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