clang 19.0.0git
QualTypeNames.cpp
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1//===------- QualTypeNames.cpp - Generate Complete QualType Names ---------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
12#include "clang/AST/Mangle.h"
14
15#include <stdio.h>
16#include <memory>
17
18namespace clang {
19
20namespace TypeName {
21
22/// Create a NestedNameSpecifier for Namesp and its enclosing
23/// scopes.
24///
25/// \param[in] Ctx - the AST Context to be used.
26/// \param[in] Namesp - the NamespaceDecl for which a NestedNameSpecifier
27/// is requested.
28/// \param[in] WithGlobalNsPrefix - Indicate whether the global namespace
29/// specifier "::" should be prepended or not.
30static NestedNameSpecifier *createNestedNameSpecifier(
31 const ASTContext &Ctx,
32 const NamespaceDecl *Namesp,
33 bool WithGlobalNsPrefix);
34
35/// Create a NestedNameSpecifier for TagDecl and its enclosing
36/// scopes.
37///
38/// \param[in] Ctx - the AST Context to be used.
39/// \param[in] TD - the TagDecl for which a NestedNameSpecifier is
40/// requested.
41/// \param[in] FullyQualify - Convert all template arguments into fully
42/// qualified names.
43/// \param[in] WithGlobalNsPrefix - Indicate whether the global namespace
44/// specifier "::" should be prepended or not.
45static NestedNameSpecifier *createNestedNameSpecifier(
46 const ASTContext &Ctx, const TypeDecl *TD,
47 bool FullyQualify, bool WithGlobalNsPrefix);
48
49static NestedNameSpecifier *createNestedNameSpecifierForScopeOf(
50 const ASTContext &Ctx, const Decl *decl,
51 bool FullyQualified, bool WithGlobalNsPrefix);
52
53static NestedNameSpecifier *getFullyQualifiedNestedNameSpecifier(
54 const ASTContext &Ctx, NestedNameSpecifier *scope, bool WithGlobalNsPrefix);
55
57 TemplateName &TName,
58 bool WithGlobalNsPrefix) {
59 bool Changed = false;
60 NestedNameSpecifier *NNS = nullptr;
61
62 TemplateDecl *ArgTDecl = TName.getAsTemplateDecl();
63 // ArgTDecl won't be NULL because we asserted that this isn't a
64 // dependent context very early in the call chain.
65 assert(ArgTDecl != nullptr);
67
68 if (QTName && !QTName->hasTemplateKeyword()) {
69 NNS = QTName->getQualifier();
71 Ctx, NNS, WithGlobalNsPrefix);
72 if (QNNS != NNS) {
73 Changed = true;
74 NNS = QNNS;
75 } else {
76 NNS = nullptr;
77 }
78 } else {
80 Ctx, ArgTDecl, true, WithGlobalNsPrefix);
81 }
82 if (NNS) {
83 TemplateName UnderlyingTN(ArgTDecl);
84 if (UsingShadowDecl *USD = TName.getAsUsingShadowDecl())
85 UnderlyingTN = TemplateName(USD);
86 TName =
88 /*TemplateKeyword=*/false, UnderlyingTN);
89 Changed = true;
90 }
91 return Changed;
92}
93
96 bool WithGlobalNsPrefix) {
97 bool Changed = false;
98
99 // Note: we do not handle TemplateArgument::Expression, to replace it
100 // we need the information for the template instance decl.
101
102 if (Arg.getKind() == TemplateArgument::Template) {
103 TemplateName TName = Arg.getAsTemplate();
104 Changed = getFullyQualifiedTemplateName(Ctx, TName, WithGlobalNsPrefix);
105 if (Changed) {
106 Arg = TemplateArgument(TName);
107 }
108 } else if (Arg.getKind() == TemplateArgument::Type) {
109 QualType SubTy = Arg.getAsType();
110 // Check if the type needs more desugaring and recurse.
111 QualType QTFQ = getFullyQualifiedType(SubTy, Ctx, WithGlobalNsPrefix);
112 if (QTFQ != SubTy) {
113 Arg = TemplateArgument(QTFQ);
114 Changed = true;
115 }
116 }
117 return Changed;
118}
119
121 const Type *TypePtr,
122 bool WithGlobalNsPrefix) {
123 // DependentTemplateTypes exist within template declarations and
124 // definitions. Therefore we shouldn't encounter them at the end of
125 // a translation unit. If we do, the caller has made an error.
126 assert(!isa<DependentTemplateSpecializationType>(TypePtr));
127 // In case of template specializations, iterate over the arguments
128 // and fully qualify them as well.
129 if (const auto *TST = dyn_cast<const TemplateSpecializationType>(TypePtr)) {
130 bool MightHaveChanged = false;
132 // Cheap to copy and potentially modified by
133 // getFullyQualifedTemplateArgument.
134 for (TemplateArgument Arg : TST->template_arguments()) {
135 MightHaveChanged |= getFullyQualifiedTemplateArgument(
136 Ctx, Arg, WithGlobalNsPrefix);
137 FQArgs.push_back(Arg);
138 }
139
140 // If a fully qualified arg is different from the unqualified arg,
141 // allocate new type in the AST.
142 if (MightHaveChanged) {
144 TST->getTemplateName(), FQArgs,
145 TST->getCanonicalTypeInternal());
146 // getTemplateSpecializationType returns a fully qualified
147 // version of the specialization itself, so no need to qualify
148 // it.
149 return QT.getTypePtr();
150 }
151 } else if (const auto *TSTRecord = dyn_cast<const RecordType>(TypePtr)) {
152 // We are asked to fully qualify and we have a Record Type,
153 // which can point to a template instantiation with no sugar in any of
154 // its template argument, however we still need to fully qualify them.
155
156 if (const auto *TSTDecl =
157 dyn_cast<ClassTemplateSpecializationDecl>(TSTRecord->getDecl())) {
158 const TemplateArgumentList &TemplateArgs = TSTDecl->getTemplateArgs();
159
160 bool MightHaveChanged = false;
162 for (unsigned int I = 0, E = TemplateArgs.size(); I != E; ++I) {
163 // cheap to copy and potentially modified by
164 // getFullyQualifedTemplateArgument
165 TemplateArgument Arg(TemplateArgs[I]);
166 MightHaveChanged |= getFullyQualifiedTemplateArgument(
167 Ctx, Arg, WithGlobalNsPrefix);
168 FQArgs.push_back(Arg);
169 }
170
171 // If a fully qualified arg is different from the unqualified arg,
172 // allocate new type in the AST.
173 if (MightHaveChanged) {
174 TemplateName TN(TSTDecl->getSpecializedTemplate());
176 TN, FQArgs,
177 TSTRecord->getCanonicalTypeInternal());
178 // getTemplateSpecializationType returns a fully qualified
179 // version of the specialization itself, so no need to qualify
180 // it.
181 return QT.getTypePtr();
182 }
183 }
184 }
185 return TypePtr;
186}
187
189 bool FullyQualify,
190 bool WithGlobalNsPrefix) {
191 const DeclContext *DC = D->getDeclContext();
192 if (const auto *NS = dyn_cast<NamespaceDecl>(DC)) {
193 while (NS && NS->isInline()) {
194 // Ignore inline namespace;
195 NS = dyn_cast<NamespaceDecl>(NS->getDeclContext());
196 }
197 if (NS && NS->getDeclName()) {
198 return createNestedNameSpecifier(Ctx, NS, WithGlobalNsPrefix);
199 }
200 return nullptr; // no starting '::', no anonymous
201 } else if (const auto *TD = dyn_cast<TagDecl>(DC)) {
202 return createNestedNameSpecifier(Ctx, TD, FullyQualify, WithGlobalNsPrefix);
203 } else if (const auto *TDD = dyn_cast<TypedefNameDecl>(DC)) {
205 Ctx, TDD, FullyQualify, WithGlobalNsPrefix);
206 } else if (WithGlobalNsPrefix && DC->isTranslationUnit()) {
208 }
209 return nullptr; // no starting '::' if |WithGlobalNsPrefix| is false
210}
211
212/// Return a fully qualified version of this name specifier.
215 bool WithGlobalNsPrefix) {
216 switch (Scope->getKind()) {
218 // Already fully qualified
219 return Scope;
222 Ctx, Scope->getAsNamespace(), WithGlobalNsPrefix);
224 // Namespace aliases are only valid for the duration of the
225 // scope where they were introduced, and therefore are often
226 // invalid at the end of the TU. So use the namespace name more
227 // likely to be valid at the end of the TU.
229 Ctx,
230 Scope->getAsNamespaceAlias()->getNamespace()->getCanonicalDecl(),
231 WithGlobalNsPrefix);
233 // A function or some other construct that makes it un-namable
234 // at the end of the TU. Skip the current component of the name,
235 // but use the name of it's prefix.
237 Ctx, Scope->getPrefix(), WithGlobalNsPrefix);
241 const Type *Type = Scope->getAsType();
242 // Find decl context.
243 const TagDecl *TD = nullptr;
244 if (const TagType *TagDeclType = Type->getAs<TagType>()) {
245 TD = TagDeclType->getDecl();
246 } else {
247 TD = Type->getAsCXXRecordDecl();
248 }
249 if (TD) {
251 true /*FullyQualified*/,
252 WithGlobalNsPrefix);
253 } else if (const auto *TDD = dyn_cast<TypedefType>(Type)) {
254 return TypeName::createNestedNameSpecifier(Ctx, TDD->getDecl(),
255 true /*FullyQualified*/,
256 WithGlobalNsPrefix);
257 }
258 return Scope;
259 }
260 }
261 llvm_unreachable("bad NNS kind");
262}
263
264/// Create a nested name specifier for the declaring context of
265/// the type.
267 const ASTContext &Ctx, const Decl *Decl,
268 bool FullyQualified, bool WithGlobalNsPrefix) {
269 assert(Decl);
270
272 const auto *Outer = dyn_cast_or_null<NamedDecl>(DC);
273 const auto *OuterNS = dyn_cast_or_null<NamespaceDecl>(DC);
274 if (Outer && !(OuterNS && OuterNS->isAnonymousNamespace())) {
275 if (const auto *CxxDecl = dyn_cast<CXXRecordDecl>(DC)) {
276 if (ClassTemplateDecl *ClassTempl =
277 CxxDecl->getDescribedClassTemplate()) {
278 // We are in the case of a type(def) that was declared in a
279 // class template but is *not* type dependent. In clang, it
280 // gets attached to the class template declaration rather than
281 // any specific class template instantiation. This result in
282 // 'odd' fully qualified typename:
283 //
284 // vector<_Tp,_Alloc>::size_type
285 //
286 // Make the situation is 'useable' but looking a bit odd by
287 // picking a random instance as the declaring context.
288 if (ClassTempl->spec_begin() != ClassTempl->spec_end()) {
289 Decl = *(ClassTempl->spec_begin());
290 Outer = dyn_cast<NamedDecl>(Decl);
291 OuterNS = dyn_cast<NamespaceDecl>(Decl);
292 }
293 }
294 }
295
296 if (OuterNS) {
297 return createNestedNameSpecifier(Ctx, OuterNS, WithGlobalNsPrefix);
298 } else if (const auto *TD = dyn_cast<TagDecl>(Outer)) {
300 Ctx, TD, FullyQualified, WithGlobalNsPrefix);
301 } else if (isa<TranslationUnitDecl>(Outer)) {
302 // Context is the TU. Nothing needs to be done.
303 return nullptr;
304 } else {
305 // Decl's context was neither the TU, a namespace, nor a
306 // TagDecl, which means it is a type local to a scope, and not
307 // accessible at the end of the TU.
308 return nullptr;
309 }
310 } else if (WithGlobalNsPrefix && DC->isTranslationUnit()) {
312 }
313 return nullptr;
314}
315
316/// Create a nested name specifier for the declaring context of
317/// the type.
319 const ASTContext &Ctx, const Type *TypePtr,
320 bool FullyQualified, bool WithGlobalNsPrefix) {
321 if (!TypePtr) return nullptr;
322
323 Decl *Decl = nullptr;
324 // There are probably other cases ...
325 if (const auto *TDT = dyn_cast<TypedefType>(TypePtr)) {
326 Decl = TDT->getDecl();
327 } else if (const auto *TagDeclType = dyn_cast<TagType>(TypePtr)) {
328 Decl = TagDeclType->getDecl();
329 } else if (const auto *TST = dyn_cast<TemplateSpecializationType>(TypePtr)) {
330 Decl = TST->getTemplateName().getAsTemplateDecl();
331 } else {
332 Decl = TypePtr->getAsCXXRecordDecl();
333 }
334
335 if (!Decl) return nullptr;
336
338 Ctx, Decl, FullyQualified, WithGlobalNsPrefix);
339}
340
342 const NamespaceDecl *Namespace,
343 bool WithGlobalNsPrefix) {
344 while (Namespace && Namespace->isInline()) {
345 // Ignore inline namespace;
346 Namespace = dyn_cast<NamespaceDecl>(Namespace->getDeclContext());
347 }
348 if (!Namespace) return nullptr;
349
350 bool FullyQualified = true; // doesn't matter, DeclContexts are namespaces
352 Ctx,
353 createOuterNNS(Ctx, Namespace, FullyQualified, WithGlobalNsPrefix),
354 Namespace);
355}
356
358 const TypeDecl *TD,
359 bool FullyQualify,
360 bool WithGlobalNsPrefix) {
361 const Type *TypePtr = TD->getTypeForDecl();
362 if (isa<const TemplateSpecializationType>(TypePtr) ||
363 isa<const RecordType>(TypePtr)) {
364 // We are asked to fully qualify and we have a Record Type (which
365 // may point to a template specialization) or Template
366 // Specialization Type. We need to fully qualify their arguments.
367
368 TypePtr = getFullyQualifiedTemplateType(Ctx, TypePtr, WithGlobalNsPrefix);
369 }
370
372 Ctx, createOuterNNS(Ctx, TD, FullyQualify, WithGlobalNsPrefix),
373 false /*No TemplateKeyword*/, TypePtr);
374}
375
376/// Return the fully qualified type, including fully-qualified
377/// versions of any template parameters.
379 bool WithGlobalNsPrefix) {
380 // In case of myType* we need to strip the pointer first, fully
381 // qualify and attach the pointer once again.
382 if (isa<PointerType>(QT.getTypePtr())) {
383 // Get the qualifiers.
384 Qualifiers Quals = QT.getQualifiers();
385 QT = getFullyQualifiedType(QT->getPointeeType(), Ctx, WithGlobalNsPrefix);
386 QT = Ctx.getPointerType(QT);
387 // Add back the qualifiers.
388 QT = Ctx.getQualifiedType(QT, Quals);
389 return QT;
390 }
391
392 if (auto *MPT = dyn_cast<MemberPointerType>(QT.getTypePtr())) {
393 // Get the qualifiers.
394 Qualifiers Quals = QT.getQualifiers();
395 // Fully qualify the pointee and class types.
396 QT = getFullyQualifiedType(QT->getPointeeType(), Ctx, WithGlobalNsPrefix);
397 QualType Class = getFullyQualifiedType(QualType(MPT->getClass(), 0), Ctx,
398 WithGlobalNsPrefix);
399 QT = Ctx.getMemberPointerType(QT, Class.getTypePtr());
400 // Add back the qualifiers.
401 QT = Ctx.getQualifiedType(QT, Quals);
402 return QT;
403 }
404
405 // In case of myType& we need to strip the reference first, fully
406 // qualify and attach the reference once again.
407 if (isa<ReferenceType>(QT.getTypePtr())) {
408 // Get the qualifiers.
409 bool IsLValueRefTy = isa<LValueReferenceType>(QT.getTypePtr());
410 Qualifiers Quals = QT.getQualifiers();
411 QT = getFullyQualifiedType(QT->getPointeeType(), Ctx, WithGlobalNsPrefix);
412 // Add the r- or l-value reference type back to the fully
413 // qualified one.
414 if (IsLValueRefTy)
415 QT = Ctx.getLValueReferenceType(QT);
416 else
417 QT = Ctx.getRValueReferenceType(QT);
418 // Add back the qualifiers.
419 QT = Ctx.getQualifiedType(QT, Quals);
420 return QT;
421 }
422
423 // Remove the part of the type related to the type being a template
424 // parameter (we won't report it as part of the 'type name' and it
425 // is actually make the code below to be more complex (to handle
426 // those)
427 while (isa<SubstTemplateTypeParmType>(QT.getTypePtr())) {
428 // Get the qualifiers.
429 Qualifiers Quals = QT.getQualifiers();
430
431 QT = cast<SubstTemplateTypeParmType>(QT.getTypePtr())->desugar();
432
433 // Add back the qualifiers.
434 QT = Ctx.getQualifiedType(QT, Quals);
435 }
436
437 NestedNameSpecifier *Prefix = nullptr;
438 // Local qualifiers are attached to the QualType outside of the
439 // elaborated type. Retrieve them before descending into the
440 // elaborated type.
441 Qualifiers PrefixQualifiers = QT.getLocalQualifiers();
442 QT = QualType(QT.getTypePtr(), 0);
444 if (const auto *ETypeInput = dyn_cast<ElaboratedType>(QT.getTypePtr())) {
445 QT = ETypeInput->getNamedType();
446 assert(!QT.hasLocalQualifiers());
447 Keyword = ETypeInput->getKeyword();
448 }
449
450 // We don't consider the alias introduced by `using a::X` as a new type.
451 // The qualified name is still a::X.
452 if (const auto *UT = QT->getAs<UsingType>()) {
453 QT = Ctx.getQualifiedType(UT->getUnderlyingType(), PrefixQualifiers);
454 return getFullyQualifiedType(QT, Ctx, WithGlobalNsPrefix);
455 }
456
457 // Create a nested name specifier if needed.
459 true /*FullyQualified*/,
460 WithGlobalNsPrefix);
461
462 // In case of template specializations iterate over the arguments and
463 // fully qualify them as well.
464 if (isa<const TemplateSpecializationType>(QT.getTypePtr()) ||
465 isa<const RecordType>(QT.getTypePtr())) {
466 // We are asked to fully qualify and we have a Record Type (which
467 // may point to a template specialization) or Template
468 // Specialization Type. We need to fully qualify their arguments.
469
470 const Type *TypePtr = getFullyQualifiedTemplateType(
471 Ctx, QT.getTypePtr(), WithGlobalNsPrefix);
472 QT = QualType(TypePtr, 0);
473 }
474 if (Prefix || Keyword != ElaboratedTypeKeyword::None) {
475 QT = Ctx.getElaboratedType(Keyword, Prefix, QT);
476 }
477 QT = Ctx.getQualifiedType(QT, PrefixQualifiers);
478 return QT;
479}
480
482 const ASTContext &Ctx,
483 const PrintingPolicy &Policy,
484 bool WithGlobalNsPrefix) {
485 QualType FQQT = getFullyQualifiedType(QT, Ctx, WithGlobalNsPrefix);
486 return FQQT.getAsString(Policy);
487}
488
489} // end namespace TypeName
490} // end namespace clang
Defines the C++ template declaration subclasses.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:185
QualType getRValueReferenceType(QualType T) const
Return the uniqued reference to the type for an rvalue reference to the specified type.
QualType getMemberPointerType(QualType T, const Type *Cls) const
Return the uniqued reference to the type for a member pointer to the specified type in the specified ...
QualType getTemplateSpecializationType(TemplateName T, ArrayRef< TemplateArgument > Args, QualType Canon=QualType()) const
TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, bool TemplateKeyword, TemplateName Template) const
Retrieve the template name that represents a qualified template name such as std::vector.
QualType getPointerType(QualType T) const
Return the uniqued reference to the type for a pointer to the specified type.
QualType getLValueReferenceType(QualType T, bool SpelledAsLValue=true) const
Return the uniqued reference to the type for an lvalue reference to the specified type.
QualType getQualifiedType(SplitQualType split) const
Un-split a SplitQualType.
Definition: ASTContext.h:2166
QualType getElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, QualType NamedType, TagDecl *OwnedTagDecl=nullptr) const
Declaration of a class template.
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
Definition: DeclBase.h:1436
bool isTranslationUnit() const
Definition: DeclBase.h:2142
DeclContext * getRedeclContext()
getRedeclContext - Retrieve the context in which an entity conflicts with other entities of the same ...
Definition: DeclBase.cpp:1938
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:86
DeclContext * getDeclContext()
Definition: DeclBase.h:454
Represent a C++ namespace.
Definition: Decl.h:547
Represents a C++ nested name specifier, such as "\::std::vector<int>::".
static NestedNameSpecifier * Create(const ASTContext &Context, NestedNameSpecifier *Prefix, const IdentifierInfo *II)
Builds a specifier combining a prefix and an identifier.
static NestedNameSpecifier * GlobalSpecifier(const ASTContext &Context)
Returns the nested name specifier representing the global scope.
@ NamespaceAlias
A namespace alias, stored as a NamespaceAliasDecl*.
@ TypeSpec
A type, stored as a Type*.
@ TypeSpecWithTemplate
A type that was preceded by the 'template' keyword, stored as a Type*.
@ Super
Microsoft's '__super' specifier, stored as a CXXRecordDecl* of the class it appeared in.
@ Identifier
An identifier, stored as an IdentifierInfo*.
@ Global
The global specifier '::'. There is no stored value.
@ Namespace
A namespace, stored as a NamespaceDecl*.
A (possibly-)qualified type.
Definition: Type.h:940
bool hasLocalQualifiers() const
Determine whether this particular QualType instance has any qualifiers, without looking through any t...
Definition: Type.h:1067
const Type * getTypePtr() const
Retrieves a pointer to the underlying (unqualified) type.
Definition: Type.h:7361
Qualifiers getQualifiers() const
Retrieve the set of qualifiers applied to this type.
Definition: Type.h:7401
static std::string getAsString(SplitQualType split, const PrintingPolicy &Policy)
Definition: Type.h:1327
Qualifiers getLocalQualifiers() const
Retrieve the set of qualifiers local to this particular QualType instance, not including any qualifie...
Definition: Type.h:7393
Represents a template name that was expressed as a qualified name.
Definition: TemplateName.h:431
NestedNameSpecifier * getQualifier() const
Return the nested name specifier that qualifies this name.
Definition: TemplateName.h:459
bool hasTemplateKeyword() const
Whether the template name was prefixed by the "template" keyword.
Definition: TemplateName.h:463
The collection of all-type qualifiers we support.
Definition: Type.h:318
Scope - A scope is a transient data structure that is used while parsing the program.
Definition: Scope.h:41
Represents the declaration of a struct/union/class/enum.
Definition: Decl.h:3586
A template argument list.
Definition: DeclTemplate.h:244
unsigned size() const
Retrieve the number of template arguments in this template argument list.
Definition: DeclTemplate.h:280
Represents a template argument.
Definition: TemplateBase.h:61
QualType getAsType() const
Retrieve the type for a type template argument.
Definition: TemplateBase.h:319
TemplateName getAsTemplate() const
Retrieve the template name for a template name argument.
Definition: TemplateBase.h:343
@ Template
The template argument is a template name that was provided for a template template parameter.
Definition: TemplateBase.h:93
@ Type
The template argument is a type.
Definition: TemplateBase.h:70
ArgKind getKind() const
Return the kind of stored template argument.
Definition: TemplateBase.h:295
The base class of all kinds of template declarations (e.g., class, function, etc.).
Definition: DeclTemplate.h:394
Represents a C++ template name within the type system.
Definition: TemplateName.h:202
TemplateDecl * getAsTemplateDecl() const
Retrieve the underlying template declaration that this template name refers to, if known.
QualifiedTemplateName * getAsQualifiedTemplateName() const
Retrieve the underlying qualified template name structure, if any.
UsingShadowDecl * getAsUsingShadowDecl() const
Retrieve the using shadow declaration through which the underlying template declaration is introduced...
Represents a declaration of a type.
Definition: Decl.h:3392
const Type * getTypeForDecl() const
Definition: Decl.h:3416
The base class of the type hierarchy.
Definition: Type.h:1813
CXXRecordDecl * getAsCXXRecordDecl() const
Retrieves the CXXRecordDecl that this type refers to, either because the type is a RecordType or beca...
Definition: Type.cpp:1881
QualType getPointeeType() const
If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee.
Definition: Type.cpp:705
const T * getAs() const
Member-template getAs<specific type>'.
Definition: Type.h:8132
Represents a shadow declaration implicitly introduced into a scope by a (resolved) using-declaration ...
Definition: DeclCXX.h:3320
static NestedNameSpecifier * createOuterNNS(const ASTContext &Ctx, const Decl *D, bool FullyQualify, bool WithGlobalNsPrefix)
static bool getFullyQualifiedTemplateName(const ASTContext &Ctx, TemplateName &TName, bool WithGlobalNsPrefix)
static const Type * getFullyQualifiedTemplateType(const ASTContext &Ctx, const Type *TypePtr, bool WithGlobalNsPrefix)
static NestedNameSpecifier * getFullyQualifiedNestedNameSpecifier(const ASTContext &Ctx, NestedNameSpecifier *scope, bool WithGlobalNsPrefix)
Return a fully qualified version of this name specifier.
static bool getFullyQualifiedTemplateArgument(const ASTContext &Ctx, TemplateArgument &Arg, bool WithGlobalNsPrefix)
static NestedNameSpecifier * createNestedNameSpecifierForScopeOf(const ASTContext &Ctx, const Decl *decl, bool FullyQualified, bool WithGlobalNsPrefix)
Create a nested name specifier for the declaring context of the type.
std::string getFullyQualifiedName(QualType QT, const ASTContext &Ctx, const PrintingPolicy &Policy, bool WithGlobalNsPrefix=false)
Get the fully qualified name for a type.
static NestedNameSpecifier * createNestedNameSpecifier(const ASTContext &Ctx, const NamespaceDecl *Namesp, bool WithGlobalNsPrefix)
Create a NestedNameSpecifier for Namesp and its enclosing scopes.
QualType getFullyQualifiedType(QualType QT, const ASTContext &Ctx, bool WithGlobalNsPrefix=false)
Generates a QualType that can be used to name the same type if used at the end of the current transla...
const internal::VariadicAllOfMatcher< Decl > decl
Matches declarations.
The JSON file list parser is used to communicate input to InstallAPI.
ElaboratedTypeKeyword
The elaboration keyword that precedes a qualified type name or introduces an elaborated-type-specifie...
Definition: Type.h:6276
@ None
No keyword precedes the qualified type name.
@ Class
The "class" keyword introduces the elaborated-type-specifier.
Describes how types, statements, expressions, and declarations should be printed.
Definition: PrettyPrinter.h:57