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