//----------------------------------------------------------------------------- // Copyright (c) 2013 GarageGames, LLC // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS // IN THE SOFTWARE. //----------------------------------------------------------------------------- #include "platform/platform.h" #include "console/console.h" #include "console/ast.h" #include "collection/findIterator.h" #include "io/resource/resourceManager.h" #include "string/findMatch.h" #include "string/stringUnit.h" #include "console/consoleInternal.h" #include "io/fileStream.h" #include "console/compiler.h" #include "sim/simBase.h" #include "network/netStringTable.h" #include "component/dynamicConsoleMethodComponent.h" #include "string/stringStack.h" #include "messaging/message.h" #include "memory/frameAllocator.h" #include "debug/telnetDebugger.h" #ifndef _REMOTE_DEBUGGER_BASE_H_ #include "debug/remote/RemoteDebuggerBase.h" #endif using namespace Compiler; enum EvalConstants { MaxStackSize = 1024, MethodOnComponent = -2 }; namespace Con { // Current script file name and root, these are registered as // console variables. extern StringTableEntry gCurrentFile; extern StringTableEntry gCurrentRoot; } F64 floatStack[MaxStackSize]; S64 intStack[MaxStackSize]; StringStack STR; U32 FLT = 0; U32 UINT = 0; static const char *getNamespaceList(Namespace *ns) { U32 size = 1; Namespace * walk; for(walk = ns; walk; walk = walk->mParent) size += dStrlen(walk->mName) + 4; char *ret = Con::getReturnBuffer(size); ret[0] = 0; for(walk = ns; walk; walk = walk->mParent) { dStrcat(ret, walk->mName); if(walk->mParent) dStrcat(ret, " -> "); } return ret; } //------------------------------------------------------------ F64 consoleStringToNumber(const char *str, StringTableEntry file, U32 line) { F64 val = dAtof(str); if(val != 0) return val; else if(!dStricmp(str, "true")) return 1; else if(!dStricmp(str, "false")) return 0; else if(file) { Con::warnf(ConsoleLogEntry::General, "%s (%d): string always evaluates to 0.", file, line); return 0; } return 0; } //------------------------------------------------------------ namespace Con { char *getReturnBuffer(U32 bufferSize) { return STR.getReturnBuffer(bufferSize); } char *getReturnBuffer( const char *stringToCopy ) { char *ret = STR.getReturnBuffer( dStrlen( stringToCopy ) + 1 ); dStrcpy( ret, stringToCopy ); ret[dStrlen( stringToCopy )] = '\0'; return ret; } char *getArgBuffer(U32 bufferSize) { return STR.getArgBuffer(bufferSize); } char *getFloatArg(F64 arg) { char *ret = STR.getArgBuffer(32); dSprintf(ret, 32, "%g", arg); return ret; } char *getIntArg(S32 arg) { char *ret = STR.getArgBuffer(32); dSprintf(ret, 32, "%d", arg); return ret; } char* getBoolArg(bool arg) { char *ret = STR.getArgBuffer(32); dSprintf(ret, 32, "%d", arg); return ret; } } //------------------------------------------------------------ inline void ExprEvalState::setCurVarName(StringTableEntry name) { if(name[0] == '$') currentVariable = globalVars.lookup(name); else if(stack.size()) currentVariable = stack.last()->lookup(name); if(!currentVariable && gWarnUndefinedScriptVariables) Con::warnf(ConsoleLogEntry::Script, "Variable referenced before assignment: %s", name); } inline void ExprEvalState::setCurVarNameCreate(StringTableEntry name) { if(name[0] == '$') currentVariable = globalVars.add(name); else if(stack.size()) currentVariable = stack.last()->add(name); else { currentVariable = NULL; Con::warnf(ConsoleLogEntry::Script, "Accessing local variable in global scope... failed: %s", name); } } //------------------------------------------------------------ inline S32 ExprEvalState::getIntVariable() { return currentVariable ? currentVariable->getIntValue() : 0; } inline F64 ExprEvalState::getFloatVariable() { return currentVariable ? currentVariable->getFloatValue() : 0; } inline const char *ExprEvalState::getStringVariable() { return currentVariable ? currentVariable->getStringValue() : ""; } //------------------------------------------------------------ inline void ExprEvalState::setIntVariable(S32 val) { AssertFatal(currentVariable != NULL, "Invalid evaluator state - trying to set null variable!"); currentVariable->setIntValue(val); } inline void ExprEvalState::setFloatVariable(F64 val) { AssertFatal(currentVariable != NULL, "Invalid evaluator state - trying to set null variable!"); currentVariable->setFloatValue((F32)val); } inline void ExprEvalState::setStringVariable(const char *val) { AssertFatal(currentVariable != NULL, "Invalid evaluator state - trying to set null variable!"); currentVariable->setStringValue(val); } //------------------------------------------------------------ void CodeBlock::getFunctionArgs(char buffer[1024], U32 ip) { U32 fnArgc = code[ip + 5]; buffer[0] = 0; for(U32 i = 0; i < fnArgc; i++) { StringTableEntry var = CodeToSTE(code, ip + (i*2) + 6); // Add a comma so it looks nice! if(i != 0) dStrcat(buffer, ", "); dStrcat(buffer, "var "); // Try to capture junked parameters if(var[0]) dStrcat(buffer, var+1); else dStrcat(buffer, "JUNK"); } } // Returns, in 'val', the specified component of a string. static void getUnit(const char *string, U32 index, const char *set, char val[], S32 len) { U32 sz; while(index--) { if(!*string) return; sz = dStrcspn(string, set); if (string[sz] == 0) return; string += (sz + 1); } sz = dStrcspn(string, set); if (sz == 0) return; if( ( sz + 1 ) > (U32)len ) return; dStrncpy(val, string, sz); val[sz] = '\0'; } // Copies a string, replacing the (space separated) specified component. The // return value is stored in 'val'. static void setUnit(const char *string, U32 index, const char *replace, const char *set, char val[], S32 len) { U32 sz; const char *start = string; if( ( dStrlen(string) + dStrlen(replace) + 1 ) > (U32)len ) return; U32 padCount = 0; while(index--) { sz = dStrcspn(string, set); if(string[sz] == 0) { string += sz; padCount = index + 1; break; } else string += (sz + 1); } // copy first chunk sz = (U32)(string-start); dStrncpy(val, start, sz); for(U32 i = 0; i < padCount; i++) val[sz++] = set[0]; // replace this unit val[sz] = '\0'; dStrcat(val, replace); // copy remaining chunks sz = dStrcspn(string, set); // skip chunk we're replacing if(!sz && !string[sz]) return; string += sz; dStrcat(val, string); return; } //----------------------------------------------------------------------------- static bool isDigitsOnly( const char* pString ) { // Sanity. AssertFatal( pString != NULL, "isDigits() - Cannot check a NULL string." ); const char* pDigitCursor = pString; if ( *pDigitCursor == 0 ) return false; // Check for digits only. do { if ( dIsdigit( *pDigitCursor++ ) ) continue; return false; } while( *pDigitCursor != 0 ); return true; } //----------------------------------------------------------------------------- static const StringTableEntry _xyzw[] = { StringTable->insert( "x" ), StringTable->insert( "y" ), StringTable->insert( "z" ), StringTable->insert( "w" ) }; static const StringTableEntry _rgba[] = { StringTable->insert( "r" ), StringTable->insert( "g" ), StringTable->insert( "b" ), StringTable->insert( "a" ) }; static const StringTableEntry _size[] = { StringTable->insert( "width" ), StringTable->insert( "height" ) }; static const StringTableEntry _count = StringTable->insert( "count" ); //----------------------------------------------------------------------------- // Gets a component of an object's field value or a variable and returns it in val. static void getFieldComponent( SimObject* object, StringTableEntry field, const char* array, StringTableEntry subField, char* val, const U32 bufferSize ) { const char* prevVal = NULL; // Grab value from object. if( object && field ) prevVal = object->getDataField( field, array ); // Otherwise, grab from the string stack. The value coming in will always // be a string because that is how multi-component variables are handled. else prevVal = STR.getStringValue(); // Make sure we got a value. if ( prevVal && *prevVal ) { if ( subField == _count ) dSprintf( val, bufferSize, "%d", StringUnit::getUnitCount( prevVal, " \t\n" ) ); else if ( subField == _xyzw[0] || subField == _rgba[0] || subField == _size[0] ) dStrncpy( val, StringUnit::getUnit( prevVal, 0, " \t\n"), bufferSize ); else if ( subField == _xyzw[1] || subField == _rgba[1] || subField == _size[1] ) dStrncpy( val, StringUnit::getUnit( prevVal, 1, " \t\n"), bufferSize ); else if ( subField == _xyzw[2] || subField == _rgba[2] ) dStrncpy( val, StringUnit::getUnit( prevVal, 2, " \t\n"), bufferSize ); else if ( subField == _xyzw[3] || subField == _rgba[3] ) dStrncpy( val, StringUnit::getUnit( prevVal, 3, " \t\n"), bufferSize ); else if ( *subField == '_' && isDigitsOnly(subField+1) ) dStrncpy( val, StringUnit::getUnit( prevVal, dAtoi(subField+1), " \t\n"), bufferSize ); else val[0] = 0; } else val[0] = 0; } //----------------------------------------------------------------------------- // Sets a component of an object's field value based on the sub field. 'x' will // set the first field, 'y' the second, and 'z' the third. static void setFieldComponent( SimObject* object, StringTableEntry field, const char* array, StringTableEntry subField ) { // Copy the current string value char strValue[1024]; dStrncpy( strValue, STR.getStringValue(), sizeof(strValue) ); char val[1024] = ""; const U32 bufferSize = sizeof(val); const char* prevVal = NULL; // Set the value on an object field. if( object && field ) prevVal = object->getDataField( field, array ); // Set the value on a variable. else if( gEvalState.currentVariable ) prevVal = gEvalState.getStringVariable(); // Ensure that the variable has a value if (!prevVal) return; if ( subField == _xyzw[0] || subField == _rgba[0] || subField == _size[0] ) dStrncpy( val, StringUnit::setUnit( prevVal, 0, strValue, " \t\n"), bufferSize ); else if ( subField == _xyzw[1] || subField == _rgba[1] || subField == _size[1] ) dStrncpy( val, StringUnit::setUnit( prevVal, 1, strValue, " \t\n"), bufferSize ); else if ( subField == _xyzw[2] || subField == _rgba[2] ) dStrncpy( val, StringUnit::setUnit( prevVal, 2, strValue, " \t\n"), bufferSize ); else if ( subField == _xyzw[3] || subField == _rgba[3] ) dStrncpy( val, StringUnit::setUnit( prevVal, 3, strValue, " \t\n"), bufferSize ); else if ( *subField == '_' && isDigitsOnly(subField+1) ) dStrncpy( val, StringUnit::setUnit( prevVal, dAtoi(subField+1), strValue, " \t\n"), bufferSize ); if ( val[0] != 0 ) { // Update the field or variable. if( object && field ) object->setDataField( field, 0, val ); else if( gEvalState.currentVariable ) gEvalState.setStringVariable( val ); } } const char *CodeBlock::exec(U32 ip, const char *functionName, Namespace *thisNamespace, U32 argc, const char **argv, bool noCalls, StringTableEntry packageName, S32 setFrame) { #ifdef TORQUE_DEBUG U32 stackStart = STR.mStartStackSize; #endif static char traceBuffer[1024]; U32 i; incRefCount(); F64 *curFloatTable; char *curStringTable; STR.clearFunctionOffset(); StringTableEntry thisFunctionName = NULL; bool popFrame = false; if(argv) { // assume this points into a function decl: U32 fnArgc = code[ip + 2 + 6]; thisFunctionName = CodeToSTE(code, ip); argc = getMin(argc-1, fnArgc); // argv[0] is func name if(gEvalState.traceOn) { traceBuffer[0] = 0; dStrcat(traceBuffer, "Entering "); if(packageName) { dStrcat(traceBuffer, "["); dStrcat(traceBuffer, packageName); dStrcat(traceBuffer, "]"); } if(thisNamespace && thisNamespace->mName) { dSprintf(traceBuffer + dStrlen(traceBuffer), sizeof(traceBuffer) - dStrlen(traceBuffer), "%s::%s(", thisNamespace->mName, thisFunctionName); } else { dSprintf(traceBuffer + dStrlen(traceBuffer), sizeof(traceBuffer) - dStrlen(traceBuffer), "%s(", thisFunctionName); } for(i = 0; i < argc; i++) { dStrcat(traceBuffer, argv[i+1]); if(i != argc - 1) dStrcat(traceBuffer, ", "); } dStrcat(traceBuffer, ")"); Con::printf("%s", traceBuffer); } gEvalState.pushFrame(thisFunctionName, thisNamespace); popFrame = true; for(i = 0; i < argc; i++) { StringTableEntry var = CodeToSTE(code, ip + (2 + 6 + 1) + (i * 2)); gEvalState.setCurVarNameCreate(var); gEvalState.setStringVariable(argv[i+1]); } ip = ip + (fnArgc * 2) + (2 + 6 + 1); curFloatTable = functionFloats; curStringTable = functionStrings; } else { curFloatTable = globalFloats; curStringTable = globalStrings; // Do we want this code to execute using a new stack frame? if (setFrame < 0) { gEvalState.pushFrame(NULL, NULL); popFrame = true; } else if (!gEvalState.stack.empty()) { // We want to copy a reference to an existing stack frame // on to the top of the stack. Any change that occurs to // the locals during this new frame will also occur in the // original frame. S32 stackIndex = gEvalState.stack.size() - setFrame - 1; gEvalState.pushFrameRef( stackIndex ); popFrame = true; } } // Grab the state of the telenet debugger here once // so that the push and pop frames are always balanced. const bool telDebuggerOn = TelDebugger && TelDebugger->isConnected(); if ( telDebuggerOn && setFrame < 0 ) TelDebugger->pushStackFrame(); // Notify the remote debugger. RemoteDebuggerBase* pRemoteDebugger = RemoteDebuggerBase::getRemoteDebugger(); if ( pRemoteDebugger != NULL && setFrame < 0 ) pRemoteDebugger->pushStackFrame(); StringTableEntry var, objParent; U32 failJump; StringTableEntry fnName; StringTableEntry fnNamespace, fnPackage; SimObject *currentNewObject = 0; StringTableEntry prevField = NULL; StringTableEntry curField = NULL; SimObject *prevObject = NULL; SimObject *curObject = NULL; SimObject *saveObject=NULL; Namespace::Entry *nsEntry; Namespace *ns; const char* curFNDocBlock = NULL; const char* curNSDocBlock = NULL; const S32 nsDocLength = 128; char nsDocBlockClass[nsDocLength]; U32 callArgc; const char **callArgv; static char curFieldArray[256]; static char prevFieldArray[256]; CodeBlock *saveCodeBlock = smCurrentCodeBlock; smCurrentCodeBlock = this; if(this->name) { Con::gCurrentFile = this->name; Con::gCurrentRoot = mRoot; } const char * val; // The frame temp is used by the variable accessor ops (OP_SAVEFIELD_* and // OP_LOADFIELD_*) to store temporary values for the fields. static S32 VAL_BUFFER_SIZE = 1024; FrameTemp valBuffer( VAL_BUFFER_SIZE ); for(;;) { U32 instruction = code[ip++]; breakContinue: switch(instruction) { case OP_FUNC_DECL: if(!noCalls) { fnName = CodeToSTE(code, ip); fnNamespace = CodeToSTE(code, ip+2); fnPackage = CodeToSTE(code, ip+4); bool hasBody = bool(code[ip+6]); Namespace::unlinkPackages(); ns = Namespace::find(fnNamespace, fnPackage); ns->addFunction(fnName, this, hasBody ? ip : 0, curFNDocBlock ? dStrdup( curFNDocBlock ) : NULL );// if no body, set the IP to 0 if( curNSDocBlock ) { if( fnNamespace == StringTable->lookup( nsDocBlockClass ) ) { char *usageStr = dStrdup( curNSDocBlock ); usageStr[dStrlen(usageStr)] = '\0'; ns->mUsage = usageStr; ns->mCleanUpUsage = true; curNSDocBlock = NULL; } } Namespace::relinkPackages(); // If we had a docblock, it's definitely not valid anymore, so clear it out. curFNDocBlock = NULL; //Con::printf("Adding function %s::%s (%d)", fnNamespace, fnName, ip); } ip = code[ip + 7]; break; case OP_CREATE_OBJECT: { // Read some useful info. objParent = CodeToSTE(code, ip); bool isDataBlock = code[ip + 2]; bool isInternal = code[ip + 3]; bool isMessage = code[ip + 4]; failJump = code[ip + 5]; // If we don't allow calls, we certainly don't allow creating objects! // Moved this to after failJump is set. Engine was crashing when // noCalls = true and an object was being created at the beginning of // a file. ADL. if(noCalls) { ip = failJump; break; } // Get the constructor information off the stack. STR.getArgcArgv(NULL, &callArgc, &callArgv, true); // Con::printf("Creating object..."); // objectName = argv[1]... currentNewObject = NULL; // Are we creating a datablock? If so, deal with case where we override // an old one. if(isDataBlock) { // Con::printf(" - is a datablock"); // Find the old one if any. SimObject *db = Sim::getDataBlockGroup()->findObject(callArgv[2]); // Make sure we're not changing types on ourselves... if(db && dStricmp(db->getClassName(), callArgv[1])) { Con::errorf(ConsoleLogEntry::General, "Cannot re-declare data block %s with a different class.", callArgv[2]); ip = failJump; break; } // If there was one, set the currentNewObject and move on. if(db) currentNewObject = db; } if(!currentNewObject) { // Well, looks like we have to create a new object. ConsoleObject *object = ConsoleObject::create(callArgv[1]); // Deal with failure! if(!object) { Con::errorf(ConsoleLogEntry::General, "%s: Unable to instantiate non-conobject class %s.", getFileLine(ip-1), callArgv[1]); ip = failJump; break; } // Do special datablock init if appropros if(isDataBlock) { SimDataBlock *dataBlock = dynamic_cast(object); if(dataBlock) { dataBlock->assignId(); } else { // They tried to make a non-datablock with a datablock keyword! Con::errorf(ConsoleLogEntry::General, "%s: Unable to instantiate non-datablock class %s.", getFileLine(ip-1), callArgv[1]); // Clean up... delete object; ip = failJump; break; } } // Finally, set currentNewObject to point to the new one. currentNewObject = dynamic_cast(object); // Deal with the case of a non-SimObject. if(!currentNewObject) { Con::errorf(ConsoleLogEntry::General, "%s: Unable to instantiate non-SimObject class %s.", getFileLine(ip-1), callArgv[1]); delete object; ip = failJump; break; } // Does it have a parent object? (ie, the copy constructor : syntax, not inheriance) // [tom, 9/8/2006] it is inheritance if it's a message ... muwahahah! if(!isMessage && *objParent) { // Find it! SimObject *parent; if(Sim::findObject(objParent, parent)) { // Con::printf(" - Parent object found: %s", parent->getClassName()); // and suck the juices from it! currentNewObject->assignFieldsFrom(parent); } else Con::errorf(ConsoleLogEntry::General, "%s: Unable to find parent object %s for %s.", getFileLine(ip-1), objParent, callArgv[1]); // Mm! Juices! } // If a name was passed, assign it. if(callArgv[2][0]) { if(! isMessage) { if(! isInternal) currentNewObject->assignName(callArgv[2]); else currentNewObject->setInternalName(callArgv[2]); } else { Message *msg = dynamic_cast(currentNewObject); if(msg) { msg->setClassNamespace(callArgv[2]); msg->setSuperClassNamespace(objParent); } else { Con::errorf(ConsoleLogEntry::General, "%s: Attempting to use newmsg on non-message type %s", getFileLine(ip-1), callArgv[1]); delete currentNewObject; currentNewObject = NULL; ip = failJump; break; } } } // Do the constructor parameters. if(!currentNewObject->processArguments(callArgc-3, callArgv+3)) { delete currentNewObject; currentNewObject = NULL; ip = failJump; break; } // If it's not a datablock, allow people to modify bits of it. if(!isDataBlock) { currentNewObject->setModStaticFields(true); currentNewObject->setModDynamicFields(true); } } // Advance the IP past the create info... ip += 6; break; } case OP_ADD_OBJECT: { // See OP_SETCURVAR for why we do this. curFNDocBlock = NULL; curNSDocBlock = NULL; // Do we place this object at the root? bool placeAtRoot = code[ip++]; // Con::printf("Adding object %s", currentNewObject->getName()); // Make sure it wasn't already added, then add it. if (currentNewObject == NULL) { break; } if(currentNewObject->isProperlyAdded() == false) { bool ret = false; Message *msg = dynamic_cast(currentNewObject); if(msg) { SimObjectId id = Message::getNextMessageID(); if(id != 0xffffffff) ret = currentNewObject->registerObject(id); else Con::errorf("%s: No more object IDs available for messages", getFileLine(ip-2)); } else ret = currentNewObject->registerObject(); if(! ret) { // This error is usually caused by failing to call Parent::initPersistFields in the class' initPersistFields(). Con::warnf(ConsoleLogEntry::General, "%s: Register object failed for object %s of class %s.", getFileLine(ip-2), currentNewObject->getName(), currentNewObject->getClassName()); delete currentNewObject; ip = failJump; break; } } // Are we dealing with a datablock? SimDataBlock *dataBlock = dynamic_cast(currentNewObject); static char errorBuffer[256]; // If so, preload it. if(dataBlock && !dataBlock->preload(true, errorBuffer)) { Con::errorf(ConsoleLogEntry::General, "%s: preload failed for %s: %s.", getFileLine(ip-2), currentNewObject->getName(), errorBuffer); dataBlock->deleteObject(); ip = failJump; break; } // What group will we be added to, if any? U32 groupAddId = (U32)intStack[UINT]; SimGroup *grp = NULL; SimSet *set = NULL; SimComponent *comp = NULL; bool isMessage = dynamic_cast(currentNewObject) != NULL; if(!placeAtRoot || !currentNewObject->getGroup()) { if(! isMessage) { if(! placeAtRoot) { // Otherwise just add to the requested group or set. if(!Sim::findObject(groupAddId, grp)) if(!Sim::findObject(groupAddId, comp)) Sim::findObject(groupAddId, set); } if(placeAtRoot || comp != NULL) { // Deal with the instantGroup if we're being put at the root or we're adding to a component. const char *addGroupName = Con::getVariable("instantGroup"); if(!Sim::findObject(addGroupName, grp)) Sim::findObject(RootGroupId, grp); } if(comp) { SimComponent *newComp = dynamic_cast(currentNewObject); if(newComp) { if(! comp->addComponent(newComp)) Con::errorf("%s: Unable to add component %s, template not loaded?", getFileLine(ip-2), currentNewObject->getName() ? currentNewObject->getName() : currentNewObject->getIdString()); } } } // If we didn't get a group, then make sure we have a pointer to // the rootgroup. if(!grp) Sim::findObject(RootGroupId, grp); // add to the parent group grp->addObject(currentNewObject); // add to any set we might be in if(set) set->addObject(currentNewObject); } // store the new object's ID on the stack (overwriting the group/set // id, if one was given, otherwise getting pushed) if(placeAtRoot) intStack[UINT] = currentNewObject->getId(); else intStack[++UINT] = currentNewObject->getId(); break; } case OP_END_OBJECT: { // If we're not to be placed at the root, make sure we clean up // our group reference. bool placeAtRoot = code[ip++]; if(!placeAtRoot) UINT--; break; } case OP_JMPIFFNOT: if(floatStack[FLT--]) { ip++; break; } ip = code[ip]; break; case OP_JMPIFNOT: if(intStack[UINT--]) { ip++; break; } ip = code[ip]; break; case OP_JMPIFF: if(!floatStack[FLT--]) { ip++; break; } ip = code[ip]; break; case OP_JMPIF: if(!intStack[UINT--]) { ip ++; break; } ip = code[ip]; break; case OP_JMPIFNOT_NP: if(intStack[UINT]) { UINT--; ip++; break; } ip = code[ip]; break; case OP_JMPIF_NP: if(!intStack[UINT]) { UINT--; ip++; break; } ip = code[ip]; break; case OP_JMP: ip = code[ip]; break; case OP_RETURN: goto execFinished; case OP_CMPEQ: intStack[UINT+1] = bool(floatStack[FLT] == floatStack[FLT-1]); UINT++; FLT -= 2; break; case OP_CMPGR: intStack[UINT+1] = bool(floatStack[FLT] > floatStack[FLT-1]); UINT++; FLT -= 2; break; case OP_CMPGE: intStack[UINT+1] = bool(floatStack[FLT] >= floatStack[FLT-1]); UINT++; FLT -= 2; break; case OP_CMPLT: intStack[UINT+1] = bool(floatStack[FLT] < floatStack[FLT-1]); UINT++; FLT -= 2; break; case OP_CMPLE: intStack[UINT+1] = bool(floatStack[FLT] <= floatStack[FLT-1]); UINT++; FLT -= 2; break; case OP_CMPNE: intStack[UINT+1] = bool(floatStack[FLT] != floatStack[FLT-1]); UINT++; FLT -= 2; break; case OP_XOR: intStack[UINT-1] = intStack[UINT] ^ intStack[UINT-1]; UINT--; break; case OP_MOD: if( intStack[UINT-1] != 0 ) intStack[UINT-1] = intStack[UINT] % intStack[UINT-1]; else intStack[UINT-1] = 0; UINT--; break; case OP_BITAND: intStack[UINT-1] = intStack[UINT] & intStack[UINT-1]; UINT--; break; case OP_BITOR: intStack[UINT-1] = intStack[UINT] | intStack[UINT-1]; UINT--; break; case OP_NOT: intStack[UINT] = !intStack[UINT]; break; case OP_NOTF: intStack[UINT+1] = !floatStack[FLT]; FLT--; UINT++; break; case OP_ONESCOMPLEMENT: intStack[UINT] = ~intStack[UINT]; break; case OP_SHR: intStack[UINT-1] = intStack[UINT] >> intStack[UINT-1]; UINT--; break; case OP_SHL: intStack[UINT-1] = intStack[UINT] << intStack[UINT-1]; UINT--; break; case OP_AND: intStack[UINT-1] = intStack[UINT] && intStack[UINT-1]; UINT--; break; case OP_OR: intStack[UINT-1] = intStack[UINT] || intStack[UINT-1]; UINT--; break; case OP_ADD: floatStack[FLT-1] = floatStack[FLT] + floatStack[FLT-1]; FLT--; break; case OP_SUB: floatStack[FLT-1] = floatStack[FLT] - floatStack[FLT-1]; FLT--; break; case OP_MUL: floatStack[FLT-1] = floatStack[FLT] * floatStack[FLT-1]; FLT--; break; case OP_DIV: floatStack[FLT-1] = floatStack[FLT] / floatStack[FLT-1]; FLT--; break; case OP_NEG: floatStack[FLT] = -floatStack[FLT]; break; case OP_SETCURVAR: var = CodeToSTE(code, ip); ip += 2; // If a variable is set, then these must be NULL. It is necessary // to set this here so that the vector parser can appropriately // identify whether it's dealing with a vector. prevField = NULL; prevObject = NULL; curObject = NULL; gEvalState.setCurVarName(var); // In order to let docblocks work properly with variables, we have // clear the current docblock when we do an assign. This way it // won't inappropriately carry forward to following function decls. curFNDocBlock = NULL; curNSDocBlock = NULL; break; case OP_SETCURVAR_CREATE: var = CodeToSTE(code, ip); ip += 2; // See OP_SETCURVAR prevField = NULL; prevObject = NULL; curObject = NULL; gEvalState.setCurVarNameCreate(var); // See OP_SETCURVAR for why we do this. curFNDocBlock = NULL; curNSDocBlock = NULL; break; case OP_SETCURVAR_ARRAY: var = STR.getSTValue(); // See OP_SETCURVAR prevField = NULL; prevObject = NULL; curObject = NULL; gEvalState.setCurVarName(var); // See OP_SETCURVAR for why we do this. curFNDocBlock = NULL; curNSDocBlock = NULL; break; case OP_SETCURVAR_ARRAY_CREATE: var = STR.getSTValue(); // See OP_SETCURVAR prevField = NULL; prevObject = NULL; curObject = NULL; gEvalState.setCurVarNameCreate(var); // See OP_SETCURVAR for why we do this. curFNDocBlock = NULL; curNSDocBlock = NULL; break; case OP_LOADVAR_UINT: intStack[UINT+1] = gEvalState.getIntVariable(); UINT++; break; case OP_LOADVAR_FLT: floatStack[FLT+1] = gEvalState.getFloatVariable(); FLT++; break; case OP_LOADVAR_STR: val = gEvalState.getStringVariable(); STR.setStringValue(val); break; case OP_SAVEVAR_UINT: gEvalState.setIntVariable((S32)intStack[UINT]); break; case OP_SAVEVAR_FLT: gEvalState.setFloatVariable(floatStack[FLT]); break; case OP_SAVEVAR_STR: gEvalState.setStringVariable(STR.getStringValue()); break; case OP_SETCUROBJECT: // Save the previous object for parsing vector fields. prevObject = curObject; val = STR.getStringValue(); // Sim::findObject will sometimes find valid objects from // multi-component strings. This makes sure that doesn't // happen. for( const char* check = val; *check; check++ ) { if( *check == ' ' ) { val = ""; break; } } curObject = Sim::findObject(val); break; case OP_SETCUROBJECT_INTERNAL: ++ip; // To skip the recurse flag if the object wasnt found if(curObject) { SimGroup *group = dynamic_cast(curObject); if(group) { StringTableEntry intName = StringTable->insert(STR.getStringValue()); bool recurse = code[ip-1]; SimObject *obj = group->findObjectByInternalName(intName, recurse); intStack[UINT+1] = obj ? obj->getId() : 0; UINT++; } else { Con::errorf(ConsoleLogEntry::Script, "%s: Attempt to use -> on non-group %s of class %s.", getFileLine(ip-2), curObject->getName(), curObject->getClassName()); intStack[UINT] = 0; } } break; case OP_SETCUROBJECT_NEW: curObject = currentNewObject; break; case OP_SETCURFIELD: // Save the previous field for parsing vector fields. prevField = curField; dStrcpy( prevFieldArray, curFieldArray ); curField = CodeToSTE(code, ip); curFieldArray[0] = 0; ip += 2; break; case OP_SETCURFIELD_ARRAY: dStrcpy(curFieldArray, STR.getStringValue()); break; case OP_LOADFIELD_UINT: if(curObject) intStack[UINT+1] = U32(dAtoi(curObject->getDataField(curField, curFieldArray))); else { // The field is not being retrieved from an object. Maybe it's // a special accessor? getFieldComponent( prevObject, prevField, prevFieldArray, curField, valBuffer, VAL_BUFFER_SIZE ); intStack[UINT+1] = dAtoi( valBuffer ); } UINT++; break; case OP_LOADFIELD_FLT: if(curObject) floatStack[FLT+1] = dAtof(curObject->getDataField(curField, curFieldArray)); else { // The field is not being retrieved from an object. Maybe it's // a special accessor? getFieldComponent( prevObject, prevField, prevFieldArray, curField, valBuffer, VAL_BUFFER_SIZE ); floatStack[FLT+1] = dAtof( valBuffer ); } FLT++; break; case OP_LOADFIELD_STR: if(curObject) { val = curObject->getDataField(curField, curFieldArray); STR.setStringValue( val ); } else { // The field is not being retrieved from an object. Maybe it's // a special accessor? getFieldComponent( prevObject, prevField, prevFieldArray, curField, valBuffer, VAL_BUFFER_SIZE ); STR.setStringValue( valBuffer ); } break; case OP_SAVEFIELD_UINT: STR.setIntValue((U32)intStack[UINT]); if(curObject) curObject->setDataField(curField, curFieldArray, STR.getStringValue()); else { // The field is not being set on an object. Maybe it's // a special accessor? setFieldComponent( prevObject, prevField, prevFieldArray, curField ); prevObject = NULL; } break; case OP_SAVEFIELD_FLT: STR.setFloatValue(floatStack[FLT]); if(curObject) curObject->setDataField(curField, curFieldArray, STR.getStringValue()); else { // The field is not being set on an object. Maybe it's // a special accessor? setFieldComponent( prevObject, prevField, prevFieldArray, curField ); prevObject = NULL; } break; case OP_SAVEFIELD_STR: if(curObject) curObject->setDataField(curField, curFieldArray, STR.getStringValue()); else { // The field is not being set on an object. Maybe it's // a special accessor? setFieldComponent( prevObject, prevField, prevFieldArray, curField ); prevObject = NULL; } break; case OP_STR_TO_UINT: intStack[UINT+1] = STR.getIntValue(); UINT++; break; case OP_STR_TO_FLT: floatStack[FLT+1] = STR.getFloatValue(); FLT++; break; case OP_STR_TO_NONE: // This exists simply to deal with certain typecast situations. break; case OP_FLT_TO_UINT: intStack[UINT+1] = (S64)floatStack[FLT]; FLT--; UINT++; break; case OP_FLT_TO_STR: STR.setFloatValue(floatStack[FLT]); FLT--; break; case OP_FLT_TO_NONE: FLT--; break; case OP_UINT_TO_FLT: floatStack[FLT+1] = (F64)intStack[UINT]; UINT--; FLT++; break; case OP_UINT_TO_STR: STR.setIntValue((U32)intStack[UINT]); UINT--; break; case OP_UINT_TO_NONE: UINT--; break; case OP_LOADIMMED_UINT: intStack[UINT+1] = code[ip++]; UINT++; break; case OP_LOADIMMED_FLT: floatStack[FLT+1] = curFloatTable[code[ip]]; ip++; FLT++; break; case OP_TAG_TO_STR: code[ip-1] = OP_LOADIMMED_STR; // it's possible the string has already been converted if(U8(curStringTable[code[ip]]) != StringTagPrefixByte) { U32 id = GameAddTaggedString(curStringTable + code[ip]); dSprintf(curStringTable + code[ip] + 1, 7, "%d", id); *(curStringTable + code[ip]) = StringTagPrefixByte; } case OP_LOADIMMED_STR: STR.setStringValue(curStringTable + code[ip++]); break; case OP_DOCBLOCK_STR: { // If the first word of the doc is '\class' or '@class', then this // is a namespace doc block, otherwise it is a function doc block. const char* docblock = curStringTable + code[ip++]; const char* sansClass = dStrstr( docblock, "@class" ); if( !sansClass ) sansClass = dStrstr( docblock, "\\class" ); if( sansClass ) { // Don't save the class declaration. Scan past the 'class' // keyword and up to the first whitespace. sansClass += 7; S32 index = 0; while( ( *sansClass != ' ' ) && ( *sansClass != '\n' ) && *sansClass && ( index < ( nsDocLength - 1 ) ) ) { nsDocBlockClass[index++] = *sansClass; sansClass++; } nsDocBlockClass[index] = '\0'; curNSDocBlock = sansClass + 1; } else curFNDocBlock = docblock; } break; case OP_LOADIMMED_IDENT: STR.setStringValue(CodeToSTE(code, ip)); ip += 2; break; case OP_CALLFUNC_RESOLVE: // This deals with a function that is potentially living in a namespace. fnNamespace = CodeToSTE(code, ip+2); fnName = CodeToSTE(code, ip); // Try to look it up. ns = Namespace::find(fnNamespace); nsEntry = ns->lookup(fnName); if(!nsEntry) { ip+= 5; Con::warnf(ConsoleLogEntry::General, "%s: Unable to find function %s%s%s", getFileLine(ip-4), fnNamespace ? fnNamespace : "", fnNamespace ? "::" : "", fnName); STR.popFrame(); break; } // Now, rewrite our code a bit (ie, avoid future lookups) and fall // through to OP_CALLFUNC #ifdef TORQUE_CPU_X64 *((U64*)(code+ip+2)) = ((U64)nsEntry); #else code[ip+2] = ((U32)nsEntry); #endif code[ip-1] = OP_CALLFUNC; case OP_CALLFUNC: { // This routingId is set when we query the object as to whether // it handles this method. It is set to an enum from the table // above indicating whether it handles it on a component it owns // or just on the object. S32 routingId = 0; fnName = CodeToSTE(code, ip); //if this is called from inside a function, append the ip and codeptr if (!gEvalState.stack.empty()) { gEvalState.stack.last()->code = this; gEvalState.stack.last()->ip = ip - 1; } U32 callType = code[ip+4]; ip += 5; STR.getArgcArgv(fnName, &callArgc, &callArgv); if(callType == FuncCallExprNode::FunctionCall) { #ifdef TORQUE_CPU_X64 nsEntry = ((Namespace::Entry *) *((U64*)(code+ip-3))); #else nsEntry = ((Namespace::Entry *) *(code+ip-3)); #endif ns = NULL; } else if(callType == FuncCallExprNode::MethodCall) { saveObject = gEvalState.thisObject; gEvalState.thisObject = Sim::findObject(callArgv[1]); if(!gEvalState.thisObject) { gEvalState.thisObject = 0; Con::warnf(ConsoleLogEntry::General,"%s: Unable to find object: '%s' attempting to call function '%s'", getFileLine(ip-6), callArgv[1], fnName); STR.popFrame(); // [neo, 5/7/2007 - #2974] STR.setStringValue(""); break; } bool handlesMethod = gEvalState.thisObject->handlesConsoleMethod(fnName,&routingId); if( handlesMethod && routingId == MethodOnComponent ) { DynamicConsoleMethodComponent *pComponent = dynamic_cast( gEvalState.thisObject ); if( pComponent ) pComponent->callMethodArgList( callArgc, callArgv, false ); } ns = gEvalState.thisObject->getNamespace(); if(ns) nsEntry = ns->lookup(fnName); else nsEntry = NULL; } else // it's a ParentCall { if(thisNamespace) { ns = thisNamespace->mParent; if(ns) nsEntry = ns->lookup(fnName); else nsEntry = NULL; } else { ns = NULL; nsEntry = NULL; } } S32 nsType = -1; S32 nsMinArgs = 0; S32 nsMaxArgs = 0; Namespace::Entry::CallbackUnion * nsCb = NULL; //Namespace::Entry::CallbackUnion cbu; const char * nsUsage = NULL; if (nsEntry) { nsType = nsEntry->mType; nsMinArgs = nsEntry->mMinArgs; nsMaxArgs = nsEntry->mMaxArgs; nsCb = &nsEntry->cb; nsUsage = nsEntry->mUsage; routingId = 0; } if(!nsEntry || noCalls) { if(!noCalls && !( routingId == MethodOnComponent ) ) { Con::warnf(ConsoleLogEntry::General,"%s: Unknown command %s.", getFileLine(ip-6), fnName); if(callType == FuncCallExprNode::MethodCall) { Con::warnf(ConsoleLogEntry::General, " Object %s(%d) %s", gEvalState.thisObject->getName() ? gEvalState.thisObject->getName() : "", gEvalState.thisObject->getId(), getNamespaceList(ns) ); } } STR.popFrame(); STR.setStringValue(""); break; } if(nsEntry->mType == Namespace::Entry::ScriptFunctionType) { const char *ret = ""; if(nsEntry->mFunctionOffset) ret = nsEntry->mCode->exec(nsEntry->mFunctionOffset, fnName, nsEntry->mNamespace, callArgc, callArgv, false, nsEntry->mPackage); STR.popFrame(); STR.setStringValue(ret); } else { const char* nsName = ns? ns->mName: ""; if((nsEntry->mMinArgs && S32(callArgc) < nsEntry->mMinArgs) || (nsEntry->mMaxArgs && S32(callArgc) > nsEntry->mMaxArgs)) { Con::warnf(ConsoleLogEntry::Script, "%s: %s::%s - wrong number of arguments.", getFileLine(ip-6), nsName, fnName); Con::warnf(ConsoleLogEntry::Script, "%s: usage: %s", getFileLine(ip-4), nsEntry->mUsage); STR.popFrame(); } else { switch(nsEntry->mType) { case Namespace::Entry::StringCallbackType: { const char *ret = nsEntry->cb.mStringCallbackFunc(gEvalState.thisObject, callArgc, callArgv); STR.popFrame(); if(ret != STR.getStringValue()) STR.setStringValue(ret); else STR.setLen(dStrlen(ret)); break; } case Namespace::Entry::IntCallbackType: { S32 result = nsEntry->cb.mIntCallbackFunc(gEvalState.thisObject, callArgc, callArgv); STR.popFrame(); if(code[ip] == OP_STR_TO_UINT) { ip++; intStack[++UINT] = result; break; } else if(code[ip] == OP_STR_TO_FLT) { ip++; floatStack[++FLT] = result; break; } else if(code[ip] == OP_STR_TO_NONE) ip++; else STR.setIntValue(result); break; } case Namespace::Entry::FloatCallbackType: { F64 result = nsEntry->cb.mFloatCallbackFunc(gEvalState.thisObject, callArgc, callArgv); STR.popFrame(); if(code[ip] == OP_STR_TO_UINT) { ip++; intStack[++UINT] = (S64)result; break; } else if(code[ip] == OP_STR_TO_FLT) { ip++; floatStack[++FLT] = result; break; } else if(code[ip] == OP_STR_TO_NONE) ip++; else STR.setFloatValue(result); break; } case Namespace::Entry::VoidCallbackType: nsEntry->cb.mVoidCallbackFunc(gEvalState.thisObject, callArgc, callArgv); if(code[ip] != OP_STR_TO_NONE) Con::warnf(ConsoleLogEntry::General, "%s: Call to %s in %s uses result of void function call.", getFileLine(ip-6), fnName, functionName); STR.popFrame(); STR.setStringValue(""); break; case Namespace::Entry::BoolCallbackType: { bool result = nsEntry->cb.mBoolCallbackFunc(gEvalState.thisObject, callArgc, callArgv); STR.popFrame(); if(code[ip] == OP_STR_TO_UINT) { ip++; intStack[++UINT] = result; break; } else if(code[ip] == OP_STR_TO_FLT) { ip++; floatStack[++FLT] = result; break; } else if(code[ip] == OP_STR_TO_NONE) ip++; else STR.setIntValue(result); break; } } } } if(callType == FuncCallExprNode::MethodCall) gEvalState.thisObject = saveObject; break; } case OP_ADVANCE_STR: STR.advance(); break; case OP_ADVANCE_STR_APPENDCHAR: STR.advanceChar(code[ip++]); break; case OP_ADVANCE_STR_COMMA: STR.advanceChar('_'); break; case OP_ADVANCE_STR_NUL: STR.advanceChar(0); break; case OP_REWIND_STR: STR.rewind(); break; case OP_TERMINATE_REWIND_STR: STR.rewindTerminate(); break; case OP_COMPARE_STR: intStack[++UINT] = STR.compare(); break; case OP_PUSH: STR.push(); break; case OP_PUSH_FRAME: STR.pushFrame(); break; case OP_BREAK: { //append the ip and codeptr before managing the breakpoint! AssertFatal( !gEvalState.stack.empty(), "Empty eval stack on break!"); gEvalState.stack.last()->code = this; gEvalState.stack.last()->ip = ip - 1; U32 breakLine; findBreakLine(ip-1, breakLine, instruction); if(!breakLine) goto breakContinue; TelDebugger->executionStopped(this, breakLine); // Notify the remote debugger. if ( pRemoteDebugger != NULL ) pRemoteDebugger->executionStopped(this, breakLine); goto breakContinue; } case OP_INVALID: default: // error! goto execFinished; } } execFinished: if ( telDebuggerOn && setFrame < 0 ) TelDebugger->popStackFrame(); // Notify the remote debugger. if ( pRemoteDebugger != NULL && setFrame < 0 ) pRemoteDebugger->popStackFrame(); if ( popFrame ) gEvalState.popFrame(); if(argv) { if(gEvalState.traceOn) { traceBuffer[0] = 0; dStrcat(traceBuffer, "Leaving "); if(packageName) { dStrcat(traceBuffer, "["); dStrcat(traceBuffer, packageName); dStrcat(traceBuffer, "]"); } if(thisNamespace && thisNamespace->mName) { dSprintf(traceBuffer + dStrlen(traceBuffer), sizeof(traceBuffer) - dStrlen(traceBuffer), "%s::%s() - return %s", thisNamespace->mName, thisFunctionName, STR.getStringValue()); } else { dSprintf(traceBuffer + dStrlen(traceBuffer), sizeof(traceBuffer) - dStrlen(traceBuffer), "%s() - return %s", thisFunctionName, STR.getStringValue()); } Con::printf("%s", traceBuffer); } } else { delete[] const_cast(globalStrings); delete[] globalFloats; globalStrings = NULL; globalFloats = NULL; } smCurrentCodeBlock = saveCodeBlock; if(saveCodeBlock && saveCodeBlock->name) { Con::gCurrentFile = saveCodeBlock->name; Con::gCurrentRoot = saveCodeBlock->mRoot; } decRefCount(); #ifdef TORQUE_DEBUG AssertFatal(!(STR.mStartStackSize > stackStart), "String stack not popped enough in script exec"); AssertFatal(!(STR.mStartStackSize < stackStart), "String stack popped too much in script exec"); #endif return STR.getStringValue(); } //------------------------------------------------------------