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/Driver/Arg.h" 14 #include "clang/Driver/ArgList.h" 15 #include "clang/Driver/CC1Options.h" 16 #include "clang/Driver/DriverDiagnostic.h" 17 #include "clang/Driver/OptTable.h" 18 #include "clang/Driver/Option.h" 19 #include "clang/Frontend/CompilerInvocation.h" 20 #include "clang/Frontend/LangStandard.h" 21 #include "clang/Frontend/PCHReader.h" 22 #include "llvm/ADT/OwningPtr.h" 23 #include "llvm/ADT/SmallVector.h" 24 #include "llvm/ADT/StringExtras.h" 25 #include "llvm/ADT/StringSwitch.h" 26 #include "llvm/Support/ErrorHandling.h" 27 #include "llvm/System/Host.h" 28 #include "llvm/System/Path.h" 29 using namespace clang; 30 31 static const char *getAnalysisName(Analyses Kind) { 32 switch (Kind) { 33 default: 34 llvm_unreachable("Unknown analysis kind!"); 35 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 36 case NAME: return "-" CMDFLAG; 37 #include "clang/Frontend/Analyses.def" 38 } 39 } 40 41 static const char *getAnalysisStoreName(AnalysisStores Kind) { 42 switch (Kind) { 43 default: 44 llvm_unreachable("Unknown analysis store!"); 45 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 46 case NAME##Model: return CMDFLAG; 47 #include "clang/Frontend/Analyses.def" 48 } 49 } 50 51 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 52 switch (Kind) { 53 default: 54 llvm_unreachable("Unknown analysis constraints!"); 55 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 56 case NAME##Model: return CMDFLAG; 57 #include "clang/Frontend/Analyses.def" 58 } 59 } 60 61 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 62 switch (Kind) { 63 default: 64 llvm_unreachable("Unknown analysis client!"); 65 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 66 case PD_##NAME: return CMDFLAG; 67 #include "clang/Frontend/Analyses.def" 68 } 69 } 70 71 //===----------------------------------------------------------------------===// 72 // Serialization (to args) 73 //===----------------------------------------------------------------------===// 74 75 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 76 std::vector<std::string> &Res) { 77 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 78 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 79 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 80 Res.push_back("-analyzer-store"); 81 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 82 } 83 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 84 Res.push_back("-analyzer-constraints"); 85 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 86 } 87 if (Opts.AnalysisDiagOpt != PD_HTML) { 88 Res.push_back("-analyzer-output"); 89 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 90 } 91 if (!Opts.AnalyzeSpecificFunction.empty()) { 92 Res.push_back("-analyze-function"); 93 Res.push_back(Opts.AnalyzeSpecificFunction); 94 } 95 if (Opts.AnalyzeAll) 96 Res.push_back("-analyzer-opt-analyze-headers"); 97 if (Opts.AnalyzerDisplayProgress) 98 Res.push_back("-analyzer-display-progress"); 99 if (Opts.AnalyzeNestedBlocks) 100 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 101 if (Opts.EagerlyAssume) 102 Res.push_back("-analyzer-eagerly-assume"); 103 if (!Opts.PurgeDead) 104 Res.push_back("-analyzer-no-purge-dead"); 105 if (Opts.TrimGraph) 106 Res.push_back("-trim-egraph"); 107 if (Opts.VisualizeEGDot) 108 Res.push_back("-analyzer-viz-egraph-graphviz"); 109 if (Opts.VisualizeEGDot) 110 Res.push_back("-analyzer-viz-egraph-ubigraph"); 111 if (Opts.EnableExperimentalChecks) 112 Res.push_back("-analyzer-experimental-checks"); 113 if (Opts.EnableExperimentalInternalChecks) 114 Res.push_back("-analyzer-experimental-internal-checks"); 115 } 116 117 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 118 std::vector<std::string> &Res) { 119 if (Opts.DebugInfo) 120 Res.push_back("-g"); 121 if (Opts.DisableLLVMOpts) 122 Res.push_back("-disable-llvm-optzns"); 123 if (Opts.DisableRedZone) 124 Res.push_back("-disable-red-zone"); 125 if (!Opts.DwarfDebugFlags.empty()) { 126 Res.push_back("-dwarf-debug-flags"); 127 Res.push_back(Opts.DwarfDebugFlags); 128 } 129 if (!Opts.MergeAllConstants) 130 Res.push_back("-fno-merge-all-constants"); 131 if (Opts.NoCommon) 132 Res.push_back("-fno-common"); 133 if (Opts.NoImplicitFloat) 134 Res.push_back("-no-implicit-float"); 135 if (Opts.OptimizeSize) { 136 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 137 Res.push_back("-Os"); 138 } else if (Opts.OptimizationLevel != 0) 139 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 140 if (!Opts.MainFileName.empty()) { 141 Res.push_back("-main-file-name"); 142 Res.push_back(Opts.MainFileName); 143 } 144 // SimplifyLibCalls is only derived. 145 // TimePasses is only derived. 146 // UnitAtATime is unused. 147 // UnrollLoops is only derived. 148 // VerifyModule is only derived. 149 // Inlining is only derived. 150 151 if (Opts.AsmVerbose) 152 Res.push_back("-masm-verbose"); 153 if (!Opts.CodeModel.empty()) { 154 Res.push_back("-mcode-model"); 155 Res.push_back(Opts.CodeModel); 156 } 157 if (!Opts.DebugPass.empty()) { 158 Res.push_back("-mdebug-pass"); 159 Res.push_back(Opts.DebugPass); 160 } 161 if (Opts.DisableFPElim) 162 Res.push_back("-mdisable-fp-elim"); 163 if (!Opts.FloatABI.empty()) { 164 Res.push_back("-mfloat-abi"); 165 Res.push_back(Opts.FloatABI); 166 } 167 if (!Opts.LimitFloatPrecision.empty()) { 168 Res.push_back("-mlimit-float-precision"); 169 Res.push_back(Opts.LimitFloatPrecision); 170 } 171 if (Opts.NoZeroInitializedInBSS) 172 Res.push_back("-mno-zero-initialized-bss"); 173 if (Opts.ObjCLegacyDispatch) 174 Res.push_back("-fobjc-legacy-dispatch"); 175 if (Opts.SoftFloat) 176 Res.push_back("-msoft-float"); 177 if (Opts.UnwindTables) 178 Res.push_back("-munwind-tables"); 179 if (Opts.RelocationModel != "pic") { 180 Res.push_back("-mrelocation-model"); 181 Res.push_back(Opts.RelocationModel); 182 } 183 } 184 185 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 186 std::vector<std::string> &Res) { 187 if (Opts.IncludeSystemHeaders) 188 Res.push_back("-sys-header-deps"); 189 if (Opts.UsePhonyTargets) 190 Res.push_back("-MP"); 191 if (!Opts.OutputFile.empty()) { 192 Res.push_back("-dependency-file"); 193 Res.push_back(Opts.OutputFile); 194 } 195 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 196 Res.push_back("-MT"); 197 Res.push_back(Opts.Targets[i]); 198 } 199 } 200 201 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 202 std::vector<std::string> &Res) { 203 if (Opts.IgnoreWarnings) 204 Res.push_back("-w"); 205 if (Opts.NoRewriteMacros) 206 Res.push_back("-Wno-rewrite-macros"); 207 if (Opts.Pedantic) 208 Res.push_back("-pedantic"); 209 if (Opts.PedanticErrors) 210 Res.push_back("-pedantic-errors"); 211 if (!Opts.ShowColumn) 212 Res.push_back("-fno-show-column"); 213 if (!Opts.ShowLocation) 214 Res.push_back("-fno-show-source-location"); 215 if (!Opts.ShowCarets) 216 Res.push_back("-fno-caret-diagnostics"); 217 if (!Opts.ShowFixits) 218 Res.push_back("-fno-diagnostics-fixit-info"); 219 if (Opts.ShowSourceRanges) 220 Res.push_back("-fdiagnostics-print-source-range-info"); 221 if (Opts.ShowColors) 222 Res.push_back("-fcolor-diagnostics"); 223 if (Opts.VerifyDiagnostics) 224 Res.push_back("-verify"); 225 if (Opts.BinaryOutput) 226 Res.push_back("-fdiagnostics-binary"); 227 if (Opts.ShowOptionNames) 228 Res.push_back("-fdiagnostics-show-option"); 229 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 230 Res.push_back("-ftabstop"); 231 Res.push_back(llvm::utostr(Opts.TabStop)); 232 } 233 if (Opts.MessageLength) { 234 Res.push_back("-fmessage-length"); 235 Res.push_back(llvm::utostr(Opts.MessageLength)); 236 } 237 if (!Opts.DumpBuildInformation.empty()) { 238 Res.push_back("-dump-build-information"); 239 Res.push_back(Opts.DumpBuildInformation); 240 } 241 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 242 Res.push_back("-W" + Opts.Warnings[i]); 243 } 244 245 static const char *getInputKindName(FrontendOptions::InputKind Kind) { 246 switch (Kind) { 247 case FrontendOptions::IK_None: break; 248 case FrontendOptions::IK_AST: return "ast"; 249 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 250 case FrontendOptions::IK_C: return "c"; 251 case FrontendOptions::IK_CXX: return "c++"; 252 case FrontendOptions::IK_ObjC: return "objective-c"; 253 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 254 case FrontendOptions::IK_OpenCL: return "cl"; 255 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 256 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 257 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 258 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 259 } 260 261 llvm_unreachable("Unexpected language kind!"); 262 return 0; 263 } 264 265 static const char *getActionName(frontend::ActionKind Kind) { 266 switch (Kind) { 267 case frontend::PluginAction: 268 case frontend::InheritanceView: 269 llvm_unreachable("Invalid kind!"); 270 271 case frontend::ASTDump: return "-ast-dump"; 272 case frontend::ASTPrint: return "-ast-print"; 273 case frontend::ASTPrintXML: return "-ast-print-xml"; 274 case frontend::ASTView: return "-ast-view"; 275 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 276 case frontend::DumpRecordLayouts: return "-dump-record-layouts"; 277 case frontend::DumpTokens: return "-dump-tokens"; 278 case frontend::EmitAssembly: return "-S"; 279 case frontend::EmitBC: return "-emit-llvm-bc"; 280 case frontend::EmitHTML: return "-emit-html"; 281 case frontend::EmitLLVM: return "-emit-llvm"; 282 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 283 case frontend::EmitObj: return "-emit-obj"; 284 case frontend::FixIt: return "-fixit"; 285 case frontend::GeneratePCH: return "-emit-pch"; 286 case frontend::GeneratePTH: return "-emit-pth"; 287 case frontend::ParseNoop: return "-parse-noop"; 288 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 289 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 290 case frontend::PrintDeclContext: return "-print-decl-contexts"; 291 case frontend::PrintPreprocessedInput: return "-E"; 292 case frontend::RewriteMacros: return "-rewrite-macros"; 293 case frontend::RewriteObjC: return "-rewrite-objc"; 294 case frontend::RewriteTest: return "-rewrite-test"; 295 case frontend::RunAnalysis: return "-analyze"; 296 case frontend::RunPreprocessorOnly: return "-Eonly"; 297 } 298 299 llvm_unreachable("Unexpected language kind!"); 300 return 0; 301 } 302 303 static void FrontendOptsToArgs(const FrontendOptions &Opts, 304 std::vector<std::string> &Res) { 305 if (!Opts.DebugCodeCompletionPrinter) 306 Res.push_back("-no-code-completion-debug-printer"); 307 if (Opts.DisableFree) 308 Res.push_back("-disable-free"); 309 if (Opts.EmptyInputOnly) 310 Res.push_back("-empty-input-only"); 311 if (Opts.RelocatablePCH) 312 Res.push_back("-relocatable-pch"); 313 if (Opts.ShowHelp) 314 Res.push_back("-help"); 315 if (Opts.ShowMacrosInCodeCompletion) 316 Res.push_back("-code-completion-macros"); 317 if (Opts.ShowStats) 318 Res.push_back("-print-stats"); 319 if (Opts.ShowTimers) 320 Res.push_back("-ftime-report"); 321 if (Opts.ShowVersion) 322 Res.push_back("-version"); 323 324 bool NeedLang = false; 325 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 326 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 327 Opts.Inputs[i].first) 328 NeedLang = true; 329 if (NeedLang) { 330 Res.push_back("-x"); 331 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 332 } 333 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 334 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 335 "Unable to represent this input vector!"); 336 Res.push_back(Opts.Inputs[i].second); 337 } 338 339 if (!Opts.OutputFile.empty()) { 340 Res.push_back("-o"); 341 Res.push_back(Opts.OutputFile); 342 } 343 if (!Opts.ViewClassInheritance.empty()) { 344 Res.push_back("-cxx-inheritance-view"); 345 Res.push_back(Opts.ViewClassInheritance); 346 } 347 for (unsigned i = 0, e = Opts.FixItLocations.size(); i != e; ++i) { 348 Res.push_back("-fixit-at"); 349 Res.push_back(Opts.FixItLocations[i].FileName + ":" + 350 llvm::utostr(Opts.FixItLocations[i].Line) + ":" + 351 llvm::utostr(Opts.FixItLocations[i].Column)); 352 } 353 if (!Opts.CodeCompletionAt.FileName.empty()) { 354 Res.push_back("-code-completion-at"); 355 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 356 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 357 llvm::utostr(Opts.CodeCompletionAt.Column)); 358 } 359 if (Opts.ProgramAction != frontend::InheritanceView && 360 Opts.ProgramAction != frontend::PluginAction) 361 Res.push_back(getActionName(Opts.ProgramAction)); 362 if (!Opts.ActionName.empty()) { 363 Res.push_back("-plugin"); 364 Res.push_back(Opts.ActionName); 365 } 366 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 367 Res.push_back("-load"); 368 Res.push_back(Opts.Plugins[i]); 369 } 370 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 371 Res.push_back("-ast-merge"); 372 Res.push_back(Opts.ASTMergeFiles[i]); 373 } 374 } 375 376 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 377 std::vector<std::string> &Res) { 378 if (Opts.Sysroot != "/") { 379 Res.push_back("-isysroot"); 380 Res.push_back(Opts.Sysroot); 381 } 382 383 /// User specified include entries. 384 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 385 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 386 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 387 llvm::llvm_report_error("Invalid option set!"); 388 if (E.IsUserSupplied) { 389 if (E.Group == frontend::After) { 390 Res.push_back("-idirafter"); 391 } else if (E.Group == frontend::Quoted) { 392 Res.push_back("-iquote"); 393 } else if (E.Group == frontend::System) { 394 Res.push_back("-isystem"); 395 } else { 396 assert(E.Group == frontend::Angled && "Invalid group!"); 397 Res.push_back(E.IsFramework ? "-F" : "-I"); 398 } 399 } else { 400 if (E.Group != frontend::Angled && E.Group != frontend::System) 401 llvm::llvm_report_error("Invalid option set!"); 402 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 403 "-iwithprefix"); 404 } 405 Res.push_back(E.Path); 406 } 407 408 if (!Opts.EnvIncPath.empty()) { 409 // FIXME: Provide an option for this, and move env detection to driver. 410 llvm::llvm_report_error("Not yet implemented!"); 411 } 412 if (!Opts.CEnvIncPath.empty()) { 413 // FIXME: Provide an option for this, and move env detection to driver. 414 llvm::llvm_report_error("Not yet implemented!"); 415 } 416 if (!Opts.ObjCEnvIncPath.empty()) { 417 // FIXME: Provide an option for this, and move env detection to driver. 418 llvm::llvm_report_error("Not yet implemented!"); 419 } 420 if (!Opts.CXXEnvIncPath.empty()) { 421 // FIXME: Provide an option for this, and move env detection to driver. 422 llvm::llvm_report_error("Not yet implemented!"); 423 } 424 if (!Opts.ObjCXXEnvIncPath.empty()) { 425 // FIXME: Provide an option for this, and move env detection to driver. 426 llvm::llvm_report_error("Not yet implemented!"); 427 } 428 if (!Opts.ResourceDir.empty()) { 429 Res.push_back("-resource-dir"); 430 Res.push_back(Opts.ResourceDir); 431 } 432 if (!Opts.UseStandardIncludes) 433 Res.push_back("-nostdinc"); 434 if (Opts.Verbose) 435 Res.push_back("-v"); 436 } 437 438 static void LangOptsToArgs(const LangOptions &Opts, 439 std::vector<std::string> &Res) { 440 LangOptions DefaultLangOpts; 441 442 // FIXME: Need to set -std to get all the implicit options. 443 444 // FIXME: We want to only pass options relative to the defaults, which 445 // requires constructing a target. :( 446 // 447 // It would be better to push the all target specific choices into the driver, 448 // so that everything below that was more uniform. 449 450 if (Opts.Trigraphs) 451 Res.push_back("-trigraphs"); 452 // Implicit based on the input kind: 453 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 454 // Implicit based on the input language standard: 455 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 456 if (Opts.DollarIdents) 457 Res.push_back("-fdollars-in-identifiers"); 458 if (Opts.Microsoft) 459 Res.push_back("-fms-extensions"); 460 if (Opts.ObjCNonFragileABI) 461 Res.push_back("-fobjc-nonfragile-abi"); 462 if (Opts.ObjCNonFragileABI2) 463 Res.push_back("-fobjc-nonfragile-abi2"); 464 // NoInline is implicit. 465 if (!Opts.CXXOperatorNames) 466 Res.push_back("-fno-operator-names"); 467 if (Opts.PascalStrings) 468 Res.push_back("-fpascal-strings"); 469 if (Opts.CatchUndefined) 470 Res.push_back("-fcatch-undefined-behavior"); 471 if (Opts.WritableStrings) 472 Res.push_back("-fwritable-strings"); 473 if (!Opts.LaxVectorConversions) 474 Res.push_back("-fno-lax-vector-conversions"); 475 if (Opts.AltiVec) 476 Res.push_back("-faltivec"); 477 if (Opts.Exceptions) 478 Res.push_back("-fexceptions"); 479 if (Opts.SjLjExceptions) 480 Res.push_back("-fsjlj-exceptions"); 481 if (!Opts.RTTI) 482 Res.push_back("-fno-rtti"); 483 if (!Opts.NeXTRuntime) 484 Res.push_back("-fgnu-runtime"); 485 if (Opts.Freestanding) 486 Res.push_back("-ffreestanding"); 487 if (Opts.NoBuiltin) 488 Res.push_back("-fno-builtin"); 489 if (!Opts.AssumeSaneOperatorNew) 490 Res.push_back("-fno-assume-sane-operator-new"); 491 if (!Opts.ThreadsafeStatics) 492 Res.push_back("-fno-threadsafe-statics"); 493 if (Opts.POSIXThreads) 494 Res.push_back("-pthread"); 495 if (Opts.Blocks) 496 Res.push_back("-fblocks"); 497 if (Opts.EmitAllDecls) 498 Res.push_back("-femit-all-decls"); 499 if (Opts.MathErrno) 500 Res.push_back("-fmath-errno"); 501 if (Opts.OverflowChecking) 502 Res.push_back("-ftrapv"); 503 if (Opts.HeinousExtensions) 504 Res.push_back("-fheinous-gnu-extensions"); 505 // Optimize is implicit. 506 // OptimizeSize is implicit. 507 if (Opts.Static) 508 Res.push_back("-static-define"); 509 if (Opts.PICLevel) { 510 Res.push_back("-pic-level"); 511 Res.push_back(llvm::utostr(Opts.PICLevel)); 512 } 513 if (Opts.ObjCGCBitmapPrint) 514 Res.push_back("-print-ivar-layout"); 515 // FIXME: Don't forget to update when the default changes! 516 if (Opts.AccessControl) 517 Res.push_back("-faccess-control"); 518 if (!Opts.CharIsSigned) 519 Res.push_back("-fno-signed-char"); 520 if (Opts.ShortWChar) 521 Res.push_back("-fshort-wchar"); 522 if (!Opts.ElideConstructors) 523 Res.push_back("-fno-elide-constructors"); 524 if (Opts.getGCMode() != LangOptions::NonGC) { 525 if (Opts.getGCMode() == LangOptions::HybridGC) { 526 Res.push_back("-fobjc-gc"); 527 } else { 528 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 529 Res.push_back("-fobjc-gc-only"); 530 } 531 } 532 if (Opts.getVisibilityMode() != LangOptions::Default) { 533 Res.push_back("-fvisibility"); 534 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 535 Res.push_back("hidden"); 536 } else { 537 assert(Opts.getVisibilityMode() == LangOptions::Protected && 538 "Invalid visibility!"); 539 Res.push_back("protected"); 540 } 541 } 542 if (Opts.getStackProtectorMode() != 0) { 543 Res.push_back("-stack-protector"); 544 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 545 } 546 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 547 Res.push_back("-ftemplate-depth"); 548 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 549 } 550 if (!Opts.ObjCConstantStringClass.empty()) { 551 Res.push_back("-fconstant-string-class"); 552 Res.push_back(Opts.ObjCConstantStringClass); 553 } 554 } 555 556 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 557 std::vector<std::string> &Res) { 558 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 559 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 560 Opts.Macros[i].first); 561 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 562 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 563 Res.push_back("-include"); 564 Res.push_back(Opts.Includes[i]); 565 } 566 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 567 Res.push_back("-imacros"); 568 Res.push_back(Opts.MacroIncludes[i]); 569 } 570 if (!Opts.UsePredefines) 571 Res.push_back("-undef"); 572 if (!Opts.ImplicitPCHInclude.empty()) { 573 Res.push_back("-include-pch"); 574 Res.push_back(Opts.ImplicitPCHInclude); 575 } 576 if (!Opts.ImplicitPTHInclude.empty()) { 577 Res.push_back("-include-pth"); 578 Res.push_back(Opts.ImplicitPTHInclude); 579 } 580 if (!Opts.TokenCache.empty()) { 581 if (Opts.ImplicitPTHInclude.empty()) { 582 Res.push_back("-token-cache"); 583 Res.push_back(Opts.TokenCache); 584 } else 585 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 586 "Unsupported option combination!"); 587 } 588 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 589 Res.push_back("-remap-file"); 590 Res.push_back(Opts.RemappedFiles[i].first + ";" + 591 Opts.RemappedFiles[i].second); 592 } 593 } 594 595 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 596 std::vector<std::string> &Res) { 597 if (!Opts.ShowCPP && !Opts.ShowMacros) 598 llvm::llvm_report_error("Invalid option combination!"); 599 600 if (Opts.ShowCPP && Opts.ShowMacros) 601 Res.push_back("-dD"); 602 else if (!Opts.ShowCPP && Opts.ShowMacros) 603 Res.push_back("-dM"); 604 605 if (!Opts.ShowLineMarkers) 606 Res.push_back("-P"); 607 if (Opts.ShowComments) 608 Res.push_back("-C"); 609 if (Opts.ShowMacroComments) 610 Res.push_back("-CC"); 611 } 612 613 static void TargetOptsToArgs(const TargetOptions &Opts, 614 std::vector<std::string> &Res) { 615 Res.push_back("-triple"); 616 Res.push_back(Opts.Triple); 617 if (!Opts.CPU.empty()) { 618 Res.push_back("-target-cpu"); 619 Res.push_back(Opts.CPU); 620 } 621 if (!Opts.ABI.empty()) { 622 Res.push_back("-target-abi"); 623 Res.push_back(Opts.ABI); 624 } 625 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 626 Res.push_back("-target-feature"); 627 Res.push_back(Opts.Features[i]); 628 } 629 } 630 631 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 632 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 633 CodeGenOptsToArgs(getCodeGenOpts(), Res); 634 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 635 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 636 FrontendOptsToArgs(getFrontendOpts(), Res); 637 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 638 LangOptsToArgs(getLangOpts(), Res); 639 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 640 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 641 TargetOptsToArgs(getTargetOpts(), Res); 642 } 643 644 //===----------------------------------------------------------------------===// 645 // Deserialization (to args) 646 //===----------------------------------------------------------------------===// 647 648 using namespace clang::driver; 649 using namespace clang::driver::cc1options; 650 651 static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID, 652 llvm::StringRef Default = "") { 653 if (Arg *A = Args.getLastArg(ID)) 654 return A->getValue(Args); 655 return Default; 656 } 657 658 static int getLastArgIntValue(ArgList &Args, cc1options::ID ID, 659 int Default, Diagnostic &Diags) { 660 Arg *A = Args.getLastArg(ID); 661 if (!A) 662 return Default; 663 664 int Res = Default; 665 if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res)) 666 Diags.Report(diag::err_drv_invalid_int_value) 667 << A->getAsString(Args) << A->getValue(Args); 668 669 return Res; 670 } 671 672 static std::vector<std::string> 673 getAllArgValues(ArgList &Args, cc1options::ID ID) { 674 llvm::SmallVector<const char *, 16> Values; 675 Args.AddAllArgValues(Values, ID); 676 return std::vector<std::string>(Values.begin(), Values.end()); 677 } 678 679 // 680 681 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 682 Diagnostic &Diags) { 683 using namespace cc1options; 684 685 Opts.AnalysisList.clear(); 686 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 687 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 688 #include "clang/Frontend/Analyses.def" 689 690 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 691 llvm::StringRef Name = A->getValue(Args); 692 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 693 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 694 .Case(CMDFLAG, NAME##Model) 695 #include "clang/Frontend/Analyses.def" 696 .Default(NumStores); 697 // FIXME: Error handling. 698 if (Value == NumStores) 699 Diags.Report(diag::err_drv_invalid_value) 700 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 701 else 702 Opts.AnalysisStoreOpt = Value; 703 } 704 705 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 706 llvm::StringRef Name = A->getValue(Args); 707 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 708 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 709 .Case(CMDFLAG, NAME##Model) 710 #include "clang/Frontend/Analyses.def" 711 .Default(NumConstraints); 712 // FIXME: Error handling. 713 if (Value == NumConstraints) 714 Diags.Report(diag::err_drv_invalid_value) 715 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 716 else 717 Opts.AnalysisConstraintsOpt = Value; 718 } 719 720 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 721 llvm::StringRef Name = A->getValue(Args); 722 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 723 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 724 .Case(CMDFLAG, PD_##NAME) 725 #include "clang/Frontend/Analyses.def" 726 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 727 // FIXME: Error handling. 728 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 729 Diags.Report(diag::err_drv_invalid_value) 730 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 731 else 732 Opts.AnalysisDiagOpt = Value; 733 } 734 735 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 736 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 737 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 738 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 739 Opts.AnalyzeNestedBlocks = 740 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 741 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 742 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 743 Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function); 744 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 745 Opts.EnableExperimentalInternalChecks = 746 Args.hasArg(OPT_analyzer_experimental_internal_checks); 747 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 748 } 749 750 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 751 Diagnostic &Diags) { 752 using namespace cc1options; 753 // -Os implies -O2 754 if (Args.hasArg(OPT_Os)) 755 Opts.OptimizationLevel = 2; 756 else { 757 Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags); 758 if (Opts.OptimizationLevel > 3) { 759 Diags.Report(diag::err_drv_invalid_value) 760 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 761 Opts.OptimizationLevel = 3; 762 } 763 } 764 765 // We must always run at least the always inlining pass. 766 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 767 : CodeGenOptions::OnlyAlwaysInlining; 768 769 Opts.DebugInfo = Args.hasArg(OPT_g); 770 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 771 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 772 Opts.DwarfDebugFlags = getLastArgValue(Args, OPT_dwarf_debug_flags); 773 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 774 Opts.NoCommon = Args.hasArg(OPT_fno_common); 775 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 776 Opts.OptimizeSize = Args.hasArg(OPT_Os); 777 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 778 779 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 780 Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model); 781 Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass); 782 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 783 Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi); 784 Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision); 785 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 786 Opts.ObjCLegacyDispatch = Args.hasArg(OPT_fobjc_legacy_dispatch); 787 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 788 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 789 Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic"); 790 791 Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name); 792 793 // FIXME: Put elsewhere? 794 #ifdef NDEBUG 795 Opts.VerifyModule = 0; 796 #else 797 Opts.VerifyModule = 1; 798 #endif 799 } 800 801 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 802 ArgList &Args) { 803 using namespace cc1options; 804 Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file); 805 Opts.Targets = getAllArgValues(Args, OPT_MT); 806 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 807 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 808 } 809 810 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 811 Diagnostic &Diags) { 812 using namespace cc1options; 813 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 814 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 815 Opts.Pedantic = Args.hasArg(OPT_pedantic); 816 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 817 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 818 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 819 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 820 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 821 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 822 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 823 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 824 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 825 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 826 Opts.TabStop = getLastArgIntValue(Args, OPT_ftabstop, 827 DiagnosticOptions::DefaultTabStop, Diags); 828 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 829 Diags.Report(diag::warn_ignoring_ftabstop_value) 830 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 831 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 832 } 833 Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags); 834 Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information); 835 Opts.Warnings = getAllArgValues(Args, OPT_W); 836 } 837 838 static FrontendOptions::InputKind 839 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 840 using namespace cc1options; 841 Opts.ProgramAction = frontend::ParseSyntaxOnly; 842 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 843 switch (A->getOption().getID()) { 844 default: 845 assert(0 && "Invalid option in group!"); 846 case OPT_ast_dump: 847 Opts.ProgramAction = frontend::ASTDump; break; 848 case OPT_ast_print: 849 Opts.ProgramAction = frontend::ASTPrint; break; 850 case OPT_ast_print_xml: 851 Opts.ProgramAction = frontend::ASTPrintXML; break; 852 case OPT_ast_view: 853 Opts.ProgramAction = frontend::ASTView; break; 854 case OPT_dump_raw_tokens: 855 Opts.ProgramAction = frontend::DumpRawTokens; break; 856 case OPT_dump_record_layouts: 857 Opts.ProgramAction = frontend::DumpRecordLayouts; break; 858 case OPT_dump_tokens: 859 Opts.ProgramAction = frontend::DumpTokens; break; 860 case OPT_S: 861 Opts.ProgramAction = frontend::EmitAssembly; break; 862 case OPT_emit_llvm_bc: 863 Opts.ProgramAction = frontend::EmitBC; break; 864 case OPT_emit_html: 865 Opts.ProgramAction = frontend::EmitHTML; break; 866 case OPT_emit_llvm: 867 Opts.ProgramAction = frontend::EmitLLVM; break; 868 case OPT_emit_llvm_only: 869 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 870 case OPT_emit_obj: 871 Opts.ProgramAction = frontend::EmitObj; break; 872 case OPT_fixit: 873 Opts.ProgramAction = frontend::FixIt; break; 874 case OPT_emit_pch: 875 Opts.ProgramAction = frontend::GeneratePCH; break; 876 case OPT_emit_pth: 877 Opts.ProgramAction = frontend::GeneratePTH; break; 878 case OPT_parse_noop: 879 Opts.ProgramAction = frontend::ParseNoop; break; 880 case OPT_parse_print_callbacks: 881 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 882 case OPT_fsyntax_only: 883 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 884 case OPT_print_decl_contexts: 885 Opts.ProgramAction = frontend::PrintDeclContext; break; 886 case OPT_E: 887 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 888 case OPT_rewrite_macros: 889 Opts.ProgramAction = frontend::RewriteMacros; break; 890 case OPT_rewrite_objc: 891 Opts.ProgramAction = frontend::RewriteObjC; break; 892 case OPT_rewrite_test: 893 Opts.ProgramAction = frontend::RewriteTest; break; 894 case OPT_analyze: 895 Opts.ProgramAction = frontend::RunAnalysis; break; 896 case OPT_Eonly: 897 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 898 } 899 } 900 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 901 Opts.ProgramAction = frontend::PluginAction; 902 Opts.ActionName = A->getValue(Args); 903 } 904 905 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 906 Opts.CodeCompletionAt = 907 ParsedSourceLocation::FromString(A->getValue(Args)); 908 if (Opts.CodeCompletionAt.FileName.empty()) 909 Diags.Report(diag::err_drv_invalid_value) 910 << A->getAsString(Args) << A->getValue(Args); 911 } 912 Opts.DebugCodeCompletionPrinter = 913 !Args.hasArg(OPT_no_code_completion_debug_printer); 914 Opts.DisableFree = Args.hasArg(OPT_disable_free); 915 Opts.EmptyInputOnly = Args.hasArg(OPT_empty_input_only); 916 917 Opts.FixItLocations.clear(); 918 for (arg_iterator it = Args.filtered_begin(OPT_fixit_at), 919 ie = Args.filtered_end(); it != ie; ++it) { 920 const char *Loc = it->getValue(Args); 921 ParsedSourceLocation PSL = ParsedSourceLocation::FromString(Loc); 922 923 if (PSL.FileName.empty()) { 924 Diags.Report(diag::err_drv_invalid_value) << it->getAsString(Args) << Loc; 925 continue; 926 } 927 928 Opts.FixItLocations.push_back(PSL); 929 } 930 931 Opts.OutputFile = getLastArgValue(Args, OPT_o); 932 Opts.Plugins = getAllArgValues(Args, OPT_load); 933 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 934 Opts.ShowHelp = Args.hasArg(OPT_help); 935 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 936 Opts.ShowStats = Args.hasArg(OPT_print_stats); 937 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 938 Opts.ShowVersion = Args.hasArg(OPT_version); 939 Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view); 940 Opts.ASTMergeFiles = getAllArgValues(Args, OPT_ast_merge); 941 942 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 943 if (const Arg *A = Args.getLastArg(OPT_x)) { 944 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 945 .Case("c", FrontendOptions::IK_C) 946 .Case("cl", FrontendOptions::IK_OpenCL) 947 .Case("c", FrontendOptions::IK_C) 948 .Case("cl", FrontendOptions::IK_OpenCL) 949 .Case("c++", FrontendOptions::IK_CXX) 950 .Case("objective-c", FrontendOptions::IK_ObjC) 951 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 952 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 953 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 954 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 955 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 956 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 957 .Case("c-header", FrontendOptions::IK_C) 958 .Case("objective-c-header", FrontendOptions::IK_ObjC) 959 .Case("c++-header", FrontendOptions::IK_CXX) 960 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 961 .Case("ast", FrontendOptions::IK_AST) 962 .Default(FrontendOptions::IK_None); 963 if (DashX == FrontendOptions::IK_None) 964 Diags.Report(diag::err_drv_invalid_value) 965 << A->getAsString(Args) << A->getValue(Args); 966 } 967 968 // '-' is the default input if none is given. 969 std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT); 970 Opts.Inputs.clear(); 971 if (Inputs.empty()) 972 Inputs.push_back("-"); 973 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 974 FrontendOptions::InputKind IK = DashX; 975 if (IK == FrontendOptions::IK_None) { 976 IK = FrontendOptions::getInputKindForExtension( 977 llvm::StringRef(Inputs[i]).rsplit('.').second); 978 // FIXME: Remove this hack. 979 if (i == 0) 980 DashX = IK; 981 } 982 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 983 } 984 985 return DashX; 986 } 987 988 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 989 void *MainAddr) { 990 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 991 992 if (!P.isEmpty()) { 993 P.eraseComponent(); // Remove /clang from foo/bin/clang 994 P.eraseComponent(); // Remove /bin from foo/bin 995 996 // Get foo/lib/clang/<version>/include 997 P.appendComponent("lib"); 998 P.appendComponent("clang"); 999 P.appendComponent(CLANG_VERSION_STRING); 1000 } 1001 1002 return P.str(); 1003 } 1004 1005 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1006 using namespace cc1options; 1007 Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/"); 1008 Opts.Verbose = Args.hasArg(OPT_v); 1009 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1010 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1011 Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir); 1012 1013 // Add -I... and -F... options in order. 1014 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1015 ie = Args.filtered_end(); it != ie; ++it) 1016 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 1017 /*IsFramework=*/ it->getOption().matches(OPT_F)); 1018 1019 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1020 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1021 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1022 OPT_iwithprefixbefore), 1023 ie = Args.filtered_end(); it != ie; ++it) { 1024 if (it->getOption().matches(OPT_iprefix)) 1025 Prefix = it->getValue(Args); 1026 else if (it->getOption().matches(OPT_iwithprefix)) 1027 Opts.AddPath(Prefix.str() + it->getValue(Args), 1028 frontend::System, false, false); 1029 else 1030 Opts.AddPath(Prefix.str() + it->getValue(Args), 1031 frontend::Angled, false, false); 1032 } 1033 1034 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1035 ie = Args.filtered_end(); it != ie; ++it) 1036 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 1037 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1038 ie = Args.filtered_end(); it != ie; ++it) 1039 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 1040 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1041 ie = Args.filtered_end(); it != ie; ++it) 1042 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1043 1044 // FIXME: Need options for the various environment variables! 1045 } 1046 1047 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1048 FrontendOptions::InputKind IK, 1049 Diagnostic &Diags) { 1050 // FIXME: Cleanup per-file based stuff. 1051 1052 // Set some properties which depend soley on the input kind; it would be nice 1053 // to move these to the language standard, and have the driver resolve the 1054 // input kind + language standard. 1055 if (IK == FrontendOptions::IK_Asm) { 1056 Opts.AsmPreprocessor = 1; 1057 } else if (IK == FrontendOptions::IK_ObjC || 1058 IK == FrontendOptions::IK_ObjCXX || 1059 IK == FrontendOptions::IK_PreprocessedObjC || 1060 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1061 Opts.ObjC1 = Opts.ObjC2 = 1; 1062 } 1063 1064 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1065 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1066 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1067 #define LANGSTANDARD(id, name, desc, features) \ 1068 .Case(name, LangStandard::lang_##id) 1069 #include "clang/Frontend/LangStandards.def" 1070 .Default(LangStandard::lang_unspecified); 1071 if (LangStd == LangStandard::lang_unspecified) 1072 Diags.Report(diag::err_drv_invalid_value) 1073 << A->getAsString(Args) << A->getValue(Args); 1074 } 1075 1076 if (LangStd == LangStandard::lang_unspecified) { 1077 // Based on the base language, pick one. 1078 switch (IK) { 1079 case FrontendOptions::IK_None: 1080 case FrontendOptions::IK_AST: 1081 assert(0 && "Invalid input kind!"); 1082 case FrontendOptions::IK_OpenCL: 1083 LangStd = LangStandard::lang_opencl; 1084 break; 1085 case FrontendOptions::IK_Asm: 1086 case FrontendOptions::IK_C: 1087 case FrontendOptions::IK_PreprocessedC: 1088 case FrontendOptions::IK_ObjC: 1089 case FrontendOptions::IK_PreprocessedObjC: 1090 LangStd = LangStandard::lang_gnu99; 1091 break; 1092 case FrontendOptions::IK_CXX: 1093 case FrontendOptions::IK_PreprocessedCXX: 1094 case FrontendOptions::IK_ObjCXX: 1095 case FrontendOptions::IK_PreprocessedObjCXX: 1096 LangStd = LangStandard::lang_gnucxx98; 1097 break; 1098 } 1099 } 1100 1101 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1102 Opts.BCPLComment = Std.hasBCPLComments(); 1103 Opts.C99 = Std.isC99(); 1104 Opts.CPlusPlus = Std.isCPlusPlus(); 1105 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1106 Opts.Digraphs = Std.hasDigraphs(); 1107 Opts.GNUMode = Std.isGNUMode(); 1108 Opts.GNUInline = !Std.isC99(); 1109 Opts.HexFloats = Std.hasHexFloats(); 1110 Opts.ImplicitInt = Std.hasImplicitInt(); 1111 1112 // OpenCL has some additional defaults. 1113 if (LangStd == LangStandard::lang_opencl) { 1114 Opts.OpenCL = 1; 1115 Opts.AltiVec = 1; 1116 Opts.CXXOperatorNames = 1; 1117 Opts.LaxVectorConversions = 1; 1118 } 1119 1120 // OpenCL and C++ both have bool, true, false keywords. 1121 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1122 1123 if (Opts.CPlusPlus) 1124 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1125 1126 if (Args.hasArg(OPT_fobjc_gc_only)) 1127 Opts.setGCMode(LangOptions::GCOnly); 1128 else if (Args.hasArg(OPT_fobjc_gc)) 1129 Opts.setGCMode(LangOptions::HybridGC); 1130 1131 if (Args.hasArg(OPT_print_ivar_layout)) 1132 Opts.ObjCGCBitmapPrint = 1; 1133 1134 if (Args.hasArg(OPT_faltivec)) 1135 Opts.AltiVec = 1; 1136 1137 if (Args.hasArg(OPT_pthread)) 1138 Opts.POSIXThreads = 1; 1139 1140 llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility, 1141 "default"); 1142 if (Vis == "default") 1143 Opts.setVisibilityMode(LangOptions::Default); 1144 else if (Vis == "hidden") 1145 Opts.setVisibilityMode(LangOptions::Hidden); 1146 else if (Vis == "protected") 1147 Opts.setVisibilityMode(LangOptions::Protected); 1148 else 1149 Diags.Report(diag::err_drv_invalid_value) 1150 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1151 1152 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1153 1154 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1155 // is specified, or -std is set to a conforming mode. 1156 Opts.Trigraphs = !Opts.GNUMode; 1157 if (Args.hasArg(OPT_trigraphs)) 1158 Opts.Trigraphs = 1; 1159 1160 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1161 OPT_fno_dollars_in_identifiers, 1162 !Opts.AsmPreprocessor); 1163 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1164 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1165 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1166 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1167 Opts.LaxVectorConversions = 0; 1168 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1169 Opts.ThreadsafeStatics = 0; 1170 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1171 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1172 Opts.Blocks = Args.hasArg(OPT_fblocks); 1173 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1174 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1175 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1176 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1177 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1178 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1179 Opts.AccessControl = Args.hasArg(OPT_faccess_control); 1180 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1181 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1182 Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99, 1183 Diags); 1184 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1185 Opts.ObjCConstantStringClass = getLastArgValue(Args, 1186 OPT_fconstant_string_class); 1187 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1188 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1189 if (Opts.ObjCNonFragileABI2) 1190 Opts.ObjCNonFragileABI = true; 1191 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1192 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1193 Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); 1194 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1195 Opts.Static = Args.hasArg(OPT_static_define); 1196 Opts.OptimizeSize = 0; 1197 1198 // FIXME: Eliminate this dependency. 1199 unsigned Opt = 1200 Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); 1201 Opts.Optimize = Opt != 0; 1202 1203 // This is the __NO_INLINE__ define, which just depends on things like the 1204 // optimization level and -fno-inline, not actually whether the backend has 1205 // inlining enabled. 1206 // 1207 // FIXME: This is affected by other options (-fno-inline). 1208 Opts.NoInline = !Opt; 1209 1210 unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); 1211 switch (SSP) { 1212 default: 1213 Diags.Report(diag::err_drv_invalid_value) 1214 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1215 break; 1216 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1217 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1218 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1219 } 1220 } 1221 1222 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1223 Diagnostic &Diags) { 1224 using namespace cc1options; 1225 Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch); 1226 Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth); 1227 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1228 Opts.TokenCache = A->getValue(Args); 1229 else 1230 Opts.TokenCache = Opts.ImplicitPTHInclude; 1231 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1232 1233 // Add macros from the command line. 1234 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1235 ie = Args.filtered_end(); it != ie; ++it) { 1236 if (it->getOption().matches(OPT_D)) 1237 Opts.addMacroDef(it->getValue(Args)); 1238 else 1239 Opts.addMacroUndef(it->getValue(Args)); 1240 } 1241 1242 Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros); 1243 1244 // Add the ordered list of -includes. 1245 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1246 OPT_include_pth), 1247 ie = Args.filtered_end(); it != ie; ++it) { 1248 // PCH is handled specially, we need to extra the original include path. 1249 if (it->getOption().matches(OPT_include_pch)) { 1250 std::string OriginalFile = 1251 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags); 1252 if (OriginalFile.empty()) 1253 continue; 1254 1255 Opts.Includes.push_back(OriginalFile); 1256 } else 1257 Opts.Includes.push_back(it->getValue(Args)); 1258 } 1259 1260 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1261 ie = Args.filtered_end(); it != ie; ++it) { 1262 std::pair<llvm::StringRef,llvm::StringRef> Split = 1263 llvm::StringRef(it->getValue(Args)).split(';'); 1264 1265 if (Split.second.empty()) { 1266 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1267 continue; 1268 } 1269 1270 Opts.addRemappedFile(Split.first, Split.second); 1271 } 1272 } 1273 1274 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1275 ArgList &Args) { 1276 using namespace cc1options; 1277 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1278 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1279 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1280 Opts.ShowComments = Args.hasArg(OPT_C); 1281 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1282 } 1283 1284 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1285 using namespace cc1options; 1286 Opts.ABI = getLastArgValue(Args, OPT_target_abi); 1287 Opts.CPU = getLastArgValue(Args, OPT_target_cpu); 1288 Opts.Triple = getLastArgValue(Args, OPT_triple); 1289 Opts.Features = getAllArgValues(Args, OPT_target_feature); 1290 1291 // Use the host triple if unspecified. 1292 if (Opts.Triple.empty()) 1293 Opts.Triple = llvm::sys::getHostTriple(); 1294 } 1295 1296 // 1297 1298 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1299 const char **ArgBegin, 1300 const char **ArgEnd, 1301 Diagnostic &Diags) { 1302 // Parse the arguments. 1303 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1304 unsigned MissingArgIndex, MissingArgCount; 1305 llvm::OwningPtr<InputArgList> Args( 1306 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1307 1308 // Check for missing argument error. 1309 if (MissingArgCount) 1310 Diags.Report(diag::err_drv_missing_argument) 1311 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1312 1313 // Issue errors on unknown arguments. 1314 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1315 ie = Args->filtered_end(); it != ie; ++it) 1316 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1317 1318 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1319 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1320 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1321 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1322 FrontendOptions::InputKind DashX = 1323 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1324 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1325 if (DashX != FrontendOptions::IK_AST) 1326 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1327 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1328 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1329 ParseTargetArgs(Res.getTargetOpts(), *Args); 1330 } 1331