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.DebugCompilationDir.empty()) { 135 Res.push_back("-fdebug-compilation-dir"); 136 Res.push_back(Opts.DebugCompilationDir); 137 } 138 if (!Opts.DwarfDebugFlags.empty()) { 139 Res.push_back("-dwarf-debug-flags"); 140 Res.push_back(Opts.DwarfDebugFlags); 141 } 142 if (Opts.AddressSanitizer) 143 Res.push_back("-faddress-sanitizer"); 144 if (Opts.ObjCRuntimeHasARC) 145 Res.push_back("-fobjc-runtime-has-arc"); 146 if (Opts.ObjCRuntimeHasTerminate) 147 Res.push_back("-fobjc-runtime-has-terminate"); 148 if (Opts.EmitGcovArcs) 149 Res.push_back("-femit-coverage-data"); 150 if (Opts.EmitGcovNotes) 151 Res.push_back("-femit-coverage-notes"); 152 if (!Opts.MergeAllConstants) 153 Res.push_back("-fno-merge-all-constants"); 154 if (Opts.NoCommon) 155 Res.push_back("-fno-common"); 156 if (Opts.ForbidGuardVariables) 157 Res.push_back("-fforbid-guard-variables"); 158 if (Opts.UseRegisterSizedBitfieldAccess) 159 Res.push_back("-fuse-register-sized-bitfield-access"); 160 if (Opts.NoImplicitFloat) 161 Res.push_back("-no-implicit-float"); 162 if (Opts.OmitLeafFramePointer) 163 Res.push_back("-momit-leaf-frame-pointer"); 164 if (Opts.OptimizeSize) { 165 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 166 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 167 } else if (Opts.OptimizationLevel != 0) 168 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 169 if (!Opts.MainFileName.empty()) { 170 Res.push_back("-main-file-name"); 171 Res.push_back(Opts.MainFileName); 172 } 173 // SimplifyLibCalls is only derived. 174 // TimePasses is only derived. 175 // UnitAtATime is unused. 176 // Inlining is only derived. 177 178 // UnrollLoops is derived, but also accepts an option, no 179 // harm in pushing it back here. 180 if (Opts.UnrollLoops) 181 Res.push_back("-funroll-loops"); 182 if (Opts.DataSections) 183 Res.push_back("-fdata-sections"); 184 if (Opts.FunctionSections) 185 Res.push_back("-ffunction-sections"); 186 if (Opts.AsmVerbose) 187 Res.push_back("-masm-verbose"); 188 if (!Opts.CodeModel.empty()) { 189 Res.push_back("-mcode-model"); 190 Res.push_back(Opts.CodeModel); 191 } 192 if (Opts.CUDAIsDevice) 193 Res.push_back("-fcuda-is-device"); 194 if (!Opts.CXAAtExit) 195 Res.push_back("-fno-use-cxa-atexit"); 196 if (Opts.CXXCtorDtorAliases) 197 Res.push_back("-mconstructor-aliases"); 198 if (Opts.ObjCAutoRefCountExceptions) 199 Res.push_back("-fobjc-arc-eh"); 200 if (!Opts.DebugPass.empty()) { 201 Res.push_back("-mdebug-pass"); 202 Res.push_back(Opts.DebugPass); 203 } 204 if (Opts.DisableFPElim) 205 Res.push_back("-mdisable-fp-elim"); 206 if (!Opts.FloatABI.empty()) { 207 Res.push_back("-mfloat-abi"); 208 Res.push_back(Opts.FloatABI); 209 } 210 if (!Opts.LimitFloatPrecision.empty()) { 211 Res.push_back("-mlimit-float-precision"); 212 Res.push_back(Opts.LimitFloatPrecision); 213 } 214 if (Opts.NoZeroInitializedInBSS) 215 Res.push_back("-mno-zero-initialized-bss"); 216 switch (Opts.getObjCDispatchMethod()) { 217 case CodeGenOptions::Legacy: 218 break; 219 case CodeGenOptions::Mixed: 220 Res.push_back("-fobjc-dispatch-method=mixed"); 221 break; 222 case CodeGenOptions::NonLegacy: 223 Res.push_back("-fobjc-dispatch-method=non-legacy"); 224 break; 225 } 226 if (Opts.NumRegisterParameters) { 227 Res.push_back("-mregparm"); 228 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 229 } 230 if (Opts.NoGlobalMerge) 231 Res.push_back("-mno-global-merge"); 232 if (Opts.NoExecStack) 233 Res.push_back("-mnoexecstack"); 234 if (Opts.RelaxAll) 235 Res.push_back("-mrelax-all"); 236 if (Opts.SaveTempLabels) 237 Res.push_back("-msave-temp-labels"); 238 if (Opts.NoDwarf2CFIAsm) 239 Res.push_back("-fno-dwarf2-cfi-asm"); 240 if (Opts.NoDwarfDirectoryAsm) 241 Res.push_back("-fno-dwarf-directory-asm"); 242 if (Opts.SoftFloat) 243 Res.push_back("-msoft-float"); 244 if (Opts.UnwindTables) 245 Res.push_back("-munwind-tables"); 246 if (Opts.RelocationModel != "pic") { 247 Res.push_back("-mrelocation-model"); 248 Res.push_back(Opts.RelocationModel); 249 } 250 if (!Opts.VerifyModule) 251 Res.push_back("-disable-llvm-verifier"); 252 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 253 Res.push_back("-backend-option"); 254 Res.push_back(Opts.BackendOptions[i]); 255 } 256 } 257 258 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 259 std::vector<std::string> &Res) { 260 if (Opts.IncludeSystemHeaders) 261 Res.push_back("-sys-header-deps"); 262 if (Opts.ShowHeaderIncludes) 263 Res.push_back("-H"); 264 if (!Opts.HeaderIncludeOutputFile.empty()) { 265 Res.push_back("-header-include-file"); 266 Res.push_back(Opts.HeaderIncludeOutputFile); 267 } 268 if (Opts.UsePhonyTargets) 269 Res.push_back("-MP"); 270 if (!Opts.OutputFile.empty()) { 271 Res.push_back("-dependency-file"); 272 Res.push_back(Opts.OutputFile); 273 } 274 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 275 Res.push_back("-MT"); 276 Res.push_back(Opts.Targets[i]); 277 } 278 } 279 280 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 281 std::vector<std::string> &Res) { 282 if (Opts.IgnoreWarnings) 283 Res.push_back("-w"); 284 if (Opts.NoRewriteMacros) 285 Res.push_back("-Wno-rewrite-macros"); 286 if (Opts.Pedantic) 287 Res.push_back("-pedantic"); 288 if (Opts.PedanticErrors) 289 Res.push_back("-pedantic-errors"); 290 if (!Opts.ShowColumn) 291 Res.push_back("-fno-show-column"); 292 if (!Opts.ShowLocation) 293 Res.push_back("-fno-show-source-location"); 294 if (!Opts.ShowCarets) 295 Res.push_back("-fno-caret-diagnostics"); 296 if (!Opts.ShowFixits) 297 Res.push_back("-fno-diagnostics-fixit-info"); 298 if (Opts.ShowSourceRanges) 299 Res.push_back("-fdiagnostics-print-source-range-info"); 300 if (Opts.ShowParseableFixits) 301 Res.push_back("-fdiagnostics-parseable-fixits"); 302 if (Opts.ShowColors) 303 Res.push_back("-fcolor-diagnostics"); 304 if (Opts.VerifyDiagnostics) 305 Res.push_back("-verify"); 306 if (Opts.ShowNames) 307 Res.push_back("-fdiagnostics-show-name"); 308 if (Opts.ShowOptionNames) 309 Res.push_back("-fdiagnostics-show-option"); 310 if (Opts.ShowCategories == 1) 311 Res.push_back("-fdiagnostics-show-category=id"); 312 else if (Opts.ShowCategories == 2) 313 Res.push_back("-fdiagnostics-show-category=name"); 314 switch (Opts.Format) { 315 case DiagnosticOptions::Clang: 316 Res.push_back("-fdiagnostics-format=clang"); break; 317 case DiagnosticOptions::Msvc: 318 Res.push_back("-fdiagnostics-format=msvc"); break; 319 case DiagnosticOptions::Vi: 320 Res.push_back("-fdiagnostics-format=vi"); break; 321 } 322 if (Opts.ErrorLimit) { 323 Res.push_back("-ferror-limit"); 324 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 325 } 326 if (!Opts.DiagnosticLogFile.empty()) { 327 Res.push_back("-diagnostic-log-file"); 328 Res.push_back(Opts.DiagnosticLogFile); 329 } 330 if (Opts.MacroBacktraceLimit 331 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 332 Res.push_back("-fmacro-backtrace-limit"); 333 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 334 } 335 if (Opts.TemplateBacktraceLimit 336 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 337 Res.push_back("-ftemplate-backtrace-limit"); 338 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 339 } 340 341 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 342 Res.push_back("-ftabstop"); 343 Res.push_back(llvm::utostr(Opts.TabStop)); 344 } 345 if (Opts.MessageLength) { 346 Res.push_back("-fmessage-length"); 347 Res.push_back(llvm::utostr(Opts.MessageLength)); 348 } 349 if (!Opts.DumpBuildInformation.empty()) { 350 Res.push_back("-dump-build-information"); 351 Res.push_back(Opts.DumpBuildInformation); 352 } 353 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 354 Res.push_back("-W" + Opts.Warnings[i]); 355 } 356 357 static const char *getInputKindName(InputKind Kind) { 358 switch (Kind) { 359 case IK_None: break; 360 case IK_AST: return "ast"; 361 case IK_Asm: return "assembler-with-cpp"; 362 case IK_C: return "c"; 363 case IK_CXX: return "c++"; 364 case IK_LLVM_IR: return "ir"; 365 case IK_ObjC: return "objective-c"; 366 case IK_ObjCXX: return "objective-c++"; 367 case IK_OpenCL: return "cl"; 368 case IK_CUDA: return "cuda"; 369 case IK_PreprocessedC: return "cpp-output"; 370 case IK_PreprocessedCXX: return "c++-cpp-output"; 371 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 372 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 373 } 374 375 llvm_unreachable("Unexpected language kind!"); 376 return 0; 377 } 378 379 static const char *getActionName(frontend::ActionKind Kind) { 380 switch (Kind) { 381 case frontend::PluginAction: 382 llvm_unreachable("Invalid kind!"); 383 384 case frontend::ASTDump: return "-ast-dump"; 385 case frontend::ASTDumpXML: return "-ast-dump-xml"; 386 case frontend::ASTPrint: return "-ast-print"; 387 case frontend::ASTView: return "-ast-view"; 388 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 389 case frontend::DumpTokens: return "-dump-tokens"; 390 case frontend::EmitAssembly: return "-S"; 391 case frontend::EmitBC: return "-emit-llvm-bc"; 392 case frontend::EmitHTML: return "-emit-html"; 393 case frontend::EmitLLVM: return "-emit-llvm"; 394 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 395 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 396 case frontend::EmitObj: return "-emit-obj"; 397 case frontend::FixIt: return "-fixit"; 398 case frontend::GenerateModule: return "-emit-module"; 399 case frontend::GenerateModuleFromMap: return "-emit-module-from-map"; 400 case frontend::GeneratePCH: return "-emit-pch"; 401 case frontend::GeneratePTH: return "-emit-pth"; 402 case frontend::InitOnly: return "-init-only"; 403 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 404 case frontend::PrintDeclContext: return "-print-decl-contexts"; 405 case frontend::PrintPreamble: return "-print-preamble"; 406 case frontend::PrintPreprocessedInput: return "-E"; 407 case frontend::RewriteMacros: return "-rewrite-macros"; 408 case frontend::RewriteObjC: return "-rewrite-objc"; 409 case frontend::RewriteTest: return "-rewrite-test"; 410 case frontend::RunAnalysis: return "-analyze"; 411 case frontend::RunPreprocessorOnly: return "-Eonly"; 412 } 413 414 llvm_unreachable("Unexpected language kind!"); 415 return 0; 416 } 417 418 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 419 std::vector<std::string> &Res) { 420 if (!Opts.WorkingDir.empty()) { 421 Res.push_back("-working-directory"); 422 Res.push_back(Opts.WorkingDir); 423 } 424 } 425 426 static void FrontendOptsToArgs(const FrontendOptions &Opts, 427 std::vector<std::string> &Res) { 428 if (Opts.DisableFree) 429 Res.push_back("-disable-free"); 430 if (Opts.RelocatablePCH) 431 Res.push_back("-relocatable-pch"); 432 if (Opts.ShowHelp) 433 Res.push_back("-help"); 434 if (Opts.ShowMacrosInCodeCompletion) 435 Res.push_back("-code-completion-macros"); 436 if (Opts.ShowCodePatternsInCodeCompletion) 437 Res.push_back("-code-completion-patterns"); 438 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 439 Res.push_back("-no-code-completion-globals"); 440 if (Opts.ShowStats) 441 Res.push_back("-print-stats"); 442 if (Opts.ShowTimers) 443 Res.push_back("-ftime-report"); 444 if (Opts.ShowVersion) 445 Res.push_back("-version"); 446 if (Opts.FixWhatYouCan) 447 Res.push_back("-fix-what-you-can"); 448 switch (Opts.ARCMTAction) { 449 case FrontendOptions::ARCMT_None: 450 break; 451 case FrontendOptions::ARCMT_Check: 452 Res.push_back("-arcmt-check"); 453 break; 454 case FrontendOptions::ARCMT_Modify: 455 Res.push_back("-arcmt-modify"); 456 break; 457 case FrontendOptions::ARCMT_Migrate: 458 Res.push_back("-arcmt-migrate"); 459 break; 460 } 461 if (!Opts.ARCMTMigrateDir.empty()) { 462 Res.push_back("-arcmt-migrate-directory"); 463 Res.push_back(Opts.ARCMTMigrateDir); 464 } 465 if (!Opts.ARCMTMigrateReportOut.empty()) { 466 Res.push_back("-arcmt-migrate-report-output"); 467 Res.push_back(Opts.ARCMTMigrateReportOut); 468 } 469 if (Opts.ARCMTMigrateEmitARCErrors) 470 Res.push_back("-arcmt-migrate-emit-errors"); 471 472 bool NeedLang = false; 473 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 474 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 475 Opts.Inputs[i].first) 476 NeedLang = true; 477 if (NeedLang) { 478 Res.push_back("-x"); 479 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 480 } 481 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 482 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 483 "Unable to represent this input vector!"); 484 Res.push_back(Opts.Inputs[i].second); 485 } 486 487 if (!Opts.OutputFile.empty()) { 488 Res.push_back("-o"); 489 Res.push_back(Opts.OutputFile); 490 } 491 if (!Opts.CodeCompletionAt.FileName.empty()) { 492 Res.push_back("-code-completion-at"); 493 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 494 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 495 llvm::utostr(Opts.CodeCompletionAt.Column)); 496 } 497 if (Opts.ProgramAction != frontend::PluginAction) 498 Res.push_back(getActionName(Opts.ProgramAction)); 499 if (!Opts.ActionName.empty()) { 500 Res.push_back("-plugin"); 501 Res.push_back(Opts.ActionName); 502 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 503 Res.push_back("-plugin-arg-" + Opts.ActionName); 504 Res.push_back(Opts.PluginArgs[i]); 505 } 506 } 507 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 508 Res.push_back("-load"); 509 Res.push_back(Opts.Plugins[i]); 510 } 511 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 512 Res.push_back("-add-plugin"); 513 Res.push_back(Opts.AddPluginActions[i]); 514 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 515 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 516 Res.push_back(Opts.AddPluginArgs[i][ai]); 517 } 518 } 519 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 520 Res.push_back("-ast-merge"); 521 Res.push_back(Opts.ASTMergeFiles[i]); 522 } 523 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 524 Res.push_back("-mllvm"); 525 Res.push_back(Opts.LLVMArgs[i]); 526 } 527 } 528 529 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 530 std::vector<std::string> &Res) { 531 if (Opts.Sysroot != "/") { 532 Res.push_back("-isysroot"); 533 Res.push_back(Opts.Sysroot); 534 } 535 536 /// User specified include entries. 537 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 538 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 539 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 540 llvm::report_fatal_error("Invalid option set!"); 541 if (E.IsUserSupplied) { 542 switch (E.Group) { 543 case frontend::After: 544 Res.push_back("-idirafter"); 545 break; 546 547 case frontend::Quoted: 548 Res.push_back("-iquote"); 549 break; 550 551 case frontend::System: 552 Res.push_back("-isystem"); 553 break; 554 555 case frontend::IndexHeaderMap: 556 Res.push_back("-index-header-map"); 557 Res.push_back(E.IsFramework? "-F" : "-I"); 558 break; 559 560 case frontend::CSystem: 561 Res.push_back("-c-isystem"); 562 break; 563 564 case frontend::CXXSystem: 565 Res.push_back("-cxx-isystem"); 566 break; 567 568 case frontend::ObjCSystem: 569 Res.push_back("-objc-isystem"); 570 break; 571 572 case frontend::ObjCXXSystem: 573 Res.push_back("-objcxx-isystem"); 574 break; 575 576 case frontend::Angled: 577 Res.push_back(E.IsFramework ? "-F" : "-I"); 578 break; 579 } 580 } else { 581 if (E.IsInternal) { 582 assert(E.Group == frontend::System && "Unexpected header search group"); 583 if (E.ImplicitExternC) 584 Res.push_back("-internal-externc-isystem"); 585 else 586 Res.push_back("-internal-isystem"); 587 } else { 588 if (E.Group != frontend::Angled && E.Group != frontend::System) 589 llvm::report_fatal_error("Invalid option set!"); 590 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 591 "-iwithprefix"); 592 } 593 } 594 Res.push_back(E.Path); 595 } 596 597 if (!Opts.ResourceDir.empty()) { 598 Res.push_back("-resource-dir"); 599 Res.push_back(Opts.ResourceDir); 600 } 601 if (!Opts.ModuleCachePath.empty()) { 602 Res.push_back("-fmodule-cache-path"); 603 Res.push_back(Opts.ModuleCachePath); 604 } 605 if (!Opts.UseStandardSystemIncludes) 606 Res.push_back("-nostdsysteminc"); 607 if (!Opts.UseStandardCXXIncludes) 608 Res.push_back("-nostdinc++"); 609 if (Opts.UseLibcxx) 610 Res.push_back("-stdlib=libc++"); 611 if (Opts.Verbose) 612 Res.push_back("-v"); 613 } 614 615 static void LangOptsToArgs(const LangOptions &Opts, 616 std::vector<std::string> &Res) { 617 LangOptions DefaultLangOpts; 618 619 // FIXME: Need to set -std to get all the implicit options. 620 621 // FIXME: We want to only pass options relative to the defaults, which 622 // requires constructing a target. :( 623 // 624 // It would be better to push the all target specific choices into the driver, 625 // so that everything below that was more uniform. 626 627 if (Opts.Trigraphs) 628 Res.push_back("-trigraphs"); 629 // Implicit based on the input kind: 630 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 631 // Implicit based on the input language standard: 632 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 633 if (Opts.DollarIdents) 634 Res.push_back("-fdollars-in-identifiers"); 635 if (Opts.GNUMode && !Opts.GNUKeywords) 636 Res.push_back("-fno-gnu-keywords"); 637 if (!Opts.GNUMode && Opts.GNUKeywords) 638 Res.push_back("-fgnu-keywords"); 639 if (Opts.MicrosoftExt) 640 Res.push_back("-fms-extensions"); 641 if (Opts.MicrosoftMode) 642 Res.push_back("-fms-compatibility"); 643 if (Opts.MSCVersion != 0) 644 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 645 if (Opts.Borland) 646 Res.push_back("-fborland-extensions"); 647 if (!Opts.ObjCNonFragileABI) 648 Res.push_back("-fobjc-fragile-abi"); 649 if (Opts.ObjCDefaultSynthProperties) 650 Res.push_back("-fobjc-default-synthesize-properties"); 651 // NoInline is implicit. 652 if (!Opts.CXXOperatorNames) 653 Res.push_back("-fno-operator-names"); 654 if (Opts.PascalStrings) 655 Res.push_back("-fpascal-strings"); 656 if (Opts.CatchUndefined) 657 Res.push_back("-fcatch-undefined-behavior"); 658 if (Opts.WritableStrings) 659 Res.push_back("-fwritable-strings"); 660 if (Opts.ConstStrings) 661 Res.push_back("-fconst-strings"); 662 if (!Opts.LaxVectorConversions) 663 Res.push_back("-fno-lax-vector-conversions"); 664 if (Opts.AltiVec) 665 Res.push_back("-faltivec"); 666 if (Opts.Exceptions) 667 Res.push_back("-fexceptions"); 668 if (Opts.ObjCExceptions) 669 Res.push_back("-fobjc-exceptions"); 670 if (Opts.CXXExceptions) 671 Res.push_back("-fcxx-exceptions"); 672 if (Opts.SjLjExceptions) 673 Res.push_back("-fsjlj-exceptions"); 674 if (Opts.TraditionalCPP) 675 Res.push_back("-traditional-cpp"); 676 if (!Opts.RTTI) 677 Res.push_back("-fno-rtti"); 678 if (Opts.MSBitfields) 679 Res.push_back("-mms-bitfields"); 680 if (!Opts.NeXTRuntime) 681 Res.push_back("-fgnu-runtime"); 682 if (Opts.Freestanding) 683 Res.push_back("-ffreestanding"); 684 if (Opts.NoBuiltin) 685 Res.push_back("-fno-builtin"); 686 if (!Opts.AssumeSaneOperatorNew) 687 Res.push_back("-fno-assume-sane-operator-new"); 688 if (!Opts.ThreadsafeStatics) 689 Res.push_back("-fno-threadsafe-statics"); 690 if (Opts.POSIXThreads) 691 Res.push_back("-pthread"); 692 if (Opts.Blocks) 693 Res.push_back("-fblocks"); 694 if (Opts.BlocksRuntimeOptional) 695 Res.push_back("-fblocks-runtime-optional"); 696 if (Opts.EmitAllDecls) 697 Res.push_back("-femit-all-decls"); 698 if (Opts.MathErrno) 699 Res.push_back("-fmath-errno"); 700 switch (Opts.getSignedOverflowBehavior()) { 701 case LangOptions::SOB_Undefined: break; 702 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 703 case LangOptions::SOB_Trapping: 704 Res.push_back("-ftrapv"); 705 if (!Opts.OverflowHandler.empty()) { 706 Res.push_back("-ftrapv-handler"); 707 Res.push_back(Opts.OverflowHandler); 708 } 709 break; 710 } 711 if (Opts.HeinousExtensions) 712 Res.push_back("-fheinous-gnu-extensions"); 713 // Optimize is implicit. 714 // OptimizeSize is implicit. 715 if (Opts.Static) 716 Res.push_back("-static-define"); 717 if (Opts.DumpRecordLayouts) 718 Res.push_back("-fdump-record-layouts"); 719 if (Opts.DumpVTableLayouts) 720 Res.push_back("-fdump-vtable-layouts"); 721 if (Opts.NoBitFieldTypeAlign) 722 Res.push_back("-fno-bitfield-type-alignment"); 723 if (Opts.PICLevel) { 724 Res.push_back("-pic-level"); 725 Res.push_back(llvm::utostr(Opts.PICLevel)); 726 } 727 if (Opts.ObjCGCBitmapPrint) 728 Res.push_back("-print-ivar-layout"); 729 if (Opts.NoConstantCFStrings) 730 Res.push_back("-fno-constant-cfstrings"); 731 if (!Opts.AccessControl) 732 Res.push_back("-fno-access-control"); 733 if (!Opts.CharIsSigned) 734 Res.push_back("-fno-signed-char"); 735 if (Opts.ShortWChar) 736 Res.push_back("-fshort-wchar"); 737 if (!Opts.ElideConstructors) 738 Res.push_back("-fno-elide-constructors"); 739 if (Opts.getGC() != LangOptions::NonGC) { 740 if (Opts.getGC() == LangOptions::HybridGC) { 741 Res.push_back("-fobjc-gc"); 742 } else { 743 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 744 Res.push_back("-fobjc-gc-only"); 745 } 746 } 747 if (Opts.ObjCAutoRefCount) 748 Res.push_back("-fobjc-arc"); 749 if (Opts.ObjCRuntimeHasWeak) 750 Res.push_back("-fobjc-runtime-has-weak"); 751 if (!Opts.ObjCInferRelatedResultType) 752 Res.push_back("-fno-objc-infer-related-result-type"); 753 754 if (Opts.AppleKext) 755 Res.push_back("-fapple-kext"); 756 757 if (Opts.getVisibilityMode() != DefaultVisibility) { 758 Res.push_back("-fvisibility"); 759 if (Opts.getVisibilityMode() == HiddenVisibility) { 760 Res.push_back("hidden"); 761 } else { 762 assert(Opts.getVisibilityMode() == ProtectedVisibility && 763 "Invalid visibility!"); 764 Res.push_back("protected"); 765 } 766 } 767 if (Opts.InlineVisibilityHidden) 768 Res.push_back("-fvisibility-inlines-hidden"); 769 770 if (Opts.getStackProtector() != 0) { 771 Res.push_back("-stack-protector"); 772 Res.push_back(llvm::utostr(Opts.getStackProtector())); 773 } 774 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 775 Res.push_back("-ftemplate-depth"); 776 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 777 } 778 if (!Opts.ObjCConstantStringClass.empty()) { 779 Res.push_back("-fconstant-string-class"); 780 Res.push_back(Opts.ObjCConstantStringClass); 781 } 782 if (Opts.FakeAddressSpaceMap) 783 Res.push_back("-ffake-address-space-map"); 784 if (Opts.ParseUnknownAnytype) 785 Res.push_back("-funknown-anytype"); 786 if (Opts.DebuggerSupport) 787 Res.push_back("-fdebugger-support"); 788 if (Opts.DelayedTemplateParsing) 789 Res.push_back("-fdelayed-template-parsing"); 790 if (Opts.Deprecated) 791 Res.push_back("-fdeprecated-macro"); 792 if (Opts.ApplePragmaPack) 793 Res.push_back("-fapple-pragma-pack"); 794 if (!Opts.CurrentModule.empty()) 795 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 796 } 797 798 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 799 std::vector<std::string> &Res) { 800 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 801 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 802 Opts.Macros[i].first); 803 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 804 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 805 Res.push_back("-include"); 806 Res.push_back(Opts.Includes[i]); 807 } 808 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 809 Res.push_back("-imacros"); 810 Res.push_back(Opts.MacroIncludes[i]); 811 } 812 if (!Opts.UsePredefines) 813 Res.push_back("-undef"); 814 if (Opts.DetailedRecord) 815 Res.push_back("-detailed-preprocessing-record"); 816 if (!Opts.ImplicitPCHInclude.empty()) { 817 Res.push_back("-include-pch"); 818 Res.push_back(Opts.ImplicitPCHInclude); 819 } 820 if (!Opts.ImplicitPTHInclude.empty()) { 821 Res.push_back("-include-pth"); 822 Res.push_back(Opts.ImplicitPTHInclude); 823 } 824 if (!Opts.TokenCache.empty()) { 825 if (Opts.ImplicitPTHInclude.empty()) { 826 Res.push_back("-token-cache"); 827 Res.push_back(Opts.TokenCache); 828 } else 829 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 830 "Unsupported option combination!"); 831 } 832 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 833 Res.push_back("-chain-include"); 834 Res.push_back(Opts.ChainedIncludes[i]); 835 } 836 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 837 Res.push_back("-remap-file"); 838 Res.push_back(Opts.RemappedFiles[i].first + ";" + 839 Opts.RemappedFiles[i].second); 840 } 841 } 842 843 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 844 std::vector<std::string> &Res) { 845 if (!Opts.ShowCPP && !Opts.ShowMacros) 846 llvm::report_fatal_error("Invalid option combination!"); 847 848 if (Opts.ShowCPP && Opts.ShowMacros) 849 Res.push_back("-dD"); 850 else if (!Opts.ShowCPP && Opts.ShowMacros) 851 Res.push_back("-dM"); 852 853 if (!Opts.ShowLineMarkers) 854 Res.push_back("-P"); 855 if (Opts.ShowComments) 856 Res.push_back("-C"); 857 if (Opts.ShowMacroComments) 858 Res.push_back("-CC"); 859 } 860 861 static void TargetOptsToArgs(const TargetOptions &Opts, 862 std::vector<std::string> &Res) { 863 Res.push_back("-triple"); 864 Res.push_back(Opts.Triple); 865 if (!Opts.CPU.empty()) { 866 Res.push_back("-target-cpu"); 867 Res.push_back(Opts.CPU); 868 } 869 if (!Opts.ABI.empty()) { 870 Res.push_back("-target-abi"); 871 Res.push_back(Opts.ABI); 872 } 873 if (!Opts.LinkerVersion.empty()) { 874 Res.push_back("-target-linker-version"); 875 Res.push_back(Opts.LinkerVersion); 876 } 877 if (!Opts.CXXABI.empty()) { 878 Res.push_back("-cxx-abi"); 879 Res.push_back(Opts.CXXABI); 880 } 881 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 882 Res.push_back("-target-feature"); 883 Res.push_back(Opts.Features[i]); 884 } 885 } 886 887 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 888 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 889 CodeGenOptsToArgs(getCodeGenOpts(), Res); 890 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 891 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 892 FileSystemOptsToArgs(getFileSystemOpts(), Res); 893 FrontendOptsToArgs(getFrontendOpts(), Res); 894 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 895 LangOptsToArgs(getLangOpts(), Res); 896 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 897 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 898 TargetOptsToArgs(getTargetOpts(), Res); 899 } 900 901 //===----------------------------------------------------------------------===// 902 // Deserialization (to args) 903 //===----------------------------------------------------------------------===// 904 905 using namespace clang::driver; 906 using namespace clang::driver::cc1options; 907 908 // 909 910 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 911 DiagnosticsEngine &Diags) { 912 unsigned DefaultOpt = 0; 913 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 914 DefaultOpt = 2; 915 // -Os/-Oz implies -O2 916 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 917 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 918 } 919 920 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 921 DiagnosticsEngine &Diags) { 922 using namespace cc1options; 923 924 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 925 StringRef Name = A->getValue(Args); 926 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 927 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 928 .Case(CMDFLAG, NAME##Model) 929 #include "clang/Frontend/Analyses.def" 930 .Default(NumStores); 931 // FIXME: Error handling. 932 if (Value == NumStores) 933 Diags.Report(diag::err_drv_invalid_value) 934 << A->getAsString(Args) << Name; 935 else 936 Opts.AnalysisStoreOpt = Value; 937 } 938 939 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 940 StringRef Name = A->getValue(Args); 941 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 942 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 943 .Case(CMDFLAG, NAME##Model) 944 #include "clang/Frontend/Analyses.def" 945 .Default(NumConstraints); 946 // FIXME: Error handling. 947 if (Value == NumConstraints) 948 Diags.Report(diag::err_drv_invalid_value) 949 << A->getAsString(Args) << Name; 950 else 951 Opts.AnalysisConstraintsOpt = Value; 952 } 953 954 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 955 StringRef Name = A->getValue(Args); 956 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 957 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 958 .Case(CMDFLAG, PD_##NAME) 959 #include "clang/Frontend/Analyses.def" 960 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 961 // FIXME: Error handling. 962 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 963 Diags.Report(diag::err_drv_invalid_value) 964 << A->getAsString(Args) << Name; 965 else 966 Opts.AnalysisDiagOpt = Value; 967 } 968 969 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 970 StringRef Name = A->getValue(Args); 971 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 972 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 973 .Case(CMDFLAG, NAME) 974 #include "clang/Frontend/Analyses.def" 975 .Default(NumPurgeModes); 976 // FIXME: Error handling. 977 if (Value == NumPurgeModes) 978 Diags.Report(diag::err_drv_invalid_value) 979 << A->getAsString(Args) << Name; 980 else 981 Opts.AnalysisPurgeOpt = Value; 982 } 983 984 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 985 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 986 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 987 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 988 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 989 Opts.AnalyzeNestedBlocks = 990 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 991 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 992 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 993 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 994 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 995 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 996 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 997 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 998 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 999 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1000 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 1001 1002 Opts.CheckersControlList.clear(); 1003 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1004 OPT_analyzer_disable_checker), 1005 ie = Args.filtered_end(); it != ie; ++it) { 1006 const Arg *A = *it; 1007 A->claim(); 1008 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1009 // We can have a list of comma separated checker names, e.g: 1010 // '-analyzer-checker=cocoa,unix' 1011 StringRef checkerList = A->getValue(Args); 1012 SmallVector<StringRef, 4> checkers; 1013 checkerList.split(checkers, ","); 1014 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1015 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1016 } 1017 } 1018 1019 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1020 DiagnosticsEngine &Diags) { 1021 using namespace cc1options; 1022 1023 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1024 if (Opts.OptimizationLevel > 3) { 1025 Diags.Report(diag::err_drv_invalid_value) 1026 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1027 Opts.OptimizationLevel = 3; 1028 } 1029 1030 // We must always run at least the always inlining pass. 1031 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1032 : CodeGenOptions::OnlyAlwaysInlining; 1033 1034 Opts.DebugInfo = Args.hasArg(OPT_g); 1035 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1036 || Args.hasArg(OPT_flimit_debug_info); 1037 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1038 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1039 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1040 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1041 OPT_fuse_register_sized_bitfield_access); 1042 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1043 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1044 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1045 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1046 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1047 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1048 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1049 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1050 Args.hasArg(OPT_ffreestanding)); 1051 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1052 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1053 1054 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1055 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1056 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1057 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1058 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1059 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1060 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1061 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1062 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1063 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1064 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1065 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1066 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1067 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1068 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1069 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1070 Args.hasArg(OPT_cl_fast_relaxed_math); 1071 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1072 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1073 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1074 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1075 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1076 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1077 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1078 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1079 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1080 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1081 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1082 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1083 Args.hasArg(OPT_cl_fast_relaxed_math); 1084 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1085 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1086 1087 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1088 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1089 1090 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1091 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1092 1093 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1094 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1095 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1096 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1097 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1098 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1099 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1100 1101 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1102 StringRef Name = A->getValue(Args); 1103 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1104 .Case("legacy", CodeGenOptions::Legacy) 1105 .Case("non-legacy", CodeGenOptions::NonLegacy) 1106 .Case("mixed", CodeGenOptions::Mixed) 1107 .Default(~0U); 1108 if (Method == ~0U) 1109 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1110 else 1111 Opts.ObjCDispatchMethod = Method; 1112 } 1113 } 1114 1115 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1116 ArgList &Args) { 1117 using namespace cc1options; 1118 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1119 Opts.Targets = Args.getAllArgValues(OPT_MT); 1120 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1121 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1122 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1123 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1124 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1125 } 1126 1127 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1128 DiagnosticsEngine &Diags) { 1129 using namespace cc1options; 1130 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1131 Opts.DiagnosticSerializationFile = 1132 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1133 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1134 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1135 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1136 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1137 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1138 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1139 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1140 OPT_fno_show_column, 1141 /*Default=*/true); 1142 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1143 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1144 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1145 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1146 1147 // Default behavior is to not to show note include stacks. 1148 Opts.ShowNoteIncludeStack = false; 1149 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1150 OPT_fno_diagnostics_show_note_include_stack)) 1151 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1152 Opts.ShowNoteIncludeStack = true; 1153 1154 StringRef ShowOverloads = 1155 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1156 if (ShowOverloads == "best") 1157 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1158 else if (ShowOverloads == "all") 1159 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1160 else 1161 Diags.Report(diag::err_drv_invalid_value) 1162 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1163 << ShowOverloads; 1164 1165 StringRef ShowCategory = 1166 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1167 if (ShowCategory == "none") 1168 Opts.ShowCategories = 0; 1169 else if (ShowCategory == "id") 1170 Opts.ShowCategories = 1; 1171 else if (ShowCategory == "name") 1172 Opts.ShowCategories = 2; 1173 else 1174 Diags.Report(diag::err_drv_invalid_value) 1175 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1176 << ShowCategory; 1177 1178 StringRef Format = 1179 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1180 if (Format == "clang") 1181 Opts.Format = DiagnosticOptions::Clang; 1182 else if (Format == "msvc") 1183 Opts.Format = DiagnosticOptions::Msvc; 1184 else if (Format == "vi") 1185 Opts.Format = DiagnosticOptions::Vi; 1186 else 1187 Diags.Report(diag::err_drv_invalid_value) 1188 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1189 << Format; 1190 1191 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1192 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1193 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1194 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1195 Opts.MacroBacktraceLimit 1196 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1197 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1198 Opts.TemplateBacktraceLimit 1199 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1200 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1201 Diags); 1202 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1203 DiagnosticOptions::DefaultTabStop, Diags); 1204 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1205 Diags.Report(diag::warn_ignoring_ftabstop_value) 1206 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1207 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1208 } 1209 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1210 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1211 Opts.Warnings = Args.getAllArgValues(OPT_W); 1212 } 1213 1214 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1215 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1216 } 1217 1218 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1219 DiagnosticsEngine &Diags) { 1220 using namespace cc1options; 1221 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1222 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1223 switch (A->getOption().getID()) { 1224 default: 1225 llvm_unreachable("Invalid option in group!"); 1226 case OPT_ast_dump: 1227 Opts.ProgramAction = frontend::ASTDump; break; 1228 case OPT_ast_dump_xml: 1229 Opts.ProgramAction = frontend::ASTDumpXML; break; 1230 case OPT_ast_print: 1231 Opts.ProgramAction = frontend::ASTPrint; break; 1232 case OPT_ast_view: 1233 Opts.ProgramAction = frontend::ASTView; break; 1234 case OPT_dump_raw_tokens: 1235 Opts.ProgramAction = frontend::DumpRawTokens; break; 1236 case OPT_dump_tokens: 1237 Opts.ProgramAction = frontend::DumpTokens; break; 1238 case OPT_S: 1239 Opts.ProgramAction = frontend::EmitAssembly; break; 1240 case OPT_emit_llvm_bc: 1241 Opts.ProgramAction = frontend::EmitBC; break; 1242 case OPT_emit_html: 1243 Opts.ProgramAction = frontend::EmitHTML; break; 1244 case OPT_emit_llvm: 1245 Opts.ProgramAction = frontend::EmitLLVM; break; 1246 case OPT_emit_llvm_only: 1247 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1248 case OPT_emit_codegen_only: 1249 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1250 case OPT_emit_obj: 1251 Opts.ProgramAction = frontend::EmitObj; break; 1252 case OPT_fixit_EQ: 1253 Opts.FixItSuffix = A->getValue(Args); 1254 // fall-through! 1255 case OPT_fixit: 1256 Opts.ProgramAction = frontend::FixIt; break; 1257 case OPT_emit_module: 1258 Opts.ProgramAction = frontend::GenerateModule; break; 1259 case OPT_emit_module_from_map: 1260 Opts.ProgramAction = frontend::GenerateModuleFromMap; break; 1261 case OPT_emit_pch: 1262 Opts.ProgramAction = frontend::GeneratePCH; break; 1263 case OPT_emit_pth: 1264 Opts.ProgramAction = frontend::GeneratePTH; break; 1265 case OPT_init_only: 1266 Opts.ProgramAction = frontend::InitOnly; break; 1267 case OPT_fsyntax_only: 1268 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1269 case OPT_print_decl_contexts: 1270 Opts.ProgramAction = frontend::PrintDeclContext; break; 1271 case OPT_print_preamble: 1272 Opts.ProgramAction = frontend::PrintPreamble; break; 1273 case OPT_E: 1274 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1275 case OPT_rewrite_macros: 1276 Opts.ProgramAction = frontend::RewriteMacros; break; 1277 case OPT_rewrite_objc: 1278 Opts.ProgramAction = frontend::RewriteObjC; break; 1279 case OPT_rewrite_test: 1280 Opts.ProgramAction = frontend::RewriteTest; break; 1281 case OPT_analyze: 1282 Opts.ProgramAction = frontend::RunAnalysis; break; 1283 case OPT_Eonly: 1284 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1285 } 1286 } 1287 1288 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1289 Opts.Plugins.push_back(A->getValue(Args,0)); 1290 Opts.ProgramAction = frontend::PluginAction; 1291 Opts.ActionName = A->getValue(Args); 1292 1293 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1294 end = Args.filtered_end(); it != end; ++it) { 1295 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1296 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1297 } 1298 } 1299 1300 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1301 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1302 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1303 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1304 end = Args.filtered_end(); it != end; ++it) { 1305 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1306 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1307 } 1308 } 1309 1310 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1311 Opts.CodeCompletionAt = 1312 ParsedSourceLocation::FromString(A->getValue(Args)); 1313 if (Opts.CodeCompletionAt.FileName.empty()) 1314 Diags.Report(diag::err_drv_invalid_value) 1315 << A->getAsString(Args) << A->getValue(Args); 1316 } 1317 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1318 1319 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1320 Opts.Plugins = Args.getAllArgValues(OPT_load); 1321 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1322 Opts.ShowHelp = Args.hasArg(OPT_help); 1323 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1324 Opts.ShowCodePatternsInCodeCompletion 1325 = Args.hasArg(OPT_code_completion_patterns); 1326 Opts.ShowGlobalSymbolsInCodeCompletion 1327 = !Args.hasArg(OPT_no_code_completion_globals); 1328 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1329 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1330 Opts.ShowVersion = Args.hasArg(OPT_version); 1331 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1332 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1333 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1334 1335 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1336 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1337 OPT_arcmt_modify, 1338 OPT_arcmt_migrate)) { 1339 switch (A->getOption().getID()) { 1340 default: 1341 llvm_unreachable("missed a case"); 1342 case OPT_arcmt_check: 1343 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1344 break; 1345 case OPT_arcmt_modify: 1346 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1347 break; 1348 case OPT_arcmt_migrate: 1349 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1350 break; 1351 } 1352 } 1353 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1354 Opts.ARCMTMigrateReportOut 1355 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1356 Opts.ARCMTMigrateEmitARCErrors 1357 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1358 1359 InputKind DashX = IK_None; 1360 if (const Arg *A = Args.getLastArg(OPT_x)) { 1361 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1362 .Case("c", IK_C) 1363 .Case("cl", IK_OpenCL) 1364 .Case("cuda", IK_CUDA) 1365 .Case("c++", IK_CXX) 1366 .Case("objective-c", IK_ObjC) 1367 .Case("objective-c++", IK_ObjCXX) 1368 .Case("cpp-output", IK_PreprocessedC) 1369 .Case("assembler-with-cpp", IK_Asm) 1370 .Case("c++-cpp-output", IK_PreprocessedCXX) 1371 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1372 .Case("objc-cpp-output", IK_PreprocessedObjC) 1373 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1374 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1375 .Case("c-header", IK_C) 1376 .Case("cl-header", IK_OpenCL) 1377 .Case("objective-c-header", IK_ObjC) 1378 .Case("c++-header", IK_CXX) 1379 .Case("objective-c++-header", IK_ObjCXX) 1380 .Case("ast", IK_AST) 1381 .Case("ir", IK_LLVM_IR) 1382 .Default(IK_None); 1383 if (DashX == IK_None) 1384 Diags.Report(diag::err_drv_invalid_value) 1385 << A->getAsString(Args) << A->getValue(Args); 1386 } 1387 1388 // '-' is the default input if none is given. 1389 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1390 Opts.Inputs.clear(); 1391 if (Inputs.empty()) 1392 Inputs.push_back("-"); 1393 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1394 InputKind IK = DashX; 1395 if (IK == IK_None) { 1396 IK = FrontendOptions::getInputKindForExtension( 1397 StringRef(Inputs[i]).rsplit('.').second); 1398 // FIXME: Remove this hack. 1399 if (i == 0) 1400 DashX = IK; 1401 } 1402 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1403 } 1404 1405 return DashX; 1406 } 1407 1408 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1409 void *MainAddr) { 1410 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1411 1412 if (!P.isEmpty()) { 1413 P.eraseComponent(); // Remove /clang from foo/bin/clang 1414 P.eraseComponent(); // Remove /bin from foo/bin 1415 1416 // Get foo/lib/clang/<version>/include 1417 P.appendComponent("lib"); 1418 P.appendComponent("clang"); 1419 P.appendComponent(CLANG_VERSION_STRING); 1420 } 1421 1422 return P.str(); 1423 } 1424 1425 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1426 using namespace cc1options; 1427 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1428 Opts.Verbose = Args.hasArg(OPT_v); 1429 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1430 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1431 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1432 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1433 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1434 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1435 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1436 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1437 1438 // Add -I..., -F..., and -index-header-map options in order. 1439 bool IsIndexHeaderMap = false; 1440 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1441 OPT_index_header_map), 1442 ie = Args.filtered_end(); it != ie; ++it) { 1443 if ((*it)->getOption().matches(OPT_index_header_map)) { 1444 // -index-header-map applies to the next -I or -F. 1445 IsIndexHeaderMap = true; 1446 continue; 1447 } 1448 1449 frontend::IncludeDirGroup Group 1450 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1451 1452 Opts.AddPath((*it)->getValue(Args), Group, true, 1453 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1454 IsIndexHeaderMap = false; 1455 } 1456 1457 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1458 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1459 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1460 OPT_iwithprefixbefore), 1461 ie = Args.filtered_end(); it != ie; ++it) { 1462 const Arg *A = *it; 1463 if (A->getOption().matches(OPT_iprefix)) 1464 Prefix = A->getValue(Args); 1465 else if (A->getOption().matches(OPT_iwithprefix)) 1466 Opts.AddPath(Prefix.str() + A->getValue(Args), 1467 frontend::System, false, false, false); 1468 else 1469 Opts.AddPath(Prefix.str() + A->getValue(Args), 1470 frontend::Angled, false, false, false); 1471 } 1472 1473 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1474 ie = Args.filtered_end(); it != ie; ++it) 1475 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1476 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1477 ie = Args.filtered_end(); it != ie; ++it) 1478 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1479 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1480 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1481 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1482 !(*it)->getOption().matches(OPT_iwithsysroot)); 1483 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1484 ie = Args.filtered_end(); it != ie; ++it) 1485 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1486 true); 1487 1488 // Add the paths for the various language specific isystem flags. 1489 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1490 ie = Args.filtered_end(); it != ie; ++it) 1491 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1492 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1493 ie = Args.filtered_end(); it != ie; ++it) 1494 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1495 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1496 ie = Args.filtered_end(); it != ie; ++it) 1497 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1498 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1499 ie = Args.filtered_end(); it != ie; ++it) 1500 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1501 true); 1502 1503 // Add the internal paths from a driver that detects standard include paths. 1504 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1505 OPT_internal_externc_isystem), 1506 E = Args.filtered_end(); 1507 I != E; ++I) 1508 Opts.AddPath((*I)->getValue(Args), frontend::System, 1509 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1510 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1511 } 1512 1513 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1514 LangStandard::Kind LangStd) { 1515 // Set some properties which depend solely on the input kind; it would be nice 1516 // to move these to the language standard, and have the driver resolve the 1517 // input kind + language standard. 1518 if (IK == IK_Asm) { 1519 Opts.AsmPreprocessor = 1; 1520 } else if (IK == IK_ObjC || 1521 IK == IK_ObjCXX || 1522 IK == IK_PreprocessedObjC || 1523 IK == IK_PreprocessedObjCXX) { 1524 Opts.ObjC1 = Opts.ObjC2 = 1; 1525 } 1526 1527 if (LangStd == LangStandard::lang_unspecified) { 1528 // Based on the base language, pick one. 1529 switch (IK) { 1530 case IK_None: 1531 case IK_AST: 1532 case IK_LLVM_IR: 1533 llvm_unreachable("Invalid input kind!"); 1534 case IK_OpenCL: 1535 LangStd = LangStandard::lang_opencl; 1536 break; 1537 case IK_CUDA: 1538 LangStd = LangStandard::lang_cuda; 1539 break; 1540 case IK_Asm: 1541 case IK_C: 1542 case IK_PreprocessedC: 1543 case IK_ObjC: 1544 case IK_PreprocessedObjC: 1545 LangStd = LangStandard::lang_gnu99; 1546 break; 1547 case IK_CXX: 1548 case IK_PreprocessedCXX: 1549 case IK_ObjCXX: 1550 case IK_PreprocessedObjCXX: 1551 LangStd = LangStandard::lang_gnucxx98; 1552 break; 1553 } 1554 } 1555 1556 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1557 Opts.BCPLComment = Std.hasBCPLComments(); 1558 Opts.C99 = Std.isC99(); 1559 Opts.C1X = Std.isC1X(); 1560 Opts.CPlusPlus = Std.isCPlusPlus(); 1561 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1562 Opts.Digraphs = Std.hasDigraphs(); 1563 Opts.GNUMode = Std.isGNUMode(); 1564 Opts.GNUInline = !Std.isC99(); 1565 Opts.HexFloats = Std.hasHexFloats(); 1566 Opts.ImplicitInt = Std.hasImplicitInt(); 1567 1568 // OpenCL has some additional defaults. 1569 if (LangStd == LangStandard::lang_opencl) { 1570 Opts.OpenCL = 1; 1571 Opts.AltiVec = 0; 1572 Opts.CXXOperatorNames = 1; 1573 Opts.LaxVectorConversions = 0; 1574 Opts.DefaultFPContract = 1; 1575 } 1576 1577 if (LangStd == LangStandard::lang_cuda) 1578 Opts.CUDA = 1; 1579 1580 // OpenCL and C++ both have bool, true, false keywords. 1581 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1582 1583 Opts.GNUKeywords = Opts.GNUMode; 1584 Opts.CXXOperatorNames = Opts.CPlusPlus; 1585 1586 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1587 // is specified, or -std is set to a conforming mode. 1588 Opts.Trigraphs = !Opts.GNUMode; 1589 1590 Opts.DollarIdents = !Opts.AsmPreprocessor; 1591 } 1592 1593 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1594 DiagnosticsEngine &Diags) { 1595 // FIXME: Cleanup per-file based stuff. 1596 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1597 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1598 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1599 #define LANGSTANDARD(id, name, desc, features) \ 1600 .Case(name, LangStandard::lang_##id) 1601 #include "clang/Frontend/LangStandards.def" 1602 .Default(LangStandard::lang_unspecified); 1603 if (LangStd == LangStandard::lang_unspecified) 1604 Diags.Report(diag::err_drv_invalid_value) 1605 << A->getAsString(Args) << A->getValue(Args); 1606 else { 1607 // Valid standard, check to make sure language and standard are compatable. 1608 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1609 switch (IK) { 1610 case IK_C: 1611 case IK_ObjC: 1612 case IK_PreprocessedC: 1613 case IK_PreprocessedObjC: 1614 if (!(Std.isC89() || Std.isC99())) 1615 Diags.Report(diag::err_drv_argument_not_allowed_with) 1616 << A->getAsString(Args) << "C/ObjC"; 1617 break; 1618 case IK_CXX: 1619 case IK_ObjCXX: 1620 case IK_PreprocessedCXX: 1621 case IK_PreprocessedObjCXX: 1622 if (!Std.isCPlusPlus()) 1623 Diags.Report(diag::err_drv_argument_not_allowed_with) 1624 << A->getAsString(Args) << "C++/ObjC++"; 1625 break; 1626 case IK_OpenCL: 1627 if (!Std.isC99()) 1628 Diags.Report(diag::err_drv_argument_not_allowed_with) 1629 << A->getAsString(Args) << "OpenCL"; 1630 break; 1631 case IK_CUDA: 1632 if (!Std.isCPlusPlus()) 1633 Diags.Report(diag::err_drv_argument_not_allowed_with) 1634 << A->getAsString(Args) << "CUDA"; 1635 break; 1636 default: 1637 break; 1638 } 1639 } 1640 } 1641 1642 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1643 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1644 Diags.Report(diag::err_drv_invalid_value) 1645 << A->getAsString(Args) << A->getValue(Args); 1646 } 1647 } 1648 1649 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1650 1651 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1652 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1653 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1654 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1655 // name, as it doesn't seem a useful distinction. 1656 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1657 Opts.GNUKeywords); 1658 1659 if (Args.hasArg(OPT_fno_operator_names)) 1660 Opts.CXXOperatorNames = 0; 1661 1662 if (Opts.ObjC1) { 1663 if (Args.hasArg(OPT_fobjc_gc_only)) 1664 Opts.setGC(LangOptions::GCOnly); 1665 else if (Args.hasArg(OPT_fobjc_gc)) 1666 Opts.setGC(LangOptions::HybridGC); 1667 else if (Args.hasArg(OPT_fobjc_arc)) { 1668 Opts.ObjCAutoRefCount = 1; 1669 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1670 Diags.Report(diag::err_arc_nonfragile_abi); 1671 } 1672 1673 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1674 Opts.ObjCRuntimeHasWeak = 1; 1675 1676 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1677 Opts.ObjCInferRelatedResultType = 0; 1678 } 1679 1680 if (Args.hasArg(OPT_fgnu89_inline)) 1681 Opts.GNUInline = 1; 1682 1683 if (Args.hasArg(OPT_fapple_kext)) { 1684 if (!Opts.CPlusPlus) 1685 Diags.Report(diag::warn_c_kext); 1686 else 1687 Opts.AppleKext = 1; 1688 } 1689 1690 if (Args.hasArg(OPT_print_ivar_layout)) 1691 Opts.ObjCGCBitmapPrint = 1; 1692 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1693 Opts.NoConstantCFStrings = 1; 1694 1695 if (Args.hasArg(OPT_faltivec)) 1696 Opts.AltiVec = 1; 1697 1698 if (Args.hasArg(OPT_pthread)) 1699 Opts.POSIXThreads = 1; 1700 1701 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1702 Opts.DelayedTemplateParsing = 1; 1703 1704 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1705 if (Vis == "default") 1706 Opts.setVisibilityMode(DefaultVisibility); 1707 else if (Vis == "hidden") 1708 Opts.setVisibilityMode(HiddenVisibility); 1709 else if (Vis == "protected") 1710 Opts.setVisibilityMode(ProtectedVisibility); 1711 else 1712 Diags.Report(diag::err_drv_invalid_value) 1713 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1714 1715 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1716 Opts.InlineVisibilityHidden = 1; 1717 1718 if (Args.hasArg(OPT_ftrapv)) { 1719 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1720 // Set the handler, if one is specified. 1721 Opts.OverflowHandler = 1722 Args.getLastArgValue(OPT_ftrapv_handler); 1723 } 1724 else if (Args.hasArg(OPT_fwrapv)) 1725 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1726 1727 if (Args.hasArg(OPT_trigraphs)) 1728 Opts.Trigraphs = 1; 1729 1730 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1731 OPT_fno_dollars_in_identifiers, 1732 Opts.DollarIdents); 1733 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1734 Opts.MicrosoftExt 1735 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1736 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1737 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1738 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1739 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1740 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1741 Opts.ConstStrings); 1742 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1743 Opts.LaxVectorConversions = 0; 1744 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1745 Opts.ThreadsafeStatics = 0; 1746 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1747 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1748 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1749 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1750 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1751 1752 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1753 Opts.Blocks = Args.hasArg(OPT_fblocks); 1754 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1755 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1756 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1757 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1758 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1759 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1760 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1761 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1762 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1763 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1764 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1765 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1766 Diags); 1767 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1768 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1769 0, Diags); 1770 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1771 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1772 Opts.ObjCConstantStringClass = 1773 Args.getLastArgValue(OPT_fconstant_string_class); 1774 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1775 if (Opts.ObjCNonFragileABI) 1776 Opts.ObjCNonFragileABI2 = true; 1777 Opts.ObjCDefaultSynthProperties = 1778 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1779 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1780 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1781 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1782 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1783 Opts.Static = Args.hasArg(OPT_static_define); 1784 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1785 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1786 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1787 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1788 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1789 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1790 Opts.OptimizeSize = 0; 1791 Opts.MRTD = Args.hasArg(OPT_mrtd); 1792 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1793 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1794 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1795 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1796 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1797 1798 // Record whether the __DEPRECATED define was requested. 1799 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1800 OPT_fno_deprecated_macro, 1801 Opts.Deprecated); 1802 1803 // FIXME: Eliminate this dependency. 1804 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1805 Opts.Optimize = Opt != 0; 1806 1807 // This is the __NO_INLINE__ define, which just depends on things like the 1808 // optimization level and -fno-inline, not actually whether the backend has 1809 // inlining enabled. 1810 // 1811 // FIXME: This is affected by other options (-fno-inline). 1812 Opts.NoInline = !Opt; 1813 1814 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1815 switch (SSP) { 1816 default: 1817 Diags.Report(diag::err_drv_invalid_value) 1818 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1819 break; 1820 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1821 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1822 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1823 } 1824 } 1825 1826 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1827 FileManager &FileMgr, 1828 DiagnosticsEngine &Diags) { 1829 using namespace cc1options; 1830 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1831 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1832 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1833 Opts.TokenCache = A->getValue(Args); 1834 else 1835 Opts.TokenCache = Opts.ImplicitPTHInclude; 1836 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1837 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1838 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1839 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1840 1841 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1842 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1843 ie = Args.filtered_end(); it != ie; ++it) { 1844 const Arg *A = *it; 1845 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1846 } 1847 1848 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1849 StringRef Value(A->getValue(Args)); 1850 size_t Comma = Value.find(','); 1851 unsigned Bytes = 0; 1852 unsigned EndOfLine = 0; 1853 1854 if (Comma == StringRef::npos || 1855 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1856 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1857 Diags.Report(diag::err_drv_preamble_format); 1858 else { 1859 Opts.PrecompiledPreambleBytes.first = Bytes; 1860 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1861 } 1862 } 1863 1864 // Add macros from the command line. 1865 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1866 ie = Args.filtered_end(); it != ie; ++it) { 1867 if ((*it)->getOption().matches(OPT_D)) 1868 Opts.addMacroDef((*it)->getValue(Args)); 1869 else 1870 Opts.addMacroUndef((*it)->getValue(Args)); 1871 } 1872 1873 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1874 1875 // Add the ordered list of -includes. 1876 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1877 OPT_include_pth), 1878 ie = Args.filtered_end(); it != ie; ++it) { 1879 const Arg *A = *it; 1880 // PCH is handled specially, we need to extra the original include path. 1881 if (A->getOption().matches(OPT_include_pch)) { 1882 std::string OriginalFile = 1883 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1884 if (OriginalFile.empty()) 1885 continue; 1886 1887 Opts.Includes.push_back(OriginalFile); 1888 } else 1889 Opts.Includes.push_back(A->getValue(Args)); 1890 } 1891 1892 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1893 ie = Args.filtered_end(); it != ie; ++it) { 1894 const Arg *A = *it; 1895 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1896 } 1897 1898 // Include 'altivec.h' if -faltivec option present 1899 if (Args.hasArg(OPT_faltivec)) 1900 Opts.Includes.push_back("altivec.h"); 1901 1902 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1903 ie = Args.filtered_end(); it != ie; ++it) { 1904 const Arg *A = *it; 1905 std::pair<StringRef,StringRef> Split = 1906 StringRef(A->getValue(Args)).split(';'); 1907 1908 if (Split.second.empty()) { 1909 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1910 continue; 1911 } 1912 1913 Opts.addRemappedFile(Split.first, Split.second); 1914 } 1915 1916 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1917 StringRef Name = A->getValue(Args); 1918 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1919 .Case("libc++", ARCXX_libcxx) 1920 .Case("libstdc++", ARCXX_libstdcxx) 1921 .Case("none", ARCXX_nolib) 1922 .Default(~0U); 1923 if (Library == ~0U) 1924 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1925 else 1926 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1927 } 1928 } 1929 1930 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1931 ArgList &Args) { 1932 using namespace cc1options; 1933 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1934 Opts.ShowComments = Args.hasArg(OPT_C); 1935 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1936 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1937 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1938 } 1939 1940 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1941 using namespace cc1options; 1942 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1943 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1944 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1945 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1946 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1947 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1948 1949 // Use the default target triple if unspecified. 1950 if (Opts.Triple.empty()) 1951 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 1952 } 1953 1954 // 1955 1956 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1957 const char *const *ArgBegin, 1958 const char *const *ArgEnd, 1959 DiagnosticsEngine &Diags) { 1960 // Parse the arguments. 1961 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1962 unsigned MissingArgIndex, MissingArgCount; 1963 llvm::OwningPtr<InputArgList> Args( 1964 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1965 1966 // Check for missing argument error. 1967 if (MissingArgCount) 1968 Diags.Report(diag::err_drv_missing_argument) 1969 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1970 1971 // Issue errors on unknown arguments. 1972 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1973 ie = Args->filtered_end(); it != ie; ++it) 1974 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1975 1976 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1977 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1978 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1979 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1980 // FIXME: We shouldn't have to pass the DashX option around here 1981 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1982 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1983 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1984 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1985 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1986 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1987 Res.getLangOpts().ObjCExceptions = 1; 1988 } 1989 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1990 // PCH file and find the original header name. Remove the need to do that in 1991 // ParsePreprocessorArgs and remove the FileManager 1992 // parameters from the function and the "FileManager.h" #include. 1993 FileManager FileMgr(Res.getFileSystemOpts()); 1994 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1995 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1996 ParseTargetArgs(Res.getTargetOpts(), *Args); 1997 } 1998 1999 namespace { 2000 2001 class ModuleSignature { 2002 llvm::SmallVector<uint64_t, 16> Data; 2003 unsigned CurBit; 2004 uint64_t CurValue; 2005 2006 public: 2007 ModuleSignature() : CurBit(0), CurValue(0) { } 2008 2009 void add(uint64_t Value, unsigned Bits); 2010 void add(StringRef Value); 2011 void flush(); 2012 2013 llvm::APInt getAsInteger() const; 2014 }; 2015 } 2016 2017 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2018 CurValue |= Value << CurBit; 2019 if (CurBit + NumBits < 64) { 2020 CurBit += NumBits; 2021 return; 2022 } 2023 2024 // Add the current word. 2025 Data.push_back(CurValue); 2026 2027 if (CurBit) 2028 CurValue = Value >> (64-CurBit); 2029 else 2030 CurValue = 0; 2031 CurBit = (CurBit+NumBits) & 63; 2032 } 2033 2034 void ModuleSignature::flush() { 2035 if (CurBit == 0) 2036 return; 2037 2038 Data.push_back(CurValue); 2039 CurBit = 0; 2040 CurValue = 0; 2041 } 2042 2043 void ModuleSignature::add(StringRef Value) { 2044 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2045 add(*I, 8); 2046 } 2047 2048 llvm::APInt ModuleSignature::getAsInteger() const { 2049 return llvm::APInt(Data.size() * 64, Data); 2050 } 2051 2052 std::string CompilerInvocation::getModuleHash() const { 2053 ModuleSignature Signature; 2054 2055 // Start the signature with the compiler version. 2056 Signature.add(getClangFullRepositoryVersion()); 2057 2058 // Extend the signature with the language options 2059 #define LANGOPT(Name, Bits, Default, Description) \ 2060 Signature.add(LangOpts.Name, Bits); 2061 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2062 Signature.add(static_cast<unsigned>(LangOpts.get##Name()), Bits); 2063 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2064 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2065 #include "clang/Basic/LangOptions.def" 2066 2067 // Extend the signature with the target triple 2068 llvm::Triple T(TargetOpts.Triple); 2069 Signature.add((unsigned)T.getArch(), 5); 2070 Signature.add((unsigned)T.getVendor(), 4); 2071 Signature.add((unsigned)T.getOS(), 5); 2072 Signature.add((unsigned)T.getEnvironment(), 4); 2073 2074 // Extend the signature with preprocessor options. 2075 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2076 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2077 2078 // Hash the preprocessor defines. 2079 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2080 std::vector<StringRef> MacroDefs; 2081 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2082 I = getPreprocessorOpts().Macros.begin(), 2083 IEnd = getPreprocessorOpts().Macros.end(); 2084 I != IEnd; ++I) { 2085 if (!I->second) 2086 MacroDefs.push_back(I->first); 2087 } 2088 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2089 2090 unsigned PPHashResult = 0; 2091 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2092 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2093 Signature.add(PPHashResult, 32); 2094 2095 // We've generated the signature. Treat it as one large APInt that we'll 2096 // encode in base-36 and return. 2097 Signature.flush(); 2098 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2099 } 2100