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