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 unsigned DefaultOpt = 0; 778 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 779 DefaultOpt = 2; 780 // -Os implies -O2 781 return Args.hasArg(OPT_Os) ? 2 : 782 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 783 } 784 785 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 786 Diagnostic &Diags) { 787 using namespace cc1options; 788 789 Opts.AnalysisList.clear(); 790 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 791 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 792 #include "clang/Frontend/Analyses.def" 793 794 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 795 llvm::StringRef Name = A->getValue(Args); 796 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 797 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 798 .Case(CMDFLAG, NAME##Model) 799 #include "clang/Frontend/Analyses.def" 800 .Default(NumStores); 801 // FIXME: Error handling. 802 if (Value == NumStores) 803 Diags.Report(diag::err_drv_invalid_value) 804 << A->getAsString(Args) << Name; 805 else 806 Opts.AnalysisStoreOpt = Value; 807 } 808 809 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 810 llvm::StringRef Name = A->getValue(Args); 811 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 812 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 813 .Case(CMDFLAG, NAME##Model) 814 #include "clang/Frontend/Analyses.def" 815 .Default(NumConstraints); 816 // FIXME: Error handling. 817 if (Value == NumConstraints) 818 Diags.Report(diag::err_drv_invalid_value) 819 << A->getAsString(Args) << Name; 820 else 821 Opts.AnalysisConstraintsOpt = Value; 822 } 823 824 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 825 llvm::StringRef Name = A->getValue(Args); 826 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 827 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 828 .Case(CMDFLAG, PD_##NAME) 829 #include "clang/Frontend/Analyses.def" 830 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 831 // FIXME: Error handling. 832 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 833 Diags.Report(diag::err_drv_invalid_value) 834 << A->getAsString(Args) << Name; 835 else 836 Opts.AnalysisDiagOpt = Value; 837 } 838 839 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 840 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 841 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 842 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 843 Opts.AnalyzeNestedBlocks = 844 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 845 Opts.AnalyzerStats = Args.hasArg(OPT_analysis_AnalyzerStats); 846 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 847 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 848 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 849 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 850 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 851 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 852 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 853 Opts.EnableExperimentalInternalChecks = 854 Args.hasArg(OPT_analyzer_experimental_internal_checks); 855 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 856 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 857 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 858 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 859 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 860 } 861 862 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 863 Diagnostic &Diags) { 864 using namespace cc1options; 865 866 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 867 if (Opts.OptimizationLevel > 3) { 868 Diags.Report(diag::err_drv_invalid_value) 869 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 870 Opts.OptimizationLevel = 3; 871 } 872 873 // We must always run at least the always inlining pass. 874 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 875 : CodeGenOptions::OnlyAlwaysInlining; 876 877 Opts.DebugInfo = Args.hasArg(OPT_g); 878 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 879 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 880 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 881 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 882 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 883 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 884 Opts.NoCommon = Args.hasArg(OPT_fno_common); 885 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 886 Opts.OptimizeSize = Args.hasArg(OPT_Os); 887 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 888 Args.hasArg(OPT_ffreestanding)); 889 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 890 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 891 892 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 893 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 894 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 895 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 896 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 897 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 898 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 899 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 900 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 901 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 902 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 903 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 904 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 905 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 906 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 907 908 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 909 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 910 911 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 912 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 913 914 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 915 916 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 917 llvm::StringRef Name = A->getValue(Args); 918 unsigned Method = llvm::StringSwitch<unsigned>(Name) 919 .Case("legacy", CodeGenOptions::Legacy) 920 .Case("non-legacy", CodeGenOptions::NonLegacy) 921 .Case("mixed", CodeGenOptions::Mixed) 922 .Default(~0U); 923 if (Method == ~0U) 924 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 925 else 926 Opts.ObjCDispatchMethod = Method; 927 } 928 } 929 930 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 931 ArgList &Args) { 932 using namespace cc1options; 933 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 934 Opts.Targets = Args.getAllArgValues(OPT_MT); 935 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 936 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 937 } 938 939 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 940 Diagnostic &Diags) { 941 using namespace cc1options; 942 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 943 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 944 Opts.Pedantic = Args.hasArg(OPT_pedantic); 945 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 946 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 947 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 948 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 949 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 950 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 951 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 952 953 llvm::StringRef ShowOverloads = 954 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 955 if (ShowOverloads == "best") 956 Opts.ShowOverloads = Diagnostic::Ovl_Best; 957 else if (ShowOverloads == "all") 958 Opts.ShowOverloads = Diagnostic::Ovl_All; 959 else 960 Diags.Report(diag::err_drv_invalid_value) 961 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 962 << ShowOverloads; 963 964 llvm::StringRef ShowCategory = 965 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 966 if (ShowCategory == "none") 967 Opts.ShowCategories = 0; 968 else if (ShowCategory == "id") 969 Opts.ShowCategories = 1; 970 else if (ShowCategory == "name") 971 Opts.ShowCategories = 2; 972 else 973 Diags.Report(diag::err_drv_invalid_value) 974 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 975 << ShowCategory; 976 977 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 978 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 979 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 980 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 981 Opts.MacroBacktraceLimit 982 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 983 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 984 Opts.TemplateBacktraceLimit 985 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 986 DiagnosticOptions::DefaultTemplateBacktraceLimit, 987 Diags); 988 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 989 DiagnosticOptions::DefaultTabStop, Diags); 990 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 991 Diags.Report(diag::warn_ignoring_ftabstop_value) 992 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 993 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 994 } 995 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 996 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 997 Opts.Warnings = Args.getAllArgValues(OPT_W); 998 } 999 1000 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1001 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1002 } 1003 1004 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1005 Diagnostic &Diags) { 1006 using namespace cc1options; 1007 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1008 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1009 switch (A->getOption().getID()) { 1010 default: 1011 assert(0 && "Invalid option in group!"); 1012 case OPT_ast_dump: 1013 Opts.ProgramAction = frontend::ASTDump; break; 1014 case OPT_ast_dump_xml: 1015 Opts.ProgramAction = frontend::ASTDumpXML; break; 1016 case OPT_ast_print: 1017 Opts.ProgramAction = frontend::ASTPrint; break; 1018 case OPT_ast_print_xml: 1019 Opts.ProgramAction = frontend::ASTPrintXML; break; 1020 case OPT_ast_view: 1021 Opts.ProgramAction = frontend::ASTView; break; 1022 case OPT_boostcon: 1023 Opts.ProgramAction = frontend::BoostCon; break; 1024 case OPT_dump_raw_tokens: 1025 Opts.ProgramAction = frontend::DumpRawTokens; break; 1026 case OPT_dump_tokens: 1027 Opts.ProgramAction = frontend::DumpTokens; break; 1028 case OPT_S: 1029 Opts.ProgramAction = frontend::EmitAssembly; break; 1030 case OPT_emit_llvm_bc: 1031 Opts.ProgramAction = frontend::EmitBC; break; 1032 case OPT_emit_html: 1033 Opts.ProgramAction = frontend::EmitHTML; break; 1034 case OPT_emit_llvm: 1035 Opts.ProgramAction = frontend::EmitLLVM; break; 1036 case OPT_emit_llvm_only: 1037 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1038 case OPT_emit_codegen_only: 1039 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1040 case OPT_emit_obj: 1041 Opts.ProgramAction = frontend::EmitObj; break; 1042 case OPT_fixit_EQ: 1043 Opts.FixItSuffix = A->getValue(Args); 1044 // fall-through! 1045 case OPT_fixit: 1046 Opts.ProgramAction = frontend::FixIt; break; 1047 case OPT_emit_pch: 1048 Opts.ProgramAction = frontend::GeneratePCH; break; 1049 case OPT_emit_pth: 1050 Opts.ProgramAction = frontend::GeneratePTH; break; 1051 case OPT_init_only: 1052 Opts.ProgramAction = frontend::InitOnly; break; 1053 case OPT_fsyntax_only: 1054 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1055 case OPT_print_decl_contexts: 1056 Opts.ProgramAction = frontend::PrintDeclContext; break; 1057 case OPT_print_preamble: 1058 Opts.ProgramAction = frontend::PrintPreamble; break; 1059 case OPT_E: 1060 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1061 case OPT_rewrite_macros: 1062 Opts.ProgramAction = frontend::RewriteMacros; break; 1063 case OPT_rewrite_objc: 1064 Opts.ProgramAction = frontend::RewriteObjC; break; 1065 case OPT_rewrite_test: 1066 Opts.ProgramAction = frontend::RewriteTest; break; 1067 case OPT_analyze: 1068 Opts.ProgramAction = frontend::RunAnalysis; break; 1069 case OPT_Eonly: 1070 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1071 case OPT_create_module: 1072 Opts.ProgramAction = frontend::CreateModule; break; 1073 } 1074 } 1075 1076 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1077 Opts.Plugins.push_back(A->getValue(Args,0)); 1078 Opts.ProgramAction = frontend::PluginAction; 1079 Opts.ActionName = A->getValue(Args); 1080 1081 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1082 end = Args.filtered_end(); it != end; ++it) { 1083 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1084 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1085 } 1086 } 1087 1088 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1089 Opts.CodeCompletionAt = 1090 ParsedSourceLocation::FromString(A->getValue(Args)); 1091 if (Opts.CodeCompletionAt.FileName.empty()) 1092 Diags.Report(diag::err_drv_invalid_value) 1093 << A->getAsString(Args) << A->getValue(Args); 1094 } 1095 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1096 1097 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1098 Opts.Plugins = Args.getAllArgValues(OPT_load); 1099 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1100 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1101 Opts.ShowHelp = Args.hasArg(OPT_help); 1102 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1103 Opts.ShowCodePatternsInCodeCompletion 1104 = Args.hasArg(OPT_code_completion_patterns); 1105 Opts.ShowGlobalSymbolsInCodeCompletion 1106 = !Args.hasArg(OPT_no_code_completion_globals); 1107 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1108 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1109 Opts.ShowVersion = Args.hasArg(OPT_version); 1110 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1111 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1112 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1113 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1114 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1115 1116 InputKind DashX = IK_None; 1117 if (const Arg *A = Args.getLastArg(OPT_x)) { 1118 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1119 .Case("c", IK_C) 1120 .Case("cl", IK_OpenCL) 1121 .Case("c", IK_C) 1122 .Case("cl", IK_OpenCL) 1123 .Case("cuda", IK_CUDA) 1124 .Case("c++", IK_CXX) 1125 .Case("objective-c", IK_ObjC) 1126 .Case("objective-c++", IK_ObjCXX) 1127 .Case("cpp-output", IK_PreprocessedC) 1128 .Case("assembler-with-cpp", IK_Asm) 1129 .Case("c++-cpp-output", IK_PreprocessedCXX) 1130 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1131 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1132 .Case("c-header", IK_C) 1133 .Case("objective-c-header", IK_ObjC) 1134 .Case("c++-header", IK_CXX) 1135 .Case("objective-c++-header", IK_ObjCXX) 1136 .Case("ast", IK_AST) 1137 .Case("ir", IK_LLVM_IR) 1138 .Default(IK_None); 1139 if (DashX == IK_None) 1140 Diags.Report(diag::err_drv_invalid_value) 1141 << A->getAsString(Args) << A->getValue(Args); 1142 } 1143 1144 // '-' is the default input if none is given. 1145 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1146 Opts.Inputs.clear(); 1147 if (Inputs.empty()) 1148 Inputs.push_back("-"); 1149 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1150 InputKind IK = DashX; 1151 if (IK == IK_None) { 1152 IK = FrontendOptions::getInputKindForExtension( 1153 llvm::StringRef(Inputs[i]).rsplit('.').second); 1154 // FIXME: Remove this hack. 1155 if (i == 0) 1156 DashX = IK; 1157 } 1158 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1159 } 1160 1161 return DashX; 1162 } 1163 1164 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1165 void *MainAddr) { 1166 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1167 1168 if (!P.isEmpty()) { 1169 P.eraseComponent(); // Remove /clang from foo/bin/clang 1170 P.eraseComponent(); // Remove /bin from foo/bin 1171 1172 // Get foo/lib/clang/<version>/include 1173 P.appendComponent("lib"); 1174 P.appendComponent("clang"); 1175 P.appendComponent(CLANG_VERSION_STRING); 1176 } 1177 1178 return P.str(); 1179 } 1180 1181 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1182 using namespace cc1options; 1183 Opts.CXXSystemIncludes = Args.getAllArgValues(OPT_cxx_system_include); 1184 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1185 Opts.Verbose = Args.hasArg(OPT_v); 1186 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1187 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1188 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1189 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1190 1191 // Add -I... and -F... options in order. 1192 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1193 ie = Args.filtered_end(); it != ie; ++it) 1194 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1195 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1196 1197 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1198 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1199 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1200 OPT_iwithprefixbefore), 1201 ie = Args.filtered_end(); it != ie; ++it) { 1202 const Arg *A = *it; 1203 if (A->getOption().matches(OPT_iprefix)) 1204 Prefix = A->getValue(Args); 1205 else if (A->getOption().matches(OPT_iwithprefix)) 1206 Opts.AddPath(Prefix.str() + A->getValue(Args), 1207 frontend::System, false, false, true); 1208 else 1209 Opts.AddPath(Prefix.str() + A->getValue(Args), 1210 frontend::Angled, false, false, true); 1211 } 1212 1213 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1214 ie = Args.filtered_end(); it != ie; ++it) 1215 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1216 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1217 ie = Args.filtered_end(); it != ie; ++it) 1218 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1219 for (arg_iterator it = Args.filtered_begin(OPT_isystem, OPT_iwithsysroot), 1220 ie = Args.filtered_end(); it != ie; ++it) 1221 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1222 (*it)->getOption().matches(OPT_iwithsysroot)); 1223 1224 // FIXME: Need options for the various environment variables! 1225 } 1226 1227 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1228 LangStandard::Kind LangStd) { 1229 // Set some properties which depend soley on the input kind; it would be nice 1230 // to move these to the language standard, and have the driver resolve the 1231 // input kind + language standard. 1232 if (IK == IK_Asm) { 1233 Opts.AsmPreprocessor = 1; 1234 } else if (IK == IK_ObjC || 1235 IK == IK_ObjCXX || 1236 IK == IK_PreprocessedObjC || 1237 IK == IK_PreprocessedObjCXX) { 1238 Opts.ObjC1 = Opts.ObjC2 = 1; 1239 } 1240 1241 if (LangStd == LangStandard::lang_unspecified) { 1242 // Based on the base language, pick one. 1243 switch (IK) { 1244 case IK_None: 1245 case IK_AST: 1246 case IK_LLVM_IR: 1247 assert(0 && "Invalid input kind!"); 1248 case IK_OpenCL: 1249 LangStd = LangStandard::lang_opencl; 1250 break; 1251 case IK_CUDA: 1252 LangStd = LangStandard::lang_cuda; 1253 break; 1254 case IK_Asm: 1255 case IK_C: 1256 case IK_PreprocessedC: 1257 case IK_ObjC: 1258 case IK_PreprocessedObjC: 1259 LangStd = LangStandard::lang_gnu99; 1260 break; 1261 case IK_CXX: 1262 case IK_PreprocessedCXX: 1263 case IK_ObjCXX: 1264 case IK_PreprocessedObjCXX: 1265 LangStd = LangStandard::lang_gnucxx98; 1266 break; 1267 } 1268 } 1269 1270 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1271 Opts.BCPLComment = Std.hasBCPLComments(); 1272 Opts.C99 = Std.isC99(); 1273 Opts.CPlusPlus = Std.isCPlusPlus(); 1274 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1275 Opts.Digraphs = Std.hasDigraphs(); 1276 Opts.GNUMode = Std.isGNUMode(); 1277 Opts.GNUInline = !Std.isC99(); 1278 Opts.HexFloats = Std.hasHexFloats(); 1279 Opts.ImplicitInt = Std.hasImplicitInt(); 1280 1281 // OpenCL has some additional defaults. 1282 if (LangStd == LangStandard::lang_opencl) { 1283 Opts.OpenCL = 1; 1284 Opts.AltiVec = 1; 1285 Opts.CXXOperatorNames = 1; 1286 Opts.LaxVectorConversions = 1; 1287 } 1288 1289 if (LangStd == LangStandard::lang_cuda) 1290 Opts.CUDA = 1; 1291 1292 // OpenCL and C++ both have bool, true, false keywords. 1293 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1294 1295 Opts.GNUKeywords = Opts.GNUMode; 1296 Opts.CXXOperatorNames = Opts.CPlusPlus; 1297 1298 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1299 // is specified, or -std is set to a conforming mode. 1300 Opts.Trigraphs = !Opts.GNUMode; 1301 1302 Opts.DollarIdents = !Opts.AsmPreprocessor; 1303 } 1304 1305 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1306 Diagnostic &Diags) { 1307 // FIXME: Cleanup per-file based stuff. 1308 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1309 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1310 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1311 #define LANGSTANDARD(id, name, desc, features) \ 1312 .Case(name, LangStandard::lang_##id) 1313 #include "clang/Frontend/LangStandards.def" 1314 .Default(LangStandard::lang_unspecified); 1315 if (LangStd == LangStandard::lang_unspecified) 1316 Diags.Report(diag::err_drv_invalid_value) 1317 << A->getAsString(Args) << A->getValue(Args); 1318 } 1319 1320 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1321 1322 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1323 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1324 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1325 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1326 // name, as it doesn't seem a useful distinction. 1327 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1328 Opts.GNUKeywords); 1329 1330 if (Args.hasArg(OPT_fno_operator_names)) 1331 Opts.CXXOperatorNames = 0; 1332 1333 if (Args.hasArg(OPT_fobjc_gc_only)) 1334 Opts.setGCMode(LangOptions::GCOnly); 1335 else if (Args.hasArg(OPT_fobjc_gc)) 1336 Opts.setGCMode(LangOptions::HybridGC); 1337 1338 if (Args.hasArg(OPT_print_ivar_layout)) 1339 Opts.ObjCGCBitmapPrint = 1; 1340 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1341 Opts.NoConstantCFStrings = 1; 1342 1343 if (Args.hasArg(OPT_faltivec)) 1344 Opts.AltiVec = 1; 1345 1346 if (Args.hasArg(OPT_pthread)) 1347 Opts.POSIXThreads = 1; 1348 1349 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1350 if (Vis == "default") 1351 Opts.setVisibilityMode(DefaultVisibility); 1352 else if (Vis == "hidden") 1353 Opts.setVisibilityMode(HiddenVisibility); 1354 else if (Vis == "protected") 1355 Opts.setVisibilityMode(ProtectedVisibility); 1356 else 1357 Diags.Report(diag::err_drv_invalid_value) 1358 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1359 1360 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1361 Opts.InlineVisibilityHidden = 1; 1362 1363 if (Args.hasArg(OPT_ftrapv)) { 1364 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1365 // Set the handler, if one is specified. 1366 Opts.OverflowHandler = 1367 Args.getLastArgValue(OPT_ftrapv_handler); 1368 } 1369 else if (Args.hasArg(OPT_fwrapv)) 1370 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1371 1372 if (Args.hasArg(OPT_trigraphs)) 1373 Opts.Trigraphs = 1; 1374 1375 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1376 OPT_fno_dollars_in_identifiers, 1377 Opts.DollarIdents); 1378 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1379 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1380 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1381 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1382 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1383 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1384 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1385 Opts.LaxVectorConversions = 0; 1386 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1387 Opts.ThreadsafeStatics = 0; 1388 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1389 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1390 Opts.Blocks = Args.hasArg(OPT_fblocks); 1391 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1392 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1393 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1394 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1395 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1396 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1397 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1398 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1399 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1400 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1401 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1402 Diags); 1403 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1404 0, Diags); 1405 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1406 Opts.ObjCConstantStringClass = 1407 Args.getLastArgValue(OPT_fconstant_string_class); 1408 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1409 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1410 if (Opts.ObjCNonFragileABI2) 1411 Opts.ObjCNonFragileABI = true; 1412 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1413 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1414 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1415 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1416 Opts.Static = Args.hasArg(OPT_static_define); 1417 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1418 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1419 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1420 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1421 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1422 Opts.OptimizeSize = 0; 1423 1424 // FIXME: Eliminate this dependency. 1425 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1426 Opts.Optimize = Opt != 0; 1427 1428 // This is the __NO_INLINE__ define, which just depends on things like the 1429 // optimization level and -fno-inline, not actually whether the backend has 1430 // inlining enabled. 1431 // 1432 // FIXME: This is affected by other options (-fno-inline). 1433 Opts.NoInline = !Opt; 1434 1435 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1436 switch (SSP) { 1437 default: 1438 Diags.Report(diag::err_drv_invalid_value) 1439 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1440 break; 1441 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1442 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1443 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1444 } 1445 } 1446 1447 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1448 FileManager &FileMgr, 1449 Diagnostic &Diags) { 1450 using namespace cc1options; 1451 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1452 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1453 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1454 Opts.TokenCache = A->getValue(Args); 1455 else 1456 Opts.TokenCache = Opts.ImplicitPTHInclude; 1457 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1458 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1459 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1460 1461 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1462 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1463 ie = Args.filtered_end(); it != ie; ++it) { 1464 const Arg *A = *it; 1465 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1466 } 1467 1468 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1469 llvm::StringRef Value(A->getValue(Args)); 1470 size_t Comma = Value.find(','); 1471 unsigned Bytes = 0; 1472 unsigned EndOfLine = 0; 1473 1474 if (Comma == llvm::StringRef::npos || 1475 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1476 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1477 Diags.Report(diag::err_drv_preamble_format); 1478 else { 1479 Opts.PrecompiledPreambleBytes.first = Bytes; 1480 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1481 } 1482 } 1483 1484 // Add macros from the command line. 1485 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1486 ie = Args.filtered_end(); it != ie; ++it) { 1487 if ((*it)->getOption().matches(OPT_D)) 1488 Opts.addMacroDef((*it)->getValue(Args)); 1489 else 1490 Opts.addMacroUndef((*it)->getValue(Args)); 1491 } 1492 1493 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1494 1495 // Add the ordered list of -includes. 1496 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1497 OPT_include_pth), 1498 ie = Args.filtered_end(); it != ie; ++it) { 1499 const Arg *A = *it; 1500 // PCH is handled specially, we need to extra the original include path. 1501 if (A->getOption().matches(OPT_include_pch)) { 1502 std::string OriginalFile = 1503 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1504 if (OriginalFile.empty()) 1505 continue; 1506 1507 Opts.Includes.push_back(OriginalFile); 1508 } else 1509 Opts.Includes.push_back(A->getValue(Args)); 1510 } 1511 1512 // Include 'altivec.h' if -faltivec option present 1513 if (Args.hasArg(OPT_faltivec)) 1514 Opts.Includes.push_back("altivec.h"); 1515 1516 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1517 ie = Args.filtered_end(); it != ie; ++it) { 1518 const Arg *A = *it; 1519 std::pair<llvm::StringRef,llvm::StringRef> Split = 1520 llvm::StringRef(A->getValue(Args)).split(';'); 1521 1522 if (Split.second.empty()) { 1523 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1524 continue; 1525 } 1526 1527 Opts.addRemappedFile(Split.first, Split.second); 1528 } 1529 } 1530 1531 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1532 ArgList &Args) { 1533 using namespace cc1options; 1534 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1535 Opts.ShowComments = Args.hasArg(OPT_C); 1536 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1537 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1538 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1539 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1540 } 1541 1542 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1543 using namespace cc1options; 1544 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1545 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1546 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1547 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1548 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1549 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1550 1551 // Use the host triple if unspecified. 1552 if (Opts.Triple.empty()) 1553 Opts.Triple = llvm::sys::getHostTriple(); 1554 } 1555 1556 // 1557 1558 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1559 const char *const *ArgBegin, 1560 const char *const *ArgEnd, 1561 Diagnostic &Diags) { 1562 // Parse the arguments. 1563 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1564 unsigned MissingArgIndex, MissingArgCount; 1565 llvm::OwningPtr<InputArgList> Args( 1566 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1567 1568 // Check for missing argument error. 1569 if (MissingArgCount) 1570 Diags.Report(diag::err_drv_missing_argument) 1571 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1572 1573 // Issue errors on unknown arguments. 1574 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1575 ie = Args->filtered_end(); it != ie; ++it) 1576 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1577 1578 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1579 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1580 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1581 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1582 // FIXME: We shouldn't have to pass the DashX option around here 1583 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1584 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1585 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1586 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1587 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1588 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1589 // PCH file and find the original header name. Remove the need to do that in 1590 // ParsePreprocessorArgs and remove the FileManager 1591 // parameters from the function and the "FileManager.h" #include. 1592 FileManager FileMgr(Res.getFileSystemOpts()); 1593 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1594 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1595 ParseTargetArgs(Res.getTargetOpts(), *Args); 1596 } 1597