diff options
Diffstat (limited to 'include/clang/Sema/Sema.h')
| -rw-r--r-- | include/clang/Sema/Sema.h | 1325 |
1 files changed, 1020 insertions, 305 deletions
diff --git a/include/clang/Sema/Sema.h b/include/clang/Sema/Sema.h index 4741028..91d6914 100644 --- a/include/clang/Sema/Sema.h +++ b/include/clang/Sema/Sema.h @@ -20,9 +20,10 @@ #include "clang/Sema/IdentifierResolver.h" #include "clang/Sema/ObjCMethodList.h" #include "clang/Sema/DeclSpec.h" -#include "clang/AST/OperationKinds.h" +#include "clang/AST/Expr.h" #include "clang/AST/DeclarationName.h" #include "clang/AST/ExternalASTSource.h" +#include "clang/AST/TypeLoc.h" #include "clang/Basic/Specifiers.h" #include "clang/Basic/TemplateKinds.h" #include "clang/Basic/TypeTraits.h" @@ -62,6 +63,7 @@ namespace clang { class ClassTemplatePartialSpecializationDecl; class ClassTemplateSpecializationDecl; class CodeCompleteConsumer; + class CodeCompletionAllocator; class CodeCompletionResult; class Decl; class DeclAccessPair; @@ -78,7 +80,6 @@ namespace clang { class ExternalSemaSource; class FormatAttr; class FriendDecl; - class FullExpr; class FunctionDecl; class FunctionProtoType; class FunctionTemplateDecl; @@ -121,7 +122,6 @@ namespace clang { class TargetAttributesSema; class TemplateArgument; class TemplateArgumentList; - class TemplateArgumentListBuilder; class TemplateArgumentLoc; class TemplateDecl; class TemplateParameterList; @@ -129,6 +129,7 @@ namespace clang { class TemplateTemplateParmDecl; class Token; class TypedefDecl; + class TypeLoc; class UnqualifiedId; class UnresolvedLookupExpr; class UnresolvedMemberExpr; @@ -140,7 +141,8 @@ namespace clang { class VarDecl; class VisibilityAttr; class VisibleDeclConsumer; - + class IndirectFieldDecl; + namespace sema { class AccessedEntity; class BlockScopeInfo; @@ -165,7 +167,10 @@ class LocInfoType : public Type { TypeSourceInfo *DeclInfo; LocInfoType(QualType ty, TypeSourceInfo *TInfo) - : Type((TypeClass)LocInfo, ty, ty->isDependentType()), DeclInfo(TInfo) { + : Type((TypeClass)LocInfo, ty, ty->isDependentType(), + ty->isVariablyModifiedType(), + ty->containsUnexpandedParameterPack()), + DeclInfo(TInfo) { assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?"); } friend class Sema; @@ -183,6 +188,11 @@ public: static bool classof(const LocInfoType *) { return true; } }; +// FIXME: No way to easily map from TemplateTypeParmTypes to +// TemplateTypeParmDecls, so we have this horrible PointerUnion. +typedef std::pair<llvm::PointerUnion<const TemplateTypeParmType*, NamedDecl*>, + SourceLocation> UnexpandedParameterPack; + /// Sema - This implements semantic analysis and AST building for C. class Sema { Sema(const Sema&); // DO NOT IMPLEMENT @@ -194,12 +204,15 @@ public: typedef OpaquePtr<QualType> TypeTy; typedef Attr AttrTy; typedef CXXBaseSpecifier BaseTy; - typedef CXXBaseOrMemberInitializer MemInitTy; + typedef CXXCtorInitializer MemInitTy; typedef Expr ExprTy; typedef Stmt StmtTy; typedef TemplateParameterList TemplateParamsTy; typedef NestedNameSpecifier CXXScopeTy; + OpenCLOptions OpenCLFeatures; + FPOptions FPFeatures; + const LangOptions &LangOpts; Preprocessor &PP; ASTContext &Context; @@ -220,30 +233,6 @@ public: /// This is used as part of a hack to omit that class from ADL results. DeclarationName VAListTagName; - /// A RAII object to temporarily push a declaration context. - class ContextRAII { - private: - Sema &S; - DeclContext *SavedContext; - - public: - ContextRAII(Sema &S, DeclContext *ContextToPush) - : S(S), SavedContext(S.CurContext) { - assert(ContextToPush && "pushing null context"); - S.CurContext = ContextToPush; - } - - void pop() { - if (!SavedContext) return; - S.CurContext = SavedContext; - SavedContext = 0; - } - - ~ContextRAII() { - pop(); - } - }; - /// PackContext - Manages the stack for #pragma pack. An alignment /// of 0 indicates default alignment. void *PackContext; // Really a "PragmaPackStack*" @@ -312,14 +301,125 @@ public: /// and must warn if not used. Only contains the first declaration. llvm::SmallVector<const DeclaratorDecl*, 4> UnusedFileScopedDecls; - /// \brief The stack of diagnostics that were delayed due to being - /// produced during the parsing of a declaration. - llvm::SmallVector<sema::DelayedDiagnostic, 0> DelayedDiagnostics; + class DelayedDiagnostics; + + class ParsingDeclState { + unsigned SavedStackSize; + friend class Sema::DelayedDiagnostics; + }; + + class ProcessingContextState { + unsigned SavedParsingDepth; + unsigned SavedActiveStackBase; + friend class Sema::DelayedDiagnostics; + }; + + /// A class which encapsulates the logic for delaying diagnostics + /// during parsing and other processing. + class DelayedDiagnostics { + /// \brief The stack of diagnostics that were delayed due to being + /// produced during the parsing of a declaration. + sema::DelayedDiagnostic *Stack; + + /// \brief The number of objects on the delayed-diagnostics stack. + unsigned StackSize; + + /// \brief The current capacity of the delayed-diagnostics stack. + unsigned StackCapacity; + + /// \brief The index of the first "active" delayed diagnostic in + /// the stack. When parsing class definitions, we ignore active + /// delayed diagnostics from the surrounding context. + unsigned ActiveStackBase; + + /// \brief The depth of the declarations we're currently parsing. + /// This gets saved and reset whenever we enter a class definition. + unsigned ParsingDepth; + + public: + DelayedDiagnostics() : Stack(0), StackSize(0), StackCapacity(0), + ActiveStackBase(0), ParsingDepth(0) {} + + ~DelayedDiagnostics() { + delete[] reinterpret_cast<char*>(Stack); + } - /// \brief The depth of the current ParsingDeclaration stack. - /// If nonzero, we are currently parsing a declaration (and - /// hence should delay deprecation warnings). - unsigned ParsingDeclDepth; + /// Adds a delayed diagnostic. + void add(const sema::DelayedDiagnostic &diag); + + /// Determines whether diagnostics should be delayed. + bool shouldDelayDiagnostics() { return ParsingDepth > 0; } + + /// Observe that we've started parsing a declaration. Access and + /// deprecation diagnostics will be delayed; when the declaration + /// is completed, all active delayed diagnostics will be evaluated + /// in its context, and then active diagnostics stack will be + /// popped down to the saved depth. + ParsingDeclState pushParsingDecl() { + ParsingDepth++; + + ParsingDeclState state; + state.SavedStackSize = StackSize; + return state; + } + + /// Observe that we're completed parsing a declaration. + static void popParsingDecl(Sema &S, ParsingDeclState state, Decl *decl); + + /// Observe that we've started processing a different context, the + /// contents of which are semantically separate from the + /// declarations it may lexically appear in. This sets aside the + /// current stack of active diagnostics and starts afresh. + ProcessingContextState pushContext() { + assert(StackSize >= ActiveStackBase); + + ProcessingContextState state; + state.SavedParsingDepth = ParsingDepth; + state.SavedActiveStackBase = ActiveStackBase; + + ActiveStackBase = StackSize; + ParsingDepth = 0; + + return state; + } + + /// Observe that we've stopped processing a context. This + /// restores the previous stack of active diagnostics. + void popContext(ProcessingContextState state) { + assert(ActiveStackBase == StackSize); + assert(ParsingDepth == 0); + ActiveStackBase = state.SavedActiveStackBase; + ParsingDepth = state.SavedParsingDepth; + } + } DelayedDiagnostics; + + /// A RAII object to temporarily push a declaration context. + class ContextRAII { + private: + Sema &S; + DeclContext *SavedContext; + ProcessingContextState SavedContextState; + + public: + ContextRAII(Sema &S, DeclContext *ContextToPush) + : S(S), SavedContext(S.CurContext), + SavedContextState(S.DelayedDiagnostics.pushContext()) + { + assert(ContextToPush && "pushing null context"); + S.CurContext = ContextToPush; + } + + void pop() { + if (!SavedContext) return; + S.CurContext = SavedContext; + S.DelayedDiagnostics.popContext(SavedContextState); + SavedContext = 0; + } + + ~ContextRAII() { + pop(); + } + }; /// WeakUndeclaredIdentifiers - Identifiers contained in /// #pragma weak before declared. rare. may alias another @@ -365,6 +465,12 @@ public: /// standard library. LazyDeclPtr StdBadAlloc; + /// \brief The C++ "type_info" declaration, which is defined in <typeinfo>. + RecordDecl *CXXTypeInfoDecl; + + /// \brief The MSVC "_GUID" struct, which is defined in MSVC header files. + RecordDecl *MSVCGuidDecl; + /// A flag to remember whether the implicit forms of operator new and delete /// have been declared. bool GlobalNewDeleteDeclared; @@ -398,7 +504,17 @@ public: /// This evaluation context is used primary for the operand of the C++ /// \c typeid expression, whose argument is potentially evaluated only when /// it is an lvalue of polymorphic class type (C++ [basic.def.odr]p2). - PotentiallyPotentiallyEvaluated + PotentiallyPotentiallyEvaluated, + + /// \brief The current expression is potentially evaluated, but any + /// declarations referenced inside that expression are only used if + /// in fact the current expression is used. + /// + /// This value is used when parsing default function arguments, for which + /// we would like to provide diagnostics (e.g., passing non-POD arguments + /// through varargs) but do not want to mark declarations as "referenced" + /// until the default argument is used. + PotentiallyEvaluatedIfUsed }; /// \brief Data structure used to record current or nested @@ -468,6 +584,26 @@ public: /// \brief The number of SFINAE diagnostics that have been trapped. unsigned NumSFINAEErrors; + typedef llvm::DenseMap<ParmVarDecl *, llvm::SmallVector<ParmVarDecl *, 1> > + UnparsedDefaultArgInstantiationsMap; + + /// \brief A mapping from parameters with unparsed default arguments to the + /// set of instantiations of each parameter. + /// + /// This mapping is a temporary data structure used when parsing + /// nested class templates or nested classes of class templates, + /// where we might end up instantiating an inner class before the + /// default arguments of its methods have been parsed. + UnparsedDefaultArgInstantiationsMap UnparsedDefaultArgInstantiations; + + // Contains the locations of the beginning of unparsed default + // argument locations. + llvm::DenseMap<ParmVarDecl *,SourceLocation> UnparsedDefaultArgLocs; + + /// UndefinedInternals - all the used, undefined objects with + /// internal linkage in this translation unit. + llvm::DenseMap<NamedDecl*, SourceLocation> UndefinedInternals; + typedef std::pair<ObjCMethodList, ObjCMethodList> GlobalMethods; typedef llvm::DenseMap<Selector, GlobalMethods> GlobalMethodPool; @@ -481,7 +617,6 @@ public: /// of -Wselector. llvm::DenseMap<Selector, SourceLocation> ReferencedSelectors; - GlobalMethodPool::iterator ReadMethodPool(Selector Sel); /// Private Helper predicate to check for 'self'. @@ -497,6 +632,9 @@ public: void Initialize(); const LangOptions &getLangOptions() const { return LangOpts; } + OpenCLOptions &getOpenCLOptions() { return OpenCLFeatures; } + FPOptions &getFPOptions() { return FPFeatures; } + Diagnostic &getDiagnostics() const { return Diags; } SourceManager &getSourceManager() const { return SourceMgr; } const TargetAttributesSema &getTargetAttributesSema() const; @@ -580,16 +718,20 @@ public: SourceLocation AttrLoc); QualType BuildFunctionType(QualType T, QualType *ParamTypes, unsigned NumParamTypes, - bool Variadic, unsigned Quals, + bool Variadic, unsigned Quals, + RefQualifierKind RefQualifier, SourceLocation Loc, DeclarationName Entity, - const FunctionType::ExtInfo &Info); + FunctionType::ExtInfo Info); QualType BuildMemberPointerType(QualType T, QualType Class, SourceLocation Loc, DeclarationName Entity); QualType BuildBlockPointerType(QualType T, SourceLocation Loc, DeclarationName Entity); + QualType BuildParenType(QualType T); + TypeSourceInfo *GetTypeForDeclarator(Declarator &D, Scope *S, - TagDecl **OwnedDecl = 0); + TagDecl **OwnedDecl = 0, + bool AllowAutoInTypeName = false); TypeSourceInfo *GetTypeSourceInfoForDeclarator(Declarator &D, QualType T, TypeSourceInfo *ReturnTypeInfo); /// \brief Package the given type and TSI into a ParsedType. @@ -630,8 +772,8 @@ public: QualType getElaboratedType(ElaboratedTypeKeyword Keyword, const CXXScopeSpec &SS, QualType T); - QualType BuildTypeofExprType(Expr *E); - QualType BuildDecltypeType(Expr *E); + QualType BuildTypeofExprType(Expr *E, SourceLocation Loc); + QualType BuildDecltypeType(Expr *E, SourceLocation Loc); //===--------------------------------------------------------------------===// // Symbol table / Decl tracking callbacks: SemaDecl.cpp. @@ -644,6 +786,7 @@ public: ParsedType getTypeName(IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec *SS = 0, bool isClassName = false, + bool HasTrailingDot = false, ParsedType ObjectType = ParsedType()); TypeSpecifierType isTagName(IdentifierInfo &II, Scope *S); bool DiagnoseUnknownTypeName(const IdentifierInfo &II, @@ -674,18 +817,19 @@ public: bool &Redeclaration); void CheckVariableDeclaration(VarDecl *NewVD, LookupResult &Previous, bool &Redeclaration); + void CheckCompleteVariableDeclaration(VarDecl *var); NamedDecl* ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, QualType R, TypeSourceInfo *TInfo, LookupResult &Previous, MultiTemplateParamsArg TemplateParamLists, bool IsFunctionDefinition, bool &Redeclaration); - void AddOverriddenMethods(CXXRecordDecl *DC, CXXMethodDecl *MD); + bool AddOverriddenMethods(CXXRecordDecl *DC, CXXMethodDecl *MD); + void DiagnoseHiddenVirtualMethods(CXXRecordDecl *DC, CXXMethodDecl *MD); void CheckFunctionDeclaration(Scope *S, FunctionDecl *NewFD, LookupResult &Previous, bool IsExplicitSpecialization, - bool &Redeclaration, - bool &OverloadableAttrRequired); + bool &Redeclaration); void CheckMain(FunctionDecl *FD); Decl *ActOnParamDeclarator(Scope *S, Declarator &D); ParmVarDecl *BuildParmVarDeclForTypedef(DeclContext *DC, @@ -707,14 +851,9 @@ public: bool SetParamDefaultArgument(ParmVarDecl *Param, Expr *DefaultArg, SourceLocation EqualLoc); - - // Contains the locations of the beginning of unparsed default - // argument locations. - llvm::DenseMap<ParmVarDecl *,SourceLocation> UnparsedDefaultArgLocs; - - void AddInitializerToDecl(Decl *dcl, Expr *init); - void AddInitializerToDecl(Decl *dcl, Expr *init, bool DirectInit); - void ActOnUninitializedDecl(Decl *dcl, bool TypeContainsUndeducedAuto); + void AddInitializerToDecl(Decl *dcl, Expr *init, bool DirectInit, + bool TypeMayContainAuto); + void ActOnUninitializedDecl(Decl *dcl, bool TypeMayContainAuto); void ActOnInitializerError(Decl *Dcl); void SetDeclDeleted(Decl *dcl, SourceLocation DelLoc); DeclGroupPtrTy FinalizeDeclaratorGroup(Scope *S, const DeclSpec &DS, @@ -734,6 +873,14 @@ public: void DiagnoseUnusedParameters(ParmVarDecl * const *Begin, ParmVarDecl * const *End); + /// \brief Diagnose whether the size of parameters or return value of a + /// function or obj-c method definition is pass-by-value and larger than a + /// specified threshold. + void DiagnoseSizeOfParametersAndReturnValue(ParmVarDecl * const *Begin, + ParmVarDecl * const *End, + QualType ReturnTy, + NamedDecl *D); + void DiagnoseInvalidJumps(Stmt *Body); Decl *ActOnFileScopeAsmDecl(SourceLocation Loc, Expr *expr); @@ -745,11 +892,16 @@ public: /// no declarator (e.g. "struct foo;") is parsed. Decl *ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS, DeclSpec &DS); + + StmtResult ActOnVlaStmt(const DeclSpec &DS); Decl *BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS, AccessSpecifier AS, RecordDecl *Record); + Decl *BuildMicrosoftCAnonymousStruct(Scope *S, DeclSpec &DS, + RecordDecl *Record); + bool isAcceptableTagRedeclaration(const TagDecl *Previous, TagTypeKind NewTag, SourceLocation NewTagLoc, @@ -767,7 +919,15 @@ public: IdentifierInfo *Name, SourceLocation NameLoc, AttributeList *Attr, AccessSpecifier AS, MultiTemplateParamsArg TemplateParameterLists, - bool &OwnedDecl, bool &IsDependent); + bool &OwnedDecl, bool &IsDependent, bool ScopedEnum, + bool ScopedEnumUsesClassTag, TypeResult UnderlyingType); + + Decl *ActOnTemplatedFriendTag(Scope *S, SourceLocation FriendLoc, + unsigned TagSpec, SourceLocation TagLoc, + CXXScopeSpec &SS, + IdentifierInfo *Name, SourceLocation NameLoc, + AttributeList *Attr, + MultiTemplateParamsArg TempParamLists); TypeResult ActOnDependentTag(Scope *S, unsigned TagSpec, @@ -826,6 +986,7 @@ public: /// C++ record definition's base-specifiers clause and are starting its /// member declarations. void ActOnStartCXXMemberDeclarations(Scope *S, Decl *TagDecl, + ClassVirtSpecifiers &CVS, SourceLocation LBraceLoc); /// ActOnTagFinishDefinition - Invoked once we have finished parsing @@ -845,6 +1006,7 @@ public: Decl *ActOnEnumConstant(Scope *S, Decl *EnumDecl, Decl *LastEnumConstant, SourceLocation IdLoc, IdentifierInfo *Id, + AttributeList *Attrs, SourceLocation EqualLoc, Expr *Val); void ActOnEnumBody(SourceLocation EnumLoc, SourceLocation LBraceLoc, SourceLocation RBraceLoc, Decl *EnumDecl, @@ -897,6 +1059,7 @@ public: void MergeTypeDefDecl(TypedefDecl *New, LookupResult &OldDecls); bool MergeFunctionDecl(FunctionDecl *New, Decl *Old); bool MergeCompatibleFunctionDecls(FunctionDecl *New, FunctionDecl *Old); + void MergeVarDeclTypes(VarDecl *New, VarDecl *Old); void MergeVarDecl(VarDecl *New, LookupResult &OldDecls); bool MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); @@ -927,7 +1090,7 @@ public: Ovl_NonFunction }; OverloadKind CheckOverload(Scope *S, - FunctionDecl *New, + FunctionDecl *New, const LookupResult &OldDecls, NamedDecl *&OldDecl, bool IsForUsingDecl); @@ -938,7 +1101,8 @@ public: Expr *From, bool SuppressUserConversions, bool AllowExplicit, - bool InOverloadResolution); + bool InOverloadResolution, + bool CStyle); bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); bool IsFloatingPointPromotion(QualType FromType, QualType ToType); @@ -948,8 +1112,10 @@ public: QualType& ConvertedType, bool &IncompatibleObjC); bool isObjCPointerConversion(QualType FromType, QualType ToType, QualType& ConvertedType, bool &IncompatibleObjC); - bool FunctionArgTypesAreEqual (FunctionProtoType* OldType, - FunctionProtoType* NewType); + bool IsBlockPointerConversion(QualType FromType, QualType ToType, + QualType& ConvertedType); + bool FunctionArgTypesAreEqual(const FunctionProtoType *OldType, + const FunctionProtoType *NewType); bool CheckPointerConversion(Expr *From, QualType ToType, CastKind &Kind, @@ -962,10 +1128,16 @@ public: CastKind &Kind, CXXCastPath &BasePath, bool IgnoreBaseAccess); - bool IsQualificationConversion(QualType FromType, QualType ToType); + bool IsQualificationConversion(QualType FromType, QualType ToType, + bool CStyle); bool DiagnoseMultipleUserDefinedConversion(Expr *From, QualType ToType); + ExprResult PerformMoveOrCopyInitialization(const InitializedEntity &Entity, + const VarDecl *NRVOCandidate, + QualType ResultType, + Expr *Value); + ExprResult PerformCopyInitialization(const InitializedEntity &Entity, SourceLocation EqualLoc, ExprResult Init); @@ -1014,12 +1186,14 @@ public: bool SuppressUserConversions = false); void AddMethodCandidate(DeclAccessPair FoundDecl, QualType ObjectType, + Expr::Classification ObjectClassification, Expr **Args, unsigned NumArgs, OverloadCandidateSet& CandidateSet, bool SuppressUserConversion = false); void AddMethodCandidate(CXXMethodDecl *Method, DeclAccessPair FoundDecl, CXXRecordDecl *ActingContext, QualType ObjectType, + Expr::Classification ObjectClassification, Expr **Args, unsigned NumArgs, OverloadCandidateSet& CandidateSet, bool SuppressUserConversions = false); @@ -1028,6 +1202,7 @@ public: CXXRecordDecl *ActingContext, const TemplateArgumentListInfo *ExplicitTemplateArgs, QualType ObjectType, + Expr::Classification ObjectClassification, Expr **Args, unsigned NumArgs, OverloadCandidateSet& CandidateSet, bool SuppressUserConversions = false); @@ -1051,7 +1226,7 @@ public: DeclAccessPair FoundDecl, CXXRecordDecl *ActingContext, const FunctionProtoType *Proto, - QualType ObjectTy, Expr **Args, unsigned NumArgs, + Expr *Object, Expr **Args, unsigned NumArgs, OverloadCandidateSet& CandidateSet); void AddMemberOperatorCandidates(OverloadedOperatorKind Op, SourceLocation OpLoc, @@ -1074,12 +1249,28 @@ public: OverloadCandidateSet& CandidateSet, bool PartialOverloading = false); + // Emit as a 'note' the specific overload candidate void NoteOverloadCandidate(FunctionDecl *Fn); - - FunctionDecl *ResolveAddressOfOverloadedFunction(Expr *From, QualType ToType, + + // Emit as a series of 'note's all template and non-templates + // identified by the expression Expr + void NoteAllOverloadCandidates(Expr* E); + + // [PossiblyAFunctionType] --> [Return] + // NonFunctionType --> NonFunctionType + // R (A) --> R(A) + // R (*)(A) --> R (A) + // R (&)(A) --> R (A) + // R (S::*)(A) --> R (A) + QualType ExtractUnqualifiedFunctionType(QualType PossiblyAFunctionType); + + FunctionDecl *ResolveAddressOfOverloadedFunction(Expr *AddressOfExpr, QualType TargetType, bool Complain, DeclAccessPair &Found); - FunctionDecl *ResolveSingleFunctionTemplateSpecialization(Expr *From); + + FunctionDecl *ResolveSingleFunctionTemplateSpecialization(Expr *From, + bool Complain = false, + DeclAccessPair* Found = 0); Expr *FixOverloadedFunctionReference(Expr *E, DeclAccessPair FoundDecl, @@ -1097,8 +1288,8 @@ public: UnresolvedLookupExpr *ULE, SourceLocation LParenLoc, Expr **Args, unsigned NumArgs, - SourceLocation *CommaLocs, - SourceLocation RParenLoc); + SourceLocation RParenLoc, + Expr *ExecConfig); ExprResult CreateOverloadedUnaryOp(SourceLocation OpLoc, unsigned Opc, @@ -1117,12 +1308,10 @@ public: ExprResult BuildCallToMemberFunction(Scope *S, Expr *MemExpr, SourceLocation LParenLoc, Expr **Args, - unsigned NumArgs, SourceLocation *CommaLocs, - SourceLocation RParenLoc); + unsigned NumArgs, SourceLocation RParenLoc); ExprResult BuildCallToObjectOfClassType(Scope *S, Expr *Object, SourceLocation LParenLoc, Expr **Args, unsigned NumArgs, - SourceLocation *CommaLocs, SourceLocation RParenLoc); ExprResult BuildOverloadedArrowExpr(Scope *S, Expr *Base, @@ -1135,7 +1324,8 @@ public: CallExpr *CE, FunctionDecl *FD); /// Helpers for dealing with blocks and functions. - bool CheckParmsForFunctionDef(FunctionDecl *FD); + bool CheckParmsForFunctionDef(ParmVarDecl **Param, ParmVarDecl **ParamEnd, + bool CheckParameterNames); void CheckCXXDefaultArguments(FunctionDecl *FD); void CheckExtraCXXDefaultArguments(Declarator &D); Scope *getNonFieldDeclScope(Scope *S); @@ -1176,13 +1366,14 @@ public: /// Tag name lookup, which finds the names of enums, classes, /// structs, and unions. LookupTagName, + /// Label name lookup. + LookupLabel, /// 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. + /// 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, object, @@ -1245,6 +1436,9 @@ public: QualType T1, QualType T2, UnresolvedSetImpl &Functions); + LabelDecl *LookupOrCreateLabel(IdentifierInfo *II, SourceLocation Loc, + bool isLocalLabel = false); + DeclContextLookupResult LookupConstructors(CXXRecordDecl *Class); CXXDestructorDecl *LookupDestructor(CXXRecordDecl *Class); @@ -1277,6 +1471,10 @@ public: CTC_CXXCasts, /// \brief A member lookup context. CTC_MemberLookup, + /// \brief An Objective-C ivar lookup context (e.g., self->ivar). + CTC_ObjCIvarLookup, + /// \brief An Objective-C property lookup context (e.g., self.prop). + CTC_ObjCPropertyLookup, /// \brief The receiver of an Objective-C message send within an /// Objective-C method where 'super' is a valid keyword. CTC_ObjCMessageReceiver @@ -1308,8 +1506,14 @@ public: // 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 *AL); + void ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD, + bool NonInheritable = true, bool Inheritable = true); + void ProcessDeclAttributeList(Scope *S, Decl *D, const AttributeList *AL, + bool NonInheritable = true, bool Inheritable = true); + + bool CheckRegparmAttr(const AttributeList &attr, unsigned &value); + bool CheckCallingConvAttr(const AttributeList &attr, CallingConv &CC); + bool CheckNoReturnAttr(const AttributeList &attr); void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, bool &IncompleteImpl, unsigned DiagID); @@ -1338,6 +1542,14 @@ public: ObjCIvarDecl **Fields, unsigned nIvars, SourceLocation Loc); + /// \brief Determine whether we can synthesize a provisional ivar for the + /// given name. + ObjCPropertyDecl *canSynthesizeProvisionalIvar(IdentifierInfo *II); + + /// \brief Determine whether we can synthesize a provisional ivar for the + /// given property. + bool canSynthesizeProvisionalIvar(ObjCPropertyDecl *Property); + /// ImplMethodsVsClassMethods - This is main routine to warn if any method /// remains unimplemented in the class or category @implementation. void ImplMethodsVsClassMethods(Scope *S, ObjCImplDecl* IMPDecl, @@ -1484,7 +1696,7 @@ public: // FIXME: The const_cast here is ugly. RValue references would make this // much nicer (or we could duplicate a bunch of the move semantics // emulation code from Ownership.h). - FullExprArg(const FullExprArg& Other): E(Other.E) {} + FullExprArg(const FullExprArg& Other) : E(Other.E) {} ExprResult release() { return move(E); @@ -1498,7 +1710,7 @@ public: private: // FIXME: No need to make the entire Sema class a friend when it's just - // Sema::FullExpr that needs access to the constructor below. + // Sema::MakeFullExpr that needs access to the constructor below. friend class Sema; explicit FullExprArg(Expr *expr) : E(expr) {} @@ -1512,7 +1724,8 @@ public: StmtResult ActOnExprStmt(FullExprArg Expr); - StmtResult ActOnNullStmt(SourceLocation SemiLoc); + StmtResult ActOnNullStmt(SourceLocation SemiLoc, + bool LeadingEmptyMacro = false); StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, MultiStmtArg Elts, bool isStmtExpr); @@ -1520,6 +1733,7 @@ public: SourceLocation StartLoc, SourceLocation EndLoc); void ActOnForEachDeclStmt(DeclGroupPtrTy Decl); + StmtResult ActOnForEachLValueExpr(Expr *E); StmtResult ActOnCaseStmt(SourceLocation CaseLoc, Expr *LHSVal, SourceLocation DotDotDotLoc, Expr *RHSVal, SourceLocation ColonLoc); @@ -1528,22 +1742,21 @@ public: StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, SourceLocation ColonLoc, Stmt *SubStmt, Scope *CurScope); - StmtResult ActOnLabelStmt(SourceLocation IdentLoc, - IdentifierInfo *II, - SourceLocation ColonLoc, - Stmt *SubStmt); + StmtResult ActOnLabelStmt(SourceLocation IdentLoc, LabelDecl *TheDecl, + SourceLocation ColonLoc, Stmt *SubStmt); + StmtResult ActOnIfStmt(SourceLocation IfLoc, - FullExprArg CondVal, Decl *CondVar, - Stmt *ThenVal, - SourceLocation ElseLoc, Stmt *ElseVal); + FullExprArg CondVal, Decl *CondVar, + Stmt *ThenVal, + SourceLocation ElseLoc, Stmt *ElseVal); StmtResult ActOnStartOfSwitchStmt(SourceLocation SwitchLoc, Expr *Cond, Decl *CondVar); StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, Stmt *Switch, Stmt *Body); StmtResult ActOnWhileStmt(SourceLocation WhileLoc, - FullExprArg Cond, - Decl *CondVar, Stmt *Body); + FullExprArg Cond, + Decl *CondVar, Stmt *Body); StmtResult ActOnDoStmt(SourceLocation DoLoc, Stmt *Body, SourceLocation WhileLoc, SourceLocation CondLParen, Expr *Cond, @@ -1563,13 +1776,16 @@ public: StmtResult ActOnGotoStmt(SourceLocation GotoLoc, SourceLocation LabelLoc, - IdentifierInfo *LabelII); + LabelDecl *TheDecl); StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, SourceLocation StarLoc, Expr *DestExp); StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, Scope *CurScope); StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); + const VarDecl *getCopyElisionCandidate(QualType ReturnType, Expr *E, + bool AllowFunctionParameters); + StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); StmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); @@ -1606,11 +1822,10 @@ public: Expr *SynchExpr, Stmt *SynchBody); - VarDecl *BuildExceptionDeclaration(Scope *S, QualType ExDeclType, + VarDecl *BuildExceptionDeclaration(Scope *S, TypeSourceInfo *TInfo, IdentifierInfo *Name, - SourceLocation Loc, - SourceRange Range); + SourceLocation Loc); Decl *ActOnExceptionDeclarator(Scope *S, Declarator &D); StmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc, @@ -1630,18 +1845,31 @@ public: void DiagnoseUnusedExprResult(const Stmt *S); void DiagnoseUnusedDecl(const NamedDecl *ND); - typedef uintptr_t ParsingDeclStackState; + ParsingDeclState PushParsingDeclaration() { + return DelayedDiagnostics.pushParsingDecl(); + } + void PopParsingDeclaration(ParsingDeclState state, Decl *decl) { + DelayedDiagnostics::popParsingDecl(*this, state, decl); + } + + typedef ProcessingContextState ParsingClassState; + ParsingClassState PushParsingClass() { + return DelayedDiagnostics.pushContext(); + } + void PopParsingClass(ParsingClassState state) { + DelayedDiagnostics.popContext(state); + } - ParsingDeclStackState PushParsingDeclaration(); - void PopParsingDeclaration(ParsingDeclStackState S, Decl *D); - void EmitDeprecationWarning(NamedDecl *D, SourceLocation Loc); + void EmitDeprecationWarning(NamedDecl *D, llvm::StringRef Message, + SourceLocation Loc, bool UnknownObjCClass=false); void HandleDelayedDeprecationCheck(sema::DelayedDiagnostic &DD, Decl *Ctx); //===--------------------------------------------------------------------===// // Expression Parsing Callbacks: SemaExpr.cpp. - bool DiagnoseUseOfDecl(NamedDecl *D, SourceLocation Loc); + bool DiagnoseUseOfDecl(NamedDecl *D, SourceLocation Loc, + bool UnknownObjCClass=false); bool DiagnosePropertyAccessorMismatch(ObjCPropertyDecl *PD, ObjCMethodDecl *Getter, SourceLocation Loc); @@ -1654,6 +1882,7 @@ public: void MarkDeclarationReferenced(SourceLocation Loc, Decl *D); void MarkDeclarationsReferencedInType(SourceLocation Loc, QualType T); + void MarkDeclarationsReferencedInExpr(Expr *E); bool DiagRuntimeBehavior(SourceLocation Loc, const PartialDiagnostic &PD); // Primary Expressions. @@ -1674,18 +1903,19 @@ public: const TemplateArgumentListInfo *TemplateArgs); ExprResult BuildDeclRefExpr(ValueDecl *D, QualType Ty, + ExprValueKind VK, SourceLocation Loc, const CXXScopeSpec *SS = 0); ExprResult BuildDeclRefExpr(ValueDecl *D, QualType Ty, + ExprValueKind VK, const DeclarationNameInfo &NameInfo, const CXXScopeSpec *SS = 0); - VarDecl *BuildAnonymousStructUnionMemberPath(FieldDecl *Field, - llvm::SmallVectorImpl<FieldDecl *> &Path); ExprResult - BuildAnonymousStructUnionMemberReference(SourceLocation Loc, - FieldDecl *Field, - Expr *BaseObjectExpr = 0, - SourceLocation OpLoc = SourceLocation()); + BuildAnonymousStructUnionMemberReference(const CXXScopeSpec &SS, + SourceLocation nameLoc, + IndirectFieldDecl *indirectField, + Expr *baseObjectExpr = 0, + SourceLocation opLoc = SourceLocation()); ExprResult BuildPossibleImplicitMemberExpr(const CXXScopeSpec &SS, LookupResult &R, const TemplateArgumentListInfo *TemplateArgs); @@ -1724,7 +1954,7 @@ public: ExprResult ActOnStringLiteral(const Token *Toks, unsigned NumToks); // Binary/Unary Operators. 'Tok' is the token for the operator. - ExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, unsigned OpcIn, + ExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, Expr *InputArg); ExprResult BuildUnaryOp(Scope *S, SourceLocation OpLoc, UnaryOperatorKind Opc, Expr *input); @@ -1740,10 +1970,15 @@ public: 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); + ExprResult CheckPlaceholderExpr(Expr *E, SourceLocation Loc); + bool CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc, + SourceRange R, bool isSizeof); + ExprResult ActOnSizeofParameterPackExpr(Scope *S, + SourceLocation OpLoc, + IdentifierInfo &Name, + SourceLocation NameLoc, + SourceLocation RParenLoc); ExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, tok::TokenKind Kind, Expr *Input); @@ -1803,12 +2038,16 @@ public: /// This provides the location of the left/right parens and a list of comma /// locations. ExprResult ActOnCallExpr(Scope *S, Expr *Fn, SourceLocation LParenLoc, - MultiExprArg Args, SourceLocation *CommaLocs, - SourceLocation RParenLoc); + MultiExprArg Args, SourceLocation RParenLoc, + Expr *ExecConfig = 0); ExprResult BuildResolvedCallExpr(Expr *Fn, NamedDecl *NDecl, SourceLocation LParenLoc, Expr **Args, unsigned NumArgs, - SourceLocation RParenLoc); + SourceLocation RParenLoc, + Expr *ExecConfig = 0); + + ExprResult ActOnCUDAExecConfigExpr(Scope *S, SourceLocation LLLLoc, + MultiExprArg ExecConfig, SourceLocation GGGLoc); ExprResult ActOnCastExpr(Scope *S, SourceLocation LParenLoc, ParsedType Ty, SourceLocation RParenLoc, @@ -1851,7 +2090,7 @@ public: ExprResult BuildBinOp(Scope *S, SourceLocation OpLoc, BinaryOperatorKind Opc, Expr *lhs, Expr *rhs); ExprResult CreateBuiltinBinOp(SourceLocation TokLoc, - unsigned Opc, Expr *lhs, Expr *rhs); + BinaryOperatorKind 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. @@ -1860,10 +2099,9 @@ public: Expr *Cond, Expr *LHS, Expr *RHS); /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". - ExprResult ActOnAddrLabel(SourceLocation OpLoc, - SourceLocation LabLoc, - IdentifierInfo *LabelII); - + ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, + LabelDecl *LD); + ExprResult ActOnStmtExpr(SourceLocation LPLoc, Stmt *SubStmt, SourceLocation RPLoc); // "({..})" @@ -1891,16 +2129,6 @@ public: unsigned NumComponents, SourceLocation RParenLoc); - // __builtin_types_compatible_p(type1, type2) - ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, - ParsedType arg1, - ParsedType arg2, - SourceLocation RPLoc); - ExprResult BuildTypesCompatibleExpr(SourceLocation BuiltinLoc, - TypeSourceInfo *argTInfo1, - TypeSourceInfo *argTInfo2, - SourceLocation RPLoc); - // __builtin_choose_expr(constExpr, expr1, expr2) ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, Expr *cond, Expr *expr1, @@ -1993,6 +2221,8 @@ public: bool IsTypeName, SourceLocation TypenameLoc); + bool CheckInheritedConstructorUsingDecl(UsingDecl *UD); + Decl *ActOnUsingDeclaration(Scope *CurScope, AccessSpecifier AS, bool HasUsingKeyword, @@ -2009,8 +2239,8 @@ public: void AddCXXDirectInitializerToDecl(Decl *Dcl, SourceLocation LParenLoc, MultiExprArg Exprs, - SourceLocation *CommaLocs, - SourceLocation RParenLoc); + SourceLocation RParenLoc, + bool TypeMayContainAuto); /// InitializeVarWithConstructor - Creates an CXXConstructExpr /// and sets it as the initializer for the the passed in VarDecl. @@ -2025,7 +2255,8 @@ public: ExprResult BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, CXXConstructorDecl *Constructor, MultiExprArg Exprs, - bool RequiresZeroInit, unsigned ConstructKind); + bool RequiresZeroInit, unsigned ConstructKind, + SourceRange ParenRange); // FIXME: Can re remove this and have the above BuildCXXConstructExpr check if // the constructor can be elidable? @@ -2033,7 +2264,8 @@ public: BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, CXXConstructorDecl *Constructor, bool Elidable, MultiExprArg Exprs, bool RequiresZeroInit, - unsigned ConstructKind); + unsigned ConstructKind, + SourceRange ParenRange); /// BuildCXXDefaultArgExpr - Creates a CXXDefaultArgExpr, instantiating /// the default expr if needed. @@ -2072,6 +2304,12 @@ public: void DefineImplicitDestructor(SourceLocation CurrentLocation, CXXDestructorDecl *Destructor); + /// \brief Declare all inherited constructors for the given class. + /// + /// \param ClassDecl The class declaration into which the inherited + /// constructors will be added. + void DeclareInheritedConstructors(CXXRecordDecl *ClassDecl); + /// \brief Declare the implicit copy constructor for the given class. /// /// \param S The scope of the class, which may be NULL if this is a @@ -2156,8 +2394,29 @@ public: void *TyOrExpr, SourceLocation RParenLoc); + ExprResult BuildCXXUuidof(QualType TypeInfoType, + SourceLocation TypeidLoc, + TypeSourceInfo *Operand, + SourceLocation RParenLoc); + ExprResult BuildCXXUuidof(QualType TypeInfoType, + SourceLocation TypeidLoc, + Expr *Operand, + SourceLocation RParenLoc); + + /// ActOnCXXUuidof - Parse __uuidof( something ). + ExprResult ActOnCXXUuidof(SourceLocation OpLoc, + SourceLocation LParenLoc, bool isType, + void *TyOrExpr, + SourceLocation RParenLoc); + + //// ActOnCXXThis - Parse 'this' pointer. - ExprResult ActOnCXXThis(SourceLocation ThisLoc); + ExprResult ActOnCXXThis(SourceLocation loc); + + /// tryCaptureCXXThis - Try to capture a 'this' pointer. Returns a + /// pointer to an instance method whose 'this' pointer is + /// capturable, or null if this is not possible. + CXXMethodDecl *tryCaptureCXXThis(); /// ActOnCXXBoolLiteral - Parse {true,false} literals. ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind); @@ -2173,11 +2432,14 @@ public: /// 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()"). - ExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange, - ParsedType TypeRep, + ExprResult ActOnCXXTypeConstructExpr(ParsedType TypeRep, + SourceLocation LParenLoc, + MultiExprArg Exprs, + SourceLocation RParenLoc); + + ExprResult BuildCXXTypeConstructExpr(TypeSourceInfo *Type, SourceLocation LParenLoc, MultiExprArg Exprs, - SourceLocation *CommaLocs, SourceLocation RParenLoc); /// ActOnCXXNew - Parsed a C++ 'new' expression. @@ -2195,12 +2457,12 @@ public: SourceLocation PlacementRParen, SourceRange TypeIdParens, QualType AllocType, - SourceLocation TypeLoc, - SourceRange TypeRange, + TypeSourceInfo *AllocTypeInfo, Expr *ArraySize, SourceLocation ConstructorLParen, MultiExprArg ConstructorArgs, - SourceLocation ConstructorRParen); + SourceLocation ConstructorRParen, + bool TypeMayContainAuto = true); bool CheckAllocatedType(QualType AllocType, SourceLocation Loc, SourceRange R); @@ -2231,14 +2493,37 @@ public: SourceLocation StmtLoc, bool ConvertToBoolean); + ExprResult ActOnNoexceptExpr(SourceLocation KeyLoc, SourceLocation LParen, + Expr *Operand, SourceLocation RParen); + ExprResult BuildCXXNoexceptExpr(SourceLocation KeyLoc, Expr *Operand, + SourceLocation RParen); + /// ActOnUnaryTypeTrait - Parsed one of the unary type trait support /// pseudo-functions. ExprResult ActOnUnaryTypeTrait(UnaryTypeTrait OTT, SourceLocation KWLoc, - SourceLocation LParen, ParsedType Ty, SourceLocation RParen); + ExprResult BuildUnaryTypeTrait(UnaryTypeTrait OTT, + SourceLocation KWLoc, + TypeSourceInfo *T, + SourceLocation RParen); + + /// ActOnBinaryTypeTrait - Parsed one of the bianry type trait support + /// pseudo-functions. + ExprResult ActOnBinaryTypeTrait(BinaryTypeTrait OTT, + SourceLocation KWLoc, + ParsedType LhsTy, + ParsedType RhsTy, + SourceLocation RParen); + + ExprResult BuildBinaryTypeTrait(BinaryTypeTrait BTT, + SourceLocation KWLoc, + TypeSourceInfo *LhsT, + TypeSourceInfo *RhsT, + SourceLocation RParen); + ExprResult ActOnStartCXXMemberReference(Scope *S, Expr *Base, SourceLocation OpLoc, @@ -2268,14 +2553,15 @@ public: UnqualifiedId &SecondTypeName, bool HasTrailingLParen); - /// 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); - ExprResult MaybeCreateCXXExprWithTemporaries(ExprResult SubExpr); - FullExpr CreateFullExpr(Expr *SubExpr); + /// MaybeCreateExprWithCleanups - If the current full-expression + /// requires any cleanups, surround it with a ExprWithCleanups node. + /// Otherwise, just returns the passed-in expression. + Expr *MaybeCreateExprWithCleanups(Expr *SubExpr); + Stmt *MaybeCreateStmtWithCleanups(Stmt *SubStmt); + ExprResult MaybeCreateExprWithCleanups(ExprResult SubExpr); ExprResult ActOnFinishFullExpr(Expr *Expr); + StmtResult ActOnFinishFullStmt(Stmt *Stmt); // Marks SS invalid if it represents an incomplete type. bool RequireCompleteDeclContext(CXXScopeSpec &SS, DeclContext *DC); @@ -2373,9 +2659,8 @@ public: Expr *BuildObjCEncodeExpression(SourceLocation AtLoc, TypeSourceInfo *EncodedTypeInfo, SourceLocation RParenLoc); - CXXMemberCallExpr *BuildCXXMemberCallExpr(Expr *Exp, - NamedDecl *FoundDecl, - CXXMethodDecl *Method); + ExprResult BuildCXXMemberCallExpr(Expr *Exp, NamedDecl *FoundDecl, + CXXMethodDecl *Method); ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, SourceLocation EncodeLoc, @@ -2423,7 +2708,7 @@ public: Decl *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, Declarator &D, MultiTemplateParamsArg TemplateParameterLists, - Expr *BitfieldWidth, + Expr *BitfieldWidth, const VirtSpecifiers &VS, Expr *Init, bool IsDefinition, bool Deleted = false); @@ -2435,10 +2720,10 @@ public: SourceLocation IdLoc, SourceLocation LParenLoc, Expr **Args, unsigned NumArgs, - SourceLocation *CommaLocs, - SourceLocation RParenLoc); + SourceLocation RParenLoc, + SourceLocation EllipsisLoc); - MemInitResult BuildMemberInitializer(FieldDecl *Member, Expr **Args, + MemInitResult BuildMemberInitializer(ValueDecl *Member, Expr **Args, unsigned NumArgs, SourceLocation IdLoc, SourceLocation LParenLoc, SourceLocation RParenLoc); @@ -2448,11 +2733,19 @@ public: Expr **Args, unsigned NumArgs, SourceLocation LParenLoc, SourceLocation RParenLoc, - CXXRecordDecl *ClassDecl); - - bool SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor, - CXXBaseOrMemberInitializer **Initializers, - unsigned NumInitializers, bool AnyErrors); + CXXRecordDecl *ClassDecl, + SourceLocation EllipsisLoc); + + MemInitResult BuildDelegatingInitializer(TypeSourceInfo *TInfo, + Expr **Args, unsigned NumArgs, + SourceLocation RParenLoc, + SourceLocation LParenLoc, + CXXRecordDecl *ClassDecl, + SourceLocation EllipsisLoc); + + bool SetCtorInitializers(CXXConstructorDecl *Constructor, + CXXCtorInitializer **Initializers, + unsigned NumInitializers, bool AnyErrors); void SetIvarInitializers(ObjCImplementationDecl *ObjCImplementation); @@ -2466,8 +2759,11 @@ public: /// \brief The list of classes whose vtables have been used within /// this translation unit, and the source locations at which the /// first use occurred. - llvm::SmallVector<std::pair<CXXRecordDecl *, SourceLocation>, 16> - VTableUses; + typedef std::pair<CXXRecordDecl*, SourceLocation> VTableUse; + + /// \brief The list of vtables that are required but have not yet been + /// materialized. + llvm::SmallVector<VTableUse, 16> VTableUses; /// \brief The set of classes whose vtables have been used within /// this translation unit, and a bit that will be true if the vtable is @@ -2546,20 +2842,15 @@ public: CXXBaseSpecifier *CheckBaseSpecifier(CXXRecordDecl *Class, SourceRange SpecifierRange, bool Virtual, AccessSpecifier Access, - TypeSourceInfo *TInfo); - - /// SetClassDeclAttributesFromBase - Copies class decl traits - /// (such as whether the class has a trivial constructor, - /// trivial destructor etc) from the given base class. - void SetClassDeclAttributesFromBase(CXXRecordDecl *Class, - const CXXRecordDecl *BaseClass, - bool BaseIsVirtual); + TypeSourceInfo *TInfo, + SourceLocation EllipsisLoc); BaseResult ActOnBaseSpecifier(Decl *classdecl, SourceRange SpecifierRange, bool Virtual, AccessSpecifier Access, - ParsedType basetype, SourceLocation - BaseLoc); + ParsedType basetype, + SourceLocation BaseLoc, + SourceLocation EllipsisLoc); bool AttachBaseSpecifiers(CXXRecordDecl *Class, CXXBaseSpecifier **Bases, unsigned NumBases); @@ -2596,13 +2887,18 @@ public: bool CheckOverridingFunctionExceptionSpec(const CXXMethodDecl *New, const CXXMethodDecl *Old); - /// CheckOverridingFunctionAttributes - Checks whether attributes are - /// incompatible or prevent overriding. - bool CheckOverridingFunctionAttributes(const CXXMethodDecl *New, - const CXXMethodDecl *Old); - bool CheckPureMethod(CXXMethodDecl *Method, SourceRange InitRange); + /// CheckOverrideControl - Check C++0x override control semantics. + void CheckOverrideControl(const Decl *D); + + /// CheckForFunctionMarkedFinal - Checks whether a virtual member function + /// overrides a virtual member function marked 'final', according to + /// C++0x [class.virtual]p3. + bool CheckIfOverriddenFunctionIsMarkedFinal(const CXXMethodDecl *New, + const CXXMethodDecl *Old); + + //===--------------------------------------------------------------------===// // C++ Access Control // @@ -2661,6 +2957,10 @@ public: /// A flag to suppress access checking. bool SuppressAccessChecking; + /// \brief When true, access checking violations are treated as SFINAE + /// failures rather than hard errors. + bool AccessCheckingSFINAE; + void ActOnStartSuppressingAccessChecks(); void ActOnStopSuppressingAccessChecks(); @@ -2732,12 +3032,13 @@ public: Decl *ActOnTemplateTemplateParameter(Scope *S, SourceLocation TmpLoc, TemplateParamsTy *Params, + SourceLocation EllipsisLoc, IdentifierInfo *ParamName, SourceLocation ParamNameLoc, unsigned Depth, unsigned Position, SourceLocation EqualLoc, - const ParsedTemplateArgument &DefaultArg); + ParsedTemplateArgument DefaultArg); TemplateParamsTy * ActOnTemplateParameterList(unsigned Depth, @@ -2753,7 +3054,8 @@ public: TPC_ClassTemplate, TPC_FunctionTemplate, TPC_ClassTemplateMember, - TPC_FriendFunctionTemplate + TPC_FriendFunctionTemplate, + TPC_FriendFunctionTemplateDefinition }; bool CheckTemplateParameterList(TemplateParameterList *NewParams, @@ -2788,10 +3090,11 @@ public: ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc); - TypeResult ActOnTagTemplateIdType(TypeResult Type, - TagUseKind TUK, - TypeSpecifierType TagSpec, - SourceLocation TagLoc); + TypeResult ActOnTagTemplateIdType(CXXScopeSpec &SS, + TypeResult Type, + TagUseKind TUK, + TypeSpecifierType TagSpec, + SourceLocation TagLoc); ExprResult BuildTemplateIdExpr(const CXXScopeSpec &SS, LookupResult &R, @@ -2809,11 +3112,6 @@ public: bool EnteringContext, TemplateTy &Template); - bool CheckClassTemplatePartialSpecializationArgs( - TemplateParameterList *TemplateParams, - const TemplateArgumentListBuilder &TemplateArgs, - bool &MirrorsPrimaryTemplate); - DeclResult ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, @@ -2886,7 +3184,7 @@ public: SourceLocation TemplateLoc, SourceLocation RAngleLoc, Decl *Param, - TemplateArgumentListBuilder &Converted); + llvm::SmallVectorImpl<TemplateArgument> &Converted); /// \brief Specifies the context in which a particular template /// argument is being checked. @@ -2906,21 +3204,22 @@ public: bool CheckTemplateArgument(NamedDecl *Param, const TemplateArgumentLoc &Arg, - TemplateDecl *Template, + NamedDecl *Template, SourceLocation TemplateLoc, SourceLocation RAngleLoc, - TemplateArgumentListBuilder &Converted, + unsigned ArgumentPackIndex, + llvm::SmallVectorImpl<TemplateArgument> &Converted, CheckTemplateArgumentKind CTAK = CTAK_Specified); bool CheckTemplateArgumentList(TemplateDecl *Template, SourceLocation TemplateLoc, const TemplateArgumentListInfo &TemplateArgs, bool PartialTemplateArgs, - TemplateArgumentListBuilder &Converted); + llvm::SmallVectorImpl<TemplateArgument> &Converted); bool CheckTemplateTypeArgument(TemplateTypeParmDecl *Param, const TemplateArgumentLoc &Arg, - TemplateArgumentListBuilder &Converted); + llvm::SmallVectorImpl<TemplateArgument> &Converted); bool CheckTemplateArgument(TemplateTypeParmDecl *Param, TypeSourceInfo *Arg); @@ -3034,6 +3333,289 @@ public: const TemplateArgument *Args, unsigned NumArgs); + //===--------------------------------------------------------------------===// + // C++ Variadic Templates (C++0x [temp.variadic]) + //===--------------------------------------------------------------------===// + + /// \brief The context in which an unexpanded parameter pack is + /// being diagnosed. + /// + /// Note that the values of this enumeration line up with the first + /// argument to the \c err_unexpanded_parameter_pack diagnostic. + enum UnexpandedParameterPackContext { + /// \brief An arbitrary expression. + UPPC_Expression = 0, + + /// \brief The base type of a class type. + UPPC_BaseType, + + /// \brief The type of an arbitrary declaration. + UPPC_DeclarationType, + + /// \brief The type of a data member. + UPPC_DataMemberType, + + /// \brief The size of a bit-field. + UPPC_BitFieldWidth, + + /// \brief The expression in a static assertion. + UPPC_StaticAssertExpression, + + /// \brief The fixed underlying type of an enumeration. + UPPC_FixedUnderlyingType, + + /// \brief The enumerator value. + UPPC_EnumeratorValue, + + /// \brief A using declaration. + UPPC_UsingDeclaration, + + /// \brief A friend declaration. + UPPC_FriendDeclaration, + + /// \brief A declaration qualifier. + UPPC_DeclarationQualifier, + + /// \brief An initializer. + UPPC_Initializer, + + /// \brief A default argument. + UPPC_DefaultArgument, + + /// \brief The type of a non-type template parameter. + UPPC_NonTypeTemplateParameterType, + + /// \brief The type of an exception. + UPPC_ExceptionType, + + /// \brief Partial specialization. + UPPC_PartialSpecialization + }; + + /// \brief If the given type contains an unexpanded parameter pack, + /// diagnose the error. + /// + /// \param Loc The source location where a diagnostc should be emitted. + /// + /// \param T The type that is being checked for unexpanded parameter + /// packs. + /// + /// \returns true if an error ocurred, false otherwise. + bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TypeSourceInfo *T, + UnexpandedParameterPackContext UPPC); + + /// \brief If the given expression contains an unexpanded parameter + /// pack, diagnose the error. + /// + /// \param E The expression that is being checked for unexpanded + /// parameter packs. + /// + /// \returns true if an error ocurred, false otherwise. + bool DiagnoseUnexpandedParameterPack(Expr *E, + UnexpandedParameterPackContext UPPC = UPPC_Expression); + + /// \brief If the given nested-name-specifier contains an unexpanded + /// parameter pack, diagnose the error. + /// + /// \param SS The nested-name-specifier that is being checked for + /// unexpanded parameter packs. + /// + /// \returns true if an error ocurred, false otherwise. + bool DiagnoseUnexpandedParameterPack(const CXXScopeSpec &SS, + UnexpandedParameterPackContext UPPC); + + /// \brief If the given name contains an unexpanded parameter pack, + /// diagnose the error. + /// + /// \param NameInfo The name (with source location information) that + /// is being checked for unexpanded parameter packs. + /// + /// \returns true if an error ocurred, false otherwise. + bool DiagnoseUnexpandedParameterPack(const DeclarationNameInfo &NameInfo, + UnexpandedParameterPackContext UPPC); + + /// \brief If the given template name contains an unexpanded parameter pack, + /// diagnose the error. + /// + /// \param Loc The location of the template name. + /// + /// \param Template The template name that is being checked for unexpanded + /// parameter packs. + /// + /// \returns true if an error ocurred, false otherwise. + bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, + TemplateName Template, + UnexpandedParameterPackContext UPPC); + + /// \brief If the given template argument contains an unexpanded parameter + /// pack, diagnose the error. + /// + /// \param Arg The template argument that is being checked for unexpanded + /// parameter packs. + /// + /// \returns true if an error ocurred, false otherwise. + bool DiagnoseUnexpandedParameterPack(TemplateArgumentLoc Arg, + UnexpandedParameterPackContext UPPC); + + /// \brief Collect the set of unexpanded parameter packs within the given + /// template argument. + /// + /// \param Arg The template argument that will be traversed to find + /// unexpanded parameter packs. + void collectUnexpandedParameterPacks(TemplateArgument Arg, + llvm::SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); + + /// \brief Collect the set of unexpanded parameter packs within the given + /// template argument. + /// + /// \param Arg The template argument that will be traversed to find + /// unexpanded parameter packs. + void collectUnexpandedParameterPacks(TemplateArgumentLoc Arg, + llvm::SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); + + /// \brief Collect the set of unexpanded parameter packs within the given + /// type. + /// + /// \param T The type that will be traversed to find + /// unexpanded parameter packs. + void collectUnexpandedParameterPacks(QualType T, + llvm::SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); + + /// \brief Collect the set of unexpanded parameter packs within the given + /// type. + /// + /// \param TL The type that will be traversed to find + /// unexpanded parameter packs. + void collectUnexpandedParameterPacks(TypeLoc TL, + llvm::SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); + + /// \brief Invoked when parsing a template argument followed by an + /// ellipsis, which creates a pack expansion. + /// + /// \param Arg The template argument preceding the ellipsis, which + /// may already be invalid. + /// + /// \param EllipsisLoc The location of the ellipsis. + ParsedTemplateArgument ActOnPackExpansion(const ParsedTemplateArgument &Arg, + SourceLocation EllipsisLoc); + + /// \brief Invoked when parsing a type followed by an ellipsis, which + /// creates a pack expansion. + /// + /// \param Type The type preceding the ellipsis, which will become + /// the pattern of the pack expansion. + /// + /// \param EllipsisLoc The location of the ellipsis. + TypeResult ActOnPackExpansion(ParsedType Type, SourceLocation EllipsisLoc); + + /// \brief Construct a pack expansion type from the pattern of the pack + /// expansion. + TypeSourceInfo *CheckPackExpansion(TypeSourceInfo *Pattern, + SourceLocation EllipsisLoc, + llvm::Optional<unsigned> NumExpansions); + + /// \brief Construct a pack expansion type from the pattern of the pack + /// expansion. + QualType CheckPackExpansion(QualType Pattern, + SourceRange PatternRange, + SourceLocation EllipsisLoc, + llvm::Optional<unsigned> NumExpansions); + + /// \brief Invoked when parsing an expression followed by an ellipsis, which + /// creates a pack expansion. + /// + /// \param Pattern The expression preceding the ellipsis, which will become + /// the pattern of the pack expansion. + /// + /// \param EllipsisLoc The location of the ellipsis. + ExprResult ActOnPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc); + + /// \brief Invoked when parsing an expression followed by an ellipsis, which + /// creates a pack expansion. + /// + /// \param Pattern The expression preceding the ellipsis, which will become + /// the pattern of the pack expansion. + /// + /// \param EllipsisLoc The location of the ellipsis. + ExprResult CheckPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc, + llvm::Optional<unsigned> NumExpansions); + + /// \brief Determine whether we could expand a pack expansion with the + /// given set of parameter packs into separate arguments by repeatedly + /// transforming the pattern. + /// + /// \param EllipsisLoc The location of the ellipsis that identifies the + /// pack expansion. + /// + /// \param PatternRange The source range that covers the entire pattern of + /// the pack expansion. + /// + /// \param Unexpanded The set of unexpanded parameter packs within the + /// pattern. + /// + /// \param NumUnexpanded The number of unexpanded parameter packs in + /// \p Unexpanded. + /// + /// \param ShouldExpand Will be set to \c true if the transformer should + /// expand the corresponding pack expansions into separate arguments. When + /// set, \c NumExpansions must also be set. + /// + /// \param RetainExpansion Whether the caller should add an unexpanded + /// pack expansion after all of the expanded arguments. This is used + /// when extending explicitly-specified template argument packs per + /// C++0x [temp.arg.explicit]p9. + /// + /// \param NumExpansions The number of separate arguments that will be in + /// the expanded form of the corresponding pack expansion. This is both an + /// input and an output parameter, which can be set by the caller if the + /// number of expansions is known a priori (e.g., due to a prior substitution) + /// and will be set by the callee when the number of expansions is known. + /// The callee must set this value when \c ShouldExpand is \c true; it may + /// set this value in other cases. + /// + /// \returns true if an error occurred (e.g., because the parameter packs + /// are to be instantiated with arguments of different lengths), false + /// otherwise. If false, \c ShouldExpand (and possibly \c NumExpansions) + /// must be set. + bool CheckParameterPacksForExpansion(SourceLocation EllipsisLoc, + SourceRange PatternRange, + const UnexpandedParameterPack *Unexpanded, + unsigned NumUnexpanded, + const MultiLevelTemplateArgumentList &TemplateArgs, + bool &ShouldExpand, + bool &RetainExpansion, + llvm::Optional<unsigned> &NumExpansions); + + /// \brief Determine the number of arguments in the given pack expansion + /// type. + /// + /// This routine already assumes that the pack expansion type can be + /// expanded and that the number of arguments in the expansion is + /// consistent across all of the unexpanded parameter packs in its pattern. + unsigned getNumArgumentsInExpansion(QualType T, + const MultiLevelTemplateArgumentList &TemplateArgs); + + /// \brief Determine whether the given declarator contains any unexpanded + /// parameter packs. + /// + /// This routine is used by the parser to disambiguate function declarators + /// with an ellipsis prior to the ')', e.g., + /// + /// \code + /// void f(T...); + /// \endcode + /// + /// To determine whether we have an (unnamed) function parameter pack or + /// a variadic function. + /// + /// \returns true if the declarator contains any unexpanded parameter packs, + /// false otherwise. + bool containsUnexpandedParameterPacks(Declarator &D); + + //===--------------------------------------------------------------------===// + // C++ Template Argument Deduction (C++ [temp.deduct]) + //===--------------------------------------------------------------------===// + /// \brief Describes the result of template argument deduction. /// /// The TemplateDeductionResult enumeration describes the result of @@ -3128,17 +3710,22 @@ public: FunctionDecl *&Specialization, sema::TemplateDeductionInfo &Info); + bool DeduceAutoType(QualType AutoType, Expr *Initializer, QualType &Result); + FunctionTemplateDecl *getMoreSpecializedTemplate(FunctionTemplateDecl *FT1, FunctionTemplateDecl *FT2, SourceLocation Loc, - TemplatePartialOrderingContext TPOC); + TemplatePartialOrderingContext TPOC, + unsigned NumCallArguments); UnresolvedSetIterator getMostSpecialized(UnresolvedSetIterator SBegin, UnresolvedSetIterator SEnd, TemplatePartialOrderingContext TPOC, + unsigned NumCallArguments, SourceLocation Loc, const PartialDiagnostic &NoneDiag, const PartialDiagnostic &AmbigDiag, - const PartialDiagnostic &CandidateDiag); + const PartialDiagnostic &CandidateDiag, + bool Complain = true); ClassTemplatePartialSpecializationDecl * getMoreSpecializedPartialSpecialization( @@ -3206,9 +3793,10 @@ public: /// \brief The point of instantiation within the source code. SourceLocation PointOfInstantiation; - /// \brief The template in which we are performing the instantiation, - /// for substitutions of prior template arguments. - TemplateDecl *Template; + /// \brief The template (or partial specialization) in which we are + /// performing the instantiation, for substitutions of prior template + /// arguments. + NamedDecl *Template; /// \brief The entity that is being instantiated. uintptr_t Entity; @@ -3220,6 +3808,10 @@ public: /// \brief The number of template arguments in TemplateArgs. unsigned NumTemplateArgs; + /// \brief The template deduction info object associated with the + /// substitution or checking of explicit or deduced template arguments. + sema::TemplateDeductionInfo *DeductionInfo; + /// \brief The source range that covers the construct that cause /// the instantiation, e.g., the template-id that causes a class /// template instantiation. @@ -3227,7 +3819,7 @@ public: ActiveTemplateInstantiation() : Kind(TemplateInstantiation), Template(0), Entity(0), TemplateArgs(0), - NumTemplateArgs(0) {} + NumTemplateArgs(0), DeductionInfo(0) {} /// \brief Determines whether this template is an actual instantiation /// that should be counted toward the maximum instantiation depth. @@ -3278,6 +3870,13 @@ public: llvm::SmallVector<ActiveTemplateInstantiation, 16> ActiveTemplateInstantiations; + /// \brief Whether we are in a SFINAE context that is not associated with + /// template instantiation. + /// + /// This is used when setting up a SFINAE trap (\c see SFINAETrap) outside + /// of a template instantiation or template argument deduction. + bool InNonInstantiationSFINAEContext; + /// \brief The number of ActiveTemplateInstantiation entries in /// \c ActiveTemplateInstantiations that are not actual instantiations and, /// therefore, should not be counted as part of the instantiation depth. @@ -3292,12 +3891,49 @@ public: /// to implement it anywhere else. ActiveTemplateInstantiation LastTemplateInstantiationErrorContext; + /// \brief The current index into pack expansion arguments that will be + /// used for substitution of parameter packs. + /// + /// The pack expansion index will be -1 to indicate that parameter packs + /// should be instantiated as themselves. Otherwise, the index specifies + /// which argument within the parameter pack will be used for substitution. + int ArgumentPackSubstitutionIndex; + + /// \brief RAII object used to change the argument pack substitution index + /// within a \c Sema object. + /// + /// See \c ArgumentPackSubstitutionIndex for more information. + class ArgumentPackSubstitutionIndexRAII { + Sema &Self; + int OldSubstitutionIndex; + + public: + ArgumentPackSubstitutionIndexRAII(Sema &Self, int NewSubstitutionIndex) + : Self(Self), OldSubstitutionIndex(Self.ArgumentPackSubstitutionIndex) { + Self.ArgumentPackSubstitutionIndex = NewSubstitutionIndex; + } + + ~ArgumentPackSubstitutionIndexRAII() { + Self.ArgumentPackSubstitutionIndex = OldSubstitutionIndex; + } + }; + + friend class ArgumentPackSubstitutionRAII; + /// \brief The stack of calls expression undergoing template instantiation. /// /// The top of this stack is used by a fixit instantiating unresolved /// function calls to fix the AST to match the textual change it prints. llvm::SmallVector<CallExpr *, 8> CallsUndergoingInstantiation; - + + /// \brief For each declaration that involved template argument deduction, the + /// set of diagnostics that were suppressed during that template argument + /// deduction. + /// + /// FIXME: Serialize this structure to the AST file. + llvm::DenseMap<Decl *, llvm::SmallVector<PartialDiagnosticAt, 1> > + SuppressedDiagnostics; + /// \brief A stack object to be created when performing template /// instantiation. /// @@ -3331,6 +3967,7 @@ public: const TemplateArgument *TemplateArgs, unsigned NumTemplateArgs, ActiveTemplateInstantiation::InstantiationKind Kind, + sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange = SourceRange()); /// \brief Note that we are instantiating as part of template @@ -3340,6 +3977,7 @@ public: ClassTemplatePartialSpecializationDecl *PartialSpec, const TemplateArgument *TemplateArgs, unsigned NumTemplateArgs, + sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange = SourceRange()); InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, @@ -3351,14 +3989,14 @@ public: /// \brief Note that we are substituting prior template arguments into a /// non-type or template template parameter. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, - TemplateDecl *Template, + NamedDecl *Template, NonTypeTemplateParmDecl *Param, const TemplateArgument *TemplateArgs, unsigned NumTemplateArgs, SourceRange InstantiationRange); InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, - TemplateDecl *Template, + NamedDecl *Template, TemplateTemplateParmDecl *Param, const TemplateArgument *TemplateArgs, unsigned NumTemplateArgs, @@ -3386,7 +4024,7 @@ public: private: Sema &SemaRef; bool Invalid; - + bool SavedInNonInstantiationSFINAEContext; bool CheckInstantiationDepth(SourceLocation PointOfInstantiation, SourceRange InstantiationRange); @@ -3402,21 +4040,39 @@ public: /// 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; + /// \returns An empty \c llvm::Optional if we're not in a SFINAE context. + /// Otherwise, contains a pointer that, if non-NULL, contains the nearest + /// template-deduction context object, which can be used to capture + /// diagnostics that will be suppressed. + llvm::Optional<sema::TemplateDeductionInfo *> isSFINAEContext() const; /// \brief RAII class used to determine whether SFINAE has /// trapped any errors that occur during template argument - /// deduction. + /// deduction.` class SFINAETrap { Sema &SemaRef; unsigned PrevSFINAEErrors; + bool PrevInNonInstantiationSFINAEContext; + bool PrevAccessCheckingSFINAE; + public: - explicit SFINAETrap(Sema &SemaRef) - : SemaRef(SemaRef), PrevSFINAEErrors(SemaRef.NumSFINAEErrors) { } + explicit SFINAETrap(Sema &SemaRef, bool AccessCheckingSFINAE = false) + : SemaRef(SemaRef), PrevSFINAEErrors(SemaRef.NumSFINAEErrors), + PrevInNonInstantiationSFINAEContext( + SemaRef.InNonInstantiationSFINAEContext), + PrevAccessCheckingSFINAE(SemaRef.AccessCheckingSFINAE) + { + if (!SemaRef.isSFINAEContext()) + SemaRef.InNonInstantiationSFINAEContext = true; + SemaRef.AccessCheckingSFINAE = AccessCheckingSFINAE; + } - ~SFINAETrap() { SemaRef.NumSFINAEErrors = PrevSFINAEErrors; } + ~SFINAETrap() { + SemaRef.NumSFINAEErrors = PrevSFINAEErrors; + SemaRef.InNonInstantiationSFINAEContext + = PrevInNonInstantiationSFINAEContext; + SemaRef.AccessCheckingSFINAE = PrevAccessCheckingSFINAE; + } /// \brief Determine whether any SFINAE errors have been trapped. bool hasErrorOccurred() const { @@ -3424,24 +4080,6 @@ public: } }; - /// \brief RAII class that determines when any errors have occurred - /// between the time the instance was created and the time it was - /// queried. - class ErrorTrap { - Sema &SemaRef; - unsigned PrevErrors; - - public: - explicit ErrorTrap(Sema &SemaRef) - : SemaRef(SemaRef), PrevErrors(SemaRef.getDiagnostics().getNumErrors()) {} - - /// \brief Determine whether any errors have occurred since this - /// object instance was created. - bool hasErrorOccurred() const { - return SemaRef.getDiagnostics().getNumErrors() > PrevErrors; - } - }; - /// \brief The current instantiation scope used to store local /// variables. LocalInstantiationScope *CurrentInstantiationScope; @@ -3449,6 +4087,17 @@ public: /// \brief The number of typos corrected by CorrectTypo. unsigned TyposCorrected; + typedef llvm::DenseMap<IdentifierInfo *, std::pair<llvm::StringRef, bool> > + UnqualifiedTyposCorrectedMap; + + /// \brief A cache containing the results of typo correction for unqualified + /// name lookup. + /// + /// The string is the string that we corrected to (which may be empty, if + /// there was no correction), while the boolean will be true when the + /// string represents a keyword. + UnqualifiedTyposCorrectedMap UnqualifiedTyposCorrected; + /// \brief Worker object for performing CFG-based warnings. sema::AnalysisBasedWarnings AnalysisWarnings; @@ -3485,14 +4134,43 @@ public: const MultiLevelTemplateArgumentList &TemplateArgs, SourceLocation Loc, DeclarationName Entity); + TypeSourceInfo *SubstType(TypeLoc TL, + const MultiLevelTemplateArgumentList &TemplateArgs, + SourceLocation Loc, DeclarationName Entity); + TypeSourceInfo *SubstFunctionDeclType(TypeSourceInfo *T, const MultiLevelTemplateArgumentList &TemplateArgs, SourceLocation Loc, DeclarationName Entity); ParmVarDecl *SubstParmVarDecl(ParmVarDecl *D, - const MultiLevelTemplateArgumentList &TemplateArgs); + const MultiLevelTemplateArgumentList &TemplateArgs, + llvm::Optional<unsigned> NumExpansions); + bool SubstParmTypes(SourceLocation Loc, + ParmVarDecl **Params, unsigned NumParams, + const MultiLevelTemplateArgumentList &TemplateArgs, + llvm::SmallVectorImpl<QualType> &ParamTypes, + llvm::SmallVectorImpl<ParmVarDecl *> *OutParams = 0); ExprResult SubstExpr(Expr *E, const MultiLevelTemplateArgumentList &TemplateArgs); + + /// \brief Substitute the given template arguments into a list of + /// expressions, expanding pack expansions if required. + /// + /// \param Exprs The list of expressions to substitute into. + /// + /// \param NumExprs The number of expressions in \p Exprs. + /// + /// \param IsCall Whether this is some form of call, in which case + /// default arguments will be dropped. + /// + /// \param TemplateArgs The set of template arguments to substitute. + /// + /// \param Outputs Will receive all of the substituted arguments. + /// + /// \returns true if an error occurred, false otherwise. + bool SubstExprs(Expr **Exprs, unsigned NumExprs, bool IsCall, + const MultiLevelTemplateArgumentList &TemplateArgs, + llvm::SmallVectorImpl<Expr *> &Outputs); StmtResult SubstStmt(Stmt *S, const MultiLevelTemplateArgumentList &TemplateArgs); @@ -3541,7 +4219,8 @@ public: TemplateName SubstTemplateName(TemplateName Name, SourceLocation Loc, const MultiLevelTemplateArgumentList &TemplateArgs); - bool Subst(const TemplateArgumentLoc &Arg, TemplateArgumentLoc &Result, + bool Subst(const TemplateArgumentLoc *Args, unsigned NumArgs, + TemplateArgumentListInfo &Result, const MultiLevelTemplateArgumentList &TemplateArgs); void InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, @@ -3636,7 +4315,19 @@ public: void CheckObjCPropertyAttributes(Decl *PropertyPtrTy, SourceLocation Loc, unsigned &Attributes); - void ProcessPropertyDecl(ObjCPropertyDecl *property, ObjCContainerDecl *DC); + + /// Process the specified property declaration and create decls for the + /// setters and getters as needed. + /// \param property The property declaration being processed + /// \param DC The semantic container for the property + /// \param redeclaredProperty Declaration for property if redeclared + /// in class extension. + /// \param lexicalDC Container for redeclaredProperty. + void ProcessPropertyDecl(ObjCPropertyDecl *property, + ObjCContainerDecl *DC, + ObjCPropertyDecl *redeclaredProperty = 0, + ObjCContainerDecl *lexicalDC = 0); + void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, ObjCPropertyDecl *SuperProperty, const IdentifierInfo *Name); @@ -3664,14 +4355,16 @@ public: Selector GetterSel, Selector SetterSel, Decl *ClassCategory, bool *OverridingProperty, - tok::ObjCKeywordKind MethodImplKind); + tok::ObjCKeywordKind MethodImplKind, + DeclContext *lexicalDC = 0); Decl *ActOnPropertyImplDecl(Scope *S, SourceLocation AtLoc, SourceLocation PropertyLoc, bool ImplKind,Decl *ClassImplDecl, IdentifierInfo *PropertyId, - IdentifierInfo *PropertyIvar); + IdentifierInfo *PropertyIvar, + SourceLocation PropertyIvarLoc); struct ObjCArgInfo { IdentifierInfo *Name; @@ -3686,6 +4379,7 @@ public: }; Decl *ActOnMethodDeclaration( + Scope *S, SourceLocation BeginLoc, // location of the + or -. SourceLocation EndLoc, // location of the ; or {. tok::TokenKind MethodType, @@ -3711,7 +4405,9 @@ public: HandleExprPropertyRefExpr(const ObjCObjectPointerType *OPT, Expr *BaseExpr, DeclarationName MemberName, - SourceLocation MemberLoc); + SourceLocation MemberLoc, + SourceLocation SuperLoc, QualType SuperType, + bool Super); ExprResult ActOnClassPropertyRefExpr(IdentifierInfo &receiverName, @@ -3719,6 +4415,8 @@ public: SourceLocation receiverNameLoc, SourceLocation propertyNameLoc); + ObjCMethodDecl *tryCaptureObjCSelf(); + /// \brief Describes the kind of message expression indicated by a message /// send that starts with an identifier. enum ObjCMessageKind { @@ -3751,6 +4449,7 @@ public: Selector Sel, ObjCMethodDecl *Method, SourceLocation LBracLoc, + SourceLocation SelectorLoc, SourceLocation RBracLoc, MultiExprArg Args); @@ -3768,6 +4467,7 @@ public: Selector Sel, ObjCMethodDecl *Method, SourceLocation LBracLoc, + SourceLocation SelectorLoc, SourceLocation RBracLoc, MultiExprArg Args); @@ -3810,11 +4510,9 @@ public: SourceLocation RParenLoc); /// ActOnPragmaUnused - Called on well-formed '#pragma unused'. - void ActOnPragmaUnused(const Token *Identifiers, - unsigned NumIdentifiers, Scope *curScope, - SourceLocation PragmaLoc, - SourceLocation LParenLoc, - SourceLocation RParenLoc); + void ActOnPragmaUnused(const Token &Identifier, + Scope *curScope, + SourceLocation PragmaLoc); /// ActOnPragmaVisibility - Called on well formed #pragma GCC visibility... . void ActOnPragmaVisibility(bool IsPush, const IdentifierInfo* VisType, @@ -3835,6 +4533,10 @@ public: SourceLocation WeakNameLoc, SourceLocation AliasNameLoc); + /// ActOnPragmaFPContract - Called on well formed + /// #pragma {STDC,OPENCL} FP_CONTRACT + void ActOnPragmaFPContract(tok::OnOffSwitch OOS); + /// AddAlignmentAttributesForRecord - Adds any needed alignment attributes to /// a the record decl, to handle '#pragma pack' and '#pragma options align'. void AddAlignmentAttributesForRecord(RecordDecl *RD); @@ -3842,9 +4544,9 @@ public: /// FreePackedContext - Deallocate and null out PackContext. void FreePackedContext(); - /// PushVisibilityAttr - Note that we've entered a context with a - /// visibility attribute. - void PushVisibilityAttr(const VisibilityAttr *Attr); + /// PushNamespaceVisibilityAttr - Note that we've entered a + /// namespace with a visibility attribute. + void PushNamespaceVisibilityAttr(const VisibilityAttr *Attr); /// AddPushedVisibilityAttribute - If '#pragma GCC visibility' was used, /// add an appropriate visibility attribute. @@ -3872,6 +4574,11 @@ public: ExprValueKind VK = VK_RValue, const CXXCastPath *BasePath = 0); + /// IgnoredValueConversions - Given that an expression's result is + /// syntactically ignored, perform any conversions that are + /// required. + void IgnoredValueConversions(Expr *&expr); + // 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); @@ -3885,6 +4592,12 @@ public: // lvalue-to-rvalue conversion. void DefaultFunctionArrayLvalueConversion(Expr *&expr); + // DefaultLvalueConversion - performs lvalue-to-rvalue conversion on + // the operand. This is DefaultFunctionArrayLvalueConversion, + // except that it assumes the operand isn't of function or array + // type. + void DefaultLvalueConversion(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. @@ -3957,6 +4670,11 @@ public: /// c/v/r qualifiers, which we accept as an extension. CompatiblePointerDiscardsQualifiers, + /// IncompatiblePointerDiscardsQualifiers - The assignment + /// discards qualifiers that we don't permit to be discarded, + /// like address spaces. + IncompatiblePointerDiscardsQualifiers, + /// IncompatibleNestedPointerQualifiers - The assignment is between two /// nested pointer types, and the qualifiers other than the first two /// levels differ e.g. char ** -> const char **, but we accept them as an @@ -3996,8 +4714,14 @@ public: /// 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); + /// C99 6.5.16. + AssignConvertType CheckAssignmentConstraints(SourceLocation Loc, + QualType lhs, QualType rhs); + + /// Check assignment constraints and prepare for a conversion of the + /// RHS to the LHS type. + AssignConvertType CheckAssignmentConstraints(QualType lhs, Expr *&rhs, + CastKind &Kind); // CheckSingleAssignmentConstraints - Currently used by // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, @@ -4010,18 +4734,6 @@ public: AssignConvertType CheckTransparentUnionArgumentConstraints(QualType lhs, Expr *&rExpr); - // Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1) - AssignConvertType CheckPointerTypesForAssignment(QualType lhsType, - QualType rhsType); - - AssignConvertType CheckObjCPointerTypesForAssignment(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); @@ -4036,10 +4748,11 @@ public: bool PerformImplicitConversion(Expr *&From, QualType ToType, const ImplicitConversionSequence& ICS, AssignmentAction Action, - bool IgnoreBaseAccess = false); + bool CStyle = false); bool PerformImplicitConversion(Expr *&From, QualType ToType, const StandardConversionSequence& SCS, - AssignmentAction Action,bool IgnoreBaseAccess); + AssignmentAction Action, + bool CStyle); /// the following "Check" methods will return a valid/converted QualType /// or a null QualType (indicating an error diagnostic was issued). @@ -4047,7 +4760,8 @@ public: /// 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); + Expr *&lex, Expr *&rex, ExprValueKind &VK, + SourceLocation OpLoc, bool isIndirect); QualType CheckMultiplyDivideOperands( // C99 6.5.5 Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign, bool isDivide); @@ -4071,36 +4785,30 @@ public: // 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); + + void ConvertPropertyForRValue(Expr *&E); + void ConvertPropertyForLValue(Expr *&LHS, Expr *&RHS, QualType& LHSTy); + QualType CheckConditionalOperands( // C99 6.5.15 - Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); + Expr *&cond, Expr *&lhs, Expr *&rhs, + ExprValueKind &VK, ExprObjectKind &OK, SourceLocation questionLoc); QualType CXXCheckConditionalOperands( // C++ 5.16 - Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc); + Expr *&cond, Expr *&lhs, Expr *&rhs, + ExprValueKind &VK, ExprObjectKind &OK, SourceLocation questionLoc); QualType FindCompositePointerType(SourceLocation Loc, Expr *&E1, Expr *&E2, bool *NonStandardCompositeType = 0); QualType FindCompositeObjCPointerType(Expr *&LHS, Expr *&RHS, SourceLocation questionLoc); + bool DiagnoseConditionalForNull(Expr *LHS, Expr *RHS, + SourceLocation QuestionLoc); + /// type checking for vector binary operators. QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex); 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, bool isPrefix); - 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 CheckInitList(const InitializedEntity &Entity, InitListExpr *&InitList, QualType &DeclType); @@ -4137,7 +4845,7 @@ public: /// 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, - CastKind &Kind, CXXCastPath &BasePath, + CastKind &Kind, ExprValueKind &VK, CXXCastPath &BasePath, bool FunctionalStyle = false); // CheckVectorCast - check type constraints for vectors. @@ -4157,9 +4865,9 @@ public: /// CXXCheckCStyleCast - Check constraints of a C-style or function-style /// cast under C++ semantics. - bool CXXCheckCStyleCast(SourceRange R, QualType CastTy, Expr *&CastExpr, - CastKind &Kind, CXXCastPath &BasePath, - bool FunctionalStyle); + bool CXXCheckCStyleCast(SourceRange R, QualType CastTy, ExprValueKind &VK, + Expr *&CastExpr, CastKind &Kind, + CXXCastPath &BasePath, bool FunctionalStyle); /// CheckMessageArgumentTypes - Check types in an Obj-C message send. /// \param Method - May be null. @@ -4168,7 +4876,7 @@ public: bool CheckMessageArgumentTypes(Expr **Args, unsigned NumArgs, Selector Sel, ObjCMethodDecl *Method, bool isClassMessage, SourceLocation lbrac, SourceLocation rbrac, - QualType &ReturnType); + QualType &ReturnType, ExprValueKind &VK); /// CheckBooleanCondition - Diagnose problems involving the use of /// the given expression as a boolean condition (e.g. in an if @@ -4187,6 +4895,10 @@ public: /// being used as a boolean condition, warn if it's an assignment. void DiagnoseAssignmentAsCondition(Expr *E); + /// \brief Redundant parentheses over an equality comparison can indicate + /// that the user intended an assignment used as condition. + void DiagnoseEqualityWithExtraParens(ParenExpr *parenE); + /// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid. bool CheckCXXBooleanCondition(Expr *&CondExpr); @@ -4202,8 +4914,6 @@ public: /// 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. @@ -4256,14 +4966,20 @@ public: /// in the grammar. PCC_RecoveryInFunction, /// \brief Code completion occurs where only a type is permitted. - PCC_Type + PCC_Type, + /// \brief Code completion occurs in a parenthesized expression, which + /// might also be a type cast. + PCC_ParenthesizedExpression, + /// \brief Code completion occurs within a sequence of declaration + /// specifiers within a function, method, or block. + PCC_LocalDeclarationSpecifiers }; void CodeCompleteOrdinaryName(Scope *S, ParserCompletionContext CompletionContext); - void CodeCompleteDeclarator(Scope *S, - bool AllowNonIdentifiers, - bool AllowNestedNameSpecifiers); + void CodeCompleteDeclSpec(Scope *S, DeclSpec &DS, + bool AllowNonIdentifiers, + bool AllowNestedNameSpecifiers); struct CodeCompleteExpressionData; void CodeCompleteExpression(Scope *S, @@ -4271,6 +4987,7 @@ public: void CodeCompleteMemberReferenceExpr(Scope *S, Expr *Base, SourceLocation OpLoc, bool IsArrow); + void CodeCompletePostfixExpression(Scope *S, ExprResult LHS); void CodeCompleteTag(Scope *S, unsigned TagSpec); void CodeCompleteTypeQualifiers(DeclSpec &DS); void CodeCompleteCase(Scope *S); @@ -4287,7 +5004,7 @@ public: void CodeCompleteNamespaceAliasDecl(Scope *S); void CodeCompleteOperatorName(Scope *S); void CodeCompleteConstructorInitializer(Decl *Constructor, - CXXBaseOrMemberInitializer** Initializers, + CXXCtorInitializer** Initializers, unsigned NumInitializers); void CodeCompleteObjCAtDirective(Scope *S, Decl *ObjCImpDecl, @@ -4296,31 +5013,25 @@ public: void CodeCompleteObjCAtStatement(Scope *S); void CodeCompleteObjCAtExpression(Scope *S); void CodeCompleteObjCPropertyFlags(Scope *S, ObjCDeclSpec &ODS); - void CodeCompleteObjCPropertyGetter(Scope *S, Decl *ClassDecl, - Decl **Methods, - unsigned NumMethods); - void CodeCompleteObjCPropertySetter(Scope *S, Decl *ClassDecl, - Decl **Methods, - unsigned NumMethods); - void CodeCompleteObjCPassingType(Scope *S, ObjCDeclSpec &DS); + void CodeCompleteObjCPropertyGetter(Scope *S, Decl *ClassDecl); + void CodeCompleteObjCPropertySetter(Scope *S, Decl *ClassDecl); + void CodeCompleteObjCPassingType(Scope *S, ObjCDeclSpec &DS, + bool IsParameter); void CodeCompleteObjCMessageReceiver(Scope *S); void CodeCompleteObjCSuperMessage(Scope *S, SourceLocation SuperLoc, IdentifierInfo **SelIdents, - unsigned NumSelIdents); - void CodeCompleteObjCClassMessage(Scope *S, ParsedType Receiver, - IdentifierInfo **SelIdents, - unsigned NumSelIdents); + unsigned NumSelIdents, + bool AtArgumentExpression); void CodeCompleteObjCClassMessage(Scope *S, ParsedType Receiver, IdentifierInfo **SelIdents, unsigned NumSelIdents, - bool IsSuper); + bool AtArgumentExpression, + bool IsSuper = false); void CodeCompleteObjCInstanceMessage(Scope *S, ExprTy *Receiver, IdentifierInfo **SelIdents, - unsigned NumSelIdents); - void CodeCompleteObjCInstanceMessage(Scope *S, ExprTy *Receiver, - IdentifierInfo **SelIdents, - unsigned NumSelIdents, - bool IsSuper); + unsigned NumSelIdents, + bool AtArgumentExpression, + ObjCInterfaceDecl *Super = 0); void CodeCompleteObjCForCollection(Scope *S, DeclGroupPtrTy IterationVar); void CodeCompleteObjCSelector(Scope *S, @@ -4363,7 +5074,7 @@ public: MacroInfo *MacroInfo, unsigned Argument); void CodeCompleteNaturalLanguage(); - void GatherGlobalCodeCompletions( + void GatherGlobalCodeCompletions(CodeCompletionAllocator &Allocator, llvm::SmallVectorImpl<CodeCompletionResult> &Results); //@} @@ -4376,7 +5087,8 @@ public: SourceLocation getLocationOfStringLiteralByte(const StringLiteral *SL, unsigned ByteNo) const; -private: +private: + void CheckArrayAccess(const ArraySubscriptExpr *E); bool CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); bool CheckBlockCall(NamedDecl *NDecl, CallExpr *TheCall); @@ -4385,7 +5097,6 @@ private: ExprResult CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); bool CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); - bool CheckX86BuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); bool SemaBuiltinVAStart(CallExpr *TheCall); bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); @@ -4422,7 +5133,10 @@ private: void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, SourceLocation ReturnLoc); void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex); - void CheckImplicitConversions(Expr *E); + void CheckImplicitConversions(Expr *E, SourceLocation CC = SourceLocation()); + + void CheckBitFieldInitialization(SourceLocation InitLoc, FieldDecl *Field, + Expr *Init); /// \brief The parser's current scope. /// @@ -4431,6 +5145,7 @@ private: protected: friend class Parser; + friend class InitializationSequence; /// \brief Retrieve the parser's current scope. Scope *getCurScope() const { return CurScope; } |
