mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2024-12-01 01:31:26 +00:00
725 lines
30 KiB
C++
725 lines
30 KiB
C++
//===--- DeclTemplate.cpp - Template Declaration AST Node Implementation --===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the C++ related Decl classes for templates.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/AST/DeclCXX.h"
|
|
#include "clang/AST/DeclTemplate.h"
|
|
#include "clang/AST/Expr.h"
|
|
#include "clang/AST/ExprCXX.h"
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/AST/TypeLoc.h"
|
|
#include "clang/AST/ASTMutationListener.h"
|
|
#include "clang/Basic/IdentifierTable.h"
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include <memory>
|
|
using namespace clang;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// TemplateParameterList Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
TemplateParameterList::TemplateParameterList(SourceLocation TemplateLoc,
|
|
SourceLocation LAngleLoc,
|
|
NamedDecl **Params, unsigned NumParams,
|
|
SourceLocation RAngleLoc)
|
|
: TemplateLoc(TemplateLoc), LAngleLoc(LAngleLoc), RAngleLoc(RAngleLoc),
|
|
NumParams(NumParams) {
|
|
for (unsigned Idx = 0; Idx < NumParams; ++Idx)
|
|
begin()[Idx] = Params[Idx];
|
|
}
|
|
|
|
TemplateParameterList *
|
|
TemplateParameterList::Create(const ASTContext &C, SourceLocation TemplateLoc,
|
|
SourceLocation LAngleLoc, NamedDecl **Params,
|
|
unsigned NumParams, SourceLocation RAngleLoc) {
|
|
unsigned Size = sizeof(TemplateParameterList)
|
|
+ sizeof(NamedDecl *) * NumParams;
|
|
unsigned Align = llvm::AlignOf<TemplateParameterList>::Alignment;
|
|
void *Mem = C.Allocate(Size, Align);
|
|
return new (Mem) TemplateParameterList(TemplateLoc, LAngleLoc, Params,
|
|
NumParams, RAngleLoc);
|
|
}
|
|
|
|
unsigned TemplateParameterList::getMinRequiredArguments() const {
|
|
unsigned NumRequiredArgs = 0;
|
|
for (iterator P = const_cast<TemplateParameterList *>(this)->begin(),
|
|
PEnd = const_cast<TemplateParameterList *>(this)->end();
|
|
P != PEnd; ++P) {
|
|
if ((*P)->isTemplateParameterPack()) {
|
|
if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P))
|
|
if (NTTP->isExpandedParameterPack()) {
|
|
NumRequiredArgs += NTTP->getNumExpansionTypes();
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) {
|
|
if (TTP->hasDefaultArgument())
|
|
break;
|
|
} else if (NonTypeTemplateParmDecl *NTTP
|
|
= dyn_cast<NonTypeTemplateParmDecl>(*P)) {
|
|
if (NTTP->hasDefaultArgument())
|
|
break;
|
|
} else if (cast<TemplateTemplateParmDecl>(*P)->hasDefaultArgument())
|
|
break;
|
|
|
|
++NumRequiredArgs;
|
|
}
|
|
|
|
return NumRequiredArgs;
|
|
}
|
|
|
|
unsigned TemplateParameterList::getDepth() const {
|
|
if (size() == 0)
|
|
return 0;
|
|
|
|
const NamedDecl *FirstParm = getParam(0);
|
|
if (const TemplateTypeParmDecl *TTP
|
|
= dyn_cast<TemplateTypeParmDecl>(FirstParm))
|
|
return TTP->getDepth();
|
|
else if (const NonTypeTemplateParmDecl *NTTP
|
|
= dyn_cast<NonTypeTemplateParmDecl>(FirstParm))
|
|
return NTTP->getDepth();
|
|
else
|
|
return cast<TemplateTemplateParmDecl>(FirstParm)->getDepth();
|
|
}
|
|
|
|
static void AdoptTemplateParameterList(TemplateParameterList *Params,
|
|
DeclContext *Owner) {
|
|
for (TemplateParameterList::iterator P = Params->begin(),
|
|
PEnd = Params->end();
|
|
P != PEnd; ++P) {
|
|
(*P)->setDeclContext(Owner);
|
|
|
|
if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(*P))
|
|
AdoptTemplateParameterList(TTP->getTemplateParameters(), Owner);
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// RedeclarableTemplateDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
RedeclarableTemplateDecl::CommonBase *RedeclarableTemplateDecl::getCommonPtr() {
|
|
// Find the first declaration of this function template.
|
|
RedeclarableTemplateDecl *First = getCanonicalDecl();
|
|
|
|
if (First->CommonOrPrev.isNull()) {
|
|
CommonBase *CommonPtr = First->newCommon(getASTContext());
|
|
First->CommonOrPrev = CommonPtr;
|
|
CommonPtr->Latest = First;
|
|
}
|
|
return First->CommonOrPrev.get<CommonBase*>();
|
|
}
|
|
|
|
|
|
RedeclarableTemplateDecl *RedeclarableTemplateDecl::getCanonicalDeclImpl() {
|
|
RedeclarableTemplateDecl *Tmpl = this;
|
|
while (Tmpl->getPreviousDeclaration())
|
|
Tmpl = Tmpl->getPreviousDeclaration();
|
|
return Tmpl;
|
|
}
|
|
|
|
void RedeclarableTemplateDecl::setPreviousDeclarationImpl(
|
|
RedeclarableTemplateDecl *Prev) {
|
|
if (Prev) {
|
|
CommonBase *Common = Prev->getCommonPtr();
|
|
Prev = Common->Latest;
|
|
Common->Latest = this;
|
|
CommonOrPrev = Prev;
|
|
} else {
|
|
assert(CommonOrPrev.is<CommonBase*>() && "Cannot reset TemplateDecl Prev");
|
|
}
|
|
}
|
|
|
|
RedeclarableTemplateDecl *RedeclarableTemplateDecl::getNextRedeclaration() {
|
|
if (CommonOrPrev.is<RedeclarableTemplateDecl*>())
|
|
return CommonOrPrev.get<RedeclarableTemplateDecl*>();
|
|
CommonBase *Common = CommonOrPrev.get<CommonBase*>();
|
|
return Common ? Common->Latest : this;
|
|
}
|
|
|
|
template <class EntryType>
|
|
typename RedeclarableTemplateDecl::SpecEntryTraits<EntryType>::DeclType*
|
|
RedeclarableTemplateDecl::findSpecializationImpl(
|
|
llvm::FoldingSet<EntryType> &Specs,
|
|
const TemplateArgument *Args, unsigned NumArgs,
|
|
void *&InsertPos) {
|
|
typedef SpecEntryTraits<EntryType> SETraits;
|
|
llvm::FoldingSetNodeID ID;
|
|
EntryType::Profile(ID,Args,NumArgs, getASTContext());
|
|
EntryType *Entry = Specs.FindNodeOrInsertPos(ID, InsertPos);
|
|
return Entry ? SETraits::getMostRecentDeclaration(Entry) : 0;
|
|
}
|
|
|
|
/// \brief Generate the injected template arguments for the given template
|
|
/// parameter list, e.g., for the injected-class-name of a class template.
|
|
static void GenerateInjectedTemplateArgs(ASTContext &Context,
|
|
TemplateParameterList *Params,
|
|
TemplateArgument *Args) {
|
|
for (TemplateParameterList::iterator Param = Params->begin(),
|
|
ParamEnd = Params->end();
|
|
Param != ParamEnd; ++Param) {
|
|
TemplateArgument Arg;
|
|
if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*Param)) {
|
|
QualType ArgType = Context.getTypeDeclType(TTP);
|
|
if (TTP->isParameterPack())
|
|
ArgType = Context.getPackExpansionType(ArgType,
|
|
llvm::Optional<unsigned>());
|
|
|
|
Arg = TemplateArgument(ArgType);
|
|
} else if (NonTypeTemplateParmDecl *NTTP =
|
|
dyn_cast<NonTypeTemplateParmDecl>(*Param)) {
|
|
Expr *E = new (Context) DeclRefExpr(NTTP,
|
|
NTTP->getType().getNonLValueExprType(Context),
|
|
Expr::getValueKindForType(NTTP->getType()),
|
|
NTTP->getLocation());
|
|
|
|
if (NTTP->isParameterPack())
|
|
E = new (Context) PackExpansionExpr(Context.DependentTy, E,
|
|
NTTP->getLocation(),
|
|
llvm::Optional<unsigned>());
|
|
Arg = TemplateArgument(E);
|
|
} else {
|
|
TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*Param);
|
|
if (TTP->isParameterPack())
|
|
Arg = TemplateArgument(TemplateName(TTP), llvm::Optional<unsigned>());
|
|
else
|
|
Arg = TemplateArgument(TemplateName(TTP));
|
|
}
|
|
|
|
if ((*Param)->isTemplateParameterPack())
|
|
Arg = TemplateArgument::CreatePackCopy(Context, &Arg, 1);
|
|
|
|
*Args++ = Arg;
|
|
}
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// FunctionTemplateDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void FunctionTemplateDecl::DeallocateCommon(void *Ptr) {
|
|
static_cast<Common *>(Ptr)->~Common();
|
|
}
|
|
|
|
FunctionTemplateDecl *FunctionTemplateDecl::Create(ASTContext &C,
|
|
DeclContext *DC,
|
|
SourceLocation L,
|
|
DeclarationName Name,
|
|
TemplateParameterList *Params,
|
|
NamedDecl *Decl) {
|
|
AdoptTemplateParameterList(Params, cast<DeclContext>(Decl));
|
|
return new (C) FunctionTemplateDecl(DC, L, Name, Params, Decl);
|
|
}
|
|
|
|
FunctionTemplateDecl *FunctionTemplateDecl::Create(ASTContext &C, EmptyShell) {
|
|
return new (C) FunctionTemplateDecl(0, SourceLocation(), DeclarationName(),
|
|
0, 0);
|
|
}
|
|
|
|
RedeclarableTemplateDecl::CommonBase *
|
|
FunctionTemplateDecl::newCommon(ASTContext &C) {
|
|
Common *CommonPtr = new (C) Common;
|
|
C.AddDeallocation(DeallocateCommon, CommonPtr);
|
|
return CommonPtr;
|
|
}
|
|
|
|
FunctionDecl *
|
|
FunctionTemplateDecl::findSpecialization(const TemplateArgument *Args,
|
|
unsigned NumArgs, void *&InsertPos) {
|
|
return findSpecializationImpl(getSpecializations(), Args, NumArgs, InsertPos);
|
|
}
|
|
|
|
std::pair<const TemplateArgument *, unsigned>
|
|
FunctionTemplateDecl::getInjectedTemplateArgs() {
|
|
TemplateParameterList *Params = getTemplateParameters();
|
|
Common *CommonPtr = getCommonPtr();
|
|
if (!CommonPtr->InjectedArgs) {
|
|
CommonPtr->InjectedArgs
|
|
= new (getASTContext()) TemplateArgument [Params->size()];
|
|
GenerateInjectedTemplateArgs(getASTContext(), Params,
|
|
CommonPtr->InjectedArgs);
|
|
}
|
|
|
|
return std::make_pair(CommonPtr->InjectedArgs, Params->size());
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// ClassTemplateDecl Implementation
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void ClassTemplateDecl::DeallocateCommon(void *Ptr) {
|
|
static_cast<Common *>(Ptr)->~Common();
|
|
}
|
|
|
|
ClassTemplateDecl *ClassTemplateDecl::Create(ASTContext &C,
|
|
DeclContext *DC,
|
|
SourceLocation L,
|
|
DeclarationName Name,
|
|
TemplateParameterList *Params,
|
|
NamedDecl *Decl,
|
|
ClassTemplateDecl *PrevDecl) {
|
|
AdoptTemplateParameterList(Params, cast<DeclContext>(Decl));
|
|
ClassTemplateDecl *New = new (C) ClassTemplateDecl(DC, L, Name, Params, Decl);
|
|
New->setPreviousDeclaration(PrevDecl);
|
|
return New;
|
|
}
|
|
|
|
ClassTemplateDecl *ClassTemplateDecl::Create(ASTContext &C, EmptyShell Empty) {
|
|
return new (C) ClassTemplateDecl(Empty);
|
|
}
|
|
|
|
void ClassTemplateDecl::LoadLazySpecializations() {
|
|
Common *CommonPtr = getCommonPtr();
|
|
if (CommonPtr->LazySpecializations) {
|
|
ASTContext &Context = getASTContext();
|
|
uint32_t *Specs = CommonPtr->LazySpecializations;
|
|
CommonPtr->LazySpecializations = 0;
|
|
for (uint32_t I = 0, N = *Specs++; I != N; ++I)
|
|
(void)Context.getExternalSource()->GetExternalDecl(Specs[I]);
|
|
}
|
|
}
|
|
|
|
llvm::FoldingSet<ClassTemplateSpecializationDecl> &
|
|
ClassTemplateDecl::getSpecializations() {
|
|
LoadLazySpecializations();
|
|
return getCommonPtr()->Specializations;
|
|
}
|
|
|
|
llvm::FoldingSet<ClassTemplatePartialSpecializationDecl> &
|
|
ClassTemplateDecl::getPartialSpecializations() {
|
|
LoadLazySpecializations();
|
|
return getCommonPtr()->PartialSpecializations;
|
|
}
|
|
|
|
RedeclarableTemplateDecl::CommonBase *
|
|
ClassTemplateDecl::newCommon(ASTContext &C) {
|
|
Common *CommonPtr = new (C) Common;
|
|
C.AddDeallocation(DeallocateCommon, CommonPtr);
|
|
return CommonPtr;
|
|
}
|
|
|
|
ClassTemplateSpecializationDecl *
|
|
ClassTemplateDecl::findSpecialization(const TemplateArgument *Args,
|
|
unsigned NumArgs, void *&InsertPos) {
|
|
return findSpecializationImpl(getSpecializations(), Args, NumArgs, InsertPos);
|
|
}
|
|
|
|
void ClassTemplateDecl::AddSpecialization(ClassTemplateSpecializationDecl *D,
|
|
void *InsertPos) {
|
|
getSpecializations().InsertNode(D, InsertPos);
|
|
if (ASTMutationListener *L = getASTMutationListener())
|
|
L->AddedCXXTemplateSpecialization(this, D);
|
|
}
|
|
|
|
ClassTemplatePartialSpecializationDecl *
|
|
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) {
|
|
QualType Type = C.getTemplateTypeParmType(D, P, ParameterPack, Id);
|
|
return new (C) TemplateTypeParmDecl(DC, KeyLoc, NameLoc, Id, Typename,
|
|
Type, ParameterPack);
|
|
}
|
|
|
|
TemplateTypeParmDecl *
|
|
TemplateTypeParmDecl::Create(const ASTContext &C, EmptyShell Empty) {
|
|
return new (C) TemplateTypeParmDecl(0, SourceLocation(), SourceLocation(),
|
|
0, false, QualType(), 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();
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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);
|
|
}
|