1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 //===----------------------------------------------------------------------===// 64 // Serialization (to args) 65 //===----------------------------------------------------------------------===// 66 67 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 68 std::vector<std::string> &Res) { 69 if (Opts.ShowCheckerHelp) 70 Res.push_back("-analyzer-checker-help"); 71 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 72 Res.push_back("-analyzer-store"); 73 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 74 } 75 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 76 Res.push_back("-analyzer-constraints"); 77 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 78 } 79 if (Opts.AnalysisDiagOpt != PD_HTML) { 80 Res.push_back("-analyzer-output"); 81 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 82 } 83 if (!Opts.AnalyzeSpecificFunction.empty()) { 84 Res.push_back("-analyze-function"); 85 Res.push_back(Opts.AnalyzeSpecificFunction); 86 } 87 if (Opts.AnalyzeAll) 88 Res.push_back("-analyzer-opt-analyze-headers"); 89 if (Opts.AnalyzerDisplayProgress) 90 Res.push_back("-analyzer-display-progress"); 91 if (Opts.AnalyzeNestedBlocks) 92 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 93 if (Opts.EagerlyAssume) 94 Res.push_back("-analyzer-eagerly-assume"); 95 if (!Opts.PurgeDead) 96 Res.push_back("-analyzer-no-purge-dead"); 97 if (Opts.TrimGraph) 98 Res.push_back("-trim-egraph"); 99 if (Opts.VisualizeEGDot) 100 Res.push_back("-analyzer-viz-egraph-graphviz"); 101 if (Opts.VisualizeEGUbi) 102 Res.push_back("-analyzer-viz-egraph-ubigraph"); 103 104 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 105 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 106 if (opt.second) 107 Res.push_back("-analyzer-disable-checker"); 108 else 109 Res.push_back("-analyzer-checker"); 110 Res.push_back(opt.first); 111 } 112 } 113 114 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 115 std::vector<std::string> &Res) { 116 if (Opts.DebugInfo) 117 Res.push_back("-g"); 118 if (Opts.DisableLLVMOpts) 119 Res.push_back("-disable-llvm-optzns"); 120 if (Opts.DisableRedZone) 121 Res.push_back("-disable-red-zone"); 122 if (!Opts.DwarfDebugFlags.empty()) { 123 Res.push_back("-dwarf-debug-flags"); 124 Res.push_back(Opts.DwarfDebugFlags); 125 } 126 if (Opts.EmitGcovArcs) 127 Res.push_back("-femit-coverage-data"); 128 if (Opts.EmitGcovNotes) 129 Res.push_back("-femit-coverage-notes"); 130 if (!Opts.MergeAllConstants) 131 Res.push_back("-fno-merge-all-constants"); 132 if (Opts.NoCommon) 133 Res.push_back("-fno-common"); 134 if (Opts.ForbidGuardVariables) 135 Res.push_back("-fforbid-guard-variables"); 136 if (Opts.NoImplicitFloat) 137 Res.push_back("-no-implicit-float"); 138 if (Opts.OmitLeafFramePointer) 139 Res.push_back("-momit-leaf-frame-pointer"); 140 if (Opts.OptimizeSize) { 141 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 142 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 143 } else if (Opts.OptimizationLevel != 0) 144 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 145 if (!Opts.MainFileName.empty()) { 146 Res.push_back("-main-file-name"); 147 Res.push_back(Opts.MainFileName); 148 } 149 // SimplifyLibCalls is only derived. 150 // TimePasses is only derived. 151 // UnitAtATime is unused. 152 // Inlining is only derived. 153 154 // UnrollLoops is derived, but also accepts an option, no 155 // harm in pushing it back here. 156 if (Opts.UnrollLoops) 157 Res.push_back("-funroll-loops"); 158 if (Opts.DataSections) 159 Res.push_back("-fdata-sections"); 160 if (Opts.FunctionSections) 161 Res.push_back("-ffunction-sections"); 162 if (Opts.AsmVerbose) 163 Res.push_back("-masm-verbose"); 164 if (!Opts.CodeModel.empty()) { 165 Res.push_back("-mcode-model"); 166 Res.push_back(Opts.CodeModel); 167 } 168 if (!Opts.CXAAtExit) 169 Res.push_back("-fno-use-cxa-atexit"); 170 if (Opts.CXXCtorDtorAliases) 171 Res.push_back("-mconstructor-aliases"); 172 if (!Opts.DebugPass.empty()) { 173 Res.push_back("-mdebug-pass"); 174 Res.push_back(Opts.DebugPass); 175 } 176 if (Opts.DisableFPElim) 177 Res.push_back("-mdisable-fp-elim"); 178 if (!Opts.FloatABI.empty()) { 179 Res.push_back("-mfloat-abi"); 180 Res.push_back(Opts.FloatABI); 181 } 182 if (!Opts.LimitFloatPrecision.empty()) { 183 Res.push_back("-mlimit-float-precision"); 184 Res.push_back(Opts.LimitFloatPrecision); 185 } 186 if (Opts.NoZeroInitializedInBSS) 187 Res.push_back("-mno-zero-initialized-bss"); 188 switch (Opts.getObjCDispatchMethod()) { 189 case CodeGenOptions::Legacy: 190 break; 191 case CodeGenOptions::Mixed: 192 Res.push_back("-fobjc-dispatch-method=mixed"); 193 break; 194 case CodeGenOptions::NonLegacy: 195 Res.push_back("-fobjc-dispatch-method=non-legacy"); 196 break; 197 } 198 if (Opts.NumRegisterParameters) { 199 Res.push_back("-mregparm"); 200 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 201 } 202 if (Opts.RelaxAll) 203 Res.push_back("-mrelax-all"); 204 if (Opts.SaveTempLabels) 205 Res.push_back("-msave-temp-labels"); 206 if (Opts.NoDwarf2CFIAsm) 207 Res.push_back("-fno-dwarf2-cfi-asm"); 208 if (Opts.SoftFloat) 209 Res.push_back("-msoft-float"); 210 if (Opts.UnwindTables) 211 Res.push_back("-munwind-tables"); 212 if (Opts.RelocationModel != "pic") { 213 Res.push_back("-mrelocation-model"); 214 Res.push_back(Opts.RelocationModel); 215 } 216 if (!Opts.VerifyModule) 217 Res.push_back("-disable-llvm-verifier"); 218 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 219 Res.push_back("-backend-option"); 220 Res.push_back(Opts.BackendOptions[i]); 221 } 222 } 223 224 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 225 std::vector<std::string> &Res) { 226 if (Opts.IncludeSystemHeaders) 227 Res.push_back("-sys-header-deps"); 228 if (Opts.ShowHeaderIncludes) 229 Res.push_back("-H"); 230 if (!Opts.HeaderIncludeOutputFile.empty()) { 231 Res.push_back("-header-include-file"); 232 Res.push_back(Opts.HeaderIncludeOutputFile); 233 } 234 if (Opts.UsePhonyTargets) 235 Res.push_back("-MP"); 236 if (!Opts.OutputFile.empty()) { 237 Res.push_back("-dependency-file"); 238 Res.push_back(Opts.OutputFile); 239 } 240 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 241 Res.push_back("-MT"); 242 Res.push_back(Opts.Targets[i]); 243 } 244 } 245 246 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 247 std::vector<std::string> &Res) { 248 if (Opts.IgnoreWarnings) 249 Res.push_back("-w"); 250 if (Opts.NoRewriteMacros) 251 Res.push_back("-Wno-rewrite-macros"); 252 if (Opts.Pedantic) 253 Res.push_back("-pedantic"); 254 if (Opts.PedanticErrors) 255 Res.push_back("-pedantic-errors"); 256 if (!Opts.ShowColumn) 257 Res.push_back("-fno-show-column"); 258 if (!Opts.ShowLocation) 259 Res.push_back("-fno-show-source-location"); 260 if (!Opts.ShowCarets) 261 Res.push_back("-fno-caret-diagnostics"); 262 if (!Opts.ShowFixits) 263 Res.push_back("-fno-diagnostics-fixit-info"); 264 if (Opts.ShowSourceRanges) 265 Res.push_back("-fdiagnostics-print-source-range-info"); 266 if (Opts.ShowParseableFixits) 267 Res.push_back("-fdiagnostics-parseable-fixits"); 268 if (Opts.ShowColors) 269 Res.push_back("-fcolor-diagnostics"); 270 if (Opts.VerifyDiagnostics) 271 Res.push_back("-verify"); 272 if (Opts.ShowNames) 273 Res.push_back("-fdiagnostics-show-name"); 274 if (Opts.ShowOptionNames) 275 Res.push_back("-fdiagnostics-show-option"); 276 if (Opts.ShowCategories == 1) 277 Res.push_back("-fdiagnostics-show-category=id"); 278 else if (Opts.ShowCategories == 2) 279 Res.push_back("-fdiagnostics-show-category=name"); 280 switch (Opts.Format) { 281 case DiagnosticOptions::Clang: 282 Res.push_back("-fdiagnostics-format=clang"); break; 283 case DiagnosticOptions::Msvc: 284 Res.push_back("-fdiagnostics-format=msvc"); break; 285 case DiagnosticOptions::Vi: 286 Res.push_back("-fdiagnostics-format=vi"); break; 287 } 288 if (Opts.ErrorLimit) { 289 Res.push_back("-ferror-limit"); 290 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 291 } 292 if (!Opts.DiagnosticLogFile.empty()) { 293 Res.push_back("-diagnostic-log-file"); 294 Res.push_back(Opts.DiagnosticLogFile); 295 } 296 if (Opts.MacroBacktraceLimit 297 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 298 Res.push_back("-fmacro-backtrace-limit"); 299 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 300 } 301 if (Opts.TemplateBacktraceLimit 302 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 303 Res.push_back("-ftemplate-backtrace-limit"); 304 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 305 } 306 307 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 308 Res.push_back("-ftabstop"); 309 Res.push_back(llvm::utostr(Opts.TabStop)); 310 } 311 if (Opts.MessageLength) { 312 Res.push_back("-fmessage-length"); 313 Res.push_back(llvm::utostr(Opts.MessageLength)); 314 } 315 if (!Opts.DumpBuildInformation.empty()) { 316 Res.push_back("-dump-build-information"); 317 Res.push_back(Opts.DumpBuildInformation); 318 } 319 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 320 Res.push_back("-W" + Opts.Warnings[i]); 321 } 322 323 static const char *getInputKindName(InputKind Kind) { 324 switch (Kind) { 325 case IK_None: break; 326 case IK_AST: return "ast"; 327 case IK_Asm: return "assembler-with-cpp"; 328 case IK_C: return "c"; 329 case IK_CXX: return "c++"; 330 case IK_LLVM_IR: return "ir"; 331 case IK_ObjC: return "objective-c"; 332 case IK_ObjCXX: return "objective-c++"; 333 case IK_OpenCL: return "cl"; 334 case IK_CUDA: return "cuda"; 335 case IK_PreprocessedC: return "cpp-output"; 336 case IK_PreprocessedCXX: return "c++-cpp-output"; 337 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 338 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 339 } 340 341 llvm_unreachable("Unexpected language kind!"); 342 return 0; 343 } 344 345 static const char *getActionName(frontend::ActionKind Kind) { 346 switch (Kind) { 347 case frontend::PluginAction: 348 llvm_unreachable("Invalid kind!"); 349 350 case frontend::ASTDump: return "-ast-dump"; 351 case frontend::ASTDumpXML: return "-ast-dump-xml"; 352 case frontend::ASTPrint: return "-ast-print"; 353 case frontend::ASTView: return "-ast-view"; 354 case frontend::BoostCon: return "-boostcon"; 355 case frontend::CreateModule: return "-create-module"; 356 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 357 case frontend::DumpTokens: return "-dump-tokens"; 358 case frontend::EmitAssembly: return "-S"; 359 case frontend::EmitBC: return "-emit-llvm-bc"; 360 case frontend::EmitHTML: return "-emit-html"; 361 case frontend::EmitLLVM: return "-emit-llvm"; 362 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 363 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 364 case frontend::EmitObj: return "-emit-obj"; 365 case frontend::FixIt: return "-fixit"; 366 case frontend::GeneratePCH: return "-emit-pch"; 367 case frontend::GeneratePTH: return "-emit-pth"; 368 case frontend::InitOnly: return "-init-only"; 369 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 370 case frontend::PrintDeclContext: return "-print-decl-contexts"; 371 case frontend::PrintPreamble: return "-print-preamble"; 372 case frontend::PrintPreprocessedInput: return "-E"; 373 case frontend::RewriteMacros: return "-rewrite-macros"; 374 case frontend::RewriteObjC: return "-rewrite-objc"; 375 case frontend::RewriteTest: return "-rewrite-test"; 376 case frontend::RunAnalysis: return "-analyze"; 377 case frontend::RunPreprocessorOnly: return "-Eonly"; 378 } 379 380 llvm_unreachable("Unexpected language kind!"); 381 return 0; 382 } 383 384 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 385 std::vector<std::string> &Res) { 386 if (!Opts.WorkingDir.empty()) { 387 Res.push_back("-working-directory"); 388 Res.push_back(Opts.WorkingDir); 389 } 390 } 391 392 static void FrontendOptsToArgs(const FrontendOptions &Opts, 393 std::vector<std::string> &Res) { 394 if (Opts.DisableFree) 395 Res.push_back("-disable-free"); 396 if (Opts.RelocatablePCH) 397 Res.push_back("-relocatable-pch"); 398 if (Opts.ChainedPCH) 399 Res.push_back("-chained-pch"); 400 if (Opts.ShowHelp) 401 Res.push_back("-help"); 402 if (Opts.ShowMacrosInCodeCompletion) 403 Res.push_back("-code-completion-macros"); 404 if (Opts.ShowCodePatternsInCodeCompletion) 405 Res.push_back("-code-completion-patterns"); 406 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 407 Res.push_back("-no-code-completion-globals"); 408 if (Opts.ShowStats) 409 Res.push_back("-print-stats"); 410 if (Opts.ShowTimers) 411 Res.push_back("-ftime-report"); 412 if (Opts.ShowVersion) 413 Res.push_back("-version"); 414 if (Opts.FixWhatYouCan) 415 Res.push_back("-fix-what-you-can"); 416 417 bool NeedLang = false; 418 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 419 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 420 Opts.Inputs[i].first) 421 NeedLang = true; 422 if (NeedLang) { 423 Res.push_back("-x"); 424 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 425 } 426 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 427 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 428 "Unable to represent this input vector!"); 429 Res.push_back(Opts.Inputs[i].second); 430 } 431 432 if (!Opts.OutputFile.empty()) { 433 Res.push_back("-o"); 434 Res.push_back(Opts.OutputFile); 435 } 436 if (!Opts.CodeCompletionAt.FileName.empty()) { 437 Res.push_back("-code-completion-at"); 438 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 439 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 440 llvm::utostr(Opts.CodeCompletionAt.Column)); 441 } 442 if (Opts.ProgramAction != frontend::PluginAction) 443 Res.push_back(getActionName(Opts.ProgramAction)); 444 if (!Opts.ActionName.empty()) { 445 Res.push_back("-plugin"); 446 Res.push_back(Opts.ActionName); 447 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 448 Res.push_back("-plugin-arg-" + Opts.ActionName); 449 Res.push_back(Opts.PluginArgs[i]); 450 } 451 } 452 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 453 Res.push_back("-load"); 454 Res.push_back(Opts.Plugins[i]); 455 } 456 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 457 Res.push_back("-add-plugin"); 458 Res.push_back(Opts.AddPluginActions[i]); 459 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 460 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 461 Res.push_back(Opts.AddPluginArgs[i][ai]); 462 } 463 } 464 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 465 Res.push_back("-ast-merge"); 466 Res.push_back(Opts.ASTMergeFiles[i]); 467 } 468 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 469 Res.push_back("-import-module"); 470 Res.push_back(Opts.Modules[i]); 471 } 472 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 473 Res.push_back("-mllvm"); 474 Res.push_back(Opts.LLVMArgs[i]); 475 } 476 } 477 478 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 479 std::vector<std::string> &Res) { 480 if (Opts.Sysroot != "/") { 481 Res.push_back("-isysroot"); 482 Res.push_back(Opts.Sysroot); 483 } 484 485 /// User specified include entries. 486 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 487 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 488 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 489 llvm::report_fatal_error("Invalid option set!"); 490 if (E.IsUserSupplied) { 491 if (E.Group == frontend::After) { 492 Res.push_back("-idirafter"); 493 } else if (E.Group == frontend::Quoted) { 494 Res.push_back("-iquote"); 495 } else if (E.Group == frontend::System) { 496 Res.push_back("-isystem"); 497 } else if (E.Group == frontend::CXXSystem) { 498 Res.push_back("-cxx-isystem"); 499 } else { 500 assert(E.Group == frontend::Angled && "Invalid group!"); 501 Res.push_back(E.IsFramework ? "-F" : "-I"); 502 } 503 } else { 504 if (E.Group != frontend::Angled && E.Group != frontend::System) 505 llvm::report_fatal_error("Invalid option set!"); 506 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 507 "-iwithprefix"); 508 } 509 Res.push_back(E.Path); 510 } 511 512 if (!Opts.EnvIncPath.empty()) { 513 // FIXME: Provide an option for this, and move env detection to driver. 514 llvm::report_fatal_error("Not yet implemented!"); 515 } 516 if (!Opts.CEnvIncPath.empty()) { 517 // FIXME: Provide an option for this, and move env detection to driver. 518 llvm::report_fatal_error("Not yet implemented!"); 519 } 520 if (!Opts.ObjCEnvIncPath.empty()) { 521 // FIXME: Provide an option for this, and move env detection to driver. 522 llvm::report_fatal_error("Not yet implemented!"); 523 } 524 if (!Opts.CXXEnvIncPath.empty()) { 525 // FIXME: Provide an option for this, and move env detection to driver. 526 llvm::report_fatal_error("Not yet implemented!"); 527 } 528 if (!Opts.ObjCXXEnvIncPath.empty()) { 529 // FIXME: Provide an option for this, and move env detection to driver. 530 llvm::report_fatal_error("Not yet implemented!"); 531 } 532 if (!Opts.ResourceDir.empty()) { 533 Res.push_back("-resource-dir"); 534 Res.push_back(Opts.ResourceDir); 535 } 536 if (!Opts.UseStandardIncludes) 537 Res.push_back("-nostdinc"); 538 if (!Opts.UseStandardCXXIncludes) 539 Res.push_back("-nostdinc++"); 540 if (Opts.Verbose) 541 Res.push_back("-v"); 542 } 543 544 static void LangOptsToArgs(const LangOptions &Opts, 545 std::vector<std::string> &Res) { 546 LangOptions DefaultLangOpts; 547 548 // FIXME: Need to set -std to get all the implicit options. 549 550 // FIXME: We want to only pass options relative to the defaults, which 551 // requires constructing a target. :( 552 // 553 // It would be better to push the all target specific choices into the driver, 554 // so that everything below that was more uniform. 555 556 if (Opts.Trigraphs) 557 Res.push_back("-trigraphs"); 558 // Implicit based on the input kind: 559 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 560 // Implicit based on the input language standard: 561 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 562 if (Opts.DollarIdents) 563 Res.push_back("-fdollars-in-identifiers"); 564 if (Opts.GNUMode && !Opts.GNUKeywords) 565 Res.push_back("-fno-gnu-keywords"); 566 if (!Opts.GNUMode && Opts.GNUKeywords) 567 Res.push_back("-fgnu-keywords"); 568 if (Opts.Microsoft) 569 Res.push_back("-fms-extensions"); 570 if (Opts.MSCVersion != 0) 571 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 572 if (Opts.Borland) 573 Res.push_back("-fborland-extensions"); 574 if (Opts.ObjCNonFragileABI) 575 Res.push_back("-fobjc-nonfragile-abi"); 576 if (Opts.ObjCNonFragileABI2) 577 Res.push_back("-fobjc-nonfragile-abi"); 578 if (Opts.ObjCDefaultSynthProperties) 579 Res.push_back("-fobjc-default-synthesize-properties"); 580 // NoInline is implicit. 581 if (!Opts.CXXOperatorNames) 582 Res.push_back("-fno-operator-names"); 583 if (Opts.PascalStrings) 584 Res.push_back("-fpascal-strings"); 585 if (Opts.CatchUndefined) 586 Res.push_back("-fcatch-undefined-behavior"); 587 if (Opts.WritableStrings) 588 Res.push_back("-fwritable-strings"); 589 if (Opts.ConstStrings) 590 Res.push_back("-fconst-strings"); 591 if (!Opts.LaxVectorConversions) 592 Res.push_back("-fno-lax-vector-conversions"); 593 if (Opts.AltiVec) 594 Res.push_back("-faltivec"); 595 if (Opts.Exceptions) 596 Res.push_back("-fexceptions"); 597 if (Opts.ObjCExceptions) 598 Res.push_back("-fobjc-exceptions"); 599 if (Opts.CXXExceptions) 600 Res.push_back("-fcxx-exceptions"); 601 if (Opts.SjLjExceptions) 602 Res.push_back("-fsjlj-exceptions"); 603 if (Opts.TraditionalCPP) 604 Res.push_back("-traditional-cpp"); 605 if (!Opts.RTTI) 606 Res.push_back("-fno-rtti"); 607 if (Opts.MSBitfields) 608 Res.push_back("-mms-bitfields"); 609 if (!Opts.NeXTRuntime) 610 Res.push_back("-fgnu-runtime"); 611 if (Opts.Freestanding) 612 Res.push_back("-ffreestanding"); 613 if (Opts.FormatExtensions) 614 Res.push_back("-fformat-extensions"); 615 if (Opts.NoBuiltin) 616 Res.push_back("-fno-builtin"); 617 if (!Opts.AssumeSaneOperatorNew) 618 Res.push_back("-fno-assume-sane-operator-new"); 619 if (!Opts.ThreadsafeStatics) 620 Res.push_back("-fno-threadsafe-statics"); 621 if (Opts.POSIXThreads) 622 Res.push_back("-pthread"); 623 if (Opts.Blocks) 624 Res.push_back("-fblocks"); 625 if (Opts.EmitAllDecls) 626 Res.push_back("-femit-all-decls"); 627 if (Opts.MathErrno) 628 Res.push_back("-fmath-errno"); 629 switch (Opts.getSignedOverflowBehavior()) { 630 case LangOptions::SOB_Undefined: break; 631 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 632 case LangOptions::SOB_Trapping: 633 Res.push_back("-ftrapv"); break; 634 if (!Opts.OverflowHandler.empty()) { 635 Res.push_back("-ftrapv-handler"); 636 Res.push_back(Opts.OverflowHandler); 637 } 638 } 639 if (Opts.HeinousExtensions) 640 Res.push_back("-fheinous-gnu-extensions"); 641 // Optimize is implicit. 642 // OptimizeSize is implicit. 643 if (Opts.Static) 644 Res.push_back("-static-define"); 645 if (Opts.DumpRecordLayouts) 646 Res.push_back("-fdump-record-layouts"); 647 if (Opts.DumpVTableLayouts) 648 Res.push_back("-fdump-vtable-layouts"); 649 if (Opts.NoBitFieldTypeAlign) 650 Res.push_back("-fno-bitfield-type-alignment"); 651 if (Opts.PICLevel) { 652 Res.push_back("-pic-level"); 653 Res.push_back(llvm::utostr(Opts.PICLevel)); 654 } 655 if (Opts.ObjCGCBitmapPrint) 656 Res.push_back("-print-ivar-layout"); 657 if (Opts.NoConstantCFStrings) 658 Res.push_back("-fno-constant-cfstrings"); 659 if (!Opts.AccessControl) 660 Res.push_back("-fno-access-control"); 661 if (!Opts.CharIsSigned) 662 Res.push_back("-fno-signed-char"); 663 if (Opts.ShortWChar) 664 Res.push_back("-fshort-wchar"); 665 if (!Opts.ElideConstructors) 666 Res.push_back("-fno-elide-constructors"); 667 if (Opts.getGCMode() != LangOptions::NonGC) { 668 if (Opts.getGCMode() == LangOptions::HybridGC) { 669 Res.push_back("-fobjc-gc"); 670 } else { 671 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 672 Res.push_back("-fobjc-gc-only"); 673 } 674 } 675 if (Opts.ObjCInferRelatedResultType) 676 Res.push_back("-fobjc-infer-related-result-type"); 677 678 if (Opts.AppleKext) 679 Res.push_back("-fapple-kext"); 680 681 if (Opts.getVisibilityMode() != DefaultVisibility) { 682 Res.push_back("-fvisibility"); 683 if (Opts.getVisibilityMode() == HiddenVisibility) { 684 Res.push_back("hidden"); 685 } else { 686 assert(Opts.getVisibilityMode() == ProtectedVisibility && 687 "Invalid visibility!"); 688 Res.push_back("protected"); 689 } 690 } 691 if (Opts.InlineVisibilityHidden) 692 Res.push_back("-fvisibility-inlines-hidden"); 693 694 if (Opts.getStackProtectorMode() != 0) { 695 Res.push_back("-stack-protector"); 696 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 697 } 698 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 699 Res.push_back("-ftemplate-depth"); 700 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 701 } 702 if (!Opts.ObjCConstantStringClass.empty()) { 703 Res.push_back("-fconstant-string-class"); 704 Res.push_back(Opts.ObjCConstantStringClass); 705 } 706 if (Opts.FakeAddressSpaceMap) 707 Res.push_back("-ffake-address-space-map"); 708 if (Opts.ParseUnknownAnytype) 709 Res.push_back("-funknown-anytype"); 710 if (Opts.DelayedTemplateParsing) 711 Res.push_back("-fdelayed-template-parsing"); 712 if (Opts.Deprecated) 713 Res.push_back("-fdeprecated-macro"); 714 } 715 716 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 717 std::vector<std::string> &Res) { 718 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 719 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 720 Opts.Macros[i].first); 721 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 722 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 723 Res.push_back("-include"); 724 Res.push_back(Opts.Includes[i]); 725 } 726 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 727 Res.push_back("-imacros"); 728 Res.push_back(Opts.MacroIncludes[i]); 729 } 730 if (!Opts.UsePredefines) 731 Res.push_back("-undef"); 732 if (Opts.DetailedRecord) 733 Res.push_back("-detailed-preprocessing-record"); 734 if (!Opts.ImplicitPCHInclude.empty()) { 735 Res.push_back("-include-pch"); 736 Res.push_back(Opts.ImplicitPCHInclude); 737 } 738 if (!Opts.ImplicitPTHInclude.empty()) { 739 Res.push_back("-include-pth"); 740 Res.push_back(Opts.ImplicitPTHInclude); 741 } 742 if (!Opts.TokenCache.empty()) { 743 if (Opts.ImplicitPTHInclude.empty()) { 744 Res.push_back("-token-cache"); 745 Res.push_back(Opts.TokenCache); 746 } else 747 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 748 "Unsupported option combination!"); 749 } 750 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 751 Res.push_back("-chain-include"); 752 Res.push_back(Opts.ChainedIncludes[i]); 753 } 754 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 755 Res.push_back("-remap-file"); 756 Res.push_back(Opts.RemappedFiles[i].first + ";" + 757 Opts.RemappedFiles[i].second); 758 } 759 } 760 761 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 762 std::vector<std::string> &Res) { 763 if (!Opts.ShowCPP && !Opts.ShowMacros) 764 llvm::report_fatal_error("Invalid option combination!"); 765 766 if (Opts.ShowCPP && Opts.ShowMacros) 767 Res.push_back("-dD"); 768 else if (!Opts.ShowCPP && Opts.ShowMacros) 769 Res.push_back("-dM"); 770 771 if (!Opts.ShowLineMarkers) 772 Res.push_back("-P"); 773 if (Opts.ShowComments) 774 Res.push_back("-C"); 775 if (Opts.ShowMacroComments) 776 Res.push_back("-CC"); 777 } 778 779 static void TargetOptsToArgs(const TargetOptions &Opts, 780 std::vector<std::string> &Res) { 781 Res.push_back("-triple"); 782 Res.push_back(Opts.Triple); 783 if (!Opts.CPU.empty()) { 784 Res.push_back("-target-cpu"); 785 Res.push_back(Opts.CPU); 786 } 787 if (!Opts.ABI.empty()) { 788 Res.push_back("-target-abi"); 789 Res.push_back(Opts.ABI); 790 } 791 if (!Opts.LinkerVersion.empty()) { 792 Res.push_back("-target-linker-version"); 793 Res.push_back(Opts.LinkerVersion); 794 } 795 if (!Opts.CXXABI.empty()) { 796 Res.push_back("-cxx-abi"); 797 Res.push_back(Opts.CXXABI); 798 } 799 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 800 Res.push_back("-target-feature"); 801 Res.push_back(Opts.Features[i]); 802 } 803 } 804 805 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 806 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 807 CodeGenOptsToArgs(getCodeGenOpts(), Res); 808 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 809 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 810 FileSystemOptsToArgs(getFileSystemOpts(), Res); 811 FrontendOptsToArgs(getFrontendOpts(), Res); 812 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 813 LangOptsToArgs(getLangOpts(), Res); 814 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 815 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 816 TargetOptsToArgs(getTargetOpts(), Res); 817 } 818 819 //===----------------------------------------------------------------------===// 820 // Deserialization (to args) 821 //===----------------------------------------------------------------------===// 822 823 using namespace clang::driver; 824 using namespace clang::driver::cc1options; 825 826 // 827 828 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 829 Diagnostic &Diags) { 830 unsigned DefaultOpt = 0; 831 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 832 DefaultOpt = 2; 833 // -Os/-Oz implies -O2 834 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 835 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 836 } 837 838 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 839 Diagnostic &Diags) { 840 using namespace cc1options; 841 842 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 843 llvm::StringRef Name = A->getValue(Args); 844 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 845 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 846 .Case(CMDFLAG, NAME##Model) 847 #include "clang/Frontend/Analyses.def" 848 .Default(NumStores); 849 // FIXME: Error handling. 850 if (Value == NumStores) 851 Diags.Report(diag::err_drv_invalid_value) 852 << A->getAsString(Args) << Name; 853 else 854 Opts.AnalysisStoreOpt = Value; 855 } 856 857 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 858 llvm::StringRef Name = A->getValue(Args); 859 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 860 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 861 .Case(CMDFLAG, NAME##Model) 862 #include "clang/Frontend/Analyses.def" 863 .Default(NumConstraints); 864 // FIXME: Error handling. 865 if (Value == NumConstraints) 866 Diags.Report(diag::err_drv_invalid_value) 867 << A->getAsString(Args) << Name; 868 else 869 Opts.AnalysisConstraintsOpt = Value; 870 } 871 872 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 873 llvm::StringRef Name = A->getValue(Args); 874 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 875 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 876 .Case(CMDFLAG, PD_##NAME) 877 #include "clang/Frontend/Analyses.def" 878 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 879 // FIXME: Error handling. 880 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 881 Diags.Report(diag::err_drv_invalid_value) 882 << A->getAsString(Args) << Name; 883 else 884 Opts.AnalysisDiagOpt = Value; 885 } 886 887 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 888 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 889 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 890 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 891 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 892 Opts.AnalyzeNestedBlocks = 893 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 894 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 895 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 896 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 897 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 898 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 899 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 900 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 901 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 902 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 903 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 904 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 905 906 Opts.CheckersControlList.clear(); 907 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 908 OPT_analyzer_disable_checker), 909 ie = Args.filtered_end(); it != ie; ++it) { 910 const Arg *A = *it; 911 A->claim(); 912 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 913 // We can have a list of comma separated checker names, e.g: 914 // '-analyzer-checker=cocoa,unix' 915 llvm::StringRef checkerList = A->getValue(Args); 916 llvm::SmallVector<llvm::StringRef, 4> checkers; 917 checkerList.split(checkers, ","); 918 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 919 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 920 } 921 } 922 923 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 924 Diagnostic &Diags) { 925 using namespace cc1options; 926 927 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 928 if (Opts.OptimizationLevel > 3) { 929 Diags.Report(diag::err_drv_invalid_value) 930 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 931 Opts.OptimizationLevel = 3; 932 } 933 934 // We must always run at least the always inlining pass. 935 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 936 : CodeGenOptions::OnlyAlwaysInlining; 937 938 Opts.DebugInfo = Args.hasArg(OPT_g); 939 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 940 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 941 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 942 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 943 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 944 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 945 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 946 Opts.NoCommon = Args.hasArg(OPT_fno_common); 947 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 948 Opts.OptimizeSize = Args.hasArg(OPT_Os); 949 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 950 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 951 Args.hasArg(OPT_ffreestanding)); 952 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 953 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 954 955 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 956 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 957 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 958 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 959 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 960 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 961 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 962 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 963 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 964 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 965 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 966 Args.hasArg(OPT_cl_fast_relaxed_math); 967 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 968 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 969 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 970 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 971 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 972 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 973 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 974 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 975 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 976 Args.hasArg(OPT_cl_fast_relaxed_math); 977 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 978 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 979 980 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 981 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 982 983 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 984 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 985 986 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 987 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 988 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 989 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 990 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 991 992 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 993 llvm::StringRef Name = A->getValue(Args); 994 unsigned Method = llvm::StringSwitch<unsigned>(Name) 995 .Case("legacy", CodeGenOptions::Legacy) 996 .Case("non-legacy", CodeGenOptions::NonLegacy) 997 .Case("mixed", CodeGenOptions::Mixed) 998 .Default(~0U); 999 if (Method == ~0U) 1000 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1001 else 1002 Opts.ObjCDispatchMethod = Method; 1003 } 1004 } 1005 1006 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1007 ArgList &Args) { 1008 using namespace cc1options; 1009 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1010 Opts.Targets = Args.getAllArgValues(OPT_MT); 1011 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1012 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1013 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1014 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1015 } 1016 1017 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1018 Diagnostic &Diags) { 1019 using namespace cc1options; 1020 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1021 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1022 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1023 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1024 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1025 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1026 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1027 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1028 OPT_fno_show_column, 1029 /*Default=*/true); 1030 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1031 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1032 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1033 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1034 1035 // Default behavior is to not to show note include stacks. 1036 Opts.ShowNoteIncludeStack = false; 1037 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1038 OPT_fno_diagnostics_show_note_include_stack)) 1039 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1040 Opts.ShowNoteIncludeStack = true; 1041 1042 llvm::StringRef ShowOverloads = 1043 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1044 if (ShowOverloads == "best") 1045 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1046 else if (ShowOverloads == "all") 1047 Opts.ShowOverloads = Diagnostic::Ovl_All; 1048 else 1049 Diags.Report(diag::err_drv_invalid_value) 1050 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1051 << ShowOverloads; 1052 1053 llvm::StringRef ShowCategory = 1054 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1055 if (ShowCategory == "none") 1056 Opts.ShowCategories = 0; 1057 else if (ShowCategory == "id") 1058 Opts.ShowCategories = 1; 1059 else if (ShowCategory == "name") 1060 Opts.ShowCategories = 2; 1061 else 1062 Diags.Report(diag::err_drv_invalid_value) 1063 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1064 << ShowCategory; 1065 1066 llvm::StringRef Format = 1067 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1068 if (Format == "clang") 1069 Opts.Format = DiagnosticOptions::Clang; 1070 else if (Format == "msvc") 1071 Opts.Format = DiagnosticOptions::Msvc; 1072 else if (Format == "vi") 1073 Opts.Format = DiagnosticOptions::Vi; 1074 else 1075 Diags.Report(diag::err_drv_invalid_value) 1076 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1077 << Format; 1078 1079 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1080 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1081 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1082 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1083 Opts.MacroBacktraceLimit 1084 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1085 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1086 Opts.TemplateBacktraceLimit 1087 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1088 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1089 Diags); 1090 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1091 DiagnosticOptions::DefaultTabStop, Diags); 1092 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1093 Diags.Report(diag::warn_ignoring_ftabstop_value) 1094 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1095 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1096 } 1097 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1098 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1099 Opts.Warnings = Args.getAllArgValues(OPT_W); 1100 } 1101 1102 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1103 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1104 } 1105 1106 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1107 Diagnostic &Diags) { 1108 using namespace cc1options; 1109 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1110 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1111 switch (A->getOption().getID()) { 1112 default: 1113 assert(0 && "Invalid option in group!"); 1114 case OPT_ast_dump: 1115 Opts.ProgramAction = frontend::ASTDump; break; 1116 case OPT_ast_dump_xml: 1117 Opts.ProgramAction = frontend::ASTDumpXML; break; 1118 case OPT_ast_print: 1119 Opts.ProgramAction = frontend::ASTPrint; break; 1120 case OPT_ast_view: 1121 Opts.ProgramAction = frontend::ASTView; break; 1122 case OPT_boostcon: 1123 Opts.ProgramAction = frontend::BoostCon; break; 1124 case OPT_dump_raw_tokens: 1125 Opts.ProgramAction = frontend::DumpRawTokens; break; 1126 case OPT_dump_tokens: 1127 Opts.ProgramAction = frontend::DumpTokens; break; 1128 case OPT_S: 1129 Opts.ProgramAction = frontend::EmitAssembly; break; 1130 case OPT_emit_llvm_bc: 1131 Opts.ProgramAction = frontend::EmitBC; break; 1132 case OPT_emit_html: 1133 Opts.ProgramAction = frontend::EmitHTML; break; 1134 case OPT_emit_llvm: 1135 Opts.ProgramAction = frontend::EmitLLVM; break; 1136 case OPT_emit_llvm_only: 1137 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1138 case OPT_emit_codegen_only: 1139 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1140 case OPT_emit_obj: 1141 Opts.ProgramAction = frontend::EmitObj; break; 1142 case OPT_fixit_EQ: 1143 Opts.FixItSuffix = A->getValue(Args); 1144 // fall-through! 1145 case OPT_fixit: 1146 Opts.ProgramAction = frontend::FixIt; break; 1147 case OPT_emit_pch: 1148 Opts.ProgramAction = frontend::GeneratePCH; break; 1149 case OPT_emit_pth: 1150 Opts.ProgramAction = frontend::GeneratePTH; break; 1151 case OPT_init_only: 1152 Opts.ProgramAction = frontend::InitOnly; break; 1153 case OPT_fsyntax_only: 1154 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1155 case OPT_print_decl_contexts: 1156 Opts.ProgramAction = frontend::PrintDeclContext; break; 1157 case OPT_print_preamble: 1158 Opts.ProgramAction = frontend::PrintPreamble; break; 1159 case OPT_E: 1160 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1161 case OPT_rewrite_macros: 1162 Opts.ProgramAction = frontend::RewriteMacros; break; 1163 case OPT_rewrite_objc: 1164 Opts.ProgramAction = frontend::RewriteObjC; break; 1165 case OPT_rewrite_test: 1166 Opts.ProgramAction = frontend::RewriteTest; break; 1167 case OPT_analyze: 1168 Opts.ProgramAction = frontend::RunAnalysis; break; 1169 case OPT_Eonly: 1170 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1171 case OPT_create_module: 1172 Opts.ProgramAction = frontend::CreateModule; break; 1173 } 1174 } 1175 1176 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1177 Opts.Plugins.push_back(A->getValue(Args,0)); 1178 Opts.ProgramAction = frontend::PluginAction; 1179 Opts.ActionName = A->getValue(Args); 1180 1181 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1182 end = Args.filtered_end(); it != end; ++it) { 1183 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1184 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1185 } 1186 } 1187 1188 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1189 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1190 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1191 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1192 end = Args.filtered_end(); it != end; ++it) { 1193 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1194 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1195 } 1196 } 1197 1198 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1199 Opts.CodeCompletionAt = 1200 ParsedSourceLocation::FromString(A->getValue(Args)); 1201 if (Opts.CodeCompletionAt.FileName.empty()) 1202 Diags.Report(diag::err_drv_invalid_value) 1203 << A->getAsString(Args) << A->getValue(Args); 1204 } 1205 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1206 1207 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1208 Opts.Plugins = Args.getAllArgValues(OPT_load); 1209 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1210 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1211 Opts.ShowHelp = Args.hasArg(OPT_help); 1212 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1213 Opts.ShowCodePatternsInCodeCompletion 1214 = Args.hasArg(OPT_code_completion_patterns); 1215 Opts.ShowGlobalSymbolsInCodeCompletion 1216 = !Args.hasArg(OPT_no_code_completion_globals); 1217 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1218 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1219 Opts.ShowVersion = Args.hasArg(OPT_version); 1220 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1221 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1222 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1223 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1224 1225 InputKind DashX = IK_None; 1226 if (const Arg *A = Args.getLastArg(OPT_x)) { 1227 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1228 .Case("c", IK_C) 1229 .Case("cl", IK_OpenCL) 1230 .Case("cuda", IK_CUDA) 1231 .Case("c++", IK_CXX) 1232 .Case("objective-c", IK_ObjC) 1233 .Case("objective-c++", IK_ObjCXX) 1234 .Case("cpp-output", IK_PreprocessedC) 1235 .Case("assembler-with-cpp", IK_Asm) 1236 .Case("c++-cpp-output", IK_PreprocessedCXX) 1237 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1238 .Case("objc-cpp-output", IK_PreprocessedObjC) 1239 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1240 .Case("c-header", IK_C) 1241 .Case("objective-c-header", IK_ObjC) 1242 .Case("c++-header", IK_CXX) 1243 .Case("objective-c++-header", IK_ObjCXX) 1244 .Case("ast", IK_AST) 1245 .Case("ir", IK_LLVM_IR) 1246 .Default(IK_None); 1247 if (DashX == IK_None) 1248 Diags.Report(diag::err_drv_invalid_value) 1249 << A->getAsString(Args) << A->getValue(Args); 1250 } 1251 1252 // '-' is the default input if none is given. 1253 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1254 Opts.Inputs.clear(); 1255 if (Inputs.empty()) 1256 Inputs.push_back("-"); 1257 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1258 InputKind IK = DashX; 1259 if (IK == IK_None) { 1260 IK = FrontendOptions::getInputKindForExtension( 1261 llvm::StringRef(Inputs[i]).rsplit('.').second); 1262 // FIXME: Remove this hack. 1263 if (i == 0) 1264 DashX = IK; 1265 } 1266 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1267 } 1268 1269 return DashX; 1270 } 1271 1272 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1273 void *MainAddr) { 1274 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1275 1276 if (!P.isEmpty()) { 1277 P.eraseComponent(); // Remove /clang from foo/bin/clang 1278 P.eraseComponent(); // Remove /bin from foo/bin 1279 1280 // Get foo/lib/clang/<version>/include 1281 P.appendComponent("lib"); 1282 P.appendComponent("clang"); 1283 P.appendComponent(CLANG_VERSION_STRING); 1284 } 1285 1286 return P.str(); 1287 } 1288 1289 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1290 using namespace cc1options; 1291 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1292 Opts.Verbose = Args.hasArg(OPT_v); 1293 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1294 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1295 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1296 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1297 1298 // Add -I... and -F... options in order. 1299 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1300 ie = Args.filtered_end(); it != ie; ++it) 1301 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1302 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1303 1304 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1305 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1306 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1307 OPT_iwithprefixbefore), 1308 ie = Args.filtered_end(); it != ie; ++it) { 1309 const Arg *A = *it; 1310 if (A->getOption().matches(OPT_iprefix)) 1311 Prefix = A->getValue(Args); 1312 else if (A->getOption().matches(OPT_iwithprefix)) 1313 Opts.AddPath(Prefix.str() + A->getValue(Args), 1314 frontend::System, false, false, true); 1315 else 1316 Opts.AddPath(Prefix.str() + A->getValue(Args), 1317 frontend::Angled, false, false, true); 1318 } 1319 1320 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1321 ie = Args.filtered_end(); it != ie; ++it) 1322 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1323 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1324 ie = Args.filtered_end(); it != ie; ++it) 1325 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1326 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1327 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1328 Opts.AddPath((*it)->getValue(Args), 1329 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1330 frontend::CXXSystem : frontend::System), 1331 true, false, (*it)->getOption().matches(OPT_iwithsysroot)); 1332 1333 // FIXME: Need options for the various environment variables! 1334 } 1335 1336 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1337 LangStandard::Kind LangStd) { 1338 // Set some properties which depend solely on the input kind; it would be nice 1339 // to move these to the language standard, and have the driver resolve the 1340 // input kind + language standard. 1341 if (IK == IK_Asm) { 1342 Opts.AsmPreprocessor = 1; 1343 } else if (IK == IK_ObjC || 1344 IK == IK_ObjCXX || 1345 IK == IK_PreprocessedObjC || 1346 IK == IK_PreprocessedObjCXX) { 1347 Opts.ObjC1 = Opts.ObjC2 = 1; 1348 } 1349 1350 if (LangStd == LangStandard::lang_unspecified) { 1351 // Based on the base language, pick one. 1352 switch (IK) { 1353 case IK_None: 1354 case IK_AST: 1355 case IK_LLVM_IR: 1356 assert(0 && "Invalid input kind!"); 1357 case IK_OpenCL: 1358 LangStd = LangStandard::lang_opencl; 1359 break; 1360 case IK_CUDA: 1361 LangStd = LangStandard::lang_cuda; 1362 break; 1363 case IK_Asm: 1364 case IK_C: 1365 case IK_PreprocessedC: 1366 case IK_ObjC: 1367 case IK_PreprocessedObjC: 1368 LangStd = LangStandard::lang_gnu99; 1369 break; 1370 case IK_CXX: 1371 case IK_PreprocessedCXX: 1372 case IK_ObjCXX: 1373 case IK_PreprocessedObjCXX: 1374 LangStd = LangStandard::lang_gnucxx98; 1375 break; 1376 } 1377 } 1378 1379 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1380 Opts.BCPLComment = Std.hasBCPLComments(); 1381 Opts.C99 = Std.isC99(); 1382 Opts.C1X = Std.isC1X(); 1383 Opts.CPlusPlus = Std.isCPlusPlus(); 1384 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1385 Opts.Digraphs = Std.hasDigraphs(); 1386 Opts.GNUMode = Std.isGNUMode(); 1387 Opts.GNUInline = !Std.isC99(); 1388 Opts.HexFloats = Std.hasHexFloats(); 1389 Opts.ImplicitInt = Std.hasImplicitInt(); 1390 1391 // OpenCL has some additional defaults. 1392 if (LangStd == LangStandard::lang_opencl) { 1393 Opts.OpenCL = 1; 1394 Opts.AltiVec = 1; 1395 Opts.CXXOperatorNames = 1; 1396 Opts.LaxVectorConversions = 1; 1397 Opts.DefaultFPContract = 1; 1398 } 1399 1400 if (LangStd == LangStandard::lang_cuda) 1401 Opts.CUDA = 1; 1402 1403 // OpenCL and C++ both have bool, true, false keywords. 1404 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1405 1406 Opts.GNUKeywords = Opts.GNUMode; 1407 Opts.CXXOperatorNames = Opts.CPlusPlus; 1408 1409 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1410 // is specified, or -std is set to a conforming mode. 1411 Opts.Trigraphs = !Opts.GNUMode; 1412 1413 Opts.DollarIdents = !Opts.AsmPreprocessor; 1414 } 1415 1416 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1417 Diagnostic &Diags) { 1418 // FIXME: Cleanup per-file based stuff. 1419 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1420 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1421 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1422 #define LANGSTANDARD(id, name, desc, features) \ 1423 .Case(name, LangStandard::lang_##id) 1424 #include "clang/Frontend/LangStandards.def" 1425 .Default(LangStandard::lang_unspecified); 1426 if (LangStd == LangStandard::lang_unspecified) 1427 Diags.Report(diag::err_drv_invalid_value) 1428 << A->getAsString(Args) << A->getValue(Args); 1429 else { 1430 // Valid standard, check to make sure language and standard are compatable. 1431 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1432 switch (IK) { 1433 case IK_C: 1434 case IK_ObjC: 1435 case IK_PreprocessedC: 1436 case IK_PreprocessedObjC: 1437 if (!(Std.isC89() || Std.isC99())) 1438 Diags.Report(diag::err_drv_argument_not_allowed_with) 1439 << A->getAsString(Args) << "C/ObjC"; 1440 break; 1441 case IK_CXX: 1442 case IK_ObjCXX: 1443 case IK_PreprocessedCXX: 1444 case IK_PreprocessedObjCXX: 1445 if (!Std.isCPlusPlus()) 1446 Diags.Report(diag::err_drv_argument_not_allowed_with) 1447 << A->getAsString(Args) << "C++/ObjC++"; 1448 break; 1449 case IK_OpenCL: 1450 if (!Std.isC99()) 1451 Diags.Report(diag::err_drv_argument_not_allowed_with) 1452 << A->getAsString(Args) << "OpenCL"; 1453 break; 1454 case IK_CUDA: 1455 if (!Std.isCPlusPlus()) 1456 Diags.Report(diag::err_drv_argument_not_allowed_with) 1457 << A->getAsString(Args) << "CUDA"; 1458 break; 1459 default: 1460 break; 1461 } 1462 } 1463 } 1464 1465 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1466 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1467 Diags.Report(diag::err_drv_invalid_value) 1468 << A->getAsString(Args) << A->getValue(Args); 1469 } 1470 } 1471 1472 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1473 1474 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1475 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1476 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1477 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1478 // name, as it doesn't seem a useful distinction. 1479 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1480 Opts.GNUKeywords); 1481 1482 if (Args.hasArg(OPT_fno_operator_names)) 1483 Opts.CXXOperatorNames = 0; 1484 1485 if (Args.hasArg(OPT_fgnu89_inline)) 1486 Opts.GNUInline = 1; 1487 1488 if (Args.hasArg(OPT_fobjc_gc_only)) 1489 Opts.setGCMode(LangOptions::GCOnly); 1490 else if (Args.hasArg(OPT_fobjc_gc)) 1491 Opts.setGCMode(LangOptions::HybridGC); 1492 1493 if (Args.hasArg(OPT_fobjc_infer_related_result_type)) 1494 Opts.ObjCInferRelatedResultType = 1; 1495 1496 if (Args.hasArg(OPT_fapple_kext)) { 1497 if (!Opts.CPlusPlus) 1498 Diags.Report(diag::warn_c_kext); 1499 else 1500 Opts.AppleKext = 1; 1501 } 1502 1503 if (Args.hasArg(OPT_print_ivar_layout)) 1504 Opts.ObjCGCBitmapPrint = 1; 1505 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1506 Opts.NoConstantCFStrings = 1; 1507 1508 if (Args.hasArg(OPT_faltivec)) 1509 Opts.AltiVec = 1; 1510 1511 if (Args.hasArg(OPT_pthread)) 1512 Opts.POSIXThreads = 1; 1513 1514 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1515 Opts.DelayedTemplateParsing = 1; 1516 1517 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1518 if (Vis == "default") 1519 Opts.setVisibilityMode(DefaultVisibility); 1520 else if (Vis == "hidden") 1521 Opts.setVisibilityMode(HiddenVisibility); 1522 else if (Vis == "protected") 1523 Opts.setVisibilityMode(ProtectedVisibility); 1524 else 1525 Diags.Report(diag::err_drv_invalid_value) 1526 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1527 1528 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1529 Opts.InlineVisibilityHidden = 1; 1530 1531 if (Args.hasArg(OPT_ftrapv)) { 1532 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1533 // Set the handler, if one is specified. 1534 Opts.OverflowHandler = 1535 Args.getLastArgValue(OPT_ftrapv_handler); 1536 } 1537 else if (Args.hasArg(OPT_fwrapv)) 1538 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1539 1540 if (Args.hasArg(OPT_trigraphs)) 1541 Opts.Trigraphs = 1; 1542 1543 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1544 OPT_fno_dollars_in_identifiers, 1545 Opts.DollarIdents); 1546 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1547 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1548 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1549 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1550 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1551 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1552 Opts.ConstStrings); 1553 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1554 Opts.LaxVectorConversions = 0; 1555 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1556 Opts.ThreadsafeStatics = 0; 1557 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1558 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1559 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1560 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1561 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1562 1563 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1564 Opts.Blocks = Args.hasArg(OPT_fblocks); 1565 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1566 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1567 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1568 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1569 Opts.FormatExtensions = Args.hasArg(OPT_fformat_extensions); 1570 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1571 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1572 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1573 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1574 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1575 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1576 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1577 Diags); 1578 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1579 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1580 0, Diags); 1581 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1582 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1583 Opts.ObjCConstantStringClass = 1584 Args.getLastArgValue(OPT_fconstant_string_class); 1585 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1586 if (Opts.ObjCNonFragileABI) 1587 Opts.ObjCNonFragileABI2 = true; 1588 Opts.ObjCDefaultSynthProperties = 1589 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1590 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1591 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1592 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1593 Opts.Static = Args.hasArg(OPT_static_define); 1594 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1595 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1596 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1597 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1598 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1599 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1600 Opts.OptimizeSize = 0; 1601 Opts.MRTD = Args.hasArg(OPT_mrtd); 1602 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1603 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1604 1605 // Record whether the __DEPRECATED define was requested. 1606 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1607 OPT_fno_deprecated_macro, 1608 Opts.Deprecated); 1609 1610 // FIXME: Eliminate this dependency. 1611 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1612 Opts.Optimize = Opt != 0; 1613 1614 // This is the __NO_INLINE__ define, which just depends on things like the 1615 // optimization level and -fno-inline, not actually whether the backend has 1616 // inlining enabled. 1617 // 1618 // FIXME: This is affected by other options (-fno-inline). 1619 Opts.NoInline = !Opt; 1620 1621 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1622 switch (SSP) { 1623 default: 1624 Diags.Report(diag::err_drv_invalid_value) 1625 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1626 break; 1627 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1628 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1629 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1630 } 1631 } 1632 1633 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1634 FileManager &FileMgr, 1635 Diagnostic &Diags) { 1636 using namespace cc1options; 1637 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1638 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1639 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1640 Opts.TokenCache = A->getValue(Args); 1641 else 1642 Opts.TokenCache = Opts.ImplicitPTHInclude; 1643 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1644 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1645 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1646 1647 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1648 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1649 ie = Args.filtered_end(); it != ie; ++it) { 1650 const Arg *A = *it; 1651 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1652 } 1653 1654 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1655 llvm::StringRef Value(A->getValue(Args)); 1656 size_t Comma = Value.find(','); 1657 unsigned Bytes = 0; 1658 unsigned EndOfLine = 0; 1659 1660 if (Comma == llvm::StringRef::npos || 1661 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1662 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1663 Diags.Report(diag::err_drv_preamble_format); 1664 else { 1665 Opts.PrecompiledPreambleBytes.first = Bytes; 1666 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1667 } 1668 } 1669 1670 // Add macros from the command line. 1671 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1672 ie = Args.filtered_end(); it != ie; ++it) { 1673 if ((*it)->getOption().matches(OPT_D)) 1674 Opts.addMacroDef((*it)->getValue(Args)); 1675 else 1676 Opts.addMacroUndef((*it)->getValue(Args)); 1677 } 1678 1679 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1680 1681 // Add the ordered list of -includes. 1682 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1683 OPT_include_pth), 1684 ie = Args.filtered_end(); it != ie; ++it) { 1685 const Arg *A = *it; 1686 // PCH is handled specially, we need to extra the original include path. 1687 if (A->getOption().matches(OPT_include_pch)) { 1688 std::string OriginalFile = 1689 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1690 if (OriginalFile.empty()) 1691 continue; 1692 1693 Opts.Includes.push_back(OriginalFile); 1694 } else 1695 Opts.Includes.push_back(A->getValue(Args)); 1696 } 1697 1698 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1699 ie = Args.filtered_end(); it != ie; ++it) { 1700 const Arg *A = *it; 1701 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1702 } 1703 1704 // Include 'altivec.h' if -faltivec option present 1705 if (Args.hasArg(OPT_faltivec)) 1706 Opts.Includes.push_back("altivec.h"); 1707 1708 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1709 ie = Args.filtered_end(); it != ie; ++it) { 1710 const Arg *A = *it; 1711 std::pair<llvm::StringRef,llvm::StringRef> Split = 1712 llvm::StringRef(A->getValue(Args)).split(';'); 1713 1714 if (Split.second.empty()) { 1715 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1716 continue; 1717 } 1718 1719 Opts.addRemappedFile(Split.first, Split.second); 1720 } 1721 } 1722 1723 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1724 ArgList &Args) { 1725 using namespace cc1options; 1726 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1727 Opts.ShowComments = Args.hasArg(OPT_C); 1728 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1729 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1730 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1731 } 1732 1733 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1734 using namespace cc1options; 1735 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1736 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1737 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1738 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1739 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1740 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1741 1742 // Use the host triple if unspecified. 1743 if (Opts.Triple.empty()) 1744 Opts.Triple = llvm::sys::getHostTriple(); 1745 } 1746 1747 // 1748 1749 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1750 const char *const *ArgBegin, 1751 const char *const *ArgEnd, 1752 Diagnostic &Diags) { 1753 // Parse the arguments. 1754 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1755 unsigned MissingArgIndex, MissingArgCount; 1756 llvm::OwningPtr<InputArgList> Args( 1757 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1758 1759 // Check for missing argument error. 1760 if (MissingArgCount) 1761 Diags.Report(diag::err_drv_missing_argument) 1762 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1763 1764 // Issue errors on unknown arguments. 1765 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1766 ie = Args->filtered_end(); it != ie; ++it) 1767 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1768 1769 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1770 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1771 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1772 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1773 // FIXME: We shouldn't have to pass the DashX option around here 1774 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1775 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1776 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1777 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1778 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1779 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1780 Res.getLangOpts().ObjCExceptions = 1; 1781 } 1782 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1783 // PCH file and find the original header name. Remove the need to do that in 1784 // ParsePreprocessorArgs and remove the FileManager 1785 // parameters from the function and the "FileManager.h" #include. 1786 FileManager FileMgr(Res.getFileSystemOpts()); 1787 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1788 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1789 ParseTargetArgs(Res.getTargetOpts(), *Args); 1790 } 1791