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