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34 | #ifndef LLVM_CLANG_BASIC_SOURCEMANAGER_H |
35 | #define LLVM_CLANG_BASIC_SOURCEMANAGER_H |
36 | |
37 | #include "clang/Basic/Diagnostic.h" |
38 | #include "clang/Basic/FileManager.h" |
39 | #include "clang/Basic/SourceLocation.h" |
40 | #include "llvm/ADT/ArrayRef.h" |
41 | #include "llvm/ADT/BitVector.h" |
42 | #include "llvm/ADT/DenseMap.h" |
43 | #include "llvm/ADT/DenseSet.h" |
44 | #include "llvm/ADT/IntrusiveRefCntPtr.h" |
45 | #include "llvm/ADT/PointerIntPair.h" |
46 | #include "llvm/ADT/SmallVector.h" |
47 | #include "llvm/ADT/StringRef.h" |
48 | #include "llvm/Support/Allocator.h" |
49 | #include "llvm/Support/Compiler.h" |
50 | #include "llvm/Support/MemoryBuffer.h" |
51 | #include <cassert> |
52 | #include <cstddef> |
53 | #include <map> |
54 | #include <memory> |
55 | #include <string> |
56 | #include <utility> |
57 | #include <vector> |
58 | |
59 | namespace clang { |
60 | |
61 | class ASTReader; |
62 | class ASTWriter; |
63 | class LineTableInfo; |
64 | class SourceManager; |
65 | |
66 | |
67 | |
68 | namespace SrcMgr { |
69 | |
70 | |
71 | |
72 | |
73 | |
74 | |
75 | |
76 | |
77 | enum CharacteristicKind { |
78 | C_User, C_System, C_ExternCSystem, C_User_ModuleMap, C_System_ModuleMap |
79 | }; |
80 | |
81 | |
82 | inline bool isSystem(CharacteristicKind CK) { |
83 | return CK != C_User && CK != C_User_ModuleMap; |
84 | } |
85 | |
86 | |
87 | inline bool isModuleMap(CharacteristicKind CK) { |
88 | return CK == C_User_ModuleMap || CK == C_System_ModuleMap; |
89 | } |
90 | |
91 | |
92 | |
93 | |
94 | class alignas(8) ContentCache { |
95 | enum CCFlags { |
96 | |
97 | InvalidFlag = 0x01, |
98 | |
99 | |
100 | DoNotFreeFlag = 0x02 |
101 | }; |
102 | |
103 | |
104 | |
105 | |
106 | |
107 | |
108 | mutable llvm::PointerIntPair<llvm::MemoryBuffer *, 2> Buffer; |
109 | |
110 | public: |
111 | |
112 | |
113 | |
114 | |
115 | |
116 | |
117 | const FileEntry *OrigEntry; |
118 | |
119 | |
120 | |
121 | |
122 | |
123 | const FileEntry *ContentsEntry; |
124 | |
125 | |
126 | |
127 | |
128 | |
129 | unsigned *SourceLineCache = nullptr; |
130 | |
131 | |
132 | |
133 | |
134 | unsigned NumLines = 0; |
135 | |
136 | |
137 | |
138 | |
139 | |
140 | |
141 | unsigned BufferOverridden : 1; |
142 | |
143 | |
144 | |
145 | unsigned IsSystemFile : 1; |
146 | |
147 | |
148 | |
149 | |
150 | unsigned IsTransient : 1; |
151 | |
152 | ContentCache(const FileEntry *Ent = nullptr) : ContentCache(Ent, Ent) {} |
153 | |
154 | ContentCache(const FileEntry *Ent, const FileEntry *contentEnt) |
155 | : Buffer(nullptr, false), OrigEntry(Ent), ContentsEntry(contentEnt), |
156 | BufferOverridden(false), IsSystemFile(false), IsTransient(false) {} |
157 | |
158 | |
159 | |
160 | |
161 | ContentCache(const ContentCache &RHS) |
162 | : Buffer(nullptr, false), BufferOverridden(false), IsSystemFile(false), |
163 | IsTransient(false) { |
164 | OrigEntry = RHS.OrigEntry; |
165 | ContentsEntry = RHS.ContentsEntry; |
166 | |
167 | (0) . __assert_fail ("RHS.Buffer.getPointer() == nullptr && RHS.SourceLineCache == nullptr && \"Passed ContentCache object cannot own a buffer.\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 169, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(RHS.Buffer.getPointer() == nullptr && |
168 | (0) . __assert_fail ("RHS.Buffer.getPointer() == nullptr && RHS.SourceLineCache == nullptr && \"Passed ContentCache object cannot own a buffer.\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 169, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> RHS.SourceLineCache == nullptr && |
169 | (0) . __assert_fail ("RHS.Buffer.getPointer() == nullptr && RHS.SourceLineCache == nullptr && \"Passed ContentCache object cannot own a buffer.\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 169, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> "Passed ContentCache object cannot own a buffer."); |
170 | |
171 | NumLines = RHS.NumLines; |
172 | } |
173 | |
174 | ContentCache &operator=(const ContentCache& RHS) = delete; |
175 | |
176 | ~ContentCache(); |
177 | |
178 | |
179 | |
180 | |
181 | |
182 | |
183 | |
184 | |
185 | |
186 | |
187 | llvm::MemoryBuffer *getBuffer(DiagnosticsEngine &Diag, |
188 | const SourceManager &SM, |
189 | SourceLocation Loc = SourceLocation(), |
190 | bool *Invalid = nullptr) const; |
191 | |
192 | |
193 | |
194 | |
195 | |
196 | |
197 | |
198 | unsigned getSize() const; |
199 | |
200 | |
201 | |
202 | |
203 | |
204 | unsigned getSizeBytesMapped() const; |
205 | |
206 | |
207 | |
208 | llvm::MemoryBuffer::BufferKind getMemoryBufferKind() const; |
209 | |
210 | |
211 | |
212 | llvm::MemoryBuffer *getRawBuffer() const { return Buffer.getPointer(); } |
213 | |
214 | |
215 | |
216 | void replaceBuffer(llvm::MemoryBuffer *B, bool DoNotFree = false); |
217 | |
218 | |
219 | bool isBufferInvalid() const { |
220 | return Buffer.getInt() & InvalidFlag; |
221 | } |
222 | |
223 | |
224 | bool shouldFreeBuffer() const { |
225 | return (Buffer.getInt() & DoNotFreeFlag) == 0; |
226 | } |
227 | }; |
228 | |
229 | |
230 | |
231 | static_assert(alignof(ContentCache) >= 8, |
232 | "ContentCache must be 8-byte aligned."); |
233 | |
234 | |
235 | |
236 | |
237 | |
238 | |
239 | |
240 | |
241 | |
242 | |
243 | class FileInfo { |
244 | friend class clang::SourceManager; |
245 | friend class clang::ASTWriter; |
246 | friend class clang::ASTReader; |
247 | |
248 | |
249 | |
250 | |
251 | unsigned IncludeLoc; |
252 | |
253 | |
254 | |
255 | |
256 | |
257 | unsigned NumCreatedFIDs : 31; |
258 | |
259 | |
260 | unsigned HasLineDirectives : 1; |
261 | |
262 | |
263 | llvm::PointerIntPair<const ContentCache*, 3, CharacteristicKind> |
264 | ContentAndKind; |
265 | |
266 | public: |
267 | |
268 | static FileInfo get(SourceLocation IL, const ContentCache *Con, |
269 | CharacteristicKind FileCharacter) { |
270 | FileInfo X; |
271 | X.IncludeLoc = IL.getRawEncoding(); |
272 | X.NumCreatedFIDs = 0; |
273 | X.HasLineDirectives = false; |
274 | X.ContentAndKind.setPointer(Con); |
275 | X.ContentAndKind.setInt(FileCharacter); |
276 | return X; |
277 | } |
278 | |
279 | SourceLocation getIncludeLoc() const { |
280 | return SourceLocation::getFromRawEncoding(IncludeLoc); |
281 | } |
282 | |
283 | const ContentCache *getContentCache() const { |
284 | return ContentAndKind.getPointer(); |
285 | } |
286 | |
287 | |
288 | CharacteristicKind getFileCharacteristic() const { |
289 | return ContentAndKind.getInt(); |
290 | } |
291 | |
292 | |
293 | bool hasLineDirectives() const { return HasLineDirectives; } |
294 | |
295 | |
296 | |
297 | void setHasLineDirectives() { |
298 | HasLineDirectives = true; |
299 | } |
300 | }; |
301 | |
302 | |
303 | |
304 | |
305 | class ExpansionInfo { |
306 | |
307 | |
308 | |
309 | unsigned SpellingLoc; |
310 | |
311 | |
312 | |
313 | |
314 | |
315 | |
316 | |
317 | unsigned ExpansionLocStart, ExpansionLocEnd; |
318 | |
319 | |
320 | bool ExpansionIsTokenRange; |
321 | |
322 | public: |
323 | SourceLocation getSpellingLoc() const { |
324 | SourceLocation SpellLoc = SourceLocation::getFromRawEncoding(SpellingLoc); |
325 | return SpellLoc.isInvalid() ? getExpansionLocStart() : SpellLoc; |
326 | } |
327 | |
328 | SourceLocation getExpansionLocStart() const { |
329 | return SourceLocation::getFromRawEncoding(ExpansionLocStart); |
330 | } |
331 | |
332 | SourceLocation getExpansionLocEnd() const { |
333 | SourceLocation EndLoc = |
334 | SourceLocation::getFromRawEncoding(ExpansionLocEnd); |
335 | return EndLoc.isInvalid() ? getExpansionLocStart() : EndLoc; |
336 | } |
337 | |
338 | bool isExpansionTokenRange() const { |
339 | return ExpansionIsTokenRange; |
340 | } |
341 | |
342 | CharSourceRange getExpansionLocRange() const { |
343 | return CharSourceRange( |
344 | SourceRange(getExpansionLocStart(), getExpansionLocEnd()), |
345 | isExpansionTokenRange()); |
346 | } |
347 | |
348 | bool isMacroArgExpansion() const { |
349 | |
350 | return getExpansionLocStart().isValid() && |
351 | SourceLocation::getFromRawEncoding(ExpansionLocEnd).isInvalid(); |
352 | } |
353 | |
354 | bool isMacroBodyExpansion() const { |
355 | return getExpansionLocStart().isValid() && |
356 | SourceLocation::getFromRawEncoding(ExpansionLocEnd).isValid(); |
357 | } |
358 | |
359 | bool isFunctionMacroExpansion() const { |
360 | return getExpansionLocStart().isValid() && |
361 | getExpansionLocStart() != getExpansionLocEnd(); |
362 | } |
363 | |
364 | |
365 | |
366 | |
367 | |
368 | |
369 | |
370 | static ExpansionInfo create(SourceLocation SpellingLoc, |
371 | SourceLocation Start, SourceLocation End, |
372 | bool ExpansionIsTokenRange = true) { |
373 | ExpansionInfo X; |
374 | X.SpellingLoc = SpellingLoc.getRawEncoding(); |
375 | X.ExpansionLocStart = Start.getRawEncoding(); |
376 | X.ExpansionLocEnd = End.getRawEncoding(); |
377 | X.ExpansionIsTokenRange = ExpansionIsTokenRange; |
378 | return X; |
379 | } |
380 | |
381 | |
382 | |
383 | |
384 | |
385 | |
386 | |
387 | |
388 | |
389 | |
390 | |
391 | |
392 | |
393 | |
394 | |
395 | |
396 | |
397 | |
398 | |
399 | |
400 | static ExpansionInfo createForMacroArg(SourceLocation SpellingLoc, |
401 | SourceLocation ExpansionLoc) { |
402 | |
403 | |
404 | |
405 | return create(SpellingLoc, ExpansionLoc, SourceLocation()); |
406 | } |
407 | |
408 | |
409 | |
410 | |
411 | |
412 | |
413 | static ExpansionInfo createForTokenSplit(SourceLocation SpellingLoc, |
414 | SourceLocation Start, |
415 | SourceLocation End) { |
416 | return create(SpellingLoc, Start, End, false); |
417 | } |
418 | }; |
419 | |
420 | |
421 | |
422 | |
423 | |
424 | class SLocEntry { |
425 | unsigned Offset : 31; |
426 | unsigned IsExpansion : 1; |
427 | union { |
428 | FileInfo File; |
429 | ExpansionInfo Expansion; |
430 | }; |
431 | |
432 | public: |
433 | SLocEntry() : Offset(), IsExpansion(), File() {} |
434 | |
435 | unsigned getOffset() const { return Offset; } |
436 | |
437 | bool isExpansion() const { return IsExpansion; } |
438 | bool isFile() const { return !isExpansion(); } |
439 | |
440 | const FileInfo &getFile() const { |
441 | (0) . __assert_fail ("isFile() && \"Not a file SLocEntry!\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 441, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(isFile() && "Not a file SLocEntry!"); |
442 | return File; |
443 | } |
444 | |
445 | const ExpansionInfo &getExpansion() const { |
446 | (0) . __assert_fail ("isExpansion() && \"Not a macro expansion SLocEntry!\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 446, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(isExpansion() && "Not a macro expansion SLocEntry!"); |
447 | return Expansion; |
448 | } |
449 | |
450 | static SLocEntry get(unsigned Offset, const FileInfo &FI) { |
451 | (0) . __assert_fail ("!(Offset & (1u << 31)) && \"Offset is too large\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 451, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(!(Offset & (1u << 31)) && "Offset is too large"); |
452 | SLocEntry E; |
453 | E.Offset = Offset; |
454 | E.IsExpansion = false; |
455 | E.File = FI; |
456 | return E; |
457 | } |
458 | |
459 | static SLocEntry get(unsigned Offset, const ExpansionInfo &Expansion) { |
460 | (0) . __assert_fail ("!(Offset & (1u << 31)) && \"Offset is too large\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 460, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(!(Offset & (1u << 31)) && "Offset is too large"); |
461 | SLocEntry E; |
462 | E.Offset = Offset; |
463 | E.IsExpansion = true; |
464 | E.Expansion = Expansion; |
465 | return E; |
466 | } |
467 | }; |
468 | |
469 | } |
470 | |
471 | |
472 | class ExternalSLocEntrySource { |
473 | public: |
474 | virtual ~ExternalSLocEntrySource(); |
475 | |
476 | |
477 | |
478 | |
479 | |
480 | |
481 | virtual bool ReadSLocEntry(int ID) = 0; |
482 | |
483 | |
484 | |
485 | |
486 | virtual std::pair<SourceLocation, StringRef> getModuleImportLoc(int ID) = 0; |
487 | }; |
488 | |
489 | |
490 | |
491 | |
492 | |
493 | class InBeforeInTUCacheEntry { |
494 | |
495 | |
496 | |
497 | FileID LQueryFID, RQueryFID; |
498 | |
499 | |
500 | |
501 | |
502 | bool IsLQFIDBeforeRQFID; |
503 | |
504 | |
505 | |
506 | FileID CommonFID; |
507 | |
508 | |
509 | |
510 | |
511 | |
512 | |
513 | unsigned LCommonOffset, RCommonOffset; |
514 | |
515 | public: |
516 | |
517 | |
518 | |
519 | |
520 | bool isCacheValid(FileID LHS, FileID RHS) const { |
521 | return LQueryFID == LHS && RQueryFID == RHS; |
522 | } |
523 | |
524 | |
525 | |
526 | bool getCachedResult(unsigned LOffset, unsigned ROffset) const { |
527 | |
528 | |
529 | if (LQueryFID != CommonFID) LOffset = LCommonOffset; |
530 | if (RQueryFID != CommonFID) ROffset = RCommonOffset; |
531 | |
532 | |
533 | |
534 | |
535 | |
536 | |
537 | if (LOffset == ROffset) |
538 | return IsLQFIDBeforeRQFID; |
539 | |
540 | return LOffset < ROffset; |
541 | } |
542 | |
543 | |
544 | void setQueryFIDs(FileID LHS, FileID RHS, bool isLFIDBeforeRFID) { |
545 | assert(LHS != RHS); |
546 | LQueryFID = LHS; |
547 | RQueryFID = RHS; |
548 | IsLQFIDBeforeRQFID = isLFIDBeforeRFID; |
549 | } |
550 | |
551 | void clear() { |
552 | LQueryFID = RQueryFID = FileID(); |
553 | IsLQFIDBeforeRQFID = false; |
554 | } |
555 | |
556 | void setCommonLoc(FileID commonFID, unsigned lCommonOffset, |
557 | unsigned rCommonOffset) { |
558 | CommonFID = commonFID; |
559 | LCommonOffset = lCommonOffset; |
560 | RCommonOffset = rCommonOffset; |
561 | } |
562 | }; |
563 | |
564 | |
565 | |
566 | |
567 | using ModuleBuildStack = ArrayRef<std::pair<std::string, FullSourceLoc>>; |
568 | |
569 | |
570 | |
571 | |
572 | |
573 | |
574 | |
575 | |
576 | |
577 | |
578 | |
579 | |
580 | |
581 | class SourceManager : public RefCountedBase<SourceManager> { |
582 | |
583 | DiagnosticsEngine &Diag; |
584 | |
585 | FileManager &FileMgr; |
586 | |
587 | mutable llvm::BumpPtrAllocator ContentCacheAlloc; |
588 | |
589 | |
590 | |
591 | |
592 | |
593 | |
594 | |
595 | llvm::DenseMap<const FileEntry*, SrcMgr::ContentCache*> FileInfos; |
596 | |
597 | |
598 | |
599 | bool OverridenFilesKeepOriginalName = true; |
600 | |
601 | |
602 | |
603 | bool UserFilesAreVolatile; |
604 | |
605 | |
606 | |
607 | |
608 | bool FilesAreTransient = false; |
609 | |
610 | struct OverriddenFilesInfoTy { |
611 | |
612 | |
613 | llvm::DenseMap<const FileEntry *, const FileEntry *> OverriddenFiles; |
614 | |
615 | |
616 | llvm::DenseSet<const FileEntry *> OverriddenFilesWithBuffer; |
617 | }; |
618 | |
619 | |
620 | |
621 | std::unique_ptr<OverriddenFilesInfoTy> OverriddenFilesInfo; |
622 | |
623 | OverriddenFilesInfoTy &getOverriddenFilesInfo() { |
624 | if (!OverriddenFilesInfo) |
625 | OverriddenFilesInfo.reset(new OverriddenFilesInfoTy); |
626 | return *OverriddenFilesInfo; |
627 | } |
628 | |
629 | |
630 | |
631 | |
632 | |
633 | std::vector<SrcMgr::ContentCache*> MemBufferInfos; |
634 | |
635 | |
636 | |
637 | |
638 | |
639 | SmallVector<SrcMgr::SLocEntry, 0> LocalSLocEntryTable; |
640 | |
641 | |
642 | |
643 | |
644 | |
645 | mutable SmallVector<SrcMgr::SLocEntry, 0> LoadedSLocEntryTable; |
646 | |
647 | |
648 | |
649 | |
650 | unsigned NextLocalOffset; |
651 | |
652 | |
653 | |
654 | |
655 | |
656 | unsigned CurrentLoadedOffset; |
657 | |
658 | |
659 | |
660 | static const unsigned MaxLoadedOffset = 1U << 31U; |
661 | |
662 | |
663 | |
664 | |
665 | |
666 | llvm::BitVector SLocEntryLoaded; |
667 | |
668 | |
669 | ExternalSLocEntrySource *ExternalSLocEntries = nullptr; |
670 | |
671 | |
672 | |
673 | |
674 | |
675 | mutable FileID LastFileIDLookup; |
676 | |
677 | |
678 | |
679 | |
680 | LineTableInfo *LineTable = nullptr; |
681 | |
682 | |
683 | |
684 | mutable FileID LastLineNoFileIDQuery; |
685 | mutable SrcMgr::ContentCache *LastLineNoContentCache; |
686 | mutable unsigned LastLineNoFilePos; |
687 | mutable unsigned LastLineNoResult; |
688 | |
689 | |
690 | FileID MainFileID; |
691 | |
692 | |
693 | FileID PreambleFileID; |
694 | |
695 | |
696 | mutable unsigned NumLinearScans = 0; |
697 | mutable unsigned NumBinaryProbes = 0; |
698 | |
699 | |
700 | |
701 | |
702 | |
703 | |
704 | mutable llvm::DenseMap<FileID, std::pair<FileID, unsigned>> IncludedLocMap; |
705 | |
706 | |
707 | using IsBeforeInTUCacheKey = std::pair<FileID, FileID>; |
708 | |
709 | |
710 | |
711 | using InBeforeInTUCache = |
712 | llvm::DenseMap<IsBeforeInTUCacheKey, InBeforeInTUCacheEntry>; |
713 | |
714 | |
715 | mutable InBeforeInTUCache IBTUCache; |
716 | mutable InBeforeInTUCacheEntry IBTUCacheOverflow; |
717 | |
718 | |
719 | |
720 | InBeforeInTUCacheEntry &getInBeforeInTUCache(FileID LFID, FileID RFID) const; |
721 | |
722 | |
723 | mutable std::unique_ptr<llvm::MemoryBuffer> FakeBufferForRecovery; |
724 | |
725 | mutable std::unique_ptr<SrcMgr::ContentCache> FakeContentCacheForRecovery; |
726 | |
727 | |
728 | |
729 | using MacroArgsMap = std::map<unsigned, SourceLocation>; |
730 | |
731 | mutable llvm::DenseMap<FileID, std::unique_ptr<MacroArgsMap>> |
732 | MacroArgsCacheMap; |
733 | |
734 | |
735 | |
736 | |
737 | |
738 | |
739 | |
740 | |
741 | SmallVector<std::pair<std::string, FullSourceLoc>, 2> StoredModuleBuildStack; |
742 | |
743 | public: |
744 | SourceManager(DiagnosticsEngine &Diag, FileManager &FileMgr, |
745 | bool UserFilesAreVolatile = false); |
746 | explicit SourceManager(const SourceManager &) = delete; |
747 | SourceManager &operator=(const SourceManager &) = delete; |
748 | ~SourceManager(); |
749 | |
750 | void clearIDTables(); |
751 | |
752 | |
753 | |
754 | void initializeForReplay(const SourceManager &Old); |
755 | |
756 | DiagnosticsEngine &getDiagnostics() const { return Diag; } |
757 | |
758 | FileManager &getFileManager() const { return FileMgr; } |
759 | |
760 | |
761 | |
762 | |
763 | void setOverridenFilesKeepOriginalName(bool value) { |
764 | OverridenFilesKeepOriginalName = value; |
765 | } |
766 | |
767 | |
768 | |
769 | bool userFilesAreVolatile() const { return UserFilesAreVolatile; } |
770 | |
771 | |
772 | ModuleBuildStack getModuleBuildStack() const { |
773 | return StoredModuleBuildStack; |
774 | } |
775 | |
776 | |
777 | void setModuleBuildStack(ModuleBuildStack stack) { |
778 | StoredModuleBuildStack.clear(); |
779 | StoredModuleBuildStack.append(stack.begin(), stack.end()); |
780 | } |
781 | |
782 | |
783 | void pushModuleBuildStack(StringRef moduleName, FullSourceLoc importLoc) { |
784 | StoredModuleBuildStack.push_back(std::make_pair(moduleName.str(),importLoc)); |
785 | } |
786 | |
787 | |
788 | |
789 | |
790 | |
791 | |
792 | FileID getMainFileID() const { return MainFileID; } |
793 | |
794 | |
795 | void setMainFileID(FileID FID) { |
796 | MainFileID = FID; |
797 | } |
798 | |
799 | |
800 | void setPreambleFileID(FileID Preamble) { |
801 | (0) . __assert_fail ("PreambleFileID.isInvalid() && \"PreambleFileID already set!\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 801, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(PreambleFileID.isInvalid() && "PreambleFileID already set!"); |
802 | PreambleFileID = Preamble; |
803 | } |
804 | |
805 | |
806 | FileID getPreambleFileID() const { return PreambleFileID; } |
807 | |
808 | |
809 | |
810 | |
811 | |
812 | |
813 | |
814 | |
815 | |
816 | FileID createFileID(const FileEntry *SourceFile, SourceLocation IncludePos, |
817 | SrcMgr::CharacteristicKind FileCharacter, |
818 | int LoadedID = 0, unsigned LoadedOffset = 0) { |
819 | const SrcMgr::ContentCache *IR = |
820 | getOrCreateContentCache(SourceFile, isSystem(FileCharacter)); |
821 | (0) . __assert_fail ("IR && \"getOrCreateContentCache() cannot return NULL\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 821, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(IR && "getOrCreateContentCache() cannot return NULL"); |
822 | return createFileID(IR, IncludePos, FileCharacter, LoadedID, LoadedOffset); |
823 | } |
824 | |
825 | |
826 | |
827 | |
828 | |
829 | FileID createFileID(std::unique_ptr<llvm::MemoryBuffer> Buffer, |
830 | SrcMgr::CharacteristicKind FileCharacter = SrcMgr::C_User, |
831 | int LoadedID = 0, unsigned LoadedOffset = 0, |
832 | SourceLocation IncludeLoc = SourceLocation()) { |
833 | return createFileID( |
834 | createMemBufferContentCache(Buffer.release(), false), |
835 | IncludeLoc, FileCharacter, LoadedID, LoadedOffset); |
836 | } |
837 | |
838 | enum UnownedTag { Unowned }; |
839 | |
840 | |
841 | |
842 | |
843 | |
844 | FileID createFileID(UnownedTag, llvm::MemoryBuffer *Buffer, |
845 | SrcMgr::CharacteristicKind FileCharacter = SrcMgr::C_User, |
846 | int LoadedID = 0, unsigned LoadedOffset = 0, |
847 | SourceLocation IncludeLoc = SourceLocation()) { |
848 | return createFileID(createMemBufferContentCache(Buffer, ), |
849 | IncludeLoc, FileCharacter, LoadedID, LoadedOffset); |
850 | } |
851 | |
852 | |
853 | |
854 | FileID getOrCreateFileID(const FileEntry *SourceFile, |
855 | SrcMgr::CharacteristicKind FileCharacter) { |
856 | FileID ID = translateFile(SourceFile); |
857 | return ID.isValid() ? ID : createFileID(SourceFile, SourceLocation(), |
858 | FileCharacter); |
859 | } |
860 | |
861 | |
862 | |
863 | |
864 | |
865 | SourceLocation createMacroArgExpansionLoc(SourceLocation Loc, |
866 | SourceLocation ExpansionLoc, |
867 | unsigned TokLength); |
868 | |
869 | |
870 | |
871 | |
872 | SourceLocation createExpansionLoc(SourceLocation Loc, |
873 | SourceLocation ExpansionLocStart, |
874 | SourceLocation ExpansionLocEnd, |
875 | unsigned TokLength, |
876 | bool ExpansionIsTokenRange = true, |
877 | int LoadedID = 0, |
878 | unsigned LoadedOffset = 0); |
879 | |
880 | |
881 | |
882 | SourceLocation createTokenSplitLoc(SourceLocation SpellingLoc, |
883 | SourceLocation TokenStart, |
884 | SourceLocation TokenEnd); |
885 | |
886 | |
887 | |
888 | |
889 | |
890 | llvm::MemoryBuffer *getMemoryBufferForFile(const FileEntry *File, |
891 | bool *Invalid = nullptr); |
892 | |
893 | |
894 | |
895 | |
896 | |
897 | |
898 | |
899 | |
900 | |
901 | |
902 | |
903 | void overrideFileContents(const FileEntry *SourceFile, |
904 | llvm::MemoryBuffer *Buffer, bool DoNotFree); |
905 | void overrideFileContents(const FileEntry *SourceFile, |
906 | std::unique_ptr<llvm::MemoryBuffer> Buffer) { |
907 | overrideFileContents(SourceFile, Buffer.release(), false); |
908 | } |
909 | |
910 | |
911 | |
912 | |
913 | |
914 | |
915 | |
916 | void overrideFileContents(const FileEntry *SourceFile, |
917 | const FileEntry *NewFile); |
918 | |
919 | |
920 | bool isFileOverridden(const FileEntry *File) const { |
921 | if (OverriddenFilesInfo) { |
922 | if (OverriddenFilesInfo->OverriddenFilesWithBuffer.count(File)) |
923 | return true; |
924 | if (OverriddenFilesInfo->OverriddenFiles.find(File) != |
925 | OverriddenFilesInfo->OverriddenFiles.end()) |
926 | return true; |
927 | } |
928 | return false; |
929 | } |
930 | |
931 | |
932 | |
933 | |
934 | |
935 | void disableFileContentsOverride(const FileEntry *File); |
936 | |
937 | |
938 | void setFileIsTransient(const FileEntry *SourceFile); |
939 | |
940 | |
941 | |
942 | void setAllFilesAreTransient(bool Transient) { |
943 | FilesAreTransient = Transient; |
944 | } |
945 | |
946 | |
947 | |
948 | |
949 | |
950 | |
951 | |
952 | |
953 | |
954 | llvm::MemoryBuffer *getBuffer(FileID FID, SourceLocation Loc, |
955 | bool *Invalid = nullptr) const { |
956 | bool MyInvalid = false; |
957 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &MyInvalid); |
958 | if (MyInvalid || !Entry.isFile()) { |
959 | if (Invalid) |
960 | *Invalid = true; |
961 | |
962 | return getFakeBufferForRecovery(); |
963 | } |
964 | |
965 | return Entry.getFile().getContentCache()->getBuffer(Diag, *this, Loc, |
966 | Invalid); |
967 | } |
968 | |
969 | llvm::MemoryBuffer *getBuffer(FileID FID, bool *Invalid = nullptr) const { |
970 | bool MyInvalid = false; |
971 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &MyInvalid); |
972 | if (MyInvalid || !Entry.isFile()) { |
973 | if (Invalid) |
974 | *Invalid = true; |
975 | |
976 | return getFakeBufferForRecovery(); |
977 | } |
978 | |
979 | return Entry.getFile().getContentCache()->getBuffer(Diag, *this, |
980 | SourceLocation(), |
981 | Invalid); |
982 | } |
983 | |
984 | |
985 | const FileEntry *getFileEntryForID(FileID FID) const { |
986 | bool MyInvalid = false; |
987 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &MyInvalid); |
988 | if (MyInvalid || !Entry.isFile()) |
989 | return nullptr; |
990 | |
991 | const SrcMgr::ContentCache *Content = Entry.getFile().getContentCache(); |
992 | if (!Content) |
993 | return nullptr; |
994 | return Content->OrigEntry; |
995 | } |
996 | |
997 | |
998 | const FileEntry *getFileEntryForSLocEntry(const SrcMgr::SLocEntry &sloc) const |
999 | { |
1000 | const SrcMgr::ContentCache *Content = sloc.getFile().getContentCache(); |
1001 | if (!Content) |
1002 | return nullptr; |
1003 | return Content->OrigEntry; |
1004 | } |
1005 | |
1006 | |
1007 | |
1008 | |
1009 | |
1010 | |
1011 | StringRef getBufferData(FileID FID, bool *Invalid = nullptr) const; |
1012 | |
1013 | |
1014 | |
1015 | unsigned getNumCreatedFIDsForFileID(FileID FID) const { |
1016 | bool Invalid = false; |
1017 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); |
1018 | if (Invalid || !Entry.isFile()) |
1019 | return 0; |
1020 | |
1021 | return Entry.getFile().NumCreatedFIDs; |
1022 | } |
1023 | |
1024 | |
1025 | |
1026 | void setNumCreatedFIDsForFileID(FileID FID, unsigned NumFIDs, |
1027 | bool Force = false) const { |
1028 | bool Invalid = false; |
1029 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); |
1030 | if (Invalid || !Entry.isFile()) |
1031 | return; |
1032 | |
1033 | (0) . __assert_fail ("(Force || Entry.getFile().NumCreatedFIDs == 0) && \"Already set!\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1033, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert((Force || Entry.getFile().NumCreatedFIDs == 0) && "Already set!"); |
1034 | const_cast<SrcMgr::FileInfo &>(Entry.getFile()).NumCreatedFIDs = NumFIDs; |
1035 | } |
1036 | |
1037 | |
1038 | |
1039 | |
1040 | |
1041 | |
1042 | |
1043 | |
1044 | |
1045 | |
1046 | |
1047 | FileID getFileID(SourceLocation SpellingLoc) const { |
1048 | unsigned SLocOffset = SpellingLoc.getOffset(); |
1049 | |
1050 | |
1051 | if (isOffsetInFileID(LastFileIDLookup, SLocOffset)) |
1052 | return LastFileIDLookup; |
1053 | |
1054 | return getFileIDSlow(SLocOffset); |
1055 | } |
1056 | |
1057 | |
1058 | StringRef getFilename(SourceLocation SpellingLoc) const { |
1059 | if (const FileEntry *F = getFileEntryForID(getFileID(SpellingLoc))) |
1060 | return F->getName(); |
1061 | return StringRef(); |
1062 | } |
1063 | |
1064 | |
1065 | |
1066 | SourceLocation getLocForStartOfFile(FileID FID) const { |
1067 | bool Invalid = false; |
1068 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); |
1069 | if (Invalid || !Entry.isFile()) |
1070 | return SourceLocation(); |
1071 | |
1072 | unsigned FileOffset = Entry.getOffset(); |
1073 | return SourceLocation::getFileLoc(FileOffset); |
1074 | } |
1075 | |
1076 | |
1077 | |
1078 | SourceLocation getLocForEndOfFile(FileID FID) const { |
1079 | bool Invalid = false; |
1080 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); |
1081 | if (Invalid || !Entry.isFile()) |
1082 | return SourceLocation(); |
1083 | |
1084 | unsigned FileOffset = Entry.getOffset(); |
1085 | return SourceLocation::getFileLoc(FileOffset + getFileIDSize(FID)); |
1086 | } |
1087 | |
1088 | |
1089 | |
1090 | SourceLocation getIncludeLoc(FileID FID) const { |
1091 | bool Invalid = false; |
1092 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); |
1093 | if (Invalid || !Entry.isFile()) |
1094 | return SourceLocation(); |
1095 | |
1096 | return Entry.getFile().getIncludeLoc(); |
1097 | } |
1098 | |
1099 | |
1100 | |
1101 | |
1102 | std::pair<SourceLocation, StringRef> |
1103 | getModuleImportLoc(SourceLocation Loc) const { |
1104 | FileID FID = getFileID(Loc); |
1105 | |
1106 | |
1107 | |
1108 | if (FID.ID >= -1) |
1109 | return std::make_pair(SourceLocation(), ""); |
1110 | |
1111 | return ExternalSLocEntries->getModuleImportLoc(FID.ID); |
1112 | } |
1113 | |
1114 | |
1115 | |
1116 | SourceLocation getExpansionLoc(SourceLocation Loc) const { |
1117 | |
1118 | |
1119 | if (Loc.isFileID()) return Loc; |
1120 | return getExpansionLocSlowCase(Loc); |
1121 | } |
1122 | |
1123 | |
1124 | |
1125 | |
1126 | SourceLocation getFileLoc(SourceLocation Loc) const { |
1127 | if (Loc.isFileID()) return Loc; |
1128 | return getFileLocSlowCase(Loc); |
1129 | } |
1130 | |
1131 | |
1132 | |
1133 | |
1134 | |
1135 | CharSourceRange getImmediateExpansionRange(SourceLocation Loc) const; |
1136 | |
1137 | |
1138 | |
1139 | CharSourceRange getExpansionRange(SourceLocation Loc) const; |
1140 | |
1141 | |
1142 | |
1143 | CharSourceRange getExpansionRange(SourceRange Range) const { |
1144 | SourceLocation Begin = getExpansionRange(Range.getBegin()).getBegin(); |
1145 | CharSourceRange End = getExpansionRange(Range.getEnd()); |
1146 | return CharSourceRange(SourceRange(Begin, End.getEnd()), |
1147 | End.isTokenRange()); |
1148 | } |
1149 | |
1150 | |
1151 | |
1152 | CharSourceRange getExpansionRange(CharSourceRange Range) const { |
1153 | CharSourceRange Expansion = getExpansionRange(Range.getAsRange()); |
1154 | if (Expansion.getEnd() == Range.getEnd()) |
1155 | Expansion.setTokenRange(Range.isTokenRange()); |
1156 | return Expansion; |
1157 | } |
1158 | |
1159 | |
1160 | |
1161 | |
1162 | |
1163 | |
1164 | SourceLocation getSpellingLoc(SourceLocation Loc) const { |
1165 | |
1166 | |
1167 | if (Loc.isFileID()) return Loc; |
1168 | return getSpellingLocSlowCase(Loc); |
1169 | } |
1170 | |
1171 | |
1172 | |
1173 | |
1174 | |
1175 | |
1176 | |
1177 | SourceLocation getImmediateSpellingLoc(SourceLocation Loc) const; |
1178 | |
1179 | |
1180 | SourceLocation getComposedLoc(FileID FID, unsigned Offset) const { |
1181 | bool Invalid = false; |
1182 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); |
1183 | if (Invalid) |
1184 | return SourceLocation(); |
1185 | |
1186 | unsigned GlobalOffset = Entry.getOffset() + Offset; |
1187 | return Entry.isFile() ? SourceLocation::getFileLoc(GlobalOffset) |
1188 | : SourceLocation::getMacroLoc(GlobalOffset); |
1189 | } |
1190 | |
1191 | |
1192 | |
1193 | |
1194 | |
1195 | std::pair<FileID, unsigned> getDecomposedLoc(SourceLocation Loc) const { |
1196 | FileID FID = getFileID(Loc); |
1197 | bool Invalid = false; |
1198 | const SrcMgr::SLocEntry &E = getSLocEntry(FID, &Invalid); |
1199 | if (Invalid) |
1200 | return std::make_pair(FileID(), 0); |
1201 | return std::make_pair(FID, Loc.getOffset()-E.getOffset()); |
1202 | } |
1203 | |
1204 | |
1205 | |
1206 | |
1207 | |
1208 | std::pair<FileID, unsigned> |
1209 | getDecomposedExpansionLoc(SourceLocation Loc) const { |
1210 | FileID FID = getFileID(Loc); |
1211 | bool Invalid = false; |
1212 | const SrcMgr::SLocEntry *E = &getSLocEntry(FID, &Invalid); |
1213 | if (Invalid) |
1214 | return std::make_pair(FileID(), 0); |
1215 | |
1216 | unsigned Offset = Loc.getOffset()-E->getOffset(); |
1217 | if (Loc.isFileID()) |
1218 | return std::make_pair(FID, Offset); |
1219 | |
1220 | return getDecomposedExpansionLocSlowCase(E); |
1221 | } |
1222 | |
1223 | |
1224 | |
1225 | |
1226 | |
1227 | std::pair<FileID, unsigned> |
1228 | getDecomposedSpellingLoc(SourceLocation Loc) const { |
1229 | FileID FID = getFileID(Loc); |
1230 | bool Invalid = false; |
1231 | const SrcMgr::SLocEntry *E = &getSLocEntry(FID, &Invalid); |
1232 | if (Invalid) |
1233 | return std::make_pair(FileID(), 0); |
1234 | |
1235 | unsigned Offset = Loc.getOffset()-E->getOffset(); |
1236 | if (Loc.isFileID()) |
1237 | return std::make_pair(FID, Offset); |
1238 | return getDecomposedSpellingLocSlowCase(E, Offset); |
1239 | } |
1240 | |
1241 | |
1242 | |
1243 | std::pair<FileID, unsigned> getDecomposedIncludedLoc(FileID FID) const; |
1244 | |
1245 | |
1246 | |
1247 | |
1248 | |
1249 | unsigned getFileOffset(SourceLocation SpellingLoc) const { |
1250 | return getDecomposedLoc(SpellingLoc).second; |
1251 | } |
1252 | |
1253 | |
1254 | |
1255 | |
1256 | |
1257 | |
1258 | |
1259 | |
1260 | |
1261 | |
1262 | bool isMacroArgExpansion(SourceLocation Loc, |
1263 | SourceLocation *StartLoc = nullptr) const; |
1264 | |
1265 | |
1266 | |
1267 | |
1268 | |
1269 | |
1270 | bool isMacroBodyExpansion(SourceLocation Loc) const; |
1271 | |
1272 | |
1273 | |
1274 | |
1275 | |
1276 | |
1277 | bool isAtStartOfImmediateMacroExpansion(SourceLocation Loc, |
1278 | SourceLocation *MacroBegin = nullptr) const; |
1279 | |
1280 | |
1281 | |
1282 | |
1283 | |
1284 | |
1285 | bool |
1286 | isAtEndOfImmediateMacroExpansion(SourceLocation Loc, |
1287 | SourceLocation *MacroEnd = nullptr) const; |
1288 | |
1289 | |
1290 | |
1291 | |
1292 | |
1293 | |
1294 | bool isInSLocAddrSpace(SourceLocation Loc, |
1295 | SourceLocation Start, unsigned Length, |
1296 | unsigned *RelativeOffset = nullptr) const { |
1297 | (0) . __assert_fail ("((Start.getOffset() < NextLocalOffset && Start.getOffset()+Length <= NextLocalOffset) || (Start.getOffset() >= CurrentLoadedOffset && Start.getOffset()+Length < MaxLoadedOffset)) && \"Chunk is not valid SLoc address space\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1301, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(((Start.getOffset() < NextLocalOffset && |
1298 | (0) . __assert_fail ("((Start.getOffset() < NextLocalOffset && Start.getOffset()+Length <= NextLocalOffset) || (Start.getOffset() >= CurrentLoadedOffset && Start.getOffset()+Length < MaxLoadedOffset)) && \"Chunk is not valid SLoc address space\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1301, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> Start.getOffset()+Length <= NextLocalOffset) || |
1299 | (0) . __assert_fail ("((Start.getOffset() < NextLocalOffset && Start.getOffset()+Length <= NextLocalOffset) || (Start.getOffset() >= CurrentLoadedOffset && Start.getOffset()+Length < MaxLoadedOffset)) && \"Chunk is not valid SLoc address space\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1301, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> (Start.getOffset() >= CurrentLoadedOffset && |
1300 | (0) . __assert_fail ("((Start.getOffset() < NextLocalOffset && Start.getOffset()+Length <= NextLocalOffset) || (Start.getOffset() >= CurrentLoadedOffset && Start.getOffset()+Length < MaxLoadedOffset)) && \"Chunk is not valid SLoc address space\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1301, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> Start.getOffset()+Length < MaxLoadedOffset)) && |
1301 | (0) . __assert_fail ("((Start.getOffset() < NextLocalOffset && Start.getOffset()+Length <= NextLocalOffset) || (Start.getOffset() >= CurrentLoadedOffset && Start.getOffset()+Length < MaxLoadedOffset)) && \"Chunk is not valid SLoc address space\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1301, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> "Chunk is not valid SLoc address space"); |
1302 | unsigned LocOffs = Loc.getOffset(); |
1303 | unsigned BeginOffs = Start.getOffset(); |
1304 | unsigned EndOffs = BeginOffs + Length; |
1305 | if (LocOffs >= BeginOffs && LocOffs < EndOffs) { |
1306 | if (RelativeOffset) |
1307 | *RelativeOffset = LocOffs - BeginOffs; |
1308 | return true; |
1309 | } |
1310 | |
1311 | return false; |
1312 | } |
1313 | |
1314 | |
1315 | |
1316 | |
1317 | |
1318 | |
1319 | bool isInSameSLocAddrSpace(SourceLocation LHS, SourceLocation RHS, |
1320 | int *RelativeOffset) const { |
1321 | unsigned LHSOffs = LHS.getOffset(), RHSOffs = RHS.getOffset(); |
1322 | bool LHSLoaded = LHSOffs >= CurrentLoadedOffset; |
1323 | bool RHSLoaded = RHSOffs >= CurrentLoadedOffset; |
1324 | |
1325 | if (LHSLoaded == RHSLoaded) { |
1326 | if (RelativeOffset) |
1327 | *RelativeOffset = RHSOffs - LHSOffs; |
1328 | return true; |
1329 | } |
1330 | |
1331 | return false; |
1332 | } |
1333 | |
1334 | |
1335 | |
1336 | |
1337 | |
1338 | |
1339 | |
1340 | |
1341 | |
1342 | const char *getCharacterData(SourceLocation SL, |
1343 | bool *Invalid = nullptr) const; |
1344 | |
1345 | |
1346 | |
1347 | |
1348 | |
1349 | |
1350 | |
1351 | unsigned getColumnNumber(FileID FID, unsigned FilePos, |
1352 | bool *Invalid = nullptr) const; |
1353 | unsigned getSpellingColumnNumber(SourceLocation Loc, |
1354 | bool *Invalid = nullptr) const; |
1355 | unsigned getExpansionColumnNumber(SourceLocation Loc, |
1356 | bool *Invalid = nullptr) const; |
1357 | unsigned getPresumedColumnNumber(SourceLocation Loc, |
1358 | bool *Invalid = nullptr) const; |
1359 | |
1360 | |
1361 | |
1362 | |
1363 | |
1364 | |
1365 | |
1366 | unsigned getLineNumber(FileID FID, unsigned FilePos, bool *Invalid = nullptr) const; |
1367 | unsigned getSpellingLineNumber(SourceLocation Loc, bool *Invalid = nullptr) const; |
1368 | unsigned getExpansionLineNumber(SourceLocation Loc, bool *Invalid = nullptr) const; |
1369 | unsigned getPresumedLineNumber(SourceLocation Loc, bool *Invalid = nullptr) const; |
1370 | |
1371 | |
1372 | |
1373 | |
1374 | |
1375 | |
1376 | StringRef getBufferName(SourceLocation Loc, bool *Invalid = nullptr) const; |
1377 | |
1378 | |
1379 | |
1380 | |
1381 | |
1382 | |
1383 | |
1384 | |
1385 | |
1386 | |
1387 | |
1388 | SrcMgr::CharacteristicKind getFileCharacteristic(SourceLocation Loc) const; |
1389 | |
1390 | |
1391 | |
1392 | |
1393 | |
1394 | |
1395 | |
1396 | |
1397 | |
1398 | |
1399 | |
1400 | |
1401 | |
1402 | |
1403 | PresumedLoc getPresumedLoc(SourceLocation Loc, |
1404 | bool UseLineDirectives = true) const; |
1405 | |
1406 | |
1407 | |
1408 | |
1409 | |
1410 | |
1411 | |
1412 | |
1413 | bool isInMainFile(SourceLocation Loc) const; |
1414 | |
1415 | |
1416 | |
1417 | |
1418 | |
1419 | bool isWrittenInSameFile(SourceLocation Loc1, SourceLocation Loc2) const { |
1420 | return getFileID(Loc1) == getFileID(Loc2); |
1421 | } |
1422 | |
1423 | |
1424 | |
1425 | |
1426 | |
1427 | bool isWrittenInMainFile(SourceLocation Loc) const { |
1428 | return getFileID(Loc) == getMainFileID(); |
1429 | } |
1430 | |
1431 | |
1432 | bool isWrittenInBuiltinFile(SourceLocation Loc) const { |
1433 | StringRef Filename(getPresumedLoc(Loc).getFilename()); |
1434 | return Filename.equals("<built-in>"); |
1435 | } |
1436 | |
1437 | |
1438 | bool isWrittenInCommandLineFile(SourceLocation Loc) const { |
1439 | StringRef Filename(getPresumedLoc(Loc).getFilename()); |
1440 | return Filename.equals("<command line>"); |
1441 | } |
1442 | |
1443 | |
1444 | bool isWrittenInScratchSpace(SourceLocation Loc) const { |
1445 | StringRef Filename(getPresumedLoc(Loc).getFilename()); |
1446 | return Filename.equals("<scratch space>"); |
1447 | } |
1448 | |
1449 | |
1450 | bool (SourceLocation Loc) const { |
1451 | return isSystem(getFileCharacteristic(Loc)); |
1452 | } |
1453 | |
1454 | |
1455 | bool (SourceLocation Loc) const { |
1456 | return getFileCharacteristic(Loc) == SrcMgr::C_ExternCSystem; |
1457 | } |
1458 | |
1459 | |
1460 | bool isInSystemMacro(SourceLocation loc) const { |
1461 | if (!loc.isMacroID()) |
1462 | return false; |
1463 | |
1464 | |
1465 | |
1466 | if (isWrittenInScratchSpace(getSpellingLoc(loc))) |
1467 | return isInSystemHeader(getSpellingLoc(getImmediateMacroCallerLoc(loc))); |
1468 | |
1469 | return isInSystemHeader(getSpellingLoc(loc)); |
1470 | } |
1471 | |
1472 | |
1473 | unsigned getFileIDSize(FileID FID) const; |
1474 | |
1475 | |
1476 | |
1477 | |
1478 | bool isInFileID(SourceLocation Loc, FileID FID, |
1479 | unsigned *RelativeOffset = nullptr) const { |
1480 | unsigned Offs = Loc.getOffset(); |
1481 | if (isOffsetInFileID(FID, Offs)) { |
1482 | if (RelativeOffset) |
1483 | *RelativeOffset = Offs - getSLocEntry(FID).getOffset(); |
1484 | return true; |
1485 | } |
1486 | |
1487 | return false; |
1488 | } |
1489 | |
1490 | |
1491 | |
1492 | |
1493 | |
1494 | |
1495 | unsigned getLineTableFilenameID(StringRef Str); |
1496 | |
1497 | |
1498 | |
1499 | |
1500 | |
1501 | void AddLineNote(SourceLocation Loc, unsigned LineNo, int FilenameID, |
1502 | bool IsFileEntry, bool IsFileExit, |
1503 | SrcMgr::CharacteristicKind FileKind); |
1504 | |
1505 | |
1506 | bool hasLineTable() const { return LineTable != nullptr; } |
1507 | |
1508 | |
1509 | LineTableInfo &getLineTable(); |
1510 | |
1511 | |
1512 | |
1513 | |
1514 | |
1515 | |
1516 | |
1517 | size_t getContentCacheSize() const { |
1518 | return ContentCacheAlloc.getTotalMemory(); |
1519 | } |
1520 | |
1521 | struct MemoryBufferSizes { |
1522 | const size_t malloc_bytes; |
1523 | const size_t mmap_bytes; |
1524 | |
1525 | MemoryBufferSizes(size_t malloc_bytes, size_t mmap_bytes) |
1526 | : malloc_bytes(malloc_bytes), mmap_bytes(mmap_bytes) {} |
1527 | }; |
1528 | |
1529 | |
1530 | |
1531 | MemoryBufferSizes getMemoryBufferSizes() const; |
1532 | |
1533 | |
1534 | |
1535 | size_t getDataStructureSizes() const; |
1536 | |
1537 | |
1538 | |
1539 | |
1540 | |
1541 | |
1542 | |
1543 | |
1544 | |
1545 | SourceLocation translateFileLineCol(const FileEntry *SourceFile, |
1546 | unsigned Line, unsigned Col) const; |
1547 | |
1548 | |
1549 | |
1550 | |
1551 | |
1552 | FileID translateFile(const FileEntry *SourceFile) const; |
1553 | |
1554 | |
1555 | |
1556 | SourceLocation translateLineCol(FileID FID, |
1557 | unsigned Line, unsigned Col) const; |
1558 | |
1559 | |
1560 | |
1561 | |
1562 | |
1563 | |
1564 | |
1565 | |
1566 | |
1567 | |
1568 | SourceLocation getMacroArgExpandedLocation(SourceLocation Loc) const; |
1569 | |
1570 | |
1571 | |
1572 | |
1573 | bool isBeforeInTranslationUnit(SourceLocation LHS, SourceLocation RHS) const; |
1574 | |
1575 | |
1576 | |
1577 | |
1578 | |
1579 | |
1580 | |
1581 | |
1582 | std::pair<bool, bool> |
1583 | isInTheSameTranslationUnit(std::pair<FileID, unsigned> &LOffs, |
1584 | std::pair<FileID, unsigned> &ROffs) const; |
1585 | |
1586 | |
1587 | |
1588 | bool isBeforeInSLocAddrSpace(SourceLocation LHS, SourceLocation RHS) const { |
1589 | return isBeforeInSLocAddrSpace(LHS, RHS.getOffset()); |
1590 | } |
1591 | |
1592 | |
1593 | |
1594 | |
1595 | |
1596 | bool isBeforeInSLocAddrSpace(SourceLocation LHS, unsigned RHS) const { |
1597 | unsigned LHSOffset = LHS.getOffset(); |
1598 | bool LHSLoaded = LHSOffset >= CurrentLoadedOffset; |
1599 | bool RHSLoaded = RHS >= CurrentLoadedOffset; |
1600 | if (LHSLoaded == RHSLoaded) |
1601 | return LHSOffset < RHS; |
1602 | |
1603 | return LHSLoaded; |
1604 | } |
1605 | |
1606 | |
1607 | bool isPointWithin(SourceLocation Location, SourceLocation Start, |
1608 | SourceLocation End) const { |
1609 | return Location == Start || Location == End || |
1610 | (isBeforeInTranslationUnit(Start, Location) && |
1611 | isBeforeInTranslationUnit(Location, End)); |
1612 | } |
1613 | |
1614 | |
1615 | using fileinfo_iterator = |
1616 | llvm::DenseMap<const FileEntry*, SrcMgr::ContentCache*>::const_iterator; |
1617 | |
1618 | fileinfo_iterator fileinfo_begin() const { return FileInfos.begin(); } |
1619 | fileinfo_iterator fileinfo_end() const { return FileInfos.end(); } |
1620 | bool hasFileInfo(const FileEntry *File) const { |
1621 | return FileInfos.find(File) != FileInfos.end(); |
1622 | } |
1623 | |
1624 | |
1625 | void PrintStats() const; |
1626 | |
1627 | void dump() const; |
1628 | |
1629 | |
1630 | unsigned local_sloc_entry_size() const { return LocalSLocEntryTable.size(); } |
1631 | |
1632 | |
1633 | const SrcMgr::SLocEntry &getLocalSLocEntry(unsigned Index, |
1634 | bool *Invalid = nullptr) const { |
1635 | (0) . __assert_fail ("Index < LocalSLocEntryTable.size() && \"Invalid index\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1635, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(Index < LocalSLocEntryTable.size() && "Invalid index"); |
1636 | return LocalSLocEntryTable[Index]; |
1637 | } |
1638 | |
1639 | |
1640 | unsigned loaded_sloc_entry_size() const { return LoadedSLocEntryTable.size();} |
1641 | |
1642 | |
1643 | const SrcMgr::SLocEntry &getLoadedSLocEntry(unsigned Index, |
1644 | bool *Invalid = nullptr) const { |
1645 | (0) . __assert_fail ("Index < LoadedSLocEntryTable.size() && \"Invalid index\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1645, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(Index < LoadedSLocEntryTable.size() && "Invalid index"); |
1646 | if (SLocEntryLoaded[Index]) |
1647 | return LoadedSLocEntryTable[Index]; |
1648 | return loadSLocEntry(Index, Invalid); |
1649 | } |
1650 | |
1651 | const SrcMgr::SLocEntry &getSLocEntry(FileID FID, |
1652 | bool *Invalid = nullptr) const { |
1653 | if (FID.ID == 0 || FID.ID == -1) { |
1654 | if (Invalid) *Invalid = true; |
1655 | return LocalSLocEntryTable[0]; |
1656 | } |
1657 | return getSLocEntryByID(FID.ID, Invalid); |
1658 | } |
1659 | |
1660 | unsigned getNextLocalOffset() const { return NextLocalOffset; } |
1661 | |
1662 | void setExternalSLocEntrySource(ExternalSLocEntrySource *Source) { |
1663 | (0) . __assert_fail ("LoadedSLocEntryTable.empty() && \"Invalidating existing loaded entries\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1664, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(LoadedSLocEntryTable.empty() && |
1664 | (0) . __assert_fail ("LoadedSLocEntryTable.empty() && \"Invalidating existing loaded entries\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1664, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> "Invalidating existing loaded entries"); |
1665 | ExternalSLocEntries = Source; |
1666 | } |
1667 | |
1668 | |
1669 | |
1670 | |
1671 | |
1672 | |
1673 | |
1674 | std::pair<int, unsigned> |
1675 | AllocateLoadedSLocEntries(unsigned NumSLocEntries, unsigned TotalSize); |
1676 | |
1677 | |
1678 | bool isLoadedSourceLocation(SourceLocation Loc) const { |
1679 | return Loc.getOffset() >= CurrentLoadedOffset; |
1680 | } |
1681 | |
1682 | |
1683 | bool isLocalSourceLocation(SourceLocation Loc) const { |
1684 | return Loc.getOffset() < NextLocalOffset; |
1685 | } |
1686 | |
1687 | |
1688 | bool isLoadedFileID(FileID FID) const { |
1689 | (0) . __assert_fail ("FID.ID != -1 && \"Using FileID sentinel value\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1689, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(FID.ID != -1 && "Using FileID sentinel value"); |
1690 | return FID.ID < 0; |
1691 | } |
1692 | |
1693 | |
1694 | bool isLocalFileID(FileID FID) const { |
1695 | return !isLoadedFileID(FID); |
1696 | } |
1697 | |
1698 | |
1699 | |
1700 | SourceLocation getImmediateMacroCallerLoc(SourceLocation Loc) const { |
1701 | if (!Loc.isMacroID()) return Loc; |
1702 | |
1703 | |
1704 | |
1705 | |
1706 | if (isMacroArgExpansion(Loc)) |
1707 | return getImmediateSpellingLoc(Loc); |
1708 | |
1709 | |
1710 | |
1711 | return getImmediateExpansionRange(Loc).getBegin(); |
1712 | } |
1713 | |
1714 | |
1715 | SourceLocation getTopMacroCallerLoc(SourceLocation Loc) const; |
1716 | |
1717 | private: |
1718 | friend class ASTReader; |
1719 | friend class ASTWriter; |
1720 | |
1721 | llvm::MemoryBuffer *getFakeBufferForRecovery() const; |
1722 | const SrcMgr::ContentCache *getFakeContentCacheForRecovery() const; |
1723 | |
1724 | const SrcMgr::SLocEntry &loadSLocEntry(unsigned Index, bool *Invalid) const; |
1725 | |
1726 | |
1727 | const SrcMgr::SLocEntry &getSLocEntryByID(int ID, |
1728 | bool *Invalid = nullptr) const { |
1729 | (0) . __assert_fail ("ID != -1 && \"Using FileID sentinel value\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Basic/SourceManager.h", 1729, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(ID != -1 && "Using FileID sentinel value"); |
1730 | if (ID < 0) |
1731 | return getLoadedSLocEntryByID(ID, Invalid); |
1732 | return getLocalSLocEntry(static_cast<unsigned>(ID), Invalid); |
1733 | } |
1734 | |
1735 | const SrcMgr::SLocEntry & |
1736 | getLoadedSLocEntryByID(int ID, bool *Invalid = nullptr) const { |
1737 | return getLoadedSLocEntry(static_cast<unsigned>(-ID - 2), Invalid); |
1738 | } |
1739 | |
1740 | |
1741 | |
1742 | SourceLocation createExpansionLocImpl(const SrcMgr::ExpansionInfo &Expansion, |
1743 | unsigned TokLength, |
1744 | int LoadedID = 0, |
1745 | unsigned LoadedOffset = 0); |
1746 | |
1747 | |
1748 | |
1749 | inline bool isOffsetInFileID(FileID FID, unsigned SLocOffset) const { |
1750 | const SrcMgr::SLocEntry &Entry = getSLocEntry(FID); |
1751 | |
1752 | if (SLocOffset < Entry.getOffset()) return false; |
1753 | |
1754 | |
1755 | if (FID.ID == -2) |
1756 | return true; |
1757 | |
1758 | |
1759 | if (FID.ID+1 == static_cast<int>(LocalSLocEntryTable.size())) |
1760 | return SLocOffset < NextLocalOffset; |
1761 | |
1762 | |
1763 | |
1764 | return SLocOffset < getSLocEntryByID(FID.ID+1).getOffset(); |
1765 | } |
1766 | |
1767 | |
1768 | |
1769 | FileID getPreviousFileID(FileID FID) const; |
1770 | |
1771 | |
1772 | |
1773 | FileID getNextFileID(FileID FID) const; |
1774 | |
1775 | |
1776 | |
1777 | |
1778 | |
1779 | |
1780 | FileID createFileID(const SrcMgr::ContentCache* File, |
1781 | SourceLocation IncludePos, |
1782 | SrcMgr::CharacteristicKind DirCharacter, |
1783 | int LoadedID, unsigned LoadedOffset); |
1784 | |
1785 | const SrcMgr::ContentCache * |
1786 | getOrCreateContentCache(const FileEntry *SourceFile, |
1787 | bool isSystemFile = false); |
1788 | |
1789 | |
1790 | const SrcMgr::ContentCache * |
1791 | createMemBufferContentCache(llvm::MemoryBuffer *Buf, bool DoNotFree); |
1792 | |
1793 | FileID getFileIDSlow(unsigned SLocOffset) const; |
1794 | FileID getFileIDLocal(unsigned SLocOffset) const; |
1795 | FileID getFileIDLoaded(unsigned SLocOffset) const; |
1796 | |
1797 | SourceLocation getExpansionLocSlowCase(SourceLocation Loc) const; |
1798 | SourceLocation getSpellingLocSlowCase(SourceLocation Loc) const; |
1799 | SourceLocation getFileLocSlowCase(SourceLocation Loc) const; |
1800 | |
1801 | std::pair<FileID, unsigned> |
1802 | getDecomposedExpansionLocSlowCase(const SrcMgr::SLocEntry *E) const; |
1803 | std::pair<FileID, unsigned> |
1804 | getDecomposedSpellingLocSlowCase(const SrcMgr::SLocEntry *E, |
1805 | unsigned Offset) const; |
1806 | void computeMacroArgsCache(MacroArgsMap &MacroArgsCache, FileID FID) const; |
1807 | void associateFileChunkWithMacroArgExp(MacroArgsMap &MacroArgsCache, |
1808 | FileID FID, |
1809 | SourceLocation SpellLoc, |
1810 | SourceLocation ExpansionLoc, |
1811 | unsigned ExpansionLength) const; |
1812 | }; |
1813 | |
1814 | |
1815 | template<typename T> |
1816 | class BeforeThanCompare; |
1817 | |
1818 | |
1819 | template<> |
1820 | class BeforeThanCompare<SourceLocation> { |
1821 | SourceManager &SM; |
1822 | |
1823 | public: |
1824 | explicit BeforeThanCompare(SourceManager &SM) : SM(SM) {} |
1825 | |
1826 | bool operator()(SourceLocation LHS, SourceLocation RHS) const { |
1827 | return SM.isBeforeInTranslationUnit(LHS, RHS); |
1828 | } |
1829 | }; |
1830 | |
1831 | |
1832 | template<> |
1833 | class BeforeThanCompare<SourceRange> { |
1834 | SourceManager &SM; |
1835 | |
1836 | public: |
1837 | explicit BeforeThanCompare(SourceManager &SM) : SM(SM) {} |
1838 | |
1839 | bool operator()(SourceRange LHS, SourceRange RHS) const { |
1840 | return SM.isBeforeInTranslationUnit(LHS.getBegin(), RHS.getBegin()); |
1841 | } |
1842 | }; |
1843 | |
1844 | |
1845 | |
1846 | class SourceManagerForFile { |
1847 | public: |
1848 | |
1849 | |
1850 | SourceManagerForFile(StringRef FileName, StringRef Content); |
1851 | |
1852 | SourceManager &get() { |
1853 | assert(SourceMgr); |
1854 | return *SourceMgr; |
1855 | } |
1856 | |
1857 | private: |
1858 | |
1859 | |
1860 | |
1861 | std::unique_ptr<FileManager> FileMgr; |
1862 | std::unique_ptr<DiagnosticsEngine> Diagnostics; |
1863 | std::unique_ptr<SourceManager> SourceMgr; |
1864 | }; |
1865 | |
1866 | } |
1867 | |
1868 | #endif |
1869 | |