1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 64 switch (Kind) { 65 default: 66 llvm_unreachable("Unknown analysis client!"); 67 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 68 case NAME: return CMDFLAG; 69 #include "clang/Frontend/Analyses.def" 70 } 71 } 72 73 //===----------------------------------------------------------------------===// 74 // Serialization (to args) 75 //===----------------------------------------------------------------------===// 76 77 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 78 std::vector<std::string> &Res) { 79 if (Opts.ShowCheckerHelp) 80 Res.push_back("-analyzer-checker-help"); 81 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 82 Res.push_back("-analyzer-store"); 83 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 84 } 85 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 86 Res.push_back("-analyzer-constraints"); 87 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 88 } 89 if (Opts.AnalysisDiagOpt != PD_HTML) { 90 Res.push_back("-analyzer-output"); 91 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 92 } 93 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 94 Res.push_back("-analyzer-purge"); 95 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 96 } 97 if (!Opts.AnalyzeSpecificFunction.empty()) { 98 Res.push_back("-analyze-function"); 99 Res.push_back(Opts.AnalyzeSpecificFunction); 100 } 101 if (Opts.AnalyzeAll) 102 Res.push_back("-analyzer-opt-analyze-headers"); 103 if (Opts.AnalyzerDisplayProgress) 104 Res.push_back("-analyzer-display-progress"); 105 if (Opts.AnalyzeNestedBlocks) 106 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 107 if (Opts.EagerlyAssume) 108 Res.push_back("-analyzer-eagerly-assume"); 109 if (Opts.TrimGraph) 110 Res.push_back("-trim-egraph"); 111 if (Opts.VisualizeEGDot) 112 Res.push_back("-analyzer-viz-egraph-graphviz"); 113 if (Opts.VisualizeEGUbi) 114 Res.push_back("-analyzer-viz-egraph-ubigraph"); 115 116 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 117 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 118 if (opt.second) 119 Res.push_back("-analyzer-disable-checker"); 120 else 121 Res.push_back("-analyzer-checker"); 122 Res.push_back(opt.first); 123 } 124 } 125 126 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 127 std::vector<std::string> &Res) { 128 if (Opts.DebugInfo) 129 Res.push_back("-g"); 130 if (Opts.DisableLLVMOpts) 131 Res.push_back("-disable-llvm-optzns"); 132 if (Opts.DisableRedZone) 133 Res.push_back("-disable-red-zone"); 134 if (!Opts.DwarfDebugFlags.empty()) { 135 Res.push_back("-dwarf-debug-flags"); 136 Res.push_back(Opts.DwarfDebugFlags); 137 } 138 if (Opts.ObjCRuntimeHasARC) 139 Res.push_back("-fobjc-runtime-has-arc"); 140 if (Opts.ObjCRuntimeHasTerminate) 141 Res.push_back("-fobjc-runtime-has-terminate"); 142 if (Opts.EmitGcovArcs) 143 Res.push_back("-femit-coverage-data"); 144 if (Opts.EmitGcovNotes) 145 Res.push_back("-femit-coverage-notes"); 146 if (!Opts.MergeAllConstants) 147 Res.push_back("-fno-merge-all-constants"); 148 if (Opts.NoCommon) 149 Res.push_back("-fno-common"); 150 if (Opts.ForbidGuardVariables) 151 Res.push_back("-fforbid-guard-variables"); 152 if (Opts.UseRegisterSizedBitfieldAccess) 153 Res.push_back("-fuse-register-sized-bitfield-access"); 154 if (Opts.NoImplicitFloat) 155 Res.push_back("-no-implicit-float"); 156 if (Opts.OmitLeafFramePointer) 157 Res.push_back("-momit-leaf-frame-pointer"); 158 if (Opts.OptimizeSize) { 159 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 160 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 161 } else if (Opts.OptimizationLevel != 0) 162 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 163 if (!Opts.MainFileName.empty()) { 164 Res.push_back("-main-file-name"); 165 Res.push_back(Opts.MainFileName); 166 } 167 // SimplifyLibCalls is only derived. 168 // TimePasses is only derived. 169 // UnitAtATime is unused. 170 // Inlining is only derived. 171 172 // UnrollLoops is derived, but also accepts an option, no 173 // harm in pushing it back here. 174 if (Opts.UnrollLoops) 175 Res.push_back("-funroll-loops"); 176 if (Opts.DataSections) 177 Res.push_back("-fdata-sections"); 178 if (Opts.FunctionSections) 179 Res.push_back("-ffunction-sections"); 180 if (Opts.AsmVerbose) 181 Res.push_back("-masm-verbose"); 182 if (!Opts.CodeModel.empty()) { 183 Res.push_back("-mcode-model"); 184 Res.push_back(Opts.CodeModel); 185 } 186 if (Opts.CUDAIsDevice) 187 Res.push_back("-fcuda-is-device"); 188 if (!Opts.CXAAtExit) 189 Res.push_back("-fno-use-cxa-atexit"); 190 if (Opts.CXXCtorDtorAliases) 191 Res.push_back("-mconstructor-aliases"); 192 if (Opts.ObjCAutoRefCountExceptions) 193 Res.push_back("-fobjc-arc-eh"); 194 if (!Opts.DebugPass.empty()) { 195 Res.push_back("-mdebug-pass"); 196 Res.push_back(Opts.DebugPass); 197 } 198 if (Opts.DisableFPElim) 199 Res.push_back("-mdisable-fp-elim"); 200 if (!Opts.FloatABI.empty()) { 201 Res.push_back("-mfloat-abi"); 202 Res.push_back(Opts.FloatABI); 203 } 204 if (!Opts.LimitFloatPrecision.empty()) { 205 Res.push_back("-mlimit-float-precision"); 206 Res.push_back(Opts.LimitFloatPrecision); 207 } 208 if (Opts.NoZeroInitializedInBSS) 209 Res.push_back("-mno-zero-initialized-bss"); 210 switch (Opts.getObjCDispatchMethod()) { 211 case CodeGenOptions::Legacy: 212 break; 213 case CodeGenOptions::Mixed: 214 Res.push_back("-fobjc-dispatch-method=mixed"); 215 break; 216 case CodeGenOptions::NonLegacy: 217 Res.push_back("-fobjc-dispatch-method=non-legacy"); 218 break; 219 } 220 if (Opts.NumRegisterParameters) { 221 Res.push_back("-mregparm"); 222 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 223 } 224 if (Opts.NoGlobalMerge) 225 Res.push_back("-mno-global-merge"); 226 if (Opts.NoExecStack) 227 Res.push_back("-mnoexecstack"); 228 if (Opts.RelaxAll) 229 Res.push_back("-mrelax-all"); 230 if (Opts.SaveTempLabels) 231 Res.push_back("-msave-temp-labels"); 232 if (Opts.NoDwarf2CFIAsm) 233 Res.push_back("-fno-dwarf2-cfi-asm"); 234 if (Opts.NoDwarfDirectoryAsm) 235 Res.push_back("-fno-dwarf-directory-asm"); 236 if (Opts.SoftFloat) 237 Res.push_back("-msoft-float"); 238 if (Opts.UnwindTables) 239 Res.push_back("-munwind-tables"); 240 if (Opts.RelocationModel != "pic") { 241 Res.push_back("-mrelocation-model"); 242 Res.push_back(Opts.RelocationModel); 243 } 244 if (!Opts.VerifyModule) 245 Res.push_back("-disable-llvm-verifier"); 246 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 247 Res.push_back("-backend-option"); 248 Res.push_back(Opts.BackendOptions[i]); 249 } 250 } 251 252 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 253 std::vector<std::string> &Res) { 254 if (Opts.IncludeSystemHeaders) 255 Res.push_back("-sys-header-deps"); 256 if (Opts.ShowHeaderIncludes) 257 Res.push_back("-H"); 258 if (!Opts.HeaderIncludeOutputFile.empty()) { 259 Res.push_back("-header-include-file"); 260 Res.push_back(Opts.HeaderIncludeOutputFile); 261 } 262 if (Opts.UsePhonyTargets) 263 Res.push_back("-MP"); 264 if (!Opts.OutputFile.empty()) { 265 Res.push_back("-dependency-file"); 266 Res.push_back(Opts.OutputFile); 267 } 268 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 269 Res.push_back("-MT"); 270 Res.push_back(Opts.Targets[i]); 271 } 272 } 273 274 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 275 std::vector<std::string> &Res) { 276 if (Opts.IgnoreWarnings) 277 Res.push_back("-w"); 278 if (Opts.NoRewriteMacros) 279 Res.push_back("-Wno-rewrite-macros"); 280 if (Opts.Pedantic) 281 Res.push_back("-pedantic"); 282 if (Opts.PedanticErrors) 283 Res.push_back("-pedantic-errors"); 284 if (!Opts.ShowColumn) 285 Res.push_back("-fno-show-column"); 286 if (!Opts.ShowLocation) 287 Res.push_back("-fno-show-source-location"); 288 if (!Opts.ShowCarets) 289 Res.push_back("-fno-caret-diagnostics"); 290 if (!Opts.ShowFixits) 291 Res.push_back("-fno-diagnostics-fixit-info"); 292 if (Opts.ShowSourceRanges) 293 Res.push_back("-fdiagnostics-print-source-range-info"); 294 if (Opts.ShowParseableFixits) 295 Res.push_back("-fdiagnostics-parseable-fixits"); 296 if (Opts.ShowColors) 297 Res.push_back("-fcolor-diagnostics"); 298 if (Opts.VerifyDiagnostics) 299 Res.push_back("-verify"); 300 if (Opts.ShowNames) 301 Res.push_back("-fdiagnostics-show-name"); 302 if (Opts.ShowOptionNames) 303 Res.push_back("-fdiagnostics-show-option"); 304 if (Opts.ShowCategories == 1) 305 Res.push_back("-fdiagnostics-show-category=id"); 306 else if (Opts.ShowCategories == 2) 307 Res.push_back("-fdiagnostics-show-category=name"); 308 switch (Opts.Format) { 309 case DiagnosticOptions::Clang: 310 Res.push_back("-fdiagnostics-format=clang"); break; 311 case DiagnosticOptions::Msvc: 312 Res.push_back("-fdiagnostics-format=msvc"); break; 313 case DiagnosticOptions::Vi: 314 Res.push_back("-fdiagnostics-format=vi"); break; 315 } 316 if (Opts.ErrorLimit) { 317 Res.push_back("-ferror-limit"); 318 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 319 } 320 if (!Opts.DiagnosticLogFile.empty()) { 321 Res.push_back("-diagnostic-log-file"); 322 Res.push_back(Opts.DiagnosticLogFile); 323 } 324 if (Opts.MacroBacktraceLimit 325 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 326 Res.push_back("-fmacro-backtrace-limit"); 327 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 328 } 329 if (Opts.TemplateBacktraceLimit 330 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 331 Res.push_back("-ftemplate-backtrace-limit"); 332 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 333 } 334 335 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 336 Res.push_back("-ftabstop"); 337 Res.push_back(llvm::utostr(Opts.TabStop)); 338 } 339 if (Opts.MessageLength) { 340 Res.push_back("-fmessage-length"); 341 Res.push_back(llvm::utostr(Opts.MessageLength)); 342 } 343 if (!Opts.DumpBuildInformation.empty()) { 344 Res.push_back("-dump-build-information"); 345 Res.push_back(Opts.DumpBuildInformation); 346 } 347 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 348 Res.push_back("-W" + Opts.Warnings[i]); 349 } 350 351 static const char *getInputKindName(InputKind Kind) { 352 switch (Kind) { 353 case IK_None: break; 354 case IK_AST: return "ast"; 355 case IK_Asm: return "assembler-with-cpp"; 356 case IK_C: return "c"; 357 case IK_CXX: return "c++"; 358 case IK_LLVM_IR: return "ir"; 359 case IK_ObjC: return "objective-c"; 360 case IK_ObjCXX: return "objective-c++"; 361 case IK_OpenCL: return "cl"; 362 case IK_CUDA: return "cuda"; 363 case IK_PreprocessedC: return "cpp-output"; 364 case IK_PreprocessedCXX: return "c++-cpp-output"; 365 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 366 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 367 } 368 369 llvm_unreachable("Unexpected language kind!"); 370 return 0; 371 } 372 373 static const char *getActionName(frontend::ActionKind Kind) { 374 switch (Kind) { 375 case frontend::PluginAction: 376 llvm_unreachable("Invalid kind!"); 377 378 case frontend::ASTDump: return "-ast-dump"; 379 case frontend::ASTDumpXML: return "-ast-dump-xml"; 380 case frontend::ASTPrint: return "-ast-print"; 381 case frontend::ASTView: return "-ast-view"; 382 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 383 case frontend::DumpTokens: return "-dump-tokens"; 384 case frontend::EmitAssembly: return "-S"; 385 case frontend::EmitBC: return "-emit-llvm-bc"; 386 case frontend::EmitHTML: return "-emit-html"; 387 case frontend::EmitLLVM: return "-emit-llvm"; 388 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 389 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 390 case frontend::EmitObj: return "-emit-obj"; 391 case frontend::FixIt: return "-fixit"; 392 case frontend::GenerateModule: return "-emit-module"; 393 case frontend::GeneratePCH: return "-emit-pch"; 394 case frontend::GeneratePTH: return "-emit-pth"; 395 case frontend::InitOnly: return "-init-only"; 396 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 397 case frontend::PrintDeclContext: return "-print-decl-contexts"; 398 case frontend::PrintPreamble: return "-print-preamble"; 399 case frontend::PrintPreprocessedInput: return "-E"; 400 case frontend::RewriteMacros: return "-rewrite-macros"; 401 case frontend::RewriteObjC: return "-rewrite-objc"; 402 case frontend::RewriteTest: return "-rewrite-test"; 403 case frontend::RunAnalysis: return "-analyze"; 404 case frontend::RunPreprocessorOnly: return "-Eonly"; 405 } 406 407 llvm_unreachable("Unexpected language kind!"); 408 return 0; 409 } 410 411 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 412 std::vector<std::string> &Res) { 413 if (!Opts.WorkingDir.empty()) { 414 Res.push_back("-working-directory"); 415 Res.push_back(Opts.WorkingDir); 416 } 417 } 418 419 static void FrontendOptsToArgs(const FrontendOptions &Opts, 420 std::vector<std::string> &Res) { 421 if (Opts.DisableFree) 422 Res.push_back("-disable-free"); 423 if (Opts.RelocatablePCH) 424 Res.push_back("-relocatable-pch"); 425 if (Opts.ShowHelp) 426 Res.push_back("-help"); 427 if (Opts.ShowMacrosInCodeCompletion) 428 Res.push_back("-code-completion-macros"); 429 if (Opts.ShowCodePatternsInCodeCompletion) 430 Res.push_back("-code-completion-patterns"); 431 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 432 Res.push_back("-no-code-completion-globals"); 433 if (Opts.ShowStats) 434 Res.push_back("-print-stats"); 435 if (Opts.ShowTimers) 436 Res.push_back("-ftime-report"); 437 if (Opts.ShowVersion) 438 Res.push_back("-version"); 439 if (Opts.FixWhatYouCan) 440 Res.push_back("-fix-what-you-can"); 441 switch (Opts.ARCMTAction) { 442 case FrontendOptions::ARCMT_None: 443 break; 444 case FrontendOptions::ARCMT_Check: 445 Res.push_back("-arcmt-check"); 446 break; 447 case FrontendOptions::ARCMT_Modify: 448 Res.push_back("-arcmt-modify"); 449 break; 450 case FrontendOptions::ARCMT_Migrate: 451 Res.push_back("-arcmt-migrate"); 452 break; 453 } 454 if (!Opts.ARCMTMigrateDir.empty()) { 455 Res.push_back("-arcmt-migrate-directory"); 456 Res.push_back(Opts.ARCMTMigrateDir); 457 } 458 if (!Opts.ARCMTMigrateReportOut.empty()) { 459 Res.push_back("-arcmt-migrate-report-output"); 460 Res.push_back(Opts.ARCMTMigrateReportOut); 461 } 462 if (Opts.ARCMTMigrateEmitARCErrors) 463 Res.push_back("-arcmt-migrate-emit-errors"); 464 465 bool NeedLang = false; 466 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 467 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 468 Opts.Inputs[i].first) 469 NeedLang = true; 470 if (NeedLang) { 471 Res.push_back("-x"); 472 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 473 } 474 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 475 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 476 "Unable to represent this input vector!"); 477 Res.push_back(Opts.Inputs[i].second); 478 } 479 480 if (!Opts.OutputFile.empty()) { 481 Res.push_back("-o"); 482 Res.push_back(Opts.OutputFile); 483 } 484 if (!Opts.CodeCompletionAt.FileName.empty()) { 485 Res.push_back("-code-completion-at"); 486 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 487 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 488 llvm::utostr(Opts.CodeCompletionAt.Column)); 489 } 490 if (Opts.ProgramAction != frontend::PluginAction) 491 Res.push_back(getActionName(Opts.ProgramAction)); 492 if (!Opts.ActionName.empty()) { 493 Res.push_back("-plugin"); 494 Res.push_back(Opts.ActionName); 495 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 496 Res.push_back("-plugin-arg-" + Opts.ActionName); 497 Res.push_back(Opts.PluginArgs[i]); 498 } 499 } 500 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 501 Res.push_back("-load"); 502 Res.push_back(Opts.Plugins[i]); 503 } 504 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 505 Res.push_back("-add-plugin"); 506 Res.push_back(Opts.AddPluginActions[i]); 507 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 508 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 509 Res.push_back(Opts.AddPluginArgs[i][ai]); 510 } 511 } 512 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 513 Res.push_back("-ast-merge"); 514 Res.push_back(Opts.ASTMergeFiles[i]); 515 } 516 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 517 Res.push_back("-mllvm"); 518 Res.push_back(Opts.LLVMArgs[i]); 519 } 520 } 521 522 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 523 std::vector<std::string> &Res) { 524 if (Opts.Sysroot != "/") { 525 Res.push_back("-isysroot"); 526 Res.push_back(Opts.Sysroot); 527 } 528 529 /// User specified include entries. 530 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 531 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 532 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 533 llvm::report_fatal_error("Invalid option set!"); 534 if (E.IsUserSupplied) { 535 switch (E.Group) { 536 case frontend::After: 537 Res.push_back("-idirafter"); 538 break; 539 540 case frontend::Quoted: 541 Res.push_back("-iquote"); 542 break; 543 544 case frontend::System: 545 Res.push_back("-isystem"); 546 break; 547 548 case frontend::IndexHeaderMap: 549 Res.push_back("-index-header-map"); 550 Res.push_back(E.IsFramework? "-F" : "-I"); 551 break; 552 553 case frontend::CSystem: 554 Res.push_back("-c-isystem"); 555 break; 556 557 case frontend::CXXSystem: 558 Res.push_back("-cxx-isystem"); 559 break; 560 561 case frontend::ObjCSystem: 562 Res.push_back("-objc-isystem"); 563 break; 564 565 case frontend::ObjCXXSystem: 566 Res.push_back("-objcxx-isystem"); 567 break; 568 569 case frontend::Angled: 570 Res.push_back(E.IsFramework ? "-F" : "-I"); 571 break; 572 } 573 } else { 574 if (E.Group != frontend::Angled && E.Group != frontend::System) 575 llvm::report_fatal_error("Invalid option set!"); 576 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 577 "-iwithprefix"); 578 } 579 Res.push_back(E.Path); 580 } 581 582 if (!Opts.ResourceDir.empty()) { 583 Res.push_back("-resource-dir"); 584 Res.push_back(Opts.ResourceDir); 585 } 586 if (!Opts.ModuleCachePath.empty()) { 587 Res.push_back("-fmodule-cache-path"); 588 Res.push_back(Opts.ModuleCachePath); 589 } 590 if (!Opts.UseStandardSystemIncludes) 591 Res.push_back("-nostdsysteminc"); 592 if (!Opts.UseStandardCXXIncludes) 593 Res.push_back("-nostdinc++"); 594 if (Opts.UseLibcxx) 595 Res.push_back("-stdlib=libc++"); 596 if (Opts.Verbose) 597 Res.push_back("-v"); 598 } 599 600 static void LangOptsToArgs(const LangOptions &Opts, 601 std::vector<std::string> &Res) { 602 LangOptions DefaultLangOpts; 603 604 // FIXME: Need to set -std to get all the implicit options. 605 606 // FIXME: We want to only pass options relative to the defaults, which 607 // requires constructing a target. :( 608 // 609 // It would be better to push the all target specific choices into the driver, 610 // so that everything below that was more uniform. 611 612 if (Opts.Trigraphs) 613 Res.push_back("-trigraphs"); 614 // Implicit based on the input kind: 615 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 616 // Implicit based on the input language standard: 617 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 618 if (Opts.DollarIdents) 619 Res.push_back("-fdollars-in-identifiers"); 620 if (Opts.GNUMode && !Opts.GNUKeywords) 621 Res.push_back("-fno-gnu-keywords"); 622 if (!Opts.GNUMode && Opts.GNUKeywords) 623 Res.push_back("-fgnu-keywords"); 624 if (Opts.MicrosoftExt) 625 Res.push_back("-fms-extensions"); 626 if (Opts.MSCVersion != 0) 627 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 628 if (Opts.Borland) 629 Res.push_back("-fborland-extensions"); 630 if (!Opts.ObjCNonFragileABI) 631 Res.push_back("-fobjc-fragile-abi"); 632 if (Opts.ObjCDefaultSynthProperties) 633 Res.push_back("-fobjc-default-synthesize-properties"); 634 // NoInline is implicit. 635 if (!Opts.CXXOperatorNames) 636 Res.push_back("-fno-operator-names"); 637 if (Opts.PascalStrings) 638 Res.push_back("-fpascal-strings"); 639 if (Opts.CatchUndefined) 640 Res.push_back("-fcatch-undefined-behavior"); 641 if (Opts.WritableStrings) 642 Res.push_back("-fwritable-strings"); 643 if (Opts.ConstStrings) 644 Res.push_back("-fconst-strings"); 645 if (!Opts.LaxVectorConversions) 646 Res.push_back("-fno-lax-vector-conversions"); 647 if (Opts.AltiVec) 648 Res.push_back("-faltivec"); 649 if (Opts.Exceptions) 650 Res.push_back("-fexceptions"); 651 if (Opts.ObjCExceptions) 652 Res.push_back("-fobjc-exceptions"); 653 if (Opts.CXXExceptions) 654 Res.push_back("-fcxx-exceptions"); 655 if (Opts.SjLjExceptions) 656 Res.push_back("-fsjlj-exceptions"); 657 if (Opts.TraditionalCPP) 658 Res.push_back("-traditional-cpp"); 659 if (!Opts.RTTI) 660 Res.push_back("-fno-rtti"); 661 if (Opts.MSBitfields) 662 Res.push_back("-mms-bitfields"); 663 if (!Opts.NeXTRuntime) 664 Res.push_back("-fgnu-runtime"); 665 if (Opts.Freestanding) 666 Res.push_back("-ffreestanding"); 667 if (Opts.NoBuiltin) 668 Res.push_back("-fno-builtin"); 669 if (!Opts.AssumeSaneOperatorNew) 670 Res.push_back("-fno-assume-sane-operator-new"); 671 if (!Opts.ThreadsafeStatics) 672 Res.push_back("-fno-threadsafe-statics"); 673 if (Opts.POSIXThreads) 674 Res.push_back("-pthread"); 675 if (Opts.Blocks) 676 Res.push_back("-fblocks"); 677 if (Opts.BlocksRuntimeOptional) 678 Res.push_back("-fblocks-runtime-optional"); 679 if (Opts.EmitAllDecls) 680 Res.push_back("-femit-all-decls"); 681 if (Opts.MathErrno) 682 Res.push_back("-fmath-errno"); 683 switch (Opts.getSignedOverflowBehavior()) { 684 case LangOptions::SOB_Undefined: break; 685 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 686 case LangOptions::SOB_Trapping: 687 Res.push_back("-ftrapv"); break; 688 if (!Opts.OverflowHandler.empty()) { 689 Res.push_back("-ftrapv-handler"); 690 Res.push_back(Opts.OverflowHandler); 691 } 692 } 693 if (Opts.HeinousExtensions) 694 Res.push_back("-fheinous-gnu-extensions"); 695 // Optimize is implicit. 696 // OptimizeSize is implicit. 697 if (Opts.Static) 698 Res.push_back("-static-define"); 699 if (Opts.DumpRecordLayouts) 700 Res.push_back("-fdump-record-layouts"); 701 if (Opts.DumpVTableLayouts) 702 Res.push_back("-fdump-vtable-layouts"); 703 if (Opts.NoBitFieldTypeAlign) 704 Res.push_back("-fno-bitfield-type-alignment"); 705 if (Opts.PICLevel) { 706 Res.push_back("-pic-level"); 707 Res.push_back(llvm::utostr(Opts.PICLevel)); 708 } 709 if (Opts.ObjCGCBitmapPrint) 710 Res.push_back("-print-ivar-layout"); 711 if (Opts.NoConstantCFStrings) 712 Res.push_back("-fno-constant-cfstrings"); 713 if (!Opts.AccessControl) 714 Res.push_back("-fno-access-control"); 715 if (!Opts.CharIsSigned) 716 Res.push_back("-fno-signed-char"); 717 if (Opts.ShortWChar) 718 Res.push_back("-fshort-wchar"); 719 if (!Opts.ElideConstructors) 720 Res.push_back("-fno-elide-constructors"); 721 if (Opts.getGC() != LangOptions::NonGC) { 722 if (Opts.getGC() == LangOptions::HybridGC) { 723 Res.push_back("-fobjc-gc"); 724 } else { 725 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 726 Res.push_back("-fobjc-gc-only"); 727 } 728 } 729 if (Opts.ObjCAutoRefCount) 730 Res.push_back("-fobjc-arc"); 731 if (Opts.ObjCRuntimeHasWeak) 732 Res.push_back("-fobjc-runtime-has-weak"); 733 if (!Opts.ObjCInferRelatedResultType) 734 Res.push_back("-fno-objc-infer-related-result-type"); 735 736 if (Opts.AppleKext) 737 Res.push_back("-fapple-kext"); 738 739 if (Opts.getVisibilityMode() != DefaultVisibility) { 740 Res.push_back("-fvisibility"); 741 if (Opts.getVisibilityMode() == HiddenVisibility) { 742 Res.push_back("hidden"); 743 } else { 744 assert(Opts.getVisibilityMode() == ProtectedVisibility && 745 "Invalid visibility!"); 746 Res.push_back("protected"); 747 } 748 } 749 if (Opts.InlineVisibilityHidden) 750 Res.push_back("-fvisibility-inlines-hidden"); 751 752 if (Opts.getStackProtector() != 0) { 753 Res.push_back("-stack-protector"); 754 Res.push_back(llvm::utostr(Opts.getStackProtector())); 755 } 756 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 757 Res.push_back("-ftemplate-depth"); 758 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 759 } 760 if (!Opts.ObjCConstantStringClass.empty()) { 761 Res.push_back("-fconstant-string-class"); 762 Res.push_back(Opts.ObjCConstantStringClass); 763 } 764 if (Opts.FakeAddressSpaceMap) 765 Res.push_back("-ffake-address-space-map"); 766 if (Opts.ParseUnknownAnytype) 767 Res.push_back("-funknown-anytype"); 768 if (Opts.DebuggerSupport) 769 Res.push_back("-fdebugger-support"); 770 if (Opts.DelayedTemplateParsing) 771 Res.push_back("-fdelayed-template-parsing"); 772 if (Opts.Deprecated) 773 Res.push_back("-fdeprecated-macro"); 774 } 775 776 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 777 std::vector<std::string> &Res) { 778 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 779 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 780 Opts.Macros[i].first); 781 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 782 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 783 Res.push_back("-include"); 784 Res.push_back(Opts.Includes[i]); 785 } 786 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 787 Res.push_back("-imacros"); 788 Res.push_back(Opts.MacroIncludes[i]); 789 } 790 if (!Opts.UsePredefines) 791 Res.push_back("-undef"); 792 if (Opts.DetailedRecord) 793 Res.push_back("-detailed-preprocessing-record"); 794 if (!Opts.ImplicitPCHInclude.empty()) { 795 Res.push_back("-include-pch"); 796 Res.push_back(Opts.ImplicitPCHInclude); 797 } 798 if (!Opts.ImplicitPTHInclude.empty()) { 799 Res.push_back("-include-pth"); 800 Res.push_back(Opts.ImplicitPTHInclude); 801 } 802 if (!Opts.TokenCache.empty()) { 803 if (Opts.ImplicitPTHInclude.empty()) { 804 Res.push_back("-token-cache"); 805 Res.push_back(Opts.TokenCache); 806 } else 807 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 808 "Unsupported option combination!"); 809 } 810 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 811 Res.push_back("-chain-include"); 812 Res.push_back(Opts.ChainedIncludes[i]); 813 } 814 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 815 Res.push_back("-remap-file"); 816 Res.push_back(Opts.RemappedFiles[i].first + ";" + 817 Opts.RemappedFiles[i].second); 818 } 819 } 820 821 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 822 std::vector<std::string> &Res) { 823 if (!Opts.ShowCPP && !Opts.ShowMacros) 824 llvm::report_fatal_error("Invalid option combination!"); 825 826 if (Opts.ShowCPP && Opts.ShowMacros) 827 Res.push_back("-dD"); 828 else if (!Opts.ShowCPP && Opts.ShowMacros) 829 Res.push_back("-dM"); 830 831 if (!Opts.ShowLineMarkers) 832 Res.push_back("-P"); 833 if (Opts.ShowComments) 834 Res.push_back("-C"); 835 if (Opts.ShowMacroComments) 836 Res.push_back("-CC"); 837 } 838 839 static void TargetOptsToArgs(const TargetOptions &Opts, 840 std::vector<std::string> &Res) { 841 Res.push_back("-triple"); 842 Res.push_back(Opts.Triple); 843 if (!Opts.CPU.empty()) { 844 Res.push_back("-target-cpu"); 845 Res.push_back(Opts.CPU); 846 } 847 if (!Opts.ABI.empty()) { 848 Res.push_back("-target-abi"); 849 Res.push_back(Opts.ABI); 850 } 851 if (!Opts.LinkerVersion.empty()) { 852 Res.push_back("-target-linker-version"); 853 Res.push_back(Opts.LinkerVersion); 854 } 855 if (!Opts.CXXABI.empty()) { 856 Res.push_back("-cxx-abi"); 857 Res.push_back(Opts.CXXABI); 858 } 859 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 860 Res.push_back("-target-feature"); 861 Res.push_back(Opts.Features[i]); 862 } 863 } 864 865 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 866 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 867 CodeGenOptsToArgs(getCodeGenOpts(), Res); 868 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 869 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 870 FileSystemOptsToArgs(getFileSystemOpts(), Res); 871 FrontendOptsToArgs(getFrontendOpts(), Res); 872 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 873 LangOptsToArgs(getLangOpts(), Res); 874 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 875 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 876 TargetOptsToArgs(getTargetOpts(), Res); 877 } 878 879 //===----------------------------------------------------------------------===// 880 // Deserialization (to args) 881 //===----------------------------------------------------------------------===// 882 883 using namespace clang::driver; 884 using namespace clang::driver::cc1options; 885 886 // 887 888 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 889 DiagnosticsEngine &Diags) { 890 unsigned DefaultOpt = 0; 891 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 892 DefaultOpt = 2; 893 // -Os/-Oz implies -O2 894 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 895 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 896 } 897 898 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 899 DiagnosticsEngine &Diags) { 900 using namespace cc1options; 901 902 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 903 StringRef Name = A->getValue(Args); 904 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 905 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 906 .Case(CMDFLAG, NAME##Model) 907 #include "clang/Frontend/Analyses.def" 908 .Default(NumStores); 909 // FIXME: Error handling. 910 if (Value == NumStores) 911 Diags.Report(diag::err_drv_invalid_value) 912 << A->getAsString(Args) << Name; 913 else 914 Opts.AnalysisStoreOpt = Value; 915 } 916 917 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 918 StringRef Name = A->getValue(Args); 919 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 920 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 921 .Case(CMDFLAG, NAME##Model) 922 #include "clang/Frontend/Analyses.def" 923 .Default(NumConstraints); 924 // FIXME: Error handling. 925 if (Value == NumConstraints) 926 Diags.Report(diag::err_drv_invalid_value) 927 << A->getAsString(Args) << Name; 928 else 929 Opts.AnalysisConstraintsOpt = Value; 930 } 931 932 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 933 StringRef Name = A->getValue(Args); 934 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 935 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 936 .Case(CMDFLAG, PD_##NAME) 937 #include "clang/Frontend/Analyses.def" 938 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 939 // FIXME: Error handling. 940 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 941 Diags.Report(diag::err_drv_invalid_value) 942 << A->getAsString(Args) << Name; 943 else 944 Opts.AnalysisDiagOpt = Value; 945 } 946 947 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 948 StringRef Name = A->getValue(Args); 949 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 950 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 951 .Case(CMDFLAG, NAME) 952 #include "clang/Frontend/Analyses.def" 953 .Default(NumPurgeModes); 954 // FIXME: Error handling. 955 if (Value == NumPurgeModes) 956 Diags.Report(diag::err_drv_invalid_value) 957 << A->getAsString(Args) << Name; 958 else 959 Opts.AnalysisPurgeOpt = Value; 960 } 961 962 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 963 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 964 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 965 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 966 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 967 Opts.AnalyzeNestedBlocks = 968 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 969 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 970 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 971 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 972 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 973 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 974 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 975 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 976 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 977 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 978 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 979 980 Opts.CheckersControlList.clear(); 981 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 982 OPT_analyzer_disable_checker), 983 ie = Args.filtered_end(); it != ie; ++it) { 984 const Arg *A = *it; 985 A->claim(); 986 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 987 // We can have a list of comma separated checker names, e.g: 988 // '-analyzer-checker=cocoa,unix' 989 StringRef checkerList = A->getValue(Args); 990 SmallVector<StringRef, 4> checkers; 991 checkerList.split(checkers, ","); 992 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 993 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 994 } 995 } 996 997 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 998 DiagnosticsEngine &Diags) { 999 using namespace cc1options; 1000 1001 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1002 if (Opts.OptimizationLevel > 3) { 1003 Diags.Report(diag::err_drv_invalid_value) 1004 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1005 Opts.OptimizationLevel = 3; 1006 } 1007 1008 // We must always run at least the always inlining pass. 1009 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1010 : CodeGenOptions::OnlyAlwaysInlining; 1011 1012 Opts.DebugInfo = Args.hasArg(OPT_g); 1013 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 1014 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1015 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1016 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1017 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1018 OPT_fuse_register_sized_bitfield_access); 1019 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1020 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1021 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1022 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1023 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1024 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1025 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1026 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1027 Args.hasArg(OPT_ffreestanding)); 1028 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1029 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1030 1031 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1032 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1033 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1034 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1035 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1036 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1037 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1038 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1039 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1040 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1041 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1042 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1043 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1044 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1045 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1046 Args.hasArg(OPT_cl_fast_relaxed_math); 1047 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1048 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1049 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1050 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1051 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1052 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1053 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1054 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1055 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1056 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1057 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1058 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1059 Args.hasArg(OPT_cl_fast_relaxed_math); 1060 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1061 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1062 1063 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1064 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1065 1066 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1067 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1068 1069 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1070 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1071 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1072 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1073 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1074 1075 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1076 StringRef Name = A->getValue(Args); 1077 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1078 .Case("legacy", CodeGenOptions::Legacy) 1079 .Case("non-legacy", CodeGenOptions::NonLegacy) 1080 .Case("mixed", CodeGenOptions::Mixed) 1081 .Default(~0U); 1082 if (Method == ~0U) 1083 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1084 else 1085 Opts.ObjCDispatchMethod = Method; 1086 } 1087 } 1088 1089 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1090 ArgList &Args) { 1091 using namespace cc1options; 1092 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1093 Opts.Targets = Args.getAllArgValues(OPT_MT); 1094 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1095 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1096 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1097 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1098 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1099 } 1100 1101 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1102 DiagnosticsEngine &Diags) { 1103 using namespace cc1options; 1104 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1105 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1106 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1107 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1108 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1109 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1110 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1111 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1112 OPT_fno_show_column, 1113 /*Default=*/true); 1114 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1115 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1116 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1117 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1118 1119 // Default behavior is to not to show note include stacks. 1120 Opts.ShowNoteIncludeStack = false; 1121 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1122 OPT_fno_diagnostics_show_note_include_stack)) 1123 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1124 Opts.ShowNoteIncludeStack = true; 1125 1126 StringRef ShowOverloads = 1127 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1128 if (ShowOverloads == "best") 1129 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1130 else if (ShowOverloads == "all") 1131 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1132 else 1133 Diags.Report(diag::err_drv_invalid_value) 1134 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1135 << ShowOverloads; 1136 1137 StringRef ShowCategory = 1138 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1139 if (ShowCategory == "none") 1140 Opts.ShowCategories = 0; 1141 else if (ShowCategory == "id") 1142 Opts.ShowCategories = 1; 1143 else if (ShowCategory == "name") 1144 Opts.ShowCategories = 2; 1145 else 1146 Diags.Report(diag::err_drv_invalid_value) 1147 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1148 << ShowCategory; 1149 1150 StringRef Format = 1151 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1152 if (Format == "clang") 1153 Opts.Format = DiagnosticOptions::Clang; 1154 else if (Format == "msvc") 1155 Opts.Format = DiagnosticOptions::Msvc; 1156 else if (Format == "vi") 1157 Opts.Format = DiagnosticOptions::Vi; 1158 else 1159 Diags.Report(diag::err_drv_invalid_value) 1160 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1161 << Format; 1162 1163 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1164 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1165 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1166 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1167 Opts.MacroBacktraceLimit 1168 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1169 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1170 Opts.TemplateBacktraceLimit 1171 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1172 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1173 Diags); 1174 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1175 DiagnosticOptions::DefaultTabStop, Diags); 1176 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1177 Diags.Report(diag::warn_ignoring_ftabstop_value) 1178 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1179 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1180 } 1181 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1182 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1183 Opts.Warnings = Args.getAllArgValues(OPT_W); 1184 } 1185 1186 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1187 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1188 } 1189 1190 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1191 DiagnosticsEngine &Diags) { 1192 using namespace cc1options; 1193 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1194 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1195 switch (A->getOption().getID()) { 1196 default: 1197 llvm_unreachable("Invalid option in group!"); 1198 case OPT_ast_dump: 1199 Opts.ProgramAction = frontend::ASTDump; break; 1200 case OPT_ast_dump_xml: 1201 Opts.ProgramAction = frontend::ASTDumpXML; break; 1202 case OPT_ast_print: 1203 Opts.ProgramAction = frontend::ASTPrint; break; 1204 case OPT_ast_view: 1205 Opts.ProgramAction = frontend::ASTView; break; 1206 case OPT_dump_raw_tokens: 1207 Opts.ProgramAction = frontend::DumpRawTokens; break; 1208 case OPT_dump_tokens: 1209 Opts.ProgramAction = frontend::DumpTokens; break; 1210 case OPT_S: 1211 Opts.ProgramAction = frontend::EmitAssembly; break; 1212 case OPT_emit_llvm_bc: 1213 Opts.ProgramAction = frontend::EmitBC; break; 1214 case OPT_emit_html: 1215 Opts.ProgramAction = frontend::EmitHTML; break; 1216 case OPT_emit_llvm: 1217 Opts.ProgramAction = frontend::EmitLLVM; break; 1218 case OPT_emit_llvm_only: 1219 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1220 case OPT_emit_codegen_only: 1221 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1222 case OPT_emit_obj: 1223 Opts.ProgramAction = frontend::EmitObj; break; 1224 case OPT_fixit_EQ: 1225 Opts.FixItSuffix = A->getValue(Args); 1226 // fall-through! 1227 case OPT_fixit: 1228 Opts.ProgramAction = frontend::FixIt; break; 1229 case OPT_emit_module: 1230 Opts.ProgramAction = frontend::GenerateModule; break; 1231 case OPT_emit_pch: 1232 Opts.ProgramAction = frontend::GeneratePCH; break; 1233 case OPT_emit_pth: 1234 Opts.ProgramAction = frontend::GeneratePTH; break; 1235 case OPT_init_only: 1236 Opts.ProgramAction = frontend::InitOnly; break; 1237 case OPT_fsyntax_only: 1238 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1239 case OPT_print_decl_contexts: 1240 Opts.ProgramAction = frontend::PrintDeclContext; break; 1241 case OPT_print_preamble: 1242 Opts.ProgramAction = frontend::PrintPreamble; break; 1243 case OPT_E: 1244 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1245 case OPT_rewrite_macros: 1246 Opts.ProgramAction = frontend::RewriteMacros; break; 1247 case OPT_rewrite_objc: 1248 Opts.ProgramAction = frontend::RewriteObjC; break; 1249 case OPT_rewrite_test: 1250 Opts.ProgramAction = frontend::RewriteTest; break; 1251 case OPT_analyze: 1252 Opts.ProgramAction = frontend::RunAnalysis; break; 1253 case OPT_Eonly: 1254 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1255 } 1256 } 1257 1258 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1259 Opts.Plugins.push_back(A->getValue(Args,0)); 1260 Opts.ProgramAction = frontend::PluginAction; 1261 Opts.ActionName = A->getValue(Args); 1262 1263 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1264 end = Args.filtered_end(); it != end; ++it) { 1265 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1266 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1267 } 1268 } 1269 1270 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1271 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1272 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1273 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1274 end = Args.filtered_end(); it != end; ++it) { 1275 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1276 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1277 } 1278 } 1279 1280 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1281 Opts.CodeCompletionAt = 1282 ParsedSourceLocation::FromString(A->getValue(Args)); 1283 if (Opts.CodeCompletionAt.FileName.empty()) 1284 Diags.Report(diag::err_drv_invalid_value) 1285 << A->getAsString(Args) << A->getValue(Args); 1286 } 1287 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1288 1289 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1290 Opts.Plugins = Args.getAllArgValues(OPT_load); 1291 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1292 Opts.ShowHelp = Args.hasArg(OPT_help); 1293 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1294 Opts.ShowCodePatternsInCodeCompletion 1295 = Args.hasArg(OPT_code_completion_patterns); 1296 Opts.ShowGlobalSymbolsInCodeCompletion 1297 = !Args.hasArg(OPT_no_code_completion_globals); 1298 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1299 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1300 Opts.ShowVersion = Args.hasArg(OPT_version); 1301 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1302 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1303 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1304 1305 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1306 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1307 OPT_arcmt_modify, 1308 OPT_arcmt_migrate)) { 1309 switch (A->getOption().getID()) { 1310 default: 1311 llvm_unreachable("missed a case"); 1312 case OPT_arcmt_check: 1313 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1314 break; 1315 case OPT_arcmt_modify: 1316 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1317 break; 1318 case OPT_arcmt_migrate: 1319 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1320 break; 1321 } 1322 } 1323 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1324 Opts.ARCMTMigrateReportOut 1325 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1326 Opts.ARCMTMigrateEmitARCErrors 1327 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1328 1329 InputKind DashX = IK_None; 1330 if (const Arg *A = Args.getLastArg(OPT_x)) { 1331 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1332 .Case("c", IK_C) 1333 .Case("cl", IK_OpenCL) 1334 .Case("cuda", IK_CUDA) 1335 .Case("c++", IK_CXX) 1336 .Case("objective-c", IK_ObjC) 1337 .Case("objective-c++", IK_ObjCXX) 1338 .Case("cpp-output", IK_PreprocessedC) 1339 .Case("assembler-with-cpp", IK_Asm) 1340 .Case("c++-cpp-output", IK_PreprocessedCXX) 1341 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1342 .Case("objc-cpp-output", IK_PreprocessedObjC) 1343 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1344 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1345 .Case("c-header", IK_C) 1346 .Case("cl-header", IK_OpenCL) 1347 .Case("objective-c-header", IK_ObjC) 1348 .Case("c++-header", IK_CXX) 1349 .Case("objective-c++-header", IK_ObjCXX) 1350 .Case("ast", IK_AST) 1351 .Case("ir", IK_LLVM_IR) 1352 .Default(IK_None); 1353 if (DashX == IK_None) 1354 Diags.Report(diag::err_drv_invalid_value) 1355 << A->getAsString(Args) << A->getValue(Args); 1356 } 1357 1358 // '-' is the default input if none is given. 1359 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1360 Opts.Inputs.clear(); 1361 if (Inputs.empty()) 1362 Inputs.push_back("-"); 1363 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1364 InputKind IK = DashX; 1365 if (IK == IK_None) { 1366 IK = FrontendOptions::getInputKindForExtension( 1367 StringRef(Inputs[i]).rsplit('.').second); 1368 // FIXME: Remove this hack. 1369 if (i == 0) 1370 DashX = IK; 1371 } 1372 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1373 } 1374 1375 return DashX; 1376 } 1377 1378 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1379 void *MainAddr) { 1380 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1381 1382 if (!P.isEmpty()) { 1383 P.eraseComponent(); // Remove /clang from foo/bin/clang 1384 P.eraseComponent(); // Remove /bin from foo/bin 1385 1386 // Get foo/lib/clang/<version>/include 1387 P.appendComponent("lib"); 1388 P.appendComponent("clang"); 1389 P.appendComponent(CLANG_VERSION_STRING); 1390 } 1391 1392 return P.str(); 1393 } 1394 1395 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1396 using namespace cc1options; 1397 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1398 Opts.Verbose = Args.hasArg(OPT_v); 1399 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1400 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1401 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1402 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1403 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1404 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1405 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1406 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1407 1408 // Add -I..., -F..., and -index-header-map options in order. 1409 bool IsIndexHeaderMap = false; 1410 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1411 OPT_index_header_map), 1412 ie = Args.filtered_end(); it != ie; ++it) { 1413 if ((*it)->getOption().matches(OPT_index_header_map)) { 1414 // -index-header-map applies to the next -I or -F. 1415 IsIndexHeaderMap = true; 1416 continue; 1417 } 1418 1419 frontend::IncludeDirGroup Group 1420 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1421 1422 Opts.AddPath((*it)->getValue(Args), Group, true, 1423 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1424 IsIndexHeaderMap = false; 1425 } 1426 1427 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1428 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1429 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1430 OPT_iwithprefixbefore), 1431 ie = Args.filtered_end(); it != ie; ++it) { 1432 const Arg *A = *it; 1433 if (A->getOption().matches(OPT_iprefix)) 1434 Prefix = A->getValue(Args); 1435 else if (A->getOption().matches(OPT_iwithprefix)) 1436 Opts.AddPath(Prefix.str() + A->getValue(Args), 1437 frontend::System, false, false, false); 1438 else 1439 Opts.AddPath(Prefix.str() + A->getValue(Args), 1440 frontend::Angled, false, false, false); 1441 } 1442 1443 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1444 ie = Args.filtered_end(); it != ie; ++it) 1445 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1446 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1447 ie = Args.filtered_end(); it != ie; ++it) 1448 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1449 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1450 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1451 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1452 !(*it)->getOption().matches(OPT_iwithsysroot)); 1453 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1454 ie = Args.filtered_end(); it != ie; ++it) 1455 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1456 true); 1457 1458 // Add the paths for the various language specific isystem flags. 1459 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1460 ie = Args.filtered_end(); it != ie; ++it) 1461 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1462 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1463 ie = Args.filtered_end(); it != ie; ++it) 1464 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1465 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1466 ie = Args.filtered_end(); it != ie; ++it) 1467 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1468 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1469 ie = Args.filtered_end(); it != ie; ++it) 1470 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1471 true); 1472 } 1473 1474 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1475 LangStandard::Kind LangStd) { 1476 // Set some properties which depend solely on the input kind; it would be nice 1477 // to move these to the language standard, and have the driver resolve the 1478 // input kind + language standard. 1479 if (IK == IK_Asm) { 1480 Opts.AsmPreprocessor = 1; 1481 } else if (IK == IK_ObjC || 1482 IK == IK_ObjCXX || 1483 IK == IK_PreprocessedObjC || 1484 IK == IK_PreprocessedObjCXX) { 1485 Opts.ObjC1 = Opts.ObjC2 = 1; 1486 } 1487 1488 if (LangStd == LangStandard::lang_unspecified) { 1489 // Based on the base language, pick one. 1490 switch (IK) { 1491 case IK_None: 1492 case IK_AST: 1493 case IK_LLVM_IR: 1494 llvm_unreachable("Invalid input kind!"); 1495 case IK_OpenCL: 1496 LangStd = LangStandard::lang_opencl; 1497 break; 1498 case IK_CUDA: 1499 LangStd = LangStandard::lang_cuda; 1500 break; 1501 case IK_Asm: 1502 case IK_C: 1503 case IK_PreprocessedC: 1504 case IK_ObjC: 1505 case IK_PreprocessedObjC: 1506 LangStd = LangStandard::lang_gnu99; 1507 break; 1508 case IK_CXX: 1509 case IK_PreprocessedCXX: 1510 case IK_ObjCXX: 1511 case IK_PreprocessedObjCXX: 1512 LangStd = LangStandard::lang_gnucxx98; 1513 break; 1514 } 1515 } 1516 1517 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1518 Opts.BCPLComment = Std.hasBCPLComments(); 1519 Opts.C99 = Std.isC99(); 1520 Opts.C1X = Std.isC1X(); 1521 Opts.CPlusPlus = Std.isCPlusPlus(); 1522 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1523 Opts.Digraphs = Std.hasDigraphs(); 1524 Opts.GNUMode = Std.isGNUMode(); 1525 Opts.GNUInline = !Std.isC99(); 1526 Opts.HexFloats = Std.hasHexFloats(); 1527 Opts.ImplicitInt = Std.hasImplicitInt(); 1528 1529 // OpenCL has some additional defaults. 1530 if (LangStd == LangStandard::lang_opencl) { 1531 Opts.OpenCL = 1; 1532 Opts.AltiVec = 0; 1533 Opts.CXXOperatorNames = 1; 1534 Opts.LaxVectorConversions = 0; 1535 Opts.DefaultFPContract = 1; 1536 } 1537 1538 if (LangStd == LangStandard::lang_cuda) 1539 Opts.CUDA = 1; 1540 1541 // OpenCL and C++ both have bool, true, false keywords. 1542 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1543 1544 Opts.GNUKeywords = Opts.GNUMode; 1545 Opts.CXXOperatorNames = Opts.CPlusPlus; 1546 1547 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1548 // is specified, or -std is set to a conforming mode. 1549 Opts.Trigraphs = !Opts.GNUMode; 1550 1551 Opts.DollarIdents = !Opts.AsmPreprocessor; 1552 } 1553 1554 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1555 DiagnosticsEngine &Diags) { 1556 // FIXME: Cleanup per-file based stuff. 1557 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1558 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1559 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1560 #define LANGSTANDARD(id, name, desc, features) \ 1561 .Case(name, LangStandard::lang_##id) 1562 #include "clang/Frontend/LangStandards.def" 1563 .Default(LangStandard::lang_unspecified); 1564 if (LangStd == LangStandard::lang_unspecified) 1565 Diags.Report(diag::err_drv_invalid_value) 1566 << A->getAsString(Args) << A->getValue(Args); 1567 else { 1568 // Valid standard, check to make sure language and standard are compatable. 1569 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1570 switch (IK) { 1571 case IK_C: 1572 case IK_ObjC: 1573 case IK_PreprocessedC: 1574 case IK_PreprocessedObjC: 1575 if (!(Std.isC89() || Std.isC99())) 1576 Diags.Report(diag::err_drv_argument_not_allowed_with) 1577 << A->getAsString(Args) << "C/ObjC"; 1578 break; 1579 case IK_CXX: 1580 case IK_ObjCXX: 1581 case IK_PreprocessedCXX: 1582 case IK_PreprocessedObjCXX: 1583 if (!Std.isCPlusPlus()) 1584 Diags.Report(diag::err_drv_argument_not_allowed_with) 1585 << A->getAsString(Args) << "C++/ObjC++"; 1586 break; 1587 case IK_OpenCL: 1588 if (!Std.isC99()) 1589 Diags.Report(diag::err_drv_argument_not_allowed_with) 1590 << A->getAsString(Args) << "OpenCL"; 1591 break; 1592 case IK_CUDA: 1593 if (!Std.isCPlusPlus()) 1594 Diags.Report(diag::err_drv_argument_not_allowed_with) 1595 << A->getAsString(Args) << "CUDA"; 1596 break; 1597 default: 1598 break; 1599 } 1600 } 1601 } 1602 1603 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1604 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1605 Diags.Report(diag::err_drv_invalid_value) 1606 << A->getAsString(Args) << A->getValue(Args); 1607 } 1608 } 1609 1610 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1611 1612 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1613 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1614 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1615 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1616 // name, as it doesn't seem a useful distinction. 1617 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1618 Opts.GNUKeywords); 1619 1620 if (Args.hasArg(OPT_fno_operator_names)) 1621 Opts.CXXOperatorNames = 0; 1622 1623 if (Opts.ObjC1) { 1624 if (Args.hasArg(OPT_fobjc_gc_only)) 1625 Opts.setGC(LangOptions::GCOnly); 1626 else if (Args.hasArg(OPT_fobjc_gc)) 1627 Opts.setGC(LangOptions::HybridGC); 1628 else if (Args.hasArg(OPT_fobjc_arc)) { 1629 Opts.ObjCAutoRefCount = 1; 1630 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1631 Diags.Report(diag::err_arc_nonfragile_abi); 1632 } 1633 1634 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1635 Opts.ObjCRuntimeHasWeak = 1; 1636 1637 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1638 Opts.ObjCInferRelatedResultType = 0; 1639 } 1640 1641 if (Args.hasArg(OPT_fgnu89_inline)) 1642 Opts.GNUInline = 1; 1643 1644 if (Args.hasArg(OPT_fapple_kext)) { 1645 if (!Opts.CPlusPlus) 1646 Diags.Report(diag::warn_c_kext); 1647 else 1648 Opts.AppleKext = 1; 1649 } 1650 1651 if (Args.hasArg(OPT_print_ivar_layout)) 1652 Opts.ObjCGCBitmapPrint = 1; 1653 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1654 Opts.NoConstantCFStrings = 1; 1655 1656 if (Args.hasArg(OPT_faltivec)) 1657 Opts.AltiVec = 1; 1658 1659 if (Args.hasArg(OPT_pthread)) 1660 Opts.POSIXThreads = 1; 1661 1662 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1663 Opts.DelayedTemplateParsing = 1; 1664 1665 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1666 if (Vis == "default") 1667 Opts.setVisibilityMode(DefaultVisibility); 1668 else if (Vis == "hidden") 1669 Opts.setVisibilityMode(HiddenVisibility); 1670 else if (Vis == "protected") 1671 Opts.setVisibilityMode(ProtectedVisibility); 1672 else 1673 Diags.Report(diag::err_drv_invalid_value) 1674 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1675 1676 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1677 Opts.InlineVisibilityHidden = 1; 1678 1679 if (Args.hasArg(OPT_ftrapv)) { 1680 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1681 // Set the handler, if one is specified. 1682 Opts.OverflowHandler = 1683 Args.getLastArgValue(OPT_ftrapv_handler); 1684 } 1685 else if (Args.hasArg(OPT_fwrapv)) 1686 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1687 1688 if (Args.hasArg(OPT_trigraphs)) 1689 Opts.Trigraphs = 1; 1690 1691 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1692 OPT_fno_dollars_in_identifiers, 1693 Opts.DollarIdents); 1694 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1695 Opts.MicrosoftExt = Args.hasArg(OPT_fms_extensions); 1696 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1697 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1698 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1699 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1700 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1701 Opts.ConstStrings); 1702 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1703 Opts.LaxVectorConversions = 0; 1704 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1705 Opts.ThreadsafeStatics = 0; 1706 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1707 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1708 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1709 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1710 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1711 1712 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1713 Opts.Blocks = Args.hasArg(OPT_fblocks); 1714 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1715 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1716 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1717 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1718 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1719 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1720 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1721 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1722 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1723 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1724 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1725 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1726 Diags); 1727 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1728 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1729 0, Diags); 1730 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1731 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1732 Opts.ObjCConstantStringClass = 1733 Args.getLastArgValue(OPT_fconstant_string_class); 1734 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1735 if (Opts.ObjCNonFragileABI) 1736 Opts.ObjCNonFragileABI2 = true; 1737 Opts.ObjCDefaultSynthProperties = 1738 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1739 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1740 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1741 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1742 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1743 Opts.Static = Args.hasArg(OPT_static_define); 1744 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1745 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1746 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1747 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1748 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1749 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1750 Opts.OptimizeSize = 0; 1751 Opts.MRTD = Args.hasArg(OPT_mrtd); 1752 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1753 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1754 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1755 1756 // Record whether the __DEPRECATED define was requested. 1757 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1758 OPT_fno_deprecated_macro, 1759 Opts.Deprecated); 1760 1761 // FIXME: Eliminate this dependency. 1762 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1763 Opts.Optimize = Opt != 0; 1764 1765 // This is the __NO_INLINE__ define, which just depends on things like the 1766 // optimization level and -fno-inline, not actually whether the backend has 1767 // inlining enabled. 1768 // 1769 // FIXME: This is affected by other options (-fno-inline). 1770 Opts.NoInline = !Opt; 1771 1772 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1773 switch (SSP) { 1774 default: 1775 Diags.Report(diag::err_drv_invalid_value) 1776 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1777 break; 1778 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1779 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1780 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1781 } 1782 } 1783 1784 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1785 FileManager &FileMgr, 1786 DiagnosticsEngine &Diags) { 1787 using namespace cc1options; 1788 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1789 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1790 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1791 Opts.TokenCache = A->getValue(Args); 1792 else 1793 Opts.TokenCache = Opts.ImplicitPTHInclude; 1794 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1795 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1796 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1797 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1798 1799 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1800 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1801 ie = Args.filtered_end(); it != ie; ++it) { 1802 const Arg *A = *it; 1803 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1804 } 1805 1806 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1807 StringRef Value(A->getValue(Args)); 1808 size_t Comma = Value.find(','); 1809 unsigned Bytes = 0; 1810 unsigned EndOfLine = 0; 1811 1812 if (Comma == StringRef::npos || 1813 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1814 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1815 Diags.Report(diag::err_drv_preamble_format); 1816 else { 1817 Opts.PrecompiledPreambleBytes.first = Bytes; 1818 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1819 } 1820 } 1821 1822 // Add macros from the command line. 1823 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1824 ie = Args.filtered_end(); it != ie; ++it) { 1825 if ((*it)->getOption().matches(OPT_D)) 1826 Opts.addMacroDef((*it)->getValue(Args)); 1827 else 1828 Opts.addMacroUndef((*it)->getValue(Args)); 1829 } 1830 1831 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1832 1833 // Add the ordered list of -includes. 1834 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1835 OPT_include_pth), 1836 ie = Args.filtered_end(); it != ie; ++it) { 1837 const Arg *A = *it; 1838 // PCH is handled specially, we need to extra the original include path. 1839 if (A->getOption().matches(OPT_include_pch)) { 1840 std::string OriginalFile = 1841 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1842 if (OriginalFile.empty()) 1843 continue; 1844 1845 Opts.Includes.push_back(OriginalFile); 1846 } else 1847 Opts.Includes.push_back(A->getValue(Args)); 1848 } 1849 1850 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1851 ie = Args.filtered_end(); it != ie; ++it) { 1852 const Arg *A = *it; 1853 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1854 } 1855 1856 // Include 'altivec.h' if -faltivec option present 1857 if (Args.hasArg(OPT_faltivec)) 1858 Opts.Includes.push_back("altivec.h"); 1859 1860 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1861 ie = Args.filtered_end(); it != ie; ++it) { 1862 const Arg *A = *it; 1863 std::pair<StringRef,StringRef> Split = 1864 StringRef(A->getValue(Args)).split(';'); 1865 1866 if (Split.second.empty()) { 1867 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1868 continue; 1869 } 1870 1871 Opts.addRemappedFile(Split.first, Split.second); 1872 } 1873 1874 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1875 StringRef Name = A->getValue(Args); 1876 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1877 .Case("libc++", ARCXX_libcxx) 1878 .Case("libstdc++", ARCXX_libstdcxx) 1879 .Case("none", ARCXX_nolib) 1880 .Default(~0U); 1881 if (Library == ~0U) 1882 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1883 else 1884 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1885 } 1886 } 1887 1888 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1889 ArgList &Args) { 1890 using namespace cc1options; 1891 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1892 Opts.ShowComments = Args.hasArg(OPT_C); 1893 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1894 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1895 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1896 } 1897 1898 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1899 using namespace cc1options; 1900 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1901 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1902 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1903 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1904 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1905 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1906 1907 // Use the host triple if unspecified. 1908 if (Opts.Triple.empty()) 1909 Opts.Triple = llvm::sys::getHostTriple(); 1910 } 1911 1912 // 1913 1914 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1915 const char *const *ArgBegin, 1916 const char *const *ArgEnd, 1917 DiagnosticsEngine &Diags) { 1918 // Parse the arguments. 1919 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1920 unsigned MissingArgIndex, MissingArgCount; 1921 llvm::OwningPtr<InputArgList> Args( 1922 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1923 1924 // Check for missing argument error. 1925 if (MissingArgCount) 1926 Diags.Report(diag::err_drv_missing_argument) 1927 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1928 1929 // Issue errors on unknown arguments. 1930 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1931 ie = Args->filtered_end(); it != ie; ++it) 1932 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1933 1934 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1935 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1936 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1937 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1938 // FIXME: We shouldn't have to pass the DashX option around here 1939 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1940 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1941 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1942 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1943 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1944 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1945 Res.getLangOpts().ObjCExceptions = 1; 1946 } 1947 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1948 // PCH file and find the original header name. Remove the need to do that in 1949 // ParsePreprocessorArgs and remove the FileManager 1950 // parameters from the function and the "FileManager.h" #include. 1951 FileManager FileMgr(Res.getFileSystemOpts()); 1952 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1953 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1954 ParseTargetArgs(Res.getTargetOpts(), *Args); 1955 } 1956 1957 namespace { 1958 1959 class ModuleSignature { 1960 llvm::SmallVector<uint64_t, 16> Data; 1961 unsigned CurBit; 1962 uint64_t CurValue; 1963 1964 public: 1965 ModuleSignature() : CurBit(0), CurValue(0) { } 1966 1967 void add(uint64_t Value, unsigned Bits); 1968 void add(StringRef Value); 1969 void flush(); 1970 1971 llvm::APInt getAsInteger() const; 1972 }; 1973 } 1974 1975 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 1976 CurValue |= Value << CurBit; 1977 if (CurBit + NumBits < 64) { 1978 CurBit += NumBits; 1979 return; 1980 } 1981 1982 // Add the current word. 1983 Data.push_back(CurValue); 1984 1985 if (CurBit) 1986 CurValue = Value >> (64-CurBit); 1987 else 1988 CurValue = 0; 1989 CurBit = (CurBit+NumBits) & 63; 1990 } 1991 1992 void ModuleSignature::flush() { 1993 if (CurBit == 0) 1994 return; 1995 1996 Data.push_back(CurValue); 1997 CurBit = 0; 1998 CurValue = 0; 1999 } 2000 2001 void ModuleSignature::add(StringRef Value) { 2002 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2003 add(*I, 8); 2004 } 2005 2006 llvm::APInt ModuleSignature::getAsInteger() const { 2007 return llvm::APInt(Data.size() * 64, Data); 2008 } 2009 2010 std::string CompilerInvocation::getModuleHash() const { 2011 ModuleSignature Signature; 2012 2013 // Start the signature with the compiler version. 2014 Signature.add(getClangFullRepositoryVersion()); 2015 2016 // Extend the signature with the language options 2017 #define LANGOPT(Name, Bits, Default, Description) \ 2018 Signature.add(LangOpts.Name, Bits); 2019 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2020 Signature.add(static_cast<unsigned>(LangOpts.get##Name()), Bits); 2021 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2022 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2023 #include "clang/Basic/LangOptions.def" 2024 2025 // Extend the signature with the target triple 2026 llvm::Triple T(TargetOpts.Triple); 2027 Signature.add((unsigned)T.getArch(), 5); 2028 Signature.add((unsigned)T.getVendor(), 4); 2029 Signature.add((unsigned)T.getOS(), 5); 2030 Signature.add((unsigned)T.getEnvironment(), 4); 2031 2032 // Extend the signature with preprocessor options. 2033 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2034 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2035 2036 // Hash the preprocessor defines. 2037 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2038 std::vector<StringRef> MacroDefs; 2039 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2040 I = getPreprocessorOpts().Macros.begin(), 2041 IEnd = getPreprocessorOpts().Macros.end(); 2042 I != IEnd; ++I) { 2043 if (!I->second) 2044 MacroDefs.push_back(I->first); 2045 } 2046 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2047 2048 unsigned PPHashResult = 0; 2049 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2050 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2051 Signature.add(PPHashResult, 32); 2052 2053 // We've generated the signature. Treat it as one large APInt that we'll 2054 // encode in base-36 and return. 2055 Signature.flush(); 2056 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2057 } 2058
