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.UseRegisterSizedBitfieldAccess) 137 Res.push_back("-fuse-register-sized-bitfield-access"); 138 if (Opts.NoImplicitFloat) 139 Res.push_back("-no-implicit-float"); 140 if (Opts.OmitLeafFramePointer) 141 Res.push_back("-momit-leaf-frame-pointer"); 142 if (Opts.OptimizeSize) { 143 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 144 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 145 } else if (Opts.OptimizationLevel != 0) 146 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 147 if (!Opts.MainFileName.empty()) { 148 Res.push_back("-main-file-name"); 149 Res.push_back(Opts.MainFileName); 150 } 151 // SimplifyLibCalls is only derived. 152 // TimePasses is only derived. 153 // UnitAtATime is unused. 154 // Inlining is only derived. 155 156 // UnrollLoops is derived, but also accepts an option, no 157 // harm in pushing it back here. 158 if (Opts.UnrollLoops) 159 Res.push_back("-funroll-loops"); 160 if (Opts.DataSections) 161 Res.push_back("-fdata-sections"); 162 if (Opts.FunctionSections) 163 Res.push_back("-ffunction-sections"); 164 if (Opts.AsmVerbose) 165 Res.push_back("-masm-verbose"); 166 if (!Opts.CodeModel.empty()) { 167 Res.push_back("-mcode-model"); 168 Res.push_back(Opts.CodeModel); 169 } 170 if (!Opts.CXAAtExit) 171 Res.push_back("-fno-use-cxa-atexit"); 172 if (Opts.CXXCtorDtorAliases) 173 Res.push_back("-mconstructor-aliases"); 174 if (Opts.ObjCAutoRefCountExceptions) 175 Res.push_back("-fobjc-arc-eh"); 176 if (!Opts.DebugPass.empty()) { 177 Res.push_back("-mdebug-pass"); 178 Res.push_back(Opts.DebugPass); 179 } 180 if (Opts.DisableFPElim) 181 Res.push_back("-mdisable-fp-elim"); 182 if (!Opts.FloatABI.empty()) { 183 Res.push_back("-mfloat-abi"); 184 Res.push_back(Opts.FloatABI); 185 } 186 if (!Opts.LimitFloatPrecision.empty()) { 187 Res.push_back("-mlimit-float-precision"); 188 Res.push_back(Opts.LimitFloatPrecision); 189 } 190 if (Opts.NoZeroInitializedInBSS) 191 Res.push_back("-mno-zero-initialized-bss"); 192 switch (Opts.getObjCDispatchMethod()) { 193 case CodeGenOptions::Legacy: 194 break; 195 case CodeGenOptions::Mixed: 196 Res.push_back("-fobjc-dispatch-method=mixed"); 197 break; 198 case CodeGenOptions::NonLegacy: 199 Res.push_back("-fobjc-dispatch-method=non-legacy"); 200 break; 201 } 202 if (Opts.NumRegisterParameters) { 203 Res.push_back("-mregparm"); 204 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 205 } 206 if (Opts.NoExecStack) 207 Res.push_back("-mnoexecstack"); 208 if (Opts.RelaxAll) 209 Res.push_back("-mrelax-all"); 210 if (Opts.SaveTempLabels) 211 Res.push_back("-msave-temp-labels"); 212 if (Opts.NoDwarf2CFIAsm) 213 Res.push_back("-fno-dwarf2-cfi-asm"); 214 if (Opts.SoftFloat) 215 Res.push_back("-msoft-float"); 216 if (Opts.UnwindTables) 217 Res.push_back("-munwind-tables"); 218 if (Opts.RelocationModel != "pic") { 219 Res.push_back("-mrelocation-model"); 220 Res.push_back(Opts.RelocationModel); 221 } 222 if (!Opts.VerifyModule) 223 Res.push_back("-disable-llvm-verifier"); 224 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 225 Res.push_back("-backend-option"); 226 Res.push_back(Opts.BackendOptions[i]); 227 } 228 } 229 230 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 231 std::vector<std::string> &Res) { 232 if (Opts.IncludeSystemHeaders) 233 Res.push_back("-sys-header-deps"); 234 if (Opts.ShowHeaderIncludes) 235 Res.push_back("-H"); 236 if (!Opts.HeaderIncludeOutputFile.empty()) { 237 Res.push_back("-header-include-file"); 238 Res.push_back(Opts.HeaderIncludeOutputFile); 239 } 240 if (Opts.UsePhonyTargets) 241 Res.push_back("-MP"); 242 if (!Opts.OutputFile.empty()) { 243 Res.push_back("-dependency-file"); 244 Res.push_back(Opts.OutputFile); 245 } 246 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 247 Res.push_back("-MT"); 248 Res.push_back(Opts.Targets[i]); 249 } 250 } 251 252 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 253 std::vector<std::string> &Res) { 254 if (Opts.IgnoreWarnings) 255 Res.push_back("-w"); 256 if (Opts.NoRewriteMacros) 257 Res.push_back("-Wno-rewrite-macros"); 258 if (Opts.Pedantic) 259 Res.push_back("-pedantic"); 260 if (Opts.PedanticErrors) 261 Res.push_back("-pedantic-errors"); 262 if (!Opts.ShowColumn) 263 Res.push_back("-fno-show-column"); 264 if (!Opts.ShowLocation) 265 Res.push_back("-fno-show-source-location"); 266 if (!Opts.ShowCarets) 267 Res.push_back("-fno-caret-diagnostics"); 268 if (!Opts.ShowFixits) 269 Res.push_back("-fno-diagnostics-fixit-info"); 270 if (Opts.ShowSourceRanges) 271 Res.push_back("-fdiagnostics-print-source-range-info"); 272 if (Opts.ShowParseableFixits) 273 Res.push_back("-fdiagnostics-parseable-fixits"); 274 if (Opts.ShowColors) 275 Res.push_back("-fcolor-diagnostics"); 276 if (Opts.VerifyDiagnostics) 277 Res.push_back("-verify"); 278 if (Opts.ShowNames) 279 Res.push_back("-fdiagnostics-show-name"); 280 if (Opts.ShowOptionNames) 281 Res.push_back("-fdiagnostics-show-option"); 282 if (Opts.ShowCategories == 1) 283 Res.push_back("-fdiagnostics-show-category=id"); 284 else if (Opts.ShowCategories == 2) 285 Res.push_back("-fdiagnostics-show-category=name"); 286 switch (Opts.Format) { 287 case DiagnosticOptions::Clang: 288 Res.push_back("-fdiagnostics-format=clang"); break; 289 case DiagnosticOptions::Msvc: 290 Res.push_back("-fdiagnostics-format=msvc"); break; 291 case DiagnosticOptions::Vi: 292 Res.push_back("-fdiagnostics-format=vi"); break; 293 } 294 if (Opts.ErrorLimit) { 295 Res.push_back("-ferror-limit"); 296 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 297 } 298 if (!Opts.DiagnosticLogFile.empty()) { 299 Res.push_back("-diagnostic-log-file"); 300 Res.push_back(Opts.DiagnosticLogFile); 301 } 302 if (Opts.MacroBacktraceLimit 303 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 304 Res.push_back("-fmacro-backtrace-limit"); 305 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 306 } 307 if (Opts.TemplateBacktraceLimit 308 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 309 Res.push_back("-ftemplate-backtrace-limit"); 310 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 311 } 312 313 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 314 Res.push_back("-ftabstop"); 315 Res.push_back(llvm::utostr(Opts.TabStop)); 316 } 317 if (Opts.MessageLength) { 318 Res.push_back("-fmessage-length"); 319 Res.push_back(llvm::utostr(Opts.MessageLength)); 320 } 321 if (!Opts.DumpBuildInformation.empty()) { 322 Res.push_back("-dump-build-information"); 323 Res.push_back(Opts.DumpBuildInformation); 324 } 325 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 326 Res.push_back("-W" + Opts.Warnings[i]); 327 } 328 329 static const char *getInputKindName(InputKind Kind) { 330 switch (Kind) { 331 case IK_None: break; 332 case IK_AST: return "ast"; 333 case IK_Asm: return "assembler-with-cpp"; 334 case IK_C: return "c"; 335 case IK_CXX: return "c++"; 336 case IK_LLVM_IR: return "ir"; 337 case IK_ObjC: return "objective-c"; 338 case IK_ObjCXX: return "objective-c++"; 339 case IK_OpenCL: return "cl"; 340 case IK_CUDA: return "cuda"; 341 case IK_PreprocessedC: return "cpp-output"; 342 case IK_PreprocessedCXX: return "c++-cpp-output"; 343 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 344 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 345 } 346 347 llvm_unreachable("Unexpected language kind!"); 348 return 0; 349 } 350 351 static const char *getActionName(frontend::ActionKind Kind) { 352 switch (Kind) { 353 case frontend::PluginAction: 354 llvm_unreachable("Invalid kind!"); 355 356 case frontend::ASTDump: return "-ast-dump"; 357 case frontend::ASTDumpXML: return "-ast-dump-xml"; 358 case frontend::ASTPrint: return "-ast-print"; 359 case frontend::ASTView: return "-ast-view"; 360 case frontend::BoostCon: return "-boostcon"; 361 case frontend::CreateModule: return "-create-module"; 362 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 363 case frontend::DumpTokens: return "-dump-tokens"; 364 case frontend::EmitAssembly: return "-S"; 365 case frontend::EmitBC: return "-emit-llvm-bc"; 366 case frontend::EmitHTML: return "-emit-html"; 367 case frontend::EmitLLVM: return "-emit-llvm"; 368 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 369 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 370 case frontend::EmitObj: return "-emit-obj"; 371 case frontend::FixIt: return "-fixit"; 372 case frontend::GeneratePCH: return "-emit-pch"; 373 case frontend::GeneratePTH: return "-emit-pth"; 374 case frontend::InitOnly: return "-init-only"; 375 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 376 case frontend::PrintDeclContext: return "-print-decl-contexts"; 377 case frontend::PrintPreamble: return "-print-preamble"; 378 case frontend::PrintPreprocessedInput: return "-E"; 379 case frontend::RewriteMacros: return "-rewrite-macros"; 380 case frontend::RewriteObjC: return "-rewrite-objc"; 381 case frontend::RewriteTest: return "-rewrite-test"; 382 case frontend::RunAnalysis: return "-analyze"; 383 case frontend::RunPreprocessorOnly: return "-Eonly"; 384 } 385 386 llvm_unreachable("Unexpected language kind!"); 387 return 0; 388 } 389 390 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 391 std::vector<std::string> &Res) { 392 if (!Opts.WorkingDir.empty()) { 393 Res.push_back("-working-directory"); 394 Res.push_back(Opts.WorkingDir); 395 } 396 } 397 398 static void FrontendOptsToArgs(const FrontendOptions &Opts, 399 std::vector<std::string> &Res) { 400 if (Opts.DisableFree) 401 Res.push_back("-disable-free"); 402 if (Opts.RelocatablePCH) 403 Res.push_back("-relocatable-pch"); 404 if (Opts.ChainedPCH) 405 Res.push_back("-chained-pch"); 406 if (Opts.ShowHelp) 407 Res.push_back("-help"); 408 if (Opts.ShowMacrosInCodeCompletion) 409 Res.push_back("-code-completion-macros"); 410 if (Opts.ShowCodePatternsInCodeCompletion) 411 Res.push_back("-code-completion-patterns"); 412 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 413 Res.push_back("-no-code-completion-globals"); 414 if (Opts.ShowStats) 415 Res.push_back("-print-stats"); 416 if (Opts.ShowTimers) 417 Res.push_back("-ftime-report"); 418 if (Opts.ShowVersion) 419 Res.push_back("-version"); 420 if (Opts.FixWhatYouCan) 421 Res.push_back("-fix-what-you-can"); 422 switch (Opts.ARCMTAction) { 423 case FrontendOptions::ARCMT_None: 424 break; 425 case FrontendOptions::ARCMT_Check: 426 Res.push_back("-arcmt-check"); 427 break; 428 case FrontendOptions::ARCMT_Modify: 429 Res.push_back("-arcmt-modify"); 430 break; 431 } 432 433 bool NeedLang = false; 434 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 435 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 436 Opts.Inputs[i].first) 437 NeedLang = true; 438 if (NeedLang) { 439 Res.push_back("-x"); 440 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 441 } 442 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 443 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 444 "Unable to represent this input vector!"); 445 Res.push_back(Opts.Inputs[i].second); 446 } 447 448 if (!Opts.OutputFile.empty()) { 449 Res.push_back("-o"); 450 Res.push_back(Opts.OutputFile); 451 } 452 if (!Opts.CodeCompletionAt.FileName.empty()) { 453 Res.push_back("-code-completion-at"); 454 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 455 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 456 llvm::utostr(Opts.CodeCompletionAt.Column)); 457 } 458 if (Opts.ProgramAction != frontend::PluginAction) 459 Res.push_back(getActionName(Opts.ProgramAction)); 460 if (!Opts.ActionName.empty()) { 461 Res.push_back("-plugin"); 462 Res.push_back(Opts.ActionName); 463 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 464 Res.push_back("-plugin-arg-" + Opts.ActionName); 465 Res.push_back(Opts.PluginArgs[i]); 466 } 467 } 468 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 469 Res.push_back("-load"); 470 Res.push_back(Opts.Plugins[i]); 471 } 472 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 473 Res.push_back("-add-plugin"); 474 Res.push_back(Opts.AddPluginActions[i]); 475 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 476 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 477 Res.push_back(Opts.AddPluginArgs[i][ai]); 478 } 479 } 480 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 481 Res.push_back("-ast-merge"); 482 Res.push_back(Opts.ASTMergeFiles[i]); 483 } 484 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 485 Res.push_back("-import-module"); 486 Res.push_back(Opts.Modules[i]); 487 } 488 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 489 Res.push_back("-mllvm"); 490 Res.push_back(Opts.LLVMArgs[i]); 491 } 492 } 493 494 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 495 std::vector<std::string> &Res) { 496 if (Opts.Sysroot != "/") { 497 Res.push_back("-isysroot"); 498 Res.push_back(Opts.Sysroot); 499 } 500 501 /// User specified include entries. 502 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 503 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 504 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 505 llvm::report_fatal_error("Invalid option set!"); 506 if (E.IsUserSupplied) { 507 if (E.Group == frontend::After) { 508 Res.push_back("-idirafter"); 509 } else if (E.Group == frontend::Quoted) { 510 Res.push_back("-iquote"); 511 } else if (E.Group == frontend::System) { 512 Res.push_back("-isystem"); 513 } else if (E.Group == frontend::CXXSystem) { 514 Res.push_back("-cxx-isystem"); 515 } else { 516 assert(E.Group == frontend::Angled && "Invalid group!"); 517 Res.push_back(E.IsFramework ? "-F" : "-I"); 518 } 519 } else { 520 if (E.Group != frontend::Angled && E.Group != frontend::System) 521 llvm::report_fatal_error("Invalid option set!"); 522 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 523 "-iwithprefix"); 524 } 525 Res.push_back(E.Path); 526 } 527 528 if (!Opts.EnvIncPath.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.CEnvIncPath.empty()) { 533 // FIXME: Provide an option for this, and move env detection to driver. 534 llvm::report_fatal_error("Not yet implemented!"); 535 } 536 if (!Opts.ObjCEnvIncPath.empty()) { 537 // FIXME: Provide an option for this, and move env detection to driver. 538 llvm::report_fatal_error("Not yet implemented!"); 539 } 540 if (!Opts.CXXEnvIncPath.empty()) { 541 // FIXME: Provide an option for this, and move env detection to driver. 542 llvm::report_fatal_error("Not yet implemented!"); 543 } 544 if (!Opts.ObjCXXEnvIncPath.empty()) { 545 // FIXME: Provide an option for this, and move env detection to driver. 546 llvm::report_fatal_error("Not yet implemented!"); 547 } 548 if (!Opts.ResourceDir.empty()) { 549 Res.push_back("-resource-dir"); 550 Res.push_back(Opts.ResourceDir); 551 } 552 if (!Opts.UseStandardIncludes) 553 Res.push_back("-nostdinc"); 554 if (!Opts.UseStandardCXXIncludes) 555 Res.push_back("-nostdinc++"); 556 if (Opts.UseLibcxx) 557 Res.push_back("-stdlib=libc++"); 558 if (Opts.Verbose) 559 Res.push_back("-v"); 560 } 561 562 static void LangOptsToArgs(const LangOptions &Opts, 563 std::vector<std::string> &Res) { 564 LangOptions DefaultLangOpts; 565 566 // FIXME: Need to set -std to get all the implicit options. 567 568 // FIXME: We want to only pass options relative to the defaults, which 569 // requires constructing a target. :( 570 // 571 // It would be better to push the all target specific choices into the driver, 572 // so that everything below that was more uniform. 573 574 if (Opts.Trigraphs) 575 Res.push_back("-trigraphs"); 576 // Implicit based on the input kind: 577 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 578 // Implicit based on the input language standard: 579 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 580 if (Opts.DollarIdents) 581 Res.push_back("-fdollars-in-identifiers"); 582 if (Opts.GNUMode && !Opts.GNUKeywords) 583 Res.push_back("-fno-gnu-keywords"); 584 if (!Opts.GNUMode && Opts.GNUKeywords) 585 Res.push_back("-fgnu-keywords"); 586 if (Opts.Microsoft) 587 Res.push_back("-fms-extensions"); 588 if (Opts.MSCVersion != 0) 589 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 590 if (Opts.Borland) 591 Res.push_back("-fborland-extensions"); 592 if (Opts.ObjCNonFragileABI) 593 Res.push_back("-fobjc-nonfragile-abi"); 594 if (Opts.ObjCNonFragileABI2) 595 Res.push_back("-fobjc-nonfragile-abi"); 596 if (Opts.ObjCDefaultSynthProperties) 597 Res.push_back("-fobjc-default-synthesize-properties"); 598 // NoInline is implicit. 599 if (!Opts.CXXOperatorNames) 600 Res.push_back("-fno-operator-names"); 601 if (Opts.PascalStrings) 602 Res.push_back("-fpascal-strings"); 603 if (Opts.CatchUndefined) 604 Res.push_back("-fcatch-undefined-behavior"); 605 if (Opts.WritableStrings) 606 Res.push_back("-fwritable-strings"); 607 if (Opts.ConstStrings) 608 Res.push_back("-fconst-strings"); 609 if (!Opts.LaxVectorConversions) 610 Res.push_back("-fno-lax-vector-conversions"); 611 if (Opts.AltiVec) 612 Res.push_back("-faltivec"); 613 if (Opts.Exceptions) 614 Res.push_back("-fexceptions"); 615 if (Opts.ObjCExceptions) 616 Res.push_back("-fobjc-exceptions"); 617 if (Opts.CXXExceptions) 618 Res.push_back("-fcxx-exceptions"); 619 if (Opts.SjLjExceptions) 620 Res.push_back("-fsjlj-exceptions"); 621 if (Opts.TraditionalCPP) 622 Res.push_back("-traditional-cpp"); 623 if (!Opts.RTTI) 624 Res.push_back("-fno-rtti"); 625 if (Opts.MSBitfields) 626 Res.push_back("-mms-bitfields"); 627 if (!Opts.NeXTRuntime) 628 Res.push_back("-fgnu-runtime"); 629 if (Opts.Freestanding) 630 Res.push_back("-ffreestanding"); 631 if (Opts.NoBuiltin) 632 Res.push_back("-fno-builtin"); 633 if (!Opts.AssumeSaneOperatorNew) 634 Res.push_back("-fno-assume-sane-operator-new"); 635 if (!Opts.ThreadsafeStatics) 636 Res.push_back("-fno-threadsafe-statics"); 637 if (Opts.POSIXThreads) 638 Res.push_back("-pthread"); 639 if (Opts.Blocks) 640 Res.push_back("-fblocks"); 641 if (Opts.ResetLocalBlocks) 642 Res.push_back("-freset-local-blocks"); 643 if (Opts.EmitAllDecls) 644 Res.push_back("-femit-all-decls"); 645 if (Opts.MathErrno) 646 Res.push_back("-fmath-errno"); 647 switch (Opts.getSignedOverflowBehavior()) { 648 case LangOptions::SOB_Undefined: break; 649 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 650 case LangOptions::SOB_Trapping: 651 Res.push_back("-ftrapv"); break; 652 if (!Opts.OverflowHandler.empty()) { 653 Res.push_back("-ftrapv-handler"); 654 Res.push_back(Opts.OverflowHandler); 655 } 656 } 657 if (Opts.HeinousExtensions) 658 Res.push_back("-fheinous-gnu-extensions"); 659 // Optimize is implicit. 660 // OptimizeSize is implicit. 661 if (Opts.Static) 662 Res.push_back("-static-define"); 663 if (Opts.DumpRecordLayouts) 664 Res.push_back("-fdump-record-layouts"); 665 if (Opts.DumpVTableLayouts) 666 Res.push_back("-fdump-vtable-layouts"); 667 if (Opts.NoBitFieldTypeAlign) 668 Res.push_back("-fno-bitfield-type-alignment"); 669 if (Opts.PICLevel) { 670 Res.push_back("-pic-level"); 671 Res.push_back(llvm::utostr(Opts.PICLevel)); 672 } 673 if (Opts.ObjCGCBitmapPrint) 674 Res.push_back("-print-ivar-layout"); 675 if (Opts.NoConstantCFStrings) 676 Res.push_back("-fno-constant-cfstrings"); 677 if (!Opts.AccessControl) 678 Res.push_back("-fno-access-control"); 679 if (!Opts.CharIsSigned) 680 Res.push_back("-fno-signed-char"); 681 if (Opts.ShortWChar) 682 Res.push_back("-fshort-wchar"); 683 if (!Opts.ElideConstructors) 684 Res.push_back("-fno-elide-constructors"); 685 if (Opts.getGCMode() != LangOptions::NonGC) { 686 if (Opts.getGCMode() == LangOptions::HybridGC) { 687 Res.push_back("-fobjc-gc"); 688 } else { 689 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 690 Res.push_back("-fobjc-gc-only"); 691 } 692 } 693 if (Opts.ObjCAutoRefCount) 694 Res.push_back("-fobjc-arc"); 695 if (Opts.ObjCNoAutoRefCountRuntime) 696 Res.push_back("-fobjc-no-arc-runtime"); 697 if (!Opts.ObjCInferRelatedResultType) 698 Res.push_back("-fno-objc-infer-related-result-type"); 699 700 if (Opts.AppleKext) 701 Res.push_back("-fapple-kext"); 702 703 if (Opts.getVisibilityMode() != DefaultVisibility) { 704 Res.push_back("-fvisibility"); 705 if (Opts.getVisibilityMode() == HiddenVisibility) { 706 Res.push_back("hidden"); 707 } else { 708 assert(Opts.getVisibilityMode() == ProtectedVisibility && 709 "Invalid visibility!"); 710 Res.push_back("protected"); 711 } 712 } 713 if (Opts.InlineVisibilityHidden) 714 Res.push_back("-fvisibility-inlines-hidden"); 715 716 if (Opts.getStackProtectorMode() != 0) { 717 Res.push_back("-stack-protector"); 718 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 719 } 720 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 721 Res.push_back("-ftemplate-depth"); 722 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 723 } 724 if (!Opts.ObjCConstantStringClass.empty()) { 725 Res.push_back("-fconstant-string-class"); 726 Res.push_back(Opts.ObjCConstantStringClass); 727 } 728 if (Opts.FakeAddressSpaceMap) 729 Res.push_back("-ffake-address-space-map"); 730 if (Opts.ParseUnknownAnytype) 731 Res.push_back("-funknown-anytype"); 732 if (Opts.DelayedTemplateParsing) 733 Res.push_back("-fdelayed-template-parsing"); 734 if (Opts.Deprecated) 735 Res.push_back("-fdeprecated-macro"); 736 } 737 738 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 739 std::vector<std::string> &Res) { 740 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 741 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 742 Opts.Macros[i].first); 743 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 744 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 745 Res.push_back("-include"); 746 Res.push_back(Opts.Includes[i]); 747 } 748 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 749 Res.push_back("-imacros"); 750 Res.push_back(Opts.MacroIncludes[i]); 751 } 752 if (!Opts.UsePredefines) 753 Res.push_back("-undef"); 754 if (Opts.DetailedRecord) 755 Res.push_back("-detailed-preprocessing-record"); 756 if (!Opts.ImplicitPCHInclude.empty()) { 757 Res.push_back("-include-pch"); 758 Res.push_back(Opts.ImplicitPCHInclude); 759 } 760 if (!Opts.ImplicitPTHInclude.empty()) { 761 Res.push_back("-include-pth"); 762 Res.push_back(Opts.ImplicitPTHInclude); 763 } 764 if (!Opts.TokenCache.empty()) { 765 if (Opts.ImplicitPTHInclude.empty()) { 766 Res.push_back("-token-cache"); 767 Res.push_back(Opts.TokenCache); 768 } else 769 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 770 "Unsupported option combination!"); 771 } 772 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 773 Res.push_back("-chain-include"); 774 Res.push_back(Opts.ChainedIncludes[i]); 775 } 776 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 777 Res.push_back("-remap-file"); 778 Res.push_back(Opts.RemappedFiles[i].first + ";" + 779 Opts.RemappedFiles[i].second); 780 } 781 } 782 783 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 784 std::vector<std::string> &Res) { 785 if (!Opts.ShowCPP && !Opts.ShowMacros) 786 llvm::report_fatal_error("Invalid option combination!"); 787 788 if (Opts.ShowCPP && Opts.ShowMacros) 789 Res.push_back("-dD"); 790 else if (!Opts.ShowCPP && Opts.ShowMacros) 791 Res.push_back("-dM"); 792 793 if (!Opts.ShowLineMarkers) 794 Res.push_back("-P"); 795 if (Opts.ShowComments) 796 Res.push_back("-C"); 797 if (Opts.ShowMacroComments) 798 Res.push_back("-CC"); 799 } 800 801 static void TargetOptsToArgs(const TargetOptions &Opts, 802 std::vector<std::string> &Res) { 803 Res.push_back("-triple"); 804 Res.push_back(Opts.Triple); 805 if (!Opts.CPU.empty()) { 806 Res.push_back("-target-cpu"); 807 Res.push_back(Opts.CPU); 808 } 809 if (!Opts.ABI.empty()) { 810 Res.push_back("-target-abi"); 811 Res.push_back(Opts.ABI); 812 } 813 if (!Opts.LinkerVersion.empty()) { 814 Res.push_back("-target-linker-version"); 815 Res.push_back(Opts.LinkerVersion); 816 } 817 if (!Opts.CXXABI.empty()) { 818 Res.push_back("-cxx-abi"); 819 Res.push_back(Opts.CXXABI); 820 } 821 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 822 Res.push_back("-target-feature"); 823 Res.push_back(Opts.Features[i]); 824 } 825 } 826 827 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 828 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 829 CodeGenOptsToArgs(getCodeGenOpts(), Res); 830 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 831 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 832 FileSystemOptsToArgs(getFileSystemOpts(), Res); 833 FrontendOptsToArgs(getFrontendOpts(), Res); 834 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 835 LangOptsToArgs(getLangOpts(), Res); 836 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 837 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 838 TargetOptsToArgs(getTargetOpts(), Res); 839 } 840 841 //===----------------------------------------------------------------------===// 842 // Deserialization (to args) 843 //===----------------------------------------------------------------------===// 844 845 using namespace clang::driver; 846 using namespace clang::driver::cc1options; 847 848 // 849 850 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 851 Diagnostic &Diags) { 852 unsigned DefaultOpt = 0; 853 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 854 DefaultOpt = 2; 855 // -Os/-Oz implies -O2 856 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 857 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 858 } 859 860 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 861 Diagnostic &Diags) { 862 using namespace cc1options; 863 864 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 865 llvm::StringRef Name = A->getValue(Args); 866 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 867 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 868 .Case(CMDFLAG, NAME##Model) 869 #include "clang/Frontend/Analyses.def" 870 .Default(NumStores); 871 // FIXME: Error handling. 872 if (Value == NumStores) 873 Diags.Report(diag::err_drv_invalid_value) 874 << A->getAsString(Args) << Name; 875 else 876 Opts.AnalysisStoreOpt = Value; 877 } 878 879 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 880 llvm::StringRef Name = A->getValue(Args); 881 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 882 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 883 .Case(CMDFLAG, NAME##Model) 884 #include "clang/Frontend/Analyses.def" 885 .Default(NumConstraints); 886 // FIXME: Error handling. 887 if (Value == NumConstraints) 888 Diags.Report(diag::err_drv_invalid_value) 889 << A->getAsString(Args) << Name; 890 else 891 Opts.AnalysisConstraintsOpt = Value; 892 } 893 894 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 895 llvm::StringRef Name = A->getValue(Args); 896 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 897 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 898 .Case(CMDFLAG, PD_##NAME) 899 #include "clang/Frontend/Analyses.def" 900 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 901 // FIXME: Error handling. 902 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 903 Diags.Report(diag::err_drv_invalid_value) 904 << A->getAsString(Args) << Name; 905 else 906 Opts.AnalysisDiagOpt = Value; 907 } 908 909 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 910 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 911 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 912 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 913 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 914 Opts.AnalyzeNestedBlocks = 915 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 916 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 917 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 918 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 919 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 920 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 921 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 922 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 923 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 924 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 925 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 926 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 927 928 Opts.CheckersControlList.clear(); 929 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 930 OPT_analyzer_disable_checker), 931 ie = Args.filtered_end(); it != ie; ++it) { 932 const Arg *A = *it; 933 A->claim(); 934 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 935 // We can have a list of comma separated checker names, e.g: 936 // '-analyzer-checker=cocoa,unix' 937 llvm::StringRef checkerList = A->getValue(Args); 938 llvm::SmallVector<llvm::StringRef, 4> checkers; 939 checkerList.split(checkers, ","); 940 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 941 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 942 } 943 } 944 945 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 946 Diagnostic &Diags) { 947 using namespace cc1options; 948 949 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 950 if (Opts.OptimizationLevel > 3) { 951 Diags.Report(diag::err_drv_invalid_value) 952 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 953 Opts.OptimizationLevel = 3; 954 } 955 956 // We must always run at least the always inlining pass. 957 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 958 : CodeGenOptions::OnlyAlwaysInlining; 959 960 Opts.DebugInfo = Args.hasArg(OPT_g); 961 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 962 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 963 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 964 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 965 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 966 OPT_fuse_register_sized_bitfield_access); 967 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 968 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 969 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 970 Opts.NoCommon = Args.hasArg(OPT_fno_common); 971 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 972 Opts.OptimizeSize = Args.hasArg(OPT_Os); 973 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 974 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 975 Args.hasArg(OPT_ffreestanding)); 976 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 977 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 978 979 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 980 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 981 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 982 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 983 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 984 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 985 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 986 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 987 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 988 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 989 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 990 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 991 Args.hasArg(OPT_cl_fast_relaxed_math); 992 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 993 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 994 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 995 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 996 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 997 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 998 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 999 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1000 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1001 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1002 Args.hasArg(OPT_cl_fast_relaxed_math); 1003 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1004 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1005 1006 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1007 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1008 1009 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1010 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1011 1012 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1013 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1014 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1015 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1016 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1017 1018 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1019 llvm::StringRef Name = A->getValue(Args); 1020 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1021 .Case("legacy", CodeGenOptions::Legacy) 1022 .Case("non-legacy", CodeGenOptions::NonLegacy) 1023 .Case("mixed", CodeGenOptions::Mixed) 1024 .Default(~0U); 1025 if (Method == ~0U) 1026 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1027 else 1028 Opts.ObjCDispatchMethod = Method; 1029 } 1030 } 1031 1032 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1033 ArgList &Args) { 1034 using namespace cc1options; 1035 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1036 Opts.Targets = Args.getAllArgValues(OPT_MT); 1037 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1038 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1039 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1040 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1041 } 1042 1043 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1044 Diagnostic &Diags) { 1045 using namespace cc1options; 1046 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1047 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1048 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1049 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1050 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1051 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1052 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1053 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1054 OPT_fno_show_column, 1055 /*Default=*/true); 1056 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1057 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1058 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1059 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1060 1061 // Default behavior is to not to show note include stacks. 1062 Opts.ShowNoteIncludeStack = false; 1063 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1064 OPT_fno_diagnostics_show_note_include_stack)) 1065 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1066 Opts.ShowNoteIncludeStack = true; 1067 1068 llvm::StringRef ShowOverloads = 1069 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1070 if (ShowOverloads == "best") 1071 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1072 else if (ShowOverloads == "all") 1073 Opts.ShowOverloads = Diagnostic::Ovl_All; 1074 else 1075 Diags.Report(diag::err_drv_invalid_value) 1076 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1077 << ShowOverloads; 1078 1079 llvm::StringRef ShowCategory = 1080 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1081 if (ShowCategory == "none") 1082 Opts.ShowCategories = 0; 1083 else if (ShowCategory == "id") 1084 Opts.ShowCategories = 1; 1085 else if (ShowCategory == "name") 1086 Opts.ShowCategories = 2; 1087 else 1088 Diags.Report(diag::err_drv_invalid_value) 1089 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1090 << ShowCategory; 1091 1092 llvm::StringRef Format = 1093 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1094 if (Format == "clang") 1095 Opts.Format = DiagnosticOptions::Clang; 1096 else if (Format == "msvc") 1097 Opts.Format = DiagnosticOptions::Msvc; 1098 else if (Format == "vi") 1099 Opts.Format = DiagnosticOptions::Vi; 1100 else 1101 Diags.Report(diag::err_drv_invalid_value) 1102 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1103 << Format; 1104 1105 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1106 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1107 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1108 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1109 Opts.MacroBacktraceLimit 1110 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1111 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1112 Opts.TemplateBacktraceLimit 1113 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1114 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1115 Diags); 1116 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1117 DiagnosticOptions::DefaultTabStop, Diags); 1118 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1119 Diags.Report(diag::warn_ignoring_ftabstop_value) 1120 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1121 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1122 } 1123 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1124 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1125 Opts.Warnings = Args.getAllArgValues(OPT_W); 1126 } 1127 1128 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1129 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1130 } 1131 1132 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1133 Diagnostic &Diags) { 1134 using namespace cc1options; 1135 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1136 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1137 switch (A->getOption().getID()) { 1138 default: 1139 assert(0 && "Invalid option in group!"); 1140 case OPT_ast_dump: 1141 Opts.ProgramAction = frontend::ASTDump; break; 1142 case OPT_ast_dump_xml: 1143 Opts.ProgramAction = frontend::ASTDumpXML; break; 1144 case OPT_ast_print: 1145 Opts.ProgramAction = frontend::ASTPrint; break; 1146 case OPT_ast_view: 1147 Opts.ProgramAction = frontend::ASTView; break; 1148 case OPT_boostcon: 1149 Opts.ProgramAction = frontend::BoostCon; break; 1150 case OPT_dump_raw_tokens: 1151 Opts.ProgramAction = frontend::DumpRawTokens; break; 1152 case OPT_dump_tokens: 1153 Opts.ProgramAction = frontend::DumpTokens; break; 1154 case OPT_S: 1155 Opts.ProgramAction = frontend::EmitAssembly; break; 1156 case OPT_emit_llvm_bc: 1157 Opts.ProgramAction = frontend::EmitBC; break; 1158 case OPT_emit_html: 1159 Opts.ProgramAction = frontend::EmitHTML; break; 1160 case OPT_emit_llvm: 1161 Opts.ProgramAction = frontend::EmitLLVM; break; 1162 case OPT_emit_llvm_only: 1163 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1164 case OPT_emit_codegen_only: 1165 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1166 case OPT_emit_obj: 1167 Opts.ProgramAction = frontend::EmitObj; break; 1168 case OPT_fixit_EQ: 1169 Opts.FixItSuffix = A->getValue(Args); 1170 // fall-through! 1171 case OPT_fixit: 1172 Opts.ProgramAction = frontend::FixIt; break; 1173 case OPT_emit_pch: 1174 Opts.ProgramAction = frontend::GeneratePCH; break; 1175 case OPT_emit_pth: 1176 Opts.ProgramAction = frontend::GeneratePTH; break; 1177 case OPT_init_only: 1178 Opts.ProgramAction = frontend::InitOnly; break; 1179 case OPT_fsyntax_only: 1180 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1181 case OPT_print_decl_contexts: 1182 Opts.ProgramAction = frontend::PrintDeclContext; break; 1183 case OPT_print_preamble: 1184 Opts.ProgramAction = frontend::PrintPreamble; break; 1185 case OPT_E: 1186 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1187 case OPT_rewrite_macros: 1188 Opts.ProgramAction = frontend::RewriteMacros; break; 1189 case OPT_rewrite_objc: 1190 Opts.ProgramAction = frontend::RewriteObjC; break; 1191 case OPT_rewrite_test: 1192 Opts.ProgramAction = frontend::RewriteTest; break; 1193 case OPT_analyze: 1194 Opts.ProgramAction = frontend::RunAnalysis; break; 1195 case OPT_Eonly: 1196 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1197 case OPT_create_module: 1198 Opts.ProgramAction = frontend::CreateModule; break; 1199 } 1200 } 1201 1202 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1203 Opts.Plugins.push_back(A->getValue(Args,0)); 1204 Opts.ProgramAction = frontend::PluginAction; 1205 Opts.ActionName = A->getValue(Args); 1206 1207 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1208 end = Args.filtered_end(); it != end; ++it) { 1209 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1210 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1211 } 1212 } 1213 1214 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1215 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1216 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1217 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1218 end = Args.filtered_end(); it != end; ++it) { 1219 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1220 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1221 } 1222 } 1223 1224 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1225 Opts.CodeCompletionAt = 1226 ParsedSourceLocation::FromString(A->getValue(Args)); 1227 if (Opts.CodeCompletionAt.FileName.empty()) 1228 Diags.Report(diag::err_drv_invalid_value) 1229 << A->getAsString(Args) << A->getValue(Args); 1230 } 1231 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1232 1233 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1234 Opts.Plugins = Args.getAllArgValues(OPT_load); 1235 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1236 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1237 Opts.ShowHelp = Args.hasArg(OPT_help); 1238 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1239 Opts.ShowCodePatternsInCodeCompletion 1240 = Args.hasArg(OPT_code_completion_patterns); 1241 Opts.ShowGlobalSymbolsInCodeCompletion 1242 = !Args.hasArg(OPT_no_code_completion_globals); 1243 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1244 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1245 Opts.ShowVersion = Args.hasArg(OPT_version); 1246 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1247 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1248 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1249 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1250 1251 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1252 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1253 OPT_arcmt_modify)) { 1254 switch (A->getOption().getID()) { 1255 default: 1256 llvm_unreachable("missed a case"); 1257 case OPT_arcmt_check: 1258 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1259 break; 1260 case OPT_arcmt_modify: 1261 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1262 break; 1263 } 1264 } 1265 1266 InputKind DashX = IK_None; 1267 if (const Arg *A = Args.getLastArg(OPT_x)) { 1268 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1269 .Case("c", IK_C) 1270 .Case("cl", IK_OpenCL) 1271 .Case("cuda", IK_CUDA) 1272 .Case("c++", IK_CXX) 1273 .Case("objective-c", IK_ObjC) 1274 .Case("objective-c++", IK_ObjCXX) 1275 .Case("cpp-output", IK_PreprocessedC) 1276 .Case("assembler-with-cpp", IK_Asm) 1277 .Case("c++-cpp-output", IK_PreprocessedCXX) 1278 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1279 .Case("objc-cpp-output", IK_PreprocessedObjC) 1280 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1281 .Case("c-header", IK_C) 1282 .Case("objective-c-header", IK_ObjC) 1283 .Case("c++-header", IK_CXX) 1284 .Case("objective-c++-header", IK_ObjCXX) 1285 .Case("ast", IK_AST) 1286 .Case("ir", IK_LLVM_IR) 1287 .Default(IK_None); 1288 if (DashX == IK_None) 1289 Diags.Report(diag::err_drv_invalid_value) 1290 << A->getAsString(Args) << A->getValue(Args); 1291 } 1292 1293 // '-' is the default input if none is given. 1294 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1295 Opts.Inputs.clear(); 1296 if (Inputs.empty()) 1297 Inputs.push_back("-"); 1298 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1299 InputKind IK = DashX; 1300 if (IK == IK_None) { 1301 IK = FrontendOptions::getInputKindForExtension( 1302 llvm::StringRef(Inputs[i]).rsplit('.').second); 1303 // FIXME: Remove this hack. 1304 if (i == 0) 1305 DashX = IK; 1306 } 1307 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1308 } 1309 1310 return DashX; 1311 } 1312 1313 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1314 void *MainAddr) { 1315 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1316 1317 if (!P.isEmpty()) { 1318 P.eraseComponent(); // Remove /clang from foo/bin/clang 1319 P.eraseComponent(); // Remove /bin from foo/bin 1320 1321 // Get foo/lib/clang/<version>/include 1322 P.appendComponent("lib"); 1323 P.appendComponent("clang"); 1324 P.appendComponent(CLANG_VERSION_STRING); 1325 } 1326 1327 return P.str(); 1328 } 1329 1330 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1331 using namespace cc1options; 1332 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1333 Opts.Verbose = Args.hasArg(OPT_v); 1334 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1335 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1336 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1337 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1338 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1339 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1340 1341 // Add -I... and -F... options in order. 1342 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1343 ie = Args.filtered_end(); it != ie; ++it) 1344 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1345 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1346 1347 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1348 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1349 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1350 OPT_iwithprefixbefore), 1351 ie = Args.filtered_end(); it != ie; ++it) { 1352 const Arg *A = *it; 1353 if (A->getOption().matches(OPT_iprefix)) 1354 Prefix = A->getValue(Args); 1355 else if (A->getOption().matches(OPT_iwithprefix)) 1356 Opts.AddPath(Prefix.str() + A->getValue(Args), 1357 frontend::System, false, false, false); 1358 else 1359 Opts.AddPath(Prefix.str() + A->getValue(Args), 1360 frontend::Angled, false, false, false); 1361 } 1362 1363 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1364 ie = Args.filtered_end(); it != ie; ++it) 1365 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1366 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1367 ie = Args.filtered_end(); it != ie; ++it) 1368 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1369 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1370 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1371 Opts.AddPath((*it)->getValue(Args), 1372 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1373 frontend::CXXSystem : frontend::System), 1374 true, false, !(*it)->getOption().matches(OPT_iwithsysroot)); 1375 1376 // FIXME: Need options for the various environment variables! 1377 } 1378 1379 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1380 LangStandard::Kind LangStd) { 1381 // Set some properties which depend solely on the input kind; it would be nice 1382 // to move these to the language standard, and have the driver resolve the 1383 // input kind + language standard. 1384 if (IK == IK_Asm) { 1385 Opts.AsmPreprocessor = 1; 1386 } else if (IK == IK_ObjC || 1387 IK == IK_ObjCXX || 1388 IK == IK_PreprocessedObjC || 1389 IK == IK_PreprocessedObjCXX) { 1390 Opts.ObjC1 = Opts.ObjC2 = 1; 1391 } 1392 1393 if (LangStd == LangStandard::lang_unspecified) { 1394 // Based on the base language, pick one. 1395 switch (IK) { 1396 case IK_None: 1397 case IK_AST: 1398 case IK_LLVM_IR: 1399 assert(0 && "Invalid input kind!"); 1400 case IK_OpenCL: 1401 LangStd = LangStandard::lang_opencl; 1402 break; 1403 case IK_CUDA: 1404 LangStd = LangStandard::lang_cuda; 1405 break; 1406 case IK_Asm: 1407 case IK_C: 1408 case IK_PreprocessedC: 1409 case IK_ObjC: 1410 case IK_PreprocessedObjC: 1411 LangStd = LangStandard::lang_gnu99; 1412 break; 1413 case IK_CXX: 1414 case IK_PreprocessedCXX: 1415 case IK_ObjCXX: 1416 case IK_PreprocessedObjCXX: 1417 LangStd = LangStandard::lang_gnucxx98; 1418 break; 1419 } 1420 } 1421 1422 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1423 Opts.BCPLComment = Std.hasBCPLComments(); 1424 Opts.C99 = Std.isC99(); 1425 Opts.C1X = Std.isC1X(); 1426 Opts.CPlusPlus = Std.isCPlusPlus(); 1427 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1428 Opts.Digraphs = Std.hasDigraphs(); 1429 Opts.GNUMode = Std.isGNUMode(); 1430 Opts.GNUInline = !Std.isC99(); 1431 Opts.HexFloats = Std.hasHexFloats(); 1432 Opts.ImplicitInt = Std.hasImplicitInt(); 1433 1434 // OpenCL has some additional defaults. 1435 if (LangStd == LangStandard::lang_opencl) { 1436 Opts.OpenCL = 1; 1437 Opts.AltiVec = 1; 1438 Opts.CXXOperatorNames = 1; 1439 Opts.LaxVectorConversions = 1; 1440 Opts.DefaultFPContract = 1; 1441 } 1442 1443 if (LangStd == LangStandard::lang_cuda) 1444 Opts.CUDA = 1; 1445 1446 // OpenCL and C++ both have bool, true, false keywords. 1447 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1448 1449 Opts.GNUKeywords = Opts.GNUMode; 1450 Opts.CXXOperatorNames = Opts.CPlusPlus; 1451 1452 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1453 // is specified, or -std is set to a conforming mode. 1454 Opts.Trigraphs = !Opts.GNUMode; 1455 1456 Opts.DollarIdents = !Opts.AsmPreprocessor; 1457 } 1458 1459 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1460 Diagnostic &Diags) { 1461 // FIXME: Cleanup per-file based stuff. 1462 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1463 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1464 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1465 #define LANGSTANDARD(id, name, desc, features) \ 1466 .Case(name, LangStandard::lang_##id) 1467 #include "clang/Frontend/LangStandards.def" 1468 .Default(LangStandard::lang_unspecified); 1469 if (LangStd == LangStandard::lang_unspecified) 1470 Diags.Report(diag::err_drv_invalid_value) 1471 << A->getAsString(Args) << A->getValue(Args); 1472 else { 1473 // Valid standard, check to make sure language and standard are compatable. 1474 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1475 switch (IK) { 1476 case IK_C: 1477 case IK_ObjC: 1478 case IK_PreprocessedC: 1479 case IK_PreprocessedObjC: 1480 if (!(Std.isC89() || Std.isC99())) 1481 Diags.Report(diag::err_drv_argument_not_allowed_with) 1482 << A->getAsString(Args) << "C/ObjC"; 1483 break; 1484 case IK_CXX: 1485 case IK_ObjCXX: 1486 case IK_PreprocessedCXX: 1487 case IK_PreprocessedObjCXX: 1488 if (!Std.isCPlusPlus()) 1489 Diags.Report(diag::err_drv_argument_not_allowed_with) 1490 << A->getAsString(Args) << "C++/ObjC++"; 1491 break; 1492 case IK_OpenCL: 1493 if (!Std.isC99()) 1494 Diags.Report(diag::err_drv_argument_not_allowed_with) 1495 << A->getAsString(Args) << "OpenCL"; 1496 break; 1497 case IK_CUDA: 1498 if (!Std.isCPlusPlus()) 1499 Diags.Report(diag::err_drv_argument_not_allowed_with) 1500 << A->getAsString(Args) << "CUDA"; 1501 break; 1502 default: 1503 break; 1504 } 1505 } 1506 } 1507 1508 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1509 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1510 Diags.Report(diag::err_drv_invalid_value) 1511 << A->getAsString(Args) << A->getValue(Args); 1512 } 1513 } 1514 1515 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1516 1517 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1518 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1519 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1520 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1521 // name, as it doesn't seem a useful distinction. 1522 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1523 Opts.GNUKeywords); 1524 1525 if (Args.hasArg(OPT_fno_operator_names)) 1526 Opts.CXXOperatorNames = 0; 1527 1528 if (Opts.ObjC1) { 1529 if (Args.hasArg(OPT_fobjc_gc_only)) 1530 Opts.setGCMode(LangOptions::GCOnly); 1531 else if (Args.hasArg(OPT_fobjc_gc)) 1532 Opts.setGCMode(LangOptions::HybridGC); 1533 else if (Args.hasArg(OPT_fobjc_arc)) { 1534 Opts.ObjCAutoRefCount = 1; 1535 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1536 Diags.Report(diag::err_arc_nonfragile_abi); 1537 if (Args.hasArg(OPT_fobjc_no_arc_runtime)) 1538 Opts.ObjCNoAutoRefCountRuntime = 1; 1539 } 1540 1541 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1542 Opts.ObjCInferRelatedResultType = 0; 1543 } 1544 1545 if (Args.hasArg(OPT_fgnu89_inline)) 1546 Opts.GNUInline = 1; 1547 1548 if (Args.hasArg(OPT_fapple_kext)) { 1549 if (!Opts.CPlusPlus) 1550 Diags.Report(diag::warn_c_kext); 1551 else 1552 Opts.AppleKext = 1; 1553 } 1554 1555 if (Args.hasArg(OPT_print_ivar_layout)) 1556 Opts.ObjCGCBitmapPrint = 1; 1557 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1558 Opts.NoConstantCFStrings = 1; 1559 1560 if (Args.hasArg(OPT_faltivec)) 1561 Opts.AltiVec = 1; 1562 1563 if (Args.hasArg(OPT_pthread)) 1564 Opts.POSIXThreads = 1; 1565 1566 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1567 Opts.DelayedTemplateParsing = 1; 1568 1569 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1570 if (Vis == "default") 1571 Opts.setVisibilityMode(DefaultVisibility); 1572 else if (Vis == "hidden") 1573 Opts.setVisibilityMode(HiddenVisibility); 1574 else if (Vis == "protected") 1575 Opts.setVisibilityMode(ProtectedVisibility); 1576 else 1577 Diags.Report(diag::err_drv_invalid_value) 1578 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1579 1580 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1581 Opts.InlineVisibilityHidden = 1; 1582 1583 if (Args.hasArg(OPT_ftrapv)) { 1584 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1585 // Set the handler, if one is specified. 1586 Opts.OverflowHandler = 1587 Args.getLastArgValue(OPT_ftrapv_handler); 1588 } 1589 else if (Args.hasArg(OPT_fwrapv)) 1590 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1591 1592 if (Args.hasArg(OPT_trigraphs)) 1593 Opts.Trigraphs = 1; 1594 1595 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1596 OPT_fno_dollars_in_identifiers, 1597 Opts.DollarIdents); 1598 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1599 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1600 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1601 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1602 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1603 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1604 Opts.ConstStrings); 1605 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1606 Opts.LaxVectorConversions = 0; 1607 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1608 Opts.ThreadsafeStatics = 0; 1609 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1610 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1611 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1612 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1613 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1614 1615 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1616 Opts.Blocks = Args.hasArg(OPT_fblocks); 1617 Opts.ResetLocalBlocks = Args.hasArg(OPT_freset_local_blocks); 1618 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1619 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1620 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1621 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1622 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1623 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1624 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1625 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1626 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1627 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1628 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1629 Diags); 1630 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1631 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1632 0, Diags); 1633 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1634 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1635 Opts.ObjCConstantStringClass = 1636 Args.getLastArgValue(OPT_fconstant_string_class); 1637 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1638 if (Opts.ObjCNonFragileABI) 1639 Opts.ObjCNonFragileABI2 = true; 1640 Opts.ObjCDefaultSynthProperties = 1641 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1642 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1643 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1644 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1645 Opts.Static = Args.hasArg(OPT_static_define); 1646 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1647 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1648 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1649 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1650 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1651 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1652 Opts.OptimizeSize = 0; 1653 Opts.MRTD = Args.hasArg(OPT_mrtd); 1654 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1655 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1656 1657 // Record whether the __DEPRECATED define was requested. 1658 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1659 OPT_fno_deprecated_macro, 1660 Opts.Deprecated); 1661 1662 // FIXME: Eliminate this dependency. 1663 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1664 Opts.Optimize = Opt != 0; 1665 1666 // This is the __NO_INLINE__ define, which just depends on things like the 1667 // optimization level and -fno-inline, not actually whether the backend has 1668 // inlining enabled. 1669 // 1670 // FIXME: This is affected by other options (-fno-inline). 1671 Opts.NoInline = !Opt; 1672 1673 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1674 switch (SSP) { 1675 default: 1676 Diags.Report(diag::err_drv_invalid_value) 1677 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1678 break; 1679 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1680 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1681 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1682 } 1683 } 1684 1685 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1686 FileManager &FileMgr, 1687 Diagnostic &Diags) { 1688 using namespace cc1options; 1689 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1690 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1691 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1692 Opts.TokenCache = A->getValue(Args); 1693 else 1694 Opts.TokenCache = Opts.ImplicitPTHInclude; 1695 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1696 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1697 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1698 1699 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1700 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1701 ie = Args.filtered_end(); it != ie; ++it) { 1702 const Arg *A = *it; 1703 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1704 } 1705 1706 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1707 llvm::StringRef Value(A->getValue(Args)); 1708 size_t Comma = Value.find(','); 1709 unsigned Bytes = 0; 1710 unsigned EndOfLine = 0; 1711 1712 if (Comma == llvm::StringRef::npos || 1713 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1714 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1715 Diags.Report(diag::err_drv_preamble_format); 1716 else { 1717 Opts.PrecompiledPreambleBytes.first = Bytes; 1718 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1719 } 1720 } 1721 1722 // Add macros from the command line. 1723 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1724 ie = Args.filtered_end(); it != ie; ++it) { 1725 if ((*it)->getOption().matches(OPT_D)) 1726 Opts.addMacroDef((*it)->getValue(Args)); 1727 else 1728 Opts.addMacroUndef((*it)->getValue(Args)); 1729 } 1730 1731 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1732 1733 // Add the ordered list of -includes. 1734 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1735 OPT_include_pth), 1736 ie = Args.filtered_end(); it != ie; ++it) { 1737 const Arg *A = *it; 1738 // PCH is handled specially, we need to extra the original include path. 1739 if (A->getOption().matches(OPT_include_pch)) { 1740 std::string OriginalFile = 1741 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1742 if (OriginalFile.empty()) 1743 continue; 1744 1745 Opts.Includes.push_back(OriginalFile); 1746 } else 1747 Opts.Includes.push_back(A->getValue(Args)); 1748 } 1749 1750 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1751 ie = Args.filtered_end(); it != ie; ++it) { 1752 const Arg *A = *it; 1753 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1754 } 1755 1756 // Include 'altivec.h' if -faltivec option present 1757 if (Args.hasArg(OPT_faltivec)) 1758 Opts.Includes.push_back("altivec.h"); 1759 1760 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1761 ie = Args.filtered_end(); it != ie; ++it) { 1762 const Arg *A = *it; 1763 std::pair<llvm::StringRef,llvm::StringRef> Split = 1764 llvm::StringRef(A->getValue(Args)).split(';'); 1765 1766 if (Split.second.empty()) { 1767 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1768 continue; 1769 } 1770 1771 Opts.addRemappedFile(Split.first, Split.second); 1772 } 1773 1774 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1775 llvm::StringRef Name = A->getValue(Args); 1776 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1777 .Case("libc++", ARCXX_libcxx) 1778 .Case("libstdc++", ARCXX_libstdcxx) 1779 .Case("none", ARCXX_nolib) 1780 .Default(~0U); 1781 if (Library == ~0U) 1782 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1783 else 1784 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1785 } 1786 } 1787 1788 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1789 ArgList &Args) { 1790 using namespace cc1options; 1791 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1792 Opts.ShowComments = Args.hasArg(OPT_C); 1793 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1794 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1795 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1796 } 1797 1798 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1799 using namespace cc1options; 1800 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1801 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1802 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1803 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1804 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1805 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1806 1807 // Use the host triple if unspecified. 1808 if (Opts.Triple.empty()) 1809 Opts.Triple = llvm::sys::getHostTriple(); 1810 } 1811 1812 // 1813 1814 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1815 const char *const *ArgBegin, 1816 const char *const *ArgEnd, 1817 Diagnostic &Diags) { 1818 // Parse the arguments. 1819 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1820 unsigned MissingArgIndex, MissingArgCount; 1821 llvm::OwningPtr<InputArgList> Args( 1822 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1823 1824 // Check for missing argument error. 1825 if (MissingArgCount) 1826 Diags.Report(diag::err_drv_missing_argument) 1827 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1828 1829 // Issue errors on unknown arguments. 1830 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1831 ie = Args->filtered_end(); it != ie; ++it) 1832 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1833 1834 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1835 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1836 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1837 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1838 // FIXME: We shouldn't have to pass the DashX option around here 1839 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1840 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1841 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1842 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1843 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1844 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1845 Res.getLangOpts().ObjCExceptions = 1; 1846 } 1847 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1848 // PCH file and find the original header name. Remove the need to do that in 1849 // ParsePreprocessorArgs and remove the FileManager 1850 // parameters from the function and the "FileManager.h" #include. 1851 FileManager FileMgr(Res.getFileSystemOpts()); 1852 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1853 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1854 ParseTargetArgs(Res.getTargetOpts(), *Args); 1855 } 1856