/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/tools/clang/include/clang/Lex/PreprocessingRecord.h
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1 | | //===--- PreprocessingRecord.h - Record of Preprocessing --------*- C++ -*-===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This file defines the PreprocessingRecord class, which maintains a record |
11 | | // of what occurred during preprocessing. |
12 | | // |
13 | | //===----------------------------------------------------------------------===// |
14 | | #ifndef LLVM_CLANG_LEX_PREPROCESSINGRECORD_H |
15 | | #define LLVM_CLANG_LEX_PREPROCESSINGRECORD_H |
16 | | |
17 | | #include "clang/Basic/IdentifierTable.h" |
18 | | #include "clang/Basic/SourceLocation.h" |
19 | | #include "clang/Lex/PPCallbacks.h" |
20 | | #include "llvm/ADT/DenseMap.h" |
21 | | #include "llvm/ADT/Optional.h" |
22 | | #include "llvm/ADT/iterator.h" |
23 | | #include "llvm/Support/Allocator.h" |
24 | | #include "llvm/Support/Compiler.h" |
25 | | #include <vector> |
26 | | |
27 | | namespace clang { |
28 | | class IdentifierInfo; |
29 | | class MacroInfo; |
30 | | class PreprocessingRecord; |
31 | | } |
32 | | |
33 | | /// \brief Allocates memory within a Clang preprocessing record. |
34 | | void *operator new(size_t bytes, clang::PreprocessingRecord &PR, |
35 | | unsigned alignment = 8) noexcept; |
36 | | |
37 | | /// \brief Frees memory allocated in a Clang preprocessing record. |
38 | | void operator delete(void *ptr, clang::PreprocessingRecord &PR, |
39 | | unsigned) noexcept; |
40 | | |
41 | | namespace clang { |
42 | | class MacroDefinitionRecord; |
43 | | class FileEntry; |
44 | | |
45 | | /// \brief Base class that describes a preprocessed entity, which may be a |
46 | | /// preprocessor directive or macro expansion. |
47 | | class PreprocessedEntity { |
48 | | public: |
49 | | /// \brief The kind of preprocessed entity an object describes. |
50 | | enum EntityKind { |
51 | | /// \brief Indicates a problem trying to load the preprocessed entity. |
52 | | InvalidKind, |
53 | | |
54 | | /// \brief A macro expansion. |
55 | | MacroExpansionKind, |
56 | | |
57 | | /// \defgroup Preprocessing directives |
58 | | /// @{ |
59 | | |
60 | | /// \brief A macro definition. |
61 | | MacroDefinitionKind, |
62 | | |
63 | | /// \brief An inclusion directive, such as \c \#include, \c |
64 | | /// \#import, or \c \#include_next. |
65 | | InclusionDirectiveKind, |
66 | | |
67 | | /// @} |
68 | | |
69 | | FirstPreprocessingDirective = MacroDefinitionKind, |
70 | | LastPreprocessingDirective = InclusionDirectiveKind |
71 | | }; |
72 | | |
73 | | private: |
74 | | /// \brief The kind of preprocessed entity that this object describes. |
75 | | EntityKind Kind; |
76 | | |
77 | | /// \brief The source range that covers this preprocessed entity. |
78 | | SourceRange Range; |
79 | | |
80 | | protected: |
81 | | PreprocessedEntity(EntityKind Kind, SourceRange Range) |
82 | 579k | : Kind(Kind), Range(Range) { } |
83 | | |
84 | | friend class PreprocessingRecord; |
85 | | |
86 | | public: |
87 | | /// \brief Retrieve the kind of preprocessed entity stored in this object. |
88 | 704k | EntityKind getKind() const { return Kind; } |
89 | | |
90 | | /// \brief Retrieve the source range that covers this entire preprocessed |
91 | | /// entity. |
92 | 924k | SourceRange getSourceRange() const LLVM_READONLY { return Range; } |
93 | | |
94 | | /// \brief Returns true if there was a problem loading the preprocessed |
95 | | /// entity. |
96 | 0 | bool isInvalid() const { return Kind == InvalidKind; } |
97 | | |
98 | | // Only allow allocation of preprocessed entities using the allocator |
99 | | // in PreprocessingRecord or by doing a placement new. |
100 | | void *operator new(size_t bytes, PreprocessingRecord &PR, |
101 | 579k | unsigned alignment = 8) noexcept { |
102 | 579k | return ::operator new(bytes, PR, alignment); |
103 | 579k | } |
104 | | |
105 | 0 | void *operator new(size_t bytes, void *mem) noexcept { return mem; } |
106 | | |
107 | | void operator delete(void *ptr, PreprocessingRecord &PR, |
108 | 0 | unsigned alignment) noexcept { |
109 | 0 | return ::operator delete(ptr, PR, alignment); |
110 | 0 | } |
111 | | |
112 | 0 | void operator delete(void *, std::size_t) noexcept {} |
113 | 0 | void operator delete(void *, void *) noexcept {} |
114 | | |
115 | | private: |
116 | | // Make vanilla 'new' and 'delete' illegal for preprocessed entities. |
117 | | void *operator new(size_t bytes) noexcept; |
118 | | void operator delete(void *data) noexcept; |
119 | | }; |
120 | | |
121 | | /// \brief Records the presence of a preprocessor directive. |
122 | | class PreprocessingDirective : public PreprocessedEntity { |
123 | | public: |
124 | | PreprocessingDirective(EntityKind Kind, SourceRange Range) |
125 | 578k | : PreprocessedEntity(Kind, Range) { } |
126 | | |
127 | | // Implement isa/cast/dyncast/etc. |
128 | 0 | static bool classof(const PreprocessedEntity *PD) { |
129 | 0 | return PD->getKind() >= FirstPreprocessingDirective && |
130 | 0 | PD->getKind() <= LastPreprocessingDirective; |
131 | 0 | } |
132 | | }; |
133 | | |
134 | | /// \brief Record the location of a macro definition. |
135 | | class MacroDefinitionRecord : public PreprocessingDirective { |
136 | | /// \brief The name of the macro being defined. |
137 | | const IdentifierInfo *Name; |
138 | | |
139 | | public: |
140 | | explicit MacroDefinitionRecord(const IdentifierInfo *Name, |
141 | | SourceRange Range) |
142 | 577k | : PreprocessingDirective(MacroDefinitionKind, Range), Name(Name) {} |
143 | | |
144 | | /// \brief Retrieve the name of the macro being defined. |
145 | 154k | const IdentifierInfo *getName() const { return Name; } |
146 | | |
147 | | /// \brief Retrieve the location of the macro name in the definition. |
148 | 0 | SourceLocation getLocation() const { return getSourceRange().getBegin(); } |
149 | | |
150 | | // Implement isa/cast/dyncast/etc. |
151 | 643k | static bool classof(const PreprocessedEntity *PE) { |
152 | 643k | return PE->getKind() == MacroDefinitionKind; |
153 | 643k | } |
154 | | }; |
155 | | |
156 | | /// \brief Records the location of a macro expansion. |
157 | | class MacroExpansion : public PreprocessedEntity { |
158 | | /// \brief The definition of this macro or the name of the macro if it is |
159 | | /// a builtin macro. |
160 | | llvm::PointerUnion<IdentifierInfo *, MacroDefinitionRecord *> NameOrDef; |
161 | | |
162 | | public: |
163 | | MacroExpansion(IdentifierInfo *BuiltinName, SourceRange Range) |
164 | | : PreprocessedEntity(MacroExpansionKind, Range), |
165 | 59 | NameOrDef(BuiltinName) {} |
166 | | |
167 | | MacroExpansion(MacroDefinitionRecord *Definition, SourceRange Range) |
168 | 1.17k | : PreprocessedEntity(MacroExpansionKind, Range), NameOrDef(Definition) { |
169 | 1.17k | } |
170 | | |
171 | | /// \brief True if it is a builtin macro. |
172 | 76 | bool isBuiltinMacro() const { return NameOrDef.is<IdentifierInfo *>(); } |
173 | | |
174 | | /// \brief The name of the macro being expanded. |
175 | 139 | const IdentifierInfo *getName() const { |
176 | 139 | if (MacroDefinitionRecord *Def = getDefinition()) |
177 | 126 | return Def->getName(); |
178 | 13 | return NameOrDef.get<IdentifierInfo *>(); |
179 | 139 | } |
180 | | |
181 | | /// \brief The definition of the macro being expanded. May return null if |
182 | | /// this is a builtin macro. |
183 | 273 | MacroDefinitionRecord *getDefinition() const { |
184 | 273 | return NameOrDef.dyn_cast<MacroDefinitionRecord *>(); |
185 | 273 | } |
186 | | |
187 | | // Implement isa/cast/dyncast/etc. |
188 | 58.1k | static bool classof(const PreprocessedEntity *PE) { |
189 | 58.1k | return PE->getKind() == MacroExpansionKind; |
190 | 58.1k | } |
191 | | }; |
192 | | |
193 | | /// \brief Record the location of an inclusion directive, such as an |
194 | | /// \c \#include or \c \#import statement. |
195 | | class InclusionDirective : public PreprocessingDirective { |
196 | | public: |
197 | | /// \brief The kind of inclusion directives known to the |
198 | | /// preprocessor. |
199 | | enum InclusionKind { |
200 | | /// \brief An \c \#include directive. |
201 | | Include, |
202 | | /// \brief An Objective-C \c \#import directive. |
203 | | Import, |
204 | | /// \brief A GNU \c \#include_next directive. |
205 | | IncludeNext, |
206 | | /// \brief A Clang \c \#__include_macros directive. |
207 | | IncludeMacros |
208 | | }; |
209 | | |
210 | | private: |
211 | | /// \brief The name of the file that was included, as written in |
212 | | /// the source. |
213 | | StringRef FileName; |
214 | | |
215 | | /// \brief Whether the file name was in quotation marks; otherwise, it was |
216 | | /// in angle brackets. |
217 | | unsigned InQuotes : 1; |
218 | | |
219 | | /// \brief The kind of inclusion directive we have. |
220 | | /// |
221 | | /// This is a value of type InclusionKind. |
222 | | unsigned Kind : 2; |
223 | | |
224 | | /// \brief Whether the inclusion directive was automatically turned into |
225 | | /// a module import. |
226 | | unsigned ImportedModule : 1; |
227 | | |
228 | | /// \brief The file that was included. |
229 | | const FileEntry *File; |
230 | | |
231 | | public: |
232 | | InclusionDirective(PreprocessingRecord &PPRec, |
233 | | InclusionKind Kind, StringRef FileName, |
234 | | bool InQuotes, bool ImportedModule, |
235 | | const FileEntry *File, SourceRange Range); |
236 | | |
237 | | /// \brief Determine what kind of inclusion directive this is. |
238 | 241 | InclusionKind getKind() const { return static_cast<InclusionKind>(Kind); } |
239 | | |
240 | | /// \brief Retrieve the included file name as it was written in the source. |
241 | 581 | StringRef getFileName() const { return FileName; } |
242 | | |
243 | | /// \brief Determine whether the included file name was written in quotes; |
244 | | /// otherwise, it was written in angle brackets. |
245 | 241 | bool wasInQuotes() const { return InQuotes; } |
246 | | |
247 | | /// \brief Determine whether the inclusion directive was automatically |
248 | | /// turned into a module import. |
249 | 241 | bool importedModule() const { return ImportedModule; } |
250 | | |
251 | | /// \brief Retrieve the file entry for the actual file that was included |
252 | | /// by this directive. |
253 | 575 | const FileEntry *getFile() const { return File; } |
254 | | |
255 | | // Implement isa/cast/dyncast/etc. |
256 | 3.29k | static bool classof(const PreprocessedEntity *PE) { |
257 | 3.29k | return PE->getKind() == InclusionDirectiveKind; |
258 | 3.29k | } |
259 | | }; |
260 | | |
261 | | /// \brief An abstract class that should be subclassed by any external source |
262 | | /// of preprocessing record entries. |
263 | | class ExternalPreprocessingRecordSource { |
264 | | public: |
265 | | virtual ~ExternalPreprocessingRecordSource(); |
266 | | |
267 | | /// \brief Read a preallocated preprocessed entity from the external source. |
268 | | /// |
269 | | /// \returns null if an error occurred that prevented the preprocessed |
270 | | /// entity from being loaded. |
271 | | virtual PreprocessedEntity *ReadPreprocessedEntity(unsigned Index) = 0; |
272 | | |
273 | | /// \brief Returns a pair of [Begin, End) indices of preallocated |
274 | | /// preprocessed entities that \p Range encompasses. |
275 | | virtual std::pair<unsigned, unsigned> |
276 | | findPreprocessedEntitiesInRange(SourceRange Range) = 0; |
277 | | |
278 | | /// \brief Optionally returns true or false if the preallocated preprocessed |
279 | | /// entity with index \p Index came from file \p FID. |
280 | | virtual Optional<bool> isPreprocessedEntityInFileID(unsigned Index, |
281 | 0 | FileID FID) { |
282 | 0 | return None; |
283 | 0 | } |
284 | | }; |
285 | | |
286 | | /// \brief A record of the steps taken while preprocessing a source file, |
287 | | /// including the various preprocessing directives processed, macros |
288 | | /// expanded, etc. |
289 | | class PreprocessingRecord : public PPCallbacks { |
290 | | SourceManager &SourceMgr; |
291 | | |
292 | | /// \brief Allocator used to store preprocessing objects. |
293 | | llvm::BumpPtrAllocator BumpAlloc; |
294 | | |
295 | | /// \brief The set of preprocessed entities in this record, in order they |
296 | | /// were seen. |
297 | | std::vector<PreprocessedEntity *> PreprocessedEntities; |
298 | | |
299 | | /// \brief The set of preprocessed entities in this record that have been |
300 | | /// loaded from external sources. |
301 | | /// |
302 | | /// The entries in this vector are loaded lazily from the external source, |
303 | | /// and are referenced by the iterator using negative indices. |
304 | | std::vector<PreprocessedEntity *> LoadedPreprocessedEntities; |
305 | | |
306 | | /// \brief The set of ranges that were skipped by the preprocessor, |
307 | | std::vector<SourceRange> SkippedRanges; |
308 | | |
309 | | /// \brief Global (loaded or local) ID for a preprocessed entity. |
310 | | /// Negative values are used to indicate preprocessed entities |
311 | | /// loaded from the external source while non-negative values are used to |
312 | | /// indicate preprocessed entities introduced by the current preprocessor. |
313 | | /// Value -1 corresponds to element 0 in the loaded entities vector, |
314 | | /// value -2 corresponds to element 1 in the loaded entities vector, etc. |
315 | | /// Value 0 is an invalid value, the index to local entities is 1-based, |
316 | | /// value 1 corresponds to element 0 in the local entities vector, |
317 | | /// value 2 corresponds to element 1 in the local entities vector, etc. |
318 | | class PPEntityID { |
319 | | int ID; |
320 | 741k | explicit PPEntityID(int ID) : ID(ID) {} |
321 | | friend class PreprocessingRecord; |
322 | | public: |
323 | 0 | PPEntityID() : ID(0) {} |
324 | | }; |
325 | | |
326 | 741k | static PPEntityID getPPEntityID(unsigned Index, bool isLoaded) { |
327 | 741k | return isLoaded ? PPEntityID(-int(Index)-1)51.8k : PPEntityID(Index+1)689k ; |
328 | 741k | } |
329 | | |
330 | | /// \brief Mapping from MacroInfo structures to their definitions. |
331 | | llvm::DenseMap<const MacroInfo *, MacroDefinitionRecord *> MacroDefinitions; |
332 | | |
333 | | /// \brief External source of preprocessed entities. |
334 | | ExternalPreprocessingRecordSource *ExternalSource; |
335 | | |
336 | | /// \brief Retrieve the preprocessed entity at the given ID. |
337 | | PreprocessedEntity *getPreprocessedEntity(PPEntityID PPID); |
338 | | |
339 | | /// \brief Retrieve the loaded preprocessed entity at the given index. |
340 | | PreprocessedEntity *getLoadedPreprocessedEntity(unsigned Index); |
341 | | |
342 | | /// \brief Determine the number of preprocessed entities that were |
343 | | /// loaded (or can be loaded) from an external source. |
344 | 76 | unsigned getNumLoadedPreprocessedEntities() const { |
345 | 76 | return LoadedPreprocessedEntities.size(); |
346 | 76 | } |
347 | | |
348 | | /// \brief Returns a pair of [Begin, End) indices of local preprocessed |
349 | | /// entities that \p Range encompasses. |
350 | | std::pair<unsigned, unsigned> |
351 | | findLocalPreprocessedEntitiesInRange(SourceRange Range) const; |
352 | | unsigned findBeginLocalPreprocessedEntity(SourceLocation Loc) const; |
353 | | unsigned findEndLocalPreprocessedEntity(SourceLocation Loc) const; |
354 | | |
355 | | /// \brief Allocate space for a new set of loaded preprocessed entities. |
356 | | /// |
357 | | /// \returns The index into the set of loaded preprocessed entities, which |
358 | | /// corresponds to the first newly-allocated entity. |
359 | | unsigned allocateLoadedEntities(unsigned NumEntities); |
360 | | |
361 | | /// \brief Register a new macro definition. |
362 | | void RegisterMacroDefinition(MacroInfo *Macro, MacroDefinitionRecord *Def); |
363 | | |
364 | | public: |
365 | | /// \brief Construct a new preprocessing record. |
366 | | explicit PreprocessingRecord(SourceManager &SM); |
367 | | |
368 | | /// \brief Allocate memory in the preprocessing record. |
369 | 580k | void *Allocate(unsigned Size, unsigned Align = 8) { |
370 | 580k | return BumpAlloc.Allocate(Size, Align); |
371 | 580k | } |
372 | | |
373 | | /// \brief Deallocate memory in the preprocessing record. |
374 | 0 | void Deallocate(void *Ptr) { } |
375 | | |
376 | | size_t getTotalMemory() const; |
377 | | |
378 | 0 | SourceManager &getSourceManager() const { return SourceMgr; } |
379 | | |
380 | | /// Iteration over the preprocessed entities. |
381 | | /// |
382 | | /// In a complete iteration, the iterator walks the range [-M, N), |
383 | | /// where negative values are used to indicate preprocessed entities |
384 | | /// loaded from the external source while non-negative values are used to |
385 | | /// indicate preprocessed entities introduced by the current preprocessor. |
386 | | /// However, to provide iteration in source order (for, e.g., chained |
387 | | /// precompiled headers), dereferencing the iterator flips the negative |
388 | | /// values (corresponding to loaded entities), so that position -M |
389 | | /// corresponds to element 0 in the loaded entities vector, position -M+1 |
390 | | /// corresponds to element 1 in the loaded entities vector, etc. This |
391 | | /// gives us a reasonably efficient, source-order walk. |
392 | | /// |
393 | | /// We define this as a wrapping iterator around an int. The |
394 | | /// iterator_adaptor_base class forwards the iterator methods to basic |
395 | | /// integer arithmetic. |
396 | | class iterator : public llvm::iterator_adaptor_base< |
397 | | iterator, int, std::random_access_iterator_tag, |
398 | | PreprocessedEntity *, int, PreprocessedEntity *, |
399 | | PreprocessedEntity *> { |
400 | | PreprocessingRecord *Self; |
401 | | |
402 | | iterator(PreprocessingRecord *Self, int Position) |
403 | 29.5k | : iterator::iterator_adaptor_base(Position), Self(Self) {} |
404 | | friend class PreprocessingRecord; |
405 | | |
406 | | public: |
407 | 0 | iterator() : iterator(nullptr, 0) {} Unexecuted instantiation: clang::PreprocessingRecord::iterator::iterator() Unexecuted instantiation: clang::PreprocessingRecord::iterator::iterator() |
408 | | |
409 | 175k | PreprocessedEntity *operator*() const { |
410 | 175k | bool isLoaded = this->I < 0; |
411 | 175k | unsigned Index = isLoaded ? |
412 | 175k | Self->LoadedPreprocessedEntities.size() + this->I20.1k : this->I155k ; |
413 | 175k | PPEntityID ID = Self->getPPEntityID(Index, isLoaded); |
414 | 175k | return Self->getPreprocessedEntity(ID); |
415 | 175k | } |
416 | 0 | PreprocessedEntity *operator->() const { return **this; } |
417 | | }; |
418 | | |
419 | | /// \brief Begin iterator for all preprocessed entities. |
420 | 0 | iterator begin() { |
421 | 0 | return iterator(this, -(int)LoadedPreprocessedEntities.size()); |
422 | 0 | } |
423 | | |
424 | | /// \brief End iterator for all preprocessed entities. |
425 | 0 | iterator end() { |
426 | 0 | return iterator(this, PreprocessedEntities.size()); |
427 | 0 | } |
428 | | |
429 | | /// \brief Begin iterator for local, non-loaded, preprocessed entities. |
430 | 395 | iterator local_begin() { |
431 | 395 | return iterator(this, 0); |
432 | 395 | } |
433 | | |
434 | | /// \brief End iterator for local, non-loaded, preprocessed entities. |
435 | 395 | iterator local_end() { |
436 | 395 | return iterator(this, PreprocessedEntities.size()); |
437 | 395 | } |
438 | | |
439 | | /// \brief iterator range for the given range of loaded |
440 | | /// preprocessed entities. |
441 | | llvm::iterator_range<iterator> getIteratorsForLoadedRange(unsigned start, |
442 | 8 | unsigned count) { |
443 | 8 | unsigned end = start + count; |
444 | 8 | assert(end <= LoadedPreprocessedEntities.size()); |
445 | 8 | return llvm::make_range( |
446 | 8 | iterator(this, int(start) - LoadedPreprocessedEntities.size()), |
447 | 8 | iterator(this, int(end) - LoadedPreprocessedEntities.size())); |
448 | 8 | } |
449 | | |
450 | | /// \brief Returns a range of preprocessed entities that source range \p R |
451 | | /// encompasses. |
452 | | /// |
453 | | /// \param R the range to look for preprocessed entities. |
454 | | /// |
455 | | llvm::iterator_range<iterator> |
456 | | getPreprocessedEntitiesInRange(SourceRange R); |
457 | | |
458 | | /// \brief Returns true if the preprocessed entity that \p PPEI iterator |
459 | | /// points to is coming from the file \p FID. |
460 | | /// |
461 | | /// Can be used to avoid implicit deserializations of preallocated |
462 | | /// preprocessed entities if we only care about entities of a specific file |
463 | | /// and not from files \#included in the range given at |
464 | | /// \see getPreprocessedEntitiesInRange. |
465 | | bool isEntityInFileID(iterator PPEI, FileID FID); |
466 | | |
467 | | /// \brief Add a new preprocessed entity to this record. |
468 | | PPEntityID addPreprocessedEntity(PreprocessedEntity *Entity); |
469 | | |
470 | | /// \brief Set the external source for preprocessed entities. |
471 | | void SetExternalSource(ExternalPreprocessingRecordSource &Source); |
472 | | |
473 | | /// \brief Retrieve the external source for preprocessed entities. |
474 | 1.29k | ExternalPreprocessingRecordSource *getExternalSource() const { |
475 | 1.29k | return ExternalSource; |
476 | 1.29k | } |
477 | | |
478 | | /// \brief Retrieve the macro definition that corresponds to the given |
479 | | /// \c MacroInfo. |
480 | | MacroDefinitionRecord *findMacroDefinition(const MacroInfo *MI); |
481 | | |
482 | | /// \brief Retrieve all ranges that got skipped while preprocessing. |
483 | 0 | const std::vector<SourceRange> &getSkippedRanges() const { |
484 | 0 | return SkippedRanges; |
485 | 0 | } |
486 | | |
487 | | private: |
488 | | void MacroExpands(const Token &Id, const MacroDefinition &MD, |
489 | | SourceRange Range, const MacroArgs *Args) override; |
490 | | void MacroDefined(const Token &Id, const MacroDirective *MD) override; |
491 | | void MacroUndefined(const Token &Id, const MacroDefinition &MD, |
492 | | const MacroDirective *Undef) override; |
493 | | void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok, |
494 | | StringRef FileName, bool IsAngled, |
495 | | CharSourceRange FilenameRange, |
496 | | const FileEntry *File, StringRef SearchPath, |
497 | | StringRef RelativePath, |
498 | | const Module *Imported) override; |
499 | | void Ifdef(SourceLocation Loc, const Token &MacroNameTok, |
500 | | const MacroDefinition &MD) override; |
501 | | void Ifndef(SourceLocation Loc, const Token &MacroNameTok, |
502 | | const MacroDefinition &MD) override; |
503 | | /// \brief Hook called whenever the 'defined' operator is seen. |
504 | | void Defined(const Token &MacroNameTok, const MacroDefinition &MD, |
505 | | SourceRange Range) override; |
506 | | |
507 | | void SourceRangeSkipped(SourceRange Range, |
508 | | SourceLocation EndifLoc) override; |
509 | | |
510 | | void addMacroExpansion(const Token &Id, const MacroInfo *MI, |
511 | | SourceRange Range); |
512 | | |
513 | | /// \brief Cached result of the last \see getPreprocessedEntitiesInRange |
514 | | /// query. |
515 | | struct { |
516 | | SourceRange Range; |
517 | | std::pair<int, int> Result; |
518 | | } CachedRangeQuery; |
519 | | |
520 | | std::pair<int, int> getPreprocessedEntitiesInRangeSlow(SourceRange R); |
521 | | |
522 | | friend class ASTReader; |
523 | | friend class ASTWriter; |
524 | | }; |
525 | | } // end namespace clang |
526 | | |
527 | | inline void *operator new(size_t bytes, clang::PreprocessingRecord &PR, |
528 | 579k | unsigned alignment) noexcept { |
529 | 579k | return PR.Allocate(bytes, alignment); |
530 | 579k | } |
531 | | |
532 | | inline void operator delete(void *ptr, clang::PreprocessingRecord &PR, |
533 | 0 | unsigned) noexcept { |
534 | 0 | PR.Deallocate(ptr); |
535 | 0 | } |
536 | | |
537 | | #endif // LLVM_CLANG_LEX_PREPROCESSINGRECORD_H |