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::GenerateModule: return "-emit-module"; 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 case FrontendOptions::ARCMT_Migrate: 436 Res.push_back("-arcmt-migrate"); 437 break; 438 } 439 if (!Opts.ARCMTMigrateDir.empty()) { 440 Res.push_back("-arcmt-migrate-directory"); 441 Res.push_back(Opts.ARCMTMigrateDir); 442 } 443 if (!Opts.ARCMTMigrateReportOut.empty()) { 444 Res.push_back("-arcmt-migrate-report-output"); 445 Res.push_back(Opts.ARCMTMigrateReportOut); 446 } 447 if (Opts.ARCMTMigrateEmitARCErrors) 448 Res.push_back("-arcmt-migrate-emit-errors"); 449 450 bool NeedLang = false; 451 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 452 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 453 Opts.Inputs[i].first) 454 NeedLang = true; 455 if (NeedLang) { 456 Res.push_back("-x"); 457 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 458 } 459 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 460 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 461 "Unable to represent this input vector!"); 462 Res.push_back(Opts.Inputs[i].second); 463 } 464 465 if (!Opts.OutputFile.empty()) { 466 Res.push_back("-o"); 467 Res.push_back(Opts.OutputFile); 468 } 469 if (!Opts.CodeCompletionAt.FileName.empty()) { 470 Res.push_back("-code-completion-at"); 471 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 472 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 473 llvm::utostr(Opts.CodeCompletionAt.Column)); 474 } 475 if (Opts.ProgramAction != frontend::PluginAction) 476 Res.push_back(getActionName(Opts.ProgramAction)); 477 if (!Opts.ActionName.empty()) { 478 Res.push_back("-plugin"); 479 Res.push_back(Opts.ActionName); 480 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 481 Res.push_back("-plugin-arg-" + Opts.ActionName); 482 Res.push_back(Opts.PluginArgs[i]); 483 } 484 } 485 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 486 Res.push_back("-load"); 487 Res.push_back(Opts.Plugins[i]); 488 } 489 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 490 Res.push_back("-add-plugin"); 491 Res.push_back(Opts.AddPluginActions[i]); 492 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 493 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 494 Res.push_back(Opts.AddPluginArgs[i][ai]); 495 } 496 } 497 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 498 Res.push_back("-ast-merge"); 499 Res.push_back(Opts.ASTMergeFiles[i]); 500 } 501 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 502 Res.push_back("-import-module"); 503 Res.push_back(Opts.Modules[i]); 504 } 505 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 506 Res.push_back("-mllvm"); 507 Res.push_back(Opts.LLVMArgs[i]); 508 } 509 } 510 511 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 512 std::vector<std::string> &Res) { 513 if (Opts.Sysroot != "/") { 514 Res.push_back("-isysroot"); 515 Res.push_back(Opts.Sysroot); 516 } 517 518 /// User specified include entries. 519 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 520 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 521 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 522 llvm::report_fatal_error("Invalid option set!"); 523 if (E.IsUserSupplied) { 524 switch (E.Group) { 525 case frontend::After: 526 Res.push_back("-idirafter"); 527 break; 528 529 case frontend::Quoted: 530 Res.push_back("-iquote"); 531 break; 532 533 case frontend::System: 534 Res.push_back("-isystem"); 535 break; 536 537 case frontend::IndexHeaderMap: 538 Res.push_back("-index-header-map"); 539 Res.push_back(E.IsFramework? "-F" : "-I"); 540 break; 541 542 case frontend::CXXSystem: 543 Res.push_back("-cxx-isystem"); 544 break; 545 546 case frontend::Angled: 547 Res.push_back(E.IsFramework ? "-F" : "-I"); 548 break; 549 } 550 } else { 551 if (E.Group != frontend::Angled && E.Group != frontend::System) 552 llvm::report_fatal_error("Invalid option set!"); 553 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 554 "-iwithprefix"); 555 } 556 Res.push_back(E.Path); 557 } 558 559 if (!Opts.EnvIncPath.empty()) { 560 // FIXME: Provide an option for this, and move env detection to driver. 561 llvm::report_fatal_error("Not yet implemented!"); 562 } 563 if (!Opts.CEnvIncPath.empty()) { 564 // FIXME: Provide an option for this, and move env detection to driver. 565 llvm::report_fatal_error("Not yet implemented!"); 566 } 567 if (!Opts.ObjCEnvIncPath.empty()) { 568 // FIXME: Provide an option for this, and move env detection to driver. 569 llvm::report_fatal_error("Not yet implemented!"); 570 } 571 if (!Opts.CXXEnvIncPath.empty()) { 572 // FIXME: Provide an option for this, and move env detection to driver. 573 llvm::report_fatal_error("Not yet implemented!"); 574 } 575 if (!Opts.ObjCXXEnvIncPath.empty()) { 576 // FIXME: Provide an option for this, and move env detection to driver. 577 llvm::report_fatal_error("Not yet implemented!"); 578 } 579 if (!Opts.ResourceDir.empty()) { 580 Res.push_back("-resource-dir"); 581 Res.push_back(Opts.ResourceDir); 582 } 583 if (!Opts.UseStandardIncludes) 584 Res.push_back("-nostdinc"); 585 if (!Opts.UseStandardCXXIncludes) 586 Res.push_back("-nostdinc++"); 587 if (Opts.UseLibcxx) 588 Res.push_back("-stdlib=libc++"); 589 if (Opts.Verbose) 590 Res.push_back("-v"); 591 } 592 593 static void LangOptsToArgs(const LangOptions &Opts, 594 std::vector<std::string> &Res) { 595 LangOptions DefaultLangOpts; 596 597 // FIXME: Need to set -std to get all the implicit options. 598 599 // FIXME: We want to only pass options relative to the defaults, which 600 // requires constructing a target. :( 601 // 602 // It would be better to push the all target specific choices into the driver, 603 // so that everything below that was more uniform. 604 605 if (Opts.Trigraphs) 606 Res.push_back("-trigraphs"); 607 // Implicit based on the input kind: 608 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 609 // Implicit based on the input language standard: 610 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 611 if (Opts.DollarIdents) 612 Res.push_back("-fdollars-in-identifiers"); 613 if (Opts.GNUMode && !Opts.GNUKeywords) 614 Res.push_back("-fno-gnu-keywords"); 615 if (!Opts.GNUMode && Opts.GNUKeywords) 616 Res.push_back("-fgnu-keywords"); 617 if (Opts.Microsoft) 618 Res.push_back("-fms-extensions"); 619 if (Opts.MSCVersion != 0) 620 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 621 if (Opts.Borland) 622 Res.push_back("-fborland-extensions"); 623 if (Opts.ObjCNonFragileABI) 624 Res.push_back("-fobjc-nonfragile-abi"); 625 if (Opts.ObjCNonFragileABI2) 626 Res.push_back("-fobjc-nonfragile-abi"); 627 if (Opts.ObjCDefaultSynthProperties) 628 Res.push_back("-fobjc-default-synthesize-properties"); 629 // NoInline is implicit. 630 if (!Opts.CXXOperatorNames) 631 Res.push_back("-fno-operator-names"); 632 if (Opts.PascalStrings) 633 Res.push_back("-fpascal-strings"); 634 if (Opts.CatchUndefined) 635 Res.push_back("-fcatch-undefined-behavior"); 636 if (Opts.WritableStrings) 637 Res.push_back("-fwritable-strings"); 638 if (Opts.ConstStrings) 639 Res.push_back("-fconst-strings"); 640 if (!Opts.LaxVectorConversions) 641 Res.push_back("-fno-lax-vector-conversions"); 642 if (Opts.AltiVec) 643 Res.push_back("-faltivec"); 644 if (Opts.Exceptions) 645 Res.push_back("-fexceptions"); 646 if (Opts.ObjCExceptions) 647 Res.push_back("-fobjc-exceptions"); 648 if (Opts.CXXExceptions) 649 Res.push_back("-fcxx-exceptions"); 650 if (Opts.SjLjExceptions) 651 Res.push_back("-fsjlj-exceptions"); 652 if (Opts.TraditionalCPP) 653 Res.push_back("-traditional-cpp"); 654 if (!Opts.RTTI) 655 Res.push_back("-fno-rtti"); 656 if (Opts.MSBitfields) 657 Res.push_back("-mms-bitfields"); 658 if (!Opts.NeXTRuntime) 659 Res.push_back("-fgnu-runtime"); 660 if (Opts.Freestanding) 661 Res.push_back("-ffreestanding"); 662 if (Opts.NoBuiltin) 663 Res.push_back("-fno-builtin"); 664 if (!Opts.AssumeSaneOperatorNew) 665 Res.push_back("-fno-assume-sane-operator-new"); 666 if (!Opts.ThreadsafeStatics) 667 Res.push_back("-fno-threadsafe-statics"); 668 if (Opts.POSIXThreads) 669 Res.push_back("-pthread"); 670 if (Opts.Blocks) 671 Res.push_back("-fblocks"); 672 if (Opts.EmitAllDecls) 673 Res.push_back("-femit-all-decls"); 674 if (Opts.MathErrno) 675 Res.push_back("-fmath-errno"); 676 switch (Opts.getSignedOverflowBehavior()) { 677 case LangOptions::SOB_Undefined: break; 678 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 679 case LangOptions::SOB_Trapping: 680 Res.push_back("-ftrapv"); break; 681 if (!Opts.OverflowHandler.empty()) { 682 Res.push_back("-ftrapv-handler"); 683 Res.push_back(Opts.OverflowHandler); 684 } 685 } 686 if (Opts.HeinousExtensions) 687 Res.push_back("-fheinous-gnu-extensions"); 688 // Optimize is implicit. 689 // OptimizeSize is implicit. 690 if (Opts.Static) 691 Res.push_back("-static-define"); 692 if (Opts.DumpRecordLayouts) 693 Res.push_back("-fdump-record-layouts"); 694 if (Opts.DumpVTableLayouts) 695 Res.push_back("-fdump-vtable-layouts"); 696 if (Opts.NoBitFieldTypeAlign) 697 Res.push_back("-fno-bitfield-type-alignment"); 698 if (Opts.PICLevel) { 699 Res.push_back("-pic-level"); 700 Res.push_back(llvm::utostr(Opts.PICLevel)); 701 } 702 if (Opts.ObjCGCBitmapPrint) 703 Res.push_back("-print-ivar-layout"); 704 if (Opts.NoConstantCFStrings) 705 Res.push_back("-fno-constant-cfstrings"); 706 if (!Opts.AccessControl) 707 Res.push_back("-fno-access-control"); 708 if (!Opts.CharIsSigned) 709 Res.push_back("-fno-signed-char"); 710 if (Opts.ShortWChar) 711 Res.push_back("-fshort-wchar"); 712 if (!Opts.ElideConstructors) 713 Res.push_back("-fno-elide-constructors"); 714 if (Opts.getGCMode() != LangOptions::NonGC) { 715 if (Opts.getGCMode() == LangOptions::HybridGC) { 716 Res.push_back("-fobjc-gc"); 717 } else { 718 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 719 Res.push_back("-fobjc-gc-only"); 720 } 721 } 722 if (Opts.ObjCAutoRefCount) 723 Res.push_back("-fobjc-arc"); 724 if (Opts.ObjCRuntimeHasWeak) 725 Res.push_back("-fobjc-runtime-has-weak"); 726 if (!Opts.ObjCInferRelatedResultType) 727 Res.push_back("-fno-objc-infer-related-result-type"); 728 729 if (Opts.AppleKext) 730 Res.push_back("-fapple-kext"); 731 732 if (Opts.getVisibilityMode() != DefaultVisibility) { 733 Res.push_back("-fvisibility"); 734 if (Opts.getVisibilityMode() == HiddenVisibility) { 735 Res.push_back("hidden"); 736 } else { 737 assert(Opts.getVisibilityMode() == ProtectedVisibility && 738 "Invalid visibility!"); 739 Res.push_back("protected"); 740 } 741 } 742 if (Opts.InlineVisibilityHidden) 743 Res.push_back("-fvisibility-inlines-hidden"); 744 745 if (Opts.getStackProtectorMode() != 0) { 746 Res.push_back("-stack-protector"); 747 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 748 } 749 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 750 Res.push_back("-ftemplate-depth"); 751 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 752 } 753 if (!Opts.ObjCConstantStringClass.empty()) { 754 Res.push_back("-fconstant-string-class"); 755 Res.push_back(Opts.ObjCConstantStringClass); 756 } 757 if (Opts.FakeAddressSpaceMap) 758 Res.push_back("-ffake-address-space-map"); 759 if (Opts.ParseUnknownAnytype) 760 Res.push_back("-funknown-anytype"); 761 if (Opts.DebuggerSupport) 762 Res.push_back("-fdebugger-support"); 763 if (Opts.DelayedTemplateParsing) 764 Res.push_back("-fdelayed-template-parsing"); 765 if (Opts.Deprecated) 766 Res.push_back("-fdeprecated-macro"); 767 } 768 769 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 770 std::vector<std::string> &Res) { 771 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 772 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 773 Opts.Macros[i].first); 774 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 775 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 776 Res.push_back("-include"); 777 Res.push_back(Opts.Includes[i]); 778 } 779 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 780 Res.push_back("-import_module"); 781 Res.push_back(Opts.Modules[i]); 782 } 783 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 784 Res.push_back("-imacros"); 785 Res.push_back(Opts.MacroIncludes[i]); 786 } 787 if (!Opts.UsePredefines) 788 Res.push_back("-undef"); 789 if (Opts.DetailedRecord) 790 Res.push_back("-detailed-preprocessing-record"); 791 if (!Opts.ImplicitPCHInclude.empty()) { 792 Res.push_back("-include-pch"); 793 Res.push_back(Opts.ImplicitPCHInclude); 794 } 795 if (!Opts.ImplicitPTHInclude.empty()) { 796 Res.push_back("-include-pth"); 797 Res.push_back(Opts.ImplicitPTHInclude); 798 } 799 if (!Opts.TokenCache.empty()) { 800 if (Opts.ImplicitPTHInclude.empty()) { 801 Res.push_back("-token-cache"); 802 Res.push_back(Opts.TokenCache); 803 } else 804 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 805 "Unsupported option combination!"); 806 } 807 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 808 Res.push_back("-chain-include"); 809 Res.push_back(Opts.ChainedIncludes[i]); 810 } 811 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 812 Res.push_back("-remap-file"); 813 Res.push_back(Opts.RemappedFiles[i].first + ";" + 814 Opts.RemappedFiles[i].second); 815 } 816 } 817 818 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 819 std::vector<std::string> &Res) { 820 if (!Opts.ShowCPP && !Opts.ShowMacros) 821 llvm::report_fatal_error("Invalid option combination!"); 822 823 if (Opts.ShowCPP && Opts.ShowMacros) 824 Res.push_back("-dD"); 825 else if (!Opts.ShowCPP && Opts.ShowMacros) 826 Res.push_back("-dM"); 827 828 if (!Opts.ShowLineMarkers) 829 Res.push_back("-P"); 830 if (Opts.ShowComments) 831 Res.push_back("-C"); 832 if (Opts.ShowMacroComments) 833 Res.push_back("-CC"); 834 } 835 836 static void TargetOptsToArgs(const TargetOptions &Opts, 837 std::vector<std::string> &Res) { 838 Res.push_back("-triple"); 839 Res.push_back(Opts.Triple); 840 if (!Opts.CPU.empty()) { 841 Res.push_back("-target-cpu"); 842 Res.push_back(Opts.CPU); 843 } 844 if (!Opts.ABI.empty()) { 845 Res.push_back("-target-abi"); 846 Res.push_back(Opts.ABI); 847 } 848 if (!Opts.LinkerVersion.empty()) { 849 Res.push_back("-target-linker-version"); 850 Res.push_back(Opts.LinkerVersion); 851 } 852 if (!Opts.CXXABI.empty()) { 853 Res.push_back("-cxx-abi"); 854 Res.push_back(Opts.CXXABI); 855 } 856 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 857 Res.push_back("-target-feature"); 858 Res.push_back(Opts.Features[i]); 859 } 860 } 861 862 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 863 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 864 CodeGenOptsToArgs(getCodeGenOpts(), Res); 865 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 866 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 867 FileSystemOptsToArgs(getFileSystemOpts(), Res); 868 FrontendOptsToArgs(getFrontendOpts(), Res); 869 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 870 LangOptsToArgs(getLangOpts(), Res); 871 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 872 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 873 TargetOptsToArgs(getTargetOpts(), Res); 874 } 875 876 //===----------------------------------------------------------------------===// 877 // Deserialization (to args) 878 //===----------------------------------------------------------------------===// 879 880 using namespace clang::driver; 881 using namespace clang::driver::cc1options; 882 883 // 884 885 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 886 Diagnostic &Diags) { 887 unsigned DefaultOpt = 0; 888 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 889 DefaultOpt = 2; 890 // -Os/-Oz implies -O2 891 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 892 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 893 } 894 895 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 896 Diagnostic &Diags) { 897 using namespace cc1options; 898 899 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 900 StringRef Name = A->getValue(Args); 901 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 902 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 903 .Case(CMDFLAG, NAME##Model) 904 #include "clang/Frontend/Analyses.def" 905 .Default(NumStores); 906 // FIXME: Error handling. 907 if (Value == NumStores) 908 Diags.Report(diag::err_drv_invalid_value) 909 << A->getAsString(Args) << Name; 910 else 911 Opts.AnalysisStoreOpt = Value; 912 } 913 914 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 915 StringRef Name = A->getValue(Args); 916 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 917 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 918 .Case(CMDFLAG, NAME##Model) 919 #include "clang/Frontend/Analyses.def" 920 .Default(NumConstraints); 921 // FIXME: Error handling. 922 if (Value == NumConstraints) 923 Diags.Report(diag::err_drv_invalid_value) 924 << A->getAsString(Args) << Name; 925 else 926 Opts.AnalysisConstraintsOpt = Value; 927 } 928 929 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 930 StringRef Name = A->getValue(Args); 931 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 932 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 933 .Case(CMDFLAG, PD_##NAME) 934 #include "clang/Frontend/Analyses.def" 935 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 936 // FIXME: Error handling. 937 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 938 Diags.Report(diag::err_drv_invalid_value) 939 << A->getAsString(Args) << Name; 940 else 941 Opts.AnalysisDiagOpt = Value; 942 } 943 944 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 945 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 946 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 947 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 948 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 949 Opts.AnalyzeNestedBlocks = 950 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 951 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 952 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 953 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 954 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 955 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 956 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 957 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 958 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 959 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 960 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 961 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 962 963 Opts.CheckersControlList.clear(); 964 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 965 OPT_analyzer_disable_checker), 966 ie = Args.filtered_end(); it != ie; ++it) { 967 const Arg *A = *it; 968 A->claim(); 969 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 970 // We can have a list of comma separated checker names, e.g: 971 // '-analyzer-checker=cocoa,unix' 972 StringRef checkerList = A->getValue(Args); 973 SmallVector<StringRef, 4> checkers; 974 checkerList.split(checkers, ","); 975 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 976 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 977 } 978 } 979 980 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 981 Diagnostic &Diags) { 982 using namespace cc1options; 983 984 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 985 if (Opts.OptimizationLevel > 3) { 986 Diags.Report(diag::err_drv_invalid_value) 987 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 988 Opts.OptimizationLevel = 3; 989 } 990 991 // We must always run at least the always inlining pass. 992 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 993 : CodeGenOptions::OnlyAlwaysInlining; 994 995 Opts.DebugInfo = Args.hasArg(OPT_g); 996 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 997 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 998 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 999 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1000 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1001 OPT_fuse_register_sized_bitfield_access); 1002 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1003 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1004 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1005 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1006 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1007 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1008 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1009 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1010 Args.hasArg(OPT_ffreestanding)); 1011 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1012 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1013 1014 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1015 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1016 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1017 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1018 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1019 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1020 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1021 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1022 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1023 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1024 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1025 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1026 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1027 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1028 Args.hasArg(OPT_cl_fast_relaxed_math); 1029 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1030 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1031 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1032 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1033 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1034 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1035 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1036 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1037 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1038 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1039 Args.hasArg(OPT_cl_fast_relaxed_math); 1040 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1041 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1042 1043 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1044 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1045 1046 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1047 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1048 1049 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1050 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1051 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1052 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1053 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1054 1055 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1056 StringRef Name = A->getValue(Args); 1057 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1058 .Case("legacy", CodeGenOptions::Legacy) 1059 .Case("non-legacy", CodeGenOptions::NonLegacy) 1060 .Case("mixed", CodeGenOptions::Mixed) 1061 .Default(~0U); 1062 if (Method == ~0U) 1063 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1064 else 1065 Opts.ObjCDispatchMethod = Method; 1066 } 1067 } 1068 1069 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1070 ArgList &Args) { 1071 using namespace cc1options; 1072 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1073 Opts.Targets = Args.getAllArgValues(OPT_MT); 1074 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1075 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1076 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1077 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1078 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1079 } 1080 1081 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1082 Diagnostic &Diags) { 1083 using namespace cc1options; 1084 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1085 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1086 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1087 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1088 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1089 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1090 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1091 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1092 OPT_fno_show_column, 1093 /*Default=*/true); 1094 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1095 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1096 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1097 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1098 1099 // Default behavior is to not to show note include stacks. 1100 Opts.ShowNoteIncludeStack = false; 1101 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1102 OPT_fno_diagnostics_show_note_include_stack)) 1103 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1104 Opts.ShowNoteIncludeStack = true; 1105 1106 StringRef ShowOverloads = 1107 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1108 if (ShowOverloads == "best") 1109 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1110 else if (ShowOverloads == "all") 1111 Opts.ShowOverloads = Diagnostic::Ovl_All; 1112 else 1113 Diags.Report(diag::err_drv_invalid_value) 1114 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1115 << ShowOverloads; 1116 1117 StringRef ShowCategory = 1118 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1119 if (ShowCategory == "none") 1120 Opts.ShowCategories = 0; 1121 else if (ShowCategory == "id") 1122 Opts.ShowCategories = 1; 1123 else if (ShowCategory == "name") 1124 Opts.ShowCategories = 2; 1125 else 1126 Diags.Report(diag::err_drv_invalid_value) 1127 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1128 << ShowCategory; 1129 1130 StringRef Format = 1131 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1132 if (Format == "clang") 1133 Opts.Format = DiagnosticOptions::Clang; 1134 else if (Format == "msvc") 1135 Opts.Format = DiagnosticOptions::Msvc; 1136 else if (Format == "vi") 1137 Opts.Format = DiagnosticOptions::Vi; 1138 else 1139 Diags.Report(diag::err_drv_invalid_value) 1140 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1141 << Format; 1142 1143 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1144 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1145 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1146 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1147 Opts.MacroBacktraceLimit 1148 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1149 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1150 Opts.TemplateBacktraceLimit 1151 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1152 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1153 Diags); 1154 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1155 DiagnosticOptions::DefaultTabStop, Diags); 1156 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1157 Diags.Report(diag::warn_ignoring_ftabstop_value) 1158 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1159 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1160 } 1161 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1162 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1163 Opts.Warnings = Args.getAllArgValues(OPT_W); 1164 } 1165 1166 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1167 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1168 } 1169 1170 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1171 Diagnostic &Diags) { 1172 using namespace cc1options; 1173 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1174 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1175 switch (A->getOption().getID()) { 1176 default: 1177 assert(0 && "Invalid option in group!"); 1178 case OPT_ast_dump: 1179 Opts.ProgramAction = frontend::ASTDump; break; 1180 case OPT_ast_dump_xml: 1181 Opts.ProgramAction = frontend::ASTDumpXML; break; 1182 case OPT_ast_print: 1183 Opts.ProgramAction = frontend::ASTPrint; break; 1184 case OPT_ast_view: 1185 Opts.ProgramAction = frontend::ASTView; break; 1186 case OPT_dump_raw_tokens: 1187 Opts.ProgramAction = frontend::DumpRawTokens; break; 1188 case OPT_dump_tokens: 1189 Opts.ProgramAction = frontend::DumpTokens; break; 1190 case OPT_S: 1191 Opts.ProgramAction = frontend::EmitAssembly; break; 1192 case OPT_emit_llvm_bc: 1193 Opts.ProgramAction = frontend::EmitBC; break; 1194 case OPT_emit_html: 1195 Opts.ProgramAction = frontend::EmitHTML; break; 1196 case OPT_emit_llvm: 1197 Opts.ProgramAction = frontend::EmitLLVM; break; 1198 case OPT_emit_llvm_only: 1199 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1200 case OPT_emit_codegen_only: 1201 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1202 case OPT_emit_obj: 1203 Opts.ProgramAction = frontend::EmitObj; break; 1204 case OPT_fixit_EQ: 1205 Opts.FixItSuffix = A->getValue(Args); 1206 // fall-through! 1207 case OPT_fixit: 1208 Opts.ProgramAction = frontend::FixIt; break; 1209 case OPT_emit_module: 1210 Opts.ProgramAction = frontend::GenerateModule; break; 1211 case OPT_emit_pch: 1212 Opts.ProgramAction = frontend::GeneratePCH; break; 1213 case OPT_emit_pth: 1214 Opts.ProgramAction = frontend::GeneratePTH; break; 1215 case OPT_init_only: 1216 Opts.ProgramAction = frontend::InitOnly; break; 1217 case OPT_fsyntax_only: 1218 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1219 case OPT_print_decl_contexts: 1220 Opts.ProgramAction = frontend::PrintDeclContext; break; 1221 case OPT_print_preamble: 1222 Opts.ProgramAction = frontend::PrintPreamble; break; 1223 case OPT_E: 1224 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1225 case OPT_rewrite_macros: 1226 Opts.ProgramAction = frontend::RewriteMacros; break; 1227 case OPT_rewrite_objc: 1228 Opts.ProgramAction = frontend::RewriteObjC; break; 1229 case OPT_rewrite_test: 1230 Opts.ProgramAction = frontend::RewriteTest; break; 1231 case OPT_analyze: 1232 Opts.ProgramAction = frontend::RunAnalysis; break; 1233 case OPT_Eonly: 1234 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1235 case OPT_create_module: 1236 Opts.ProgramAction = frontend::CreateModule; break; 1237 } 1238 } 1239 1240 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1241 Opts.Plugins.push_back(A->getValue(Args,0)); 1242 Opts.ProgramAction = frontend::PluginAction; 1243 Opts.ActionName = A->getValue(Args); 1244 1245 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1246 end = Args.filtered_end(); it != end; ++it) { 1247 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1248 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1249 } 1250 } 1251 1252 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1253 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1254 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1255 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1256 end = Args.filtered_end(); it != end; ++it) { 1257 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1258 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1259 } 1260 } 1261 1262 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1263 Opts.CodeCompletionAt = 1264 ParsedSourceLocation::FromString(A->getValue(Args)); 1265 if (Opts.CodeCompletionAt.FileName.empty()) 1266 Diags.Report(diag::err_drv_invalid_value) 1267 << A->getAsString(Args) << A->getValue(Args); 1268 } 1269 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1270 1271 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1272 Opts.Plugins = Args.getAllArgValues(OPT_load); 1273 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1274 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1275 Opts.ShowHelp = Args.hasArg(OPT_help); 1276 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1277 Opts.ShowCodePatternsInCodeCompletion 1278 = Args.hasArg(OPT_code_completion_patterns); 1279 Opts.ShowGlobalSymbolsInCodeCompletion 1280 = !Args.hasArg(OPT_no_code_completion_globals); 1281 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1282 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1283 Opts.ShowVersion = Args.hasArg(OPT_version); 1284 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1285 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1286 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1287 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1288 1289 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1290 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1291 OPT_arcmt_modify, 1292 OPT_arcmt_migrate)) { 1293 switch (A->getOption().getID()) { 1294 default: 1295 llvm_unreachable("missed a case"); 1296 case OPT_arcmt_check: 1297 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1298 break; 1299 case OPT_arcmt_modify: 1300 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1301 break; 1302 case OPT_arcmt_migrate: 1303 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1304 break; 1305 } 1306 } 1307 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1308 Opts.ARCMTMigrateReportOut 1309 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1310 Opts.ARCMTMigrateEmitARCErrors 1311 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1312 1313 InputKind DashX = IK_None; 1314 if (const Arg *A = Args.getLastArg(OPT_x)) { 1315 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1316 .Case("c", IK_C) 1317 .Case("cl", IK_OpenCL) 1318 .Case("cuda", IK_CUDA) 1319 .Case("c++", IK_CXX) 1320 .Case("objective-c", IK_ObjC) 1321 .Case("objective-c++", IK_ObjCXX) 1322 .Case("cpp-output", IK_PreprocessedC) 1323 .Case("assembler-with-cpp", IK_Asm) 1324 .Case("c++-cpp-output", IK_PreprocessedCXX) 1325 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1326 .Case("objc-cpp-output", IK_PreprocessedObjC) 1327 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1328 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1329 .Case("c-header", IK_C) 1330 .Case("objective-c-header", IK_ObjC) 1331 .Case("c++-header", IK_CXX) 1332 .Case("objective-c++-header", IK_ObjCXX) 1333 .Case("ast", IK_AST) 1334 .Case("ir", IK_LLVM_IR) 1335 .Default(IK_None); 1336 if (DashX == IK_None) 1337 Diags.Report(diag::err_drv_invalid_value) 1338 << A->getAsString(Args) << A->getValue(Args); 1339 } 1340 1341 // '-' is the default input if none is given. 1342 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1343 Opts.Inputs.clear(); 1344 if (Inputs.empty()) 1345 Inputs.push_back("-"); 1346 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1347 InputKind IK = DashX; 1348 if (IK == IK_None) { 1349 IK = FrontendOptions::getInputKindForExtension( 1350 StringRef(Inputs[i]).rsplit('.').second); 1351 // FIXME: Remove this hack. 1352 if (i == 0) 1353 DashX = IK; 1354 } 1355 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1356 } 1357 1358 return DashX; 1359 } 1360 1361 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1362 void *MainAddr) { 1363 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1364 1365 if (!P.isEmpty()) { 1366 P.eraseComponent(); // Remove /clang from foo/bin/clang 1367 P.eraseComponent(); // Remove /bin from foo/bin 1368 1369 // Get foo/lib/clang/<version>/include 1370 P.appendComponent("lib"); 1371 P.appendComponent("clang"); 1372 P.appendComponent(CLANG_VERSION_STRING); 1373 } 1374 1375 return P.str(); 1376 } 1377 1378 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1379 using namespace cc1options; 1380 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1381 Opts.Verbose = Args.hasArg(OPT_v); 1382 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1383 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1384 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1385 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1386 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1387 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1388 1389 // Add -I..., -F..., and -index-header-map options in order. 1390 bool IsIndexHeaderMap = false; 1391 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1392 OPT_index_header_map), 1393 ie = Args.filtered_end(); it != ie; ++it) { 1394 if ((*it)->getOption().matches(OPT_index_header_map)) { 1395 // -index-header-map applies to the next -I or -F. 1396 IsIndexHeaderMap = true; 1397 continue; 1398 } 1399 1400 frontend::IncludeDirGroup Group 1401 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1402 1403 Opts.AddPath((*it)->getValue(Args), Group, true, 1404 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1405 IsIndexHeaderMap = false; 1406 } 1407 1408 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1409 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1410 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1411 OPT_iwithprefixbefore), 1412 ie = Args.filtered_end(); it != ie; ++it) { 1413 const Arg *A = *it; 1414 if (A->getOption().matches(OPT_iprefix)) 1415 Prefix = A->getValue(Args); 1416 else if (A->getOption().matches(OPT_iwithprefix)) 1417 Opts.AddPath(Prefix.str() + A->getValue(Args), 1418 frontend::System, false, false, false); 1419 else 1420 Opts.AddPath(Prefix.str() + A->getValue(Args), 1421 frontend::Angled, false, false, false); 1422 } 1423 1424 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1425 ie = Args.filtered_end(); it != ie; ++it) 1426 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1427 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1428 ie = Args.filtered_end(); it != ie; ++it) 1429 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1430 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1431 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1432 Opts.AddPath((*it)->getValue(Args), 1433 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1434 frontend::CXXSystem : frontend::System), 1435 true, false, !(*it)->getOption().matches(OPT_iwithsysroot)); 1436 1437 // FIXME: Need options for the various environment variables! 1438 } 1439 1440 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1441 LangStandard::Kind LangStd) { 1442 // Set some properties which depend solely on the input kind; it would be nice 1443 // to move these to the language standard, and have the driver resolve the 1444 // input kind + language standard. 1445 if (IK == IK_Asm) { 1446 Opts.AsmPreprocessor = 1; 1447 } else if (IK == IK_ObjC || 1448 IK == IK_ObjCXX || 1449 IK == IK_PreprocessedObjC || 1450 IK == IK_PreprocessedObjCXX) { 1451 Opts.ObjC1 = Opts.ObjC2 = 1; 1452 } 1453 1454 if (LangStd == LangStandard::lang_unspecified) { 1455 // Based on the base language, pick one. 1456 switch (IK) { 1457 case IK_None: 1458 case IK_AST: 1459 case IK_LLVM_IR: 1460 assert(0 && "Invalid input kind!"); 1461 case IK_OpenCL: 1462 LangStd = LangStandard::lang_opencl; 1463 break; 1464 case IK_CUDA: 1465 LangStd = LangStandard::lang_cuda; 1466 break; 1467 case IK_Asm: 1468 case IK_C: 1469 case IK_PreprocessedC: 1470 case IK_ObjC: 1471 case IK_PreprocessedObjC: 1472 LangStd = LangStandard::lang_gnu99; 1473 break; 1474 case IK_CXX: 1475 case IK_PreprocessedCXX: 1476 case IK_ObjCXX: 1477 case IK_PreprocessedObjCXX: 1478 LangStd = LangStandard::lang_gnucxx98; 1479 break; 1480 } 1481 } 1482 1483 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1484 Opts.BCPLComment = Std.hasBCPLComments(); 1485 Opts.C99 = Std.isC99(); 1486 Opts.C1X = Std.isC1X(); 1487 Opts.CPlusPlus = Std.isCPlusPlus(); 1488 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1489 Opts.Digraphs = Std.hasDigraphs(); 1490 Opts.GNUMode = Std.isGNUMode(); 1491 Opts.GNUInline = !Std.isC99(); 1492 Opts.HexFloats = Std.hasHexFloats(); 1493 Opts.ImplicitInt = Std.hasImplicitInt(); 1494 1495 // OpenCL has some additional defaults. 1496 if (LangStd == LangStandard::lang_opencl) { 1497 Opts.OpenCL = 1; 1498 Opts.AltiVec = 1; 1499 Opts.CXXOperatorNames = 1; 1500 Opts.LaxVectorConversions = 1; 1501 Opts.DefaultFPContract = 1; 1502 } 1503 1504 if (LangStd == LangStandard::lang_cuda) 1505 Opts.CUDA = 1; 1506 1507 // OpenCL and C++ both have bool, true, false keywords. 1508 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1509 1510 Opts.GNUKeywords = Opts.GNUMode; 1511 Opts.CXXOperatorNames = Opts.CPlusPlus; 1512 1513 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1514 // is specified, or -std is set to a conforming mode. 1515 Opts.Trigraphs = !Opts.GNUMode; 1516 1517 Opts.DollarIdents = !Opts.AsmPreprocessor; 1518 } 1519 1520 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1521 Diagnostic &Diags) { 1522 // FIXME: Cleanup per-file based stuff. 1523 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1524 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1525 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1526 #define LANGSTANDARD(id, name, desc, features) \ 1527 .Case(name, LangStandard::lang_##id) 1528 #include "clang/Frontend/LangStandards.def" 1529 .Default(LangStandard::lang_unspecified); 1530 if (LangStd == LangStandard::lang_unspecified) 1531 Diags.Report(diag::err_drv_invalid_value) 1532 << A->getAsString(Args) << A->getValue(Args); 1533 else { 1534 // Valid standard, check to make sure language and standard are compatable. 1535 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1536 switch (IK) { 1537 case IK_C: 1538 case IK_ObjC: 1539 case IK_PreprocessedC: 1540 case IK_PreprocessedObjC: 1541 if (!(Std.isC89() || Std.isC99())) 1542 Diags.Report(diag::err_drv_argument_not_allowed_with) 1543 << A->getAsString(Args) << "C/ObjC"; 1544 break; 1545 case IK_CXX: 1546 case IK_ObjCXX: 1547 case IK_PreprocessedCXX: 1548 case IK_PreprocessedObjCXX: 1549 if (!Std.isCPlusPlus()) 1550 Diags.Report(diag::err_drv_argument_not_allowed_with) 1551 << A->getAsString(Args) << "C++/ObjC++"; 1552 break; 1553 case IK_OpenCL: 1554 if (!Std.isC99()) 1555 Diags.Report(diag::err_drv_argument_not_allowed_with) 1556 << A->getAsString(Args) << "OpenCL"; 1557 break; 1558 case IK_CUDA: 1559 if (!Std.isCPlusPlus()) 1560 Diags.Report(diag::err_drv_argument_not_allowed_with) 1561 << A->getAsString(Args) << "CUDA"; 1562 break; 1563 default: 1564 break; 1565 } 1566 } 1567 } 1568 1569 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1570 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1571 Diags.Report(diag::err_drv_invalid_value) 1572 << A->getAsString(Args) << A->getValue(Args); 1573 } 1574 } 1575 1576 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1577 1578 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1579 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1580 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1581 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1582 // name, as it doesn't seem a useful distinction. 1583 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1584 Opts.GNUKeywords); 1585 1586 if (Args.hasArg(OPT_fno_operator_names)) 1587 Opts.CXXOperatorNames = 0; 1588 1589 if (Opts.ObjC1) { 1590 if (Args.hasArg(OPT_fobjc_gc_only)) 1591 Opts.setGCMode(LangOptions::GCOnly); 1592 else if (Args.hasArg(OPT_fobjc_gc)) 1593 Opts.setGCMode(LangOptions::HybridGC); 1594 else if (Args.hasArg(OPT_fobjc_arc)) { 1595 Opts.ObjCAutoRefCount = 1; 1596 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1597 Diags.Report(diag::err_arc_nonfragile_abi); 1598 } 1599 1600 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1601 Opts.ObjCRuntimeHasWeak = 1; 1602 1603 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1604 Opts.ObjCInferRelatedResultType = 0; 1605 } 1606 1607 if (Args.hasArg(OPT_fgnu89_inline)) 1608 Opts.GNUInline = 1; 1609 1610 if (Args.hasArg(OPT_fapple_kext)) { 1611 if (!Opts.CPlusPlus) 1612 Diags.Report(diag::warn_c_kext); 1613 else 1614 Opts.AppleKext = 1; 1615 } 1616 1617 if (Args.hasArg(OPT_print_ivar_layout)) 1618 Opts.ObjCGCBitmapPrint = 1; 1619 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1620 Opts.NoConstantCFStrings = 1; 1621 1622 if (Args.hasArg(OPT_faltivec)) 1623 Opts.AltiVec = 1; 1624 1625 if (Args.hasArg(OPT_pthread)) 1626 Opts.POSIXThreads = 1; 1627 1628 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1629 Opts.DelayedTemplateParsing = 1; 1630 1631 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1632 if (Vis == "default") 1633 Opts.setVisibilityMode(DefaultVisibility); 1634 else if (Vis == "hidden") 1635 Opts.setVisibilityMode(HiddenVisibility); 1636 else if (Vis == "protected") 1637 Opts.setVisibilityMode(ProtectedVisibility); 1638 else 1639 Diags.Report(diag::err_drv_invalid_value) 1640 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1641 1642 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1643 Opts.InlineVisibilityHidden = 1; 1644 1645 if (Args.hasArg(OPT_ftrapv)) { 1646 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1647 // Set the handler, if one is specified. 1648 Opts.OverflowHandler = 1649 Args.getLastArgValue(OPT_ftrapv_handler); 1650 } 1651 else if (Args.hasArg(OPT_fwrapv)) 1652 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1653 1654 if (Args.hasArg(OPT_trigraphs)) 1655 Opts.Trigraphs = 1; 1656 1657 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1658 OPT_fno_dollars_in_identifiers, 1659 Opts.DollarIdents); 1660 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1661 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1662 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1663 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1664 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1665 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1666 Opts.ConstStrings); 1667 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1668 Opts.LaxVectorConversions = 0; 1669 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1670 Opts.ThreadsafeStatics = 0; 1671 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1672 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1673 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1674 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1675 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1676 1677 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1678 Opts.Blocks = Args.hasArg(OPT_fblocks); 1679 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1680 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1681 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1682 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1683 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1684 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1685 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1686 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1687 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1688 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1689 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1690 Diags); 1691 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1692 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1693 0, Diags); 1694 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1695 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1696 Opts.ObjCConstantStringClass = 1697 Args.getLastArgValue(OPT_fconstant_string_class); 1698 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1699 if (Opts.ObjCNonFragileABI) 1700 Opts.ObjCNonFragileABI2 = true; 1701 Opts.ObjCDefaultSynthProperties = 1702 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1703 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1704 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1705 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1706 Opts.Static = Args.hasArg(OPT_static_define); 1707 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1708 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1709 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1710 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1711 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1712 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1713 Opts.OptimizeSize = 0; 1714 Opts.MRTD = Args.hasArg(OPT_mrtd); 1715 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1716 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1717 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1718 1719 // Record whether the __DEPRECATED define was requested. 1720 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1721 OPT_fno_deprecated_macro, 1722 Opts.Deprecated); 1723 1724 // FIXME: Eliminate this dependency. 1725 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1726 Opts.Optimize = Opt != 0; 1727 1728 // This is the __NO_INLINE__ define, which just depends on things like the 1729 // optimization level and -fno-inline, not actually whether the backend has 1730 // inlining enabled. 1731 // 1732 // FIXME: This is affected by other options (-fno-inline). 1733 Opts.NoInline = !Opt; 1734 1735 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1736 switch (SSP) { 1737 default: 1738 Diags.Report(diag::err_drv_invalid_value) 1739 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1740 break; 1741 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1742 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1743 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1744 } 1745 } 1746 1747 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1748 FileManager &FileMgr, 1749 Diagnostic &Diags) { 1750 using namespace cc1options; 1751 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1752 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1753 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1754 Opts.TokenCache = A->getValue(Args); 1755 else 1756 Opts.TokenCache = Opts.ImplicitPTHInclude; 1757 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1758 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1759 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1760 1761 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1762 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1763 ie = Args.filtered_end(); it != ie; ++it) { 1764 const Arg *A = *it; 1765 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1766 } 1767 1768 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1769 StringRef Value(A->getValue(Args)); 1770 size_t Comma = Value.find(','); 1771 unsigned Bytes = 0; 1772 unsigned EndOfLine = 0; 1773 1774 if (Comma == StringRef::npos || 1775 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1776 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1777 Diags.Report(diag::err_drv_preamble_format); 1778 else { 1779 Opts.PrecompiledPreambleBytes.first = Bytes; 1780 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1781 } 1782 } 1783 1784 // Add macros from the command line. 1785 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1786 ie = Args.filtered_end(); it != ie; ++it) { 1787 if ((*it)->getOption().matches(OPT_D)) 1788 Opts.addMacroDef((*it)->getValue(Args)); 1789 else 1790 Opts.addMacroUndef((*it)->getValue(Args)); 1791 } 1792 1793 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1794 1795 // Add the ordered list of -includes. 1796 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1797 OPT_include_pth), 1798 ie = Args.filtered_end(); it != ie; ++it) { 1799 const Arg *A = *it; 1800 // PCH is handled specially, we need to extra the original include path. 1801 if (A->getOption().matches(OPT_include_pch)) { 1802 std::string OriginalFile = 1803 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1804 if (OriginalFile.empty()) 1805 continue; 1806 1807 Opts.Includes.push_back(OriginalFile); 1808 } else 1809 Opts.Includes.push_back(A->getValue(Args)); 1810 } 1811 1812 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1813 ie = Args.filtered_end(); it != ie; ++it) { 1814 const Arg *A = *it; 1815 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1816 } 1817 1818 for (arg_iterator it = Args.filtered_begin(OPT_import_module), 1819 ie = Args.filtered_end(); it != ie; ++it) { 1820 const Arg *A = *it; 1821 Opts.Modules.push_back(A->getValue(Args)); 1822 } 1823 1824 // Include 'altivec.h' if -faltivec option present 1825 if (Args.hasArg(OPT_faltivec)) 1826 Opts.Includes.push_back("altivec.h"); 1827 1828 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1829 ie = Args.filtered_end(); it != ie; ++it) { 1830 const Arg *A = *it; 1831 std::pair<StringRef,StringRef> Split = 1832 StringRef(A->getValue(Args)).split(';'); 1833 1834 if (Split.second.empty()) { 1835 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1836 continue; 1837 } 1838 1839 Opts.addRemappedFile(Split.first, Split.second); 1840 } 1841 1842 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1843 StringRef Name = A->getValue(Args); 1844 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1845 .Case("libc++", ARCXX_libcxx) 1846 .Case("libstdc++", ARCXX_libstdcxx) 1847 .Case("none", ARCXX_nolib) 1848 .Default(~0U); 1849 if (Library == ~0U) 1850 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1851 else 1852 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1853 } 1854 } 1855 1856 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1857 ArgList &Args) { 1858 using namespace cc1options; 1859 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1860 Opts.ShowComments = Args.hasArg(OPT_C); 1861 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1862 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1863 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1864 } 1865 1866 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1867 using namespace cc1options; 1868 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1869 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1870 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1871 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1872 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1873 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1874 1875 // Use the host triple if unspecified. 1876 if (Opts.Triple.empty()) 1877 Opts.Triple = llvm::sys::getHostTriple(); 1878 } 1879 1880 // 1881 1882 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1883 const char *const *ArgBegin, 1884 const char *const *ArgEnd, 1885 Diagnostic &Diags) { 1886 // Parse the arguments. 1887 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1888 unsigned MissingArgIndex, MissingArgCount; 1889 llvm::OwningPtr<InputArgList> Args( 1890 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1891 1892 // Check for missing argument error. 1893 if (MissingArgCount) 1894 Diags.Report(diag::err_drv_missing_argument) 1895 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1896 1897 // Issue errors on unknown arguments. 1898 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1899 ie = Args->filtered_end(); it != ie; ++it) 1900 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1901 1902 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1903 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1904 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1905 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1906 // FIXME: We shouldn't have to pass the DashX option around here 1907 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1908 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1909 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1910 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1911 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1912 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1913 Res.getLangOpts().ObjCExceptions = 1; 1914 } 1915 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1916 // PCH file and find the original header name. Remove the need to do that in 1917 // ParsePreprocessorArgs and remove the FileManager 1918 // parameters from the function and the "FileManager.h" #include. 1919 FileManager FileMgr(Res.getFileSystemOpts()); 1920 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1921 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1922 ParseTargetArgs(Res.getTargetOpts(), *Args); 1923 } 1924