| //===--- Sema.h - Semantic Analysis & AST Building --------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the Sema class, which performs semantic analysis and |
| // builds ASTs. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_AST_SEMA_H |
| #define LLVM_CLANG_AST_SEMA_H |
| |
| #include "IdentifierResolver.h" |
| #include "CXXFieldCollector.h" |
| #include "SemaOverload.h" |
| #include "SemaTemplate.h" |
| #include "clang/AST/Attr.h" |
| #include "clang/AST/DeclBase.h" |
| #include "clang/AST/Decl.h" |
| #include "clang/AST/DeclObjC.h" |
| #include "clang/AST/DeclTemplate.h" |
| #include "clang/Parse/Action.h" |
| #include "clang/Sema/SemaDiagnostic.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/ADT/DenseSet.h" |
| #include "llvm/ADT/SmallPtrSet.h" |
| #include "llvm/ADT/OwningPtr.h" |
| #include <deque> |
| #include <list> |
| #include <string> |
| #include <vector> |
| |
| namespace llvm { |
| class APSInt; |
| } |
| |
| namespace clang { |
| class ASTContext; |
| class ASTConsumer; |
| class CodeCompleteConsumer; |
| class Preprocessor; |
| class Decl; |
| class DeclContext; |
| class DeclSpec; |
| class ExternalSemaSource; |
| class NamedDecl; |
| class Stmt; |
| class Expr; |
| class InitListExpr; |
| class ParenListExpr; |
| class DesignatedInitExpr; |
| class CallExpr; |
| class DeclRefExpr; |
| class VarDecl; |
| class ParmVarDecl; |
| class TypedefDecl; |
| class FunctionDecl; |
| class QualType; |
| class LangOptions; |
| class Token; |
| class IntegerLiteral; |
| class StringLiteral; |
| class ArrayType; |
| class LabelStmt; |
| class SwitchStmt; |
| class CXXTryStmt; |
| class ExtVectorType; |
| class TypedefDecl; |
| class TemplateDecl; |
| class TemplateArgument; |
| class TemplateArgumentLoc; |
| class TemplateArgumentList; |
| class TemplateParameterList; |
| class TemplateTemplateParmDecl; |
| class ClassTemplatePartialSpecializationDecl; |
| class ClassTemplateDecl; |
| class ObjCInterfaceDecl; |
| class ObjCCompatibleAliasDecl; |
| class ObjCProtocolDecl; |
| class ObjCImplDecl; |
| class ObjCImplementationDecl; |
| class ObjCCategoryImplDecl; |
| class ObjCCategoryDecl; |
| class ObjCIvarDecl; |
| class ObjCMethodDecl; |
| class ObjCPropertyDecl; |
| class ObjCContainerDecl; |
| class FunctionProtoType; |
| class CXXBasePaths; |
| class CXXTemporary; |
| |
| /// BlockSemaInfo - When a block is being parsed, this contains information |
| /// about the block. It is pointed to from Sema::CurBlock. |
| struct BlockSemaInfo { |
| llvm::SmallVector<ParmVarDecl*, 8> Params; |
| bool hasPrototype; |
| bool isVariadic; |
| bool hasBlockDeclRefExprs; |
| |
| BlockDecl *TheDecl; |
| |
| /// TheScope - This is the scope for the block itself, which contains |
| /// arguments etc. |
| Scope *TheScope; |
| |
| /// ReturnType - This will get set to block result type, by looking at |
| /// return types, if any, in the block body. |
| QualType ReturnType; |
| |
| /// LabelMap - This is a mapping from label identifiers to the LabelStmt for |
| /// it (which acts like the label decl in some ways). Forward referenced |
| /// labels have a LabelStmt created for them with a null location & SubStmt. |
| llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap; |
| |
| /// SwitchStack - This is the current set of active switch statements in the |
| /// block. |
| llvm::SmallVector<SwitchStmt*, 8> SwitchStack; |
| |
| /// SavedFunctionNeedsScopeChecking - This is the value of |
| /// CurFunctionNeedsScopeChecking at the point when the block started. |
| bool SavedFunctionNeedsScopeChecking; |
| |
| /// PrevBlockInfo - If this is nested inside another block, this points |
| /// to the outer block. |
| BlockSemaInfo *PrevBlockInfo; |
| }; |
| |
| /// \brief Holds a QualType and a DeclaratorInfo* that came out of a declarator |
| /// parsing. |
| /// |
| /// LocInfoType is a "transient" type, only needed for passing to/from Parser |
| /// and Sema, when we want to preserve type source info for a parsed type. |
| /// It will not participate in the type system semantics in any way. |
| class LocInfoType : public Type { |
| enum { |
| // The last number that can fit in Type's TC. |
| // Avoids conflict with an existing Type class. |
| LocInfo = (1 << TypeClassBitSize) - 1 |
| }; |
| |
| DeclaratorInfo *DeclInfo; |
| |
| LocInfoType(QualType ty, DeclaratorInfo *DInfo) |
| : Type((TypeClass)LocInfo, ty, ty->isDependentType()), DeclInfo(DInfo) { |
| assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?"); |
| } |
| friend class Sema; |
| |
| public: |
| QualType getType() const { return getCanonicalTypeInternal(); } |
| DeclaratorInfo *getDeclaratorInfo() const { return DeclInfo; } |
| |
| virtual void getAsStringInternal(std::string &Str, |
| const PrintingPolicy &Policy) const; |
| |
| static bool classof(const Type *T) { |
| return T->getTypeClass() == (TypeClass)LocInfo; |
| } |
| static bool classof(const LocInfoType *) { return true; } |
| }; |
| |
| /// Sema - This implements semantic analysis and AST building for C. |
| class Sema : public Action { |
| Sema(const Sema&); // DO NOT IMPLEMENT |
| void operator=(const Sema&); // DO NOT IMPLEMENT |
| public: |
| const LangOptions &LangOpts; |
| Preprocessor &PP; |
| ASTContext &Context; |
| ASTConsumer &Consumer; |
| Diagnostic &Diags; |
| SourceManager &SourceMgr; |
| |
| /// \brief Source of additional semantic information. |
| ExternalSemaSource *ExternalSource; |
| |
| /// \brief Code-completion consumer. |
| CodeCompleteConsumer *CodeCompleter; |
| |
| /// CurContext - This is the current declaration context of parsing. |
| DeclContext *CurContext; |
| |
| /// PreDeclaratorDC - Keeps the declaration context before switching to the |
| /// context of a declarator's nested-name-specifier. |
| DeclContext *PreDeclaratorDC; |
| |
| /// CurBlock - If inside of a block definition, this contains a pointer to |
| /// the active block object that represents it. |
| BlockSemaInfo *CurBlock; |
| |
| /// PackContext - Manages the stack for #pragma pack. An alignment |
| /// of 0 indicates default alignment. |
| void *PackContext; // Really a "PragmaPackStack*" |
| |
| /// FunctionLabelMap - This is a mapping from label identifiers to the |
| /// LabelStmt for it (which acts like the label decl in some ways). Forward |
| /// referenced labels have a LabelStmt created for them with a null location & |
| /// SubStmt. |
| /// |
| /// Note that this should always be accessed through getLabelMap() in order |
| /// to handle blocks properly. |
| llvm::DenseMap<IdentifierInfo*, LabelStmt*> FunctionLabelMap; |
| |
| /// FunctionSwitchStack - This is the current set of active switch statements |
| /// in the top level function. Clients should always use getSwitchStack() to |
| /// handle the case when they are in a block. |
| llvm::SmallVector<SwitchStmt*, 8> FunctionSwitchStack; |
| |
| /// ExprTemporaries - This is the stack of temporaries that are created by |
| /// the current full expression. |
| llvm::SmallVector<CXXTemporary*, 8> ExprTemporaries; |
| |
| /// CurFunctionNeedsScopeChecking - This is set to true when a function or |
| /// ObjC method body contains a VLA or an ObjC try block, which introduce |
| /// scopes that need to be checked for goto conditions. If a function does |
| /// not contain this, then it need not have the jump checker run on it. |
| bool CurFunctionNeedsScopeChecking; |
| |
| /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| /// us to associate a raw vector type with one of the ext_vector type names. |
| /// This is only necessary for issuing pretty diagnostics. |
| llvm::SmallVector<TypedefDecl*, 24> ExtVectorDecls; |
| |
| /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. |
| llvm::OwningPtr<CXXFieldCollector> FieldCollector; |
| |
| typedef llvm::SmallPtrSet<const CXXRecordDecl*, 8> RecordDeclSetTy; |
| |
| /// PureVirtualClassDiagSet - a set of class declarations which we have |
| /// emitted a list of pure virtual functions. Used to prevent emitting the |
| /// same list more than once. |
| llvm::OwningPtr<RecordDeclSetTy> PureVirtualClassDiagSet; |
| |
| /// \brief A mapping from external names to the most recent |
| /// locally-scoped external declaration with that name. |
| /// |
| /// This map contains external declarations introduced in local |
| /// scoped, e.g., |
| /// |
| /// \code |
| /// void f() { |
| /// void foo(int, int); |
| /// } |
| /// \endcode |
| /// |
| /// Here, the name "foo" will be associated with the declaration on |
| /// "foo" within f. This name is not visible outside of |
| /// "f". However, we still find it in two cases: |
| /// |
| /// - If we are declaring another external with the name "foo", we |
| /// can find "foo" as a previous declaration, so that the types |
| /// of this external declaration can be checked for |
| /// compatibility. |
| /// |
| /// - If we would implicitly declare "foo" (e.g., due to a call to |
| /// "foo" in C when no prototype or definition is visible), then |
| /// we find this declaration of "foo" and complain that it is |
| /// not visible. |
| llvm::DenseMap<DeclarationName, NamedDecl *> LocallyScopedExternalDecls; |
| |
| /// \brief The set of tentative declarations seen so far in this |
| /// translation unit for which no definition has been seen. |
| /// |
| /// The tentative declarations are indexed by the name of the |
| /// declaration, and only the most recent tentative declaration for |
| /// a given variable will be recorded here. |
| llvm::DenseMap<DeclarationName, VarDecl *> TentativeDefinitions; |
| std::vector<DeclarationName> TentativeDefinitionList; |
| |
| /// WeakUndeclaredIdentifiers - Identifiers contained in |
| /// #pragma weak before declared. rare. may alias another |
| /// identifier, declared or undeclared |
| class WeakInfo { |
| IdentifierInfo *alias; // alias (optional) |
| SourceLocation loc; // for diagnostics |
| bool used; // identifier later declared? |
| public: |
| WeakInfo() |
| : alias(0), loc(SourceLocation()), used(false) {} |
| WeakInfo(IdentifierInfo *Alias, SourceLocation Loc) |
| : alias(Alias), loc(Loc), used(false) {} |
| inline IdentifierInfo * getAlias() const { return alias; } |
| inline SourceLocation getLocation() const { return loc; } |
| void setUsed(bool Used=true) { used = Used; } |
| inline bool getUsed() { return used; } |
| bool operator==(WeakInfo RHS) const { |
| return alias == RHS.getAlias() && loc == RHS.getLocation(); |
| } |
| bool operator!=(WeakInfo RHS) const { return !(*this == RHS); } |
| }; |
| llvm::DenseMap<IdentifierInfo*,WeakInfo> WeakUndeclaredIdentifiers; |
| |
| /// WeakTopLevelDecl - Translation-unit scoped declarations generated by |
| /// #pragma weak during processing of other Decls. |
| /// I couldn't figure out a clean way to generate these in-line, so |
| /// we store them here and handle separately -- which is a hack. |
| /// It would be best to refactor this. |
| llvm::SmallVector<Decl*,2> WeakTopLevelDecl; |
| |
| IdentifierResolver IdResolver; |
| |
| /// Translation Unit Scope - useful to Objective-C actions that need |
| /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| /// For example, user-defined classes, built-in "id" type, etc. |
| Scope *TUScope; |
| |
| /// \brief The C++ "std" namespace, where the standard library resides. |
| NamespaceDecl *StdNamespace; |
| |
| /// \brief The C++ "std::bad_alloc" class, which is defined by the C++ |
| /// standard library. |
| CXXRecordDecl *StdBadAlloc; |
| |
| /// A flag to remember whether the implicit forms of operator new and delete |
| /// have been declared. |
| bool GlobalNewDeleteDeclared; |
| |
| /// The current expression evaluation context. |
| ExpressionEvaluationContext ExprEvalContext; |
| |
| typedef std::vector<std::pair<SourceLocation, Decl *> > |
| PotentiallyReferencedDecls; |
| |
| /// A stack of declarations, each element of which is a set of declarations |
| /// that will be marked as referenced if the corresponding potentially |
| /// potentially evaluated expression is potentially evaluated. Each element |
| /// in the stack corresponds to a PotentiallyPotentiallyEvaluated expression |
| /// evaluation context. |
| std::list<PotentiallyReferencedDecls> PotentiallyReferencedDeclStack; |
| |
| /// \brief Whether the code handled by Sema should be considered a |
| /// complete translation unit or not. |
| /// |
| /// When true (which is generally the case), Sema will perform |
| /// end-of-translation-unit semantic tasks (such as creating |
| /// initializers for tentative definitions in C) once parsing has |
| /// completed. This flag will be false when building PCH files, |
| /// since a PCH file is by definition not a complete translation |
| /// unit. |
| bool CompleteTranslationUnit; |
| |
| llvm::BumpPtrAllocator BumpAlloc; |
| |
| /// \brief The number of SFINAE diagnostics that have been trapped. |
| unsigned NumSFINAEErrors; |
| |
| typedef llvm::DenseMap<Selector, ObjCMethodList> MethodPool; |
| |
| /// Instance/Factory Method Pools - allows efficient lookup when typechecking |
| /// messages to "id". We need to maintain a list, since selectors can have |
| /// differing signatures across classes. In Cocoa, this happens to be |
| /// extremely uncommon (only 1% of selectors are "overloaded"). |
| MethodPool InstanceMethodPool; |
| MethodPool FactoryMethodPool; |
| |
| MethodPool::iterator ReadMethodPool(Selector Sel, bool isInstance); |
| |
| /// Private Helper predicate to check for 'self'. |
| bool isSelfExpr(Expr *RExpr); |
| public: |
| Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer, |
| bool CompleteTranslationUnit = true); |
| ~Sema() { |
| if (PackContext) FreePackedContext(); |
| } |
| |
| const LangOptions &getLangOptions() const { return LangOpts; } |
| Diagnostic &getDiagnostics() const { return Diags; } |
| SourceManager &getSourceManager() const { return SourceMgr; } |
| |
| /// \brief Helper class that creates diagnostics with optional |
| /// template instantiation stacks. |
| /// |
| /// This class provides a wrapper around the basic DiagnosticBuilder |
| /// class that emits diagnostics. SemaDiagnosticBuilder is |
| /// responsible for emitting the diagnostic (as DiagnosticBuilder |
| /// does) and, if the diagnostic comes from inside a template |
| /// instantiation, printing the template instantiation stack as |
| /// well. |
| class SemaDiagnosticBuilder : public DiagnosticBuilder { |
| Sema &SemaRef; |
| unsigned DiagID; |
| |
| public: |
| SemaDiagnosticBuilder(DiagnosticBuilder &DB, Sema &SemaRef, unsigned DiagID) |
| : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) { } |
| |
| explicit SemaDiagnosticBuilder(Sema &SemaRef) |
| : DiagnosticBuilder(DiagnosticBuilder::Suppress), SemaRef(SemaRef) { } |
| |
| ~SemaDiagnosticBuilder(); |
| }; |
| |
| /// \brief Emit a diagnostic. |
| SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID) { |
| if (isSFINAEContext() && Diagnostic::isBuiltinSFINAEDiag(DiagID)) { |
| // If we encountered an error during template argument |
| // deduction, and that error is one of the SFINAE errors, |
| // suppress the diagnostic. |
| ++NumSFINAEErrors; |
| Diags.setLastDiagnosticIgnored(); |
| return SemaDiagnosticBuilder(*this); |
| } |
| |
| DiagnosticBuilder DB = Diags.Report(FullSourceLoc(Loc, SourceMgr), DiagID); |
| return SemaDiagnosticBuilder(DB, *this, DiagID); |
| } |
| |
| /// \brief Emit a partial diagnostic. |
| SemaDiagnosticBuilder Diag(SourceLocation Loc, const PartialDiagnostic& PD); |
| |
| virtual void DeleteExpr(ExprTy *E); |
| virtual void DeleteStmt(StmtTy *S); |
| |
| OwningExprResult Owned(Expr* E) { return OwningExprResult(*this, E); } |
| OwningExprResult Owned(ExprResult R) { |
| if (R.isInvalid()) |
| return ExprError(); |
| return OwningExprResult(*this, R.get()); |
| } |
| OwningStmtResult Owned(Stmt* S) { return OwningStmtResult(*this, S); } |
| |
| virtual void ActOnEndOfTranslationUnit(); |
| |
| /// getLabelMap() - Return the current label map. If we're in a block, we |
| /// return it. |
| llvm::DenseMap<IdentifierInfo*, LabelStmt*> &getLabelMap() { |
| return CurBlock ? CurBlock->LabelMap : FunctionLabelMap; |
| } |
| |
| /// getSwitchStack - This is returns the switch stack for the current block or |
| /// function. |
| llvm::SmallVector<SwitchStmt*,8> &getSwitchStack() { |
| return CurBlock ? CurBlock->SwitchStack : FunctionSwitchStack; |
| } |
| |
| /// WeakTopLevelDeclDecls - access to #pragma weak-generated Decls |
| llvm::SmallVector<Decl*,2> &WeakTopLevelDecls() { return WeakTopLevelDecl; } |
| |
| virtual void ActOnComment(SourceRange Comment); |
| |
| //===--------------------------------------------------------------------===// |
| // Type Analysis / Processing: SemaType.cpp. |
| // |
| QualType adjustParameterType(QualType T); |
| void ProcessTypeAttributeList(QualType &Result, const AttributeList *AL); |
| QualType BuildPointerType(QualType T, unsigned Quals, |
| SourceLocation Loc, DeclarationName Entity); |
| QualType BuildReferenceType(QualType T, bool LValueRef, unsigned Quals, |
| SourceLocation Loc, DeclarationName Entity); |
| QualType BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM, |
| Expr *ArraySize, unsigned Quals, |
| SourceRange Brackets, DeclarationName Entity); |
| QualType BuildExtVectorType(QualType T, ExprArg ArraySize, |
| SourceLocation AttrLoc); |
| QualType BuildFunctionType(QualType T, |
| QualType *ParamTypes, unsigned NumParamTypes, |
| bool Variadic, unsigned Quals, |
| SourceLocation Loc, DeclarationName Entity); |
| QualType BuildMemberPointerType(QualType T, QualType Class, |
| unsigned Quals, SourceLocation Loc, |
| DeclarationName Entity); |
| QualType BuildBlockPointerType(QualType T, unsigned Quals, |
| SourceLocation Loc, DeclarationName Entity); |
| QualType GetTypeForDeclarator(Declarator &D, Scope *S, |
| DeclaratorInfo **DInfo = 0, |
| TagDecl **OwnedDecl = 0); |
| DeclaratorInfo *GetDeclaratorInfoForDeclarator(Declarator &D, QualType T); |
| /// \brief Create a LocInfoType to hold the given QualType and DeclaratorInfo. |
| QualType CreateLocInfoType(QualType T, DeclaratorInfo *DInfo); |
| DeclarationName GetNameForDeclarator(Declarator &D); |
| DeclarationName GetNameFromUnqualifiedId(UnqualifiedId &Name); |
| static QualType GetTypeFromParser(TypeTy *Ty, DeclaratorInfo **DInfo = 0); |
| bool CheckSpecifiedExceptionType(QualType T, const SourceRange &Range); |
| bool CheckDistantExceptionSpec(QualType T); |
| bool CheckEquivalentExceptionSpec( |
| const FunctionProtoType *Old, SourceLocation OldLoc, |
| const FunctionProtoType *New, SourceLocation NewLoc); |
| bool CheckEquivalentExceptionSpec( |
| const PartialDiagnostic &DiagID, const PartialDiagnostic & NoteID, |
| const FunctionProtoType *Old, SourceLocation OldLoc, |
| const FunctionProtoType *New, SourceLocation NewLoc); |
| bool CheckExceptionSpecSubset( |
| const PartialDiagnostic &DiagID, const PartialDiagnostic & NoteID, |
| const FunctionProtoType *Superset, SourceLocation SuperLoc, |
| const FunctionProtoType *Subset, SourceLocation SubLoc); |
| bool CheckParamExceptionSpec(const PartialDiagnostic & NoteID, |
| const FunctionProtoType *Target, SourceLocation TargetLoc, |
| const FunctionProtoType *Source, SourceLocation SourceLoc); |
| |
| QualType ObjCGetTypeForMethodDefinition(DeclPtrTy D); |
| |
| bool UnwrapSimilarPointerTypes(QualType& T1, QualType& T2); |
| |
| virtual TypeResult ActOnTypeName(Scope *S, Declarator &D); |
| |
| bool RequireCompleteType(SourceLocation Loc, QualType T, |
| const PartialDiagnostic &PD, |
| std::pair<SourceLocation, |
| PartialDiagnostic> Note = |
| std::make_pair(SourceLocation(), PDiag())); |
| |
| QualType getQualifiedNameType(const CXXScopeSpec &SS, QualType T); |
| |
| QualType BuildTypeofExprType(Expr *E); |
| QualType BuildDecltypeType(Expr *E); |
| |
| //===--------------------------------------------------------------------===// |
| // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| // |
| |
| /// getDeclName - Return a pretty name for the specified decl if possible, or |
| /// an empty string if not. This is used for pretty crash reporting. |
| virtual std::string getDeclName(DeclPtrTy D); |
| |
| DeclGroupPtrTy ConvertDeclToDeclGroup(DeclPtrTy Ptr); |
| |
| virtual TypeTy *getTypeName(IdentifierInfo &II, SourceLocation NameLoc, |
| Scope *S, const CXXScopeSpec *SS, |
| bool isClassName = false); |
| virtual DeclSpec::TST isTagName(IdentifierInfo &II, Scope *S); |
| virtual bool DiagnoseUnknownTypeName(const IdentifierInfo &II, |
| SourceLocation IILoc, |
| Scope *S, |
| const CXXScopeSpec *SS, |
| TypeTy *&SuggestedType); |
| |
| virtual DeclPtrTy ActOnDeclarator(Scope *S, Declarator &D) { |
| return HandleDeclarator(S, D, MultiTemplateParamsArg(*this), false); |
| } |
| |
| DeclPtrTy HandleDeclarator(Scope *S, Declarator &D, |
| MultiTemplateParamsArg TemplateParameterLists, |
| bool IsFunctionDefinition); |
| void RegisterLocallyScopedExternCDecl(NamedDecl *ND, NamedDecl *PrevDecl, |
| Scope *S); |
| void DiagnoseFunctionSpecifiers(Declarator& D); |
| NamedDecl* ActOnTypedefDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| QualType R, DeclaratorInfo *DInfo, |
| NamedDecl* PrevDecl, bool &Redeclaration); |
| NamedDecl* ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| QualType R, DeclaratorInfo *DInfo, |
| NamedDecl* PrevDecl, |
| MultiTemplateParamsArg TemplateParamLists, |
| bool &Redeclaration); |
| void CheckVariableDeclaration(VarDecl *NewVD, NamedDecl *PrevDecl, |
| bool &Redeclaration); |
| NamedDecl* ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| QualType R, DeclaratorInfo *DInfo, |
| NamedDecl* PrevDecl, |
| MultiTemplateParamsArg TemplateParamLists, |
| bool IsFunctionDefinition, |
| bool &Redeclaration); |
| void CheckFunctionDeclaration(FunctionDecl *NewFD, NamedDecl *&PrevDecl, |
| bool IsExplicitSpecialization, |
| bool &Redeclaration, |
| bool &OverloadableAttrRequired); |
| void CheckMain(FunctionDecl *FD); |
| virtual DeclPtrTy ActOnParamDeclarator(Scope *S, Declarator &D); |
| virtual void ActOnParamDefaultArgument(DeclPtrTy param, |
| SourceLocation EqualLoc, |
| ExprArg defarg); |
| virtual void ActOnParamUnparsedDefaultArgument(DeclPtrTy param, |
| SourceLocation EqualLoc, |
| SourceLocation ArgLoc); |
| virtual void ActOnParamDefaultArgumentError(DeclPtrTy param); |
| bool SetParamDefaultArgument(ParmVarDecl *Param, ExprArg DefaultArg, |
| SourceLocation EqualLoc); |
| |
| |
| // Contains the locations of the beginning of unparsed default |
| // argument locations. |
| llvm::DenseMap<ParmVarDecl *,SourceLocation> UnparsedDefaultArgLocs; |
| |
| virtual void AddInitializerToDecl(DeclPtrTy dcl, ExprArg init); |
| void AddInitializerToDecl(DeclPtrTy dcl, ExprArg init, bool DirectInit); |
| void ActOnUninitializedDecl(DeclPtrTy dcl, bool TypeContainsUndeducedAuto); |
| virtual void SetDeclDeleted(DeclPtrTy dcl, SourceLocation DelLoc); |
| virtual DeclGroupPtrTy FinalizeDeclaratorGroup(Scope *S, const DeclSpec &DS, |
| DeclPtrTy *Group, |
| unsigned NumDecls); |
| virtual void ActOnFinishKNRParamDeclarations(Scope *S, Declarator &D, |
| SourceLocation LocAfterDecls); |
| virtual DeclPtrTy ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
| virtual DeclPtrTy ActOnStartOfFunctionDef(Scope *S, DeclPtrTy D); |
| virtual void ActOnStartOfObjCMethodDef(Scope *S, DeclPtrTy D); |
| |
| virtual DeclPtrTy ActOnFinishFunctionBody(DeclPtrTy Decl, StmtArg Body); |
| DeclPtrTy ActOnFinishFunctionBody(DeclPtrTy Decl, StmtArg Body, |
| bool IsInstantiation); |
| |
| /// \brief Diagnose any unused parameters in the given sequence of |
| /// ParmVarDecl pointers. |
| template<typename InputIterator> |
| void DiagnoseUnusedParameters(InputIterator Param, InputIterator ParamEnd) { |
| for (; Param != ParamEnd; ++Param) { |
| if (!(*Param)->isUsed() && (*Param)->getDeclName() && |
| !(*Param)->template hasAttr<UnusedAttr>()) |
| Diag((*Param)->getLocation(), diag::warn_unused_parameter) |
| << (*Param)->getDeclName(); |
| } |
| } |
| |
| void DiagnoseInvalidJumps(Stmt *Body); |
| virtual DeclPtrTy ActOnFileScopeAsmDecl(SourceLocation Loc, ExprArg expr); |
| |
| /// Scope actions. |
| virtual void ActOnPopScope(SourceLocation Loc, Scope *S); |
| virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S); |
| |
| /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| /// no declarator (e.g. "struct foo;") is parsed. |
| virtual DeclPtrTy ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS); |
| |
| bool InjectAnonymousStructOrUnionMembers(Scope *S, DeclContext *Owner, |
| RecordDecl *AnonRecord); |
| virtual DeclPtrTy BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS, |
| RecordDecl *Record); |
| |
| bool isAcceptableTagRedeclaration(const TagDecl *Previous, |
| TagDecl::TagKind NewTag, |
| SourceLocation NewTagLoc, |
| const IdentifierInfo &Name); |
| |
| virtual DeclPtrTy ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK, |
| SourceLocation KWLoc, const CXXScopeSpec &SS, |
| IdentifierInfo *Name, SourceLocation NameLoc, |
| AttributeList *Attr, AccessSpecifier AS, |
| MultiTemplateParamsArg TemplateParameterLists, |
| bool &OwnedDecl, bool &IsDependent); |
| |
| virtual TypeResult ActOnDependentTag(Scope *S, |
| unsigned TagSpec, |
| TagUseKind TUK, |
| const CXXScopeSpec &SS, |
| IdentifierInfo *Name, |
| SourceLocation TagLoc, |
| SourceLocation NameLoc); |
| |
| virtual void ActOnDefs(Scope *S, DeclPtrTy TagD, SourceLocation DeclStart, |
| IdentifierInfo *ClassName, |
| llvm::SmallVectorImpl<DeclPtrTy> &Decls); |
| virtual DeclPtrTy ActOnField(Scope *S, DeclPtrTy TagD, |
| SourceLocation DeclStart, |
| Declarator &D, ExprTy *BitfieldWidth); |
| |
| FieldDecl *HandleField(Scope *S, RecordDecl *TagD, SourceLocation DeclStart, |
| Declarator &D, Expr *BitfieldWidth, |
| AccessSpecifier AS); |
| |
| FieldDecl *CheckFieldDecl(DeclarationName Name, QualType T, |
| DeclaratorInfo *DInfo, |
| RecordDecl *Record, SourceLocation Loc, |
| bool Mutable, Expr *BitfieldWidth, |
| SourceLocation TSSL, |
| AccessSpecifier AS, NamedDecl *PrevDecl, |
| Declarator *D = 0); |
| |
| enum CXXSpecialMember { |
| CXXDefaultConstructor = 0, |
| CXXCopyConstructor = 1, |
| CXXCopyAssignment = 2, |
| CXXDestructor = 3 |
| }; |
| void DiagnoseNontrivial(const RecordType* Record, CXXSpecialMember mem); |
| |
| virtual DeclPtrTy ActOnIvar(Scope *S, SourceLocation DeclStart, |
| DeclPtrTy IntfDecl, |
| Declarator &D, ExprTy *BitfieldWidth, |
| tok::ObjCKeywordKind visibility); |
| |
| // This is used for both record definitions and ObjC interface declarations. |
| virtual void ActOnFields(Scope* S, |
| SourceLocation RecLoc, DeclPtrTy TagDecl, |
| DeclPtrTy *Fields, unsigned NumFields, |
| SourceLocation LBrac, SourceLocation RBrac, |
| AttributeList *AttrList); |
| |
| /// ActOnTagStartDefinition - Invoked when we have entered the |
| /// scope of a tag's definition (e.g., for an enumeration, class, |
| /// struct, or union). |
| virtual void ActOnTagStartDefinition(Scope *S, DeclPtrTy TagDecl); |
| |
| /// ActOnTagFinishDefinition - Invoked once we have finished parsing |
| /// the definition of a tag (enumeration, class, struct, or union). |
| virtual void ActOnTagFinishDefinition(Scope *S, DeclPtrTy TagDecl, |
| SourceLocation RBraceLoc); |
| |
| EnumConstantDecl *CheckEnumConstant(EnumDecl *Enum, |
| EnumConstantDecl *LastEnumConst, |
| SourceLocation IdLoc, |
| IdentifierInfo *Id, |
| ExprArg val); |
| |
| virtual DeclPtrTy ActOnEnumConstant(Scope *S, DeclPtrTy EnumDecl, |
| DeclPtrTy LastEnumConstant, |
| SourceLocation IdLoc, IdentifierInfo *Id, |
| SourceLocation EqualLoc, ExprTy *Val); |
| virtual void ActOnEnumBody(SourceLocation EnumLoc, SourceLocation LBraceLoc, |
| SourceLocation RBraceLoc, DeclPtrTy EnumDecl, |
| DeclPtrTy *Elements, unsigned NumElements, |
| Scope *S, AttributeList *Attr); |
| |
| DeclContext *getContainingDC(DeclContext *DC); |
| |
| /// Set the current declaration context until it gets popped. |
| void PushDeclContext(Scope *S, DeclContext *DC); |
| void PopDeclContext(); |
| |
| /// EnterDeclaratorContext - Used when we must lookup names in the context |
| /// of a declarator's nested name specifier. |
| void EnterDeclaratorContext(Scope *S, DeclContext *DC); |
| void ExitDeclaratorContext(Scope *S); |
| |
| DeclContext *getFunctionLevelDeclContext(); |
| |
| /// getCurFunctionDecl - If inside of a function body, this returns a pointer |
| /// to the function decl for the function being parsed. If we're currently |
| /// in a 'block', this returns the containing context. |
| FunctionDecl *getCurFunctionDecl(); |
| |
| /// getCurMethodDecl - If inside of a method body, this returns a pointer to |
| /// the method decl for the method being parsed. If we're currently |
| /// in a 'block', this returns the containing context. |
| ObjCMethodDecl *getCurMethodDecl(); |
| |
| /// getCurFunctionOrMethodDecl - Return the Decl for the current ObjC method |
| /// or C function we're in, otherwise return null. If we're currently |
| /// in a 'block', this returns the containing context. |
| NamedDecl *getCurFunctionOrMethodDecl(); |
| |
| /// Add this decl to the scope shadowed decl chains. |
| void PushOnScopeChains(NamedDecl *D, Scope *S, bool AddToContext = true); |
| |
| /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true |
| /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns |
| /// true if 'D' belongs to the given declaration context. |
| bool isDeclInScope(NamedDecl *&D, DeclContext *Ctx, Scope *S = 0); |
| |
| /// Finds the scope corresponding to the given decl context, if it |
| /// happens to be an enclosing scope. Otherwise return NULL. |
| Scope *getScopeForDeclContext(Scope *S, DeclContext *DC) { |
| DeclContext *TargetDC = DC->getPrimaryContext(); |
| do { |
| if (DeclContext *ScopeDC = (DeclContext*) S->getEntity()) |
| if (ScopeDC->getPrimaryContext() == TargetDC) |
| return S; |
| } while ((S = S->getParent())); |
| |
| return NULL; |
| } |
| |
| /// OverloadingResult - Capture the result of performing overload |
| /// resolution. |
| enum OverloadingResult { |
| OR_Success, ///< Overload resolution succeeded. |
| OR_No_Viable_Function, ///< No viable function found. |
| OR_Ambiguous, ///< Ambiguous candidates found. |
| OR_Deleted ///< Overload resoltuion refers to a deleted function. |
| }; |
| |
| |
| /// Subroutines of ActOnDeclarator(). |
| TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| DeclaratorInfo *DInfo); |
| void MergeTypeDefDecl(TypedefDecl *New, Decl *Old); |
| bool MergeFunctionDecl(FunctionDecl *New, Decl *Old); |
| bool MergeCompatibleFunctionDecls(FunctionDecl *New, FunctionDecl *Old); |
| void MergeVarDecl(VarDecl *New, Decl *Old); |
| bool MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
| |
| /// C++ Overloading. |
| bool IsOverload(FunctionDecl *New, Decl* OldD, |
| OverloadedFunctionDecl::function_iterator &MatchedDecl); |
| ImplicitConversionSequence |
| TryImplicitConversion(Expr* From, QualType ToType, |
| bool SuppressUserConversions, |
| bool AllowExplicit, |
| bool ForceRValue, |
| bool InOverloadResolution, |
| bool UserCast = false); |
| bool IsStandardConversion(Expr *From, QualType ToType, |
| bool InOverloadResolution, |
| StandardConversionSequence& SCS); |
| bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); |
| bool IsFloatingPointPromotion(QualType FromType, QualType ToType); |
| bool IsComplexPromotion(QualType FromType, QualType ToType); |
| bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| bool InOverloadResolution, |
| QualType& ConvertedType, bool &IncompatibleObjC); |
| bool isObjCPointerConversion(QualType FromType, QualType ToType, |
| QualType& ConvertedType, bool &IncompatibleObjC); |
| bool CheckPointerConversion(Expr *From, QualType ToType, |
| CastExpr::CastKind &Kind); |
| bool IsMemberPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| bool InOverloadResolution, |
| QualType &ConvertedType); |
| bool CheckMemberPointerConversion(Expr *From, QualType ToType, |
| CastExpr::CastKind &Kind); |
| bool IsQualificationConversion(QualType FromType, QualType ToType); |
| OverloadingResult IsUserDefinedConversion(Expr *From, QualType ToType, |
| UserDefinedConversionSequence& User, |
| OverloadCandidateSet& Conversions, |
| bool AllowConversionFunctions, |
| bool AllowExplicit, bool ForceRValue, |
| bool UserCast = false); |
| bool DiagnoseAmbiguousUserDefinedConversion(Expr *From, QualType ToType); |
| |
| |
| ImplicitConversionSequence::CompareKind |
| CompareImplicitConversionSequences(const ImplicitConversionSequence& ICS1, |
| const ImplicitConversionSequence& ICS2); |
| |
| ImplicitConversionSequence::CompareKind |
| CompareStandardConversionSequences(const StandardConversionSequence& SCS1, |
| const StandardConversionSequence& SCS2); |
| |
| ImplicitConversionSequence::CompareKind |
| CompareQualificationConversions(const StandardConversionSequence& SCS1, |
| const StandardConversionSequence& SCS2); |
| |
| ImplicitConversionSequence::CompareKind |
| CompareDerivedToBaseConversions(const StandardConversionSequence& SCS1, |
| const StandardConversionSequence& SCS2); |
| |
| ImplicitConversionSequence |
| TryCopyInitialization(Expr* From, QualType ToType, |
| bool SuppressUserConversions, bool ForceRValue, |
| bool InOverloadResolution); |
| bool PerformCopyInitialization(Expr *&From, QualType ToType, |
| const char *Flavor, bool Elidable = false); |
| |
| ImplicitConversionSequence |
| TryObjectArgumentInitialization(Expr *From, CXXMethodDecl *Method); |
| bool PerformObjectArgumentInitialization(Expr *&From, CXXMethodDecl *Method); |
| |
| ImplicitConversionSequence TryContextuallyConvertToBool(Expr *From); |
| bool PerformContextuallyConvertToBool(Expr *&From); |
| |
| bool PerformObjectMemberConversion(Expr *&From, NamedDecl *Member); |
| |
| // Members have to be NamespaceDecl* or TranslationUnitDecl*. |
| // TODO: make this is a typesafe union. |
| typedef llvm::SmallPtrSet<DeclContext *, 16> AssociatedNamespaceSet; |
| |
| typedef llvm::SmallPtrSet<AnyFunctionDecl, 16> FunctionSet; |
| typedef llvm::SmallPtrSet<CXXRecordDecl *, 16> AssociatedClassSet; |
| |
| void AddOverloadCandidate(FunctionDecl *Function, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false, |
| bool ForceRValue = false, |
| bool PartialOverloading = false); |
| void AddFunctionCandidates(const FunctionSet &Functions, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false); |
| void AddMethodCandidate(CXXMethodDecl *Method, |
| Expr *Object, Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false, |
| bool ForceRValue = false); |
| void AddMethodTemplateCandidate(FunctionTemplateDecl *MethodTmpl, |
| bool HasExplicitTemplateArgs, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| Expr *Object, Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false, |
| bool ForceRValue = false); |
| void AddTemplateOverloadCandidate(FunctionTemplateDecl *FunctionTemplate, |
| bool HasExplicitTemplateArgs, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false, |
| bool ForceRValue = false); |
| void AddConversionCandidate(CXXConversionDecl *Conversion, |
| Expr *From, QualType ToType, |
| OverloadCandidateSet& CandidateSet); |
| void AddTemplateConversionCandidate(FunctionTemplateDecl *FunctionTemplate, |
| Expr *From, QualType ToType, |
| OverloadCandidateSet &CandidateSet); |
| void AddSurrogateCandidate(CXXConversionDecl *Conversion, |
| const FunctionProtoType *Proto, |
| Expr *Object, Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet); |
| void AddOperatorCandidates(OverloadedOperatorKind Op, Scope *S, |
| SourceLocation OpLoc, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| SourceRange OpRange = SourceRange()); |
| void AddMemberOperatorCandidates(OverloadedOperatorKind Op, |
| SourceLocation OpLoc, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| SourceRange OpRange = SourceRange()); |
| void AddBuiltinCandidate(QualType ResultTy, QualType *ParamTys, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool IsAssignmentOperator = false, |
| unsigned NumContextualBoolArguments = 0); |
| void AddBuiltinOperatorCandidates(OverloadedOperatorKind Op, |
| SourceLocation OpLoc, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet); |
| void AddArgumentDependentLookupCandidates(DeclarationName Name, |
| Expr **Args, unsigned NumArgs, |
| bool HasExplicitTemplateArgs, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool PartialOverloading = false); |
| bool isBetterOverloadCandidate(const OverloadCandidate& Cand1, |
| const OverloadCandidate& Cand2); |
| OverloadingResult BestViableFunction(OverloadCandidateSet& CandidateSet, |
| SourceLocation Loc, |
| OverloadCandidateSet::iterator& Best); |
| void PrintOverloadCandidates(OverloadCandidateSet& CandidateSet, |
| bool OnlyViable, |
| const char *Opc=0, |
| SourceLocation Loc=SourceLocation()); |
| |
| FunctionDecl *ResolveAddressOfOverloadedFunction(Expr *From, QualType ToType, |
| bool Complain); |
| Expr *FixOverloadedFunctionReference(Expr *E, FunctionDecl *Fn); |
| |
| void AddOverloadedCallCandidates(NamedDecl *Callee, |
| DeclarationName &UnqualifiedName, |
| bool &ArgumentDependentLookup, |
| bool HasExplicitTemplateArgs, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet &CandidateSet, |
| bool PartialOverloading = false); |
| |
| FunctionDecl *ResolveOverloadedCallFn(Expr *Fn, NamedDecl *Callee, |
| DeclarationName UnqualifiedName, |
| bool HasExplicitTemplateArgs, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| SourceLocation LParenLoc, |
| Expr **Args, unsigned NumArgs, |
| SourceLocation *CommaLocs, |
| SourceLocation RParenLoc, |
| bool &ArgumentDependentLookup); |
| |
| OwningExprResult CreateOverloadedUnaryOp(SourceLocation OpLoc, |
| unsigned Opc, |
| FunctionSet &Functions, |
| ExprArg input); |
| |
| OwningExprResult CreateOverloadedBinOp(SourceLocation OpLoc, |
| unsigned Opc, |
| FunctionSet &Functions, |
| Expr *LHS, Expr *RHS); |
| |
| OwningExprResult CreateOverloadedArraySubscriptExpr(SourceLocation LLoc, |
| SourceLocation RLoc, |
| ExprArg Base,ExprArg Idx); |
| |
| ExprResult |
| BuildCallToMemberFunction(Scope *S, Expr *MemExpr, |
| SourceLocation LParenLoc, Expr **Args, |
| unsigned NumArgs, SourceLocation *CommaLocs, |
| SourceLocation RParenLoc); |
| ExprResult |
| BuildCallToObjectOfClassType(Scope *S, Expr *Object, SourceLocation LParenLoc, |
| Expr **Args, unsigned NumArgs, |
| SourceLocation *CommaLocs, |
| SourceLocation RParenLoc); |
| |
| OwningExprResult BuildOverloadedArrowExpr(Scope *S, ExprArg Base, |
| SourceLocation OpLoc); |
| |
| /// CheckCallReturnType - Checks that a call expression's return type is |
| /// complete. Returns true on failure. The location passed in is the location |
| /// that best represents the call. |
| bool CheckCallReturnType(QualType ReturnType, SourceLocation Loc, |
| CallExpr *CE, FunctionDecl *FD); |
| |
| /// Helpers for dealing with blocks and functions. |
| void CheckFallThroughForFunctionDef(Decl *D, Stmt *Body); |
| void CheckFallThroughForBlock(QualType BlockTy, Stmt *Body); |
| bool CheckParmsForFunctionDef(FunctionDecl *FD); |
| void CheckCXXDefaultArguments(FunctionDecl *FD); |
| void CheckExtraCXXDefaultArguments(Declarator &D); |
| enum ControlFlowKind { NeverFallThrough = 0, MaybeFallThrough = 1, |
| AlwaysFallThrough = 2, NeverFallThroughOrReturn = 3 }; |
| ControlFlowKind CheckFallThrough(Stmt *); |
| |
| Scope *getNonFieldDeclScope(Scope *S); |
| |
| /// \name Name lookup |
| /// |
| /// These routines provide name lookup that is used during semantic |
| /// analysis to resolve the various kinds of names (identifiers, |
| /// overloaded operator names, constructor names, etc.) into zero or |
| /// more declarations within a particular scope. The major entry |
| /// points are LookupName, which performs unqualified name lookup, |
| /// and LookupQualifiedName, which performs qualified name lookup. |
| /// |
| /// All name lookup is performed based on some specific criteria, |
| /// which specify what names will be visible to name lookup and how |
| /// far name lookup should work. These criteria are important both |
| /// for capturing language semantics (certain lookups will ignore |
| /// certain names, for example) and for performance, since name |
| /// lookup is often a bottleneck in the compilation of C++. Name |
| /// lookup criteria is specified via the LookupCriteria enumeration. |
| /// |
| /// The results of name lookup can vary based on the kind of name |
| /// lookup performed, the current language, and the translation |
| /// unit. In C, for example, name lookup will either return nothing |
| /// (no entity found) or a single declaration. In C++, name lookup |
| /// can additionally refer to a set of overloaded functions or |
| /// result in an ambiguity. All of the possible results of name |
| /// lookup are captured by the LookupResult class, which provides |
| /// the ability to distinguish among them. |
| //@{ |
| |
| /// @brief Describes the kind of name lookup to perform. |
| enum LookupNameKind { |
| /// Ordinary name lookup, which finds ordinary names (functions, |
| /// variables, typedefs, etc.) in C and most kinds of names |
| /// (functions, variables, members, types, etc.) in C++. |
| LookupOrdinaryName = 0, |
| /// Tag name lookup, which finds the names of enums, classes, |
| /// structs, and unions. |
| LookupTagName, |
| /// Member name lookup, which finds the names of |
| /// class/struct/union members. |
| LookupMemberName, |
| // Look up of an operator name (e.g., operator+) for use with |
| // operator overloading. This lookup is similar to ordinary name |
| // lookup, but will ignore any declarations that are class |
| // members. |
| LookupOperatorName, |
| /// Look up of a name that precedes the '::' scope resolution |
| /// operator in C++. This lookup completely ignores operator, |
| /// function, and enumerator names (C++ [basic.lookup.qual]p1). |
| LookupNestedNameSpecifierName, |
| /// Look up a namespace name within a C++ using directive or |
| /// namespace alias definition, ignoring non-namespace names (C++ |
| /// [basic.lookup.udir]p1). |
| LookupNamespaceName, |
| /// Look up an ordinary name that is going to be redeclared as a |
| /// name with linkage. This lookup ignores any declarations that |
| /// are outside of the current scope unless they have linkage. See |
| /// C99 6.2.2p4-5 and C++ [basic.link]p6. |
| LookupRedeclarationWithLinkage, |
| /// Look up the name of an Objective-C protocol. |
| LookupObjCProtocolName, |
| /// Look up the name of an Objective-C implementation |
| LookupObjCImplementationName, |
| /// Look up the name of an Objective-C category implementation |
| LookupObjCCategoryImplName |
| }; |
| |
| /// @brief Represents the results of name lookup. |
| /// |
| /// An instance of the LookupResult class captures the results of a |
| /// single name lookup, which can return no result (nothing found), |
| /// a single declaration, a set of overloaded functions, or an |
| /// ambiguity. Use the getKind() method to determine which of these |
| /// results occurred for a given lookup. |
| /// |
| /// Any non-ambiguous lookup can be converted into a single |
| /// (possibly NULL) @c NamedDecl* via the getAsSingleDecl() method. |
| /// This permits the common-case usage in C and Objective-C where |
| /// name lookup will always return a single declaration. Use of |
| /// this is largely deprecated; callers should handle the possibility |
| /// of multiple declarations. |
| class LookupResult { |
| public: |
| enum LookupKind { |
| /// @brief No entity found met the criteria. |
| NotFound = 0, |
| |
| /// @brief Name lookup found a single declaration that met the |
| /// criteria. getAsDecl will return this declaration. |
| Found, |
| |
| /// @brief Name lookup found a set of overloaded functions that |
| /// met the criteria. getAsDecl will turn this set of overloaded |
| /// functions into an OverloadedFunctionDecl. |
| FoundOverloaded, |
| |
| /// @brief Name lookup results in an ambiguity; use |
| /// getAmbiguityKind to figure out what kind of ambiguity |
| /// we have. |
| Ambiguous |
| }; |
| |
| enum AmbiguityKind { |
| /// Name lookup results in an ambiguity because multiple |
| /// entities that meet the lookup criteria were found in |
| /// subobjects of different types. For example: |
| /// @code |
| /// struct A { void f(int); } |
| /// struct B { void f(double); } |
| /// struct C : A, B { }; |
| /// void test(C c) { |
| /// c.f(0); // error: A::f and B::f come from subobjects of different |
| /// // types. overload resolution is not performed. |
| /// } |
| /// @endcode |
| AmbiguousBaseSubobjectTypes, |
| |
| /// Name lookup results in an ambiguity because multiple |
| /// nonstatic entities that meet the lookup criteria were found |
| /// in different subobjects of the same type. For example: |
| /// @code |
| /// struct A { int x; }; |
| /// struct B : A { }; |
| /// struct C : A { }; |
| /// struct D : B, C { }; |
| /// int test(D d) { |
| /// return d.x; // error: 'x' is found in two A subobjects (of B and C) |
| /// } |
| /// @endcode |
| AmbiguousBaseSubobjects, |
| |
| /// Name lookup results in an ambiguity because multiple definitions |
| /// of entity that meet the lookup criteria were found in different |
| /// declaration contexts. |
| /// @code |
| /// namespace A { |
| /// int i; |
| /// namespace B { int i; } |
| /// int test() { |
| /// using namespace B; |
| /// return i; // error 'i' is found in namespace A and A::B |
| /// } |
| /// } |
| /// @endcode |
| AmbiguousReference, |
| |
| /// Name lookup results in an ambiguity because an entity with a |
| /// tag name was hidden by an entity with an ordinary name from |
| /// a different context. |
| /// @code |
| /// namespace A { struct Foo {}; } |
| /// namespace B { void Foo(); } |
| /// namespace C { |
| /// using namespace A; |
| /// using namespace B; |
| /// } |
| /// void test() { |
| /// C::Foo(); // error: tag 'A::Foo' is hidden by an object in a |
| /// // different namespace |
| /// } |
| /// @endcode |
| AmbiguousTagHiding |
| }; |
| |
| typedef llvm::SmallVector<NamedDecl*, 4> DeclsTy; |
| typedef DeclsTy::const_iterator iterator; |
| |
| LookupResult() |
| : Kind(NotFound), |
| Paths(0) |
| {} |
| ~LookupResult() { |
| if (Paths) deletePaths(Paths); |
| } |
| |
| bool isAmbiguous() const { |
| return getKind() == Ambiguous; |
| } |
| |
| LookupKind getKind() const { |
| sanity(); |
| return Kind; |
| } |
| |
| AmbiguityKind getAmbiguityKind() const { |
| assert(isAmbiguous()); |
| return Ambiguity; |
| } |
| |
| iterator begin() const { return Decls.begin(); } |
| iterator end() const { return Decls.end(); } |
| |
| /// \brief Return true if no decls were found |
| bool empty() const { return Decls.empty(); } |
| |
| /// \brief Return the base paths structure that's associated with |
| /// these results, or null if none is. |
| CXXBasePaths *getBasePaths() const { |
| return Paths; |
| } |
| |
| /// \brief Add a declaration to these results. |
| void addDecl(NamedDecl *D) { |
| Decls.push_back(D->getUnderlyingDecl()); |
| Kind = Found; |
| } |
| |
| /// \brief Add all the declarations from another set of lookup |
| /// results. |
| void addAllDecls(const LookupResult &Other) { |
| Decls.append(Other.begin(), Other.end()); |
| Kind = Found; |
| } |
| |
| /// \brief Hides a set of declarations. |
| template <class NamedDeclSet> void hideDecls(const NamedDeclSet &Set) { |
| unsigned I = 0, N = Decls.size(); |
| while (I < N) { |
| if (Set.count(Decls[I])) |
| Decls[I] = Decls[--N]; |
| else |
| I++; |
| } |
| Decls.set_size(N); |
| } |
| |
| /// \brief Resolves the kind of the lookup, possibly hiding decls. |
| /// |
| /// This should be called in any environment where lookup might |
| /// generate multiple lookup results. |
| void resolveKind(); |
| |
| /// \brief Fetch this as an unambiguous single declaration |
| /// (possibly an overloaded one). |
| /// |
| /// This is deprecated; users should be written to handle |
| /// ambiguous and overloaded lookups. |
| NamedDecl *getAsSingleDecl(ASTContext &Context) const; |
| |
| /// \brief Fetch the unique decl found by this lookup. Asserts |
| /// that one was found. |
| /// |
| /// This is intended for users who have examined the result kind |
| /// and are certain that there is only one result. |
| NamedDecl *getFoundDecl() const { |
| assert(getKind() == Found && "getFoundDecl called on non-unique result"); |
| return *Decls.begin(); |
| } |
| |
| /// \brief Asks if the result is a single tag decl. |
| bool isSingleTagDecl() const { |
| return getKind() == Found && isa<TagDecl>(getFoundDecl()); |
| } |
| |
| /// \brief Make these results show that the name was found in |
| /// base classes of different types. |
| /// |
| /// The given paths object is copied and invalidated. |
| void setAmbiguousBaseSubobjectTypes(CXXBasePaths &P); |
| |
| /// \brief Make these results show that the name was found in |
| /// distinct base classes of the same type. |
| /// |
| /// The given paths object is copied and invalidated. |
| void setAmbiguousBaseSubobjects(CXXBasePaths &P); |
| |
| /// \brief Make these results show that the name was found in |
| /// different contexts and a tag decl was hidden by an ordinary |
| /// decl in a different context. |
| void setAmbiguousQualifiedTagHiding() { |
| setAmbiguous(AmbiguousTagHiding); |
| } |
| |
| /// \brief Clears out any current state. |
| void clear() { |
| Kind = NotFound; |
| Decls.clear(); |
| if (Paths) deletePaths(Paths); |
| Paths = NULL; |
| } |
| |
| void print(llvm::raw_ostream &); |
| |
| private: |
| void setAmbiguous(AmbiguityKind AK) { |
| Kind = Ambiguous; |
| Ambiguity = AK; |
| } |
| |
| void addDeclsFromBasePaths(const CXXBasePaths &P); |
| |
| // Sanity checks. |
| void sanity() const { |
| assert(Kind != NotFound || Decls.size() == 0); |
| assert(Kind != Found || Decls.size() == 1); |
| assert(Kind == NotFound || Kind == Found || |
| (Kind == Ambiguous && Ambiguity == AmbiguousBaseSubobjects) |
| || Decls.size() > 1); |
| assert((Paths != NULL) == (Kind == Ambiguous && |
| (Ambiguity == AmbiguousBaseSubobjectTypes || |
| Ambiguity == AmbiguousBaseSubobjects))); |
| } |
| |
| static void deletePaths(CXXBasePaths *); |
| |
| LookupKind Kind; |
| AmbiguityKind Ambiguity; // ill-defined unless ambiguous |
| DeclsTy Decls; |
| CXXBasePaths *Paths; |
| }; |
| |
| private: |
| typedef llvm::SmallVector<LookupResult, 3> LookupResultsVecTy; |
| |
| bool CppLookupName(LookupResult &R, Scope *S, DeclarationName Name, |
| LookupNameKind NameKind, bool RedeclarationOnly); |
| public: |
| /// Determines whether D is a suitable lookup result according to the |
| /// lookup criteria. |
| static bool isAcceptableLookupResult(NamedDecl *D, LookupNameKind NameKind, |
| unsigned IDNS) { |
| switch (NameKind) { |
| case Sema::LookupOrdinaryName: |
| case Sema::LookupTagName: |
| case Sema::LookupMemberName: |
| case Sema::LookupRedeclarationWithLinkage: // FIXME: check linkage, scoping |
| case Sema::LookupObjCProtocolName: |
| case Sema::LookupObjCImplementationName: |
| case Sema::LookupObjCCategoryImplName: |
| return D->isInIdentifierNamespace(IDNS); |
| |
| case Sema::LookupOperatorName: |
| return D->isInIdentifierNamespace(IDNS) && |
| !D->getDeclContext()->isRecord(); |
| |
| case Sema::LookupNestedNameSpecifierName: |
| return isa<TypedefDecl>(D) || D->isInIdentifierNamespace(Decl::IDNS_Tag); |
| |
| case Sema::LookupNamespaceName: |
| return isa<NamespaceDecl>(D) || isa<NamespaceAliasDecl>(D); |
| } |
| |
| assert(false && |
| "isAcceptableLookupResult always returns before this point"); |
| return false; |
| } |
| |
| /// \brief Look up a name, looking for a single declaration. Return |
| /// null if no unambiguous results were found. |
| /// |
| /// It is preferable to use the elaborated form and explicitly handle |
| /// ambiguity and overloaded. |
| NamedDecl *LookupSingleName(Scope *S, DeclarationName Name, |
| LookupNameKind NameKind, |
| bool RedeclarationOnly = false) { |
| LookupResult R; |
| LookupName(R, S, Name, NameKind, RedeclarationOnly); |
| return R.getAsSingleDecl(Context); |
| } |
| bool LookupName(LookupResult &R, Scope *S, |
| DeclarationName Name, |
| LookupNameKind NameKind, |
| bool RedeclarationOnly = false, |
| bool AllowBuiltinCreation = false, |
| SourceLocation Loc = SourceLocation()); |
| bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, |
| DeclarationName Name, |
| LookupNameKind NameKind, |
| bool RedeclarationOnly = false); |
| bool LookupParsedName(LookupResult &R, Scope *S, const CXXScopeSpec *SS, |
| DeclarationName Name, |
| LookupNameKind NameKind, |
| bool RedeclarationOnly = false, |
| bool AllowBuiltinCreation = false, |
| SourceLocation Loc = SourceLocation(), |
| bool EnteringContext = false); |
| |
| ObjCProtocolDecl *LookupProtocol(IdentifierInfo *II); |
| ObjCCategoryImplDecl *LookupObjCCategoryImpl(IdentifierInfo *II); |
| |
| void LookupOverloadedOperatorName(OverloadedOperatorKind Op, Scope *S, |
| QualType T1, QualType T2, |
| FunctionSet &Functions); |
| |
| void ArgumentDependentLookup(DeclarationName Name, bool Operator, |
| Expr **Args, unsigned NumArgs, |
| FunctionSet &Functions); |
| |
| void FindAssociatedClassesAndNamespaces(Expr **Args, unsigned NumArgs, |
| AssociatedNamespaceSet &AssociatedNamespaces, |
| AssociatedClassSet &AssociatedClasses); |
| |
| bool DiagnoseAmbiguousLookup(LookupResult &Result, DeclarationName Name, |
| SourceLocation NameLoc, |
| SourceRange LookupRange = SourceRange()); |
| //@} |
| |
| ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *Id); |
| NamedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
| Scope *S, bool ForRedeclaration, |
| SourceLocation Loc); |
| NamedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
| Scope *S); |
| void AddKnownFunctionAttributes(FunctionDecl *FD); |
| |
| // More parsing and symbol table subroutines. |
| |
| // Decl attributes - this routine is the top level dispatcher. |
| void ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD); |
| void ProcessDeclAttributeList(Scope *S, Decl *D, const AttributeList *AttrList); |
| |
| void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| bool &IncompleteImpl); |
| void WarnConflictingTypedMethods(ObjCMethodDecl *ImpMethod, |
| ObjCMethodDecl *IntfMethod); |
| |
| bool isPropertyReadonly(ObjCPropertyDecl *PropertyDecl, |
| ObjCInterfaceDecl *IDecl); |
| |
| /// CheckProtocolMethodDefs - This routine checks unimplemented |
| /// methods declared in protocol, and those referenced by it. |
| /// \param IDecl - Used for checking for methods which may have been |
| /// inherited. |
| void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| ObjCProtocolDecl *PDecl, |
| bool& IncompleteImpl, |
| const llvm::DenseSet<Selector> &InsMap, |
| const llvm::DenseSet<Selector> &ClsMap, |
| ObjCInterfaceDecl *IDecl); |
| |
| /// CheckImplementationIvars - This routine checks if the instance variables |
| /// listed in the implelementation match those listed in the interface. |
| void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| ObjCIvarDecl **Fields, unsigned nIvars, |
| SourceLocation Loc); |
| |
| /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| /// remains unimplemented in the class or category @implementation. |
| void ImplMethodsVsClassMethods(ObjCImplDecl* IMPDecl, |
| ObjCContainerDecl* IDecl, |
| bool IncompleteImpl = false); |
| |
| /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| /// true, or false, accordingly. |
| bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
| const ObjCMethodDecl *PrevMethod, |
| bool matchBasedOnSizeAndAlignment = false); |
| |
| /// MatchAllMethodDeclarations - Check methods declaraed in interface or |
| /// or protocol against those declared in their implementations. |
| void MatchAllMethodDeclarations(const llvm::DenseSet<Selector> &InsMap, |
| const llvm::DenseSet<Selector> &ClsMap, |
| llvm::DenseSet<Selector> &InsMapSeen, |
| llvm::DenseSet<Selector> &ClsMapSeen, |
| ObjCImplDecl* IMPDecl, |
| ObjCContainerDecl* IDecl, |
| bool &IncompleteImpl, |
| bool ImmediateClass); |
| |
| /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| /// unit are added to a global pool. This allows us to efficiently associate |
| /// a selector with a method declaraation for purposes of typechecking |
| /// messages sent to "id" (where the class of the object is unknown). |
| void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method); |
| |
| /// LookupInstanceMethodInGlobalPool - Returns the method and warns if |
| /// there are multiple signatures. |
| ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R, |
| bool warn=true); |
| |
| /// LookupFactoryMethodInGlobalPool - Returns the method and warns if |
| /// there are multiple signatures. |
| ObjCMethodDecl *LookupFactoryMethodInGlobalPool(Selector Sel, SourceRange R); |
| |
| /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
| void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method); |
| //===--------------------------------------------------------------------===// |
| // Statement Parsing Callbacks: SemaStmt.cpp. |
| public: |
| virtual OwningStmtResult ActOnExprStmt(FullExprArg Expr); |
| |
| virtual OwningStmtResult ActOnNullStmt(SourceLocation SemiLoc); |
| virtual OwningStmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
| MultiStmtArg Elts, |
| bool isStmtExpr); |
| virtual OwningStmtResult ActOnDeclStmt(DeclGroupPtrTy Decl, |
| SourceLocation StartLoc, |
| SourceLocation EndLoc); |
| virtual OwningStmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprArg LHSVal, |
| SourceLocation DotDotDotLoc, ExprArg RHSVal, |
| SourceLocation ColonLoc); |
| virtual void ActOnCaseStmtBody(StmtTy *CaseStmt, StmtArg SubStmt); |
| |
| virtual OwningStmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
| SourceLocation ColonLoc, |
| StmtArg SubStmt, Scope *CurScope); |
| virtual OwningStmtResult ActOnLabelStmt(SourceLocation IdentLoc, |
| IdentifierInfo *II, |
| SourceLocation ColonLoc, |
| StmtArg SubStmt); |
| virtual OwningStmtResult ActOnIfStmt(SourceLocation IfLoc, |
| FullExprArg CondVal, StmtArg ThenVal, |
| SourceLocation ElseLoc, StmtArg ElseVal); |
| virtual OwningStmtResult ActOnStartOfSwitchStmt(ExprArg Cond); |
| virtual OwningStmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| StmtArg Switch, StmtArg Body); |
| virtual OwningStmtResult ActOnWhileStmt(SourceLocation WhileLoc, |
| FullExprArg Cond, StmtArg Body); |
| virtual OwningStmtResult ActOnDoStmt(SourceLocation DoLoc, StmtArg Body, |
| SourceLocation WhileLoc, |
| SourceLocation CondLParen, ExprArg Cond, |
| SourceLocation CondRParen); |
| |
| virtual OwningStmtResult ActOnForStmt(SourceLocation ForLoc, |
| SourceLocation LParenLoc, |
| StmtArg First, ExprArg Second, |
| ExprArg Third, SourceLocation RParenLoc, |
| StmtArg Body); |
| virtual OwningStmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
| SourceLocation LParenLoc, |
| StmtArg First, ExprArg Second, |
| SourceLocation RParenLoc, StmtArg Body); |
| |
| virtual OwningStmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
| SourceLocation LabelLoc, |
| IdentifierInfo *LabelII); |
| virtual OwningStmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
| SourceLocation StarLoc, |
| ExprArg DestExp); |
| virtual OwningStmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
| Scope *CurScope); |
| virtual OwningStmtResult ActOnBreakStmt(SourceLocation GotoLoc, |
| Scope *CurScope); |
| |
| virtual OwningStmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
| ExprArg RetValExp); |
| OwningStmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, |
| Expr *RetValExp); |
| |
| virtual OwningStmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
| bool IsSimple, |
| bool IsVolatile, |
| unsigned NumOutputs, |
| unsigned NumInputs, |
| std::string *Names, |
| MultiExprArg Constraints, |
| MultiExprArg Exprs, |
| ExprArg AsmString, |
| MultiExprArg Clobbers, |
| SourceLocation RParenLoc); |
| |
| virtual OwningStmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
| SourceLocation RParen, |
| DeclPtrTy Parm, StmtArg Body, |
| StmtArg CatchList); |
| |
| virtual OwningStmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
| StmtArg Body); |
| |
| virtual OwningStmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
| StmtArg Try, |
| StmtArg Catch, StmtArg Finally); |
| |
| virtual OwningStmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
| ExprArg Throw, |
| Scope *CurScope); |
| virtual OwningStmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| ExprArg SynchExpr, |
| StmtArg SynchBody); |
| |
| VarDecl *BuildExceptionDeclaration(Scope *S, QualType ExDeclType, |
| DeclaratorInfo *DInfo, |
| IdentifierInfo *Name, |
| SourceLocation Loc, |
| SourceRange Range); |
| virtual DeclPtrTy ActOnExceptionDeclarator(Scope *S, Declarator &D); |
| |
| virtual OwningStmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc, |
| DeclPtrTy ExDecl, |
| StmtArg HandlerBlock); |
| virtual OwningStmtResult ActOnCXXTryBlock(SourceLocation TryLoc, |
| StmtArg TryBlock, |
| MultiStmtArg Handlers); |
| void DiagnoseReturnInConstructorExceptionHandler(CXXTryStmt *TryBlock); |
| |
| /// DiagnoseUnusedExprResult - If the statement passed in is an expression |
| /// whose result is unused, warn. |
| void DiagnoseUnusedExprResult(const Stmt *S); |
| |
| //===--------------------------------------------------------------------===// |
| // Expression Parsing Callbacks: SemaExpr.cpp. |
| |
| bool DiagnoseUseOfDecl(NamedDecl *D, SourceLocation Loc, |
| bool IgnoreDeprecated = false); |
| bool DiagnosePropertyAccessorMismatch(ObjCPropertyDecl *PD, |
| ObjCMethodDecl *Getter, |
| SourceLocation Loc); |
| void DiagnoseSentinelCalls(NamedDecl *D, SourceLocation Loc, |
| Expr **Args, unsigned NumArgs); |
| |
| virtual ExpressionEvaluationContext |
| PushExpressionEvaluationContext(ExpressionEvaluationContext NewContext); |
| |
| virtual void |
| PopExpressionEvaluationContext(ExpressionEvaluationContext OldContext, |
| ExpressionEvaluationContext NewContext); |
| |
| void MarkDeclarationReferenced(SourceLocation Loc, Decl *D); |
| |
| // Primary Expressions. |
| virtual SourceRange getExprRange(ExprTy *E) const; |
| |
| virtual OwningExprResult ActOnIdExpression(Scope *S, |
| const CXXScopeSpec &SS, |
| UnqualifiedId &Name, |
| bool HasTrailingLParen, |
| bool IsAddressOfOperand); |
| |
| OwningExprResult BuildDeclRefExpr(NamedDecl *D, QualType Ty, |
| SourceLocation Loc, bool TypeDependent, |
| bool ValueDependent, |
| const CXXScopeSpec *SS = 0); |
| VarDecl *BuildAnonymousStructUnionMemberPath(FieldDecl *Field, |
| llvm::SmallVectorImpl<FieldDecl *> &Path); |
| OwningExprResult |
| BuildAnonymousStructUnionMemberReference(SourceLocation Loc, |
| FieldDecl *Field, |
| Expr *BaseObjectExpr = 0, |
| SourceLocation OpLoc = SourceLocation()); |
| OwningExprResult ActOnDeclarationNameExpr(Scope *S, SourceLocation Loc, |
| DeclarationName Name, |
| bool HasTrailingLParen, |
| const CXXScopeSpec *SS, |
| bool isAddressOfOperand = false); |
| OwningExprResult BuildDeclarationNameExpr(SourceLocation Loc, NamedDecl *D, |
| bool HasTrailingLParen, |
| const CXXScopeSpec *SS, |
| bool isAddressOfOperand); |
| |
| virtual OwningExprResult ActOnPredefinedExpr(SourceLocation Loc, |
| tok::TokenKind Kind); |
| virtual OwningExprResult ActOnNumericConstant(const Token &); |
| virtual OwningExprResult ActOnCharacterConstant(const Token &); |
| virtual OwningExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
| ExprArg Val); |
| virtual OwningExprResult ActOnParenListExpr(SourceLocation L, |
| SourceLocation R, |
| MultiExprArg Val); |
| |
| /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
| /// fragments (e.g. "foo" "bar" L"baz"). |
| virtual OwningExprResult ActOnStringLiteral(const Token *Toks, |
| unsigned NumToks); |
| |
| // Binary/Unary Operators. 'Tok' is the token for the operator. |
| OwningExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, |
| unsigned OpcIn, |
| ExprArg InputArg); |
| virtual OwningExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc, |
| tok::TokenKind Op, ExprArg Input); |
| |
| OwningExprResult CreateSizeOfAlignOfExpr(QualType T, SourceLocation OpLoc, |
| bool isSizeOf, SourceRange R); |
| OwningExprResult CreateSizeOfAlignOfExpr(Expr *E, SourceLocation OpLoc, |
| bool isSizeOf, SourceRange R); |
| virtual OwningExprResult |
| ActOnSizeOfAlignOfExpr(SourceLocation OpLoc, bool isSizeof, bool isType, |
| void *TyOrEx, const SourceRange &ArgRange); |
| |
| bool CheckAlignOfExpr(Expr *E, SourceLocation OpLoc, const SourceRange &R); |
| bool CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc, |
| const SourceRange &R, bool isSizeof); |
| |
| virtual OwningExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, |
| tok::TokenKind Kind, |
| ExprArg Input); |
| |
| virtual OwningExprResult ActOnArraySubscriptExpr(Scope *S, ExprArg Base, |
| SourceLocation LLoc, |
| ExprArg Idx, |
| SourceLocation RLoc); |
| OwningExprResult CreateBuiltinArraySubscriptExpr(ExprArg Base, |
| SourceLocation LLoc, |
| ExprArg Idx, |
| SourceLocation RLoc); |
| |
| OwningExprResult BuildMemberReferenceExpr(Scope *S, ExprArg Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| SourceLocation MemberLoc, |
| DeclarationName MemberName, |
| DeclPtrTy ImplDecl, |
| const CXXScopeSpec *SS = 0, |
| NamedDecl *FirstQualifierInScope = 0) { |
| // FIXME: Temporary helper while we migrate existing calls to |
| // BuildMemberReferenceExpr to support explicitly-specified template |
| // arguments. |
| return BuildMemberReferenceExpr(S, move(Base), OpLoc, OpKind, MemberLoc, |
| MemberName, false, SourceLocation(), 0, 0, |
| SourceLocation(), ImplDecl, SS, |
| FirstQualifierInScope); |
| } |
| |
| OwningExprResult BuildMemberReferenceExpr(Scope *S, ExprArg Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| SourceLocation MemberLoc, |
| DeclarationName MemberName, |
| bool HasExplicitTemplateArgs, |
| SourceLocation LAngleLoc, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| SourceLocation RAngleLoc, |
| DeclPtrTy ImplDecl, |
| const CXXScopeSpec *SS, |
| NamedDecl *FirstQualifierInScope = 0); |
| |
| virtual OwningExprResult ActOnMemberAccessExpr(Scope *S, ExprArg Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| const CXXScopeSpec &SS, |
| UnqualifiedId &Member, |
| DeclPtrTy ObjCImpDecl, |
| bool HasTrailingLParen); |
| |
| virtual void ActOnDefaultCtorInitializers(DeclPtrTy CDtorDecl); |
| bool ConvertArgumentsForCall(CallExpr *Call, Expr *Fn, |
| FunctionDecl *FDecl, |
| const FunctionProtoType *Proto, |
| Expr **Args, unsigned NumArgs, |
| SourceLocation RParenLoc); |
| void BuildBaseOrMemberInitializers(ASTContext &C, |
| CXXConstructorDecl *Constructor, |
| CXXBaseOrMemberInitializer **Initializers, |
| unsigned NumInitializers |
| ); |
| |
| void DeconstructCallFunction(Expr *FnExpr, |
| NamedDecl *&Function, |
| DeclarationName &Name, |
| NestedNameSpecifier *&Qualifier, |
| SourceRange &QualifierRange, |
| bool &ArgumentDependentLookup, |
| bool &HasExplicitTemplateArguments, |
| const TemplateArgumentLoc *&ExplicitTemplateArgs, |
| unsigned &NumExplicitTemplateArgs); |
| |
| /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
| /// This provides the location of the left/right parens and a list of comma |
| /// locations. |
| virtual OwningExprResult ActOnCallExpr(Scope *S, ExprArg Fn, |
| SourceLocation LParenLoc, |
| MultiExprArg Args, |
| SourceLocation *CommaLocs, |
| SourceLocation RParenLoc); |
| |
| virtual OwningExprResult ActOnCastExpr(Scope *S, SourceLocation LParenLoc, |
| TypeTy *Ty, SourceLocation RParenLoc, |
| ExprArg Op); |
| |
| OwningExprResult MaybeConvertParenListExprToParenExpr(Scope *S, ExprArg ME); |
| OwningExprResult ActOnCastOfParenListExpr(Scope *S, SourceLocation LParenLoc, |
| SourceLocation RParenLoc, ExprArg E, |
| QualType Ty); |
| |
| virtual OwningExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, |
| TypeTy *Ty, |
| SourceLocation RParenLoc, |
| ExprArg Op); |
| |
| virtual OwningExprResult ActOnInitList(SourceLocation LParenLoc, |
| MultiExprArg InitList, |
| SourceLocation RParenLoc); |
| |
| virtual OwningExprResult ActOnDesignatedInitializer(Designation &Desig, |
| SourceLocation Loc, |
| bool GNUSyntax, |
| OwningExprResult Init); |
| |
| virtual OwningExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, |
| tok::TokenKind Kind, |
| ExprArg LHS, ExprArg RHS); |
| OwningExprResult CreateBuiltinBinOp(SourceLocation TokLoc, |
| unsigned Opc, Expr *lhs, Expr *rhs); |
| |
| /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
| /// in the case of a the GNU conditional expr extension. |
| virtual OwningExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
| SourceLocation ColonLoc, |
| ExprArg Cond, ExprArg LHS, |
| ExprArg RHS); |
| |
| /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| virtual OwningExprResult ActOnAddrLabel(SourceLocation OpLoc, |
| SourceLocation LabLoc, |
| IdentifierInfo *LabelII); |
| |
| virtual OwningExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtArg SubStmt, |
| SourceLocation RPLoc); // "({..})" |
| |
| /// __builtin_offsetof(type, a.b[123][456].c) |
| virtual OwningExprResult ActOnBuiltinOffsetOf(Scope *S, |
| SourceLocation BuiltinLoc, |
| SourceLocation TypeLoc, |
| TypeTy *Arg1, |
| OffsetOfComponent *CompPtr, |
| unsigned NumComponents, |
| SourceLocation RParenLoc); |
| |
| // __builtin_types_compatible_p(type1, type2) |
| virtual OwningExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
| TypeTy *arg1, TypeTy *arg2, |
| SourceLocation RPLoc); |
| |
| // __builtin_choose_expr(constExpr, expr1, expr2) |
| virtual OwningExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
| ExprArg cond, ExprArg expr1, |
| ExprArg expr2, SourceLocation RPLoc); |
| |
| // __builtin_va_arg(expr, type) |
| virtual OwningExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| ExprArg expr, TypeTy *type, |
| SourceLocation RPLoc); |
| |
| // __null |
| virtual OwningExprResult ActOnGNUNullExpr(SourceLocation TokenLoc); |
| |
| //===------------------------- "Block" Extension ------------------------===// |
| |
| /// ActOnBlockStart - This callback is invoked when a block literal is |
| /// started. |
| virtual void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); |
| |
| /// ActOnBlockArguments - This callback allows processing of block arguments. |
| /// If there are no arguments, this is still invoked. |
| virtual void ActOnBlockArguments(Declarator &ParamInfo, Scope *CurScope); |
| |
| /// ActOnBlockError - If there is an error parsing a block, this callback |
| /// is invoked to pop the information about the block from the action impl. |
| virtual void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
| |
| /// ActOnBlockStmtExpr - This is called when the body of a block statement |
| /// literal was successfully completed. ^(int x){...} |
| virtual OwningExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, |
| StmtArg Body, Scope *CurScope); |
| |
| //===---------------------------- C++ Features --------------------------===// |
| |
| // Act on C++ namespaces |
| virtual DeclPtrTy ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc, |
| IdentifierInfo *Ident, |
| SourceLocation LBrace); |
| virtual void ActOnFinishNamespaceDef(DeclPtrTy Dcl, SourceLocation RBrace); |
| |
| virtual DeclPtrTy ActOnUsingDirective(Scope *CurScope, |
| SourceLocation UsingLoc, |
| SourceLocation NamespcLoc, |
| const CXXScopeSpec &SS, |
| SourceLocation IdentLoc, |
| IdentifierInfo *NamespcName, |
| AttributeList *AttrList); |
| |
| void PushUsingDirective(Scope *S, UsingDirectiveDecl *UDir); |
| |
| virtual DeclPtrTy ActOnNamespaceAliasDef(Scope *CurScope, |
| SourceLocation NamespaceLoc, |
| SourceLocation AliasLoc, |
| IdentifierInfo *Alias, |
| const CXXScopeSpec &SS, |
| SourceLocation IdentLoc, |
| IdentifierInfo *Ident); |
| |
| NamedDecl *BuildUsingDeclaration(SourceLocation UsingLoc, |
| const CXXScopeSpec &SS, |
| SourceLocation IdentLoc, |
| DeclarationName Name, |
| AttributeList *AttrList, |
| bool IsTypeName); |
| |
| virtual DeclPtrTy ActOnUsingDeclaration(Scope *CurScope, |
| AccessSpecifier AS, |
| SourceLocation UsingLoc, |
| const CXXScopeSpec &SS, |
| SourceLocation IdentLoc, |
| IdentifierInfo *TargetName, |
| OverloadedOperatorKind Op, |
| AttributeList *AttrList, |
| bool IsTypeName); |
| |
| /// AddCXXDirectInitializerToDecl - This action is called immediately after |
| /// ActOnDeclarator, when a C++ direct initializer is present. |
| /// e.g: "int x(1);" |
| virtual void AddCXXDirectInitializerToDecl(DeclPtrTy Dcl, |
| SourceLocation LParenLoc, |
| MultiExprArg Exprs, |
| SourceLocation *CommaLocs, |
| SourceLocation RParenLoc); |
| |
| /// InitializeVarWithConstructor - Creates an CXXConstructExpr |
| /// and sets it as the initializer for the the passed in VarDecl. |
| bool InitializeVarWithConstructor(VarDecl *VD, |
| CXXConstructorDecl *Constructor, |
| MultiExprArg Exprs); |
| |
| /// BuildCXXConstructExpr - Creates a complete call to a constructor, |
| /// including handling of its default argument expressions. |
| OwningExprResult BuildCXXConstructExpr(SourceLocation ConstructLoc, |
| QualType DeclInitType, |
| CXXConstructorDecl *Constructor, |
| MultiExprArg Exprs); |
| |
| // FIXME: Can re remove this and have the above BuildCXXConstructExpr check if |
| // the constructor can be elidable? |
| OwningExprResult BuildCXXConstructExpr(SourceLocation ConstructLoc, |
| QualType DeclInitType, |
| CXXConstructorDecl *Constructor, |
| bool Elidable, |
| MultiExprArg Exprs); |
| |
| OwningExprResult BuildCXXTemporaryObjectExpr(CXXConstructorDecl *Cons, |
| QualType writtenTy, |
| SourceLocation tyBeginLoc, |
| MultiExprArg Args, |
| SourceLocation rParenLoc); |
| |
| OwningExprResult BuildCXXCastArgument(SourceLocation CastLoc, |
| QualType Ty, |
| CastExpr::CastKind Kind, |
| CXXMethodDecl *Method, |
| ExprArg Arg); |
| |
| /// BuildCXXDefaultArgExpr - Creates a CXXDefaultArgExpr, instantiating |
| /// the default expr if needed. |
| OwningExprResult BuildCXXDefaultArgExpr(SourceLocation CallLoc, |
| FunctionDecl *FD, |
| ParmVarDecl *Param); |
| |
| /// FinalizeVarWithDestructor - Prepare for calling destructor on the |
| /// constructed variable. |
| void FinalizeVarWithDestructor(VarDecl *VD, QualType DeclInitType); |
| |
| /// DefineImplicitDefaultConstructor - Checks for feasibility of |
| /// defining this constructor as the default constructor. |
| void DefineImplicitDefaultConstructor(SourceLocation CurrentLocation, |
| CXXConstructorDecl *Constructor); |
| |
| /// DefineImplicitDestructor - Checks for feasibility of |
| /// defining this destructor as the default destructor. |
| void DefineImplicitDestructor(SourceLocation CurrentLocation, |
| CXXDestructorDecl *Destructor); |
| |
| /// DefineImplicitCopyConstructor - Checks for feasibility of |
| /// defining this constructor as the copy constructor. |
| void DefineImplicitCopyConstructor(SourceLocation CurrentLocation, |
| CXXConstructorDecl *Constructor, |
| unsigned TypeQuals); |
| |
| /// DefineImplicitOverloadedAssign - Checks for feasibility of |
| /// defining implicit this overloaded assignment operator. |
| void DefineImplicitOverloadedAssign(SourceLocation CurrentLocation, |
| CXXMethodDecl *MethodDecl); |
| |
| /// getAssignOperatorMethod - Returns the default copy assignmment operator |
| /// for the class. |
| CXXMethodDecl *getAssignOperatorMethod(ParmVarDecl *Decl, |
| CXXRecordDecl *ClassDecl); |
| |
| /// MaybeBindToTemporary - If the passed in expression has a record type with |
| /// a non-trivial destructor, this will return CXXBindTemporaryExpr. Otherwise |
| /// it simply returns the passed in expression. |
| OwningExprResult MaybeBindToTemporary(Expr *E); |
| |
| /// InitializationKind - Represents which kind of C++ initialization |
| /// [dcl.init] a routine is to perform. |
| enum InitializationKind { |
| IK_Direct, ///< Direct initialization |
| IK_Copy, ///< Copy initialization |
| IK_Default ///< Default initialization |
| }; |
| |
| CXXConstructorDecl * |
| PerformInitializationByConstructor(QualType ClassType, |
| MultiExprArg ArgsPtr, |
| SourceLocation Loc, SourceRange Range, |
| DeclarationName InitEntity, |
| InitializationKind Kind, |
| ASTOwningVector<&ActionBase::DeleteExpr> &ConvertedArgs); |
| |
| bool CompleteConstructorCall(CXXConstructorDecl *Constructor, |
| MultiExprArg ArgsPtr, |
| SourceLocation Loc, |
| ASTOwningVector<&ActionBase::DeleteExpr> &ConvertedArgs); |
| |
| /// ActOnCXXNamedCast - Parse {dynamic,static,reinterpret,const}_cast's. |
| virtual OwningExprResult ActOnCXXNamedCast(SourceLocation OpLoc, |
| tok::TokenKind Kind, |
| SourceLocation LAngleBracketLoc, |
| TypeTy *Ty, |
| SourceLocation RAngleBracketLoc, |
| SourceLocation LParenLoc, |
| ExprArg E, |
| SourceLocation RParenLoc); |
| |
| /// ActOnCXXTypeid - Parse typeid( something ). |
| virtual OwningExprResult ActOnCXXTypeid(SourceLocation OpLoc, |
| SourceLocation LParenLoc, bool isType, |
| void *TyOrExpr, |
| SourceLocation RParenLoc); |
| |
| //// ActOnCXXThis - Parse 'this' pointer. |
| virtual OwningExprResult ActOnCXXThis(SourceLocation ThisLoc); |
| |
| /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| virtual OwningExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, |
| tok::TokenKind Kind); |
| |
| /// ActOnCXXNullPtrLiteral - Parse 'nullptr'. |
| virtual OwningExprResult ActOnCXXNullPtrLiteral(SourceLocation Loc); |
| |
| //// ActOnCXXThrow - Parse throw expressions. |
| virtual OwningExprResult ActOnCXXThrow(SourceLocation OpLoc, |
| ExprArg expr); |
| bool CheckCXXThrowOperand(SourceLocation ThrowLoc, Expr *&E); |
| |
| /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. |
| /// Can be interpreted either as function-style casting ("int(x)") |
| /// or class type construction ("ClassType(x,y,z)") |
| /// or creation of a value-initialized type ("int()"). |
| virtual OwningExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange, |
| TypeTy *TypeRep, |
| SourceLocation LParenLoc, |
| MultiExprArg Exprs, |
| SourceLocation *CommaLocs, |
| SourceLocation RParenLoc); |
| |
| /// ActOnCXXNew - Parsed a C++ 'new' expression. |
| virtual OwningExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| SourceLocation PlacementLParen, |
| MultiExprArg PlacementArgs, |
| SourceLocation PlacementRParen, |
| bool ParenTypeId, Declarator &D, |
| SourceLocation ConstructorLParen, |
| MultiExprArg ConstructorArgs, |
| SourceLocation ConstructorRParen); |
| OwningExprResult BuildCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| SourceLocation PlacementLParen, |
| MultiExprArg PlacementArgs, |
| SourceLocation PlacementRParen, |
| bool ParenTypeId, |
| QualType AllocType, |
| SourceLocation TypeLoc, |
| SourceRange TypeRange, |
| ExprArg ArraySize, |
| SourceLocation ConstructorLParen, |
| MultiExprArg ConstructorArgs, |
| SourceLocation ConstructorRParen); |
| |
| bool CheckAllocatedType(QualType AllocType, SourceLocation Loc, |
| SourceRange R); |
| bool FindAllocationFunctions(SourceLocation StartLoc, SourceRange Range, |
| bool UseGlobal, QualType AllocType, bool IsArray, |
| Expr **PlaceArgs, unsigned NumPlaceArgs, |
| FunctionDecl *&OperatorNew, |
| FunctionDecl *&OperatorDelete); |
| bool FindAllocationOverload(SourceLocation StartLoc, SourceRange Range, |
| DeclarationName Name, Expr** Args, |
| unsigned NumArgs, DeclContext *Ctx, |
| bool AllowMissing, FunctionDecl *&Operator); |
| void DeclareGlobalNewDelete(); |
| void DeclareGlobalAllocationFunction(DeclarationName Name, QualType Return, |
| QualType Argument); |
| |
| /// ActOnCXXDelete - Parsed a C++ 'delete' expression |
| virtual OwningExprResult ActOnCXXDelete(SourceLocation StartLoc, |
| bool UseGlobal, bool ArrayForm, |
| ExprArg Operand); |
| |
| /// ActOnCXXConditionDeclarationExpr - Parsed a condition declaration of a |
| /// C++ if/switch/while/for statement. |
| /// e.g: "if (int x = f()) {...}" |
| virtual OwningExprResult ActOnCXXConditionDeclarationExpr(Scope *S, |
| SourceLocation StartLoc, |
| Declarator &D, |
| SourceLocation EqualLoc, |
| ExprArg AssignExprVal); |
| |
| /// ActOnUnaryTypeTrait - Parsed one of the unary type trait support |
| /// pseudo-functions. |
| virtual OwningExprResult ActOnUnaryTypeTrait(UnaryTypeTrait OTT, |
| SourceLocation KWLoc, |
| SourceLocation LParen, |
| TypeTy *Ty, |
| SourceLocation RParen); |
| |
| virtual OwningExprResult ActOnStartCXXMemberReference(Scope *S, |
| ExprArg Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| TypeTy *&ObjectType); |
| |
| /// MaybeCreateCXXExprWithTemporaries - If the list of temporaries is |
| /// non-empty, will create a new CXXExprWithTemporaries expression. |
| /// Otherwise, just returs the passed in expression. |
| Expr *MaybeCreateCXXExprWithTemporaries(Expr *SubExpr, |
| bool ShouldDestroyTemporaries); |
| |
| virtual OwningExprResult ActOnFinishFullExpr(ExprArg Expr); |
| |
| bool RequireCompleteDeclContext(const CXXScopeSpec &SS); |
| |
| DeclContext *computeDeclContext(QualType T); |
| DeclContext *computeDeclContext(const CXXScopeSpec &SS, |
| bool EnteringContext = false); |
| bool isDependentScopeSpecifier(const CXXScopeSpec &SS); |
| CXXRecordDecl *getCurrentInstantiationOf(NestedNameSpecifier *NNS); |
| bool isUnknownSpecialization(const CXXScopeSpec &SS); |
| |
| /// ActOnCXXGlobalScopeSpecifier - Return the object that represents the |
| /// global scope ('::'). |
| virtual CXXScopeTy *ActOnCXXGlobalScopeSpecifier(Scope *S, |
| SourceLocation CCLoc); |
| |
| bool isAcceptableNestedNameSpecifier(NamedDecl *SD); |
| NamedDecl *FindFirstQualifierInScope(Scope *S, NestedNameSpecifier *NNS); |
| |
| |
| CXXScopeTy *BuildCXXNestedNameSpecifier(Scope *S, |
| const CXXScopeSpec &SS, |
| SourceLocation IdLoc, |
| SourceLocation CCLoc, |
| IdentifierInfo &II, |
| QualType ObjectType, |
| NamedDecl *ScopeLookupResult, |
| bool EnteringContext); |
| |
| virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S, |
| const CXXScopeSpec &SS, |
| SourceLocation IdLoc, |
| SourceLocation CCLoc, |
| IdentifierInfo &II, |
| TypeTy *ObjectType, |
| bool EnteringContext); |
| |
| /// ActOnCXXNestedNameSpecifier - Called during parsing of a |
| /// nested-name-specifier that involves a template-id, e.g., |
| /// "foo::bar<int, float>::", and now we need to build a scope |
| /// specifier. \p SS is empty or the previously parsed nested-name |
| /// part ("foo::"), \p Type is the already-parsed class template |
| /// specialization (or other template-id that names a type), \p |
| /// TypeRange is the source range where the type is located, and \p |
| /// CCLoc is the location of the trailing '::'. |
| virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S, |
| const CXXScopeSpec &SS, |
| TypeTy *Type, |
| SourceRange TypeRange, |
| SourceLocation CCLoc); |
| |
| /// ActOnCXXEnterDeclaratorScope - Called when a C++ scope specifier (global |
| /// scope or nested-name-specifier) is parsed, part of a declarator-id. |
| /// After this method is called, according to [C++ 3.4.3p3], names should be |
| /// looked up in the declarator-id's scope, until the declarator is parsed and |
| /// ActOnCXXExitDeclaratorScope is called. |
| /// The 'SS' should be a non-empty valid CXXScopeSpec. |
| virtual bool ActOnCXXEnterDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
| |
| /// ActOnCXXExitDeclaratorScope - Called when a declarator that previously |
| /// invoked ActOnCXXEnterDeclaratorScope(), is finished. 'SS' is the same |
| /// CXXScopeSpec that was passed to ActOnCXXEnterDeclaratorScope as well. |
| /// Used to indicate that names should revert to being looked up in the |
| /// defining scope. |
| virtual void ActOnCXXExitDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
| |
| /// ActOnCXXEnterDeclInitializer - Invoked when we are about to parse an |
| /// initializer for the declaration 'Dcl'. |
| /// After this method is called, according to [C++ 3.4.1p13], if 'Dcl' is a |
| /// static data member of class X, names should be looked up in the scope of |
| /// class X. |
| virtual void ActOnCXXEnterDeclInitializer(Scope *S, DeclPtrTy Dcl); |
| |
| /// ActOnCXXExitDeclInitializer - Invoked after we are finished parsing an |
| /// initializer for the declaration 'Dcl'. |
| virtual void ActOnCXXExitDeclInitializer(Scope *S, DeclPtrTy Dcl); |
| |
| // ParseObjCStringLiteral - Parse Objective-C string literals. |
| virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| ExprTy **Strings, |
| unsigned NumStrings); |
| |
| Expr *BuildObjCEncodeExpression(SourceLocation AtLoc, |
| QualType EncodedType, |
| SourceLocation RParenLoc); |
| CXXMemberCallExpr *BuildCXXMemberCallExpr(Expr *Exp, CXXMethodDecl *Method); |
| |
| virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
| SourceLocation EncodeLoc, |
| SourceLocation LParenLoc, |
| TypeTy *Ty, |
| SourceLocation RParenLoc); |
| |
| // ParseObjCSelectorExpression - Build selector expression for @selector |
| virtual ExprResult ParseObjCSelectorExpression(Selector Sel, |
| SourceLocation AtLoc, |
| SourceLocation SelLoc, |
| SourceLocation LParenLoc, |
| SourceLocation RParenLoc); |
| |
| // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| SourceLocation AtLoc, |
| SourceLocation ProtoLoc, |
| SourceLocation LParenLoc, |
| SourceLocation RParenLoc); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Declarations |
| // |
| virtual DeclPtrTy ActOnStartLinkageSpecification(Scope *S, |
| SourceLocation ExternLoc, |
| SourceLocation LangLoc, |
| const char *Lang, |
| unsigned StrSize, |
| SourceLocation LBraceLoc); |
| virtual DeclPtrTy ActOnFinishLinkageSpecification(Scope *S, |
| DeclPtrTy LinkageSpec, |
| SourceLocation RBraceLoc); |
| |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Classes |
| // |
| virtual bool isCurrentClassName(const IdentifierInfo &II, Scope *S, |
| const CXXScopeSpec *SS); |
| |
| virtual DeclPtrTy ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
| Declarator &D, |
| MultiTemplateParamsArg TemplateParameterLists, |
| ExprTy *BitfieldWidth, |
| ExprTy *Init, |
| bool Deleted = false); |
| |
| virtual MemInitResult ActOnMemInitializer(DeclPtrTy ConstructorD, |
| Scope *S, |
| const CXXScopeSpec &SS, |
| IdentifierInfo *MemberOrBase, |
| TypeTy *TemplateTypeTy, |
| SourceLocation IdLoc, |
| SourceLocation LParenLoc, |
| ExprTy **Args, unsigned NumArgs, |
| SourceLocation *CommaLocs, |
| SourceLocation RParenLoc); |
| |
| MemInitResult BuildMemberInitializer(FieldDecl *Member, Expr **Args, |
| unsigned NumArgs, SourceLocation IdLoc, |
| SourceLocation RParenLoc); |
| |
| MemInitResult BuildBaseInitializer(QualType BaseType, Expr **Args, |
| unsigned NumArgs, SourceLocation IdLoc, |
| SourceLocation RParenLoc, |
| CXXRecordDecl *ClassDecl); |
| |
| void SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor, |
| CXXBaseOrMemberInitializer **Initializers, |
| unsigned NumInitializers, |
| llvm::SmallVectorImpl<CXXBaseSpecifier *>& Bases, |
| llvm::SmallVectorImpl<FieldDecl *>&Members); |
| |
| /// computeBaseOrMembersToDestroy - Compute information in current |
| /// destructor decl's AST of bases and non-static data members which will be |
| /// implicitly destroyed. We are storing the destruction in the order that |
| /// they should occur (which is the reverse of construction order). |
| void computeBaseOrMembersToDestroy(CXXDestructorDecl *Destructor); |
| |
| void AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl); |
| |
| virtual void ActOnMemInitializers(DeclPtrTy ConstructorDecl, |
| SourceLocation ColonLoc, |
| MemInitTy **MemInits, unsigned NumMemInits); |
| |
| virtual void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc, |
| DeclPtrTy TagDecl, |
| SourceLocation LBrac, |
| SourceLocation RBrac); |
| |
| virtual void ActOnReenterTemplateScope(Scope *S, DeclPtrTy Template); |
| virtual void ActOnStartDelayedCXXMethodDeclaration(Scope *S, |
| DeclPtrTy Method); |
| virtual void ActOnDelayedCXXMethodParameter(Scope *S, DeclPtrTy Param); |
| virtual void ActOnFinishDelayedCXXMethodDeclaration(Scope *S, |
| DeclPtrTy Method); |
| |
| virtual DeclPtrTy ActOnStaticAssertDeclaration(SourceLocation AssertLoc, |
| ExprArg AssertExpr, |
| ExprArg AssertMessageExpr); |
| |
| DeclPtrTy ActOnFriendTypeDecl(Scope *S, const DeclSpec &DS, |
| MultiTemplateParamsArg TemplateParams); |
| DeclPtrTy ActOnFriendFunctionDecl(Scope *S, Declarator &D, bool IsDefinition, |
| MultiTemplateParamsArg TemplateParams); |
| |
| QualType CheckConstructorDeclarator(Declarator &D, QualType R, |
| FunctionDecl::StorageClass& SC); |
| void CheckConstructor(CXXConstructorDecl *Constructor); |
| QualType CheckDestructorDeclarator(Declarator &D, |
| FunctionDecl::StorageClass& SC); |
| void CheckConversionDeclarator(Declarator &D, QualType &R, |
| FunctionDecl::StorageClass& SC); |
| DeclPtrTy ActOnConversionDeclarator(CXXConversionDecl *Conversion); |
| |
| bool isImplicitMemberReference(const CXXScopeSpec *SS, NamedDecl *D, |
| SourceLocation NameLoc, QualType &ThisType, |
| QualType &MemberType); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Derived Classes |
| // |
| |
| /// ActOnBaseSpecifier - Parsed a base specifier |
| CXXBaseSpecifier *CheckBaseSpecifier(CXXRecordDecl *Class, |
| SourceRange SpecifierRange, |
| bool Virtual, AccessSpecifier Access, |
| QualType BaseType, |
| SourceLocation BaseLoc); |
| virtual BaseResult ActOnBaseSpecifier(DeclPtrTy classdecl, |
| SourceRange SpecifierRange, |
| bool Virtual, AccessSpecifier Access, |
| TypeTy *basetype, SourceLocation |
| BaseLoc); |
| |
| bool AttachBaseSpecifiers(CXXRecordDecl *Class, CXXBaseSpecifier **Bases, |
| unsigned NumBases); |
| virtual void ActOnBaseSpecifiers(DeclPtrTy ClassDecl, BaseTy **Bases, |
| unsigned NumBases); |
| |
| bool IsDerivedFrom(QualType Derived, QualType Base); |
| bool IsDerivedFrom(QualType Derived, QualType Base, CXXBasePaths &Paths); |
| |
| bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| SourceLocation Loc, SourceRange Range); |
| bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| unsigned InaccessibleBaseID, |
| unsigned AmbigiousBaseConvID, |
| SourceLocation Loc, SourceRange Range, |
| DeclarationName Name); |
| |
| std::string getAmbiguousPathsDisplayString(CXXBasePaths &Paths); |
| |
| /// CheckOverridingFunctionReturnType - Checks whether the return types are |
| /// covariant, according to C++ [class.virtual]p5. |
| bool CheckOverridingFunctionReturnType(const CXXMethodDecl *New, |
| const CXXMethodDecl *Old); |
| |
| /// CheckOverridingFunctionExceptionSpec - Checks whether the exception |
| /// spec is a subset of base spec. |
| bool CheckOverridingFunctionExceptionSpec(const CXXMethodDecl *New, |
| const CXXMethodDecl *Old); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Access Control |
| // |
| |
| bool SetMemberAccessSpecifier(NamedDecl *MemberDecl, |
| NamedDecl *PrevMemberDecl, |
| AccessSpecifier LexicalAS); |
| |
| const CXXBaseSpecifier *FindInaccessibleBase(QualType Derived, QualType Base, |
| CXXBasePaths &Paths, |
| bool NoPrivileges = false); |
| |
| bool CheckBaseClassAccess(QualType Derived, QualType Base, |
| unsigned InaccessibleBaseID, |
| CXXBasePaths& Paths, SourceLocation AccessLoc, |
| DeclarationName Name); |
| |
| |
| enum AbstractDiagSelID { |
| AbstractNone = -1, |
| AbstractReturnType, |
| AbstractParamType, |
| AbstractVariableType, |
| AbstractFieldType |
| }; |
| |
| bool RequireNonAbstractType(SourceLocation Loc, QualType T, |
| const PartialDiagnostic &PD, |
| const CXXRecordDecl *CurrentRD = 0); |
| |
| bool RequireNonAbstractType(SourceLocation Loc, QualType T, unsigned DiagID, |
| AbstractDiagSelID SelID = AbstractNone, |
| const CXXRecordDecl *CurrentRD = 0); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Overloaded Operators [C++ 13.5] |
| // |
| |
| bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Templates [C++ 14] |
| // |
| virtual TemplateNameKind isTemplateName(Scope *S, |
| const CXXScopeSpec &SS, |
| UnqualifiedId &Name, |
| TypeTy *ObjectType, |
| bool EnteringContext, |
| TemplateTy &Template); |
| bool DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl); |
| TemplateDecl *AdjustDeclIfTemplate(DeclPtrTy &Decl); |
| |
| virtual DeclPtrTy ActOnTypeParameter(Scope *S, bool Typename, bool Ellipsis, |
| SourceLocation EllipsisLoc, |
| SourceLocation KeyLoc, |
| IdentifierInfo *ParamName, |
| SourceLocation ParamNameLoc, |
| unsigned Depth, unsigned Position); |
| virtual void ActOnTypeParameterDefault(DeclPtrTy TypeParam, |
| SourceLocation EqualLoc, |
| SourceLocation DefaultLoc, |
| TypeTy *Default); |
| |
| QualType CheckNonTypeTemplateParameterType(QualType T, SourceLocation Loc); |
| virtual DeclPtrTy ActOnNonTypeTemplateParameter(Scope *S, Declarator &D, |
| unsigned Depth, |
| unsigned Position); |
| virtual void ActOnNonTypeTemplateParameterDefault(DeclPtrTy TemplateParam, |
| SourceLocation EqualLoc, |
| ExprArg Default); |
| virtual DeclPtrTy ActOnTemplateTemplateParameter(Scope *S, |
| SourceLocation TmpLoc, |
| TemplateParamsTy *Params, |
| IdentifierInfo *ParamName, |
| SourceLocation ParamNameLoc, |
| unsigned Depth, |
| unsigned Position); |
| virtual void ActOnTemplateTemplateParameterDefault(DeclPtrTy TemplateParam, |
| SourceLocation EqualLoc, |
| ExprArg Default); |
| |
| virtual TemplateParamsTy * |
| ActOnTemplateParameterList(unsigned Depth, |
| SourceLocation ExportLoc, |
| SourceLocation TemplateLoc, |
| SourceLocation LAngleLoc, |
| DeclPtrTy *Params, unsigned NumParams, |
| SourceLocation RAngleLoc); |
| bool CheckTemplateParameterList(TemplateParameterList *NewParams, |
| TemplateParameterList *OldParams); |
| TemplateParameterList * |
| MatchTemplateParametersToScopeSpecifier(SourceLocation DeclStartLoc, |
| const CXXScopeSpec &SS, |
| TemplateParameterList **ParamLists, |
| unsigned NumParamLists, |
| bool &IsExplicitSpecialization); |
| |
| DeclResult CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK, |
| SourceLocation KWLoc, const CXXScopeSpec &SS, |
| IdentifierInfo *Name, SourceLocation NameLoc, |
| AttributeList *Attr, |
| TemplateParameterList *TemplateParams, |
| AccessSpecifier AS); |
| |
| void translateTemplateArguments(ASTTemplateArgsPtr &TemplateArgsIn, |
| SourceLocation *TemplateArgLocsIn, |
| llvm::SmallVector<TemplateArgumentLoc, 16> &TempArgs); |
| |
| QualType CheckTemplateIdType(TemplateName Template, |
| SourceLocation TemplateLoc, |
| SourceLocation LAngleLoc, |
| const TemplateArgumentLoc *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceLocation RAngleLoc); |
| |
| virtual TypeResult |
| ActOnTemplateIdType(TemplateTy Template, SourceLocation TemplateLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation *TemplateArgLocs, |
| SourceLocation RAngleLoc); |
| |
| virtual TypeResult ActOnTagTemplateIdType(TypeResult Type, |
| TagUseKind TUK, |
| DeclSpec::TST TagSpec, |
| SourceLocation TagLoc); |
| |
| OwningExprResult BuildTemplateIdExpr(NestedNameSpecifier *Qualifier, |
| SourceRange QualifierRange, |
| TemplateName Template, |
| SourceLocation TemplateNameLoc, |
| SourceLocation LAngleLoc, |
| const TemplateArgumentLoc *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceLocation RAngleLoc); |
| |
| OwningExprResult ActOnTemplateIdExpr(const CXXScopeSpec &SS, |
| TemplateTy Template, |
| SourceLocation TemplateNameLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation *TemplateArgLocs, |
| SourceLocation RAngleLoc); |
| |
| virtual TemplateTy ActOnDependentTemplateName(SourceLocation TemplateKWLoc, |
| const CXXScopeSpec &SS, |
| UnqualifiedId &Name, |
| TypeTy *ObjectType); |
| |
| bool CheckClassTemplatePartialSpecializationArgs( |
| TemplateParameterList *TemplateParams, |
| const TemplateArgumentListBuilder &TemplateArgs, |
| bool &MirrorsPrimaryTemplate); |
| |
| virtual DeclResult |
| ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec, TagUseKind TUK, |
| SourceLocation KWLoc, |
| const CXXScopeSpec &SS, |
| TemplateTy Template, |
| SourceLocation TemplateNameLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation *TemplateArgLocs, |
| SourceLocation RAngleLoc, |
| AttributeList *Attr, |
| MultiTemplateParamsArg TemplateParameterLists); |
| |
| virtual DeclPtrTy ActOnTemplateDeclarator(Scope *S, |
| MultiTemplateParamsArg TemplateParameterLists, |
| Declarator &D); |
| |
| virtual DeclPtrTy ActOnStartOfFunctionTemplateDef(Scope *FnBodyScope, |
| MultiTemplateParamsArg TemplateParameterLists, |
| Declarator &D); |
| |
| bool |
| CheckSpecializationInstantiationRedecl(SourceLocation NewLoc, |
| TemplateSpecializationKind NewTSK, |
| NamedDecl *PrevDecl, |
| TemplateSpecializationKind PrevTSK, |
| SourceLocation PrevPointOfInstantiation, |
| bool &SuppressNew); |
| |
| bool CheckFunctionTemplateSpecialization(FunctionDecl *FD, |
| bool HasExplicitTemplateArgs, |
| SourceLocation LAngleLoc, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| SourceLocation RAngleLoc, |
| NamedDecl *&PrevDecl); |
| bool CheckMemberSpecialization(NamedDecl *Member, NamedDecl *&PrevDecl); |
| |
| virtual DeclResult |
| ActOnExplicitInstantiation(Scope *S, |
| SourceLocation ExternLoc, |
| SourceLocation TemplateLoc, |
| unsigned TagSpec, |
| SourceLocation KWLoc, |
| const CXXScopeSpec &SS, |
| TemplateTy Template, |
| SourceLocation TemplateNameLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation *TemplateArgLocs, |
| SourceLocation RAngleLoc, |
| AttributeList *Attr); |
| |
| virtual DeclResult |
| ActOnExplicitInstantiation(Scope *S, |
| SourceLocation ExternLoc, |
| SourceLocation TemplateLoc, |
| unsigned TagSpec, |
| SourceLocation KWLoc, |
| const CXXScopeSpec &SS, |
| IdentifierInfo *Name, |
| SourceLocation NameLoc, |
| AttributeList *Attr); |
| |
| virtual DeclResult ActOnExplicitInstantiation(Scope *S, |
| SourceLocation ExternLoc, |
| SourceLocation TemplateLoc, |
| Declarator &D); |
| |
| bool CheckTemplateArgumentList(TemplateDecl *Template, |
| SourceLocation TemplateLoc, |
| SourceLocation LAngleLoc, |
| const TemplateArgumentLoc *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceLocation RAngleLoc, |
| bool PartialTemplateArgs, |
| TemplateArgumentListBuilder &Converted); |
| |
| bool CheckTemplateTypeArgument(TemplateTypeParmDecl *Param, |
| const TemplateArgumentLoc &Arg, |
| TemplateArgumentListBuilder &Converted); |
| |
| bool CheckTemplateArgument(TemplateTypeParmDecl *Param, |
| DeclaratorInfo *Arg); |
| bool CheckTemplateArgumentAddressOfObjectOrFunction(Expr *Arg, |
| NamedDecl *&Entity); |
| bool CheckTemplateArgumentPointerToMember(Expr *Arg, NamedDecl *&Member); |
| bool CheckTemplateArgument(NonTypeTemplateParmDecl *Param, |
| QualType InstantiatedParamType, Expr *&Arg, |
| TemplateArgument &Converted); |
| bool CheckTemplateArgument(TemplateTemplateParmDecl *Param, DeclRefExpr *Arg); |
| bool TemplateParameterListsAreEqual(TemplateParameterList *New, |
| TemplateParameterList *Old, |
| bool Complain, |
| bool IsTemplateTemplateParm = false, |
| SourceLocation TemplateArgLoc |
| = SourceLocation()); |
| |
| bool CheckTemplateDeclScope(Scope *S, TemplateParameterList *TemplateParams); |
| |
| /// \brief Called when the parser has parsed a C++ typename |
| /// specifier, e.g., "typename T::type". |
| /// |
| /// \param TypenameLoc the location of the 'typename' keyword |
| /// \param SS the nested-name-specifier following the typename (e.g., 'T::'). |
| /// \param II the identifier we're retrieving (e.g., 'type' in the example). |
| /// \param IdLoc the location of the identifier. |
| virtual TypeResult |
| ActOnTypenameType(SourceLocation TypenameLoc, const CXXScopeSpec &SS, |
| const IdentifierInfo &II, SourceLocation IdLoc); |
| |
| /// \brief Called when the parser has parsed a C++ typename |
| /// specifier that ends in a template-id, e.g., |
| /// "typename MetaFun::template apply<T1, T2>". |
| /// |
| /// \param TypenameLoc the location of the 'typename' keyword |
| /// \param SS the nested-name-specifier following the typename (e.g., 'T::'). |
| /// \param TemplateLoc the location of the 'template' keyword, if any. |
| /// \param Ty the type that the typename specifier refers to. |
| virtual TypeResult |
| ActOnTypenameType(SourceLocation TypenameLoc, const CXXScopeSpec &SS, |
| SourceLocation TemplateLoc, TypeTy *Ty); |
| |
| QualType CheckTypenameType(NestedNameSpecifier *NNS, |
| const IdentifierInfo &II, |
| SourceRange Range); |
| |
| QualType RebuildTypeInCurrentInstantiation(QualType T, SourceLocation Loc, |
| DeclarationName Name); |
| |
| std::string |
| getTemplateArgumentBindingsText(const TemplateParameterList *Params, |
| const TemplateArgumentList &Args); |
| |
| /// \brief Describes the result of template argument deduction. |
| /// |
| /// The TemplateDeductionResult enumeration describes the result of |
| /// template argument deduction, as returned from |
| /// DeduceTemplateArguments(). The separate TemplateDeductionInfo |
| /// structure provides additional information about the results of |
| /// template argument deduction, e.g., the deduced template argument |
| /// list (if successful) or the specific template parameters or |
| /// deduced arguments that were involved in the failure. |
| enum TemplateDeductionResult { |
| /// \brief Template argument deduction was successful. |
| TDK_Success = 0, |
| /// \brief Template argument deduction exceeded the maximum template |
| /// instantiation depth (which has already been diagnosed). |
| TDK_InstantiationDepth, |
| /// \brief Template argument deduction did not deduce a value |
| /// for every template parameter. |
| TDK_Incomplete, |
| /// \brief Template argument deduction produced inconsistent |
| /// deduced values for the given template parameter. |
| TDK_Inconsistent, |
| /// \brief Template argument deduction failed due to inconsistent |
| /// cv-qualifiers on a template parameter type that would |
| /// otherwise be deduced, e.g., we tried to deduce T in "const T" |
| /// but were given a non-const "X". |
| TDK_InconsistentQuals, |
| /// \brief Substitution of the deduced template argument values |
| /// resulted in an error. |
| TDK_SubstitutionFailure, |
| /// \brief Substitution of the deduced template argument values |
| /// into a non-deduced context produced a type or value that |
| /// produces a type that does not match the original template |
| /// arguments provided. |
| TDK_NonDeducedMismatch, |
| /// \brief When performing template argument deduction for a function |
| /// template, there were too many call arguments. |
| TDK_TooManyArguments, |
| /// \brief When performing template argument deduction for a function |
| /// template, there were too few call arguments. |
| TDK_TooFewArguments, |
| /// \brief The explicitly-specified template arguments were not valid |
| /// template arguments for the given template. |
| TDK_InvalidExplicitArguments |
| }; |
| |
| /// \brief Provides information about an attempted template argument |
| /// deduction, whose success or failure was described by a |
| /// TemplateDeductionResult value. |
| class TemplateDeductionInfo { |
| /// \brief The context in which the template arguments are stored. |
| ASTContext &Context; |
| |
| /// \brief The deduced template argument list. |
| /// |
| TemplateArgumentList *Deduced; |
| |
| // do not implement these |
| TemplateDeductionInfo(const TemplateDeductionInfo&); |
| TemplateDeductionInfo &operator=(const TemplateDeductionInfo&); |
| |
| public: |
| TemplateDeductionInfo(ASTContext &Context) : Context(Context), Deduced(0) { } |
| |
| ~TemplateDeductionInfo() { |
| // FIXME: if (Deduced) Deduced->Destroy(Context); |
| } |
| |
| /// \brief Take ownership of the deduced template argument list. |
| TemplateArgumentList *take() { |
| TemplateArgumentList *Result = Deduced; |
| Deduced = 0; |
| return Result; |
| } |
| |
| /// \brief Provide a new template argument list that contains the |
| /// results of template argument deduction. |
| void reset(TemplateArgumentList *NewDeduced) { |
| // FIXME: if (Deduced) Deduced->Destroy(Context); |
| Deduced = NewDeduced; |
| } |
| |
| /// \brief The template parameter to which a template argument |
| /// deduction failure refers. |
| /// |
| /// Depending on the result of template argument deduction, this |
| /// template parameter may have different meanings: |
| /// |
| /// TDK_Incomplete: this is the first template parameter whose |
| /// corresponding template argument was not deduced. |
| /// |
| /// TDK_Inconsistent: this is the template parameter for which |
| /// two different template argument values were deduced. |
| TemplateParameter Param; |
| |
| /// \brief The first template argument to which the template |
| /// argument deduction failure refers. |
| /// |
| /// Depending on the result of the template argument deduction, |
| /// this template argument may have different meanings: |
| /// |
| /// TDK_Inconsistent: this argument is the first value deduced |
| /// for the corresponding template parameter. |
| /// |
| /// TDK_SubstitutionFailure: this argument is the template |
| /// argument we were instantiating when we encountered an error. |
| /// |
| /// TDK_NonDeducedMismatch: this is the template argument |
| /// provided in the source code. |
| TemplateArgument FirstArg; |
| |
| /// \brief The second template argument to which the template |
| /// argument deduction failure refers. |
| /// |
| /// FIXME: Finish documenting this. |
| TemplateArgument SecondArg; |
| }; |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial, |
| const TemplateArgumentList &TemplateArgs, |
| TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| SubstituteExplicitTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| llvm::SmallVectorImpl<TemplateArgument> &Deduced, |
| llvm::SmallVectorImpl<QualType> &ParamTypes, |
| QualType *FunctionType, |
| TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| FinishTemplateArgumentDeduction(FunctionTemplateDecl *FunctionTemplate, |
| llvm::SmallVectorImpl<TemplateArgument> &Deduced, |
| FunctionDecl *&Specialization, |
| TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| bool HasExplicitTemplateArgs, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| Expr **Args, unsigned NumArgs, |
| FunctionDecl *&Specialization, |
| TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| bool HasExplicitTemplateArgs, |
| const TemplateArgumentLoc *ExplicitTemplateArgs, |
| unsigned NumExplicitTemplateArgs, |
| QualType ArgFunctionType, |
| FunctionDecl *&Specialization, |
| TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| QualType ToType, |
| CXXConversionDecl *&Specialization, |
| TemplateDeductionInfo &Info); |
| |
| FunctionTemplateDecl *getMoreSpecializedTemplate(FunctionTemplateDecl *FT1, |
| FunctionTemplateDecl *FT2, |
| TemplatePartialOrderingContext TPOC); |
| FunctionDecl *getMostSpecialized(FunctionDecl **Specializations, |
| unsigned NumSpecializations, |
| TemplatePartialOrderingContext TPOC, |
| SourceLocation Loc, |
| const PartialDiagnostic &NoneDiag, |
| const PartialDiagnostic &AmbigDiag, |
| const PartialDiagnostic &CandidateDiag, |
| unsigned *Index = 0); |
| |
| ClassTemplatePartialSpecializationDecl * |
| getMoreSpecializedPartialSpecialization( |
| ClassTemplatePartialSpecializationDecl *PS1, |
| ClassTemplatePartialSpecializationDecl *PS2); |
| |
| void MarkUsedTemplateParameters(const TemplateArgumentList &TemplateArgs, |
| bool OnlyDeduced, |
| unsigned Depth, |
| llvm::SmallVectorImpl<bool> &Used); |
| void MarkDeducedTemplateParameters(FunctionTemplateDecl *FunctionTemplate, |
| llvm::SmallVectorImpl<bool> &Deduced); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Template Instantiation |
| // |
| |
| MultiLevelTemplateArgumentList getTemplateInstantiationArgs(NamedDecl *D); |
| |
| /// \brief A template instantiation that is currently in progress. |
| struct ActiveTemplateInstantiation { |
| /// \brief The kind of template instantiation we are performing |
| enum InstantiationKind { |
| /// We are instantiating a template declaration. The entity is |
| /// the declaration we're instantiating (e.g., a CXXRecordDecl). |
| TemplateInstantiation, |
| |
| /// We are instantiating a default argument for a template |
| /// parameter. The Entity is the template, and |
| /// TemplateArgs/NumTemplateArguments provides the template |
| /// arguments as specified. |
| /// FIXME: Use a TemplateArgumentList |
| DefaultTemplateArgumentInstantiation, |
| |
| /// We are instantiating a default argument for a function. |
| /// The Entity is the ParmVarDecl, and TemplateArgs/NumTemplateArgs |
| /// provides the template arguments as specified. |
| DefaultFunctionArgumentInstantiation, |
| |
| /// We are substituting explicit template arguments provided for |
| /// a function template. The entity is a FunctionTemplateDecl. |
| ExplicitTemplateArgumentSubstitution, |
| |
| /// We are substituting template argument determined as part of |
| /// template argument deduction for either a class template |
| /// partial specialization or a function template. The |
| /// Entity is either a ClassTemplatePartialSpecializationDecl or |
| /// a FunctionTemplateDecl. |
| DeducedTemplateArgumentSubstitution |
| } Kind; |
| |
| /// \brief The point of instantiation within the source code. |
| SourceLocation PointOfInstantiation; |
| |
| /// \brief The entity that is being instantiated. |
| uintptr_t Entity; |
| |
| // \brief If this the instantiation of a default template |
| // argument, the list of template arguments. |
| const TemplateArgument *TemplateArgs; |
| |
| /// \brief The number of template arguments in TemplateArgs. |
| unsigned NumTemplateArgs; |
| |
| /// \brief The source range that covers the construct that cause |
| /// the instantiation, e.g., the template-id that causes a class |
| /// template instantiation. |
| SourceRange InstantiationRange; |
| |
| ActiveTemplateInstantiation() : Kind(TemplateInstantiation), Entity(0), |
| TemplateArgs(0), NumTemplateArgs(0) {} |
| |
| friend bool operator==(const ActiveTemplateInstantiation &X, |
| const ActiveTemplateInstantiation &Y) { |
| if (X.Kind != Y.Kind) |
| return false; |
| |
| if (X.Entity != Y.Entity) |
| return false; |
| |
| switch (X.Kind) { |
| case TemplateInstantiation: |
| return true; |
| |
| case DefaultTemplateArgumentInstantiation: |
| case ExplicitTemplateArgumentSubstitution: |
| case DeducedTemplateArgumentSubstitution: |
| case DefaultFunctionArgumentInstantiation: |
| return X.TemplateArgs == Y.TemplateArgs; |
| |
| } |
| |
| return true; |
| } |
| |
| friend bool operator!=(const ActiveTemplateInstantiation &X, |
| const ActiveTemplateInstantiation &Y) { |
| return !(X == Y); |
| } |
| }; |
| |
| /// \brief List of active template instantiations. |
| /// |
| /// This vector is treated as a stack. As one template instantiation |
| /// requires another template instantiation, additional |
| /// instantiations are pushed onto the stack up to a |
| /// user-configurable limit LangOptions::InstantiationDepth. |
| llvm::SmallVector<ActiveTemplateInstantiation, 16> |
| ActiveTemplateInstantiations; |
| |
| /// \brief The last template from which a template instantiation |
| /// error or warning was produced. |
| /// |
| /// This value is used to suppress printing of redundant template |
| /// instantiation backtraces when there are multiple errors in the |
| /// same instantiation. FIXME: Does this belong in Sema? It's tough |
| /// to implement it anywhere else. |
| ActiveTemplateInstantiation LastTemplateInstantiationErrorContext; |
| |
| /// \brief A stack object to be created when performing template |
| /// instantiation. |
| /// |
| /// Construction of an object of type \c InstantiatingTemplate |
| /// pushes the current instantiation onto the stack of active |
| /// instantiations. If the size of this stack exceeds the maximum |
| /// number of recursive template instantiations, construction |
| /// produces an error and evaluates true. |
| /// |
| /// Destruction of this object will pop the named instantiation off |
| /// the stack. |
| struct InstantiatingTemplate { |
| /// \brief Note that we are instantiating a class template, |
| /// function template, or a member thereof. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| Decl *Entity, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| /// \brief Note that we are instantiating a default argument in a |
| /// template-id. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| TemplateDecl *Template, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| /// \brief Note that we are instantiating a default argument in a |
| /// template-id. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| FunctionTemplateDecl *FunctionTemplate, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| ActiveTemplateInstantiation::InstantiationKind Kind, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| /// \brief Note that we are instantiating as part of template |
| /// argument deduction for a class template partial |
| /// specialization. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| ClassTemplatePartialSpecializationDecl *PartialSpec, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| ParmVarDecl *Param, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| /// \brief Note that we have finished instantiating this template. |
| void Clear(); |
| |
| ~InstantiatingTemplate() { Clear(); } |
| |
| /// \brief Determines whether we have exceeded the maximum |
| /// recursive template instantiations. |
| operator bool() const { return Invalid; } |
| |
| private: |
| Sema &SemaRef; |
| bool Invalid; |
| |
| bool CheckInstantiationDepth(SourceLocation PointOfInstantiation, |
| SourceRange InstantiationRange); |
| |
| InstantiatingTemplate(const InstantiatingTemplate&); // not implemented |
| |
| InstantiatingTemplate& |
| operator=(const InstantiatingTemplate&); // not implemented |
| }; |
| |
| void PrintInstantiationStack(); |
| |
| /// \brief Determines whether we are currently in a context where |
| /// template argument substitution failures are not considered |
| /// errors. |
| /// |
| /// When this routine returns true, the emission of most diagnostics |
| /// will be suppressed and there will be no local error recovery. |
| bool isSFINAEContext() const; |
| |
| /// \brief RAII class used to determine whether SFINAE has |
| /// trapped any errors that occur during template argument |
| /// deduction. |
| class SFINAETrap { |
| Sema &SemaRef; |
| unsigned PrevSFINAEErrors; |
| public: |
| explicit SFINAETrap(Sema &SemaRef) |
| : SemaRef(SemaRef), PrevSFINAEErrors(SemaRef.NumSFINAEErrors) { } |
| |
| ~SFINAETrap() { SemaRef.NumSFINAEErrors = PrevSFINAEErrors; } |
| |
| /// \brief Determine whether any SFINAE errors have been trapped. |
| bool hasErrorOccurred() const { |
| return SemaRef.NumSFINAEErrors > PrevSFINAEErrors; |
| } |
| }; |
| |
| /// \brief A stack-allocated class that identifies which local |
| /// variable declaration instantiations are present in this scope. |
| /// |
| /// A new instance of this class type will be created whenever we |
| /// instantiate a new function declaration, which will have its own |
| /// set of parameter declarations. |
| class LocalInstantiationScope { |
| /// \brief Reference to the semantic analysis that is performing |
| /// this template instantiation. |
| Sema &SemaRef; |
| |
| /// \brief A mapping from local declarations that occur |
| /// within a template to their instantiations. |
| /// |
| /// This mapping is used during instantiation to keep track of, |
| /// e.g., function parameter and variable declarations. For example, |
| /// given: |
| /// |
| /// \code |
| /// template<typename T> T add(T x, T y) { return x + y; } |
| /// \endcode |
| /// |
| /// when we instantiate add<int>, we will introduce a mapping from |
| /// the ParmVarDecl for 'x' that occurs in the template to the |
| /// instantiated ParmVarDecl for 'x'. |
| llvm::DenseMap<const Decl *, Decl *> LocalDecls; |
| |
| /// \brief The outer scope, in which contains local variable |
| /// definitions from some other instantiation (that may not be |
| /// relevant to this particular scope). |
| LocalInstantiationScope *Outer; |
| |
| // This class is non-copyable |
| LocalInstantiationScope(const LocalInstantiationScope &); |
| LocalInstantiationScope &operator=(const LocalInstantiationScope &); |
| |
| public: |
| LocalInstantiationScope(Sema &SemaRef, bool CombineWithOuterScope = false) |
| : SemaRef(SemaRef), Outer(SemaRef.CurrentInstantiationScope) { |
| if (!CombineWithOuterScope) |
| SemaRef.CurrentInstantiationScope = this; |
| else |
| assert(SemaRef.CurrentInstantiationScope && |
| "No outer instantiation scope?"); |
| } |
| |
| ~LocalInstantiationScope() { |
| SemaRef.CurrentInstantiationScope = Outer; |
| } |
| |
| Decl *getInstantiationOf(const Decl *D) { |
| Decl *Result = LocalDecls[D]; |
| assert(Result && "declaration was not instantiated in this scope!"); |
| return Result; |
| } |
| |
| VarDecl *getInstantiationOf(const VarDecl *Var) { |
| return cast<VarDecl>(getInstantiationOf(cast<Decl>(Var))); |
| } |
| |
| ParmVarDecl *getInstantiationOf(const ParmVarDecl *Var) { |
| return cast<ParmVarDecl>(getInstantiationOf(cast<Decl>(Var))); |
| } |
| |
| NonTypeTemplateParmDecl *getInstantiationOf( |
| const NonTypeTemplateParmDecl *Var) { |
| return cast<NonTypeTemplateParmDecl>(getInstantiationOf(cast<Decl>(Var))); |
| } |
| |
| void InstantiatedLocal(const Decl *D, Decl *Inst) { |
| Decl *&Stored = LocalDecls[D]; |
| assert(!Stored && "Already instantiated this local"); |
| Stored = Inst; |
| } |
| }; |
| |
| /// \brief The current instantiation scope used to store local |
| /// variables. |
| LocalInstantiationScope *CurrentInstantiationScope; |
| |
| /// \brief An entity for which implicit template instantiation is required. |
| /// |
| /// The source location associated with the declaration is the first place in |
| /// the source code where the declaration was "used". It is not necessarily |
| /// the point of instantiation (which will be either before or after the |
| /// namespace-scope declaration that triggered this implicit instantiation), |
| /// However, it is the location that diagnostics should generally refer to, |
| /// because users will need to know what code triggered the instantiation. |
| typedef std::pair<ValueDecl *, SourceLocation> PendingImplicitInstantiation; |
| |
| /// \brief The queue of implicit template instantiations that are required |
| /// but have not yet been performed. |
| std::deque<PendingImplicitInstantiation> PendingImplicitInstantiations; |
| |
| void PerformPendingImplicitInstantiations(); |
| |
| DeclaratorInfo *SubstType(DeclaratorInfo *T, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SourceLocation Loc, DeclarationName Entity); |
| |
| QualType SubstType(QualType T, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SourceLocation Loc, DeclarationName Entity); |
| |
| OwningExprResult SubstExpr(Expr *E, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| OwningStmtResult SubstStmt(Stmt *S, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| Decl *SubstDecl(Decl *D, DeclContext *Owner, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| bool |
| SubstBaseSpecifiers(CXXRecordDecl *Instantiation, |
| CXXRecordDecl *Pattern, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| bool |
| InstantiateClass(SourceLocation PointOfInstantiation, |
| CXXRecordDecl *Instantiation, CXXRecordDecl *Pattern, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| TemplateSpecializationKind TSK, |
| bool Complain = true); |
| |
| bool |
| InstantiateClassTemplateSpecialization(SourceLocation PointOfInstantiation, |
| ClassTemplateSpecializationDecl *ClassTemplateSpec, |
| TemplateSpecializationKind TSK, |
| bool Complain = true); |
| |
| void InstantiateClassMembers(SourceLocation PointOfInstantiation, |
| CXXRecordDecl *Instantiation, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| TemplateSpecializationKind TSK); |
| |
| void InstantiateClassTemplateSpecializationMembers( |
| SourceLocation PointOfInstantiation, |
| ClassTemplateSpecializationDecl *ClassTemplateSpec, |
| TemplateSpecializationKind TSK); |
| |
| NestedNameSpecifier * |
| SubstNestedNameSpecifier(NestedNameSpecifier *NNS, |
| SourceRange Range, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| TemplateName |
| SubstTemplateName(TemplateName Name, SourceLocation Loc, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| bool Subst(const TemplateArgumentLoc &Arg, TemplateArgumentLoc &Result, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| void InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, |
| FunctionDecl *Function, |
| bool Recursive = false, |
| bool DefinitionRequired = false); |
| void InstantiateStaticDataMemberDefinition( |
| SourceLocation PointOfInstantiation, |
| VarDecl *Var, |
| bool Recursive = false, |
| bool DefinitionRequired = false); |
| |
| void InstantiateMemInitializers(CXXConstructorDecl *New, |
| const CXXConstructorDecl *Tmpl, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| NamedDecl *FindInstantiatedDecl(NamedDecl *D, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| DeclContext *FindInstantiatedContext(DeclContext *DC, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| // Objective-C declarations. |
| virtual DeclPtrTy ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassLoc, |
| IdentifierInfo *SuperName, |
| SourceLocation SuperLoc, |
| const DeclPtrTy *ProtoRefs, |
| unsigned NumProtoRefs, |
| SourceLocation EndProtoLoc, |
| AttributeList *AttrList); |
| |
| virtual DeclPtrTy ActOnCompatiblityAlias( |
| SourceLocation AtCompatibilityAliasLoc, |
| IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| IdentifierInfo *ClassName, SourceLocation ClassLocation); |
| |
| void CheckForwardProtocolDeclarationForCircularDependency( |
| IdentifierInfo *PName, |
| SourceLocation &PLoc, SourceLocation PrevLoc, |
| const ObjCList<ObjCProtocolDecl> &PList); |
| |
| virtual DeclPtrTy ActOnStartProtocolInterface( |
| SourceLocation AtProtoInterfaceLoc, |
| IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
| const DeclPtrTy *ProtoRefNames, unsigned NumProtoRefs, |
| SourceLocation EndProtoLoc, |
| AttributeList *AttrList); |
| |
| virtual DeclPtrTy ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassLoc, |
| IdentifierInfo *CategoryName, |
| SourceLocation CategoryLoc, |
| const DeclPtrTy *ProtoRefs, |
| unsigned NumProtoRefs, |
| SourceLocation EndProtoLoc); |
| |
| virtual DeclPtrTy ActOnStartClassImplementation( |
| SourceLocation AtClassImplLoc, |
| IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| IdentifierInfo *SuperClassname, |
| SourceLocation SuperClassLoc); |
| |
| virtual DeclPtrTy ActOnStartCategoryImplementation( |
| SourceLocation AtCatImplLoc, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassLoc, |
| IdentifierInfo *CatName, |
| SourceLocation CatLoc); |
| |
| virtual DeclPtrTy ActOnForwardClassDeclaration(SourceLocation Loc, |
| IdentifierInfo **IdentList, |
| unsigned NumElts); |
| |
| virtual DeclPtrTy ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc, |
| const IdentifierLocPair *IdentList, |
| unsigned NumElts, |
| AttributeList *attrList); |
| |
| virtual void FindProtocolDeclaration(bool WarnOnDeclarations, |
| const IdentifierLocPair *ProtocolId, |
| unsigned NumProtocols, |
| llvm::SmallVectorImpl<DeclPtrTy> &Protocols); |
| |
| /// Ensure attributes are consistent with type. |
| /// \param [in, out] Attributes The attributes to check; they will |
| /// be modified to be consistent with \arg PropertyTy. |
| void CheckObjCPropertyAttributes(QualType PropertyTy, |
| SourceLocation Loc, |
| unsigned &Attributes); |
| void ProcessPropertyDecl(ObjCPropertyDecl *property, ObjCContainerDecl *DC); |
| void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| ObjCPropertyDecl *SuperProperty, |
| const IdentifierInfo *Name); |
| void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
| |
| void CompareMethodParamsInBaseAndSuper(Decl *IDecl, |
| ObjCMethodDecl *MethodDecl, |
| bool IsInstance); |
| |
| void MergeProtocolPropertiesIntoClass(Decl *CDecl, |
| DeclPtrTy MergeProtocols); |
| |
| void DiagnoseClassExtensionDupMethods(ObjCCategoryDecl *CAT, |
| ObjCInterfaceDecl *ID); |
| |
| void MergeOneProtocolPropertiesIntoClass(Decl *CDecl, |
| ObjCProtocolDecl *PDecl); |
| |
| virtual void ActOnAtEnd(SourceLocation AtEndLoc, DeclPtrTy classDecl, |
| DeclPtrTy *allMethods = 0, unsigned allNum = 0, |
| DeclPtrTy *allProperties = 0, unsigned pNum = 0, |
| DeclGroupPtrTy *allTUVars = 0, unsigned tuvNum = 0); |
| |
| virtual DeclPtrTy ActOnProperty(Scope *S, SourceLocation AtLoc, |
| FieldDeclarator &FD, ObjCDeclSpec &ODS, |
| Selector GetterSel, Selector SetterSel, |
| DeclPtrTy ClassCategory, |
| bool *OverridingProperty, |
| tok::ObjCKeywordKind MethodImplKind); |
| |
| virtual DeclPtrTy ActOnPropertyImplDecl(SourceLocation AtLoc, |
| SourceLocation PropertyLoc, |
| bool ImplKind,DeclPtrTy ClassImplDecl, |
| IdentifierInfo *PropertyId, |
| IdentifierInfo *PropertyIvar); |
| |
| virtual DeclPtrTy ActOnMethodDeclaration( |
| SourceLocation BeginLoc, // location of the + or -. |
| SourceLocation EndLoc, // location of the ; or {. |
| tok::TokenKind MethodType, |
| DeclPtrTy ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType, |
| Selector Sel, |
| // optional arguments. The number of types/arguments is obtained |
| // from the Sel.getNumArgs(). |
| ObjCArgInfo *ArgInfo, |
| llvm::SmallVectorImpl<Declarator> &Cdecls, |
| AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| bool isVariadic = false); |
| |
| // Helper method for ActOnClassMethod/ActOnInstanceMethod. |
| // Will search "local" class/category implementations for a method decl. |
| // Will also search in class's root looking for instance method. |
| // Returns 0 if no method is found. |
| ObjCMethodDecl *LookupPrivateClassMethod(Selector Sel, |
| ObjCInterfaceDecl *CDecl); |
| ObjCMethodDecl *LookupPrivateInstanceMethod(Selector Sel, |
| ObjCInterfaceDecl *ClassDecl); |
| |
| virtual OwningExprResult ActOnClassPropertyRefExpr( |
| IdentifierInfo &receiverName, |
| IdentifierInfo &propertyName, |
| SourceLocation &receiverNameLoc, |
| SourceLocation &propertyNameLoc); |
| |
| // ActOnClassMessage - used for both unary and keyword messages. |
| // ArgExprs is optional - if it is present, the number of expressions |
| // is obtained from NumArgs. |
| virtual ExprResult ActOnClassMessage( |
| Scope *S, |
| IdentifierInfo *receivingClassName, Selector Sel, SourceLocation lbrac, |
| SourceLocation receiverLoc, SourceLocation selectorLoc,SourceLocation rbrac, |
| ExprTy **ArgExprs, unsigned NumArgs); |
| |
| // ActOnInstanceMessage - used for both unary and keyword messages. |
| // ArgExprs is optional - if it is present, the number of expressions |
| // is obtained from NumArgs. |
| virtual ExprResult ActOnInstanceMessage( |
| ExprTy *receiver, Selector Sel, |
| SourceLocation lbrac, SourceLocation receiverLoc, SourceLocation rbrac, |
| ExprTy **ArgExprs, unsigned NumArgs); |
| |
| /// ActOnPragmaPack - Called on well formed #pragma pack(...). |
| virtual void ActOnPragmaPack(PragmaPackKind Kind, |
| IdentifierInfo *Name, |
| ExprTy *Alignment, |
| SourceLocation PragmaLoc, |
| SourceLocation LParenLoc, |
| SourceLocation RParenLoc); |
| |
| /// ActOnPragmaUnused - Called on well-formed '#pragma unused'. |
| virtual void ActOnPragmaUnused(const Token *Identifiers, |
| unsigned NumIdentifiers, Scope *curScope, |
| SourceLocation PragmaLoc, |
| SourceLocation LParenLoc, |
| SourceLocation RParenLoc); |
| |
| NamedDecl *DeclClonePragmaWeak(NamedDecl *ND, IdentifierInfo *II); |
| void DeclApplyPragmaWeak(Scope *S, NamedDecl *ND, WeakInfo &W); |
| |
| /// ActOnPragmaWeakID - Called on well formed #pragma weak ident. |
| virtual void ActOnPragmaWeakID(IdentifierInfo* WeakName, |
| SourceLocation PragmaLoc, |
| SourceLocation WeakNameLoc); |
| |
| /// ActOnPragmaWeakAlias - Called on well formed #pragma weak ident = ident. |
| virtual void ActOnPragmaWeakAlias(IdentifierInfo* WeakName, |
| IdentifierInfo* AliasName, |
| SourceLocation PragmaLoc, |
| SourceLocation WeakNameLoc, |
| SourceLocation AliasNameLoc); |
| |
| /// getPragmaPackAlignment() - Return the current alignment as specified by |
| /// the current #pragma pack directive, or 0 if none is currently active. |
| unsigned getPragmaPackAlignment() const; |
| |
| /// FreePackedContext - Deallocate and null out PackContext. |
| void FreePackedContext(); |
| |
| /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| /// cast. If there is already an implicit cast, merge into the existing one. |
| /// If isLvalue, the result of the cast is an lvalue. |
| void ImpCastExprToType(Expr *&Expr, QualType Type, CastExpr::CastKind Kind, |
| bool isLvalue = false); |
| |
| // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
| // functions and arrays to their respective pointers (C99 6.3.2.1). |
| Expr *UsualUnaryConversions(Expr *&expr); |
| |
| // DefaultFunctionArrayConversion - converts functions and arrays |
| // to their respective pointers (C99 6.3.2.1). |
| void DefaultFunctionArrayConversion(Expr *&expr); |
| |
| // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| // do not have a prototype. Integer promotions are performed on each |
| // argument, and arguments that have type float are promoted to double. |
| void DefaultArgumentPromotion(Expr *&Expr); |
| |
| // Used for emitting the right warning by DefaultVariadicArgumentPromotion |
| enum VariadicCallType { |
| VariadicFunction, |
| VariadicBlock, |
| VariadicMethod, |
| VariadicConstructor |
| }; |
| |
| // DefaultVariadicArgumentPromotion - Like DefaultArgumentPromotion, but |
| // will warn if the resulting type is not a POD type. |
| bool DefaultVariadicArgumentPromotion(Expr *&Expr, VariadicCallType CT); |
| |
| // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| // operands and then handles various conversions that are common to binary |
| // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| // routine returns the first non-arithmetic type found. The client is |
| // responsible for emitting appropriate error diagnostics. |
| QualType UsualArithmeticConversions(Expr *&lExpr, Expr *&rExpr, |
| bool isCompAssign = false); |
| |
| /// AssignConvertType - All of the 'assignment' semantic checks return this |
| /// enum to indicate whether the assignment was allowed. These checks are |
| /// done for simple assignments, as well as initialization, return from |
| /// function, argument passing, etc. The query is phrased in terms of a |
| /// source and destination type. |
| enum AssignConvertType { |
| /// Compatible - the types are compatible according to the standard. |
| Compatible, |
| |
| /// PointerToInt - The assignment converts a pointer to an int, which we |
| /// accept as an extension. |
| PointerToInt, |
| |
| /// IntToPointer - The assignment converts an int to a pointer, which we |
| /// accept as an extension. |
| IntToPointer, |
| |
| /// FunctionVoidPointer - The assignment is between a function pointer and |
| /// void*, which the standard doesn't allow, but we accept as an extension. |
| FunctionVoidPointer, |
| |
| /// IncompatiblePointer - The assignment is between two pointers types that |
| /// are not compatible, but we accept them as an extension. |
| IncompatiblePointer, |
| |
| /// IncompatiblePointer - The assignment is between two pointers types which |
| /// point to integers which have a different sign, but are otherwise identical. |
| /// This is a subset of the above, but broken out because it's by far the most |
| /// common case of incompatible pointers. |
| IncompatiblePointerSign, |
| |
| /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| /// c/v/r qualifiers, which we accept as an extension. |
| CompatiblePointerDiscardsQualifiers, |
| |
| /// IncompatibleVectors - The assignment is between two vector types that |
| /// have the same size, which we accept as an extension. |
| IncompatibleVectors, |
| |
| /// IntToBlockPointer - The assignment converts an int to a block |
| /// pointer. We disallow this. |
| IntToBlockPointer, |
| |
| /// IncompatibleBlockPointer - The assignment is between two block |
| /// pointers types that are not compatible. |
| IncompatibleBlockPointer, |
| |
| /// IncompatibleObjCQualifiedId - The assignment is between a qualified |
| /// id type and something else (that is incompatible with it). For example, |
| /// "id <XXX>" = "Foo *", where "Foo *" doesn't implement the XXX protocol. |
| IncompatibleObjCQualifiedId, |
| |
| /// Incompatible - We reject this conversion outright, it is invalid to |
| /// represent it in the AST. |
| Incompatible |
| }; |
| |
| /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| /// assignment conversion type specified by ConvTy. This returns true if the |
| /// conversion was invalid or false if the conversion was accepted. |
| bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| SourceLocation Loc, |
| QualType DstType, QualType SrcType, |
| Expr *SrcExpr, const char *Flavor); |
| |
| /// CheckAssignmentConstraints - Perform type checking for assignment, |
| /// argument passing, variable initialization, and function return values. |
| /// This routine is only used by the following two methods. C99 6.5.16. |
| AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs); |
| |
| // CheckSingleAssignmentConstraints - Currently used by |
| // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
| // this routine performs the default function/array converions. |
| AssignConvertType CheckSingleAssignmentConstraints(QualType lhs, |
| Expr *&rExpr); |
| |
| // \brief If the lhs type is a transparent union, check whether we |
| // can initialize the transparent union with the given expression. |
| AssignConvertType CheckTransparentUnionArgumentConstraints(QualType lhs, |
| Expr *&rExpr); |
| |
| // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) |
| AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, |
| QualType rhsType); |
| |
| // Helper function for CheckAssignmentConstraints involving two |
| // block pointer types. |
| AssignConvertType CheckBlockPointerTypesForAssignment(QualType lhsType, |
| QualType rhsType); |
| |
| bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType); |
| |
| bool CheckExceptionSpecCompatibility(Expr *From, QualType ToType); |
| |
| bool PerformImplicitConversion(Expr *&From, QualType ToType, |
| const char *Flavor, |
| bool AllowExplicit = false, |
| bool Elidable = false); |
| bool PerformImplicitConversion(Expr *&From, QualType ToType, |
| const char *Flavor, |
| bool AllowExplicit, |
| bool Elidable, |
| ImplicitConversionSequence& ICS); |
| bool PerformImplicitConversion(Expr *&From, QualType ToType, |
| const ImplicitConversionSequence& ICS, |
| const char *Flavor); |
| bool PerformImplicitConversion(Expr *&From, QualType ToType, |
| const StandardConversionSequence& SCS, |
| const char *Flavor); |
| |
| bool BuildCXXDerivedToBaseExpr(Expr *&From, CastExpr::CastKind CastKind, |
| const ImplicitConversionSequence& ICS, |
| const char *Flavor); |
| |
| /// the following "Check" methods will return a valid/converted QualType |
| /// or a null QualType (indicating an error diagnostic was issued). |
| |
| /// type checking binary operators (subroutines of CreateBuiltinBinOp). |
| QualType InvalidOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| QualType CheckPointerToMemberOperands( // C++ 5.5 |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isIndirect); |
| QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
| QualType CheckRemainderOperands( // C99 6.5.5 |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
| QualType CheckAdditionOperands( // C99 6.5.6 |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc, QualType* CompLHSTy = 0); |
| QualType CheckSubtractionOperands( // C99 6.5.6 |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc, QualType* CompLHSTy = 0); |
| QualType CheckShiftOperands( // C99 6.5.7 |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
| QualType CheckCompareOperands( // C99 6.5.8/9 |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc, unsigned Opc, bool isRelational); |
| QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false); |
| QualType CheckLogicalOperands( // C99 6.5.[13,14] |
| Expr *&lex, Expr *&rex, SourceLocation OpLoc); |
| // CheckAssignmentOperands is used for both simple and compound assignment. |
| // For simple assignment, pass both expressions and a null converted type. |
| // For compound assignment, pass both expressions and the converted type. |
| QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
| Expr *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType); |
| QualType CheckCommaOperands( // C99 6.5.17 |
| Expr *lex, Expr *&rex, SourceLocation OpLoc); |
| QualType CheckConditionalOperands( // C99 6.5.15 |
| Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
| QualType CXXCheckConditionalOperands( // C++ 5.16 |
| Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); |
| QualType FindCompositePointerType(Expr *&E1, Expr *&E2); // C++ 5.9 |
| |
| /// type checking for vector binary operators. |
| inline QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); |
| inline QualType CheckVectorCompareOperands(Expr *&lex, Expr *&rx, |
| SourceLocation l, bool isRel); |
| |
| /// type checking unary operators (subroutines of ActOnUnaryOp). |
| /// C99 6.5.3.1, 6.5.3.2, 6.5.3.4 |
| QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc, |
| bool isInc); |
| QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc); |
| QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc); |
| QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc, bool isReal); |
| |
| /// type checking primary expressions. |
| QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc, |
| const IdentifierInfo *Comp, |
| SourceLocation CmpLoc); |
| |
| /// type checking declaration initializers (C99 6.7.8) |
| |
| bool CheckInitializerTypes(Expr *&simpleInit_or_initList, QualType &declType, |
| SourceLocation InitLoc,DeclarationName InitEntity, |
| bool DirectInit); |
| bool CheckInitList(InitListExpr *&InitList, QualType &DeclType); |
| bool CheckForConstantInitializer(Expr *e, QualType t); |
| |
| bool CheckValueInitialization(QualType Type, SourceLocation Loc); |
| |
| // type checking C++ declaration initializers (C++ [dcl.init]). |
| |
| /// ReferenceCompareResult - Expresses the result of comparing two |
| /// types (cv1 T1 and cv2 T2) to determine their compatibility for the |
| /// purposes of initialization by reference (C++ [dcl.init.ref]p4). |
| enum ReferenceCompareResult { |
| /// Ref_Incompatible - The two types are incompatible, so direct |
| /// reference binding is not possible. |
| Ref_Incompatible = 0, |
| /// Ref_Related - The two types are reference-related, which means |
| /// that their unqualified forms (T1 and T2) are either the same |
| /// or T1 is a base class of T2. |
| Ref_Related, |
| /// Ref_Compatible_With_Added_Qualification - The two types are |
| /// reference-compatible with added qualification, meaning that |
| /// they are reference-compatible and the qualifiers on T1 (cv1) |
| /// are greater than the qualifiers on T2 (cv2). |
| Ref_Compatible_With_Added_Qualification, |
| /// Ref_Compatible - The two types are reference-compatible and |
| /// have equivalent qualifiers (cv1 == cv2). |
| Ref_Compatible |
| }; |
| |
| ReferenceCompareResult CompareReferenceRelationship(QualType T1, QualType T2, |
| bool& DerivedToBase); |
| |
| bool CheckReferenceInit(Expr *&simpleInit_or_initList, QualType declType, |
| SourceLocation DeclLoc, |
| bool SuppressUserConversions, |
| bool AllowExplicit, |
| bool ForceRValue, |
| ImplicitConversionSequence *ICS = 0); |
| |
| /// CheckCastTypes - Check type constraints for casting between types under |
| /// C semantics, or forward to CXXCheckCStyleCast in C++. |
| bool CheckCastTypes(SourceRange TyRange, QualType CastTy, Expr *&CastExpr, |
| CastExpr::CastKind &Kind, |
| CXXMethodDecl *& ConversionDecl, |
| bool FunctionalStyle = false); |
| |
| // CheckVectorCast - check type constraints for vectors. |
| // Since vectors are an extension, there are no C standard reference for this. |
| // We allow casting between vectors and integer datatypes of the same size. |
| // returns true if the cast is invalid |
| bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty, |
| CastExpr::CastKind &Kind); |
| |
| // CheckExtVectorCast - check type constraints for extended vectors. |
| // Since vectors are an extension, there are no C standard reference for this. |
| // We allow casting between vectors and integer datatypes of the same size, |
| // or vectors and the element type of that vector. |
| // returns true if the cast is invalid |
| bool CheckExtVectorCast(SourceRange R, QualType VectorTy, Expr *&CastExpr, |
| CastExpr::CastKind &Kind); |
| |
| /// CXXCheckCStyleCast - Check constraints of a C-style or function-style |
| /// cast under C++ semantics. |
| bool CXXCheckCStyleCast(SourceRange R, QualType CastTy, Expr *&CastExpr, |
| CastExpr::CastKind &Kind, bool FunctionalStyle, |
| CXXMethodDecl *&ConversionDecl); |
| |
| /// CheckMessageArgumentTypes - Check types in an Obj-C message send. |
| /// \param Method - May be null. |
| /// \param [out] ReturnType - The return type of the send. |
| /// \return true iff there were any incompatible types. |
| bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, Selector Sel, |
| ObjCMethodDecl *Method, bool isClassMessage, |
| SourceLocation lbrac, SourceLocation rbrac, |
| QualType &ReturnType); |
| |
| /// CheckBooleanCondition - Diagnose problems involving the use of |
| /// the given expression as a boolean condition (e.g. in an if |
| /// statement). Also performs the standard function and array |
| /// decays, possibly changing the input variable. |
| /// |
| /// \param Loc - A location associated with the condition, e.g. the |
| /// 'if' keyword. |
| /// \return true iff there were any errors |
| bool CheckBooleanCondition(Expr *&CondExpr, SourceLocation Loc); |
| |
| /// DiagnoseAssignmentAsCondition - Given that an expression is |
| /// being used as a boolean condition, warn if it's an assignment. |
| void DiagnoseAssignmentAsCondition(Expr *E); |
| |
| /// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid. |
| bool CheckCXXBooleanCondition(Expr *&CondExpr); |
| |
| /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| /// the specified width and sign. If an overflow occurs, detect it and emit |
| /// the specified diagnostic. |
| void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| unsigned NewWidth, bool NewSign, |
| SourceLocation Loc, unsigned DiagID); |
| |
| /// Checks that the Objective-C declaration is declared in the global scope. |
| /// Emits an error and marks the declaration as invalid if it's not declared |
| /// in the global scope. |
| bool CheckObjCDeclScope(Decl *D); |
| |
| void InitBuiltinVaListType(); |
| |
| /// VerifyIntegerConstantExpression - verifies that an expression is an ICE, |
| /// and reports the appropriate diagnostics. Returns false on success. |
| /// Can optionally return the value of the expression. |
| bool VerifyIntegerConstantExpression(const Expr *E, llvm::APSInt *Result = 0); |
| |
| /// VerifyBitField - verifies that a bit field expression is an ICE and has |
| /// the correct width, and that the field type is valid. |
| /// Returns false on success. |
| /// Can optionally return whether the bit-field is of width 0 |
| bool VerifyBitField(SourceLocation FieldLoc, IdentifierInfo *FieldName, |
| QualType FieldTy, const Expr *BitWidth, |
| bool *ZeroWidth = 0); |
| |
| /// \name Code completion |
| //@{ |
| void setCodeCompleteConsumer(CodeCompleteConsumer *CCC); |
| virtual void CodeCompleteOrdinaryName(Scope *S); |
| virtual void CodeCompleteMemberReferenceExpr(Scope *S, ExprTy *Base, |
| SourceLocation OpLoc, |
| bool IsArrow); |
| virtual void CodeCompleteTag(Scope *S, unsigned TagSpec); |
| virtual void CodeCompleteCase(Scope *S); |
| virtual void CodeCompleteCall(Scope *S, ExprTy *Fn, |
| ExprTy **Args, unsigned NumArgs); |
| virtual void CodeCompleteQualifiedId(Scope *S, const CXXScopeSpec &SS, |
| bool EnteringContext); |
| virtual void CodeCompleteUsing(Scope *S); |
| virtual void CodeCompleteUsingDirective(Scope *S); |
| virtual void CodeCompleteNamespaceDecl(Scope *S); |
| virtual void CodeCompleteNamespaceAliasDecl(Scope *S); |
| virtual void CodeCompleteOperatorName(Scope *S); |
| |
| virtual void CodeCompleteObjCProperty(Scope *S, ObjCDeclSpec &ODS); |
| //@} |
| |
| //===--------------------------------------------------------------------===// |
| // Extra semantic analysis beyond the C type system |
| private: |
| bool CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
| bool CheckBlockCall(NamedDecl *NDecl, CallExpr *TheCall); |
| |
| SourceLocation getLocationOfStringLiteralByte(const StringLiteral *SL, |
| unsigned ByteNo) const; |
| bool CheckablePrintfAttr(const FormatAttr *Format, CallExpr *TheCall); |
| bool CheckObjCString(Expr *Arg); |
| |
| Action::OwningExprResult CheckBuiltinFunctionCall(unsigned BuiltinID, |
| CallExpr *TheCall); |
| bool SemaBuiltinVAStart(CallExpr *TheCall); |
| bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
| bool SemaBuiltinUnaryFP(CallExpr *TheCall); |
| bool SemaBuiltinStackAddress(CallExpr *TheCall); |
| |
| public: |
| // Used by C++ template instantiation. |
| Action::OwningExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
| |
| private: |
| bool SemaBuiltinPrefetch(CallExpr *TheCall); |
| bool SemaBuiltinObjectSize(CallExpr *TheCall); |
| bool SemaBuiltinLongjmp(CallExpr *TheCall); |
| bool SemaBuiltinAtomicOverloaded(CallExpr *TheCall); |
| bool SemaBuiltinEHReturnDataRegNo(CallExpr *TheCall); |
| bool SemaCheckStringLiteral(const Expr *E, const CallExpr *TheCall, |
| bool HasVAListArg, unsigned format_idx, |
| unsigned firstDataArg); |
| void CheckPrintfString(const StringLiteral *FExpr, const Expr *OrigFormatExpr, |
| const CallExpr *TheCall, bool HasVAListArg, |
| unsigned format_idx, unsigned firstDataArg); |
| void CheckNonNullArguments(const NonNullAttr *NonNull, |
| const CallExpr *TheCall); |
| void CheckPrintfArguments(const CallExpr *TheCall, bool HasVAListArg, |
| unsigned format_idx, unsigned firstDataArg); |
| void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| SourceLocation ReturnLoc); |
| void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); |
| }; |
| |
| |
| //===--------------------------------------------------------------------===// |
| // Typed version of Parser::ExprArg (smart pointer for wrapping Expr pointers). |
| template <typename T> |
| class ExprOwningPtr : public Action::ExprArg { |
| public: |
| ExprOwningPtr(Sema *S, T *expr) : Action::ExprArg(*S, expr) {} |
| |
| void reset(T* p) { Action::ExprArg::operator=(p); } |
| T* get() const { return static_cast<T*>(Action::ExprArg::get()); } |
| T* take() { return static_cast<T*>(Action::ExprArg::take()); } |
| T* release() { return take(); } |
| |
| T& operator*() const { return *get(); } |
| T* operator->() const { return get(); } |
| }; |
| |
| } // end namespace clang |
| |
| #endif |