| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 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 | |
| 43 | |
| 44 | |
| 45 | |
| 46 | |
| 47 | |
| 48 | |
| 49 | |
| 50 | |
| 51 | |
| 52 | |
| 53 | |
| 54 | |
| 55 | |
| 56 | |
| 57 | |
| 58 | |
| 59 | |
| 60 | |
| 61 | |
| 62 | |
| 63 | |
| 64 | |
| 65 | |
| 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 | |