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