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.UseStandardIncludes) 580 Res.push_back("-nostdinc"); 581 if (!Opts.UseStandardCXXIncludes) 582 Res.push_back("-nostdinc++"); 583 if (Opts.UseLibcxx) 584 Res.push_back("-stdlib=libc++"); 585 if (Opts.Verbose) 586 Res.push_back("-v"); 587 } 588 589 static void LangOptsToArgs(const LangOptions &Opts, 590 std::vector<std::string> &Res) { 591 LangOptions DefaultLangOpts; 592 593 // FIXME: Need to set -std to get all the implicit options. 594 595 // FIXME: We want to only pass options relative to the defaults, which 596 // requires constructing a target. :( 597 // 598 // It would be better to push the all target specific choices into the driver, 599 // so that everything below that was more uniform. 600 601 if (Opts.Trigraphs) 602 Res.push_back("-trigraphs"); 603 // Implicit based on the input kind: 604 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 605 // Implicit based on the input language standard: 606 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 607 if (Opts.DollarIdents) 608 Res.push_back("-fdollars-in-identifiers"); 609 if (Opts.GNUMode && !Opts.GNUKeywords) 610 Res.push_back("-fno-gnu-keywords"); 611 if (!Opts.GNUMode && Opts.GNUKeywords) 612 Res.push_back("-fgnu-keywords"); 613 if (Opts.Microsoft) 614 Res.push_back("-fms-extensions"); 615 if (Opts.MSCVersion != 0) 616 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 617 if (Opts.Borland) 618 Res.push_back("-fborland-extensions"); 619 if (Opts.ObjCNonFragileABI) 620 Res.push_back("-fobjc-nonfragile-abi"); 621 if (Opts.ObjCNonFragileABI2) 622 Res.push_back("-fobjc-nonfragile-abi"); 623 if (Opts.ObjCDefaultSynthProperties) 624 Res.push_back("-fobjc-default-synthesize-properties"); 625 // NoInline is implicit. 626 if (!Opts.CXXOperatorNames) 627 Res.push_back("-fno-operator-names"); 628 if (Opts.PascalStrings) 629 Res.push_back("-fpascal-strings"); 630 if (Opts.CatchUndefined) 631 Res.push_back("-fcatch-undefined-behavior"); 632 if (Opts.WritableStrings) 633 Res.push_back("-fwritable-strings"); 634 if (Opts.ConstStrings) 635 Res.push_back("-fconst-strings"); 636 if (!Opts.LaxVectorConversions) 637 Res.push_back("-fno-lax-vector-conversions"); 638 if (Opts.AltiVec) 639 Res.push_back("-faltivec"); 640 if (Opts.Exceptions) 641 Res.push_back("-fexceptions"); 642 if (Opts.ObjCExceptions) 643 Res.push_back("-fobjc-exceptions"); 644 if (Opts.CXXExceptions) 645 Res.push_back("-fcxx-exceptions"); 646 if (Opts.SjLjExceptions) 647 Res.push_back("-fsjlj-exceptions"); 648 if (Opts.TraditionalCPP) 649 Res.push_back("-traditional-cpp"); 650 if (!Opts.RTTI) 651 Res.push_back("-fno-rtti"); 652 if (Opts.MSBitfields) 653 Res.push_back("-mms-bitfields"); 654 if (!Opts.NeXTRuntime) 655 Res.push_back("-fgnu-runtime"); 656 if (Opts.Freestanding) 657 Res.push_back("-ffreestanding"); 658 if (Opts.NoBuiltin) 659 Res.push_back("-fno-builtin"); 660 if (!Opts.AssumeSaneOperatorNew) 661 Res.push_back("-fno-assume-sane-operator-new"); 662 if (!Opts.ThreadsafeStatics) 663 Res.push_back("-fno-threadsafe-statics"); 664 if (Opts.POSIXThreads) 665 Res.push_back("-pthread"); 666 if (Opts.Blocks) 667 Res.push_back("-fblocks"); 668 if (Opts.EmitAllDecls) 669 Res.push_back("-femit-all-decls"); 670 if (Opts.MathErrno) 671 Res.push_back("-fmath-errno"); 672 switch (Opts.getSignedOverflowBehavior()) { 673 case LangOptions::SOB_Undefined: break; 674 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 675 case LangOptions::SOB_Trapping: 676 Res.push_back("-ftrapv"); break; 677 if (!Opts.OverflowHandler.empty()) { 678 Res.push_back("-ftrapv-handler"); 679 Res.push_back(Opts.OverflowHandler); 680 } 681 } 682 if (Opts.HeinousExtensions) 683 Res.push_back("-fheinous-gnu-extensions"); 684 // Optimize is implicit. 685 // OptimizeSize is implicit. 686 if (Opts.Static) 687 Res.push_back("-static-define"); 688 if (Opts.DumpRecordLayouts) 689 Res.push_back("-fdump-record-layouts"); 690 if (Opts.DumpVTableLayouts) 691 Res.push_back("-fdump-vtable-layouts"); 692 if (Opts.NoBitFieldTypeAlign) 693 Res.push_back("-fno-bitfield-type-alignment"); 694 if (Opts.PICLevel) { 695 Res.push_back("-pic-level"); 696 Res.push_back(llvm::utostr(Opts.PICLevel)); 697 } 698 if (Opts.ObjCGCBitmapPrint) 699 Res.push_back("-print-ivar-layout"); 700 if (Opts.NoConstantCFStrings) 701 Res.push_back("-fno-constant-cfstrings"); 702 if (!Opts.AccessControl) 703 Res.push_back("-fno-access-control"); 704 if (!Opts.CharIsSigned) 705 Res.push_back("-fno-signed-char"); 706 if (Opts.ShortWChar) 707 Res.push_back("-fshort-wchar"); 708 if (!Opts.ElideConstructors) 709 Res.push_back("-fno-elide-constructors"); 710 if (Opts.getGCMode() != LangOptions::NonGC) { 711 if (Opts.getGCMode() == LangOptions::HybridGC) { 712 Res.push_back("-fobjc-gc"); 713 } else { 714 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 715 Res.push_back("-fobjc-gc-only"); 716 } 717 } 718 if (Opts.ObjCAutoRefCount) 719 Res.push_back("-fobjc-arc"); 720 if (Opts.ObjCRuntimeHasWeak) 721 Res.push_back("-fobjc-runtime-has-weak"); 722 if (!Opts.ObjCInferRelatedResultType) 723 Res.push_back("-fno-objc-infer-related-result-type"); 724 725 if (Opts.AppleKext) 726 Res.push_back("-fapple-kext"); 727 728 if (Opts.getVisibilityMode() != DefaultVisibility) { 729 Res.push_back("-fvisibility"); 730 if (Opts.getVisibilityMode() == HiddenVisibility) { 731 Res.push_back("hidden"); 732 } else { 733 assert(Opts.getVisibilityMode() == ProtectedVisibility && 734 "Invalid visibility!"); 735 Res.push_back("protected"); 736 } 737 } 738 if (Opts.InlineVisibilityHidden) 739 Res.push_back("-fvisibility-inlines-hidden"); 740 741 if (Opts.getStackProtectorMode() != 0) { 742 Res.push_back("-stack-protector"); 743 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 744 } 745 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 746 Res.push_back("-ftemplate-depth"); 747 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 748 } 749 if (!Opts.ObjCConstantStringClass.empty()) { 750 Res.push_back("-fconstant-string-class"); 751 Res.push_back(Opts.ObjCConstantStringClass); 752 } 753 if (Opts.FakeAddressSpaceMap) 754 Res.push_back("-ffake-address-space-map"); 755 if (Opts.ParseUnknownAnytype) 756 Res.push_back("-funknown-anytype"); 757 if (Opts.DebuggerSupport) 758 Res.push_back("-fdebugger-support"); 759 if (Opts.DelayedTemplateParsing) 760 Res.push_back("-fdelayed-template-parsing"); 761 if (Opts.Deprecated) 762 Res.push_back("-fdeprecated-macro"); 763 } 764 765 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 766 std::vector<std::string> &Res) { 767 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 768 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 769 Opts.Macros[i].first); 770 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 771 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 772 Res.push_back("-include"); 773 Res.push_back(Opts.Includes[i]); 774 } 775 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 776 Res.push_back("-imacros"); 777 Res.push_back(Opts.MacroIncludes[i]); 778 } 779 if (!Opts.UsePredefines) 780 Res.push_back("-undef"); 781 if (Opts.DetailedRecord) 782 Res.push_back("-detailed-preprocessing-record"); 783 if (!Opts.ImplicitPCHInclude.empty()) { 784 Res.push_back("-include-pch"); 785 Res.push_back(Opts.ImplicitPCHInclude); 786 } 787 if (!Opts.ImplicitPTHInclude.empty()) { 788 Res.push_back("-include-pth"); 789 Res.push_back(Opts.ImplicitPTHInclude); 790 } 791 if (!Opts.TokenCache.empty()) { 792 if (Opts.ImplicitPTHInclude.empty()) { 793 Res.push_back("-token-cache"); 794 Res.push_back(Opts.TokenCache); 795 } else 796 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 797 "Unsupported option combination!"); 798 } 799 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 800 Res.push_back("-chain-include"); 801 Res.push_back(Opts.ChainedIncludes[i]); 802 } 803 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 804 Res.push_back("-remap-file"); 805 Res.push_back(Opts.RemappedFiles[i].first + ";" + 806 Opts.RemappedFiles[i].second); 807 } 808 } 809 810 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 811 std::vector<std::string> &Res) { 812 if (!Opts.ShowCPP && !Opts.ShowMacros) 813 llvm::report_fatal_error("Invalid option combination!"); 814 815 if (Opts.ShowCPP && Opts.ShowMacros) 816 Res.push_back("-dD"); 817 else if (!Opts.ShowCPP && Opts.ShowMacros) 818 Res.push_back("-dM"); 819 820 if (!Opts.ShowLineMarkers) 821 Res.push_back("-P"); 822 if (Opts.ShowComments) 823 Res.push_back("-C"); 824 if (Opts.ShowMacroComments) 825 Res.push_back("-CC"); 826 } 827 828 static void TargetOptsToArgs(const TargetOptions &Opts, 829 std::vector<std::string> &Res) { 830 Res.push_back("-triple"); 831 Res.push_back(Opts.Triple); 832 if (!Opts.CPU.empty()) { 833 Res.push_back("-target-cpu"); 834 Res.push_back(Opts.CPU); 835 } 836 if (!Opts.ABI.empty()) { 837 Res.push_back("-target-abi"); 838 Res.push_back(Opts.ABI); 839 } 840 if (!Opts.LinkerVersion.empty()) { 841 Res.push_back("-target-linker-version"); 842 Res.push_back(Opts.LinkerVersion); 843 } 844 if (!Opts.CXXABI.empty()) { 845 Res.push_back("-cxx-abi"); 846 Res.push_back(Opts.CXXABI); 847 } 848 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 849 Res.push_back("-target-feature"); 850 Res.push_back(Opts.Features[i]); 851 } 852 } 853 854 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 855 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 856 CodeGenOptsToArgs(getCodeGenOpts(), Res); 857 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 858 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 859 FileSystemOptsToArgs(getFileSystemOpts(), Res); 860 FrontendOptsToArgs(getFrontendOpts(), Res); 861 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 862 LangOptsToArgs(getLangOpts(), Res); 863 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 864 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 865 TargetOptsToArgs(getTargetOpts(), Res); 866 } 867 868 //===----------------------------------------------------------------------===// 869 // Deserialization (to args) 870 //===----------------------------------------------------------------------===// 871 872 using namespace clang::driver; 873 using namespace clang::driver::cc1options; 874 875 // 876 877 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 878 Diagnostic &Diags) { 879 unsigned DefaultOpt = 0; 880 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 881 DefaultOpt = 2; 882 // -Os/-Oz implies -O2 883 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 884 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 885 } 886 887 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 888 Diagnostic &Diags) { 889 using namespace cc1options; 890 891 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 892 StringRef Name = A->getValue(Args); 893 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 894 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 895 .Case(CMDFLAG, NAME##Model) 896 #include "clang/Frontend/Analyses.def" 897 .Default(NumStores); 898 // FIXME: Error handling. 899 if (Value == NumStores) 900 Diags.Report(diag::err_drv_invalid_value) 901 << A->getAsString(Args) << Name; 902 else 903 Opts.AnalysisStoreOpt = Value; 904 } 905 906 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 907 StringRef Name = A->getValue(Args); 908 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 909 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 910 .Case(CMDFLAG, NAME##Model) 911 #include "clang/Frontend/Analyses.def" 912 .Default(NumConstraints); 913 // FIXME: Error handling. 914 if (Value == NumConstraints) 915 Diags.Report(diag::err_drv_invalid_value) 916 << A->getAsString(Args) << Name; 917 else 918 Opts.AnalysisConstraintsOpt = Value; 919 } 920 921 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 922 StringRef Name = A->getValue(Args); 923 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 924 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 925 .Case(CMDFLAG, PD_##NAME) 926 #include "clang/Frontend/Analyses.def" 927 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 928 // FIXME: Error handling. 929 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 930 Diags.Report(diag::err_drv_invalid_value) 931 << A->getAsString(Args) << Name; 932 else 933 Opts.AnalysisDiagOpt = Value; 934 } 935 936 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 937 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 938 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 939 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 940 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 941 Opts.AnalyzeNestedBlocks = 942 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 943 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 944 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 945 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 946 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 947 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 948 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 949 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 950 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 951 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 952 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 953 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 954 955 Opts.CheckersControlList.clear(); 956 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 957 OPT_analyzer_disable_checker), 958 ie = Args.filtered_end(); it != ie; ++it) { 959 const Arg *A = *it; 960 A->claim(); 961 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 962 // We can have a list of comma separated checker names, e.g: 963 // '-analyzer-checker=cocoa,unix' 964 StringRef checkerList = A->getValue(Args); 965 SmallVector<StringRef, 4> checkers; 966 checkerList.split(checkers, ","); 967 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 968 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 969 } 970 } 971 972 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 973 Diagnostic &Diags) { 974 using namespace cc1options; 975 976 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 977 if (Opts.OptimizationLevel > 3) { 978 Diags.Report(diag::err_drv_invalid_value) 979 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 980 Opts.OptimizationLevel = 3; 981 } 982 983 // We must always run at least the always inlining pass. 984 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 985 : CodeGenOptions::OnlyAlwaysInlining; 986 987 Opts.DebugInfo = Args.hasArg(OPT_g); 988 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 989 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 990 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 991 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 992 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 993 OPT_fuse_register_sized_bitfield_access); 994 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 995 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 996 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 997 Opts.NoCommon = Args.hasArg(OPT_fno_common); 998 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 999 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1000 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1001 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1002 Args.hasArg(OPT_ffreestanding)); 1003 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1004 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1005 1006 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1007 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1008 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1009 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1010 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1011 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1012 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1013 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1014 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1015 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1016 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1017 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1018 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1019 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1020 Args.hasArg(OPT_cl_fast_relaxed_math); 1021 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1022 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1023 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1024 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1025 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1026 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1027 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1028 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1029 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1030 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1031 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1032 Args.hasArg(OPT_cl_fast_relaxed_math); 1033 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1034 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1035 1036 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1037 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1038 1039 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1040 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1041 1042 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1043 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1044 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1045 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1046 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1047 1048 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1049 StringRef Name = A->getValue(Args); 1050 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1051 .Case("legacy", CodeGenOptions::Legacy) 1052 .Case("non-legacy", CodeGenOptions::NonLegacy) 1053 .Case("mixed", CodeGenOptions::Mixed) 1054 .Default(~0U); 1055 if (Method == ~0U) 1056 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1057 else 1058 Opts.ObjCDispatchMethod = Method; 1059 } 1060 } 1061 1062 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1063 ArgList &Args) { 1064 using namespace cc1options; 1065 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1066 Opts.Targets = Args.getAllArgValues(OPT_MT); 1067 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1068 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1069 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1070 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1071 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1072 } 1073 1074 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1075 Diagnostic &Diags) { 1076 using namespace cc1options; 1077 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1078 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1079 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1080 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1081 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1082 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1083 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1084 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1085 OPT_fno_show_column, 1086 /*Default=*/true); 1087 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1088 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1089 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1090 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1091 1092 // Default behavior is to not to show note include stacks. 1093 Opts.ShowNoteIncludeStack = false; 1094 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1095 OPT_fno_diagnostics_show_note_include_stack)) 1096 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1097 Opts.ShowNoteIncludeStack = true; 1098 1099 StringRef ShowOverloads = 1100 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1101 if (ShowOverloads == "best") 1102 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1103 else if (ShowOverloads == "all") 1104 Opts.ShowOverloads = Diagnostic::Ovl_All; 1105 else 1106 Diags.Report(diag::err_drv_invalid_value) 1107 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1108 << ShowOverloads; 1109 1110 StringRef ShowCategory = 1111 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1112 if (ShowCategory == "none") 1113 Opts.ShowCategories = 0; 1114 else if (ShowCategory == "id") 1115 Opts.ShowCategories = 1; 1116 else if (ShowCategory == "name") 1117 Opts.ShowCategories = 2; 1118 else 1119 Diags.Report(diag::err_drv_invalid_value) 1120 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1121 << ShowCategory; 1122 1123 StringRef Format = 1124 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1125 if (Format == "clang") 1126 Opts.Format = DiagnosticOptions::Clang; 1127 else if (Format == "msvc") 1128 Opts.Format = DiagnosticOptions::Msvc; 1129 else if (Format == "vi") 1130 Opts.Format = DiagnosticOptions::Vi; 1131 else 1132 Diags.Report(diag::err_drv_invalid_value) 1133 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1134 << Format; 1135 1136 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1137 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1138 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1139 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1140 Opts.MacroBacktraceLimit 1141 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1142 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1143 Opts.TemplateBacktraceLimit 1144 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1145 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1146 Diags); 1147 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1148 DiagnosticOptions::DefaultTabStop, Diags); 1149 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1150 Diags.Report(diag::warn_ignoring_ftabstop_value) 1151 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1152 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1153 } 1154 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1155 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1156 Opts.Warnings = Args.getAllArgValues(OPT_W); 1157 } 1158 1159 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1160 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1161 } 1162 1163 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1164 Diagnostic &Diags) { 1165 using namespace cc1options; 1166 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1167 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1168 switch (A->getOption().getID()) { 1169 default: 1170 assert(0 && "Invalid option in group!"); 1171 case OPT_ast_dump: 1172 Opts.ProgramAction = frontend::ASTDump; break; 1173 case OPT_ast_dump_xml: 1174 Opts.ProgramAction = frontend::ASTDumpXML; break; 1175 case OPT_ast_print: 1176 Opts.ProgramAction = frontend::ASTPrint; break; 1177 case OPT_ast_view: 1178 Opts.ProgramAction = frontend::ASTView; break; 1179 case OPT_dump_raw_tokens: 1180 Opts.ProgramAction = frontend::DumpRawTokens; break; 1181 case OPT_dump_tokens: 1182 Opts.ProgramAction = frontend::DumpTokens; break; 1183 case OPT_S: 1184 Opts.ProgramAction = frontend::EmitAssembly; break; 1185 case OPT_emit_llvm_bc: 1186 Opts.ProgramAction = frontend::EmitBC; break; 1187 case OPT_emit_html: 1188 Opts.ProgramAction = frontend::EmitHTML; break; 1189 case OPT_emit_llvm: 1190 Opts.ProgramAction = frontend::EmitLLVM; break; 1191 case OPT_emit_llvm_only: 1192 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1193 case OPT_emit_codegen_only: 1194 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1195 case OPT_emit_obj: 1196 Opts.ProgramAction = frontend::EmitObj; break; 1197 case OPT_fixit_EQ: 1198 Opts.FixItSuffix = A->getValue(Args); 1199 // fall-through! 1200 case OPT_fixit: 1201 Opts.ProgramAction = frontend::FixIt; break; 1202 case OPT_emit_module: 1203 Opts.ProgramAction = frontend::GenerateModule; break; 1204 case OPT_emit_pch: 1205 Opts.ProgramAction = frontend::GeneratePCH; break; 1206 case OPT_emit_pth: 1207 Opts.ProgramAction = frontend::GeneratePTH; break; 1208 case OPT_init_only: 1209 Opts.ProgramAction = frontend::InitOnly; break; 1210 case OPT_fsyntax_only: 1211 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1212 case OPT_print_decl_contexts: 1213 Opts.ProgramAction = frontend::PrintDeclContext; break; 1214 case OPT_print_preamble: 1215 Opts.ProgramAction = frontend::PrintPreamble; break; 1216 case OPT_E: 1217 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1218 case OPT_rewrite_macros: 1219 Opts.ProgramAction = frontend::RewriteMacros; break; 1220 case OPT_rewrite_objc: 1221 Opts.ProgramAction = frontend::RewriteObjC; break; 1222 case OPT_rewrite_test: 1223 Opts.ProgramAction = frontend::RewriteTest; break; 1224 case OPT_analyze: 1225 Opts.ProgramAction = frontend::RunAnalysis; break; 1226 case OPT_Eonly: 1227 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1228 case OPT_create_module: 1229 Opts.ProgramAction = frontend::CreateModule; break; 1230 } 1231 } 1232 1233 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1234 Opts.Plugins.push_back(A->getValue(Args,0)); 1235 Opts.ProgramAction = frontend::PluginAction; 1236 Opts.ActionName = A->getValue(Args); 1237 1238 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1239 end = Args.filtered_end(); it != end; ++it) { 1240 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1241 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1242 } 1243 } 1244 1245 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1246 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1247 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1248 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1249 end = Args.filtered_end(); it != end; ++it) { 1250 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1251 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1252 } 1253 } 1254 1255 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1256 Opts.CodeCompletionAt = 1257 ParsedSourceLocation::FromString(A->getValue(Args)); 1258 if (Opts.CodeCompletionAt.FileName.empty()) 1259 Diags.Report(diag::err_drv_invalid_value) 1260 << A->getAsString(Args) << A->getValue(Args); 1261 } 1262 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1263 1264 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1265 Opts.Plugins = Args.getAllArgValues(OPT_load); 1266 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1267 Opts.ShowHelp = Args.hasArg(OPT_help); 1268 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1269 Opts.ShowCodePatternsInCodeCompletion 1270 = Args.hasArg(OPT_code_completion_patterns); 1271 Opts.ShowGlobalSymbolsInCodeCompletion 1272 = !Args.hasArg(OPT_no_code_completion_globals); 1273 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1274 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1275 Opts.ShowVersion = Args.hasArg(OPT_version); 1276 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1277 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1278 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1279 1280 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1281 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1282 OPT_arcmt_modify, 1283 OPT_arcmt_migrate)) { 1284 switch (A->getOption().getID()) { 1285 default: 1286 llvm_unreachable("missed a case"); 1287 case OPT_arcmt_check: 1288 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1289 break; 1290 case OPT_arcmt_modify: 1291 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1292 break; 1293 case OPT_arcmt_migrate: 1294 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1295 break; 1296 } 1297 } 1298 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1299 Opts.ARCMTMigrateReportOut 1300 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1301 Opts.ARCMTMigrateEmitARCErrors 1302 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1303 1304 InputKind DashX = IK_None; 1305 if (const Arg *A = Args.getLastArg(OPT_x)) { 1306 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1307 .Case("c", IK_C) 1308 .Case("cl", IK_OpenCL) 1309 .Case("cuda", IK_CUDA) 1310 .Case("c++", IK_CXX) 1311 .Case("objective-c", IK_ObjC) 1312 .Case("objective-c++", IK_ObjCXX) 1313 .Case("cpp-output", IK_PreprocessedC) 1314 .Case("assembler-with-cpp", IK_Asm) 1315 .Case("c++-cpp-output", IK_PreprocessedCXX) 1316 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1317 .Case("objc-cpp-output", IK_PreprocessedObjC) 1318 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1319 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1320 .Case("c-header", IK_C) 1321 .Case("objective-c-header", IK_ObjC) 1322 .Case("c++-header", IK_CXX) 1323 .Case("objective-c++-header", IK_ObjCXX) 1324 .Case("ast", IK_AST) 1325 .Case("ir", IK_LLVM_IR) 1326 .Default(IK_None); 1327 if (DashX == IK_None) 1328 Diags.Report(diag::err_drv_invalid_value) 1329 << A->getAsString(Args) << A->getValue(Args); 1330 } 1331 1332 // '-' is the default input if none is given. 1333 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1334 Opts.Inputs.clear(); 1335 if (Inputs.empty()) 1336 Inputs.push_back("-"); 1337 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1338 InputKind IK = DashX; 1339 if (IK == IK_None) { 1340 IK = FrontendOptions::getInputKindForExtension( 1341 StringRef(Inputs[i]).rsplit('.').second); 1342 // FIXME: Remove this hack. 1343 if (i == 0) 1344 DashX = IK; 1345 } 1346 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1347 } 1348 1349 return DashX; 1350 } 1351 1352 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1353 void *MainAddr) { 1354 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1355 1356 if (!P.isEmpty()) { 1357 P.eraseComponent(); // Remove /clang from foo/bin/clang 1358 P.eraseComponent(); // Remove /bin from foo/bin 1359 1360 // Get foo/lib/clang/<version>/include 1361 P.appendComponent("lib"); 1362 P.appendComponent("clang"); 1363 P.appendComponent(CLANG_VERSION_STRING); 1364 } 1365 1366 return P.str(); 1367 } 1368 1369 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1370 using namespace cc1options; 1371 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1372 Opts.Verbose = Args.hasArg(OPT_v); 1373 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1374 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1375 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1376 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1377 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1378 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1379 1380 // Add -I..., -F..., and -index-header-map options in order. 1381 bool IsIndexHeaderMap = false; 1382 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1383 OPT_index_header_map), 1384 ie = Args.filtered_end(); it != ie; ++it) { 1385 if ((*it)->getOption().matches(OPT_index_header_map)) { 1386 // -index-header-map applies to the next -I or -F. 1387 IsIndexHeaderMap = true; 1388 continue; 1389 } 1390 1391 frontend::IncludeDirGroup Group 1392 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1393 1394 Opts.AddPath((*it)->getValue(Args), Group, true, 1395 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1396 IsIndexHeaderMap = false; 1397 } 1398 1399 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1400 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1401 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1402 OPT_iwithprefixbefore), 1403 ie = Args.filtered_end(); it != ie; ++it) { 1404 const Arg *A = *it; 1405 if (A->getOption().matches(OPT_iprefix)) 1406 Prefix = A->getValue(Args); 1407 else if (A->getOption().matches(OPT_iwithprefix)) 1408 Opts.AddPath(Prefix.str() + A->getValue(Args), 1409 frontend::System, false, false, false); 1410 else 1411 Opts.AddPath(Prefix.str() + A->getValue(Args), 1412 frontend::Angled, false, false, false); 1413 } 1414 1415 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1416 ie = Args.filtered_end(); it != ie; ++it) 1417 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1418 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1419 ie = Args.filtered_end(); it != ie; ++it) 1420 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1421 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1422 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1423 Opts.AddPath((*it)->getValue(Args), 1424 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1425 frontend::CXXSystem : frontend::System), 1426 true, false, !(*it)->getOption().matches(OPT_iwithsysroot)); 1427 1428 // FIXME: Need options for the various environment variables! 1429 } 1430 1431 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1432 LangStandard::Kind LangStd) { 1433 // Set some properties which depend solely on the input kind; it would be nice 1434 // to move these to the language standard, and have the driver resolve the 1435 // input kind + language standard. 1436 if (IK == IK_Asm) { 1437 Opts.AsmPreprocessor = 1; 1438 } else if (IK == IK_ObjC || 1439 IK == IK_ObjCXX || 1440 IK == IK_PreprocessedObjC || 1441 IK == IK_PreprocessedObjCXX) { 1442 Opts.ObjC1 = Opts.ObjC2 = 1; 1443 } 1444 1445 if (LangStd == LangStandard::lang_unspecified) { 1446 // Based on the base language, pick one. 1447 switch (IK) { 1448 case IK_None: 1449 case IK_AST: 1450 case IK_LLVM_IR: 1451 assert(0 && "Invalid input kind!"); 1452 case IK_OpenCL: 1453 LangStd = LangStandard::lang_opencl; 1454 break; 1455 case IK_CUDA: 1456 LangStd = LangStandard::lang_cuda; 1457 break; 1458 case IK_Asm: 1459 case IK_C: 1460 case IK_PreprocessedC: 1461 case IK_ObjC: 1462 case IK_PreprocessedObjC: 1463 LangStd = LangStandard::lang_gnu99; 1464 break; 1465 case IK_CXX: 1466 case IK_PreprocessedCXX: 1467 case IK_ObjCXX: 1468 case IK_PreprocessedObjCXX: 1469 LangStd = LangStandard::lang_gnucxx98; 1470 break; 1471 } 1472 } 1473 1474 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1475 Opts.BCPLComment = Std.hasBCPLComments(); 1476 Opts.C99 = Std.isC99(); 1477 Opts.C1X = Std.isC1X(); 1478 Opts.CPlusPlus = Std.isCPlusPlus(); 1479 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1480 Opts.Digraphs = Std.hasDigraphs(); 1481 Opts.GNUMode = Std.isGNUMode(); 1482 Opts.GNUInline = !Std.isC99(); 1483 Opts.HexFloats = Std.hasHexFloats(); 1484 Opts.ImplicitInt = Std.hasImplicitInt(); 1485 1486 // OpenCL has some additional defaults. 1487 if (LangStd == LangStandard::lang_opencl) { 1488 Opts.OpenCL = 1; 1489 Opts.AltiVec = 1; 1490 Opts.CXXOperatorNames = 1; 1491 Opts.LaxVectorConversions = 1; 1492 Opts.DefaultFPContract = 1; 1493 } 1494 1495 if (LangStd == LangStandard::lang_cuda) 1496 Opts.CUDA = 1; 1497 1498 // OpenCL and C++ both have bool, true, false keywords. 1499 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1500 1501 Opts.GNUKeywords = Opts.GNUMode; 1502 Opts.CXXOperatorNames = Opts.CPlusPlus; 1503 1504 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1505 // is specified, or -std is set to a conforming mode. 1506 Opts.Trigraphs = !Opts.GNUMode; 1507 1508 Opts.DollarIdents = !Opts.AsmPreprocessor; 1509 } 1510 1511 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1512 Diagnostic &Diags) { 1513 // FIXME: Cleanup per-file based stuff. 1514 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1515 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1516 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1517 #define LANGSTANDARD(id, name, desc, features) \ 1518 .Case(name, LangStandard::lang_##id) 1519 #include "clang/Frontend/LangStandards.def" 1520 .Default(LangStandard::lang_unspecified); 1521 if (LangStd == LangStandard::lang_unspecified) 1522 Diags.Report(diag::err_drv_invalid_value) 1523 << A->getAsString(Args) << A->getValue(Args); 1524 else { 1525 // Valid standard, check to make sure language and standard are compatable. 1526 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1527 switch (IK) { 1528 case IK_C: 1529 case IK_ObjC: 1530 case IK_PreprocessedC: 1531 case IK_PreprocessedObjC: 1532 if (!(Std.isC89() || Std.isC99())) 1533 Diags.Report(diag::err_drv_argument_not_allowed_with) 1534 << A->getAsString(Args) << "C/ObjC"; 1535 break; 1536 case IK_CXX: 1537 case IK_ObjCXX: 1538 case IK_PreprocessedCXX: 1539 case IK_PreprocessedObjCXX: 1540 if (!Std.isCPlusPlus()) 1541 Diags.Report(diag::err_drv_argument_not_allowed_with) 1542 << A->getAsString(Args) << "C++/ObjC++"; 1543 break; 1544 case IK_OpenCL: 1545 if (!Std.isC99()) 1546 Diags.Report(diag::err_drv_argument_not_allowed_with) 1547 << A->getAsString(Args) << "OpenCL"; 1548 break; 1549 case IK_CUDA: 1550 if (!Std.isCPlusPlus()) 1551 Diags.Report(diag::err_drv_argument_not_allowed_with) 1552 << A->getAsString(Args) << "CUDA"; 1553 break; 1554 default: 1555 break; 1556 } 1557 } 1558 } 1559 1560 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1561 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1562 Diags.Report(diag::err_drv_invalid_value) 1563 << A->getAsString(Args) << A->getValue(Args); 1564 } 1565 } 1566 1567 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1568 1569 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1570 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1571 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1572 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1573 // name, as it doesn't seem a useful distinction. 1574 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1575 Opts.GNUKeywords); 1576 1577 if (Args.hasArg(OPT_fno_operator_names)) 1578 Opts.CXXOperatorNames = 0; 1579 1580 if (Opts.ObjC1) { 1581 if (Args.hasArg(OPT_fobjc_gc_only)) 1582 Opts.setGCMode(LangOptions::GCOnly); 1583 else if (Args.hasArg(OPT_fobjc_gc)) 1584 Opts.setGCMode(LangOptions::HybridGC); 1585 else if (Args.hasArg(OPT_fobjc_arc)) { 1586 Opts.ObjCAutoRefCount = 1; 1587 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1588 Diags.Report(diag::err_arc_nonfragile_abi); 1589 } 1590 1591 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1592 Opts.ObjCRuntimeHasWeak = 1; 1593 1594 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1595 Opts.ObjCInferRelatedResultType = 0; 1596 } 1597 1598 if (Args.hasArg(OPT_fgnu89_inline)) 1599 Opts.GNUInline = 1; 1600 1601 if (Args.hasArg(OPT_fapple_kext)) { 1602 if (!Opts.CPlusPlus) 1603 Diags.Report(diag::warn_c_kext); 1604 else 1605 Opts.AppleKext = 1; 1606 } 1607 1608 if (Args.hasArg(OPT_print_ivar_layout)) 1609 Opts.ObjCGCBitmapPrint = 1; 1610 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1611 Opts.NoConstantCFStrings = 1; 1612 1613 if (Args.hasArg(OPT_faltivec)) 1614 Opts.AltiVec = 1; 1615 1616 if (Args.hasArg(OPT_pthread)) 1617 Opts.POSIXThreads = 1; 1618 1619 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1620 Opts.DelayedTemplateParsing = 1; 1621 1622 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1623 if (Vis == "default") 1624 Opts.setVisibilityMode(DefaultVisibility); 1625 else if (Vis == "hidden") 1626 Opts.setVisibilityMode(HiddenVisibility); 1627 else if (Vis == "protected") 1628 Opts.setVisibilityMode(ProtectedVisibility); 1629 else 1630 Diags.Report(diag::err_drv_invalid_value) 1631 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1632 1633 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1634 Opts.InlineVisibilityHidden = 1; 1635 1636 if (Args.hasArg(OPT_ftrapv)) { 1637 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1638 // Set the handler, if one is specified. 1639 Opts.OverflowHandler = 1640 Args.getLastArgValue(OPT_ftrapv_handler); 1641 } 1642 else if (Args.hasArg(OPT_fwrapv)) 1643 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1644 1645 if (Args.hasArg(OPT_trigraphs)) 1646 Opts.Trigraphs = 1; 1647 1648 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1649 OPT_fno_dollars_in_identifiers, 1650 Opts.DollarIdents); 1651 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1652 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1653 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1654 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1655 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1656 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1657 Opts.ConstStrings); 1658 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1659 Opts.LaxVectorConversions = 0; 1660 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1661 Opts.ThreadsafeStatics = 0; 1662 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1663 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1664 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1665 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1666 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1667 1668 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1669 Opts.Blocks = Args.hasArg(OPT_fblocks); 1670 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1671 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1672 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1673 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1674 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1675 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1676 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1677 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1678 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1679 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1680 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1681 Diags); 1682 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1683 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1684 0, Diags); 1685 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1686 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1687 Opts.ObjCConstantStringClass = 1688 Args.getLastArgValue(OPT_fconstant_string_class); 1689 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1690 if (Opts.ObjCNonFragileABI) 1691 Opts.ObjCNonFragileABI2 = true; 1692 Opts.ObjCDefaultSynthProperties = 1693 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1694 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1695 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1696 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1697 Opts.Static = Args.hasArg(OPT_static_define); 1698 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1699 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1700 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1701 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1702 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1703 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1704 Opts.OptimizeSize = 0; 1705 Opts.MRTD = Args.hasArg(OPT_mrtd); 1706 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1707 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1708 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1709 1710 // Record whether the __DEPRECATED define was requested. 1711 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1712 OPT_fno_deprecated_macro, 1713 Opts.Deprecated); 1714 1715 // FIXME: Eliminate this dependency. 1716 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1717 Opts.Optimize = Opt != 0; 1718 1719 // This is the __NO_INLINE__ define, which just depends on things like the 1720 // optimization level and -fno-inline, not actually whether the backend has 1721 // inlining enabled. 1722 // 1723 // FIXME: This is affected by other options (-fno-inline). 1724 Opts.NoInline = !Opt; 1725 1726 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1727 switch (SSP) { 1728 default: 1729 Diags.Report(diag::err_drv_invalid_value) 1730 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1731 break; 1732 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1733 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1734 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1735 } 1736 } 1737 1738 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1739 FileManager &FileMgr, 1740 Diagnostic &Diags) { 1741 using namespace cc1options; 1742 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1743 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1744 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1745 Opts.TokenCache = A->getValue(Args); 1746 else 1747 Opts.TokenCache = Opts.ImplicitPTHInclude; 1748 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1749 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1750 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1751 1752 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1753 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1754 ie = Args.filtered_end(); it != ie; ++it) { 1755 const Arg *A = *it; 1756 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1757 } 1758 1759 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1760 StringRef Value(A->getValue(Args)); 1761 size_t Comma = Value.find(','); 1762 unsigned Bytes = 0; 1763 unsigned EndOfLine = 0; 1764 1765 if (Comma == StringRef::npos || 1766 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1767 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1768 Diags.Report(diag::err_drv_preamble_format); 1769 else { 1770 Opts.PrecompiledPreambleBytes.first = Bytes; 1771 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1772 } 1773 } 1774 1775 // Add macros from the command line. 1776 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1777 ie = Args.filtered_end(); it != ie; ++it) { 1778 if ((*it)->getOption().matches(OPT_D)) 1779 Opts.addMacroDef((*it)->getValue(Args)); 1780 else 1781 Opts.addMacroUndef((*it)->getValue(Args)); 1782 } 1783 1784 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1785 1786 // Add the ordered list of -includes. 1787 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1788 OPT_include_pth), 1789 ie = Args.filtered_end(); it != ie; ++it) { 1790 const Arg *A = *it; 1791 // PCH is handled specially, we need to extra the original include path. 1792 if (A->getOption().matches(OPT_include_pch)) { 1793 std::string OriginalFile = 1794 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1795 if (OriginalFile.empty()) 1796 continue; 1797 1798 Opts.Includes.push_back(OriginalFile); 1799 } else 1800 Opts.Includes.push_back(A->getValue(Args)); 1801 } 1802 1803 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1804 ie = Args.filtered_end(); it != ie; ++it) { 1805 const Arg *A = *it; 1806 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1807 } 1808 1809 // Include 'altivec.h' if -faltivec option present 1810 if (Args.hasArg(OPT_faltivec)) 1811 Opts.Includes.push_back("altivec.h"); 1812 1813 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1814 ie = Args.filtered_end(); it != ie; ++it) { 1815 const Arg *A = *it; 1816 std::pair<StringRef,StringRef> Split = 1817 StringRef(A->getValue(Args)).split(';'); 1818 1819 if (Split.second.empty()) { 1820 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1821 continue; 1822 } 1823 1824 Opts.addRemappedFile(Split.first, Split.second); 1825 } 1826 1827 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1828 StringRef Name = A->getValue(Args); 1829 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1830 .Case("libc++", ARCXX_libcxx) 1831 .Case("libstdc++", ARCXX_libstdcxx) 1832 .Case("none", ARCXX_nolib) 1833 .Default(~0U); 1834 if (Library == ~0U) 1835 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1836 else 1837 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1838 } 1839 } 1840 1841 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1842 ArgList &Args) { 1843 using namespace cc1options; 1844 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1845 Opts.ShowComments = Args.hasArg(OPT_C); 1846 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1847 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1848 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1849 } 1850 1851 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1852 using namespace cc1options; 1853 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1854 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1855 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1856 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1857 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1858 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1859 1860 // Use the host triple if unspecified. 1861 if (Opts.Triple.empty()) 1862 Opts.Triple = llvm::sys::getHostTriple(); 1863 } 1864 1865 // 1866 1867 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1868 const char *const *ArgBegin, 1869 const char *const *ArgEnd, 1870 Diagnostic &Diags) { 1871 // Parse the arguments. 1872 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1873 unsigned MissingArgIndex, MissingArgCount; 1874 llvm::OwningPtr<InputArgList> Args( 1875 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1876 1877 // Check for missing argument error. 1878 if (MissingArgCount) 1879 Diags.Report(diag::err_drv_missing_argument) 1880 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1881 1882 // Issue errors on unknown arguments. 1883 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1884 ie = Args->filtered_end(); it != ie; ++it) 1885 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1886 1887 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1888 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1889 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1890 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1891 // FIXME: We shouldn't have to pass the DashX option around here 1892 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1893 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1894 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1895 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1896 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1897 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1898 Res.getLangOpts().ObjCExceptions = 1; 1899 } 1900 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1901 // PCH file and find the original header name. Remove the need to do that in 1902 // ParsePreprocessorArgs and remove the FileManager 1903 // parameters from the function and the "FileManager.h" #include. 1904 FileManager FileMgr(Res.getFileSystemOpts()); 1905 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1906 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1907 ParseTargetArgs(Res.getTargetOpts(), *Args); 1908 } 1909