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.AnalysisStoreOpt != BasicStoreModel) { 82 Res.push_back("-analyzer-store"); 83 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 84 } 85 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 86 Res.push_back("-analyzer-constraints"); 87 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 88 } 89 if (Opts.AnalysisDiagOpt != PD_HTML) { 90 Res.push_back("-analyzer-output"); 91 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 92 } 93 if (!Opts.AnalyzeSpecificFunction.empty()) { 94 Res.push_back("-analyze-function"); 95 Res.push_back(Opts.AnalyzeSpecificFunction); 96 } 97 if (Opts.AnalyzeAll) 98 Res.push_back("-analyzer-opt-analyze-headers"); 99 if (Opts.AnalyzerDisplayProgress) 100 Res.push_back("-analyzer-display-progress"); 101 if (Opts.AnalyzeNestedBlocks) 102 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 103 if (Opts.AnalyzerStats) 104 Res.push_back("-analyzer-stats"); 105 if (Opts.EagerlyAssume) 106 Res.push_back("-analyzer-eagerly-assume"); 107 if (!Opts.PurgeDead) 108 Res.push_back("-analyzer-no-purge-dead"); 109 if (Opts.TrimGraph) 110 Res.push_back("-trim-egraph"); 111 if (Opts.VisualizeEGDot) 112 Res.push_back("-analyzer-viz-egraph-graphviz"); 113 if (Opts.VisualizeEGDot) 114 Res.push_back("-analyzer-viz-egraph-ubigraph"); 115 if (Opts.EnableExperimentalChecks) 116 Res.push_back("-analyzer-experimental-checks"); 117 if (Opts.EnableExperimentalInternalChecks) 118 Res.push_back("-analyzer-experimental-internal-checks"); 119 if (Opts.IdempotentOps) 120 Res.push_back("-analyzer-check-idempotent-operations"); 121 } 122 123 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 124 std::vector<std::string> &Res) { 125 if (Opts.DebugInfo) 126 Res.push_back("-g"); 127 if (Opts.DisableLLVMOpts) 128 Res.push_back("-disable-llvm-optzns"); 129 if (Opts.DisableRedZone) 130 Res.push_back("-disable-red-zone"); 131 if (!Opts.DwarfDebugFlags.empty()) { 132 Res.push_back("-dwarf-debug-flags"); 133 Res.push_back(Opts.DwarfDebugFlags); 134 } 135 if (!Opts.MergeAllConstants) 136 Res.push_back("-fno-merge-all-constants"); 137 if (Opts.NoCommon) 138 Res.push_back("-fno-common"); 139 if (Opts.NoImplicitFloat) 140 Res.push_back("-no-implicit-float"); 141 if (Opts.OmitLeafFramePointer) 142 Res.push_back("-momit-leaf-frame-pointer"); 143 if (Opts.OptimizeSize) { 144 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 145 Res.push_back("-Os"); 146 } else if (Opts.OptimizationLevel != 0) 147 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 148 if (!Opts.MainFileName.empty()) { 149 Res.push_back("-main-file-name"); 150 Res.push_back(Opts.MainFileName); 151 } 152 // SimplifyLibCalls is only derived. 153 // TimePasses is only derived. 154 // UnitAtATime is unused. 155 // Inlining is only derived. 156 157 // UnrollLoops is derived, but also accepts an option, no 158 // harm in pushing it back here. 159 if (Opts.UnrollLoops) 160 Res.push_back("-funroll-loops"); 161 if (Opts.DataSections) 162 Res.push_back("-fdata-sections"); 163 if (Opts.FunctionSections) 164 Res.push_back("-ffunction-sections"); 165 if (Opts.AsmVerbose) 166 Res.push_back("-masm-verbose"); 167 if (!Opts.CodeModel.empty()) { 168 Res.push_back("-mcode-model"); 169 Res.push_back(Opts.CodeModel); 170 } 171 if (!Opts.CXAAtExit) 172 Res.push_back("-fno-use-cxa-atexit"); 173 if (Opts.CXXCtorDtorAliases) 174 Res.push_back("-mconstructor-aliases"); 175 if (!Opts.DebugPass.empty()) { 176 Res.push_back("-mdebug-pass"); 177 Res.push_back(Opts.DebugPass); 178 } 179 if (Opts.DisableFPElim) 180 Res.push_back("-mdisable-fp-elim"); 181 if (!Opts.FloatABI.empty()) { 182 Res.push_back("-mfloat-abi"); 183 Res.push_back(Opts.FloatABI); 184 } 185 if (!Opts.LimitFloatPrecision.empty()) { 186 Res.push_back("-mlimit-float-precision"); 187 Res.push_back(Opts.LimitFloatPrecision); 188 } 189 if (Opts.NoZeroInitializedInBSS) 190 Res.push_back("-mno-zero-initialized-bss"); 191 switch (Opts.getObjCDispatchMethod()) { 192 case CodeGenOptions::Legacy: 193 break; 194 case CodeGenOptions::Mixed: 195 Res.push_back("-fobjc-dispatch-method=mixed"); 196 break; 197 case CodeGenOptions::NonLegacy: 198 Res.push_back("-fobjc-dispatch-method=non-legacy"); 199 break; 200 } 201 if (Opts.RelaxAll) 202 Res.push_back("-mrelax-all"); 203 if (Opts.SoftFloat) 204 Res.push_back("-msoft-float"); 205 if (Opts.UnwindTables) 206 Res.push_back("-munwind-tables"); 207 if (Opts.RelocationModel != "pic") { 208 Res.push_back("-mrelocation-model"); 209 Res.push_back(Opts.RelocationModel); 210 } 211 if (!Opts.VerifyModule) 212 Res.push_back("-disable-llvm-verifier"); 213 } 214 215 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 216 std::vector<std::string> &Res) { 217 if (Opts.IncludeSystemHeaders) 218 Res.push_back("-sys-header-deps"); 219 if (Opts.UsePhonyTargets) 220 Res.push_back("-MP"); 221 if (!Opts.OutputFile.empty()) { 222 Res.push_back("-dependency-file"); 223 Res.push_back(Opts.OutputFile); 224 } 225 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 226 Res.push_back("-MT"); 227 Res.push_back(Opts.Targets[i]); 228 } 229 } 230 231 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 232 std::vector<std::string> &Res) { 233 if (Opts.IgnoreWarnings) 234 Res.push_back("-w"); 235 if (Opts.NoRewriteMacros) 236 Res.push_back("-Wno-rewrite-macros"); 237 if (Opts.Pedantic) 238 Res.push_back("-pedantic"); 239 if (Opts.PedanticErrors) 240 Res.push_back("-pedantic-errors"); 241 if (!Opts.ShowColumn) 242 Res.push_back("-fno-show-column"); 243 if (!Opts.ShowLocation) 244 Res.push_back("-fno-show-source-location"); 245 if (!Opts.ShowCarets) 246 Res.push_back("-fno-caret-diagnostics"); 247 if (!Opts.ShowFixits) 248 Res.push_back("-fno-diagnostics-fixit-info"); 249 if (Opts.ShowSourceRanges) 250 Res.push_back("-fdiagnostics-print-source-range-info"); 251 if (Opts.ShowParseableFixits) 252 Res.push_back("-fdiagnostics-parseable-fixits"); 253 if (Opts.ShowColors) 254 Res.push_back("-fcolor-diagnostics"); 255 if (Opts.VerifyDiagnostics) 256 Res.push_back("-verify"); 257 if (Opts.ShowOptionNames) 258 Res.push_back("-fdiagnostics-show-option"); 259 if (Opts.ShowCategories == 1) 260 Res.push_back("-fdiagnostics-show-category=id"); 261 else if (Opts.ShowCategories == 2) 262 Res.push_back("-fdiagnostics-show-category=name"); 263 if (Opts.ErrorLimit) { 264 Res.push_back("-ferror-limit"); 265 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 266 } 267 if (Opts.MacroBacktraceLimit 268 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 269 Res.push_back("-fmacro-backtrace-limit"); 270 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 271 } 272 if (Opts.TemplateBacktraceLimit 273 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 274 Res.push_back("-ftemplate-backtrace-limit"); 275 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 276 } 277 278 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 279 Res.push_back("-ftabstop"); 280 Res.push_back(llvm::utostr(Opts.TabStop)); 281 } 282 if (Opts.MessageLength) { 283 Res.push_back("-fmessage-length"); 284 Res.push_back(llvm::utostr(Opts.MessageLength)); 285 } 286 if (!Opts.DumpBuildInformation.empty()) { 287 Res.push_back("-dump-build-information"); 288 Res.push_back(Opts.DumpBuildInformation); 289 } 290 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 291 Res.push_back("-W" + Opts.Warnings[i]); 292 } 293 294 static const char *getInputKindName(InputKind Kind) { 295 switch (Kind) { 296 case IK_None: break; 297 case IK_AST: return "ast"; 298 case IK_Asm: return "assembler-with-cpp"; 299 case IK_C: return "c"; 300 case IK_CXX: return "c++"; 301 case IK_LLVM_IR: return "ir"; 302 case IK_ObjC: return "objective-c"; 303 case IK_ObjCXX: return "objective-c++"; 304 case IK_OpenCL: return "cl"; 305 case IK_CUDA: return "cuda"; 306 case IK_PreprocessedC: return "cpp-output"; 307 case IK_PreprocessedCXX: return "c++-cpp-output"; 308 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 309 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 310 } 311 312 llvm_unreachable("Unexpected language kind!"); 313 return 0; 314 } 315 316 static const char *getActionName(frontend::ActionKind Kind) { 317 switch (Kind) { 318 case frontend::PluginAction: 319 case frontend::InheritanceView: 320 llvm_unreachable("Invalid kind!"); 321 322 case frontend::ASTDump: return "-ast-dump"; 323 case frontend::ASTDumpXML: return "-ast-dump-xml"; 324 case frontend::ASTPrint: return "-ast-print"; 325 case frontend::ASTPrintXML: return "-ast-print-xml"; 326 case frontend::ASTView: return "-ast-view"; 327 case frontend::BoostCon: return "-boostcon"; 328 case frontend::CreateModule: return "-create-module"; 329 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 330 case frontend::DumpTokens: return "-dump-tokens"; 331 case frontend::EmitAssembly: return "-S"; 332 case frontend::EmitBC: return "-emit-llvm-bc"; 333 case frontend::EmitHTML: return "-emit-html"; 334 case frontend::EmitLLVM: return "-emit-llvm"; 335 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 336 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 337 case frontend::EmitObj: return "-emit-obj"; 338 case frontend::FixIt: return "-fixit"; 339 case frontend::GeneratePCH: return "-emit-pch"; 340 case frontend::GeneratePTH: return "-emit-pth"; 341 case frontend::InitOnly: return "-init-only"; 342 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 343 case frontend::PrintDeclContext: return "-print-decl-contexts"; 344 case frontend::PrintPreamble: return "-print-preamble"; 345 case frontend::PrintPreprocessedInput: return "-E"; 346 case frontend::RewriteMacros: return "-rewrite-macros"; 347 case frontend::RewriteObjC: return "-rewrite-objc"; 348 case frontend::RewriteTest: return "-rewrite-test"; 349 case frontend::RunAnalysis: return "-analyze"; 350 case frontend::RunPreprocessorOnly: return "-Eonly"; 351 } 352 353 llvm_unreachable("Unexpected language kind!"); 354 return 0; 355 } 356 357 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 358 std::vector<std::string> &Res) { 359 if (!Opts.WorkingDir.empty()) { 360 Res.push_back("-working-directory"); 361 Res.push_back(Opts.WorkingDir); 362 } 363 } 364 365 static void FrontendOptsToArgs(const FrontendOptions &Opts, 366 std::vector<std::string> &Res) { 367 if (Opts.DisableFree) 368 Res.push_back("-disable-free"); 369 if (Opts.RelocatablePCH) 370 Res.push_back("-relocatable-pch"); 371 if (Opts.ChainedPCH) 372 Res.push_back("-chained-pch"); 373 if (Opts.ShowHelp) 374 Res.push_back("-help"); 375 if (Opts.ShowMacrosInCodeCompletion) 376 Res.push_back("-code-completion-macros"); 377 if (Opts.ShowCodePatternsInCodeCompletion) 378 Res.push_back("-code-completion-patterns"); 379 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 380 Res.push_back("-no-code-completion-globals"); 381 if (Opts.ShowStats) 382 Res.push_back("-print-stats"); 383 if (Opts.ShowTimers) 384 Res.push_back("-ftime-report"); 385 if (Opts.ShowVersion) 386 Res.push_back("-version"); 387 if (Opts.FixWhatYouCan) 388 Res.push_back("-fix-what-you-can"); 389 390 bool NeedLang = false; 391 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 392 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 393 Opts.Inputs[i].first) 394 NeedLang = true; 395 if (NeedLang) { 396 Res.push_back("-x"); 397 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 398 } 399 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 400 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 401 "Unable to represent this input vector!"); 402 Res.push_back(Opts.Inputs[i].second); 403 } 404 405 if (!Opts.OutputFile.empty()) { 406 Res.push_back("-o"); 407 Res.push_back(Opts.OutputFile); 408 } 409 if (!Opts.ViewClassInheritance.empty()) { 410 Res.push_back("-cxx-inheritance-view"); 411 Res.push_back(Opts.ViewClassInheritance); 412 } 413 if (!Opts.CodeCompletionAt.FileName.empty()) { 414 Res.push_back("-code-completion-at"); 415 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 416 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 417 llvm::utostr(Opts.CodeCompletionAt.Column)); 418 } 419 if (Opts.ProgramAction != frontend::InheritanceView && 420 Opts.ProgramAction != frontend::PluginAction) 421 Res.push_back(getActionName(Opts.ProgramAction)); 422 if (!Opts.ActionName.empty()) { 423 Res.push_back("-plugin"); 424 Res.push_back(Opts.ActionName); 425 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 426 Res.push_back("-plugin-arg-" + Opts.ActionName); 427 Res.push_back(Opts.PluginArgs[i]); 428 } 429 } 430 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 431 Res.push_back("-load"); 432 Res.push_back(Opts.Plugins[i]); 433 } 434 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 435 Res.push_back("-ast-merge"); 436 Res.push_back(Opts.ASTMergeFiles[i]); 437 } 438 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 439 Res.push_back("-import-module"); 440 Res.push_back(Opts.Modules[i]); 441 } 442 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 443 Res.push_back("-mllvm"); 444 Res.push_back(Opts.LLVMArgs[i]); 445 } 446 } 447 448 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 449 std::vector<std::string> &Res) { 450 if (Opts.Sysroot != "/") { 451 Res.push_back("-isysroot"); 452 Res.push_back(Opts.Sysroot); 453 } 454 455 for (unsigned i = 0, e = Opts.CXXSystemIncludes.size(); i != e; ++i) { 456 Res.push_back("-cxx-system-include"); 457 Res.push_back(Opts.CXXSystemIncludes[i]); 458 } 459 460 /// User specified include entries. 461 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 462 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 463 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 464 llvm::report_fatal_error("Invalid option set!"); 465 if (E.IsUserSupplied) { 466 if (E.Group == frontend::After) { 467 Res.push_back("-idirafter"); 468 } else if (E.Group == frontend::Quoted) { 469 Res.push_back("-iquote"); 470 } else if (E.Group == frontend::System) { 471 Res.push_back("-isystem"); 472 } else { 473 assert(E.Group == frontend::Angled && "Invalid group!"); 474 Res.push_back(E.IsFramework ? "-F" : "-I"); 475 } 476 } else { 477 if (E.Group != frontend::Angled && E.Group != frontend::System) 478 llvm::report_fatal_error("Invalid option set!"); 479 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 480 "-iwithprefix"); 481 } 482 Res.push_back(E.Path); 483 } 484 485 if (!Opts.EnvIncPath.empty()) { 486 // FIXME: Provide an option for this, and move env detection to driver. 487 llvm::report_fatal_error("Not yet implemented!"); 488 } 489 if (!Opts.CEnvIncPath.empty()) { 490 // FIXME: Provide an option for this, and move env detection to driver. 491 llvm::report_fatal_error("Not yet implemented!"); 492 } 493 if (!Opts.ObjCEnvIncPath.empty()) { 494 // FIXME: Provide an option for this, and move env detection to driver. 495 llvm::report_fatal_error("Not yet implemented!"); 496 } 497 if (!Opts.CXXEnvIncPath.empty()) { 498 // FIXME: Provide an option for this, and move env detection to driver. 499 llvm::report_fatal_error("Not yet implemented!"); 500 } 501 if (!Opts.ObjCXXEnvIncPath.empty()) { 502 // FIXME: Provide an option for this, and move env detection to driver. 503 llvm::report_fatal_error("Not yet implemented!"); 504 } 505 if (!Opts.ResourceDir.empty()) { 506 Res.push_back("-resource-dir"); 507 Res.push_back(Opts.ResourceDir); 508 } 509 if (!Opts.UseStandardIncludes) 510 Res.push_back("-nostdinc"); 511 if (!Opts.UseStandardCXXIncludes) 512 Res.push_back("-nostdinc++"); 513 if (Opts.Verbose) 514 Res.push_back("-v"); 515 } 516 517 static void LangOptsToArgs(const LangOptions &Opts, 518 std::vector<std::string> &Res) { 519 LangOptions DefaultLangOpts; 520 521 // FIXME: Need to set -std to get all the implicit options. 522 523 // FIXME: We want to only pass options relative to the defaults, which 524 // requires constructing a target. :( 525 // 526 // It would be better to push the all target specific choices into the driver, 527 // so that everything below that was more uniform. 528 529 if (Opts.Trigraphs) 530 Res.push_back("-trigraphs"); 531 // Implicit based on the input kind: 532 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 533 // Implicit based on the input language standard: 534 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 535 if (Opts.DollarIdents) 536 Res.push_back("-fdollars-in-identifiers"); 537 if (Opts.GNUMode && !Opts.GNUKeywords) 538 Res.push_back("-fno-gnu-keywords"); 539 if (!Opts.GNUMode && Opts.GNUKeywords) 540 Res.push_back("-fgnu-keywords"); 541 if (Opts.Microsoft) 542 Res.push_back("-fms-extensions"); 543 if (Opts.MSCVersion != 0) 544 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 545 if (Opts.Borland) 546 Res.push_back("-fborland-extensions"); 547 if (Opts.ObjCNonFragileABI) 548 Res.push_back("-fobjc-nonfragile-abi"); 549 if (Opts.ObjCNonFragileABI2) 550 Res.push_back("-fobjc-nonfragile-abi2"); 551 // NoInline is implicit. 552 if (!Opts.CXXOperatorNames) 553 Res.push_back("-fno-operator-names"); 554 if (Opts.PascalStrings) 555 Res.push_back("-fpascal-strings"); 556 if (Opts.CatchUndefined) 557 Res.push_back("-fcatch-undefined-behavior"); 558 if (Opts.WritableStrings) 559 Res.push_back("-fwritable-strings"); 560 if (Opts.ConstStrings) 561 Res.push_back("-Wwrite-strings"); 562 if (!Opts.LaxVectorConversions) 563 Res.push_back("-fno-lax-vector-conversions"); 564 if (Opts.AltiVec) 565 Res.push_back("-faltivec"); 566 if (Opts.Exceptions) 567 Res.push_back("-fexceptions"); 568 if (Opts.SjLjExceptions) 569 Res.push_back("-fsjlj-exceptions"); 570 if (!Opts.RTTI) 571 Res.push_back("-fno-rtti"); 572 if (!Opts.NeXTRuntime) 573 Res.push_back("-fgnu-runtime"); 574 if (Opts.Freestanding) 575 Res.push_back("-ffreestanding"); 576 if (Opts.NoBuiltin) 577 Res.push_back("-fno-builtin"); 578 if (!Opts.AssumeSaneOperatorNew) 579 Res.push_back("-fno-assume-sane-operator-new"); 580 if (!Opts.ThreadsafeStatics) 581 Res.push_back("-fno-threadsafe-statics"); 582 if (Opts.POSIXThreads) 583 Res.push_back("-pthread"); 584 if (Opts.Blocks) 585 Res.push_back("-fblocks"); 586 if (Opts.EmitAllDecls) 587 Res.push_back("-femit-all-decls"); 588 if (Opts.MathErrno) 589 Res.push_back("-fmath-errno"); 590 switch (Opts.getSignedOverflowBehavior()) { 591 case LangOptions::SOB_Undefined: break; 592 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 593 case LangOptions::SOB_Trapping: 594 Res.push_back("-ftrapv"); break; 595 if (!Opts.OverflowHandler.empty()) { 596 Res.push_back("-ftrapv-handler"); 597 Res.push_back(Opts.OverflowHandler); 598 } 599 } 600 if (Opts.HeinousExtensions) 601 Res.push_back("-fheinous-gnu-extensions"); 602 // Optimize is implicit. 603 // OptimizeSize is implicit. 604 if (Opts.Static) 605 Res.push_back("-static-define"); 606 if (Opts.DumpRecordLayouts) 607 Res.push_back("-fdump-record-layouts"); 608 if (Opts.DumpVTableLayouts) 609 Res.push_back("-fdump-vtable-layouts"); 610 if (Opts.NoBitFieldTypeAlign) 611 Res.push_back("-fno-bitfield-type-alignment"); 612 if (Opts.SjLjExceptions) 613 Res.push_back("-fsjlj-exceptions"); 614 if (Opts.PICLevel) { 615 Res.push_back("-pic-level"); 616 Res.push_back(llvm::utostr(Opts.PICLevel)); 617 } 618 if (Opts.ObjCGCBitmapPrint) 619 Res.push_back("-print-ivar-layout"); 620 if (Opts.NoConstantCFStrings) 621 Res.push_back("-fno-constant-cfstrings"); 622 if (!Opts.AccessControl) 623 Res.push_back("-fno-access-control"); 624 if (!Opts.CharIsSigned) 625 Res.push_back("-fno-signed-char"); 626 if (Opts.ShortWChar) 627 Res.push_back("-fshort-wchar"); 628 if (!Opts.ElideConstructors) 629 Res.push_back("-fno-elide-constructors"); 630 if (Opts.getGCMode() != LangOptions::NonGC) { 631 if (Opts.getGCMode() == LangOptions::HybridGC) { 632 Res.push_back("-fobjc-gc"); 633 } else { 634 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 635 Res.push_back("-fobjc-gc-only"); 636 } 637 } 638 if (Opts.getVisibilityMode() != DefaultVisibility) { 639 Res.push_back("-fvisibility"); 640 if (Opts.getVisibilityMode() == HiddenVisibility) { 641 Res.push_back("hidden"); 642 } else { 643 assert(Opts.getVisibilityMode() == ProtectedVisibility && 644 "Invalid visibility!"); 645 Res.push_back("protected"); 646 } 647 } 648 if (Opts.InlineVisibilityHidden) 649 Res.push_back("-fvisibility-inlines-hidden"); 650 651 if (Opts.getStackProtectorMode() != 0) { 652 Res.push_back("-stack-protector"); 653 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 654 } 655 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 656 Res.push_back("-ftemplate-depth"); 657 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 658 } 659 if (!Opts.ObjCConstantStringClass.empty()) { 660 Res.push_back("-fconstant-string-class"); 661 Res.push_back(Opts.ObjCConstantStringClass); 662 } 663 } 664 665 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 666 std::vector<std::string> &Res) { 667 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 668 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 669 Opts.Macros[i].first); 670 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 671 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 672 Res.push_back("-include"); 673 Res.push_back(Opts.Includes[i]); 674 } 675 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 676 Res.push_back("-imacros"); 677 Res.push_back(Opts.MacroIncludes[i]); 678 } 679 if (!Opts.UsePredefines) 680 Res.push_back("-undef"); 681 if (Opts.DetailedRecord) 682 Res.push_back("-detailed-preprocessing-record"); 683 if (!Opts.ImplicitPCHInclude.empty()) { 684 Res.push_back("-include-pch"); 685 Res.push_back(Opts.ImplicitPCHInclude); 686 } 687 if (!Opts.ImplicitPTHInclude.empty()) { 688 Res.push_back("-include-pth"); 689 Res.push_back(Opts.ImplicitPTHInclude); 690 } 691 if (!Opts.TokenCache.empty()) { 692 if (Opts.ImplicitPTHInclude.empty()) { 693 Res.push_back("-token-cache"); 694 Res.push_back(Opts.TokenCache); 695 } else 696 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 697 "Unsupported option combination!"); 698 } 699 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 700 Res.push_back("-remap-file"); 701 Res.push_back(Opts.RemappedFiles[i].first + ";" + 702 Opts.RemappedFiles[i].second); 703 } 704 } 705 706 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 707 std::vector<std::string> &Res) { 708 if (!Opts.ShowCPP && !Opts.ShowMacros) 709 llvm::report_fatal_error("Invalid option combination!"); 710 711 if (Opts.ShowCPP && Opts.ShowMacros) 712 Res.push_back("-dD"); 713 else if (!Opts.ShowCPP && Opts.ShowMacros) 714 Res.push_back("-dM"); 715 716 if (Opts.ShowHeaderIncludes) 717 Res.push_back("-H"); 718 if (!Opts.ShowLineMarkers) 719 Res.push_back("-P"); 720 if (Opts.ShowComments) 721 Res.push_back("-C"); 722 if (Opts.ShowMacroComments) 723 Res.push_back("-CC"); 724 } 725 726 static void TargetOptsToArgs(const TargetOptions &Opts, 727 std::vector<std::string> &Res) { 728 Res.push_back("-triple"); 729 Res.push_back(Opts.Triple); 730 if (!Opts.CPU.empty()) { 731 Res.push_back("-target-cpu"); 732 Res.push_back(Opts.CPU); 733 } 734 if (!Opts.ABI.empty()) { 735 Res.push_back("-target-abi"); 736 Res.push_back(Opts.ABI); 737 } 738 if (!Opts.LinkerVersion.empty()) { 739 Res.push_back("-target-linker-version"); 740 Res.push_back(Opts.LinkerVersion); 741 } 742 if (!Opts.CXXABI.empty()) { 743 Res.push_back("-cxx-abi"); 744 Res.push_back(Opts.CXXABI); 745 } 746 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 747 Res.push_back("-target-feature"); 748 Res.push_back(Opts.Features[i]); 749 } 750 } 751 752 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 753 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 754 CodeGenOptsToArgs(getCodeGenOpts(), Res); 755 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 756 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 757 FileSystemOptsToArgs(getFileSystemOpts(), Res); 758 FrontendOptsToArgs(getFrontendOpts(), Res); 759 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 760 LangOptsToArgs(getLangOpts(), Res); 761 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 762 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 763 TargetOptsToArgs(getTargetOpts(), Res); 764 } 765 766 //===----------------------------------------------------------------------===// 767 // Deserialization (to args) 768 //===----------------------------------------------------------------------===// 769 770 using namespace clang::driver; 771 using namespace clang::driver::cc1options; 772 773 // 774 775 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 776 Diagnostic &Diags) { 777 // -Os implies -O2 778 return Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 779 } 780 781 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 782 Diagnostic &Diags) { 783 using namespace cc1options; 784 785 Opts.AnalysisList.clear(); 786 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 787 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 788 #include "clang/Frontend/Analyses.def" 789 790 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 791 llvm::StringRef Name = A->getValue(Args); 792 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 793 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 794 .Case(CMDFLAG, NAME##Model) 795 #include "clang/Frontend/Analyses.def" 796 .Default(NumStores); 797 // FIXME: Error handling. 798 if (Value == NumStores) 799 Diags.Report(diag::err_drv_invalid_value) 800 << A->getAsString(Args) << Name; 801 else 802 Opts.AnalysisStoreOpt = Value; 803 } 804 805 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 806 llvm::StringRef Name = A->getValue(Args); 807 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 808 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 809 .Case(CMDFLAG, NAME##Model) 810 #include "clang/Frontend/Analyses.def" 811 .Default(NumConstraints); 812 // FIXME: Error handling. 813 if (Value == NumConstraints) 814 Diags.Report(diag::err_drv_invalid_value) 815 << A->getAsString(Args) << Name; 816 else 817 Opts.AnalysisConstraintsOpt = Value; 818 } 819 820 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 821 llvm::StringRef Name = A->getValue(Args); 822 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 823 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 824 .Case(CMDFLAG, PD_##NAME) 825 #include "clang/Frontend/Analyses.def" 826 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 827 // FIXME: Error handling. 828 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 829 Diags.Report(diag::err_drv_invalid_value) 830 << A->getAsString(Args) << Name; 831 else 832 Opts.AnalysisDiagOpt = Value; 833 } 834 835 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 836 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 837 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 838 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 839 Opts.AnalyzeNestedBlocks = 840 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 841 Opts.AnalyzerStats = Args.hasArg(OPT_analysis_AnalyzerStats); 842 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 843 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 844 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 845 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 846 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 847 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 848 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 849 Opts.EnableExperimentalInternalChecks = 850 Args.hasArg(OPT_analyzer_experimental_internal_checks); 851 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 852 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 853 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 854 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 855 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 856 } 857 858 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 859 Diagnostic &Diags) { 860 using namespace cc1options; 861 862 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 863 if (Opts.OptimizationLevel > 3) { 864 Diags.Report(diag::err_drv_invalid_value) 865 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 866 Opts.OptimizationLevel = 3; 867 } 868 869 // We must always run at least the always inlining pass. 870 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 871 : CodeGenOptions::OnlyAlwaysInlining; 872 873 Opts.DebugInfo = Args.hasArg(OPT_g); 874 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 875 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 876 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 877 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 878 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 879 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 880 Opts.NoCommon = Args.hasArg(OPT_fno_common); 881 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 882 Opts.OptimizeSize = Args.hasArg(OPT_Os); 883 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 884 Args.hasArg(OPT_ffreestanding)); 885 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 886 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 887 888 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 889 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 890 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 891 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 892 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 893 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 894 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 895 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 896 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 897 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 898 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 899 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 900 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 901 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 902 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 903 904 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 905 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 906 907 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 908 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 909 910 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 911 912 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 913 llvm::StringRef Name = A->getValue(Args); 914 unsigned Method = llvm::StringSwitch<unsigned>(Name) 915 .Case("legacy", CodeGenOptions::Legacy) 916 .Case("non-legacy", CodeGenOptions::NonLegacy) 917 .Case("mixed", CodeGenOptions::Mixed) 918 .Default(~0U); 919 if (Method == ~0U) 920 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 921 else 922 Opts.ObjCDispatchMethod = Method; 923 } 924 } 925 926 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 927 ArgList &Args) { 928 using namespace cc1options; 929 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 930 Opts.Targets = Args.getAllArgValues(OPT_MT); 931 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 932 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 933 } 934 935 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 936 Diagnostic &Diags) { 937 using namespace cc1options; 938 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 939 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 940 Opts.Pedantic = Args.hasArg(OPT_pedantic); 941 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 942 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 943 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 944 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 945 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 946 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 947 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 948 949 llvm::StringRef ShowOverloads = 950 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 951 if (ShowOverloads == "best") 952 Opts.ShowOverloads = Diagnostic::Ovl_Best; 953 else if (ShowOverloads == "all") 954 Opts.ShowOverloads = Diagnostic::Ovl_All; 955 else 956 Diags.Report(diag::err_drv_invalid_value) 957 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 958 << ShowOverloads; 959 960 llvm::StringRef ShowCategory = 961 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 962 if (ShowCategory == "none") 963 Opts.ShowCategories = 0; 964 else if (ShowCategory == "id") 965 Opts.ShowCategories = 1; 966 else if (ShowCategory == "name") 967 Opts.ShowCategories = 2; 968 else 969 Diags.Report(diag::err_drv_invalid_value) 970 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 971 << ShowCategory; 972 973 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 974 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 975 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 976 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 977 Opts.MacroBacktraceLimit 978 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 979 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 980 Opts.TemplateBacktraceLimit 981 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 982 DiagnosticOptions::DefaultTemplateBacktraceLimit, 983 Diags); 984 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 985 DiagnosticOptions::DefaultTabStop, Diags); 986 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 987 Diags.Report(diag::warn_ignoring_ftabstop_value) 988 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 989 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 990 } 991 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 992 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 993 Opts.Warnings = Args.getAllArgValues(OPT_W); 994 } 995 996 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 997 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 998 } 999 1000 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1001 Diagnostic &Diags) { 1002 using namespace cc1options; 1003 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1004 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1005 switch (A->getOption().getID()) { 1006 default: 1007 assert(0 && "Invalid option in group!"); 1008 case OPT_ast_dump: 1009 Opts.ProgramAction = frontend::ASTDump; break; 1010 case OPT_ast_dump_xml: 1011 Opts.ProgramAction = frontend::ASTDumpXML; break; 1012 case OPT_ast_print: 1013 Opts.ProgramAction = frontend::ASTPrint; break; 1014 case OPT_ast_print_xml: 1015 Opts.ProgramAction = frontend::ASTPrintXML; break; 1016 case OPT_ast_view: 1017 Opts.ProgramAction = frontend::ASTView; break; 1018 case OPT_boostcon: 1019 Opts.ProgramAction = frontend::BoostCon; break; 1020 case OPT_dump_raw_tokens: 1021 Opts.ProgramAction = frontend::DumpRawTokens; break; 1022 case OPT_dump_tokens: 1023 Opts.ProgramAction = frontend::DumpTokens; break; 1024 case OPT_S: 1025 Opts.ProgramAction = frontend::EmitAssembly; break; 1026 case OPT_emit_llvm_bc: 1027 Opts.ProgramAction = frontend::EmitBC; break; 1028 case OPT_emit_html: 1029 Opts.ProgramAction = frontend::EmitHTML; break; 1030 case OPT_emit_llvm: 1031 Opts.ProgramAction = frontend::EmitLLVM; break; 1032 case OPT_emit_llvm_only: 1033 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1034 case OPT_emit_codegen_only: 1035 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1036 case OPT_emit_obj: 1037 Opts.ProgramAction = frontend::EmitObj; break; 1038 case OPT_fixit_EQ: 1039 Opts.FixItSuffix = A->getValue(Args); 1040 // fall-through! 1041 case OPT_fixit: 1042 Opts.ProgramAction = frontend::FixIt; break; 1043 case OPT_emit_pch: 1044 Opts.ProgramAction = frontend::GeneratePCH; break; 1045 case OPT_emit_pth: 1046 Opts.ProgramAction = frontend::GeneratePTH; break; 1047 case OPT_init_only: 1048 Opts.ProgramAction = frontend::InitOnly; break; 1049 case OPT_fsyntax_only: 1050 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1051 case OPT_print_decl_contexts: 1052 Opts.ProgramAction = frontend::PrintDeclContext; break; 1053 case OPT_print_preamble: 1054 Opts.ProgramAction = frontend::PrintPreamble; break; 1055 case OPT_E: 1056 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1057 case OPT_rewrite_macros: 1058 Opts.ProgramAction = frontend::RewriteMacros; break; 1059 case OPT_rewrite_objc: 1060 Opts.ProgramAction = frontend::RewriteObjC; break; 1061 case OPT_rewrite_test: 1062 Opts.ProgramAction = frontend::RewriteTest; break; 1063 case OPT_analyze: 1064 Opts.ProgramAction = frontend::RunAnalysis; break; 1065 case OPT_Eonly: 1066 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1067 case OPT_create_module: 1068 Opts.ProgramAction = frontend::CreateModule; break; 1069 } 1070 } 1071 1072 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1073 Opts.Plugins.push_back(A->getValue(Args,0)); 1074 Opts.ProgramAction = frontend::PluginAction; 1075 Opts.ActionName = A->getValue(Args); 1076 1077 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1078 end = Args.filtered_end(); it != end; ++it) { 1079 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1080 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1081 } 1082 } 1083 1084 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1085 Opts.CodeCompletionAt = 1086 ParsedSourceLocation::FromString(A->getValue(Args)); 1087 if (Opts.CodeCompletionAt.FileName.empty()) 1088 Diags.Report(diag::err_drv_invalid_value) 1089 << A->getAsString(Args) << A->getValue(Args); 1090 } 1091 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1092 1093 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1094 Opts.Plugins = Args.getAllArgValues(OPT_load); 1095 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1096 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1097 Opts.ShowHelp = Args.hasArg(OPT_help); 1098 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1099 Opts.ShowCodePatternsInCodeCompletion 1100 = Args.hasArg(OPT_code_completion_patterns); 1101 Opts.ShowGlobalSymbolsInCodeCompletion 1102 = !Args.hasArg(OPT_no_code_completion_globals); 1103 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1104 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1105 Opts.ShowVersion = Args.hasArg(OPT_version); 1106 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1107 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1108 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1109 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1110 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1111 1112 InputKind DashX = IK_None; 1113 if (const Arg *A = Args.getLastArg(OPT_x)) { 1114 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1115 .Case("c", IK_C) 1116 .Case("cl", IK_OpenCL) 1117 .Case("c", IK_C) 1118 .Case("cl", IK_OpenCL) 1119 .Case("cuda", IK_CUDA) 1120 .Case("c++", IK_CXX) 1121 .Case("objective-c", IK_ObjC) 1122 .Case("objective-c++", IK_ObjCXX) 1123 .Case("cpp-output", IK_PreprocessedC) 1124 .Case("assembler-with-cpp", IK_Asm) 1125 .Case("c++-cpp-output", IK_PreprocessedCXX) 1126 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1127 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1128 .Case("c-header", IK_C) 1129 .Case("objective-c-header", IK_ObjC) 1130 .Case("c++-header", IK_CXX) 1131 .Case("objective-c++-header", IK_ObjCXX) 1132 .Case("ast", IK_AST) 1133 .Case("ir", IK_LLVM_IR) 1134 .Default(IK_None); 1135 if (DashX == IK_None) 1136 Diags.Report(diag::err_drv_invalid_value) 1137 << A->getAsString(Args) << A->getValue(Args); 1138 } 1139 1140 // '-' is the default input if none is given. 1141 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1142 Opts.Inputs.clear(); 1143 if (Inputs.empty()) 1144 Inputs.push_back("-"); 1145 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1146 InputKind IK = DashX; 1147 if (IK == IK_None) { 1148 IK = FrontendOptions::getInputKindForExtension( 1149 llvm::StringRef(Inputs[i]).rsplit('.').second); 1150 // FIXME: Remove this hack. 1151 if (i == 0) 1152 DashX = IK; 1153 } 1154 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1155 } 1156 1157 return DashX; 1158 } 1159 1160 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1161 void *MainAddr) { 1162 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1163 1164 if (!P.isEmpty()) { 1165 P.eraseComponent(); // Remove /clang from foo/bin/clang 1166 P.eraseComponent(); // Remove /bin from foo/bin 1167 1168 // Get foo/lib/clang/<version>/include 1169 P.appendComponent("lib"); 1170 P.appendComponent("clang"); 1171 P.appendComponent(CLANG_VERSION_STRING); 1172 } 1173 1174 return P.str(); 1175 } 1176 1177 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1178 using namespace cc1options; 1179 Opts.CXXSystemIncludes = Args.getAllArgValues(OPT_cxx_system_include); 1180 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1181 Opts.Verbose = Args.hasArg(OPT_v); 1182 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1183 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1184 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1185 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1186 1187 // Add -I... and -F... options in order. 1188 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1189 ie = Args.filtered_end(); it != ie; ++it) 1190 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1191 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1192 1193 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1194 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1195 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1196 OPT_iwithprefixbefore), 1197 ie = Args.filtered_end(); it != ie; ++it) { 1198 const Arg *A = *it; 1199 if (A->getOption().matches(OPT_iprefix)) 1200 Prefix = A->getValue(Args); 1201 else if (A->getOption().matches(OPT_iwithprefix)) 1202 Opts.AddPath(Prefix.str() + A->getValue(Args), 1203 frontend::System, false, false, true); 1204 else 1205 Opts.AddPath(Prefix.str() + A->getValue(Args), 1206 frontend::Angled, false, false, true); 1207 } 1208 1209 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1210 ie = Args.filtered_end(); it != ie; ++it) 1211 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1212 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1213 ie = Args.filtered_end(); it != ie; ++it) 1214 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1215 for (arg_iterator it = Args.filtered_begin(OPT_isystem, OPT_iwithsysroot), 1216 ie = Args.filtered_end(); it != ie; ++it) 1217 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1218 (*it)->getOption().matches(OPT_iwithsysroot)); 1219 1220 // FIXME: Need options for the various environment variables! 1221 } 1222 1223 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1224 LangStandard::Kind LangStd) { 1225 // Set some properties which depend soley on the input kind; it would be nice 1226 // to move these to the language standard, and have the driver resolve the 1227 // input kind + language standard. 1228 if (IK == IK_Asm) { 1229 Opts.AsmPreprocessor = 1; 1230 } else if (IK == IK_ObjC || 1231 IK == IK_ObjCXX || 1232 IK == IK_PreprocessedObjC || 1233 IK == IK_PreprocessedObjCXX) { 1234 Opts.ObjC1 = Opts.ObjC2 = 1; 1235 } 1236 1237 if (LangStd == LangStandard::lang_unspecified) { 1238 // Based on the base language, pick one. 1239 switch (IK) { 1240 case IK_None: 1241 case IK_AST: 1242 case IK_LLVM_IR: 1243 assert(0 && "Invalid input kind!"); 1244 case IK_OpenCL: 1245 LangStd = LangStandard::lang_opencl; 1246 break; 1247 case IK_CUDA: 1248 LangStd = LangStandard::lang_cuda; 1249 break; 1250 case IK_Asm: 1251 case IK_C: 1252 case IK_PreprocessedC: 1253 case IK_ObjC: 1254 case IK_PreprocessedObjC: 1255 LangStd = LangStandard::lang_gnu99; 1256 break; 1257 case IK_CXX: 1258 case IK_PreprocessedCXX: 1259 case IK_ObjCXX: 1260 case IK_PreprocessedObjCXX: 1261 LangStd = LangStandard::lang_gnucxx98; 1262 break; 1263 } 1264 } 1265 1266 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1267 Opts.BCPLComment = Std.hasBCPLComments(); 1268 Opts.C99 = Std.isC99(); 1269 Opts.CPlusPlus = Std.isCPlusPlus(); 1270 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1271 Opts.Digraphs = Std.hasDigraphs(); 1272 Opts.GNUMode = Std.isGNUMode(); 1273 Opts.GNUInline = !Std.isC99(); 1274 Opts.HexFloats = Std.hasHexFloats(); 1275 Opts.ImplicitInt = Std.hasImplicitInt(); 1276 1277 // OpenCL has some additional defaults. 1278 if (LangStd == LangStandard::lang_opencl) { 1279 Opts.OpenCL = 1; 1280 Opts.AltiVec = 1; 1281 Opts.CXXOperatorNames = 1; 1282 Opts.LaxVectorConversions = 1; 1283 } 1284 1285 if (LangStd == LangStandard::lang_cuda) 1286 Opts.CUDA = 1; 1287 1288 // OpenCL and C++ both have bool, true, false keywords. 1289 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1290 1291 Opts.GNUKeywords = Opts.GNUMode; 1292 Opts.CXXOperatorNames = Opts.CPlusPlus; 1293 1294 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1295 // is specified, or -std is set to a conforming mode. 1296 Opts.Trigraphs = !Opts.GNUMode; 1297 1298 Opts.DollarIdents = !Opts.AsmPreprocessor; 1299 } 1300 1301 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1302 Diagnostic &Diags) { 1303 // FIXME: Cleanup per-file based stuff. 1304 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1305 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1306 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1307 #define LANGSTANDARD(id, name, desc, features) \ 1308 .Case(name, LangStandard::lang_##id) 1309 #include "clang/Frontend/LangStandards.def" 1310 .Default(LangStandard::lang_unspecified); 1311 if (LangStd == LangStandard::lang_unspecified) 1312 Diags.Report(diag::err_drv_invalid_value) 1313 << A->getAsString(Args) << A->getValue(Args); 1314 } 1315 1316 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1317 1318 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1319 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1320 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1321 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1322 // name, as it doesn't seem a useful distinction. 1323 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1324 Opts.GNUKeywords); 1325 1326 if (Args.hasArg(OPT_fno_operator_names)) 1327 Opts.CXXOperatorNames = 0; 1328 1329 if (Args.hasArg(OPT_fobjc_gc_only)) 1330 Opts.setGCMode(LangOptions::GCOnly); 1331 else if (Args.hasArg(OPT_fobjc_gc)) 1332 Opts.setGCMode(LangOptions::HybridGC); 1333 1334 if (Args.hasArg(OPT_print_ivar_layout)) 1335 Opts.ObjCGCBitmapPrint = 1; 1336 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1337 Opts.NoConstantCFStrings = 1; 1338 1339 if (Args.hasArg(OPT_faltivec)) 1340 Opts.AltiVec = 1; 1341 1342 if (Args.hasArg(OPT_pthread)) 1343 Opts.POSIXThreads = 1; 1344 1345 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1346 if (Vis == "default") 1347 Opts.setVisibilityMode(DefaultVisibility); 1348 else if (Vis == "hidden") 1349 Opts.setVisibilityMode(HiddenVisibility); 1350 else if (Vis == "protected") 1351 Opts.setVisibilityMode(ProtectedVisibility); 1352 else 1353 Diags.Report(diag::err_drv_invalid_value) 1354 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1355 1356 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1357 Opts.InlineVisibilityHidden = 1; 1358 1359 if (Args.hasArg(OPT_ftrapv)) { 1360 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1361 // Set the handler, if one is specified. 1362 Opts.OverflowHandler = 1363 Args.getLastArgValue(OPT_ftrapv_handler); 1364 } 1365 else if (Args.hasArg(OPT_fwrapv)) 1366 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1367 1368 if (Args.hasArg(OPT_trigraphs)) 1369 Opts.Trigraphs = 1; 1370 1371 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1372 OPT_fno_dollars_in_identifiers, 1373 Opts.DollarIdents); 1374 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1375 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1376 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1377 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1378 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1379 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1380 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1381 Opts.LaxVectorConversions = 0; 1382 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1383 Opts.ThreadsafeStatics = 0; 1384 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1385 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1386 Opts.Blocks = Args.hasArg(OPT_fblocks); 1387 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1388 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1389 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1390 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1391 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1392 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1393 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1394 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1395 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1396 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1397 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1398 Diags); 1399 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1400 0, Diags); 1401 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1402 Opts.ObjCConstantStringClass = 1403 Args.getLastArgValue(OPT_fconstant_string_class); 1404 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1405 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1406 if (Opts.ObjCNonFragileABI2) 1407 Opts.ObjCNonFragileABI = true; 1408 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1409 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1410 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1411 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1412 Opts.Static = Args.hasArg(OPT_static_define); 1413 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1414 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1415 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1416 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1417 Opts.OptimizeSize = 0; 1418 1419 // FIXME: Eliminate this dependency. 1420 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1421 Opts.Optimize = Opt != 0; 1422 1423 // This is the __NO_INLINE__ define, which just depends on things like the 1424 // optimization level and -fno-inline, not actually whether the backend has 1425 // inlining enabled. 1426 // 1427 // FIXME: This is affected by other options (-fno-inline). 1428 Opts.NoInline = !Opt; 1429 1430 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1431 switch (SSP) { 1432 default: 1433 Diags.Report(diag::err_drv_invalid_value) 1434 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1435 break; 1436 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1437 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1438 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1439 } 1440 } 1441 1442 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1443 FileManager &FileMgr, 1444 Diagnostic &Diags) { 1445 using namespace cc1options; 1446 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1447 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1448 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1449 Opts.TokenCache = A->getValue(Args); 1450 else 1451 Opts.TokenCache = Opts.ImplicitPTHInclude; 1452 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1453 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1454 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1455 1456 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1457 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1458 ie = Args.filtered_end(); it != ie; ++it) { 1459 const Arg *A = *it; 1460 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1461 } 1462 1463 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1464 llvm::StringRef Value(A->getValue(Args)); 1465 size_t Comma = Value.find(','); 1466 unsigned Bytes = 0; 1467 unsigned EndOfLine = 0; 1468 1469 if (Comma == llvm::StringRef::npos || 1470 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1471 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1472 Diags.Report(diag::err_drv_preamble_format); 1473 else { 1474 Opts.PrecompiledPreambleBytes.first = Bytes; 1475 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1476 } 1477 } 1478 1479 // Add macros from the command line. 1480 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1481 ie = Args.filtered_end(); it != ie; ++it) { 1482 if ((*it)->getOption().matches(OPT_D)) 1483 Opts.addMacroDef((*it)->getValue(Args)); 1484 else 1485 Opts.addMacroUndef((*it)->getValue(Args)); 1486 } 1487 1488 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1489 1490 // Add the ordered list of -includes. 1491 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1492 OPT_include_pth), 1493 ie = Args.filtered_end(); it != ie; ++it) { 1494 const Arg *A = *it; 1495 // PCH is handled specially, we need to extra the original include path. 1496 if (A->getOption().matches(OPT_include_pch)) { 1497 std::string OriginalFile = 1498 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1499 if (OriginalFile.empty()) 1500 continue; 1501 1502 Opts.Includes.push_back(OriginalFile); 1503 } else 1504 Opts.Includes.push_back(A->getValue(Args)); 1505 } 1506 1507 // Include 'altivec.h' if -faltivec option present 1508 if (Args.hasArg(OPT_faltivec)) 1509 Opts.Includes.push_back("altivec.h"); 1510 1511 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1512 ie = Args.filtered_end(); it != ie; ++it) { 1513 const Arg *A = *it; 1514 std::pair<llvm::StringRef,llvm::StringRef> Split = 1515 llvm::StringRef(A->getValue(Args)).split(';'); 1516 1517 if (Split.second.empty()) { 1518 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1519 continue; 1520 } 1521 1522 Opts.addRemappedFile(Split.first, Split.second); 1523 } 1524 } 1525 1526 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1527 ArgList &Args) { 1528 using namespace cc1options; 1529 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1530 Opts.ShowComments = Args.hasArg(OPT_C); 1531 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1532 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1533 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1534 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1535 } 1536 1537 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1538 using namespace cc1options; 1539 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1540 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1541 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1542 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1543 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1544 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1545 1546 // Use the host triple if unspecified. 1547 if (Opts.Triple.empty()) 1548 Opts.Triple = llvm::sys::getHostTriple(); 1549 } 1550 1551 // 1552 1553 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1554 const char *const *ArgBegin, 1555 const char *const *ArgEnd, 1556 Diagnostic &Diags) { 1557 // Parse the arguments. 1558 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1559 unsigned MissingArgIndex, MissingArgCount; 1560 llvm::OwningPtr<InputArgList> Args( 1561 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1562 1563 // Check for missing argument error. 1564 if (MissingArgCount) 1565 Diags.Report(diag::err_drv_missing_argument) 1566 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1567 1568 // Issue errors on unknown arguments. 1569 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1570 ie = Args->filtered_end(); it != ie; ++it) 1571 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1572 1573 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1574 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1575 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1576 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1577 // FIXME: We shouldn't have to pass the DashX option around here 1578 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1579 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1580 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1581 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1582 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1583 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1584 // PCH file and find the original header name. Remove the need to do that in 1585 // ParsePreprocessorArgs and remove the FileManager 1586 // parameters from the function and the "FileManager.h" #include. 1587 FileManager FileMgr(Res.getFileSystemOpts()); 1588 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1589 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1590 ParseTargetArgs(Res.getTargetOpts(), *Args); 1591 } 1592