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8 | |
9 | #include "CIndexDiagnostic.h" |
10 | #include "CIndexer.h" |
11 | #include "CLog.h" |
12 | #include "CXCursor.h" |
13 | #include "CXIndexDataConsumer.h" |
14 | #include "CXSourceLocation.h" |
15 | #include "CXString.h" |
16 | #include "CXTranslationUnit.h" |
17 | #include "clang/AST/ASTConsumer.h" |
18 | #include "clang/Frontend/ASTUnit.h" |
19 | #include "clang/Frontend/CompilerInstance.h" |
20 | #include "clang/Frontend/CompilerInvocation.h" |
21 | #include "clang/Frontend/FrontendAction.h" |
22 | #include "clang/Frontend/Utils.h" |
23 | #include "clang/Index/IndexingAction.h" |
24 | #include "clang/Lex/HeaderSearch.h" |
25 | #include "clang/Lex/PPCallbacks.h" |
26 | #include "clang/Lex/PPConditionalDirectiveRecord.h" |
27 | #include "clang/Lex/Preprocessor.h" |
28 | #include "clang/Lex/PreprocessorOptions.h" |
29 | #include "llvm/Support/CrashRecoveryContext.h" |
30 | #include "llvm/Support/MemoryBuffer.h" |
31 | #include "llvm/Support/Mutex.h" |
32 | #include "llvm/Support/MutexGuard.h" |
33 | #include <cstdio> |
34 | #include <utility> |
35 | |
36 | using namespace clang; |
37 | using namespace clang::index; |
38 | using namespace cxtu; |
39 | using namespace cxindex; |
40 | |
41 | namespace { |
42 | |
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66 | |
67 | |
68 | |
69 | |
70 | class PPRegion { |
71 | llvm::sys::fs::UniqueID UniqueID; |
72 | time_t ModTime; |
73 | unsigned Offset; |
74 | public: |
75 | PPRegion() : UniqueID(0, 0), ModTime(), Offset() {} |
76 | PPRegion(llvm::sys::fs::UniqueID UniqueID, unsigned offset, time_t modTime) |
77 | : UniqueID(UniqueID), ModTime(modTime), Offset(offset) {} |
78 | |
79 | const llvm::sys::fs::UniqueID &getUniqueID() const { return UniqueID; } |
80 | unsigned getOffset() const { return Offset; } |
81 | time_t getModTime() const { return ModTime; } |
82 | |
83 | bool isInvalid() const { return *this == PPRegion(); } |
84 | |
85 | friend bool operator==(const PPRegion &lhs, const PPRegion &rhs) { |
86 | return lhs.UniqueID == rhs.UniqueID && lhs.Offset == rhs.Offset && |
87 | lhs.ModTime == rhs.ModTime; |
88 | } |
89 | }; |
90 | |
91 | typedef llvm::DenseSet<PPRegion> PPRegionSetTy; |
92 | |
93 | } |
94 | |
95 | namespace llvm { |
96 | |
97 | template <> |
98 | struct DenseMapInfo<PPRegion> { |
99 | static inline PPRegion getEmptyKey() { |
100 | return PPRegion(llvm::sys::fs::UniqueID(0, 0), unsigned(-1), 0); |
101 | } |
102 | static inline PPRegion getTombstoneKey() { |
103 | return PPRegion(llvm::sys::fs::UniqueID(0, 0), unsigned(-2), 0); |
104 | } |
105 | |
106 | static unsigned getHashValue(const PPRegion &S) { |
107 | llvm::FoldingSetNodeID ID; |
108 | const llvm::sys::fs::UniqueID &UniqueID = S.getUniqueID(); |
109 | ID.AddInteger(UniqueID.getFile()); |
110 | ID.AddInteger(UniqueID.getDevice()); |
111 | ID.AddInteger(S.getOffset()); |
112 | ID.AddInteger(S.getModTime()); |
113 | return ID.ComputeHash(); |
114 | } |
115 | |
116 | static bool isEqual(const PPRegion &LHS, const PPRegion &RHS) { |
117 | return LHS == RHS; |
118 | } |
119 | }; |
120 | } |
121 | |
122 | namespace { |
123 | |
124 | class SessionSkipBodyData { |
125 | llvm::sys::Mutex Mux; |
126 | PPRegionSetTy ParsedRegions; |
127 | |
128 | public: |
129 | SessionSkipBodyData() : Mux() {} |
130 | ~SessionSkipBodyData() { |
131 | |
132 | } |
133 | |
134 | void copyTo(PPRegionSetTy &Set) { |
135 | llvm::MutexGuard MG(Mux); |
136 | Set = ParsedRegions; |
137 | } |
138 | |
139 | void update(ArrayRef<PPRegion> Regions) { |
140 | llvm::MutexGuard MG(Mux); |
141 | ParsedRegions.insert(Regions.begin(), Regions.end()); |
142 | } |
143 | }; |
144 | |
145 | class TUSkipBodyControl { |
146 | SessionSkipBodyData &SessionData; |
147 | PPConditionalDirectiveRecord &PPRec; |
148 | Preprocessor &PP; |
149 | |
150 | PPRegionSetTy ParsedRegions; |
151 | SmallVector<PPRegion, 32> NewParsedRegions; |
152 | PPRegion LastRegion; |
153 | bool LastIsParsed; |
154 | |
155 | public: |
156 | TUSkipBodyControl(SessionSkipBodyData &sessionData, |
157 | PPConditionalDirectiveRecord &ppRec, |
158 | Preprocessor &pp) |
159 | : SessionData(sessionData), PPRec(ppRec), PP(pp) { |
160 | SessionData.copyTo(ParsedRegions); |
161 | } |
162 | |
163 | bool isParsed(SourceLocation Loc, FileID FID, const FileEntry *FE) { |
164 | PPRegion region = getRegion(Loc, FID, FE); |
165 | if (region.isInvalid()) |
166 | return false; |
167 | |
168 | |
169 | if (LastRegion == region) |
170 | return LastIsParsed; |
171 | |
172 | LastRegion = region; |
173 | LastIsParsed = ParsedRegions.count(region); |
174 | if (!LastIsParsed) |
175 | NewParsedRegions.push_back(region); |
176 | return LastIsParsed; |
177 | } |
178 | |
179 | void finished() { |
180 | SessionData.update(NewParsedRegions); |
181 | } |
182 | |
183 | private: |
184 | PPRegion getRegion(SourceLocation Loc, FileID FID, const FileEntry *FE) { |
185 | SourceLocation RegionLoc = PPRec.findConditionalDirectiveRegionLoc(Loc); |
186 | if (RegionLoc.isInvalid()) { |
187 | if (isParsedOnceInclude(FE)) { |
188 | const llvm::sys::fs::UniqueID &ID = FE->getUniqueID(); |
189 | return PPRegion(ID, 0, FE->getModificationTime()); |
190 | } |
191 | return PPRegion(); |
192 | } |
193 | |
194 | const SourceManager &SM = PPRec.getSourceManager(); |
195 | assert(RegionLoc.isFileID()); |
196 | FileID RegionFID; |
197 | unsigned RegionOffset; |
198 | std::tie(RegionFID, RegionOffset) = SM.getDecomposedLoc(RegionLoc); |
199 | |
200 | if (RegionFID != FID) { |
201 | if (isParsedOnceInclude(FE)) { |
202 | const llvm::sys::fs::UniqueID &ID = FE->getUniqueID(); |
203 | return PPRegion(ID, 0, FE->getModificationTime()); |
204 | } |
205 | return PPRegion(); |
206 | } |
207 | |
208 | const llvm::sys::fs::UniqueID &ID = FE->getUniqueID(); |
209 | return PPRegion(ID, RegionOffset, FE->getModificationTime()); |
210 | } |
211 | |
212 | bool isParsedOnceInclude(const FileEntry *FE) { |
213 | return PP.getHeaderSearchInfo().isFileMultipleIncludeGuarded(FE); |
214 | } |
215 | }; |
216 | |
217 | |
218 | |
219 | |
220 | |
221 | class IndexPPCallbacks : public PPCallbacks { |
222 | Preprocessor &PP; |
223 | CXIndexDataConsumer &DataConsumer; |
224 | bool IsMainFileEntered; |
225 | |
226 | public: |
227 | IndexPPCallbacks(Preprocessor &PP, CXIndexDataConsumer &dataConsumer) |
228 | : PP(PP), DataConsumer(dataConsumer), IsMainFileEntered(false) { } |
229 | |
230 | void FileChanged(SourceLocation Loc, FileChangeReason Reason, |
231 | SrcMgr::CharacteristicKind FileType, FileID PrevFID) override { |
232 | if (IsMainFileEntered) |
233 | return; |
234 | |
235 | SourceManager &SM = PP.getSourceManager(); |
236 | SourceLocation MainFileLoc = SM.getLocForStartOfFile(SM.getMainFileID()); |
237 | |
238 | if (Loc == MainFileLoc && Reason == PPCallbacks::EnterFile) { |
239 | IsMainFileEntered = true; |
240 | DataConsumer.enteredMainFile(SM.getFileEntryForID(SM.getMainFileID())); |
241 | } |
242 | } |
243 | |
244 | void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok, |
245 | StringRef FileName, bool IsAngled, |
246 | CharSourceRange FilenameRange, const FileEntry *File, |
247 | StringRef SearchPath, StringRef RelativePath, |
248 | const Module *Imported, |
249 | SrcMgr::CharacteristicKind FileType) override { |
250 | bool isImport = (IncludeTok.is(tok::identifier) && |
251 | IncludeTok.getIdentifierInfo()->getPPKeywordID() == tok::pp_import); |
252 | DataConsumer.ppIncludedFile(HashLoc, FileName, File, isImport, IsAngled, |
253 | Imported); |
254 | } |
255 | |
256 | |
257 | void MacroDefined(const Token &Id, const MacroDirective *MD) override {} |
258 | |
259 | |
260 | |
261 | void MacroUndefined(const Token &MacroNameTok, |
262 | const MacroDefinition &MD, |
263 | const MacroDirective *UD) override {} |
264 | |
265 | |
266 | void MacroExpands(const Token &MacroNameTok, const MacroDefinition &MD, |
267 | SourceRange Range, const MacroArgs *Args) override {} |
268 | |
269 | |
270 | |
271 | |
272 | void SourceRangeSkipped(SourceRange Range, SourceLocation EndifLoc) override { |
273 | } |
274 | }; |
275 | |
276 | |
277 | |
278 | |
279 | |
280 | class IndexingConsumer : public ASTConsumer { |
281 | CXIndexDataConsumer &DataConsumer; |
282 | TUSkipBodyControl *SKCtrl; |
283 | |
284 | public: |
285 | IndexingConsumer(CXIndexDataConsumer &dataConsumer, TUSkipBodyControl *skCtrl) |
286 | : DataConsumer(dataConsumer), SKCtrl(skCtrl) { } |
287 | |
288 | |
289 | |
290 | void Initialize(ASTContext &Context) override { |
291 | DataConsumer.setASTContext(Context); |
292 | DataConsumer.startedTranslationUnit(); |
293 | } |
294 | |
295 | void HandleTranslationUnit(ASTContext &Ctx) override { |
296 | if (SKCtrl) |
297 | SKCtrl->finished(); |
298 | } |
299 | |
300 | bool HandleTopLevelDecl(DeclGroupRef DG) override { |
301 | return !DataConsumer.shouldAbort(); |
302 | } |
303 | |
304 | bool shouldSkipFunctionBody(Decl *D) override { |
305 | if (!SKCtrl) { |
306 | |
307 | return true; |
308 | } |
309 | |
310 | const SourceManager &SM = DataConsumer.getASTContext().getSourceManager(); |
311 | SourceLocation Loc = D->getLocation(); |
312 | if (Loc.isMacroID()) |
313 | return false; |
314 | if (SM.isInSystemHeader(Loc)) |
315 | return true; |
316 | |
317 | FileID FID; |
318 | unsigned Offset; |
319 | std::tie(FID, Offset) = SM.getDecomposedLoc(Loc); |
320 | |
321 | if (SM.getMainFileID() == FID) |
322 | return false; |
323 | const FileEntry *FE = SM.getFileEntryForID(FID); |
324 | if (!FE) |
325 | return false; |
326 | |
327 | return SKCtrl->isParsed(Loc, FID, FE); |
328 | } |
329 | }; |
330 | |
331 | |
332 | |
333 | |
334 | |
335 | class CaptureDiagnosticConsumer : public DiagnosticConsumer { |
336 | SmallVector<StoredDiagnostic, 4> Errors; |
337 | public: |
338 | |
339 | void HandleDiagnostic(DiagnosticsEngine::Level level, |
340 | const Diagnostic &Info) override { |
341 | if (level >= DiagnosticsEngine::Error) |
342 | Errors.push_back(StoredDiagnostic(level, Info)); |
343 | } |
344 | }; |
345 | |
346 | |
347 | |
348 | |
349 | |
350 | class IndexingFrontendAction : public ASTFrontendAction { |
351 | std::shared_ptr<CXIndexDataConsumer> DataConsumer; |
352 | |
353 | SessionSkipBodyData *SKData; |
354 | std::unique_ptr<TUSkipBodyControl> SKCtrl; |
355 | |
356 | public: |
357 | IndexingFrontendAction(std::shared_ptr<CXIndexDataConsumer> dataConsumer, |
358 | SessionSkipBodyData *skData) |
359 | : DataConsumer(std::move(dataConsumer)), SKData(skData) {} |
360 | |
361 | std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI, |
362 | StringRef InFile) override { |
363 | PreprocessorOptions &PPOpts = CI.getPreprocessorOpts(); |
364 | |
365 | if (!PPOpts.ImplicitPCHInclude.empty()) { |
366 | DataConsumer->importedPCH( |
367 | CI.getFileManager().getFile(PPOpts.ImplicitPCHInclude)); |
368 | } |
369 | |
370 | DataConsumer->setASTContext(CI.getASTContext()); |
371 | Preprocessor &PP = CI.getPreprocessor(); |
372 | PP.addPPCallbacks(llvm::make_unique<IndexPPCallbacks>(PP, *DataConsumer)); |
373 | DataConsumer->setPreprocessor(CI.getPreprocessorPtr()); |
374 | |
375 | if (SKData) { |
376 | auto *PPRec = new PPConditionalDirectiveRecord(PP.getSourceManager()); |
377 | PP.addPPCallbacks(std::unique_ptr<PPCallbacks>(PPRec)); |
378 | SKCtrl = llvm::make_unique<TUSkipBodyControl>(*SKData, *PPRec, PP); |
379 | } |
380 | |
381 | return llvm::make_unique<IndexingConsumer>(*DataConsumer, SKCtrl.get()); |
382 | } |
383 | |
384 | TranslationUnitKind getTranslationUnitKind() override { |
385 | if (DataConsumer->shouldIndexImplicitTemplateInsts()) |
386 | return TU_Complete; |
387 | else |
388 | return TU_Prefix; |
389 | } |
390 | bool hasCodeCompletionSupport() const override { return false; } |
391 | }; |
392 | |
393 | |
394 | |
395 | |
396 | |
397 | static IndexingOptions getIndexingOptionsFromCXOptions(unsigned index_options) { |
398 | IndexingOptions IdxOpts; |
399 | if (index_options & CXIndexOpt_IndexFunctionLocalSymbols) |
400 | IdxOpts.IndexFunctionLocals = true; |
401 | if (index_options & CXIndexOpt_IndexImplicitTemplateInstantiations) |
402 | IdxOpts.IndexImplicitInstantiation = true; |
403 | return IdxOpts; |
404 | } |
405 | |
406 | struct IndexSessionData { |
407 | CXIndex CIdx; |
408 | std::unique_ptr<SessionSkipBodyData> SkipBodyData; |
409 | |
410 | explicit IndexSessionData(CXIndex cIdx) |
411 | : CIdx(cIdx), SkipBodyData(new SessionSkipBodyData) {} |
412 | }; |
413 | |
414 | } |
415 | |
416 | static CXErrorCode clang_indexSourceFile_Impl( |
417 | CXIndexAction cxIdxAction, CXClientData client_data, |
418 | IndexerCallbacks *client_index_callbacks, unsigned index_callbacks_size, |
419 | unsigned index_options, const char *source_filename, |
420 | const char *const *command_line_args, int num_command_line_args, |
421 | ArrayRef<CXUnsavedFile> unsaved_files, CXTranslationUnit *out_TU, |
422 | unsigned TU_options) { |
423 | if (out_TU) |
424 | *out_TU = nullptr; |
425 | bool requestedToGetTU = (out_TU != nullptr); |
426 | |
427 | if (!cxIdxAction) { |
428 | return CXError_InvalidArguments; |
429 | } |
430 | if (!client_index_callbacks || index_callbacks_size == 0) { |
431 | return CXError_InvalidArguments; |
432 | } |
433 | |
434 | IndexerCallbacks CB; |
435 | memset(&CB, 0, sizeof(CB)); |
436 | unsigned ClientCBSize = index_callbacks_size < sizeof(CB) |
437 | ? index_callbacks_size : sizeof(CB); |
438 | memcpy(&CB, client_index_callbacks, ClientCBSize); |
439 | |
440 | IndexSessionData *IdxSession = static_cast<IndexSessionData *>(cxIdxAction); |
441 | CIndexer *CXXIdx = static_cast<CIndexer *>(IdxSession->CIdx); |
442 | |
443 | if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing)) |
444 | setThreadBackgroundPriority(); |
445 | |
446 | bool CaptureDiagnostics = !Logger::isLoggingEnabled(); |
447 | |
448 | CaptureDiagnosticConsumer *CaptureDiag = nullptr; |
449 | if (CaptureDiagnostics) |
450 | CaptureDiag = new CaptureDiagnosticConsumer(); |
451 | |
452 | |
453 | IntrusiveRefCntPtr<DiagnosticsEngine> |
454 | Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions, |
455 | CaptureDiag, |
456 | )); |
457 | |
458 | |
459 | llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine, |
460 | llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> > |
461 | DiagCleanup(Diags.get()); |
462 | |
463 | std::unique_ptr<std::vector<const char *>> Args( |
464 | new std::vector<const char *>()); |
465 | |
466 | |
467 | llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> > |
468 | ArgsCleanup(Args.get()); |
469 | |
470 | Args->insert(Args->end(), command_line_args, |
471 | command_line_args + num_command_line_args); |
472 | |
473 | |
474 | |
475 | |
476 | |
477 | |
478 | if (source_filename) |
479 | Args->push_back(source_filename); |
480 | |
481 | std::shared_ptr<CompilerInvocation> CInvok = |
482 | createInvocationFromCommandLine(*Args, Diags); |
483 | |
484 | if (!CInvok) |
485 | return CXError_Failure; |
486 | |
487 | |
488 | llvm::CrashRecoveryContextCleanupRegistrar< |
489 | std::shared_ptr<CompilerInvocation>, |
490 | llvm::CrashRecoveryContextDestructorCleanup< |
491 | std::shared_ptr<CompilerInvocation>>> |
492 | CInvokCleanup(&CInvok); |
493 | |
494 | if (CInvok->getFrontendOpts().Inputs.empty()) |
495 | return CXError_Failure; |
496 | |
497 | typedef SmallVector<std::unique_ptr<llvm::MemoryBuffer>, 8> MemBufferOwner; |
498 | std::unique_ptr<MemBufferOwner> BufOwner(new MemBufferOwner); |
499 | |
500 | |
501 | llvm::CrashRecoveryContextCleanupRegistrar<MemBufferOwner> BufOwnerCleanup( |
502 | BufOwner.get()); |
503 | |
504 | for (auto &UF : unsaved_files) { |
505 | std::unique_ptr<llvm::MemoryBuffer> MB = |
506 | llvm::MemoryBuffer::getMemBufferCopy(getContents(UF), UF.Filename); |
507 | CInvok->getPreprocessorOpts().addRemappedFile(UF.Filename, MB.get()); |
508 | BufOwner->push_back(std::move(MB)); |
509 | } |
510 | |
511 | |
512 | |
513 | |
514 | |
515 | CInvok->getLangOpts()->SpellChecking = false; |
516 | |
517 | if (index_options & CXIndexOpt_SuppressWarnings) |
518 | CInvok->getDiagnosticOpts().IgnoreWarnings = true; |
519 | |
520 | |
521 | CInvok->getHeaderSearchOpts().ModuleFormat = |
522 | CXXIdx->getPCHContainerOperations()->getRawReader().getFormat(); |
523 | |
524 | auto Unit = ASTUnit::create(CInvok, Diags, CaptureDiagnostics, |
525 | ); |
526 | if (!Unit) |
527 | return CXError_InvalidArguments; |
528 | |
529 | auto *UPtr = Unit.get(); |
530 | std::unique_ptr<CXTUOwner> CXTU( |
531 | new CXTUOwner(MakeCXTranslationUnit(CXXIdx, std::move(Unit)))); |
532 | |
533 | |
534 | llvm::CrashRecoveryContextCleanupRegistrar<CXTUOwner> |
535 | CXTUCleanup(CXTU.get()); |
536 | |
537 | |
538 | |
539 | bool SkipBodies = (index_options & CXIndexOpt_SkipParsedBodiesInSession) && |
540 | CInvok->getLangOpts()->CPlusPlus; |
541 | if (SkipBodies) |
542 | CInvok->getFrontendOpts().SkipFunctionBodies = true; |
543 | |
544 | auto DataConsumer = |
545 | std::make_shared<CXIndexDataConsumer>(client_data, CB, index_options, |
546 | CXTU->getTU()); |
547 | auto InterAction = llvm::make_unique<IndexingFrontendAction>(DataConsumer, |
548 | SkipBodies ? IdxSession->SkipBodyData.get() : nullptr); |
549 | std::unique_ptr<FrontendAction> IndexAction; |
550 | IndexAction = createIndexingAction(DataConsumer, |
551 | getIndexingOptionsFromCXOptions(index_options), |
552 | std::move(InterAction)); |
553 | |
554 | |
555 | llvm::CrashRecoveryContextCleanupRegistrar<FrontendAction> |
556 | IndexActionCleanup(IndexAction.get()); |
557 | |
558 | bool Persistent = requestedToGetTU; |
559 | bool OnlyLocalDecls = false; |
560 | bool PrecompilePreamble = false; |
561 | bool CreatePreambleOnFirstParse = false; |
562 | bool CacheCodeCompletionResults = false; |
563 | PreprocessorOptions &PPOpts = CInvok->getPreprocessorOpts(); |
564 | PPOpts.AllowPCHWithCompilerErrors = true; |
565 | |
566 | if (requestedToGetTU) { |
567 | OnlyLocalDecls = CXXIdx->getOnlyLocalDecls(); |
568 | PrecompilePreamble = TU_options & CXTranslationUnit_PrecompiledPreamble; |
569 | CreatePreambleOnFirstParse = |
570 | TU_options & CXTranslationUnit_CreatePreambleOnFirstParse; |
571 | |
572 | CacheCodeCompletionResults |
573 | = TU_options & CXTranslationUnit_CacheCompletionResults; |
574 | } |
575 | |
576 | if (TU_options & CXTranslationUnit_DetailedPreprocessingRecord) { |
577 | PPOpts.DetailedRecord = true; |
578 | } |
579 | |
580 | if (!requestedToGetTU && !CInvok->getLangOpts()->Modules) |
581 | PPOpts.DetailedRecord = false; |
582 | |
583 | |
584 | |
585 | |
586 | unsigned PrecompilePreambleAfterNParses = |
587 | !PrecompilePreamble ? 0 : 2 - CreatePreambleOnFirstParse; |
588 | DiagnosticErrorTrap DiagTrap(*Diags); |
589 | bool Success = ASTUnit::LoadFromCompilerInvocationAction( |
590 | std::move(CInvok), CXXIdx->getPCHContainerOperations(), Diags, |
591 | IndexAction.get(), UPtr, Persistent, CXXIdx->getClangResourcesPath(), |
592 | OnlyLocalDecls, CaptureDiagnostics, PrecompilePreambleAfterNParses, |
593 | CacheCodeCompletionResults, |
594 | , |
595 | ); |
596 | if (DiagTrap.hasErrorOccurred() && CXXIdx->getDisplayDiagnostics()) |
597 | printDiagsToStderr(UPtr); |
598 | |
599 | if (isASTReadError(UPtr)) |
600 | return CXError_ASTReadError; |
601 | |
602 | if (!Success) |
603 | return CXError_Failure; |
604 | |
605 | if (out_TU) |
606 | *out_TU = CXTU->takeTU(); |
607 | |
608 | return CXError_Success; |
609 | } |
610 | |
611 | |
612 | |
613 | |
614 | |
615 | static void indexPreprocessingRecord(ASTUnit &Unit, CXIndexDataConsumer &IdxCtx) { |
616 | Preprocessor &PP = Unit.getPreprocessor(); |
617 | if (!PP.getPreprocessingRecord()) |
618 | return; |
619 | |
620 | |
621 | |
622 | bool isModuleFile = Unit.isModuleFile(); |
623 | for (PreprocessedEntity *PPE : Unit.getLocalPreprocessingEntities()) { |
624 | if (InclusionDirective *ID = dyn_cast<InclusionDirective>(PPE)) { |
625 | SourceLocation Loc = ID->getSourceRange().getBegin(); |
626 | |
627 | |
628 | if (isModuleFile && Unit.isInMainFileID(Loc)) |
629 | Loc = SourceLocation(); |
630 | IdxCtx.ppIncludedFile(Loc, ID->getFileName(), |
631 | ID->getFile(), |
632 | ID->getKind() == InclusionDirective::Import, |
633 | !ID->wasInQuotes(), ID->importedModule()); |
634 | } |
635 | } |
636 | } |
637 | |
638 | static CXErrorCode ( |
639 | CXIndexAction idxAction, CXClientData client_data, |
640 | IndexerCallbacks *client_index_callbacks, unsigned index_callbacks_size, |
641 | unsigned index_options, CXTranslationUnit TU) { |
642 | |
643 | if (isNotUsableTU(TU)) { |
644 | LOG_BAD_TU(TU); |
645 | return CXError_InvalidArguments; |
646 | } |
647 | if (!client_index_callbacks || index_callbacks_size == 0) { |
648 | return CXError_InvalidArguments; |
649 | } |
650 | |
651 | CIndexer *CXXIdx = TU->CIdx; |
652 | if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing)) |
653 | setThreadBackgroundPriority(); |
654 | |
655 | IndexerCallbacks CB; |
656 | memset(&CB, 0, sizeof(CB)); |
657 | unsigned ClientCBSize = index_callbacks_size < sizeof(CB) |
658 | ? index_callbacks_size : sizeof(CB); |
659 | memcpy(&CB, client_index_callbacks, ClientCBSize); |
660 | |
661 | CXIndexDataConsumer DataConsumer(client_data, CB, index_options, TU); |
662 | |
663 | ASTUnit *Unit = cxtu::getASTUnit(TU); |
664 | if (!Unit) |
665 | return CXError_Failure; |
666 | |
667 | ASTUnit::ConcurrencyCheck Check(*Unit); |
668 | |
669 | if (const FileEntry *PCHFile = Unit->getPCHFile()) |
670 | DataConsumer.importedPCH(PCHFile); |
671 | |
672 | FileManager &FileMgr = Unit->getFileManager(); |
673 | |
674 | if (Unit->getOriginalSourceFileName().empty()) |
675 | DataConsumer.enteredMainFile(nullptr); |
676 | else |
677 | DataConsumer.enteredMainFile( |
678 | FileMgr.getFile(Unit->getOriginalSourceFileName())); |
679 | |
680 | DataConsumer.setASTContext(Unit->getASTContext()); |
681 | DataConsumer.startedTranslationUnit(); |
682 | |
683 | indexPreprocessingRecord(*Unit, DataConsumer); |
684 | indexASTUnit(*Unit, DataConsumer, getIndexingOptionsFromCXOptions(index_options)); |
685 | DataConsumer.indexDiagnostics(); |
686 | |
687 | return CXError_Success; |
688 | } |
689 | |
690 | |
691 | |
692 | |
693 | |
694 | int clang_index_isEntityObjCContainerKind(CXIdxEntityKind K) { |
695 | return CXIdxEntity_ObjCClass <= K && K <= CXIdxEntity_ObjCCategory; |
696 | } |
697 | |
698 | const CXIdxObjCContainerDeclInfo * |
699 | clang_index_getObjCContainerDeclInfo(const CXIdxDeclInfo *DInfo) { |
700 | if (!DInfo) |
701 | return nullptr; |
702 | |
703 | const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo); |
704 | if (const ObjCContainerDeclInfo * |
705 | ContInfo = dyn_cast<ObjCContainerDeclInfo>(DI)) |
706 | return &ContInfo->ObjCContDeclInfo; |
707 | |
708 | return nullptr; |
709 | } |
710 | |
711 | const CXIdxObjCInterfaceDeclInfo * |
712 | clang_index_getObjCInterfaceDeclInfo(const CXIdxDeclInfo *DInfo) { |
713 | if (!DInfo) |
714 | return nullptr; |
715 | |
716 | const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo); |
717 | if (const ObjCInterfaceDeclInfo * |
718 | InterInfo = dyn_cast<ObjCInterfaceDeclInfo>(DI)) |
719 | return &InterInfo->ObjCInterDeclInfo; |
720 | |
721 | return nullptr; |
722 | } |
723 | |
724 | const CXIdxObjCCategoryDeclInfo * |
725 | clang_index_getObjCCategoryDeclInfo(const CXIdxDeclInfo *DInfo){ |
726 | if (!DInfo) |
727 | return nullptr; |
728 | |
729 | const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo); |
730 | if (const ObjCCategoryDeclInfo * |
731 | CatInfo = dyn_cast<ObjCCategoryDeclInfo>(DI)) |
732 | return &CatInfo->ObjCCatDeclInfo; |
733 | |
734 | return nullptr; |
735 | } |
736 | |
737 | const CXIdxObjCProtocolRefListInfo * |
738 | clang_index_getObjCProtocolRefListInfo(const CXIdxDeclInfo *DInfo) { |
739 | if (!DInfo) |
740 | return nullptr; |
741 | |
742 | const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo); |
743 | |
744 | if (const ObjCInterfaceDeclInfo * |
745 | InterInfo = dyn_cast<ObjCInterfaceDeclInfo>(DI)) |
746 | return InterInfo->ObjCInterDeclInfo.protocols; |
747 | |
748 | if (const ObjCProtocolDeclInfo * |
749 | ProtInfo = dyn_cast<ObjCProtocolDeclInfo>(DI)) |
750 | return &ProtInfo->ObjCProtoRefListInfo; |
751 | |
752 | if (const ObjCCategoryDeclInfo *CatInfo = dyn_cast<ObjCCategoryDeclInfo>(DI)) |
753 | return CatInfo->ObjCCatDeclInfo.protocols; |
754 | |
755 | return nullptr; |
756 | } |
757 | |
758 | const CXIdxObjCPropertyDeclInfo * |
759 | clang_index_getObjCPropertyDeclInfo(const CXIdxDeclInfo *DInfo) { |
760 | if (!DInfo) |
761 | return nullptr; |
762 | |
763 | const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo); |
764 | if (const ObjCPropertyDeclInfo *PropInfo = dyn_cast<ObjCPropertyDeclInfo>(DI)) |
765 | return &PropInfo->ObjCPropDeclInfo; |
766 | |
767 | return nullptr; |
768 | } |
769 | |
770 | const CXIdxIBOutletCollectionAttrInfo * |
771 | clang_index_getIBOutletCollectionAttrInfo(const CXIdxAttrInfo *AInfo) { |
772 | if (!AInfo) |
773 | return nullptr; |
774 | |
775 | const AttrInfo *DI = static_cast<const AttrInfo *>(AInfo); |
776 | if (const IBOutletCollectionInfo * |
777 | IBInfo = dyn_cast<IBOutletCollectionInfo>(DI)) |
778 | return &IBInfo->IBCollInfo; |
779 | |
780 | return nullptr; |
781 | } |
782 | |
783 | const CXIdxCXXClassDeclInfo * |
784 | clang_index_getCXXClassDeclInfo(const CXIdxDeclInfo *DInfo) { |
785 | if (!DInfo) |
786 | return nullptr; |
787 | |
788 | const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo); |
789 | if (const CXXClassDeclInfo *ClassInfo = dyn_cast<CXXClassDeclInfo>(DI)) |
790 | return &ClassInfo->CXXClassInfo; |
791 | |
792 | return nullptr; |
793 | } |
794 | |
795 | CXIdxClientContainer |
796 | clang_index_getClientContainer(const CXIdxContainerInfo *info) { |
797 | if (!info) |
798 | return nullptr; |
799 | const ContainerInfo *Container = static_cast<const ContainerInfo *>(info); |
800 | return Container->IndexCtx->getClientContainerForDC(Container->DC); |
801 | } |
802 | |
803 | void clang_index_setClientContainer(const CXIdxContainerInfo *info, |
804 | CXIdxClientContainer client) { |
805 | if (!info) |
806 | return; |
807 | const ContainerInfo *Container = static_cast<const ContainerInfo *>(info); |
808 | Container->IndexCtx->addContainerInMap(Container->DC, client); |
809 | } |
810 | |
811 | CXIdxClientEntity clang_index_getClientEntity(const CXIdxEntityInfo *info) { |
812 | if (!info) |
813 | return nullptr; |
814 | const EntityInfo *Entity = static_cast<const EntityInfo *>(info); |
815 | return Entity->IndexCtx->getClientEntity(Entity->Dcl); |
816 | } |
817 | |
818 | void clang_index_setClientEntity(const CXIdxEntityInfo *info, |
819 | CXIdxClientEntity client) { |
820 | if (!info) |
821 | return; |
822 | const EntityInfo *Entity = static_cast<const EntityInfo *>(info); |
823 | Entity->IndexCtx->setClientEntity(Entity->Dcl, client); |
824 | } |
825 | |
826 | CXIndexAction clang_IndexAction_create(CXIndex CIdx) { |
827 | return new IndexSessionData(CIdx); |
828 | } |
829 | |
830 | void clang_IndexAction_dispose(CXIndexAction idxAction) { |
831 | if (idxAction) |
832 | delete static_cast<IndexSessionData *>(idxAction); |
833 | } |
834 | |
835 | int clang_indexSourceFile(CXIndexAction idxAction, |
836 | CXClientData client_data, |
837 | IndexerCallbacks *index_callbacks, |
838 | unsigned index_callbacks_size, |
839 | unsigned index_options, |
840 | const char *source_filename, |
841 | const char * const *command_line_args, |
842 | int num_command_line_args, |
843 | struct CXUnsavedFile *unsaved_files, |
844 | unsigned num_unsaved_files, |
845 | CXTranslationUnit *out_TU, |
846 | unsigned TU_options) { |
847 | SmallVector<const char *, 4> Args; |
848 | Args.push_back("clang"); |
849 | Args.append(command_line_args, command_line_args + num_command_line_args); |
850 | return clang_indexSourceFileFullArgv( |
851 | idxAction, client_data, index_callbacks, index_callbacks_size, |
852 | index_options, source_filename, Args.data(), Args.size(), unsaved_files, |
853 | num_unsaved_files, out_TU, TU_options); |
854 | } |
855 | |
856 | int clang_indexSourceFileFullArgv( |
857 | CXIndexAction idxAction, CXClientData client_data, |
858 | IndexerCallbacks *index_callbacks, unsigned index_callbacks_size, |
859 | unsigned index_options, const char *source_filename, |
860 | const char *const *command_line_args, int num_command_line_args, |
861 | struct CXUnsavedFile *unsaved_files, unsigned num_unsaved_files, |
862 | CXTranslationUnit *out_TU, unsigned TU_options) { |
863 | LOG_FUNC_SECTION { |
864 | *Log << source_filename << ": "; |
865 | for (int i = 0; i != num_command_line_args; ++i) |
866 | *Log << command_line_args[i] << " "; |
867 | } |
868 | |
869 | if (num_unsaved_files && !unsaved_files) |
870 | return CXError_InvalidArguments; |
871 | |
872 | CXErrorCode result = CXError_Failure; |
873 | auto IndexSourceFileImpl = [=, &result]() { |
874 | result = clang_indexSourceFile_Impl( |
875 | idxAction, client_data, index_callbacks, index_callbacks_size, |
876 | index_options, source_filename, command_line_args, |
877 | num_command_line_args, |
878 | llvm::makeArrayRef(unsaved_files, num_unsaved_files), out_TU, |
879 | TU_options); |
880 | }; |
881 | |
882 | llvm::CrashRecoveryContext CRC; |
883 | |
884 | if (!RunSafely(CRC, IndexSourceFileImpl)) { |
885 | fprintf(stderr, "libclang: crash detected during indexing source file: {\n"); |
886 | fprintf(stderr, " 'source_filename' : '%s'\n", source_filename); |
887 | fprintf(stderr, " 'command_line_args' : ["); |
888 | for (int i = 0; i != num_command_line_args; ++i) { |
889 | if (i) |
890 | fprintf(stderr, ", "); |
891 | fprintf(stderr, "'%s'", command_line_args[i]); |
892 | } |
893 | fprintf(stderr, "],\n"); |
894 | fprintf(stderr, " 'unsaved_files' : ["); |
895 | for (unsigned i = 0; i != num_unsaved_files; ++i) { |
896 | if (i) |
897 | fprintf(stderr, ", "); |
898 | fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename, |
899 | unsaved_files[i].Length); |
900 | } |
901 | fprintf(stderr, "],\n"); |
902 | fprintf(stderr, " 'options' : %d,\n", TU_options); |
903 | fprintf(stderr, "}\n"); |
904 | |
905 | return 1; |
906 | } else if (getenv("LIBCLANG_RESOURCE_USAGE")) { |
907 | if (out_TU) |
908 | PrintLibclangResourceUsage(*out_TU); |
909 | } |
910 | |
911 | return result; |
912 | } |
913 | |
914 | int (CXIndexAction idxAction, |
915 | CXClientData client_data, |
916 | IndexerCallbacks *index_callbacks, |
917 | unsigned index_callbacks_size, |
918 | unsigned index_options, |
919 | CXTranslationUnit TU) { |
920 | LOG_FUNC_SECTION { |
921 | *Log << TU; |
922 | } |
923 | |
924 | CXErrorCode result; |
925 | auto = [=, &result]() { |
926 | result = clang_indexTranslationUnit_Impl( |
927 | idxAction, client_data, index_callbacks, index_callbacks_size, |
928 | index_options, TU); |
929 | }; |
930 | |
931 | llvm::CrashRecoveryContext CRC; |
932 | |
933 | if (!RunSafely(CRC, IndexTranslationUnitImpl)) { |
934 | fprintf(stderr, "libclang: crash detected during indexing TU\n"); |
935 | |
936 | return 1; |
937 | } |
938 | |
939 | return result; |
940 | } |
941 | |
942 | void clang_indexLoc_getFileLocation(CXIdxLoc location, |
943 | CXIdxClientFile *indexFile, |
944 | CXFile *file, |
945 | unsigned *line, |
946 | unsigned *column, |
947 | unsigned *offset) { |
948 | if (indexFile) *indexFile = nullptr; |
949 | if (file) *file = nullptr; |
950 | if (line) *line = 0; |
951 | if (column) *column = 0; |
952 | if (offset) *offset = 0; |
953 | |
954 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
955 | if (!location.ptr_data[0] || Loc.isInvalid()) |
956 | return; |
957 | |
958 | CXIndexDataConsumer &DataConsumer = |
959 | *static_cast<CXIndexDataConsumer*>(location.ptr_data[0]); |
960 | DataConsumer.translateLoc(Loc, indexFile, file, line, column, offset); |
961 | } |
962 | |
963 | CXSourceLocation clang_indexLoc_getCXSourceLocation(CXIdxLoc location) { |
964 | SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data); |
965 | if (!location.ptr_data[0] || Loc.isInvalid()) |
966 | return clang_getNullLocation(); |
967 | |
968 | CXIndexDataConsumer &DataConsumer = |
969 | *static_cast<CXIndexDataConsumer*>(location.ptr_data[0]); |
970 | return cxloc::translateSourceLocation(DataConsumer.getASTContext(), Loc); |
971 | } |
972 | |
973 | |