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- #pragma warning(push)
- #pragma warning(disable:4800)
- #pragma warning(disable:4244)
- #pragma warning(disable:4141)
- #pragma warning(disable:4624)
- #pragma warning(disable:4146)
- #pragma warning(disable:4267)
- #pragma warning(disable:4291)
- #include "BfExprEvaluator.h"
- #include "BfConstResolver.h"
- #include "BfAutoComplete.h"
- #include "BeefySysLib/util/PerfTimer.h"
- #include "BeefySysLib/util/BeefPerf.h"
- #include "BfParser.h"
- #include "BfMangler.h"
- #include "BfDemangler.h"
- #include "BfResolvePass.h"
- #include "BfUtil.h"
- #include "BfDeferEvalChecker.h"
- #include "BfVarDeclChecker.h"
- #include "BfFixits.h"
- #include "CeMachine.h"
- #include "BfDefBuilder.h"
- #include "CeMachine.h"
- #include "CeDebugger.h"
- #pragma warning(pop)
- #pragma warning(disable:4996)
- #include "BeefySysLib/util/AllocDebug.h"
- USING_NS_BF;
- using namespace llvm;
- //////////////////////////////////////////////////////////////////////////
- DeferredTupleAssignData::~DeferredTupleAssignData()
- {
- for (auto entry : mChildren)
- {
- delete entry.mExprEvaluator;
- delete entry.mInnerTuple;
- }
- }
- //////////////////////////////////////////////////////////////////////////
- BfBaseClassWalker::BfBaseClassWalker(BfType* typeA, BfType* typeB, BfModule* module, bool allowInterfaces)
- {
- mMayBeFromInterface = false;
- if (typeB == typeA)
- typeB = NULL;
- if ((typeA != NULL) &&
- ((!typeA->IsInterface()) || (allowInterfaces)))
- mTypes[0] = typeA->ToTypeInstance();
- else
- mTypes[0] = NULL;
- if ((typeB != NULL) &&
- ((!typeB->IsInterface()) || (allowInterfaces)))
- mTypes[1] = typeB->ToTypeInstance();
- else
- mTypes[1] = NULL;
- if ((typeA != NULL) && (typeA->IsGenericParam()))
- {
- mMayBeFromInterface = true;
- AddConstraints(typeA, module->GetGenericParamInstance((BfGenericParamType*)typeA));
- }
- if ((typeA != NULL) && (typeA->IsInterface()))
- {
- AddInterfaces(typeA, typeA->ToTypeInstance());
- }
- if ((typeB != NULL) && (typeB->IsGenericParam()))
- {
- mMayBeFromInterface = true;
- AddConstraints(typeB, module->GetGenericParamInstance((BfGenericParamType*)typeB));
- }
- if ((typeB != NULL) && (typeB->IsInterface()))
- {
- AddInterfaces(typeB, typeB->ToTypeInstance());
- }
- }
- /*BfBaseClassWalker::BfBaseClassWalker(BfTypeInstance* typeA, BfTypeInstance* typeB)
- {
- mTypes[0] = typeA;
- mTypes[1] = typeB;
- }*/
- BfBaseClassWalker::BfBaseClassWalker()
- {
- mMayBeFromInterface = false;
- mTypes[0] = NULL;
- mTypes[1] = NULL;
- }
- void BfBaseClassWalker::AddConstraints(BfType* srcType, BfGenericParamInstance* genericParam)
- {
- if (genericParam->mTypeConstraint != NULL)
- {
- auto typeInst = genericParam->mTypeConstraint->ToTypeInstance();
- if (typeInst != NULL)
- {
- if (typeInst->IsInterface())
- AddInterfaces(srcType, typeInst->ToTypeInstance());
- Entry entry(srcType, typeInst);
- if (!mManualList.Contains(entry))
- mManualList.Add(entry);
- }
- }
- for (auto typeInst : genericParam->mInterfaceConstraints)
- {
- if (typeInst != NULL)
- {
- if (typeInst->IsInterface())
- AddInterfaces(srcType, typeInst->ToTypeInstance());
- Entry entry(srcType, typeInst);
- if (!mManualList.Contains(entry))
- mManualList.Add(entry);
- }
- }
- }
- void BfBaseClassWalker::AddInterfaces(BfType* srcType, BfTypeInstance* typeInst)
- {
- for (auto ifaceEntry : typeInst->mInterfaces)
- {
- Entry entry(srcType, ifaceEntry.mInterfaceType);
- if ((typeInst != NULL) && (!mManualList.Contains(entry)))
- mManualList.Add(entry);
- }
- }
- BfBaseClassWalker::Entry BfBaseClassWalker::Next()
- {
- if (!mManualList.IsEmpty())
- {
- auto entry = mManualList.back();
- mManualList.pop_back();
- return entry;
- }
- // Check the most specific type instance first (highest inheritance level)
- auto checkInstance = mTypes[0];
- if (mTypes[0] == NULL)
- checkInstance = mTypes[1];
- else if ((mTypes[1] != NULL) && (mTypes[1]->mInheritDepth > mTypes[0]->mInheritDepth))
- checkInstance = mTypes[1];
- if (checkInstance == NULL)
- return Entry();
- // Do it this was so if we reach the same base class for both types that we only handle each base type once
- if (checkInstance == mTypes[0])
- mTypes[0] = checkInstance->mBaseType;
- if (checkInstance == mTypes[1])
- mTypes[1] = checkInstance->mBaseType;
- Entry entry;
- entry.mSrcType = checkInstance;
- entry.mTypeInstance = checkInstance;
- return entry;
- }
- //////////////////////////////////////////////////////////////////////////
- BfMethodMatcher::BfMethodMatcher(BfAstNode* targetSrc, BfModule* module, const StringImpl& methodName, SizedArrayImpl<BfResolvedArg>& arguments, const BfMethodGenericArguments& methodGenericArguments) :
- mArguments(arguments)
- {
- mTargetSrc = targetSrc;
- mModule = module;
- mMethodName = methodName;
- Init(/*arguments, */methodGenericArguments);
- }
- BfMethodMatcher::BfMethodMatcher(BfAstNode* targetSrc, BfModule* module, BfMethodInstance* interfaceMethodInstance, SizedArrayImpl<BfResolvedArg>& arguments, const BfMethodGenericArguments& methodGenericArguments) :
- mArguments(arguments)
- {
- mTargetSrc = targetSrc;
- mModule = module;
- Init(/*arguments, */methodGenericArguments);
- mInterfaceMethodInstance = interfaceMethodInstance;
- mMethodName = mInterfaceMethodInstance->mMethodDef->mName;
- }
- void BfMethodMatcher::Init(const BfMethodGenericArguments& methodGenericArguments)
- {
- //mArguments = arguments;
- mUsingLists = NULL;
- mActiveTypeDef = NULL;
- mBestMethodDef = NULL;
- mBackupMethodDef = NULL;
- mBackupMatchKind = BackupMatchKind_None;
- mBestRawMethodInstance = NULL;
- mBestMethodTypeInstance = NULL;
- mExplicitInterfaceCheck = NULL;
- mSelfType = NULL;
- mMethodType = BfMethodType_Normal;
- mCheckReturnType = NULL;
- mHasArgNames = false;
- mHadExplicitGenericArguments = false;
- mHadOpenGenericArguments = methodGenericArguments.mIsOpen;
- mHadPartialGenericArguments = methodGenericArguments.mIsPartial;
- mHasVarArguments = false;
- mInterfaceMethodInstance = NULL;
- mFakeConcreteTarget = false;
- mBypassVirtual = false;
- mAllowStatic = true;
- mAllowNonStatic = true;
- mSkipImplicitParams = false;
- mAllowImplicitThis = false;
- mAllowImplicitRef = false;
- mAllowImplicitWrap = false;
- mHadVarConflictingReturnType = false;
- mAutoFlushAmbiguityErrors = true;
- mMethodCheckCount = 0;
- mCheckedKind = BfCheckedKind_NotSet;
- mAllowAppendKind = BfAllowAppendKind_No;
- mMatchFailKind = MatchFailKind_None;
- mBfEvalExprFlags = BfEvalExprFlags_None;
- for (auto& arg : mArguments)
- {
- auto bfType = arg.mTypedValue.mType;
- if (bfType != NULL)
- {
- mHasVarArguments |= bfType->IsVar();
- if (bfType->IsGenericParam())
- {
- BfType* typeConstraint = NULL;
- BfGenericParamFlags flags = BfGenericParamFlag_None;
- mModule->GetMergedGenericParamData(bfType, flags, typeConstraint);
- if ((flags & BfGenericParamFlag_Var) != 0)
- mHasVarArguments = true;
- }
- }
- if (arg.mNameNode != NULL)
- mHasArgNames = true;
- }
- if (methodGenericArguments.mArguments != NULL)
- {
- for (BfAstNode* genericArg : *(methodGenericArguments.mArguments))
- {
- BfType* genericArgType = NULL;
- if (BfNodeIsA<BfUninitializedExpression>(genericArg))
- {
- // Allow a null here
- BF_ASSERT(mHadPartialGenericArguments);
- }
- else
- {
- genericArgType = mModule->ResolveTypeRef(genericArg, NULL, BfPopulateType_Identity, BfResolveTypeRefFlag_AllowImplicitConstExpr);
- if ((genericArgType != NULL) && (genericArgType->IsGenericParam()))
- {
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)genericArgType);
- if ((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
- mHasVarArguments = true;
- }
- }
- mExplicitMethodGenericArguments.push_back(genericArgType);
- }
- mHadExplicitGenericArguments = true;
- }
- }
- bool BfMethodMatcher::IsMemberAccessible(BfTypeInstance* typeInst, BfTypeDef* declaringType)
- {
- if (!declaringType->mIsPartial)
- return true;
- if (mActiveTypeDef == NULL)
- mActiveTypeDef = mModule->GetActiveTypeDef();
- // Note that mActiveTypeDef does not pose a constraint here
- if (!typeInst->IsTypeMemberIncluded(declaringType, mActiveTypeDef, mModule))
- return false;
- auto visibleProjectSet = mModule->GetVisibleProjectSet();
- if ((visibleProjectSet != NULL) && (!typeInst->IsTypeMemberAccessible(declaringType, visibleProjectSet)))
- {
- return false;
- }
- return true;
- }
- bool BfGenericInferContext::AddToCheckedSet(BfType* argType, BfType* wantType)
- {
- int64 idPair = ((int64)argType->mTypeId << 32) | (wantType->mTypeId);
- return mCheckedTypeSet.Add(idPair);
- }
- bool BfGenericInferContext::InferGenericArgument(BfMethodInstance* methodInstance, BfType* argType, BfType* wantType, BfIRValue argValue, bool checkCheckedSet)
- {
- if (argType == NULL)
- return false;
- if (!wantType->IsUnspecializedType())
- return true;
- if (checkCheckedSet)
- {
- if (!AddToCheckedSet(argType, wantType))
- return true;
- }
- if (wantType->IsGenericParam())
- {
- auto wantGenericParam = (BfGenericParamType*)wantType;
- BfType* methodGenericTypeConstraint = NULL;
- auto _SetGeneric = [&]()
- {
- if (argType != NULL)
- {
- // Disallow illegal types
- if (argType->IsRef())
- return;
- if (argType->IsNull())
- return;
- }
- if ((*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx] != argType)
- {
- if (methodGenericTypeConstraint != NULL)
- {
- if (methodGenericTypeConstraint->IsGenericTypeInstance())
- {
- auto wantGenericType = (BfTypeInstance*)methodGenericTypeConstraint;
- auto checkArgType = argType;
- while (checkArgType != NULL)
- {
- if (checkArgType->IsGenericTypeInstance())
- {
- auto argGenericType = (BfTypeInstance*)checkArgType;
- if (argGenericType->mTypeDef->GetLatest() == wantGenericType->mTypeDef->GetLatest())
- {
- for (int genericArgIdx = 0; genericArgIdx < (int)argGenericType->mGenericTypeInfo->mTypeGenericArguments.size(); genericArgIdx++)
- InferGenericArgument(methodInstance, argGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx], wantGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx], BfIRValue(), true);
- }
- }
- else if (checkArgType->IsSizedArray())
- {
- auto sizedArrayType = (BfSizedArrayType*)checkArgType;
- if (wantGenericType->IsInstanceOf(mModule->mCompiler->mSizedArrayTypeDef))
- {
- InferGenericArgument(methodInstance, sizedArrayType->mElementType, wantGenericType->mGenericTypeInfo->mTypeGenericArguments[0], BfIRValue());
- auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- BfTypedValue arraySize = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, (uint64)sizedArrayType->mElementCount), intType);
- InferGenericArgument(methodInstance, mModule->CreateConstExprValueType(arraySize), wantGenericType->mGenericTypeInfo->mTypeGenericArguments[1], BfIRValue(), true);
- }
- }
- else if (checkArgType->IsPointer())
- {
- auto pointerType = (BfPointerType*)checkArgType;
- if (wantGenericType->IsInstanceOf(mModule->mCompiler->mPointerTTypeDef))
- {
- InferGenericArgument(methodInstance, pointerType->mElementType, wantGenericType->mGenericTypeInfo->mTypeGenericArguments[0], BfIRValue(), true);
- }
- }
- auto checkTypeInst = checkArgType->ToTypeInstance();
- if ((checkTypeInst == NULL) || (!checkTypeInst->mHasParameterizedBase))
- break;
- checkArgType = checkTypeInst->mBaseType;
- }
- }
- }
- }
- if ((*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx] == NULL)
- mInferredCount++;
- (*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx] = argType;
- if (!mPrevArgValues.IsEmpty())
- mPrevArgValues[wantGenericParam->mGenericParamIdx] = argValue;
- };
- if (argType->IsVar())
- {
- _SetGeneric();
- return true;
- }
- if (wantGenericParam->mGenericParamKind == BfGenericParamKind_Method)
- {
- auto genericParamInst = methodInstance->mMethodInfoEx->mGenericParams[wantGenericParam->mGenericParamIdx];
- methodGenericTypeConstraint = genericParamInst->mTypeConstraint;
- if ((genericParamInst->mGenericParamFlags & BfGenericParamFlag_Const) != 0)
- {
- if (argValue.IsConst())
- {
- argType = mModule->CreateConstExprValueType(BfTypedValue(argValue, argType));
- }
- else if (!argType->IsConstExprValue())
- {
- return false;
- }
- }
- if (argType == mModule->mContext->mBfObjectType)
- {
- if ((genericParamInst->mTypeConstraint != NULL) && (genericParamInst->mTypeConstraint->IsDelegate()))
- {
- argType = mModule->ResolveGenericType(genericParamInst->mTypeConstraint, NULL, mCheckMethodGenericArguments, mModule->mCurTypeInstance);
- if (argType == NULL)
- return true;
- }
- }
- if (mPrevArgValues.IsEmpty())
- {
- _SetGeneric();
- return true;
- }
- auto prevGenericMethodArg = (*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx];
- auto prevArgValue = mPrevArgValues[wantGenericParam->mGenericParamIdx];
- if (prevGenericMethodArg == NULL)
- {
- _SetGeneric();
- return true;
- }
- if ((prevGenericMethodArg->IsIntUnknown()) && (!argType->IsIntUnknown()))
- {
- // Old int fits into new argType, that's good
- if (mModule->CanCast(BfTypedValue(prevArgValue, prevGenericMethodArg), argType))
- {
- _SetGeneric();
- return true;
- }
- // Doesn't fit, upgrade type to 'int'
- argType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- if (mModule->CanCast(BfTypedValue(prevArgValue, prevGenericMethodArg), argType))
- {
- _SetGeneric();
- return true;
- }
- }
- if (argType->IsIntUnknown())
- {
- // New int fits into previous arg type, that's good
- if (mModule->CanCast(BfTypedValue(argValue, argType), prevGenericMethodArg))
- return true;
- // Doesn't fit, upgrade type to 'int'
- argType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- }
- else
- {
- // Prev is already best
- if (mModule->CanCast(mModule->GetFakeTypedValue(argType), prevGenericMethodArg))
- return true;
- }
- // New best?
- if (mModule->CanCast(mModule->GetFakeTypedValue(prevGenericMethodArg), argType))
- {
- _SetGeneric();
- return true;
- }
- // No implicit conversion, FAIL!
- (*mCheckMethodGenericArguments)[wantGenericParam->mGenericParamIdx] = NULL;
- return false;
- }
- return true;
- }
- if (wantType->IsTuple())
- {
- if (argType->IsTuple())
- {
- auto wantTupleType = (BfTupleType*)wantType;
- auto argTupleType = (BfTupleType*)argType;
- if (wantTupleType->mFieldInstances.size() == argTupleType->mFieldInstances.size())
- {
- for (int fieldIdx = 0; fieldIdx < (int)wantTupleType->mFieldInstances.size(); fieldIdx++)
- {
- InferGenericArgument(methodInstance, argTupleType->mFieldInstances[fieldIdx].mResolvedType,
- wantTupleType->mFieldInstances[fieldIdx].mResolvedType, BfIRValue());
- }
- }
- }
- }
- if ((wantType->IsGenericTypeInstance()) && (wantType->IsUnspecializedTypeVariation()))
- {
- auto wantGenericType = (BfTypeInstance*)wantType;
- if (argType->IsGenericParam())
- {
- auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)argType);
- if ((genericParam->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
- {
- InferGenericArgument(methodInstance, mModule->GetPrimitiveType(BfTypeCode_Var), wantType, BfIRValue());
- return true;
- }
- if ((genericParam->mTypeConstraint != NULL) && (genericParam->mTypeConstraint->IsGenericTypeInstance()))
- InferGenericArgument(methodInstance, genericParam->mTypeConstraint, wantType, BfIRValue());
- }
- if (argType->IsVar())
- {
- for (int genericArgIdx = 0; genericArgIdx < (int)wantGenericType->mGenericTypeInfo->mTypeGenericArguments.size(); genericArgIdx++)
- {
- BfType* wantGenericArgument = wantGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx];
- if (!wantGenericArgument->IsUnspecializedType())
- continue;
- InferGenericArgument(methodInstance, mModule->GetPrimitiveType(BfTypeCode_Var), wantGenericArgument, BfIRValue());
- }
- return true;
- }
- auto typeInstance = argType->ToTypeInstance();
- if (typeInstance == NULL)
- return true;
- if (wantGenericType->IsInterface())
- {
- for (auto& ifaceEntry : typeInstance->mInterfaces)
- InferGenericArgument(methodInstance, ifaceEntry.mInterfaceType, wantType, BfIRValue());
- }
- else if (typeInstance->mBaseType != NULL)
- InferGenericArgument(methodInstance, typeInstance->mBaseType, wantType, BfIRValue());
- if (!argType->IsGenericTypeInstance())
- return true;
- auto argGenericType = (BfTypeInstance*)argType;
- if (argGenericType->mTypeDef->GetDefinition() != wantGenericType->mTypeDef->GetDefinition())
- return true;
- for (int genericArgIdx = 0; genericArgIdx < (int)argGenericType->mGenericTypeInfo->mTypeGenericArguments.size(); genericArgIdx++)
- {
- BfType* wantGenericArgument = wantGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx];
- if (!wantGenericArgument->IsUnspecializedType())
- continue;
- InferGenericArgument(methodInstance, argGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx], wantGenericArgument, BfIRValue(), true);
- }
- return true;
- }
- if (wantType->IsRef())
- {
- auto wantRefType = (BfRefType*)wantType;
- if (!argType->IsRef())
- {
- // Match to non-ref
- InferGenericArgument(methodInstance, argType, wantRefType->mElementType, BfIRValue());
- return true;
- }
- auto argRefType = (BfRefType*)argType;
- //TODO: We removed this check so we still infer even if we have the wrong ref kind
- //if (wantRefType->mRefKind != argRefType->mRefKind)
- //return true;
- return InferGenericArgument(methodInstance, argRefType->mElementType, wantRefType->mElementType, BfIRValue());
- }
- if (wantType->IsPointer())
- {
- if (!argType->IsPointer())
- return true;
- auto wantPointerType = (BfPointerType*) wantType;
- auto argPointerType = (BfPointerType*) argType;
- return InferGenericArgument(methodInstance, argPointerType->mElementType, wantPointerType->mElementType, BfIRValue());
- }
- if (wantType->IsUnknownSizedArrayType())
- {
- auto wantArrayType = (BfUnknownSizedArrayType*)wantType;
- if (argType->IsUnknownSizedArrayType())
- {
- auto argArrayType = (BfUnknownSizedArrayType*)argType;
- InferGenericArgument(methodInstance, argArrayType->mElementCountSource, wantArrayType->mElementCountSource, BfIRValue());
- }
- else if (argType->IsSizedArray())
- {
- auto argArrayType = (BfSizedArrayType*)argType;
- BfTypedValue sizeValue(mModule->GetConstValue(argArrayType->mElementCount), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- auto sizedType = mModule->CreateConstExprValueType(sizeValue);
- InferGenericArgument(methodInstance, sizedType, wantArrayType->mElementCountSource, BfIRValue());
- }
- }
- if (wantType->IsSizedArray())
- {
- if (argType->IsSizedArray())
- {
- auto wantArrayType = (BfSizedArrayType*)wantType;
- auto argArrayType = (BfSizedArrayType*)argType;
- InferGenericArgument(methodInstance, argArrayType->mElementType, wantArrayType->mElementType, BfIRValue());
- }
- }
- if ((wantType->IsDelegate()) || (wantType->IsFunction()))
- {
- if (((argType->IsDelegate()) || (argType->IsFunction())) &&
- (wantType->IsDelegate() == argType->IsDelegate()))
- {
- if (!AddToCheckedSet(argType, wantType))
- return true;
- auto argInvokeMethod = mModule->GetRawMethodByName(argType->ToTypeInstance(), "Invoke");
- auto wantInvokeMethod = mModule->GetRawMethodByName(wantType->ToTypeInstance(), "Invoke");
- if ((argInvokeMethod != NULL) && (wantInvokeMethod != NULL) && (argInvokeMethod->GetParamCount() == wantInvokeMethod->GetParamCount()))
- {
- InferGenericArgument(methodInstance, argInvokeMethod->mReturnType, wantInvokeMethod->mReturnType, BfIRValue());
- for (int argIdx = 0; argIdx < (int)argInvokeMethod->GetParamCount(); argIdx++)
- InferGenericArgument(methodInstance, argInvokeMethod->GetParamType(argIdx), wantInvokeMethod->GetParamType(argIdx), BfIRValue());
- }
- }
- else if (argType->IsMethodRef())
- {
- auto methodTypeRef = (BfMethodRefType*)argType;
- if (!AddToCheckedSet(argType, wantType))
- return true;
- auto argInvokeMethod = methodTypeRef->mMethodRef;
- auto delegateInfo = wantType->GetDelegateInfo();
- auto wantInvokeMethod = mModule->GetRawMethodByName(wantType->ToTypeInstance(), "Invoke");
- if ((delegateInfo->mHasExplicitThis) && (argInvokeMethod->HasThis()))
- InferGenericArgument(methodInstance, argInvokeMethod->GetParamType(-1), delegateInfo->mParams[0], BfIRValue());
- int wantInvokeOffset = delegateInfo->mHasExplicitThis ? 1 : 0;
- if ((argInvokeMethod != NULL) && (wantInvokeMethod != NULL) && (argInvokeMethod->GetParamCount() == wantInvokeMethod->GetParamCount() - wantInvokeOffset))
- {
- InferGenericArgument(methodInstance, argInvokeMethod->mReturnType, wantInvokeMethod->mReturnType, BfIRValue());
- for (int argIdx = 0; argIdx < (int)argInvokeMethod->GetParamCount(); argIdx++)
- InferGenericArgument(methodInstance, argInvokeMethod->GetParamType(argIdx), wantInvokeMethod->GetParamType(argIdx + wantInvokeOffset), BfIRValue());
- }
- }
- }
- return true;
- }
- bool BfGenericInferContext::InferGenericArguments(BfMethodInstance* methodInstance, int srcGenericIdx)
- {
- auto& srcGenericArg = (*mCheckMethodGenericArguments)[srcGenericIdx];
- if (srcGenericArg == NULL)
- return false;
- int startInferCount = mInferredCount;
- auto srcGenericParam = methodInstance->mMethodInfoEx->mGenericParams[srcGenericIdx];
- for (auto ifaceConstraint : srcGenericParam->mInterfaceConstraints)
- {
- if ((ifaceConstraint->IsUnspecializedTypeVariation()) && (ifaceConstraint->IsGenericTypeInstance()))
- {
- InferGenericArgument(methodInstance, srcGenericArg, ifaceConstraint, BfIRValue());
- auto typeInstance = srcGenericArg->ToTypeInstance();
- if ((typeInstance == NULL) && (srcGenericArg->IsWrappableType()))
- typeInstance = mModule->GetWrappedStructType(srcGenericArg);
- if (typeInstance != NULL)
- {
- for (auto ifaceEntry : typeInstance->mInterfaces)
- InferGenericArgument(methodInstance, ifaceEntry.mInterfaceType, ifaceConstraint, BfIRValue());
- }
- if (srcGenericArg->IsGenericParam())
- {
- auto genericParamType = (BfGenericParamType*)srcGenericArg;
- BfGenericParamInstance* genericParam = NULL;
- if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
- genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamType->mGenericParamIdx];
- else
- genericParam = mModule->GetGenericParamInstance(genericParamType);
- if (genericParam->mTypeConstraint != NULL)
- InferGenericArgument(methodInstance, genericParam->mTypeConstraint, ifaceConstraint, BfIRValue());
- for (auto argIfaceConstraint : genericParam->mInterfaceConstraints)
- InferGenericArgument(methodInstance, argIfaceConstraint, ifaceConstraint, BfIRValue());
- }
- }
- }
- return mInferredCount != startInferCount;
- }
- void BfGenericInferContext::InferGenericArguments(BfMethodInstance* methodInstance)
- {
- // Attempt to infer from other generic args
- for (int srcGenericIdx = 0; srcGenericIdx < (int)mCheckMethodGenericArguments->size(); srcGenericIdx++)
- {
- InferGenericArguments(methodInstance, srcGenericIdx);
- }
- }
- int BfMethodMatcher::GetMostSpecificType(BfType* lhs, BfType* rhs)
- {
- if ((lhs->IsRef()) && (rhs->IsRef()))
- return GetMostSpecificType(lhs->GetUnderlyingType(), rhs->GetUnderlyingType());
- if ((lhs->IsPointer()) && (rhs->IsPointer()))
- return GetMostSpecificType(lhs->GetUnderlyingType(), rhs->GetUnderlyingType());
- if ((lhs->IsSizedArray()) && (rhs->IsSizedArray()))
- return GetMostSpecificType(lhs->GetUnderlyingType(), rhs->GetUnderlyingType());
- if (lhs->IsGenericParam())
- return rhs->IsGenericParam() ? -1 : 1;
- if (rhs->IsGenericParam())
- return 0;
- if ((lhs->IsUnspecializedType()) && (lhs->IsGenericTypeInstance()))
- {
- if ((!rhs->IsUnspecializedType()) || (!rhs->IsGenericTypeInstance()))
- return 1;
- auto lhsTypeInst = lhs->ToTypeInstance();
- auto rhsTypeInst = rhs->ToTypeInstance();
- if ((rhsTypeInst == NULL) || (lhsTypeInst == NULL) || (lhsTypeInst->mTypeDef != rhsTypeInst->mTypeDef))
- return -1;
- bool hadLHSMoreSpecific = false;
- bool hadRHSMoreSpecific = false;
- for (int generigArgIdx = 0; generigArgIdx < (int)lhsTypeInst->mGenericTypeInfo->mTypeGenericArguments.size(); generigArgIdx++)
- {
- int argMoreSpecific = GetMostSpecificType(lhsTypeInst->mGenericTypeInfo->mTypeGenericArguments[generigArgIdx],
- rhsTypeInst->mGenericTypeInfo->mTypeGenericArguments[generigArgIdx]);
- if (argMoreSpecific == 0)
- hadLHSMoreSpecific = true;
- else if (argMoreSpecific == 1)
- hadRHSMoreSpecific = true;
- }
- if ((hadLHSMoreSpecific) && (!hadRHSMoreSpecific))
- return 0;
- if ((hadRHSMoreSpecific) && (!hadLHSMoreSpecific))
- return 1;
- return -1;
- }
- if (rhs->IsUnspecializedType())
- return 0;
- return -1;
- }
- void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTypeVector* prevGenericArgumentsSubstitute,
- BfMethodInstance* newMethodInstance, BfTypeVector* genericArgumentsSubstitute,
- bool* outNewIsBetter, bool* outNewIsWorse, bool allowSpecializeFail)
- {
- if (prevMethodInstance == newMethodInstance)
- {
- *outNewIsBetter = false;
- *outNewIsWorse = true;
- return;
- }
- #define SET_BETTER_OR_WORSE(lhs, rhs) \
- if ((!isBetter) && (lhs) && !(rhs)) isBetter = true; \
- if ((!isWorse) && !(lhs) && (rhs)) isWorse = true;
- #define RETURN_BETTER_OR_WORSE(lhs, rhs) \
- if ((!isBetter) && (lhs) && !(rhs)) { *outNewIsBetter = true; *outNewIsWorse = false; return; } \
- if ((!isWorse) && !(lhs) && (rhs)) { *outNewIsBetter = false; *outNewIsWorse = true; return; };
- #define RETURN_RESULTS \
- *outNewIsBetter = isBetter; \
- *outNewIsWorse = isWorse; \
- return;
- int numUsedParams = 0;
- int prevNumUsedParams = 0;
- bool usedExtendedForm = false;
- bool prevUsedExtendedForm = false;
- bool isBetter = false;
- bool isWorse = false;
- int argIdx;
- BfMethodDef* prevMethodDef = prevMethodInstance->mMethodDef;
- BfMethodDef* newMethodDef = newMethodInstance->mMethodDef;
- if (prevMethodDef == mBackupMethodDef)
- {
- // This can happen for extension methods and such
- *outNewIsBetter = true;
- *outNewIsWorse = false;
- return;
- }
- if (newMethodDef->mExplicitInterface != prevMethodDef->mExplicitInterface)
- {
- if (mModule->CompareMethodSignatures(newMethodInstance, prevMethodInstance))
- {
- SET_BETTER_OR_WORSE(newMethodDef->mExplicitInterface != NULL, prevMethodDef->mExplicitInterface != NULL);
- *outNewIsBetter = isBetter;
- *outNewIsWorse = isWorse;
- return;
- }
- }
- bool anyIsExtension = false;
- int newImplicitParamCount = newMethodInstance->GetImplicitParamCount();
- if (newMethodInstance->mMethodDef->HasAppend())
- newImplicitParamCount++;
- if (newMethodInstance->mMethodDef->mMethodType == BfMethodType_Extension)
- {
- newImplicitParamCount++;
- anyIsExtension = true;
- }
- int prevImplicitParamCount = prevMethodInstance->GetImplicitParamCount();
- if (prevMethodInstance->mMethodDef->HasAppend())
- prevImplicitParamCount++;
- if (prevMethodInstance->mMethodDef->mMethodType == BfMethodType_Extension)
- {
- prevImplicitParamCount++;
- anyIsExtension = true;
- }
- BfCastFlags implicitCastFlags = ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? BfCastFlags_NoConversionOperator : BfCastFlags_None;
- int newMethodParamCount = newMethodInstance->GetParamCount();
- int prevMethodParamCount = prevMethodInstance->GetParamCount();
- bool hadEnoughArgs = newMethodParamCount - newImplicitParamCount < (int)mArguments.size();
- bool prevHadEnoughArgs = prevMethodParamCount - prevImplicitParamCount < (int)mArguments.size();
- RETURN_BETTER_OR_WORSE(hadEnoughArgs, prevHadEnoughArgs);
- bool chainSkip = (newMethodInstance->mChainType == BfMethodChainType_ChainMember) || (newMethodInstance->mChainType == BfMethodChainType_ChainSkip);
- bool prevChainSkip = (prevMethodInstance->mChainType == BfMethodChainType_ChainMember) || (prevMethodInstance->mChainType == BfMethodChainType_ChainSkip);
- RETURN_BETTER_OR_WORSE(!chainSkip, !prevChainSkip);
- if ((!isBetter) && (!isWorse))
- {
- bool betterByGenericParam = false;
- bool worseByGenericParam = false;
- bool betterByConstExprParam = false;
- bool worseByConstExprParam = false;
- bool someArgWasBetter = false;
- bool someArgWasWorse = false;
- for (argIdx = anyIsExtension ? -1 : 0; argIdx < (int)mArguments.size(); argIdx++)
- {
- BfTypedValue arg;
- BfResolvedArg* resolvedArg = NULL;
- bool wasArgDeferred = false;
- if (argIdx == -1)
- {
- arg = mTarget;
- }
- else
- {
- resolvedArg = &mArguments[argIdx];
- wasArgDeferred = resolvedArg->mArgFlags != 0;
- arg = resolvedArg->mTypedValue;
- }
- int newArgIdx = argIdx + newImplicitParamCount;
- int prevArgIdx = argIdx + prevImplicitParamCount;
- if (newArgIdx >= newMethodParamCount)
- break;
- if (prevArgIdx >= prevMethodParamCount)
- break;
- bool wasGenericParam = (newArgIdx >= 0) && newMethodInstance->WasGenericParam(newArgIdx);
- bool prevWasGenericParam = (prevArgIdx >= 0) && prevMethodInstance->WasGenericParam(prevArgIdx);
- BfType* paramType = newMethodInstance->GetParamType(newArgIdx, true);
- BfType* prevParamType = prevMethodInstance->GetParamType(prevArgIdx, true);
- numUsedParams++;
- prevNumUsedParams++;
- BfType* origParamType = paramType;
- BfType* origPrevParamType = prevParamType;
- bool paramWasConstExpr = false;
- bool prevParamWasConstExpr = false;
- bool paramWasUnspecialized = paramType->IsUnspecializedType();
- if ((genericArgumentsSubstitute != NULL) && (paramWasUnspecialized))
- {
- paramType = mModule->ResolveGenericType(paramType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance, allowSpecializeFail);
- paramType = mModule->FixIntUnknown(paramType);
- }
- if ((paramType != NULL) && (paramType->IsConstExprValue()))
- {
- paramWasConstExpr = true;
- paramType = ((BfConstExprValueType*)paramType)->mType;
- }
- bool prevParamWasUnspecialized = prevParamType->IsUnspecializedType();
- if ((prevGenericArgumentsSubstitute != NULL) && (prevParamWasUnspecialized))
- {
- prevParamType = mModule->ResolveGenericType(prevParamType, NULL, prevGenericArgumentsSubstitute, mModule->mCurTypeInstance, allowSpecializeFail);
- prevParamType = mModule->FixIntUnknown(prevParamType);
- }
- if ((prevParamType != NULL) && (prevParamType->IsConstExprValue()))
- {
- prevParamWasConstExpr = true;
- prevParamType = ((BfConstExprValueType*)prevParamType)->mType;
- }
- bool paramsEquivalent = paramType == prevParamType;
- if ((prevParamType == NULL) || (paramType == NULL))
- {
- SET_BETTER_OR_WORSE(paramType != NULL, prevParamType != NULL);
- }
- else if (paramType != prevParamType)
- {
- bool isUnspecializedParam = paramType->IsUnspecializedType();
- bool isPrevUnspecializedParam = prevParamType->IsUnspecializedType();
- SET_BETTER_OR_WORSE((!isUnspecializedParam) && (!paramType->IsVar()),
- (!isPrevUnspecializedParam) && (!prevParamType->IsVar()));
- if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
- {
- // Pick the one that can implicitly cast
- SET_BETTER_OR_WORSE(
- mModule->CanCast(arg, paramType, implicitCastFlags),
- mModule->CanCast(arg, prevParamType, implicitCastFlags));
- }
- // Why did we have this !isUnspecializedParam check? We need the 'canCast' logic still
- if ((!isBetter) && (!isWorse) /*&& (!isUnspecializedParam) && (!isPrevUnspecializedParam)*/)
- {
- SET_BETTER_OR_WORSE((paramType != NULL) && (!paramType->IsUnspecializedType()),
- (prevParamType != NULL) && (!prevParamType->IsUnspecializedType()));
- if ((!isBetter) && (!isWorse))
- {
- // The resolved argument type may actually match for both considered functions. IE:
- // Method(int8 val) and Method(int16 val) called with Method(0) will create arguments that match their param types
- if ((!wasArgDeferred) && (!wasGenericParam) && (IsType(arg, paramType)) && ((resolvedArg == NULL) || (prevParamType != resolvedArg->mBestBoundType)))
- isBetter = true;
- //else if ((!prevWasGenericParam) && (IsType(arg, prevParamType)) && (!IsType(arg, paramType)))
- else if ((!wasArgDeferred) && (!prevWasGenericParam) && (IsType(arg, prevParamType)) && ((resolvedArg == NULL) || (paramType != resolvedArg->mBestBoundType)))
- isWorse = true;
- else
- {
- bool canCastFromCurToPrev = mModule->CanCast(mModule->GetFakeTypedValue(paramType), prevParamType, implicitCastFlags);
- bool canCastFromPrevToCur = mModule->CanCast(mModule->GetFakeTypedValue(prevParamType), paramType, implicitCastFlags);
- if ((canCastFromCurToPrev) && (canCastFromPrevToCur))
- paramsEquivalent = true;
- if ((canCastFromCurToPrev) && (!canCastFromPrevToCur))
- isBetter = true;
- else if ((canCastFromPrevToCur) && (!canCastFromCurToPrev))
- isWorse = true;
- else if ((paramType->IsIntegral()) && (prevParamType->IsIntegral()))
- {
- if (paramType == arg.mType)
- isBetter = true;
- else if (prevParamType == arg.mType)
- isWorse = true;
- else
- {
- if (paramType->mSize < prevParamType->mSize)
- isBetter = true;
- else if (paramType->mSize > prevParamType->mSize)
- isWorse = true;
- else if (paramType->IsSigned())
- isBetter = true;
- else
- isWorse = true;
- }
- }
- else if ((wasArgDeferred) && ((paramType->IsIntegral()) || (prevParamType->IsIntegral())))
- {
- SET_BETTER_OR_WORSE(paramType->IsIntegral(), prevParamType->IsIntegral());
- }
- }
- }
- }
- }
- if ((!isBetter) && (!isWorse) && (paramsEquivalent))
- {
- if ((origParamType != origPrevParamType) && (paramWasConstExpr) && (!prevParamWasConstExpr))
- betterByConstExprParam = true;
- else if ((origParamType != origPrevParamType) && (!paramWasConstExpr) && (prevParamWasConstExpr))
- worseByConstExprParam = true;
- else if (((paramWasUnspecialized) || (prevParamWasUnspecialized)))
- {
- int origTypeMoreSpecific = GetMostSpecificType(origParamType, origPrevParamType);
- if (origTypeMoreSpecific == 0)
- betterByGenericParam = true;
- else if (origTypeMoreSpecific == 1)
- worseByGenericParam = true;
- }
- }
- if ((!isBetter) && (!isWorse) && (paramType->IsRef()) && (prevParamType->IsRef()))
- {
- auto refType = (BfRefType*)paramType;
- auto prevRefType = (BfRefType*)prevParamType;
- // Prefer 'out' to 'ref'
- SET_BETTER_OR_WORSE(
- (refType->mRefKind == BfRefType::RefKind_Out) && (prevRefType->mRefKind == BfRefType::RefKind_Ref),
- (refType->mRefKind == BfRefType::RefKind_Ref) && (prevRefType->mRefKind == BfRefType::RefKind_Out));
- }
- if ((newArgIdx >= 0) && (newMethodInstance->GetParamKind(newArgIdx) == BfParamKind_Params))
- usedExtendedForm = true;
- if ((prevArgIdx >= 0) && (prevMethodInstance->GetParamKind(prevArgIdx) == BfParamKind_Params))
- prevUsedExtendedForm = true;
- if ((usedExtendedForm) || (prevUsedExtendedForm))
- break;
- someArgWasBetter |= isBetter;
- someArgWasWorse |= isWorse;
- isBetter = false;
- isWorse = false;
- }
- isBetter |= someArgWasBetter;
- isWorse |= someArgWasWorse;
- if ((!isBetter) && (!isWorse))
- {
- // Don't allow ambiguity
- if ((betterByGenericParam && !worseByGenericParam) ||
- (!betterByGenericParam && worseByGenericParam))
- {
- isBetter = betterByGenericParam;
- isWorse = worseByGenericParam;
- }
- }
- if ((!isBetter) && (!isWorse))
- {
- // Don't allow ambiguity
- if ((betterByConstExprParam && !worseByConstExprParam) ||
- (!betterByConstExprParam && worseByConstExprParam))
- {
- isBetter = betterByConstExprParam;
- isWorse = worseByConstExprParam;
- }
- }
- if ((isBetter) || (isWorse))
- {
- RETURN_RESULTS;
- }
- }
- // Choose by return type for conversion operators
- if (((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) && (!isBetter) && (!isWorse))
- {
- auto returnType = newMethodInstance->mReturnType;
- auto prevReturnType = prevMethodInstance->mReturnType;
- if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
- {
- // Pick the one that can implicitly cast
- SET_BETTER_OR_WORSE(
- mModule->CanCast(mModule->GetFakeTypedValue(returnType), mCheckReturnType, implicitCastFlags),
- mModule->CanCast(mModule->GetFakeTypedValue(prevReturnType), mCheckReturnType, implicitCastFlags));
- }
- if ((!isBetter) && (!isWorse))
- {
- bool canCastFromCurToPrev = mModule->CanCast(mModule->GetFakeTypedValue(returnType), prevReturnType, implicitCastFlags);
- bool canCastFromPrevToCur = mModule->CanCast(mModule->GetFakeTypedValue(prevReturnType), returnType, implicitCastFlags);
- if ((canCastFromCurToPrev) && (!canCastFromPrevToCur))
- isWorse = true;
- else if ((canCastFromPrevToCur) && (!canCastFromCurToPrev))
- isBetter = true;
- }
- if ((isBetter) || (isWorse))
- {
- RETURN_RESULTS;
- }
- }
- // Check for unused extended params as next param - that still counts as using extended form
- usedExtendedForm = newMethodInstance->HasParamsArray();
- prevUsedExtendedForm = prevMethodInstance->HasParamsArray();
- RETURN_BETTER_OR_WORSE(newMethodInstance->GetNumGenericArguments() == 0, prevMethodInstance->GetNumGenericArguments() == 0);
- // Not using generic delegate params is better
- RETURN_BETTER_OR_WORSE(!newMethodInstance->mHadGenericDelegateParams, !prevMethodInstance->mHadGenericDelegateParams);
- // Normal form trumps extended form
- RETURN_BETTER_OR_WORSE(!usedExtendedForm, !prevUsedExtendedForm);
- // More used params trumps less params
- int paramDiff = (int) numUsedParams - (int) prevNumUsedParams;
- RETURN_BETTER_OR_WORSE(paramDiff > 0, paramDiff < 0);
- // Fewer defaults trumps more defaults
- // Since we know the number of used params is the same (previous check), we infer that the rest are defaults
- paramDiff = (int) newMethodInstance->GetParamCount() - (int) prevMethodInstance->GetParamCount();
- RETURN_BETTER_OR_WORSE(paramDiff < 0, paramDiff > 0);
- BfMethodInstance* typeUnspecNewMethodInstance = mModule->GetUnspecializedMethodInstance(newMethodInstance, true);
- BfMethodInstance* typeUnspecPrevMethodInstance = mModule->GetUnspecializedMethodInstance(prevMethodInstance, true);
- // Check specificity of args
- std::function<void(BfType*, BfType*)> _CompareParamTypes = [&](BfType* newType, BfType* prevType)
- {
- if ((newType->IsGenericParam()) && (prevType->IsGenericParam()))
- {
- auto newGenericParamType = (BfGenericParamType*)newType;
- auto prevGenericParamType = (BfGenericParamType*)prevType;
- if ((newGenericParamType->mGenericParamKind == BfGenericParamKind_Method) && (prevGenericParamType->mGenericParamKind == BfGenericParamKind_Method))
- {
- auto newMethodGenericParam = typeUnspecNewMethodInstance->mMethodInfoEx->mGenericParams[newGenericParamType->mGenericParamIdx];
- auto prevMethodGenericParam = typeUnspecPrevMethodInstance->mMethodInfoEx->mGenericParams[prevGenericParamType->mGenericParamIdx];
- SET_BETTER_OR_WORSE(mModule->AreConstraintsSubset(prevMethodGenericParam, newMethodGenericParam), mModule->AreConstraintsSubset(newMethodGenericParam, prevMethodGenericParam));
- }
- }
- else if (newType == prevType)
- {
- if ((newType->IsUnspecializedType()) && (newType->IsGenericTypeInstance()))
- {
- BfTypeInstance* newGenericType = (BfTypeInstance*)newType;
- BfTypeInstance* prevGenericType = (BfTypeInstance*)prevType;
- for (int genericArgIdx = 0; genericArgIdx < (int)newGenericType->mGenericTypeInfo->mTypeGenericArguments.size(); genericArgIdx++)
- {
- _CompareParamTypes(newGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx], prevGenericType->mGenericTypeInfo->mTypeGenericArguments[genericArgIdx]);
- }
- }
- }
- else
- {
- //TODO: Why did we need this?
- //isBetter |= mModule->IsTypeMoreSpecific(newType, prevType);
- //isWorse |= mModule->IsTypeMoreSpecific(prevType, newType);
- }
- };
- int paramCheckCount = (int)BF_MIN(newMethodInstance->GetParamCount() - newImplicitParamCount, prevMethodInstance->GetParamCount() - prevImplicitParamCount);
- for (argIdx = 0; argIdx < (int)paramCheckCount/*mArguments.size()*/; argIdx++)
- {
- int newArgIdx = argIdx + newImplicitParamCount;
- int prevArgIdx = argIdx + prevImplicitParamCount;
- _CompareParamTypes(typeUnspecNewMethodInstance->GetParamType(newArgIdx), typeUnspecPrevMethodInstance->GetParamType(prevArgIdx));
- }
- // Do generic constraint subset test directly to handle cases like "NotDisposed<T>()" vs "NotDisposed<T>() where T : IDisposable"
- if ((newMethodInstance->GetNumGenericArguments() > 0) && (newMethodInstance->GetNumGenericArguments() == prevMethodInstance->GetNumGenericArguments()))
- {
- for (int genericParamIdx = 0; genericParamIdx < (int)newMethodInstance->GetNumGenericArguments(); genericParamIdx++)
- {
- auto newMethodGenericParam = newMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
- auto prevMethodGenericParam = prevMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
- SET_BETTER_OR_WORSE(mModule->AreConstraintsSubset(prevMethodGenericParam, newMethodGenericParam), mModule->AreConstraintsSubset(newMethodGenericParam, prevMethodGenericParam));
- }
- if ((!isBetter) && (!isWorse))
- {
- SET_BETTER_OR_WORSE(newMethodInstance->HasExternConstraints(), prevMethodInstance->HasExternConstraints());
- }
- }
- if ((isBetter) || (isWorse))
- {
- RETURN_RESULTS;
- }
- // For operators, prefer explicit comparison over '<=>' comparison operator
- if ((!isBetter) && (!isWorse))
- {
- if ((prevMethodDef->mIsOperator) && (newMethodDef->mIsOperator))
- {
- bool newIsComparison = ((BfOperatorDeclaration*)newMethodDef->mMethodDeclaration)->mBinOp == BfBinaryOp_Compare;
- bool prevIsComparison = ((BfOperatorDeclaration*)prevMethodDef->mMethodDeclaration)->mBinOp == BfBinaryOp_Compare;
- RETURN_BETTER_OR_WORSE(!newIsComparison, !prevIsComparison);
- }
- }
- if ((newMethodInstance->mMethodDef->mExternalConstraints.size() != 0) || (prevMethodInstance->mMethodDef->mExternalConstraints.size() != 0))
- {
- struct GenericParamPair
- {
- BfGenericMethodParamInstance* mParams[2];
- GenericParamPair()
- {
- mParams[0] = NULL;
- mParams[1] = NULL;
- }
- };
- Dictionary<BfType*, GenericParamPair> externConstraints;
- auto _GetParams = [&](int idx, BfMethodInstance* methodInstance)
- {
- for (int externConstraintIdx = 0; externConstraintIdx < (int)methodInstance->mMethodDef->mExternalConstraints.size(); externConstraintIdx++)
- {
- auto genericParam = methodInstance->mMethodInfoEx->mGenericParams[methodInstance->mMethodDef->mGenericParams.size() + externConstraintIdx];
- BF_ASSERT(genericParam->mExternType != NULL);
- GenericParamPair* pairPtr = NULL;
- externConstraints.TryAdd(genericParam->mExternType, NULL, &pairPtr);
- pairPtr->mParams[idx] = genericParam;
- }
- };
- _GetParams(0, newMethodInstance);
- _GetParams(1, prevMethodInstance);
- for (auto kv : externConstraints)
- {
- SET_BETTER_OR_WORSE(mModule->AreConstraintsSubset(kv.mValue.mParams[1], kv.mValue.mParams[0]), mModule->AreConstraintsSubset(kv.mValue.mParams[0], kv.mValue.mParams[1]));
- }
- if ((isBetter) || (isWorse))
- {
- RETURN_RESULTS;
- }
- }
- // Does one have a body and one doesn't? Obvious!
- isBetter = prevMethodDef->IsEmptyPartial();
- isWorse = newMethodDef->IsEmptyPartial();
- if ((isBetter) && (isWorse))
- {
- // If both are empty partials then just bind to either
- isWorse = true;
- RETURN_RESULTS;
- }
- // For extensions, select the version in the most-specific project (only applicable for ctors)
- if ((!isBetter) && (!isWorse))
- {
- auto newProject = newMethodDef->mDeclaringType->mProject;
- auto prevProject = prevMethodDef->mDeclaringType->mProject;
- if (newProject != prevProject)
- {
- RETURN_BETTER_OR_WORSE(newProject->ContainsReference(prevProject), prevProject->ContainsReference(newProject));
- }
- }
- // If we have conditional type extensions that both define an implementation for a method, use the most-specific conditional extension constraints
- auto owner = newMethodInstance->GetOwner();
- if ((newMethodDef->mDeclaringType != prevMethodDef->mDeclaringType) && (owner->IsGenericTypeInstance()))
- {
- auto genericOwner = (BfTypeInstance*)owner;
- if (genericOwner->mGenericTypeInfo->mGenericExtensionInfo != NULL)
- {
- BfGenericExtensionEntry* newGenericExtesionEntry = NULL;
- BfGenericExtensionEntry* prevGenericExtesionEntry = NULL;
- if ((genericOwner->mGenericTypeInfo->mGenericExtensionInfo->mExtensionMap.TryGetValue(newMethodDef->mDeclaringType, &newGenericExtesionEntry)) &&
- (genericOwner->mGenericTypeInfo->mGenericExtensionInfo->mExtensionMap.TryGetValue(prevMethodDef->mDeclaringType, &prevGenericExtesionEntry)))
- {
- if ((newGenericExtesionEntry->mGenericParams.size() == prevGenericExtesionEntry->mGenericParams.size()))
- {
- for (int genericParamIdx = 0; genericParamIdx < (int)newGenericExtesionEntry->mGenericParams.size(); genericParamIdx++)
- {
- auto newMethodGenericParam = newGenericExtesionEntry->mGenericParams[genericParamIdx];
- auto prevMethodGenericParam = prevGenericExtesionEntry->mGenericParams[genericParamIdx];
- SET_BETTER_OR_WORSE(mModule->AreConstraintsSubset(prevMethodGenericParam, newMethodGenericParam), mModule->AreConstraintsSubset(newMethodGenericParam, prevMethodGenericParam));
- }
- }
- if ((isBetter) || (isWorse))
- {
- RETURN_RESULTS;
- }
- }
- }
- }
- RETURN_BETTER_OR_WORSE(newMethodDef->mCheckedKind == mCheckedKind, prevMethodDef->mCheckedKind == mCheckedKind);
- RETURN_BETTER_OR_WORSE(newMethodDef->mAppendKind == mAllowAppendKind, prevMethodDef->mAppendKind == mAllowAppendKind);
- RETURN_BETTER_OR_WORSE(newMethodDef->mCommutableKind != BfCommutableKind_Reverse, prevMethodDef->mCommutableKind != BfCommutableKind_Reverse);
- // If one of these methods is local to the current extension then choose that one
- auto activeDef = mModule->GetActiveTypeDef();
- RETURN_BETTER_OR_WORSE(newMethodDef->mDeclaringType == activeDef, prevMethodDef->mDeclaringType == activeDef);
- RETURN_BETTER_OR_WORSE(newMethodDef->mDeclaringType->IsExtension(), prevMethodDef->mDeclaringType->IsExtension());
- RETURN_BETTER_OR_WORSE(newMethodDef->mIsMutating, prevMethodDef->mIsMutating);
- if (newMethodDef->mHasComptime != prevMethodDef->mHasComptime)
- {
- bool isComptime = (mModule->mIsComptimeModule) || ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
- RETURN_BETTER_OR_WORSE(newMethodDef->mHasComptime == isComptime, prevMethodDef->mHasComptime == isComptime);
- }
- RETURN_RESULTS;
- }
- BfTypedValue BfMethodMatcher::ResolveArgTypedValue(BfResolvedArg& resolvedArg, BfType* checkType, BfTypeVector* genericArgumentsSubstitute, BfType *origCheckType, BfResolveArgFlags flags)
- {
- BfTypedValue argTypedValue = resolvedArg.mTypedValue;
- if ((resolvedArg.mArgFlags & BfArgFlag_DelegateBindAttempt) != 0)
- {
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mExpectingType = checkType;
- BF_ASSERT(resolvedArg.mExpression->IsA<BfDelegateBindExpression>());
- auto delegateBindExpr = BfNodeDynCast<BfDelegateBindExpression>(resolvedArg.mExpression);
- BfMethodInstance* boundMethodInstance = NULL;
- auto bindType = checkType;
- if ((bindType == NULL) && (origCheckType != NULL) && (!origCheckType->IsUnspecializedTypeVariation()))
- bindType = checkType;
- if (exprEvaluator.CanBindDelegate(delegateBindExpr, &boundMethodInstance, bindType, genericArgumentsSubstitute))
- {
- if (delegateBindExpr->mNewToken == NULL)
- {
- if (boundMethodInstance->GetOwner()->IsFunction())
- {
- return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), boundMethodInstance->GetOwner());
- }
- else if ((boundMethodInstance->mDisallowCalling) || ((flags & BfResolveArgFlag_FromGeneric) == 0))
- {
- argTypedValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), checkType);
- }
- else
- {
- resolvedArg.mExpectedType = checkType;
- auto methodRefType = mModule->CreateMethodRefType(boundMethodInstance);
- mModule->AddDependency(methodRefType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
- mModule->AddCallDependency(boundMethodInstance);
- argTypedValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), methodRefType);
- }
- }
- else
- argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
- }
- }
- else if ((resolvedArg.mArgFlags & BfArgFlag_LambdaBindAttempt) != 0)
- {
- if ((argTypedValue) && (argTypedValue.mType->IsMethodRef()) &&
- ((checkType == NULL) || (!checkType->IsMethodRef())))
- {
- // This may be from a previous checkMethod, clear it out
- argTypedValue = BfTypedValue();
- }
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mExpectingType = checkType;
- BF_ASSERT(resolvedArg.mExpression->IsA<BfLambdaBindExpression>());
- auto lambdaBindExpr = (BfLambdaBindExpression*)resolvedArg.mExpression;
- if ((checkType != NULL) && (checkType->IsDelegate()))
- {
- BfMethodInstance* methodInstance = mModule->GetRawMethodInstanceAtIdx(checkType->ToTypeInstance(), 0, "Invoke");
- if (methodInstance != NULL)
- {
- if (methodInstance->GetParamCount() == (int)lambdaBindExpr->mParams.size())
- {
- if (lambdaBindExpr->mNewToken == NULL)
- {
- if (!resolvedArg.mTypedValue)
- {
- // Resolve for real
- resolvedArg.mTypedValue = mModule->CreateValueFromExpression(lambdaBindExpr, checkType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_NoAutoComplete));
- }
- argTypedValue = resolvedArg.mTypedValue;
- }
- else
- argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
- //argTypedValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), checkType);
- }
- }
- }
- else if ((checkType == NULL) && (origCheckType != NULL) && (origCheckType->IsUnspecializedTypeVariation()) && (genericArgumentsSubstitute != NULL) && (origCheckType->IsDelegateOrFunction()))
- {
- BfMethodInstance* methodInstance = mModule->GetRawMethodInstanceAtIdx(origCheckType->ToTypeInstance(), 0, "Invoke");
- if (methodInstance != NULL)
- {
- if ((methodInstance->mReturnType->IsGenericParam()) && (((BfGenericParamType*)methodInstance->mReturnType)->mGenericParamKind == BfGenericParamKind_Method))
- {
- bool isValid = true;
- int returnMethodGenericArgIdx = ((BfGenericParamType*)methodInstance->mReturnType)->mGenericParamIdx;
- if ((*genericArgumentsSubstitute)[returnMethodGenericArgIdx] != NULL)
- {
- isValid = false;
- }
- if (methodInstance->mParams.size() != (int)lambdaBindExpr->mParams.size())
- isValid = false;
- for (auto& param : methodInstance->mParams)
- {
- if (param.mResolvedType->IsGenericParam())
- {
- auto genericParamType = (BfGenericParamType*)param.mResolvedType;
- if ((genericParamType->mGenericParamKind == BfGenericParamKind_Method) && ((*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx] == NULL))
- {
- isValid = false;
- }
- }
- }
- if (isValid)
- {
- bool success = false;
- (*genericArgumentsSubstitute)[returnMethodGenericArgIdx] = mModule->GetPrimitiveType(BfTypeCode_None);
- auto tryType = mModule->ResolveGenericType(origCheckType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance);
- if (tryType != NULL)
- {
- auto inferredReturnType = mModule->CreateValueFromExpression(lambdaBindExpr, tryType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_InferReturnType | BfEvalExprFlags_NoAutoComplete));
- if (inferredReturnType.mType != NULL)
- {
- (*genericArgumentsSubstitute)[returnMethodGenericArgIdx] = inferredReturnType.mType;
- if (((flags & BfResolveArgFlag_FromGenericParam) != 0) && (lambdaBindExpr->mNewToken == NULL))
- {
- auto resolvedType = mModule->ResolveGenericType(origCheckType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance);
- if (resolvedType != NULL)
- {
- // Resolve for real
- resolvedArg.mTypedValue = mModule->CreateValueFromExpression(lambdaBindExpr, resolvedType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_NoAutoComplete));
- argTypedValue = resolvedArg.mTypedValue;
- }
- }
- success = true;
- }
- }
- if (!success)
- {
- // Put back
- (*genericArgumentsSubstitute)[returnMethodGenericArgIdx] = NULL;
- }
- }
- }
- }
- }
- }
- else if ((resolvedArg.mArgFlags & BfArgFlag_UnqualifiedDotAttempt) != 0)
- {
- if ((checkType != NULL) && (checkType->IsPayloadEnum()))
- {
- // Should we actually check the member name?
- argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
- }
- }
- else if ((resolvedArg.mArgFlags & BfArgFlag_UntypedDefault) != 0)
- {
- if (checkType != NULL)
- argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
- }
- else if ((resolvedArg.mArgFlags & BfArgFlag_DeferredEval) != 0)
- {
- if (resolvedArg.mExpression != NULL)
- {
- if ((resolvedArg.mExpectedType != checkType) || (resolvedArg.mExpectedType == NULL)) // Did our last check match for this type?
- {
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
- bool prevNoBind = false;
- if (mModule->mCurMethodState != NULL)
- {
- prevNoBind = mModule->mCurMethodState->mNoBind;
- mModule->mCurMethodState->mNoBind = true;
- }
- auto prevBlock = mModule->mBfIRBuilder->GetInsertBlock();
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags);
- exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowIntUnknown | BfEvalExprFlags_AllowRefExpr | BfEvalExprFlags_NoAutoComplete);
- if ((resolvedArg.mArgFlags & BfArgFlag_ParamsExpr) != 0)
- exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowParamsExpr);
- auto expectType = checkType;
- if (expectType != NULL)
- {
- if (expectType->IsRef())
- {
- auto refType = (BfRefType*)expectType;
- expectType = refType->mElementType;
- }
- if ((genericArgumentsSubstitute != NULL) && (expectType->IsUnspecializedType()))
- expectType = mModule->ResolveGenericType(expectType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance, true);
- }
- exprEvaluator.mExpectingType = expectType;
- exprEvaluator.Evaluate(resolvedArg.mExpression);
- argTypedValue = exprEvaluator.GetResult();
- if ((argTypedValue) && (argTypedValue.mType->IsVar()))
- argTypedValue = BfTypedValue();
- if (mModule->mCurMethodState != NULL)
- mModule->mCurMethodState->mNoBind = prevNoBind;
- if ((argTypedValue) && (!argTypedValue.mType->IsVar()))
- {
- if (checkType != NULL)
- resolvedArg.mExpectedType = checkType;
- auto storeTypedValue = argTypedValue;
- if ((storeTypedValue.mValue) & (!storeTypedValue.mValue.IsFake()))
- {
- // We actually want to ensure that this cached value is a fake val. There are potential cases where a fake val
- // won't be generated but we should throw an error, so we need to make sure we actually re-evaluate when the call
- // is generated
- //storeTypedValue.mValue = mModule->mBfIRBuilder->GetFakeVal();
- resolvedArg.mWantsRecalc = true;
- }
- resolvedArg.mTypedValue = storeTypedValue;
- //BF_ASSERT(argTypedValue.mValue.mId != -1);
- }
- mModule->mBfIRBuilder->SetInsertPoint(prevBlock);
- }
- }
- }
- else if ((resolvedArg.mArgFlags & BfArgFlag_VariableDeclaration) != 0)
- {
- if ((checkType != NULL) && (checkType->IsRef()))
- argTypedValue = BfTypedValue(BfTypedValueKind_UntypedValue);
- }
- return argTypedValue;
- }
- bool BfMethodMatcher::WantsCheckMethod(BfProtectionCheckFlags& flags, BfTypeInstance* startTypeInstance, BfTypeInstance* checkTypeInstance, BfMethodDef* checkMethod)
- {
- MatchFailKind matchFailKind = MatchFailKind_None;
- if (!mModule->CheckProtection(flags, checkTypeInstance, checkMethod->mDeclaringType->mProject, checkMethod->mProtection, startTypeInstance))
- {
- if ((mBypassVirtual) &&
- ((checkMethod->mProtection == BfProtection_Protected) || (checkMethod->mProtection == BfProtection_ProtectedInternal)) &&
- (mModule->TypeIsSubTypeOf(mModule->mCurTypeInstance, startTypeInstance)))
- {
- // Allow explicit 'base' call
- }
- else
- {
- return false;
- }
- }
- if (mCheckedKind != checkMethod->mCheckedKind)
- {
- bool passes = true;
- if (mCheckedKind != BfCheckedKind_NotSet)
- {
- passes = false;
- }
- else
- {
- auto defaultCheckedKind = mModule->GetDefaultCheckedKind();
- if (defaultCheckedKind != checkMethod->mCheckedKind)
- passes = false;
- }
- if (!passes)
- {
- return false;
- }
- }
- return true;
- }
- bool BfMethodMatcher::InferFromGenericConstraints(BfMethodInstance* methodInstance, BfGenericParamInstance* genericParamInst, BfTypeVector* methodGenericArgs)
- {
- if (!genericParamInst->mExternType->IsGenericParam())
- return false;
- auto genericParamType = (BfGenericParamType*)genericParamInst->mExternType;
- if (genericParamType->mGenericParamKind != BfGenericParamKind_Method)
- return false;
- BfType* checkArgType = NULL;
- for (auto& checkOpConstraint : genericParamInst->mOperatorConstraints)
- {
- auto leftType = checkOpConstraint.mLeftType;
- if ((leftType != NULL) && (leftType->IsUnspecializedType()))
- leftType = mModule->ResolveGenericType(leftType, NULL, methodGenericArgs, mModule->mCurTypeInstance);
- if (leftType != NULL)
- leftType = mModule->FixIntUnknown(leftType);
- auto rightType = checkOpConstraint.mRightType;
- if ((rightType != NULL) && (rightType->IsUnspecializedType()))
- rightType = mModule->ResolveGenericType(rightType, NULL, methodGenericArgs, mModule->mCurTypeInstance);
- if (rightType != NULL)
- rightType = mModule->FixIntUnknown(rightType);
- BfConstraintState constraintSet;
- constraintSet.mPrevState = mModule->mContext->mCurConstraintState;
- constraintSet.mGenericParamInstance = genericParamInst;
- constraintSet.mLeftType = leftType;
- constraintSet.mRightType = rightType;
- SetAndRestoreValue<BfConstraintState*> prevConstraintSet(mModule->mContext->mCurConstraintState, &constraintSet);
- if (!mModule->CheckConstraintState(NULL))
- return false;
- if (checkOpConstraint.mBinaryOp != BfBinaryOp_None)
- {
- if ((leftType == NULL) || (rightType == NULL))
- continue;
- BfExprEvaluator exprEvaluator(mModule);
- BfTypedValue leftValue(mModule->mBfIRBuilder->GetFakeVal(), leftType);
- BfTypedValue rightValue(mModule->mBfIRBuilder->GetFakeVal(), rightType);
- //
- {
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- exprEvaluator.PerformBinaryOperation(NULL, NULL, checkOpConstraint.mBinaryOp, NULL, BfBinOpFlag_NoClassify, leftValue, rightValue);
- }
- if (exprEvaluator.mResult)
- checkArgType = exprEvaluator.mResult.mType;
- }
- else
- {
- if (rightType == NULL)
- continue;
- BfTypedValue rightValue(mModule->mBfIRBuilder->GetFakeVal(), rightType);
- StringT<128> failedOpName;
- if (checkOpConstraint.mCastToken == BfToken_Implicit)
- {
- }
- else
- {
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- if (checkOpConstraint.mCastToken == BfToken_Explicit)
- {
- }
- else
- {
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mResult = rightValue;
- exprEvaluator.PerformUnaryOperation(NULL, checkOpConstraint.mUnaryOp, NULL, BfUnaryOpFlag_IsConstraintCheck);
- if (exprEvaluator.mResult)
- checkArgType = exprEvaluator.mResult.mType;
- }
- }
- }
- }
- if ((checkArgType == NULL) && ((genericParamInst->mGenericParamFlags & BfGenericParamFlag_ComptypeExpr) != 0))
- {
- for (auto comptypeConstraint : genericParamInst->mComptypeConstraint)
- {
- checkArgType = mModule->ResolveGenericMethodTypeRef(comptypeConstraint, methodInstance, genericParamInst, methodGenericArgs);
- if (checkArgType == NULL)
- return false;
- }
- }
- if (checkArgType == NULL)
- return false;
- if (checkArgType->IsVar())
- return false;
- (*methodGenericArgs)[genericParamType->mGenericParamIdx] = checkArgType;
- return true;
- }
- bool BfMethodMatcher::CheckMethod(BfTypeInstance* targetTypeInstance, BfTypeInstance* typeInstance, BfMethodDef* checkMethod, bool isFailurePass)
- {
- BP_ZONE("BfMethodMatcher::CheckMethod");
- BackupMatchKind curMatchKind = BackupMatchKind_None;
- bool hadMatch = false;
- // Never consider overrides - they only get found at original method declaration
- // mBypassVirtual gets set when we are doing an explicit "base" call, or when we are a struct --
- // because on structs we know the exact type
- if ((checkMethod->mIsOverride) && (!mBypassVirtual) && (!typeInstance->IsValueType()))
- return false;
- mMethodCheckCount++;
- BfMethodInstance* methodInstance = mModule->GetRawMethodInstance(typeInstance, checkMethod);
- if (methodInstance == NULL)
- return false;
- BfMethodInstance* typeUnspecMethodInstance = mModule->GetUnspecializedMethodInstance(methodInstance, true);
- BfTypeVector* typeGenericArguments = NULL;
- if (typeInstance->mGenericTypeInfo != NULL)
- typeGenericArguments = &typeInstance->mGenericTypeInfo->mTypeGenericArguments;
- if ((mInterfaceMethodInstance != NULL) && (methodInstance->GetExplicitInterface() != NULL))
- {
- BfTypeInstance* wantInterface = mInterfaceMethodInstance->mMethodInstanceGroup->mOwner;
- if (wantInterface != methodInstance->GetExplicitInterface())
- return false;
- }
- if ((checkMethod->mIsVirtual) && (!checkMethod->mIsOverride) && (!mBypassVirtual) &&
- (targetTypeInstance != NULL) && (targetTypeInstance->IsObject()))
- {
- mModule->PopulateType(targetTypeInstance, BfPopulateType_DataAndMethods);
- if ((methodInstance->mVirtualTableIdx < targetTypeInstance->mVirtualMethodTable.mSize) && (methodInstance->mVirtualTableIdx >= 0))
- {
- BfVirtualMethodEntry& vEntry = targetTypeInstance->mVirtualMethodTable[methodInstance->mVirtualTableIdx];
- if ((vEntry.mImplementingMethod.mTypeInstance != NULL) && (vEntry.mImplementingMethod.mTypeInstance->mDefineState < BfTypeDefineState_DefinedAndMethodsSlotted) &&
- (mModule->mCompiler->IsAutocomplete()))
- {
- // Silently ignore
- }
- else
- {
- auto implMethod = (BfMethodInstance*)vEntry.mImplementingMethod;
- if ((implMethod != methodInstance) && (implMethod != NULL))
- {
- SetAndRestoreValue<bool> prevBypassVirtual(mBypassVirtual, true);
- return CheckMethod(targetTypeInstance, implMethod->GetOwner(), implMethod->mMethodDef, isFailurePass);
- }
- }
- }
- else
- {
- // Being in autocomplete mode is the only excuse for not having the virtual method table slotted
- if ((!mModule->mCompiler->IsAutocomplete()) && (!targetTypeInstance->mTypeFailed) && (!targetTypeInstance->IsUnspecializedTypeVariation()))
- {
- mModule->AssertErrorState();
- }
- }
- }
- BfGenericInferContext genericInferContext;
- genericInferContext.mModule = mModule;
- genericInferContext.mCheckMethodGenericArguments = &mCheckMethodGenericArguments;
- HashSet<int> allowEmptyGenericSet;
- BfAutoComplete* autoComplete = NULL;
- if ((mModule->mCompiler->mResolvePassData != NULL) && (!isFailurePass) && ((mBfEvalExprFlags & BfEvalExprFlags_NoAutoComplete) == 0))
- autoComplete = mModule->mCompiler->mResolvePassData->mAutoComplete;
- if (checkMethod->mMethodType != BfMethodType_Extension)
- {
- if (((checkMethod->mIsStatic) && (!mAllowStatic)) ||
- ((!checkMethod->mIsStatic) && (!mAllowNonStatic)))
- {
- if (!typeInstance->IsFunction())
- autoComplete = NULL;
- }
- }
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- BfAutoComplete::MethodMatchEntry methodMatchEntry;
- methodMatchEntry.mMethodDef = checkMethod;
- methodMatchEntry.mTypeInstance = typeInstance;
- methodMatchEntry.mCurMethodInstance = mModule->mCurMethodInstance;
- autoComplete->mMethodMatchInfo->mInstanceList.push_back(methodMatchEntry);
- }
- BfTypeVector* genericArgumentsSubstitute = NULL;
- int argIdx = 0;
- int argMatchCount = 0;
- bool needInferGenericParams = (checkMethod->mGenericParams.size() != 0) &&
- ((!mHadExplicitGenericArguments) || (mHadPartialGenericArguments));
- int paramIdx = 0;
- BfType* paramsElementType = NULL;
- if (checkMethod->HasAppend())
- paramIdx++;
- int uniqueGenericStartIdx = mModule->GetLocalInferrableGenericArgCount(checkMethod);
- if (mHadExplicitGenericArguments)
- {
- int genericArgDelta = (int)(checkMethod->mGenericParams.size() - (mExplicitMethodGenericArguments.size() + uniqueGenericStartIdx));
- if (mHadOpenGenericArguments)
- {
- if (genericArgDelta <= 0)
- goto NoMatch;
- }
- else
- {
- if (genericArgDelta != 0)
- goto NoMatch;
- }
- }
- for (auto& checkGenericArgRef : mCheckMethodGenericArguments)
- checkGenericArgRef = NULL;
- mCheckMethodGenericArguments.resize(checkMethod->mGenericParams.size());
- for (auto& genericArgRef : mCheckMethodGenericArguments)
- genericArgRef = NULL;
- if (mHadExplicitGenericArguments)
- {
- if (uniqueGenericStartIdx > 0)
- {
- genericArgumentsSubstitute = &mCheckMethodGenericArguments;
- mCheckMethodGenericArguments.clear();
- mCheckMethodGenericArguments.reserve(mExplicitMethodGenericArguments.size() + uniqueGenericStartIdx);
- for (int i = 0; i < uniqueGenericStartIdx; i++)
- mCheckMethodGenericArguments.Add(NULL);
- for (int i = 0; i < (int)mExplicitMethodGenericArguments.size(); i++)
- mCheckMethodGenericArguments.Add(mExplicitMethodGenericArguments[i]);
- }
- else
- {
- genericArgumentsSubstitute = &mExplicitMethodGenericArguments;
- }
- if ((mHadPartialGenericArguments) && (needInferGenericParams))
- {
- genericArgumentsSubstitute = &mCheckMethodGenericArguments;
- for (int i = 0; i < (int)mExplicitMethodGenericArguments.mSize; i++)
- mCheckMethodGenericArguments[i] = mExplicitMethodGenericArguments[i];
- }
- }
- else if (needInferGenericParams)
- genericArgumentsSubstitute = &mCheckMethodGenericArguments;
- if (mHasArgNames)
- {
- checkMethod->BuildParamNameMap();
- bool prevWasNull = false;
- for (int argIdx = (int)mArguments.mSize - 1; argIdx >= 0; argIdx--)
- {
- auto& arg = mArguments[argIdx];
- if (arg.mNameNode != NULL)
- {
- if (prevWasNull)
- {
- if (argIdx >= checkMethod->mParams.mSize)
- goto NoMatch;
- if (checkMethod->mParams[argIdx]->mName != arg.mNameNode->ToStringView())
- goto NoMatch;
- }
- else
- {
- if (!checkMethod->mParamNameMap->ContainsKey(arg.mNameNode->ToStringView()))
- goto NoMatch;
- }
- prevWasNull = false;
- }
- else
- {
- prevWasNull = true;
- }
- }
- }
- if ((checkMethod->mIsMutating) && (targetTypeInstance != NULL) && (targetTypeInstance->IsValueType()) &&
- ((mTarget.IsReadOnly()) || (!mTarget.IsAddr())) &&
- (!targetTypeInstance->IsValuelessType()))
- {
- goto NoMatch;
- }
- if (mSkipImplicitParams)
- {
- //paramOfs = methodInstance->GetImplicitParamCount();
- //paramIdx += paramOfs;
- }
- if (needInferGenericParams)
- {
- genericInferContext.mPrevArgValues.resize(checkMethod->mGenericParams.size());
- int paramOfs = methodInstance->GetImplicitParamCount();
- int paramCount = methodInstance->GetParamCount();
- SizedArray<int, 8> deferredArgs;
- int argIdx = 0;
- int paramIdx = 0;
- if (checkMethod->HasAppend())
- paramIdx++;
- if (checkMethod->mMethodType == BfMethodType_Extension)
- {
- argIdx--;
- }
- paramIdx += paramOfs;
- bool hadInferFailure = false;
- int inferParamOffset = paramOfs - argIdx;
- int paramsParamIdx = -1;
- enum ResultKind
- {
- ResultKind_Ok,
- ResultKind_Failed,
- ResultKind_Deferred,
- };
- auto _CheckArg = [&](int argIdx)
- {
- paramIdx = argIdx + inferParamOffset;
- if ((paramsParamIdx != -1) && (paramIdx > paramsParamIdx))
- paramIdx = paramsParamIdx;
- auto wantType = methodInstance->GetParamType(paramIdx);
- auto checkType = wantType;
- auto origCheckType = checkType;
- if (checkType->IsGenericParam())
- {
- BfGenericParamInstance* genericParamInstance = NULL;
- auto genericParamType = (BfGenericParamType*)checkType;
- checkType = NULL;
- if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
- {
- if ((genericArgumentsSubstitute != NULL) && (genericParamType->mGenericParamIdx < (int)genericArgumentsSubstitute->size()))
- checkType = (*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx];
- genericParamInstance = methodInstance->mMethodInfoEx->mGenericParams[genericParamType->mGenericParamIdx];
- }
- else
- genericParamInstance = mModule->GetGenericParamInstance(genericParamType);
- if (checkType == NULL)
- {
- checkType = genericParamInstance->mTypeConstraint;
- origCheckType = checkType; // We can do "ResolveGenericType" on this type
- }
- }
- bool attemptedGenericResolve = false;
- if ((checkType != NULL) && (genericArgumentsSubstitute != NULL) && (checkType->IsUnspecializedType()))
- {
- attemptedGenericResolve = true;
- checkType = mModule->ResolveGenericType(origCheckType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance);
- }
- if (wantType->IsUnspecializedType())
- {
- BfTypedValue argTypedValue;
- if (argIdx == -1)
- {
- if (mOrigTarget)
- argTypedValue = mOrigTarget;
- else
- argTypedValue = mTarget;
- }
- else
- {
- BfResolveArgFlags flags = BfResolveArgFlag_FromGeneric;
- if (wantType->IsGenericParam())
- flags = (BfResolveArgFlags)(flags | BfResolveArgFlag_FromGenericParam);
- argTypedValue = ResolveArgTypedValue(mArguments[argIdx], checkType, genericArgumentsSubstitute, origCheckType, flags);
- }
- if (!argTypedValue.IsUntypedValue())
- {
- auto type = argTypedValue.mType;
- if (!argTypedValue)
- {
- if ((checkType == NULL) && (attemptedGenericResolve) && (genericInferContext.GetUnresolvedCount() >= 2))
- {
- deferredArgs.Add(argIdx);
- return ResultKind_Deferred;
- }
- return ResultKind_Failed;
- }
- if (type->IsVar())
- mHasVarArguments = true;
- if (methodInstance->GetParamKind(paramIdx) == BfParamKind_Params)
- {
- if ((mArguments[argIdx].mArgFlags & BfArgFlag_ParamsExpr) != 0)
- {
- // Match to entire thing
- }
- else
- {
- paramsParamIdx = paramIdx;
- if ((wantType->IsArray()) || (wantType->IsSizedArray()) || (wantType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef)))
- wantType = wantType->GetUnderlyingType();
- }
- }
- if (!genericInferContext.InferGenericArgument(methodInstance, type, wantType, argTypedValue.mValue))
- return ResultKind_Failed;
- }
- }
- return ResultKind_Ok;
- };
- for (; argIdx < (int)mArguments.size(); argIdx++)
- {
- paramIdx = argIdx + inferParamOffset;
- if ((paramIdx >= paramCount) && (paramsParamIdx == -1))
- break; // Possible for delegate 'params' type methods
- auto resultKind = _CheckArg(argIdx);
- if (resultKind == ResultKind_Failed)
- goto NoMatch;
- }
- if ((methodInstance->mParams.mSize > 0) && (methodInstance->GetParamKind(methodInstance->mParams.mSize - 1) == BfParamKind_Params))
- {
- // Handle `params int[C]` generic sized array params case
- auto paramsType = methodInstance->GetParamType(methodInstance->mParams.mSize - 1);
- if (paramsType->IsUnknownSizedArrayType())
- {
- auto unknownSizedArray = (BfUnknownSizedArrayType*)paramsType;
- if (unknownSizedArray->mElementCountSource->IsMethodGenericParam())
- {
- auto genericParam = (BfGenericParamType*)unknownSizedArray->mElementCountSource;
- if ((*genericArgumentsSubstitute)[genericParam->mGenericParamIdx] == NULL)
- {
- int paramsCount = (int)mArguments.mSize - inferParamOffset;
- (*genericArgumentsSubstitute)[genericParam->mGenericParamIdx] = mModule->CreateConstExprValueType(
- BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, paramsCount), mModule->GetPrimitiveType(BfTypeCode_IntPtr)));
- }
- }
- }
- else if (paramsType->IsParamsType())
- {
- paramsType = paramsType->GetUnderlyingType();
- if (paramsType->IsGenericParam())
- {
- auto genericParamType = (BfGenericParamType*)paramsType;
- if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
- {
- auto genericParamInst = methodInstance->mMethodInfoEx->mGenericParams[genericParamType->mGenericParamIdx];
- if ((genericParamInst->mTypeConstraint != NULL) && (genericParamInst->mTypeConstraint->IsInstanceOf(mModule->mCompiler->mTupleTypeDef)))
- {
- bool isValid = true;
- BfTypeVector genericArgs;
- for (int argIdx = methodInstance->mParams.mSize - 1 - inferParamOffset; argIdx < (int)mArguments.size(); argIdx++)
- {
- BfTypedValue argTypedValue = ResolveArgTypedValue(mArguments[argIdx], NULL, genericArgumentsSubstitute);
- if (!argTypedValue)
- {
- isValid = false;
- break;
- }
- genericArgs.Add(mModule->FixIntUnknown(argTypedValue.mType));
- }
- if (isValid)
- {
- (*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx] = mModule->CreateTupleType(genericArgs, SubstituteList());
- }
- }
- }
- }
- }
- }
- if (!deferredArgs.IsEmpty())
- {
- genericInferContext.InferGenericArguments(methodInstance);
- }
- while (!deferredArgs.IsEmpty())
- {
- int prevDeferredSize = (int)deferredArgs.size();
- for (int i = 0; i < prevDeferredSize; i++)
- {
- auto resultKind = _CheckArg(deferredArgs[i]);
- if (resultKind == ResultKind_Failed)
- goto NoMatch;
- }
- deferredArgs.RemoveRange(0, prevDeferredSize);
- if (prevDeferredSize == deferredArgs.size())
- {
- // No progress
- goto NoMatch;
- }
- }
- //
- {
- int paramIdx = (int)mArguments.size() + paramOfs;
- while (paramIdx < checkMethod->mParams.size())
- {
- if ((paramIdx < methodInstance->mDefaultValues.size()) && (methodInstance->mDefaultValues[paramIdx]))
- {
- auto wantType = methodInstance->GetParamType(paramIdx);
- auto checkType = wantType;
- if (checkType->IsGenericParam())
- {
- BfGenericParamInstance* genericParamInstance = NULL;
- auto genericParamType = (BfGenericParamType*)checkType;
- if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
- {
- if ((genericArgumentsSubstitute != NULL) && (genericParamType->mGenericParamIdx < (int)genericArgumentsSubstitute->size()))
- checkType = (*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx];
- genericParamInstance = methodInstance->mMethodInfoEx->mGenericParams[genericParamType->mGenericParamIdx];
- if ((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Const) != 0)
- {
- if (mCheckMethodGenericArguments[genericParamType->mGenericParamIdx] == NULL)
- allowEmptyGenericSet.Add(genericParamType->mGenericParamIdx);
- }
- }
- }
- }
- paramIdx++;
- }
- }
- if ((mCheckReturnType != NULL) && (methodInstance->mReturnType->IsUnspecializedType()))
- {
- if (!genericInferContext.InferGenericArgument(methodInstance, mCheckReturnType, methodInstance->mReturnType, BfIRValue()))
- return ResultKind_Failed;
- }
- bool failed = false;
- bool inferredAllGenericArguments = false;
- for (int pass = 0; true; pass++)
- {
- bool madeProgress = false;
- bool hasUninferred = false;
- failed = false;
- for (int genericArgIdx = uniqueGenericStartIdx; genericArgIdx < (int)checkMethod->mGenericParams.size(); genericArgIdx++)
- {
- if (genericArgIdx >= mCheckMethodGenericArguments.mSize)
- {
- failed = true;
- }
- else
- {
- auto& genericArg = mCheckMethodGenericArguments[genericArgIdx];
- if (genericArg == NULL)
- {
- auto genericParam = methodInstance->mMethodInfoEx->mGenericParams[genericArgIdx];
- InferFromGenericConstraints(methodInstance, genericParam, &mCheckMethodGenericArguments);
- if (genericArg != NULL)
- {
- if (inferredAllGenericArguments)
- genericInferContext.InferGenericArguments(methodInstance, genericArgIdx);
- madeProgress = true;
- }
- hasUninferred = true;
- if (!allowEmptyGenericSet.Contains(genericArgIdx))
- failed = true;
- }
- }
- }
- if (!hasUninferred)
- break;
- if (inferredAllGenericArguments)
- {
- if (!madeProgress)
- break;
- }
- genericInferContext.InferGenericArguments(methodInstance);
- inferredAllGenericArguments = true;
- }
- if (failed)
- goto NoMatch;
- }
- if (checkMethod->mMethodType == BfMethodType_Extension)
- argIdx--;
- // Iterate through params
- while (true)
- {
- // Too many arguments
- if (paramIdx >= (int)methodInstance->GetParamCount())
- {
- break;
- }
- bool isDeferredEval = false;
- if ((argIdx >= 0) && (methodInstance->GetParamKind(paramIdx) == BfParamKind_Params) && (paramsElementType == NULL))
- {
- if (argIdx >= (int) mArguments.size())
- break; // No params
- BfTypedValue argTypedValue = ResolveArgTypedValue(mArguments[argIdx], NULL, genericArgumentsSubstitute);
- if (!argTypedValue)
- goto NoMatch;
- if ((!argTypedValue.HasType()) && (!mArguments[argIdx].IsDeferredEval()))
- goto NoMatch;
- auto paramsArrayType = methodInstance->GetParamType(paramIdx);
- paramsArrayType = mModule->ResolveGenericType(paramsArrayType, NULL, genericArgumentsSubstitute, mModule->mCurTypeInstance);
- if (paramsArrayType == NULL)
- goto NoMatch;
- if ((mArguments[argIdx].mArgFlags & BfArgFlag_ParamsExpr) != 0)
- {
- // Direct-pass params
- if ((argTypedValue.IsUntypedValue()) || (mModule->CanCast(argTypedValue, paramsArrayType)))
- {
- argIdx++;
- argMatchCount++;
- paramIdx++;
- break;
- }
- goto NoMatch;
- }
- if ((paramsArrayType->IsArray()) || (paramsArrayType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef)))
- {
- paramsElementType = paramsArrayType->GetUnderlyingType();
- while (argIdx < (int)mArguments.size())
- {
- argTypedValue = ResolveArgTypedValue(mArguments[argIdx], paramsElementType, genericArgumentsSubstitute);
- if (!argTypedValue.HasType())
- goto NoMatch;
- BfCastFlags castFlags = ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? BfCastFlags_NoConversionOperator : BfCastFlags_None;
- if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
- castFlags = (BfCastFlags)(castFlags | BfCastFlags_Explicit);
- if (!mModule->CanCast(argTypedValue, paramsElementType, castFlags))
- goto NoMatch;
- argIdx++;
- argMatchCount++;
- }
- }
- else
- goto NoMatch;
- break;
- }
- if (methodInstance->IsImplicitCapture(paramIdx))
- {
- paramIdx++;
- continue;
- }
- if (argIdx >= (int) mArguments.size())
- {
- // We have defaults the rest of the way, so that's cool
- if (methodInstance->GetParamInitializer(paramIdx) != NULL)
- break;
- // We have unused params left over
- goto NoMatch;
- }
- auto wantType = methodInstance->GetParamType(paramIdx);
- if ((genericArgumentsSubstitute != NULL) && (wantType->IsUnspecializedType()))
- {
- wantType = typeUnspecMethodInstance->GetParamType(paramIdx);
- auto resolvedType = mModule->ResolveGenericType(wantType, typeGenericArguments, genericArgumentsSubstitute, mModule->mCurTypeInstance, false);
- if (resolvedType == NULL)
- goto NoMatch;
- wantType = resolvedType;
- }
- wantType = mModule->ResolveSelfType(wantType, typeInstance);
- if ((argIdx >= 0) && ((mArguments[argIdx].mArgFlags & BfArgFlag_ParamsExpr) != 0))
- {
- // We had a 'params' expression but this method didn't have a params slot in this parameter
- goto NoMatch;
- }
- BfTypedValue argTypedValue;
- if (argIdx == -1)
- argTypedValue = mTarget;
- else
- argTypedValue = ResolveArgTypedValue(mArguments[argIdx], wantType, genericArgumentsSubstitute);
- if (!argTypedValue.IsUntypedValue())
- {
- if (!argTypedValue.HasType())
- {
- // Check to see if this is the last argument and that it's a potential enum match
- if ((wantType->IsEnum()) && (argIdx == mArguments.size() - 1))
- {
- if (auto memberRefExpr = BfNodeDynCast<BfMemberReferenceExpression>(mArguments[argIdx].mExpression))
- {
- if (memberRefExpr->mTarget == NULL)
- {
- // Is dot expression
- curMatchKind = BackupMatchKind_PartialLastArgMatch;
- }
- }
- }
- bool matches = false;
- if (wantType->IsOut())
- {
- if (auto memberRefExpr = BfNodeDynCast<BfUninitializedExpression>(mArguments[argIdx].mExpression))
- matches = true;
- }
- if (!matches)
- goto NoMatch;
- }
- else
- {
- if ((checkMethod->mMethodType == BfMethodType_Extension) && (argIdx == -1))
- {
- if ((wantType->IsRef()) && (!argTypedValue.mType->IsRef()))
- wantType = wantType->GetUnderlyingType();
- }
- if ((wantType->IsRef()) && (!argTypedValue.mType->IsRef()) &&
- ((mAllowImplicitRef) || (wantType->IsIn())))
- wantType = wantType->GetUnderlyingType();
- BfCastFlags castFlags = ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? BfCastFlags_NoConversionOperator : BfCastFlags_None;
- if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
- castFlags = (BfCastFlags)(castFlags | BfCastFlags_Explicit);
- if ((mCheckReturnType != NULL) && (wantType->IsVar()))
- {
- // If we allowed this then it would allow too many matches (and allow conversion from any type during CastToValue)
- goto NoMatch;
- }
- if (!mModule->CanCast(argTypedValue, wantType, castFlags))
- {
- if ((argIdx == -1) && (wantType->IsWrappableType()) && (mModule->GetWrappedStructType(wantType) == argTypedValue.mType))
- {
- // Extension target can be wrapped
- }
- else if ((mAllowImplicitWrap) && (argTypedValue.mType->IsWrappableType()) && (mModule->GetWrappedStructType(argTypedValue.mType) == wantType))
- {
- // Is wrapped type
- }
- else
- goto NoMatch;
- }
- }
- }
- paramIdx++;
- argIdx++;
- argMatchCount++;
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- auto methodMatchInfo = autoComplete->mMethodMatchInfo;
- if (!methodMatchInfo->mHadExactMatch)
- {
- bool isBetter = false;
- bool isWorse = false;
- int methodIdx = (int)methodMatchInfo->mInstanceList.size() - 1;
- if ((methodMatchInfo->mBestIdx != -1) && (methodMatchInfo->mBestIdx < (int)methodMatchInfo->mInstanceList.size()))
- {
- auto prevMethodMatchEntry = &methodMatchInfo->mInstanceList[methodMatchInfo->mBestIdx];
- if (checkMethod->mParams.size() < mArguments.size())
- {
- isWorse = true;
- }
- else if ((prevMethodMatchEntry->mMethodDef != NULL) && (prevMethodMatchEntry->mMethodDef->mParams.size() < (int) mArguments.size()))
- {
- isBetter = true;
- }
- }
- }
- }
- }
- // Too many arguments (not all incoming arguments processed)
- if (argIdx < (int)mArguments.size())
- {
- if (!methodInstance->IsVarArgs())
- goto NoMatch;
- }
- if (mCheckReturnType != NULL)
- {
- auto returnType = methodInstance->mReturnType;
- if (returnType->IsVar())
- {
- // If we allowed this then it would allow too many matches (and allow conversion to any type during CastToValue)
- goto NoMatch;
- }
- bool doFullTypeResolve = false;
- if (returnType->IsUnspecializedTypeVariation())
- {
- returnType = typeUnspecMethodInstance->mReturnType;
- doFullTypeResolve = true;
- }
- if ((genericArgumentsSubstitute != NULL) && (returnType->IsUnspecializedType()))
- doFullTypeResolve = true;
- if (doFullTypeResolve)
- {
- auto resolvedType = mModule->ResolveGenericType(returnType, typeGenericArguments, genericArgumentsSubstitute, mModule->mCurTypeInstance, false);
- if (resolvedType == NULL)
- goto NoMatch;
- returnType = resolvedType;
- }
- returnType = mModule->ResolveSelfType(returnType, typeInstance);
- BfCastFlags castFlags = ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? (BfCastFlags)(BfCastFlags_NoConversionOperator | BfCastFlags_NoInterfaceImpl) : BfCastFlags_None;
- if ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp_Explicit) != 0)
- castFlags = (BfCastFlags)(castFlags | BfCastFlags_Explicit);
- if (!mModule->CanCast(mModule->GetFakeTypedValue(returnType), mCheckReturnType, castFlags))
- goto NoMatch;
- }
- if ((genericArgumentsSubstitute != NULL) && (genericArgumentsSubstitute->size() != 0))
- {
- for (int checkGenericIdx = uniqueGenericStartIdx; checkGenericIdx < (int)genericArgumentsSubstitute->size(); checkGenericIdx++)
- {
- auto& genericParams = methodInstance->mMethodInfoEx->mGenericParams;
- auto genericArg = (*genericArgumentsSubstitute)[checkGenericIdx];
- if (genericArg == NULL)
- {
- if (allowEmptyGenericSet.Contains(checkGenericIdx))
- continue;
- goto NoMatch;
- }
- if (genericArg == NULL)
- goto NoMatch;
- if (!mModule->CheckGenericConstraints(BfGenericParamSource(methodInstance), genericArg, NULL, genericParams[checkGenericIdx], genericArgumentsSubstitute, NULL))
- goto NoMatch;
- }
- }
- for (int externConstraintIdx = 0; externConstraintIdx < (int)checkMethod->mExternalConstraints.size(); externConstraintIdx++)
- {
- auto genericParam = methodInstance->mMethodInfoEx->mGenericParams[checkMethod->mGenericParams.size() + externConstraintIdx];
- BF_ASSERT(genericParam->mExternType != NULL);
- auto externType = genericParam->mExternType;
- BfTypeVector* externGenericArgumentsSubstitute = genericArgumentsSubstitute;
- if (externType->IsVar())
- {
- auto& externConstraint = checkMethod->mExternalConstraints[externConstraintIdx];
- if (externConstraint.mTypeRef != NULL)
- {
- externType = mModule->ResolveGenericMethodTypeRef(externConstraint.mTypeRef, methodInstance, genericParam, genericArgumentsSubstitute);
- if (externType == NULL)
- goto NoMatch;
- }
- }
- if (externType->IsGenericParam())
- {
- auto genericParamType = (BfGenericParamType*)externType;
- if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
- {
- if (genericArgumentsSubstitute != NULL)
- {
- auto genericArg = (*genericArgumentsSubstitute)[genericParamType->mGenericParamIdx];
- if (genericArg == NULL)
- {
- if (allowEmptyGenericSet.Contains(genericParamType->mGenericParamIdx))
- continue;
- goto NoMatch;
- }
- externType = genericArg;
- }
- }
- }
- if (!mModule->CheckGenericConstraints(BfGenericParamSource(methodInstance), externType, NULL, genericParam, externGenericArgumentsSubstitute, NULL))
- goto NoMatch;
- }
- // if (auto methodDecl = BfNodeDynCast<BfMethodDeclaration>(checkMethod->mMethodDeclaration))
- // {
- // if ((methodDecl->mGenericConstraintsDeclaration != NULL) && (methodDecl->mGenericConstraintsDeclaration->mHasExpressions))
- // {
- // for (auto genericConstraint : methodDecl->mGenericConstraintsDeclaration->mGenericConstraints)
- // {
- // if (auto genericConstraintExpr = BfNodeDynCast<BfGenericConstraintExpression>(genericConstraint))
- // {
- // if (genericConstraintExpr->mExpression == NULL)
- // continue;
- // BfConstResolver constResolver(mModule);
- // constResolver.mExpectingType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- // constResolver.Resolve(genericConstraintExpr->mExpression, constResolver.mExpectingType);
- // }
- // }
- // }
- // }
- // Method is applicable, check to see which method is better
- if (mBestMethodDef != NULL)
- {
- bool isBetter = false;
- bool isWorse = false;
- BfMethodInstance* prevMethodInstance = mModule->GetRawMethodInstance(mBestMethodTypeInstance, mBestMethodDef);
- bool allowSpecializeFail = mModule->mCurTypeInstance->IsUnspecializedType();
- if (mModule->mCurMethodInstance != NULL)
- allowSpecializeFail = mModule->mCurMethodInstance->mIsUnspecialized;
- CompareMethods(prevMethodInstance, &mBestMethodGenericArguments, methodInstance, genericArgumentsSubstitute, &isBetter, &isWorse, allowSpecializeFail);
- // If we had both a 'better' and 'worse', that's ambiguous because the methods are each better in different ways (not allowed)
- // And if neither better nor worse then they are equally good, which is not allowed either
- if (((!isBetter) && (!isWorse)) || ((isBetter) && (isWorse)))
- {
- if (!mHasVarArguments)
- {
- // If we are ambiguous based on a subset of an extern 'var' constraint then don't throw an error
- auto _CheckMethodInfo = [&](BfMethodInstance* checkMethodInstance)
- {
- if (checkMethodInstance->mMethodInfoEx == NULL)
- return;
- for (auto genericParam : checkMethodInstance->mMethodInfoEx->mGenericParams)
- {
- if ((genericParam->mExternType == NULL) || (!genericParam->mExternType->IsGenericParam()))
- continue;
- auto genericParamType = (BfGenericParamType*)genericParam->mExternType;
- if (genericParamType->mGenericParamKind != BfGenericParamKind_Type)
- continue;
- auto externGenericParam = mModule->GetGenericParamInstance(genericParamType);
- if ((externGenericParam->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
- mHasVarArguments = true;
- }
- };
- _CheckMethodInfo(methodInstance);
- _CheckMethodInfo(prevMethodInstance);
- }
- if (mHasVarArguments)
- {
- if (methodInstance->mReturnType != prevMethodInstance->mReturnType)
- mHadVarConflictingReturnType = true;
- }
- else
- {
- BfAmbiguousEntry ambiguousEntry;
- ambiguousEntry.mMethodInstance = methodInstance;
- if (genericArgumentsSubstitute != NULL)
- ambiguousEntry.mBestMethodGenericArguments = *genericArgumentsSubstitute;
- if (methodInstance->mMethodDef->mGenericParams.size() != 0)
- {
- BF_ASSERT(!ambiguousEntry.mBestMethodGenericArguments.empty());
- }
- mAmbiguousEntries.push_back(ambiguousEntry);
- goto Done;
- }
- }
- if (!isBetter)
- goto Done;
- }
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- auto methodMatchInfo = autoComplete->mMethodMatchInfo;
- // Try to persist with previous partial match, if we have one - this keeps us from locking onto
- // an incorrect method just because it had the current number of params that we've typed so far
- if (methodMatchInfo->mPrevBestIdx == -1)
- {
- methodMatchInfo->mHadExactMatch = true;
- methodMatchInfo->mBestIdx = (int) methodMatchInfo->mInstanceList.size() - 1;
- }
- }
- mAmbiguousEntries.Clear();
- hadMatch = true;
- mBestMethodDef = checkMethod;
- mBestRawMethodInstance = methodInstance;
- for (auto& arg : mArguments)
- arg.mBestBoundType = arg.mTypedValue.mType;
- NoMatch:
- if (!hadMatch)
- {
- if (mBestMethodDef != NULL)
- return false;
- if (checkMethod->mMethodType == BfMethodType_Extension)
- {
- auto thisParam = methodInstance->GetParamType(0);
- auto resolveThisParam = mModule->ResolveGenericType(thisParam, NULL, &mCheckMethodGenericArguments, mModule->mCurTypeInstance);
- if (resolveThisParam == NULL)
- return false;
- if (!mModule->CanCast(mTarget, resolveThisParam,
- ((mBfEvalExprFlags & BfEvalExprFlags_FromConversionOp) != 0) ? (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_NoConversionOperator) : BfCastFlags_Explicit))
- return false;
- }
- if (mBackupMethodDef != NULL)
- {
- int prevParamDiff = (int)mBackupMethodDef->GetExplicitParamCount() - (int)mArguments.size();
- int paramDiff = (int)checkMethod->GetExplicitParamCount() - (int)mArguments.size();
- if ((prevParamDiff < 0) && (prevParamDiff > paramDiff))
- return false;
- if ((prevParamDiff >= 0) && (paramDiff < 0))
- return false;
- if (argMatchCount < mBackupArgMatchCount)
- return false;
- else if (argMatchCount == mBackupArgMatchCount)
- {
- if (curMatchKind < mBackupMatchKind)
- return false;
- // We search from the most specific type, so don't prefer a less specific type
- if (mBestMethodTypeInstance != typeInstance)
- return false;
- }
- }
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- auto methodMatchInfo = autoComplete->mMethodMatchInfo;
- if ((methodMatchInfo->mPrevBestIdx == -1) && (!methodMatchInfo->mHadExactMatch))
- {
- methodMatchInfo->mBestIdx = (int)methodMatchInfo->mInstanceList.size() - 1;
- }
- }
- mBackupMatchKind = curMatchKind;
- mBackupMethodDef = checkMethod;
- mBackupArgMatchCount = argMatchCount;
- // Lie temporarily to store at least one candidate (but mBestMethodDef is still NULL)
- hadMatch = true;
- }
- if (hadMatch)
- {
- mBestMethodTypeInstance = typeInstance;
- if (genericArgumentsSubstitute != &mBestMethodGenericArguments)
- {
- if (genericArgumentsSubstitute != NULL)
- {
- for (auto& genericArg : *genericArgumentsSubstitute)
- genericArg = mModule->FixIntUnknown(genericArg);
- mBestMethodGenericArguments = *genericArgumentsSubstitute;
- // #ifdef _DEBUG
- // for (auto arg : mBestMethodGenericArguments)
- // BF_ASSERT((arg == NULL) || (!arg->IsVar()));
- // #endif
- }
- else
- mBestMethodGenericArguments.clear();
- }
- }
- Done:
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- auto methodMatchInfo = autoComplete->mMethodMatchInfo;
- if (!methodMatchInfo->mInstanceList.IsEmpty())
- {
- auto& matchInstance = methodMatchInfo->mInstanceList[methodMatchInfo->mInstanceList.size() - 1];
- matchInstance.mArgMatchCount = argMatchCount;
- matchInstance.mIsMatch = hadMatch;
- if (genericArgumentsSubstitute != NULL)
- matchInstance.mGenericArguments = *genericArgumentsSubstitute;
- }
- }
- return mBestMethodDef == checkMethod;
- }
- void BfMethodMatcher::FlushAmbiguityError(bool useWarning)
- {
- if (!mAmbiguousEntries.empty())
- {
- if (mModule->PreFail())
- {
- BfError* error;
- if (!mMethodName.empty())
- {
- if (useWarning)
- error = mModule->Warn(0, StrFormat("Ambiguous method call for '%s'", mMethodName.c_str()), mTargetSrc);
- else
- error = mModule->Fail(StrFormat("Ambiguous method call for '%s'", mMethodName.c_str()), mTargetSrc);
- }
- else
- {
- if (useWarning)
- error = mModule->Warn(0, "Ambiguous method call", mTargetSrc);
- else
- error = mModule->Fail("Ambiguous method call", mTargetSrc);
- }
- if (error != NULL)
- {
- BfMethodInstance* bestMethodInstance = mModule->GetUnspecializedMethodInstance(mBestRawMethodInstance, true);
- BfTypeVector* typeGenericArguments = NULL;
- if (mBestMethodTypeInstance->mGenericTypeInfo != NULL)
- typeGenericArguments = &mBestMethodTypeInstance->mGenericTypeInfo->mTypeGenericArguments;
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' is a candidate", mModule->MethodToString(bestMethodInstance, BfMethodNameFlag_ResolveGenericParamNames,
- typeGenericArguments, mBestMethodGenericArguments.empty() ? NULL : &mBestMethodGenericArguments).c_str()),
- bestMethodInstance->mMethodDef->GetRefNode());
- for (auto& ambiguousEntry : mAmbiguousEntries)
- {
- auto typeInstance = ambiguousEntry.mMethodInstance->GetOwner();
- auto unspecTypeMethodInstance = mModule->GetUnspecializedMethodInstance(ambiguousEntry.mMethodInstance, true);
- BfTypeVector* typeGenericArguments = NULL;
- if (typeInstance->mGenericTypeInfo != NULL)
- typeGenericArguments = &typeInstance->mGenericTypeInfo->mTypeGenericArguments;
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' is a candidate", mModule->MethodToString(unspecTypeMethodInstance, BfMethodNameFlag_ResolveGenericParamNames,
- typeGenericArguments, ambiguousEntry.mBestMethodGenericArguments.empty() ? NULL : &ambiguousEntry.mBestMethodGenericArguments).c_str()),
- ambiguousEntry.mMethodInstance->mMethodDef->GetRefNode());
- }
- }
- }
- mAmbiguousEntries.Clear();
- }
- }
- bool BfMethodMatcher::IsType(BfTypedValue& typedVal, BfType* type)
- {
- if (typedVal.mType == type)
- return true;
- if (!typedVal)
- return false;
- if (!typedVal.mType->IsPrimitiveType())
- return false;
- if (!type->IsPrimitiveType())
- return false;
- auto fromPrimType = typedVal.mType->ToPrimitiveType();
- if ((fromPrimType->mTypeDef->mTypeCode != BfTypeCode_IntUnknown) &&
- (fromPrimType->mTypeDef->mTypeCode != BfTypeCode_UIntUnknown))
- return false;
- auto constant = mModule->mBfIRBuilder->GetConstant(typedVal.mValue);
- if (constant == NULL)
- return false;
- auto toPrimType = type->ToPrimitiveType();
- if (!mModule->mBfIRBuilder->IsInt(toPrimType->mTypeDef->mTypeCode))
- return false;
- if (type->mSize == 8)
- return false;
- int64 minVal = -(1LL << (8 * type->mSize - 1));
- int64 maxVal = (1LL << (8 * type->mSize - 1)) - 1;
- if ((constant->mInt64 >= minVal) && (constant->mInt64 <= maxVal))
- return true;
- return false;
- }
- // This method checks all base classes before checking interfaces. Is that correct?
- bool BfMethodMatcher::CheckType(BfTypeInstance* typeInstance, BfTypedValue target, bool isFailurePass, bool forceOuterCheck)
- {
- BfMethodDef* prevBestMethodDef = mBestMethodDef;
- auto curTypeInst = typeInstance;
- auto curTypeDef = typeInstance->mTypeDef;
- int checkInterfaceIdx = 0;
- bool targetIsBase = target.IsBase();
- bool checkExtensionBase = false;
- if (targetIsBase)
- {
- if ((curTypeInst == mModule->mCurTypeInstance) && (curTypeInst->mTypeDef->mIsCombinedPartial))
- {
- checkExtensionBase = true;
- }
- else
- {
- curTypeInst = curTypeInst->mBaseType;
- }
- }
- BfTypeInstance* targetTypeInstance = NULL;
- if (target.mType != NULL)
- targetTypeInstance = target.mType->ToTypeInstance();
- while (true)
- {
- bool doSearch = true;
- if ((mMethodType == BfMethodType_Extension) && (!curTypeDef->mHasExtensionMethods))
- doSearch = false;
- BfMethodDef* nextMethodDef = NULL;
- if (doSearch)
- {
- curTypeDef->PopulateMemberSets();
- BfMemberSetEntry* entry;
- if (curTypeDef->mMethodSet.TryGetWith(mMethodName, &entry))
- nextMethodDef = (BfMethodDef*)entry->mMemberDef;
- }
- BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
- if (target)
- {
- if (mBypassVirtual)
- {
- // Not an "instance lookup"
- }
- else
- {
- protectionCheckFlags = (BfProtectionCheckFlags)(protectionCheckFlags | BfProtectionCheckFlag_InstanceLookup);
- }
- }
- while (nextMethodDef != NULL)
- {
- bool allowExplicitInterface = curTypeInst->IsInterface() && mBypassVirtual;
- auto activeTypeDef = mModule->GetActiveTypeDef();
- auto visibleProjectSet = mModule->GetVisibleProjectSet();
- bool isDelegate = typeInstance->IsDelegate();
- auto checkMethod = nextMethodDef;
- nextMethodDef = nextMethodDef->mNextWithSameName;
- if (mModule->mContext->mResolvingVarField)
- {
- bool isResolvingVarField = false;
- auto checkTypeState = mModule->mContext->mCurTypeState;
- while (checkTypeState != NULL)
- {
- if ((checkTypeState->mResolveKind == BfTypeState::ResolveKind_ResolvingVarType) &&
- (checkTypeState->mType == typeInstance))
- isResolvingVarField = true;
- checkTypeState = checkTypeState->mPrevState;
- }
- if (isResolvingVarField)
- {
- BF_ASSERT(mModule->mBfIRBuilder->mIgnoreWrites);
- // Don't even consider - we can't do method calls on ourselves when we are resolving var fields, because
- // we are not allowed to generate methods when our field types are unknown. We may fix this in the future,
- // but currently it breaks out expected order of operations. One issue is that our call signatures change
- // depending on whether we are valueless or splattable, which depend on underlying type information
- break;
- }
- }
- if ((checkExtensionBase) && (curTypeInst == mModule->mCurTypeInstance))
- {
- // Accept either a method in the same project but that's the root definition, OR a method that's in a dependent project
- bool accept = false;
- if (activeTypeDef->mProject == checkMethod->mDeclaringType->mProject)
- accept = (activeTypeDef->IsExtension()) && (!checkMethod->mDeclaringType->IsExtension());
- else
- accept = activeTypeDef->mProject->ContainsReference(checkMethod->mDeclaringType->mProject);
- if (!accept)
- continue;
- }
- if ((!allowExplicitInterface) && (checkMethod->mExplicitInterface != NULL) && (mInterfaceMethodInstance == NULL))
- {
- continue;
- }
- if (checkMethod->mMethodType != mMethodType)
- continue;
- // if (checkMethod->mName != mMethodName)
- // continue;
- if ((checkMethod->mDeclaringType->IsExtension()) && (mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) &&
- (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoExtensionAttributeTypeDef)))
- {
- mModule->mAttributeState->mUsed = true;
- continue;
- }
- if (!isDelegate)
- {
- if ((!curTypeInst->IsTypeMemberIncluded(checkMethod->mDeclaringType, activeTypeDef, mModule)) ||
- (!curTypeInst->IsTypeMemberAccessible(checkMethod->mDeclaringType, visibleProjectSet)))
- continue;
- }
- MatchFailKind matchFailKind = MatchFailKind_None;
- if (!mModule->CheckProtection(protectionCheckFlags, curTypeInst, checkMethod->mDeclaringType->mProject, checkMethod->mProtection, typeInstance))
- {
- if ((mBypassVirtual) &&
- ((checkMethod->mProtection == BfProtection_Protected) || (checkMethod->mProtection == BfProtection_ProtectedInternal)) &&
- (mModule->TypeIsSubTypeOf(mModule->mCurTypeInstance, typeInstance)))
- {
- // Allow explicit 'base' call
- }
- else
- {
- if (!isFailurePass)
- continue;
- matchFailKind = MatchFailKind_Protection;
- }
- }
- if (mCheckedKind != checkMethod->mCheckedKind)
- {
- bool passes = true;
- if (mCheckedKind != BfCheckedKind_NotSet)
- {
- passes = false;
- }
- else
- {
- auto defaultCheckedKind = mModule->GetDefaultCheckedKind();
- if (defaultCheckedKind != checkMethod->mCheckedKind)
- passes = false;
- }
- if (!passes)
- {
- if (!isFailurePass)
- continue;
- matchFailKind = MatchFailKind_CheckedMismatch;
- }
- }
- CheckMethod(targetTypeInstance, curTypeInst, checkMethod, isFailurePass);
- if ((isFailurePass) &&
- ((mBestMethodDef == checkMethod) || (mBackupMethodDef == checkMethod)))
- mMatchFailKind = matchFailKind;
- }
- if ((mBestMethodDef != NULL) && (mMethodType != BfMethodType_Extension))
- {
- if ((mUsingLists != NULL) && (mUsingLists->mSize != 0))
- mUsingLists->Clear();
- if (mAutoFlushAmbiguityErrors)
- FlushAmbiguityError();
- return true;
- }
- if ((mUsingLists != NULL) && (curTypeInst->mTypeDef->mHasUsingFields))
- mModule->PopulateUsingFieldData(curTypeInst);
- if (mUsingLists != NULL)
- {
- auto _CheckUsingData = [&](BfUsingFieldData* usingData)
- {
- BfUsingFieldData::Entry* entry = NULL;
- if (!usingData->mMethods.TryGetValue(mMethodName, &entry))
- return;
- for (int listIdx = 0; listIdx < entry->mLookups.mSize; listIdx++)
- {
- bool passesProtection = true;
- auto& entryList = entry->mLookups[listIdx];
- for (int entryIdx = 0; entryIdx < entryList.mSize; entryIdx++)
- {
- auto& entry = entryList[entryIdx];
- BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
- if (!mModule->CheckProtection(protectionCheckFlags, entry.mTypeInstance, entry.GetDeclaringType(mModule)->mProject,
- (entryIdx < entryList.mSize - 1) ? entry.GetUsingProtection() : entry.GetProtection(), curTypeInst))
- {
- passesProtection = false;
- break;
- }
- }
- if (!passesProtection)
- continue;
- auto& entry = entryList.back();
- BF_ASSERT(entry.mKind == BfUsingFieldData::MemberRef::Kind_Method);
- auto methodDef = entry.mTypeInstance->mTypeDef->mMethods[entry.mIdx];
- CheckMethod(curTypeInst, entry.mTypeInstance, methodDef, isFailurePass);
- if ((mBestMethodDef != methodDef) && (mBackupMethodDef != methodDef))
- {
- bool foundAmbiguous = false;
- for (int checkIdx = 0; checkIdx < mAmbiguousEntries.mSize; checkIdx++)
- {
- if (mAmbiguousEntries[checkIdx].mMethodInstance->mMethodDef == methodDef)
- {
- mAmbiguousEntries.RemoveAt(checkIdx);
- foundAmbiguous = true;
- break;
- }
- }
- if (!foundAmbiguous)
- continue;
- }
- if (mUsingLists->mSize == 0)
- {
- mUsingLists->Add(&entryList);
- }
- else
- {
- if (entryList.mSize < (*mUsingLists)[0]->mSize)
- {
- // New is shorter
- mUsingLists->Clear();
- mUsingLists->Add(&entryList);
- }
- else if (entryList.mSize > (*mUsingLists)[0]->mSize)
- {
- // Ignore longer
- }
- else
- {
- mUsingLists->Add(&entryList);
- }
- }
- }
- };
- if ((curTypeInst->mTypeInfoEx != NULL) && (curTypeInst->mTypeInfoEx->mUsingFieldData != NULL))
- _CheckUsingData(curTypeInst->mTypeInfoEx->mUsingFieldData);
- if (mBestMethodDef != NULL)
- break;
- }
- auto baseType = curTypeInst->mBaseType;
- if (baseType == NULL)
- {
- //TODO: Why were we doing the interface checking?
- if ((curTypeInst->IsInterface()) && (curTypeInst == target.mType))
- {
- // When we are directly calling on interfaces rather than indirectly matching through binding
- baseType = mModule->mContext->mBfObjectType;
- }
- else if ((curTypeInst != mModule->mContext->mBfObjectType) && (!curTypeInst->IsInterface()))
- {
- // This can happen for structs
- baseType = mModule->mContext->mBfObjectType;
- }
- else if ((typeInstance->IsInterface()) && (checkInterfaceIdx < (int)typeInstance->mInterfaces.size()))
- {
- baseType = typeInstance->mInterfaces[checkInterfaceIdx].mInterfaceType;
- checkInterfaceIdx++;
- }
- else
- {
- break;
- }
- }
- curTypeDef = baseType->mTypeDef;
- curTypeInst = baseType;
- if ((isFailurePass) && (mBackupMethodDef != NULL))
- break;
- }
- if (mBestMethodDef == NULL)
- {
- // FAILED, but select the first method which will fire an actual error on param type matching
- mBestMethodDef = mBackupMethodDef;
- }
- if (((mBestMethodDef == NULL) && (!target) && (mAllowImplicitThis)) ||
- (forceOuterCheck))
- {
- // No explicit target - maybe this was a static call in the outer type?
- auto outerType = mModule->GetOuterType(typeInstance);
- if (outerType != NULL)
- CheckOuterTypeStaticMethods(outerType, isFailurePass);
- }
- if (mAutoFlushAmbiguityErrors)
- FlushAmbiguityError();
- return mBestMethodDef != prevBestMethodDef;
- }
- void BfMethodMatcher::TryDevirtualizeCall(BfTypedValue target, BfTypedValue* origTarget, BfTypedValue* staticResult)
- {
- if ((mBestMethodDef == NULL) || (target.mType == NULL))
- return;
- if ((mModule->mCompiler->IsAutocomplete()) || (mModule->mContext->mResolvingVarField))
- return;
- if ((mModule->mBfIRBuilder->mIgnoreWrites) && (!mBestMethodDef->mIsConcrete) && (!mBestMethodTypeInstance->IsInterface()))
- return;
- if (mBestMethodTypeInstance->IsInterface())
- {
- mModule->PopulateType(mBestMethodTypeInstance, BfPopulateType_DataAndMethods);
- auto activeTypeDef = mModule->GetActiveTypeDef();
- // Statically map this call
- auto checkType = target.mType;
- if (checkType->IsPointer())
- checkType = ((BfPointerType*)checkType)->mElementType;
- if (checkType->IsWrappableType())
- checkType = mModule->GetWrappedStructType(checkType);
- if ((checkType != NULL) && (checkType->IsTypeInstance()) && (!checkType->IsInterface()))
- {
- BfTypeInterfaceEntry* bestIFaceEntry = NULL;
- auto checkTypeInst = checkType->ToTypeInstance();
- if (mBestMethodTypeInstance->IsInstanceOf(mModule->mCompiler->mIHashableTypeDef))
- {
- if ((origTarget != NULL) && (origTarget->mType->IsPointer()) && (staticResult != NULL))
- {
- BfTypedValue ptrVal = mModule->LoadValue(*origTarget);
- *staticResult = BfTypedValue(mModule->mBfIRBuilder->CreatePtrToInt(ptrVal.mValue, BfTypeCode_IntPtr), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- return;
- }
- }
- while (checkTypeInst != NULL)
- {
- mModule->PopulateType(checkTypeInst, BfPopulateType_DataAndMethods);
- if (checkTypeInst->mDefineState >= BfTypeDefineState_DefinedAndMethodsSlotted)
- {
- for (auto&& iface : checkTypeInst->mInterfaces)
- {
- //TODO: Why did we have this check? This caused Dictionary to not be able to devirtualize
- // calls to TKey GetHashCode when TKey was from a user's project...
- /*if (!checkTypeInst->IsTypeMemberAccessible(iface.mDeclaringType, activeTypeDef))
- continue;*/
- if (iface.mInterfaceType == mBestMethodTypeInstance)
- {
- if (bestIFaceEntry == NULL)
- {
- bestIFaceEntry = &iface;
- continue;
- }
- bool isBetter;
- bool isWorse;
- mModule->CompareDeclTypes(NULL, iface.mDeclaringType, bestIFaceEntry->mDeclaringType, isBetter, isWorse);
- if (isBetter == isWorse)
- {
- // Failed
- }
- else
- {
- if (isBetter)
- bestIFaceEntry = &iface;
- }
- }
- }
- }
- if (bestIFaceEntry != NULL)
- break;
- checkTypeInst = checkTypeInst->mBaseType;
- if ((checkTypeInst == NULL) && (checkType->HasWrappedRepresentation()))
- {
- auto underlyingType = checkType->GetUnderlyingType();
- if ((underlyingType != NULL) && (underlyingType->IsWrappableType()))
- checkTypeInst = mModule->GetWrappedStructType(underlyingType);
- if (checkTypeInst == checkType)
- break;
- }
- }
- if (bestIFaceEntry != NULL)
- {
- auto ifaceMethodEntry = checkTypeInst->mInterfaceMethodTable[bestIFaceEntry->mStartInterfaceTableIdx + mBestMethodDef->mIdx];
- BfMethodInstance* bestMethodInstance = ifaceMethodEntry.mMethodRef;
- if (bestMethodInstance != NULL)
- {
- bool isMissingArg = false;
- for (auto genericArg : mBestMethodGenericArguments)
- {
- if (genericArg == NULL)
- isMissingArg = true;
- }
- if (!isMissingArg)
- {
- // Assert error state?
- mBestMethodTypeInstance = ifaceMethodEntry.mMethodRef.mTypeInstance;
- mBestMethodDef = bestMethodInstance->mMethodDef;
- mBestMethodInstance = mModule->GetMethodInstance(mBestMethodTypeInstance, bestMethodInstance->mMethodDef, mBestMethodGenericArguments,
- bestMethodInstance->mIsForeignMethodDef ? BfGetMethodInstanceFlag_ForeignMethodDef : BfGetMethodInstanceFlag_None,
- bestMethodInstance->GetForeignType());
- }
- }
- else
- {
- // Failed
- mFakeConcreteTarget = true;
- }
- }
- }
- }
- if ((target.mType->IsValueType()) && (mBestMethodTypeInstance->IsObject()) && (mBestMethodDef->mIsVirtual))
- {
- auto structType = target.mType->ToTypeInstance();
- if (structType == NULL)
- {
- mModule->InternalError("Invalid type in TryDevirtualizeCall");
- return;
- }
- auto virtualMethodInstance = mModule->GetMethodInstance(mBestMethodTypeInstance, mBestMethodDef, BfTypeVector());
- BF_ASSERT(virtualMethodInstance.mMethodInstance->mVirtualTableIdx != -1);
- BfTypeInstance* boxedType;
- if (structType->HasOverrideMethods())
- {
- // We don't actually need this boxed type, so just resolve it unreified
- auto useModule = mModule->mContext->mUnreifiedModule;
- boxedType = useModule->CreateBoxedType(target.mType);
- useModule->PopulateType(boxedType, BfPopulateType_DataAndMethods);
- useModule->AddDependency(boxedType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_WeakReference);
- }
- else
- {
- boxedType = mModule->mContext->mBfObjectType;
- }
- auto methodRef = boxedType->mVirtualMethodTable[virtualMethodInstance.mMethodInstance->mVirtualTableIdx];
- if (methodRef.mImplementingMethod.mTypeInstance->IsBoxed())
- {
- auto useModule = mModule->mContext->mUnreifiedModule;
- auto boxedMethodInstance = useModule->ReferenceExternalMethodInstance(methodRef.mImplementingMethod);
- BfBoxedType* vBoxedType = (BfBoxedType*)methodRef.mImplementingMethod.mTypeInstance;
- mBestMethodTypeInstance = vBoxedType->mElementType->ToTypeInstance();
- mBestMethodInstance = mModule->GetMethodInstance(mBestMethodTypeInstance, boxedMethodInstance.mMethodInstance->mMethodDef, BfTypeVector());
- mBestMethodDef = mBestMethodInstance.mMethodInstance->mMethodDef;
- }
- else
- {
- mBestMethodTypeInstance = methodRef.mImplementingMethod.mTypeInstance;
- mBestMethodInstance = mModule->ReferenceExternalMethodInstance(methodRef.mImplementingMethod);
- mBestMethodDef = mBestMethodInstance.mMethodInstance->mMethodDef;
- }
- mBypassVirtual = true;
- }
- }
- bool BfMethodMatcher::HasVarGenerics()
- {
- for (auto genericArg : mBestMethodGenericArguments)
- if (genericArg->IsVar())
- return true;
- for (auto genericArg : mExplicitMethodGenericArguments)
- if (genericArg->IsVar())
- return true;
- return false;
- }
- void BfMethodMatcher::CheckOuterTypeStaticMethods(BfTypeInstance* typeInstance, bool isFailurePass)
- {
- bool allowPrivate = true;
- bool allowProtected = true;
- auto curTypeInst = typeInstance;
- auto curTypeDef = typeInstance->mTypeDef;
- while (true)
- {
- curTypeDef->PopulateMemberSets();
- BfMethodDef* nextMethodDef = NULL;
- BfMemberSetEntry* entry;
- if (curTypeDef->mMethodSet.TryGetWith(mMethodName, &entry))
- nextMethodDef = (BfMethodDef*)entry->mMemberDef;
- while (nextMethodDef != NULL)
- {
- auto checkMethod = nextMethodDef;
- nextMethodDef = nextMethodDef->mNextWithSameName;
- // These can only be invoked when the target itself is the interface
- if (checkMethod->mExplicitInterface != NULL)
- continue;
- if ((checkMethod->mMethodType != mMethodType) || (!checkMethod->mIsStatic))
- continue;
- if (checkMethod->mName != mMethodName)
- continue;
- if ((!isFailurePass) && (!mModule->CheckProtection(checkMethod->mProtection, NULL, allowProtected, allowPrivate)))
- continue;
- CheckMethod(typeInstance, curTypeInst, checkMethod, isFailurePass);
- }
- if (mBestMethodDef != NULL)
- return;
- auto baseType = curTypeInst->mBaseType;
- if (baseType == NULL)
- break;
- curTypeDef = baseType->mTypeDef;
- curTypeInst = baseType;
- allowPrivate = false;
- if ((isFailurePass) && (mBackupMethodDef != NULL))
- break;
- }
- if (mBestMethodDef == NULL)
- {
- // FAILED, but select the first method which will fire an actual error on param type matching
- mBestMethodDef = mBackupMethodDef;
- }
- if (mBestMethodDef == NULL)
- {
- // No explicit target - maybe this was a static call in the outer type?
- auto outerType = mModule->GetOuterType(typeInstance);
- if (outerType != NULL)
- CheckOuterTypeStaticMethods(outerType, isFailurePass);
- }
- }
- //////////////////////////////////////////////////////////////////////////
- void BfResolvedArgs::HandleFixits(BfModule* module)
- {
- auto compiler = module->mCompiler;
- if ((!compiler->IsAutocomplete()) || (compiler->mResolvePassData->mResolveType != BfResolveType_GetFixits))
- return;
- SetAndRestoreValue<bool> ignoreErrors(module->mIgnoreErrors, true);
- for (int argIdx = 0; argIdx < (int)mResolvedArgs.size(); argIdx++)
- {
- auto& resolvedArg = mResolvedArgs[argIdx];
- auto expr = BfNodeDynCast<BfExpression>(resolvedArg.mExpression);
- if (expr != NULL)
- {
- module->CreateValueFromExpression(expr, resolvedArg.mExpectedType);
- }
- }
- }
- //////////////////////////////////////////////////////////////////////////
- BfExprEvaluator::BfExprEvaluator(BfModule* module)
- {
- mBfEvalExprFlags = BfEvalExprFlags_None;
- mModule = module;
- mPropDef = NULL;
- mPropSrc = NULL;
- mPropGetMethodFlags = BfGetMethodInstanceFlag_None;
- mPropCheckedKind = BfCheckedKind_NotSet;
- mUsedAsStatement = false;
- mPropDefBypassVirtual = false;
- mExpectingType = NULL;
- mFunctionBindResult = NULL;
- mExplicitCast = false;
- mDeferCallData = NULL;
- mPrefixedAttributeState = NULL;
- mResolveGenericParam = true;
- mNoBind = false;
- mResultLocalVar = NULL;
- mResultFieldInstance = NULL;
- mResultLocalVarField = 0;
- mResultLocalVarFieldCount = 0;
- mResultLocalVarRefNode = NULL;
- mIsVolatileReference = false;
- mIsHeapReference = false;
- mResultIsTempComposite = false;
- mAllowReadOnlyReference = false;
- mInsidePendingNullable = false;
- mReceivingValue = NULL;
- }
- BfExprEvaluator::~BfExprEvaluator()
- {
- }
- BfAutoComplete* BfExprEvaluator::GetAutoComplete()
- {
- if (mModule->mCompiler->mResolvePassData == NULL)
- return NULL;
- if ((mBfEvalExprFlags & BfEvalExprFlags_NoAutoComplete) != 0)
- return NULL;
- // For local methods- only process autocomplete on capture phase
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (!mModule->mCurMethodState->mClosureState->mCapturing))
- return NULL;
- // if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mMethodDef->mIsLocalMethod))
- // return NULL;
- return mModule->mCompiler->mResolvePassData->mAutoComplete;
- }
- bool BfExprEvaluator::IsComptime()
- {
- return (mModule->mIsComptimeModule) || ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
- }
- bool BfExprEvaluator::IsConstEval()
- {
- return ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
- }
- bool BfExprEvaluator::IsComptimeEntry()
- {
- if (mModule->mIsComptimeModule)
- return false;
- return ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
- }
- int BfExprEvaluator::GetStructRetIdx(BfMethodInstance* methodInstance, bool forceStatic)
- {
- if (IsComptime())
- return -1;
- return methodInstance->GetStructRetIdx(forceStatic);
- }
- BfType* BfExprEvaluator::BindGenericType(BfAstNode* node, BfType* bindType)
- {
- if ((mModule->mCurMethodState == NULL) || (mModule->mCurMethodInstance == NULL) || (bindType == NULL))
- return bindType;
- if ((mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
- return bindType;
- if ((mBfEvalExprFlags & BfEvalExprFlags_DeclType) != 0)
- return bindType;
- BF_ASSERT((!mModule->mCurMethodInstance->mIsUnspecializedVariation) || (mModule->mIsComptimeModule));
- auto parser = node->GetSourceData()->ToParserData();
- if (parser == NULL)
- return bindType;
- int64 nodeId = ((int64)parser->mDataId << 32) + node->GetSrcStart();
- auto genericTypeBindings = mModule->mCurMethodState->GetRootMethodState()->mGenericTypeBindings;
- auto methodInstance = mModule->mCurMethodInstance;
- bool isMixinBind = false;
- if (mModule->mCurMethodState->mMixinState != NULL)
- {
- auto mixinMethodInstance = mModule->mCurMethodState->mMixinState->mMixinMethodInstance;
- if (!mixinMethodInstance->mMethodDef->mGenericParams.IsEmpty())
- {
- auto unspecMixinMethodInstance = mModule->GetUnspecializedMethodInstance(mixinMethodInstance, false);
- if (!unspecMixinMethodInstance->mHasBeenProcessed)
- {
- // Make sure the unspecialized method is processed so we can take its bindings
- // Clear mCurMethodState so we don't think we're in a local method
- SetAndRestoreValue<BfMethodState*> prevMethodState_Unspec(mModule->mCurMethodState, NULL);
- if (unspecMixinMethodInstance->mMethodProcessRequest == NULL)
- unspecMixinMethodInstance->mDeclModule->mIncompleteMethodCount++;
- mModule->mContext->ProcessMethod(unspecMixinMethodInstance);
- }
- isMixinBind = true;
- methodInstance = mixinMethodInstance;
- genericTypeBindings = &unspecMixinMethodInstance->mMethodInfoEx->mGenericTypeBindings;
- }
- }
- if ((methodInstance->mIsUnspecialized) && (!methodInstance->mIsUnspecializedVariation))
- {
- if (isMixinBind)
- return bindType;
- if (!bindType->IsGenericParam())
- return bindType;
- if (genericTypeBindings == NULL)
- return bindType;
- (*genericTypeBindings)[nodeId] = bindType;
- return bindType;
- }
- else
- {
- if (genericTypeBindings == NULL)
- return bindType;
- BfType** typePtr = NULL;
- if (genericTypeBindings->TryGetValue(nodeId, &typePtr))
- return *typePtr;
- return bindType;
- }
- }
- BfType * BfExprEvaluator::ResolveTypeRef(BfTypeReference* typeRef, BfPopulateType populateType, BfResolveTypeRefFlags resolveFlags)
- {
- if (mExpectingType != NULL)
- {
- if (auto namedTypeRef = BfNodeDynCastExact<BfNamedTypeReference>(typeRef))
- {
- if (namedTypeRef->ToString() == "ExpectedType")
- {
- return mModule->ResolveTypeResult(typeRef, mExpectingType, populateType, resolveFlags);
- }
- }
- }
- return mModule->ResolveTypeRef(typeRef, populateType, resolveFlags);
- }
- void BfExprEvaluator::ResolveGenericType()
- {
- if (mResult)
- {
- if (mModule->IsUnboundGeneric(mResult.mType))
- mResult.mType = mModule->GetPrimitiveType(BfTypeCode_Var);
- //mResult.mType = mModule->ResolveGenericType(mResult.mType, true);
- }
- }
- void BfExprEvaluator::Evaluate(BfAstNode* astNode, bool propogateNullConditional, bool ignoreNullConditional, bool allowSplat)
- {
- BP_ZONE("BfExprEvaluator::Evaluate");
- // ParenthesizedExpression breaks null conditional chain
- if (astNode->IsExact<BfParenthesizedExpression>())
- propogateNullConditional = false;
- bool scopeWasConditional = false;
- BfPendingNullConditional* pendingNullCond = NULL;
- mInsidePendingNullable = false;
- if (mModule->mCurMethodState != NULL)
- {
- scopeWasConditional = mModule->mCurMethodState->mCurScope->mIsConditional;
- pendingNullCond = mModule->mCurMethodState->mPendingNullConditional;
- if (!propogateNullConditional)
- mModule->mCurMethodState->mPendingNullConditional = NULL;
- if (pendingNullCond != NULL)
- {
- mInsidePendingNullable = true;
- mModule->mCurMethodState->mCurScope->mIsConditional = true;
- }
- }
- astNode->Accept(this);
- GetResult();
- if ((mResultIsTempComposite) && (mResult.IsAddr()))
- mResult.mKind = BfTypedValueKind_TempAddr;
- if ((!allowSplat) && (mResult.IsSplat()))
- mResult = mModule->AggregateSplat(mResult);
- if ((mBfEvalExprFlags & BfEvalExprFlags_AllowIntUnknown) == 0)
- mModule->FixIntUnknown(mResult);
- if (!mModule->mBfIRBuilder->mIgnoreWrites)
- {
- if (mResult.mValue.IsConst())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(mResult.mValue);
- if (constant->mConstType == BfConstType_TypeOf)
- {
- auto typeOfConst = (BfTypeOf_Const*)constant;
- mResult.mValue = mModule->CreateTypeDataRef(typeOfConst->mType);
- }
- }
- }
- if (mModule->mCurMethodState != NULL)
- {
- if (mInsidePendingNullable)
- mModule->mCurMethodState->mCurScope->mIsConditional = scopeWasConditional;
- if (!propogateNullConditional)
- {
- if (mModule->mCurMethodState->mPendingNullConditional != NULL)
- mResult = mModule->FlushNullConditional(mResult, ignoreNullConditional);
- mModule->mCurMethodState->mPendingNullConditional = pendingNullCond;
- }
- }
- }
- void BfExprEvaluator::Visit(BfErrorNode* errorNode)
- {
- mModule->Fail("Invalid token", errorNode);
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- {
- if (auto tokenNode = BfNodeDynCast<BfTokenNode>(errorNode->mRefNode))
- return;
- autoComplete->CheckIdentifier(errorNode->mRefNode, true);
- }
- }
- void BfExprEvaluator::Visit(BfTypeReference* typeRef)
- {
- mResult.mType = ResolveTypeRef(typeRef, BfPopulateType_Declaration);
- }
- void BfExprEvaluator::Visit(BfAttributedExpression* attribExpr)
- {
- BfAttributeState attributeState;
- attributeState.mSrc = attribExpr->mAttributes;
- attributeState.mTarget = (BfAttributeTargets)(BfAttributeTargets_Invocation | BfAttributeTargets_MemberAccess);
- if (auto block = BfNodeDynCast<BfBlock>(attribExpr->mExpression))
- attributeState.mTarget = BfAttributeTargets_Block;
- attributeState.mCustomAttributes = mModule->GetCustomAttributes(attribExpr->mAttributes, attributeState.mTarget);
- SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
- if (auto ignoreErrorsAttrib = attributeState.mCustomAttributes->Get(mModule->mCompiler->mIgnoreErrorsAttributeTypeDef))
- {
- SetAndRestoreValue<bool> ignoreErrors(mModule->mIgnoreErrors, true);
- if (!ignoreErrorsAttrib->mCtorArgs.IsEmpty())
- {
- auto constant = mModule->mCurTypeInstance->mConstHolder->GetConstant(ignoreErrorsAttrib->mCtorArgs[0]);
- if (constant->mBool)
- attributeState.mFlags = BfAttributeState::Flag_StopOnError;
- }
- VisitChild(attribExpr->mExpression);
- attributeState.mUsed = true;
- if ((!mResult) ||
- ((mResult) && (mResult.mType->IsVar())))
- {
- if (!mResult)
- mModule->Fail("Expression did not result in a value", attribExpr->mExpression);
- // Make empty or 'var' resolve as 'false' because var is only valid if we threw errors
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Boolean));
- }
- }
- else if (attributeState.mCustomAttributes->Contains(mModule->mCompiler->mConstSkipAttributeTypeDef))
- {
- if ((mModule->mCurMethodState == NULL) || (mModule->mCurMethodState->mCurScope == NULL) || (!mModule->mCurMethodState->mCurScope->mInConstIgnore))
- {
- VisitChild(attribExpr->mExpression);
- }
- else
- {
- BF_ASSERT(mModule->mBfIRBuilder->mIgnoreWrites);
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- }
- attributeState.mUsed = true;
- }
- else
- {
- VisitChild(attribExpr->mExpression);
- }
- mModule->FinishAttributeState(&attributeState);
- }
- void BfExprEvaluator::Visit(BfNamedExpression* namedExpr)
- {
- if (namedExpr->mExpression != NULL)
- VisitChild(namedExpr->mExpression);
- }
- void BfExprEvaluator::Visit(BfBlock* blockExpr)
- {
- if (mModule->mCurMethodState == NULL)
- {
- mModule->Fail("Illegal use of block expression", blockExpr);
- return;
- }
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->mMethodMatchInfo != NULL) && (autoComplete->IsAutocompleteNode(blockExpr)))
- {
- // Don't show outer method match info when our cursor is inside a block (being passed as a parameter)
- autoComplete->RemoveMethodMatchInfo();
- }
- if (blockExpr->mChildArr.IsEmpty())
- {
- mModule->Fail("An empty block cannot be used as an expression", blockExpr);
- return;
- }
- bool lastWasResultExpr = false;
- if (auto lastExpr = BfNodeDynCast<BfExpressionStatement>(blockExpr->mChildArr.GetLast()))
- {
- if (!lastExpr->IsMissingSemicolon())
- mModule->Fail("Expression blocks must end in an expression which is missing its terminating semicolon", lastExpr->mTrailingSemicolon);
- }
- else if (blockExpr->mChildArr.GetLast()->IsExpression())
- {
- // Expression
- }
- else
- {
- mModule->Fail("Expression blocks must end with an expression", blockExpr);
- }
- mModule->VisitEmbeddedStatement(blockExpr, this, BfNodeIsA<BfUnscopedBlock>(blockExpr) ? BfEmbeddedStatementFlags_Unscoped : BfEmbeddedStatementFlags_None);
- }
- bool BfExprEvaluator::CheckVariableDeclaration(BfAstNode* checkNode, bool requireSimpleIfExpr, bool exprMustBeTrue, bool silentFail)
- {
- if (BfNodeIsA<BfUninitializedExpression>(checkNode))
- return true;
- BfAstNode* checkChild = checkNode;
- bool childWasAndRHS = false;
- bool foundIf = false;
- auto parentNodeEntry = mModule->mParentNodeEntry;
- if (parentNodeEntry != NULL)
- {
- if (BfNodeIsA<BfInvocationExpression>(parentNodeEntry->mNode))
- {
- checkChild = parentNodeEntry->mNode;
- parentNodeEntry = parentNodeEntry->mPrev;
- }
- }
- auto _Fail = [&](const StringImpl& errorStr, BfAstNode* node)
- {
- if (!silentFail)
- {
- auto error = mModule->Fail(errorStr, node);
- if ((error != NULL) && (node != checkNode))
- {
- mModule->mCompiler->mPassInstance->MoreInfo("See variable declaration", checkNode);
- }
- }
- return false;
- };
- while (parentNodeEntry != NULL)
- {
- BfAstNode* checkParent = parentNodeEntry->mNode;
- if (auto binOpExpr = BfNodeDynCastExact<BfBinaryOperatorExpression>(checkParent))
- {
- if (binOpExpr->mOp == BfBinaryOp_ConditionalAnd)
- {
- // This is always okay
- childWasAndRHS = (binOpExpr->mRight != NULL) && (binOpExpr->mRight->Contains(checkChild));
- }
- else if ((binOpExpr->mOp == BfBinaryOp_ConditionalOr) && (!exprMustBeTrue))
- {
- if ((binOpExpr->mRight != NULL) && (binOpExpr->mRight->Contains(checkChild)))
- {
- return _Fail("Conditional short-circuiting may skip variable initialization", binOpExpr->mOpToken);
- }
- }
- else
- {
- if (exprMustBeTrue)
- {
- return _Fail("Operator cannot be used with variable initialization", binOpExpr->mOpToken);
- }
- }
- }
- else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(checkParent))
- {
- // This is okay
- }
- else if (auto unaryOp = BfNodeDynCast<BfUnaryOperatorExpression>(checkParent))
- {
- if (exprMustBeTrue)
- {
- return _Fail("Operator cannot be used with variable initialization", unaryOp->mOpToken);
- return false;
- }
- if (childWasAndRHS)
- {
- return _Fail("Operator may allow conditional short-circuiting to skip variable initialization", unaryOp->mOpToken);
- }
- }
- else if (auto ifStmt = BfNodeDynCast<BfIfStatement>(checkParent))
- {
- // Done
- foundIf = true;
- break;
- }
- else
- {
- if (requireSimpleIfExpr)
- {
- return _Fail("Variable declaration expression can only be contained in simple 'if' expressions", checkNode);
- }
- break;
- }
- checkChild = parentNodeEntry->mNode;
- parentNodeEntry = parentNodeEntry->mPrev;
- }
- return foundIf;
- }
- bool BfExprEvaluator::HasVariableDeclaration(BfAstNode* checkNode)
- {
- BfVarDeclChecker checker;
- checker.VisitChild(checkNode);
- return checker.mHasVarDecl;
- }
- void BfExprEvaluator::Visit(BfVariableDeclaration* varDecl)
- {
- mModule->UpdateExprSrcPos(varDecl);
- if ((mModule->mCurMethodState == NULL) || (!mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations))
- {
- mModule->Fail("Variable declarations are not allowed in this context", varDecl);
- if (varDecl->mInitializer != NULL)
- {
- VisitChild(varDecl->mInitializer);
- }
- return;
- }
- CheckVariableDeclaration(varDecl, true, false, false);
- if (varDecl->mInitializer == NULL)
- {
- mModule->Fail("Variable declarations used as expressions must have an initializer", varDecl);
- }
- BfTupleExpression* tupleVariableDeclaration = BfNodeDynCast<BfTupleExpression>(varDecl->mNameNode);
- if (tupleVariableDeclaration != NULL)
- {
- mModule->Fail("Tuple variable declarations cannot be used as expressions", varDecl);
- mModule->HandleTupleVariableDeclaration(varDecl);
- }
- else
- mModule->HandleVariableDeclaration(varDecl, this);
- }
- void BfExprEvaluator::DoCaseExpression(BfTypedValue caseValAddr, BfCaseExpression* caseExpr)
- {
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mDeferredLocalAssignData != NULL))
- mModule->mCurMethodState->mDeferredLocalAssignData->BreakExtendChain();
- if (auto bindExpr = BfNodeDynCast<BfEnumCaseBindExpression>(caseExpr->mCaseExpression))
- {
- if (caseValAddr)
- {
- BfTypedValue enumTagVal;
- if (caseValAddr.mType->IsPayloadEnum())
- {
- int dscrDataIdx;
- auto dscrType = caseValAddr.mType->ToTypeInstance()->GetDiscriminatorType(&dscrDataIdx);
- enumTagVal = BfTypedValue(mModule->ExtractValue(caseValAddr, dscrDataIdx), dscrType);
- }
- else
- enumTagVal = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Int32));
- mResult = mModule->HandleCaseBind(caseValAddr, enumTagVal, bindExpr);
- return;
- }
- }
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- bool isPayloadEnum = (caseValAddr.mType != NULL) && (caseValAddr.mType->IsPayloadEnum());
- auto tupleExpr = BfNodeDynCast<BfTupleExpression>(caseExpr->mCaseExpression);
- if ((caseValAddr) &&
- ((isPayloadEnum) || (tupleExpr != NULL)))
- {
- bool hasVariable = false;
- bool hasOut = false;
- bool clearOutOnMismatch = false;
- if (auto invocateExpr = BfNodeDynCast<BfInvocationExpression>(caseExpr->mCaseExpression))
- {
- for (auto arg : invocateExpr->mArguments)
- {
- if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(arg))
- {
- hasVariable = true;
- }
- else if (auto unaryOpExpr = BfNodeDynCast<BfUnaryOperatorExpression>(arg))
- {
- if ((unaryOpExpr->mOpToken != NULL) && (unaryOpExpr->mOpToken->mToken == BfToken_Out))
- {
- hasOut = true;
- }
- }
- }
- }
- if (hasVariable)
- {
- CheckVariableDeclaration(caseExpr, false, false, false);
- }
- // We can avoid clearing on mismatch if we can be sure we ONLY enter the true block on a match.
- // An example of requiring clearing is: if ((result case .Ok(out val)) || (force))
- if (hasOut)
- clearOutOnMismatch = !CheckVariableDeclaration(caseExpr, true, true, true);
-
- bool hadConditional = false;
- if (isPayloadEnum)
- {
- int dscrDataIdx;
- auto dscrType = caseValAddr.mType->ToTypeInstance()->GetDiscriminatorType(&dscrDataIdx);
- auto enumTagVal = mModule->LoadValue(mModule->ExtractValue(caseValAddr, NULL, 2));
- int uncondTagId = -1;
- mResult = mModule->TryCaseEnumMatch(caseValAddr, enumTagVal, caseExpr->mCaseExpression, NULL, NULL, NULL, uncondTagId, hadConditional, clearOutOnMismatch, false);
- }
- else
- {
- mResult = mModule->TryCaseTupleMatch(caseValAddr, tupleExpr, NULL, NULL, NULL, hadConditional, clearOutOnMismatch, false);
- }
- if (mResult)
- return;
- }
- if ((caseValAddr) && (IsVar(caseValAddr.mType)))
- {
- auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(caseExpr->mCaseExpression);
- if (invocationExpr != NULL)
- {
- for (auto expr : invocationExpr->mArguments)
- {
- if (expr == NULL)
- continue;
- if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(expr))
- {
- auto localVar = mModule->HandleVariableDeclaration(varDecl, BfTypedValue());
- if (localVar != NULL)
- localVar->mReadFromId = 0;
- }
- }
- }
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- mResult = mModule->GetDefaultTypedValue(boolType);
- return;
- }
- BfTypedValue caseMatch;
- if (caseExpr->mCaseExpression != NULL)
- caseMatch = mModule->CreateValueFromExpression(caseExpr->mCaseExpression, caseValAddr.mType, BfEvalExprFlags_AllowEnumId);
- if ((!caseMatch) || (!caseValAddr))
- {
- mResult = mModule->GetDefaultTypedValue(boolType);
- return;
- }
- if (caseValAddr.mType == caseMatch.mType)
- {
- if (((caseValAddr.mType->IsEnum()) && (caseValAddr.mType->IsStruct())) &&
- ((caseMatch) && (caseMatch.mType->IsPayloadEnum()) && (caseMatch.mValue.IsConst())))
- {
- BfTypedValue enumTagVal = mModule->LoadValue(mModule->ExtractValue(caseValAddr, NULL, 2));
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(enumTagVal.mValue, caseMatch.mValue), boolType);
- return;
- }
- }
- else
- {
- // We need to get rid of the int-const for the 'scalar match'. We get a full payload enum value so we can
- // possibly use it in a user-defined comparison operator
- if ((caseMatch.mType->IsStruct()) && (caseMatch.mValue.IsConst()))
- {
- // Is it possible this could throw an error twice? Hope not.
- caseMatch = mModule->CreateValueFromExpression(caseExpr->mCaseExpression, NULL, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- }
- }
- PerformBinaryOperation(caseExpr->mCaseExpression, caseExpr->mValueExpression, BfBinaryOp_Equality, caseExpr->mEqualsNode, BfBinOpFlag_None, caseValAddr, caseMatch);
- }
- void BfExprEvaluator::Visit(BfCaseExpression* caseExpr)
- {
- if (caseExpr->mEqualsNode != NULL)
- {
- mModule->Warn(0, "Deprecated case syntax", caseExpr->mEqualsNode);
- }
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- BfTypedValue caseValAddr;
- if (caseExpr->mValueExpression != NULL)
- caseValAddr = mModule->CreateValueFromExpression(caseExpr->mValueExpression, NULL, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- if ((caseValAddr.mType != NULL) && (caseValAddr.mType->IsPointer()))
- {
- caseValAddr = mModule->LoadValue(caseValAddr);
- caseValAddr = BfTypedValue(caseValAddr.mValue, caseValAddr.mType->GetUnderlyingType(), true);
- }
- BfIRValue hasValueValue;
- if (caseValAddr.mType != NULL)
- mModule->mBfIRBuilder->PopulateType(caseValAddr.mType);
- if ((caseValAddr.mType != NULL) && (caseValAddr.mType->IsNullable()))
- {
- auto nullableElementType = caseValAddr.mType->GetUnderlyingType();
- hasValueValue = mModule->ExtractValue(caseValAddr, nullableElementType->IsValuelessType() ? 1 : 2);
- if (!nullableElementType->IsValuelessType())
- caseValAddr = BfTypedValue(mModule->ExtractValue(caseValAddr, 1), nullableElementType); // value
- else
- caseValAddr = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), nullableElementType);
- }
- BfIRBlock nullBB;
- BfIRBlock endBB;
- if (hasValueValue)
- {
- auto caseBB = mModule->mBfIRBuilder->CreateBlock("caseexpr.case");
- endBB = mModule->mBfIRBuilder->CreateBlock("caseexpr.end");
-
- mModule->mBfIRBuilder->CreateCondBr(hasValueValue, caseBB, endBB);
- nullBB = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->mBfIRBuilder->AddBlock(caseBB);
- mModule->mBfIRBuilder->SetInsertPoint(caseBB);
- }
- DoCaseExpression(caseValAddr, caseExpr);
- if (!mResult)
- mResult = mModule->GetDefaultTypedValue(boolType);
- else
- {
- BF_ASSERT(mResult.mType == boolType);
- }
- if (hasValueValue)
- {
- auto endCaseBB = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->mBfIRBuilder->CreateBr(endBB);
- mModule->mBfIRBuilder->AddBlock(endBB);
- mModule->mBfIRBuilder->SetInsertPoint(endBB);
- auto phiValue = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(boolType), 2);
- mModule->mBfIRBuilder->AddPhiIncoming(phiValue, mModule->GetDefaultValue(boolType), nullBB);
- mModule->mBfIRBuilder->AddPhiIncoming(phiValue, mResult.mValue, endCaseBB);
- mResult = BfTypedValue(phiValue, boolType);
- }
- if (caseExpr->mNotToken != NULL)
- mResult.mValue = mModule->mBfIRBuilder->CreateNot(mResult.mValue);
- }
- void BfExprEvaluator::Visit(BfTypedValueExpression* typedValueExpr)
- {
- mResult = typedValueExpr->mTypedValue;
- }
- static bool IsCharType(BfTypeCode typeCode)
- {
- switch (typeCode)
- {
- case BfTypeCode_Char8:
- case BfTypeCode_Char16:
- case BfTypeCode_Char32:
- return true;
- default:
- return false;
- }
- }
- bool BfExprEvaluator::CheckForMethodName(BfAstNode* refNode, BfTypeInstance* typeInst, const StringImpl& findName)
- {
- BF_ASSERT((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0);
- auto autoComplete = GetAutoComplete();
- while (typeInst != NULL)
- {
- auto typeDef = typeInst->mTypeDef;
- typeDef->PopulateMemberSets();
- BfMemberSetEntry* memberSetEntry;
- if (typeDef->mMethodSet.TryGetWith(findName, &memberSetEntry))
- {
- if (mModule->mCompiler->mResolvePassData != NULL)
- mModule->mCompiler->mResolvePassData->HandleMethodReference(refNode, typeDef, (BfMethodDef*)memberSetEntry->mMemberDef);
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(refNode)))
- {
- autoComplete->SetDefinitionLocation(((BfMethodDef*)memberSetEntry->mMemberDef)->GetRefNode());
- if ((autoComplete->mResolveType == BfResolveType_GetSymbolInfo) && (autoComplete->mDefType == NULL))
- {
- autoComplete->mDefType = typeDef;
- autoComplete->mDefMethod = (BfMethodDef*)memberSetEntry->mMemberDef;
- }
- }
- if (mModule->mCompiler->mResolvePassData != NULL)
- {
- if (auto sourceClassifier = mModule->mCompiler->mResolvePassData->GetSourceClassifier(refNode))
- sourceClassifier->SetElementType(refNode, BfSourceElementType_Method);
- }
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NameOfSuccess);
- return true;
- }
- typeInst = typeInst->mBaseType;
- }
- return false;
- }
- bool BfExprEvaluator::IsVar(BfType* type, bool forceIgnoreWrites)
- {
- if (type->IsVar())
- return true;
- if ((type->IsGenericParam()) && (!forceIgnoreWrites) && (!mModule->mBfIRBuilder->mIgnoreWrites))
- {
- BF_ASSERT(mModule->mIsComptimeModule);
- return true;
- }
- return false;
- }
- void BfExprEvaluator::GetLiteral(BfAstNode* refNode, const BfVariant& variant, BfType* type)
- {
- switch (variant.mTypeCode)
- {
- case BfTypeCode_NullPtr:
- {
- auto nullType = mModule->ResolveTypeDef(mModule->mSystem->mTypeNullPtr);
- /*mResult = BfTypedValue(ConstantPointerNull::get((PointerType*) nullType->mIRType), nullType);*/
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConstNull(), nullType);
- }
- break;
- case BfTypeCode_CharPtr:
- {
- if ((mExpectingType != NULL) && (mExpectingType->IsSizedArray()))
- {
- auto sizedArray = (BfSizedArrayType*)mExpectingType;
- if (sizedArray->mElementType == mModule->GetPrimitiveType(BfTypeCode_Char8))
- {
- if (sizedArray->IsUndefSizedArray())
- sizedArray = mModule->CreateSizedArrayType(sizedArray->mElementType, variant.mString->GetLength());
- if (variant.mString->GetLength() > sizedArray->mElementCount)
- {
- mModule->Fail(StrFormat("String literal is too long to fit into '%s'", mModule->TypeToString(sizedArray).c_str()), refNode);
- }
- Array<BfIRValue> charValues;
- for (int i = 0; i < (int)BF_MIN(variant.mString->GetLength(), sizedArray->mElementCount); i++)
- {
- char c = (*variant.mString)[i];
- charValues.Add(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Char8, (int)(uint8)c));
- }
- if (sizedArray->mElementCount > charValues.size())
- charValues.Add(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Char8, 0));
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(sizedArray), charValues), sizedArray);
- return;
- }
- }
- if ((mExpectingType == NULL) || (!mExpectingType->IsPointer()))
- {
- mResult = BfTypedValue(mModule->GetStringObjectValue(*variant.mString),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- else
- {
- auto charType = mModule->GetPrimitiveType(BfTypeCode_Char8);
- auto charPtrType = mModule->CreatePointerType(charType);
- mResult = BfTypedValue(mModule->GetStringCharPtr(*variant.mString),
- charPtrType);
- }
- }
- break;
- case BfTypeCode_Boolean:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mUInt64), mModule->GetPrimitiveType(variant.mTypeCode));
- break;
- case BfTypeCode_Char8:
- case BfTypeCode_Char16:
- case BfTypeCode_Char32:
- case BfTypeCode_Int8:
- case BfTypeCode_UInt8:
- case BfTypeCode_Int16:
- case BfTypeCode_UInt16:
- case BfTypeCode_Int32:
- case BfTypeCode_UInt32:
- case BfTypeCode_Int64:
- case BfTypeCode_UInt64:
- case BfTypeCode_IntPtr:
- case BfTypeCode_UIntPtr:
- case BfTypeCode_IntUnknown:
- case BfTypeCode_UIntUnknown:
- if ((mExpectingType != NULL) && (mExpectingType->IsIntegral()) && (mExpectingType->IsChar() == IsCharType(variant.mTypeCode)))
- {
- auto primType = (BfPrimitiveType*)mExpectingType;
- if (mModule->mSystem->DoesLiteralFit(primType->mTypeDef->mTypeCode, variant.mUInt64))
- {
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, variant.mUInt64), mExpectingType);
- break;
- }
- }
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mUInt64), mModule->GetPrimitiveType(variant.mTypeCode));
- break;
- case BfTypeCode_Float:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mSingle), mModule->GetPrimitiveType(variant.mTypeCode));
- break;
- case BfTypeCode_Double:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mDouble), mModule->GetPrimitiveType(variant.mTypeCode));
- break;
- case BfTypeCode_StringId:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(variant.mTypeCode, variant.mUInt64), mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- break;
- case BfTypeCode_Let:
- if (mExpectingType != NULL)
- {
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(mExpectingType)), mExpectingType);
- break;
- }
- mModule->Fail("Invalid undef literal", refNode);
- break;
- case BfTypeCode_Struct:
- if (type != NULL)
- {
- BfVariant::StructData* structData = (BfVariant::StructData*)variant.mPtr;
- mResult = BfTypedValue(mModule->mBfIRBuilder->ReadConstant(structData->mData, type), type);
- }
- break;
- default:
- mModule->Fail("Invalid literal", refNode);
- break;
- }
- }
- void BfExprEvaluator::Visit(BfLiteralExpression* literalExpr)
- {
- switch (literalExpr->mValue.mWarnType)
- {
- case BfWarning_BF4201_Only7Hex:
- mModule->Warn(BfWarning_BF4201_Only7Hex, "Only 7 hex digits specified. Add a leading zero to clarify intention.", literalExpr);
- break;
- case BfWarning_BF4202_TooManyHexForInt:
- mModule->Warn(BfWarning_BF4202_TooManyHexForInt, "Nine hex digits specified. If an 8-digit hex literal was not intended then add a leading zero to clarify.", literalExpr);
- break;
- }
- GetLiteral(literalExpr, literalExpr->mValue);
- }
- void BfExprEvaluator::Visit(BfStringInterpolationExpression* stringInterpolationExpression)
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_StringInterpolateFormat) != 0)
- {
- BfVariant variant;
- variant.mTypeCode = BfTypeCode_CharPtr;
- variant.mString = stringInterpolationExpression->mString;
- GetLiteral(stringInterpolationExpression, variant);
- return;
- }
- //
- {
- SetAndRestoreValue<BfEvalExprFlags> prevEvalExprFlag(mBfEvalExprFlags);
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mConstEvalAttributeTypeDef)))
- {
- mModule->mAttributeState->mUsed = true;
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
- }
- if (IsConstEval())
- {
- auto stringType = mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef);
- if (stringType != NULL)
- {
- SetAndRestoreValue<bool> prevUsedAsStatement(mUsedAsStatement, true);
- SizedArray<BfExpression*, 2> argExprs;
- argExprs.Add(stringInterpolationExpression);
- BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
- BfResolvedArgs argValues(&sizedArgExprs);
- ResolveArgValues(argValues, BfResolveArgsFlag_InsideStringInterpolationAlloc);
- auto result = MatchMethod(stringInterpolationExpression, NULL, BfTypedValue(stringType), false, false, "ConstF", argValues, BfMethodGenericArguments());
- if (result.mType == stringType)
- {
- mResult = result;
- return;
- }
- }
- mModule->Fail("Const evaluation of string interpolation not allowed", stringInterpolationExpression);
- }
- }
- if (stringInterpolationExpression->mAllocNode != NULL)
- {
- auto stringType = mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef)->ToTypeInstance();
- BfTokenNode* newToken = NULL;
- BfAllocTarget allocTarget;
- ResolveAllocTarget(allocTarget, stringInterpolationExpression->mAllocNode, newToken);
- //
- {
- SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete));
- CreateObject(NULL, stringInterpolationExpression->mAllocNode, stringType, NULL);
- }
- BfTypedValue newString = mResult;
- BF_ASSERT(newString);
- SetAndRestoreValue<bool> prevUsedAsStatement(mUsedAsStatement, true);
- SizedArray<BfExpression*, 2> argExprs;
- argExprs.Add(stringInterpolationExpression);
- BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
- BfResolvedArgs argValues(&sizedArgExprs);
- ResolveArgValues(argValues, BfResolveArgsFlag_InsideStringInterpolationAlloc);
- MatchMethod(stringInterpolationExpression, NULL, newString, false, false, "AppendF", argValues, BfMethodGenericArguments());
- mResult = newString;
- return;
- }
- mModule->Fail("Invalid use of string interpolation expression. Consider adding an allocation specifier such as 'scope'.", stringInterpolationExpression);
- for (auto block : stringInterpolationExpression->mExpressions)
- {
- VisitChild(block);
- }
- }
- BfTypedValue BfExprEvaluator::LoadLocal(BfLocalVariable* varDecl, bool allowRef)
- {
- if (!mModule->mIsInsideAutoComplete)
- varDecl->mReadFromId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- // The Beef backend prefers readonly addrs since that reduces register pressure, whereas
- // LLVM prefers values to avoid memory loads. This only applies to primitive types...
- bool preferValue = (varDecl->mResolvedType->IsPrimitiveType()) && (!mModule->IsTargetingBeefBackend());
- BfTypedValue localResult;
- if (varDecl->mIsThis)
- {
- return mModule->GetThis();
- }
- else if (varDecl->mConstValue)
- {
- localResult = BfTypedValue(varDecl->mConstValue, varDecl->mResolvedType, false);
- }
- else if (varDecl->mIsSplat)
- {
- if (!varDecl->mResolvedType->IsValuelessType())
- localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType, BfTypedValueKind_SplatHead);
- else if ((varDecl->mResolvedType->IsRef()) && (!allowRef))
- {
- BF_ASSERT(varDecl->mResolvedType->IsValuelessType());
- localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType->GetUnderlyingType());
- }
- else
- localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType);
- //BF_ASSERT(varDecl->mValue.IsArg());
- }
- else if ((varDecl->mValue) && ((varDecl->mIsReadOnly && preferValue) || (!varDecl->mAddr)))
- {
- if ((varDecl->mResolvedType->IsRef()) && (!allowRef))
- {
- BfRefType* refType = (BfRefType*)varDecl->mResolvedType;
- BfType* innerType = refType->mElementType;
- if (innerType->IsGenericParam())
- {
- if (refType->mRefKind == BfRefType::RefKind_Mut)
- {
- localResult = BfTypedValue(varDecl->mValue, innerType, BfTypedValueKind_MutableValue);
- return localResult;
- }
- else
- {
- localResult = BfTypedValue(varDecl->mValue, innerType, BfTypedValueKind_Addr);
- return localResult;
- }
- }
- localResult = BfTypedValue(varDecl->mValue, innerType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- else
- {
- BfTypedValueKind kind;
- if ((varDecl->mResolvedType->IsComposite()) && (varDecl->mValue.IsArg()))
- {
- kind = varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr;
- }
- else
- kind = BfTypedValueKind_Value;
- localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType, kind);
- }
- }
- else if (varDecl->mAddr)
- {
- if ((!mModule->mBfIRBuilder->mIgnoreWrites) && (varDecl->mAddr.IsFake()) && (!varDecl->mResolvedType->IsValuelessType()))
- {
- // In an ignore case match we can may need to create a fake "out" when someone tries to read it
- auto defaultTypedValue = mModule->GetDefaultTypedValue(varDecl->mResolvedType, true, BfDefaultValueKind_Addr);
- varDecl->mAddr = defaultTypedValue.mValue;
- }
- if ((varDecl->mResolvedType->IsRef()) && (!allowRef))
- {
- BfRefType* refType = (BfRefType*)varDecl->mResolvedType;
- BfType* innerType = refType->mElementType;
- if (innerType->IsValuelessNonOpaqueType())
- {
- if (refType->mRefKind == BfRefType::RefKind_Mut)
- return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), innerType, BfTypedValueKind_MutableValue);
- return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), innerType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- if (refType->mRefKind == BfRefType::RefKind_Mut)
- {
- if (innerType->IsGenericParam())
- {
- localResult = BfTypedValue(mModule->mBfIRBuilder->CreateAlignedLoad(varDecl->mAddr, varDecl->mResolvedType->mAlign), innerType, BfTypedValueKind_MutableValue);
- return localResult;
- }
- }
- localResult = BfTypedValue(mModule->mBfIRBuilder->CreateAlignedLoad(varDecl->mAddr, varDecl->mResolvedType->mAlign), innerType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- else if (varDecl->mHasLocalStructBacking)
- {
- // varDecl->mAddr is a "struct**"
- localResult = BfTypedValue(mModule->mBfIRBuilder->CreateAlignedLoad(varDecl->mAddr, varDecl->mResolvedType->mAlign), varDecl->mResolvedType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- else
- localResult = BfTypedValue(varDecl->mAddr, varDecl->mResolvedType, varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- else if ((varDecl->mResolvedType->IsModifiedTypeType()) && (((BfModifiedTypeType*)varDecl->mResolvedType)->mModifiedKind == BfToken_Params))
- {
- localResult = BfTypedValue(BfIRValue(), varDecl->mResolvedType);
- }
- else if (varDecl->mResolvedType->IsValuelessNonOpaqueType())
- {
- if ((varDecl->mResolvedType->IsRef()) && (!allowRef))
- {
- BfRefType* refType = (BfRefType*)varDecl->mResolvedType;
- BfType* innerType = refType->mElementType;
- localResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), innerType, true);
- return localResult;
- }
- localResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), varDecl->mResolvedType, true);
- }
- else if (varDecl->mCompositeCount >= 0)
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_InParamsExpr) != 0)
- {
- localResult = BfTypedValue(BfIRValue(), mModule->GetPrimitiveType(BfTypeCode_None));
- }
- else if (!varDecl->mAddr)
- {
- bool isValid = true;
- Array<BfTypedValue> argVals;
- auto methodState = mModule->mCurMethodState->GetMethodStateForLocal(varDecl);
- for (int compositeIdx = 0; compositeIdx < varDecl->mCompositeCount; compositeIdx++)
- {
- BfResolvedArg compositeResolvedArg;
- auto compositeLocalVar = methodState->mLocals[varDecl->mLocalVarIdx + compositeIdx + 1];
- auto argValue = LoadLocal(compositeLocalVar, true);
- if (argValue)
- {
- if (!argValue.mType->IsStruct())
- argValue = mModule->LoadValue(argValue, NULL, mIsVolatileReference);
- argVals.Add(argValue);
- }
- else
- isValid = false;
- }
- if (isValid)
- {
- BfTypeInstance* tupleType = NULL;
- if (varDecl->mResolvedType->IsTuple())
- tupleType = (BfTupleType*)varDecl->mResolvedType;
- else if ((varDecl->mResolvedType->IsDelegateOrFunction()))
- {
- auto invokeFunction = mModule->GetDelegateInvokeMethod(varDecl->mResolvedType->ToTypeInstance());
- if (invokeFunction != NULL)
- {
- BfTypeVector fieldTypes;
- SubstituteList fieldNames;
- for (int paramIdx = 0; paramIdx < invokeFunction->GetParamCount(); paramIdx++)
- {
- fieldNames.Add(invokeFunction->GetParamName(paramIdx));
- fieldTypes.Add(invokeFunction->GetParamType(paramIdx));
- }
- tupleType = mModule->CreateTupleType(fieldTypes, fieldNames);
- }
- }
-
- if (tupleType == NULL)
- {
- isValid = false;
- }
- else if (tupleType->IsValuelessType())
- {
- localResult = mModule->GetDefaultTypedValue(tupleType);
- }
- else
- {
- BF_ASSERT(tupleType->mFieldInstances.mSize == argVals.mSize);
- auto instAlloca = mModule->CreateAlloca(tupleType);
- for (int i = 0; i < argVals.mSize; i++)
- {
- auto& fieldInstance = tupleType->mFieldInstances[i];
- if (fieldInstance.mDataIdx >= 0)
- {
- auto val = mModule->Cast(varDecl->mNameNode, argVals[i], fieldInstance.mResolvedType);
- if (val)
- {
- val = mModule->LoadOrAggregateValue(val);
- if (!val.mType->IsValuelessType())
- {
- auto elemPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(instAlloca, 0, fieldInstance.mDataIdx);
- mModule->mBfIRBuilder->CreateStore(val.mValue, elemPtr);
- }
- }
- }
- }
- varDecl->mResolvedType = tupleType;
- varDecl->mAddr = instAlloca;
- varDecl->mIsReadOnly = true;
- localResult = BfTypedValue(varDecl->mAddr, varDecl->mResolvedType, BfTypedValueKind_ReadOnlyAddr);
- }
- }
-
- if (!isValid)
- {
- localResult = mModule->GetDefaultTypedValue(mModule->ResolveTypeDef(mModule->mCompiler->mTupleTypeDef));
- }
- }
- }
- else
- {
- BF_ASSERT((mModule->mCurMethodState->mClosureState != NULL) || (mModule->mBfIRBuilder->mIgnoreWrites));
- // Just temporary
- auto varType = varDecl->mResolvedType;
- auto allocType = varType;
- if (varType->IsRef())
- {
- BfRefType* refType = (BfRefType*)varType;
- allocType = refType->mElementType;
- }
- auto declType = varDecl->mResolvedType;
- if (declType->IsRef())
- {
- BfRefType* refType = (BfRefType*)declType;
- declType = refType->mElementType;
- }
- mModule->PopulateType(allocType);
- varDecl->mAddr = mModule->mBfIRBuilder->CreateAlloca(mModule->mBfIRBuilder->MapType(allocType));
- localResult = BfTypedValue(varDecl->mAddr, declType, true);
- return localResult;
- }
- if ((varDecl->mIsThis) && (localResult.mKind == BfTypedValueKind_Value))
- localResult.mKind = BfTypedValueKind_ThisValue;
- return localResult;
- }
- BfTypedValue BfExprEvaluator::LookupIdentifier(BfAstNode* refNode, const StringImpl& findName, bool ignoreInitialError, bool* hadError)
- {
- int varSkipCount = 0;
- StringT<128> wantName;
- wantName.Reference(findName);
- if (findName.StartsWith('@'))
- {
- wantName = findName;
- while (wantName.StartsWith("@"))
- {
- if (wantName != "@return")
- varSkipCount++;
- wantName.Remove(0);
- }
- }
- if (wantName.IsEmpty())
- {
- mModule->Fail("Shadowed variable name expected after '@'", refNode);
- }
- if ((mModule->mCompiler->mCeMachine != NULL) && (mModule->mCompiler->mCeMachine->mDebugger != NULL) && (mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState != NULL))
- {
- auto ceDebugger = mModule->mCompiler->mCeMachine->mDebugger;
- auto ceContext = ceDebugger->mCurDbgState->mCeContext;
- auto activeFrame = ceDebugger->mCurDbgState->mActiveFrame;
- if (activeFrame->mFunction->mDbgInfo != NULL)
- {
- int varSkipCountLeft = varSkipCount;
- int instIdx = activeFrame->GetInstIdx();
- for (int i = activeFrame->mFunction->mDbgInfo->mVariables.mSize - 1; i >= 0; i--)
- {
- auto& dbgVar = activeFrame->mFunction->mDbgInfo->mVariables[i];
- if (dbgVar.mName == wantName)
- {
- if (varSkipCountLeft > 0)
- {
- varSkipCountLeft--;
- }
- else if ((dbgVar.mValue.mKind == CeOperandKind_AllocaAddr) || (dbgVar.mValue.mKind == CeOperandKind_FrameOfs))
- {
- if ((instIdx >= dbgVar.mStartCodePos) && (instIdx < dbgVar.mEndCodePos))
- {
- return BfTypedValue(mModule->mBfIRBuilder->CreateConstAggCE(mModule->mBfIRBuilder->MapType(dbgVar.mType), activeFrame->mFrameAddr + dbgVar.mValue.mFrameOfs),
- dbgVar.mType, dbgVar.mIsConst ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- }
- }
- }
- }
- if (findName == "FR")
- {
- auto ptrType = mModule->CreatePointerType(mModule->GetPrimitiveType(BfTypeCode_UInt8));
- auto intVal = mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, activeFrame->mFrameAddr);
- auto ptrVal = mModule->mBfIRBuilder->CreateIntToPtr(intVal, mModule->mBfIRBuilder->MapType(ptrType));
- return BfTypedValue(ptrVal, ptrType);
- }
- }
- auto identifierNode = BfNodeDynCast<BfIdentifierNode>(refNode);
- if (mModule->mCurMethodState != NULL)
- {
- auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
- auto checkMethodState = mModule->mCurMethodState;
- bool isMixinOuterVariablePass = false;
- while (checkMethodState != NULL)
- {
- BP_ZONE("LookupIdentifier:LocalVar");
- BfTypeInstance* closureTypeInst = NULL;
- if ((checkMethodState->mClosureState != NULL) && (checkMethodState->mClosureState->mClosureType != NULL) && (!checkMethodState->mClosureState->mCapturing))
- {
- closureTypeInst = mModule->mCurMethodState->mClosureState->mClosureType;
- }
- int varSkipCountLeft = varSkipCount;
- BfLocalVarEntry* entry;
- if (checkMethodState->mLocalVarSet.TryGetWith<StringImpl&>(wantName, &entry))
- {
- auto varDecl = entry->mLocalVar;
- if (varDecl != NULL)
- varSkipCountLeft -= varDecl->mNamePrefixCount;
- while ((varSkipCountLeft > 0) && (varDecl != NULL))
- {
- varDecl = varDecl->mShadowedLocal;
- varSkipCountLeft--;
- }
- if ((varDecl != NULL) && (varDecl->mNotCaptured))
- {
- mModule->Fail("Local variable is not captured", refNode);
- }
- if ((varSkipCountLeft == 0) && (varDecl != NULL))
- {
- if ((closureTypeInst != NULL) && (wantName == "this"))
- break;
- if (varDecl->mResolvedType->IsVoid())
- {
- if ((varDecl->mIsReadOnly) && (varDecl->mParamIdx == -2) && (varDecl->mParamFailed))
- {
- BF_ASSERT(mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_CtorCalcAppend);
- mModule->Fail("The result of append allocations cannot be used in append size calculation methods. Consider moving all append allocations to the start of this method body.", refNode);
- }
- }
- if (!varDecl->mIsThis)
- mModule->SetElementType(identifierNode, (varDecl->IsParam()) ? BfSourceElementType_Parameter : BfSourceElementType_Local);
- BfTypedValue localResult = LoadLocal(varDecl);
- if ((localResult) && (localResult.mType->IsParamsType()) && ((mBfEvalExprFlags & BfEvalExprFlags_AllowParamsExpr) == 0))
- {
- localResult = mModule->LoadOrAggregateValue(localResult);
- }
- auto autoComplete = GetAutoComplete();
- if (identifierNode != NULL)
- {
- if (autoComplete != NULL)
- autoComplete->CheckLocalRef(identifierNode, varDecl);
- if (((mModule->mCurMethodState->mClosureState == NULL) || (mModule->mCurMethodState->mClosureState->mCapturing)) &&
- (mModule->mCompiler->mResolvePassData != NULL) && (mModule->mCurMethodInstance != NULL) && (!mModule->mCurMethodState->IsTemporary()))
- mModule->mCompiler->mResolvePassData->HandleLocalReference(identifierNode, varDecl->mNameNode, mModule->mCurTypeInstance->mTypeDef, rootMethodState->mMethodInstance->mMethodDef, varDecl->mLocalVarId);
- }
- if (!isMixinOuterVariablePass)
- {
- mResultLocalVar = varDecl;
- mResultFieldInstance = NULL;
- mResultLocalVarRefNode = identifierNode;
- }
- return localResult;
- }
- }
- // Check for the captured locals. It's important we do it here so we get local-first precedence still
- if (closureTypeInst != NULL)
- {
- int varSkipCountLeft = varSkipCount;
- closureTypeInst->mTypeDef->PopulateMemberSets();
- BfMemberSetEntry* memberSetEntry = NULL;
- if (closureTypeInst->mTypeDef->mFieldSet.TryGetWith((StringImpl&)findName, &memberSetEntry))
- {
- auto fieldDef = (BfFieldDef*)memberSetEntry->mMemberDef;
- auto& field = closureTypeInst->mFieldInstances[fieldDef->mIdx];
- if (!field.mResolvedType->IsValuelessType())
- {
- if (mModule->mCurMethodState->mClosureState->mCapturing)
- {
- mModule->mCurMethodState->mClosureState->mReferencedOuterClosureMembers.Add(&field);
- return mModule->GetDefaultTypedValue(field.mResolvedType);
- }
- auto localVar = mModule->mCurMethodState->mLocals[0];
- auto thisValue = localVar->mValue;
- mModule->mBfIRBuilder->PopulateType(localVar->mResolvedType);
- BfTypedValue result = BfTypedValue(mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue, 0, field.mDataIdx), field.mResolvedType, true);
- if (field.mResolvedType->IsRef())
- {
- auto refType = (BfRefType*)field.mResolvedType;
- auto underlyingType = refType->GetUnderlyingType();
- result = BfTypedValue(mModule->mBfIRBuilder->CreateLoad(result.mValue), underlyingType, true);
- }
- else if (fieldDef->mIsReadOnly)
- result = mModule->LoadValue(result);
- //mModule->SetElementType(identifierNode, (localVar->IsParam()) ? BfSourceElementType_Parameter : BfSourceElementType_Local);
- mResultLocalVar = localVar;
- mResultFieldInstance = &field;
- mResultLocalVarField = -(field.mMergedDataIdx + 1);
- return result;
- }
- }
- }
- if ((checkMethodState->mClosureState != NULL) && (checkMethodState->mClosureState->mCapturing) /*&& (checkMethodState->mClosureState->mIsLocalMethod)*/)
- {
- checkMethodState = checkMethodState->mPrevMethodState;
- continue;
- }
- // Allow local mixin to see outside variables during its processing -- since we don't actually "capture" those into params
- bool isLocalMixinProcessing = false;
- if ((checkMethodState->mClosureState != NULL) && (!checkMethodState->mClosureState->mCapturing) && (closureTypeInst == NULL) &&
- (mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Mixin))
- isLocalMixinProcessing = true;
- if (!isLocalMixinProcessing)
- break;
- isMixinOuterVariablePass = true;
- checkMethodState = checkMethodState->mPrevMethodState;
- }
- }
- if ((mModule->mCurMethodInstance == NULL) && (mModule->mCurTypeInstance != NULL) && (mModule->mCurTypeInstance->IsEnum()))
- {
- if (findName == "_")
- {
- BfFieldDef* resolvingFieldDef = NULL;
- auto checkTypeState = mModule->mContext->mCurTypeState;
- while (checkTypeState != NULL)
- {
- if (checkTypeState->mCurFieldDef != NULL)
- {
- if (checkTypeState->mType == mModule->mCurTypeInstance)
- resolvingFieldDef = checkTypeState->mCurFieldDef;
- }
- checkTypeState = checkTypeState->mPrevState;
- }
- if ((resolvingFieldDef != NULL) &&
- (mModule->mCompiler->mResolvePassData != NULL) &&
- (!mModule->mCompiler->mResolvePassData->mParsers.IsEmpty()) &&
- (mModule->mCompiler->mResolvePassData->mParsers[0] == resolvingFieldDef->mFieldDeclaration->GetParser()) &&
- (GetAutoComplete() != NULL))
- {
- return mModule->GetDefaultTypedValue(mModule->mCurTypeInstance);
- }
- else if ((resolvingFieldDef != NULL) && (resolvingFieldDef->mIdx > 0))
- {
- auto enumType = mModule->mCurTypeInstance;
- if (!enumType->mFieldInstances.IsEmpty())
- {
- auto fieldInstance = &mModule->mCurTypeInstance->mFieldInstances[resolvingFieldDef->mIdx - 1];
- if ((fieldInstance->mConstIdx != -1) &&
- (fieldInstance->mResolvedType == mModule->mCurTypeInstance))
- {
- auto foreignConst = enumType->mConstHolder->GetConstantById(fieldInstance->mConstIdx);
- auto retVal = mModule->ConstantToCurrent(foreignConst, enumType->mConstHolder, enumType);
- return BfTypedValue(retVal, enumType);
- }
- }
- }
- }
- }
- BfTypedValue thisValue = mModule->GetThis(false);
- bool forcedIFaceLookup = false;
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsForeignMethodDef))
- {
- thisValue.mType = mModule->mCurMethodInstance->GetForeignType();
- forcedIFaceLookup = true;
- }
- if (thisValue)
- {
- if (findName == "this")
- {
- mModule->MarkUsingThis();
- return thisValue;
- }
- if (findName == "base")
- {
- auto baseValue = thisValue;
- if (baseValue.IsThis())
- baseValue.ToBase();
- if (mModule->GetActiveTypeDef()->mTypeCode != BfTypeCode_Extension)
- {
- MakeBaseConcrete(baseValue);
- }
- mModule->MarkUsingThis();
- return baseValue;
- }
- if (!mModule->mCurMethodState->HasNonStaticMixin())
- {
- mResultLocalVar = mModule->GetThisVariable();
- mResultFieldInstance = NULL;
- mResultLocalVarRefNode = identifierNode;
- }
- }
- if (!thisValue.HasType())
- {
- if ((mModule->mContext->mCurTypeState != NULL) && (mModule->mContext->mCurTypeState->mType == mModule->mCurTypeInstance) &&
- (mModule->mContext->mCurTypeState->mResolveKind == BfTypeState::ResolveKind_Attributes))
- {
- // Can't do static lookups yet
- }
- else
- thisValue = BfTypedValue(mModule->mCurTypeInstance);
- }
- BfTypedValue result;
- if (thisValue.HasType())
- {
- result = LookupField(identifierNode, thisValue, findName, BfLookupFieldFlag_IsImplicitThis);
- if (mResultFieldInstance == NULL)
- {
- mResultLocalVar = NULL;
- mResultLocalVarRefNode = NULL;
- }
- }
- if (mPropDef != NULL)
- {
- if (forcedIFaceLookup)
- {
- if (mPropTarget == thisValue)
- {
- mPropDefBypassVirtual = true;
- mOrigPropTarget = mModule->GetThis();
- }
- }
- }
- if ((!result) && (mPropDef == NULL))
- {
- if (mModule->mContext->mCurTypeState != NULL)
- {
- // This is not necessarily true since we changed ConstResolver
- //BF_ASSERT(mModule->mCurTypeInstance == mModule->mContext->mCurTypeState->mTypeInstance);
- BfGlobalLookup globalLookup;
- globalLookup.mKind = BfGlobalLookup::Kind_Field;
- globalLookup.mName = findName;
- mModule->PopulateGlobalContainersList(globalLookup);
- for (auto& globalContainer : mModule->mContext->mCurTypeState->mGlobalContainers)
- {
- if (globalContainer.mTypeInst == NULL)
- continue;
- thisValue = BfTypedValue(globalContainer.mTypeInst);
- result = LookupField(identifierNode, thisValue, findName);
- if ((result) || (mPropDef != NULL))
- {
- mModule->SetHighestElementType(identifierNode, BfSourceElementType_Member);
- return result;
- }
- }
- }
- auto staticSearch = mModule->GetStaticSearch();
- if (staticSearch != NULL)
- {
- for (auto typeInst : staticSearch->mStaticTypes)
- {
- thisValue = BfTypedValue(typeInst);
- result = LookupField(identifierNode, thisValue, findName);
- if ((result) || (mPropDef != NULL))
- {
- mModule->SetHighestElementType(identifierNode, BfSourceElementType_Member);
- return result;
- }
- }
- }
- }
- else
- {
- mModule->SetHighestElementType(identifierNode, BfSourceElementType_Member);
- }
- if ((!result) && (identifierNode != NULL))
- {
- result = mModule->TryLookupGenericConstVaue(identifierNode, mExpectingType);
- if ((mBfEvalExprFlags & (BfEvalExprFlags_Comptime | BfEvalExprFlags_AllowGenericConstValue)) == BfEvalExprFlags_Comptime)
- {
- if (result.mKind == BfTypedValueKind_GenericConstValue)
- {
- auto genericParamDef = mModule->GetGenericParamInstance((BfGenericParamType*)result.mType);
- if ((genericParamDef->mGenericParamFlags & BfGenericParamFlag_Const) != 0)
- {
- auto genericTypeConstraint = genericParamDef->mTypeConstraint;
- if (genericTypeConstraint != NULL)
- {
- auto primType = genericTypeConstraint->ToPrimitiveType();
- if (primType != NULL)
- {
- BfTypedValue result;
- result.mKind = BfTypedValueKind_Value;
- result.mType = genericTypeConstraint;
- result.mValue = mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->GetPrimitiveType(primType->mTypeDef->mTypeCode));
- return result;
- }
- }
- else
- {
- BF_FATAL("Error");
- }
- }
- }
- }
- mModule->FixValueActualization(result);
- }
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (findName == "@this"))
- {
- if (mModule->mCurMethodState->mClosureState->mCapturing)
- {
- if (mModule->mCurMethodState->mClosureState->mDelegateType != NULL)
- {
- mModule->mCurMethodState->mClosureState->mCapturedDelegateSelf = true;
- return mModule->GetDefaultTypedValue(mModule->mCurMethodState->mClosureState->mDelegateType);
- }
- }
- else
- {
- if (!mModule->mCurMethodState->mLocals.IsEmpty())
- {
- auto thisLocal = mModule->mCurMethodState->mLocals[0];
- if (thisLocal->mIsThis)
- {
- if (thisLocal->mAddr)
- return BfTypedValue(mModule->mBfIRBuilder->CreateLoad(thisLocal->mAddr), thisLocal->mResolvedType);
- else
- return BfTypedValue(thisLocal->mValue, thisLocal->mResolvedType);
- }
- }
- }
- }
- return result;
- }
- BfTypedValue BfExprEvaluator::LookupIdentifier(BfIdentifierNode* identifierNode, bool ignoreInitialError, bool* hadError)
- {
- auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(identifierNode);
- if (qualifiedNameNode != NULL)
- {
- LookupQualifiedName(qualifiedNameNode, ignoreInitialError, hadError);
- auto qualifiedResult = mResult;
- mResult = BfTypedValue();
- return qualifiedResult;
- }
- StringT<128> identifierStr;
- identifierNode->ToString(identifierStr);
- return LookupIdentifier(identifierNode, identifierStr, ignoreInitialError, hadError);
- }
- void BfExprEvaluator::Visit(BfIdentifierNode* identifierNode)
- {
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- autoComplete->CheckIdentifier(identifierNode, true);
- mResult = LookupIdentifier(identifierNode);
- if ((!mResult) && (mPropDef == NULL))
- {
- mModule->CheckTypeRefFixit(identifierNode);
- if ((autoComplete != NULL) && (autoComplete->CheckFixit(identifierNode)))
- {
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
- {
- // During this phase we don't have lambda and local method params available so they would result in erroneous fixits
- }
- else if (mModule->mCurMethodInstance != NULL)
- {
- BfType* fieldType = mExpectingType;
- if (fieldType == NULL)
- fieldType = mModule->mContext->mBfObjectType;
- autoComplete->FixitAddMember(mModule->mCurTypeInstance, fieldType, identifierNode->ToString(), true, mModule->mCurTypeInstance);
- if (!mModule->mCurMethodInstance->mMethodDef->mIsStatic)
- autoComplete->FixitAddMember(mModule->mCurTypeInstance, fieldType, identifierNode->ToString(), false, mModule->mCurTypeInstance);
- for (auto typeDef : mModule->mSystem->mTypeDefs)
- {
- if (!typeDef->mIsCombinedPartial)
- continue;
- if (!typeDef->IsGlobalsContainer())
- continue;
- typeDef->PopulateMemberSets();
- String findName = identifierNode->ToString();
- BfMemberSetEntry* memberSetEntry;
- if ((typeDef->mMethodSet.TryGetWith(findName, &memberSetEntry)) ||
- (typeDef->mFieldSet.TryGetWith(findName, &memberSetEntry)) ||
- (typeDef->mPropertySet.TryGetWith(findName, &memberSetEntry)))
- {
- if (mModule->GetActiveTypeDef()->mProject->ContainsReference(typeDef->mProject))
- autoComplete->FixitAddNamespace(identifierNode, typeDef->mNamespace.ToString());
- }
- }
- }
- }
- if (((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0) && (mModule->mCurTypeInstance != NULL) && (CheckForMethodName(identifierNode, mModule->mCurTypeInstance, identifierNode->ToString())))
- return;
- if ((mBfEvalExprFlags & BfEvalExprFlags_NoLookupError) == 0)
- mModule->Fail("Identifier not found", identifierNode);
- }
- }
- void BfExprEvaluator::Visit(BfAttributedIdentifierNode* attrIdentifierNode)
- {
- if ((mModule->mAttributeState != NULL))
- {
- mModule->mAttributeState->mCustomAttributes = mModule->GetCustomAttributes(attrIdentifierNode->mAttributes, mModule->mAttributeState->mTarget);
- VisitChild(attrIdentifierNode->mIdentifier);
- }
- else
- {
- BfAttributeState attributeState;
- attributeState.mTarget = (BfAttributeTargets)(BfAttributeTargets_MemberAccess);
- SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
- mModule->mAttributeState->mCustomAttributes = mModule->GetCustomAttributes(attrIdentifierNode->mAttributes, mModule->mAttributeState->mTarget);
- VisitChild(attrIdentifierNode->mIdentifier);
- }
- }
- static int gPropIdx = 0;
- void BfExprEvaluator::FixitAddMember(BfTypeInstance* typeInst, BfType* fieldType, const StringImpl& fieldName, bool isStatic)
- {
- if (fieldType == NULL)
- {
- fieldType = mExpectingType;
- }
- if (fieldType != NULL)
- {
- if (fieldType->IsRef())
- fieldType = fieldType->GetUnderlyingType();
- }
- mModule->mCompiler->mResolvePassData->mAutoComplete->FixitAddMember(typeInst, fieldType, fieldName, isStatic, mModule->mCurTypeInstance);
- }
- BfTypedValue BfExprEvaluator::TryArrowLookup(BfTypedValue typedValue, BfTokenNode* arrowToken)
- {
- auto arrowValue = PerformUnaryOperation_TryOperator(typedValue, NULL, BfUnaryOp_Arrow, arrowToken, BfUnaryOpFlag_None);
- if (arrowValue)
- return arrowValue;
- if (mModule->PreFail())
- mModule->Fail(StrFormat("Type '%s' does not contain a '->' operator", mModule->TypeToString(typedValue.mType).c_str()), arrowToken);
- return typedValue;
- }
- BfTypedValue BfExprEvaluator::LoadProperty(BfAstNode* targetSrc, BfTypedValue target, BfTypeInstance* typeInstance, BfPropertyDef* prop, BfLookupFieldFlags flags, BfCheckedKind checkedKind, bool isInlined)
- {
- BfTypedValue origTarget = target;
- if ((target.mType != NULL) && (target.mType->IsStructPtr()))
- {
- target = mModule->LoadValue(target);
- target = BfTypedValue(target.mValue, target.mType->GetUnderlyingType(), target.IsReadOnly() ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- if ((flags & BfLookupFieldFlag_IsAnonymous) == 0)
- mModule->SetElementType(targetSrc, BfSourceElementType_Method);
- if ((!prop->mIsStatic) && ((flags & BfLookupFieldFlag_IsImplicitThis) != 0))
- mModule->MarkUsingThis();
- mPropSrc = targetSrc;
- mPropDef = prop;
- mPropCheckedKind = checkedKind;
- if (isInlined)
- mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_ForceInline);
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
- {
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mFriendAttributeTypeDef))
- {
- mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_Friend);
- mModule->mAttributeState->mUsed = true;
- }
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mDisableObjectAccessChecksAttributeTypeDef))
- {
- mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_DisableObjectAccessChecks);
- mModule->mAttributeState->mUsed = true;
- }
- }
- if (mPropDef->mIsStatic)
- {
- if ((target) && ((flags & BfLookupFieldFlag_IsImplicitThis) == 0) && (!typeInstance->mTypeDef->IsGlobalsContainer()))
- {
- //CS0176: Member 'Program.sVal' cannot be accessed with an instance reference; qualify it with a type name instead
- mModule->Fail(StrFormat("Property '%s.%s' cannot be accessed with an instance reference; qualify it with a type name instead",
- mModule->TypeToString(typeInstance).c_str(), mPropDef->mName.c_str()), targetSrc);
- }
- }
- bool isBaseLookup = (target.mType) && (typeInstance != target.mType);
- if ((isBaseLookup) && (target.mType->IsWrappableType()))
- isBaseLookup = false;
- if (prop->mIsStatic)
- mPropTarget = BfTypedValue(typeInstance);
- else if (isBaseLookup)
- {
- if (target.mValue.IsFake())
- {
- mPropTarget = BfTypedValue(target.mValue, typeInstance, target.mKind);
- }
- else
- {
- mPropTarget = mModule->Cast(targetSrc, target, typeInstance);
- BF_ASSERT(mPropTarget);
- }
- }
- else
- mPropTarget = target;
- mOrigPropTarget = mPropTarget;
- if (prop->mIsStatic)
- mOrigPropTarget = target;
- #ifdef _DEBUG
- if (mPropTarget)
- {
- auto propTargetTypeInst = mPropTarget.mType->ToTypeInstance();
- if (propTargetTypeInst != NULL)
- {
- BF_ASSERT(prop->mDeclaringType->mFullNameEx == propTargetTypeInst->mTypeDef->mFullNameEx);
- }
- }
- #endif
- if ((flags & BfLookupFieldFlag_IsAnonymous) == 0)
- {
- auto autoComplete = GetAutoComplete();
- auto resolvePassData = mModule->mCompiler->mResolvePassData;
- if (((autoComplete != NULL) && (autoComplete->mIsGetDefinition)) ||
- ((resolvePassData != NULL) && (resolvePassData->mGetSymbolReferenceKind == BfGetSymbolReferenceKind_Property)))
- {
- BfPropertyDef* basePropDef = mPropDef;
- BfTypeInstance* baseTypeInst = typeInstance;
- mModule->GetBasePropertyDef(basePropDef, baseTypeInst);
- resolvePassData->HandlePropertyReference(targetSrc, baseTypeInst->mTypeDef, basePropDef);
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(targetSrc)))
- {
- if (autoComplete->mIsGetDefinition)
- {
- //NOTE: passing 'force=true' in here causes https://github.com/beefytech/Beef/issues/1064
- autoComplete->SetDefinitionLocation(basePropDef->GetRefNode());
- }
- autoComplete->mDefProp = basePropDef;
- autoComplete->mDefType = baseTypeInst->mTypeDef;
- }
- }
- if ((autoComplete != NULL) && (autoComplete->mResolveType == BfResolveType_GetResultString) && (autoComplete->IsAutocompleteNode(targetSrc)))
- {
- BfPropertyDef* basePropDef = mPropDef;
- BfTypeInstance* baseTypeInst = typeInstance;
- mModule->GetBasePropertyDef(basePropDef, baseTypeInst);
- autoComplete->mResultString = ":";
- autoComplete->mResultString += mModule->TypeToString(baseTypeInst);
- autoComplete->mResultString += ".";
- autoComplete->mResultString += basePropDef->mName;
- }
- }
- // Check for direct auto-property access
- if ((target.mType == mModule->mCurTypeInstance) && ((flags & BfLookupFieldFlag_BindOnly) == 0))
- {
- if (auto propertyDeclaration = BfNodeDynCast<BfPropertyDeclaration>(mPropDef->mFieldDeclaration))
- {
- if ((typeInstance->mTypeDef->HasAutoProperty(propertyDeclaration)) && (propertyDeclaration->mVirtualSpecifier == NULL))
- {
- BfMethodDef* getter = GetPropertyMethodDef(mPropDef, BfMethodType_PropertyGetter, BfCheckedKind_NotSet, mPropTarget);
- BfMethodDef* setter = GetPropertyMethodDef(mPropDef, BfMethodType_PropertySetter, BfCheckedKind_NotSet, mPropTarget);
- bool optAllowed = true;
- if ((getter != NULL) && (getter->mBody != NULL))
- optAllowed = false;
- if ((setter != NULL) && (setter->mBody != NULL))
- optAllowed = false;
- if (optAllowed)
- {
- auto autoFieldName = typeInstance->mTypeDef->GetAutoPropertyName(propertyDeclaration);
- auto result = LookupField(targetSrc, target, autoFieldName, (BfLookupFieldFlags)(BfLookupFieldFlag_IgnoreProtection | BfLookupFieldFlag_IsImplicitThis));
- if (result)
- {
- bool needsCopy = true;
- if (BfNodeIsA<BfRefTypeRef>(prop->mTypeRef))
- {
- // Allow full ref
- }
- else
- {
- if (setter == NULL)
- {
- if (((mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Ctor)) &&
- (target.mType == mModule->mCurTypeInstance))
- {
- // Allow writing inside ctor
- }
- else
- {
- result.MakeReadOnly();
- needsCopy = false;
- }
- }
- if (result.mKind == BfTypedValueKind_Addr)
- result.mKind = BfTypedValueKind_CopyOnMutateAddr;
- }
- mPropDef = NULL;
- mPropSrc = NULL;
- mOrigPropTarget = BfTypedValue();
- return result;
- }
- }
- }
- }
- }
- if (!mPropDef->mIsStatic)
- {
- SetAndRestoreValue<BfTypedValue> prevResult(mResult, target);
- CheckResultForReading(mResult);
- }
- return BfTypedValue();
- }
- BfTypedValue BfExprEvaluator::LoadField(BfAstNode* targetSrc, BfTypedValue target, BfTypeInstance* typeInstance, BfFieldDef* fieldDef, BfLookupFieldFlags flags)
- {
- if (fieldDef->mIsProperty)
- {
- BfPropertyDef* propDef = (BfPropertyDef*)fieldDef;
- return LoadProperty(targetSrc, target, typeInstance, propDef, flags, BfCheckedKind_NotSet, false);
- }
- bool isFailurePass = (flags & BfLookupFieldFlag_IsFailurePass) != 0;
- auto fieldInstance = &typeInstance->mFieldInstances[fieldDef->mIdx];
- bool isResolvingFields = typeInstance->mResolvingConstField || typeInstance->mResolvingVarField;
- if (fieldDef->mIsVolatile)
- mIsVolatileReference = true;
- if (fieldInstance->mCustomAttributes != NULL)
- mModule->CheckErrorAttributes(fieldInstance->mOwner, NULL, fieldInstance, fieldInstance->mCustomAttributes, targetSrc);
- if (isFailurePass)
- {
- if (mModule->GetCeDbgState() == NULL)
- mModule->Fail(StrFormat("'%s.%s' is inaccessible due to its protection level", mModule->TypeToString(typeInstance).c_str(), fieldDef->mName.c_str()), targetSrc);
- }
- auto resolvePassData = mModule->mCompiler->mResolvePassData;
- if ((resolvePassData != NULL) && (resolvePassData->mGetSymbolReferenceKind == BfGetSymbolReferenceKind_Field) && ((flags & BfLookupFieldFlag_IsAnonymous) == 0))
- {
- resolvePassData->HandleFieldReference(targetSrc, typeInstance->mTypeDef, fieldDef);
- }
- if ((!typeInstance->mTypeFailed) && (!isResolvingFields) && (typeInstance->IsIncomplete()))
- {
- if ((fieldInstance->mResolvedType == NULL) ||
- (!fieldDef->mIsStatic))
- {
- mModule->PopulateType(typeInstance, BfPopulateType_Data);
- // Update fieldInstance pointer as it may have moved
- fieldInstance = &typeInstance->mFieldInstances[fieldDef->mIdx];
- }
- }
- if (fieldInstance->mResolvedType == NULL)
- {
- if (mModule->mCompiler->EnsureCeUnpaused(typeInstance))
- {
- BF_ASSERT((typeInstance->mTypeFailed) || (isResolvingFields));
- }
- return BfTypedValue();
- }
- if (fieldInstance->mFieldIdx == -1)
- {
- mModule->AssertErrorState();
- return BfTypedValue();
- }
- if ((!fieldDef->mIsStatic) && ((flags & BfLookupFieldFlag_IsImplicitThis) != 0))
- mModule->MarkUsingThis();
- mResultFieldInstance = fieldInstance;
- // Are we accessing a 'var' field that has not yet been resolved?
- if (IsVar(fieldInstance->mResolvedType))
- {
- // This can happen if we have one var field referencing another var field
- fieldInstance->mResolvedType = mModule->ResolveVarFieldType(typeInstance, fieldInstance, fieldDef);
- if (fieldInstance->mResolvedType == NULL)
- return BfTypedValue();
- }
- auto resolvedFieldType = fieldInstance->mResolvedType;
- if (fieldInstance->mIsEnumPayloadCase)
- {
- resolvedFieldType = typeInstance;
- }
- mModule->PopulateType(resolvedFieldType, BfPopulateType_Data);
- mModule->AddDependency(typeInstance, mModule->mCurTypeInstance, fieldDef->mIsConst ? BfDependencyMap::DependencyFlag_ConstValue : BfDependencyMap::DependencyFlag_ReadFields);
- if (fieldInstance->mHadConstEval)
- {
- mModule->AddDependency(typeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ConstEvalConstField);
- if ((mModule->mContext->mCurTypeState != NULL) && (mModule->mContext->mCurTypeState->mCurFieldDef != NULL))
- {
- // If we're initializing another const field then also set it as having const eval
- auto resolvingFieldInstance = &mModule->mContext->mCurTypeState->mType->ToTypeInstance()->mFieldInstances[mModule->mContext->mCurTypeState->mCurFieldDef->mIdx];
- if (resolvingFieldInstance->GetFieldDef()->mIsConst)
- resolvingFieldInstance->mHadConstEval = true;
- }
- }
- if ((flags & BfLookupFieldFlag_IsAnonymous) == 0)
- {
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- {
- autoComplete->CheckFieldRef(BfNodeDynCast<BfIdentifierNode>(targetSrc), fieldInstance);
- if ((autoComplete->mResolveType == BfResolveType_GetResultString) && (autoComplete->IsAutocompleteNode(targetSrc)))
- {
- autoComplete->mResultString = ":";
- autoComplete->mResultString += mModule->TypeToString(fieldInstance->mResolvedType);
- autoComplete->mResultString += " ";
- autoComplete->mResultString += mModule->TypeToString(typeInstance);
- autoComplete->mResultString += ".";
- autoComplete->mResultString += fieldDef->mName;
- if (fieldInstance->mConstIdx != -1)
- {
- String constStr = autoComplete->ConstantToString(typeInstance->mConstHolder, BfTypedValue(BfIRValue(BfIRValueFlags_Const, fieldInstance->mConstIdx), fieldInstance->mResolvedType));
- if (!constStr.IsEmpty())
- {
- autoComplete->mResultString += " = ";
- if (constStr.StartsWith(':'))
- autoComplete->mResultString.Append(StringView(constStr, 1, constStr.mLength - 1));
- else
- autoComplete->mResultString += constStr;
- }
- }
- auto fieldDecl = fieldInstance->GetFieldDef()->GetFieldDeclaration();
- if ((fieldDecl != NULL) && (fieldDecl->mDocumentation != NULL))
- {
- String docString;
- fieldDecl->mDocumentation->GetDocString(docString);
- autoComplete->mResultString += "\x03";
- autoComplete->mResultString += docString;
- }
- }
- }
- }
- if (fieldDef->mIsStatic)
- {
- if (target)
- {
- //BF_ASSERT((flags & BfLookupFieldFlag_HasInstance) != 0);
- flags = (BfLookupFieldFlags)(flags | BfLookupFieldFlag_HasInstance);
- }
- if (((flags & BfLookupFieldFlag_HasInstance) != 0) && ((flags & BfLookupFieldFlag_IsImplicitThis) == 0) && (!typeInstance->mTypeDef->IsGlobalsContainer()))
- {
- //CS0176: Member 'Program.sVal' cannot be accessed with an instance reference; qualify it with a type name instead
- mModule->Fail(StrFormat("Member '%s.%s' cannot be accessed with an instance reference; qualify it with a type name instead",
- mModule->TypeToString(typeInstance).c_str(), fieldDef->mName.c_str()), targetSrc);
- }
- // Target must be an implicit 'this', or an error (accessing a static with a non-static target).
- // Not actually needed in either case since this is a static lookup.
- mResultLocalVar = NULL;
- }
- bool isConst = false;
- if (fieldDef->mIsConst)
- {
- isConst = true;
- auto fieldDef = fieldInstance->GetFieldDef();
- if ((resolvedFieldType->IsPointer()) && (fieldDef->mIsExtern))
- isConst = false;
- }
- if (isConst)
- {
- if (fieldInstance->mIsEnumPayloadCase)
- {
- auto dscrType = typeInstance->GetDiscriminatorType();
- mModule->mBfIRBuilder->PopulateType(typeInstance);
- int tagIdx = -fieldInstance->mDataIdx - 1;
- if ((mBfEvalExprFlags & BfEvalExprFlags_AllowEnumId) != 0)
- {
- return BfTypedValue(mModule->mBfIRBuilder->CreateConst(dscrType->mTypeDef->mTypeCode, tagIdx), fieldInstance->mOwner);
- }
- mModule->PopulateType(fieldInstance->mOwner, BfPopulateType_Data);
- if (auto fieldTypeInstance = fieldInstance->mResolvedType->ToTypeInstance())
- {
- bool hasFields = false;
- for (auto& fieldInstance : fieldTypeInstance->mFieldInstances)
- {
- if (!fieldInstance.mResolvedType->IsVoid())
- hasFields = true;
- }
- if (hasFields)
- mModule->FailAfter("Enum payload arguments expected", targetSrc);
- }
- SizedArray<BfIRValue, 3> values;
- values.Add(mModule->mBfIRBuilder->CreateConstAggZero(mModule->mBfIRBuilder->MapType(typeInstance->mBaseType)));
- values.Add(mModule->GetDefaultValue(typeInstance->GetUnionInnerType()));
- values.Add(mModule->mBfIRBuilder->CreateConst(dscrType->mTypeDef->mTypeCode, tagIdx));
- return BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(typeInstance), values), typeInstance);
- }
- if (fieldInstance->mConstIdx == -1)
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_DeclType) != 0)
- {
- // We don't need a real value
- return BfTypedValue(mModule->GetDefaultValue(resolvedFieldType), resolvedFieldType);
- }
- typeInstance->mModule->ResolveConstField(typeInstance, fieldInstance, fieldDef);
- if (fieldInstance->mConstIdx == -1)
- return BfTypedValue(mModule->GetDefaultValue(resolvedFieldType), resolvedFieldType);
- }
- BF_ASSERT(fieldInstance->mConstIdx != -1);
- auto foreignConst = typeInstance->mConstHolder->GetConstantById(fieldInstance->mConstIdx);
- auto retVal = mModule->ConstantToCurrent(foreignConst, typeInstance->mConstHolder, resolvedFieldType);
- return BfTypedValue(retVal, resolvedFieldType);
- }
- else if (fieldDef->mIsStatic)
- {
- if ((mModule->mAttributeState == NULL) || (mModule->mAttributeState->mCustomAttributes == NULL) ||
- (!mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoStaticCtorAttributeTypeDef)))
- {
- mModule->CheckStaticAccess(typeInstance);
- }
- auto retVal = mModule->ReferenceStaticField(fieldInstance);
- bool isStaticCtor = (mModule->mCurMethodInstance != NULL) &&
- (mModule->mCurMethodInstance->mMethodDef->IsCtorOrInit()) &&
- (mModule->mCurMethodInstance->mMethodDef->mIsStatic);
- if ((mModule->mCompiler->mOptions.mRuntimeChecks) && (fieldInstance->IsAppendedObject()) && (!fieldDef->mIsStatic) && (!mModule->mBfIRBuilder->mIgnoreWrites) &&
- (!mModule->IsSkippingExtraResolveChecks()))
- {
- auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- auto intPtrType = mModule->CreatePointerType(intType);
- auto intPtrVal = mModule->mBfIRBuilder->CreateBitCast(retVal.mValue, mModule->mBfIRBuilder->MapType(intPtrType));
- auto intVal = mModule->mBfIRBuilder->CreateLoad(intPtrVal);
- auto oobBlock = mModule->mBfIRBuilder->CreateBlock("oob", true);
- auto contBlock = mModule->mBfIRBuilder->CreateBlock("cont", true);
- auto cmpRes = mModule->mBfIRBuilder->CreateCmpEQ(intVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0));
- mModule->mBfIRBuilder->CreateCondBr(cmpRes, oobBlock, contBlock);
- mModule->mBfIRBuilder->SetInsertPoint(oobBlock);
- auto internalType = mModule->ResolveTypeDef(mModule->mCompiler->mInternalTypeDef);
- auto oobFunc = mModule->GetMethodByName(internalType->ToTypeInstance(), "ThrowObjectNotInitialized");
- if (oobFunc.mFunc)
- {
- if (mModule->mIsComptimeModule)
- mModule->mCompiler->mCeMachine->QueueMethod(oobFunc.mMethodInstance, oobFunc.mFunc);
- SizedArray<BfIRValue, 1> args;
- args.push_back(mModule->GetConstValue(0));
- mModule->mBfIRBuilder->CreateCall(oobFunc.mFunc, args);
- mModule->mBfIRBuilder->CreateUnreachable();
- }
- else
- {
- mModule->Fail("System.Internal class must contain method 'ThrowObjectNotInitialized'", fieldDef->GetRefNode());
- }
- mModule->mBfIRBuilder->SetInsertPoint(contBlock);
- }
- if ((fieldDef->mIsReadOnly) && (!isStaticCtor))
- {
- if (retVal.IsAddr())
- retVal.mKind = BfTypedValueKind_ReadOnlyAddr;
- }
- else
- mIsHeapReference = true;
- return retVal;
- }
- else if (!target)
- {
- if (((mBfEvalExprFlags & BfEvalExprFlags_NameOf) == 0) && (mModule->PreFail()))
- {
- if ((flags & BfLookupFieldFlag_CheckingOuter) != 0)
- mModule->Fail(StrFormat("An instance reference is required to reference non-static outer field '%s.%s'", mModule->TypeToString(typeInstance).c_str(), fieldDef->mName.c_str()),
- targetSrc);
- else if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_CtorCalcAppend))
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_DeclType) == 0)
- mModule->Fail(StrFormat("Cannot reference field '%s' before append allocations", fieldDef->mName.c_str()), targetSrc);
- }
- else
- mModule->Fail(StrFormat("Cannot reference non-static field '%s' from a static method", fieldDef->mName.c_str()), targetSrc);
- }
- return mModule->GetDefaultTypedValue(resolvedFieldType, false, BfDefaultValueKind_Addr);
- }
- if (resolvedFieldType->IsValuelessType())
- {
- return BfTypedValue(BfIRValue::sValueless, resolvedFieldType, true);
- }
- if ((mResultLocalVar != NULL) && (fieldInstance->mMergedDataIdx != -1))
- {
- if (mResultLocalVarFieldCount != 1)
- {
- fieldInstance->GetDataRange(mResultLocalVarField, mResultLocalVarFieldCount);
- mResultLocalVarRefNode = targetSrc;
- }
- }
- if ((typeInstance->IsIncomplete()) && (!typeInstance->mNeedsMethodProcessing))
- {
- BF_ASSERT(typeInstance->mTypeFailed || (mModule->mCurMethodState == NULL) || (mModule->mCurMethodState->mTempKind != BfMethodState::TempKind_None) || (mModule->mCompiler->IsAutocomplete()));
- return mModule->GetDefaultTypedValue(resolvedFieldType);
- }
- bool isTemporary = target.IsTempAddr();
- bool wantsLoadValue = false;
- bool wantsReadOnly = false;
- if ((fieldDef->mIsReadOnly) && (mModule->mCurMethodInstance != NULL) && ((!mModule->mCurMethodInstance->mMethodDef->IsCtorOrInit()) || (!target.IsThis())))
- wantsReadOnly = true;
- bool isComposite = target.mType->IsComposite();
- if ((isComposite) && (!target.mType->IsTypedPrimitive()) && (!target.IsAddr()))
- isTemporary = true;
- if ((isComposite) && (!target.IsAddr()))
- wantsLoadValue = true;
- if ((target.mType->IsWrappableType()) && (!target.mType->IsPointer()))
- {
- BfTypeInstance* primStructType = mModule->GetWrappedStructType(target.mType);
- BfIRValue allocaInst = mModule->CreateAlloca(primStructType, true, "tmpStruct");
- BfIRValue elementAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 1);
- mModule->mBfIRBuilder->CreateStore(target.mValue, elementAddr);
- target = BfTypedValue(allocaInst, primStructType, true);
- }
- BfTypedValue targetValue;
- if ((target.mType != typeInstance) && (!target.IsSplat()))
- {
- if ((!isComposite) || (target.IsAddr()))
- targetValue = BfTypedValue(mModule->mBfIRBuilder->CreateBitCast(target.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(typeInstance)), typeInstance);
- else
- {
- BfIRValue curVal = target.mValue;
- auto baseCheckType = target.mType->ToTypeInstance();
- while (baseCheckType != typeInstance)
- {
- curVal = mModule->mBfIRBuilder->CreateExtractValue(curVal, 0);
- baseCheckType = baseCheckType->mBaseType;
- }
- targetValue = BfTypedValue(curVal, typeInstance);
- }
- }
- else
- targetValue = target;
- bool doAccessCheck = true;
- if ((flags & BfLookupFieldFlag_BindOnly) != 0)
- doAccessCheck = false;
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mDisableObjectAccessChecksAttributeTypeDef)))
- doAccessCheck = false;
- if (target.IsThis())
- {
- if (!mModule->mCurMethodState->mMayNeedThisAccessCheck)
- doAccessCheck = false;
- }
- if (doAccessCheck)
- mModule->EmitObjectAccessCheck(target);
- if (fieldInstance->mDataIdx < 0)
- {
- mModule->mCompiler->RequestExtraCompile();
- mModule->InternalError("LoadField field DataIdx<0 where InstSize>0");
- mModule->DeferRebuildType(typeInstance);
- return mModule->GetDefaultTypedValue(resolvedFieldType);
- }
- BfTypedValue retVal;
- if (targetValue.IsSplat())
- {
- retVal = mModule->ExtractValue(targetValue, fieldInstance, fieldInstance->mDataIdx);
- }
- else if ((target.mType->IsStruct()) && (!target.IsAddr()))
- {
- mModule->mBfIRBuilder->PopulateType(targetValue.mType);
- retVal = BfTypedValue(mModule->mBfIRBuilder->CreateExtractValue(targetValue.mValue, fieldInstance->mDataIdx/*, fieldDef->mName*/),
- resolvedFieldType);
- }
- else
- {
- mModule->mBfIRBuilder->PopulateType(typeInstance);
- if ((targetValue.IsAddr()) && (!typeInstance->IsValueType()))
- targetValue = mModule->LoadValue(targetValue);
- if (fieldInstance->IsAppendedObject())
- {
- auto elemPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(targetValue.mValue, 0, fieldInstance->mDataIdx);
- retVal = BfTypedValue(mModule->mBfIRBuilder->CreateBitCast(elemPtr, mModule->mBfIRBuilder->MapType(resolvedFieldType)), resolvedFieldType);
- }
- else
- {
- retVal = BfTypedValue(mModule->mBfIRBuilder->CreateInBoundsGEP(targetValue.mValue, 0, fieldInstance->mDataIdx/*, fieldDef->mName*/),
- resolvedFieldType, target.IsReadOnly() ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- }
- if (typeInstance->mIsUnion)
- {
- auto unionInnerType = typeInstance->GetUnionInnerType();
- if (unionInnerType != resolvedFieldType)
- {
- BfTypedValue unionTypedValue = retVal;
- unionTypedValue.mType = unionInnerType;
- if (!unionTypedValue.IsAddr())
- unionTypedValue = mModule->MakeAddressable(unionTypedValue);
- BfIRType llvmPtrType = mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->MapType(resolvedFieldType));
- retVal.mValue = mModule->mBfIRBuilder->CreateBitCast(unionTypedValue.mValue, llvmPtrType);
- retVal.mKind = unionTypedValue.mKind;
- }
- }
- if ((fieldDef->mIsVolatile) && (retVal.IsAddr()))
- retVal.mKind = BfTypedValueKind_VolatileAddr;
- if (wantsLoadValue)
- retVal = mModule->LoadValue(retVal, NULL, mIsVolatileReference);
- else
- {
- if ((wantsReadOnly) && (retVal.IsAddr()) && (!retVal.IsReadOnly()))
- retVal.mKind = BfTypedValueKind_ReadOnlyAddr;
- else if ((target.IsCopyOnMutate()) && (retVal.IsAddr()))
- retVal.mKind = BfTypedValueKind_CopyOnMutateAddr_Derived;
- mIsHeapReference = true;
- }
- if (isTemporary)
- {
- if (retVal.IsAddr())
- retVal.mKind = BfTypedValueKind_TempAddr;
- }
- return retVal;
- }
- BfTypedValue BfExprEvaluator::LookupField(BfAstNode* targetSrc, BfTypedValue target, const StringImpl& fieldName, BfLookupFieldFlags flags)
- {
- if (target)
- flags = (BfLookupFieldFlags)(flags | BfLookupFieldFlag_HasInstance);
- if ((target.mType != NULL && (target.mType->IsGenericParam())))
- {
- auto genericParamType = (BfGenericParamType*)target.mType;
- auto genericParamInst = mModule->GetGenericParamInstance(genericParamType);
- if (target.mValue)
- {
- for (auto iface : genericParamInst->mInterfaceConstraints)
- {
- auto result = LookupField(targetSrc, BfTypedValue(target.mValue, iface), fieldName, flags);
- if ((result) || (mPropDef != NULL))
- {
- return result;
- }
- }
- }
- bool isUnspecializedSection = false;
- if (genericParamType->mGenericParamKind == BfGenericParamKind_Method)
- isUnspecializedSection = (mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized);
- else
- isUnspecializedSection = (mModule->mCurTypeInstance != NULL) && (mModule->mCurTypeInstance->IsUnspecializedType());
- if (isUnspecializedSection)
- {
- auto origTarget = target;
- if (genericParamInst->mTypeConstraint != NULL)
- {
- target.mType = genericParamInst->mTypeConstraint;
- }
- else
- target.mType = mModule->mContext->mBfObjectType;
- if ((genericParamInst->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
- {
- target.mType = mModule->GetPrimitiveType(BfTypeCode_Var);
- }
- if (origTarget.mType->IsTypeGenericParam())
- {
- // Check for extern constraint in method generic params
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
- {
- for (auto genericParam : mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams)
- {
- if (genericParam->mExternType == origTarget.mType)
- {
- if (genericParam->mTypeConstraint != NULL)
- {
- target.mType = genericParam->mTypeConstraint;
- break;
- }
- }
- }
- }
- }
- if (target.mType->IsWrappableType())
- target.mType = mModule->GetWrappedStructType(target.mType);
- }
- else
- {
- if ((genericParamInst->mGenericParamFlags & BfGenericParamFlag_Var) != 0)
- {
- //target.mType = mModule->ResolveGenericType(mResult.mType);
- }
- else if (genericParamInst->mTypeConstraint != NULL)
- {
- target = mModule->Cast(targetSrc, target, genericParamInst->mTypeConstraint);
- BF_ASSERT(target);
- }
- else
- {
- // This shouldn't occur - this would infer that we are accessing a member of Object or something...
- //target.mType = mModule->ResolveGenericType(mResult.mType);
- }
- }
- }
- if ((target.mType != NULL) && (IsVar(target.mType, (flags & BfLookupFieldFlag_BindOnly) != 0)))
- return BfTypedValue(mModule->GetDefaultValue(target.mType), target.mType, true);
- BfTypeInstance* startCheckType = mModule->mCurTypeInstance;
- mPropDef = NULL;
- mPropDefBypassVirtual = false;
- if (target)
- {
- if ((!target.mType->IsValueType()) && (target.IsAddr()))
- target = mModule->LoadValue(target);
- if (target.mType->IsPrimitiveType())
- {
- auto primType = (BfPrimitiveType*)target.mType;
- startCheckType = mModule->GetPrimitiveStructType(primType->mTypeDef->mTypeCode);
- }
- else
- {
- startCheckType = target.mType->ToTypeInstance();
- if ((startCheckType == NULL) && (target.mType->IsPointer()))
- {
- startCheckType = ((BfPointerType*)target.mType)->mElementType->ToTypeInstance();
- if ((startCheckType != NULL) && (!startCheckType->IsValueType()))
- return BfTypedValue();
- }
- }
- //BF_ASSERT(startCheckType != NULL);
- }
- else if (target.mType != NULL)
- {
- startCheckType = target.mType->ToTypeInstance();
- }
- if ((startCheckType != NULL) && (startCheckType->mBaseType == NULL))
- {
- if (startCheckType->mDefineState == BfTypeDefineState_ResolvingBaseType)
- {
- // Fixes cases where we have something like 'Base[Value]' as a base typeref
- return BfTypedValue();
- }
- mModule->PopulateType(startCheckType, BfPopulateType_BaseType);
- }
- String findName;
- int varSkipCount = 0;
- if (fieldName.StartsWith('@'))
- {
- findName = fieldName;
- while (findName.StartsWith('@'))
- {
- findName.Remove(0);
- varSkipCount++;
- }
- }
- else
- findName.Reference(fieldName);
- auto activeTypeDef = mModule->GetActiveTypeDef();
- for (int pass = 0; pass < 2; pass++)
- {
- auto curCheckType = startCheckType;
- bool isFailurePass = pass == 1;
- if (isFailurePass)
- flags = (BfLookupFieldFlags)(flags | BfLookupFieldFlag_IsFailurePass);
- bool isBaseLookup = false;
- int checkInterfaceIdx = 0;
- while (curCheckType != NULL)
- {
- if (((flags & BfLookupFieldFlag_CheckingOuter) != 0) && ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0))
- {
- // Don't fully populateType for CheckingOuter - it carries a risk of an inadvertent data cycle
- // Avoiding this could cause issues finding emitted statics/constants
- }
- else
- {
- bool isPopulatingType = false;
- auto checkTypeState = mModule->mContext->mCurTypeState;
- while (checkTypeState != NULL)
- {
- if (curCheckType == checkTypeState->mType)
- {
- isPopulatingType = true;
- if (checkTypeState->mResolveKind == BfTypeState::ResolveKind_Attributes)
- {
- // Don't allow lookups yet
- return BfTypedValue();
- }
- }
- checkTypeState = checkTypeState->mPrevState;
- }
- if ((!isPopulatingType) && (curCheckType->mDefineState < Beefy::BfTypeDefineState_Defined))
- {
- // We MAY have emitted fields so we need to do this
- mModule->mContext->mUnreifiedModule->PopulateType(curCheckType, Beefy::BfPopulateType_Interfaces_All);
- }
- }
- curCheckType->mTypeDef->PopulateMemberSets();
- BfFieldDef* nextField = NULL;
- BfMemberSetEntry* entry;
- if (curCheckType->mTypeDef->mFieldSet.TryGetWith(findName, &entry))
- nextField = (BfFieldDef*)entry->mMemberDef;
- if (nextField != NULL)
- varSkipCount -= nextField->mNamePrefixCount;
- while ((varSkipCount > 0) && (nextField != NULL))
- {
- nextField = nextField->mNextWithSameName;
- varSkipCount--;
- }
- BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
- if (target)
- {
- if ((flags & (BfLookupFieldFlag_IsImplicitThis | BfLookupFieldFlag_BaseLookup)) != 0)
- {
- // Not an "instance lookup"
- }
- else
- {
- protectionCheckFlags = (BfProtectionCheckFlags)(protectionCheckFlags | BfProtectionCheckFlag_InstanceLookup);
- }
- }
- BfFieldDef* matchedField = NULL;
- while (nextField != NULL)
- {
- if ((flags & BfLookupFieldFlag_BindOnly) != 0)
- break;
- auto field = nextField;
- nextField = nextField->mNextWithSameName;
- auto checkProtection = field->mProtection;
- if (checkProtection == BfProtection_Hidden)
- {
- // Allow accessing hidden fields
- checkProtection = BfProtection_Private;
- }
- if (((flags & BfLookupFieldFlag_IgnoreProtection) == 0) && (!isFailurePass) &&
- (!mModule->CheckProtection(protectionCheckFlags, curCheckType, field->mDeclaringType->mProject, checkProtection, startCheckType)))
- {
- continue;
- }
- bool isResolvingFields = curCheckType->mResolvingConstField || curCheckType->mResolvingVarField;
- if (curCheckType->mFieldInstances.IsEmpty())
- {
- mModule->PopulateType(curCheckType, BfPopulateType_Data);
- }
- if (field->mIdx >= (int)curCheckType->mFieldInstances.size())
- {
- if (mModule->mCompiler->EnsureCeUnpaused(curCheckType))
- {
- BF_DBG_FATAL("OOB in DoLookupField");
- }
- return mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- }
- BF_ASSERT(field->mIdx < (int)curCheckType->mFieldInstances.size());
- auto fieldInstance = &curCheckType->mFieldInstances[field->mIdx];
- if (!fieldInstance->mFieldIncluded)
- continue;
- if (curCheckType->IsUnspecializedType())
- {
- // The check for non-unspecialized types is already handled in mFieldIncluded
- if (!curCheckType->IsTypeMemberIncluded(field->mDeclaringType, activeTypeDef, mModule))
- continue;
- }
- if (!mModule->IsInSpecializedSection())
- {
- if (!curCheckType->IsTypeMemberAccessible(field->mDeclaringType, activeTypeDef))
- continue;
- }
- if (matchedField != NULL)
- {
- auto error = mModule->Fail(StrFormat("Ambiguous reference to field '%s.%s'", mModule->TypeToString(curCheckType).c_str(), fieldName.c_str()), targetSrc);
- if (error != NULL)
- {
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See field declaration in project '%s'", matchedField->mDeclaringType->mProject->mName.c_str()), matchedField->mFieldDeclaration);
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See field declaration in project '%s'", field->mDeclaringType->mProject->mName.c_str()), field->mFieldDeclaration);
- break;
- }
- }
- matchedField = field;
- }
- if (matchedField != NULL)
- return LoadField(targetSrc, target, curCheckType, matchedField, flags);
- BfPropertyDef* nextProp = NULL;
- if (curCheckType->mTypeDef->mPropertySet.TryGetWith(fieldName, &entry))
- nextProp = (BfPropertyDef*)entry->mMemberDef;
- if (nextProp != NULL)
- {
- BfCheckedKind checkedKind = BfCheckedKind_NotSet;
- bool isInlined = false;
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
- {
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mInlineAttributeTypeDef))
- {
- isInlined = true;
- mModule->mAttributeState->mUsed = true;
- }
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mCheckedAttributeTypeDef))
- {
- checkedKind = BfCheckedKind_Checked;
- mModule->mAttributeState->mUsed = true;
- }
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mUncheckedAttributeTypeDef))
- {
- checkedKind = BfCheckedKind_Unchecked;
- mModule->mAttributeState->mUsed = true;
- }
- }
- BfPropertyDef* matchedProp = NULL;
- while (nextProp != NULL)
- {
- auto prop = nextProp;
- nextProp = nextProp->mNextWithSameName;
- if ((!isFailurePass) && ((mBfEvalExprFlags & BfEvalExprFlags_NameOf) == 0) && (!mModule->CheckProtection(protectionCheckFlags, curCheckType, prop->mDeclaringType->mProject, prop->mProtection, startCheckType)))
- {
- continue;
- }
- if (!prop->mMethods.IsEmpty())
- {
- BfMethodDef* checkMethod = prop->mMethods[0];
- // Properties with explicit interfaces or marked as overrides can only be called indirectly
- if ((checkMethod->mExplicitInterface != NULL) || (checkMethod->mIsOverride))
- continue;
- }
- if ((!target.IsStatic()) || (prop->mIsStatic) || ((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0))
- {
- if (!curCheckType->IsTypeMemberIncluded(prop->mDeclaringType, activeTypeDef, mModule))
- continue;
- if (!mModule->IsInSpecializedSection())
- {
- if (!curCheckType->IsTypeMemberAccessible(prop->mDeclaringType, mModule->GetVisibleProjectSet()))
- continue;
- }
- if (matchedProp != NULL)
- {
- if ((matchedProp->mDeclaringType->IsExtension()) && (!prop->mDeclaringType->IsExtension()))
- {
- // Prefer non-extension
- continue;
- }
- else
- {
- if (mModule->PreFail())
- {
- auto error = mModule->Fail(StrFormat("Ambiguous reference to property '%s.%s'", mModule->TypeToString(curCheckType).c_str(), fieldName.c_str()), targetSrc);
- if (error != NULL)
- {
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See property declaration in project '%s'", matchedProp->mDeclaringType->mProject->mName.c_str()), matchedProp->mFieldDeclaration);
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See property declaration in project '%s'", prop->mDeclaringType->mProject->mName.c_str()), prop->mFieldDeclaration);
- break;
- }
- }
- }
- }
- matchedProp = prop;
- }
- }
- if (matchedProp != NULL)
- return LoadProperty(targetSrc, target, curCheckType, matchedProp, flags, checkedKind, isInlined);
- }
- if (curCheckType->mTypeDef->mHasUsingFields)
- mModule->PopulateUsingFieldData(curCheckType);
- ///
- {
- Array<SizedArray<BfUsingFieldData::MemberRef, 1>*> foundLists;
- auto _CheckUsingData = [&](BfUsingFieldData* usingData)
- {
- BfUsingFieldData::Entry* entry = NULL;
- if (!usingData->mEntries.TryGetValue(findName, &entry))
- return;
- for (int listIdx = 0; listIdx < entry->mLookups.mSize; listIdx++)
- {
- bool passesProtection = true;
- auto& entryList = entry->mLookups[listIdx];
- for (int entryIdx = 0; entryIdx < entryList.mSize; entryIdx++)
- {
- auto& entry = entryList[entryIdx];
- BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
- if (!mModule->CheckProtection(protectionCheckFlags, entry.mTypeInstance, entry.GetDeclaringType(mModule)->mProject,
- (entryIdx < entryList.mSize - 1) ? entry.GetUsingProtection() : entry.GetProtection(), curCheckType))
- {
- passesProtection = false;
- break;
- }
- }
- if (!passesProtection)
- continue;
- if (foundLists.mSize == 0)
- {
- foundLists.Add(&entryList);
- }
- else
- {
- if (entryList.mSize < foundLists[0]->mSize)
- {
- // New is shorter
- foundLists.Clear();
- foundLists.Add(&entryList);
- }
- else if (entryList.mSize > foundLists[0]->mSize)
- {
- // Ignore longer
- }
- else
- {
- foundLists.Add(&entryList);
- }
- }
- }
- };
- if ((curCheckType->mTypeInfoEx != NULL) && (curCheckType->mTypeInfoEx->mUsingFieldData != NULL))
- _CheckUsingData(curCheckType->mTypeInfoEx->mUsingFieldData);
- if (!foundLists.IsEmpty())
- {
- auto foundList = foundLists[0];
- if (foundLists.mSize > 1)
- {
- BfError* error = mModule->Fail("Ambiguous 'using' field reference", targetSrc);
- if (error != NULL)
- {
- for (auto checkList : foundLists)
- {
- String errorStr = "'";
- for (int entryIdx = 0; entryIdx < checkList->mSize; entryIdx++)
- {
- if (entryIdx == 0)
- errorStr += (*checkList)[entryIdx].GetFullName(mModule);
- else
- {
- errorStr += ".";
- errorStr += (*checkList)[entryIdx].GetName(mModule);
- }
- }
- errorStr += "' is a candidate";
- mModule->mCompiler->mPassInstance->MoreInfo(errorStr, (*checkList)[0].GetRefNode(mModule));
- }
- }
- }
- BfTypedValue curResult = target;
- for (int entryIdx = 0; entryIdx < foundList->mSize; entryIdx++)
- {
- if ((entryIdx == 0) && (foundList->back().IsStatic()))
- entryIdx = (int)foundList->mSize - 1;
- auto& entry = (*foundList)[entryIdx];
- if (mPropDef != NULL)
- {
- SetAndRestoreValue<BfTypedValue> prevResult(mResult, BfTypedValue());
- mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_Friend);
- curResult = GetResult();
- if (!curResult)
- return curResult;
- }
- auto useFlags = flags;
- if (entryIdx < foundList->mSize - 1)
- useFlags = (BfLookupFieldFlags)(flags | BfLookupFieldFlag_IsAnonymous);
- if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Field)
- {
- curResult = LoadField(targetSrc, curResult, entry.mTypeInstance, entry.mTypeInstance->mTypeDef->mFields[entry.mIdx], useFlags);
- }
- else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Property)
- {
- curResult = LoadProperty(targetSrc, curResult, entry.mTypeInstance, entry.mTypeInstance->mTypeDef->mProperties[entry.mIdx], useFlags, BfCheckedKind_NotSet, false);
- }
- else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Local)
- {
- auto localDef = mModule->mCurMethodState->mLocals[entry.mIdx];
- curResult = LoadLocal(localDef);
- }
- if ((!curResult) && (mPropDef == NULL))
- return curResult;
- if (entryIdx == foundList->mSize - 1)
- {
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(targetSrc)))
- autoComplete->SetDefinitionLocation(entry.GetRefNode(mModule));
- if ((autoComplete != NULL) && (autoComplete->CheckFixit(targetSrc)))
- autoComplete->FixitAddFullyQualify(targetSrc, findName, *foundList);
- }
- }
- return curResult;
- }
- }
- if ((!isBaseLookup) && (startCheckType->IsInterface() && (checkInterfaceIdx < (int)startCheckType->mInterfaces.size())))
- {
- curCheckType = startCheckType->mInterfaces[checkInterfaceIdx].mInterfaceType;
- checkInterfaceIdx++;
- }
- else
- {
- isBaseLookup = true;
- curCheckType = curCheckType->mBaseType;
- }
- }
- }
-
- auto outerTypeDef = mModule->GetOuterType(startCheckType);
- if (outerTypeDef != NULL)
- {
- BfLookupFieldFlags newFlags = BfLookupFieldFlag_CheckingOuter;
- if (((flags & BfLookupFieldFlag_HasInstance) != 0) &&
- ((flags & BfLookupFieldFlag_IsImplicitThis) == 0))
- newFlags = (BfLookupFieldFlags)(newFlags | BfLookupFieldFlag_HasInstance);
- // Check statics in outer type
- return LookupField(targetSrc, BfTypedValue(outerTypeDef), fieldName, newFlags);
- }
- return BfTypedValue();
- }
- void BfExprEvaluator::ResolveArgValues(BfResolvedArgs& resolvedArgs, BfResolveArgsFlags flags)
- {
- static int idx = 0;
- idx++;
- int curIdx = idx;
- if (resolvedArgs.mArguments == NULL)
- return;
- int argCount = (int)resolvedArgs.mArguments->size();
- if ((resolvedArgs.mCommas != NULL) && (resolvedArgs.mCommas->size() != 0) && (resolvedArgs.mCommas->size() >= resolvedArgs.mArguments->size()))
- {
- //mModule->FailAfter("Expression expected", resolvedArgs.mCommas->back());
- argCount++;
- }
- BfAutoComplete* autoComplete = GetAutoComplete();
- bool hadIgnoredFixits = false;
- if (autoComplete != NULL)
- {
- hadIgnoredFixits = autoComplete->mIgnoreFixits;
- if (flags & BfResolveArgsFlag_DeferFixits)
- autoComplete->mIgnoreFixits = true;
- }
- int deferredArgIdx = 0;
- SizedArray<BfExpression*, 8> deferredArgs;
- int argIdx = 0;
- while (true)
- {
- //printf("Args: %p %p %d\n", resolvedArgs.mArguments, resolvedArgs.mArguments->mVals, resolvedArgs.mArguments->mSize);
- BfExpression* argExpr = NULL;
- bool isDeferredArg = false;
- int curArgIdx = -1;
- if (deferredArgIdx < deferredArgs.size())
- {
- argExpr = deferredArgs[deferredArgIdx++];
- isDeferredArg = true;
- }
- else if (argIdx >= argCount)
- {
- break;
- }
- else
- {
- curArgIdx = argIdx++;
- if (curArgIdx < resolvedArgs.mArguments->size())
- argExpr = (*resolvedArgs.mArguments)[curArgIdx];
- }
- if (argExpr == NULL)
- {
- if (curArgIdx == 0)
- {
- if (resolvedArgs.mOpenToken != NULL)
- mModule->FailAfter("Expression expected", resolvedArgs.mOpenToken);
- }
- else if (resolvedArgs.mCommas != NULL)
- mModule->FailAfter("Expression expected", (*resolvedArgs.mCommas)[curArgIdx - 1]);
- }
- if (auto typedValueExpr = BfNodeDynCast<BfTypedValueExpression>(argExpr))
- {
- BfResolvedArg resolvedArg;
- resolvedArg.mTypedValue = typedValueExpr->mTypedValue;
- if (resolvedArg.mTypedValue.IsParams())
- resolvedArg.mArgFlags = BfArgFlag_ParamsExpr;
- resolvedArg.mExpression = typedValueExpr->mRefNode;
- resolvedArgs.mResolvedArgs.push_back(resolvedArg);
- continue;
- }
- BfResolvedArg resolvedArg;
- if (isDeferredArg)
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_StringInterpolateArg);
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mResolveGenericParam = (flags & BfResolveArgsFlag_AllowUnresolvedTypes) == 0;
- exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowRefExpr | BfEvalExprFlags_AllowOutExpr |
- (mBfEvalExprFlags & (BfEvalExprFlags_Comptime)));
- bool handled = false;
- bool evaluated = false;
- if (auto namedExpression = BfNodeDynCastExact<BfNamedExpression>(argExpr))
- {
- resolvedArg.mNameNode = namedExpression->mNameNode;
- argExpr = namedExpression->mExpression;
- }
- if (auto interpolateExpr = BfNodeDynCastExact<BfStringInterpolationExpression>(argExpr))
- {
- if ((interpolateExpr->mAllocNode == NULL) || ((flags & BfResolveArgsFlag_InsideStringInterpolationAlloc) != 0))
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_StringInterpolateFormat);
- for (auto innerExpr : interpolateExpr->mExpressions)
- deferredArgs.Add(innerExpr);
- }
- }
- if (auto unaryOpExpr = BfNodeDynCastExact<BfUnaryOperatorExpression>(argExpr))
- {
- if ((unaryOpExpr->mOp == BfUnaryOp_Cascade) && ((flags & BfResolveArgsFlag_FromIndexer) == 0))
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_InCascade) != 0)
- mModule->Fail("Cascade already specified on call target", unaryOpExpr->mOpToken);
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_Cascade);
- argExpr = unaryOpExpr->mExpression;
- }
- }
- bool deferParamEval = false;
- if ((flags & BfResolveArgsFlag_DeferParamEval) != 0)
- {
- if (argExpr != NULL)
- {
- BfDeferEvalChecker deferEvalChecker;
- if ((flags & BfResolveArgsFlag_DeferStrings) != 0)
- deferEvalChecker.mDeferStrings = true;
- deferEvalChecker.mDeferDelegateBind = false;
- deferEvalChecker.Check(argExpr);
- deferParamEval = deferEvalChecker.mNeedsDeferEval;
- }
- }
- if (deferParamEval)
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_DeferredEval);
- handled = true;
- }
- else if (auto delegateBindExpression = BfNodeDynCast<BfDelegateBindExpression>(argExpr))
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_DelegateBindAttempt);
- handled = true;
- }
- else if (auto lambdaBindExpression = BfNodeDynCast<BfLambdaBindExpression>(argExpr))
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_LambdaBindAttempt);
- handled = true;
- }
- else if (auto defaultExpr = BfNodeDynCast<BfDefaultExpression>(argExpr))
- {
- if (defaultExpr->mTypeRef == NULL)
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_UntypedDefault);
- handled = true;
- }
- }
- else if (auto varDeclExpr = BfNodeDynCast<BfVariableDeclaration>(argExpr))
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_VariableDeclaration);
- handled = true;
- }
- else if (auto unaryExpr = BfNodeDynCast<BfUnaryOperatorExpression>(argExpr))
- {
- if (unaryExpr->mOp == BfUnaryOp_Params)
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_ParamsExpr);
- }
- }
- else if (auto uninitExpr = BfNodeDynCast<BfUninitializedExpression>(argExpr))
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_UninitializedExpr);
- handled = true;
- }
- if (!handled)
- {
- BfAstNode* checkArgExpr = argExpr;
- while (checkArgExpr != NULL)
- {
- if (auto memberRef = BfNodeDynCast<BfMemberReferenceExpression>(checkArgExpr))
- {
- if (memberRef->mTarget == NULL)
- {
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_UnqualifiedDotAttempt);
- handled = true;
- break;
- }
- else
- checkArgExpr = memberRef->mTarget;
- }
- else if (auto invokeExpr = BfNodeDynCast<BfInvocationExpression>(checkArgExpr))
- {
- checkArgExpr = invokeExpr->mTarget;
- }
- else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(checkArgExpr))
- {
- checkArgExpr = parenExpr->mExpression;
- }
- else
- break;
- }
- }
- if ((argExpr != NULL) && (!handled))
- {
- bool deferParamValues = (flags & BfResolveArgsFlag_DeferParamValues) != 0;
- SetAndRestoreValue<bool> ignoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites || deferParamValues);
- auto prevInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
- if (deferParamValues)
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_DeferredValue);
- if (!evaluated)
- {
- exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_AllowParamsExpr);
- if ((resolvedArg.mArgFlags & BfArgFlag_StringInterpolateFormat) != 0)
- exprEvaluator.mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator.mBfEvalExprFlags | BfEvalExprFlags_StringInterpolateFormat);
- int lastLocalVarIdx = (mModule->mCurMethodState != NULL) ? mModule->mCurMethodState->mLocals.mSize : 0;
- exprEvaluator.Evaluate(argExpr, false, false, true);
- if ((deferParamValues) && (mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mLocals.mSize > lastLocalVarIdx))
- {
- // Remove any ignored locals
- mModule->RestoreScoreState_LocalVariables(lastLocalVarIdx);
- }
- }
- if ((mModule->mCurMethodState != NULL) && (exprEvaluator.mResultLocalVar != NULL) && (exprEvaluator.mResultLocalVarRefNode != NULL))
- {
- auto localVar = exprEvaluator.mResultLocalVar;
- int fieldIdx = mResultLocalVarField - 1;
- auto methodState = mModule->mCurMethodState->GetMethodStateForLocal(localVar);
- if (localVar->mCompositeCount >= 0)
- {
- if ((resolvedArg.mArgFlags & BfArgFlag_ParamsExpr) != 0)
- {
- for (int compositeIdx = 0; compositeIdx < localVar->mCompositeCount; compositeIdx++)
- {
- BfResolvedArg compositeResolvedArg;
- auto compositeLocalVar = methodState->mLocals[localVar->mLocalVarIdx + compositeIdx + 1];
- auto argValue = exprEvaluator.LoadLocal(compositeLocalVar, true);
- if (argValue)
- {
- if (!argValue.mType->IsStruct())
- argValue = mModule->LoadValue(argValue, NULL, exprEvaluator.mIsVolatileReference);
- }
- resolvedArg.mTypedValue = argValue;
- resolvedArg.mExpression = argExpr;
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_FromParamComposite);
- resolvedArgs.mResolvedArgs.push_back(resolvedArg);
- exprEvaluator.mIsVolatileReference = false;
- }
- if ((localVar->mResolvedType->IsModifiedTypeType()) && (((BfModifiedTypeType*)localVar->mResolvedType)->mModifiedKind == BfToken_Params))
- {
- // Is a 'params'
- }
- else
- continue;
- }
- else
- exprEvaluator.mResult = mModule->LoadOrAggregateValue(exprEvaluator.mResult);
- }
- }
- exprEvaluator.CheckResultForReading(exprEvaluator.mResult);
- auto argValue = exprEvaluator.mResult;
- if (argValue)
- {
- mModule->mBfIRBuilder->PopulateType(argValue.mType);
- resolvedArg.mResolvedType = argValue.mType;
- if (resolvedArg.mResolvedType->IsRef())
- argValue.mKind = BfTypedValueKind_Value;
- if (exprEvaluator.mIsVolatileReference)
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_Volatile);
- }
- resolvedArg.mUncastedTypedValue = argValue;
- resolvedArg.mTypedValue = argValue;
- if (deferParamValues)
- mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
- }
- resolvedArg.mExpression = argExpr;
- resolvedArgs.mResolvedArgs.push_back(resolvedArg);
- }
- if (autoComplete != NULL)
- autoComplete->mIgnoreFixits = hadIgnoredFixits;
- }
- void BfExprEvaluator::PerformCallChecks(BfMethodInstance* methodInstance, BfAstNode* targetSrc)
- {
- BfCustomAttributes* customAttributes = methodInstance->GetCustomAttributes();
- if (customAttributes != NULL)
- mModule->CheckErrorAttributes(methodInstance->GetOwner(), methodInstance, NULL, customAttributes, targetSrc);
- }
- void BfExprEvaluator::CheckSkipCall(BfAstNode* targetSrc, SizedArrayImpl<BfResolvedArg>& argValues)
- {
- for (auto& argValue : argValues)
- {
- if ((!argValue.IsDeferredValue()) && (argValue.mExpression != NULL))
- {
- mModule->Fail("Illegal SkipCall invocation", targetSrc);
- return;
- }
- }
- }
- BfTypedValue BfExprEvaluator::CreateCall(BfAstNode* targetSrc, BfMethodInstance* methodInstance, BfIRValue func, bool bypassVirtual, SizedArrayImpl<BfIRValue>& irArgs, BfTypedValue* sret, BfCreateCallFlags callFlags, BfType* origTargetType)
- {
- // static int sCallIdx = 0;
- // if (!mModule->mCompiler->mIsResolveOnly)
- // sCallIdx++;
- // int callIdx = sCallIdx;
- // if (callIdx == 0x000000E8)
- // {
- // NOP;
- // }
- bool isDelegateThunk = ((callFlags & (BfCreateCallFlags_DelegateThunkNonStatic | BfCreateCallFlags_DelegateThunkStatic)) != 0);
- auto methodDef = methodInstance->mMethodDef;
- BfIRValue funcCallInst = func;
- auto importCallKind = methodInstance->GetImportCallKind();
- if ((funcCallInst) && (importCallKind != BfImportCallKind_None))
- {
- if ((funcCallInst.IsFake()) && (!mModule->mBfIRBuilder->mIgnoreWrites))
- {
- mModule->mFuncReferences.TryGetValue(methodInstance, &funcCallInst);
- }
- if ((importCallKind == BfImportCallKind_GlobalVar) &&
- (methodInstance->mHotMethod == NULL) &&
- (mModule->mCompiler->IsHotCompile()))
- {
- // This may actually be a BfImportCallKind_GlobalVar_Hot, so check it...
- mModule->CheckHotMethod(methodInstance, "");
- importCallKind = methodInstance->GetImportCallKind();
- }
- if (importCallKind == BfImportCallKind_GlobalVar_Hot)
- {
- //TODO: Check against NULL for calling BfLoadSharedLibraries
- auto checkVal = mModule->mBfIRBuilder->CreateLoad(funcCallInst);
- BfIRBlock nullBlock = mModule->mBfIRBuilder->CreateBlock("importNull");
- BfIRBlock doneBlock = mModule->mBfIRBuilder->CreateBlock("importLoad");
- auto condVal = mModule->mBfIRBuilder->CreateIsNull(checkVal);
- mModule->mBfIRBuilder->CreateCondBr(condVal, nullBlock, doneBlock);
- mModule->mBfIRBuilder->AddBlock(nullBlock);
- mModule->mBfIRBuilder->SetInsertPoint(nullBlock);
- auto loadSharedLibsFunc = mModule->GetBuiltInFunc(BfBuiltInFuncType_LoadSharedLibraries);
- mModule->mBfIRBuilder->CreateCall(loadSharedLibsFunc, SizedArray<BfIRValue, 0>());
- mModule->mBfIRBuilder->CreateBr(doneBlock);
- mModule->mBfIRBuilder->AddBlock(doneBlock);
- mModule->mBfIRBuilder->SetInsertPoint(doneBlock);
- funcCallInst = mModule->mBfIRBuilder->CreateLoad(funcCallInst);
- }
- else
- {
- funcCallInst = mModule->mBfIRBuilder->CreateLoad(funcCallInst);
- }
- }
- if ((methodInstance->GetOwner()->IsInstanceOf(mModule->mCompiler->mDeferredCallTypeDef)) &&
- (methodInstance->mMethodDef->mName == "Cancel"))
- {
- if (mModule->mCurMethodState != NULL)
- mModule->mCurMethodState->mCancelledDeferredCall = true;
- }
- if ((methodDef->mIsNoReturn) && ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) == 0))
- {
- mModule->mCurMethodState->SetHadReturn(true);
- mModule->mCurMethodState->mLeftBlockUncond = true;
- mModule->MarkScopeLeft(&mModule->mCurMethodState->mHeadScope, true);
- }
- if (mModule->mCurTypeInstance != NULL)
- {
- bool isVirtual = (methodInstance->mVirtualTableIdx != -1) && (!bypassVirtual);
- mModule->AddDependency(methodInstance->mMethodInstanceGroup->mOwner, mModule->mCurTypeInstance, isVirtual ? BfDependencyMap::DependencyFlag_VirtualCall : BfDependencyMap::DependencyFlag_Calls);
- mModule->AddCallDependency(methodInstance, bypassVirtual);
- }
- if (methodInstance->GetOwner()->IsUnspecializedType())
- {
- BF_ASSERT((!methodInstance->mIRFunction) || (methodInstance == mModule->mCurMethodInstance) || (methodInstance->mMethodDef->mIsLocalMethod));
- }
- if (mFunctionBindResult != NULL)
- {
- BF_ASSERT(mFunctionBindResult->mMethodInstance == NULL);
- mFunctionBindResult->mMethodInstance = methodInstance;
- for (auto arg : irArgs)
- mFunctionBindResult->mIRArgs.push_back(arg);
- }
- BfType* origReturnType = methodInstance->mReturnType;
- /*if (origReturnType->IsSelf())
- {
- origReturnType = methodInstance->GetOwner();
- BF_ASSERT(origReturnType->IsInterface());
- }*/
- BfType* returnType = origReturnType;
- BfTypedValue sretVal;
- auto _GetDefaultReturnValue = [&]()
- {
- if (methodInstance->mVirtualTableIdx == -1)
- {
- if (methodInstance->GetOwner()->IsInterface())
- {
- // We're attempting to directly invoke a non-virtual interface method, if we're return an interface then
- // it is a concrete interface
- if (returnType->IsInterface())
- returnType = mModule->CreateConcreteInterfaceType(returnType->ToTypeInstance());
- }
- }
- if ((returnType->IsVar()) && (mExpectingType != NULL))
- returnType = mExpectingType;
- if (returnType->IsRef())
- {
- auto result = mModule->GetDefaultTypedValue(returnType->GetUnderlyingType(), true, BfDefaultValueKind_Addr);
- if (methodDef->mIsReadOnly)
- result.mKind = BfTypedValueKind_ReadOnlyAddr;
- return result;
- }
- else
- {
- auto val = mModule->GetDefaultTypedValue(returnType, true, (GetStructRetIdx(methodInstance) != -1) ? BfDefaultValueKind_Addr : BfDefaultValueKind_Value);
- if (val.mKind == BfTypedValueKind_Addr)
- val.mKind = BfTypedValueKind_RestrictedTempAddr;
- return val;
- }
- };
- mModule->PopulateType(origReturnType, BfPopulateType_Data);
- if ((GetStructRetIdx(methodInstance) != -1) && (!isDelegateThunk))
- {
- // We need to ensure that mReceivingValue has the correct type, otherwise it's possible that a conversion operator needs to be applied
- // This happens for returning Result<T>'s with a 'T' value
- if ((sret == NULL) && (mReceivingValue != NULL) && (mReceivingValue->mType == returnType))
- {
- sretVal = *mReceivingValue;
- sret = &sretVal;
- auto ptrType = mModule->CreatePointerType(returnType);
- if (returnType != sret->mType)
- {
- sret->mValue = mModule->mBfIRBuilder->CreateBitCast(sret->mValue, mModule->mBfIRBuilder->MapType(ptrType));
- sret->mType = returnType;
- }
- mReceivingValue = NULL;
- }
- if (sret == NULL)
- {
- sretVal = BfTypedValue(mModule->CreateAlloca(returnType), returnType, BfTypedValueKind_RestrictedTempAddr);
- sret = &sretVal;
- }
- }
- else
- {
- BF_ASSERT(sret == NULL);
- }
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
- {
- if ((methodInstance->mComptimeFlags & BfComptimeFlag_ConstEval) != 0)
- {
- // We need to perform call such as Compiler.Mixin and String.ConstF
- }
- else
- return _GetDefaultReturnValue();
- }
- BF_ASSERT(!methodInstance->mDisallowCalling);
- if ((mModule->mCompiler->mResolvePassData != NULL) && (mModule->mCompiler->mResolvePassData->mAutoComplete != NULL))
- {
- bool wantQuickEval = true;
- if (IsComptime())
- {
- auto autoComplete = mModule->mCompiler->mResolvePassData->mAutoComplete;
- wantQuickEval =
- ((autoComplete->mResolveType != BfResolveType_Autocomplete) &&
- (autoComplete->mResolveType != BfResolveType_Autocomplete_HighPri) &&
- (autoComplete->mResolveType != BfResolveType_GetResultString));
- for (auto& entry : mModule->mCompiler->mResolvePassData->mEmitEmbedEntries)
- {
- if (entry.mValue.mCursorIdx >= 0)
- {
- // Needed for Go To Definition in Compiler.Mixin
- wantQuickEval = false;
- }
- }
- }
- if (wantQuickEval)
- {
- // In an autocomplete pass we may have stale method references that need to be resolved
- // in the full classify pass, and in the full classify pass while just refreshing internals, we
- // may have NULL funcs temporarily. We simply skip generating the method call here.
- if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
- {
- if (methodInstance->mReturnType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef))
- {
- if ((mExpectingType != NULL) && (mExpectingType->IsSizedArray()))
- {
- return BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(mExpectingType)), mExpectingType);
- }
- }
- auto returnType = methodInstance->mReturnType;
- if ((returnType->IsVar()) && (mExpectingType != NULL))
- returnType = mExpectingType;
- if (methodInstance->mReturnType->IsValuelessType())
- return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), returnType);
- return BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(returnType)), returnType);
- }
- BfTypedValue result;
- if (sret != NULL)
- result = *sret;
- else
- result = _GetDefaultReturnValue();
- return result;
- }
- }
- bool forceBind = false;
- if (mModule->mCompiler->mCeMachine != NULL)
- {
- bool doConstReturn = false;
- if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
- {
- if (mFunctionBindResult != NULL)
- {
- forceBind = true;
- }
- else if ((mBfEvalExprFlags & BfEvalExprFlags_InCascade) != 0)
- {
- mModule->Fail("Const evaluation not allowed with cascade operator", targetSrc);
- }
- else if (((methodInstance->mComptimeFlags & BfComptimeFlag_OnlyFromComptime) != 0) && (!mModule->mIsComptimeModule))
- {
- // This either generated an error already or this is just the non-const type check pass for a comptime-only method
- doConstReturn = true;
- }
- else if ((mBfEvalExprFlags & BfEvalExprFlags_DisallowComptime) != 0)
- {
- doConstReturn = true;
- }
- else if (((callFlags & BfCreateCallFlags_GenericParamThis) != 0) && (methodInstance->GetOwner()->IsInterface()))
- {
- mModule->Warn(0, "Concrete method may fail to comptime during specialization", targetSrc);
- doConstReturn = true;
- }
- else if (methodDef->mIsVirtual)
- {
- // This could only really be the case for a Type, since no other 'this' could qualify as const
- }
- else
- {
- CeEvalFlags evalFlags = CeEvalFlags_None;
- if ((mBfEvalExprFlags & BfEvalExprFlags_NoCeRebuildFlags) != 0)
- evalFlags = (CeEvalFlags)(evalFlags | CeEvalFlags_NoRebuild);
- if ((mModule->mIsComptimeModule) && (mModule->mCompiler->mCeMachine->mDebugger != NULL) && (mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState != NULL))
- {
- auto ceDbgState = mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState;
- if ((ceDbgState->mDbgExpressionFlags & DwEvalExpressionFlag_AllowCalls) != 0)
- {
- ceDbgState->mHadSideEffects = true;
- //SetAndRestoreValue<CeDebugger*> prevDebugger(mModule->mCompiler->mCeMachine->mDebugger, NULL);
- evalFlags = (CeEvalFlags)(evalFlags | CeEvalFlags_DbgCall);
- auto result = ceDbgState->mCeContext->Call(targetSrc, mModule, methodInstance, irArgs, evalFlags, mExpectingType);
- if (result)
- return result;
- }
- else
- {
- ceDbgState->mBlockedSideEffects = true;
- }
- }
- else
- {
- CeCallSource ceCallSource(targetSrc);
- ceCallSource.mOrigCalleeType = origTargetType;
- auto constRet = mModule->mCompiler->mCeMachine->Call(ceCallSource, mModule, methodInstance, irArgs, evalFlags, mExpectingType);
- if (constRet)
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(constRet.mValue);
- BF_ASSERT(!constRet.mType->IsVar());
- return constRet;
- }
- if (mModule->mCompiler->mFastFinish)
- {
- if ((mModule->mCurMethodInstance == NULL) || (!mModule->mCurMethodInstance->mIsAutocompleteMethod))
- {
- // We didn't properly resolve this so queue for a rebuild later
- mModule->DeferRebuildType(mModule->mCurTypeInstance);
- }
- }
- doConstReturn = true;
- }
- }
- }
- else if (mModule->mIsComptimeModule)
- {
- //TODO: This meant that unspecialized types were not even allowed to have Init methods that called into themselves
- // if (methodInstance->mIsUnspecialized)
- // {
- // doConstReturn = true;
- // }
- // else
- {
- mModule->mCompiler->mCeMachine->QueueMethod(methodInstance, func);
- }
- }
- if (doConstReturn)
- {
- if ((returnType->IsVar()) && (mExpectingType != NULL))
- returnType = mExpectingType;
- if (returnType->IsRef())
- {
- return _GetDefaultReturnValue();
- }
- else
- {
- if (returnType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef))
- {
- if ((mExpectingType != NULL) && (mExpectingType->IsUndefSizedArray()))
- {
- if (returnType->GetUnderlyingType() == mExpectingType->GetUnderlyingType())
- return mModule->GetDefaultTypedValue(mExpectingType, true, BfDefaultValueKind_Undef);
- }
- }
- if (methodInstance->mReturnType->IsValuelessType())
- return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), returnType);
- return mModule->GetDefaultTypedValue(returnType, true, BfDefaultValueKind_Undef);
- }
- return _GetDefaultReturnValue();
- }
- }
- if (!forceBind)
- {
- if (((!func) && (methodInstance->mIsUnspecialized)) || (mModule->mBfIRBuilder->mIgnoreWrites))
- {
- // We don't actually submit method calls for unspecialized methods
- // - this includes all methods in unspecialized types
- return _GetDefaultReturnValue();
- }
- }
- if (methodInstance->mVirtualTableIdx != -1)
- {
- if ((!bypassVirtual) && (mDeferCallData == NULL))
- {
- if ((methodDef->mIsOverride) && (mModule->mCurMethodInstance->mIsReified))
- {
- // Ensure that declaring method gets referenced
- auto typeInstance = methodInstance->GetOwner();
- auto& vEntry = typeInstance->mVirtualMethodTable[methodInstance->mVirtualTableIdx];
- BfMethodInstance* declaringMethodInstance = vEntry.mDeclaringMethod;
- if ((declaringMethodInstance->mMethodInstanceGroup->mOnDemandKind < BfMethodOnDemandKind_InWorkList) || (!declaringMethodInstance->mIsReified))
- mModule->GetMethodInstance(declaringMethodInstance);
- }
- auto funcType = mModule->mBfIRBuilder->MapMethod(methodInstance);
- auto funcPtrType1 = mModule->mBfIRBuilder->GetPointerTo(funcType);
- auto funcPtrType2 = mModule->mBfIRBuilder->GetPointerTo(funcPtrType1);
- auto funcPtrType3 = mModule->mBfIRBuilder->GetPointerTo(funcPtrType2);
- auto funcPtrType4 = mModule->mBfIRBuilder->GetPointerTo(funcPtrType3);
- if (methodInstance->mMethodInstanceGroup->mOwner->IsInterface())
- {
- if (mModule->mIsComptimeModule)
- {
- funcCallInst = mModule->mBfIRBuilder->Comptime_GetInterfaceFunc(irArgs[0], methodInstance->mMethodInstanceGroup->mOwner->mTypeId, methodInstance->mMethodDef->mIdx, funcPtrType1);
- }
- else
- {
- // IFace dispatch
- auto ifaceTypeInst = methodInstance->mMethodInstanceGroup->mOwner;
- BfIRValue slotOfs = mModule->GetInterfaceSlotNum(methodInstance->mMethodInstanceGroup->mOwner);
- auto vDataPtrPtr = mModule->mBfIRBuilder->CreateBitCast(irArgs[0], funcPtrType4);
- auto vDataPtr = mModule->FixClassVData(mModule->mBfIRBuilder->CreateLoad(vDataPtrPtr/*, "vtable"*/));
- auto ifacePtrPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(vDataPtr, slotOfs/*, "iface"*/);
- auto ifacePtr = mModule->mBfIRBuilder->CreateLoad(ifacePtrPtr);
- auto funcPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(ifacePtr, methodInstance->mVirtualTableIdx/*, "vfn"*/);
- funcCallInst = mModule->mBfIRBuilder->CreateLoad(funcPtr);
- }
- }
- else if (mModule->mIsComptimeModule)
- {
- funcCallInst = mModule->mBfIRBuilder->Comptime_GetVirtualFunc(irArgs[0], methodInstance->mVirtualTableIdx, funcPtrType1);
- }
- else
- {
- mModule->HadSlotCountDependency();
- // Virtual dispatch
- // int vDataIdx = 0;
- // vDataIdx += 1 + methodInstance->GetOwner()->GetDynCastVDataCount() + mModule->mCompiler->mMaxInterfaceSlots;
- BfIRValue vDataPtr;
- BfIRValue vDataIdx;
- if ((mModule->mCompiler->mOptions.mHasVDataExtender) && (mModule->mCompiler->IsHotCompile()))
- {
- auto typeInst = methodInstance->mMethodInstanceGroup->mOwner;
- int extMethodIdx = (methodInstance->mVirtualTableIdx - typeInst->GetImplBaseVTableSize()) - typeInst->GetOrigSelfVTableSize();
- if (extMethodIdx >= 0)
- {
- BF_ASSERT(mModule->mCompiler->IsHotCompile());
- // We have grown outside our original virtual table, Load the new vdataPtr from the mHasVDataExtender
- // vDataPtr = obj.vtable.extension.entry[curVersion]
- BfIRValue vDataPtrPtr = mModule->mBfIRBuilder->CreateBitCast(irArgs[0], funcPtrType4);
- vDataPtr = mModule->FixClassVData(mModule->mBfIRBuilder->CreateLoad(vDataPtrPtr));
- // The offset of the vExt is one past the base vtable. When a base class extends its virtual table, an entry
- // for that new method is inserted in mVirtualMethodTable (thus increasing the index relative to GetBaseVTableSize()),
- // but the actual written vtable position doesn't change, hence offsetting from GetOrigBaseVTableSize()
- #ifdef _DEBUG
- int vExtIdx = typeInst->GetImplBaseVTableSize();
- BF_ASSERT(typeInst->mVirtualMethodTable[vExtIdx].mDeclaringMethod.mMethodNum == -1); // A type entry with a -1 mMethodNum means it's a vtable ext slot
- #endif
- int vExtOfs = typeInst->GetOrigImplBaseVTableSize();
- vDataIdx = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, mModule->mCompiler->GetVDataPrefixDataCount() + mModule->mCompiler->GetDynCastVDataCount() + mModule->mCompiler->mMaxInterfaceSlots);
- vDataIdx = mModule->mBfIRBuilder->CreateAdd(vDataIdx, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, vExtOfs));
- BfIRValue extendPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(vDataPtr, vDataIdx);
- vDataPtr = mModule->mBfIRBuilder->CreateLoad(extendPtr);
- vDataIdx = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, extMethodIdx);
- }
- else
- {
- // Map this new virtual index back to the original index
-
- // Find the type instance that declared the original method
- auto declTypeInst = typeInst;
- while (declTypeInst->mBaseType != NULL)
- {
- mModule->PopulateType(declTypeInst->mBaseType, BfPopulateType_DataAndMethods);
- if (methodInstance->mVirtualTableIdx >= declTypeInst->mBaseType->mVirtualMethodTableSize)
- break;
- BF_ASSERT(methodInstance->mMethodDef->mIsOverride);
- declTypeInst = declTypeInst->mBaseType;
- }
- vDataIdx = mModule->mBfIRBuilder->GetConfigConst(BfIRConfigConst_VirtualMethodOfs, BfTypeCode_Int32);
- vDataIdx = mModule->mBfIRBuilder->CreateAdd(vDataIdx, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32,
- (methodInstance->mVirtualTableIdx - declTypeInst->GetImplBaseVTableSize()) + declTypeInst->GetOrigImplBaseVTableSize()));
- }
- }
- else
- {
- vDataIdx = mModule->mBfIRBuilder->GetConfigConst(BfIRConfigConst_VirtualMethodOfs, BfTypeCode_Int32);
- vDataIdx = mModule->mBfIRBuilder->CreateAdd(vDataIdx, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, methodInstance->mVirtualTableIdx));
- }
- if (!vDataPtr)
- {
- BfIRValue vDataPtrPtr = mModule->mBfIRBuilder->CreateBitCast(irArgs[0], funcPtrType3);
- vDataPtr = mModule->FixClassVData(mModule->mBfIRBuilder->CreateLoad(vDataPtrPtr/*, "vtable"*/));
- }
- auto funcPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(vDataPtr, vDataIdx/*, "vfn"*/);
- funcCallInst = mModule->mBfIRBuilder->CreateLoad(funcPtr);
- }
- }
- }
- else // non-virtual
- {
- if (methodInstance->GetOwner()->IsInterface())
- {
- // We're attempting to directly invoke a non-virtual interface method, this will happen during the unspecialized pass
- // OR if we had an error and didn't find an implementing member in the actual target
- if (((mModule->mCurMethodInstance == NULL) || (!mModule->mCurMethodInstance->mIsUnspecialized)) &&
- (!mModule->mCurTypeInstance->IsInterface()))
- mModule->AssertErrorState();
- if (returnType->IsInterface())
- returnType = mModule->CreateConcreteInterfaceType(returnType->ToTypeInstance());
- return _GetDefaultReturnValue();
- }
- }
- if (mFunctionBindResult != NULL)
- {
- mFunctionBindResult->mFunc = funcCallInst;
- if (irArgs.size() != 0)
- {
- auto targetType = methodInstance->mMethodInstanceGroup->mOwner;
- if ((targetType->IsValueType()) && (targetType->IsSplattable()) && (!methodDef->HasNoThisSplat()) && (!IsComptime()))
- mFunctionBindResult->mTarget = BfTypedValue(irArgs[0], targetType, BfTypedValueKind_SplatHead);
- else
- mFunctionBindResult->mTarget = BfTypedValue(irArgs[0], targetType, targetType->IsComposite() ? BfTypedValueKind_Addr : BfTypedValueKind_Value);
- }
- else
- {
- mFunctionBindResult->mTarget = BfTypedValue();
- }
- return BfTypedValue();
- }
- if (methodInstance->mReturnType == NULL)
- {
- mModule->AssertErrorState();
- return BfTypedValue();
- }
- if (((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized)) && (mModule->mBfIRBuilder->mIgnoreWrites))
- {
- // Don't actually do the call - our target may be a generic param
- return _GetDefaultReturnValue();
- }
- if (mDeferCallData != NULL)
- {
- if (mDeferCallData->mFuncAlloca_Orig == func)
- mModule->AddDeferredCall(BfModuleMethodInstance(methodInstance, mDeferCallData->mFuncAlloca), irArgs, mDeferCallData->mScopeAlloc, mDeferCallData->mRefNode, bypassVirtual, false, true);
- else
- mModule->AddDeferredCall(BfModuleMethodInstance(methodInstance, func), irArgs, mDeferCallData->mScopeAlloc, mDeferCallData->mRefNode, bypassVirtual);
- return mModule->GetFakeTypedValue(returnType);
- }
- if (!funcCallInst)
- {
- if ((mModule->HasCompiledOutput()) || (mModule->mCompiler->mOptions.mExtraResolveChecks))
- {
- // This can happen either from an error, or from the resolver while doing Internals_Changed processing
- mModule->AssertErrorState();
- }
- return _GetDefaultReturnValue();
- }
- bool hasResult = !methodInstance->mReturnType->IsValuelessType();
- BfIRValue firstArg;
- if (irArgs.size() != 0)
- firstArg = irArgs[0];
- auto methodInstOwner = methodInstance->GetOwner();
- auto expectCallingConvention = mModule->GetIRCallingConvention(methodInstance);
- if ((methodInstOwner->IsFunction()) && (methodInstance->GetParamCount() > 0) && (methodInstance->GetParamName(0) == "this"))
- {
- auto paramType = methodInstance->GetParamType(0);
- if (!paramType->IsValueType())
- expectCallingConvention = BfIRCallingConv_ThisCall;
- }
- if (((callFlags & BfCreateCallFlags_DelegateThunkStatic) != 0) && (expectCallingConvention == BfIRCallingConv_ThisCall))
- expectCallingConvention = BfIRCallingConv_CDecl;
- if ((methodInstance->mAlwaysInline) && (mModule->mCompiler->mOptions.mEmitLineInfo))
- {
- // Emit a NOP so we always have a "step over" point
- mModule->EmitEnsureInstructionAt();
- }
- if (returnType->IsComposite())
- mModule->mBfIRBuilder->PopulateType(returnType);
- methodInstance->mMethodInstanceGroup->mHasEmittedReference = true;
- BfIRValue callInst;
- int callIRArgCount = (int)irArgs.size();
- if (sret != NULL)
- {
- SizedArray<BfIRValue, 8> sretIRArgs;
- int sretIdx = GetStructRetIdx(methodInstance);
- int inIdx = 0;
- for (int outIdx = 0; outIdx < irArgs.size() + 1; outIdx++)
- {
- if (outIdx == sretIdx)
- {
- sretIRArgs.Add(sret->mValue);
- continue;
- }
- sretIRArgs.Add(irArgs[inIdx++]);
- }
- callInst = mModule->mBfIRBuilder->CreateCall(funcCallInst, sretIRArgs);
- callIRArgCount++;
- }
- else
- {
- callInst = mModule->mBfIRBuilder->CreateCall(funcCallInst, irArgs);
- if ((hasResult) && (!methodDef->mName.IsEmpty()) && (!methodInstance->mIsIntrinsic))
- mModule->mBfIRBuilder->SetName(callInst, methodDef->mName);
- }
- if ((expectCallingConvention != BfIRCallingConv_CDecl) && (!methodInstance->mIsIntrinsic))
- mModule->mBfIRBuilder->SetCallCallingConv(callInst, expectCallingConvention);
- if ((methodDef->mIsNoReturn) && (!methodInstance->mIsIntrinsic))
- mModule->mBfIRBuilder->Call_AddAttribute(callInst, -1, BfIRAttribute_NoReturn);
- bool hadAttrs = false;
- int paramIdx = 0;
- bool doingThis = methodInstance->HasThis();
- int argIdx = 0;
- if ((callFlags & BfCreateCallFlags_DelegateThunkStatic) != 0)
- doingThis = false;
- bool forceThisPtr = ((callFlags & BfCreateCallFlags_DelegateThunkNonStatic) != 0);
- if (methodDef->mHasExplicitThis)
- paramIdx++;
- int paramCount = methodInstance->GetParamCount();
- for ( ; argIdx < callIRArgCount ; )
- {
- if (methodInstance->mIsIntrinsic)
- break;
- if ((sret != NULL) && (argIdx == GetStructRetIdx(methodInstance)))
- {
- mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_StructRet);
- argIdx++;
- continue;
- }
- auto _HandleParamType = [&] (BfType* paramType)
- {
- if (paramType->IsStruct())
- {
- if ((!doingThis) || (!methodDef->mIsMutating && methodInstance->AllowsSplatting(paramIdx)))
- {
- BfTypeCode loweredTypeCode = BfTypeCode_None;
- BfTypeCode loweredTypeCode2 = BfTypeCode_None;
- if (paramType->GetLoweredType(BfTypeUsage_Parameter, &loweredTypeCode, &loweredTypeCode2))
- {
- argIdx++;
- if (loweredTypeCode2 != BfTypeCode_None)
- argIdx++;
- return; // Lowering never requires attributes
- }
- }
- }
- int addDeref = -1;
- if (paramType->IsRef())
- {
- auto refType = (BfRefType*)paramType;
- auto elementType = refType->mElementType;
- mModule->PopulateType(elementType, BfPopulateType_Data);
- addDeref = elementType->mSize;
- if ((addDeref <= 0) && (!elementType->IsValuelessType()))
- mModule->AssertErrorState();
- }
- if ((paramType->IsComposite()) && (!paramType->IsTypedPrimitive()))
- {
- if (mModule->mCompiler->mOptions.mAllowStructByVal)
- {
- //byval
- }
- else
- {
- mModule->PopulateType(paramType, BfPopulateType_Data);
- auto typeInst = paramType->ToTypeInstance();
- if ((typeInst != NULL) && (typeInst->mIsCRepr) && (typeInst->IsSplattable()) && (!IsComptime()))
- {
- // We're splatting
- }
- else
- {
- if (doingThis)
- {
- mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_NoCapture);
- addDeref = paramType->mSize;
- }
- else if (methodInstance->WantsStructsAttribByVal(paramType))
- {
- mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_ByVal, mModule->mSystem->mPtrSize);
- }
- }
- }
- }
- else if (paramType->IsPrimitiveType())
- {
- auto primType = (BfPrimitiveType*)paramType;
- if ((primType->mTypeDef->mTypeCode == BfTypeCode_Boolean) && (!methodInstance->mIsIntrinsic))
- mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_ZExt);
- }
- if (addDeref >= 0)
- {
- mModule->mBfIRBuilder->Call_AddAttribute(callInst, argIdx + 1, BfIRAttribute_Dereferencable, addDeref);
- }
- argIdx++;
- };
- BfType* paramType = NULL;
- if (doingThis)
- {
- int thisIdx = methodInstance->GetThisIdx();
- paramType = methodInstance->GetThisType();
- if (paramType->IsValuelessType())
- {
- doingThis = false;
- continue;
- }
- bool isSplatted = methodInstance->GetParamIsSplat(thisIdx) && (!IsComptime()); // (resolvedTypeRef->IsSplattable()) && (!methodDef->mIsMutating);
- if (isSplatted)
- {
- BfTypeUtils::SplatIterate(_HandleParamType, paramType);
- doingThis = false;
- continue;
- }
- else
- _HandleParamType(paramType);
- }
- else
- {
- if (paramIdx >= methodInstance->GetParamCount())
- break;
- paramType = methodInstance->GetParamType(paramIdx);
- BfTypeCode loweredTypeCode = BfTypeCode_None;
- BfTypeCode loweredTypeCode2 = BfTypeCode_None;
- if (paramType->GetLoweredType(BfTypeUsage_Parameter, &loweredTypeCode, &loweredTypeCode2))
- {
- argIdx++;
- paramIdx++;
- if (loweredTypeCode2 != BfTypeCode_None)
- argIdx++;
- continue;
- }
- if ((paramType->IsValuelessType()) && (!paramType->IsMethodRef()))
- {
- paramIdx++;
- continue;
- }
- if ((methodInstance->GetParamIsSplat(paramIdx)) && (!IsComptime()))
- {
- BfTypeUtils::SplatIterate(_HandleParamType, paramType);
- paramIdx++;
- continue;
- }
- else
- _HandleParamType(methodInstance->GetParamType(paramIdx));
- }
- if (doingThis)
- doingThis = false;
- else
- paramIdx++;
- //argIdx++;
- }
- if ((callFlags & BfCreateCallFlags_TailCall) != 0)
- mModule->mBfIRBuilder->SetTailCall(callInst);
- if (methodDef->mIsNoReturn)
- {
- mModule->mBfIRBuilder->CreateUnreachable();
- // For debuggability when looking back at stack trace
- //mModule->ExtendLocalLifetimes(0);
- if (mModule->IsTargetingBeefBackend())
- {
- auto checkScope = mModule->mCurMethodState->mCurScope;
- while (checkScope != NULL)
- {
- mModule->EmitLifetimeEnds(checkScope);
- checkScope = checkScope->mPrevScope;
- }
- // This 'fake' branch extends lifetimes of outer variable scopes
- if (mModule->mCurMethodState->mIRExitBlock)
- mModule->mBfIRBuilder->CreateBr_Fake(mModule->mCurMethodState->mIRExitBlock);
- }
- }
- else
- {
- if (mModule->mCurMethodState != NULL)
- mModule->mCurMethodState->mMayNeedThisAccessCheck = true;
- }
- if (isDelegateThunk)
- return BfTypedValue(callInst, methodInstance->mReturnType);
- BfTypedValue result;
- if (sret != NULL)
- result = *sret;
- else if (hasResult)
- {
- BfTypeCode loweredRetType = BfTypeCode_None;
- BfTypeCode loweredRetType2 = BfTypeCode_None;
- if ((!IsComptime()) && (methodInstance->GetLoweredReturnType(&loweredRetType, &loweredRetType2)) && (loweredRetType != BfTypeCode_None))
- {
- auto retVal = mModule->CreateAlloca(methodInstance->mReturnType);
- BfIRType loweredIRType = mModule->GetIRLoweredType(loweredRetType, loweredRetType2);
- loweredIRType = mModule->mBfIRBuilder->GetPointerTo(loweredIRType);
- auto castedRetVal = mModule->mBfIRBuilder->CreateBitCast(retVal, loweredIRType);
- mModule->mBfIRBuilder->CreateStore(callInst, castedRetVal);
- result = BfTypedValue(retVal, methodInstance->mReturnType, BfTypedValueKind_RestrictedTempAddr);
- }
- else
- result = BfTypedValue(callInst, methodInstance->mReturnType);
- }
- else
- result = mModule->GetFakeTypedValue(methodInstance->mReturnType);
- if (result.mType->IsRef())
- {
- result = mModule->RemoveRef(result);
- if (methodDef->mIsReadOnly)
- {
- if (result.mKind == BfTypedValueKind_Addr)
- result.mKind = BfTypedValueKind_ReadOnlyAddr;
- }
- }
- return result;
- }
- BfTypedValue BfExprEvaluator::CreateCall(BfMethodMatcher* methodMatcher, BfTypedValue target)
- {
- auto moduleMethodInstance = GetSelectedMethod(*methodMatcher);
- if (moduleMethodInstance.mMethodInstance == NULL)
- return BfTypedValue();
- if ((target) && (target.mType != moduleMethodInstance.mMethodInstance->GetOwner()))
- {
- auto castedTarget = mModule->Cast(methodMatcher->mTargetSrc, target, moduleMethodInstance.mMethodInstance->GetOwner());
- BF_ASSERT(castedTarget);
- target = castedTarget;
- }
- PerformCallChecks(moduleMethodInstance.mMethodInstance, methodMatcher->mTargetSrc);
- BfCreateCallFlags callFlags = BfCreateCallFlags_None;
- if (methodMatcher->mAllowImplicitRef)
- callFlags = (BfCreateCallFlags)(callFlags | BfCreateCallFlags_AllowImplicitRef);
- return CreateCall(methodMatcher->mTargetSrc, target, BfTypedValue(), methodMatcher->mBestMethodDef, moduleMethodInstance, callFlags, methodMatcher->mArguments);
- }
- void BfExprEvaluator::MakeBaseConcrete(BfTypedValue& typedValue)
- {
- if (typedValue.IsBase())
- {
- auto baseType = mModule->mCurTypeInstance->mBaseType;
- if (baseType == NULL)
- baseType = mModule->mContext->mBfObjectType;
- mModule->PopulateType(baseType, BfPopulateType_Data);
- typedValue = mModule->Cast(NULL, typedValue, baseType, BfCastFlags_Explicit);
- }
- }
- void BfExprEvaluator::SplatArgs(BfTypedValue value, SizedArrayImpl<BfIRValue>& irArgs)
- {
- if (value.IsSplat())
- {
- int componentIdx = 0;
- BfTypeUtils::SplatIterate([&](BfType* checkType) { irArgs.push_back(mModule->ExtractSplatValue(value, componentIdx++, checkType)); }, value.mType);
- return;
- }
- mModule->mBfIRBuilder->PopulateType(value.mType);
- std::function<void(BfTypedValue)> checkTypeLambda = [&](BfTypedValue curValue)
- {
- BfType* checkType = curValue.mType;
- if (checkType->IsStruct())
- {
- auto checkTypeInstance = checkType->ToTypeInstance();
- if (checkTypeInstance->mBaseType != NULL)
- mModule->PopulateType(checkTypeInstance->mBaseType);
- if ((checkTypeInstance->mBaseType != NULL) && (!checkTypeInstance->mBaseType->IsValuelessType()))
- {
- BfTypedValue baseValue;
- if (curValue.IsAddr())
- baseValue = BfTypedValue((!curValue.mValue) ? BfIRValue() : mModule->mBfIRBuilder->CreateInBoundsGEP(curValue.mValue, 0, 0), checkTypeInstance->mBaseType, true);
- else
- baseValue = BfTypedValue((!curValue.mValue) ? BfIRValue() : mModule->mBfIRBuilder->CreateExtractValue(curValue.mValue, 0), checkTypeInstance->mBaseType);
- checkTypeLambda(baseValue);
- }
- if (checkTypeInstance->mIsUnion)
- {
- auto unionInnerType = checkTypeInstance->GetUnionInnerType();
- if (!unionInnerType->IsValuelessType())
- {
- BfTypedValue unionValue = mModule->ExtractValue(curValue, NULL, 1);
- checkTypeLambda(unionValue);
- }
- if (checkTypeInstance->IsEnum())
- {
- BfTypedValue dscrValue = mModule->ExtractValue(curValue, NULL, 2);
- checkTypeLambda(dscrValue);
- }
- }
- else
- {
- for (int fieldIdx = 0; fieldIdx < (int)checkTypeInstance->mFieldInstances.size(); fieldIdx++)
- {
- auto fieldInstance = (BfFieldInstance*)&checkTypeInstance->mFieldInstances[fieldIdx];
- if (fieldInstance->mDataIdx >= 0)
- {
- BfTypedValue fieldValue = mModule->ExtractValue(curValue, fieldInstance, fieldInstance->mDataIdx);
- checkTypeLambda(fieldValue);
- }
- }
- }
- }
- else if (checkType->IsMethodRef())
- {
- BF_ASSERT(curValue.IsAddr());
- BfMethodRefType* methodRefType = (BfMethodRefType*)checkType;
- for (int dataIdx = 0; dataIdx < methodRefType->GetCaptureDataCount(); dataIdx++)
- {
- auto checkType = methodRefType->GetCaptureType(dataIdx);
- if (methodRefType->WantsDataPassedAsSplat(dataIdx))
- {
- BF_ASSERT(dataIdx == 0);
- auto ptrType = mModule->CreatePointerType(checkType);
- auto elemPtr = mModule->mBfIRBuilder->CreateBitCast(curValue.mValue, mModule->mBfIRBuilder->MapType(ptrType));
- checkTypeLambda(BfTypedValue(elemPtr, checkType, BfTypedValueKind_Addr));
- //BfTypedValue fieldValue = mModule->ExtractValue(curValue, fieldInstance, fieldInstance->mDataIdx);
- //checkTypeLambda(fieldValue);
- }
- else
- {
- auto elemVal = mModule->mBfIRBuilder->CreateInBoundsGEP(curValue.mValue, 0, dataIdx);
- if (!checkType->IsComposite())
- elemVal = mModule->mBfIRBuilder->CreateLoad(elemVal);
- irArgs.Add(elemVal);
- //irArgs.Add(mModule->ExtractValue(curValue, dataIdx));
- }
- }
- }
- else if (!checkType->IsValuelessType())
- {
- auto loadedVal = mModule->LoadValue(curValue);
- loadedVal = mModule->PrepareConst(loadedVal);
- irArgs.push_back(loadedVal.mValue);
- }
- };
- checkTypeLambda(value);
- }
- void BfExprEvaluator::PushArg(BfTypedValue argVal, SizedArrayImpl<BfIRValue>& irArgs, bool disableSplat, bool disableLowering, bool isIntrinsic, bool createCompositeCopy)
- {
- MakeBaseConcrete(argVal);
- if (IsVar(argVal.mType))
- {
- argVal = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- if (argVal.mType->IsIncomplete())
- mModule->PopulateType(argVal.mType);
- if (argVal.mType->IsValuelessNonOpaqueType())
- return;
- bool wantSplat = false;
- if ((argVal.mType->IsSplattable()) && (!disableSplat) && (!IsComptime()))
- {
- disableLowering = true;
- auto argTypeInstance = argVal.mType->ToTypeInstance();
- if (!disableSplat)
- {
- if ((argTypeInstance != NULL) && (argTypeInstance->mIsCRepr))
- wantSplat = true;
- else if ((int)irArgs.size() + argVal.mType->GetSplatCount() <= mModule->mCompiler->mOptions.mMaxSplatRegs)
- wantSplat = true;
- }
- }
- if (wantSplat)
- {
- SplatArgs(argVal, irArgs);
- }
- else
- {
- if (argVal.mType->IsComposite())
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
- {
- // Const eval entry - we want any incoming consts as they are
- }
- else if (isIntrinsic)
- {
- // We can handle composites either by value or not
- }
- else
- argVal = mModule->MakeAddressable(argVal);
- if ((!IsComptime()) && (!disableLowering) && (!isIntrinsic))
- {
- BfTypeCode loweredTypeCode = BfTypeCode_None;
- BfTypeCode loweredTypeCode2 = BfTypeCode_None;
- if (argVal.mType->GetLoweredType(BfTypeUsage_Parameter, &loweredTypeCode, &loweredTypeCode2))
- {
- BfIRValue argPtrVal = argVal.mValue;
- int loweredSize = mModule->mBfIRBuilder->GetSize(loweredTypeCode) + mModule->mBfIRBuilder->GetSize(loweredTypeCode2);
- if (argVal.mType->mSize < loweredSize)
- {
- auto allocaVal = mModule->CreateAlloca(mModule->GetPrimitiveType(BfTypeCode_UInt8), true, NULL, mModule->GetConstValue(loweredSize));
- mModule->mBfIRBuilder->SetAllocaAlignment(allocaVal,
- BF_MAX(argVal.mType->mAlign,
- BF_MAX(mModule->mBfIRBuilder->GetSize(loweredTypeCode), mModule->mBfIRBuilder->GetSize(loweredTypeCode2))));
- auto castedPtr = mModule->mBfIRBuilder->CreateBitCast(allocaVal, mModule->mBfIRBuilder->MapType(mModule->CreatePointerType(argVal.mType)));
- auto argIRVal = mModule->mBfIRBuilder->CreateAlignedLoad(argVal.mValue, argVal.mType->mAlign);
- mModule->mBfIRBuilder->CreateAlignedStore(argIRVal, castedPtr, argVal.mType->mAlign);
- argPtrVal = castedPtr;
- }
- auto primType = mModule->mBfIRBuilder->GetPrimitiveType(loweredTypeCode);
- auto ptrType = mModule->mBfIRBuilder->GetPointerTo(primType);
- BfIRValue primPtrVal = mModule->mBfIRBuilder->CreateBitCast(argPtrVal, ptrType);
- auto primVal = mModule->mBfIRBuilder->CreateLoad(primPtrVal);
- irArgs.push_back(primVal);
- if (loweredTypeCode2 != BfTypeCode_None)
- {
- auto primType2 = mModule->mBfIRBuilder->GetPrimitiveType(loweredTypeCode2);
- auto ptrType2 = mModule->mBfIRBuilder->GetPointerTo(primType2);
- BfIRValue primPtrVal2;
- if (mModule->mBfIRBuilder->GetSize(loweredTypeCode) < mModule->mBfIRBuilder->GetSize(loweredTypeCode2))
- primPtrVal2 = mModule->mBfIRBuilder->CreateInBoundsGEP(mModule->mBfIRBuilder->CreateBitCast(primPtrVal, ptrType2), 1);
- else
- primPtrVal2 = mModule->mBfIRBuilder->CreateBitCast(mModule->mBfIRBuilder->CreateInBoundsGEP(primPtrVal, 1), ptrType2);
- auto primVal2 = mModule->mBfIRBuilder->CreateLoad(primPtrVal2);
- irArgs.Add(primVal2);
- }
- return;
- }
- }
- if ((createCompositeCopy) && (!argVal.IsTempAddr()))
- {
- // Non-Beef calling conventions require copies of composites
- auto copyAddr = mModule->CreateAlloca(argVal.mType);
- mModule->mBfIRBuilder->CreateStore(mModule->LoadValue(argVal).mValue, copyAddr);
- argVal = BfTypedValue(copyAddr, argVal.mType, BfTypedValueKind_TempAddr);
- }
- }
- else
- argVal = mModule->LoadValue(argVal);
- irArgs.Add(argVal.mValue);
- }
- }
- void BfExprEvaluator::PushThis(BfAstNode* targetSrc, BfTypedValue argVal, BfMethodInstance* methodInstance, SizedArrayImpl<BfIRValue>& irArgs, bool skipMutCheck)
- {
- MakeBaseConcrete(argVal);
- auto methodDef = methodInstance->mMethodDef;
- if (methodInstance->IsSkipCall())
- return;
- if (!argVal)
- {
- //BF_ASSERT(mFunctionBindResult != NULL);
- return;
- }
- if (methodDef->mIsMutating)
- {
- bool checkMut = false;
- if (argVal.mType->IsGenericParam())
- {
- // For capturing mutability
- if (mResultLocalVar != NULL)
- mResultLocalVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- }
- if (((argVal.mType->IsComposite()) || (argVal.mType->IsTypedPrimitive())))
- {
- if (argVal.IsCopyOnMutate())
- argVal = mModule->CopyValue(argVal);
- if ((argVal.IsReadOnly()) || (!argVal.IsAddr()))
- {
- if (!skipMutCheck)
- {
- String err = StrFormat("call mutating method '%s' on", mModule->MethodToString(methodInstance).c_str());
- CheckModifyResult(argVal, targetSrc, err.c_str());
- }
- if (argVal.IsSplat())
- {
- argVal = mModule->AggregateSplat(argVal);
- argVal = mModule->MakeAddressable(argVal);
- }
- }
- else
- {
- if (mResultLocalVar != NULL)
- {
- // When we are capturing, we need to note that we require capturing by reference here
- mResultLocalVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- }
- }
- }
- }
- if (argVal.mType->IsValuelessNonOpaqueType())
- return;
- auto owner = methodInstance->GetOwner();
- bool allowThisSplatting;
- if (mModule->mIsComptimeModule)
- allowThisSplatting = owner->IsTypedPrimitive() || owner->IsValuelessNonOpaqueType();
- else
- allowThisSplatting = methodInstance->AllowsSplatting(-1);
- if ((!allowThisSplatting) || (methodDef->mIsMutating) || (methodInstance->ForcingThisPtr()))
- {
- argVal = mModule->MakeAddressable(argVal);
- irArgs.push_back(argVal.mValue);
- return;
- }
- auto thisType = methodInstance->GetThisType();
- PushArg(argVal, irArgs, !methodInstance->AllowsSplatting(-1), thisType->IsPointer());
- }
- void BfExprEvaluator::FinishDeferredEvals(SizedArrayImpl<BfResolvedArg>& argValues)
- {
- for (int argIdx = 0; argIdx < argValues.size(); argIdx++)
- {
- auto& argValue = argValues[argIdx].mTypedValue;
- if ((argValues[argIdx].mArgFlags & (BfArgFlag_DelegateBindAttempt | BfArgFlag_LambdaBindAttempt | BfArgFlag_UnqualifiedDotAttempt | BfArgFlag_DeferredEval)) != 0)
- {
- if (!argValue)
- {
- auto expr = BfNodeDynCast<BfExpression>(argValues[argIdx].mExpression);
- if (expr != NULL)
- argValue = mModule->CreateValueFromExpression(expr, argValues[argIdx].mExpectedType, BfEvalExprFlags_NoCast);
- }
- }
- }
- }
- void BfExprEvaluator::FinishDeferredEvals(BfResolvedArgs& argValues)
- {
- for (int argIdx = 0; argIdx < (int)argValues.mResolvedArgs.size(); argIdx++)
- {
- auto& argValue = argValues.mResolvedArgs[argIdx].mTypedValue;
- if ((argValues.mResolvedArgs[argIdx].mArgFlags & (BfArgFlag_VariableDeclaration)) != 0)
- {
- auto variableDeclaration = BfNodeDynCast<BfVariableDeclaration>((*argValues.mArguments)[argIdx]);
- if ((variableDeclaration != NULL) && (variableDeclaration->mNameNode != NULL))
- {
- if (mModule->mCurMethodState == NULL)
- {
- mModule->Fail("Illegal local variable", variableDeclaration);
- }
- else
- {
- BfLocalVariable* localVar = new BfLocalVariable();
- localVar->mName = variableDeclaration->mNameNode->ToString();
- localVar->mResolvedType = mModule->GetPrimitiveType(BfTypeCode_Var);
- localVar->mAddr = mModule->mBfIRBuilder->GetFakeVal();
- localVar->mReadFromId = 0;
- localVar->mWrittenToId = 0;
- localVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
- mModule->CheckVariableDef(localVar);
- localVar->Init();
- mModule->AddLocalVariableDef(localVar, true);
- auto curScope = mModule->mCurMethodState->mCurScope;
- if (curScope->mScopeKind == BfScopeKind_StatementTarget)
- mModule->MoveLocalToParentScope(localVar);
- }
- }
- }
- }
- FinishDeferredEvals(argValues.mResolvedArgs);
- }
- void BfExprEvaluator::AddCallDependencies(BfMethodInstance* methodInstance)
- {
- if (methodInstance->mReturnType != NULL)
- mModule->AddDependency(methodInstance->mReturnType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
- for (int paramIdx = 0; paramIdx < methodInstance->GetParamCount(); paramIdx++)
- {
- auto paramType = methodInstance->GetParamType(paramIdx);
- mModule->AddDependency(paramType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
- }
- if (methodInstance->mMethodInfoEx != NULL)
- {
- for (auto genericArg : methodInstance->mMethodInfoEx->mMethodGenericArguments)
- {
- if (genericArg->IsWrappableType())
- genericArg = mModule->GetWrappedStructType(genericArg);
- if (genericArg != NULL)
- mModule->AddDependency(genericArg, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
- }
- }
- }
- BfTypedValue BfExprEvaluator::CreateCall(BfAstNode* targetSrc, const BfTypedValue& inTarget, const BfTypedValue& origTarget, BfMethodDef* methodDef, BfModuleMethodInstance moduleMethodInstance, BfCreateCallFlags callFlags, SizedArrayImpl<BfResolvedArg>& argValues, BfTypedValue* argCascade)
- {
- SetAndRestoreValue<BfEvalExprFlags> prevEvalExprFlag(mBfEvalExprFlags);
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mConstEvalAttributeTypeDef)))
- {
- mModule->mAttributeState->mUsed = true;
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
- }
- else if ((moduleMethodInstance.mMethodInstance->mComptimeFlags & BfComptimeFlag_ConstEval) != 0)
- {
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
- }
- else if (((moduleMethodInstance.mMethodInstance->mComptimeFlags & BfComptimeFlag_Comptime) != 0) && (!mModule->mIsComptimeModule))
- {
- if ((mModule->mCurMethodInstance == NULL) || (mModule->mCurMethodInstance->mComptimeFlags == BfComptimeFlag_None))
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
- }
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites || IsConstEval());
- if (((moduleMethodInstance.mMethodInstance->mComptimeFlags & BfComptimeFlag_OnlyFromComptime) != 0) &&
- ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) &&
- ((mModule->mCurMethodInstance == NULL) || (mModule->mCurMethodInstance->mComptimeFlags == BfComptimeFlag_None)) &&
- (!mModule->mIsComptimeModule))
- {
- mModule->Fail(StrFormat("Method '%s' can only be invoked at comptime. Consider adding [Comptime] to the current method.", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
- }
- bool bypassVirtual = (callFlags & BfCreateCallFlags_BypassVirtual) != 0;
- bool skipThis = (callFlags & BfCreateCallFlags_SkipThis) != 0;;
- static int sCallIdx = 0;
- if (!mModule->mCompiler->mIsResolveOnly)
- sCallIdx++;
- int callIdx = sCallIdx;
- if (callIdx == 0x000015CB)
- {
- NOP;
- }
- // Temporarily disable so we don't capture calls in params
- SetAndRestoreValue<BfFunctionBindResult*> prevBindResult(mFunctionBindResult, NULL);
- SetAndRestoreValue<bool> prevAllowVariableDeclarations;
- if (mModule->mCurMethodState != NULL)
- prevAllowVariableDeclarations.Init(mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations, false);
- BfMethodInstance* methodInstance = moduleMethodInstance.mMethodInstance;
- SizedArray<BfIRValue, 4> irArgs;
- if ((methodDef->mIsAbstract) && (bypassVirtual))
- {
- mModule->Fail(StrFormat("Abstract base method '%s' cannot be invoked", mModule->MethodToString(methodInstance).c_str()), targetSrc);
- }
- bool isSkipCall = moduleMethodInstance.mMethodInstance->IsSkipCall(bypassVirtual);
- BfType* returnType = methodInstance->mReturnType;
- /*if (returnType->IsSelf())
- {
- returnType = methodInstance->GetOwner();
- BF_ASSERT(returnType->IsInterface());
- }*/
- Array<BfTypedValue> argCascades;
- BfTypedValue target = inTarget;
- if (!skipThis)
- {
- if ((target) && (target.mType->IsFunction()) && (methodInstance->GetOwner() == target.mType))
- {
- CheckResultForReading(target);
- target = mModule->LoadValue(target);
- auto funcType = mModule->mBfIRBuilder->MapMethod(moduleMethodInstance.mMethodInstance);
- auto funcPtrType = mModule->mBfIRBuilder->GetPointerTo(funcType);
- moduleMethodInstance.mFunc = mModule->mBfIRBuilder->CreateIntToPtr(target.mValue, funcPtrType);
- if (mDeferCallData != NULL)
- {
- mDeferCallData->mFuncAlloca_Orig = moduleMethodInstance.mFunc;
- mDeferCallData->mFuncAlloca = mModule->CreateAlloca(funcPtrType, target.mType->mAlign, false, "FuncAlloca");
- mModule->mBfIRBuilder->CreateStore(mDeferCallData->mFuncAlloca_Orig, mDeferCallData->mFuncAlloca);
- }
- }
- else if (!methodDef->mIsStatic)
- {
- if ((!target) && (prevBindResult.mPrevVal != NULL))
- {
- auto bindResult = prevBindResult.mPrevVal;
- if (bindResult->mBindType != NULL)
- {
- // Allow binding a function to a 'this' type even if no target is specified
- auto delegateInfo = bindResult->mBindType->GetDelegateInfo();
- if (delegateInfo != NULL)
- {
- if (delegateInfo->mHasExplicitThis)
- {
- target = mModule->GetDefaultTypedValue(delegateInfo->mParams[0], false, BfDefaultValueKind_Addr);
- bypassVirtual = true;
- }
- }
- else if (bindResult->mBindType->IsFunction())
- {
- BfMethodInstance* invokeMethodInstance = mModule->GetRawMethodInstanceAtIdx(bindResult->mBindType->ToTypeInstance(), 0, "Invoke");
- if (!invokeMethodInstance->mMethodDef->mIsStatic)
- {
- target = mModule->GetDefaultTypedValue(invokeMethodInstance->GetThisType(), false, BfDefaultValueKind_Addr);
- }
- }
- }
- }
- if (!target)
- {
- FinishDeferredEvals(argValues);
- auto error = mModule->Fail(StrFormat("An instance reference is required to %s the non-static method '%s'",
- (prevBindResult.mPrevVal != NULL) ? "bind" : "invoke",
- mModule->MethodToString(methodInstance).c_str()), targetSrc);
- if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- return mModule->GetDefaultTypedValue(returnType);
- }
- auto prevResult = mResult;
- mResult = target;
- CheckResultForReading(mResult);
- mResult = prevResult;
- if (methodDef->mMethodType != BfMethodType_Ctor)
- {
- bool doAccessCheck = true;
- if (target.IsThis())
- {
- if (!mModule->mCurMethodState->mMayNeedThisAccessCheck)
- doAccessCheck = false;
- }
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mDisableObjectAccessChecksAttributeTypeDef)))
- doAccessCheck = false;
- if ((doAccessCheck) && (!isSkipCall) && (prevBindResult.mPrevVal == NULL))
- mModule->EmitObjectAccessCheck(target);
- }
- if (((prevBindResult.mPrevVal == NULL) || (!prevBindResult.mPrevVal->mSkipThis)) &&
- (!isSkipCall))
- {
- bool skipMutCheck = false;
- if ((prevBindResult.mPrevVal != NULL) && (prevBindResult.mPrevVal->mSkipMutCheck))
- {
- // If we are binding a delegate, then we will end up making a copy of the target anyway
- // so we don't need to do a mutability check
- skipMutCheck = true;
- }
- if (methodDef->mMethodType == BfMethodType_Extension)
- PushArg(target, irArgs);
- else
- PushThis(targetSrc, target, moduleMethodInstance.mMethodInstance, irArgs, skipMutCheck);
- }
- }
- else if (methodDef->mMethodType == BfMethodType_Extension)
- {
- // Handled in args
- }
- else
- {
- if (prevBindResult.mPrevVal == NULL)
- {
- if ((mModule->mAttributeState == NULL) || (mModule->mAttributeState->mCustomAttributes == NULL) ||
- (!mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoStaticCtorAttributeTypeDef)))
- {
- mModule->CheckStaticAccess(methodInstance->mMethodInstanceGroup->mOwner);
- }
- }
- if (target)
- {
- FinishDeferredEvals(argValues);
- mModule->Fail(StrFormat("Method '%s' cannot be accessed with an instance reference; qualify it with a type name instead",
- mModule->MethodToString(methodInstance).c_str()), targetSrc);
- return mModule->GetDefaultTypedValue(returnType);
- }
- }
- }
- if (isSkipCall)
- {
- CheckSkipCall(targetSrc, argValues);
- FinishDeferredEvals(argValues);
- mModule->EmitEnsureInstructionAt();
- return mModule->GetDefaultTypedValue(returnType);
- }
- bool hasNamedArgs = false;
- for (auto& arg : argValues)
- if (arg.mNameNode != NULL)
- hasNamedArgs = true;
- if (hasNamedArgs)
- {
- methodDef->BuildParamNameMap();
- BfIdentifierNode* outOfPlaceName = NULL;
- int curParamIdx = 0;
- SizedArrayImpl<BfResolvedArg> origArgValues = argValues;
- argValues.Clear();
- for (int argIdx = 0; argIdx < origArgValues.mSize; argIdx++)
- {
- int paramIdx = curParamIdx;
- auto& argValue = origArgValues[argIdx];
- if (argValue.mNameNode != NULL)
- {
- int namedParamIdx = -1;
- if (methodDef->mParamNameMap->TryGetValue(argValue.mNameNode->ToStringView(), &namedParamIdx))
- {
- paramIdx = namedParamIdx;
- }
- else
- {
- if (mModule->PreFail())
- {
- mModule->Fail(StrFormat("The best overload for '%s' does not have a parameter named '%s'", methodInstance->mMethodDef->mName.c_str(),
- argValue.mNameNode->ToString().c_str()), argValue.mNameNode);
- }
- }
- if (paramIdx != curParamIdx)
- outOfPlaceName = argValue.mNameNode;
- }
- else if (outOfPlaceName != NULL)
- {
- if (mModule->PreFail())
- mModule->Fail(StrFormat("Named argument '%s' is used out-of-position but is followed by an unnamed argument", outOfPlaceName->ToString().c_str()), outOfPlaceName);
- outOfPlaceName = NULL;
- }
- if ((paramIdx < methodInstance->GetParamCount()) && (paramIdx != argIdx))
- {
- if (methodInstance->GetParamKind(paramIdx) == BfParamKind_Normal)
- {
- auto wantType = methodInstance->GetParamType(paramIdx);
- auto resolvedValue = ResolveArgValue(argValue, wantType);
- if (resolvedValue)
- {
- argValue.mTypedValue = resolvedValue;
- argValue.mArgFlags = (BfArgFlags)(argValue.mArgFlags | BfArgFlag_Finalized);
- }
- }
- }
- while (paramIdx >= argValues.mSize)
- argValues.Add(BfResolvedArg());
- if (argValues[paramIdx].mExpression != NULL)
- {
- if (argValue.mNameNode != NULL)
- {
- if (mModule->PreFail())
- mModule->Fail(StrFormat("Named argument '%s' cannot be specified multiple times", argValue.mNameNode->ToString().c_str()), argValue.mNameNode);
- }
- }
- argValues[paramIdx] = argValue;
- curParamIdx++;
- }
- }
- int argIdx = 0;
- int paramIdx = 0;
- BfIRValue expandedParamAlloca;
- BfTypedValue expandedParamsArray;
- BfType* expandedParamsElementType = NULL;
- bool hadDelegateParamIdx = false;
- int extendedParamIdx = 0;
- AddCallDependencies(methodInstance);
- bool wasCapturingMatchInfo = false;
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- {
- // Set to false to make sure we don't capture method match info from 'params' array creation
- wasCapturingMatchInfo = autoComplete->mIsCapturingMethodMatchInfo;
- autoComplete->mIsCapturingMethodMatchInfo = false;
- }
- defer(
- {
- if (autoComplete != NULL)
- autoComplete->mIsCapturingMethodMatchInfo = wasCapturingMatchInfo;
- });
- BfScopeData* boxScopeData = (mDeferCallData != NULL) ? mDeferCallData->mScopeAlloc : NULL;
- if ((boxScopeData == NULL) && (mModule->mCurMethodState != NULL))
- boxScopeData = mModule->mCurMethodState->mCurScope;
- bool failed = false;
- while (true)
- {
- int argExprIdx = argIdx;
- if (methodDef->mMethodType == BfMethodType_Extension)
- argExprIdx--;
- bool isThis = (paramIdx == -1) || ((methodDef->mHasExplicitThis) && (paramIdx == 0));
- bool isDirectPass = false;
- if (paramIdx >= (int)methodInstance->GetParamCount())
- {
- if (methodInstance->IsVarArgs())
- {
- if (argExprIdx >= (int)argValues.size())
- break;
- BfTypedValue argValue = ResolveArgValue(argValues[argExprIdx], NULL);
- if (argValue)
- {
- auto typeInst = argValue.mType->ToTypeInstance();
- if (argValue.mType == mModule->GetPrimitiveType(BfTypeCode_Float))
- argValue = mModule->Cast(argValues[argExprIdx].mExpression, argValue, mModule->GetPrimitiveType(BfTypeCode_Double));
- if ((typeInst != NULL) && (typeInst->IsInstanceOf(mModule->mCompiler->mStringTypeDef)))
- {
- BfType* charType = mModule->GetPrimitiveType(BfTypeCode_Char8);
- BfType* charPtrType = mModule->CreatePointerType(charType);
- argValue = mModule->Cast(argValues[argExprIdx].mExpression, argValue, charPtrType);
- }
- PushArg(argValue, irArgs, true, false);
- }
- argIdx++;
- continue;
- }
- if (argExprIdx < (int)argValues.size())
- {
- if (mModule->PreFail())
- {
- BfAstNode* errorRef = argValues[argExprIdx].mExpression;
- if (errorRef == NULL)
- errorRef = targetSrc;
- BfError* error;
- if ((argValues[argExprIdx].mArgFlags & BfArgFlag_StringInterpolateArg) != 0)
- {
- int checkIdx = argExprIdx - 1;
- while (checkIdx >= 0)
- {
- if ((argValues[checkIdx].mArgFlags & BfArgFlag_StringInterpolateFormat) != 0)
- {
- errorRef = argValues[checkIdx].mExpression;
- break;
- }
- checkIdx--;
- }
- error = mModule->Fail("Expanded string interpolation generates too many arguments. If string allocation was intended then consider adding a specifier such as 'scope'.", errorRef);
- }
- else if ((prevBindResult.mPrevVal != NULL) && (prevBindResult.mPrevVal->mBindType != NULL))
- error = mModule->Fail(StrFormat("Method '%s' has too few parameters to bind to '%s'.", mModule->MethodToString(methodInstance).c_str(), mModule->TypeToString(prevBindResult.mPrevVal->mBindType).c_str()), errorRef);
- else
- error = mModule->Fail(StrFormat("Too many arguments, expected %d fewer.", (int)argValues.size() - argExprIdx), errorRef);
- if ((error != NULL) && (methodInstance->mMethodDef->mMethodDeclaration != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- }
- failed = true;
- break;
- }
- break;
- }
- // Only create actual params if we're not just trying to bind the function
- if ((prevBindResult.mPrevVal != NULL) && (!prevBindResult.mPrevVal->mWantsArgs))
- break;
- BfType* wantType = NULL;
- bool wantsSplat = false;
- if (expandedParamsElementType != NULL)
- {
- wantType = expandedParamsElementType;
- }
- else
- {
- wantsSplat = methodInstance->GetParamIsSplat(paramIdx) && (!IsComptime());
- if (methodInstance->IsImplicitCapture(paramIdx))
- {
- auto paramType = methodInstance->GetParamType(paramIdx);
- if (mModule->mCurMethodInstance->IsMixin())
- {
- // Don't bother, also- can fail on captures
- }
- else
- {
- // static int captureIdx = 0;
- // captureIdx++;
- // int curCaptureIdx = captureIdx;
- //
- // if (curCaptureIdx == 0x91)
- // {
- // NOP;
- // }
- auto lookupVal = DoImplicitArgCapture(targetSrc, methodInstance, paramIdx, failed, BfImplicitParamKind_General, origTarget);
- if (lookupVal)
- {
- if (wantsSplat)
- {
- SplatArgs(lookupVal, irArgs);
- }
- else if (paramType->IsRef())
- {
- irArgs.push_back(lookupVal.mValue);
- }
- else
- PushArg(lookupVal, irArgs, true);
- }
- }
- paramIdx++;
- continue;
- }
- wantType = methodInstance->GetParamType(paramIdx);
- if (!mModule->mCurTypeInstance->IsInterface())
- {
- // Resolve `Self` types
- if (wantType->IsUnspecializedTypeVariation())
- {
- wantType = mModule->ResolveSelfType(wantType, methodInstance->GetOwner());
- }
- }
- if (IsVar(wantType))
- {
- // Case happens when we can't find the argument type
- failed = true;
- }
- BfParamKind paramKind = methodInstance->GetParamKind(paramIdx);
- if (paramKind == BfParamKind_Params)
- {
- //TODO: Check to see if it's a direct array pass
- if (argIdx < (int)argValues.size())
- {
- auto argValue = argValues[argIdx].mTypedValue;
- if ((argValue.IsParams()) /*&& (mModule->CanCast(argValue, wantType))*/)
- isDirectPass = true;
- }
- if (!isDirectPass)
- {
- int numElements = BF_MAX((int)argValues.size() - argIdx, 0);
- if (methodDef->mMethodType == BfMethodType_Extension)
- numElements++;
- if (IsConstEval())
- {
- if ((wantType->IsArray()) || (wantType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef)))
- {
- auto genericTypeInst = wantType->ToGenericTypeInstance();
- expandedParamsElementType = genericTypeInst->mGenericTypeInfo->mTypeGenericArguments[0];
- auto irSizedArrayType = mModule->mBfIRBuilder->GetSizedArrayType(mModule->mBfIRBuilder->MapType(expandedParamsElementType), numElements);
- Array<BfIRValue> values;
- for (int i = 0; i < numElements; i++)
- values.Add(mModule->mBfIRBuilder->GetFakeVal());
- expandedParamsArray = BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(irSizedArrayType, values), wantType);
- PushArg(expandedParamsArray, irArgs);
- continue;
- }
- }
- else if (wantType->IsArray())
- {
- BfArrayType* arrayType = (BfArrayType*)wantType;
- mModule->PopulateType(arrayType, BfPopulateType_DataAndMethods);
- expandedParamsElementType = arrayType->mGenericTypeInfo->mTypeGenericArguments[0];
- int arrayClassSize = arrayType->mInstSize - expandedParamsElementType->mSize;
- expandedParamsArray = BfTypedValue(mModule->AllocFromType(arrayType->GetUnderlyingType(), boxScopeData, BfIRValue(), mModule->GetConstValue(numElements), 1, BfAllocFlags_None),
- arrayType, false);
- BfResolvedArgs resolvedArgs;
- MatchConstructor(targetSrc, NULL, expandedParamsArray, arrayType, resolvedArgs, false, BfMethodGenericArguments(), BfAllowAppendKind_No);
- //TODO: Assert 'length' var is at slot 1
- auto arrayBits = mModule->mBfIRBuilder->CreateBitCast(expandedParamsArray.mValue, mModule->mBfIRBuilder->MapType(arrayType->mBaseType));
- int arrayLengthBitCount = arrayType->GetLengthBitCount();
- if (arrayLengthBitCount == 0)
- {
- mModule->Fail("INTERNAL ERROR: Unable to find array 'length' field", targetSrc);
- return BfTypedValue();
- }
- auto& fieldInstance = arrayType->mBaseType->mFieldInstances[0];
- auto addr = mModule->mBfIRBuilder->CreateInBoundsGEP(arrayBits, 0, fieldInstance.mDataIdx);
- if (arrayLengthBitCount == 64)
- mModule->mBfIRBuilder->CreateAlignedStore(mModule->GetConstValue64(numElements), addr, 8);
- else
- mModule->mBfIRBuilder->CreateAlignedStore(mModule->GetConstValue32(numElements), addr, 4);
- PushArg(expandedParamsArray, irArgs);
- continue;
- }
- else if (wantType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef))
- {
- mModule->PopulateType(wantType);
- mModule->mBfIRBuilder->PopulateType(wantType);
- auto genericTypeInst = wantType->ToGenericTypeInstance();
- expandedParamsElementType = genericTypeInst->mGenericTypeInfo->mTypeGenericArguments[0];
- expandedParamsArray = BfTypedValue(mModule->CreateAlloca(wantType), wantType, true);
- expandedParamAlloca = mModule->CreateAlloca(genericTypeInst->mGenericTypeInfo->mTypeGenericArguments[0], true, NULL, mModule->GetConstValue(numElements));
- mModule->mBfIRBuilder->CreateAlignedStore(expandedParamAlloca, mModule->mBfIRBuilder->CreateInBoundsGEP(expandedParamsArray.mValue, 0, 1), mModule->mSystem->mPtrSize);
- mModule->mBfIRBuilder->CreateAlignedStore(mModule->GetConstValue(numElements), mModule->mBfIRBuilder->CreateInBoundsGEP(expandedParamsArray.mValue, 0, 2), mModule->mSystem->mPtrSize);
- PushArg(expandedParamsArray, irArgs, !wantsSplat);
- continue;
- }
- else if (wantType->IsSizedArray())
- {
- mModule->PopulateType(wantType);
- mModule->mBfIRBuilder->PopulateType(wantType);
- BfSizedArrayType* sizedArrayType = (BfSizedArrayType*)wantType;
- expandedParamsElementType = wantType->GetUnderlyingType();
- if (numElements != sizedArrayType->mElementCount)
- {
- BfAstNode* refNode = targetSrc;
- if (argExprIdx < (int)argValues.size())
- refNode = argValues[argExprIdx].mExpression;
- mModule->Fail(StrFormat("Incorrect number of arguments to match params type '%s'", mModule->TypeToString(wantType).c_str()), refNode);
- }
- expandedParamsArray = BfTypedValue(mModule->CreateAlloca(wantType), wantType, true);
- expandedParamAlloca = mModule->mBfIRBuilder->CreateBitCast(expandedParamsArray.mValue, mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->MapType(expandedParamsElementType)));
- PushArg(expandedParamsArray, irArgs, !wantsSplat);
- continue;
- }
- }
- }
- else if (paramKind == BfParamKind_DelegateParam)
- hadDelegateParamIdx = true;
- }
- BfAstNode* arg = NULL;
- bool hadMissingArg = false;
- if (argExprIdx == -1)
- arg = targetSrc;
- if (argExprIdx >= 0)
- {
- if (argExprIdx < (int)argValues.size())
- {
- arg = argValues[argExprIdx].mExpression;
- if (((argValues[argExprIdx].mArgFlags & BfArgFlag_StringInterpolateArg) != 0) && (!expandedParamsArray) && (!hadDelegateParamIdx))
- {
- BfAstNode* errorRef = arg;
- int checkIdx = argExprIdx - 1;
- while (checkIdx >= 0)
- {
- if ((argValues[checkIdx].mArgFlags & BfArgFlag_StringInterpolateFormat) != 0)
- {
- errorRef = argValues[checkIdx].mExpression;
- break;
- }
- checkIdx--;
- }
- mModule->Warn(BfWarning_BF4205_StringInterpolationParam, "Expanded string interpolation argument not used as 'params'. If string allocation was intended then consider adding a specifier such as 'scope'.", errorRef);
- }
- // if ((arg == NULL) && (argValues[argExprIdx].mExpression != NULL))
- // hadMissingArg = true;
- if ((arg == NULL) && (!argValues[argExprIdx].mTypedValue))
- hadMissingArg = true;
- }
- else
- hadMissingArg = true;
- }
- BfTypedValue argValue;
- if (hadMissingArg)
- {
- if (expandedParamsArray)
- break;
- if ((argIdx >= (int) methodInstance->mDefaultValues.size()) || (!methodInstance->mDefaultValues[argIdx]))
- {
- BfAstNode* refNode = targetSrc;
- if (argValues.size() > 0)
- {
- auto checkExpr = argValues.back().mExpression;
- if (checkExpr != NULL)
- refNode = checkExpr;
- }
- BfAstNode* prevNode = NULL;
- if (targetSrc == NULL)
- {
- // We must be in BfModule::EmitCtorBody
- }
- else if (auto tupleExpr = BfNodeDynCastExact<BfTupleExpression>(targetSrc))
- {
- if (tupleExpr->mCommas.size() > 0)
- prevNode = tupleExpr->mCommas.back();
- else
- prevNode = tupleExpr->mOpenParen;
- if (tupleExpr->mCloseParen != NULL)
- refNode = tupleExpr->mCloseParen;
- }
- else if (mModule->mParentNodeEntry != NULL)
- {
- if (auto objectCreateExpr = BfNodeDynCast<BfObjectCreateExpression>(mModule->mParentNodeEntry->mNode))
- {
- if (objectCreateExpr->mCommas.size() > 0)
- prevNode = objectCreateExpr->mCommas.back();
- else
- prevNode = objectCreateExpr->mOpenToken;
- if (objectCreateExpr->mCloseToken != NULL)
- refNode = objectCreateExpr->mCloseToken;
- if (auto newNode = BfNodeDynCast<BfNewNode>(objectCreateExpr->mNewNode))
- {
- if (newNode->mAllocNode == targetSrc)
- refNode = targetSrc;
- }
- }
- else if (auto invokeExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
- {
- if (invokeExpr->mCommas.size() > 0)
- prevNode = invokeExpr->mCommas.back();
- else
- prevNode = invokeExpr->mOpenParen;
- if (invokeExpr->mCloseParen != NULL)
- refNode = invokeExpr->mCloseParen;
- }
- }
- if (refNode == NULL)
- refNode = methodInstance->GetOwner()->mTypeDef->GetRefNode();
- if ((autoComplete != NULL) && (prevNode != NULL))
- autoComplete->CheckEmptyStart(prevNode, wantType);
- BfError* error = NULL;
- if (mModule->mParentNodeEntry != NULL)
- {
- bool showCtorError = false;
- if (auto ctorDeclaration = BfNodeDynCast<BfConstructorDeclaration>(mModule->mParentNodeEntry->mNode))
- {
- if (ctorDeclaration->mInitializer == NULL)
- showCtorError = true;
- }
- if (auto typerDecl = BfNodeDynCast<BfTypeDeclaration>(mModule->mParentNodeEntry->mNode))
- showCtorError = true;
- if (showCtorError)
- {
- if (mModule->PreFail())
- {
- error = mModule->Fail(StrFormat("No parameterless constructor is available for base class. Consider calling base constructor '%s'.",
- mModule->MethodToString(methodInstance).c_str()), refNode);
- }
- auto srcNode = mModule->mCurMethodInstance->mMethodDef->GetRefNode();
- if ((autoComplete != NULL) && (autoComplete->CheckFixit(srcNode)))
- autoComplete->FixitAddConstructor(mModule->mCurTypeInstance);
- }
- }
- if (mModule->PreFail())
- {
- if (error == NULL)
- {
- if (hasNamedArgs)
- error = mModule->Fail(StrFormat("There is no argument given that corresponds to the required formal parameter '%s' of '%s'.",
- methodInstance->GetParamName(paramIdx).c_str(), mModule->MethodToString(methodInstance).c_str()), refNode);
- else
- error = mModule->Fail(StrFormat("Not enough parameters specified, expected %d more.", methodInstance->GetParamCount() - paramIdx), refNode);
- }
- if ((error != NULL) && (methodInstance->mMethodDef->mMethodDeclaration != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- }
- failed = true;
- break;
- }
- auto foreignDefaultVal = methodInstance->mDefaultValues[argIdx];
- auto foreignConst = methodInstance->GetOwner()->mConstHolder->GetConstant(foreignDefaultVal.mValue);
- if (foreignConst->mConstType == BfConstType_AggZero)
- {
- // Allow this
- }
- else if (foreignConst->mTypeCode == BfTypeCode_NullPtr)
- {
- if (wantType->IsNullable())
- {
- argValue = mModule->GetDefaultTypedValue(wantType, false, BfDefaultValueKind_Addr);
- }
- }
- else if (foreignConst->mConstType == BfConstType_GlobalVar)
- {
- auto globalVar = (BfGlobalVar*)foreignConst;
- if (globalVar->mName[0] == '#')
- {
- if (strcmp(globalVar->mName, "#CallerLineNum") == 0)
- {
- argValue = BfTypedValue(mModule->GetConstValue(mModule->mCurFilePosition.mCurLine + 1), mModule->GetPrimitiveType(BfTypeCode_Int32));
- }
- else if (strcmp(globalVar->mName, "#CallerFilePath") == 0)
- {
- String filePath = "";
- if (mModule->mCurFilePosition.mFileInstance != NULL)
- filePath = mModule->mCurFilePosition.mFileInstance->mParser->mFileName;
- argValue = BfTypedValue(mModule->GetStringObjectValue(filePath),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- else if (strcmp(globalVar->mName, "#CallerFileName") == 0)
- {
- String filePath = "";
- if (mModule->mCurFilePosition.mFileInstance != NULL)
- filePath = mModule->mCurFilePosition.mFileInstance->mParser->mFileName;
- argValue = BfTypedValue(mModule->GetStringObjectValue(GetFileName(filePath)),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- else if (strcmp(globalVar->mName, "#CallerFileDir") == 0)
- {
- String filePath = "";
- if (mModule->mCurFilePosition.mFileInstance != NULL)
- filePath = mModule->mCurFilePosition.mFileInstance->mParser->mFileName;
- argValue = BfTypedValue(mModule->GetStringObjectValue(GetFileDir(filePath)),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- else if (strcmp(globalVar->mName, "#CallerTypeName") == 0)
- {
- String typeName = "";
- if (mModule->mCurTypeInstance != NULL)
- typeName = mModule->TypeToString(mModule->mCurTypeInstance);
- argValue = BfTypedValue(mModule->GetStringObjectValue(typeName),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- else if (strcmp(globalVar->mName, "#CallerType") == 0)
- {
- auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
- BfType* type = mModule->mCurTypeInstance;
- if (type != NULL)
- {
- mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
- argValue = BfTypedValue(mModule->CreateTypeDataRef(type), typeType);
- }
- }
- else if (strcmp(globalVar->mName, "#CallerMemberName") == 0)
- {
- String memberName = "";
- if (mModule->mCurMethodInstance != NULL)
- memberName = mModule->MethodToString(mModule->mCurMethodInstance);
- argValue = BfTypedValue(mModule->GetStringObjectValue(memberName),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- else if (strcmp(globalVar->mName, "#CallerProject") == 0)
- {
- String projectName = "";
- if (mModule->mCurMethodInstance != NULL)
- projectName = mModule->mCurMethodInstance->mMethodDef->mDeclaringType->mProject->mName;
- argValue = BfTypedValue(mModule->GetStringObjectValue(projectName),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- else if (strcmp(globalVar->mName, "#ProjectName") == 0)
- {
- String projectName = methodInstance->mMethodDef->mDeclaringType->mProject->mName;
- argValue = BfTypedValue(mModule->GetStringObjectValue(projectName),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- else
- {
- argValue = mModule->GetCompilerFieldValue(globalVar->mName);
- }
- }
- }
- else if (foreignConst->mConstType == BfConstType_GEP32_2)
- {
- auto constGep32_2 = (BfConstantGEP32_2*)foreignConst;
- auto gepTarget = methodInstance->GetOwner()->mConstHolder->GetConstantById(constGep32_2->mTarget);
- if (gepTarget->mConstType == BfConstType_GlobalVar)
- {
- auto globalVar = (BfGlobalVar*)gepTarget;
- if (globalVar->mName[0] == '#')
- {
- if (strcmp(globalVar->mName, "#CallerExpression") == 0)
- {
- int exprIdx = constGep32_2->mIdx1;
- if ((exprIdx >= 0) && (exprIdx < (int)argValues.size()))
- {
- auto expr = argValues[exprIdx].mExpression;
- if (expr != NULL)
- {
- argValue = BfTypedValue(mModule->GetStringObjectValue(expr->ToString()),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- }
- else
- {
- mModule->Fail("CallerExpression index out of bounds", targetSrc);
- argValue = BfTypedValue(mModule->GetStringObjectValue(""),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- }
- }
- }
- }
- if (!argValue)
- {
- argValue = mModule->GetTypedValueFromConstant(foreignConst, methodInstance->GetOwner()->mConstHolder, foreignDefaultVal.mType);
- if (!argValue)
- mModule->Fail("Default parameter value failed", targetSrc);
- mModule->mBfIRBuilder->PopulateType(foreignDefaultVal.mType);
- }
- }
- else
- {
- if (argExprIdx == -1)
- argValue = target;
- else
- argValue = argValues[argExprIdx].mTypedValue;
- if ((argValue.IsParams()) && (!isDirectPass))
- {
- BfAstNode* refNode = arg;
- if (auto unaryOperatorExpr = BfNodeDynCast<BfUnaryOperatorExpression>(refNode))
- refNode = unaryOperatorExpr->mOpToken;
- mModule->Warn(0, "Unused 'params' expression", refNode);
- }
- if (wantType->IsMethodRef())
- {
- auto expr = argValues[argExprIdx].mExpression;
- if (expr != NULL)
- SetMethodElementType(expr);
- if (!argValue)
- argValue = mModule->CreateValueFromExpression(BfNodeDynCast<BfExpression>(arg), wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
- // Add any implicit captures now
- auto methodRefType = (BfMethodRefType*)wantType;
- BfMethodInstance* useMethodInstance = methodRefType->mMethodRef;
- for (int dataIdx = 0; dataIdx < methodRefType->GetCaptureDataCount(); dataIdx++)
- {
- int paramIdx = methodRefType->GetParamIdxFromDataIdx(dataIdx);
- auto lookupVal = DoImplicitArgCapture(arg, useMethodInstance, paramIdx, failed, BfImplicitParamKind_General, argValue);
- if (lookupVal)
- {
- if (methodRefType->WantsDataPassedAsSplat(dataIdx))
- SplatArgs(lookupVal, irArgs);
- else
- {
- if (lookupVal.mType->IsComposite())
- lookupVal = mModule->MakeAddressable(lookupVal, false);
- irArgs.push_back(lookupVal.mValue);
- }
- }
- }
- paramIdx++;
- argIdx++;
- continue;
- }
- else if (argExprIdx >= 0)
- {
- BfParamKind paramKind = BfParamKind_Normal;
- BfIdentifierNode* paramNameNode = NULL;
- if (paramIdx < methodInstance->GetParamCount())
- {
- paramKind = methodInstance->GetParamKind(paramIdx);
- paramNameNode = methodInstance->GetParamNameNode(paramIdx);
- }
- argValues[argExprIdx].mExpectedType = wantType;
- argValue = ResolveArgValue(argValues[argExprIdx], wantType, NULL, paramKind, paramNameNode);
- }
- }
- if (!argValue)
- {
- failed = true;
- }
- if ((arg != NULL) && (autoComplete != NULL) && (autoComplete->mResolveType == BfResolveType_GetResultString) && (autoComplete->IsAutocompleteNode(arg)))
- {
- if (!autoComplete->mResultString.Contains('\r'))
- {
- String str;
- str += methodInstance->GetParamName(paramIdx);
- str += " @ ";
- bool isCtor = methodInstance->mMethodDef->mMethodType == BfMethodType_Ctor;
- if (isCtor)
- str += methodInstance->GetOwner()->mTypeDef->mName->ToString();
- else
- str += methodInstance->mMethodDef->mName;
- str += "(";
- for (int i = isCtor ? 1 : 0; i < methodInstance->GetParamCount(); i++)
- {
- if (i > (isCtor ? 1 : 0))
- str += ",";
- if (i == paramIdx)
- {
- if (methodInstance->GetParamKind(paramIdx) == BfParamKind_Params)
- str += "params ";
- str += mModule->TypeToString(methodInstance->GetParamType(paramIdx));
- }
- }
- str += ")";
- if (!autoComplete->mResultString.StartsWith(":"))
- autoComplete->mResultString.Clear();
- int crPos = (int)autoComplete->mResultString.IndexOf('\n');
- if (crPos == -1)
- crPos = autoComplete->mResultString.mLength;
- int insertPos = BF_MAX(1, crPos);
- if (autoComplete->mResultString.IsEmpty())
- autoComplete->mResultString += ":";
- if (insertPos > 1)
- str.Insert(0, '\r');
- autoComplete->mResultString.Insert(insertPos, str);
- }
- }
- if (argValue)
- {
- if ((isThis) && (argValue.mType->IsRef()))
- {
- // Convert a 'ref this' to a 'this*'
- argValue.mType = mModule->CreatePointerType(argValue.mType->GetUnderlyingType());
- }
- BfAstNode* refNode = arg;
- if (refNode == NULL)
- refNode = targetSrc;
- if ((wantType->IsRef()) && (!argValue.mType->IsRef()) &&
- (((callFlags & BfCreateCallFlags_AllowImplicitRef) != 0) || (wantType->IsIn())))
- {
- auto underlyingType = wantType->GetUnderlyingType();
- if (mModule->mCurMethodState != NULL)
- {
- SetAndRestoreValue<BfScopeData*> prevScopeData(mModule->mCurMethodState->mOverrideScope, boxScopeData);
- argValue = mModule->Cast(refNode, argValue, underlyingType);
- }
- else
- argValue = mModule->Cast(refNode, argValue, underlyingType, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
- if (argValue)
- argValue = mModule->ToRef(argValue, (BfRefType*)wantType);
- }
- else
- {
- if (mModule->mCurMethodState != NULL)
- {
- SetAndRestoreValue<BfScopeData*> prevScopeData(mModule->mCurMethodState->mOverrideScope, boxScopeData);
- argValue = mModule->Cast(refNode, argValue, wantType, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
- }
- else
- argValue = mModule->Cast(refNode, argValue, wantType, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
- }
- if (!argValue)
- {
- if ((argExprIdx < (int)argValues.size()) && ((argValues[argExprIdx].mArgFlags & BfArgFlag_StringInterpolateArg) != 0))
- {
- BfAstNode* errorRef = NULL;
- int checkIdx = argExprIdx - 1;
- while (checkIdx >= 0)
- {
- if ((argValues[checkIdx].mArgFlags & BfArgFlag_StringInterpolateFormat) != 0)
- {
- errorRef = argValues[checkIdx].mExpression;
- break;
- }
- checkIdx--;
- }
- if (errorRef != NULL)
- mModule->Warn(0, "If string allocation was intended then consider adding a specifier such as 'scope'.", errorRef);
- }
- failed = true;
- }
- else if ((wantType->IsComposite()) && (!expandedParamsArray))
- {
- if (methodInstance->mIsIntrinsic)
- {
- // Intrinsics can handle structs either by value or address
- }
- else
- {
- // We need to make a temp and get the addr of that
- if ((!wantsSplat) && (!argValue.IsValuelessType()) && (!argValue.IsAddr()) && (!IsConstEval()))
- {
- argValue = mModule->MakeAddressable(argValue);
- }
- }
- }
- else if (!wantType->IsRef())
- argValue = mModule->LoadValue(argValue);
- }
- if ((argExprIdx != -1) && (argExprIdx < (int)argValues.size()) && ((argValues[argExprIdx].mArgFlags & BfArgFlag_Cascade) != 0))
- {
- mUsedAsStatement = true;
- if (argValues[argExprIdx].mUncastedTypedValue)
- argCascades.Add(argValues[argExprIdx].mUncastedTypedValue);
- else
- argCascades.Add(argValue);
- }
- if (expandedParamsArray)
- {
- if (argValue)
- {
- if (argValue.mValue.IsFake())
- {
- if ((!mModule->IsInUnspecializedGeneric()) && (!mModule->mBfIRBuilder->mIgnoreWrites))
- mModule->InternalError("Invalid expandedParamsArray value");
- }
- else if (IsConstEval())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(expandedParamsArray.mValue);
- BF_ASSERT(constant->mConstType == BfConstType_Agg);
- auto constAgg = (BfConstantAgg*)constant;
- constAgg->mValues[extendedParamIdx] = argValue.mValue;
- }
- else if (expandedParamAlloca)
- {
- argValue = mModule->LoadOrAggregateValue(argValue);
- auto addr = mModule->mBfIRBuilder->CreateInBoundsGEP(expandedParamAlloca, extendedParamIdx);
- auto storeInst = mModule->mBfIRBuilder->CreateAlignedStore(argValue.mValue, addr, argValue.mType->mAlign);
- }
- else
- {
- auto firstElem = mModule->GetFieldByName(expandedParamsArray.mType->ToTypeInstance(), "mFirstElement");
- if (firstElem != NULL)
- {
- argValue = mModule->LoadValue(argValue);
- auto firstAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(expandedParamsArray.mValue, 0, firstElem->mDataIdx);
- auto indexedAddr = mModule->CreateIndexedValue(argValue.mType, firstAddr, extendedParamIdx);
- if (argValue.IsSplat())
- mModule->AggregateSplatIntoAddr(argValue, indexedAddr);
- else
- mModule->mBfIRBuilder->CreateAlignedStore(argValue.mValue, indexedAddr, argValue.mType->mAlign);
- }
- }
- }
- extendedParamIdx++;
- }
- else
- {
- if ((paramIdx == 0) && (methodInstance->GetParamName(paramIdx) == "this") && (wantType->IsPointer()))
- {
- auto underlyingType = wantType->GetUnderlyingType();
- mModule->PopulateType(underlyingType, BfPopulateType_Data);
- if ((underlyingType->IsValuelessType()) && (!underlyingType->IsVoid()))
- {
- // We don't actually pass a 'this' pointer for mut methods on valueless structs
- argIdx++;
- paramIdx++;
- continue;
- }
- }
- if (argValue)
- {
- if (isThis)
- PushThis(targetSrc, argValue, methodInstance, irArgs);
- else if (wantsSplat)
- SplatArgs(argValue, irArgs);
- else
- PushArg(argValue, irArgs, true, false, methodInstance->mIsIntrinsic, methodInstance->mCallingConvention != BfCallingConvention_Unspecified);
- }
- paramIdx++;
- }
- argIdx++;
- }
- if (failed)
- {
- // Process the other unused arguments
- while (argIdx < argValues.size())
- {
- mModule->AssertErrorState();
- auto argValue = argValues[argIdx].mTypedValue;
- if ((argValues[argIdx].mArgFlags & (BfArgFlag_DelegateBindAttempt | BfArgFlag_LambdaBindAttempt | BfArgFlag_UnqualifiedDotAttempt | BfArgFlag_DeferredEval | BfArgFlag_VariableDeclaration | BfArgFlag_UninitializedExpr)) != 0)
- {
- if (!argValue)
- {
- auto expr = BfNodeDynCast<BfExpression>(argValues[argIdx].mExpression);
- if (expr != NULL)
- argValue = mModule->CreateValueFromExpression(expr);
- }
- }
- argIdx++;
- }
- prevIgnoreWrites.Restore();
- return mModule->GetDefaultTypedValue(returnType, false, BfDefaultValueKind_Addr);
- }
- prevBindResult.Restore();
- if (!methodDef->mIsStatic)
- {
- bool ignoreVirtualError = (mModule->mBfIRBuilder->mIgnoreWrites) && (mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsForeignMethodDef);
- if ((methodInstance->GetOwner()->IsInterface()) && (!target.mType->IsGenericParam()) && (!target.mType->IsConcreteInterfaceType()) &&
- (!mModule->mCurTypeInstance->IsInterface()) && (!ignoreVirtualError))
- {
- if (methodInstance->mVirtualTableIdx == -1)
- {
- mModule->PopulateType(methodInstance->GetOwner(), BfPopulateType_DataAndMethods);
- }
- if (methodInstance->mVirtualTableIdx == -1)
- {
- if (methodInstance->mMethodDef->mIsConcrete)
- {
- mModule->Fail(StrFormat("The method '%s' cannot be invoked from an interface reference because its return value is declared as 'concrete'", mModule->MethodToString(methodInstance).c_str()), targetSrc);
- }
- else if (methodInstance->HasSelf())
- {
- mModule->Fail(StrFormat("The method '%s' cannot be invoked from an interface reference because it contains 'Self' type references", mModule->MethodToString(methodInstance).c_str()), targetSrc);
- }
- else
- {
- if ((bypassVirtual) && (mModule->mCurTypeInstance->IsInterface()))
- {
- // Allow a base call to be defined
- }
- else if ((methodInstance->IsSpecializedGenericMethod()) && (origTarget) && (!origTarget.mType->IsInterface()))
- {
- if (!mModule->mBfIRBuilder->mIgnoreWrites)
- mModule->AssertErrorState();
- }
- else if ((!mModule->mCurMethodInstance->mIsUnspecialized))
- {
- // Compiler error?
- String errorString = "Unable to dynamically dispatch '%s'";
- if (methodInstance->IsSpecializedGenericMethod())
- errorString = "Unable to dynamically dispatch '%s' because generic methods can only be directly dispatched";
- if (methodInstance->mReturnType->IsConcreteInterfaceType())
- errorString = "Unable to dynamically dispatch '%s' because the concrete return type is unknown";
- mModule->Fail(StrFormat(errorString.c_str(), mModule->MethodToString(methodInstance).c_str()), targetSrc);
- }
- //BF_ASSERT(mModule->mCurMethodInstance->mIsUnspecialized);
- }
- if (mFunctionBindResult != NULL)
- {
- mFunctionBindResult->mMethodInstance = methodInstance;
- mFunctionBindResult->mTarget = target;
- mFunctionBindResult->mFunc = moduleMethodInstance.mFunc;
- for (auto arg : irArgs)
- mFunctionBindResult->mIRArgs.push_back(arg);
- }
- prevIgnoreWrites.Restore();
- return mModule->GetDefaultTypedValue(returnType);
- }
- }
- }
- else
- {
- //BF_ASSERT(!methodInstance->GetOwner()->IsInterface());
- }
- prevIgnoreWrites.Restore();
- if (target.mType != NULL)
- {
- // When we call a method from a static ctor, that method could access static fields so we need to make sure
- // the type has been initialized
- auto targetTypeInst = target.mType->ToTypeInstance();
- if (targetTypeInst != NULL)
- {
- if (prevBindResult.mPrevVal == NULL)
- {
- if ((mModule->mAttributeState == NULL) || (mModule->mAttributeState->mCustomAttributes == NULL) ||
- (!mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoStaticCtorAttributeTypeDef)))
- {
- mModule->CheckStaticAccess(targetTypeInst);
- }
- }
- }
- }
- if (methodInstance->mReturnType == NULL)
- {
- mModule->AssertErrorState();
- mModule->Fail("Circular reference in method instance", targetSrc);
- return BfTypedValue();
- }
- BfCreateCallFlags physCallFlags = BfCreateCallFlags_None;
- if ((origTarget.mType != NULL) && (origTarget.mType->IsGenericParam()))
- physCallFlags = (BfCreateCallFlags)(physCallFlags | BfCreateCallFlags_GenericParamThis);
- auto func = moduleMethodInstance.mFunc;
- BfTypedValue callResult = CreateCall(targetSrc, methodInstance, func, bypassVirtual, irArgs, NULL, physCallFlags, origTarget.mType);
- prevIgnoreWrites.Restore();
- if ((methodInstance->mMethodDef->mIsNoReturn) && ((mBfEvalExprFlags & BfEvalExprFlags_IsExpressionBody) != 0) &&
- (mExpectingType != NULL) && (callResult.mType != mExpectingType))
- {
- callResult = mModule->GetDefaultTypedValue(mExpectingType);
- }
- // This gets triggered for non-sret (ie: comptime) composite returns so they aren't considered readonly
- if ((callResult.mKind == BfTypedValueKind_Value) && (!callResult.mValue.IsConst()) &&
- (!callResult.mType->IsValuelessType()) && (callResult.mType->IsComposite()) && (!methodInstance->GetLoweredReturnType()))
- {
- bool makeAddressable = true;
- auto typeInstance = callResult.mType->ToTypeInstance();
- if ((typeInstance != NULL) && (typeInstance->mHasUnderlyingArray))
- makeAddressable = false;
- if (makeAddressable)
- {
- callResult = mModule->MakeAddressable(callResult, true);
- }
- }
- if (argCascades.mSize == 1)
- {
- if (argCascade == NULL)
- return argCascades[0];
- *argCascade = argCascades[0];
- }
- if (argCascades.mSize > 1)
- {
- if (argCascade == NULL)
- return mModule->CreateTuple(argCascades, {});
- *argCascade = mModule->CreateTuple(argCascades, {});
- }
- return callResult;
- }
- BfTypedValue BfExprEvaluator::MatchConstructor(BfAstNode* targetSrc, BfMethodBoundExpression* methodBoundExpr, BfTypedValue target, BfTypeInstance* targetType, BfResolvedArgs& argValues, bool callCtorBodyOnly,
- const BfMethodGenericArguments& methodGenericArguments, BfAllowAppendKind allowAppendKind, BfTypedValue* appendIndexValue)
- {
- // Temporarily disable so we don't capture calls in params
- SetAndRestoreValue<BfFunctionBindResult*> prevBindResult(mFunctionBindResult, NULL);
- auto origAllowAppendKind = allowAppendKind;
- if (allowAppendKind == BfAllowAppendKind_Infer)
- {
- mModule->PopulateType(targetType);
- allowAppendKind = targetType->IsZeroGap() ? BfAllowAppendKind_ZeroGap : BfAllowAppendKind_Yes;
- }
- static int sCtorCount = 0;
- sCtorCount++;
- BfMethodMatcher methodMatcher(targetSrc, mModule, "", argValues.mResolvedArgs, methodGenericArguments);
- methodMatcher.mAllowAppendKind = allowAppendKind;
- methodMatcher.mBfEvalExprFlags = mBfEvalExprFlags;
- BfTypeVector typeGenericArguments;
- auto curTypeInst = targetType;
- auto curTypeDef = targetType->mTypeDef;
- BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
- auto activeTypeDef = mModule->GetActiveTypeDef();
- auto visibleProjectSet = mModule->GetVisibleProjectSet();
- bool isFailurePass = false;
- for (int pass = 0; pass < 2; pass++)
- {
- isFailurePass = pass == 1;
- curTypeDef->PopulateMemberSets();
- BfMethodDef* nextMethodDef = NULL;
- BfMemberSetEntry* entry;
- if (curTypeDef->mMethodSet.TryGetWith(String("__BfCtor"), &entry))
- nextMethodDef = (BfMethodDef*)entry->mMemberDef;
- while (nextMethodDef != NULL)
- {
- auto checkMethod = nextMethodDef;
- nextMethodDef = nextMethodDef->mNextWithSameName;
- if ((isFailurePass) && (checkMethod->mMethodDeclaration == NULL))
- continue; // Don't match private default ctor if there's a user-defined one
- if (checkMethod->mIsStatic)
- continue;
- if ((checkMethod->mDeclaringType->IsExtension()) && (mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) &&
- (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoExtensionAttributeTypeDef)))
- {
- mModule->mAttributeState->mUsed = true;
- continue;
- }
- if (!mModule->IsInSpecializedSection())
- {
- if ((!curTypeInst->IsTypeMemberIncluded(checkMethod->mDeclaringType, activeTypeDef, mModule)) ||
- (!curTypeInst->IsTypeMemberAccessible(checkMethod->mDeclaringType, visibleProjectSet)))
- continue;
- }
- auto checkProt = checkMethod->mProtection;
- if (!isFailurePass)
- {
- if (callCtorBodyOnly)
- {
- if (curTypeDef != mModule->mCurTypeInstance->mTypeDef)
- {
- // We're calling the base class's ctor from a derived class
- if (checkProt <= BfProtection_Private)
- continue;
- }
- }
- else
- {
- if ((checkProt == BfProtection_Protected) || (checkProt == BfProtection_ProtectedInternal)) // Treat protected constructors as private
- checkProt = BfProtection_Private;
- if (!mModule->CheckProtection(protectionCheckFlags, curTypeInst, checkMethod->mDeclaringType->mProject, checkProt, curTypeInst))
- continue;
- }
- }
- methodMatcher.CheckMethod(NULL, curTypeInst, checkMethod, isFailurePass);
- }
- if ((methodMatcher.mBestMethodDef != NULL) || (methodMatcher.mBackupMethodDef != NULL))
- break;
- }
- if (methodMatcher.mBestMethodDef == NULL)
- methodMatcher.mBestMethodDef = methodMatcher.mBackupMethodDef;
- if (methodMatcher.mBestMethodDef == NULL)
- {
- mModule->Fail("No constructor available", targetSrc);
- return BfTypedValue();
- }
- auto methodDef = methodMatcher.mBestMethodDef;
- if (mModule->mCompiler->mResolvePassData != NULL)
- mModule->mCompiler->mResolvePassData->HandleMethodReference(targetSrc, curTypeInst->mTypeDef->GetDefinition(), methodDef);
- // There should always be a constructor
- BF_ASSERT(methodMatcher.mBestMethodDef != NULL);
- //auto moduleMethodInstance = mModule->GetMethodInstance(methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef, methodMatcher.mBestMethodGenericArguments);
- auto moduleMethodInstance = GetSelectedMethod(methodMatcher);
- if (!moduleMethodInstance)
- return BfTypedValue();
- if (!mModule->CheckUseMethodInstance(moduleMethodInstance.mMethodInstance, targetSrc))
- return BfTypedValue();
- BfAutoComplete* autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- {
- BfTypeInstance* resolvedTypeInstance = target.mType->ToTypeInstance();
- auto ctorDecl = BfNodeDynCast<BfConstructorDeclaration>(methodDef->mMethodDeclaration);
- if ((autoComplete->mIsGetDefinition) && (autoComplete->IsAutocompleteNode(targetSrc)) && (!BfNodeIsA<BfDelegateBindExpression>(targetSrc)))
- {
- if ((autoComplete->mDefMethod == NULL) && (autoComplete->mDefField == NULL) &&
- (autoComplete->mDefProp == NULL)
- && ((autoComplete->mDefType == NULL) || (autoComplete->mDefType == resolvedTypeInstance->mTypeDef)))
- {
- // Do we need to do this mDefType setting? If we do, then make sure we only get the element type of generics and such
- //autoComplete->mDefType = resolvedTypeInstance->mTypeDef;
- if (ctorDecl != NULL)
- autoComplete->SetDefinitionLocation(ctorDecl->mThisToken, true);
- else if (resolvedTypeInstance->mTypeDef->mTypeDeclaration != NULL)
- autoComplete->SetDefinitionLocation(resolvedTypeInstance->mTypeDef->mTypeDeclaration->mNameNode, true);
- }
- }
- else if ((autoComplete->mResolveType == BfResolveType_GetResultString) && (autoComplete->IsAutocompleteNode(targetSrc)) &&
- (moduleMethodInstance.mMethodInstance != NULL))
- {
- autoComplete->mResultString = ":";
- autoComplete->mResultString += mModule->MethodToString(moduleMethodInstance.mMethodInstance);
- }
- }
- BfConstructorDeclaration* ctorDecl = (BfConstructorDeclaration*)methodMatcher.mBestMethodDef->mMethodDeclaration;
- if ((methodMatcher.mBestMethodDef->HasAppend()) && (targetType->IsObject()))
- {
- if (allowAppendKind == BfAllowAppendKind_No)
- {
- if (mModule->mCurMethodInstance->mMethodDef->mMethodDeclaration == NULL)
- mModule->Fail("Constructors with append allocations cannot be called from a default constructor. Considering adding an explicit default constructor with the [AllowAppend] specifier.", targetSrc);
- else
- mModule->Fail("Constructors with append allocations cannot be called from a constructor without [AllowAppend] specified.", targetSrc);
- }
- else
- {
- if ((allowAppendKind == BfAllowAppendKind_Yes) && (methodMatcher.mBestMethodDef->mAppendKind == BfAllowAppendKind_ZeroGap))
- {
- BfError* error;
- if (origAllowAppendKind == BfAllowAppendKind_Infer)
- error = mModule->Fail(StrFormat("Cannot call ZeroGap constructor for type '%s' because of fields added from type extensions", mModule->TypeToString(targetType).c_str()), targetSrc);
- else
- error = mModule->Fail(StrFormat("Cannot call ZeroGap constructor for type '%s' from here", mModule->TypeToString(targetType).c_str()), targetSrc);
- if ((error != NULL) && (methodMatcher.mBestMethodDef->mMethodDeclaration != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodMatcher.mBestMethodDef->GetRefNode());
- }
- BfResolvedArg resolvedArg;
- if (appendIndexValue != NULL)
- {
- resolvedArg.mTypedValue = *appendIndexValue;
- }
- else
- {
- auto intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- auto intPtrRefType = mModule->CreateRefType(intPtrType);
- if (target.mValue.IsFake())
- {
- resolvedArg.mTypedValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), intPtrRefType);
- }
- else
- {
- BFMODULE_FATAL(mModule, "Bad");
- }
- }
- methodMatcher.mArguments.Insert(0, resolvedArg);
- }
- }
- if (methodMatcher.mAutoFlushAmbiguityErrors)
- methodMatcher.FlushAmbiguityError(true);
- if (isFailurePass)
- mModule->Fail(StrFormat("'%s' is inaccessible due to its protection level", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
- prevBindResult.Restore();
- return CreateCall(methodMatcher.mTargetSrc, target, BfTypedValue(), methodMatcher.mBestMethodDef, moduleMethodInstance, BfCreateCallFlags_None, methodMatcher.mArguments);
- }
- static int sInvocationIdx = 0;
- BfTypedValue BfExprEvaluator::ResolveArgValue(BfResolvedArg& resolvedArg, BfType* wantType, BfTypedValue* receivingValue, BfParamKind paramKind, BfIdentifierNode* paramNameNode)
- {
- BfTypedValue argValue = resolvedArg.mTypedValue;
- if ((resolvedArg.mArgFlags & BfArgFlag_Finalized) != 0)
- return argValue;
- if ((resolvedArg.mArgFlags & (BfArgFlag_DelegateBindAttempt | BfArgFlag_LambdaBindAttempt | BfArgFlag_UnqualifiedDotAttempt | BfArgFlag_DeferredEval)) != 0)
- {
- if ((!argValue) || (argValue.mValue.IsFake()) || (resolvedArg.mWantsRecalc))
- {
- resolvedArg.mWantsRecalc = false;
- auto expr = BfNodeDynCast<BfExpression>(resolvedArg.mExpression);
- if (expr != NULL)
- {
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mReceivingValue = receivingValue;
- BfEvalExprFlags flags = (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowRefExpr);
- if ((paramKind == BfParamKind_Params) || (paramKind == BfParamKind_DelegateParam))
- flags = (BfEvalExprFlags)(flags | BfEvalExprFlags_AllowParamsExpr);
- argValue = mModule->CreateValueFromExpression(exprEvaluator, expr, wantType, flags);
- if ((argValue) && (argValue.mType != wantType) && (wantType != NULL))
- {
- if ((mDeferCallData != NULL) && (wantType == mModule->mContext->mBfObjectType))
- {
- BfAllocTarget allocTarget(mDeferCallData->mScopeAlloc);
- argValue = mModule->BoxValue(expr, argValue, wantType, allocTarget, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
- }
- else
- argValue = mModule->Cast(expr, argValue, wantType, ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) ? BfCastFlags_WantsConst : BfCastFlags_None);
- }
- }
- }
- }
- else if ((resolvedArg.mArgFlags & (BfArgFlag_DeferredValue)) != 0)
- {
- // We should have already had an error on the first call
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, mModule->mHadBuildError);
- auto expr = BfNodeDynCast<BfExpression>(resolvedArg.mExpression);
- BF_ASSERT(expr != NULL);
- argValue = mModule->CreateValueFromExpression(expr, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowRefExpr | BfEvalExprFlags_AllowOutExpr));
- resolvedArg.mUncastedTypedValue = argValue;
- if ((argValue) && (wantType != NULL))
- argValue = mModule->Cast(expr, argValue, wantType);
- }
- else if ((resolvedArg.mArgFlags & (BfArgFlag_UntypedDefault)) != 0)
- {
- argValue = mModule->GetDefaultTypedValue(wantType);
- }
- else if ((resolvedArg.mArgFlags & (BfArgFlag_VariableDeclaration | BfArgFlag_UninitializedExpr)) != 0)
- {
- auto variableDeclaration = BfNodeDynCast<BfVariableDeclaration>(resolvedArg.mExpression);
- auto variableType = wantType;
- bool isLet = (variableDeclaration != NULL) && (variableDeclaration->mTypeRef->IsExact<BfLetTypeReference>());
- bool isVar = (variableDeclaration == NULL) || (variableDeclaration->mTypeRef->IsExact<BfVarTypeReference>());
- if (mModule->mCurMethodState->mPendingNullConditional != NULL)
- {
- mModule->Fail("Variables cannot be declared in method arguments inside null conditional expressions", variableDeclaration);
- }
- if ((!isLet) && (!isVar))
- {
- if (variableType->IsVar())
- {
- auto resolvedType = mModule->ResolveTypeRef(variableDeclaration->mTypeRef);
- if (resolvedType != NULL)
- variableType = resolvedType;
- }
- else
- {
- mModule->Fail("Only 'ref' or 'var' variables can be declared in method arguments", variableDeclaration);
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- autoComplete->CheckTypeRef(variableDeclaration->mTypeRef, true, true);
- }
- }
- else
- {
- if (variableType->IsVar())
- {
- mModule->Fail("Variable type required for 'var' parameter types", variableDeclaration);
- }
- }
- if (wantType->IsRef())
- {
- auto refType = (BfRefType*)wantType;
- variableType = refType->mElementType;
- }
- if ((variableDeclaration != NULL) && (variableDeclaration->mInitializer != NULL))
- {
- mModule->Fail("Initializers cannot be used when declaring variables for 'out' parameters", variableDeclaration->mEqualsNode);
- mModule->CreateValueFromExpression(variableDeclaration->mInitializer, variableType, BfEvalExprFlags_NoCast);
- }
- argValue = mModule->CreateOutVariable(resolvedArg.mExpression, variableDeclaration, paramNameNode, variableType, BfTypedValue());
- }
- return argValue;
- }
- BfTypedValue BfExprEvaluator::CheckEnumCreation(BfAstNode* targetSrc, BfTypeInstance* enumType, const StringImpl& caseName, BfResolvedArgs& argValues)
- {
- auto activeTypeDef = mModule->GetActiveTypeDef();
- mModule->PopulateType(enumType);
- mModule->mBfIRBuilder->PopulateType(enumType);
- auto resolvePassData = mModule->mCompiler->mResolvePassData;
- // if (resolvePassData != NULL)
- // {
- // if (mModule->mParentNodeEntry != NULL)
- // {
- // if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
- // {
- // if (auto memberRefExpr = BfNodeDynCast<BfMemberReferenceExpression>(invocationExpr->mTarget))
- // {
- // BfAstNode* dotNode = memberRefExpr->mDotToken;
- // BfAstNode* nameNode = targetSrc;
- // String filter;
- // auto autoComplete = resolvePassData->mAutoComplete;
- // if ((autoComplete != NULL) && (autoComplete->InitAutocomplete(dotNode, nameNode, filter)))
- // autoComplete->AddEnumTypeMembers(enumType, caseName, false, enumType == mModule->mCurTypeInstance);
- // }
- // }
- // }
- // }
- for (int fieldIdx = 0; fieldIdx < (int)enumType->mFieldInstances.size(); fieldIdx++)
- {
- auto fieldInstance = &enumType->mFieldInstances[fieldIdx];
- auto fieldDef = fieldInstance->GetFieldDef();
- if (fieldDef == NULL)
- continue;
- if ((fieldInstance->mIsEnumPayloadCase) && (fieldDef->mName == caseName))
- {
- if ((!enumType->IsTypeMemberIncluded(fieldDef->mDeclaringType, activeTypeDef, mModule)) ||
- (!enumType->IsTypeMemberAccessible(fieldDef->mDeclaringType, activeTypeDef)))
- continue;
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- BfAutoComplete::MethodMatchEntry methodMatchEntry;
- methodMatchEntry.mPayloadEnumField = fieldInstance;
- methodMatchEntry.mTypeInstance = enumType;
- methodMatchEntry.mCurMethodInstance = mModule->mCurMethodInstance;
- autoComplete->mMethodMatchInfo->mInstanceList.push_back(methodMatchEntry);
- }
- if (resolvePassData != NULL)
- {
- BfAstNode* nameNode = targetSrc;
- if (resolvePassData->mGetSymbolReferenceKind == BfGetSymbolReferenceKind_Field)
- resolvePassData->HandleFieldReference(nameNode, enumType->mTypeDef, fieldDef);
- }
- BfIRValue enumValue;
- BfTypedValue result;
- bool wantConst = IsConstEval();
- if (wantConst)
- {
- //
- }
- else if ((mReceivingValue != NULL) && (mReceivingValue->mType == enumType) && (mReceivingValue->IsAddr()))
- {
- result = *mReceivingValue;
- mReceivingValue = NULL;
- enumValue = result.mValue;
- }
- else
- {
- mResultIsTempComposite = true;
- enumValue = mModule->CreateAlloca(enumType);
- result = BfTypedValue(enumValue, fieldInstance->mOwner, BfTypedValueKind_TempAddr);
- }
- BF_ASSERT(fieldInstance->mResolvedType->IsTuple());
- auto tupleType = (BfTypeInstance*)fieldInstance->mResolvedType;
- mModule->mBfIRBuilder->PopulateType(tupleType);
- if (tupleType->IsDeleting())
- {
- mModule->FailInternal("Deleted tuple type found in CheckEnumCreation", targetSrc);
- return BfTypedValue();
- }
- bool constFailed = false;
- SizedArray<BfIRValue, 8> constTupleMembers;
- BfIRValue fieldPtr;
- BfIRValue tuplePtr;
- if (wantConst)
- {
- constTupleMembers.Add(mModule->mBfIRBuilder->CreateConstAggZero(mModule->mBfIRBuilder->MapType(tupleType->mBaseType)));
- }
- else if (!tupleType->IsValuelessType())
- {
- fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(enumValue, 0, 1);
- auto tuplePtrType = mModule->CreatePointerType(tupleType);
- auto mappedPtrType = mModule->mBfIRBuilder->MapType(tuplePtrType);
- tuplePtr = mModule->mBfIRBuilder->CreateBitCast(fieldPtr, mappedPtrType);
- }
- for (int tupleFieldIdx = 0; tupleFieldIdx < (int)tupleType->mFieldInstances.size(); tupleFieldIdx++)
- {
- auto tupleFieldInstance = &tupleType->mFieldInstances[tupleFieldIdx];
- auto resolvedFieldType = tupleFieldInstance->GetResolvedType();
- if (tupleFieldIdx >= argValues.mResolvedArgs.size())
- {
- BfAstNode* refNode = targetSrc;
- BfAstNode* prevNode = NULL;
- if (mModule->mParentNodeEntry != NULL)
- {
- if (auto invokeExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
- {
- if (invokeExpr->mCloseParen != NULL)
- refNode = invokeExpr->mCloseParen;
- }
- }
- BfError* error = mModule->Fail(StrFormat("Not enough parameters specified, expected %d more.", tupleType->mFieldInstances.size() - (int)argValues.mArguments->size()), refNode);
- if (error != NULL)
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See enum declaration"), fieldDef->mFieldDeclaration);
- if (wantConst)
- constFailed = true;
- break;
- }
- BfTypedValue receivingValue;
- BfIRValue tupleFieldPtr;
- mModule->PopulateType(tupleFieldInstance->mResolvedType);
- if (tupleFieldInstance->mResolvedType->IsValuelessType())
- {
- receivingValue = mModule->GetDefaultTypedValue(tupleFieldInstance->mResolvedType);
- }
- else if (tuplePtr)
- {
- tupleFieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(tuplePtr, 0, tupleFieldInstance->mDataIdx);
- receivingValue = BfTypedValue(tupleFieldPtr, tupleFieldInstance->mResolvedType, true);
- }
- auto argValue = ResolveArgValue(argValues.mResolvedArgs[tupleFieldIdx], resolvedFieldType, &receivingValue);
- if (!argValue)
- {
- if (wantConst)
- constFailed = true;
- continue;
- }
- if (resolvedFieldType->IsValuelessType())
- continue;
- // Used receiving value?
- if (argValue.mValue == receivingValue.mValue)
- continue;
- argValue = mModule->AggregateSplat(argValue);
- argValues.mResolvedArgs[tupleFieldIdx].mExpectedType = resolvedFieldType;
- if ((argValues.mResolvedArgs[tupleFieldIdx].mArgFlags & (BfArgFlag_DelegateBindAttempt | BfArgFlag_LambdaBindAttempt | BfArgFlag_UnqualifiedDotAttempt)) != 0)
- {
- auto expr = BfNodeDynCast<BfExpression>(argValues.mResolvedArgs[tupleFieldIdx].mExpression);
- BF_ASSERT(expr != NULL);
- argValue = mModule->CreateValueFromExpression(expr, resolvedFieldType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- }
- if (argValue)
- {
- if ((argValue.mType->IsRef()) && (argValue.mType->GetUnderlyingType() == resolvedFieldType))
- {
- if (auto unaryOperator = BfNodeDynCast<BfUnaryOperatorExpression>(argValues.mResolvedArgs[tupleFieldIdx].mExpression))
- {
- mModule->Fail(StrFormat("Invalid use of '%s'. Enum payloads can only be retrieved through 'case' expressions.", BfGetOpName(unaryOperator->mOp)), unaryOperator->mOpToken);
- argValue = mModule->GetDefaultTypedValue(resolvedFieldType);
- }
- else if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(argValues.mResolvedArgs[tupleFieldIdx].mExpression))
- {
- mModule->Fail("Invalid variable declaration. Enum payloads can only be retrieved through 'case' expressions.", varDecl);
- argValue = mModule->GetDefaultTypedValue(resolvedFieldType);
- }
- }
- // argValue can have a value even if tuplePtr does not have a value. This can happen if we are assigning to a (void) tuple,
- // but we have a value that needs to be attempted to be casted to void
- argValue = mModule->Cast(argValues.mResolvedArgs[tupleFieldIdx].mExpression, argValue, resolvedFieldType, wantConst ? BfCastFlags_WantsConst : BfCastFlags_None);
- if (wantConst)
- {
- if (!argValue.mValue.IsConst())
- {
- mModule->Fail("Field not const", argValues.mResolvedArgs[tupleFieldIdx].mExpression);
- constFailed = true;
- }
- constTupleMembers.Add(argValue.mValue);
- }
- else if (tupleFieldPtr)
- {
- argValue = mModule->LoadValue(argValue);
- if (argValue)
- mModule->mBfIRBuilder->CreateAlignedStore(argValue.mValue, tupleFieldPtr, resolvedFieldType->mAlign);
- }
- }
- else if (wantConst)
- constFailed = true;
- }
- if ((intptr)argValues.mResolvedArgs.size() > tupleType->mFieldInstances.size())
- {
- BfAstNode* errorRef = argValues.mResolvedArgs[tupleType->mFieldInstances.size()].mExpression;
- if (errorRef == NULL)
- errorRef = targetSrc;
- BfError* error = mModule->Fail(StrFormat("Too many arguments, expected %d fewer.", argValues.mResolvedArgs.size() - tupleType->mFieldInstances.size()), errorRef);
- if (error != NULL)
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See enum declaration"), fieldDef->mFieldDeclaration);
- if (wantConst)
- constFailed = true;
- }
- auto dscrType = enumType->GetDiscriminatorType();
- auto dscrField = &enumType->mFieldInstances.back();
- int tagIdx = -fieldInstance->mDataIdx - 1;
- if ((wantConst) && (!constFailed))
- {
- auto unionType = enumType->GetUnionInnerType();
- auto constTuple = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(tupleType, BfIRPopulateType_Full), constTupleMembers);
- Array<uint8> memArr;
- memArr.Resize(unionType->mSize);
- if (!mModule->mBfIRBuilder->WriteConstant(constTuple, memArr.mVals, tupleType))
- {
- constFailed = true;
- }
- else
- {
- auto unionValue = mModule->mBfIRBuilder->ReadConstant(memArr.mVals, unionType);
- if (!unionValue)
- {
- constFailed = true;
- }
- else
- {
- SizedArray<BfIRValue, 3> constEnumMembers;
- constEnumMembers.Add(mModule->mBfIRBuilder->CreateConstAggZero(mModule->mBfIRBuilder->MapType(enumType->mBaseType, BfIRPopulateType_Full)));
- constEnumMembers.Add(unionValue);
- constEnumMembers.Add(mModule->mBfIRBuilder->CreateConst(dscrType->mTypeDef->mTypeCode, tagIdx));
- return BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(enumType, BfIRPopulateType_Full), constEnumMembers), enumType);
- }
- }
- }
- if (constFailed)
- {
- return mModule->GetDefaultTypedValue(enumType, false, BfDefaultValueKind_Addr);
- }
- auto dscFieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(enumValue, 0, dscrField->mDataIdx);
- mModule->mBfIRBuilder->CreateAlignedStore(mModule->mBfIRBuilder->CreateConst(dscrType->mTypeDef->mTypeCode, tagIdx), dscFieldPtr, 4);
- return result;
- }
- }
- return BfTypedValue();
- }
- bool BfExprEvaluator::CheckGenericCtor(BfGenericParamType* genericParamType, BfResolvedArgs& argValues, BfAstNode* targetSrc)
- {
- BfGenericParamFlags genericParamFlags = BfGenericParamFlag_None;
- BfType* typeConstraint = NULL;
- auto genericParam = mModule->GetMergedGenericParamData((BfGenericParamType*)genericParamType, genericParamFlags, typeConstraint);
- bool success = true;
- if ((argValues.mArguments != NULL) && (argValues.mArguments->size() != 0))
- {
- mModule->Fail(StrFormat("Only default parameterless constructors can be called on generic argument '%s'", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
- success = false;
- }
- else if ((genericParamFlags & (BfGenericParamFlag_New | BfGenericParamFlag_Struct | BfGenericParamFlag_Var)) == 0)
- {
- mModule->Fail(StrFormat("Must add 'where %s : new, struct' constraint to generic parameter to instantiate type", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
- success = false;
- }
- else if ((genericParamFlags & (BfGenericParamFlag_New | BfGenericParamFlag_Var)) == 0)
- {
- mModule->Fail(StrFormat("Must add 'where %s : new' constraint to generic parameter to instantiate type", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
- success = false;
- }
- else if ((genericParamFlags & (BfGenericParamFlag_Struct | BfGenericParamFlag_Var)) == 0)
- {
- mModule->Fail(StrFormat("Must add 'where %s : struct' constraint to generic parameter to instantiate type without allocator", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
- success = false;
- }
- else if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
- {
- mModule->Fail(StrFormat("Generic parameter '%s' constructor cannot be guaranteed to be const-evaluable", genericParam->GetGenericParamDef()->mName.c_str()), targetSrc);
- }
- return success;
- }
- BfTypedValue BfExprEvaluator::MatchMethod(BfAstNode* targetSrc, BfMethodBoundExpression* methodBoundExpr, BfTypedValue target, bool allowImplicitThis, bool bypassVirtual, const StringImpl& methodName,
- BfResolvedArgs& argValues, const BfMethodGenericArguments& methodGenericArgs, BfCheckedKind checkedKind)
- {
- BP_ZONE("MatchMethod");
- auto methodGenericArguments = methodGenericArgs.mArguments;
- if (bypassVirtual)
- {
- // "bypassVirtual" means that we know for sure that the target is EXACTLY the specified target type,
- // not derived from (or implementing) the target type. This cannot apply to interfaces.
- BF_ASSERT(!target.mType->IsInterface());
- }
- auto origTarget = target;
- if (mFunctionBindResult != NULL)
- {
- BF_ASSERT(!mFunctionBindResult->mOrigTarget);
- mFunctionBindResult->mOrigTarget = origTarget;
- }
- if (target)
- {
- if (target.mType->IsConcreteInterfaceType())
- target.mType = target.mType->GetUnderlyingType();
- // Turn T* into a T, if we can
- if ((target.mType->IsPointer()) && (target.mType->GetUnderlyingType()->IsGenericParam()))
- {
- auto underlyingType = target.mType->GetUnderlyingType();
- auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)underlyingType);
- if (((genericParam->mTypeConstraint != NULL) && (genericParam->mTypeConstraint->IsValueType())) ||
- ((genericParam->mGenericParamFlags & (BfGenericParamFlag_Struct)) != 0))
- {
- target.mType = underlyingType;
- }
- }
- if ((!target.mType->IsGenericParam()) &&
- ((!target.IsSplat()) || (target.mType->IsWrappableType())) &&
- (!IsVar(target.mType)))
- target = MakeCallableTarget(targetSrc, target);
- }
- // static int sCallIdx = 0;
- // if (!mModule->mCompiler->mIsResolveOnly)
- // sCallIdx++;
- // int callIdx = sCallIdx;
- // if (callIdx == 118)
- // {
- // NOP;
- // }
- bool prevAllowVariableDeclarations = true;
- if (mModule->mCurMethodState != NULL)
- {
- // Don't allow variable declarations in arguments for this method call
- prevAllowVariableDeclarations = mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations;
- mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations = false;
- }
- defer
- (
- if (mModule->mCurMethodState != NULL)
- mModule->mCurMethodState->mCurScope->mAllowVariableDeclarations = prevAllowVariableDeclarations;
- );
- // Temporarily disable so we don't capture calls in params
- SetAndRestoreValue<BfFunctionBindResult*> prevBindResult(mFunctionBindResult, NULL);
- sInvocationIdx++;
- bool wantCtor = methodName.IsEmpty();
- BfAutoComplete::MethodMatchInfo* restoreCapturingMethodMatchInfo = NULL;
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- if ((!targetSrc->IsFromParser(mModule->mCompiler->mResolvePassData->mParsers[0])) ||
- ((autoComplete->mMethodMatchInfo->mInvocationSrcIdx != -1) && (autoComplete->mMethodMatchInfo->mInvocationSrcIdx != targetSrc->GetSrcStart())))
- {
- autoComplete->mIsCapturingMethodMatchInfo = false;
- restoreCapturingMethodMatchInfo = autoComplete->mMethodMatchInfo;
- }
- }
- defer(
- {
- if ((restoreCapturingMethodMatchInfo != NULL) && (autoComplete->mMethodMatchInfo == restoreCapturingMethodMatchInfo))
- autoComplete->mIsCapturingMethodMatchInfo = true;
- });
- /*if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo) && (autoComplete->mMethodMatchInfo->mInstanceList.size() != 0))
- autoComplete->mIsCapturingMethodMatchInfo = false;*/
- bool isUnboundCall = false;
- if (target.mType != NULL)
- {
- if (target.mType->IsGenericParam())
- {
- auto genericParamTarget = (BfGenericParamType*) target.mType;
- auto genericParamInstance = mModule->GetGenericParamInstance(genericParamTarget);
- isUnboundCall = (genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Var) != 0;
- if (isUnboundCall)
- {
- if (mModule->mCurMethodInstance->mIsUnspecialized)
- {
- auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
- target.mType = varType;
- }
- }
- }
- else if (IsVar(target.mType))
- isUnboundCall = true;
- }
- /*if (mPrefixedAttributeState != NULL)
- {
- auto customAttr = mPrefixedAttributeState->mCustomAttributes->Get(mModule->mCompiler->mUnboundAttributeTypeDef);
- if (customAttr != NULL)
- {
- if (!mModule->IsInGeneric())
- {
- mModule->Fail("'Unbound' can only be used within generics");
- }
- mPrefixedAttributeState->mUsed = true;
- isUnboundCall = true;
- }
- }*/
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
- {
- auto customAttr = mModule->mAttributeState->mCustomAttributes->Get(mModule->mCompiler->mUnboundAttributeTypeDef);
- if (customAttr != NULL)
- {
- if (!mModule->IsInGeneric())
- {
- mModule->Fail("'Unbound' can only be used within generics");
- }
- mModule->mAttributeState->mUsed = true;
- isUnboundCall = true;
- }
- }
- if (isUnboundCall)
- {
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized))
- {
- auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
- for (int argIdx = 0; argIdx < (int)argValues.mResolvedArgs.size(); argIdx++)
- {
- if ((argValues.mResolvedArgs[argIdx].mArgFlags & BfArgFlag_DeferredEval) != 0)
- {
- mModule->CreateValueFromExpression((*argValues.mArguments)[argIdx], varType);
- }
- }
- return BfTypedValue(mModule->GetDefaultValue(varType), varType);
- }
- }
- SetAndRestoreValue<bool> prevNoBind(mNoBind, mNoBind || isUnboundCall);
- bool wantsExtensionCheck = target;
- auto targetType = target.mType;
- BfTypeDef* curTypeDef = NULL;
- BfType* selfType = NULL;
- BfTypeInstance* targetTypeInst = NULL;
- bool checkNonStatic = true;
- if (target)
- {
- if (IsVar(targetType))
- return mModule->GetDefaultTypedValue(targetType);
- targetTypeInst = targetType->ToTypeInstance();
- if (targetTypeInst != NULL)
- curTypeDef = targetTypeInst->mTypeDef;
- }
- else if (targetType != NULL) // Static targeted
- {
- if (targetType->IsWrappableType())
- {
- if ((targetType->IsPrimitiveType()) && (methodName.IsEmpty()))
- {
- if (argValues.mArguments->IsEmpty())
- {
- return mModule->GetDefaultTypedValue(targetType);
- }
- else if (argValues.mArguments->mSize == 1)
- {
- FinishDeferredEvals(argValues);
- // This is just a primitive cast
- auto& resolvedArg = argValues.mResolvedArgs[0];
- BfTypedValue castedValue;
- BfTypedValue castTarget = resolvedArg.mTypedValue;
- if (resolvedArg.mTypedValue)
- {
- castTarget = mModule->LoadValue(castTarget);
- castedValue = mModule->Cast(targetSrc, castTarget, targetType, BfCastFlags_Explicit);
- }
- if (!castedValue)
- castedValue = mModule->GetDefaultTypedValue(targetType);
- return castedValue;
- }
- }
- targetTypeInst = mModule->GetWrappedStructType(targetType);
- }
- else if (targetType->IsGenericParam())
- {
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)targetType);
- if (genericParamInstance->mTypeConstraint != NULL)
- targetTypeInst = genericParamInstance->mTypeConstraint->ToTypeInstance();
- if (genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Var)
- {
- auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
- return BfTypedValue(mModule->GetDefaultValue(varType), varType);
- }
- }
- else
- targetTypeInst = targetType->ToTypeInstance();
- if (targetTypeInst == NULL)
- {
- //mModule->Fail("No static methods available", targetSrc);
- //return BfTypedValue();
- }
- else
- {
- curTypeDef = targetTypeInst->mTypeDef;
- checkNonStatic = false;
- }
- }
- else // Current scopeData
- {
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsForeignMethodDef) && (mModule->mCurMethodInstance->mMethodInfoEx->mForeignType->IsInterface()))
- {
- targetTypeInst = mModule->mCurMethodInstance->mMethodInfoEx->mForeignType;
- curTypeDef = targetTypeInst->mTypeDef;
- checkNonStatic = true;
- target = mModule->GetThis();
- selfType = mModule->mCurTypeInstance;
- //target.mType = targetTypeInst;
- }
- else
- {
- curTypeDef = mModule->mCurTypeInstance->mTypeDef;
- targetTypeInst = mModule->mCurTypeInstance;
- if (mModule->mCurMethodState == NULL)
- {
- checkNonStatic = false;
- }
- else
- {
- if (mModule->mCurMethodState->mMixinState != NULL)
- {
- targetTypeInst = mModule->mCurMethodState->mMixinState->mMixinMethodInstance->GetOwner();
- curTypeDef = targetTypeInst->mTypeDef;
- }
- if (mModule->mCurMethodState->mTempKind != BfMethodState::TempKind_None)
- {
- checkNonStatic = mModule->mCurMethodState->mTempKind == BfMethodState::TempKind_NonStatic;
- }
- else
- checkNonStatic = !mModule->mCurMethodInstance->mMethodDef->mIsStatic;
- }
- }
- }
- bool isIndirectMethodCall = false;
- BfType* lookupType = targetType;
- BfTypeInstance* lookupTypeInst = targetTypeInst;
- if (targetType != NULL)
- {
- lookupType = BindGenericType(targetSrc, targetType);
- if (lookupType->IsGenericParam())
- lookupTypeInst = NULL;
- }
- if ((mModule->mIsReified) && (targetTypeInst != NULL) && (!targetTypeInst->mIsReified) && (!targetTypeInst->mModule->mReifyQueued))
- mModule->PopulateType(targetTypeInst);
- BfMethodDef* methodDef = NULL;
- BfTypeVector checkMethodGenericArguments;
- BfTypeInstance* curTypeInst = targetTypeInst;
- Array<SizedArray<BfUsingFieldData::MemberRef, 1>*> methodUsingLists;
- BfMethodMatcher methodMatcher(targetSrc, mModule, methodName, argValues.mResolvedArgs, methodGenericArgs);
- methodMatcher.mUsingLists = &methodUsingLists;
- methodMatcher.mOrigTarget = origTarget;
- methodMatcher.mTarget = target;
- methodMatcher.mCheckedKind = checkedKind;
- methodMatcher.mAllowImplicitThis = allowImplicitThis;
- methodMatcher.mAllowStatic = !target.mValue;
- methodMatcher.mAllowNonStatic = !methodMatcher.mAllowStatic;
- methodMatcher.mAutoFlushAmbiguityErrors = !wantsExtensionCheck;
- if (allowImplicitThis)
- {
- if (mModule->mCurMethodState == NULL)
- {
- methodMatcher.mAllowStatic = true;
- methodMatcher.mAllowNonStatic = false;
- }
- else if (mModule->mCurMethodState->mTempKind != BfMethodState::TempKind_None)
- {
- methodMatcher.mAllowNonStatic = mModule->mCurMethodState->mTempKind == BfMethodState::TempKind_NonStatic;
- methodMatcher.mAllowStatic = true;
- }
- else
- {
- if (!mModule->mCurMethodInstance->mMethodDef->mIsStatic)
- methodMatcher.mAllowNonStatic = true;
- methodMatcher.mAllowStatic = true;
- if (mModule->mCurMethodInstance->mMethodDef->mIsLocalMethod)
- {
- auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
- methodMatcher.mAllowNonStatic = !rootMethodState->mMethodInstance->mMethodDef->mIsStatic;
- }
- }
- }
- if (methodName == BF_METHODNAME_CALCAPPEND)
- methodMatcher.mMethodType = BfMethodType_CtorCalcAppend;
- BF_ASSERT(methodMatcher.mBestMethodDef == NULL);
- BfLocalMethod* matchedLocalMethod = NULL;
- if (target.mType == NULL)
- {
- CheckLocalMethods(targetSrc, curTypeInst, methodName, methodMatcher, BfMethodType_Normal);
- if (methodMatcher.mBestMethodDef == NULL)
- methodMatcher.mBestMethodDef = methodMatcher.mBackupMethodDef;
- if (methodMatcher.mBestMethodDef != NULL)
- {
- auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
- auto methodDef = methodMatcher.mBestMethodDef;
- if (mModule->mCompiler->mResolvePassData != NULL)
- {
- auto identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
- mModule->mCompiler->mResolvePassData->HandleLocalReference(identifierNode, curTypeInst->mTypeDef, rootMethodState->mMethodInstance->mMethodDef, ~methodDef->mIdx);
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(identifierNode)))
- {
- autoComplete->SetDefinitionLocation(methodDef->GetRefNode(), true);
- if (autoComplete->mDefType == NULL)
- {
- autoComplete->mDefMethod = mModule->mCurMethodState->GetRootMethodState()->mMethodInstance->mMethodDef;
- autoComplete->mDefType = curTypeDef;
- autoComplete->mReplaceLocalId = ~methodDef->mIdx;
- }
- }
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- BfAutoComplete::MethodMatchEntry methodMatchEntry;
- methodMatchEntry.mMethodDef = methodDef;
- methodMatchEntry.mTypeInstance = mModule->mCurTypeInstance;
- methodMatchEntry.mCurMethodInstance = mModule->mCurMethodInstance;
- autoComplete->mMethodMatchInfo->mInstanceList.push_back(methodMatchEntry);
- }
- }
- if ((mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
- {
- auto methodInstance = mModule->GetRawMethodInstance(methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef);
- if (methodInstance->mReturnType == NULL)
- {
- FinishDeferredEvals(argValues);
- // If we are recursive then we won't even have a completed methodInstance yet to look at
- return mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- }
- }
- }
- if (methodMatcher.mBestMethodDef == NULL)
- {
- if (lookupTypeInst == NULL)
- {
- if ((lookupType != NULL) && (lookupType->IsConcreteInterfaceType()))
- {
- auto concreteInterfaceType = (BfConcreteInterfaceType*)lookupType;
- lookupTypeInst = concreteInterfaceType->mInterface;
- }
- else if (isUnboundCall)
- {
- //auto resolvedType = mModule->ResolveGenericType(lookupType);
- }
- else if (lookupType->IsGenericParam())
- {
- auto genericParamTarget = (BfGenericParamType*)lookupType;
- auto _HandleGenericParamInstance = [&](BfGenericParamInstance* genericParamInstance)
- {
- if (genericParamInstance->mTypeConstraint != NULL)
- lookupTypeInst = genericParamInstance->mTypeConstraint->ToTypeInstance();
- else
- lookupTypeInst = mModule->mContext->mBfObjectType;
- for (BfType* ifaceInst : genericParamInstance->mInterfaceConstraints)
- {
- BfTypeInstance* typeInst = ifaceInst->ToTypeInstance();
- BF_ASSERT(typeInst != NULL);
- if (methodMatcher.CheckType(typeInst, target, false))
- methodMatcher.mSelfType = lookupType;
- }
- };
- auto genericParamInstance = mModule->GetGenericParamInstance(genericParamTarget, true);
- _HandleGenericParamInstance(genericParamInstance);
- // Check method generic constraints
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
- {
- for (int genericParamIdx = (int)mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments.size();
- genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
- {
- auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
- if (genericParam->mExternType == lookupType)
- _HandleGenericParamInstance(genericParam);
- }
- }
- }
- }
- if ((lookupTypeInst != NULL) && (!wantCtor))
- {
- methodMatcher.mBypassVirtual = bypassVirtual;
- methodMatcher.CheckType(lookupTypeInst, target, false);
- }
- if ((lookupType != NULL) && (lookupType->IsGenericParam()))
- {
- //lookupType = mModule->ResolveGenericType(lookupType);
- if (!lookupType->IsGenericParam())
- {
- target = MakeCallableTarget(targetSrc, target);
- if (target)
- {
- lookupTypeInst = lookupType->ToTypeInstance();
- }
- }
- }
- }
- bool isFailurePass = false;
- if (methodMatcher.mBestMethodDef == NULL)
- {
- isFailurePass = true;
- if (lookupTypeInst != NULL)
- methodMatcher.CheckType(lookupTypeInst, target, true);
- }
- BfTypedValue staticResult;
- //
- {
- auto devirtTarget = target;
- if ((devirtTarget.mType == NULL) && (selfType != NULL))
- devirtTarget.mType = selfType;
- methodMatcher.TryDevirtualizeCall(devirtTarget, &origTarget, &staticResult);
- }
- if (staticResult)
- return staticResult;
- bypassVirtual |= methodMatcher.mBypassVirtual;
- if (methodMatcher.mBestMethodDef != NULL)
- {
- curTypeInst = methodMatcher.mBestMethodTypeInstance;
- methodDef = methodMatcher.mBestMethodDef;
- }
- if ((methodDef) && (!methodDef->mIsStatic) && (!target) && (allowImplicitThis))
- {
- target = mModule->GetThis();
- }
- if (!methodUsingLists.IsEmpty())
- {
- auto foundList = methodUsingLists[0];
- if (methodUsingLists.mSize > 1)
- {
- BfError* error = mModule->Fail("Ambiguous 'using' method reference", targetSrc);
- if (error != NULL)
- {
- for (auto checkList : methodUsingLists)
- {
- String errorStr = "'";
- for (int entryIdx = 0; entryIdx < checkList->mSize; entryIdx++)
- {
- if (entryIdx == 0)
- errorStr += (*checkList)[entryIdx].GetFullName(mModule);
- else
- {
- errorStr += ".";
- errorStr += (*checkList)[entryIdx].GetName(mModule);
- }
- }
- errorStr += "' is a candidate";
- mModule->mCompiler->mPassInstance->MoreInfo(errorStr, (*checkList)[0].GetRefNode(mModule));
- }
- }
- }
- BfTypedValue curResult = target;
- for (int entryIdx = 0; entryIdx < foundList->mSize; entryIdx++)
- {
- if ((entryIdx == 0) && (foundList->back().IsStatic()))
- entryIdx = (int)foundList->mSize - 1;
- auto& entry = (*foundList)[entryIdx];
- if (mPropDef != NULL)
- {
- SetAndRestoreValue<BfTypedValue> prevResult(mResult, BfTypedValue());
- mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_Friend);
- curResult = GetResult();
- if (!curResult)
- break;
- }
- auto useFlags = BfLookupFieldFlag_None;
- if (entryIdx < foundList->mSize - 1)
- useFlags = (BfLookupFieldFlags)(useFlags | BfLookupFieldFlag_IsAnonymous);
- if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Field)
- {
- curResult = LoadField(targetSrc, curResult, entry.mTypeInstance, entry.mTypeInstance->mTypeDef->mFields[entry.mIdx], useFlags);
- }
- else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Property)
- {
- curResult = LoadProperty(targetSrc, curResult, entry.mTypeInstance, entry.mTypeInstance->mTypeDef->mProperties[entry.mIdx], useFlags, BfCheckedKind_NotSet, false);
- }
- else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Local)
- {
- auto localDef = mModule->mCurMethodState->mLocals[entry.mIdx];
- curResult = LoadLocal(localDef);
- }
- else if (entry.mKind == BfUsingFieldData::MemberRef::Kind_Local)
- {
- auto checkMethodDef = entry.mTypeInstance->mTypeDef->mMethods[entry.mIdx];
- BF_ASSERT(methodDef == checkMethodDef);
- break;
- }
- if ((!curResult) && (mPropDef == NULL))
- break;
- if (entryIdx == foundList->mSize - 1)
- {
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(targetSrc)))
- autoComplete->SetDefinitionLocation(entry.GetRefNode(mModule));
- if ((autoComplete != NULL) && (autoComplete->CheckFixit(targetSrc)))
- autoComplete->FixitAddFullyQualify(targetSrc, methodName, *foundList);
- }
- }
- if (methodDef->mIsStatic)
- target = BfTypedValue(curTypeInst);
- else if (curResult)
- target = curResult;
- else if ((!methodDef->mIsStatic) && (curTypeInst != NULL))
- target = mModule->GetDefaultTypedValue(curTypeInst);
- }
- // If we call "GetType" on a value type, statically determine the type rather than boxing and then dispatching
- if ((methodDef) && (target) && (curTypeInst == mModule->mContext->mBfObjectType) &&
- (methodDef->mName == "GetType") && (target.mType->IsValueType()) && (argValues.mArguments->IsEmpty()))
- {
- BfType* targetType = target.mType;
- if (origTarget)
- targetType = origTarget.mType;
- auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
- mModule->AddDependency(targetType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
- return BfTypedValue(mModule->CreateTypeDataRef(targetType), typeType);
- }
- bool skipThis = false;
- BfTypedValue fieldVal;
- bool hasFieldVal = false;
- // Fail, check for delegate field invocation
- if ((methodDef == NULL) && ((methodGenericArguments == NULL) || (methodGenericArguments->size() == 0)))
- {
- // Check for payload enum initialization first
- BfTypedValue enumResult;
- BfTypeInstance* enumType = NULL;
- if ((!target) && (target.HasType()) && (targetType->IsPayloadEnum()))
- {
- enumType = targetType->ToTypeInstance();
- }
- else if ((!target) && (!target.HasType()) && (mModule->mCurTypeInstance->IsPayloadEnum()))
- {
- enumType = mModule->mCurTypeInstance;
- }
- if (enumType != NULL)
- {
- enumResult = CheckEnumCreation(targetSrc, enumType, methodName, argValues);
- }
- if (enumResult)
- {
- if (mModule->mCompiler->mResolvePassData != NULL)
- {
- if (auto sourceClassifier = mModule->mCompiler->mResolvePassData->GetSourceClassifier(targetSrc))
- {
- sourceClassifier->SetElementType(targetSrc, BfSourceElementType_Normal);
- }
- }
- return enumResult;
- }
- if (allowImplicitThis)
- {
- auto identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
- if (identifierNode != NULL)
- fieldVal = LookupIdentifier(identifierNode);
- }
- else
- {
- SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags & ~BfEvalExprFlags_AllowEnumId));
- fieldVal = LookupField(targetSrc, target, methodName);
- }
- if (fieldVal)
- {
- hasFieldVal = true;
- wantsExtensionCheck = !fieldVal.mType->IsDelegate() && !fieldVal.mType->IsFunction();
- }
- else if (mPropDef != NULL)
- {
- hasFieldVal = true;
- BfMethodDef* matchedMethod = GetPropertyMethodDef(mPropDef, BfMethodType_PropertyGetter, mPropCheckedKind, mPropTarget);
- if (matchedMethod != NULL)
- {
- auto getMethodInstance = mModule->GetRawMethodInstance(mPropTarget.mType->ToTypeInstance(), matchedMethod);
- if ((getMethodInstance != NULL) &&
- ((getMethodInstance->mReturnType->IsDelegate()) || (getMethodInstance->mReturnType->IsFunction())))
- wantsExtensionCheck = false;
- }
- }
- }
- if ((!methodDef) && (!target.mValue))
- {
- // Check to see if we're constructing a struct via a call like: "Struct structVal = Struct()"
- int wantNumGenericArgs = 0;
- if ((methodGenericArguments != NULL) && (methodGenericArguments->size() > 0))
- wantNumGenericArgs = (int)methodGenericArguments->size();
- BfTypeInstance* resolvedTypeInstance = NULL;
- BfResolveTypeRefFlags resolveFlags = BfResolveTypeRefFlag_None;
- if (wantCtor)
- {
- resolvedTypeInstance = targetTypeInst;
- }
- else if (targetType != NULL)
- {
- if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(methodBoundExpr))
- {
- auto resolvedType = mModule->ResolveTypeRef_Ref(invocationExpr->mTarget, methodGenericArguments, BfPopulateType_Data, resolveFlags);
- if (resolvedType != NULL)
- resolvedTypeInstance = resolvedType->ToTypeInstance();
- }
- }
- else
- {
- BfIdentifierNode* identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
- if (identifierNode != NULL)
- {
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- BfType* refType;
- if (methodGenericArguments != NULL)
- {
- refType = mModule->ResolveTypeRef_Ref(identifierNode, methodGenericArguments, BfPopulateType_Data, resolveFlags);
- }
- else
- refType = mModule->ResolveTypeRef_Ref(identifierNode, NULL, BfPopulateType_Data, resolveFlags);
- prevIgnoreErrors.Restore();
- if ((refType != NULL) && (refType->IsPrimitiveType()))
- {
- for (auto& resolvedArg : argValues.mResolvedArgs)
- resolvedArg.mExpectedType = refType;
- FinishDeferredEvals(argValues);
- if (argValues.mResolvedArgs.IsEmpty())
- return mModule->GetDefaultTypedValue(refType);
- if (argValues.mResolvedArgs.size() != 1)
- {
- mModule->Fail("Cast requires one parameter", targetSrc);
- return BfTypedValue();
- }
- // This is just a primitive cast
- auto& resolvedArg = argValues.mResolvedArgs[0];
- BfTypedValue castedValue;
- BfTypedValue castTarget = resolvedArg.mTypedValue;
- if (resolvedArg.mTypedValue)
- {
- castTarget = mModule->LoadValue(castTarget);
- castedValue = mModule->Cast(targetSrc, castTarget, refType, BfCastFlags_Explicit);
- }
- if (!castedValue)
- castedValue = mModule->GetDefaultTypedValue(refType);
- return castedValue;
- }
- if (refType != NULL)
- {
- resolvedTypeInstance = refType->ToTypeInstance();
- if (refType->IsGenericParam())
- {
- CheckGenericCtor((BfGenericParamType*)refType, argValues, targetSrc);
- return mModule->GetDefaultTypedValue(refType);
- }
- }
- }
- }
- if (resolvedTypeInstance != NULL)
- {
- auto origTypeInstance = resolvedTypeInstance;
- if ((mBfEvalExprFlags & BfEvalExprFlags_AppendFieldInitializer) == 0)
- {
- if ((!resolvedTypeInstance->IsStruct()) && (!resolvedTypeInstance->IsTypedPrimitive()))
- {
- if (mModule->PreFail())
- mModule->Fail("Objects must be allocated through 'new' or 'scope'", targetSrc);
- return BfTypedValue();
- }
- }
- if (auto identifier = BfNodeDynCastExact<BfIdentifierNode>(targetSrc))
- {
- auto elementType = resolvedTypeInstance->IsEnum() ? BfSourceElementType_Type : BfSourceElementType_Struct;
- if (resolvedTypeInstance->IsObject())
- elementType = BfSourceElementType_RefType;
- mModule->SetElementType(identifier, elementType);
- }
- if (mModule->mCompiler->mResolvePassData != NULL)
- {
- if ((!BfNodeIsA<BfMemberReferenceExpression>(targetSrc)) && ((resolveFlags & BfResolveTypeRefFlag_FromIndirectSource) == 0))
- mModule->mCompiler->mResolvePassData->HandleTypeReference(targetSrc, resolvedTypeInstance->mTypeDef);
- }
- BfTypedValue structInst;
- mModule->PopulateType(resolvedTypeInstance);
- if (!resolvedTypeInstance->IsValuelessType())
- {
- if ((mReceivingValue != NULL) && (mReceivingValue->mType == resolvedTypeInstance) && (mReceivingValue->IsAddr()))
- {
- structInst = *mReceivingValue;
- mReceivingValue = NULL;
- }
- else
- {
- auto allocaInst = mModule->CreateAlloca(resolvedTypeInstance);
- structInst = BfTypedValue(allocaInst, resolvedTypeInstance, true);
- }
- mResultIsTempComposite = true;
- }
- else
- {
- structInst = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), resolvedTypeInstance, true);
- }
- bool doBind = false;
- mResultLocalVar = NULL;
- mResultFieldInstance = NULL;
- mResultLocalVarRefNode = NULL;
- BfTypedValue result = MatchConstructor(targetSrc, methodBoundExpr, structInst, resolvedTypeInstance, argValues, false, BfMethodGenericArguments(),
- resolvedTypeInstance->IsObject() ? BfAllowAppendKind_Infer : BfAllowAppendKind_No);
- if ((result) && (!result.mType->IsVoid()))
- return result;
- mModule->ValidateAllocation(resolvedTypeInstance, targetSrc);
- mModule->AddDependency(resolvedTypeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
- if (mUsedAsStatement)
- {
- mModule->Warn(0, "Struct constructor being used as a statement", targetSrc);
- }
- return structInst;
- }
- }
- // For for extensions in current type
- if (wantsExtensionCheck)
- {
- auto checkTypeInst = mModule->mCurTypeInstance;
- methodMatcher.mMethodType = BfMethodType_Extension;
- if (methodMatcher.CheckType(checkTypeInst, BfTypedValue(), false, true))
- {
- isFailurePass = false;
- curTypeInst = methodMatcher.mBestMethodTypeInstance;
- methodDef = methodMatcher.mBestMethodDef;
- }
- }
- // Look in globals. Always check for extension methods.
- if ((((methodDef == NULL) && (!target.HasType())) ||
- (wantsExtensionCheck)))
- {
- if (mModule->mContext->mCurTypeState != NULL)
- {
- BfGlobalLookup globalLookup;
- globalLookup.mKind = BfGlobalLookup::Kind_Method;
- globalLookup.mName = methodName;
- mModule->PopulateGlobalContainersList(globalLookup);
- for (auto& globalContainer : mModule->mContext->mCurTypeState->mGlobalContainers)
- {
- if (globalContainer.mTypeInst == NULL)
- continue;
- methodMatcher.mMethodType = wantsExtensionCheck ? BfMethodType_Extension : BfMethodType_Normal;
- if (methodMatcher.CheckType(globalContainer.mTypeInst, BfTypedValue(), false))
- {
- isFailurePass = false;
- curTypeInst = methodMatcher.mBestMethodTypeInstance;
- methodDef = methodMatcher.mBestMethodDef;
- }
- }
- }
- }
- // Look in static search. Always check for extension methods.
- if ((methodDef == NULL) || (wantsExtensionCheck))
- {
- BfStaticSearch* staticSearch = mModule->GetStaticSearch();
- if (staticSearch != NULL)
- {
- for (auto typeInst : staticSearch->mStaticTypes)
- {
- methodMatcher.mMethodType = wantsExtensionCheck ? BfMethodType_Extension : BfMethodType_Normal;
- if (methodMatcher.CheckType(typeInst, BfTypedValue(), false))
- {
- isFailurePass = false;
- curTypeInst = methodMatcher.mBestMethodTypeInstance;
- methodDef = methodMatcher.mBestMethodDef;
- }
- }
- }
- }
- if ((methodDef == NULL) && (hasFieldVal))
- {
- if (mPropDef != NULL)
- fieldVal = GetResult();
- if (fieldVal)
- {
- if (fieldVal.mType->IsGenericParam())
- {
- bool delegateFailed = true;
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)fieldVal.mType);
- BfTypeInstance* typeInstConstraint = NULL;
- if (genericParamInstance->mTypeConstraint != NULL)
- typeInstConstraint = genericParamInstance->mTypeConstraint->ToTypeInstance();
- if ((typeInstConstraint != NULL) &&
- ((typeInstConstraint->IsInstanceOf(mModule->mCompiler->mDelegateTypeDef)) || (typeInstConstraint->IsInstanceOf(mModule->mCompiler->mFunctionTypeDef))))
- {
- MarkResultUsed();
- if (argValues.mArguments->size() == 1)
- {
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mBfEvalExprFlags = BfEvalExprFlags_AllowParamsExpr;
- auto argExpr = (*argValues.mArguments)[0];
- if (argExpr != NULL)
- exprEvaluator.Evaluate(argExpr);
- if ((mModule->mCurMethodState != NULL) && (exprEvaluator.mResultLocalVar != NULL) && (exprEvaluator.mResultLocalVarRefNode != NULL))
- {
- auto localVar = exprEvaluator.mResultLocalVar;
- auto checkType = localVar->mResolvedType;
- if (checkType->IsParamsType())
- checkType = checkType->GetUnderlyingType();
- if ((localVar->mCompositeCount >= 0) && (checkType == fieldVal.mType))
- {
- delegateFailed = false;
- if (mModule->mCurMethodInstance->mIsUnspecialized)
- {
- auto retTypeType = mModule->CreateModifiedTypeType(fieldVal.mType, BfToken_RetType);
- return mModule->GetFakeTypedValue(retTypeType);
- }
- }
- }
- }
- if (delegateFailed)
- {
- mModule->Fail(StrFormat("Generic delegates can only be invoked with 'params %s' composite parameters", mModule->TypeToString(fieldVal.mType).c_str()), targetSrc);
- return BfTypedValue();
- }
- }
- }
- if (fieldVal.mType->IsTypeInstance())
- {
- prevBindResult.Restore();
- auto fieldTypeInst = fieldVal.mType->ToTypeInstance();
- MarkResultUsed();
- if (mFunctionBindResult != NULL)
- {
- mFunctionBindResult->mOrigTarget = BfTypedValue();
- }
- return MatchMethod(targetSrc, NULL, fieldVal, false, false, "Invoke", argValues, methodGenericArgs, checkedKind);
- }
- if (IsVar(fieldVal.mType))
- {
- FinishDeferredEvals(argValues);
- return BfTypedValue(mModule->GetDefaultValue(fieldVal.mType), fieldVal.mType);
- }
- if (fieldVal.mType->IsGenericParam())
- {
- auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)fieldVal.mType);
- BfType* typeConstraint = genericParam->mTypeConstraint;
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
- {
- for (int genericParamIdx = (int)mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments.size();
- genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
- {
- auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
- if ((genericParam->mExternType == fieldVal.mType) && (genericParam->mTypeConstraint != NULL))
- typeConstraint = genericParam->mTypeConstraint;
- }
- }
- if ((typeConstraint != NULL) &&
- ((typeConstraint->IsDelegate()) || (typeConstraint->IsFunction())))
- {
- BfMethodInstance* invokeMethodInstance = mModule->GetRawMethodInstanceAtIdx(typeConstraint->ToTypeInstance(), 0, "Invoke");
- if (invokeMethodInstance == NULL)
- {
- mModule->InternalError("Get Invoke failed", targetSrc);
- return BfTypedValue();
- }
- methodDef = invokeMethodInstance->mMethodDef;
- methodMatcher.mBestMethodInstance = invokeMethodInstance;
- methodMatcher.mBestMethodTypeInstance = invokeMethodInstance->GetOwner();
- methodMatcher.mBestMethodDef = invokeMethodInstance->mMethodDef;
- target = mModule->GetDefaultTypedValue(methodMatcher.mBestMethodTypeInstance);
- isFailurePass = false;
- isIndirectMethodCall = true;
- }
- }
- else if (fieldVal.mType->IsMethodRef())
- {
- auto functionBindResults = prevBindResult.mPrevVal;
- if (functionBindResults != NULL)
- {
- functionBindResults->mOrigTarget = fieldVal;
- }
- origTarget = fieldVal;
- auto methodRefType = (BfMethodRefType*)fieldVal.mType;
- BfMethodInstance* methodInstance = methodRefType->mMethodRef;
- methodDef = methodInstance->mMethodDef;
- if (methodDef->mIsLocalMethod)
- {
- methodMatcher.mBestMethodInstance = mModule->ReferenceExternalMethodInstance(methodInstance);
- }
- else
- {
- BfTypeVector methodGenericArguments;
- if (methodInstance->mMethodInfoEx != NULL)
- methodGenericArguments = methodInstance->mMethodInfoEx->mMethodGenericArguments;
- methodMatcher.mBestMethodInstance = mModule->GetMethodInstance(methodInstance->GetOwner(), methodInstance->mMethodDef, methodGenericArguments);
- }
- if (methodInstance->mMethodInfoEx != NULL)
- {
- methodMatcher.mBestMethodGenericArguments = methodInstance->mMethodInfoEx->mMethodGenericArguments;
- }
- methodMatcher.mBestMethodTypeInstance = methodInstance->GetOwner();
- if (methodInstance->HasThis())
- {
- bool failed = false;
- target = DoImplicitArgCapture(targetSrc, methodInstance, -1, failed, BfImplicitParamKind_General, origTarget);
- }
- else if (!methodDef->mIsStatic)
- {
- auto thisType = methodInstance->GetParamType(-1);
- BF_ASSERT(thisType->IsValuelessType());
- target = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), methodMatcher.mBestMethodTypeInstance);
- }
- else
- target = BfTypedValue(methodMatcher.mBestMethodTypeInstance);
- methodMatcher.mBypassVirtual = true;
- bypassVirtual = true;
- isFailurePass = false;
- isIndirectMethodCall = true;
- }
- if (methodDef == NULL)
- {
- mModule->Fail(StrFormat("Cannot perform invocation on type '%s'", mModule->TypeToString(fieldVal.mType).c_str()), targetSrc);
- return BfTypedValue();
- }
- }
- }
- if (methodDef == NULL)
- {
- }
- // This will flush out any new ambiguity errors from extension methods
- methodMatcher.FlushAmbiguityError();
- if (methodDef == NULL)
- {
- FinishDeferredEvals(argValues);
- auto compiler = mModule->mCompiler;
- if ((autoComplete != NULL) && (autoComplete->CheckFixit(targetSrc)))
- {
- mModule->CheckTypeRefFixit(targetSrc);
- bool wantStatic = !target.mValue;
- if ((targetType == NULL) && (allowImplicitThis))
- {
- targetType = mModule->mCurTypeInstance;
- if (mModule->mCurMethodInstance != NULL)
- wantStatic = mModule->mCurMethodInstance->mMethodDef->mIsStatic;
- }
- if (targetType != NULL)
- {
- auto typeInst = targetType->ToTypeInstance();
- if ((typeInst != NULL) && (!methodName.IsEmpty()))
- {
- BfTypeVector paramTypes;
- for (int argIdx = 0; argIdx < (int)argValues.mResolvedArgs.size(); argIdx++)
- {
- auto& resolvedArg = argValues.mResolvedArgs[argIdx];
- paramTypes.Add(resolvedArg.mTypedValue.mType);
- }
- autoComplete->FixitAddMethod(typeInst, methodName, mExpectingType, paramTypes, wantStatic);
- }
- }
- }
- if (methodName.IsEmpty())
- {
- // Would have caused a parsing error
- }
- else if ((target.mType != NULL) && (origTarget.mType != NULL))
- {
- if (mModule->PreFail())
- {
- if ((origTarget.mType->IsPointer()) && (origTarget.mType->GetUnderlyingType()->IsObjectOrInterface()))
- {
- mModule->Fail(StrFormat("Methods cannot be called on type '%s' because the type is a pointer to a reference type (ie: a double-reference).",
- mModule->TypeToString(origTarget.mType).c_str()), targetSrc);
- }
- else
- mModule->Fail(StrFormat("Method '%s' does not exist in type '%s'", methodName.c_str(), mModule->TypeToString(target.mType).c_str()), targetSrc);
- }
- }
- else
- {
- if (mModule->PreFail())
- mModule->Fail(StrFormat("Method '%s' does not exist", methodName.c_str()), targetSrc);
- }
- return BfTypedValue();
- }
- if ((prevBindResult.mPrevVal != NULL) && (methodMatcher.mMethodCheckCount > 1))
- prevBindResult.mPrevVal->mCheckedMultipleMethods = true;
- BfType* overrideReturnType = NULL;
- BfModuleMethodInstance moduleMethodInstance = GetSelectedMethod(targetSrc, curTypeInst, methodDef, methodMatcher, &overrideReturnType);
- if ((mModule->mAttributeState != NULL) && ((mModule->mAttributeState->mFlags & (BfAttributeState::Flag_StopOnError | BfAttributeState::Flag_HadError)) ==
- (BfAttributeState::Flag_StopOnError | BfAttributeState::Flag_HadError)))
- {
- FinishDeferredEvals(argValues);
- return BfTypedValue();
- }
- if ((moduleMethodInstance.mMethodInstance != NULL) && (!mModule->CheckUseMethodInstance(moduleMethodInstance.mMethodInstance, targetSrc)))
- {
- FinishDeferredEvals(argValues);
- return BfTypedValue();
- }
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized))
- {
- if (methodMatcher.mHasVarArguments)
- {
- BfType* retType = mModule->GetPrimitiveType(BfTypeCode_Var);
- if ((!methodMatcher.mHadVarConflictingReturnType) && (methodMatcher.mBestRawMethodInstance != NULL) && (!methodMatcher.mBestRawMethodInstance->mReturnType->IsUnspecializedTypeVariation()) &&
- (prevBindResult.mPrevVal == NULL))
- {
- if ((!methodMatcher.mBestRawMethodInstance->mReturnType->IsGenericParam()) ||
- (((BfGenericParamType*)methodMatcher.mBestRawMethodInstance->mReturnType)->mGenericParamKind != BfGenericParamKind_Method))
- retType = methodMatcher.mBestRawMethodInstance->mReturnType;
- }
- return mModule->GetDefaultTypedValue(retType, true, BfDefaultValueKind_Addr);
- }
- }
- if ((bypassVirtual) && (!target.mValue) && (target.mType->IsInterface()))
- {
- target = mModule->GetThis();
- }
- if (!moduleMethodInstance)
- {
- FinishDeferredEvals(argValues);
- if (mModule->IsInUnspecializedGeneric())
- return mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- return BfTypedValue();
- }
- bool isSkipCall = moduleMethodInstance.mMethodInstance->IsSkipCall(bypassVirtual);
- if ((moduleMethodInstance.mMethodInstance->IsOrInUnspecializedVariation()) && (!mModule->mBfIRBuilder->mIgnoreWrites))
- {
- // Invalid methods such as types with a HasVar tuple generic arg will be marked as mIsUnspecializedVariation and shouldn't actually be called
- FinishDeferredEvals(argValues);
- return mModule->GetDefaultTypedValue(moduleMethodInstance.mMethodInstance->mReturnType, true, BfDefaultValueKind_Addr);
- }
- if (methodDef->IsEmptyPartial())
- {
- // Ignore call
- return mModule->GetDefaultTypedValue(moduleMethodInstance.mMethodInstance->mReturnType, true, BfDefaultValueKind_Addr);
- }
- if ((moduleMethodInstance.mMethodInstance->mMethodDef->mIsStatic) && (moduleMethodInstance.mMethodInstance->GetOwner()->IsInterface()))
- {
- bool isConstrained = false;
- if (target.mType != NULL)
- isConstrained = target.mType->IsGenericParam();
- if ((target.mType == NULL) && ((mModule->mCurMethodInstance->mIsForeignMethodDef) || (mModule->mCurTypeInstance->IsInterface())))
- isConstrained = true;
- // If mIgnoreWrites is off then we skip devirtualization, so allow this
- if ((target.mType != NULL) && (!target.mType->IsInterface()) && (mModule->mBfIRBuilder->mIgnoreWrites))
- isConstrained = true;
- if (!isConstrained)
- {
- if (mModule->mCurTypeInstance->IsInterface())
- {
- if (methodDef->mBody == NULL)
- mModule->Fail(StrFormat("Interface method '%s' must provide a body to be explicitly invoked", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
- }
- else
- mModule->Fail(StrFormat("Static interface method '%s' can only be dispatched from a concrete type, consider using this interface as a generic constraint", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
- FinishDeferredEvals(argValues);
- return mModule->GetDefaultTypedValue(moduleMethodInstance.mMethodInstance->mReturnType, true, BfDefaultValueKind_Addr);
- }
- }
- // 'base' could really mean 'this' if we're in an extension
- if ((target.IsBase()) && (targetTypeInst == mModule->mCurTypeInstance))
- target.ToThis();
- else
- MakeBaseConcrete(target);
- BfType* callTargetType = curTypeInst;
- if (methodDef->mMethodType == BfMethodType_Extension)
- {
- callTargetType = moduleMethodInstance.mMethodInstance->GetParamType(0);
- if ((callTargetType->IsRef()) && (target.IsAddr()) && (!target.IsReadOnly()) && (target.mType->IsValueType()))
- {
- auto refType = (BfRefType*)callTargetType;
- target = BfTypedValue(target.mValue, mModule->CreateRefType(target.mType, refType->mRefKind));
- }
- }
- BfTypedValue callTarget;
- if (isSkipCall)
- {
- // Just a fake value so we can continue on without generating any code (boxing, conversion, etc)
- if (target)
- {
- if (((target.mType->IsComposite()) || (target.mType->IsTypedPrimitive())))
- {
- if ((moduleMethodInstance.mMethodInstance->mMethodDef->mIsMutating) &&
- ((target.IsReadOnly()) || (!target.IsAddr())))
- {
- String err = StrFormat("call mutating method '%s' on", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str());
- CheckModifyResult(target, targetSrc, err.c_str());
- }
- }
- callTarget = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), targetTypeInst);
- }
- }
- else if (targetTypeInst == callTargetType)
- {
- if ((target) && (methodDef->HasNoThisSplat()))
- {
- callTarget = mModule->MakeAddressable(target);
- }
- else
- callTarget = target;
- if ((callTarget) && (moduleMethodInstance.mMethodInstance->GetOwner()->IsInterface()))
- {
- auto wantThis = moduleMethodInstance.mMethodInstance->GetParamType(-1);
- if ((callTarget.mType != wantThis) && (wantThis->IsInterface()))
- callTarget = mModule->Cast(targetSrc, callTarget, wantThis, BfCastFlags_Explicit);
- }
- }
- else if (target)
- {
- if (methodMatcher.mFakeConcreteTarget)
- {
- BF_ASSERT(callTargetType->IsInterface());
- callTarget = mModule->GetDefaultTypedValue(mModule->CreateConcreteInterfaceType(callTargetType->ToTypeInstance()));
- }
- else if (((target.mType->IsGenericParam()) || (target.mType->IsConcreteInterfaceType())) && (callTargetType->IsInterface()))
- {
- // Leave as generic
- callTarget = target;
- }
- else
- {
- bool handled = false;
- if ((target.mType->IsTypedPrimitive()) && (callTargetType->IsTypedPrimitive()))
- {
- handled = true;
- callTarget = target;
- }
- else if ((target.mType->IsStructOrStructPtr()) || (target.mType->IsTypedPrimitive()))
- {
- //BF_ASSERT(target.IsAddr());
- if (callTargetType->IsObjectOrInterface())
- {
- // Box it
- callTarget = mModule->Cast(targetSrc, target, callTargetType, BfCastFlags_Explicit);
- handled = true;
- }
- else
- {
- //BF_ASSERT(target.IsAddr() || target.IsSplat() || target.mType->IsPointer());
- }
- }
- else
- target = mModule->LoadValue(target);
- if (!handled)
- {
- // Could we have just unconditionally done this?
- callTarget = mModule->Cast(targetSrc, target, callTargetType, BfCastFlags_Explicit);
- }
- }
- }
- if (isFailurePass)
- {
- BfError* error;
- if (methodMatcher.mMatchFailKind == BfMethodMatcher::MatchFailKind_CheckedMismatch)
- error = mModule->Fail(StrFormat("'%s' cannot be used because its 'checked' specifier does not match the requested specifier", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
- else
- error = mModule->Fail(StrFormat("'%s' is inaccessible due to its protection level", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str()), targetSrc);
- if (error != NULL)
- {
- if ((error != NULL) && (moduleMethodInstance.mMethodInstance->mMethodDef->mMethodDeclaration != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), moduleMethodInstance.mMethodInstance->mMethodDef->GetRefNode());
- }
- }
- if ((mModule->mCompiler->mResolvePassData != NULL) && (methodDef != NULL))
- {
- auto identifierNode = BfNodeDynCast<BfIdentifierNode>(targetSrc);
- while (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(identifierNode))
- identifierNode = qualifiedNameNode->mRight;
- if ((identifierNode != NULL) && (methodDef->mIdx >= 0) && (!isIndirectMethodCall) &&
- ((targetTypeInst == NULL) || (!targetTypeInst->IsDelegateOrFunction())))
- {
- auto refMethodInstance = moduleMethodInstance.mMethodInstance;
- if (refMethodInstance->mVirtualTableIdx != -1)
- {
- auto& virtualEntry = refMethodInstance->GetOwner()->mVirtualMethodTable[refMethodInstance->mVirtualTableIdx];
- refMethodInstance = virtualEntry.mDeclaringMethod;
- }
- mModule->mCompiler->mResolvePassData->HandleMethodReference(identifierNode, refMethodInstance->GetOwner()->mTypeDef, refMethodInstance->mMethodDef);
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(identifierNode)))
- {
- autoComplete->SetDefinitionLocation(methodDef->GetRefNode(), true);
- int virtualIdx = moduleMethodInstance.mMethodInstance->mVirtualTableIdx;
- if ((autoComplete->mResolveType == BfResolveType_GoToDefinition) &&
- (virtualIdx != -1) && (targetTypeInst != NULL) && (!targetTypeInst->IsStruct()) && (!targetTypeInst->IsTypedPrimitive()) && (!targetTypeInst->IsInterface()) &&
- // VirtualMethodTable can be empty if the non-autocomplete classifier hasn't completed yet. Allow failure, a PopulateType here can't force the method table to fill out
- (targetTypeInst->mVirtualMethodTable.size() != 0))
- {
- auto methodEntry = targetTypeInst->mVirtualMethodTable[virtualIdx];
- if (methodEntry.mImplementingMethod.mMethodNum != -1)
- {
- BfMethodInstance* callingMethodInstance = methodEntry.mImplementingMethod;
- if (callingMethodInstance != NULL)
- {
- auto callingMethodDef = callingMethodInstance->mMethodDef;
- auto callingMethodDeclaration = callingMethodDef->GetMethodDeclaration();
- if ((callingMethodDeclaration != NULL) && (callingMethodDeclaration->mNameNode != NULL))
- autoComplete->SetDefinitionLocation(callingMethodDeclaration->mNameNode, true);
- }
- }
- }
- if (autoComplete->mDefType == NULL)
- {
- autoComplete->mDefMethod = refMethodInstance->mMethodDef;
- autoComplete->mDefType = refMethodInstance->GetOwner()->mTypeDef;
- }
- if (autoComplete->mResolveType == BfResolveType_GetResultString)
- {
- autoComplete->mResultString = ":";
- autoComplete->mResultString += mModule->MethodToString(moduleMethodInstance.mMethodInstance);
- auto methodDecl = moduleMethodInstance.mMethodInstance->mMethodDef->GetMethodDeclaration();
- if ((methodDecl != NULL) && (methodDecl->mDocumentation != NULL))
- {
- autoComplete->mResultString += "\x03";
- methodDecl->mDocumentation->GetDocString(autoComplete->mResultString);
- }
- }
- }
- }
- }
- // This was causing forward-backward-forward steps when we just used 'targetSrc'. Using closeParen is undesirable because most of the time
- // we DO just want it to just go to the targetSrc... do we even need this?
- /*if (auto invokeExpr = BfNodeDynCast<BfInvocationExpression>(targetSrc->mParent))
- {
- // We set the srcPos to the close paren right before the call so we keep a forward progression of src positions in the case
- // where some of the params are method calls and such
- if (invokeExpr->mCloseParen != NULL)
- mModule->UpdateExprSrcPos(invokeExpr->mCloseParen);
- else
- mModule->UpdateExprSrcPos(targetSrc);
- }
- else
- mModule->UpdateExprSrcPos(targetSrc);*/
- if (!mModule->mBfIRBuilder->mIgnoreWrites)
- {
- //BF_ASSERT(!callTarget.mValue.IsFake());
- }
- prevBindResult.Restore();
- // Check mut
- if ((callTarget.mType != NULL) &&
- (callTarget.mType->IsGenericParam()) &&
- ((!callTarget.IsAddr()) || (callTarget.IsReadOnly())) &&
- (callTarget.mKind != BfTypedValueKind_MutableValue) &&
- (moduleMethodInstance.mMethodInstance->mMethodDef->mIsMutating))
- {
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)callTarget.mType);
- bool needsMut = true;
- if ((genericParamInstance->mGenericParamFlags & (BfGenericParamFlag_StructPtr | BfGenericParamFlag_Class | BfGenericParamFlag_Var)) != 0)
- needsMut = false;
- if (genericParamInstance->mTypeConstraint != NULL)
- {
- auto typeConstaintTypeInstance = genericParamInstance->mTypeConstraint->ToTypeInstance();
- if ((typeConstaintTypeInstance != NULL) && (!typeConstaintTypeInstance->IsComposite()))
- needsMut = false;
- }
- if ((mFunctionBindResult != NULL) && (mFunctionBindResult->mSkipMutCheck))
- needsMut = false;
- if (needsMut)
- {
- String err = StrFormat("call mutating method '%s' on", mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str());
- CheckModifyResult(callTarget, targetSrc, err.c_str(), true);
- }
- }
- // Check mut on interface
- if ((callTarget.mType != NULL) &&
- (callTarget.mType->IsInterface()) &&
- (target.IsThis()) &&
- (mModule->mCurTypeInstance) &&
- (!mModule->mCurMethodInstance->mMethodDef->mIsMutating) &&
- (methodDef->mIsMutating))
- {
- mModule->Fail(StrFormat("Cannot call mutating method '%s' within default interface method '%s'. Consider adding 'mut' specifier to this method.",
- mModule->MethodToString(moduleMethodInstance.mMethodInstance).c_str(), mModule->MethodToString(mModule->mCurMethodInstance).c_str()), targetSrc);
- }
- BfTypedValue result;
- BfTypedValue argCascade;
- BfCreateCallFlags subCallFlags = BfCreateCallFlags_None;
- if (bypassVirtual)
- subCallFlags = (BfCreateCallFlags)(subCallFlags | BfCreateCallFlags_BypassVirtual);
- if (skipThis)
- subCallFlags = (BfCreateCallFlags)(subCallFlags | BfCreateCallFlags_SkipThis);
- result = CreateCall(targetSrc, callTarget, origTarget, methodDef, moduleMethodInstance, subCallFlags, argValues.mResolvedArgs, &argCascade);
- if (overrideReturnType != NULL)
- {
- BF_ASSERT(moduleMethodInstance.mMethodInstance->mIsUnspecializedVariation);
- result = mModule->GetDefaultTypedValue(overrideReturnType, false, BfDefaultValueKind_Addr);
- }
- if (result)
- {
- if (result.mType->IsRef())
- result = mModule->RemoveRef(result);
- }
- PerformCallChecks(moduleMethodInstance.mMethodInstance, targetSrc);
- if (result)
- {
- bool discardedReturnValue = mUsedAsStatement;
- if (discardedReturnValue)
- {
- auto _ShowDiscardWaring = [&](const String& text, BfCustomAttributes* customAttributes, BfIRConstHolder* constHolder, BfAstNode* refNode)
- {
- if (customAttributes != NULL)
- {
- auto customAttribute = customAttributes->Get(mModule->mCompiler->mNoDiscardAttributeTypeDef);
- if (!customAttribute->mCtorArgs.IsEmpty())
- {
- String* str = mModule->GetStringPoolString(customAttribute->mCtorArgs[0], constHolder);
- if ((str != NULL) && (!str->IsEmpty()))
- {
- mModule->Warn(0, text + ": " + *str, targetSrc);
- return;
- }
- }
- }
- mModule->Warn(0, text, targetSrc);
- };
- bool showedWarning = false;
- if (moduleMethodInstance.mMethodInstance->mMethodDef->mIsNoDiscard)
- {
- _ShowDiscardWaring("Discarding return value of method with [NoDiscard] attribute", moduleMethodInstance.mMethodInstance->GetCustomAttributes(),
- moduleMethodInstance.mMethodInstance->GetOwner()->mConstHolder, targetSrc);
- showedWarning = true;
- }
- auto typeInst = result.mType->ToTypeInstance();
- if (typeInst != NULL)
- {
- if ((typeInst->mTypeDef->mIsNoDiscard) && (!showedWarning))
- {
- _ShowDiscardWaring("Discarding return value whose type has [NoDiscard] attribute", typeInst->mCustomAttributes, typeInst->mConstHolder, targetSrc);
- }
- BfModuleMethodInstance moduleMethodInstance = mModule->GetMethodByName(typeInst, "ReturnValueDiscarded", 0, true);
- if (moduleMethodInstance)
- {
- bool wasCapturingMethodMatchInfo = false;
- if (autoComplete != NULL)
- {
- wasCapturingMethodMatchInfo = autoComplete->mIsCapturingMethodMatchInfo;
- autoComplete->mIsCapturingMethodMatchInfo = false;
- }
- defer
- (
- if (autoComplete != NULL)
- autoComplete->mIsCapturingMethodMatchInfo = wasCapturingMethodMatchInfo;
- );
- auto wasGetDefinition = (autoComplete != NULL) && (autoComplete->mIsGetDefinition);
- if (wasGetDefinition)
- autoComplete->mIsGetDefinition = false;
- result = mModule->MakeAddressable(result);
- BfResolvedArgs resolvedArgs;
- MatchMethod(targetSrc, NULL, result, false, false, "ReturnValueDiscarded", resolvedArgs, BfMethodGenericArguments());
- if (wasGetDefinition)
- autoComplete->mIsGetDefinition = true;
- }
- }
- }
- }
- if (argCascade)
- {
- if (argCascade.mType->IsRef())
- argCascade = mModule->RemoveRef(argCascade);
- result = argCascade;
- }
- if (result)
- {
- if ((result.mType->IsUnspecializedTypeVariation()) && (moduleMethodInstance.mMethodInstance->GetOwner()->IsInterface()))
- {
- BfType* selfType = NULL;
- if (methodMatcher.mSelfType != NULL)
- {
- BF_ASSERT(mModule->IsInGeneric());
- selfType = methodMatcher.mSelfType;
- }
- else
- {
- // Will be an error
- selfType = methodMatcher.mBestMethodTypeInstance;
- }
- if ((selfType != NULL) && (!selfType->IsInterface()))
- {
- auto resolvedType = mModule->ResolveSelfType(result.mType, selfType);
- if ((resolvedType != NULL) && (resolvedType != result.mType))
- result = mModule->GetDefaultTypedValue(resolvedType);
- }
- }
- }
- return result;
- }
- void BfExprEvaluator::LookupQualifiedName(BfQualifiedNameNode* nameNode, bool ignoreInitialError, bool* hadError)
- {
- BfIdentifierNode* nameLeft = nameNode->mLeft;
- BfIdentifierNode* nameRight = nameNode->mRight;
- StringT<64> fieldName;
- if (nameNode->mRight != NULL)
- nameNode->mRight->ToString(fieldName);
- bool wasBaseLookup = false;
- if (auto qualifiedLeftName = BfNodeDynCast<BfQualifiedNameNode>(nameNode->mLeft))
- {
- if (CheckIsBase(qualifiedLeftName->mRight))
- {
- wasBaseLookup = true;
- auto type = mModule->ResolveTypeRef(qualifiedLeftName->mLeft, NULL);
- if (type == NULL)
- return;
- auto fieldName = nameNode->mRight->ToString();
- auto target = mModule->GetThis();
- target.mType = type;
- mResult = LookupField(nameNode->mRight, target, fieldName);
- if ((mPropDef != NULL) && (mPropDef->IsVirtual()))
- mPropDefBypassVirtual = true;
- return;
- }
- }
- if (!wasBaseLookup)
- mResult = LookupIdentifier(nameNode->mLeft, ignoreInitialError, hadError);
- GetResult();
- if (!mResult)
- {
- if (!ignoreInitialError)
- mModule->Fail("Identifier not found", nameNode->mLeft);
- return;
- }
- if (mResult.mType->IsObject())
- {
- mResult = mModule->LoadValue(mResult, 0, mIsVolatileReference);
- }
- else if ((mResult.mType->IsPointer()) && mResult.mType->IsStructOrStructPtr())
- {
- BfPointerType* structPtrType = (BfPointerType*)mResult.mType;
- mResult = mModule->LoadValue(mResult, 0, mIsVolatileReference);
- mResult.mType = structPtrType->mElementType;
- if (mResult.mKind == BfTypedValueKind_ThisValue)
- mResult.mKind = BfTypedValueKind_ThisAddr;
- else
- mResult.mKind = BfTypedValueKind_Addr;
- }
- mIsVolatileReference = false;
- mIsHeapReference = false;
- if (!mResult)
- return;
- auto origResult = mResult;
- auto lookupType = BindGenericType(nameNode, mResult.mType);
- if (IsVar(mResult.mType))
- {
- mResult = BfTypedValue(mModule->GetDefaultValue(mResult.mType), mResult.mType, true);
- return;
- }
- if ((!mResult.mType->IsTypeInstance()) && (!mResult.mType->IsGenericParam()))
- {
- if (hadError != NULL)
- *hadError = true;
- mModule->Fail(StrFormat("Type '%s' has no fields", mModule->TypeToString(mResult.mType).c_str()), nameNode->mLeft);
- mResult = BfTypedValue();
- return;
- }
- BfTypedValue lookupVal = mResult;
- mResult = LookupField(nameNode->mRight, lookupVal, fieldName);
- if ((!mResult) && (mPropDef == NULL) && (lookupType->IsGenericParam()))
- {
- auto genericParamInst = mModule->GetGenericParamInstance((BfGenericParamType*)lookupType, true);
- SizedArray<BfTypeInstance*, 8> searchConstraints;
- for (auto ifaceConstraint : genericParamInst->mInterfaceConstraints)
- {
- if (!searchConstraints.Contains(ifaceConstraint))
- {
- searchConstraints.push_back(ifaceConstraint);
- for (auto& innerIFaceEntry : ifaceConstraint->mInterfaces)
- {
- auto innerIFace = innerIFaceEntry.mInterfaceType;
- if (!searchConstraints.Contains(innerIFace))
- {
- searchConstraints.push_back(innerIFace);
- }
- }
- }
- }
- BfTypedValue prevTarget;
- BfPropertyDef* prevDef = NULL;
- for (auto ifaceConstraint : searchConstraints)
- {
- BfTypedValue lookupVal = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), ifaceConstraint);
- mResult = LookupField(nameNode->mRight, lookupVal, fieldName);
- if (mPropDef != NULL)
- {
- if (prevDef != NULL)
- {
- bool isBetter = mModule->TypeIsSubTypeOf(mPropTarget.mType->ToTypeInstance(), prevTarget.mType->ToTypeInstance());
- bool isWorse = mModule->TypeIsSubTypeOf(prevTarget.mType->ToTypeInstance(), mPropTarget.mType->ToTypeInstance());
- if ((isWorse) && (!isBetter))
- continue;
- if (isBetter == isWorse)
- {
- auto error = mModule->Fail("Ambiguous property reference", nameNode->mRight);
- if (error != NULL)
- {
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' has a candidate", mModule->TypeToString(prevTarget.mType).c_str()), prevDef->GetRefNode());
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' has a candidate", mModule->TypeToString(mPropTarget.mType).c_str()), mPropDef->GetRefNode());
- }
- }
- }
- prevDef = mPropDef;
- prevTarget = mPropTarget;
- }
- }
- /*if ((mResult) || (mPropDef != NULL))
- break;*/
- }
- if (mPropDef != NULL)
- {
- mOrigPropTarget = origResult;
- if (((CheckIsBase(nameNode->mLeft)) || (wasBaseLookup)) && (mPropDef->IsVirtual()))
- mPropDefBypassVirtual = true;
- }
- if ((mResult) || (mPropDef != NULL))
- return;
- if (hadError != NULL)
- *hadError = true;
- BfTypeInstance* typeInst = lookupType->ToTypeInstance();
- auto compiler = mModule->mCompiler;
- if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(nameNode->mRight)))
- {
- FixitAddMember(typeInst, mExpectingType, nameNode->mRight->ToString(), false);
- }
- mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", fieldName.c_str(), mModule->TypeToString(lookupType).c_str()), nameNode->mRight);
- }
- void BfExprEvaluator::LookupQualifiedName(BfAstNode* nameNode, BfIdentifierNode* nameLeft, BfIdentifierNode* nameRight, bool ignoreInitialError, bool* hadError)
- {
- String fieldName;
- if (nameRight != NULL)
- fieldName = nameRight->ToString();
- bool wasBaseLookup = false;
- if (auto qualifiedLeftName = BfNodeDynCast<BfQualifiedNameNode>(nameLeft))
- {
- if (CheckIsBase(qualifiedLeftName->mRight))
- {
- wasBaseLookup = true;
- auto type = mModule->ResolveTypeRef(qualifiedLeftName->mLeft, NULL);
- if (type == NULL)
- return;
- auto fieldName = nameRight->ToString();
- auto target = mModule->GetThis();
- target.mType = type;
- mResult = LookupField(nameRight, target, fieldName);
- if ((mPropDef != NULL) && (mPropDef->IsVirtual()))
- mPropDefBypassVirtual = true;
- return;
- }
- }
- if (!wasBaseLookup)
- {
- mResult = LookupIdentifier(nameLeft, ignoreInitialError, hadError);
- if ((mResult) && (!mResult.mType->IsComposite()))
- CheckResultForReading(mResult);
- }
- GetResult();
- if (!mResult)
- {
- if (!ignoreInitialError)
- mModule->Fail("Identifier not found", nameLeft);
- return;
- }
- if (mResult.mType->IsObject())
- {
- mResult = mModule->LoadValue(mResult, 0, mIsVolatileReference);
- }
- else if ((mResult.mType->IsPointer()) && mResult.mType->IsStructOrStructPtr())
- {
- BfPointerType* structPtrType = (BfPointerType*)mResult.mType;
- mResult = mModule->LoadValue(mResult, 0, mIsVolatileReference);
- mResult.mType = structPtrType->mElementType;
- if (mResult.mKind == BfTypedValueKind_ThisValue)
- mResult.mKind = BfTypedValueKind_ThisAddr;
- else
- mResult.mKind = BfTypedValueKind_Addr;
- }
- mIsVolatileReference = false;
- mIsHeapReference = false;
- if (!mResult)
- return;
- if (mResult.mType->IsAllocType())
- mResult.mType = mResult.mType->GetUnderlyingType();
- auto origResult = mResult;
- if (IsVar(mResult.mType))
- {
- auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
- mResult = BfTypedValue(mModule->GetDefaultValue(varType), varType, true);
- return;
- }
- if ((!mResult.mType->IsTypeInstance()) && (!mResult.mType->IsGenericParam()))
- {
- if (mResult.mType->IsSizedArray())
- {
- if (mResult.mType->IsValuelessType())
- {
- mResult.mType = mModule->GetWrappedStructType(mResult.mType);
- mResult.mValue = mModule->mBfIRBuilder->GetFakeVal();
- }
- else
- {
- mResult = mModule->MakeAddressable(mResult);
- mResult.mType = mModule->GetWrappedStructType(mResult.mType);
- mResult.mValue = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(mResult.mType->ToTypeInstance()));
- }
- }
- else if (mResult.mType->IsWrappableType())
- {
- mResult.mType = mModule->GetWrappedStructType(mResult.mType);
- }
- else
- {
- if (hadError != NULL)
- *hadError = true;
- mModule->Fail(StrFormat("Type '%s' has no fields", mModule->TypeToString(mResult.mType).c_str()), nameLeft);
- mResult = BfTypedValue();
- return;
- }
- }
- BfTypedValue lookupVal = mResult;
- auto lookupType = BindGenericType(nameNode, mResult.mType);
- if ((lookupType->IsGenericParam()) && (!mResult.mType->IsGenericParam()))
- {
- bool prevUseMixinGenerics = false;
- if (mModule->mCurMethodState->mMixinState != NULL)
- {
- prevUseMixinGenerics = mModule->mCurMethodState->mMixinState->mUseMixinGenerics;
- mModule->mCurMethodState->mMixinState->mUseMixinGenerics = true;
- }
- // Try to lookup from generic binding
- mResult = LookupField(nameRight, BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), lookupType), fieldName, BfLookupFieldFlag_BindOnly);
- if (mModule->mCurMethodState->mMixinState != NULL)
- mModule->mCurMethodState->mMixinState->mUseMixinGenerics = prevUseMixinGenerics;
- if (mPropDef != NULL)
- {
- mOrigPropTarget = lookupVal;
- return;
- }
- }
- if (mPropDef == NULL)
- mResult = LookupField(nameRight, lookupVal, fieldName, CheckIsBase(nameLeft) ? BfLookupFieldFlag_BaseLookup : BfLookupFieldFlag_None);
- if ((!mResult) && (mPropDef == NULL) && (lookupType->IsGenericParam()))
- {
- auto genericParamInst = mModule->GetGenericParamInstance((BfGenericParamType*)lookupType, true);
- SizedArray<BfTypeInstance*, 8> searchConstraints;
- for (auto ifaceConstraint : genericParamInst->mInterfaceConstraints)
- {
- if (!searchConstraints.Contains(ifaceConstraint))
- {
- searchConstraints.push_back(ifaceConstraint);
- for (auto& innerIFaceEntry : ifaceConstraint->mInterfaces)
- {
- auto innerIFace = innerIFaceEntry.mInterfaceType;
- if (!searchConstraints.Contains(innerIFace))
- {
- searchConstraints.push_back(innerIFace);
- }
- }
- }
- }
- BfTypedValue prevTarget;
- BfPropertyDef* prevDef = NULL;
- for (auto ifaceConstraint : searchConstraints)
- {
- BfTypedValue lookupVal = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), ifaceConstraint);
- mResult = LookupField(nameRight, lookupVal, fieldName);
- if (mPropDef != NULL)
- {
- if (prevDef != NULL)
- {
- bool isBetter = mModule->TypeIsSubTypeOf(mPropTarget.mType->ToTypeInstance(), prevTarget.mType->ToTypeInstance());
- bool isWorse = mModule->TypeIsSubTypeOf(prevTarget.mType->ToTypeInstance(), mPropTarget.mType->ToTypeInstance());
- if ((isWorse) && (!isBetter))
- continue;
- if (isBetter == isWorse)
- {
- auto error = mModule->Fail("Ambiguous property reference", nameRight);
- if (error != NULL)
- {
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' has a candidate", mModule->TypeToString(prevTarget.mType).c_str()), prevDef->GetRefNode());
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("'%s' has a candidate", mModule->TypeToString(mPropTarget.mType).c_str()), mPropDef->GetRefNode());
- }
- }
- }
- prevDef = mPropDef;
- prevTarget = mPropTarget;
- }
- }
- if ((mPropDef == NULL) && (genericParamInst->IsEnum()))
- {
- if ((fieldName == "Underlying") || (fieldName == "UnderlyingRef"))
- {
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- return;
- }
- }
- }
- if (mPropDef != NULL)
- {
- mOrigPropTarget = origResult;
- if ((CheckIsBase(nameLeft)) || (wasBaseLookup))
- {
- if (mPropDef->IsVirtual())
- mPropDefBypassVirtual = true;
- }
- }
- if ((mResult) || (mPropDef != NULL))
- return;
- if (hadError != NULL)
- *hadError = true;
- BfTypeInstance* typeInst = lookupType->ToTypeInstance();
- auto compiler = mModule->mCompiler;
- if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(nameRight)))
- {
- FixitAddMember(typeInst, mExpectingType, nameRight->ToString(), false);
- }
- if (((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0) && (typeInst != NULL) && (CheckForMethodName(nameRight, typeInst, fieldName)))
- return;
- mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", fieldName.c_str(), mModule->TypeToString(lookupType).c_str()), nameRight);
- }
- void BfExprEvaluator::LookupQualifiedStaticField(BfQualifiedNameNode* nameNode, bool ignoreIdentifierNotFoundError)
- {
- // Lookup left side as a type
- {
- BfType* type = NULL;
- {
- type = mModule->ResolveTypeRef(nameNode->mLeft, NULL, BfPopulateType_Data, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_AllowRef | BfResolveTypeRefFlag_IgnoreLookupError));
- mModule->CheckTypeRefFixit(nameNode->mLeft);
- }
- if (type != NULL)
- {
- BfTypedValue lookupType;
- if (type->IsWrappableType())
- lookupType = BfTypedValue(mModule->GetWrappedStructType(type));
- else
- lookupType = BfTypedValue(type);
- auto findName = nameNode->mRight->ToString();
- /*if (findName == "base")
- {
- mResult = BfTypedValue(lookupType);
- return;
- }*/
- mResult = LookupField(nameNode->mRight, lookupType, findName);
- if ((mResult) || (mPropDef != NULL))
- return;
- if (lookupType.mType != NULL)
- {
- BfTypeInstance* typeInst = lookupType.mType->ToTypeInstance();
- auto compiler = mModule->mCompiler;
- if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(nameNode->mRight)))
- {
- FixitAddMember(typeInst, mExpectingType, nameNode->mRight->ToString(), true);
- }
- }
- if ((mBfEvalExprFlags & BfEvalExprFlags_NoLookupError) == 0)
- mModule->Fail("Field not found", nameNode->mRight);
- return;
- }
- }
- String fieldName = nameNode->mRight->ToString();
- if (auto qualifiedLeftName = BfNodeDynCast<BfQualifiedNameNode>(nameNode->mLeft))
- LookupQualifiedStaticField(qualifiedLeftName, true);
- else if (auto leftName = BfNodeDynCast<BfIdentifierNode>(nameNode->mLeft))
- {
- mResult = LookupIdentifier(leftName);
- }
- GetResult();
- if (!mResult)
- {
- if (!ignoreIdentifierNotFoundError)
- mModule->Fail("Identifier not found", nameNode->mLeft);
- return;
- }
- if (mResult.mType->IsObject())
- {
- mResult = mModule->LoadValue(mResult);
- }
- else if ((mResult.mType->IsPointer()) && mResult.mType->IsStructOrStructPtr())
- {
- BfPointerType* structPtrType = (BfPointerType*) mResult.mType;
- mResult = mModule->LoadValue(mResult);
- mResult.mType = structPtrType->mElementType;
- }
- if (!mResult)
- return;
- if (!mResult.mType->IsTypeInstance())
- {
- mModule->Fail(StrFormat("Type '%s' has no fields", mModule->TypeToString(mResult.mType).c_str()), nameNode->mLeft);
- return;
- }
- auto leftResult = mResult;
- mResult = LookupField(nameNode->mRight, leftResult, fieldName);
- if ((mResult) || (mPropDef != NULL))
- return;
- mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", fieldName.c_str(), mModule->TypeToString(leftResult.mType).c_str()), nameNode->mRight);
- }
- void BfExprEvaluator::LookupQualifiedStaticField(BfAstNode* nameNode, BfIdentifierNode* nameLeft, BfIdentifierNode* nameRight, bool ignoreIdentifierNotFoundError)
- {
- // Lookup left side as a type
- {
- BfType* type = mModule->ResolveTypeRef(nameLeft, NULL, BfPopulateType_Declaration, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_IgnoreLookupError | BfResolveTypeRefFlag_AllowGlobalContainer));
- if ((type != NULL) && (type->IsVar()) && (nameLeft->Equals("var")))
- type = NULL;
- if (type != NULL)
- {
- BfTypedValue lookupType;
- if (type->IsWrappableType())
- lookupType = BfTypedValue(mModule->GetWrappedStructType(type));
- else
- lookupType = BfTypedValue(type);
- auto findName = nameRight->ToString();
- if ((lookupType.mType != NULL) && (lookupType.mType->IsGenericParam()))
- {
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)lookupType.mType);
- if (genericParamInstance->mTypeConstraint != NULL)
- {
- mResult = LookupField(nameRight, BfTypedValue(genericParamInstance->mTypeConstraint), findName);
- if ((mResult) || (mPropDef != NULL))
- {
- mOrigPropTarget = lookupType;
- return;
- }
- }
- for (auto constraint : genericParamInstance->mInterfaceConstraints)
- {
- mResult = LookupField(nameRight, BfTypedValue(constraint), findName);
- if ((mResult) || (mPropDef != NULL))
- {
- mOrigPropTarget = lookupType;
- return;
- }
- }
- }
- /*if (findName == "base")
- {
- mResult = BfTypedValue(lookupType);
- return;
- }*/
- mResult = LookupField(nameRight, lookupType, findName);
- if ((mResult) || (mPropDef != NULL))
- return;
- if (lookupType.mType != NULL)
- {
- BfTypeInstance* typeInst = lookupType.mType->ToTypeInstance();
- auto compiler = mModule->mCompiler;
- if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(nameRight)))
- {
- FixitAddMember(typeInst, mExpectingType, nameRight->ToString(), true);
- }
- }
- if ((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0)
- {
- auto typeInst = lookupType.mType->ToTypeInstance();
- if ((typeInst != NULL) && (CheckForMethodName(nameRight, typeInst, findName)))
- return;
- }
- if ((mBfEvalExprFlags & BfEvalExprFlags_NoLookupError) == 0)
- mModule->Fail("Field not found", nameRight);
- return;
- }
- }
- String fieldName = nameRight->ToString();
- if (auto qualifiedLeftName = BfNodeDynCast<BfQualifiedNameNode>(nameLeft))
- LookupQualifiedStaticField(qualifiedLeftName, qualifiedLeftName->mLeft, qualifiedLeftName->mRight, true);
- else if (auto leftName = BfNodeDynCast<BfIdentifierNode>(nameLeft))
- {
- mResult = LookupIdentifier(leftName);
- }
- GetResult();
- if (!mResult)
- {
- if (!ignoreIdentifierNotFoundError)
- mModule->Fail("Identifier not found", nameLeft);
- return;
- }
- if (mResult.mType->IsObject())
- {
- mResult = mModule->LoadValue(mResult);
- }
- else if ((mResult.mType->IsPointer()) && mResult.mType->IsStructOrStructPtr())
- {
- BfPointerType* structPtrType = (BfPointerType*)mResult.mType;
- mResult = mModule->LoadValue(mResult);
- mResult = BfTypedValue(mResult.mValue, structPtrType->mElementType, true);
- }
- if (!mResult)
- return;
- if (!mResult.mType->IsTypeInstance())
- {
- if (mResult.mType->IsSizedArray())
- {
- mResult.mType = mModule->GetWrappedStructType(mResult.mType);
- mResult.mValue = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(mResult.mType->ToTypeInstance()));
- }
- else if (mResult.mType->IsWrappableType())
- {
- mResult.mType = mModule->GetWrappedStructType(mResult.mType);
- }
- else
- {
- mModule->Fail(StrFormat("Type '%s' has no fields", mModule->TypeToString(mResult.mType).c_str()), nameLeft);
- return;
- }
- }
- auto leftResult = mResult;
- mResult = LookupField(nameRight, leftResult, fieldName);
- if ((mResult) || (mPropDef != NULL))
- return;
- mModule->CheckTypeRefFixit(nameLeft);
- mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", fieldName.c_str(), mModule->TypeToString(leftResult.mType).c_str()), nameRight);
- }
- void BfExprEvaluator::Visit(BfQualifiedNameNode* nameNode)
- {
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- {
- autoComplete->CheckMemberReference(nameNode->mLeft, nameNode->mDot, nameNode->mRight);
- }
- bool hadError = false;
- LookupQualifiedName(nameNode, nameNode->mLeft, nameNode->mRight, true, &hadError);
- if ((mResult) || (mPropDef != NULL))
- return;
- if (hadError)
- return;
- LookupQualifiedStaticField(nameNode, nameNode->mLeft, nameNode->mRight, false);
- }
- void BfExprEvaluator::Visit(BfThisExpression* thisExpr)
- {
- mResult = mModule->GetThis();
- if (!mResult)
- {
- mModule->Fail("Static methods don't have 'this'", thisExpr);
- return;
- }
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(thisExpr)))
- autoComplete->SetDefinitionLocation(mModule->mCurTypeInstance->mTypeDef->GetRefNode());
- mResultLocalVar = mModule->GetThisVariable();
- mResultFieldInstance = NULL;
- }
- void BfExprEvaluator::Visit(BfBaseExpression* baseExpr)
- {
- mResult = mModule->GetThis();
- if (!mResult)
- {
- mModule->Fail("Static methods don't have 'base'", baseExpr);
- return;
- }
- if ((mBfEvalExprFlags & BfEvalExprFlags_AllowBase) == 0)
- mModule->Fail("Use of keyword 'base' is not valid in this context", baseExpr);
- auto baseType = mModule->mCurTypeInstance->mBaseType;
- if (baseType == NULL)
- baseType = mModule->mContext->mBfObjectType;
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(baseExpr)))
- autoComplete->SetDefinitionLocation(baseType->mTypeDef->GetRefNode());
- mModule->PopulateType(baseType, BfPopulateType_Data);
- mResult = mModule->Cast(baseExpr, mResult, baseType, BfCastFlags_Explicit);
- if (mResult.IsSplat())
- mResult.mKind = BfTypedValueKind_BaseSplatHead;
- else if (mResult.IsAddr())
- mResult.mKind = BfTypedValueKind_BaseAddr;
- else if (mResult)
- mResult.mKind = BfTypedValueKind_BaseValue;
- }
- void BfExprEvaluator::Visit(BfMixinExpression* mixinExpr)
- {
- if (mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Mixin)
- {
- auto varType = mModule->GetPrimitiveType(BfTypeCode_Var);
- auto newVar = mModule->AllocFromType(varType, mModule->mCurMethodState->mCurScope);
- mResult = BfTypedValue(newVar, varType, true);
- return;
- }
- auto curMethodState = mModule->mCurMethodState;
- if (curMethodState->mMixinState == NULL)
- {
- mModule->Fail("Mixin references can only be used within mixins", mixinExpr);
- return;
- }
- int localIdx = GetMixinVariable();
- if (localIdx != -1)
- {
- auto varDecl = curMethodState->mLocals[localIdx];
- if (varDecl != NULL)
- {
- BfTypedValue localResult = LoadLocal(varDecl);
- mResult = localResult;
- mResultLocalVar = varDecl;
- mResultFieldInstance = NULL;
- mResultLocalVarRefNode = mixinExpr;
- return;
- }
- }
- if (mModule->mCurMethodInstance->mIsUnspecialized)
- {
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- return;
- }
- mModule->Fail("Mixin value cannot be inferred", mixinExpr);
- }
- void BfExprEvaluator::Visit(BfSizedArrayCreateExpression* createExpr)
- {
- auto type = mModule->ResolveTypeRef(createExpr->mTypeRef, NULL, BfPopulateType_Data, BfResolveTypeRefFlag_AllowInferredSizedArray);
- if (type == NULL)
- return;
- if (type->IsArray())
- {
- // If we have a case like 'int[] (1, 2)' then we infer the sized array size from the initializer
- auto arrayType = (BfArrayType*)type;
- if (arrayType->mDimensions == 1)
- {
- int arraySize = 0;
- if (auto arrayInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(createExpr->mInitializer))
- {
- arraySize = (int)arrayInitExpr->mValues.size();
- }
- type = mModule->CreateSizedArrayType(arrayType->GetUnderlyingType(), arraySize);
- }
- }
- if (!type->IsSizedArray())
- {
- mModule->Fail("Sized array expected", createExpr->mTypeRef);
- return;
- }
- if (type->IsUndefSizedArray())
- {
- int arraySize = 0;
- if (createExpr->mInitializer != NULL)
- arraySize = (int)createExpr->mInitializer->mValues.size();
- type = mModule->CreateSizedArrayType(type->GetUnderlyingType(), arraySize);
- }
- BfSizedArrayType* arrayType = (BfSizedArrayType*)type;
- if (createExpr->mInitializer == NULL)
- {
- mModule->AssertErrorState();
- mResult = mModule->GetDefaultTypedValue(arrayType);
- return;
- }
- InitializedSizedArray(arrayType, createExpr->mInitializer->mOpenBrace, createExpr->mInitializer->mValues, createExpr->mInitializer->mCommas, createExpr->mInitializer->mCloseBrace);
- }
- void BfExprEvaluator::Visit(BfInitializerExpression* initExpr)
- {
- uint64 unassignedFieldFlags = 0;
- if (auto typeRef = BfNodeDynCast<BfTypeReference>(initExpr->mTarget))
- {
- BfType* type = NULL;
- if (auto typeRef = BfNodeDynCast<BfDotTypeReference>(initExpr->mTarget))
- {
- type = mExpectingType;
- }
- if (type == NULL)
- type = mModule->ResolveTypeRef(typeRef);
- if (type != NULL)
- {
- if (type->IsValueType())
- {
- if ((mReceivingValue != NULL) && (mReceivingValue->mType == type) && (mReceivingValue->IsAddr()))
- {
- mResult = *mReceivingValue;
- mReceivingValue = NULL;
- }
- else
- {
- mResult = BfTypedValue(mModule->CreateAlloca(type), type, true);
- }
- auto typeInstance = type->ToTypeInstance();
- if (typeInstance != NULL)
- unassignedFieldFlags = (1 << typeInstance->mMergedFieldDataCount) - 1;
- }
- else
- {
- mModule->Fail("Initializer expressions can only be used on value types or allocated values", initExpr->mTarget);
- }
- }
- }
- else if (auto objCreateExpr = BfNodeDynCast<BfObjectCreateExpression>(initExpr->mTarget))
- {
- CreateObject(objCreateExpr, objCreateExpr->mNewNode, NULL, initExpr->mInlineTypeRef);
- }
- else
- VisitChild(initExpr->mTarget);
- if (!mResult)
- mResult = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- BfIRBlock initBlock = BfIRBlock();
- if (unassignedFieldFlags != 0)
- {
- initBlock = mModule->mBfIRBuilder->CreateBlock("initStart", true);
- mModule->mBfIRBuilder->CreateBr(initBlock);
- mModule->mBfIRBuilder->SetInsertPoint(initBlock);
- }
- BfTypedValue origInitValue = GetResult(true);
- BfTypedValue initValue = origInitValue;
- if ((initValue) && (initValue.mType->IsRef()))
- initValue = mModule->RemoveRef(initValue, false);
- bool isFirstAdd = true;
- SetAndRestoreValue<BfTypeInstance*> prevPrivateTypeInstance(mModule->mCurMethodState->mPrivateTypeInstance);
- BfScopeData newScope;
- if (initExpr->mInlineTypeRef != NULL)
- mModule->mCurMethodState->mPrivateTypeInstance = initValue.mType->ToTypeInstance();
- newScope.mAllowTargeting = false;
- newScope.mInnerIsConditional = true;
- newScope.mCloseNode = initExpr->mCloseBrace;
- mModule->mCurMethodState->AddScope(&newScope);
- mModule->NewScopeState();
- BfLocalVariable* localDef = new BfLocalVariable();
- localDef->mName = "_";
- localDef->mResolvedType = initValue.mType;
- localDef->mAssignedKind = BfLocalVarAssignKind_Unconditional;
- if (initValue.IsAddr())
- {
- localDef->mAddr = initValue.mValue;
- }
- else
- {
- localDef->mValue = initValue.mValue;
- localDef->mIsSplat = initValue.IsSplat();
- }
- if (!localDef->mResolvedType->IsVar())
- mModule->AddLocalVariableDef(localDef, true, true);
- auto autoComplete = mModule->mCompiler->GetAutoComplete();
- for (auto elementExpr : initExpr->mValues)
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0)
- {
- mModule->Fail("Comptime cannot evaluate initializer expressions", elementExpr);
- break;
- }
- bool wasValidInitKind = false;
- if (auto assignExpr = BfNodeDynCast<BfAssignmentExpression>(elementExpr))
- {
- BfTypedValue fieldResult;
- if (auto identifierNode = BfNodeDynCast<BfIdentifierNode>(assignExpr->mLeft))
- {
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(identifierNode)))
- {
- auto type = initValue.mType;
- if (type->IsPointer())
- type = type->GetUnderlyingType();
- if (auto typeInst = type->ToTypeInstance())
- {
- autoComplete->mInsertStartIdx = identifierNode->GetSrcStart();
- autoComplete->mInsertEndIdx = identifierNode->GetSrcEnd();
- autoComplete->AddTypeMembers(typeInst, false, true, identifierNode->ToString(), typeInst, false, true, false);
- }
- }
- StringT<128> findName;
- identifierNode->ToString(findName);
- mResultFieldInstance = NULL;
- fieldResult = LookupField(identifierNode, initValue, findName, BfLookupFieldFlag_IsImplicitThis);
- if ((fieldResult.mKind == BfTypedValueKind_TempAddr) || (fieldResult.mKind == BfTypedValueKind_RestrictedTempAddr))
- fieldResult.mKind = BfTypedValueKind_Addr;
- if ((mResultFieldInstance != NULL) && (mResultFieldInstance->mMergedDataIdx != -1))
- {
- int resultLocalVarField = 0;
- int resultLocalVarFieldCount = 0;
- mResultFieldInstance->GetDataRange(resultLocalVarField, resultLocalVarFieldCount);
- for (int i = 0; i < resultLocalVarFieldCount; i++)
- unassignedFieldFlags &= ~((int64)1 << (resultLocalVarField - 1 + i));
- }
- wasValidInitKind = true;
- if ((fieldResult) || (mPropDef != NULL))
- {
- if (mResultFieldInstance != NULL)
- {
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(identifierNode)))
- {
- auto fieldDef = mResultFieldInstance->GetFieldDef();
- if (fieldDef != NULL)
- autoComplete->SetDefinitionLocation(fieldDef->GetRefNode());
- }
- }
- mResult = fieldResult;
- PerformAssignment(assignExpr, true, BfTypedValue());
- mResult = BfTypedValue();
- }
- else
- {
- mModule->Fail(StrFormat("'%s' does not contain a definition for '%s'", mModule->TypeToString(initValue.mType).c_str(),
- findName.c_str()), identifierNode);
- }
- }
- else if (auto indexerExpression = BfNodeDynCast<BfIndexerExpression>(assignExpr->mLeft))
- {
- if (indexerExpression->mTarget == NULL)
- {
- if ((initValue.mType->IsValueType()) && (!initValue.IsAddr()))
- {
- initValue = mModule->MakeAddressable(initValue, true, true);
- }
- mResult = BfTypedValue();
- HandleIndexerExpression(indexerExpression, initValue);
- wasValidInitKind = true;
- if ((mPropDef) || (mResult))
- {
- PerformAssignment(assignExpr, true, BfTypedValue());
- mResult = BfTypedValue();
- }
- }
- }
- }
- else
- {
- BfBlock* block = BfNodeDynCast<BfBlock>(elementExpr);
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(elementExpr)))
- {
- if (auto identiferNode = BfNodeDynCast<BfIdentifierNode>(elementExpr))
- {
- auto type = initValue.mType;
- if (type->IsPointer())
- type = type->GetUnderlyingType();
- if (auto typeInst = type->ToTypeInstance())
- {
- String filter;
- identiferNode->ToString(filter);
- autoComplete->AddTypeMembers(typeInst, false, true, filter, typeInst, false, true, false);
- }
- }
- }
- if ((block != NULL) && (!block->IsExpression()))
- {
- mModule->VisitCodeBlock(block);
- }
- else
- {
- BfExprEvaluator exprEvaluator(mModule);
- SizedArray<BfExpression*, 2> argExprs;
- argExprs.push_back(elementExpr);
- BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
- BfResolvedArgs argValues(&sizedArgExprs);
- exprEvaluator.ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval);
- exprEvaluator.MatchMethod(elementExpr, NULL, initValue, false, false, "Add", argValues, BfMethodGenericArguments());
- }
- wasValidInitKind = true;
- }
- if (!wasValidInitKind)
- {
- mModule->Fail("Invalid initializer member declarator", initExpr);
- }
- }
- mModule->RestoreScopeState();
- if (initExpr->mValues.IsEmpty())
- {
- // When we are first typing out 'override', we
- if (initExpr->mInlineTypeRef != NULL)
- {
- if (auto defineBlock = BfNodeDynCast<BfBlock>(initExpr->mInlineTypeRef->mTypeDeclaration->mDefineNode))
- {
- if (defineBlock->mChildArr.mSize == 1)
- {
- auto lastNode = defineBlock->mChildArr[0];
- if (lastNode->Equals("override"))
- {
- auto autoComplete = mModule->mCompiler->GetAutoComplete();
- if (autoComplete != NULL)
- {
- int cursorIdx = autoComplete->GetCursorIdx(lastNode);
- if ((autoComplete->IsAutocompleteNode(lastNode, 1)) && (cursorIdx == lastNode->GetSrcEnd()))
- {
- auto typeInst = initValue.mType->ToTypeInstance();
- if (typeInst != NULL)
- {
- SetAndRestoreValue<BfTypeInstance*> prevTypeInst(mModule->mCurTypeInstance, typeInst);
- SetAndRestoreValue<BfMethodInstance*> prevMethodInst(mModule->mCurMethodInstance, NULL);
- autoComplete->AddOverrides("", true);
- autoComplete->mInsertStartIdx = lastNode->mSrcStart;
- autoComplete->mInsertEndIdx = lastNode->mSrcEnd;
- }
- }
- }
- }
- }
- }
- }
- }
- else
- {
- auto lastNode = initExpr->mValues.back();
- if (auto lastIdentifier = BfNodeDynCast<BfIdentifierNode>(lastNode))
- {
- auto autoComplete = mModule->mCompiler->GetAutoComplete();
- if (autoComplete != NULL)
- {
- autoComplete->CheckIdentifier(lastIdentifier, false, false);
- }
- }
- }
- if (unassignedFieldFlags != 0)
- {
- auto curBlock = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->mBfIRBuilder->SetInsertPointAtStart(initBlock);
- mModule->mBfIRBuilder->CreateMemSet(initValue.mValue, mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_Int8)),
- mModule->GetConstValue(initValue.mType->mSize), initValue.mType->mAlign);
- mModule->mBfIRBuilder->SetInsertPoint(curBlock);
- }
- mResult = origInitValue;
- }
- void BfExprEvaluator::Visit(BfCollectionInitializerExpression* arrayInitExpr)
- {
- mModule->Fail("Collection initializer not usable here", arrayInitExpr);
- }
- void BfExprEvaluator::Visit(BfTypeOfExpression* typeOfExpr)
- {
- auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (typeOfExpr->mTypeRef != NULL))
- {
- autoComplete->CheckTypeRef(typeOfExpr->mTypeRef, false, true);
- }
- BfType* type;
- if ((typeOfExpr->mTypeRef != NULL) && (typeOfExpr->mTypeRef->IsA<BfVarTypeReference>()))
- {
- type = mModule->GetPrimitiveType(BfTypeCode_Var);
- }
- else
- {
- type = ResolveTypeRef(typeOfExpr->mTypeRef, BfPopulateType_Identity, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_AllowGlobalsSelf | BfResolveTypeRefFlag_AllowUnboundGeneric));
- }
- if (type == NULL)
- {
- mResult = mModule->GetDefaultTypedValue(mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef));
- return;
- }
- mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
- mResult = BfTypedValue(mModule->CreateTypeDataRef(type), typeType);
- }
- bool BfExprEvaluator::LookupTypeProp(BfTypeOfExpression* typeOfExpr, BfIdentifierNode* propName)
- {
- auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
- BfType* type;
- //
- {
- // We ignore errors because we go through the normal Visit(BfTypeOfExpression) if this fails, which will throw the error again
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- if (auto genericTypeRef = BfNodeDynCast<BfGenericInstanceTypeRef>(typeOfExpr->mTypeRef))
- {
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- type = mModule->ResolveTypeRefAllowUnboundGenerics(typeOfExpr->mTypeRef, BfPopulateType_Identity);
- }
- else
- {
- type = ResolveTypeRef(typeOfExpr->mTypeRef, BfPopulateType_Identity, BfResolveTypeRefFlag_IgnoreLookupError);
- }
- }
- if (type == NULL)
- {
- mResult = mModule->GetDefaultTypedValue(mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef));
- return false;
- }
- bool success = true;
- defer(
- {
- if (success)
- mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_TypeSignature);
- });
- // We want to try to avoid triggering OnTypeInit for basic info
- mModule->PopulateType(type, BfPopulateType_Interfaces_Direct);
- auto typeInstance = type->ToTypeInstance();
- auto _BoolResult = [&](bool val)
- {
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, val ? 1 : 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- };
- auto _Int32Result = [&](int32 val)
- {
- mResult = BfTypedValue(mModule->GetConstValue32(val), mModule->GetPrimitiveType(BfTypeCode_Int32));
- };
- String memberName;
- propName->ToString(memberName);
- bool handled = true;
- if (memberName == "IsTypedPrimitive")
- _BoolResult(type->IsPrimitiveType());
- else if (memberName == "IsObject")
- _BoolResult(type->IsObject());
- else if (memberName == "IsValueType")
- _BoolResult(type->IsValueType());
- else if (memberName == "IsPrimitive")
- _BoolResult(type->IsPrimitiveType());
- else if (memberName == "IsInteger")
- _BoolResult(type->IsInteger());
- else if (memberName == "IsIntegral")
- _BoolResult(type->IsIntegral());
- else if (memberName == "IsSigned")
- _BoolResult(type->IsSigned());
- else if (memberName == "IsFloatingPoint")
- _BoolResult(type->IsFloat());
- else if (memberName == "IsPointer")
- _BoolResult(type->IsPointer());
- else if (memberName == "IsStruct")
- _BoolResult(type->IsStruct());
- else if (memberName == "IsSplattable")
- _BoolResult(type->IsSplattable());
- else if (memberName == "IsUnion")
- _BoolResult(type->IsUnion());
- else if (memberName == "IsBoxed")
- _BoolResult(type->IsBoxed());
- else if (memberName == "IsEnum")
- _BoolResult(type->IsEnum());
- else if (memberName == "IsTuple")
- _BoolResult(type->IsTuple());
- else if (memberName == "IsNullable")
- _BoolResult(type->IsNullable());
- else if (memberName == "IsGenericType")
- _BoolResult(type->IsGenericTypeInstance());
- else if (memberName == "IsGenericParam")
- _BoolResult(type->IsGenericParam());
- else if (memberName == "IsArray")
- _BoolResult(type->IsArray());
- else if (memberName == "IsSizedArray")
- _BoolResult(type->IsSizedArray());
- else if (memberName == "TypeId")
- {
- _Int32Result(type->mTypeId);
- mResult.mType = mModule->ResolveTypeDef(mModule->mCompiler->mReflectTypeIdTypeDef);
- }
- else if (memberName == "GenericParamCount")
- {
- auto genericTypeInst = type->ToGenericTypeInstance();
- _Int32Result((genericTypeInst != NULL) ? (int)genericTypeInst->mGenericTypeInfo->mTypeGenericArguments.size() : 0);
- }
- else
- {
- // We need full data
- mModule->PopulateType(type, BfPopulateType_Data);
- if (memberName == "Size")
- _Int32Result(type->mSize);
- else if (memberName == "Align")
- _Int32Result(type->mAlign);
- else if (memberName == "Stride")
- _Int32Result(type->GetStride());
- else if (memberName == "InstanceSize")
- _Int32Result((typeInstance != NULL) ? typeInstance->mInstSize : type->mSize);
- else if (memberName == "InstanceAlign")
- _Int32Result((typeInstance != NULL) ? typeInstance->mInstAlign : type->mSize);
- else if (memberName == "InstanceStride")
- _Int32Result((typeInstance != NULL) ? typeInstance->GetInstStride() : type->GetStride());
- else if (memberName == "UnderlyingType")
- {
- bool handled = false;
- auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef);
- if (type->IsGenericParam())
- {
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)type);
- if (genericParamInstance->IsEnum())
- {
- handled = true;
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(typeType)), typeType);
- }
- }
- else if (type->IsEnum())
- {
- if (type->IsDataIncomplete())
- mModule->PopulateType(type);
- auto underlyingType = type->GetUnderlyingType();
- if (underlyingType != NULL)
- {
- handled = true;
- mModule->AddDependency(underlyingType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
- mResult = BfTypedValue(mModule->CreateTypeDataRef(underlyingType), typeType);
- }
- }
- if (!handled)
- mResult = BfTypedValue(mModule->CreateTypeDataRef(mModule->GetPrimitiveType(BfTypeCode_None)), typeType);
- }
- else if (memberName == "BitSize")
- {
- auto int32Type = mModule->GetPrimitiveType(BfTypeCode_Int32);
- BfType* checkType = type;
- if (checkType->IsTypedPrimitive())
- checkType = checkType->GetUnderlyingType();
- if (checkType->IsGenericParam())
- {
- mResult = mModule->GetDefaultTypedValue(int32Type, false, Beefy::BfDefaultValueKind_Undef);
- return true;
- }
- if ((typeInstance != NULL) && (typeInstance->IsEnum()))
- {
- if (typeInstance->mTypeInfoEx != NULL)
- {
- int64 minValue = typeInstance->mTypeInfoEx->mMinValue;
- if (minValue < 0)
- minValue = ~minValue;
- int64 maxValue = typeInstance->mTypeInfoEx->mMaxValue;
- if (maxValue < 0)
- maxValue = ~maxValue;
- uint64 value = (uint64)minValue | (uint64)maxValue;
- int bitCount = 1;
- if (typeInstance->mTypeInfoEx->mMinValue < 0)
- bitCount++;
- while (value >>= 1)
- bitCount++;
- mModule->AddDependency(typeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ReadFields);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, bitCount), int32Type);
- return true;
- }
- }
- int bitSize = checkType->mSize * 8;
- if (checkType->GetTypeCode() == BfTypeCode_Boolean)
- bitSize = 1;
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, bitSize), int32Type);
- return true;
- }
- else if ((memberName == "MinValue") || (memberName == "MaxValue"))
- {
- bool isMin = memberName == "MinValue";
- bool isBitSize = memberName == "BitSize";
- BfType* checkType = type;
- if (checkType->IsTypedPrimitive())
- checkType = checkType->GetUnderlyingType();
- if (checkType->IsGenericParam())
- {
- bool foundMatch = false;
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)checkType);
- if (((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Enum) != 0) ||
- ((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsInstanceOf(mModule->mCompiler->mEnumTypeDef))))
- foundMatch = true;
- else
- {
- for (auto constraint : genericParamInstance->mInterfaceConstraints)
- {
- if (constraint->IsInstanceOf(mModule->mCompiler->mIIntegerTypeDef))
- foundMatch = true;
- }
- }
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
- {
- for (int genericParamIdx = (int)mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments.size();
- genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
- {
- genericParamInstance = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
- if (genericParamInstance->mExternType == type)
- {
- if (((genericParamInstance->mGenericParamFlags & BfGenericParamFlag_Enum) != 0) ||
- ((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsInstanceOf(mModule->mCompiler->mEnumTypeDef))))
- foundMatch = true;
- }
- }
- }
- if (foundMatch)
- {
- mResult = mModule->GetDefaultTypedValue(type, false, Beefy::BfDefaultValueKind_Undef);
- return true;
- }
- }
- if (checkType->IsPrimitiveType())
- {
- auto primType = (BfPrimitiveType*)checkType;
- if ((typeInstance != NULL) && (typeInstance->IsEnum()))
- {
- if (typeInstance->mTypeInfoEx != NULL)
- {
- mModule->AddDependency(typeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ReadFields);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)typeInstance->mTypeInfoEx->mMinValue : (uint64)typeInstance->mTypeInfoEx->mMaxValue), typeInstance);
- return true;
- }
- }
- else
- {
- switch (primType->mTypeDef->mTypeCode)
- {
- case BfTypeCode_Int8:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? -0x80 : 0x7F), primType);
- return true;
- case BfTypeCode_Int16:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? -0x8000 : 0x7FFF), primType);
- return true;
- case BfTypeCode_Int32:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)-0x80000000LL : 0x7FFFFFFF), primType);
- return true;
- case BfTypeCode_Int64:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)-0x8000000000000000LL : (uint64)0x7FFFFFFFFFFFFFFFLL), primType);
- return true;
- case BfTypeCode_UInt8:
- case BfTypeCode_Char8:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : 0xFF), primType);
- return true;
- case BfTypeCode_UInt16:
- case BfTypeCode_Char16:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : 0xFFFF), primType);
- return true;
- case BfTypeCode_UInt32:
- case BfTypeCode_Char32:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : (uint64)0xFFFFFFFFLL), primType);
- return true;
- case BfTypeCode_UInt64:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : (uint64)0xFFFFFFFFFFFFFFFFLL), primType);
- return true;
- case BfTypeCode_IntPtr:
- if (mModule->mSystem->mPtrSize == 8)
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)-0x8000000000000000LL : (uint64)0x7FFFFFFFFFFFFFFFLL), primType);
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? (uint64)-0x80000000LL : 0x7FFFFFFF), primType);
- return true;
- case BfTypeCode_UIntPtr:
- if (mModule->mSystem->mPtrSize == 8)
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : (uint64)0xFFFFFFFFFFFFFFFFLL), primType);
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, isMin ? 0 : (uint64)0xFFFFFFFFLL), primType);
- return true;
- default: break;
- }
- }
- }
- if (type->IsEnum())
- {
- mModule->Fail(StrFormat("'MinValue' cannot be used on enum with payload '%s'", mModule->TypeToString(type).c_str()), propName);
- }
- else
- {
- mModule->Fail(StrFormat("'%s' cannot be used on type '%s'", memberName.c_str(), mModule->TypeToString(type).c_str()), propName);
- }
- }
- else
- {
- success = false;
- return false;
- }
- }
- if ((type->IsGenericParam()) && (!mModule->mIsComptimeModule))
- {
- if (mResult.mType != NULL)
- mResult = mModule->GetDefaultTypedValue(mResult.mType, false, Beefy::BfDefaultValueKind_Undef);
- }
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (typeOfExpr->mTypeRef != NULL))
- {
- autoComplete->CheckTypeRef(typeOfExpr->mTypeRef, false, true);
- }
- return true;
- }
- void BfExprEvaluator::DoTypeIntAttr(BfTypeReference* typeRef, BfTokenNode* commaToken, BfIdentifierNode* memberName, BfToken token)
- {
- auto autoComplete = GetAutoComplete();
- auto type = mModule->ResolveTypeRef(typeRef, BfPopulateType_Data, BfResolveTypeRefFlag_AutoComplete);
- if (type == NULL)
- return;
- mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage); // Local usage ensures it changes when the type data changes
- auto typeInst = type->ToTypeInstance();
- if ((typeInst != NULL) && (typeInst->mTypeDef->mIsOpaque))
- {
- mModule->Fail(StrFormat("Unable to determine attributes for opaque type '%s'", mModule->TypeToString(type).c_str()), typeRef);
- }
- BfType* sizeType = mModule->GetPrimitiveType(BfTypeCode_Int32);
- int attrVal = 0;
- switch (token)
- {
- case BfToken_SizeOf: attrVal = type->mSize; break;
- case BfToken_AlignOf: attrVal = type->mAlign; break;
- case BfToken_StrideOf: attrVal = type->GetStride(); break;
- default: break;
- }
- if (token == BfToken_OffsetOf)
- {
- bool found = false;
- String findName;
- if (memberName != NULL)
- findName = memberName->ToString();
- BfAstNode* refNode = typeRef;
- if (memberName != NULL)
- refNode = memberName;
- auto checkTypeInst = typeInst;
- while (checkTypeInst != NULL)
- {
- checkTypeInst->mTypeDef->PopulateMemberSets();
- String filter;
- if ((autoComplete != NULL) && (autoComplete->InitAutocomplete(commaToken, memberName, filter)))
- {
- auto activeTypeDef = mModule->GetActiveTypeDef();
- mModule->PopulateType(checkTypeInst);
- BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
- for (auto fieldDef : checkTypeInst->mTypeDef->mFields)
- {
- if (fieldDef->mIsStatic)
- continue;
- if (!mModule->CheckProtection(protectionCheckFlags, typeInst, fieldDef->mDeclaringType->mProject, fieldDef->mProtection, typeInst))
- continue;
- if ((!typeInst->IsTypeMemberIncluded(fieldDef->mDeclaringType, activeTypeDef, mModule)) ||
- (!typeInst->IsTypeMemberAccessible(fieldDef->mDeclaringType, activeTypeDef)))
- continue;
- auto& fieldInst = checkTypeInst->mFieldInstances[fieldDef->mIdx];
- autoComplete->AddField(checkTypeInst, fieldDef, &fieldInst, filter);
- }
- }
- BfMemberSetEntry* memberSetEntry = NULL;
- if (checkTypeInst->mTypeDef->mFieldSet.TryGetWith(findName, &memberSetEntry))
- {
- auto fieldDef = (BfFieldDef*)memberSetEntry->mMemberDef;
- if (fieldDef != NULL)
- {
- if (fieldDef->mIsStatic)
- mModule->Fail(StrFormat("Cannot generate an offset from static field '%s.%s'", mModule->TypeToString(type).c_str(), fieldDef->mName.c_str()), refNode);
- mModule->PopulateType(checkTypeInst);
- auto& fieldInst = checkTypeInst->mFieldInstances[fieldDef->mIdx];
- attrVal = fieldInst.mDataOffset;
- found = true;
- break;
- }
- }
- checkTypeInst = checkTypeInst->mBaseType;
- }
- if (!found)
- {
- mModule->Fail(StrFormat("Unable to locate field '%s.%s'", mModule->TypeToString(type).c_str(), findName.c_str()), refNode);
- }
- }
- bool isUndefVal = false;
- if (type->IsGenericParam())
- isUndefVal = true;
- if (type->IsSizedArray())
- {
- auto sizedArray = (BfSizedArrayType*)type;
- if (sizedArray->mElementCount == -1)
- isUndefVal = true;
- }
- if (isUndefVal)
- {
- // We do this so we know it's a constant but we can't assume anything about its value
- // We make the value an Int32 which doesn't match the IntPtr type, but it allows us to
- // assume it can be implicitly cased to int32
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->MapType(sizeType)), sizeType);
- }
- else
- mResult = BfTypedValue(mModule->GetConstValue(attrVal, sizeType), sizeType);
- }
- void BfExprEvaluator::Visit(BfSizeOfExpression* sizeOfExpr)
- {
- DoTypeIntAttr(sizeOfExpr->mTypeRef, NULL, NULL, BfToken_SizeOf);
- }
- void BfExprEvaluator::Visit(BfAlignOfExpression* alignOfExpr)
- {
- DoTypeIntAttr(alignOfExpr->mTypeRef, NULL, NULL, BfToken_AlignOf);
- }
- void BfExprEvaluator::Visit(BfStrideOfExpression* strideOfExpr)
- {
- DoTypeIntAttr(strideOfExpr->mTypeRef, NULL, NULL, BfToken_StrideOf);
- }
- void BfExprEvaluator::Visit(BfOffsetOfExpression* offsetOfExpr)
- {
- DoTypeIntAttr(offsetOfExpr->mTypeRef, offsetOfExpr->mCommaToken, offsetOfExpr->mMemberName, BfToken_OffsetOf);
- }
- void BfExprEvaluator::Visit(BfNameOfExpression* nameOfExpr)
- {
- String name;
- if (mModule->IsInSpecializedGeneric())
- {
- if (auto identifierNode = BfNodeDynCastExact<BfIdentifierNode>(nameOfExpr->mTarget))
- {
- // This is necessary so we don't resolve 'T' to the actual generic argument type
- name = identifierNode->ToString();
- }
- }
- if (name.IsEmpty())
- {
- auto type = mModule->ResolveTypeRef(nameOfExpr->mTarget, {}, BfPopulateType_IdentityNoRemapAlias,
- (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_AllowUnboundGeneric | BfResolveTypeRefFlag_IgnoreLookupError | BfResolveTypeRefFlag_IgnoreProtection));
- if (type != NULL)
- {
- auto typeInst = type->ToTypeInstance();
- if (typeInst != NULL)
- name = typeInst->mTypeDef->mName->ToString();
- else
- name = mModule->TypeToString(type);
- mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_NameReference);
- // Just do this for autocomplete
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- VisitChild(nameOfExpr->mTarget);
- }
- }
- if (name.IsEmpty())
- {
- if (auto identifer = BfNodeDynCast<BfIdentifierNode>(nameOfExpr->mTarget))
- {
- String targetStr = nameOfExpr->mTarget->ToString();
- BfAtomComposite targetComposite;
- bool isValid = mModule->mSystem->ParseAtomComposite(targetStr, targetComposite);
- bool namespaceExists = false;
- BfProject* bfProject = NULL;
- auto activeTypeDef = mModule->GetActiveTypeDef();
- if (activeTypeDef != NULL)
- bfProject = activeTypeDef->mProject;
- auto _CheckProject = [&](BfProject* project)
- {
- if ((isValid) && (project->mNamespaces.ContainsKey(targetComposite)))
- namespaceExists = true;
- };
- if (bfProject != NULL)
- {
- for (int depIdx = -1; depIdx < (int)bfProject->mDependencies.size(); depIdx++)
- {
- BfProject* depProject = (depIdx == -1) ? bfProject : bfProject->mDependencies[depIdx];
- _CheckProject(depProject);
- }
- }
- else
- {
- for (auto project : mModule->mSystem->mProjects)
- _CheckProject(project);
- }
- if (namespaceExists)
- {
- if (mModule->mCompiler->mResolvePassData != NULL)
- {
- if (auto sourceClassifier = mModule->mCompiler->mResolvePassData->GetSourceClassifier(nameOfExpr->mTarget))
- {
- BfAstNode* checkIdentifier = identifer;
- while (true)
- {
- auto qualifiedIdentifier = BfNodeDynCast<BfQualifiedNameNode>(checkIdentifier);
- if (qualifiedIdentifier == NULL)
- break;
- sourceClassifier->SetElementType(qualifiedIdentifier->mRight, BfSourceElementType_Namespace);
- checkIdentifier = qualifiedIdentifier->mLeft;
- }
- sourceClassifier->SetElementType(checkIdentifier, BfSourceElementType_Namespace);
- }
- }
- name = targetComposite.mParts[targetComposite.mSize - 1]->ToString();
- }
- }
- }
- if (name.IsEmpty())
- {
- SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NameOf));
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mBfIRBuilder->mIgnoreWrites, true);
- VisitChild(nameOfExpr->mTarget);
- if ((mBfEvalExprFlags & BfEvalExprFlags_NameOfSuccess) != 0)
- {
- BfAstNode* nameNode = nameOfExpr->mTarget;
- if (auto attributedIdentifierNode = BfNodeDynCast<BfAttributedIdentifierNode>(nameNode))
- nameNode = attributedIdentifierNode->mIdentifier;
- if (auto memberReferenceExpr = BfNodeDynCast<BfMemberReferenceExpression>(nameNode))
- nameNode = memberReferenceExpr->mMemberName;
- if (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(nameNode))
- nameNode = qualifiedNameNode->mRight;
- name = nameNode->ToString();
- }
- else if (mResultFieldInstance != NULL)
- {
- auto fieldDef = mResultFieldInstance->GetFieldDef();
- if (fieldDef != NULL)
- name = fieldDef->mName;
- }
- else if (mResultLocalVar != NULL)
- {
- name = mResultLocalVar->mName;
- }
- else if (mPropDef != NULL)
- {
- name = mPropDef->mName;
- }
- }
- if ((name.IsEmpty()) && (nameOfExpr->mTarget != NULL))
- mModule->Fail("Expression does not have a name", nameOfExpr->mTarget);
- mResult = BfTypedValue(mModule->GetStringObjectValue(name), mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- }
- void BfExprEvaluator::Visit(BfIsConstExpression* isConstExpr)
- {
- if (isConstExpr->mExpression == NULL)
- {
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- return;
- }
- BfMethodState methodState;
- SetAndRestoreValue<BfMethodState*> prevMethodState(mModule->mCurMethodState, &methodState, false);
- if (mModule->mCurMethodState == NULL)
- prevMethodState.Set();
- methodState.mTempKind = BfMethodState::TempKind_NonStatic;
- SetAndRestoreValue<bool> ignoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- SetAndRestoreValue<bool> allowUninitReads(mModule->mCurMethodState->mAllowUinitReads, true);
- BfEvalExprFlags exprFlags = BfEvalExprFlags_None;
- auto result = mModule->CreateValueFromExpression(isConstExpr->mExpression, NULL, BfEvalExprFlags_DeclType);
- bool isConst = mModule->mBfIRBuilder->IsConstValue(result.mValue);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, isConst ? 1 : 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- }
- void BfExprEvaluator::Visit(BfDefaultExpression* defaultExpr)
- {
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- autoComplete->CheckTypeRef(defaultExpr->mTypeRef, false, true);
- BfType* type = NULL;
- if (defaultExpr->mOpenParen == NULL)
- {
- if (mExpectingType)
- {
- type = mExpectingType;
- }
- else
- {
- mModule->Fail("Type cannot be inferred, consider adding explicit type name", defaultExpr);
- return;
- }
- }
- else
- type = mModule->ResolveTypeRef(defaultExpr->mTypeRef);
- if (type == NULL)
- return;
- BfDefaultValueKind defaultKind = BfDefaultValueKind_Const;
- if (type->IsRef())
- {
- mModule->Fail(StrFormat("There is no default value for type '%s'", mModule->TypeToString(type).c_str()), defaultExpr);
- defaultKind = BfDefaultValueKind_Addr;
- }
- mModule->ValidateAllocation(type, defaultExpr->mTypeRef);
- mModule->AddDependency(type, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
- mResult = mModule->GetDefaultTypedValue(type, true, defaultKind);
- }
- void BfExprEvaluator::Visit(BfUninitializedExpression* uninitialziedExpr)
- {
- mModule->Fail("Invalid use of the '?' uninitialized specifier", uninitialziedExpr);
- }
- void BfExprEvaluator::Visit(BfCheckTypeExpression* checkTypeExpr)
- {
- auto targetValue = mModule->CreateValueFromExpression(checkTypeExpr->mTarget, NULL, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- if (!targetValue)
- return;
- if (checkTypeExpr->mTypeRef == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- autoComplete->CheckTypeRef(checkTypeExpr->mTypeRef, false, true);
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- if (checkTypeExpr->mTypeRef->IsA<BfVarTypeReference>())
- {
- bool isVar = false;
- if ((targetValue.mType != NULL) && (targetValue.mType->IsVar()))
- {
- auto irb = mModule->mBfIRBuilder;
- BfIRValue boolResult = mModule->CreateAlloca(boolType);
- irb->CreateAlignedStore(irb->CreateConst(BfTypeCode_Boolean, 1), boolResult, 1);
- mResult = BfTypedValue(irb->CreateAlignedLoad(boolResult, 1), boolType);
- }
- else
- mResult = BfTypedValue(mModule->GetConstValue(0, boolType), boolType);
- return;
- }
- auto targetType = mModule->ResolveTypeRef(checkTypeExpr->mTypeRef, BfPopulateType_Declaration);
- if (!targetType)
- {
- mModule->AssertErrorState();
- return;
- }
- mModule->AddDependency(targetType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
- if (targetValue.mType->IsVar())
- {
- mResult = mModule->GetDefaultTypedValue(boolType, false, BfDefaultValueKind_Undef);
- return;
- }
- if (targetValue.mType->IsValueTypeOrValueTypePtr())
- {
- auto typeInstance = targetValue.mType->ToTypeInstance();
- if (targetValue.mType->IsWrappableType())
- typeInstance = mModule->GetWrappedStructType(targetValue.mType);
- bool matches = (targetValue.mType == targetType) || (mModule->mContext->mBfObjectType == targetType);
- if (!matches)
- matches = mModule->TypeIsSubTypeOf(typeInstance, targetType->ToTypeInstance());
- if (!typeInstance->IsGenericParam())
- {
- if (matches)
- mModule->Warn(0, "The result of this operation is always 'true'", checkTypeExpr->mIsToken);
- else
- mModule->Warn(0, "The result of this operation is always 'false'", checkTypeExpr->mIsToken);
- }
- mResult = BfTypedValue(mModule->GetConstValue(matches ? 1 : 0, boolType), boolType);
- return;
- }
- if (targetType->IsValueType())
- {
- if ((targetValue.mType != mModule->mContext->mBfObjectType) && (!targetValue.mType->IsInterface()))
- {
- mResult = BfTypedValue(mModule->GetConstValue(0, boolType), boolType);
- return;
- }
- }
- int wantTypeId = 0;
- if (!targetType->IsGenericParam())
- wantTypeId = targetType->mTypeId;
- auto objectType = mModule->mContext->mBfObjectType;
- mModule->PopulateType(objectType, BfPopulateType_Full);
- targetValue = mModule->LoadValue(targetValue);
- BfTypeInstance* srcTypeInstance = targetValue.mType->ToTypeInstance();
- BfTypeInstance* targetTypeInstance = targetType->ToTypeInstance();
- bool wasGenericParamType = false;
- if ((srcTypeInstance != NULL) && (targetTypeInstance != NULL))
- {
- if (mModule->TypeIsSubTypeOf(srcTypeInstance, targetTypeInstance))
- {
- // We don't give this warning when we have wasGenericParmType set because that indicates we had a generic type constraint,
- // and a type constraint infers that the ACTUAL type used will be equal to or derived from that type and therefore
- // it may be a "necessary cast" indeed
- if ((!wasGenericParamType) && (mModule->mCurMethodState->mMixinState == NULL))
- {
- if (srcTypeInstance == targetType)
- mModule->Warn(BfWarning_BF4203_UnnecessaryDynamicCast, StrFormat("Unnecessary check, the value is already type '%s'",
- mModule->TypeToString(srcTypeInstance).c_str()), checkTypeExpr->mIsToken);
- else
- mModule->Warn(BfWarning_BF4203_UnnecessaryDynamicCast, StrFormat("Unnecessary check, '%s' is a subtype of '%s'",
- mModule->TypeToString(srcTypeInstance).c_str(), mModule->TypeToString(targetType).c_str()), checkTypeExpr->mIsToken);
- }
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 1), boolType);
- return;
- }
- else if ((!targetType->IsInterface()) && (srcTypeInstance != mModule->mContext->mBfObjectType) && (!mModule->TypeIsSubTypeOf(targetTypeInstance, srcTypeInstance)))
- {
- mModule->Fail(StrFormat("Cannot convert type '%s' to '%s' via any conversion",
- mModule->TypeToString(targetValue.mType).c_str(), mModule->TypeToString(targetTypeInstance).c_str()), checkTypeExpr->mIsToken);
- }
- }
- if (mModule->mCompiler->IsAutocomplete())
- {
- mResult = mModule->GetDefaultTypedValue(boolType, false, BfDefaultValueKind_Addr);
- return;
- }
- auto irb = mModule->mBfIRBuilder;
- auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
- auto matchBB = mModule->mBfIRBuilder->CreateBlock("is.match");
- auto endBB = mModule->mBfIRBuilder->CreateBlock("is.done");
- BfIRValue boolResult = mModule->CreateAlloca(boolType);
- irb->CreateAlignedStore(irb->CreateConst(BfTypeCode_Boolean, 0), boolResult, 1);
- mModule->EmitDynamicCastCheck(targetValue, targetType, matchBB, endBB);
- mModule->AddBasicBlock(matchBB);
- irb->CreateAlignedStore(irb->CreateConst(BfTypeCode_Boolean, 1), boolResult, 1);
- irb->CreateBr(endBB);
- mModule->AddBasicBlock(endBB);
- mResult = BfTypedValue(irb->CreateAlignedLoad(boolResult, 1), boolType);
- }
- void BfExprEvaluator::Visit(BfDynamicCastExpression* dynCastExpr)
- {
- auto targetValue = mModule->CreateValueFromExpression(dynCastExpr->mTarget);
- auto targetType = mModule->ResolveTypeRefAllowUnboundGenerics(dynCastExpr->mTypeRef, BfPopulateType_Data, BfResolveTypeRefFlag_None, false);
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- {
- autoComplete->CheckTypeRef(dynCastExpr->mTypeRef, false, true);
- }
- auto origTargetType = targetType;
- if (!targetValue)
- return;
- if (!targetType)
- {
- mModule->AssertErrorState();
- return;
- }
- bool wasGenericParamType = false;
- if (targetType->IsGenericParam())
- {
- //targetType = mModule->ResolveGenericType(targetType);
- //wasGenericParamType = true;
- }
- if ((targetValue.mType->IsMethodRef()) || (targetType->IsMethodRef()))
- {
- // We can never cast a MethodRef to any class type
- mResult = mModule->GetDefaultTypedValue(targetType);
- return;
- }
- if (mModule->mContext->mResolvingVarField)
- {
- mResult = mModule->GetDefaultTypedValue(targetType);
- return;
- }
- mModule->AddDependency(targetType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_ExprTypeReference);
- if (targetType->IsGenericParam())
- {
- wasGenericParamType = true;
- BfGenericParamInstance* origGenericParam = NULL;
- int pass = 0;
- while ((targetType != NULL) && (targetType->IsGenericParam()))
- {
- auto genericParamType = (BfGenericParamType*)targetType;
- auto genericParam = mModule->GetGenericParamInstance(genericParamType);
- if (pass == 0)
- origGenericParam = genericParam;
- auto typeConstraint = genericParam->mTypeConstraint;
- if ((typeConstraint == NULL) && (genericParam->mGenericParamFlags & (BfGenericParamFlag_Class | BfGenericParamFlag_Interface)))
- typeConstraint = mModule->mContext->mBfObjectType;
- targetType = typeConstraint;
- if (++pass >= 100) // Sanity - but we should have caught circular error before
- break;
- }
- if ((targetType == NULL) || (!targetType->IsObjectOrInterface()))
- {
- mModule->Fail(StrFormat("The type parameter '%s' cannot be used with the 'as' operator because it does not have a class type constraint nor a 'class' or 'interface' constraint",
- origGenericParam->GetGenericParamDef()->mName.c_str()), dynCastExpr->mTypeRef);
- return;
- }
- }
- if (targetType->IsVar())
- {
- mResult = mModule->GetDefaultTypedValue(targetType);
- return;
- }
- if ((!targetType->IsObjectOrInterface()) && (!targetType->IsNullable()))
- {
- mModule->Fail(StrFormat("The as operator must be used with a reference type or nullable type ('%s' is a non-nullable value type)",
- mModule->TypeToString(origTargetType).c_str()), dynCastExpr->mTypeRef);
- return;
- }
- if (targetValue.mType->IsGenericParam())
- {
- auto genericParamType = (BfGenericParamType*)targetValue.mType;
- auto genericParam = mModule->GetGenericParamInstance(genericParamType);
- auto typeConstraint = genericParam->mTypeConstraint;
- if (typeConstraint == NULL)
- typeConstraint = mModule->mContext->mBfObjectType;
- if ((typeConstraint->IsDelegate()) && (typeConstraint == targetType))
- {
- // Delegate constraints may be matched by valueless method references, so this won't always match (don't warn)
- mResult = mModule->GetDefaultTypedValue(targetType);
- return;
- }
- targetValue = mModule->GetDefaultTypedValue(typeConstraint);
- }
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- auto _CheckResult = [&]()
- {
- if ((mResult) && (origTargetType->IsGenericParam()))
- mResult = mModule->GetDefaultTypedValue(origTargetType, false, BfDefaultValueKind_Undef);
- };
- if ((targetValue.mType->IsNullable()) && (targetType->IsInterface()))
- {
- mResult = mModule->Cast(dynCastExpr, targetValue, targetType, BfCastFlags_SilentFail);
- if (!mResult)
- {
- mModule->Warn(0, StrFormat("Conversion from '%s' to '%s' will always be null",
- mModule->TypeToString(targetValue.mType).c_str(), mModule->TypeToString(origTargetType).c_str()), dynCastExpr->mAsToken);
- mResult = BfTypedValue(mModule->GetDefaultValue(origTargetType), origTargetType);
- }
- _CheckResult();
- return;
- }
- if (targetValue.mType->IsVar())
- {
- mResult = mModule->GetDefaultTypedValue(targetType, false, BfDefaultValueKind_Undef);
- return;
- }
- if (targetValue.mType->IsValueTypeOrValueTypePtr())
- {
- mModule->Warn(0, StrFormat("Type '%s' is not applicable for dynamic casting",
- mModule->TypeToString(targetValue.mType).c_str()), dynCastExpr->mAsToken);
- auto typeInstance = targetValue.mType->ToTypeInstance();
- if (targetValue.mType->IsWrappableType())
- typeInstance = mModule->GetWrappedStructType(targetValue.mType);
- bool matches = (targetValue.mType == targetType) || (mModule->mContext->mBfObjectType == targetType);
- if (targetType->IsNullable())
- {
- auto elementType = targetType->GetUnderlyingType();
- if (elementType == targetValue.mType)
- {
- mModule->mBfIRBuilder->PopulateType(targetType);
- // We match nullable element
- auto allocaInst = mModule->CreateAlloca(targetType);
- auto hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 2); // has_value
- mModule->mBfIRBuilder->CreateStore(mModule->GetConstValue(1, boolType), hasValueAddr);
- hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 1); // value
- mModule->mBfIRBuilder->CreateStore(targetValue.mValue, hasValueAddr);
- mResult = BfTypedValue(allocaInst, targetType, true);
- _CheckResult();
- return;
- }
- }
- if (!matches)
- matches = mModule->TypeIsSubTypeOf(typeInstance, targetType->ToTypeInstance());
- if (matches)
- mResult = mModule->Cast(dynCastExpr, targetValue, targetType, BfCastFlags_Explicit);
- else if (targetType->IsNullable())
- {
- auto allocaInst = mModule->CreateAlloca(targetType);
- auto allocaBits = mModule->mBfIRBuilder->CreateBitCast(allocaInst, mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_NullPtr));
- mModule->mBfIRBuilder->CreateMemSet(allocaBits, mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_Int8)),
- mModule->GetConstValue(targetType->mSize), targetType->mAlign);
- mResult = BfTypedValue(allocaInst, targetType, true);
- }
- else
- mResult = BfTypedValue(mModule->GetDefaultValue(targetType), targetType);
- _CheckResult();
- return;
- }
- if (targetType->IsNullable())
- {
- if (autoComplete != NULL)
- {
- mResult = mModule->GetDefaultTypedValue(targetType);
- return;
- }
- auto elementType = targetType->GetUnderlyingType();
- auto allocaInst = mModule->CreateAlloca(targetType);
- auto hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, elementType->IsValuelessType() ? 1 : 2); // has_value
- mModule->mBfIRBuilder->CreateStore(mModule->GetConstValue(0, boolType), hasValueAddr);
- auto objectType = mModule->mContext->mBfObjectType;
- auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
- auto matchBB = mModule->mBfIRBuilder->CreateBlock("as.match");
- auto endBB = mModule->mBfIRBuilder->CreateBlock("as.end");
- mModule->EmitDynamicCastCheck(targetValue, elementType, matchBB, endBB);
- BfBoxedType* boxedType = mModule->CreateBoxedType(elementType);
- mModule->AddBasicBlock(matchBB);
- if (elementType->IsValuelessType())
- {
- auto hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 1); // has_value
- mModule->mBfIRBuilder->CreateStore(mModule->GetConstValue(1, boolType), hasValueAddr);
- }
- else
- {
- auto hasValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 2); // has_value
- mModule->mBfIRBuilder->CreateStore(mModule->GetConstValue(1, boolType), hasValueAddr);
- auto nullableValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(allocaInst, 0, 1); // value
- auto srcBoxedType = mModule->mBfIRBuilder->CreateBitCast(targetValue.mValue, mModule->mBfIRBuilder->MapType(boxedType, BfIRPopulateType_Full));
- auto boxedValueAddr = mModule->mBfIRBuilder->CreateInBoundsGEP(srcBoxedType, 0, 1); // mValue
- auto boxedValue = mModule->mBfIRBuilder->CreateLoad(boxedValueAddr);
- mModule->mBfIRBuilder->CreateStore(boxedValue, nullableValueAddr);
- }
- mModule->mBfIRBuilder->CreateBr(endBB);
- mModule->AddBasicBlock(endBB);
- mResult = BfTypedValue(allocaInst, targetType, true);
- _CheckResult();
- return;
- }
- targetValue = mModule->LoadValue(targetValue);
- if (targetType->IsValueType())
- {
- mModule->Fail("Invalid dynamic cast type", dynCastExpr->mTypeRef);
- return;
- }
- BfTypeInstance* srcTypeInstance = targetValue.mType->ToTypeInstance();
- BfTypeInstance* targetTypeInstance = targetType->ToTypeInstance();
- if (mModule->TypeIsSubTypeOf(srcTypeInstance, targetTypeInstance))
- {
- // We don't give this warning when we have wasGenericParmType set because that indicates we had a generic type constraint,
- // and a type constraint infers that the ACTUAL type used will be equal to or derived from that type and therefore
- // it may be a "necessary cast" indeed
- if ((!wasGenericParamType) && (mModule->mCurMethodState->mMixinState == NULL))
- {
- if (srcTypeInstance == targetType)
- mModule->Warn(BfWarning_BF4203_UnnecessaryDynamicCast, StrFormat("Unnecessary cast, the value is already type '%s'",
- mModule->TypeToString(srcTypeInstance).c_str()), dynCastExpr->mAsToken);
- else
- mModule->Warn(BfWarning_BF4203_UnnecessaryDynamicCast, StrFormat("Unnecessary cast, '%s' is a subtype of '%s'",
- mModule->TypeToString(srcTypeInstance).c_str(), mModule->TypeToString(targetType).c_str()), dynCastExpr->mAsToken);
- }
- auto castedValue = mModule->mBfIRBuilder->CreateBitCast(targetValue.mValue, mModule->mBfIRBuilder->MapType(targetTypeInstance));
- mResult = BfTypedValue(castedValue, targetTypeInstance);
- _CheckResult();
- return;
- }
- else if ((!targetType->IsInterface()) && (!mModule->TypeIsSubTypeOf(targetTypeInstance, srcTypeInstance)))
- {
- if (!mModule->IsInSpecializedSection())
- {
- mModule->Fail(StrFormat("Cannot convert type '%s' to '%s' via any conversion",
- mModule->TypeToString(targetValue.mType).c_str(), mModule->TypeToString(targetTypeInstance).c_str()), dynCastExpr->mAsToken);
- }
- mResult = mModule->GetDefaultTypedValue(targetType);
- return;
- }
- if (autoComplete != NULL)
- {
- mResult = mModule->GetDefaultTypedValue(targetType, false, BfDefaultValueKind_Addr);
- _CheckResult();
- return;
- }
- auto irb = mModule->mBfIRBuilder;
- auto objectType = mModule->mContext->mBfObjectType;
- mModule->PopulateType(objectType, BfPopulateType_Full);
- auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
- auto endBB = mModule->mBfIRBuilder->CreateBlock("as.end");
- auto matchBlock = irb->CreateBlock("as.match");
- BfIRValue targetVal = mModule->CreateAlloca(targetType);
- irb->CreateAlignedStore(irb->CreateConstNull(irb->MapType(targetType)), targetVal, targetType->mAlign);
- mModule->EmitDynamicCastCheck(targetValue, targetType, matchBlock, endBB);
- mModule->AddBasicBlock(matchBlock);
- BfIRValue castedCallResult = mModule->mBfIRBuilder->CreateBitCast(targetValue.mValue, mModule->mBfIRBuilder->MapType(targetType));
- irb->CreateAlignedStore(castedCallResult, targetVal, targetValue.mType->mAlign);
- irb->CreateBr(endBB);
- mModule->AddBasicBlock(endBB);
- mResult = BfTypedValue(irb->CreateAlignedLoad(targetVal, targetType->mAlign), targetType);
- _CheckResult();
- }
- void BfExprEvaluator::Visit(BfCastExpression* castExpr)
- {
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (castExpr->mTypeRef != NULL))
- {
- // 'mayBeIdentifier' because this may be a misidentified cast - it could be a parenthesized expression
- autoComplete->CheckTypeRef(castExpr->mTypeRef, true, true);
- }
- BfType* resolvedType = NULL;
- if ((BfNodeDynCastExact<BfDotTypeReference>(castExpr->mTypeRef) != NULL) && (mExpectingType != NULL))
- {
- //mModule->SetElementType(castExpr->mTypeRef, BfSourceElementType_TypeRef);
- resolvedType = mExpectingType;
- }
- else
- resolvedType = ResolveTypeRef(castExpr->mTypeRef);
- if (resolvedType != NULL)
- mModule->AddDependency(resolvedType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_LocalUsage);
- // If resolvedType is NULL then that's okay- we just leave the following expression uncasted
- if (castExpr->mExpression == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- auto exprFlags = (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_NoAutoComplete) | BfEvalExprFlags_ExplicitCast);
- mResult = mModule->CreateValueFromExpression(castExpr->mExpression, resolvedType, exprFlags);
- }
- bool BfExprEvaluator::IsExactMethodMatch(BfMethodInstance* methodA, BfMethodInstance* methodB, bool ignoreImplicitParams)
- {
- if (methodA->mReturnType != methodB->mReturnType)
- return false;
- int implicitParamCountA = methodA->GetImplicitParamCount();
- if (methodA->HasExplicitThis())
- implicitParamCountA++;
- int implicitParamCountB = methodB->GetImplicitParamCount();
- if (methodB->HasExplicitThis())
- implicitParamCountB++;
- if (methodA->GetParamCount() - implicitParamCountA != methodB->GetParamCount() - implicitParamCountB)
- return false;
- for (int i = 0; i < (int)methodA->GetParamCount() - implicitParamCountA; i++)
- {
- auto paramA = methodA->GetParamType(i + implicitParamCountA);
- auto paramB = methodB->GetParamType(i + implicitParamCountB);
- if (paramA != paramB)
- return false;
- }
- return true;
- }
- void BfExprEvaluator::ConstResolve(BfExpression* expr)
- {
- BfConstResolver constResolver(mModule);
- constResolver.Resolve(expr);
- mResult = constResolver.mResult;
- }
- BfTypeInstance* BfExprEvaluator::VerifyBaseDelegateType(BfTypeInstance* baseDelegateType)
- {
- mModule->PopulateType(baseDelegateType, BfPopulateType_DataAndMethods);
- if (baseDelegateType->mFieldInstances.size() != 2)
- {
- mModule->AssertErrorState();
- return NULL;
- }
- return baseDelegateType;
- }
- bool BfExprEvaluator::CanBindDelegate(BfDelegateBindExpression* delegateBindExpr, BfMethodInstance** boundMethod, BfType* origMethodExpectingType, BfTypeVector* methodGenericArgumentsSubstitute)
- {
- if ((mExpectingType == NULL) && (origMethodExpectingType == NULL))
- {
- return false;
- }
- bool isGenericMatch = mExpectingType == NULL;
- auto expectingType = mExpectingType;
- if (expectingType == NULL)
- expectingType = origMethodExpectingType;
- auto typeInstance = expectingType->ToTypeInstance();
- if ((typeInstance == NULL) ||
- ((!typeInstance->mTypeDef->mIsDelegate) && (!typeInstance->mTypeDef->mIsFunction)))
- return false;
- mModule->PopulateType(typeInstance, BfPopulateType_DataAndMethods);
- auto methodInstance = mModule->GetRawMethodInstanceAtIdx(typeInstance, 0, "Invoke");
- if (methodInstance == NULL)
- {
- BF_DBG_FATAL("Invoke not found");
- return false;
- }
- if (delegateBindExpr->mTarget == NULL)
- return false;
- BfAutoParentNodeEntry autoParentNodeEntry(mModule, delegateBindExpr);
- SizedArray<BfTypedValueExpression, 4> typedValueExprs;
- typedValueExprs.resize(methodInstance->GetParamCount());
- SizedArray<BfExpression*, 4> args;
- args.resize(methodInstance->GetParamCount());
- auto _FixType = [&](BfType* type)
- {
- if (!isGenericMatch)
- return type;
- auto fixedType = mModule->ResolveGenericType(type, NULL, methodGenericArgumentsSubstitute, mModule->mCurTypeInstance);
- if (fixedType != NULL)
- return fixedType;
- return (BfType*)mModule->GetPrimitiveType(BfTypeCode_Var);
- };
- auto _TypeMatches = [&](BfType* lhs, BfType* rhs)
- {
- if (lhs == rhs)
- return true;
- return lhs->IsVar();
- };
- for (int i = 0; i < (int) methodInstance->GetParamCount(); i++)
- {
- auto typedValueExpr = &typedValueExprs[i];
- typedValueExpr->mTypedValue.mValue = BfIRValue(BfIRValueFlags_Value, -1);
- typedValueExpr->mTypedValue.mType = _FixType(methodInstance->GetParamType(i));
- typedValueExpr->mRefNode = NULL;
- args[i] = typedValueExpr;
- }
- BfMethodGenericArguments methodGenericArgs;
- if (delegateBindExpr->mGenericArgs != NULL)
- methodGenericArgs.mArguments = &delegateBindExpr->mGenericArgs->mGenericArgs;
- BfFunctionBindResult bindResult;
- bindResult.mSkipMutCheck = true; // Allow operating on copies
- bindResult.mBindType = expectingType;
- mFunctionBindResult = &bindResult;
- SetAndRestoreValue<bool> ignoreError(mModule->mIgnoreErrors, true);
- DoInvocation(delegateBindExpr->mTarget, delegateBindExpr, args, methodGenericArgs);
- mFunctionBindResult = NULL;
- if (bindResult.mMethodInstance == NULL)
- return false;
- if (boundMethod != NULL)
- *boundMethod = bindResult.mMethodInstance;
- auto matchedMethod = bindResult.mMethodInstance;
- if (!_TypeMatches(_FixType(methodInstance->mReturnType), matchedMethod->mReturnType))
- return false;
- int implicitParamCountA = methodInstance->GetImplicitParamCount();
- int implicitParamCountB = matchedMethod->GetImplicitParamCount();
- if (methodInstance->GetParamCount() - implicitParamCountA != matchedMethod->GetParamCount() - implicitParamCountB)
- return false;
- for (int i = 0; i < (int)methodInstance->GetParamCount() - implicitParamCountA; i++)
- {
- auto paramA = _FixType(methodInstance->GetParamType(i + implicitParamCountA));
- auto paramB = _FixType(matchedMethod->GetParamType(i + implicitParamCountB));
- if (!_TypeMatches(paramA, paramB))
- return false;
- }
- return true;
- }
- BfTypedValue BfExprEvaluator::DoImplicitArgCapture(BfAstNode* refNode, BfIdentifierNode* identifierNode, int shadowIdx)
- {
- String findName = identifierNode->ToString();
- if (mModule->mCurMethodState != NULL)
- {
- auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
- auto checkMethodState = mModule->mCurMethodState;
- bool isMixinOuterVariablePass = false;
- int shadowSkip = shadowIdx;
- while (checkMethodState != NULL)
- {
- BP_ZONE("LookupIdentifier:DoImplicitArgCapture");
- BfTypeInstance* closureTypeInst = NULL;
- BfClosureInstanceInfo* closureInstanceInfo = NULL;
- if ((checkMethodState->mClosureState != NULL) && (checkMethodState->mClosureState->mClosureType != NULL) && (!checkMethodState->mClosureState->mCapturing))
- {
- closureTypeInst = mModule->mCurMethodState->mClosureState->mClosureType;
- }
- BfLocalVarEntry* entry;
- if (checkMethodState->mLocalVarSet.TryGetWith<StringImpl&>(findName, &entry))
- {
- auto varDecl = entry->mLocalVar;
- while (varDecl != NULL)
- {
- if (varDecl->mNameNode == identifierNode)
- {
- if (shadowSkip > 0)
- {
- shadowSkip--;
- }
- else
- {
- BfTypedValue localResult = LoadLocal(varDecl);
- if (!isMixinOuterVariablePass)
- {
- mResultLocalVar = varDecl;
- mResultFieldInstance = NULL;
- mResultLocalVarRefNode = identifierNode;
- }
- return localResult;
- }
- }
- varDecl = varDecl->mShadowedLocal;
- }
- }
- // Check for the captured locals. It's important we do it here so we get local-first precedence still
- if (closureTypeInst != NULL)
- {
- closureTypeInst->mTypeDef->PopulateMemberSets();
- BfMemberSetEntry* memberSetEntry = NULL;
- if (closureTypeInst->mTypeDef->mFieldSet.TryGetWith(findName, &memberSetEntry))
- {
- auto fieldDef = (BfFieldDef*)memberSetEntry->mMemberDef;
- while (fieldDef != NULL)
- {
- BfIdentifierNode* fieldNameNode = NULL;
- if (fieldDef->mIdx < (int)checkMethodState->mClosureState->mClosureInstanceInfo->mCaptureEntries.size())
- fieldNameNode = checkMethodState->mClosureState->mClosureInstanceInfo->mCaptureEntries[fieldDef->mIdx].mNameNode;
- if (fieldNameNode == identifierNode)
- {
- auto& field = closureTypeInst->mFieldInstances[fieldDef->mIdx];
- if (!field.mResolvedType->IsValuelessType())
- {
- if (mModule->mCurMethodState->mClosureState->mCapturing)
- {
- mModule->mCurMethodState->mClosureState->mReferencedOuterClosureMembers.Add(&field);
- return mModule->GetDefaultTypedValue(field.mResolvedType);
- }
- auto localVar = mModule->mCurMethodState->mLocals[0];
- auto thisValue = localVar->mValue;
- mModule->mBfIRBuilder->PopulateType(localVar->mResolvedType);
- BfTypedValue result = BfTypedValue(mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue, 0, field.mDataIdx), field.mResolvedType, true);
- if (field.mResolvedType->IsRef())
- {
- auto refType = (BfRefType*)field.mResolvedType;
- auto underlyingType = refType->GetUnderlyingType();
- result = BfTypedValue(mModule->mBfIRBuilder->CreateAlignedLoad(result.mValue, underlyingType->mAlign), underlyingType, true);
- }
- else if (fieldDef->mIsReadOnly)
- result = mModule->LoadValue(result);
- mResultLocalVar = localVar;
- mResultFieldInstance = &field;
- mResultLocalVarField = -(field.mMergedDataIdx + 1);
- return result;
- }
- }
- fieldDef = fieldDef->mNextWithSameName;
- }
- }
- }
- if ((checkMethodState->mClosureState != NULL) && (checkMethodState->mClosureState->mCapturing) /*&& (checkMethodState->mClosureState->mIsLocalMethod)*/)
- {
- checkMethodState = checkMethodState->mPrevMethodState;
- continue;
- }
- // Allow local mixin to see outside variables during its processing -- since we don't actually "capture" those into params
- bool isLocalMixinProcessing = false;
- if ((checkMethodState->mClosureState != NULL) && (!checkMethodState->mClosureState->mCapturing) && (closureTypeInst == NULL) &&
- (mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Mixin))
- isLocalMixinProcessing = true;
- if (!isLocalMixinProcessing)
- break;
- isMixinOuterVariablePass = true;
- checkMethodState = checkMethodState->mPrevMethodState;
- }
- }
- return BfTypedValue();
- }
- BfTypedValue BfExprEvaluator::DoImplicitArgCapture(BfAstNode* refNode, BfMethodInstance* methodInstance, int paramIdx, bool& failed, BfImplicitParamKind paramKind, const BfTypedValue& methodRefTarget)
- {
- if ((methodRefTarget) && (methodRefTarget.mValue.mId != BfIRValue::ID_IMPLICIT))
- {
- if (methodRefTarget.mType->IsMethodRef())
- {
- BfMethodRefType* methodRefType = (BfMethodRefType*)methodRefTarget.mType;
- BfMethodInstance* methodRefMethodInst = methodRefType->mMethodRef;
- BF_ASSERT(methodRefMethodInst == methodInstance);
- auto paramType = methodInstance->GetParamType(paramIdx);
- int dataIdx = methodRefType->GetDataIdxFromParamIdx(paramIdx);
- if (dataIdx == -1)
- {
- BF_ASSERT(paramType->IsValuelessType());
- return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), paramType);
- }
- if (methodRefTarget.IsSplat())
- {
- if (methodRefType->WantsDataPassedAsSplat(dataIdx))
- {
- BF_ASSERT(paramIdx == -1);
- return BfTypedValue(methodRefTarget.mValue, paramType, BfTypedValueKind_SplatHead);
- }
- else
- {
- int splatIdx = dataIdx;
- if (dataIdx > 0)
- {
- if (methodRefType->WantsDataPassedAsSplat(0))
- splatIdx += methodRefType->GetCaptureType(0)->GetSplatCount() - 1;
- }
- bool isAddr = false;
- BfIRValue value = mModule->ExtractSplatValue(methodRefTarget, splatIdx, paramType, &isAddr);
- // We moved the composite load from ExtractSplatValue to here. Hopefully this is correct.
- // in LLVM backend we get a direct 'arg' back, in Beef we get backing for a pointer to the struct (and thus need to load)
- // if ((paramType->IsComposite()) && (mModule->IsTargetingBeefBackend()))
- // value = mModule->mBfIRBuilder->CreateLoad(value);
- auto lookupVal = BfTypedValue(value, paramType, isAddr);
- if ((isAddr) && (!lookupVal.mType->IsComposite()))
- lookupVal = mModule->LoadValue(lookupVal);
- return lookupVal;
- }
- }
- if ((paramType->IsComposite()) && (methodRefTarget.IsAddr()))
- return BfTypedValue(mModule->mBfIRBuilder->CreateInBoundsGEP(methodRefTarget.mValue, 0, dataIdx), paramType, true);
- return BfTypedValue(mModule->ExtractValue(methodRefTarget, dataIdx), paramType);
- }
- }
- // 'Default' implicit arg lookup, by identifier. May match field (for lambda), or local variable
- if (paramKind == BfImplicitParamKind_General)
- {
- if (paramIdx == -1)
- {
- if (auto delegateBindExpr = BfNodeDynCast<BfDelegateBindExpression>(refNode))
- {
- BfAstNode* thisNode = NULL;
- BfTypedValue thisValue;
- if (auto memberReferenceExpr = BfNodeDynCast<BfMemberReferenceExpression>(delegateBindExpr->mTarget))
- thisNode = memberReferenceExpr->mTarget;
- else if (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(delegateBindExpr->mTarget))
- thisNode = qualifiedNameNode->mLeft;
- else if (auto identifierNode = BfNodeDynCast<BfIdentifierNode>(delegateBindExpr->mTarget))
- {
- // Implicit
- thisValue = mModule->GetThis();
- }
- if (auto thisExpr = BfNodeDynCast<BfExpression>(thisNode))
- {
- thisValue = mModule->CreateValueFromExpression(thisExpr);
- if (!thisValue)
- return BfTypedValue();
- }
- if (thisValue)
- {
- //TODO: handle 'mut', throw error if trying to capture from a non-mut, etc...
- return thisValue;
- }
- }
- }
- String captureName = methodInstance->GetParamName(paramIdx);
- BfIdentifierNode* identifierNode = methodInstance->GetParamNameNode(paramIdx);
- BfTypedValue lookupVal;
- if (identifierNode != NULL)
- {
- lookupVal = DoImplicitArgCapture(refNode, identifierNode, 0);
- }
- else
- {
- lookupVal = LookupIdentifier(NULL, captureName);
- }
- if (lookupVal)
- {
- auto paramType = methodInstance->GetParamType(paramIdx);
- if (paramType->IsRef())
- {
- auto refType = (BfRefType*)paramType;
- if (mResultLocalVar != NULL)
- {
- // When we are capturing, we need to note that we require capturing by reference here
- auto localVar = mResultLocalVar;
- localVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- }
- bool isValid = false;
- if ((refType->mRefKind == BfRefType::RefKind_Mut) && (lookupVal.mKind == BfTypedValueKind_MutableValue))
- isValid = true;
- if ((lookupVal.mType->IsRef()) || (lookupVal.IsAddr()))
- isValid = true;
- if (!isValid)
- {
- // Is there another way this can fail than to be in a lambda?
- auto error = mModule->Fail(StrFormat("Method '%s' requires that '%s' be captured by reference. Consider adding by-reference capture specifier [&] to lambda.",
- mModule->MethodToString(methodInstance).c_str(), captureName.c_str()), refNode, true);
- if ((error != NULL) && (methodInstance->mMethodDef->mMethodDeclaration != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- failed = true;
- }
- }
- else
- {
- if (lookupVal.mType->IsRef())
- lookupVal = mModule->RemoveRef(lookupVal);
- if (!lookupVal.mType->IsComposite())
- lookupVal = mModule->LoadValue(lookupVal);
- }
- return lookupVal;
- }
- else
- {
- mModule->Fail(StrFormat("Failed to lookup implicit capture '%s'", captureName.c_str()), refNode, true);
- failed = true;
- return BfTypedValue();
- }
- }
- return BfTypedValue();
- }
- void BfExprEvaluator::Visit(BfDelegateBindExpression* delegateBindExpr)
- {
- BfAutoParentNodeEntry autoParentNodeEntry(mModule, delegateBindExpr);
- if (mExpectingType == NULL)
- {
- mModule->Fail("Cannot infer delegate type", delegateBindExpr);
- return;
- }
- BfTokenNode* newToken = NULL;
- BfAllocTarget allocTarget;
- ResolveAllocTarget(allocTarget, delegateBindExpr->mNewToken, newToken);
- SizedArray<BfTypedValueExpression, 4> typedValueExprs;
- SizedArray<BfExpression*, 4> args;
- BfTypeInstance* delegateTypeInstance = NULL;
- BfMethodInstance* methodInstance = NULL;
- const char* bindTypeName = NULL;
- bool isMethodRefMatch = false;
- if (mExpectingType->IsMethodRef())
- {
- auto methodRefType = (BfMethodRefType*)mExpectingType;
- BF_ASSERT(delegateBindExpr->mNewToken == NULL);
- methodInstance = methodRefType->mMethodRef;
- isMethodRefMatch = true;
- }
- else
- {
- if (mExpectingType->IsGenericParam())
- {
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)mExpectingType);
- if ((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsDelegate()))
- {
- delegateTypeInstance = genericParamInstance->mTypeConstraint->ToTypeInstance();
- }
- }
- else
- delegateTypeInstance = mExpectingType->ToTypeInstance();
- if ((delegateTypeInstance == NULL) ||
- ((!delegateTypeInstance->IsDelegate()) && (!delegateTypeInstance->IsFunction())))
- {
- mModule->Fail(StrFormat("Type '%s' cannot be used for method binding. Only delegate or function types are allowed.", mModule->TypeToString(mExpectingType).c_str()), delegateBindExpr);
- return;
- }
- bindTypeName = (delegateTypeInstance->IsDelegate()) ? "delegate" : "function";
- mModule->PopulateType(delegateTypeInstance, BfPopulateType_DataAndMethods);
- methodInstance = mModule->GetRawMethodInstanceAtIdx(delegateTypeInstance, 0, "Invoke");
- if (methodInstance == NULL)
- {
- BF_DBG_FATAL("Invoke not found");
- return;
- }
- if (auto tokenNode = BfNodeDynCast<BfTokenNode>(delegateBindExpr->mNewToken))
- {
- if (delegateTypeInstance->IsFunction())
- mModule->Fail("Function bindings are direct assignments, allocation specifier is not applicable", delegateBindExpr->mNewToken);
- else if (tokenNode->GetToken() == BfToken_Append)
- {
- mModule->Fail("Append allocation on delegate bind not supported", delegateBindExpr->mNewToken);
- }
- }
- }
- int paramOffset = methodInstance->HasExplicitThis() ? 1 : 0;
- typedValueExprs.resize(methodInstance->GetParamCount() - paramOffset);
- args.resize(methodInstance->GetParamCount() - paramOffset);
- for (int i = 0; i < (int)methodInstance->GetParamCount() - paramOffset; i++)
- {
- auto typedValueExpr = &typedValueExprs[i];
- typedValueExpr->mTypedValue.mValue = BfIRValue(BfIRValueFlags_Value, -1);
- typedValueExpr->mTypedValue.mType = methodInstance->GetParamType(i + paramOffset);
- if (methodInstance->GetParamKind(i + paramOffset) == BfParamKind_Params)
- typedValueExpr->mTypedValue.mKind = BfTypedValueKind_Params;
- typedValueExpr->mRefNode = NULL;
- args[i] = typedValueExpr;
- }
- BfMethodGenericArguments methodGenericArgs;
- if (delegateBindExpr->mGenericArgs != NULL)
- methodGenericArgs.mArguments = &delegateBindExpr->mGenericArgs->mGenericArgs;
- if (delegateBindExpr->mTarget == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- {
- SetAndRestoreValue<bool> prevForceAllowNonStatic(autoComplete->mForceAllowNonStatic, methodInstance->mMethodDef->mHasExplicitThis);
- GetAutoComplete()->CheckNode(delegateBindExpr->mTarget, true);
- }
- if ((!delegateBindExpr->mTarget->IsA<BfIdentifierNode>()) &&
- (!delegateBindExpr->mTarget->IsA<BfMemberReferenceExpression>()))
- {
- mModule->Fail(StrFormat("Invalid %s binding target, %s can only bind to method references. Consider wrapping expression in a lambda.", bindTypeName, bindTypeName), delegateBindExpr->mTarget);
- mModule->CreateValueFromExpression(delegateBindExpr->mTarget);
- return;
- }
- BfFunctionBindResult bindResult;
- bindResult.mSkipMutCheck = true; // Allow operating on copies
- bindResult.mBindType = delegateTypeInstance;
- //
- {
- SetAndRestoreValue<BfType*> prevExpectingType(mExpectingType, methodInstance->mReturnType);
- mFunctionBindResult = &bindResult;
- DoInvocation(delegateBindExpr->mTarget, delegateBindExpr, args, methodGenericArgs);
- mFunctionBindResult = NULL;
- }
- SetMethodElementType(delegateBindExpr->mTarget);
- if (bindResult.mMethodInstance == NULL)
- {
- if ((mResult) && (IsVar(mResult.mType)))
- return;
- mResult = BfTypedValue();
- return;
- }
- if (((bindResult.mMethodInstance->mComptimeFlags & BfComptimeFlag_Comptime) != 0) && ((mModule->mCurMethodInstance->mComptimeFlags & BfComptimeFlag_Comptime) == 0))
- {
- mModule->Fail(StrFormat("Cannot bind to const-eval method '%s', as this method is not available at runtime", mModule->MethodToString(bindResult.mMethodInstance).c_str()), delegateBindExpr->mTarget);
- }
- auto bindMethodInstance = bindResult.mMethodInstance;
- if (isMethodRefMatch)
- {
- // WTF- this was always false, what was it supposed to catch?
- // if (bindMethodInstance != bindResult.mMethodInstance)
- // {
- // mResult = BfTypedValue();
- // return;
- // }
- }
- else
- {
- bool isExactMethodMatch = IsExactMethodMatch(methodInstance, bindMethodInstance, true);
- if ((mExpectingType != NULL) && (mExpectingType->IsFunction()) && (methodInstance->mMethodDef->mIsMutating != bindMethodInstance->mMethodDef->mIsMutating))
- isExactMethodMatch = false;
- if (!isExactMethodMatch)
- {
- if (bindResult.mCheckedMultipleMethods)
- {
- mModule->Fail(StrFormat("No overload for '%s' matches %s '%s'", bindMethodInstance->mMethodDef->mName.c_str(), bindTypeName,
- mModule->TypeToString(delegateTypeInstance).c_str()), delegateBindExpr->mTarget);
- }
- else
- {
- mModule->Fail(StrFormat("Method '%s' does not match %s '%s'", mModule->MethodToString(bindMethodInstance, (BfMethodNameFlags)(BfMethodNameFlag_ResolveGenericParamNames | BfMethodNameFlag_IncludeReturnType | BfMethodNameFlag_IncludeMut)).c_str(), bindTypeName,
- mModule->TypeToString(delegateTypeInstance).c_str()), delegateBindExpr->mTarget);
- }
- mResult = BfTypedValue();
- return;
- }
- }
- bool isDirectFunction = false;
- if ((bindResult.mMethodInstance->GetOwner()->IsFunction()) && (bindResult.mFunc))
- isDirectFunction = true;
- if (bindMethodInstance->mIsIntrinsic)
- {
- mModule->Fail(StrFormat("Method '%s' is an intrinsic and therefore cannot be used as a method binding target. Intrinsics have no addresses.", mModule->MethodToString(bindMethodInstance).c_str()), delegateBindExpr->mTarget);
- mResult = BfTypedValue();
- return;
- }
- bool hasIncompatibleCallingConventions = !mModule->mSystem->IsCompatibleCallingConvention(methodInstance->mCallingConvention, bindMethodInstance->mCallingConvention);
- auto _GetInvokeMethodName = [&]()
- {
- StringT<512> methodName = "Invoke$";
- methodName += mModule->mCurMethodInstance->mMethodDef->mName;
- int prevSepPos = (int)methodName.LastIndexOf('$');
- if (prevSepPos > 6)
- {
- methodName.RemoveToEnd(prevSepPos);
- }
- auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
- HashContext hashCtx;
- if (mModule->mCurMethodInstance->mMethodDef->mDeclaringType->mPartialIdx != -1)
- hashCtx.Mixin(mModule->mCurMethodInstance->mMethodDef->mDeclaringType->mPartialIdx);
- if (delegateBindExpr->mFatArrowToken != NULL)
- {
- hashCtx.Mixin(delegateBindExpr->mFatArrowToken->GetStartCharId());
- }
- if (rootMethodState->mMethodInstance->mMethodInfoEx != NULL)
- {
- for (auto methodGenericArg : rootMethodState->mMethodInstance->mMethodInfoEx->mMethodGenericArguments)
- {
- StringT<128> genericTypeName;
- BfMangler::Mangle(genericTypeName, mModule->mCompiler->GetMangleKind(), methodGenericArg);
- hashCtx.MixinStr(genericTypeName);
- }
- }
- Val128 hashVal = hashCtx.Finish128();
- methodName += '$';
- methodName += BfTypeUtils::HashEncode64(hashVal.mLow);
- StringT<512> mangledName;
- BfMangler::MangleMethodName(mangledName, mModule->mCompiler->GetMangleKind(), mModule->mCurTypeInstance, methodName);
- return mangledName;
- };
- if ((delegateBindExpr->mNewToken == NULL) || (delegateTypeInstance->IsFunction()))
- {
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mHotDataReferenceBuilder != NULL))
- {
- BF_ASSERT(bindResult.mMethodInstance->mHotMethod != NULL);
- mModule->mCurMethodState->mHotDataReferenceBuilder->mFunctionPtrs.Add(bindResult.mMethodInstance->mHotMethod);
- }
- if (isDirectFunction)
- {
- //if ((delegateTypeInstance != NULL) && (delegateTypeInstance->IsFunction()))
- if (mExpectingType->IsFunction())
- {
- auto intPtrVal = mModule->mBfIRBuilder->CreatePtrToInt(bindResult.mFunc, BfTypeCode_IntPtr);
- mResult = BfTypedValue(intPtrVal, mExpectingType);
- return;
- }
- }
- if (mExpectingType->IsFunction())
- {
- BfIRValue result;
- if ((hasIncompatibleCallingConventions) && (mModule->HasExecutedOutput()))
- {
- //
- {
- SetAndRestoreValue<bool> prevIgnore(mModule->mBfIRBuilder->mIgnoreWrites, true);
- result = mModule->CastToFunction(delegateBindExpr->mTarget, bindResult.mOrigTarget, bindResult.mMethodInstance, mExpectingType);
- }
- if (result)
- {
- String methodName = _GetInvokeMethodName();
- SizedArray<BfIRType, 8> irParamTypes;
- BfIRType irReturnType;
- methodInstance->GetIRFunctionInfo(mModule, irReturnType, irParamTypes);
- int thisFuncParamIdx = methodInstance->GetThisIdx();
- int thisBindParamIdx = methodInstance->GetThisIdx();
- auto prevActiveFunction = mModule->mBfIRBuilder->GetActiveFunction();
- auto prevInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->mBfIRBuilder->SaveDebugLocation();
- auto funcType = mModule->mBfIRBuilder->CreateFunctionType(irReturnType, irParamTypes);
- auto funcValue = mModule->mBfIRBuilder->CreateFunction(funcType, BfIRLinkageType_External, methodName);
- auto srcCallingConv = mModule->GetIRCallingConvention(methodInstance);
- mModule->mBfIRBuilder->SetFuncCallingConv(funcValue, srcCallingConv);
- mModule->mBfIRBuilder->SetActiveFunction(funcValue);
- auto entryBlock = mModule->mBfIRBuilder->CreateBlock("entry", true);
- mModule->mBfIRBuilder->SetInsertPoint(entryBlock);
- SizedArray<BfIRValue, 8> irArgs;
- for (int paramIdx = 0; paramIdx < irParamTypes.size(); paramIdx++)
- {
- irArgs.push_back(mModule->mBfIRBuilder->GetArgument(paramIdx));
- }
- auto bindFuncVal = bindResult.mFunc;
- if ((mModule->mCompiler->mOptions.mAllowHotSwapping) && (!mModule->mIsComptimeModule))
- bindFuncVal = mModule->mBfIRBuilder->RemapBindFunction(bindFuncVal);
- auto callResult = mModule->mBfIRBuilder->CreateCall(bindFuncVal, irArgs);
- auto destCallingConv = mModule->GetIRCallingConvention(bindMethodInstance);
- if (destCallingConv != BfIRCallingConv_CDecl)
- mModule->mBfIRBuilder->SetCallCallingConv(callResult, destCallingConv);
- if (methodInstance->mReturnType->IsValuelessType())
- mModule->mBfIRBuilder->CreateRetVoid();
- else
- mModule->mBfIRBuilder->CreateRet(callResult);
- mModule->mBfIRBuilder->SetActiveFunction(prevActiveFunction);
- mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
- mModule->mBfIRBuilder->RestoreDebugLocation();
- result = mModule->mBfIRBuilder->CreatePtrToInt(funcValue, BfTypeCode_IntPtr);
- }
- }
- else
- {
- if ((bindResult.mOrigTarget) && (bindResult.mOrigTarget.mType->IsGenericParam()) && (bindResult.mMethodInstance->GetOwner()->IsInterface()))
- {
- bool matching = true;
- if (methodInstance->HasExplicitThis())
- {
- auto thisType = methodInstance->GetParamType(0);
- if (thisType->IsPointer())
- thisType = thisType->GetUnderlyingType();
- if (thisType->IsRef())
- thisType = thisType->GetUnderlyingType();
- matching = thisType == bindResult.mOrigTarget.mType;
- }
- if (matching)
- {
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), mExpectingType);
- return;
- }
- }
- result = mModule->CastToFunction(delegateBindExpr->mTarget, bindResult.mOrigTarget, bindResult.mMethodInstance, mExpectingType, BfCastFlags_None, bindResult.mFunc);
- }
- if (result)
- mResult = BfTypedValue(result, mExpectingType);
- return;
- }
- if (bindResult.mMethodInstance->mDisallowCalling)
- {
- BF_ASSERT(mModule->mBfIRBuilder->mIgnoreWrites);
- mResult = mModule->GetDefaultTypedValue(mExpectingType, false, BfDefaultValueKind_Addr);
- return;
- }
- auto methodRefType = mModule->CreateMethodRefType(bindResult.mMethodInstance);
- mModule->AddDependency(methodRefType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
- mModule->AddCallDependency(bindResult.mMethodInstance);
- if ((bindResult.mOrigTarget) && (bindResult.mOrigTarget.mType->IsMethodRef()))
- {
- mResult = bindResult.mOrigTarget;
- }
- else
- {
- if ((bindResult.mMethodInstance->mMethodDef->mIsLocalMethod) || (!bindResult.mTarget))
- mResult = BfTypedValue(BfIRValue(BfIRValueFlags_Value, BfIRValue::ID_IMPLICIT), methodRefType);
- else
- {
- auto methodRefPtr = mModule->CreateAlloca(methodRefType, "bindResult");
- auto elemPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(methodRefPtr, 0, 0);
- BfTypedValue target;
- if (bindResult.mTarget.IsSplat())
- target = mModule->AggregateSplat(bindResult.mTarget, &bindResult.mIRArgs[0]);
- else
- target = bindResult.mTarget;
- mModule->mBfIRBuilder->CreateStore(target.mValue, elemPtr);
- mResult = BfTypedValue(methodRefPtr, methodRefType, true);
- }
- }
- return;
- }
- int implicitParamCount = bindMethodInstance->GetImplicitParamCount();
- BfTypeInstance* useTypeInstance = delegateTypeInstance;
- BfClosureType* closureTypeInst = NULL;
- auto origTarget = bindResult.mOrigTarget;
- auto target = bindResult.mTarget;
- BfTypedValue methodRefTarget;
- if ((bindResult.mOrigTarget) && (bindResult.mOrigTarget.mType->IsMethodRef()))
- methodRefTarget = bindResult.mOrigTarget;
- bool isStructTarget = (target) && (target.mType->IsStruct());
- bool bindCapturesThis = bindMethodInstance->HasThis() && !isStructTarget;
- bool needsSplat = (isStructTarget) && (!bindMethodInstance->mMethodDef->mIsMutating) && (bindMethodInstance->AllowsSplatting(-1));
- bool captureThisByValue = isStructTarget;
- if (bindMethodInstance->mMethodDef->mIsLocalMethod)
- {
- // Local method captures always capture 'this' by reference
- captureThisByValue = false;
- }
- if ((origTarget.mType != NULL) &&
- ((origTarget.mType->IsRef()) || (origTarget.mType->IsPointer())))
- {
- captureThisByValue = false;
- }
- if (methodRefTarget)
- BF_ASSERT(methodRefTarget.mType->IsMethodRef());
- if (target.IsSplat())
- target = mModule->AggregateSplat(target, &bindResult.mIRArgs[0]);
- bool hasCaptures = false;
- // Do we need a special delegate type for this?
- if (((captureThisByValue) || (needsSplat) || (implicitParamCount > 0) /*|| (hasIncompatibleCallingConventions)*/) &&
- (mModule->HasExecutedOutput()))
- {
- hasCaptures = true;
- auto curProject = mModule->mCurTypeInstance->mTypeDef->mProject;
- if (captureThisByValue)
- target = mModule->LoadValue(target);
- String delegateTypeName = mModule->TypeToString(delegateTypeInstance);
- HashContext hashCtx;
- hashCtx.MixinStr(delegateTypeName);
- // We mix in the project for reasons described in the lambda binding handler
- hashCtx.MixinStr(curProject->mName);
- String structTargetTypeName;
- String structTargetName;
- // Implicit param separator
- for (int implicitParamIdx = bindMethodInstance->HasThis() ? - 1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
- {
- auto paramType = bindResult.mMethodInstance->GetParamType(implicitParamIdx);
- if ((implicitParamIdx == -1) && (captureThisByValue))
- {
- if (paramType->IsPointer())
- paramType = paramType->GetUnderlyingType();
- }
- structTargetTypeName = mModule->TypeToString(paramType);
- structTargetName = bindResult.mMethodInstance->GetParamName(implicitParamIdx);
- hashCtx.MixinStr(structTargetTypeName);
- hashCtx.MixinStr(structTargetName);
- }
- Val128 hash128 = hashCtx.Finish128();
- BfClosureType* checkClosureType = new BfClosureType(delegateTypeInstance, hash128);
- checkClosureType->mContext = mModule->mContext;
- checkClosureType->mBaseType = delegateTypeInstance;
- BfType* resolvedClosureType = mModule->ResolveType(checkClosureType, BfPopulateType_TypeDef);
- closureTypeInst = (BfClosureType*)resolvedClosureType;
- if (checkClosureType == resolvedClosureType)
- {
- // This is a new closure type
- closureTypeInst->Init(curProject);
- for (int implicitParamIdx = bindMethodInstance->HasThis() ? -1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
- {
- String fieldName = bindResult.mMethodInstance->GetParamName(implicitParamIdx);
- BfType* paramType = bindResult.mMethodInstance->GetParamType(implicitParamIdx);
- if ((implicitParamIdx == -1) && (captureThisByValue))
- {
- if (paramType->IsPointer())
- paramType = paramType->GetUnderlyingType();
- }
- if (fieldName == "this")
- fieldName = "__this";
- closureTypeInst->AddField(paramType, fieldName);
- }
- closureTypeInst->Finish();
- mModule->PopulateType(resolvedClosureType, BfPopulateType_Declaration);
- }
- else
- {
- // Already had this entry
- delete checkClosureType;
- }
- useTypeInstance = closureTypeInst;
- }
- mModule->PopulateType(useTypeInstance);
- if (delegateBindExpr->mTarget == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- mResult = BfTypedValue(mModule->AllocFromType(useTypeInstance, allocTarget, BfIRValue(), BfIRValue(), 0, BfAllocFlags_None), useTypeInstance);
- // Do we need specialized calling code for this?
- BfIRValue funcValue;
- if (((needsSplat) || (implicitParamCount > 0) || (hasIncompatibleCallingConventions)) &&
- (mModule->HasExecutedOutput()))
- {
- int fieldIdx = 0;
- for (int implicitParamIdx = bindMethodInstance->HasThis() ? -1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
- {
- auto fieldInst = &useTypeInstance->mFieldInstances[fieldIdx];
- int gepIdx = fieldInst->mDataIdx;
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, gepIdx);
- auto fieldType = bindMethodInstance->GetParamType(implicitParamIdx);
- if ((implicitParamIdx == -1) && (captureThisByValue))
- {
- if (fieldType->IsPointer())
- fieldType = fieldType->GetUnderlyingType();
- }
- bool failed = false;
- BfTypedValue lookupVal;
- if (implicitParamIdx == -1)
- lookupVal = target;
- else
- lookupVal = DoImplicitArgCapture(delegateBindExpr->mTarget, bindResult.mMethodInstance, implicitParamIdx, failed, BfImplicitParamKind_General, methodRefTarget);
- if (!lookupVal)
- continue;
- if ((fieldType->IsPointer()) && (lookupVal.mType != fieldType))
- {
- BF_ASSERT(fieldType->GetUnderlyingType() == lookupVal.mType);
- BF_ASSERT(lookupVal.IsAddr());
- }
- else if (!fieldType->IsRef())
- lookupVal = mModule->LoadOrAggregateValue(lookupVal);
- if (lookupVal)
- mModule->mBfIRBuilder->CreateStore(lookupVal.mValue, fieldPtr);
- fieldIdx++;
- }
- String methodName = _GetInvokeMethodName();
- SizedArray<BfIRType, 8> irParamTypes;
- BfIRType irReturnType;
- bool hasThis = false;
- if (hasCaptures)
- {
- hasThis = true;
- methodInstance->GetIRFunctionInfo(mModule, irReturnType, irParamTypes);
- int thisIdx = 0;
- if (GetStructRetIdx(methodInstance) == 0)
- thisIdx = 1;
- irParamTypes[thisIdx] = mModule->mBfIRBuilder->MapType(useTypeInstance);
- }
- else
- {
- BF_ASSERT(hasIncompatibleCallingConventions);
- bindMethodInstance->GetIRFunctionInfo(mModule, irReturnType, irParamTypes);
- hasThis = bindMethodInstance->HasThis();
- }
- auto prevActiveFunction = mModule->mBfIRBuilder->GetActiveFunction();
- auto prevInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->mBfIRBuilder->SaveDebugLocation();
- auto funcType = mModule->mBfIRBuilder->CreateFunctionType(irReturnType, irParamTypes);
- funcValue = mModule->mBfIRBuilder->CreateFunction(funcType, BfIRLinkageType_External, methodName);
- if (GetStructRetIdx(methodInstance) != -1)
- {
- mModule->mBfIRBuilder->Func_AddAttribute(funcValue, GetStructRetIdx(methodInstance) + 1, BfIRAttribute_NoAlias);
- mModule->mBfIRBuilder->Func_AddAttribute(funcValue, GetStructRetIdx(methodInstance) + 1, BfIRAttribute_StructRet);
- }
- auto srcCallingConv = mModule->GetIRCallingConvention(methodInstance);
- if ((!hasThis) && (methodInstance->mCallingConvention == BfCallingConvention_Stdcall))
- srcCallingConv = BfIRCallingConv_StdCall;
- else if (methodInstance->mCallingConvention == BfCallingConvention_Fastcall)
- srcCallingConv = BfIRCallingConv_FastCall;
- mModule->mBfIRBuilder->SetFuncCallingConv(funcValue, srcCallingConv);
- mModule->mBfIRBuilder->SetActiveFunction(funcValue);
- auto entryBlock = mModule->mBfIRBuilder->CreateBlock("entry", true);
- mModule->mBfIRBuilder->SetInsertPoint(entryBlock);
- fieldIdx = 0;
- SizedArray<BfIRValue, 8> irArgs;
- int argIdx = 0;
- if (GetStructRetIdx(bindMethodInstance) == 0)
- {
- irArgs.push_back(mModule->mBfIRBuilder->GetArgument(GetStructRetIdx(methodInstance)));
- argIdx++;
- }
- for (int implicitParamIdx = bindMethodInstance->HasThis() ? -1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
- {
- auto fieldInst = &useTypeInstance->mFieldInstances[fieldIdx];
- int gepIdx = fieldInst->mDataIdx;
- auto fieldType = bindMethodInstance->GetParamType(implicitParamIdx);
- bool disableSplat = false;
- if ((implicitParamIdx == -1) && (captureThisByValue))
- {
- if (fieldType->IsPointer())
- {
- fieldType = fieldType->GetUnderlyingType();
- disableSplat = true;
- }
- }
- int thisIdx = 0;
- if (GetStructRetIdx(methodInstance) == 0)
- thisIdx = 1;
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mModule->mBfIRBuilder->GetArgument(thisIdx), 0, gepIdx);
- BfTypedValue typedVal(fieldPtr, fieldType, true);
- PushArg(typedVal, irArgs, disableSplat);
- fieldIdx++;
- }
- if (hasThis)
- argIdx++;
- if (GetStructRetIdx(bindMethodInstance) == 1)
- {
- irArgs.push_back(mModule->mBfIRBuilder->GetArgument(GetStructRetIdx(methodInstance)));
- argIdx++;
- }
- for (int paramIdx = 0; paramIdx < methodInstance->GetParamCount(); paramIdx++)
- {
- auto paramType = methodInstance->GetParamType(paramIdx);
- if ((paramType->IsSplattable()) && (!IsComptime()))
- {
- BfTypeUtils::SplatIterate([&](BfType* checkType) { irArgs.push_back(mModule->mBfIRBuilder->GetArgument(argIdx++)); }, paramType);
- }
- else if (!paramType->IsValuelessType())
- {
- irArgs.push_back(mModule->mBfIRBuilder->GetArgument(argIdx++));
- }
- }
- auto bindFuncVal = bindResult.mFunc;
- if ((mModule->mCompiler->mOptions.mAllowHotSwapping) && (!mModule->mIsComptimeModule))
- bindFuncVal = mModule->mBfIRBuilder->RemapBindFunction(bindFuncVal);
- auto callInst = mModule->mBfIRBuilder->CreateCall(bindFuncVal, irArgs);
- if (GetStructRetIdx(bindMethodInstance) != -1)
- mModule->mBfIRBuilder->Call_AddAttribute(callInst, GetStructRetIdx(bindMethodInstance) + 1, BfIRAttribute_StructRet);
- auto destCallingConv = mModule->GetIRCallingConvention(bindMethodInstance);
- if (destCallingConv != BfIRCallingConv_CDecl)
- mModule->mBfIRBuilder->SetCallCallingConv(callInst, destCallingConv);
- if ((methodInstance->mReturnType->IsValuelessType()) || (GetStructRetIdx(methodInstance) != -1))
- {
- mModule->mBfIRBuilder->CreateRetVoid();
- }
- else
- {
- mModule->mBfIRBuilder->CreateRet(callInst);
- }
- mModule->mBfIRBuilder->SetActiveFunction(prevActiveFunction);
- mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
- mModule->mBfIRBuilder->RestoreDebugLocation();
- }
- else if ((closureTypeInst != NULL) && (captureThisByValue))
- {
- // When we need to aggregrate a splat for a target, we just point out delegate's mTarget to inside ourselves where we aggregated the value
- int dataIdx = 1;
- if (!closureTypeInst->mFieldInstances.IsEmpty())
- {
- auto& fieldInst = closureTypeInst->mFieldInstances[0];
- BF_ASSERT(fieldInst.GetFieldDef()->mName == "__this");
- dataIdx = fieldInst.mDataIdx;
- }
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, dataIdx);
- target = mModule->LoadValue(target);
- mModule->mBfIRBuilder->CreateStore(target.mValue, fieldPtr);
- target = BfTypedValue(fieldPtr, target.mType, true);
- }
- BfResolvedArgs resolvedArgs;
- MatchConstructor(delegateBindExpr, delegateBindExpr, mResult, useTypeInstance, resolvedArgs, false, BfMethodGenericArguments(), BfAllowAppendKind_No);
- auto baseDelegateType = VerifyBaseDelegateType(delegateTypeInstance->mBaseType);
- auto baseDelegate = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapType(baseDelegateType, BfIRPopulateType_Full));
- // >> delegate.mTarget = bindResult.mTarget
- BfIRValue valPtr;
- if (mModule->HasExecutedOutput())
- {
- if ((implicitParamCount > 0) || (needsSplat)) // Point back to self, it contains capture data
- valPtr = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_NullPtr));
- else if (bindResult.mTarget)
- {
- if ((target.mType->IsObjectOrInterface()) &&
- (mModule->mCompiler->mOptions.mObjectHasDebugFlags) && (!mModule->mIsComptimeModule) &&
- (mModule->mCompiler->mSystem->mPtrSize == 8))
- {
- auto numVal = mModule->mBfIRBuilder->CreatePtrToInt(target.mValue, BfTypeCode_UInt64);
- auto orVal = mModule->mBfIRBuilder->CreateOr(numVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_UInt64, (uint64)0x8000000000000000ULL));
- valPtr = mModule->mBfIRBuilder->CreateIntToPtr(orVal, mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_NullPtr));
- }
- else
- valPtr = mModule->mBfIRBuilder->CreateBitCast(target.mValue, mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_NullPtr));
- }
- else
- valPtr = mModule->GetDefaultValue(mModule->GetPrimitiveType(BfTypeCode_NullPtr));
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(baseDelegate, 0, 2);
- mModule->mBfIRBuilder->CreateStore(valPtr, fieldPtr);
- }
- if (!funcValue)
- {
- funcValue = bindResult.mFunc;
- if (!funcValue)
- {
- if ((mModule->HasExecutedOutput()) && (!mModule->mBfIRBuilder->mIgnoreWrites))
- mModule->AssertErrorState();
- return;
- }
- if ((mModule->mCompiler->mOptions.mAllowHotSwapping) && (!bindResult.mMethodInstance->mMethodDef->mIsVirtual) && (!mModule->mIsComptimeModule))
- {
- funcValue = mModule->mBfIRBuilder->RemapBindFunction(funcValue);
- }
- }
- // >> delegate.mFuncPtr = bindResult.mFunc
- auto nullPtrType = mModule->GetPrimitiveType(BfTypeCode_NullPtr);
- valPtr = mModule->mBfIRBuilder->CreateBitCast(funcValue, mModule->mBfIRBuilder->MapType(nullPtrType));
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(baseDelegate, 0, 1);
- mModule->mBfIRBuilder->CreateStore(valPtr, fieldPtr);
- }
- void BfExprEvaluator::VisitLambdaBodies(BfAstNode* body, BfFieldDtorDeclaration* fieldDtor)
- {
- if (auto blockBody = BfNodeDynCast<BfBlock>(body))
- mModule->VisitChild(blockBody);
- else if (auto bodyExpr = BfNodeDynCast<BfExpression>(body))
- {
- auto result = mModule->CreateValueFromExpression(bodyExpr);
- if ((result) && (mModule->mCurMethodState->mClosureState != NULL) &&
- (mModule->mCurMethodState->mClosureState->mReturnTypeInferState == BfReturnTypeInferState_Inferring))
- mModule->mCurMethodState->mClosureState->mReturnType = result.mType;
- }
- while (fieldDtor != NULL)
- {
- mModule->mCurMethodState->mLeftBlockUncond = false;
- mModule->VisitChild(fieldDtor->mBody);
- fieldDtor = fieldDtor->mNextFieldDtor;
- }
- }
- BfLambdaInstance* BfExprEvaluator::GetLambdaInstance(BfLambdaBindExpression* lambdaBindExpr, BfAllocTarget& allocTarget)
- {
- if (mModule->mCurMethodState == NULL)
- return NULL;
- auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
- BfAstNodeList cacheNodeList;
- cacheNodeList.mList.Add(lambdaBindExpr);
- ///
- {
- auto checkMethodState = mModule->mCurMethodState;
- while (checkMethodState != NULL)
- {
- if (checkMethodState->mMixinState != NULL)
- cacheNodeList.mList.Add(checkMethodState->mMixinState->mSource);
- checkMethodState = checkMethodState->mPrevMethodState;
- }
- }
- bool isInferReturnType = (mBfEvalExprFlags & BfEvalExprFlags_InferReturnType) != 0;
- BfLambdaInstance* lambdaInstance = NULL;
- if ((!isInferReturnType) && (rootMethodState->mLambdaCache.TryGetValue(cacheNodeList, &lambdaInstance)))
- return lambdaInstance;
- static int sBindCount = 0;
- sBindCount++;
- bool isFunctionBind = false;
- BfTypeInstance* delegateTypeInstance = NULL;
- BfMethodInstance* invokeMethodInstance = NULL;
- if (mExpectingType == NULL)
- {
- mModule->Fail("Cannot infer delegate type", lambdaBindExpr);
- delegateTypeInstance = mModule->ResolveTypeDef(mModule->mCompiler->mActionTypeDef)->ToTypeInstance();
- }
- else
- {
- delegateTypeInstance = mExpectingType->ToTypeInstance();
- if ((delegateTypeInstance == NULL) ||
- ((!delegateTypeInstance->mTypeDef->mIsDelegate) && (!delegateTypeInstance->mTypeDef->mIsFunction)))
- {
- if (lambdaBindExpr->mFatArrowToken != NULL)
- mModule->Fail("Can only bind lambdas to delegate types", lambdaBindExpr->mFatArrowToken);
- delegateTypeInstance = mModule->ResolveTypeDef(mModule->mCompiler->mActionTypeDef)->ToTypeInstance();
- }
- else
- {
- invokeMethodInstance = mModule->GetRawMethodInstanceAtIdx(delegateTypeInstance, 0, "Invoke");
- }
- isFunctionBind = delegateTypeInstance->mTypeDef->mIsFunction;
- }
- if (auto tokenNode = BfNodeDynCast<BfTokenNode>(lambdaBindExpr->mNewToken))
- {
- if (isFunctionBind)
- {
- mModule->Fail("Function lambda binding does not require allocation", lambdaBindExpr->mNewToken);
- }
- else if (tokenNode->GetToken() == BfToken_Append)
- {
- mModule->Fail("Append allocation on delegate bind not supported", lambdaBindExpr->mNewToken);
- }
- }
- if (invokeMethodInstance != NULL)
- {
- if ((int)lambdaBindExpr->mParams.size() < invokeMethodInstance->GetParamCount())
- {
- BfAstNode* refNode = lambdaBindExpr->mCloseParen;
- if (refNode == NULL)
- refNode = lambdaBindExpr;
- mModule->Fail(StrFormat("Not enough parameters for delegate type '%s'. Expected %d more.",
- mModule->TypeToString(delegateTypeInstance).c_str(), invokeMethodInstance->GetParamCount() - lambdaBindExpr->mParams.size()), refNode);
- }
- else if ((int)lambdaBindExpr->mParams.size() > invokeMethodInstance->GetParamCount())
- {
- BfAstNode* refNode = lambdaBindExpr->mParams[invokeMethodInstance->GetParamCount()];
- mModule->Fail(StrFormat("Too many parameters for delegate type '%s'. Expected %d fewer.",
- mModule->TypeToString(delegateTypeInstance).c_str(), lambdaBindExpr->mParams.size() - invokeMethodInstance->GetParamCount()), refNode);
- }
- }
- auto autoComplete = GetAutoComplete();
- bool wasCapturingMethodInfo = false;
- if ((autoComplete != NULL) && (invokeMethodInstance != NULL))
- {
- wasCapturingMethodInfo = autoComplete->mIsCapturingMethodMatchInfo;
- bool isAutocompleteNode = false;
- if (lambdaBindExpr->mFatArrowToken != NULL)
- {
- if (autoComplete->IsAutocompleteNode(lambdaBindExpr, lambdaBindExpr->mFatArrowToken))
- isAutocompleteNode = true;
- }
- else if (autoComplete->IsAutocompleteNode(lambdaBindExpr))
- isAutocompleteNode = true;
- if (isAutocompleteNode)
- autoComplete->CheckInvocation(lambdaBindExpr, lambdaBindExpr->mOpenParen, lambdaBindExpr->mCloseParen, lambdaBindExpr->mCommas);
- if (autoComplete->mIsCapturingMethodMatchInfo)
- {
- autoComplete->mMethodMatchInfo->mInstanceList.Clear();
- auto methodMatchInfo = autoComplete->mMethodMatchInfo;
- BfAutoComplete::MethodMatchEntry methodMatchEntry;
- methodMatchEntry.mTypeInstance = invokeMethodInstance->GetOwner();
- methodMatchEntry.mCurMethodInstance = mModule->mCurMethodInstance;
- methodMatchEntry.mMethodDef = invokeMethodInstance->mMethodDef;
- autoComplete->mMethodMatchInfo->mInstanceList.push_back(methodMatchEntry);
- methodMatchInfo->mBestIdx = 0;
- methodMatchInfo->mMostParamsMatched = 0;
- int cursorIdx = lambdaBindExpr->GetParser()->mCursorIdx;
- if ((lambdaBindExpr->mCloseParen == NULL) || (cursorIdx <= lambdaBindExpr->mCloseParen->GetSrcStart()))
- {
- int paramIdx = 0;
- for (int commaIdx = 0; commaIdx < (int)lambdaBindExpr->mCommas.size(); commaIdx++)
- {
- auto commaNode = lambdaBindExpr->mCommas[commaIdx];
- if ((commaNode != NULL) && (cursorIdx >= commaNode->GetSrcStart()))
- paramIdx = commaIdx + 1;
- }
- bool isEmpty = true;
- if (paramIdx < (int)lambdaBindExpr->mParams.size())
- {
- auto paramNode = lambdaBindExpr->mParams[paramIdx];
- if (paramNode != NULL)
- isEmpty = false;
- }
- if (isEmpty)
- {
- if (paramIdx < (int)invokeMethodInstance->GetParamCount())
- {
- String paramName = invokeMethodInstance->GetParamName(paramIdx);
- autoComplete->mEntriesSet.Clear();
- if (paramName.IsEmpty())
- paramName += StrFormat("val%d", paramIdx + 1);
- autoComplete->AddEntry(AutoCompleteEntry("paramName", paramName));
- autoComplete->mInsertStartIdx = cursorIdx;
- autoComplete->mInsertEndIdx = cursorIdx;
- if ((paramIdx == 0) && (lambdaBindExpr->mParams.IsEmpty()))
- {
- String totalNames;
- for (int checkIdx = 0; checkIdx < (int)invokeMethodInstance->GetParamCount(); checkIdx++)
- {
- if (!totalNames.IsEmpty())
- totalNames += ", ";
- String paramName = invokeMethodInstance->GetParamName(checkIdx);
- if (paramName.IsEmpty())
- paramName += StrFormat("val%d", checkIdx + 1);
- totalNames += paramName;
- }
- autoComplete->AddEntry(AutoCompleteEntry("paramNames", totalNames));
- }
- }
- }
- }
- }
- }
- defer
- (
- {
- if (autoComplete != NULL)
- autoComplete->mIsCapturingMethodMatchInfo = (wasCapturingMethodInfo) && (!autoComplete->mIsCapturingMethodMatchInfo) && (autoComplete->mMethodMatchInfo != NULL);
- }
- );
- if (lambdaBindExpr->mBody == NULL)
- {
- mModule->AssertErrorState();
- return NULL;
- }
- if ((lambdaBindExpr->mNewToken == NULL) && (isInferReturnType))
- {
- // Method ref, but let this follow infer route
- }
- else if ((lambdaBindExpr->mNewToken == NULL) || (isFunctionBind))
- {
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
- {
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- VisitLambdaBodies(lambdaBindExpr->mBody, lambdaBindExpr->mDtor);
- }
- if ((lambdaBindExpr->mNewToken != NULL) && (isFunctionBind))
- mModule->Fail("Binds to functions should do not require allocations.", lambdaBindExpr->mNewToken);
- if (lambdaBindExpr->mDtor != NULL)
- {
- mModule->Fail("Valueless method reference cannot contain destructor. Consider either removing destructor or using an allocated lambda.", lambdaBindExpr->mDtor->mTildeToken);
- // Eat it
- auto fieldDtor = lambdaBindExpr->mDtor;
- while (fieldDtor != NULL)
- {
- mModule->VisitEmbeddedStatement(fieldDtor->mBody);
- fieldDtor = fieldDtor->mNextFieldDtor;
- }
- }
- if (invokeMethodInstance != NULL)
- {
- BfLocalMethod* localMethod = new BfLocalMethod();
- localMethod->mMethodName = "anon";
- localMethod->mSystem = mModule->mSystem;
- localMethod->mModule = mModule;
- localMethod->mExpectedFullName = mModule->GetLocalMethodName(localMethod->mMethodName, lambdaBindExpr->mFatArrowToken, mModule->mCurMethodState, mModule->mCurMethodState->mMixinState);
- localMethod->mLambdaInvokeMethodInstance = invokeMethodInstance;
- localMethod->mLambdaBindExpr = lambdaBindExpr;
- localMethod->mDeclMethodState = mModule->mCurMethodState;
- mModule->mContext->mLocalMethodGraveyard.push_back(localMethod);
- auto moduleMethodInstance = mModule->GetLocalMethodInstance(localMethod, BfTypeVector());
- if (moduleMethodInstance.mMethodInstance->mDisallowCalling)
- {
- mResult = mModule->GetDefaultTypedValue(mExpectingType, false, BfDefaultValueKind_Addr);
- return NULL;
- }
- auto methodRefType = mModule->CreateMethodRefType(moduleMethodInstance.mMethodInstance);
- mModule->AddDependency(methodRefType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
- mModule->AddCallDependency(moduleMethodInstance.mMethodInstance);
- mResult = BfTypedValue(BfIRValue(BfIRValueFlags_Value, BfIRValue::ID_IMPLICIT), methodRefType);
- return NULL;
- }
- }
- //SetAndRestoreValue<bool> prevIgnoreIRWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mWantsIRIgnoreWrites);
- SetAndRestoreValue<bool> prevIgnoreIRWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mWantsIRIgnoreWrites || mModule->mCurMethodInstance->mIsUnspecialized);
- BfTypeInstance* outerClosure = NULL;
- if ((mModule->mCurMethodState->mClosureState != NULL) && (!mModule->mCurMethodState->mClosureState->mCapturing))
- outerClosure = mModule->mCurMethodState->mClosureState->mClosureType;
- Val128 val128(delegateTypeInstance->mTypeId);
- bool isConstEval = ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0);
- BfMethodState methodState;
- methodState.mPrevMethodState = mModule->mCurMethodState;
- BfIRFunctionType funcType;
- auto voidType = mModule->GetPrimitiveType(BfTypeCode_None);
- SizedArray<BfIRType, 0> paramTypes;
- funcType = mModule->mBfIRBuilder->CreateFunctionType(mModule->mBfIRBuilder->MapType(voidType), paramTypes, false);
- auto prevInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
- BF_ASSERT(prevInsertBlock || isConstEval);
- auto prevActiveFunction = mModule->mBfIRBuilder->GetActiveFunction();
- mModule->mBfIRBuilder->SaveDebugLocation();
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- BfDeferredLocalAssignData deferredLocalAssignData;
- if (mModule->mCurMethodState->mDeferredLocalAssignData != NULL)
- deferredLocalAssignData.ExtendFrom(mModule->mCurMethodState->mDeferredLocalAssignData);
- SetAndRestoreValue<BfMethodState*> prevMethodState(mModule->mCurMethodState, &methodState);
- methodState.mIRHeadBlock = mModule->mBfIRBuilder->CreateBlock("head", true);
- methodState.mIRInitBlock = mModule->mBfIRBuilder->CreateBlock("init", true);
- methodState.mIREntryBlock = mModule->mBfIRBuilder->CreateBlock("entry", true);
- methodState.mCurScope->mDIScope = prevMethodState.mPrevVal->mCurScope->mDIScope;//invokeMethodInstance->mDIFunction;
- methodState.mCurLocalVarId = -1;
- methodState.mIRFunction = prevMethodState.mPrevVal->mIRFunction;
- methodState.mDeferredLocalAssignData = &deferredLocalAssignData;
- mModule->mBfIRBuilder->SetInsertPoint(methodState.mIREntryBlock);
- BfClosureState closureState;
- if (delegateTypeInstance->IsDelegate())
- closureState.mReturnType = mModule->GetDelegateReturnType(delegateTypeInstance);
- else
- closureState.mReturnType = mModule->mContext->mBfObjectType;
- closureState.mCapturing = true;
- if (delegateTypeInstance->IsDelegate())
- closureState.mDelegateType = delegateTypeInstance;
- closureState.mDeclaringMethodIsMutating = mModule->mCurMethodInstance->mMethodDef->mIsMutating;
- methodState.mClosureState = &closureState;
- closureState.mClosureType = outerClosure;
- BF_ASSERT(methodState.mCurLocalVarId == -1);
- int outerLocalsCount = (int)methodState.mLocals.size();
- // static int sItrCount = 0;
- // ++sItrCount;
- // int itrCount = sItrCount;
- // if ((itrCount == 8) || (itrCount == 10))
- // {
- // NOP;
- // }
- String delegateTypeName = mModule->TypeToString(delegateTypeInstance);
- HashContext hashCtx;
- hashCtx.MixinStr(delegateTypeName);
- BfSource* bfSource = delegateTypeInstance->mTypeDef->mSource;
- BfMethodDef* methodDef = new BfMethodDef();
- methodDef->mDeclaringType = mModule->mCurMethodInstance->mMethodDef->mDeclaringType;
- Val128 closureMethodHash;
- OwnedVector<BfParameterDeclaration> tempParamDecls;
- if ((autoComplete != NULL) && (autoComplete->mMethodMatchInfo != NULL) && (autoComplete->IsAutocompleteNode(lambdaBindExpr->mBody)))
- {
- // Don't show outer method match info when our cursor is inside a lambda expression (being passed as a parameter)
- autoComplete->RemoveMethodMatchInfo();
- }
- if (invokeMethodInstance != NULL)
- {
- for (int paramIdx = 0; paramIdx < (int)invokeMethodInstance->GetParamCount(); paramIdx++)
- {
- BfLocalVariable* localVar = new BfLocalVariable();
- if (paramIdx < (int)lambdaBindExpr->mParams.size())
- {
- localVar->mName = lambdaBindExpr->mParams[paramIdx]->ToString();
- localVar->mNameNode = lambdaBindExpr->mParams[paramIdx];
- }
- else
- {
- mModule->AssertErrorState();
- localVar->mName = invokeMethodInstance->GetParamName(paramIdx);
- }
- localVar->mResolvedType = invokeMethodInstance->GetParamType(paramIdx);
- mModule->PopulateType(localVar->mResolvedType);
- localVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
- localVar->mReadFromId = 0;
- auto rootMethodState = methodState.GetRootMethodState();
- localVar->mLocalVarId = rootMethodState->mCurLocalVarId++;
- mModule->DoAddLocalVariable(localVar);
- auto resolvePassData = mModule->mCompiler->mResolvePassData;
- if (resolvePassData != NULL)
- resolvePassData->HandleLocalReference(BfNodeDynCast<BfIdentifierNode>(localVar->mNameNode), mModule->mCurTypeInstance->mTypeDef,
- mModule->mCurMethodInstance->mMethodDef, localVar->mLocalVarId);
- }
- for (int paramIdx = 0; paramIdx < (int)invokeMethodInstance->mMethodDef->mParams.size(); paramIdx++)
- {
- auto invokeParamDef = invokeMethodInstance->mMethodDef->mParams[paramIdx];
- BfParameterDef* paramDef = new BfParameterDef();
- paramDef->mParamDeclaration = tempParamDecls.Alloc();
- BfAstNode::Zero(paramDef->mParamDeclaration);
- paramDef->mTypeRef = invokeParamDef->mTypeRef;
- paramDef->mParamKind = invokeParamDef->mParamKind;
-
- if ((paramIdx < (int)lambdaBindExpr->mParams.size()) && (invokeMethodInstance->GetParamKind(paramIdx) != BfParamKind_DelegateParam))
- {
- //TODO: Not always correct if we have a 'params'
- paramDef->mParamDeclaration->mNameNode = lambdaBindExpr->mParams[paramIdx];
- paramDef->mName = paramDef->mParamDeclaration->mNameNode->ToString();
- }
- else
- {
- paramDef->mParamDeclaration->mNameNode = NULL;
- paramDef->mName = invokeParamDef->mName;
- }
-
- methodDef->mParams.push_back(paramDef);
-
- if (autoComplete != NULL)
- autoComplete->CheckLocalDef(BfNodeDynCast<BfIdentifierNode>(paramDef->mParamDeclaration->mNameNode), methodState.mLocals.back());
- }
- }
- bool isAutocomplete = mModule->mCompiler->IsAutocomplete();
- methodDef->mIdx = mModule->mCurMethodInstance->mMethodDef->mIdx;
- methodDef->mBody = lambdaBindExpr->mBody;
- ///
- auto varMethodState = methodState.mPrevMethodState;
- bool hasExplicitCaptureNames = false;
- for (auto& captureEntry : allocTarget.mCaptureInfo->mCaptures)
- {
- if (captureEntry.mNameNode == NULL)
- {
- hasExplicitCaptureNames = false;
- break;
- }
- hasExplicitCaptureNames = true;
- }
- auto _SetNotCapturedFlag = [&](bool notCaptured)
- {
- auto varMethodState = methodState.mPrevMethodState;
- while (varMethodState != NULL)
- {
- for (int localIdx = 0; localIdx < varMethodState->mLocals.size(); localIdx++)
- {
- auto localVar = varMethodState->mLocals[localIdx];
- localVar->mNotCaptured = notCaptured;
- }
- varMethodState = varMethodState->mPrevMethodState;
- if (varMethodState == NULL)
- break;
- if (varMethodState->mMixinState != NULL)
- break;
- if (varMethodState->mClosureState != NULL)
- {
- if (!varMethodState->mClosureState->mCapturing)
- break;
- }
- }
- };
- if (hasExplicitCaptureNames)
- {
- _SetNotCapturedFlag(true);
- auto varMethodState = methodState.mPrevMethodState;
- while (varMethodState != NULL)
- {
- for (auto& captureEntry : allocTarget.mCaptureInfo->mCaptures)
- {
- if (captureEntry.mNameNode != NULL)
- {
- StringT<64> captureName;
- captureEntry.mNameNode->ToString(captureName);
- BfLocalVarEntry* entry;
- if (varMethodState->mLocalVarSet.TryGetWith<StringImpl&>(captureName, &entry))
- {
- auto localVar = entry->mLocalVar;
- while (localVar != NULL)
- {
- if (autoComplete != NULL)
- autoComplete->CheckLocalRef(captureEntry.mNameNode, localVar);
- if (((mModule->mCurMethodState->mClosureState == NULL) || (mModule->mCurMethodState->mClosureState->mCapturing)) &&
- (mModule->mCompiler->mResolvePassData != NULL) && (mModule->mCurMethodInstance != NULL))
- {
- if (auto captureIdentifierNode = BfNodeDynCast<BfIdentifierNode>(captureEntry.mNameNode))
- mModule->mCompiler->mResolvePassData->HandleLocalReference(captureIdentifierNode, localVar->mNameNode, mModule->mCurTypeInstance->mTypeDef, rootMethodState->mMethodInstance->mMethodDef, localVar->mLocalVarId);
- }
- localVar->mNotCaptured = false;
- localVar = localVar->mShadowedLocal;
- }
- }
- }
- }
- varMethodState = varMethodState->mPrevMethodState;
- if (varMethodState == NULL)
- break;
- if (varMethodState->mMixinState != NULL)
- break;
- if (varMethodState->mClosureState != NULL)
- {
- if (!varMethodState->mClosureState->mCapturing)
- break;
- }
- }
- }
- BfClosureInstanceInfo* closureInstanceInfo = new BfClosureInstanceInfo();
- auto checkInsertBlock = mModule->mBfIRBuilder->GetInsertBlock();
- closureState.mCaptureStartAccessId = methodState.mPrevMethodState->GetRootMethodState()->mCurAccessId;
- closureState.mCaptureVisitingBody = true;
- closureState.mClosureInstanceInfo = closureInstanceInfo;
- if ((mBfEvalExprFlags & BfEvalExprFlags_InferReturnType) != 0)
- {
- closureState.mReturnType = NULL;
- closureState.mReturnTypeInferState = BfReturnTypeInferState_Inferring;
- }
- VisitLambdaBodies(lambdaBindExpr->mBody, lambdaBindExpr->mDtor);
- if (hasExplicitCaptureNames)
- _SetNotCapturedFlag(false);
- // If we ended up being called by a method with a lower captureStartAccessId, propagate that to whoever is calling us, too...
- if ((methodState.mPrevMethodState->mClosureState != NULL) && (methodState.mPrevMethodState->mClosureState->mCapturing))
- {
- auto prevClosureState = methodState.mPrevMethodState->mClosureState;
- if (closureState.mCaptureStartAccessId < prevClosureState->mCaptureStartAccessId)
- prevClosureState->mCaptureStartAccessId = closureState.mCaptureStartAccessId;
- }
- bool earlyExit = false;
- if (isInferReturnType)
- {
- if ((closureState.mReturnTypeInferState == BfReturnTypeInferState_Fail) ||
- (closureState.mReturnType == NULL))
- {
- mResult = BfTypedValue();
- }
- else
- {
- mResult = BfTypedValue(closureState.mReturnType);
- }
- earlyExit = true;
- }
- else if (mModule->mCurMethodInstance->mIsUnspecialized)
- {
- earlyExit = true;
- mResult = mModule->GetDefaultTypedValue(delegateTypeInstance);
- }
- if (earlyExit)
- {
- prevIgnoreWrites.Restore();
- mModule->mBfIRBuilder->RestoreDebugLocation();
- mModule->mBfIRBuilder->SetActiveFunction(prevActiveFunction);
- if (!prevInsertBlock.IsFake())
- mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
- delete methodDef;
- delete closureInstanceInfo;
- return NULL;
- }
- closureState.mCaptureVisitingBody = false;
- prevIgnoreWrites.Restore();
- mModule->mBfIRBuilder->RestoreDebugLocation();
- auto _GetCaptureType = [&](const StringImpl& str, BfCaptureInfo::Entry** captureInfo = NULL)
- {
- if (allocTarget.mCaptureInfo->mCaptures.IsEmpty())
- return BfCaptureType_Copy;
- for (auto& captureEntry : allocTarget.mCaptureInfo->mCaptures)
- {
- if ((captureEntry.mNameNode == NULL) || (captureEntry.mNameNode->Equals(str)))
- {
- if (captureInfo != NULL)
- *captureInfo = &captureEntry;
- captureEntry.mUsed = true;
- return captureEntry.mCaptureType;
- }
- }
- return BfCaptureType_None;
- };
- Array<BfClosureCapturedEntry> capturedEntries;
- bool copyOuterCaptures = false;
- //
- {
- auto varMethodState = methodState.mPrevMethodState;
- while (varMethodState != NULL)
- {
- for (int localIdx = 0; localIdx < varMethodState->mLocals.size(); localIdx++)
- {
- auto localVar = varMethodState->mLocals[localIdx];
- if ((localVar->mReadFromId >= closureState.mCaptureStartAccessId) || (localVar->mWrittenToId >= closureState.mCaptureStartAccessId))
- {
- if ((localVar->mIsThis) && (outerClosure != NULL))
- {
- continue;
- }
- auto outerLocal = localVar;
- if ((localVar->mConstValue) || (localVar->mResolvedType->IsValuelessType()))
- {
- closureState.mConstLocals.push_back(*outerLocal);
- continue;
- }
- BfClosureCapturedEntry capturedEntry;
- auto capturedType = outerLocal->mResolvedType;
- bool captureByRef = false;
- BfCaptureInfo::Entry* captureInfoEntry = NULL;
- auto captureType = _GetCaptureType(localVar->mName, &captureInfoEntry);
- if (captureType == BfCaptureType_None)
- {
- continue;
- }
- if (!capturedType->IsRef())
- {
- if (captureType == BfCaptureType_Reference)
- {
- if ((localVar->mIsThis) && (!localVar->mResolvedType->IsValueType()))
- {
- // Just ignore attempting to capture referencetype 'this' by reference
- }
- else
- captureByRef = true;
- }
- else if (captureType == BfCaptureType_Auto)
- {
- if (localVar->mWrittenToId >= closureState.mCaptureStartAccessId)
- captureByRef = true;
- else if ((outerLocal->mResolvedType->mSize > 8) ||
- ((localVar->mIsThis) && (outerLocal->mResolvedType->IsValueType())))
- {
- // Capture "large" values by reference
- captureByRef = true;
- }
- }
- }
- else
- {
- bool allowRef = false;
- if (captureType == BfCaptureType_Reference)
- allowRef = true;
- else if (captureType == BfCaptureType_Auto)
- allowRef = localVar->mWrittenToId < closureState.mCaptureStartAccessId;
- if (!allowRef)
- {
- capturedType = ((BfRefType*)capturedType)->mElementType;
- }
- }
- if (captureByRef)
- {
- capturedType = mModule->CreateRefType(capturedType);
- }
- if (captureType != BfCaptureType_Copy)
- capturedEntry.mExplicitlyByReference = true;
- capturedEntry.mType = capturedType;
- capturedEntry.mNameNode = outerLocal->mNameNode;
- if (outerLocal->mName == "this")
- capturedEntry.mName = "__this";
- else
- {
- capturedEntry.mName = outerLocal->mName;
- BfLocalVarEntry* entry = NULL;
- if (varMethodState->mLocalVarSet.TryGetWith<StringImpl&>(capturedEntry.mName, &entry))
- {
- auto startCheckVar = entry->mLocalVar;
- int shadowIdx = 0;
- auto checkVar = startCheckVar;
- while (checkVar != NULL)
- {
- if (checkVar == outerLocal)
- {
- // We only use mShadowIdx when we have duplicate name nodes (ie: in the case of for looks with iterator vs value)
- auto shadowCheckVar = startCheckVar;
- while (shadowCheckVar != checkVar)
- {
- if (shadowCheckVar->mNameNode == checkVar->mNameNode)
- capturedEntry.mShadowIdx++;
- shadowCheckVar = shadowCheckVar->mShadowedLocal;
- }
- for (int i = 0; i < shadowIdx; i++)
- capturedEntry.mName.Insert(0, '@');
- break;
- }
- shadowIdx++;
- checkVar = checkVar->mShadowedLocal;
- }
- }
- }
- capturedEntries.Add(capturedEntry);
- }
- }
- varMethodState = varMethodState->mPrevMethodState;
- if (varMethodState == NULL)
- break;
- if (varMethodState->mMixinState != NULL)
- break;
- if (varMethodState->mClosureState != NULL)
- {
- if (!varMethodState->mClosureState->mCapturing)
- break;
- }
- }
- }
- for (auto& captureEntry : allocTarget.mCaptureInfo->mCaptures)
- {
- if ((!captureEntry.mUsed) && (captureEntry.mNameNode != NULL))
- mModule->Warn(0, "Capture specifier not used", captureEntry.mNameNode);
- }
- for (auto copyField : closureState.mReferencedOuterClosureMembers)
- {
- auto fieldDef = copyField->GetFieldDef();
- auto captureType = _GetCaptureType(fieldDef->mName);
- BfClosureCapturedEntry capturedEntry;
- capturedEntry.mName = fieldDef->mName;
- capturedEntry.mType = copyField->mResolvedType;
- if ((captureType != BfCaptureType_Copy) && (capturedEntry.mType->IsRef()))
- {
- capturedEntry.mExplicitlyByReference = true;
- }
- else if ((captureType == BfCaptureType_Copy) && (capturedEntry.mType->IsRef()))
- {
- auto refType = (BfRefType*)capturedEntry.mType;
- capturedEntry.mType = refType->mElementType;
- }
- else if ((captureType != BfCaptureType_Copy) && (!capturedEntry.mType->IsRef()) && (!fieldDef->mIsReadOnly))
- {
- capturedEntry.mType = mModule->CreateRefType(capturedEntry.mType);
- }
- }
- std::sort(capturedEntries.begin(), capturedEntries.end());
- bool hasCapture = false;
- BfMethodInstanceGroup methodInstanceGroup;
- methodInstanceGroup.mOwner = mModule->mCurTypeInstance;
- methodInstanceGroup.mOnDemandKind = BfMethodOnDemandKind_AlwaysInclude;
- BfMethodInstance* methodInstance = new BfMethodInstance();
- methodInstance->mMethodInstanceGroup = &methodInstanceGroup;
- methodInstance->GetMethodInfoEx()->mClosureInstanceInfo = closureInstanceInfo;
- if (invokeMethodInstance != NULL)
- methodInstance->mParams = invokeMethodInstance->mParams;
- methodInstance->mIsClosure = true;
- // We want the closure ID to match between hot reloads -- otherwise we wouldn't be able to modify them,
- // so we use the charId from the 'fat arrow' token
- int closureId = 0;
- if (lambdaBindExpr->mFatArrowToken != NULL)
- closureId = lambdaBindExpr->mFatArrowToken->GetStartCharId();
- auto curProject = mModule->mCurTypeInstance->mTypeDef->mProject;
- BF_ASSERT(curProject != NULL);
- // We need to make these per-project even though you'd think we might not because we
- // insert generic type specializations in the generic definition's project,
- // BECAUSE: we would need to scan the captured fields the same way we scan the
- // generic arguments to determine if each project can see it or not in the vdata
- BfTypeInstance* useTypeInstance = delegateTypeInstance;
- BfClosureType* closureTypeInst = NULL;
- // If we are allowing hot swapping we may add a capture later. We also need an equal method that ignores 'target' even when we're capturing ourself
- if ((capturedEntries.size() != 0) || (lambdaBindExpr->mDtor != NULL) || (copyOuterCaptures) || (mModule->mCompiler->mOptions.mAllowHotSwapping) || (closureState.mCapturedDelegateSelf))
- {
- hashCtx.MixinStr(curProject->mName);
- if (copyOuterCaptures)
- {
- hashCtx.Mixin(outerClosure->mTypeId);
- }
- for (auto& capturedEntry : capturedEntries)
- {
- hashCtx.Mixin(capturedEntry.mType->mTypeId);
- hashCtx.MixinStr(capturedEntry.mName);
- hashCtx.Mixin(capturedEntry.mExplicitlyByReference);
- }
- if (lambdaBindExpr->mDtor != NULL)
- {
- // Has DTOR thunk
- bool hasDtorThunk = true;
- hashCtx.Mixin(hasDtorThunk);
- }
- Val128 hash128 = hashCtx.Finish128();
- BfClosureType* checkClosureType = new BfClosureType(delegateTypeInstance, hash128);
- checkClosureType->mContext = mModule->mContext;
- checkClosureType->mBaseType = delegateTypeInstance;
- BfType* resolvedClosureType = mModule->ResolveType(checkClosureType, BfPopulateType_TypeDef);
- closureTypeInst = (BfClosureType*)resolvedClosureType;
- if (checkClosureType == resolvedClosureType)
- {
- // This is a new closure type
- closureTypeInst->Init(curProject);
- closureTypeInst->mTypeDef->mProject = curProject;
- auto delegateDirectTypeRef = BfAstNode::ZeroedAlloc<BfDirectTypeDefReference>();
- delegateDirectTypeRef->Init(mModule->mCompiler->mDelegateTypeDef);
- closureTypeInst->mDirectAllocNodes.push_back(delegateDirectTypeRef);
- BfMethodDef* methodDef = BfDefBuilder::AddMethod(closureTypeInst->mTypeDef, BfMethodType_Normal, BfProtection_Public, false, "Equals");
- methodDef->mReturnTypeRef = mModule->mSystem->mDirectBoolTypeRef;
- BfDefBuilder::AddParam(methodDef, delegateDirectTypeRef, "val");
- methodDef->mIsVirtual = true;
- methodDef->mIsOverride = true;
- if (copyOuterCaptures)
- {
- for (auto& fieldInstance : outerClosure->mFieldInstances)
- {
- BfFieldDef* origFieldDef = fieldInstance.GetFieldDef();
- BfFieldDef* fieldDef = closureTypeInst->AddField(fieldInstance.mResolvedType, origFieldDef->mName);
- fieldDef->mIsReadOnly = origFieldDef->mIsReadOnly;
- }
- }
- for (auto& capturedEntry : capturedEntries)
- {
- BfFieldDef* fieldDef = closureTypeInst->AddField(capturedEntry.mType, capturedEntry.mName);
- if (!capturedEntry.mExplicitlyByReference)
- fieldDef->mIsReadOnly = true;
- }
- if (lambdaBindExpr->mDtor != NULL)
- {
- auto dtorDef = closureTypeInst->AddDtor();
- auto voidType = mModule->GetPrimitiveType(BfTypeCode_None);
- auto voidPtrType = mModule->CreatePointerType(voidType);
- closureTypeInst->AddField(voidPtrType, "__dtorThunk");
- }
- closureTypeInst->Finish();
- }
- else
- {
- // Already had this entry
- delete checkClosureType;
- }
- useTypeInstance = closureTypeInst;
- }
- mModule->mBfIRBuilder->PopulateType(useTypeInstance);
- mModule->PopulateType(useTypeInstance);
- methodDef->mIsStatic = closureTypeInst == NULL;
- SizedArray<BfIRType, 8> origParamTypes;
- BfIRType origReturnType;
- bool forceStatic = false;
- if (invokeMethodInstance != NULL)
- {
- forceStatic = methodDef->mIsStatic;
- auto invokeFunctionType = mModule->mBfIRBuilder->MapMethod(invokeMethodInstance);
- invokeMethodInstance->GetIRFunctionInfo(mModule, origReturnType, origParamTypes, forceStatic);
- }
- else
- {
- origReturnType = mModule->mBfIRBuilder->MapType(mModule->GetPrimitiveType(BfTypeCode_None));
- }
- SizedArray<BfIRType, 3> newTypes;
- if ((invokeMethodInstance != NULL) && (GetStructRetIdx(invokeMethodInstance, forceStatic) == 0))
- newTypes.push_back(origParamTypes[0]);
- if (!methodDef->mIsStatic)
- newTypes.push_back(mModule->mBfIRBuilder->MapType(useTypeInstance));
- if ((invokeMethodInstance != NULL) && (GetStructRetIdx(invokeMethodInstance, forceStatic) == 1))
- newTypes.push_back(origParamTypes[1]);
- int paramStartIdx = 0;
- if ((invokeMethodInstance != NULL) && (GetStructRetIdx(invokeMethodInstance, forceStatic) != -1))
- paramStartIdx++;
- if (!methodDef->mIsStatic)
- paramStartIdx++;
- for (int i = paramStartIdx; i < (int)origParamTypes.size(); i++)
- newTypes.push_back(origParamTypes[i]);
- auto closureFuncType = mModule->mBfIRBuilder->CreateFunctionType(origReturnType, newTypes, false);
- prevMethodState.Restore();
- mModule->mBfIRBuilder->SetActiveFunction(prevActiveFunction);
- if ((prevInsertBlock) && (!prevInsertBlock.IsFake()))
- mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
- // Just a check
- mModule->mBfIRBuilder->GetInsertBlock();
- //auto rootMethodState = mModule->mCurMethodState;
- HashContext closureHashCtx;
- closureHashCtx.Mixin(closureId);
- // When we're a nested lambda, strip off the outer hash and closureTypeInst markers
- methodDef->mName = mModule->mCurMethodInstance->mMethodDef->mName;
- int prevSepPos = (int)methodDef->mName.LastIndexOf('$');
- if (prevSepPos != -1)
- {
- closureHashCtx.Mixin(methodDef->mName.c_str() + prevSepPos, (int)methodDef->mName.length() - prevSepPos);
- methodDef->mName.RemoveToEnd(prevSepPos);
- }
- // Mix in this because this can be emitted multiple times when there's multiple ctors and field initializers with lambdas
- if (mModule->mCurMethodInstance->mMethodDef->mMethodType == BfMethodType_Ctor)
- {
- if (auto ctorDecl = BfNodeDynCast<BfConstructorDeclaration>(mModule->mCurMethodInstance->mMethodDef->mMethodDeclaration))
- {
- if (ctorDecl->mThisToken != NULL)
- closureHashCtx.Mixin(ctorDecl->mThisToken->GetStartCharId());
- }
- }
- auto checkMethodState = mModule->mCurMethodState;
- while (checkMethodState != NULL)
- {
- if (checkMethodState->mMethodInstance != NULL)
- {
- if (checkMethodState->mMethodInstance->mMethodInfoEx != NULL)
- {
- for (auto methodGenericArg : checkMethodState->mMethodInstance->mMethodInfoEx->mMethodGenericArguments)
- {
- StringT<128> genericTypeName;
- BfMangler::Mangle(genericTypeName, mModule->mCompiler->GetMangleKind(), methodGenericArg);
- closureHashCtx.MixinStr(genericTypeName);
- }
- }
- }
- checkMethodState = checkMethodState->mPrevMethodState;
- }
- uint64 closureHash = closureHashCtx.Finish64();
- methodDef->mName += "$";
- methodDef->mName += BfTypeUtils::HashEncode64(closureHash);
- methodInstance->mMethodDef = methodDef;
- if (invokeMethodInstance != NULL)
- {
- methodInstance->mParams = invokeMethodInstance->mParams;
- methodInstance->mReturnType = invokeMethodInstance->mReturnType;
- }
- else
- methodInstance->mReturnType = mModule->GetPrimitiveType(BfTypeCode_None);
- StringT<128> closureFuncName;
- BfMangler::Mangle(closureFuncName, mModule->mCompiler->GetMangleKind(), methodInstance);
- auto closureFunc = mModule->mBfIRBuilder->CreateFunction(closureFuncType, BfIRLinkageType_External, closureFuncName);
- methodInstance->mIRFunction = closureFunc;
- if (methodInstance->mIsReified)
- mModule->CheckHotMethod(methodInstance, closureFuncName);
- if ((methodInstance->mHotMethod != NULL) && (mModule->mCurMethodState->mHotDataReferenceBuilder))
- mModule->mCurMethodState->mHotDataReferenceBuilder->mInnerMethods.Add(methodInstance->mHotMethod);
- methodState.Reset();
- lambdaInstance = new BfLambdaInstance();
- rootMethodState->mLambdaCache[cacheNodeList] = lambdaInstance;
- lambdaInstance->mDelegateTypeInstance = delegateTypeInstance;
- lambdaInstance->mUseTypeInstance = useTypeInstance;
- lambdaInstance->mClosureTypeInstance = closureTypeInst;
- lambdaInstance->mOuterClosure = outerClosure;
- lambdaInstance->mCopyOuterCaptures = copyOuterCaptures;
- lambdaInstance->mDeclaringMethodIsMutating = mModule->mCurMethodInstance->mMethodDef->mIsMutating;
- lambdaInstance->mIsStatic = methodDef->mIsStatic;
- lambdaInstance->mClosureFunc = closureFunc;
- lambdaInstance->mMethodInstance = methodInstance;
- lambdaInstance->mConstLocals = closureState.mConstLocals;
- lambdaInstance->mParamDecls = tempParamDecls;
- lambdaInstance->mDeclMixinState = mModule->mCurMethodState->mMixinState;
- if (lambdaInstance->mDeclMixinState != NULL)
- lambdaInstance->mDeclMixinState->mHasDeferredUsage = true;
- tempParamDecls.ClearWithoutDeleting();
- closureState.mCapturing = false;
- closureState.mClosureType = useTypeInstance;
- closureInstanceInfo->mThisOverride = useTypeInstance;
- mModule->mIncompleteMethodCount++;
- SetAndRestoreValue<BfClosureState*> prevClosureState(mModule->mCurMethodState->mClosureState, &closureState);
- if (mModule->HasExecutedOutput())
- mModule->SetupIRMethod(methodInstance, methodInstance->mIRFunction, methodInstance->mAlwaysInline);
- // This keeps us from giving errors twice. ProcessMethod can give errors when we capture by value but needed to
- // capture by reference, so we still need to do it for resolve-only
- bool processMethods = (mModule->mCompiler->GetAutoComplete() == NULL) && !mModule->mHadBuildError;
- mModule->mBfIRBuilder->SaveDebugLocation();
- //
- {
- BfGetSymbolReferenceKind prevSymbolRefKind = BfGetSymbolReferenceKind_None;
- if (mModule->mCompiler->mResolvePassData != NULL)
- {
- prevSymbolRefKind = mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind;
- mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind = BfGetSymbolReferenceKind_None;
- }
- if (processMethods)
- {
- // If we are in an always-ignored block, we will have mIgnoreWrites set
- // SetAndRestoreValue<bool> prevWantsIgnoreWrite(mModule->mWantsIRIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites);
- // mModule->ProcessMethod(methodInstance);
- }
- if (mModule->mCompiler->mResolvePassData != NULL)
- mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind = prevSymbolRefKind;
- }
- mModule->mBfIRBuilder->RestoreDebugLocation();
- if (mModule->IsSkippingExtraResolveChecks())
- closureFunc = BfIRFunction();
- BfIRFunction dtorFunc;
- if (lambdaBindExpr->mDtor != NULL)
- {
- SizedArray<BfIRType, 1> newTypes;
- newTypes.push_back(mModule->mBfIRBuilder->MapType(useTypeInstance));
- auto voidType = mModule->GetPrimitiveType(BfTypeCode_None);
- auto dtorFuncType = mModule->mBfIRBuilder->CreateFunctionType(mModule->mBfIRBuilder->MapType(voidType), newTypes, false);
- BfMethodDef* dtorMethodDef = new BfMethodDef();
- dtorMethodDef->mDeclaringType = mModule->mCurMethodInstance->mMethodDef->mDeclaringType;
- dtorMethodDef->mName = "~this$";
- dtorMethodDef->mName += methodDef->mName;
- dtorMethodDef->mMethodType = BfMethodType_Normal;
- dtorMethodDef->mBody = lambdaBindExpr->mDtor;
- dtorMethodDef->mIdx = mModule->mCurMethodInstance->mMethodDef->mIdx;
- BfMethodInstance* dtorMethodInstance = new BfMethodInstance();
- dtorMethodInstance->mMethodDef = dtorMethodDef;
- dtorMethodInstance->mReturnType = mModule->GetPrimitiveType(BfTypeCode_None);
- dtorMethodInstance->mMethodInstanceGroup = &methodInstanceGroup;
- StringT<128> dtorMangledName;
- BfMangler::Mangle(dtorMangledName, mModule->mCompiler->GetMangleKind(), dtorMethodInstance);
- dtorFunc = mModule->mBfIRBuilder->CreateFunction(dtorFuncType, BfIRLinkageType_External, dtorMangledName);
- mModule->SetupIRMethod(NULL, dtorFunc, false);
- dtorMethodInstance->mIRFunction = dtorFunc;
- mModule->mIncompleteMethodCount++;
- mModule->mBfIRBuilder->SaveDebugLocation();
- //
- if (processMethods)
- {
- // If we are in an always-ignored block, we will have mIgnoreWrites set
- // SetAndRestoreValue<bool> prevWantsIgnoreWrite(mModule->mWantsIRIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites);
- // mModule->ProcessMethod(dtorMethodInstance);
- }
- mModule->mBfIRBuilder->RestoreDebugLocation();
- if (mModule->IsSkippingExtraResolveChecks())
- dtorFunc = BfIRFunction();
- if (dtorMethodInstance->mIsReified)
- mModule->CheckHotMethod(dtorMethodInstance, dtorMangledName);
- if ((dtorMethodInstance->mHotMethod != NULL) && (mModule->mCurMethodState->mHotDataReferenceBuilder))
- mModule->mCurMethodState->mHotDataReferenceBuilder->mInnerMethods.Add(dtorMethodInstance->mHotMethod);
- lambdaInstance->mDtorMethodInstance = dtorMethodInstance;
- lambdaInstance->mDtorFunc = dtorFunc;
- dtorMethodInstance->mMethodInstanceGroup = NULL;
- }
- prevClosureState.Restore();
- if ((prevInsertBlock) && (!prevInsertBlock.IsFake()))
- mModule->mBfIRBuilder->SetInsertPoint(prevInsertBlock);
- for (auto& capturedEntry : capturedEntries)
- {
- BfLambdaCaptureInfo lambdaCapture;
- if (capturedEntry.mName == "__this")
- lambdaCapture.mName = "this";
- else
- lambdaCapture.mName = capturedEntry.mName;
- lambdaInstance->mCaptures.Add(lambdaCapture);
- closureInstanceInfo->mCaptureEntries.Add(capturedEntry);
- }
- if (processMethods)
- rootMethodState->mDeferredLambdaInstances.Add(lambdaInstance);
- methodInstance->mMethodInstanceGroup = NULL;
- return lambdaInstance;
- }
- void BfExprEvaluator::Visit(BfLambdaBindExpression* lambdaBindExpr)
- {
- BfTokenNode* newToken = NULL;
- BfCaptureInfo captureInfo;
- BfAllocTarget allocTarget;
- allocTarget.mCaptureInfo = &captureInfo;
- ResolveAllocTarget(allocTarget, lambdaBindExpr->mNewToken, newToken);
- if (mModule->mCurMethodInstance == NULL)
- mModule->Fail("Invalid use of lambda bind expression", lambdaBindExpr);
- if (((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mBlindCapturing)) ||
- (mModule->mCurMethodInstance == NULL))
- {
- // We're just capturing. We just need to visit the bodies here. This helps infinite recursion with local methods containing lambdas calling each other
- if (lambdaBindExpr->mBody != NULL)
- mModule->VisitChild(lambdaBindExpr->mBody);
- if ((lambdaBindExpr->mDtor != NULL) && (lambdaBindExpr->mDtor->mBody != NULL))
- mModule->VisitChild(lambdaBindExpr->mDtor->mBody);
- return;
- }
- BfLambdaInstance* lambdaInstance = GetLambdaInstance(lambdaBindExpr, allocTarget);
- if (lambdaInstance == NULL)
- return;
- BfTypeInstance* delegateTypeInstance = lambdaInstance->mDelegateTypeInstance;
- BfTypeInstance* useTypeInstance = lambdaInstance->mUseTypeInstance;
- BfTypeInstance* closureTypeInst = lambdaInstance->mClosureTypeInstance;
- mResult = BfTypedValue(mModule->AllocFromType(useTypeInstance, allocTarget, BfIRValue(), BfIRValue(), 0, BfAllocFlags_None), useTypeInstance);
- if (!delegateTypeInstance->IsDelegate())
- {
- mModule->AssertErrorState();
- return;
- }
- auto baseDelegateType = VerifyBaseDelegateType(delegateTypeInstance->mBaseType);
- if (baseDelegateType == NULL)
- {
- mModule->Fail("Invalid delegate type", lambdaBindExpr);
- return;
- }
- mModule->PopulateType(baseDelegateType);
- auto& funcPtrField = baseDelegateType->mFieldInstances[0];
- auto& targetField = baseDelegateType->mFieldInstances[1];
- auto baseDelegate = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapType(baseDelegateType));
- // >> delegate.mTarget = bindResult.mTarget
- auto nullPtrType = mModule->GetPrimitiveType(BfTypeCode_NullPtr);
- BfIRValue valPtr;
- if (!lambdaInstance->mIsStatic)
- valPtr = mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapType(nullPtrType));
- else
- valPtr = mModule->GetDefaultValue(nullPtrType);
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(baseDelegate, 0, targetField.mDataIdx);
- mModule->mBfIRBuilder->CreateAlignedStore(valPtr, fieldPtr, targetField.mResolvedType->mAlign);
- // >> delegate.mFuncPtr = bindResult.mFunc
- if (lambdaInstance->mClosureFunc)
- {
- auto nullPtrType = mModule->GetPrimitiveType(BfTypeCode_NullPtr);
- auto valPtr = mModule->mBfIRBuilder->CreateBitCast(lambdaInstance->mClosureFunc, mModule->mBfIRBuilder->MapType(nullPtrType));
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(baseDelegate, 0, funcPtrField.mDataIdx);
- mModule->mBfIRBuilder->CreateAlignedStore(valPtr, fieldPtr, funcPtrField.mResolvedType->mAlign);
- }
- mModule->AddDependency(useTypeInstance, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
- // Copy captures into the delegate
- if (lambdaInstance->mClosureTypeInstance != NULL)
- {
- int fieldIdx = 0;
- if (lambdaInstance->mCopyOuterCaptures)
- {
- for (auto& fieldInstance : lambdaInstance->mOuterClosure->mFieldInstances)
- {
- if (!fieldInstance.mResolvedType->IsValuelessType())
- {
- BF_ASSERT(fieldInstance.mDataIdx == fieldIdx + 1);
- auto localVar = mModule->mCurMethodState->mLocals[0];
- auto capturedValue = mModule->mBfIRBuilder->CreateInBoundsGEP(localVar->mValue, 0, fieldInstance.mDataIdx);
- capturedValue = mModule->mBfIRBuilder->CreateAlignedLoad(capturedValue, fieldInstance.mResolvedType->mAlign);
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, fieldInstance.mDataIdx);
- mModule->mBfIRBuilder->CreateStore(capturedValue, fieldPtr);
- fieldIdx++;
- }
- }
- }
- int captureIdx = 0;
- for (int captureIdx = 0; captureIdx < (int)lambdaInstance->mCaptures.size(); captureIdx++)
- {
- auto& capturedEntry = lambdaInstance->mCaptures[captureIdx];
- auto& closureCaptureEntry = lambdaInstance->mMethodInstance->mMethodInfoEx->mClosureInstanceInfo->mCaptureEntries[captureIdx];
- BfIdentifierNode* identifierNode = closureCaptureEntry.mNameNode;
- BfIRValue capturedValue;
- auto fieldInstance = &closureTypeInst->mFieldInstances[fieldIdx];
- BfTypedValue capturedTypedVal;
- if (identifierNode != NULL)
- capturedTypedVal = DoImplicitArgCapture(NULL, identifierNode, closureCaptureEntry.mShadowIdx);
- else
- capturedTypedVal = LookupIdentifier(NULL, capturedEntry.mName);
- if (!fieldInstance->mResolvedType->IsRef())
- capturedTypedVal = mModule->LoadOrAggregateValue(capturedTypedVal);
- else if (!capturedTypedVal.IsAddr())
- capturedTypedVal = mModule->MakeAddressable(capturedTypedVal, false, true);
- capturedValue = capturedTypedVal.mValue;
- if (capturedValue)
- {
- if (!IsVar(capturedTypedVal.mType))
- {
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, fieldInstance->mDataIdx);
- mModule->mBfIRBuilder->CreateAlignedStore(capturedValue, fieldPtr, fieldInstance->mResolvedType->mAlign);
- }
- }
- else
- {
- mModule->Fail(StrFormat("Unable to capture '%s'", capturedEntry.mName.c_str()), lambdaBindExpr);
- mModule->AssertErrorState();
- }
- fieldIdx++;
- }
- if (lambdaInstance->mDtorFunc)
- {
- auto fieldPtr = mModule->mBfIRBuilder->CreateInBoundsGEP(mResult.mValue, 0, closureTypeInst->mFieldInstances[fieldIdx].mDataIdx);
- auto voidType = mModule->GetPrimitiveType(BfTypeCode_None);
- auto voidPtrType = mModule->CreatePointerType(voidType);
- auto dtorThunk = mModule->mBfIRBuilder->CreateBitCast(lambdaInstance->mDtorFunc, mModule->mBfIRBuilder->MapType(voidPtrType));
- mModule->mBfIRBuilder->CreateAlignedStore(dtorThunk, fieldPtr, mModule->mSystem->mPtrSize);
- fieldIdx++;
- }
- }
- }
- void BfExprEvaluator::ProcessArrayInitializer(BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken, int dimensions, SizedArrayImpl<int64>& dimLengths, int dim, bool& hasFailed)
- {
- bool setSize = false;
- if (dim == dimLengths.size())
- {
- dimLengths.push_back((int)valueExprs.size());
- setSize = true;
- }
- else if (dimLengths[dim] == -1)
- {
- dimLengths[dim] = (int)valueExprs.size();
- setSize = true;
- }
- int64 initCountDiff = (int)valueExprs.size() - dimLengths[dim];
- if ((dimLengths[dim] != -1) && (initCountDiff != 0) && (!hasFailed))
- {
- if (initCountDiff > 0)
- {
- mModule->Fail(StrFormat("Too many initializers, expected %d fewer", initCountDiff), valueExprs[(int)dimLengths[dim]]);
- hasFailed = true;
- }
- else
- {
- // If it ends with ", ?) or ",)" then allow unsized
- if (((valueExprs.size() == 0) || (BfNodeDynCast<BfUninitializedExpression>(valueExprs.back()) == NULL)) &&
- (commas.size() < valueExprs.size()))
- {
- BfAstNode* refNode = closeToken;
- if ((refNode == NULL) && (mModule->mParentNodeEntry != NULL))
- refNode = mModule->mParentNodeEntry->mNode;
- mModule->Fail(StrFormat("Too few initializer, expected %d more", -initCountDiff), refNode);
- hasFailed = true;
- }
- }
- }
- for (int i = 0; i < (int)valueExprs.size(); i++)
- {
- BfExpression* expr = valueExprs[i];
- if (auto uninitExpr = BfNodeDynCast<BfUninitializedExpression>(expr))
- {
- continue;
- }
- auto innerInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(expr);
- if (dim < dimensions - 1)
- {
- if (innerInitExpr == NULL)
- {
- if (auto innerTupleExpr = BfNodeDynCast<BfTupleExpression>(expr))
- {
- ProcessArrayInitializer(innerTupleExpr->mOpenParen, innerTupleExpr->mValues, innerTupleExpr->mCommas, innerTupleExpr->mCloseParen, dimensions, dimLengths, dim + 1, hasFailed);
- }
- else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
- {
- SizedArray<BfExpression*, 1> values;
- values.Add(parenExpr->mExpression);
- SizedArray<BfTokenNode*, 1> commas;
- ProcessArrayInitializer(parenExpr->mOpenParen, values, commas, parenExpr->mCloseParen, dimensions, dimLengths, dim + 1, hasFailed);
- }
- else
- {
- hasFailed = true;
- mModule->Fail("A nested array initializer is expected", expr);
- continue;
- }
- }
- else
- ProcessArrayInitializer(innerInitExpr->mOpenBrace, innerInitExpr->mValues, innerInitExpr->mCommas, innerInitExpr->mCloseBrace, dimensions, dimLengths, dim + 1, hasFailed);
- }
- else if (innerInitExpr != NULL)
- {
- hasFailed = true;
- mModule->Fail("Unexpected nested initializer", expr);
- ProcessArrayInitializer(innerInitExpr->mOpenBrace, innerInitExpr->mValues, innerInitExpr->mCommas, innerInitExpr->mCloseBrace, dimensions, dimLengths, dim + 1, hasFailed);
- }
- else
- {
- //mModule->Fail("Expected initializer", )
- }
- }
- }
- void BfExprEvaluator::CheckObjectCreateTypeRef(BfType* expectingType, BfAstNode* afterNode)
- {
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (afterNode != NULL) && (autoComplete->mIsAutoComplete) &&
- (afterNode->IsFromParser(mModule->mCompiler->mResolvePassData->mParsers[0])) &&
- (afterNode->GetParser()->mCursorIdx == afterNode->GetSrcEnd() + 1))
- {
- BfType* expectingType = mExpectingType;
- BfTypeInstance* expectingTypeInst = NULL;
- if (mExpectingType != NULL)
- {
- expectingTypeInst = mExpectingType->ToTypeInstance();
- }
- if ((mExpectingType != NULL) && (((expectingTypeInst == NULL) || (!expectingTypeInst->mTypeDef->mIsDelegate))))
- {
- // Why were we doing this? It floods the autocomplete with every possible type
- //autoComplete->AddTopLevelTypes(NULL);
- autoComplete->mInsertStartIdx = afterNode->GetSourceData()->ToParser()->mCursorIdx;
- BF_ASSERT(autoComplete->mInsertStartIdx != -1);
- auto expectingType = mExpectingType;
- while (expectingType->IsArray())
- {
- auto arrayType = (BfArrayType*)expectingType;
- expectingType = arrayType->mGenericTypeInfo->mTypeGenericArguments[0];
- }
-
- auto expectingTypeInst = expectingType->ToTypeInstance();
- if (expectingTypeInst != NULL)
- {
- if (!expectingTypeInst->IsAnonymous())
- autoComplete->AddTypeInstanceEntry(expectingTypeInst);
- }
- else
- autoComplete->mDefaultSelection = mModule->TypeToString(expectingType);
- }
- }
- }
- void BfExprEvaluator::Visit(BfObjectCreateExpression* objCreateExpr)
- {
- CreateObject(objCreateExpr, objCreateExpr->mNewNode, NULL, NULL);
- }
- void BfExprEvaluator::CreateObject(BfObjectCreateExpression* objCreateExpr, BfAstNode* allocNode, BfType* wantAllocType, BfInlineTypeReference* inlineTypeRef)
- {
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (objCreateExpr != NULL) && (objCreateExpr->mTypeRef != NULL))
- {
- autoComplete->CheckTypeRef(objCreateExpr->mTypeRef, false, true);
- }
-
- if ((autoComplete != NULL) && (objCreateExpr != NULL) && (objCreateExpr->mOpenToken != NULL) && (objCreateExpr->mCloseToken != NULL) &&
- (objCreateExpr->mOpenToken->mToken == BfToken_LBrace) && (autoComplete->CheckFixit(objCreateExpr->mOpenToken)))
- {
- auto refNode = objCreateExpr->mOpenToken;
- BfParserData* parser = refNode->GetSourceData()->ToParserData();
- if (parser != NULL)
- {
- autoComplete->AddEntry(AutoCompleteEntry("fixit", StrFormat("Change initializer braces to parentheses\treformat|%s|%d-1|(\x01|%s|%d-1|)",
- parser->mFileName.c_str(), refNode->mSrcStart,
- parser->mFileName.c_str(), objCreateExpr->mCloseToken->mSrcStart).c_str()));
- }
- }
- BfMethodGenericArguments methodGenericArguments;
- if ((objCreateExpr != NULL) && (objCreateExpr->mCtorExplicit != NULL) && (objCreateExpr->mCtorExplicit->mGenericArgs != NULL))
- methodGenericArguments.mArguments = &objCreateExpr->mCtorExplicit->mGenericArgs->mGenericArgs;
- CheckObjectCreateTypeRef(mExpectingType, allocNode);
- BfAttributeState attributeState;
- attributeState.mTarget = BfAttributeTargets_Alloc;
- SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
- BfTokenNode* newToken = NULL;
- BfAllocTarget allocTarget;
- ResolveAllocTarget(allocTarget, allocNode, newToken, &attributeState.mCustomAttributes);
- bool isStructAlloc = newToken == NULL;
- bool isScopeAlloc = (newToken != NULL) && (newToken->GetToken() == BfToken_Scope);
- bool isAppendAlloc = (newToken != NULL) && (newToken->GetToken() == BfToken_Append);
- bool isStackAlloc = (isScopeAlloc) || (isStructAlloc);
- bool isArrayAlloc = false;// (objCreateExpr->mArraySizeSpecifier != NULL);
- bool isRawArrayAlloc = (objCreateExpr != NULL) && (objCreateExpr->mStarToken != NULL);
- if ((objCreateExpr != NULL) && (objCreateExpr->mCtorExplicit != NULL) && (objCreateExpr->mCtorExplicit->mThisToken != NULL))
- {
- mModule->SetElementType(objCreateExpr->mCtorExplicit->mThisToken, BfSourceElementType_Method);
- }
- if (isScopeAlloc)
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_FieldInitializer) != 0)
- {
- mModule->Warn(0, "This allocation will only be in scope during the constructor. Consider using a longer-term allocation such as 'new'", allocNode);
- }
- if (allocNode == newToken) // Scope, no target specified
- {
- if (mModule->mParentNodeEntry != NULL)
- {
- if (auto assignExpr = BfNodeDynCastExact<BfAssignmentExpression>(mModule->mParentNodeEntry->mNode))
- {
- if (mModule->mCurMethodState->mCurScope->mCloseNode == NULL)
- {
- // If we are assigning this to a property then it's possible the property setter can actually deal with a temporary allocation so no warning in that case
- if ((mBfEvalExprFlags & BfEvalExprFlags_PendingPropSet) == 0)
- mModule->Warn(0, "This allocation will immediately go out of scope. Consider specifying a wider scope target such as 'scope::'", allocNode);
- }
- }
- }
- }
- }
- BfAutoParentNodeEntry autoParentNodeEntry(mModule, objCreateExpr);
- SizedArray<BfAstNode*, 2> dimLengthRefs;
- SizedArray<BfIRValue, 2> dimLengthVals;
- BfArrayType* arrayType = NULL;
- BfType* unresolvedTypeRef = NULL;
- BfType* resolvedTypeRef = NULL;
- if (wantAllocType != NULL)
- {
- unresolvedTypeRef = wantAllocType;
- resolvedTypeRef = wantAllocType;
- }
- else if (objCreateExpr->mTypeRef == NULL)
- {
- if ((!mExpectingType) || (!mExpectingType->IsArray()))
- {
- mModule->Fail("Cannot imply array type. Explicitly state array type or use array in an assignment to an array type.", objCreateExpr);
- resolvedTypeRef = mModule->mContext->mBfObjectType;
- unresolvedTypeRef = resolvedTypeRef;
- }
- else
- {
- auto arrayType = (BfArrayType*)mExpectingType;
- unresolvedTypeRef = arrayType->GetUnderlyingType();
- resolvedTypeRef = unresolvedTypeRef;
- }
- }
- else
- {
- if ((objCreateExpr->mTypeRef->IsExact<BfDotTypeReference>()) && (mExpectingType != NULL))
- {
- //mModule->SetElementType(objCreateExpr->mTypeRef, BfSourceElementType_TypeRef);
- if ((mExpectingType->IsObject()) || (mExpectingType->IsGenericParam()))
- {
- unresolvedTypeRef = mExpectingType;
- if (unresolvedTypeRef->IsArray())
- {
- arrayType = (BfArrayType*)unresolvedTypeRef;
- unresolvedTypeRef = unresolvedTypeRef->GetUnderlyingType();
- isArrayAlloc = true;
- }
- }
- else if (mExpectingType->IsPointer())
- {
- unresolvedTypeRef = mExpectingType->GetUnderlyingType();
- }
- else if (mExpectingType->IsStruct())
- {
- unresolvedTypeRef = mExpectingType;
- }
- else if (mExpectingType->IsVar())
- unresolvedTypeRef = mExpectingType;
- }
- if (unresolvedTypeRef == NULL)
- {
- if (auto arrayTypeRef = BfNodeDynCast<BfArrayTypeRef>(objCreateExpr->mTypeRef))
- {
- isArrayAlloc = true;
- if (auto dotTypeRef = BfNodeDynCast<BfDotTypeReference>(arrayTypeRef->mElementType))
- {
- if ((mExpectingType != NULL) &&
- ((mExpectingType->IsArray()) || (mExpectingType->IsPointer()) || (mExpectingType->IsSizedArray())))
- unresolvedTypeRef = mExpectingType->GetUnderlyingType();
- }
- if (unresolvedTypeRef == NULL)
- unresolvedTypeRef = mModule->ResolveTypeRef(arrayTypeRef->mElementType);
- if (unresolvedTypeRef == NULL)
- unresolvedTypeRef = mModule->GetPrimitiveType(BfTypeCode_Var);
- int dimensions = 1;
- bool commaExpected = false;
- if (arrayTypeRef->mParams.size() != 0)
- {
- auto intType = mModule->ResolveTypeDef(mModule->mSystem->mTypeIntPtr);
- for (auto arg : arrayTypeRef->mParams)
- {
- if (auto tokenNode = BfNodeDynCastExact<BfTokenNode>(arg))
- {
- if (tokenNode->GetToken() == BfToken_Comma)
- {
- if (isRawArrayAlloc)
- {
- mModule->Fail("Sized arrays cannot be multidimensional.", tokenNode);
- continue;
- }
- dimensions++;
- if (dimensions == 5)
- {
- mModule->Fail("Too many array dimensions, consider using a jagged array.", tokenNode);
- }
- commaExpected = false;
- continue;
- }
- }
- auto expr = BfNodeDynCast<BfExpression>(arg);
- if ((isRawArrayAlloc) && (!dimLengthVals.IsEmpty()))
- {
- mModule->CreateValueFromExpression(expr, intType);
- continue;
- }
- dimLengthRefs.Add(expr);
- BfTypedValue dimLength;
- if (expr == NULL)
- {
- // Not specified
- dimLengthVals.push_back(BfIRValue());
- continue;
- }
- if (arg != NULL)
- {
- dimLength = mModule->CreateValueFromExpression(expr, intType, BfEvalExprFlags_NoCast);
- BfCastFlags castFlags = BfCastFlags_None;
- if ((dimLength) && (dimLength.mType->IsInteger()))
- {
- // Allow uint for size - just force to int
- if (!((BfPrimitiveType*)dimLength.mType)->IsSigned())
- castFlags = BfCastFlags_Explicit;
- }
- if (dimLength)
- dimLength = mModule->Cast(expr, dimLength, intType, castFlags);
- }
- if (commaExpected)
- {
- mModule->AssertErrorState();
- continue;
- }
- if (!dimLength)
- {
- dimLength = mModule->GetDefaultTypedValue(intType);
- }
- dimLengthVals.push_back(dimLength.mValue);
- commaExpected = true;
- }
- }
- if ((arrayTypeRef->mParams.size() == 0) && (objCreateExpr->mOpenToken == NULL))
- mModule->Fail("Array size or array initializer expected", arrayTypeRef->mOpenBracket);
- if (dimensions > 4)
- dimensions = 4;
- if ((!isRawArrayAlloc) && (!unresolvedTypeRef->IsVar()))
- arrayType = mModule->CreateArrayType(unresolvedTypeRef, dimensions);
- }
- if (unresolvedTypeRef == NULL)
- {
- unresolvedTypeRef = ResolveTypeRef(objCreateExpr->mTypeRef, BfPopulateType_Declaration, BfResolveTypeRefFlag_NoResolveGenericParam);
- }
- }
- resolvedTypeRef = unresolvedTypeRef;
- if ((resolvedTypeRef != NULL) && (IsVar(resolvedTypeRef)))
- resolvedTypeRef = unresolvedTypeRef;
- }
- if (inlineTypeRef != NULL)
- {
- auto inlineType = mModule->ResolveTypeRef(inlineTypeRef);
- if (inlineType != NULL)
- {
- unresolvedTypeRef = inlineType;
- resolvedTypeRef = inlineType;
- }
- }
- if (resolvedTypeRef == NULL)
- {
- unresolvedTypeRef = mModule->GetPrimitiveType(BfTypeCode_Var);
- resolvedTypeRef = unresolvedTypeRef;
- }
- auto resultType = resolvedTypeRef;
- if ((resolvedTypeRef->IsInterface()) && (!isArrayAlloc))
- {
- mModule->Fail("Cannot create an instance of an interface", objCreateExpr->mTypeRef);
- resolvedTypeRef = mModule->mContext->mBfObjectType;
- }
- BfTypeInstance* typeInstance = resolvedTypeRef->ToTypeInstance();
- int elementSize = resolvedTypeRef->mSize;
- int elementAlign = resolvedTypeRef->mAlign;
- BfIRType allocType = mModule->mBfIRBuilder->MapType(resolvedTypeRef);
- if (typeInstance != NULL)
- {
- if (!mModule->mCurTypeInstance->mResolvingVarField)
- mModule->PopulateType(typeInstance);
- if ((typeInstance->mTypeDef->mIsDelegate) && (!isArrayAlloc))
- mModule->Fail("Delegates must be constructed through delegate binding", objCreateExpr->mTypeRef);
- elementSize = BF_MAX(0, typeInstance->mInstSize);
- elementAlign = typeInstance->mInstAlign;
- allocType = mModule->mBfIRBuilder->MapTypeInst(typeInstance);
- }
- if (isAppendAlloc)
- {
- if (!mModule->mCurTypeInstance->IsObject())
- {
- mModule->Fail("Append allocations are only allowed in classes", allocNode);
- isAppendAlloc = false;
- }
- else if ((mBfEvalExprFlags & BfEvalExprFlags_VariableDeclaration) == 0)
- {
- mModule->Fail("Append allocations are only allowed as local variable initializers in constructor body", allocNode);
- isAppendAlloc = false;
- }
- else
- {
- auto methodDef = mModule->mCurMethodInstance->mMethodDef;
- if (methodDef->mMethodType == BfMethodType_CtorCalcAppend)
- {
- mModule->Fail("Append allocations are only allowed as local variable declarations in the main method body", allocNode);
- isAppendAlloc = false;
- }
- else if (!methodDef->HasAppend())
- {
- mModule->Fail("Append allocations can only be used on constructors with [AllowAppend] specified", allocNode);
- isAppendAlloc = false;
- }
- else if (methodDef->mMethodType != BfMethodType_Ctor)
- {
- mModule->Fail("Append allocations are only allowed in constructors", allocNode);
- isAppendAlloc = false;
- }
- else if (methodDef->mIsStatic)
- {
- mModule->Fail("Append allocations are only allowed in non-static constructors", allocNode);
- isAppendAlloc = false;
- }
- }
- }
- if (isArrayAlloc)
- {
- const int MAX_DIMENSIONS = 2;
- int dimensions = 1;
- if (arrayType != NULL)
- {
- dimensions = arrayType->mDimensions;
- mModule->AddDependency(arrayType, mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_Calls);
- }
- bool zeroMemory = true;
- if (objCreateExpr->mOpenToken != NULL)
- {
- if ((objCreateExpr->mArguments.size() == 1) &&
- (BfNodeDynCastExact<BfUninitializedExpression>(objCreateExpr->mArguments[0]) != NULL))
- {
- // Special case for a single "{ ? }"
- zeroMemory = false;
- }
- else
- {
- SizedArray<int64, 2> dimLengths;
- if (dimLengthVals.size() != 0)
- {
- for (int dim = 0; dim < dimensions; dim++)
- {
- BfIRValue dimLengthVal;
- if (dim < (int)dimLengthVals.size())
- dimLengthVal = dimLengthVals[dim];
- if (!dimLengthVal)
- {
- dimLengths.push_back(-1);
- continue;
- }
- auto constant = mModule->mBfIRBuilder->GetConstant(dimLengthVal);
- if ((constant != NULL) && (mModule->mBfIRBuilder->IsInt(constant->mTypeCode)))
- {
- int64 dimLength = constant->mInt64;
- if (dimLength < 0)
- {
- mModule->Fail(StrFormat("Invalid array dimension '%lld'", dimLength), dimLengthRefs[dim]);
- dimLength = -1;
- }
- dimLengths.push_back(dimLength);
- }
- else if ((constant != NULL) && (constant->mConstType == BfConstType_Undef))
- {
- dimLengths.push_back(-1);
- }
- else
- {
- mModule->Fail("A constant length is required when using an initializer", dimLengthRefs[dim]);
- dimLengths.push_back(-1);
- }
- }
- }
- // Ending in an ", )" means we need to zero-fill ending
- zeroMemory = objCreateExpr->mCommas.size() >= objCreateExpr->mArguments.size();
- bool hasFailed = false;
- ProcessArrayInitializer(objCreateExpr->mOpenToken, objCreateExpr->mArguments, objCreateExpr->mCommas, objCreateExpr->mCloseToken, dimensions, dimLengths, 0, hasFailed);
- dimLengthVals.resize(dimLengths.size());
- for (int i = 0; i < (int)dimLengthVals.size(); i++)
- {
- if (!dimLengthVals[i])
- {
- auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- dimLengthVals[i] = mModule->GetConstValue(dimLengths[i], intType);
- }
- }
- }
- }
- while ((int)dimLengthVals.size() < dimensions)
- dimLengthVals.push_back(mModule->GetConstValue(0));
- BfTypedValue arrayValue;
- BfIRValue arraySize;
- for (BfIRValue dimSize : dimLengthVals)
- {
- if (!arraySize)
- arraySize = dimSize;
- else
- arraySize = mModule->mBfIRBuilder->CreateMul(arraySize, dimSize);
- }
- BfAllocFlags allocFlags = BfAllocFlags_None;
- if (isRawArrayAlloc)
- allocFlags = (BfAllocFlags)(allocFlags | BfAllocFlags_RawArray);
- int writeIdx = 0;
- struct BfInitContext
- {
- public:
- BfModule* mModule;
- BfType* resultType;
- int dimensions;
- SizedArray<BfIRValue, 2>& dimLengthVals;
- BfIRValue arraySize;
- int& writeIdx;
- BfInitContext(BfModule* module, BfType* resultType, int dimensions, SizedArray<BfIRValue, 2>& dimLengthVals, BfIRValue arraySize, int& writeIdx) :
- mModule(module), resultType(resultType), dimensions(dimensions), dimLengthVals(dimLengthVals), arraySize(arraySize), writeIdx(writeIdx)
- {
- }
- void Handle(BfIRValue addr, int curDim, const BfSizedArray<BfExpression*>& valueExprs)
- {
- int exprIdx = 0;
- int dimWriteIdx = 0;
- bool isUninit = false;
- int dimLength = -1;
- if (dimLengthVals[curDim].IsConst())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(dimLengthVals[curDim]);
- dimLength = constant->mInt32;
- }
- while (exprIdx < (int)valueExprs.size())
- {
- auto initExpr = valueExprs[exprIdx];
- exprIdx++;
- if (!initExpr)
- break;
- if (auto unintExpr = BfNodeDynCastExact<BfUninitializedExpression>(initExpr))
- {
- isUninit = true;
- break;
- }
- if (exprIdx > dimLength)
- break;
- if (curDim < dimensions - 1)
- {
- if (auto innerTupleExpr = BfNodeDynCast<BfTupleExpression>(initExpr))
- {
- Handle(addr, curDim + 1, innerTupleExpr->mValues);
- }
- else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(initExpr))
- {
- SizedArray<BfExpression*, 1> values;
- values.Add(parenExpr->mExpression);
- Handle(addr, curDim + 1, values);
- }
- else if (auto innerInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(initExpr))
- {
- Handle(addr, curDim + 1, innerInitExpr->mValues);
- }
- dimWriteIdx++;
- continue;
- }
- BfIRValue elemAddr;
- if (!resultType->IsValuelessType())
- elemAddr = mModule->CreateIndexedValue(resultType, addr, writeIdx);
- else
- elemAddr = mModule->mBfIRBuilder->GetFakeVal();
- writeIdx++;
- dimWriteIdx++;
- BfTypedValue elemPtrTypedVal = BfTypedValue(elemAddr, resultType, BfTypedValueKind_Addr);
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mExpectingType = resultType;
- exprEvaluator.mReceivingValue = &elemPtrTypedVal;
- exprEvaluator.Evaluate(initExpr);
- exprEvaluator.GetResult();
- if (exprEvaluator.mReceivingValue == NULL)
- {
- // We wrote directly to the array in-place, we're done with this element
- continue;
- }
- auto storeValue = exprEvaluator.mResult;
- if (!storeValue)
- continue;
- storeValue = mModule->Cast(initExpr, storeValue, resultType);
- if (!storeValue)
- continue;
- if (!resultType->IsValuelessType())
- {
- storeValue = mModule->LoadOrAggregateValue(storeValue);
- mModule->mBfIRBuilder->CreateStore(storeValue.mValue, elemAddr);
- }
- }
- int clearFromIdx = writeIdx;
- int sectionElemCount = 1;
- BfIRValue numElemsLeft = arraySize;
- if (dimLength != -1)
- {
- int clearCount = dimLength - dimWriteIdx;
- if (clearCount > 0)
- {
- for (int checkDim = curDim + 1; checkDim < (int)dimLengthVals.size(); checkDim++)
- {
- if (dimLengthVals[checkDim].IsConst())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(dimLengthVals[checkDim]);
- clearCount *= constant->mInt32;
- sectionElemCount *= constant->mInt32;
- }
- }
- }
- writeIdx += clearCount;
- numElemsLeft = mModule->GetConstValue(clearCount);
- }
- // Actually leave it alone?
- if ((isUninit) &&
- ((mModule->IsOptimized()) || (mModule->mIsComptimeModule) || (mModule->mBfIRBuilder->mIgnoreWrites)))
- return;
- bool doClear = true;
- if (numElemsLeft.IsConst())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(numElemsLeft);
- doClear = constant->mInt64 > 0;
- }
- if (doClear)
- {
- // We multiply by GetStride. This relies on the fact that we over-allocate on the array allocation -- the last
- // element doesn't need to be padded out to the element alignment, but we do anyway. Otherwise this would be
- // a more complicated computation
- auto clearBytes = mModule->mBfIRBuilder->CreateMul(numElemsLeft, mModule->GetConstValue(resultType->GetStride()));
- if (isUninit)
- {
- // Limit to a reasonable number of bytes to stomp with 0xCC
- int maxStompBytes = BF_MIN(128, resultType->GetStride() * sectionElemCount);
- if (clearBytes.IsConst())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(clearBytes);
- if (constant->mInt64 > maxStompBytes)
- clearBytes = mModule->GetConstValue(maxStompBytes);
- }
- else
- {
- auto insertBlock = mModule->mBfIRBuilder->GetInsertBlock();
- auto gtBlock = mModule->mBfIRBuilder->CreateBlock("unint.gt");
- auto contBlock = mModule->mBfIRBuilder->CreateBlock("unint.cont");
- auto cmp = mModule->mBfIRBuilder->CreateCmpLTE(clearBytes, mModule->GetConstValue(maxStompBytes), true);
- mModule->mBfIRBuilder->CreateCondBr(cmp, contBlock, gtBlock);
- mModule->mBfIRBuilder->AddBlock(gtBlock);
- mModule->mBfIRBuilder->SetInsertPoint(gtBlock);
- mModule->mBfIRBuilder->CreateBr(contBlock);
- mModule->mBfIRBuilder->AddBlock(contBlock);
- mModule->mBfIRBuilder->SetInsertPoint(contBlock);
- auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(mModule->GetPrimitiveType(BfTypeCode_IntPtr)), 2);
- mModule->mBfIRBuilder->AddPhiIncoming(phi, clearBytes, insertBlock);
- mModule->mBfIRBuilder->AddPhiIncoming(phi, mModule->GetConstValue(maxStompBytes), gtBlock);
- clearBytes = phi;
- }
- }
- mModule->mBfIRBuilder->PopulateType(resultType);
- if ((!resultType->IsValuelessType()) && (!addr.IsConst()))
- {
- mModule->mBfIRBuilder->CreateMemSet(mModule->CreateIndexedValue(resultType, addr, clearFromIdx),
- mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, isUninit ? 0xCC : 0), clearBytes, resultType->mAlign);
- }
- }
- }
- };
- BfInitContext initContext(mModule, resultType, dimensions, dimLengthVals, arraySize, writeIdx);
- if (IsVar(resultType))
- {
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- mResult = BfTypedValue(BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), mModule->GetPrimitiveType(BfTypeCode_Var)));
- initContext.Handle(mResult.mValue, 0, objCreateExpr->mArguments);
- return;
- }
- if (isRawArrayAlloc)
- {
- // If we have a constant-sized alloc then make the type a pointer to the sized array, otherwise just a pointer to the raw type
- BfType* ptrType = mModule->CreatePointerType(resultType);
- if (isAppendAlloc)
- arrayValue = BfTypedValue(mModule->AppendAllocFromType(resultType, BfIRValue(), 0, arraySize, (int)dimLengthVals.size(), isRawArrayAlloc, false), ptrType);
- else
- {
- arrayValue = BfTypedValue(mModule->AllocFromType(resultType, allocTarget, BfIRValue(), arraySize, (int)dimLengthVals.size(), allocFlags, allocTarget.mAlignOverride), ptrType);
- }
- initContext.Handle(arrayValue.mValue, 0, objCreateExpr->mArguments);
- mResult = arrayValue;
- return;
- }
- if (dimLengthVals.size() > 4)
- {
- dimLengthVals.RemoveRange(4, dimLengthVals.size() - 4);
- mModule->Fail("Too many array dimensions, consider using a jagged array.", objCreateExpr);
- }
- if (arrayType == NULL)
- return;
- if (isAppendAlloc)
- arrayValue = BfTypedValue(mModule->AppendAllocFromType(resultType, BfIRValue(), 0, arraySize, (int)dimLengthVals.size(), isRawArrayAlloc, zeroMemory), arrayType);
- else
- {
- arrayValue = BfTypedValue(mModule->AllocFromType(resultType, allocTarget, BfIRValue(), arraySize, (int)dimLengthVals.size(), allocFlags, allocTarget.mAlignOverride), arrayType);
- if (isScopeAlloc)
- {
- // See notes below on "general" SkipObjectAccessCheck usage on why we can do this
- mModule->SkipObjectAccessCheck(arrayValue);
- }
- }
- //mModule->InitTypeInst(arrayValue, scopeData);
- BfAstNode* refNode = objCreateExpr->mTypeRef;
- while (true)
- {
- if (auto arrayRef = BfNodeDynCast<BfElementedTypeRef>(refNode))
- {
- refNode = arrayRef->mElementType;
- continue;
- }
- break;
- }
-
- BfResolvedArgs resolvedArgs;
- auto rawAutoComplete = mModule->mCompiler->GetAutoComplete();
- if (rawAutoComplete != NULL)
- {
- SetAndRestoreValue<bool> prevCapturing(rawAutoComplete->mIsCapturingMethodMatchInfo, false);
- MatchConstructor(refNode, objCreateExpr, arrayValue, arrayType, resolvedArgs, false, methodGenericArguments, BfAllowAppendKind_No);
- }
- else
- {
- MatchConstructor(refNode, objCreateExpr, arrayValue, arrayType, resolvedArgs, false, methodGenericArguments, BfAllowAppendKind_No);
- }
- //TODO: Assert 'length' var is at slot 1
- mModule->PopulateType(arrayType->mBaseType, BfPopulateType_DataAndMethods);
- mModule->mBfIRBuilder->PopulateType(arrayType);
- auto arrayBits = mModule->mBfIRBuilder->CreateBitCast(arrayValue.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(arrayType->mBaseType));
- int arrayLengthBitCount = arrayType->GetLengthBitCount();
- if (arrayLengthBitCount == 0)
- {
- mModule->Fail("INTERNAL ERROR: Unable to find array 'length' field", objCreateExpr);
- return;
- }
- mResult = arrayValue;
- auto lengthFieldInstance = mModule->GetFieldByName(arrayType->mBaseType->ToTypeInstance(), "mLength");
- if (lengthFieldInstance == NULL)
- return;
- auto firstElementFieldInstance = mModule->GetFieldByName(arrayType->ToTypeInstance(), "mFirstElement");
- if (firstElementFieldInstance == NULL)
- return;
- auto addr = mModule->mBfIRBuilder->CreateInBoundsGEP(arrayBits, 0, lengthFieldInstance->mDataIdx);
- if (arrayLengthBitCount == 64)
- mModule->mBfIRBuilder->CreateAlignedStore(arraySize, addr, 8);
- else
- {
- auto arraySize32 = mModule->mBfIRBuilder->CreateNumericCast(arraySize, true, BfTypeCode_Int32);
- mModule->mBfIRBuilder->CreateAlignedStore(arraySize32, addr, 4);
- }
- for (int lowerDim = 1; lowerDim < (int)dimLengthVals.size(); lowerDim++)
- {
- auto length1FieldInstance = mModule->GetFieldByName(arrayType->ToTypeInstance(), "mLength1");
- if (length1FieldInstance == NULL)
- return;
- addr = mModule->mBfIRBuilder->CreateInBoundsGEP(arrayValue.mValue, 0, length1FieldInstance->mDataIdx + lowerDim - 1);
- auto lowerDimVal = mModule->mBfIRBuilder->CreateNumericCast(dimLengthVals[lowerDim], true, (arrayLengthBitCount == 64) ? BfTypeCode_Int64 : BfTypeCode_Int32);
- mModule->mBfIRBuilder->CreateStore(lowerDimVal, addr);
- }
- if (resultType->IsValuelessType())
- addr = mModule->mBfIRBuilder->GetFakeVal();
- else
- addr = mModule->mBfIRBuilder->CreateInBoundsGEP(arrayValue.mValue, 0, firstElementFieldInstance->mDataIdx);
- initContext.Handle(addr, 0, objCreateExpr->mArguments);
- return;
- }
- else
- {
- if (resolvedTypeRef->IsVar())
- {
- // Leave as a var
- }
- else if ((!resolvedTypeRef->IsObjectOrInterface()) && (!resolvedTypeRef->IsGenericParam()))
- {
- resultType = mModule->CreatePointerType(resolvedTypeRef);
- }
- }
- if ((isStackAlloc) && (mModule->mCurMethodState == NULL))
- {
- mModule->Fail("Cannot use 'stack' here", allocNode);
- isStackAlloc = false;
- isScopeAlloc = false;
- }
- bool isGenericParam = unresolvedTypeRef->IsGenericParam();
- if (resolvedTypeRef->IsGenericParam())
- {
- BfGenericParamFlags genericParamFlags = BfGenericParamFlag_None;
- BfType* typeConstraint = NULL;
- auto genericParam = mModule->GetMergedGenericParamData((BfGenericParamType*)resolvedTypeRef, genericParamFlags, typeConstraint);
- if (typeConstraint == NULL)
- {
- if ((genericParamFlags & BfGenericParamFlag_Var) != 0)
- {
- // Allow it
- }
- else
- {
- if ((genericParamFlags & BfGenericParamFlag_New) == 0)
- {
- mModule->Fail(StrFormat("Must add 'where %s : new' constraint to generic parameter to instantiate type", genericParam->GetName().c_str()), objCreateExpr->mTypeRef);
- }
- if (objCreateExpr->mArguments.size() != 0)
- {
- mModule->Fail(StrFormat("Only default parameterless constructors can be called on generic argument '%s'", genericParam->GetName().c_str()), objCreateExpr->mTypeRef);
- }
- }
- }
- if (((typeConstraint != NULL) && (typeConstraint->IsValueType())) ||
- ((genericParamFlags & (BfGenericParamFlag_Struct | BfGenericParamFlag_StructPtr)) != 0))
- {
- resultType = mModule->CreatePointerType(resolvedTypeRef);
- }
- else if (((typeConstraint != NULL) && (!typeConstraint->IsValueType())) ||
- ((genericParamFlags & (BfGenericParamFlag_Class)) != 0))
- {
- // Leave as 'T'
- resultType = resolvedTypeRef;
- }
- else
- resultType = mModule->CreateModifiedTypeType(resolvedTypeRef, BfToken_AllocType);
- mResult.mType = resultType;
- if (typeInstance == NULL)
- {
- mResult = mModule->GetDefaultTypedValue(resultType);
- return;
- }
- }
- else if (resolvedTypeRef->IsSizedArray())
- {
- // Handle the case of "int[3]* val = new .(1, 2, 3)"
- if (auto dotTypeRef = BfNodeDynCastExact<BfDotTypeReference>(objCreateExpr->mTypeRef))
- {
- BfIRValue allocValue;
- if (isAppendAlloc)
- allocValue = mModule->AppendAllocFromType(resolvedTypeRef, BfIRValue(), 0, BfIRValue(), 0, false, false);
- else
- allocValue = mModule->AllocFromType(resolvedTypeRef, allocTarget, BfIRValue(), BfIRValue(), 0, BfAllocFlags_None);
- auto result = BfTypedValue(allocValue, resolvedTypeRef, BfTypedValueKind_Addr);
- InitializedSizedArray((BfSizedArrayType*)resolvedTypeRef, objCreateExpr->mOpenToken, objCreateExpr->mArguments, objCreateExpr->mCommas, objCreateExpr->mCloseToken, &result);
- // Turn from an addr of a sized array to pointer of sized array
- mResult = BfTypedValue(mResult.mValue, resultType);
- return;
- }
- }
- SetAndRestoreValue<bool> prevNoBind(mNoBind, mNoBind || isGenericParam);
- if ((typeInstance != NULL) && (typeInstance->mTypeDef->mIsAbstract))
- {
- mModule->Fail("Cannot create an instance of an abstract class", objCreateExpr->mTypeRef);
- return;
- }
- BfFunctionBindResult bindResult;
- bindResult.mSkipThis = true;
- bindResult.mWantsArgs = true;
- SetAndRestoreValue<BfFunctionBindResult*> prevBindResult(mFunctionBindResult, &bindResult);
- BfIRValue appendSizeValue;
- BfTypedValue emtpyThis(mModule->mBfIRBuilder->GetFakeVal(), resolvedTypeRef, resolvedTypeRef->IsStruct());
- BfResolvedArgs argValues;
- if (objCreateExpr != NULL)
- {
- argValues.Init(objCreateExpr->mOpenToken, &objCreateExpr->mArguments, &objCreateExpr->mCommas, objCreateExpr->mCloseToken);
- ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval); ////
- }
- if (typeInstance == NULL)
- {
- // No CTOR needed
- if (objCreateExpr->mArguments.size() != 0)
- {
- mModule->Fail(StrFormat("Only default parameterless constructors can be called on primitive type '%s'", mModule->TypeToString(resolvedTypeRef).c_str()), objCreateExpr->mTypeRef);
- }
- }
- else if ((autoComplete != NULL) && (objCreateExpr != NULL) && (objCreateExpr->mOpenToken != NULL))
- {
- auto wasCapturingMethodInfo = autoComplete->mIsCapturingMethodMatchInfo;
- autoComplete->CheckInvocation(objCreateExpr, objCreateExpr->mOpenToken, objCreateExpr->mCloseToken, objCreateExpr->mCommas);
- BfAstNode* refNode = objCreateExpr->mTypeRef;
- if ((objCreateExpr->mCtorExplicit != NULL) && (objCreateExpr->mCtorExplicit->mThisToken != NULL))
- refNode = objCreateExpr->mCtorExplicit->mThisToken;
- auto checkTypeInst = typeInstance;
- if (checkTypeInst->IsAnonymousInitializerType())
- checkTypeInst = checkTypeInst->mBaseType;
- MatchConstructor(refNode, objCreateExpr, emtpyThis, checkTypeInst, argValues, false, methodGenericArguments, BfAllowAppendKind_Infer);
- if ((wasCapturingMethodInfo) && (!autoComplete->mIsCapturingMethodMatchInfo))
- {
- if (autoComplete->mMethodMatchInfo != NULL)
- autoComplete->mIsCapturingMethodMatchInfo = true;
- }
- else
- autoComplete->mIsCapturingMethodMatchInfo = false;
- }
- else if (!resolvedTypeRef->IsFunction())
- {
- auto refNode = allocNode;
- if (objCreateExpr != NULL)
- refNode = objCreateExpr->mTypeRef;
- auto checkTypeInst = typeInstance;
- if (checkTypeInst->IsAnonymousInitializerType())
- checkTypeInst = checkTypeInst->mBaseType;
- MatchConstructor(refNode, objCreateExpr, emtpyThis, checkTypeInst, argValues, false, methodGenericArguments, BfAllowAppendKind_Infer);
- }
- if (objCreateExpr != NULL)
- mModule->ValidateAllocation(typeInstance, objCreateExpr->mTypeRef);
- prevBindResult.Restore();
- int allocAlign = resolvedTypeRef->mAlign;
- if (typeInstance != NULL)
- allocAlign = typeInstance->mInstAlign;
- int appendAllocAlign = 0;
- BfAllocFlags allocFlags = BfAllocFlags_None;
- if ((bindResult.mMethodInstance != NULL) && (bindResult.mMethodInstance->mMethodDef->HasAppend()))
- {
- if (!bindResult.mFunc)
- {
- BF_ASSERT((!mModule->HasExecutedOutput()) || (mModule->mBfIRBuilder->mIgnoreWrites));
- appendSizeValue = mModule->GetConstValue(0);
- }
- else
- {
- //auto calcAppendMethodModule = mModule->GetMethodInstanceAtIdx(bindResult.mMethodInstance->GetOwner(), bindResult.mMethodInstance->mMethodDef->mIdx + 1, BF_METHODNAME_CALCAPPEND);
- BfTypeVector methodGenericArguments;
- if (bindResult.mMethodInstance->mMethodInfoEx != NULL)
- methodGenericArguments = bindResult.mMethodInstance->mMethodInfoEx->mMethodGenericArguments;
- auto methodOwner = bindResult.mMethodInstance->GetOwner();
- auto calcAppendMethodDef = methodOwner->mTypeDef->mMethods[bindResult.mMethodInstance->mMethodDef->mIdx + 1];
- BF_ASSERT(calcAppendMethodDef->mName == BF_METHODNAME_CALCAPPEND);
- auto calcAppendMethodModule = mModule->GetMethodInstance(methodOwner, calcAppendMethodDef, methodGenericArguments);
- SizedArray<BfIRValue, 2> irArgs;
- if (bindResult.mIRArgs.size() > 1)
- irArgs.Insert(0, &bindResult.mIRArgs[1], bindResult.mIRArgs.size() - 1);
- BfTypedValue appendSizeTypedValue = mModule->TryConstCalcAppend(calcAppendMethodModule.mMethodInstance, irArgs);
- if (!appendSizeTypedValue)
- {
- BF_ASSERT(calcAppendMethodModule.mFunc);
- appendSizeTypedValue = CreateCall(objCreateExpr, calcAppendMethodModule.mMethodInstance, calcAppendMethodModule.mFunc, false, irArgs);
- BF_ASSERT(appendSizeTypedValue.mType == mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- }
- appendSizeValue = appendSizeTypedValue.mValue;
- allocAlign = BF_MAX(allocAlign, calcAppendMethodModule.mMethodInstance->mAppendAllocAlign);
- appendAllocAlign = calcAppendMethodModule.mMethodInstance->mAppendAllocAlign;
- if (calcAppendMethodModule.mMethodInstance->mHasAppendWantMark)
- allocFlags = (BfAllocFlags)(allocFlags | BfAllocFlags_HasAppendWantMark);
- }
- if (appendAllocAlign != 0)
- {
- int endingAlign = typeInstance->GetEndingInstanceAlignment();
- if (endingAlign % appendAllocAlign != 0)
- {
- int extraSize = appendAllocAlign - (endingAlign % appendAllocAlign);
- appendSizeValue = mModule->mBfIRBuilder->CreateAdd(appendSizeValue, mModule->GetConstValue(extraSize));
- }
- }
- if ((allocFlags & BfAllocFlags_HasAppendWantMark) != 0)
- {
- int markInfoSize = sizeof(intptr) + sizeof(intptr) * 4; // Stack trace, MarkAppendEntry
- appendSizeValue = mModule->mBfIRBuilder->CreateAdd(appendSizeValue, mModule->GetConstValue(markInfoSize));
- }
- }
- // WTF? I'm not even sure this is correct - add more tests
- appendAllocAlign = BF_MAX(appendAllocAlign, allocAlign);
- BfIRValue allocValue;
- if (IsVar(resolvedTypeRef))
- {
- mResult = mModule->GetDefaultTypedValue(resultType);
- return;
- }
- else
- {
- if (isAppendAlloc)
- {
- allocValue = mModule->AppendAllocFromType(resolvedTypeRef, appendSizeValue, appendAllocAlign);
- }
- else
- {
- allocValue = mModule->AllocFromType(resolvedTypeRef, allocTarget, appendSizeValue, BfIRValue(), 0, allocFlags, allocAlign);
- }
- if (((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) && (mModule->mCompiler->mCeMachine != NULL))
- {
- mModule->mCompiler->mCeMachine->SetAppendAllocInfo(mModule, allocValue, appendSizeValue);
- }
- mResult = BfTypedValue(allocValue, resultType);
- }
- if (isScopeAlloc)
- {
- // This allows readonly (ie: 'let') local usage to not require an access check. No matter what scope the alloc is tied to, the
- // lifetime of the local variable will be no longer than that of the allocated value
- mModule->SkipObjectAccessCheck(mResult);
- }
- /*if (typeInstance != NULL)
- {
- mModule->InitTypeInst(mResult, scopeData, true);
- }
- if (isStackAlloc)
- {
- mModule->AddStackAlloc(mResult, objCreateExpr, scopeData);
- }*/
- if (mResult)
- {
- if (bindResult.mMethodInstance == NULL)
- {
- // Why did we have this? It was already zeroed right?
- // Zero
- //mModule->mBfIRBuilder->CreateMemSet(mResult.mValue, mModule->GetConstValue8(0), mModule->GetConstValue(resolvedTypeRef->mSize), resolvedTypeRef->mAlign);
- }
- else if (bindResult.mFunc)
- {
- bool hasRealtimeLeakCheck = (mModule->mCompiler->mOptions.mEnableRealtimeLeakCheck) && (!IsComptime());
- if ((typeInstance->IsObject()) || (typeInstance->IsAnonymousInitializerType()))
- {
- bool wantsCtorClear = true;
- if (hasRealtimeLeakCheck)
- {
- // Dbg_ObjectAlloc clears internally so we don't need to call CtorClear for those
- if ((!isStackAlloc) && (!isAppendAlloc) && (!allocTarget.mCustomAllocator) && (allocTarget.mScopedInvocationTarget == NULL))
- wantsCtorClear = false;
- }
- if (wantsCtorClear)
- {
- auto ctorClear = mModule->GetMethodByName(typeInstance, "__BfCtorClear");
- if (!ctorClear)
- {
- mModule->AssertErrorState();
- }
- else if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) == 0)
- {
- SizedArray<BfIRValue, 1> irArgs;
- irArgs.push_back(mResult.mValue);
- CreateCall(objCreateExpr, ctorClear.mMethodInstance, ctorClear.mFunc, false, irArgs);
- }
- }
- }
- if (typeInstance->IsObject())
- {
- if ((!mModule->mIsComptimeModule) && (isStackAlloc) && (hasRealtimeLeakCheck))
- {
- BfMethodInstance* markMethod = mModule->GetRawMethodByName(mModule->mContext->mBfObjectType, "GCMarkMembers");
- BF_ASSERT(markMethod != NULL);
- if (markMethod != NULL)
- {
- auto& vtableEntry = typeInstance->mVirtualMethodTable[markMethod->mVirtualTableIdx];
- if (vtableEntry.mImplementingMethod.mTypeInstance != mModule->mContext->mBfObjectType)
- {
- auto impMethodInstance = (BfMethodInstance*)vtableEntry.mImplementingMethod;
- bool needsCall = false;
- if (allocFlags & BfAllocFlags_HasAppendWantMark)
- needsCall = true;
- if (!needsCall)
- {
- if (impMethodInstance != NULL)
- {
- needsCall = impMethodInstance->mMethodDef->mBody != NULL;
- }
- else
- {
- needsCall = true;
- BF_ASSERT(vtableEntry.mImplementingMethod.mKind == BfMethodRefKind_AmbiguousRef);
- }
- }
- if (!needsCall)
- {
- if (typeInstance->HasAppendedField(true))
- needsCall = true;
- }
- if (needsCall)
- {
- SizedArray<BfIRValue, 1> irArgs;
- irArgs.push_back(mModule->mBfIRBuilder->CreateBitCast(mResult.mValue, mModule->mBfIRBuilder->MapType(mModule->mContext->mBfObjectType)));
- auto gcType = mModule->ResolveTypeDef(mModule->mCompiler->mGCTypeDef);
- BF_ASSERT(gcType != NULL);
- if (gcType != NULL)
- {
- auto addStackObjMethod = mModule->GetMethodByName(gcType->ToTypeInstance(), "AddStackMarkableObject", 1);
- BF_ASSERT(addStackObjMethod);
- if (addStackObjMethod)
- {
- mModule->mBfIRBuilder->CreateCall(addStackObjMethod.mFunc, irArgs);
- }
- auto removeStackObjMethod = mModule->GetMethodByName(gcType->ToTypeInstance(), "RemoveStackMarkableObject", 1);
- BF_ASSERT(removeStackObjMethod);
- if (removeStackObjMethod)
- {
- mModule->AddDeferredCall(removeStackObjMethod, irArgs, allocTarget.mScopeData, allocNode);
- }
- }
- }
- }
- }
- }
- }
- auto origThisTypedValue = mResult;
- auto thisTypedValue = mResult;
- if (inlineTypeRef != NULL)
- {
- BfType* wantType = bindResult.mMethodInstance->GetOwner();
- if (thisTypedValue.mType->IsPointer())
- wantType = mModule->CreatePointerType(wantType);
- thisTypedValue = mModule->Cast(allocNode, thisTypedValue, wantType);
- }
- if ((bindResult.mMethodInstance->mMethodDef->HasAppend()) && (mResult.mType->IsObject()))
- {
- BF_ASSERT(bindResult.mIRArgs[0].IsFake());
- auto typeInst = mResult.mType->ToTypeInstance();
- auto intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- BfIRValue intPtrVal = mModule->CreateAlloca(intPtrType);
- auto intPtrThisVal = mModule->mBfIRBuilder->CreatePtrToInt(thisTypedValue.mValue, (intPtrType->mSize == 4) ? BfTypeCode_Int32 : BfTypeCode_Int64);
- auto curValPtr = mModule->mBfIRBuilder->CreateAdd(intPtrThisVal, mModule->GetConstValue(typeInst->mInstSize, intPtrType));
- mModule->mBfIRBuilder->CreateStore(curValPtr, intPtrVal);
- bindResult.mIRArgs[0] = intPtrVal;
- }
- if (!typeInstance->IsValuelessType())
- bindResult.mIRArgs.Insert(0, thisTypedValue.mValue);
- auto result = CreateCall(objCreateExpr, bindResult.mMethodInstance, bindResult.mFunc, false, bindResult.mIRArgs);
- if ((result) && (!result.mType->IsVoid()))
- mResult = result;
- if (origThisTypedValue.mType != thisTypedValue.mType)
- {
- auto origThisType = origThisTypedValue.mType;
- if (origThisType->IsPointer())
- origThisType = origThisType->GetUnderlyingType();
- auto origThisTypeInst = origThisType->ToTypeInstance();
- if (origThisTypeInst != NULL)
- {
- BF_ASSERT(origThisTypeInst->IsAnonymousInitializerType());
- auto ctorMethod = mModule->GetMethodByName(origThisTypeInst, "__BfCtor", 0);
- if (!ctorMethod)
- {
- mModule->AssertErrorState();
- }
- else if ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) == 0)
- {
- SizedArray<BfIRValue, 1> irArgs;
- irArgs.push_back(origThisTypedValue.mValue);
- CreateCall(objCreateExpr, ctorMethod.mMethodInstance, ctorMethod.mFunc, false, irArgs);
- }
- }
- }
- }
- }
- if (((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0) && (mModule->mCompiler->mCeMachine != NULL))
- {
- mModule->mCompiler->mCeMachine->ClearAppendAllocInfo();
- }
- if ((mResult) && (isStructAlloc))
- {
- if (mResult.mType->IsPointer())
- {
- mResult = mModule->LoadValue(mResult);
- mResult = BfTypedValue(mResult.mValue, mResult.mType->GetUnderlyingType(), true);
- }
- else
- mModule->Fail(StrFormat("Allocation specifier such as 'new' is required for reference type '%s'", mModule->TypeToString(mResult.mType).c_str()), objCreateExpr);
- }
- }
- void BfExprEvaluator::Visit(BfBoxExpression* boxExpr)
- {
- /*if ((boxExpr->mAllocNode == NULL) || (boxExpr->mExpression == NULL))
- {
- mModule->AssertErrorState();
- return;
- }*/
- BfTokenNode* newToken = NULL;
- BfAllocTarget allocTarget;
- ResolveAllocTarget(allocTarget, boxExpr->mAllocNode, newToken);
- if ((boxExpr->mAllocNode != NULL) && (boxExpr->mAllocNode->mToken == BfToken_Scope))
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_FieldInitializer) != 0)
- {
- mModule->Warn(0, "This allocation will only be in scope during the constructor. Consider using a longer-term allocation such as 'new'", boxExpr->mAllocNode);
- }
- }
- if (boxExpr->mExpression == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- auto exprValue = mModule->CreateValueFromExpression(boxExpr->mExpression);
- if (exprValue)
- {
- bool doFail = false;
- bool doWarn = false;
- BfType* boxedType = NULL;
- if (exprValue.mType->IsGenericParam())
- {
- BF_ASSERT(mModule->mCurMethodInstance->mIsUnspecialized);
- auto genericParamTarget = (BfGenericParamType*)exprValue.mType;
- auto genericParamInstance = mModule->GetGenericParamInstance(genericParamTarget);
- if ((genericParamInstance->mGenericParamFlags & (BfGenericParamFlag_Struct | BfGenericParamFlag_StructPtr | BfGenericParamFlag_Class)) == BfGenericParamFlag_Class)
- doWarn = true;
- if ((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsObjectOrInterface()))
- doWarn = true;
- boxedType = mModule->mContext->mBfObjectType;
- }
- else
- {
- doFail = !exprValue.mType->IsValueTypeOrValueTypePtr();
- doWarn = exprValue.mType->IsObjectOrInterface();
- }
- if (doWarn)
- {
- mModule->Warn(0, StrFormat("Boxing is unnecessary since type '%s' is already a reference type.", mModule->TypeToString(exprValue.mType).c_str()), boxExpr->mExpression);
- mResult = exprValue;
- return;
- }
- if (doFail)
- {
- mModule->Fail(StrFormat("Box target '%s' must be a value type or pointer to a value type", mModule->TypeToString(exprValue.mType).c_str()), boxExpr->mExpression);
- return;
- }
- if (boxedType == NULL)
- boxedType = mModule->CreateBoxedType(exprValue.mType);
- if (boxedType == NULL)
- boxedType = mModule->mContext->mBfObjectType;
- mResult = mModule->BoxValue(boxExpr->mExpression, exprValue, boxedType, allocTarget);
- if (!mResult)
- {
- mModule->Fail(StrFormat("Type '%s' is not boxable", mModule->TypeToString(exprValue.mType).c_str()), boxExpr->mExpression);
- return;
- }
- }
- }
- void BfExprEvaluator::ResolveAllocTarget(BfAllocTarget& allocTarget, BfAstNode* allocNode, BfTokenNode*& newToken, BfCustomAttributes** outCustomAttributes)
- {
- auto autoComplete = GetAutoComplete();
- BfAttributeDirective* attributeDirective = NULL;
- allocTarget.mRefNode = allocNode;
- newToken = BfNodeDynCast<BfTokenNode>(allocNode);
- if (allocNode == NULL)
- {
- // Scope
- if (mModule->mCurMethodState != NULL)
- allocTarget.mScopeData = mModule->mCurMethodState->mCurScope->GetTargetable();
- }
- else if (newToken == NULL)
- {
- if (auto scopeNode = BfNodeDynCast<BfScopeNode>(allocNode))
- {
- newToken = scopeNode->mScopeToken;
- allocTarget.mScopeData = mModule->FindScope(scopeNode->mTargetNode, true);
- if (autoComplete != NULL)
- {
- auto targetIdentifier = BfNodeDynCast<BfIdentifierNode>(scopeNode->mTargetNode);
- if ((scopeNode->mTargetNode == NULL) || (targetIdentifier != NULL))
- autoComplete->CheckLabel(targetIdentifier, scopeNode->mColonToken, allocTarget.mScopeData);
- }
- attributeDirective = scopeNode->mAttributes;
- }
- if (auto newNode = BfNodeDynCast<BfNewNode>(allocNode))
- {
- newToken = newNode->mNewToken;
- if (auto allocExpr = BfNodeDynCast<BfExpression>(newNode->mAllocNode))
- {
- allocTarget.mCustomAllocator = mModule->CreateValueFromExpression(allocExpr);
- allocTarget.mRefNode = allocExpr;
- }
- else if (auto scopedInvocationTarget = BfNodeDynCast<BfScopedInvocationTarget>(newNode->mAllocNode))
- {
- allocTarget.mScopedInvocationTarget = scopedInvocationTarget;
- }
- attributeDirective = newNode->mAttributes;
- }
- }
- else if (newToken->GetToken() == BfToken_Scope)
- {
- if (mModule->mCurMethodState != NULL)
- allocTarget.mScopeData = mModule->mCurMethodState->mCurScope->GetTargetable();
- }
-
- if (attributeDirective != NULL)
- {
- auto customAttrs = mModule->GetCustomAttributes(attributeDirective, BfAttributeTargets_Alloc, BfGetCustomAttributesFlags_AllowNonConstArgs, allocTarget.mCaptureInfo);
- if (customAttrs != NULL)
- {
- for (auto& attrib : customAttrs->mAttributes)
- {
- if (attrib.mType->IsInstanceOf(mModule->mCompiler->mAlignAttributeTypeDef))
- {
- allocTarget.mAlignOverride = 16; // System conservative default
- if (!attrib.mCtorArgs.IsEmpty())
- {
- BfIRConstHolder* constHolder = mModule->mCurTypeInstance->mConstHolder;
- auto constant = constHolder->GetConstant(attrib.mCtorArgs[0]);
- if (constant != NULL)
- {
- int alignOverride = (int)BF_MAX(1, constant->mInt64);
- if ((alignOverride & (alignOverride - 1)) == 0)
- allocTarget.mAlignOverride = alignOverride;
- else
- mModule->Fail("Alignment must be a power of 2", attrib.GetRefNode());
- }
- }
- }
- else if (attrib.mType->IsInstanceOf(mModule->mCompiler->mFriendAttributeTypeDef))
- allocTarget.mIsFriend = true;
- }
- if (outCustomAttributes != NULL)
- *outCustomAttributes = customAttrs;
- else
- delete customAttrs;
- }
- }
- }
- BfTypedValue BfExprEvaluator::MakeCallableTarget(BfAstNode* targetSrc, BfTypedValue target)
- {
- if ((target.mType->IsRef()) || (target.mType->IsPointer()))
- {
- auto underlying = target.mType->GetUnderlyingType();
- bool underlyingIsStruct = underlying->IsStruct();
- if (underlyingIsStruct)
- {
- target = mModule->LoadValue(target);
- target.mType = underlying;
- target.mKind = BfTypedValueKind_Addr;
- }
- }
- if ((target.mType->IsStruct()) && (!target.IsAddr()))
- {
- if (IsConstEval())
- return target;
- target = mModule->MakeAddressable(target);
- }
- if (IsVar(target.mType))
- {
- target.mType = mModule->mContext->mBfObjectType;
- return target;
- }
- if (target.mType->IsWrappableType())
- {
- auto primStructType = mModule->GetWrappedStructType(target.mType);
- if (primStructType != NULL)
- {
- mModule->PopulateType(primStructType);
- if (primStructType->IsTypedPrimitive())
- {
- // Type is already the same
- target.mType = primStructType;
- }
- else if (target.IsAddr())
- {
- auto ptrType = mModule->CreatePointerType(primStructType);
- target = BfTypedValue(mModule->mBfIRBuilder->CreateBitCast(target.mValue, mModule->mBfIRBuilder->MapType(ptrType)), primStructType, true);
- }
- else if ((primStructType->IsSplattable()) && (target.IsSplat()) && (!IsComptime()))
- {
- target.mType = primStructType;
- target.mKind = BfTypedValueKind_SplatHead;
- }
- else
- {
- auto allocPtr = mModule->CreateAlloca(primStructType);
- auto srcPtrType = mModule->mBfIRBuilder->CreateBitCast(allocPtr, mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->MapType(target.mType)));
- mModule->mBfIRBuilder->CreateStore(target.mValue, srcPtrType);
- target = BfTypedValue(allocPtr, primStructType, true);
- }
- }
- return target;
- }
- if (target.mType->IsGenericParam())
- {
- target.mType = mModule->mContext->mBfObjectType;
- return target;
- }
- if ((!target.mType->IsTypeInstance()) && (!target.mType->IsConcreteInterfaceType()))
- {
- mModule->Fail(StrFormat("Methods cannot be called on type '%s'", mModule->TypeToString(target.mType).c_str()), targetSrc);
- return BfTypedValue();
- }
- return target;
- }
- int BfExprEvaluator::GetMixinVariable()
- {
- auto curMethodState = mModule->mCurMethodState;
- for (int localIdx = (int)curMethodState->mLocals.size() - 1; localIdx >= 0; localIdx--)
- {
- auto varDecl = curMethodState->mLocals[localIdx];
- if (varDecl->mName == "mixin")
- return localIdx;
- }
- return -1;
- }
- BfModuleMethodInstance BfExprEvaluator::GetSelectedMethod(BfAstNode* targetSrc, BfTypeInstance* curTypeInst, BfMethodDef* methodDef, BfMethodMatcher& methodMatcher, BfType** overrideReturnType)
- {
- bool failed = false;
- BfTypeVector resolvedGenericArguments;
- BfMethodState* rootMethodState = NULL;
- if (mModule->mCurMethodState != NULL)
- rootMethodState = mModule->mCurMethodState->GetRootMethodState();
- int localInferrableGenericArgCount = -1;
- if ((methodMatcher.mBestMethodGenericArguments.size() == 0) && (!methodMatcher.mExplicitMethodGenericArguments.IsEmpty()))
- {
- int uniqueGenericStartIdx = mModule->GetLocalInferrableGenericArgCount(methodDef);
- int64 genericArgCountDiff = (int)methodMatcher.mExplicitMethodGenericArguments.size() + uniqueGenericStartIdx - (int)methodDef->mGenericParams.size();
- BfInvocationExpression* invocationExpr = NULL;
- if (mModule->mParentNodeEntry != NULL)
- {
- invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode);
- }
- if (genericArgCountDiff > 0)
- {
- BfAstNode* errorNode = targetSrc;
- if ((invocationExpr != NULL) && (invocationExpr->mGenericArgs != NULL))
- {
- errorNode = invocationExpr->mGenericArgs->mGenericArgs[(int)methodDef->mGenericParams.size()];
- if (errorNode == NULL)
- invocationExpr->mGenericArgs->mCommas.GetSafe((int)methodDef->mGenericParams.size() - 1, errorNode);
- if (errorNode == NULL)
- errorNode = targetSrc;
- }
- mModule->Fail(StrFormat("Too many generic arguments, expected %d fewer", genericArgCountDiff), errorNode);
- }
- else if ((genericArgCountDiff < 0) && (!methodMatcher.mHadOpenGenericArguments))
- {
- BfAstNode* errorNode = targetSrc;
- if ((invocationExpr != NULL) && (invocationExpr->mGenericArgs != NULL) && (invocationExpr->mGenericArgs->mCloseChevron != NULL))
- errorNode = invocationExpr->mGenericArgs->mCloseChevron;
- mModule->Fail(StrFormat("Too few generic arguments, expected %d more", -genericArgCountDiff), errorNode);
- }
- methodMatcher.mBestMethodGenericArguments.resize(methodDef->mGenericParams.size());
- for (int i = 0; i < std::min(methodDef->mGenericParams.size() - uniqueGenericStartIdx, methodMatcher.mExplicitMethodGenericArguments.size()); i++)
- {
- methodMatcher.mBestMethodGenericArguments[i + uniqueGenericStartIdx] = methodMatcher.mExplicitMethodGenericArguments[i];
- }
- }
- BfMethodInstance* unspecializedMethod = NULL;
- bool hasVarGenerics = false;
- for (int checkGenericIdx = 0; checkGenericIdx < (int)methodMatcher.mBestMethodGenericArguments.size(); checkGenericIdx++)
- {
- BfMethodInstance* outerMethodInstance = NULL;
- auto& genericArg = methodMatcher.mBestMethodGenericArguments[checkGenericIdx];
- if (genericArg == NULL)
- {
- if ((methodDef->mIsLocalMethod) && (checkGenericIdx < mModule->mCurMethodInstance->GetNumGenericArguments()))
- {
- // If the root method is generic and we need that param then use that...
- auto rootMethodInstance = rootMethodState->mMethodInstance;
- if ((rootMethodInstance->mMethodInfoEx != NULL) && (checkGenericIdx < rootMethodInstance->mMethodInfoEx->mMethodGenericArguments.size()))
- {
- genericArg = rootMethodInstance->mMethodInfoEx->mMethodGenericArguments[checkGenericIdx];
- }
- else
- {
- if (localInferrableGenericArgCount == -1)
- localInferrableGenericArgCount = mModule->GetLocalInferrableGenericArgCount(methodDef);
- // Otherwise we can only infer generics at the level that the called method was contained
- if (checkGenericIdx < localInferrableGenericArgCount)
- genericArg = mModule->mCurMethodInstance->mMethodInfoEx->mMethodGenericArguments[checkGenericIdx];
- }
- }
- }
- if (genericArg == NULL)
- {
- if (unspecializedMethod == NULL)
- unspecializedMethod = mModule->GetRawMethodInstance(curTypeInst, methodDef);
- auto genericParam = unspecializedMethod->mMethodInfoEx->mGenericParams[checkGenericIdx];
- if ((genericParam->mTypeConstraint != NULL) && (genericParam->mTypeConstraint->IsDelegate()))
- {
- // The only other option was to bind to a MethodRef
- genericArg = mModule->ResolveGenericType(genericParam->mTypeConstraint, NULL, &methodMatcher.mBestMethodGenericArguments, mModule->mCurTypeInstance);
- }
- else
- {
- if (((genericParam->mGenericParamFlags & BfGenericParamFlag_Const) != 0) && (genericParam->mTypeConstraint != NULL))
- {
- for (int paramIdx = 0; paramIdx < (int)unspecializedMethod->mDefaultValues.size(); paramIdx++)
- {
- auto defaultVal = unspecializedMethod->mDefaultValues[paramIdx];
- if (!defaultVal)
- continue;
- auto& param = unspecializedMethod->mParams[paramIdx];
- if (param.mResolvedType->IsGenericParam())
- {
- auto genericParamType = (BfGenericParamType*)param.mResolvedType;
- if ((genericParamType->mGenericParamKind == BfGenericParamKind_Method) && (genericParamType->mGenericParamIdx == checkGenericIdx))
- {
- BfTypedValue constExprVal;
- constExprVal.mType = genericParam->mTypeConstraint;
- auto constant = curTypeInst->mConstHolder->GetConstant(defaultVal.mValue);
- constExprVal.mValue = mModule->ConstantToCurrent(constant, curTypeInst->mConstHolder, genericParam->mTypeConstraint);
- genericArg = mModule->CreateConstExprValueType(constExprVal);
- }
- }
- }
- }
- }
- if (genericArg == NULL)
- {
- BfGenericInferContext genericInferContext;
- genericInferContext.mModule = mModule;
- genericInferContext.mCheckMethodGenericArguments = &methodMatcher.mBestMethodGenericArguments;
- genericInferContext.InferGenericArguments(unspecializedMethod);
- }
- if (genericArg == NULL)
- {
- failed = true;
- BfError* error = mModule->Fail(StrFormat("Unable to determine generic argument '%s'", methodDef->mGenericParams[checkGenericIdx]->mName.c_str()).c_str(), targetSrc);
- if ((genericParam->mTypeConstraint != NULL) && (!genericParam->mTypeConstraint->IsUnspecializedType()))
- genericArg = genericParam->mTypeConstraint;
- else
- genericArg = mModule->mContext->mBfObjectType;
- if (error != NULL)
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), unspecializedMethod->mMethodDef->GetRefNode());
- }
- }
- if (genericArg->IsVar())
- {
- //BF_ASSERT(methodMatcher.mHasVarArguments);
- hasVarGenerics = true;
- }
- if (genericArg->IsIntUnknown())
- genericArg = mModule->FixIntUnknown(genericArg);
- auto resolvedGenericArg = genericArg;
- resolvedGenericArguments.push_back(genericArg);
- }
- BfTypeInstance* foreignType = NULL;
- BfGetMethodInstanceFlags flags = BfGetMethodInstanceFlag_None;
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mInlineAttributeTypeDef)))
- {
- flags = (BfGetMethodInstanceFlags)(flags | BfGetMethodInstanceFlag_ForceInline);
- mModule->mAttributeState->mUsed = true;
- }
- if ((!mModule->mCurTypeInstance->IsInterface()) && (methodDef->mBody != NULL))
- {
- if ((methodMatcher.mBypassVirtual) && (methodMatcher.mBestMethodTypeInstance->IsInterface()))
- {
- // This is an explicit 'base' call to a default interface method. We pull the methodDef into our own concrete type.
- foreignType = curTypeInst;
- curTypeInst = mModule->mCurTypeInstance;
- flags = (BfGetMethodInstanceFlags)(flags | BfGetMethodInstanceFlag_ForeignMethodDef);
- }
- else if ((methodDef->mIsStatic) && (curTypeInst->IsInterface()))
- {
- if (mModule->TypeIsSubTypeOf(mModule->mCurTypeInstance, curTypeInst))
- {
- // This is an explicit call to a default static interface method. We pull the methodDef into our own concrete type.
- foreignType = curTypeInst;
- curTypeInst = mModule->mCurTypeInstance;
- flags = (BfGetMethodInstanceFlags)(flags | BfGetMethodInstanceFlag_ForeignMethodDef);
- }
- }
- }
- if (hasVarGenerics)
- return BfModuleMethodInstance();
- BfModuleMethodInstance moduleMethodInstance;
- if (methodMatcher.mBestMethodInstance)
- {
- moduleMethodInstance = methodMatcher.mBestMethodInstance;
- }
- else
- {
- moduleMethodInstance = mModule->GetMethodInstance(curTypeInst, methodDef, resolvedGenericArguments, flags, foreignType);
- }
- if (mModule->IsSkippingExtraResolveChecks())
- {
- //BF_ASSERT(methodInstance.mFunc == NULL);
- }
- if (moduleMethodInstance.mMethodInstance == NULL)
- return NULL;
- if (methodDef->IsEmptyPartial())
- return moduleMethodInstance;
- if (moduleMethodInstance.mMethodInstance->mMethodInfoEx != NULL)
- {
- for (int checkGenericIdx = 0; checkGenericIdx < (int)moduleMethodInstance.mMethodInstance->mMethodInfoEx->mGenericParams.size(); checkGenericIdx++)
- {
- auto genericParams = moduleMethodInstance.mMethodInstance->mMethodInfoEx->mGenericParams[checkGenericIdx];
- BfTypeVector* checkMethodGenericArgs = NULL;
- BfType* genericArg = NULL;
- if (checkGenericIdx < (int)methodMatcher.mBestMethodGenericArguments.size())
- {
- genericArg = methodMatcher.mBestMethodGenericArguments[checkGenericIdx];
- }
- else
- {
- checkMethodGenericArgs = &methodMatcher.mBestMethodGenericArguments;
- genericArg = genericParams->mExternType;
- auto owner = moduleMethodInstance.mMethodInstance->GetOwner();
- BfTypeVector* typeGenericArguments = NULL;
- if (owner->mGenericTypeInfo != NULL)
- typeGenericArguments = &owner->mGenericTypeInfo->mTypeGenericArguments;
- //genericArg = mModule->ResolveGenericType(genericArg, typeGenericArguments, checkMethodGenericArgs);
- }
- if (genericArg->IsVar())
- continue;
- BfAstNode* paramSrc;
- if (checkGenericIdx >= methodMatcher.mBestMethodGenericArgumentSrcs.size())
- {
- paramSrc = targetSrc;
- }
- else
- paramSrc = methodMatcher.mArguments[methodMatcher.mBestMethodGenericArgumentSrcs[checkGenericIdx]].mExpression;
- // Note: don't pass methodMatcher.mBestMethodGenericArguments into here, this method is already specialized
- BfError* error = NULL;
- if (!mModule->CheckGenericConstraints(BfGenericParamSource(moduleMethodInstance.mMethodInstance), genericArg, paramSrc, genericParams, NULL,
- failed ? NULL : &error))
- {
- if (moduleMethodInstance.mMethodInstance->IsSpecializedGenericMethod())
- {
- // We mark this as failed to make sure we don't try to process a method that doesn't even follow the constraints
- moduleMethodInstance.mMethodInstance->mFailedConstraints = true;
- }
- if (moduleMethodInstance.mMethodInstance->mMethodDef->mMethodDeclaration != NULL)
- {
- if (error != NULL)
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), moduleMethodInstance.mMethodInstance->mMethodDef->GetRefNode());
- }
- }
- }
- }
- else
- BF_ASSERT(methodMatcher.mBestMethodGenericArguments.IsEmpty());
- if ((overrideReturnType != NULL) && (moduleMethodInstance.mMethodInstance->mIsUnspecializedVariation) &&
- ((moduleMethodInstance.mMethodInstance->mReturnType->IsUnspecializedTypeVariation()) || (moduleMethodInstance.mMethodInstance->mReturnType->IsVar())))
- {
- if (unspecializedMethod == NULL)
- unspecializedMethod = mModule->GetRawMethodInstance(curTypeInst, methodDef);
- BfTypeVector* typeGenericArgs = NULL;
- auto typeUnspecMethodInstance = unspecializedMethod;
- if (curTypeInst->IsUnspecializedTypeVariation())
- {
- typeUnspecMethodInstance = mModule->GetUnspecializedMethodInstance(typeUnspecMethodInstance, true);
- typeGenericArgs = &curTypeInst->mGenericTypeInfo->mTypeGenericArguments;
- }
- BfType* specializedReturnType = mModule->ResolveGenericType(typeUnspecMethodInstance->mReturnType, typeGenericArgs, &methodMatcher.mBestMethodGenericArguments,
- mModule->mCurTypeInstance);
- if (specializedReturnType != NULL)
- *overrideReturnType = specializedReturnType;
- }
- return moduleMethodInstance;
- }
- BfModuleMethodInstance BfExprEvaluator::GetSelectedMethod(BfMethodMatcher& methodMatcher)
- {
- if (!methodMatcher.mBestMethodInstance)
- methodMatcher.mBestMethodInstance = GetSelectedMethod(methodMatcher.mTargetSrc, methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef, methodMatcher);
- return methodMatcher.mBestMethodInstance;
- }
- void BfExprEvaluator::CheckLocalMethods(BfAstNode* targetSrc, BfTypeInstance* typeInstance, const StringImpl& methodName, BfMethodMatcher& methodMatcher, BfMethodType methodType)
- {
- auto _GetNodeId = [&]()
- {
- auto parser = targetSrc->GetSourceData()->ToParserData();
- return ((int64)parser->mDataId << 32) + targetSrc->GetSrcStart();
- };
- BfMethodState* ctxMethodState = NULL;
- BfClosureInstanceInfo* ctxClosureInstanceInfo = NULL;
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL))
- {
- ctxClosureInstanceInfo = mModule->mCurMethodState->mClosureState->mClosureInstanceInfo;
- ctxMethodState = mModule->mCurMethodState;
- }
- bool atCtxMethodState = false;
- auto checkMethodState = mModule->mCurMethodState;
- auto rootMethodState = checkMethodState;
- while (checkMethodState != NULL)
- {
- rootMethodState = checkMethodState;
- if (checkMethodState == ctxMethodState)
- atCtxMethodState = true;
- if ((ctxClosureInstanceInfo != NULL) && (!ctxMethodState->mClosureState->mCapturing))
- {
- BfMethodDef* localMethodDef = NULL;
- if (ctxClosureInstanceInfo->mLocalMethodBindings.TryGetValue(_GetNodeId(), &localMethodDef))
- {
- methodMatcher.CheckMethod(mModule->mCurTypeInstance, mModule->mCurTypeInstance, localMethodDef, true);
- BF_ASSERT(methodMatcher.mBestMethodDef != NULL);
- return;
- }
- }
- else
- {
- BfLocalMethod* matchedLocalMethod = NULL;
- BfLocalMethod* localMethod = NULL;
- if (checkMethodState->mLocalMethodMap.TryGetValue(methodName, &localMethod))
- {
- auto typeInst = mModule->mCurTypeInstance;
- if (checkMethodState->mMixinState != NULL)
- typeInst = checkMethodState->mMixinState->mMixinMethodInstance->GetOwner();
- while (localMethod != NULL)
- {
- auto methodDef = mModule->GetLocalMethodDef(localMethod);
- if (methodDef->mMethodType == methodType)
- {
- methodMatcher.CheckMethod(mModule->mCurTypeInstance, typeInst, methodDef, true);
- if (methodMatcher.mBestMethodDef == methodDef)
- matchedLocalMethod = localMethod;
- }
- localMethod = localMethod->mNextWithSameName;
- }
- }
- if (matchedLocalMethod != NULL)
- {
- if ((mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
- {
- BfModuleMethodInstance moduleMethodInstance = GetSelectedMethod(targetSrc, typeInstance, matchedLocalMethod->mMethodDef, methodMatcher);
- if (moduleMethodInstance)
- {
- auto methodInstance = moduleMethodInstance.mMethodInstance;
- if ((methodInstance->mMethodInfoEx != NULL) && (methodInstance->mMethodInfoEx->mClosureInstanceInfo->mCaptureClosureState != NULL))
- {
- // The called method is calling us from its mLocalMethodRefs set. Stretch our mCaptureStartAccessId back to incorporate its
- // captures as well
- if (methodInstance->mMethodInfoEx->mClosureInstanceInfo->mCaptureClosureState->mCaptureStartAccessId < mModule->mCurMethodState->mClosureState->mCaptureStartAccessId)
- mModule->mCurMethodState->mClosureState->mCaptureStartAccessId = methodInstance->mMethodInfoEx->mClosureInstanceInfo->mCaptureClosureState->mCaptureStartAccessId;
- }
- else
- {
- if (methodInstance->mDisallowCalling) // We need to process the captures from this guy
- {
- if (mModule->mCurMethodState->mClosureState->mLocalMethodRefSet.Add(methodInstance))
- mModule->mCurMethodState->mClosureState->mLocalMethodRefs.Add(methodInstance);
- }
- }
- }
- }
- if (ctxClosureInstanceInfo != NULL)
- {
- BF_ASSERT(mModule->mCurMethodState->mClosureState->mCapturing);
- ctxClosureInstanceInfo->mLocalMethodBindings[_GetNodeId()] = methodMatcher.mBestMethodDef;
- }
- break;
- }
- }
- checkMethodState = checkMethodState->mPrevMethodState;
- }
- }
- void BfExprEvaluator::InjectMixin(BfAstNode* targetSrc, BfTypedValue target, bool allowImplicitThis, const StringImpl& name, const BfSizedArray<BfExpression*>& arguments, const BfMethodGenericArguments& methodGenericArgs)
- {
- if (mModule->mCurMethodState == NULL)
- return;
- if (mDeferCallData != NULL)
- {
- mModule->Fail("Mixins cannot be directly deferred. Consider wrapping in a block.", targetSrc);
- }
- BfAstNode* origTargetSrc = targetSrc;
- BfScopedInvocationTarget* scopedInvocationTarget = NULL;
- if (mModule->mParentNodeEntry != NULL)
- {
- if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
- {
- scopedInvocationTarget = BfNodeDynCast<BfScopedInvocationTarget>(invocationExpr->mTarget);
- }
- }
- auto targetNameNode = targetSrc;
- if (scopedInvocationTarget != NULL)
- targetNameNode = scopedInvocationTarget->mTarget;
- while (true)
- {
- if (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(targetNameNode))
- {
- targetNameNode = qualifiedNameNode->mRight;
- continue;
- }
- if (auto memberRefExpr = BfNodeDynCast<BfMemberReferenceExpression>(targetNameNode))
- {
- targetNameNode = memberRefExpr->mMemberName;
- continue;
- }
- break;
- }
- BfTypeInstance* mixinClass = NULL;
- if (target.mType != NULL)
- mixinClass = target.mType->ToTypeInstance();
- int inLine = mModule->mCurFilePosition.mCurLine;
- SizedArray<BfResolvedArg, 4> args;
- SizedArray<BfExprEvaluator*, 8> argExprEvaluators;
- defer
- (
- {
- for (auto exprEvaluator : argExprEvaluators)
- delete exprEvaluator;
- }
- );
- auto _AddArg = [&](BfExpression* argExpr)
- {
- BfResolvedArg resolvedArg;
- argExprEvaluators.push_back(new BfExprEvaluator(mModule));
- BfExprEvaluator* exprEvaluator = argExprEvaluators.back();
- exprEvaluator->mResolveGenericParam = false;
- exprEvaluator->mBfEvalExprFlags = (BfEvalExprFlags)(exprEvaluator->mBfEvalExprFlags | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowRefExpr | BfEvalExprFlags_AllowOutExpr);
- bool deferExpr = false;
- if (auto variableDecl = BfNodeDynCast<BfVariableDeclaration>(argExpr))
- {
- deferExpr = true;
- resolvedArg.mArgFlags = (BfArgFlags)(resolvedArg.mArgFlags | BfArgFlag_VariableDeclaration);
- }
- if (deferExpr)
- {
- //
- }
- else if (argExpr != NULL)
- exprEvaluator->Evaluate(argExpr, false, false, true);
- else
- mModule->Fail("Missing argument", targetSrc);
- auto argValue = exprEvaluator->mResult;
- mModule->FixIntUnknown(argValue);
- if (argValue)
- {
- if (argValue.mType->IsRef())
- {
- exprEvaluator->FinishExpressionResult();
- }
- }
- resolvedArg.mTypedValue = argValue;
- resolvedArg.mExpression = argExpr;
- args.push_back(resolvedArg);
- };
- for (BfExpression* argExpr : arguments)
- {
- _AddArg(argExpr);
- }
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo) && (autoComplete->mMethodMatchInfo != NULL) && (autoComplete->mMethodMatchInfo->mInstanceList.size() != 0))
- autoComplete->mIsCapturingMethodMatchInfo = false;
- BfMethodMatcher methodMatcher(targetSrc, mModule, name, args, methodGenericArgs);
- methodMatcher.mMethodType = BfMethodType_Mixin;
- methodMatcher.mSkipImplicitParams = true;
- auto curTypeInst = mModule->mCurTypeInstance;
- if (mixinClass != NULL)
- curTypeInst = mixinClass;
- if (target.mType == NULL)
- {
- CheckLocalMethods(targetSrc, curTypeInst, name, methodMatcher, BfMethodType_Mixin);
- }
- if (methodMatcher.mBestMethodDef == NULL)
- methodMatcher.mBestMethodDef = methodMatcher.mBackupMethodDef;
- if (methodMatcher.mBestMethodDef == NULL)
- {
- if (mixinClass != NULL)
- methodMatcher.CheckType(mixinClass, BfTypedValue(), false);
- else
- methodMatcher.CheckType(mModule->mCurTypeInstance, BfTypedValue(), false);
- }
- if ((methodMatcher.mBestMethodDef == NULL) && (target.mType == NULL) && (mModule->mContext->mCurTypeState != NULL))
- {
- BF_ASSERT(mModule->mCurTypeInstance == mModule->mContext->mCurTypeState->mType);
- BfGlobalLookup globalLookup;
- globalLookup.mKind = BfGlobalLookup::Kind_Method;
- globalLookup.mName = name;
- mModule->PopulateGlobalContainersList(globalLookup);
- for (auto& globalContainer : mModule->mContext->mCurTypeState->mGlobalContainers)
- {
- if (globalContainer.mTypeInst == NULL)
- continue;
- methodMatcher.CheckType(globalContainer.mTypeInst, BfTypedValue(), false);
- if (methodMatcher.mBestMethodDef != NULL)
- break;
- }
- }
- if (methodMatcher.mBestMethodDef == NULL)
- {
- BfStaticSearch* staticSearch = mModule->GetStaticSearch();
- if (staticSearch != NULL)
- {
- for (auto typeInst : staticSearch->mStaticTypes)
- {
- if (methodMatcher.CheckType(typeInst, BfTypedValue(), false))
- {
- if (methodMatcher.mBestMethodDef != NULL)
- break;
- }
- }
- }
- }
- if (methodMatcher.mBestMethodDef == NULL)
- {
- mModule->Fail("Cannot find mixin", targetSrc);
- return;
- }
- auto resolvePassData = mModule->mCompiler->mResolvePassData;
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(targetNameNode)) && (autoComplete->mDefType == NULL))
- {
- autoComplete->mInsertStartIdx = targetNameNode->GetSrcStart();
- autoComplete->mInsertEndIdx = targetNameNode->GetSrcEnd();
- autoComplete->mDefType = methodMatcher.mBestMethodTypeInstance->mTypeDef;
- autoComplete->mDefMethod = methodMatcher.mBestMethodDef;
- autoComplete->SetDefinitionLocation(methodMatcher.mBestMethodDef->GetMethodDeclaration()->mNameNode);
- }
- if ((mModule->mCompiler->mResolvePassData != NULL) && (mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind == BfGetSymbolReferenceKind_Method))
- {
- targetNameNode->SetSrcEnd(targetNameNode->GetSrcEnd() - 1);
- mModule->mCompiler->mResolvePassData->HandleMethodReference(targetNameNode, methodMatcher.mBestMethodTypeInstance->mTypeDef, methodMatcher.mBestMethodDef);
- targetNameNode->SetSrcEnd(targetNameNode->GetSrcEnd() + 1);
- }
- auto curMethodState = mModule->mCurMethodState;
- auto moduleMethodInstance = GetSelectedMethod(targetSrc, methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef, methodMatcher);
- if (!moduleMethodInstance)
- {
- if (methodMatcher.mHasVarArguments)
- {
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- return;
- }
- mModule->Fail("Failed to get selected mixin", targetSrc);
- return;
- }
- if (!mModule->CheckUseMethodInstance(moduleMethodInstance.mMethodInstance, targetSrc))
- return;
- auto methodInstance = moduleMethodInstance.mMethodInstance;
- PerformCallChecks(methodInstance, targetSrc);
- for (int checkGenericIdx = 0; checkGenericIdx < (int)methodMatcher.mBestMethodGenericArguments.size(); checkGenericIdx++)
- {
- auto& genericParams = methodInstance->mMethodInfoEx->mGenericParams;
- auto genericArg = methodMatcher.mBestMethodGenericArguments[checkGenericIdx];
- if (genericArg->IsVar())
- continue;
- BfAstNode* paramSrc;
- if (methodMatcher.mBestMethodGenericArgumentSrcs.size() == 0)
- paramSrc = targetSrc;
- else
- paramSrc = methodMatcher.mArguments[methodMatcher.mBestMethodGenericArgumentSrcs[checkGenericIdx]].mExpression;
- // Note: don't pass methodMatcher.mBestMethodGenericArguments into here, this method is already specialized
- BfError* error = NULL;
- if (!mModule->CheckGenericConstraints(BfGenericParamSource(methodInstance), genericArg, paramSrc, genericParams[checkGenericIdx], NULL, &error))
- {
- if (methodInstance->mMethodDef->mMethodDeclaration != NULL)
- {
- if (error != NULL)
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- }
- }
- }
- if (curMethodState->mCurScope->mMixinDepth >= 128)
- {
- mModule->Fail("Maximum nested mixin depth exceeded", targetSrc);
- return;
- }
- // Check circular ref based on methodInstance. We must check the arg types since we could be making progress in mixin evaluation
- // based on method selection within the mixin dependent on args
- {
- bool hasCircularRef = false;
- BfMixinState* checkMixinState = NULL;
- auto checkMethodState = curMethodState;
- while (checkMethodState != NULL)
- {
- auto curMixinState = checkMethodState->mMixinState;
- while (curMixinState != NULL)
- {
- if ((curMixinState->mDoCircularVarResult) && (curMixinState->mMixinMethodInstance == methodInstance))
- {
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- return;
- }
- if ((!curMixinState->mCheckedCircularRef) && (curMixinState->mMixinMethodInstance == methodInstance))
- {
- checkMixinState = curMixinState;
- checkMixinState->mCheckedCircularRef = true;
- }
- else if (checkMixinState != NULL)
- {
- if ((curMixinState->mMixinMethodInstance == checkMixinState->mMixinMethodInstance) &&
- (curMixinState->mArgTypes == checkMixinState->mArgTypes) &&
- (curMixinState->mArgConsts.mSize == checkMixinState->mArgConsts.mSize))
- {
- bool constsMatch = true;
- for (int i = 0; i < curMixinState->mArgConsts.mSize; i++)
- {
- if (!mModule->mBfIRBuilder->CheckConstEquality(curMixinState->mArgConsts[i], checkMixinState->mArgConsts[i]))
- {
- constsMatch = false;
- break;
- }
- }
- if (constsMatch)
- hasCircularRef = true;
- }
- }
- curMixinState = curMixinState->mPrevMixinState;
- }
- checkMethodState = checkMethodState->mPrevMethodState;
- }
- if (hasCircularRef)
- {
- for (auto argType : checkMixinState->mArgTypes)
- {
- if (argType->IsVar())
- checkMixinState->mDoCircularVarResult = true;
- }
- if (checkMixinState->mDoCircularVarResult)
- {
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- return;
- }
- mModule->Fail("Circular reference detected between mixins", targetSrc);
- return;
- }
- }
- AddCallDependencies(methodInstance);
- if (!methodMatcher.mBestMethodDef->mIsStatic)
- {
- if ((!target) && (allowImplicitThis))
- target = mModule->GetThis();
- if (!target)
- {
- BfError* error = mModule->Fail(StrFormat("An instance reference is required to invoke the non-static mixin '%s'",
- mModule->MethodToString(methodInstance).c_str()), targetSrc);
- if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- }
- }
- else
- {
- if (target)
- {
- BfError* error = mModule->Fail(StrFormat("Mixin '%s' cannot be accessed with an instance reference; qualify it with a type name instead",
- mModule->MethodToString(methodInstance).c_str()), targetSrc);
- if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- }
- }
- int methodParamCount = (int)methodInstance->GetParamCount();
- // Implicit params are ignored for calling- they should be resolved at the injection site
- int implicitParamCount = methodInstance->GetImplicitParamCount();
- int explicitParamCount = methodParamCount - implicitParamCount;
- while ((int)args.size() < explicitParamCount)
- {
- int argIdx = (int)args.size();
- BfExpression* expr = methodInstance->GetParamInitializer(argIdx);
- if (expr == NULL)
- break;
- _AddArg(expr);
- }
- if ((int)args.size() < explicitParamCount)
- {
- BfError* error = mModule->Fail(StrFormat("Not enough arguments specified, expected %d more.", explicitParamCount - (int)arguments.size()), targetSrc);
- if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- return;
- }
- else if ((int)args.size() > explicitParamCount)
- {
- BfError* error = mModule->Fail(StrFormat("Too many arguments specified, expected %d fewer.", (int)arguments.size() - explicitParamCount), targetSrc);
- if ((error != NULL) && (methodInstance->mMethodDef->GetRefNode() != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- return;
- }
- int paramIdx = implicitParamCount;
- auto argExprEvaluatorItr = argExprEvaluators.begin();
- for (int argIdx = 0; argIdx < (int)args.size(); argIdx++)
- {
- auto exprEvaluator = *argExprEvaluatorItr;
- //auto paramType = methodInstance->GetParamKind(paramIdx);
- BfType* wantType = methodInstance->mParams[paramIdx].mResolvedType;
- auto& arg = args[argIdx];
- if ((arg.mArgFlags & BfArgFlag_VariableDeclaration) != 0)
- {
- arg.mTypedValue = ResolveArgValue(arg, wantType);
- }
- if (wantType->IsGenericParam())
- {
- //
- }
- else if (!wantType->IsVar())
- {
- if (arg.mTypedValue.mType == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- if (arg.mTypedValue.mType != wantType)
- {
- exprEvaluator->FinishExpressionResult();
- arg.mTypedValue = mModule->LoadValue(arg.mTypedValue);
- arg.mTypedValue = mModule->Cast(arg.mExpression, arg.mTypedValue, wantType);
- /*// Do this to generate default implicit cast error
- mModule->Fail(StrFormat("Mixin argument type '%s' must match parameter type '%s'.",
- mModule->TypeToString(arg.mTypedValue.mType).c_str(),
- mModule->TypeToString(wantType).c_str()), arg.mExpression);
- return;*/
- }
- }
- paramIdx++;
- argExprEvaluatorItr++;
- }
- mModule->AddDependency(methodInstance->GetOwner(), mModule->mCurTypeInstance, BfDependencyMap::DependencyFlag_InlinedCall);
- auto startBlock = mModule->mBfIRBuilder->CreateBlock("mixinStart");
- mModule->mBfIRBuilder->CreateBr(startBlock);
- mModule->mBfIRBuilder->AddBlock(startBlock);
- mModule->mBfIRBuilder->SetInsertPoint(startBlock);
- //auto prevDebugLoc = mModule->mBfIRBuilder->getCurrentDebugLocation();
- // This is so when we debug we can hit a steppoint on the inlined "call line"
- mModule->EmitEnsureInstructionAt();
- auto rootMethodState = mModule->mCurMethodState->GetRootMethodState();
- BfMixinState* mixinState = rootMethodState->mMixinStates.Alloc();
- mixinState->mInjectFilePosition = mModule->mCurFilePosition;
- mixinState->mPrevMixinState = curMethodState->mMixinState;
- mixinState->mLocalsStartIdx = (int)mModule->mCurMethodState->mLocals.size();
- mixinState->mMixinMethodInstance = methodInstance;
- mixinState->mSource = origTargetSrc;
- mixinState->mCallerScope = mModule->mCurMethodState->mCurScope;
- mixinState->mTargetScope = mixinState->mCallerScope;
- mixinState->mResultExpr = NULL;
- mixinState->mHasDeferredUsage = false;
- mixinState->mUsedInvocationScope = false;
- mixinState->mTarget = target;
- auto checkNode = origTargetSrc;
- if (scopedInvocationTarget != NULL)
- {
- auto targetScope = mModule->FindScope(scopedInvocationTarget->mScopeName, curMethodState->mMixinState);
- if (targetScope != NULL)
- {
- mixinState->mTargetScope = targetScope;
- if (autoComplete != NULL)
- {
- if (auto identifer = BfNodeDynCast<BfIdentifierNode>(scopedInvocationTarget->mScopeName))
- autoComplete->CheckLabel(identifer, NULL, targetScope);
- }
- }
- }
- mModule->mBfIRBuilder->SaveDebugLocation();
- SetAndRestoreValue<BfMixinState*> prevMixinState(curMethodState->mMixinState, mixinState);
- SetAndRestoreValue<BfExprEvaluator*> prevExprEvaluator(curMethodState->mCurScope->mExprEvaluator, NULL);
- SetAndRestoreValue<BfPendingNullConditional*> prevNullConditional(curMethodState->mPendingNullConditional, NULL);
- BfGetSymbolReferenceKind prevSymbolRefKind = BfGetSymbolReferenceKind_None;
- if (mModule->mCompiler->mResolvePassData != NULL)
- {
- prevSymbolRefKind = mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind;
- mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind = BfGetSymbolReferenceKind_None;
- }
- defer
- (
- {
- if (mModule->mCompiler->mResolvePassData != NULL)
- mModule->mCompiler->mResolvePassData->mGetSymbolReferenceKind = prevSymbolRefKind;
- }
- );
- auto methodDef = methodInstance->mMethodDef;
- auto methodDeclaration = methodDef->GetMethodDeclaration();
- BfScopeData scopeData;
- scopeData.mCloseNode = methodDeclaration->mBody;
- if (auto block = BfNodeDynCast<BfBlock>(methodDeclaration->mBody))
- {
- if (block->mCloseBrace != NULL)
- scopeData.mCloseNode = block->mCloseBrace;
- }
- curMethodState->AddScope(&scopeData);
- curMethodState->mCurScope->mMixinDepth++;
- // We can't flush scope state because we extend params in as arbitrary values
- mModule->NewScopeState(true, false);
- bool wantsDIData = (mModule->mBfIRBuilder->DbgHasInfo()) && (mModule->mHasFullDebugInfo);
- DISubprogram* diFunction = NULL;
- int startLocalIdx = (int)mModule->mCurMethodState->mLocals.size();
- int endLocalIdx = startLocalIdx;
- if ((wantsDIData) || (mModule->mIsComptimeModule))
- {
- BfIRMDNode diFuncType = mModule->mBfIRBuilder->DbgCreateSubroutineType(methodInstance);
- //int defLine = mModule->mCurFilePosition.mCurLine;
- int flags = 0;
- curMethodState->mCurScope->mDIInlinedAt = mModule->mBfIRBuilder->DbgGetCurrentLocation();
- // We used to have the "def" line be the inlining position, but the linker we de-duplicate instances of these functions without regard to their unique line
- // definitions, so we need to be consistent and use the actual line
- mModule->UpdateSrcPos(methodDeclaration->mNameNode, BfSrcPosFlag_NoSetDebugLoc);
- int defLine = mModule->mCurFilePosition.mCurLine;
- auto diParentType = mModule->mBfIRBuilder->DbgGetTypeInst(methodInstance->GetOwner());
- if (!mModule->mBfIRBuilder->mIgnoreWrites)
- {
- String methodName = methodDef->mName;
- methodName += "!";
- BfMangler::Mangle(methodName, mModule->mCompiler->GetMangleKind(), methodInstance);
- String linkageName;
- if ((mModule->mIsComptimeModule) && (mModule->mCompiler->mCeMachine->mCurBuilder != NULL))
- linkageName = StrFormat("%d", mModule->mCompiler->mCeMachine->mCurBuilder->DbgCreateMethodRef(methodInstance, ""));
- curMethodState->mCurScope->mDIScope = mModule->mBfIRBuilder->DbgCreateFunction(diParentType, methodName, linkageName, mModule->mCurFilePosition.mFileInstance->mDIFile,
- defLine + 1, diFuncType, false, true, mModule->mCurFilePosition.mCurLine + 1, flags, false, BfIRValue());
- scopeData.mAltDIFile = mModule->mCurFilePosition.mFileInstance->mDIFile;
- }
- }
- if (methodDef->mBody != NULL)
- mModule->UpdateSrcPos(methodDef->mBody);
- mModule->SetIllegalSrcPos();
- auto _AddLocalVariable = [&](BfLocalVariable* newLocalVar, BfExprEvaluator* exprEvaluator)
- {
- mModule->SetIllegalSrcPos();
- bool hasConstValue = newLocalVar->mConstValue;
- if (hasConstValue)
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(newLocalVar->mConstValue);
- hasConstValue = constant->mConstType < BfConstType_GlobalVar;
- }
- if ((exprEvaluator != NULL) && (exprEvaluator->mResultLocalVar != NULL) && (exprEvaluator->mResultLocalVarField == 0))
- {
- mModule->UpdateSrcPos(methodDeclaration->mNameNode);
- mModule->AddLocalVariableDef(newLocalVar, hasConstValue);
- auto inLocalVar = exprEvaluator->mResultLocalVar;
- newLocalVar->mAssignedKind = inLocalVar->mAssignedKind;
- newLocalVar->mUnassignedFieldFlags = inLocalVar->mUnassignedFieldFlags;
- newLocalVar->mReadFromId = inLocalVar->mReadFromId;
- newLocalVar->mIsReadOnly = inLocalVar->mIsReadOnly;
- if ((newLocalVar->mAssignedKind == BfLocalVarAssignKind_None) && (mModule->mCurMethodState->mDeferredLocalAssignData != NULL))
- {
- for (auto deferredAssign : mModule->mCurMethodState->mDeferredLocalAssignData->mAssignedLocals)
- {
- if (deferredAssign.mLocalVar == inLocalVar)
- newLocalVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
- }
- }
- }
- else
- {
- mModule->AddLocalVariableDef(newLocalVar, hasConstValue);
- }
- if ((wantsDIData) && (!mModule->mBfIRBuilder->mIgnoreWrites))
- {
- bool handled = false;
- mModule->UpdateSrcPos(methodDeclaration->mNameNode);
- if (hasConstValue)
- {
- // Already handled
- handled = true;
- }
- else if (newLocalVar->mIsSplat)
- {
- bool found = false;
- auto checkMethodState = mModule->mCurMethodState;
- while ((checkMethodState != NULL) && (!found))
- {
- for (auto localVar : checkMethodState->mLocals)
- {
- if (localVar == newLocalVar)
- continue;
- if (!localVar->mIsSplat)
- continue;
- if (newLocalVar->mValue != localVar->mAddr)
- continue;
- bool isDupName = false;
- for (auto param : methodDef->mParams)
- {
- if (param->mName == localVar->mName)
- {
- isDupName = true;
- break;
- }
- }
- if (isDupName)
- {
- auto splatAgg = mModule->AggregateSplat(BfTypedValue(newLocalVar->mValue, newLocalVar->mResolvedType, BfTypedValueKind_SplatHead));
- // Don't allow alias if one of our args has the same name
- newLocalVar->mIsSplat = false;
- newLocalVar->mValue = BfIRValue();
- if (splatAgg.IsAddr())
- newLocalVar->mAddr = splatAgg.mValue;
- else
- newLocalVar->mValue = splatAgg.mValue;
- found = true;
- break;
- }
- String name = "$";
- name += newLocalVar->mName;
- name += "$alias$";
- name += localVar->mName;
- // auto fakeValue = mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int32, 0);
- // auto diType = mModule->mBfIRBuilder->DbgGetType(mModule->GetPrimitiveType(BfTypeCode_Int32));
- // auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
- // name, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
- // mModule->mBfIRBuilder->DbgInsertValueIntrinsic(fakeValue, diVariable);
- auto diType = mModule->mBfIRBuilder->DbgGetType(mModule->GetPrimitiveType(BfTypeCode_NullPtr));
- auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
- name, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
- mModule->mBfIRBuilder->DbgInsertValueIntrinsic(mModule->mBfIRBuilder->CreateConstNull(), diVariable);
- handled = true;
- found = true;
- break;
- }
- checkMethodState = checkMethodState->mPrevMethodState;
- }
- }
- if (handled)
- {
- //
- }
- else if ((mModule->IsTargetingBeefBackend()) && (!mModule->mIsComptimeModule))
- {
- mModule->UpdateSrcPos(methodDeclaration->mNameNode);
- mModule->SetIllegalSrcPos();
- // With the Beef backend we can assign two variables to the same value, but LLVM does not allow this
- // so we have to create a ref to that variable
- auto diType = mModule->mBfIRBuilder->DbgGetType(newLocalVar->mResolvedType);
- auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
- newLocalVar->mName, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
- if (newLocalVar->mIsSplat)
- {
- //TODO: Implement
- }
- else if (newLocalVar->mResolvedType->IsValuelessType())
- {
- // Do nothing
- }
- else
- {
- BfIRValue value = newLocalVar->mValue;
- if (newLocalVar->mAddr)
- value = newLocalVar->mAddr;
- else if (newLocalVar->mConstValue)
- value = newLocalVar->mConstValue;
- auto aliasValue = mModule->mBfIRBuilder->CreateAliasValue(value);
- if (mModule->WantsLifetimes())
- scopeData.mDeferredLifetimeEnds.Add(aliasValue);
- if (newLocalVar->mAddr)
- mModule->mBfIRBuilder->DbgInsertDeclare(aliasValue, diVariable);
- else
- {
- if (newLocalVar->mResolvedType->IsBoolean())
- {
- // Fix case of remote condbr referencing
- newLocalVar->mAddr = mModule->CreateAlloca(newLocalVar->mResolvedType);
- mModule->mBfIRBuilder->CreateStore(newLocalVar->mValue, newLocalVar->mAddr);
- }
- mModule->mBfIRBuilder->DbgInsertValueIntrinsic(aliasValue, diVariable);
- }
- }
- }
- else if (newLocalVar->mAddr)
- {
- mModule->UpdateSrcPos(methodDeclaration->mNameNode);
- mModule->SetIllegalSrcPos();
- auto refType = mModule->CreateRefType(newLocalVar->mResolvedType);
- auto allocaVal = mModule->CreateAlloca(refType);
- mModule->mBfIRBuilder->CreateStore(newLocalVar->mAddr, allocaVal);
- if (!mModule->mBfIRBuilder->mIgnoreWrites)
- {
- auto diType = mModule->mBfIRBuilder->DbgGetType(refType);
- auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
- newLocalVar->mName, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
- mModule->mBfIRBuilder->DbgInsertDeclare(allocaVal, diVariable);
- }
- }
- else if (newLocalVar->mValue)
- {
- mModule->UpdateSrcPos(methodDeclaration->mNameNode);
- mModule->SetIllegalSrcPos();
- auto localVal = LoadLocal(newLocalVar);
- localVal = mModule->LoadValue(localVal);
- localVal = mModule->AggregateSplat(localVal);
- BfType* allocType = localVal.mType;
- if (!allocType->IsValuelessType())
- {
- auto allocaVal = mModule->CreateAlloca(allocType);
- mModule->mBfIRBuilder->CreateStore(localVal.mValue, allocaVal);
- if (!mModule->mBfIRBuilder->mIgnoreWrites)
- {
- if (newLocalVar->mIsSplat)
- {
- //TODO: Implement
- }
- else
- {
- auto diType = mModule->mBfIRBuilder->DbgGetType(allocType);
- auto diVariable = mModule->mBfIRBuilder->DbgCreateAutoVariable(mModule->mCurMethodState->mCurScope->mDIScope,
- newLocalVar->mName, mModule->mCurFilePosition.mFileInstance->mDIFile, mModule->mCurFilePosition.mCurLine, diType);
- mModule->mBfIRBuilder->DbgInsertDeclare(allocaVal, diVariable);
- }
- }
- }
- }
- }
- newLocalVar->mParamIdx = -3;
- mixinState->mArgTypes.Add(newLocalVar->mResolvedType);
- if (mModule->mBfIRBuilder->IsConstValue(newLocalVar->mConstValue))
- mixinState->mArgConsts.Add(newLocalVar->mConstValue);
- };
- argExprEvaluatorItr = argExprEvaluators.begin();
- for (int argIdx = methodDef->mIsStatic ? 0 : -1; argIdx < (int)explicitParamCount; argIdx++)
- {
- int paramIdx = argIdx;
- auto exprEvaluator = *argExprEvaluatorItr;
- BfTypedValue argValue;
- BfLocalVariable* localVar = new BfLocalVariable();
- if (argIdx == -1)
- {
- argValue = target;
- localVar->mName = "this";
- localVar->mIsThis = true;
- localVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
- }
- else
- {
- auto arg = &args[argIdx];
- auto paramDef = methodDef->mParams[paramIdx];
- localVar->mName = paramDef->mName;
- if (!arg->mTypedValue)
- {
- auto wantType = methodInstance->GetParamType(paramIdx);
- if (wantType->IsVar())
- wantType = mModule->mContext->mBfObjectType;
- arg->mTypedValue = mModule->GetDefaultTypedValue(wantType);
- }
- argValue = arg->mTypedValue;
- }
- if (!argValue)
- continue;
- localVar->mResolvedType = argValue.mType;
- if (argValue.mType->IsRef())
- {
- auto refType = (BfRefType*)localVar->mResolvedType;
- localVar->mAddr = mModule->LoadValue(argValue).mValue;
- localVar->mResolvedType = argValue.mType->GetUnderlyingType();
- localVar->mAssignedKind = (refType->mRefKind != BfRefType::RefKind_Out) ? BfLocalVarAssignKind_Unconditional : BfLocalVarAssignKind_None;
- }
- else if (argValue.IsAddr())
- localVar->mAddr = argValue.mValue;
- else
- {
- if (!argValue.mValue)
- {
- // Untyped value
- }
- else if (argValue.mValue.IsConst())
- {
- localVar->mConstValue = argValue.mValue;
- }
- else if (argValue.IsSplat())
- {
- localVar->mValue = argValue.mValue;
- localVar->mIsSplat = true;
- }
- else
- {
- if (argValue.IsAddr())
- localVar->mAddr = argValue.mValue;
- else
- localVar->mValue = argValue.mValue;
- }
- localVar->mIsReadOnly = argValue.IsReadOnly();
- }
- if (argValue.IsReadOnly())
- localVar->mIsReadOnly = true;
- if (argIdx == -1)
- {
- _AddLocalVariable(localVar, NULL);
- }
- else
- {
- _AddLocalVariable(localVar, exprEvaluator);
- endLocalIdx++;
- ++argExprEvaluatorItr;
- }
- }
- if (auto blockBody = BfNodeDynCast<BfBlock>(methodDef->mBody))
- {
- mModule->VisitCodeBlock(blockBody);
- if (mixinState->mResultExpr != NULL)
- {
- if (auto exprNode = BfNodeDynCast<BfExpression>(mixinState->mResultExpr))
- {
- if (!exprNode->IsA<BfBlock>())
- {
- // Mixin expression result
- SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_AllowRefExpr));
- mModule->UpdateSrcPos(exprNode);
- VisitChild(exprNode);
- FinishExpressionResult();
- ResolveGenericType();
- }
- }
- }
- GetResult();
- }
- else if (auto expr = BfNodeDynCast<BfExpression>(methodDef->mBody))
- {
- mModule->UpdateSrcPos(expr);
- mResult = mModule->CreateValueFromExpression(expr);
- }
- if (!mResult)
- {
- // If we didn't have an expression body then just make the result "void"
- mResult = BfTypedValue(BfIRValue(), mModule->GetPrimitiveType(BfTypeCode_None));
- }
- mResult = mModule->RemoveRef(mResult);
- if (mResult.IsAddr())
- {
- if (mModule->mCurMethodState->mCurScope->ExtendLifetime(mResult.mValue))
- mModule->mBfIRBuilder->CreateLifetimeSoftEnd(mResult.mValue);
- }
- int localIdx = startLocalIdx;
- argExprEvaluatorItr = argExprEvaluators.begin();
- for (; localIdx < endLocalIdx; localIdx++)
- {
- auto exprEvaluator = *argExprEvaluatorItr;
- BfLocalVariable* localVar = curMethodState->mLocals[localIdx];
- //TODO: Merge unassigned flags together
- if ((exprEvaluator != NULL) && (exprEvaluator->mResultLocalVar != NULL))
- {
- auto inLocalVar = exprEvaluator->mResultLocalVar;
- if (localVar->mAssignedKind != BfLocalVarAssignKind_None)
- inLocalVar->mAssignedKind = BfLocalVarAssignKind_Unconditional;
- if (localVar->mReadFromId != -1)
- inLocalVar->mReadFromId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- }
- ++argExprEvaluatorItr;
- }
- if (auto blockBody = BfNodeDynCast<BfBlock>(methodDef->mBody))
- {
- if (blockBody->mCloseBrace != NULL)
- mModule->UpdateSrcPos(blockBody->mCloseBrace);
- }
- else if (auto methodDeclaration = BfNodeDynCast<BfMethodDeclaration>(methodDef->mMethodDeclaration))
- {
- if (methodDeclaration->mFatArrowToken != NULL)
- mModule->UpdateSrcPos(methodDeclaration->mFatArrowToken);
- }
- mModule->RestoreScopeState();
- prevMixinState.Restore();
- if ((scopedInvocationTarget != NULL) && (scopedInvocationTarget->mScopeName != NULL) && (!mixinState->mUsedInvocationScope))
- {
- mModule->Warn(0, "Scope specifier was not referenced in mixin", scopedInvocationTarget->mScopeName);
- }
- if (mixinState->mHasDeferredUsage)
- {
- mixinState->mTarget = BfTypedValue();
- // Put deferred mixin states at the front
- BF_ASSERT(rootMethodState->mMixinStates.back() == mixinState);
- rootMethodState->mMixinStates.pop_back();
- rootMethodState->mMixinStates.Insert(0, mixinState);
- }
- else
- {
- BF_ASSERT(rootMethodState->mMixinStates.back() == mixinState);
- rootMethodState->mMixinStates.pop_back();
- delete mixinState;
- }
- mModule->mBfIRBuilder->RestoreDebugLocation();
- mModule->mBfIRBuilder->DupDebugLocation();
- }
- void BfExprEvaluator::SetMethodElementType(BfAstNode* target)
- {
- if (auto delegateBindExpr = BfNodeDynCast<BfDelegateBindExpression>(target))
- {
- SetMethodElementType(delegateBindExpr->mTarget);
- return;
- }
- if (auto lambdaBindExpr = BfNodeDynCast<BfLambdaBindExpression>(target))
- {
- return;
- }
- if (auto attributedIdentifierNode = BfNodeDynCast<BfAttributedIdentifierNode>(target))
- {
- if (attributedIdentifierNode->mIdentifier != NULL)
- mModule->SetElementType(attributedIdentifierNode->mIdentifier, BfSourceElementType_Method);
- }
- else if (auto memberReferenceExpr = BfNodeDynCast<BfMemberReferenceExpression>(target))
- {
- if (memberReferenceExpr->mMemberName != NULL)
- SetMethodElementType(memberReferenceExpr->mMemberName);
- }
- else if (auto qualifiedNameNode = BfNodeDynCast<BfQualifiedNameNode>(target))
- SetMethodElementType(qualifiedNameNode->mRight);
- else
- mModule->SetElementType(target, BfSourceElementType_Method);
- }
- void BfExprEvaluator::DoInvocation(BfAstNode* target, BfMethodBoundExpression* methodBoundExpr, const BfSizedArray<BfExpression*>& args, const BfMethodGenericArguments& methodGenericArgs, BfTypedValue* outCascadeValue)
- {
- auto methodGenericArguments = methodGenericArgs.mArguments;
- // Just a check
- mModule->mBfIRBuilder->GetInsertBlock();
- bool wasCapturingMethodInfo = false;
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (methodGenericArguments != NULL))
- {
- for (BfAstNode* methodGenericArg : *methodGenericArguments)
- {
- autoComplete->CheckNode(methodGenericArg, false, true);
- }
- }
- if ((autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo))
- {
- // We don't want to capture a call within the target node
- wasCapturingMethodInfo = true;
- autoComplete->mIsCapturingMethodMatchInfo = false;
- }
- bool allowImplicitThis = false;
- BfAstNode* methodNodeSrc = target;
- BfAttributeState attributeState;
- attributeState.mTarget = (BfAttributeTargets)(BfAttributeTargets_Invocation | BfAttributeTargets_MemberAccess);
- if (auto scopedTarget = BfNodeDynCast<BfScopedInvocationTarget>(target))
- {
- target = scopedTarget->mTarget;
- if (autoComplete != NULL)
- {
- if (auto identifier = BfNodeDynCast<BfIdentifierNode>(scopedTarget->mScopeName))
- autoComplete->CheckLabel(identifier, scopedTarget->mColonToken, NULL);
- }
- //mModule->FindScope(scopedTarget->mScopeName);
- }
- bool isCascade = false;
- BfAstNode* cascadeOperatorToken = NULL;
- bool bypassVirtual = false;
- bool gaveUnqualifiedDotError = false;
- String targetFunctionName;
- BfTypedValue thisValue;
- //TODO: This may just be a fully qualified static method name, so let's check that also
- if (auto memberRefExpression = BfNodeDynCast<BfMemberReferenceExpression>(target))
- {
- if (autoComplete != NULL)
- {
- if (memberRefExpression->mTarget != NULL)
- autoComplete->CheckMemberReference(memberRefExpression->mTarget, memberRefExpression->mDotToken, memberRefExpression->mMemberName, false, mExpectingType);
- else if (mExpectingType != NULL)
- {
- String filter;
- if ((autoComplete != NULL) && (autoComplete->InitAutocomplete(memberRefExpression->mDotToken, memberRefExpression->mMemberName, filter)))
- {
- auto typeInst = mExpectingType->ToTypeInstance();
- if (typeInst != NULL)
- {
- String filter;
- if ((memberRefExpression->mMemberName != NULL) && (autoComplete->IsAutocompleteNode(memberRefExpression->mMemberName)))
- filter = autoComplete->GetFilter(memberRefExpression->mMemberName);
- bool allowPrivate = typeInst == mModule->mCurTypeInstance;
- autoComplete->AddEnumTypeMembers(typeInst, filter, false, allowPrivate);
- autoComplete->AddSelfResultTypeMembers(typeInst, typeInst, filter, allowPrivate);
- }
- }
- }
- }
- if ((memberRefExpression->mTarget == NULL) && (memberRefExpression->mMemberName == NULL))
- {
- auto expectingType = mExpectingType;
- if ((expectingType != NULL) && (expectingType->IsNullable()))
- {
- auto underlyingType = expectingType->GetUnderlyingType();
- expectingType = underlyingType;
- }
- BfType* inRefType = NULL;
- if ((expectingType != NULL) && (expectingType->IsRef()))
- {
- auto refType = (BfRefType*)expectingType;
- if (refType->mRefKind == BfRefType::RefKind_In)
- {
- inRefType = expectingType;
- auto underlyingType = expectingType->GetUnderlyingType();
- expectingType = underlyingType;
- }
- }
- if (expectingType != NULL)
- {
- if (expectingType->IsSizedArray())
- {
- if (mModule->mParentNodeEntry != NULL)
- {
- if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
- {
- InitializedSizedArray((BfSizedArrayType*)expectingType, invocationExpr->mOpenParen, invocationExpr->mArguments, invocationExpr->mCommas, invocationExpr->mCloseParen);
- return;
- }
- }
- }
- else if ((expectingType->IsStruct()) || (expectingType->IsTypedPrimitive()))
- {
- if ((wasCapturingMethodInfo) && (autoComplete->mMethodMatchInfo != NULL))
- {
- autoComplete->mIsCapturingMethodMatchInfo = true;
- BF_ASSERT(autoComplete->mMethodMatchInfo != NULL);
- }
- if (mModule->mParentNodeEntry != NULL)
- {
- if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
- {
- BfResolvedArgs argValues(invocationExpr->mOpenParen, &invocationExpr->mArguments, &invocationExpr->mCommas, invocationExpr->mCloseParen);
- BfResolveArgsFlags resolveArgsFlags = BfResolveArgsFlag_DeferParamEval;
- ResolveArgValues(argValues, resolveArgsFlags);
- if ((mReceivingValue != NULL) && (mReceivingValue->mType == expectingType) && (mReceivingValue->IsAddr()))
- {
- mResult = *mReceivingValue;
- mReceivingValue = NULL;
- }
- else
- mResult = BfTypedValue(mModule->CreateAlloca(expectingType), expectingType, BfTypedValueKind_TempAddr);
- auto ctorResult = MatchConstructor(target, methodBoundExpr, mResult, expectingType->ToTypeInstance(), argValues, false, BfMethodGenericArguments(), BfAllowAppendKind_No);
- if ((ctorResult) && (!ctorResult.mType->IsVoid()))
- mResult = ctorResult;
- mModule->ValidateAllocation(expectingType, invocationExpr->mTarget);
- if ((inRefType != NULL) && (mResult.mType == expectingType) && (mResult.IsAddr()))
- {
- // Put back the 'in'
- mResult = BfTypedValue(mResult.mValue, inRefType);
- }
- return;
- }
- }
- }
- else if (expectingType->IsGenericParam())
- {
- if (mModule->mParentNodeEntry != NULL)
- {
- if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
- {
- BfResolvedArgs argValues(invocationExpr->mOpenParen, &invocationExpr->mArguments, &invocationExpr->mCommas, invocationExpr->mCloseParen);
- BfResolveArgsFlags resolveArgsFlags = BfResolveArgsFlag_None;
- ResolveArgValues(argValues, resolveArgsFlags);
- if (!mModule->mCurMethodInstance->mIsUnspecializedVariation)
- CheckGenericCtor((BfGenericParamType*)expectingType, argValues, invocationExpr->mTarget);
- mResult = mModule->GetDefaultTypedValue(expectingType);
- return;
- }
- }
- }
- else if (expectingType->IsVar())
- {
- // Silently allow
- gaveUnqualifiedDotError = true;
- }
- else if (expectingType->IsPrimitiveType())
- {
- // Allow
- }
- else if ((mBfEvalExprFlags & BfEvalExprFlags_AppendFieldInitializer) == 0)
- {
- gaveUnqualifiedDotError = true;
- if (mModule->PreFail())
- mModule->Fail(StrFormat("Cannot use inferred constructor on type '%s'", mModule->TypeToString(expectingType).c_str()), memberRefExpression->mDotToken);
- }
- }
- }
- if (memberRefExpression->IsA<BfBaseExpression>())
- bypassVirtual = true;
- if (memberRefExpression->mMemberName != NULL)
- methodNodeSrc = memberRefExpression->mMemberName;
- if (auto attrIdentifier = BfNodeDynCast<BfAttributedIdentifierNode>(memberRefExpression->mMemberName))
- {
- if (attrIdentifier->mIdentifier != NULL)
- methodNodeSrc = attrIdentifier->mIdentifier;
- attributeState.mSrc = attrIdentifier->mAttributes;
- attributeState.mCustomAttributes = mModule->GetCustomAttributes(attrIdentifier->mAttributes, attributeState.mTarget);
- if (attrIdentifier->mIdentifier != NULL)
- targetFunctionName = attrIdentifier->mIdentifier->ToString();
- }
- else if (memberRefExpression->mMemberName != NULL)
- targetFunctionName = memberRefExpression->mMemberName->ToString();
- if (memberRefExpression->mTarget == NULL)
- {
- if (mExpectingType)
- {
- if (mExpectingType->IsVar())
- {
- }
- mResult = BfTypedValue(mExpectingType);
- }
- else if (!gaveUnqualifiedDotError)
- mModule->Fail("Unqualified dot syntax can only be used when the result type can be inferred", memberRefExpression->mDotToken);
- }
- else if (auto typeRef = BfNodeDynCast<BfTypeReference>(memberRefExpression->mTarget))
- {
- // Static method
- mResult = BfTypedValue(ResolveTypeRef(typeRef));
- }
- if (auto leftIdentifier = BfNodeDynCast<BfIdentifierNode>(memberRefExpression->mTarget))
- {
- bool hadError = false;
- thisValue = LookupIdentifier(leftIdentifier, true, &hadError);
- CheckResultForReading(thisValue);
- if (mPropDef != NULL)
- thisValue = GetResult(true);
- if (hadError)
- {
- mModule->AssertErrorState();
- thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- if ((!thisValue) && (mPropDef == NULL))
- {
- // Identifier not found. Static method? Just check speculatively don't throw error
- BfType* type;
- {
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- type = mModule->ResolveTypeRef(leftIdentifier, NULL, BfPopulateType_DataAndMethods, BfResolveTypeRefFlag_NoResolveGenericParam);
- }
- if (type != NULL)
- thisValue = BfTypedValue(type);
- else if (auto qualifiedLeft = BfNodeDynCast<BfQualifiedNameNode>(leftIdentifier))
- {
- LookupQualifiedStaticField(qualifiedLeft, true);
- thisValue = mResult;
- mResult = BfTypedValue();
- }
- }
- if (mPropDef != NULL)
- thisValue = GetResult(true);
- if (!thisValue.mType)
- {
- mModule->Fail("Identifier not found", leftIdentifier);
- mModule->CheckTypeRefFixit(leftIdentifier);
- thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- if (mResult)
- CheckResultForReading(mResult);
- mResult = thisValue;
- }
- else if (auto expr = BfNodeDynCast<BfExpression>(memberRefExpression->mTarget))
- {
- BfType* expectingTargetType = NULL;
- if (memberRefExpression->mDotToken->mToken == BfToken_DotDot)
- expectingTargetType = mExpectingType;
- bool handled = false;
- if (auto subMemberRefExpr = BfNodeDynCast<BfMemberReferenceExpression>(expr))
- {
- String findName;
- if (subMemberRefExpr->mMemberName != NULL)
- findName = subMemberRefExpr->mMemberName->ToString();
- if (findName == "base") // Generic IFace<T>.base
- {
- thisValue = mModule->GetThis();
- if (thisValue)
- {
- VisitChild(subMemberRefExpr->mTarget);
- if (mResult.HasType())
- {
- if (mResult.mValue)
- {
- mModule->Fail("Type name expected", subMemberRefExpr->mTarget);
- }
- else
- {
- auto type = mResult.mType;
- if (type != NULL)
- {
- if ((thisValue.mType == type) || (!mModule->TypeIsSubTypeOf(thisValue.mType->ToTypeInstance(), type->ToTypeInstance())))
- {
- mModule->Fail(StrFormat("Type '%s' is not a base type of '%s'",
- mModule->TypeToString(type).c_str(),
- mModule->TypeToString(thisValue.mType).c_str()), subMemberRefExpr->mTarget);
- }
- else
- {
- if (type->IsInterface())
- {
- thisValue.mType = type;
- }
- else
- {
- auto castedThis = mModule->Cast(subMemberRefExpr->mMemberName, thisValue, type, BfCastFlags_Explicit);
- if (castedThis)
- thisValue = castedThis;
- //mModule->Fail("Explicit base types can only be used for specifying default interface members", qualifiedLeft->mLeft);
- }
- }
- handled = true;
- }
- bypassVirtual = true;
- }
- }
- }
- }
- }
- if (!handled)
- {
- SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
- auto flags = (BfEvalExprFlags)(BfEvalExprFlags_PropogateNullConditional | BfEvalExprFlags_NoCast);
- if (mFunctionBindResult != NULL)
- {
- if (auto paranExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
- {
- // Allow 'ref' on binding, to indicate we want to capture 'this' by reference
- flags = (BfEvalExprFlags)(flags | BfEvalExprFlags_AllowRefExpr);
- expr = paranExpr->mExpression;
- }
- }
- if (expr != NULL)
- mResult = mModule->CreateValueFromExpression(expr, expectingTargetType, flags);
- }
- }
- isCascade = (memberRefExpression->mDotToken != NULL) && (memberRefExpression->mDotToken->GetToken() == BfToken_DotDot);
- if (isCascade)
- cascadeOperatorToken = memberRefExpression->mDotToken;
- bool isNullCondLookup = (memberRefExpression->mDotToken != NULL) && (memberRefExpression->mDotToken->GetToken() == BfToken_QuestionDot);
- if (isNullCondLookup)
- mResult = SetupNullConditional(mResult, memberRefExpression->mDotToken);
- if ((mResult.mType == NULL) && (memberRefExpression->mTarget != NULL))
- {
- mModule->AssertErrorState();
- mResult = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- thisValue = mResult;
- mResult = BfTypedValue();
- if ((thisValue) && (memberRefExpression->mDotToken != NULL) && (memberRefExpression->mDotToken->mToken == BfToken_Arrow))
- thisValue = TryArrowLookup(thisValue, memberRefExpression->mDotToken);
- }
- else if (auto qualifiedName = BfNodeDynCast<BfQualifiedNameNode>(target))
- {
- if (GetAutoComplete() != NULL)
- GetAutoComplete()->CheckMemberReference(qualifiedName->mLeft, qualifiedName->mDot, qualifiedName->mRight);
- if (qualifiedName->mLeft->GetSrcLength() == 4)
- {
- if (CheckIsBase(qualifiedName->mLeft))
- bypassVirtual = true;
- }
- if (qualifiedName->mRight != NULL)
- methodNodeSrc = qualifiedName->mRight;
- if (auto attrIdentifier = BfNodeDynCast<BfAttributedIdentifierNode>(qualifiedName->mRight))
- {
- if (attrIdentifier->mIdentifier != NULL)
- methodNodeSrc = attrIdentifier->mIdentifier;
- attributeState.mSrc = attrIdentifier->mAttributes;
- attributeState.mCustomAttributes = mModule->GetCustomAttributes(attrIdentifier->mAttributes, attributeState.mTarget);
- targetFunctionName = attrIdentifier->mIdentifier->ToString();
- }
- else
- targetFunctionName = qualifiedName->mRight->ToString();
- bool hadError = false;
- thisValue = LookupIdentifier(qualifiedName->mLeft, true, &hadError);
- CheckResultForReading(thisValue);
- if (mPropDef != NULL)
- thisValue = GetResult(true);
- if (hadError)
- {
- mModule->AssertErrorState();
- thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- if ((!thisValue) && (mPropDef == NULL))
- {
- // Identifier not found. Static method? Just check speculatively don't throw error
- BfType* type;
- {
- //SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- type = mModule->ResolveTypeRef(qualifiedName->mLeft, NULL, BfPopulateType_DataAndMethods, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_NoResolveGenericParam | BfResolveTypeRefFlag_AllowGlobalContainer | BfResolveTypeRefFlag_IgnoreLookupError));
- }
- if (type == NULL)
- {
- //SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, true);
- type = mModule->ResolveTypeRef(qualifiedName, methodGenericArguments, BfPopulateType_DataAndMethods, (BfResolveTypeRefFlags)(BfResolveTypeRefFlag_NoResolveGenericParam | BfResolveTypeRefFlag_AllowGlobalContainer | BfResolveTypeRefFlag_IgnoreLookupError));
- if (type != NULL)
- {
- // This is a CTOR call, treat it as such
- targetFunctionName.clear();
- }
- }
- if (type != NULL)
- thisValue = BfTypedValue(type);
- else if (auto qualifiedLeft = BfNodeDynCast<BfQualifiedNameNode>(qualifiedName->mLeft))
- {
- String findName = qualifiedLeft->mRight->ToString();
- bool handled = false;
- if (findName == "base")
- {
- auto type = mModule->ResolveTypeRef(qualifiedLeft->mLeft, NULL, BfPopulateType_Data, BfResolveTypeRefFlag_AllowRef);
- mModule->CheckTypeRefFixit(qualifiedLeft->mLeft);
- thisValue = mModule->GetThis();
- if (type != NULL)
- {
- if ((thisValue.mType == type) || (!mModule->TypeIsSubTypeOf(thisValue.mType->ToTypeInstance(), type->ToTypeInstance())))
- {
- mModule->Fail(StrFormat("Type '%s' is not a base type of '%s'",
- mModule->TypeToString(type).c_str(),
- mModule->TypeToString(thisValue.mType).c_str()), qualifiedLeft->mLeft);
- }
- else
- {
- if (type->IsInterface())
- {
- thisValue.mType = type;
- }
- else
- {
- auto castedThis = mModule->Cast(qualifiedLeft->mRight, thisValue, type, BfCastFlags_Explicit);
- if (castedThis)
- thisValue = castedThis;
- //mModule->Fail("Explicit base types can only be used for specifying default interface members", qualifiedLeft->mLeft);
- }
- }
- handled = true;
- }
- bypassVirtual = true;
- }
- if (!handled)
- {
- LookupQualifiedStaticField(qualifiedLeft, true);
- thisValue = mResult;
- mResult = BfTypedValue();
- }
- }
- }
- if (mPropDef != NULL)
- thisValue = GetResult(true);
- if (!thisValue.mType)
- {
- mModule->Fail("Identifier not found", qualifiedName->mLeft);
- mModule->CheckTypeRefFixit(qualifiedName->mLeft);
- mModule->CheckIdentifierFixit(qualifiedName->mLeft);
- thisValue = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- }
- if (mResult)
- CheckResultForReading(mResult);
- mResult = BfTypedValue();
- }
- else if (auto identiferExpr = BfNodeDynCast<BfIdentifierNode>(target))
- {
- if (auto attrIdentifier = BfNodeDynCast<BfAttributedIdentifierNode>(target))
- {
- if (attrIdentifier->mIdentifier != NULL)
- methodNodeSrc = attrIdentifier->mIdentifier;
- attributeState.mSrc = attrIdentifier->mAttributes;
- attributeState.mCustomAttributes = mModule->GetCustomAttributes(attrIdentifier->mAttributes, attributeState.mTarget);
- }
- allowImplicitThis = true;
- if (autoComplete != NULL)
- autoComplete->CheckIdentifier(identiferExpr);
- targetFunctionName = target->ToString();
- if (targetFunctionName == "PrintF") // Just directly call that one
- {
- BfType* charType = mModule->GetPrimitiveType(BfTypeCode_Char8);
- BfType* charPtrType = mModule->CreatePointerType(charType);
- auto func = mModule->GetBuiltInFunc(BfBuiltInFuncType_PrintF);
- SizedArray<BfIRValue, 4> irArgs;
- for (BfExpression* arg : args)
- {
- BfTypedValue value;
- if (arg != NULL)
- value = mModule->CreateValueFromExpression(arg);
- if (!value)
- return;
- auto typeInst = value.mType->ToTypeInstance();
- if ((typeInst != NULL) && (typeInst->IsInstanceOf(mModule->mCompiler->mStringTypeDef)))
- value = mModule->Cast(arg, value, charPtrType);
- if ((value.mType->IsFloat()) && (value.mType->mSize != 8)) // Always cast float to double
- value = mModule->Cast(arg, value, mModule->GetPrimitiveType(BfTypeCode_Double));
- irArgs.push_back(value.mValue);
- }
- if ((targetFunctionName != "PrintF") || (irArgs.size() > 0))
- {
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCall(func, irArgs/*, targetFunctionName*/),
- mModule->ResolveTypeDef(mModule->mSystem->mTypeInt32));
- }
- return;
- }
- if (auto ceDbgState = mModule->GetCeDbgState())
- {
- if (targetFunctionName.StartsWith("__"))
- {
- auto ceDebugger = mModule->mCompiler->mCeMachine->mDebugger;
- auto _ResolveArg = [&](int argIdx, BfType* type = NULL)
- {
- if ((argIdx < 0) || (argIdx >= args.mSize))
- return BfTypedValue();
- return mModule->CreateValueFromExpression(args[argIdx], type);
- };
- if (targetFunctionName == "__getHighBits")
- {
- auto typedVal = _ResolveArg(0);
- if ((typedVal) && (typedVal.mType->IsPrimitiveType()))
- {
- auto primType = (BfPrimitiveType*)typedVal.mType;
- int64 val = ceDebugger->ValueToInt(typedVal);
- int64 bitCount = ceDebugger->ValueToInt(_ResolveArg(1));
- int64 resultVal = val >> (typedVal.mType->mSize * 8 - bitCount);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, (uint64)resultVal), typedVal.mType);
- return;
- }
- }
- else if (targetFunctionName == "__clearHighBits")
- {
- auto typedVal = _ResolveArg(0);
- if ((typedVal) && (typedVal.mType->IsPrimitiveType()))
- {
- auto primType = (BfPrimitiveType*)typedVal.mType;
- int64 val = ceDebugger->ValueToInt(typedVal);
- int64 bitCount = ceDebugger->ValueToInt(_ResolveArg(1));
- int64 andBits = (0x8000000000000000LL) >> ((typedVal.mType->mSize - 8) * 8 + bitCount - 1);
- int64 resultVal = val & ~andBits;
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(primType->mTypeDef->mTypeCode, (uint64)resultVal), typedVal.mType);
- return;
- }
- }
- else if ((targetFunctionName == "__cast") || (targetFunctionName == "__bitcast"))
- {
- BfType* type = NULL;
- String typeName;
- for (int argIdx = 0; argIdx < args.mSize - 1; argIdx++)
- {
- auto arg = _ResolveArg(argIdx);
- if (!arg)
- continue;
- if (arg.mType->IsInstanceOf(mModule->mCompiler->mStringTypeDef))
- {
- auto strPtr = mModule->GetStringPoolString(arg.mValue, mModule->mBfIRBuilder);
- if (strPtr != NULL)
- {
- if ((type != NULL) && (*strPtr == "*"))
- {
- type = mModule->CreatePointerType(type);
- }
- else
- typeName += *strPtr;
- }
- }
- if (arg.mType->IsInteger())
- {
- int64 intVal = ceDebugger->ValueToInt(arg);
- if (typeName.IsEmpty())
- {
- auto typeType = mModule->ResolveTypeDef(mModule->mCompiler->mTypeTypeDef)->ToTypeInstance();
- auto fieldDef = typeType->mTypeDef->GetFieldByName("mTypeId");
- if (fieldDef != NULL)
- {
- int typeId = ceDebugger->ReadMemory<int>((intptr)intVal + typeType->mFieldInstances[fieldDef->mIdx].mDataOffset);
- type = mModule->mContext->FindTypeById(typeId);
- }
- }
- else
- typeName += StrFormat("%lld", intVal);
- }
- }
- auto fromTypedVal = _ResolveArg(args.mSize - 1);
- if (!typeName.IsEmpty())
- type = ceDebugger->FindType(typeName);
- if (type != NULL)
- {
- if (targetFunctionName == "__bitcast")
- {
- if ((type->IsObjectOrInterface()) || (type->IsPointer()))
- {
- auto ceAddrVal = ceDebugger->GetAddr(fromTypedVal);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIntToPtr(ceAddrVal.mAddr, mModule->mBfIRBuilder->MapType(type)), type);
- }
- else
- {
- Array<uint8> memArr;
- memArr.Resize(BF_MAX(type->mSize, fromTypedVal.mType->mSize));
- mModule->mBfIRBuilder->WriteConstant(fromTypedVal.mValue, memArr.mVals, fromTypedVal.mType);
- auto newVal = mModule->mBfIRBuilder->ReadConstant(memArr.mVals, type);
- mResult = BfTypedValue(newVal, type);
- }
- }
- else
- mResult = mModule->Cast(target, fromTypedVal, type, (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_SilentFail));
- }
- return;
- }
- else if (targetFunctionName == "__stringView")
- {
- auto ptrVal = _ResolveArg(0);
- auto sizeVal = _ResolveArg(1);
- if (ceDbgState->mFormatInfo != NULL)
- ceDbgState->mFormatInfo->mOverrideCount = (int)ceDebugger->ValueToInt(sizeVal);
- mResult = ptrVal;
- return;
- }
- else if ((targetFunctionName == "__funcName") || (targetFunctionName == "__funcTarget"))
- {
- auto addrVal = _ResolveArg(0);
- auto ceAddrVal = ceDebugger->GetAddr(addrVal);
- CeFunction* ceFunction = NULL;
- int functionId = 0;
- if (mModule->mSystem->mPtrSize == 4)
- {
- functionId = (int)addrVal;
- }
- else
- {
- CeFunction* checkCeFunction = (CeFunction*)ceAddrVal.mAddr;
- functionId = checkCeFunction->SafeGetId();
- }
- if (mModule->mCompiler->mCeMachine->mFunctionIdMap.TryGetValue(functionId, &ceFunction))
- {
- BfMethodInstance* methodInstance = ceFunction->mMethodInstance;
- if (methodInstance != NULL)
- {
- if (targetFunctionName == "__funcTarget")
- {
- BfType* targetType = methodInstance->GetOwner();
- if (targetType->IsValueType())
- targetType = mModule->CreatePointerType(targetType);
- auto targetVal = _ResolveArg(1);
- auto ceTargetVal = ceDebugger->GetAddr(targetVal);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIntToPtr(ceTargetVal.mAddr, mModule->mBfIRBuilder->MapType(targetType)), targetType);
- return;
- }
- else
- {
- mResult = BfTypedValue(mModule->GetStringObjectValue(mModule->MethodToString(methodInstance)),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- return;
- }
- }
- else if ((ceFunction->mCeInnerFunctionInfo != NULL) && (targetFunctionName == "__funcName"))
- {
- mResult = BfTypedValue(mModule->GetStringObjectValue(BfDemangler::Demangle(ceFunction->mCeInnerFunctionInfo->mName, DbgLanguage_Beef)),
- mModule->ResolveTypeDef(mModule->mCompiler->mStringTypeDef));
- return;
- }
- }
- if (targetFunctionName == "__funcTarget")
- mResult = _ResolveArg(1);
- else
- mResult = addrVal;
- return;
- }
- }
- }
- }
- else if (auto expr = BfNodeDynCast<BfExpression>(target))
- {
- auto innerInvocationResult = mModule->CreateValueFromExpression(expr);
- if (!innerInvocationResult)
- {
- mModule->AssertErrorState();
- innerInvocationResult = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- if (innerInvocationResult.mType->IsVar())
- {
- mResult = innerInvocationResult;
- return;
- }
- targetFunctionName = "Invoke";
- if (innerInvocationResult.mType->IsTypeInstance())
- {
- auto invocationTypeInst = innerInvocationResult.mType->ToTypeInstance();
- if ((invocationTypeInst->mTypeDef->mIsDelegate) || (invocationTypeInst->mTypeDef->mIsFunction))
- {
- thisValue = innerInvocationResult;
- }
- }
- if (!thisValue)
- {
- mModule->Fail(StrFormat("Cannot perform invocation on type '%s'", mModule->TypeToString(innerInvocationResult.mType).c_str()), expr);
- thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- }
- else
- {
- mModule->Fail("Invalid invocation target", target);
- thisValue = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- if ((wasCapturingMethodInfo) && (autoComplete->mMethodMatchInfo != NULL))
- {
- autoComplete->mIsCapturingMethodMatchInfo = true;
- BF_ASSERT(autoComplete->mMethodMatchInfo != NULL);
- }
- SetAndRestoreValue<BfAttributeState*> prevAttributeState;
- if (attributeState.mCustomAttributes != NULL)
- prevAttributeState.Init(mModule->mAttributeState, &attributeState);
- if ((targetFunctionName != "") && (targetFunctionName[targetFunctionName.length() - 1] == '!'))
- {
- targetFunctionName = targetFunctionName.Substring(0, targetFunctionName.length() - 1);
- InjectMixin(methodNodeSrc, thisValue, allowImplicitThis, targetFunctionName, args, methodGenericArgs);
- return;
- }
- if (targetFunctionName.StartsWith('@'))
- targetFunctionName.Remove(0, 1);
- //TODO: We removed this... Messed up with PrimStruct 'this' non-mut errors
- // We moved this until later in MatchMethod, we want the raw target for the GetType optimization, plus we shouldn't do this until we know we won't do a SkipCall
- /*if (thisValue)
- {
- if ((!thisValue.mType->IsGenericParam()) && (!thisValue.IsSplat()) && (!thisValue.mType->IsVar()))
- thisValue = MakeCallableTarget(target, thisValue);
- }*/
- int methodCount = 0;
- bool mayBeSkipCall = false;
- bool mayBeComptimeCall = false;
- BfTypeInstance* checkTypeInst = NULL;
- if (thisValue.mType != NULL)
- {
- if (thisValue.mType->IsAllocType())
- thisValue.mType = thisValue.mType->GetUnderlyingType();
- checkTypeInst = thisValue.mType->ToTypeInstance();
- }
- else if (allowImplicitThis)
- {
- checkTypeInst = mModule->mCurTypeInstance;
- }
- while (checkTypeInst != NULL)
- {
- checkTypeInst->mTypeDef->PopulateMemberSets();
- BfMemberSetEntry* memberSetEntry;
- if (checkTypeInst->mTypeDef->mMethodSet.TryGetWith(targetFunctionName, &memberSetEntry))
- {
- BfMethodDef* methodDef = (BfMethodDef*)memberSetEntry->mMemberDef;
- while (methodDef != NULL)
- {
- if (methodDef->mIsSkipCall)
- mayBeSkipCall = true;
- if (methodDef->mHasComptime)
- mayBeComptimeCall = true;
- methodDef = methodDef->mNextWithSameName;
- }
- }
- checkTypeInst = checkTypeInst->mBaseType;
- }
- SizedArray<BfExpression*, 8> copiedArgs;
- for (BfExpression* arg : args)
- copiedArgs.push_back(arg);
- BfSizedArray<BfExpression*> sizedCopiedArgs(copiedArgs);
- BfResolvedArgs argValues(&sizedCopiedArgs);
- if (mModule->mParentNodeEntry != NULL)
- {
- if (auto invocationExpr = BfNodeDynCast<BfInvocationExpression>(mModule->mParentNodeEntry->mNode))
- {
- argValues.mOpenToken = invocationExpr->mOpenParen;
- argValues.mCommas = &invocationExpr->mCommas;
- argValues.mCloseToken = invocationExpr->mCloseParen;
- }
- }
- BfResolveArgsFlags resolveArgsFlags = (BfResolveArgsFlags)(BfResolveArgsFlag_DeferFixits | BfResolveArgsFlag_AllowUnresolvedTypes);
- resolveArgsFlags = (BfResolveArgsFlags)(resolveArgsFlags | BfResolveArgsFlag_DeferParamEval);
- if ((mayBeSkipCall) || (mayBeComptimeCall))
- resolveArgsFlags = (BfResolveArgsFlags)(resolveArgsFlags | BfResolveArgsFlag_DeferParamValues);
- static int sCallIdx = 0;
- sCallIdx++;
- int callIdx = sCallIdx;
- if (callIdx == 1557)
- {
- NOP;
- }
- BfCheckedKind checkedKind = BfCheckedKind_NotSet;
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
- {
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mCheckedAttributeTypeDef))
- {
- checkedKind = BfCheckedKind_Checked;
- mModule->mAttributeState->mUsed = true;
- }
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mUncheckedAttributeTypeDef))
- {
- checkedKind = BfCheckedKind_Unchecked;
- mModule->mAttributeState->mUsed = true;
- }
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mNoStaticCtorAttributeTypeDef))
- {
- mModule->mAttributeState->mUsed = true;
- }
- }
- if ((isCascade) && (cascadeOperatorToken != NULL) && ((mBfEvalExprFlags & BfEvalExprFlags_Comptime) != 0))
- mModule->Fail("Cascade operator cannot be used in const evaluation", cascadeOperatorToken);
- SetAndRestoreValue<bool> prevUsedAsStatement(mUsedAsStatement, mUsedAsStatement || isCascade);
- SetAndRestoreValue<BfEvalExprFlags> prevEvalExprFlags(mBfEvalExprFlags);
- if (isCascade)
- {
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_InCascade);
- thisValue = mModule->MakeAddressable(thisValue);
- }
- if (((mayBeComptimeCall) && (!mModule->mIsComptimeModule) && (!mModule->mBfIRBuilder->mIgnoreWrites)) ||
- ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mConstEvalAttributeTypeDef))))
- {
- resolveArgsFlags = (BfResolveArgsFlags)(resolveArgsFlags | BfResolveArgsFlag_DeferParamEval | BfResolveArgsFlag_DeferStrings);
- }
- ResolveArgValues(argValues, resolveArgsFlags);
- //
- {
- // We also apply this right before the actual call, but we need to set the comptime flag earlier
- SetAndRestoreValue<BfEvalExprFlags> prevEvalExprFlag(mBfEvalExprFlags);
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL) && (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mConstEvalAttributeTypeDef)))
- {
- mModule->mAttributeState->mUsed = true;
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
- }
- mResult = MatchMethod(methodNodeSrc, methodBoundExpr, thisValue, allowImplicitThis, bypassVirtual, targetFunctionName, argValues, methodGenericArgs, checkedKind);
- }
- argValues.HandleFixits(mModule);
- if (mModule->mAttributeState == &attributeState)
- mModule->FinishAttributeState(&attributeState);
- if (isCascade)
- {
- if ((outCascadeValue != NULL) && (thisValue.mValue))
- {
- *outCascadeValue = thisValue;
- }
- else
- {
- mModule->Fail("Invalid use of cascade operator", cascadeOperatorToken);
- }
- }
- }
- void BfExprEvaluator::Visit(BfInvocationExpression* invocationExpr)
- {
- DoInvocation(invocationExpr);
- }
- void BfExprEvaluator::DoInvocation(BfInvocationExpression* invocationExpr)
- {
- BfAutoParentNodeEntry autoParentNodeEntry(mModule, invocationExpr);
- // We need to check for sized array constructor like "uint8[2](1, 2)"
- if (BfNodeDynCastExact<BfIndexerExpression>(invocationExpr->mTarget) != NULL)
- {
- auto checkTarget = invocationExpr->mTarget;
- while (auto indexerExpr = BfNodeDynCastExact<BfIndexerExpression>(checkTarget))
- {
- checkTarget = indexerExpr->mTarget;
- }
- auto resolvedType = mModule->ResolveTypeRef(checkTarget, NULL, BfPopulateType_Identity, BfResolveTypeRefFlag_IgnoreLookupError);
- if (resolvedType != NULL)
- {
- BfType* curType = resolvedType;
- auto checkTarget = invocationExpr->mTarget;
- while (auto indexerExpr = BfNodeDynCastExact<BfIndexerExpression>(checkTarget))
- {
- checkTarget = indexerExpr->mTarget;
- if (indexerExpr->mCommas.size() != 0)
- mModule->Fail("Only one value expected. Consider adding an allocation specifier such as 'new' if construction of a dynamic multidimensional was intended.", indexerExpr->mCommas[0]);
- int arrSize = 0;
- BfTypeState typeState;
- typeState.mArrayInitializerSize = (int)invocationExpr->mArguments.size();
- SetAndRestoreValue<BfTypeState*> prevTypeState(mModule->mContext->mCurTypeState, &typeState);
- if (indexerExpr->mArguments.size() != 0)
- {
- BfConstResolver constResolver(mModule);
- auto arg = indexerExpr->mArguments[0];
- constResolver.mExpectingType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- if (arg != NULL)
- constResolver.Resolve(arg, NULL, BfConstResolveFlag_ArrayInitSize);
- if (constResolver.mResult.mValue.IsConst())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(constResolver.mResult.mValue);
- if ((mModule->mBfIRBuilder->IsInt(constant->mTypeCode)) && (constant->mInt64 >= 0))
- {
- arrSize = constant->mInt32;
- }
- else
- mModule->Fail("Non-negative integer expected", indexerExpr->mArguments[0]);
- }
- }
- else
- arrSize = invocationExpr->mArguments.size();
- curType = mModule->CreateSizedArrayType(curType, arrSize);
- }
- InitializedSizedArray((BfSizedArrayType*)curType, invocationExpr->mOpenParen, invocationExpr->mArguments, invocationExpr->mCommas, invocationExpr->mCloseParen, NULL);
- return;
- }
- }
- auto autoComplete = GetAutoComplete();
- auto wasCapturingMethodInfo = (autoComplete != NULL) && (autoComplete->mIsCapturingMethodMatchInfo);
- if (autoComplete != NULL)
- autoComplete->CheckInvocation(invocationExpr, invocationExpr->mOpenParen, invocationExpr->mCloseParen, invocationExpr->mCommas);
- mModule->UpdateExprSrcPos(invocationExpr);
- BfMethodGenericArguments methodGenericArgs;
- if (invocationExpr->mGenericArgs != NULL)
- {
- methodGenericArgs.mArguments = &invocationExpr->mGenericArgs->mGenericArgs;
- if ((!invocationExpr->mGenericArgs->mCommas.IsEmpty()) && (invocationExpr->mGenericArgs->mCommas.back()->mToken == BfToken_DotDotDot))
- {
- methodGenericArgs.mIsOpen = true;
- methodGenericArgs.mIsPartial = true;
- }
- for (int i = 0; i < (int)methodGenericArgs.mArguments->mSize; i++)
- if (BfNodeIsA<BfUninitializedExpression>((*methodGenericArgs.mArguments)[i]))
- methodGenericArgs.mIsPartial = true;
- }
- SizedArray<BfExpression*, 8> copiedArgs;
- for (BfExpression* arg : invocationExpr->mArguments)
- copiedArgs.push_back(arg);
- BfTypedValue cascadeValue;
- DoInvocation(invocationExpr->mTarget, invocationExpr, copiedArgs, methodGenericArgs, &cascadeValue);
- if (autoComplete != NULL)
- {
- if ((wasCapturingMethodInfo) && (!autoComplete->mIsCapturingMethodMatchInfo))
- {
- if (autoComplete->mMethodMatchInfo != NULL)
- autoComplete->mIsCapturingMethodMatchInfo = true;
- else
- autoComplete->mIsCapturingMethodMatchInfo = false;
- //BF_ASSERT(autoComplete->mMethodMatchInfo != NULL);
- }
- else
- autoComplete->mIsCapturingMethodMatchInfo = false;
- }
- /// Previous check for discard
- if (cascadeValue)
- mResult = cascadeValue;
- }
- BfMethodDef* BfExprEvaluator::GetPropertyMethodDef(BfPropertyDef* propDef, BfMethodType methodType, BfCheckedKind checkedKind, BfTypedValue propTarget)
- {
- bool allowMut = true;
- if ((propTarget) && (propTarget.mType->IsValueType()))
- {
- if (propTarget.IsReadOnly())
- {
- allowMut = false;
- }
- else if (!propTarget.IsAddr())
- {
- mModule->PopulateType(propTarget.mType);
- if (!propTarget.IsValuelessType())
- allowMut = false;
- }
- }
- int bestPri = -1000;
- BfMethodDef* matchedMethod = NULL;
- for (auto methodDef : propDef->mMethods)
- {
- if (methodDef->mMethodType != methodType)
- continue;
- int curPri = 0;
- if (methodDef->mCheckedKind == checkedKind)
- {
- curPri = 5;
- }
- else if ((checkedKind == BfCheckedKind_NotSet) && (methodDef->mCheckedKind == mModule->GetDefaultCheckedKind()))
- curPri = 3;
- else
- curPri = 1;
- if (methodDef->mIsMutating)
- {
- if (allowMut)
- curPri++;
- else
- curPri -= 10;
- }
- if (curPri > bestPri)
- {
- bestPri = curPri;
- matchedMethod = methodDef;
- }
- }
- return matchedMethod;
- /*BfMethodDef* matchedMethod = NULL;
- BfMethodDef* backupMethod = NULL;
- for (auto methodDef : propDef->mMethods)
- {
- if (methodDef->mMethodType != methodType)
- continue;
- if (methodDef->mCheckedKind == checkedKind)
- {
- matchedMethod = methodDef;
- break;
- }
- if ((checkedKind == BfCheckedKind_NotSet) && (methodDef->mCheckedKind == mModule->GetDefaultCheckedKind()))
- matchedMethod = methodDef;
- else
- backupMethod = methodDef;
- }
- if (matchedMethod == NULL)
- matchedMethod = backupMethod;
- return matchedMethod;*/
- }
- BfModuleMethodInstance BfExprEvaluator::GetPropertyMethodInstance(BfMethodDef* methodDef)
- {
- if (mPropDefBypassVirtual)
- {
- if (mPropTarget.mType->IsInterface())
- {
- auto curTypeInst = mPropTarget.mType->ToTypeInstance();
- if (mModule->TypeIsSubTypeOf(mModule->mCurTypeInstance, curTypeInst))
- {
- if (methodDef->mBody != NULL)
- {
- // This is an explicit call to a default static interface method. We pull the methodDef into our own concrete type.
- mPropTarget = mModule->GetThis();
- return mModule->GetMethodInstance(mModule->mCurTypeInstance, methodDef, BfTypeVector(), BfGetMethodInstanceFlag_ForeignMethodDef, curTypeInst);
- }
- }
- else
- {
- mModule->Fail("Property is not implemented by this type", mPropSrc);
- return BfModuleMethodInstance();
- }
- }
- else
- {
- auto propTypeInst = mPropTarget.mType->ToTypeInstance();
- mModule->PopulateType(propTypeInst, BfPopulateType_DataAndMethods);
- auto rawMethodInstance = mModule->GetRawMethodInstance(propTypeInst, methodDef);
- if (rawMethodInstance->mVirtualTableIdx == -1)
- {
- if (!mModule->mCompiler->mIsResolveOnly)
- {
- // ResolveOnly does not force methods to slot
- BF_ASSERT(rawMethodInstance->mVirtualTableIdx != -1);
- mModule->Fail(StrFormat("Failed to devirtualize %s", mModule->MethodToString(rawMethodInstance).c_str()));
- }
- }
- else
- {
- auto useTypeInst = mOrigPropTarget.mType->ToTypeInstance();
- auto virtualMethod = (BfMethodInstance*)useTypeInst->mVirtualMethodTable[rawMethodInstance->mVirtualTableIdx].mImplementingMethod;
- return mModule->ReferenceExternalMethodInstance(virtualMethod);
- }
- }
- }
- if ((mOrigPropTarget) && (mOrigPropTarget.mType != mPropTarget.mType) &&
- ((!mOrigPropTarget.mType->IsGenericParam()) && (mPropTarget.mType->IsInterface())))
- {
- auto checkType = mOrigPropTarget.mType;
- if ((checkType->IsNullable()) && (!mPropTarget.mType->IsNullable()))
- checkType = checkType->GetUnderlyingType();
- if (checkType->IsPointer())
- checkType = ((BfPointerType*)checkType)->mElementType;
- if (checkType->IsWrappableType())
- checkType = mModule->GetWrappedStructType(checkType);
- if ((checkType != NULL) && (checkType->IsTypeInstance()))
- {
- auto activeTypeDef = mModule->GetActiveTypeDef(NULL, false, true);
- BfTypeInterfaceEntry* bestIFaceEntry = NULL;
- bool checkedUnderlying = false;
- auto checkTypeInst = checkType->ToTypeInstance();
- while (checkTypeInst != NULL)
- {
- mModule->PopulateType(checkTypeInst, BfPopulateType_DataAndMethods);
- BF_ASSERT((checkTypeInst->mDefineState >= BfTypeDefineState_DefinedAndMethodsSlotted) || (mModule->mCompiler->IsAutocomplete()));
- if (checkTypeInst->mDefineState != BfTypeDefineState_DefinedAndMethodsSlotted)
- break;
- for (auto& iface : checkTypeInst->mInterfaces)
- {
- if (!mModule->IsInSpecializedSection())
- {
- if (!checkTypeInst->IsTypeMemberAccessible(iface.mDeclaringType, activeTypeDef))
- continue;
- }
- if (iface.mInterfaceType == mPropTarget.mType)
- {
- if (bestIFaceEntry == NULL)
- {
- bestIFaceEntry = &iface;
- continue;
- }
- bool isBetter;
- bool isWorse;
- mModule->CompareDeclTypes(NULL, iface.mDeclaringType, bestIFaceEntry->mDeclaringType, isBetter, isWorse);
- if (isBetter == isWorse)
- {
- // Failed
- }
- else
- {
- if (isBetter)
- bestIFaceEntry = &iface;
- }
- }
- }
- if (bestIFaceEntry != NULL)
- break;
- checkTypeInst = checkTypeInst->mBaseType;
- if (checkTypeInst == NULL)
- {
- if (!checkedUnderlying)
- {
- checkedUnderlying = true;
- if (checkType->HasWrappedRepresentation())
- {
- auto underlyingType = checkType->GetUnderlyingType();
- if (underlyingType != NULL)
- checkTypeInst = mModule->GetWrappedStructType(underlyingType);
- }
- }
- }
- }
- if (bestIFaceEntry != NULL)
- {
- if ((checkTypeInst->IsInterface()))
- {
- auto propTypeInst = bestIFaceEntry->mInterfaceType->ToTypeInstance();
- if (propTypeInst == NULL)
- {
- mModule->Fail("INTERNAL ERROR: Invalid property target", mPropSrc);
- return BfModuleMethodInstance();
- }
- BF_ASSERT(propTypeInst->mTypeDef->mFullNameEx == methodDef->mDeclaringType->mFullNameEx);
- return mModule->GetMethodInstance(propTypeInst, methodDef, BfTypeVector(), mPropGetMethodFlags);
- }
- auto ifaceMethodEntry = checkTypeInst->mInterfaceMethodTable[bestIFaceEntry->mStartInterfaceTableIdx + methodDef->mIdx];
- BfMethodInstance* bestMethodInstance = ifaceMethodEntry.mMethodRef;
- if (bestMethodInstance != NULL)
- {
- mPropTarget = mOrigPropTarget;
- //mPropTarget.mType = checkTypeInst;
- //mPropTarget = mModule->Cast( mOrigPropTarget, checkTypeInst);
- return mModule->GetMethodInstanceAtIdx(ifaceMethodEntry.mMethodRef.mTypeInstance, ifaceMethodEntry.mMethodRef.mMethodNum);
- }
- }
- }
- mModule->AssertErrorState();
- return BfModuleMethodInstance();
- }
- auto propTypeInst = mPropTarget.mType->ToTypeInstance();
- if (propTypeInst == NULL)
- {
- propTypeInst = mModule->GetWrappedStructType(mPropTarget.mType);
- }
- if (propTypeInst == NULL)
- {
- mModule->Fail("INTERNAL ERROR: Invalid property target", mPropSrc);
- return BfModuleMethodInstance();
- }
- BF_ASSERT(propTypeInst->mTypeDef->mFullNameEx == methodDef->mDeclaringType->mFullNameEx);
- return mModule->GetMethodInstance(propTypeInst, methodDef, BfTypeVector(), mPropGetMethodFlags);
- }
- void BfExprEvaluator::CheckPropFail(BfMethodDef* propMethodDef, BfMethodInstance* methodInstance, bool checkProt)
- {
- auto propTypeInst = mPropTarget.mType->ToTypeInstance();
- // If mExplicitInterface is null then we are implicitly calling through an interface
- if ((checkProt) && (propTypeInst != NULL) && (methodInstance->GetExplicitInterface() == NULL) &&
- (!mModule->CheckAccessMemberProtection(propMethodDef->mProtection, propTypeInst)))
- mModule->Fail(StrFormat("'%s' is inaccessible due to its protection level", mModule->MethodToString(methodInstance).c_str()), mPropSrc);
- else if (mPropCheckedKind != methodInstance->mMethodDef->mCheckedKind)
- {
- bool passes = true;
- if (mPropCheckedKind != BfCheckedKind_NotSet)
- {
- passes = false;
- }
- else
- {
- auto defaultCheckedKind = mModule->GetDefaultCheckedKind();
- if (defaultCheckedKind != methodInstance->mMethodDef->mCheckedKind)
- passes = false;
- }
- if (!passes)
- {
- auto error = mModule->Fail(StrFormat("'%s' cannot be used because its 'checked' specifier does not match the requested specifier", mModule->MethodToString(methodInstance).c_str()), mPropSrc);
- if (error != NULL)
- {
- if ((error != NULL) && (methodInstance->mMethodDef->mMethodDeclaration != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See method declaration"), methodInstance->mMethodDef->GetRefNode());
- }
- }
- }
- }
- bool BfExprEvaluator::HasResult()
- {
- return (mResult) || (mPropDef != NULL);
- }
- BfTypedValue BfExprEvaluator::GetResult(bool clearResult, bool resolveGenericType)
- {
- if ((!mResult) && (mPropDef != NULL))
- {
- bool handled = false;
- if (mPropTarget.mType->IsGenericTypeInstance())
- {
- auto genericTypeInst = (BfTypeInstance*)mPropTarget.mType;
- if (genericTypeInst->IsInstanceOf(mModule->mCompiler->mSizedArrayTypeDef))
- {
- if (mPropDef->mName == "Count")
- {
- auto sizedType = genericTypeInst->mGenericTypeInfo->mTypeGenericArguments[1];
- if (sizedType->IsConstExprValue())
- {
- auto constExprType = (BfConstExprValueType*)sizedType;
- mResult = BfTypedValue(mModule->GetConstValue(constExprType->mValue.mInt64), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- handled = true;
- }
- else
- {
- BF_ASSERT(mModule->mCurMethodInstance->mIsUnspecialized);
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetUndefConstValue(mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_IntPtr)), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- handled = true;
- }
- }
- }
- }
- if (!handled)
- {
- SetAndRestoreValue<BfFunctionBindResult*> prevFunctionBindResult(mFunctionBindResult, NULL);
- SetAndRestoreValue<BfDeferCallData*> prevDeferCallRef(mDeferCallData, NULL);
- BfMethodDef* matchedMethod = GetPropertyMethodDef(mPropDef, BfMethodType_PropertyGetter, mPropCheckedKind, mPropTarget);
- if (matchedMethod == NULL)
- {
- mModule->Fail("Property has no getter", mPropSrc);
- return mResult;
- }
- auto methodInstance = GetPropertyMethodInstance(matchedMethod);
- if (methodInstance.mMethodInstance == NULL)
- return mResult;
- BF_ASSERT(methodInstance.mMethodInstance->mMethodDef->mName == matchedMethod->mName);
- if (!mModule->mBfIRBuilder->mIgnoreWrites)
- {
- BF_ASSERT(!methodInstance.mFunc.IsFake());
- }
- if (mPropSrc != NULL)
- mModule->UpdateExprSrcPos(mPropSrc);
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(mPropSrc)) && (autoComplete->mResolveType == BfResolveType_GetResultString))
- {
- autoComplete->mResultString = ":";
- autoComplete->mResultString += mModule->TypeToString(methodInstance.mMethodInstance->mReturnType);
- autoComplete->mResultString += " ";
- autoComplete->mResultString += mModule->TypeToString(methodInstance.mMethodInstance->GetOwner());
- autoComplete->mResultString += ".";
- autoComplete->mResultString += mPropDef->mName;
- }
- CheckPropFail(matchedMethod, methodInstance.mMethodInstance, (mPropGetMethodFlags & BfGetMethodInstanceFlag_Friend) == 0);
- PerformCallChecks(methodInstance.mMethodInstance, mPropSrc);
- if (methodInstance.mMethodInstance->IsSkipCall())
- {
- mResult = mModule->GetDefaultTypedValue(methodInstance.mMethodInstance->mReturnType);
- }
- else
- {
- SizedArray<BfIRValue, 4> args;
- if (!matchedMethod->mIsStatic)
- {
- auto owner = methodInstance.mMethodInstance->GetOwner();
- bool isTypeMatch = mPropTarget.mType == owner;
- if (owner->IsTypedPrimitive())
- isTypeMatch |= mPropTarget.mType == owner->GetUnderlyingType();
- if ((!isTypeMatch) ||
- ((mPropTarget.mValue.IsFake()) && (!mOrigPropTarget.mValue.IsFake())))
- {
- auto prevPropTarget = mPropTarget;
- mPropTarget = mModule->Cast(mPropSrc, mOrigPropTarget, owner);
- if (!mPropTarget)
- {
- mModule->Fail("Internal property error", mPropSrc);
- return BfTypedValue();
- }
- }
- if ((mPropGetMethodFlags & BfGetMethodInstanceFlag_DisableObjectAccessChecks) == 0)
- mModule->EmitObjectAccessCheck(mPropTarget);
- }
- SetAndRestoreValue<BfEvalExprFlags> prevExprFlags(mBfEvalExprFlags);
- auto callFlags = mPropDefBypassVirtual ? BfCreateCallFlags_BypassVirtual : BfCreateCallFlags_None;
- auto methodDef = methodInstance.mMethodInstance->mMethodDef;
- if ((methodDef->mMethodDeclaration == NULL) && (mModule->mBfIRBuilder->IsConstValue(mPropTarget.mValue)) &&
- (methodDef->mName == "get__Underlying"))
- {
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_Comptime);
- }
- mResult = CreateCall(mPropSrc, mPropTarget, mOrigPropTarget, matchedMethod, methodInstance, callFlags, mIndexerValues, NULL);
- }
- }
- mPropDef = NULL;
- mPropDefBypassVirtual = false;
- mIndexerValues.clear();
- mResultLocalVar = NULL;
- mResultFieldInstance = NULL;
- }
- if (resolveGenericType)
- ResolveGenericType();
- BfTypedValue result = mResult;
- if (clearResult)
- mResult = BfTypedValue();
- return result;
- }
- void BfExprEvaluator::CheckResultForReading(BfTypedValue& typedValue)
- {
- if (mModule->mCurMethodState == NULL)
- return;
- if ((mModule->mCurMethodState->mTempKind != BfMethodState::TempKind_None) || (mModule->mCurMethodState->mAllowUinitReads))
- return;
- if ((mModule->mCurTypeInstance->mResolvingVarField) || (mModule->mCurTypeInstance->mResolvingConstField))
- return;
- if ((typedValue) && (typedValue.IsAddr()))
- {
- if ((mResultLocalVar != NULL) && (mResultLocalVarRefNode != NULL))
- {
- SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors);
- if ((mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mCapturing))
- {
- // These errors can only be detected during capture time, so we don't ignore them on this pass
- mModule->mIgnoreErrors = false;
- }
- int fieldIdx = mResultLocalVarField - 1;
- auto localVar = mResultLocalVar;
- /*if (localVar->mCompositeCount > 0)
- {
- mModule->Fail(StrFormat("Cannot read from composite '%s', it can only be used in an argument list", localVar->mName.c_str()), mResultLocalVarRefNode);
- typedValue = BfTypedValue();
- return;
- }*/
- if (localVar->mAssignedKind == BfLocalVarAssignKind_None)
- {
- mModule->TryLocalVariableInit(localVar);
- }
- if (localVar->mAssignedKind == BfLocalVarAssignKind_None)
- {
- auto methodStateForLocal = mModule->mCurMethodState->GetMethodStateForLocal(localVar);
- bool isAssigned = false;
- int64 undefinedFieldFlags = localVar->mUnassignedFieldFlags;
- auto deferredLocalAssignData = methodStateForLocal->mDeferredLocalAssignData;
- while ((deferredLocalAssignData != NULL) && (deferredLocalAssignData->mIsChained))
- deferredLocalAssignData = deferredLocalAssignData->mChainedAssignData;
- if (deferredLocalAssignData != NULL)
- {
- for (auto& assignedVar : deferredLocalAssignData->mAssignedLocals)
- {
- auto assignedLocal = assignedVar.mLocalVar;
- if (assignedLocal == localVar)
- {
- int assignedFieldIdx = assignedVar.mLocalVarField;
- if (assignedFieldIdx >= 0)
- undefinedFieldFlags &= ~((int64)1 << assignedFieldIdx);
- else
- undefinedFieldFlags = 0;
- }
- }
- if (deferredLocalAssignData->mLeftBlockUncond)
- isAssigned = true;
- }
- if (fieldIdx == -1)
- {
- if (undefinedFieldFlags == 0)
- isAssigned = true;
- }
- else
- {
- isAssigned = true;
- for (int i = 0; i < mResultLocalVarFieldCount; i++)
- if ((undefinedFieldFlags & (1LL << (fieldIdx + i))) != 0)
- isAssigned = false;
- }
- if (!isAssigned)
- {
- if ((localVar->mIsThis) && (fieldIdx != -1))
- {
- // When we have initializers for fields, they won't all be processed in the autocomplte case
- if (!mModule->mCompiler->IsAutocomplete())
- {
- auto bfError = mModule->Fail(StrFormat("Use of possibly unassigned field '%s'", mResultLocalVarRefNode->ToString().c_str()), mResultLocalVarRefNode, true);
- }
- }
- else
- {
- mModule->Fail(StrFormat("Use of unassigned local variable '%s'", localVar->mName.c_str()), mResultLocalVarRefNode);
- }
- }
- }
- localVar->mReadFromId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- }
- }
- }
- void BfExprEvaluator::FinishExpressionResult()
- {
- CheckResultForReading(mResult);
- mResultLocalVar = NULL;
- mResultFieldInstance = NULL;
- }
- bool BfExprEvaluator::CheckAllowValue(const BfTypedValue& typedValue, BfAstNode* refNode)
- {
- return true;
- }
- void BfExprEvaluator::MarkResultUsed()
- {
- if (mResultLocalVar != NULL)
- {
- mResultLocalVar->mReadFromId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- }
- }
- void BfExprEvaluator::MarkResultAssigned()
- {
- if (mResultLocalVar != NULL)
- {
- //int localIdx = mResultLocalVarIdx;
- //if (localIdx == 0x7FFF)
- //return;
- auto localVar = mResultLocalVar;
- int fieldIdx = mResultLocalVarField - 1;
- int count = mResultLocalVarFieldCount;
- if (fieldIdx == -1)
- count = 1;
- for (int i = 0; i < count; i++)
- mModule->mCurMethodState->GetMethodStateForLocal(localVar)->LocalDefined(localVar, fieldIdx + i);
- //if (localIdx != 0x7FFF)
- {
- if (localVar->mCompositeCount > 0)
- {
- mModule->Fail(StrFormat("Cannot write to composite '%s', it can only be used in an argument list", localVar->mName.c_str()), mResultLocalVarRefNode);
- }
- }
- }
- }
- void BfExprEvaluator::MakeResultAsValue()
- {
- // Expressions like parens will turn a variable reference into a simple value
- mResultLocalVar = NULL;
- mResultFieldInstance = NULL;
- }
- bool BfExprEvaluator::CheckIsBase(BfAstNode* checkNode)
- {
- if (checkNode == NULL)
- return false;
- if (!checkNode->Equals("base"))
- return false;
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(checkNode)))
- {
- if ((mModule->mCurTypeInstance != NULL) && (mModule->mCurTypeInstance->mBaseType != NULL))
- autoComplete->SetDefinitionLocation(mModule->mCurTypeInstance->mBaseType->mTypeDef->GetRefNode());
- }
- return true;
- }
- bool BfExprEvaluator::CheckModifyResult(BfTypedValue& typedVal, BfAstNode* refNode, const char* modifyType, bool onlyNeedsMut, bool emitWarning, bool skipCopyOnMutate)
- {
- if (typedVal.mType->IsVar())
- {
- // Allow without error
- return true;
- }
- BfLocalVariable* localVar = NULL;
- bool isCapturedLocal = false;
- if (mResultLocalVar != NULL)
- {
- localVar = mResultLocalVar;
- localVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- }
- else if (typedVal.IsThis())
- {
- localVar = mModule->GetThisVariable();
- }
- else if (typedVal.IsSplat())
- {
- for (auto checkLocal : mModule->mCurMethodState->mLocals)
- {
- if (checkLocal->mAddr == typedVal.mValue)
- {
- localVar = checkLocal;
- break;
- }
- }
- }
- else if (typedVal.mValue.IsArg())
- {
- auto methodState = mModule->mCurMethodState->GetNonCaptureState();
- localVar = methodState->mLocals[typedVal.mValue.mId];
- }
- if ((typedVal.mKind == BfTypedValueKind_MutableValue) && (onlyNeedsMut))
- {
- return true;
- }
- bool canModify = typedVal.CanModify();
- if (((typedVal.mKind == BfTypedValueKind_TempAddr) || (typedVal.mKind == BfTypedValueKind_CopyOnMutateAddr_Derived)) &&
- (strcmp(modifyType, "assign to") == 0))
- mModule->Warn(0, "Assigning to temporary copy of a value. Consider using 'ref' in value source declaration.", refNode);
- auto _Fail = [&](const StringImpl& error, BfAstNode* refNode)
- {
- if (emitWarning)
- return mModule->Warn(BfWarning_BF4204_AddressOfReadOnly, error, refNode);
- else
- return mModule->Fail(error, refNode);
- };
- if (localVar != NULL)
- {
- if (!canModify)
- {
- BfError* error = NULL;
- if (localVar->mIsThis)
- {
- bool isClosure = false;
- BfTypeInstance* checkTypeInst = localVar->mResolvedType->ToTypeInstance();
- int fieldIdx = mResultLocalVarField - 1;
- if ((!isCapturedLocal) && (mModule->mCurMethodState != NULL) && (mModule->mCurMethodState->mClosureState != NULL) && (mModule->mCurMethodState->mClosureState->mClosureType != NULL))
- {
- isClosure = true;
- auto closureThis = mModule->mCurMethodState->mClosureState->mClosureType;
- closureThis = checkTypeInst->mFieldInstances[0].mResolvedType->ToTypeInstance();
- if (fieldIdx >= -1)
- {
- checkTypeInst = closureThis;
- }
- else
- {
- fieldIdx = -fieldIdx - 2;
- isCapturedLocal = true;
- }
- }
- if (fieldIdx < 0)
- {
- if (isClosure)
- {
- if (!mModule->mCurMethodState->mClosureState->mDeclaringMethodIsMutating)
- error = _Fail(StrFormat("Cannot %s 'this' within struct lambda. Consider adding 'mut' specifier to this method.", modifyType), refNode);
- else
- error = _Fail(StrFormat("Cannot %s 'this' within struct lambda. Consider adding by-reference capture specifier [&] to lambda.", modifyType), refNode);
- }
- else if (localVar->mResolvedType->IsValueType())
- {
- error = _Fail(StrFormat("Cannot %s 'this' within struct method '%s'. Consider adding 'mut' specifier to this method.", modifyType,
- mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
- }
- else
- {
- error = _Fail(StrFormat("Cannot %s 'this' because '%s' is a reference type.", modifyType,
- mModule->TypeToString(localVar->mResolvedType).c_str()), refNode);
- }
- return false;
- }
- else if (mResultFieldInstance != NULL)
- {
- if (isCapturedLocal)
- {
- error = _Fail(StrFormat("Cannot %s read-only captured local variable '%s'. Consider adding by-reference capture specifier [&] to lambda and ensuring that captured value is not read-only.", modifyType,
- mResultFieldInstance->GetFieldDef()->mName.c_str()), refNode);
- }
- else if (isClosure)
- {
- if (!mModule->mCurMethodState->mClosureState->mDeclaringMethodIsMutating)
- error = _Fail(StrFormat("Cannot %s field '%s.%s' within struct lambda. Consider adding 'mut' specifier to this method.", modifyType,
- mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str()), refNode);
- else
- error = _Fail(StrFormat("Cannot %s field '%s.%s' within struct lambda. Consider adding by-reference capture specifier [&] to lambda.", modifyType,
- mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str()), refNode);
- }
- else if (mResultFieldInstance->GetFieldDef()->mIsReadOnly)
- {
- error = _Fail(StrFormat("Cannot %s readonly field '%s.%s' within method '%s'", modifyType,
- mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str(),
- mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
- }
- else if (mResultFieldInstance->GetFieldDef()->mIsAppend)
- {
- error = _Fail(StrFormat("Cannot %s append field '%s.%s' within method '%s'", modifyType,
- mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str(),
- mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
- }
- else if (auto propertyDeclaration = BfNodeDynCast<BfPropertyDeclaration>(mResultFieldInstance->GetFieldDef()->mFieldDeclaration))
- {
- String propNam;
- if (propertyDeclaration->mNameNode != NULL)
- propertyDeclaration->mNameNode->ToString(propNam);
- error = _Fail(StrFormat("Cannot %s auto-implemented property '%s.%s' without set accessor", modifyType,
- mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), propNam.c_str()), refNode);
- }
- else
- {
- error = _Fail(StrFormat("Cannot %s field '%s.%s' within struct method '%s'. Consider adding 'mut' specifier to this method.", modifyType,
- mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str(),
- mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
- }
- return false;
- }
- }
- else if (localVar->IsParam())
- {
- if (!mModule->mCurMethodInstance->IsMixin())
- {
- if (mModule->mCurMethodState->mMixinState != NULL)
- {
- error = _Fail(StrFormat("Cannot %s mixin parameter '%s'", modifyType,
- localVar->mName.c_str()), refNode);
- }
- else if ((onlyNeedsMut) && (localVar->mResolvedType != NULL) && (localVar->mResolvedType->IsGenericParam()))
- {
- if (emitWarning)
- error = _Fail(StrFormat("The address of '%s' may be temporary or immutable. Consider adding 'mut' or 'ref' specifier to parameter or declaring 'var %s;' to create a mutable copy.",
- localVar->mName.c_str(), localVar->mName.c_str()), refNode);
- else
- error = _Fail(StrFormat("Cannot %s parameter '%s'. Consider adding 'mut' or 'ref' specifier to parameter or declaring 'var %s;' to create a mutable copy.", modifyType,
- localVar->mName.c_str(), localVar->mName.c_str()), refNode);
- }
- else
- {
- if (emitWarning)
- error = _Fail(StrFormat("The address of '%s' may be temporary or immutable. Consider adding 'ref' specifier to parameter or declaring 'var %s;' to create a mutable copy.",
- localVar->mName.c_str(), localVar->mName.c_str()), refNode);
- else
- error = _Fail(StrFormat("Cannot %s parameter '%s'. Consider adding 'ref' specifier to parameter or declaring 'var %s;' to create a mutable copy.", modifyType,
- localVar->mName.c_str(), localVar->mName.c_str()), refNode);
- }
- return false;
- }
- }
- else
- {
- if ((mResultLocalVarField != 0) && (!localVar->mIsReadOnly))
- {
- auto typeInst = localVar->mResolvedType->ToTypeInstance();
- int dataIdx = mResultLocalVarField - 1;
- if (typeInst != NULL)
- {
- for (auto& field : typeInst->mFieldInstances)
- {
- if (field.mDataIdx == dataIdx)
- {
- error = _Fail(StrFormat("Cannot %s readonly field '%s.%s'.", modifyType,
- mModule->TypeToString(typeInst).c_str(),
- field.GetFieldDef()->mName.c_str()), refNode);
- break;
- }
- }
- }
- }
- if (error == NULL)
- {
- error = _Fail(StrFormat("Cannot %s read-only local variable '%s'.", modifyType,
- localVar->mName.c_str()), refNode);
- }
- return false;
- }
- }
- else
- {
- // When we are capturing, we need to note that we require capturing by reference here
- localVar->mWrittenToId = mModule->mCurMethodState->GetRootMethodState()->mCurAccessId++;
- }
- }
- if ((mResultFieldInstance != NULL) && (mResultFieldInstance->GetFieldDef()->mIsReadOnly) && (!canModify))
- {
- if (mModule->mCurMethodInstance != NULL)
- {
- auto error = _Fail(StrFormat("Cannot %s static readonly field '%s.%s' within method '%s'", modifyType,
- mModule->TypeToString(mResultFieldInstance->mOwner).c_str(), mResultFieldInstance->GetFieldDef()->mName.c_str(),
- mModule->MethodToString(mModule->mCurMethodInstance).c_str()), refNode);
- }
- return false;
- }
- if ((!skipCopyOnMutate) && (typedVal.IsCopyOnMutate()))
- typedVal = mModule->CopyValue(typedVal);
- if ((emitWarning) && (typedVal.IsReadOnly()))
- {
- mModule->Warn(0, StrFormat("Cannot %s read-only variable", modifyType), refNode);
- return true;
- }
- return mModule->CheckModifyValue(typedVal, refNode, modifyType);
- }
- void BfExprEvaluator::Visit(BfConditionalExpression* condExpr)
- {
- static int sCallCount = 0;
- sCallCount++;
- auto condResult = mModule->CreateValueFromExpression(condExpr->mConditionExpression, mModule->GetPrimitiveType(BfTypeCode_Boolean), (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- if (!condResult)
- return;
- if (condExpr->mTrueExpression == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- if (condExpr->mFalseExpression == NULL)
- {
- mModule->CreateValueFromExpression(condExpr->mTrueExpression, mExpectingType, BfEvalExprFlags_NoCast);
- mModule->AssertErrorState();
- return;
- }
- bool isConstBranch = false;
- bool constResult = false;
- bool constResultUndef = false;
- if (condResult.mValue.IsConst())
- {
- auto constValue = mModule->mBfIRBuilder->GetConstant(condResult.mValue);
- if (constValue->mTypeCode == BfTypeCode_Boolean)
- {
- isConstBranch = true;
- constResult = constValue->mBool;
- }
- else if (constValue->mConstType == BfConstType_Undef)
- {
- isConstBranch = true;
- constResultUndef = true;
- }
- }
- if (isConstBranch)
- {
- BfExpression* actualExpr = (constResult) ? condExpr->mTrueExpression : condExpr->mFalseExpression;
- BfExpression* ignoredExpr = (constResult) ? condExpr->mFalseExpression : condExpr->mTrueExpression;
- BfTypedValue actualValue = mModule->CreateValueFromExpression(actualExpr, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
- BfTypedValue ignoredValue;
- //
- {
- auto curBlock = mModule->mBfIRBuilder->GetInsertBlock();
- SetAndRestoreValue<bool> ignoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- SetAndRestoreValue<bool> prevInConstIgnore(mModule->mCurMethodState->mCurScope->mInConstIgnore, true);
- ignoredValue = mModule->CreateValueFromExpression(ignoredExpr, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
- mModule->mBfIRBuilder->SetInsertPoint(curBlock);
- }
- if (!actualValue)
- return;
- if ((ignoredValue) && (ignoredValue.mType != actualValue.mType) && (!ignoredValue.mType->IsVar()))
- {
- // Cast to more specific 'ignored' type if applicable
- if (mModule->CanCast(actualValue, ignoredValue.mType))
- {
- actualValue = mModule->Cast(actualExpr, actualValue, ignoredValue.mType);
- }
- else if (!mModule->CanCast(ignoredValue, actualValue.mType))
- {
- mModule->Fail(StrFormat("Type of conditional expression cannot be determined because there is no implicit conversion between '%s' and '%s'",
- mModule->TypeToString(actualValue.mType).c_str(), mModule->TypeToString(ignoredValue.mType).c_str()), condExpr);
- }
- }
- mResult = actualValue;
- if (constResultUndef)
- mResult = mModule->GetDefaultTypedValue(mResult.mType, false, BfDefaultValueKind_Undef);
- return;
- }
- auto trueBB = mModule->mBfIRBuilder->CreateBlock("cond.then");
- auto falseBB = mModule->mBfIRBuilder->CreateBlock("cond.else");
- auto endBB = mModule->mBfIRBuilder->CreateBlock("cond.end");
- auto contBB = mModule->mBfIRBuilder->CreateBlock("cond.cont");
- mModule->mBfIRBuilder->CreateCondBr(condResult.mValue, trueBB, falseBB);
- SetAndRestoreValue<bool> prevInCondBlock(mModule->mCurMethodState->mCurScope->mInnerIsConditional, true);
- bool wantExpectingCast = (mExpectingType != NULL) && ((mBfEvalExprFlags & BfEvalExprFlags_NoCast) == 0);
- mModule->AddBasicBlock(trueBB);
- auto trueValue = mModule->CreateValueFromExpression(condExpr->mTrueExpression, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_CreateConditionalScope));
- if ((wantExpectingCast) && (trueValue) && (trueValue.mType != mExpectingType))
- {
- // In some cases like typed primitives - we CAN individually cast each value which it's a constant still, but not after the merging
- // IE: Color c = isOver ? 0xFF000000 : 0xFFFFFFFF;
- // Otherwise the resulting value would just be 'int' which cannot implicitly convert to Color, but each of those ints can be
- // a uint32 if converted separately
- auto checkTrueValue = mModule->Cast(condExpr->mTrueExpression, trueValue, mExpectingType, BfCastFlags_SilentFail);
- if (checkTrueValue)
- trueValue = checkTrueValue;
- mModule->FixIntUnknown(trueValue);
- }
- auto trueBlockPos = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->AddBasicBlock(falseBB);
- auto falseValue = mModule->CreateValueFromExpression(condExpr->mFalseExpression, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_CreateConditionalScope));
- auto falseBlockPos = mModule->mBfIRBuilder->GetInsertBlock();
- if ((wantExpectingCast) && (falseValue) && (falseValue.mType != mExpectingType))
- {
- auto checkFalseValue = mModule->Cast(condExpr->mFalseExpression, falseValue, mExpectingType, BfCastFlags_SilentFail);
- if (checkFalseValue)
- falseValue = checkFalseValue;
- mModule->FixIntUnknown(falseValue);
- }
- bool isValid = trueValue && falseValue;
- if (isValid)
- {
- BfTypedValue falseToTrue;
- {
- SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
- mModule->mBfIRBuilder->SetInsertPoint(falseBlockPos);
- falseToTrue = mModule->Cast(condExpr->mFalseExpression, falseValue, trueValue.mType);
- }
- if (falseToTrue)
- {
- falseValue = falseToTrue;
- }
- else
- {
- BfTypedValue trueToFalse;
- {
- SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
- mModule->mBfIRBuilder->SetInsertPoint(trueBlockPos);
- trueToFalse = mModule->Cast(condExpr->mTrueExpression, trueValue, falseValue.mType);
- }
- if (!trueToFalse)
- {
- mModule->Fail(StrFormat("Type of conditional expression cannot be determined because there is no implicit conversion between '%s' and '%s'",
- mModule->TypeToString(trueValue.mType).c_str(), mModule->TypeToString(falseValue.mType).c_str()), condExpr);
- //return;
- isValid = false;
- }
- else
- trueValue = trueToFalse;
- }
- }
- prevInCondBlock.Restore();
- mModule->mBfIRBuilder->SetInsertPoint(trueBlockPos);
- if (isValid)
- trueValue = mModule->LoadValue(trueValue);
- mModule->mBfIRBuilder->CreateBr(endBB);
- mModule->mBfIRBuilder->SetInsertPoint(falseBlockPos);
- if (isValid)
- falseValue = mModule->LoadValue(falseValue);
- mModule->mBfIRBuilder->CreateBr(endBB);
- mModule->AddBasicBlock(endBB, false);
- if (!isValid)
- return;
- mModule->mBfIRBuilder->SetInsertPoint(endBB);
- BfIRValue phi;
- if (!trueValue.mType->IsValuelessType())
- {
- if (trueValue.mType->IsVar())
- {
- phi = mModule->mBfIRBuilder->GetFakeVal();
- }
- else
- {
- mModule->mBfIRBuilder->PopulateType(trueValue.mType);
- phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(trueValue.mType), 2);
- mModule->mBfIRBuilder->AddPhiIncoming(phi, trueValue.mValue, trueBlockPos);
- mModule->mBfIRBuilder->AddPhiIncoming(phi, falseValue.mValue, falseBlockPos);
- }
- }
- mModule->mBfIRBuilder->CreateBr(contBB);
- mModule->AddBasicBlock(contBB);
- mResult = BfTypedValue(phi, trueValue.mType);
- }
- void BfExprEvaluator::PopulateDeferrredTupleAssignData(BfTupleExpression* tupleExpr, DeferredTupleAssignData& deferredTupleAssignData)
- {
- BfTypeVector fieldTypes;
- Array<String> fieldNames;
- // We need to evaluate each LHS tuple component in a separate BfExprEvaluator because each one
- // could be a property and the 'mPropDef' target info is tied to a single evaluator
- for (int valueIdx = 0; valueIdx < (int)tupleExpr->mValues.size(); valueIdx++)
- {
- DeferredTupleAssignData::Entry entry;
- entry.mExprEvaluator = NULL;
- entry.mInnerTuple = NULL;
- entry.mVarType = NULL;
- entry.mVarNameNode = NULL;
- BfExpression* valueExpr = tupleExpr->mValues[valueIdx];
- entry.mExpr = valueExpr;
- BfType* fieldType = NULL;
- BfType* resultType = NULL;
- if (auto innerTupleExpr = BfNodeDynCast<BfTupleExpression>(valueExpr))
- {
- entry.mInnerTuple = new DeferredTupleAssignData();
- PopulateDeferrredTupleAssignData(innerTupleExpr, *entry.mInnerTuple);
- resultType = entry.mInnerTuple->mTupleType;
- }
- else
- {
- BfExprEvaluator* exprEvaluator = new BfExprEvaluator(mModule);
- entry.mExprEvaluator = exprEvaluator;
- if (valueExpr->IsA<BfUninitializedExpression>())
- {
- resultType = mModule->GetPrimitiveType(BfTypeCode_None);
- }
- if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(valueExpr))
- {
- if ((varDecl->mTypeRef->IsA<BfLetTypeReference>()) || (varDecl->mTypeRef->IsA<BfVarTypeReference>()))
- {
- resultType = mModule->GetPrimitiveType(BfTypeCode_Var);
- }
- else
- {
- resultType = ResolveTypeRef(varDecl->mTypeRef);
- if (resultType == NULL)
- resultType = mModule->GetPrimitiveType(BfTypeCode_Var);
- }
- entry.mVarType = resultType;
- }
- if (auto binOpExpr = BfNodeDynCast<BfBinaryOperatorExpression>(valueExpr))
- {
- if (binOpExpr->mOp == BfBinaryOp_Multiply)
- {
- SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
- auto resolvedType = mModule->ResolveTypeRef(binOpExpr->mLeft, NULL);
- prevIgnoreError.Restore();
- if (resolvedType != NULL)
- {
- resultType = mModule->CreatePointerType(resolvedType);
- entry.mVarType = resultType;
- entry.mVarNameNode = binOpExpr->mRight;
- }
- }
- }
- if (resultType == NULL)
- {
- exprEvaluator->VisitChild(valueExpr);
- if ((!exprEvaluator->mResult) && (exprEvaluator->mPropDef == NULL))
- exprEvaluator->mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_None));
- resultType = exprEvaluator->mResult.mType;
- }
- if ((resultType == NULL) && (exprEvaluator->mPropDef != NULL) && (exprEvaluator->mPropTarget.mType != NULL))
- {
- auto propTypeInst = exprEvaluator->mPropTarget.mType->ToTypeInstance();
- if ((propTypeInst == NULL) && (exprEvaluator->mPropTarget.mType->IsPointer()))
- {
- BfPointerType* pointerType = (BfPointerType*)exprEvaluator->mPropTarget.mType;
- propTypeInst = pointerType->mElementType->ToTypeInstance();
- }
- auto setMethod = GetPropertyMethodDef(exprEvaluator->mPropDef, BfMethodType_PropertySetter, mPropCheckedKind, mPropTarget);
- if (setMethod != NULL)
- {
- auto methodInstance = mModule->GetMethodInstance(propTypeInst, setMethod, BfTypeVector());
- resultType = methodInstance.mMethodInstance->GetParamType(0);
- }
- else
- {
- auto getMethod = GetPropertyMethodDef(exprEvaluator->mPropDef, BfMethodType_PropertyGetter, mPropCheckedKind, mPropTarget);
- if (getMethod != NULL)
- {
- auto methodInstance = mModule->GetMethodInstance(propTypeInst, getMethod, BfTypeVector());
- auto retType = methodInstance.mMethodInstance->mReturnType;
- if (retType->IsRef())
- resultType = retType->GetUnderlyingType();
- }
- }
- }
- }
- if (resultType == NULL)
- resultType = mModule->GetPrimitiveType(BfTypeCode_None);
- deferredTupleAssignData.mChildren.push_back(entry);
- fieldTypes.push_back(resultType);
- }
- for (BfTupleNameNode* requestedName : tupleExpr->mNames)
- {
- if (requestedName == NULL)
- fieldNames.push_back("");
- else
- fieldNames.push_back(requestedName->mNameNode->ToString());
- }
- BfTypeInstance* tupleType = mModule->CreateTupleType(fieldTypes, fieldNames, true);
- deferredTupleAssignData.mTupleType = tupleType;
- }
- void BfExprEvaluator::AssignDeferrredTupleAssignData(BfAssignmentExpression* assignExpr, DeferredTupleAssignData& deferredTupleAssignData, BfTypedValue rightValue)
- {
- BF_ASSERT(rightValue.mType->IsTuple());
- auto tupleType = (BfTypeInstance*)rightValue.mType;
- for (int valueIdx = 0; valueIdx < (int)deferredTupleAssignData.mChildren.size(); valueIdx++)
- {
- auto& child = deferredTupleAssignData.mChildren[valueIdx];
- BfFieldInstance* fieldInstance = &tupleType->mFieldInstances[valueIdx];
- BfTypedValue elementValue;
- if (fieldInstance->mDataIdx >= 0)
- {
- rightValue = mModule->LoadOrAggregateValue(rightValue);
- mModule->mBfIRBuilder->PopulateType(rightValue.mType);
- auto extractedValue = mModule->mBfIRBuilder->CreateExtractValue(rightValue.mValue, fieldInstance->mDataIdx);
- elementValue = BfTypedValue(extractedValue, fieldInstance->GetResolvedType());
- if (child.mInnerTuple != NULL)
- {
- AssignDeferrredTupleAssignData(assignExpr, *child.mInnerTuple, elementValue);
- delete child.mInnerTuple;
- child.mInnerTuple = NULL;
- }
- else
- {
- if (child.mExprEvaluator->HasResult())
- {
- child.mExprEvaluator->mBfEvalExprFlags = (BfEvalExprFlags)(child.mExprEvaluator->mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete);
- child.mExprEvaluator->PerformAssignment(assignExpr, true, elementValue);
- }
- }
- }
- if (child.mVarType != NULL)
- {
- if (auto varDecl = BfNodeDynCast<BfVariableDeclaration>(child.mExpr))
- {
- if (!elementValue)
- elementValue = mModule->GetDefaultTypedValue(fieldInstance->GetResolvedType());
- mModule->HandleVariableDeclaration(varDecl, elementValue);
- }
- else
- {
- // This handles the 'a*b' disambiguated variable decl case
- mModule->HandleVariableDeclaration(child.mVarType, child.mVarNameNode, elementValue);
- }
- }
- }
- }
- void BfExprEvaluator::DoTupleAssignment(BfAssignmentExpression* assignExpr)
- {
- auto tupleExpr = BfNodeDynCast<BfTupleExpression>(assignExpr->mLeft);
- DeferredTupleAssignData deferredTupleAssignData;
- PopulateDeferrredTupleAssignData(tupleExpr, deferredTupleAssignData);
- BfTypeInstance* tupleType = deferredTupleAssignData.mTupleType;
- BfTypedValue rightValue;
- if (assignExpr->mRight != NULL)
- {
- rightValue = mModule->CreateValueFromExpression(assignExpr->mRight, tupleType);
- }
- if (!rightValue)
- {
- tupleType = mModule->SantizeTupleType(tupleType);
- rightValue = mModule->GetDefaultTypedValue(tupleType);
- }
- rightValue = mModule->LoadValue(rightValue);
- AssignDeferrredTupleAssignData(assignExpr, deferredTupleAssignData, rightValue);
- mResult = rightValue;
- }
- BfTypedValue BfExprEvaluator::PerformAssignment_CheckOp(BfAssignmentExpression* assignExpr, bool deferBinop, BfTypedValue& leftValue, BfTypedValue& rightValue, bool& evaluatedRight)
- {
- BfResolvedArgs argValues;
- auto checkTypeInst = leftValue.mType->ToTypeInstance();
- while (checkTypeInst != NULL)
- {
- for (auto operatorDef : checkTypeInst->mTypeDef->mOperators)
- {
- if (operatorDef->mOperatorDeclaration->mAssignOp != assignExpr->mOp)
- continue;
- auto methodInst = mModule->GetRawMethodInstanceAtIdx(checkTypeInst, operatorDef->mIdx);
- if (methodInst == NULL)
- continue;
- if (methodInst->GetParamCount() != 1)
- continue;
- auto paramType = methodInst->GetParamType(0);
- if (deferBinop)
- {
- if (argValues.mArguments == NULL)
- {
- SizedArray<BfExpression*, 2> argExprs;
- argExprs.push_back(assignExpr->mRight);
- BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
- argValues.Init(&sizedArgExprs);
- ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval);
- }
- evaluatedRight = true;
- rightValue = ResolveArgValue(argValues.mResolvedArgs[0], paramType);
- if (!rightValue)
- continue;
- }
- else
- {
- if (!mModule->CanCast(rightValue, paramType))
- continue;
- rightValue = mModule->Cast(assignExpr->mLeft, rightValue, paramType);
- BF_ASSERT(rightValue);
- }
- mModule->SetElementType(assignExpr->mOpToken, BfSourceElementType_Method);
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(assignExpr->mOpToken)))
- {
- if (operatorDef->mOperatorDeclaration != NULL)
- autoComplete->SetDefinitionLocation(operatorDef->mOperatorDeclaration->mOpTypeToken);
- }
- auto moduleMethodInstance = mModule->GetMethodInstance(checkTypeInst, operatorDef, BfTypeVector());
- BfExprEvaluator exprEvaluator(mModule);
- SizedArray<BfIRValue, 1> args;
- exprEvaluator.PushThis(assignExpr->mLeft, leftValue, moduleMethodInstance.mMethodInstance, args);
- exprEvaluator.PushArg(rightValue, args);
- exprEvaluator.CreateCall(assignExpr, moduleMethodInstance.mMethodInstance, moduleMethodInstance.mFunc, false, args);
- return leftValue;
- }
- checkTypeInst = mModule->GetBaseType(checkTypeInst);
- }
- return BfTypedValue();
- }
- void BfExprEvaluator::PerformAssignment(BfAssignmentExpression* assignExpr, bool evaluatedLeft, BfTypedValue rightValue, BfTypedValue* outCascadeValue)
- {
- auto binaryOp = BfAssignOpToBinaryOp(assignExpr->mOp);
- BfExpression* targetNode = assignExpr->mLeft;
- if ((BfNodeIsA<BfMixinExpression>(targetNode)) && (!mModule->mCurMethodInstance->mIsUnspecialized))
- {
- // If we have a "mixin = <X>" but there's no mixin target then ignore the assignment
- int mixinVar = GetMixinVariable();
- if (mixinVar == -1)
- {
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_None));
- return;
- }
- }
- BfAutoComplete* autoComplete = GetAutoComplete();
- bool deferredFixits = false;
- //TODO: Why was this needed? This breaks fixits on target nodes (ie: 'using' field fixit for 'fully quality')
- /*if ((autoComplete != NULL) && (autoComplete->mResolveType == BfResolveType_GetFixits))
- {
- SetAndRestoreValue<bool> ignoreFixits(autoComplete->mIgnoreFixits, true);
- VisitChild(targetNode);
- deferredFixits = true;
- }
- else*/
- if (!evaluatedLeft)
- {
- if (auto memberReferenceExpr = BfNodeDynCast<BfMemberReferenceExpression>(targetNode))
- {
- DoMemberReference(memberReferenceExpr, outCascadeValue);
- }
- else
- VisitChild(targetNode);
- }
- if ((!mResult) && (mPropDef == NULL))
- {
- if (assignExpr->mRight != NULL)
- {
- auto result = mModule->CreateValueFromExpression(assignExpr->mRight);
- if (deferredFixits)
- {
- SetAndRestoreValue<bool> ignoreErrors(mModule->mIgnoreErrors, true);
- mExpectingType = result.mType;
- VisitChild(targetNode);
- mResult = BfTypedValue();
- }
- }
- return;
- }
- ResolveGenericType();
- auto ptr = mModule->RemoveRef(mResult);
- mResult = BfTypedValue();
- if (mPropDef != NULL)
- {
- bool hasLeftVal = false;
- auto propDef = mPropDef;
- auto propTarget = mPropTarget;
- auto setMethod = GetPropertyMethodDef(mPropDef, BfMethodType_PropertySetter, mPropCheckedKind, mPropTarget);
- if (setMethod == NULL)
- {
- // Allow for a ref return on the getter to be used if a setter is not available
- GetResult();
- if ((mResult) && (mResult.mKind == BfTypedValueKind_Addr))
- {
- ptr = mResult;
- mResult = BfTypedValue();
- hasLeftVal = true;
- }
- else
- {
- mModule->Fail("Property has no setter", mPropSrc);
- if (assignExpr->mRight != NULL)
- mModule->CreateValueFromExpression(assignExpr->mRight, ptr.mType, BfEvalExprFlags_NoCast);
- return;
- }
- }
- if (!hasLeftVal)
- {
- auto methodInstance = GetPropertyMethodInstance(setMethod);
- if (methodInstance.mMethodInstance == NULL)
- return;
- //BF_ASSERT(methodInstance.mMethodInstance->mMethodDef == setMethod);
- CheckPropFail(setMethod, methodInstance.mMethodInstance, (mPropGetMethodFlags & BfGetMethodInstanceFlag_Friend) == 0);
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(mPropSrc)) && (autoComplete->mResolveType == BfResolveType_GetResultString))
- {
- autoComplete->mResultString = ":";
- autoComplete->mResultString += mModule->TypeToString(methodInstance.mMethodInstance->GetParamType(0));
- autoComplete->mResultString += " ";
- autoComplete->mResultString += mModule->TypeToString(methodInstance.mMethodInstance->GetOwner());
- autoComplete->mResultString += ".";
- autoComplete->mResultString += mPropDef->mName;
- }
- bool handled = false;
- BfTypedValue convVal;
- if (binaryOp != BfBinaryOp_None)
- {
- BfTypedValue leftValue = mModule->CreateValueFromExpression(assignExpr->mLeft, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowIntUnknown));
- if (!leftValue)
- return;
- bool evaluatedRight = false;
- auto opResult = PerformAssignment_CheckOp(assignExpr, true, leftValue, rightValue, evaluatedRight);
- if (opResult)
- {
- mResult = opResult;
- return;
- }
- else
- {
- if (evaluatedRight)
- {
- if (!rightValue)
- return;
- PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, BfBinOpFlag_ForceLeftType, leftValue, rightValue);
- }
- else
- PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, BfBinOpFlag_ForceLeftType, leftValue);
- if (!mResult)
- return;
- convVal = mResult;
- mResult = BfTypedValue();
- if (!convVal)
- return;
- }
- }
- else
- {
- auto wantType = methodInstance.mMethodInstance->GetParamType(0);
- if (rightValue)
- {
- convVal = mModule->Cast(assignExpr->mRight, rightValue, wantType);
- }
- else
- {
- if (assignExpr->mRight == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- BfEvalExprFlags exprFlags = (BfEvalExprFlags)(BfEvalExprFlags_AllowSplat | BfEvalExprFlags_PendingPropSet);
- if (wantType->IsRef())
- exprFlags = (BfEvalExprFlags)(exprFlags | BfEvalExprFlags_AllowRefExpr);
- convVal = mModule->CreateValueFromExpression(assignExpr->mRight, wantType, exprFlags);
- }
- if (!convVal)
- {
- mPropDef = NULL;
- return;
- }
- }
- if (!handled)
- {
- if (mPropSrc != NULL)
- mModule->UpdateExprSrcPos(mPropSrc);
- BfResolvedArg valueArg;
- valueArg.mTypedValue = convVal;
- mIndexerValues.Insert(0, valueArg);
- if (!setMethod->mIsStatic)
- {
- auto owner = methodInstance.mMethodInstance->GetOwner();
- if ((mPropTarget.mType != owner) ||
- ((mPropTarget.mValue.IsFake()) && (!mOrigPropTarget.mValue.IsFake())))
- {
- if ((mPropDefBypassVirtual) || (!mPropTarget.mType->IsInterface()))
- {
- mPropTarget = mModule->Cast(mPropSrc, mOrigPropTarget, owner);
- if (!mPropTarget)
- {
- mModule->Fail("Internal property error", mPropSrc);
- return;
- }
- }
- }
- }
- auto callFlags = mPropDefBypassVirtual ? BfCreateCallFlags_BypassVirtual : BfCreateCallFlags_None;
- mResult = CreateCall(mPropSrc, mPropTarget, mOrigPropTarget, setMethod, methodInstance, callFlags, mIndexerValues, NULL);
- mPropDef = NULL;
- mResult = convVal;
- mIndexerValues.Clear();
- return;
- }
- }
- }
- auto toType = ptr.mType;
- if (toType->IsRef())
- {
- auto refType = (BfRefType*)toType;
- toType = refType->mElementType;
- }
- if (toType->IsIntUnknown())
- toType = mModule->FixIntUnknown(toType);
- if ((autoComplete != NULL) && (assignExpr->mOpToken != NULL) && (toType != NULL))
- autoComplete->CheckEmptyStart(assignExpr->mOpToken, toType);
- BfExpression* rightExpr = assignExpr->mRight;
- if (rightExpr == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- bool alreadyWritten = false;
- BfTypedValue convVal;
- if (binaryOp != BfBinaryOp_None)
- {
- CheckResultForReading(ptr);
- BfTypedValue leftValue = ptr;
- bool deferBinop = false;
- BfDeferEvalChecker deferEvalChecker;
- deferEvalChecker.mDeferLiterals = false;
- assignExpr->mRight->Accept(&deferEvalChecker);
- if (deferEvalChecker.mNeedsDeferEval)
- deferBinop = true;
- if (binaryOp == BfBinaryOp_NullCoalesce)
- {
- deferBinop = true;
- }
- if (!deferBinop)
- {
- auto expectedType = ptr.mType;
- if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
- expectedType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- if ((!rightValue) && (assignExpr->mRight != NULL))
- {
- rightValue = mModule->CreateValueFromExpression(assignExpr->mRight, expectedType, (BfEvalExprFlags)(BfEvalExprFlags_AllowSplat | BfEvalExprFlags_NoCast));
- }
- }
- BfResolvedArgs argValues;
- if ((rightValue) || (deferBinop))
- {
- bool evaluatedRight = false;
- auto opResult = PerformAssignment_CheckOp(assignExpr, deferBinop, leftValue, rightValue, evaluatedRight);
- if (opResult)
- {
- mResult = opResult;
- return;
- }
- else
- {
- auto flags = BfBinOpFlag_ForceLeftType;
- if (deferBinop)
- flags = (BfBinOpFlags)(flags | BfBinOpFlag_DeferRight);
- leftValue = mModule->LoadValue(leftValue);
- if (binaryOp == BfBinaryOp_NullCoalesce)
- {
- if (!CheckModifyResult(ptr, assignExpr->mOpToken, "assign to", false, false, true))
- {
- mModule->CreateValueFromExpression(assignExpr->mRight, ptr.mType, (BfEvalExprFlags)(BfEvalExprFlags_AllowSplat | BfEvalExprFlags_NoCast));
- mResult = leftValue;
- return;
- }
- if (PerformBinaryOperation_NullCoalesce(assignExpr->mOpToken, assignExpr->mLeft, assignExpr->mRight, leftValue, leftValue.mType, &ptr))
- return;
- }
- PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, flags, leftValue, rightValue);
- }
- }
- convVal = mResult;
- mResult = BfTypedValue();
- if (!convVal)
- return;
- }
- else
- {
- convVal = rightValue;
- if (!convVal)
- {
- if (auto uninitExpr = BfNodeDynCast<BfUninitializedExpression>(rightExpr))
- {
- if (mResultLocalVar != NULL)
- {
- MarkResultAssigned();
- return;
- }
- }
- // In the cases like "structVal = GetVal()", the allowDirectStructRetWrite optimization allows us to pass the
- // address of structVal into the sret. We only allow that if structVal is a local, because if it's globally
- // visible then we could see the results of a partially-modified structVal
- //bool allowDirectStructRetWrite = mResultLocalVarIdx != -1;
- // ALTHOUGH- we can only allow this optimization if we can be sure the local value is not aliased- we could
- // have the backend ensure that this local value never gets its address taken.
- bool allowDirectStructWrite = false;
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mExpectingType = toType;
- if (allowDirectStructWrite)
- exprEvaluator.mReceivingValue = &ptr;
- exprEvaluator.Evaluate(rightExpr, false, false, true);
- exprEvaluator.CheckResultForReading(exprEvaluator.mResult);
- convVal = exprEvaluator.GetResult();
- mModule->FixIntUnknown(convVal);
- alreadyWritten = (allowDirectStructWrite) && (exprEvaluator.mReceivingValue == NULL);
- if (!convVal)
- convVal = mModule->GetDefaultTypedValue(toType);
- // Did we use mReceivingValue as a mixin result?
- if ((convVal.mValue) && (convVal.mValue == ptr.mValue))
- {
- mResult = convVal;
- return;
- }
- }
- }
- if (!CheckModifyResult(ptr, assignExpr->mOpToken, "assign to", false, false, true))
- {
- mResult = convVal;
- return;
- }
- if (ptr.mKind == BfTypedValueKind_CopyOnMutateAddr)
- ptr.mKind = BfTypedValueKind_Addr;
- else if (ptr.IsCopyOnMutate())
- ptr = mModule->CopyValue(ptr);
- BF_ASSERT(convVal);
- if ((convVal) && (convVal.mType->IsNull()) && (ptr.mType->IsNullable()))
- {
- // Allow this to pass through so we can catch it in the memset later in this function
- }
- else
- {
- if (!convVal.mType->IsComposite())
- convVal = mModule->LoadValue(convVal);
- convVal = mModule->Cast(rightExpr, convVal, toType);
- if (!convVal)
- return;
- convVal = mModule->LoadValue(convVal);
- }
- if (ptr.mType->IsVar())
- {
- mResult = ptr;
- MarkResultAssigned();
- return;
- }
- if (convVal.mValue)
- {
- if ((ptr.mType->IsStruct()) && (!ptr.mType->IsValuelessType()) && (convVal.mValue.IsConst()))
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(convVal.mValue);
- if ((constant->mTypeCode == BfTypeCode_NullPtr) || (constant->mConstType == BfConstType_AggZero))
- {
- auto type = ptr.mType;
- mModule->mBfIRBuilder->CreateMemSet(ptr.mValue, mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_Int8)),
- mModule->GetConstValue(type->mSize), type->mAlign);
- mResult = ptr;
- MarkResultAssigned();
- return;
- }
- }
- // if (ptr.mType->IsMethodRef())
- // {
- // auto methodRefType = (BfMethodRefType*)ptr.mType;
- // auto methodInstance = methodRefType->mMethodInstance;
- // int implicitParamCount = methodInstance->GetImplicitParamCount();
- // for (int implicitParamIdx = methodInstance->HasThis() ? - 1 : 0; implicitParamIdx < implicitParamCount; implicitParamIdx++)
- // {
- // bool failed = false;
- // auto destPtr = DoImplicitArgCapture(assignExpr, methodRefType->mMethodInstance, implicitParamIdx, failed, BfImplicitParamKind_GenericTypeMember_Addr);
- // auto srcVal = DoImplicitArgCapture(assignExpr, methodRefType->mMethodInstance, implicitParamIdx, failed, BfImplicitParamKind_GenericMethodMember);
- // if ((destPtr) && (srcVal))
- // {
- // srcVal = mModule->AggregateSplat(srcVal);
- // mModule->mBfIRBuilder->CreateStore(srcVal.mValue, destPtr.mValue);
- // }
- // }
- // }
- // else
- {
- mModule->mBfIRBuilder->PopulateType(ptr.mType);
- if (convVal.IsSplat())
- {
- //convVal = mModule->AggregateSplat(convVal);
- mModule->AggregateSplatIntoAddr(convVal, ptr.mValue);
- }
- else
- {
- if (ptr.mType->IsOpaque())
- {
- mModule->Fail(StrFormat("Unable to assign to opaque type '%s'", mModule->TypeToString(ptr.mType).c_str()), assignExpr);
- }
- else if (ptr.mType->IsValuelessType())
- {
- mModule->EmitEnsureInstructionAt();
- }
- else if (!alreadyWritten)
- {
- if ((mModule->mIsComptimeModule) && (mModule->mCompiler->mCeMachine->mDebugger != NULL) && (mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState != NULL))
- {
- auto ceDbgState = mModule->mCompiler->mCeMachine->mDebugger->mCurDbgState;
- bool success = false;
- if ((convVal.mValue.IsConst()) && (ptr.mValue.IsConst()))
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(ptr.mValue);
- auto valConstant = mModule->mBfIRBuilder->GetConstant(convVal.mValue);
- auto ceTypedVal = mModule->mCompiler->mCeMachine->mDebugger->GetAddr(constant);
- if (!ceTypedVal)
- {
- mModule->Fail("Invalid assignment address", assignExpr);
- return;
- }
- auto ceContext = mModule->mCompiler->mCeMachine->mCurContext;
- if (ceContext->CheckMemory((addr_ce)ceTypedVal.mAddr, convVal.mType->mSize))
- {
- if ((ceDbgState->mDbgExpressionFlags & DwEvalExpressionFlag_AllowSideEffects) != 0)
- {
- ceDbgState->mHadSideEffects = true;
- if (ceContext->WriteConstant(mModule, (addr_ce)ceTypedVal.mAddr, valConstant, convVal.mType))
- success = true;
- }
- else
- {
- ceDbgState->mBlockedSideEffects = true;
- success = true;
- }
- }
- }
- if (!success)
- {
- mModule->Fail("Assignment failed", assignExpr);
- return;
- }
- }
- if (!alreadyWritten)
- {
- //ptr = mModule->LoadValue(ptr);
- BF_ASSERT(ptr.IsAddr());
- convVal = mModule->LoadValue(convVal);
- auto storeInst = mModule->mBfIRBuilder->CreateAlignedStore(convVal.mValue, ptr.mValue, ptr.mType->mAlign, mIsVolatileReference);
- }
- }
- }
- }
- }
- else
- {
- BF_ASSERT(convVal.mType->IsValuelessType());
- }
- mResult = convVal;
- MarkResultAssigned();
- }
- void BfExprEvaluator::Visit(BfAssignmentExpression* assignExpr)
- {
- if (assignExpr->mLeft->IsA<BfTupleExpression>())
- {
- DoTupleAssignment(assignExpr);
- return;
- }
- BfAutoParentNodeEntry autoParentNodeEntry(mModule, assignExpr);
- BfTypedValue cascadeValue;
- PerformAssignment(assignExpr, false, BfTypedValue(), &cascadeValue);
- if (cascadeValue)
- mResult = cascadeValue;
- }
- void BfExprEvaluator::Visit(BfParenthesizedExpression* parenExpr)
- {
- VisitChild(parenExpr->mExpression);
- MakeResultAsValue();
- }
- void BfExprEvaluator::InitializedSizedArray(BfSizedArrayType* arrayType, BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken, BfTypedValue* receivingValue)
- {
- struct InitValue
- {
- BfTypedValue mValue;
- bool mIsUninitialized;
- bool mIsDefaultInitializer;
- bool mIsDeferred;
- InitValue()
- {
- mIsUninitialized = false;
- mIsDefaultInitializer = false;
- mIsDeferred = false;
- }
- };
- SizedArray<InitValue, 8> values;
- {
- //bool hasFailed = false;
- HashSet<int> failedAt;
- bool isAllConst = true;
- //bool endUninitialzied = false;
- int depth = 0;
- std::function<void(BfSizedArrayType*, BfTokenNode* openToken, const BfSizedArray<BfExpression*>&, const BfSizedArray<BfTokenNode*>&, BfTokenNode*, bool)>
- _GetValues = [&](BfSizedArrayType* checkArrayType, BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken, bool ignore)
- {
- int64 initCountDiff = (int)valueExprs.size() - checkArrayType->mElementCount;
- if ((initCountDiff != 0) && (!valueExprs.IsEmpty()) && (!failedAt.Contains(depth)))
- {
- if (checkArrayType->mElementCount == -1)
- {
- // mModule->Fail("Initializers not supported for unknown-sized arrays", valueExprs[0]);
- // failedAt.Add(depth);
- }
- else if (initCountDiff > 0)
- {
- mModule->Fail(StrFormat("Too many initializers, expected %d fewer", initCountDiff), valueExprs[BF_MAX((int)checkArrayType->mElementCount, 0)]);
- failedAt.Add(depth);
- }
- else
- {
- // If it ends with ", ?) or ",)" then allow unsized
- if (((valueExprs.size() == 0) || (BfNodeDynCast<BfUninitializedExpression>(valueExprs.back()) == NULL)) &&
- ((commas.size() < valueExprs.size()) || (valueExprs.size() == 0)))
- {
- BfAstNode* refNode = closeToken;
- if ((refNode == NULL) && (mModule->mParentNodeEntry != NULL))
- refNode = mModule->mParentNodeEntry->mNode;
- BF_ASSERT(refNode != NULL);
- mModule->Fail(StrFormat("Too few initializer, expected %d more", -initCountDiff), refNode);
- failedAt.Add(depth);
- }
- }
- }
- for (int idx = 0; idx < BF_MAX(checkArrayType->mElementCount, valueExprs.size()); idx++)
- {
- BfTypedValue elementValue;
- bool deferredValue = false;
- BfExpression* expr = NULL;
- if (idx < (int)valueExprs.size())
- {
- expr = valueExprs[idx];
- if (expr == NULL)
- {
- if (idx == 0)
- mModule->FailAfter("Expression expected", openToken);
- else
- mModule->FailAfter("Expression expected", commas[idx - 1]);
- }
- if ((BfNodeDynCastExact<BfUninitializedExpression>(expr) != NULL) && (idx == (int)commas.size()))
- {
- isAllConst = false;
- break;
- }
- if (checkArrayType->mElementType->IsSizedArray())
- {
- if (auto arrayInitExpr = BfNodeDynCast<BfTupleExpression>(expr))
- {
- depth++;
- _GetValues((BfSizedArrayType*)checkArrayType->mElementType, arrayInitExpr->mOpenParen, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseParen, ignore);
- depth--;
- continue;
- }
- else if (auto arrayInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(expr))
- {
- depth++;
- _GetValues((BfSizedArrayType*)checkArrayType->mElementType, arrayInitExpr->mOpenBrace, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseBrace, ignore);
- depth--;
- continue;
- }
- else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
- {
- depth++;
- SizedArray<BfExpression*, 1> values;
- values.Add(parenExpr->mExpression);
- SizedArray<BfTokenNode*, 1> commas;
- _GetValues((BfSizedArrayType*)checkArrayType->mElementType, parenExpr->mOpenParen, values, commas, parenExpr->mCloseParen, ignore);
- depth--;
- continue;
- }
- }
- if (expr != NULL)
- {
- auto evalFlags = (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags);
- bool tryDefer = false;
- if ((checkArrayType->IsComposite()) &&
- ((expr->IsA<BfInvocationExpression>()) || (expr->IsExact<BfTupleExpression>())))
- {
- // We evaluate with a new scope because this expression may create variables that we don't want to be visible to other
- // non-deferred evaluations (since the value may actually be a FakeVal)
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- elementValue = mModule->CreateValueFromExpression(expr, checkArrayType->mElementType, (BfEvalExprFlags)(evalFlags | BfEvalExprFlags_CreateConditionalScope));
- deferredValue = !prevIgnoreWrites.mPrevVal && elementValue.mValue.IsFake();
- }
- else
- {
- elementValue = mModule->CreateValueFromExpression(expr, checkArrayType->mElementType, evalFlags);
- }
- if (!elementValue)
- elementValue = mModule->GetDefaultTypedValue(checkArrayType->mElementType);
- if ((!elementValue) || (!CheckAllowValue(elementValue, expr)))
- elementValue = mModule->GetDefaultTypedValue(checkArrayType->mElementType);
- // For now, we can't properly create const-valued non-size-aligned composites
- if (!elementValue.mValue.IsConst())
- isAllConst = false;
- if (elementValue.IsAddr())
- isAllConst = false;
- InitValue initValue;
- initValue.mValue = elementValue;
- initValue.mIsDeferred = deferredValue;
- values.push_back(initValue);
- }
- }
- }
- };
- int valueIdx = 0;
- std::function<void(BfTypedValue, BfTokenNode* openToken, const BfSizedArray<BfExpression*>&, const BfSizedArray<BfTokenNode*>&, BfTokenNode*)>
- _CreateMemArray = [&](BfTypedValue arrayValue, BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken)
- {
- BF_ASSERT(arrayValue.mType->IsSizedArray());
- auto checkArrayType = (BfSizedArrayType*)arrayValue.mType;
- int valIdx = 0;
- bool hasUninit = false;
- for (int idx = 0; idx < checkArrayType->mElementCount; idx++)
- {
- BfExpression* expr = NULL;
- BfTypedValue elementValue;
- if (idx >= (int)valueExprs.size())
- break;
- expr = valueExprs[idx];
- if ((BfNodeDynCastExact<BfUninitializedExpression>(expr) != NULL) && (idx == (int)commas.size()))
- {
- hasUninit = true;
- break;
- }
- BfIRValue elemPtrValue = mModule->CreateIndexedValue(checkArrayType->mElementType, arrayValue.mValue, valIdx, true);
- valIdx++;
- if (checkArrayType->mElementType->IsSizedArray())
- {
- if (auto arrayInitExpr = BfNodeDynCast<BfTupleExpression>(expr))
- {
- _CreateMemArray(BfTypedValue(elemPtrValue, checkArrayType->mElementType, true), arrayInitExpr->mOpenParen, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseParen);
- continue;
- }
- else if (auto arrayInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(expr))
- {
- _CreateMemArray(BfTypedValue(elemPtrValue, checkArrayType->mElementType, true), arrayInitExpr->mOpenBrace, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseBrace);
- continue;
- }
- else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
- {
- depth++;
- SizedArray<BfExpression*, 1> values;
- values.Add(parenExpr->mExpression);
- SizedArray<BfTokenNode*, 1> commas;
- _CreateMemArray(BfTypedValue(elemPtrValue, checkArrayType->mElementType, true), parenExpr->mOpenParen, values, commas, parenExpr->mCloseParen);
- depth--;
- continue;
- }
- }
- if (expr != NULL)
- {
- InitValue initValue = values[valueIdx++];
- elementValue = initValue.mValue;
- if (initValue.mIsDeferred)
- {
- BfTypedValue elemePtrTypedVal = BfTypedValue(elemPtrValue, checkArrayType->mElementType, BfTypedValueKind_Addr);
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mExpectingType = checkArrayType->mElementType;
- exprEvaluator.mReceivingValue = &elemePtrTypedVal;
- exprEvaluator.Evaluate(expr);
- exprEvaluator.GetResult();
- if (exprEvaluator.mReceivingValue == NULL)
- {
- // We wrote directly to the array in-place, we're done with this element
- continue;
- }
- elementValue = exprEvaluator.mResult;
- elementValue = mModule->Cast(expr, elementValue, checkArrayType->mElementType);
- if (!elementValue)
- {
- mModule->AssertErrorState();
- continue;
- }
- }
- elementValue = mModule->LoadOrAggregateValue(elementValue);
- // Note that elemPtrValue can be a const GEP on a global variable
- mModule->mBfIRBuilder->CreateAlignedStore(elementValue.mValue, elemPtrValue, checkArrayType->mElementType->mAlign);
- }
- }
- int fillCount = (int)(checkArrayType->mElementCount - valIdx);
- if (fillCount > 0)
- {
- BfIRValue elemPtrValue = mModule->CreateIndexedValue(checkArrayType->mElementType, arrayValue.mValue, valIdx, true);
- if (hasUninit)
- {
- if (!mModule->IsOptimized())
- {
- int setSize = std::min(checkArrayType->mElementType->mSize, 128); // Keep it to a reasonable number of bytes to trash
- mModule->mBfIRBuilder->CreateMemSet(elemPtrValue, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, 0xCC),
- mModule->GetConstValue(setSize), checkArrayType->mElementType->mAlign);
- }
- }
- else
- {
- int setSize = (int)((checkArrayType->mElementType->GetStride() * (fillCount - 1)) + checkArrayType->mElementType->mSize);
- if (setSize >= 0)
- {
- mModule->mBfIRBuilder->CreateMemSet(elemPtrValue, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, 0),
- mModule->GetConstValue(setSize), checkArrayType->mElementType->mAlign);
- }
- }
- }
- };
- std::function<BfIRValue(BfTypedValue, BfTokenNode*, const BfSizedArray<BfExpression*>&, const BfSizedArray<BfTokenNode*>&, BfTokenNode*)>
- _CreateConstArray = [&](BfTypedValue arrayValue, BfTokenNode* openToken, const BfSizedArray<BfExpression*>& valueExprs, const BfSizedArray<BfTokenNode*>& commas, BfTokenNode* closeToken)
- {
- SizedArray<BfIRValue, 8> members;
- BF_ASSERT(arrayValue.mType->IsSizedArray());
- auto checkArrayType = (BfSizedArrayType*)arrayValue.mType;
- int valIdx = 0;
- for (int idx = 0; idx < checkArrayType->mElementCount; idx++)
- {
- BfTypedValue elementValue;
- if (idx >= (int)valueExprs.size())
- break;
- auto expr = valueExprs[idx];
- if (expr == NULL)
- continue;
- valIdx++;
- if (checkArrayType->mElementType->IsSizedArray())
- {
- if (auto arrayInitExpr = BfNodeDynCast<BfTupleExpression>(expr))
- {
- members.push_back(_CreateConstArray(checkArrayType->mElementType, arrayInitExpr->mOpenParen, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseParen));
- continue;
- }
- else if (auto arrayInitExpr = BfNodeDynCast<BfCollectionInitializerExpression>(expr))
- {
- members.push_back(_CreateConstArray(checkArrayType->mElementType, arrayInitExpr->mOpenBrace, arrayInitExpr->mValues, arrayInitExpr->mCommas, arrayInitExpr->mCloseBrace));
- continue;
- }
- else if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(expr))
- {
- depth++;
- SizedArray<BfExpression*, 1> values;
- values.Add(parenExpr->mExpression);
- SizedArray<BfTokenNode*, 1> commas;
- members.push_back(_CreateConstArray(checkArrayType->mElementType, parenExpr->mOpenParen, values, commas, parenExpr->mCloseParen));
- depth--;
- continue;
- }
- }
- InitValue initValue = values[valueIdx++];
- BF_ASSERT(!initValue.mIsUninitialized);
- elementValue = initValue.mValue;
- members.push_back(elementValue.mValue);
- }
- int fillCount = (int)(checkArrayType->mElementCount - valIdx);
- if (fillCount > 0)
- {
- // We just need to insert one default value, it will be duplicated as needed into the backend
- auto defaultVal = mModule->GetDefaultTypedValue(checkArrayType->GetUnderlyingType());
- BF_ASSERT(defaultVal.mValue.IsConst());
- members.push_back(defaultVal.mValue);
- }
- auto allocArrayType = checkArrayType;
- if (checkArrayType->IsUndefSizedArray())
- allocArrayType = mModule->CreateSizedArrayType(checkArrayType->GetUnderlyingType(), (int)members.size());
- return mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(checkArrayType), members);
- };
- _GetValues(arrayType, openToken, valueExprs, commas, closeToken, false);
- if (!failedAt.IsEmpty())
- {
- mResult = mModule->GetDefaultTypedValue(arrayType, false, BfDefaultValueKind_Addr);
- return;
- }
- if (receivingValue != NULL)
- {
- BF_ASSERT(receivingValue->mType == arrayType);
- BF_ASSERT(receivingValue->IsAddr());
- mResult = *receivingValue;
- _CreateMemArray(mResult, openToken, valueExprs, commas, closeToken);
- }
- else if (isAllConst)
- {
- mResult = BfTypedValue(_CreateConstArray(arrayType, openToken, valueExprs, commas, closeToken), arrayType, BfTypedValueKind_Value);
- }
- else
- {
- if ((mReceivingValue != NULL) && (mReceivingValue->mType == arrayType) && (mReceivingValue->IsAddr()))
- {
- mResult = *mReceivingValue;
- mReceivingValue = NULL;
- }
- else
- {
- auto arrayValue = mModule->CreateAlloca(arrayType);
- mResult = BfTypedValue(arrayValue, arrayType, BfTypedValueKind_TempAddr);
- }
- if (!arrayType->IsValuelessType())
- _CreateMemArray(mResult, openToken, valueExprs, commas, closeToken);
- }
- }
- }
- void BfExprEvaluator::Visit(BfTupleExpression* tupleExpr)
- {
- BfTypeInstance* tupleType = NULL;
- bool hadFullMatch = false;
- if ((mExpectingType != NULL) && (mExpectingType->IsTuple()))
- {
- tupleType = (BfTypeInstance*)mExpectingType;
- hadFullMatch = tupleType->mFieldInstances.size() == tupleExpr->mValues.size();
- }
- struct InitValue
- {
- BfTypedValue mValue;
- bool mIsUninitialized;
- bool mIsDefaultInitializer;
- bool mIsDeferred;
- InitValue()
- {
- mIsUninitialized = false;
- mIsDefaultInitializer = false;
- mIsDeferred = false;
- }
- };
- SizedArray<BfTypedValue, 2> typedValues;
- if ((tupleExpr->mCommas.size() != 0) && (tupleExpr->mCommas.size() >= tupleExpr->mValues.size()))
- {
- // We would normally give this error during syntax parsing, but a TupleExpression can be an array initializer
- mModule->FailAfter("Expression expected", tupleExpr->mCommas.back());
- }
- for (int valueIdx = 0; valueIdx < (int)tupleExpr->mValues.size(); valueIdx++)
- {
- BfExpression* valueExpr = tupleExpr->mValues[valueIdx];
- BfType* fieldType = NULL;
- BfFieldInstance* fieldInstance = NULL;
- if (tupleType != NULL)
- {
- if (valueIdx < (int)tupleType->mFieldInstances.size())
- {
- fieldInstance = (BfFieldInstance*)&tupleType->mFieldInstances[valueIdx];
- fieldType = fieldInstance->GetResolvedType();
- if (fieldType->IsVoid())
- {
- typedValues.push_back(BfTypedValue());
- continue;
- }
- if (fieldType->IsVar())
- {
- hadFullMatch = false;
- fieldType = NULL;
- }
- }
- }
- bool tryDefer = false;
- if (((fieldType == NULL) || (fieldType->IsComposite())) &&
- ((valueExpr->IsA<BfInvocationExpression>()) || (valueExpr->IsExact<BfTupleExpression>())))
- {
- tryDefer = true;
- }
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, mModule->mBfIRBuilder->mIgnoreWrites || tryDefer);
- BfTypedValue value = mModule->CreateValueFromExpression(valueExpr, fieldType);
- if (!value)
- {
- if (fieldType != NULL)
- value = mModule->GetDefaultTypedValue(fieldType);
- else
- value = mModule->GetDefaultTypedValue(mModule->mContext->mBfObjectType);
- }
- if ((fieldInstance != NULL) && (!fieldInstance->GetFieldDef()->IsUnnamedTupleField()) && (valueIdx < (int)tupleExpr->mNames.size()))
- {
- auto checkName = tupleExpr->mNames[valueIdx];
- if (checkName != NULL)
- {
- if (checkName->ToString() != fieldInstance->GetFieldDef()->mName)
- hadFullMatch = false;
- }
- }
- value = mModule->LoadValue(value);
- typedValues.push_back(value);
- }
- if (!hadFullMatch)
- {
- BfTypeVector fieldTypes;
- Array<String> fieldNames;
- HashSet<String> fieldNameSet;
- for (auto typedVal : typedValues)
- {
- auto type = typedVal.mType;
- if (type != NULL)
- fieldTypes.push_back(type);
- else
- fieldTypes.push_back(mModule->mContext->mBfObjectType);
- }
- for (BfTupleNameNode* requestedName : tupleExpr->mNames)
- {
- if (requestedName == NULL)
- fieldNames.push_back("");
- else
- {
- auto fieldName = requestedName->mNameNode->ToString();
- if (!fieldNameSet.TryAdd(fieldName, NULL))
- {
- mModule->Fail(StrFormat("A field named '%s' has already been declared", fieldName.c_str()), requestedName->mNameNode);
- }
- fieldNames.push_back(fieldName);
- }
- }
- tupleType = mModule->CreateTupleType(fieldTypes, fieldNames);
- }
- mModule->mBfIRBuilder->PopulateType(tupleType);
- BfIRValue curTupleValue;
- if ((mReceivingValue != NULL) && (mReceivingValue->mType == tupleType) && (mReceivingValue->IsAddr()))
- {
- mResult = *mReceivingValue;
- mReceivingValue = NULL;
- curTupleValue = mResult.mValue;
- }
- else
- {
- int valueIdx = -1;
- bool isExactConst = true;
- for (int fieldIdx = 0; fieldIdx < (int)tupleType->mFieldInstances.size(); fieldIdx++)
- {
- BfFieldInstance* fieldInstance = &tupleType->mFieldInstances[fieldIdx];
- if (fieldInstance->mDataIdx < 0)
- continue;
- ++valueIdx;
- auto typedValue = typedValues[valueIdx];
- if (typedValue.mType != fieldInstance->mResolvedType)
- {
- isExactConst = false;
- break;
- }
- if (!typedValue.mValue.IsConst())
- {
- isExactConst = false;
- break;
- }
- }
- if (isExactConst)
- {
- mModule->PopulateType(tupleType);
- if (tupleType->IsDataIncomplete())
- return;
- Array<BfIRValue> irValues;
- irValues.Resize(typedValues.mSize + 1);
- irValues[0] = mModule->mBfIRBuilder->CreateConstAggZero(mModule->mBfIRBuilder->MapType(tupleType->mBaseType));
- for (int fieldIdx = 0; fieldIdx < (int)tupleType->mFieldInstances.size(); fieldIdx++)
- {
- BfFieldInstance* fieldInstance = &tupleType->mFieldInstances[fieldIdx];
- if (fieldInstance->mDataIdx < 0)
- continue;
- while (fieldInstance->mDataIdx >= irValues.size())
- irValues.Add(BfIRValue());
- irValues[fieldInstance->mDataIdx] = typedValues[fieldIdx].mValue;
- }
- for (auto& val : irValues)
- {
- if (!val)
- val = mModule->mBfIRBuilder->CreateConstArrayZero(0);
- }
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(tupleType), irValues), tupleType);
- return;
- }
- curTupleValue = mModule->CreateAlloca(tupleType);
- mResultIsTempComposite = true;
- mResult = BfTypedValue(curTupleValue, tupleType, BfTypedValueKind_TempAddr);
- }
- int valueIdx = -1;
- for (int fieldIdx = 0; fieldIdx < (int)tupleType->mFieldInstances.size(); fieldIdx++)
- {
- BfFieldInstance* fieldInstance = &tupleType->mFieldInstances[fieldIdx];
- ++valueIdx;
- if (fieldInstance->mResolvedType->IsValuelessType())
- continue;
- auto typedVal = typedValues[valueIdx];
- if (!typedVal)
- {
- mModule->AssertErrorState();
- continue;
- }
- if (fieldInstance->mDataIdx >= 0)
- {
- auto memberVal = mModule->mBfIRBuilder->CreateInBoundsGEP(curTupleValue, 0, fieldInstance->mDataIdx);
- if ((!mModule->mBfIRBuilder->mIgnoreWrites) && (typedVal.mValue.IsFake()))
- {
- // Value was deferred. Allow us to try to init in place
- BfExpression* valueExpr = tupleExpr->mValues[valueIdx];
- BfTypedValue memberPtrTypedVal = BfTypedValue(memberVal, fieldInstance->mResolvedType, BfTypedValueKind_Addr);
- BfExprEvaluator exprEvaluator(mModule);
- exprEvaluator.mExpectingType = fieldInstance->mResolvedType;
- exprEvaluator.mReceivingValue = &memberPtrTypedVal;
- exprEvaluator.Evaluate(valueExpr);
- exprEvaluator.GetResult();
- if (exprEvaluator.mReceivingValue == NULL)
- {
- // We wrote directly to the array in-place, we're done with this element
- continue;
- }
- typedVal = exprEvaluator.mResult;
- typedVal = mModule->Cast(valueExpr, typedVal, fieldInstance->mResolvedType);
- if (!typedVal)
- {
- mModule->AssertErrorState();
- continue;
- }
- typedVal = mModule->LoadValue(typedVal);
- }
- if (typedVal.mType->IsVar())
- {
- // Do nothing
- }
- else if (typedVal.IsSplat())
- mModule->AggregateSplatIntoAddr(typedVal, memberVal);
- else
- mModule->mBfIRBuilder->CreateAlignedStore(typedVal.mValue, memberVal, typedVal.mType->mAlign);
- }
- }
- }
- BfTypedValue BfExprEvaluator::SetupNullConditional(BfTypedValue thisValue, BfTokenNode* dotToken)
- {
- bool isStaticLookup = (!thisValue) ||
- ((!thisValue.mType->IsValuelessType()) && (!thisValue.mValue));
- if (isStaticLookup)
- {
- mModule->Fail("Null conditional reference not valid for static field references", dotToken);
- return thisValue;
- }
- auto opResult = PerformUnaryOperation_TryOperator(thisValue, NULL, BfUnaryOp_NullConditional, dotToken, BfUnaryOpFlag_None);
- if (opResult)
- thisValue = opResult;
- if (thisValue.mType->IsGenericParam())
- {
- bool isValid = false;
- auto genericParams = mModule->GetGenericParamInstance((BfGenericParamType*)thisValue.mType);
- if (genericParams->mTypeConstraint != NULL)
- {
- if ((genericParams->mTypeConstraint->IsNullable()) ||
- (genericParams->mTypeConstraint->IsPointer()) ||
- (genericParams->mTypeConstraint->IsObjectOrInterface()))
- isValid = true;
- }
- if ((genericParams->mGenericParamFlags & (BfGenericParamFlag_Var | BfGenericParamFlag_StructPtr | BfGenericParamFlag_Class)) != 0)
- isValid = true;
- if (isValid)
- return thisValue;
- }
- if ((thisValue.mType->IsNullable()) || (thisValue.mType->IsVar()))
- {
- // Success
- }
- else if ((thisValue.mType->IsPointer()) || (thisValue.mType->IsObjectOrInterface()) || (thisValue.mType->IsFunction()))
- {
- // Also good
- }
- else
- {
- bool canBeNull = false;
- if (thisValue.mType->IsGenericParam())
- canBeNull = true;
- if (!canBeNull)
- mModule->Warn(0, StrFormat("Null conditional reference is unnecessary since value type '%s' can never be null", mModule->TypeToString(thisValue.mType).c_str()), dotToken);
- return thisValue;
- }
- thisValue = mModule->LoadValue(thisValue);
- if (thisValue.mType->IsVar())
- return thisValue;
- BfPendingNullConditional* pendingNullCond = mModule->mCurMethodState->mPendingNullConditional;
- if (pendingNullCond == NULL)
- {
- pendingNullCond = new BfPendingNullConditional();
- mModule->mCurMethodState->mPendingNullConditional = pendingNullCond;
- }
- if (!pendingNullCond->mPrevBB)
- pendingNullCond->mPrevBB = mModule->mBfIRBuilder->GetInsertBlock();
- if (!pendingNullCond->mDoneBB)
- pendingNullCond->mDoneBB = mModule->mBfIRBuilder->CreateBlock("nullCond.done");
- // We will in the br to checkBB later
- if (!pendingNullCond->mCheckBB)
- {
- pendingNullCond->mCheckBB = mModule->mBfIRBuilder->CreateBlock("nullCond.check");
- mModule->AddBasicBlock(pendingNullCond->mCheckBB);
- }
- BfIRValue isNotNull;
- if (thisValue.mType->IsNullable())
- {
- BfTypeInstance* nullableType = (BfTypeInstance*)thisValue.mType->ToTypeInstance();
- auto elementType = nullableType->GetUnderlyingType();
- if (elementType->IsValuelessType())
- {
- thisValue = mModule->MakeAddressable(thisValue);
- BfIRValue hasValuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue.mValue, 0, 1); // mHasValue
- isNotNull = mModule->mBfIRBuilder->CreateAlignedLoad(hasValuePtr, 1);
- thisValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), elementType, true);
- }
- else
- {
- thisValue = mModule->MakeAddressable(thisValue);
- BfIRValue hasValuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue.mValue, 0, 2); // mHasValue
- isNotNull = mModule->mBfIRBuilder->CreateAlignedLoad(hasValuePtr, 1);
- BfIRValue valuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(thisValue.mValue, 0, 1); // mValue
- thisValue = BfTypedValue(valuePtr, elementType, true);
- }
- }
- else if (thisValue.mType->IsFunction())
- {
- isNotNull = mModule->mBfIRBuilder->CreateCmpNE(thisValue.mValue, mModule->GetDefaultValue(thisValue.mType));
- }
- else
- isNotNull = mModule->mBfIRBuilder->CreateIsNotNull(thisValue.mValue);
- BfIRBlock notNullBB = mModule->mBfIRBuilder->CreateBlock("nullCond.notNull");
- pendingNullCond->mNotNullBBs.Add(notNullBB);
- mModule->mBfIRBuilder->CreateCondBr(isNotNull, notNullBB, pendingNullCond->mDoneBB);
- mModule->AddBasicBlock(notNullBB);
- return thisValue;
- }
- void BfExprEvaluator::CheckDotToken(BfTokenNode* tokenNode)
- {
- if ((tokenNode != NULL) && (tokenNode->mToken == BfToken_DotDot))
- mModule->Fail("Unexpected cascade operation. Chaining can only be used for method invocations", tokenNode);
- }
- void BfExprEvaluator::DoMemberReference(BfMemberReferenceExpression* memberRefExpr, BfTypedValue* outCascadeValue)
- {
- CheckDotToken(memberRefExpr->mDotToken);
- BfAttributeState attributeState;
- attributeState.mTarget = (BfAttributeTargets)(BfAttributeTargets_MemberAccess);
- String findName;
- BfAstNode* nameRefNode = memberRefExpr->mMemberName;
- if (auto attrIdentifierExpr = BfNodeDynCast<BfAttributedIdentifierNode>(memberRefExpr->mMemberName))
- {
- nameRefNode = attrIdentifierExpr->mIdentifier;
- // Don't validate
- attributeState.mCustomAttributes = mModule->GetCustomAttributes(attrIdentifierExpr->mAttributes, BfAttributeTargets_SkipValidate);
- if (nameRefNode != NULL)
- findName = attrIdentifierExpr->mIdentifier->ToString();
- }
- else if (memberRefExpr->mMemberName != NULL)
- findName = memberRefExpr->mMemberName->ToString();
- else if (memberRefExpr->mDotToken != NULL)
- mModule->FailAfter("Member name expected", memberRefExpr->mDotToken);
- defer
- (
- if (attributeState.mCustomAttributes != NULL)
- {
- if (mPropDef != NULL)
- attributeState.mTarget = (BfAttributeTargets)(attributeState.mTarget | BfAttributeTargets_Invocation);
- mModule->ValidateCustomAttributes(attributeState.mCustomAttributes, attributeState.mTarget);
- }
- );
- SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, &attributeState);
- BfTypeInstance* expectingTypeInst = NULL;
- if (mExpectingType != NULL)
- {
- expectingTypeInst = mExpectingType->ToTypeInstance();
- if (mExpectingType->IsPointer())
- expectingTypeInst = mExpectingType->GetUnderlyingType()->ToTypeInstance();
- else if (mExpectingType->IsNullable())
- expectingTypeInst = mExpectingType->GetUnderlyingType()->ToTypeInstance();
- else if (mExpectingType->IsConstExprValue())
- expectingTypeInst = mExpectingType->GetUnderlyingType()->ToTypeInstance();
- else if (mExpectingType->IsGenericParam())
- {
- auto genericParam = mModule->GetGenericParamInstance((BfGenericParamType*)mExpectingType);
- if (genericParam->mTypeConstraint != NULL)
- expectingTypeInst = genericParam->mTypeConstraint->ToTypeInstance();
- }
- }
- BfAutoComplete* autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- {
- SetAndRestoreValue<bool> prevFriendSet(autoComplete->mHasFriendSet, (attributeState.mCustomAttributes != NULL) && (attributeState.mCustomAttributes->Contains(mModule->mCompiler->mFriendAttributeTypeDef)));
- if (memberRefExpr->mTarget == NULL)
- {
- String filter;
- if ((mExpectingType != NULL) &&
- (autoComplete->InitAutocomplete(memberRefExpr->mDotToken, memberRefExpr->mMemberName, filter)))
- {
- if (expectingTypeInst != NULL)
- {
- bool allowPrivate = expectingTypeInst == mModule->mCurTypeInstance;
- if (expectingTypeInst->IsEnum())
- autoComplete->AddEnumTypeMembers(expectingTypeInst, filter, false, allowPrivate);
- autoComplete->AddSelfResultTypeMembers(expectingTypeInst, expectingTypeInst, filter, allowPrivate);
- }
- }
- else if ((expectingTypeInst != NULL) && (autoComplete->IsAutocompleteNode(memberRefExpr->mDotToken)) && (autoComplete->mIsGetDefinition))
- {
- if ((autoComplete->mDefType == NULL) &&
- (autoComplete->mDefMethod == NULL) && (autoComplete->mDefField == NULL) &&
- (autoComplete->mDefProp == NULL) && (expectingTypeInst->mTypeDef->mTypeDeclaration != NULL))
- {
- autoComplete->mDefType = expectingTypeInst->mTypeDef;
- autoComplete->SetDefinitionLocation(expectingTypeInst->mTypeDef->mTypeDeclaration->mNameNode);
- }
- }
- }
- else
- {
- autoComplete->CheckMemberReference(memberRefExpr->mTarget, memberRefExpr->mDotToken, memberRefExpr->mMemberName, false, mExpectingType);
- if (auto objCreateExpr = BfNodeDynCast<BfObjectCreateExpression>(memberRefExpr->mTarget))
- {
- // This handles a weird case where we have "obj a = new\nWhatever().Thing = 123;".
- // That gets parsed as "Whatever()" being the type we want to create, and then referencing
- // the "Thing" member of that new object.
- //if (objCreateExpr->mArraySizeSpecifier == NULL)
- CheckObjectCreateTypeRef(mExpectingType, objCreateExpr->mNewNode);
- }
- }
- }
- if (memberRefExpr->mTarget == NULL)
- {
- if (mExpectingType == NULL)
- {
- if (mModule->PreFail())
- mModule->Fail("Unqualified dot syntax can only be used when the result type can be inferred", nameRefNode);
- return;
- }
- if (mExpectingType->IsVar())
- {
- mResult = mModule->GetDefaultTypedValue(mExpectingType);
- return;
- }
- if (mExpectingType->IsSizedArray())
- {
- expectingTypeInst = mModule->GetWrappedStructType(mExpectingType);
- }
- if (expectingTypeInst == NULL)
- {
- if (mModule->PreFail())
- mModule->Fail(StrFormat("Unqualified dot syntax cannot be used with type '%s'", mModule->TypeToString(mExpectingType).c_str()), nameRefNode);
- return;
- }
- BfTypedValue expectingVal(expectingTypeInst);
- mResult = LookupField(memberRefExpr->mMemberName, expectingVal, findName);
- if ((mResult) || (mPropDef != NULL))
- return;
- }
- bool isNullCondLookup = (memberRefExpr->mDotToken != NULL) && (memberRefExpr->mDotToken->GetToken() == BfToken_QuestionDot);
- bool isCascade = ((memberRefExpr->mDotToken != NULL) && (memberRefExpr->mDotToken->GetToken() == BfToken_DotDot));
- bool isArrowLookup = ((memberRefExpr->mDotToken != NULL) && (memberRefExpr->mDotToken->GetToken() == BfToken_Arrow));
- BfIdentifierNode* nameLeft = BfNodeDynCast<BfIdentifierNode>(memberRefExpr->mTarget);
- BfIdentifierNode* nameRight = BfIdentifierCast(memberRefExpr->mMemberName);
- if ((nameLeft != NULL) && (nameRight != NULL) && (!isNullCondLookup) && (!isCascade) && (!isArrowLookup))
- {
- bool hadError = false;
- LookupQualifiedName(memberRefExpr, nameLeft, nameRight, true, &hadError);
- if ((mResult) || (mPropDef != NULL))
- return;
- if (hadError)
- return;
- LookupQualifiedStaticField(memberRefExpr, nameLeft, nameRight, false);
- return;
- }
- BfTypedValue thisValue;
- if (auto exprTarget = BfNodeDynCast<BfExpression>(memberRefExpr->mTarget))
- {
- if (auto typeOfExpr = BfNodeDynCast<BfTypeOfExpression>(memberRefExpr->mTarget))
- {
- if (auto nameIdentifer = BfNodeDynCast<BfIdentifierNode>(memberRefExpr->mMemberName))
- {
- if (LookupTypeProp(typeOfExpr, nameIdentifer))
- return;
- }
- }
- //Hm, not using VisitChild broke our ability to write to a field for a not-initialized local struct
- VisitChild(memberRefExpr->mTarget);
- GetResult();
- thisValue = mResult;
- if (!thisValue)
- {
- if (auto targetIdentifier = BfNodeDynCast<BfIdentifierNode>(exprTarget))
- {
- thisValue = BfTypedValue(mModule->ResolveTypeRef(targetIdentifier, NULL, BfPopulateType_Declaration));
- }
- }
- if (!thisValue.HasType())
- return;
- //thisValue = mResult;
- }
- else if (auto typeRef = BfNodeDynCast<BfTypeReference>(memberRefExpr->mTarget))
- {
- // Look up static field
- thisValue = BfTypedValue(ResolveTypeRef(typeRef));
- }
- if (nameRefNode == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- if (isNullCondLookup)
- thisValue = SetupNullConditional(thisValue, memberRefExpr->mDotToken);
- if ((isArrowLookup) && (thisValue))
- thisValue = TryArrowLookup(thisValue, memberRefExpr->mDotToken);
- auto nameNode = memberRefExpr->mMemberName;
- if ((thisValue.mType != NULL) && (!thisValue.mType->IsTypeInstance()) && (!thisValue.mType->IsGenericParam()))
- {
- if (thisValue.mType->IsSizedArray())
- {
- if (thisValue.mType->IsValuelessType())
- {
- thisValue.mType = mModule->GetWrappedStructType(thisValue.mType);
- thisValue.mValue = mModule->mBfIRBuilder->GetFakeVal();
- }
- else
- {
- thisValue = mModule->MakeAddressable(thisValue);
- thisValue.mType = mModule->GetWrappedStructType(thisValue.mType);
- thisValue.mValue = mModule->mBfIRBuilder->CreateBitCast(thisValue.mValue, mModule->mBfIRBuilder->MapTypeInstPtr(thisValue.mType->ToTypeInstance()));
- }
- }
- else if (thisValue.mType->IsPointer())
- {
- // Leave alone
- }
- else if (thisValue.mType->IsWrappableType())
- {
- thisValue.mType = mModule->GetWrappedStructType(thisValue.mType);
- }
- }
- BfTypedValue lookupVal = thisValue;
- if (thisValue.mType != NULL)
- {
- auto lookupType = BindGenericType(nameNode, thisValue.mType);
- if ((lookupType->IsGenericParam()) && (!thisValue.mType->IsGenericParam()))
- {
- bool prevUseMixinGenerics = false;
- if (mModule->mCurMethodState->mMixinState != NULL)
- {
- prevUseMixinGenerics = mModule->mCurMethodState->mMixinState->mUseMixinGenerics;
- mModule->mCurMethodState->mMixinState->mUseMixinGenerics = true;
- }
- // Try to lookup from generic binding
- mResult = LookupField(nameRight, BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), lookupType), findName, BfLookupFieldFlag_BindOnly);
- if (mModule->mCurMethodState->mMixinState != NULL)
- mModule->mCurMethodState->mMixinState->mUseMixinGenerics = prevUseMixinGenerics;
- if (mPropDef != NULL)
- {
- mOrigPropTarget = lookupVal;
- return;
- }
- }
- }
- mResult = LookupField(nameRefNode, lookupVal, findName);
- if ((!mResult) && (mPropDef == NULL))
- {
- if (thisValue.mType != NULL)
- {
- BfTypeInstance* typeInst = thisValue.mType->ToTypeInstance();
- auto compiler = mModule->mCompiler;
- if ((typeInst != NULL) && (compiler->IsAutocomplete()) && (compiler->mResolvePassData->mAutoComplete->CheckFixit(memberRefExpr->mMemberName)))
- {
- FixitAddMember(typeInst, mExpectingType, findName, !thisValue.mValue);
- }
- }
- if ((!thisValue.mValue) && (thisValue.mType != NULL))
- {
- if (auto targetIdentifier = BfNodeDynCast<BfIdentifierNode>(memberRefExpr->mMemberName))
- {
- if ((mBfEvalExprFlags & BfEvalExprFlags_NameOf) != 0)
- {
- auto typeInst = thisValue.mType->ToTypeInstance();
- if ((typeInst != NULL) && (CheckForMethodName(nameRight, typeInst, findName)))
- return;
- }
- mResult.mType = mModule->ResolveInnerType(thisValue.mType, targetIdentifier, BfPopulateType_Declaration);
- }
- }
- if ((memberRefExpr->mTarget == NULL) && (expectingTypeInst != NULL) && (autoComplete != NULL))
- {
- if (autoComplete->CheckFixit(memberRefExpr->mMemberName))
- {
- autoComplete->FixitAddCase(expectingTypeInst, memberRefExpr->mMemberName->ToString(), BfTypeVector());
- }
- }
- if (mResult.mType == NULL)
- {
- if (mModule->PreFail())
- {
- if ((thisValue) && (thisValue.mType->IsPointer()) && (thisValue.mType->GetUnderlyingType()->IsObjectOrInterface()))
- mModule->Fail(StrFormat("Members cannot be referenced on type '%s' because the type is a pointer to a reference type (ie: a double-reference).",
- mModule->TypeToString(thisValue.mType).c_str()), nameRefNode);
- else if (thisValue)
- mModule->Fail(StrFormat("Unable to find member '%s' in '%s'", findName.c_str(), mModule->TypeToString(thisValue.mType).c_str()), nameRefNode);
- else
- mModule->Fail("Unable to find member", nameRefNode);
- }
- }
- }
- if ((isNullCondLookup) && (mPropDef == NULL))
- mResult = GetResult();
- if (isCascade)
- {
- if (outCascadeValue != NULL)
- *outCascadeValue = thisValue;
- else if (mModule->PreFail())
- mModule->Fail("Unexpected cascade operation. Chaining can only be used for method invocations", memberRefExpr->mDotToken);
- }
- }
- void BfExprEvaluator::Visit(BfMemberReferenceExpression* memberRefExpr)
- {
- DoMemberReference(memberRefExpr, NULL);
- }
- void BfExprEvaluator::Visit(BfIndexerExpression* indexerExpr)
- {
- HandleIndexerExpression(indexerExpr, BfTypedValue());
- }
- void BfExprEvaluator::HandleIndexerExpression(BfIndexerExpression* indexerExpr, BfTypedValue target)
- {
- BfAstNode* refNode = indexerExpr->mOpenBracket;
- if (refNode == NULL)
- refNode = indexerExpr->mTarget;
-
- bool wantStatic = false;
- // Try first as a non-static indexer, then as a static indexer
- if (!target)
- {
- for (int pass = 0; pass < 2; pass++)
- {
- ///
- {
- SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NoLookupError | BfEvalExprFlags_AllowBase), pass == 0);
- VisitChild(indexerExpr->mTarget);
- }
- ResolveGenericType();
- target = GetResult(true);
- if (target)
- break;
- if (pass == 0)
- {
- SetAndRestoreValue<bool> prevIgnoreErrors(mModule->mIgnoreErrors, (mModule->mIgnoreErrors) || (pass == 0));
- auto staticType = mModule->ResolveTypeRef(indexerExpr->mTarget, {});
- if (staticType != NULL)
- {
- wantStatic = true;
- target.mType = staticType;
- break;
- }
- }
- }
- }
- if (!target.HasType())
- return;
- if (target.mType->IsGenericParam())
- {
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)target.mType);
- if (genericParamInstance->mTypeConstraint != NULL)
- target.mType = genericParamInstance->mTypeConstraint;
- }
- BfCheckedKind checkedKind = BfCheckedKind_NotSet;
- bool isInlined = false;
- if ((mModule->mAttributeState != NULL) && (mModule->mAttributeState->mCustomAttributes != NULL))
- {
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mInlineAttributeTypeDef))
- {
- isInlined = true;
- mModule->mAttributeState->mUsed = true;
- }
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mCheckedAttributeTypeDef))
- {
- checkedKind = BfCheckedKind_Checked;
- mModule->mAttributeState->mUsed = true;
- }
- if (mModule->mAttributeState->mCustomAttributes->Contains(mModule->mCompiler->mUncheckedAttributeTypeDef))
- {
- checkedKind = BfCheckedKind_Unchecked;
- mModule->mAttributeState->mUsed = true;
- }
- }
- // Avoid attempting to apply the current attributes to the indexer arguments
- SetAndRestoreValue<BfAttributeState*> prevAttributeState(mModule->mAttributeState, NULL);
- bool isNullCondLookup = (indexerExpr->mOpenBracket != NULL) && (indexerExpr->mOpenBracket->GetToken() == BfToken_QuestionLBracket);
- if (isNullCondLookup)
- target = SetupNullConditional(target, indexerExpr->mOpenBracket);
- if (target.mType->IsVar())
- {
- mResult = BfTypedValue(mModule->GetDefaultValue(target.mType), target.mType, true);
- return;
- }
-
- if ((target.mType->IsTypeInstance()) || (target.mType->IsGenericParam()))
- {
- BfGenericParamInstance* genericParamInstance = NULL;
- if (target.mType->IsGenericParam())
- genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)target.mType);
- mIndexerValues.clear();
- SizedArray<BfExpression*, 2> argExprs;
- BfSizedArray<BfExpression*> sizedArgExprs(indexerExpr->mArguments);
- BfResolvedArgs argValues(&sizedArgExprs);
- ResolveArgValues(argValues, (BfResolveArgsFlags)(BfResolveArgsFlag_DeferParamEval | BfResolveArgsFlag_FromIndexer));
- mIndexerValues = argValues.mResolvedArgs;
- BfMethodMatcher methodMatcher(indexerExpr->mTarget, mModule, "[]", mIndexerValues, BfMethodGenericArguments());
- methodMatcher.mCheckedKind = checkedKind;
- BfMethodDef* methodDef = NULL;
- auto startCheckTypeInst = target.mType->ToTypeInstance();
- auto lookupType = target.mType;
- if (lookupType != NULL)
- {
- lookupType = BindGenericType(refNode, lookupType);
- if (lookupType->IsGenericParam())
- startCheckTypeInst = NULL;
- }
- for (int pass = 0; pass < 2; pass++)
- {
- bool isFailurePass = pass == 1;
- BfPropertyDef* foundProp = NULL;
- BfTypeInstance* foundPropTypeInst = NULL;
- BfBaseClassWalker baseClassWalker(lookupType, NULL, mModule, true);
-
- while (true)
- {
- auto checkEntry = baseClassWalker.Next();
- auto curCheckType = checkEntry.mTypeInstance;
- if (curCheckType == NULL)
- break;
- BfProtectionCheckFlags protectionCheckFlags = BfProtectionCheckFlag_None;
- curCheckType->mTypeDef->PopulateMemberSets();
- BfMemberSetEntry* entry;
- BfPropertyDef* matchedProp = NULL;
- BfPropertyDef* nextProp = NULL;
- if (curCheckType->mTypeDef->mPropertySet.TryGetWith(String("[]"), &entry))
- nextProp = (BfPropertyDef*)entry->mMemberDef;
- while (nextProp != NULL)
- {
- auto prop = nextProp;
- nextProp = nextProp->mNextWithSameName;
- //TODO: Match against setMethod (minus last param) if we have no 'get' method
- for (auto checkMethod : prop->mMethods)
- {
- if (checkMethod->mMethodType != BfMethodType_PropertyGetter)
- continue;
- if (checkMethod->mIsStatic != wantStatic)
- continue;
- if (checkMethod->mExplicitInterface != NULL)
- continue;
- auto autoComplete = GetAutoComplete();
- bool wasCapturingMethodMatchInfo = false;
- if (autoComplete != NULL)
- {
- // Set to false to make sure we don't capture method match info from 'params' array creation
- wasCapturingMethodMatchInfo = autoComplete->mIsCapturingMethodMatchInfo;
- autoComplete->mIsCapturingMethodMatchInfo = false;
- }
- defer
- (
- if (autoComplete != NULL)
- autoComplete->mIsCapturingMethodMatchInfo = wasCapturingMethodMatchInfo;
- );
- if ((!isFailurePass) && (!methodMatcher.WantsCheckMethod(protectionCheckFlags, startCheckTypeInst, curCheckType, checkMethod)))
- continue;
- if (!methodMatcher.IsMemberAccessible(curCheckType, checkMethod->mDeclaringType))
- continue;
- methodMatcher.mCheckedKind = checkedKind;
- methodMatcher.mTarget = target;
- bool hadMatch = methodMatcher.CheckMethod(startCheckTypeInst, curCheckType, checkMethod, false);
- if ((hadMatch) || (methodMatcher.mBackupMethodDef == checkMethod))
- {
- foundPropTypeInst = curCheckType;
- foundProp = prop;
- }
- }
- }
- curCheckType = curCheckType->mBaseType;
- }
- if (foundProp != NULL)
- {
- mPropSrc = indexerExpr->mOpenBracket;
- mPropDef = foundProp;
- if (foundProp->mIsStatic)
- {
- mPropTarget = BfTypedValue(foundPropTypeInst);
- }
- else
- {
- if (target.mType != foundPropTypeInst)
- mPropTarget = mModule->Cast(indexerExpr->mTarget, target, foundPropTypeInst);
- else
- mPropTarget = target;
- }
- mOrigPropTarget = mPropTarget;
- if (isInlined)
- mPropGetMethodFlags = (BfGetMethodInstanceFlags)(mPropGetMethodFlags | BfGetMethodInstanceFlag_ForceInline);
- mPropCheckedKind = checkedKind;
- if ((target.IsBase()) && (mPropDef->IsVirtual()))
- mPropDefBypassVirtual = true;
- return;
- }
- }
- mModule->Fail("Unable to find indexer property", indexerExpr->mTarget);
- return;
- }
- bool wantsChecks = checkedKind == BfCheckedKind_Checked;
- if (checkedKind == BfCheckedKind_NotSet)
- wantsChecks = mModule->GetDefaultCheckedKind() == BfCheckedKind_Checked;
-
- if (target.mType->IsVar())
- {
- mResult = target;
- return;
- }
- if ((!target.mType->IsPointer()) && (!target.mType->IsSizedArray()))
- {
- mModule->Fail("Expected pointer or array type", indexerExpr->mTarget);
- return;
- }
- auto _GetDefaultResult = [&]()
- {
- return mModule->GetDefaultTypedValue(target.mType->GetUnderlyingType(), false, BfDefaultValueKind_Addr);
- };
- if (indexerExpr->mArguments.size() != 1)
- {
- mModule->Fail("Expected single index", indexerExpr->mOpenBracket);
- mResult = _GetDefaultResult();
- return;
- }
- if (indexerExpr->mArguments[0] == NULL)
- {
- mModule->AssertErrorState();
- mResult = _GetDefaultResult();
- return;
- }
- bool isUndefIndex = false;
- auto indexArgument = mModule->CreateValueFromExpression(indexerExpr->mArguments[0], mModule->GetPrimitiveType(BfTypeCode_IntPtr), BfEvalExprFlags_NoCast);
- if (!indexArgument)
- return;
- if (!indexArgument.mType->IsIntegral())
- {
- if (indexArgument.mType->IsVar())
- {
- isUndefIndex = true;
- indexArgument = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_IntPtr), false, BfDefaultValueKind_Undef);
- }
- else
- {
- indexArgument = mModule->Cast(indexerExpr->mArguments[0], indexArgument, mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- if (!indexArgument)
- indexArgument = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- }
- }
- if (indexArgument.mType->IsPrimitiveType())
- {
- auto primType = (BfPrimitiveType*)indexArgument.mType;
- if ((!primType->IsSigned()) && (primType->mSize < 8))
- {
- // GEP will always do a signed upcast so we need to cast manually if we are unsigned
- indexArgument = BfTypedValue(mModule->mBfIRBuilder->CreateNumericCast(indexArgument.mValue, false, BfTypeCode_IntPtr), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- }
- }
- mModule->PopulateType(target.mType);
- if (target.mType->IsSizedArray())
- {
- BfSizedArrayType* sizedArrayType = (BfSizedArrayType*)target.mType;
- auto underlyingType = sizedArrayType->mElementType;
- if (indexArgument.mValue.IsConst())
- {
- auto indexConst = mModule->mBfIRBuilder->GetConstant(indexArgument.mValue);
- if ((BfIRBuilder::IsIntable(indexConst->mTypeCode)) && (indexConst->mUInt64 >= (uint64)sizedArrayType->mElementCount))
- {
- if ((!mModule->IsInSpecializedSection()) && (checkedKind != BfCheckedKind_Unchecked))
- {
- mModule->Fail(StrFormat("Index '%d' is out of bounds for type '%s'", indexConst->mInt32, mModule->TypeToString(target.mType).c_str()), indexerExpr->mArguments[0]);
- mResult = _GetDefaultResult();
- return;
- }
- else
- {
- // Is this any good?
- mModule->mBfIRBuilder->CreateUnreachable();
- }
- }
- }
- else if (((mModule->HasExecutedOutput()) || (mModule->mIsComptimeModule)) &&
- (wantsChecks))
- {
- if (checkedKind == BfCheckedKind_NotSet)
- checkedKind = mModule->GetDefaultCheckedKind();
- if (checkedKind == BfCheckedKind_Checked)
- {
- auto oobBlock = mModule->mBfIRBuilder->CreateBlock("oob", true);
- auto contBlock = mModule->mBfIRBuilder->CreateBlock("cont", true);
- auto indexType = (BfPrimitiveType*)indexArgument.mType;
- if (!mModule->mSystem->DoesLiteralFit(indexType->mTypeDef->mTypeCode, (int64)sizedArrayType->mElementCount))
- {
- // We need to upsize the index so we can compare it against the larger elementCount
- indexType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- indexArgument = mModule->Cast(indexerExpr->mArguments[0], indexArgument, indexType);
- }
- auto cmpRes = mModule->mBfIRBuilder->CreateCmpGTE(indexArgument.mValue, mModule->mBfIRBuilder->CreateConst(indexType->mTypeDef->mTypeCode, (uint64)sizedArrayType->mElementCount), false);
- mModule->mBfIRBuilder->CreateCondBr(cmpRes, oobBlock, contBlock);
- mModule->mBfIRBuilder->SetInsertPoint(oobBlock);
- auto internalType = mModule->ResolveTypeDef(mModule->mCompiler->mInternalTypeDef);
- auto oobFunc = mModule->GetMethodByName(internalType->ToTypeInstance(), "ThrowIndexOutOfRange");
- if (oobFunc.mFunc)
- {
- if (mModule->mIsComptimeModule)
- mModule->mCompiler->mCeMachine->QueueMethod(oobFunc.mMethodInstance, oobFunc.mFunc);
- SizedArray<BfIRValue, 1> args;
- args.push_back(mModule->GetConstValue(0));
- mModule->mBfIRBuilder->CreateCall(oobFunc.mFunc, args);
- mModule->mBfIRBuilder->CreateUnreachable();
- }
- else
- {
- mModule->Fail("System.Internal class must contain method 'ThrowIndexOutOfRange'");
- }
- mModule->mBfIRBuilder->SetInsertPoint(contBlock);
- }
- }
- // If this is a 'bag of bytes', we should try hard not to have to make this addressable
- if ((!target.IsAddr()) && (!target.mType->IsSizeAligned()))
- mModule->MakeAddressable(target);
- mResult = BfTypedValue();
- mModule->PopulateType(underlyingType);
- if ((sizedArrayType->IsUndefSizedArray()) || (isUndefIndex))
- {
- mResult = mModule->GetDefaultTypedValue(underlyingType, false, BfDefaultValueKind_Addr);
- }
- else if (sizedArrayType->IsValuelessType())
- {
- if (underlyingType->IsValuelessType())
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), underlyingType, true);
- else
- {
- mResult = mModule->GetDefaultTypedValue(underlyingType, false, BfDefaultValueKind_Addr);
- }
- }
- else if (target.IsAddr())
- {
- // Handle below
- }
- else
- {
- if ((!target.mValue.IsConst()) && (!indexArgument.mValue.IsConst()))
- {
- target = mModule->MakeAddressable(target);
- }
- else
- {
- mModule->mBfIRBuilder->PopulateType(target.mType);
- auto gepResult = mModule->mBfIRBuilder->CreateExtractValue(target.mValue, indexArgument.mValue);
- if ((underlyingType->IsString()) || (underlyingType->IsPointer()))
- {
- auto resultConst = mModule->mBfIRBuilder->GetConstant(gepResult);
- if ((resultConst != NULL) && (resultConst->mTypeCode == BfTypeCode_Int32))
- {
- int strId = resultConst->mInt32;
- const StringImpl& str = mModule->mContext->mStringObjectIdMap[strId].mString;
- if (underlyingType->IsString())
- gepResult = mModule->GetStringObjectValue(str, false);
- else
- gepResult = mModule->GetStringCharPtr(strId);
- }
- }
- mResult = BfTypedValue(gepResult, underlyingType, BfTypedValueKind_Value);
- }
- }
- if ((!mResult) && (target.IsAddr()))
- {
- if (target.mType->IsSizeAligned())
- {
- auto gepResult = mModule->mBfIRBuilder->CreateInBoundsGEP(target.mValue, mModule->GetConstValue(0), indexArgument.mValue);
- mResult = BfTypedValue(gepResult, underlyingType, target.IsReadOnly() ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- else
- {
- auto indexResult = mModule->CreateIndexedValue(underlyingType, target.mValue, indexArgument.mValue);
- mResult = BfTypedValue(indexResult, underlyingType, target.IsReadOnly() ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr);
- }
- }
- if (!mResult)
- {
- mModule->Fail("Unable to index value", indexerExpr->mTarget);
- return;
- }
- }
- else
- {
- // We are no longer accessing data within this type
- mResultLocalVar = NULL;
- target = mModule->LoadValue(target);
- BfPointerType* pointerType = (BfPointerType*)target.mType;
- auto underlyingType = pointerType->mElementType;
- mModule->mBfIRBuilder->PopulateType(underlyingType);
- if (underlyingType->IsOpaque())
- {
- mModule->Fail(StrFormat("Unable to index opaque pointer type '%s'", mModule->TypeToString(pointerType).c_str()), indexerExpr);
- }
- else if (isUndefIndex)
- {
- mResult = mModule->GetDefaultTypedValue(underlyingType, false, BfDefaultValueKind_Addr);
- }
- else
- {
- BfIRValue result = mModule->CreateIndexedValue(underlyingType, target.mValue, indexArgument.mValue);
- mResult = BfTypedValue(result, underlyingType, true);
- }
- }
- }
- void BfExprEvaluator::Visit(BfUnaryOperatorExpression* unaryOpExpr)
- {
- BfAutoParentNodeEntry autoParentNodeEntry(mModule, unaryOpExpr);
- PerformUnaryOperation(unaryOpExpr->mExpression, unaryOpExpr->mOp, unaryOpExpr->mOpToken, BfUnaryOpFlag_None);
- }
- void BfExprEvaluator::PerformUnaryOperation(BfExpression* unaryOpExpr, BfUnaryOp unaryOp, BfTokenNode* opToken, BfUnaryOpFlags opFlags)
- {
- if ((unaryOpExpr == NULL) && (unaryOp == BfUnaryOp_PartialRangeThrough))
- {
- PerformBinaryOperation(NULL, NULL, BfBinaryOp_ClosedRange, opToken, BfBinOpFlag_None);
- return;
- }
- ///
- {
- SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags);
- BfType* prevExpedcting = mExpectingType;
- switch (unaryOp)
- {
- case BfUnaryOp_Ref:
- // Allow
- break;
- case BfUnaryOp_Dereference:
- if (mExpectingType != NULL)
- {
- if (mExpectingType->IsRef())
- mExpectingType = mExpectingType->GetUnderlyingType();
- if (!mExpectingType->IsVar())
- mExpectingType = mModule->CreatePointerType(mExpectingType);
- }
- break;
- case BfUnaryOp_Negate:
- case BfUnaryOp_Positive:
- case BfUnaryOp_InvertBits:
- // If we're expecting an int64 or uint64 then just leave the type as unknown
- if ((mExpectingType != NULL) && (mExpectingType->IsInteger()) && (mExpectingType->mSize == 8))
- mExpectingType = NULL;
- // Otherwise keep expecting type
- break;
- case BfUnaryOp_Params:
- mBfEvalExprFlags = (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_InParamsExpr);
- break;
- default:
- mExpectingType = NULL;
- }
- VisitChild(unaryOpExpr);
- mExpectingType = prevExpedcting;
- }
- BfExprEvaluator::PerformUnaryOperation_OnResult(unaryOpExpr, unaryOp, opToken, opFlags);
- }
- BfTypedValue BfExprEvaluator::PerformUnaryOperation_TryOperator(const BfTypedValue& inValue, BfExpression* unaryOpExpr, BfUnaryOp unaryOp, BfTokenNode* opToken, BfUnaryOpFlags opFlags)
- {
- if ((!inValue.mType->IsTypeInstance()) && (!inValue.mType->IsGenericParam()))
- return BfTypedValue();
- SizedArray<BfResolvedArg, 1> args;
- BfResolvedArg resolvedArg;
- resolvedArg.mTypedValue = inValue;
- args.push_back(resolvedArg);
- BfMethodMatcher methodMatcher(opToken, mModule, "", args, BfMethodGenericArguments());
- methodMatcher.mBfEvalExprFlags = BfEvalExprFlags_NoAutoComplete;
- methodMatcher.mAllowImplicitRef = true;
- BfBaseClassWalker baseClassWalker(inValue.mType, NULL, mModule);
- BfUnaryOp findOp = unaryOp;
- bool isPostOp = false;
- if (findOp == BfUnaryOp_PostIncrement)
- {
- findOp = BfUnaryOp_Increment;
- isPostOp = true;
- }
- if (findOp == BfUnaryOp_PostDecrement)
- {
- findOp = BfUnaryOp_Decrement;
- isPostOp = true;
- }
- bool isConstraintCheck = ((opFlags & BfUnaryOpFlag_IsConstraintCheck) != 0);
- BfType* operatorConstraintReturnType = NULL;
- BfType* bestSelfType = NULL;
- while (true)
- {
- auto entry = baseClassWalker.Next();
- auto checkType = entry.mTypeInstance;
- if (checkType == NULL)
- break;
- for (auto operatorDef : checkType->mTypeDef->mOperators)
- {
- if (operatorDef->mOperatorDeclaration->mUnaryOp == findOp)
- {
- if (!methodMatcher.IsMemberAccessible(checkType, operatorDef->mDeclaringType))
- continue;
- int prevArgSize = (int)args.mSize;
- if (!operatorDef->mIsStatic)
- {
- // Try without arg
- args.mSize = 0;
- }
- if (isConstraintCheck)
- {
- auto returnType = mModule->CheckOperator(checkType, operatorDef, inValue, BfTypedValue());
- if (returnType != NULL)
- {
- operatorConstraintReturnType = returnType;
- methodMatcher.mBestMethodDef = operatorDef;
- }
- }
- else
- {
- if (methodMatcher.CheckMethod(NULL, checkType, operatorDef, false))
- methodMatcher.mSelfType = entry.mSrcType;
- }
- args.mSize = prevArgSize;
- }
- }
- }
- methodMatcher.FlushAmbiguityError();
- if (methodMatcher.mBestMethodDef == NULL)
- {
- // Check method generic constraints
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
- {
- for (int genericParamIdx = 0; genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
- {
- auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
- for (auto& opConstraint : genericParam->mOperatorConstraints)
- {
- if (opConstraint.mUnaryOp == findOp)
- {
- if (mModule->CanCast(args[0].mTypedValue, opConstraint.mRightType, isConstraintCheck ? BfCastFlags_IsConstraintCheck : BfCastFlags_None))
- {
- return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), genericParam->mExternType);
- }
- }
- }
- }
- }
- // Check type generic constraints
- if ((mModule->mCurTypeInstance->IsGenericTypeInstance()) && (mModule->mCurTypeInstance->IsUnspecializedType()))
- {
- auto genericTypeInst = (BfTypeInstance*)mModule->mCurTypeInstance;
- for (int genericParamIdx = 0; genericParamIdx < genericTypeInst->mGenericTypeInfo->mGenericParams.size(); genericParamIdx++)
- {
- auto genericParam = mModule->GetGenericTypeParamInstance(genericParamIdx);
- for (auto& opConstraint : genericParam->mOperatorConstraints)
- {
- if (opConstraint.mUnaryOp == findOp)
- {
- if (mModule->CanCast(args[0].mTypedValue, opConstraint.mRightType, isConstraintCheck ? BfCastFlags_IsConstraintCheck : BfCastFlags_None))
- {
- return BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), genericParam->mExternType);
- }
- }
- }
- }
- }
- return BfTypedValue();
- }
- if ((!baseClassWalker.mMayBeFromInterface) && (opToken != NULL))
- mModule->SetElementType(opToken, BfSourceElementType_Method);
- auto methodDef = methodMatcher.mBestMethodDef;
- auto autoComplete = GetAutoComplete();
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(opToken)))
- {
- auto operatorDecl = BfNodeDynCast<BfOperatorDeclaration>(methodDef->mMethodDeclaration);
- if ((operatorDecl != NULL) && (operatorDecl->mOpTypeToken != NULL))
- autoComplete->SetDefinitionLocation(operatorDecl->mOpTypeToken);
- }
- SizedArray<BfExpression*, 2> argSrcs;
- argSrcs.push_back(unaryOpExpr);
- BfTypedValue targetVal = args[0].mTypedValue;
- BfTypedValue postOpVal;
- if (isPostOp)
- postOpVal = mModule->LoadValue(targetVal);
- BfTypedValue callTarget;
- if (!methodMatcher.mBestMethodDef->mIsStatic)
- {
- callTarget = targetVal;
- args.Clear();
- }
- BfTypedValue result;
- if (isConstraintCheck)
- {
- result = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), operatorConstraintReturnType);
- }
- else
- {
- SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete));
- SetAndRestoreValue<BfDeferCallData*> prevDeferCallRef(mDeferCallData, NULL);
- result = CreateCall(&methodMatcher, callTarget);
- }
- if (!methodMatcher.mBestMethodDef->mIsStatic)
- {
- if (!isPostOp)
- result = mModule->LoadValue(targetVal);
- }
- else if ((result.mType != NULL) && (methodMatcher.mSelfType != NULL) && (result.mType->IsSelf()))
- {
- BF_ASSERT(mModule->IsInGeneric());
- result = mModule->GetDefaultTypedValue(methodMatcher.mSelfType);
- }
- if ((methodMatcher.mBestMethodInstance) &&
- ((findOp == BfUnaryOp_Increment) || (findOp == BfUnaryOp_Decrement)))
- {
- if (methodMatcher.mBestMethodInstance.mMethodInstance->mIsIntrinsic)
- {
- if (args[0].mTypedValue.IsAddr())
- mModule->mBfIRBuilder->CreateStore(result.mValue, args[0].mTypedValue.mValue);
- else
- {
- mModule->AssertErrorState();
- }
- }
- else
- {
- if (!result.mType->IsValuelessType())
- {
- if (targetVal.IsAddr())
- {
- result = mModule->LoadValue(result);
- mModule->mBfIRBuilder->CreateStore(result.mValue, targetVal.mValue);
- }
- }
- }
- }
- if (postOpVal)
- result = postOpVal;
- return result;
- }
- void BfExprEvaluator::PerformUnaryOperation_OnResult(BfExpression* unaryOpExpr, BfUnaryOp unaryOp, BfTokenNode* opToken, BfUnaryOpFlags opFlags)
- {
- BfAstNode* propSrc = mPropSrc;
- BfTypedValue origPropTarget = mOrigPropTarget;
- BfTypedValue propTarget = mPropTarget;
- BfPropertyDef* propDef = mPropDef;
- SizedArray<BfResolvedArg, 2> indexerVals = mIndexerValues;
- BfTypedValue writeToProp;
- GetResult();
- if (!mResult)
- return;
- mResult = mModule->RemoveRef(mResult);
- if (mResult.mType->IsVar())
- {
- mResult = BfTypedValue(mModule->GetDefaultValue(mResult.mType), mResult.mType);
- return;
- }
- if (BfCanOverloadOperator(unaryOp))
- {
- auto opResult = PerformUnaryOperation_TryOperator(mResult, unaryOpExpr, unaryOp, opToken, opFlags);
- if (opResult)
- {
- mResult = opResult;
- return;
- }
- }
- switch (unaryOp)
- {
- case BfUnaryOp_PostIncrement:
- case BfUnaryOp_Increment:
- case BfUnaryOp_PostDecrement:
- case BfUnaryOp_Decrement:
- {
- if (mResult.mKind == BfTypedValueKind_CopyOnMutateAddr)
- {
- // Support this ops on direct auto-property access without a copy
- mResult.mKind = BfTypedValueKind_Addr;
- }
- }
- break;
- }
- bool numericFail = false;
- switch (unaryOp)
- {
- case BfUnaryOp_Not:
- {
- CheckResultForReading(mResult);
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- auto value = mModule->LoadValue(mResult);
- value = mModule->Cast(unaryOpExpr, value, boolType);
- if (!value)
- {
- mResult = BfTypedValue();
- return;
- }
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNot(value.mValue), boolType);
- }
- break;
- case BfUnaryOp_Positive:
- return;
- case BfUnaryOp_Negate:
- {
- CheckResultForReading(mResult);
- auto value = mModule->LoadValue(mResult);
- if (!value)
- {
- mResult = BfTypedValue();
- return;
- }
- BfType* origType = value.mType;
- if (value.mType->IsTypedPrimitive())
- value.mType = value.mType->GetUnderlyingType();
- if (value.mType->IsIntegral())
- {
- auto primType = (BfPrimitiveType*)value.mType;
- auto wantType = primType;
- auto constant = mModule->mBfIRBuilder->GetConstant(value.mValue);
- if ((constant != NULL) && (mModule->mBfIRBuilder->IsInt(constant->mTypeCode)))
- {
- if ((primType->mTypeDef->mTypeCode == BfTypeCode_UInt32) && (constant->mInt64 == 0x80000000LL))
- {
- mResult = BfTypedValue(mModule->GetConstValue32(-0x80000000LL), mModule->GetPrimitiveType(BfTypeCode_Int32));
- return;
- }
- else if ((primType->mTypeDef->mTypeCode == BfTypeCode_UInt64) && (constant->mInt64 == 0x8000000000000000LL))
- {
- mResult = BfTypedValue(mModule->GetConstValue64(-0x8000000000000000LL), mModule->GetPrimitiveType(BfTypeCode_Int64));
- return;
- }
- }
- /*if (auto constantInt = dyn_cast<ConstantInt>((Value*)value.mValue))
- {
- int64 i64Val = constantInt->getSExtValue();
- // This is a special case where the user entered -0x80000000 (maxint) but we thought "0x80000000" was a uint in the parser
- // which would get upcasted to an int64 for this negate. Properly bring back down to an int32
- if ((primType->mTypeDef->mTypeCode == BfTypeCode_UInt32) && (i64Val == -0x80000000LL))
- {
- mResult = BfTypedValue(mModule->GetConstValue((int)i64Val), mModule->GetPrimitiveType(BfTypeCode_Int32));
- return;
- }
- }*/
- if (!primType->IsSigned())
- {
- if (primType->mSize == 1)
- wantType = mModule->GetPrimitiveType(BfTypeCode_Int16);
- else if (primType->mSize == 2)
- wantType = mModule->GetPrimitiveType(BfTypeCode_Int32);
- else if (primType->mSize == 4)
- wantType = mModule->GetPrimitiveType(BfTypeCode_Int64);
- else
- mModule->Fail("Operator '-' cannot be applied to uint64", opToken);
- }
- if (primType != wantType)
- {
- value = mModule->Cast(unaryOpExpr, value, wantType, BfCastFlags_Explicit);
- if (!value)
- {
- mResult = BfTypedValue();
- return;
- }
- }
- if (origType->mSize == wantType->mSize) // Allow negative of primitive typed but not if we had to upsize
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNeg(value.mValue), origType);
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNeg(value.mValue), wantType);
- }
- else if (value.mType->IsFloat())
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNeg(value.mValue), origType);
- else
- {
- ResolveGenericType();
- if (mResult.mType->IsVar())
- break;
- numericFail = true;
- }
- }
- break;
- case BfUnaryOp_InvertBits:
- {
- CheckResultForReading(mResult);
- auto value = mModule->LoadValue(mResult);
- if (!value)
- return;
- bool isInteger = value.mType->IsIntegral();
- if (value.mType->IsTypedPrimitive())
- isInteger = value.mType->GetUnderlyingType()->IsIntegral();
- if (!isInteger)
- {
- mResult = BfTypedValue();
- mModule->Fail("Operator can only be used on integer types", opToken);
- return;
- }
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateNot(value.mValue), value.mType);
- }
- break;
- case BfUnaryOp_AddressOf:
- {
- MarkResultUsed();
- mModule->FixIntUnknown(mResult);
- mModule->PopulateType(mResult.mType);
- auto ptrType = mModule->CreatePointerType(mResult.mType);
- if ((mResult.mType->IsValuelessType()) && (!mResult.mType->IsOpaque()))
- {
- if (!mModule->IsInSpecializedSection())
- {
- mModule->Warn(0, StrFormat("Operator '&' results in a sentinel address for zero-sized type '%s'",
- mModule->TypeToString(mResult.mType).c_str()), opToken);
- }
- // Sentinel value
- auto val = mModule->mBfIRBuilder->CreateIntToPtr(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 1), mModule->mBfIRBuilder->MapType(ptrType));
- mResult = BfTypedValue(val, ptrType);
- }
- else if (!CheckModifyResult(mResult, unaryOpExpr, "take address of", false, true))
- {
- if (!mResult.IsAddr())
- mResult = mModule->MakeAddressable(mResult, false, true);
- mResult = BfTypedValue(mResult.mValue, ptrType, false);
- }
- else
- mResult = BfTypedValue(mResult.mValue, ptrType, false);
- }
- break;
- case BfUnaryOp_Dereference:
- {
- CheckResultForReading(mResult);
- if (mResult.mType->IsGenericParam())
- {
- auto genericParamInstance = mModule->GetGenericParamInstance((BfGenericParamType*)mResult.mType);
- if ((genericParamInstance->mTypeConstraint != NULL) && (genericParamInstance->mTypeConstraint->IsPointer()))
- {
- mResult = mModule->GetDefaultTypedValue(genericParamInstance->mTypeConstraint->GetUnderlyingType(), false, BfDefaultValueKind_Addr);
- break;
- }
- }
- if (!mResult.mType->IsPointer())
- {
- mResult = BfTypedValue();
- mModule->Fail("Cannot dereference non-pointer type", unaryOpExpr);
- return;
- }
- if (mResult.mValue.IsConst())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(mResult.mValue);
- bool isNull = constant->mTypeCode == BfTypeCode_NullPtr;
- if (constant->mConstType == BfConstType_ExtractValue)
- {
- auto constExtract = (BfConstantExtractValue*)constant;
- auto targetConst = mModule->mBfIRBuilder->GetConstantById(constExtract->mTarget);
- if (targetConst->mConstType == BfConstType_AggZero)
- isNull = true;
- }
- if (isNull)
- {
- mModule->Warn(0, "Cannot dereference a null pointer", unaryOpExpr);
- mResult = mModule->GetDefaultTypedValue(mResult.mType, false, BfDefaultValueKind_Addr);
- mResult = mModule->LoadValue(mResult);
- }
- }
- auto derefTarget = mModule->LoadValue(mResult);
- BfPointerType* pointerType = (BfPointerType*)derefTarget.mType;
- auto resolvedType = pointerType->mElementType;
- mModule->PopulateType(resolvedType);
- if (resolvedType->IsValuelessNonOpaqueType())
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), resolvedType, true);
- else
- mResult = BfTypedValue(derefTarget.mValue, resolvedType, true);
- }
- break;
- case BfUnaryOp_PostIncrement:
- case BfUnaryOp_Increment:
- {
- CheckResultForReading(mResult);
- auto ptr = mResult;
- //if ((propDef == NULL) && (!mModule->CheckModifyValue(ptr, opToken)))
- if ((propDef == NULL) && (!CheckModifyResult(ptr, opToken, "increment")))
- return;
- BfTypedValue origTypedVal = mModule->LoadValue(ptr, NULL, mIsVolatileReference);
- BfIRValue origVal = origTypedVal.mValue;
- BfIRValue constValue = mModule->GetConstValue(1, ptr.mType);
- BfIRValue resultValue;
- if (ptr.mType->IsPointer())
- {
- BfPointerType* ptrType = (BfPointerType*)ptr.mType;
- BfType* intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- constValue = mModule->GetConstValue(ptrType->mElementType->GetStride(), intPtrType);
- auto i8PtrType = mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_Int8));
- BfIRValue origPtrValue = mModule->mBfIRBuilder->CreateBitCast(origVal, i8PtrType);
- BfIRValue newPtrValue = mModule->mBfIRBuilder->CreateInBoundsGEP(origPtrValue, constValue);
- resultValue = mModule->mBfIRBuilder->CreateBitCast(newPtrValue, mModule->mBfIRBuilder->MapType(ptr.mType));
- }
- else
- {
- constValue = mModule->GetConstValue(1, ptr.mType);
- if (!constValue)
- {
- numericFail = true;
- break;
- }
- if ((ptr.mType->IsIntegral()) || (ptr.mType->IsEnum()) || (ptr.mType->IsFloat()))
- {
- resultValue = mModule->mBfIRBuilder->CreateAdd(origVal, constValue/*, "inc"*/);
- }
- else
- {
- numericFail = true;
- break;
- }
- }
- if ((propDef != NULL) && (!ptr.IsAddr()))
- writeToProp = BfTypedValue(resultValue, ptr.mType);
- else
- mModule->mBfIRBuilder->CreateAlignedStore(resultValue, ptr.mValue, ptr.mType->mAlign, mIsVolatileReference);
- if (unaryOp == BfUnaryOp_PostIncrement)
- mResult = BfTypedValue(origVal, ptr.mType, false);
- else
- mResult = BfTypedValue(resultValue, ptr.mType, false);
- }
- break;
- case BfUnaryOp_PostDecrement:
- case BfUnaryOp_Decrement:
- {
- CheckResultForReading(mResult);
- auto ptr = mResult;
- //if ((propDef == NULL) && (!mModule->CheckModifyValue(ptr, opToken)))
- //return;
- if ((propDef == NULL) && (!CheckModifyResult(ptr, opToken, "decrement")))
- return;
- BfTypedValue origTypedVal = mModule->LoadValue(ptr, NULL, mIsVolatileReference);
- BfIRValue origVal = origTypedVal.mValue;
- BfIRValue constValue = mModule->GetConstValue(1, ptr.mType);
- BfIRValue resultValue;
- if (ptr.mType->IsPointer())
- {
- BfPointerType* ptrType = (BfPointerType*)ptr.mType;
- BfType* intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- constValue = mModule->GetConstValue(-ptrType->mElementType->GetStride(), intPtrType);
- auto i8PtrType = mModule->mBfIRBuilder->GetPointerTo(mModule->mBfIRBuilder->GetPrimitiveType(BfTypeCode_Int8));
- BfIRValue origPtrValue = mModule->mBfIRBuilder->CreateBitCast(origVal, i8PtrType);
- BfIRValue newPtrValue = mModule->mBfIRBuilder->CreateInBoundsGEP(origPtrValue, constValue);
- resultValue = mModule->mBfIRBuilder->CreateBitCast(newPtrValue, mModule->mBfIRBuilder->MapType(ptr.mType));
- }
- else
- {
- BfIRValue constValue = mModule->GetConstValue(1, ptr.mType);
- if (!constValue)
- {
- numericFail = true;
- break;
- }
- if ((ptr.mType->IsIntegral()) || (ptr.mType->IsEnum()))
- {
- resultValue = mModule->mBfIRBuilder->CreateSub(origVal, constValue);
- }
- else if (ptr.mType->IsFloat())
- {
- resultValue = mModule->mBfIRBuilder->CreateSub(origVal, constValue);
- }
- else
- {
- numericFail = true;
- break;
- }
- }
- if ((propDef != NULL) && (!ptr.IsAddr()))
- writeToProp = BfTypedValue(resultValue, ptr.mType);
- else
- mModule->mBfIRBuilder->CreateAlignedStore(resultValue, ptr.mValue, ptr.mType->mAlign, mIsVolatileReference);
- if (unaryOp == BfUnaryOp_PostDecrement)
- mResult = BfTypedValue(origVal, ptr.mType, false);
- else
- mResult = BfTypedValue(resultValue, ptr.mType, false);
- }
- break;
- case BfUnaryOp_Ref:
- case BfUnaryOp_Mut:
- {
- if (mAllowReadOnlyReference)
- {
- if (mResult.mKind == BfTypedValueKind_ReadOnlyAddr)
- mResult.mKind = BfTypedValueKind_Addr;
- }
- CheckResultForReading(mResult);
- if ((unaryOp == BfUnaryOp_Mut) && (!mResult.mType->IsValueType()) && (!mResult.mType->IsGenericParam()))
- {
- // Non-valuetypes types are already mutable, leave them alone...
- break;
- }
- if ((unaryOp != BfUnaryOp_Mut) || (mResult.mKind != BfTypedValueKind_MutableValue))
- {
- if (!CheckModifyResult(mResult, unaryOpExpr, StrFormat("use '%s' on", BfGetOpName(unaryOp)).c_str()))
- {
- // Just leave the non-ref version in mResult
- return;
- }
- }
- if ((mBfEvalExprFlags & BfEvalExprFlags_AllowRefExpr) == 0)
- {
- mResult = BfTypedValue();
- mModule->Fail(StrFormat("Invalid usage of '%s' expression", BfGetOpName(unaryOp)), opToken);
- return;
- }
- ResolveGenericType();
- if (mResult.mType->IsVar())
- break;
- mResult = BfTypedValue(mResult.mValue, mModule->CreateRefType(mResult.mType, (unaryOp == BfUnaryOp_Ref) ? BfRefType::RefKind_Ref : BfRefType::RefKind_Mut));
- }
- break;
- case BfUnaryOp_Out:
- {
- if (!CheckModifyResult(mResult, unaryOpExpr, "use 'out' on"))
- {
- // Just leave the non-ref version in mResult
- return;
- }
- if ((mBfEvalExprFlags & BfEvalExprFlags_AllowOutExpr) == 0)
- {
- mModule->Fail("Invalid usage of 'out' expression", opToken);
- return;
- }
- if (mInsidePendingNullable)
- {
- // 'out' inside null conditionals never actually causes a definite assignment...
- }
- else
- MarkResultAssigned();
- MarkResultUsed();
- ResolveGenericType();
- if (mResult.mType->IsVar())
- break;
- mResult = BfTypedValue(mResult.mValue, mModule->CreateRefType(mResult.mType, BfRefType::RefKind_Out));
- }
- break;
- case BfUnaryOp_Params:
- {
- bool allowParams = (mBfEvalExprFlags & BfEvalExprFlags_AllowParamsExpr) != 0;
- if (allowParams)
- {
- if ((mResultLocalVar != NULL) && (mResultLocalVar->mCompositeCount >= 0)) // Delegate params
- {
- allowParams = true;
- }
- else
- {
- auto origValue = mResult;
- auto isValid = false;
- for (int pass = 0; pass < 2; pass++)
- {
- auto typeInst = mResult.mType->ToTypeInstance();
- auto genericTypeInst = mResult.mType->ToGenericTypeInstance();
- if ((genericTypeInst != NULL) && (genericTypeInst->IsInstanceOf(mModule->mCompiler->mSpanTypeDef)))
- isValid = true;
- else if ((mResult.mType->IsArray()) || (mResult.mType->IsSizedArray()))
- isValid = true;
- else if ((typeInst != NULL) && (pass == 0))
- {
- BfBaseClassWalker baseClassWalker(typeInst, NULL, mModule);
- BfType* bestCastType = NULL;
- while (true)
- {
- auto entry = baseClassWalker.Next();
- auto checkType = entry.mTypeInstance;
- if (checkType == NULL)
- break;
- for (auto operatorDef : checkType->mTypeDef->mOperators)
- {
- if (operatorDef->mOperatorDeclaration->mIsConvOperator)
- {
- if (operatorDef->IsExplicit())
- continue;
- auto methodInstance = mModule->GetRawMethodInstanceAtIdx(typeInst, operatorDef->mIdx);
- auto checkType = methodInstance->mReturnType;
- if (checkType->IsInstanceOf(mModule->mCompiler->mSpanTypeDef))
- bestCastType = checkType;
- else if ((checkType->IsArray()) || (checkType->IsSizedArray()))
- bestCastType = checkType;
- }
- }
- }
- if (bestCastType == NULL)
- break;
- auto castTypedValue = mModule->Cast(opToken, mResult, bestCastType, BfCastFlags_SilentFail);
- if (!castTypedValue)
- break;
- mResult = castTypedValue;
- }
- else
- break;
- }
- if (!isValid)
- {
- mModule->Fail(StrFormat("A 'params' expression cannot be used on type '%s'", mModule->TypeToString(origValue.mType).c_str()), opToken);
- }
- }
- }
- if (allowParams)
- {
- mResult = mModule->LoadValue(mResult);
- if ((mResult.mType != NULL) && (mResult.mType->IsParamsType()))
- mResult.mType = mResult.mType->GetUnderlyingType();
- if (mResult.IsSplat())
- mResult.mKind = BfTypedValueKind_ParamsSplat;
- else
- mResult.mKind = BfTypedValueKind_Params;
- }
- else
- {
- mModule->Fail("Illegal use of 'params' expression", opToken);
- }
- }
- break;
- case BfUnaryOp_Cascade:
- {
- mModule->Fail("Illegal use of argument cascade expression", opToken);
- }
- break;
- case BfUnaryOp_FromEnd:
- {
- CheckResultForReading(mResult);
- auto value = mModule->Cast(unaryOpExpr, mResult, mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- value = mModule->LoadValue(value);
- if (value)
- {
- auto indexType = mModule->ResolveTypeDef(mModule->mCompiler->mIndexTypeDef);
- auto alloca = mModule->CreateAlloca(indexType);
- mModule->mBfIRBuilder->CreateStore(value.mValue, mModule->mBfIRBuilder->CreateInBoundsGEP(mModule->mBfIRBuilder->CreateInBoundsGEP(alloca, 0, 1), 0, 1));
- mModule->mBfIRBuilder->CreateStore(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, 1), mModule->mBfIRBuilder->CreateInBoundsGEP(alloca, 0, 2));
- mResult = BfTypedValue(alloca, indexType, BfTypedValueKind_Addr);
- }
- }
- break;
- case BfUnaryOp_PartialRangeUpTo:
- PerformBinaryOperation(NULL, unaryOpExpr, BfBinaryOp_Range, opToken, BfBinOpFlag_None);
- break;
- case BfUnaryOp_PartialRangeThrough:
- PerformBinaryOperation(NULL, unaryOpExpr, BfBinaryOp_ClosedRange, opToken, BfBinOpFlag_None);
- break;
- case BfUnaryOp_PartialRangeFrom:
- PerformBinaryOperation(unaryOpExpr, NULL, BfBinaryOp_ClosedRange, opToken, BfBinOpFlag_None);
- break;
- default:
- mModule->Fail(StrFormat("Illegal use of '%s' unary operator", BfGetOpName(unaryOp)), unaryOpExpr);
- break;
- }
- if (numericFail)
- {
- if (opToken == NULL)
- {
- BF_ASSERT(mModule->mBfIRBuilder->mIgnoreWrites);
- }
- else if ((mResult.mType != NULL) && (mResult.mType->IsInterface()))
- {
- mModule->Fail(
- StrFormat("Operator '%s' cannot be used on interface '%s'. Consider rewriting using generics and use this interface as a generic constraint.",
- BfTokenToString(opToken->mToken), mModule->TypeToString(mResult.mType).c_str()), opToken);
- }
- else
- {
- mModule->Fail(
- StrFormat("Operator '%s' cannot be used because type '%s' is neither a numeric type nor does it define an applicable operator overload",
- BfTokenToString(opToken->mToken), mModule->TypeToString(mResult.mType).c_str()), opToken);
- }
- mResult = BfTypedValue();
- }
- if (writeToProp)
- {
- auto setMethod = GetPropertyMethodDef(propDef, BfMethodType_PropertySetter, mPropCheckedKind, mPropTarget);
- if (setMethod == NULL)
- {
- mModule->Fail("Property has no setter", propSrc);
- return;
- }
- auto methodInstance = GetPropertyMethodInstance(setMethod);
- if (!methodInstance.mFunc)
- return;
- if (propSrc != NULL)
- mModule->UpdateExprSrcPos(propSrc);
- SizedArray<BfIRValue, 4> args;
- if (!setMethod->mIsStatic)
- {
- auto usePropTarget = propTarget;
- if (origPropTarget.mType == methodInstance.mMethodInstance->GetOwner())
- usePropTarget = origPropTarget;
- else
- BF_ASSERT(propTarget.mType == methodInstance.mMethodInstance->GetOwner());
- PushThis(propSrc, usePropTarget, methodInstance.mMethodInstance, args);
- }
- for (int paramIdx = 0; paramIdx < (int)indexerVals.size(); paramIdx++)
- {
- auto val = mModule->Cast(propSrc, indexerVals[paramIdx].mTypedValue, methodInstance.mMethodInstance->GetParamType(paramIdx));
- if (!val)
- return;
- PushArg(val, args);
- }
- PushArg(writeToProp, args);
- CreateCall(opToken, methodInstance.mMethodInstance, methodInstance.mFunc, false, args);
- }
- }
- void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExpression* rightExpression, BfBinaryOp binaryOp, BfTokenNode* opToken, BfBinOpFlags flags, BfTypedValue leftValue)
- {
- BfTypedValue rightValue;
- if (rightExpression == NULL)
- {
- mModule->AssertErrorState();
- return;
- }
- if (!leftValue)
- {
- if (!rightValue)
- mModule->CreateValueFromExpression(rightExpression, mExpectingType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- return;
- }
- if (leftValue.mType->IsRef())
- leftValue.mType = leftValue.mType->GetUnderlyingType();
- if ((binaryOp == BfBinaryOp_ConditionalAnd) || (binaryOp == BfBinaryOp_ConditionalOr))
- {
- if (mModule->mCurMethodState->mDeferredLocalAssignData != NULL)
- mModule->mCurMethodState->mDeferredLocalAssignData->BreakExtendChain();
- if (mModule->mCurMethodState->mCurScope->mScopeKind == BfScopeKind_StatementTarget)
- mModule->mCurMethodState->mCurScope->mScopeKind = BfScopeKind_StatementTarget_Conditional;
- bool isAnd = binaryOp == BfBinaryOp_ConditionalAnd;
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- leftValue = mModule->Cast(leftExpression, leftValue, boolType);
- if (!leftValue)
- {
- mModule->CreateValueFromExpression(rightExpression);
- mResult = mModule->GetDefaultTypedValue(boolType, false, BfDefaultValueKind_Undef);
- return;
- }
- auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
- SetAndRestoreValue<bool> prevInCondBlock(mModule->mCurMethodState->mInConditionalBlock, true);
- // The RHS is not guaranteed to be executed
- if ((mModule->mCurMethodState->mDeferredLocalAssignData != NULL) &&
- (mModule->mCurMethodState->mDeferredLocalAssignData->mIsIfCondition))
- mModule->mCurMethodState->mDeferredLocalAssignData->mIfMayBeSkipped = true;
- if (isAnd)
- {
- bool isConstBranch = false;
- bool constResult = false;
- if (leftValue.mValue.IsConst())
- {
- auto constValue = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
- if (constValue->mTypeCode == BfTypeCode_Boolean)
- {
- isConstBranch = true;
- constResult = constValue->mBool;
- }
- }
- if (isConstBranch)
- {
- if ((constResult) || (HasVariableDeclaration(rightExpression)))
- {
- // Only right side
- rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- mResult = rightValue;
- }
- else
- {
- // Always false
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- SetAndRestoreValue<bool> prevInConstIgnore(mModule->mCurMethodState->mCurScope->mInConstIgnore, true);
- rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0), boolType);
- }
- }
- else
- {
- auto rhsBB = mModule->mBfIRBuilder->CreateBlock("land.rhs");
- auto endBB = mModule->mBfIRBuilder->CreateBlock("land.end");
- mModule->mBfIRBuilder->CreateCondBr(leftValue.mValue, rhsBB, endBB);
- mModule->AddBasicBlock(rhsBB);
- rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_CreateConditionalScope));
- mModule->mBfIRBuilder->CreateBr(endBB);
- auto endRhsBB = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->AddBasicBlock(endBB);
- auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(boolType), 2);
- mModule->mBfIRBuilder->AddPhiIncoming(phi, mModule->GetConstValue(0, boolType), prevBB);
- if (rightValue)
- mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
- mResult = BfTypedValue(phi, boolType);
- }
- }
- else
- {
- // Put variables in here into a 'possibly assigned' but never commit it.
- // Because if we had "if ((Get(out a)) || (GetOther(out a))" then the LHS would already set it as defined, so
- // the RHS is inconsequential
- BfDeferredLocalAssignData deferredLocalAssignData;
- deferredLocalAssignData.ExtendFrom(mModule->mCurMethodState->mDeferredLocalAssignData, false);
- deferredLocalAssignData.mVarIdBarrier = mModule->mCurMethodState->GetRootMethodState()->mCurLocalVarId;
- SetAndRestoreValue<BfDeferredLocalAssignData*> prevDLA(mModule->mCurMethodState->mDeferredLocalAssignData, &deferredLocalAssignData);
- bool isConstBranch = false;
- bool constResult = false;
- if (leftValue.mValue.IsConst())
- {
- auto constValue = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
- if (constValue->mTypeCode == BfTypeCode_Boolean)
- {
- isConstBranch = true;
- constResult = constValue->mBool;
- }
- }
- if (isConstBranch)
- {
- if ((constResult) && (!HasVariableDeclaration(rightExpression)))
- {
- // Always true
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- SetAndRestoreValue<bool> prevInConstIgnore(mModule->mCurMethodState->mCurScope->mInConstIgnore, true);
- rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 1), boolType);
- }
- else
- {
- // Only right side
- rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- mResult = rightValue;
- }
- }
- else
- {
- auto rhsBB = mModule->mBfIRBuilder->CreateBlock("lor.rhs");
- auto endBB = mModule->mBfIRBuilder->CreateBlock("lor.end");
- // This makes any 'scope' allocs be dyn since we aren't sure if this will be short-circuited
- SetAndRestoreValue<bool> prevIsConditional(mModule->mCurMethodState->mCurScope->mIsConditional, true);
- mModule->mBfIRBuilder->CreateCondBr(leftValue.mValue, endBB, rhsBB);
- mModule->AddBasicBlock(rhsBB);
- rightValue = mModule->CreateValueFromExpression(rightExpression, boolType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- mModule->mBfIRBuilder->CreateBr(endBB);
- auto endRhsBB = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->AddBasicBlock(endBB);
- auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(boolType), 2);
- mModule->mBfIRBuilder->AddPhiIncoming(phi, mModule->GetConstValue(1, boolType), prevBB);
- if (rightValue)
- mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
- mResult = BfTypedValue(phi, boolType);
- }
- }
- return;
- }
- BfType* wantType = leftValue.mType;
- BfType* origWantType = wantType;
- if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
- wantType = NULL; // Don't presume
- wantType = mModule->FixIntUnknown(wantType);
- if ((binaryOp == BfBinaryOp_NullCoalesce) && (PerformBinaryOperation_NullCoalesce(opToken, leftExpression, rightExpression, leftValue, wantType, NULL)))
- return;
- BfType* rightWantType = wantType;
- if (origWantType->IsIntUnknown())
- rightWantType = NULL;
- else if ((mExpectingType != NULL) && (wantType != NULL) && (mExpectingType->IsIntegral()) && (wantType->IsIntegral()) && (mExpectingType->mSize > wantType->mSize) &&
- ((binaryOp == BfBinaryOp_Add) || (binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_Multiply)))
- rightWantType = mExpectingType;
- rightValue = mModule->CreateValueFromExpression(rightExpression, rightWantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowIntUnknown));
- if ((rightWantType != wantType) && (rightValue.mType == rightWantType))
- wantType = rightWantType;
- if ((!leftValue) || (!rightValue))
- return;
- PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue);
- }
- bool BfExprEvaluator::PerformBinaryOperation_NullCoalesce(BfTokenNode* opToken, BfExpression* leftExpression, BfExpression* rightExpression, BfTypedValue leftValue, BfType* wantType, BfTypedValue* assignTo)
- {
- if ((leftValue) && ((leftValue.mType->IsPointer()) || (leftValue.mType->IsFunction()) || (leftValue.mType->IsObject())) || (leftValue.mType->IsNullable()))
- {
- leftValue = mModule->LoadOrAggregateValue(leftValue);
- mModule->mBfIRBuilder->PopulateType(leftValue.mType);
- BfType* nullableElementType = NULL;
- BfIRValue nullableHasValue;
- BfTypedValue nullableExtractedLeftValue;
- if (leftValue.mType->IsNullable())
- {
- nullableElementType = leftValue.mType->GetUnderlyingType();
- nullableHasValue = mModule->mBfIRBuilder->CreateExtractValue(leftValue.mValue, nullableElementType->IsValuelessType() ? 1 : 2); // has_value
- if (!nullableElementType->IsValuelessType())
- nullableExtractedLeftValue = BfTypedValue(mModule->mBfIRBuilder->CreateExtractValue(leftValue.mValue, 1), nullableElementType); // value
- else
- nullableExtractedLeftValue = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), nullableElementType);
- }
- if (leftValue.mValue.IsConst())
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
- if (constant->IsNull())
- {
- mResult = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)(mBfEvalExprFlags & BfEvalExprFlags_InheritFlags));
- return true;
- }
- // Already have a value, we don't need the right side
- SetAndRestoreValue<bool> prevIgnoreWrites(mModule->mBfIRBuilder->mIgnoreWrites, true);
- SetAndRestoreValue<bool> prevInConstIgnore(mModule->mCurMethodState->mCurScope->mInConstIgnore, true);
- mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_CreateConditionalScope));
- mResult = leftValue;
- return true;
- }
- auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
- auto rhsBB = mModule->mBfIRBuilder->CreateBlock("nullc.rhs");
- auto endBB = mModule->mBfIRBuilder->CreateBlock("nullc.end");
- auto lhsBB = endBB;
- auto endLhsBB = prevBB;
- BfIRValue isNull;
- if (nullableHasValue)
- isNull = mModule->mBfIRBuilder->CreateCmpEQ(nullableHasValue, mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0));
- else if (leftValue.mType->IsFunction())
- isNull = mModule->mBfIRBuilder->CreateIsNull(
- mModule->mBfIRBuilder->CreateIntToPtr(leftValue.mValue, mModule->mBfIRBuilder->MapType(mModule->GetPrimitiveType(BfTypeCode_NullPtr))));
- else
- isNull = mModule->mBfIRBuilder->CreateIsNull(leftValue.mValue);
- mModule->AddBasicBlock(rhsBB);
- BfTypedValue rightValue;
- if (assignTo != NULL)
- rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_CreateConditionalScope));
- else
- rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_CreateConditionalScope));
- if (!rightValue)
- {
- mModule->AssertErrorState();
- return true;
- }
- if ((assignTo == NULL) && (leftValue.mType->IsNullable()) && (!rightValue.mType->IsNullable()))
- {
- if (wantType == leftValue.mType)
- wantType = nullableElementType;
- leftValue = nullableExtractedLeftValue;
- }
- rightValue = mModule->LoadValue(rightValue);
- if (assignTo == NULL)
- {
- auto rightToLeftValue = mModule->CastToValue(rightExpression, rightValue, leftValue.mType, BfCastFlags_SilentFail);
- if (rightToLeftValue)
- {
- rightValue = BfTypedValue(rightToLeftValue, leftValue.mType);
- }
- else
- {
- lhsBB = mModule->mBfIRBuilder->CreateBlock("nullc.lhs", true);
- mModule->mBfIRBuilder->SetInsertPoint(lhsBB);
- auto leftToRightValue = mModule->CastToValue(leftExpression, leftValue, rightValue.mType, BfCastFlags_SilentFail);
- if (leftToRightValue)
- {
- leftValue = BfTypedValue(leftToRightValue, rightValue.mType);
- }
- else
- {
- // Note: Annoying trigraph split for '??'
- mModule->Fail(StrFormat("Operator '?" "?' cannot be applied to operands of type '%s' and '%s'",
- mModule->TypeToString(leftValue.mType).c_str(), mModule->TypeToString(rightValue.mType).c_str()), opToken);
- leftValue = mModule->GetDefaultTypedValue(rightValue.mType);
- }
- mModule->mBfIRBuilder->CreateBr(endBB);
- endLhsBB = mModule->mBfIRBuilder->GetInsertBlock();
- mModule->mBfIRBuilder->SetInsertPoint(rhsBB);
- }
- }
- if (assignTo != NULL)
- mModule->mBfIRBuilder->CreateStore(rightValue.mValue, assignTo->mValue);
- mModule->mBfIRBuilder->CreateBr(endBB);
- auto endRhsBB = mModule->mBfIRBuilder->GetInsertBlock();
- // Actually add CondBr at start
- mModule->mBfIRBuilder->SetInsertPoint(prevBB);
- mModule->mBfIRBuilder->CreateCondBr(isNull, rhsBB, lhsBB);
- mModule->AddBasicBlock(endBB);
- if (assignTo != NULL)
- {
- mResult = *assignTo;
- }
- else
- {
- auto phi = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(leftValue.mType), 2);
- if (!leftValue.mType->IsValuelessType())
- mModule->mBfIRBuilder->AddPhiIncoming(phi, leftValue.mValue, endLhsBB);
- if (!rightValue.mType->IsValuelessType())
- mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
- mResult = BfTypedValue(phi, leftValue.mType);
- }
- return true;
- }
- return false;
- }
- bool BfExprEvaluator::PerformBinaryOperation_Numeric(BfAstNode* leftExpression, BfAstNode* rightExpression, BfBinaryOp binaryOp, BfAstNode* opToken, BfBinOpFlags flags, BfTypedValue leftValue, BfTypedValue rightValue)
- {
- switch (binaryOp)
- {
- case BfBinaryOp_Add:
- case BfBinaryOp_Subtract:
- case BfBinaryOp_Multiply:
- case BfBinaryOp_Divide:
- case BfBinaryOp_Modulus:
- break;
- default:
- return false;
- }
- auto wantType = mExpectingType;
- if ((wantType == NULL) ||
- ((!wantType->IsFloat()) && (!wantType->IsIntegral())))
- wantType = NULL;
- auto leftType = mModule->GetClosestNumericCastType(leftValue, mExpectingType);
- auto rightType = mModule->GetClosestNumericCastType(rightValue, mExpectingType);
- if (leftType != NULL)
- {
- if ((rightType == NULL) || (mModule->CanCast(mModule->GetFakeTypedValue(rightType), leftType)))
- wantType = leftType;
- else if ((rightType != NULL) && (mModule->CanCast(mModule->GetFakeTypedValue(leftType), rightType)))
- wantType = rightType;
- }
- else if (rightType != NULL)
- wantType = rightType;
- if (wantType == NULL)
- wantType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- auto convLeftValue = mModule->Cast(opToken, leftValue, wantType, BfCastFlags_SilentFail);
- if (!convLeftValue)
- return false;
- auto convRightValue = mModule->Cast(opToken, rightValue, wantType, BfCastFlags_SilentFail);
- if (!convRightValue)
- return false;
- mResult = BfTypedValue();
- // Let the error come from here, if any - so we always return 'true' to avoid a second error
- PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, convLeftValue, convRightValue);
- return true;
- }
- void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExpression* rightExpression, BfBinaryOp binaryOp, BfTokenNode* opToken, BfBinOpFlags flags)
- {
- if ((binaryOp == BfBinaryOp_Range) || (binaryOp == BfBinaryOp_ClosedRange))
- {
- auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- bool isIndexExpr = false;
- BfTypeDef* typeDef = NULL;
- if (auto unaryOpExpr = BfNodeDynCast<BfUnaryOperatorExpression>(leftExpression))
- if (unaryOpExpr->mOp == BfUnaryOp_FromEnd)
- isIndexExpr = true;
- if (rightExpression == NULL)
- isIndexExpr = true;
- if (auto unaryOpExpr = BfNodeDynCast<BfUnaryOperatorExpression>(rightExpression))
- if (unaryOpExpr->mOp == BfUnaryOp_FromEnd)
- isIndexExpr = true;
- if (isIndexExpr)
- typeDef = mModule->mCompiler->mIndexRangeTypeDef;
- else
- typeDef = (binaryOp == BfBinaryOp_Range) ? mModule->mCompiler->mRangeTypeDef : mModule->mCompiler->mClosedRangeTypeDef;
- auto allocType = mModule->ResolveTypeDef(typeDef)->ToTypeInstance();
- auto alloca = mModule->CreateAlloca(allocType);
- BfTypedValueExpression leftTypedValueExpr;
- BfTypedValueExpression rightTypedValueExpr;
- BfTypedValueExpression isClosedTypedValueExpr;
- SizedArray<BfExpression*, 2> argExprs;
- if (leftExpression != NULL)
- {
- argExprs.Add(leftExpression);
- }
- else
- {
- leftTypedValueExpr.mRefNode = opToken;
- leftTypedValueExpr.mTypedValue = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0), mModule->GetPrimitiveType(BfTypeCode_IntPtr));
- argExprs.Add(&leftTypedValueExpr);
- }
- if (rightExpression != NULL)
- {
- argExprs.Add(rightExpression);
- }
- else
- {
- // Add as a `^1`
- auto indexType = mModule->ResolveTypeDef(mModule->mCompiler->mIndexTypeDef)->ToTypeInstance();
- mModule->PopulateType(indexType->mBaseType);
- BF_ASSERT_REL(indexType->mBaseType->mBaseType != NULL);
- rightTypedValueExpr.mRefNode = opToken;
- auto valueTypeEmpty = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(indexType->mBaseType->mBaseType), {});
- SizedArray<BfIRValue, 8> tupleEmptyMembers;
- tupleEmptyMembers.Add(valueTypeEmpty);
- auto tupleTypeEmpty = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(mModule->ResolveTypeDef(mModule->mCompiler->mTupleTypeDef)), tupleEmptyMembers);
- SizedArray<BfIRValue, 8> enumMembers;
- enumMembers.Add(valueTypeEmpty);
- auto enumValue = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(indexType->mBaseType), enumMembers);
- SizedArray<BfIRValue, 8> tupleMembers;
- tupleMembers.Add(tupleTypeEmpty);
- tupleMembers.Add(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 1));
- auto tupleValue = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(indexType->mFieldInstances[0].mResolvedType), tupleMembers);
- SizedArray<BfIRValue, 8> indexMembers;
- indexMembers.Add(enumValue);
- indexMembers.Add(tupleValue);
- indexMembers.Add(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Int8, 1));
- auto indexValue = mModule->mBfIRBuilder->CreateConstAgg(mModule->mBfIRBuilder->MapType(indexType), indexMembers);
- rightTypedValueExpr.mTypedValue = BfTypedValue(indexValue, indexType);
- argExprs.Add(&rightTypedValueExpr);
- }
- if (isIndexExpr)
- {
- isClosedTypedValueExpr.mRefNode = opToken;
- isClosedTypedValueExpr.mTypedValue = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, (binaryOp == BfBinaryOp_ClosedRange) ? 1 : 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- argExprs.Add(&isClosedTypedValueExpr);
- }
- BfSizedArray<BfExpression*> args = argExprs;
- BfResolvedArgs argValues;
- argValues.Init(&args);
- ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval);
- mResult = BfTypedValue(alloca, allocType, true);
- auto result = MatchConstructor(opToken, NULL, mResult, allocType, argValues, true, BfMethodGenericArguments(), BfAllowAppendKind_No);
- if ((result) && (!result.mType->IsVoid()))
- mResult = result;
- return;
- }
- BfTypedValue leftValue;
- if (leftExpression != NULL)
- {
- leftValue = mModule->CreateValueFromExpression(leftExpression, mExpectingType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast | BfEvalExprFlags_AllowIntUnknown));
- }
- PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue);
- }
- bool BfExprEvaluator::CheckConstCompare(BfBinaryOp binaryOp, BfAstNode* opToken, const BfTypedValue& leftValue, const BfTypedValue& rightValue)
- {
- if ((binaryOp < BfBinaryOp_Equality) || (binaryOp > BfBinaryOp_LessThanOrEqual))
- return false;
- // LHS is expected to be a value and RHS is expected to be a const
- if (!leftValue.mType->IsIntegral())
- return false;
- BF_ASSERT(rightValue.mValue.IsConst());
- auto rightConst = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
- if (!mModule->mBfIRBuilder->IsInt(rightConst->mTypeCode))
- return false;
- BfType* checkType = leftValue.mType;
- if (checkType->IsTypedPrimitive())
- checkType = checkType->GetUnderlyingType();
- if (!checkType->IsPrimitiveType())
- return false;
- BfTypeCode typeCode = ((BfPrimitiveType*)checkType)->mTypeDef->mTypeCode;
- int64 minValue = 0;
- int64 maxValue = 0;
- switch (typeCode)
- {
- case BfTypeCode_Int8:
- minValue = -0x80;
- maxValue = 0x7F;
- break;
- case BfTypeCode_Int16:
- minValue = -0x8000;
- maxValue = 0x7FFF;
- break;
- case BfTypeCode_Int32:
- minValue = -0x80000000LL;
- maxValue = 0x7FFFFFFF;
- break;
- case BfTypeCode_Int64:
- minValue = -0x8000000000000000LL;
- maxValue = 0x7FFFFFFFFFFFFFFFLL;
- break;
- case BfTypeCode_UInt8:
- maxValue = 0xFF;
- break;
- case BfTypeCode_UInt16:
- maxValue = 0xFFFF;
- break;
- case BfTypeCode_UInt32:
- maxValue = 0xFFFFFFFF;
- break;
- default:
- return false;
- }
- int constResult = -1;
- if (typeCode == BfTypeCode_UInt64)
- {
- switch (binaryOp)
- {
- case BfBinaryOp_Equality:
- case BfBinaryOp_StrictEquality:
- if (rightConst->mInt64 < minValue)
- constResult = 0;
- break;
- case BfBinaryOp_InEquality:
- case BfBinaryOp_StrictInEquality:
- if (rightConst->mInt64 < minValue)
- constResult = 1;
- break;
- case BfBinaryOp_LessThan:
- if (rightConst->mInt64 <= minValue)
- constResult = 0;
- break;
- case BfBinaryOp_LessThanOrEqual:
- if (rightConst->mInt64 < minValue)
- constResult = 0;
- break;
- default: break;
- }
- return false;
- }
- else
- {
- switch (binaryOp)
- {
- case BfBinaryOp_Equality:
- case BfBinaryOp_StrictEquality:
- if (rightConst->mInt64 < minValue)
- constResult = 0;
- else if (rightConst->mInt64 > maxValue)
- constResult = 0;
- break;
- case BfBinaryOp_InEquality:
- case BfBinaryOp_StrictInEquality:
- if (rightConst->mInt64 < minValue)
- constResult = 1;
- else if (rightConst->mInt64 > maxValue)
- constResult = 1;
- break;
- case BfBinaryOp_LessThan:
- if (rightConst->mInt64 <= minValue)
- constResult = 0;
- else if (rightConst->mInt64 > maxValue)
- constResult = 1;
- break;
- case BfBinaryOp_LessThanOrEqual:
- if (rightConst->mInt64 < minValue)
- constResult = 0;
- else if (rightConst->mInt64 >= maxValue)
- constResult = 1;
- break;
- case BfBinaryOp_GreaterThan:
- if (rightConst->mInt64 >= maxValue)
- constResult = 0;
- else if (rightConst->mInt64 < minValue)
- constResult = 1;
- break;
- case BfBinaryOp_GreaterThanOrEqual:
- if (rightConst->mInt64 > maxValue)
- constResult = 0;
- else if (rightConst->mInt64 <= minValue)
- constResult = 1;
- break;
- default: break;
- }
- }
- if (constResult == 0)
- {
- mModule->Warn(0, "The result of this operation is always 'false'", opToken);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- return true;
- }
- else if (constResult == 1)
- {
- mModule->Warn(0, "The result of this operation is always 'true'", opToken);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 1), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- return true;
- }
- return false;
- }
- void BfExprEvaluator::AddStrings(const BfTypedValue& leftValue, const BfTypedValue& rightValue, BfAstNode* refNode)
- {
- if ((leftValue.mValue.IsConst()) && (rightValue.mValue.IsConst()))
- {
- String* lhsStr = mModule->GetStringPoolString(leftValue.mValue, mModule->mBfIRBuilder);
- String* rhsStr = mModule->GetStringPoolString(rightValue.mValue, mModule->mBfIRBuilder);
- if ((lhsStr != NULL) && (rhsStr != NULL))
- {
- String resultStr = *lhsStr + *rhsStr;
- BfVariant variant;
- variant.mTypeCode = BfTypeCode_CharPtr;
- variant.mString = &resultStr;
- GetLiteral(refNode, variant);
- return;
- }
- }
- mModule->Fail("Strings can only be added when they are constants. Consider allocating a string and using Concat.", refNode);
- return;
- }
- void BfExprEvaluator::PerformBinaryOperation(BfAstNode* leftExpression, BfAstNode* rightExpression, BfBinaryOp binaryOp, BfAstNode* opToken, BfBinOpFlags flags, BfTypedValue leftValue, BfTypedValue rightValue)
- {
- bool noClassify = (flags & BfBinOpFlag_NoClassify) != 0;
- bool forceRightType = (flags & BfBinOpFlag_ForceRightType) != 0;
- bool forceLeftType = (flags & BfBinOpFlag_ForceLeftType) != 0;
- bool deferRight = (flags & BfBinOpFlag_DeferRight) != 0;
- if (deferRight)
- {
- rightValue = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- }
- if ((rightValue.mValue.IsConst()) && (!leftValue.mValue.IsConst()))
- {
- if (CheckConstCompare(binaryOp, opToken, leftValue, rightValue))
- return;
- }
- else if ((leftValue.mValue.IsConst()) && (!rightValue.mValue.IsConst()))
- {
- if (CheckConstCompare(BfGetOppositeBinaryOp(binaryOp), opToken, rightValue, leftValue))
- return;
- }
- if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
- {
- forceLeftType = true;
- mModule->FixIntUnknown(leftValue);
- }
- if (rightValue.mType->IsRef())
- rightValue.mType = rightValue.mType->GetUnderlyingType();
- BfType* origLeftType = leftValue.mType;
- BfType* origRightType = rightValue.mType;
- mModule->FixIntUnknown(leftValue, rightValue);
- // Prefer floats, prefer chars
- int leftCompareSize = leftValue.mType->mSize;
- if (leftValue.mType->IsFloat())
- leftCompareSize += 0x10;
- if (leftValue.mType->IsChar())
- leftCompareSize += 0x100;
- if (!leftValue.mType->IsPrimitiveType())
- leftCompareSize += 0x1000;
- int rightCompareSize = rightValue.mType->mSize;
- if (rightValue.mType->IsFloat())
- rightCompareSize += 0x10;
- if (rightValue.mType->IsChar())
- rightCompareSize += 0x100;
- if (!rightValue.mType->IsPrimitiveType())
- rightCompareSize += 0x1000;
- if ((leftValue.mType->IsTypeInstance()) && (rightValue.mType->IsTypeInstance()))
- {
- int leftInheritDepth = leftValue.mType->ToTypeInstance()->mInheritDepth;
- int rightInheritDepth = rightValue.mType->ToTypeInstance()->mInheritDepth;
- if (leftInheritDepth < rightInheritDepth)
- {
- // If both are type instances then choose the type with the lowest inherit depth
- // so we will choose the base type when applicable
- forceLeftType = true;
- }
- }
- auto resultType = leftValue.mType;
- if (forceRightType)
- {
- resultType = rightValue.mType;
- }
- else if (!forceLeftType)
- {
- bool handled = false;
- BfType* expectingType = mExpectingType;
- if (leftValue.mType == rightValue.mType)
- {
- // All good
- handled = true;
- }
- else if ((expectingType != NULL) &&
- (mModule->CanCast(leftValue, expectingType, BfCastFlags_NoBox)) &&
- (mModule->CanCast(rightValue, expectingType, BfCastFlags_NoBox)) &&
- (!leftValue.mType->IsVar()) && (!rightValue.mType->IsVar()))
- {
- resultType = expectingType;
- handled = true;
- }
- else
- {
- // If one of these is a constant that can be converted into a smaller type, then do that
- if (rightValue.mValue.IsConst())
- {
- if (mModule->CanCast(rightValue, leftValue.mType, BfCastFlags_NoBox))
- {
- resultType = leftValue.mType;
- handled = true;
- }
- }
- // If left is an IntUnknown, allow the right to inform the type
- if (leftValue.mType->IsIntUnknown())
- {
- if (leftValue.mValue.IsConst())
- {
- if (mModule->CanCast(leftValue, rightValue.mType))
- {
- resultType = rightValue.mType;
- handled = true;
- }
- }
- }
- if ((leftValue.mType->IsPointer()) &&
- (rightValue.mType->IsPointer()))
- {
- BfPointerType* leftPointerType = (BfPointerType*)leftValue.mType;
- BfPointerType* rightPointerType = (BfPointerType*)rightValue.mType;
- // If one is a pointer to a sized array then use the other type
- if (leftPointerType->mElementType->IsSizedArray())
- {
- resultType = rightPointerType;
- handled = true;
- }
- else if (rightPointerType->mElementType->IsSizedArray())
- {
- resultType = leftPointerType;
- handled = true;
- }
- }
- }
- if (!handled)
- {
- if ((resultType->IsNull()) ||
- (rightCompareSize > leftCompareSize) ||
- (((rightCompareSize == leftCompareSize) && (!rightValue.mType->IsSigned()))) ||
- (rightValue.mType->IsTypedPrimitive()))
- {
- // Select the type with the "most information"
- if (!rightValue.mType->IsNull())
- resultType = rightValue.mType;
- }
- if ((!resultType->IsPointer()) && (rightValue.mType->IsPointer()))
- resultType = rightValue.mType;
- }
- }
- bool explicitCast = false;
- BfTypedValue* resultTypedValue;
- BfTypedValue* otherTypedValue;
- BfType* otherType;
- BfAstNode* resultTypeSrc;
- BfAstNode* otherTypeSrc;
- if (resultType == leftValue.mType)
- {
- resultTypedValue = &leftValue;
- resultTypeSrc = leftExpression;
- otherTypedValue = &rightValue;
- otherTypeSrc = rightExpression;
- otherType = otherTypedValue->mType;
- }
- else
- {
- resultTypedValue = &rightValue;
- resultTypeSrc = rightExpression;
- otherTypedValue = &leftValue;
- otherTypeSrc = leftExpression;
- otherType = otherTypedValue->mType;
- }
- auto _OpFail = [&]()
- {
- if ((rightValue.mType != NULL) && (leftValue.mType != NULL))
- {
- if (rightValue.mType != leftValue.mType)
- mModule->Fail(StrFormat("Cannot perform binary operation '%s' between types '%s' and '%s'",
- BfGetOpName(binaryOp), mModule->TypeToString(leftValue.mType).c_str(), mModule->TypeToString(rightValue.mType).c_str()), opToken);
- else
- {
- if (leftValue.mType->IsInterface())
- {
- mModule->Fail(StrFormat("Cannot perform binary operation '%s' between two instances of interface '%s'. Consider rewriting using generics and use this interface as a generic constraint.",
- BfGetOpName(binaryOp), mModule->TypeToString(leftValue.mType).c_str()), opToken);
- }
- else
- {
- mModule->Fail(StrFormat("Cannot perform binary operation '%s' between two instances of type '%s'",
- BfGetOpName(binaryOp), mModule->TypeToString(leftValue.mType).c_str()), opToken);
- }
- }
- }
- else
- mModule->Fail(StrFormat("Cannot perform binary operation '%s'", BfGetOpName(binaryOp)), opToken);
- };
- // This case fixes cases like "c == 0" where "0" is technically an int but can be reduced
- if (BfBinOpEqualityCheck(binaryOp))
- {
- if ((resultType != otherType) && (resultTypedValue->mValue.IsConst()) && (mModule->CanCast(*resultTypedValue, otherType)))
- {
- std::swap(resultTypedValue, otherTypedValue);
- std::swap(resultTypeSrc, otherTypeSrc);
- std::swap(resultType, otherType);
- }
- }
- BfIRValue convLeftValue;
- BfIRValue convRightValue;
- if (((resultType->IsVar()) || (otherType->IsVar())) && (!deferRight))
- {
- bool isComparison = (binaryOp >= BfBinaryOp_Equality) && (binaryOp <= BfBinaryOp_LessThanOrEqual);
- if (isComparison)
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Boolean), false, BfDefaultValueKind_Addr);
- else if (mExpectingType != NULL)
- mResult = mModule->GetDefaultTypedValue(mExpectingType, false, BfDefaultValueKind_Addr);
- else
- mResult = mModule->GetDefaultTypedValue(resultType, false, BfDefaultValueKind_Addr);
- return;
- }
- if ((otherType->IsNull()) && (BfBinOpEqualityCheck(binaryOp)))
- {
- bool isEquality = (binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality);
- if ((resultType->IsValueType()) && (!resultType->IsFunction()))
- {
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- if (resultType->IsNullable())
- {
- auto elementType = resultType->GetUnderlyingType();
- mModule->PopulateType(elementType);
- if (elementType->IsValuelessType())
- {
- mModule->mBfIRBuilder->PopulateType(resultType);
- BfTypedValue nullableTypedVale = mModule->MakeAddressable(*resultTypedValue);
- BfIRValue hasValuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(nullableTypedVale.mValue, 0, 1);
- BfIRValue hasValueValue = mModule->mBfIRBuilder->CreateAlignedLoad(hasValuePtr, 1);
- if (isEquality)
- hasValueValue = mModule->mBfIRBuilder->CreateNot(hasValueValue);
- mResult = BfTypedValue(hasValueValue, boolType);
- }
- else
- {
- mModule->mBfIRBuilder->PopulateType(resultType);
- BfTypedValue nullableTypedVale = mModule->MakeAddressable(*resultTypedValue);
- BfIRValue hasValuePtr = mModule->mBfIRBuilder->CreateInBoundsGEP(nullableTypedVale.mValue, 0, 2);
- BfIRValue hasValueValue = mModule->mBfIRBuilder->CreateAlignedLoad(hasValuePtr, 1);
- if (isEquality)
- hasValueValue = mModule->mBfIRBuilder->CreateNot(hasValueValue);
- mResult = BfTypedValue(hasValueValue, boolType);
- }
- return;
- }
- if (resultType->IsNull())
- {
- // Null always equals null
- mResult = BfTypedValue(mModule->GetConstValue(isEquality ? 1 : 0, boolType), boolType);
- return;
- }
- if (!mModule->IsInSpecializedSection())
- {
- //CS0472: The result of the expression is always 'true' since a value of type 'int' is never equal to 'null' of type '<null>'
- mModule->Warn(BfWarning_CS0472_ValueTypeNullCompare,
- StrFormat("The result of the expression is always '%s' since a value of type '%s' can never be null",
- isEquality ? "false" : "true", mModule->TypeToString(resultType).c_str()), otherTypeSrc);
- }
- // Valuetypes never equal null
- mResult = BfTypedValue(mModule->GetConstValue(isEquality ? 0 : 1, boolType), boolType);
- return;
- }
- }
- // Check for constant equality checks (mostly for strings)
- if (BfBinOpEqualityCheck(binaryOp))
- {
- auto leftConstant = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
- auto rightConstant = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
- if ((leftConstant != NULL) && (rightConstant != NULL))
- {
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- int leftStringPoolIdx = mModule->GetStringPoolIdx(leftValue.mValue, mModule->mBfIRBuilder);
- if (leftStringPoolIdx != -1)
- {
- int rightStringPoolIdx = mModule->GetStringPoolIdx(rightValue.mValue, mModule->mBfIRBuilder);
- if (rightStringPoolIdx != -1)
- {
- bool isEqual = leftStringPoolIdx == rightStringPoolIdx;
- if ((binaryOp == BfBinaryOp_InEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
- isEqual = !isEqual;
- mResult = BfTypedValue(mModule->GetConstValue(isEqual ? 1 : 0, boolType), boolType);
- return;
- }
- }
- int eqResult = mModule->mBfIRBuilder->CheckConstEquality(leftValue.mValue, rightValue.mValue);
- if (eqResult != -1)
- {
- bool isEqual = eqResult == 1;
- if ((binaryOp == BfBinaryOp_InEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
- isEqual = !isEqual;
- mResult = BfTypedValue(mModule->GetConstValue(isEqual ? 1 : 0, boolType), boolType);
- return;
- }
- }
- }
- if ((leftValue.mType->IsTypeInstance()) || (leftValue.mType->IsGenericParam()) ||
- (rightValue.mType->IsTypeInstance()) || (rightValue.mType->IsGenericParam()))
- {
- // As an optimization, we don't call user operator overloads for null checks
- bool skipOpOverload = false;
- if ((binaryOp == BfBinaryOp_StrictEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
- skipOpOverload = true;
- else if (BfBinOpEqualityCheck(binaryOp))
- {
- if (!leftValue.IsAddr())
- {
- auto leftConstant = mModule->mBfIRBuilder->GetConstant(leftValue.mValue);
- if ((leftConstant != NULL) && (leftConstant->IsNull()))
- skipOpOverload = true;
- }
- if (!rightValue.IsAddr())
- {
- auto rightConstant = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
- if ((rightConstant != NULL) && (rightConstant->IsNull()))
- skipOpOverload = true;
- }
- }
- if ((binaryOp == BfBinaryOp_Add) && (resultType->IsInstanceOf(mModule->mCompiler->mStringTypeDef)))
- {
- // Allow failover to constant string addition
- if ((leftValue.mValue.IsConst()) && (rightValue.mValue.IsConst()))
- skipOpOverload = true;
- }
- if (!skipOpOverload)
- {
- BfBinaryOp findBinaryOp = binaryOp;
- bool isComparison = (binaryOp >= BfBinaryOp_Equality) && (binaryOp <= BfBinaryOp_LessThanOrEqual);
- for (int pass = 0; pass < 2; pass++)
- {
- BfBinaryOp oppositeBinaryOp = BfGetOppositeBinaryOp(findBinaryOp);
- BfBinaryOp overflowBinaryOp = BfBinaryOp_None;
- if (findBinaryOp == BfBinaryOp_OverflowAdd)
- overflowBinaryOp = BfBinaryOp_Add;
- else if (findBinaryOp == BfBinaryOp_OverflowSubtract)
- overflowBinaryOp = BfBinaryOp_Subtract;
- else if (findBinaryOp == BfBinaryOp_OverflowMultiply)
- overflowBinaryOp = BfBinaryOp_Multiply;
- bool foundOp = false;
- BfResolvedArg leftArg;
- leftArg.mExpression = leftExpression;
- leftArg.mTypedValue = leftValue;
- BfResolvedArg rightArg;
- rightArg.mExpression = rightExpression;
- rightArg.mTypedValue = rightValue;
- if (deferRight)
- {
- BfResolvedArgs argValues;
- SizedArray<BfExpression*, 2> argExprs;
- argExprs.push_back(BfNodeDynCast<BfExpression>(rightExpression));
- BfSizedArray<BfExpression*> sizedArgExprs(argExprs);
- argValues.Init(&sizedArgExprs);
- ResolveArgValues(argValues, BfResolveArgsFlag_DeferParamEval);
- rightArg = argValues.mResolvedArgs[0];
- }
- SizedArray<BfResolvedArg, 2> args;
- if (pass == 0)
- {
- args.push_back(leftArg);
- args.push_back(rightArg);
- }
- else
- {
- args.push_back(rightArg);
- args.push_back(leftArg);
- }
- auto checkLeftType = leftValue.mType;
- auto checkRightType = rightValue.mType;
- BfMethodMatcher methodMatcher(opToken, mModule, "", args, BfMethodGenericArguments());
- methodMatcher.mAllowImplicitRef = true;
- methodMatcher.mBfEvalExprFlags = BfEvalExprFlags_NoAutoComplete;
- BfBaseClassWalker baseClassWalker(checkLeftType, checkRightType, mModule);
- bool invertResult = false;
- BfType* operatorConstraintReturnType = NULL;
- bool wasTransformedUsage = (pass == 1);
- while (true)
- {
- auto entry = baseClassWalker.Next();
- auto checkType = entry.mTypeInstance;
- if (checkType == NULL)
- break;
- bool foundExactMatch = false;
- SizedArray<BfOperatorDef*, 8> oppositeOperatorDefs;
- for (auto operatorDef : checkType->mTypeDef->mOperators)
- {
- bool allowOp = operatorDef->mOperatorDeclaration->mBinOp == findBinaryOp;
- if ((isComparison) && (operatorDef->mOperatorDeclaration->mBinOp == BfBinaryOp_Compare))
- allowOp = true;
- if (allowOp)
- {
- foundOp = true;
- if (!methodMatcher.IsMemberAccessible(checkType, operatorDef->mDeclaringType))
- continue;
- if ((flags & BfBinOpFlag_IsConstraintCheck) != 0)
- {
- if (operatorDef->mGenericParams.IsEmpty())
- {
- // Fast check
- auto returnType = mModule->CheckOperator(checkType, operatorDef, args[0].mTypedValue, args[1].mTypedValue);
- if (returnType != NULL)
- {
- operatorConstraintReturnType = returnType;
- methodMatcher.mBestMethodDef = operatorDef;
- methodMatcher.mBestMethodTypeInstance = checkType;
- foundExactMatch = true;
- }
- }
- else
- {
- if (methodMatcher.CheckMethod(NULL, checkType, operatorDef, false))
- {
- auto rawMethodInstance = mModule->GetRawMethodInstance(checkType, operatorDef);
- auto returnType = mModule->ResolveGenericType(rawMethodInstance->mReturnType, NULL, &methodMatcher.mBestMethodGenericArguments,
- mModule->mCurTypeInstance);
- if (returnType != NULL)
- {
- operatorConstraintReturnType = returnType;
- foundExactMatch = true;
- }
- }
- }
- }
- else
- {
- if (methodMatcher.CheckMethod(NULL, checkType, operatorDef, false))
- {
- methodMatcher.mSelfType = entry.mSrcType;
- if (operatorDef->mOperatorDeclaration->mBinOp == findBinaryOp)
- foundExactMatch = true;
- }
- }
- }
- else if ((operatorDef->mOperatorDeclaration->mBinOp == oppositeBinaryOp) || (operatorDef->mOperatorDeclaration->mBinOp == overflowBinaryOp))
- oppositeOperatorDefs.Add(operatorDef);
- }
- if ((((methodMatcher.mBestMethodDef == NULL) && (operatorConstraintReturnType == NULL)) || (!foundExactMatch)) && (!oppositeOperatorDefs.IsEmpty()))
- {
- foundOp = true;
- for (auto oppositeOperatorDef : oppositeOperatorDefs)
- {
- if ((flags & BfBinOpFlag_IsConstraintCheck) != 0)
- {
- if (oppositeOperatorDef->mGenericParams.IsEmpty())
- {
- // Fast check
- auto returnType = mModule->CheckOperator(checkType, oppositeOperatorDef, args[0].mTypedValue, args[1].mTypedValue);
- if (returnType != NULL)
- {
- operatorConstraintReturnType = returnType;
- methodMatcher.mBestMethodDef = oppositeOperatorDef;
- methodMatcher.mBestMethodTypeInstance = checkType;
- methodMatcher.mSelfType = entry.mSrcType;
- if (oppositeBinaryOp != BfBinaryOp_None)
- wasTransformedUsage = true;
- }
- }
- else
- {
- if (methodMatcher.CheckMethod(NULL, checkType, oppositeOperatorDef, false))
- {
- auto rawMethodInstance = mModule->GetRawMethodInstance(checkType, oppositeOperatorDef);
- auto returnType = mModule->ResolveGenericType(rawMethodInstance->mReturnType, NULL, &methodMatcher.mBestMethodGenericArguments,
- mModule->mCurTypeInstance);
- if (returnType != NULL)
- {
- operatorConstraintReturnType = returnType;
- methodMatcher.mSelfType = entry.mSrcType;
- if (oppositeBinaryOp != BfBinaryOp_None)
- wasTransformedUsage = true;
- }
- }
- }
- }
- else
- {
- if (methodMatcher.CheckMethod(NULL, checkType, oppositeOperatorDef, false))
- {
- methodMatcher.mSelfType = entry.mSrcType;
- if (oppositeBinaryOp != BfBinaryOp_None)
- wasTransformedUsage = true;
- }
- }
- }
- }
- }
- bool hadMatch = (methodMatcher.mBestMethodDef != NULL);
- if ((methodMatcher.mBestMethodDef != NULL) && ((flags & BfBinOpFlag_IgnoreOperatorWithWrongResult) != 0))
- {
- auto matchedOp = ((BfOperatorDeclaration*)methodMatcher.mBestMethodDef->mMethodDeclaration)->mBinOp;
- methodMatcher.mBestMethodInstance = GetSelectedMethod(methodMatcher.mTargetSrc, methodMatcher.mBestMethodTypeInstance, methodMatcher.mBestMethodDef, methodMatcher);
- if ((methodMatcher.mBestMethodInstance.mMethodInstance->mReturnType != mExpectingType) &&
- ((matchedOp == binaryOp) || (matchedOp == oppositeBinaryOp)))
- {
- if (binaryOp == BfBinaryOp_Equality)
- binaryOp = BfBinaryOp_StrictEquality;
- if (binaryOp == BfBinaryOp_InEquality)
- binaryOp = BfBinaryOp_StrictEquality;
- hadMatch = false;
- break;
- }
- }
- if (hadMatch)
- {
- methodMatcher.FlushAmbiguityError();
- auto matchedOp = ((BfOperatorDeclaration*)methodMatcher.mBestMethodDef->mMethodDeclaration)->mBinOp;
- bool invertResult = matchedOp == oppositeBinaryOp;
- auto methodDef = methodMatcher.mBestMethodDef;
- auto autoComplete = GetAutoComplete();
- bool wasCapturingMethodInfo = false;
- if ((autoComplete != NULL) && (autoComplete->IsAutocompleteNode(opToken)))
- {
- auto operatorDecl = BfNodeDynCast<BfOperatorDeclaration>(methodDef->mMethodDeclaration);
- if ((operatorDecl != NULL) && (operatorDecl->mOpTypeToken != NULL))
- autoComplete->SetDefinitionLocation(operatorDecl->mOpTypeToken);
- }
- if ((wasTransformedUsage) && (methodDef->mCommutableKind != BfCommutableKind_Operator))
- {
- auto error = mModule->Warn(BfWarning_BF4206_OperatorCommutableUsage, "Transformed operator usage requires 'Commutable' attribute to be added to the operator declaration", opToken);
- if ((error != NULL) && (methodDef->GetRefNode() != NULL))
- mModule->mCompiler->mPassInstance->MoreInfo(StrFormat("See operator declaration"), methodDef->GetRefNode());
- }
- if (opToken != NULL)
- {
- if ((opToken->IsA<BfTokenNode>()) && (!noClassify) && (!baseClassWalker.mMayBeFromInterface))
- mModule->SetElementType(opToken, BfSourceElementType_Method);
- }
- if ((flags & BfBinOpFlag_IsConstraintCheck) != 0)
- {
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), operatorConstraintReturnType);
- }
- else
- {
- SetAndRestoreValue<BfEvalExprFlags> prevFlags(mBfEvalExprFlags, (BfEvalExprFlags)(mBfEvalExprFlags | BfEvalExprFlags_NoAutoComplete));
- mResult = CreateCall(&methodMatcher, BfTypedValue());
- }
- if ((mResult.mType != NULL) && (methodMatcher.mSelfType != NULL) && (mResult.mType->IsSelf()))
- {
- BF_ASSERT(mModule->IsInGeneric());
- mResult = mModule->GetDefaultTypedValue(methodMatcher.mSelfType, false, BfDefaultValueKind_Value);
- }
- if ((invertResult) && (mResult.mType == mModule->GetPrimitiveType(BfTypeCode_Boolean)))
- mResult.mValue = mModule->mBfIRBuilder->CreateNot(mResult.mValue);
- if (pass == 1)
- {
- if (findBinaryOp == BfBinaryOp_Compare)
- {
- mResult = mModule->LoadValue(mResult);
- if (mResult.mType->IsIntegral())
- mResult.mValue = mModule->mBfIRBuilder->CreateNeg(mResult.mValue);
- }
- }
- if ((isComparison) && (matchedOp == BfBinaryOp_Compare))
- {
- auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- mResult = mModule->LoadValue(mResult);
- if (mResult.mType != intType)
- mResult = mModule->GetDefaultTypedValue(intType);
- auto zeroVal = mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0);
- auto useBinaryOp = binaryOp;
- if (pass == 1)
- useBinaryOp = BfGetFlippedBinaryOp(useBinaryOp);
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- switch (useBinaryOp)
- {
- case BfBinaryOp_Equality:
- case BfBinaryOp_StrictEquality:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(mResult.mValue, zeroVal), boolType);
- break;
- case BfBinaryOp_InEquality:
- case BfBinaryOp_StrictInEquality:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(mResult.mValue, zeroVal), boolType);
- break;
- case BfBinaryOp_GreaterThan:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpGT(mResult.mValue, zeroVal, true), boolType);
- break;
- case BfBinaryOp_LessThan:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpLT(mResult.mValue, zeroVal, true), boolType);
- break;
- case BfBinaryOp_GreaterThanOrEqual:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpGTE(mResult.mValue, zeroVal, true), boolType);
- break;
- case BfBinaryOp_LessThanOrEqual:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpLTE(mResult.mValue, zeroVal, true), boolType);
- break;
- default: break;
- }
- }
- return;
- }
- auto _CheckBinaryOp = [&](BfGenericParamInstance* genericParam)
- {
- for (auto& opConstraint : genericParam->mOperatorConstraints)
- {
- BfType* returnType = genericParam->mExternType;
- bool works = false;
- if (opConstraint.mBinaryOp == findBinaryOp)
- {
- if (((args[0].mTypedValue) && (mModule->CanCast(args[0].mTypedValue, opConstraint.mLeftType))) &&
- ((args[1].mTypedValue) && (mModule->CanCast(args[1].mTypedValue, opConstraint.mRightType))))
- {
- works = true;
- }
- }
- if ((isComparison) && (opConstraint.mBinaryOp == BfBinaryOp_Compare))
- {
- if (((args[0].mTypedValue) && (mModule->CanCast(args[0].mTypedValue, opConstraint.mLeftType))) &&
- ((args[1].mTypedValue) && (mModule->CanCast(args[1].mTypedValue, opConstraint.mRightType))))
- {
- works = true;
- }
- else if (((args[0].mTypedValue) && (mModule->CanCast(args[0].mTypedValue, opConstraint.mRightType))) &&
- ((args[1].mTypedValue) && (mModule->CanCast(args[1].mTypedValue, opConstraint.mLeftType))))
- {
- works = true;
- }
- if (works)
- {
- returnType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- }
- }
- if (works)
- {
- BF_ASSERT(genericParam->mExternType != NULL);
- mResult = BfTypedValue(mModule->mBfIRBuilder->GetFakeVal(), returnType);
- return true;
- }
- }
- return false;
- };
- // Check method generic constraints
- if ((mModule->mCurMethodInstance != NULL) && (mModule->mCurMethodInstance->mIsUnspecialized) && (mModule->mCurMethodInstance->mMethodInfoEx != NULL))
- {
- for (int genericParamIdx = 0; genericParamIdx < mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams.size(); genericParamIdx++)
- {
- auto genericParam = mModule->mCurMethodInstance->mMethodInfoEx->mGenericParams[genericParamIdx];
- if (_CheckBinaryOp(genericParam))
- return;
- }
- }
- // Check type generic constraints
- if ((mModule->mCurTypeInstance->IsGenericTypeInstance()) && (mModule->mCurTypeInstance->IsUnspecializedType()))
- {
- SizedArray<BfGenericParamInstance*, 4> genericParams;
- mModule->GetActiveTypeGenericParamInstances(genericParams);
- for (auto genericParam : genericParams)
- {
- if (_CheckBinaryOp(genericParam))
- return;
- }
- }
- if (pass == 1)
- break;
- auto flippedBinaryOp = BfGetFlippedBinaryOp(findBinaryOp);
- if (flippedBinaryOp != BfBinaryOp_None)
- findBinaryOp = flippedBinaryOp;
- }
- bool resultHandled = false;
- if (((origLeftType != NULL) && (origLeftType->IsIntUnknown())) ||
- ((origRightType != NULL) && (origRightType->IsIntUnknown())))
- {
- if (!resultType->IsPrimitiveType())
- {
- BfType* numericCastType = mModule->GetClosestNumericCastType(*resultTypedValue, mExpectingType);
- if (numericCastType != NULL)
- {
- resultHandled = true;
- resultType = numericCastType;
- }
- }
- }
- if (!resultHandled)
- {
- auto prevResultType = resultType;
- if ((leftValue.mType->IsPrimitiveType()) && (!origLeftType->IsIntUnknown()) && (!rightValue.mType->IsTypedPrimitive()))
- resultType = leftValue.mType;
- if ((rightValue.mType->IsPrimitiveType()) && (!origRightType->IsIntUnknown()) && (!leftValue.mType->IsTypedPrimitive()))
- resultType = rightValue.mType;
- }
- }
- }
- if (deferRight)
- {
- auto expectedType = resultType;
- if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
- expectedType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- rightValue = mModule->CreateValueFromExpression(BfNodeDynCast<BfExpression>(rightExpression), expectedType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_AllowSplat | BfEvalExprFlags_NoCast));
- if (rightValue)
- PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, (BfBinOpFlags)(flags & ~BfBinOpFlag_DeferRight), leftValue, rightValue);
- return;
- }
- if (mModule->IsUnboundGeneric(resultType))
- {
- mResult = mModule->GetDefaultTypedValue(mModule->GetPrimitiveType(BfTypeCode_Var));
- return;
- }
- if (resultType->IsPointer() && otherType->IsPointer())
- {
- if ((binaryOp == BfBinaryOp_Add) && (resultType == otherType) &&
- (resultType->GetUnderlyingType() == mModule->GetPrimitiveType(BfTypeCode_Char8)))
- {
- AddStrings(leftValue, rightValue, opToken);
- return;
- }
-
- //TODO: Allow all pointer comparisons, but only allow SUBTRACTION between equal pointer types
- if ((binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowSubtract))
- {
- if (!mModule->CanCast(*otherTypedValue, resultType))
- {
- mModule->Fail(StrFormat("Operands '%s' and '%s' are not comparable types.",
- mModule->TypeToString(leftValue.mType).c_str(), mModule->TypeToString(rightValue.mType).c_str()),
- opToken);
- return;
- }
- BfPointerType* resultPointerType = (BfPointerType*)resultType;
- BfType* intPtrType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- if (resultPointerType->mElementType->mSize == 0)
- {
- if (!mModule->IsInSpecializedSection())
- mModule->Warn(0, "Subtracting pointers to zero-sized elements will always result in zero", opToken);
- mResult = mModule->GetDefaultTypedValue(intPtrType);
- }
- else
- {
- convLeftValue = mModule->CastToValue(leftExpression, leftValue, intPtrType, (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_FromCompiler));
- convRightValue = mModule->CastToValue(rightExpression, rightValue, intPtrType, (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_FromCompiler));
- BfIRValue diffValue = mModule->mBfIRBuilder->CreateSub(convLeftValue, convRightValue);
- diffValue = mModule->mBfIRBuilder->CreateDiv(diffValue, mModule->GetConstValue(resultPointerType->mElementType->GetStride(), intPtrType), true);
- mResult = BfTypedValue(diffValue, intPtrType);
- }
- return;
- }
- else if ((binaryOp != BfBinaryOp_Equality) && (binaryOp != BfBinaryOp_StrictEquality) &&
- (binaryOp != BfBinaryOp_InEquality) && (binaryOp != BfBinaryOp_StrictInEquality) &&
- (binaryOp != BfBinaryOp_LessThan) && (binaryOp != BfBinaryOp_LessThanOrEqual) &&
- (binaryOp != BfBinaryOp_GreaterThan) && (binaryOp != BfBinaryOp_GreaterThanOrEqual))
- {
- if (mModule->PreFail())
- mModule->Fail("Invalid operation on pointers", opToken);
- return;
- }
- if ((!BfBinOpEqualityCheck(binaryOp)) || (resultType != otherType))
- {
- resultType = mModule->GetPrimitiveType(BfTypeCode_UIntPtr);
- explicitCast = true;
- }
- }
- else if (resultType->IsPointer())
- {
- if (otherType->IsNull())
- {
- if (!BfBinOpEqualityCheck(binaryOp))
- {
- if (mModule->PreFail())
- mModule->Fail(StrFormat("Invalid operation between '%s' and null", mModule->TypeToString(resultType).c_str()), opToken);
- return;
- }
- if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIsNull(resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIsNotNull(resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- return;
- }
- // One pointer
- if ((!otherType->IsIntegral()) ||
- ((binaryOp != BfBinaryOp_Add) && (binaryOp != BfBinaryOp_Subtract) && (binaryOp != BfBinaryOp_OverflowAdd) && (binaryOp != BfBinaryOp_OverflowSubtract)))
- {
- _OpFail();
- return;
- }
- auto underlyingType = resultType->GetUnderlyingType();
- if ((underlyingType->IsSizedArray()) && (!mModule->IsInSpecializedSection()))
- mModule->Warn(0, "Performing arithmetic on a pointer to a sized array. Consider performing arithmetic on an element pointer if this is not intended.", resultTypeSrc);
- BfIRValue addValue = otherTypedValue->mValue;
- if ((!otherTypedValue->mType->IsSigned()) && (otherTypedValue->mType->mSize < mModule->mSystem->mPtrSize))
- addValue = mModule->mBfIRBuilder->CreateNumericCast(addValue, false, BfTypeCode_UIntPtr);
- if ((binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowSubtract))
- {
- if (resultTypeSrc == rightExpression)
- mModule->Fail("Cannot subtract a pointer from an integer", resultTypeSrc);
- addValue = mModule->mBfIRBuilder->CreateNeg(addValue);
- }
- mModule->PopulateType(underlyingType);
- if (underlyingType->IsValuelessType())
- {
- if (!mModule->IsInSpecializedSection())
- mModule->Warn(0, "Adding to a pointer to a zero-sized element has no effect", opToken);
- mResult = *resultTypedValue;
- return;
- }
- mModule->mBfIRBuilder->PopulateType(underlyingType);
- mResult = BfTypedValue(mModule->CreateIndexedValue(underlyingType, resultTypedValue->mValue, addValue), resultType);
- return;
- }
- if ((resultType->IsFunction()) || (resultType->IsPointer()) || (resultType->IsObject()) || (resultType->IsInterface()) || (resultType->IsGenericParam()))
- {
- if ((binaryOp == BfBinaryOp_Add) &&
- (resultType->IsInstanceOf(mModule->mCompiler->mStringTypeDef)) &&
- (otherType->IsInstanceOf(mModule->mCompiler->mStringTypeDef)))
- {
- AddStrings(leftValue, rightValue, opToken);
- return;
- }
- if (!BfGetBinaryOpPrecendence(binaryOp))
- {
- //mModule->Fail("Invalid operation for objects", opToken);
- _OpFail();
- return;
- }
- if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality) || (binaryOp == BfBinaryOp_InEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
- {
- leftValue = mModule->LoadOrAggregateValue(leftValue);
- rightValue = mModule->LoadOrAggregateValue(rightValue);
- if (resultType->IsInterface())
- {
- // Compare as objects instead
- resultType = mModule->mContext->mBfObjectType;
- *resultTypedValue = mModule->Cast(resultTypeSrc, *resultTypedValue, resultType);
- }
- if (otherType->IsNull())
- {
- if (resultType->IsFunction())
- {
- if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0), resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0), resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- }
- else
- {
- if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIsNull(resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateIsNotNull(resultTypedValue->mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- }
- }
- else
- {
- auto convertedValue = mModule->Cast(otherTypeSrc, *otherTypedValue, resultType, BfCastFlags_NoBox);
- if (!convertedValue)
- return;
- convertedValue = mModule->LoadValue(convertedValue);
- if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(resultTypedValue->mValue, convertedValue.mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(resultTypedValue->mValue, convertedValue.mValue), mModule->GetPrimitiveType(BfTypeCode_Boolean));
- }
- return;
- }
- }
- if (resultType->IsTypedPrimitive())
- {
- bool needsOtherCast = true;
- if (otherType != resultType)
- {
- if ((otherType->IsPrimitiveType()) && (!otherType->IsValuelessType()))
- {
- // Allow zero comparisons to match all typed primitives
- if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_InEquality))
- {
- auto constant = mModule->mBfIRBuilder->GetConstant(otherTypedValue->mValue);
- if ((constant != NULL) && (mModule->mBfIRBuilder->IsInt(constant->mTypeCode)) && (constant->mInt64 == 0))
- needsOtherCast = false;
- }
- // Allow integer offsetting
- if ((binaryOp == BfBinaryOp_Add) || (binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowAdd) || (binaryOp == BfBinaryOp_OverflowSubtract))
- {
- if (otherType->IsIntegral())
- needsOtherCast = false;
- }
- }
- if (needsOtherCast)
- {
- BfCastFlags castFlags = (BfCastFlags)((explicitCast ? BfCastFlags_Explicit : BfCastFlags_None) | BfCastFlags_SilentFail);
- BfIRValue otherCastResult = mModule->CastToValue(otherTypeSrc, *otherTypedValue, resultType, castFlags);
- if (!otherCastResult)
- {
- // We picked the wrong type, try the other one...
- if (mModule->CanCast(*resultTypedValue, otherType))
- {
- BfBinOpFlags newFlags = flags;
- if (otherTypedValue == &leftValue)
- newFlags = (BfBinOpFlags)(flags | BfBinOpFlag_ForceLeftType & ~BfBinOpFlag_ForceRightType & ~BfBinOpFlag_DeferRight);
- else
- newFlags = (BfBinOpFlags)(flags | BfBinOpFlag_ForceRightType & ~BfBinOpFlag_ForceLeftType & ~BfBinOpFlag_DeferRight);
- return PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, newFlags, leftValue, rightValue);
- }
- // Do again but with an error
- castFlags = (BfCastFlags)(castFlags & ~BfCastFlags_SilentFail);
- otherCastResult = mModule->CastToValue(otherTypeSrc, *otherTypedValue, resultType, castFlags);
- }
- }
- }
- auto underlyingType = resultType->GetUnderlyingType();
- if ((binaryOp == BfBinaryOp_Subtract) && (otherTypedValue->mType == resultType))
- {
- intptr maxDist = 0;
- auto resultTypeInstance = resultType->ToTypeInstance();
- if ((resultTypeInstance != NULL) && (resultTypeInstance->mTypeInfoEx != NULL))
- maxDist = resultTypeInstance->mTypeInfoEx->mMaxValue - resultTypeInstance->mTypeInfoEx->mMinValue;
- if (maxDist >= 0x80000000UL)
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int64);
- else if (maxDist >= 0x8000)
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int32);
- else if (maxDist >= 0x80)
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int16);
- else
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int8);
- underlyingType = resultType;
- }
- BfIRValue convResultValue;
- if (resultTypedValue->mType == resultType)
- convResultValue = mModule->LoadValue(*resultTypedValue).mValue;
- else
- convResultValue = mModule->CastToValue(resultTypeSrc, *resultTypedValue, underlyingType, BfCastFlags_Explicit);
- BfIRValue convOtherValue;
- if (otherTypedValue->mType == resultType)
- convOtherValue = mModule->LoadValue(*otherTypedValue).mValue;
- else
- convOtherValue = mModule->CastToValue(otherTypeSrc, *otherTypedValue, underlyingType, BfCastFlags_Explicit);
- if ((!underlyingType->IsValuelessType()) && ((!convResultValue) || (!convOtherValue)))
- return;
- if (resultTypedValue == &leftValue)
- PerformBinaryOperation(underlyingType, convResultValue, convOtherValue, binaryOp, opToken);
- else
- PerformBinaryOperation(underlyingType, convOtherValue, convResultValue, binaryOp, opToken);
- if (mResult.mType == underlyingType)
- mResult.mType = resultType;
- return;
- }
- auto _CallValueTypeEquals = [&]()
- {
- BfModuleMethodInstance moduleMethodInstance;
- auto typeInst = leftValue.mType->ToTypeInstance();
- if (typeInst != NULL)
- {
- if ((binaryOp == BfBinaryOp_StrictEquality) || (binaryOp == BfBinaryOp_StrictInEquality))
- moduleMethodInstance = mModule->GetMethodByName(typeInst, BF_METHODNAME_DEFAULT_STRICT_EQUALS);
- else
- moduleMethodInstance = mModule->GetMethodByName(typeInst, BF_METHODNAME_DEFAULT_EQUALS);
- }
- else
- {
- BF_ASSERT(leftValue.mType->IsSizedArray() || leftValue.mType->IsMethodRef());
- auto valueTypeInst = mModule->ResolveTypeDef(mModule->mCompiler->mValueTypeTypeDef)->ToTypeInstance();
- BfMethodDef* equalsMethodDef = mModule->mCompiler->mValueTypeTypeDef->GetMethodByName("Equals");
- BfTypeVector typeVec;
- typeVec.push_back(leftValue.mType);
- moduleMethodInstance = mModule->GetMethodInstance(valueTypeInst, equalsMethodDef, typeVec);
- }
- if (moduleMethodInstance)
- {
- if ((opToken != NULL) && (!noClassify))
- mModule->SetElementType(opToken, BfSourceElementType_Method);
- SizedArray<BfResolvedArg, 4> argValues;
- BfResolvedArg resolvedArg;
- resolvedArg.mTypedValue = leftValue;
- argValues.push_back(resolvedArg);
- resolvedArg.mTypedValue = rightValue;
- argValues.push_back(resolvedArg);
- mResult = CreateCall(opToken, BfTypedValue(), BfTypedValue(), moduleMethodInstance.mMethodInstance->mMethodDef, moduleMethodInstance, BfCreateCallFlags_None, argValues);
- if ((mResult) &&
- ((binaryOp == BfBinaryOp_InEquality) || (binaryOp == BfBinaryOp_StrictInEquality)))
- mResult.mValue = mModule->mBfIRBuilder->CreateNot(mResult.mValue);
- return true;
- }
- return false;
- };
- //if (((leftValue.mType->IsComposite()) || (leftValue.mType->IsObject())))
- if (((resultType->IsComposite()) || (resultType->IsObject())))
- {
- bool areEquivalentTuples = false;
- if ((leftValue.mType->IsTuple()) && (rightValue.mType->IsTuple()))
- {
- auto leftTupleType = (BfTypeInstance*)leftValue.mType;
- auto rightTupleType = (BfTypeInstance*)rightValue.mType;
- // We only do this for tuples, because we would allow an implicit struct
- // truncation if we allow it for all structs, which would result in only
- // the base class's fields being compared
- if (mModule->CanCast(rightValue, leftValue.mType))
- rightValue = mModule->Cast(opToken, rightValue, leftValue.mType, BfCastFlags_Explicit);
- else if (mModule->CanCast(leftValue, rightValue.mType))
- leftValue = mModule->Cast(opToken, leftValue, rightValue.mType, BfCastFlags_Explicit);
- }
- if (leftValue.mType == rightValue.mType)
- {
- if (BfBinOpEqualityCheck(binaryOp))
- {
- auto intCoercibleType = mModule->GetIntCoercibleType(leftValue.mType);
- if (intCoercibleType != NULL)
- {
- auto intLHS = mModule->GetIntCoercible(leftValue);
- auto intRHS = mModule->GetIntCoercible(rightValue);
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- if ((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality))
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(intLHS.mValue, intRHS.mValue), boolType);
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(intLHS.mValue, intRHS.mValue), boolType);
- return;
- }
- // Valueless types always compare as 'equal' if we can ensure no members could have an equality operator overload
- if (leftValue.mType->IsComposite())
- {
- mModule->PopulateType(leftValue.mType);
- if (leftValue.mType->IsValuelessType())
- {
- bool mayHaveEqualOverload = false;
- auto leftTypeInst = leftValue.mType->ToTypeInstance();
- if (leftTypeInst != NULL)
- {
- std::function<bool(BfType*)> _HasTypeInstance = [&](BfType* type)
- {
- if (type == NULL)
- return false;
- if (type->IsTypeInstance())
- return true;
- if (type->IsSizedArray())
- return _HasTypeInstance(((BfSizedArrayType*)type)->mElementType);
- return false;
- };
- for (auto& fieldInstance : leftTypeInst->mFieldInstances)
- {
- if (_HasTypeInstance(fieldInstance.mResolvedType))
- mayHaveEqualOverload = true;
- }
- }
- if (!mayHaveEqualOverload)
- {
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- bool isEqual = (binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality);
- mResult = BfTypedValue(mModule->GetConstValue(isEqual ? 1 : 0, boolType), boolType);
- return;
- }
- }
- }
- if (_CallValueTypeEquals())
- return;
- }
- if (PerformBinaryOperation_Numeric(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue))
- return;
- if (mModule->PreFail())
- {
- mModule->Fail(StrFormat("Operator '%s' cannot be applied to operands of type '%s'",
- BfGetOpName(binaryOp),
- mModule->TypeToString(leftValue.mType).c_str()), opToken);
- }
- return;
- }
- else
- {
- bool handled = false;
- for (int pass = 0; pass < 2; pass++)
- {
- BfTypedValue& fromValue = (pass == 0) ? leftValue : rightValue;
- BfType* toType = (pass == 0) ? rightValue.mType : leftValue.mType;
- if (mModule->CanCast(fromValue, toType))
- {
- auto result = mModule->Cast(opToken, fromValue, toType);
- if (result)
- {
- resultType = toType;
- fromValue = result;
- handled = true;
- break;
- }
- }
- }
- if (!handled)
- {
- if ((leftValue.mType->IsUndefSizedArray()) || (rightValue.mType->IsUndefSizedArray()))
- {
- if ((leftValue.mType->IsSizedArray()) && (rightValue.mType->IsSizedArray() &&
- (leftValue.mType->GetUnderlyingType() == rightValue.mType->GetUnderlyingType())))
- {
- if (BfBinOpEqualityCheck(binaryOp))
- {
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- mResult = mModule->GetDefaultTypedValue(boolType, false, BfDefaultValueKind_Undef);
- return;
- }
- }
- }
- if (PerformBinaryOperation_Numeric(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue))
- return;
- mModule->Fail(StrFormat("Operator '%s' cannot be applied to operands of type '%s' and '%s'",
- BfGetOpName(binaryOp),
- mModule->TypeToString(leftValue.mType).c_str(),
- mModule->TypeToString(rightValue.mType).c_str()), opToken);
- return;
- }
- }
- }
- if (resultType->IsMethodRef() && otherType->IsMethodRef())
- {
- if (BfBinOpEqualityCheck(binaryOp))
- {
- auto boolType = mModule->GetPrimitiveType(BfTypeCode_Boolean);
- BfMethodRefType* lhsMethodRefType = (BfMethodRefType*)leftValue.mType;
- BfMethodRefType* rhsMethodRefType = (BfMethodRefType*)rightValue.mType;
- if (lhsMethodRefType->mMethodRef != rhsMethodRefType->mMethodRef)
- {
- mResult = BfTypedValue(mModule->GetConstValue(((binaryOp == BfBinaryOp_Equality) || (binaryOp == BfBinaryOp_StrictEquality)) ? 0 : 1, boolType), boolType);
- return;
- }
- if (_CallValueTypeEquals())
- return;
- }
- }
- if (resultType->IsIntegral())
- {
- if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
- {
- if (rightValue.mValue.IsConst())
- {
- auto constVal = mModule->mBfIRBuilder->GetConstant(rightValue.mValue);
- if ((constVal->mInt64 < 0) || (constVal->mInt64 >= 8 * resultType->mSize))
- {
- mModule->Fail(StrFormat("Shift value '%lld' is out of range for type '%s'", constVal->mInt64, mModule->TypeToString(resultType).c_str()), opToken);
- }
- }
- }
- // We're trying a simplified scheme that doesn't always try to up-convert into an 'int'
- if (leftValue.mType != rightValue.mType)
- {
- bool isBitwiseExpr =
- (binaryOp == BfBinaryOp_BitwiseAnd) ||
- (binaryOp == BfBinaryOp_BitwiseOr) ||
- (binaryOp == BfBinaryOp_ExclusiveOr) ||
- (binaryOp == BfBinaryOp_LeftShift) ||
- (binaryOp == BfBinaryOp_RightShift) ||
- (binaryOp == BfBinaryOp_Equality) ||
- (binaryOp == BfBinaryOp_InEquality) ||
- (binaryOp == BfBinaryOp_StrictEquality) ||
- (binaryOp == BfBinaryOp_StrictInEquality);
- if ((binaryOp == BfBinaryOp_LeftShift) || (binaryOp == BfBinaryOp_RightShift))
- {
- // For shifts we have more lenient rules - shifts are naturally limited so any int type is equally valid
- if (rightValue.mType->IsIntegral())
- explicitCast = true;
- }
- else if (((binaryOp == BfBinaryOp_Add) || (binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowAdd) || (binaryOp == BfBinaryOp_OverflowSubtract)) && (resultType->IsChar()) && (otherType->IsInteger()))
- {
- // charVal += intVal;
- explicitCast = true;
- }
- else if ((!resultType->IsSigned()) && (otherType->IsSigned()))
- {
- if (mModule->CanCast(*otherTypedValue, resultType))
- {
- // If we can convert the 'other' value implicitly then it's a convertible literal, leave as uint
- }
- else
- {
- mModule->Fail(StrFormat("Operator cannot be applied to operands of type '%s' and '%s'",
- mModule->TypeToString(leftValue.mType).c_str(),
- mModule->TypeToString(rightValue.mType).c_str()), opToken);
- return;
- }
- }
- else if ((isBitwiseExpr) && (otherType->IsIntegral()) && (resultType->mSize == otherType->mSize))
- {
- // Forget about signed/unsigned mismatches for bitwise operations
- explicitCast = true;
- }
- else
- {
- if (((binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowSubtract)) &&
- (resultType->IsChar()) && (otherType->IsChar()))
- {
- // "wchar - char" subtraction will always fit into int32, because of unicode range
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int32);
- explicitCast = true;
- }
- else if ((otherType->IsChar()) &&
- ((binaryOp == BfBinaryOp_Add) || (binaryOp == BfBinaryOp_Subtract) || (binaryOp == BfBinaryOp_OverflowAdd) || (binaryOp == BfBinaryOp_OverflowSubtract)))
- {
- mModule->Fail(StrFormat("Cannot perform operation between types '%s' and '%s'",
- mModule->TypeToString(leftValue.mType).c_str(),
- mModule->TypeToString(rightValue.mType).c_str()), opToken);
- }
- }
- }
- else if ((!resultType->IsSigned()) && (binaryOp == BfBinaryOp_Subtract) && (!forceLeftType))
- {
- if ((mExpectingType == NULL) || (mExpectingType->IsSigned()) || (resultType->IsChar()))
- {
- if ((resultType->IsChar()) && (resultType->mSize == 4))
- {
- // "wchar - wchar" subtraction will always fit into int32, because of unicode range
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int32);
- }
- else
- {
- // The result of uint8 - uint8 is int16 (for example)
- switch (resultType->mSize)
- {
- case 1:
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int16);
- break;
- case 2:
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int32);
- break;
- case 4:
- resultType = mModule->GetPrimitiveType(BfTypeCode_Int64);
- break;
- }
- }
- explicitCast = true;
- }
- }
- else if (resultType->IsChar())
- {
- bool canDoOp =
- (binaryOp == BfBinaryOp_BitwiseAnd) ||
- (binaryOp == BfBinaryOp_BitwiseOr) ||
- ((binaryOp >= BfBinaryOp_Equality) && (binaryOp <= BfBinaryOp_Compare));
- if (!canDoOp)
- {
- mModule->Fail(StrFormat("Cannot perform operation on type '%s'", mModule->TypeToString(resultType).c_str()), opToken);
- return;
- }
- }
- }
- if (!convLeftValue)
- convLeftValue = mModule->CastToValue(leftExpression, leftValue, resultType,
- explicitCast ? (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_FromCompiler) : BfCastFlags_None);
- if (!convRightValue)
- convRightValue = mModule->CastToValue(rightExpression, rightValue, resultType,
- explicitCast ? (BfCastFlags)(BfCastFlags_Explicit | BfCastFlags_FromCompiler) : BfCastFlags_None);
- PerformBinaryOperation(resultType, convLeftValue, convRightValue, binaryOp, opToken);
- }
- void BfExprEvaluator::PerformBinaryOperation(BfType* resultType, BfIRValue convLeftValue, BfIRValue convRightValue, BfBinaryOp binaryOp, BfAstNode* opToken)
- {
- if (resultType->IsValuelessType())
- {
- switch (binaryOp)
- {
- case BfBinaryOp_Equality:
- case BfBinaryOp_StrictEquality:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 1),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- return;
- case BfBinaryOp_InEquality:
- case BfBinaryOp_StrictInEquality:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateConst(BfTypeCode_Boolean, 0),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- return;
- default:
- break;
- }
- }
- if ((!convLeftValue) || (!convRightValue))
- return;
- if (resultType->IsPrimitiveType())
- {
- auto primType = (BfPrimitiveType*)resultType;
- if (primType->mTypeDef->mTypeCode == BfTypeCode_Boolean)
- {
- bool passThrough = false;
- switch (binaryOp)
- {
- case BfBinaryOp_Equality:
- case BfBinaryOp_StrictEquality:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(convLeftValue, convRightValue),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_InEquality:
- case BfBinaryOp_StrictInEquality:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(convLeftValue, convRightValue),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_BitwiseAnd:
- case BfBinaryOp_ConditionalAnd:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateAnd(convLeftValue, convRightValue),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_BitwiseOr:
- case BfBinaryOp_ConditionalOr:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateOr(convLeftValue, convRightValue),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_ExclusiveOr:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateXor(convLeftValue, convRightValue),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_Compare:
- passThrough = true;
- break;
- default:
- if (mModule->PreFail())
- mModule->Fail("Invalid operation for booleans", opToken);
- break;
- }
- if (!passThrough)
- return;
- }
- }
- if ((!resultType->IsIntegralOrBool()) && (!resultType->IsFloat()))
- {
- if (mModule->PreFail())
- mModule->Fail(StrFormat("Cannot perform operation on type '%s'", mModule->TypeToString(resultType).c_str()), opToken);
- return;
- }
- if (resultType->IsIntegral())
- {
- switch (binaryOp)
- {
- case BfBinaryOp_BitwiseAnd:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateAnd(convLeftValue, convRightValue), resultType);
- return;
- case BfBinaryOp_BitwiseOr:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateOr(convLeftValue, convRightValue), resultType);
- return;
- case BfBinaryOp_ExclusiveOr:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateXor(convLeftValue, convRightValue), resultType);
- return;
- case BfBinaryOp_LeftShift:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateShl(convLeftValue, convRightValue), resultType);
- mModule->CheckRangeError(resultType, opToken);
- return;
- case BfBinaryOp_RightShift:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateShr(convLeftValue, convRightValue, resultType->IsSigned()), resultType);
- return;
- default: break;
- }
- }
- if ((resultType->IsChar()) &&
- ((binaryOp == BfBinaryOp_Multiply) ||
- (binaryOp == BfBinaryOp_OverflowMultiply) ||
- (binaryOp == BfBinaryOp_Divide) ||
- (binaryOp == BfBinaryOp_Modulus)))
- {
- mModule->Fail(StrFormat("Cannot perform operation on type '%s'", mModule->TypeToString(resultType).c_str()), opToken);
- return;
- }
- auto _GetOverflowKind = [&](bool wantOverflow)
- {
- if (resultType->IsFloat())
- return BfOverflowCheckKind_None;
- if (!wantOverflow)
- return BfOverflowCheckKind_None;
- if (mModule->GetDefaultCheckedKind() != BfCheckedKind_Checked)
- return BfOverflowCheckKind_None;
- bool arithmeticChecks = mModule->mCompiler->mOptions.mArithmeticChecks;
- auto typeOptions = mModule->GetTypeOptions();
- if (typeOptions != NULL)
- arithmeticChecks = typeOptions->Apply(arithmeticChecks, BfOptionFlags_ArithmeticCheck);
- if (!arithmeticChecks)
- return BfOverflowCheckKind_None;
- BfOverflowCheckKind overflowCheckKind = (resultType->IsSigned()) ? BfOverflowCheckKind_Signed : BfOverflowCheckKind_Unsigned;
- if (!mModule->IsOptimized())
- overflowCheckKind = (BfOverflowCheckKind)(overflowCheckKind | BfOverflowCheckKind_Flag_UseAsm);
- return overflowCheckKind;
- };
- switch (binaryOp)
- {
- case BfBinaryOp_Add:
- case BfBinaryOp_OverflowAdd:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateAdd(convLeftValue, convRightValue, _GetOverflowKind(binaryOp == BfBinaryOp_Add)), resultType);
- if (binaryOp != BfBinaryOp_OverflowAdd)
- mModule->CheckRangeError(resultType, opToken);
- break;
- case BfBinaryOp_Subtract:
- case BfBinaryOp_OverflowSubtract:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateSub(convLeftValue, convRightValue, _GetOverflowKind(binaryOp == BfBinaryOp_Subtract)), resultType);
- if (binaryOp != BfBinaryOp_OverflowSubtract)
- mModule->CheckRangeError(resultType, opToken);
- break;
- case BfBinaryOp_Multiply:
- case BfBinaryOp_OverflowMultiply:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateMul(convLeftValue, convRightValue, _GetOverflowKind(binaryOp == BfBinaryOp_Multiply)), resultType);
- if (binaryOp != BfBinaryOp_OverflowMultiply)
- mModule->CheckRangeError(resultType, opToken);
- break;
- case BfBinaryOp_Divide:
- {
- bool isZero = false;
- if (convRightValue.IsConst())
- {
- auto constVal = mModule->mBfIRBuilder->GetConstant(convRightValue);
- if (BfIRBuilder::IsInt(constVal->mTypeCode))
- isZero = constVal->mInt64 == 0;
- }
- if (isZero)
- {
- mModule->Fail("Divide by zero", opToken);
- mResult = mModule->GetDefaultTypedValue(resultType);
- }
- else
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateDiv(convLeftValue, convRightValue, resultType->IsSigned()), resultType);
- }
- break;
- case BfBinaryOp_Modulus:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateRem(convLeftValue, convRightValue, resultType->IsSigned()), resultType);
- break;
- case BfBinaryOp_Equality:
- case BfBinaryOp_StrictEquality:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpEQ(convLeftValue, convRightValue),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_InEquality:
- case BfBinaryOp_StrictInEquality:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpNE(convLeftValue, convRightValue),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_LessThan:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpLT(convLeftValue, convRightValue, resultType->IsSigned()),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_LessThanOrEqual:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpLTE(convLeftValue, convRightValue, resultType->IsSigned()),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_GreaterThan:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpGT(convLeftValue, convRightValue, resultType->IsSigned()),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_GreaterThanOrEqual:
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateCmpGTE(convLeftValue, convRightValue, resultType->IsSigned()),
- mModule->GetPrimitiveType(BfTypeCode_Boolean));
- break;
- case BfBinaryOp_Compare:
- {
- auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
- if ((convLeftValue.IsConst()) && (convRightValue.IsConst()))
- {
- auto cmpLtVal = mModule->mBfIRBuilder->CreateCmpLT(convLeftValue, convRightValue, resultType->IsSigned());
- auto ltConstant = mModule->mBfIRBuilder->GetConstant(cmpLtVal);
- if (ltConstant->mBool)
- {
- mResult = BfTypedValue(mModule->GetConstValue(-1, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
- }
- else
- {
- auto cmpGtVal = mModule->mBfIRBuilder->CreateCmpGT(convLeftValue, convRightValue, resultType->IsSigned());
- auto rtConstant = mModule->mBfIRBuilder->GetConstant(cmpGtVal);
- if (rtConstant->mBool)
- mResult = BfTypedValue(mModule->GetConstValue(1, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
- else
- mResult = BfTypedValue(mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
- }
- }
- else if ((resultType->IsIntegralOrBool()) && (resultType->mSize < intType->mSize))
- {
- auto leftIntValue = mModule->mBfIRBuilder->CreateNumericCast(convLeftValue, resultType->IsSigned(), BfTypeCode_IntPtr);
- auto rightIntValue = mModule->mBfIRBuilder->CreateNumericCast(convRightValue, resultType->IsSigned(), BfTypeCode_IntPtr);
- mResult = BfTypedValue(mModule->mBfIRBuilder->CreateSub(leftIntValue, rightIntValue), intType);
- }
- else
- {
- BfIRBlock checkGtBlock = mModule->mBfIRBuilder->CreateBlock("cmpCheckGt");
- BfIRBlock eqBlock = mModule->mBfIRBuilder->CreateBlock("cmpEq");
- BfIRBlock endBlock = mModule->mBfIRBuilder->CreateBlock("cmpEnd");
- auto startBlock = mModule->mBfIRBuilder->GetInsertBlock();
- auto cmpLtVal = mModule->mBfIRBuilder->CreateCmpLT(convLeftValue, convRightValue, resultType->IsSigned());
- mModule->mBfIRBuilder->CreateCondBr(cmpLtVal, endBlock, checkGtBlock);
- mModule->mBfIRBuilder->AddBlock(checkGtBlock);
- mModule->mBfIRBuilder->SetInsertPoint(checkGtBlock);
- auto cmpGtVal = mModule->mBfIRBuilder->CreateCmpGT(convLeftValue, convRightValue, resultType->IsSigned());
- mModule->mBfIRBuilder->CreateCondBr(cmpGtVal, endBlock, eqBlock);
- mModule->mBfIRBuilder->AddBlock(eqBlock);
- mModule->mBfIRBuilder->SetInsertPoint(eqBlock);
- mModule->mBfIRBuilder->CreateBr(endBlock);
- mModule->mBfIRBuilder->AddBlock(endBlock);
- mModule->mBfIRBuilder->SetInsertPoint(endBlock);
- auto phiVal = mModule->mBfIRBuilder->CreatePhi(mModule->mBfIRBuilder->MapType(intType), 3);
- mModule->mBfIRBuilder->AddPhiIncoming(phiVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, -1), startBlock);
- mModule->mBfIRBuilder->AddPhiIncoming(phiVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 1), checkGtBlock);
- mModule->mBfIRBuilder->AddPhiIncoming(phiVal, mModule->mBfIRBuilder->CreateConst(BfTypeCode_IntPtr, 0), eqBlock);
- mResult = BfTypedValue(phiVal, intType);
- }
- }
- break;
- default:
- if (mModule->PreFail())
- mModule->Fail("Invalid operation", opToken);
- break;
- }
- }
- void BfExprEvaluator::Visit(BfBinaryOperatorExpression* binOpExpr)
- {
- BfAutoParentNodeEntry autoParentNodeEntry(mModule, binOpExpr);
- // There are a few binary operations that could actually be casts followed by an unary operation
- // We can't determine that until we know whether the identifier in the parens is a typename or not
- // (double)-1.0 (intptr)&val (BaseStruct)*val
- BfUnaryOp unaryOp = BfUnaryOp_None;
- switch (binOpExpr->mOp)
- {
- case BfBinaryOp_Add: unaryOp = BfUnaryOp_Positive; break;
- case BfBinaryOp_Subtract: unaryOp = BfUnaryOp_Negate; break;
- case BfBinaryOp_Multiply: unaryOp = BfUnaryOp_Dereference; break;
- case BfBinaryOp_BitwiseAnd: unaryOp = BfUnaryOp_AddressOf; break;
- default: break;
- }
- if (unaryOp != BfUnaryOp_None)
- {
- if (auto parenExpr = BfNodeDynCast<BfParenthesizedExpression>(binOpExpr->mLeft))
- {
- if (auto castTypeExpr = BfNodeDynCast<BfIdentifierNode>(parenExpr->mExpression))
- {
- SetAndRestoreValue<bool> prevIgnoreError(mModule->mIgnoreErrors, true);
- auto resolvedType = mModule->ResolveTypeRef(castTypeExpr, NULL);
- prevIgnoreError.Restore();
- if (resolvedType != NULL)
- {
- if (auto rightBinOpExpr = BfNodeDynCast<BfBinaryOperatorExpression>(binOpExpr->mRight))
- {
- int leftPrecedence = BfGetBinaryOpPrecendence(binOpExpr->mOp);
- int rightPrecedence = BfGetBinaryOpPrecendence(rightBinOpExpr->mOp);
- // Do we have a precedence order issue due to mis-parsing this?
- // An example is: "(int)-5.5 * 10"
- if (rightPrecedence > leftPrecedence)
- {
- mModule->FailAfter("Cast target must be wrapped in parentheses", binOpExpr->mLeft);
- }
- }
- PerformUnaryOperation(binOpExpr->mRight, unaryOp, binOpExpr->mOpToken, BfUnaryOpFlag_None);
- if (mResult)
- {
- mResult = mModule->LoadValue(mResult);
- mResult = mModule->Cast(binOpExpr, mResult, resolvedType, BfCastFlags_Explicit);
- }
- return;
- }
- }
- }
- }
- if ((binOpExpr->mOp == BfBinaryOp_LeftShift) || (binOpExpr->mOp == BfBinaryOp_RightShift) ||
- (binOpExpr->mOp == BfBinaryOp_BitwiseAnd) || (binOpExpr->mOp == BfBinaryOp_BitwiseOr) ||
- (binOpExpr->mOp == BfBinaryOp_ExclusiveOr))
- {
- for (int side = 0; side < 2; side++)
- {
- if (auto innerBinOpExpr = BfNodeDynCast<BfBinaryOperatorExpression>((side == 0) ? binOpExpr->mLeft : binOpExpr->mRight))
- {
- if ((innerBinOpExpr->mOp == BfBinaryOp_Add) || (innerBinOpExpr->mOp == BfBinaryOp_Subtract))
- {
- mModule->Warn(BfWarning_C4554_PossiblePrecedenceError, "Check operator precedence for possible error. Consider using parentheses to clarify precedence", innerBinOpExpr);
- }
- }
- }
- }
- if (binOpExpr->mRight == NULL)
- {
- // We visit the children for autocompletion only
- if (binOpExpr->mLeft != NULL)
- VisitChild(binOpExpr->mLeft);
- if (mResult)
- {
- auto autoComplete = GetAutoComplete();
- if (autoComplete != NULL)
- autoComplete->CheckEmptyStart(binOpExpr->mOpToken, mResult.mType);
- }
- if (binOpExpr->mRight != NULL)
- VisitChild(binOpExpr->mRight);
- return;
- }
- PerformBinaryOperation(binOpExpr->mLeft, binOpExpr->mRight, binOpExpr->mOp, binOpExpr->mOpToken, BfBinOpFlag_None);
- }
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