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- {
- Examples:
- ./testpassrc --suite=TTestResolver.TestEmpty
- }
- (*
- CheckReferenceDirectives:
- {#a} label "a", labels all elements at the following token
- {@a} reference "a", search at next token for an element e with
- TResolvedReference(e.CustomData).Declaration points to an element
- labeled "a".
- {=a} is "a", search at next token for a TPasAliasType t with t.DestType
- points to an element labeled "a"
- *)
- unit tcresolver;
- {$mode objfpc}{$H+}
- interface
- uses
- Classes, SysUtils, contnrs, strutils, fpcunit, testregistry,
- PasTree, PScanner, PParser, PasResolver, PasResolveEval,
- tcbaseparser;
- type
- TSrcMarkerKind = (
- mkLabel,
- mkResolverReference,
- mkDirectReference
- );
- PSrcMarker = ^TSrcMarker;
- TSrcMarker = record
- Kind: TSrcMarkerKind;
- Filename: string;
- Row: cardinal;
- StartCol, EndCol: integer; // token start, end column
- Identifier: string;
- Next: PSrcMarker;
- end;
- const
- SrcMarker: array[TSrcMarkerKind] of char = (
- '#', // mkLabel
- '@', // mkResolverReference
- '=' // mkDirectReference
- );
- type
- TOnFindUnit = function(Sender: TPasResolver;
- const aUnitName, InFilename: String;
- NameExpr, InFileExpr: TPasExpr): TPasModule of object;
- TOnContinueParsing = procedure(Sender: TPasResolver) of object;
- { TTestEnginePasResolver }
- TTestEnginePasResolver = class(TPasResolver)
- private
- FFilename: string;
- FModule: TPasModule;
- FOnFindUnit: TOnFindUnit;
- FParser: TPasParser;
- FStreamResolver: TStreamResolver;
- FScanner: TPascalScanner;
- FSource: string;
- procedure SetModule(AValue: TPasModule);
- public
- constructor Create;
- destructor Destroy; override;
- procedure ReleaseUsedUnits;
- function CreateElement(AClass: TPTreeElement; const AName: String;
- AParent: TPasElement; AVisibility: TPasMemberVisibility;
- const ASrcPos: TPasSourcePos): TPasElement;
- overload; override;
- function FindUnit(const AName, InFilename: String; NameExpr,
- InFileExpr: TPasExpr): TPasModule; override;
- procedure UsedInterfacesFinished(Section: TPasSection); override;
- property OnFindUnit: TOnFindUnit read FOnFindUnit write FOnFindUnit;
- property Filename: string read FFilename write FFilename;
- property StreamResolver: TStreamResolver read FStreamResolver write FStreamResolver;
- property Scanner: TPascalScanner read FScanner write FScanner;
- property Parser: TPasParser read FParser write FParser;
- property Source: string read FSource write FSource;
- property Module: TPasModule read FModule write SetModule;
- end;
- { TTestResolverMessage }
- TTestResolverMessage = class
- public
- Id: int64;
- MsgType: TMessageType;
- MsgNumber: integer;
- Msg: string;
- SourcePos: TPasSourcePos;
- end;
- TTestResolverReferenceData = record
- Filename: string;
- Row: integer;
- StartCol: integer;
- EndCol: integer;
- Found: TFPList; // list of TPasElement at this token
- end;
- PTestResolverReferenceData = ^TTestResolverReferenceData;
- TSystemUnitPart = (
- supTObject,
- supTVarRec
- );
- TSystemUnitParts = set of TSystemUnitPart;
- { TCustomTestResolver }
- TCustomTestResolver = Class(TTestParser)
- Private
- {$IF defined(VerbosePasResolver) or defined(VerbosePasResolverMem)}
- FStartElementRefCount: int64;
- {$ENDIF}
- FFirstStatement: TPasImplBlock;
- FModules: TObjectList;// list of TTestEnginePasResolver
- FResolverEngine: TTestEnginePasResolver;
- FResolverMsgs: TObjectList; // list of TTestResolverMessage
- FResolverGoodMsgs: TFPList; // list of TTestResolverMessage marked as expected
- function GetModuleCount: integer;
- function GetModules(Index: integer): TTestEnginePasResolver;
- function GetMsgCount: integer;
- function GetMsgs(Index: integer): TTestResolverMessage;
- procedure OnPasResolverContinueParsing(Sender: TPasResolver);
- function OnPasResolverFindUnit(SrcResolver: TPasResolver;
- const aUnitName, InFilename: String; NameExpr, InFileExpr: TPasExpr): TPasModule;
- procedure OnFindReference(El: TPasElement; FindData: pointer);
- procedure OnCheckElementParent(El: TPasElement; arg: pointer);
- procedure FreeSrcMarkers;
- procedure OnPasResolverLog(Sender: TObject; const Msg: String);
- procedure ScannerDirective(Sender: TObject; Directive, Param: String;
- var Handled: boolean);
- Protected
- FirstSrcMarker, LastSrcMarker: PSrcMarker;
- Procedure SetUp; override;
- Procedure TearDown; override;
- procedure CreateEngine(var TheEngine: TPasTreeContainer); override;
- procedure ParseModule; override;
- procedure ParseProgram; virtual;
- procedure ParseUnit; virtual;
- procedure CheckReferenceDirectives; virtual;
- procedure CheckResolverHint(MsgType: TMessageType; MsgNumber: integer;
- Msg: string; Marker: PSrcMarker = nil); virtual;
- procedure CheckResolverUnexpectedHints(WithSourcePos: boolean = false); virtual;
- procedure CheckResolverException(Msg: string; MsgNumber: integer);
- procedure CheckParserException(Msg: string; MsgNumber: integer);
- procedure CheckAccessMarkers; virtual;
- procedure CheckParamsExpr_pkSet_Markers; virtual;
- procedure CheckAttributeMarkers; virtual;
- procedure GetSrc(Index: integer; out SrcLines: TStringList; out aFilename: string);
- function FindElementsAt(aFilename: string; aLine, aStartCol, aEndCol: integer): TFPList;// list of TPasElement
- function FindElementsAt(aMarker: PSrcMarker; ErrorOnNoElements: boolean = true): TFPList;// list of TPasElement
- function FindSrcLabel(const Identifier: string): PSrcMarker;
- function FindElementsAtSrcLabel(const Identifier: string; ErrorOnNoElements: boolean = true): TFPList;// list of TPasElement
- procedure WriteSources(const aFilename: string; aRow, aCol: integer);
- procedure RaiseErrorAtSrc(Msg: string; const aFilename: string; aRow, aCol: integer);
- procedure RaiseErrorAtSrcMarker(Msg: string; aMarker: PSrcMarker);
- procedure HandleError(CurEngine: TTestEnginePasResolver; E: Exception);
- Public
- constructor Create; override;
- destructor Destroy; override;
- function FindModuleWithFilename(aFilename: string): TTestEnginePasResolver;
- function AddModule(aFilename: string): TTestEnginePasResolver;
- function AddModuleWithSrc(aFilename, Src: string): TTestEnginePasResolver;
- function AddModuleWithIntfImplSrc(aFilename, InterfaceSrc,
- ImplementationSrc: string): TTestEnginePasResolver;
- procedure AddSystemUnit(Parts: TSystemUnitParts = []);
- procedure StartProgram(NeedSystemUnit: boolean; SystemUnitParts: TSystemUnitParts = []);
- procedure StartUnit(NeedSystemUnit: boolean);
- property Modules[Index: integer]: TTestEnginePasResolver read GetModules;
- property ModuleCount: integer read GetModuleCount;
- property ResolverEngine: TTestEnginePasResolver read FResolverEngine;
- property MsgCount: integer read GetMsgCount;
- property Msgs[Index: integer]: TTestResolverMessage read GetMsgs;
- end;
- { TTestResolver }
- TTestResolver = Class(TCustomTestResolver)
- Published
- Procedure TestEmpty;
- // alias
- Procedure TestAliasType;
- Procedure TestAlias2Type;
- Procedure TestAliasTypeRefs;
- Procedure TestAliasOfVarFail;
- Procedure TestAliasType_UnitPrefix;
- Procedure TestAliasType_UnitPrefix_CycleFail;
- Procedure TestAliasTypeNotFoundPosition;
- Procedure TestTypeAliasType;
- // vars, const
- Procedure TestVarLongint;
- Procedure TestVarInteger;
- Procedure TestConstInteger;
- Procedure TestConstInteger2;
- Procedure TestDuplicateVar;
- Procedure TestVarInitConst;
- Procedure TestVarOfVarFail;
- Procedure TestConstOfVarFail;
- Procedure TestTypedConstWrongExprFail;
- Procedure TestVarWrongExprFail;
- Procedure TestArgWrongExprFail;
- Procedure TestTypedConstInConstExprFail;
- Procedure TestVarExternal;
- Procedure TestVarNoSemicolonBeginFail;
- Procedure TestConstIntOperators;
- Procedure TestConstBitwiseOps;
- Procedure TestConstExternal;
- Procedure TestIntegerTypeCast;
- Procedure TestConstFloatOperators;
- Procedure TestFloatTypeCast;
- Procedure TestCurrency;
- Procedure TestWritableConst;
- Procedure TestWritableConst_AssignFail;
- Procedure TestWritableConst_PassVarFail;
- // boolean
- Procedure TestBoolTypeCast;
- Procedure TestConstBoolOperators;
- Procedure TestBoolSet_Const;
- Procedure TestBool_ForIn;
- Procedure TestBool_Assert;
- Procedure TestBool_AssertSysutils;
- // integer range
- Procedure TestIntegerRange;
- Procedure TestIntegerRangeHighLowerLowFail;
- Procedure TestIntegerRangeLowHigh;
- Procedure TestAssignIntRangeWarning;
- Procedure TestByteRangeWarning;
- Procedure TestByteRangeWarningOff;
- Procedure TestCustomIntRangeWarning;
- Procedure TestIntSet_Const;
- Procedure TestIntSet_ConstDuplicateElement;
- Procedure TestInt_ForIn;
- // strings
- Procedure TestChar_BuiltInProcs;
- Procedure TestString_BuiltInProcs;
- Procedure TestString_Element;
- Procedure TestStringElement_MissingArgFail;
- Procedure TestStringElement_IndexNonIntFail;
- Procedure TestStringElement_AsVarArgFail;
- Procedure TestString_DoubleQuotesFail;
- Procedure TestString_ShortstringType;
- Procedure TestConstStringOperators;
- Procedure TestConstUnicodeStringOperators;
- Procedure TestCharSet_Const;
- Procedure TestCharSet_Custom;
- Procedure TestCharAssignStringFail;
- Procedure TestChar_ForIn;
- // enums and sets
- Procedure TestEnums;
- Procedure TestEnumRangeFail;
- Procedure TestEnumDotValueFail;
- Procedure TestSets;
- Procedure TestSetOperators;
- Procedure TestEnumParams;
- Procedure TestSetParams;
- Procedure TestSetFunctions;
- Procedure TestEnumHighLow;
- Procedure TestEnumOrd;
- Procedure TestEnumPredSucc;
- Procedure TestEnum_EqualNilFail;
- Procedure TestEnum_CastIntegerToEnum;
- Procedure TestEnum_Str;
- Procedure TestConstEnumOperators;
- Procedure TestEnumSetConstRange;
- Procedure TestEnumSet_AnonymousEnumtype;
- Procedure TestEnumSet_AnonymousEnumtypeName;
- Procedure TestEnumSet_Const;
- Procedure TestSet_IntRange_Const;
- Procedure TestSet_Byte_Const;
- Procedure TestEnumRange;
- Procedure TestEnum_ForIn;
- Procedure TestEnum_ForInRangeFail;
- Procedure TestEnum_ScopedEnums;
- Procedure TestEnum_ScopedEnumsFail;
- // operators
- Procedure TestPrgAssignment;
- Procedure TestPrgProcVar;
- Procedure TestUnitProcVar;
- Procedure TestAssignIntegers;
- Procedure TestAssignString;
- Procedure TestAssignIntToStringFail;
- Procedure TestAssignStringToIntFail;
- Procedure TestIntegerOperators;
- Procedure TestIntegerBoolFail;
- Procedure TestBooleanOperators;
- Procedure TestStringOperators;
- Procedure TestWideCharOperators;
- Procedure TestFloatOperators;
- Procedure TestCAssignments;
- Procedure TestTypeCastBaseTypes;
- Procedure TestTypeCastAliasBaseTypes;
- Procedure TestTypeCastStrToIntFail;
- Procedure TestTypeCastStrToCharFail;
- Procedure TestTypeCastIntToStrFail;
- Procedure TestTypeCastDoubleToStrFail;
- Procedure TestTypeCastDoubleToIntFail;
- Procedure TestTypeCastDoubleToBoolFail;
- Procedure TestTypeCastBooleanToDoubleFail;
- Procedure TestAssign_Access;
- Procedure TestAssignedIntFail;
- // misc built-in functions
- Procedure TestHighLow;
- Procedure TestStr_BaseTypes;
- Procedure TestStr_StringFail;
- Procedure TestStr_CharFail;
- Procedure TestIncDec;
- Procedure TestIncStringFail;
- Procedure TestTypeInfo;
- Procedure TestTypeInfo_FailRTTIDisabled;
- // statements
- Procedure TestForLoop;
- Procedure TestForLoop_NestedSameVarFail;
- Procedure TestForLoop_AssignVarFail;
- Procedure TestForLoop_PassVarFail;
- Procedure TestStatements;
- Procedure TestCaseOfInt;
- Procedure TestCaseOfIntExtConst;
- Procedure TestCaseIntDuplicateFail;
- Procedure TestCaseOfStringDuplicateFail;
- Procedure TestCaseOfStringRangeDuplicateFail;
- Procedure TestCaseOfBaseType;
- Procedure TestCaseOfExprNonOrdFail;
- Procedure TestCaseOfIncompatibleValueFail;
- Procedure TestTryStatement;
- Procedure TestTryExceptOnNonTypeFail;
- Procedure TestTryExceptOnNonClassFail;
- Procedure TestRaiseNonVarFail;
- Procedure TestRaiseNonClassFail;
- Procedure TestRaiseDescendant;
- Procedure TestStatementsRefs;
- Procedure TestRepeatUntilNonBoolFail;
- Procedure TestWhileDoNonBoolFail;
- Procedure TestIfThen;
- Procedure TestIfThenNonBoolFail;
- Procedure TestIfAssignMissingSemicolonFail;
- Procedure TestForLoopVarNonVarFail;
- Procedure TestForLoopStartIncompFail;
- Procedure TestForLoopEndIncompFail;
- Procedure TestSimpleStatement_VarFail;
- Procedure TestLabelStatementFail;
- Procedure TestLabelStatementDelphiFail;
- // units
- Procedure TestUnitForwardOverloads;
- Procedure TestUnitIntfInitialization;
- Procedure TestUnitUseSystem;
- Procedure TestUnitUseIntf;
- Procedure TestUnitUseImplFail;
- Procedure TestUnit_DuplicateUsesFail;
- Procedure TestUnit_NestedFail;
- Procedure TestUnitUseDotted;
- Procedure TestUnit_ProgramDefaultNamespace;
- Procedure TestUnit_DottedIdentifier;
- Procedure TestUnit_DottedPrg;
- Procedure TestUnit_DottedUnit;
- Procedure TestUnit_DottedExpr;
- Procedure TestUnit_DuplicateDottedUsesFail;
- Procedure TestUnit_DuplicateUsesDiffNameFail;
- Procedure TestUnit_Unit1DotUnit2Fail;
- Procedure TestUnit_InFilename;
- Procedure TestUnit_InFilenameAliasDelphiFail;
- Procedure TestUnit_InFilenameInUnitDelphiFail;
- Procedure TestUnit_MissingUnitErrorPos;
- Procedure TestUnit_UnitNotFoundErrorPos;
- Procedure TestUnit_AccessIndirectUsedUnitFail;
- Procedure TestUnit_Intf1Impl2Intf1;
- // procs
- Procedure TestProcParam;
- Procedure TestProcParamAccess;
- Procedure TestFunctionResult;
- Procedure TestProcedureResultFail;
- Procedure TestProc_ArgVarPrecisionLossFail;
- Procedure TestProc_ArgVarTypeAliasObjFPC;
- Procedure TestProc_ArgVarTypeAliasDelphi;
- Procedure TestProc_ArgVarTypeAliasDelphiMismatchFail;
- Procedure TestProc_ArgMissingSemicolonFail;
- Procedure TestProcOverload;
- Procedure TestProcOverloadImplDuplicateFail;
- Procedure TestProcOverloadImplDuplicate2Fail;
- Procedure TestProcOverloadOtherUnit;
- Procedure TestProcOverloadWithBaseTypes;
- Procedure TestProcOverloadWithBaseTypes2;
- Procedure TestProcOverloadWithDefaultArgs;
- Procedure TestProcOverloadNearestHigherPrecision;
- Procedure TestProcOverloadForLoopIntDouble;
- Procedure TestProcOverloadStringArgCount;
- Procedure TestProcCallLowPrecision;
- Procedure TestProcOverloadUntyped;
- Procedure TestProcOverloadMultiLowPrecisionFail;
- Procedure TestProcOverload_TypeAlias;
- Procedure TestProcOverload_TypeAliasLiteralFail;
- Procedure TestProcOverloadWithClassTypes;
- Procedure TestProcOverloadWithInhClassTypes;
- Procedure TestProcOverloadWithInhAliasClassTypes;
- Procedure TestProcOverloadWithInterfaces;
- Procedure TestProcOverloadBaseTypeOtherUnit;
- Procedure TestProcOverloadBaseProcNoHint;
- Procedure TestProcOverload_UnitOrderFail;
- Procedure TestProcOverloadDelphiMissingNextOverload;
- Procedure TestProcOverloadDelphiMissingPrevOverload;
- Procedure TestProcOverloadDelphiUnit;
- Procedure TestProcOverloadDelphiUnitNoOverloadFail;
- Procedure TestProcOverloadObjFPCUnitWithoutOverloadMod;
- Procedure TestProcOverloadDelphiWithObjFPC;
- Procedure TestProcOverloadDelphiOverride;
- Procedure TestProcDuplicate;
- Procedure TestNestedProc;
- Procedure TestNestedProc_ResultString;
- Procedure TestFuncAssignFail;
- Procedure TestForwardProc;
- Procedure TestForwardProcUnresolved;
- Procedure TestNestedForwardProc;
- Procedure TestNestedForwardProcUnresolved;
- Procedure TestForwardProcFuncMismatch;
- Procedure TestForwardFuncResultMismatch;
- Procedure TestUnitIntfProc;
- Procedure TestUnitIntfProcUnresolved;
- Procedure TestUnitIntfMismatchArgName;
- Procedure TestProcOverloadIsNotFunc;
- Procedure TestProcCallMissingParams;
- Procedure TestProcArgDefaultValue;
- Procedure TestProcArgDefaultValueTypeMismatch;
- Procedure TestProcPassConstToVar;
- Procedure TestBuiltInProcCallMissingParams;
- Procedure TestAssignFunctionResult;
- Procedure TestAssignProcResultFail;
- Procedure TestFunctionResultInCondition;
- Procedure TestExit;
- Procedure TestBreak;
- Procedure TestContinue;
- Procedure TestProcedureExternal;
- Procedure TestProc_UntypedParam_Forward;
- Procedure TestProc_Varargs;
- Procedure TestProc_ParameterExprAccess;
- Procedure TestProc_FunctionResult_DeclProc;
- Procedure TestProc_TypeCastFunctionResult;
- Procedure TestProc_ImplicitCalls;
- Procedure TestProc_Absolute;
- // anonymous procs
- Procedure TestAnonymousProc_Assign;
- Procedure TestAnonymousProc_AssignSemicolonFail;
- Procedure TestAnonymousProc_Assign_ReferenceToMissingFail;
- Procedure TestAnonymousProc_Assign_WrongParamListFail;
- Procedure TestAnonymousProc_Arg;
- Procedure TestAnonymousProc_ArgSemicolonFail;
- Procedure TestAnonymousProc_EqualFail;
- Procedure TestAnonymousProc_ConstFail;
- Procedure TestAnonymousProc_Assembler;
- Procedure TestAnonymousProc_NameFail;
- Procedure TestAnonymousProc_StatementFail;
- Procedure TestAnonymousProc_Typecast_ObjFPC;
- Procedure TestAnonymousProc_Typecast_Delphi;
- Procedure TestAnonymousProc_TypecastToResultFail;
- Procedure TestAnonymousProc_With;
- Procedure TestAnonymousProc_ExceptOn;
- Procedure TestAnonymousProc_Nested;
- // record
- Procedure TestRecord;
- Procedure TestRecordVariant;
- Procedure TestRecordVariantNested;
- Procedure TestRecord_WriteConstParamFail;
- Procedure TestRecord_WriteConstParam_WithFail;
- Procedure TestRecord_WriteNestedConstParamFail;
- Procedure TestRecord_WriteNestedConstParamWithFail;
- Procedure TestRecord_TypeCast;
- Procedure TestRecord_NewDispose;
- Procedure TestRecord_Const;
- Procedure TestRecord_Const_DuplicateFail;
- Procedure TestRecord_Const_ExprMismatchFail;
- Procedure TestRecord_Const_MissingHint;
- Procedure TestRecord_Const_UntypedFail;
- Procedure TestRecord_Const_NestedRecord;
- Procedure TestRecord_Const_Variant;
- Procedure TestRecord_Default;
- Procedure TestRecord_VarExternal;
- Procedure TestRecord_VarSelfFail;
- // advanced record
- Procedure TestAdvRecord;
- Procedure TestAdvRecord_Private;
- Procedure TestAdvRecord_StrictPrivate;
- Procedure TestAdvRecord_StrictPrivateFail;
- Procedure TestAdvRecord_MethodImplMissingFail;
- Procedure TestAdvRecord_VarConst;
- Procedure TestAdvRecord_RecVal_ConstFail;
- Procedure TestAdvRecord_RecVal_ClassVarFail;
- Procedure TestAdvRecord_LocalForwardType;
- Procedure TestAdvRecord_Constructor_NewInstance;
- Procedure TestAdvRecord_ConstructorNoParamsFail;
- Procedure TestAdvRecord_ClassConstructor;
- Procedure TestAdvRecord_ClassConstructorParamsFail;
- Procedure TestAdvRecord_ClassConstructor_CallFail;
- Procedure TestAdvRecord_ClassConstructorDuplicateFail;
- Procedure TestAdvRecord_NestedRecordType;
- Procedure TestAdvRecord_NestedArgConstFail;
- Procedure TestAdvRecord_Property;
- Procedure TestAdvRecord_ClassProperty;
- Procedure TestAdvRecord_PropertyDefault;
- Procedure TestAdvRecord_RecordAsFuncResult;
- Procedure TestAdvRecord_InheritedFail;
- Procedure TestAdvRecord_ForInEnumerator;
- Procedure TestAdvRecord_InFunctionFail;
- Procedure TestAdvRecord_SubClass;
- // class
- Procedure TestClass;
- Procedure TestClassDefaultInheritance;
- Procedure TestClassTripleInheritance;
- Procedure TestClassInheritanceCycleFail;
- Procedure TestClassDefaultVisibility;
- Procedure TestClassForward;
- Procedure TestClassForwardAsAncestorFail;
- Procedure TestClassForwardNotResolved;
- Procedure TestClassForwardDuplicateFail;
- Procedure TestClassForwardDelphiFail;
- Procedure TestClassForwardObjFPCProgram;
- Procedure TestClassForwardObjFPCUnit;
- Procedure TestClass_Method;
- Procedure TestClass_ConstructorMissingDotFail;
- Procedure TestClass_MethodImplDuplicateFail;
- Procedure TestClass_MethodWithoutClassFail;
- Procedure TestClass_MethodInOtherUnitFail;
- Procedure TestClass_MethodWithParams;
- Procedure TestClass_MethodUnresolvedPrg;
- Procedure TestClass_MethodUnresolvedUnit;
- Procedure TestClass_MethodAbstract;
- Procedure TestClass_MethodAbstractWithoutVirtualFail;
- Procedure TestClass_MethodAbstractHasBodyFail;
- Procedure TestClass_MethodUnresolvedWithAncestor;
- Procedure TestClass_ProcFuncMismatch;
- Procedure TestClass_MethodOverload;
- Procedure TestClass_MethodInvalidOverload;
- Procedure TestClass_MethodOverride;
- Procedure TestClass_MethodOverride2;
- Procedure TestClass_MethodOverrideFixCase;
- Procedure TestClass_MethodOverrideSameResultType;
- Procedure TestClass_MethodOverrideDiffResultTypeFail;
- Procedure TestClass_MethodOverrideDiffVarName;
- Procedure TestClass_MethodOverloadMissingInDelphi;
- Procedure TestClass_MethodOverloadAncestor;
- Procedure TestClass_MethodOverloadUnit;
- Procedure TestClass_HintMethodHidesNonVirtualMethod;
- Procedure TestClass_HintMethodHidesNonVirtualMethodWithoutBody_NoHint;
- Procedure TestClass_NoHintMethodHidesPrivateMethod;
- Procedure TestClass_MethodReintroduce;
- Procedure TestClass_MethodOverloadArrayOfTClass;
- Procedure TestClass_ConstructorHidesAncestorWarning;
- Procedure TestClass_ConstructorOverride;
- Procedure TestClass_ConstructorAccessHiddenAncestorFail;
- Procedure TestClass_ConstructorNoteAbstractMethods;
- Procedure TestClass_ConstructorNoNoteAbstractMethods;
- Procedure TestClass_MethodScope;
- Procedure TestClass_IdentifierSelf;
- Procedure TestClassCallInherited;
- Procedure TestClassCallInheritedNoParamsAbstractFail;
- Procedure TestClassCallInheritedWithParamsAbstractFail;
- Procedure TestClassCallInheritedConstructor;
- Procedure TestClassCallInheritedNested;
- Procedure TestClassCallInheritedAs;
- Procedure TestClassAssignNil;
- Procedure TestClassAssign;
- Procedure TestClassNilAsParam;
- Procedure TestClass_Operators_Is_As;
- Procedure TestClass_OperatorIsOnNonTypeFail;
- Procedure TestClass_OperatorAsOnNonDescendantFail;
- Procedure TestClass_OperatorAsOnNonTypeFail;
- Procedure TestClassAsFuncResult;
- Procedure TestClassTypeCast;
- Procedure TestClassTypeCastUnrelatedFail;
- Procedure TestClass_TypeCastSelf;
- Procedure TestClass_TypeCaseMultipleParamsFail;
- Procedure TestClass_TypeCastAssign;
- Procedure TestClass_AccessMemberViaClassFail;
- Procedure TestClass_FuncReturningObjectMember;
- Procedure TestClass_StaticWithoutClassFail;
- Procedure TestClass_SelfInStaticFail;
- Procedure TestClass_SelfDotInStaticFail;
- Procedure TestClass_PrivateProtectedInSameUnit;
- Procedure TestClass_PrivateInMainBeginFail;
- Procedure TestClass_PrivateInDescendantFail;
- Procedure TestClass_ProtectedInDescendant;
- Procedure TestClass_StrictPrivateInMainBeginFail;
- Procedure TestClass_StrictProtectedInMainBeginFail;
- Procedure TestClass_Constructor_NewInstance;
- Procedure TestClass_Destructor_FreeInstance;
- Procedure TestClass_ConDestructor_CallInherited;
- Procedure TestClass_Constructor_Inherited;
- Procedure TestClass_SubObject;
- Procedure TestClass_WithClassInstance;
- Procedure TestClass_ProcedureExternal;
- Procedure TestClass_ReintroducePublicVarFail;
- Procedure TestClass_ReintroducePrivateVar;
- Procedure TestClass_ReintroduceProc;
- Procedure TestClass_UntypedParam_TypeCast;
- Procedure TestClass_Sealed;
- Procedure TestClass_SealedDescendFail;
- Procedure TestClass_Abstract;
- Procedure TestClass_AbstractCreateFail;
- Procedure TestClass_VarExternal;
- Procedure TestClass_WarnOverrideLowerVisibility;
- Procedure TestClass_Const;
- Procedure TestClass_ClassMissingVarFail;
- Procedure TestClass_ClassConstFail;
- Procedure TestClass_Enumerator;
- Procedure TestClass_EnumeratorFunc;
- Procedure TestClass_ForInPropertyStaticArray;
- Procedure TestClass_TypeAlias;
- Procedure TestClass_Message;
- Procedure TestClass_Message_MissingParamFail;
- // published
- Procedure TestClass_PublishedClassVarFail;
- Procedure TestClass_PublishedClassPropertyFail;
- Procedure TestClass_PublishedClassFunctionFail;
- Procedure TestClass_PublishedOverloadFail;
- // nested class
- Procedure TestNestedClass;
- Procedure TestNestedClass_Forward;
- procedure TestNestedClass_StrictPrivateFail;
- procedure TestNestedClass_AccessStrictPrivate;
- // external class
- Procedure TestExternalClass;
- Procedure TestExternalClass_Descendant;
- // class of
- Procedure TestClassOf;
- Procedure TestClassOfAlias;
- Procedure TestClassOfNonClassFail;
- Procedure TestClassOfAssignClassOfFail;
- Procedure TestClassOfIsOperatorFail;
- Procedure TestClassOfAsOperatorFail;
- Procedure TestClassOfIsOperator;
- Procedure TestClass_ClassVar;
- Procedure TestClassOfDotClassVar;
- Procedure TestClassOfDotVarFail;
- Procedure TestClassOfDotClassProc;
- Procedure TestClassOfDotProcFail;
- Procedure TestClassOfDotClassProperty;
- Procedure TestClassOfDotPropertyFail;
- Procedure TestClass_ClassProcSelf;
- Procedure TestClass_ClassProcSelfTypeCastFail;
- Procedure TestClass_ClassMembers;
- Procedure TestClassOf_AsFail;
- Procedure TestClassOf_MemberAsFail;
- Procedure TestClassOf_IsFail;
- Procedure TestClass_TypeCast;
- Procedure TestClassOf_AlwaysForward;
- Procedure TestClassOf_ClassOfBeforeClass_FuncResult;
- Procedure TestClassOf_Const;
- Procedure TestClassOf_Const2;
- // property
- Procedure TestProperty1;
- Procedure TestPropertyAccessorNotInFront;
- Procedure TestPropertyReadAndWriteMissingFail;
- Procedure TestPropertyReadAccessorVarWrongType;
- Procedure TestPropertyReadAccessorProcNotFunc;
- Procedure TestPropertyReadAccessorFuncWrongResult;
- Procedure TestPropertyReadAccessorFuncWrongArgCount;
- Procedure TestPropertyReadAccessorFunc;
- Procedure TestPropertyReadAccessorStrictPrivate;
- Procedure TestPropertyReadAccessorNonClassFail;
- Procedure TestPropertyWriteAccessorVarWrongType;
- Procedure TestPropertyWriteAccessorFuncNotProc;
- Procedure TestPropertyWriteAccessorProcWrongArgCount;
- Procedure TestPropertyWriteAccessorProcWrongArg;
- Procedure TestPropertyWriteAccessorProcWrongArgType;
- Procedure TestPropertyWriteAccessorProc;
- Procedure TestPropertyTypeless;
- Procedure TestPropertyTypelessNoAncestorFail;
- Procedure TestPropertyStoredAccessor;
- Procedure TestPropertyStoredAccessorVarWrongType;
- Procedure TestPropertyStoredAccessorProcNotFunc;
- Procedure TestPropertyStoredAccessorFuncWrongResult;
- Procedure TestPropertyStoredAccessorFuncWrongArgCount;
- Procedure TestPropertyIndexSpec;
- Procedure TestPropertyIndexSpec_ReadAccessorWrongArgCount;
- Procedure TestPropertyIndexSpec_ReadAccessorWrongIndexArgType;
- Procedure TestPropertyDefaultValue;
- Procedure TestPropertyAssign;
- Procedure TestPropertyAssignReadOnlyFail;
- Procedure TestProperty_PassAsParam;
- Procedure TestPropertyReadNonReadableFail;
- Procedure TestPropertyArgs1;
- Procedure TestPropertyArgs2;
- Procedure TestPropertyArgsWithDefaultsFail;
- Procedure TestPropertyArgs_StringConstDefault;
- Procedure TestClassProperty;
- Procedure TestClassPropertyNonStaticFail;
- Procedure TestClassPropertyNonStaticAllow;
- //Procedure TestClassPropertyStaticMismatchFail;
- Procedure TestArrayProperty;
- Procedure TestProperty_WrongTypeAsIndexFail;
- Procedure TestProperty_Option_ClassPropertyNonStatic;
- Procedure TestDefaultProperty;
- Procedure TestDefaultPropertyIncVisibility;
- Procedure TestProperty_MissingDefault;
- Procedure TestProperty_DefaultDotFail;
- // class interfaces
- Procedure TestClassInterface;
- Procedure TestClassInterfaceForward;
- Procedure TestClassInterfaceVarFail;
- Procedure TestClassInterfaceConstFail;
- Procedure TestClassInterfaceClassMethodFail;
- Procedure TestClassInterfaceNestedTypeFail;
- Procedure TestClassInterfacePropertyStoredFail;
- Procedure TestClassInterface_ConstructorFail;
- Procedure TestClassInterface_DelphiClassAncestorIntfFail;
- Procedure TestClassInterface_ObjFPCClassAncestorIntf;
- Procedure TestClassInterface_MethodVirtualFail;
- Procedure TestClassInterface_Overloads;
- Procedure TestClassInterface_OverloadHint;
- Procedure TestClassInterface_OverloadNoHint;
- Procedure TestClassInterface_IntfListClassFail;
- Procedure TestClassInterface_IntfListDuplicateFail;
- Procedure TestClassInterface_MissingMethodFail;
- Procedure TestClassInterface_MissingAncestorMethodFail;
- Procedure TestClassInterface_DefaultProperty;
- Procedure TestClassInterface_MethodResolution;
- Procedure TestClassInterface_MethodResolutionDuplicateFail;
- Procedure TestClassInterface_DelegationIntf;
- Procedure TestClassInterface_Delegation_DuplPropFail;
- Procedure TestClassInterface_Delegation_MethodResFail;
- Procedure TestClassInterface_DelegationClass;
- Procedure TestClassInterface_DelegationFQN;
- Procedure TestClassInterface_Assign;
- Procedure TestClassInterface_AssignObjVarIntfVarFail;
- Procedure TestClassInterface_AssignDescendentFail;
- Procedure TestClassInterface_Args;
- Procedure TestClassInterface_Enumerator;
- Procedure TestClassInterface_PassTypecastClassToIntfAsVarParamFail;
- Procedure TestClassInterface_PassTypecastIntfToClassAsVarParamFail;
- Procedure TestClassInterface_GUID;
- // with
- Procedure TestWithBlock1;
- Procedure TestWithBlock2;
- Procedure TestWithBlockFuncResult;
- Procedure TestWithBlockConstructor;
- // arrays
- Procedure TestDynArrayOfLongint;
- Procedure TestStaticArray;
- Procedure TestStaticArrayOfChar;
- Procedure TestStaticArrayOfCharDelphi;
- Procedure TestStaticArrayOfRangeElCheckFail;
- Procedure TestArrayOfArray;
- Procedure TestArrayOfArray_NameAnonymous;
- Procedure TestFunctionReturningArray;
- Procedure TestArray_LowHigh;
- Procedure TestArray_LowVarFail;
- Procedure TestArray_AssignDiffElTypeFail;
- Procedure TestArray_AssignSameSignatureDelphiFail;
- Procedure TestArray_Assigned;
- Procedure TestPropertyOfTypeArray;
- Procedure TestArrayElementFromFuncResult_AsParams;
- Procedure TestArrayEnumTypeRange;
- Procedure TestArrayEnumTypeConstNotEnoughValuesFail1;
- Procedure TestArrayEnumTypeConstNotEnoughValuesFail2;
- Procedure TestArrayEnumTypeConstWrongTypeFail;
- Procedure TestArrayEnumTypeConstNonConstFail;
- Procedure TestArrayEnumTypeSetLengthFail;
- Procedure TestArrayEnumCustomRange;
- Procedure TestArray_DynArrayConstObjFPC;
- Procedure TestArray_DynArrayConstDelphi;
- Procedure TestArray_DynArrAssignStaticDelphiFail;
- Procedure TestArray_Static_Const;
- Procedure TestArray_Record_Const;
- Procedure TestArray_MultiDim_Const;
- Procedure TestArray_AssignNilToStaticArrayFail1;
- Procedure TestArray_SetLengthProperty;
- Procedure TestStaticArray_SetlengthFail;
- Procedure TestArray_PassArrayElementToVarParam;
- Procedure TestArray_OpenArrayOfString;
- Procedure TestArray_OpenArrayOfString_IntFail;
- Procedure TestArray_OpenArrayOverride;
- Procedure TestArray_OpenArrayAsDynArraySetLengthFail;
- Procedure TestArray_OpenArrayAsDynArray;
- Procedure TestArray_OpenArrayDelphi;
- Procedure TestArray_CopyConcat;
- Procedure TestStaticArray_CopyConcat;// ToDo
- Procedure TestArray_CopyMismatchFail;
- Procedure TestArray_InsertDeleteAccess;
- Procedure TestArray_InsertArray;
- Procedure TestStaticArray_InsertFail;
- Procedure TestStaticArray_DeleteFail;
- Procedure TestArray_InsertItemMismatchFail;
- Procedure TestArray_TypeCast;
- Procedure TestArray_TypeCastWrongElTypeFail;
- Procedure TestArray_ConstDynArrayWrite;
- Procedure TestArray_ConstOpenArrayWriteFail;
- Procedure TestArray_ForIn;
- Procedure TestArray_Arg_AnonymousStaticFail;
- Procedure TestArray_Arg_AnonymousMultiDimFail;
- // array of const
- Procedure TestArrayOfConst;
- Procedure TestArrayOfConst_PassDynArrayOfIntFail;
- Procedure TestArrayOfConst_AssignNilFail;
- Procedure TestArrayOfConst_SetLengthFail;
- // static arrays
- Procedure TestArrayIntRange_OutOfRange;
- Procedure TestArrayIntRange_OutOfRangeError;
- Procedure TestArrayCharRange_OutOfRange;
- // procedure types
- Procedure TestProcTypesAssignObjFPC;
- Procedure TestMethodTypesAssignObjFPC;
- Procedure TestProcTypeCall;
- Procedure TestProcType_FunctionFPC;
- Procedure TestProcType_FunctionDelphi;
- Procedure TestProcType_ProcedureDelphi;
- Procedure TestProcType_MethodFPC;
- Procedure TestProcType_MethodDelphi;
- Procedure TestAssignProcToMethodFail;
- Procedure TestAssignMethodToProcFail;
- Procedure TestAssignProcToFunctionFail;
- Procedure TestAssignProcWrongArgsFail;
- Procedure TestAssignProcWrongArgAccessFail;
- Procedure TestProcType_AssignNestedProcFail;
- Procedure TestArrayOfProc;
- Procedure TestProcType_Assigned;
- Procedure TestProcType_TNotifyEvent;
- Procedure TestProcType_TNotifyEvent_NoAtFPC_Fail1;
- Procedure TestProcType_TNotifyEvent_NoAtFPC_Fail2;
- Procedure TestProcType_TNotifyEvent_NoAtFPC_Fail3;
- Procedure TestProcType_WhileListCompare;
- Procedure TestProcType_IsNested;
- Procedure TestProcType_IsNested_AssignProcFail;
- Procedure TestProcType_ReferenceTo;
- Procedure TestProcType_AllowNested;
- Procedure TestProcType_AllowNestedOfObject;
- Procedure TestProcType_AsArgOtherUnit;
- Procedure TestProcType_Property;
- Procedure TestProcType_PropertyCallWrongArgFail;
- Procedure TestProcType_Typecast;
- Procedure TestProcType_InsideFunction;
- Procedure TestProcType_PassProcToUntyped;
- // pointer
- Procedure TestPointer;
- Procedure TestPointer_AnonymousSetFail;
- Procedure TestPointer_AssignPointerToClassFail;
- Procedure TestPointer_TypecastToMethodTypeFail;
- Procedure TestPointer_TypecastFromMethodTypeFail;
- Procedure TestPointer_TypecastMethod_proMethodAddrAsPointer;
- Procedure TestPointer_OverloadSignature;
- Procedure TestPointer_Assign;
- Procedure TestPointerTyped;
- Procedure TestPointerTypedForwardMissingFail;
- Procedure TestPointerTyped_CycleFail;
- Procedure TestPointerTyped_AssignMismatchFail;
- Procedure TestPointerTyped_AddrAddrFail;
- Procedure TestPointerTyped_RecordObjFPC;
- Procedure TestPointerTyped_RecordDelphi;
- Procedure TestPointerTyped_Arithmetic;
- // resourcestrings
- Procedure TestResourcestring;
- Procedure TestResourcestringAssignFail;
- Procedure TestResourcestringLocalFail;
- Procedure TestResourcestringInConstFail;
- Procedure TestResourcestringPassVarArgFail;
- // hints
- Procedure TestHint_ElementHints;
- Procedure TestHint_ElementHintsMsg;
- Procedure TestHint_ElementHintsAlias;
- Procedure TestHint_ElementHints_WarnOff_SymbolDeprecated;
- Procedure TestHint_Garbage;
- // helpers
- Procedure TestClassHelper;
- Procedure TestClassHelper_AncestorIsNotHelperForDescendantFail;
- Procedure TestClassHelper_HelperForParentFail;
- Procedure TestClassHelper_ForInterfaceFail;
- Procedure TestClassHelper_FieldFail;
- Procedure TestClassHelper_AbstractFail;
- Procedure TestClassHelper_VirtualObjFPCFail;
- Procedure TestClassHelper_VirtualDelphiFail;
- Procedure TestClassHelper_DestructorFail;
- Procedure TestClassHelper_ClassRefersToTypeHelperOfAncestor;
- Procedure TestClassHelper_InheritedObjFPC;
- Procedure TestClassHelper_InheritedObjFPC2;
- Procedure TestClassHelper_InheritedObjFPCStrictPrivateFail;
- Procedure TestClassHelper_InheritedClassObjFPC;
- Procedure TestClassHelper_InheritedDelphi;
- Procedure TestClassHelper_NestedInheritedParentFail;
- Procedure TestClassHelper_AccessFields;
- Procedure TestClassHelper_HelperDotClassMethodFail;
- Procedure TestClassHelper_WithHelperFail;
- Procedure TestClassHelper_AsTypeFail;
- Procedure TestClassHelper_ClassMethod;
- Procedure TestClassHelper_Enumerator;
- Procedure TestClassHelper_FromUnitInterface;
- Procedure TestClassHelper_Constructor_NewInstance;
- Procedure TestClassHelper_ReintroduceHides_CallFail;
- Procedure TestClassHelper_DefaultProperty;
- Procedure TestClassHelper_DefaultClassProperty;
- Procedure TestClassHelper_MultiHelpers;
- Procedure TestRecordHelper;
- Procedure TestRecordHelper_ForByteFail;
- Procedure TestRecordHelper_ClassNonStaticFail;
- Procedure TestRecordHelper_InheritedObjFPC;
- Procedure TestRecordHelper_Constructor_NewInstance;
- Procedure TestTypeHelper;
- Procedure TestTypeHelper_HelperForProcTypeFail;
- Procedure TestTypeHelper_DefaultPropertyFail;
- Procedure TestTypeHelper_Enum;
- Procedure TestTypeHelper_EnumDotValueFail;
- Procedure TestTypeHelper_EnumHelperDotProcFail;
- Procedure TestTypeHelper_Set;
- Procedure TestTypeHelper_Enumerator;
- Procedure TestTypeHelper_String;
- Procedure TestTypeHelper_Boolean;
- Procedure TestTypeHelper_Double;
- Procedure TestTypeHelper_DoubleAlias;
- Procedure TestTypeHelper_Constructor_NewInstance;
- Procedure TestTypeHelper_Interface;
- Procedure TestTypeHelper_Interface_ConstructorFail;
- // attributes
- Procedure TestAttributes_Globals;
- Procedure TestAttributes_NonConstParam_Fail;
- Procedure TestAttributes_UnknownAttrWarning;
- Procedure TestAttributes_Members;
- end;
- function LinesToStr(Args: array of const): string;
- implementation
- function LinesToStr(Args: array of const): string;
- var
- s: String;
- i: Integer;
- begin
- s:='';
- for i:=Low(Args) to High(Args) do
- case Args[i].VType of
- vtChar: s += Args[i].VChar+LineEnding;
- vtString: s += Args[i].VString^+LineEnding;
- vtPChar: s += Args[i].VPChar+LineEnding;
- vtWideChar: s += AnsiString(Args[i].VWideChar)+LineEnding;
- vtPWideChar: s += AnsiString(Args[i].VPWideChar)+LineEnding;
- vtAnsiString: s += AnsiString(Args[i].VAnsiString)+LineEnding;
- vtWidestring: s += AnsiString(WideString(Args[i].VWideString))+LineEnding;
- vtUnicodeString:s += AnsiString(UnicodeString(Args[i].VUnicodeString))+LineEnding;
- end;
- Result:=s;
- end;
- { TTestEnginePasResolver }
- procedure TTestEnginePasResolver.SetModule(AValue: TPasModule);
- begin
- if FModule=AValue then Exit;
- if Module<>nil then
- Module.Release{$IFDEF CheckPasTreeRefCount}('TTestEnginePasResolver.Module'){$ENDIF};
- FModule:=AValue;
- {$IFDEF CheckPasTreeRefCount}
- if Module<>nil then
- Module.ChangeRefId('CreateElement','TTestEnginePasResolver.Module');
- {$ENDIF}
- end;
- constructor TTestEnginePasResolver.Create;
- begin
- inherited Create;
- StoreSrcColumns:=true;
- end;
- destructor TTestEnginePasResolver.Destroy;
- begin
- FStreamResolver:=nil;
- FreeAndNil(FParser);
- FreeAndNil(FScanner);
- inherited Destroy;
- Module:=nil;
- end;
- procedure TTestEnginePasResolver.ReleaseUsedUnits;
- begin
- if Module<>nil then
- Module.ReleaseUsedUnits;
- end;
- function TTestEnginePasResolver.CreateElement(AClass: TPTreeElement;
- const AName: String; AParent: TPasElement; AVisibility: TPasMemberVisibility;
- const ASrcPos: TPasSourcePos): TPasElement;
- begin
- Result:=inherited CreateElement(AClass, AName, AParent, AVisibility, ASrcPos);
- if (FModule=nil) and AClass.InheritsFrom(TPasModule) then
- Module:=TPasModule(Result);
- end;
- function TTestEnginePasResolver.FindUnit(const AName, InFilename: String;
- NameExpr, InFileExpr: TPasExpr): TPasModule;
- begin
- Result:=OnFindUnit(Self,AName,InFilename,NameExpr,InFileExpr);
- end;
- procedure TTestEnginePasResolver.UsedInterfacesFinished(Section: TPasSection);
- begin
- if Section=nil then ;
- // do not parse recursively
- // using a queue
- end;
- { TCustomTestResolver }
- procedure TCustomTestResolver.SetUp;
- begin
- {$IF defined(VerbosePasResolver) or defined(VerbosePasResolverMem)}
- FStartElementRefCount:=TPasElement.GlobalRefCount;
- {$ENDIF}
- FModules:=TObjectList.Create(true);
- inherited SetUp;
- Parser.Options:=Parser.Options+[po_ResolveStandardTypes];
- Scanner.OnDirective:=@ScannerDirective;
- end;
- procedure TCustomTestResolver.TearDown;
- {$IFDEF CheckPasTreeRefCount}
- var El: TPasElement;
- {$ENDIF}
- var i: Integer;
- begin
- FResolverMsgs.Clear;
- FResolverGoodMsgs.Clear;
- {$IFDEF VerbosePasResolverMem}
- writeln('TTestResolver.TearDown START FreeSrcMarkers');
- {$ENDIF}
- FreeSrcMarkers;
- {$IFDEF VerbosePasResolverMem}
- writeln('TTestResolver.TearDown ResolverEngine.Clear');
- {$ENDIF}
- if ResolverEngine.Parser=Parser then
- ResolverEngine.Parser:=nil;
- ResolverEngine.Clear;
- if FModules<>nil then
- begin
- {$IFDEF VerbosePasResolverMem}
- writeln('TTestResolver.TearDown FModules');
- {$ENDIF}
- for i:=0 to FModules.Count-1 do
- TTestEnginePasResolver(FModules[i]).ReleaseUsedUnits;
- FModules.OwnsObjects:=false;
- FModules.Remove(ResolverEngine); // remove reference
- FModules.OwnsObjects:=true;
- FreeAndNil(FModules);// free all other modules
- end;
- {$IFDEF VerbosePasResolverMem}
- writeln('TTestResolver.TearDown inherited');
- {$ENDIF}
- if Module<>nil then
- Module.AddRef{$IFDEF CheckPasTreeRefCount}('CreateElement'){$ENDIF}; // for the Release in ancestor TTestParser
- inherited TearDown;
- FResolverEngine:=nil;
- {$IF defined(VerbosePasResolver) or defined(VerbosePasResolverMem)}
- if FStartElementRefCount<>TPasElement.GlobalRefCount then
- begin
- writeln('TCustomTestResolver.TearDown GlobalRefCount Was='+IntToStr(FStartElementRefCount)+' Now='+IntToStr(TPasElement.GlobalRefCount));
- {$IFDEF CheckPasTreeRefCount}
- El:=TPasElement.FirstRefEl;
- while El<>nil do
- begin
- writeln(' ',GetObjName(El),' RefIds.Count=',El.RefIds.Count,':');
- for i:=0 to El.RefIds.Count-1 do
- writeln(' ',El.RefIds[i]);
- El:=El.NextRefEl;
- end;
- {$ENDIF}
- //Halt;
- Fail('TCustomTestResolver.TearDown GlobalRefCount Was='+IntToStr(FStartElementRefCount)+' Now='+IntToStr(TPasElement.GlobalRefCount));
- end;
- {$ENDIF}
- {$IFDEF VerbosePasResolverMem}
- writeln('TTestResolver.TearDown END');
- {$ENDIF}
- end;
- procedure TCustomTestResolver.CreateEngine(var TheEngine: TPasTreeContainer);
- begin
- FResolverEngine:=AddModule(MainFilename);
- TheEngine:=ResolverEngine;
- end;
- procedure TCustomTestResolver.ParseModule;
- var
- Section: TPasSection;
- i: Integer;
- CurResolver: TTestEnginePasResolver;
- Found: Boolean;
- begin
- if ResolverEngine.Parser=nil then
- ResolverEngine.Parser:=Parser;
- inherited ParseModule;
- repeat
- Found:=false;
- for i:=0 to ModuleCount-1 do
- begin
- CurResolver:=Modules[i];
- if CurResolver.Parser=nil then continue;
- if not CurResolver.Parser.CanParseContinue(Section) then
- continue;
- {$IFDEF VerbosePasResolver}
- writeln('TCustomTestResolver.ParseModule continue parsing section=',GetObjName(Section),' of ',CurResolver.Filename);
- {$ENDIF}
- Found:=true;
- CurResolver.Parser.ParseContinue;
- break;
- end;
- until not Found;
- for i:=0 to ModuleCount-1 do
- begin
- CurResolver:=Modules[i];
- if CurResolver.Parser=nil then
- begin
- if CurResolver.CurrentParser<>nil then
- Fail(CurResolver.Filename+' Parser<>CurrentParser Parser="'+GetObjName(CurResolver.Parser)+'" CurrentParser='+GetObjName(CurResolver.CurrentParser));
- continue;
- end;
- if CurResolver.Parser.CurModule<>nil then
- begin
- Section:=CurResolver.Parser.GetLastSection;
- {$IFDEF VerbosePasResolver}
- writeln('TCustomTestResolver.ParseModule module not finished "',GetObjName(CurResolver.RootElement),'" LastSection=',GetObjName(Section)+' PendingUsedIntf='+GetObjName(Section.PendingUsedIntf));
- if (Section<>nil) and (Section.PendingUsedIntf<>nil) then
- writeln('TCustomTestResolver.ParseModule PendingUsedIntf=',GetObjName(Section.PendingUsedIntf.Module));
- {$ENDIF}
- Fail('module not finished "'+GetObjName(CurResolver.RootElement)+'"');
- end;
- end;
- end;
- procedure TCustomTestResolver.ParseProgram;
- var
- aFilename: String;
- aRow, aCol: Integer;
- begin
- FFirstStatement:=nil;
- try
- ParseModule;
- except
- on E: EParserError do
- begin
- aFilename:=E.Filename;
- aRow:=E.Row;
- aCol:=E.Column;
- WriteSources(aFilename,aRow,aCol);
- writeln('ERROR: TTestResolver.ParseProgram Parser: '+E.ClassName+':'+E.Message,
- ' Scanner at'
- +' '+aFilename+'('+IntToStr(aRow)+','+IntToStr(aCol)+')'
- +' Line="'+Scanner.CurLine+'"');
- Fail(E.Message);
- end;
- on E: EPasResolve do
- begin
- aFilename:=Scanner.CurFilename;
- aRow:=Scanner.CurRow;
- aCol:=Scanner.CurColumn;
- if E.PasElement<>nil then
- begin
- aFilename:=E.PasElement.SourceFilename;
- ResolverEngine.UnmangleSourceLineNumber(E.PasElement.SourceLinenumber,aRow,aCol);
- end;
- WriteSources(aFilename,aRow,aCol);
- writeln('ERROR: TTestResolver.ParseProgram PasResolver: '+E.ClassName+':'+E.Message
- +' at '+aFilename+'('+IntToStr(aRow)+','+IntToStr(aCol)+')');
- Fail(E.Message);
- end;
- on E: Exception do
- begin
- writeln('ERROR: TTestResolver.ParseProgram Exception: '+E.ClassName+':'+E.Message);
- Fail(E.Message);
- end;
- end;
- TAssert.AssertSame('Has resolver',ResolverEngine,Parser.Engine);
- AssertEquals('Has program',TPasProgram,Module.ClassType);
- AssertNotNull('Has program section',PasProgram.ProgramSection);
- AssertNotNull('Has initialization section',PasProgram.InitializationSection);
- if (PasProgram.InitializationSection.Elements.Count>0) then
- if TObject(PasProgram.InitializationSection.Elements[0]) is TPasImplBlock then
- FFirstStatement:=TPasImplBlock(PasProgram.InitializationSection.Elements[0]);
- CheckReferenceDirectives;
- end;
- procedure TCustomTestResolver.ParseUnit;
- begin
- FFirstStatement:=nil;
- try
- ParseModule;
- except
- on E: EParserError do
- begin
- writeln('ERROR: TTestResolver.ParseUnit Parser: '+E.ClassName+':'+E.Message
- +' File='+Scanner.CurFilename
- +' LineNo='+IntToStr(Scanner.CurRow)
- +' Col='+IntToStr(Scanner.CurColumn)
- +' Line="'+Scanner.CurLine+'"'
- );
- Fail(E.Message);
- end;
- on E: EPasResolve do
- begin
- writeln('ERROR: TTestResolver.ParseUnit PasResolver: '+E.ClassName+':'+E.Message
- +' File='+Scanner.CurFilename
- +' LineNo='+IntToStr(Scanner.CurRow)
- +' Col='+IntToStr(Scanner.CurColumn)
- +' Line="'+Scanner.CurLine+'"'
- );
- Fail(E.Message);
- end;
- on E: Exception do
- begin
- writeln('ERROR: TTestResolver.ParseUnit Exception: '+E.ClassName+':'+E.Message);
- Fail(E.Message);
- end;
- end;
- TAssert.AssertSame('Has resolver',ResolverEngine,Parser.Engine);
- AssertEquals('Has unit',TPasModule,Module.ClassType);
- AssertNotNull('Has interface section',Module.InterfaceSection);
- AssertNotNull('Has implementation section',Module.ImplementationSection);
- if (Module.InitializationSection<>nil)
- and (Module.InitializationSection.Elements.Count>0) then
- if TObject(Module.InitializationSection.Elements[0]) is TPasImplBlock then
- FFirstStatement:=TPasImplBlock(Module.InitializationSection.Elements[0]);
- CheckReferenceDirectives;
- end;
- procedure TCustomTestResolver.CheckReferenceDirectives;
- var
- Filename: string;
- LineNumber: Integer;
- SrcLine: String;
- CommentStartP, CommentEndP: PChar;
- procedure RaiseError(Msg: string; p: PChar);
- begin
- RaiseErrorAtSrc(Msg,Filename,LineNumber,p-PChar(SrcLine)+1);
- end;
- procedure AddMarker(Marker: PSrcMarker);
- begin
- if LastSrcMarker<>nil then
- LastSrcMarker^.Next:=Marker
- else
- FirstSrcMarker:=Marker;
- LastSrcMarker:=Marker;
- end;
- function AddMarker(Kind: TSrcMarkerKind; const aFilename: string;
- aLine, aStartCol, aEndCol: integer; const Identifier: string): PSrcMarker;
- begin
- New(Result);
- Result^.Kind:=Kind;
- Result^.Filename:=aFilename;
- Result^.Row:=aLine;
- Result^.StartCol:=aStartCol;
- Result^.EndCol:=aEndCol;
- Result^.Identifier:=Identifier;
- Result^.Next:=nil;
- //writeln('AddMarker Line="',SrcLine,'" Identifier=',Identifier,' Col=',aStartCol,'-',aEndCol,' "',copy(SrcLine,aStartCol,aEndCol-aStartCol),'"');
- AddMarker(Result);
- end;
- function AddMarkerForTokenBehindComment(Kind: TSrcMarkerKind;
- const Identifier: string): PSrcMarker;
- var
- TokenStart, p: PChar;
- begin
- p:=CommentEndP;
- ReadNextPascalToken(p,TokenStart,false,false);
- Result:=AddMarker(Kind,Filename,LineNumber,
- CommentEndP-PChar(SrcLine)+1,p-PChar(SrcLine)+1,Identifier);
- end;
- function ReadIdentifier(var p: PChar): string;
- var
- StartP: PChar;
- begin
- if not (p^ in ['a'..'z','A'..'Z','_']) then
- RaiseError('identifier expected',p);
- StartP:=p;
- inc(p);
- while p^ in ['a'..'z','A'..'Z','_','0'..'9'] do inc(p);
- Result:='';
- SetLength(Result,p-StartP);
- Move(StartP^,Result[1],length(Result));
- end;
- procedure AddLabel;
- var
- Identifier: String;
- p: PChar;
- begin
- p:=CommentStartP+2;
- Identifier:=ReadIdentifier(p);
- //writeln('TTestResolver.CheckReferenceDirectives.AddLabel ',Identifier);
- if FindSrcLabel(Identifier)<>nil then
- RaiseError('duplicate label "'+Identifier+'"',p);
- AddMarkerForTokenBehindComment(mkLabel,Identifier);
- end;
- procedure AddResolverReference;
- var
- Identifier: String;
- p: PChar;
- begin
- p:=CommentStartP+2;
- Identifier:=ReadIdentifier(p);
- //writeln('TTestResolver.CheckReferenceDirectives.AddReference ',Identifier);
- AddMarkerForTokenBehindComment(mkResolverReference,Identifier);
- end;
- procedure AddDirectReference;
- var
- Identifier: String;
- p: PChar;
- begin
- p:=CommentStartP+2;
- Identifier:=ReadIdentifier(p);
- //writeln('TTestResolver.CheckReferenceDirectives.AddDirectReference ',Identifier);
- AddMarkerForTokenBehindComment(mkDirectReference,Identifier);
- end;
- procedure ParseCode(SrcLines: TStringList; aFilename: string);
- var
- p: PChar;
- IsDirective: Boolean;
- begin
- //writeln('TTestResolver.CheckReferenceDirectives.ParseCode File=',aFilename);
- Filename:=aFilename;
- // parse code, find all labels
- LineNumber:=0;
- while LineNumber<SrcLines.Count do
- begin
- inc(LineNumber);
- SrcLine:=SrcLines[LineNumber-1];
- if SrcLine='' then continue;
- //writeln('TTestResolver.CheckReferenceDirectives Line=',SrcLine);
- p:=PChar(SrcLine);
- repeat
- case p^ of
- #0: if (p-PChar(SrcLine)=length(SrcLine)) then break;
- '{':
- begin
- CommentStartP:=p;
- inc(p);
- IsDirective:=p^ in ['#','@','='];
- // skip to end of comment
- repeat
- case p^ of
- #0:
- if (p-PChar(SrcLine)=length(SrcLine)) then
- begin
- // multi line comment
- if IsDirective then
- RaiseError('directive missing closing bracket',CommentStartP);
- repeat
- inc(LineNumber);
- if LineNumber>SrcLines.Count then exit;
- SrcLine:=SrcLines[LineNumber-1];
- //writeln('TTestResolver.CheckReferenceDirectives Comment Line=',SrcLine);
- until SrcLine<>'';
- p:=PChar(SrcLine);
- continue;
- end;
- '}':
- begin
- inc(p);
- break;
- end;
- end;
- inc(p);
- until false;
- CommentEndP:=p;
- case CommentStartP[1] of
- '#': AddLabel;
- '@': AddResolverReference;
- '=': AddDirectReference;
- end;
- p:=CommentEndP;
- continue;
- end;
- '/':
- if p[1]='/' then
- break; // rest of line is comment -> skip
- end;
- inc(p);
- until false;
- end;
- end;
- procedure CheckResolverReference(aMarker: PSrcMarker);
- // check if one element at {@a} has a TResolvedReference to an element labeled {#a}
- var
- aLabel: PSrcMarker;
- ReferenceElements, LabelElements: TFPList;
- i, j, aLine, aCol: Integer;
- El, Ref, LabelEl: TPasElement;
- begin
- //writeln('CheckResolverReference searching reference: ',aMarker^.Filename,' Line=',aMarker^.Row,' Col=',aMarker^.StartCol,'-',aMarker^.EndCol,' Label="',aMarker^.Identifier,'"');
- aLabel:=FindSrcLabel(aMarker^.Identifier);
- if aLabel=nil then
- RaiseErrorAtSrc('label "'+aMarker^.Identifier+'" not found',aMarker^.Filename,aMarker^.Row,aMarker^.StartCol);
- LabelElements:=nil;
- ReferenceElements:=nil;
- try
- LabelElements:=FindElementsAt(aLabel);
- ReferenceElements:=FindElementsAt(aMarker);
- for i:=0 to ReferenceElements.Count-1 do
- begin
- El:=TPasElement(ReferenceElements[i]);
- Ref:=nil;
- if El.CustomData is TResolvedReference then
- Ref:=TResolvedReference(El.CustomData).Declaration
- else if El.CustomData is TPasPropertyScope then
- Ref:=TPasPropertyScope(El.CustomData).AncestorProp;
- if Ref<>nil then
- for j:=0 to LabelElements.Count-1 do
- begin
- LabelEl:=TPasElement(LabelElements[j]);
- if Ref=LabelEl then
- exit; // success
- end;
- end;
- // failure write candidates
- for i:=0 to ReferenceElements.Count-1 do
- begin
- El:=TPasElement(ReferenceElements[i]);
- write('Reference candidate for "',aMarker^.Identifier,'" at reference ',aMarker^.Filename,'(',aMarker^.Row,',',aMarker^.StartCol,'-',aMarker^.EndCol,')');
- write(' El=',GetObjName(El));
- Ref:=nil;
- if El.CustomData is TResolvedReference then
- Ref:=TResolvedReference(El.CustomData).Declaration
- else if El.CustomData is TPasPropertyScope then
- Ref:=TPasPropertyScope(El.CustomData).AncestorProp;
- if Ref<>nil then
- begin
- write(' Decl=',GetObjName(Ref));
- ResolverEngine.UnmangleSourceLineNumber(Ref.SourceLinenumber,aLine,aCol);
- write(',',Ref.SourceFilename,'(',aLine,',',aCol,')');
- end
- else
- write(' has no TResolvedReference');
- writeln;
- end;
- for i:=0 to LabelElements.Count-1 do
- begin
- El:=TPasElement(LabelElements[i]);
- write('Label candidate for "',aLabel^.Identifier,'" at reference ',aLabel^.Filename,'(',aLabel^.Row,',',aLabel^.StartCol,'-',aLabel^.EndCol,')');
- write(' El=',GetObjName(El));
- writeln;
- end;
- RaiseErrorAtSrcMarker('wrong resolved reference "'+aMarker^.Identifier+'"',aMarker);
- finally
- LabelElements.Free;
- ReferenceElements.Free;
- end;
- end;
- procedure CheckDirectReference(aMarker: PSrcMarker);
- // check if one element at {=a} is a TPasAliasType pointing to an element labeled {#a}
- var
- aLabel: PSrcMarker;
- ReferenceElements, LabelElements: TFPList;
- i, LabelLine, LabelCol, j: Integer;
- El, LabelEl: TPasElement;
- DeclEl, TypeEl: TPasType;
- begin
- //writeln('CheckDirectReference searching pointer: ',aMarker^.Filename,' Line=',aMarker^.Row,' Col=',aMarker^.StartCol,'-',aMarker^.EndCol,' Label="',aMarker^.Identifier,'"');
- aLabel:=FindSrcLabel(aMarker^.Identifier);
- if aLabel=nil then
- RaiseErrorAtSrcMarker('label "'+aMarker^.Identifier+'" not found',aMarker);
- LabelElements:=nil;
- ReferenceElements:=nil;
- try
- //writeln('CheckDirectReference finding elements at label ...');
- LabelElements:=FindElementsAt(aLabel);
- //writeln('CheckDirectReference finding elements at reference ...');
- ReferenceElements:=FindElementsAt(aMarker);
- for i:=0 to ReferenceElements.Count-1 do
- begin
- El:=TPasElement(ReferenceElements[i]);
- //writeln('CheckDirectReference ',i,'/',ReferenceElements.Count,' ',GetTreeDesc(El,2));
- if El.ClassType=TPasVariable then
- begin
- if TPasVariable(El).VarType=nil then
- begin
- //writeln('CheckDirectReference Var without Type: ',GetObjName(El),' El.Parent=',GetObjName(El.Parent));
- AssertNotNull('TPasVariable(El='+El.Name+').VarType',TPasVariable(El).VarType);
- end;
- TypeEl:=TPasVariable(El).VarType;
- for j:=0 to LabelElements.Count-1 do
- begin
- LabelEl:=TPasElement(LabelElements[j]);
- if TypeEl=LabelEl then
- exit; // success
- end;
- end
- else if El is TPasAliasType then
- begin
- DeclEl:=TPasAliasType(El).DestType;
- ResolverEngine.UnmangleSourceLineNumber(DeclEl.SourceLinenumber,LabelLine,LabelCol);
- if (aLabel^.Filename=DeclEl.SourceFilename)
- and (integer(aLabel^.Row)=LabelLine)
- and (aLabel^.StartCol<=LabelCol)
- and (aLabel^.EndCol>=LabelCol) then
- exit; // success
- end
- else if El.ClassType=TPasArgument then
- begin
- TypeEl:=TPasArgument(El).ArgType;
- for j:=0 to LabelElements.Count-1 do
- begin
- LabelEl:=TPasElement(LabelElements[j]);
- if TypeEl=LabelEl then
- exit; // success
- end;
- end;
- end;
- // failed -> show candidates
- writeln('CheckDirectReference failed: Labels:');
- for j:=0 to LabelElements.Count-1 do
- begin
- LabelEl:=TPasElement(LabelElements[j]);
- writeln(' Label ',GetObjName(LabelEl),' at ',ResolverEngine.GetElementSourcePosStr(LabelEl));
- end;
- writeln('CheckDirectReference failed: References:');
- for i:=0 to ReferenceElements.Count-1 do
- begin
- El:=TPasElement(ReferenceElements[i]);
- writeln(' Reference ',GetObjName(El),' at ',ResolverEngine.GetElementSourcePosStr(El));
- end;
- RaiseErrorAtSrcMarker('wrong direct reference "'+aMarker^.Identifier+'"',aMarker);
- finally
- LabelElements.Free;
- ReferenceElements.Free;
- end;
- end;
- var
- aMarker: PSrcMarker;
- i: Integer;
- SrcLines: TStringList;
- begin
- Module.ForEachCall(@OnCheckElementParent,nil);
- //writeln('TTestResolver.CheckReferenceDirectives find all markers');
- // find all markers
- for i:=0 to Resolver.Streams.Count-1 do
- begin
- GetSrc(i,SrcLines,Filename);
- ParseCode(SrcLines,Filename);
- SrcLines.Free;
- end;
- //writeln('TTestResolver.CheckReferenceDirectives check references');
- // check references
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- case aMarker^.Kind of
- mkResolverReference: CheckResolverReference(aMarker);
- mkDirectReference: CheckDirectReference(aMarker);
- end;
- aMarker:=aMarker^.Next;
- end;
- //writeln('TTestResolver.CheckReferenceDirectives COMPLETE');
- end;
- procedure TCustomTestResolver.CheckResolverHint(MsgType: TMessageType;
- MsgNumber: integer; Msg: string; Marker: PSrcMarker);
- var
- i: Integer;
- Item: TTestResolverMessage;
- Expected,Actual: string;
- begin
- //writeln('TCustomTestResolver.CheckResolverHint MsgCount=',MsgCount);
- for i:=0 to MsgCount-1 do
- begin
- Item:=Msgs[i];
- if (Item.MsgNumber<>MsgNumber) or (Item.Msg<>Msg) then continue;
- if (Marker<>nil) then
- begin
- if Item.SourcePos.Row<>Marker^.Row then continue;
- if (integer(Item.SourcePos.Column)<Marker^.StartCol)
- or (integer(Item.SourcePos.Column)>Marker^.EndCol) then continue;
- end;
- // found
- FResolverGoodMsgs.Add(Item);
- str(Item.MsgType,Actual);
- str(MsgType,Expected);
- AssertEquals('MsgType',Expected,Actual);
- exit;
- end;
- // needed message missing -> show emitted messages
- WriteSources('',0,0);
- for i:=0 to MsgCount-1 do
- begin
- Item:=Msgs[i];
- write('TCustomTestResolver.CheckResolverHint ',i,'/',MsgCount,' ',Item.MsgType,
- ' ('+IntToStr(Item.MsgNumber),')');
- if Marker<>nil then
- write(' '+ExtractFileName(Item.SourcePos.FileName),'(',Item.SourcePos.Row,',',Item.SourcePos.Column,')');
- writeln(' {',Item.Msg,'}');
- end;
- str(MsgType,Expected);
- Actual:='Missing '+Expected+' ('+IntToStr(MsgNumber)+')';
- if Marker<>nil then
- Actual:=Actual+' '+ExtractFileName(Marker^.Filename)+'('+IntToStr(Marker^.Row)+','+IntToStr(Marker^.StartCol)+'..'+IntToStr(Marker^.EndCol)+')';
- Actual:=Actual+' '+Msg;
- Fail(Actual);
- end;
- procedure TCustomTestResolver.CheckResolverUnexpectedHints(
- WithSourcePos: boolean);
- var
- i: Integer;
- s, Txt: String;
- Msg: TTestResolverMessage;
- begin
- for i:=0 to MsgCount-1 do
- begin
- Msg:=Msgs[i];
- if FResolverGoodMsgs.IndexOf(Msg)>=0 then continue;
- s:='';
- str(Msg.MsgType,s);
- Txt:='Unexpected resolver message found ['+IntToStr(Msg.Id)+'] '
- +s+': ('+IntToStr(Msg.MsgNumber)+')';
- if WithSourcePos then
- Txt:=Txt+' '+ExtractFileName(Msg.SourcePos.FileName)+'('+IntToStr(Msg.SourcePos.Row)+','+IntToStr(Msg.SourcePos.Column)+')';
- Txt:=Txt+' {'+Msg.Msg+'}';
- Fail(Txt);
- end;
- end;
- procedure TCustomTestResolver.CheckResolverException(Msg: string; MsgNumber: integer);
- var
- ok: Boolean;
- Full: String;
- begin
- ok:=false;
- try
- ParseModule;
- except
- on E: EPasResolve do
- begin
- AssertEquals('Expected {'+Msg+'}, but got msg {'+E.Message+'} number',
- MsgNumber,E.MsgNumber);
- Full:=E.Message+' at '+E.SourcePos.FileName+' ('+IntToStr(E.SourcePos.Row)+','+IntToStr(E.SourcePos.Column)+')';
- if (Msg<>E.Message) and (Msg<>E.MsgPattern) and (Msg<>Full) then
- begin
- {$IFDEF VerbosePasResolver}
- writeln('TCustomTestResolver.CheckResolverException E.MsgPattern={',E.MsgPattern,'} E.Message={',E.Message,'} Full={',Full,'}');
- {$ENDIF}
- AssertEquals('Expected message ('+IntToStr(MsgNumber)+')',
- '{'+Msg+'}','{'+E.Message+'} OR {'+E.MsgPattern+'} OR {'+Full+'}');
- end;
- ok:=true;
- end;
- end;
- AssertEquals('Missing resolver error {'+Msg+'} ('+IntToStr(MsgNumber)+')',true,ok);
- end;
- procedure TCustomTestResolver.CheckParserException(Msg: string; MsgNumber: integer);
- var
- ok: Boolean;
- begin
- ok:=false;
- try
- ParseModule;
- except
- on E: EParserError do
- begin
- if (Parser.LastMsg<>Msg) and (Parser.LastMsgPattern<>Msg) and (E.Message<>Msg) then
- Fail('Expected msg {'+Msg+'}, but got {'+Parser.LastMsg+'} OR pattern {'+Parser.LastMsgPattern+'} OR E.Message {'+E.Message+'}');
- AssertEquals('Expected {'+Msg+'}, but got msg {'+E.Message+'} number',
- MsgNumber,Parser.LastMsgNumber);
- ok:=true;
- end;
- end;
- AssertEquals('Missing parser error '+Msg+' ('+IntToStr(MsgNumber)+')',true,ok);
- end;
- procedure TCustomTestResolver.CheckAccessMarkers;
- const
- AccessNames: array[TResolvedRefAccess] of string = (
- 'none',
- 'read',
- 'assign',
- 'readandassign',
- 'var',
- 'out',
- 'paramtest'
- );
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualAccess, ExpectedAccess: TResolvedRefAccess;
- i, j: Integer;
- El, El2: TPasElement;
- Ref: TResolvedReference;
- p: SizeInt;
- AccessPostfix: String;
- begin
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.CheckAccessMarkers ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- p:=RPos('_',aMarker^.Identifier);
- if p>1 then
- begin
- AccessPostfix:=copy(aMarker^.Identifier,p+1);
- ExpectedAccess:=High(TResolvedRefAccess);
- repeat
- if CompareText(AccessPostfix,AccessNames[ExpectedAccess])=0 then break;
- if ExpectedAccess=Low(TResolvedRefAccess) then
- RaiseErrorAtSrcMarker('unknown access postfix of reference at "#'+aMarker^.Identifier+'"',aMarker);
- ExpectedAccess:=Pred(ExpectedAccess);
- until false;
- Elements:=FindElementsAt(aMarker);
- try
- ActualAccess:=rraNone;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.CheckAccessMarkers ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if ActualAccess<>rraNone then
- begin
- //writeln('TTestResolver.CheckAccessMarkers multiple references at "#'+aMarker^.Identifier+'":');
- for j:=0 to Elements.Count-1 do
- begin
- El2:=TPasElement(Elements[i]);
- if not (El2.CustomData is TResolvedReference) then continue;
- //writeln('TTestResolver.CheckAccessMarkers ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- Ref:=TResolvedReference(El.CustomData);
- //writeln(' ',j,'/',Elements.Count,' Element=',GetObjName(El2),' ',AccessNames[Ref.Access],' Declaration="',El2.GetDeclaration(true),'"');
- end;
- RaiseErrorAtSrcMarker('multiple references at "#'+aMarker^.Identifier+'"',aMarker);
- end;
- ActualAccess:=Ref.Access;
- if ActualAccess=rraNone then
- RaiseErrorAtSrcMarker('missing Access in reference at "#'+aMarker^.Identifier+'"',aMarker);
- end;
- if ActualAccess<>ExpectedAccess then
- RaiseErrorAtSrcMarker('expected "'+AccessNames[ExpectedAccess]+'" at "#'+aMarker^.Identifier+'", but got "'+AccessNames[ActualAccess]+'"',aMarker);
- finally
- Elements.Free;
- end;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TCustomTestResolver.CheckParamsExpr_pkSet_Markers;
- // e.g. {#a_set} {#b_array}
- var
- aMarker: PSrcMarker;
- p: SizeInt;
- AccessPostfix: String;
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- ParamsExpr: TParamsExpr;
- NeedArray: Boolean;
- begin
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.CheckParamsExpr_pkSet_Markers ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- p:=RPos('_',aMarker^.Identifier);
- if p>1 then
- begin
- AccessPostfix:=copy(aMarker^.Identifier,p+1);
- if SameText(AccessPostfix,'set') then
- NeedArray:=false
- else if SameText(AccessPostfix,'array') then
- NeedArray:=true
- else
- RaiseErrorAtSrcMarker('unknown set/array postfix of [] expression at "#'+aMarker^.Identifier+'"',aMarker);
- Elements:=FindElementsAt(aMarker);
- try
- ParamsExpr:=nil;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.CheckParamsExpr_pkSet_Markers ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if El.ClassType<>TParamsExpr then continue;
- if ParamsExpr<>nil then
- RaiseErrorAtSrcMarker('multiple paramsexpr found at "#'+aMarker^.Identifier+'"',aMarker);
- ParamsExpr:=TParamsExpr(El);
- if NeedArray then
- begin
- if not (El.CustomData is TResolvedReference) then
- RaiseErrorAtSrcMarker('array expr has no TResolvedReference at "#'+aMarker^.Identifier+'"',aMarker);
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasArrayType) then
- RaiseErrorAtSrcMarker('array expr Ref.Decl is not TPasArrayType (is '+GetObjName(Ref.Declaration)+') at "#'+aMarker^.Identifier+'"',aMarker);
- end
- else
- begin
- if not (El.CustomData is TResolvedReference) then
- continue; // good
- Ref:=TResolvedReference(El.CustomData);
- if Ref.Declaration is TPasArrayType then
- RaiseErrorAtSrcMarker('set expr Ref.Decl is '+GetObjName(Ref.Declaration)+' at "#'+aMarker^.Identifier+'"',aMarker);
- end;
- end;
- if TParamsExpr=nil then
- RaiseErrorAtSrcMarker('missing paramsexpr at "#'+aMarker^.Identifier+'"',aMarker);
- finally
- Elements.Free;
- end;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TCustomTestResolver.CheckAttributeMarkers;
- // check markers of the form {#Attr__ClassMarker__ConstructorMarker[__OptionalName]}
- var
- aMarker, ClassMarker, ConstructorMarker: PSrcMarker;
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- s, ClassMarkerName, ConstructorMarkerName: String;
- p: SizeInt;
- ExpectedClass: TPasClassType;
- ExpectedConstrucor, ActualConstructor: TPasConstructor;
- begin
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- s:=aMarker^.Identifier;
- if SameText(LeftStr(s,6),'Attr__') then
- begin
- //writeln('TCustomTestResolver.CheckAttributeMarkers ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Delete(s,1,6);
- p:=Pos('__',s);
- if p<1 then
- RaiseErrorAtSrcMarker('missing second __ at "#'+aMarker^.Identifier+'"',aMarker);
- ClassMarkerName:=LeftStr(s,p-1);
- Delete(s,1,p+1);
- p:=Pos('__',s);
- if p<1 then
- ConstructorMarkerName:=s
- else
- ConstructorMarkerName:=copy(s,1,p-1);
- // find attribute class at ClassMarkerName
- ClassMarker:=FindSrcLabel(ClassMarkerName);
- if ClassMarker=nil then
- RaiseErrorAtSrcMarker('ClassMarker "'+ClassMarkerName+'" not found at "#'+aMarker^.Identifier+'"',aMarker);
- ExpectedClass:=nil;
- Elements:=FindElementsAt(ClassMarker);
- try
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- if El is TPasClassType then
- begin
- ExpectedClass:=TPasClassType(El);
- break;
- end;
- end;
- if ExpectedClass=nil then
- RaiseErrorAtSrcMarker('ClassMarker "'+ClassMarkerName+'" at "#'+aMarker^.Identifier+'" has no TPasClassType',aMarker);
- finally
- Elements.Free;
- end;
- // find constructor at ConstructorMarkerName
- ConstructorMarker:=FindSrcLabel(ConstructorMarkerName);
- if ConstructorMarker=nil then
- RaiseErrorAtSrcMarker('ConstructorMarker "'+ConstructorMarkerName+'" not found at "#'+aMarker^.Identifier+'"',aMarker);
- ExpectedConstrucor:=nil;
- Elements:=FindElementsAt(ConstructorMarker);
- try
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- if El is TPasConstructor then
- begin
- ExpectedConstrucor:=TPasConstructor(El);
- break;
- end;
- end;
- if ExpectedConstrucor=nil then
- RaiseErrorAtSrcMarker('ConstructorMarker "'+ConstructorMarkerName+'" at "#'+aMarker^.Identifier+'" has no TPasConstructor',aMarker);
- finally
- Elements.Free;
- end;
- Elements:=FindElementsAt(aMarker);
- try
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TCustomTestResolver.CheckAttributeMarkers ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if Ref.Declaration<>ExpectedClass then
- RaiseErrorAtSrcMarker('Ref.Declaration at "#'+aMarker^.Identifier+'", expected "'+ExpectedClass.FullName+'" but found "'+Ref.Declaration.FullName+'", El='+GetObjName(El),aMarker);
- if not (Ref.Context is TResolvedRefCtxAttrProc) then
- RaiseErrorAtSrcMarker('Ref.Context at "#'+aMarker^.Identifier+'", expected "TResolvedRefCtxAttrConstructor" but found "'+GetObjName(Ref.Context)+'", El='+GetObjName(El),aMarker);
- ActualConstructor:=TResolvedRefCtxAttrProc(Ref.Context).Proc;
- if ActualConstructor<>ExpectedConstrucor then
- RaiseErrorAtSrcMarker('Ref.Context.Proc at "#'+aMarker^.Identifier+'", expected "'+ExpectedConstrucor.FullName+'" but found "'+ActualConstructor.FullName+'", El='+GetObjName(El),aMarker);
- break;
- end;
- finally
- Elements.Free;
- end;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TCustomTestResolver.GetSrc(Index: integer; out SrcLines: TStringList; out
- aFilename: string);
- var
- aStream: TStream;
- begin
- SrcLines:=TStringList.Create;
- aStream:=Resolver.Streams.Objects[Index] as TStream;
- aStream.Position:=0;
- SrcLines.LoadFromStream(aStream);
- aFilename:=Resolver.Streams[Index];
- end;
- function TCustomTestResolver.FindElementsAt(aFilename: string; aLine, aStartCol,
- aEndCol: integer): TFPList;
- var
- ok: Boolean;
- FoundRefs: TTestResolverReferenceData;
- i: Integer;
- CurResolver: TTestEnginePasResolver;
- begin
- //writeln('TCustomTestResolver.FindElementsAt START "',aFilename,'" Line=',aLine,' Col=',aStartCol,'-',aEndCol);
- FoundRefs:=Default(TTestResolverReferenceData);
- FoundRefs.Filename:=aFilename;
- FoundRefs.Row:=aLine;
- FoundRefs.StartCol:=aStartCol;
- FoundRefs.EndCol:=aEndCol;
- FoundRefs.Found:=TFPList.Create;
- ok:=false;
- try
- // find all markers
- Module.ForEachCall(@OnFindReference,@FoundRefs);
- for i:=0 to ModuleCount-1 do
- begin
- CurResolver:=Modules[i];
- if CurResolver.Module=Module then continue;
- //writeln('TCustomTestResolver.FindElementsAt ',CurResolver.Filename);
- CurResolver.Module.ForEachCall(@OnFindReference,@FoundRefs);
- end;
- ok:=true;
- finally
- if not ok then
- FreeAndNil(FoundRefs.Found);
- end;
- Result:=FoundRefs.Found;
- FoundRefs.Found:=nil;
- end;
- function TCustomTestResolver.FindElementsAt(aMarker: PSrcMarker;
- ErrorOnNoElements: boolean): TFPList;
- begin
- Result:=FindElementsAt(aMarker^.Filename,aMarker^.Row,aMarker^.StartCol,aMarker^.EndCol);
- if ErrorOnNoElements and ((Result=nil) or (Result.Count=0)) then
- RaiseErrorAtSrcMarker('marker '+SrcMarker[aMarker^.Kind]+aMarker^.Identifier+' has no elements',aMarker);
- end;
- function TCustomTestResolver.FindSrcLabel(const Identifier: string): PSrcMarker;
- begin
- Result:=FirstSrcMarker;
- while Result<>nil do
- begin
- if (Result^.Kind=mkLabel)
- and (CompareText(Result^.Identifier,Identifier)=0) then
- exit;
- Result:=Result^.Next;
- end;
- end;
- function TCustomTestResolver.FindElementsAtSrcLabel(const Identifier: string;
- ErrorOnNoElements: boolean): TFPList;
- var
- SrcLabel: PSrcMarker;
- begin
- SrcLabel:=FindSrcLabel(Identifier);
- if SrcLabel=nil then
- Fail('missing label "'+Identifier+'"');
- Result:=FindElementsAt(SrcLabel,ErrorOnNoElements);
- end;
- procedure TCustomTestResolver.WriteSources(const aFilename: string; aRow,
- aCol: integer);
- var
- IsSrc: Boolean;
- i, j: Integer;
- SrcLines: TStringList;
- SrcFilename, Line: string;
- begin
- for i:=0 to Resolver.Streams.Count-1 do
- begin
- GetSrc(i,SrcLines,SrcFilename);
- IsSrc:=ExtractFilename(SrcFilename)=ExtractFileName(aFilename);
- writeln('Testcode:-File="',SrcFilename,'"----------------------------------:');
- for j:=1 to SrcLines.Count do
- begin
- Line:=SrcLines[j-1];
- if IsSrc and (j=aRow) then
- begin
- write('*');
- Line:=LeftStr(Line,aCol-1)+'|'+copy(Line,aCol,length(Line));
- end;
- writeln(Format('%:4d: ',[j]),Line);
- end;
- SrcLines.Free;
- end;
- end;
- procedure TCustomTestResolver.RaiseErrorAtSrc(Msg: string; const aFilename: string;
- aRow, aCol: integer);
- var
- s: String;
- begin
- WriteSources(aFilename,aRow,aCol);
- s:='[TTestResolver.RaiseErrorAtSrc] '+aFilename+'('+IntToStr(aRow)+','+IntToStr(aCol)+') Error: '+Msg;
- writeln('ERROR: ',s);
- Fail(s);
- end;
- procedure TCustomTestResolver.RaiseErrorAtSrcMarker(Msg: string; aMarker: PSrcMarker);
- begin
- RaiseErrorAtSrc(Msg,aMarker^.Filename,aMarker^.Row,aMarker^.StartCol);
- end;
- procedure TCustomTestResolver.HandleError(CurEngine: TTestEnginePasResolver;
- E: Exception);
- var
- ErrFilename: String;
- ErrRow, ErrCol: Integer;
- begin
- ErrFilename:=CurEngine.Scanner.CurFilename;
- ErrRow:=CurEngine.Scanner.CurRow;
- ErrCol:=CurEngine.Scanner.CurColumn;
- writeln('ERROR: TCustomTestResolver.HandleError during parsing: '+E.ClassName+':'+E.Message
- +' File='+ErrFilename
- +' LineNo='+IntToStr(ErrRow)
- +' Col='+IntToStr(ErrCol)
- +' Line="'+CurEngine.Scanner.CurLine+'"'
- );
- WriteSources(ErrFilename,ErrRow,ErrCol);
- Fail(E.Message);
- end;
- constructor TCustomTestResolver.Create;
- begin
- inherited Create;
- FResolverMsgs:=TObjectList.Create(true);
- FResolverGoodMsgs:=TFPList.Create;
- end;
- destructor TCustomTestResolver.Destroy;
- begin
- FreeAndNil(FResolverMsgs);
- FreeAndNil(FResolverGoodMsgs);
- inherited Destroy;
- end;
- function TCustomTestResolver.FindModuleWithFilename(aFilename: string
- ): TTestEnginePasResolver;
- var
- i: Integer;
- begin
- for i:=0 to ModuleCount-1 do
- if CompareText(Modules[i].Filename,aFilename)=0 then
- exit(Modules[i]);
- Result:=nil;
- end;
- function TCustomTestResolver.AddModule(aFilename: string): TTestEnginePasResolver;
- begin
- //writeln('TTestResolver.AddModule ',aFilename);
- if FindModuleWithFilename(aFilename)<>nil then
- Fail('TTestResolver.AddModule: file "'+aFilename+'" already exists');
- Result:=TTestEnginePasResolver.Create;
- Result.Filename:=aFilename;
- Result.AddObjFPCBuiltInIdentifiers;
- Result.OnFindUnit:=@OnPasResolverFindUnit;
- Result.OnLog:=@OnPasResolverLog;
- FModules.Add(Result);
- end;
- function TCustomTestResolver.AddModuleWithSrc(aFilename, Src: string
- ): TTestEnginePasResolver;
- begin
- Result:=AddModule(aFilename);
- Result.Source:=Src;
- end;
- function TCustomTestResolver.AddModuleWithIntfImplSrc(aFilename, InterfaceSrc,
- ImplementationSrc: string): TTestEnginePasResolver;
- var
- Src: String;
- begin
- Src:='unit '+ExtractFileUnitName(aFilename)+';'+LineEnding;
- Src+=LineEnding;
- Src+='interface'+LineEnding;
- Src+=LineEnding;
- Src+=InterfaceSrc;
- Src+='implementation'+LineEnding;
- Src+=LineEnding;
- Src+=ImplementationSrc;
- Src+='end.'+LineEnding;
- Result:=AddModuleWithSrc(aFilename,Src);
- end;
- procedure TCustomTestResolver.AddSystemUnit(Parts: TSystemUnitParts);
- var
- Intf, Impl: TStringList;
- begin
- Intf:=TStringList.Create;
- // interface
- Intf.Add('type');
- Intf.Add(' integer=longint;');
- Intf.Add(' sizeint=int64;');
- //'const',
- //' LineEnding = #10;',
- //' DirectorySeparator = ''/'';',
- //' DriveSeparator = '''';',
- //' AllowDirectorySeparators : set of char = [''\'',''/''];',
- //' AllowDriveSeparators : set of char = [];',
- if supTObject in Parts then
- begin
- Intf.AddStrings([
- 'type',
- ' TClass = class of TObject;',
- ' TObject = class',
- ' constructor Create;',
- ' destructor Destroy; virtual;',
- ' class function ClassType: TClass; assembler;',
- ' class function ClassName: String; assembler;',
- ' class function ClassNameIs(const Name: string): boolean;',
- ' class function ClassParent: TClass; assembler;',
- ' class function InheritsFrom(aClass: TClass): boolean; assembler;',
- ' class function UnitName: String; assembler;',
- ' procedure AfterConstruction; virtual;',
- ' procedure BeforeDestruction;virtual;',
- ' function Equals(Obj: TObject): boolean; virtual;',
- ' function ToString: String; virtual;',
- ' end;']);
- end;
- if supTVarRec in Parts then
- begin
- Intf.AddStrings([
- 'const',
- ' vtInteger = 0;',
- ' vtBoolean = 1;',
- 'type',
- ' PVarRec = ^TVarRec;',
- ' TVarRec = record',
- ' case VType : sizeint of',
- ' vtInteger : (VInteger: Longint);',
- ' vtBoolean : (VBoolean: Boolean);',
- ' end;']);
- end;
- Intf.Add('var');
- Intf.Add(' ExitCode: Longint = 0;');
- // implementation
- Impl:=TStringList.Create;
- if supTObject in Parts then
- begin
- Impl.AddStrings([
- '// needed by ClassNameIs, the real SameText is in SysUtils',
- 'function SameText(const s1, s2: String): Boolean; assembler;',
- 'asm',
- 'end;',
- 'constructor TObject.Create; begin end;',
- 'destructor TObject.Destroy; begin end;',
- 'class function TObject.ClassType: TClass; assembler;',
- 'asm',
- 'end;',
- 'class function TObject.ClassName: String; assembler;',
- 'asm',
- 'end;',
- 'class function TObject.ClassNameIs(const Name: string): boolean;',
- 'begin',
- ' Result:=SameText(Name,ClassName);',
- 'end;',
- 'class function TObject.ClassParent: TClass; assembler;',
- 'asm',
- 'end;',
- 'class function TObject.InheritsFrom(aClass: TClass): boolean; assembler;',
- 'asm',
- 'end;',
- 'class function TObject.UnitName: String; assembler;',
- 'asm',
- 'end;',
- 'procedure TObject.AfterConstruction; begin end;',
- 'procedure TObject.BeforeDestruction; begin end;',
- 'function TObject.Equals(Obj: TObject): boolean;',
- 'begin',
- ' Result:=Obj=Self;',
- 'end;',
- 'function TObject.ToString: String;',
- 'begin',
- ' Result:=ClassName;',
- 'end;'
- ]);
- end;
- try
- AddModuleWithIntfImplSrc('system.pp',Intf.Text,Impl.Text);
- finally
- Intf.Free;
- Impl.Free;
- end;
- end;
- procedure TCustomTestResolver.StartProgram(NeedSystemUnit: boolean;
- SystemUnitParts: TSystemUnitParts);
- begin
- if NeedSystemUnit then
- AddSystemUnit(SystemUnitParts)
- else
- Parser.ImplicitUses.Clear;
- Add('program '+ExtractFileUnitName(MainFilename)+';');
- end;
- procedure TCustomTestResolver.StartUnit(NeedSystemUnit: boolean);
- begin
- if NeedSystemUnit then
- AddSystemUnit
- else
- Parser.ImplicitUses.Clear;
- Add('unit '+ExtractFileUnitName(MainFilename)+';');
- end;
- function TCustomTestResolver.OnPasResolverFindUnit(SrcResolver: TPasResolver;
- const aUnitName, InFilename: String; NameExpr, InFileExpr: TPasExpr
- ): TPasModule;
- function InitUnit(CurEngine: TTestEnginePasResolver): TPasModule;
- begin
- if CurEngine.Module<>nil then
- Fail('InitUnit '+GetObjName(CurEngine.Module));
- CurEngine.StreamResolver:=Resolver;
- //writeln('TTestResolver.OnPasResolverFindUnit SOURCE=',CurEngine.Source);
- CurEngine.StreamResolver.AddStream(CurEngine.FileName,
- TStringStream.Create(CurEngine.Source));
- CurEngine.Scanner:=TPascalScanner.Create(CurEngine.StreamResolver);
- CurEngine.Scanner.CurrentBoolSwitches:=[bsHints,bsNotes,bsWarnings];
- CurEngine.Parser:=TPasParser.Create(CurEngine.Scanner,
- CurEngine.StreamResolver,CurEngine);
- CurEngine.Parser.Options:=CurEngine.Parser.Options+[po_StopOnUnitInterface];
- if CompareText(ExtractFileUnitName(CurEngine.Filename),'System')=0 then
- CurEngine.Parser.ImplicitUses.Clear;
- CurEngine.Scanner.OpenFile(CurEngine.Filename);
- try
- CurEngine.Parser.NextToken;
- CurEngine.Parser.ParseUnit(CurEngine.FModule);
- except
- on E: Exception do
- HandleError(CurEngine,E);
- end;
- //writeln('TTestResolver.OnPasResolverFindUnit END ',CurUnitName);
- Result:=CurEngine.Module;
- end;
- function FindUnit(const aUnitName: String): TPasModule;
- var
- i: Integer;
- CurEngine: TTestEnginePasResolver;
- CurUnitName: String;
- begin
- {$IFDEF VerboseUnitSearch}
- writeln('TTestResolver.OnPasResolverFindUnit START Unit="',aUnitName,'"');
- {$ENDIF}
- Result:=nil;
- for i:=0 to ModuleCount-1 do
- begin
- CurEngine:=Modules[i];
- CurUnitName:=ExtractFileUnitName(CurEngine.Filename);
- {$IFDEF VerboseUnitSearch}
- writeln('TTestResolver.OnPasResolverFindUnit Checking ',i,'/',ModuleCount,' ',CurEngine.Filename,' ',CurUnitName);
- {$ENDIF}
- if CompareText(aUnitName,CurUnitName)=0 then
- begin
- Result:=CurEngine.Module;
- {$IFDEF VerboseUnitSearch}
- writeln('TTestResolver.OnPasResolverFindUnit Found unit "',CurEngine.Filename,'" Module=',GetObjName(Result));
- {$ENDIF}
- if Result<>nil then exit;
- {$IFDEF VerboseUnitSearch}
- writeln('TTestResolver.OnPasResolverFindUnit PARSING unit "',CurEngine.Filename,'"');
- {$ENDIF}
- Result:=InitUnit(CurEngine);
- exit;
- end;
- end;
- end;
- function GetResolver(aFilename: string): boolean;
- var
- CurEngine: TTestEnginePasResolver;
- aModule: TPasModule;
- begin
- {$IFDEF VerbosePasResolver}
- writeln('TCustomTestResolver.OnPasResolverFindUnit searching file "',aFilename,'"');
- {$ENDIF}
- CurEngine:=FindModuleWithFilename(aFilename);
- if CurEngine=nil then exit(false);
- aModule:=InitUnit(CurEngine);
- if aModule=nil then exit(false);
- OnPasResolverFindUnit:=aModule;
- Result:=true;
- end;
- var
- aFilename: String;
- begin
- if SrcResolver=nil then ;
- if NameExpr=nil then ;
- if InFilename<>'' then
- begin
- // uses IN parameter
- {$IFDEF VerbosePasResolver}
- writeln('TCustomTestResolver.OnPasResolverFindUnit searching IN-file "',InFilename,'"');
- {$ENDIF}
- if SrcResolver<>ResolverEngine then
- SrcResolver.RaiseMsg(20180222004753,100000,'in-file only allowed in program',
- [],InFileExpr);
- aFilename:=InFilename;
- DoDirSeparators(aFilename);
- if FilenameIsAbsolute(aFilename) then
- if GetResolver(aFilename) then exit;
- aFilename:=ExtractFilePath(ResolverEngine.Filename)+aFilename;
- if GetResolver(aFilename) then exit;
- SrcResolver.RaiseMsg(20180222004311,100001,'in-file ''%s'' not found',
- [InFilename],InFileExpr);
- end;
- if (Pos('.',aUnitName)<1) and (ResolverEngine.DefaultNameSpace<>'') then
- begin
- // first search in default program namespace
- {$IFDEF VerbosePasResolver}
- writeln('TCustomTestResolver.OnPasResolverFindUnit searching "',aUnitName,'" in default program/library namespace "',ResolverEngine.DefaultNameSpace,'"');
- {$ENDIF}
- Result:=FindUnit(ResolverEngine.DefaultNameSpace+'.'+aUnitName);
- if Result<>nil then exit;
- end;
- Result:=FindUnit(aUnitName);
- if Result<>nil then exit;
- {$IFDEF VerbosePasResolver}
- writeln('TTestResolver.OnPasResolverFindUnit missing unit "',aUnitName,'"');
- {$ENDIF}
- end;
- procedure TCustomTestResolver.OnFindReference(El: TPasElement; FindData: pointer);
- var
- Data: PTestResolverReferenceData absolute FindData;
- Line, Col: integer;
- begin
- ResolverEngine.UnmangleSourceLineNumber(El.SourceLinenumber,Line,Col);
- //writeln('TTestResolver.OnFindReference ',El.SourceFilename,' Line=',Line,',Col=',Col,' ',GetObjName(El),' SearchFile=',Data^.Filename,',Line=',Data^.Row,',Col=',Data^.StartCol,'-',Data^.EndCol);
- if (Data^.Filename=El.SourceFilename)
- and (Data^.Row=Line)
- and (Data^.StartCol<=Col)
- and (Data^.EndCol>=Col)
- then
- Data^.Found.Add(El);
- end;
- procedure TCustomTestResolver.OnCheckElementParent(El: TPasElement; arg: pointer);
- var
- SubEl: TPasElement;
- i: Integer;
- procedure E(Msg: string);
- var
- s: String;
- begin
- s:='TTestResolver.OnCheckElementParent El='+GetTreeDbg(El)+' '+
- ResolverEngine.GetElementSourcePosStr(El)+' '+Msg;
- writeln('ERROR: ',s);
- Fail(s);
- end;
- begin
- if arg=nil then ;
- //writeln('TTestResolver.OnCheckElementParent ',GetObjName(El));
- if El=nil then exit;
- if El.Parent=El then
- E('El.Parent=El='+GetObjName(El));
- if El is TBinaryExpr then
- begin
- if (TBinaryExpr(El).left<>nil) and (TBinaryExpr(El).left.Parent<>El) then
- E('TBinaryExpr(El).left.Parent='+GetObjName(TBinaryExpr(El).left.Parent)+'<>El');
- if (TBinaryExpr(El).right<>nil) and (TBinaryExpr(El).right.Parent<>El) then
- E('TBinaryExpr(El).right.Parent='+GetObjName(TBinaryExpr(El).right.Parent)+'<>El');
- end
- else if El is TParamsExpr then
- begin
- if (TParamsExpr(El).Value<>nil) and (TParamsExpr(El).Value.Parent<>El) then
- E('TParamsExpr(El).Value.Parent='+GetObjName(TParamsExpr(El).Value.Parent)+'<>El');
- for i:=0 to length(TParamsExpr(El).Params)-1 do
- if TParamsExpr(El).Params[i].Parent<>El then
- E('TParamsExpr(El).Params[i].Parent='+GetObjName(TParamsExpr(El).Params[i].Parent)+'<>El');
- end
- else if El is TProcedureExpr then
- begin
- if (TProcedureExpr(El).Proc<>nil) and (TProcedureExpr(El).Proc.Parent<>El) then
- E('TProcedureExpr(El).Proc.Parent='+GetObjName(TProcedureExpr(El).Proc.Parent)+'<>El');
- end
- else if El is TPasDeclarations then
- begin
- for i:=0 to TPasDeclarations(El).Declarations.Count-1 do
- begin
- SubEl:=TPasElement(TPasDeclarations(El).Declarations[i]);
- if SubEl.Parent<>El then
- E('SubEl=TPasElement(TPasDeclarations(El).Declarations[i])='+GetObjName(SubEl)+' SubEl.Parent='+GetObjName(SubEl.Parent)+'<>El');
- end;
- end
- else if El is TPasImplBlock then
- begin
- for i:=0 to TPasImplBlock(El).Elements.Count-1 do
- begin
- SubEl:=TPasElement(TPasImplBlock(El).Elements[i]);
- if SubEl.Parent<>El then
- E('TPasElement(TPasImplBlock(El).Elements[i]).Parent='+GetObjName(SubEl.Parent)+'<>El');
- end;
- end
- else if El is TPasImplWithDo then
- begin
- for i:=0 to TPasImplWithDo(El).Expressions.Count-1 do
- begin
- SubEl:=TPasExpr(TPasImplWithDo(El).Expressions[i]);
- if SubEl.Parent<>El then
- E('TPasExpr(TPasImplWithDo(El).Expressions[i]).Parent='+GetObjName(SubEl.Parent)+'<>El');
- end;
- end
- else if El is TPasProcedure then
- begin
- if TPasProcedure(El).ProcType.Parent<>El then
- E('TPasProcedure(El).ProcType.Parent='+GetObjName(TPasProcedure(El).ProcType.Parent)+'<>El');
- end
- else if El is TPasProcedureType then
- begin
- for i:=0 to TPasProcedureType(El).Args.Count-1 do
- if TPasArgument(TPasProcedureType(El).Args[i]).Parent<>El then
- E('TPasArgument(TPasProcedureType(El).Args[i]).Parent='+GetObjName(TPasArgument(TPasProcedureType(El).Args[i]).Parent)+'<>El');
- end;
- end;
- procedure TCustomTestResolver.FreeSrcMarkers;
- var
- aMarker, Last: PSrcMarker;
- begin
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- Last:=aMarker;
- aMarker:=aMarker^.Next;
- Dispose(Last);
- end;
- FirstSrcMarker:=nil;
- LastSrcMarker:=nil;
- end;
- procedure TCustomTestResolver.OnPasResolverLog(Sender: TObject;
- const Msg: String);
- var
- aResolver: TTestEnginePasResolver;
- Item: TTestResolverMessage;
- begin
- aResolver:=Sender as TTestEnginePasResolver;
- Item:=TTestResolverMessage.Create;
- Item.Id:=aResolver.LastMsgId;
- Item.MsgType:=aResolver.LastMsgType;
- Item.MsgNumber:=aResolver.LastMsgNumber;
- Item.Msg:=Msg;
- Item.SourcePos:=aResolver.LastSourcePos;
- {$IFDEF VerbosePasResolver}
- writeln('TCustomTestResolver.OnPasResolverLog ',GetObjName(Sender),' ',Item.MsgType,' (',Item.MsgNumber,') {',Msg,'}');
- {$ENDIF}
- FResolverMsgs.Add(Item);
- end;
- procedure TCustomTestResolver.ScannerDirective(Sender: TObject; Directive,
- Param: String; var Handled: boolean);
- var
- aScanner: TPascalScanner;
- begin
- if Handled then exit;
- aScanner:=Sender as TPascalScanner;
- aScanner.LastMsgType:=mtError;
- aScanner.LastMsg:='unknown directive "'+Directive+'"';
- aScanner.LastMsgPattern:=aScanner.LastMsg;
- aScanner.LastMsgArgs:=nil;
- raise EScannerError.Create(aScanner.LastMsg);
- if Param='' then ;
- end;
- function TCustomTestResolver.GetModules(Index: integer): TTestEnginePasResolver;
- begin
- Result:=TTestEnginePasResolver(FModules[Index]);
- end;
- function TCustomTestResolver.GetMsgCount: integer;
- begin
- Result:=FResolverMsgs.Count;
- end;
- function TCustomTestResolver.GetMsgs(Index: integer): TTestResolverMessage;
- begin
- Result:=TTestResolverMessage(FResolverMsgs[Index]);
- end;
- procedure TCustomTestResolver.OnPasResolverContinueParsing(Sender: TPasResolver
- );
- var
- CurEngine: TTestEnginePasResolver;
- begin
- CurEngine:=Sender as TTestEnginePasResolver;
- {$IFDEF VerbosePasResolver}
- writeln('TCustomTestResolver.OnPasResolverContinueParsing "',CurEngine.Module.Name,'"...');
- {$ENDIF}
- try
- CurEngine.Parser.ParseContinue;
- except
- on E: Exception do
- HandleError(CurEngine,E);
- end;
- end;
- function TCustomTestResolver.GetModuleCount: integer;
- begin
- Result:=FModules.Count;
- end;
- { TTestResolver }
- procedure TTestResolver.TestEmpty;
- begin
- StartProgram(false);
- Add('begin');
- ParseProgram;
- AssertEquals('No statements',0,PasProgram.InitializationSection.Elements.Count);
- end;
- procedure TTestResolver.TestAliasType;
- var
- El: TPasElement;
- T: TPasAliasType;
- begin
- StartProgram(false);
- Add('type');
- Add(' tint=longint;');
- Add('begin');
- ParseProgram;
- AssertEquals('1 declaration',1,PasProgram.ProgramSection.Declarations.Count);
- El:=TPasElement(PasProgram.ProgramSection.Declarations[0]);
- AssertEquals('Type',TPasAliasType,El.ClassType);
- T:=TPasAliasType(El);
- AssertEquals('Type tint','tint',T.Name);
- AssertEquals('Type built-in',TPasUnresolvedSymbolRef,T.DestType.ClassType);
- AssertEquals('longint type','longint',lowercase(T.DestType.Name));
- end;
- procedure TTestResolver.TestAlias2Type;
- var
- El: TPasElement;
- T1, T2: TPasAliasType;
- DestT1, DestT2: TPasType;
- begin
- StartProgram(false);
- Add('type');
- Add(' tint1=longint;');
- Add(' tint2=tint1;');
- Add('begin');
- ParseProgram;
- AssertEquals('2 declaration',2,PasProgram.ProgramSection.Declarations.Count);
- El:=TPasElement(PasProgram.ProgramSection.Declarations[0]);
- AssertEquals('Type',TPasAliasType,El.ClassType);
- T1:=TPasAliasType(El);
- AssertEquals('Type tint1','tint1',T1.Name);
- DestT1:=T1.DestType;
- AssertEquals('built-in',TPasUnresolvedSymbolRef,DestT1.ClassType);
- AssertEquals('built-in longint','longint',lowercase(DestT1.Name));
- El:=TPasElement(PasProgram.ProgramSection.Declarations[1]);
- AssertEquals('Type',TPasAliasType,El.ClassType);
- T2:=TPasAliasType(El);
- AssertEquals('Type tint2','tint2',T2.Name);
- DestT2:=T2.DestType;
- AssertEquals('points to alias type',TPasAliasType,DestT2.ClassType);
- AssertEquals('points to tint1','tint1',DestT2.Name);
- end;
- procedure TTestResolver.TestAliasTypeRefs;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#a}a=longint;');
- Add(' {#b}{=a}b=a;');
- Add('var');
- Add(' {=a}c: a;');
- Add(' {=b}d: b;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestAliasOfVarFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' a: char;');
- Add('type');
- Add(' t=a;');
- Add('begin');
- CheckParserException('Expected type, but got variable',PParser.nParserExpectedTypeButGot);
- end;
- procedure TTestResolver.TestAliasType_UnitPrefix;
- begin
- StartUnit(false);
- Add('interface');
- Add('type');
- Add(' {#a}a=longint;');
- Add(' {#b}{=a}b=afile.a;');
- Add('var');
- Add(' {=a}c: a;');
- Add(' {=b}d: b;');
- Add('implementation');
- ParseUnit;
- end;
- procedure TTestResolver.TestAliasType_UnitPrefix_CycleFail;
- begin
- StartUnit(false);
- Add('interface');
- Add('type');
- Add(' {#a}a=afile.a;');
- Add('implementation');
- CheckResolverException('identifier not found "a"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestAliasTypeNotFoundPosition;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TColor = NotThere;');
- CheckResolverException('identifier not found "NotThere"',nIdentifierNotFound);
- // TColor element was not created yet, so LastElement must be nil
- AssertNull('ResolverEngine.LastElement',ResolverEngine.LastElement);
- with ResolverEngine.LastSourcePos do
- begin
- //writeln('TTestResolver.TestAliasTypeNotFoundPosition ',FileName,' ',Row,' ',Col);
- //WriteSources(FileName,Row,Column);
- AssertEquals('ResolverEngine.LastSourcePos.Filename','afile.pp',FileName);
- AssertEquals('ResolverEngine.LastSourcePos.Row',4,Row);
- AssertEquals('ResolverEngine.LastSourcePos.Column',20,Column);
- end;
- end;
- procedure TTestResolver.TestTypeAliasType;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {#integer}integer = longint;',
- ' {#tcolor}TColor = type integer;',
- 'var',
- ' {=integer}i: integer;',
- ' {=tcolor}c: TColor;',
- 'begin',
- ' c:=i;',
- ' i:=c;',
- ' i:=integer(c);',
- ' c:=TColor(i);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestVarLongint;
- var
- El: TPasElement;
- V1: TPasVariable;
- DestT1: TPasType;
- begin
- StartProgram(false);
- Add('var');
- Add(' v1:longint;');
- Add('begin');
- ParseProgram;
- AssertEquals('1 declaration',1,PasProgram.ProgramSection.Declarations.Count);
- El:=TPasElement(PasProgram.ProgramSection.Declarations[0]);
- AssertEquals('var',TPasVariable,El.ClassType);
- V1:=TPasVariable(El);
- AssertEquals('var v1','v1',V1.Name);
- DestT1:=V1.VarType;
- AssertEquals('built-in',TPasUnresolvedSymbolRef,DestT1.ClassType);
- AssertEquals('built-in longint','longint',lowercase(DestT1.Name));
- end;
- procedure TTestResolver.TestVarInteger;
- var
- El: TPasElement;
- V1: TPasVariable;
- DestT1: TPasType;
- begin
- StartProgram(true);
- Add('var');
- Add(' v1:integer;'); // defined in system.pp
- Add('begin');
- ParseProgram;
- AssertEquals('1 declaration',1,PasProgram.ProgramSection.Declarations.Count);
- El:=TPasElement(PasProgram.ProgramSection.Declarations[0]);
- AssertEquals('var',TPasVariable,El.ClassType);
- V1:=TPasVariable(El);
- AssertEquals('var v1','v1',V1.Name);
- DestT1:=V1.VarType;
- AssertNotNull('v1 type',DestT1);
- AssertEquals('built-in',TPasAliasType,DestT1.ClassType);
- AssertEquals('built-in integer','integer',DestT1.Name);
- AssertNull('v1 no expr',V1.Expr);
- end;
- procedure TTestResolver.TestConstInteger;
- var
- El: TPasElement;
- C1: TPasConst;
- DestT1: TPasType;
- ExprC1: TPrimitiveExpr;
- begin
- StartProgram(true);
- Add('const');
- Add(' c1: integer=3;'); // defined in system.pp
- Add('begin');
- ParseProgram;
- AssertEquals('1 declaration',1,PasProgram.ProgramSection.Declarations.Count);
- El:=TPasElement(PasProgram.ProgramSection.Declarations[0]);
- AssertEquals('const',TPasConst,El.ClassType);
- C1:=TPasConst(El);
- AssertEquals('const c1','c1',C1.Name);
- DestT1:=C1.VarType;
- AssertNotNull('c1 type',DestT1);
- AssertEquals('built-in',TPasAliasType,DestT1.ClassType);
- AssertEquals('built-in integer','integer',DestT1.Name);
- ExprC1:=TPrimitiveExpr(C1.Expr);
- AssertNotNull('c1 expr',ExprC1);
- AssertEquals('c1 expr primitive',TPrimitiveExpr,ExprC1.ClassType);
- AssertEquals('c1 expr value','3',ExprC1.Value);
- end;
- procedure TTestResolver.TestConstInteger2;
- begin
- StartProgram(false);
- Add('const');
- Add(' c1 = 3');
- Add(' c2: longint=c1;');
- Add('begin');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestDuplicateVar;
- begin
- StartProgram(false);
- Add('var a: longint;');
- Add('var a: string;');
- Add('begin');
- CheckResolverException(sDuplicateIdentifier,nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestVarInitConst;
- begin
- StartProgram(false);
- Add('const {#c}c=1;');
- Add('var a: longint = {@c}c;');
- Add('begin');
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestVarOfVarFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' a: char;');
- Add(' b: a;');
- Add('begin');
- CheckParserException('Expected type, but got variable',PParser.nParserExpectedTypeButGot);
- end;
- procedure TTestResolver.TestConstOfVarFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' a: longint;');
- Add('const');
- Add(' b: a = 1;');
- Add('begin');
- CheckParserException('Expected type, but got variable',PParser.nParserExpectedTypeButGot);
- end;
- procedure TTestResolver.TestTypedConstWrongExprFail;
- begin
- StartProgram(false);
- Add('const');
- Add(' a: string = 1;');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestVarWrongExprFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' a: string = 1;');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArgWrongExprFail;
- begin
- StartProgram(false);
- Add('procedure ProcA(a: string = 1);');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestTypedConstInConstExprFail;
- begin
- StartProgram(false);
- Add('const');
- Add(' a: longint = 3;');
- Add(' b: longint = a;');
- Add('begin');
- CheckResolverException('Constant expression expected',nConstantExpressionExpected);
- end;
- procedure TTestResolver.TestVarExternal;
- begin
- StartProgram(false);
- Add('var');
- Add(' NaN: double; external name ''Global.Nan'';');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestVarNoSemicolonBeginFail;
- begin
- StartProgram(false);
- Add('procedure DoIt; begin end;');
- Add('var');
- Add(' i: longint');
- Add('begin');
- Add(' doit;');
- CheckParserException('Expected ";"',
- nParserExpectTokenError);
- end;
- procedure TTestResolver.TestConstIntOperators;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' integer = longint;',
- 'const',
- ' a:byte=1+2;',
- ' b:shortint=1-2;',
- ' c:word=2*3;',
- ' d:smallint=5 div 2;',
- ' e:longword=5 mod 2;',
- ' f:longint=5 shl 2;',
- ' g:qword=5 shr 2;',
- ' h:boolean=5=2;',
- ' i:boolean=5<>2;',
- ' j:boolean=5<2;',
- ' k:boolean=5>2;',
- ' l:boolean=5<=2;',
- ' m:boolean=5>=2;',
- ' n:longword=5 and 2;',
- ' o:longword=5 or 2;',
- ' p:longword=5 xor 2;',
- ' q:longword=not (5 or not 2);',
- ' r=low(word)+high(int64);',
- ' s=low(longint)+high(integer);',
- ' t=succ(2)+pred(2);',
- ' lo1:byte=lo(word($1234));',
- ' hi1:byte=hi(word($1234));',
- ' lo2:word=lo(longword($1234CDEF));',
- ' hi2:word=hi(longword($1234CDEF));',
- ' lo3:word=lo(LongInt(-$1234CDEF));',
- ' hi3:word=hi(LongInt(-$1234CDEF));',
- ' lo4:byte=lo(byte($34));',
- ' hi4:byte=hi(byte($34));',
- ' lo5:byte=lo(shortint(-$34));',
- ' hi5:byte=hi(shortint(-$34));',
- ' lo6:longword=lo($123456789ABCDEF0);',
- ' hi6:longword=hi($123456789ABCDEF0);',
- ' lo7:longword=lo(-$123456789ABCDEF0);',
- ' hi7:longword=hi(-$123456789ABCDEF0);',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestConstBitwiseOps;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' a=3;',
- ' b=not a;',
- ' c=not word(a);',
- ' d=1 shl 2;',
- ' e=13 shr 1;',
- ' f=13 and 5;',
- ' g=10 or 5;',
- ' h=5 xor 7;',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestConstExternal;
- begin
- Parser.Options:=Parser.Options+[po_ExtConstWithoutExpr];
- StartProgram(false);
- Add([
- 'const',
- ' PI: double; external name ''Global.PI'';',
- ' Tau = 2*PI;',
- ' TauD: double = 2*PI;',
- 'var',
- ' d: double = PI;',
- ' e: double = PI+Tau;',
- 'begin',
- ' d:=pi+tau;']);
- ParseProgram;
- // ToDo: fail on const Tau = 2*Var
- end;
- procedure TTestResolver.TestIntegerTypeCast;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' a=longint(-11);',
- ' b=not shortint(-12);',
- ' c=word(-2);',
- ' d=word(longword(-3));',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestConstFloatOperators;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' a=4/2 + 6.1/3 + 8.1/4.1 + 10/5.1;',
- ' b=(1.1+1) + (2.1+3.1) + (4+5.1);',
- ' c=(1.1-1) + (2.1-3.1) + (4-5.1);',
- ' d=4*2 + 6.1*3 + 8.1*4.1 + 10*5.1;',
- ' e=a=b;',
- ' f=a<>b;',
- ' g=a>b;',
- ' h=a>=b;',
- ' i=a<b;',
- ' j=a<=b;',
- ' k=(1.1<1) or (2.1<3.1) or (4<5.1);',
- ' l=(1.1=1) or (2.1=3.1) or (4=5.1);',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestFloatTypeCast;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' a=-123456890123456789012345;',
- ' b: double=-123456890123456789012345;',
- ' c=single(double(-123456890123456789012345));',
- ' d=single(-1);',
- ' e=single(word(-1));',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestCurrency;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' a: currency = -922337203685477.5808;',
- ' b: currency = 922337203685477.5807;',
- ' c=double(currency(-123456890123456));',
- ' d=currency(-1);',
- ' e=currency(word(-1));',
- 'var',
- ' i: longint = 1;',
- ' i64: int64;',
- ' f: double;',
- 'begin',
- ' a:=i;',
- ' a:=i+a;',
- ' a:=a+i;',
- ' a:=-a+b;',
- ' a:=a*b;',
- ' a:=a/b;',
- ' a:=a/1.23;',
- ' a:=1.2345;',
- ' a:=a-i;',
- ' a:=i-a;',
- ' a:=a*i;',
- ' a:=i*a;',
- ' a:=a/i;',
- ' a:=i/a;',
- ' a:=i64;',
- ' a:=currency(i64);',
- //' i64:=a;', not allowed
- ' i64:=int64(a);', // truncates a
- ' a:=f;',
- ' a:=currency(f);',
- ' f:=a;',
- ' f:=double(a);',
- '']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestWritableConst;
- begin
- StartProgram(false);
- Add([
- '{$writeableconst off}',
- 'const i: longint = 3;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestWritableConst_AssignFail;
- begin
- StartProgram(false);
- Add([
- '{$writeableconst off}',
- 'const i: longint = 3;',
- 'begin',
- ' i:=4;',
- '']);
- CheckResolverException(sCantAssignValuesToConstVariable,nCantAssignValuesToConstVariable);
- end;
- procedure TTestResolver.TestWritableConst_PassVarFail;
- begin
- StartProgram(false);
- Add([
- '{$writeableconst off}',
- 'const i: longint = 3;',
- 'procedure DoIt(var j: longint); external;',
- 'begin',
- ' DoIt(i);',
- '']);
- CheckResolverException(sCantAssignValuesToConstVariable,nCantAssignValuesToConstVariable);
- end;
- procedure TTestResolver.TestBoolTypeCast;
- begin
- StartProgram(false);
- Add('var');
- Add(' a: boolean = boolean(0);');
- Add(' b: boolean = boolean(1);');
- Add('begin');
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestConstBoolOperators;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' a=true and false;',
- ' b=true or false;',
- ' c=true xor false;',
- ' d=not b;',
- ' e=a=b;',
- ' f=a<>b;',
- ' g=low(boolean) or high(boolean);',
- ' h=succ(false) or pred(true);',
- ' i=ord(false)+ord(true);',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestBoolSet_Const;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' s1 = [true];',
- ' s2 = [false,true];',
- ' s3 = [false..true];',
- ' s7 = [true]*s2;',
- ' s8 = s2-s1;',
- ' s9 = s1+s2;',
- ' s10 = s1><s2;',
- ' s11 = s2=s3;',
- ' s12 = s2<>s3;',
- ' s13 = s2<=s3;',
- ' s14 = s2>=s3;',
- ' s15 = true in s2;',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestBool_ForIn;
- begin
- StartProgram(false);
- Add([
- 'type',
- //' TBoolRg = false..true;',
- ' TSetOfBool = set of boolean;',
- //' TSetOfBoolRg = set of TBoolRg;',
- 'var',
- ' b: boolean;',
- //' br: TBoolRg;',
- 'begin',
- ' for b in boolean do;',
- //' for b in TBoolRg do;',
- ' for b in TSetOfBool do;',
- //' for b in TSetOfBoolRg do;',
- //' for br in TBoolRg do;',
- //' for br in TSetOfBoolRg do;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestBool_Assert;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' b : boolean;',
- ' s: string;',
- 'begin',
- ' Assert(true);',
- ' Assert(b);',
- ' Assert(b,''error'');',
- ' Assert(false,''error''+s);',
- ' Assert(not b);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestBool_AssertSysutils;
- begin
- AddModuleWithIntfImplSrc('SysUtils.pas',
- LinesToStr([
- 'type',
- ' TObject = class',
- ' constructor Create;',
- ' end;',
- ' EAssertionFailed = class',
- ' constructor Create(s: string);',
- ' end;',
- '']),
- LinesToStr([
- 'constructor TObject.Create;',
- 'begin end;',
- 'constructor EAssertionFailed.Create(s: string);',
- 'begin end;',
- '']) );
- StartProgram(true);
- Add([
- 'uses sysutils;',
- 'procedure DoIt;',
- 'var',
- ' b: boolean;',
- ' s: string;',
- 'begin',
- ' {$Assertions on}',
- ' Assert(b);',
- ' Assert(b,s);',
- 'end;',
- 'begin',
- ' DoIt;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestIntegerRange;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' MinInt = -1;',
- ' MaxInt = +1;',
- 'type',
- ' {#TMyInt}TMyInt = MinInt..MaxInt;',
- ' TInt2 = 1..3;',
- 'var',
- ' i: TMyInt;',
- ' i2: TInt2;',
- 'begin',
- ' i:=i2;',
- ' if i=i2 then ;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestIntegerRangeHighLowerLowFail;
- begin
- StartProgram(false);
- Add('const');
- Add(' MinInt = -1;');
- Add(' MaxInt = +1;');
- Add('type');
- Add(' {#TMyInt}TMyInt = MaxInt..MinInt;');
- Add('begin');
- CheckResolverException(sHighRangeLimitLTLowRangeLimit,
- nHighRangeLimitLTLowRangeLimit);
- end;
- procedure TTestResolver.TestIntegerRangeLowHigh;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' MinInt = -1;',
- ' MaxInt = +10;',
- 'type',
- ' {#TMyInt}TMyInt = MinInt..MaxInt;',
- 'const',
- ' a = low(TMyInt)+High(TMyInt);',
- 'var',
- ' i: TMyInt;',
- 'begin',
- ' i:=low(i)+high(i);']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestAssignIntRangeWarning;
- begin
- StartProgram(false);
- Add([
- 'type TMyInt = 1..2;',
- 'var i: TMyInt;',
- 'begin',
- ' i:=3;']);
- ParseProgram;
- CheckResolverHint(mtWarning,nRangeCheckEvaluatingConstantsVMinMax,
- 'range check error while evaluating constants (3 is not between 1 and 2)');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestByteRangeWarning;
- begin
- StartProgram(false);
- Add([
- 'var b:byte=300;',
- 'begin']);
- ParseProgram;
- CheckResolverHint(mtWarning,nRangeCheckEvaluatingConstantsVMinMax,
- 'range check error while evaluating constants (300 is not between 0 and 255)');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestByteRangeWarningOff;
- begin
- StartProgram(false);
- Add([
- '{$warnings off}',
- 'var b:byte=300;',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestCustomIntRangeWarning;
- begin
- StartProgram(false);
- Add([
- 'const i:1..2 = 3;',
- 'begin']);
- ParseProgram;
- CheckResolverHint(mtWarning,nRangeCheckEvaluatingConstantsVMinMax,
- 'range check error while evaluating constants (3 is not between 1 and 2)');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestIntSet_Const;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' s1 = [1];',
- ' s2 = [1,2];',
- ' s3 = [1..3];',
- ' s4 = [1..2,4..5,6];',
- ' s5 = [low(shortint)..high(shortint)];',
- ' s6 = [succ(low(shortint))..pred(high(shortint))];',
- ' s7 = [1..3]*[2..4];',
- ' s8 = [1..5]-[2,5];',
- ' s9 = [1,3..4]+[2,5];',
- ' s10 = [1..3]><[2..5];',
- ' s11 = s2=s3;',
- ' s12 = s2<>s3;',
- ' s13 = s2<=s3;',
- ' s14 = s2>=s3;',
- ' s15 = 1 in s2;',
- 'var',
- ' w: word;',
- 'begin',
- ' if w in [1..12] then ;',
- '']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestIntSet_ConstDuplicateElement;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' s1 = [1,1..2];',
- 'begin']);
- CheckResolverException(sRangeCheckInSetConstructor,nRangeCheckInSetConstructor);
- end;
- procedure TTestResolver.TestInt_ForIn;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TIntRg = 2..4;',
- ' TSetOfInt = set of byte;',
- ' TSetOfIntRg = set of TIntRg;',
- 'var',
- ' i: longint;',
- ' ir: TIntRg;',
- 'begin',
- ' for i in longint do;',
- ' for i in TIntRg do;',
- ' for i in TSetOfInt do;',
- ' for i in TSetOfIntRg do;',
- ' for ir in TIntRg do;',
- ' for ir in TSetOfIntRg do;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestChar_BuiltInProcs;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' c: char;',
- ' i: longint;',
- 'begin',
- ' i:=ord(c);',
- ' c:=chr(i);',
- ' c:=pred(c);',
- ' c:=succ(c);',
- ' c:=low(c);',
- ' c:=high(c);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestString_BuiltInProcs;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' s: string;',
- 'begin',
- ' SetLength({#a_var}s,3);',
- ' SetLength({#b_var}s,length({#c_read}s));',
- ' s:=concat(''a'',s);',
- '']);
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestString_Element;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' s: string;',
- ' c: char;',
- 'begin',
- ' if s[1]=s then ;',
- ' if s=s[2] then ;',
- ' if s[3+4]=c then ;',
- ' if c=s[5] then ;',
- ' c:=s[6];',
- ' s[7]:=c;',
- ' s[8]:=''a'';',
- ' s[9+1]:=''b'';',
- ' s[10]:='''''''';',
- ' s[11]:=^g;',
- ' s[12]:=^H;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestStringElement_MissingArgFail;
- begin
- StartProgram(false);
- Add('var s: string;');
- Add('begin');
- Add(' if s[]=s then ;');
- CheckResolverException('Missing parameter character index',nMissingParameterX);
- end;
- procedure TTestResolver.TestStringElement_IndexNonIntFail;
- begin
- StartProgram(false);
- Add('var s: string;');
- Add('begin');
- Add(' if s[true]=s then ;');
- CheckResolverException('Incompatible types: got "Boolean" expected "integer"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestStringElement_AsVarArgFail;
- begin
- StartProgram(false);
- Add('procedure DoIt(var c: char);');
- Add('begin');
- Add('end;');
- Add('var s: string;');
- Add('begin');
- Add(' DoIt(s[1]);');
- CheckResolverException('Variable identifier expected',
- nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestString_DoubleQuotesFail;
- begin
- StartProgram(false);
- Add('var s: string;');
- Add('begin');
- Add(' s:="abc" + "def";');
- CheckParserException('Invalid character ''"''',PScanner.nErrInvalidCharacter);
- end;
- procedure TTestResolver.TestString_ShortstringType;
- begin
- StartProgram(false);
- Add([
- 'type t = string[12];',
- 'var',
- ' s: t;',
- 'begin',
- ' s:=''abc'';',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestConstStringOperators;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' a=''o''+''x''+''''+''ab'';',
- ' b=#65#66;',
- ' c=a=b;',
- ' d=a<>b;',
- ' e=a<b;',
- ' f=a<=b;',
- ' g=a>b;',
- ' h=a>=b;',
- ' i=a[1];',
- ' j=length(a);',
- ' k=chr(97);',
- ' l=ord(a[1]);',
- ' m=low(char)+high(char);',
- ' n = string(''A'');',
- ' o = UnicodeString(''A'');',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestConstUnicodeStringOperators;
- begin
- ResolverEngine.ExprEvaluator.DefaultStringCodePage:=CP_UTF8;
- StartProgram(false);
- Add([
- 'const',
- ' a=''大''+''学'';',
- ' b=#22823+#23398;',
- ' c=a=b;',
- ' d=a<>b;',
- ' e=a<b;',
- ' f=a<=b;',
- ' g=a>b;',
- ' h=a>=b;',
- ' i=b[1];',
- ' j=length(b);',
- ' k=chr(22823);',
- ' l=ord(b[1]);',
- ' m=low(widechar)+high(widechar);',
- ' n=#65#22823;',
- ' ascii=#65;',
- ' o=ascii+b;',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestCharSet_Const;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' s1 = [''a''];',
- ' s2 = [''a'',''b''];',
- ' s3 = [''a''..''c''];',
- ' s4 = [''a''..''b'',''d''..''e'',''f''];',
- ' s5 = [low(Char)..high(Char)];',
- ' s6 = [succ(low(Char))..pred(high(Char))];',
- ' s7 = [''a''..''c'']*[''b''..''d''];',
- ' s8 = [''a''..''e'']-[''b'',''e''];',
- ' s9 = [''a'',''c''..''d'']+[''b'',''e''];',
- ' s10 = [''a''..''c'']><[''b''..''e''];',
- ' s11 = [''a'',''b'']=[''a''..''b''];',
- ' s12 = [''a'',''b'']<>[''a''..''b''];',
- ' s13 = [''a'',''b'']<=[''a''..''b''];',
- ' s14 = [''a'',''b'']>=[''a''..''b''];',
- ' s15 = ''a'' in [''a'',''b''];',
- ' s16 = [#0..#127,#22823..#23398];',
- ' s17 = #22823 in s16;',
- 'var c: char;',
- 'begin',
- ' if c in s3 then ;']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestCharSet_Custom;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TCharRg = ''a''..''z'';',
- ' TSetOfCharRg = set of TCharRg;',
- ' TCharRg2 = ''m''..''p'';',
- 'const',
- ' crg: TCharRg = ''b'';',
- 'var',
- ' c: char;',
- ' crg2: TCharRg2;',
- ' s: TSetOfCharRg;',
- 'begin',
- ' c:=crg;',
- ' crg:=c;',
- ' crg2:=crg;',
- ' if c=crg then ;',
- ' if crg=c then ;',
- ' if crg=crg2 then ;',
- ' if c in s then ;',
- ' if crg2 in s then ;',
- '']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestCharAssignStringFail;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' c: char;',
- ' s: string;',
- 'begin',
- ' c:=s;']);
- CheckResolverException('Incompatible types: got "String" expected "Char"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestChar_ForIn;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TCharRg = ''a''..''z'';',
- ' TSetOfChar = set of char;',
- ' TSetOfCharRg = set of TCharRg;',
- 'const Foo = ''foo'';',
- 'var',
- ' c: char;',
- ' cr: TCharRg;',
- ' s: string;',
- ' a: array of char;',
- ' b: array[1..3] of char;',
- ' soc: TSetOfChar;',
- ' socr: TSetOfCharRg;',
- 'begin',
- ' for c in foo do;',
- ' for c in s do;',
- ' for c in a do;',
- ' for c in b do;',
- ' for c in char do;',
- ' for c in TCharRg do;',
- ' for c in TSetOfChar do;',
- ' for c in TSetOfCharRg do;',
- ' for c in soc do;',
- ' for c in socr do;',
- ' for c in [''A''..''C''] do ;',
- ' for cr in TCharRg do;',
- ' for cr in TSetOfCharRg do;',
- ' for cr in socr do;',
- //' for cr in [''b''..''d''] do ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestEnums;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {#TFlag}TFlag = ({#Red}Red, {#Green}Green, {#Blue}Blue);',
- ' {#TAlias}TAlias = TFlag;',
- 'var',
- ' {#f}{=TFlag}f: TFlag;',
- ' {#v}{=TFlag}v: TFlag = Green;',
- ' {#i}i: longint;',
- 'begin',
- ' {@f}f:={@Red}Red;',
- ' {@f}f:={@v}v;',
- ' if {@f}f={@Red}Red then ;',
- ' if {@f}f={@v}v then ;',
- ' if {@f}f>{@v}v then ;',
- ' if {@f}f<{@v}v then ;',
- ' if {@f}f>={@v}v then ;',
- ' if {@f}f<={@v}v then ;',
- ' if {@f}f<>{@v}v then ;',
- ' if ord({@f}f)<>ord({@Red}Red) then ;',
- ' {@f}f:={@TFlag}TFlag.{@Red}Red;',
- ' {@f}f:={@TFlag}TFlag({@i}i);',
- ' {@i}i:=longint({@f}f);',
- ' {@f}f:={@TAlias}TAlias.{@Green}Green;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestEnumRangeFail;
- begin
- StartProgram(false);
- Add([
- 'type TFlag = (a,b,c);',
- 'const all = a..c;',
- 'begin']);
- CheckParserException('Const ranges are not allowed',nParserNoConstRangeAllowed);
- end;
- procedure TTestResolver.TestEnumDotValueFail;
- begin
- StartProgram(false);
- Add([
- 'type TFlag = (a,b,c);',
- 'var f: TFlag;',
- 'begin',
- ' f:=f.a;']);
- CheckResolverException('illegal qualifier "." after "f:TFlag"',nIllegalQualifierAfter);
- end;
- procedure TTestResolver.TestSets;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TFlag}TFlag = ({#Red}Red, {#Green}Green, {#Blue}Blue, {#Gray}Gray, {#Black}Black, {#White}White);');
- Add(' {#TFlags}TFlags = set of TFlag;');
- Add(' {#TChars}TChars = set of Char;');
- Add(' {#TMyInt}TMyInt = 0..17;');
- Add(' {#TMyInts}TMyInts = set of TMyInt;');
- Add(' {#TMyBools}TMyBools = set of boolean;');
- Add('const');
- Add(' {#Colors}Colors = [{@Red}Red..{@Blue}Blue];');
- Add(' {#ExtColors}ExtColors = {@Colors}Colors+[{@White}White,{@Black}Black];');
- Add('var');
- Add(' {#f}{=TFlag}f: TFlag;');
- Add(' {#s}{=TFlags}s: TFlags;');
- Add(' {#t}{=TFlags}t: TFlags = [Green,Gray];');
- Add(' {#Chars}{=TChars}Chars: TChars;');
- Add(' {#MyInts}{=TMyInts}MyInts: TMyInts;');
- Add(' {#MyBools}{=TMyBools}MyBools: TMyBools;');
- Add('begin');
- Add(' {@s}s:=[];');
- Add(' {@s}s:={@t}t;');
- Add(' {@s}s:=[{@Red}Red];');
- Add(' {@s}s:=[{@Red}Red,{@Blue}Blue];');
- Add(' {@s}s:=[{@Gray}Gray..{@White}White];');
- Add(' {@MyInts}MyInts:=[1];');
- Add(' {@MyInts}MyInts:=[1,2];');
- Add(' {@MyInts}MyInts:=[1..2];');
- Add(' {@MyInts}MyInts:=[1..2,3];');
- Add(' {@MyInts}MyInts:=[1..2,3..4];');
- Add(' {@MyInts}MyInts:=[1,2..3];');
- Add(' {@MyBools}MyBools:=[false];');
- Add(' {@MyBools}MyBools:=[false,true];');
- Add(' {@MyBools}MyBools:=[false..true];');
- ParseProgram;
- end;
- procedure TTestResolver.TestSetOperators;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TFlag}TFlag = ({#Red}Red, {#Green}Green, {#Blue}Blue, {#Gray}Gray, {#Black}Black, {#White}White);');
- Add(' {#TFlags}TFlags = set of TFlag;');
- Add(' {#TChars}TChars = set of Char;');
- Add(' {#TMyInt}TMyInt = 0..17;');
- Add(' {#TMyInts}TMyInts = set of TMyInt;');
- Add(' {#TMyBools}TMyBools = set of boolean;');
- Add('const');
- Add(' {#Colors}Colors = [{@Red}Red..{@Blue}Blue];');
- Add(' {#ExtColors}ExtColors = {@Colors}Colors+[{@White}White,{@Black}Black];');
- Add('var');
- Add(' {#f}{=TFlag}f: TFlag;');
- Add(' {#s}{=TFlags}s: TFlags;');
- Add(' {#t}{=TFlags}t: TFlags = [Green,Gray];');
- Add(' {#Chars}{=TChars}Chars: TChars;');
- Add(' {#MyInts}{=TMyInts}MyInts: TMyInts;');
- Add(' {#MyBools}{=TMyBools}MyBools: TMyBools;');
- Add('begin');
- Add(' {@s}s:=[];');
- Add(' {@s}s:=[{@Red}Red]+[{@Blue}Blue,{@Gray}Gray];');
- Add(' {@s}s:=[{@Blue}Blue,{@Gray}Gray]-[{@Blue}Blue];');
- Add(' {@s}s:={@t}t+[];');
- Add(' {@s}s:=[{@Red}Red]+{@s}s;');
- Add(' {@s}s:={@s}s+[{@Red}Red];');
- Add(' {@s}s:=[{@Red}Red]-{@s}s;');
- Add(' {@s}s:={@s}s-[{@Red}Red];');
- Add(' Include({@s}s,{@Blue}Blue);');
- Add(' Include({@s}s,{@f}f);');
- Add(' Exclude({@s}s,{@Blue}Blue);');
- Add(' Exclude({@s}s,{@f}f);');
- Add(' {@s}s:={@s}s+[{@f}f];');
- Add(' if {@Green}Green in {@s}s then ;');
- Add(' if {@Blue}Blue in {@Colors}Colors then ;');
- Add(' if {@f}f in {@ExtColors}ExtColors then ;');
- Add(' {@s}s:={@s}s * {@Colors}Colors;');
- Add(' {@s}s:={@Colors}Colors * {@s}s;');
- Add(' {@s}s:={@ExtColors}ExtColors * {@Colors}Colors;');
- Add(' {@s}s:=Colors >< {@ExtColors}ExtColors;');
- Add(' {@s}s:={@s}s >< {@ExtColors}ExtColors;');
- Add(' {@s}s:={@ExtColors}ExtColors >< s;');
- Add(' {@s}s:={@s}s >< {@s}s;');
- Add(' if ''p'' in [''a''..''z''] then ; ');
- Add(' if ''p'' in [''a''..''z'',''A''..''Z'',''0''..''9'',''_''] then ; ');
- Add(' if ''p'' in {@Chars}Chars then ; ');
- Add(' if 7 in {@MyInts}MyInts then ; ');
- Add(' if 7 in [1+2,(3*4)+5,(-2+6)..(8-3)] then ; ');
- Add(' if [red,blue]*s=[red,blue] then ;');
- Add(' if {@s}s = t then;');
- Add(' if {@s}s = {@Colors}Colors then;');
- Add(' if {@Colors}Colors = s then;');
- Add(' if {@s}s <> t then;');
- Add(' if {@s}s <> {@Colors}Colors then;');
- Add(' if {@Colors}Colors <> s then;');
- Add(' if {@s}s <= t then;');
- Add(' if {@s}s <= {@Colors}Colors then;');
- Add(' if {@Colors}Colors <= s then;');
- Add(' if {@s}s >= t then;');
- Add(' if {@s}s >= {@Colors}Colors then;');
- Add(' if {@Colors}Colors >= {@s}s then;');
- ParseProgram;
- end;
- procedure TTestResolver.TestEnumParams;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlag = (red, green, blue);');
- Add('function {#A1}FuncA: TFlag;');
- Add('begin');
- Add(' Result:=red;');
- Add('end;');
- Add('function {#A2}FuncA(f: TFlag): TFlag;');
- Add('begin');
- Add(' Result:=f;');
- Add('end;');
- Add('var');
- Add(' f: TFlag;');
- Add('begin');
- Add(' f:={@A1}FuncA;');
- Add(' f:={@A1}FuncA();');
- Add(' f:={@A2}FuncA(f);');
- ParseProgram;
- end;
- procedure TTestResolver.TestSetParams;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlag = (red, green, blue);');
- Add(' TFlags = set of TFlag;');
- Add('function {#A1}FuncA: TFlags;');
- Add('begin');
- Add(' Result:=[red];');
- Add(' Include(Result,green);');
- Add(' Exclude(Result,blue);');
- Add('end;');
- Add('function {#A2}FuncA(f: TFlags): TFlags;');
- Add('begin');
- Add(' Include(f,green);');
- Add(' Result:=f;');
- Add('end;');
- Add('var');
- Add(' f: TFlags;');
- Add('begin');
- Add(' f:={@A1}FuncA;');
- Add(' f:={@A1}FuncA();');
- Add(' f:={@A2}FuncA(f);');
- Add(' f:={@A2}FuncA([green]);');
- ParseProgram;
- end;
- procedure TTestResolver.TestSetFunctions;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlag = (red, green, blue);');
- Add(' TFlags = set of TFlag;');
- Add('var');
- Add(' e: TFlag;');
- Add(' s: TFlags;');
- Add('begin');
- Add(' e:=Low(TFlags);');
- Add(' e:=Low(s);');
- Add(' e:=High(TFlags);');
- Add(' e:=High(s);');
- ParseProgram;
- end;
- procedure TTestResolver.TestEnumHighLow;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlag = (red, green, blue);');
- Add('var f: TFlag;');
- Add('begin');
- Add(' for f:=low(TFlag) to high(TFlag) do ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestEnumOrd;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlag = (red, green, blue);');
- Add('var');
- Add(' f: TFlag;');
- Add(' i: longint;');
- Add('begin');
- Add(' i:=ord(f);');
- Add(' i:=ord(green);');
- Add(' if i=ord(f) then ;');
- Add(' if ord(f)=i then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestEnumPredSucc;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlag = (red, green, blue);');
- Add('var');
- Add(' f: TFlag;');
- Add('begin');
- Add(' f:=Pred(f);');
- Add(' if Pred(green)=Pred(TFlag.Blue) then;');
- Add(' f:=Succ(f);');
- Add(' if Succ(green)=Succ(TFlag.Blue) then;');
- ParseProgram;
- end;
- procedure TTestResolver.TestEnum_EqualNilFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlag = (red, green);');
- Add('var');
- Add(' f: TFlag;');
- Add('begin');
- Add(' if f=nil then ;');
- CheckResolverException('Incompatible types: got "TFlag" expected "Pointer"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestEnum_CastIntegerToEnum;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlag = (red, green, blue);');
- Add('var');
- Add(' f: TFlag;');
- Add(' i: longint;');
- Add('begin');
- Add(' f:=TFlag(1);');
- Add(' f:=TFlag({#a_read}i);');
- Add(' if TFlag({#b_read}i)=TFlag(1) then;');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestEnum_Str;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TFlag = (red, green, blue);',
- 'var',
- ' f: TFlag;',
- ' i: longint;',
- ' aString: string;',
- 'begin',
- ' aString:=str(f);',
- ' aString:=str(f:3);',
- ' str(f,aString);',
- ' writestr(astring,f,i);',
- ' val(aString,f,i);']);
- ParseProgram;
- end;
- procedure TTestResolver.TestConstEnumOperators;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TEnum = (red,blue,green);',
- 'const',
- ' a=ord(red);',
- ' b=succ(low(TEnum));',
- ' c=pred(high(TEnum));',
- ' d=TEnum(0);',
- ' e=TEnum(2);',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestEnumSetConstRange;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TEnum = (red,blue,green);',
- ' TEnums = set of TEnum;',
- 'const',
- ' teAny = [low(TEnum)..high(TEnum)];',
- ' teRedBlue = [low(TEnum)..pred(high(TEnum))];',
- 'var',
- ' e: TEnum;',
- ' s: TEnums;',
- 'begin',
- ' if blue in teAny then;',
- ' if blue in teAny+[e] then;',
- ' if blue in teAny+teRedBlue then;',
- ' s:=teAny;',
- ' s:=teAny+[e];',
- ' s:=[e]+teAny;',
- ' s:=teAny+teRedBlue;',
- ' s:=teAny+teRedBlue+[e];',
- '']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestEnumSet_AnonymousEnumtype;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFlags = set of (red, green);');
- Add('const');
- Add(' favorite = red;');
- Add('var');
- Add(' f: TFlags;');
- Add(' i: longint;');
- Add('begin');
- Add(' Include(f,red);');
- Add(' Include(f,favorite);');
- Add(' i:=ord(red);');
- Add(' i:=ord(favorite);');
- Add(' i:=ord(low(TFlags));');
- Add(' i:=ord(low(f));');
- Add(' i:=ord(low(favorite));');
- Add(' i:=ord(high(TFlags));');
- Add(' i:=ord(high(f));');
- Add(' i:=ord(high(favorite));');
- Add(' f:=[green,favorite];');
- ParseProgram;
- end;
- procedure TTestResolver.TestEnumSet_AnonymousEnumtypeName;
- begin
- ResolverEngine.AnonymousElTypePostfix:='$enum';
- StartProgram(false);
- Add('type');
- Add(' TFlags = set of (red, green);');
- Add('const');
- Add(' favorite = red;');
- Add('var');
- Add(' f: TFlags;');
- Add(' i: longint;');
- Add('begin');
- Add(' Include(f,red);');
- Add(' Include(f,favorite);');
- Add(' i:=ord(red);');
- Add(' i:=ord(favorite);');
- Add(' i:=ord(low(TFlags));');
- Add(' i:=ord(low(f));');
- Add(' i:=ord(low(favorite));');
- Add(' i:=ord(high(TFlags));');
- Add(' i:=ord(high(f));');
- Add(' i:=ord(high(favorite));');
- Add(' f:=[green,favorite];');
- ParseProgram;
- end;
- procedure TTestResolver.TestEnumSet_Const;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TFlag = (a,b,c,d,e,f);',
- 'const',
- ' s1 = [a];',
- ' s2 = [a,b];',
- ' s3 = [a..c];',
- ' s4 = [a..b,d..e,f];',
- ' s5 = [low(TFlag)..high(TFlag)];',
- ' s6 = [succ(low(TFlag))..pred(high(TFlag))];',
- ' s7 = [a..c]*[b..d];',
- ' s8 = [a..e]-[b,e];',
- ' s9 = [a,c..d]+[b,e];',
- ' s10 = [a..c]><[b..e];',
- ' s11 = [a,b]=[a..b];',
- ' s12 = [a,b]<>[a..b];',
- ' s13 = [a,b]<=[a..b];',
- ' s14 = [a,b]>=[a..b];',
- ' s15 = a in [a,b];',
- 'var',
- ' Flag: TFlag;',
- 'begin',
- ' if Flag in [b,c] then ;']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestSet_IntRange_Const;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TIntRg = 2..6;',
- ' TFiveSet = set of TIntRg;',
- 'const',
- ' Three = 3;',
- ' a: TFiveSet = [2..Three,5]+[4];',
- ' b = low(TIntRg)+high(TIntRg);',
- ' c = [low(TIntRg)..high(TIntRg)];',
- 'var',
- ' s: TFiveSet;',
- 'begin',
- ' s:= {#s1_set}[];',
- ' s:= {#s2_set}[3];',
- ' s:= {#s3_set}[3..4];',
- ' s:= {#s4_set}[Three];',
- ' if 3 in a then ;',
- ' s:=c;']);
- ParseProgram;
- CheckParamsExpr_pkSet_Markers;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestSet_Byte_Const;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TIntRg = byte;',
- ' TFiveSet = set of TIntRg;',
- 'const',
- ' Three = 3;',
- ' a: TFiveSet = [2..Three,5]+[4];',
- ' b = low(TIntRg)+high(TIntRg);',
- ' c = [low(TIntRg)..high(TIntRg)];',
- 'var',
- ' s: TFiveSet;',
- 'begin',
- ' s:= {#s1_set}[];',
- ' s:= {#s2_set}[3];',
- ' s:= {#s3_set}[3..4];',
- ' s:= {#s4_set}[Three];',
- ' if 3 in a then ;',
- ' s:=c;',
- //' Include(s,Three);', // ToDo
- '']);
- ParseProgram;
- CheckParamsExpr_pkSet_Markers;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestEnumRange;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TEnum = (a,b,c,d,e);',
- ' TEnumRg = b..d;',
- ' TEnumRg2 = c..e;',
- ' TSetOfEnumRg = set of TEnumRg;',
- 'const',
- ' c1: TEnumRg = c;',
- ' c2: TEnumRg = succ(low(TEnumRg));',
- ' c3: TEnumRg = pred(high(TEnumRg));',
- ' c4: TEnumRg = TEnumRg(2);',
- ' c5: TEnumRg2 = e;',
- 'var',
- ' er: TEnumRg;',
- ' er2: TEnumRg2;',
- ' Enum: TEnum;',
- ' i: longint;',
- ' sr: TSetOfEnumRg;',
- 'begin',
- ' er:=d;',
- ' Enum:=er;',
- ' if Enum=er then ;',
- ' if er=Enum then ;',
- ' if er=c then ;',
- ' if c=er then ;',
- ' if er=er2 then ;',
- ' er:=er2;',
- ' i:=ord(er);',
- ' er:=TEnumRg(i);',
- ' i:=longint(er);',
- ' if b in sr then ;',
- ' if er in sr then ;',
- '']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestEnum_ForIn;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TEnum = (red,green,blue);',
- ' TEnumRg = green..blue;',
- ' TSetOfEnum = set of TEnum;',
- ' TSetOfEnumRg = set of TEnumRg;',
- ' TArrOfEnum = array[TEnum] of byte;',
- ' TArrOfEnumRg = array[TEnumRg] of byte;',
- 'var',
- ' e: TEnum;',
- ' er: TEnumRg;',
- 'begin',
- ' for e in TEnum do;',
- ' for e in TEnumRg do;',
- ' for e in TSetOfEnum do;',
- ' for e in TSetOfEnumRg do;',
- ' for e in [] do;',
- ' for e in [red..green] do;',
- ' for e in [green,blue] do;',
- ' for e in TArrOfEnum do;',
- ' for e in TArrOfEnumRg do;',
- ' for er in TEnumRg do;',
- ' for er in TSetOfEnumRg do;',
- ' for er in [green..blue] do;',
- ' for er in TArrOfEnumRg do;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestEnum_ForInRangeFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TEnum = (red,green,blue);',
- 'var',
- ' e: TEnum;',
- 'begin',
- ' for e in red..green do;',
- '']);
- CheckResolverException('Cannot find an enumerator for the type "range.."',nCannotFindEnumeratorForType);
- end;
- procedure TTestResolver.TestEnum_ScopedEnums;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {$scopedenums on}',
- ' TEnum = (red, green);',
- ' TFlags = set of (red,blue);',
- ' ',
- 'var e: TEnum;',
- ' f: TFlags;',
- 'begin',
- ' e:=TEnum.red;',
- ' if red in f then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestEnum_ScopedEnumsFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {$ScopedEnums on}',
- ' TEnum = (red, green);',
- 'var e: TEnum;',
- 'begin',
- ' e:=red;'
- ]);
- CheckResolverException(sIdentifierNotFound,nIdentifierNotFound);
- end;
- procedure TTestResolver.TestPrgAssignment;
- var
- El: TPasElement;
- V1: TPasVariable;
- ImplAssign: TPasImplAssign;
- Ref1: TPrimitiveExpr;
- Resolver1: TResolvedReference;
- begin
- StartProgram(false);
- Add('var');
- Add(' v1:longint;');
- Add('begin');
- Add(' v1:=3;');
- ParseProgram;
- AssertEquals('1 declaration',1,PasProgram.ProgramSection.Declarations.Count);
- El:=TPasElement(PasProgram.ProgramSection.Declarations[0]);
- AssertEquals('var',TPasVariable,El.ClassType);
- V1:=TPasVariable(El);
- AssertEquals('var v1','v1',V1.Name);
- AssertEquals('1 statement',1,PasProgram.InitializationSection.Elements.Count);
- AssertEquals('Assignment statement',TPasImplAssign,FFirstStatement.ClassType);
- ImplAssign:=FFirstStatement as TPasImplAssign;
- AssertEquals('Normal assignment',akDefault,ImplAssign.Kind);
- AssertExpression('Right side is constant',ImplAssign.Right,pekNumber,'3');
- AssertExpression('Left side is variable',ImplAssign.Left,pekIdent,'v1');
- AssertEquals('Left side is variable, primitive',TPrimitiveExpr,ImplAssign.Left.ClassType);
- Ref1:=TPrimitiveExpr(ImplAssign.Left);
- AssertNotNull('variable has customdata',Ref1.CustomData);
- AssertEquals('variable has resolver',TResolvedReference,Ref1.CustomData.ClassType);
- Resolver1:=TResolvedReference(Ref1.CustomData);
- AssertSame('variable resolver element',Resolver1.Element,Ref1);
- AssertSame('variable resolver declaration v1',Resolver1.Declaration,V1);
- end;
- procedure TTestResolver.TestPrgProcVar;
- begin
- StartProgram(false);
- Add('procedure Proc1;');
- Add('type');
- Add(' t1=longint;');
- Add('var');
- Add(' v1:t1;');
- Add('begin');
- Add('end;');
- Add('begin');
- ParseProgram;
- AssertEquals('1 declaration',1,PasProgram.ProgramSection.Declarations.Count);
- end;
- procedure TTestResolver.TestUnitProcVar;
- var
- El: TPasElement;
- IntfProc1, ImplProc1: TPasProcedure;
- IntfType1, ProcSubType1: TPasAliasType;
- ImplVar1, ProcSubVar1: TPasVariable;
- ImplVar1Type, ProcSubVar1Type: TPasType;
- begin
- StartUnit(false);
- Add('interface');
- Add('');
- Add('type t1=string; // unit scope');
- Add('procedure Proc1;');
- Add('');
- Add('implementation');
- Add('');
- Add('procedure Proc1;');
- Add('type t1=longint; // local proc scope');
- Add('var v1:t1; // using local t1');
- Add('begin');
- Add('end;');
- Add('var v2:t1; // using interface t1');
- ParseUnit;
- // interface
- AssertEquals('2 intf declarations',2,Module.InterfaceSection.Declarations.Count);
- El:=TPasElement(Module.InterfaceSection.Declarations[0]);
- AssertEquals('intf type',TPasAliasType,El.ClassType);
- IntfType1:=TPasAliasType(El);
- AssertEquals('intf type t1','t1',IntfType1.Name);
- El:=TPasElement(Module.InterfaceSection.Declarations[1]);
- AssertEquals('intf proc',TPasProcedure,El.ClassType);
- IntfProc1:=TPasProcedure(El);
- AssertEquals('intf proc Proc1','Proc1',IntfProc1.Name);
- // implementation
- AssertEquals('2 impl declarations',2,Module.ImplementationSection.Declarations.Count);
- El:=TPasElement(Module.ImplementationSection.Declarations[0]);
- AssertEquals('impl proc',TPasProcedure,El.ClassType);
- ImplProc1:=TPasProcedure(El);
- AssertEquals('impl proc Proc1','Proc1',ImplProc1.Name);
- El:=TPasElement(Module.ImplementationSection.Declarations[1]);
- AssertEquals('impl var',TPasVariable,El.ClassType);
- ImplVar1:=TPasVariable(El);
- AssertEquals('impl var v2','v2',ImplVar1.Name);
- ImplVar1Type:=TPasType(ImplVar1.VarType);
- AssertSame('impl var type is intf t1',IntfType1,ImplVar1Type);
- // proc
- AssertEquals('2 proc sub declarations',2,ImplProc1.Body.Declarations.Count);
- // proc sub type t1
- El:=TPasElement(ImplProc1.Body.Declarations[0]);
- AssertEquals('proc sub type',TPasAliasType,El.ClassType);
- ProcSubType1:=TPasAliasType(El);
- AssertEquals('proc sub type t1','t1',ProcSubType1.Name);
- // proc sub var v1
- El:=TPasElement(ImplProc1.Body.Declarations[1]);
- AssertEquals('proc sub var',TPasVariable,El.ClassType);
- ProcSubVar1:=TPasVariable(El);
- AssertEquals('proc sub var v1','v1',ProcSubVar1.Name);
- ProcSubVar1Type:=TPasType(ProcSubVar1.VarType);
- AssertSame('proc sub var type is proc sub t1',ProcSubType1,ProcSubVar1Type);
- end;
- procedure TTestResolver.TestAssignIntegers;
- begin
- StartProgram(false);
- Add('var');
- Add(' {#vbyte}vbyte:byte;');
- Add(' {#vshortint}vshortint:shortint;');
- Add(' {#vword}vword:word;');
- Add(' {#vsmallint}vsmallint:smallint;');
- Add(' {#vlongword}vlongword:longword;');
- Add(' {#vlongint}vlongint:longint;');
- Add(' {#vqword}vqword:qword;');
- Add(' {#vint64}vint64:int64;');
- Add(' {#vcomp}vcomp:comp;');
- Add('begin');
- Add(' {@vbyte}vbyte:=0;');
- Add(' {@vbyte}vbyte:=255;');
- Add(' {@vshortint}vshortint:=0;');
- Add(' {@vshortint}vshortint:=-128;');
- Add(' {@vshortint}vshortint:= 127;');
- Add(' {@vword}vword:=0;');
- Add(' {@vword}vword:=+$ffff;');
- Add(' {@vsmallint}vsmallint:=0;');
- Add(' {@vsmallint}vsmallint:=-$8000;');
- Add(' {@vsmallint}vsmallint:= $7fff;');
- Add(' {@vlongword}vlongword:=0;');
- Add(' {@vlongword}vlongword:=$ffffffff;');
- Add(' {@vlongint}vlongint:=0;');
- Add(' {@vlongint}vlongint:=-$80000000;');
- Add(' {@vlongint}vlongint:= $7fffffff;');
- Add(' {@vlongint}vlongint:={@vbyte}vbyte;');
- Add(' {@vlongint}vlongint:={@vshortint}vshortint;');
- Add(' {@vlongint}vlongint:={@vword}vword;');
- Add(' {@vlongint}vlongint:={@vsmallint}vsmallint;');
- Add(' {@vlongint}vlongint:={@vlongint}vlongint;');
- Add(' {@vint64}vint64:=0;');
- Add(' {@vint64}vint64:=-$8000000000000000;');
- Add(' {@vint64}vint64:= $7fffffffffffffff;');
- Add(' {@vqword}vqword:=0;');
- Add(' {@vqword}vqword:=$ffffffffffffffff;');
- Add(' {@vcomp}vcomp:=0;');
- Add(' {@vcomp}vcomp:=-$8000000000000000;');
- Add(' {@vcomp}vcomp:= $7fffffffffffffff;');
- ParseProgram;
- end;
- procedure TTestResolver.TestAssignString;
- begin
- StartProgram(false);
- Add('var');
- Add(' vstring:string;');
- Add(' vchar:char;');
- Add('begin');
- Add(' vstring:='''';');
- Add(' vstring:=''abc'';');
- Add(' vstring:=''a'';');
- Add(' vchar:=''c'';');
- Add(' vchar:=vstring[1];');
- ParseProgram;
- end;
- procedure TTestResolver.TestAssignIntToStringFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' vstring:string;');
- Add('begin');
- Add(' vstring:=2;');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestAssignStringToIntFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' v:longint;');
- Add('begin');
- Add(' v:=''A'';');
- CheckResolverException('Incompatible types: got "Char" expected "Longint"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestIntegerOperators;
- begin
- StartProgram(false);
- Add('var');
- Add(' i,j,k:longint;');
- Add('begin');
- Add(' i:=1;');
- Add(' i:=1+2;');
- Add(' i:=1+2+3;');
- Add(' i:=1-2;');
- Add(' i:=j;');
- Add(' i:=j+1;');
- Add(' i:=-j+1;');
- Add(' i:=j+k;');
- Add(' i:=-j+k;');
- Add(' i:=j*k;');
- Add(' i:=j**k;');
- Add(' i:=10**3;');
- Add(' i:=j div k;');
- Add(' i:=10 div 3;');
- Add(' i:=j mod k;');
- Add(' i:=10 mod 3;');
- Add(' i:=j shl k;');
- Add(' i:=j shr k;');
- Add(' i:=j and k;');
- Add(' i:=j or k;');
- Add(' i:=j and not k;');
- Add(' i:=(j+k) div 3;');
- Add(' if i=j then;');
- Add(' if i<>j then;');
- Add(' if i>j then;');
- Add(' if i>=j then;');
- Add(' if i<j then;');
- Add(' if i<=j then;');
- Add(' i:=lo($1234);');
- Add(' i:=lo($1234CDEF);');
- Add(' i:=hi($1234);');
- Add(' i:=hi($1234CDEF);');
- ParseProgram;
- end;
- procedure TTestResolver.TestIntegerBoolFail;
- begin
- StartProgram(false);
- Add([
- 'var i: longint;',
- 'begin',
- ' i:=3 * false;']);
- CheckResolverException('Operator is not overloaded: "Longint" * "Boolean"',
- nOperatorIsNotOverloadedAOpB);
- end;
- procedure TTestResolver.TestBooleanOperators;
- begin
- StartProgram(false);
- Add('var');
- Add(' i,j,k:boolean;');
- Add('begin');
- Add(' i:=false;');
- Add(' i:=true;');
- Add(' i:=j and k;');
- Add(' i:=j or k;');
- Add(' i:=j or not k;');
- Add(' i:=(not j) or k;');
- Add(' i:=j or false;');
- Add(' i:=j and true;');
- Add(' i:=j xor k;');
- Add(' i:=j=k;');
- Add(' i:=j<>k;');
- ParseProgram;
- end;
- procedure TTestResolver.TestStringOperators;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' i,j:string;',
- ' k:char;',
- ' w:widechar;',
- 'begin',
- ' i:='''';',
- ' i:=''''+'''';',
- ' i:=k+'''';',
- ' i:=''''+k;',
- ' i:=''a''+j;',
- ' i:=''abc''+j;',
- ' k:=#65;',
- ' k:=#$42;',
- ' k:=''a'';',
- ' k:='''''''';',
- ' k:=j[1];',
- ' k:=char(#10);',
- ' w:=k;',
- ' w:=#66;',
- ' w:=#6666;',
- ' w:=widechar(#10);',
- ' w:=widechar(#$E0000);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestWideCharOperators;
- begin
- ResolverEngine.ExprEvaluator.DefaultStringCodePage:=CP_UTF8;
- ResolverEngine.BaseTypeChar:=btWideChar;
- ResolverEngine.BaseTypeString:=btUnicodeString;
- StartProgram(false);
- Add('var');
- Add(' k:char;');
- Add(' w:widechar;');
- Add('begin');
- Add(' w:=k;');
- Add(' w:=#66;');
- Add(' w:=#6666;');
- Add(' w:=''ä'';');
- ParseProgram;
- end;
- procedure TTestResolver.TestFloatOperators;
- begin
- StartProgram(false);
- Add('var');
- Add(' i,j,k:double;');
- Add(' o,p:longint;');
- Add('begin');
- Add(' i:=1;');
- Add(' i:=1+2;');
- Add(' i:=1+2+3;');
- Add(' i:=1-2;');
- Add(' i:=j;');
- Add(' i:=j+1;');
- Add(' i:=-j+1;');
- Add(' i:=j+k;');
- Add(' i:=-j+k;');
- Add(' i:=j*k;');
- Add(' i:=10/3;');
- Add(' i:=10.0/3;');
- Add(' i:=10/3.0;');
- Add(' i:=10.0/3.0;');
- Add(' i:=j/k;');
- Add(' i:=o/p;');
- Add(' i:=10**3;');
- Add(' i:=10.0**3;');
- Add(' i:=10.0**3.0;');
- Add(' i:=10**3.0;');
- Add(' i:=j**k;');
- Add(' i:=o**p;');
- Add(' i:=(j+k)/3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestCAssignments;
- begin
- StartProgram(false);
- Parser.Options:=Parser.Options+[po_cassignments];
- Scanner.Options:=Scanner.Options+[po_cassignments];
- Add('Type');
- Add(' TFlag = (Flag1,Flag2);');
- Add(' TFlags = set of TFlag;');
- Add('var');
- Add(' i: longint;');
- Add(' c: char;');
- Add(' s: string;');
- Add(' d: double;');
- Add(' f: TFlag;');
- Add(' fs: TFlags;');
- Add('begin');
- Add(' i+=1;');
- Add(' i-=2;');
- Add(' i*=3;');
- Add(' s+=''A'';');
- Add(' s:=c;');
- Add(' d+=4;');
- Add(' d-=5;');
- Add(' d*=6;');
- Add(' d/=7;');
- Add(' d+=8.5;');
- Add(' d-=9.5;');
- Add(' d*=10.5;');
- Add(' d/=11.5;');
- Add(' fs+=[f];');
- Add(' fs-=[f];');
- Add(' fs*=[f];');
- Add(' fs+=[Flag1];');
- Add(' fs-=[Flag1];');
- Add(' fs*=[Flag1];');
- Add(' fs+=[Flag1,Flag2];');
- Add(' fs-=[Flag1,Flag2];');
- Add(' fs*=[Flag1,Flag2];');
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeCastBaseTypes;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' si: smallint;',
- ' i: longint;',
- ' fs: single;',
- ' d: double;',
- ' b: boolean;',
- ' c: char;',
- ' s: string;',
- 'begin',
- ' d:=double({#a_read}i);',
- ' i:=shortint({#b_read}i);',
- ' i:=longint({#c_read}si);',
- ' d:=double({#d_read}d);',
- ' fs:=single({#e_read}d);',
- ' d:=single({#f_read}d);',
- ' b:=longbool({#g_read}b);',
- ' b:=bytebool({#i_read}longbool({#h_read}b));',
- ' d:=double({#j_read}i)/2.5;',
- ' b:=boolean({#k_read}i);',
- ' i:=longint({#l_read}b);',
- ' d:=double({#m_read}i);',
- ' c:=char({#n_read}c);',
- ' c:=char({#o_read}i);',
- ' c:=char(65);',
- ' s:=string({#p_read}s);',
- ' s:=string({#q_read}c);',
- '']);
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestTypeCastAliasBaseTypes;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TCaption = string;');
- Add(' TYesNo = boolean;');
- Add(' TFloat = double;');
- Add(' TChar = char;');
- Add('var');
- Add(' i: longint;');
- Add(' s: string;');
- Add(' b: boolean;');
- Add(' d: double;');
- Add(' c: char;');
- Add('begin');
- Add(' i:=integer({#a_read}i);');
- Add(' i:=integer({#h_read}b);');
- Add(' s:=TCaption({#b_read}s);');
- Add(' s:=TCaption({#g_read}c);');
- Add(' b:=TYesNo({#c_read}b);');
- Add(' b:=TYesNo({#d_read}i);');
- Add(' d:=TFloat({#e_read}d);');
- Add(' c:=TChar({#f_read}c);');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestTypeCastStrToIntFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' s: string;');
- Add(' i: longint;');
- Add('begin');
- Add(' i:=longint(s);');
- CheckResolverException(sIllegalTypeConversionTo,nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestTypeCastStrToCharFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' s: string;');
- Add(' c: char;');
- Add('begin');
- Add(' c:=char(s);');
- CheckResolverException(sIllegalTypeConversionTo,nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestTypeCastIntToStrFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' s: string;');
- Add(' i: longint;');
- Add('begin');
- Add(' s:=string(i);');
- CheckResolverException(sIllegalTypeConversionTo,nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestTypeCastDoubleToStrFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' s: string;');
- Add(' d: double;');
- Add('begin');
- Add(' s:=string(d);');
- CheckResolverException(sIllegalTypeConversionTo,nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestTypeCastDoubleToIntFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' i: longint;');
- Add(' d: double;');
- Add('begin');
- Add(' i:=longint(d);');
- CheckResolverException(sIllegalTypeConversionTo,nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestTypeCastDoubleToBoolFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' b: boolean;');
- Add(' d: double;');
- Add('begin');
- Add(' b:=longint(d);');
- CheckResolverException(sIllegalTypeConversionTo,nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestTypeCastBooleanToDoubleFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' b: boolean;');
- Add(' d: double;');
- Add('begin');
- Add(' d:=double(b);');
- CheckResolverException(sIllegalTypeConversionTo,nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestAssign_Access;
- begin
- StartProgram(false);
- Parser.Options:=Parser.Options+[po_cassignments];
- Scanner.Options:=Scanner.Options+[po_cassignments];
- Add('var i: longint;');
- Add('begin');
- Add(' {#a1_assign}i:={#a2_read}i;');
- Add(' {#b1_readandassign}i+={#b2_read}i;');
- Add(' {#c1_readandassign}i-={#c2_read}i;');
- Add(' {#d1_readandassign}i*={#d2_read}i;');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestAssignedIntFail;
- begin
- StartProgram(false);
- Add('var i: longint;');
- Add('begin');
- Add(' if Assigned(i) then ;');
- CheckResolverException('Incompatible type arg no. 1: Got "Longint", expected "class or array"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestHighLow;
- begin
- StartProgram(false);
- Add('var');
- Add(' bo: boolean;');
- Add(' by: byte;');
- Add(' ch: char;');
- Add('begin');
- Add(' for bo:=low(boolean) to high(boolean) do;');
- Add(' for by:=low(byte) to high(byte) do;');
- Add(' for ch:=low(char) to high(char) do;');
- ParseProgram;
- end;
- procedure TTestResolver.TestStr_BaseTypes;
- begin
- StartProgram(false);
- Add('var');
- Add(' b: boolean;');
- Add(' i: longint;');
- Add(' i64: int64;');
- Add(' s: single;');
- Add(' d: double;');
- Add(' aString: string;');
- Add(' r: record end;');
- Add('begin');
- Add(' Str(b,{#a_var}aString);');
- Add(' Str(b:1,aString);');
- Add(' Str(b:i,aString);');
- Add(' Str(i,aString);');
- Add(' Str(i:2,aString);');
- Add(' Str(i:i64,aString);');
- Add(' Str(i64,aString);');
- Add(' Str(i64:3,aString);');
- Add(' Str(i64:i,aString);');
- Add(' Str(s,aString);');
- Add(' Str(d,aString);');
- Add(' Str(d:4,aString);');
- Add(' Str(d:4:5,aString);');
- Add(' Str(d:4:i,aString);');
- Add(' aString:=Str(b);');
- Add(' aString:=Str(i:3);');
- Add(' aString:=Str(d:3:4);');
- Add(' aString:=Str(b,i,d);');
- Add(' aString:=Str(s,''foo'');');
- Add(' aString:=Str(i,{#assign_read}aString);');
- Add(' while true do Str(i,{#whiledo_var}aString);');
- Add(' repeat Str(i,{#repeat_var}aString); until true;');
- Add(' if true then Str(i,{#ifthen_var}aString) else Str(i,{#ifelse_var}aString);');
- Add(' for i:=0 to 0 do Str(i,{#fordo_var}aString);');
- Add(' with r do Str(i,{#withdo_var}aString);');
- Add(' case Str(s,''caseexpr'') of');
- Add(' ''bar'': Str(i,{#casest_var}aString);');
- Add(' else Str(i,{#caseelse_var}aString);');
- Add(' end;');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestStr_StringFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' aString: string;');
- Add('begin');
- Add(' Str(aString,aString);');
- CheckResolverException('Incompatible type arg no. 1: Got "String", expected "boolean, integer, enum value"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestStr_CharFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' c: char;');
- Add(' aString: string;');
- Add('begin');
- Add(' Str(c,aString);');
- CheckResolverException('Incompatible type arg no. 1: Got "Char", expected "boolean, integer, enum value"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestIncDec;
- begin
- StartProgram(false);
- Add('var');
- Add(' i: longint;');
- Add('begin');
- Add(' inc({#a_var}i);');
- Add(' inc({#b_var}i,2);');
- Add(' dec({#c_var}i);');
- Add(' dec({#d_var}i,3);');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestIncStringFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' i: string;');
- Add('begin');
- Add(' inc(i);');
- CheckResolverException('Incompatible type arg no. 1: Got "String", expected "integer"',nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestTypeInfo;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' integer = longint;',
- ' TRec = record',
- ' v: integer;',
- ' end;',
- ' TClass = class of TObject;',
- ' TObject = class',
- ' class function ClassType: TClass; virtual; abstract;',
- ' end;',
- 'var',
- ' i: integer;',
- ' s: string;',
- ' p: pointer;',
- ' r: TRec;',
- ' o: TObject;',
- ' c: TClass;',
- 'begin',
- ' p:=typeinfo(integer);',
- ' p:=typeinfo(longint);',
- ' p:=typeinfo(i);',
- ' p:=typeinfo(s);',
- ' p:=typeinfo(p);',
- ' p:=typeinfo(r.v);',
- ' p:=typeinfo(TObject.ClassType);',
- ' p:=typeinfo(o.ClassType);',
- ' p:=typeinfo(o);',
- ' p:=typeinfo(c);',
- ' p:=typeinfo(c.ClassType);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeInfo_FailRTTIDisabled;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch OmitRTTI}',
- 'type',
- ' TObject = class',
- ' end;',
- 'var o: TObject;',
- 'begin',
- ' if typeinfo(o)=nil then ;',
- '']);
- CheckResolverException(sSymbolCannotBePublished,nSymbolCannotBePublished);
- end;
- procedure TTestResolver.TestForLoop;
- begin
- StartProgram(false);
- Add('var');
- Add(' {#v1}v1,{#v2}v2,{#v3}v3:longint;');
- Add('begin');
- Add(' for {@v1}v1:=');
- Add(' {@v2}v2');
- Add(' to {@v3}v3 do ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestForLoop_NestedSameVarFail;
- begin
- StartProgram(false);
- Add([
- 'var i: byte;',
- 'begin',
- ' for i:=1 to 2 do',
- ' for i:=1 to 2 do ;',
- '']);
- CheckResolverException('Illegal assignment to for-loop variable "i"',nIllegalAssignmentToForLoopVar);
- end;
- procedure TTestResolver.TestForLoop_AssignVarFail;
- begin
- StartProgram(false);
- Add([
- 'var i: byte;',
- 'begin',
- ' for i:=1 to 2 do',
- ' i:=3;',
- '']);
- CheckResolverException('Illegal assignment to for-loop variable "i"',nIllegalAssignmentToForLoopVar);
- end;
- procedure TTestResolver.TestForLoop_PassVarFail;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt(var i: byte); external;',
- 'var i: byte;',
- 'begin',
- ' for i:=1 to 2 do',
- ' DoIt(i);',
- '']);
- CheckResolverException('Illegal assignment to for-loop variable "i"',nIllegalAssignmentToForLoopVar);
- end;
- procedure TTestResolver.TestStatements;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' v1,v2,v3:longint;',
- 'begin',
- ' v1:=1;',
- ' v2:=v1+v1*v1+v1 div v1;',
- ' v3:=-v1;',
- ' repeat',
- ' v1:=v1+1;',
- ' until v1>=5;',
- ' while v1>=0 do',
- ' v1:=v1-v2;',
- ' for v1:=v2 to v3 do v2:=v1;',
- ' if v1<v2 then v3:=v1 else v3:=v2;',
- '']);
- ParseProgram;
- AssertEquals('3 declarations',3,PasProgram.ProgramSection.Declarations.Count);
- end;
- procedure TTestResolver.TestCaseOfInt;
- begin
- StartProgram(false);
- Add('const');
- Add(' {#c1}c1=1;');
- Add(' {#c2}c2=2;');
- Add(' {#c3}c3=3;');
- Add(' {#c4}c4=4;');
- Add(' {#c5}c5=5;');
- Add(' {#c6}c6=6;');
- Add('var');
- Add(' {#v1}v1,{#v2}v2,{#v3}v3:longint;');
- Add('begin');
- Add(' Case {@v1}v1+{@v2}v2 of');
- Add(' {@c1}c1:');
- Add(' {@v2}v2:={@v3}v3;');
- Add(' {@c2}c2,{@c3}c3: ;');
- Add(' {@c4}c4..5: ;');
- Add(' {@c5}c5+{@c6}c6: ;');
- Add(' else');
- Add(' {@v1}v1:=3;');
- Add(' end;');
- ParseProgram;
- end;
- procedure TTestResolver.TestCaseOfIntExtConst;
- begin
- Parser.Options:=Parser.Options+[po_ExtConstWithoutExpr];
- StartProgram(false);
- Add([
- 'const e: longint; external;',
- 'var i: longint;',
- 'begin',
- ' case i of',
- ' 2: ;',
- ' e: ;',
- ' 1: ;',
- ' end;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestCaseIntDuplicateFail;
- begin
- StartProgram(false);
- Add([
- 'var i: longint;',
- 'begin',
- ' case i of',
- ' 2: ;',
- ' 1..3: ;',
- ' end;',
- '']);
- CheckResolverException('Duplicate case value "1..3", other at afile.pp(5,3)',nDuplicateCaseValueXatY);
- end;
- procedure TTestResolver.TestCaseOfStringDuplicateFail;
- begin
- StartProgram(false);
- Add([
- 'var s: string;',
- 'begin',
- ' case s of',
- ' ''a''#10''bc'': ;',
- ' ''A''#10''BC'': ;',
- ' ''a''#10''bc'': ;',
- ' end;',
- '']);
- CheckResolverException('Duplicate case value "string", other at afile.pp(5,3)',nDuplicateCaseValueXatY);
- end;
- procedure TTestResolver.TestCaseOfStringRangeDuplicateFail;
- begin
- StartProgram(false);
- Add([
- 'var s: string;',
- 'begin',
- ' case s of',
- ' ''c'': ;',
- ' ''a''..''z'': ;',
- ' end;',
- '']);
- CheckResolverException('Duplicate case value "string", other at afile.pp(5,3)',nDuplicateCaseValueXatY);
- end;
- procedure TTestResolver.TestCaseOfBaseType;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TFlag = (red,green,blue);',
- 'var',
- ' i: longint;',
- ' f: TFlag;',
- ' b: boolean;',
- ' c: char;',
- ' s: string;',
- 'begin',
- ' case i of',
- ' 1: ;',
- ' 2..3: ;',
- ' 4,5..6,7: ;',
- ' else',
- ' end;',
- ' case f of',
- ' red: ;',
- ' green..blue: ;',
- ' end;',
- ' case b of',
- ' true: ;',
- ' false: ;',
- ' end;',
- ' case c of',
- ' #0: ;',
- ' #10,#13: ;',
- ' ''0''..''9'',''a''..''z'': ;',
- ' end;',
- ' case s of',
- ' #10: ;',
- ' ''abc'': ;',
- ' ''a''..''z'': ;',
- ' end;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestCaseOfExprNonOrdFail;
- begin
- StartProgram(false);
- Add('begin');
- Add(' case longint of');
- Add(' 1: ;');
- Add(' end;');
- CheckResolverException('ordinal expression expected, but Longint found',
- nXExpectedButYFound);
- end;
- procedure TTestResolver.TestCaseOfIncompatibleValueFail;
- begin
- StartProgram(false);
- Add('var i: longint;');
- Add('begin');
- Add(' case i of');
- Add(' ''1'': ;');
- Add(' end;');
- CheckResolverException('Incompatible types: got "Char" expected "Longint"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestTryStatement;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class end;');
- Add(' {#Exec}Exception = class end;');
- Add('var');
- Add(' {#v1}v1,{#e1}e:longint;');
- Add('begin');
- Add(' try');
- Add(' {@v1}v1:={@e1}e;');
- Add(' finally');
- Add(' {@v1}v1:={@e1}e;');
- Add(' end;');
- Add(' try');
- Add(' {@v1}v1:={@e1}e;');
- Add(' except');
- Add(' {@v1}v1:={@e1}e;');
- Add(' raise;');
- Add(' end;');
- Add(' try');
- Add(' {@v1}v1:={@e1}e;');
- Add(' except');
- Add(' on {#e2}{=Exec}E: Exception do');
- Add(' if {@e2}e=nil then raise;');
- Add(' on {#e3}{=Exec}E: Exception do');
- Add(' raise {@e3}e;');
- Add(' else');
- Add(' {@v1}v1:={@e1}e;');
- Add(' end;');
- ParseProgram;
- end;
- procedure TTestResolver.TestTryExceptOnNonTypeFail;
- begin
- StartProgram(false);
- Add('type TObject = class end;');
- Add('var E: TObject;');
- Add('begin');
- Add(' try');
- Add(' except');
- Add(' on E do ;');
- Add(' end;');
- CheckParserException('Expected type, but got variable',PParser.nParserExpectedTypeButGot);
- end;
- procedure TTestResolver.TestTryExceptOnNonClassFail;
- begin
- StartProgram(false);
- Add('begin');
- Add(' try');
- Add(' except');
- Add(' on longint do ;');
- Add(' end;');
- CheckResolverException('class expected, but Longint found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestRaiseNonVarFail;
- begin
- StartProgram(false);
- Add('type TObject = class end;');
- Add('begin');
- Add(' raise TObject;');
- CheckResolverException('variable expected, but class found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestRaiseNonClassFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' E: longint;');
- Add('begin');
- Add(' raise E;');
- CheckResolverException('class expected, but Longint found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestRaiseDescendant;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualNewInstance: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create(Msg: string); external name ''ext'';',
- ' end;',
- ' Exception = class end;',
- ' EConvertError = class(Exception) end;',
- 'function AssertConv(Msg: string = ''msg''): EConvertError;',
- 'begin',
- ' Result:=EConvertError.{#ass}Create(Msg);',
- 'end;',
- 'begin',
- ' raise Exception.{#a}Create(''foo'');',
- ' raise EConvertError.{#b}Create(''bar'');',
- ' raise AssertConv(''c'');',
- ' raise AssertConv;',
- '']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestRaiseDescendant ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualNewInstance:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestRaiseDescendant ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestRaiseDescendant ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- if (Ref.Declaration is TPasConstructor) then
- ActualNewInstance:=rrfNewInstance in Ref.Flags;
- break;
- end;
- if not ActualNewInstance then
- RaiseErrorAtSrcMarker('expected newinstance at "#'+aMarker^.Identifier+', but got normal call"',aMarker);
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestStatementsRefs;
- begin
- StartProgram(false);
- Add('var');
- Add(' {#v1}v1,{#v2}v2,{#v3}v3:longint;');
- Add('begin');
- Add(' {@v1}v1:=1;');
- Add(' {@v2}v2:=');
- Add(' {@v1}v1+');
- Add(' {@v1}v1*{@v1}v1');
- Add(' +{@v1}v1 div {@v1}v1;');
- Add(' {@v3}v3:=');
- Add(' -{@v1}v1;');
- Add(' repeat');
- Add(' {@v1}v1:=');
- Add(' {@v1}v1+1;');
- Add(' until {@v1}v1>=5;');
- Add(' while {@v1}v1>=0 do');
- Add(' {@v1}v1');
- Add(' :={@v1}v1-{@v2}v2;');
- Add(' if {@v1}v1<{@v2}v2 then');
- Add(' {@v3}v3:={@v1}v1');
- Add(' else {@v3}v3:=');
- Add(' {@v2}v2;');
- ParseProgram;
- AssertEquals('3 declarations',3,PasProgram.ProgramSection.Declarations.Count);
- end;
- procedure TTestResolver.TestRepeatUntilNonBoolFail;
- begin
- StartProgram(false);
- Add('begin');
- Add(' repeat');
- Add(' until 3;');
- CheckResolverException('Boolean expected, but Longint found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestWhileDoNonBoolFail;
- begin
- StartProgram(false);
- Add('begin');
- Add(' while 3 do ;');
- CheckResolverException('Boolean expected, but Longint found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestIfThen;
- begin
- StartProgram(false);
- Add([
- 'var b: boolean;',
- 'begin',
- ' if b then ;',
- ' if b then else ;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestIfThenNonBoolFail;
- begin
- StartProgram(false);
- Add('begin');
- Add(' if 3 then ;');
- CheckResolverException('Boolean expected, but Longint found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestIfAssignMissingSemicolonFail;
- begin
- StartProgram(false);
- Add([
- 'var',
- ' v:longint;',
- 'begin',
- ' if true then v:=1',
- ' v:=2']);
- CheckParserException('Expected "Semicolon"',nParserExpectTokenError);
- end;
- procedure TTestResolver.TestForLoopVarNonVarFail;
- begin
- StartProgram(false);
- Add('const i = 3;');
- Add('begin');
- Add(' for i:=1 to 2 do ;');
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestForLoopStartIncompFail;
- begin
- StartProgram(false);
- Add('var i: char;');
- Add('begin');
- Add(' for i:=1 to 2 do ;');
- CheckResolverException('Incompatible types: got "Longint" expected "Char"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestForLoopEndIncompFail;
- begin
- StartProgram(false);
- Add('var i: longint;');
- Add('begin');
- Add(' for i:=1 to ''2'' do ;');
- CheckResolverException('Incompatible types: got "Char" expected "Longint"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestSimpleStatement_VarFail;
- begin
- StartProgram(false);
- Add('var i: longint;');
- Add('begin');
- Add(' i;');
- CheckResolverException('Illegal expression',nIllegalExpression);
- end;
- procedure TTestResolver.TestLabelStatementFail;
- begin
- StartProgram(false);
- Add('var i: longint;');
- Add('begin');
- Add(' i: i;');
- CheckParserException('Expected ";"',nParserExpectTokenError);
- end;
- procedure TTestResolver.TestLabelStatementDelphiFail;
- begin
- StartProgram(false);
- Add('{$mode delphi}');
- Add('{$goto off}');
- Add('var i: longint;');
- Add('begin');
- Add(' i: i;');
- CheckParserException('Expected ";"',nParserExpectTokenError);
- end;
- procedure TTestResolver.TestUnitForwardOverloads;
- begin
- StartUnit(false);
- Add([
- 'interface',
- 'procedure {#ADecl}DoIt(vI: longint);',
- 'procedure {#BDecl}DoIt(vI, vJ: longint);',
- 'implementation',
- 'procedure {#EDecl}DoIt(vI, vJ, vK, vL, vM: longint); forward;',
- 'procedure {#C}DoIt(vI, vJ, vK: longint); begin end;',
- 'procedure {#AImpl}DoIt(vi: longint); begin end;',
- 'procedure {#D}DoIt(vI, vJ, vK, vL: longint); begin end;',
- 'procedure {#BImpl}DoIt(vi, vj: longint); begin end;',
- 'procedure {#EImpl}DoIt(vi, vj, vk, vl, vm: longint); begin end;',
- 'begin',
- ' {@ADecl}DoIt(1);',
- ' {@BDecl}DoIt(2,3);',
- ' {@C}DoIt(4,5,6);',
- ' {@D}DoIt(7,8,9,10);',
- ' {@EDecl}DoIt(11,12,13,14,15);']);
- ParseUnit;
- end;
- procedure TTestResolver.TestUnitIntfInitialization;
- var
- El, DeclEl, OtherUnit: TPasElement;
- LocalVar: TPasVariable;
- Assign1, Assign2, Assign3: TPasImplAssign;
- Prim1, Prim2: TPrimitiveExpr;
- BinExp: TBinaryExpr;
- begin
- StartUnit(true);
- Add('interface');
- Add('var exitCOde: string;');
- Add('implementation');
- Add('initialization');
- Add(' ExitcodE:=''1'';');
- Add(' afile.eXitCode:=''2'';');
- Add(' System.exiTCode:=3;');
- ParseUnit;
- // interface
- AssertEquals('1 intf declaration',1,Module.InterfaceSection.Declarations.Count);
- El:=TPasElement(Module.InterfaceSection.Declarations[0]);
- AssertEquals('local var',TPasVariable,El.ClassType);
- LocalVar:=TPasVariable(El);
- AssertEquals('local var exitcode','exitCOde',LocalVar.Name);
- // initialization
- AssertEquals('3 initialization statements',3,Module.InitializationSection.Elements.Count);
- // check direct assignment to local var
- El:=TPasElement(Module.InitializationSection.Elements[0]);
- AssertEquals('direct assign',TPasImplAssign,El.ClassType);
- Assign1:=TPasImplAssign(El);
- AssertEquals('direct assign left',TPrimitiveExpr,Assign1.left.ClassType);
- Prim1:=TPrimitiveExpr(Assign1.left);
- AssertNotNull(Prim1.CustomData);
- AssertEquals('direct assign left ref',TResolvedReference,Prim1.CustomData.ClassType);
- DeclEl:=TResolvedReference(Prim1.CustomData).Declaration;
- AssertSame('direct assign local var',LocalVar,DeclEl);
- // check indirect assignment to local var: "afile.eXitCode"
- El:=TPasElement(Module.InitializationSection.Elements[1]);
- AssertEquals('indirect assign',TPasImplAssign,El.ClassType);
- Assign2:=TPasImplAssign(El);
- AssertEquals('indirect assign left',TBinaryExpr,Assign2.left.ClassType);
- BinExp:=TBinaryExpr(Assign2.left);
- AssertEquals('indirect assign first token',TPrimitiveExpr,BinExp.left.ClassType);
- Prim1:=TPrimitiveExpr(BinExp.left);
- AssertEquals('indirect assign first token','afile',Prim1.Value);
- AssertNotNull(Prim1.CustomData);
- AssertEquals('indirect assign unit ref resolved',TResolvedReference,Prim1.CustomData.ClassType);
- DeclEl:=TResolvedReference(Prim1.CustomData).Declaration;
- AssertSame('indirect assign unit ref',Module,DeclEl);
- AssertEquals('indirect assign dot',eopSubIdent,BinExp.OpCode);
- AssertEquals('indirect assign second token',TPrimitiveExpr,BinExp.right.ClassType);
- Prim2:=TPrimitiveExpr(BinExp.right);
- AssertEquals('indirect assign second token','eXitCode',Prim2.Value);
- AssertNotNull(Prim2.CustomData);
- AssertEquals('indirect assign var ref resolved',TResolvedReference,Prim2.CustomData.ClassType);
- AssertEquals('indirect assign left ref',TResolvedReference,Prim2.CustomData.ClassType);
- DeclEl:=TResolvedReference(Prim2.CustomData).Declaration;
- AssertSame('indirect assign local var',LocalVar,DeclEl);
- // check assignment to "system.ExitCode"
- El:=TPasElement(Module.InitializationSection.Elements[2]);
- AssertEquals('other unit assign',TPasImplAssign,El.ClassType);
- Assign3:=TPasImplAssign(El);
- AssertEquals('other unit assign left',TBinaryExpr,Assign3.left.ClassType);
- BinExp:=TBinaryExpr(Assign3.left);
- AssertEquals('othe unit assign first token',TPrimitiveExpr,BinExp.left.ClassType);
- Prim1:=TPrimitiveExpr(BinExp.left);
- AssertEquals('other unit assign first token','System',Prim1.Value);
- AssertNotNull(Prim1.CustomData);
- AssertEquals('other unit assign unit ref resolved',TResolvedReference,Prim1.CustomData.ClassType);
- DeclEl:=TResolvedReference(Prim1.CustomData).Declaration;
- OtherUnit:=DeclEl;
- AssertEquals('other unit assign unit ref',TPasUsesUnit,DeclEl.ClassType);
- AssertEquals('other unit assign unit ref system','system',lowercase(DeclEl.Name));
- AssertEquals('other unit assign dot',eopSubIdent,BinExp.OpCode);
- AssertEquals('other unit assign second token',TPrimitiveExpr,BinExp.right.ClassType);
- Prim2:=TPrimitiveExpr(BinExp.right);
- AssertEquals('other unit assign second token','exiTCode',Prim2.Value);
- AssertNotNull(Prim2.CustomData);
- AssertEquals('other unit assign var ref resolved',TResolvedReference,Prim2.CustomData.ClassType);
- AssertEquals('other unit assign left ref',TResolvedReference,Prim2.CustomData.ClassType);
- DeclEl:=TResolvedReference(Prim2.CustomData).Declaration;
- AssertEquals('other unit assign var',TPasVariable,DeclEl.ClassType);
- AssertEquals('other unit assign var exitcode','exitcode',lowercase(DeclEl.Name));
- AssertSame('other unit assign var exitcode',(OtherUnit as TPasUsesUnit).Module,DeclEl.GetModule);
- end;
- procedure TTestResolver.TestUnitUseSystem;
- begin
- StartProgram(true);
- Add('type number = system.integer;');
- Add('begin');
- Add(' if ExitCode=2 then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestUnitUseIntf;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'type TListCallBack = procedure;',
- 'var i: longint;',
- 'procedure DoIt;',
- '']),
- LinesToStr([
- 'procedure DoIt; begin end;']));
- StartProgram(true);
- Add('uses unit2;');
- Add('type TListCB = unit2.tlistcallback;');
- Add('begin');
- Add(' if i=2 then');
- Add(' DoIt;');
- ParseProgram;
- end;
- procedure TTestResolver.TestUnitUseImplFail;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- '']),
- LinesToStr([
- 'procedure DoIt; begin end;']));
- StartProgram(true);
- Add('uses unit2;');
- Add('begin');
- Add(' DoIt;');
- CheckResolverException('identifier not found "DoIt"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestUnit_DuplicateUsesFail;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'var i: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add('uses unit2, unit2;');
- Add('begin');
- Add(' i:=3;');
- CheckParserException('Duplicate identifier "unit2"',
- nParserDuplicateIdentifier);
- end;
- procedure TTestResolver.TestUnit_NestedFail;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'var i2: longint;']),
- LinesToStr([
- '']));
- AddModuleWithIntfImplSrc('unit1.pp',
- LinesToStr([
- 'uses unit2;',
- 'var j1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses unit1;',
- 'begin',
- ' if j1=0 then ;',
- ' if i2=0 then ;',
- '']);
- CheckResolverException('identifier not found "i2"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestUnitUseDotted;
- begin
- AddModuleWithIntfImplSrc('ns1.unit2.pp',
- LinesToStr([
- 'var i2: longint;']),
- LinesToStr([
- '']));
- AddModuleWithIntfImplSrc('ns2.ns2A.unit1.pp',
- LinesToStr([
- 'uses ns1.unit2;',
- 'var j1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses ns2.ns2A.unit1;',
- 'begin',
- ' if j1=0 then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestUnit_ProgramDefaultNamespace;
- begin
- MainFilename:='ns1.main1.pas';
- AddModuleWithIntfImplSrc('ns1.unit2.pp',
- LinesToStr([
- 'var i2: longint;']),
- LinesToStr([
- '']));
- AddModuleWithIntfImplSrc('ns1.unit1.pp',
- LinesToStr([
- 'uses unit2;',
- 'var j1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses unit1;',
- 'begin',
- ' if j1=0 then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestUnit_DottedIdentifier;
- begin
- MainFilename:='unitdots.main1.pas';
- AddModuleWithIntfImplSrc('unitdots.unit1.pp',
- LinesToStr([
- 'type TColor = longint;',
- 'var i1: longint;']),
- LinesToStr([
- '']));
- AddModuleWithIntfImplSrc('unitdots.pp',
- LinesToStr([
- 'type TBright = longint;',
- 'var j1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses unitdots.unit1, unitdots;',
- 'type',
- ' TPrgBright = unitdots.tbright;',
- ' TPrgColor = unitdots.unit1.tcolor;',
- ' TStrange = unitdots.main1.tprgcolor;',
- 'var k1: longint;',
- 'begin',
- ' if unitdots.main1.k1=0 then ;',
- ' if unitdots.j1=0 then ;',
- ' if unitdots.unit1.i1=0 then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestUnit_DottedPrg;
- begin
- MainFilename:='unitdots.main1.pas';
- AddModuleWithIntfImplSrc('unitdots.unit1.pp',
- LinesToStr([
- 'type TColor = longint;',
- 'var i1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses UnIt1;',
- 'type',
- ' TPrgColor = UNIT1.tcolor;',
- ' TStrange = UnitDots.Main1.tprgcolor;',
- 'var k1: longint;',
- 'begin',
- ' if unitdots.main1.k1=0 then ;',
- ' if unit1.i1=0 then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestUnit_DottedUnit;
- begin
- MainFilename:='unitdots.unit1.pas';
- StartUnit(false);
- Add([
- 'interface',
- 'var k1: longint;',
- 'implementation',
- 'initialization',
- ' if unitDots.Unit1.k1=0 then ;',
- '']);
- ParseUnit;
- end;
- procedure TTestResolver.TestUnit_DottedExpr;
- begin
- MainFilename:='unitdots1.sub1.main1.pas';
- AddModuleWithIntfImplSrc('unitdots2.sub2.unit2.pp',
- LinesToStr([
- 'procedure DoIt; external name ''$DoIt'';']),
- LinesToStr([
- '']));
- AddModuleWithIntfImplSrc('unitdots3.sub3.unit3.pp',
- LinesToStr([
- 'procedure DoSome;']),
- LinesToStr([
- 'uses unitdots2.sub2.unit2;',
- 'procedure DoSome;',
- 'begin',
- ' unitdots2.sub2.unit2.doit;',
- 'end;']));
- StartProgram(true);
- Add([
- 'uses unitdots3.sub3.unit3;',
- 'begin',
- ' unitdots3.sub3.unit3.dosome;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestUnit_DuplicateDottedUsesFail;
- begin
- AddModuleWithIntfImplSrc('ns.unit2.pp',
- LinesToStr([
- 'var i: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add('uses ns.unit2, ns.unit2;');
- Add('begin');
- Add(' i:=3;');
- CheckParserException('Duplicate identifier "ns.unit2"',
- nParserDuplicateIdentifier);
- end;
- procedure TTestResolver.TestUnit_DuplicateUsesDiffNameFail;
- begin
- MainFilename:='unitdots.main1.pas';
- AddModuleWithIntfImplSrc('unitdots.unit1.pp',
- LinesToStr([
- 'var j1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses unitdots.unit1, unit1;',
- 'var k1: longint;',
- 'begin',
- ' if unitdots.main1.k1=0 then ;',
- ' if unit1.j1=0 then ;',
- ' if unitdots.unit1.j1=0 then ;',
- '']);
- CheckResolverException('Duplicate identifier "unitdots.unit1" at unitdots.main1.pas(2,14)',
- nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestUnit_Unit1DotUnit2Fail;
- begin
- AddModuleWithIntfImplSrc('unit1.pp',
- LinesToStr([
- 'var i1: longint;']),
- LinesToStr([
- '']));
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'uses unit1;',
- 'var j1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses unit2;',
- 'begin',
- ' if unit2.unit1.i1=0 then ;',
- '']);
- CheckResolverException('identifier not found "unit1"',
- nIdentifierNotFound);
- end;
- procedure TTestResolver.TestUnit_InFilename;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'var i1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses foo in ''unit2.pp'';',
- 'begin',
- ' if foo.i1=0 then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestUnit_InFilenameAliasDelphiFail;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'var i1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- '{$mode delphi}',
- 'uses foo in ''unit2.pp'';',
- 'begin',
- ' if foo.i1=0 then ;',
- '']);
- CheckResolverException('foo expected, but unit2 found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestUnit_InFilenameInUnitDelphiFail;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'var i1: longint;']),
- LinesToStr([
- '']));
- StartUnit(true);
- Add([
- '{$mode delphi}',
- 'interface',
- 'uses unit2 in ''unit2.pp'';',
- 'implementation',
- '']);
- CheckParserException('Expected ";"',nParserExpectTokenError);
- end;
- procedure TTestResolver.TestUnit_MissingUnitErrorPos;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'var j1: longint;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses unit2, ;',
- 'begin']);
- CheckParserException('Expected "Identifier" at token ";" in file afile.pp at line 2 column 13',
- nParserExpectTokenError);
- end;
- procedure TTestResolver.TestUnit_UnitNotFoundErrorPos;
- begin
- StartProgram(true);
- Add([
- 'uses foo ;',
- 'begin']);
- CheckResolverException('can''t find unit "foo" at afile.pp (2,6)',nCantFindUnitX);
- end;
- procedure TTestResolver.TestUnit_AccessIndirectUsedUnitFail;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'var i2: longint;']),
- LinesToStr([
- '']));
- AddModuleWithIntfImplSrc('unit1.pp',
- LinesToStr([
- 'uses unit2;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses unit1;',
- 'begin',
- ' if unit2.i2=0 then ;',
- '']);
- CheckResolverException('identifier not found "unit2"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestUnit_Intf1Impl2Intf1;
- begin
- AddModuleWithIntfImplSrc('unit1.pp',
- LinesToStr([
- 'type number = longint;']),
- LinesToStr([
- 'uses afile;',
- 'procedure DoIt;',
- 'begin',
- ' i:=3;',
- 'end;']));
- StartUnit(true);
- Add([
- 'interface',
- 'uses unit1;',
- 'var i: number;',
- 'implementation']);
- ParseUnit;
- end;
- procedure TTestResolver.TestProcParam;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add('procedure Proc1(a: integer);');
- Add('begin');
- Add(' a:=3;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcParamAccess;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add('procedure DoIt(vI: integer; const vJ: integer; var vK: integer);');
- Add('var vL: integer;');
- Add('begin');
- Add(' vi:=vi+1;');
- Add(' vl:=vj+1;');
- Add(' vk:=vk+1;');
- Add(' vl:=vl+1;');
- Add(' DoIt(vi,vi,vi);');
- Add(' DoIt(vj,vj,vl);');
- Add(' DoIt(vk,vk,vk);');
- Add(' DoIt(vl,vl,vl);');
- Add('end;');
- Add('var i: integer;');
- Add('begin');
- Add(' DoIt(i,i,i);');
- Add(' DoIt(1,1,i);');
- ParseProgram;
- end;
- procedure TTestResolver.TestFunctionResult;
- begin
- StartProgram(false);
- Add('function Func1: longint;');
- Add('begin');
- Add(' Result:=3;');
- Add(' Func1:=4; ');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcedureResultFail;
- begin
- StartProgram(false);
- Add('procedure A: longint; begin end;');
- Add('begin');
- CheckParserException('Expected ";"',
- nParserExpectTokenError);
- end;
- procedure TTestResolver.TestProc_ArgVarPrecisionLossFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TColor = type longint;',
- ' TByte = byte;',
- 'procedure DoColor(var c: TColor); external;',
- 'var',
- ' b: TByte;',
- 'begin',
- ' DoColor(TColor(b));',
- '']);
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestProc_ArgVarTypeAliasObjFPC;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TColor = type longint;',
- 'procedure DoColor(var c: TColor); external;',
- 'procedure TakeColor(c: TColor); external;',
- 'procedure DoInt(var i: longint); external;',
- 'var',
- ' i: longint;',
- ' c: TColor;',
- 'begin',
- ' DoColor(c);',
- ' DoColor(longint(c));',
- ' DoColor(i);',
- ' DoColor(TColor(i));',
- ' TakeColor(c);',
- ' TakeColor(longint(c));',
- ' TakeColor(i);',
- ' TakeColor(TColor(i));',
- ' DoInt(i);',
- ' DoInt(TColor(i));',
- ' DoInt(c);',
- ' DoInt(longint(c));',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProc_ArgVarTypeAliasDelphi;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TColor = type longint;',
- 'procedure DoColor(var c: TColor); external;',
- 'procedure TakeColor(c: TColor); external;',
- 'procedure DoInt(var i: longint); external;',
- 'var',
- ' i: longint;',
- ' c: TColor;',
- 'begin',
- ' DoColor(c);',
- ' DoColor(TColor(i));',
- ' TakeColor(i);',
- ' TakeColor(longint(c));',
- ' DoInt(i);',
- ' DoInt(longint(c));',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProc_ArgVarTypeAliasDelphiMismatchFail;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TColor = type longint;',
- 'procedure DoColor(var c: TColor); external;',
- 'var',
- ' i: longint;',
- 'begin',
- ' DoColor(i);',
- '']);
- CheckResolverException('Incompatible type arg no. 1: Got "Longint", expected "TColor". Var param must match exactly.',
- nIncompatibleTypeArgNoVarParamMustMatchExactly);
- end;
- procedure TTestResolver.TestProc_ArgMissingSemicolonFail;
- begin
- StartProgram(false);
- Add([
- 'type TScalar = double;',
- 'procedure SinCos (var sinus: TScalar var cosinus: TScalar);',
- 'begin end;',
- 'begin']);
- CheckParserException('Expected ";" at token "var" in file afile.pp at line 3 column 38',nParserExpectTokenError);
- end;
- procedure TTestResolver.TestProcOverload;
- var
- El: TPasElement;
- begin
- StartProgram(false);
- Add('function Func1(i: longint; j: longint = 0): longint; overload;');
- Add('begin');
- Add(' Result:=1;');
- Add('end;');
- Add('function Func1(s: string): longint; overload;');
- Add('begin');
- Add(' Result:=2;');
- Add('end;');
- Add('begin');
- Add(' Func1(3);');
- ParseProgram;
- AssertEquals('2 declarations',2,PasProgram.ProgramSection.Declarations.Count);
- El:=TPasElement(PasProgram.ProgramSection.Declarations[0]);
- AssertEquals('is function',TPasFunction,El.ClassType);
- AssertEquals('1 statement',1,PasProgram.InitializationSection.Elements.Count);
- end;
- procedure TTestResolver.TestProcOverloadImplDuplicateFail;
- begin
- StartUnit(false);
- Add([
- 'interface',
- 'procedure DoIt(d: double);',
- 'implementation',
- 'procedure DoIt(d: double); begin end;',
- 'procedure DoIt(d: double); begin end;',
- 'end.']);
- CheckResolverException('Duplicate identifier "DoIt" at afile.pp(5,15)',nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestProcOverloadImplDuplicate2Fail;
- begin
- StartUnit(false);
- Add([
- 'interface',
- 'implementation',
- 'procedure DoIt(d: double); begin end;',
- 'procedure DoIt(d: double); begin end;',
- 'end.']);
- CheckResolverException('Duplicate identifier "DoIt" at afile.pp(4,15)',nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestProcOverloadOtherUnit;
- begin
- AddModuleWithIntfImplSrc('unit1.pp',
- LinesToStr([
- 'procedure DoIt(d: double);',
- '']),
- LinesToStr([
- 'procedure DoIt(d: double); begin end;',
- '']));
- StartUnit(true);
- Add([
- 'interface',
- 'implementation',
- 'procedure DoIt(d: double); begin end;',
- 'end.']);
- ParseUnit;
- end;
- procedure TTestResolver.TestProcOverloadWithBaseTypes;
- begin
- StartProgram(false);
- Add('function {#A}Func1(i: longint; j: longint = 0): longint; overload;');
- Add('begin');
- Add(' Result:=1;');
- Add('end;');
- Add('function {#B}Func1(s: string): longint; overload;');
- Add('begin');
- Add(' Result:=2;');
- Add('end;');
- Add('begin');
- Add(' {@A}Func1(3);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadWithBaseTypes2;
- begin
- StartProgram(false);
- Add('procedure {#byte}DoIt(p: byte); external; var by: byte;');
- Add('procedure {#shortint}DoIt(p: shortint); external; var shi: shortint;');
- Add('procedure {#word}DoIt(p: word); external; var w: word;');
- Add('procedure {#smallint}DoIt(p: smallint); external; var smi: smallint;');
- Add('procedure {#longword}DoIt(p: longword); external; var lw: longword;');
- Add('procedure {#longint}DoIt(p: longint); external; var li: longint;');
- Add('procedure {#qword}DoIt(p: qword); external; var qw: qword;');
- Add('procedure {#int64}DoIt(p: int64); external; var i6: int64;');
- Add('procedure {#comp}DoIt(p: comp); external; var co: comp;');
- Add('procedure {#boolean}DoIt(p: boolean); external; var bo: boolean;');
- Add('procedure {#char}DoIt(p: char); external; var ch: char;');
- Add('procedure {#widechar}DoIt(p: widechar); external; var wc: widechar;');
- Add('procedure {#string}DoIt(p: string); external; var st: string;');
- Add('procedure {#widestring}DoIt(p: widestring); external; var ws: widestring;');
- Add('procedure {#shortstring}DoIt(p: shortstring); external; var ss: shortstring;');
- Add('procedure {#unicodestring}DoIt(p: unicodestring); external; var us: unicodestring;');
- Add('procedure {#rawbytestring}DoIt(p: rawbytestring); external; var rs: rawbytestring;');
- Add('begin');
- Add(' {@byte}DoIt(by);');
- Add(' {@shortint}DoIt(shi);');
- Add(' {@word}DoIt(w);');
- Add(' {@smallint}DoIt(smi);');
- Add(' {@longword}DoIt(lw);');
- Add(' {@longint}DoIt(li);');
- Add(' {@qword}DoIt(qw);');
- Add(' {@int64}DoIt(i6);');
- Add(' {@comp}DoIt(co);');
- Add(' {@boolean}DoIt(bo);');
- Add(' {@char}DoIt(ch);');
- Add(' {@widechar}DoIt(wc);');
- Add(' {@string}DoIt(st);');
- Add(' {@widestring}DoIt(ws);');
- Add(' {@shortstring}DoIt(ss);');
- Add(' {@unicodestring}DoIt(us);');
- Add(' {@rawbytestring}DoIt(rs);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadWithDefaultArgs;
- begin
- StartProgram(false);
- Add([
- 'type float = type single;',
- 'type integer = longint;',
- 'procedure {#float}DoIt(s: float); external;',
- 'procedure {#longint}DoIt(i: integer; Scale: float = 1.0); external;',
- 'var i: integer;',
- 'begin',
- ' {@float}DoIt(1.0);',
- ' {@longint}DoIt(2);',
- ' {@longint}DoIt(i);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadNearestHigherPrecision;
- begin
- StartProgram(false);
- Add([
- 'procedure {#longint}DoIt(i: longint); external;',
- 'procedure DoIt(i: int64); external;',
- 'var w: word;',
- 'begin',
- ' {@longint}DoIt(w);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadForLoopIntDouble;
- begin
- StartProgram(false);
- Add([
- 'function {#int}Max(a,b: longint): longint; external; overload;',
- 'function {#double}Max(a,b: double): double; external; overload;',
- 'var',
- ' i: longint;',
- ' S: string;',
- 'begin',
- ' for i:=0 to Max(length(s),1) do ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadStringArgCount;
- begin
- StartProgram(false);
- Add([
- 'function {#a}StrToDate(const a: String): double; begin end;',
- 'function {#b}StrToDate(const a: String; const b: string): double; begin end;',
- 'function {#c}StrToDate(const a: String; const b: string; c: char): double; begin end;',
- 'var d: double;',
- 'begin',
- ' d:={@a}StrToDate('''');',
- ' d:={@b}StrToDate('''','''');',
- ' d:={@c}StrToDate('''','''',''x'');',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcCallLowPrecision;
- begin
- StartProgram(false);
- Add([
- 'procedure {#longint}DoIt(i: longint); external;',
- 'var i: int64;',
- 'begin',
- ' {@longint}DoIt(i);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadUntyped;
- begin
- StartProgram(false);
- Add([
- 'procedure {#a}DoIt(a, b: longint); external;',
- 'procedure {#b}DoIt(const a; b: longint); external;',
- 'var',
- ' a: longint;',
- ' b: boolean;',
- 'begin',
- ' {@a}DoIt(a,a);',
- ' {@b}DoIt(b,a);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadMultiLowPrecisionFail;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt(i: longint); external;',
- 'procedure DoIt(w: longword); external;',
- 'var i: int64;',
- 'begin',
- ' DoIt(i);',
- '']);
- CheckResolverException('Can''t determine which overloaded function to call, afile.pp(3,15), afile.pp(2,15)',
- nCantDetermineWhichOverloadedFunctionToCall);
- end;
- procedure TTestResolver.TestProcOverload_TypeAlias;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TValue = type longint;',
- ' TAliasValue = TValue;',
- ' TColor = type TAliasValue;',
- ' TAliasColor = TColor;',
- 'procedure {#a}DoIt(i: TAliasValue); external;',
- 'procedure {#b}DoIt(i: TAliasColor); external;',
- 'procedure {#c}Fly(var i: TAliasValue); external;',
- 'procedure {#d}Fly(var i: TAliasColor); external;',
- 'var',
- ' v: TAliasValue;',
- ' c: TAliasColor;',
- 'begin',
- ' {@a}DoIt(v);',
- ' {@a}DoIt(TAliasValue(c));',
- ' {@a}DoIt(TValue(c));',
- ' {@b}DoIt(c);',
- ' {@b}DoIt(TAliasColor(v));',
- ' {@b}DoIt(TColor(v));',
- ' {@c}Fly(v);',
- ' {@c}Fly(TAliasValue(c));',
- ' {@c}Fly(TValue(c));',
- ' {@d}Fly(c);',
- ' {@d}Fly(TAliasColor(v));',
- ' {@d}Fly(TColor(v));',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverload_TypeAliasLiteralFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' integer = longint;',
- ' TValue = type longint;',
- ' TAliasValue = TValue;',
- 'procedure DoIt(i: integer); external;',
- 'procedure DoIt(i: TAliasValue); external;',
- 'begin',
- ' DoIt(1);',
- '']);
- CheckResolverException('Can''t determine which overloaded function to call, afile.pp(7,15), afile.pp(6,15)',
- nCantDetermineWhichOverloadedFunctionToCall);
- end;
- procedure TTestResolver.TestProcOverloadWithClassTypes;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class end;');
- Add(' {#TA}TClassA = class end;');
- Add(' {#TB}TClassB = class end;');
- Add('procedure {#DoA}DoIt({=TA}p: TClassA); overload;');
- Add('begin');
- Add('end;');
- Add('procedure {#DoB}DoIt({=TB}p: TClassB); overload;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#A}{=TA}A: TClassA;');
- Add(' {#B}{=TB}B: TClassB;');
- Add('begin');
- Add(' {@DoA}DoIt({@A}A);');
- Add(' {@DoB}DoIt({@B}B);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadWithInhClassTypes;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class end;');
- Add(' {#TA}TClassA = class end;');
- Add(' {#TB}TClassB = class(TClassA) end;');
- Add(' {#TC}TClassC = class(TClassB) end;');
- Add('procedure {#DoA}DoIt({=TA}p: TClassA); overload;');
- Add('begin');
- Add('end;');
- Add('procedure {#DoB}DoIt({=TB}p: TClassB); overload;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#A}{=TA}A: TClassA;');
- Add(' {#B}{=TB}B: TClassB;');
- Add(' {#C}{=TC}C: TClassC;');
- Add('begin');
- Add(' {@DoA}DoIt({@A}A);');
- Add(' {@DoB}DoIt({@B}B);');
- Add(' {@DoB}DoIt({@C}C);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadWithInhAliasClassTypes;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {#TOBJ}TObject = class end;',
- ' {#TA}TClassA = class end;',
- ' {#TB}{=TA}TClassB = TClassA;',
- ' {#TC}TClassC = class(TClassB) end;',
- 'procedure {#DoA}DoIt({=TA}p: TClassA); overload;',
- 'begin',
- 'end;',
- 'procedure {#DoC}DoIt({=TC}p: TClassC); overload;',
- 'begin',
- 'end;',
- 'var',
- ' {#A}{=TA}A: TClassA;',
- ' {#B}{=TB}B: TClassB;',
- ' {#C}{=TC}C: TClassC;',
- 'begin',
- ' {@DoA}DoIt({@A}A);',
- ' {@DoA}DoIt({@B}B);',
- ' {@DoC}DoIt({@C}C);']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadWithInterfaces;
- begin
- StartProgram(false);
- Add([
- '{$interfaces corba}',
- 'type',
- ' {#IUnk}IUnknown = interface end;',
- ' {#IBird}IBird = interface(IUnknown) end;',
- ' {#TObj}TObject = class end;',
- ' {#TBird}TBird = class(IBird) end;',
- 'procedure {#DoA}DoIt(o: TObject); overload; begin end;',
- 'procedure {#DoB}DoIt(b: IBird); overload; begin end;',
- 'var',
- ' o: TObject;',
- ' b: TBird;',
- ' i: IBird;',
- 'begin',
- ' {@DoA}DoIt(o);',
- ' {@DoA}DoIt(b);',
- ' {@DoB}DoIt(i);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadBaseTypeOtherUnit;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'procedure Val(var d: double);',
- '']),
- LinesToStr([
- 'procedure Val(var d: double); begin end;',
- 'procedure Val(var i: integer); begin end;',
- '']));
- StartProgram(true);
- Add('uses unit2;');
- Add('var');
- Add(' d: double;');
- Add(' i: integer;');
- Add('begin');
- Add(' Val(d);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadBaseProcNoHint;
- begin
- StartProgram(false);
- Add([
- 'function Copy(s: string): string; overload;',
- 'begin end;',
- 'var',
- ' A: array of longint;',
- ' s: string;',
- 'begin',
- ' A:=Copy(A,1);',
- ' s:=copy(s)']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestProcOverload_UnitOrderFail;
- begin
- AddModuleWithIntfImplSrc('unit1.pp',
- LinesToStr([
- 'procedure Val(d: string);',
- '']),
- LinesToStr([
- 'procedure Val(d: string); begin end;',
- '']));
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'procedure Val(d: double);',
- '']),
- LinesToStr([
- 'procedure Val(d: double); begin end;',
- '']));
- StartProgram(true);
- Add([
- 'uses unit1, unit2;',
- 'var',
- ' s: string;',
- 'begin',
- ' Val(s);']);
- CheckResolverException(sIncompatibleTypeArgNo,nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestProcOverloadDelphiMissingNextOverload;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'procedure DoIt(i: longint); overload;',
- 'begin end;',
- 'procedure DoIt(s: string);',
- 'begin end;',
- 'begin']);
- CheckResolverException(sOverloadedProcMissesOverload,nOverloadedProcMissesOverload);
- end;
- procedure TTestResolver.TestProcOverloadDelphiMissingPrevOverload;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'procedure DoIt(i: longint); ',
- 'begin end;',
- 'procedure DoIt(s: string); overload;',
- 'begin end;',
- 'begin']);
- CheckResolverException(sPreviousDeclMissesOverload,nPreviousDeclMissesOverload);
- end;
- procedure TTestResolver.TestProcOverloadDelphiUnit;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- '{$mode delphi}',
- 'procedure DoIt(s: string); overload;',
- 'procedure DoIt(b: boolean); overload;',
- '']),
- LinesToStr([
- 'procedure DoIt(s: string); begin end;',
- 'procedure DoIt(b: boolean); begin end;',
- '']));
- StartProgram(true);
- Add([
- '{$mode delphi}',
- 'uses unit2;',
- 'procedure DoIt(i: longint); overload;',
- 'begin end;',
- 'begin',
- ' DoIt(3);',
- ' DoIt(true);',
- ' DoIt(''foo'');',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadDelphiUnitNoOverloadFail;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- '{$mode delphi}',
- 'procedure DoIt(b: boolean);',
- '']),
- LinesToStr([
- 'procedure DoIt(b: boolean); begin end;',
- '']));
- StartProgram(true);
- Add([
- '{$mode delphi}',
- 'uses unit2;',
- 'procedure DoIt(i: longint); overload;',
- 'begin end;',
- 'begin',
- ' DoIt(true);',
- '']);
- CheckResolverException(sIncompatibleTypeArgNo,nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestProcOverloadObjFPCUnitWithoutOverloadMod;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- '{$mode objfpc}',
- 'procedure DoIt(s: string);',
- 'procedure DoIt(b: boolean);',
- '']),
- LinesToStr([
- 'procedure DoIt(s: string); begin end;',
- 'procedure DoIt(b: boolean); begin end;',
- '']));
- StartProgram(true);
- Add([
- '{$mode objfpc}',
- 'uses unit2;',
- 'procedure DoIt(i: longint); overload;',
- 'begin end;',
- 'begin',
- ' DoIt(3);',
- ' DoIt(true);',
- ' DoIt(''foo'');',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadDelphiWithObjFPC;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- '{$mode objfpc}',
- 'procedure DoIt(s: string);',
- 'procedure DoIt(b: boolean);',
- '']),
- LinesToStr([
- 'procedure DoIt(s: string); begin end;',
- 'procedure DoIt(b: boolean); begin end;',
- '']));
- StartProgram(true);
- Add([
- '{$mode delphi}',
- 'uses unit2;',
- 'begin',
- ' DoIt(true);',
- ' DoIt(''foo'');',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcOverloadDelphiOverride;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TObject = class end;',
- ' TBird = class',
- ' function {#a}GetValue: longint; overload; virtual;',
- ' function {#b}GetValue(AValue: longint): longint; overload; virtual;',
- ' end;',
- ' TEagle = class(TBird)',
- ' function {#c}GetValue: longint; overload; override;',
- ' function {#d}GetValue(AValue: longint): longint; overload; override;',
- ' end;',
- ' TBear = class',
- ' procedure DoIt;',
- ' end;',
- 'function TBird.GetValue: longint;',
- 'begin',
- ' if 3={@a}GetValue then ;',
- ' if 4={@b}GetValue(5) then ;',
- 'end;',
- 'function TBird.GetValue(AValue: longint): longint;',
- 'begin',
- 'end;',
- 'function TEagle.GetValue: longint;',
- 'begin',
- ' if 13={@c}GetValue then ;',
- ' if 14={@d}GetValue(15) then ;',
- ' if 15=inherited {@a}GetValue then ;',
- ' if 16=inherited {@b}GetValue(17) then ;',
- 'end;',
- 'function TEagle.GetValue(AValue: longint): longint;',
- 'begin',
- 'end;',
- 'procedure TBear.DoIt;',
- 'var',
- ' e: TEagle;',
- 'begin',
- ' if 23=e.{@c}GetValue then ;',
- ' if 24=e.{@d}GetValue(25) then ;',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcDuplicate;
- begin
- StartProgram(false);
- Add('type integer = longint;');
- Add('procedure ProcA(i: longint);');
- Add('begin');
- Add('end;');
- Add('procedure ProcA(i: integer);');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException(sDuplicateIdentifier,nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestNestedProc;
- begin
- StartProgram(false);
- Add('function DoIt({#a1}a,{#d1}d: longint): longint;');
- Add('var');
- Add(' {#b1}b: longint;');
- Add(' {#c1}c: longint;');
- Add(' function {#Nesty1}Nesty({#a2}a: longint): longint; ');
- Add(' var {#b2}b: longint;');
- Add(' begin');
- Add(' Result:={@a2}a');
- Add(' +{@b2}b');
- Add(' +{@c1}c');
- Add(' +{@d1}d;');
- Add(' Nesty:=3;');
- Add(' DoIt:=4;');
- Add(' end;');
- Add('begin');
- Add(' Result:={@a1}a');
- Add(' +{@b1}b');
- Add(' +{@c1}c;');
- Add(' DoIt:=5;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestNestedProc_ResultString;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add([
- 'function DoIt: string;',
- ' function Sub: char;',
- ' begin',
- ' {#a1}DoIt:=#65;',
- ' {#a2}DoIt[1]:=#66;',
- ' {#a3}DoIt;',
- ' end;',
- 'begin',
- ' {#b1}DoIt:=#67;',
- ' {#b2}DoIt[2]:=#68;',
- ' {#b3}DoIt;',
- 'end;',
- 'begin']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestNestedProc_ResultString ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestNestedProc_ResultString ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- //writeln('TTestResolver.TestNestedProc_ResultString ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' Decl=',GetObjName(Ref.Declaration));
- case aMarker^.Identifier of
- 'a1','a2','b1','b2':
- if not (Ref.Declaration is TPasResultElement) then
- RaiseErrorAtSrcMarker('expected FuncResult at "#'+aMarker^.Identifier+', but was "'+GetObjName(Ref.Declaration)+'"',aMarker);
- 'a3','b3':
- if not (Ref.Declaration is TPasFunction) then
- RaiseErrorAtSrcMarker('expected TPasFunction at "#'+aMarker^.Identifier+', but was "'+GetObjName(Ref.Declaration)+'"',aMarker);
- end;
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestFuncAssignFail;
- begin
- StartProgram(false);
- Add([
- 'function DoIt: boolean;',
- 'begin',
- 'end;',
- 'begin',
- ' DoIt:=true;']);
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestForwardProc;
- begin
- StartProgram(false);
- Add('procedure {#A_forward}FuncA(i: longint); forward;');
- Add('procedure {#B}FuncB(i: longint);');
- Add('begin');
- Add(' {@A_forward}FuncA(i);');
- Add('end;');
- Add('procedure {#A}FuncA(i: longint);');
- Add('begin');
- Add('end;');
- Add('begin');
- Add(' {@A_forward}FuncA(3);');
- Add(' {@B}FuncB(3);');
- ParseProgram;
- end;
- procedure TTestResolver.TestForwardProcUnresolved;
- begin
- StartProgram(false);
- Add('procedure FuncA(i: longint); forward;');
- Add('begin');
- CheckResolverException(sForwardProcNotResolved,nForwardProcNotResolved);
- end;
- procedure TTestResolver.TestNestedForwardProc;
- begin
- StartProgram(false);
- Add('procedure {#A}FuncA;');
- Add(' procedure {#B_forward}ProcB(i: longint); forward;');
- Add(' procedure {#C}ProcC(i: longint);');
- Add(' begin');
- Add(' {@B_forward}ProcB(i);');
- Add(' end;');
- Add(' procedure {#B}ProcB(i: longint);');
- Add(' begin');
- Add(' end;');
- Add('begin');
- Add(' {@B_forward}ProcB(3);');
- Add(' {@C}ProcC(3);');
- Add('end;');
- Add('begin');
- Add(' {@A}FuncA;');
- ParseProgram;
- end;
- procedure TTestResolver.TestNestedForwardProcUnresolved;
- begin
- StartProgram(false);
- Add('procedure FuncA;');
- Add(' procedure ProcB(i: longint); forward;');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException(sForwardProcNotResolved,nForwardProcNotResolved);
- end;
- procedure TTestResolver.TestForwardProcFuncMismatch;
- begin
- StartProgram(false);
- Add('procedure DoIt; forward;');
- Add('function DoIt: longint;');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException('procedure expected, but function found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestForwardFuncResultMismatch;
- begin
- StartProgram(false);
- Add('function DoIt: longint; forward;');
- Add('function DoIt: string;');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException('Result type mismatch, expected Longint, but found String',
- nResultTypeMismatchExpectedButFound);
- end;
- procedure TTestResolver.TestUnitIntfProc;
- begin
- StartUnit(false);
- Add('interface');
- Add('procedure {#A_forward}FuncA({#Bar}Bar: longint);');
- Add('implementation');
- Add('procedure {#A}FuncA(bar: longint);');
- Add('begin');
- Add(' if {@Bar}bar=3 then ;');
- Add('end;');
- Add('initialization');
- Add(' {@A_forward}FuncA(3);');
- ParseUnit;
- end;
- procedure TTestResolver.TestUnitIntfProcUnresolved;
- begin
- StartUnit(false);
- Add('interface');
- Add('procedure {#A_forward}FuncA(i: longint);');
- Add('implementation');
- Add('initialization');
- CheckResolverException(sForwardProcNotResolved,nForwardProcNotResolved);
- end;
- procedure TTestResolver.TestUnitIntfMismatchArgName;
- begin
- StartUnit(false);
- Add('interface');
- Add('procedure {#A_forward}ProcA(i: longint);');
- Add('implementation');
- Add('procedure {#A}ProcA(j: longint);');
- Add('begin');
- Add('end;');
- CheckResolverException('function header "ProcA" doesn''t match forward : var name changes i => j',
- nFunctionHeaderMismatchForwardVarName);
- end;
- procedure TTestResolver.TestProcOverloadIsNotFunc;
- begin
- StartUnit(false);
- Add('interface');
- Add('var ProcA: longint;');
- Add('procedure {#A_Decl}ProcA(i: longint);');
- Add('implementation');
- Add('procedure {#A_Impl}ProcA(i: longint);');
- Add('begin');
- Add('end;');
- CheckResolverException(sDuplicateIdentifier,nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestProcCallMissingParams;
- begin
- StartProgram(false);
- Add('procedure Proc1(a: longint);');
- Add('begin');
- Add('end;');
- Add('begin');
- Add(' Proc1;');
- CheckResolverException('Wrong number of parameters specified for call to "Proc1"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestProcArgDefaultValue;
- begin
- StartProgram(false);
- Add('const {#DefA}DefA = 3;');
- Add('procedure Proc1(a: longint = {@DefA}DefA);');
- Add('begin');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcArgDefaultValueTypeMismatch;
- begin
- StartProgram(false);
- Add('procedure Proc1(a: string = 3);');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestProcPassConstToVar;
- begin
- StartProgram(false);
- Add('procedure DoSome(var i: longint); begin end;');
- Add('procedure DoIt(const i: longint);');
- Add('begin');
- Add(' DoSome(i);');
- Add('end;');
- Add('begin');
- CheckResolverException('Variable identifier expected',
- nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestBuiltInProcCallMissingParams;
- begin
- StartProgram(false);
- Add('begin');
- Add(' length;');
- CheckResolverException('Wrong number of parameters specified for call to "function Length(const String or Array): sizeint"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestAssignFunctionResult;
- begin
- StartProgram(false);
- Add('function {#F1}F1: longint;');
- Add('begin');
- Add('end;');
- Add('function {#F2}F2: longint;');
- Add('begin');
- Add('end;');
- Add('var {#i}i: longint;');
- Add('begin');
- Add(' {@i}i:={@F1}F1();');
- Add(' {@i}i:={@F1}F1()+{@F2}F2();');
- Add(' {@i}i:={@F1}F1;');
- Add(' {@i}i:={@F1}F1+{@F2}F2;');
- ParseProgram;
- end;
- procedure TTestResolver.TestAssignProcResultFail;
- begin
- StartProgram(false);
- Add('procedure {#P}P;');
- Add('begin');
- Add('end;');
- Add('var {#i}i: longint;');
- Add('begin');
- Add(' {@i}i:={@P}P();');
- CheckResolverException('Incompatible types: got "Procedure/Function" expected "Longint"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestFunctionResultInCondition;
- begin
- StartProgram(false);
- Add('function {#F1}F1: longint;');
- Add('begin');
- Add('end;');
- Add('function {#F2}F2: boolean;');
- Add('begin');
- Add('end;');
- Add('var {#i}i: longint;');
- Add('begin');
- Add(' if {@F2}F2 then ;');
- Add(' if {@i}i={@F1}F1() then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestExit;
- begin
- StartProgram(false);
- Add('procedure ProcA;');
- Add('begin');
- Add(' exit;');
- Add('end;');
- Add('function FuncB: longint;');
- Add('begin');
- Add(' exit;');
- Add(' exit(3);');
- Add('end;');
- Add('function FuncC: string;');
- Add('begin');
- Add(' exit;');
- Add(' exit(''a'');');
- Add(' exit(''abc'');');
- Add('end;');
- Add('begin');
- Add(' exit;');
- Add(' exit(4);');
- ParseProgram;
- end;
- procedure TTestResolver.TestBreak;
- begin
- StartProgram(false);
- Add('var i: longint;');
- Add('begin');
- Add(' repeat');
- Add(' break;');
- Add(' until false;');
- Add(' while true do');
- Add(' break;');
- Add(' for i:=0 to 1 do');
- Add(' break;');
- ParseProgram;
- end;
- procedure TTestResolver.TestContinue;
- begin
- StartProgram(false);
- Add('var i: longint;');
- Add('begin');
- Add(' repeat');
- Add(' continue;');
- Add(' until false;');
- Add(' while true do');
- Add(' continue;');
- Add(' for i:=0 to 1 do');
- Add(' continue;');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcedureExternal;
- begin
- StartProgram(false);
- Add('procedure {#ProcA}ProcA; external ''ExtProcA'';');
- Add('function {#FuncB}FuncB: longint; external ''ExtFuncB'';');
- Add('function {#FuncC}FuncC(d: double): string; external ''ExtFuncC'';');
- Add('var');
- Add(' i: longint;');
- Add(' s: string;');
- Add('begin');
- Add(' {@ProcA}ProcA;');
- Add(' i:={@FuncB}FuncB;');
- Add(' i:={@FuncB}FuncB();');
- Add(' s:={@FuncC}FuncC(1.2);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProc_UntypedParam_Forward;
- begin
- StartProgram(false);
- Add('procedure {#ProcA}ProcA(var {#A}A); forward;');
- Add('procedure {#ProcB}ProcB(const {#B}B); forward;');
- Add('procedure {#ProcC}ProcC(out {#C}C); forward;');
- Add('procedure {#ProcD}ProcD(constref {#D}D); forward;');
- Add('procedure ProcA(var A);');
- Add('begin');
- Add('end;');
- Add('procedure ProcB(const B);');
- Add('begin');
- Add('end;');
- Add('procedure ProcC(out C);');
- Add('begin');
- Add('end;');
- Add('procedure ProcD(constref D);');
- Add('begin');
- Add('end;');
- Add('var i: longint;');
- Add('begin');
- Add(' {@ProcA}ProcA(i);');
- Add(' {@ProcB}ProcB(i);');
- Add(' {@ProcC}ProcC(i);');
- Add(' {@ProcD}ProcD(i);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProc_Varargs;
- begin
- StartProgram(false);
- Add('procedure ProcA(i:longint); varargs; external;');
- Add('procedure ProcB; varargs; external;');
- Add('procedure ProcC(i: longint = 17); varargs; external;');
- Add('begin');
- Add(' ProcA(1);');
- Add(' ProcA(1,2);');
- Add(' ProcA(1,2.0);');
- Add(' ProcA(1,2,3);');
- Add(' ProcA(1,''2'');');
- Add(' ProcA(2,'''');');
- Add(' ProcA(3,false);');
- Add(' ProcB;');
- Add(' ProcB();');
- Add(' ProcB(4);');
- Add(' ProcB(''foo'');');
- Add(' ProcC;');
- Add(' ProcC();');
- Add(' ProcC(4);');
- Add(' ProcC(5,''foo'');');
- ParseProgram;
- end;
- procedure TTestResolver.TestProc_ParameterExprAccess;
- begin
- StartProgram(false);
- Add('type');
- Add(' TRec = record');
- Add(' a: longint;');
- Add(' end;');
- Add('procedure DoIt(i: longint; const j: longint; var k: longint; out l: longint);');
- Add('begin');
- Add(' DoIt({#loc1_read}i,{#loc2_read}i,{#loc3_var}i,{#loc4_out}i);');
- Add('end;');
- Add('var');
- Add(' r: TRec;');
- Add('begin');
- Add(' DoIt({#r1_read}r.{#r_a1_read}a,');
- Add(' {#r2_read}r.{#r_a2_read}a,');
- Add(' {#r3_read}r.{#r_a3_var}a,');
- Add(' {#r4_read}r.{#r_a4_out}a);');
- Add(' with r do');
- Add(' DoIt({#w_a1_read}a,');
- Add(' {#w_a2_read}a,');
- Add(' {#w_a3_var}a,');
- Add(' {#w_a4_out}a);');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestProc_FunctionResult_DeclProc;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- ResultEl: TPasResultElement;
- Proc: TPasProcedure;
- ProcScope: TPasProcedureScope;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' function MethodA: longint;');
- Add(' end;');
- Add('function FuncA: longint; forward;');
- Add('function TObject.MethodA: longint;');
- Add('begin');
- Add(' {#MethodA_Result}Result:=1;');
- Add('end;');
- Add('function FuncA: longint;');
- Add(' function SubFuncA: longint; forward;');
- Add(' function SubFuncB: longint;');
- Add(' begin');
- Add(' {#SubFuncB_Result}Result:=2;');
- Add(' end;');
- Add(' function SubFuncA: longint;');
- Add(' begin');
- Add(' {#SubFuncA_Result}Result:=3;');
- Add(' end;');
- Add('begin');
- Add(' {#FuncA_Result}Result:=4;');
- Add('end;');
- Add('begin');
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestProc_FunctionResult_DeclProc ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestProc_FunctionResult_DeclProc ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- //writeln('TTestResolver.TestProc_FunctionResult_DeclProc ',GetObjName(Ref.Declaration));
- if not (Ref.Declaration is TPasResultElement) then continue;
- ResultEl:=TPasResultElement(Ref.Declaration);
- Proc:=ResultEl.Parent.Parent as TPasProcedure;
- ProcScope:=Proc.CustomData as TPasProcedureScope;
- if ProcScope.DeclarationProc<>nil then
- RaiseErrorAtSrcMarker('expected Result to resolve to declaration at "#'+aMarker^.Identifier+', but was implproc"',aMarker);
- break;
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestProc_TypeCastFunctionResult;
- begin
- StartProgram(false);
- Add('function GetIt: longint; begin end;');
- Add('var s: smallint;');
- Add('begin');
- Add(' s:=smallint(GetIt);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProc_ImplicitCalls;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualImplicitCallWithoutParams: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add([
- 'function b: longint;',
- 'begin',
- 'end;',
- 'function GetStr: string;',
- 'begin',
- 'end;',
- 'var',
- ' a: longint;',
- ' s: string;',
- ' arr: array of longint;',
- 'begin',
- ' Inc(a,{#b1}b);',
- ' Dec(a,{#b2}b);',
- ' str({#b3}b,s);',
- ' SetLength(arr,{#b4}b);',
- ' Insert({#b5}b,arr,{#b6}b);',
- ' Delete(arr,{#b7}b,{#b8}b);',
- ' a:=length({#b9}GetStr);',
- '']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestProc_IncWithImplicitCall ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualImplicitCallWithoutParams:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestProc_IncWithImplicitCall ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestProc_IncWithImplicitCall ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- ActualImplicitCallWithoutParams:=rrfImplicitCallWithoutParams in Ref.Flags;
- break;
- end;
- if not ActualImplicitCallWithoutParams then
- RaiseErrorAtSrcMarker('expected implicit call at "#'+aMarker^.Identifier+', but got function ref"',aMarker);
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestProc_Absolute;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt(p: Pointer);',
- 'var',
- ' s: string absolute p;',
- ' t: array of char absolute s;',
- 'begin',
- 'end;',
- 'begin']);
- end;
- procedure TTestResolver.TestAnonymousProc_Assign;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TFunc = reference to function(x: word): word;',
- 'var Func: TFunc;',
- 'procedure DoIt(a: word);',
- 'begin',
- ' Func:=function(b:word): word',
- ' begin',
- ' Result:=a+b;',
- ' exit(b);',
- ' exit(Result);',
- ' end;',// test semicolon
- ' a:=3;',
- 'end;',
- 'begin',
- ' Func:=function(c:word):word begin',
- ' Result:=3+c;',
- ' exit(c);',
- ' exit(Result);',
- ' end;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAnonymousProc_AssignSemicolonFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- 'procedure DoIt(a: word);',
- 'var p: TProc;',
- 'begin',
- ' p:=procedure; begin end;',
- ' a:=3;',
- 'end;',
- 'begin']);
- CheckParserException('Expected "begin" at token ";" in file afile.pp at line 7 column 15',
- nParserExpectTokenError);
- end;
- procedure TTestResolver.TestAnonymousProc_Assign_ReferenceToMissingFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = procedure;',
- 'procedure DoIt;',
- 'var p: TProc;',
- 'begin',
- ' p:=procedure(w: word) begin end;',
- 'end;',
- 'begin']);
- CheckResolverException('procedural type modifier "reference to" mismatch',
- nXModifierMismatchY);
- end;
- procedure TTestResolver.TestAnonymousProc_Assign_WrongParamListFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- 'procedure DoIt;',
- 'var p: TProc;',
- 'begin',
- ' p:=procedure(w: word) begin end;',
- 'end;',
- 'begin']);
- CheckResolverException('Incompatible types, got 0 parameters, expected 1',
- nIncompatibleTypesGotParametersExpected);
- end;
- procedure TTestResolver.TestAnonymousProc_Arg;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- ' TFunc = reference to function(x: word): word;',
- 'procedure DoMore(f,g: TProc);',
- 'begin',
- 'end;',
- 'procedure DoIt(f: TFunc);',
- 'begin',
- ' DoIt(function(b:word): word',
- ' begin',
- ' Result:=1+b;',
- ' end);',
- ' DoMore(procedure begin end, procedure begin end);',
- 'end;',
- 'begin',
- ' DoMore(procedure begin end, procedure begin end);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAnonymousProc_ArgSemicolonFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- 'procedure DoIt(p: TProc);',
- 'begin',
- 'end;',
- 'begin',
- ' DoIt(procedure begin end;);']);
- CheckParserException('Expected "," at token ";" in file afile.pp at line 8 column 27',
- nParserExpectTokenError);
- end;
- procedure TTestResolver.TestAnonymousProc_EqualFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TFunc = reference to function(x: word): word;',
- 'procedure DoIt(f: TFunc);',
- 'var w: word;',
- 'begin',
- ' if w=function(b:word): word',
- ' begin',
- ' Result:=1+b;',
- ' end then ;',
- 'end;',
- 'begin']);
- CheckResolverException('Incompatible types: got "Procedure/Function" expected "Word"',nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestAnonymousProc_ConstFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- 'const',
- ' p: TProc = procedure begin end;',
- 'begin']);
- CheckParserException('Identifier expected at token "procedure" in file afile.pp at line 5 column 14',nParserExpectedIdentifier);
- end;
- procedure TTestResolver.TestAnonymousProc_Assembler;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- ' TProcB = reference to procedure cdecl;',
- 'procedure DoIt(p: TProc);',
- 'var b: TProcB;',
- 'begin',
- ' p:=procedure assembler asm end;',
- ' p:=procedure() assembler asm end;',
- ' b:=procedure() cdecl assembler asm end;',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAnonymousProc_NameFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- 'procedure DoIt(p: TProc);',
- 'begin',
- ' p:=procedure Bla() begin end;',
- 'end;',
- 'begin']);
- CheckParserException(SParserSyntaxError,nParserSyntaxError);
- end;
- procedure TTestResolver.TestAnonymousProc_StatementFail;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt;',
- 'begin',
- ' procedure () begin end;',
- 'end;',
- 'begin']);
- CheckParserException(SParserSyntaxError,nParserSyntaxError);
- end;
- procedure TTestResolver.TestAnonymousProc_Typecast_ObjFPC;
- begin
- StartProgram(false);
- Add([
- '{$mode ObjFPC}',
- 'type',
- ' TProc = reference to procedure(w: word);',
- ' TArr = array of word;',
- ' TFuncArr = reference to function: TArr;',
- 'procedure DoIt(p: TProc);',
- 'var',
- ' w: word;',
- ' a: TArr;',
- 'begin',
- ' p:=TProc(procedure(b: smallint) begin end);',
- ' a:=TFuncArr(function: TArr begin end)();',
- ' w:=TFuncArr(function: TArr begin end)()[3];',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAnonymousProc_Typecast_Delphi;
- begin
- StartProgram(false);
- Add([
- '{$mode Delphi}',
- 'type',
- ' TProc = reference to procedure(w: word);',
- ' TArr = array of word;',
- ' TFuncArr = reference to function: TArr;',
- 'procedure DoIt(p: TProc);',
- 'var',
- ' w: word;',
- ' a: TArr;',
- 'begin',
- ' p:=TProc(procedure(b: smallint) begin end);',
- ' a:=TFuncArr(function: TArr begin end)();',
- ' w:=TFuncArr(function: TArr begin end)()[3];',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAnonymousProc_TypecastToResultFail;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt;',
- 'var i: longint;',
- 'begin',
- ' i:=longint(function(b: byte): byte begin end);',
- 'end;',
- 'begin']);
- CheckResolverException('Illegal type conversion: "Procedure/Function" to "Longint"',
- nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestAnonymousProc_With;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure(w: word);',
- ' TObject = class end;',
- ' TBird = class',
- ' {#bool}b: boolean;',
- ' end;',
- 'procedure DoIt({#i}i: longint);',
- 'var',
- ' {#p}p: TProc;',
- ' {#bird}bird: TBird;',
- 'begin',
- ' with {@bird}bird do',
- ' {@p}p:=procedure({#w}w: word)',
- ' begin',
- ' {@bool}b:=true;',
- ' {@bool}b:=({@w}w+{@i}i)>2;',
- ' end;',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAnonymousProc_ExceptOn;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- ' TObject = class end;',
- ' Exception = class',
- ' {#bool}b: boolean;',
- ' end;',
- 'procedure DoIt;',
- 'var',
- ' {#p}p: TProc;',
- 'begin',
- ' try',
- ' except',
- ' on {#E}E: Exception do',
- ' {@p}p:=procedure',
- ' begin',
- ' {@E}E.{@bool}b:=true;',
- ' end;',
- ' end;',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAnonymousProc_Nested;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProc = reference to procedure;',
- ' TObject = class',
- ' i: byte;',
- ' procedure DoIt;',
- ' end;',
- 'procedure TObject.DoIt;',
- 'var',
- ' p: TProc;',
- ' procedure Sub;',
- ' begin',
- ' p:=procedure',
- ' begin',
- ' i:=3;',
- ' Self.i:=4;',
- ' p:=procedure',
- ' procedure SubSub;',
- ' begin',
- ' i:=13;',
- ' Self.i:=14;',
- ' end;',
- ' begin',
- ' i:=13;',
- ' Self.i:=14;',
- ' end;',
- ' end;',
- ' end;',
- 'begin',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TRec}TRec = record');
- Add(' {#Size}Size: longint;');
- Add(' end;');
- Add('var');
- Add(' {#r}{=TRec}r: TRec;');
- Add('begin');
- Add(' {@r}r.{@Size}Size:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestRecordVariant;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TRec}TRec = record');
- Add(' {#Size}Size: longint;');
- Add(' case {#vari}vari: longint of');
- Add(' 0: ({#b}b: longint)');
- Add(' end;');
- Add('var');
- Add(' {#r}{=TRec}r: TRec;');
- Add('begin');
- Add(' {@r}r.{@Size}Size:=3;');
- Add(' {@r}r.{@vari}vari:=4;');
- Add(' {@r}r.{@b}b:=5;');
- ParseProgram;
- end;
- procedure TTestResolver.TestRecordVariantNested;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {#TRec}TRec = record',
- ' {#Size}Size: longint;',
- ' case {#vari}vari: longint of',
- ' 0: ({#b}b: longint)',
- ' 1: ({#c}c:',
- ' record',
- ' {#d}d: longint;',
- ' case {#e}e: longint of',
- ' 0: ({#f}f: longint)',
- ' end)',
- ' end;',
- 'var',
- ' {#r}{=TRec}r: TRec;',
- 'begin',
- ' {@r}r.{@Size}Size:=3;',
- ' {@r}r.{@vari}vari:=4;',
- ' {@r}r.{@b}b:=5;',
- ' {@r}r.{@c}c.{@d}d:=6;',
- ' {@r}r.{@c}c.{@e}e:=7;',
- ' {@r}r.{@c}c.{@f}f:=8;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord_WriteConstParamFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TSmall = record');
- Add(' Size: longint;');
- Add(' end;');
- Add('procedure DoIt(const S: TSmall);');
- Add('begin');
- Add(' S.Size:=3;');
- Add('end;');
- Add('begin');
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestRecord_WriteConstParam_WithFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TSmall = record');
- Add(' Size: longint;');
- Add(' end;');
- Add('procedure DoIt(const S: TSmall);');
- Add('begin');
- Add(' with S do Size:=3;');
- Add('end;');
- Add('begin');
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestRecord_WriteNestedConstParamFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TSmall = record');
- Add(' Size: longint;');
- Add(' end;');
- Add(' TBig = record');
- Add(' Small: TSmall;');
- Add(' end;');
- Add('procedure DoIt(const B: TBig);');
- Add('begin');
- Add(' B.Small.Size:=3;');
- Add('end;');
- Add('begin');
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestRecord_WriteNestedConstParamWithFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TSmall = record');
- Add(' Size: longint;');
- Add(' end;');
- Add(' TBig = record');
- Add(' Small: TSmall;');
- Add(' end;');
- Add('procedure DoIt(const B: TBig);');
- Add('begin');
- Add(' with B do with Small do Size:=3;');
- Add('end;');
- Add('begin');
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestRecord_TypeCast;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TAnimal = record',
- ' Size: longint;',
- ' end;',
- ' TBird = record',
- ' Length: longint;',
- ' end;',
- 'var',
- ' a: TAnimal;',
- ' b: TBird;',
- 'begin',
- ' b:=TBird(a);',
- ' TAnimal(b).Size:=TBird(a).Length;',
- ' ']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord_NewDispose;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TBird = record',
- ' Length: longint;',
- ' end;',
- ' PBird = ^TBird;',
- 'var',
- ' p: PBird;',
- ' q: ^TBird;',
- 'begin',
- ' New(p);',
- ' Dispose(p);',
- ' New(q);',
- ' Dispose(q);',
- ' ']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord_Const;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPoint = record x, y: longint; end;',
- 'const r: TPoint = (x:1; y:2);',
- 'type',
- ' TPasSourcePos = Record',
- ' FileName: String;',
- ' Row, Column: LongWord;',
- ' end;',
- 'const',
- ' DefPasSourcePos: TPasSourcePos = (Filename:''''; Row:0; Column:0);',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord_Const_DuplicateFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPoint = record x, y: longint; end;',
- 'const r: TPoint = (x:1; x:2);',
- 'begin',
- '']);
- CheckResolverException('Duplicate identifier "x" at afile.pp(4,20)',nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestRecord_Const_ExprMismatchFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPoint = record x, y: longint; end;',
- 'const r: TPoint = (x:1; x:2);',
- 'begin',
- '']);
- CheckResolverException('Duplicate identifier "x" at afile.pp(4,20)',nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestRecord_Const_MissingHint;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPoint = record x, y: longint; end;',
- 'const r: TPoint = (x:1);',
- 'begin',
- '']);
- ParseProgram;
- CheckResolverHint(mtHint,nMissingFieldsX,'Missing fields: "y"');
- end;
- procedure TTestResolver.TestRecord_Const_UntypedFail;
- begin
- StartProgram(false);
- Add([
- 'const r = (x:1);',
- 'begin',
- '']);
- CheckResolverException('Syntax error, "const" expected but "record values" found',nSyntaxErrorExpectedButFound);
- end;
- procedure TTestResolver.TestRecord_Const_NestedRecord;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPoint = record x, y: longint; end;',
- ' TSrc = record',
- ' Id: longint;',
- ' XY: TPoint',
- ' end;',
- 'const r: TSrc = (Id:1; XY: (x:2; y:3));',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord_Const_Variant;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {#TRec}TRec = record',
- ' {#Size}Size: longint;',
- ' case {#vari}vari: longint of',
- ' 0: ({#b}b: longint);',
- ' 1: ({#c}c:',
- ' record',
- ' {#d}d: longint;',
- ' case {#e}e: longint of',
- ' 0: ({#f}f: longint)',
- ' end)',
- ' end;',
- 'const',
- ' {#r}r: TRec = (',
- ' {@Size}Size:2;',
- ' {@c}c:(',
- ' {@d}d:3;',
- ' {@f}f:4',
- ' )',
- ' );',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord_Default;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPoint = record x, y: longint; end;',
- 'var',
- ' i: longint;',
- ' r: TPoint;',
- 'begin',
- ' i:=Default(longint);',
- ' r:=Default(r);',
- ' r:=Default(TPoint);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord_VarExternal;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch externalclass}',
- 'type',
- ' TRec = record',
- ' Id: longint external name ''$Id'';',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecord_VarSelfFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TRec = record',
- ' r: Trec;',
- ' end;',
- 'begin']);
- CheckResolverException('type "TRec" is not yet completely defined',nTypeXIsNotYetCompletelyDefined);
- end;
- procedure TTestResolver.TestAdvRecord;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' procedure DoIt;',
- ' end;',
- 'procedure TRec.DoIt;',
- 'begin',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_Private;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' private',
- ' a: byte;',
- ' public',
- ' b: byte;',
- ' end;',
- 'var',
- ' r: TRec;',
- 'begin',
- ' r.a:=r.b;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_StrictPrivate;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' strict private',
- ' FSize: longword;',
- ' function GetSize: longword;',
- ' public',
- ' property Size: longword read GetSize write FSize;',
- ' end;',
- 'function TRec.GetSize: longword;',
- 'begin',
- ' FSize:=GetSize;',
- 'end;',
- 'var',
- ' r: TRec;',
- 'begin',
- ' r.Size:=r.Size;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_StrictPrivateFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' strict private',
- ' A: word;',
- ' end;',
- 'var',
- ' r: TRec;',
- 'begin',
- ' r.a:=r.a;']);
- CheckResolverException('Can''t access strict private member A',nCantAccessXMember);
- end;
- procedure TTestResolver.TestAdvRecord_MethodImplMissingFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' procedure SetSize(Value: word);',
- ' end;',
- 'begin',
- '']);
- CheckResolverException(sForwardProcNotResolved,nForwardProcNotResolved);
- end;
- procedure TTestResolver.TestAdvRecord_VarConst;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' type TInt = word;',
- ' const',
- ' C1 = 3;',
- ' C2: TInt = 4;',
- ' var',
- ' V1: TInt;',
- ' V2: TInt;',
- ' class var',
- ' VC: TInt;',
- ' CA: array[1..C1] of TInt;',
- ' procedure DoIt;',
- ' end;',
- 'procedure TRec.DoIt;',
- 'begin',
- ' C2:=Self.C2;',
- ' V1:=VC;',
- ' Self.V1:=Self.VC;',
- ' VC:=V1;',
- ' Self.VC:=Self.V1;',
- 'end;',
- 'var',
- ' r: TRec;',
- 'begin',
- ' trec.C2:=trec.C2;',
- ' r.V1:=r.VC;',
- ' r.V1:=trec.VC;',
- ' r.VC:=r.V1;',
- ' trec.VC:=trec.c1;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_RecVal_ConstFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' V1: word;',
- ' const',
- ' C1 = 3;',
- ' end;',
- 'var',
- ' r: TRec = (V1:2; C1: 4);',
- 'begin',
- '']);
- CheckResolverException(sIdentifierXIsNotAnInstanceField,nIdentifierXIsNotAnInstanceField);
- end;
- procedure TTestResolver.TestAdvRecord_RecVal_ClassVarFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' V1: word;',
- ' class var',
- ' C1: word;',
- ' end;',
- 'var',
- ' r: TRec = (V1:2; C1: 4);',
- 'begin',
- '']);
- CheckResolverException(sIdentifierXIsNotAnInstanceField,nIdentifierXIsNotAnInstanceField);
- end;
- procedure TTestResolver.TestAdvRecord_LocalForwardType;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' type',
- ' PInt = ^TInt;',
- ' TInt = word;',
- ' var i: PInt;',
- ' end;',
- 'var',
- ' r: TRec;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_Constructor_NewInstance;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualNewInstance: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' constructor Create(w: word);',
- ' class function DoSome: TRec; static;',
- ' end;',
- 'constructor TRec.Create(w: word);',
- 'begin',
- ' {#a}Create(1); // normal call',
- ' TRec.{#b}Create(2); // new instance',
- 'end;',
- 'class function TRec.DoSome: TRec;',
- 'begin',
- ' Result:={#c}Create(3); // new instance',
- 'end;',
- 'var',
- ' r: TRec;',
- 'begin',
- ' TRec.{#p}Create(4); // new object',
- ' r:=TRec.{#q}Create(5); // new object',
- ' with TRec do begin',
- ' {#r}Create(6); // new object',
- ' r:={#s}Create(7); // new object',
- ' end;',
- ' r.{#t}Create(8); // normal call',
- ' r:=r.{#u}Create(9); // normal call',
- ' with r do begin',
- ' {#v}Create(10); // normal call',
- ' r:={#w}Create(11); // normal call',
- ' end;',
- '']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualNewInstance:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- if (Ref.Declaration is TPasConstructor) then
- ActualNewInstance:=rrfNewInstance in Ref.Flags;
- if rrfImplicitCallWithoutParams in Ref.Flags then
- RaiseErrorAtSrcMarker('unexpected implicit call at "#'+aMarker^.Identifier+' ref"',aMarker);
- break;
- end;
- case aMarker^.Identifier of
- 'a','t','u','v','w':// should be normal call
- if ActualNewInstance then
- RaiseErrorAtSrcMarker('expected normal call at "#'+aMarker^.Identifier+', but got newinstance"',aMarker);
- else // should be newinstance
- if not ActualNewInstance then
- RaiseErrorAtSrcMarker('expected newinstance at "#'+aMarker^.Identifier+', but got normal call"',aMarker);
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestAdvRecord_ConstructorNoParamsFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' constructor Create(w: word = 3);',
- ' end;',
- 'constructor TRec.Create(w: word);',
- 'begin',
- 'end;',
- 'begin',
- '']);
- CheckResolverException(sParameterlessConstructorsNotAllowedInRecords,
- nParameterlessConstructorsNotAllowedInRecords);
- end;
- procedure TTestResolver.TestAdvRecord_ClassConstructor;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' class var w: word;',
- ' class procedure {#a}Create; static;',
- ' class constructor Create;', // name clash is allowed!
- ' end;',
- 'class constructor TRec.Create;',
- 'begin',
- ' w:=w+1;',
- 'end;',
- 'class procedure TRec.Create;',
- 'begin',
- ' w:=w+1;',
- 'end;',
- 'begin',
- ' TRec.{@a}Create;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_ClassConstructorParamsFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' class constructor Create(w: word);',
- ' end;',
- 'class constructor TRec.Create(w: word);',
- 'begin',
- 'end;',
- 'begin',
- '']);
- CheckResolverException('class constructor cannot have parameters',nXCannotHaveParameters);
- end;
- procedure TTestResolver.TestAdvRecord_ClassConstructor_CallFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' class constructor Create;',
- ' end;',
- 'class constructor TRec.Create;',
- 'begin',
- 'end;',
- 'begin',
- ' TRec.Create;',
- '']);
- CheckResolverException('identifier not found "Create"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestAdvRecord_ClassConstructorDuplicateFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' class constructor Create;',
- ' class constructor Init;',
- ' end;',
- 'class constructor TRec.Create;',
- 'begin',
- 'end;',
- 'class constructor TRec.Init;',
- 'begin',
- 'end;',
- 'begin',
- '']);
- CheckResolverException('Multiple class constructor in record TRec: Create and Init',
- nMultipleXinTypeYNameZCAandB);
- end;
- procedure TTestResolver.TestAdvRecord_NestedRecordType;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' type',
- ' TSub = record',
- ' x: word;',
- ' class var y: word;',
- ' procedure DoSub;',
- ' end;',
- ' var',
- ' Sub: TSub;',
- ' procedure DoIt(const r: TRec);',
- ' end;',
- 'procedure TRec.TSub.DoSub;',
- 'begin',
- ' x:=3;',
- 'end;',
- 'procedure TRec.DoIt(const r: TRec);',
- 'begin',
- ' Sub.x:=4;',
- ' r.Sub.y:=Sub.x;', // class var y is writable, even though r.Sub is not
- 'end;',
- 'var r: TRec;',
- 'begin',
- ' r.sub.x:=4;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_NestedArgConstFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' type',
- ' TSub = record',
- ' x: word;',
- ' end;',
- ' var',
- ' Sub: TSub;',
- ' procedure DoIt(const r: TRec);',
- ' end;',
- 'procedure TRec.DoIt(const r: TRec);',
- 'begin',
- ' r.Sub.x:=4;',
- 'end;',
- 'begin',
- '']);
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestAdvRecord_Property;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' private',
- ' FSize: word;',
- ' function SizeStored: boolean;',
- ' function GetWidth: word;',
- ' procedure SetWidth(Value: word);',
- ' public',
- ' property Size: word read FSize write FSize stored SizeStored default 3;',
- ' property Width: word read GetWidth write SetWidth;',
- ' end;',
- 'function TRec.SizeStored: boolean;',
- 'begin',
- 'end;',
- 'function TRec.GetWidth: word;',
- 'begin',
- ' Result:=FSize;',
- 'end;',
- 'procedure TRec.SetWidth(Value: word);',
- 'begin',
- ' FSize:=Value;',
- 'end;',
- 'var r: TRec;',
- 'begin',
- ' r.Size:=r.Size;',
- ' r.Width:=r.Width;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_ClassProperty;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' private',
- ' class var FSize: word;',
- ' class function GetWidth: word; static;',
- ' class procedure SetWidth(Value: word); static;',
- ' public',
- ' class property Size: word read FSize write FSize;',
- ' class property Width: word read GetWidth write SetWidth;',
- ' end;',
- 'class function TRec.GetWidth: word;',
- 'begin',
- ' Result:=FSize;',
- 'end;',
- 'class procedure TRec.SetWidth(Value: word);',
- 'begin',
- ' FSize:=Value;',
- 'end;',
- 'begin',
- ' TRec.Size:=TRec.Size;',
- ' TRec.Width:=TRec.Width;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_PropertyDefault;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' private',
- ' function GetItems(Index: word): word;',
- ' procedure SetItems(Index: word; Value: word);',
- ' public',
- ' property Items[Index: word]: word read GetItems write SetItems; default;',
- ' end;',
- ' TGlob = record',
- ' private',
- ' class function GetSizes(Index: word): word; static;',
- ' class procedure SetSizes(Index: word; Value: word); static;',
- ' public',
- ' class property Sizes[Index: word]: word read GetSizes write SetSizes; default;',
- ' end;',
- 'function TRec.GetItems(Index: word): word;',
- 'begin',
- 'end;',
- 'procedure TRec.SetItems(Index: word; Value: word);',
- 'begin',
- 'end;',
- 'class function TGlob.GetSizes(Index: word): word;',
- 'begin',
- 'end;',
- 'class procedure TGlob.SetSizes(Index: word; Value: word);',
- 'begin',
- 'end;',
- 'var',
- ' r: TRec;',
- ' g: TGlob;',
- 'begin',
- ' r[1]:=r[2];',
- ' TGlob[1]:=TGlob[2];',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_RecordAsFuncResult;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' {#A}TRec = record',
- ' {#A_i}i: longint;',
- ' class function {#A_CreateA}Create: TRec; static;',
- ' class function {#A_CreateB}Create(i: longint): TRec; static;',
- ' end;',
- 'function {#F}F: TRec;',
- 'begin',
- ' Result:=default(TRec);',
- 'end;',
- 'class function TRec.Create: TRec;',
- 'begin',
- ' Result:=default(TRec);',
- 'end;',
- 'class function TRec.Create(i: longint): TRec;',
- 'begin',
- ' Result:=default(TRec);',
- ' Result.i:=i;',
- 'end;',
- 'var',
- ' {#v}{=A}v: TRec;',
- 'begin',
- ' {@v}v:={@F}F;',
- ' {@v}v:={@F}F();',
- ' if {@v}v={@F}F then ;',
- ' if {@v}v={@F}F() then ;',
- ' {@v}v:={@A}TRec.{@A_CreateA}Create;',
- ' {@v}v:={@A}TRec.{@A_CreateA}Create();',
- ' {@v}v:={@A}TRec.{@A_CreateB}Create(3);',
- ' {@A}TRec.{@A_CreateA}Create . {@A_i}i:=4;',
- ' {@A}TRec.{@A_CreateA}Create().{@A_i}i:=5;',
- ' {@A}TRec.{@A_CreateB}Create(3).{@A_i}i:=6;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_InheritedFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' procedure DoIt;',
- ' end;',
- 'procedure TRec.DoIt;',
- 'begin',
- ' inherited;',
- 'end;',
- 'begin',
- '']);
- CheckResolverException('The use of "inherited" is not allowed in a record',
- nTheUseOfXisNotAllowedInARecord);
- end;
- procedure TTestResolver.TestAdvRecord_ForInEnumerator;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'type',
- ' TObject = class end;',
- ' TItem = TObject;',
- ' TEnumerator = class',
- ' FCurrent: TItem;',
- ' property Current: TItem read FCurrent;',
- ' function MoveNext: boolean;',
- ' end;',
- ' TBird = record',
- ' function GetEnumerator: TEnumerator;',
- ' end;',
- 'function TEnumerator.MoveNext: boolean;',
- 'begin',
- 'end;',
- 'function TBird.GetEnumerator: TEnumerator;',
- 'begin',
- 'end;',
- 'var',
- ' b: TBird;',
- ' i: TItem;',
- ' {#i2}i2: TItem;',
- 'begin',
- ' for i in b do {@i2}i2:=i;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestAdvRecord_InFunctionFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- 'procedure DoIt;',
- 'type',
- ' TBird = record',
- ' class var i: word;',
- ' end;',
- 'var',
- ' b: TBird;',
- 'begin',
- 'end;',
- 'begin']);
- CheckParserException(sErrRecordVariablesNotAllowed,nErrRecordVariablesNotAllowed);
- end;
- procedure TTestResolver.TestAdvRecord_SubClass;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch AdvancedRecords}',
- 'type',
- ' TObject = class end;',
- ' TPoint = record',
- ' type',
- ' TBird = class',
- ' procedure DoIt;',
- ' class procedure Glob;',
- ' end;',
- ' procedure DoIt(b: TBird);',
- ' end;',
- 'procedure TPoint.TBird.DoIt;',
- 'begin',
- 'end;',
- 'class procedure TPoint.TBird.Glob;',
- 'begin',
- 'end;',
- 'procedure TPoint.DoIt(b: TBird);',
- 'begin',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' {#B}b: longint;');
- Add(' end;');
- Add('var');
- Add(' {#C}{=TOBJ}c: TObject;');
- Add('begin');
- Add(' {@C}c.{@b}b:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassDefaultInheritance;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' {#OBJ_b}b: longint;');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' {#A_c}c: longint;');
- Add(' end;');
- Add('var');
- Add(' {#V}{=A}v: TClassA;');
- Add('begin');
- Add(' {@V}v.{@A_c}c:=2;');
- Add(' {@V}v.{@OBJ_b}b:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassTripleInheritance;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' {#OBJ_a}a: longint;');
- Add(' {#OBJ_b}b: longint;');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' {#A_c}c: longint;');
- Add(' end;');
- Add(' {#B}TClassB = class(TClassA)');
- Add(' {#B_d}d: longint;');
- Add(' end;');
- Add('var');
- Add(' {#V}{=B}v: TClassB;');
- Add('begin');
- Add(' {@V}v.{@B_d}d:=1;');
- Add(' {@V}v.{@A_c}c:=2;');
- Add(' {@V}v.{@OBJ_B}b:=3;');
- Add(' {@V}v.{@Obj_a}a:=4;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInheritanceCycleFail;
- begin
- StartProgram(false);
- Add([
- 'type A = class(A)',
- 'begin']);
- CheckResolverException(sAncestorCycleDetected,nAncestorCycleDetected);
- end;
- procedure TTestResolver.TestClassDefaultVisibility;
- var
- Elements: TFPList;
- El: TPasElement;
- aMarker: PSrcMarker;
- i: Integer;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' {#B}b: longint;',
- ' end;',
- ' {$M+}',
- ' TPersistent = class',
- ' {#C}c: longint;',
- ' end;',
- ' {$M-}',
- ' TPic = class',
- ' {#D}d: longint;',
- ' end;',
- ' TComponent = class(TPersistent)',
- ' {#E}e: longint;',
- ' end;',
- ' TControl = class(TComponent)',
- ' {#F}f: longint;',
- ' end;',
- 'begin']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestClassDefaultVisibility',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestClassDefaultVisibility ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El is TPasVariable) then continue;
- case aMarker^.Identifier of
- 'B','D':
- if El.Visibility<>visPublic then
- RaiseErrorAtSrcMarker('expected visPublic at #'+aMarker^.Identifier+', but got '+VisibilityNames[El.Visibility],aMarker);
- else
- if El.Visibility<>visPublished then
- RaiseErrorAtSrcMarker('expected visPublished at #'+aMarker^.Identifier+', but got '+VisibilityNames[El.Visibility],aMarker);
- end;
- break;
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestClassForward;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' {#B_forward}TClassB = class;');
- Add(' {#A}TClassA = class');
- Add(' {#A_b}{=B_forward}b: TClassB;');
- Add(' end;');
- Add(' {#B}TClassB = class(TClassA)');
- Add(' {#B_a}a: longint;');
- Add(' {#B_d}d: longint;');
- Add(' end;');
- Add('var');
- Add(' {#V}{=B}v: TClassB;');
- Add('begin');
- Add(' {@V}v.{@B_d}d:=1;');
- Add(' {@V}v.{@B_a}a:=2;');
- Add(' {@V}v.{@A_b}b:=nil;');
- Add(' {@V}v.{@A_b}b.{@B_a}a:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassForwardAsAncestorFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class;');
- Add(' TBird = class end;');
- Add(' TObject = class');
- Add(' end;');
- Add('var');
- Add(' v: TBird;');
- Add('begin');
- CheckResolverException('Can''t use forward declaration "TObject" as ancestor',
- nCantUseForwardDeclarationAsAncestor);
- end;
- procedure TTestResolver.TestClassForwardNotResolved;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' TClassB = class;');
- Add('var');
- Add(' v: TClassB;');
- Add('begin');
- CheckResolverException(sForwardTypeNotResolved,
- nForwardTypeNotResolved);
- end;
- procedure TTestResolver.TestClassForwardDuplicateFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class;',
- ' TObject = class;',
- ' TObject = class',
- ' end;',
- 'begin']);
- CheckResolverException('Duplicate identifier "TObject" at afile.pp(3,10)',nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestClassForwardDelphiFail;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TObject = class end;',
- ' TBird = class;',
- 'const k = 1;',
- 'type',
- ' TBird = class',
- ' end;',
- 'begin']);
- CheckResolverException('Forward type not resolved "TBird"',nForwardTypeNotResolved);
- end;
- procedure TTestResolver.TestClassForwardObjFPCProgram;
- begin
- StartProgram(false);
- Add([
- '{$mode objfpc}',
- 'type',
- ' TObject = class end;',
- ' TBird = class;',
- 'const k = 1;',
- 'type',
- ' TBird = class',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassForwardObjFPCUnit;
- begin
- StartUnit(false);
- Add([
- '{$mode objfpc}',
- 'interface',
- 'type',
- ' TObject = class end;',
- ' TBird = class;',
- 'const k = 1;',
- 'type',
- ' TBird = class',
- ' end;',
- 'implementation',
- 'type',
- ' TEagle = class;',
- 'const c = 1;',
- 'type',
- ' TEagle = class',
- ' end;',
- '']);
- ParseUnit;
- end;
- procedure TTestResolver.TestClass_Method;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' procedure {#A_ProcA_Decl}ProcA;');
- Add(' end;');
- Add('procedure TClassA.ProcA;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#V}{=A}v: TClassA;');
- Add('begin');
- Add(' {@V}v.{@A_ProcA_Decl}ProcA;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_ConstructorMissingDotFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create;',
- ' end;',
- 'constructor Create; begin end;',
- 'begin',
- '']);
- CheckResolverException('full method name expected, but short name found',
- nXExpectedButYFound);
- end;
- procedure TTestResolver.TestClass_MethodImplDuplicateFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure DoIt;',
- ' end;',
- 'procedure TObject.DoIt; begin end;',
- 'procedure TObject.DoIt; begin end;',
- 'begin',
- '']);
- CheckResolverException('Duplicate identifier "TObject.DoIt" at afile.pp(6,23) at afile.pp (7,23)',
- nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestClass_MethodWithoutClassFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add('procedure TClassA.ProcA;');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException('identifier not found "TClassA"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestClass_MethodInOtherUnitFail;
- begin
- AddModuleWithIntfImplSrc('unit1.pas',
- LinesToStr([
- 'type',
- ' TObject = class',
- ' public',
- ' end;',
- '']),
- '');
- StartProgram(true);
- Add([
- 'uses unit1;',
- 'procedure TObject.DoIt;',
- 'begin',
- 'end;',
- 'begin']);
- CheckResolverException('method class "TObject" in other unit "unit1"',nMethodClassXInOtherUnitY);
- end;
- procedure TTestResolver.TestClass_MethodWithParams;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#A}TObject = class');
- Add(' procedure {#ProcA_Decl}ProcA({#Bar}Bar: longint);');
- Add(' end;');
- Add('procedure tobject.proca(bar: longint);');
- Add('begin');
- Add(' if {@Bar}bar=3 then ;');
- Add('end;');
- Add('var');
- Add(' {#V}{=A}Obj: TObject;');
- Add('begin');
- Add(' {@V}Obj.{@ProcA_Decl}ProcA(4);');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_MethodUnresolvedPrg;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' TClassA = class');
- Add(' procedure ProcA;');
- Add(' end;');
- Add('begin');
- CheckResolverException(sForwardProcNotResolved,nForwardProcNotResolved);
- end;
- procedure TTestResolver.TestClass_MethodUnresolvedUnit;
- begin
- StartUnit(false);
- Add('interface');
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' TClassA = class');
- Add(' procedure ProcA;');
- Add(' end;');
- Add('implementation');
- CheckResolverException(sForwardProcNotResolved,nForwardProcNotResolved);
- end;
- procedure TTestResolver.TestClass_MethodAbstract;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA; virtual; abstract;');
- Add(' end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_MethodAbstractWithoutVirtualFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA; abstract;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Invalid procedure modifier abstract without virtual',nInvalidXModifierY);
- end;
- procedure TTestResolver.TestClass_MethodAbstractHasBodyFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA; virtual; abstract;');
- Add(' end;');
- Add('procedure TObject.ProcA;');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException(sAbstractMethodsMustNotHaveImplementation,
- nAbstractMethodsMustNotHaveImplementation);
- end;
- procedure TTestResolver.TestClass_MethodUnresolvedWithAncestor;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA; virtual; abstract;');
- Add(' end;');
- Add(' TClassA = class');
- Add(' procedure ProcA;');
- Add(' end;');
- Add('begin');
- CheckResolverException(sForwardProcNotResolved,nForwardProcNotResolved);
- end;
- procedure TTestResolver.TestClass_ProcFuncMismatch;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure DoIt;');
- Add(' end;');
- Add('function TObject.DoIt: longint;');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException('procedure expected, but function found',
- nXExpectedButYFound);
- end;
- procedure TTestResolver.TestClass_MethodOverload;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure DoIt;');
- Add(' procedure DoIt(i: longint);');
- Add(' procedure DoIt(s: string);');
- Add(' end;');
- Add('procedure TObject.DoIt;');
- Add('begin');
- Add('end;');
- Add('procedure TObject.DoIt(i: longint);');
- Add('begin');
- Add('end;');
- Add('procedure TObject.DoIt(s: string);');
- Add('begin');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_MethodInvalidOverload;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure DoIt(i: longint);');
- Add(' procedure DoIt(k: longint);');
- Add(' end;');
- Add('procedure TObject.DoIt(i: longint);');
- Add('begin');
- Add('end;');
- Add('procedure TObject.DoIt(k: longint);');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckResolverException(sDuplicateIdentifier,nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestClass_MethodOverride;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure {#TOBJ_ProcA}ProcA; virtual; abstract;');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' procedure {#A_ProcA}ProcA; override;');
- Add(' end;');
- Add('procedure TClassA.ProcA;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#V}{=A}v: TClassA;');
- Add('begin');
- Add(' {@V}v.{@A_ProcA}ProcA;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_MethodOverride2;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure {#TOBJ_ProcA}ProcA; virtual; abstract;');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' procedure {#A_ProcA}ProcA; override;');
- Add(' end;');
- Add(' {#B}TClassB = class');
- Add(' procedure {#B_ProcA}ProcA; override;');
- Add(' end;');
- Add('procedure TClassA.ProcA;');
- Add('begin');
- Add('end;');
- Add('procedure TClassB.ProcA;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#V}{=B}v: TClassB;');
- Add('begin');
- Add(' {@V}v.{@B_ProcA}ProcA;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_MethodOverrideFixCase;
- procedure CheckOverrideName(aLabel: string);
- var
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Scope: TPasProcedureScope;
- begin
- Elements:=FindElementsAtSrcLabel(aLabel);
- try
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- if not (El is TPasProcedure) then continue;
- Scope:=El.CustomData as TPasProcedureScope;
- if Scope.OverriddenProc=nil then
- Fail('Scope.OverriddenProc=nil');
- AssertEquals('Proc Name and Proc.Scope.OverriddenProc.Name',El.Name,Scope.OverriddenProc.Name);
- end;
- finally
- Elements.Free;
- end;
- end;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proFixCaseOfOverrides];
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure {#TOBJ_ProcA}ProcA; virtual; abstract;');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' procedure {#A_ProcA}proca; override;');
- Add(' end;');
- Add(' {#B}TClassB = class');
- Add(' procedure {#B_ProcA}prOca; override;');
- Add(' end;');
- Add('procedure tclassa.proca;');
- Add('begin');
- Add('end;');
- Add('procedure tclassb.proca;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#V}{=B}v: TClassB;');
- Add('begin');
- Add(' {@V}v.{@B_ProcA}ProcA;');
- ParseProgram;
- CheckOverrideName('A_ProcA');
- CheckOverrideName('B_ProcA');
- end;
- procedure TTestResolver.TestClass_MethodOverrideSameResultType;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'type',
- ' TObject = class',
- ' public',
- ' function ProcA(const s: string): string; virtual; abstract;',
- ' end;',
- '']),
- LinesToStr([
- ''])
- );
- StartProgram(true);
- Add('uses unit2;');
- Add('type');
- Add(' TCar = class');
- Add(' public');
- Add(' function ProcA(const s: string): string; override;');
- Add(' end;');
- Add('function TCar.ProcA(const s: string): string; begin end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_MethodOverrideDiffResultTypeFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' public');
- Add(' function ProcA(const s: string): string; virtual; abstract;');
- Add(' end;');
- Add(' TCar = class');
- Add(' public');
- Add(' function ProcA(const s: string): longint; override;');
- Add(' end;');
- Add('function TCar.ProcA(const s: string): longint; begin end;');
- Add('begin');
- CheckResolverException('Result type mismatch, expected String, but found Longint',
- nResultTypeMismatchExpectedButFound);
- end;
- procedure TTestResolver.TestClass_MethodOverrideDiffVarName;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure DoIt(aName: string); virtual; abstract;',
- ' end;',
- ' TCar = class',
- ' procedure DoIt(aCaption: string); override;',
- ' end;',
- 'procedure TCar.DoIt(aCaption: string); begin end;',
- 'begin'
- ]);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_MethodOverloadMissingInDelphi;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TObject = class',
- ' procedure DoIt(i: longint); virtual; abstract;',
- ' procedure DoIt(s: string); virtual; abstract;',
- ' end;',
- 'begin'
- ]);
- CheckResolverException(sPreviousDeclMissesOverload,nPreviousDeclMissesOverload);
- end;
- procedure TTestResolver.TestClass_MethodOverloadAncestor;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure {#A1}DoIt;');
- Add(' procedure {#B1}DoIt(i: longint);');
- Add(' end;');
- Add(' TCar = class');
- Add(' procedure {#A2}DoIt;');
- Add(' procedure {#B2}DoIt(i: longint);');
- Add(' end;');
- Add('procedure TObject.DoIt; begin end;');
- Add('procedure TObject.DoIt(i: longint); begin end;');
- Add('procedure TCar.DoIt;');
- Add('begin');
- Add(' {@A2}DoIt;');
- Add(' {@B2}DoIt(1);');
- Add(' inherited {@A1}DoIt;');
- Add(' inherited {@B1}DoIt(2);');
- Add('end;');
- Add('procedure TCar.DoIt(i: longint); begin end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_MethodOverloadUnit;
- begin
- StartProgram(true);
- Add([
- 'type',
- ' TObject = class',
- ' procedure Copy(s: string);',
- ' end;',
- 'procedure TObject.Copy(s: string);',
- 'var a: array of longint;',
- 'begin',
- ' a:=system.Copy(a,1,3);',
- 'end;',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_HintMethodHidesNonVirtualMethod;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure DoIt(p: pointer);',
- ' end;',
- ' TBird = class',
- ' procedure DoIt(i: longint);',
- ' end;',
- 'procedure TObject.DoIt(p: pointer);',
- 'begin',
- ' if p=nil then ;',
- 'end;',
- 'procedure TBird.DoIt(i: longint); begin end;',
- 'var b: TBird;',
- 'begin',
- ' b.DoIt(3);']);
- ParseProgram;
- CheckResolverHint(mtHint,nFunctionHidesIdentifier_NonVirtualMethod,
- 'function hides identifier at "afile.pp(4,19)". Use overload or reintroduce');
- end;
- procedure TTestResolver.
- TestClass_HintMethodHidesNonVirtualMethodWithoutBody_NoHint;
- begin
- AddModuleWithIntfImplSrc('unit2.pas',
- LinesToStr([
- 'type',
- ' TObject = class',
- ' public',
- ' procedure DoIt(p: pointer);',
- ' end;',
- '']),
- LinesToStr([
- 'procedure TObject.DoIt(p: pointer);',
- 'begin',
- 'end;',
- '']) );
- StartProgram(true);
- Add([
- 'uses unit2;',
- 'type',
- ' TBird = class',
- ' procedure DoIt(i: longint);',
- ' end;',
- 'procedure TBird.DoIt(i: longint); begin end;',
- 'var b: TBird;',
- 'begin',
- ' b.DoIt(3);']);
- ParseProgram;
- CheckResolverUnexpectedHints(true);
- end;
- procedure TTestResolver.TestClass_NoHintMethodHidesPrivateMethod;
- begin
- AddModuleWithIntfImplSrc('unit2.pas',
- LinesToStr([
- 'type',
- ' TObject = class',
- ' private',
- ' procedure DoIt(p: pointer);',
- ' end;',
- '']),
- LinesToStr([
- 'procedure TObject.DoIt(p: pointer);',
- 'begin',
- ' if p=nil then ;',
- 'end;',
- '']) );
- StartProgram(true);
- Add([
- 'uses unit2;',
- 'type',
- ' TAnimal = class',
- ' strict private',
- ' procedure Fly(p: pointer);',
- ' end;',
- ' TBird = class(TAnimal)',
- ' procedure DoIt(i: longint);',
- ' procedure Fly(b: boolean);',
- ' end;',
- 'procedure TAnimal.Fly(p: pointer);',
- 'begin',
- ' if p=nil then ;',
- 'end;',
- 'procedure TBird.DoIt(i: longint); begin end;',
- 'procedure TBird.Fly(b: boolean); begin end;',
- 'var b: TBird;',
- 'begin',
- ' b.DoIt(3);']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_MethodReintroduce;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure DoIt(p: pointer); virtual; abstract;',
- ' end;',
- ' TBird = class',
- ' procedure DoIt(i: longint); virtual; abstract; reintroduce;',
- ' procedure DoIt(s: string); virtual; abstract;',
- ' end;',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_MethodOverloadArrayOfTClass;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TClass = class of TObject;',
- ' TObject = class',
- ' constructor {#A}Builder(AClass: TClass; AName: string); reintroduce; overload; virtual;',
- ' constructor {#B}Builder(AClass: TClass); reintroduce; overload; virtual;',
- ' constructor {#C}Builder(AClassArray: Array of TClass); reintroduce; overload; virtual;',
- ' constructor {#D}Builder(AName: string); reintroduce; overload; virtual;',
- ' constructor {#E}Builder; reintroduce; overload; virtual;',
- ' class var ClassName: string;',
- ' end;',
- ' TTestCase = class end;',
- 'constructor TObject.Builder(AClass: TClass; AName: string);',
- 'begin',
- ' Builder(AClass);',
- 'end;',
- 'constructor TObject.Builder(AClass: TClass);',
- 'begin',
- ' Builder(AClass.ClassName);',
- 'end;',
- 'constructor TObject.Builder(AClassArray: Array of TClass);',
- 'var',
- ' i: longint;',
- 'begin',
- ' Builder;',
- ' for i := Low(AClassArray) to High(AClassArray) do',
- ' if Assigned(AClassArray[i]) then ;',
- 'end;',
- 'constructor TObject.Builder(AName: string);',
- 'begin',
- ' Builder();',
- 'end;',
- 'constructor TObject.Builder;',
- 'begin',
- 'end;',
- 'var',
- ' o: TObject;',
- 'begin',
- ' o.{@A}Builder(TTestCase,''first'');',
- ' o.{@B}Builder(TTestCase);',
- ' o.{@C}Builder([]);',
- ' o.{@C}Builder([TTestCase]);',
- ' o.{@C}Builder([TObject,TTestCase]);',
- ' o.{@D}Builder(''fourth'');',
- ' o.{@E}Builder();',
- ' o.{@E}Builder;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_ConstructorHidesAncestorWarning;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create(o: tobject); virtual; abstract;',
- ' end;',
- ' TBird = class',
- ' constructor Create(s: string); virtual; abstract;',
- ' end;',
- 'begin',
- '']);
- ParseProgram;
- CheckResolverHint(mtWarning,nMethodHidesMethodOfBaseType,
- 'Method "Create" hides method of base type "TObject" at afile.pp(4,23)');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_ConstructorOverride;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create(o: tobject); virtual;',
- ' end;',
- ' TBird = class',
- ' constructor Create(o: tobject); override;',
- ' end;',
- ' TEagle = class(TBird)',
- ' constructor Create(o: tobject); override;',
- ' end;',
- 'constructor tobject.Create(o: tobject); begin end;',
- 'constructor tbird.Create(o: tobject); begin end;',
- 'constructor teagle.Create(o: tobject); begin end;',
- 'var o: TEagle;',
- 'begin',
- ' o:=TEagle.Create(nil);',
- ' o:=TEagle.Create(o);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_ConstructorAccessHiddenAncestorFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create(o: tobject);',
- ' end;',
- ' TBird = class',
- ' constructor Create(i: longint); reintroduce;',
- ' end;',
- 'constructor tobject.Create(o: tobject); begin end;',
- 'constructor tbird.Create(i: longint); begin end;',
- 'var o: TBird;',
- 'begin',
- ' o:=TBird.Create(nil);',
- '']);
- CheckResolverException('Incompatible type arg no. 1: Got "Nil", expected "Longint"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestClass_ConstructorNoteAbstractMethods;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure DoIt; virtual; abstract;',
- ' constructor Create; virtual;',
- ' end;',
- 'constructor TObject.Create;',
- 'begin',
- 'end;',
- 'begin',
- ' TObject.Create;']);
- ParseProgram;
- CheckResolverHint(mtWarning,nConstructingClassXWithAbstractMethodY,'Constructing a class "TObject" with abstract method "DoIt"');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_ConstructorNoNoteAbstractMethods;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure DoIt; virtual; abstract;',
- ' constructor Create;',
- ' end;',
- ' TClass = class of TObject;',
- 'constructor TObject.Create;',
- 'begin',
- 'end;',
- 'var c: TClass;',
- 'begin',
- ' c.Create;',
- ' with c do Create;',
- '']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_MethodScope;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' {#A_A}A: longint;');
- Add(' procedure {#A_ProcB}ProcB;');
- Add(' end;');
- Add('procedure TClassA.ProcB;');
- Add('begin');
- Add(' {@A_A}A:=3;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_IdentifierSelf;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' {#C}C: longint;');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' {#B}B: longint;');
- Add(' procedure {#A_ProcB}ProcB;');
- Add(' end;');
- Add('procedure TClassA.ProcB;');
- Add('begin');
- Add(' {@B}B:=1;');
- Add(' {@C}C:=2;');
- Add(' Self.{@B}B:=3;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassCallInherited;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure {#TOBJ_ProcA}ProcA(vI: longint); virtual;',
- ' procedure {#TOBJ_ProcB}ProcB(vJ: longint); virtual;',
- ' end;',
- ' {#A}TClassA = class',
- ' procedure {#A_ProcA}ProcA({#i1}vI: longint); override;',
- ' procedure {#A_ProcB}ProcB(vJ: longint); override;',
- ' procedure {#A_ProcC}ProcC; virtual;',
- ' end;',
- 'procedure TObject.ProcA(vi: longint);',
- 'begin',
- ' inherited; // ignore, do not raise error',
- 'end;',
- 'procedure TObject.ProcB(vj: longint);',
- 'begin',
- 'end;',
- 'procedure TClassA.ProcA(vi: longint);',
- 'begin',
- ' {@A_ProcA}ProcA({@i1}vI);',
- ' {@TOBJ_ProcA}inherited;',
- ' inherited {@TOBJ_ProcA}ProcA({@i1}vI);',
- ' {@A_ProcB}ProcB({@i1}vI);',
- ' inherited {@TOBJ_ProcB}ProcB({@i1}vI);',
- 'end;',
- 'procedure TClassA.ProcB(vJ: longint);',
- 'begin',
- 'end;',
- 'procedure TClassA.ProcC;',
- 'begin',
- ' inherited; // ignore, do not raise error',
- 'end;',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClassCallInheritedNoParamsAbstractFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA; virtual; abstract;');
- Add(' end;');
- Add(' TClassA = class');
- Add(' procedure ProcA; override;');
- Add(' end;');
- Add('procedure TClassA.ProcA;');
- Add('begin');
- Add(' inherited;');
- Add('end;');
- Add('begin');
- CheckResolverException('Abstract methods cannot be called directly',
- nAbstractMethodsCannotBeCalledDirectly);
- end;
- procedure TTestResolver.TestClassCallInheritedWithParamsAbstractFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA(c: char); virtual; abstract;');
- Add(' end;');
- Add(' TClassA = class');
- Add(' procedure ProcA(c: char); override;');
- Add(' end;');
- Add('procedure TClassA.ProcA(c: char);');
- Add('begin');
- Add(' inherited ProcA(c);');
- Add('end;');
- Add('begin');
- CheckResolverException('Abstract methods cannot be called directly',
- nAbstractMethodsCannotBeCalledDirectly);
- end;
- procedure TTestResolver.TestClassCallInheritedConstructor;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' constructor {#TOBJ_CreateA}Create(vI: longint); virtual;');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' constructor {#A_CreateA}Create({#i1}vI: longint); override;');
- Add(' end;');
- Add('constructor TObject.Create(vI: longint);');
- Add('begin');
- Add(' inherited; // ignore and do not raise error');
- Add('end;');
- Add('constructor TClassA.Create(vI: longint);');
- Add('begin');
- Add(' {@A_CreateA}Create({@i1}vI);');
- Add(' {@TOBJ_CreateA}inherited;');
- Add(' inherited {@TOBJ_CreateA}Create({@i1}vI);');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassCallInheritedNested;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' function DoIt: longint; virtual;',
- ' end;',
- ' TBird = class',
- ' function DoIt: longint; override;',
- ' end;',
- 'function tobject.doit: longint;',
- 'begin',
- 'end;',
- 'function tbird.doit: longint;',
- ' procedure Sub;',
- ' begin',
- ' inherited;',
- ' inherited DoIt;',
- ' if inherited DoIt=4 then ;',
- ' end;',
- 'begin',
- ' Sub;',
- ' inherited;',
- ' inherited DoIt;',
- ' if inherited DoIt=14 then ;',
- ' with Self do inherited;',
- ' with Self do inherited DoIt;',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassCallInheritedAs;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' function GetSome: TObject; virtual;',
- ' end;',
- ' TBird = class',
- ' function GetIt: TBird;',
- ' end;',
- 'function TObject.GetSome: TObject;',
- 'begin',
- 'end;',
- 'function TBird.GetIt: TBird;',
- 'begin',
- ' Result:=inherited GetSome as TBird;',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassAssignNil;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' {#FSub}FSub: TClassA;');
- Add(' property {#Sub}Sub: TClassA read {@FSub}FSub write {@FSub}FSub;');
- Add(' end;');
- Add('var');
- Add(' {#v}{=A}v: TClassA;');
- Add('begin');
- Add(' {@v}v:=nil;');
- Add(' if {@v}v=nil then ;');
- Add(' if nil={@v}v then ;');
- Add(' if {@v}v<>nil then ;');
- Add(' if nil<>{@v}v then ;');
- Add(' {@v}v.{@FSub}FSub:=nil;');
- Add(' if {@v}v.{@FSub}FSub=nil then ;');
- Add(' if {@v}v.{@FSub}FSub<>nil then ;');
- Add(' {@v}v.{@Sub}Sub:=nil;');
- Add(' if {@v}v.{@Sub}Sub=nil then ;');
- Add(' if {@v}v.{@Sub}Sub<>nil then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassAssign;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' {#FSub}FSub: TClassA;');
- Add(' property {#Sub}Sub: TClassA read {@FSub}FSub write {@FSub}FSub;');
- Add(' end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#v}{=A}v: TClassA;');
- Add(' {#p}{=A}p: TClassA;');
- Add('begin');
- Add(' {@o}o:={@v}v;');
- Add(' {@v}v:={@p}p;');
- Add(' if {@v}v={@p}p then ;');
- Add(' if {@v}v={@o}o then ;');
- Add(' if {@o}o={@o}o then ;');
- Add(' if {@o}o={@v}v then ;');
- Add(' if {@v}v<>{@p}p then ;');
- Add(' if {@v}v<>{@o}o then ;');
- Add(' if {@o}o<>{@o}o then ;');
- Add(' if {@o}o<>{@v}v then ;');
- Add(' {@v}v.{@FSub}FSub:={@p}p;');
- Add(' {@p}p:={@v}v.{@FSub}FSub;');
- Add(' {@o}o:={@v}v.{@FSub}FSub;');
- Add(' {@v}v.{@Sub}Sub:={@p}p;');
- Add(' {@p}p:={@v}v.{@Sub}Sub;');
- Add(' {@o}o:={@v}v.{@Sub}Sub;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassNilAsParam;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add('procedure ProcP(o: TObject);');
- Add('begin end;');
- Add('begin');
- Add(' ProcP(nil);');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_Operators_Is_As;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' {#Sub}Sub: TClassA;');
- Add(' end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#v}{=A}v: TClassA;');
- Add('begin');
- Add(' if {@o}o is {@A}TClassA then;');
- Add(' if {@v}v is {@A}TClassA then;');
- Add(' if {@v}v is {@TOBJ}TObject then;');
- Add(' if {@v}v.{@Sub}Sub is {@A}TClassA then;');
- Add(' {@v}v:={@o}o as {@A}TClassA;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_OperatorIsOnNonTypeFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#v}{=A}v: TClassA;');
- Add('begin');
- Add(' if {@o}o is {@v}v then;');
- CheckResolverException('class type expected, but class found',
- nXExpectedButYFound);
- end;
- procedure TTestResolver.TestClass_OperatorAsOnNonDescendantFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#v}{=A}v: TClassA;');
- Add('begin');
- Add(' {@o}o:={@v}v as {@TObj}TObject;');
- CheckResolverException('Types are not related: "TClassA" and "class TObject" at afile.pp (11,16)',nTypesAreNotRelatedXY);
- end;
- procedure TTestResolver.TestClass_OperatorAsOnNonTypeFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#v}{=A}v: TClassA;');
- Add('begin');
- Add(' {@o}o:={@v}v as {@o}o;');
- CheckResolverException('class expected, but o found',
- nXExpectedButYFound);
- end;
- procedure TTestResolver.TestClassAsFuncResult;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {#TOBJ}TObject = class',
- ' end;',
- ' {#A}TClassA = class',
- ' {#A_i}i: longint;',
- ' constructor {#A_CreateA}Create;',
- ' constructor {#A_CreateB}Create(i: longint);',
- ' end;',
- 'function {#F}F: TClassA;',
- 'begin',
- ' Result:=nil;',
- 'end;',
- 'constructor TClassA.Create;',
- 'begin',
- 'end;',
- 'constructor TClassA.Create(i: longint);',
- 'begin',
- 'end;',
- 'var',
- ' {#o}{=TOBJ}o: TObject;',
- ' {#v}{=A}v: TClassA;',
- 'begin',
- ' {@o}o:={@F}F;',
- ' {@o}o:={@F}F();',
- ' {@v}v:={@F}F;',
- ' {@v}v:={@F}F();',
- ' if {@o}o={@F}F then ;',
- ' if {@o}o={@F}F() then ;',
- ' if {@v}v={@F}F then ;',
- ' if {@v}v={@F}F() then ;',
- ' {@v}v:={@A}TClassA.{@A_CreateA}Create;',
- ' {@v}v:={@A}TClassA.{@A_CreateA}Create();',
- ' {@v}v:={@A}TClassA.{@A_CreateB}Create(3);',
- ' {@A}TClassA.{@A_CreateA}Create.{@A_i}i:=3;',
- ' {@A}TClassA.{@A_CreateA}Create().{@A_i}i:=3;',
- ' {@A}TClassA.{@A_CreateB}Create(3).{@A_i}i:=3;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassTypeCast;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' id: longint;');
- Add(' end;');
- Add('procedure ProcA(var a: TClassA);');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#v}{=A}v: TClassA;');
- Add('begin');
- Add(' {@o}o:={@v}v;');
- Add(' {@o}o:=TObject({@o}o);');
- Add(' {@v}v:=TClassA({@o}o);');
- Add(' {@v}v:=TClassA(TObject({@o}o));');
- Add(' {@v}v:=TClassA({@v}v);');
- Add(' {@v}v:=v as TClassA;');
- Add(' {@v}v:=o as TClassA;');
- Add(' ProcA({@v}v);');
- Add(' ProcA(TClassA({@o}o));');
- Add(' if TClassA({@o}o).id=3 then ;');
- Add(' if (o as TClassA).id=3 then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassTypeCastUnrelatedFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' id: longint;');
- Add(' end;');
- Add(' {#B}TClassB = class');
- Add(' Name: string;');
- Add(' end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#va}{=A}va: TClassA;');
- Add(' {#vb}{=B}vb: TClassB;');
- Add('begin');
- Add(' {@vb}vb:=TClassB({@va}va);');
- CheckResolverException('Illegal type conversion: "TClassA" to "class TClassB"',
- nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestClass_TypeCastSelf;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' constructor Create;');
- Add(' procedure ProcA;');
- Add(' end;');
- Add(' TClassA = class');
- Add(' id: longint;');
- Add(' end;');
- Add('constructor TObject.Create;');
- Add('begin');
- Add(' TClassA(Self).id:=3;');
- Add(' if TClassA(Self).id=4 then;');
- Add(' if 5=TClassA(Self).id then;');
- Add('end;');
- Add('procedure TObject.ProcA;');
- Add('begin');
- Add(' TClassA(Self).id:=3;');
- Add(' if TClassA(Self).id=4 then;');
- Add(' if 5=TClassA(Self).id then;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_TypeCaseMultipleParamsFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' i: longint;');
- Add(' end;');
- Add('var o: TObject;');
- Add('begin');
- Add(' o.i:=TObject(o,o).i;');
- CheckResolverException('wrong number of parameters for type cast to TObject',
- nWrongNumberOfParametersForTypeCast);
- end;
- procedure TTestResolver.TestClass_TypeCastAssign;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' TCar = class');
- Add(' end;');
- Add('procedure DoIt(a: TCar; const b: TCar; var c: TCar; out d: TCar); begin end;');
- Add('var');
- Add(' o: TObject;');
- Add(' c: TCar;');
- Add('begin');
- Add(' TCar({#a_assign}o):=nil;');
- Add(' TCar({#b_assign}o):=c;');
- Add(' DoIt(TCar({#c1_read}o),TCar({#c2_read}o),TCar({#c3_var}o),TCar({#c4_out}o));');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestClass_AccessMemberViaClassFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' i: longint;');
- Add(' end;');
- Add('begin');
- Add(' if TObject.i=7 then ;');
- CheckResolverException(sCannotAccessThisMemberFromAX,
- nCannotAccessThisMemberFromAX);
- end;
- procedure TTestResolver.TestClass_FuncReturningObjectMember;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' i: longint;');
- Add(' end;');
- Add('function FuncO: TObject;');
- Add('begin');
- Add('end;');
- Add('begin');
- Add(' FuncO.i:=3;');
- Add(' if FuncO.i=4 then ;');
- Add(' if 5=FuncO.i then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_StaticWithoutClassFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA; static;');
- Add(' end;');
- Add('procedure TObject.ProcA; begin end;');
- Add('begin');
- CheckResolverException('Invalid procedure modifier static',
- nInvalidXModifierY);
- end;
- procedure TTestResolver.TestClass_SelfInStaticFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class procedure ProcA; static;');
- Add(' end;');
- Add('class procedure TObject.ProcA;');
- Add('begin');
- Add(' if Self=nil then ;');
- Add('end;');
- Add('begin');
- CheckResolverException('identifier not found "Self"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestClass_SelfDotInStaticFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class var FLeft: word;');
- Add(' class function DoIt: word; static;');
- Add(' class property Left: word read FLeft;');
- Add(' end;');
- Add('class function TObject.DoIt: word;');
- Add('begin');
- Add(' Result:=Self.Left;');
- Add('end;');
- Add('begin');
- CheckResolverException('identifier not found "Self"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestClass_PrivateProtectedInSameUnit;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' strict private {#vstrictprivate}vstrictprivate: longint;');
- Add(' strict protected {#vstrictprotected}vstrictprotected: longint;');
- Add(' private {#vprivate}vprivate: longint;');
- Add(' protected {#vprotected}vprotected: longint;');
- Add(' public {#vpublic}vpublic: longint;');
- Add(' procedure ProcA;');
- Add(' automated {#vautomated}vautomated: longint;');
- Add(' published {#vpublished}vpublished: longint;');
- Add(' end;');
- Add('procedure TObject.ProcA;');
- Add('begin');
- Add(' if {@vstrictprivate}vstrictprivate=1 then ;');
- Add(' if {@vstrictprotected}vstrictprotected=2 then ;');
- Add(' if {@vprivate}vprivate=3 then ;');
- Add(' if {@vprotected}vprotected=4 then ;');
- Add(' if {@vpublic}vpublic=5 then ;');
- Add(' if {@vautomated}vautomated=6 then ;');
- Add(' if {@vpublished}vpublished=7 then ;');
- Add('end;');
- Add('var');
- Add(' o: TObject;');
- Add('begin');
- Add(' if o.vprivate=10 then ;');
- Add(' if o.vprotected=11 then ;');
- Add(' if o.vpublic=12 then ;');
- Add(' if o.vautomated=13 then ;');
- Add(' if o.vpublished=14 then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_PrivateInMainBeginFail;
- begin
- AddModuleWithSrc('unit1.pas',
- LinesToStr([
- 'unit unit1;',
- 'interface',
- 'type',
- ' TObject = class',
- ' private v: longint;',
- ' end;',
- 'implementation',
- 'end.'
- ]));
- StartProgram(true);
- Add('uses unit1;');
- Add('var');
- Add(' o: TObject;');
- Add('begin');
- Add(' if o.v=3 then ;');
- CheckResolverException('Can''t access private member v',
- nCantAccessXMember);
- end;
- procedure TTestResolver.TestClass_PrivateInDescendantFail;
- begin
- AddModuleWithSrc('unit1.pas',
- LinesToStr([
- 'unit unit1;',
- 'interface',
- 'type',
- ' TObject = class',
- ' private v: longint;',
- ' end;',
- 'implementation',
- 'end.'
- ]));
- StartProgram(true);
- Add('uses unit1;');
- Add('type');
- Add(' TClassA = class(TObject)');
- Add(' procedure ProcA;');
- Add(' end;');
- Add('procedure TClassA.ProcA;');
- Add('begin');
- Add(' if v=3 then ;');
- Add('end;');
- Add('begin');
- CheckResolverException('Can''t access private member v',
- nCantAccessXMember);
- end;
- procedure TTestResolver.TestClass_ProtectedInDescendant;
- begin
- AddModuleWithSrc('unit1.pas',
- LinesToStr([
- 'unit unit1;',
- 'interface',
- 'type',
- ' TObject = class',
- ' protected vprotected: longint;',
- ' strict protected vstrictprotected: longint;',
- ' end;',
- 'implementation',
- 'end.'
- ]));
- StartProgram(true);
- Add([
- 'uses unit1;',
- 'type',
- ' TClassA = class(TObject)',
- ' procedure ProcA;',
- ' end;',
- ' TClassB = class(TObject)',
- ' procedure ProcB;',
- ' end;',
- 'procedure TClassA.ProcA;',
- 'begin',
- ' if vprotected=3 then ;',
- ' if vstrictprotected=4 then ;',
- ' if self.vprotected=5 then;',
- ' if self.vstrictprotected=6 then;',
- ' with self do if vprotected=7 then;',
- ' with self do if vstrictprotected=8 then;',
- 'end;',
- 'procedure TClassB.ProcB;',
- 'var A: TClassA;',
- 'begin',
- ' if A.vprotected=9 then;',
- ' with A do if vprotected=10 then;',
- 'end;',
- 'var A: TClassA;',
- 'begin',
- ' A.vprotected:=11;',
- ' with A do vprotected:=12;',
- ' // error: A.vstrictprotected:=13; ']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_StrictPrivateInMainBeginFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' strict private v: longint;');
- Add(' end;');
- Add('var');
- Add(' o: TObject;');
- Add('begin');
- Add(' if o.v=3 then ;');
- CheckResolverException('Can''t access strict private member v',
- nCantAccessXMember);
- end;
- procedure TTestResolver.TestClass_StrictProtectedInMainBeginFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' strict protected v: longint;');
- Add(' end;');
- Add('var');
- Add(' o: TObject;');
- Add('begin');
- Add(' if o.v=3 then ;');
- CheckResolverException('Can''t access strict protected member v',
- nCantAccessXMember);
- end;
- procedure TTestResolver.TestClass_Constructor_NewInstance;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- ActualNewInstance, ActualImplicitCallWithoutParams: Boolean;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create;',
- ' class function DoSome: TObject;',
- ' end;',
- 'constructor TObject.Create;',
- 'begin',
- ' {#a}Create; // normal call',
- ' TObject.{#b}Create; // new instance',
- 'end;',
- 'class function TObject.DoSome: TObject;',
- 'begin',
- ' Result:={#c}Create; // new instance',
- 'end;',
- 'var',
- ' o: TObject;',
- 'begin',
- ' TObject.{#p}Create; // new object',
- ' o:=TObject.{#q}Create; // new object',
- ' o.{#r}Create; // normal call',
- ' o:=o.{#s}Create; // normal call',
- '']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestClass_Constructor_NewInstance ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualNewInstance:=false;
- ActualImplicitCallWithoutParams:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestClass_Constructor_NewInstance ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestClass_Constructor_NewInstance ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- if (Ref.Declaration is TPasConstructor) then
- ActualNewInstance:=rrfNewInstance in Ref.Flags;
- ActualImplicitCallWithoutParams:=rrfImplicitCallWithoutParams in Ref.Flags;
- break;
- end;
- if not ActualImplicitCallWithoutParams then
- RaiseErrorAtSrcMarker('expected implicit call at "#'+aMarker^.Identifier+', but got function ref"',aMarker);
- case aMarker^.Identifier of
- 'a','r','s':// should be normal call
- if ActualNewInstance then
- RaiseErrorAtSrcMarker('expected normal call at "#'+aMarker^.Identifier+', but got newinstance"',aMarker);
- else // should be newinstance
- if not ActualNewInstance then
- RaiseErrorAtSrcMarker('expected newinstance at "#'+aMarker^.Identifier+', but got normal call"',aMarker);
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestClass_Destructor_FreeInstance;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- ActualFreeInstance, ActualImplicitCallWithoutParams: Boolean;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' destructor Destroy; virtual;');
- Add(' end;');
- Add(' TChild = class(TObject)');
- Add(' destructor DestroyOther;');
- Add(' end;');
- Add('destructor TObject.Destroy;');
- Add('begin');
- Add('end;');
- Add('destructor TChild.DestroyOther;');
- Add('begin');
- Add(' {#a}Destroy; // free instance');
- Add(' inherited {#b}Destroy; // normal call');
- Add('end;');
- Add('var');
- Add(' c: TChild;');
- Add('begin');
- Add(' c.{#c}Destroy; // free instance');
- Add(' c.{#d}DestroyOther; // free instance');
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestClass_Destructor_FreeInstance ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualFreeInstance:=false;
- ActualImplicitCallWithoutParams:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestClass_Destructor_FreeInstance ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestClass_Destructor_FreeInstance ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- if (Ref.Declaration is TPasDestructor) then
- ActualFreeInstance:=rrfFreeInstance in Ref.Flags;
- ActualImplicitCallWithoutParams:=rrfImplicitCallWithoutParams in Ref.Flags;
- break;
- end;
- if not ActualImplicitCallWithoutParams then
- RaiseErrorAtSrcMarker('expected implicit call at "#'+aMarker^.Identifier+', but got function ref"',aMarker);
- case aMarker^.Identifier of
- 'b':// should be normal call
- if ActualFreeInstance then
- RaiseErrorAtSrcMarker('expected normal call at "#'+aMarker^.Identifier+', but got freeinstance"',aMarker);
- else // should be freeinstance
- if not ActualFreeInstance then
- RaiseErrorAtSrcMarker('expected freeinstance at "#'+aMarker^.Identifier+', but got normal call"',aMarker);
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestClass_ConDestructor_CallInherited;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' constructor Create;');
- Add(' destructor Destroy; virtual;');
- Add(' end;');
- Add(' TChild = class(TObject)');
- Add(' constructor Create;');
- Add(' destructor Destroy; override;');
- Add(' end;');
- Add('constructor TObject.Create;');
- Add('begin');
- Add('end;');
- Add('destructor TObject.Destroy;');
- Add('begin');
- Add('end;');
- Add('constructor TChild.Create;');
- Add('begin');
- Add(' {#c}inherited; // normal call');
- Add('end;');
- Add('destructor TChild.Destroy;');
- Add('begin');
- Add(' {#d}inherited; // normal call');
- Add('end;');
- Add('begin');
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestClass_ConDestructor_Inherited ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestClass_ConDestructor_Inherited ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestClass_ConDestructor_Inherited ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- if rrfNewInstance in Ref.Flags then
- RaiseErrorAtSrcMarker('expected normal call at "#'+aMarker^.Identifier+', but got newinstance"',aMarker);
- if rrfFreeInstance in Ref.Flags then
- RaiseErrorAtSrcMarker('expected normal call at "#'+aMarker^.Identifier+', but got freeinstance"',aMarker);
- break;
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestClass_Constructor_Inherited;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' constructor Create;');
- Add(' destructor Destroy;');
- Add(' procedure DoIt;');
- Add(' end;');
- Add(' {#TClassA}TClassA = class');
- Add(' Sub: TObject;');
- Add(' end;');
- Add('constructor TObject.Create; begin end;');
- Add('destructor TObject.Destroy; begin end;');
- Add('procedure TObject.DoIt; begin end;');
- Add('var a: TClassA;');
- Add('begin');
- Add(' a:=TClassA.Create;');
- Add(' a.DoIt;');
- Add(' a.Destroy;');
- Add(' if TClassA.Create.Sub=nil then ;');
- Add(' with TClassA.Create do Sub:=nil;');
- Add(' with TClassA do a:=Create;');
- Add(' with TClassA do Create.Sub:=nil;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_SubObject;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' {#Sub}Sub: TObject;');
- Add(' procedure DoIt(p: longint);');
- Add(' function GetIt(p: longint): TObject;');
- Add(' end;');
- Add('procedure TObject.DoIt(p: longint); begin end;');
- Add('function TObject.GetIt(p: longint): TObject; begin end;');
- Add('var o: TObject;');
- Add('begin');
- Add(' o.Sub:=nil;');
- Add(' o.Sub.Sub:=nil;');
- Add(' if o.Sub=nil then ;');
- Add(' if o.Sub=o.Sub.Sub then ;');
- Add(' o.Sub.DoIt(3);');
- Add(' o.Sub.GetIt(4);');
- Add(' o.Sub.GetIt(5).DoIt(6);');
- Add(' o.Sub.GetIt(7).Sub.DoIt(8);');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_WithClassInstance;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualRefWith: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FInt: longint;');
- Add(' FObj: TObject;');
- Add(' FArr: array of longint;');
- Add(' constructor Create;');
- Add(' function GetSize: longint;');
- Add(' procedure SetSize(Value: longint);');
- Add(' function GetItems(Index: longint): longint;');
- Add(' procedure SetItems(Index, Value: longint);');
- Add(' property Size: longint read GetSize write SetSize;');
- Add(' property Items[Index: longint]: longint read GetItems write SetItems;');
- Add(' end;');
- Add('constructor TObject.Create; begin end;');
- Add('function TObject.GetSize: longint; begin end;');
- Add('procedure TObject.SetSize(Value: longint); begin end;');
- Add('function TObject.GetItems(Index: longint): longint; begin end;');
- Add('procedure TObject.SetItems(Index, Value: longint); begin end;');
- Add('var');
- Add(' Obj: TObject;');
- Add(' i: longint;');
- Add('begin');
- Add(' with TObject.Create do begin');
- Add(' {#A}FInt:=3;');
- Add(' i:={#B}FInt;');
- Add(' i:={#C}GetSize;');
- Add(' i:={#D}GetSize();');
- Add(' {#E}SetSize(i);');
- Add(' i:={#F}Size;');
- Add(' {#G}Size:=i;');
- Add(' i:={#H}Items[i];');
- Add(' {#I}Items[i]:=i;');
- Add(' i:={#J}FArr[i];');
- Add(' {#K}FArr[i]:=i;');
- Add(' end;');
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestClass_WithClassInstance ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualRefWith:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestClass_WithClassInstance ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if Ref.WithExprScope=nil then continue;
- ActualRefWith:=true;
- break;
- end;
- if not ActualRefWith then
- RaiseErrorAtSrcMarker('expected Ref.WithExprScope<>nil at "#'+aMarker^.Identifier+', but got nil"',aMarker);
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestClass_ProcedureExternal;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure DoIt; external ''somewhere'';');
- Add(' end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_ReintroducePublicVarFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' public');
- Add(' Some: longint;');
- Add(' end;');
- Add(' TCar = class(tobject)');
- Add(' public');
- Add(' Some: longint;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Duplicate identifier "Some" at afile.pp(5,5)',nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestClass_ReintroducePrivateVar;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' strict private');
- Add(' Some: longint;');
- Add(' end;');
- Add(' TCar = class(tobject)');
- Add(' public');
- Add(' Some: longint;');
- Add(' end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_ReintroduceProc;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' strict private');
- Add(' Some: longint;');
- Add(' end;');
- Add(' TMobile = class');
- Add(' strict private');
- Add(' Some: string;');
- Add(' end;');
- Add(' TCar = class(tmobile)');
- Add(' procedure {#A}Some;');
- Add(' procedure {#B}Some(vA: longint);');
- Add(' end;');
- Add('procedure tcar.some;');
- Add('begin');
- Add(' {@A}Some;');
- Add(' {@B}Some(1);');
- Add('end;');
- Add('procedure tcar.some(va: longint); begin end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_UntypedParam_TypeCast;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class end;');
- Add('procedure {#ProcA}ProcA(var {#A}A);');
- Add('begin');
- Add(' TObject({@A}A):=TObject({@A}A);');
- Add(' if TObject({@A}A)=nil then ;');
- Add(' if nil=TObject({@A}A) then ;');
- Add('end;');
- Add('procedure {#ProcB}ProcB(const {#B}B);');
- Add('begin');
- Add(' if TObject({@B}B)=nil then ;');
- Add(' if nil=TObject({@B}B) then ;');
- Add('end;');
- Add('var o: TObject;');
- Add('begin');
- Add(' {@ProcA}ProcA(o);');
- Add(' {@ProcB}ProcB(o);');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_Sealed;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class sealed');
- Add(' end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_SealedDescendFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class sealed');
- Add(' end;');
- Add(' TNop = class(TObject)');
- Add(' end;');
- Add('begin');
- CheckResolverException(sCannotCreateADescendantOfTheSealedXY,
- nCannotCreateADescendantOfTheSealedXY);
- end;
- procedure TTestResolver.TestClass_Abstract;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create;',
- ' end;',
- ' TNop = class abstract(TObject)',
- ' end;',
- ' TBird = class(TNop)',
- ' constructor Create(w: word);',
- ' end;',
- 'constructor TObject.Create;',
- 'begin',
- 'end;',
- 'constructor TBird.Create(w: word);',
- 'begin',
- ' inherited Create;',
- 'end;',
- 'begin',
- ' TBird.Create;']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_AbstractCreateFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create;',
- ' end;',
- ' TNop = class abstract(TObject)',
- ' end;',
- 'constructor TObject.Create;',
- 'begin',
- 'end;',
- 'begin',
- ' TNop.Create;']);
- ParseProgram;
- CheckResolverHint(mtWarning,nCreatingAnInstanceOfAbstractClassY,
- 'Creating an instance of abstract class "TNop"');
- end;
- procedure TTestResolver.TestClass_VarExternal;
- begin
- StartProgram(false);
- Add('{$modeswitch externalclass}');
- Add('type');
- Add(' TExtA = class external name ''ExtA''');
- Add(' Id: longint external name ''$Id'';');
- Add(' Data: longint external name ''$Data'';');
- Add(' end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_WarnOverrideLowerVisibility;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' strict protected');
- Add(' procedure DoStrictProtected; virtual; abstract;');
- Add(' protected');
- Add(' procedure DoProtected; virtual; abstract;');
- Add(' public');
- Add(' procedure DoPublic; virtual; abstract;');
- Add(' published');
- Add(' procedure DoPublished; virtual; abstract;');
- Add(' end;');
- Add(' TBird = class(TObject)');
- Add(' private');
- Add(' procedure DoStrictProtected; override;');
- Add(' procedure DoProtected; override;');
- Add(' protected');
- Add(' procedure DoPublic; override;');
- Add(' procedure DoPublished; override;');
- Add(' end;');
- Add('procedure TBird.DoStrictProtected; begin end;');
- Add('procedure TBird.DoProtected; begin end;');
- Add('procedure TBird.DoPublic; begin end;');
- Add('procedure TBird.DoPublished; begin end;');
- Add('begin');
- ParseProgram;
- CheckResolverHint(mtNote,nVirtualMethodXHasLowerVisibility,
- 'Virtual method "DoStrictProtected" has a lower visibility (private) than parent class TObject (strict protected)');
- CheckResolverHint(mtNote,nVirtualMethodXHasLowerVisibility,
- 'Virtual method "DoProtected" has a lower visibility (private) than parent class TObject (protected)');
- CheckResolverHint(mtNote,nVirtualMethodXHasLowerVisibility,
- 'Virtual method "DoPublic" has a lower visibility (protected) than parent class TObject (public)');
- CheckResolverHint(mtNote,nVirtualMethodXHasLowerVisibility,
- 'Virtual method "DoPublished" has a lower visibility (protected) than parent class TObject (published)');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_Const;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' integer = longint;',
- ' TClass = class of TObject;',
- ' TObject = class',
- ' strict private const',
- ' Prefix = ''binary'';',
- ' PrefixLength = Length(Prefix);',
- ' public',
- ' const cI: integer = 3;',
- ' procedure DoIt;',
- ' class procedure DoMore;',
- ' end;',
- 'implementation',
- 'procedure tobject.doit;',
- 'begin',
- ' if cI=4 then;',
- ' if 5=cI then;',
- ' if Self.cI=6 then;',
- ' if 7=Self.cI then;',
- ' with Self do begin',
- ' if cI=11 then;',
- ' if 12=cI then;',
- ' end;',
- 'end;',
- 'class procedure tobject.domore;',
- 'begin',
- ' if cI=8 then;',
- ' if Self.cI=9 then;',
- ' if 10=cI then;',
- ' if 11=Self.cI then;',
- ' with Self do begin',
- ' if cI=13 then;',
- ' if 14=cI then;',
- ' end;',
- 'end;',
- 'var',
- ' Obj: TObject;',
- ' Cla: TClass;',
- 'begin',
- ' if TObject.cI=21 then ;',
- ' if Obj.cI=22 then ;',
- ' if Cla.cI=23 then ;',
- ' with obj do if ci=24 then;',
- ' with TObject do if ci=25 then;',
- ' with Cla do if ci=26 then;']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClass_ClassMissingVarFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' class c: word;',
- ' end;',
- 'begin']);
- CheckParserException('Expected "procedure or function"',nParserExpectTokenError);
- end;
- procedure TTestResolver.TestClass_ClassConstFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' class const c = 1;',
- ' end;',
- 'begin']);
- CheckParserException(sParserExpectToken2Error,nParserExpectToken2Error);
- end;
- procedure TTestResolver.TestClass_Enumerator;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TItem = TObject;',
- ' TEnumerator = class',
- ' FCurrent: TItem;',
- ' property Current: TItem read FCurrent;',
- ' function MoveNext: boolean;',
- ' end;',
- ' TBird = class',
- ' function GetEnumerator: TEnumerator;',
- ' end;',
- 'function TEnumerator.MoveNext: boolean;',
- 'begin',
- 'end;',
- 'function TBird.GetEnumerator: TEnumerator;',
- 'begin',
- 'end;',
- 'var',
- ' b: TBird;',
- ' i: TItem;',
- ' {#i2}i2: TItem;',
- 'begin',
- ' for i in b do {@i2}i2:=i;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_EnumeratorFunc;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TItem = longint;',
- ' TEnumerator = class',
- ' FCurrent: TItem;',
- ' property Current: TItem read FCurrent;',
- ' function MoveNext: boolean;',
- ' function GetEnumerator: TEnumerator;',
- ' end;',
- 'function TEnumerator.MoveNext: boolean;',
- 'begin',
- 'end;',
- 'function TEnumerator.GetEnumerator: TEnumerator;',
- 'begin',
- 'end;',
- 'function GetIt: TEnumerator;',
- 'begin',
- 'end;',
- 'var',
- ' i, i2: TItem;',
- 'begin',
- ' for i in GetIt do i2:=i;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_ForInPropertyStaticArray;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TMonthNameArray = array [1..12] of string;',
- ' TMonthNames = TMonthNameArray;',
- ' TObject = class',
- ' private',
- ' function GetLongMonthNames: TMonthNames; virtual; abstract;',
- ' public',
- ' Property LongMonthNames : TMonthNames Read GetLongMonthNames;',
- ' end;',
- 'var f: TObject;',
- ' Month: string;',
- 'begin',
- ' for Month in f.LongMonthNames do ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_TypeAlias;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TBird = type TObject;',
- 'var',
- ' o: TObject;',
- ' b: TBird;',
- 'begin',
- ' o:=b;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_Message;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' FlyId = 2;',
- ' RunStr = ''Fast'';',
- 'type',
- ' TObject = class',
- ' procedure Fly(var msg); message 3+FlyId;',
- ' procedure Run(var msg); virtual; abstract; message ''prefix''+RunStr;',
- ' end;',
- 'procedure TObject.Fly(var msg);',
- 'begin',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_Message_MissingParamFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure Fly; message 3;',
- ' end;',
- 'procedure TObject.Fly;',
- 'begin',
- 'end;',
- 'begin',
- '']);
- CheckResolverException(sMessageHandlersInvalidParams,nMessageHandlersInvalidParams);
- end;
- procedure TTestResolver.TestClass_PublishedClassVarFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' published');
- Add(' class var Id: longint;');
- Add(' end;');
- Add('begin');
- CheckResolverException(sSymbolCannotBePublished,nSymbolCannotBePublished);
- end;
- procedure TTestResolver.TestClass_PublishedClassPropertyFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class var FA: longint;');
- Add(' published');
- Add(' class property A: longint read FA;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Invalid published property modifier "class"',
- nInvalidXModifierY);
- end;
- procedure TTestResolver.TestClass_PublishedClassFunctionFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' published');
- Add(' class procedure DoIt;');
- Add(' end;');
- Add('class procedure TObject.DoIt; begin end;');
- Add('begin');
- CheckResolverException(sSymbolCannotBePublished,nSymbolCannotBePublished);
- end;
- procedure TTestResolver.TestClass_PublishedOverloadFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' published');
- Add(' procedure DoIt;');
- Add(' procedure DoIt(i: longint);');
- Add(' end;');
- Add('procedure TObject.DoIt; begin end;');
- Add('procedure TObject.DoIt(i: longint); begin end;');
- Add('begin');
- CheckResolverException(sDuplicateIdentifier,nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestNestedClass;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TBear = class',
- ' type',
- ' TNumber = byte;',
- ' TLeg = class',
- ' constructor Create(i: TNumber);',
- ' function {#Walk}Walk(i: TNumber): TLeg;',
- ' end;',
- ' procedure Move(i: TNumber);',
- ' end;',
- 'procedure TBear.Move(i: TNumber);',
- 'var Leg: TLeg;',
- 'begin',
- ' Leg:=TLeg.Create(i);',
- ' Leg:=TBear.TLeg.Create(i);',
- 'end;',
- 'constructor tBear.tLeg.Create(i: TNumber);',
- 'begin',
- ' {@Walk}Walk(i);',
- ' Self.{@Walk}Walk(i);',
- 'end;',
- 'function tBear.tLeg.walk(i: TNumber): TLeg;',
- 'begin',
- ' Result:=Walk(3);',
- 'end;',
- 'var Leg: TBear.TLeg;',
- 'begin',
- ' Leg:=TBear.TLeg.Create(2);',
- ' Leg:=Leg.Walk(3);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestNestedClass_Forward;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' type',
- ' TArm = class;',
- ' TLeg = class',
- ' procedure Send(Arm: TArm);',
- ' end;',
- ' TArm = class',
- ' i: byte;',
- ' end;',
- ' end;',
- 'procedure tObject.tLeg.send(Arm: TArm);',
- 'begin',
- ' Arm.i:=3;',
- 'end;',
- 'var',
- ' Leg: TObject.TLeg;',
- ' Arm: TObject.TArm;',
- 'begin',
- ' Leg.Send(Arm);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestNestedClass_StrictPrivateFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' strict private type',
- ' TArm = class',
- ' i: byte;',
- ' end;',
- ' end;',
- 'var',
- ' Arm: TObject.TArm;',
- 'begin',
- '']);
- CheckResolverException('Can''t access strict private member TArm',nCantAccessXMember);
- end;
- procedure TTestResolver.TestNestedClass_AccessStrictPrivate;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' public type',
- ' TWing = class',
- ' procedure Fly;',
- ' end;',
- ' strict private',
- ' class var i: longint;',
- ' end;',
- 'procedure TObject.TWing.Fly;',
- 'begin',
- ' i:=3;',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestExternalClass;
- begin
- StartProgram(false);
- Add('type');
- Add('{$modeswitch externalclass}');
- Add(' TExtA = class external ''namespace'' name ''symbol''');
- Add(' Id: longint;');
- Add(' end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestExternalClass_Descendant;
- begin
- StartProgram(false);
- Add('type');
- Add('{$modeswitch externalclass}');
- Add(' TExtA = class external ''namespace'' name ''symbol''');
- Add(' Id: longint;');
- Add(' end;');
- Add(' TExtB = class external ''namespace'' name ''symbol''(TExtA)');
- Add(' end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOf;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {#TClass}{=TObj}TClass = class of TObject;',
- ' {#TOBJ}TObject = class',
- ' ClassType: TClass; ',
- ' end;',
- 'type',
- ' {#TMobile}TMobile = class',
- ' end;',
- ' {#TMobiles}{=TMobile}TMobiles = class of TMobile;',
- 'type',
- ' {#TCars}{=TCar}TCars = class of TCar;',
- ' {#TShips}{=TShip}TShips = class of TShip;',
- ' {#TCar}TCar = class(TMobile)',
- ' end;',
- ' {#TShip}TShip = class(TMobile)',
- ' end;',
- 'var',
- ' o: TObject;',
- ' c: TClass;',
- ' mobile: TMobile;',
- ' mobiletype: TMobiles;',
- ' car: TCar;',
- ' cartype: TCars;',
- ' ship: TShip;',
- ' shiptype: TShips;',
- ' p: pointer;',
- 'begin',
- ' c:=nil;',
- ' c:=o.ClassType;',
- ' if c=nil then;',
- ' if nil=c then;',
- ' if c=o.ClassType then ;',
- ' if c<>o.ClassType then ;',
- ' if Assigned(o) then ;',
- ' if Assigned(o.ClassType) then ;',
- ' if Assigned(c) then ;',
- ' mobiletype:=TMobile;',
- ' mobiletype:=TCar;',
- ' mobiletype:=TShip;',
- ' mobiletype:=cartype;',
- ' if mobiletype=nil then ;',
- ' if nil=mobiletype then ;',
- ' if mobiletype=TShip then ;',
- ' if TShip=mobiletype then ;',
- ' if mobiletype<>TShip then ;',
- ' if mobile is mobiletype then ;',
- ' if car is mobiletype then ;',
- ' if mobile is cartype then ;',
- ' p:=c;',
- ' if p=c then ;',
- ' if c=p then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOfAlias;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TBird = TObject;',
- ' TBirds = class of TBird;',
- ' TEagles = TBirds;',
- 'var',
- ' o: TBird;',
- ' c: TEagles;',
- 'begin',
- ' c:=TObject;',
- ' c:=TBird;',
- ' if c=TObject then ;',
- ' if c=TBird then ;',
- ' if o is c then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOfNonClassFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TCars = class of longint;');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "class"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestClassOfAssignClassOfFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TClass = class of TObject;',
- 'var c: TClass;',
- 'begin',
- ' c:=TClass;']);
- CheckResolverException('Incompatible types: got "type class-of" expected "class of TObject"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestClassOfIsOperatorFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class end;');
- Add(' TCar = class end;');
- Add(' TCars = class of TCar;');
- Add('var cars: TCars;');
- Add('begin');
- Add(' if cars is TCars then ;');
- CheckResolverException('left side of is-operator expects a class, but got "class of"',
- nLeftSideOfIsOperatorExpectsAClassButGot);
- end;
- procedure TTestResolver.TestClassOfAsOperatorFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class end;');
- Add(' TCar = class end;');
- Add(' TCars = class of TCar;');
- Add('var');
- Add(' o: TObject;');
- Add(' cars: TCars;');
- Add('begin');
- Add(' cars:=cars as TCars;');
- CheckResolverException('Operator is not overloaded: "TCars" as "class of TCars"',
- nOperatorIsNotOverloadedAOpB);
- end;
- procedure TTestResolver.TestClassOfIsOperator;
- begin
- StartProgram(false);
- ResolverEngine.Options:=ResolverEngine.Options+[proClassOfIs];
- Add('type');
- Add(' TObject = class end;');
- Add(' TClass = class of TObject;');
- Add(' TCar = class end;');
- Add(' TCars = class of TCar;');
- Add('var C: TClass;');
- Add(' D: TCars;');
- Add('begin');
- Add(' if C is TCar then;');
- Add(' if C is TCars then;');
- Add(' if C is D then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_ClassVar;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class var GlobalId: longint;');
- Add(' end;');
- Add(' TObjectClass = class of TObject;');
- Add('var');
- Add(' o: TObject;');
- Add(' oc: TObjectClass;');
- Add('begin');
- Add(' o.GlobalId:=3;');
- Add(' if o.GlobalId=4 then ;');
- Add(' if 5=o.GlobalId then ;');
- Add(' TObject.GlobalId:=6;');
- Add(' if TObject.GlobalId=7 then ;');
- Add(' if 8=TObject.GlobalId then ;');
- Add(' oc.GlobalId:=9;');
- Add(' if oc.GlobalId=10 then ;');
- Add(' if 11=oc.GlobalId then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOfDotClassVar;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class var Id: longint;');
- Add(' end;');
- Add(' TObjectClass = class of TObject;');
- Add('var');
- Add(' oc: TObjectClass;');
- Add('begin');
- Add(' oc.Id:=3;');
- Add(' if oc.Id=4 then ;');
- Add(' if 5=oc.Id then ;');
- Add(' TObject.Id:=3;');
- Add(' if TObject.Id=4 then ;');
- Add(' if 5=TObject.Id then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOfDotVarFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' Id: longint;');
- Add(' end;');
- Add(' TObjectClass = class of TObject;');
- Add('var');
- Add(' oc: TObjectClass;');
- Add('begin');
- Add(' oc.Id:=3;');
- CheckResolverException(sCannotAccessThisMemberFromAX,
- nCannotAccessThisMemberFromAX);
- end;
- procedure TTestResolver.TestClassOfDotClassProc;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class procedure ProcA;');
- Add(' class function FuncB: longint;');
- Add(' class procedure ProcC(i: longint);');
- Add(' class function FuncD(i: longint): longint;');
- Add(' end;');
- Add(' TObjectClass = class of TObject;');
- Add('class procedure TObject.ProcA; begin end;');
- Add('class function TObject.FuncB: longint; begin end;');
- Add('class procedure TObject.ProcC(i: longint); begin end;');
- Add('class function TObject.FuncD(i: longint): longint; begin end;');
- Add('var');
- Add(' o: TObject;');
- Add(' oc: TObjectClass;');
- Add('begin');
- Add(' o.ProcA;');
- Add(' oc.ProcA;');
- Add(' TObject.ProcA;');
- Add(' o.FuncB;');
- Add(' o.FuncB();');
- Add(' oc.FuncB;');
- Add(' oc.FuncB();');
- Add(' TObject.FuncB;');
- Add(' TObject.FuncB();');
- Add(' if oc.FuncB=3 then ;');
- Add(' if oc.FuncB()=4 then ;');
- Add(' if 5=oc.FuncB then ;');
- Add(' if 6=oc.FuncB() then ;');
- Add(' oc.ProcC(7);');
- Add(' TObject.ProcC(8);');
- Add(' oc.FuncD(7);');
- Add(' TObject.FuncD(8);');
- Add(' if oc.FuncD(9)=10 then ;');
- Add(' if 11=oc.FuncD(12) then ;');
- Add(' if TObject.FuncD(13)=14 then ;');
- Add(' if 15=TObject.FuncD(16) then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOfDotProcFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA;');
- Add(' end;');
- Add(' TObjectClass = class of TObject;');
- Add('procedure TObject.ProcA; begin end;');
- Add('var');
- Add(' oc: TObjectClass;');
- Add('begin');
- Add(' oc.ProcA;');
- CheckResolverException(sCannotAccessThisMemberFromAX,
- nCannotAccessThisMemberFromAX);
- end;
- procedure TTestResolver.TestClassOfDotClassProperty;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class var FA: longint;');
- Add(' class function GetA: longint; static;');
- Add(' class procedure SetA(Value: longint); static;');
- Add(' class property A1: longint read FA write SetA;');
- Add(' class property A2: longint read GetA write FA;');
- Add(' end;');
- Add(' TObjectClass = class of TObject;');
- Add('class function TObject.GetA: longint; begin end;');
- Add('class procedure TObject.SetA(Value: longint); begin end;');
- Add('var');
- Add(' o: TObject;');
- Add(' oc: TObjectClass;');
- Add('begin');
- Add(' o.A1:=3;');
- Add(' if o.A1=4 then ;');
- Add(' if 5=o.A1 then ;');
- Add(' oc.A1:=6;');
- Add(' if oc.A1=7 then ;');
- Add(' if 8=oc.A1 then ;');
- Add(' TObject.A1:=9;');
- Add(' if TObject.A1=10 then ;');
- Add(' if 11=TObject.A1 then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOfDotPropertyFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FA: longint;');
- Add(' property A: longint read FA;');
- Add(' end;');
- Add(' TObjectClass = class of TObject;');
- Add('var');
- Add(' oc: TObjectClass;');
- Add('begin');
- Add(' if oc.A=3 then ;');
- CheckResolverException(sCannotAccessThisMemberFromAX,
- nCannotAccessThisMemberFromAX);
- end;
- procedure TTestResolver.TestClass_ClassProcSelf;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class var GlobalId: longint;');
- Add(' class procedure ProcA;');
- Add(' end;');
- Add(' TClass = class of TObject;');
- Add('class procedure TObject.ProcA;');
- Add('var c: TClass;');
- Add('begin');
- Add(' if Self=nil then ;');
- Add(' if Self.GlobalId=3 then ;');
- Add(' if 4=Self.GlobalId then ;');
- Add(' Self.GlobalId:=5;');
- Add(' c:=Self;');
- Add(' c:=TClass(Self);');
- Add(' if Self=c then ;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClass_ClassProcSelfTypeCastFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class procedure ProcA;');
- Add(' end;');
- Add('class procedure TObject.ProcA;');
- Add('begin');
- Add(' if TObject(Self)=nil then ;');
- Add('end;');
- Add('begin');
- CheckResolverException('Illegal type conversion: "Self" to "class TObject"',
- nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestClass_ClassMembers;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' TMobile = class');
- Add(' public');
- Add(' MobileId: longint;');
- Add(' class var LastVal: longint;');
- Add(' constructor Create; virtual;');
- Add(' class procedure ClProcA;');
- Add(' class function ClFuncB: longint;');
- Add(' class function StFuncC: longint; static;');
- Add(' class property ClMobileId: longint read StFuncC write LastVal;');
- Add(' end;');
- Add(' TMobiles = class of TMobile;');
- Add(' TCars = class of TCar;');
- Add(' TCar = class(TMobile)');
- Add(' public');
- Add(' CarId: longint;');
- Add(' class var LastCarVal: longint;');
- Add(' constructor Create; override;');
- Add(' end;');
- Add('constructor TMobile.Create;');
- Add('begin');
- Add(' Self.MobileId:=7;');
- Add(' LastVal:=LastVal+ClMobileId+1;');
- Add(' ClMobileId:=MobileId+3;');
- Add(' TCar(Self).CarId:=4;');
- Add('end;');
- Add('class procedure TMobile.ClProcA;');
- Add('var');
- Add(' m: TMobiles;');
- Add('begin');
- Add(' LastVal:=9;');
- Add(' Self.LastVal:=ClFuncB+ClMobileId;');
- Add(' m:=Self;');
- Add(' if m=Self then ;');
- Add('end;');
- Add('class function TMobile.ClFuncB: longint;');
- Add('begin');
- Add(' if LastVal=3 then ;');
- Add(' Result:=Self.LastVal-ClMobileId;');
- Add('end;');
- Add('class function TMobile.StFuncC: longint;');
- Add('begin');
- Add(' Result:=LastVal;');
- Add(' // Forbidden: no Self in static methods');
- Add('end;');
- Add('');
- Add('constructor TCar.Create;');
- Add('begin');
- Add(' inherited Create;');
- Add(' Self.CarId:=8;');
- Add(' TMobile(Self).LastVal:=5;');
- Add(' if TMobile(Self).LastVal=25 then ;');
- Add('end;');
- Add('');
- Add('var');
- Add(' car: TCar;');
- Add(' cartype: TCars;');
- Add('begin');
- Add(' car:=TCar.Create;');
- Add(' car.MobileId:=10;');
- Add(' car.ClProcA;');
- Add(' exit;');
- Add(' car.ClMobileId:=11;');
- Add(' if car.ClFuncB=16 then ;');
- Add(' if 17=car.ClFuncB then ;');
- Add(' cartype:=TCar;');
- Add(' cartype.LastVal:=18;');
- Add(' if cartype.LastVal=19 then ;');
- Add(' if 20=cartype.LastVal then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOf_AsFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TClass = class of TObject;');
- Add(' TObject = class');
- Add(' end;');
- Add('var');
- Add(' c: tclass;');
- Add('begin');
- Add(' c:=c as TClass;');
- CheckResolverException('Operator is not overloaded: "TClass" as "class of TClass"',
- nOperatorIsNotOverloadedAOpB);
- end;
- procedure TTestResolver.TestClassOf_MemberAsFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TClass = class of TObject;');
- Add(' TObject = class');
- Add(' c: tclass;');
- Add(' end;');
- Add('var o: TObject;');
- Add('begin');
- Add(' o.c:=o.c as TClass;');
- CheckResolverException('Operator is not overloaded: "TClass" as "class of TClass"',nOperatorIsNotOverloadedAOpB);
- end;
- procedure TTestResolver.TestClassOf_IsFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TClass = class of TObject;');
- Add(' TObject = class');
- Add(' end;');
- Add('var');
- Add(' c: tclass;');
- Add('begin');
- Add(' if c is TObject then;');
- CheckResolverException('left side of is-operator expects a class, but got "class of"',
- nLeftSideOfIsOperatorExpectsAClassButGot);
- end;
- procedure TTestResolver.TestClass_TypeCast;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class procedure {#TObject_DoIt}DoIt;');
- Add(' end;');
- Add(' TClass = class of TObject;');
- Add(' TMobile = class');
- Add(' class procedure {#TMobile_DoIt}DoIt;');
- Add(' end;');
- Add(' TMobileClass = class of TMobile;');
- Add(' TCar = class(TMobile)');
- Add(' class procedure {#TCar_DoIt}DoIt;');
- Add(' end;');
- Add(' TCarClass = class of TCar;');
- Add('class procedure TObject.DoIt;');
- Add('begin');
- Add(' TClass(Self).{@TObject_DoIt}DoIt;');
- Add(' TMobileClass(Self).{@TMobile_DoIt}DoIt;');
- Add('end;');
- Add('class procedure TMobile.DoIt;');
- Add('begin');
- Add(' TClass(Self).{@TObject_DoIt}DoIt;');
- Add(' TMobileClass(Self).{@TMobile_DoIt}DoIt;');
- Add(' TCarClass(Self).{@TCar_DoIt}DoIt;');
- Add('end;');
- Add('class procedure TCar.DoIt; begin end;');
- Add('var');
- Add(' ObjC: TClass;');
- Add(' MobileC: TMobileClass;');
- Add(' CarC: TCarClass;');
- Add('begin');
- Add(' ObjC.{@TObject_DoIt}DoIt;');
- Add(' MobileC.{@TMobile_DoIt}DoIt;');
- Add(' CarC.{@TCar_DoIt}DoIt;');
- Add(' TClass(ObjC).{@TObject_DoIt}DoIt;');
- Add(' TMobileClass(ObjC).{@TMobile_DoIt}DoIt;');
- Add(' TCarClass(ObjC).{@TCar_DoIt}DoIt;');
- Add(' TClass(MobileC).{@TObject_DoIt}DoIt;');
- Add(' TMobileClass(MobileC).{@TMobile_DoIt}DoIt;');
- Add(' TCarClass(MobileC).{@TCar_DoIt}DoIt;');
- Add(' TClass(CarC).{@TObject_DoIt}DoIt;');
- Add(' TMobileClass(CarC).{@TMobile_DoIt}DoIt;');
- Add(' TCarClass(CarC).{@TCar_DoIt}DoIt;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOf_AlwaysForward;
- begin
- AddModuleWithIntfImplSrc('unit2.pp',
- LinesToStr([
- 'type',
- ' TObject = class',
- ' end;',
- ' TCar = class',
- ' end;',
- ' TCarry = TCar;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add('uses unit2;');
- Add('type');
- Add(' {#C}{=A}TCars = class of TCarry;');
- Add(' {#A}TCarry = class');
- Add(' class var {#B}B: longint;');
- Add(' end;');
- Add('begin');
- Add(' {@C}TCars.{@B}B:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOf_ClassOfBeforeClass_FuncResult;
- begin
- StartProgram(false);
- Add('type');
- Add(' TClass = class of TObject;');
- Add(' TObject = class');
- Add(' end;');
- Add('function GetClass: TClass;');
- Add('begin');
- Add(' Result:=TObject;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOf_Const;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TBird = TObject;',
- ' TBirds = class of TBird;',
- ' TEagles = TBirds;',
- ' THawk = class(TBird);',
- 'const',
- ' Hawk: TEagles = THawk;',
- ' DefaultBirdClasses : Array [1..2] of TEagles = (',
- ' TBird,',
- ' THawk',
- ' );',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassOf_Const2;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TFieldType = (fta,ftb);',
- ' TField = Class;',
- ' TFieldClass = class of TField;',
- ' TField = Class(TObject);',
- ' TFieldA = Class(TField);',
- ' TFieldB = Class(TField);',
- 'Const',
- ' DefaultFieldClasses : Array [TFieldType] of TFieldClass = (TFieldA,TFieldB);',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProperty1;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' {#TOBJ}TObject = class');
- Add(' end;');
- Add(' {#A}TClassA = class');
- Add(' {#FB}FB: integer;');
- Add(' property {#B}B: longint read {@FB}FB write {@FB}FB;');
- Add(' end;');
- Add('var');
- Add(' {#v}{=A}v: TClassA;');
- Add('begin');
- Add(' {@v}v.{@b}b:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyAccessorNotInFront;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' property B: longint read FB;');
- Add(' FB: longint;');
- Add(' end;');
- Add('begin');
- CheckResolverException('identifier not found "FB"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestPropertyReadAndWriteMissingFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' property B: longint;',
- ' end;',
- 'begin']);
- CheckResolverException(sPropertyMustHaveReadOrWrite,nPropertyMustHaveReadOrWrite);
- end;
- procedure TTestResolver.TestPropertyReadAccessorVarWrongType;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: string;');
- Add(' property B: longint read FB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestPropertyReadAccessorProcNotFunc;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure GetB;');
- Add(' property B: longint read GetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('function expected, but procedure found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestPropertyReadAccessorFuncWrongResult;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' function GetB: string;');
- Add(' property B: longint read GetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('function result Longint expected, but String found',
- nXExpectedButYFound);
- end;
- procedure TTestResolver.TestPropertyReadAccessorFuncWrongArgCount;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' function GetB(i: longint): longint;');
- Add(' property B: longint read GetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Wrong number of parameters specified for call to "GetB"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestPropertyReadAccessorFunc;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' function {#GetB}GetB: longint;');
- Add(' property {#B}B: longint read {@GetB}GetB;');
- Add(' end;');
- Add('function TObject.GetB: longint;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add('begin');
- Add(' if {@o}o.{@B}B=3 then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyReadAccessorStrictPrivate;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' strict private',
- ' FSize: word;',
- ' property Size: word read FSize;',
- ' strict protected',
- ' FName: string;',
- ' property Name: string read FName;',
- ' end;',
- ' TBird = class',
- ' strict protected',
- ' property Caption: string read FName;',
- ' end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyReadAccessorNonClassFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' FSize: word;',
- ' class property Size: word read FSize;',
- ' end;',
- 'begin',
- '']);
- CheckResolverException('class var expected, but var found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestPropertyWriteAccessorVarWrongType;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: string;');
- Add(' property B: longint write FB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestPropertyWriteAccessorFuncNotProc;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' function SetB: longint;');
- Add(' property B: longint write SetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('procedure expected, but function found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestPropertyWriteAccessorProcWrongArgCount;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure SetB;');
- Add(' property B: longint write SetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Wrong number of parameters specified for call to "SetB"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestPropertyWriteAccessorProcWrongArg;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure SetB(var Value: longint);');
- Add(' property B: longint write SetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Incompatible type arg no. 1: Got "var", expected "const"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestPropertyWriteAccessorProcWrongArgType;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure SetB(Value: string);');
- Add(' property B: longint write SetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Incompatible type arg no. 1: Got "String", expected "Longint"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestPropertyWriteAccessorProc;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' procedure {#SetB}SetB(Value: longint);');
- Add(' property {#B}B: longint write {@SetB}SetB;');
- Add(' end;');
- Add('procedure TObject.SetB(Value: longint);');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add('begin');
- Add(' {@o}o.{@B}B:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyTypeless;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {#TOBJ}TObject = class',
- ' {#FB}FB: longint;',
- ' property {#TOBJ_B}B: longint write {@FB}FB;',
- ' property {#TOBJ_D}D: longint write {@FB}FB;',
- ' end;',
- ' {#TA}TClassA = class',
- ' {#FC}FC: longint;',
- ' property {#TA_B}{@TOBJ_B}B write {@FC}FC;',
- ' end;',
- ' {#TB}TClassB = class(TClassA)',
- ' published',
- ' property {#TB_D}{@TOBJ_D}D;',
- ' end;',
- 'var',
- ' {#v}{=TA}v: TClassA;',
- 'begin',
- ' {@v}v.{@TA_B}B:=3;',
- ' {@v}v.{@TObj_D}D:=4;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyTypelessNoAncestorFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' TClassA = class');
- Add(' property B;');
- Add(' end;');
- Add('begin');
- CheckResolverException(sNoPropertyFoundToOverride,
- nNoPropertyFoundToOverride);
- end;
- procedure TTestResolver.TestPropertyStoredAccessor;
- begin
- StartProgram(false);
- Add('const StoreB = true;');
- Add('type');
- Add(' TObject = class');
- Add(' FBird: longint;');
- Add(' VStored: boolean;');
- Add(' function IsBirdStored: boolean; virtual; abstract;');
- Add(' property Bird: longint read FBird stored VStored;');
- Add(' property B: longint read FBird stored IsBirdStored;');
- Add(' property Eagle: longint read FBird stored StoreB;');
- Add(' property Hawk: longint read FBird stored false;');
- Add(' end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyStoredAccessorVarWrongType;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: longint;');
- Add(' BStored: longint;');
- Add(' property B: longint read FB stored BStored;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "Boolean"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestPropertyStoredAccessorProcNotFunc;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: longint;');
- Add(' procedure GetB;');
- Add(' property B: longint read FB stored GetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('function expected, but procedure found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestPropertyStoredAccessorFuncWrongResult;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: longint;');
- Add(' function GetB: string;');
- Add(' property B: longint read FB stored GetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('function: boolean expected, but function:String found',
- nXExpectedButYFound);
- end;
- procedure TTestResolver.TestPropertyStoredAccessorFuncWrongArgCount;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: longint;');
- Add(' function GetB(i: longint): boolean;');
- Add(' property B: longint read FB stored GetB;');
- Add(' end;');
- Add('begin');
- CheckResolverException('Wrong number of parameters specified for call to "GetB"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestPropertyIndexSpec;
- begin
- StartProgram(false);
- Add([
- 'const',
- ' CB = true or false;',
- ' CI = 1+2;',
- 'type',
- ' TEnum = (red, blue);',
- ' TObject = class',
- ' FB: boolean;',
- ' function GetIntBool(Index: longint): boolean; virtual; abstract;',
- ' procedure SetIntBool(Index: longint; b: boolean); virtual; abstract;',
- ' function GetBoolBool(Index: boolean): boolean; virtual; abstract;',
- ' procedure SetBoolBool(Index: boolean; b: boolean); virtual; abstract;',
- ' function GetEnumBool(Index: TEnum): boolean; virtual; abstract;',
- ' procedure SetEnumBool(Index: TEnum; b: boolean); virtual; abstract;',
- ' function GetStrIntBool(A: String; I: longint): boolean; virtual; abstract;',
- ' procedure SetStrIntBool(A: String; I: longint; b: boolean); virtual; abstract;',
- ' property B1: boolean index 1 read GetIntBool write SetIntBool stored GetIntBool;',
- ' property B2: boolean index CI read GetIntBool write SetIntBool stored GetIntBool;',
- ' property B3: boolean index false read GetBoolBool write SetBoolBool stored GetBoolBool;',
- ' property B4: boolean index CB read GetBoolBool write SetBoolBool stored GetBoolBool;',
- ' property B5: boolean index red read GetEnumBool write SetEnumBool stored GetEnumBool;',
- ' property B6: boolean index TEnum.blue read GetEnumBool write SetEnumBool stored GetEnumBool;',
- ' property B7: boolean index 1 read GetIntBool write FB stored FB;',
- ' property I1[A: String]: boolean index 2 read GetStrIntBool write SetStrIntBool;',
- ' end;',
- ' TBird = class',
- ' function GetIntBoolOvr(Index: longint): boolean; virtual; abstract;',
- ' property B1 index 3;',
- ' property B2 read GetIntBoolOvr;',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyIndexSpec_ReadAccessorWrongArgCount;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' function GetB: boolean; virtual; abstract;',
- ' property B: boolean index 1 read GetB;',
- ' end;',
- 'begin']);
- CheckResolverException('Wrong number of parameters specified for call to "GetB"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestPropertyIndexSpec_ReadAccessorWrongIndexArgType;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' function GetB(S: string): boolean; virtual; abstract;',
- ' property B: boolean index 1 read GetB;',
- ' end;',
- 'begin']);
- CheckResolverException('Incompatible type arg no. 1: Got "Longint", expected "String"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestPropertyDefaultValue;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TEnum = (red, blue, green, white, grey, black);',
- ' TEnumRg = blue..grey;',
- ' TSet = set of TEnum;',
- 'const',
- ' CB = true or false;',
- ' CI = 1+2;',
- ' CS = [red,blue];',
- 'type',
- ' TObject = class',
- ' FB: boolean;',
- ' property B1: boolean read FB default true;',
- ' property B2: boolean read FB default CB;',
- ' property B3: boolean read FB default afile.cb;',
- ' FI: longint;',
- ' property I1: longint read FI default 2;',
- ' property I2: longint read FI default CI;',
- ' FE: TEnum;',
- ' property E1: TEnum read FE default red;',
- ' property E2: TEnum read FE default TEnum.blue;',
- ' FEnumRg: TEnumRg;',
- ' property EnumRg1: TEnumRg read FEnumRg default white;',
- ' FSet: TSet;',
- ' property Set1: TSet read FSet default [];',
- ' property Set2: TSet read FSet default [red];',
- ' property Set3: TSet read FSet default [red,blue];',
- ' property Set4: TSet read FSet default CS;',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyArgs1;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' function GetB(Index: longint): boolean;');
- Add(' procedure SetB(Index: longint; Value: boolean);');
- Add(' property B[Index: longint]: boolean read GetB write SetB;');
- Add(' end;');
- Add('function TObject.GetB(Index: longint): boolean;');
- Add('begin');
- Add('end;');
- Add('procedure TObject.SetB(Index: longint; Value: boolean);');
- Add('begin');
- Add('end;');
- Add('var o: TObject;');
- Add('begin');
- Add(' o.B[3]:=true;');
- Add(' if o.B[4] then;');
- Add(' if o.B[5]=true then;');
- Add(' if false=o.B[6] then;');
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyArgs2;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' function GetB(Index: longint; const ID: string): longint;');
- Add(' procedure SetB(Index: longint; const ID: string; Value: longint);');
- Add(' property B[Index: longint; const ID: string]: longint read GetB write SetB;');
- Add(' end;');
- Add('function TObject.GetB(Index: longint; const ID: string): longint;');
- Add('begin');
- Add('end;');
- Add('procedure TObject.SetB(Index: longint; const ID: string; Value: longint);');
- Add('begin');
- Add('end;');
- Add('var o: TObject;');
- Add('begin');
- Add(' o.B[3,''abc'']:=7;');
- Add(' if o.B[4,'''']=8 then;');
- Add(' if 9=o.B[6,''d''] then;');
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyArgsWithDefaultsFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' function GetB(Index: longint): boolean;');
- Add(' procedure SetB(Index: longint; Value: boolean);');
- Add(' property B[Index: longint = 0]: boolean read GetB write SetB;');
- Add(' end;');
- Add('function TObject.GetB(Index: longint): boolean;');
- Add('begin');
- Add('end;');
- Add('procedure TObject.SetB(Index: longint; Value: boolean);');
- Add('begin');
- Add('end;');
- Add('begin');
- CheckParserException('Property arguments can not have default values',
- PParser.nParserPropertyArgumentsCanNotHaveDefaultValues);
- end;
- procedure TTestResolver.TestPropertyArgs_StringConstDefault;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' function GetItems(const s: string): byte; virtual; abstract;',
- ' procedure SetItems(const s: string; b: byte); virtual; abstract;',
- ' property Items[s: string]: byte read GetItems write SetItems;',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassProperty;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' class function GetStatic: word; static;',
- ' class procedure SetStatic(Value: word); static;',
- ' class property StaticP: word read GetStatic write SetStatic;',
- ' end;',
- 'class function TObject.GetStatic: word;',
- 'begin',
- ' StaticP:=StaticP;',
- 'end;',
- 'class procedure TObject.SetStatic(Value: word);',
- 'begin',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassPropertyNonStaticFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' class function GetNonStatic: word;',
- ' class property NonStatic: word read GetNonStatic;',
- ' end;',
- 'class function TObject.GetNonStatic: word;',
- 'begin',
- 'end;',
- 'begin',
- '']);
- CheckResolverException(sClassPropertyAccessorMustBeStatic,nClassPropertyAccessorMustBeStatic);
- end;
- procedure TTestResolver.TestClassPropertyNonStaticAllow;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proClassPropertyNonStatic];
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' class function GetStatic: word; static;',
- ' class procedure SetStatic(Value: word); static;',
- ' class property StaticP: word read GetStatic write SetStatic;',
- ' class function GetNonStatic: word;',
- ' class procedure SetNonStatic(Value: word);',
- ' class property NonStatic: word read GetNonStatic write SetNonStatic;',
- ' end;',
- ' TClass = class of TObject;',
- 'class function TObject.GetStatic: word;',
- 'begin',
- ' StaticP:=StaticP;',
- ' NonStatic:=NonStatic;',
- 'end;',
- 'class procedure TObject.SetStatic(Value: word);',
- 'begin',
- 'end;',
- 'class function TObject.GetNonStatic: word;',
- 'begin',
- ' StaticP:=StaticP;',
- ' NonStatic:=NonStatic;',
- 'end;',
- 'class procedure TObject.SetNonStatic(Value: word);',
- 'begin',
- 'end;',
- 'var',
- ' c: TClass;',
- ' o: TObject;',
- 'begin',
- ' c.STaticP:=c.StaticP;',
- ' o.STaticP:=o.StaticP;',
- ' c.NonStatic:=c.NonStatic;',
- ' o.NonStatic:=o.NonStatic;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArrayProperty;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' {#FItems}FItems: array of string;');
- Add(' function {#GetItems}GetItems(Index: longint): string;');
- Add(' procedure {#SetItems}SetItems(Index: longint; Value: string);');
- Add(' procedure DoIt;');
- Add(' property {#Items}Items[Index: longint]: string read {@GetItems}getitems write {@SetItems}setitems;');
- Add(' end;');
- Add('function tobject.getitems(index: longint): string;');
- Add('begin');
- Add(' Result:={@FItems}fitems[index];');
- Add('end;');
- Add('procedure tobject.setitems(index: longint; value: string);');
- Add('begin');
- Add(' {@FItems}fitems[index]:=value;');
- Add('end;');
- Add('procedure tobject.doit;');
- Add('begin');
- Add(' {@Items}items[1]:={@Items}items[2];');
- Add(' self.{@Items}items[3]:=self.{@Items}items[4];');
- Add('end;');
- Add('var Obj: tobject;');
- Add('begin');
- Add(' obj.{@Items}Items[11]:=obj.{@Items}Items[12];');
- ParseProgram;
- end;
- procedure TTestResolver.TestProperty_WrongTypeAsIndexFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' function GetItems(Index: string): string;');
- Add(' property Items[Index: string]: string read getitems;');
- Add(' end;');
- Add('function tobject.getitems(index: string): string;');
- Add('begin');
- Add('end;');
- Add('var Obj: tobject;');
- Add('begin');
- Add(' obj.Items[3]:=''4'';');
- CheckResolverException('Incompatible type arg no. 1: Got "Longint", expected "String"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestProperty_Option_ClassPropertyNonStatic;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proClassPropertyNonStatic];
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' class function GetB: longint;');
- Add(' class procedure SetB(Value: longint);');
- Add(' class property B: longint read GetB write SetB;');
- Add(' end;');
- Add('class function TObject.GetB: longint;');
- Add('begin');
- Add('end;');
- Add('class procedure TObject.SetB(Value: longint);');
- Add('begin');
- Add('end;');
- Add('begin');
- Add(' TObject.B:=4;');
- Add(' if TObject.B=6 then;');
- Add(' if 7=TObject.B then;');
- ParseProgram;
- end;
- procedure TTestResolver.TestDefaultProperty;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' function GetB(Index: longint): longint;',
- ' procedure SetB(Index: longint; Value: longint);',
- ' property B[Index: longint]: longint read GetB write SetB; default;',
- ' end;',
- 'function TObject.GetB(Index: longint): longint;',
- 'begin',
- 'end;',
- 'procedure TObject.SetB(Index: longint; Value: longint);',
- 'begin',
- ' if Value=Self[Index] then ;',
- ' Self[Index]:=Value;',
- 'end;',
- 'var o: TObject;',
- 'begin',
- ' o[3]:=4;',
- ' if o[5]=6 then;',
- ' if 7=o[8] then;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestDefaultPropertyIncVisibility;
- begin
- AddModuleWithIntfImplSrc('unit1.pp',
- LinesToStr([
- 'type',
- ' TNumber = longint;',
- ' TInteger = longint;',
- ' TObject = class',
- ' private',
- ' function GetItems(Index: TNumber): TInteger; virtual; abstract;',
- ' procedure SetItems(Index: TInteger; Value: TNumber); virtual; abstract;',
- ' protected',
- ' property Items[Index: TNumber]: longint read GetItems write SetItems;',
- ' end;']),
- LinesToStr([
- '']));
- StartProgram(true);
- Add([
- 'uses unit1;',
- 'type',
- ' TBird = class',
- ' public',
- ' property Items;',
- ' end;',
- 'procedure DoIt(i: TInteger);',
- 'begin',
- 'end;',
- 'var b: TBird;',
- 'begin',
- ' b.Items[1]:=2;',
- ' b.Items[3]:=b.Items[4];',
- ' DoIt(b.Items[5]);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProperty_MissingDefault;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add('var o: TObject;');
- Add('begin');
- Add(' if o[5]=6 then;');
- CheckResolverException('illegal qualifier "[" after "TObject"',
- nIllegalQualifierAfter);
- end;
- procedure TTestResolver.TestProperty_DefaultDotFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' function GetItems(Index: byte): byte;',
- ' property Items[Index: byte]: byte read GetItems; default;',
- ' end;',
- 'function TObject.GetItems(Index: byte): byte; begin end;',
- 'var o: TObject;',
- 'begin',
- ' if o.Items.i=6 then;',
- '']);
- CheckResolverException('illegal qualifier "." after "Items:array property"',
- nIllegalQualifierAfter);
- end;
- procedure TTestResolver.TestClassInterface;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' {$interfaces corba}',
- ' ICorbaIntf = interface',
- ' end;',
- ' {$interfaces com}',
- ' IUnknown = interface',
- ' end;',
- ' IInterface = IUnknown;',
- ' IComIntf = interface',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterfaceForward;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IBird = interface;',
- ' TObject = class',
- ' Bird: IBird;',
- ' end;',
- ' IUnknown = interface',
- ' end;',
- ' IBird = interface(IUnknown)',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterfaceVarFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' i: longint;',
- ' end;',
- 'begin']);
- CheckParserException('Fields are not allowed in interface',nParserNoFieldsAllowed);
- end;
- procedure TTestResolver.TestClassInterfaceConstFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' const i = 3;',
- ' end;',
- 'begin']);
- CheckParserException('CONST is not allowed in interface',nParserXNotAllowedInY);
- end;
- procedure TTestResolver.TestClassInterfaceClassMethodFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' class procedure DoIt;',
- ' end;',
- 'begin']);
- CheckParserException('CLASS is not allowed in interface',nParserXNotAllowedInY);
- end;
- procedure TTestResolver.TestClassInterfaceNestedTypeFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' type l = longint;',
- ' end;',
- 'begin']);
- CheckParserException('TYPE is not allowed in interface',nParserXNotAllowedInY);
- end;
- procedure TTestResolver.TestClassInterfacePropertyStoredFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' function GetSize: longint;',
- ' property Size: longint read GetSize stored false;',
- ' end;',
- 'begin']);
- CheckParserException('STORED is not allowed in interface',nParserXNotAllowedInY);
- end;
- procedure TTestResolver.TestClassInterface_ConstructorFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' constructor Create;',
- ' end;',
- 'begin']);
- CheckParserException('constructor is not allowed in interface',nParserXNotAllowedInY);
- end;
- procedure TTestResolver.TestClassInterface_DelphiClassAncestorIntfFail;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' IInterface = interface',
- ' end;',
- ' TObject = class(IInterface)',
- ' end;',
- 'begin']);
- CheckResolverException('class type expected, but interface type found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestClassInterface_ObjFPCClassAncestorIntf;
- begin
- StartProgram(false);
- Add([
- '{$mode objfpc}',
- 'type',
- ' IUnknown = interface',
- ' end;',
- ' TObject = class(IUnknown)',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_MethodVirtualFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt; virtual;',
- ' end;',
- 'begin']);
- CheckParserException('Fields are not allowed in interface',nParserNoFieldsAllowed);
- end;
- procedure TTestResolver.TestClassInterface_Overloads;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt(i: longint);',
- ' procedure DoIt(s: string);',
- ' end;',
- ' IBird = interface',
- ' procedure DoIt(b: boolean); overload;',
- ' end;',
- ' TObject = class end;',
- ' TBird = class(TObject,IBird)',
- ' procedure DoIt(i: longint); virtual; abstract;',
- ' procedure DoIt(s: string); virtual; abstract;',
- ' procedure DoIt(b: boolean); virtual; abstract;',
- ' end;',
- 'var i: IBird;',
- 'begin',
- ' i.DoIt(3);',
- ' i.DoIt(''abc'');',
- ' i.DoIt(true);',
- '']);
- ParseProgram;
- CheckResolverUnexpectedHints();
- end;
- procedure TTestResolver.TestClassInterface_OverloadHint;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' IBird = interface',
- ' procedure DoIt;',
- ' end;',
- 'begin']);
- ParseProgram;
- CheckResolverHint(mtHint,nFunctionHidesIdentifier_NonVirtualMethod,'function hides identifier at "afile.pp(4,19)". Use overload or reintroduce');
- end;
- procedure TTestResolver.TestClassInterface_OverloadNoHint;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' procedure DoIt(i: longint);',
- ' end;',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestClassInterface_IntfListClassFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TAnimal = class',
- ' end;',
- ' TBird = class(TObject,TAnimal)',
- ' end;',
- 'begin']);
- CheckResolverException('interface type expected, but class type found',nXExpectedButYFound);
- end;
- procedure TTestResolver.TestClassInterface_IntfListDuplicateFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' end;',
- ' IA = interface',
- ' end;',
- ' IB = IA;',
- ' TObject = class(IA,IB)',
- ' end;',
- 'begin']);
- CheckResolverException('Duplicate identifier "IB" at 1',nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestClassInterface_MissingMethodFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' TObject = class(IUnknown)',
- ' end;',
- 'begin']);
- CheckResolverException('No matching implementation for interface method "procedure IUnknown.DoIt of Object" found',
- nNoMatchingImplForIntfMethodXFound);
- end;
- procedure TTestResolver.TestClassInterface_MissingAncestorMethodFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' IBird = interface',
- ' end;',
- ' TObject = class(IBird)',
- ' end;',
- 'begin']);
- CheckResolverException('No matching implementation for interface method "procedure IUnknown.DoIt of Object" found',
- nNoMatchingImplForIntfMethodXFound);
- end;
- procedure TTestResolver.TestClassInterface_DefaultProperty;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' end;',
- ' IA = interface',
- ' function GetItems(Index: longint): boolean;',
- ' procedure SetItems(Index: longint; Value: boolean);',
- ' property Items[IndeX: longint]: boolean read GetItems write SetItems; default;',
- ' end;',
- ' IB = IA;',
- ' TObject = class(IB)',
- ' strict private',
- ' function GetItems(Index: longint): boolean; virtual; abstract;',
- ' procedure SetItems(Index: longint; Value: boolean); virtual; abstract;',
- ' end;',
- 'var',
- ' a: IA;',
- ' b: IB;',
- 'begin',
- ' a[1]:=a[2];',
- ' b[3]:=b[4];']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_MethodResolution;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt(i: longint);',
- ' procedure DoIt(s: string);',
- ' function DoIt(b: boolean): boolean;',
- ' function GetIt: longint;',
- ' end;',
- ' TObject = class(IUnknown)',
- ' procedure IUnknown.DoIt = DoSome;',
- ' function IUnknown.GetIt = GetIt;',
- ' procedure DoSome(i: longint); virtual; abstract;',
- ' procedure DoSome(s: string); virtual; abstract;',
- ' function GetIt: longint; virtual; abstract;',
- ' function DoIt(b: boolean): boolean; virtual; abstract;',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_MethodResolutionDuplicateFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' TObject = class(IUnknown)',
- ' procedure IUnknown.DoIt = DoSome;',
- ' procedure IUnknown.DoIt = DoMore;',
- ' procedure DoSome; virtual; abstract;',
- ' procedure DoMore; virtual; abstract;',
- ' end;',
- 'begin']);
- CheckResolverException('Duplicate identifier "procedure IUnknown.DoIt" at afile.pp(7,14) at afile.pp (8,24)',nDuplicateIdentifier);
- end;
- procedure TTestResolver.TestClassInterface_DelegationIntf;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' IBird = interface',
- ' end;',
- ' TObject = class(IUnknown, IBird)',
- ' function GetI: IBird; virtual; abstract;',
- ' property MyI: IBird read GetI implements IUnknown, IBird;',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_Delegation_DuplPropFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' IBird = interface',
- ' end;',
- ' TObject = class(IUnknown, IBird)',
- ' function GetI: IBird; virtual; abstract;',
- ' property MyI: IBird read GetI implements IBird;',
- ' property MyJ: IBird read GetI implements IBird;',
- ' end;',
- 'begin']);
- CheckResolverException('Duplicate implements for interface "IBird" at afile.pp(10,17)',
- nDuplicateImplementsForIntf);
- end;
- procedure TTestResolver.TestClassInterface_Delegation_MethodResFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' IBird = interface',
- ' end;',
- ' TObject = class(IUnknown, IBird)',
- ' function GetI: IBird; virtual; abstract;',
- ' procedure IBird.DoIt = DoSome;',
- ' procedure DoSome; virtual; abstract;',
- ' property MyI: IBird read GetI implements IBird;',
- ' end;',
- 'begin']);
- CheckResolverException('Cannot mix method resolution and delegation at afile.pp(12,17)',
- nCannotMixMethodResolutionAndDelegationAtX);
- end;
- procedure TTestResolver.TestClassInterface_DelegationClass;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' IBird = interface',
- ' end;',
- ' TObject = class',
- ' end;',
- ' TBird = class(IBird)',
- ' procedure DoIt; virtual; abstract;',
- ' end;',
- ' TEagle = class(IBird)',
- ' FBird: TBird;',
- ' property Bird: TBird read FBird implements IBird;',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_DelegationFQN;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' TObject = class',
- ' end;',
- ' TBird = class(IUnknown)',
- ' procedure DoIt; virtual; abstract;',
- ' end;',
- ' TEagle = class(IUnknown)',
- ' FBird: TBird;',
- ' property Bird: TBird read FBird implements afile.IUnknown;',
- ' end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_Assign;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' end;',
- ' IBird = interface',
- ' procedure Fly;',
- ' end;',
- ' IEagle = interface(IBird)',
- ' end;',
- ' TObject = class',
- ' end;',
- ' TBird = class(IBird)',
- ' procedure Fly; virtual; abstract;',
- ' end;',
- ' TAlbatros = class(TBird)',
- ' end;',
- 'var',
- ' i: IUnknown = nil;',
- ' e: IEagle;',
- ' b: IBird;',
- ' oBird,oBird2: TBird;',
- ' o: TObject;',
- ' a: TAlbatros;',
- ' p: pointer;',
- 'begin',
- ' if Assigned(i) then ;',
- ' if TypeInfo(i)=nil then ;',
- ' i:=nil;',
- ' i:=i;',
- ' i:=e;',
- ' if i=nil then ;',
- ' if i=e then ;',
- ' if e=i then ;',
- ' e:=IEagle(i);',
- ' if i is IEagle then ;',
- ' e:=i as IEagle;',
- ' b:=oBird;',
- ' b:=a;',
- ' i:=IBird(oBird);', // FPC needs GUID
- ' oBird2:=TBird(i);', // not supported by FPC
- ' oBird2:=TBird(e);', // not supported by FPC
- ' i:=o as IBird;', // FPC needs GUID
- ' oBird2:=i as TBird;',
- ' oBird2:=e as TBird;',
- ' if o is IBird then ;', // FPC needs GUID
- ' if i is TBird then ;',
- ' if e is TBird then ;',
- ' p:=i;',
- ' if p=i then ;',
- ' if i=p then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_AssignObjVarIntfVarFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' end;',
- ' TObject = class(IUnknown)',
- ' end;',
- 'var',
- ' i: IUnknown;',
- ' o: TObject;',
- 'begin',
- ' o:=i;',
- '']);
- CheckResolverException('Incompatible types: got "IUnknown" expected "TObject"',nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestClassInterface_AssignDescendentFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' end;',
- ' IBird = interface',
- ' end;',
- ' TObject = class(IBird)',
- ' end;',
- 'var',
- ' i: IUnknown;',
- ' o: TObject;',
- 'begin',
- ' i:=o;',
- '']);
- CheckResolverException('Incompatible types: got "TObject" expected "IUnknown"',nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestClassInterface_Args;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' end;',
- ' IBird = interface',
- ' end;',
- ' TObject = class',
- ' end;',
- ' TBird = class(IBird)',
- ' end;',
- 'function GetIt(var u; i: IBird; const j: IBird): IBird;',
- 'begin',
- ' Result:=IBird(u);',
- ' Result:=i;',
- ' Result:=j;',
- 'end;',
- 'procedure Change(var i: IBird; out j: IBird);',
- 'begin',
- ' i:=GetIt(i,i,i);',
- 'end;',
- 'var',
- ' i: IBird;',
- ' o: TBird;',
- 'begin',
- ' i:=GetIt(i,i,i);',
- ' Change(i,i);',
- ' GetIt(i,o,o);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_Enumerator;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TItem = TObject;',
- ' TEnumerator = class',
- ' FCurrent: TItem;',
- ' property Current: TItem read FCurrent;',
- ' function MoveNext: boolean;',
- ' end;',
- ' IUnknown = interface end;',
- ' IEnumerator = interface',
- ' function GetCurrent: TItem;',
- ' property Current: TItem read GetCurrent;',
- ' function MoveNext: boolean;',
- ' end;',
- ' IEnumerable = interface',
- ' function GetEnumerator: IEnumerator;',
- ' end;',
- ' IBird = interface',
- ' function GetEnumerator: TEnumerator;',
- ' end;',
- 'function TEnumerator.MoveNext: boolean;',
- 'begin',
- 'end;',
- 'var',
- ' e: IEnumerable;',
- ' b: IBird;',
- ' i: TItem;',
- ' {#i2}i2: TItem;',
- 'begin',
- ' for i in e do {@i2}i2:=i;',
- ' for i in b do {@i2}i2:=i;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassInterface_PassTypecastClassToIntfAsVarParamFail;
- begin
- StartProgram(false);
- Add([
- '{$interfaces corba}',
- 'type',
- ' IUnknown = interface end;',
- ' TObject = class end;',
- ' TBall = class(IUnknown) end;',
- 'procedure DoIt(var i: IUnknown); begin end;',
- 'var b: TBall;',
- 'begin',
- ' DoIt(IUnknown(b));']);
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.
- TestClassInterface_PassTypecastIntfToClassAsVarParamFail;
- begin
- StartProgram(false);
- Add([
- '{$interfaces corba}',
- 'type',
- ' IUnknown = interface end;',
- ' TObject = class end;',
- ' TBall = class(IUnknown) end;',
- 'procedure DoIt(var i: IUnknown); begin end;',
- 'var i: IUnknown;',
- 'begin',
- ' DoIt(TBall(i));']);
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestClassInterface_GUID;
- begin
- StartProgram(false);
- Add([
- '{$interfaces corba}',
- 'type',
- ' IUnknown = interface',
- ' [''{F31DB68F-3010-D355-4EBA-CDD4EF4A737C}'']',
- ' end;',
- ' TObject = class end;',
- ' TGUID = record D1,D2,D3,D4: word; end;',
- ' TAliasGUID = TGUID;',
- ' TGUIDString = type string;',
- ' TAliasGUIDString = TGUIDString;',
- 'procedure {#A}DoIt(const g: TAliasGUID); overload;',
- 'begin end;',
- 'procedure {#B}DoIt(const s: TAliasGUIDString); overload;',
- 'begin end;',
- 'var',
- ' i: IUnknown;',
- ' g: TAliasGUID = ''{D91C9AF4-3C93-420F-A303-BF5BA82BFD23}'';',
- ' s: TAliasGUIDString;',
- 'begin',
- ' {@A}DoIt(IUnknown);',
- ' {@A}DoIt(i);',
- ' g:=i;',
- ' g:=IUnknown;',
- ' g:=''{D91C9AF4-3C93-420F-A303-BF5BA82BFD23}'';',
- ' s:=g;',
- ' s:=IUnknown;',
- ' s:=i;',
- ' {@B}DoIt(s);',
- ' if s=IUnknown then ;',
- ' if IUnknown=s then ;',
- ' if s=i then ;',
- ' if i=s then ;',
- ' if g=IUnknown then ;',
- ' if IUnknown=g then ;',
- ' if g=i then ;',
- ' if i=g then ;',
- ' if s=g then ;',
- ' if g=s then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyAssign;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: longint;');
- Add(' property B: longint read FB write FB;');
- Add(' end;');
- Add('var');
- Add(' o: TObject;');
- Add(' i: longint;');
- Add('begin');
- Add(' {#a1_read}o.{#a2_assign}B:=i;');
- Add(' i:={#b1_read}o.{#b2_read}B;');
- Add(' if i={#c1_read}o.{#c2_read}B then ;');
- Add(' if {#d1_read}o.{#d2_read}B=3 then ;');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestPropertyAssignReadOnlyFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: longint;');
- Add(' property B: longint read FB;');
- Add(' end;');
- Add('var');
- Add(' o: TObject;');
- Add('begin');
- Add(' o.B:=3;');
- CheckResolverException('No member is provided to access property',nPropertyNotWritable);
- end;
- procedure TTestResolver.TestProperty_PassAsParam;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proPropertyAsVarParam];
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FA: longint;');
- Add(' property A: longint read FA write FA;');
- Add(' end;');
- Add('procedure DoIt(i: longint; const j: longint; var k: longint; out l: longint);');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' o: TObject;');
- Add('begin');
- Add(' DoIt({#o1_read}o.{#o_a1_read}a,');
- Add(' {#o2_read}o.{#o_a2_read}a,');
- Add(' {#o3_read}o.{#o_a3_var}a,');
- Add(' {#o4_read}o.{#o_a4_out}a);');
- Add(' with o do');
- Add(' DoIt({#w_a1_read}a,');
- Add(' {#w_a2_read}a,');
- Add(' {#w_a3_var}a,');
- Add(' {#w_a4_out}a);');
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestPropertyReadNonReadableFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' FB: longint;');
- Add(' property B: longint write FB;');
- Add(' end;');
- Add('var');
- Add(' o: TObject;');
- Add('begin');
- Add(' if o.B=3 then;');
- CheckResolverException('not readable',nNotReadable);
- end;
- procedure TTestResolver.TestWithBlock1;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' {#TOBJ_A}A: longint;');
- Add(' end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#a}a: longint;');
- Add('begin');
- Add(' {@a}a:=1;');
- Add(' with {@o}o do');
- Add(' {@TOBJ_A}a:=2;');
- ParseProgram;
- end;
- procedure TTestResolver.TestWithBlock2;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' {#TOBJ_i}i: longint;');
- Add(' end;');
- Add(' {#TA}TClassA = class');
- Add(' {#TA_j}j: longint;');
- Add(' {#TA_b}{=TA}b: TClassA;');
- Add(' end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#a}{=TA}a: TClassA;');
- Add(' {#i}i: longint;');
- Add('begin');
- Add(' {@i}i:=1;');
- Add(' with {@o}o do');
- Add(' {@TOBJ_i}i:=2;');
- Add(' {@i}i:=1;');
- Add(' with {@o}o,{@a}a do begin');
- Add(' {@TOBJ_i}i:=3;');
- Add(' {@TA_j}j:=4;');
- Add(' {@TA_b}b:={@a}a;');
- Add(' end;');
- ParseProgram;
- end;
- procedure TTestResolver.TestWithBlockFuncResult;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' {#TOBJ_i}i: longint;');
- Add(' end;');
- Add(' {#TA}TClassA = class');
- Add(' {#TA_j}j: longint;');
- Add(' {#TA_b}{=TA}b: TClassA;');
- Add(' end;');
- Add('function {#GiveA}Give: TClassA;');
- Add('begin');
- Add('end;');
- Add('function {#GiveB}Give(i: longint): TClassA;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#a}{=TA}a: TClassA;');
- Add(' {#i}i: longint;');
- Add('begin');
- Add(' with {@GiveA}Give do {@TOBJ_i}i:=3;');
- Add(' with {@GiveA}Give() do {@TOBJ_i}i:=3;');
- Add(' with {@GiveB}Give(2) do {@TOBJ_i}i:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestWithBlockConstructor;
- begin
- StartProgram(false);
- Add('type');
- Add(' {#TOBJ}TObject = class');
- Add(' {#TOBJ_i}i: longint;');
- Add(' end;');
- Add(' {#TA}TClassA = class');
- Add(' {#TA_j}j: longint;');
- Add(' {#TA_b}{=TA}b: TClassA;');
- Add(' constructor {#A_CreateA}Create;');
- Add(' constructor {#A_CreateB}Create(i: longint);');
- Add(' end;');
- Add('constructor TClassA.Create;');
- Add('begin');
- Add('end;');
- Add('constructor TClassA.Create(i: longint);');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' {#o}{=TOBJ}o: TObject;');
- Add(' {#a}{=TA}a: TClassA;');
- Add(' {#i}i: longint;');
- Add('begin');
- Add(' with TClassA.{@A_CreateA}Create do {@TOBJ_i}i:=3;');
- Add(' with TClassA.{@A_CreateA}Create() do {@TOBJ_i}i:=3;');
- Add(' with TClassA.{@A_CreateB}Create(2) do {@TOBJ_i}i:=3;');
- ParseProgram;
- end;
- procedure TTestResolver.TestDynArrayOfLongint;
- begin
- StartProgram(false);
- Add('type TIntArray = array of longint;');
- Add('var a: TIntArray;');
- Add('begin');
- Add(' a:=nil;');
- Add(' if a=nil then ;');
- Add(' if nil=a then ;');
- Add(' SetLength(a,3);');
- Add(' a[0]:=1;');
- Add(' a[1]:=length(a);');
- Add(' a[2]:=a[0];');
- Add(' if a[3]=a[4] then ;');
- Add(' a[a[5]]:=a[a[6]];');
- ParseProgram;
- end;
- procedure TTestResolver.TestStaticArray;
- begin
- StartProgram(false);
- Add('type');
- Add(' TArrA = array[1..2] of longint;');
- Add(' TArrB = array[char] of boolean;');
- Add(' TArrC = array[byte,''a''..''z''] of longint;');
- Add('const');
- Add(' ArrA: TArrA = (3,4);');
- Add('var');
- Add(' a: TArrA;');
- Add(' b: TArrB;');
- Add(' c: TArrC;');
- Add('begin');
- Add(' a[1]:=1;');
- Add(' if a[2]=low(a) then ;');
- Add(' b[''x'']:=true;');
- Add(' if b[''y''] then ;');
- Add(' c[3,''f'']:=1;');
- Add(' if c[4,''g'']=a[1] then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestStaticArrayOfChar;
- begin
- ResolverEngine.ExprEvaluator.DefaultStringCodePage:=CP_UTF8;
- StartProgram(false);
- Add([
- 'type',
- ' TArrA = array[1..3] of char;',
- 'const',
- ' A: TArrA = (''p'',''a'',''p'');', // duplicate allowed, this bracket is not a set
- ' B: TArrA = ''pas'';',
- ' Three = length(TArrA);',
- ' C: array[1..Three] of char = ''pas'';',
- ' D = ''pp'';',
- ' E: array[length(D)..Three] of char = D;',
- ' F: array[1..2] of widechar = ''äö'';',
- ' G: array[1..2] of char = ''ä'';',
- ' H: array[1..4] of char = ''äö'';',
- ' I: array[1..4] of char = ''ä''+''ö'';',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestStaticArrayOfCharDelphi;
- begin
- ResolverEngine.ExprEvaluator.DefaultStringCodePage:=CP_UTF8;
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TArrA = array[1..3] of char;',
- 'const',
- ' A: TArrA = (''p'',''a'',''p'');', // duplicate allowed, this bracket is not a set
- ' B: TArrA = ''pas'';',
- ' Three = length(TArrA);',
- ' C: array[1..Three] of char = ''pas'';',
- ' D = ''pp'';',
- ' E: array[length(D)..Three] of char = D;',
- ' F: array[1..2] of widechar = ''äö'';',
- ' G: array[1..2] of char = ''ä'';',
- ' H: array[1..4] of char = ''äö'';',
- ' I: array[1..4] of char = ''ä''+''ö'';',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestStaticArrayOfRangeElCheckFail;
- begin
- StartProgram(false);
- Add('var');
- Add(' A: array[1..2] of shortint = (1,300);');
- Add('begin');
- ParseProgram;
- CheckResolverHint(mtWarning,nRangeCheckEvaluatingConstantsVMinMax,
- 'range check error while evaluating constants (300 is not between -128 and 127)');
- end;
- procedure TTestResolver.TestArrayOfArray;
- begin
- StartProgram(false);
- Add('type');
- Add(' TArrA = array[byte] of longint;');
- Add(' TArrB = array[smallint] of TArrA;');
- Add(' TArrC = array of array of longint;');
- Add('var');
- Add(' b: TArrB;');
- Add(' c: TArrC;');
- Add('begin');
- Add(' b[1][2]:=5;');
- Add(' b[1,2]:=5;');
- Add(' if b[2,1]=b[0,1] then ;');
- Add(' c[3][4]:=c[5,6];');
- Add(' Setlength(c[3],7);');
- Add(' Setlength(c,8,9);');
- ParseProgram;
- end;
- procedure TTestResolver.TestArrayOfArray_NameAnonymous;
- begin
- ResolverEngine.AnonymousElTypePostfix:='$array';
- StartProgram(false);
- Add('type');
- Add(' TArrA = array of array of longint;');
- Add('var');
- Add(' a: TArrA;');
- Add('begin');
- Add(' a[1][2]:=5;');
- Add(' a[1,2]:=5;');
- Add(' if a[2,1]=a[0,1] then ;');
- Add(' a[3][4]:=a[5,6];');
- ParseProgram;
- end;
- procedure TTestResolver.TestFunctionReturningArray;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TArrA = array[1..20] of longint;',
- ' TArrB = array of TArrA;',
- 'function FuncC: TArrB;',
- 'begin',
- ' SetLength(Result,3);',
- 'end;',
- 'begin',
- ' FuncC[2,4]:=6;',
- ' FuncC()[1,3]:=5;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_LowHigh;
- begin
- StartProgram(false);
- Add('type');
- Add(' TArrA = array[char] of longint;');
- Add(' TArrB = array of TArrA;');
- Add('var');
- Add(' c: char;');
- Add(' i: longint;');
- Add('begin');
- Add(' for c:=low(TArrA) to High(TArrA) do ;');
- Add(' for i:=low(TArrB) to High(TArrB) do ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_LowVarFail;
- begin
- StartProgram(false);
- Add([
- 'var a: array of longint;',
- 'const l = length(a);',
- 'begin']);
- CheckResolverException(sConstantExpressionExpected,nConstantExpressionExpected);
- end;
- procedure TTestResolver.TestArray_AssignDiffElTypeFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TArrA = array of longint;');
- Add(' TArrB = array of byte;');
- Add('var');
- Add(' a: TArrA;');
- Add(' b: TArrB;');
- Add('begin');
- Add(' a:=b;');
- CheckResolverException('Incompatible types: got "array of Longint" expected "array of Byte"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArray_AssignSameSignatureDelphiFail;
- begin
- StartProgram(false);
- Add('{$mode delphi}');
- Add('type');
- Add(' TArrA = array of longint;');
- Add(' TArrB = array of longint;');
- Add('var');
- Add(' a: TArrA;');
- Add(' b: TArrB;');
- Add('begin');
- Add(' a:=b;');
- CheckResolverException('Incompatible types: got "TArrB" expected "TArrA"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArray_Assigned;
- begin
- StartProgram(false);
- Add('var a: array of longint;');
- Add('begin');
- Add(' if Assigned(a) then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestPropertyOfTypeArray;
- begin
- StartProgram(false);
- Add('type');
- Add(' TArray = array of longint;');
- Add(' TObject = class');
- Add(' FItems: TArray;');
- Add(' function GetItems: TArray;');
- Add(' procedure SetItems(Value: TArray);');
- Add(' property Items: TArray read FItems write FItems;');
- Add(' property Numbers: TArray read GetItems write SetItems;');
- Add(' end;');
- Add('function TObject.GetItems: TArray;');
- Add('begin');
- Add(' Result:=FItems;');
- Add('end;');
- Add('procedure TObject.SetItems(Value: TArray);');
- Add('begin');
- Add(' FItems:=Value;');
- Add('end;');
- Add('var Obj: TObject;');
- Add('begin');
- Add(' Obj.Items[3]:=4;');
- Add(' if Obj.Items[5]=6 then;');
- Add(' Obj.Numbers[7]:=8;');
- Add(' if Obj.Numbers[9]=10 then;');
- ParseProgram;
- end;
- procedure TTestResolver.TestArrayElementFromFuncResult_AsParams;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualImplicitCall: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add('type Integer = longint;');
- Add('type TArrayInt = array of integer;');
- Add('function GetArr(vB: integer = 0): tarrayint;');
- Add('begin');
- Add('end;');
- Add('procedure DoIt(vG: integer);');
- Add('begin');
- Add('end;');
- Add('begin');
- Add(' doit({#a}getarr[1+1]);');
- Add(' doit({#b}getarr()[2+1]);');
- Add(' doit({#b}getarr(7)[3+1]);');
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestArrayElementFromFuncResult_AsParams ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualImplicitCall:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestArrayElementFromFuncResult_AsParams ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if rrfImplicitCallWithoutParams in Ref.Flags then
- ActualImplicitCall:=true;
- break;
- end;
- case aMarker^.Identifier of
- 'a':
- if not ActualImplicitCall then
- RaiseErrorAtSrcMarker('expected rrfImplicitCallWithoutParams at "#'+aMarker^.Identifier+'"',aMarker);
- else
- if ActualImplicitCall then
- RaiseErrorAtSrcMarker('expected no rrfImplicitCallWithoutParams at "#'+aMarker^.Identifier+'"',aMarker);
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestArrayEnumTypeRange;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEnum = (red,blue);');
- Add(' TEnumArray = array[TEnum] of longint;');
- Add('var');
- Add(' e: TEnum;');
- Add(' i: longint;');
- Add(' a: TEnumArray;');
- Add(' names: array[TEnum] of string = (''red'',''blue'');');
- Add('begin');
- Add(' e:=low(a);');
- Add(' e:=high(a);');
- Add(' i:=a[red];');
- Add(' a[e]:=a[e];');
- ParseProgram;
- end;
- procedure TTestResolver.TestArrayEnumTypeConstNotEnoughValuesFail1;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEnum = (red,blue);');
- Add('var');
- Add(' a: array[TEnum] of string = (''red'');');
- Add('begin');
- CheckResolverException('Expect 2 array elements, but found 1',nExpectXArrayElementsButFoundY);
- end;
- procedure TTestResolver.TestArrayEnumTypeConstNotEnoughValuesFail2;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEnum = (red,blue,green);');
- Add('var');
- Add(' a: array[TEnum] of string = (''red'',''blue'');');
- Add('begin');
- CheckResolverException('Expect 3 array elements, but found 2',nExpectXArrayElementsButFoundY);
- end;
- procedure TTestResolver.TestArrayEnumTypeConstWrongTypeFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEnum = (red,blue);');
- Add('var');
- Add(' a: array[TEnum] of string = (1,2);');
- Add('begin');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArrayEnumTypeConstNonConstFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEnum = (red,blue);');
- Add('var');
- Add(' s: string;');
- Add(' a: array[TEnum] of string = (''red'',s);');
- Add('begin');
- CheckResolverException('Constant expression expected',
- nConstantExpressionExpected);
- end;
- procedure TTestResolver.TestArrayEnumTypeSetLengthFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEnum = (red,blue);');
- Add('var');
- Add(' a: array[TEnum] of longint;');
- Add('begin');
- Add(' SetLength(a,1);');
- CheckResolverException('Incompatible type arg no. 1: Got "static array[] of Longint", expected "string or dynamic array variable"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestArrayEnumCustomRange;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TEnum = (red,blue,green);',
- ' TEnumRg = blue..green;',
- ' TEnumArray = array[TEnumRg] of longint;',
- ' TEnumArray2 = array[blue..green] of longint;',
- 'var',
- ' e: TEnum;',
- ' r: TEnumRg;',
- ' i: longint;',
- ' a: TEnumArray;',
- ' b: array[TEnum] of longint;',
- ' c: TEnumArray2;',
- ' names: array[TEnumRg] of string = (''blue'',''green'');',
- 'begin',
- ' r:=low(a);',
- ' r:=high(a);',
- ' i:=a[red];',
- ' a[e]:=a[e];',
- ' a[r]:=a[r];',
- ' b[r]:=b[r];',
- ' r:=low(c);',
- ' r:=high(c);',
- ' i:=c[red];',
- ' c[e]:=c[e];',
- ' c[r]:=c[r];',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_DynArrayConstObjFPC;
- begin
- Parser.Options:=Parser.Options+[po_cassignments];
- Scanner.Options:=Scanner.Options+[po_cassignments];
- StartProgram(false);
- Add([
- '{$modeswitch arrayoperators}',
- 'type',
- ' integer = longint;',
- ' TArrInt = array of integer;',
- ' TArrStr = array of string;',
- 'const',
- ' Ints: TArrInt = (1,2,3);',
- ' Aliases: TarrStr = (''foo'',''b'');',
- ' OneInt: TArrInt = (7);',
- ' OneInt2: array of integer = (7);',
- ' Chars: array of char = ''aoc'';',
- ' Names: array of string = (''a'',''foo'');',
- ' NameCount = low(Names)+high(Names)+length(Names);',
- 'procedure DoIt(Ints: TArrInt);',
- 'begin',
- 'end;',
- 'var i: integer;',
- 'begin',
- ' Ints:= {#a_array}[1,i];',
- ' Ints:= {#b1_array}[1,1]+ {#b2_array}[2]+ {#b3_array}[i];',
- ' Ints:= {#c_array}[i]+ {#d_array}[2,2];',
- ' Ints:=Ints+ {#e_array}[1];',
- ' Ints:= {#f_array}[1]+Ints;',
- ' Ints:=Ints+OneInt+OneInt2;',
- ' Ints+= {#g_array}[i];',
- ' Ints+= {#h_array}[1,1];',
- ' DoIt( {#i_array}[1,1]);',
- ' DoIt( {#j_array}[i]);',
- '']);
- ParseProgram;
- CheckParamsExpr_pkSet_Markers;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestArray_DynArrayConstDelphi;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'const c= {#c_set}[1,2];',
- 'type',
- ' integer = longint;',
- ' TArrInt = array of integer;',
- ' TArrStr = array of string;',
- ' TArrInt2 = array of TArrInt;',
- ' TSetOfEnum = set of (red,blue);',
- ' TArrOfSet = array of TSetOfEnum;',
- 'const',
- ' Ints: TArrInt = {#ints_array}[1,2,1];',
- ' Aliases: TarrStr = {#aliases_array}[''foo'',''b'',''b''];',
- ' OneInt: TArrInt = {#oneint_array}[7];',
- ' TwoInt: array of integer = {#twoint1_array}[7]+{#twoint2_array}[8];',
- ' Chars: array of char = ''aoc'';',
- ' Names: array of string = {#names_array}[''a'',''a''];',
- ' NameCount = low(Names)+high(Names)+length(Names);',
- 'procedure {#DoArrOfSet}DoIt(const s: TArrOfSet); overload; begin end;',
- 'procedure {#DoArrOfArrInt}DoIt(const a: TArrInt2); overload; begin end;',
- 'begin',
- ' {@DoArrOfSet}DoIt( {#a1_array}[ {#a2_set}[blue], {#a3_set}[red] ]);',
- ' {@DoArrOfArrInt}DoIt( {#b1_array}[ {#b2_array}[1], {#b3_array}[2] ]);',
- '']);
- ParseProgram;
- CheckParamsExpr_pkSet_Markers;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestArray_DynArrAssignStaticDelphiFail;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TIntArr = array[1..3] of longint;',
- 'var',
- ' dyn: array of longint;',
- ' sta: TIntArr;',
- 'begin',
- ' dyn:=sta;']);
- CheckResolverException('Incompatible types: got "static array" expected "dynamic array"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArray_Static_Const;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TIntArr = array[1..3] of longint;',
- 'const',
- ' a = low(TIntArr)+high(TIntArr);',
- ' b: array[1..3] of longint = (10,11,12);',
- ' c: array[boolean] of TIntArr = ((21,22,23),(31,32,33));',
- 'begin']);
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestArray_Record_Const;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPoint = record x, y: longint; end;',
- ' TDynArray = array of TPoint;',
- ' TStaticArray = array[1..2] of TPoint;',
- ' TRecArr = record',
- ' DA: TDynArray;',
- ' SA: TStaticArray;',
- ' end;',
- 'const',
- ' sa: TStaticArray = ( (x:2; y:3), (x:12;y:14) );',
- ' da: TDynArray = ( (x:22; y:23), (x:32;y:34) );',
- ' ra: TRecArr = (',
- ' DA: ( (x:42; y:43), (x:44;y:45) );',
- ' SA: ( (x:51; y:52), (x:53;y:54) );',
- ' );',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_MultiDim_Const;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch arrayoperators}',
- 'type',
- ' TDynArray = array of longint;',
- ' TDynArray2 = array of TDynArray;',
- ' TArrOfArr = array[1..2] of TDynArray;',
- ' TMultiDimArr = array[1..2,3..4] of longint;',
- 'const',
- ' AoA: TArrOfArr = ( (1,2), (2,3) );',
- ' MultiDimArr: TMultiDimArr = ( (11,12), (13,14) );',
- ' A2: TDynArray2 = ( (1,2), (2,3) );',
- 'var',
- ' A: TDynArray;',
- 'procedure DoIt(const a: TDynArray2); begin end;',
- 'var i: longint;',
- 'begin',
- ' AoA:= {#a1_array}[ {#a2_array}[1], {#a3_array}[i] ];',
- ' AoA:= {#b1_array}[ {#b2_array}[i], A ];',
- ' AoA:= {#c1_array}[ {#c2_array}[i,2], {#c3_array}[2,i] ];',
- ' MultiDimArr:= {#d1_array}[ {#d2_array}[11,12], [13,14] ];',
- ' A2:= {#e1_array}[ {#e2_array}[1,2], {#e3_array}[2,3], {#e4_array}[i] ];',
- ' DoIt( {#f1_array}[ {#f2_array}[i,32], {#f3_array}[32,i] ]);',
- ' A2:= A2+ {#g1_array}[A];',
- ' A2:= {#h1_array}[A]+A2;',
- '']);
- ParseProgram;
- CheckParamsExpr_pkSet_Markers;
- end;
- procedure TTestResolver.TestArray_AssignNilToStaticArrayFail1;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEnum = (red,blue);');
- Add('var');
- Add(' a: array[TEnum] of longint;');
- Add('begin');
- Add(' a:=nil;');
- CheckResolverException('Incompatible types: got "Nil" expected "static array"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArray_SetLengthProperty;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proPropertyAsVarParam];
- StartProgram(false);
- Add('type');
- Add(' TArrInt = array of longint;');
- Add(' TObject = class');
- Add(' function GetColors: TArrInt; external name ''GetColors'';');
- Add(' procedure SetColors(const Value: TArrInt); external name ''SetColors'';');
- Add(' property Colors: TArrInt read GetColors write SetColors;');
- Add(' end;');
- Add('procedure DoIt(var i: longint; out j: longint; const k: longint); begin end;');
- Add('var Obj: TObject;');
- Add('begin');
- Add(' SetLength(Obj.Colors,2);');
- Add(' DoIt(Obj.Colors[1],Obj.Colors[2],Obj.Colors[3]);');
- ParseProgram;
- end;
- procedure TTestResolver.TestStaticArray_SetlengthFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TArrInt = array[1..3] of longint;');
- Add('var a: TArrInt;');
- Add('begin');
- Add(' SetLength(a,2);');
- CheckResolverException(sIncompatibleTypeArgNo,nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestArray_PassArrayElementToVarParam;
- begin
- StartProgram(false);
- Add('type');
- Add(' TArrInt = array of longint;');
- Add('procedure DoIt(var i: longint; out j: longint; const k: longint); begin end;');
- Add('var a: TArrInt;');
- Add('begin');
- Add(' DoIt(a[1],a[2],a[3]);');
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_OpenArrayOfString;
- begin
- StartProgram(false);
- Add([
- 'type TArrStr = array of string;',
- 'procedure DoIt(const a: array of String);',
- 'var',
- ' i: longint;',
- ' s: string;',
- 'begin',
- ' for i:=low(a) to high(a) do s:=a[length(a)-i-1];',
- 'end;',
- 'const arr: array[0..1] of string = (''A'', ''B'');',
- 'var s: string;',
- 'begin',
- ' DoIt([]);',
- ' DoIt([s,''foo'','''',s+s]);',
- ' DoIt(arr);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_OpenArrayOfString_IntFail;
- begin
- StartProgram(false);
- Add('procedure DoIt(const a: array of String);');
- Add('begin');
- Add('end;');
- Add('begin');
- Add(' DoIt([1]);');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArray_OpenArrayOverride;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' end;');
- Add(' Exception = class');
- Add(' constructor CreateFmt(const Msg: string; const Args: array of string); virtual;');
- Add(' end;');
- Add(' ESome = class(Exception)');
- Add(' constructor CreateFmt(const Msg: string; const Args: array of string); override;');
- Add(' end;');
- Add('constructor Exception.CreateFmt(const Msg: string; const Args: array of string);');
- Add('begin end;');
- Add('constructor ESome.CreateFmt(const Msg: string; const Args: array of string);');
- Add('begin');
- Add(' inherited CreateFmt(Msg,Args);');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_OpenArrayAsDynArraySetLengthFail;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt(a: array of byte);',
- 'begin',
- ' SetLength(a,3);',
- 'end;',
- 'begin']);
- CheckResolverException('Incompatible type arg no. 1: Got "open array of Byte", expected "string or dynamic array variable"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestArray_OpenArrayAsDynArray;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proOpenAsDynArrays];
- StartProgram(false);
- Add([
- '{$modeswitch arrayoperators}',
- 'type TArrStr = array of string;',
- 'procedure DoStr(const a: TArrStr); forward;',
- 'procedure DoIt(a: array of String);',
- 'var',
- ' i: longint;',
- ' s: string;',
- 'begin',
- ' SetLength(a,3);',
- ' DoStr(a);',
- ' DoStr(a+[s]);',
- ' DoStr([s]+a);',
- 'end;',
- 'procedure DoStr(const a: TArrStr);',
- 'var s: string;',
- 'begin',
- ' DoIt(a);',
- ' DoIt(a+[s]);',
- ' DoIt([s]+a);',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_OpenArrayDelphi;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TDynArrInt = array of byte;',
- ' TStaArrInt = array[1..2] of byte;',
- 'procedure DoIt(a: array of byte);',
- 'var',
- ' d: TDynArrInt;',
- ' s: TStaArrInt;',
- 'begin',
- ' DoIt(a);',
- ' // d:=s; forbidden in delphi', // see TestArray_DynArrAssignStaticDelphiFail
- ' // d:=a; forbidden in delphi',
- ' DoIt(d);',
- ' DoIt(s);',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_CopyConcat;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch arrayoperators}',
- 'type',
- ' integer = longint;',
- ' TArrayInt = array of integer;',
- ' TFlag = (red, blue);',
- ' TArrayFlag = array of TFlag;',
- 'function Get(A: TArrayInt): TArrayInt; begin end;',
- 'var',
- ' i: integer;',
- ' A: TArrayInt;',
- ' FA: TArrayFlag;',
- 'begin',
- ' A:=Copy(A);',
- ' A:=Copy(A,1);',
- ' A:=Copy(A,2,3);',
- ' A:=Copy(Get(A),2,3);',
- ' Get(Copy(A));',
- ' A:=Concat(A);',
- ' A:=Concat(A,Get(A));',
- ' A:=Copy( {#a_array}[1]);',
- ' A:=Copy( {#b1_array}[1]+ {#b2_array}[2,3]);',
- ' A:=Concat( {#c_array}[1]);',
- ' A:=Concat( {#d1_array}[1], {#d2_array}[2,3]);',
- ' FA:=concat([red]);',
- ' FA:=concat([red],FA);',
- '']);
- ParseProgram;
- CheckParamsExpr_pkSet_Markers;
- end;
- procedure TTestResolver.TestStaticArray_CopyConcat;
- begin
- exit;
- //ResolverEngine.Options:=ResolverEngine.Options+[proStaticArrayCopy,proStaticArrayConcat];
- StartProgram(false);
- Add([
- 'type',
- ' integer = longint;',
- ' TArrayInt = array of integer;',
- ' TThreeInts = array[1..3] of integer;',
- 'function Get(A: TThreeInts): TThreeInts; begin end;',
- 'var',
- ' i: integer;',
- ' A: TArrayInt;',
- ' S: TThreeInts;',
- 'begin',
- ' A:=Copy(S);',
- ' A:=Copy(S,1);',
- ' A:=Copy(S,2,3);',
- ' A:=Copy(Get(S),2,3);',
- ' A:=Concat(S,Get(S));']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_CopyMismatchFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TArrayInt = array of integer;');
- Add(' TArrayStr = array of string;');
- Add('var');
- Add(' i: integer;');
- Add(' A: TArrayInt;');
- Add(' B: TArrayStr;');
- Add('begin');
- Add(' A:=Copy(B);');
- CheckResolverException('Incompatible types: got "array of integer" expected "array of String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArray_InsertDeleteAccess;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch arrayoperators}',
- 'type',
- ' integer = longint;',
- ' TArrayInt = array of integer;',
- ' TArrArrInt = array of TArrayInt;',
- 'var',
- ' i: integer;',
- ' A: TArrayInt;',
- ' A2: TArrArrInt;',
- 'begin',
- ' Insert({#a1_read}i+1,{#a2_var}A,{#a3_read}i+2);',
- ' Insert([i],A2,i+2);',
- ' Insert(A+[1],A2,i+2);',
- ' Delete({#b1_var}A,{#b2_read}i+3,{#b3_read}i+4);']);
- ParseProgram;
- CheckAccessMarkers;
- end;
- procedure TTestResolver.TestArray_InsertArray;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch arrayoperators}',
- 'type',
- ' integer = longint;',
- ' TArrayInt = array of integer;',
- ' TArrArrInt = array of TArrayInt;',
- ' TCol = (red,blue);',
- ' TSetCol = set of TCol;',
- ' TArrayCol = array of TCol;',
- ' TArrArrCol = array of TArrayCol;',
- ' TArrSetCol = array of TSetCol;',
- 'var',
- ' i: integer;',
- ' ArrInt: TArrayInt;',
- ' ArrArrInt: TArrArrInt;',
- ' ArrArrCol: TArrArrCol;',
- ' ArrSetCol: TArrSetCol;',
- 'begin',
- ' Insert( {#a_array}[1], ArrArrInt, i+2);',
- ' Insert( {#b_array}[i], ArrArrInt, 3);',
- ' Insert( ArrInt+ {#c_array}[1], ArrArrInt, 4);',
- ' Insert( {#d_set}[red], ArrSetCol, 5);',
- ' Insert( {#e_array}[red], ArrArrCol, 6);',
- '']);
- ParseProgram;
- CheckParamsExpr_pkSet_Markers;
- end;
- procedure TTestResolver.TestStaticArray_InsertFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TArrayInt = array[1..3] of integer;');
- Add('var');
- Add(' i: integer;');
- Add(' A: TArrayInt;');
- Add('begin');
- Add(' Insert(1,A,i);');
- CheckResolverException(sIncompatibleTypeArgNo,nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestStaticArray_DeleteFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TArrayInt = array[1..3] of integer;');
- Add('var');
- Add(' i: integer;');
- Add(' A: TArrayInt;');
- Add('begin');
- Add(' Delete(A,i,1);');
- CheckResolverException(sIncompatibleTypeArgNo,nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestArray_InsertItemMismatchFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TCaption = string;');
- Add(' TArrayCap = array of TCaption;');
- Add('var');
- Add(' i: longint;');
- Add(' A: TArrayCap;');
- Add('begin');
- Add(' Insert(i,{#a2_var}A,2);');
- CheckResolverException('Incompatible types: got "Longint" expected "String"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArray_TypeCast;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TArrIntA = array of integer;');
- Add(' TArrIntB = array of longint;');
- Add(' TArrIntC = array of integer;');
- Add('var');
- Add(' a: TArrIntA;');
- Add(' b: TArrIntB;');
- Add(' c: TArrIntC;');
- Add('begin');
- Add(' a:=TArrIntA(a);');
- Add(' a:=TArrIntA(b);');
- Add(' a:=TArrIntA(c);');
- ParseProgram;
- end;
- procedure TTestResolver.TestArray_TypeCastWrongElTypeFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TArrInt = array of integer;');
- Add(' TArrStr = array of string;');
- Add('var');
- Add(' a: TArrInt;');
- Add(' s: TArrStr;');
- Add('begin');
- Add(' a:=TArrInt(s);');
- CheckResolverException('Illegal type conversion: "TArrStr" to "TArrInt"',
- nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestArray_ConstDynArrayWrite;
- begin
- StartProgram(false);
- Add('type');
- Add(' TArrInt = array of longint;');
- Add('Procedure DoIt(const a: tarrint);');
- Add('begin');
- Add(' a[2]:=3;'); // FPC allows this for dynamic arrays
- Add('end;');
- Add('begin');
- ParseProgram;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestArray_ConstOpenArrayWriteFail;
- begin
- StartProgram(false);
- Add('Procedure DoIt(const a: array of longint);');
- Add('begin');
- Add(' a[2]:=3;');
- Add('end;');
- Add('begin');
- CheckResolverException('Variable identifier expected',nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestArray_ForIn;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch arrayoperators}',
- 'var',
- ' a: array of longint;',
- ' s: array[1,2] of longint;',
- ' i: longint;',
- 'begin',
- ' for i in a do ;',
- ' for i in s do ;',
- ' for i in a+ {#a_array}[1] do ;',
- ' for i in {#b1_set}[1]+ {#b2_set}[2] do ;',
- ' for i in {#c_set}[1,2] do ;',
- '']);
- ParseProgram;
- CheckParamsExpr_pkSet_Markers;
- end;
- procedure TTestResolver.TestArray_Arg_AnonymousStaticFail;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt(args: array[1..2] of word);',
- 'begin',
- 'end;',
- 'begin']);
- CheckParserException('Expected "of"',nParserExpectTokenError);
- end;
- procedure TTestResolver.TestArray_Arg_AnonymousMultiDimFail;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt(args: array of array of word);',
- 'begin',
- 'end;',
- 'begin']);
- CheckParserException(SParserExpectedIdentifier,nParserExpectedIdentifier);
- end;
- procedure TTestResolver.TestArrayOfConst;
- begin
- StartProgram(true,[supTVarRec]);
- Add([
- 'type',
- ' TArrOfVarRec = array of TVarRec;',
- 'procedure DoIt(args: array of const);',
- 'var',
- ' i: longint;',
- ' v: TVarRec;',
- ' a: TArrOfVarRec;',
- ' sa: array[1..2] of TVarRec;',
- 'begin',
- ' DoIt(args);',
- ' DoIt(a);',
- ' DoIt([]);',
- ' DoIt([1]);',
- ' DoIt([i]);',
- ' DoIt([true,''foo'',''c'',1.3,nil,@DoIt]);',
- ' for i:=low(args) to high(args) do begin',
- ' v:=args[i];',
- ' case args[i].VType of',
- ' vtInteger: if length(args)=args[i].VInteger then ;',
- ' end;',
- ' end;',
- ' for v in Args do ;',
- ' args:=sa;',
- 'end;',
- 'begin']);
- ParseProgram;
- end;
- procedure TTestResolver.TestArrayOfConst_PassDynArrayOfIntFail;
- begin
- StartProgram(true,[supTVarRec]);
- Add([
- 'type',
- ' TArr = array of word;',
- 'procedure DoIt(args: array of const);',
- 'begin',
- 'end;',
- 'var a: TArr;',
- 'begin',
- ' DoIt(a)']);
- CheckResolverException('Incompatible type arg no. 1: Got "TArr", expected "array of const"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestArrayOfConst_AssignNilFail;
- begin
- StartProgram(true,[supTVarRec]);
- Add([
- 'type',
- ' TArr = array of word;',
- 'procedure DoIt(args: array of const);',
- 'begin',
- ' args:=nil;',
- 'end;',
- 'begin']);
- CheckResolverException('Incompatible types: got "Nil" expected "array of const"',nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestArrayOfConst_SetLengthFail;
- begin
- StartProgram(true,[supTVarRec]);
- Add([
- 'type',
- ' TArr = array of word;',
- 'procedure DoIt(args: array of const);',
- 'begin',
- ' SetLength(args,2);',
- 'end;',
- 'begin']);
- CheckResolverException('Incompatible type arg no. 1: Got "array of const", expected "string or dynamic array variable"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestArrayIntRange_OutOfRange;
- begin
- StartProgram(false);
- Add([
- 'type TArr = array[1..2] of longint;',
- 'var a: TArr;',
- 'begin',
- ' a[0]:=3;',
- '']);
- ParseProgram;
- CheckResolverHint(mtWarning,nRangeCheckEvaluatingConstantsVMinMax,
- 'range check error while evaluating constants (0 is not between 1 and 2)');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestArrayIntRange_OutOfRangeError;
- begin
- StartProgram(false);
- Add([
- '{$R+}',
- 'type TArr = array[1..2] of longint;',
- 'var a: TArr;',
- 'begin',
- ' a[0]:=3;',
- '']);
- CheckResolverException('range check error while evaluating constants (0 is not between 1 and 2)',
- nRangeCheckEvaluatingConstantsVMinMax);
- end;
- procedure TTestResolver.TestArrayCharRange_OutOfRange;
- begin
- StartProgram(false);
- Add([
- 'type TArr = array[''a''..''b''] of longint;',
- 'var a: TArr;',
- 'begin',
- ' a[''0'']:=3;',
- '']);
- ParseProgram;
- CheckResolverHint(mtWarning,nRangeCheckEvaluatingConstantsVMinMax,
- 'range check error while evaluating constants (''0'' is not between ''a'' and ''b'')');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestProcTypesAssignObjFPC;
- begin
- StartProgram(false);
- Add('type');
- Add(' TProcedure = procedure;');
- Add(' TFunctionInt = function:longint;');
- Add(' TFunctionIntFunc = function:TFunctionInt;');
- Add(' TFunctionIntFuncFunc = function:TFunctionIntFunc;');
- Add('function GetNumber: longint;');
- Add('begin');
- Add(' Result:=3;');
- Add('end;');
- Add('function GetNumberFunc: TFunctionInt;');
- Add('begin');
- Add(' Result:=@GetNumber;');
- Add('end;');
- Add('function GetNumberFuncFunc: TFunctionIntFunc;');
- Add('begin');
- Add(' Result:=@GetNumberFunc;');
- Add('end;');
- Add('var');
- Add(' i: longint;');
- Add(' f: TFunctionInt;');
- Add(' ff: TFunctionIntFunc;');
- Add('begin');
- Add(' i:=GetNumber; // omit ()');
- Add(' i:=GetNumber();');
- Add(' i:=GetNumberFunc()();');
- Add(' i:=GetNumberFuncFunc()()();');
- Add(' if i=GetNumberFunc()() then ;');
- Add(' if GetNumberFunc()()=i then ;');
- Add(' if i=GetNumberFuncFunc()()() then ;');
- Add(' if GetNumberFuncFunc()()()=i then ;');
- Add(' f:=nil;');
- Add(' if f=nil then ;');
- Add(' if nil=f then ;');
- Add(' if Assigned(f) then ;');
- Add(' f:=f;');
- Add(' f:=@GetNumber;');
- Add(' f:=GetNumberFunc; // not in Delphi');
- Add(' f:=GetNumberFunc(); // not in Delphi');
- Add(' f:=GetNumberFuncFunc()();');
- Add(' if f=f then ;');
- Add(' if i=f then ;');
- Add(' if i=f() then ;');
- Add(' if f()=i then ;');
- Add(' if f()=f() then ;');
- Add(' if f=@GetNumber then ;');
- Add(' if @GetNumber=f then ;');
- Add(' if f=GetNumberFunc then ;');
- Add(' if f=GetNumberFunc() then ;');
- Add(' if f=GetNumberFuncFunc()() then ;');
- Add(' ff:=nil;');
- Add(' if ff=nil then ;');
- Add(' if nil=ff then ;');
- Add(' ff:=ff;');
- Add(' if ff=ff then ;');
- Add(' ff:=@GetNumberFunc;');
- Add(' ff:=GetNumberFuncFunc; // not in Delphi');
- Add(' ff:=GetNumberFuncFunc();');
- ParseProgram;
- end;
- procedure TTestResolver.TestMethodTypesAssignObjFPC;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class;');
- Add(' TNotifyEvent = procedure(Sender: TObject) of object;');
- Add(' TObject = class');
- Add(' FOnClick: TNotifyEvent;');
- Add(' procedure SetOnClick(const Value: TNotifyEvent);');
- Add(' procedure Notify(Sender: TObject);');
- Add(' property OnClick: TNotifyEvent read FOnClick write SetOnClick;');
- Add(' end;');
- Add('procedure TObject.SetOnClick(const Value: TNotifyEvent);');
- Add('begin');
- Add(' if FOnClick=Value then exit;');
- Add(' FOnClick:=Value;');
- Add('end;');
- Add('procedure TObject.Notify(Sender: TObject);');
- Add('begin');
- Add(' if Assigned(OnClick) and (OnClick<>@Notify) then begin');
- Add(' OnClick(Sender);');
- Add(' OnClick(Self);');
- Add(' Self.OnClick(nil);');
- Add(' end;');
- Add(' if [email protected] then ;');
- Add(' if [email protected] then ;');
- Add('end;');
- Add('var o: TObject;');
- Add('begin');
- Add(' o.OnClick:[email protected];');
- Add(' o.OnClick(nil);');
- Add(' o.OnClick(o);');
- Add(' o.SetOnClick(@o.Notify);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcTypeCall;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualImplicitCallWithoutParams: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFuncInt = function(vI: longint = 1):longint;');
- Add(' TFuncFuncInt = function(vI: longint = 1): TFuncInt;');
- Add('procedure DoI(vI: longint); begin end;');
- Add('procedure DoFConst(const vI: tfuncint); begin end;');
- Add('procedure DoFVar(var vI: tfuncint); begin end;');
- Add('procedure DoFDefault(vI: tfuncint); begin end;');
- Add('var');
- Add(' i: longint;');
- Add(' f: tfuncint;');
- Add('begin');
- Add(' {#a}f;');
- Add(' {#b}f();');
- Add(' {#c}f(2);');
- Add(' i:={#d}f;');
- Add(' i:={#e}f();');
- Add(' i:={#f}f(2);');
- Add(' doi({#g}f);');
- Add(' doi({#h}f());');
- Add(' doi({#i}f(2));');
- Add(' dofconst({#j}f);');
- Add(' if Assigned({#k}f) then;');
- Add(' if {#l}f=nil then;');
- Add(' if nil={#m}f then;');
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestProcTypeCall ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualImplicitCallWithoutParams:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestProcTypeCall ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- //writeln('TTestResolver.TestProcTypeCall ',GetObjName(Ref.Declaration),' rrfImplicitCallWithoutParams=',rrfImplicitCallWithoutParams in Ref.Flags);
- if rrfImplicitCallWithoutParams in Ref.Flags then
- ActualImplicitCallWithoutParams:=true;
- break;
- end;
- case aMarker^.Identifier of
- 'a','d','g':
- if not ActualImplicitCallWithoutParams then
- RaiseErrorAtSrcMarker('expected implicit call at "#'+aMarker^.Identifier+'"',aMarker);
- else
- if ActualImplicitCallWithoutParams then
- RaiseErrorAtSrcMarker('expected no implicit call at "#'+aMarker^.Identifier+'"',aMarker);
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestProcType_FunctionFPC;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFuncInt = function(vA: longint = 1): longint;');
- Add('function DoIt(vI: longint): longint;');
- Add('begin end;');
- Add('var');
- Add(' b: boolean;');
- Add(' vP, vQ: tfuncint;');
- Add('begin');
- Add(' vp:=nil;');
- Add(' vp:=vp;');
- Add(' vp:=@doit;'); // ok in fpc and delphi
- //Add(' vp:=doit;'); // illegal in fpc, ok in delphi
- Add(' vp;'); // ok in fpc and delphi
- Add(' vp();');
- Add(' vp(2);');
- Add(' b:=vp=nil;'); // ok in fpc, illegal in delphi
- Add(' b:=nil=vp;'); // ok in fpc, illegal in delphi
- Add(' b:=vp=vq;'); // in fpc compare proctypes, in delphi compare results
- Add(' b:=vp=@doit;'); // ok in fpc, illegal in delphi
- Add(' b:=@doit=vp;'); // ok in fpc, illegal in delphi
- //Add(' b:=vp=3;'); // illegal in fpc, ok in delphi
- Add(' b:=4=vp;'); // illegal in fpc, ok in delphi
- Add(' b:=vp<>nil;'); // ok in fpc, illegal in delphi
- Add(' b:=nil<>vp;'); // ok in fpc, illegal in delphi
- Add(' b:=vp<>vq;'); // in fpc compare proctypes, in delphi compare results
- Add(' b:=vp<>@doit;'); // ok in fpc, illegal in delphi
- Add(' b:=@doit<>vp;'); // ok in fpc, illegal in delphi
- //Add(' b:=vp<>5;'); // illegal in fpc, ok in delphi
- Add(' b:=6<>vp;'); // illegal in fpc, ok in delphi
- Add(' b:=Assigned(vp);');
- //Add(' doit(vp);'); // illegal in fpc, ok in delphi
- Add(' doit(vp());'); // ok in fpc and delphi
- Add(' doit(vp(2));'); // ok in fpc and delphi
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_FunctionDelphi;
- begin
- StartProgram(false);
- Add('{$mode Delphi}');
- Add('type');
- Add(' TFuncInt = function(vA: longint = 1): longint;');
- Add('function DoIt(vI: longint): longint;');
- Add('begin end;');
- Add('var');
- Add(' b: boolean;');
- Add(' vP, vQ: tfuncint;');
- Add(' ');
- Add('begin');
- Add(' vp:=nil;');
- Add(' vp:=vp;');
- Add(' vp:=@doit;'); // ok in fpc and delphi
- Add(' vp:=doit;'); // illegal in fpc, ok in delphi
- Add(' vp;'); // ok in fpc and delphi
- Add(' vp();');
- Add(' vp(2);');
- //Add(' b:=vp=nil;'); // ok in fpc, illegal in delphi
- //Add(' b:=nil=vp;'); // ok in fpc, illegal in delphi
- Add(' b:=vp=vq;'); // in fpc compare proctypes, in delphi compare results
- //Add(' b:=vp=@doit;'); // ok in fpc, illegal in delphi
- //Add(' b:=@doit=vp;'); // ok in fpc, illegal in delphi
- Add(' b:=vp=3;'); // illegal in fpc, ok in delphi
- Add(' b:=4=vp;'); // illegal in fpc, ok in delphi
- //Add(' b:=vp<>nil;'); // ok in fpc, illegal in delphi
- //Add(' b:=nil<>vp;'); // ok in fpc, illegal in delphi
- Add(' b:=vp<>vq;'); // in fpc compare proctypes, in delphi compare results
- //Add(' b:=vp<>@doit;'); // ok in fpc, illegal in delphi
- //Add(' b:=@doit<>vp;'); // ok in fpc, illegal in delphi
- Add(' b:=vp<>5;'); // illegal in fpc, ok in delphi
- Add(' b:=6<>vp;'); // illegal in fpc, ok in delphi
- Add(' b:=Assigned(vp);');
- Add(' doit(vp);'); // illegal in fpc, ok in delphi
- Add(' doit(vp());'); // ok in fpc and delphi
- Add(' doit(vp(2));'); // ok in fpc and delphi *)
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_ProcedureDelphi;
- begin
- StartProgram(false);
- Add('{$mode Delphi}');
- Add('type');
- Add(' TProc = procedure;');
- Add('procedure Doit;');
- Add('begin end;');
- Add('var');
- Add(' b: boolean;');
- Add(' vP, vQ: tproc;');
- Add('begin');
- Add(' vp:=nil;');
- Add(' vp:=vp;');
- Add(' vp:=vq;');
- Add(' vp:=@doit;'); // ok in fpc and delphi, Note that in Delphi type of @F is Pointer, while in FPC it is the proc type
- Add(' vp:=doit;'); // illegal in fpc, ok in delphi
- //Add(' vp:=@doit;'); // illegal in fpc, ok in delphi (because Delphi treats @F as Pointer), not supported by resolver
- Add(' vp;'); // ok in fpc and delphi
- Add(' vp();');
- // equal
- //Add(' b:=vp=nil;'); // ok in fpc, illegal in delphi
- Add(' b:=@@vp=nil;'); // ok in fpc delphi mode, ok in delphi
- //Add(' b:=nil=vp;'); // ok in fpc, illegal in delphi
- Add(' b:=nil=@@vp;'); // ok in fpc delphi mode, ok in delphi
- Add(' b:=@@vp=@@vq;'); // ok in fpc delphi mode, ok in Delphi
- //Add(' b:=vp=vq;'); // in fpc compare proctypes, in delphi compare results
- //Add(' b:=vp=@doit;'); // ok in fpc, illegal in delphi
- Add(' b:=@@vp=@doit;'); // ok in fpc delphi mode, ok in delphi
- //Add(' b:=@doit=vp;'); // ok in fpc, illegal in delphi
- Add(' b:=@doit=@@vp;'); // ok in fpc delphi mode, ok in delphi
- // unequal
- //Add(' b:=vp<>nil;'); // ok in fpc, illegal in delphi
- Add(' b:=@@vp<>nil;'); // ok in fpc mode delphi, ok in delphi
- //Add(' b:=nil<>vp;'); // ok in fpc, illegal in delphi
- Add(' b:=nil<>@@vp;'); // ok in fpc mode delphi, ok in delphi
- //Add(' b:=vp<>vq;'); // in fpc compare proctypes, in delphi compare results
- Add(' b:=@@vp<>@@vq;'); // ok in fpc mode delphi, ok in delphi
- //Add(' b:=vp<>@doit;'); // ok in fpc, illegal in delphi
- Add(' b:=@@vp<>@doit;'); // ok in fpc mode delphi, illegal in delphi
- //Add(' b:=@doit<>vp;'); // ok in fpc, illegal in delphi
- Add(' b:=@doit<>@@vp;'); // ok in fpc mode delphi, illegal in delphi
- Add(' b:=Assigned(vp);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_MethodFPC;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFuncInt = function(vA: longint = 1): longint of object;');
- Add(' TObject = class');
- Add(' function DoIt(vA: longint = 1): longint;');
- Add(' end;');
- Add('function tobject.doit(vA: longint): longint;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' Obj: TObject;');
- Add(' vP: tfuncint;');
- Add(' b: boolean;');
- Add('begin');
- Add(' vp:[email protected];'); // ok in fpc and delphi
- //Add(' vp:=obj.doit;'); // illegal in fpc, ok in delphi
- Add(' vp;'); // ok in fpc and delphi
- Add(' vp();');
- Add(' vp(2);');
- Add(' b:[email protected];'); // ok in fpc, illegal in delphi
- Add(' b:[email protected]=vp;'); // ok in fpc, illegal in delphi
- Add(' b:=vp<>@obj.doit;'); // ok in fpc, illegal in delphi
- Add(' b:[email protected]<>vp;'); // ok in fpc, illegal in delphi
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_MethodDelphi;
- begin
- StartProgram(false);
- Add('{$mode delphi}');
- Add('type');
- Add(' TFuncInt = function(vA: longint = 1): longint of object;');
- Add(' TObject = class');
- Add(' function DoIt(vA: longint = 1): longint;');
- Add(' end;');
- Add('function tobject.doit(vA: longint): longint;');
- Add('begin');
- Add('end;');
- Add('var');
- Add(' Obj: TObject;');
- Add(' vP: tfuncint;');
- Add(' b: boolean;');
- Add('begin');
- Add(' vp:[email protected];'); // ok in fpc and delphi
- Add(' vp:=obj.doit;'); // illegal in fpc, ok in delphi
- Add(' vp;'); // ok in fpc and delphi
- Add(' vp();');
- Add(' vp(2);');
- //Add(' b:[email protected];'); // ok in fpc, illegal in delphi
- //Add(' b:[email protected]=vp;'); // ok in fpc, illegal in delphi
- //Add(' b:=vp<>@obj.doit;'); // ok in fpc, illegal in delphi
- //Add(' b:[email protected]<>vp;'); // ok in fpc, illegal in delphi
- ParseProgram;
- end;
- procedure TTestResolver.TestAssignProcToMethodFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class end;');
- Add(' TNotifyEvent = procedure(Sender: TObject) of object;');
- Add('procedure ProcA(Sender: TObject);');
- Add('begin end;');
- Add('var n: TNotifyEvent;');
- Add('begin');
- Add(' n:=@ProcA;');
- CheckResolverException('procedural type modifier "of Object" mismatch',
- nXModifierMismatchY);
- end;
- procedure TTestResolver.TestAssignMethodToProcFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class');
- Add(' procedure ProcA(Sender: TObject);');
- Add(' end;');
- Add(' TNotifyProc = procedure(Sender: TObject);');
- Add('procedure TObject.ProcA(Sender: TObject);');
- Add('begin end;');
- Add('var');
- Add(' n: TNotifyProc;');
- Add(' o: TObject;');
- Add('begin');
- Add(' n:[email protected];');
- CheckResolverException('procedural type modifier "of Object" mismatch',
- nXModifierMismatchY);
- end;
- procedure TTestResolver.TestAssignProcToFunctionFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFuncInt = function(i: longint): longint;');
- Add('procedure ProcA(i: longint);');
- Add('begin end;');
- Add('var p: TFuncInt;');
- Add('begin');
- Add(' p:=@ProcA;');
- CheckResolverException(
- 'Incompatible types: got "procedural type" expected "functional type"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestAssignProcWrongArgsFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TProcInt = procedure(i: longint);');
- Add('procedure ProcA(i: string);');
- Add('begin end;');
- Add('var p: TProcInt;');
- Add('begin');
- Add(' p:=@ProcA;');
- CheckResolverException('Incompatible type arg no. 1: Got "Longint", expected "String"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestAssignProcWrongArgAccessFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TProcInt = procedure(i: longint);');
- Add('procedure ProcA(const i: longint);');
- Add('begin end;');
- Add('var p: TProcInt;');
- Add('begin');
- Add(' p:=@ProcA;');
- CheckResolverException('Incompatible type arg no. 1: Got "access modifier const", expected "default"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestProcType_AssignNestedProcFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TProcInt = procedure(i: longint);');
- Add('procedure ProcA;');
- Add('var p: TProcInt;');
- Add(' procedure SubProc(i: longint);');
- Add(' begin');
- Add(' end;');
- Add('begin');
- Add(' p:=@SubProc;');
- Add('end;');
- Add('begin');
- CheckResolverException('procedural type modifier "is nested" mismatch',
- nXModifierMismatchY);
- end;
- procedure TTestResolver.TestArrayOfProc;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TNotifyProc = function(Sender: TObject = nil): longint;',
- ' TProcArray = array of TNotifyProc;',
- 'function ProcA(Sender: TObject): longint;',
- 'begin end;',
- 'procedure DoIt(const a: TProcArray);',
- 'begin end;',
- 'var',
- ' a: TProcArray;',
- ' p: TNotifyProc;',
- 'begin',
- ' a[0]:=@ProcA;',
- ' if a[1]=@ProcA then ;',
- ' if @ProcA=a[2] then ;',
- // ' a[3];', ToDo
- ' a[3](nil);',
- ' if a[4](nil)=5 then ;',
- ' if 6=a[7](nil) then ;',
- ' a[8]:=a[9];',
- ' p:=a[10];',
- ' a[11]:=p;',
- ' if a[12]=p then ;',
- ' if p=a[13] then ;',
- ' DoIt([@ProcA]);',
- ' DoIt([nil]);',
- ' DoIt([nil,@ProcA]);',
- ' DoIt([p]);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_Assigned;
- begin
- StartProgram(false);
- Add('type');
- Add(' TFuncInt = function(i: longint): longint;');
- Add('function ProcA(i: longint): longint;');
- Add('begin end;');
- Add('var');
- Add(' a: array of TFuncInt;');
- Add(' p: TFuncInt;');
- Add('begin');
- Add(' if Assigned(p) then ;');
- Add(' if Assigned(a[1]) then ;');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_TNotifyEvent;
- begin
- StartProgram(true,[supTObject]);
- Add('type');
- Add(' TNotifyEvent = procedure(Sender: TObject) of object;');
- Add(' TButton = class(TObject)');
- Add(' private');
- Add(' FOnClick: TNotifyEvent;');
- Add(' published');
- Add(' property OnClick: TNotifyEvent read FOnClick write FOnClick;');
- Add(' end;');
- Add(' TApplication = class(TObject)');
- Add(' procedure BtnClickHandler(Sender: TObject); external name ''BtnClickHandler'';');
- Add(' end;');
- Add('var ');
- Add(' App: TApplication;');
- Add(' Button1: TButton;');
- Add('begin');
- Add(' Button1.OnClick := @App.BtnClickHandler;');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_TNotifyEvent_NoAtFPC_Fail1;
- begin
- StartProgram(true,[supTObject]);
- Add('type');
- Add(' TNotifyEvent = procedure(Sender: TObject) of object;');
- Add(' TButton = class(TObject)');
- Add(' private');
- Add(' FOnClick: TNotifyEvent;');
- Add(' published');
- Add(' property OnClick: TNotifyEvent read FOnClick write FOnClick;');
- Add(' end;');
- Add(' TApplication = class(TObject)');
- Add(' procedure BtnClickHandler(Sender: TObject); external name ''BtnClickHandler'';');
- Add(' end;');
- Add('var ');
- Add(' App: TApplication;');
- Add(' Button1: TButton;');
- Add('begin');
- Add(' Button1.OnClick := App.BtnClickHandler;');
- CheckResolverException(
- 'Wrong number of parameters specified for call to "BtnClickHandler"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestProcType_TNotifyEvent_NoAtFPC_Fail2;
- begin
- StartProgram(true,[supTObject]);
- Add('type');
- Add(' TNotifyEvent = procedure(Sender: TObject) of object;');
- Add(' TButton = class(TObject)');
- Add(' private');
- Add(' FOnClick: TNotifyEvent;');
- Add(' published');
- Add(' property OnClick: TNotifyEvent read FOnClick write FOnClick;');
- Add(' end;');
- Add(' TApplication = class(TObject)');
- Add(' procedure BtnClickHandler(Sender: TObject); external name ''BtnClickHandler'';');
- Add(' end;');
- Add('var ');
- Add(' App: TApplication;');
- Add(' Button1: TButton;');
- Add('begin');
- Add(' Button1.OnClick := App.BtnClickHandler();');
- CheckResolverException(
- 'Wrong number of parameters specified for call to "procedure BtnClickHandler(TObject) of Object"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestProcType_TNotifyEvent_NoAtFPC_Fail3;
- begin
- StartProgram(true,[supTObject]);
- Add('type');
- Add(' TNotifyEvent = procedure(Sender: TObject) of object;');
- Add(' TButton = class(TObject)');
- Add(' private');
- Add(' FOnClick: TNotifyEvent;');
- Add(' published');
- Add(' property OnClick: TNotifyEvent read FOnClick write FOnClick;');
- Add(' end;');
- Add(' TApplication = class(TObject)');
- Add(' procedure BtnClickHandler(Sender: TObject); external name ''BtnClickHandler'';');
- Add(' end;');
- Add('var ');
- Add(' App: TApplication;');
- Add(' Button1: TButton;');
- Add('begin');
- Add(' Button1.OnClick := @App.BtnClickHandler();');
- CheckResolverException(
- 'Wrong number of parameters specified for call to "procedure BtnClickHandler(TObject) of Object"',
- nWrongNumberOfParametersForCallTo);
- end;
- procedure TTestResolver.TestProcType_WhileListCompare;
- begin
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TArrInt = array of Integer;');
- Add(' TListCompare = function(Item1, Item2: Integer): integer;');
- Add('procedure Sort(P: Integer; const List: TArrInt; const Compare: TListCompare);');
- Add('begin');
- Add(' while Compare(P,List[0])>0 do ;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_IsNested;
- begin
- StartProgram(false);
- Add('{$modeswitch nestedprocvars}');
- Add('type');
- Add(' integer = longint;');
- Add(' TNestedProc = procedure(i: integer) is nested;');
- Add('procedure DoIt(i: integer);');
- Add('var p: TNestedProc;');
- Add(' procedure Sub(i: integer);');
- Add(' var SubP: TNestedProc;');
- Add(' procedure SubSub(i: integer);');
- Add(' begin');
- Add(' p:=@Sub;');
- Add(' p:=@SubSub;');
- Add(' SubP:=@Sub;');
- Add(' SubP:=@SubSub;');
- Add(' end;');
- Add(' begin');
- Add(' p:=@Sub;');
- Add(' p:=@SubSub;');
- Add(' SubP:=@Sub;');
- Add(' SubP:=@SubSub;');
- Add(' end;');
- Add('begin');
- Add(' p:=@Sub;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_IsNested_AssignProcFail;
- begin
- StartProgram(false);
- Add('{$modeswitch nestedprocvars}');
- Add('type');
- Add(' integer = longint;');
- Add(' TNestedProc = procedure(i: integer) is nested;');
- Add('procedure DoIt(i: integer); begin end;');
- Add('var p: TNestedProc;');
- Add('begin');
- Add(' p:=@DoIt;');
- CheckResolverException('procedural type modifier "is nested" mismatch',nXModifierMismatchY);
- end;
- procedure TTestResolver.TestProcType_ReferenceTo;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TProcRef = reference to procedure(i: longint = 0);',
- ' TFuncRef = reference to function(i: longint = 0): longint;',
- ' TObject = class',
- ' function Grow(s: longint): longint;',
- ' end;',
- 'var',
- ' p: TProcRef;',
- ' f: TFuncRef;',
- 'function tobject.Grow(s: longint): longint;',
- ' function GrowSub(i: longint): longint;',
- ' begin',
- ' f:=@Grow;',
- ' f:=@GrowSub;',
- ' f;',
- ' f();',
- ' f(1);',
- ' end;',
- 'begin',
- ' f:=@Grow;',
- ' f:=@GrowSub;',
- ' f;',
- ' f();',
- ' f(1);',
- 'end;',
- 'procedure DoIt(i: longint);',
- 'begin',
- 'end;',
- 'function GetIt(i: longint): longint;',
- ' function Sub(i: longint): longint;',
- ' begin',
- ' p:=@DoIt;',
- ' f:=@GetIt;',
- ' f:=@Sub;',
- ' end;',
- 'begin',
- ' p:=@DoIt;',
- ' f:=@GetIt;',
- ' f;',
- ' f();',
- ' f(1);',
- 'end;',
- 'begin',
- ' p:=@DoIt;',
- ' f:=@GetIt;',
- ' f;',
- ' f();',
- ' f(1);',
- ' p:=TProcRef(f);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_AllowNested;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proProcTypeWithoutIsNested];
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TProc = procedure(i: integer);');
- Add('procedure DoIt(i: integer);');
- Add('var p: TProc;');
- Add(' procedure Sub(i: integer);');
- Add(' var SubP: TProc;');
- Add(' procedure SubSub(i: integer);');
- Add(' begin');
- Add(' p:=@DoIt;');
- Add(' p:=@Sub;');
- Add(' p:=@SubSub;');
- Add(' SubP:=@DoIt;');
- Add(' SubP:=@Sub;');
- Add(' SubP:=@SubSub;');
- Add(' end;');
- Add(' begin');
- Add(' p:=@DoIt;');
- Add(' p:=@Sub;');
- Add(' p:=@SubSub;');
- Add(' SubP:=@DoIt;');
- Add(' SubP:=@Sub;');
- Add(' SubP:=@SubSub;');
- Add(' end;');
- Add('begin');
- Add(' p:=@DoIt;');
- Add(' p:=@Sub;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_AllowNestedOfObject;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proProcTypeWithoutIsNested];
- StartProgram(false);
- Add('type');
- Add(' integer = longint;');
- Add(' TMethodProc = procedure(i: integer) of object;');
- Add(' TObject = class');
- Add(' procedure DoIt(i: integer);');
- Add(' end;');
- Add('procedure TObject.DoIt(i: integer);');
- Add('var p: TMethodProc;');
- Add(' procedure Sub(i: integer);');
- Add(' var SubP: TMethodProc;');
- Add(' procedure SubSub(i: integer);');
- Add(' begin');
- Add(' p:=@DoIt;');
- Add(' p:=@Sub;');
- Add(' p:=@SubSub;');
- Add(' SubP:=@DoIt;');
- Add(' SubP:=@Sub;');
- Add(' SubP:=@SubSub;');
- Add(' end;');
- Add(' begin');
- Add(' p:=@DoIt;');
- Add(' p:=@Sub;');
- Add(' p:=@SubSub;');
- Add(' SubP:=@DoIt;');
- Add(' SubP:=@Sub;');
- Add(' SubP:=@SubSub;');
- Add(' end;');
- Add('begin');
- Add(' p:=@DoIt;');
- Add(' p:=@Sub;');
- Add('end;');
- Add('begin');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_AsArgOtherUnit;
- begin
- AddModuleWithIntfImplSrc('unit2.pas',
- LinesToStr([
- 'type',
- ' JSInteger = longint;',
- ' TObject = class;',
- ' TJSArrayCallBack = function (element : JSInteger) : Boolean;',
- ' TObject = class',
- ' public',
- ' procedure forEach(const aCallBack : TJSArrayCallBack); virtual; abstract;',
- ' end;',
- '']),
- '');
- StartProgram(true);
- Add('uses unit2;');
- Add('function showElement(el : JSInteger) : boolean ;');
- Add('begin');
- Add(' result:=true;');
- Add('end;');
- Add('var a: TObject;');
- Add('begin');
- Add(' a.forEach(@ShowElement);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_Property;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TNotifyEvent = procedure(Sender: TObject) of object;',
- ' TControl = class',
- ' FOnClick: TNotifyEvent;',
- ' property OnClick: TNotifyEvent read FOnClick write FOnClick;',
- ' procedure Click(Sender: TObject);',
- ' end;',
- ' TButton = class(TControl)',
- ' property OnClick;',
- ' end;',
- 'procedure TControl.Click(Sender: TObject);',
- 'begin',
- ' if Assigned(OnClick) then ;',
- ' OnClick:=@Click;',
- ' OnClick(Sender);',
- ' Self.OnClick(Sender);',
- ' with Self do OnClick(Sender);',
- 'end;',
- 'var',
- ' Ctrl: TControl;',
- ' Btn: TButton;',
- 'begin',
- ' if Assigned(Ctrl.OnClick) then ;',
- ' Ctrl.OnClick(Ctrl);',
- ' with Ctrl do OnClick(Ctrl);',
- ' if Assigned(Btn.OnClick) then ;',
- ' Btn.OnClick(Btn);',
- ' with Btn do OnClick(Btn);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_PropertyCallWrongArgFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class end;');
- Add(' TNotifyEvent = procedure(Sender: TObject) of object;');
- Add(' TControl = class');
- Add(' FOnClick: TNotifyEvent;');
- Add(' property OnClick: TNotifyEvent read FOnClick write FOnClick;');
- Add(' end;');
- Add('var Btn: TControl;');
- Add('begin');
- Add(' Btn.OnClick(3);');
- CheckResolverException('Incompatible type arg no. 1: Got "Longint", expected "TObject"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestProcType_Typecast;
- begin
- StartProgram(false);
- Add('type');
- Add(' TNotifyEvent = procedure(Sender: Pointer) of object;');
- Add(' TEvent = procedure of object;');
- Add(' TProcA = procedure(i: longint);');
- Add(' TFuncB = function(i, j: longint): longint;');
- Add('var');
- Add(' Notify: TNotifyEvent;');
- Add(' Event: TEvent;');
- Add(' ProcA: TProcA;');
- Add(' FuncB: TFuncB;');
- Add(' p: pointer;');
- Add('begin');
- Add(' Notify:=TNotifyEvent(Event);');
- Add(' Event:=TEvent(Event);');
- Add(' Event:=TEvent(Notify);');
- Add(' ProcA:=TProcA(FuncB);');
- Add(' FuncB:=TFuncB(FuncB);');
- Add(' FuncB:=TFuncB(ProcA);');
- Add(' ProcA:=TProcA(p);');
- Add(' FuncB:=TFuncB(p);');
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_InsideFunction;
- begin
- StartProgram(false);
- Add([
- 'function GetIt: longint;',
- 'type TGetter = function: longint;',
- 'var',
- ' p: Pointer;',
- 'begin',
- ' Result:=TGetter(p)();',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestProcType_PassProcToUntyped;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualImplicitCallWithoutParams: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TEvent = procedure of object;',
- ' TFunc = function: longint of object;',
- 'procedure DoIt; varargs; begin end;',
- 'procedure DoSome(const a; var b; c: pointer); begin end;',
- 'var',
- ' E: TEvent;',
- ' F: TFunc;',
- 'begin',
- ' DoIt({#a1}E,{#a2}F);',
- ' DoSome({#b1}E,{#b2}E,{#b3}E);',
- ' DoSome({#c1}F,{#c2}F,{#c3}F);',
- '']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestProcType_PassProcToUntyped ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualImplicitCallWithoutParams:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestProcType_PassProcToUntyped ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- //writeln('TTestResolver.TestProcType_PassProcToUntyped ',GetObjName(Ref.Declaration),' rrfImplicitCallWithoutParams=',rrfImplicitCallWithoutParams in Ref.Flags);
- if rrfImplicitCallWithoutParams in Ref.Flags then
- ActualImplicitCallWithoutParams:=true;
- break;
- end;
- if ActualImplicitCallWithoutParams then
- RaiseErrorAtSrcMarker('expected no implicit call at "#'+aMarker^.Identifier+'"',aMarker);
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestPointer;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TClass = class of TObject;',
- ' TMyPtr = pointer;',
- ' TArrInt = array of longint;',
- ' TFunc = function: longint;',
- 'procedure DoIt; begin end;',
- 'var',
- ' p: TMyPtr;',
- ' Obj: TObject;',
- ' Cl: TClass;',
- ' a: tarrint;',
- ' f: TFunc;',
- ' s: string;',
- ' u: unicodestring;',
- 'begin',
- ' p:=nil;',
- ' if p=nil then;',
- ' if nil=p then;',
- ' if Assigned(p) then;',
- ' p:=obj;',
- ' p:=cl;',
- ' p:=a;',
- ' p:=Pointer(f);',
- ' p:=@DoIt;',
- ' p:=Pointer(@DoIt);',
- ' obj:=TObject(p);',
- ' cl:=TClass(p);',
- ' a:=TArrInt(p);',
- ' p:=Pointer(a);',
- ' p:=Pointer(s);',
- ' s:=String(p);',
- ' p:=pointer(u);',
- ' u:=UnicodeString(p);']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPointer_AnonymousSetFail;
- begin
- StartProgram(false);
- Add([
- 'type p = ^(red, green);',
- 'begin']);
- CheckResolverException('not yet implemented: pointer of anonymous type',
- nNotYetImplemented);
- end;
- procedure TTestResolver.TestPointer_AssignPointerToClassFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class end;');
- Add('var');
- Add(' Obj: TObject;');
- Add(' p: pointer;');
- Add('begin');
- Add(' obj:=p;');
- CheckResolverException('Incompatible types: got "Pointer" expected "TObject"',
- nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestPointer_TypecastToMethodTypeFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEvent = procedure of object;');
- Add('var');
- Add(' p: pointer;');
- Add(' e: TEvent;');
- Add('begin');
- Add(' e:=TEvent(p);');
- CheckResolverException('Illegal type conversion: "Pointer" to "procedure type of Object"',
- nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestPointer_TypecastFromMethodTypeFail;
- begin
- StartProgram(false);
- Add('type');
- Add(' TEvent = procedure of object;');
- Add('var');
- Add(' p: pointer;');
- Add(' e: TEvent;');
- Add('begin');
- Add(' p:=Pointer(e);');
- CheckResolverException('Illegal type conversion: "procedural type of Object" to "Pointer"',
- nIllegalTypeConversionTo);
- end;
- procedure TTestResolver.TestPointer_TypecastMethod_proMethodAddrAsPointer;
- begin
- ResolverEngine.Options:=ResolverEngine.Options+[proMethodAddrAsPointer];
- StartProgram(false);
- Add('type');
- Add(' TEvent = procedure of object;');
- Add('var');
- Add(' p: pointer;');
- Add(' e: TEvent;');
- Add('begin');
- Add(' e:=TEvent(p);');
- Add(' p:=Pointer(e);');
- ParseProgram;
- end;
- procedure TTestResolver.TestPointer_OverloadSignature;
- begin
- StartProgram(false);
- Add('type');
- Add(' TObject = class end;');
- Add(' TClass = class of TObject;');
- Add(' TBird = class(TObject) end;');
- Add(' TBirds = class of TBird;');
- Add('procedure {#pointer}DoIt(p: Pointer); begin end;');
- Add('procedure {#tobject}DoIt(o: TObject); begin end;');
- Add('procedure {#tclass}DoIt(c: TClass); begin end;');
- Add('var');
- Add(' p: pointer;');
- Add(' o: TObject;');
- Add(' c: TClass;');
- Add(' b: TBird;');
- Add(' bc: TBirds;');
- Add('begin');
- Add(' {@pointer}DoIt(p);');
- Add(' {@tobject}DoIt(o);');
- Add(' {@tclass}DoIt(c);');
- Add(' {@tobject}DoIt(b);');
- Add(' {@tclass}DoIt(bc);');
- ParseProgram;
- end;
- procedure TTestResolver.TestPointer_Assign;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPtr = pointer;',
- ' TClass = class of TObject;',
- ' TObject = class end;',
- 'var',
- ' p: TPtr;',
- ' o: TObject;',
- ' c: TClass;',
- 'begin',
- ' p:=o;',
- ' if p=o then ;',
- ' if o=p then ;',
- ' p:=c;',
- ' if p=c then ;',
- ' if c=p then ;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPointerTyped;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' PBoolean = ^boolean;',
- ' PPInteger = ^PInteger;',
- ' PInteger = ^integer;',
- ' integer = longint;',
- 'var',
- ' i: integer;',
- ' p1: PInteger;',
- ' p2: ^Integer;',
- ' p3: ^PInteger;',
- ' a: array of integer;',
- 'begin',
- ' p1:=@i;',
- ' p1:=p2;',
- ' p2:=@i;',
- ' p3:=@p1;',
- ' p1:=@a[1];',
- ' p1^:=i;',
- ' i:=(@i)^;',
- ' i:=p1^;',
- ' i:=p2^;',
- ' i:=p3^^;',
- ' i:=PInteger(p3)^;',
- ' if p1=@i then ;',
- ' if @i=p1 then ;',
- ' if p1=p2 then ;',
- ' if p2=p1 then ;',
- ' if p2=@i then ;',
- ' if @i=p2 then ;',
- ' if p1=@a[2] then ;',
- ' if @a[3]=p1 then ;',
- ' if i=p1^ then ;',
- ' if p1^=i then ;',
- ' i:=p1[1];',
- ' i:=(@i)[1];',
- ' i:=p2[2];',
- ' i:=p3[3][4];',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPointerTypedForwardMissingFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' PInteger = ^integer;',
- 'var',
- ' i: integer;',
- 'begin',
- '']);
- CheckResolverException('identifier not found "integer"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestPointerTyped_CycleFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' PInteger = ^integer;',
- ' integer = PInteger;',
- 'var',
- ' i: integer;',
- ' p1: PInteger;',
- 'begin',
- '']);
- CheckResolverException(sTypeCycleFound,nTypeCycleFound);
- end;
- procedure TTestResolver.TestPointerTyped_AssignMismatchFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' PInt = ^longint;',
- ' PBool = ^boolean;',
- 'var',
- ' pi: Pint;',
- ' pb: PBool;',
- 'begin',
- ' pi:=pb;',
- '']);
- CheckResolverException('Incompatible types: got "PBool" expected "PInt"',nIncompatibleTypesGotExpected);
- end;
- procedure TTestResolver.TestPointerTyped_AddrAddrFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' PInt = ^longint;',
- ' PPInt = ^PInt;',
- 'var',
- ' i: longint;',
- ' p: PPint;',
- 'begin',
- ' p:=@(@i);',
- '']);
- CheckResolverException('illegal qualifier "@" in front of "Pointer"',nIllegalQualifierInFrontOf);
- end;
- procedure TTestResolver.TestPointerTyped_RecordObjFPC;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' PRec = ^TRec;',
- ' TRec = record x: longint; end;',
- 'var',
- ' r: TRec;',
- ' p: PRec;',
- ' i: longint;',
- ' Ptr: pointer;',
- 'begin',
- ' p:=@r;',
- ' i:=p^.x;',
- ' p^.x:=i;',
- ' if i=p^.x then;',
- ' if p^.x=i then;',
- ' ptr:=p;',
- ' p:=PRec(ptr);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPointerTyped_RecordDelphi;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' PRec = ^TRec;',
- ' TRec = record x: longint; end;',
- 'procedure DoIt(const p: PRec);',
- 'begin',
- ' p.x:=p.x;',
- ' with p^ do',
- ' x:=x;',
- 'end;',
- 'var',
- ' r: TRec;',
- ' p: PRec;',
- ' i: longint;',
- 'begin',
- ' i:=p.x;',
- ' p.x:=i;',
- ' if i=p.x then;',
- ' if p.x=i then;',
- ' DoIt(@r);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestPointerTyped_Arithmetic;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' PInt = ^longint;',
- 'var',
- ' i: longint;',
- ' p: PInt;',
- 'begin',
- ' inc(p);',
- ' inc(p,2);',
- ' p:=p+3;',
- ' p:=4+p;',
- ' p:=@i+5;',
- ' p:=6+@i;',
- ' i:=(p+7)^;',
- ' i:=(@i+8)^;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestResourcestring;
- begin
- StartProgram(false);
- Add([
- 'const Foo = ''foo'';',
- 'Resourcestring',
- ' Bar = foo;',
- ' Red = ''Red'';',
- ' r = ''Rd''+foo;',
- 'procedure DoIt(s: string; const h: string); begin end;',
- 'begin',
- ' if bar=red then ;',
- ' if bar=''a'' then ;',
- ' doit(r,r);',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestResourcestringAssignFail;
- begin
- StartProgram(false);
- Add([
- 'Resourcestring Foo = ''bar'';',
- 'begin',
- ' Foo:=''a'';',
- '']);
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestResourcestringLocalFail;
- begin
- StartProgram(false);
- Add([
- 'procedure DoIt;',
- 'Resourcestring Foo = ''bar'';',
- 'begin end;',
- 'begin;',
- '']);
- CheckParserException(SParserResourcestringsMustBeGlobal,nParserResourcestringsMustBeGlobal);
- end;
- procedure TTestResolver.TestResourcestringInConstFail;
- begin
- StartProgram(false);
- Add([
- 'Resourcestring Foo = ''foo'';',
- 'const Bar = ''Prefix''+Foo;',
- 'begin',
- '']);
- CheckResolverException(sConstantExpressionExpected,nConstantExpressionExpected);
- end;
- procedure TTestResolver.TestResourcestringPassVarArgFail;
- begin
- StartProgram(false);
- Add([
- 'Resourcestring Bar = ''foo'';',
- 'procedure DoIt(var s: string); begin end;',
- 'begin',
- ' doit(bar);',
- '']);
- CheckResolverException(sVariableIdentifierExpected,nVariableIdentifierExpected);
- end;
- procedure TTestResolver.TestHint_ElementHints;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TDeprecated = longint deprecated;',
- ' TLibrary = longint library;',
- ' TPlatform = longint platform;',
- ' TExperimental = longint experimental;',
- ' TUnimplemented = longint unimplemented;',
- 'var',
- ' vDeprecated: TDeprecated;',
- ' vLibrary: TLibrary;',
- ' vPlatform: TPlatform;',
- ' vExperimental: TExperimental;',
- ' vUnimplemented: TUnimplemented;',
- 'begin',
- '']);
- ParseProgram;
- CheckResolverHint(mtWarning,nSymbolXIsDeprecated,'Symbol "TDeprecated" is deprecated');
- CheckResolverHint(mtWarning,nSymbolXBelongsToALibrary,'Symbol "TLibrary" belongs to a library');
- CheckResolverHint(mtWarning,nSymbolXIsNotPortable,'Symbol "TPlatform" is not portable');
- CheckResolverHint(mtWarning,nSymbolXIsExperimental,'Symbol "TExperimental" is experimental');
- CheckResolverHint(mtWarning,nSymbolXIsNotImplemented,'Symbol "TUnimplemented" is not implemented');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestHint_ElementHintsMsg;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TDeprecated = longint deprecated ''foo'';',
- 'var',
- ' vDeprecated: TDeprecated;',
- 'begin',
- '']);
- ParseProgram;
- CheckResolverHint(mtWarning,nSymbolXIsDeprecatedY,'Symbol "TDeprecated" is deprecated: ''foo''');
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestHint_ElementHintsAlias;
- var
- aMarker: PSrcMarker;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TPlatform = longint platform;',
- ' {#a}TAlias = TPlatform;',
- 'var',
- ' {#b}vB: TPlatform;',
- ' {#c}vC: TAlias;',
- 'function {#d}DoIt: TPlatform;',
- 'begin',
- ' Result:=0;',
- 'end;',
- 'function {#e}DoSome: TAlias;',
- 'begin',
- ' Result:=0;',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- //WriteSources('afile.pp',3,4);
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestHint_ElementHintsAlias Marker "',aMarker^.Identifier,'" ',aMarker^.StartCol,'..',aMarker^.EndCol);
- CheckResolverHint(mtWarning,nSymbolXIsNotPortable,'Symbol "TPlatform" is not portable',aMarker);
- aMarker:=aMarker^.Next;
- end;
- CheckResolverUnexpectedHints(true);
- end;
- procedure TTestResolver.TestHint_ElementHints_WarnOff_SymbolDeprecated;
- begin
- StartProgram(false);
- Add([
- '{$warn symbol_deprecated off}',
- 'var',
- ' i: byte deprecated;',
- 'begin',
- ' if i=3 then ;']);
- ParseProgram;
- CheckResolverUnexpectedHints(true);
- end;
- procedure TTestResolver.TestHint_Garbage;
- begin
- StartProgram(false);
- Add([
- 'begin',
- 'end.']);
- ParseProgram;
- CheckResolverHint(mtHint,nTextAfterFinalIgnored,sTextAfterFinalIgnored);
- CheckResolverUnexpectedHints(true);
- end;
- procedure TTestResolver.TestClassHelper;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TObjectHelper = class helper for TObject',
- ' type T = word;',
- ' const',
- ' c: T = 3;',
- ' k: T = 4;',
- ' class var',
- ' v: T;',
- ' w: T;',
- ' end;',
- ' TBird = class(TObject)',
- ' end;',
- ' TBirdHelper = class helper for TBird',
- ' end;',
- ' TExtObjHelper = class helper(TObjectHelper) for TBird',
- ' end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_AncestorIsNotHelperForDescendantFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TBird = class(TObject)',
- ' end;',
- ' TBirdHelper = class helper for TBird',
- ' end;',
- ' TFish = class(TObject)',
- ' end;',
- ' THelper = class helper(TBirdHelper) for TFish',
- ' end;',
- 'begin',
- '']);
- CheckResolverException('Derived class helper must extend a subclass of "TBird" or the class itself',
- nDerivedXMustExtendASubClassY);
- end;
- procedure TTestResolver.TestClassHelper_HelperForParentFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TBird = class(TObject)',
- ' type',
- ' TBirdHelper = class helper for TBird',
- ' end;',
- ' end;',
- 'begin',
- '']);
- CheckResolverException(sTypeXIsNotYetCompletelyDefined,
- nTypeXIsNotYetCompletelyDefined);
- end;
- procedure TTestResolver.TestClassHelper_ForInterfaceFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' IUnknown = interface',
- ' procedure DoIt;',
- ' end;',
- ' TBirdHelper = class helper for IUnknown',
- ' end;',
- 'begin',
- '']);
- CheckResolverException('class type expected, but IUnknown found',
- nXExpectedButYFound);
- end;
- procedure TTestResolver.TestClassHelper_FieldFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' F: word;',
- ' end;',
- 'begin',
- '']);
- CheckParserException('Fields are not allowed in class helper',
- nParserNoFieldsAllowed);
- end;
- procedure TTestResolver.TestClassHelper_AbstractFail;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TObject = class',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' procedure DoIt; virtual; abstract;',
- ' end;',
- 'begin',
- '']);
- CheckResolverException('Invalid class helper procedure modifier abstract',
- nInvalidXModifierY);
- end;
- procedure TTestResolver.TestClassHelper_VirtualObjFPCFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' procedure DoIt; virtual;',
- ' end;',
- 'procedure TObjHelper.DoIt;',
- 'begin end;',
- 'begin',
- '']);
- CheckResolverException('Invalid class helper procedure modifier virtual',
- nInvalidXModifierY);
- end;
- procedure TTestResolver.TestClassHelper_VirtualDelphiFail;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TObject = class',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' procedure DoIt; virtual;',
- ' end;',
- 'procedure TObjHelper.DoIt;',
- 'begin end;',
- 'begin',
- '']);
- CheckResolverException('Invalid class helper procedure modifier virtual',
- nInvalidXModifierY);
- end;
- procedure TTestResolver.TestClassHelper_DestructorFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' destructor Destroyer;',
- ' end;',
- 'destructor TObjHelper.Destroyer;',
- 'begin end;',
- 'begin',
- '']);
- CheckParserException('destructor is not allowed in class helper',
- nParserXNotAllowedInY);
- end;
- procedure TTestResolver.TestClassHelper_ClassRefersToTypeHelperOfAncestor;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' type',
- ' TInt = word;',
- ' function GetSize: TInt;',
- ' end;',
- ' TAnt = class',
- ' procedure SetSize(Value: TInt);',
- ' property Size: TInt read GetSize write SetSize;',
- ' end;',
- 'function Tobjhelper.getSize: TInt;',
- 'begin',
- 'end;',
- 'procedure TAnt.SetSize(Value: TInt);',
- 'begin',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_InheritedObjFPC;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure {#TObject_Fly}Fly;',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' procedure {#TObjHelper_Fly}Fly;',
- ' end;',
- ' TBird = class',
- ' procedure {#TBird_Fly}Fly;',
- ' end;',
- ' TBirdHelper = class helper for TBird',
- ' procedure {#TBirdHelper_Fly}Fly;',
- ' procedure {#TBirdHelper_Walk}Walk;',
- ' end;',
- ' TEagleHelper = class helper(TBirdHelper) for TBird',
- ' procedure {#TEagleHelper_Fly}Fly;',
- ' procedure {#TEagleHelper_Walk}Walk;',
- ' end;',
- 'procedure Tobject.fly;',
- 'begin',
- ' inherited;', // ignore
- 'end;',
- 'procedure Tobjhelper.fly;',
- 'begin',
- ' {@TObject_Fly}inherited;',
- ' inherited {@TObject_Fly}Fly;',
- 'end;',
- 'procedure Tbird.fly;',
- 'begin',
- ' {@TObjHelper_Fly}inherited;',
- ' inherited {@TObjHelper_Fly}Fly;',
- 'end;',
- 'procedure Tbirdhelper.fly;',
- 'begin',
- ' {@TBird_Fly}inherited;',
- ' inherited {@TBird_Fly}Fly;',
- 'end;',
- 'procedure Tbirdhelper.walk;',
- 'begin',
- 'end;',
- 'procedure teagleHelper.fly;',
- 'begin',
- ' {@TBird_Fly}inherited;',
- ' inherited {@TBird_Fly}Fly;',
- 'end;',
- 'procedure teagleHelper.walk;',
- 'begin',
- ' {@TBirdHelper_Walk}inherited;',
- ' inherited {@TBirdHelper_Walk}Walk;',
- 'end;',
- 'var',
- ' o: TObject;',
- ' b: TBird;',
- 'begin',
- ' o.{@TObjHelper_Fly}Fly;',
- ' b.{@TEagleHelper_Fly}Fly;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_InheritedObjFPC2;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' procedure {#TObject_Fly}Fly;',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' procedure {#TObjHelper_Walk}Walk;',
- ' end;',
- ' TBird = class',
- ' procedure {#TBird_Fly}Fly;',
- ' end;',
- ' TBirdHelper = class helper for TBird',
- ' procedure {#TBirdHelper_Walk}Walk;',
- ' end;',
- ' TEagleHelper = class helper(TBirdHelper) for TBird',
- ' procedure {#TEagleHelper_Walk}Walk;',
- ' end;',
- 'procedure Tobject.fly;',
- 'begin',
- ' inherited;', // ignore
- 'end;',
- 'procedure Tobjhelper.walk;',
- 'begin',
- ' inherited;', // ignore
- 'end;',
- 'procedure Tbird.fly;',
- 'begin',
- ' {@TObject_Fly}inherited;', // no helper, search further in ancestor
- ' inherited {@TObject_Fly}Fly;', // no helper, search further in ancestor
- 'end;',
- 'procedure Tbirdhelper.walk;',
- 'begin',
- ' {@TObjHelper_Walk}inherited;',
- ' inherited {@TObjHelper_Walk}Walk;',
- 'end;',
- 'procedure teagleHelper.walk;',
- 'begin',
- ' {@TObjHelper_Walk}inherited;',
- ' inherited {@TObjHelper_Walk}Walk;',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_InheritedObjFPCStrictPrivateFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' strict private i: word;',
- ' end;',
- ' THelper = class helper for TObject',
- ' property a: word read i;',
- ' end;',
- 'begin',
- '']);
- CheckResolverException('Can''t access strict private member i',nCantAccessXMember);
- end;
- procedure TTestResolver.TestClassHelper_InheritedClassObjFPC;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' class procedure {#TObject_Fly}Fly;',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' class procedure {#TObjHelper_Fly}Fly;',
- ' end;',
- ' TBird = class',
- ' class procedure {#TBird_Fly}Fly;',
- ' end;',
- ' TBirdHelper = class helper for TBird',
- ' class procedure {#TBirdHelper_Fly}Fly;',
- ' class procedure {#TBirdHelper_Walk}Walk;',
- ' end;',
- ' TEagleHelper = class helper(TBirdHelper) for TBird',
- ' class procedure {#TEagleHelper_Fly}Fly;',
- ' class procedure {#TEagleHelper_Walk}Walk;',
- ' end;',
- 'class procedure Tobject.fly;',
- 'begin',
- ' inherited;', // ignore
- 'end;',
- 'class procedure Tobjhelper.fly;',
- 'begin',
- ' {@TObject_Fly}inherited;',
- ' inherited {@TObject_Fly}Fly;',
- 'end;',
- 'class procedure Tbird.fly;',
- 'begin',
- ' {@TObjHelper_Fly}inherited;',
- ' inherited {@TObjHelper_Fly}Fly;',
- 'end;',
- 'class procedure Tbirdhelper.fly;',
- 'begin',
- ' {@TBird_Fly}inherited;',
- ' inherited {@TBird_Fly}Fly;',
- 'end;',
- 'class procedure Tbirdhelper.walk;',
- 'begin',
- 'end;',
- 'class procedure teagleHelper.fly;',
- 'begin',
- ' {@TBird_Fly}inherited;',
- ' inherited {@TBird_Fly}Fly;',
- 'end;',
- 'class procedure teagleHelper.walk;',
- 'begin',
- ' {@TBirdHelper_Walk}inherited;',
- ' inherited {@TBirdHelper_Walk}Walk;',
- 'end;',
- 'var',
- ' o: TObject;',
- ' b: TBird;',
- 'begin',
- ' o.{@TObjHelper_Fly}Fly;',
- ' TObject.{@TObjHelper_Fly}Fly;',
- ' b.{@TEagleHelper_Fly}Fly;',
- ' TBird.{@TEagleHelper_Fly}Fly;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_InheritedDelphi;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TObject = class',
- ' procedure {#TObject_Fly}Fly;',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' procedure {#TObjHelper_Fly}Fly;',
- ' end;',
- ' TBird = class',
- ' procedure {#TBird_Fly}Fly;',
- ' end;',
- ' TBirdHelper = class helper for TBird',
- ' procedure {#TBirdHelper_Fly}Fly;',
- ' procedure {#TBirdHelper_Walk}Walk;',
- ' end;',
- ' TEagleHelper = class helper(TBirdHelper) for TBird',
- ' procedure {#TEagleHelper_Fly}Fly;',
- ' procedure {#TEagleHelper_Walk}Walk;',
- ' end;',
- 'procedure Tobject.fly;',
- 'begin',
- ' inherited;', // ignore
- 'end;',
- 'procedure Tobjhelper.fly;',
- 'begin',
- ' inherited;', // ignore
- ' inherited {@TObject_Fly}Fly;',
- 'end;',
- 'procedure Tbird.fly;',
- 'begin',
- ' {@TObjHelper_Fly}inherited;',
- ' inherited {@TObjHelper_Fly}Fly;',
- 'end;',
- 'procedure Tbirdhelper.fly;',
- 'begin',
- ' {@TObjHelper_Fly}inherited;',// skip helperfortype too
- ' inherited {@TBird_Fly}Fly;',
- 'end;',
- 'procedure Tbirdhelper.walk;',
- 'begin',
- 'end;',
- 'procedure teagleHelper.fly;',
- 'begin',
- ' {@TObjHelper_Fly}inherited;',// skip helperfortype too
- ' inherited {@TBird_Fly}Fly;',
- 'end;',
- 'procedure teagleHelper.walk;',
- 'begin',
- ' inherited;', // ignore
- ' inherited {@TBirdHelper_Walk}Walk;',
- 'end;',
- 'var',
- ' o: TObject;',
- ' b: TBird;',
- 'begin',
- ' o.{@TObjHelper_Fly}Fly;',
- ' b.{@TEagleHelper_Fly}Fly;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_NestedInheritedParentFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' TBird = class',
- ' procedure Fly;',
- ' type',
- ' TBirdHelper = class helper for TObject',
- ' procedure Fly;',
- ' end;',
- ' end;',
- 'procedure TBird.fly;',
- 'begin',
- 'end;',
- 'procedure TBird.Tbirdhelper.fly;',
- 'begin',
- ' inherited Fly;',
- 'end;',
- 'begin',
- '']);
- CheckResolverException('identifier not found "Fly"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestClassHelper_AccessFields;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TBird = class',
- ' Size: word;',
- ' FItems: array of word;',
- ' end;',
- ' TBirdHelper = class helper for TBird',
- ' procedure Fly;',
- ' end;',
- 'procedure TBirdHelper.Fly;',
- 'begin',
- ' Size:=FItems[0];',
- ' Self.Size:=Self.FItems[0];',
- 'end;',
- 'var',
- ' b: TBird;',
- 'begin',
- ' b.Fly;',
- ' b.Fly()',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_HelperDotClassMethodFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' THelper = class helper for TObject',
- ' class procedure Fly;',
- ' end;',
- 'class procedure THelper.Fly;',
- 'begin',
- 'end;',
- 'begin',
- ' THelper.Fly;',
- '']);
- CheckResolverException(sHelpersCannotBeUsedAsTypes,nHelpersCannotBeUsedAsTypes);
- end;
- procedure TTestResolver.TestClassHelper_WithHelperFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' THelper = class helper for TObject',
- ' end;',
- 'begin',
- ' with THelper do ;',
- '']);
- CheckResolverException(sHelpersCannotBeUsedAsTypes,nHelpersCannotBeUsedAsTypes);
- end;
- procedure TTestResolver.TestClassHelper_AsTypeFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' THelper = class helper for TObject',
- ' end;',
- 'var h: THelper;',
- 'begin',
- '']);
- CheckResolverException(sHelpersCannotBeUsedAsTypes,nHelpersCannotBeUsedAsTypes);
- end;
- procedure TTestResolver.TestClassHelper_ClassMethod;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' THelper = class helper for TObject',
- ' class procedure Fly(w: word = 1);',
- ' class procedure Run(w: word = 1); static;',
- ' end;',
- 'class procedure THelper.Fly(w: word = 1);',
- 'begin',
- ' Fly;',
- ' Fly();',
- ' Run;',
- ' Run();',
- ' Self.Fly;',
- ' Self.Fly();',
- ' Self.Run;',
- ' Self.Run();',
- ' with Self do begin',
- ' Fly;',
- ' Fly();',
- ' Run;',
- ' Run();',
- ' end;',
- 'end;',
- 'class procedure THelper.Run(w: word = 1);',
- 'begin',
- ' Fly;',
- ' Fly();',
- ' Run;',
- ' Run();',
- 'end;',
- 'var o: TObject;',
- 'begin',
- ' o.Fly;',
- ' o.Fly();',
- ' o.Run;',
- ' o.Run();',
- ' with o do begin',
- ' Fly;',
- ' Fly();',
- ' Run;',
- ' Run();',
- ' end;',
- ' TObject.Fly;',
- ' TObject.Fly();',
- ' TObject.Run;',
- ' TObject.Run();',
- ' with TObject do begin',
- ' Fly;',
- ' Fly();',
- ' Run;',
- ' Run();',
- ' end;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_Enumerator;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class end;',
- ' TItem = TObject;',
- ' TEnumerator = class',
- ' FCurrent: TItem;',
- ' property Current: TItem read FCurrent;',
- ' function MoveNext: boolean;',
- ' end;',
- ' TBird = class',
- ' FItems: array of TItem;',
- ' end;',
- ' TBirdHelper = class helper for TBird',
- ' function GetEnumerator: TEnumerator;',
- ' end;',
- 'function TEnumerator.MoveNext: boolean;',
- 'begin',
- 'end;',
- 'function TBirdHelper.GetEnumerator: TEnumerator;',
- 'begin',
- ' Result.FCurrent:=FItems[0];',
- ' Result.FCurrent:=Self.FItems[0];',
- 'end;',
- 'var',
- ' b: TBird;',
- ' i: TItem;',
- ' {#i2}i2: TItem;',
- 'begin',
- ' for i in b do {@i2}i2:=i;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_FromUnitInterface;
- begin
- AddModuleWithIntfImplSrc('unit2.pas',
- LinesToStr([
- 'type',
- ' TObject = class',
- ' public',
- ' Id: word;',
- ' end;',
- ' TObjHelper = class helper for TObject',
- ' property Size: word read ID write ID;',
- ' end;',
- '']),
- '');
- AddModuleWithIntfImplSrc('unit3.pas',
- LinesToStr([
- 'uses unit2;',
- 'type',
- ' TObjHelper = class helper for TObject',
- ' property Size: word read ID write ID;',
- ' end;',
- '']),
- '');
- StartProgram(true);
- Add([
- 'uses unit2, unit3;',
- 'var o: TObject;',
- 'begin',
- ' o.Size:=o.Size;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_Constructor_NewInstance;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- ActualNewInstance, ActualImplicitCallWithoutParams: Boolean;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' end;',
- ' THelper = class helper for TObject',
- ' constructor Create;',
- ' class function DoSome: TObject;',
- ' end;',
- 'constructor THelper.Create;',
- 'begin',
- ' {#a}Create; // normal call',
- ' TObject.{#b}Create; // new instance',
- 'end;',
- 'class function THelper.DoSome: TObject;',
- 'begin',
- ' Result:={#c}Create; // new instance',
- 'end;',
- 'var',
- ' o: TObject;',
- 'begin',
- ' TObject.{#p}Create; // new object',
- ' o:=TObject.{#q}Create; // new object',
- ' with TObject do begin',
- ' {#r}Create; // new object',
- ' o:={#s}Create; // new object',
- ' end;',
- ' o.{#t}Create; // normal call',
- ' o:=o.{#u}Create; // normal call',
- ' with o do begin',
- ' {#v}Create; // normal call',
- ' o:={#w}Create; // normal call',
- ' end;',
- '']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestClassHelper_Constructor_NewInstance ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualNewInstance:=false;
- ActualImplicitCallWithoutParams:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestClassHelper_Constructor_NewInstance ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestClassHelper_Constructor_NewInstance ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- if (Ref.Declaration is TPasConstructor) then
- ActualNewInstance:=rrfNewInstance in Ref.Flags;
- ActualImplicitCallWithoutParams:=rrfImplicitCallWithoutParams in Ref.Flags;
- break;
- end;
- if not ActualImplicitCallWithoutParams then
- RaiseErrorAtSrcMarker('expected implicit call at "#'+aMarker^.Identifier+', but got function ref"',aMarker);
- case aMarker^.Identifier of
- 'a','t','u','v','w':// should be normal call
- if ActualNewInstance then
- RaiseErrorAtSrcMarker('expected normal call at "#'+aMarker^.Identifier+', but got newinstance"',aMarker);
- else // should be newinstance
- if not ActualNewInstance then
- RaiseErrorAtSrcMarker('expected newinstance at "#'+aMarker^.Identifier+', but got normal call"',aMarker);
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestClassHelper_ReintroduceHides_CallFail;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' constructor Create(o: tobject);',
- ' end;',
- ' TBird = class helper for TObject',
- ' constructor Create(i: longint); reintroduce;',
- ' end;',
- 'constructor tobject.Create(o: tobject); begin end;',
- 'constructor tbird.Create(i: longint); begin end;',
- 'var o: TObject;',
- 'begin',
- ' o:=TObject.Create(nil);',
- '']);
- CheckResolverException('Incompatible type arg no. 1: Got "Nil", expected "Longint"',
- nIncompatibleTypeArgNo);
- end;
- procedure TTestResolver.TestClassHelper_DefaultProperty;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TObject = class',
- ' function GetB(Index: longint): longint;',
- ' procedure SetB(Index: longint; Value: longint);',
- ' end;',
- ' THelper = class helper for TObject',
- ' property B[Index: longint]: longint read GetB write SetB; default;',
- ' end;',
- 'function TObject.GetB(Index: longint): longint;',
- 'begin',
- 'end;',
- 'procedure TObject.SetB(Index: longint; Value: longint);',
- 'begin',
- ' if Value=Self[Index] then ;',
- ' Self[Index]:=Value;',
- 'end;',
- 'var o: TObject;',
- 'begin',
- ' o[3]:=4;',
- ' if o[5]=6 then;',
- ' if 7=o[8] then;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_DefaultClassProperty;
- begin
- StartProgram(false);
- Add([
- 'type',
- ' TClass = class of TObject;',
- ' TObject = class',
- ' class function GetB(Index: longint): longint; static;',
- ' class procedure SetB(Index: longint; Value: longint); static;',
- ' end;',
- ' THelper = class helper for TObject',
- ' class property B[Index: longint]: longint read GetB write SetB; default;',
- ' end;',
- 'class function TObject.GetB(Index: longint): longint;',
- 'begin',
- 'end;',
- 'class procedure TObject.SetB(Index: longint; Value: longint);',
- 'begin',
- ' if Value=TObject[Index] then ;',
- ' TObject[Index]:=Value;',
- 'end;',
- 'var c: TClass;',
- 'begin',
- ' c[3]:=4;',
- ' if c[5]=6 then;',
- ' if 7=c[8] then;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestClassHelper_MultiHelpers;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch multihelpers}',
- 'type',
- ' TObject = class',
- ' end;',
- ' TFlyHelper = class helper for TObject',
- ' procedure {#Fly}Fly;',
- ' procedure {#FlyMove}Move;',
- ' end;',
- ' TRunHelper = class helper for TObject',
- ' procedure {#Run}Run;',
- ' procedure {#RunMove}Move;',
- ' procedure {#RunBack}Back;',
- ' end;',
- ' TSwimHelper = class helper for TObject',
- ' procedure {#Swim}Swim;',
- ' procedure {#SwimBack}Back;',
- ' end;',
- 'procedure TFlyHelper.Fly; begin end;',
- 'procedure TFlyHelper.Move; begin end;',
- 'procedure TRunHelper.Run; begin end;',
- 'procedure TRunHelper.Move; begin end;',
- 'procedure TRunHelper.Back; begin end;',
- 'procedure TSwimHelper.Swim; begin end;',
- 'procedure TSwimHelper.Back; begin end;',
- 'var o: TObject;',
- 'begin',
- ' o.{@Fly}Fly;',
- ' o.{@Run}Run;',
- ' o.{@Swim}Swim;',
- ' o.{@RunMove}Move;',
- ' o.{@SwimBack}Back;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecordHelper;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TProc = procedure of object;',
- ' TRec = record',
- ' x: word;',
- ' end;',
- ' TRecHelper = record helper for TRec',
- ' type T = word;',
- ' const',
- ' c: T = 3;',
- ' k: T = 4;',
- ' class var',
- ' v: T;',
- ' w: T;',
- ' procedure Fly;',
- ' end;',
- ' TAnt = word;',
- ' TAntHelper = record helper for TAnt',
- ' end;',
- 'procedure TRecHelper.Fly;',
- 'var',
- ' r: TRec;',
- ' p: TProc;',
- 'begin',
- ' Self:=r;',
- ' r:=Self;',
- ' c:=v+x;',
- ' x:=k+w;',
- ' p:=Fly;',
- 'end;',
- 'var',
- ' r: TRec;',
- ' p: TProc;',
- 'begin',
- ' p:=r.Fly;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecordHelper_ForByteFail;
- begin
- StartProgram(false);
- Add([
- '{$mode objfpc}',
- 'type',
- ' TRecHelper = record helper for byte',
- ' class var Glob: word;',
- ' end;',
- 'begin',
- '']);
- CheckResolverException('Type "Byte" cannot be extended by a record helper',nTypeXCannotBeExtendedByARecordHelper);
- end;
- procedure TTestResolver.TestRecordHelper_ClassNonStaticFail;
- begin
- StartProgram(false);
- Add([
- '{$mode delphi}',
- 'type',
- ' TRec = record',
- ' x: word;',
- ' end;',
- ' TRecHelper = record helper for TRec',
- ' class procedure Fly;',
- ' end;',
- 'class procedure TRecHelper.Fly;',
- 'begin',
- 'end;',
- 'begin',
- '']);
- CheckResolverException('Class methods must be static in record helper',nClassMethodsMustBeStaticInX);
- end;
- procedure TTestResolver.TestRecordHelper_InheritedObjFPC;
- begin
- StartProgram(false);
- Add([
- '{$mode objfpc}',
- '{$modeswitch advancedrecords}',
- 'type',
- ' TRec = record',
- ' procedure {#TRec_Fly}Fly;',
- ' end;',
- ' TRecHelper = record helper for TRec',
- ' procedure {#TRecHelper_Fly}Fly;',
- ' procedure {#TRecHelper_Walk}Walk;',
- ' procedure {#TRecHelper_Run}Run;',
- ' end;',
- ' TEagleHelper = record helper(TRecHelper) for TRec',
- ' procedure {#TEagleHelper_Fly}Fly;',
- ' procedure {#TEagleHelper_Run}Run;',
- ' end;',
- 'procedure TRec.fly;',
- 'begin',
- 'end;',
- 'procedure TRechelper.fly;',
- 'begin',
- ' {@TRec_Fly}inherited;',
- ' inherited {@TRec_Fly}Fly;',
- 'end;',
- 'procedure TRechelper.walk;',
- 'begin',
- ' inherited;', // ignore
- 'end;',
- 'procedure TRechelper.run;',
- 'begin',
- ' inherited;', // ignore
- 'end;',
- 'procedure teagleHelper.fly;',
- 'begin',
- ' {@TRec_Fly}inherited;',
- ' inherited {@TRec_Fly}Fly;',
- 'end;',
- 'procedure teagleHelper.run;',
- 'begin',
- ' {@TRecHelper_Run}inherited;',
- ' inherited {@TRecHelper_Run}Run;',
- 'end;',
- 'var',
- ' r: TRec;',
- 'begin',
- ' r.{@TEagleHelper_Fly}Fly;',
- ' r.{@TRecHelper_Walk}Walk;',
- ' r.{@TEagleHelper_Run}Run;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestRecordHelper_Constructor_NewInstance;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualNewInstance: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch advancedrecords}',
- '{$modeswitch typehelpers}',
- 'type',
- ' TRec = record',
- ' constructor Create(w: word);',
- ' class function DoSome: TRec; static;',
- ' end;',
- 'constructor TRec.Create(w: word);',
- 'begin',
- ' {#a}Create(1); // normal call',
- ' TRec.{#b}Create(2); // new instance',
- 'end;',
- 'class function TRec.DoSome: TRec;',
- 'begin',
- ' Result:={#c}Create(3); // new instance',
- 'end;',
- 'var',
- ' r: TRec;',
- 'begin',
- ' TRec.{#p}Create(4); // new object',
- ' r:=TRec.{#q}Create(5); // new object',
- ' with TRec do begin',
- ' {#r}Create(6); // new object',
- ' r:={#s}Create(7); // new object',
- ' end;',
- ' r.{#t}Create(8); // normal call',
- ' r:=r.{#u}Create(9); // normal call',
- ' with r do begin',
- ' {#v}Create(10); // normal call',
- ' r:={#w}Create(11); // normal call',
- ' end;',
- '']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualNewInstance:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- if (Ref.Declaration is TPasConstructor) then
- ActualNewInstance:=rrfNewInstance in Ref.Flags;
- if rrfImplicitCallWithoutParams in Ref.Flags then
- RaiseErrorAtSrcMarker('unexpected implicit call at "#'+aMarker^.Identifier+' ref"',aMarker);
- break;
- end;
- case aMarker^.Identifier of
- 'a','t','u','v','w':// should be normal call
- if ActualNewInstance then
- RaiseErrorAtSrcMarker('expected normal call at "#'+aMarker^.Identifier+', but got newinstance"',aMarker);
- else // should be newinstance
- if not ActualNewInstance then
- RaiseErrorAtSrcMarker('expected newinstance at "#'+aMarker^.Identifier+', but got normal call"',aMarker);
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestTypeHelper;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TStringHelper = type helper for string',
- ' end;',
- ' TCaption = string;',
- ' TCapHelper = type helper(TStringHelper) for TCaption',
- ' procedure Fly;',
- ' end;',
- ' TProc = procedure of object;',
- 'procedure TCapHelper.Fly; begin end;',
- 'var',
- ' c: TCaption;',
- ' p: TProc;',
- 'begin',
- ' c.Fly;',
- ' p:[email protected];',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_HelperForProcTypeFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TProc = procedure;',
- ' THelper = type helper for TProc',
- ' end;',
- 'begin',
- '']);
- CheckResolverException('Type "TProc" cannot be extended by a type helper',
- nTypeXCannotBeExtendedByATypeHelper);
- end;
- procedure TTestResolver.TestTypeHelper_DefaultPropertyFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TStringHelper = type helper for string',
- ' end;',
- ' TCaption = string;',
- ' TCapHelper = type helper(TStringHelper) for TCaption',
- ' function GetItems(Index: boolean): boolean;',
- ' property Items[Index: boolean]: boolean read GetItems; default;',
- ' end;',
- 'function TCapHelper.GetItems(Index: boolean): boolean; begin end;',
- 'begin',
- '']);
- CheckResolverException('Default property not allowed in helper for TCaption',
- nDefaultPropertyNotAllowedInHelperForX);
- end;
- procedure TTestResolver.TestTypeHelper_Enum;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TFlag = (Red, Green, Blue);',
- ' THelper = type helper for TFlag',
- ' function toString: string;',
- ' class procedure Fly; static;',
- ' end;',
- 'function THelper.toString: string;',
- 'begin',
- ' Self:=Red;',
- ' if Self=TFlag.Blue then ;',
- ' Result:=str(Self);',
- 'end;',
- 'class procedure THelper.Fly;',
- 'begin',
- 'end;',
- 'var',
- ' f: TFlag;',
- 'begin',
- ' f.toString;',
- ' green.toString;',
- ' TFlag.green.toString;',
- ' TFlag.Fly;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_EnumDotValueFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TFlag = (Red, Green, Blue);',
- ' THelper = type helper for TFlag',
- ' end;',
- 'var',
- ' f: TFlag;',
- 'begin',
- ' f:=f.red;',
- '']);
- CheckResolverException('identifier not found "red"',nIdentifierNotFound);
- end;
- procedure TTestResolver.TestTypeHelper_EnumHelperDotProcFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TFlag = (Red, Green, Blue);',
- ' THelper = type helper for TFlag',
- ' procedure Fly;',
- ' end;',
- 'procedure THelper.Fly;',
- 'begin',
- 'end;',
- 'begin',
- ' TFlag.Fly;',
- '']);
- CheckResolverException('Cannot access this member from a type helper',nCannotAccessThisMemberFromAX);
- end;
- procedure TTestResolver.TestTypeHelper_Set;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TEnum = (Red, Green, Blue);',
- ' TSetOfEnum = set of TEnum;',
- ' THelper = type helper for TSetOfEnum',
- ' procedure Fly;',
- ' class procedure Run; static;',
- ' end;',
- 'procedure THelper.Fly;',
- 'begin',
- ' Self:=[];',
- ' Self:=[green];',
- ' Include(Self,blue);',
- 'end;',
- 'class procedure THelper.Run;',
- 'begin',
- 'end;',
- 'var s: TSetOfEnum;',
- 'begin',
- ' s.Fly;',
- //' with s do Fly;',
- ' TSetOfEnum.Run;',
- //' with TSetOfEnum do Run;',
- //' [green].Fly', not supported
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_Enumerator;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TObject = class end;',
- ' TItem = byte;',
- ' TEnumerator = class',
- ' FCurrent: TItem;',
- ' property Current: TItem read FCurrent;',
- ' function MoveNext: boolean;',
- ' end;',
- ' TWordHelper = type helper for Word',
- ' function GetEnumerator: TEnumerator;',
- ' end;',
- 'function TEnumerator.MoveNext: boolean;',
- 'begin',
- 'end;',
- 'function TWordHelper.GetEnumerator: TEnumerator;',
- 'begin',
- ' if Self=2 then ;',
- ' Self:=Self+3;',
- 'end;',
- 'var',
- ' w: word;',
- ' i: TItem;',
- ' {#i2}i2: TItem;',
- 'begin',
- ' w.GetEnumerator;',
- ' for i in w do {@i2}i2:=i;']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_String;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TStringHelper = type helper for String',
- ' procedure DoIt;',
- ' end;',
- ' TCharHelper = type helper for char',
- ' procedure Fly;',
- ' end;',
- 'procedure TStringHelper.DoIt;',
- 'begin',
- ' Self[1]:=Self[2];',
- 'end;',
- 'procedure TCharHelper.Fly;',
- 'begin',
- ' Self:=''c'';',
- ' Self:=Self;',
- 'end;',
- 'begin',
- ' ''abc''.DoIt;',
- ' ''xyz''.DoIt();',
- ' ''c''.Fly;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_Boolean;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' THelper = type helper for boolean',
- ' procedure DoIt;',
- ' end;',
- 'procedure THelper.DoIt;',
- 'begin',
- ' Self:=not Self;',
- 'end;',
- 'begin',
- ' false.DoIt;',
- ' true.DoIt();']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_Double;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' Float = double;',
- ' THelper = type helper for float',
- ' const NPI = 3.141592;',
- ' function ToStr: String;',
- ' end;',
- 'function THelper.ToStr: String;',
- 'begin',
- 'end;',
- 'var',
- ' a,b: Float;',
- ' s: string;',
- 'begin',
- ' s:=(a * b.NPI).ToStr;',
- ' s:=(a * float.NPI).ToStr;',
- ' s:=float.NPI.ToStr;',
- ' s:=3.2.ToStr;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_DoubleAlias;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' Float = type double;',
- ' THelper = type helper for float',
- ' const NPI = 3.141592;',
- ' function ToStr: String;',
- ' end;',
- 'function THelper.ToStr: String;',
- 'begin',
- 'end;',
- 'var',
- ' a,b: Float;',
- ' s: string;',
- 'begin',
- ' s:=(a * b.NPI).ToStr;',
- ' s:=(a * float.NPI).ToStr;',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_Constructor_NewInstance;
- var
- aMarker: PSrcMarker;
- Elements: TFPList;
- ActualNewInstance: Boolean;
- i: Integer;
- El: TPasElement;
- Ref: TResolvedReference;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' TInt = type word;',
- ' THelper = type helper for TInt',
- ' constructor Create(w: TInt);',
- ' class function DoSome: TInt; static;',
- ' end;',
- 'constructor THelper.Create(w: TInt);',
- 'begin',
- ' {#a}Create(1); // normal call',
- ' TInt.{#b}Create(2); // new instance',
- 'end;',
- 'class function THelper.DoSome: TInt;',
- 'begin',
- ' Result:={#c}Create(3); // new instance',
- 'end;',
- 'var',
- ' r: TInt;',
- 'begin',
- ' TInt.{#p}Create(4); // new object',
- ' r:=TInt.{#q}Create(5); // new object',
- ' with TInt do begin',
- ' {#r}Create(6); // new object',
- ' r:={#s}Create(7); // new object',
- ' end;',
- ' r.{#t}Create(8); // normal call',
- ' r:=r.{#u}Create(9); // normal call',
- ' with r do begin',
- ' {#v}Create(10); // normal call',
- ' r:={#w}Create(11); // normal call',
- ' end;',
- '']);
- ParseProgram;
- aMarker:=FirstSrcMarker;
- while aMarker<>nil do
- begin
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',aMarker^.Identifier,' ',aMarker^.StartCol,' ',aMarker^.EndCol);
- Elements:=FindElementsAt(aMarker);
- try
- ActualNewInstance:=false;
- for i:=0 to Elements.Count-1 do
- begin
- El:=TPasElement(Elements[i]);
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',aMarker^.Identifier,' ',i,'/',Elements.Count,' El=',GetObjName(El),' ',GetObjName(El.CustomData));
- if not (El.CustomData is TResolvedReference) then continue;
- Ref:=TResolvedReference(El.CustomData);
- if not (Ref.Declaration is TPasProcedure) then continue;
- //writeln('TTestResolver.TestAdvRecord_Constructor_NewInstance ',GetObjName(Ref.Declaration),' rrfNewInstance=',rrfNewInstance in Ref.Flags);
- if (Ref.Declaration is TPasConstructor) then
- ActualNewInstance:=rrfNewInstance in Ref.Flags;
- if rrfImplicitCallWithoutParams in Ref.Flags then
- RaiseErrorAtSrcMarker('unexpected implicit call at "#'+aMarker^.Identifier+' ref"',aMarker);
- break;
- end;
- case aMarker^.Identifier of
- 'a','t','u','v','w':// should be normal call
- if ActualNewInstance then
- RaiseErrorAtSrcMarker('expected normal call at "#'+aMarker^.Identifier+', but got newinstance"',aMarker);
- else // should be newinstance
- if not ActualNewInstance then
- RaiseErrorAtSrcMarker('expected newinstance at "#'+aMarker^.Identifier+', but got normal call"',aMarker);
- end;
- finally
- Elements.Free;
- end;
- aMarker:=aMarker^.Next;
- end;
- end;
- procedure TTestResolver.TestTypeHelper_Interface;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' IUnknown = interface',
- ' function GetSizes(Index: word): word;',
- ' procedure SetSizes(Index: word; value: word);',
- ' end;',
- ' TObject = class(IUnknown)',
- ' function GetSizes(Index: word): word; virtual; abstract;',
- ' procedure SetSizes(Index: word; value: word); virtual; abstract;',
- ' end;',
- ' THelper = type helper for IUnknown',
- ' procedure Fly;',
- ' class procedure Run; static;',
- ' property Sizes[Index: word]: word read GetSizes write SetSizes; default;',
- ' end;',
- 'var',
- ' i: IUnknown;',
- ' o: TObject;',
- 'procedure THelper.Fly;',
- 'begin',
- ' i:=Self;',
- ' o:=Self as TObject;',
- ' Self:=nil;',
- ' Self:=i;',
- ' Self:=o;',
- 'end;',
- 'class procedure THelper.Run;',
- 'begin',
- 'end;',
- 'begin',
- ' i.Fly;',
- ' i.Fly();',
- ' i.Run;',
- ' i.Run();',
- ' i.Sizes[3]:=i.Sizes[4];',
- ' i[5]:=i[6];',
- ' IUnknown.Run;',
- ' IUnknown.Run();',
- '']);
- ParseProgram;
- end;
- procedure TTestResolver.TestTypeHelper_Interface_ConstructorFail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch typehelpers}',
- 'type',
- ' IUnknown = interface',
- ' end;',
- ' THelper = type helper for IUnknown',
- ' constructor Fly;',
- ' end;',
- 'constructor THelper.Fly;',
- 'begin',
- 'end;',
- 'begin',
- '']);
- CheckResolverException('constructor is not supported',nXIsNotSupported);
- end;
- procedure TTestResolver.TestAttributes_Globals;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch prefixedattributes}',
- 'type',
- ' TObject = class',
- ' constructor {#TObject_Create}Create;',
- ' end;',
- ' {#Custom}TCustomAttribute = class',
- ' end;',
- ' {#Red}RedAttribute = class(TCustomAttribute)',
- ' constructor {#Red_A}Create(Id: word = 3; Deep: boolean = false); overload;',
- ' constructor {#Red_B}Create(Size: double); overload;',
- ' end;',
- ' Red = word;',
- 'constructor TObject.Create; begin end;',
- 'constructor RedAttribute.Create(Id: word; Deep: boolean); begin end;',
- 'constructor RedAttribute.Create(Size: double); begin end;',
- 'var',
- ' [{#Attr__Custom__TObject_Create}TCustom]',
- ' [{#Attr__Red__Red_A__1}Red,afile.{#Attr__Red__Red_A__2}Red]',
- ' o: TObject;',
- 'const',
- ' [{#Attr__Red__Red_B}RedAttribute(1.3)]',
- ' c = 3;',
- 'begin',
- '']);
- ParseProgram;
- CheckAttributeMarkers;
- CheckResolverUnexpectedHints;
- end;
- procedure TTestResolver.TestAttributes_NonConstParam_Fail;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch prefixedattributes}',
- 'type',
- ' TObject = class',
- ' constructor Create(w: word);',
- ' end;',
- ' TCustomAttribute = class',
- ' end;',
- 'constructor TObject.Create(w: word);',
- 'begin',
- 'end;',
- 'var',
- ' w: word;',
- ' [TCustom(w)]',
- ' o: TObject;',
- 'begin',
- '']);
- CheckResolverException(sConstantExpressionExpected,nConstantExpressionExpected);
- end;
- procedure TTestResolver.TestAttributes_UnknownAttrWarning;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch prefixedattributes}',
- 'type',
- ' TObject = class',
- ' end;',
- ' TCustomAttribute = class',
- ' end;',
- 'var',
- ' [Red]',
- ' o: TObject;',
- 'begin',
- '']);
- ParseProgram;
- CheckResolverHint(mtWarning,nUnknownCustomAttributeX,'Unknown custom attribute "Red"');
- end;
- procedure TTestResolver.TestAttributes_Members;
- begin
- StartProgram(false);
- Add([
- '{$modeswitch prefixedattributes}',
- 'type',
- ' TObject = class',
- ' constructor {#create}Create;',
- ' end;',
- ' {#custom}TCustomAttribute = class',
- ' end;',
- ' TMyClass = class',
- ' [{#attr__custom__create__cl}TCustom]',
- ' Field: word;',
- ' end;',
- ' TMyRecord = record',
- ' [{#attr__custom__create__rec}TCustom]',
- ' Field: word;',
- ' end;',
- 'constructor TObject.Create;',
- 'begin',
- 'end;',
- 'begin',
- '']);
- ParseProgram;
- CheckAttributeMarkers;
- end;
- initialization
- RegisterTests([TTestResolver]);
- end.
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