/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/AST/DeclCXX.h
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1 | | //===- DeclCXX.h - Classes for representing C++ declarations --*- C++ -*-=====// |
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 | | // |
9 | | /// \file |
10 | | /// Defines the C++ Decl subclasses, other than those for templates |
11 | | /// (found in DeclTemplate.h) and friends (in DeclFriend.h). |
12 | | // |
13 | | //===----------------------------------------------------------------------===// |
14 | | |
15 | | #ifndef LLVM_CLANG_AST_DECLCXX_H |
16 | | #define LLVM_CLANG_AST_DECLCXX_H |
17 | | |
18 | | #include "clang/AST/ASTUnresolvedSet.h" |
19 | | #include "clang/AST/Decl.h" |
20 | | #include "clang/AST/DeclBase.h" |
21 | | #include "clang/AST/DeclarationName.h" |
22 | | #include "clang/AST/Expr.h" |
23 | | #include "clang/AST/ExternalASTSource.h" |
24 | | #include "clang/AST/LambdaCapture.h" |
25 | | #include "clang/AST/NestedNameSpecifier.h" |
26 | | #include "clang/AST/Redeclarable.h" |
27 | | #include "clang/AST/Stmt.h" |
28 | | #include "clang/AST/Type.h" |
29 | | #include "clang/AST/TypeLoc.h" |
30 | | #include "clang/AST/UnresolvedSet.h" |
31 | | #include "clang/Basic/LLVM.h" |
32 | | #include "clang/Basic/Lambda.h" |
33 | | #include "clang/Basic/LangOptions.h" |
34 | | #include "clang/Basic/OperatorKinds.h" |
35 | | #include "clang/Basic/SourceLocation.h" |
36 | | #include "clang/Basic/Specifiers.h" |
37 | | #include "llvm/ADT/ArrayRef.h" |
38 | | #include "llvm/ADT/DenseMap.h" |
39 | | #include "llvm/ADT/PointerIntPair.h" |
40 | | #include "llvm/ADT/PointerUnion.h" |
41 | | #include "llvm/ADT/STLExtras.h" |
42 | | #include "llvm/ADT/TinyPtrVector.h" |
43 | | #include "llvm/ADT/iterator_range.h" |
44 | | #include "llvm/Support/Casting.h" |
45 | | #include "llvm/Support/Compiler.h" |
46 | | #include "llvm/Support/PointerLikeTypeTraits.h" |
47 | | #include "llvm/Support/TrailingObjects.h" |
48 | | #include <cassert> |
49 | | #include <cstddef> |
50 | | #include <iterator> |
51 | | #include <memory> |
52 | | #include <vector> |
53 | | |
54 | | namespace clang { |
55 | | |
56 | | class ASTContext; |
57 | | class ClassTemplateDecl; |
58 | | class ConstructorUsingShadowDecl; |
59 | | class CXXBasePath; |
60 | | class CXXBasePaths; |
61 | | class CXXConstructorDecl; |
62 | | class CXXDestructorDecl; |
63 | | class CXXFinalOverriderMap; |
64 | | class CXXIndirectPrimaryBaseSet; |
65 | | class CXXMethodDecl; |
66 | | class DecompositionDecl; |
67 | | class FriendDecl; |
68 | | class FunctionTemplateDecl; |
69 | | class IdentifierInfo; |
70 | | class MemberSpecializationInfo; |
71 | | class BaseUsingDecl; |
72 | | class TemplateDecl; |
73 | | class TemplateParameterList; |
74 | | class UsingDecl; |
75 | | |
76 | | /// Represents an access specifier followed by colon ':'. |
77 | | /// |
78 | | /// An objects of this class represents sugar for the syntactic occurrence |
79 | | /// of an access specifier followed by a colon in the list of member |
80 | | /// specifiers of a C++ class definition. |
81 | | /// |
82 | | /// Note that they do not represent other uses of access specifiers, |
83 | | /// such as those occurring in a list of base specifiers. |
84 | | /// Also note that this class has nothing to do with so-called |
85 | | /// "access declarations" (C++98 11.3 [class.access.dcl]). |
86 | | class AccessSpecDecl : public Decl { |
87 | | /// The location of the ':'. |
88 | | SourceLocation ColonLoc; |
89 | | |
90 | | AccessSpecDecl(AccessSpecifier AS, DeclContext *DC, |
91 | | SourceLocation ASLoc, SourceLocation ColonLoc) |
92 | 462k | : Decl(AccessSpec, DC, ASLoc), ColonLoc(ColonLoc) { |
93 | 462k | setAccess(AS); |
94 | 462k | } |
95 | | |
96 | 66.9k | AccessSpecDecl(EmptyShell Empty) : Decl(AccessSpec, Empty) {} |
97 | | |
98 | | virtual void anchor(); |
99 | | |
100 | | public: |
101 | | /// The location of the access specifier. |
102 | 187k | SourceLocation getAccessSpecifierLoc() const { return getLocation(); } |
103 | | |
104 | | /// Sets the location of the access specifier. |
105 | 0 | void setAccessSpecifierLoc(SourceLocation ASLoc) { setLocation(ASLoc); } |
106 | | |
107 | | /// The location of the colon following the access specifier. |
108 | 294k | SourceLocation getColonLoc() const { return ColonLoc; } |
109 | | |
110 | | /// Sets the location of the colon. |
111 | 66.9k | void setColonLoc(SourceLocation CLoc) { ColonLoc = CLoc; } |
112 | | |
113 | 495 | SourceRange getSourceRange() const override LLVM_READONLY { |
114 | 495 | return SourceRange(getAccessSpecifierLoc(), getColonLoc()); |
115 | 495 | } |
116 | | |
117 | | static AccessSpecDecl *Create(ASTContext &C, AccessSpecifier AS, |
118 | | DeclContext *DC, SourceLocation ASLoc, |
119 | 462k | SourceLocation ColonLoc) { |
120 | 462k | return new (C, DC) AccessSpecDecl(AS, DC, ASLoc, ColonLoc); |
121 | 462k | } |
122 | | |
123 | | static AccessSpecDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
124 | | |
125 | | // Implement isa/cast/dyncast/etc. |
126 | 25.2k | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
127 | 25.2k | static bool classofKind(Kind K) { return K == AccessSpec; } |
128 | | }; |
129 | | |
130 | | /// Represents a base class of a C++ class. |
131 | | /// |
132 | | /// Each CXXBaseSpecifier represents a single, direct base class (or |
133 | | /// struct) of a C++ class (or struct). It specifies the type of that |
134 | | /// base class, whether it is a virtual or non-virtual base, and what |
135 | | /// level of access (public, protected, private) is used for the |
136 | | /// derivation. For example: |
137 | | /// |
138 | | /// \code |
139 | | /// class A { }; |
140 | | /// class B { }; |
141 | | /// class C : public virtual A, protected B { }; |
142 | | /// \endcode |
143 | | /// |
144 | | /// In this code, C will have two CXXBaseSpecifiers, one for "public |
145 | | /// virtual A" and the other for "protected B". |
146 | | class CXXBaseSpecifier { |
147 | | /// The source code range that covers the full base |
148 | | /// specifier, including the "virtual" (if present) and access |
149 | | /// specifier (if present). |
150 | | SourceRange Range; |
151 | | |
152 | | /// The source location of the ellipsis, if this is a pack |
153 | | /// expansion. |
154 | | SourceLocation EllipsisLoc; |
155 | | |
156 | | /// Whether this is a virtual base class or not. |
157 | | unsigned Virtual : 1; |
158 | | |
159 | | /// Whether this is the base of a class (true) or of a struct (false). |
160 | | /// |
161 | | /// This determines the mapping from the access specifier as written in the |
162 | | /// source code to the access specifier used for semantic analysis. |
163 | | unsigned BaseOfClass : 1; |
164 | | |
165 | | /// Access specifier as written in the source code (may be AS_none). |
166 | | /// |
167 | | /// The actual type of data stored here is an AccessSpecifier, but we use |
168 | | /// "unsigned" here to work around a VC++ bug. |
169 | | unsigned Access : 2; |
170 | | |
171 | | /// Whether the class contains a using declaration |
172 | | /// to inherit the named class's constructors. |
173 | | unsigned InheritConstructors : 1; |
174 | | |
175 | | /// The type of the base class. |
176 | | /// |
177 | | /// This will be a class or struct (or a typedef of such). The source code |
178 | | /// range does not include the \c virtual or the access specifier. |
179 | | TypeSourceInfo *BaseTypeInfo; |
180 | | |
181 | | public: |
182 | 761k | CXXBaseSpecifier() = default; |
183 | | CXXBaseSpecifier(SourceRange R, bool V, bool BC, AccessSpecifier A, |
184 | | TypeSourceInfo *TInfo, SourceLocation EllipsisLoc) |
185 | | : Range(R), EllipsisLoc(EllipsisLoc), Virtual(V), BaseOfClass(BC), |
186 | 667k | Access(A), InheritConstructors(false), BaseTypeInfo(TInfo) {} |
187 | | |
188 | | /// Retrieves the source range that contains the entire base specifier. |
189 | 670k | SourceRange getSourceRange() const LLVM_READONLY { return Range; } |
190 | 99.9k | SourceLocation getBeginLoc() const LLVM_READONLY { return Range.getBegin(); } |
191 | 12 | SourceLocation getEndLoc() const LLVM_READONLY { return Range.getEnd(); } |
192 | | |
193 | | /// Get the location at which the base class type was written. |
194 | 41.1k | SourceLocation getBaseTypeLoc() const LLVM_READONLY { |
195 | 41.1k | return BaseTypeInfo->getTypeLoc().getBeginLoc(); |
196 | 41.1k | } |
197 | | |
198 | | /// Determines whether the base class is a virtual base class (or not). |
199 | 9.86M | bool isVirtual() const { return Virtual; } |
200 | | |
201 | | /// Determine whether this base class is a base of a class declared |
202 | | /// with the 'class' keyword (vs. one declared with the 'struct' keyword). |
203 | 85.1k | bool isBaseOfClass() const { return BaseOfClass; } |
204 | | |
205 | | /// Determine whether this base specifier is a pack expansion. |
206 | 364k | bool isPackExpansion() const { return EllipsisLoc.isValid(); } |
207 | | |
208 | | /// Determine whether this base class's constructors get inherited. |
209 | 28.6k | bool getInheritConstructors() const { return InheritConstructors; } |
210 | | |
211 | | /// Set that this base class's constructors should be inherited. |
212 | 62.0k | void setInheritConstructors(bool Inherit = true) { |
213 | 62.0k | InheritConstructors = Inherit; |
214 | 62.0k | } |
215 | | |
216 | | /// For a pack expansion, determine the location of the ellipsis. |
217 | 3.90k | SourceLocation getEllipsisLoc() const { |
218 | 3.90k | return EllipsisLoc; |
219 | 3.90k | } |
220 | | |
221 | | /// Returns the access specifier for this base specifier. |
222 | | /// |
223 | | /// This is the actual base specifier as used for semantic analysis, so |
224 | | /// the result can never be AS_none. To retrieve the access specifier as |
225 | | /// written in the source code, use getAccessSpecifierAsWritten(). |
226 | 2.11M | AccessSpecifier getAccessSpecifier() const { |
227 | 2.11M | if ((AccessSpecifier)Access == AS_none) |
228 | 804k | return BaseOfClass? AS_private6.07k : AS_public798k ; |
229 | 1.31M | else |
230 | 1.31M | return (AccessSpecifier)Access; |
231 | 2.11M | } |
232 | | |
233 | | /// Retrieves the access specifier as written in the source code |
234 | | /// (which may mean that no access specifier was explicitly written). |
235 | | /// |
236 | | /// Use getAccessSpecifier() to retrieve the access specifier for use in |
237 | | /// semantic analysis. |
238 | 373k | AccessSpecifier getAccessSpecifierAsWritten() const { |
239 | 373k | return (AccessSpecifier)Access; |
240 | 373k | } |
241 | | |
242 | | /// Retrieves the type of the base class. |
243 | | /// |
244 | | /// This type will always be an unqualified class type. |
245 | 19.6M | QualType getType() const { |
246 | 19.6M | return BaseTypeInfo->getType().getUnqualifiedType(); |
247 | 19.6M | } |
248 | | |
249 | | /// Retrieves the type and source location of the base class. |
250 | 439k | TypeSourceInfo *getTypeSourceInfo() const { return BaseTypeInfo; } |
251 | | }; |
252 | | |
253 | | /// Represents a C++ struct/union/class. |
254 | | class CXXRecordDecl : public RecordDecl { |
255 | | friend class ASTDeclReader; |
256 | | friend class ASTDeclWriter; |
257 | | friend class ASTNodeImporter; |
258 | | friend class ASTReader; |
259 | | friend class ASTRecordWriter; |
260 | | friend class ASTWriter; |
261 | | friend class DeclContext; |
262 | | friend class LambdaExpr; |
263 | | |
264 | | friend void FunctionDecl::setPure(bool); |
265 | | friend void TagDecl::startDefinition(); |
266 | | |
267 | | /// Values used in DefinitionData fields to represent special members. |
268 | | enum SpecialMemberFlags { |
269 | | SMF_DefaultConstructor = 0x1, |
270 | | SMF_CopyConstructor = 0x2, |
271 | | SMF_MoveConstructor = 0x4, |
272 | | SMF_CopyAssignment = 0x8, |
273 | | SMF_MoveAssignment = 0x10, |
274 | | SMF_Destructor = 0x20, |
275 | | SMF_All = 0x3f |
276 | | }; |
277 | | |
278 | | public: |
279 | | enum LambdaDependencyKind { |
280 | | LDK_Unknown = 0, |
281 | | LDK_AlwaysDependent, |
282 | | LDK_NeverDependent, |
283 | | }; |
284 | | |
285 | | private: |
286 | | struct DefinitionData { |
287 | | #define FIELD(Name, Width, Merge) \ |
288 | | unsigned Name : Width; |
289 | | #include "CXXRecordDeclDefinitionBits.def" |
290 | | |
291 | | /// Whether this class describes a C++ lambda. |
292 | | unsigned IsLambda : 1; |
293 | | |
294 | | /// Whether we are currently parsing base specifiers. |
295 | | unsigned IsParsingBaseSpecifiers : 1; |
296 | | |
297 | | /// True when visible conversion functions are already computed |
298 | | /// and are available. |
299 | | unsigned ComputedVisibleConversions : 1; |
300 | | |
301 | | unsigned HasODRHash : 1; |
302 | | |
303 | | /// A hash of parts of the class to help in ODR checking. |
304 | | unsigned ODRHash = 0; |
305 | | |
306 | | /// The number of base class specifiers in Bases. |
307 | | unsigned NumBases = 0; |
308 | | |
309 | | /// The number of virtual base class specifiers in VBases. |
310 | | unsigned NumVBases = 0; |
311 | | |
312 | | /// Base classes of this class. |
313 | | /// |
314 | | /// FIXME: This is wasted space for a union. |
315 | | LazyCXXBaseSpecifiersPtr Bases; |
316 | | |
317 | | /// direct and indirect virtual base classes of this class. |
318 | | LazyCXXBaseSpecifiersPtr VBases; |
319 | | |
320 | | /// The conversion functions of this C++ class (but not its |
321 | | /// inherited conversion functions). |
322 | | /// |
323 | | /// Each of the entries in this overload set is a CXXConversionDecl. |
324 | | LazyASTUnresolvedSet Conversions; |
325 | | |
326 | | /// The conversion functions of this C++ class and all those |
327 | | /// inherited conversion functions that are visible in this class. |
328 | | /// |
329 | | /// Each of the entries in this overload set is a CXXConversionDecl or a |
330 | | /// FunctionTemplateDecl. |
331 | | LazyASTUnresolvedSet VisibleConversions; |
332 | | |
333 | | /// The declaration which defines this record. |
334 | | CXXRecordDecl *Definition; |
335 | | |
336 | | /// The first friend declaration in this class, or null if there |
337 | | /// aren't any. |
338 | | /// |
339 | | /// This is actually currently stored in reverse order. |
340 | | LazyDeclPtr FirstFriend; |
341 | | |
342 | | DefinitionData(CXXRecordDecl *D); |
343 | | |
344 | | /// Retrieve the set of direct base classes. |
345 | 50.2M | CXXBaseSpecifier *getBases() const { |
346 | 50.2M | if (!Bases.isOffset()) |
347 | 50.1M | return Bases.get(nullptr); |
348 | 54.5k | return getBasesSlowCase(); |
349 | 50.2M | } |
350 | | |
351 | | /// Retrieve the set of virtual base classes. |
352 | 3.95M | CXXBaseSpecifier *getVBases() const { |
353 | 3.95M | if (!VBases.isOffset()) |
354 | 3.95M | return VBases.get(nullptr); |
355 | 13 | return getVBasesSlowCase(); |
356 | 3.95M | } |
357 | | |
358 | 24.9k | ArrayRef<CXXBaseSpecifier> bases() const { |
359 | 24.9k | return llvm::makeArrayRef(getBases(), NumBases); |
360 | 24.9k | } |
361 | | |
362 | 117 | ArrayRef<CXXBaseSpecifier> vbases() const { |
363 | 117 | return llvm::makeArrayRef(getVBases(), NumVBases); |
364 | 117 | } |
365 | | |
366 | | private: |
367 | | CXXBaseSpecifier *getBasesSlowCase() const; |
368 | | CXXBaseSpecifier *getVBasesSlowCase() const; |
369 | | }; |
370 | | |
371 | | struct DefinitionData *DefinitionData; |
372 | | |
373 | | /// Describes a C++ closure type (generated by a lambda expression). |
374 | | struct LambdaDefinitionData : public DefinitionData { |
375 | | using Capture = LambdaCapture; |
376 | | |
377 | | /// Whether this lambda is known to be dependent, even if its |
378 | | /// context isn't dependent. |
379 | | /// |
380 | | /// A lambda with a non-dependent context can be dependent if it occurs |
381 | | /// within the default argument of a function template, because the |
382 | | /// lambda will have been created with the enclosing context as its |
383 | | /// declaration context, rather than function. This is an unfortunate |
384 | | /// artifact of having to parse the default arguments before. |
385 | | unsigned DependencyKind : 2; |
386 | | |
387 | | /// Whether this lambda is a generic lambda. |
388 | | unsigned IsGenericLambda : 1; |
389 | | |
390 | | /// The Default Capture. |
391 | | unsigned CaptureDefault : 2; |
392 | | |
393 | | /// The number of captures in this lambda is limited 2^NumCaptures. |
394 | | unsigned NumCaptures : 15; |
395 | | |
396 | | /// The number of explicit captures in this lambda. |
397 | | unsigned NumExplicitCaptures : 13; |
398 | | |
399 | | /// Has known `internal` linkage. |
400 | | unsigned HasKnownInternalLinkage : 1; |
401 | | |
402 | | /// The number used to indicate this lambda expression for name |
403 | | /// mangling in the Itanium C++ ABI. |
404 | | unsigned ManglingNumber : 31; |
405 | | |
406 | | /// The declaration that provides context for this lambda, if the |
407 | | /// actual DeclContext does not suffice. This is used for lambdas that |
408 | | /// occur within default arguments of function parameters within the class |
409 | | /// or within a data member initializer. |
410 | | LazyDeclPtr ContextDecl; |
411 | | |
412 | | /// The list of captures, both explicit and implicit, for this |
413 | | /// lambda. |
414 | | Capture *Captures = nullptr; |
415 | | |
416 | | /// The type of the call method. |
417 | | TypeSourceInfo *MethodTyInfo; |
418 | | |
419 | | LambdaDefinitionData(CXXRecordDecl *D, TypeSourceInfo *Info, unsigned DK, |
420 | | bool IsGeneric, LambdaCaptureDefault CaptureDefault) |
421 | | : DefinitionData(D), DependencyKind(DK), IsGenericLambda(IsGeneric), |
422 | | CaptureDefault(CaptureDefault), NumCaptures(0), |
423 | | NumExplicitCaptures(0), HasKnownInternalLinkage(0), ManglingNumber(0), |
424 | 11.8k | MethodTyInfo(Info) { |
425 | 11.8k | IsLambda = true; |
426 | | |
427 | | // C++1z [expr.prim.lambda]p4: |
428 | | // This class type is not an aggregate type. |
429 | 11.8k | Aggregate = false; |
430 | 11.8k | PlainOldData = false; |
431 | 11.8k | } |
432 | | }; |
433 | | |
434 | 330M | struct DefinitionData *dataPtr() const { |
435 | | // Complete the redecl chain (if necessary). |
436 | 330M | getMostRecentDecl(); |
437 | 330M | return DefinitionData; |
438 | 330M | } |
439 | | |
440 | 328M | struct DefinitionData &data() const { |
441 | 328M | auto *DD = dataPtr(); |
442 | 328M | assert(DD && "queried property of class with no definition"); |
443 | 0 | return *DD; |
444 | 328M | } |
445 | | |
446 | 1.17M | struct LambdaDefinitionData &getLambdaData() const { |
447 | | // No update required: a merged definition cannot change any lambda |
448 | | // properties. |
449 | 1.17M | auto *DD = DefinitionData; |
450 | 1.17M | assert(DD && DD->IsLambda && "queried lambda property of non-lambda class"); |
451 | 0 | return static_cast<LambdaDefinitionData&>(*DD); |
452 | 1.17M | } |
453 | | |
454 | | /// The template or declaration that this declaration |
455 | | /// describes or was instantiated from, respectively. |
456 | | /// |
457 | | /// For non-templates, this value will be null. For record |
458 | | /// declarations that describe a class template, this will be a |
459 | | /// pointer to a ClassTemplateDecl. For member |
460 | | /// classes of class template specializations, this will be the |
461 | | /// MemberSpecializationInfo referring to the member class that was |
462 | | /// instantiated or specialized. |
463 | | llvm::PointerUnion<ClassTemplateDecl *, MemberSpecializationInfo *> |
464 | | TemplateOrInstantiation; |
465 | | |
466 | | /// Called from setBases and addedMember to notify the class that a |
467 | | /// direct or virtual base class or a member of class type has been added. |
468 | | void addedClassSubobject(CXXRecordDecl *Base); |
469 | | |
470 | | /// Notify the class that member has been added. |
471 | | /// |
472 | | /// This routine helps maintain information about the class based on which |
473 | | /// members have been added. It will be invoked by DeclContext::addDecl() |
474 | | /// whenever a member is added to this record. |
475 | | void addedMember(Decl *D); |
476 | | |
477 | | void markedVirtualFunctionPure(); |
478 | | |
479 | | /// Get the head of our list of friend declarations, possibly |
480 | | /// deserializing the friends from an external AST source. |
481 | | FriendDecl *getFirstFriend() const; |
482 | | |
483 | | /// Determine whether this class has an empty base class subobject of type X |
484 | | /// or of one of the types that might be at offset 0 within X (per the C++ |
485 | | /// "standard layout" rules). |
486 | | bool hasSubobjectAtOffsetZeroOfEmptyBaseType(ASTContext &Ctx, |
487 | | const CXXRecordDecl *X); |
488 | | |
489 | | protected: |
490 | | CXXRecordDecl(Kind K, TagKind TK, const ASTContext &C, DeclContext *DC, |
491 | | SourceLocation StartLoc, SourceLocation IdLoc, |
492 | | IdentifierInfo *Id, CXXRecordDecl *PrevDecl); |
493 | | |
494 | | public: |
495 | | /// Iterator that traverses the base classes of a class. |
496 | | using base_class_iterator = CXXBaseSpecifier *; |
497 | | |
498 | | /// Iterator that traverses the base classes of a class. |
499 | | using base_class_const_iterator = const CXXBaseSpecifier *; |
500 | | |
501 | 52.6M | CXXRecordDecl *getCanonicalDecl() override { |
502 | 52.6M | return cast<CXXRecordDecl>(RecordDecl::getCanonicalDecl()); |
503 | 52.6M | } |
504 | | |
505 | 8.34M | const CXXRecordDecl *getCanonicalDecl() const { |
506 | 8.34M | return const_cast<CXXRecordDecl*>(this)->getCanonicalDecl(); |
507 | 8.34M | } |
508 | | |
509 | 2.20M | CXXRecordDecl *getPreviousDecl() { |
510 | 2.20M | return cast_or_null<CXXRecordDecl>( |
511 | 2.20M | static_cast<RecordDecl *>(this)->getPreviousDecl()); |
512 | 2.20M | } |
513 | | |
514 | 269k | const CXXRecordDecl *getPreviousDecl() const { |
515 | 269k | return const_cast<CXXRecordDecl*>(this)->getPreviousDecl(); |
516 | 269k | } |
517 | | |
518 | 333M | CXXRecordDecl *getMostRecentDecl() { |
519 | 333M | return cast<CXXRecordDecl>( |
520 | 333M | static_cast<RecordDecl *>(this)->getMostRecentDecl()); |
521 | 333M | } |
522 | | |
523 | 330M | const CXXRecordDecl *getMostRecentDecl() const { |
524 | 330M | return const_cast<CXXRecordDecl*>(this)->getMostRecentDecl(); |
525 | 330M | } |
526 | | |
527 | 2.60M | CXXRecordDecl *getMostRecentNonInjectedDecl() { |
528 | 2.60M | CXXRecordDecl *Recent = |
529 | 2.60M | static_cast<CXXRecordDecl *>(this)->getMostRecentDecl(); |
530 | 2.60M | while (Recent->isInjectedClassName()) { |
531 | | // FIXME: Does injected class name need to be in the redeclarations chain? |
532 | 0 | assert(Recent->getPreviousDecl()); |
533 | 0 | Recent = Recent->getPreviousDecl(); |
534 | 0 | } |
535 | 2.60M | return Recent; |
536 | 2.60M | } |
537 | | |
538 | 4.15k | const CXXRecordDecl *getMostRecentNonInjectedDecl() const { |
539 | 4.15k | return const_cast<CXXRecordDecl*>(this)->getMostRecentNonInjectedDecl(); |
540 | 4.15k | } |
541 | | |
542 | 102M | CXXRecordDecl *getDefinition() const { |
543 | | // We only need an update if we don't already know which |
544 | | // declaration is the definition. |
545 | 102M | auto *DD = DefinitionData ? DefinitionData101M : dataPtr()1.50M ; |
546 | 102M | return DD ? DD->Definition101M : nullptr1.50M ; |
547 | 102M | } |
548 | | |
549 | 5.81M | bool hasDefinition() const { return DefinitionData || dataPtr()229k ; } |
550 | | |
551 | | static CXXRecordDecl *Create(const ASTContext &C, TagKind TK, DeclContext *DC, |
552 | | SourceLocation StartLoc, SourceLocation IdLoc, |
553 | | IdentifierInfo *Id, |
554 | | CXXRecordDecl *PrevDecl = nullptr, |
555 | | bool DelayTypeCreation = false); |
556 | | static CXXRecordDecl *CreateLambda(const ASTContext &C, DeclContext *DC, |
557 | | TypeSourceInfo *Info, SourceLocation Loc, |
558 | | unsigned DependencyKind, bool IsGeneric, |
559 | | LambdaCaptureDefault CaptureDefault); |
560 | | static CXXRecordDecl *CreateDeserialized(const ASTContext &C, unsigned ID); |
561 | | |
562 | 5.59M | bool isDynamicClass() const { |
563 | 5.59M | return data().Polymorphic || data().NumVBases != 05.40M ; |
564 | 5.59M | } |
565 | | |
566 | | /// @returns true if class is dynamic or might be dynamic because the |
567 | | /// definition is incomplete of dependent. |
568 | 26 | bool mayBeDynamicClass() const { |
569 | 26 | return !hasDefinition() || isDynamicClass()16 || hasAnyDependentBases()3 ; |
570 | 26 | } |
571 | | |
572 | | /// @returns true if class is non dynamic or might be non dynamic because the |
573 | | /// definition is incomplete of dependent. |
574 | 13 | bool mayBeNonDynamicClass() const { |
575 | 13 | return !hasDefinition() || !isDynamicClass()5 || hasAnyDependentBases()3 ; |
576 | 13 | } |
577 | | |
578 | 265k | void setIsParsingBaseSpecifiers() { data().IsParsingBaseSpecifiers = true; } |
579 | | |
580 | 2.06k | bool isParsingBaseSpecifiers() const { |
581 | 2.06k | return data().IsParsingBaseSpecifiers; |
582 | 2.06k | } |
583 | | |
584 | | unsigned getODRHash() const; |
585 | | |
586 | | /// Sets the base classes of this struct or class. |
587 | | void setBases(CXXBaseSpecifier const * const *Bases, unsigned NumBases); |
588 | | |
589 | | /// Retrieves the number of base classes of this class. |
590 | 1.23M | unsigned getNumBases() const { return data().NumBases; } |
591 | | |
592 | | using base_class_range = llvm::iterator_range<base_class_iterator>; |
593 | | using base_class_const_range = |
594 | | llvm::iterator_range<base_class_const_iterator>; |
595 | | |
596 | 3.19M | base_class_range bases() { |
597 | 3.19M | return base_class_range(bases_begin(), bases_end()); |
598 | 3.19M | } |
599 | 16.8M | base_class_const_range bases() const { |
600 | 16.8M | return base_class_const_range(bases_begin(), bases_end()); |
601 | 16.8M | } |
602 | | |
603 | 7.46M | base_class_iterator bases_begin() { return data().getBases(); } |
604 | 42.0M | base_class_const_iterator bases_begin() const { return data().getBases(); } |
605 | 3.55M | base_class_iterator bases_end() { return bases_begin() + data().NumBases; } |
606 | 21.0M | base_class_const_iterator bases_end() const { |
607 | 21.0M | return bases_begin() + data().NumBases; |
608 | 21.0M | } |
609 | | |
610 | | /// Retrieves the number of virtual base classes of this class. |
611 | 3.40M | unsigned getNumVBases() const { return data().NumVBases; } |
612 | | |
613 | 1.40M | base_class_range vbases() { |
614 | 1.40M | return base_class_range(vbases_begin(), vbases_end()); |
615 | 1.40M | } |
616 | 542k | base_class_const_range vbases() const { |
617 | 542k | return base_class_const_range(vbases_begin(), vbases_end()); |
618 | 542k | } |
619 | | |
620 | 2.81M | base_class_iterator vbases_begin() { return data().getVBases(); } |
621 | 1.13M | base_class_const_iterator vbases_begin() const { return data().getVBases(); } |
622 | 1.40M | base_class_iterator vbases_end() { return vbases_begin() + data().NumVBases; } |
623 | 567k | base_class_const_iterator vbases_end() const { |
624 | 567k | return vbases_begin() + data().NumVBases; |
625 | 567k | } |
626 | | |
627 | | /// Determine whether this class has any dependent base classes which |
628 | | /// are not the current instantiation. |
629 | | bool hasAnyDependentBases() const; |
630 | | |
631 | | /// Iterator access to method members. The method iterator visits |
632 | | /// all method members of the class, including non-instance methods, |
633 | | /// special methods, etc. |
634 | | using method_iterator = specific_decl_iterator<CXXMethodDecl>; |
635 | | using method_range = |
636 | | llvm::iterator_range<specific_decl_iterator<CXXMethodDecl>>; |
637 | | |
638 | 3.10M | method_range methods() const { |
639 | 3.10M | return method_range(method_begin(), method_end()); |
640 | 3.10M | } |
641 | | |
642 | | /// Method begin iterator. Iterates in the order the methods |
643 | | /// were declared. |
644 | 3.10M | method_iterator method_begin() const { |
645 | 3.10M | return method_iterator(decls_begin()); |
646 | 3.10M | } |
647 | | |
648 | | /// Method past-the-end iterator. |
649 | 3.10M | method_iterator method_end() const { |
650 | 3.10M | return method_iterator(decls_end()); |
651 | 3.10M | } |
652 | | |
653 | | /// Iterator access to constructor members. |
654 | | using ctor_iterator = specific_decl_iterator<CXXConstructorDecl>; |
655 | | using ctor_range = |
656 | | llvm::iterator_range<specific_decl_iterator<CXXConstructorDecl>>; |
657 | | |
658 | 6.32k | ctor_range ctors() const { return ctor_range(ctor_begin(), ctor_end()); } |
659 | | |
660 | 6.33k | ctor_iterator ctor_begin() const { |
661 | 6.33k | return ctor_iterator(decls_begin()); |
662 | 6.33k | } |
663 | | |
664 | 6.32k | ctor_iterator ctor_end() const { |
665 | 6.32k | return ctor_iterator(decls_end()); |
666 | 6.32k | } |
667 | | |
668 | | /// An iterator over friend declarations. All of these are defined |
669 | | /// in DeclFriend.h. |
670 | | class friend_iterator; |
671 | | using friend_range = llvm::iterator_range<friend_iterator>; |
672 | | |
673 | | friend_range friends() const; |
674 | | friend_iterator friend_begin() const; |
675 | | friend_iterator friend_end() const; |
676 | | void pushFriendDecl(FriendDecl *FD); |
677 | | |
678 | | /// Determines whether this record has any friends. |
679 | 29 | bool hasFriends() const { |
680 | 29 | return data().FirstFriend.isValid(); |
681 | 29 | } |
682 | | |
683 | | /// \c true if a defaulted copy constructor for this class would be |
684 | | /// deleted. |
685 | 1.22M | bool defaultedCopyConstructorIsDeleted() const { |
686 | 1.22M | assert((!needsOverloadResolutionForCopyConstructor() || |
687 | 1.22M | (data().DeclaredSpecialMembers & SMF_CopyConstructor)) && |
688 | 1.22M | "this property has not yet been computed by Sema"); |
689 | 0 | return data().DefaultedCopyConstructorIsDeleted; |
690 | 1.22M | } |
691 | | |
692 | | /// \c true if a defaulted move constructor for this class would be |
693 | | /// deleted. |
694 | 1.19M | bool defaultedMoveConstructorIsDeleted() const { |
695 | 1.19M | assert((!needsOverloadResolutionForMoveConstructor() || |
696 | 1.19M | (data().DeclaredSpecialMembers & SMF_MoveConstructor)) && |
697 | 1.19M | "this property has not yet been computed by Sema"); |
698 | 0 | return data().DefaultedMoveConstructorIsDeleted; |
699 | 1.19M | } |
700 | | |
701 | | /// \c true if a defaulted destructor for this class would be deleted. |
702 | 1.21M | bool defaultedDestructorIsDeleted() const { |
703 | 1.21M | assert((!needsOverloadResolutionForDestructor() || |
704 | 1.21M | (data().DeclaredSpecialMembers & SMF_Destructor)) && |
705 | 1.21M | "this property has not yet been computed by Sema"); |
706 | 0 | return data().DefaultedDestructorIsDeleted; |
707 | 1.21M | } |
708 | | |
709 | | /// \c true if we know for sure that this class has a single, |
710 | | /// accessible, unambiguous copy constructor that is not deleted. |
711 | 900k | bool hasSimpleCopyConstructor() const { |
712 | 900k | return !hasUserDeclaredCopyConstructor() && |
713 | 900k | !data().DefaultedCopyConstructorIsDeleted872k ; |
714 | 900k | } |
715 | | |
716 | | /// \c true if we know for sure that this class has a single, |
717 | | /// accessible, unambiguous move constructor that is not deleted. |
718 | 900k | bool hasSimpleMoveConstructor() const { |
719 | 900k | return !hasUserDeclaredMoveConstructor() && hasMoveConstructor()887k && |
720 | 900k | !data().DefaultedMoveConstructorIsDeleted857k ; |
721 | 900k | } |
722 | | |
723 | | /// \c true if we know for sure that this class has a single, |
724 | | /// accessible, unambiguous copy assignment operator that is not deleted. |
725 | 900k | bool hasSimpleCopyAssignment() const { |
726 | 900k | return !hasUserDeclaredCopyAssignment() && |
727 | 900k | !data().DefaultedCopyAssignmentIsDeleted878k ; |
728 | 900k | } |
729 | | |
730 | | /// \c true if we know for sure that this class has a single, |
731 | | /// accessible, unambiguous move assignment operator that is not deleted. |
732 | 900k | bool hasSimpleMoveAssignment() const { |
733 | 900k | return !hasUserDeclaredMoveAssignment() && hasMoveAssignment()890k && |
734 | 900k | !data().DefaultedMoveAssignmentIsDeleted856k ; |
735 | 900k | } |
736 | | |
737 | | /// \c true if we know for sure that this class has an accessible |
738 | | /// destructor that is not deleted. |
739 | 900k | bool hasSimpleDestructor() const { |
740 | 900k | return !hasUserDeclaredDestructor() && |
741 | 900k | !data().DefaultedDestructorIsDeleted861k ; |
742 | 900k | } |
743 | | |
744 | | /// Determine whether this class has any default constructors. |
745 | 1.20M | bool hasDefaultConstructor() const { |
746 | 1.20M | return (data().DeclaredSpecialMembers & SMF_DefaultConstructor) || |
747 | 1.20M | needsImplicitDefaultConstructor()775k ; |
748 | 1.20M | } |
749 | | |
750 | | /// Determine if we need to declare a default constructor for |
751 | | /// this class. |
752 | | /// |
753 | | /// This value is used for lazy creation of default constructors. |
754 | 3.82M | bool needsImplicitDefaultConstructor() const { |
755 | 3.82M | return (!data().UserDeclaredConstructor && |
756 | 3.82M | !(data().DeclaredSpecialMembers & SMF_DefaultConstructor)3.10M && |
757 | 3.82M | (2.97M !isLambda()2.97M || lambdaIsDefaultConstructibleAndAssignable()18.8k )) || |
758 | | // FIXME: Proposed fix to core wording issue: if a class inherits |
759 | | // a default constructor and doesn't explicitly declare one, one |
760 | | // is declared implicitly. |
761 | 3.82M | (869k data().HasInheritedDefaultConstructor869k && |
762 | 869k | !(data().DeclaredSpecialMembers & SMF_DefaultConstructor)829 ); |
763 | 3.82M | } |
764 | | |
765 | | /// Determine whether this class has any user-declared constructors. |
766 | | /// |
767 | | /// When true, a default constructor will not be implicitly declared. |
768 | 1.45M | bool hasUserDeclaredConstructor() const { |
769 | 1.45M | return data().UserDeclaredConstructor; |
770 | 1.45M | } |
771 | | |
772 | | /// Whether this class has a user-provided default constructor |
773 | | /// per C++11. |
774 | 1.67k | bool hasUserProvidedDefaultConstructor() const { |
775 | 1.67k | return data().UserProvidedDefaultConstructor; |
776 | 1.67k | } |
777 | | |
778 | | /// Determine whether this class has a user-declared copy constructor. |
779 | | /// |
780 | | /// When false, a copy constructor will be implicitly declared. |
781 | 10.4M | bool hasUserDeclaredCopyConstructor() const { |
782 | 10.4M | return data().UserDeclaredSpecialMembers & SMF_CopyConstructor; |
783 | 10.4M | } |
784 | | |
785 | | /// Determine whether this class needs an implicit copy |
786 | | /// constructor to be lazily declared. |
787 | 3.94M | bool needsImplicitCopyConstructor() const { |
788 | 3.94M | return !(data().DeclaredSpecialMembers & SMF_CopyConstructor); |
789 | 3.94M | } |
790 | | |
791 | | /// Determine whether we need to eagerly declare a defaulted copy |
792 | | /// constructor for this class. |
793 | 2.73M | bool needsOverloadResolutionForCopyConstructor() const { |
794 | | // C++17 [class.copy.ctor]p6: |
795 | | // If the class definition declares a move constructor or move assignment |
796 | | // operator, the implicitly declared copy constructor is defined as |
797 | | // deleted. |
798 | | // In MSVC mode, sometimes a declared move assignment does not delete an |
799 | | // implicit copy constructor, so defer this choice to Sema. |
800 | 2.73M | if (data().UserDeclaredSpecialMembers & |
801 | 2.73M | (SMF_MoveConstructor | SMF_MoveAssignment)) |
802 | 10.4k | return true; |
803 | 2.72M | return data().NeedOverloadResolutionForCopyConstructor; |
804 | 2.73M | } |
805 | | |
806 | | /// Determine whether an implicit copy constructor for this type |
807 | | /// would have a parameter with a const-qualified reference type. |
808 | 720k | bool implicitCopyConstructorHasConstParam() const { |
809 | 720k | return data().ImplicitCopyConstructorCanHaveConstParamForNonVBase && |
810 | 720k | (720k isAbstract()720k || |
811 | 720k | data().ImplicitCopyConstructorCanHaveConstParamForVBase719k ); |
812 | 720k | } |
813 | | |
814 | | /// Determine whether this class has a copy constructor with |
815 | | /// a parameter type which is a reference to a const-qualified type. |
816 | 897k | bool hasCopyConstructorWithConstParam() const { |
817 | 897k | return data().HasDeclaredCopyConstructorWithConstParam || |
818 | 897k | (585k needsImplicitCopyConstructor()585k && |
819 | 585k | implicitCopyConstructorHasConstParam()585k ); |
820 | 897k | } |
821 | | |
822 | | /// Whether this class has a user-declared move constructor or |
823 | | /// assignment operator. |
824 | | /// |
825 | | /// When false, a move constructor and assignment operator may be |
826 | | /// implicitly declared. |
827 | 0 | bool hasUserDeclaredMoveOperation() const { |
828 | 0 | return data().UserDeclaredSpecialMembers & |
829 | 0 | (SMF_MoveConstructor | SMF_MoveAssignment); |
830 | 0 | } |
831 | | |
832 | | /// Determine whether this class has had a move constructor |
833 | | /// declared by the user. |
834 | 4.31M | bool hasUserDeclaredMoveConstructor() const { |
835 | 4.31M | return data().UserDeclaredSpecialMembers & SMF_MoveConstructor; |
836 | 4.31M | } |
837 | | |
838 | | /// Determine whether this class has a move constructor. |
839 | 4.05M | bool hasMoveConstructor() const { |
840 | 4.05M | return (data().DeclaredSpecialMembers & SMF_MoveConstructor) || |
841 | 4.05M | needsImplicitMoveConstructor()3.21M ; |
842 | 4.05M | } |
843 | | |
844 | | /// Set that we attempted to declare an implicit copy |
845 | | /// constructor, but overload resolution failed so we deleted it. |
846 | 10.3k | void setImplicitCopyConstructorIsDeleted() { |
847 | 10.3k | assert((data().DefaultedCopyConstructorIsDeleted || |
848 | 10.3k | needsOverloadResolutionForCopyConstructor()) && |
849 | 10.3k | "Copy constructor should not be deleted"); |
850 | 0 | data().DefaultedCopyConstructorIsDeleted = true; |
851 | 10.3k | } |
852 | | |
853 | | /// Set that we attempted to declare an implicit move |
854 | | /// constructor, but overload resolution failed so we deleted it. |
855 | 1.98k | void setImplicitMoveConstructorIsDeleted() { |
856 | 1.98k | assert((data().DefaultedMoveConstructorIsDeleted || |
857 | 1.98k | needsOverloadResolutionForMoveConstructor()) && |
858 | 1.98k | "move constructor should not be deleted"); |
859 | 0 | data().DefaultedMoveConstructorIsDeleted = true; |
860 | 1.98k | } |
861 | | |
862 | | /// Set that we attempted to declare an implicit destructor, |
863 | | /// but overload resolution failed so we deleted it. |
864 | 795 | void setImplicitDestructorIsDeleted() { |
865 | 795 | assert((data().DefaultedDestructorIsDeleted || |
866 | 795 | needsOverloadResolutionForDestructor()) && |
867 | 795 | "destructor should not be deleted"); |
868 | 0 | data().DefaultedDestructorIsDeleted = true; |
869 | 795 | } |
870 | | |
871 | | /// Determine whether this class should get an implicit move |
872 | | /// constructor or if any existing special member function inhibits this. |
873 | 6.72M | bool needsImplicitMoveConstructor() const { |
874 | 6.72M | return !(data().DeclaredSpecialMembers & SMF_MoveConstructor) && |
875 | 6.72M | !hasUserDeclaredCopyConstructor()6.22M && |
876 | 6.72M | !hasUserDeclaredCopyAssignment()5.99M && |
877 | 6.72M | !hasUserDeclaredMoveAssignment()5.98M && |
878 | 6.72M | !hasUserDeclaredDestructor()5.98M ; |
879 | 6.72M | } |
880 | | |
881 | | /// Determine whether we need to eagerly declare a defaulted move |
882 | | /// constructor for this class. |
883 | 2.63M | bool needsOverloadResolutionForMoveConstructor() const { |
884 | 2.63M | return data().NeedOverloadResolutionForMoveConstructor; |
885 | 2.63M | } |
886 | | |
887 | | /// Determine whether this class has a user-declared copy assignment |
888 | | /// operator. |
889 | | /// |
890 | | /// When false, a copy assignment operator will be implicitly declared. |
891 | 10.1M | bool hasUserDeclaredCopyAssignment() const { |
892 | 10.1M | return data().UserDeclaredSpecialMembers & SMF_CopyAssignment; |
893 | 10.1M | } |
894 | | |
895 | | /// Set that we attempted to declare an implicit copy assignment |
896 | | /// operator, but overload resolution failed so we deleted it. |
897 | 12.0k | void setImplicitCopyAssignmentIsDeleted() { |
898 | 12.0k | assert((data().DefaultedCopyAssignmentIsDeleted || |
899 | 12.0k | needsOverloadResolutionForCopyAssignment()) && |
900 | 12.0k | "copy assignment should not be deleted"); |
901 | 0 | data().DefaultedCopyAssignmentIsDeleted = true; |
902 | 12.0k | } |
903 | | |
904 | | /// Determine whether this class needs an implicit copy |
905 | | /// assignment operator to be lazily declared. |
906 | 2.26M | bool needsImplicitCopyAssignment() const { |
907 | 2.26M | return !(data().DeclaredSpecialMembers & SMF_CopyAssignment); |
908 | 2.26M | } |
909 | | |
910 | | /// Determine whether we need to eagerly declare a defaulted copy |
911 | | /// assignment operator for this class. |
912 | 1.31M | bool needsOverloadResolutionForCopyAssignment() const { |
913 | | // C++20 [class.copy.assign]p2: |
914 | | // If the class definition declares a move constructor or move assignment |
915 | | // operator, the implicitly declared copy assignment operator is defined |
916 | | // as deleted. |
917 | | // In MSVC mode, sometimes a declared move constructor does not delete an |
918 | | // implicit copy assignment, so defer this choice to Sema. |
919 | 1.31M | if (data().UserDeclaredSpecialMembers & |
920 | 1.31M | (SMF_MoveConstructor | SMF_MoveAssignment)) |
921 | 10.1k | return true; |
922 | 1.30M | return data().NeedOverloadResolutionForCopyAssignment; |
923 | 1.31M | } |
924 | | |
925 | | /// Determine whether an implicit copy assignment operator for this |
926 | | /// type would have a parameter with a const-qualified reference type. |
927 | 894k | bool implicitCopyAssignmentHasConstParam() const { |
928 | 894k | return data().ImplicitCopyAssignmentHasConstParam; |
929 | 894k | } |
930 | | |
931 | | /// Determine whether this class has a copy assignment operator with |
932 | | /// a parameter type which is a reference to a const-qualified type or is not |
933 | | /// a reference. |
934 | 895k | bool hasCopyAssignmentWithConstParam() const { |
935 | 895k | return data().HasDeclaredCopyAssignmentWithConstParam || |
936 | 895k | (837k needsImplicitCopyAssignment()837k && |
937 | 837k | implicitCopyAssignmentHasConstParam()837k ); |
938 | 895k | } |
939 | | |
940 | | /// Determine whether this class has had a move assignment |
941 | | /// declared by the user. |
942 | 7.07M | bool hasUserDeclaredMoveAssignment() const { |
943 | 7.07M | return data().UserDeclaredSpecialMembers & SMF_MoveAssignment; |
944 | 7.07M | } |
945 | | |
946 | | /// Determine whether this class has a move assignment operator. |
947 | 1.81M | bool hasMoveAssignment() const { |
948 | 1.81M | return (data().DeclaredSpecialMembers & SMF_MoveAssignment) || |
949 | 1.81M | needsImplicitMoveAssignment()1.76M ; |
950 | 1.81M | } |
951 | | |
952 | | /// Set that we attempted to declare an implicit move assignment |
953 | | /// operator, but overload resolution failed so we deleted it. |
954 | 2.86k | void setImplicitMoveAssignmentIsDeleted() { |
955 | 2.86k | assert((data().DefaultedMoveAssignmentIsDeleted || |
956 | 2.86k | needsOverloadResolutionForMoveAssignment()) && |
957 | 2.86k | "move assignment should not be deleted"); |
958 | 0 | data().DefaultedMoveAssignmentIsDeleted = true; |
959 | 2.86k | } |
960 | | |
961 | | /// Determine whether this class should get an implicit move |
962 | | /// assignment operator or if any existing special member function inhibits |
963 | | /// this. |
964 | 3.36M | bool needsImplicitMoveAssignment() const { |
965 | 3.36M | return !(data().DeclaredSpecialMembers & SMF_MoveAssignment) && |
966 | 3.36M | !hasUserDeclaredCopyConstructor()3.31M && |
967 | 3.36M | !hasUserDeclaredCopyAssignment()3.22M && |
968 | 3.36M | !hasUserDeclaredMoveConstructor()3.22M && |
969 | 3.36M | !hasUserDeclaredDestructor()3.22M && |
970 | 3.36M | (3.16M !isLambda()3.16M || lambdaIsDefaultConstructibleAndAssignable()14.3k ); |
971 | 3.36M | } |
972 | | |
973 | | /// Determine whether we need to eagerly declare a move assignment |
974 | | /// operator for this class. |
975 | 1.25M | bool needsOverloadResolutionForMoveAssignment() const { |
976 | 1.25M | return data().NeedOverloadResolutionForMoveAssignment; |
977 | 1.25M | } |
978 | | |
979 | | /// Determine whether this class has a user-declared destructor. |
980 | | /// |
981 | | /// When false, a destructor will be implicitly declared. |
982 | 11.4M | bool hasUserDeclaredDestructor() const { |
983 | 11.4M | return data().UserDeclaredSpecialMembers & SMF_Destructor; |
984 | 11.4M | } |
985 | | |
986 | | /// Determine whether this class needs an implicit destructor to |
987 | | /// be lazily declared. |
988 | 2.88M | bool needsImplicitDestructor() const { |
989 | 2.88M | return !(data().DeclaredSpecialMembers & SMF_Destructor); |
990 | 2.88M | } |
991 | | |
992 | | /// Determine whether we need to eagerly declare a destructor for this |
993 | | /// class. |
994 | 2.46M | bool needsOverloadResolutionForDestructor() const { |
995 | 2.46M | return data().NeedOverloadResolutionForDestructor; |
996 | 2.46M | } |
997 | | |
998 | | /// Determine whether this class describes a lambda function object. |
999 | 152M | bool isLambda() const { |
1000 | | // An update record can't turn a non-lambda into a lambda. |
1001 | 152M | auto *DD = DefinitionData; |
1002 | 152M | return DD && DD->IsLambda140M ; |
1003 | 152M | } |
1004 | | |
1005 | | /// Determine whether this class describes a generic |
1006 | | /// lambda function object (i.e. function call operator is |
1007 | | /// a template). |
1008 | | bool isGenericLambda() const; |
1009 | | |
1010 | | /// Determine whether this lambda should have an implicit default constructor |
1011 | | /// and copy and move assignment operators. |
1012 | | bool lambdaIsDefaultConstructibleAndAssignable() const; |
1013 | | |
1014 | | /// Retrieve the lambda call operator of the closure type |
1015 | | /// if this is a closure type. |
1016 | | CXXMethodDecl *getLambdaCallOperator() const; |
1017 | | |
1018 | | /// Retrieve the dependent lambda call operator of the closure type |
1019 | | /// if this is a templated closure type. |
1020 | | FunctionTemplateDecl *getDependentLambdaCallOperator() const; |
1021 | | |
1022 | | /// Retrieve the lambda static invoker, the address of which |
1023 | | /// is returned by the conversion operator, and the body of which |
1024 | | /// is forwarded to the lambda call operator. The version that does not |
1025 | | /// take a calling convention uses the 'default' calling convention for free |
1026 | | /// functions if the Lambda's calling convention was not modified via |
1027 | | /// attribute. Otherwise, it will return the calling convention specified for |
1028 | | /// the lambda. |
1029 | | CXXMethodDecl *getLambdaStaticInvoker() const; |
1030 | | CXXMethodDecl *getLambdaStaticInvoker(CallingConv CC) const; |
1031 | | |
1032 | | /// Retrieve the generic lambda's template parameter list. |
1033 | | /// Returns null if the class does not represent a lambda or a generic |
1034 | | /// lambda. |
1035 | | TemplateParameterList *getGenericLambdaTemplateParameterList() const; |
1036 | | |
1037 | | /// Retrieve the lambda template parameters that were specified explicitly. |
1038 | | ArrayRef<NamedDecl *> getLambdaExplicitTemplateParameters() const; |
1039 | | |
1040 | 74.6k | LambdaCaptureDefault getLambdaCaptureDefault() const { |
1041 | 74.6k | assert(isLambda()); |
1042 | 0 | return static_cast<LambdaCaptureDefault>(getLambdaData().CaptureDefault); |
1043 | 74.6k | } |
1044 | | |
1045 | | /// Set the captures for this lambda closure type. |
1046 | | void setCaptures(ASTContext &Context, ArrayRef<LambdaCapture> Captures); |
1047 | | |
1048 | | /// For a closure type, retrieve the mapping from captured |
1049 | | /// variables and \c this to the non-static data members that store the |
1050 | | /// values or references of the captures. |
1051 | | /// |
1052 | | /// \param Captures Will be populated with the mapping from captured |
1053 | | /// variables to the corresponding fields. |
1054 | | /// |
1055 | | /// \param ThisCapture Will be set to the field declaration for the |
1056 | | /// \c this capture. |
1057 | | /// |
1058 | | /// \note No entries will be added for init-captures, as they do not capture |
1059 | | /// variables. |
1060 | | void getCaptureFields(llvm::DenseMap<const VarDecl *, FieldDecl *> &Captures, |
1061 | | FieldDecl *&ThisCapture) const; |
1062 | | |
1063 | | using capture_const_iterator = const LambdaCapture *; |
1064 | | using capture_const_range = llvm::iterator_range<capture_const_iterator>; |
1065 | | |
1066 | 3.05k | capture_const_range captures() const { |
1067 | 3.05k | return capture_const_range(captures_begin(), captures_end()); |
1068 | 3.05k | } |
1069 | | |
1070 | 6.35k | capture_const_iterator captures_begin() const { |
1071 | 6.35k | return isLambda() ? getLambdaData().Captures : nullptr0 ; |
1072 | 6.35k | } |
1073 | | |
1074 | 3.16k | capture_const_iterator captures_end() const { |
1075 | 3.16k | return isLambda() ? captures_begin() + getLambdaData().NumCaptures |
1076 | 3.16k | : nullptr0 ; |
1077 | 3.16k | } |
1078 | | |
1079 | 52.6k | unsigned capture_size() const { return getLambdaData().NumCaptures; } |
1080 | | |
1081 | | using conversion_iterator = UnresolvedSetIterator; |
1082 | | |
1083 | 4.34M | conversion_iterator conversion_begin() const { |
1084 | 4.34M | return data().Conversions.get(getASTContext()).begin(); |
1085 | 4.34M | } |
1086 | | |
1087 | 4.34M | conversion_iterator conversion_end() const { |
1088 | 4.34M | return data().Conversions.get(getASTContext()).end(); |
1089 | 4.34M | } |
1090 | | |
1091 | | /// Removes a conversion function from this class. The conversion |
1092 | | /// function must currently be a member of this class. Furthermore, |
1093 | | /// this class must currently be in the process of being defined. |
1094 | | void removeConversion(const NamedDecl *Old); |
1095 | | |
1096 | | /// Get all conversion functions visible in current class, |
1097 | | /// including conversion function templates. |
1098 | | llvm::iterator_range<conversion_iterator> |
1099 | | getVisibleConversionFunctions() const; |
1100 | | |
1101 | | /// Determine whether this class is an aggregate (C++ [dcl.init.aggr]), |
1102 | | /// which is a class with no user-declared constructors, no private |
1103 | | /// or protected non-static data members, no base classes, and no virtual |
1104 | | /// functions (C++ [dcl.init.aggr]p1). |
1105 | 2.30M | bool isAggregate() const { return data().Aggregate; } |
1106 | | |
1107 | | /// Whether this class has any in-class initializers |
1108 | | /// for non-static data members (including those in anonymous unions or |
1109 | | /// structs). |
1110 | 24.0k | bool hasInClassInitializer() const { return data().HasInClassInitializer; } |
1111 | | |
1112 | | /// Whether this class or any of its subobjects has any members of |
1113 | | /// reference type which would make value-initialization ill-formed. |
1114 | | /// |
1115 | | /// Per C++03 [dcl.init]p5: |
1116 | | /// - if T is a non-union class type without a user-declared constructor, |
1117 | | /// then every non-static data member and base-class component of T is |
1118 | | /// value-initialized [...] A program that calls for [...] |
1119 | | /// value-initialization of an entity of reference type is ill-formed. |
1120 | 894k | bool hasUninitializedReferenceMember() const { |
1121 | 894k | return !isUnion() && !hasUserDeclaredConstructor()884k && |
1122 | 894k | data().HasUninitializedReferenceMember793k ; |
1123 | 894k | } |
1124 | | |
1125 | | /// Whether this class is a POD-type (C++ [class]p4) |
1126 | | /// |
1127 | | /// For purposes of this function a class is POD if it is an aggregate |
1128 | | /// that has no non-static non-POD data members, no reference data |
1129 | | /// members, no user-defined copy assignment operator and no |
1130 | | /// user-defined destructor. |
1131 | | /// |
1132 | | /// Note that this is the C++ TR1 definition of POD. |
1133 | 755k | bool isPOD() const { return data().PlainOldData; } |
1134 | | |
1135 | | /// True if this class is C-like, without C++-specific features, e.g. |
1136 | | /// it contains only public fields, no bases, tag kind is not 'class', etc. |
1137 | | bool isCLike() const; |
1138 | | |
1139 | | /// Determine whether this is an empty class in the sense of |
1140 | | /// (C++11 [meta.unary.prop]). |
1141 | | /// |
1142 | | /// The CXXRecordDecl is a class type, but not a union type, |
1143 | | /// with no non-static data members other than bit-fields of length 0, |
1144 | | /// no virtual member functions, no virtual base classes, |
1145 | | /// and no base class B for which is_empty<B>::value is false. |
1146 | | /// |
1147 | | /// \note This does NOT include a check for union-ness. |
1148 | 3.32M | bool isEmpty() const { return data().Empty; } |
1149 | | |
1150 | 14 | void setInitMethod(bool Val) { data().HasInitMethod = Val; } |
1151 | 17 | bool hasInitMethod() const { return data().HasInitMethod; } |
1152 | | |
1153 | 99 | bool hasPrivateFields() const { |
1154 | 99 | return data().HasPrivateFields; |
1155 | 99 | } |
1156 | | |
1157 | 99 | bool hasProtectedFields() const { |
1158 | 99 | return data().HasProtectedFields; |
1159 | 99 | } |
1160 | | |
1161 | | /// Determine whether this class has direct non-static data members. |
1162 | 532k | bool hasDirectFields() const { |
1163 | 532k | auto &D = data(); |
1164 | 532k | return D.HasPublicFields || D.HasProtectedFields527k || D.HasPrivateFields524k ; |
1165 | 532k | } |
1166 | | |
1167 | | /// Whether this class is polymorphic (C++ [class.virtual]), |
1168 | | /// which means that the class contains or inherits a virtual function. |
1169 | 2.47M | bool isPolymorphic() const { return data().Polymorphic; } |
1170 | | |
1171 | | /// Determine whether this class has a pure virtual function. |
1172 | | /// |
1173 | | /// The class is is abstract per (C++ [class.abstract]p2) if it declares |
1174 | | /// a pure virtual function or inherits a pure virtual function that is |
1175 | | /// not overridden. |
1176 | 5.93M | bool isAbstract() const { return data().Abstract; } |
1177 | | |
1178 | | /// Determine whether this class is standard-layout per |
1179 | | /// C++ [class]p7. |
1180 | 933k | bool isStandardLayout() const { return data().IsStandardLayout; } |
1181 | | |
1182 | | /// Determine whether this class was standard-layout per |
1183 | | /// C++11 [class]p7, specifically using the C++11 rules without any DRs. |
1184 | 893k | bool isCXX11StandardLayout() const { return data().IsCXX11StandardLayout; } |
1185 | | |
1186 | | /// Determine whether this class, or any of its class subobjects, |
1187 | | /// contains a mutable field. |
1188 | 944k | bool hasMutableFields() const { return data().HasMutableFields; } |
1189 | | |
1190 | | /// Determine whether this class has any variant members. |
1191 | 365k | bool hasVariantMembers() const { return data().HasVariantMembers; } |
1192 | | |
1193 | | /// Determine whether this class has a trivial default constructor |
1194 | | /// (C++11 [class.ctor]p5). |
1195 | 1.20M | bool hasTrivialDefaultConstructor() const { |
1196 | 1.20M | return hasDefaultConstructor() && |
1197 | 1.20M | (data().HasTrivialSpecialMembers & SMF_DefaultConstructor)1.16M ; |
1198 | 1.20M | } |
1199 | | |
1200 | | /// Determine whether this class has a non-trivial default constructor |
1201 | | /// (C++11 [class.ctor]p5). |
1202 | 2.06k | bool hasNonTrivialDefaultConstructor() const { |
1203 | 2.06k | return (data().DeclaredNonTrivialSpecialMembers & SMF_DefaultConstructor) || |
1204 | 2.06k | (1.86k needsImplicitDefaultConstructor()1.86k && |
1205 | 1.86k | !(data().HasTrivialSpecialMembers & SMF_DefaultConstructor)1.21k ); |
1206 | 2.06k | } |
1207 | | |
1208 | | /// Determine whether this class has at least one constexpr constructor |
1209 | | /// other than the copy or move constructors. |
1210 | 150k | bool hasConstexprNonCopyMoveConstructor() const { |
1211 | 150k | return data().HasConstexprNonCopyMoveConstructor || |
1212 | 150k | (90.1k needsImplicitDefaultConstructor()90.1k && |
1213 | 90.1k | defaultedDefaultConstructorIsConstexpr()58.0k ); |
1214 | 150k | } |
1215 | | |
1216 | | /// Determine whether a defaulted default constructor for this class |
1217 | | /// would be constexpr. |
1218 | 676k | bool defaultedDefaultConstructorIsConstexpr() const { |
1219 | 676k | return data().DefaultedDefaultConstructorIsConstexpr && |
1220 | 676k | (348k !isUnion()348k || hasInClassInitializer()13.8k || !hasVariantMembers()13.6k || |
1221 | 348k | getLangOpts().CPlusPlus2013.4k ); |
1222 | 676k | } |
1223 | | |
1224 | | /// Determine whether this class has a constexpr default constructor. |
1225 | 890k | bool hasConstexprDefaultConstructor() const { |
1226 | 890k | return data().HasConstexprDefaultConstructor || |
1227 | 890k | (616k needsImplicitDefaultConstructor()616k && |
1228 | 616k | defaultedDefaultConstructorIsConstexpr()540k ); |
1229 | 890k | } |
1230 | | |
1231 | | /// Determine whether this class has a trivial copy constructor |
1232 | | /// (C++ [class.copy]p6, C++11 [class.copy]p12) |
1233 | 1.33M | bool hasTrivialCopyConstructor() const { |
1234 | 1.33M | return data().HasTrivialSpecialMembers & SMF_CopyConstructor; |
1235 | 1.33M | } |
1236 | | |
1237 | 2.23M | bool hasTrivialCopyConstructorForCall() const { |
1238 | 2.23M | return data().HasTrivialSpecialMembersForCall & SMF_CopyConstructor; |
1239 | 2.23M | } |
1240 | | |
1241 | | /// Determine whether this class has a non-trivial copy constructor |
1242 | | /// (C++ [class.copy]p6, C++11 [class.copy]p12) |
1243 | 329k | bool hasNonTrivialCopyConstructor() const { |
1244 | 329k | return data().DeclaredNonTrivialSpecialMembers & SMF_CopyConstructor || |
1245 | 329k | !hasTrivialCopyConstructor()265k ; |
1246 | 329k | } |
1247 | | |
1248 | 484 | bool hasNonTrivialCopyConstructorForCall() const { |
1249 | 484 | return (data().DeclaredNonTrivialSpecialMembersForCall & |
1250 | 484 | SMF_CopyConstructor) || |
1251 | 484 | !hasTrivialCopyConstructorForCall()468 ; |
1252 | 484 | } |
1253 | | |
1254 | | /// Determine whether this class has a trivial move constructor |
1255 | | /// (C++11 [class.copy]p12) |
1256 | 987k | bool hasTrivialMoveConstructor() const { |
1257 | 987k | return hasMoveConstructor() && |
1258 | 987k | (data().HasTrivialSpecialMembers & SMF_MoveConstructor)959k ; |
1259 | 987k | } |
1260 | | |
1261 | 2.17M | bool hasTrivialMoveConstructorForCall() const { |
1262 | 2.17M | return hasMoveConstructor() && |
1263 | 2.17M | (data().HasTrivialSpecialMembersForCall & SMF_MoveConstructor)2.14M ; |
1264 | 2.17M | } |
1265 | | |
1266 | | /// Determine whether this class has a non-trivial move constructor |
1267 | | /// (C++11 [class.copy]p12) |
1268 | 233k | bool hasNonTrivialMoveConstructor() const { |
1269 | 233k | return (data().DeclaredNonTrivialSpecialMembers & SMF_MoveConstructor) || |
1270 | 233k | (225k needsImplicitMoveConstructor()225k && |
1271 | 225k | !(data().HasTrivialSpecialMembers & SMF_MoveConstructor)145k ); |
1272 | 233k | } |
1273 | | |
1274 | 0 | bool hasNonTrivialMoveConstructorForCall() const { |
1275 | 0 | return (data().DeclaredNonTrivialSpecialMembersForCall & |
1276 | 0 | SMF_MoveConstructor) || |
1277 | 0 | (needsImplicitMoveConstructor() && |
1278 | 0 | !(data().HasTrivialSpecialMembersForCall & SMF_MoveConstructor)); |
1279 | 0 | } |
1280 | | |
1281 | | /// Determine whether this class has a trivial copy assignment operator |
1282 | | /// (C++ [class.copy]p11, C++11 [class.copy]p25) |
1283 | 1.20M | bool hasTrivialCopyAssignment() const { |
1284 | 1.20M | return data().HasTrivialSpecialMembers & SMF_CopyAssignment; |
1285 | 1.20M | } |
1286 | | |
1287 | | /// Determine whether this class has a non-trivial copy assignment |
1288 | | /// operator (C++ [class.copy]p11, C++11 [class.copy]p25) |
1289 | 257k | bool hasNonTrivialCopyAssignment() const { |
1290 | 257k | return data().DeclaredNonTrivialSpecialMembers & SMF_CopyAssignment || |
1291 | 257k | !hasTrivialCopyAssignment()251k ; |
1292 | 257k | } |
1293 | | |
1294 | | /// Determine whether this class has a trivial move assignment operator |
1295 | | /// (C++11 [class.copy]p25) |
1296 | 917k | bool hasTrivialMoveAssignment() const { |
1297 | 917k | return hasMoveAssignment() && |
1298 | 917k | (data().HasTrivialSpecialMembers & SMF_MoveAssignment)885k ; |
1299 | 917k | } |
1300 | | |
1301 | | /// Determine whether this class has a non-trivial move assignment |
1302 | | /// operator (C++11 [class.copy]p25) |
1303 | 220k | bool hasNonTrivialMoveAssignment() const { |
1304 | 220k | return (data().DeclaredNonTrivialSpecialMembers & SMF_MoveAssignment) || |
1305 | 220k | (220k needsImplicitMoveAssignment()220k && |
1306 | 220k | !(data().HasTrivialSpecialMembers & SMF_MoveAssignment)190k ); |
1307 | 220k | } |
1308 | | |
1309 | | /// Determine whether a defaulted default constructor for this class |
1310 | | /// would be constexpr. |
1311 | 688k | bool defaultedDestructorIsConstexpr() const { |
1312 | 688k | return data().DefaultedDestructorIsConstexpr && |
1313 | 688k | getLangOpts().CPlusPlus20542k ; |
1314 | 688k | } |
1315 | | |
1316 | | /// Determine whether this class has a constexpr destructor. |
1317 | | bool hasConstexprDestructor() const; |
1318 | | |
1319 | | /// Determine whether this class has a trivial destructor |
1320 | | /// (C++ [class.dtor]p3) |
1321 | 2.71M | bool hasTrivialDestructor() const { |
1322 | 2.71M | return data().HasTrivialSpecialMembers & SMF_Destructor; |
1323 | 2.71M | } |
1324 | | |
1325 | 2.20M | bool hasTrivialDestructorForCall() const { |
1326 | 2.20M | return data().HasTrivialSpecialMembersForCall & SMF_Destructor; |
1327 | 2.20M | } |
1328 | | |
1329 | | /// Determine whether this class has a non-trivial destructor |
1330 | | /// (C++ [class.dtor]p3) |
1331 | 1.79M | bool hasNonTrivialDestructor() const { |
1332 | 1.79M | return !(data().HasTrivialSpecialMembers & SMF_Destructor); |
1333 | 1.79M | } |
1334 | | |
1335 | 500 | bool hasNonTrivialDestructorForCall() const { |
1336 | 500 | return !(data().HasTrivialSpecialMembersForCall & SMF_Destructor); |
1337 | 500 | } |
1338 | | |
1339 | 9.14k | void setHasTrivialSpecialMemberForCall() { |
1340 | 9.14k | data().HasTrivialSpecialMembersForCall = |
1341 | 9.14k | (SMF_CopyConstructor | SMF_MoveConstructor | SMF_Destructor); |
1342 | 9.14k | } |
1343 | | |
1344 | | /// Determine whether declaring a const variable with this type is ok |
1345 | | /// per core issue 253. |
1346 | 897k | bool allowConstDefaultInit() const { |
1347 | 897k | return !data().HasUninitializedFields || |
1348 | 897k | !(351k data().HasDefaultedDefaultConstructor351k || |
1349 | 351k | needsImplicitDefaultConstructor()339k ); |
1350 | 897k | } |
1351 | | |
1352 | | /// Determine whether this class has a destructor which has no |
1353 | | /// semantic effect. |
1354 | | /// |
1355 | | /// Any such destructor will be trivial, public, defaulted and not deleted, |
1356 | | /// and will call only irrelevant destructors. |
1357 | 1.20M | bool hasIrrelevantDestructor() const { |
1358 | 1.20M | return data().HasIrrelevantDestructor; |
1359 | 1.20M | } |
1360 | | |
1361 | | /// Determine whether this class has a non-literal or/ volatile type |
1362 | | /// non-static data member or base class. |
1363 | 1.48M | bool hasNonLiteralTypeFieldsOrBases() const { |
1364 | 1.48M | return data().HasNonLiteralTypeFieldsOrBases; |
1365 | 1.48M | } |
1366 | | |
1367 | | /// Determine whether this class has a using-declaration that names |
1368 | | /// a user-declared base class constructor. |
1369 | 3.64M | bool hasInheritedConstructor() const { |
1370 | 3.64M | return data().HasInheritedConstructor; |
1371 | 3.64M | } |
1372 | | |
1373 | | /// Determine whether this class has a using-declaration that names |
1374 | | /// a base class assignment operator. |
1375 | 2.44M | bool hasInheritedAssignment() const { |
1376 | 2.44M | return data().HasInheritedAssignment; |
1377 | 2.44M | } |
1378 | | |
1379 | | /// Determine whether this class is considered trivially copyable per |
1380 | | /// (C++11 [class]p6). |
1381 | | bool isTriviallyCopyable() const; |
1382 | | |
1383 | | /// Determine whether this class is considered trivial. |
1384 | | /// |
1385 | | /// C++11 [class]p6: |
1386 | | /// "A trivial class is a class that has a trivial default constructor and |
1387 | | /// is trivially copyable." |
1388 | 211k | bool isTrivial() const { |
1389 | 211k | return isTriviallyCopyable() && hasTrivialDefaultConstructor()163k ; |
1390 | 211k | } |
1391 | | |
1392 | | /// Determine whether this class is a literal type. |
1393 | | /// |
1394 | | /// C++11 [basic.types]p10: |
1395 | | /// A class type that has all the following properties: |
1396 | | /// - it has a trivial destructor |
1397 | | /// - every constructor call and full-expression in the |
1398 | | /// brace-or-equal-intializers for non-static data members (if any) is |
1399 | | /// a constant expression. |
1400 | | /// - it is an aggregate type or has at least one constexpr constructor |
1401 | | /// or constructor template that is not a copy or move constructor, and |
1402 | | /// - all of its non-static data members and base classes are of literal |
1403 | | /// types |
1404 | | /// |
1405 | | /// We resolve DR1361 by ignoring the second bullet. We resolve DR1452 by |
1406 | | /// treating types with trivial default constructors as literal types. |
1407 | | /// |
1408 | | /// Only in C++17 and beyond, are lambdas literal types. |
1409 | 986k | bool isLiteral() const { |
1410 | 986k | const LangOptions &LangOpts = getLangOpts(); |
1411 | 986k | return (LangOpts.CPlusPlus20 ? hasConstexprDestructor()34.7k |
1412 | 986k | : hasTrivialDestructor()951k ) && |
1413 | 986k | (937k !isLambda()937k || LangOpts.CPlusPlus171.70k ) && |
1414 | 986k | !hasNonLiteralTypeFieldsOrBases()936k && |
1415 | 986k | (927k isAggregate()927k || isLambda()149k || |
1416 | 927k | hasConstexprNonCopyMoveConstructor()148k || |
1417 | 927k | hasTrivialDefaultConstructor()34.7k ); |
1418 | 986k | } |
1419 | | |
1420 | | /// Determine whether this is a structural type. |
1421 | 339 | bool isStructural() const { |
1422 | 339 | return isLiteral() && data().StructuralIfLiteral331 ; |
1423 | 339 | } |
1424 | | |
1425 | | /// Notify the class that this destructor is now selected. |
1426 | | /// |
1427 | | /// Important properties of the class depend on destructor properties. Since |
1428 | | /// C++20, it is possible to have multiple destructor declarations in a class |
1429 | | /// out of which one will be selected at the end. |
1430 | | /// This is called separately from addedMember because it has to be deferred |
1431 | | /// to the completion of the class. |
1432 | | void addedSelectedDestructor(CXXDestructorDecl *DD); |
1433 | | |
1434 | | /// Notify the class that an eligible SMF has been added. |
1435 | | /// This updates triviality and destructor based properties of the class accordingly. |
1436 | | void addedEligibleSpecialMemberFunction(const CXXMethodDecl *MD, unsigned SMKind); |
1437 | | |
1438 | | /// If this record is an instantiation of a member class, |
1439 | | /// retrieves the member class from which it was instantiated. |
1440 | | /// |
1441 | | /// This routine will return non-null for (non-templated) member |
1442 | | /// classes of class templates. For example, given: |
1443 | | /// |
1444 | | /// \code |
1445 | | /// template<typename T> |
1446 | | /// struct X { |
1447 | | /// struct A { }; |
1448 | | /// }; |
1449 | | /// \endcode |
1450 | | /// |
1451 | | /// The declaration for X<int>::A is a (non-templated) CXXRecordDecl |
1452 | | /// whose parent is the class template specialization X<int>. For |
1453 | | /// this declaration, getInstantiatedFromMemberClass() will return |
1454 | | /// the CXXRecordDecl X<T>::A. When a complete definition of |
1455 | | /// X<int>::A is required, it will be instantiated from the |
1456 | | /// declaration returned by getInstantiatedFromMemberClass(). |
1457 | | CXXRecordDecl *getInstantiatedFromMemberClass() const; |
1458 | | |
1459 | | /// If this class is an instantiation of a member class of a |
1460 | | /// class template specialization, retrieves the member specialization |
1461 | | /// information. |
1462 | | MemberSpecializationInfo *getMemberSpecializationInfo() const; |
1463 | | |
1464 | | /// Specify that this record is an instantiation of the |
1465 | | /// member class \p RD. |
1466 | | void setInstantiationOfMemberClass(CXXRecordDecl *RD, |
1467 | | TemplateSpecializationKind TSK); |
1468 | | |
1469 | | /// Retrieves the class template that is described by this |
1470 | | /// class declaration. |
1471 | | /// |
1472 | | /// Every class template is represented as a ClassTemplateDecl and a |
1473 | | /// CXXRecordDecl. The former contains template properties (such as |
1474 | | /// the template parameter lists) while the latter contains the |
1475 | | /// actual description of the template's |
1476 | | /// contents. ClassTemplateDecl::getTemplatedDecl() retrieves the |
1477 | | /// CXXRecordDecl that from a ClassTemplateDecl, while |
1478 | | /// getDescribedClassTemplate() retrieves the ClassTemplateDecl from |
1479 | | /// a CXXRecordDecl. |
1480 | | ClassTemplateDecl *getDescribedClassTemplate() const; |
1481 | | |
1482 | | void setDescribedClassTemplate(ClassTemplateDecl *Template); |
1483 | | |
1484 | | /// Determine whether this particular class is a specialization or |
1485 | | /// instantiation of a class template or member class of a class template, |
1486 | | /// and how it was instantiated or specialized. |
1487 | | TemplateSpecializationKind getTemplateSpecializationKind() const; |
1488 | | |
1489 | | /// Set the kind of specialization or template instantiation this is. |
1490 | | void setTemplateSpecializationKind(TemplateSpecializationKind TSK); |
1491 | | |
1492 | | /// Retrieve the record declaration from which this record could be |
1493 | | /// instantiated. Returns null if this class is not a template instantiation. |
1494 | | const CXXRecordDecl *getTemplateInstantiationPattern() const; |
1495 | | |
1496 | 1.90M | CXXRecordDecl *getTemplateInstantiationPattern() { |
1497 | 1.90M | return const_cast<CXXRecordDecl *>(const_cast<const CXXRecordDecl *>(this) |
1498 | 1.90M | ->getTemplateInstantiationPattern()); |
1499 | 1.90M | } |
1500 | | |
1501 | | /// Returns the destructor decl for this class. |
1502 | | CXXDestructorDecl *getDestructor() const; |
1503 | | |
1504 | | /// Returns true if the class destructor, or any implicitly invoked |
1505 | | /// destructors are marked noreturn. |
1506 | 904k | bool isAnyDestructorNoReturn() const { return data().IsAnyDestructorNoReturn; } |
1507 | | |
1508 | | /// If the class is a local class [class.local], returns |
1509 | | /// the enclosing function declaration. |
1510 | 6.42M | const FunctionDecl *isLocalClass() const { |
1511 | 6.42M | if (const auto *RD = dyn_cast<CXXRecordDecl>(getDeclContext())) |
1512 | 1.16M | return RD->isLocalClass(); |
1513 | | |
1514 | 5.26M | return dyn_cast<FunctionDecl>(getDeclContext()); |
1515 | 6.42M | } |
1516 | | |
1517 | 1.64M | FunctionDecl *isLocalClass() { |
1518 | 1.64M | return const_cast<FunctionDecl*>( |
1519 | 1.64M | const_cast<const CXXRecordDecl*>(this)->isLocalClass()); |
1520 | 1.64M | } |
1521 | | |
1522 | | /// Determine whether this dependent class is a current instantiation, |
1523 | | /// when viewed from within the given context. |
1524 | | bool isCurrentInstantiation(const DeclContext *CurContext) const; |
1525 | | |
1526 | | /// Determine whether this class is derived from the class \p Base. |
1527 | | /// |
1528 | | /// This routine only determines whether this class is derived from \p Base, |
1529 | | /// but does not account for factors that may make a Derived -> Base class |
1530 | | /// ill-formed, such as private/protected inheritance or multiple, ambiguous |
1531 | | /// base class subobjects. |
1532 | | /// |
1533 | | /// \param Base the base class we are searching for. |
1534 | | /// |
1535 | | /// \returns true if this class is derived from Base, false otherwise. |
1536 | | bool isDerivedFrom(const CXXRecordDecl *Base) const; |
1537 | | |
1538 | | /// Determine whether this class is derived from the type \p Base. |
1539 | | /// |
1540 | | /// This routine only determines whether this class is derived from \p Base, |
1541 | | /// but does not account for factors that may make a Derived -> Base class |
1542 | | /// ill-formed, such as private/protected inheritance or multiple, ambiguous |
1543 | | /// base class subobjects. |
1544 | | /// |
1545 | | /// \param Base the base class we are searching for. |
1546 | | /// |
1547 | | /// \param Paths will contain the paths taken from the current class to the |
1548 | | /// given \p Base class. |
1549 | | /// |
1550 | | /// \returns true if this class is derived from \p Base, false otherwise. |
1551 | | /// |
1552 | | /// \todo add a separate parameter to configure IsDerivedFrom, rather than |
1553 | | /// tangling input and output in \p Paths |
1554 | | bool isDerivedFrom(const CXXRecordDecl *Base, CXXBasePaths &Paths) const; |
1555 | | |
1556 | | /// Determine whether this class is virtually derived from |
1557 | | /// the class \p Base. |
1558 | | /// |
1559 | | /// This routine only determines whether this class is virtually |
1560 | | /// derived from \p Base, but does not account for factors that may |
1561 | | /// make a Derived -> Base class ill-formed, such as |
1562 | | /// private/protected inheritance or multiple, ambiguous base class |
1563 | | /// subobjects. |
1564 | | /// |
1565 | | /// \param Base the base class we are searching for. |
1566 | | /// |
1567 | | /// \returns true if this class is virtually derived from Base, |
1568 | | /// false otherwise. |
1569 | | bool isVirtuallyDerivedFrom(const CXXRecordDecl *Base) const; |
1570 | | |
1571 | | /// Determine whether this class is provably not derived from |
1572 | | /// the type \p Base. |
1573 | | bool isProvablyNotDerivedFrom(const CXXRecordDecl *Base) const; |
1574 | | |
1575 | | /// Function type used by forallBases() as a callback. |
1576 | | /// |
1577 | | /// \param BaseDefinition the definition of the base class |
1578 | | /// |
1579 | | /// \returns true if this base matched the search criteria |
1580 | | using ForallBasesCallback = |
1581 | | llvm::function_ref<bool(const CXXRecordDecl *BaseDefinition)>; |
1582 | | |
1583 | | /// Determines if the given callback holds for all the direct |
1584 | | /// or indirect base classes of this type. |
1585 | | /// |
1586 | | /// The class itself does not count as a base class. This routine |
1587 | | /// returns false if the class has non-computable base classes. |
1588 | | /// |
1589 | | /// \param BaseMatches Callback invoked for each (direct or indirect) base |
1590 | | /// class of this type until a call returns false. |
1591 | | bool forallBases(ForallBasesCallback BaseMatches) const; |
1592 | | |
1593 | | /// Function type used by lookupInBases() to determine whether a |
1594 | | /// specific base class subobject matches the lookup criteria. |
1595 | | /// |
1596 | | /// \param Specifier the base-class specifier that describes the inheritance |
1597 | | /// from the base class we are trying to match. |
1598 | | /// |
1599 | | /// \param Path the current path, from the most-derived class down to the |
1600 | | /// base named by the \p Specifier. |
1601 | | /// |
1602 | | /// \returns true if this base matched the search criteria, false otherwise. |
1603 | | using BaseMatchesCallback = |
1604 | | llvm::function_ref<bool(const CXXBaseSpecifier *Specifier, |
1605 | | CXXBasePath &Path)>; |
1606 | | |
1607 | | /// Look for entities within the base classes of this C++ class, |
1608 | | /// transitively searching all base class subobjects. |
1609 | | /// |
1610 | | /// This routine uses the callback function \p BaseMatches to find base |
1611 | | /// classes meeting some search criteria, walking all base class subobjects |
1612 | | /// and populating the given \p Paths structure with the paths through the |
1613 | | /// inheritance hierarchy that resulted in a match. On a successful search, |
1614 | | /// the \p Paths structure can be queried to retrieve the matching paths and |
1615 | | /// to determine if there were any ambiguities. |
1616 | | /// |
1617 | | /// \param BaseMatches callback function used to determine whether a given |
1618 | | /// base matches the user-defined search criteria. |
1619 | | /// |
1620 | | /// \param Paths used to record the paths from this class to its base class |
1621 | | /// subobjects that match the search criteria. |
1622 | | /// |
1623 | | /// \param LookupInDependent can be set to true to extend the search to |
1624 | | /// dependent base classes. |
1625 | | /// |
1626 | | /// \returns true if there exists any path from this class to a base class |
1627 | | /// subobject that matches the search criteria. |
1628 | | bool lookupInBases(BaseMatchesCallback BaseMatches, CXXBasePaths &Paths, |
1629 | | bool LookupInDependent = false) const; |
1630 | | |
1631 | | /// Base-class lookup callback that determines whether the given |
1632 | | /// base class specifier refers to a specific class declaration. |
1633 | | /// |
1634 | | /// This callback can be used with \c lookupInBases() to determine whether |
1635 | | /// a given derived class has is a base class subobject of a particular type. |
1636 | | /// The base record pointer should refer to the canonical CXXRecordDecl of the |
1637 | | /// base class that we are searching for. |
1638 | | static bool FindBaseClass(const CXXBaseSpecifier *Specifier, |
1639 | | CXXBasePath &Path, const CXXRecordDecl *BaseRecord); |
1640 | | |
1641 | | /// Base-class lookup callback that determines whether the |
1642 | | /// given base class specifier refers to a specific class |
1643 | | /// declaration and describes virtual derivation. |
1644 | | /// |
1645 | | /// This callback can be used with \c lookupInBases() to determine |
1646 | | /// whether a given derived class has is a virtual base class |
1647 | | /// subobject of a particular type. The base record pointer should |
1648 | | /// refer to the canonical CXXRecordDecl of the base class that we |
1649 | | /// are searching for. |
1650 | | static bool FindVirtualBaseClass(const CXXBaseSpecifier *Specifier, |
1651 | | CXXBasePath &Path, |
1652 | | const CXXRecordDecl *BaseRecord); |
1653 | | |
1654 | | /// Retrieve the final overriders for each virtual member |
1655 | | /// function in the class hierarchy where this class is the |
1656 | | /// most-derived class in the class hierarchy. |
1657 | | void getFinalOverriders(CXXFinalOverriderMap &FinaOverriders) const; |
1658 | | |
1659 | | /// Get the indirect primary bases for this class. |
1660 | | void getIndirectPrimaryBases(CXXIndirectPrimaryBaseSet& Bases) const; |
1661 | | |
1662 | | /// Determine whether this class has a member with the given name, possibly |
1663 | | /// in a non-dependent base class. |
1664 | | /// |
1665 | | /// No check for ambiguity is performed, so this should never be used when |
1666 | | /// implementing language semantics, but it may be appropriate for warnings, |
1667 | | /// static analysis, or similar. |
1668 | | bool hasMemberName(DeclarationName N) const; |
1669 | | |
1670 | | /// Performs an imprecise lookup of a dependent name in this class. |
1671 | | /// |
1672 | | /// This function does not follow strict semantic rules and should be used |
1673 | | /// only when lookup rules can be relaxed, e.g. indexing. |
1674 | | std::vector<const NamedDecl *> |
1675 | | lookupDependentName(DeclarationName Name, |
1676 | | llvm::function_ref<bool(const NamedDecl *ND)> Filter); |
1677 | | |
1678 | | /// Renders and displays an inheritance diagram |
1679 | | /// for this C++ class and all of its base classes (transitively) using |
1680 | | /// GraphViz. |
1681 | | void viewInheritance(ASTContext& Context) const; |
1682 | | |
1683 | | /// Calculates the access of a decl that is reached |
1684 | | /// along a path. |
1685 | | static AccessSpecifier MergeAccess(AccessSpecifier PathAccess, |
1686 | 1.19M | AccessSpecifier DeclAccess) { |
1687 | 1.19M | assert(DeclAccess != AS_none); |
1688 | 1.19M | if (DeclAccess == AS_private) return AS_none38.8k ; |
1689 | 1.15M | return (PathAccess > DeclAccess ? PathAccess82.8k : DeclAccess1.07M ); |
1690 | 1.19M | } |
1691 | | |
1692 | | /// Indicates that the declaration of a defaulted or deleted special |
1693 | | /// member function is now complete. |
1694 | | void finishedDefaultedOrDeletedMember(CXXMethodDecl *MD); |
1695 | | |
1696 | | void setTrivialForCallFlags(CXXMethodDecl *MD); |
1697 | | |
1698 | | /// Indicates that the definition of this class is now complete. |
1699 | | void completeDefinition() override; |
1700 | | |
1701 | | /// Indicates that the definition of this class is now complete, |
1702 | | /// and provides a final overrider map to help determine |
1703 | | /// |
1704 | | /// \param FinalOverriders The final overrider map for this class, which can |
1705 | | /// be provided as an optimization for abstract-class checking. If NULL, |
1706 | | /// final overriders will be computed if they are needed to complete the |
1707 | | /// definition. |
1708 | | void completeDefinition(CXXFinalOverriderMap *FinalOverriders); |
1709 | | |
1710 | | /// Determine whether this class may end up being abstract, even though |
1711 | | /// it is not yet known to be abstract. |
1712 | | /// |
1713 | | /// \returns true if this class is not known to be abstract but has any |
1714 | | /// base classes that are abstract. In this case, \c completeDefinition() |
1715 | | /// will need to compute final overriders to determine whether the class is |
1716 | | /// actually abstract. |
1717 | | bool mayBeAbstract() const; |
1718 | | |
1719 | | /// Determine whether it's impossible for a class to be derived from this |
1720 | | /// class. This is best-effort, and may conservatively return false. |
1721 | | bool isEffectivelyFinal() const; |
1722 | | |
1723 | | /// If this is the closure type of a lambda expression, retrieve the |
1724 | | /// number to be used for name mangling in the Itanium C++ ABI. |
1725 | | /// |
1726 | | /// Zero indicates that this closure type has internal linkage, so the |
1727 | | /// mangling number does not matter, while a non-zero value indicates which |
1728 | | /// lambda expression this is in this particular context. |
1729 | 22.6k | unsigned getLambdaManglingNumber() const { |
1730 | 22.6k | assert(isLambda() && "Not a lambda closure type!"); |
1731 | 0 | return getLambdaData().ManglingNumber; |
1732 | 22.6k | } |
1733 | | |
1734 | | /// The lambda is known to has internal linkage no matter whether it has name |
1735 | | /// mangling number. |
1736 | 12.1k | bool hasKnownLambdaInternalLinkage() const { |
1737 | 12.1k | assert(isLambda() && "Not a lambda closure type!"); |
1738 | 0 | return getLambdaData().HasKnownInternalLinkage; |
1739 | 12.1k | } |
1740 | | |
1741 | | /// Retrieve the declaration that provides additional context for a |
1742 | | /// lambda, when the normal declaration context is not specific enough. |
1743 | | /// |
1744 | | /// Certain contexts (default arguments of in-class function parameters and |
1745 | | /// the initializers of data members) have separate name mangling rules for |
1746 | | /// lambdas within the Itanium C++ ABI. For these cases, this routine provides |
1747 | | /// the declaration in which the lambda occurs, e.g., the function parameter |
1748 | | /// or the non-static data member. Otherwise, it returns NULL to imply that |
1749 | | /// the declaration context suffices. |
1750 | | Decl *getLambdaContextDecl() const; |
1751 | | |
1752 | | /// Set the mangling number and context declaration for a lambda |
1753 | | /// class. |
1754 | | void setLambdaMangling(unsigned ManglingNumber, Decl *ContextDecl, |
1755 | 6.89k | bool HasKnownInternalLinkage = false) { |
1756 | 6.89k | assert(isLambda() && "Not a lambda closure type!"); |
1757 | 0 | getLambdaData().ManglingNumber = ManglingNumber; |
1758 | 6.89k | getLambdaData().ContextDecl = ContextDecl; |
1759 | 6.89k | getLambdaData().HasKnownInternalLinkage = HasKnownInternalLinkage; |
1760 | 6.89k | } |
1761 | | |
1762 | | /// Set the device side mangling number. |
1763 | | void setDeviceLambdaManglingNumber(unsigned Num) const; |
1764 | | |
1765 | | /// Retrieve the device side mangling number. |
1766 | | unsigned getDeviceLambdaManglingNumber() const; |
1767 | | |
1768 | | /// Returns the inheritance model used for this record. |
1769 | | MSInheritanceModel getMSInheritanceModel() const; |
1770 | | |
1771 | | /// Calculate what the inheritance model would be for this class. |
1772 | | MSInheritanceModel calculateInheritanceModel() const; |
1773 | | |
1774 | | /// In the Microsoft C++ ABI, use zero for the field offset of a null data |
1775 | | /// member pointer if we can guarantee that zero is not a valid field offset, |
1776 | | /// or if the member pointer has multiple fields. Polymorphic classes have a |
1777 | | /// vfptr at offset zero, so we can use zero for null. If there are multiple |
1778 | | /// fields, we can use zero even if it is a valid field offset because |
1779 | | /// null-ness testing will check the other fields. |
1780 | | bool nullFieldOffsetIsZero() const; |
1781 | | |
1782 | | /// Controls when vtordisps will be emitted if this record is used as a |
1783 | | /// virtual base. |
1784 | | MSVtorDispMode getMSVtorDispMode() const; |
1785 | | |
1786 | | /// Determine whether this lambda expression was known to be dependent |
1787 | | /// at the time it was created, even if its context does not appear to be |
1788 | | /// dependent. |
1789 | | /// |
1790 | | /// This flag is a workaround for an issue with parsing, where default |
1791 | | /// arguments are parsed before their enclosing function declarations have |
1792 | | /// been created. This means that any lambda expressions within those |
1793 | | /// default arguments will have as their DeclContext the context enclosing |
1794 | | /// the function declaration, which may be non-dependent even when the |
1795 | | /// function declaration itself is dependent. This flag indicates when we |
1796 | | /// know that the lambda is dependent despite that. |
1797 | 50.4M | bool isDependentLambda() const { |
1798 | 50.4M | return isLambda() && getLambdaData().DependencyKind == LDK_AlwaysDependent400k ; |
1799 | 50.4M | } |
1800 | | |
1801 | 50.3M | bool isNeverDependentLambda() const { |
1802 | 50.3M | return isLambda() && getLambdaData().DependencyKind == LDK_NeverDependent372k ; |
1803 | 50.3M | } |
1804 | | |
1805 | 89 | unsigned getLambdaDependencyKind() const { |
1806 | 89 | if (!isLambda()) |
1807 | 0 | return LDK_Unknown; |
1808 | 89 | return getLambdaData().DependencyKind; |
1809 | 89 | } |
1810 | | |
1811 | 8.07k | TypeSourceInfo *getLambdaTypeInfo() const { |
1812 | 8.07k | return getLambdaData().MethodTyInfo; |
1813 | 8.07k | } |
1814 | | |
1815 | | // Determine whether this type is an Interface Like type for |
1816 | | // __interface inheritance purposes. |
1817 | | bool isInterfaceLike() const; |
1818 | | |
1819 | 828M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
1820 | 1.63G | static bool classofKind(Kind K) { |
1821 | 1.63G | return K >= firstCXXRecord && K <= lastCXXRecord1.27G ; |
1822 | 1.63G | } |
1823 | 12 | void markAbstract() { data().Abstract = true; } |
1824 | | }; |
1825 | | |
1826 | | /// Store information needed for an explicit specifier. |
1827 | | /// Used by CXXDeductionGuideDecl, CXXConstructorDecl and CXXConversionDecl. |
1828 | | class ExplicitSpecifier { |
1829 | | llvm::PointerIntPair<Expr *, 2, ExplicitSpecKind> ExplicitSpec{ |
1830 | | nullptr, ExplicitSpecKind::ResolvedFalse}; |
1831 | | |
1832 | | public: |
1833 | 150M | ExplicitSpecifier() = default; |
1834 | | ExplicitSpecifier(Expr *Expression, ExplicitSpecKind Kind) |
1835 | 4.28M | : ExplicitSpec(Expression, Kind) {} |
1836 | 1.09M | ExplicitSpecKind getKind() const { return ExplicitSpec.getInt(); } |
1837 | 5.72k | const Expr *getExpr() const { return ExplicitSpec.getPointer(); } |
1838 | 7.27M | Expr *getExpr() { return ExplicitSpec.getPointer(); } |
1839 | | |
1840 | | /// Determine if the declaration had an explicit specifier of any kind. |
1841 | 167M | bool isSpecified() const { |
1842 | 167M | return ExplicitSpec.getInt() != ExplicitSpecKind::ResolvedFalse || |
1843 | 167M | ExplicitSpec.getPointer()167M ; |
1844 | 167M | } |
1845 | | |
1846 | | /// Check for equivalence of explicit specifiers. |
1847 | | /// \return true if the explicit specifier are equivalent, false otherwise. |
1848 | | bool isEquivalent(const ExplicitSpecifier Other) const; |
1849 | | /// Determine whether this specifier is known to correspond to an explicit |
1850 | | /// declaration. Returns false if the specifier is absent or has an |
1851 | | /// expression that is value-dependent or evaluates to false. |
1852 | 5.59M | bool isExplicit() const { |
1853 | 5.59M | return ExplicitSpec.getInt() == ExplicitSpecKind::ResolvedTrue; |
1854 | 5.59M | } |
1855 | | /// Determine if the explicit specifier is invalid. |
1856 | | /// This state occurs after a substitution failures. |
1857 | 1.12M | bool isInvalid() const { |
1858 | 1.12M | return ExplicitSpec.getInt() == ExplicitSpecKind::Unresolved && |
1859 | 1.12M | !ExplicitSpec.getPointer()176 ; |
1860 | 1.12M | } |
1861 | 323 | void setKind(ExplicitSpecKind Kind) { ExplicitSpec.setInt(Kind); } |
1862 | 323 | void setExpr(Expr *E) { ExplicitSpec.setPointer(E); } |
1863 | | // Retrieve the explicit specifier in the given declaration, if any. |
1864 | | static ExplicitSpecifier getFromDecl(FunctionDecl *Function); |
1865 | 42 | static const ExplicitSpecifier getFromDecl(const FunctionDecl *Function) { |
1866 | 42 | return getFromDecl(const_cast<FunctionDecl *>(Function)); |
1867 | 42 | } |
1868 | 142 | static ExplicitSpecifier Invalid() { |
1869 | 142 | return ExplicitSpecifier(nullptr, ExplicitSpecKind::Unresolved); |
1870 | 142 | } |
1871 | | }; |
1872 | | |
1873 | | /// Represents a C++ deduction guide declaration. |
1874 | | /// |
1875 | | /// \code |
1876 | | /// template<typename T> struct A { A(); A(T); }; |
1877 | | /// A() -> A<int>; |
1878 | | /// \endcode |
1879 | | /// |
1880 | | /// In this example, there will be an explicit deduction guide from the |
1881 | | /// second line, and implicit deduction guide templates synthesized from |
1882 | | /// the constructors of \c A. |
1883 | | class CXXDeductionGuideDecl : public FunctionDecl { |
1884 | | void anchor() override; |
1885 | | |
1886 | | private: |
1887 | | CXXDeductionGuideDecl(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
1888 | | ExplicitSpecifier ES, |
1889 | | const DeclarationNameInfo &NameInfo, QualType T, |
1890 | | TypeSourceInfo *TInfo, SourceLocation EndLocation, |
1891 | | CXXConstructorDecl *Ctor) |
1892 | | : FunctionDecl(CXXDeductionGuide, C, DC, StartLoc, NameInfo, T, TInfo, |
1893 | | SC_None, false, false, ConstexprSpecKind::Unspecified), |
1894 | 5.14k | Ctor(Ctor), ExplicitSpec(ES) { |
1895 | 5.14k | if (EndLocation.isValid()) |
1896 | 4.96k | setRangeEnd(EndLocation); |
1897 | 5.14k | setIsCopyDeductionCandidate(false); |
1898 | 5.14k | } |
1899 | | |
1900 | | CXXConstructorDecl *Ctor; |
1901 | | ExplicitSpecifier ExplicitSpec; |
1902 | 180 | void setExplicitSpecifier(ExplicitSpecifier ES) { ExplicitSpec = ES; } |
1903 | | |
1904 | | public: |
1905 | | friend class ASTDeclReader; |
1906 | | friend class ASTDeclWriter; |
1907 | | |
1908 | | static CXXDeductionGuideDecl * |
1909 | | Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
1910 | | ExplicitSpecifier ES, const DeclarationNameInfo &NameInfo, QualType T, |
1911 | | TypeSourceInfo *TInfo, SourceLocation EndLocation, |
1912 | | CXXConstructorDecl *Ctor = nullptr); |
1913 | | |
1914 | | static CXXDeductionGuideDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
1915 | | |
1916 | 3.15k | ExplicitSpecifier getExplicitSpecifier() { return ExplicitSpec; } |
1917 | 0 | const ExplicitSpecifier getExplicitSpecifier() const { return ExplicitSpec; } |
1918 | | |
1919 | | /// Return true if the declartion is already resolved to be explicit. |
1920 | 150 | bool isExplicit() const { return ExplicitSpec.isExplicit(); } |
1921 | | |
1922 | | /// Get the template for which this guide performs deduction. |
1923 | 1.53k | TemplateDecl *getDeducedTemplate() const { |
1924 | 1.53k | return getDeclName().getCXXDeductionGuideTemplate(); |
1925 | 1.53k | } |
1926 | | |
1927 | | /// Get the constructor from which this deduction guide was generated, if |
1928 | | /// this is an implicit deduction guide. |
1929 | 52 | CXXConstructorDecl *getCorrespondingConstructor() const { |
1930 | 52 | return Ctor; |
1931 | 52 | } |
1932 | | |
1933 | 5.85k | void setIsCopyDeductionCandidate(bool isCDC = true) { |
1934 | 5.85k | FunctionDeclBits.IsCopyDeductionCandidate = isCDC; |
1935 | 5.85k | } |
1936 | | |
1937 | 2.43k | bool isCopyDeductionCandidate() const { |
1938 | 2.43k | return FunctionDeclBits.IsCopyDeductionCandidate; |
1939 | 2.43k | } |
1940 | | |
1941 | | // Implement isa/cast/dyncast/etc. |
1942 | 17.5M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
1943 | 18.8M | static bool classofKind(Kind K) { return K == CXXDeductionGuide; } |
1944 | | }; |
1945 | | |
1946 | | /// \brief Represents the body of a requires-expression. |
1947 | | /// |
1948 | | /// This decl exists merely to serve as the DeclContext for the local |
1949 | | /// parameters of the requires expression as well as other declarations inside |
1950 | | /// it. |
1951 | | /// |
1952 | | /// \code |
1953 | | /// template<typename T> requires requires (T t) { {t++} -> regular; } |
1954 | | /// \endcode |
1955 | | /// |
1956 | | /// In this example, a RequiresExpr object will be generated for the expression, |
1957 | | /// and a RequiresExprBodyDecl will be created to hold the parameter t and the |
1958 | | /// template argument list imposed by the compound requirement. |
1959 | | class RequiresExprBodyDecl : public Decl, public DeclContext { |
1960 | | RequiresExprBodyDecl(ASTContext &C, DeclContext *DC, SourceLocation StartLoc) |
1961 | 3.44k | : Decl(RequiresExprBody, DC, StartLoc), DeclContext(RequiresExprBody) {} |
1962 | | |
1963 | | public: |
1964 | | friend class ASTDeclReader; |
1965 | | friend class ASTDeclWriter; |
1966 | | |
1967 | | static RequiresExprBodyDecl *Create(ASTContext &C, DeclContext *DC, |
1968 | | SourceLocation StartLoc); |
1969 | | |
1970 | | static RequiresExprBodyDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
1971 | | |
1972 | | // Implement isa/cast/dyncast/etc. |
1973 | 288 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
1974 | 140M | static bool classofKind(Kind K) { return K == RequiresExprBody; } |
1975 | | }; |
1976 | | |
1977 | | /// Represents a static or instance method of a struct/union/class. |
1978 | | /// |
1979 | | /// In the terminology of the C++ Standard, these are the (static and |
1980 | | /// non-static) member functions, whether virtual or not. |
1981 | | class CXXMethodDecl : public FunctionDecl { |
1982 | | void anchor() override; |
1983 | | |
1984 | | protected: |
1985 | | CXXMethodDecl(Kind DK, ASTContext &C, CXXRecordDecl *RD, |
1986 | | SourceLocation StartLoc, const DeclarationNameInfo &NameInfo, |
1987 | | QualType T, TypeSourceInfo *TInfo, StorageClass SC, |
1988 | | bool UsesFPIntrin, bool isInline, |
1989 | | ConstexprSpecKind ConstexprKind, SourceLocation EndLocation, |
1990 | | Expr *TrailingRequiresClause = nullptr) |
1991 | | : FunctionDecl(DK, C, RD, StartLoc, NameInfo, T, TInfo, SC, UsesFPIntrin, |
1992 | 5.08M | isInline, ConstexprKind, TrailingRequiresClause) { |
1993 | 5.08M | if (EndLocation.isValid()) |
1994 | 850k | setRangeEnd(EndLocation); |
1995 | 5.08M | } |
1996 | | |
1997 | | public: |
1998 | | static CXXMethodDecl * |
1999 | | Create(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, |
2000 | | const DeclarationNameInfo &NameInfo, QualType T, TypeSourceInfo *TInfo, |
2001 | | StorageClass SC, bool UsesFPIntrin, bool isInline, |
2002 | | ConstexprSpecKind ConstexprKind, SourceLocation EndLocation, |
2003 | | Expr *TrailingRequiresClause = nullptr); |
2004 | | |
2005 | | static CXXMethodDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
2006 | | |
2007 | | bool isStatic() const; |
2008 | 13.9M | bool isInstance() const { return !isStatic(); } |
2009 | | |
2010 | | /// Returns true if the given operator is implicitly static in a record |
2011 | | /// context. |
2012 | 29.3M | static bool isStaticOverloadedOperator(OverloadedOperatorKind OOK) { |
2013 | | // [class.free]p1: |
2014 | | // Any allocation function for a class T is a static member |
2015 | | // (even if not explicitly declared static). |
2016 | | // [class.free]p6 Any deallocation function for a class X is a static member |
2017 | | // (even if not explicitly declared static). |
2018 | 29.3M | return OOK == OO_New || OOK == OO_Array_New29.3M || OOK == OO_Delete29.3M || |
2019 | 29.3M | OOK == OO_Array_Delete29.3M ; |
2020 | 29.3M | } |
2021 | | |
2022 | 1.55M | bool isConst() const { return getType()->castAs<FunctionType>()->isConst(); } |
2023 | 1.37M | bool isVolatile() const { return getType()->castAs<FunctionType>()->isVolatile(); } |
2024 | | |
2025 | 13.9M | bool isVirtual() const { |
2026 | 13.9M | CXXMethodDecl *CD = const_cast<CXXMethodDecl*>(this)->getCanonicalDecl(); |
2027 | | |
2028 | | // Member function is virtual if it is marked explicitly so, or if it is |
2029 | | // declared in __interface -- then it is automatically pure virtual. |
2030 | 13.9M | if (CD->isVirtualAsWritten() || CD->isPure()13.3M ) |
2031 | 614k | return true; |
2032 | | |
2033 | 13.3M | return CD->size_overridden_methods() != 0; |
2034 | 13.9M | } |
2035 | | |
2036 | | /// If it's possible to devirtualize a call to this method, return the called |
2037 | | /// function. Otherwise, return null. |
2038 | | |
2039 | | /// \param Base The object on which this virtual function is called. |
2040 | | /// \param IsAppleKext True if we are compiling for Apple kext. |
2041 | | CXXMethodDecl *getDevirtualizedMethod(const Expr *Base, bool IsAppleKext); |
2042 | | |
2043 | | const CXXMethodDecl *getDevirtualizedMethod(const Expr *Base, |
2044 | 1.70k | bool IsAppleKext) const { |
2045 | 1.70k | return const_cast<CXXMethodDecl *>(this)->getDevirtualizedMethod( |
2046 | 1.70k | Base, IsAppleKext); |
2047 | 1.70k | } |
2048 | | |
2049 | | /// Determine whether this is a usual deallocation function (C++ |
2050 | | /// [basic.stc.dynamic.deallocation]p2), which is an overloaded delete or |
2051 | | /// delete[] operator with a particular signature. Populates \p PreventedBy |
2052 | | /// with the declarations of the functions of the same kind if they were the |
2053 | | /// reason for this function returning false. This is used by |
2054 | | /// Sema::isUsualDeallocationFunction to reconsider the answer based on the |
2055 | | /// context. |
2056 | | bool isUsualDeallocationFunction( |
2057 | | SmallVectorImpl<const FunctionDecl *> &PreventedBy) const; |
2058 | | |
2059 | | /// Determine whether this is a copy-assignment operator, regardless |
2060 | | /// of whether it was declared implicitly or explicitly. |
2061 | | bool isCopyAssignmentOperator() const; |
2062 | | |
2063 | | /// Determine whether this is a move assignment operator. |
2064 | | bool isMoveAssignmentOperator() const; |
2065 | | |
2066 | 95.8M | CXXMethodDecl *getCanonicalDecl() override { |
2067 | 95.8M | return cast<CXXMethodDecl>(FunctionDecl::getCanonicalDecl()); |
2068 | 95.8M | } |
2069 | 46.8M | const CXXMethodDecl *getCanonicalDecl() const { |
2070 | 46.8M | return const_cast<CXXMethodDecl*>(this)->getCanonicalDecl(); |
2071 | 46.8M | } |
2072 | | |
2073 | 176k | CXXMethodDecl *getMostRecentDecl() { |
2074 | 176k | return cast<CXXMethodDecl>( |
2075 | 176k | static_cast<FunctionDecl *>(this)->getMostRecentDecl()); |
2076 | 176k | } |
2077 | 0 | const CXXMethodDecl *getMostRecentDecl() const { |
2078 | 0 | return const_cast<CXXMethodDecl*>(this)->getMostRecentDecl(); |
2079 | 0 | } |
2080 | | |
2081 | | void addOverriddenMethod(const CXXMethodDecl *MD); |
2082 | | |
2083 | | using method_iterator = const CXXMethodDecl *const *; |
2084 | | |
2085 | | method_iterator begin_overridden_methods() const; |
2086 | | method_iterator end_overridden_methods() const; |
2087 | | unsigned size_overridden_methods() const; |
2088 | | |
2089 | | using overridden_method_range = llvm::iterator_range< |
2090 | | llvm::TinyPtrVector<const CXXMethodDecl *>::const_iterator>; |
2091 | | |
2092 | | overridden_method_range overridden_methods() const; |
2093 | | |
2094 | | /// Return the parent of this method declaration, which |
2095 | | /// is the class in which this method is defined. |
2096 | 39.9M | const CXXRecordDecl *getParent() const { |
2097 | 39.9M | return cast<CXXRecordDecl>(FunctionDecl::getParent()); |
2098 | 39.9M | } |
2099 | | |
2100 | | /// Return the parent of this method declaration, which |
2101 | | /// is the class in which this method is defined. |
2102 | 13.5M | CXXRecordDecl *getParent() { |
2103 | 13.5M | return const_cast<CXXRecordDecl *>( |
2104 | 13.5M | cast<CXXRecordDecl>(FunctionDecl::getParent())); |
2105 | 13.5M | } |
2106 | | |
2107 | | /// Return the type of the \c this pointer. |
2108 | | /// |
2109 | | /// Should only be called for instance (i.e., non-static) methods. Note |
2110 | | /// that for the call operator of a lambda closure type, this returns the |
2111 | | /// desugared 'this' type (a pointer to the closure type), not the captured |
2112 | | /// 'this' type. |
2113 | | QualType getThisType() const; |
2114 | | |
2115 | | /// Return the type of the object pointed by \c this. |
2116 | | /// |
2117 | | /// See getThisType() for usage restriction. |
2118 | | QualType getThisObjectType() const; |
2119 | | |
2120 | | static QualType getThisType(const FunctionProtoType *FPT, |
2121 | | const CXXRecordDecl *Decl); |
2122 | | |
2123 | | static QualType getThisObjectType(const FunctionProtoType *FPT, |
2124 | | const CXXRecordDecl *Decl); |
2125 | | |
2126 | 6.63M | Qualifiers getMethodQualifiers() const { |
2127 | 6.63M | return getType()->castAs<FunctionProtoType>()->getMethodQuals(); |
2128 | 6.63M | } |
2129 | | |
2130 | | /// Retrieve the ref-qualifier associated with this method. |
2131 | | /// |
2132 | | /// In the following example, \c f() has an lvalue ref-qualifier, \c g() |
2133 | | /// has an rvalue ref-qualifier, and \c h() has no ref-qualifier. |
2134 | | /// @code |
2135 | | /// struct X { |
2136 | | /// void f() &; |
2137 | | /// void g() &&; |
2138 | | /// void h(); |
2139 | | /// }; |
2140 | | /// @endcode |
2141 | 7.40M | RefQualifierKind getRefQualifier() const { |
2142 | 7.40M | return getType()->castAs<FunctionProtoType>()->getRefQualifier(); |
2143 | 7.40M | } |
2144 | | |
2145 | | bool hasInlineBody() const; |
2146 | | |
2147 | | /// Determine whether this is a lambda closure type's static member |
2148 | | /// function that is used for the result of the lambda's conversion to |
2149 | | /// function pointer (for a lambda with no captures). |
2150 | | /// |
2151 | | /// The function itself, if used, will have a placeholder body that will be |
2152 | | /// supplied by IR generation to either forward to the function call operator |
2153 | | /// or clone the function call operator. |
2154 | | bool isLambdaStaticInvoker() const; |
2155 | | |
2156 | | /// Find the method in \p RD that corresponds to this one. |
2157 | | /// |
2158 | | /// Find if \p RD or one of the classes it inherits from override this method. |
2159 | | /// If so, return it. \p RD is assumed to be a subclass of the class defining |
2160 | | /// this method (or be the class itself), unless \p MayBeBase is set to true. |
2161 | | CXXMethodDecl * |
2162 | | getCorrespondingMethodInClass(const CXXRecordDecl *RD, |
2163 | | bool MayBeBase = false); |
2164 | | |
2165 | | const CXXMethodDecl * |
2166 | | getCorrespondingMethodInClass(const CXXRecordDecl *RD, |
2167 | 721 | bool MayBeBase = false) const { |
2168 | 721 | return const_cast<CXXMethodDecl *>(this) |
2169 | 721 | ->getCorrespondingMethodInClass(RD, MayBeBase); |
2170 | 721 | } |
2171 | | |
2172 | | /// Find if \p RD declares a function that overrides this function, and if so, |
2173 | | /// return it. Does not search base classes. |
2174 | | CXXMethodDecl *getCorrespondingMethodDeclaredInClass(const CXXRecordDecl *RD, |
2175 | | bool MayBeBase = false); |
2176 | | const CXXMethodDecl * |
2177 | | getCorrespondingMethodDeclaredInClass(const CXXRecordDecl *RD, |
2178 | 196 | bool MayBeBase = false) const { |
2179 | 196 | return const_cast<CXXMethodDecl *>(this) |
2180 | 196 | ->getCorrespondingMethodDeclaredInClass(RD, MayBeBase); |
2181 | 196 | } |
2182 | | |
2183 | | // Implement isa/cast/dyncast/etc. |
2184 | 542M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
2185 | 826M | static bool classofKind(Kind K) { |
2186 | 826M | return K >= firstCXXMethod && K <= lastCXXMethod357M ; |
2187 | 826M | } |
2188 | | }; |
2189 | | |
2190 | | /// Represents a C++ base or member initializer. |
2191 | | /// |
2192 | | /// This is part of a constructor initializer that |
2193 | | /// initializes one non-static member variable or one base class. For |
2194 | | /// example, in the following, both 'A(a)' and 'f(3.14159)' are member |
2195 | | /// initializers: |
2196 | | /// |
2197 | | /// \code |
2198 | | /// class A { }; |
2199 | | /// class B : public A { |
2200 | | /// float f; |
2201 | | /// public: |
2202 | | /// B(A& a) : A(a), f(3.14159) { } |
2203 | | /// }; |
2204 | | /// \endcode |
2205 | | class CXXCtorInitializer final { |
2206 | | /// Either the base class name/delegating constructor type (stored as |
2207 | | /// a TypeSourceInfo*), an normal field (FieldDecl), or an anonymous field |
2208 | | /// (IndirectFieldDecl*) being initialized. |
2209 | | llvm::PointerUnion<TypeSourceInfo *, FieldDecl *, IndirectFieldDecl *> |
2210 | | Initializee; |
2211 | | |
2212 | | /// The argument used to initialize the base or member, which may |
2213 | | /// end up constructing an object (when multiple arguments are involved). |
2214 | | Stmt *Init; |
2215 | | |
2216 | | /// The source location for the field name or, for a base initializer |
2217 | | /// pack expansion, the location of the ellipsis. |
2218 | | /// |
2219 | | /// In the case of a delegating |
2220 | | /// constructor, it will still include the type's source location as the |
2221 | | /// Initializee points to the CXXConstructorDecl (to allow loop detection). |
2222 | | SourceLocation MemberOrEllipsisLocation; |
2223 | | |
2224 | | /// Location of the left paren of the ctor-initializer. |
2225 | | SourceLocation LParenLoc; |
2226 | | |
2227 | | /// Location of the right paren of the ctor-initializer. |
2228 | | SourceLocation RParenLoc; |
2229 | | |
2230 | | /// If the initializee is a type, whether that type makes this |
2231 | | /// a delegating initialization. |
2232 | | unsigned IsDelegating : 1; |
2233 | | |
2234 | | /// If the initializer is a base initializer, this keeps track |
2235 | | /// of whether the base is virtual or not. |
2236 | | unsigned IsVirtual : 1; |
2237 | | |
2238 | | /// Whether or not the initializer is explicitly written |
2239 | | /// in the sources. |
2240 | | unsigned IsWritten : 1; |
2241 | | |
2242 | | /// If IsWritten is true, then this number keeps track of the textual order |
2243 | | /// of this initializer in the original sources, counting from 0. |
2244 | | unsigned SourceOrder : 13; |
2245 | | |
2246 | | public: |
2247 | | /// Creates a new base-class initializer. |
2248 | | explicit |
2249 | | CXXCtorInitializer(ASTContext &Context, TypeSourceInfo *TInfo, bool IsVirtual, |
2250 | | SourceLocation L, Expr *Init, SourceLocation R, |
2251 | | SourceLocation EllipsisLoc); |
2252 | | |
2253 | | /// Creates a new member initializer. |
2254 | | explicit |
2255 | | CXXCtorInitializer(ASTContext &Context, FieldDecl *Member, |
2256 | | SourceLocation MemberLoc, SourceLocation L, Expr *Init, |
2257 | | SourceLocation R); |
2258 | | |
2259 | | /// Creates a new anonymous field initializer. |
2260 | | explicit |
2261 | | CXXCtorInitializer(ASTContext &Context, IndirectFieldDecl *Member, |
2262 | | SourceLocation MemberLoc, SourceLocation L, Expr *Init, |
2263 | | SourceLocation R); |
2264 | | |
2265 | | /// Creates a new delegating initializer. |
2266 | | explicit |
2267 | | CXXCtorInitializer(ASTContext &Context, TypeSourceInfo *TInfo, |
2268 | | SourceLocation L, Expr *Init, SourceLocation R); |
2269 | | |
2270 | | /// \return Unique reproducible object identifier. |
2271 | | int64_t getID(const ASTContext &Context) const; |
2272 | | |
2273 | | /// Determine whether this initializer is initializing a base class. |
2274 | 573k | bool isBaseInitializer() const { |
2275 | 573k | return Initializee.is<TypeSourceInfo*>() && !IsDelegating263k ; |
2276 | 573k | } |
2277 | | |
2278 | | /// Determine whether this initializer is initializing a non-static |
2279 | | /// data member. |
2280 | 1.85M | bool isMemberInitializer() const { return Initializee.is<FieldDecl*>(); } |
2281 | | |
2282 | 820k | bool isAnyMemberInitializer() const { |
2283 | 820k | return isMemberInitializer() || isIndirectMemberInitializer()109k ; |
2284 | 820k | } |
2285 | | |
2286 | 203k | bool isIndirectMemberInitializer() const { |
2287 | 203k | return Initializee.is<IndirectFieldDecl*>(); |
2288 | 203k | } |
2289 | | |
2290 | | /// Determine whether this initializer is an implicit initializer |
2291 | | /// generated for a field with an initializer defined on the member |
2292 | | /// declaration. |
2293 | | /// |
2294 | | /// In-class member initializers (also known as "non-static data member |
2295 | | /// initializations", NSDMIs) were introduced in C++11. |
2296 | 142k | bool isInClassMemberInitializer() const { |
2297 | 142k | return Init->getStmtClass() == Stmt::CXXDefaultInitExprClass; |
2298 | 142k | } |
2299 | | |
2300 | | /// Determine whether this initializer is creating a delegating |
2301 | | /// constructor. |
2302 | 95.0k | bool isDelegatingInitializer() const { |
2303 | 95.0k | return Initializee.is<TypeSourceInfo*>() && IsDelegating16.5k ; |
2304 | 95.0k | } |
2305 | | |
2306 | | /// Determine whether this initializer is a pack expansion. |
2307 | 50.6k | bool isPackExpansion() const { |
2308 | 50.6k | return isBaseInitializer() && MemberOrEllipsisLocation.isValid()21.7k ; |
2309 | 50.6k | } |
2310 | | |
2311 | | // For a pack expansion, returns the location of the ellipsis. |
2312 | 647 | SourceLocation getEllipsisLoc() const { |
2313 | 647 | if (!isPackExpansion()) |
2314 | 0 | return {}; |
2315 | 647 | return MemberOrEllipsisLocation; |
2316 | 647 | } |
2317 | | |
2318 | | /// If this is a base class initializer, returns the type of the |
2319 | | /// base class with location information. Otherwise, returns an NULL |
2320 | | /// type location. |
2321 | | TypeLoc getBaseClassLoc() const; |
2322 | | |
2323 | | /// If this is a base class initializer, returns the type of the base class. |
2324 | | /// Otherwise, returns null. |
2325 | | const Type *getBaseClass() const; |
2326 | | |
2327 | | /// Returns whether the base is virtual or not. |
2328 | 43.1k | bool isBaseVirtual() const { |
2329 | 43.1k | assert(isBaseInitializer() && "Must call this on base initializer!"); |
2330 | | |
2331 | 0 | return IsVirtual; |
2332 | 43.1k | } |
2333 | | |
2334 | | /// Returns the declarator information for a base class or delegating |
2335 | | /// initializer. |
2336 | 69.1k | TypeSourceInfo *getTypeSourceInfo() const { |
2337 | 69.1k | return Initializee.dyn_cast<TypeSourceInfo *>(); |
2338 | 69.1k | } |
2339 | | |
2340 | | /// If this is a member initializer, returns the declaration of the |
2341 | | /// non-static data member being initialized. Otherwise, returns null. |
2342 | 226k | FieldDecl *getMember() const { |
2343 | 226k | if (isMemberInitializer()) |
2344 | 224k | return Initializee.get<FieldDecl*>(); |
2345 | 1.74k | return nullptr; |
2346 | 226k | } |
2347 | | |
2348 | 694k | FieldDecl *getAnyMember() const { |
2349 | 694k | if (isMemberInitializer()) |
2350 | 684k | return Initializee.get<FieldDecl*>(); |
2351 | 9.74k | if (isIndirectMemberInitializer()) |
2352 | 1.26k | return Initializee.get<IndirectFieldDecl*>()->getAnonField(); |
2353 | 8.48k | return nullptr; |
2354 | 9.74k | } |
2355 | | |
2356 | 56.4k | IndirectFieldDecl *getIndirectMember() const { |
2357 | 56.4k | if (isIndirectMemberInitializer()) |
2358 | 1.24k | return Initializee.get<IndirectFieldDecl*>(); |
2359 | 55.2k | return nullptr; |
2360 | 56.4k | } |
2361 | | |
2362 | 230k | SourceLocation getMemberLocation() const { |
2363 | 230k | return MemberOrEllipsisLocation; |
2364 | 230k | } |
2365 | | |
2366 | | /// Determine the source location of the initializer. |
2367 | | SourceLocation getSourceLocation() const; |
2368 | | |
2369 | | /// Determine the source range covering the entire initializer. |
2370 | | SourceRange getSourceRange() const LLVM_READONLY; |
2371 | | |
2372 | | /// Determine whether this initializer is explicitly written |
2373 | | /// in the source code. |
2374 | 177k | bool isWritten() const { return IsWritten; } |
2375 | | |
2376 | | /// Return the source position of the initializer, counting from 0. |
2377 | | /// If the initializer was implicit, -1 is returned. |
2378 | 21.6k | int getSourceOrder() const { |
2379 | 21.6k | return IsWritten ? static_cast<int>(SourceOrder) : -10 ; |
2380 | 21.6k | } |
2381 | | |
2382 | | /// Set the source order of this initializer. |
2383 | | /// |
2384 | | /// This can only be called once for each initializer; it cannot be called |
2385 | | /// on an initializer having a positive number of (implicit) array indices. |
2386 | | /// |
2387 | | /// This assumes that the initializer was written in the source code, and |
2388 | | /// ensures that isWritten() returns true. |
2389 | 393k | void setSourceOrder(int Pos) { |
2390 | 393k | assert(!IsWritten && |
2391 | 393k | "setSourceOrder() used on implicit initializer"); |
2392 | 0 | assert(SourceOrder == 0 && |
2393 | 393k | "calling twice setSourceOrder() on the same initializer"); |
2394 | 0 | assert(Pos >= 0 && |
2395 | 393k | "setSourceOrder() used to make an initializer implicit"); |
2396 | 0 | IsWritten = true; |
2397 | 393k | SourceOrder = static_cast<unsigned>(Pos); |
2398 | 393k | } |
2399 | | |
2400 | 105k | SourceLocation getLParenLoc() const { return LParenLoc; } |
2401 | 105k | SourceLocation getRParenLoc() const { return RParenLoc; } |
2402 | | |
2403 | | /// Get the initializer. |
2404 | 485k | Expr *getInit() const { return static_cast<Expr *>(Init); } |
2405 | | }; |
2406 | | |
2407 | | /// Description of a constructor that was inherited from a base class. |
2408 | | class InheritedConstructor { |
2409 | | ConstructorUsingShadowDecl *Shadow = nullptr; |
2410 | | CXXConstructorDecl *BaseCtor = nullptr; |
2411 | | |
2412 | | public: |
2413 | 2.50M | InheritedConstructor() = default; |
2414 | | InheritedConstructor(ConstructorUsingShadowDecl *Shadow, |
2415 | | CXXConstructorDecl *BaseCtor) |
2416 | 339 | : Shadow(Shadow), BaseCtor(BaseCtor) {} |
2417 | | |
2418 | 4.91M | explicit operator bool() const { return Shadow; } |
2419 | | |
2420 | 1.46k | ConstructorUsingShadowDecl *getShadowDecl() const { return Shadow; } |
2421 | 2.58k | CXXConstructorDecl *getConstructor() const { return BaseCtor; } |
2422 | | }; |
2423 | | |
2424 | | /// Represents a C++ constructor within a class. |
2425 | | /// |
2426 | | /// For example: |
2427 | | /// |
2428 | | /// \code |
2429 | | /// class X { |
2430 | | /// public: |
2431 | | /// explicit X(int); // represented by a CXXConstructorDecl. |
2432 | | /// }; |
2433 | | /// \endcode |
2434 | | class CXXConstructorDecl final |
2435 | | : public CXXMethodDecl, |
2436 | | private llvm::TrailingObjects<CXXConstructorDecl, InheritedConstructor, |
2437 | | ExplicitSpecifier> { |
2438 | | // This class stores some data in DeclContext::CXXConstructorDeclBits |
2439 | | // to save some space. Use the provided accessors to access it. |
2440 | | |
2441 | | /// \name Support for base and member initializers. |
2442 | | /// \{ |
2443 | | /// The arguments used to initialize the base or member. |
2444 | | LazyCXXCtorInitializersPtr CtorInitializers; |
2445 | | |
2446 | | CXXConstructorDecl(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, |
2447 | | const DeclarationNameInfo &NameInfo, QualType T, |
2448 | | TypeSourceInfo *TInfo, ExplicitSpecifier ES, |
2449 | | bool UsesFPIntrin, bool isInline, |
2450 | | bool isImplicitlyDeclared, ConstexprSpecKind ConstexprKind, |
2451 | | InheritedConstructor Inherited, |
2452 | | Expr *TrailingRequiresClause); |
2453 | | |
2454 | | void anchor() override; |
2455 | | |
2456 | 51.7k | size_t numTrailingObjects(OverloadToken<InheritedConstructor>) const { |
2457 | 51.7k | return CXXConstructorDeclBits.IsInheritingConstructor; |
2458 | 51.7k | } |
2459 | 50.3k | size_t numTrailingObjects(OverloadToken<ExplicitSpecifier>) const { |
2460 | 50.3k | return CXXConstructorDeclBits.HasTrailingExplicitSpecifier; |
2461 | 50.3k | } |
2462 | | |
2463 | 3.72M | ExplicitSpecifier getExplicitSpecifierInternal() const { |
2464 | 3.72M | if (CXXConstructorDeclBits.HasTrailingExplicitSpecifier) |
2465 | 1.17k | return *getTrailingObjects<ExplicitSpecifier>(); |
2466 | 3.72M | return ExplicitSpecifier( |
2467 | 3.72M | nullptr, CXXConstructorDeclBits.IsSimpleExplicit |
2468 | 3.72M | ? ExplicitSpecKind::ResolvedTrue776k |
2469 | 3.72M | : ExplicitSpecKind::ResolvedFalse2.95M ); |
2470 | 3.72M | } |
2471 | | |
2472 | | enum TrailingAllocKind { |
2473 | | TAKInheritsConstructor = 1, |
2474 | | TAKHasTailExplicit = 1 << 1, |
2475 | | }; |
2476 | | |
2477 | 50.3k | uint64_t getTrailingAllocKind() const { |
2478 | 50.3k | return numTrailingObjects(OverloadToken<InheritedConstructor>()) | |
2479 | 50.3k | (numTrailingObjects(OverloadToken<ExplicitSpecifier>()) << 1); |
2480 | 50.3k | } |
2481 | | |
2482 | | public: |
2483 | | friend class ASTDeclReader; |
2484 | | friend class ASTDeclWriter; |
2485 | | friend TrailingObjects; |
2486 | | |
2487 | | static CXXConstructorDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
2488 | | uint64_t AllocKind); |
2489 | | static CXXConstructorDecl * |
2490 | | Create(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, |
2491 | | const DeclarationNameInfo &NameInfo, QualType T, TypeSourceInfo *TInfo, |
2492 | | ExplicitSpecifier ES, bool UsesFPIntrin, bool isInline, |
2493 | | bool isImplicitlyDeclared, ConstexprSpecKind ConstexprKind, |
2494 | | InheritedConstructor Inherited = InheritedConstructor(), |
2495 | | Expr *TrailingRequiresClause = nullptr); |
2496 | | |
2497 | 1.71M | void setExplicitSpecifier(ExplicitSpecifier ES) { |
2498 | 1.71M | assert((!ES.getExpr() || |
2499 | 1.71M | CXXConstructorDeclBits.HasTrailingExplicitSpecifier) && |
2500 | 1.71M | "cannot set this explicit specifier. no trail-allocated space for " |
2501 | 1.71M | "explicit"); |
2502 | 1.71M | if (ES.getExpr()) |
2503 | 183 | *getCanonicalDecl()->getTrailingObjects<ExplicitSpecifier>() = ES; |
2504 | 1.71M | else |
2505 | 1.71M | CXXConstructorDeclBits.IsSimpleExplicit = ES.isExplicit(); |
2506 | 1.71M | } |
2507 | | |
2508 | 2.36M | ExplicitSpecifier getExplicitSpecifier() { |
2509 | 2.36M | return getCanonicalDecl()->getExplicitSpecifierInternal(); |
2510 | 2.36M | } |
2511 | 1.36M | const ExplicitSpecifier getExplicitSpecifier() const { |
2512 | 1.36M | return getCanonicalDecl()->getExplicitSpecifierInternal(); |
2513 | 1.36M | } |
2514 | | |
2515 | | /// Return true if the declartion is already resolved to be explicit. |
2516 | 1.36M | bool isExplicit() const { return getExplicitSpecifier().isExplicit(); } |
2517 | | |
2518 | | /// Iterates through the member/base initializer list. |
2519 | | using init_iterator = CXXCtorInitializer **; |
2520 | | |
2521 | | /// Iterates through the member/base initializer list. |
2522 | | using init_const_iterator = CXXCtorInitializer *const *; |
2523 | | |
2524 | | using init_range = llvm::iterator_range<init_iterator>; |
2525 | | using init_const_range = llvm::iterator_range<init_const_iterator>; |
2526 | | |
2527 | 173k | init_range inits() { return init_range(init_begin(), init_end()); } |
2528 | 109k | init_const_range inits() const { |
2529 | 109k | return init_const_range(init_begin(), init_end()); |
2530 | 109k | } |
2531 | | |
2532 | | /// Retrieve an iterator to the first initializer. |
2533 | 346k | init_iterator init_begin() { |
2534 | 346k | const auto *ConstThis = this; |
2535 | 346k | return const_cast<init_iterator>(ConstThis->init_begin()); |
2536 | 346k | } |
2537 | | |
2538 | | /// Retrieve an iterator to the first initializer. |
2539 | | init_const_iterator init_begin() const; |
2540 | | |
2541 | | /// Retrieve an iterator past the last initializer. |
2542 | 173k | init_iterator init_end() { |
2543 | 173k | return init_begin() + getNumCtorInitializers(); |
2544 | 173k | } |
2545 | | |
2546 | | /// Retrieve an iterator past the last initializer. |
2547 | 150k | init_const_iterator init_end() const { |
2548 | 150k | return init_begin() + getNumCtorInitializers(); |
2549 | 150k | } |
2550 | | |
2551 | | using init_reverse_iterator = std::reverse_iterator<init_iterator>; |
2552 | | using init_const_reverse_iterator = |
2553 | | std::reverse_iterator<init_const_iterator>; |
2554 | | |
2555 | 0 | init_reverse_iterator init_rbegin() { |
2556 | 0 | return init_reverse_iterator(init_end()); |
2557 | 0 | } |
2558 | 0 | init_const_reverse_iterator init_rbegin() const { |
2559 | 0 | return init_const_reverse_iterator(init_end()); |
2560 | 0 | } |
2561 | | |
2562 | 0 | init_reverse_iterator init_rend() { |
2563 | 0 | return init_reverse_iterator(init_begin()); |
2564 | 0 | } |
2565 | 0 | init_const_reverse_iterator init_rend() const { |
2566 | 0 | return init_const_reverse_iterator(init_begin()); |
2567 | 0 | } |
2568 | | |
2569 | | /// Determine the number of arguments used to initialize the member |
2570 | | /// or base. |
2571 | 727k | unsigned getNumCtorInitializers() const { |
2572 | 727k | return CXXConstructorDeclBits.NumCtorInitializers; |
2573 | 727k | } |
2574 | | |
2575 | 1.72M | void setNumCtorInitializers(unsigned numCtorInitializers) { |
2576 | 1.72M | CXXConstructorDeclBits.NumCtorInitializers = numCtorInitializers; |
2577 | | // This assert added because NumCtorInitializers is stored |
2578 | | // in CXXConstructorDeclBits as a bitfield and its width has |
2579 | | // been shrunk from 32 bits to fit into CXXConstructorDeclBitfields. |
2580 | 1.72M | assert(CXXConstructorDeclBits.NumCtorInitializers == |
2581 | 1.72M | numCtorInitializers && "NumCtorInitializers overflow!"); |
2582 | 1.72M | } |
2583 | | |
2584 | 319k | void setCtorInitializers(CXXCtorInitializer **Initializers) { |
2585 | 319k | CtorInitializers = Initializers; |
2586 | 319k | } |
2587 | | |
2588 | | /// Determine whether this constructor is a delegating constructor. |
2589 | 64.3k | bool isDelegatingConstructor() const { |
2590 | 64.3k | return (getNumCtorInitializers() == 1) && |
2591 | 64.3k | init_begin()[0]->isDelegatingInitializer()34.4k ; |
2592 | 64.3k | } |
2593 | | |
2594 | | /// When this constructor delegates to another, retrieve the target. |
2595 | | CXXConstructorDecl *getTargetConstructor() const; |
2596 | | |
2597 | | /// Whether this constructor is a default |
2598 | | /// constructor (C++ [class.ctor]p5), which can be used to |
2599 | | /// default-initialize a class of this type. |
2600 | | bool isDefaultConstructor() const; |
2601 | | |
2602 | | /// Whether this constructor is a copy constructor (C++ [class.copy]p2, |
2603 | | /// which can be used to copy the class. |
2604 | | /// |
2605 | | /// \p TypeQuals will be set to the qualifiers on the |
2606 | | /// argument type. For example, \p TypeQuals would be set to \c |
2607 | | /// Qualifiers::Const for the following copy constructor: |
2608 | | /// |
2609 | | /// \code |
2610 | | /// class X { |
2611 | | /// public: |
2612 | | /// X(const X&); |
2613 | | /// }; |
2614 | | /// \endcode |
2615 | | bool isCopyConstructor(unsigned &TypeQuals) const; |
2616 | | |
2617 | | /// Whether this constructor is a copy |
2618 | | /// constructor (C++ [class.copy]p2, which can be used to copy the |
2619 | | /// class. |
2620 | 777k | bool isCopyConstructor() const { |
2621 | 777k | unsigned TypeQuals = 0; |
2622 | 777k | return isCopyConstructor(TypeQuals); |
2623 | 777k | } |
2624 | | |
2625 | | /// Determine whether this constructor is a move constructor |
2626 | | /// (C++11 [class.copy]p3), which can be used to move values of the class. |
2627 | | /// |
2628 | | /// \param TypeQuals If this constructor is a move constructor, will be set |
2629 | | /// to the type qualifiers on the referent of the first parameter's type. |
2630 | | bool isMoveConstructor(unsigned &TypeQuals) const; |
2631 | | |
2632 | | /// Determine whether this constructor is a move constructor |
2633 | | /// (C++11 [class.copy]p3), which can be used to move values of the class. |
2634 | 986k | bool isMoveConstructor() const { |
2635 | 986k | unsigned TypeQuals = 0; |
2636 | 986k | return isMoveConstructor(TypeQuals); |
2637 | 986k | } |
2638 | | |
2639 | | /// Determine whether this is a copy or move constructor. |
2640 | | /// |
2641 | | /// \param TypeQuals Will be set to the type qualifiers on the reference |
2642 | | /// parameter, if in fact this is a copy or move constructor. |
2643 | | bool isCopyOrMoveConstructor(unsigned &TypeQuals) const; |
2644 | | |
2645 | | /// Determine whether this a copy or move constructor. |
2646 | 2.59M | bool isCopyOrMoveConstructor() const { |
2647 | 2.59M | unsigned Quals; |
2648 | 2.59M | return isCopyOrMoveConstructor(Quals); |
2649 | 2.59M | } |
2650 | | |
2651 | | /// Whether this constructor is a |
2652 | | /// converting constructor (C++ [class.conv.ctor]), which can be |
2653 | | /// used for user-defined conversions. |
2654 | | bool isConvertingConstructor(bool AllowExplicit) const; |
2655 | | |
2656 | | /// Determine whether this is a member template specialization that |
2657 | | /// would copy the object to itself. Such constructors are never used to copy |
2658 | | /// an object. |
2659 | | bool isSpecializationCopyingObject() const; |
2660 | | |
2661 | | /// Determine whether this is an implicit constructor synthesized to |
2662 | | /// model a call to a constructor inherited from a base class. |
2663 | 2.78M | bool isInheritingConstructor() const { |
2664 | 2.78M | return CXXConstructorDeclBits.IsInheritingConstructor; |
2665 | 2.78M | } |
2666 | | |
2667 | | /// State that this is an implicit constructor synthesized to |
2668 | | /// model a call to a constructor inherited from a base class. |
2669 | 1.51M | void setInheritingConstructor(bool isIC = true) { |
2670 | 1.51M | CXXConstructorDeclBits.IsInheritingConstructor = isIC; |
2671 | 1.51M | } |
2672 | | |
2673 | | /// Get the constructor that this inheriting constructor is based on. |
2674 | 1.21M | InheritedConstructor getInheritedConstructor() const { |
2675 | 1.21M | return isInheritingConstructor() ? |
2676 | 1.20M | *getTrailingObjects<InheritedConstructor>()5.48k : InheritedConstructor(); |
2677 | 1.21M | } |
2678 | | |
2679 | 43.7M | CXXConstructorDecl *getCanonicalDecl() override { |
2680 | 43.7M | return cast<CXXConstructorDecl>(FunctionDecl::getCanonicalDecl()); |
2681 | 43.7M | } |
2682 | 1.36M | const CXXConstructorDecl *getCanonicalDecl() const { |
2683 | 1.36M | return const_cast<CXXConstructorDecl*>(this)->getCanonicalDecl(); |
2684 | 1.36M | } |
2685 | | |
2686 | | // Implement isa/cast/dyncast/etc. |
2687 | 203M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
2688 | 203M | static bool classofKind(Kind K) { return K == CXXConstructor; } |
2689 | | }; |
2690 | | |
2691 | | /// Represents a C++ destructor within a class. |
2692 | | /// |
2693 | | /// For example: |
2694 | | /// |
2695 | | /// \code |
2696 | | /// class X { |
2697 | | /// public: |
2698 | | /// ~X(); // represented by a CXXDestructorDecl. |
2699 | | /// }; |
2700 | | /// \endcode |
2701 | | class CXXDestructorDecl : public CXXMethodDecl { |
2702 | | friend class ASTDeclReader; |
2703 | | friend class ASTDeclWriter; |
2704 | | |
2705 | | // FIXME: Don't allocate storage for these except in the first declaration |
2706 | | // of a virtual destructor. |
2707 | | FunctionDecl *OperatorDelete = nullptr; |
2708 | | Expr *OperatorDeleteThisArg = nullptr; |
2709 | | |
2710 | | CXXDestructorDecl(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, |
2711 | | const DeclarationNameInfo &NameInfo, QualType T, |
2712 | | TypeSourceInfo *TInfo, bool UsesFPIntrin, bool isInline, |
2713 | | bool isImplicitlyDeclared, ConstexprSpecKind ConstexprKind, |
2714 | | Expr *TrailingRequiresClause = nullptr) |
2715 | | : CXXMethodDecl(CXXDestructor, C, RD, StartLoc, NameInfo, T, TInfo, |
2716 | | SC_None, UsesFPIntrin, isInline, ConstexprKind, |
2717 | 208k | SourceLocation(), TrailingRequiresClause) { |
2718 | 208k | setImplicit(isImplicitlyDeclared); |
2719 | 208k | } |
2720 | | |
2721 | | void anchor() override; |
2722 | | |
2723 | | public: |
2724 | | static CXXDestructorDecl * |
2725 | | Create(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, |
2726 | | const DeclarationNameInfo &NameInfo, QualType T, TypeSourceInfo *TInfo, |
2727 | | bool UsesFPIntrin, bool isInline, bool isImplicitlyDeclared, |
2728 | | ConstexprSpecKind ConstexprKind, |
2729 | | Expr *TrailingRequiresClause = nullptr); |
2730 | | static CXXDestructorDecl *CreateDeserialized(ASTContext & C, unsigned ID); |
2731 | | |
2732 | | void setOperatorDelete(FunctionDecl *OD, Expr *ThisArg); |
2733 | | |
2734 | 57.3k | const FunctionDecl *getOperatorDelete() const { |
2735 | 57.3k | return getCanonicalDecl()->OperatorDelete; |
2736 | 57.3k | } |
2737 | | |
2738 | 22.5k | Expr *getOperatorDeleteThisArg() const { |
2739 | 22.5k | return getCanonicalDecl()->OperatorDeleteThisArg; |
2740 | 22.5k | } |
2741 | | |
2742 | 8.57M | CXXDestructorDecl *getCanonicalDecl() override { |
2743 | 8.57M | return cast<CXXDestructorDecl>(FunctionDecl::getCanonicalDecl()); |
2744 | 8.57M | } |
2745 | 79.8k | const CXXDestructorDecl *getCanonicalDecl() const { |
2746 | 79.8k | return const_cast<CXXDestructorDecl*>(this)->getCanonicalDecl(); |
2747 | 79.8k | } |
2748 | | |
2749 | | // Implement isa/cast/dyncast/etc. |
2750 | 145M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
2751 | 145M | static bool classofKind(Kind K) { return K == CXXDestructor; } |
2752 | | }; |
2753 | | |
2754 | | /// Represents a C++ conversion function within a class. |
2755 | | /// |
2756 | | /// For example: |
2757 | | /// |
2758 | | /// \code |
2759 | | /// class X { |
2760 | | /// public: |
2761 | | /// operator bool(); |
2762 | | /// }; |
2763 | | /// \endcode |
2764 | | class CXXConversionDecl : public CXXMethodDecl { |
2765 | | CXXConversionDecl(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, |
2766 | | const DeclarationNameInfo &NameInfo, QualType T, |
2767 | | TypeSourceInfo *TInfo, bool UsesFPIntrin, bool isInline, |
2768 | | ExplicitSpecifier ES, ConstexprSpecKind ConstexprKind, |
2769 | | SourceLocation EndLocation, |
2770 | | Expr *TrailingRequiresClause = nullptr) |
2771 | | : CXXMethodDecl(CXXConversion, C, RD, StartLoc, NameInfo, T, TInfo, |
2772 | | SC_None, UsesFPIntrin, isInline, ConstexprKind, |
2773 | | EndLocation, TrailingRequiresClause), |
2774 | 43.9k | ExplicitSpec(ES) {} |
2775 | | void anchor() override; |
2776 | | |
2777 | | ExplicitSpecifier ExplicitSpec; |
2778 | | |
2779 | | public: |
2780 | | friend class ASTDeclReader; |
2781 | | friend class ASTDeclWriter; |
2782 | | |
2783 | | static CXXConversionDecl * |
2784 | | Create(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, |
2785 | | const DeclarationNameInfo &NameInfo, QualType T, TypeSourceInfo *TInfo, |
2786 | | bool UsesFPIntrin, bool isInline, ExplicitSpecifier ES, |
2787 | | ConstexprSpecKind ConstexprKind, SourceLocation EndLocation, |
2788 | | Expr *TrailingRequiresClause = nullptr); |
2789 | | static CXXConversionDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
2790 | | |
2791 | 23.9k | ExplicitSpecifier getExplicitSpecifier() { |
2792 | 23.9k | return getCanonicalDecl()->ExplicitSpec; |
2793 | 23.9k | } |
2794 | | |
2795 | 1.23M | const ExplicitSpecifier getExplicitSpecifier() const { |
2796 | 1.23M | return getCanonicalDecl()->ExplicitSpec; |
2797 | 1.23M | } |
2798 | | |
2799 | | /// Return true if the declartion is already resolved to be explicit. |
2800 | 1.23M | bool isExplicit() const { return getExplicitSpecifier().isExplicit(); } |
2801 | 5.31k | void setExplicitSpecifier(ExplicitSpecifier ES) { ExplicitSpec = ES; } |
2802 | | |
2803 | | /// Returns the type that this conversion function is converting to. |
2804 | 1.87M | QualType getConversionType() const { |
2805 | 1.87M | return getType()->castAs<FunctionType>()->getReturnType(); |
2806 | 1.87M | } |
2807 | | |
2808 | | /// Determine whether this conversion function is a conversion from |
2809 | | /// a lambda closure type to a block pointer. |
2810 | | bool isLambdaToBlockPointerConversion() const; |
2811 | | |
2812 | 4.28M | CXXConversionDecl *getCanonicalDecl() override { |
2813 | 4.28M | return cast<CXXConversionDecl>(FunctionDecl::getCanonicalDecl()); |
2814 | 4.28M | } |
2815 | 1.23M | const CXXConversionDecl *getCanonicalDecl() const { |
2816 | 1.23M | return const_cast<CXXConversionDecl*>(this)->getCanonicalDecl(); |
2817 | 1.23M | } |
2818 | | |
2819 | | // Implement isa/cast/dyncast/etc. |
2820 | 25.9M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
2821 | 25.9M | static bool classofKind(Kind K) { return K == CXXConversion; } |
2822 | | }; |
2823 | | |
2824 | | /// Represents a linkage specification. |
2825 | | /// |
2826 | | /// For example: |
2827 | | /// \code |
2828 | | /// extern "C" void foo(); |
2829 | | /// \endcode |
2830 | | class LinkageSpecDecl : public Decl, public DeclContext { |
2831 | | virtual void anchor(); |
2832 | | // This class stores some data in DeclContext::LinkageSpecDeclBits to save |
2833 | | // some space. Use the provided accessors to access it. |
2834 | | public: |
2835 | | /// Represents the language in a linkage specification. |
2836 | | /// |
2837 | | /// The values are part of the serialization ABI for |
2838 | | /// ASTs and cannot be changed without altering that ABI. |
2839 | | enum LanguageIDs { lang_c = 1, lang_cxx = 2 }; |
2840 | | |
2841 | | private: |
2842 | | /// The source location for the extern keyword. |
2843 | | SourceLocation ExternLoc; |
2844 | | |
2845 | | /// The source location for the right brace (if valid). |
2846 | | SourceLocation RBraceLoc; |
2847 | | |
2848 | | LinkageSpecDecl(DeclContext *DC, SourceLocation ExternLoc, |
2849 | | SourceLocation LangLoc, LanguageIDs lang, bool HasBraces); |
2850 | | |
2851 | | public: |
2852 | | static LinkageSpecDecl *Create(ASTContext &C, DeclContext *DC, |
2853 | | SourceLocation ExternLoc, |
2854 | | SourceLocation LangLoc, LanguageIDs Lang, |
2855 | | bool HasBraces); |
2856 | | static LinkageSpecDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
2857 | | |
2858 | | /// Return the language specified by this linkage specification. |
2859 | 31.9M | LanguageIDs getLanguage() const { |
2860 | 31.9M | return static_cast<LanguageIDs>(LinkageSpecDeclBits.Language); |
2861 | 31.9M | } |
2862 | | |
2863 | | /// Set the language specified by this linkage specification. |
2864 | 410k | void setLanguage(LanguageIDs L) { LinkageSpecDeclBits.Language = L; } |
2865 | | |
2866 | | /// Determines whether this linkage specification had braces in |
2867 | | /// its syntactic form. |
2868 | 212k | bool hasBraces() const { |
2869 | 212k | assert(!RBraceLoc.isValid() || LinkageSpecDeclBits.HasBraces); |
2870 | 0 | return LinkageSpecDeclBits.HasBraces; |
2871 | 212k | } |
2872 | | |
2873 | 31.5k | SourceLocation getExternLoc() const { return ExternLoc; } |
2874 | 64.9k | SourceLocation getRBraceLoc() const { return RBraceLoc; } |
2875 | 24.3k | void setExternLoc(SourceLocation L) { ExternLoc = L; } |
2876 | 96.8k | void setRBraceLoc(SourceLocation L) { |
2877 | 96.8k | RBraceLoc = L; |
2878 | 96.8k | LinkageSpecDeclBits.HasBraces = RBraceLoc.isValid(); |
2879 | 96.8k | } |
2880 | | |
2881 | 37.1k | SourceLocation getEndLoc() const LLVM_READONLY { |
2882 | 37.1k | if (hasBraces()) |
2883 | 37.0k | return getRBraceLoc(); |
2884 | | // No braces: get the end location of the (only) declaration in context |
2885 | | // (if present). |
2886 | 78 | return decls_empty() ? getLocation()0 : decls_begin()->getEndLoc(); |
2887 | 37.1k | } |
2888 | | |
2889 | 37.1k | SourceRange getSourceRange() const override LLVM_READONLY { |
2890 | 37.1k | return SourceRange(ExternLoc, getEndLoc()); |
2891 | 37.1k | } |
2892 | | |
2893 | 987k | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
2894 | 113M | static bool classofKind(Kind K) { return K == LinkageSpec; } |
2895 | | |
2896 | 13.3k | static DeclContext *castToDeclContext(const LinkageSpecDecl *D) { |
2897 | 13.3k | return static_cast<DeclContext *>(const_cast<LinkageSpecDecl*>(D)); |
2898 | 13.3k | } |
2899 | | |
2900 | 0 | static LinkageSpecDecl *castFromDeclContext(const DeclContext *DC) { |
2901 | 0 | return static_cast<LinkageSpecDecl *>(const_cast<DeclContext*>(DC)); |
2902 | 0 | } |
2903 | | }; |
2904 | | |
2905 | | /// Represents C++ using-directive. |
2906 | | /// |
2907 | | /// For example: |
2908 | | /// \code |
2909 | | /// using namespace std; |
2910 | | /// \endcode |
2911 | | /// |
2912 | | /// \note UsingDirectiveDecl should be Decl not NamedDecl, but we provide |
2913 | | /// artificial names for all using-directives in order to store |
2914 | | /// them in DeclContext effectively. |
2915 | | class UsingDirectiveDecl : public NamedDecl { |
2916 | | /// The location of the \c using keyword. |
2917 | | SourceLocation UsingLoc; |
2918 | | |
2919 | | /// The location of the \c namespace keyword. |
2920 | | SourceLocation NamespaceLoc; |
2921 | | |
2922 | | /// The nested-name-specifier that precedes the namespace. |
2923 | | NestedNameSpecifierLoc QualifierLoc; |
2924 | | |
2925 | | /// The namespace nominated by this using-directive. |
2926 | | NamedDecl *NominatedNamespace; |
2927 | | |
2928 | | /// Enclosing context containing both using-directive and nominated |
2929 | | /// namespace. |
2930 | | DeclContext *CommonAncestor; |
2931 | | |
2932 | | UsingDirectiveDecl(DeclContext *DC, SourceLocation UsingLoc, |
2933 | | SourceLocation NamespcLoc, |
2934 | | NestedNameSpecifierLoc QualifierLoc, |
2935 | | SourceLocation IdentLoc, |
2936 | | NamedDecl *Nominated, |
2937 | | DeclContext *CommonAncestor) |
2938 | | : NamedDecl(UsingDirective, DC, IdentLoc, getName()), UsingLoc(UsingLoc), |
2939 | | NamespaceLoc(NamespcLoc), QualifierLoc(QualifierLoc), |
2940 | 6.18k | NominatedNamespace(Nominated), CommonAncestor(CommonAncestor) {} |
2941 | | |
2942 | | /// Returns special DeclarationName used by using-directives. |
2943 | | /// |
2944 | | /// This is only used by DeclContext for storing UsingDirectiveDecls in |
2945 | | /// its lookup structure. |
2946 | 108M | static DeclarationName getName() { |
2947 | 108M | return DeclarationName::getUsingDirectiveName(); |
2948 | 108M | } |
2949 | | |
2950 | | void anchor() override; |
2951 | | |
2952 | | public: |
2953 | | friend class ASTDeclReader; |
2954 | | |
2955 | | // Friend for getUsingDirectiveName. |
2956 | | friend class DeclContext; |
2957 | | |
2958 | | /// Retrieve the nested-name-specifier that qualifies the |
2959 | | /// name of the namespace, with source-location information. |
2960 | 1.86k | NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } |
2961 | | |
2962 | | /// Retrieve the nested-name-specifier that qualifies the |
2963 | | /// name of the namespace. |
2964 | 8 | NestedNameSpecifier *getQualifier() const { |
2965 | 8 | return QualifierLoc.getNestedNameSpecifier(); |
2966 | 8 | } |
2967 | | |
2968 | 10 | NamedDecl *getNominatedNamespaceAsWritten() { return NominatedNamespace; } |
2969 | 6 | const NamedDecl *getNominatedNamespaceAsWritten() const { |
2970 | 6 | return NominatedNamespace; |
2971 | 6 | } |
2972 | | |
2973 | | /// Returns the namespace nominated by this using-directive. |
2974 | | NamespaceDecl *getNominatedNamespace(); |
2975 | | |
2976 | 905 | const NamespaceDecl *getNominatedNamespace() const { |
2977 | 905 | return const_cast<UsingDirectiveDecl*>(this)->getNominatedNamespace(); |
2978 | 905 | } |
2979 | | |
2980 | | /// Returns the common ancestor context of this using-directive and |
2981 | | /// its nominated namespace. |
2982 | 1.24k | DeclContext *getCommonAncestor() { return CommonAncestor; } |
2983 | 0 | const DeclContext *getCommonAncestor() const { return CommonAncestor; } |
2984 | | |
2985 | | /// Return the location of the \c using keyword. |
2986 | 421 | SourceLocation getUsingLoc() const { return UsingLoc; } |
2987 | | |
2988 | | // FIXME: Could omit 'Key' in name. |
2989 | | /// Returns the location of the \c namespace keyword. |
2990 | 886 | SourceLocation getNamespaceKeyLocation() const { return NamespaceLoc; } |
2991 | | |
2992 | | /// Returns the location of this using declaration's identifier. |
2993 | 739 | SourceLocation getIdentLocation() const { return getLocation(); } |
2994 | | |
2995 | | static UsingDirectiveDecl *Create(ASTContext &C, DeclContext *DC, |
2996 | | SourceLocation UsingLoc, |
2997 | | SourceLocation NamespaceLoc, |
2998 | | NestedNameSpecifierLoc QualifierLoc, |
2999 | | SourceLocation IdentLoc, |
3000 | | NamedDecl *Nominated, |
3001 | | DeclContext *CommonAncestor); |
3002 | | static UsingDirectiveDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3003 | | |
3004 | 100 | SourceRange getSourceRange() const override LLVM_READONLY { |
3005 | 100 | return SourceRange(UsingLoc, getLocation()); |
3006 | 100 | } |
3007 | | |
3008 | 23.1M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3009 | 23.1M | static bool classofKind(Kind K) { return K == UsingDirective; } |
3010 | | }; |
3011 | | |
3012 | | /// Represents a C++ namespace alias. |
3013 | | /// |
3014 | | /// For example: |
3015 | | /// |
3016 | | /// \code |
3017 | | /// namespace Foo = Bar; |
3018 | | /// \endcode |
3019 | | class NamespaceAliasDecl : public NamedDecl, |
3020 | | public Redeclarable<NamespaceAliasDecl> { |
3021 | | friend class ASTDeclReader; |
3022 | | |
3023 | | /// The location of the \c namespace keyword. |
3024 | | SourceLocation NamespaceLoc; |
3025 | | |
3026 | | /// The location of the namespace's identifier. |
3027 | | /// |
3028 | | /// This is accessed by TargetNameLoc. |
3029 | | SourceLocation IdentLoc; |
3030 | | |
3031 | | /// The nested-name-specifier that precedes the namespace. |
3032 | | NestedNameSpecifierLoc QualifierLoc; |
3033 | | |
3034 | | /// The Decl that this alias points to, either a NamespaceDecl or |
3035 | | /// a NamespaceAliasDecl. |
3036 | | NamedDecl *Namespace; |
3037 | | |
3038 | | NamespaceAliasDecl(ASTContext &C, DeclContext *DC, |
3039 | | SourceLocation NamespaceLoc, SourceLocation AliasLoc, |
3040 | | IdentifierInfo *Alias, NestedNameSpecifierLoc QualifierLoc, |
3041 | | SourceLocation IdentLoc, NamedDecl *Namespace) |
3042 | | : NamedDecl(NamespaceAlias, DC, AliasLoc, Alias), redeclarable_base(C), |
3043 | | NamespaceLoc(NamespaceLoc), IdentLoc(IdentLoc), |
3044 | 376 | QualifierLoc(QualifierLoc), Namespace(Namespace) {} |
3045 | | |
3046 | | void anchor() override; |
3047 | | |
3048 | | using redeclarable_base = Redeclarable<NamespaceAliasDecl>; |
3049 | | |
3050 | | NamespaceAliasDecl *getNextRedeclarationImpl() override; |
3051 | | NamespaceAliasDecl *getPreviousDeclImpl() override; |
3052 | | NamespaceAliasDecl *getMostRecentDeclImpl() override; |
3053 | | |
3054 | | public: |
3055 | | static NamespaceAliasDecl *Create(ASTContext &C, DeclContext *DC, |
3056 | | SourceLocation NamespaceLoc, |
3057 | | SourceLocation AliasLoc, |
3058 | | IdentifierInfo *Alias, |
3059 | | NestedNameSpecifierLoc QualifierLoc, |
3060 | | SourceLocation IdentLoc, |
3061 | | NamedDecl *Namespace); |
3062 | | |
3063 | | static NamespaceAliasDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3064 | | |
3065 | | using redecl_range = redeclarable_base::redecl_range; |
3066 | | using redecl_iterator = redeclarable_base::redecl_iterator; |
3067 | | |
3068 | | using redeclarable_base::redecls_begin; |
3069 | | using redeclarable_base::redecls_end; |
3070 | | using redeclarable_base::redecls; |
3071 | | using redeclarable_base::getPreviousDecl; |
3072 | | using redeclarable_base::getMostRecentDecl; |
3073 | | |
3074 | 289 | NamespaceAliasDecl *getCanonicalDecl() override { |
3075 | 289 | return getFirstDecl(); |
3076 | 289 | } |
3077 | 0 | const NamespaceAliasDecl *getCanonicalDecl() const { |
3078 | 0 | return getFirstDecl(); |
3079 | 0 | } |
3080 | | |
3081 | | /// Retrieve the nested-name-specifier that qualifies the |
3082 | | /// name of the namespace, with source-location information. |
3083 | 333 | NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } |
3084 | | |
3085 | | /// Retrieve the nested-name-specifier that qualifies the |
3086 | | /// name of the namespace. |
3087 | 7 | NestedNameSpecifier *getQualifier() const { |
3088 | 7 | return QualifierLoc.getNestedNameSpecifier(); |
3089 | 7 | } |
3090 | | |
3091 | | /// Retrieve the namespace declaration aliased by this directive. |
3092 | 6.58k | NamespaceDecl *getNamespace() { |
3093 | 6.58k | if (auto *AD = dyn_cast<NamespaceAliasDecl>(Namespace)) |
3094 | 145 | return AD->getNamespace(); |
3095 | | |
3096 | 6.43k | return cast<NamespaceDecl>(Namespace); |
3097 | 6.58k | } |
3098 | | |
3099 | 14 | const NamespaceDecl *getNamespace() const { |
3100 | 14 | return const_cast<NamespaceAliasDecl *>(this)->getNamespace(); |
3101 | 14 | } |
3102 | | |
3103 | | /// Returns the location of the alias name, i.e. 'foo' in |
3104 | | /// "namespace foo = ns::bar;". |
3105 | 5 | SourceLocation getAliasLoc() const { return getLocation(); } |
3106 | | |
3107 | | /// Returns the location of the \c namespace keyword. |
3108 | 19 | SourceLocation getNamespaceLoc() const { return NamespaceLoc; } |
3109 | | |
3110 | | /// Returns the location of the identifier in the named namespace. |
3111 | 30 | SourceLocation getTargetNameLoc() const { return IdentLoc; } |
3112 | | |
3113 | | /// Retrieve the namespace that this alias refers to, which |
3114 | | /// may either be a NamespaceDecl or a NamespaceAliasDecl. |
3115 | 102 | NamedDecl *getAliasedNamespace() const { return Namespace; } |
3116 | | |
3117 | 48 | SourceRange getSourceRange() const override LLVM_READONLY { |
3118 | 48 | return SourceRange(NamespaceLoc, IdentLoc); |
3119 | 48 | } |
3120 | | |
3121 | 47.5M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3122 | 47.5M | static bool classofKind(Kind K) { return K == NamespaceAlias; } |
3123 | | }; |
3124 | | |
3125 | | /// Implicit declaration of a temporary that was materialized by |
3126 | | /// a MaterializeTemporaryExpr and lifetime-extended by a declaration |
3127 | | class LifetimeExtendedTemporaryDecl final |
3128 | | : public Decl, |
3129 | | public Mergeable<LifetimeExtendedTemporaryDecl> { |
3130 | | friend class MaterializeTemporaryExpr; |
3131 | | friend class ASTDeclReader; |
3132 | | |
3133 | | Stmt *ExprWithTemporary = nullptr; |
3134 | | |
3135 | | /// The declaration which lifetime-extended this reference, if any. |
3136 | | /// Either a VarDecl, or (for a ctor-initializer) a FieldDecl. |
3137 | | ValueDecl *ExtendingDecl = nullptr; |
3138 | | unsigned ManglingNumber; |
3139 | | |
3140 | | mutable APValue *Value = nullptr; |
3141 | | |
3142 | | virtual void anchor(); |
3143 | | |
3144 | | LifetimeExtendedTemporaryDecl(Expr *Temp, ValueDecl *EDecl, unsigned Mangling) |
3145 | | : Decl(Decl::LifetimeExtendedTemporary, EDecl->getDeclContext(), |
3146 | | EDecl->getLocation()), |
3147 | | ExprWithTemporary(Temp), ExtendingDecl(EDecl), |
3148 | 2.41k | ManglingNumber(Mangling) {} |
3149 | | |
3150 | | LifetimeExtendedTemporaryDecl(EmptyShell) |
3151 | 17 | : Decl(Decl::LifetimeExtendedTemporary, EmptyShell{}) {} |
3152 | | |
3153 | | public: |
3154 | | static LifetimeExtendedTemporaryDecl *Create(Expr *Temp, ValueDecl *EDec, |
3155 | 2.41k | unsigned Mangling) { |
3156 | 2.41k | return new (EDec->getASTContext(), EDec->getDeclContext()) |
3157 | 2.41k | LifetimeExtendedTemporaryDecl(Temp, EDec, Mangling); |
3158 | 2.41k | } |
3159 | | static LifetimeExtendedTemporaryDecl *CreateDeserialized(ASTContext &C, |
3160 | 17 | unsigned ID) { |
3161 | 17 | return new (C, ID) LifetimeExtendedTemporaryDecl(EmptyShell{}); |
3162 | 17 | } |
3163 | | |
3164 | 2.35k | ValueDecl *getExtendingDecl() { return ExtendingDecl; } |
3165 | 11.9k | const ValueDecl *getExtendingDecl() const { return ExtendingDecl; } |
3166 | | |
3167 | | /// Retrieve the storage duration for the materialized temporary. |
3168 | | StorageDuration getStorageDuration() const; |
3169 | | |
3170 | | /// Retrieve the expression to which the temporary materialization conversion |
3171 | | /// was applied. This isn't necessarily the initializer of the temporary due |
3172 | | /// to the C++98 delayed materialization rules, but |
3173 | | /// skipRValueSubobjectAdjustments can be used to find said initializer within |
3174 | | /// the subexpression. |
3175 | 29.4k | Expr *getTemporaryExpr() { return cast<Expr>(ExprWithTemporary); } |
3176 | 0 | const Expr *getTemporaryExpr() const { return cast<Expr>(ExprWithTemporary); } |
3177 | | |
3178 | 261 | unsigned getManglingNumber() const { return ManglingNumber; } |
3179 | | |
3180 | | /// Get the storage for the constant value of a materialized temporary |
3181 | | /// of static storage duration. |
3182 | | APValue *getOrCreateValue(bool MayCreate) const; |
3183 | | |
3184 | 33 | APValue *getValue() const { return Value; } |
3185 | | |
3186 | | // Iterators |
3187 | 6.64k | Stmt::child_range childrenExpr() { |
3188 | 6.64k | return Stmt::child_range(&ExprWithTemporary, &ExprWithTemporary + 1); |
3189 | 6.64k | } |
3190 | | |
3191 | 0 | Stmt::const_child_range childrenExpr() const { |
3192 | 0 | return Stmt::const_child_range(&ExprWithTemporary, &ExprWithTemporary + 1); |
3193 | 0 | } |
3194 | | |
3195 | 49.0M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3196 | 49.0M | static bool classofKind(Kind K) { |
3197 | 49.0M | return K == Decl::LifetimeExtendedTemporary; |
3198 | 49.0M | } |
3199 | | }; |
3200 | | |
3201 | | /// Represents a shadow declaration implicitly introduced into a scope by a |
3202 | | /// (resolved) using-declaration or using-enum-declaration to achieve |
3203 | | /// the desired lookup semantics. |
3204 | | /// |
3205 | | /// For example: |
3206 | | /// \code |
3207 | | /// namespace A { |
3208 | | /// void foo(); |
3209 | | /// void foo(int); |
3210 | | /// struct foo {}; |
3211 | | /// enum bar { bar1, bar2 }; |
3212 | | /// } |
3213 | | /// namespace B { |
3214 | | /// // add a UsingDecl and three UsingShadowDecls (named foo) to B. |
3215 | | /// using A::foo; |
3216 | | /// // adds UsingEnumDecl and two UsingShadowDecls (named bar1 and bar2) to B. |
3217 | | /// using enum A::bar; |
3218 | | /// } |
3219 | | /// \endcode |
3220 | | class UsingShadowDecl : public NamedDecl, public Redeclarable<UsingShadowDecl> { |
3221 | | friend class BaseUsingDecl; |
3222 | | |
3223 | | /// The referenced declaration. |
3224 | | NamedDecl *Underlying = nullptr; |
3225 | | |
3226 | | /// The using declaration which introduced this decl or the next using |
3227 | | /// shadow declaration contained in the aforementioned using declaration. |
3228 | | NamedDecl *UsingOrNextShadow = nullptr; |
3229 | | |
3230 | | void anchor() override; |
3231 | | |
3232 | | using redeclarable_base = Redeclarable<UsingShadowDecl>; |
3233 | | |
3234 | 394k | UsingShadowDecl *getNextRedeclarationImpl() override { |
3235 | 394k | return getNextRedeclaration(); |
3236 | 394k | } |
3237 | | |
3238 | 359k | UsingShadowDecl *getPreviousDeclImpl() override { |
3239 | 359k | return getPreviousDecl(); |
3240 | 359k | } |
3241 | | |
3242 | 959k | UsingShadowDecl *getMostRecentDeclImpl() override { |
3243 | 959k | return getMostRecentDecl(); |
3244 | 959k | } |
3245 | | |
3246 | | protected: |
3247 | | UsingShadowDecl(Kind K, ASTContext &C, DeclContext *DC, SourceLocation Loc, |
3248 | | DeclarationName Name, BaseUsingDecl *Introducer, |
3249 | | NamedDecl *Target); |
3250 | | UsingShadowDecl(Kind K, ASTContext &C, EmptyShell); |
3251 | | |
3252 | | public: |
3253 | | friend class ASTDeclReader; |
3254 | | friend class ASTDeclWriter; |
3255 | | |
3256 | | static UsingShadowDecl *Create(ASTContext &C, DeclContext *DC, |
3257 | | SourceLocation Loc, DeclarationName Name, |
3258 | 400k | BaseUsingDecl *Introducer, NamedDecl *Target) { |
3259 | 400k | return new (C, DC) |
3260 | 400k | UsingShadowDecl(UsingShadow, C, DC, Loc, Name, Introducer, Target); |
3261 | 400k | } |
3262 | | |
3263 | | static UsingShadowDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3264 | | |
3265 | | using redecl_range = redeclarable_base::redecl_range; |
3266 | | using redecl_iterator = redeclarable_base::redecl_iterator; |
3267 | | |
3268 | | using redeclarable_base::redecls_begin; |
3269 | | using redeclarable_base::redecls_end; |
3270 | | using redeclarable_base::redecls; |
3271 | | using redeclarable_base::getPreviousDecl; |
3272 | | using redeclarable_base::getMostRecentDecl; |
3273 | | using redeclarable_base::isFirstDecl; |
3274 | | |
3275 | 3.03M | UsingShadowDecl *getCanonicalDecl() override { |
3276 | 3.03M | return getFirstDecl(); |
3277 | 3.03M | } |
3278 | 0 | const UsingShadowDecl *getCanonicalDecl() const { |
3279 | 0 | return getFirstDecl(); |
3280 | 0 | } |
3281 | | |
3282 | | /// Gets the underlying declaration which has been brought into the |
3283 | | /// local scope. |
3284 | 3.68M | NamedDecl *getTargetDecl() const { return Underlying; } |
3285 | | |
3286 | | /// Sets the underlying declaration which has been brought into the |
3287 | | /// local scope. |
3288 | 403k | void setTargetDecl(NamedDecl *ND) { |
3289 | 403k | assert(ND && "Target decl is null!"); |
3290 | 0 | Underlying = ND; |
3291 | | // A UsingShadowDecl is never a friend or local extern declaration, even |
3292 | | // if it is a shadow declaration for one. |
3293 | 403k | IdentifierNamespace = |
3294 | 403k | ND->getIdentifierNamespace() & |
3295 | 403k | ~(IDNS_OrdinaryFriend | IDNS_TagFriend | IDNS_LocalExtern); |
3296 | 403k | } |
3297 | | |
3298 | | /// Gets the (written or instantiated) using declaration that introduced this |
3299 | | /// declaration. |
3300 | | BaseUsingDecl *getIntroducer() const; |
3301 | | |
3302 | | /// The next using shadow declaration contained in the shadow decl |
3303 | | /// chain of the using declaration which introduced this decl. |
3304 | 1.46M | UsingShadowDecl *getNextUsingShadowDecl() const { |
3305 | 1.46M | return dyn_cast_or_null<UsingShadowDecl>(UsingOrNextShadow); |
3306 | 1.46M | } |
3307 | | |
3308 | 315M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3309 | 315M | static bool classofKind(Kind K) { |
3310 | 315M | return K == Decl::UsingShadow || K == Decl::ConstructorUsingShadow310M ; |
3311 | 315M | } |
3312 | | }; |
3313 | | |
3314 | | /// Represents a C++ declaration that introduces decls from somewhere else. It |
3315 | | /// provides a set of the shadow decls so introduced. |
3316 | | |
3317 | | class BaseUsingDecl : public NamedDecl { |
3318 | | /// The first shadow declaration of the shadow decl chain associated |
3319 | | /// with this using declaration. |
3320 | | /// |
3321 | | /// The bool member of the pair is a bool flag a derived type may use |
3322 | | /// (UsingDecl makes use of it). |
3323 | | llvm::PointerIntPair<UsingShadowDecl *, 1, bool> FirstUsingShadow; |
3324 | | |
3325 | | protected: |
3326 | | BaseUsingDecl(Kind DK, DeclContext *DC, SourceLocation L, DeclarationName N) |
3327 | 246k | : NamedDecl(DK, DC, L, N), FirstUsingShadow(nullptr, false) {} |
3328 | | |
3329 | | private: |
3330 | | void anchor() override; |
3331 | | |
3332 | | protected: |
3333 | | /// A bool flag for use by a derived type |
3334 | 24.9k | bool getShadowFlag() const { return FirstUsingShadow.getInt(); } |
3335 | | |
3336 | | /// A bool flag a derived type may set |
3337 | 260k | void setShadowFlag(bool V) { FirstUsingShadow.setInt(V); } |
3338 | | |
3339 | | public: |
3340 | | friend class ASTDeclReader; |
3341 | | friend class ASTDeclWriter; |
3342 | | |
3343 | | /// Iterates through the using shadow declarations associated with |
3344 | | /// this using declaration. |
3345 | | class shadow_iterator { |
3346 | | /// The current using shadow declaration. |
3347 | | UsingShadowDecl *Current = nullptr; |
3348 | | |
3349 | | public: |
3350 | | using value_type = UsingShadowDecl *; |
3351 | | using reference = UsingShadowDecl *; |
3352 | | using pointer = UsingShadowDecl *; |
3353 | | using iterator_category = std::forward_iterator_tag; |
3354 | | using difference_type = std::ptrdiff_t; |
3355 | | |
3356 | 809k | shadow_iterator() = default; |
3357 | 810k | explicit shadow_iterator(UsingShadowDecl *C) : Current(C) {} |
3358 | | |
3359 | 1.36M | reference operator*() const { return Current; } |
3360 | 210 | pointer operator->() const { return Current; } |
3361 | | |
3362 | 1.46M | shadow_iterator &operator++() { |
3363 | 1.46M | Current = Current->getNextUsingShadowDecl(); |
3364 | 1.46M | return *this; |
3365 | 1.46M | } |
3366 | | |
3367 | 0 | shadow_iterator operator++(int) { |
3368 | 0 | shadow_iterator tmp(*this); |
3369 | 0 | ++(*this); |
3370 | 0 | return tmp; |
3371 | 0 | } |
3372 | | |
3373 | 155 | friend bool operator==(shadow_iterator x, shadow_iterator y) { |
3374 | 155 | return x.Current == y.Current; |
3375 | 155 | } |
3376 | 2.67M | friend bool operator!=(shadow_iterator x, shadow_iterator y) { |
3377 | 2.67M | return x.Current != y.Current; |
3378 | 2.67M | } |
3379 | | }; |
3380 | | |
3381 | | using shadow_range = llvm::iterator_range<shadow_iterator>; |
3382 | | |
3383 | 609k | shadow_range shadows() const { |
3384 | 609k | return shadow_range(shadow_begin(), shadow_end()); |
3385 | 609k | } |
3386 | | |
3387 | 810k | shadow_iterator shadow_begin() const { |
3388 | 810k | return shadow_iterator(FirstUsingShadow.getPointer()); |
3389 | 810k | } |
3390 | | |
3391 | 809k | shadow_iterator shadow_end() const { return shadow_iterator(); } |
3392 | | |
3393 | | /// Return the number of shadowed declarations associated with this |
3394 | | /// using declaration. |
3395 | 200k | unsigned shadow_size() const { |
3396 | 200k | return std::distance(shadow_begin(), shadow_end()); |
3397 | 200k | } |
3398 | | |
3399 | | void addShadowDecl(UsingShadowDecl *S); |
3400 | | void removeShadowDecl(UsingShadowDecl *S); |
3401 | | |
3402 | 544k | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3403 | 544k | static bool classofKind(Kind K) { return K == Using || K == UsingEnum191 ; } |
3404 | | }; |
3405 | | |
3406 | | /// Represents a C++ using-declaration. |
3407 | | /// |
3408 | | /// For example: |
3409 | | /// \code |
3410 | | /// using someNameSpace::someIdentifier; |
3411 | | /// \endcode |
3412 | | class UsingDecl : public BaseUsingDecl, public Mergeable<UsingDecl> { |
3413 | | /// The source location of the 'using' keyword itself. |
3414 | | SourceLocation UsingLocation; |
3415 | | |
3416 | | /// The nested-name-specifier that precedes the name. |
3417 | | NestedNameSpecifierLoc QualifierLoc; |
3418 | | |
3419 | | /// Provides source/type location info for the declaration name |
3420 | | /// embedded in the ValueDecl base class. |
3421 | | DeclarationNameLoc DNLoc; |
3422 | | |
3423 | | UsingDecl(DeclContext *DC, SourceLocation UL, |
3424 | | NestedNameSpecifierLoc QualifierLoc, |
3425 | | const DeclarationNameInfo &NameInfo, bool HasTypenameKeyword) |
3426 | | : BaseUsingDecl(Using, DC, NameInfo.getLoc(), NameInfo.getName()), |
3427 | | UsingLocation(UL), QualifierLoc(QualifierLoc), |
3428 | 246k | DNLoc(NameInfo.getInfo()) { |
3429 | 246k | setShadowFlag(HasTypenameKeyword); |
3430 | 246k | } |
3431 | | |
3432 | | void anchor() override; |
3433 | | |
3434 | | public: |
3435 | | friend class ASTDeclReader; |
3436 | | friend class ASTDeclWriter; |
3437 | | |
3438 | | /// Return the source location of the 'using' keyword. |
3439 | 12.4k | SourceLocation getUsingLoc() const { return UsingLocation; } |
3440 | | |
3441 | | /// Set the source location of the 'using' keyword. |
3442 | 13.9k | void setUsingLoc(SourceLocation L) { UsingLocation = L; } |
3443 | | |
3444 | | /// Retrieve the nested-name-specifier that qualifies the name, |
3445 | | /// with source-location information. |
3446 | 18.6k | NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } |
3447 | | |
3448 | | /// Retrieve the nested-name-specifier that qualifies the name. |
3449 | 35.1k | NestedNameSpecifier *getQualifier() const { |
3450 | 35.1k | return QualifierLoc.getNestedNameSpecifier(); |
3451 | 35.1k | } |
3452 | | |
3453 | 18.3k | DeclarationNameInfo getNameInfo() const { |
3454 | 18.3k | return DeclarationNameInfo(getDeclName(), getLocation(), DNLoc); |
3455 | 18.3k | } |
3456 | | |
3457 | | /// Return true if it is a C++03 access declaration (no 'using'). |
3458 | 11.8k | bool isAccessDeclaration() const { return UsingLocation.isInvalid(); } |
3459 | | |
3460 | | /// Return true if the using declaration has 'typename'. |
3461 | 24.9k | bool hasTypename() const { return getShadowFlag(); } |
3462 | | |
3463 | | /// Sets whether the using declaration has 'typename'. |
3464 | 13.9k | void setTypename(bool TN) { setShadowFlag(TN); } |
3465 | | |
3466 | | static UsingDecl *Create(ASTContext &C, DeclContext *DC, |
3467 | | SourceLocation UsingL, |
3468 | | NestedNameSpecifierLoc QualifierLoc, |
3469 | | const DeclarationNameInfo &NameInfo, |
3470 | | bool HasTypenameKeyword); |
3471 | | |
3472 | | static UsingDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3473 | | |
3474 | | SourceRange getSourceRange() const override LLVM_READONLY; |
3475 | | |
3476 | | /// Retrieves the canonical declaration of this declaration. |
3477 | 591k | UsingDecl *getCanonicalDecl() override { |
3478 | 591k | return cast<UsingDecl>(getFirstDecl()); |
3479 | 591k | } |
3480 | 0 | const UsingDecl *getCanonicalDecl() const { |
3481 | 0 | return cast<UsingDecl>(getFirstDecl()); |
3482 | 0 | } |
3483 | | |
3484 | 104M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3485 | 104M | static bool classofKind(Kind K) { return K == Using; } |
3486 | | }; |
3487 | | |
3488 | | /// Represents a shadow constructor declaration introduced into a |
3489 | | /// class by a C++11 using-declaration that names a constructor. |
3490 | | /// |
3491 | | /// For example: |
3492 | | /// \code |
3493 | | /// struct Base { Base(int); }; |
3494 | | /// struct Derived { |
3495 | | /// using Base::Base; // creates a UsingDecl and a ConstructorUsingShadowDecl |
3496 | | /// }; |
3497 | | /// \endcode |
3498 | | class ConstructorUsingShadowDecl final : public UsingShadowDecl { |
3499 | | /// If this constructor using declaration inherted the constructor |
3500 | | /// from an indirect base class, this is the ConstructorUsingShadowDecl |
3501 | | /// in the named direct base class from which the declaration was inherited. |
3502 | | ConstructorUsingShadowDecl *NominatedBaseClassShadowDecl = nullptr; |
3503 | | |
3504 | | /// If this constructor using declaration inherted the constructor |
3505 | | /// from an indirect base class, this is the ConstructorUsingShadowDecl |
3506 | | /// that will be used to construct the unique direct or virtual base class |
3507 | | /// that receives the constructor arguments. |
3508 | | ConstructorUsingShadowDecl *ConstructedBaseClassShadowDecl = nullptr; |
3509 | | |
3510 | | /// \c true if the constructor ultimately named by this using shadow |
3511 | | /// declaration is within a virtual base class subobject of the class that |
3512 | | /// contains this declaration. |
3513 | | unsigned IsVirtual : 1; |
3514 | | |
3515 | | ConstructorUsingShadowDecl(ASTContext &C, DeclContext *DC, SourceLocation Loc, |
3516 | | UsingDecl *Using, NamedDecl *Target, |
3517 | | bool TargetInVirtualBase) |
3518 | | : UsingShadowDecl(ConstructorUsingShadow, C, DC, Loc, |
3519 | | Using->getDeclName(), Using, |
3520 | | Target->getUnderlyingDecl()), |
3521 | | NominatedBaseClassShadowDecl( |
3522 | | dyn_cast<ConstructorUsingShadowDecl>(Target)), |
3523 | | ConstructedBaseClassShadowDecl(NominatedBaseClassShadowDecl), |
3524 | 2.60k | IsVirtual(TargetInVirtualBase) { |
3525 | | // If we found a constructor that chains to a constructor for a virtual |
3526 | | // base, we should directly call that virtual base constructor instead. |
3527 | | // FIXME: This logic belongs in Sema. |
3528 | 2.60k | if (NominatedBaseClassShadowDecl && |
3529 | 2.60k | NominatedBaseClassShadowDecl->constructsVirtualBase()993 ) { |
3530 | 159 | ConstructedBaseClassShadowDecl = |
3531 | 159 | NominatedBaseClassShadowDecl->ConstructedBaseClassShadowDecl; |
3532 | 159 | IsVirtual = true; |
3533 | 159 | } |
3534 | 2.60k | } |
3535 | | |
3536 | | ConstructorUsingShadowDecl(ASTContext &C, EmptyShell Empty) |
3537 | 75 | : UsingShadowDecl(ConstructorUsingShadow, C, Empty), IsVirtual(false) {} |
3538 | | |
3539 | | void anchor() override; |
3540 | | |
3541 | | public: |
3542 | | friend class ASTDeclReader; |
3543 | | friend class ASTDeclWriter; |
3544 | | |
3545 | | static ConstructorUsingShadowDecl *Create(ASTContext &C, DeclContext *DC, |
3546 | | SourceLocation Loc, |
3547 | | UsingDecl *Using, NamedDecl *Target, |
3548 | | bool IsVirtual); |
3549 | | static ConstructorUsingShadowDecl *CreateDeserialized(ASTContext &C, |
3550 | | unsigned ID); |
3551 | | |
3552 | | /// Override the UsingShadowDecl's getIntroducer, returning the UsingDecl that |
3553 | | /// introduced this. |
3554 | 1.10k | UsingDecl *getIntroducer() const { |
3555 | 1.10k | return cast<UsingDecl>(UsingShadowDecl::getIntroducer()); |
3556 | 1.10k | } |
3557 | | |
3558 | | /// Returns the parent of this using shadow declaration, which |
3559 | | /// is the class in which this is declared. |
3560 | | //@{ |
3561 | 0 | const CXXRecordDecl *getParent() const { |
3562 | 0 | return cast<CXXRecordDecl>(getDeclContext()); |
3563 | 0 | } |
3564 | 5.20k | CXXRecordDecl *getParent() { |
3565 | 5.20k | return cast<CXXRecordDecl>(getDeclContext()); |
3566 | 5.20k | } |
3567 | | //@} |
3568 | | |
3569 | | /// Get the inheriting constructor declaration for the direct base |
3570 | | /// class from which this using shadow declaration was inherited, if there is |
3571 | | /// one. This can be different for each redeclaration of the same shadow decl. |
3572 | 1.26k | ConstructorUsingShadowDecl *getNominatedBaseClassShadowDecl() const { |
3573 | 1.26k | return NominatedBaseClassShadowDecl; |
3574 | 1.26k | } |
3575 | | |
3576 | | /// Get the inheriting constructor declaration for the base class |
3577 | | /// for which we don't have an explicit initializer, if there is one. |
3578 | 210 | ConstructorUsingShadowDecl *getConstructedBaseClassShadowDecl() const { |
3579 | 210 | return ConstructedBaseClassShadowDecl; |
3580 | 210 | } |
3581 | | |
3582 | | /// Get the base class that was named in the using declaration. This |
3583 | | /// can be different for each redeclaration of this same shadow decl. |
3584 | | CXXRecordDecl *getNominatedBaseClass() const; |
3585 | | |
3586 | | /// Get the base class whose constructor or constructor shadow |
3587 | | /// declaration is passed the constructor arguments. |
3588 | 1.04k | CXXRecordDecl *getConstructedBaseClass() const { |
3589 | 1.04k | return cast<CXXRecordDecl>((ConstructedBaseClassShadowDecl |
3590 | 1.04k | ? ConstructedBaseClassShadowDecl364 |
3591 | 1.04k | : getTargetDecl()683 ) |
3592 | 1.04k | ->getDeclContext()); |
3593 | 1.04k | } |
3594 | | |
3595 | | /// Returns \c true if the constructed base class is a virtual base |
3596 | | /// class subobject of this declaration's class. |
3597 | 3.54k | bool constructsVirtualBase() const { |
3598 | 3.54k | return IsVirtual; |
3599 | 3.54k | } |
3600 | | |
3601 | 2.64M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3602 | 2.64M | static bool classofKind(Kind K) { return K == ConstructorUsingShadow; } |
3603 | | }; |
3604 | | |
3605 | | /// Represents a C++ using-enum-declaration. |
3606 | | /// |
3607 | | /// For example: |
3608 | | /// \code |
3609 | | /// using enum SomeEnumTag ; |
3610 | | /// \endcode |
3611 | | |
3612 | | class UsingEnumDecl : public BaseUsingDecl, public Mergeable<UsingEnumDecl> { |
3613 | | /// The source location of the 'using' keyword itself. |
3614 | | SourceLocation UsingLocation; |
3615 | | |
3616 | | /// Location of the 'enum' keyword. |
3617 | | SourceLocation EnumLocation; |
3618 | | |
3619 | | /// The enum |
3620 | | EnumDecl *Enum; |
3621 | | |
3622 | | UsingEnumDecl(DeclContext *DC, DeclarationName DN, SourceLocation UL, |
3623 | | SourceLocation EL, SourceLocation NL, EnumDecl *ED) |
3624 | | : BaseUsingDecl(UsingEnum, DC, NL, DN), UsingLocation(UL), |
3625 | 55 | EnumLocation(EL), Enum(ED) {} |
3626 | | |
3627 | | void anchor() override; |
3628 | | |
3629 | | public: |
3630 | | friend class ASTDeclReader; |
3631 | | friend class ASTDeclWriter; |
3632 | | |
3633 | | /// The source location of the 'using' keyword. |
3634 | 16 | SourceLocation getUsingLoc() const { return UsingLocation; } |
3635 | 1 | void setUsingLoc(SourceLocation L) { UsingLocation = L; } |
3636 | | |
3637 | | /// The source location of the 'enum' keyword. |
3638 | 16 | SourceLocation getEnumLoc() const { return EnumLocation; } |
3639 | 1 | void setEnumLoc(SourceLocation L) { EnumLocation = L; } |
3640 | | |
3641 | | public: |
3642 | 36 | EnumDecl *getEnumDecl() const { return Enum; } |
3643 | | |
3644 | | static UsingEnumDecl *Create(ASTContext &C, DeclContext *DC, |
3645 | | SourceLocation UsingL, SourceLocation EnumL, |
3646 | | SourceLocation NameL, EnumDecl *ED); |
3647 | | |
3648 | | static UsingEnumDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3649 | | |
3650 | | SourceRange getSourceRange() const override LLVM_READONLY; |
3651 | | |
3652 | | /// Retrieves the canonical declaration of this declaration. |
3653 | 149 | UsingEnumDecl *getCanonicalDecl() override { |
3654 | 149 | return cast<UsingEnumDecl>(getFirstDecl()); |
3655 | 149 | } |
3656 | 0 | const UsingEnumDecl *getCanonicalDecl() const { |
3657 | 0 | return cast<UsingEnumDecl>(getFirstDecl()); |
3658 | 0 | } |
3659 | | |
3660 | 22.0k | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3661 | 22.0k | static bool classofKind(Kind K) { return K == UsingEnum; } |
3662 | | }; |
3663 | | |
3664 | | /// Represents a pack of using declarations that a single |
3665 | | /// using-declarator pack-expanded into. |
3666 | | /// |
3667 | | /// \code |
3668 | | /// template<typename ...T> struct X : T... { |
3669 | | /// using T::operator()...; |
3670 | | /// using T::operator T...; |
3671 | | /// }; |
3672 | | /// \endcode |
3673 | | /// |
3674 | | /// In the second case above, the UsingPackDecl will have the name |
3675 | | /// 'operator T' (which contains an unexpanded pack), but the individual |
3676 | | /// UsingDecls and UsingShadowDecls will have more reasonable names. |
3677 | | class UsingPackDecl final |
3678 | | : public NamedDecl, public Mergeable<UsingPackDecl>, |
3679 | | private llvm::TrailingObjects<UsingPackDecl, NamedDecl *> { |
3680 | | /// The UnresolvedUsingValueDecl or UnresolvedUsingTypenameDecl from |
3681 | | /// which this waas instantiated. |
3682 | | NamedDecl *InstantiatedFrom; |
3683 | | |
3684 | | /// The number of using-declarations created by this pack expansion. |
3685 | | unsigned NumExpansions; |
3686 | | |
3687 | | UsingPackDecl(DeclContext *DC, NamedDecl *InstantiatedFrom, |
3688 | | ArrayRef<NamedDecl *> UsingDecls) |
3689 | | : NamedDecl(UsingPack, DC, |
3690 | | InstantiatedFrom ? InstantiatedFrom->getLocation() |
3691 | | : SourceLocation(), |
3692 | | InstantiatedFrom ? InstantiatedFrom->getDeclName() |
3693 | | : DeclarationName()), |
3694 | 88 | InstantiatedFrom(InstantiatedFrom), NumExpansions(UsingDecls.size()) { |
3695 | 88 | std::uninitialized_copy(UsingDecls.begin(), UsingDecls.end(), |
3696 | 88 | getTrailingObjects<NamedDecl *>()); |
3697 | 88 | } |
3698 | | |
3699 | | void anchor() override; |
3700 | | |
3701 | | public: |
3702 | | friend class ASTDeclReader; |
3703 | | friend class ASTDeclWriter; |
3704 | | friend TrailingObjects; |
3705 | | |
3706 | | /// Get the using declaration from which this was instantiated. This will |
3707 | | /// always be an UnresolvedUsingValueDecl or an UnresolvedUsingTypenameDecl |
3708 | | /// that is a pack expansion. |
3709 | 50 | NamedDecl *getInstantiatedFromUsingDecl() const { return InstantiatedFrom; } |
3710 | | |
3711 | | /// Get the set of using declarations that this pack expanded into. Note that |
3712 | | /// some of these may still be unresolved. |
3713 | 81 | ArrayRef<NamedDecl *> expansions() const { |
3714 | 81 | return llvm::makeArrayRef(getTrailingObjects<NamedDecl *>(), NumExpansions); |
3715 | 81 | } |
3716 | | |
3717 | | static UsingPackDecl *Create(ASTContext &C, DeclContext *DC, |
3718 | | NamedDecl *InstantiatedFrom, |
3719 | | ArrayRef<NamedDecl *> UsingDecls); |
3720 | | |
3721 | | static UsingPackDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
3722 | | unsigned NumExpansions); |
3723 | | |
3724 | 0 | SourceRange getSourceRange() const override LLVM_READONLY { |
3725 | 0 | return InstantiatedFrom->getSourceRange(); |
3726 | 0 | } |
3727 | | |
3728 | 64 | UsingPackDecl *getCanonicalDecl() override { return getFirstDecl(); } |
3729 | 0 | const UsingPackDecl *getCanonicalDecl() const { return getFirstDecl(); } |
3730 | | |
3731 | 1.23M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3732 | 1.23M | static bool classofKind(Kind K) { return K == UsingPack; } |
3733 | | }; |
3734 | | |
3735 | | /// Represents a dependent using declaration which was not marked with |
3736 | | /// \c typename. |
3737 | | /// |
3738 | | /// Unlike non-dependent using declarations, these *only* bring through |
3739 | | /// non-types; otherwise they would break two-phase lookup. |
3740 | | /// |
3741 | | /// \code |
3742 | | /// template \<class T> class A : public Base<T> { |
3743 | | /// using Base<T>::foo; |
3744 | | /// }; |
3745 | | /// \endcode |
3746 | | class UnresolvedUsingValueDecl : public ValueDecl, |
3747 | | public Mergeable<UnresolvedUsingValueDecl> { |
3748 | | /// The source location of the 'using' keyword |
3749 | | SourceLocation UsingLocation; |
3750 | | |
3751 | | /// If this is a pack expansion, the location of the '...'. |
3752 | | SourceLocation EllipsisLoc; |
3753 | | |
3754 | | /// The nested-name-specifier that precedes the name. |
3755 | | NestedNameSpecifierLoc QualifierLoc; |
3756 | | |
3757 | | /// Provides source/type location info for the declaration name |
3758 | | /// embedded in the ValueDecl base class. |
3759 | | DeclarationNameLoc DNLoc; |
3760 | | |
3761 | | UnresolvedUsingValueDecl(DeclContext *DC, QualType Ty, |
3762 | | SourceLocation UsingLoc, |
3763 | | NestedNameSpecifierLoc QualifierLoc, |
3764 | | const DeclarationNameInfo &NameInfo, |
3765 | | SourceLocation EllipsisLoc) |
3766 | | : ValueDecl(UnresolvedUsingValue, DC, |
3767 | | NameInfo.getLoc(), NameInfo.getName(), Ty), |
3768 | | UsingLocation(UsingLoc), EllipsisLoc(EllipsisLoc), |
3769 | 1.52k | QualifierLoc(QualifierLoc), DNLoc(NameInfo.getInfo()) {} |
3770 | | |
3771 | | void anchor() override; |
3772 | | |
3773 | | public: |
3774 | | friend class ASTDeclReader; |
3775 | | friend class ASTDeclWriter; |
3776 | | |
3777 | | /// Returns the source location of the 'using' keyword. |
3778 | 1.02k | SourceLocation getUsingLoc() const { return UsingLocation; } |
3779 | | |
3780 | | /// Set the source location of the 'using' keyword. |
3781 | 86 | void setUsingLoc(SourceLocation L) { UsingLocation = L; } |
3782 | | |
3783 | | /// Return true if it is a C++03 access declaration (no 'using'). |
3784 | 136 | bool isAccessDeclaration() const { return UsingLocation.isInvalid(); } |
3785 | | |
3786 | | /// Retrieve the nested-name-specifier that qualifies the name, |
3787 | | /// with source-location information. |
3788 | 2.52k | NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } |
3789 | | |
3790 | | /// Retrieve the nested-name-specifier that qualifies the name. |
3791 | 488 | NestedNameSpecifier *getQualifier() const { |
3792 | 488 | return QualifierLoc.getNestedNameSpecifier(); |
3793 | 488 | } |
3794 | | |
3795 | 2.31k | DeclarationNameInfo getNameInfo() const { |
3796 | 2.31k | return DeclarationNameInfo(getDeclName(), getLocation(), DNLoc); |
3797 | 2.31k | } |
3798 | | |
3799 | | /// Determine whether this is a pack expansion. |
3800 | 933 | bool isPackExpansion() const { |
3801 | 933 | return EllipsisLoc.isValid(); |
3802 | 933 | } |
3803 | | |
3804 | | /// Get the location of the ellipsis if this is a pack expansion. |
3805 | 1.70k | SourceLocation getEllipsisLoc() const { |
3806 | 1.70k | return EllipsisLoc; |
3807 | 1.70k | } |
3808 | | |
3809 | | static UnresolvedUsingValueDecl * |
3810 | | Create(ASTContext &C, DeclContext *DC, SourceLocation UsingLoc, |
3811 | | NestedNameSpecifierLoc QualifierLoc, |
3812 | | const DeclarationNameInfo &NameInfo, SourceLocation EllipsisLoc); |
3813 | | |
3814 | | static UnresolvedUsingValueDecl * |
3815 | | CreateDeserialized(ASTContext &C, unsigned ID); |
3816 | | |
3817 | | SourceRange getSourceRange() const override LLVM_READONLY; |
3818 | | |
3819 | | /// Retrieves the canonical declaration of this declaration. |
3820 | 3.86k | UnresolvedUsingValueDecl *getCanonicalDecl() override { |
3821 | 3.86k | return getFirstDecl(); |
3822 | 3.86k | } |
3823 | 0 | const UnresolvedUsingValueDecl *getCanonicalDecl() const { |
3824 | 0 | return getFirstDecl(); |
3825 | 0 | } |
3826 | | |
3827 | 413M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3828 | 413M | static bool classofKind(Kind K) { return K == UnresolvedUsingValue; } |
3829 | | }; |
3830 | | |
3831 | | /// Represents a dependent using declaration which was marked with |
3832 | | /// \c typename. |
3833 | | /// |
3834 | | /// \code |
3835 | | /// template \<class T> class A : public Base<T> { |
3836 | | /// using typename Base<T>::foo; |
3837 | | /// }; |
3838 | | /// \endcode |
3839 | | /// |
3840 | | /// The type associated with an unresolved using typename decl is |
3841 | | /// currently always a typename type. |
3842 | | class UnresolvedUsingTypenameDecl |
3843 | | : public TypeDecl, |
3844 | | public Mergeable<UnresolvedUsingTypenameDecl> { |
3845 | | friend class ASTDeclReader; |
3846 | | |
3847 | | /// The source location of the 'typename' keyword |
3848 | | SourceLocation TypenameLocation; |
3849 | | |
3850 | | /// If this is a pack expansion, the location of the '...'. |
3851 | | SourceLocation EllipsisLoc; |
3852 | | |
3853 | | /// The nested-name-specifier that precedes the name. |
3854 | | NestedNameSpecifierLoc QualifierLoc; |
3855 | | |
3856 | | UnresolvedUsingTypenameDecl(DeclContext *DC, SourceLocation UsingLoc, |
3857 | | SourceLocation TypenameLoc, |
3858 | | NestedNameSpecifierLoc QualifierLoc, |
3859 | | SourceLocation TargetNameLoc, |
3860 | | IdentifierInfo *TargetName, |
3861 | | SourceLocation EllipsisLoc) |
3862 | | : TypeDecl(UnresolvedUsingTypename, DC, TargetNameLoc, TargetName, |
3863 | | UsingLoc), |
3864 | | TypenameLocation(TypenameLoc), EllipsisLoc(EllipsisLoc), |
3865 | 1.24k | QualifierLoc(QualifierLoc) {} |
3866 | | |
3867 | | void anchor() override; |
3868 | | |
3869 | | public: |
3870 | | /// Returns the source location of the 'using' keyword. |
3871 | 1.02k | SourceLocation getUsingLoc() const { return getBeginLoc(); } |
3872 | | |
3873 | | /// Returns the source location of the 'typename' keyword. |
3874 | 1.13k | SourceLocation getTypenameLoc() const { return TypenameLocation; } |
3875 | | |
3876 | | /// Retrieve the nested-name-specifier that qualifies the name, |
3877 | | /// with source-location information. |
3878 | 1.25k | NestedNameSpecifierLoc getQualifierLoc() const { return QualifierLoc; } |
3879 | | |
3880 | | /// Retrieve the nested-name-specifier that qualifies the name. |
3881 | 50 | NestedNameSpecifier *getQualifier() const { |
3882 | 50 | return QualifierLoc.getNestedNameSpecifier(); |
3883 | 50 | } |
3884 | | |
3885 | 763 | DeclarationNameInfo getNameInfo() const { |
3886 | 763 | return DeclarationNameInfo(getDeclName(), getLocation()); |
3887 | 763 | } |
3888 | | |
3889 | | /// Determine whether this is a pack expansion. |
3890 | 960 | bool isPackExpansion() const { |
3891 | 960 | return EllipsisLoc.isValid(); |
3892 | 960 | } |
3893 | | |
3894 | | /// Get the location of the ellipsis if this is a pack expansion. |
3895 | 1.87k | SourceLocation getEllipsisLoc() const { |
3896 | 1.87k | return EllipsisLoc; |
3897 | 1.87k | } |
3898 | | |
3899 | | static UnresolvedUsingTypenameDecl * |
3900 | | Create(ASTContext &C, DeclContext *DC, SourceLocation UsingLoc, |
3901 | | SourceLocation TypenameLoc, NestedNameSpecifierLoc QualifierLoc, |
3902 | | SourceLocation TargetNameLoc, DeclarationName TargetName, |
3903 | | SourceLocation EllipsisLoc); |
3904 | | |
3905 | | static UnresolvedUsingTypenameDecl * |
3906 | | CreateDeserialized(ASTContext &C, unsigned ID); |
3907 | | |
3908 | | /// Retrieves the canonical declaration of this declaration. |
3909 | 3.96k | UnresolvedUsingTypenameDecl *getCanonicalDecl() override { |
3910 | 3.96k | return getFirstDecl(); |
3911 | 3.96k | } |
3912 | 1.09k | const UnresolvedUsingTypenameDecl *getCanonicalDecl() const { |
3913 | 1.09k | return getFirstDecl(); |
3914 | 1.09k | } |
3915 | | |
3916 | 9.59M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3917 | 9.59M | static bool classofKind(Kind K) { return K == UnresolvedUsingTypename; } |
3918 | | }; |
3919 | | |
3920 | | /// This node is generated when a using-declaration that was annotated with |
3921 | | /// __attribute__((using_if_exists)) failed to resolve to a known declaration. |
3922 | | /// In that case, Sema builds a UsingShadowDecl whose target is an instance of |
3923 | | /// this declaration, adding it to the current scope. Referring to this |
3924 | | /// declaration in any way is an error. |
3925 | | class UnresolvedUsingIfExistsDecl final : public NamedDecl { |
3926 | | UnresolvedUsingIfExistsDecl(DeclContext *DC, SourceLocation Loc, |
3927 | | DeclarationName Name); |
3928 | | |
3929 | | void anchor() override; |
3930 | | |
3931 | | public: |
3932 | | static UnresolvedUsingIfExistsDecl *Create(ASTContext &Ctx, DeclContext *DC, |
3933 | | SourceLocation Loc, |
3934 | | DeclarationName Name); |
3935 | | static UnresolvedUsingIfExistsDecl *CreateDeserialized(ASTContext &Ctx, |
3936 | | unsigned ID); |
3937 | | |
3938 | 131M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3939 | 131M | static bool classofKind(Kind K) { return K == Decl::UnresolvedUsingIfExists; } |
3940 | | }; |
3941 | | |
3942 | | /// Represents a C++11 static_assert declaration. |
3943 | | class StaticAssertDecl : public Decl { |
3944 | | llvm::PointerIntPair<Expr *, 1, bool> AssertExprAndFailed; |
3945 | | StringLiteral *Message; |
3946 | | SourceLocation RParenLoc; |
3947 | | |
3948 | | StaticAssertDecl(DeclContext *DC, SourceLocation StaticAssertLoc, |
3949 | | Expr *AssertExpr, StringLiteral *Message, |
3950 | | SourceLocation RParenLoc, bool Failed) |
3951 | | : Decl(StaticAssert, DC, StaticAssertLoc), |
3952 | | AssertExprAndFailed(AssertExpr, Failed), Message(Message), |
3953 | 161k | RParenLoc(RParenLoc) {} |
3954 | | |
3955 | | virtual void anchor(); |
3956 | | |
3957 | | public: |
3958 | | friend class ASTDeclReader; |
3959 | | |
3960 | | static StaticAssertDecl *Create(ASTContext &C, DeclContext *DC, |
3961 | | SourceLocation StaticAssertLoc, |
3962 | | Expr *AssertExpr, StringLiteral *Message, |
3963 | | SourceLocation RParenLoc, bool Failed); |
3964 | | static StaticAssertDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3965 | | |
3966 | 80.7k | Expr *getAssertExpr() { return AssertExprAndFailed.getPointer(); } |
3967 | 3.00k | const Expr *getAssertExpr() const { return AssertExprAndFailed.getPointer(); } |
3968 | | |
3969 | 80.7k | StringLiteral *getMessage() { return Message; } |
3970 | 3.00k | const StringLiteral *getMessage() const { return Message; } |
3971 | | |
3972 | 119k | bool isFailed() const { return AssertExprAndFailed.getInt(); } |
3973 | | |
3974 | 75.7k | SourceLocation getRParenLoc() const { return RParenLoc; } |
3975 | | |
3976 | 67 | SourceRange getSourceRange() const override LLVM_READONLY { |
3977 | 67 | return SourceRange(getLocation(), getRParenLoc()); |
3978 | 67 | } |
3979 | | |
3980 | 57.0M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3981 | 57.0M | static bool classofKind(Kind K) { return K == StaticAssert; } |
3982 | | }; |
3983 | | |
3984 | | /// A binding in a decomposition declaration. For instance, given: |
3985 | | /// |
3986 | | /// int n[3]; |
3987 | | /// auto &[a, b, c] = n; |
3988 | | /// |
3989 | | /// a, b, and c are BindingDecls, whose bindings are the expressions |
3990 | | /// x[0], x[1], and x[2] respectively, where x is the implicit |
3991 | | /// DecompositionDecl of type 'int (&)[3]'. |
3992 | | class BindingDecl : public ValueDecl { |
3993 | | /// The declaration that this binding binds to part of. |
3994 | | ValueDecl *Decomp; |
3995 | | /// The binding represented by this declaration. References to this |
3996 | | /// declaration are effectively equivalent to this expression (except |
3997 | | /// that it is only evaluated once at the point of declaration of the |
3998 | | /// binding). |
3999 | | Expr *Binding = nullptr; |
4000 | | |
4001 | | BindingDecl(DeclContext *DC, SourceLocation IdLoc, IdentifierInfo *Id) |
4002 | 1.06k | : ValueDecl(Decl::Binding, DC, IdLoc, Id, QualType()) {} |
4003 | | |
4004 | | void anchor() override; |
4005 | | |
4006 | | public: |
4007 | | friend class ASTDeclReader; |
4008 | | |
4009 | | static BindingDecl *Create(ASTContext &C, DeclContext *DC, |
4010 | | SourceLocation IdLoc, IdentifierInfo *Id); |
4011 | | static BindingDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
4012 | | |
4013 | | /// Get the expression to which this declaration is bound. This may be null |
4014 | | /// in two different cases: while parsing the initializer for the |
4015 | | /// decomposition declaration, and when the initializer is type-dependent. |
4016 | 6.16k | Expr *getBinding() const { return Binding; } |
4017 | | |
4018 | | /// Get the decomposition declaration that this binding represents a |
4019 | | /// decomposition of. |
4020 | 214 | ValueDecl *getDecomposedDecl() const { return Decomp; } |
4021 | | |
4022 | | /// Get the variable (if any) that holds the value of evaluating the binding. |
4023 | | /// Only present for user-defined bindings for tuple-like types. |
4024 | | VarDecl *getHoldingVar() const; |
4025 | | |
4026 | | /// Set the binding for this BindingDecl, along with its declared type (which |
4027 | | /// should be a possibly-cv-qualified form of the type of the binding, or a |
4028 | | /// reference to such a type). |
4029 | 893 | void setBinding(QualType DeclaredType, Expr *Binding) { |
4030 | 893 | setType(DeclaredType); |
4031 | 893 | this->Binding = Binding; |
4032 | 893 | } |
4033 | | |
4034 | | /// Set the decomposed variable for this BindingDecl. |
4035 | 1.09k | void setDecomposedDecl(ValueDecl *Decomposed) { Decomp = Decomposed; } |
4036 | | |
4037 | 26.4M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4038 | 26.4M | static bool classofKind(Kind K) { return K == Decl::Binding; } |
4039 | | }; |
4040 | | |
4041 | | /// A decomposition declaration. For instance, given: |
4042 | | /// |
4043 | | /// int n[3]; |
4044 | | /// auto &[a, b, c] = n; |
4045 | | /// |
4046 | | /// the second line declares a DecompositionDecl of type 'int (&)[3]', and |
4047 | | /// three BindingDecls (named a, b, and c). An instance of this class is always |
4048 | | /// unnamed, but behaves in almost all other respects like a VarDecl. |
4049 | | class DecompositionDecl final |
4050 | | : public VarDecl, |
4051 | | private llvm::TrailingObjects<DecompositionDecl, BindingDecl *> { |
4052 | | /// The number of BindingDecl*s following this object. |
4053 | | unsigned NumBindings; |
4054 | | |
4055 | | DecompositionDecl(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
4056 | | SourceLocation LSquareLoc, QualType T, |
4057 | | TypeSourceInfo *TInfo, StorageClass SC, |
4058 | | ArrayRef<BindingDecl *> Bindings) |
4059 | | : VarDecl(Decomposition, C, DC, StartLoc, LSquareLoc, nullptr, T, TInfo, |
4060 | | SC), |
4061 | 525 | NumBindings(Bindings.size()) { |
4062 | 525 | std::uninitialized_copy(Bindings.begin(), Bindings.end(), |
4063 | 525 | getTrailingObjects<BindingDecl *>()); |
4064 | 525 | for (auto *B : Bindings) |
4065 | 1.04k | B->setDecomposedDecl(this); |
4066 | 525 | } |
4067 | | |
4068 | | void anchor() override; |
4069 | | |
4070 | | public: |
4071 | | friend class ASTDeclReader; |
4072 | | friend TrailingObjects; |
4073 | | |
4074 | | static DecompositionDecl *Create(ASTContext &C, DeclContext *DC, |
4075 | | SourceLocation StartLoc, |
4076 | | SourceLocation LSquareLoc, |
4077 | | QualType T, TypeSourceInfo *TInfo, |
4078 | | StorageClass S, |
4079 | | ArrayRef<BindingDecl *> Bindings); |
4080 | | static DecompositionDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
4081 | | unsigned NumBindings); |
4082 | | |
4083 | 2.52k | ArrayRef<BindingDecl *> bindings() const { |
4084 | 2.52k | return llvm::makeArrayRef(getTrailingObjects<BindingDecl *>(), NumBindings); |
4085 | 2.52k | } |
4086 | | |
4087 | | void printName(raw_ostream &os) const override; |
4088 | | |
4089 | 125M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4090 | 125M | static bool classofKind(Kind K) { return K == Decomposition; } |
4091 | | }; |
4092 | | |
4093 | | /// An instance of this class represents the declaration of a property |
4094 | | /// member. This is a Microsoft extension to C++, first introduced in |
4095 | | /// Visual Studio .NET 2003 as a parallel to similar features in C# |
4096 | | /// and Managed C++. |
4097 | | /// |
4098 | | /// A property must always be a non-static class member. |
4099 | | /// |
4100 | | /// A property member superficially resembles a non-static data |
4101 | | /// member, except preceded by a property attribute: |
4102 | | /// __declspec(property(get=GetX, put=PutX)) int x; |
4103 | | /// Either (but not both) of the 'get' and 'put' names may be omitted. |
4104 | | /// |
4105 | | /// A reference to a property is always an lvalue. If the lvalue |
4106 | | /// undergoes lvalue-to-rvalue conversion, then a getter name is |
4107 | | /// required, and that member is called with no arguments. |
4108 | | /// If the lvalue is assigned into, then a setter name is required, |
4109 | | /// and that member is called with one argument, the value assigned. |
4110 | | /// Both operations are potentially overloaded. Compound assignments |
4111 | | /// are permitted, as are the increment and decrement operators. |
4112 | | /// |
4113 | | /// The getter and putter methods are permitted to be overloaded, |
4114 | | /// although their return and parameter types are subject to certain |
4115 | | /// restrictions according to the type of the property. |
4116 | | /// |
4117 | | /// A property declared using an incomplete array type may |
4118 | | /// additionally be subscripted, adding extra parameters to the getter |
4119 | | /// and putter methods. |
4120 | | class MSPropertyDecl : public DeclaratorDecl { |
4121 | | IdentifierInfo *GetterId, *SetterId; |
4122 | | |
4123 | | MSPropertyDecl(DeclContext *DC, SourceLocation L, DeclarationName N, |
4124 | | QualType T, TypeSourceInfo *TInfo, SourceLocation StartL, |
4125 | | IdentifierInfo *Getter, IdentifierInfo *Setter) |
4126 | | : DeclaratorDecl(MSProperty, DC, L, N, T, TInfo, StartL), |
4127 | 136 | GetterId(Getter), SetterId(Setter) {} |
4128 | | |
4129 | | void anchor() override; |
4130 | | public: |
4131 | | friend class ASTDeclReader; |
4132 | | |
4133 | | static MSPropertyDecl *Create(ASTContext &C, DeclContext *DC, |
4134 | | SourceLocation L, DeclarationName N, QualType T, |
4135 | | TypeSourceInfo *TInfo, SourceLocation StartL, |
4136 | | IdentifierInfo *Getter, IdentifierInfo *Setter); |
4137 | | static MSPropertyDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
4138 | | |
4139 | 6.96M | static bool classof(const Decl *D) { return D->getKind() == MSProperty; } |
4140 | | |
4141 | 177 | bool hasGetter() const { return GetterId != nullptr; } |
4142 | 214 | IdentifierInfo* getGetterId() const { return GetterId; } |
4143 | 100 | bool hasSetter() const { return SetterId != nullptr; } |
4144 | 124 | IdentifierInfo* getSetterId() const { return SetterId; } |
4145 | | }; |
4146 | | |
4147 | | /// Parts of a decomposed MSGuidDecl. Factored out to avoid unnecessary |
4148 | | /// dependencies on DeclCXX.h. |
4149 | | struct MSGuidDeclParts { |
4150 | | /// {01234567-... |
4151 | | uint32_t Part1; |
4152 | | /// ...-89ab-... |
4153 | | uint16_t Part2; |
4154 | | /// ...-cdef-... |
4155 | | uint16_t Part3; |
4156 | | /// ...-0123-456789abcdef} |
4157 | | uint8_t Part4And5[8]; |
4158 | | |
4159 | 234 | uint64_t getPart4And5AsUint64() const { |
4160 | 234 | uint64_t Val; |
4161 | 234 | memcpy(&Val, &Part4And5, sizeof(Part4And5)); |
4162 | 234 | return Val; |
4163 | 234 | } |
4164 | | }; |
4165 | | |
4166 | | /// A global _GUID constant. These are implicitly created by UuidAttrs. |
4167 | | /// |
4168 | | /// struct _declspec(uuid("01234567-89ab-cdef-0123-456789abcdef")) X{}; |
4169 | | /// |
4170 | | /// X is a CXXRecordDecl that contains a UuidAttr that references the (unique) |
4171 | | /// MSGuidDecl for the specified UUID. |
4172 | | class MSGuidDecl : public ValueDecl, |
4173 | | public Mergeable<MSGuidDecl>, |
4174 | | public llvm::FoldingSetNode { |
4175 | | public: |
4176 | | using Parts = MSGuidDeclParts; |
4177 | | |
4178 | | private: |
4179 | | /// The decomposed form of the UUID. |
4180 | | Parts PartVal; |
4181 | | |
4182 | | /// The resolved value of the UUID as an APValue. Computed on demand and |
4183 | | /// cached. |
4184 | | mutable APValue APVal; |
4185 | | |
4186 | | void anchor() override; |
4187 | | |
4188 | | MSGuidDecl(DeclContext *DC, QualType T, Parts P); |
4189 | | |
4190 | | static MSGuidDecl *Create(const ASTContext &C, QualType T, Parts P); |
4191 | | static MSGuidDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
4192 | | |
4193 | | // Only ASTContext::getMSGuidDecl and deserialization create these. |
4194 | | friend class ASTContext; |
4195 | | friend class ASTReader; |
4196 | | friend class ASTDeclReader; |
4197 | | |
4198 | | public: |
4199 | | /// Print this UUID in a human-readable format. |
4200 | | void printName(llvm::raw_ostream &OS) const override; |
4201 | | |
4202 | | /// Get the decomposed parts of this declaration. |
4203 | 84 | Parts getParts() const { return PartVal; } |
4204 | | |
4205 | | /// Get the value of this MSGuidDecl as an APValue. This may fail and return |
4206 | | /// an absent APValue if the type of the declaration is not of the expected |
4207 | | /// shape. |
4208 | | APValue &getAsAPValue() const; |
4209 | | |
4210 | 234 | static void Profile(llvm::FoldingSetNodeID &ID, Parts P) { |
4211 | 234 | ID.AddInteger(P.Part1); |
4212 | 234 | ID.AddInteger(P.Part2); |
4213 | 234 | ID.AddInteger(P.Part3); |
4214 | 234 | ID.AddInteger(P.getPart4And5AsUint64()); |
4215 | 234 | } |
4216 | 85 | void Profile(llvm::FoldingSetNodeID &ID) { Profile(ID, PartVal); } |
4217 | | |
4218 | 26.9M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4219 | 26.9M | static bool classofKind(Kind K) { return K == Decl::MSGuid; } |
4220 | | }; |
4221 | | |
4222 | | /// An artificial decl, representing a global anonymous constant value which is |
4223 | | /// uniquified by value within a translation unit. |
4224 | | /// |
4225 | | /// These is currently only used to back the LValue returned by |
4226 | | /// __builtin_source_location, but could potentially be used for other similar |
4227 | | /// situations in the future. |
4228 | | class UnnamedGlobalConstantDecl : public ValueDecl, |
4229 | | public Mergeable<UnnamedGlobalConstantDecl>, |
4230 | | public llvm::FoldingSetNode { |
4231 | | |
4232 | | // The constant value of this global. |
4233 | | APValue Value; |
4234 | | |
4235 | | void anchor() override; |
4236 | | |
4237 | | UnnamedGlobalConstantDecl(const ASTContext &C, DeclContext *DC, QualType T, |
4238 | | const APValue &Val); |
4239 | | |
4240 | | static UnnamedGlobalConstantDecl *Create(const ASTContext &C, QualType T, |
4241 | | const APValue &APVal); |
4242 | | static UnnamedGlobalConstantDecl *CreateDeserialized(ASTContext &C, |
4243 | | unsigned ID); |
4244 | | |
4245 | | // Only ASTContext::getUnnamedGlobalConstantDecl and deserialization create |
4246 | | // these. |
4247 | | friend class ASTContext; |
4248 | | friend class ASTReader; |
4249 | | friend class ASTDeclReader; |
4250 | | |
4251 | | public: |
4252 | | /// Print this in a human-readable format. |
4253 | | void printName(llvm::raw_ostream &OS) const override; |
4254 | | |
4255 | 179 | const APValue &getValue() const { return Value; } |
4256 | | |
4257 | | static void Profile(llvm::FoldingSetNodeID &ID, QualType Ty, |
4258 | 201 | const APValue &APVal) { |
4259 | 201 | Ty.Profile(ID); |
4260 | 201 | APVal.Profile(ID); |
4261 | 201 | } |
4262 | 72 | void Profile(llvm::FoldingSetNodeID &ID) { |
4263 | 72 | Profile(ID, getType(), getValue()); |
4264 | 72 | } |
4265 | | |
4266 | 16.5M | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4267 | 16.5M | static bool classofKind(Kind K) { return K == Decl::UnnamedGlobalConstant; } |
4268 | | }; |
4269 | | |
4270 | | /// Insertion operator for diagnostics. This allows sending an AccessSpecifier |
4271 | | /// into a diagnostic with <<. |
4272 | | const StreamingDiagnostic &operator<<(const StreamingDiagnostic &DB, |
4273 | | AccessSpecifier AS); |
4274 | | |
4275 | | } // namespace clang |
4276 | | |
4277 | | #endif // LLVM_CLANG_AST_DECLCXX_H |