forked from OSchip/llvm-project
1158 lines
48 KiB
C++
1158 lines
48 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/DeclTemplate.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/ASTMutationListener.h"
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#include "clang/AST/DeclCXX.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/TypeLoc.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), ContainsUnexpandedParameterPack(false) {
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assert(this->NumParams == NumParams && "Too many template parameters");
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for (unsigned Idx = 0; Idx < NumParams; ++Idx) {
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NamedDecl *P = Params[Idx];
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begin()[Idx] = 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->getType()->containsUnexpandedParameterPack())
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ContainsUnexpandedParameterPack = true;
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if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(P))
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if (TTP->getTemplateParameters()->containsUnexpandedParameterPack())
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ContainsUnexpandedParameterPack = true;
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// FIXME: If a default argument contains an unexpanded parameter pack, the
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// template parameter list does too.
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}
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}
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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 = std::max(llvm::alignOf<TemplateParameterList>(),
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llvm::alignOf<NamedDecl*>());
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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() const {
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if (Common)
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return Common;
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// Walk the previous-declaration chain until we either find a declaration
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// with a common pointer or we run out of previous declarations.
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SmallVector<const RedeclarableTemplateDecl *, 2> PrevDecls;
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for (const RedeclarableTemplateDecl *Prev = getPreviousDecl(); Prev;
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Prev = Prev->getPreviousDecl()) {
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if (Prev->Common) {
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Common = Prev->Common;
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break;
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}
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PrevDecls.push_back(Prev);
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}
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// If we never found a common pointer, allocate one now.
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if (!Common) {
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// FIXME: If any of the declarations is from an AST file, we probably
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// need an update record to add the common data.
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Common = newCommon(getASTContext());
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}
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// Update any previous declarations we saw with the common pointer.
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for (unsigned I = 0, N = PrevDecls.size(); I != N; ++I)
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PrevDecls[I]->Common = Common;
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return Common;
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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::FoldingSetVector<EntryType> &Specs,
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ArrayRef<TemplateArgument> Args,
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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, getASTContext());
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EntryType *Entry = Specs.FindNodeOrInsertPos(ID, InsertPos);
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return Entry ? SETraits::getMostRecentDecl(Entry) : nullptr;
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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, None);
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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, /*enclosing*/ false,
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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(), None);
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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), 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, DC) FunctionTemplateDecl(C, DC, L, Name, Params, Decl);
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}
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FunctionTemplateDecl *FunctionTemplateDecl::CreateDeserialized(ASTContext &C,
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unsigned ID) {
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return new (C, ID) FunctionTemplateDecl(C, nullptr, SourceLocation(),
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DeclarationName(), nullptr, nullptr);
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}
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RedeclarableTemplateDecl::CommonBase *
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FunctionTemplateDecl::newCommon(ASTContext &C) const {
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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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void FunctionTemplateDecl::LoadLazySpecializations() const {
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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 = nullptr;
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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::FoldingSetVector<FunctionTemplateSpecializationInfo> &
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FunctionTemplateDecl::getSpecializations() const {
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LoadLazySpecializations();
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return getCommonPtr()->Specializations;
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}
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FunctionDecl *
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FunctionTemplateDecl::findSpecialization(ArrayRef<TemplateArgument> Args,
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void *&InsertPos) {
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return findSpecializationImpl(getSpecializations(), Args, InsertPos);
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}
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void FunctionTemplateDecl::addSpecialization(
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FunctionTemplateSpecializationInfo *Info, void *InsertPos) {
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if (InsertPos)
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getSpecializations().InsertNode(Info, InsertPos);
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else
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getSpecializations().GetOrInsertNode(Info);
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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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ArrayRef<TemplateArgument> 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 llvm::makeArrayRef(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, DC) ClassTemplateDecl(C, DC, L, Name,
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Params, Decl);
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New->setPreviousDecl(PrevDecl);
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return New;
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}
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ClassTemplateDecl *ClassTemplateDecl::CreateDeserialized(ASTContext &C,
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unsigned ID) {
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return new (C, ID) ClassTemplateDecl(C, nullptr, SourceLocation(),
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DeclarationName(), nullptr, nullptr);
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}
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void ClassTemplateDecl::LoadLazySpecializations() const {
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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 = nullptr;
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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::FoldingSetVector<ClassTemplateSpecializationDecl> &
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ClassTemplateDecl::getSpecializations() const {
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LoadLazySpecializations();
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return getCommonPtr()->Specializations;
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}
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llvm::FoldingSetVector<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) const {
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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(ArrayRef<TemplateArgument> Args,
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void *&InsertPos) {
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return findSpecializationImpl(getSpecializations(), Args, InsertPos);
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}
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void ClassTemplateDecl::AddSpecialization(ClassTemplateSpecializationDecl *D,
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void *InsertPos) {
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if (InsertPos)
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getSpecializations().InsertNode(D, InsertPos);
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else {
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ClassTemplateSpecializationDecl *Existing
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= getSpecializations().GetOrInsertNode(D);
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(void)Existing;
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assert(Existing->isCanonicalDecl() && "Non-canonical specialization?");
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}
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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(ArrayRef<TemplateArgument> Args,
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void *&InsertPos) {
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return findSpecializationImpl(getPartialSpecializations(), Args, 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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if (InsertPos)
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getPartialSpecializations().InsertNode(D, InsertPos);
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else {
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ClassTemplatePartialSpecializationDecl *Existing
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= getPartialSpecializations().GetOrInsertNode(D);
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(void)Existing;
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assert(Existing->isCanonicalDecl() && "Non-canonical specialization?");
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}
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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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SmallVectorImpl<ClassTemplatePartialSpecializationDecl *> &PS) {
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llvm::FoldingSetVector<ClassTemplatePartialSpecializationDecl> &PartialSpecs
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= getPartialSpecializations();
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PS.clear();
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PS.reserve(PartialSpecs.size());
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for (llvm::FoldingSetVector<ClassTemplatePartialSpecializationDecl>::iterator
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P = PartialSpecs.begin(), PEnd = PartialSpecs.end();
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P != PEnd; ++P)
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PS.push_back(P->getMostRecentDecl());
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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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using llvm::FoldingSetVector;
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typedef FoldingSetVector<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->getMostRecentDecl();
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}
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return nullptr;
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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::FoldingSetVector<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->getMostRecentDecl();
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}
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return nullptr;
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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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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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TemplateTypeParmDecl *TTPDecl =
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new (C, DC) TemplateTypeParmDecl(DC, KeyLoc, NameLoc, Id, Typename);
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QualType TTPType = C.getTemplateTypeParmType(D, P, ParameterPack, TTPDecl);
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TTPDecl->setTypeForDecl(TTPType.getTypePtr());
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return TTPDecl;
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}
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TemplateTypeParmDecl *
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TemplateTypeParmDecl::CreateDeserialized(const ASTContext &C, unsigned ID) {
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return new (C, ID) TemplateTypeParmDecl(nullptr, SourceLocation(),
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SourceLocation(), nullptr, 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 getTypeForDecl()->getAs<TemplateTypeParmType>()->getDepth();
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}
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unsigned TemplateTypeParmDecl::getIndex() const {
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return getTypeForDecl()->getAs<TemplateTypeParmType>()->getIndex();
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}
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bool TemplateTypeParmDecl::isParameterPack() const {
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|
return getTypeForDecl()->getAs<TemplateTypeParmType>()->isParameterPack();
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// NonTypeTemplateParmDecl Method Implementations
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
NonTypeTemplateParmDecl::NonTypeTemplateParmDecl(DeclContext *DC,
|
|
SourceLocation StartLoc,
|
|
SourceLocation IdLoc,
|
|
unsigned D, unsigned P,
|
|
IdentifierInfo *Id,
|
|
QualType T,
|
|
TypeSourceInfo *TInfo,
|
|
const QualType *ExpandedTypes,
|
|
unsigned NumExpandedTypes,
|
|
TypeSourceInfo **ExpandedTInfos)
|
|
: DeclaratorDecl(NonTypeTemplateParm, DC, IdLoc, Id, T, TInfo, StartLoc),
|
|
TemplateParmPosition(D, P), DefaultArgumentAndInherited(nullptr, false),
|
|
ParameterPack(true), ExpandedParameterPack(true),
|
|
NumExpandedTypes(NumExpandedTypes)
|
|
{
|
|
if (ExpandedTypes && ExpandedTInfos) {
|
|
void **TypesAndInfos = reinterpret_cast<void **>(this + 1);
|
|
for (unsigned I = 0; I != NumExpandedTypes; ++I) {
|
|
TypesAndInfos[2*I] = ExpandedTypes[I].getAsOpaquePtr();
|
|
TypesAndInfos[2*I + 1] = ExpandedTInfos[I];
|
|
}
|
|
}
|
|
}
|
|
|
|
NonTypeTemplateParmDecl *
|
|
NonTypeTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC,
|
|
SourceLocation StartLoc, SourceLocation IdLoc,
|
|
unsigned D, unsigned P, IdentifierInfo *Id,
|
|
QualType T, bool ParameterPack,
|
|
TypeSourceInfo *TInfo) {
|
|
return new (C, DC) NonTypeTemplateParmDecl(DC, StartLoc, IdLoc, D, P, Id,
|
|
T, ParameterPack, TInfo);
|
|
}
|
|
|
|
NonTypeTemplateParmDecl *
|
|
NonTypeTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC,
|
|
SourceLocation StartLoc, SourceLocation IdLoc,
|
|
unsigned D, unsigned P,
|
|
IdentifierInfo *Id, QualType T,
|
|
TypeSourceInfo *TInfo,
|
|
const QualType *ExpandedTypes,
|
|
unsigned NumExpandedTypes,
|
|
TypeSourceInfo **ExpandedTInfos) {
|
|
unsigned Extra = NumExpandedTypes * 2 * sizeof(void*);
|
|
return new (C, DC, Extra) NonTypeTemplateParmDecl(
|
|
DC, StartLoc, IdLoc, D, P, Id, T, TInfo,
|
|
ExpandedTypes, NumExpandedTypes, ExpandedTInfos);
|
|
}
|
|
|
|
NonTypeTemplateParmDecl *
|
|
NonTypeTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
|
|
return new (C, ID) NonTypeTemplateParmDecl(nullptr, SourceLocation(),
|
|
SourceLocation(), 0, 0, nullptr,
|
|
QualType(), false, nullptr);
|
|
}
|
|
|
|
NonTypeTemplateParmDecl *
|
|
NonTypeTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID,
|
|
unsigned NumExpandedTypes) {
|
|
unsigned Extra = NumExpandedTypes * 2 * sizeof(void*);
|
|
return new (C, ID, Extra) NonTypeTemplateParmDecl(
|
|
nullptr, SourceLocation(), SourceLocation(), 0, 0, nullptr, QualType(),
|
|
nullptr, nullptr, NumExpandedTypes, nullptr);
|
|
}
|
|
|
|
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
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void TemplateTemplateParmDecl::anchor() { }
|
|
|
|
TemplateTemplateParmDecl::TemplateTemplateParmDecl(
|
|
DeclContext *DC, SourceLocation L, unsigned D, unsigned P,
|
|
IdentifierInfo *Id, TemplateParameterList *Params,
|
|
unsigned NumExpansions, TemplateParameterList * const *Expansions)
|
|
: TemplateDecl(TemplateTemplateParm, DC, L, Id, Params),
|
|
TemplateParmPosition(D, P), DefaultArgument(),
|
|
DefaultArgumentWasInherited(false), ParameterPack(true),
|
|
ExpandedParameterPack(true), NumExpandedParams(NumExpansions) {
|
|
if (Expansions)
|
|
std::memcpy(reinterpret_cast<void*>(this + 1), Expansions,
|
|
sizeof(TemplateParameterList*) * NumExpandedParams);
|
|
}
|
|
|
|
TemplateTemplateParmDecl *
|
|
TemplateTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC,
|
|
SourceLocation L, unsigned D, unsigned P,
|
|
bool ParameterPack, IdentifierInfo *Id,
|
|
TemplateParameterList *Params) {
|
|
return new (C, DC) TemplateTemplateParmDecl(DC, L, D, P, ParameterPack, Id,
|
|
Params);
|
|
}
|
|
|
|
TemplateTemplateParmDecl *
|
|
TemplateTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC,
|
|
SourceLocation L, unsigned D, unsigned P,
|
|
IdentifierInfo *Id,
|
|
TemplateParameterList *Params,
|
|
ArrayRef<TemplateParameterList *> Expansions) {
|
|
return new (C, DC, sizeof(TemplateParameterList*) * Expansions.size())
|
|
TemplateTemplateParmDecl(DC, L, D, P, Id, Params,
|
|
Expansions.size(), Expansions.data());
|
|
}
|
|
|
|
TemplateTemplateParmDecl *
|
|
TemplateTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
|
|
return new (C, ID) TemplateTemplateParmDecl(nullptr, SourceLocation(), 0, 0,
|
|
false, nullptr, nullptr);
|
|
}
|
|
|
|
TemplateTemplateParmDecl *
|
|
TemplateTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID,
|
|
unsigned NumExpansions) {
|
|
return new (C, ID, sizeof(TemplateParameterList*) * NumExpansions)
|
|
TemplateTemplateParmDecl(nullptr, SourceLocation(), 0, 0, nullptr,
|
|
nullptr, NumExpansions, nullptr);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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);
|
|
}
|
|
|
|
FunctionTemplateSpecializationInfo *
|
|
FunctionTemplateSpecializationInfo::Create(ASTContext &C, FunctionDecl *FD,
|
|
FunctionTemplateDecl *Template,
|
|
TemplateSpecializationKind TSK,
|
|
const TemplateArgumentList *TemplateArgs,
|
|
const TemplateArgumentListInfo *TemplateArgsAsWritten,
|
|
SourceLocation POI) {
|
|
const ASTTemplateArgumentListInfo *ArgsAsWritten = nullptr;
|
|
if (TemplateArgsAsWritten)
|
|
ArgsAsWritten = ASTTemplateArgumentListInfo::Create(C,
|
|
*TemplateArgsAsWritten);
|
|
|
|
return new (C) FunctionTemplateSpecializationInfo(FD, Template, TSK,
|
|
TemplateArgs,
|
|
ArgsAsWritten,
|
|
POI);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// TemplateDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void TemplateDecl::anchor() { }
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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, Context, DC, StartLoc, IdLoc,
|
|
SpecializedTemplate->getIdentifier(),
|
|
PrevDecl),
|
|
SpecializedTemplate(SpecializedTemplate),
|
|
ExplicitInfo(nullptr),
|
|
TemplateArgs(TemplateArgumentList::CreateCopy(Context, Args, NumArgs)),
|
|
SpecializationKind(TSK_Undeclared) {
|
|
}
|
|
|
|
ClassTemplateSpecializationDecl::ClassTemplateSpecializationDecl(ASTContext &C,
|
|
Kind DK)
|
|
: CXXRecordDecl(DK, TTK_Struct, C, nullptr, SourceLocation(),
|
|
SourceLocation(), nullptr, nullptr),
|
|
ExplicitInfo(nullptr), 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, DC) ClassTemplateSpecializationDecl(
|
|
Context, ClassTemplateSpecialization, TK, DC, StartLoc, IdLoc,
|
|
SpecializedTemplate, Args, NumArgs, PrevDecl);
|
|
Result->MayHaveOutOfDateDef = false;
|
|
|
|
Context.getTypeDeclType(Result, PrevDecl);
|
|
return Result;
|
|
}
|
|
|
|
ClassTemplateSpecializationDecl *
|
|
ClassTemplateSpecializationDecl::CreateDeserialized(ASTContext &C,
|
|
unsigned ID) {
|
|
ClassTemplateSpecializationDecl *Result =
|
|
new (C, ID) ClassTemplateSpecializationDecl(C, ClassTemplateSpecialization);
|
|
Result->MayHaveOutOfDateDef = false;
|
|
return Result;
|
|
}
|
|
|
|
void ClassTemplateSpecializationDecl::getNameForDiagnostic(
|
|
raw_ostream &OS, const PrintingPolicy &Policy, bool Qualified) const {
|
|
NamedDecl::getNameForDiagnostic(OS, Policy, Qualified);
|
|
|
|
const TemplateArgumentList &TemplateArgs = getTemplateArgs();
|
|
TemplateSpecializationType::PrintTemplateArgumentList(
|
|
OS, 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) {
|
|
SourceLocation Begin = getTemplateKeywordLoc();
|
|
if (Begin.isValid()) {
|
|
// Here we have an explicit (partial) specialization or instantiation.
|
|
assert(getSpecializationKind() == TSK_ExplicitSpecialization ||
|
|
getSpecializationKind() == TSK_ExplicitInstantiationDeclaration ||
|
|
getSpecializationKind() == TSK_ExplicitInstantiationDefinition);
|
|
if (getExternLoc().isValid())
|
|
Begin = getExternLoc();
|
|
SourceLocation End = getRBraceLoc();
|
|
if (End.isInvalid())
|
|
End = getTypeAsWritten()->getTypeLoc().getEndLoc();
|
|
return SourceRange(Begin, End);
|
|
}
|
|
// An implicit instantiation of a class template partial specialization
|
|
// uses ExplicitInfo to record the TypeAsWritten, but the source
|
|
// locations should be retrieved from the instantiation pattern.
|
|
typedef ClassTemplatePartialSpecializationDecl CTPSDecl;
|
|
CTPSDecl *ctpsd = const_cast<CTPSDecl*>(cast<CTPSDecl>(this));
|
|
CTPSDecl *inst_from = ctpsd->getInstantiatedFromMember();
|
|
assert(inst_from != nullptr);
|
|
return inst_from->getSourceRange();
|
|
}
|
|
else {
|
|
// No explicit info available.
|
|
llvm::PointerUnion<ClassTemplateDecl *,
|
|
ClassTemplatePartialSpecializationDecl *>
|
|
inst_from = getInstantiatedFrom();
|
|
if (inst_from.isNull())
|
|
return getSpecializedTemplate()->getSourceRange();
|
|
if (ClassTemplateDecl *ctd = inst_from.dyn_cast<ClassTemplateDecl*>())
|
|
return ctd->getSourceRange();
|
|
return inst_from.get<ClassTemplatePartialSpecializationDecl*>()
|
|
->getSourceRange();
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// ClassTemplatePartialSpecializationDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
void ClassTemplatePartialSpecializationDecl::anchor() { }
|
|
|
|
ClassTemplatePartialSpecializationDecl::
|
|
ClassTemplatePartialSpecializationDecl(ASTContext &Context, TagKind TK,
|
|
DeclContext *DC,
|
|
SourceLocation StartLoc,
|
|
SourceLocation IdLoc,
|
|
TemplateParameterList *Params,
|
|
ClassTemplateDecl *SpecializedTemplate,
|
|
const TemplateArgument *Args,
|
|
unsigned NumArgs,
|
|
const ASTTemplateArgumentListInfo *ArgInfos,
|
|
ClassTemplatePartialSpecializationDecl *PrevDecl)
|
|
: ClassTemplateSpecializationDecl(Context,
|
|
ClassTemplatePartialSpecialization,
|
|
TK, DC, StartLoc, IdLoc,
|
|
SpecializedTemplate,
|
|
Args, NumArgs, PrevDecl),
|
|
TemplateParams(Params), ArgsAsWritten(ArgInfos),
|
|
InstantiatedFromMember(nullptr, 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) {
|
|
const ASTTemplateArgumentListInfo *ASTArgInfos =
|
|
ASTTemplateArgumentListInfo::Create(Context, ArgInfos);
|
|
|
|
ClassTemplatePartialSpecializationDecl *Result = new (Context, DC)
|
|
ClassTemplatePartialSpecializationDecl(Context, TK, DC, StartLoc, IdLoc,
|
|
Params, SpecializedTemplate, Args,
|
|
NumArgs, ASTArgInfos, PrevDecl);
|
|
Result->setSpecializationKind(TSK_ExplicitSpecialization);
|
|
Result->MayHaveOutOfDateDef = false;
|
|
|
|
Context.getInjectedClassNameType(Result, CanonInjectedType);
|
|
return Result;
|
|
}
|
|
|
|
ClassTemplatePartialSpecializationDecl *
|
|
ClassTemplatePartialSpecializationDecl::CreateDeserialized(ASTContext &C,
|
|
unsigned ID) {
|
|
ClassTemplatePartialSpecializationDecl *Result =
|
|
new (C, ID) ClassTemplatePartialSpecializationDecl(C);
|
|
Result->MayHaveOutOfDateDef = false;
|
|
return Result;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// FriendTemplateDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void FriendTemplateDecl::anchor() { }
|
|
|
|
FriendTemplateDecl *FriendTemplateDecl::Create(ASTContext &Context,
|
|
DeclContext *DC,
|
|
SourceLocation L,
|
|
unsigned NParams,
|
|
TemplateParameterList **Params,
|
|
FriendUnion Friend,
|
|
SourceLocation FLoc) {
|
|
return new (Context, DC) FriendTemplateDecl(DC, L, NParams, Params,
|
|
Friend, FLoc);
|
|
}
|
|
|
|
FriendTemplateDecl *FriendTemplateDecl::CreateDeserialized(ASTContext &C,
|
|
unsigned ID) {
|
|
return new (C, ID) FriendTemplateDecl(EmptyShell());
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// TypeAliasTemplateDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
TypeAliasTemplateDecl *TypeAliasTemplateDecl::Create(ASTContext &C,
|
|
DeclContext *DC,
|
|
SourceLocation L,
|
|
DeclarationName Name,
|
|
TemplateParameterList *Params,
|
|
NamedDecl *Decl) {
|
|
AdoptTemplateParameterList(Params, DC);
|
|
return new (C, DC) TypeAliasTemplateDecl(C, DC, L, Name, Params, Decl);
|
|
}
|
|
|
|
TypeAliasTemplateDecl *TypeAliasTemplateDecl::CreateDeserialized(ASTContext &C,
|
|
unsigned ID) {
|
|
return new (C, ID) TypeAliasTemplateDecl(C, nullptr, SourceLocation(),
|
|
DeclarationName(), nullptr, nullptr);
|
|
}
|
|
|
|
void TypeAliasTemplateDecl::DeallocateCommon(void *Ptr) {
|
|
static_cast<Common *>(Ptr)->~Common();
|
|
}
|
|
RedeclarableTemplateDecl::CommonBase *
|
|
TypeAliasTemplateDecl::newCommon(ASTContext &C) const {
|
|
Common *CommonPtr = new (C) Common;
|
|
C.AddDeallocation(DeallocateCommon, CommonPtr);
|
|
return CommonPtr;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// ClassScopeFunctionSpecializationDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void ClassScopeFunctionSpecializationDecl::anchor() { }
|
|
|
|
ClassScopeFunctionSpecializationDecl *
|
|
ClassScopeFunctionSpecializationDecl::CreateDeserialized(ASTContext &C,
|
|
unsigned ID) {
|
|
return new (C, ID) ClassScopeFunctionSpecializationDecl(
|
|
nullptr, SourceLocation(), nullptr, false, TemplateArgumentListInfo());
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// VarTemplateDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void VarTemplateDecl::DeallocateCommon(void *Ptr) {
|
|
static_cast<Common *>(Ptr)->~Common();
|
|
}
|
|
|
|
VarTemplateDecl *VarTemplateDecl::getDefinition() {
|
|
VarTemplateDecl *CurD = this;
|
|
while (CurD) {
|
|
if (CurD->isThisDeclarationADefinition())
|
|
return CurD;
|
|
CurD = CurD->getPreviousDecl();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
VarTemplateDecl *VarTemplateDecl::Create(ASTContext &C, DeclContext *DC,
|
|
SourceLocation L, DeclarationName Name,
|
|
TemplateParameterList *Params,
|
|
VarDecl *Decl) {
|
|
return new (C, DC) VarTemplateDecl(C, DC, L, Name, Params, Decl);
|
|
}
|
|
|
|
VarTemplateDecl *VarTemplateDecl::CreateDeserialized(ASTContext &C,
|
|
unsigned ID) {
|
|
return new (C, ID) VarTemplateDecl(C, nullptr, SourceLocation(),
|
|
DeclarationName(), nullptr, nullptr);
|
|
}
|
|
|
|
// TODO: Unify across class, function and variable templates?
|
|
// May require moving this and Common to RedeclarableTemplateDecl.
|
|
void VarTemplateDecl::LoadLazySpecializations() const {
|
|
Common *CommonPtr = getCommonPtr();
|
|
if (CommonPtr->LazySpecializations) {
|
|
ASTContext &Context = getASTContext();
|
|
uint32_t *Specs = CommonPtr->LazySpecializations;
|
|
CommonPtr->LazySpecializations = nullptr;
|
|
for (uint32_t I = 0, N = *Specs++; I != N; ++I)
|
|
(void)Context.getExternalSource()->GetExternalDecl(Specs[I]);
|
|
}
|
|
}
|
|
|
|
llvm::FoldingSetVector<VarTemplateSpecializationDecl> &
|
|
VarTemplateDecl::getSpecializations() const {
|
|
LoadLazySpecializations();
|
|
return getCommonPtr()->Specializations;
|
|
}
|
|
|
|
llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl> &
|
|
VarTemplateDecl::getPartialSpecializations() {
|
|
LoadLazySpecializations();
|
|
return getCommonPtr()->PartialSpecializations;
|
|
}
|
|
|
|
RedeclarableTemplateDecl::CommonBase *
|
|
VarTemplateDecl::newCommon(ASTContext &C) const {
|
|
Common *CommonPtr = new (C) Common;
|
|
C.AddDeallocation(DeallocateCommon, CommonPtr);
|
|
return CommonPtr;
|
|
}
|
|
|
|
VarTemplateSpecializationDecl *
|
|
VarTemplateDecl::findSpecialization(ArrayRef<TemplateArgument> Args,
|
|
void *&InsertPos) {
|
|
return findSpecializationImpl(getSpecializations(), Args, InsertPos);
|
|
}
|
|
|
|
void VarTemplateDecl::AddSpecialization(VarTemplateSpecializationDecl *D,
|
|
void *InsertPos) {
|
|
if (InsertPos)
|
|
getSpecializations().InsertNode(D, InsertPos);
|
|
else {
|
|
VarTemplateSpecializationDecl *Existing =
|
|
getSpecializations().GetOrInsertNode(D);
|
|
(void)Existing;
|
|
assert(Existing->isCanonicalDecl() && "Non-canonical specialization?");
|
|
}
|
|
if (ASTMutationListener *L = getASTMutationListener())
|
|
L->AddedCXXTemplateSpecialization(this, D);
|
|
}
|
|
|
|
VarTemplatePartialSpecializationDecl *
|
|
VarTemplateDecl::findPartialSpecialization(ArrayRef<TemplateArgument> Args,
|
|
void *&InsertPos) {
|
|
return findSpecializationImpl(getPartialSpecializations(), Args, InsertPos);
|
|
}
|
|
|
|
void VarTemplateDecl::AddPartialSpecialization(
|
|
VarTemplatePartialSpecializationDecl *D, void *InsertPos) {
|
|
if (InsertPos)
|
|
getPartialSpecializations().InsertNode(D, InsertPos);
|
|
else {
|
|
VarTemplatePartialSpecializationDecl *Existing =
|
|
getPartialSpecializations().GetOrInsertNode(D);
|
|
(void)Existing;
|
|
assert(Existing->isCanonicalDecl() && "Non-canonical specialization?");
|
|
}
|
|
|
|
if (ASTMutationListener *L = getASTMutationListener())
|
|
L->AddedCXXTemplateSpecialization(this, D);
|
|
}
|
|
|
|
void VarTemplateDecl::getPartialSpecializations(
|
|
SmallVectorImpl<VarTemplatePartialSpecializationDecl *> &PS) {
|
|
llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl> &PartialSpecs =
|
|
getPartialSpecializations();
|
|
PS.clear();
|
|
PS.reserve(PartialSpecs.size());
|
|
for (llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl>::iterator
|
|
P = PartialSpecs.begin(),
|
|
PEnd = PartialSpecs.end();
|
|
P != PEnd; ++P)
|
|
PS.push_back(P->getMostRecentDecl());
|
|
}
|
|
|
|
VarTemplatePartialSpecializationDecl *
|
|
VarTemplateDecl::findPartialSpecInstantiatedFromMember(
|
|
VarTemplatePartialSpecializationDecl *D) {
|
|
Decl *DCanon = D->getCanonicalDecl();
|
|
for (llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl>::iterator
|
|
P = getPartialSpecializations().begin(),
|
|
PEnd = getPartialSpecializations().end();
|
|
P != PEnd; ++P) {
|
|
if (P->getInstantiatedFromMember()->getCanonicalDecl() == DCanon)
|
|
return P->getMostRecentDecl();
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// VarTemplateSpecializationDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
VarTemplateSpecializationDecl::VarTemplateSpecializationDecl(
|
|
Kind DK, ASTContext &Context, DeclContext *DC, SourceLocation StartLoc,
|
|
SourceLocation IdLoc, VarTemplateDecl *SpecializedTemplate, QualType T,
|
|
TypeSourceInfo *TInfo, StorageClass S, const TemplateArgument *Args,
|
|
unsigned NumArgs)
|
|
: VarDecl(DK, Context, DC, StartLoc, IdLoc,
|
|
SpecializedTemplate->getIdentifier(), T, TInfo, S),
|
|
SpecializedTemplate(SpecializedTemplate), ExplicitInfo(nullptr),
|
|
TemplateArgs(TemplateArgumentList::CreateCopy(Context, Args, NumArgs)),
|
|
SpecializationKind(TSK_Undeclared) {}
|
|
|
|
VarTemplateSpecializationDecl::VarTemplateSpecializationDecl(Kind DK,
|
|
ASTContext &C)
|
|
: VarDecl(DK, C, nullptr, SourceLocation(), SourceLocation(), nullptr,
|
|
QualType(), nullptr, SC_None),
|
|
ExplicitInfo(nullptr), SpecializationKind(TSK_Undeclared) {}
|
|
|
|
VarTemplateSpecializationDecl *VarTemplateSpecializationDecl::Create(
|
|
ASTContext &Context, DeclContext *DC, SourceLocation StartLoc,
|
|
SourceLocation IdLoc, VarTemplateDecl *SpecializedTemplate, QualType T,
|
|
TypeSourceInfo *TInfo, StorageClass S, const TemplateArgument *Args,
|
|
unsigned NumArgs) {
|
|
return new (Context, DC) VarTemplateSpecializationDecl(
|
|
VarTemplateSpecialization, Context, DC, StartLoc, IdLoc,
|
|
SpecializedTemplate, T, TInfo, S, Args, NumArgs);
|
|
}
|
|
|
|
VarTemplateSpecializationDecl *
|
|
VarTemplateSpecializationDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
|
|
return new (C, ID)
|
|
VarTemplateSpecializationDecl(VarTemplateSpecialization, C);
|
|
}
|
|
|
|
void VarTemplateSpecializationDecl::getNameForDiagnostic(
|
|
raw_ostream &OS, const PrintingPolicy &Policy, bool Qualified) const {
|
|
NamedDecl::getNameForDiagnostic(OS, Policy, Qualified);
|
|
|
|
const TemplateArgumentList &TemplateArgs = getTemplateArgs();
|
|
TemplateSpecializationType::PrintTemplateArgumentList(
|
|
OS, TemplateArgs.data(), TemplateArgs.size(), Policy);
|
|
}
|
|
|
|
VarTemplateDecl *VarTemplateSpecializationDecl::getSpecializedTemplate() const {
|
|
if (SpecializedPartialSpecialization *PartialSpec =
|
|
SpecializedTemplate.dyn_cast<SpecializedPartialSpecialization *>())
|
|
return PartialSpec->PartialSpecialization->getSpecializedTemplate();
|
|
return SpecializedTemplate.get<VarTemplateDecl *>();
|
|
}
|
|
|
|
void VarTemplateSpecializationDecl::setTemplateArgsInfo(
|
|
const TemplateArgumentListInfo &ArgsInfo) {
|
|
unsigned N = ArgsInfo.size();
|
|
TemplateArgsInfo.setLAngleLoc(ArgsInfo.getLAngleLoc());
|
|
TemplateArgsInfo.setRAngleLoc(ArgsInfo.getRAngleLoc());
|
|
for (unsigned I = 0; I != N; ++I)
|
|
TemplateArgsInfo.addArgument(ArgsInfo[I]);
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// VarTemplatePartialSpecializationDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
void VarTemplatePartialSpecializationDecl::anchor() {}
|
|
|
|
VarTemplatePartialSpecializationDecl::VarTemplatePartialSpecializationDecl(
|
|
ASTContext &Context, DeclContext *DC, SourceLocation StartLoc,
|
|
SourceLocation IdLoc, TemplateParameterList *Params,
|
|
VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo,
|
|
StorageClass S, const TemplateArgument *Args, unsigned NumArgs,
|
|
const ASTTemplateArgumentListInfo *ArgInfos)
|
|
: VarTemplateSpecializationDecl(VarTemplatePartialSpecialization, Context,
|
|
DC, StartLoc, IdLoc, SpecializedTemplate, T,
|
|
TInfo, S, Args, NumArgs),
|
|
TemplateParams(Params), ArgsAsWritten(ArgInfos),
|
|
InstantiatedFromMember(nullptr, false) {
|
|
// TODO: The template parameters should be in DC by now. Verify.
|
|
// AdoptTemplateParameterList(Params, DC);
|
|
}
|
|
|
|
VarTemplatePartialSpecializationDecl *
|
|
VarTemplatePartialSpecializationDecl::Create(
|
|
ASTContext &Context, DeclContext *DC, SourceLocation StartLoc,
|
|
SourceLocation IdLoc, TemplateParameterList *Params,
|
|
VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo,
|
|
StorageClass S, const TemplateArgument *Args, unsigned NumArgs,
|
|
const TemplateArgumentListInfo &ArgInfos) {
|
|
const ASTTemplateArgumentListInfo *ASTArgInfos
|
|
= ASTTemplateArgumentListInfo::Create(Context, ArgInfos);
|
|
|
|
VarTemplatePartialSpecializationDecl *Result =
|
|
new (Context, DC) VarTemplatePartialSpecializationDecl(
|
|
Context, DC, StartLoc, IdLoc, Params, SpecializedTemplate, T, TInfo,
|
|
S, Args, NumArgs, ASTArgInfos);
|
|
Result->setSpecializationKind(TSK_ExplicitSpecialization);
|
|
return Result;
|
|
}
|
|
|
|
VarTemplatePartialSpecializationDecl *
|
|
VarTemplatePartialSpecializationDecl::CreateDeserialized(ASTContext &C,
|
|
unsigned ID) {
|
|
return new (C, ID) VarTemplatePartialSpecializationDecl(C);
|
|
}
|