28 #include "llvm/ADT/ArrayRef.h" 29 #include "llvm/ADT/FoldingSet.h" 30 #include "llvm/ADT/None.h" 31 #include "llvm/ADT/PointerUnion.h" 32 #include "llvm/ADT/SmallVector.h" 33 #include "llvm/Support/Casting.h" 34 #include "llvm/Support/ErrorHandling.h" 41 using namespace clang;
52 : TemplateLoc(TemplateLoc), LAngleLoc(LAngleLoc), RAngleLoc(RAngleLoc),
53 NumParams(Params.size()), ContainsUnexpandedParameterPack(
false),
54 HasRequiresClause(static_cast<
bool>(RequiresClause)) {
55 for (
unsigned Idx = 0; Idx < NumParams; ++Idx) {
60 if (
const auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(P))
61 if (NTTP->getType()->containsUnexpandedParameterPack())
62 ContainsUnexpandedParameterPack =
true;
64 if (
const auto *TTP = dyn_cast<TemplateTemplateParmDecl>(P))
65 if (TTP->getTemplateParameters()->containsUnexpandedParameterPack())
66 ContainsUnexpandedParameterPack =
true;
73 *getTrailingObjects<Expr *>() = RequiresClause;
82 void *Mem = C.
Allocate(totalSizeToAlloc<NamedDecl *, Expr *>(
83 Params.size(), RequiresClause ? 1u : 0u),
86 RAngleLoc, RequiresClause);
90 unsigned NumRequiredArgs = 0;
92 if (
P->isTemplateParameterPack()) {
93 if (
const auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(
P))
94 if (NTTP->isExpandedParameterPack()) {
95 NumRequiredArgs += NTTP->getNumExpansionTypes();
102 if (
const auto *TTP = dyn_cast<TemplateTypeParmDecl>(
P)) {
103 if (TTP->hasDefaultArgument())
105 }
else if (
const auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(
P)) {
106 if (NTTP->hasDefaultArgument())
108 }
else if (cast<TemplateTemplateParmDecl>(
P)->hasDefaultArgument())
114 return NumRequiredArgs;
122 if (
const auto *TTP = dyn_cast<TemplateTypeParmDecl>(FirstParm))
123 return TTP->getDepth();
124 else if (
const auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(FirstParm))
125 return NTTP->getDepth();
127 return cast<TemplateTemplateParmDecl>(FirstParm)->
getDepth();
133 P->setDeclContext(Owner);
135 if (
const auto *TTP = dyn_cast<TemplateTemplateParmDecl>(
P))
143 return new (
C)
char[
sizeof(
void*) * 2];
152 void RedeclarableTemplateDecl::anchor() {}
164 Common = Prev->Common;
168 PrevDecls.push_back(Prev);
176 Common = newCommon(getASTContext());
181 Prev->Common = Common;
189 CommonBase *CommonBasePtr = getMostRecentDecl()->getCommonPtr();
194 for (uint32_t I = 0, N = *Specs++; I != N; ++I)
199 template<
class EntryType>
206 llvm::FoldingSetNodeID
ID;
207 EntryType::Profile(ID, Args, getASTContext());
208 EntryType *Entry = Specs.FindNodeOrInsertPos(ID, InsertPos);
209 return Entry ? SETraits::getDecl(Entry)->getMostRecentDecl() :
nullptr;
212 template<
class Derived,
class EntryType>
214 llvm::FoldingSetVector<EntryType> &Specializations, EntryType *Entry,
220 void *CorrectInsertPos;
221 assert(!findSpecializationImpl(Specializations,
222 SETraits::getTemplateArgs(Entry),
224 InsertPos == CorrectInsertPos &&
225 "given incorrect InsertPos for specialization");
227 Specializations.InsertNode(Entry, InsertPos);
229 EntryType *Existing = Specializations.GetOrInsertNode(Entry);
231 assert(SETraits::getDecl(Existing)->isCanonicalDecl() &&
232 "non-canonical specialization?");
236 L->AddedCXXTemplateSpecialization(cast<Derived>(
this),
237 SETraits::getDecl(Entry));
262 auto *CommonPtr =
new (
C)
Common;
268 loadLazySpecializationsImpl();
271 llvm::FoldingSetVector<FunctionTemplateSpecializationInfo> &
273 LoadLazySpecializations();
274 return getCommonPtr()->Specializations;
280 return findSpecializationImpl(getSpecializations(), Args, InsertPos);
285 addSpecializationImpl<FunctionTemplateDecl>(getSpecializations(), Info,
291 Common *CommonPtr = getCommonPtr();
293 auto &Context = getASTContext();
298 std::copy(TemplateArgs.begin(), TemplateArgs.end(),
313 Common *ThisCommon =
static_cast<Common *
>(Base::Common);
314 Common *PrevCommon =
nullptr;
317 if (Prev->Base::Common) {
318 PrevCommon =
static_cast<Common *
>(Prev->Base::Common);
321 PreviousDecls.push_back(Prev);
327 for (
auto *D : PreviousDecls)
328 D->Base::Common = ThisCommon;
334 "Can't merge incompatible declarations!");
336 Base::Common = PrevCommon;
349 Expr *AssociatedConstraints) {
352 if (!AssociatedConstraints) {
370 loadLazySpecializationsImpl();
373 llvm::FoldingSetVector<ClassTemplateSpecializationDecl> &
375 LoadLazySpecializations();
376 return getCommonPtr()->Specializations;
379 llvm::FoldingSetVector<ClassTemplatePartialSpecializationDecl> &
381 LoadLazySpecializations();
382 return getCommonPtr()->PartialSpecializations;
387 auto *CommonPtr =
new (
C)
Common;
395 return findSpecializationImpl(getSpecializations(), Args, InsertPos);
400 addSpecializationImpl<ClassTemplateDecl>(getSpecializations(), D, InsertPos);
406 return findSpecializationImpl(getPartialSpecializations(), Args, InsertPos);
413 getPartialSpecializations().InsertNode(D, InsertPos);
416 = getPartialSpecializations().GetOrInsertNode(D);
418 assert(Existing->
isCanonicalDecl() &&
"Non-canonical specialization?");
422 L->AddedCXXTemplateSpecialization(
this, D);
427 llvm::FoldingSetVector<ClassTemplatePartialSpecializationDecl> &PartialSpecs
428 = getPartialSpecializations();
430 PS.reserve(PartialSpecs.size());
432 PS.push_back(
P.getMostRecentDecl());
439 getPartialSpecializations()) {
440 if (Context.
hasSameType(
P.getInjectedSpecializationType(), T))
441 return P.getMostRecentDecl();
452 if (
P.getInstantiatedFromMember()->getCanonicalDecl() == DCanon)
453 return P.getMostRecentDecl();
461 Common *CommonPtr = getCommonPtr();
490 bool Typename,
bool ParameterPack) {
494 TTPDecl->setTypeForDecl(TTPType.
getTypePtr());
505 return hasDefaultArgument()
506 ? getDefaultArgumentInfo()->getTypeLoc().getBeginLoc()
511 if (hasDefaultArgument() && !defaultArgumentWasInherited())
513 getDefaultArgumentInfo()->getTypeLoc().getEndLoc());
534 NonTypeTemplateParmDecl::NonTypeTemplateParmDecl(
538 :
DeclaratorDecl(NonTypeTemplateParm, DC, IdLoc, Id, T, TInfo, StartLoc),
540 ExpandedParameterPack(
true), NumExpandedTypes(ExpandedTypes.size()) {
541 if (!ExpandedTypes.empty() && !ExpandedTInfos.empty()) {
543 getTrailingObjects<std::pair<QualType, TypeSourceInfo *>>();
544 for (
unsigned I = 0; I != NumExpandedTypes; ++I) {
545 new (&TypesAndInfos[I].first)
QualType(ExpandedTypes[I]);
546 TypesAndInfos[I].second = ExpandedTInfos[I];
558 T, ParameterPack, TInfo);
567 additionalSizeToAlloc<std::pair<QualType, TypeSourceInfo *>>(
568 ExpandedTypes.size()))
570 ExpandedTypes, ExpandedTInfos);
582 unsigned NumExpandedTypes) {
584 new (
C,
ID, additionalSizeToAlloc<std::pair<QualType, TypeSourceInfo *>>(
589 NTTP->NumExpandedTypes = NumExpandedTypes;
594 if (hasDefaultArgument() && !defaultArgumentWasInherited())
601 return hasDefaultArgument()
602 ? getDefaultArgument()->getSourceRange().getBegin()
610 void TemplateTemplateParmDecl::anchor() {}
612 TemplateTemplateParmDecl::TemplateTemplateParmDecl(
616 :
TemplateDecl(TemplateTemplateParm, DC, L, Id, Params),
618 ExpandedParameterPack(
true), NumExpandedParams(Expansions.size()) {
619 if (!Expansions.empty())
620 std::uninitialized_copy(Expansions.begin(), Expansions.end(),
621 getTrailingObjects<TemplateParameterList *>());
640 additionalSizeToAlloc<TemplateParameterList *>(Expansions.size()))
647 false,
nullptr,
nullptr);
652 unsigned NumExpansions) {
654 new (
C,
ID, additionalSizeToAlloc<TemplateParameterList *>(NumExpansions))
657 TTP->NumExpandedParams = NumExpansions;
662 return hasDefaultArgument() ? getDefaultArgument().getLocation()
669 DefaultArgument.set(
nullptr);
678 : Arguments(getTrailingObjects<TemplateArgument>()),
679 NumArguments(Args.size()) {
680 std::uninitialized_copy(Args.begin(), Args.end(),
681 getTrailingObjects<TemplateArgument>());
687 void *Mem = Context.
Allocate(totalSizeToAlloc<TemplateArgument>(Args.size()));
699 if (TemplateArgsAsWritten)
701 *TemplateArgsAsWritten);
713 void TemplateDecl::anchor() {}
728 SpecializedTemplate(SpecializedTemplate),
749 Context, ClassTemplateSpecialization, TK, DC, StartLoc, IdLoc,
750 SpecializedTemplate, Args, PrevDecl);
751 Result->setMayHaveOutOfDateDef(
false);
762 Result->setMayHaveOutOfDateDef(
false);
767 raw_ostream &OS,
const PrintingPolicy &Policy,
bool Qualified)
const {
772 PS ? PS->getTemplateArgsAsWritten() :
nullptr) {
782 if (
const auto *PartialSpec =
783 SpecializedTemplate.dyn_cast<SpecializedPartialSpecialization*>())
784 return PartialSpec->PartialSpecialization->getSpecializedTemplate();
808 auto *ctpsd =
const_cast<CTPSDecl *
>(cast<CTPSDecl>(
this));
810 assert(inst_from !=
nullptr);
811 return inst_from->getSourceRange();
818 if (inst_from.isNull())
820 if (
const auto *ctd = inst_from.dyn_cast<ClassTemplateDecl *>())
821 return ctd->getSourceRange();
830 void ClassTemplatePartialSpecializationDecl::anchor() {}
832 ClassTemplatePartialSpecializationDecl::
843 ClassTemplatePartialSpecialization,
844 TK, DC, StartLoc, IdLoc,
845 SpecializedTemplate, Args, PrevDecl),
846 TemplateParams(Params), ArgsAsWritten(ArgInfos),
847 InstantiatedFromMember(
nullptr,
false) {
864 auto *
Result =
new (Context, DC)
866 Params, SpecializedTemplate, Args,
867 ASTArgInfos, PrevDecl);
869 Result->setMayHaveOutOfDateDef(
false);
879 Result->setMayHaveOutOfDateDef(
false);
887 void FriendTemplateDecl::anchor() {}
924 auto *CommonPtr =
new (
C)
Common;
933 void ClassScopeFunctionSpecializationDecl::anchor() {}
970 loadLazySpecializationsImpl();
973 llvm::FoldingSetVector<VarTemplateSpecializationDecl> &
975 LoadLazySpecializations();
976 return getCommonPtr()->Specializations;
979 llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl> &
981 LoadLazySpecializations();
982 return getCommonPtr()->PartialSpecializations;
987 auto *CommonPtr =
new (
C)
Common;
995 return findSpecializationImpl(getSpecializations(), Args, InsertPos);
1000 addSpecializationImpl<VarTemplateDecl>(getSpecializations(), D, InsertPos);
1006 return findSpecializationImpl(getPartialSpecializations(), Args, InsertPos);
1012 getPartialSpecializations().InsertNode(D, InsertPos);
1015 getPartialSpecializations().GetOrInsertNode(D);
1017 assert(Existing->
isCanonicalDecl() &&
"Non-canonical specialization?");
1021 L->AddedCXXTemplateSpecialization(
this, D);
1026 llvm::FoldingSetVector<VarTemplatePartialSpecializationDecl> &PartialSpecs =
1027 getPartialSpecializations();
1029 PS.reserve(PartialSpecs.size());
1031 PS.push_back(
P.getMostRecentDecl());
1039 if (
P.getInstantiatedFromMember()->getCanonicalDecl() == DCanon)
1040 return P.getMostRecentDecl();
1054 :
VarDecl(DK, Context, DC, StartLoc, IdLoc,
1056 SpecializedTemplate(SpecializedTemplate),
1071 VarTemplateSpecialization, Context, DC, StartLoc, IdLoc,
1072 SpecializedTemplate, T, TInfo, S, Args);
1082 raw_ostream &OS,
const PrintingPolicy &Policy,
bool Qualified)
const {
1087 PS ? PS->getTemplateArgsAsWritten() :
nullptr) {
1096 if (
const auto *PartialSpec =
1097 SpecializedTemplate.dyn_cast<SpecializedPartialSpecialization *>())
1098 return PartialSpec->PartialSpecialization->getSpecializedTemplate();
1114 void VarTemplatePartialSpecializationDecl::anchor() {}
1116 VarTemplatePartialSpecializationDecl::VarTemplatePartialSpecializationDecl(
1123 DC, StartLoc, IdLoc, SpecializedTemplate, T,
1125 TemplateParams(Params), ArgsAsWritten(ArgInfos),
1126 InstantiatedFromMember(
nullptr,
false) {
1143 Context, DC, StartLoc, IdLoc, Params, SpecializedTemplate, T, TInfo,
1144 S, Args, ASTArgInfos);
1160 nullptr,
true,
false);
1161 T->setImplicit(
true);
1168 nullptr, TI->
getType(),
true, TI);
1179 false,
nullptr, TPL);
1180 TemplateTemplateParm->setImplicit(
true);
1185 nullptr,
true,
false);
1186 TemplateTypeParm->setImplicit(
true);
1190 QualType(TemplateTypeParm->getTypeForDecl(), 0));
1193 nullptr, TInfo->
getType(),
false, TInfo);
1194 NamedDecl *Params[] = {TemplateTemplateParm, TemplateTypeParm,
1195 NonTypeTemplateParm};
1208 nullptr, TInfo->
getType(),
false, TInfo);
1213 nullptr,
true,
true);
1214 Ts->setImplicit(
true);
1219 llvm::makeArrayRef(Params),
1232 llvm_unreachable(
"unhandled BuiltinTemplateKind!");
1235 void BuiltinTemplateDecl::anchor() {}
Defines the clang::ASTContext interface.
void setImplicit(bool I=true)
Represents a function declaration or definition.
A (possibly-)qualified type.
virtual Decl * GetExternalDecl(uint32_t ID)
Resolve a declaration ID into a declaration, potentially building a new declaration.
llvm::FoldingSetVector< VarTemplateSpecializationDecl > & getSpecializations() const
Retrieve the set of specializations of this variable template.
static TypeAliasTemplateDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, NamedDecl *Decl)
Create a function template node.
FunctionDecl * findSpecialization(ArrayRef< TemplateArgument > Args, void *&InsertPos)
Return the specialization with the provided arguments if it exists, otherwise return the insertion po...
SourceRange getBraceRange() const
ArrayRef< TemplateArgument > getInjectedTemplateArgs()
Retrieve the "injected" template arguments that correspond to the template parameters of this functio...
ClassTemplateSpecializationDecl * findSpecialization(ArrayRef< TemplateArgument > Args, void *&InsertPos)
Return the specialization with the provided arguments if it exists, otherwise return the insertion po...
C Language Family Type Representation.
static TemplateTemplateParmDecl * Create(const ASTContext &C, DeclContext *DC, SourceLocation L, unsigned D, unsigned P, bool ParameterPack, IdentifierInfo *Id, TemplateParameterList *Params)
Decl - This represents one declaration (or definition), e.g.
ArrayRef< NamedDecl * > asArray()
void setDefaultArgument(const ASTContext &C, const TemplateArgumentLoc &DefArg)
Set the default argument for this template parameter, and whether that default argument was inherited...
Defines the C++ template declaration subclasses.
Declaration of a variable template.
NamedDecl * getParam(unsigned Idx)
A container of type source information.
void setTemplateArgsInfo(const TemplateArgumentListInfo &ArgsInfo)
void mergePrevDecl(FunctionTemplateDecl *Prev)
Merge Prev with our RedeclarableTemplateDecl::Common.
SourceLocation getEndLoc() const
Get the end source location.
void setRAngleLoc(SourceLocation Loc)
Represents a variable declaration or definition.
ASTMutationListener * getASTMutationListener() const
void LoadLazySpecializations() const
Load any lazily-loaded specializations from the external source.
Declaration of a redeclarable template.
SourceLocation getExternLoc() const
Gets the location of the extern keyword, if present.
Represents a variable template specialization, which refers to a variable template with a given set o...
Represents an explicit template argument list in C++, e.g., the "<int>" in "sort<int>".
Stores a list of template parameters for a TemplateDecl and its derived classes.
Describes how types, statements, expressions, and declarations should be printed. ...
void LoadLazySpecializations() const
Load any lazily-loaded specializations from the external source.
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
IdentifierInfo * getIdentifier() const
Get the identifier that names this declaration, if there is one.
SourceLocation getDefaultArgumentLoc() const
Retrieve the location of the default argument, if any.
const TemplateArgumentList & getTemplateArgs() const
Retrieve the template arguments of the class template specialization.
One of these records is kept for each identifier that is lexed.
Represents a class template specialization, which refers to a class template with a given set of temp...
unsigned getDepth() const
Retrieve the depth of the template parameter.
VarTemplateSpecializationDecl(Kind DK, ASTContext &Context, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo, StorageClass S, ArrayRef< TemplateArgument > Args)
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
TemplateSpecializationKind getSpecializationKind() const
Determine the kind of specialization that this declaration represents.
Defines the position of a template parameter within a template parameter list.
VarTemplatePartialSpecializationDecl * findPartialSpecialization(ArrayRef< TemplateArgument > Args, void *&InsertPos)
Return the partial specialization with the provided arguments if it exists, otherwise return the inse...
void * allocateDefaultArgStorageChain(const ASTContext &C)
static TemplateArgumentList * CreateCopy(ASTContext &Context, ArrayRef< TemplateArgument > Args)
Create a new template argument list that copies the given set of template arguments.
Stores the template parameter list and associated constraints for TemplateDecl objects that track ass...
Declaration of a function specialization at template class scope.
Provides information about a function template specialization, which is a FunctionDecl that has been ...
unsigned getMinRequiredArguments() const
Returns the minimum number of arguments needed to form a template specialization. ...
A convenient class for passing around template argument information.
const TemplateArgumentList & getTemplateArgs() const
Retrieve the template arguments of the variable template specialization.
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
static TemplateParameterList * createTypePackElementParameterList(const ASTContext &C, DeclContext *DC)
static ClassTemplateSpecializationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
static TemplateTypeParmDecl * Create(const ASTContext &C, DeclContext *DC, SourceLocation KeyLoc, SourceLocation NameLoc, unsigned D, unsigned P, IdentifierInfo *Id, bool Typename, bool ParameterPack)
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
SourceLocation getDefaultArgumentLoc() const
Retrieves the location of the default argument declaration.
VarTemplateDecl * getSpecializedTemplate() const
Retrieve the template that this specialization specializes.
const Type * getTypePtr() const
Retrieves a pointer to the underlying (unqualified) type.
CXXRecordDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
static FunctionTemplateSpecializationInfo * Create(ASTContext &C, FunctionDecl *FD, FunctionTemplateDecl *Template, TemplateSpecializationKind TSK, const TemplateArgumentList *TemplateArgs, const TemplateArgumentListInfo *TemplateArgsAsWritten, SourceLocation POI)
static FunctionTemplateDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, NamedDecl *Decl)
Create a function template node.
void AddPartialSpecialization(ClassTemplatePartialSpecializationDecl *D, void *InsertPos)
Insert the specified partial specialization knowing that it is not already in.
llvm::FoldingSetVector< FunctionTemplateSpecializationInfo > Specializations
The function template specializations for this function template, including explicit specializations ...
SpecEntryTraits< EntryType >::DeclType * findSpecializationImpl(llvm::FoldingSetVector< EntryType > &Specs, ArrayRef< TemplateArgument > Args, void *&InsertPos)
static TemplateTypeParmDecl * CreateDeserialized(const ASTContext &C, unsigned ID)
A placeholder type used to construct an empty shell of a decl-derived type that will be filled in lat...
void AddSpecialization(VarTemplateSpecializationDecl *D, void *InsertPos)
Insert the specified specialization knowing that it is not already in.
Represents a ValueDecl that came out of a declarator.
TypeSourceInfo * getTrivialTypeSourceInfo(QualType T, SourceLocation Loc=SourceLocation()) const
Allocate a TypeSourceInfo where all locations have been initialized to a given location, which defaults to the empty location.
void AddPartialSpecialization(VarTemplatePartialSpecializationDecl *D, void *InsertPos)
Insert the specified partial specialization knowing that it is not already in.
bool isCanonicalDecl() const
Whether this particular Decl is a canonical one.
This represents one expression.
CommonBase * getCommonPtr() const
Retrieves the "common" pointer shared by all (re-)declarations of the same template.
void setAssociatedConstraints(Expr *AC)
static ClassTemplatePartialSpecializationDecl * Create(ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, TemplateParameterList *Params, ClassTemplateDecl *SpecializedTemplate, ArrayRef< TemplateArgument > Args, const TemplateArgumentListInfo &ArgInfos, QualType CanonInjectedType, ClassTemplatePartialSpecializationDecl *PrevDecl)
Declaration of a template type parameter.
llvm::PointerUnion< NamedDecl *, TypeSourceInfo * > FriendUnion
ClassTemplateDecl * getSpecializedTemplate() const
Retrieve the template that this specialization specializes.
Data that is common to all of the declarations of a given variable template.
An abstract interface that should be implemented by listeners that want to be notified when an AST en...
ArrayRef< TemplateArgument > asArray() const
Produce this as an array ref.
NonTypeTemplateParmDecl - Declares a non-type template parameter, e.g., "Size" in.
bool isTemplateParameterPack() const
isTemplateParameter - Determines whether this declaration is a template parameter pack...
Represents a C++ template name within the type system.
void printTemplateArgumentList(raw_ostream &OS, ArrayRef< TemplateArgument > Args, const PrintingPolicy &Policy)
Print a template argument list, including the '<' and '>' enclosing the template arguments.
Defines the clang::TypeLoc interface and its subclasses.
StorageClass
Storage classes.
Declaration of an alias template.
llvm::FoldingSetVector< ClassTemplatePartialSpecializationDecl > & getPartialSpecializations()
Retrieve the set of partial specializations of this class template.
SourceLocation getEnd() const
TemplateTemplateParmDecl - Declares a template template parameter, e.g., "T" in.
static TemplateParameterList * createBuiltinTemplateParameterList(const ASTContext &C, DeclContext *DC, BuiltinTemplateKind BTK)
ClassTemplatePartialSpecializationDecl * getInstantiatedFromMember() const
Retrieve the member class template partial specialization from which this particular class template p...
Data that is common to all of the declarations of a given class template.
QualType getTypeDeclType(const TypeDecl *Decl, const TypeDecl *PrevDecl=nullptr) const
Return the unique reference to the type for the specified type declaration.
The result type of a method or function.
void addDestruction(T *Ptr)
If T isn't trivially destructible, calls AddDeallocation to register it for destruction.
bool isNull() const
Return true if this QualType doesn't point to a type yet.
static StringRef getIdentifier(const Token &Tok)
VarDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
static TemplateParameterList * Create(const ASTContext &C, SourceLocation TemplateLoc, SourceLocation LAngleLoc, ArrayRef< NamedDecl *> Params, SourceLocation RAngleLoc, Expr *RequiresClause)
static TypeAliasTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create an empty alias template node.
llvm::FoldingSetVector< ClassTemplateSpecializationDecl > & getSpecializations() const
Retrieve the set of specializations of this class template.
decl_type * getPreviousDecl()
Return the previous declaration of this declaration or NULL if this is the first declaration.
uint32_t * LazySpecializations
If non-null, points to an array of specializations (including partial specializations) known only by ...
static ClassTemplateSpecializationDecl * Create(ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, ClassTemplateDecl *SpecializedTemplate, ArrayRef< TemplateArgument > Args, ClassTemplateSpecializationDecl *PrevDecl)
CommonBase * newCommon(ASTContext &C) const override
ClassTemplatePartialSpecializationDecl * findPartialSpecInstantiatedFromMember(ClassTemplatePartialSpecializationDecl *D)
Find a class template partial specialization which was instantiated from the given member partial spe...
QualType InjectedClassNameType
The injected-class-name type for this class template.
bool isParameterPack() const
Returns whether this is a parameter pack.
Encodes a location in the source.
static TemplateTemplateParmDecl * CreateDeserialized(ASTContext &C, unsigned ID)
llvm::PointerUnion< ClassTemplateDecl *, ClassTemplatePartialSpecializationDecl * > getInstantiatedFrom() const
If this class template specialization is an instantiation of a template (rather than an explicit spec...
This names the __make_integer_seq BuiltinTemplateDecl.
CommonBase * newCommon(ASTContext &C) const override
Data that is common to all of the declarations of a given function template.
static void AdoptTemplateParameterList(TemplateParameterList *Params, DeclContext *Owner)
QualType getInjectedClassNameSpecialization()
Retrieve the template specialization type of the injected-class-name for this class template...
BuiltinTemplateKind
Kinds of BuiltinTemplateDecl.
FunctionTemplateDecl * getPreviousDecl()
Retrieve the previous declaration of this function template, or nullptr if no such declaration exists...
static FriendTemplateDecl * Create(ASTContext &Context, DeclContext *DC, SourceLocation Loc, MutableArrayRef< TemplateParameterList *> Params, FriendUnion Friend, SourceLocation FriendLoc)
This template specialization was instantiated from a template due to an explicit instantiation defini...
This template specialization was formed from a template-id but has not yet been declared, defined, or instantiated.
TypeSourceInfo * getTypeAsWritten() const
Gets the type of this specialization as it was written by the user, if it was so written.
static VarTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create an empty variable template node.
static TemplateParameterList * createMakeIntegerSeqParameterList(const ASTContext &C, DeclContext *DC)
void addSpecialization(FunctionTemplateSpecializationInfo *Info, void *InsertPos)
Add a specialization of this function template.
void setLAngleLoc(SourceLocation Loc)
void addArgument(const TemplateArgumentLoc &Loc)
static ClassTemplateDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, NamedDecl *Decl, Expr *AssociatedConstraints=nullptr)
Create a class template node.
void * Allocate(size_t Size, unsigned Align=8) const
Represents a template argument.
QualType getTemplateSpecializationType(TemplateName T, ArrayRef< TemplateArgument > Args, QualType Canon=QualType()) const
SourceLocation getTemplateKeywordLoc() const
Gets the location of the template keyword, if present.
TagTypeKind
The kind of a tag type.
Dataflow Directional Tag Classes.
void getInjectedTemplateArgs(const TemplateParameterList *Params, SmallVectorImpl< TemplateArgument > &Args)
Get a template argument list with one argument per template parameter in a template parameter list...
virtual void getNameForDiagnostic(raw_ostream &OS, const PrintingPolicy &Policy, bool Qualified) const
Appends a human-readable name for this declaration into the given stream.
bool isValid() const
Return true if this is a valid SourceLocation object.
static ClassScopeFunctionSpecializationDecl * CreateDeserialized(ASTContext &Context, unsigned ID)
const TemplateArgument & getArgument() const
static NonTypeTemplateParmDecl * Create(const ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, unsigned D, unsigned P, IdentifierInfo *Id, QualType T, bool ParameterPack, TypeSourceInfo *TInfo)
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
static ClassTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create an empty class template node.
The base class of all kinds of template declarations (e.g., class, function, etc.).
void LoadLazySpecializations() const
Load any lazily-loaded specializations from the external source.
This template specialization was instantiated from a template due to an explicit instantiation declar...
unsigned getIndex() const
Retrieve the index of the template parameter.
static VarTemplatePartialSpecializationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
The name of a declaration.
static NonTypeTemplateParmDecl * CreateDeserialized(ASTContext &C, unsigned ID)
This names the __type_pack_element BuiltinTemplateDecl.
TemplateSpecializationKind
Describes the kind of template specialization that a particular template specialization declaration r...
llvm::ArrayRef< TemplateArgumentLoc > arguments() const
ExternalASTSource * getExternalSource() const
Retrieve a pointer to the external AST source associated with this AST context, if any...
static FriendTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
bool isThisDeclarationADefinition() const
Returns whether this template declaration defines the primary variable pattern.
bool isNull() const
Determine whether this template argument has no value.
VarTemplateSpecializationDecl * findSpecialization(ArrayRef< TemplateArgument > Args, void *&InsertPos)
Return the specialization with the provided arguments if it exists, otherwise return the insertion po...
void getNameForDiagnostic(raw_ostream &OS, const PrintingPolicy &Policy, bool Qualified) const override
Appends a human-readable name for this declaration into the given stream.
unsigned getDepth() const
Get the depth of this template parameter list in the set of template parameter lists.
void getNameForDiagnostic(raw_ostream &OS, const PrintingPolicy &Policy, bool Qualified) const override
Appends a human-readable name for this declaration into the given stream.
Location wrapper for a TemplateArgument.
static ClassTemplatePartialSpecializationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
This template specialization was declared or defined by an explicit specialization (C++ [temp...
static VarTemplatePartialSpecializationDecl * Create(ASTContext &Context, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, TemplateParameterList *Params, VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo, StorageClass S, ArrayRef< TemplateArgument > Args, const TemplateArgumentListInfo &ArgInfos)
VarTemplateDecl * getPreviousDecl()
Retrieve the previous declaration of this variable template, or nullptr if no such declaration exists...
bool hasSameType(QualType T1, QualType T2) const
Determine whether the given types T1 and T2 are equivalent.
static FunctionTemplateDecl * CreateDeserialized(ASTContext &C, unsigned ID)
Create an empty function template node.
static VarTemplateSpecializationDecl * CreateDeserialized(ASTContext &C, unsigned ID)
A template argument list.
TypeLoc getTypeLoc() const
Return the TypeLoc wrapper for the type source info.
SourceLocation getDefaultArgumentLoc() const
Retrieve the location of the default argument, if any.
TemplateArgument * InjectedArgs
The set of "injected" template arguments used within this function template.
Defines the C++ Decl subclasses, other than those for templates (found in DeclTemplate.h) and friends (in DeclFriend.h).
QualType getTemplateTypeParmType(unsigned Depth, unsigned Index, bool ParameterPack, TemplateTypeParmDecl *ParmDecl=nullptr) const
Retrieve the template type parameter type for a template parameter or parameter pack with the given d...
void AddSpecialization(ClassTemplateSpecializationDecl *D, void *InsertPos)
Insert the specified specialization knowing that it is not already in.
Defines the clang::SourceLocation class and associated facilities.
Represents a C++ struct/union/class.
static const ASTTemplateArgumentListInfo * Create(ASTContext &C, const TemplateArgumentListInfo &List)
TemplateParameterList(SourceLocation TemplateLoc, SourceLocation LAngleLoc, ArrayRef< NamedDecl *> Params, SourceLocation RAngleLoc, Expr *RequiresClause)
CommonBase * newCommon(ASTContext &C) const override
void addSpecializationImpl(llvm::FoldingSetVector< EntryType > &Specs, EntryType *Entry, void *InsertPos)
CommonBase * newCommon(ASTContext &C) const override
ClassTemplatePartialSpecializationDecl * findPartialSpecialization(ArrayRef< TemplateArgument > Args, void *&InsertPos)
Return the partial specialization with the provided arguments if it exists, otherwise return the inse...
static VarTemplateDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, VarDecl *Decl)
Create a variable template node.
Declaration of a class template.
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
QualType getInjectedClassNameType(CXXRecordDecl *Decl, QualType TST) const
getInjectedClassNameType - Return the unique reference to the injected class name type for the specif...
void loadLazySpecializationsImpl() const
VarTemplatePartialSpecializationDecl * findPartialSpecInstantiatedFromMember(VarTemplatePartialSpecializationDecl *D)
Find a variable template partial specialization which was instantiated from the given member partial ...
Kind
Lists the kind of concrete classes of Decl.
SourceLocation getLAngleLoc() const
llvm::FoldingSetVector< FunctionTemplateSpecializationInfo > & getSpecializations() const
Retrieve the set of function template specializations of this function template.
A trivial tuple used to represent a source range.
static VarTemplateSpecializationDecl * Create(ASTContext &Context, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo, StorageClass S, ArrayRef< TemplateArgument > Args)
This represents a decl that may have a name.
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
Declaration of a friend template.
SourceLocation getRAngleLoc() const
VarTemplateDecl * getDefinition()
SourceRange getSourceRange() const LLVM_READONLY
Defines enum values for all the target-independent builtin functions.
Declaration of a template function.
ClassTemplateSpecializationDecl(ASTContext &Context, Kind DK, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, ClassTemplateDecl *SpecializedTemplate, ArrayRef< TemplateArgument > Args, ClassTemplateSpecializationDecl *PrevDecl)
QualType getType() const
Return the type wrapped by this type source info.
llvm::FoldingSetVector< VarTemplatePartialSpecializationDecl > & getPartialSpecializations()
Retrieve the set of partial specializations of this class template.
CanQualType getSizeType() const
Return the unique type for "size_t" (C99 7.17), defined in <stddef.h>.