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Showing content from https://clang.llvm.org/doxygen/TemplateName_8cpp_source.html below:

clang: lib/AST/TemplateName.cpp Source File

26#include "llvm/ADT/ArrayRef.h" 27#include "llvm/ADT/FoldingSet.h" 28#include "llvm/Support/Compiler.h" 29#include "llvm/Support/raw_ostream.h" 34using namespace clang

;

36

DeducedTemplateStorage::DeducedTemplateStorage(

TemplateName

Underlying,

40

Underlying(Underlying) {

55

ID.AddInteger(DefArgs.

Args

.size());

67 return

cast<TemplateTemplateParmDecl>(

74 return

cast<TemplateTemplateParmDecl>(

85 unsigned

Index, std::optional<unsigned> PackIndex) {

86

Replacement.Profile(ID);

87

ID.AddPointer(AssociatedDecl);

89

ID.AddInteger(PackIndex ? *PackIndex + 1 : 0);

97

Arguments(ArgPack.data()), AssociatedDeclAndFinal(AssociatedDecl, Final) {

98

assert(AssociatedDecl !=

nullptr

);

108 return

AssociatedDeclAndFinal.getPointer();

112 return

AssociatedDeclAndFinal.getInt();

116

llvm::FoldingSetNodeID &ID,

ASTContext

&Context,

119

ArgPack.

Profile

(ID, Context);

120

ID.AddPointer(AssociatedDecl);

121

ID.AddInteger(Index);

122

ID.AddBoolean(Final);

126

Storage = StorageType::getFromOpaqueValue(Ptr);

131

: Storage(Storage) {}

133

: Storage(Storage) {}

135

: Storage(Storage) {}

137

: Storage(Storage) {}

142

: Storage(Deduced) {}

147 if

(

auto

*ND = dyn_cast<Decl *>(Storage)) {

148 if

(isa<UsingShadowDecl>(ND))

150

assert(isa<TemplateDecl>(ND));

154 if

(isa<DependentTemplateName *>(Storage))

156 if

(isa<QualifiedTemplateName *>(Storage))

160

cast<UncommonTemplateNameStorage *>(Storage);

176 while

(std::optional<TemplateName> UnderlyingOrNone =

177

Name.desugar(IgnoreDeduced))

178

Name = *UnderlyingOrNone;

181

assert(Name.getAsDeducedTemplateName() ==

nullptr

&&

182 "Unexpected canonical DeducedTemplateName; Did you mean to use " 183 "getTemplateDeclAndDefaultArgs instead?"

);

185 return

cast_if_present<TemplateDecl>(

186

dyn_cast_if_present<Decl *>(Name.Storage));

189

std::pair<TemplateDecl *, DefaultArguments>

202 if

(std::optional<TemplateName> UnderlyingOrNone =

203

Name.desugar(

false

)) {

204

Name = *UnderlyingOrNone;

207 return

{cast_if_present<TemplateDecl>(Name.Storage.dyn_cast<

Decl

*>()), {}};

212 if

(

Decl

*

D

= dyn_cast_if_present<Decl *>(Storage)) {

213 if

(

auto

*USD = dyn_cast<UsingShadowDecl>(

D

))

218 return

QTN->getUnderlyingTemplate();

220 return

S->getReplacement();

223 return

S->getUnderlying();

246

dyn_cast_if_present<UncommonTemplateNameStorage *>(Storage))

262 return

dyn_cast_if_present<QualifiedTemplateName *>(Storage);

270 if

(

Decl

*

D

= Storage.dyn_cast<

Decl

*>())

274 return

QTN->getUnderlyingTemplate().getAsUsingShadowDecl();

280

dyn_cast_if_present<UncommonTemplateNameStorage *>(Storage))

291 auto D

= TemplateNameDependence::None;

292 if

(

auto

*TTP = dyn_cast<TemplateTemplateParmDecl>(

Template

)) {

293 D

|= TemplateNameDependence::DependentInstantiation;

294 if

(TTP->isParameterPack())

295 D

|= TemplateNameDependence::UnexpandedPack;

302 Template

->getDeclContext()->isDependentContext())

303 D

|= TemplateNameDependence::DependentInstantiation;

308

TemplateNameDependence

D

= S->getUnderlyingTemplate().getDependence();

315 auto D

= TemplateNameDependence::DependentInstantiation;

321 return

S->getReplacement().getDependence();

324 return

TemplateNameDependence::UnexpandedPack |

325

TemplateNameDependence::DependentInstantiation;

334 return

TemplateNameDependence::DependentInstantiation;

336

llvm_unreachable(

"overloaded templates shouldn't survive to here."

);

338

llvm_unreachable(

"Unknown TemplateName kind"

);

346 return getDependence

() & TemplateNameDependence::Instantiation;

350 return getDependence

() & TemplateNameDependence::UnexpandedPack;

355 auto

handleAnonymousTTP = [](

TemplateDecl

*TD, raw_ostream &OS) {

358

OS <<

"template-parameter-"

<< TTP->getDepth() <<

"-"

<< TTP->getIndex();

375 if

(handleAnonymousTTP(

Template

, OS))

380 Template

->printQualifiedName(OS, Policy);

384

NNS->print(OS, Policy);

385 if

(QTN->hasTemplateKeyword())

394 if

(handleAnonymousTTP(UTD, OS))

399

isa<TemplateTemplateParmDecl>(UTD))

400

OS << II->deuglifiedName();

405

NNS->

print

(OS, Policy);

408 if

(DTN->isIdentifier())

409

OS << DTN->getIdentifier()->getName();

414

subst->getReplacement().print(OS, Policy, Qual);

417

OS << *SubstPack->getParameterPack();

419

Assumed->getDeclName().print(OS, Policy);

421

Deduced->getUnderlying().print(OS, Policy);

428

(*OTS->

begin

())->printName(OS, Policy);

435

llvm::raw_string_ostream OS(NameStr);

437

LO.CPlusPlus =

true

;

442 return

DB << NameStr;

Defines the Diagnostic-related interfaces.

Defines the C++ Decl subclasses, other than those for templates (found in DeclTemplate....

Defines the C++ template declaration subclasses.

Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified.

Defines the clang::LangOptions interface.

Defines an enumeration for C++ overloaded operators.

Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...

A structure for storing the information associated with a name that has been assumed to be a template...

Decl - This represents one declaration (or definition), e.g.

void print(raw_ostream &Out, unsigned Indentation=0, bool PrintInstantiation=false) const

TemplateName getUnderlying() const

void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) const

DefaultArguments getDefaultArguments() const

Represents a dependent template name that cannot be resolved prior to template instantiation.

One of these records is kept for each identifier that is lexed.

Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...

IdentifierInfo * getIdentifier() const

Get the identifier that names this declaration, if there is one.

Represents a C++ nested name specifier, such as "\::std::vector<int>::".

A structure for storing the information associated with an overloaded template name.

Represents a template name as written in source code.

The streaming interface shared between DiagnosticBuilder and PartialDiagnostic.

A structure for storing an already-substituted template template parameter pack.

Decl * getAssociatedDecl() const

A template-like entity which owns the whole pattern being substituted.

void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context)

TemplateTemplateParmDecl * getParameterPack() const

Retrieve the template template parameter pack being substituted.

TemplateArgument getArgumentPack() const

Retrieve the template template argument pack with which this parameter was substituted.

unsigned getIndex() const

Returns the index of the replaced parameter in the associated declaration.

SubstTemplateTemplateParmPackStorage(ArrayRef< TemplateArgument > ArgPack, Decl *AssociatedDecl, unsigned Index, bool Final)

A structure for storing the information associated with a substituted template template parameter.

std::optional< unsigned > getPackIndex() const

void Profile(llvm::FoldingSetNodeID &ID)

TemplateTemplateParmDecl * getParameter() const

unsigned getIndex() const

Returns the index of the replaced parameter in the associated declaration.

Decl * getAssociatedDecl() const

A template-like entity which owns the whole pattern being substituted.

Represents a template argument.

void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) const

Used to insert TemplateArguments into FoldingSets.

The base class of all kinds of template declarations (e.g., class, function, etc.).

TemplateParameterList * getTemplateParameters() const

Get the list of template parameters.

Represents a C++ template name within the type system.

TemplateNameDependence getDependence() const

TemplateDecl * getAsTemplateDecl(bool IgnoreDeduced=false) const

Retrieve the underlying template declaration that this template name refers to, if known.

DeducedTemplateStorage * getAsDeducedTemplateName() const

Retrieve the deduced template info, if any.

bool isNull() const

Determine whether this template name is NULL.

DependentTemplateName * getAsDependentTemplateName() const

Retrieve the underlying dependent template name structure, if any.

QualifiedTemplateName * getAsQualifiedTemplateName() const

Retrieve the underlying qualified template name structure, if any.

std::optional< TemplateName > desugar(bool IgnoreDeduced) const

void print(raw_ostream &OS, const PrintingPolicy &Policy, Qualified Qual=Qualified::AsWritten) const

Print the template name.

OverloadedTemplateStorage * getAsOverloadedTemplate() const

Retrieve the underlying, overloaded function template declarations that this template name refers to,...

bool containsUnexpandedParameterPack() const

Determines whether this template name contains an unexpanded parameter pack (for C++0x variadic templ...

AssumedTemplateStorage * getAsAssumedTemplateName() const

Retrieve information on a name that has been assumed to be a template-name in order to permit a call ...

@ UsingTemplate

A template name that refers to a template declaration found through a specific using shadow declarati...

@ OverloadedTemplate

A set of overloaded template declarations.

@ Template

A single template declaration.

@ DependentTemplate

A dependent template name that has not been resolved to a template (or set of templates).

@ SubstTemplateTemplateParm

A template template parameter that has been substituted for some other template name.

@ SubstTemplateTemplateParmPack

A template template parameter pack that has been substituted for a template template argument pack,...

@ DeducedTemplate

A template name that refers to another TemplateName with deduced default arguments.

@ QualifiedTemplate

A qualified template name, where the qualification is kept to describe the source code as written.

@ AssumedTemplate

An unqualified-id that has been assumed to name a function template that will be found by ADL.

UsingShadowDecl * getAsUsingShadowDecl() const

Retrieve the using shadow declaration through which the underlying template declaration is introduced...

SubstTemplateTemplateParmPackStorage * getAsSubstTemplateTemplateParmPack() const

Retrieve the substituted template template parameter pack, if known.

void Profile(llvm::FoldingSetNodeID &ID)

bool isDependent() const

Determines whether this is a dependent template name.

std::pair< TemplateDecl *, DefaultArguments > getTemplateDeclAndDefaultArgs() const

Retrieves the underlying template declaration that this template name refers to, along with the deduc...

SubstTemplateTemplateParmStorage * getAsSubstTemplateTemplateParm() const

Retrieve the substituted template template parameter, if known.

bool isInstantiationDependent() const

Determines whether this is a template name that somehow depends on a template parameter.

TemplateTemplateParmDecl - Declares a template template parameter, e.g., "T" in.

Implementation class used to describe either a set of overloaded template names or an already-substit...

SubstTemplateTemplateParmPackStorage * getAsSubstTemplateTemplateParmPack()

SubstTemplateTemplateParmStorage * getAsSubstTemplateTemplateParm()

AssumedTemplateStorage * getAsAssumedTemplateName()

DeducedTemplateStorage * getAsDeducedTemplateName()

OverloadedTemplateStorage * getAsOverloadedStorage()

Represents a shadow declaration implicitly introduced into a scope by a (resolved) using-declaration ...

The JSON file list parser is used to communicate input to InstallAPI.

TemplateNameDependence toTemplateNameDependence(NestedNameSpecifierDependence D)

const StreamingDiagnostic & operator<<(const StreamingDiagnostic &DB, const ASTContext::SectionInfo &Section)

Insertion operator for diagnostics.

TemplateParameterList * getReplacedTemplateParameterList(Decl *D)

Internal helper used by Subst* nodes to retrieve the parameter list for their AssociatedDecl.

void printTemplateArgumentList(raw_ostream &OS, ArrayRef< TemplateArgument > Args, const PrintingPolicy &Policy, const TemplateParameterList *TPL=nullptr)

Print a template argument list, including the '<' and '>' enclosing the template arguments.

const char * getOperatorSpelling(OverloadedOperatorKind Operator)

Retrieve the spelling of the given overloaded operator, without the preceding "operator" keyword.

ArrayRef< TemplateArgument > Args

Describes how types, statements, expressions, and declarations should be printed.

unsigned CleanUglifiedParameters

Whether to strip underscores when printing reserved parameter names.

unsigned Data

The pack index, or the number of stored templates or template arguments, depending on which subclass ...


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