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