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 *getAnalysisName(Analyses Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis kind!"); 37 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 38 case NAME: return "-" CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisStoreName(AnalysisStores Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis store!"); 47 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis constraints!"); 57 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 58 case NAME##Model: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 64 switch (Kind) { 65 default: 66 llvm_unreachable("Unknown analysis client!"); 67 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 68 case PD_##NAME: return CMDFLAG; 69 #include "clang/Frontend/Analyses.def" 70 } 71 } 72 73 //===----------------------------------------------------------------------===// 74 // Serialization (to args) 75 //===----------------------------------------------------------------------===// 76 77 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 78 std::vector<std::string> &Res) { 79 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 80 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 81 if (Opts.ShowCheckerHelp) 82 Res.push_back("-analyzer-checker-help"); 83 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 84 Res.push_back("-analyzer-store"); 85 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 86 } 87 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 88 Res.push_back("-analyzer-constraints"); 89 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 90 } 91 if (Opts.AnalysisDiagOpt != PD_HTML) { 92 Res.push_back("-analyzer-output"); 93 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 94 } 95 if (!Opts.AnalyzeSpecificFunction.empty()) { 96 Res.push_back("-analyze-function"); 97 Res.push_back(Opts.AnalyzeSpecificFunction); 98 } 99 if (Opts.AnalyzeAll) 100 Res.push_back("-analyzer-opt-analyze-headers"); 101 if (Opts.AnalyzerDisplayProgress) 102 Res.push_back("-analyzer-display-progress"); 103 if (Opts.AnalyzeNestedBlocks) 104 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 105 if (Opts.AnalyzerStats) 106 Res.push_back("-analyzer-stats"); 107 if (Opts.EagerlyAssume) 108 Res.push_back("-analyzer-eagerly-assume"); 109 if (!Opts.PurgeDead) 110 Res.push_back("-analyzer-no-purge-dead"); 111 if (Opts.TrimGraph) 112 Res.push_back("-trim-egraph"); 113 if (Opts.VisualizeEGDot) 114 Res.push_back("-analyzer-viz-egraph-graphviz"); 115 if (Opts.VisualizeEGDot) 116 Res.push_back("-analyzer-viz-egraph-ubigraph"); 117 if (Opts.EnableExperimentalChecks) 118 Res.push_back("-analyzer-experimental-checks"); 119 if (Opts.BufferOverflows) 120 Res.push_back("-analyzer-check-buffer-overflows"); 121 122 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 123 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 124 if (opt.second) 125 Res.push_back("-analyzer-disable-checker"); 126 else 127 Res.push_back("-analyzer-checker"); 128 Res.push_back(opt.first); 129 } 130 } 131 132 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 133 std::vector<std::string> &Res) { 134 if (Opts.DebugInfo) 135 Res.push_back("-g"); 136 if (Opts.DisableLLVMOpts) 137 Res.push_back("-disable-llvm-optzns"); 138 if (Opts.DisableRedZone) 139 Res.push_back("-disable-red-zone"); 140 if (!Opts.DwarfDebugFlags.empty()) { 141 Res.push_back("-dwarf-debug-flags"); 142 Res.push_back(Opts.DwarfDebugFlags); 143 } 144 if (!Opts.MergeAllConstants) 145 Res.push_back("-fno-merge-all-constants"); 146 if (Opts.NoCommon) 147 Res.push_back("-fno-common"); 148 if (Opts.NoImplicitFloat) 149 Res.push_back("-no-implicit-float"); 150 if (Opts.OmitLeafFramePointer) 151 Res.push_back("-momit-leaf-frame-pointer"); 152 if (Opts.OptimizeSize) { 153 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 154 Res.push_back("-Os"); 155 } else if (Opts.OptimizationLevel != 0) 156 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 157 if (!Opts.MainFileName.empty()) { 158 Res.push_back("-main-file-name"); 159 Res.push_back(Opts.MainFileName); 160 } 161 // SimplifyLibCalls is only derived. 162 // TimePasses is only derived. 163 // UnitAtATime is unused. 164 // Inlining is only derived. 165 166 // UnrollLoops is derived, but also accepts an option, no 167 // harm in pushing it back here. 168 if (Opts.UnrollLoops) 169 Res.push_back("-funroll-loops"); 170 if (Opts.DataSections) 171 Res.push_back("-fdata-sections"); 172 if (Opts.FunctionSections) 173 Res.push_back("-ffunction-sections"); 174 if (Opts.AsmVerbose) 175 Res.push_back("-masm-verbose"); 176 if (!Opts.CodeModel.empty()) { 177 Res.push_back("-mcode-model"); 178 Res.push_back(Opts.CodeModel); 179 } 180 if (!Opts.CXAAtExit) 181 Res.push_back("-fno-use-cxa-atexit"); 182 if (Opts.CXXCtorDtorAliases) 183 Res.push_back("-mconstructor-aliases"); 184 if (!Opts.DebugPass.empty()) { 185 Res.push_back("-mdebug-pass"); 186 Res.push_back(Opts.DebugPass); 187 } 188 if (Opts.DisableFPElim) 189 Res.push_back("-mdisable-fp-elim"); 190 if (!Opts.FloatABI.empty()) { 191 Res.push_back("-mfloat-abi"); 192 Res.push_back(Opts.FloatABI); 193 } 194 if (!Opts.LimitFloatPrecision.empty()) { 195 Res.push_back("-mlimit-float-precision"); 196 Res.push_back(Opts.LimitFloatPrecision); 197 } 198 if (Opts.NoZeroInitializedInBSS) 199 Res.push_back("-mno-zero-initialized-bss"); 200 switch (Opts.getObjCDispatchMethod()) { 201 case CodeGenOptions::Legacy: 202 break; 203 case CodeGenOptions::Mixed: 204 Res.push_back("-fobjc-dispatch-method=mixed"); 205 break; 206 case CodeGenOptions::NonLegacy: 207 Res.push_back("-fobjc-dispatch-method=non-legacy"); 208 break; 209 } 210 if (Opts.NumRegisterParameters) { 211 Res.push_back("-mregparm"); 212 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 213 } 214 if (Opts.RelaxAll) 215 Res.push_back("-mrelax-all"); 216 if (Opts.SoftFloat) 217 Res.push_back("-msoft-float"); 218 if (Opts.UnwindTables) 219 Res.push_back("-munwind-tables"); 220 if (Opts.RelocationModel != "pic") { 221 Res.push_back("-mrelocation-model"); 222 Res.push_back(Opts.RelocationModel); 223 } 224 if (!Opts.VerifyModule) 225 Res.push_back("-disable-llvm-verifier"); 226 } 227 228 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 229 std::vector<std::string> &Res) { 230 if (Opts.IncludeSystemHeaders) 231 Res.push_back("-sys-header-deps"); 232 if (Opts.ShowHeaderIncludes) 233 Res.push_back("-H"); 234 if (!Opts.HeaderIncludeOutputFile.empty()) { 235 Res.push_back("-header-include-file"); 236 Res.push_back(Opts.HeaderIncludeOutputFile); 237 } 238 if (Opts.UsePhonyTargets) 239 Res.push_back("-MP"); 240 if (!Opts.OutputFile.empty()) { 241 Res.push_back("-dependency-file"); 242 Res.push_back(Opts.OutputFile); 243 } 244 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 245 Res.push_back("-MT"); 246 Res.push_back(Opts.Targets[i]); 247 } 248 } 249 250 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 251 std::vector<std::string> &Res) { 252 if (Opts.IgnoreWarnings) 253 Res.push_back("-w"); 254 if (Opts.NoRewriteMacros) 255 Res.push_back("-Wno-rewrite-macros"); 256 if (Opts.Pedantic) 257 Res.push_back("-pedantic"); 258 if (Opts.PedanticErrors) 259 Res.push_back("-pedantic-errors"); 260 if (!Opts.ShowColumn) 261 Res.push_back("-fno-show-column"); 262 if (!Opts.ShowLocation) 263 Res.push_back("-fno-show-source-location"); 264 if (!Opts.ShowCarets) 265 Res.push_back("-fno-caret-diagnostics"); 266 if (!Opts.ShowFixits) 267 Res.push_back("-fno-diagnostics-fixit-info"); 268 if (Opts.ShowSourceRanges) 269 Res.push_back("-fdiagnostics-print-source-range-info"); 270 if (Opts.ShowParseableFixits) 271 Res.push_back("-fdiagnostics-parseable-fixits"); 272 if (Opts.ShowColors) 273 Res.push_back("-fcolor-diagnostics"); 274 if (Opts.VerifyDiagnostics) 275 Res.push_back("-verify"); 276 if (Opts.ShowOptionNames) 277 Res.push_back("-fdiagnostics-show-option"); 278 if (Opts.ShowCategories == 1) 279 Res.push_back("-fdiagnostics-show-category=id"); 280 else if (Opts.ShowCategories == 2) 281 Res.push_back("-fdiagnostics-show-category=name"); 282 if (Opts.ErrorLimit) { 283 Res.push_back("-ferror-limit"); 284 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 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::ASTPrintXML: return "-ast-print-xml"; 344 case frontend::ASTView: return "-ast-view"; 345 case frontend::BoostCon: return "-boostcon"; 346 case frontend::CreateModule: return "-create-module"; 347 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 348 case frontend::DumpTokens: return "-dump-tokens"; 349 case frontend::EmitAssembly: return "-S"; 350 case frontend::EmitBC: return "-emit-llvm-bc"; 351 case frontend::EmitHTML: return "-emit-html"; 352 case frontend::EmitLLVM: return "-emit-llvm"; 353 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 354 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 355 case frontend::EmitObj: return "-emit-obj"; 356 case frontend::FixIt: return "-fixit"; 357 case frontend::GeneratePCH: return "-emit-pch"; 358 case frontend::GeneratePTH: return "-emit-pth"; 359 case frontend::InitOnly: return "-init-only"; 360 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 361 case frontend::PrintDeclContext: return "-print-decl-contexts"; 362 case frontend::PrintPreamble: return "-print-preamble"; 363 case frontend::PrintPreprocessedInput: return "-E"; 364 case frontend::RewriteMacros: return "-rewrite-macros"; 365 case frontend::RewriteObjC: return "-rewrite-objc"; 366 case frontend::RewriteTest: return "-rewrite-test"; 367 case frontend::RunAnalysis: return "-analyze"; 368 case frontend::RunPreprocessorOnly: return "-Eonly"; 369 } 370 371 llvm_unreachable("Unexpected language kind!"); 372 return 0; 373 } 374 375 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 376 std::vector<std::string> &Res) { 377 if (!Opts.WorkingDir.empty()) { 378 Res.push_back("-working-directory"); 379 Res.push_back(Opts.WorkingDir); 380 } 381 } 382 383 static void FrontendOptsToArgs(const FrontendOptions &Opts, 384 std::vector<std::string> &Res) { 385 if (Opts.DisableFree) 386 Res.push_back("-disable-free"); 387 if (Opts.RelocatablePCH) 388 Res.push_back("-relocatable-pch"); 389 if (Opts.ChainedPCH) 390 Res.push_back("-chained-pch"); 391 if (Opts.ShowHelp) 392 Res.push_back("-help"); 393 if (Opts.ShowMacrosInCodeCompletion) 394 Res.push_back("-code-completion-macros"); 395 if (Opts.ShowCodePatternsInCodeCompletion) 396 Res.push_back("-code-completion-patterns"); 397 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 398 Res.push_back("-no-code-completion-globals"); 399 if (Opts.ShowStats) 400 Res.push_back("-print-stats"); 401 if (Opts.ShowTimers) 402 Res.push_back("-ftime-report"); 403 if (Opts.ShowVersion) 404 Res.push_back("-version"); 405 if (Opts.FixWhatYouCan) 406 Res.push_back("-fix-what-you-can"); 407 408 bool NeedLang = false; 409 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 410 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 411 Opts.Inputs[i].first) 412 NeedLang = true; 413 if (NeedLang) { 414 Res.push_back("-x"); 415 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 416 } 417 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 418 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 419 "Unable to represent this input vector!"); 420 Res.push_back(Opts.Inputs[i].second); 421 } 422 423 if (!Opts.OutputFile.empty()) { 424 Res.push_back("-o"); 425 Res.push_back(Opts.OutputFile); 426 } 427 if (!Opts.CodeCompletionAt.FileName.empty()) { 428 Res.push_back("-code-completion-at"); 429 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 430 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 431 llvm::utostr(Opts.CodeCompletionAt.Column)); 432 } 433 if (Opts.ProgramAction != frontend::PluginAction) 434 Res.push_back(getActionName(Opts.ProgramAction)); 435 if (!Opts.ActionName.empty()) { 436 Res.push_back("-plugin"); 437 Res.push_back(Opts.ActionName); 438 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 439 Res.push_back("-plugin-arg-" + Opts.ActionName); 440 Res.push_back(Opts.PluginArgs[i]); 441 } 442 } 443 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 444 Res.push_back("-load"); 445 Res.push_back(Opts.Plugins[i]); 446 } 447 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 448 Res.push_back("-add-plugin"); 449 Res.push_back(Opts.AddPluginActions[i]); 450 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 451 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 452 Res.push_back(Opts.AddPluginArgs[i][ai]); 453 } 454 } 455 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 456 Res.push_back("-ast-merge"); 457 Res.push_back(Opts.ASTMergeFiles[i]); 458 } 459 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 460 Res.push_back("-import-module"); 461 Res.push_back(Opts.Modules[i]); 462 } 463 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 464 Res.push_back("-mllvm"); 465 Res.push_back(Opts.LLVMArgs[i]); 466 } 467 } 468 469 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 470 std::vector<std::string> &Res) { 471 if (Opts.Sysroot != "/") { 472 Res.push_back("-isysroot"); 473 Res.push_back(Opts.Sysroot); 474 } 475 476 /// User specified include entries. 477 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 478 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 479 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 480 llvm::report_fatal_error("Invalid option set!"); 481 if (E.IsUserSupplied) { 482 if (E.Group == frontend::After) { 483 Res.push_back("-idirafter"); 484 } else if (E.Group == frontend::Quoted) { 485 Res.push_back("-iquote"); 486 } else if (E.Group == frontend::System) { 487 Res.push_back("-isystem"); 488 } else if (E.Group == frontend::CXXSystem) { 489 Res.push_back("-cxx-isystem"); 490 } else { 491 assert(E.Group == frontend::Angled && "Invalid group!"); 492 Res.push_back(E.IsFramework ? "-F" : "-I"); 493 } 494 } else { 495 if (E.Group != frontend::Angled && E.Group != frontend::System) 496 llvm::report_fatal_error("Invalid option set!"); 497 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 498 "-iwithprefix"); 499 } 500 Res.push_back(E.Path); 501 } 502 503 if (!Opts.EnvIncPath.empty()) { 504 // FIXME: Provide an option for this, and move env detection to driver. 505 llvm::report_fatal_error("Not yet implemented!"); 506 } 507 if (!Opts.CEnvIncPath.empty()) { 508 // FIXME: Provide an option for this, and move env detection to driver. 509 llvm::report_fatal_error("Not yet implemented!"); 510 } 511 if (!Opts.ObjCEnvIncPath.empty()) { 512 // FIXME: Provide an option for this, and move env detection to driver. 513 llvm::report_fatal_error("Not yet implemented!"); 514 } 515 if (!Opts.CXXEnvIncPath.empty()) { 516 // FIXME: Provide an option for this, and move env detection to driver. 517 llvm::report_fatal_error("Not yet implemented!"); 518 } 519 if (!Opts.ObjCXXEnvIncPath.empty()) { 520 // FIXME: Provide an option for this, and move env detection to driver. 521 llvm::report_fatal_error("Not yet implemented!"); 522 } 523 if (!Opts.ResourceDir.empty()) { 524 Res.push_back("-resource-dir"); 525 Res.push_back(Opts.ResourceDir); 526 } 527 if (!Opts.UseStandardIncludes) 528 Res.push_back("-nostdinc"); 529 if (!Opts.UseStandardCXXIncludes) 530 Res.push_back("-nostdinc++"); 531 if (Opts.Verbose) 532 Res.push_back("-v"); 533 } 534 535 static void LangOptsToArgs(const LangOptions &Opts, 536 std::vector<std::string> &Res) { 537 LangOptions DefaultLangOpts; 538 539 // FIXME: Need to set -std to get all the implicit options. 540 541 // FIXME: We want to only pass options relative to the defaults, which 542 // requires constructing a target. :( 543 // 544 // It would be better to push the all target specific choices into the driver, 545 // so that everything below that was more uniform. 546 547 if (Opts.Trigraphs) 548 Res.push_back("-trigraphs"); 549 // Implicit based on the input kind: 550 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 551 // Implicit based on the input language standard: 552 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 553 if (Opts.DollarIdents) 554 Res.push_back("-fdollars-in-identifiers"); 555 if (Opts.GNUMode && !Opts.GNUKeywords) 556 Res.push_back("-fno-gnu-keywords"); 557 if (!Opts.GNUMode && Opts.GNUKeywords) 558 Res.push_back("-fgnu-keywords"); 559 if (Opts.Microsoft) 560 Res.push_back("-fms-extensions"); 561 if (Opts.MSCVersion != 0) 562 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 563 if (Opts.Borland) 564 Res.push_back("-fborland-extensions"); 565 if (Opts.ObjCNonFragileABI) 566 Res.push_back("-fobjc-nonfragile-abi"); 567 if (Opts.ObjCNonFragileABI2) 568 Res.push_back("-fobjc-nonfragile-abi"); 569 if (Opts.ObjCDefaultSynthProperties) 570 Res.push_back("-fobjc-default-synthesize-properties"); 571 // NoInline is implicit. 572 if (!Opts.CXXOperatorNames) 573 Res.push_back("-fno-operator-names"); 574 if (Opts.PascalStrings) 575 Res.push_back("-fpascal-strings"); 576 if (Opts.CatchUndefined) 577 Res.push_back("-fcatch-undefined-behavior"); 578 if (Opts.WritableStrings) 579 Res.push_back("-fwritable-strings"); 580 if (Opts.ConstStrings) 581 Res.push_back("-Wwrite-strings"); 582 if (!Opts.LaxVectorConversions) 583 Res.push_back("-fno-lax-vector-conversions"); 584 if (Opts.AltiVec) 585 Res.push_back("-faltivec"); 586 if (Opts.Exceptions) 587 Res.push_back("-fexceptions"); 588 if (Opts.ObjCExceptions) 589 Res.push_back("-fobjc-exceptions"); 590 if (Opts.CXXExceptions) 591 Res.push_back("-fcxx-exceptions"); 592 if (Opts.SjLjExceptions) 593 Res.push_back("-fsjlj-exceptions"); 594 if (!Opts.RTTI) 595 Res.push_back("-fno-rtti"); 596 if (Opts.MSBitfields) 597 Res.push_back("-mms-bitfields"); 598 if (!Opts.NeXTRuntime) 599 Res.push_back("-fgnu-runtime"); 600 if (Opts.Freestanding) 601 Res.push_back("-ffreestanding"); 602 if (Opts.FormatExtensions) 603 Res.push_back("-fformat-extensions"); 604 if (Opts.NoBuiltin) 605 Res.push_back("-fno-builtin"); 606 if (!Opts.AssumeSaneOperatorNew) 607 Res.push_back("-fno-assume-sane-operator-new"); 608 if (!Opts.ThreadsafeStatics) 609 Res.push_back("-fno-threadsafe-statics"); 610 if (Opts.POSIXThreads) 611 Res.push_back("-pthread"); 612 if (Opts.Blocks) 613 Res.push_back("-fblocks"); 614 if (Opts.EmitAllDecls) 615 Res.push_back("-femit-all-decls"); 616 if (Opts.MathErrno) 617 Res.push_back("-fmath-errno"); 618 switch (Opts.getSignedOverflowBehavior()) { 619 case LangOptions::SOB_Undefined: break; 620 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 621 case LangOptions::SOB_Trapping: 622 Res.push_back("-ftrapv"); break; 623 if (!Opts.OverflowHandler.empty()) { 624 Res.push_back("-ftrapv-handler"); 625 Res.push_back(Opts.OverflowHandler); 626 } 627 } 628 if (Opts.HeinousExtensions) 629 Res.push_back("-fheinous-gnu-extensions"); 630 // Optimize is implicit. 631 // OptimizeSize is implicit. 632 if (Opts.Static) 633 Res.push_back("-static-define"); 634 if (Opts.DumpRecordLayouts) 635 Res.push_back("-fdump-record-layouts"); 636 if (Opts.DumpVTableLayouts) 637 Res.push_back("-fdump-vtable-layouts"); 638 if (Opts.NoBitFieldTypeAlign) 639 Res.push_back("-fno-bitfield-type-alignment"); 640 if (Opts.PICLevel) { 641 Res.push_back("-pic-level"); 642 Res.push_back(llvm::utostr(Opts.PICLevel)); 643 } 644 if (Opts.ObjCGCBitmapPrint) 645 Res.push_back("-print-ivar-layout"); 646 if (Opts.NoConstantCFStrings) 647 Res.push_back("-fno-constant-cfstrings"); 648 if (!Opts.AccessControl) 649 Res.push_back("-fno-access-control"); 650 if (!Opts.CharIsSigned) 651 Res.push_back("-fno-signed-char"); 652 if (Opts.ShortWChar) 653 Res.push_back("-fshort-wchar"); 654 if (!Opts.ElideConstructors) 655 Res.push_back("-fno-elide-constructors"); 656 if (Opts.getGCMode() != LangOptions::NonGC) { 657 if (Opts.getGCMode() == LangOptions::HybridGC) { 658 Res.push_back("-fobjc-gc"); 659 } else { 660 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 661 Res.push_back("-fobjc-gc-only"); 662 } 663 } 664 if (Opts.AppleKext) 665 Res.push_back("-fapple-kext"); 666 667 if (Opts.getVisibilityMode() != DefaultVisibility) { 668 Res.push_back("-fvisibility"); 669 if (Opts.getVisibilityMode() == HiddenVisibility) { 670 Res.push_back("hidden"); 671 } else { 672 assert(Opts.getVisibilityMode() == ProtectedVisibility && 673 "Invalid visibility!"); 674 Res.push_back("protected"); 675 } 676 } 677 if (Opts.InlineVisibilityHidden) 678 Res.push_back("-fvisibility-inlines-hidden"); 679 680 if (Opts.getStackProtectorMode() != 0) { 681 Res.push_back("-stack-protector"); 682 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 683 } 684 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 685 Res.push_back("-ftemplate-depth"); 686 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 687 } 688 if (!Opts.ObjCConstantStringClass.empty()) { 689 Res.push_back("-fconstant-string-class"); 690 Res.push_back(Opts.ObjCConstantStringClass); 691 } 692 } 693 694 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 695 std::vector<std::string> &Res) { 696 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 697 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 698 Opts.Macros[i].first); 699 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 700 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 701 Res.push_back("-include"); 702 Res.push_back(Opts.Includes[i]); 703 } 704 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 705 Res.push_back("-imacros"); 706 Res.push_back(Opts.MacroIncludes[i]); 707 } 708 if (!Opts.UsePredefines) 709 Res.push_back("-undef"); 710 if (Opts.DetailedRecord) 711 Res.push_back("-detailed-preprocessing-record"); 712 if (!Opts.ImplicitPCHInclude.empty()) { 713 Res.push_back("-include-pch"); 714 Res.push_back(Opts.ImplicitPCHInclude); 715 } 716 if (!Opts.ImplicitPTHInclude.empty()) { 717 Res.push_back("-include-pth"); 718 Res.push_back(Opts.ImplicitPTHInclude); 719 } 720 if (!Opts.TokenCache.empty()) { 721 if (Opts.ImplicitPTHInclude.empty()) { 722 Res.push_back("-token-cache"); 723 Res.push_back(Opts.TokenCache); 724 } else 725 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 726 "Unsupported option combination!"); 727 } 728 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 729 Res.push_back("-remap-file"); 730 Res.push_back(Opts.RemappedFiles[i].first + ";" + 731 Opts.RemappedFiles[i].second); 732 } 733 } 734 735 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 736 std::vector<std::string> &Res) { 737 if (!Opts.ShowCPP && !Opts.ShowMacros) 738 llvm::report_fatal_error("Invalid option combination!"); 739 740 if (Opts.ShowCPP && Opts.ShowMacros) 741 Res.push_back("-dD"); 742 else if (!Opts.ShowCPP && Opts.ShowMacros) 743 Res.push_back("-dM"); 744 745 if (!Opts.ShowLineMarkers) 746 Res.push_back("-P"); 747 if (Opts.ShowComments) 748 Res.push_back("-C"); 749 if (Opts.ShowMacroComments) 750 Res.push_back("-CC"); 751 } 752 753 static void TargetOptsToArgs(const TargetOptions &Opts, 754 std::vector<std::string> &Res) { 755 Res.push_back("-triple"); 756 Res.push_back(Opts.Triple); 757 if (!Opts.CPU.empty()) { 758 Res.push_back("-target-cpu"); 759 Res.push_back(Opts.CPU); 760 } 761 if (!Opts.ABI.empty()) { 762 Res.push_back("-target-abi"); 763 Res.push_back(Opts.ABI); 764 } 765 if (!Opts.LinkerVersion.empty()) { 766 Res.push_back("-target-linker-version"); 767 Res.push_back(Opts.LinkerVersion); 768 } 769 if (!Opts.CXXABI.empty()) { 770 Res.push_back("-cxx-abi"); 771 Res.push_back(Opts.CXXABI); 772 } 773 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 774 Res.push_back("-target-feature"); 775 Res.push_back(Opts.Features[i]); 776 } 777 } 778 779 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 780 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 781 CodeGenOptsToArgs(getCodeGenOpts(), Res); 782 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 783 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 784 FileSystemOptsToArgs(getFileSystemOpts(), Res); 785 FrontendOptsToArgs(getFrontendOpts(), Res); 786 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 787 LangOptsToArgs(getLangOpts(), Res); 788 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 789 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 790 TargetOptsToArgs(getTargetOpts(), Res); 791 } 792 793 //===----------------------------------------------------------------------===// 794 // Deserialization (to args) 795 //===----------------------------------------------------------------------===// 796 797 using namespace clang::driver; 798 using namespace clang::driver::cc1options; 799 800 // 801 802 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 803 Diagnostic &Diags) { 804 unsigned DefaultOpt = 0; 805 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 806 DefaultOpt = 2; 807 // -Os implies -O2 808 return Args.hasArg(OPT_Os) ? 2 : 809 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 810 } 811 812 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 813 Diagnostic &Diags) { 814 using namespace cc1options; 815 816 Opts.AnalysisList.clear(); 817 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 818 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 819 #include "clang/Frontend/Analyses.def" 820 821 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 822 llvm::StringRef Name = A->getValue(Args); 823 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 824 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 825 .Case(CMDFLAG, NAME##Model) 826 #include "clang/Frontend/Analyses.def" 827 .Default(NumStores); 828 // FIXME: Error handling. 829 if (Value == NumStores) 830 Diags.Report(diag::err_drv_invalid_value) 831 << A->getAsString(Args) << Name; 832 else 833 Opts.AnalysisStoreOpt = Value; 834 } 835 836 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 837 llvm::StringRef Name = A->getValue(Args); 838 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 839 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 840 .Case(CMDFLAG, NAME##Model) 841 #include "clang/Frontend/Analyses.def" 842 .Default(NumConstraints); 843 // FIXME: Error handling. 844 if (Value == NumConstraints) 845 Diags.Report(diag::err_drv_invalid_value) 846 << A->getAsString(Args) << Name; 847 else 848 Opts.AnalysisConstraintsOpt = Value; 849 } 850 851 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 852 llvm::StringRef Name = A->getValue(Args); 853 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 854 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 855 .Case(CMDFLAG, PD_##NAME) 856 #include "clang/Frontend/Analyses.def" 857 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 858 // FIXME: Error handling. 859 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 860 Diags.Report(diag::err_drv_invalid_value) 861 << A->getAsString(Args) << Name; 862 else 863 Opts.AnalysisDiagOpt = Value; 864 } 865 866 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 867 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 868 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 869 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 870 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 871 Opts.AnalyzeNestedBlocks = 872 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 873 Opts.AnalyzerStats = Args.hasArg(OPT_analysis_AnalyzerStats); 874 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 875 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 876 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 877 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 878 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 879 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 880 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 881 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 882 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 883 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 884 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 885 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 886 Opts.BufferOverflows = Args.hasArg(OPT_analysis_WarnBufferOverflows); 887 888 Opts.CheckersControlList.clear(); 889 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 890 OPT_analyzer_disable_checker), 891 ie = Args.filtered_end(); it != ie; ++it) { 892 const Arg *A = *it; 893 A->claim(); 894 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 895 // We can have a list of comma separated checker names, e.g: 896 // '-analyzer-checker=cocoa,unix' 897 llvm::StringRef checkerList = A->getValue(Args); 898 llvm::SmallVector<llvm::StringRef, 4> checkers; 899 checkerList.split(checkers, ","); 900 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 901 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 902 } 903 } 904 905 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 906 Diagnostic &Diags) { 907 using namespace cc1options; 908 909 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 910 if (Opts.OptimizationLevel > 3) { 911 Diags.Report(diag::err_drv_invalid_value) 912 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 913 Opts.OptimizationLevel = 3; 914 } 915 916 // We must always run at least the always inlining pass. 917 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 918 : CodeGenOptions::OnlyAlwaysInlining; 919 920 Opts.DebugInfo = Args.hasArg(OPT_g); 921 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 922 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 923 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 924 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 925 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 926 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 927 Opts.NoCommon = Args.hasArg(OPT_fno_common); 928 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 929 Opts.OptimizeSize = Args.hasArg(OPT_Os); 930 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 931 Args.hasArg(OPT_ffreestanding)); 932 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 933 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 934 935 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 936 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 937 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 938 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 939 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 940 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 941 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 942 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 943 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 944 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 945 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 946 Args.hasArg(OPT_cl_fast_relaxed_math); 947 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 948 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 949 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 950 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 951 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 952 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 953 Args.hasArg(OPT_cl_fast_relaxed_math); 954 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 955 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 956 957 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 958 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 959 960 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 961 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 962 963 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 964 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 965 966 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 967 llvm::StringRef Name = A->getValue(Args); 968 unsigned Method = llvm::StringSwitch<unsigned>(Name) 969 .Case("legacy", CodeGenOptions::Legacy) 970 .Case("non-legacy", CodeGenOptions::NonLegacy) 971 .Case("mixed", CodeGenOptions::Mixed) 972 .Default(~0U); 973 if (Method == ~0U) 974 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 975 else 976 Opts.ObjCDispatchMethod = Method; 977 } 978 } 979 980 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 981 ArgList &Args) { 982 using namespace cc1options; 983 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 984 Opts.Targets = Args.getAllArgValues(OPT_MT); 985 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 986 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 987 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 988 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 989 } 990 991 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 992 Diagnostic &Diags) { 993 using namespace cc1options; 994 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 995 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 996 Opts.Pedantic = Args.hasArg(OPT_pedantic); 997 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 998 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 999 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1000 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 1001 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1002 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1003 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1004 1005 llvm::StringRef ShowOverloads = 1006 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1007 if (ShowOverloads == "best") 1008 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1009 else if (ShowOverloads == "all") 1010 Opts.ShowOverloads = Diagnostic::Ovl_All; 1011 else 1012 Diags.Report(diag::err_drv_invalid_value) 1013 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1014 << ShowOverloads; 1015 1016 llvm::StringRef ShowCategory = 1017 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1018 if (ShowCategory == "none") 1019 Opts.ShowCategories = 0; 1020 else if (ShowCategory == "id") 1021 Opts.ShowCategories = 1; 1022 else if (ShowCategory == "name") 1023 Opts.ShowCategories = 2; 1024 else 1025 Diags.Report(diag::err_drv_invalid_value) 1026 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1027 << ShowCategory; 1028 1029 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1030 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1031 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1032 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1033 Opts.MacroBacktraceLimit 1034 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1035 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1036 Opts.TemplateBacktraceLimit 1037 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1038 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1039 Diags); 1040 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1041 DiagnosticOptions::DefaultTabStop, Diags); 1042 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1043 Diags.Report(diag::warn_ignoring_ftabstop_value) 1044 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1045 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1046 } 1047 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1048 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1049 Opts.Warnings = Args.getAllArgValues(OPT_W); 1050 } 1051 1052 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1053 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1054 } 1055 1056 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1057 Diagnostic &Diags) { 1058 using namespace cc1options; 1059 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1060 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1061 switch (A->getOption().getID()) { 1062 default: 1063 assert(0 && "Invalid option in group!"); 1064 case OPT_ast_dump: 1065 Opts.ProgramAction = frontend::ASTDump; break; 1066 case OPT_ast_dump_xml: 1067 Opts.ProgramAction = frontend::ASTDumpXML; break; 1068 case OPT_ast_print: 1069 Opts.ProgramAction = frontend::ASTPrint; break; 1070 case OPT_ast_print_xml: 1071 Opts.ProgramAction = frontend::ASTPrintXML; break; 1072 case OPT_ast_view: 1073 Opts.ProgramAction = frontend::ASTView; break; 1074 case OPT_boostcon: 1075 Opts.ProgramAction = frontend::BoostCon; break; 1076 case OPT_dump_raw_tokens: 1077 Opts.ProgramAction = frontend::DumpRawTokens; break; 1078 case OPT_dump_tokens: 1079 Opts.ProgramAction = frontend::DumpTokens; break; 1080 case OPT_S: 1081 Opts.ProgramAction = frontend::EmitAssembly; break; 1082 case OPT_emit_llvm_bc: 1083 Opts.ProgramAction = frontend::EmitBC; break; 1084 case OPT_emit_html: 1085 Opts.ProgramAction = frontend::EmitHTML; break; 1086 case OPT_emit_llvm: 1087 Opts.ProgramAction = frontend::EmitLLVM; break; 1088 case OPT_emit_llvm_only: 1089 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1090 case OPT_emit_codegen_only: 1091 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1092 case OPT_emit_obj: 1093 Opts.ProgramAction = frontend::EmitObj; break; 1094 case OPT_fixit_EQ: 1095 Opts.FixItSuffix = A->getValue(Args); 1096 // fall-through! 1097 case OPT_fixit: 1098 Opts.ProgramAction = frontend::FixIt; break; 1099 case OPT_emit_pch: 1100 Opts.ProgramAction = frontend::GeneratePCH; break; 1101 case OPT_emit_pth: 1102 Opts.ProgramAction = frontend::GeneratePTH; break; 1103 case OPT_init_only: 1104 Opts.ProgramAction = frontend::InitOnly; break; 1105 case OPT_fsyntax_only: 1106 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1107 case OPT_print_decl_contexts: 1108 Opts.ProgramAction = frontend::PrintDeclContext; break; 1109 case OPT_print_preamble: 1110 Opts.ProgramAction = frontend::PrintPreamble; break; 1111 case OPT_E: 1112 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1113 case OPT_rewrite_macros: 1114 Opts.ProgramAction = frontend::RewriteMacros; break; 1115 case OPT_rewrite_objc: 1116 Opts.ProgramAction = frontend::RewriteObjC; break; 1117 case OPT_rewrite_test: 1118 Opts.ProgramAction = frontend::RewriteTest; break; 1119 case OPT_analyze: 1120 Opts.ProgramAction = frontend::RunAnalysis; break; 1121 case OPT_Eonly: 1122 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1123 case OPT_create_module: 1124 Opts.ProgramAction = frontend::CreateModule; break; 1125 } 1126 } 1127 1128 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1129 Opts.Plugins.push_back(A->getValue(Args,0)); 1130 Opts.ProgramAction = frontend::PluginAction; 1131 Opts.ActionName = A->getValue(Args); 1132 1133 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1134 end = Args.filtered_end(); it != end; ++it) { 1135 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1136 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1137 } 1138 } 1139 1140 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1141 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1142 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1143 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1144 end = Args.filtered_end(); it != end; ++it) { 1145 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1146 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1147 } 1148 } 1149 1150 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1151 Opts.CodeCompletionAt = 1152 ParsedSourceLocation::FromString(A->getValue(Args)); 1153 if (Opts.CodeCompletionAt.FileName.empty()) 1154 Diags.Report(diag::err_drv_invalid_value) 1155 << A->getAsString(Args) << A->getValue(Args); 1156 } 1157 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1158 1159 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1160 Opts.Plugins = Args.getAllArgValues(OPT_load); 1161 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1162 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1163 Opts.ShowHelp = Args.hasArg(OPT_help); 1164 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1165 Opts.ShowCodePatternsInCodeCompletion 1166 = Args.hasArg(OPT_code_completion_patterns); 1167 Opts.ShowGlobalSymbolsInCodeCompletion 1168 = !Args.hasArg(OPT_no_code_completion_globals); 1169 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1170 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1171 Opts.ShowVersion = Args.hasArg(OPT_version); 1172 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1173 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1174 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1175 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1176 1177 InputKind DashX = IK_None; 1178 if (const Arg *A = Args.getLastArg(OPT_x)) { 1179 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1180 .Case("c", IK_C) 1181 .Case("cl", IK_OpenCL) 1182 .Case("c", IK_C) 1183 .Case("cl", IK_OpenCL) 1184 .Case("cuda", IK_CUDA) 1185 .Case("c++", IK_CXX) 1186 .Case("objective-c", IK_ObjC) 1187 .Case("objective-c++", IK_ObjCXX) 1188 .Case("cpp-output", IK_PreprocessedC) 1189 .Case("assembler-with-cpp", IK_Asm) 1190 .Case("c++-cpp-output", IK_PreprocessedCXX) 1191 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1192 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1193 .Case("c-header", IK_C) 1194 .Case("objective-c-header", IK_ObjC) 1195 .Case("c++-header", IK_CXX) 1196 .Case("objective-c++-header", IK_ObjCXX) 1197 .Case("ast", IK_AST) 1198 .Case("ir", IK_LLVM_IR) 1199 .Default(IK_None); 1200 if (DashX == IK_None) 1201 Diags.Report(diag::err_drv_invalid_value) 1202 << A->getAsString(Args) << A->getValue(Args); 1203 } 1204 1205 // '-' is the default input if none is given. 1206 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1207 Opts.Inputs.clear(); 1208 if (Inputs.empty()) 1209 Inputs.push_back("-"); 1210 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1211 InputKind IK = DashX; 1212 if (IK == IK_None) { 1213 IK = FrontendOptions::getInputKindForExtension( 1214 llvm::StringRef(Inputs[i]).rsplit('.').second); 1215 // FIXME: Remove this hack. 1216 if (i == 0) 1217 DashX = IK; 1218 } 1219 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1220 } 1221 1222 return DashX; 1223 } 1224 1225 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1226 void *MainAddr) { 1227 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1228 1229 if (!P.isEmpty()) { 1230 P.eraseComponent(); // Remove /clang from foo/bin/clang 1231 P.eraseComponent(); // Remove /bin from foo/bin 1232 1233 // Get foo/lib/clang/<version>/include 1234 P.appendComponent("lib"); 1235 P.appendComponent("clang"); 1236 P.appendComponent(CLANG_VERSION_STRING); 1237 } 1238 1239 return P.str(); 1240 } 1241 1242 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1243 using namespace cc1options; 1244 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1245 Opts.Verbose = Args.hasArg(OPT_v); 1246 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1247 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1248 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1249 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1250 1251 // Add -I... and -F... options in order. 1252 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1253 ie = Args.filtered_end(); it != ie; ++it) 1254 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1255 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1256 1257 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1258 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1259 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1260 OPT_iwithprefixbefore), 1261 ie = Args.filtered_end(); it != ie; ++it) { 1262 const Arg *A = *it; 1263 if (A->getOption().matches(OPT_iprefix)) 1264 Prefix = A->getValue(Args); 1265 else if (A->getOption().matches(OPT_iwithprefix)) 1266 Opts.AddPath(Prefix.str() + A->getValue(Args), 1267 frontend::System, false, false, true); 1268 else 1269 Opts.AddPath(Prefix.str() + A->getValue(Args), 1270 frontend::Angled, false, false, true); 1271 } 1272 1273 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1274 ie = Args.filtered_end(); it != ie; ++it) 1275 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1276 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1277 ie = Args.filtered_end(); it != ie; ++it) 1278 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1279 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1280 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1281 Opts.AddPath((*it)->getValue(Args), 1282 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1283 frontend::CXXSystem : frontend::System), 1284 true, false, (*it)->getOption().matches(OPT_iwithsysroot)); 1285 1286 // FIXME: Need options for the various environment variables! 1287 } 1288 1289 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1290 LangStandard::Kind LangStd) { 1291 // Set some properties which depend soley on the input kind; it would be nice 1292 // to move these to the language standard, and have the driver resolve the 1293 // input kind + language standard. 1294 if (IK == IK_Asm) { 1295 Opts.AsmPreprocessor = 1; 1296 } else if (IK == IK_ObjC || 1297 IK == IK_ObjCXX || 1298 IK == IK_PreprocessedObjC || 1299 IK == IK_PreprocessedObjCXX) { 1300 Opts.ObjC1 = Opts.ObjC2 = 1; 1301 } 1302 1303 if (LangStd == LangStandard::lang_unspecified) { 1304 // Based on the base language, pick one. 1305 switch (IK) { 1306 case IK_None: 1307 case IK_AST: 1308 case IK_LLVM_IR: 1309 assert(0 && "Invalid input kind!"); 1310 case IK_OpenCL: 1311 LangStd = LangStandard::lang_opencl; 1312 break; 1313 case IK_CUDA: 1314 LangStd = LangStandard::lang_cuda; 1315 break; 1316 case IK_Asm: 1317 case IK_C: 1318 case IK_PreprocessedC: 1319 case IK_ObjC: 1320 case IK_PreprocessedObjC: 1321 LangStd = LangStandard::lang_gnu99; 1322 break; 1323 case IK_CXX: 1324 case IK_PreprocessedCXX: 1325 case IK_ObjCXX: 1326 case IK_PreprocessedObjCXX: 1327 LangStd = LangStandard::lang_gnucxx98; 1328 break; 1329 } 1330 } 1331 1332 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1333 Opts.BCPLComment = Std.hasBCPLComments(); 1334 Opts.C99 = Std.isC99(); 1335 Opts.CPlusPlus = Std.isCPlusPlus(); 1336 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1337 Opts.Digraphs = Std.hasDigraphs(); 1338 Opts.GNUMode = Std.isGNUMode(); 1339 Opts.GNUInline = !Std.isC99(); 1340 Opts.HexFloats = Std.hasHexFloats(); 1341 Opts.ImplicitInt = Std.hasImplicitInt(); 1342 1343 // OpenCL has some additional defaults. 1344 if (LangStd == LangStandard::lang_opencl) { 1345 Opts.OpenCL = 1; 1346 Opts.AltiVec = 1; 1347 Opts.CXXOperatorNames = 1; 1348 Opts.LaxVectorConversions = 1; 1349 Opts.DefaultFPContract = 1; 1350 } 1351 1352 if (LangStd == LangStandard::lang_cuda) 1353 Opts.CUDA = 1; 1354 1355 // OpenCL and C++ both have bool, true, false keywords. 1356 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1357 1358 Opts.GNUKeywords = Opts.GNUMode; 1359 Opts.CXXOperatorNames = Opts.CPlusPlus; 1360 1361 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1362 // is specified, or -std is set to a conforming mode. 1363 Opts.Trigraphs = !Opts.GNUMode; 1364 1365 Opts.DollarIdents = !Opts.AsmPreprocessor; 1366 } 1367 1368 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1369 Diagnostic &Diags) { 1370 // FIXME: Cleanup per-file based stuff. 1371 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1372 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1373 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1374 #define LANGSTANDARD(id, name, desc, features) \ 1375 .Case(name, LangStandard::lang_##id) 1376 #include "clang/Frontend/LangStandards.def" 1377 .Default(LangStandard::lang_unspecified); 1378 if (LangStd == LangStandard::lang_unspecified) 1379 Diags.Report(diag::err_drv_invalid_value) 1380 << A->getAsString(Args) << A->getValue(Args); 1381 } 1382 1383 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1384 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1385 Diags.Report(diag::err_drv_invalid_value) 1386 << A->getAsString(Args) << A->getValue(Args); 1387 } 1388 } 1389 1390 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1391 1392 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1393 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1394 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1395 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1396 // name, as it doesn't seem a useful distinction. 1397 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1398 Opts.GNUKeywords); 1399 1400 if (Args.hasArg(OPT_fno_operator_names)) 1401 Opts.CXXOperatorNames = 0; 1402 1403 if (Args.hasArg(OPT_fobjc_gc_only)) 1404 Opts.setGCMode(LangOptions::GCOnly); 1405 else if (Args.hasArg(OPT_fobjc_gc)) 1406 Opts.setGCMode(LangOptions::HybridGC); 1407 1408 if (Args.hasArg(OPT_fapple_kext)) { 1409 if (!Opts.CPlusPlus) 1410 Diags.Report(diag::warn_c_kext); 1411 else 1412 Opts.AppleKext = 1; 1413 } 1414 1415 if (Args.hasArg(OPT_print_ivar_layout)) 1416 Opts.ObjCGCBitmapPrint = 1; 1417 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1418 Opts.NoConstantCFStrings = 1; 1419 1420 if (Args.hasArg(OPT_faltivec)) 1421 Opts.AltiVec = 1; 1422 1423 if (Args.hasArg(OPT_pthread)) 1424 Opts.POSIXThreads = 1; 1425 1426 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1427 if (Vis == "default") 1428 Opts.setVisibilityMode(DefaultVisibility); 1429 else if (Vis == "hidden") 1430 Opts.setVisibilityMode(HiddenVisibility); 1431 else if (Vis == "protected") 1432 Opts.setVisibilityMode(ProtectedVisibility); 1433 else 1434 Diags.Report(diag::err_drv_invalid_value) 1435 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1436 1437 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1438 Opts.InlineVisibilityHidden = 1; 1439 1440 if (Args.hasArg(OPT_ftrapv)) { 1441 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1442 // Set the handler, if one is specified. 1443 Opts.OverflowHandler = 1444 Args.getLastArgValue(OPT_ftrapv_handler); 1445 } 1446 else if (Args.hasArg(OPT_fwrapv)) 1447 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1448 1449 if (Args.hasArg(OPT_trigraphs)) 1450 Opts.Trigraphs = 1; 1451 1452 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1453 OPT_fno_dollars_in_identifiers, 1454 Opts.DollarIdents); 1455 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1456 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1457 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1458 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1459 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1460 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1461 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1462 Opts.LaxVectorConversions = 0; 1463 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1464 Opts.ThreadsafeStatics = 0; 1465 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1466 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1467 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1468 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1469 1470 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1471 Opts.Blocks = Args.hasArg(OPT_fblocks); 1472 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1473 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1474 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1475 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1476 Opts.FormatExtensions = Args.hasArg(OPT_fformat_extensions); 1477 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1478 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1479 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1480 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1481 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1482 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1483 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1484 Diags); 1485 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1486 0, Diags); 1487 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1488 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1489 Opts.ObjCConstantStringClass = 1490 Args.getLastArgValue(OPT_fconstant_string_class); 1491 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1492 if (Opts.ObjCNonFragileABI) 1493 Opts.ObjCNonFragileABI2 = true; 1494 Opts.ObjCDefaultSynthProperties = 1495 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1496 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1497 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1498 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1499 Opts.Static = Args.hasArg(OPT_static_define); 1500 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1501 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1502 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1503 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1504 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1505 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1506 Opts.OptimizeSize = 0; 1507 1508 // FIXME: Eliminate this dependency. 1509 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1510 Opts.Optimize = Opt != 0; 1511 1512 // This is the __NO_INLINE__ define, which just depends on things like the 1513 // optimization level and -fno-inline, not actually whether the backend has 1514 // inlining enabled. 1515 // 1516 // FIXME: This is affected by other options (-fno-inline). 1517 Opts.NoInline = !Opt; 1518 1519 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1520 switch (SSP) { 1521 default: 1522 Diags.Report(diag::err_drv_invalid_value) 1523 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1524 break; 1525 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1526 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1527 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1528 } 1529 } 1530 1531 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1532 FileManager &FileMgr, 1533 Diagnostic &Diags) { 1534 using namespace cc1options; 1535 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1536 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1537 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1538 Opts.TokenCache = A->getValue(Args); 1539 else 1540 Opts.TokenCache = Opts.ImplicitPTHInclude; 1541 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1542 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1543 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1544 1545 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1546 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1547 ie = Args.filtered_end(); it != ie; ++it) { 1548 const Arg *A = *it; 1549 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1550 } 1551 1552 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1553 llvm::StringRef Value(A->getValue(Args)); 1554 size_t Comma = Value.find(','); 1555 unsigned Bytes = 0; 1556 unsigned EndOfLine = 0; 1557 1558 if (Comma == llvm::StringRef::npos || 1559 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1560 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1561 Diags.Report(diag::err_drv_preamble_format); 1562 else { 1563 Opts.PrecompiledPreambleBytes.first = Bytes; 1564 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1565 } 1566 } 1567 1568 // Add macros from the command line. 1569 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1570 ie = Args.filtered_end(); it != ie; ++it) { 1571 if ((*it)->getOption().matches(OPT_D)) 1572 Opts.addMacroDef((*it)->getValue(Args)); 1573 else 1574 Opts.addMacroUndef((*it)->getValue(Args)); 1575 } 1576 1577 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1578 1579 // Add the ordered list of -includes. 1580 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1581 OPT_include_pth), 1582 ie = Args.filtered_end(); it != ie; ++it) { 1583 const Arg *A = *it; 1584 // PCH is handled specially, we need to extra the original include path. 1585 if (A->getOption().matches(OPT_include_pch)) { 1586 std::string OriginalFile = 1587 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1588 if (OriginalFile.empty()) 1589 continue; 1590 1591 Opts.Includes.push_back(OriginalFile); 1592 } else 1593 Opts.Includes.push_back(A->getValue(Args)); 1594 } 1595 1596 // Include 'altivec.h' if -faltivec option present 1597 if (Args.hasArg(OPT_faltivec)) 1598 Opts.Includes.push_back("altivec.h"); 1599 1600 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1601 ie = Args.filtered_end(); it != ie; ++it) { 1602 const Arg *A = *it; 1603 std::pair<llvm::StringRef,llvm::StringRef> Split = 1604 llvm::StringRef(A->getValue(Args)).split(';'); 1605 1606 if (Split.second.empty()) { 1607 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1608 continue; 1609 } 1610 1611 Opts.addRemappedFile(Split.first, Split.second); 1612 } 1613 } 1614 1615 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1616 ArgList &Args) { 1617 using namespace cc1options; 1618 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1619 Opts.ShowComments = Args.hasArg(OPT_C); 1620 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1621 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1622 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1623 } 1624 1625 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1626 using namespace cc1options; 1627 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1628 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1629 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1630 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1631 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1632 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1633 1634 // Use the host triple if unspecified. 1635 if (Opts.Triple.empty()) 1636 Opts.Triple = llvm::sys::getHostTriple(); 1637 } 1638 1639 // 1640 1641 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1642 const char *const *ArgBegin, 1643 const char *const *ArgEnd, 1644 Diagnostic &Diags) { 1645 // Parse the arguments. 1646 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1647 unsigned MissingArgIndex, MissingArgCount; 1648 llvm::OwningPtr<InputArgList> Args( 1649 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1650 1651 // Check for missing argument error. 1652 if (MissingArgCount) 1653 Diags.Report(diag::err_drv_missing_argument) 1654 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1655 1656 // Issue errors on unknown arguments. 1657 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1658 ie = Args->filtered_end(); it != ie; ++it) 1659 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1660 1661 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1662 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1663 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1664 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1665 // FIXME: We shouldn't have to pass the DashX option around here 1666 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1667 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1668 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1669 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1670 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1671 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1672 Res.getLangOpts().ObjCExceptions = 1; 1673 } 1674 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1675 // PCH file and find the original header name. Remove the need to do that in 1676 // ParsePreprocessorArgs and remove the FileManager 1677 // parameters from the function and the "FileManager.h" #include. 1678 FileManager FileMgr(Res.getFileSystemOpts()); 1679 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1680 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1681 ParseTargetArgs(Res.getTargetOpts(), *Args); 1682 } 1683