forked from OSchip/llvm-project
732 lines
31 KiB
C++
732 lines
31 KiB
C++
//===--- DeclTemplate.cpp - Template Declaration AST Node Implementation --===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the C++ related Decl classes for templates.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/DeclCXX.h"
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#include "clang/AST/DeclTemplate.h"
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#include "clang/AST/Expr.h"
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#include "clang/AST/ExprCXX.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/TypeLoc.h"
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#include "clang/AST/ASTMutationListener.h"
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#include "clang/Basic/IdentifierTable.h"
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#include "llvm/ADT/STLExtras.h"
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#include <memory>
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using namespace clang;
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//===----------------------------------------------------------------------===//
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// TemplateParameterList Implementation
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//===----------------------------------------------------------------------===//
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TemplateParameterList::TemplateParameterList(SourceLocation TemplateLoc,
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SourceLocation LAngleLoc,
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NamedDecl **Params, unsigned NumParams,
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SourceLocation RAngleLoc)
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: TemplateLoc(TemplateLoc), LAngleLoc(LAngleLoc), RAngleLoc(RAngleLoc),
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NumParams(NumParams) {
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for (unsigned Idx = 0; Idx < NumParams; ++Idx)
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begin()[Idx] = Params[Idx];
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}
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TemplateParameterList *
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TemplateParameterList::Create(const ASTContext &C, SourceLocation TemplateLoc,
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SourceLocation LAngleLoc, NamedDecl **Params,
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unsigned NumParams, SourceLocation RAngleLoc) {
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unsigned Size = sizeof(TemplateParameterList)
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+ sizeof(NamedDecl *) * NumParams;
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unsigned Align = llvm::AlignOf<TemplateParameterList>::Alignment;
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void *Mem = C.Allocate(Size, Align);
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return new (Mem) TemplateParameterList(TemplateLoc, LAngleLoc, Params,
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NumParams, RAngleLoc);
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}
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unsigned TemplateParameterList::getMinRequiredArguments() const {
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unsigned NumRequiredArgs = 0;
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for (iterator P = const_cast<TemplateParameterList *>(this)->begin(),
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PEnd = const_cast<TemplateParameterList *>(this)->end();
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P != PEnd; ++P) {
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if ((*P)->isTemplateParameterPack()) {
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if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P))
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if (NTTP->isExpandedParameterPack()) {
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NumRequiredArgs += NTTP->getNumExpansionTypes();
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continue;
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}
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break;
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}
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if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) {
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if (TTP->hasDefaultArgument())
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break;
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} else if (NonTypeTemplateParmDecl *NTTP
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= dyn_cast<NonTypeTemplateParmDecl>(*P)) {
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if (NTTP->hasDefaultArgument())
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break;
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} else if (cast<TemplateTemplateParmDecl>(*P)->hasDefaultArgument())
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break;
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++NumRequiredArgs;
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}
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return NumRequiredArgs;
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}
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unsigned TemplateParameterList::getDepth() const {
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if (size() == 0)
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return 0;
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const NamedDecl *FirstParm = getParam(0);
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if (const TemplateTypeParmDecl *TTP
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= dyn_cast<TemplateTypeParmDecl>(FirstParm))
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return TTP->getDepth();
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else if (const NonTypeTemplateParmDecl *NTTP
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= dyn_cast<NonTypeTemplateParmDecl>(FirstParm))
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return NTTP->getDepth();
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else
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return cast<TemplateTemplateParmDecl>(FirstParm)->getDepth();
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}
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static void AdoptTemplateParameterList(TemplateParameterList *Params,
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DeclContext *Owner) {
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for (TemplateParameterList::iterator P = Params->begin(),
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PEnd = Params->end();
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P != PEnd; ++P) {
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(*P)->setDeclContext(Owner);
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if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(*P))
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AdoptTemplateParameterList(TTP->getTemplateParameters(), Owner);
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}
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}
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//===----------------------------------------------------------------------===//
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// RedeclarableTemplateDecl Implementation
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//===----------------------------------------------------------------------===//
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RedeclarableTemplateDecl::CommonBase *RedeclarableTemplateDecl::getCommonPtr() {
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// Find the first declaration of this function template.
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RedeclarableTemplateDecl *First = getCanonicalDecl();
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if (First->CommonOrPrev.isNull()) {
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CommonBase *CommonPtr = First->newCommon(getASTContext());
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First->CommonOrPrev = CommonPtr;
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CommonPtr->Latest = First;
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}
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return First->CommonOrPrev.get<CommonBase*>();
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}
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RedeclarableTemplateDecl *RedeclarableTemplateDecl::getCanonicalDeclImpl() {
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RedeclarableTemplateDecl *Tmpl = this;
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while (Tmpl->getPreviousDeclaration())
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Tmpl = Tmpl->getPreviousDeclaration();
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return Tmpl;
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}
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void RedeclarableTemplateDecl::setPreviousDeclarationImpl(
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RedeclarableTemplateDecl *Prev) {
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if (Prev) {
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CommonBase *Common = Prev->getCommonPtr();
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Prev = Common->Latest;
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Common->Latest = this;
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CommonOrPrev = Prev;
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} else {
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assert(CommonOrPrev.is<CommonBase*>() && "Cannot reset TemplateDecl Prev");
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}
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}
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RedeclarableTemplateDecl *RedeclarableTemplateDecl::getNextRedeclaration() {
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if (CommonOrPrev.is<RedeclarableTemplateDecl*>())
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return CommonOrPrev.get<RedeclarableTemplateDecl*>();
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CommonBase *Common = CommonOrPrev.get<CommonBase*>();
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return Common ? Common->Latest : this;
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}
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template <class EntryType>
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typename RedeclarableTemplateDecl::SpecEntryTraits<EntryType>::DeclType*
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RedeclarableTemplateDecl::findSpecializationImpl(
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llvm::FoldingSet<EntryType> &Specs,
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const TemplateArgument *Args, unsigned NumArgs,
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void *&InsertPos) {
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typedef SpecEntryTraits<EntryType> SETraits;
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llvm::FoldingSetNodeID ID;
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EntryType::Profile(ID,Args,NumArgs, getASTContext());
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EntryType *Entry = Specs.FindNodeOrInsertPos(ID, InsertPos);
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return Entry ? SETraits::getMostRecentDeclaration(Entry) : 0;
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}
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/// \brief Generate the injected template arguments for the given template
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/// parameter list, e.g., for the injected-class-name of a class template.
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static void GenerateInjectedTemplateArgs(ASTContext &Context,
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TemplateParameterList *Params,
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TemplateArgument *Args) {
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for (TemplateParameterList::iterator Param = Params->begin(),
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ParamEnd = Params->end();
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Param != ParamEnd; ++Param) {
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TemplateArgument Arg;
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if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*Param)) {
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QualType ArgType = Context.getTypeDeclType(TTP);
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if (TTP->isParameterPack())
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ArgType = Context.getPackExpansionType(ArgType,
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llvm::Optional<unsigned>());
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Arg = TemplateArgument(ArgType);
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} else if (NonTypeTemplateParmDecl *NTTP =
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dyn_cast<NonTypeTemplateParmDecl>(*Param)) {
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Expr *E = new (Context) DeclRefExpr(NTTP,
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NTTP->getType().getNonLValueExprType(Context),
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Expr::getValueKindForType(NTTP->getType()),
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NTTP->getLocation());
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if (NTTP->isParameterPack())
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E = new (Context) PackExpansionExpr(Context.DependentTy, E,
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NTTP->getLocation(),
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llvm::Optional<unsigned>());
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Arg = TemplateArgument(E);
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} else {
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TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*Param);
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if (TTP->isParameterPack())
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Arg = TemplateArgument(TemplateName(TTP), llvm::Optional<unsigned>());
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else
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Arg = TemplateArgument(TemplateName(TTP));
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}
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if ((*Param)->isTemplateParameterPack())
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Arg = TemplateArgument::CreatePackCopy(Context, &Arg, 1);
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*Args++ = Arg;
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}
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}
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//===----------------------------------------------------------------------===//
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// FunctionTemplateDecl Implementation
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//===----------------------------------------------------------------------===//
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void FunctionTemplateDecl::DeallocateCommon(void *Ptr) {
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static_cast<Common *>(Ptr)->~Common();
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}
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FunctionTemplateDecl *FunctionTemplateDecl::Create(ASTContext &C,
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DeclContext *DC,
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SourceLocation L,
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DeclarationName Name,
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TemplateParameterList *Params,
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NamedDecl *Decl) {
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AdoptTemplateParameterList(Params, cast<DeclContext>(Decl));
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return new (C) FunctionTemplateDecl(DC, L, Name, Params, Decl);
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}
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FunctionTemplateDecl *FunctionTemplateDecl::Create(ASTContext &C, EmptyShell) {
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return new (C) FunctionTemplateDecl(0, SourceLocation(), DeclarationName(),
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0, 0);
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}
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RedeclarableTemplateDecl::CommonBase *
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FunctionTemplateDecl::newCommon(ASTContext &C) {
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Common *CommonPtr = new (C) Common;
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C.AddDeallocation(DeallocateCommon, CommonPtr);
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return CommonPtr;
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}
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FunctionDecl *
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FunctionTemplateDecl::findSpecialization(const TemplateArgument *Args,
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unsigned NumArgs, void *&InsertPos) {
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return findSpecializationImpl(getSpecializations(), Args, NumArgs, InsertPos);
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}
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void FunctionTemplateDecl::addSpecialization(
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FunctionTemplateSpecializationInfo *Info, void *InsertPos) {
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getSpecializations().InsertNode(Info, InsertPos);
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if (ASTMutationListener *L = getASTMutationListener())
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L->AddedCXXTemplateSpecialization(this, Info->Function);
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}
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std::pair<const TemplateArgument *, unsigned>
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FunctionTemplateDecl::getInjectedTemplateArgs() {
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TemplateParameterList *Params = getTemplateParameters();
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Common *CommonPtr = getCommonPtr();
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if (!CommonPtr->InjectedArgs) {
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CommonPtr->InjectedArgs
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= new (getASTContext()) TemplateArgument [Params->size()];
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GenerateInjectedTemplateArgs(getASTContext(), Params,
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CommonPtr->InjectedArgs);
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}
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return std::make_pair(CommonPtr->InjectedArgs, Params->size());
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}
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//===----------------------------------------------------------------------===//
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// ClassTemplateDecl Implementation
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//===----------------------------------------------------------------------===//
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void ClassTemplateDecl::DeallocateCommon(void *Ptr) {
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static_cast<Common *>(Ptr)->~Common();
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}
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ClassTemplateDecl *ClassTemplateDecl::Create(ASTContext &C,
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DeclContext *DC,
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SourceLocation L,
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DeclarationName Name,
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TemplateParameterList *Params,
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NamedDecl *Decl,
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ClassTemplateDecl *PrevDecl) {
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AdoptTemplateParameterList(Params, cast<DeclContext>(Decl));
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ClassTemplateDecl *New = new (C) ClassTemplateDecl(DC, L, Name, Params, Decl);
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New->setPreviousDeclaration(PrevDecl);
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return New;
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}
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ClassTemplateDecl *ClassTemplateDecl::Create(ASTContext &C, EmptyShell Empty) {
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return new (C) ClassTemplateDecl(Empty);
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}
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void ClassTemplateDecl::LoadLazySpecializations() {
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Common *CommonPtr = getCommonPtr();
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if (CommonPtr->LazySpecializations) {
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ASTContext &Context = getASTContext();
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uint32_t *Specs = CommonPtr->LazySpecializations;
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CommonPtr->LazySpecializations = 0;
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for (uint32_t I = 0, N = *Specs++; I != N; ++I)
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(void)Context.getExternalSource()->GetExternalDecl(Specs[I]);
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}
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}
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llvm::FoldingSet<ClassTemplateSpecializationDecl> &
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ClassTemplateDecl::getSpecializations() {
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LoadLazySpecializations();
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return getCommonPtr()->Specializations;
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}
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llvm::FoldingSet<ClassTemplatePartialSpecializationDecl> &
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ClassTemplateDecl::getPartialSpecializations() {
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LoadLazySpecializations();
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return getCommonPtr()->PartialSpecializations;
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}
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RedeclarableTemplateDecl::CommonBase *
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ClassTemplateDecl::newCommon(ASTContext &C) {
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Common *CommonPtr = new (C) Common;
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C.AddDeallocation(DeallocateCommon, CommonPtr);
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return CommonPtr;
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}
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ClassTemplateSpecializationDecl *
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ClassTemplateDecl::findSpecialization(const TemplateArgument *Args,
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unsigned NumArgs, void *&InsertPos) {
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return findSpecializationImpl(getSpecializations(), Args, NumArgs, InsertPos);
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}
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void ClassTemplateDecl::AddSpecialization(ClassTemplateSpecializationDecl *D,
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void *InsertPos) {
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getSpecializations().InsertNode(D, InsertPos);
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if (ASTMutationListener *L = getASTMutationListener())
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L->AddedCXXTemplateSpecialization(this, D);
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}
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ClassTemplatePartialSpecializationDecl *
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ClassTemplateDecl::findPartialSpecialization(const TemplateArgument *Args,
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unsigned NumArgs,
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void *&InsertPos) {
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return findSpecializationImpl(getPartialSpecializations(), Args, NumArgs,
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InsertPos);
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}
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void ClassTemplateDecl::AddPartialSpecialization(
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ClassTemplatePartialSpecializationDecl *D,
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void *InsertPos) {
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getPartialSpecializations().InsertNode(D, InsertPos);
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if (ASTMutationListener *L = getASTMutationListener())
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L->AddedCXXTemplateSpecialization(this, D);
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}
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void ClassTemplateDecl::getPartialSpecializations(
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llvm::SmallVectorImpl<ClassTemplatePartialSpecializationDecl *> &PS) {
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llvm::FoldingSet<ClassTemplatePartialSpecializationDecl> &PartialSpecs
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= getPartialSpecializations();
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PS.clear();
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PS.resize(PartialSpecs.size());
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for (llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator
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P = PartialSpecs.begin(), PEnd = PartialSpecs.end();
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P != PEnd; ++P) {
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assert(!PS[P->getSequenceNumber()]);
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PS[P->getSequenceNumber()] = P->getMostRecentDeclaration();
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}
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}
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ClassTemplatePartialSpecializationDecl *
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ClassTemplateDecl::findPartialSpecialization(QualType T) {
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ASTContext &Context = getASTContext();
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typedef llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator
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partial_spec_iterator;
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for (partial_spec_iterator P = getPartialSpecializations().begin(),
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PEnd = getPartialSpecializations().end();
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P != PEnd; ++P) {
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if (Context.hasSameType(P->getInjectedSpecializationType(), T))
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return P->getMostRecentDeclaration();
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}
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return 0;
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}
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ClassTemplatePartialSpecializationDecl *
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ClassTemplateDecl::findPartialSpecInstantiatedFromMember(
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ClassTemplatePartialSpecializationDecl *D) {
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Decl *DCanon = D->getCanonicalDecl();
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for (llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator
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P = getPartialSpecializations().begin(),
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PEnd = getPartialSpecializations().end();
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P != PEnd; ++P) {
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if (P->getInstantiatedFromMember()->getCanonicalDecl() == DCanon)
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return P->getMostRecentDeclaration();
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}
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return 0;
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}
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QualType
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ClassTemplateDecl::getInjectedClassNameSpecialization() {
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Common *CommonPtr = getCommonPtr();
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if (!CommonPtr->InjectedClassNameType.isNull())
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return CommonPtr->InjectedClassNameType;
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// C++0x [temp.dep.type]p2:
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// The template argument list of a primary template is a template argument
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// list in which the nth template argument has the value of the nth template
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// parameter of the class template. If the nth template parameter is a
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// template parameter pack (14.5.3), the nth template argument is a pack
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// expansion (14.5.3) whose pattern is the name of the template parameter
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// pack.
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ASTContext &Context = getASTContext();
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TemplateParameterList *Params = getTemplateParameters();
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llvm::SmallVector<TemplateArgument, 16> TemplateArgs;
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TemplateArgs.resize(Params->size());
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GenerateInjectedTemplateArgs(getASTContext(), Params, TemplateArgs.data());
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CommonPtr->InjectedClassNameType
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= Context.getTemplateSpecializationType(TemplateName(this),
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&TemplateArgs[0],
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TemplateArgs.size());
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return CommonPtr->InjectedClassNameType;
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}
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//===----------------------------------------------------------------------===//
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// TemplateTypeParm Allocation/Deallocation Method Implementations
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//===----------------------------------------------------------------------===//
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TemplateTypeParmDecl *
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TemplateTypeParmDecl::Create(const ASTContext &C, DeclContext *DC,
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SourceLocation KeyLoc, SourceLocation NameLoc,
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unsigned D, unsigned P, IdentifierInfo *Id,
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bool Typename, bool ParameterPack) {
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QualType Type = C.getTemplateTypeParmType(D, P, ParameterPack, Id);
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return new (C) TemplateTypeParmDecl(DC, KeyLoc, NameLoc, Id, Typename,
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Type, ParameterPack);
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}
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TemplateTypeParmDecl *
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TemplateTypeParmDecl::Create(const ASTContext &C, EmptyShell Empty) {
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return new (C) TemplateTypeParmDecl(0, SourceLocation(), SourceLocation(),
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0, false, QualType(), false);
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}
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SourceLocation TemplateTypeParmDecl::getDefaultArgumentLoc() const {
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return hasDefaultArgument()
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? DefaultArgument->getTypeLoc().getBeginLoc()
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: SourceLocation();
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}
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SourceRange TemplateTypeParmDecl::getSourceRange() const {
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if (hasDefaultArgument() && !defaultArgumentWasInherited())
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return SourceRange(getLocStart(),
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DefaultArgument->getTypeLoc().getEndLoc());
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else
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return TypeDecl::getSourceRange();
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}
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unsigned TemplateTypeParmDecl::getDepth() const {
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return TypeForDecl->getAs<TemplateTypeParmType>()->getDepth();
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}
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unsigned TemplateTypeParmDecl::getIndex() const {
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return TypeForDecl->getAs<TemplateTypeParmType>()->getIndex();
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}
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//===----------------------------------------------------------------------===//
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// NonTypeTemplateParmDecl Method Implementations
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//===----------------------------------------------------------------------===//
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NonTypeTemplateParmDecl::NonTypeTemplateParmDecl(DeclContext *DC,
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SourceLocation StartLoc,
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SourceLocation IdLoc,
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unsigned D, unsigned P,
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IdentifierInfo *Id,
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QualType T,
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TypeSourceInfo *TInfo,
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const QualType *ExpandedTypes,
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unsigned NumExpandedTypes,
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TypeSourceInfo **ExpandedTInfos)
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: DeclaratorDecl(NonTypeTemplateParm, DC, IdLoc, Id, T, TInfo, StartLoc),
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TemplateParmPosition(D, P), DefaultArgumentAndInherited(0, false),
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ParameterPack(true), ExpandedParameterPack(true),
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NumExpandedTypes(NumExpandedTypes)
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{
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if (ExpandedTypes && ExpandedTInfos) {
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void **TypesAndInfos = reinterpret_cast<void **>(this + 1);
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for (unsigned I = 0; I != NumExpandedTypes; ++I) {
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TypesAndInfos[2*I] = ExpandedTypes[I].getAsOpaquePtr();
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TypesAndInfos[2*I + 1] = ExpandedTInfos[I];
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}
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}
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}
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NonTypeTemplateParmDecl *
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NonTypeTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC,
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SourceLocation StartLoc, SourceLocation IdLoc,
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unsigned D, unsigned P, IdentifierInfo *Id,
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QualType T, bool ParameterPack,
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TypeSourceInfo *TInfo) {
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return new (C) NonTypeTemplateParmDecl(DC, StartLoc, IdLoc, D, P, Id,
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T, ParameterPack, TInfo);
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}
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NonTypeTemplateParmDecl *
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NonTypeTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC,
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SourceLocation StartLoc, SourceLocation IdLoc,
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unsigned D, unsigned P,
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IdentifierInfo *Id, QualType T,
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TypeSourceInfo *TInfo,
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const QualType *ExpandedTypes,
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unsigned NumExpandedTypes,
|
|
TypeSourceInfo **ExpandedTInfos) {
|
|
unsigned Size = sizeof(NonTypeTemplateParmDecl)
|
|
+ NumExpandedTypes * 2 * sizeof(void*);
|
|
void *Mem = C.Allocate(Size);
|
|
return new (Mem) NonTypeTemplateParmDecl(DC, StartLoc, IdLoc,
|
|
D, P, Id, T, TInfo,
|
|
ExpandedTypes, NumExpandedTypes,
|
|
ExpandedTInfos);
|
|
}
|
|
|
|
SourceRange NonTypeTemplateParmDecl::getSourceRange() const {
|
|
if (hasDefaultArgument() && !defaultArgumentWasInherited())
|
|
return SourceRange(getOuterLocStart(),
|
|
getDefaultArgument()->getSourceRange().getEnd());
|
|
return DeclaratorDecl::getSourceRange();
|
|
}
|
|
|
|
SourceLocation NonTypeTemplateParmDecl::getDefaultArgumentLoc() const {
|
|
return hasDefaultArgument()
|
|
? getDefaultArgument()->getSourceRange().getBegin()
|
|
: SourceLocation();
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// TemplateTemplateParmDecl Method Implementations
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
TemplateTemplateParmDecl *
|
|
TemplateTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC,
|
|
SourceLocation L, unsigned D, unsigned P,
|
|
bool ParameterPack, IdentifierInfo *Id,
|
|
TemplateParameterList *Params) {
|
|
return new (C) TemplateTemplateParmDecl(DC, L, D, P, ParameterPack, Id,
|
|
Params);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// TemplateArgumentList Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
TemplateArgumentList *
|
|
TemplateArgumentList::CreateCopy(ASTContext &Context,
|
|
const TemplateArgument *Args,
|
|
unsigned NumArgs) {
|
|
std::size_t Size = sizeof(TemplateArgumentList)
|
|
+ NumArgs * sizeof(TemplateArgument);
|
|
void *Mem = Context.Allocate(Size);
|
|
TemplateArgument *StoredArgs
|
|
= reinterpret_cast<TemplateArgument *>(
|
|
static_cast<TemplateArgumentList *>(Mem) + 1);
|
|
std::uninitialized_copy(Args, Args + NumArgs, StoredArgs);
|
|
return new (Mem) TemplateArgumentList(StoredArgs, NumArgs, true);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// ClassTemplateSpecializationDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
ClassTemplateSpecializationDecl::
|
|
ClassTemplateSpecializationDecl(ASTContext &Context, Kind DK, TagKind TK,
|
|
DeclContext *DC, SourceLocation StartLoc,
|
|
SourceLocation IdLoc,
|
|
ClassTemplateDecl *SpecializedTemplate,
|
|
const TemplateArgument *Args,
|
|
unsigned NumArgs,
|
|
ClassTemplateSpecializationDecl *PrevDecl)
|
|
: CXXRecordDecl(DK, TK, DC, StartLoc, IdLoc,
|
|
SpecializedTemplate->getIdentifier(),
|
|
PrevDecl),
|
|
SpecializedTemplate(SpecializedTemplate),
|
|
ExplicitInfo(0),
|
|
TemplateArgs(TemplateArgumentList::CreateCopy(Context, Args, NumArgs)),
|
|
SpecializationKind(TSK_Undeclared) {
|
|
}
|
|
|
|
ClassTemplateSpecializationDecl::ClassTemplateSpecializationDecl(Kind DK)
|
|
: CXXRecordDecl(DK, TTK_Struct, 0, SourceLocation(), SourceLocation(), 0, 0),
|
|
ExplicitInfo(0),
|
|
SpecializationKind(TSK_Undeclared) {
|
|
}
|
|
|
|
ClassTemplateSpecializationDecl *
|
|
ClassTemplateSpecializationDecl::Create(ASTContext &Context, TagKind TK,
|
|
DeclContext *DC,
|
|
SourceLocation StartLoc,
|
|
SourceLocation IdLoc,
|
|
ClassTemplateDecl *SpecializedTemplate,
|
|
const TemplateArgument *Args,
|
|
unsigned NumArgs,
|
|
ClassTemplateSpecializationDecl *PrevDecl) {
|
|
ClassTemplateSpecializationDecl *Result
|
|
= new (Context)ClassTemplateSpecializationDecl(Context,
|
|
ClassTemplateSpecialization,
|
|
TK, DC, StartLoc, IdLoc,
|
|
SpecializedTemplate,
|
|
Args, NumArgs,
|
|
PrevDecl);
|
|
Context.getTypeDeclType(Result, PrevDecl);
|
|
return Result;
|
|
}
|
|
|
|
ClassTemplateSpecializationDecl *
|
|
ClassTemplateSpecializationDecl::Create(ASTContext &Context, EmptyShell Empty) {
|
|
return
|
|
new (Context)ClassTemplateSpecializationDecl(ClassTemplateSpecialization);
|
|
}
|
|
|
|
void
|
|
ClassTemplateSpecializationDecl::getNameForDiagnostic(std::string &S,
|
|
const PrintingPolicy &Policy,
|
|
bool Qualified) const {
|
|
NamedDecl::getNameForDiagnostic(S, Policy, Qualified);
|
|
|
|
const TemplateArgumentList &TemplateArgs = getTemplateArgs();
|
|
S += TemplateSpecializationType::PrintTemplateArgumentList(
|
|
TemplateArgs.data(),
|
|
TemplateArgs.size(),
|
|
Policy);
|
|
}
|
|
|
|
ClassTemplateDecl *
|
|
ClassTemplateSpecializationDecl::getSpecializedTemplate() const {
|
|
if (SpecializedPartialSpecialization *PartialSpec
|
|
= SpecializedTemplate.dyn_cast<SpecializedPartialSpecialization*>())
|
|
return PartialSpec->PartialSpecialization->getSpecializedTemplate();
|
|
return SpecializedTemplate.get<ClassTemplateDecl*>();
|
|
}
|
|
|
|
SourceRange
|
|
ClassTemplateSpecializationDecl::getSourceRange() const {
|
|
if (!ExplicitInfo)
|
|
return SourceRange();
|
|
SourceLocation Begin = getExternLoc();
|
|
if (Begin.isInvalid())
|
|
Begin = getTemplateKeywordLoc();
|
|
SourceLocation End = getRBraceLoc();
|
|
if (End.isInvalid())
|
|
End = getTypeAsWritten()->getTypeLoc().getEndLoc();
|
|
return SourceRange(Begin, End);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// ClassTemplatePartialSpecializationDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
ClassTemplatePartialSpecializationDecl::
|
|
ClassTemplatePartialSpecializationDecl(ASTContext &Context, TagKind TK,
|
|
DeclContext *DC,
|
|
SourceLocation StartLoc,
|
|
SourceLocation IdLoc,
|
|
TemplateParameterList *Params,
|
|
ClassTemplateDecl *SpecializedTemplate,
|
|
const TemplateArgument *Args,
|
|
unsigned NumArgs,
|
|
TemplateArgumentLoc *ArgInfos,
|
|
unsigned NumArgInfos,
|
|
ClassTemplatePartialSpecializationDecl *PrevDecl,
|
|
unsigned SequenceNumber)
|
|
: ClassTemplateSpecializationDecl(Context,
|
|
ClassTemplatePartialSpecialization,
|
|
TK, DC, StartLoc, IdLoc,
|
|
SpecializedTemplate,
|
|
Args, NumArgs, PrevDecl),
|
|
TemplateParams(Params), ArgsAsWritten(ArgInfos),
|
|
NumArgsAsWritten(NumArgInfos), SequenceNumber(SequenceNumber),
|
|
InstantiatedFromMember(0, false)
|
|
{
|
|
AdoptTemplateParameterList(Params, this);
|
|
}
|
|
|
|
ClassTemplatePartialSpecializationDecl *
|
|
ClassTemplatePartialSpecializationDecl::
|
|
Create(ASTContext &Context, TagKind TK,DeclContext *DC,
|
|
SourceLocation StartLoc, SourceLocation IdLoc,
|
|
TemplateParameterList *Params,
|
|
ClassTemplateDecl *SpecializedTemplate,
|
|
const TemplateArgument *Args,
|
|
unsigned NumArgs,
|
|
const TemplateArgumentListInfo &ArgInfos,
|
|
QualType CanonInjectedType,
|
|
ClassTemplatePartialSpecializationDecl *PrevDecl,
|
|
unsigned SequenceNumber) {
|
|
unsigned N = ArgInfos.size();
|
|
TemplateArgumentLoc *ClonedArgs = new (Context) TemplateArgumentLoc[N];
|
|
for (unsigned I = 0; I != N; ++I)
|
|
ClonedArgs[I] = ArgInfos[I];
|
|
|
|
ClassTemplatePartialSpecializationDecl *Result
|
|
= new (Context)ClassTemplatePartialSpecializationDecl(Context, TK, DC,
|
|
StartLoc, IdLoc,
|
|
Params,
|
|
SpecializedTemplate,
|
|
Args, NumArgs,
|
|
ClonedArgs, N,
|
|
PrevDecl,
|
|
SequenceNumber);
|
|
Result->setSpecializationKind(TSK_ExplicitSpecialization);
|
|
|
|
Context.getInjectedClassNameType(Result, CanonInjectedType);
|
|
return Result;
|
|
}
|
|
|
|
ClassTemplatePartialSpecializationDecl *
|
|
ClassTemplatePartialSpecializationDecl::Create(ASTContext &Context,
|
|
EmptyShell Empty) {
|
|
return new (Context)ClassTemplatePartialSpecializationDecl();
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// FriendTemplateDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
FriendTemplateDecl *FriendTemplateDecl::Create(ASTContext &Context,
|
|
DeclContext *DC,
|
|
SourceLocation L,
|
|
unsigned NParams,
|
|
TemplateParameterList **Params,
|
|
FriendUnion Friend,
|
|
SourceLocation FLoc) {
|
|
FriendTemplateDecl *Result
|
|
= new (Context) FriendTemplateDecl(DC, L, NParams, Params, Friend, FLoc);
|
|
return Result;
|
|
}
|
|
|
|
FriendTemplateDecl *FriendTemplateDecl::Create(ASTContext &Context,
|
|
EmptyShell Empty) {
|
|
return new (Context) FriendTemplateDecl(Empty);
|
|
}
|