forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			769 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			769 lines
		
	
	
		
			32 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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 | 
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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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 | 
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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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 | 
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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;
 | 
						|
  C.AddDeallocation(DeallocateCommon, CommonPtr);
 | 
						|
  return CommonPtr;
 | 
						|
}
 | 
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 | 
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ClassTemplateSpecializationDecl *
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ClassTemplateDecl::findSpecialization(const TemplateArgument *Args,
 | 
						|
                                      unsigned NumArgs, void *&InsertPos) {
 | 
						|
  return findSpecializationImpl(getSpecializations(), Args, NumArgs, InsertPos);
 | 
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}
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 | 
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void ClassTemplateDecl::AddSpecialization(ClassTemplateSpecializationDecl *D,
 | 
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                                          void *InsertPos) {
 | 
						|
  getSpecializations().InsertNode(D, InsertPos);
 | 
						|
  if (ASTMutationListener *L = getASTMutationListener())
 | 
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    L->AddedCXXTemplateSpecialization(this, D);
 | 
						|
}
 | 
						|
 | 
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ClassTemplatePartialSpecializationDecl *
 | 
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ClassTemplateDecl::findPartialSpecialization(const TemplateArgument *Args,
 | 
						|
                                             unsigned NumArgs,
 | 
						|
                                             void *&InsertPos) {
 | 
						|
  return findSpecializationImpl(getPartialSpecializations(), Args, NumArgs,
 | 
						|
                                InsertPos);
 | 
						|
}
 | 
						|
 | 
						|
void ClassTemplateDecl::AddPartialSpecialization(
 | 
						|
                                      ClassTemplatePartialSpecializationDecl *D,
 | 
						|
                                      void *InsertPos) {
 | 
						|
  getPartialSpecializations().InsertNode(D, InsertPos);
 | 
						|
  if (ASTMutationListener *L = getASTMutationListener())
 | 
						|
    L->AddedCXXTemplateSpecialization(this, D);
 | 
						|
}
 | 
						|
 | 
						|
void ClassTemplateDecl::getPartialSpecializations(
 | 
						|
          llvm::SmallVectorImpl<ClassTemplatePartialSpecializationDecl *> &PS) {
 | 
						|
  llvm::FoldingSet<ClassTemplatePartialSpecializationDecl> &PartialSpecs
 | 
						|
    = getPartialSpecializations();
 | 
						|
  PS.clear();
 | 
						|
  PS.resize(PartialSpecs.size());
 | 
						|
  for (llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator
 | 
						|
       P = PartialSpecs.begin(), PEnd = PartialSpecs.end();
 | 
						|
       P != PEnd; ++P) {
 | 
						|
    assert(!PS[P->getSequenceNumber()]);
 | 
						|
    PS[P->getSequenceNumber()] = P->getMostRecentDeclaration();
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
ClassTemplatePartialSpecializationDecl *
 | 
						|
ClassTemplateDecl::findPartialSpecialization(QualType T) {
 | 
						|
  ASTContext &Context = getASTContext();
 | 
						|
  typedef llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator
 | 
						|
    partial_spec_iterator;
 | 
						|
  for (partial_spec_iterator P = getPartialSpecializations().begin(),
 | 
						|
                          PEnd = getPartialSpecializations().end();
 | 
						|
       P != PEnd; ++P) {
 | 
						|
    if (Context.hasSameType(P->getInjectedSpecializationType(), T))
 | 
						|
      return P->getMostRecentDeclaration();
 | 
						|
  }
 | 
						|
 | 
						|
  return 0;
 | 
						|
}
 | 
						|
 | 
						|
ClassTemplatePartialSpecializationDecl *
 | 
						|
ClassTemplateDecl::findPartialSpecInstantiatedFromMember(
 | 
						|
                                    ClassTemplatePartialSpecializationDecl *D) {
 | 
						|
  Decl *DCanon = D->getCanonicalDecl();
 | 
						|
  for (llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator
 | 
						|
            P = getPartialSpecializations().begin(),
 | 
						|
         PEnd = getPartialSpecializations().end();
 | 
						|
       P != PEnd; ++P) {
 | 
						|
    if (P->getInstantiatedFromMember()->getCanonicalDecl() == DCanon)
 | 
						|
      return P->getMostRecentDeclaration();
 | 
						|
  }
 | 
						|
 | 
						|
  return 0;
 | 
						|
}
 | 
						|
 | 
						|
QualType
 | 
						|
ClassTemplateDecl::getInjectedClassNameSpecialization() {
 | 
						|
  Common *CommonPtr = getCommonPtr();
 | 
						|
  if (!CommonPtr->InjectedClassNameType.isNull())
 | 
						|
    return CommonPtr->InjectedClassNameType;
 | 
						|
 | 
						|
  // C++0x [temp.dep.type]p2:
 | 
						|
  //  The template argument list of a primary template is a template argument 
 | 
						|
  //  list in which the nth template argument has the value of the nth template
 | 
						|
  //  parameter of the class template. If the nth template parameter is a 
 | 
						|
  //  template parameter pack (14.5.3), the nth template argument is a pack 
 | 
						|
  //  expansion (14.5.3) whose pattern is the name of the template parameter 
 | 
						|
  //  pack.
 | 
						|
  ASTContext &Context = getASTContext();
 | 
						|
  TemplateParameterList *Params = getTemplateParameters();
 | 
						|
  llvm::SmallVector<TemplateArgument, 16> TemplateArgs;
 | 
						|
  TemplateArgs.resize(Params->size());
 | 
						|
  GenerateInjectedTemplateArgs(getASTContext(), Params, TemplateArgs.data());
 | 
						|
  CommonPtr->InjectedClassNameType
 | 
						|
    = Context.getTemplateSpecializationType(TemplateName(this),
 | 
						|
                                            &TemplateArgs[0],
 | 
						|
                                            TemplateArgs.size());
 | 
						|
  return CommonPtr->InjectedClassNameType;
 | 
						|
}
 | 
						|
 | 
						|
//===----------------------------------------------------------------------===//
 | 
						|
// TemplateTypeParm Allocation/Deallocation Method Implementations
 | 
						|
//===----------------------------------------------------------------------===//
 | 
						|
 | 
						|
TemplateTypeParmDecl *
 | 
						|
TemplateTypeParmDecl::Create(const ASTContext &C, DeclContext *DC,
 | 
						|
                             SourceLocation KeyLoc, SourceLocation NameLoc,
 | 
						|
                             unsigned D, unsigned P, IdentifierInfo *Id,
 | 
						|
                             bool Typename, bool ParameterPack) {
 | 
						|
  TemplateTypeParmDecl *TTPDecl =
 | 
						|
    new (C) TemplateTypeParmDecl(DC, KeyLoc, NameLoc, Id, Typename);
 | 
						|
  QualType TTPType = C.getTemplateTypeParmType(D, P, ParameterPack, TTPDecl);
 | 
						|
  TTPDecl->TypeForDecl = TTPType.getTypePtr();
 | 
						|
  return TTPDecl;
 | 
						|
}
 | 
						|
 | 
						|
TemplateTypeParmDecl *
 | 
						|
TemplateTypeParmDecl::Create(const ASTContext &C, EmptyShell Empty) {
 | 
						|
  return new (C) TemplateTypeParmDecl(0, SourceLocation(), SourceLocation(),
 | 
						|
                                      0, false);
 | 
						|
}
 | 
						|
 | 
						|
SourceLocation TemplateTypeParmDecl::getDefaultArgumentLoc() const {
 | 
						|
  return hasDefaultArgument()
 | 
						|
    ? DefaultArgument->getTypeLoc().getBeginLoc()
 | 
						|
    : SourceLocation();
 | 
						|
}
 | 
						|
 | 
						|
SourceRange TemplateTypeParmDecl::getSourceRange() const {
 | 
						|
  if (hasDefaultArgument() && !defaultArgumentWasInherited())
 | 
						|
    return SourceRange(getLocStart(),
 | 
						|
                       DefaultArgument->getTypeLoc().getEndLoc());
 | 
						|
  else
 | 
						|
    return TypeDecl::getSourceRange();
 | 
						|
}
 | 
						|
 | 
						|
unsigned TemplateTypeParmDecl::getDepth() const {
 | 
						|
  return TypeForDecl->getAs<TemplateTypeParmType>()->getDepth();
 | 
						|
}
 | 
						|
 | 
						|
unsigned TemplateTypeParmDecl::getIndex() const {
 | 
						|
  return TypeForDecl->getAs<TemplateTypeParmType>()->getIndex();
 | 
						|
}
 | 
						|
 | 
						|
bool TemplateTypeParmDecl::isParameterPack() const {
 | 
						|
  return TypeForDecl->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(0, 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) 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 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);
 | 
						|
}
 | 
						|
 | 
						|
//===----------------------------------------------------------------------===//
 | 
						|
// TypeAliasTemplateDecl Implementation
 | 
						|
//===----------------------------------------------------------------------===//
 | 
						|
 | 
						|
TypeAliasTemplateDecl *TypeAliasTemplateDecl::Create(ASTContext &C,
 | 
						|
                                                     DeclContext *DC,
 | 
						|
                                                     SourceLocation L,
 | 
						|
                                                     DeclarationName Name,
 | 
						|
                                                  TemplateParameterList *Params,
 | 
						|
                                                     NamedDecl *Decl) {
 | 
						|
  AdoptTemplateParameterList(Params, DC);
 | 
						|
  return new (C) TypeAliasTemplateDecl(DC, L, Name, Params, Decl);
 | 
						|
}
 | 
						|
 | 
						|
TypeAliasTemplateDecl *TypeAliasTemplateDecl::Create(ASTContext &C,
 | 
						|
                                                     EmptyShell) {
 | 
						|
  return new (C) TypeAliasTemplateDecl(0, SourceLocation(), DeclarationName(),
 | 
						|
                                       0, 0);
 | 
						|
}
 | 
						|
 | 
						|
void TypeAliasTemplateDecl::DeallocateCommon(void *Ptr) {
 | 
						|
  static_cast<Common *>(Ptr)->~Common();
 | 
						|
}
 | 
						|
RedeclarableTemplateDecl::CommonBase *
 | 
						|
TypeAliasTemplateDecl::newCommon(ASTContext &C) {
 | 
						|
  Common *CommonPtr = new (C) Common;
 | 
						|
  C.AddDeallocation(DeallocateCommon, CommonPtr);
 | 
						|
  return CommonPtr;
 | 
						|
}
 | 
						|
 |