diff options
Diffstat (limited to 'lib/AST/Decl.cpp')
| -rw-r--r-- | lib/AST/Decl.cpp | 193 |
1 files changed, 137 insertions, 56 deletions
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp index dc9fb59..ffe4967 100644 --- a/lib/AST/Decl.cpp +++ b/lib/AST/Decl.cpp @@ -25,7 +25,6 @@ #include "clang/Basic/IdentifierTable.h" #include "clang/Parse/DeclSpec.h" #include "llvm/Support/ErrorHandling.h" -#include <vector> using namespace clang; @@ -286,6 +285,28 @@ static Linkage getLinkageForNamespaceScopeDecl(const NamedDecl *D) { } Linkage NamedDecl::getLinkage() const { + + // Objective-C: treat all Objective-C declarations as having external + // linkage. + switch (getKind()) { + default: + break; + case Decl::ObjCAtDefsField: + case Decl::ObjCCategory: + case Decl::ObjCCategoryImpl: + case Decl::ObjCClass: + case Decl::ObjCCompatibleAlias: + case Decl::ObjCForwardProtocol: + case Decl::ObjCImplementation: + case Decl::ObjCInterface: + case Decl::ObjCIvar: + case Decl::ObjCMethod: + case Decl::ObjCProperty: + case Decl::ObjCPropertyImpl: + case Decl::ObjCProtocol: + return ExternalLinkage; + } + // Handle linkage for namespace-scope names. if (getDeclContext()->getLookupContext()->isFileContext()) if (Linkage L = getLinkageForNamespaceScopeDecl(this)) @@ -354,88 +375,79 @@ std::string NamedDecl::getQualifiedNameAsString() const { } std::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const { - // FIXME: Collect contexts, then accumulate names to avoid unnecessary - // std::string thrashing. - std::vector<std::string> Names; - std::string QualName; const DeclContext *Ctx = getDeclContext(); if (Ctx->isFunctionOrMethod()) return getNameAsString(); - while (Ctx) { + typedef llvm::SmallVector<const DeclContext *, 8> ContextsTy; + ContextsTy Contexts; + + // Collect contexts. + while (Ctx && isa<NamedDecl>(Ctx)) { + Contexts.push_back(Ctx); + Ctx = Ctx->getParent(); + }; + + std::string QualName; + llvm::raw_string_ostream OS(QualName); + + for (ContextsTy::reverse_iterator I = Contexts.rbegin(), E = Contexts.rend(); + I != E; ++I) { if (const ClassTemplateSpecializationDecl *Spec - = dyn_cast<ClassTemplateSpecializationDecl>(Ctx)) { + = dyn_cast<ClassTemplateSpecializationDecl>(*I)) { const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); std::string TemplateArgsStr = TemplateSpecializationType::PrintTemplateArgumentList( TemplateArgs.getFlatArgumentList(), TemplateArgs.flat_size(), P); - Names.push_back(Spec->getIdentifier()->getNameStart() + TemplateArgsStr); - } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(Ctx)) { + OS << Spec->getName() << TemplateArgsStr; + } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(*I)) { if (ND->isAnonymousNamespace()) - Names.push_back("<anonymous namespace>"); + OS << "<anonymous namespace>"; else - Names.push_back(ND->getNameAsString()); - } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(Ctx)) { - if (!RD->getIdentifier()) { - std::string RecordString = "<anonymous "; - RecordString += RD->getKindName(); - RecordString += ">"; - Names.push_back(RecordString); - } else { - Names.push_back(RD->getNameAsString()); - } - } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(Ctx)) { - std::string Proto = FD->getNameAsString(); - + OS << ND; + } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(*I)) { + if (!RD->getIdentifier()) + OS << "<anonymous " << RD->getKindName() << '>'; + else + OS << RD; + } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) { const FunctionProtoType *FT = 0; if (FD->hasWrittenPrototype()) FT = dyn_cast<FunctionProtoType>(FD->getType()->getAs<FunctionType>()); - Proto += "("; + OS << FD << '('; if (FT) { - llvm::raw_string_ostream POut(Proto); unsigned NumParams = FD->getNumParams(); for (unsigned i = 0; i < NumParams; ++i) { if (i) - POut << ", "; + OS << ", "; std::string Param; FD->getParamDecl(i)->getType().getAsStringInternal(Param, P); - POut << Param; + OS << Param; } if (FT->isVariadic()) { if (NumParams > 0) - POut << ", "; - POut << "..."; + OS << ", "; + OS << "..."; } } - Proto += ")"; - - Names.push_back(Proto); - } else if (const NamedDecl *ND = dyn_cast<NamedDecl>(Ctx)) - Names.push_back(ND->getNameAsString()); - else - break; - - Ctx = Ctx->getParent(); + OS << ')'; + } else { + OS << cast<NamedDecl>(*I); + } + OS << "::"; } - std::vector<std::string>::reverse_iterator - I = Names.rbegin(), - End = Names.rend(); - - for (; I!=End; ++I) - QualName += *I + "::"; - if (getDeclName()) - QualName += getNameAsString(); + OS << this; else - QualName += "<anonymous>"; + OS << "<anonymous>"; - return QualName; + return OS.str(); } bool NamedDecl::declarationReplaces(NamedDecl *OldD) const { @@ -494,6 +506,24 @@ NamedDecl *NamedDecl::getUnderlyingDecl() { } } +bool NamedDecl::isCXXInstanceMember() const { + assert(isCXXClassMember() && + "checking whether non-member is instance member"); + + const NamedDecl *D = this; + if (isa<UsingShadowDecl>(D)) + D = cast<UsingShadowDecl>(D)->getTargetDecl(); + + if (isa<FieldDecl>(D)) + return true; + if (isa<CXXMethodDecl>(D)) + return cast<CXXMethodDecl>(D)->isInstance(); + if (isa<FunctionTemplateDecl>(D)) + return cast<CXXMethodDecl>(cast<FunctionTemplateDecl>(D) + ->getTemplatedDecl())->isInstance(); + return false; +} + //===----------------------------------------------------------------------===// // DeclaratorDecl Implementation //===----------------------------------------------------------------------===// @@ -568,8 +598,8 @@ const char *VarDecl::getStorageClassSpecifierString(StorageClass SC) { VarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, - StorageClass S) { - return new (C) VarDecl(Var, DC, L, Id, T, TInfo, S); + StorageClass S, StorageClass SCAsWritten) { + return new (C) VarDecl(Var, DC, L, Id, T, TInfo, S, SCAsWritten); } void VarDecl::Destroy(ASTContext& C) { @@ -793,8 +823,10 @@ void VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, ParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, - StorageClass S, Expr *DefArg) { - return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, TInfo, S, DefArg); + StorageClass S, StorageClass SCAsWritten, + Expr *DefArg) { + return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, TInfo, + S, SCAsWritten, DefArg); } Expr *ParmVarDecl::getDefaultArg() { @@ -874,6 +906,12 @@ void FunctionDecl::getNameForDiagnostic(std::string &S, } +bool FunctionDecl::isVariadic() const { + if (const FunctionProtoType *FT = getType()->getAs<FunctionProtoType>()) + return FT->isVariadic(); + return false; +} + Stmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { if (I->Body) { @@ -1291,6 +1329,40 @@ FunctionDecl::setFunctionTemplateSpecialization(FunctionTemplateDecl *Template, } } +void +FunctionDecl::setDependentTemplateSpecialization(ASTContext &Context, + const UnresolvedSetImpl &Templates, + const TemplateArgumentListInfo &TemplateArgs) { + assert(TemplateOrSpecialization.isNull()); + size_t Size = sizeof(DependentFunctionTemplateSpecializationInfo); + Size += Templates.size() * sizeof(FunctionTemplateDecl*); + Size += TemplateArgs.size() * sizeof(TemplateArgumentLoc); + void *Buffer = Context.Allocate(Size); + DependentFunctionTemplateSpecializationInfo *Info = + new (Buffer) DependentFunctionTemplateSpecializationInfo(Templates, + TemplateArgs); + TemplateOrSpecialization = Info; +} + +DependentFunctionTemplateSpecializationInfo:: +DependentFunctionTemplateSpecializationInfo(const UnresolvedSetImpl &Ts, + const TemplateArgumentListInfo &TArgs) + : AngleLocs(TArgs.getLAngleLoc(), TArgs.getRAngleLoc()) { + + d.NumTemplates = Ts.size(); + d.NumArgs = TArgs.size(); + + FunctionTemplateDecl **TsArray = + const_cast<FunctionTemplateDecl**>(getTemplates()); + for (unsigned I = 0, E = Ts.size(); I != E; ++I) + TsArray[I] = cast<FunctionTemplateDecl>(Ts[I]->getUnderlyingDecl()); + + TemplateArgumentLoc *ArgsArray = + const_cast<TemplateArgumentLoc*>(getTemplateArgs()); + for (unsigned I = 0, E = TArgs.size(); I != E; ++I) + new (&ArgsArray[I]) TemplateArgumentLoc(TArgs[I]); +} + TemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const { // For a function template specialization, query the specialization // information object. @@ -1407,6 +1479,10 @@ void TagDecl::startDefinition() { if (TagType *TagT = const_cast<TagType *>(TypeForDecl->getAs<TagType>())) { TagT->decl.setPointer(this); TagT->decl.setInt(1); + } else if (InjectedClassNameType *Injected + = const_cast<InjectedClassNameType *>( + TypeForDecl->getAs<InjectedClassNameType>())) { + Injected->Decl = cast<CXXRecordDecl>(this); } if (isa<CXXRecordDecl>(this)) { @@ -1428,6 +1504,11 @@ void TagDecl::completeDefinition() { assert(TagT->decl.getPointer() == this && "Attempt to redefine a tag definition?"); TagT->decl.setInt(0); + } else if (InjectedClassNameType *Injected + = const_cast<InjectedClassNameType *>( + TypeForDecl->getAs<InjectedClassNameType>())) { + assert(Injected->Decl == this && + "Attempt to redefine a class template definition?"); } } @@ -1606,10 +1687,10 @@ FunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName N, QualType T, TypeSourceInfo *TInfo, - StorageClass S, bool isInline, - bool hasWrittenPrototype) { - FunctionDecl *New - = new (C) FunctionDecl(Function, DC, L, N, T, TInfo, S, isInline); + StorageClass S, StorageClass SCAsWritten, + bool isInline, bool hasWrittenPrototype) { + FunctionDecl *New = new (C) FunctionDecl(Function, DC, L, N, T, TInfo, + S, SCAsWritten, isInline); New->HasWrittenPrototype = hasWrittenPrototype; return New; } |
