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