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