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