Coverage Report

Created: 2023-11-11 10:31

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/AST/TemplateName.h
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Count
Source (jump to first uncovered line)
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//===- TemplateName.h - C++ Template Name Representation --------*- C++ -*-===//
2
//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
5
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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//  This file defines the TemplateName interface and subclasses.
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//
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//===----------------------------------------------------------------------===//
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13
#ifndef LLVM_CLANG_AST_TEMPLATENAME_H
14
#define LLVM_CLANG_AST_TEMPLATENAME_H
15
16
#include "clang/AST/DependenceFlags.h"
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#include "clang/AST/NestedNameSpecifier.h"
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#include "clang/Basic/LLVM.h"
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#include "llvm/ADT/FoldingSet.h"
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#include "llvm/ADT/PointerIntPair.h"
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#include "llvm/ADT/PointerUnion.h"
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#include "llvm/Support/PointerLikeTypeTraits.h"
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#include <cassert>
24
#include <optional>
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26
namespace clang {
27
28
class ASTContext;
29
class Decl;
30
class DependentTemplateName;
31
class IdentifierInfo;
32
class NamedDecl;
33
class NestedNameSpecifier;
34
enum OverloadedOperatorKind : int;
35
class OverloadedTemplateStorage;
36
class AssumedTemplateStorage;
37
struct PrintingPolicy;
38
class QualifiedTemplateName;
39
class SubstTemplateTemplateParmPackStorage;
40
class SubstTemplateTemplateParmStorage;
41
class TemplateArgument;
42
class TemplateDecl;
43
class TemplateTemplateParmDecl;
44
class UsingShadowDecl;
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46
/// Implementation class used to describe either a set of overloaded
47
/// template names or an already-substituted template template parameter pack.
48
class UncommonTemplateNameStorage {
49
protected:
50
  enum Kind {
51
    Overloaded,
52
    Assumed, // defined in DeclarationName.h
53
    SubstTemplateTemplateParm,
54
    SubstTemplateTemplateParmPack
55
  };
56
57
  struct BitsTag {
58
    LLVM_PREFERRED_TYPE(Kind)
59
    unsigned Kind : 2;
60
61
    // The template parameter index.
62
    unsigned Index : 15;
63
64
    /// The pack index, or the number of stored templates
65
    /// or template arguments, depending on which subclass we have.
66
    unsigned Data : 15;
67
  };
68
69
  union {
70
    struct BitsTag Bits;
71
    void *PointerAlignment;
72
  };
73
74
178k
  UncommonTemplateNameStorage(Kind Kind, unsigned Index, unsigned Data) {
75
178k
    Bits.Kind = Kind;
76
178k
    Bits.Index = Index;
77
178k
    Bits.Data = Data;
78
178k
  }
79
80
public:
81
417k
  OverloadedTemplateStorage *getAsOverloadedStorage()  {
82
417k
    return Bits.Kind == Overloaded
83
417k
             ? 
reinterpret_cast<OverloadedTemplateStorage *>(this)324k
84
417k
             : 
nullptr93.4k
;
85
417k
  }
86
87
114k
  AssumedTemplateStorage *getAsAssumedTemplateName()  {
88
114k
    return Bits.Kind == Assumed
89
114k
             ? 
reinterpret_cast<AssumedTemplateStorage *>(this)488
90
114k
             : 
nullptr113k
;
91
114k
  }
92
93
212k
  SubstTemplateTemplateParmStorage *getAsSubstTemplateTemplateParm() {
94
212k
    return Bits.Kind == SubstTemplateTemplateParm
95
212k
             ? 
reinterpret_cast<SubstTemplateTemplateParmStorage *>(this)212k
96
212k
             : 
nullptr78
;
97
212k
  }
98
99
245
  SubstTemplateTemplateParmPackStorage *getAsSubstTemplateTemplateParmPack() {
100
245
    return Bits.Kind == SubstTemplateTemplateParmPack
101
245
             ? 
reinterpret_cast<SubstTemplateTemplateParmPackStorage *>(this)10
102
245
             : 
nullptr235
;
103
245
  }
104
};
105
106
/// A structure for storing the information associated with an
107
/// overloaded template name.
108
class OverloadedTemplateStorage : public UncommonTemplateNameStorage {
109
  friend class ASTContext;
110
111
  OverloadedTemplateStorage(unsigned size)
112
157k
      : UncommonTemplateNameStorage(Overloaded, 0, size) {}
113
114
157k
  NamedDecl **getStorage() {
115
157k
    return reinterpret_cast<NamedDecl **>(this + 1);
116
157k
  }
117
162k
  NamedDecl * const *getStorage() const {
118
162k
    return reinterpret_cast<NamedDecl *const *>(this + 1);
119
162k
  }
120
121
public:
122
0
  unsigned size() const { return Bits.Data; }
123
124
  using iterator = NamedDecl *const *;
125
126
162k
  iterator begin() const { return getStorage(); }
127
5
  iterator end() const { return getStorage() + Bits.Data; }
128
129
0
  llvm::ArrayRef<NamedDecl*> decls() const {
130
0
    return llvm::ArrayRef(begin(), end());
131
0
  }
132
};
133
134
/// A structure for storing an already-substituted template template
135
/// parameter pack.
136
///
137
/// This kind of template names occurs when the parameter pack has been
138
/// provided with a template template argument pack in a context where its
139
/// enclosing pack expansion could not be fully expanded.
140
class SubstTemplateTemplateParmPackStorage : public UncommonTemplateNameStorage,
141
                                             public llvm::FoldingSetNode {
142
  const TemplateArgument *Arguments;
143
  llvm::PointerIntPair<Decl *, 1, bool> AssociatedDeclAndFinal;
144
145
public:
146
  SubstTemplateTemplateParmPackStorage(ArrayRef<TemplateArgument> ArgPack,
147
                                       Decl *AssociatedDecl, unsigned Index,
148
                                       bool Final);
149
150
  /// A template-like entity which owns the whole pattern being substituted.
151
  /// This will own a set of template parameters.
152
  Decl *getAssociatedDecl() const;
153
154
  /// Returns the index of the replaced parameter in the associated declaration.
155
  /// This should match the result of `getParameterPack()->getIndex()`.
156
7
  unsigned getIndex() const { return Bits.Index; }
157
158
  // When true the substitution will be 'Final' (subst node won't be placed).
159
  bool getFinal() const;
160
161
  /// Retrieve the template template parameter pack being substituted.
162
  TemplateTemplateParmDecl *getParameterPack() const;
163
164
  /// Retrieve the template template argument pack with which this
165
  /// parameter was substituted.
166
  TemplateArgument getArgumentPack() const;
167
168
  void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context);
169
170
  static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context,
171
                      const TemplateArgument &ArgPack, Decl *AssociatedDecl,
172
                      unsigned Index, bool Final);
173
};
174
175
/// Represents a C++ template name within the type system.
176
///
177
/// A C++ template name refers to a template within the C++ type
178
/// system. In most cases, a template name is simply a reference to a
179
/// class template, e.g.
180
///
181
/// \code
182
/// template<typename T> class X { };
183
///
184
/// X<int> xi;
185
/// \endcode
186
///
187
/// Here, the 'X' in \c X<int> is a template name that refers to the
188
/// declaration of the class template X, above. Template names can
189
/// also refer to function templates, C++0x template aliases, etc.
190
///
191
/// Some template names are dependent. For example, consider:
192
///
193
/// \code
194
/// template<typename MetaFun, typename T1, typename T2> struct apply2 {
195
///   typedef typename MetaFun::template apply<T1, T2>::type type;
196
/// };
197
/// \endcode
198
///
199
/// Here, "apply" is treated as a template name within the typename
200
/// specifier in the typedef. "apply" is a nested template, and can
201
/// only be understood in the context of
202
class TemplateName {
203
  // NameDecl is either a TemplateDecl or a UsingShadowDecl depending on the
204
  // NameKind.
205
  // !! There is no free low bits in 32-bit builds to discriminate more than 4
206
  // pointer types in PointerUnion.
207
  using StorageType =
208
      llvm::PointerUnion<Decl *, UncommonTemplateNameStorage *,
209
                         QualifiedTemplateName *, DependentTemplateName *>;
210
211
  StorageType Storage;
212
213
  explicit TemplateName(void *Ptr);
214
215
public:
216
  // Kind of name that is actually stored.
217
  enum NameKind {
218
    /// A single template declaration.
219
    Template,
220
221
    /// A set of overloaded template declarations.
222
    OverloadedTemplate,
223
224
    /// An unqualified-id that has been assumed to name a function template
225
    /// that will be found by ADL.
226
    AssumedTemplate,
227
228
    /// A qualified template name, where the qualification is kept
229
    /// to describe the source code as written.
230
    QualifiedTemplate,
231
232
    /// A dependent template name that has not been resolved to a
233
    /// template (or set of templates).
234
    DependentTemplate,
235
236
    /// A template template parameter that has been substituted
237
    /// for some other template name.
238
    SubstTemplateTemplateParm,
239
240
    /// A template template parameter pack that has been substituted for
241
    /// a template template argument pack, but has not yet been expanded into
242
    /// individual arguments.
243
    SubstTemplateTemplateParmPack,
244
245
    /// A template name that refers to a template declaration found through a
246
    /// specific using shadow declaration.
247
    UsingTemplate,
248
  };
249
250
5.59M
  TemplateName() = default;
251
  explicit TemplateName(TemplateDecl *Template);
252
  explicit TemplateName(OverloadedTemplateStorage *Storage);
253
  explicit TemplateName(AssumedTemplateStorage *Storage);
254
  explicit TemplateName(SubstTemplateTemplateParmStorage *Storage);
255
  explicit TemplateName(SubstTemplateTemplateParmPackStorage *Storage);
256
  explicit TemplateName(QualifiedTemplateName *Qual);
257
  explicit TemplateName(DependentTemplateName *Dep);
258
  explicit TemplateName(UsingShadowDecl *Using);
259
260
  /// Determine whether this template name is NULL.
261
  bool isNull() const;
262
263
  // Get the kind of name that is actually stored.
264
  NameKind getKind() const;
265
266
  /// Retrieve the underlying template declaration that
267
  /// this template name refers to, if known.
268
  ///
269
  /// \returns The template declaration that this template name refers
270
  /// to, if any. If the template name does not refer to a specific
271
  /// declaration because it is a dependent name, or if it refers to a
272
  /// set of function templates, returns NULL.
273
  TemplateDecl *getAsTemplateDecl() const;
274
275
  /// Retrieve the underlying, overloaded function template
276
  /// declarations that this template name refers to, if known.
277
  ///
278
  /// \returns The set of overloaded function templates that this template
279
  /// name refers to, if known. If the template name does not refer to a
280
  /// specific set of function templates because it is a dependent name or
281
  /// refers to a single template, returns NULL.
282
  OverloadedTemplateStorage *getAsOverloadedTemplate() const;
283
284
  /// Retrieve information on a name that has been assumed to be a
285
  /// template-name in order to permit a call via ADL.
286
  AssumedTemplateStorage *getAsAssumedTemplateName() const;
287
288
  /// Retrieve the substituted template template parameter, if
289
  /// known.
290
  ///
291
  /// \returns The storage for the substituted template template parameter,
292
  /// if known. Otherwise, returns NULL.
293
  SubstTemplateTemplateParmStorage *getAsSubstTemplateTemplateParm() const;
294
295
  /// Retrieve the substituted template template parameter pack, if
296
  /// known.
297
  ///
298
  /// \returns The storage for the substituted template template parameter pack,
299
  /// if known. Otherwise, returns NULL.
300
  SubstTemplateTemplateParmPackStorage *
301
  getAsSubstTemplateTemplateParmPack() const;
302
303
  /// Retrieve the underlying qualified template name
304
  /// structure, if any.
305
  QualifiedTemplateName *getAsQualifiedTemplateName() const;
306
307
  /// Retrieve the underlying dependent template name
308
  /// structure, if any.
309
  DependentTemplateName *getAsDependentTemplateName() const;
310
311
  /// Retrieve the using shadow declaration through which the underlying
312
  /// template declaration is introduced, if any.
313
  UsingShadowDecl *getAsUsingShadowDecl() const;
314
315
  TemplateName getUnderlying() const;
316
317
  /// Get the template name to substitute when this template name is used as a
318
  /// template template argument. This refers to the most recent declaration of
319
  /// the template, including any default template arguments.
320
  TemplateName getNameToSubstitute() const;
321
322
  TemplateNameDependence getDependence() const;
323
324
  /// Determines whether this is a dependent template name.
325
  bool isDependent() const;
326
327
  /// Determines whether this is a template name that somehow
328
  /// depends on a template parameter.
329
  bool isInstantiationDependent() const;
330
331
  /// Determines whether this template name contains an
332
  /// unexpanded parameter pack (for C++0x variadic templates).
333
  bool containsUnexpandedParameterPack() const;
334
335
  enum class Qualified { None, AsWritten, Fully };
336
  /// Print the template name.
337
  ///
338
  /// \param OS the output stream to which the template name will be
339
  /// printed.
340
  ///
341
  /// \param Qual print the (Qualified::None) simple name,
342
  /// (Qualified::AsWritten) any written (possibly partial) qualifier, or
343
  /// (Qualified::Fully) the fully qualified name.
344
  void print(raw_ostream &OS, const PrintingPolicy &Policy,
345
             Qualified Qual = Qualified::AsWritten) const;
346
347
  /// Debugging aid that dumps the template name.
348
  void dump(raw_ostream &OS) const;
349
350
  /// Debugging aid that dumps the template name to standard
351
  /// error.
352
  void dump() const;
353
354
  void Profile(llvm::FoldingSetNodeID &ID);
355
356
  /// Retrieve the template name as a void pointer.
357
8.11M
  void *getAsVoidPointer() const { return Storage.getOpaqueValue(); }
358
359
  /// Build a template name from a void pointer.
360
4.97M
  static TemplateName getFromVoidPointer(void *Ptr) {
361
4.97M
    return TemplateName(Ptr);
362
4.97M
  }
363
};
364
365
/// Insertion operator for diagnostics.  This allows sending TemplateName's
366
/// into a diagnostic with <<.
367
const StreamingDiagnostic &operator<<(const StreamingDiagnostic &DB,
368
                                      TemplateName N);
369
370
/// A structure for storing the information associated with a
371
/// substituted template template parameter.
372
class SubstTemplateTemplateParmStorage
373
  : public UncommonTemplateNameStorage, public llvm::FoldingSetNode {
374
  friend class ASTContext;
375
376
  TemplateName Replacement;
377
  Decl *AssociatedDecl;
378
379
  SubstTemplateTemplateParmStorage(TemplateName Replacement,
380
                                   Decl *AssociatedDecl, unsigned Index,
381
                                   std::optional<unsigned> PackIndex)
382
20.2k
      : UncommonTemplateNameStorage(SubstTemplateTemplateParm, Index,
383
20.2k
                                    PackIndex ? 
*PackIndex + 116.4k
:
03.82k
),
384
20.2k
        Replacement(Replacement), AssociatedDecl(AssociatedDecl) {
385
20.2k
    assert(AssociatedDecl != nullptr);
386
20.2k
  }
387
388
public:
389
  /// A template-like entity which owns the whole pattern being substituted.
390
  /// This will own a set of template parameters.
391
48.9k
  Decl *getAssociatedDecl() const { return AssociatedDecl; }
392
393
  /// Returns the index of the replaced parameter in the associated declaration.
394
  /// This should match the result of `getParameter()->getIndex()`.
395
48.9k
  unsigned getIndex() const { return Bits.Index; }
396
397
48.9k
  std::optional<unsigned> getPackIndex() const {
398
48.9k
    if (Bits.Data == 0)
399
8.04k
      return std::nullopt;
400
40.9k
    return Bits.Data - 1;
401
48.9k
  }
402
403
  TemplateTemplateParmDecl *getParameter() const;
404
118k
  TemplateName getReplacement() const { return Replacement; }
405
406
  void Profile(llvm::FoldingSetNodeID &ID);
407
408
  static void Profile(llvm::FoldingSetNodeID &ID, TemplateName Replacement,
409
                      Decl *AssociatedDecl, unsigned Index,
410
                      std::optional<unsigned> PackIndex);
411
};
412
413
9.90M
inline TemplateName TemplateName::getUnderlying() const {
414
9.90M
  if (SubstTemplateTemplateParmStorage *subst
415
9.90M
        = getAsSubstTemplateTemplateParm())
416
20.5k
    return subst->getReplacement().getUnderlying();
417
9.88M
  return *this;
418
9.90M
}
419
420
/// Represents a template name that was expressed as a
421
/// qualified name.
422
///
423
/// This kind of template name refers to a template name that was
424
/// preceded by a nested name specifier, e.g., \c std::vector. Here,
425
/// the nested name specifier is "std::" and the template name is the
426
/// declaration for "vector". The QualifiedTemplateName class is only
427
/// used to provide "sugar" for template names that were expressed
428
/// with a qualified name, and has no semantic meaning. In this
429
/// manner, it is to TemplateName what ElaboratedType is to Type,
430
/// providing extra syntactic sugar for downstream clients.
431
class QualifiedTemplateName : public llvm::FoldingSetNode {
432
  friend class ASTContext;
433
434
  /// The nested name specifier that qualifies the template name.
435
  ///
436
  /// The bit is used to indicate whether the "template" keyword was
437
  /// present before the template name itself. Note that the
438
  /// "template" keyword is always redundant in this case (otherwise,
439
  /// the template name would be a dependent name and we would express
440
  /// this name with DependentTemplateName).
441
  llvm::PointerIntPair<NestedNameSpecifier *, 1> Qualifier;
442
443
  /// The underlying template name, it is either
444
  ///  1) a Template -- a template declaration that this qualified name refers
445
  ///     to.
446
  ///  2) or a UsingTemplate -- a template declaration introduced by a
447
  ///     using-shadow declaration.
448
  TemplateName UnderlyingTemplate;
449
450
  QualifiedTemplateName(NestedNameSpecifier *NNS, bool TemplateKeyword,
451
                        TemplateName Template)
452
155k
      : Qualifier(NNS, TemplateKeyword ? 
137.4k
:
0117k
), UnderlyingTemplate(Template) {
453
155k
    assert(UnderlyingTemplate.getKind() == TemplateName::Template ||
454
155k
           UnderlyingTemplate.getKind() == TemplateName::UsingTemplate);
455
155k
  }
456
457
public:
458
  /// Return the nested name specifier that qualifies this name.
459
697k
  NestedNameSpecifier *getQualifier() const { return Qualifier.getPointer(); }
460
461
  /// Whether the template name was prefixed by the "template"
462
  /// keyword.
463
545k
  bool hasTemplateKeyword() const { return Qualifier.getInt(); }
464
465
  /// Return the underlying template name.
466
847k
  TemplateName getUnderlyingTemplate() const { return UnderlyingTemplate; }
467
468
544k
  void Profile(llvm::FoldingSetNodeID &ID) {
469
544k
    Profile(ID, getQualifier(), hasTemplateKeyword(), UnderlyingTemplate);
470
544k
  }
471
472
  static void Profile(llvm::FoldingSetNodeID &ID, NestedNameSpecifier *NNS,
473
909k
                      bool TemplateKeyword, TemplateName TN) {
474
909k
    ID.AddPointer(NNS);
475
909k
    ID.AddBoolean(TemplateKeyword);
476
909k
    ID.AddPointer(TN.getAsVoidPointer());
477
909k
  }
478
};
479
480
/// Represents a dependent template name that cannot be
481
/// resolved prior to template instantiation.
482
///
483
/// This kind of template name refers to a dependent template name,
484
/// including its nested name specifier (if any). For example,
485
/// DependentTemplateName can refer to "MetaFun::template apply",
486
/// where "MetaFun::" is the nested name specifier and "apply" is the
487
/// template name referenced. The "template" keyword is implied.
488
class DependentTemplateName : public llvm::FoldingSetNode {
489
  friend class ASTContext;
490
491
  /// The nested name specifier that qualifies the template
492
  /// name.
493
  ///
494
  /// The bit stored in this qualifier describes whether the \c Name field
495
  /// is interpreted as an IdentifierInfo pointer (when clear) or as an
496
  /// overloaded operator kind (when set).
497
  llvm::PointerIntPair<NestedNameSpecifier *, 1, bool> Qualifier;
498
499
  /// The dependent template name.
500
  union {
501
    /// The identifier template name.
502
    ///
503
    /// Only valid when the bit on \c Qualifier is clear.
504
    const IdentifierInfo *Identifier;
505
506
    /// The overloaded operator name.
507
    ///
508
    /// Only valid when the bit on \c Qualifier is set.
509
    OverloadedOperatorKind Operator;
510
  };
511
512
  /// The canonical template name to which this dependent
513
  /// template name refers.
514
  ///
515
  /// The canonical template name for a dependent template name is
516
  /// another dependent template name whose nested name specifier is
517
  /// canonical.
518
  TemplateName CanonicalTemplateName;
519
520
  DependentTemplateName(NestedNameSpecifier *Qualifier,
521
                        const IdentifierInfo *Identifier)
522
30.6k
      : Qualifier(Qualifier, false), Identifier(Identifier),
523
30.6k
        CanonicalTemplateName(this) {}
524
525
  DependentTemplateName(NestedNameSpecifier *Qualifier,
526
                        const IdentifierInfo *Identifier,
527
                        TemplateName Canon)
528
49.1k
      : Qualifier(Qualifier, false), Identifier(Identifier),
529
49.1k
        CanonicalTemplateName(Canon) {}
530
531
  DependentTemplateName(NestedNameSpecifier *Qualifier,
532
                        OverloadedOperatorKind Operator)
533
30
      : Qualifier(Qualifier, true), Operator(Operator),
534
30
        CanonicalTemplateName(this) {}
535
536
  DependentTemplateName(NestedNameSpecifier *Qualifier,
537
                        OverloadedOperatorKind Operator,
538
                        TemplateName Canon)
539
8
       : Qualifier(Qualifier, true), Operator(Operator),
540
8
         CanonicalTemplateName(Canon) {}
541
542
public:
543
  /// Return the nested name specifier that qualifies this name.
544
169k
  NestedNameSpecifier *getQualifier() const { return Qualifier.getPointer(); }
545
546
  /// Determine whether this template name refers to an identifier.
547
347k
  bool isIdentifier() const { return !Qualifier.getInt(); }
548
549
  /// Returns the identifier to which this template name refers.
550
179k
  const IdentifierInfo *getIdentifier() const {
551
179k
    assert(isIdentifier() && "Template name isn't an identifier?");
552
179k
    return Identifier;
553
179k
  }
554
555
  /// Determine whether this template name refers to an overloaded
556
  /// operator.
557
172
  bool isOverloadedOperator() const { return Qualifier.getInt(); }
558
559
  /// Return the overloaded operator to which this template name refers.
560
172
  OverloadedOperatorKind getOperator() const {
561
172
    assert(isOverloadedOperator() &&
562
172
           "Template name isn't an overloaded operator?");
563
172
    return Operator;
564
172
  }
565
566
139k
  void Profile(llvm::FoldingSetNodeID &ID) {
567
139k
    if (isIdentifier())
568
139k
      Profile(ID, getQualifier(), getIdentifier());
569
104
    else
570
104
      Profile(ID, getQualifier(), getOperator());
571
139k
  }
572
573
  static void Profile(llvm::FoldingSetNodeID &ID, NestedNameSpecifier *NNS,
574
246k
                      const IdentifierInfo *Identifier) {
575
246k
    ID.AddPointer(NNS);
576
246k
    ID.AddBoolean(false);
577
246k
    ID.AddPointer(Identifier);
578
246k
  }
579
580
  static void Profile(llvm::FoldingSetNodeID &ID, NestedNameSpecifier *NNS,
581
186
                      OverloadedOperatorKind Operator) {
582
186
    ID.AddPointer(NNS);
583
186
    ID.AddBoolean(true);
584
186
    ID.AddInteger(Operator);
585
186
  }
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};
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} // namespace clang.
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namespace llvm {
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/// The clang::TemplateName class is effectively a pointer.
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template<>
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struct PointerLikeTypeTraits<clang::TemplateName> {
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4.31M
  static inline void *getAsVoidPointer(clang::TemplateName TN) {
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4.31M
    return TN.getAsVoidPointer();
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4.31M
  }
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4.33M
  static inline clang::TemplateName getFromVoidPointer(void *Ptr) {
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4.33M
    return clang::TemplateName::getFromVoidPointer(Ptr);
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4.33M
  }
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  // No bits are available!
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  static constexpr int NumLowBitsAvailable = 0;
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};
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} // namespace llvm.
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#endif // LLVM_CLANG_AST_TEMPLATENAME_H