1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 //===----------------------------------------------------------------------===// 64 // Serialization (to args) 65 //===----------------------------------------------------------------------===// 66 67 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 68 std::vector<std::string> &Res) { 69 if (Opts.ShowCheckerHelp) 70 Res.push_back("-analyzer-checker-help"); 71 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 72 Res.push_back("-analyzer-store"); 73 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 74 } 75 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 76 Res.push_back("-analyzer-constraints"); 77 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 78 } 79 if (Opts.AnalysisDiagOpt != PD_HTML) { 80 Res.push_back("-analyzer-output"); 81 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 82 } 83 if (!Opts.AnalyzeSpecificFunction.empty()) { 84 Res.push_back("-analyze-function"); 85 Res.push_back(Opts.AnalyzeSpecificFunction); 86 } 87 if (Opts.AnalyzeAll) 88 Res.push_back("-analyzer-opt-analyze-headers"); 89 if (Opts.AnalyzerDisplayProgress) 90 Res.push_back("-analyzer-display-progress"); 91 if (Opts.AnalyzeNestedBlocks) 92 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 93 if (Opts.EagerlyAssume) 94 Res.push_back("-analyzer-eagerly-assume"); 95 if (!Opts.PurgeDead) 96 Res.push_back("-analyzer-no-purge-dead"); 97 if (Opts.TrimGraph) 98 Res.push_back("-trim-egraph"); 99 if (Opts.VisualizeEGDot) 100 Res.push_back("-analyzer-viz-egraph-graphviz"); 101 if (Opts.VisualizeEGUbi) 102 Res.push_back("-analyzer-viz-egraph-ubigraph"); 103 104 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 105 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 106 if (opt.second) 107 Res.push_back("-analyzer-disable-checker"); 108 else 109 Res.push_back("-analyzer-checker"); 110 Res.push_back(opt.first); 111 } 112 } 113 114 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 115 std::vector<std::string> &Res) { 116 if (Opts.DebugInfo) 117 Res.push_back("-g"); 118 if (Opts.DisableLLVMOpts) 119 Res.push_back("-disable-llvm-optzns"); 120 if (Opts.DisableRedZone) 121 Res.push_back("-disable-red-zone"); 122 if (!Opts.DwarfDebugFlags.empty()) { 123 Res.push_back("-dwarf-debug-flags"); 124 Res.push_back(Opts.DwarfDebugFlags); 125 } 126 if (Opts.ObjCRuntimeHasARC) 127 Res.push_back("-fobjc-runtime-has-arc"); 128 if (Opts.EmitGcovArcs) 129 Res.push_back("-femit-coverage-data"); 130 if (Opts.EmitGcovNotes) 131 Res.push_back("-femit-coverage-notes"); 132 if (!Opts.MergeAllConstants) 133 Res.push_back("-fno-merge-all-constants"); 134 if (Opts.NoCommon) 135 Res.push_back("-fno-common"); 136 if (Opts.ForbidGuardVariables) 137 Res.push_back("-fforbid-guard-variables"); 138 if (Opts.UseRegisterSizedBitfieldAccess) 139 Res.push_back("-fuse-register-sized-bitfield-access"); 140 if (Opts.NoImplicitFloat) 141 Res.push_back("-no-implicit-float"); 142 if (Opts.OmitLeafFramePointer) 143 Res.push_back("-momit-leaf-frame-pointer"); 144 if (Opts.OptimizeSize) { 145 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 146 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 147 } else if (Opts.OptimizationLevel != 0) 148 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 149 if (!Opts.MainFileName.empty()) { 150 Res.push_back("-main-file-name"); 151 Res.push_back(Opts.MainFileName); 152 } 153 // SimplifyLibCalls is only derived. 154 // TimePasses is only derived. 155 // UnitAtATime is unused. 156 // Inlining is only derived. 157 158 // UnrollLoops is derived, but also accepts an option, no 159 // harm in pushing it back here. 160 if (Opts.UnrollLoops) 161 Res.push_back("-funroll-loops"); 162 if (Opts.DataSections) 163 Res.push_back("-fdata-sections"); 164 if (Opts.FunctionSections) 165 Res.push_back("-ffunction-sections"); 166 if (Opts.AsmVerbose) 167 Res.push_back("-masm-verbose"); 168 if (!Opts.CodeModel.empty()) { 169 Res.push_back("-mcode-model"); 170 Res.push_back(Opts.CodeModel); 171 } 172 if (!Opts.CXAAtExit) 173 Res.push_back("-fno-use-cxa-atexit"); 174 if (Opts.CXXCtorDtorAliases) 175 Res.push_back("-mconstructor-aliases"); 176 if (Opts.ObjCAutoRefCountExceptions) 177 Res.push_back("-fobjc-arc-eh"); 178 if (!Opts.DebugPass.empty()) { 179 Res.push_back("-mdebug-pass"); 180 Res.push_back(Opts.DebugPass); 181 } 182 if (Opts.DisableFPElim) 183 Res.push_back("-mdisable-fp-elim"); 184 if (!Opts.FloatABI.empty()) { 185 Res.push_back("-mfloat-abi"); 186 Res.push_back(Opts.FloatABI); 187 } 188 if (!Opts.LimitFloatPrecision.empty()) { 189 Res.push_back("-mlimit-float-precision"); 190 Res.push_back(Opts.LimitFloatPrecision); 191 } 192 if (Opts.NoZeroInitializedInBSS) 193 Res.push_back("-mno-zero-initialized-bss"); 194 switch (Opts.getObjCDispatchMethod()) { 195 case CodeGenOptions::Legacy: 196 break; 197 case CodeGenOptions::Mixed: 198 Res.push_back("-fobjc-dispatch-method=mixed"); 199 break; 200 case CodeGenOptions::NonLegacy: 201 Res.push_back("-fobjc-dispatch-method=non-legacy"); 202 break; 203 } 204 if (Opts.NumRegisterParameters) { 205 Res.push_back("-mregparm"); 206 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 207 } 208 if (Opts.NoExecStack) 209 Res.push_back("-mnoexecstack"); 210 if (Opts.RelaxAll) 211 Res.push_back("-mrelax-all"); 212 if (Opts.SaveTempLabels) 213 Res.push_back("-msave-temp-labels"); 214 if (Opts.NoDwarf2CFIAsm) 215 Res.push_back("-fno-dwarf2-cfi-asm"); 216 if (Opts.SoftFloat) 217 Res.push_back("-msoft-float"); 218 if (Opts.UnwindTables) 219 Res.push_back("-munwind-tables"); 220 if (Opts.RelocationModel != "pic") { 221 Res.push_back("-mrelocation-model"); 222 Res.push_back(Opts.RelocationModel); 223 } 224 if (!Opts.VerifyModule) 225 Res.push_back("-disable-llvm-verifier"); 226 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 227 Res.push_back("-backend-option"); 228 Res.push_back(Opts.BackendOptions[i]); 229 } 230 } 231 232 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 233 std::vector<std::string> &Res) { 234 if (Opts.IncludeSystemHeaders) 235 Res.push_back("-sys-header-deps"); 236 if (Opts.ShowHeaderIncludes) 237 Res.push_back("-H"); 238 if (!Opts.HeaderIncludeOutputFile.empty()) { 239 Res.push_back("-header-include-file"); 240 Res.push_back(Opts.HeaderIncludeOutputFile); 241 } 242 if (Opts.UsePhonyTargets) 243 Res.push_back("-MP"); 244 if (!Opts.OutputFile.empty()) { 245 Res.push_back("-dependency-file"); 246 Res.push_back(Opts.OutputFile); 247 } 248 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 249 Res.push_back("-MT"); 250 Res.push_back(Opts.Targets[i]); 251 } 252 } 253 254 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 255 std::vector<std::string> &Res) { 256 if (Opts.IgnoreWarnings) 257 Res.push_back("-w"); 258 if (Opts.NoRewriteMacros) 259 Res.push_back("-Wno-rewrite-macros"); 260 if (Opts.Pedantic) 261 Res.push_back("-pedantic"); 262 if (Opts.PedanticErrors) 263 Res.push_back("-pedantic-errors"); 264 if (!Opts.ShowColumn) 265 Res.push_back("-fno-show-column"); 266 if (!Opts.ShowLocation) 267 Res.push_back("-fno-show-source-location"); 268 if (!Opts.ShowCarets) 269 Res.push_back("-fno-caret-diagnostics"); 270 if (!Opts.ShowFixits) 271 Res.push_back("-fno-diagnostics-fixit-info"); 272 if (Opts.ShowSourceRanges) 273 Res.push_back("-fdiagnostics-print-source-range-info"); 274 if (Opts.ShowParseableFixits) 275 Res.push_back("-fdiagnostics-parseable-fixits"); 276 if (Opts.ShowColors) 277 Res.push_back("-fcolor-diagnostics"); 278 if (Opts.VerifyDiagnostics) 279 Res.push_back("-verify"); 280 if (Opts.ShowNames) 281 Res.push_back("-fdiagnostics-show-name"); 282 if (Opts.ShowOptionNames) 283 Res.push_back("-fdiagnostics-show-option"); 284 if (Opts.ShowCategories == 1) 285 Res.push_back("-fdiagnostics-show-category=id"); 286 else if (Opts.ShowCategories == 2) 287 Res.push_back("-fdiagnostics-show-category=name"); 288 switch (Opts.Format) { 289 case DiagnosticOptions::Clang: 290 Res.push_back("-fdiagnostics-format=clang"); break; 291 case DiagnosticOptions::Msvc: 292 Res.push_back("-fdiagnostics-format=msvc"); break; 293 case DiagnosticOptions::Vi: 294 Res.push_back("-fdiagnostics-format=vi"); break; 295 } 296 if (Opts.ErrorLimit) { 297 Res.push_back("-ferror-limit"); 298 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 299 } 300 if (!Opts.DiagnosticLogFile.empty()) { 301 Res.push_back("-diagnostic-log-file"); 302 Res.push_back(Opts.DiagnosticLogFile); 303 } 304 if (Opts.MacroBacktraceLimit 305 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 306 Res.push_back("-fmacro-backtrace-limit"); 307 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 308 } 309 if (Opts.TemplateBacktraceLimit 310 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 311 Res.push_back("-ftemplate-backtrace-limit"); 312 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 313 } 314 315 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 316 Res.push_back("-ftabstop"); 317 Res.push_back(llvm::utostr(Opts.TabStop)); 318 } 319 if (Opts.MessageLength) { 320 Res.push_back("-fmessage-length"); 321 Res.push_back(llvm::utostr(Opts.MessageLength)); 322 } 323 if (!Opts.DumpBuildInformation.empty()) { 324 Res.push_back("-dump-build-information"); 325 Res.push_back(Opts.DumpBuildInformation); 326 } 327 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 328 Res.push_back("-W" + Opts.Warnings[i]); 329 } 330 331 static const char *getInputKindName(InputKind Kind) { 332 switch (Kind) { 333 case IK_None: break; 334 case IK_AST: return "ast"; 335 case IK_Asm: return "assembler-with-cpp"; 336 case IK_C: return "c"; 337 case IK_CXX: return "c++"; 338 case IK_LLVM_IR: return "ir"; 339 case IK_ObjC: return "objective-c"; 340 case IK_ObjCXX: return "objective-c++"; 341 case IK_OpenCL: return "cl"; 342 case IK_CUDA: return "cuda"; 343 case IK_PreprocessedC: return "cpp-output"; 344 case IK_PreprocessedCXX: return "c++-cpp-output"; 345 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 346 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 347 } 348 349 llvm_unreachable("Unexpected language kind!"); 350 return 0; 351 } 352 353 static const char *getActionName(frontend::ActionKind Kind) { 354 switch (Kind) { 355 case frontend::PluginAction: 356 llvm_unreachable("Invalid kind!"); 357 358 case frontend::ASTDump: return "-ast-dump"; 359 case frontend::ASTDumpXML: return "-ast-dump-xml"; 360 case frontend::ASTPrint: return "-ast-print"; 361 case frontend::ASTView: return "-ast-view"; 362 case frontend::BoostCon: return "-boostcon"; 363 case frontend::CreateModule: return "-create-module"; 364 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 365 case frontend::DumpTokens: return "-dump-tokens"; 366 case frontend::EmitAssembly: return "-S"; 367 case frontend::EmitBC: return "-emit-llvm-bc"; 368 case frontend::EmitHTML: return "-emit-html"; 369 case frontend::EmitLLVM: return "-emit-llvm"; 370 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 371 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 372 case frontend::EmitObj: return "-emit-obj"; 373 case frontend::FixIt: return "-fixit"; 374 case frontend::GeneratePCH: return "-emit-pch"; 375 case frontend::GeneratePTH: return "-emit-pth"; 376 case frontend::InitOnly: return "-init-only"; 377 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 378 case frontend::PrintDeclContext: return "-print-decl-contexts"; 379 case frontend::PrintPreamble: return "-print-preamble"; 380 case frontend::PrintPreprocessedInput: return "-E"; 381 case frontend::RewriteMacros: return "-rewrite-macros"; 382 case frontend::RewriteObjC: return "-rewrite-objc"; 383 case frontend::RewriteTest: return "-rewrite-test"; 384 case frontend::RunAnalysis: return "-analyze"; 385 case frontend::RunPreprocessorOnly: return "-Eonly"; 386 } 387 388 llvm_unreachable("Unexpected language kind!"); 389 return 0; 390 } 391 392 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 393 std::vector<std::string> &Res) { 394 if (!Opts.WorkingDir.empty()) { 395 Res.push_back("-working-directory"); 396 Res.push_back(Opts.WorkingDir); 397 } 398 } 399 400 static void FrontendOptsToArgs(const FrontendOptions &Opts, 401 std::vector<std::string> &Res) { 402 if (Opts.DisableFree) 403 Res.push_back("-disable-free"); 404 if (Opts.RelocatablePCH) 405 Res.push_back("-relocatable-pch"); 406 if (Opts.ChainedPCH) 407 Res.push_back("-chained-pch"); 408 if (Opts.ShowHelp) 409 Res.push_back("-help"); 410 if (Opts.ShowMacrosInCodeCompletion) 411 Res.push_back("-code-completion-macros"); 412 if (Opts.ShowCodePatternsInCodeCompletion) 413 Res.push_back("-code-completion-patterns"); 414 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 415 Res.push_back("-no-code-completion-globals"); 416 if (Opts.ShowStats) 417 Res.push_back("-print-stats"); 418 if (Opts.ShowTimers) 419 Res.push_back("-ftime-report"); 420 if (Opts.ShowVersion) 421 Res.push_back("-version"); 422 if (Opts.FixWhatYouCan) 423 Res.push_back("-fix-what-you-can"); 424 switch (Opts.ARCMTAction) { 425 case FrontendOptions::ARCMT_None: 426 break; 427 case FrontendOptions::ARCMT_Check: 428 Res.push_back("-arcmt-check"); 429 break; 430 case FrontendOptions::ARCMT_Modify: 431 Res.push_back("-arcmt-modify"); 432 break; 433 } 434 435 bool NeedLang = false; 436 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 437 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 438 Opts.Inputs[i].first) 439 NeedLang = true; 440 if (NeedLang) { 441 Res.push_back("-x"); 442 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 443 } 444 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 445 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 446 "Unable to represent this input vector!"); 447 Res.push_back(Opts.Inputs[i].second); 448 } 449 450 if (!Opts.OutputFile.empty()) { 451 Res.push_back("-o"); 452 Res.push_back(Opts.OutputFile); 453 } 454 if (!Opts.CodeCompletionAt.FileName.empty()) { 455 Res.push_back("-code-completion-at"); 456 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 457 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 458 llvm::utostr(Opts.CodeCompletionAt.Column)); 459 } 460 if (Opts.ProgramAction != frontend::PluginAction) 461 Res.push_back(getActionName(Opts.ProgramAction)); 462 if (!Opts.ActionName.empty()) { 463 Res.push_back("-plugin"); 464 Res.push_back(Opts.ActionName); 465 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 466 Res.push_back("-plugin-arg-" + Opts.ActionName); 467 Res.push_back(Opts.PluginArgs[i]); 468 } 469 } 470 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 471 Res.push_back("-load"); 472 Res.push_back(Opts.Plugins[i]); 473 } 474 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 475 Res.push_back("-add-plugin"); 476 Res.push_back(Opts.AddPluginActions[i]); 477 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 478 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 479 Res.push_back(Opts.AddPluginArgs[i][ai]); 480 } 481 } 482 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 483 Res.push_back("-ast-merge"); 484 Res.push_back(Opts.ASTMergeFiles[i]); 485 } 486 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 487 Res.push_back("-import-module"); 488 Res.push_back(Opts.Modules[i]); 489 } 490 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 491 Res.push_back("-mllvm"); 492 Res.push_back(Opts.LLVMArgs[i]); 493 } 494 } 495 496 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 497 std::vector<std::string> &Res) { 498 if (Opts.Sysroot != "/") { 499 Res.push_back("-isysroot"); 500 Res.push_back(Opts.Sysroot); 501 } 502 503 /// User specified include entries. 504 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 505 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 506 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 507 llvm::report_fatal_error("Invalid option set!"); 508 if (E.IsUserSupplied) { 509 if (E.Group == frontend::After) { 510 Res.push_back("-idirafter"); 511 } else if (E.Group == frontend::Quoted) { 512 Res.push_back("-iquote"); 513 } else if (E.Group == frontend::System) { 514 Res.push_back("-isystem"); 515 } else if (E.Group == frontend::CXXSystem) { 516 Res.push_back("-cxx-isystem"); 517 } else { 518 assert(E.Group == frontend::Angled && "Invalid group!"); 519 Res.push_back(E.IsFramework ? "-F" : "-I"); 520 } 521 } else { 522 if (E.Group != frontend::Angled && E.Group != frontend::System) 523 llvm::report_fatal_error("Invalid option set!"); 524 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 525 "-iwithprefix"); 526 } 527 Res.push_back(E.Path); 528 } 529 530 if (!Opts.EnvIncPath.empty()) { 531 // FIXME: Provide an option for this, and move env detection to driver. 532 llvm::report_fatal_error("Not yet implemented!"); 533 } 534 if (!Opts.CEnvIncPath.empty()) { 535 // FIXME: Provide an option for this, and move env detection to driver. 536 llvm::report_fatal_error("Not yet implemented!"); 537 } 538 if (!Opts.ObjCEnvIncPath.empty()) { 539 // FIXME: Provide an option for this, and move env detection to driver. 540 llvm::report_fatal_error("Not yet implemented!"); 541 } 542 if (!Opts.CXXEnvIncPath.empty()) { 543 // FIXME: Provide an option for this, and move env detection to driver. 544 llvm::report_fatal_error("Not yet implemented!"); 545 } 546 if (!Opts.ObjCXXEnvIncPath.empty()) { 547 // FIXME: Provide an option for this, and move env detection to driver. 548 llvm::report_fatal_error("Not yet implemented!"); 549 } 550 if (!Opts.ResourceDir.empty()) { 551 Res.push_back("-resource-dir"); 552 Res.push_back(Opts.ResourceDir); 553 } 554 if (!Opts.UseStandardIncludes) 555 Res.push_back("-nostdinc"); 556 if (!Opts.UseStandardCXXIncludes) 557 Res.push_back("-nostdinc++"); 558 if (Opts.UseLibcxx) 559 Res.push_back("-stdlib=libc++"); 560 if (Opts.Verbose) 561 Res.push_back("-v"); 562 } 563 564 static void LangOptsToArgs(const LangOptions &Opts, 565 std::vector<std::string> &Res) { 566 LangOptions DefaultLangOpts; 567 568 // FIXME: Need to set -std to get all the implicit options. 569 570 // FIXME: We want to only pass options relative to the defaults, which 571 // requires constructing a target. :( 572 // 573 // It would be better to push the all target specific choices into the driver, 574 // so that everything below that was more uniform. 575 576 if (Opts.Trigraphs) 577 Res.push_back("-trigraphs"); 578 // Implicit based on the input kind: 579 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 580 // Implicit based on the input language standard: 581 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 582 if (Opts.DollarIdents) 583 Res.push_back("-fdollars-in-identifiers"); 584 if (Opts.GNUMode && !Opts.GNUKeywords) 585 Res.push_back("-fno-gnu-keywords"); 586 if (!Opts.GNUMode && Opts.GNUKeywords) 587 Res.push_back("-fgnu-keywords"); 588 if (Opts.Microsoft) 589 Res.push_back("-fms-extensions"); 590 if (Opts.MSCVersion != 0) 591 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 592 if (Opts.Borland) 593 Res.push_back("-fborland-extensions"); 594 if (Opts.ObjCNonFragileABI) 595 Res.push_back("-fobjc-nonfragile-abi"); 596 if (Opts.ObjCNonFragileABI2) 597 Res.push_back("-fobjc-nonfragile-abi"); 598 if (Opts.ObjCDefaultSynthProperties) 599 Res.push_back("-fobjc-default-synthesize-properties"); 600 // NoInline is implicit. 601 if (!Opts.CXXOperatorNames) 602 Res.push_back("-fno-operator-names"); 603 if (Opts.PascalStrings) 604 Res.push_back("-fpascal-strings"); 605 if (Opts.CatchUndefined) 606 Res.push_back("-fcatch-undefined-behavior"); 607 if (Opts.WritableStrings) 608 Res.push_back("-fwritable-strings"); 609 if (Opts.ConstStrings) 610 Res.push_back("-fconst-strings"); 611 if (!Opts.LaxVectorConversions) 612 Res.push_back("-fno-lax-vector-conversions"); 613 if (Opts.AltiVec) 614 Res.push_back("-faltivec"); 615 if (Opts.Exceptions) 616 Res.push_back("-fexceptions"); 617 if (Opts.ObjCExceptions) 618 Res.push_back("-fobjc-exceptions"); 619 if (Opts.CXXExceptions) 620 Res.push_back("-fcxx-exceptions"); 621 if (Opts.SjLjExceptions) 622 Res.push_back("-fsjlj-exceptions"); 623 if (Opts.TraditionalCPP) 624 Res.push_back("-traditional-cpp"); 625 if (!Opts.RTTI) 626 Res.push_back("-fno-rtti"); 627 if (Opts.MSBitfields) 628 Res.push_back("-mms-bitfields"); 629 if (!Opts.NeXTRuntime) 630 Res.push_back("-fgnu-runtime"); 631 if (Opts.Freestanding) 632 Res.push_back("-ffreestanding"); 633 if (Opts.NoBuiltin) 634 Res.push_back("-fno-builtin"); 635 if (!Opts.AssumeSaneOperatorNew) 636 Res.push_back("-fno-assume-sane-operator-new"); 637 if (!Opts.ThreadsafeStatics) 638 Res.push_back("-fno-threadsafe-statics"); 639 if (Opts.POSIXThreads) 640 Res.push_back("-pthread"); 641 if (Opts.Blocks) 642 Res.push_back("-fblocks"); 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.ObjCRuntimeHasWeak) 696 Res.push_back("-fobjc-runtime-has-weak"); 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.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 982 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 983 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 984 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 985 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 986 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 987 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 988 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 989 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 990 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 991 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 992 Args.hasArg(OPT_cl_fast_relaxed_math); 993 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 994 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 995 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 996 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 997 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 998 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 999 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1000 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1001 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1002 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1003 Args.hasArg(OPT_cl_fast_relaxed_math); 1004 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1005 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1006 1007 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1008 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1009 1010 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1011 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1012 1013 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1014 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1015 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1016 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1017 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1018 1019 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1020 llvm::StringRef Name = A->getValue(Args); 1021 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1022 .Case("legacy", CodeGenOptions::Legacy) 1023 .Case("non-legacy", CodeGenOptions::NonLegacy) 1024 .Case("mixed", CodeGenOptions::Mixed) 1025 .Default(~0U); 1026 if (Method == ~0U) 1027 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1028 else 1029 Opts.ObjCDispatchMethod = Method; 1030 } 1031 } 1032 1033 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1034 ArgList &Args) { 1035 using namespace cc1options; 1036 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1037 Opts.Targets = Args.getAllArgValues(OPT_MT); 1038 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1039 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1040 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1041 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1042 } 1043 1044 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1045 Diagnostic &Diags) { 1046 using namespace cc1options; 1047 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1048 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1049 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1050 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1051 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1052 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1053 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1054 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1055 OPT_fno_show_column, 1056 /*Default=*/true); 1057 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1058 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1059 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1060 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1061 1062 // Default behavior is to not to show note include stacks. 1063 Opts.ShowNoteIncludeStack = false; 1064 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1065 OPT_fno_diagnostics_show_note_include_stack)) 1066 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1067 Opts.ShowNoteIncludeStack = true; 1068 1069 llvm::StringRef ShowOverloads = 1070 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1071 if (ShowOverloads == "best") 1072 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1073 else if (ShowOverloads == "all") 1074 Opts.ShowOverloads = Diagnostic::Ovl_All; 1075 else 1076 Diags.Report(diag::err_drv_invalid_value) 1077 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1078 << ShowOverloads; 1079 1080 llvm::StringRef ShowCategory = 1081 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1082 if (ShowCategory == "none") 1083 Opts.ShowCategories = 0; 1084 else if (ShowCategory == "id") 1085 Opts.ShowCategories = 1; 1086 else if (ShowCategory == "name") 1087 Opts.ShowCategories = 2; 1088 else 1089 Diags.Report(diag::err_drv_invalid_value) 1090 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1091 << ShowCategory; 1092 1093 llvm::StringRef Format = 1094 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1095 if (Format == "clang") 1096 Opts.Format = DiagnosticOptions::Clang; 1097 else if (Format == "msvc") 1098 Opts.Format = DiagnosticOptions::Msvc; 1099 else if (Format == "vi") 1100 Opts.Format = DiagnosticOptions::Vi; 1101 else 1102 Diags.Report(diag::err_drv_invalid_value) 1103 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1104 << Format; 1105 1106 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1107 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1108 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1109 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1110 Opts.MacroBacktraceLimit 1111 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1112 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1113 Opts.TemplateBacktraceLimit 1114 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1115 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1116 Diags); 1117 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1118 DiagnosticOptions::DefaultTabStop, Diags); 1119 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1120 Diags.Report(diag::warn_ignoring_ftabstop_value) 1121 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1122 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1123 } 1124 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1125 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1126 Opts.Warnings = Args.getAllArgValues(OPT_W); 1127 } 1128 1129 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1130 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1131 } 1132 1133 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1134 Diagnostic &Diags) { 1135 using namespace cc1options; 1136 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1137 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1138 switch (A->getOption().getID()) { 1139 default: 1140 assert(0 && "Invalid option in group!"); 1141 case OPT_ast_dump: 1142 Opts.ProgramAction = frontend::ASTDump; break; 1143 case OPT_ast_dump_xml: 1144 Opts.ProgramAction = frontend::ASTDumpXML; break; 1145 case OPT_ast_print: 1146 Opts.ProgramAction = frontend::ASTPrint; break; 1147 case OPT_ast_view: 1148 Opts.ProgramAction = frontend::ASTView; break; 1149 case OPT_boostcon: 1150 Opts.ProgramAction = frontend::BoostCon; break; 1151 case OPT_dump_raw_tokens: 1152 Opts.ProgramAction = frontend::DumpRawTokens; break; 1153 case OPT_dump_tokens: 1154 Opts.ProgramAction = frontend::DumpTokens; break; 1155 case OPT_S: 1156 Opts.ProgramAction = frontend::EmitAssembly; break; 1157 case OPT_emit_llvm_bc: 1158 Opts.ProgramAction = frontend::EmitBC; break; 1159 case OPT_emit_html: 1160 Opts.ProgramAction = frontend::EmitHTML; break; 1161 case OPT_emit_llvm: 1162 Opts.ProgramAction = frontend::EmitLLVM; break; 1163 case OPT_emit_llvm_only: 1164 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1165 case OPT_emit_codegen_only: 1166 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1167 case OPT_emit_obj: 1168 Opts.ProgramAction = frontend::EmitObj; break; 1169 case OPT_fixit_EQ: 1170 Opts.FixItSuffix = A->getValue(Args); 1171 // fall-through! 1172 case OPT_fixit: 1173 Opts.ProgramAction = frontend::FixIt; break; 1174 case OPT_emit_pch: 1175 Opts.ProgramAction = frontend::GeneratePCH; break; 1176 case OPT_emit_pth: 1177 Opts.ProgramAction = frontend::GeneratePTH; break; 1178 case OPT_init_only: 1179 Opts.ProgramAction = frontend::InitOnly; break; 1180 case OPT_fsyntax_only: 1181 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1182 case OPT_print_decl_contexts: 1183 Opts.ProgramAction = frontend::PrintDeclContext; break; 1184 case OPT_print_preamble: 1185 Opts.ProgramAction = frontend::PrintPreamble; break; 1186 case OPT_E: 1187 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1188 case OPT_rewrite_macros: 1189 Opts.ProgramAction = frontend::RewriteMacros; break; 1190 case OPT_rewrite_objc: 1191 Opts.ProgramAction = frontend::RewriteObjC; break; 1192 case OPT_rewrite_test: 1193 Opts.ProgramAction = frontend::RewriteTest; break; 1194 case OPT_analyze: 1195 Opts.ProgramAction = frontend::RunAnalysis; break; 1196 case OPT_Eonly: 1197 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1198 case OPT_create_module: 1199 Opts.ProgramAction = frontend::CreateModule; break; 1200 } 1201 } 1202 1203 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1204 Opts.Plugins.push_back(A->getValue(Args,0)); 1205 Opts.ProgramAction = frontend::PluginAction; 1206 Opts.ActionName = A->getValue(Args); 1207 1208 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1209 end = Args.filtered_end(); it != end; ++it) { 1210 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1211 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1212 } 1213 } 1214 1215 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1216 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1217 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1218 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1219 end = Args.filtered_end(); it != end; ++it) { 1220 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1221 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1222 } 1223 } 1224 1225 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1226 Opts.CodeCompletionAt = 1227 ParsedSourceLocation::FromString(A->getValue(Args)); 1228 if (Opts.CodeCompletionAt.FileName.empty()) 1229 Diags.Report(diag::err_drv_invalid_value) 1230 << A->getAsString(Args) << A->getValue(Args); 1231 } 1232 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1233 1234 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1235 Opts.Plugins = Args.getAllArgValues(OPT_load); 1236 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1237 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1238 Opts.ShowHelp = Args.hasArg(OPT_help); 1239 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1240 Opts.ShowCodePatternsInCodeCompletion 1241 = Args.hasArg(OPT_code_completion_patterns); 1242 Opts.ShowGlobalSymbolsInCodeCompletion 1243 = !Args.hasArg(OPT_no_code_completion_globals); 1244 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1245 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1246 Opts.ShowVersion = Args.hasArg(OPT_version); 1247 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1248 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1249 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1250 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1251 1252 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1253 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1254 OPT_arcmt_modify)) { 1255 switch (A->getOption().getID()) { 1256 default: 1257 llvm_unreachable("missed a case"); 1258 case OPT_arcmt_check: 1259 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1260 break; 1261 case OPT_arcmt_modify: 1262 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1263 break; 1264 } 1265 } 1266 1267 InputKind DashX = IK_None; 1268 if (const Arg *A = Args.getLastArg(OPT_x)) { 1269 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1270 .Case("c", IK_C) 1271 .Case("cl", IK_OpenCL) 1272 .Case("cuda", IK_CUDA) 1273 .Case("c++", IK_CXX) 1274 .Case("objective-c", IK_ObjC) 1275 .Case("objective-c++", IK_ObjCXX) 1276 .Case("cpp-output", IK_PreprocessedC) 1277 .Case("assembler-with-cpp", IK_Asm) 1278 .Case("c++-cpp-output", IK_PreprocessedCXX) 1279 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1280 .Case("objc-cpp-output", IK_PreprocessedObjC) 1281 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1282 .Case("c-header", IK_C) 1283 .Case("objective-c-header", IK_ObjC) 1284 .Case("c++-header", IK_CXX) 1285 .Case("objective-c++-header", IK_ObjCXX) 1286 .Case("ast", IK_AST) 1287 .Case("ir", IK_LLVM_IR) 1288 .Default(IK_None); 1289 if (DashX == IK_None) 1290 Diags.Report(diag::err_drv_invalid_value) 1291 << A->getAsString(Args) << A->getValue(Args); 1292 } 1293 1294 // '-' is the default input if none is given. 1295 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1296 Opts.Inputs.clear(); 1297 if (Inputs.empty()) 1298 Inputs.push_back("-"); 1299 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1300 InputKind IK = DashX; 1301 if (IK == IK_None) { 1302 IK = FrontendOptions::getInputKindForExtension( 1303 llvm::StringRef(Inputs[i]).rsplit('.').second); 1304 // FIXME: Remove this hack. 1305 if (i == 0) 1306 DashX = IK; 1307 } 1308 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1309 } 1310 1311 return DashX; 1312 } 1313 1314 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1315 void *MainAddr) { 1316 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1317 1318 if (!P.isEmpty()) { 1319 P.eraseComponent(); // Remove /clang from foo/bin/clang 1320 P.eraseComponent(); // Remove /bin from foo/bin 1321 1322 // Get foo/lib/clang/<version>/include 1323 P.appendComponent("lib"); 1324 P.appendComponent("clang"); 1325 P.appendComponent(CLANG_VERSION_STRING); 1326 } 1327 1328 return P.str(); 1329 } 1330 1331 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1332 using namespace cc1options; 1333 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1334 Opts.Verbose = Args.hasArg(OPT_v); 1335 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1336 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1337 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1338 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1339 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1340 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1341 1342 // Add -I... and -F... options in order. 1343 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1344 ie = Args.filtered_end(); it != ie; ++it) 1345 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1346 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1347 1348 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1349 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1350 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1351 OPT_iwithprefixbefore), 1352 ie = Args.filtered_end(); it != ie; ++it) { 1353 const Arg *A = *it; 1354 if (A->getOption().matches(OPT_iprefix)) 1355 Prefix = A->getValue(Args); 1356 else if (A->getOption().matches(OPT_iwithprefix)) 1357 Opts.AddPath(Prefix.str() + A->getValue(Args), 1358 frontend::System, false, false, false); 1359 else 1360 Opts.AddPath(Prefix.str() + A->getValue(Args), 1361 frontend::Angled, false, false, false); 1362 } 1363 1364 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1365 ie = Args.filtered_end(); it != ie; ++it) 1366 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1367 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1368 ie = Args.filtered_end(); it != ie; ++it) 1369 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1370 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1371 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1372 Opts.AddPath((*it)->getValue(Args), 1373 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1374 frontend::CXXSystem : frontend::System), 1375 true, false, !(*it)->getOption().matches(OPT_iwithsysroot)); 1376 1377 // FIXME: Need options for the various environment variables! 1378 } 1379 1380 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1381 LangStandard::Kind LangStd) { 1382 // Set some properties which depend solely on the input kind; it would be nice 1383 // to move these to the language standard, and have the driver resolve the 1384 // input kind + language standard. 1385 if (IK == IK_Asm) { 1386 Opts.AsmPreprocessor = 1; 1387 } else if (IK == IK_ObjC || 1388 IK == IK_ObjCXX || 1389 IK == IK_PreprocessedObjC || 1390 IK == IK_PreprocessedObjCXX) { 1391 Opts.ObjC1 = Opts.ObjC2 = 1; 1392 } 1393 1394 if (LangStd == LangStandard::lang_unspecified) { 1395 // Based on the base language, pick one. 1396 switch (IK) { 1397 case IK_None: 1398 case IK_AST: 1399 case IK_LLVM_IR: 1400 assert(0 && "Invalid input kind!"); 1401 case IK_OpenCL: 1402 LangStd = LangStandard::lang_opencl; 1403 break; 1404 case IK_CUDA: 1405 LangStd = LangStandard::lang_cuda; 1406 break; 1407 case IK_Asm: 1408 case IK_C: 1409 case IK_PreprocessedC: 1410 case IK_ObjC: 1411 case IK_PreprocessedObjC: 1412 LangStd = LangStandard::lang_gnu99; 1413 break; 1414 case IK_CXX: 1415 case IK_PreprocessedCXX: 1416 case IK_ObjCXX: 1417 case IK_PreprocessedObjCXX: 1418 LangStd = LangStandard::lang_gnucxx98; 1419 break; 1420 } 1421 } 1422 1423 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1424 Opts.BCPLComment = Std.hasBCPLComments(); 1425 Opts.C99 = Std.isC99(); 1426 Opts.C1X = Std.isC1X(); 1427 Opts.CPlusPlus = Std.isCPlusPlus(); 1428 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1429 Opts.Digraphs = Std.hasDigraphs(); 1430 Opts.GNUMode = Std.isGNUMode(); 1431 Opts.GNUInline = !Std.isC99(); 1432 Opts.HexFloats = Std.hasHexFloats(); 1433 Opts.ImplicitInt = Std.hasImplicitInt(); 1434 1435 // OpenCL has some additional defaults. 1436 if (LangStd == LangStandard::lang_opencl) { 1437 Opts.OpenCL = 1; 1438 Opts.AltiVec = 1; 1439 Opts.CXXOperatorNames = 1; 1440 Opts.LaxVectorConversions = 1; 1441 Opts.DefaultFPContract = 1; 1442 } 1443 1444 if (LangStd == LangStandard::lang_cuda) 1445 Opts.CUDA = 1; 1446 1447 // OpenCL and C++ both have bool, true, false keywords. 1448 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1449 1450 Opts.GNUKeywords = Opts.GNUMode; 1451 Opts.CXXOperatorNames = Opts.CPlusPlus; 1452 1453 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1454 // is specified, or -std is set to a conforming mode. 1455 Opts.Trigraphs = !Opts.GNUMode; 1456 1457 Opts.DollarIdents = !Opts.AsmPreprocessor; 1458 } 1459 1460 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1461 Diagnostic &Diags) { 1462 // FIXME: Cleanup per-file based stuff. 1463 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1464 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1465 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1466 #define LANGSTANDARD(id, name, desc, features) \ 1467 .Case(name, LangStandard::lang_##id) 1468 #include "clang/Frontend/LangStandards.def" 1469 .Default(LangStandard::lang_unspecified); 1470 if (LangStd == LangStandard::lang_unspecified) 1471 Diags.Report(diag::err_drv_invalid_value) 1472 << A->getAsString(Args) << A->getValue(Args); 1473 else { 1474 // Valid standard, check to make sure language and standard are compatable. 1475 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1476 switch (IK) { 1477 case IK_C: 1478 case IK_ObjC: 1479 case IK_PreprocessedC: 1480 case IK_PreprocessedObjC: 1481 if (!(Std.isC89() || Std.isC99())) 1482 Diags.Report(diag::err_drv_argument_not_allowed_with) 1483 << A->getAsString(Args) << "C/ObjC"; 1484 break; 1485 case IK_CXX: 1486 case IK_ObjCXX: 1487 case IK_PreprocessedCXX: 1488 case IK_PreprocessedObjCXX: 1489 if (!Std.isCPlusPlus()) 1490 Diags.Report(diag::err_drv_argument_not_allowed_with) 1491 << A->getAsString(Args) << "C++/ObjC++"; 1492 break; 1493 case IK_OpenCL: 1494 if (!Std.isC99()) 1495 Diags.Report(diag::err_drv_argument_not_allowed_with) 1496 << A->getAsString(Args) << "OpenCL"; 1497 break; 1498 case IK_CUDA: 1499 if (!Std.isCPlusPlus()) 1500 Diags.Report(diag::err_drv_argument_not_allowed_with) 1501 << A->getAsString(Args) << "CUDA"; 1502 break; 1503 default: 1504 break; 1505 } 1506 } 1507 } 1508 1509 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1510 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1511 Diags.Report(diag::err_drv_invalid_value) 1512 << A->getAsString(Args) << A->getValue(Args); 1513 } 1514 } 1515 1516 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1517 1518 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1519 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1520 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1521 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1522 // name, as it doesn't seem a useful distinction. 1523 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1524 Opts.GNUKeywords); 1525 1526 if (Args.hasArg(OPT_fno_operator_names)) 1527 Opts.CXXOperatorNames = 0; 1528 1529 if (Opts.ObjC1) { 1530 if (Args.hasArg(OPT_fobjc_gc_only)) 1531 Opts.setGCMode(LangOptions::GCOnly); 1532 else if (Args.hasArg(OPT_fobjc_gc)) 1533 Opts.setGCMode(LangOptions::HybridGC); 1534 else if (Args.hasArg(OPT_fobjc_arc)) { 1535 Opts.ObjCAutoRefCount = 1; 1536 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1537 Diags.Report(diag::err_arc_nonfragile_abi); 1538 } 1539 1540 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1541 Opts.ObjCRuntimeHasWeak = 1; 1542 1543 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1544 Opts.ObjCInferRelatedResultType = 0; 1545 } 1546 1547 if (Args.hasArg(OPT_fgnu89_inline)) 1548 Opts.GNUInline = 1; 1549 1550 if (Args.hasArg(OPT_fapple_kext)) { 1551 if (!Opts.CPlusPlus) 1552 Diags.Report(diag::warn_c_kext); 1553 else 1554 Opts.AppleKext = 1; 1555 } 1556 1557 if (Args.hasArg(OPT_print_ivar_layout)) 1558 Opts.ObjCGCBitmapPrint = 1; 1559 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1560 Opts.NoConstantCFStrings = 1; 1561 1562 if (Args.hasArg(OPT_faltivec)) 1563 Opts.AltiVec = 1; 1564 1565 if (Args.hasArg(OPT_pthread)) 1566 Opts.POSIXThreads = 1; 1567 1568 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1569 Opts.DelayedTemplateParsing = 1; 1570 1571 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1572 if (Vis == "default") 1573 Opts.setVisibilityMode(DefaultVisibility); 1574 else if (Vis == "hidden") 1575 Opts.setVisibilityMode(HiddenVisibility); 1576 else if (Vis == "protected") 1577 Opts.setVisibilityMode(ProtectedVisibility); 1578 else 1579 Diags.Report(diag::err_drv_invalid_value) 1580 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1581 1582 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1583 Opts.InlineVisibilityHidden = 1; 1584 1585 if (Args.hasArg(OPT_ftrapv)) { 1586 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1587 // Set the handler, if one is specified. 1588 Opts.OverflowHandler = 1589 Args.getLastArgValue(OPT_ftrapv_handler); 1590 } 1591 else if (Args.hasArg(OPT_fwrapv)) 1592 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1593 1594 if (Args.hasArg(OPT_trigraphs)) 1595 Opts.Trigraphs = 1; 1596 1597 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1598 OPT_fno_dollars_in_identifiers, 1599 Opts.DollarIdents); 1600 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1601 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1602 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1603 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1604 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1605 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1606 Opts.ConstStrings); 1607 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1608 Opts.LaxVectorConversions = 0; 1609 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1610 Opts.ThreadsafeStatics = 0; 1611 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1612 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1613 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1614 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1615 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1616 1617 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1618 Opts.Blocks = Args.hasArg(OPT_fblocks); 1619 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1620 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1621 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1622 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1623 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1624 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1625 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1626 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1627 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1628 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1629 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1630 Diags); 1631 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1632 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1633 0, Diags); 1634 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1635 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1636 Opts.ObjCConstantStringClass = 1637 Args.getLastArgValue(OPT_fconstant_string_class); 1638 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1639 if (Opts.ObjCNonFragileABI) 1640 Opts.ObjCNonFragileABI2 = true; 1641 Opts.ObjCDefaultSynthProperties = 1642 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1643 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1644 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1645 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1646 Opts.Static = Args.hasArg(OPT_static_define); 1647 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1648 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1649 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1650 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1651 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1652 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1653 Opts.OptimizeSize = 0; 1654 Opts.MRTD = Args.hasArg(OPT_mrtd); 1655 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1656 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1657 1658 // Record whether the __DEPRECATED define was requested. 1659 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1660 OPT_fno_deprecated_macro, 1661 Opts.Deprecated); 1662 1663 // FIXME: Eliminate this dependency. 1664 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1665 Opts.Optimize = Opt != 0; 1666 1667 // This is the __NO_INLINE__ define, which just depends on things like the 1668 // optimization level and -fno-inline, not actually whether the backend has 1669 // inlining enabled. 1670 // 1671 // FIXME: This is affected by other options (-fno-inline). 1672 Opts.NoInline = !Opt; 1673 1674 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1675 switch (SSP) { 1676 default: 1677 Diags.Report(diag::err_drv_invalid_value) 1678 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1679 break; 1680 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1681 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1682 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1683 } 1684 } 1685 1686 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1687 FileManager &FileMgr, 1688 Diagnostic &Diags) { 1689 using namespace cc1options; 1690 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1691 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1692 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1693 Opts.TokenCache = A->getValue(Args); 1694 else 1695 Opts.TokenCache = Opts.ImplicitPTHInclude; 1696 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1697 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1698 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1699 1700 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1701 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1702 ie = Args.filtered_end(); it != ie; ++it) { 1703 const Arg *A = *it; 1704 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1705 } 1706 1707 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1708 llvm::StringRef Value(A->getValue(Args)); 1709 size_t Comma = Value.find(','); 1710 unsigned Bytes = 0; 1711 unsigned EndOfLine = 0; 1712 1713 if (Comma == llvm::StringRef::npos || 1714 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1715 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1716 Diags.Report(diag::err_drv_preamble_format); 1717 else { 1718 Opts.PrecompiledPreambleBytes.first = Bytes; 1719 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1720 } 1721 } 1722 1723 // Add macros from the command line. 1724 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1725 ie = Args.filtered_end(); it != ie; ++it) { 1726 if ((*it)->getOption().matches(OPT_D)) 1727 Opts.addMacroDef((*it)->getValue(Args)); 1728 else 1729 Opts.addMacroUndef((*it)->getValue(Args)); 1730 } 1731 1732 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1733 1734 // Add the ordered list of -includes. 1735 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1736 OPT_include_pth), 1737 ie = Args.filtered_end(); it != ie; ++it) { 1738 const Arg *A = *it; 1739 // PCH is handled specially, we need to extra the original include path. 1740 if (A->getOption().matches(OPT_include_pch)) { 1741 std::string OriginalFile = 1742 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1743 if (OriginalFile.empty()) 1744 continue; 1745 1746 Opts.Includes.push_back(OriginalFile); 1747 } else 1748 Opts.Includes.push_back(A->getValue(Args)); 1749 } 1750 1751 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1752 ie = Args.filtered_end(); it != ie; ++it) { 1753 const Arg *A = *it; 1754 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1755 } 1756 1757 // Include 'altivec.h' if -faltivec option present 1758 if (Args.hasArg(OPT_faltivec)) 1759 Opts.Includes.push_back("altivec.h"); 1760 1761 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1762 ie = Args.filtered_end(); it != ie; ++it) { 1763 const Arg *A = *it; 1764 std::pair<llvm::StringRef,llvm::StringRef> Split = 1765 llvm::StringRef(A->getValue(Args)).split(';'); 1766 1767 if (Split.second.empty()) { 1768 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1769 continue; 1770 } 1771 1772 Opts.addRemappedFile(Split.first, Split.second); 1773 } 1774 1775 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1776 llvm::StringRef Name = A->getValue(Args); 1777 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1778 .Case("libc++", ARCXX_libcxx) 1779 .Case("libstdc++", ARCXX_libstdcxx) 1780 .Case("none", ARCXX_nolib) 1781 .Default(~0U); 1782 if (Library == ~0U) 1783 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1784 else 1785 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1786 } 1787 } 1788 1789 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1790 ArgList &Args) { 1791 using namespace cc1options; 1792 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1793 Opts.ShowComments = Args.hasArg(OPT_C); 1794 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1795 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1796 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1797 } 1798 1799 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1800 using namespace cc1options; 1801 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1802 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1803 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1804 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1805 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1806 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1807 1808 // Use the host triple if unspecified. 1809 if (Opts.Triple.empty()) 1810 Opts.Triple = llvm::sys::getHostTriple(); 1811 } 1812 1813 // 1814 1815 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1816 const char *const *ArgBegin, 1817 const char *const *ArgEnd, 1818 Diagnostic &Diags) { 1819 // Parse the arguments. 1820 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1821 unsigned MissingArgIndex, MissingArgCount; 1822 llvm::OwningPtr<InputArgList> Args( 1823 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1824 1825 // Check for missing argument error. 1826 if (MissingArgCount) 1827 Diags.Report(diag::err_drv_missing_argument) 1828 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1829 1830 // Issue errors on unknown arguments. 1831 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1832 ie = Args->filtered_end(); it != ie; ++it) 1833 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1834 1835 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1836 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1837 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1838 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1839 // FIXME: We shouldn't have to pass the DashX option around here 1840 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1841 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1842 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1843 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1844 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1845 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1846 Res.getLangOpts().ObjCExceptions = 1; 1847 } 1848 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1849 // PCH file and find the original header name. Remove the need to do that in 1850 // ParsePreprocessorArgs and remove the FileManager 1851 // parameters from the function and the "FileManager.h" #include. 1852 FileManager FileMgr(Res.getFileSystemOpts()); 1853 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1854 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1855 ParseTargetArgs(Res.getTargetOpts(), *Args); 1856 } 1857