1 | //===- PreprocessingRecord.h - Record of Preprocessing ----------*- 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 | // This file defines the PreprocessingRecord class, which maintains a record |
10 | // of what occurred during preprocessing. |
11 | // |
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/LLVM.h" |
19 | #include "clang/Basic/SourceLocation.h" |
20 | #include "clang/Lex/PPCallbacks.h" |
21 | #include "llvm/ADT/DenseMap.h" |
22 | #include "llvm/ADT/PointerUnion.h" |
23 | #include "llvm/ADT/StringRef.h" |
24 | #include "llvm/ADT/iterator.h" |
25 | #include "llvm/ADT/iterator_range.h" |
26 | #include "llvm/Support/Allocator.h" |
27 | #include "llvm/Support/Compiler.h" |
28 | #include <cassert> |
29 | #include <cstddef> |
30 | #include <iterator> |
31 | #include <optional> |
32 | #include <utility> |
33 | #include <vector> |
34 | |
35 | namespace clang { |
36 | |
37 | class PreprocessingRecord; |
38 | |
39 | } // namespace clang |
40 | |
41 | /// Allocates memory within a Clang preprocessing record. |
42 | void *operator new(size_t bytes, clang::PreprocessingRecord &PR, |
43 | unsigned alignment = 8) noexcept; |
44 | |
45 | /// Frees memory allocated in a Clang preprocessing record. |
46 | void operator delete(void *ptr, clang::PreprocessingRecord &PR, |
47 | unsigned) noexcept; |
48 | |
49 | namespace clang { |
50 | |
51 | class IdentifierInfo; |
52 | class MacroInfo; |
53 | class SourceManager; |
54 | class Token; |
55 | |
56 | /// Base class that describes a preprocessed entity, which may be a |
57 | /// preprocessor directive or macro expansion. |
58 | class PreprocessedEntity { |
59 | public: |
60 | /// The kind of preprocessed entity an object describes. |
61 | enum EntityKind { |
62 | /// Indicates a problem trying to load the preprocessed entity. |
63 | InvalidKind, |
64 | |
65 | /// A macro expansion. |
66 | MacroExpansionKind, |
67 | |
68 | /// \defgroup Preprocessing directives |
69 | /// @{ |
70 | |
71 | /// A macro definition. |
72 | MacroDefinitionKind, |
73 | |
74 | /// An inclusion directive, such as \c \#include, \c |
75 | /// \#import, or \c \#include_next. |
76 | InclusionDirectiveKind, |
77 | |
78 | /// @} |
79 | |
80 | FirstPreprocessingDirective = MacroDefinitionKind, |
81 | LastPreprocessingDirective = InclusionDirectiveKind |
82 | }; |
83 | |
84 | private: |
85 | /// The kind of preprocessed entity that this object describes. |
86 | EntityKind Kind; |
87 | |
88 | /// The source range that covers this preprocessed entity. |
89 | SourceRange Range; |
90 | |
91 | protected: |
92 | friend class PreprocessingRecord; |
93 | |
94 | PreprocessedEntity(EntityKind Kind, SourceRange Range) |
95 | : Kind(Kind), Range(Range) {} |
96 | |
97 | public: |
98 | /// Retrieve the kind of preprocessed entity stored in this object. |
99 | EntityKind getKind() const { return Kind; } |
100 | |
101 | /// Retrieve the source range that covers this entire preprocessed |
102 | /// entity. |
103 | SourceRange getSourceRange() const LLVM_READONLY { return Range; } |
104 | |
105 | /// Returns true if there was a problem loading the preprocessed |
106 | /// entity. |
107 | bool isInvalid() const { return Kind == InvalidKind; } |
108 | |
109 | // Only allow allocation of preprocessed entities using the allocator |
110 | // in PreprocessingRecord or by doing a placement new. |
111 | void *operator new(size_t bytes, PreprocessingRecord &PR, |
112 | unsigned alignment = 8) noexcept { |
113 | return ::operator new(bytes, PR, alignment); |
114 | } |
115 | |
116 | void *operator new(size_t bytes, void *mem) noexcept { return mem; } |
117 | |
118 | void operator delete(void *ptr, PreprocessingRecord &PR, |
119 | unsigned alignment) noexcept { |
120 | return ::operator delete(ptr, PR, alignment); |
121 | } |
122 | |
123 | void operator delete(void *, std::size_t) noexcept {} |
124 | void operator delete(void *, void *) noexcept {} |
125 | |
126 | private: |
127 | // Make vanilla 'new' and 'delete' illegal for preprocessed entities. |
128 | void *operator new(size_t bytes) noexcept; |
129 | void operator delete(void *data) noexcept; |
130 | }; |
131 | |
132 | /// Records the presence of a preprocessor directive. |
133 | class PreprocessingDirective : public PreprocessedEntity { |
134 | public: |
135 | PreprocessingDirective(EntityKind Kind, SourceRange Range) |
136 | : PreprocessedEntity(Kind, Range) {} |
137 | |
138 | // Implement isa/cast/dyncast/etc. |
139 | static bool classof(const PreprocessedEntity *PD) { |
140 | return PD->getKind() >= FirstPreprocessingDirective && |
141 | PD->getKind() <= LastPreprocessingDirective; |
142 | } |
143 | }; |
144 | |
145 | /// Record the location of a macro definition. |
146 | class MacroDefinitionRecord : public PreprocessingDirective { |
147 | /// The name of the macro being defined. |
148 | const IdentifierInfo *Name; |
149 | |
150 | public: |
151 | explicit MacroDefinitionRecord(const IdentifierInfo *Name, |
152 | SourceRange Range) |
153 | : PreprocessingDirective(MacroDefinitionKind, Range), Name(Name) {} |
154 | |
155 | /// Retrieve the name of the macro being defined. |
156 | const IdentifierInfo *getName() const { return Name; } |
157 | |
158 | /// Retrieve the location of the macro name in the definition. |
159 | SourceLocation getLocation() const { return getSourceRange().getBegin(); } |
160 | |
161 | // Implement isa/cast/dyncast/etc. |
162 | static bool classof(const PreprocessedEntity *PE) { |
163 | return PE->getKind() == MacroDefinitionKind; |
164 | } |
165 | }; |
166 | |
167 | /// Records the location of a macro expansion. |
168 | class MacroExpansion : public PreprocessedEntity { |
169 | /// The definition of this macro or the name of the macro if it is |
170 | /// a builtin macro. |
171 | llvm::PointerUnion<IdentifierInfo *, MacroDefinitionRecord *> NameOrDef; |
172 | |
173 | public: |
174 | MacroExpansion(IdentifierInfo *BuiltinName, SourceRange Range) |
175 | : PreprocessedEntity(MacroExpansionKind, Range), |
176 | NameOrDef(BuiltinName) {} |
177 | |
178 | MacroExpansion(MacroDefinitionRecord *Definition, SourceRange Range) |
179 | : PreprocessedEntity(MacroExpansionKind, Range), NameOrDef(Definition) { |
180 | } |
181 | |
182 | /// True if it is a builtin macro. |
183 | bool isBuiltinMacro() const { return NameOrDef.is<IdentifierInfo *>(); } |
184 | |
185 | /// The name of the macro being expanded. |
186 | const IdentifierInfo *getName() const { |
187 | if (MacroDefinitionRecord *Def = getDefinition()) |
188 | return Def->getName(); |
189 | return NameOrDef.get<IdentifierInfo *>(); |
190 | } |
191 | |
192 | /// The definition of the macro being expanded. May return null if |
193 | /// this is a builtin macro. |
194 | MacroDefinitionRecord *getDefinition() const { |
195 | return NameOrDef.dyn_cast<MacroDefinitionRecord *>(); |
196 | } |
197 | |
198 | // Implement isa/cast/dyncast/etc. |
199 | static bool classof(const PreprocessedEntity *PE) { |
200 | return PE->getKind() == MacroExpansionKind; |
201 | } |
202 | }; |
203 | |
204 | /// Record the location of an inclusion directive, such as an |
205 | /// \c \#include or \c \#import statement. |
206 | class InclusionDirective : public PreprocessingDirective { |
207 | public: |
208 | /// The kind of inclusion directives known to the |
209 | /// preprocessor. |
210 | enum InclusionKind { |
211 | /// An \c \#include directive. |
212 | Include, |
213 | |
214 | /// An Objective-C \c \#import directive. |
215 | Import, |
216 | |
217 | /// A GNU \c \#include_next directive. |
218 | IncludeNext, |
219 | |
220 | /// A Clang \c \#__include_macros directive. |
221 | IncludeMacros |
222 | }; |
223 | |
224 | private: |
225 | /// The name of the file that was included, as written in |
226 | /// the source. |
227 | StringRef FileName; |
228 | |
229 | /// Whether the file name was in quotation marks; otherwise, it was |
230 | /// in angle brackets. |
231 | LLVM_PREFERRED_TYPE(bool) |
232 | unsigned InQuotes : 1; |
233 | |
234 | /// The kind of inclusion directive we have. |
235 | /// |
236 | /// This is a value of type InclusionKind. |
237 | LLVM_PREFERRED_TYPE(InclusionKind) |
238 | unsigned Kind : 2; |
239 | |
240 | /// Whether the inclusion directive was automatically turned into |
241 | /// a module import. |
242 | LLVM_PREFERRED_TYPE(bool) |
243 | unsigned ImportedModule : 1; |
244 | |
245 | /// The file that was included. |
246 | OptionalFileEntryRef File; |
247 | |
248 | public: |
249 | InclusionDirective(PreprocessingRecord &PPRec, InclusionKind Kind, |
250 | StringRef FileName, bool InQuotes, bool ImportedModule, |
251 | OptionalFileEntryRef File, SourceRange Range); |
252 | |
253 | /// Determine what kind of inclusion directive this is. |
254 | InclusionKind getKind() const { return static_cast<InclusionKind>(Kind); } |
255 | |
256 | /// Retrieve the included file name as it was written in the source. |
257 | StringRef getFileName() const { return FileName; } |
258 | |
259 | /// Determine whether the included file name was written in quotes; |
260 | /// otherwise, it was written in angle brackets. |
261 | bool wasInQuotes() const { return InQuotes; } |
262 | |
263 | /// Determine whether the inclusion directive was automatically |
264 | /// turned into a module import. |
265 | bool importedModule() const { return ImportedModule; } |
266 | |
267 | /// Retrieve the file entry for the actual file that was included |
268 | /// by this directive. |
269 | OptionalFileEntryRef getFile() const { return File; } |
270 | |
271 | // Implement isa/cast/dyncast/etc. |
272 | static bool classof(const PreprocessedEntity *PE) { |
273 | return PE->getKind() == InclusionDirectiveKind; |
274 | } |
275 | }; |
276 | |
277 | /// An abstract class that should be subclassed by any external source |
278 | /// of preprocessing record entries. |
279 | class ExternalPreprocessingRecordSource { |
280 | public: |
281 | virtual ~ExternalPreprocessingRecordSource(); |
282 | |
283 | /// Read a preallocated preprocessed entity from the external source. |
284 | /// |
285 | /// \returns null if an error occurred that prevented the preprocessed |
286 | /// entity from being loaded. |
287 | virtual PreprocessedEntity *ReadPreprocessedEntity(unsigned Index) = 0; |
288 | |
289 | /// Returns a pair of [Begin, End) indices of preallocated |
290 | /// preprocessed entities that \p Range encompasses. |
291 | virtual std::pair<unsigned, unsigned> |
292 | findPreprocessedEntitiesInRange(SourceRange Range) = 0; |
293 | |
294 | /// Optionally returns true or false if the preallocated preprocessed |
295 | /// entity with index \p Index came from file \p FID. |
296 | virtual std::optional<bool> isPreprocessedEntityInFileID(unsigned Index, |
297 | FileID FID) { |
298 | return std::nullopt; |
299 | } |
300 | |
301 | /// Read a preallocated skipped range from the external source. |
302 | virtual SourceRange ReadSkippedRange(unsigned Index) = 0; |
303 | }; |
304 | |
305 | /// A record of the steps taken while preprocessing a source file, |
306 | /// including the various preprocessing directives processed, macros |
307 | /// expanded, etc. |
308 | class PreprocessingRecord : public PPCallbacks { |
309 | SourceManager &SourceMgr; |
310 | |
311 | /// Allocator used to store preprocessing objects. |
312 | llvm::BumpPtrAllocator BumpAlloc; |
313 | |
314 | /// The set of preprocessed entities in this record, in order they |
315 | /// were seen. |
316 | std::vector<PreprocessedEntity *> PreprocessedEntities; |
317 | |
318 | /// The set of preprocessed entities in this record that have been |
319 | /// loaded from external sources. |
320 | /// |
321 | /// The entries in this vector are loaded lazily from the external source, |
322 | /// and are referenced by the iterator using negative indices. |
323 | std::vector<PreprocessedEntity *> LoadedPreprocessedEntities; |
324 | |
325 | /// The set of ranges that were skipped by the preprocessor, |
326 | std::vector<SourceRange> SkippedRanges; |
327 | |
328 | bool SkippedRangesAllLoaded = true; |
329 | |
330 | /// Global (loaded or local) ID for a preprocessed entity. |
331 | /// Negative values are used to indicate preprocessed entities |
332 | /// loaded from the external source while non-negative values are used to |
333 | /// indicate preprocessed entities introduced by the current preprocessor. |
334 | /// Value -1 corresponds to element 0 in the loaded entities vector, |
335 | /// value -2 corresponds to element 1 in the loaded entities vector, etc. |
336 | /// Value 0 is an invalid value, the index to local entities is 1-based, |
337 | /// value 1 corresponds to element 0 in the local entities vector, |
338 | /// value 2 corresponds to element 1 in the local entities vector, etc. |
339 | class PPEntityID { |
340 | friend class PreprocessingRecord; |
341 | |
342 | int ID = 0; |
343 | |
344 | explicit PPEntityID(int ID) : ID(ID) {} |
345 | |
346 | public: |
347 | PPEntityID() = default; |
348 | }; |
349 | |
350 | static PPEntityID getPPEntityID(unsigned Index, bool isLoaded) { |
351 | return isLoaded ? PPEntityID(-int(Index)-1) : PPEntityID(Index+1); |
352 | } |
353 | |
354 | /// Mapping from MacroInfo structures to their definitions. |
355 | llvm::DenseMap<const MacroInfo *, MacroDefinitionRecord *> MacroDefinitions; |
356 | |
357 | /// External source of preprocessed entities. |
358 | ExternalPreprocessingRecordSource *ExternalSource = nullptr; |
359 | |
360 | /// Retrieve the preprocessed entity at the given ID. |
361 | PreprocessedEntity *getPreprocessedEntity(PPEntityID PPID); |
362 | |
363 | /// Retrieve the loaded preprocessed entity at the given index. |
364 | PreprocessedEntity *getLoadedPreprocessedEntity(unsigned Index); |
365 | |
366 | /// Determine the number of preprocessed entities that were |
367 | /// loaded (or can be loaded) from an external source. |
368 | unsigned getNumLoadedPreprocessedEntities() const { |
369 | return LoadedPreprocessedEntities.size(); |
370 | } |
371 | |
372 | /// Returns a pair of [Begin, End) indices of local preprocessed |
373 | /// entities that \p Range encompasses. |
374 | std::pair<unsigned, unsigned> |
375 | findLocalPreprocessedEntitiesInRange(SourceRange Range) const; |
376 | unsigned findBeginLocalPreprocessedEntity(SourceLocation Loc) const; |
377 | unsigned findEndLocalPreprocessedEntity(SourceLocation Loc) const; |
378 | |
379 | /// Allocate space for a new set of loaded preprocessed entities. |
380 | /// |
381 | /// \returns The index into the set of loaded preprocessed entities, which |
382 | /// corresponds to the first newly-allocated entity. |
383 | unsigned allocateLoadedEntities(unsigned NumEntities); |
384 | |
385 | /// Allocate space for a new set of loaded preprocessed skipped |
386 | /// ranges. |
387 | /// |
388 | /// \returns The index into the set of loaded preprocessed ranges, which |
389 | /// corresponds to the first newly-allocated range. |
390 | unsigned allocateSkippedRanges(unsigned NumRanges); |
391 | |
392 | /// Ensures that all external skipped ranges have been loaded. |
393 | void ensureSkippedRangesLoaded(); |
394 | |
395 | /// Register a new macro definition. |
396 | void RegisterMacroDefinition(MacroInfo *Macro, MacroDefinitionRecord *Def); |
397 | |
398 | public: |
399 | /// Construct a new preprocessing record. |
400 | explicit PreprocessingRecord(SourceManager &SM); |
401 | |
402 | /// Allocate memory in the preprocessing record. |
403 | void *Allocate(unsigned Size, unsigned Align = 8) { |
404 | return BumpAlloc.Allocate(Size, Alignment: Align); |
405 | } |
406 | |
407 | /// Deallocate memory in the preprocessing record. |
408 | void Deallocate(void *Ptr) {} |
409 | |
410 | size_t getTotalMemory() const; |
411 | |
412 | SourceManager &getSourceManager() const { return SourceMgr; } |
413 | |
414 | /// Iteration over the preprocessed entities. |
415 | /// |
416 | /// In a complete iteration, the iterator walks the range [-M, N), |
417 | /// where negative values are used to indicate preprocessed entities |
418 | /// loaded from the external source while non-negative values are used to |
419 | /// indicate preprocessed entities introduced by the current preprocessor. |
420 | /// However, to provide iteration in source order (for, e.g., chained |
421 | /// precompiled headers), dereferencing the iterator flips the negative |
422 | /// values (corresponding to loaded entities), so that position -M |
423 | /// corresponds to element 0 in the loaded entities vector, position -M+1 |
424 | /// corresponds to element 1 in the loaded entities vector, etc. This |
425 | /// gives us a reasonably efficient, source-order walk. |
426 | /// |
427 | /// We define this as a wrapping iterator around an int. The |
428 | /// iterator_adaptor_base class forwards the iterator methods to basic |
429 | /// integer arithmetic. |
430 | class iterator : public llvm::iterator_adaptor_base< |
431 | iterator, int, std::random_access_iterator_tag, |
432 | PreprocessedEntity *, int, PreprocessedEntity *, |
433 | PreprocessedEntity *> { |
434 | friend class PreprocessingRecord; |
435 | |
436 | PreprocessingRecord *Self; |
437 | |
438 | iterator(PreprocessingRecord *Self, int Position) |
439 | : iterator::iterator_adaptor_base(Position), Self(Self) {} |
440 | |
441 | public: |
442 | iterator() : iterator(nullptr, 0) {} |
443 | |
444 | PreprocessedEntity *operator*() const { |
445 | bool isLoaded = this->I < 0; |
446 | unsigned Index = isLoaded ? |
447 | Self->LoadedPreprocessedEntities.size() + this->I : this->I; |
448 | PPEntityID ID = Self->getPPEntityID(Index, isLoaded); |
449 | return Self->getPreprocessedEntity(PPID: ID); |
450 | } |
451 | PreprocessedEntity *operator->() const { return **this; } |
452 | }; |
453 | |
454 | /// Begin iterator for all preprocessed entities. |
455 | iterator begin() { |
456 | return iterator(this, -(int)LoadedPreprocessedEntities.size()); |
457 | } |
458 | |
459 | /// End iterator for all preprocessed entities. |
460 | iterator end() { |
461 | return iterator(this, PreprocessedEntities.size()); |
462 | } |
463 | |
464 | /// Begin iterator for local, non-loaded, preprocessed entities. |
465 | iterator local_begin() { |
466 | return iterator(this, 0); |
467 | } |
468 | |
469 | /// End iterator for local, non-loaded, preprocessed entities. |
470 | iterator local_end() { |
471 | return iterator(this, PreprocessedEntities.size()); |
472 | } |
473 | |
474 | /// iterator range for the given range of loaded |
475 | /// preprocessed entities. |
476 | llvm::iterator_range<iterator> getIteratorsForLoadedRange(unsigned start, |
477 | unsigned count) { |
478 | unsigned end = start + count; |
479 | assert(end <= LoadedPreprocessedEntities.size()); |
480 | return llvm::make_range( |
481 | x: iterator(this, int(start) - LoadedPreprocessedEntities.size()), |
482 | y: iterator(this, int(end) - LoadedPreprocessedEntities.size())); |
483 | } |
484 | |
485 | /// Returns a range of preprocessed entities that source range \p R |
486 | /// encompasses. |
487 | /// |
488 | /// \param R the range to look for preprocessed entities. |
489 | llvm::iterator_range<iterator> |
490 | getPreprocessedEntitiesInRange(SourceRange R); |
491 | |
492 | /// Returns true if the preprocessed entity that \p PPEI iterator |
493 | /// points to is coming from the file \p FID. |
494 | /// |
495 | /// Can be used to avoid implicit deserializations of preallocated |
496 | /// preprocessed entities if we only care about entities of a specific file |
497 | /// and not from files \#included in the range given at |
498 | /// \see getPreprocessedEntitiesInRange. |
499 | bool isEntityInFileID(iterator PPEI, FileID FID); |
500 | |
501 | /// Add a new preprocessed entity to this record. |
502 | PPEntityID addPreprocessedEntity(PreprocessedEntity *Entity); |
503 | |
504 | /// Set the external source for preprocessed entities. |
505 | void SetExternalSource(ExternalPreprocessingRecordSource &Source); |
506 | |
507 | /// Retrieve the external source for preprocessed entities. |
508 | ExternalPreprocessingRecordSource *getExternalSource() const { |
509 | return ExternalSource; |
510 | } |
511 | |
512 | /// Retrieve the macro definition that corresponds to the given |
513 | /// \c MacroInfo. |
514 | MacroDefinitionRecord *findMacroDefinition(const MacroInfo *MI); |
515 | |
516 | /// Retrieve all ranges that got skipped while preprocessing. |
517 | const std::vector<SourceRange> &getSkippedRanges() { |
518 | ensureSkippedRangesLoaded(); |
519 | return SkippedRanges; |
520 | } |
521 | |
522 | private: |
523 | friend class ASTReader; |
524 | friend class ASTWriter; |
525 | |
526 | void MacroExpands(const Token &Id, const MacroDefinition &MD, |
527 | SourceRange Range, const MacroArgs *Args) override; |
528 | void MacroDefined(const Token &Id, const MacroDirective *MD) override; |
529 | void MacroUndefined(const Token &Id, const MacroDefinition &MD, |
530 | const MacroDirective *Undef) override; |
531 | void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok, |
532 | StringRef FileName, bool IsAngled, |
533 | CharSourceRange FilenameRange, |
534 | OptionalFileEntryRef File, StringRef SearchPath, |
535 | StringRef RelativePath, |
536 | const Module *SuggestedModule, bool ModuleImported, |
537 | SrcMgr::CharacteristicKind FileType) override; |
538 | void Ifdef(SourceLocation Loc, const Token &MacroNameTok, |
539 | const MacroDefinition &MD) override; |
540 | void Ifndef(SourceLocation Loc, const Token &MacroNameTok, |
541 | const MacroDefinition &MD) override; |
542 | |
543 | using PPCallbacks::Elifdef; |
544 | using PPCallbacks::Elifndef; |
545 | void Elifdef(SourceLocation Loc, const Token &MacroNameTok, |
546 | const MacroDefinition &MD) override; |
547 | void Elifndef(SourceLocation Loc, const Token &MacroNameTok, |
548 | const MacroDefinition &MD) override; |
549 | |
550 | /// Hook called whenever the 'defined' operator is seen. |
551 | void Defined(const Token &MacroNameTok, const MacroDefinition &MD, |
552 | SourceRange Range) override; |
553 | |
554 | void SourceRangeSkipped(SourceRange Range, |
555 | SourceLocation EndifLoc) override; |
556 | |
557 | void addMacroExpansion(const Token &Id, const MacroInfo *MI, |
558 | SourceRange Range); |
559 | |
560 | /// Cached result of the last \see getPreprocessedEntitiesInRange |
561 | /// query. |
562 | struct { |
563 | SourceRange Range; |
564 | std::pair<int, int> Result; |
565 | } CachedRangeQuery; |
566 | |
567 | std::pair<int, int> getPreprocessedEntitiesInRangeSlow(SourceRange R); |
568 | }; |
569 | |
570 | } // namespace clang |
571 | |
572 | inline void *operator new(size_t bytes, clang::PreprocessingRecord &PR, |
573 | unsigned alignment) noexcept { |
574 | return PR.Allocate(Size: bytes, Align: alignment); |
575 | } |
576 | |
577 | inline void operator delete(void *ptr, clang::PreprocessingRecord &PR, |
578 | unsigned) noexcept { |
579 | PR.Deallocate(Ptr: ptr); |
580 | } |
581 | |
582 | #endif // LLVM_CLANG_LEX_PREPROCESSINGRECORD_H |
583 | |