1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 //===----------------------------------------------------------------------===// 34 // Initialization. 35 //===----------------------------------------------------------------------===// 36 37 CompilerInvocationBase::CompilerInvocationBase() 38 : LangOpts(new LangOptions()) {} 39 40 CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 41 : LangOpts(new LangOptions(*X.getLangOpts())) {} 42 43 //===----------------------------------------------------------------------===// 44 // Utility functions. 45 //===----------------------------------------------------------------------===// 46 47 static const char *getAnalysisStoreName(AnalysisStores Kind) { 48 switch (Kind) { 49 default: 50 llvm_unreachable("Unknown analysis store!"); 51 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 52 case NAME##Model: return CMDFLAG; 53 #include "clang/Frontend/Analyses.def" 54 } 55 } 56 57 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 58 switch (Kind) { 59 default: 60 llvm_unreachable("Unknown analysis constraints!"); 61 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 62 case NAME##Model: return CMDFLAG; 63 #include "clang/Frontend/Analyses.def" 64 } 65 } 66 67 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 68 switch (Kind) { 69 default: 70 llvm_unreachable("Unknown analysis client!"); 71 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 72 case PD_##NAME: return CMDFLAG; 73 #include "clang/Frontend/Analyses.def" 74 } 75 } 76 77 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 78 switch (Kind) { 79 default: 80 llvm_unreachable("Unknown analysis client!"); 81 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 82 case NAME: return CMDFLAG; 83 #include "clang/Frontend/Analyses.def" 84 } 85 } 86 87 //===----------------------------------------------------------------------===// 88 // Serialization (to args) 89 //===----------------------------------------------------------------------===// 90 91 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 92 std::vector<std::string> &Res) { 93 if (Opts.ShowCheckerHelp) 94 Res.push_back("-analyzer-checker-help"); 95 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 96 Res.push_back("-analyzer-store"); 97 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 98 } 99 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 100 Res.push_back("-analyzer-constraints"); 101 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 102 } 103 if (Opts.AnalysisDiagOpt != PD_HTML) { 104 Res.push_back("-analyzer-output"); 105 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 106 } 107 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 108 Res.push_back("-analyzer-purge"); 109 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 110 } 111 if (!Opts.AnalyzeSpecificFunction.empty()) { 112 Res.push_back("-analyze-function"); 113 Res.push_back(Opts.AnalyzeSpecificFunction); 114 } 115 if (Opts.AnalyzeAll) 116 Res.push_back("-analyzer-opt-analyze-headers"); 117 if (Opts.AnalyzerDisplayProgress) 118 Res.push_back("-analyzer-display-progress"); 119 if (Opts.AnalyzeNestedBlocks) 120 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 121 if (Opts.EagerlyAssume) 122 Res.push_back("-analyzer-eagerly-assume"); 123 if (Opts.TrimGraph) 124 Res.push_back("-trim-egraph"); 125 if (Opts.VisualizeEGDot) 126 Res.push_back("-analyzer-viz-egraph-graphviz"); 127 if (Opts.VisualizeEGUbi) 128 Res.push_back("-analyzer-viz-egraph-ubigraph"); 129 130 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 131 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 132 if (opt.second) 133 Res.push_back("-analyzer-disable-checker"); 134 else 135 Res.push_back("-analyzer-checker"); 136 Res.push_back(opt.first); 137 } 138 } 139 140 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 141 std::vector<std::string> &Res) { 142 if (Opts.DebugInfo) 143 Res.push_back("-g"); 144 if (Opts.DisableLLVMOpts) 145 Res.push_back("-disable-llvm-optzns"); 146 if (Opts.DisableRedZone) 147 Res.push_back("-disable-red-zone"); 148 if (!Opts.DebugCompilationDir.empty()) { 149 Res.push_back("-fdebug-compilation-dir"); 150 Res.push_back(Opts.DebugCompilationDir); 151 } 152 if (!Opts.DwarfDebugFlags.empty()) { 153 Res.push_back("-dwarf-debug-flags"); 154 Res.push_back(Opts.DwarfDebugFlags); 155 } 156 if (Opts.AddressSanitizer) 157 Res.push_back("-faddress-sanitizer"); 158 if (Opts.ObjCRuntimeHasARC) 159 Res.push_back("-fobjc-runtime-has-arc"); 160 if (Opts.ObjCRuntimeHasTerminate) 161 Res.push_back("-fobjc-runtime-has-terminate"); 162 if (Opts.EmitGcovArcs) 163 Res.push_back("-femit-coverage-data"); 164 if (Opts.EmitGcovNotes) 165 Res.push_back("-femit-coverage-notes"); 166 if (!Opts.MergeAllConstants) 167 Res.push_back("-fno-merge-all-constants"); 168 if (Opts.NoCommon) 169 Res.push_back("-fno-common"); 170 if (Opts.ForbidGuardVariables) 171 Res.push_back("-fforbid-guard-variables"); 172 if (Opts.UseRegisterSizedBitfieldAccess) 173 Res.push_back("-fuse-register-sized-bitfield-access"); 174 if (Opts.NoImplicitFloat) 175 Res.push_back("-no-implicit-float"); 176 if (Opts.OmitLeafFramePointer) 177 Res.push_back("-momit-leaf-frame-pointer"); 178 if (Opts.OptimizeSize) { 179 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 180 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 181 } else if (Opts.OptimizationLevel != 0) 182 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 183 if (!Opts.MainFileName.empty()) { 184 Res.push_back("-main-file-name"); 185 Res.push_back(Opts.MainFileName); 186 } 187 // SimplifyLibCalls is only derived. 188 // TimePasses is only derived. 189 // UnitAtATime is unused. 190 // Inlining is only derived. 191 192 // UnrollLoops is derived, but also accepts an option, no 193 // harm in pushing it back here. 194 if (Opts.UnrollLoops) 195 Res.push_back("-funroll-loops"); 196 if (Opts.DataSections) 197 Res.push_back("-fdata-sections"); 198 if (Opts.FunctionSections) 199 Res.push_back("-ffunction-sections"); 200 if (Opts.AsmVerbose) 201 Res.push_back("-masm-verbose"); 202 if (!Opts.CodeModel.empty()) { 203 Res.push_back("-mcode-model"); 204 Res.push_back(Opts.CodeModel); 205 } 206 if (Opts.CUDAIsDevice) 207 Res.push_back("-fcuda-is-device"); 208 if (!Opts.CXAAtExit) 209 Res.push_back("-fno-use-cxa-atexit"); 210 if (Opts.CXXCtorDtorAliases) 211 Res.push_back("-mconstructor-aliases"); 212 if (Opts.ObjCAutoRefCountExceptions) 213 Res.push_back("-fobjc-arc-eh"); 214 if (!Opts.DebugPass.empty()) { 215 Res.push_back("-mdebug-pass"); 216 Res.push_back(Opts.DebugPass); 217 } 218 if (Opts.DisableFPElim) 219 Res.push_back("-mdisable-fp-elim"); 220 if (!Opts.FloatABI.empty()) { 221 Res.push_back("-mfloat-abi"); 222 Res.push_back(Opts.FloatABI); 223 } 224 if (!Opts.LimitFloatPrecision.empty()) { 225 Res.push_back("-mlimit-float-precision"); 226 Res.push_back(Opts.LimitFloatPrecision); 227 } 228 if (Opts.NoZeroInitializedInBSS) 229 Res.push_back("-mno-zero-initialized-bss"); 230 switch (Opts.getObjCDispatchMethod()) { 231 case CodeGenOptions::Legacy: 232 break; 233 case CodeGenOptions::Mixed: 234 Res.push_back("-fobjc-dispatch-method=mixed"); 235 break; 236 case CodeGenOptions::NonLegacy: 237 Res.push_back("-fobjc-dispatch-method=non-legacy"); 238 break; 239 } 240 if (Opts.NumRegisterParameters) { 241 Res.push_back("-mregparm"); 242 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 243 } 244 if (Opts.NoGlobalMerge) 245 Res.push_back("-mno-global-merge"); 246 if (Opts.NoExecStack) 247 Res.push_back("-mnoexecstack"); 248 if (Opts.RelaxAll) 249 Res.push_back("-mrelax-all"); 250 if (Opts.SaveTempLabels) 251 Res.push_back("-msave-temp-labels"); 252 if (Opts.NoDwarf2CFIAsm) 253 Res.push_back("-fno-dwarf2-cfi-asm"); 254 if (Opts.NoDwarfDirectoryAsm) 255 Res.push_back("-fno-dwarf-directory-asm"); 256 if (Opts.SoftFloat) 257 Res.push_back("-msoft-float"); 258 if (Opts.UnwindTables) 259 Res.push_back("-munwind-tables"); 260 if (Opts.RelocationModel != "pic") { 261 Res.push_back("-mrelocation-model"); 262 Res.push_back(Opts.RelocationModel); 263 } 264 if (!Opts.VerifyModule) 265 Res.push_back("-disable-llvm-verifier"); 266 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 267 Res.push_back("-backend-option"); 268 Res.push_back(Opts.BackendOptions[i]); 269 } 270 } 271 272 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 273 std::vector<std::string> &Res) { 274 if (Opts.IncludeSystemHeaders) 275 Res.push_back("-sys-header-deps"); 276 if (Opts.ShowHeaderIncludes) 277 Res.push_back("-H"); 278 if (!Opts.HeaderIncludeOutputFile.empty()) { 279 Res.push_back("-header-include-file"); 280 Res.push_back(Opts.HeaderIncludeOutputFile); 281 } 282 if (Opts.UsePhonyTargets) 283 Res.push_back("-MP"); 284 if (!Opts.OutputFile.empty()) { 285 Res.push_back("-dependency-file"); 286 Res.push_back(Opts.OutputFile); 287 } 288 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 289 Res.push_back("-MT"); 290 Res.push_back(Opts.Targets[i]); 291 } 292 } 293 294 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 295 std::vector<std::string> &Res) { 296 if (Opts.IgnoreWarnings) 297 Res.push_back("-w"); 298 if (Opts.NoRewriteMacros) 299 Res.push_back("-Wno-rewrite-macros"); 300 if (Opts.Pedantic) 301 Res.push_back("-pedantic"); 302 if (Opts.PedanticErrors) 303 Res.push_back("-pedantic-errors"); 304 if (!Opts.ShowColumn) 305 Res.push_back("-fno-show-column"); 306 if (!Opts.ShowLocation) 307 Res.push_back("-fno-show-source-location"); 308 if (!Opts.ShowCarets) 309 Res.push_back("-fno-caret-diagnostics"); 310 if (!Opts.ShowFixits) 311 Res.push_back("-fno-diagnostics-fixit-info"); 312 if (Opts.ShowSourceRanges) 313 Res.push_back("-fdiagnostics-print-source-range-info"); 314 if (Opts.ShowParseableFixits) 315 Res.push_back("-fdiagnostics-parseable-fixits"); 316 if (Opts.ShowColors) 317 Res.push_back("-fcolor-diagnostics"); 318 if (Opts.VerifyDiagnostics) 319 Res.push_back("-verify"); 320 if (Opts.ShowNames) 321 Res.push_back("-fdiagnostics-show-name"); 322 if (Opts.ShowOptionNames) 323 Res.push_back("-fdiagnostics-show-option"); 324 if (Opts.ShowCategories == 1) 325 Res.push_back("-fdiagnostics-show-category=id"); 326 else if (Opts.ShowCategories == 2) 327 Res.push_back("-fdiagnostics-show-category=name"); 328 switch (Opts.Format) { 329 case DiagnosticOptions::Clang: 330 Res.push_back("-fdiagnostics-format=clang"); break; 331 case DiagnosticOptions::Msvc: 332 Res.push_back("-fdiagnostics-format=msvc"); break; 333 case DiagnosticOptions::Vi: 334 Res.push_back("-fdiagnostics-format=vi"); break; 335 } 336 if (Opts.ErrorLimit) { 337 Res.push_back("-ferror-limit"); 338 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 339 } 340 if (!Opts.DiagnosticLogFile.empty()) { 341 Res.push_back("-diagnostic-log-file"); 342 Res.push_back(Opts.DiagnosticLogFile); 343 } 344 if (Opts.MacroBacktraceLimit 345 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 346 Res.push_back("-fmacro-backtrace-limit"); 347 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 348 } 349 if (Opts.TemplateBacktraceLimit 350 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 351 Res.push_back("-ftemplate-backtrace-limit"); 352 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 353 } 354 355 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 356 Res.push_back("-ftabstop"); 357 Res.push_back(llvm::utostr(Opts.TabStop)); 358 } 359 if (Opts.MessageLength) { 360 Res.push_back("-fmessage-length"); 361 Res.push_back(llvm::utostr(Opts.MessageLength)); 362 } 363 if (!Opts.DumpBuildInformation.empty()) { 364 Res.push_back("-dump-build-information"); 365 Res.push_back(Opts.DumpBuildInformation); 366 } 367 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 368 Res.push_back("-W" + Opts.Warnings[i]); 369 } 370 371 static const char *getInputKindName(InputKind Kind) { 372 switch (Kind) { 373 case IK_None: break; 374 case IK_AST: return "ast"; 375 case IK_Asm: return "assembler-with-cpp"; 376 case IK_C: return "c"; 377 case IK_CXX: return "c++"; 378 case IK_LLVM_IR: return "ir"; 379 case IK_ObjC: return "objective-c"; 380 case IK_ObjCXX: return "objective-c++"; 381 case IK_OpenCL: return "cl"; 382 case IK_CUDA: return "cuda"; 383 case IK_PreprocessedC: return "cpp-output"; 384 case IK_PreprocessedCXX: return "c++-cpp-output"; 385 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 386 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 387 } 388 389 llvm_unreachable("Unexpected language kind!"); 390 return 0; 391 } 392 393 static const char *getActionName(frontend::ActionKind Kind) { 394 switch (Kind) { 395 case frontend::PluginAction: 396 llvm_unreachable("Invalid kind!"); 397 398 case frontend::ASTDump: return "-ast-dump"; 399 case frontend::ASTDumpXML: return "-ast-dump-xml"; 400 case frontend::ASTPrint: return "-ast-print"; 401 case frontend::ASTView: return "-ast-view"; 402 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 403 case frontend::DumpTokens: return "-dump-tokens"; 404 case frontend::EmitAssembly: return "-S"; 405 case frontend::EmitBC: return "-emit-llvm-bc"; 406 case frontend::EmitHTML: return "-emit-html"; 407 case frontend::EmitLLVM: return "-emit-llvm"; 408 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 409 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 410 case frontend::EmitObj: return "-emit-obj"; 411 case frontend::FixIt: return "-fixit"; 412 case frontend::GenerateModule: return "-emit-module"; 413 case frontend::GenerateModuleFromMap: return "-emit-module-from-map"; 414 case frontend::GeneratePCH: return "-emit-pch"; 415 case frontend::GeneratePTH: return "-emit-pth"; 416 case frontend::InitOnly: return "-init-only"; 417 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 418 case frontend::PrintDeclContext: return "-print-decl-contexts"; 419 case frontend::PrintPreamble: return "-print-preamble"; 420 case frontend::PrintPreprocessedInput: return "-E"; 421 case frontend::RewriteMacros: return "-rewrite-macros"; 422 case frontend::RewriteObjC: return "-rewrite-objc"; 423 case frontend::RewriteTest: return "-rewrite-test"; 424 case frontend::RunAnalysis: return "-analyze"; 425 case frontend::RunPreprocessorOnly: return "-Eonly"; 426 } 427 428 llvm_unreachable("Unexpected language kind!"); 429 return 0; 430 } 431 432 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 433 std::vector<std::string> &Res) { 434 if (!Opts.WorkingDir.empty()) { 435 Res.push_back("-working-directory"); 436 Res.push_back(Opts.WorkingDir); 437 } 438 } 439 440 static void FrontendOptsToArgs(const FrontendOptions &Opts, 441 std::vector<std::string> &Res) { 442 if (Opts.DisableFree) 443 Res.push_back("-disable-free"); 444 if (Opts.RelocatablePCH) 445 Res.push_back("-relocatable-pch"); 446 if (Opts.ShowHelp) 447 Res.push_back("-help"); 448 if (Opts.ShowMacrosInCodeCompletion) 449 Res.push_back("-code-completion-macros"); 450 if (Opts.ShowCodePatternsInCodeCompletion) 451 Res.push_back("-code-completion-patterns"); 452 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 453 Res.push_back("-no-code-completion-globals"); 454 if (Opts.ShowStats) 455 Res.push_back("-print-stats"); 456 if (Opts.ShowTimers) 457 Res.push_back("-ftime-report"); 458 if (Opts.ShowVersion) 459 Res.push_back("-version"); 460 if (Opts.FixWhatYouCan) 461 Res.push_back("-fix-what-you-can"); 462 switch (Opts.ARCMTAction) { 463 case FrontendOptions::ARCMT_None: 464 break; 465 case FrontendOptions::ARCMT_Check: 466 Res.push_back("-arcmt-check"); 467 break; 468 case FrontendOptions::ARCMT_Modify: 469 Res.push_back("-arcmt-modify"); 470 break; 471 case FrontendOptions::ARCMT_Migrate: 472 Res.push_back("-arcmt-migrate"); 473 break; 474 } 475 if (!Opts.ARCMTMigrateDir.empty()) { 476 Res.push_back("-arcmt-migrate-directory"); 477 Res.push_back(Opts.ARCMTMigrateDir); 478 } 479 if (!Opts.ARCMTMigrateReportOut.empty()) { 480 Res.push_back("-arcmt-migrate-report-output"); 481 Res.push_back(Opts.ARCMTMigrateReportOut); 482 } 483 if (Opts.ARCMTMigrateEmitARCErrors) 484 Res.push_back("-arcmt-migrate-emit-errors"); 485 486 bool NeedLang = false; 487 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 488 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 489 Opts.Inputs[i].first) 490 NeedLang = true; 491 if (NeedLang) { 492 Res.push_back("-x"); 493 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 494 } 495 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 496 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 497 "Unable to represent this input vector!"); 498 Res.push_back(Opts.Inputs[i].second); 499 } 500 501 if (!Opts.OutputFile.empty()) { 502 Res.push_back("-o"); 503 Res.push_back(Opts.OutputFile); 504 } 505 if (!Opts.CodeCompletionAt.FileName.empty()) { 506 Res.push_back("-code-completion-at"); 507 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 508 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 509 llvm::utostr(Opts.CodeCompletionAt.Column)); 510 } 511 if (Opts.ProgramAction != frontend::PluginAction) 512 Res.push_back(getActionName(Opts.ProgramAction)); 513 if (!Opts.ActionName.empty()) { 514 Res.push_back("-plugin"); 515 Res.push_back(Opts.ActionName); 516 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 517 Res.push_back("-plugin-arg-" + Opts.ActionName); 518 Res.push_back(Opts.PluginArgs[i]); 519 } 520 } 521 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 522 Res.push_back("-load"); 523 Res.push_back(Opts.Plugins[i]); 524 } 525 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 526 Res.push_back("-add-plugin"); 527 Res.push_back(Opts.AddPluginActions[i]); 528 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 529 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 530 Res.push_back(Opts.AddPluginArgs[i][ai]); 531 } 532 } 533 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 534 Res.push_back("-ast-merge"); 535 Res.push_back(Opts.ASTMergeFiles[i]); 536 } 537 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 538 Res.push_back("-mllvm"); 539 Res.push_back(Opts.LLVMArgs[i]); 540 } 541 } 542 543 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 544 std::vector<std::string> &Res) { 545 if (Opts.Sysroot != "/") { 546 Res.push_back("-isysroot"); 547 Res.push_back(Opts.Sysroot); 548 } 549 550 /// User specified include entries. 551 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 552 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 553 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 554 llvm::report_fatal_error("Invalid option set!"); 555 if (E.IsUserSupplied) { 556 switch (E.Group) { 557 case frontend::After: 558 Res.push_back("-idirafter"); 559 break; 560 561 case frontend::Quoted: 562 Res.push_back("-iquote"); 563 break; 564 565 case frontend::System: 566 Res.push_back("-isystem"); 567 break; 568 569 case frontend::IndexHeaderMap: 570 Res.push_back("-index-header-map"); 571 Res.push_back(E.IsFramework? "-F" : "-I"); 572 break; 573 574 case frontend::CSystem: 575 Res.push_back("-c-isystem"); 576 break; 577 578 case frontend::CXXSystem: 579 Res.push_back("-cxx-isystem"); 580 break; 581 582 case frontend::ObjCSystem: 583 Res.push_back("-objc-isystem"); 584 break; 585 586 case frontend::ObjCXXSystem: 587 Res.push_back("-objcxx-isystem"); 588 break; 589 590 case frontend::Angled: 591 Res.push_back(E.IsFramework ? "-F" : "-I"); 592 break; 593 } 594 } else { 595 if (E.IsInternal) { 596 assert(E.Group == frontend::System && "Unexpected header search group"); 597 if (E.ImplicitExternC) 598 Res.push_back("-internal-externc-isystem"); 599 else 600 Res.push_back("-internal-isystem"); 601 } else { 602 if (E.Group != frontend::Angled && E.Group != frontend::System) 603 llvm::report_fatal_error("Invalid option set!"); 604 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 605 "-iwithprefix"); 606 } 607 } 608 Res.push_back(E.Path); 609 } 610 611 if (!Opts.ResourceDir.empty()) { 612 Res.push_back("-resource-dir"); 613 Res.push_back(Opts.ResourceDir); 614 } 615 if (!Opts.ModuleCachePath.empty()) { 616 Res.push_back("-fmodule-cache-path"); 617 Res.push_back(Opts.ModuleCachePath); 618 } 619 if (!Opts.UseStandardSystemIncludes) 620 Res.push_back("-nostdsysteminc"); 621 if (!Opts.UseStandardCXXIncludes) 622 Res.push_back("-nostdinc++"); 623 if (Opts.UseLibcxx) 624 Res.push_back("-stdlib=libc++"); 625 if (Opts.Verbose) 626 Res.push_back("-v"); 627 } 628 629 static void LangOptsToArgs(const LangOptions &Opts, 630 std::vector<std::string> &Res) { 631 LangOptions DefaultLangOpts; 632 633 // FIXME: Need to set -std to get all the implicit options. 634 635 // FIXME: We want to only pass options relative to the defaults, which 636 // requires constructing a target. :( 637 // 638 // It would be better to push the all target specific choices into the driver, 639 // so that everything below that was more uniform. 640 641 if (Opts.Trigraphs) 642 Res.push_back("-trigraphs"); 643 // Implicit based on the input kind: 644 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 645 // Implicit based on the input language standard: 646 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 647 if (Opts.DollarIdents) 648 Res.push_back("-fdollars-in-identifiers"); 649 if (Opts.GNUMode && !Opts.GNUKeywords) 650 Res.push_back("-fno-gnu-keywords"); 651 if (!Opts.GNUMode && Opts.GNUKeywords) 652 Res.push_back("-fgnu-keywords"); 653 if (Opts.MicrosoftExt) 654 Res.push_back("-fms-extensions"); 655 if (Opts.MicrosoftMode) 656 Res.push_back("-fms-compatibility"); 657 if (Opts.MSCVersion != 0) 658 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 659 if (Opts.Borland) 660 Res.push_back("-fborland-extensions"); 661 if (!Opts.ObjCNonFragileABI) 662 Res.push_back("-fobjc-fragile-abi"); 663 if (Opts.ObjCDefaultSynthProperties) 664 Res.push_back("-fobjc-default-synthesize-properties"); 665 // NoInline is implicit. 666 if (!Opts.CXXOperatorNames) 667 Res.push_back("-fno-operator-names"); 668 if (Opts.PascalStrings) 669 Res.push_back("-fpascal-strings"); 670 if (Opts.CatchUndefined) 671 Res.push_back("-fcatch-undefined-behavior"); 672 if (Opts.WritableStrings) 673 Res.push_back("-fwritable-strings"); 674 if (Opts.ConstStrings) 675 Res.push_back("-fconst-strings"); 676 if (!Opts.LaxVectorConversions) 677 Res.push_back("-fno-lax-vector-conversions"); 678 if (Opts.AltiVec) 679 Res.push_back("-faltivec"); 680 if (Opts.Exceptions) 681 Res.push_back("-fexceptions"); 682 if (Opts.ObjCExceptions) 683 Res.push_back("-fobjc-exceptions"); 684 if (Opts.CXXExceptions) 685 Res.push_back("-fcxx-exceptions"); 686 if (Opts.SjLjExceptions) 687 Res.push_back("-fsjlj-exceptions"); 688 if (Opts.TraditionalCPP) 689 Res.push_back("-traditional-cpp"); 690 if (!Opts.RTTI) 691 Res.push_back("-fno-rtti"); 692 if (Opts.MSBitfields) 693 Res.push_back("-mms-bitfields"); 694 if (!Opts.NeXTRuntime) 695 Res.push_back("-fgnu-runtime"); 696 if (Opts.Freestanding) 697 Res.push_back("-ffreestanding"); 698 if (Opts.NoBuiltin) 699 Res.push_back("-fno-builtin"); 700 if (!Opts.AssumeSaneOperatorNew) 701 Res.push_back("-fno-assume-sane-operator-new"); 702 if (!Opts.ThreadsafeStatics) 703 Res.push_back("-fno-threadsafe-statics"); 704 if (Opts.POSIXThreads) 705 Res.push_back("-pthread"); 706 if (Opts.Blocks) 707 Res.push_back("-fblocks"); 708 if (Opts.BlocksRuntimeOptional) 709 Res.push_back("-fblocks-runtime-optional"); 710 if (Opts.EmitAllDecls) 711 Res.push_back("-femit-all-decls"); 712 if (Opts.MathErrno) 713 Res.push_back("-fmath-errno"); 714 switch (Opts.getSignedOverflowBehavior()) { 715 case LangOptions::SOB_Undefined: break; 716 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 717 case LangOptions::SOB_Trapping: 718 Res.push_back("-ftrapv"); 719 if (!Opts.OverflowHandler.empty()) { 720 Res.push_back("-ftrapv-handler"); 721 Res.push_back(Opts.OverflowHandler); 722 } 723 break; 724 } 725 if (Opts.HeinousExtensions) 726 Res.push_back("-fheinous-gnu-extensions"); 727 // Optimize is implicit. 728 // OptimizeSize is implicit. 729 if (Opts.Static) 730 Res.push_back("-static-define"); 731 if (Opts.DumpRecordLayouts) 732 Res.push_back("-fdump-record-layouts"); 733 if (Opts.DumpVTableLayouts) 734 Res.push_back("-fdump-vtable-layouts"); 735 if (Opts.NoBitFieldTypeAlign) 736 Res.push_back("-fno-bitfield-type-alignment"); 737 if (Opts.PICLevel) { 738 Res.push_back("-pic-level"); 739 Res.push_back(llvm::utostr(Opts.PICLevel)); 740 } 741 if (Opts.ObjCGCBitmapPrint) 742 Res.push_back("-print-ivar-layout"); 743 if (Opts.NoConstantCFStrings) 744 Res.push_back("-fno-constant-cfstrings"); 745 if (!Opts.AccessControl) 746 Res.push_back("-fno-access-control"); 747 if (!Opts.CharIsSigned) 748 Res.push_back("-fno-signed-char"); 749 if (Opts.ShortWChar) 750 Res.push_back("-fshort-wchar"); 751 if (!Opts.ElideConstructors) 752 Res.push_back("-fno-elide-constructors"); 753 if (Opts.getGC() != LangOptions::NonGC) { 754 if (Opts.getGC() == LangOptions::HybridGC) { 755 Res.push_back("-fobjc-gc"); 756 } else { 757 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 758 Res.push_back("-fobjc-gc-only"); 759 } 760 } 761 if (Opts.ObjCAutoRefCount) 762 Res.push_back("-fobjc-arc"); 763 if (Opts.ObjCRuntimeHasWeak) 764 Res.push_back("-fobjc-runtime-has-weak"); 765 if (!Opts.ObjCInferRelatedResultType) 766 Res.push_back("-fno-objc-infer-related-result-type"); 767 768 if (Opts.AppleKext) 769 Res.push_back("-fapple-kext"); 770 771 if (Opts.getVisibilityMode() != DefaultVisibility) { 772 Res.push_back("-fvisibility"); 773 if (Opts.getVisibilityMode() == HiddenVisibility) { 774 Res.push_back("hidden"); 775 } else { 776 assert(Opts.getVisibilityMode() == ProtectedVisibility && 777 "Invalid visibility!"); 778 Res.push_back("protected"); 779 } 780 } 781 if (Opts.InlineVisibilityHidden) 782 Res.push_back("-fvisibility-inlines-hidden"); 783 784 if (Opts.getStackProtector() != 0) { 785 Res.push_back("-stack-protector"); 786 Res.push_back(llvm::utostr(Opts.getStackProtector())); 787 } 788 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 789 Res.push_back("-ftemplate-depth"); 790 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 791 } 792 if (!Opts.ObjCConstantStringClass.empty()) { 793 Res.push_back("-fconstant-string-class"); 794 Res.push_back(Opts.ObjCConstantStringClass); 795 } 796 if (Opts.FakeAddressSpaceMap) 797 Res.push_back("-ffake-address-space-map"); 798 if (Opts.ParseUnknownAnytype) 799 Res.push_back("-funknown-anytype"); 800 if (Opts.DebuggerSupport) 801 Res.push_back("-fdebugger-support"); 802 if (Opts.DelayedTemplateParsing) 803 Res.push_back("-fdelayed-template-parsing"); 804 if (Opts.Deprecated) 805 Res.push_back("-fdeprecated-macro"); 806 if (Opts.ApplePragmaPack) 807 Res.push_back("-fapple-pragma-pack"); 808 if (!Opts.CurrentModule.empty()) 809 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 810 } 811 812 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 813 std::vector<std::string> &Res) { 814 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 815 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 816 Opts.Macros[i].first); 817 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 818 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 819 Res.push_back("-include"); 820 Res.push_back(Opts.Includes[i]); 821 } 822 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 823 Res.push_back("-imacros"); 824 Res.push_back(Opts.MacroIncludes[i]); 825 } 826 if (!Opts.UsePredefines) 827 Res.push_back("-undef"); 828 if (Opts.DetailedRecord) 829 Res.push_back("-detailed-preprocessing-record"); 830 if (!Opts.ImplicitPCHInclude.empty()) { 831 Res.push_back("-include-pch"); 832 Res.push_back(Opts.ImplicitPCHInclude); 833 } 834 if (!Opts.ImplicitPTHInclude.empty()) { 835 Res.push_back("-include-pth"); 836 Res.push_back(Opts.ImplicitPTHInclude); 837 } 838 if (!Opts.TokenCache.empty()) { 839 if (Opts.ImplicitPTHInclude.empty()) { 840 Res.push_back("-token-cache"); 841 Res.push_back(Opts.TokenCache); 842 } else 843 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 844 "Unsupported option combination!"); 845 } 846 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 847 Res.push_back("-chain-include"); 848 Res.push_back(Opts.ChainedIncludes[i]); 849 } 850 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 851 Res.push_back("-remap-file"); 852 Res.push_back(Opts.RemappedFiles[i].first + ";" + 853 Opts.RemappedFiles[i].second); 854 } 855 } 856 857 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 858 std::vector<std::string> &Res) { 859 if (!Opts.ShowCPP && !Opts.ShowMacros) 860 llvm::report_fatal_error("Invalid option combination!"); 861 862 if (Opts.ShowCPP && Opts.ShowMacros) 863 Res.push_back("-dD"); 864 else if (!Opts.ShowCPP && Opts.ShowMacros) 865 Res.push_back("-dM"); 866 867 if (!Opts.ShowLineMarkers) 868 Res.push_back("-P"); 869 if (Opts.ShowComments) 870 Res.push_back("-C"); 871 if (Opts.ShowMacroComments) 872 Res.push_back("-CC"); 873 } 874 875 static void TargetOptsToArgs(const TargetOptions &Opts, 876 std::vector<std::string> &Res) { 877 Res.push_back("-triple"); 878 Res.push_back(Opts.Triple); 879 if (!Opts.CPU.empty()) { 880 Res.push_back("-target-cpu"); 881 Res.push_back(Opts.CPU); 882 } 883 if (!Opts.ABI.empty()) { 884 Res.push_back("-target-abi"); 885 Res.push_back(Opts.ABI); 886 } 887 if (!Opts.LinkerVersion.empty()) { 888 Res.push_back("-target-linker-version"); 889 Res.push_back(Opts.LinkerVersion); 890 } 891 if (!Opts.CXXABI.empty()) { 892 Res.push_back("-cxx-abi"); 893 Res.push_back(Opts.CXXABI); 894 } 895 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 896 Res.push_back("-target-feature"); 897 Res.push_back(Opts.Features[i]); 898 } 899 } 900 901 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 902 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 903 CodeGenOptsToArgs(getCodeGenOpts(), Res); 904 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 905 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 906 FileSystemOptsToArgs(getFileSystemOpts(), Res); 907 FrontendOptsToArgs(getFrontendOpts(), Res); 908 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 909 LangOptsToArgs(*getLangOpts(), Res); 910 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 911 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 912 TargetOptsToArgs(getTargetOpts(), Res); 913 } 914 915 //===----------------------------------------------------------------------===// 916 // Deserialization (to args) 917 //===----------------------------------------------------------------------===// 918 919 using namespace clang::driver; 920 using namespace clang::driver::cc1options; 921 922 // 923 924 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 925 DiagnosticsEngine &Diags) { 926 unsigned DefaultOpt = 0; 927 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 928 DefaultOpt = 2; 929 // -Os/-Oz implies -O2 930 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 931 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 932 } 933 934 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 935 DiagnosticsEngine &Diags) { 936 using namespace cc1options; 937 938 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 939 StringRef Name = A->getValue(Args); 940 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 941 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 942 .Case(CMDFLAG, NAME##Model) 943 #include "clang/Frontend/Analyses.def" 944 .Default(NumStores); 945 // FIXME: Error handling. 946 if (Value == NumStores) 947 Diags.Report(diag::err_drv_invalid_value) 948 << A->getAsString(Args) << Name; 949 else 950 Opts.AnalysisStoreOpt = Value; 951 } 952 953 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 954 StringRef Name = A->getValue(Args); 955 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 956 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 957 .Case(CMDFLAG, NAME##Model) 958 #include "clang/Frontend/Analyses.def" 959 .Default(NumConstraints); 960 // FIXME: Error handling. 961 if (Value == NumConstraints) 962 Diags.Report(diag::err_drv_invalid_value) 963 << A->getAsString(Args) << Name; 964 else 965 Opts.AnalysisConstraintsOpt = Value; 966 } 967 968 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 969 StringRef Name = A->getValue(Args); 970 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 971 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 972 .Case(CMDFLAG, PD_##NAME) 973 #include "clang/Frontend/Analyses.def" 974 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 975 // FIXME: Error handling. 976 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 977 Diags.Report(diag::err_drv_invalid_value) 978 << A->getAsString(Args) << Name; 979 else 980 Opts.AnalysisDiagOpt = Value; 981 } 982 983 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 984 StringRef Name = A->getValue(Args); 985 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 986 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 987 .Case(CMDFLAG, NAME) 988 #include "clang/Frontend/Analyses.def" 989 .Default(NumPurgeModes); 990 // FIXME: Error handling. 991 if (Value == NumPurgeModes) 992 Diags.Report(diag::err_drv_invalid_value) 993 << A->getAsString(Args) << Name; 994 else 995 Opts.AnalysisPurgeOpt = Value; 996 } 997 998 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 999 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1000 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1001 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1002 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1003 Opts.AnalyzeNestedBlocks = 1004 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1005 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1006 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1007 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1008 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1009 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1010 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1011 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1012 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1013 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1014 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 1015 1016 Opts.CheckersControlList.clear(); 1017 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1018 OPT_analyzer_disable_checker), 1019 ie = Args.filtered_end(); it != ie; ++it) { 1020 const Arg *A = *it; 1021 A->claim(); 1022 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1023 // We can have a list of comma separated checker names, e.g: 1024 // '-analyzer-checker=cocoa,unix' 1025 StringRef checkerList = A->getValue(Args); 1026 SmallVector<StringRef, 4> checkers; 1027 checkerList.split(checkers, ","); 1028 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1029 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1030 } 1031 } 1032 1033 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1034 DiagnosticsEngine &Diags) { 1035 using namespace cc1options; 1036 1037 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1038 if (Opts.OptimizationLevel > 3) { 1039 Diags.Report(diag::err_drv_invalid_value) 1040 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1041 Opts.OptimizationLevel = 3; 1042 } 1043 1044 // We must always run at least the always inlining pass. 1045 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1046 : CodeGenOptions::OnlyAlwaysInlining; 1047 1048 Opts.DebugInfo = Args.hasArg(OPT_g); 1049 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1050 || Args.hasArg(OPT_flimit_debug_info); 1051 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1052 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1053 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1054 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1055 OPT_fuse_register_sized_bitfield_access); 1056 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1057 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1058 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1059 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1060 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1061 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1062 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1063 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1064 Args.hasArg(OPT_ffreestanding)); 1065 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1066 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1067 1068 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1069 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1070 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1071 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1072 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1073 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1074 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1075 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1076 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1077 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1078 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1079 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1080 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1081 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1082 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1083 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1084 Args.hasArg(OPT_cl_fast_relaxed_math); 1085 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1086 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1087 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1088 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1089 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1090 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1091 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1092 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1093 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1094 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1095 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1096 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1097 Args.hasArg(OPT_cl_fast_relaxed_math); 1098 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1099 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1100 1101 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1102 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1103 1104 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1105 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1106 1107 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1108 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1109 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1110 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1111 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1112 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1113 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1114 1115 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1116 StringRef Name = A->getValue(Args); 1117 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1118 .Case("legacy", CodeGenOptions::Legacy) 1119 .Case("non-legacy", CodeGenOptions::NonLegacy) 1120 .Case("mixed", CodeGenOptions::Mixed) 1121 .Default(~0U); 1122 if (Method == ~0U) 1123 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1124 else 1125 Opts.ObjCDispatchMethod = Method; 1126 } 1127 } 1128 1129 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1130 ArgList &Args) { 1131 using namespace cc1options; 1132 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1133 Opts.Targets = Args.getAllArgValues(OPT_MT); 1134 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1135 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1136 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1137 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1138 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1139 } 1140 1141 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1142 DiagnosticsEngine &Diags) { 1143 using namespace cc1options; 1144 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1145 Opts.DiagnosticSerializationFile = 1146 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1147 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1148 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1149 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1150 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1151 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1152 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1153 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1154 OPT_fno_show_column, 1155 /*Default=*/true); 1156 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1157 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1158 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1159 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1160 1161 // Default behavior is to not to show note include stacks. 1162 Opts.ShowNoteIncludeStack = false; 1163 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1164 OPT_fno_diagnostics_show_note_include_stack)) 1165 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1166 Opts.ShowNoteIncludeStack = true; 1167 1168 StringRef ShowOverloads = 1169 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1170 if (ShowOverloads == "best") 1171 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1172 else if (ShowOverloads == "all") 1173 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1174 else 1175 Diags.Report(diag::err_drv_invalid_value) 1176 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1177 << ShowOverloads; 1178 1179 StringRef ShowCategory = 1180 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1181 if (ShowCategory == "none") 1182 Opts.ShowCategories = 0; 1183 else if (ShowCategory == "id") 1184 Opts.ShowCategories = 1; 1185 else if (ShowCategory == "name") 1186 Opts.ShowCategories = 2; 1187 else 1188 Diags.Report(diag::err_drv_invalid_value) 1189 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1190 << ShowCategory; 1191 1192 StringRef Format = 1193 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1194 if (Format == "clang") 1195 Opts.Format = DiagnosticOptions::Clang; 1196 else if (Format == "msvc") 1197 Opts.Format = DiagnosticOptions::Msvc; 1198 else if (Format == "vi") 1199 Opts.Format = DiagnosticOptions::Vi; 1200 else 1201 Diags.Report(diag::err_drv_invalid_value) 1202 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1203 << Format; 1204 1205 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1206 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1207 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1208 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1209 Opts.MacroBacktraceLimit 1210 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1211 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1212 Opts.TemplateBacktraceLimit 1213 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1214 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1215 Diags); 1216 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1217 DiagnosticOptions::DefaultTabStop, Diags); 1218 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1219 Diags.Report(diag::warn_ignoring_ftabstop_value) 1220 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1221 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1222 } 1223 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1224 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1225 Opts.Warnings = Args.getAllArgValues(OPT_W); 1226 } 1227 1228 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1229 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1230 } 1231 1232 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1233 DiagnosticsEngine &Diags) { 1234 using namespace cc1options; 1235 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1236 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1237 switch (A->getOption().getID()) { 1238 default: 1239 llvm_unreachable("Invalid option in group!"); 1240 case OPT_ast_dump: 1241 Opts.ProgramAction = frontend::ASTDump; break; 1242 case OPT_ast_dump_xml: 1243 Opts.ProgramAction = frontend::ASTDumpXML; break; 1244 case OPT_ast_print: 1245 Opts.ProgramAction = frontend::ASTPrint; break; 1246 case OPT_ast_view: 1247 Opts.ProgramAction = frontend::ASTView; break; 1248 case OPT_dump_raw_tokens: 1249 Opts.ProgramAction = frontend::DumpRawTokens; break; 1250 case OPT_dump_tokens: 1251 Opts.ProgramAction = frontend::DumpTokens; break; 1252 case OPT_S: 1253 Opts.ProgramAction = frontend::EmitAssembly; break; 1254 case OPT_emit_llvm_bc: 1255 Opts.ProgramAction = frontend::EmitBC; break; 1256 case OPT_emit_html: 1257 Opts.ProgramAction = frontend::EmitHTML; break; 1258 case OPT_emit_llvm: 1259 Opts.ProgramAction = frontend::EmitLLVM; break; 1260 case OPT_emit_llvm_only: 1261 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1262 case OPT_emit_codegen_only: 1263 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1264 case OPT_emit_obj: 1265 Opts.ProgramAction = frontend::EmitObj; break; 1266 case OPT_fixit_EQ: 1267 Opts.FixItSuffix = A->getValue(Args); 1268 // fall-through! 1269 case OPT_fixit: 1270 Opts.ProgramAction = frontend::FixIt; break; 1271 case OPT_emit_module: 1272 Opts.ProgramAction = frontend::GenerateModule; break; 1273 case OPT_emit_module_from_map: 1274 Opts.ProgramAction = frontend::GenerateModuleFromMap; break; 1275 case OPT_emit_pch: 1276 Opts.ProgramAction = frontend::GeneratePCH; break; 1277 case OPT_emit_pth: 1278 Opts.ProgramAction = frontend::GeneratePTH; break; 1279 case OPT_init_only: 1280 Opts.ProgramAction = frontend::InitOnly; break; 1281 case OPT_fsyntax_only: 1282 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1283 case OPT_print_decl_contexts: 1284 Opts.ProgramAction = frontend::PrintDeclContext; break; 1285 case OPT_print_preamble: 1286 Opts.ProgramAction = frontend::PrintPreamble; break; 1287 case OPT_E: 1288 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1289 case OPT_rewrite_macros: 1290 Opts.ProgramAction = frontend::RewriteMacros; break; 1291 case OPT_rewrite_objc: 1292 Opts.ProgramAction = frontend::RewriteObjC; break; 1293 case OPT_rewrite_test: 1294 Opts.ProgramAction = frontend::RewriteTest; break; 1295 case OPT_analyze: 1296 Opts.ProgramAction = frontend::RunAnalysis; break; 1297 case OPT_Eonly: 1298 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1299 } 1300 } 1301 1302 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1303 Opts.Plugins.push_back(A->getValue(Args,0)); 1304 Opts.ProgramAction = frontend::PluginAction; 1305 Opts.ActionName = A->getValue(Args); 1306 1307 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1308 end = Args.filtered_end(); it != end; ++it) { 1309 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1310 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1311 } 1312 } 1313 1314 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1315 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1316 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1317 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1318 end = Args.filtered_end(); it != end; ++it) { 1319 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1320 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1321 } 1322 } 1323 1324 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1325 Opts.CodeCompletionAt = 1326 ParsedSourceLocation::FromString(A->getValue(Args)); 1327 if (Opts.CodeCompletionAt.FileName.empty()) 1328 Diags.Report(diag::err_drv_invalid_value) 1329 << A->getAsString(Args) << A->getValue(Args); 1330 } 1331 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1332 1333 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1334 Opts.Plugins = Args.getAllArgValues(OPT_load); 1335 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1336 Opts.ShowHelp = Args.hasArg(OPT_help); 1337 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1338 Opts.ShowCodePatternsInCodeCompletion 1339 = Args.hasArg(OPT_code_completion_patterns); 1340 Opts.ShowGlobalSymbolsInCodeCompletion 1341 = !Args.hasArg(OPT_no_code_completion_globals); 1342 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1343 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1344 Opts.ShowVersion = Args.hasArg(OPT_version); 1345 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1346 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1347 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1348 1349 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1350 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1351 OPT_arcmt_modify, 1352 OPT_arcmt_migrate)) { 1353 switch (A->getOption().getID()) { 1354 default: 1355 llvm_unreachable("missed a case"); 1356 case OPT_arcmt_check: 1357 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1358 break; 1359 case OPT_arcmt_modify: 1360 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1361 break; 1362 case OPT_arcmt_migrate: 1363 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1364 break; 1365 } 1366 } 1367 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1368 Opts.ARCMTMigrateReportOut 1369 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1370 Opts.ARCMTMigrateEmitARCErrors 1371 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1372 1373 InputKind DashX = IK_None; 1374 if (const Arg *A = Args.getLastArg(OPT_x)) { 1375 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1376 .Case("c", IK_C) 1377 .Case("cl", IK_OpenCL) 1378 .Case("cuda", IK_CUDA) 1379 .Case("c++", IK_CXX) 1380 .Case("objective-c", IK_ObjC) 1381 .Case("objective-c++", IK_ObjCXX) 1382 .Case("cpp-output", IK_PreprocessedC) 1383 .Case("assembler-with-cpp", IK_Asm) 1384 .Case("c++-cpp-output", IK_PreprocessedCXX) 1385 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1386 .Case("objc-cpp-output", IK_PreprocessedObjC) 1387 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1388 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1389 .Case("c-header", IK_C) 1390 .Case("cl-header", IK_OpenCL) 1391 .Case("objective-c-header", IK_ObjC) 1392 .Case("c++-header", IK_CXX) 1393 .Case("objective-c++-header", IK_ObjCXX) 1394 .Case("ast", IK_AST) 1395 .Case("ir", IK_LLVM_IR) 1396 .Default(IK_None); 1397 if (DashX == IK_None) 1398 Diags.Report(diag::err_drv_invalid_value) 1399 << A->getAsString(Args) << A->getValue(Args); 1400 } 1401 1402 // '-' is the default input if none is given. 1403 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1404 Opts.Inputs.clear(); 1405 if (Inputs.empty()) 1406 Inputs.push_back("-"); 1407 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1408 InputKind IK = DashX; 1409 if (IK == IK_None) { 1410 IK = FrontendOptions::getInputKindForExtension( 1411 StringRef(Inputs[i]).rsplit('.').second); 1412 // FIXME: Remove this hack. 1413 if (i == 0) 1414 DashX = IK; 1415 } 1416 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1417 } 1418 1419 return DashX; 1420 } 1421 1422 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1423 void *MainAddr) { 1424 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1425 1426 if (!P.isEmpty()) { 1427 P.eraseComponent(); // Remove /clang from foo/bin/clang 1428 P.eraseComponent(); // Remove /bin from foo/bin 1429 1430 // Get foo/lib/clang/<version>/include 1431 P.appendComponent("lib"); 1432 P.appendComponent("clang"); 1433 P.appendComponent(CLANG_VERSION_STRING); 1434 } 1435 1436 return P.str(); 1437 } 1438 1439 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1440 using namespace cc1options; 1441 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1442 Opts.Verbose = Args.hasArg(OPT_v); 1443 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1444 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1445 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1446 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1447 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1448 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1449 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1450 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1451 1452 // Add -I..., -F..., and -index-header-map options in order. 1453 bool IsIndexHeaderMap = false; 1454 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1455 OPT_index_header_map), 1456 ie = Args.filtered_end(); it != ie; ++it) { 1457 if ((*it)->getOption().matches(OPT_index_header_map)) { 1458 // -index-header-map applies to the next -I or -F. 1459 IsIndexHeaderMap = true; 1460 continue; 1461 } 1462 1463 frontend::IncludeDirGroup Group 1464 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1465 1466 Opts.AddPath((*it)->getValue(Args), Group, true, 1467 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1468 IsIndexHeaderMap = false; 1469 } 1470 1471 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1472 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1473 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1474 OPT_iwithprefixbefore), 1475 ie = Args.filtered_end(); it != ie; ++it) { 1476 const Arg *A = *it; 1477 if (A->getOption().matches(OPT_iprefix)) 1478 Prefix = A->getValue(Args); 1479 else if (A->getOption().matches(OPT_iwithprefix)) 1480 Opts.AddPath(Prefix.str() + A->getValue(Args), 1481 frontend::System, false, false, false); 1482 else 1483 Opts.AddPath(Prefix.str() + A->getValue(Args), 1484 frontend::Angled, false, false, false); 1485 } 1486 1487 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1488 ie = Args.filtered_end(); it != ie; ++it) 1489 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1490 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1491 ie = Args.filtered_end(); it != ie; ++it) 1492 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1493 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1494 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1495 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1496 !(*it)->getOption().matches(OPT_iwithsysroot)); 1497 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1498 ie = Args.filtered_end(); it != ie; ++it) 1499 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1500 true); 1501 1502 // Add the paths for the various language specific isystem flags. 1503 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1504 ie = Args.filtered_end(); it != ie; ++it) 1505 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1506 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1507 ie = Args.filtered_end(); it != ie; ++it) 1508 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1509 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1510 ie = Args.filtered_end(); it != ie; ++it) 1511 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1512 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1513 ie = Args.filtered_end(); it != ie; ++it) 1514 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1515 true); 1516 1517 // Add the internal paths from a driver that detects standard include paths. 1518 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1519 OPT_internal_externc_isystem), 1520 E = Args.filtered_end(); 1521 I != E; ++I) 1522 Opts.AddPath((*I)->getValue(Args), frontend::System, 1523 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1524 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1525 } 1526 1527 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1528 LangStandard::Kind LangStd) { 1529 // Set some properties which depend solely on the input kind; it would be nice 1530 // to move these to the language standard, and have the driver resolve the 1531 // input kind + language standard. 1532 if (IK == IK_Asm) { 1533 Opts.AsmPreprocessor = 1; 1534 } else if (IK == IK_ObjC || 1535 IK == IK_ObjCXX || 1536 IK == IK_PreprocessedObjC || 1537 IK == IK_PreprocessedObjCXX) { 1538 Opts.ObjC1 = Opts.ObjC2 = 1; 1539 } 1540 1541 if (LangStd == LangStandard::lang_unspecified) { 1542 // Based on the base language, pick one. 1543 switch (IK) { 1544 case IK_None: 1545 case IK_AST: 1546 case IK_LLVM_IR: 1547 llvm_unreachable("Invalid input kind!"); 1548 case IK_OpenCL: 1549 LangStd = LangStandard::lang_opencl; 1550 break; 1551 case IK_CUDA: 1552 LangStd = LangStandard::lang_cuda; 1553 break; 1554 case IK_Asm: 1555 case IK_C: 1556 case IK_PreprocessedC: 1557 case IK_ObjC: 1558 case IK_PreprocessedObjC: 1559 LangStd = LangStandard::lang_gnu99; 1560 break; 1561 case IK_CXX: 1562 case IK_PreprocessedCXX: 1563 case IK_ObjCXX: 1564 case IK_PreprocessedObjCXX: 1565 LangStd = LangStandard::lang_gnucxx98; 1566 break; 1567 } 1568 } 1569 1570 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1571 Opts.BCPLComment = Std.hasBCPLComments(); 1572 Opts.C99 = Std.isC99(); 1573 Opts.C1X = Std.isC1X(); 1574 Opts.CPlusPlus = Std.isCPlusPlus(); 1575 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1576 Opts.Digraphs = Std.hasDigraphs(); 1577 Opts.GNUMode = Std.isGNUMode(); 1578 Opts.GNUInline = !Std.isC99(); 1579 Opts.HexFloats = Std.hasHexFloats(); 1580 Opts.ImplicitInt = Std.hasImplicitInt(); 1581 1582 // OpenCL has some additional defaults. 1583 if (LangStd == LangStandard::lang_opencl) { 1584 Opts.OpenCL = 1; 1585 Opts.AltiVec = 0; 1586 Opts.CXXOperatorNames = 1; 1587 Opts.LaxVectorConversions = 0; 1588 Opts.DefaultFPContract = 1; 1589 } 1590 1591 if (LangStd == LangStandard::lang_cuda) 1592 Opts.CUDA = 1; 1593 1594 // OpenCL and C++ both have bool, true, false keywords. 1595 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1596 1597 Opts.GNUKeywords = Opts.GNUMode; 1598 Opts.CXXOperatorNames = Opts.CPlusPlus; 1599 1600 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1601 // is specified, or -std is set to a conforming mode. 1602 Opts.Trigraphs = !Opts.GNUMode; 1603 1604 Opts.DollarIdents = !Opts.AsmPreprocessor; 1605 } 1606 1607 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1608 DiagnosticsEngine &Diags) { 1609 // FIXME: Cleanup per-file based stuff. 1610 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1611 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1612 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1613 #define LANGSTANDARD(id, name, desc, features) \ 1614 .Case(name, LangStandard::lang_##id) 1615 #include "clang/Frontend/LangStandards.def" 1616 .Default(LangStandard::lang_unspecified); 1617 if (LangStd == LangStandard::lang_unspecified) 1618 Diags.Report(diag::err_drv_invalid_value) 1619 << A->getAsString(Args) << A->getValue(Args); 1620 else { 1621 // Valid standard, check to make sure language and standard are compatable. 1622 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1623 switch (IK) { 1624 case IK_C: 1625 case IK_ObjC: 1626 case IK_PreprocessedC: 1627 case IK_PreprocessedObjC: 1628 if (!(Std.isC89() || Std.isC99())) 1629 Diags.Report(diag::err_drv_argument_not_allowed_with) 1630 << A->getAsString(Args) << "C/ObjC"; 1631 break; 1632 case IK_CXX: 1633 case IK_ObjCXX: 1634 case IK_PreprocessedCXX: 1635 case IK_PreprocessedObjCXX: 1636 if (!Std.isCPlusPlus()) 1637 Diags.Report(diag::err_drv_argument_not_allowed_with) 1638 << A->getAsString(Args) << "C++/ObjC++"; 1639 break; 1640 case IK_OpenCL: 1641 if (!Std.isC99()) 1642 Diags.Report(diag::err_drv_argument_not_allowed_with) 1643 << A->getAsString(Args) << "OpenCL"; 1644 break; 1645 case IK_CUDA: 1646 if (!Std.isCPlusPlus()) 1647 Diags.Report(diag::err_drv_argument_not_allowed_with) 1648 << A->getAsString(Args) << "CUDA"; 1649 break; 1650 default: 1651 break; 1652 } 1653 } 1654 } 1655 1656 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1657 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1658 Diags.Report(diag::err_drv_invalid_value) 1659 << A->getAsString(Args) << A->getValue(Args); 1660 } 1661 } 1662 1663 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1664 1665 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1666 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1667 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1668 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1669 // name, as it doesn't seem a useful distinction. 1670 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1671 Opts.GNUKeywords); 1672 1673 if (Args.hasArg(OPT_fno_operator_names)) 1674 Opts.CXXOperatorNames = 0; 1675 1676 if (Opts.ObjC1) { 1677 if (Args.hasArg(OPT_fobjc_gc_only)) 1678 Opts.setGC(LangOptions::GCOnly); 1679 else if (Args.hasArg(OPT_fobjc_gc)) 1680 Opts.setGC(LangOptions::HybridGC); 1681 else if (Args.hasArg(OPT_fobjc_arc)) { 1682 Opts.ObjCAutoRefCount = 1; 1683 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1684 Diags.Report(diag::err_arc_nonfragile_abi); 1685 } 1686 1687 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1688 Opts.ObjCRuntimeHasWeak = 1; 1689 1690 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1691 Opts.ObjCInferRelatedResultType = 0; 1692 } 1693 1694 if (Args.hasArg(OPT_fgnu89_inline)) 1695 Opts.GNUInline = 1; 1696 1697 if (Args.hasArg(OPT_fapple_kext)) { 1698 if (!Opts.CPlusPlus) 1699 Diags.Report(diag::warn_c_kext); 1700 else 1701 Opts.AppleKext = 1; 1702 } 1703 1704 if (Args.hasArg(OPT_print_ivar_layout)) 1705 Opts.ObjCGCBitmapPrint = 1; 1706 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1707 Opts.NoConstantCFStrings = 1; 1708 1709 if (Args.hasArg(OPT_faltivec)) 1710 Opts.AltiVec = 1; 1711 1712 if (Args.hasArg(OPT_pthread)) 1713 Opts.POSIXThreads = 1; 1714 1715 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1716 Opts.DelayedTemplateParsing = 1; 1717 1718 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1719 if (Vis == "default") 1720 Opts.setVisibilityMode(DefaultVisibility); 1721 else if (Vis == "hidden") 1722 Opts.setVisibilityMode(HiddenVisibility); 1723 else if (Vis == "protected") 1724 Opts.setVisibilityMode(ProtectedVisibility); 1725 else 1726 Diags.Report(diag::err_drv_invalid_value) 1727 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1728 1729 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1730 Opts.InlineVisibilityHidden = 1; 1731 1732 if (Args.hasArg(OPT_ftrapv)) { 1733 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1734 // Set the handler, if one is specified. 1735 Opts.OverflowHandler = 1736 Args.getLastArgValue(OPT_ftrapv_handler); 1737 } 1738 else if (Args.hasArg(OPT_fwrapv)) 1739 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1740 1741 if (Args.hasArg(OPT_trigraphs)) 1742 Opts.Trigraphs = 1; 1743 1744 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1745 OPT_fno_dollars_in_identifiers, 1746 Opts.DollarIdents); 1747 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1748 Opts.MicrosoftExt 1749 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1750 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1751 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1752 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1753 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1754 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1755 Opts.ConstStrings); 1756 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1757 Opts.LaxVectorConversions = 0; 1758 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1759 Opts.ThreadsafeStatics = 0; 1760 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1761 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1762 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1763 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1764 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1765 1766 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1767 Opts.Blocks = Args.hasArg(OPT_fblocks); 1768 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1769 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1770 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1771 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1772 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1773 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1774 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1775 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1776 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1777 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1778 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1779 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1780 Diags); 1781 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1782 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1783 0, Diags); 1784 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1785 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1786 Opts.ObjCConstantStringClass = 1787 Args.getLastArgValue(OPT_fconstant_string_class); 1788 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1789 if (Opts.ObjCNonFragileABI) 1790 Opts.ObjCNonFragileABI2 = true; 1791 Opts.ObjCDefaultSynthProperties = 1792 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1793 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1794 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1795 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1796 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1797 Opts.Static = Args.hasArg(OPT_static_define); 1798 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1799 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1800 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1801 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1802 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1803 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1804 Opts.OptimizeSize = 0; 1805 Opts.MRTD = Args.hasArg(OPT_mrtd); 1806 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1807 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1808 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1809 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1810 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1811 1812 // Record whether the __DEPRECATED define was requested. 1813 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1814 OPT_fno_deprecated_macro, 1815 Opts.Deprecated); 1816 1817 // FIXME: Eliminate this dependency. 1818 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1819 Opts.Optimize = Opt != 0; 1820 1821 // This is the __NO_INLINE__ define, which just depends on things like the 1822 // optimization level and -fno-inline, not actually whether the backend has 1823 // inlining enabled. 1824 // 1825 // FIXME: This is affected by other options (-fno-inline). 1826 Opts.NoInline = !Opt; 1827 1828 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1829 switch (SSP) { 1830 default: 1831 Diags.Report(diag::err_drv_invalid_value) 1832 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1833 break; 1834 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1835 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1836 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1837 } 1838 } 1839 1840 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1841 FileManager &FileMgr, 1842 DiagnosticsEngine &Diags) { 1843 using namespace cc1options; 1844 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1845 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1846 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1847 Opts.TokenCache = A->getValue(Args); 1848 else 1849 Opts.TokenCache = Opts.ImplicitPTHInclude; 1850 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1851 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1852 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1853 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1854 1855 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1856 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1857 ie = Args.filtered_end(); it != ie; ++it) { 1858 const Arg *A = *it; 1859 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1860 } 1861 1862 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1863 StringRef Value(A->getValue(Args)); 1864 size_t Comma = Value.find(','); 1865 unsigned Bytes = 0; 1866 unsigned EndOfLine = 0; 1867 1868 if (Comma == StringRef::npos || 1869 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1870 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1871 Diags.Report(diag::err_drv_preamble_format); 1872 else { 1873 Opts.PrecompiledPreambleBytes.first = Bytes; 1874 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1875 } 1876 } 1877 1878 // Add macros from the command line. 1879 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1880 ie = Args.filtered_end(); it != ie; ++it) { 1881 if ((*it)->getOption().matches(OPT_D)) 1882 Opts.addMacroDef((*it)->getValue(Args)); 1883 else 1884 Opts.addMacroUndef((*it)->getValue(Args)); 1885 } 1886 1887 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1888 1889 // Add the ordered list of -includes. 1890 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1891 OPT_include_pth), 1892 ie = Args.filtered_end(); it != ie; ++it) { 1893 const Arg *A = *it; 1894 // PCH is handled specially, we need to extra the original include path. 1895 if (A->getOption().matches(OPT_include_pch)) { 1896 std::string OriginalFile = 1897 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1898 if (OriginalFile.empty()) 1899 continue; 1900 1901 Opts.Includes.push_back(OriginalFile); 1902 } else 1903 Opts.Includes.push_back(A->getValue(Args)); 1904 } 1905 1906 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1907 ie = Args.filtered_end(); it != ie; ++it) { 1908 const Arg *A = *it; 1909 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1910 } 1911 1912 // Include 'altivec.h' if -faltivec option present 1913 if (Args.hasArg(OPT_faltivec)) 1914 Opts.Includes.push_back("altivec.h"); 1915 1916 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1917 ie = Args.filtered_end(); it != ie; ++it) { 1918 const Arg *A = *it; 1919 std::pair<StringRef,StringRef> Split = 1920 StringRef(A->getValue(Args)).split(';'); 1921 1922 if (Split.second.empty()) { 1923 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1924 continue; 1925 } 1926 1927 Opts.addRemappedFile(Split.first, Split.second); 1928 } 1929 1930 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1931 StringRef Name = A->getValue(Args); 1932 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1933 .Case("libc++", ARCXX_libcxx) 1934 .Case("libstdc++", ARCXX_libstdcxx) 1935 .Case("none", ARCXX_nolib) 1936 .Default(~0U); 1937 if (Library == ~0U) 1938 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1939 else 1940 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1941 } 1942 } 1943 1944 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1945 ArgList &Args) { 1946 using namespace cc1options; 1947 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1948 Opts.ShowComments = Args.hasArg(OPT_C); 1949 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1950 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1951 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1952 } 1953 1954 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1955 using namespace cc1options; 1956 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1957 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1958 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1959 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1960 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1961 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1962 1963 // Use the default target triple if unspecified. 1964 if (Opts.Triple.empty()) 1965 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 1966 } 1967 1968 // 1969 1970 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1971 const char *const *ArgBegin, 1972 const char *const *ArgEnd, 1973 DiagnosticsEngine &Diags) { 1974 // Parse the arguments. 1975 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1976 unsigned MissingArgIndex, MissingArgCount; 1977 llvm::OwningPtr<InputArgList> Args( 1978 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1979 1980 // Check for missing argument error. 1981 if (MissingArgCount) 1982 Diags.Report(diag::err_drv_missing_argument) 1983 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1984 1985 // Issue errors on unknown arguments. 1986 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1987 ie = Args->filtered_end(); it != ie; ++it) 1988 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1989 1990 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1991 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1992 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1993 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1994 // FIXME: We shouldn't have to pass the DashX option around here 1995 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1996 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1997 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1998 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1999 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2000 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2001 Res.getLangOpts()->ObjCExceptions = 1; 2002 } 2003 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2004 // PCH file and find the original header name. Remove the need to do that in 2005 // ParsePreprocessorArgs and remove the FileManager 2006 // parameters from the function and the "FileManager.h" #include. 2007 FileManager FileMgr(Res.getFileSystemOpts()); 2008 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2009 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2010 ParseTargetArgs(Res.getTargetOpts(), *Args); 2011 } 2012 2013 namespace { 2014 2015 class ModuleSignature { 2016 llvm::SmallVector<uint64_t, 16> Data; 2017 unsigned CurBit; 2018 uint64_t CurValue; 2019 2020 public: 2021 ModuleSignature() : CurBit(0), CurValue(0) { } 2022 2023 void add(uint64_t Value, unsigned Bits); 2024 void add(StringRef Value); 2025 void flush(); 2026 2027 llvm::APInt getAsInteger() const; 2028 }; 2029 } 2030 2031 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2032 CurValue |= Value << CurBit; 2033 if (CurBit + NumBits < 64) { 2034 CurBit += NumBits; 2035 return; 2036 } 2037 2038 // Add the current word. 2039 Data.push_back(CurValue); 2040 2041 if (CurBit) 2042 CurValue = Value >> (64-CurBit); 2043 else 2044 CurValue = 0; 2045 CurBit = (CurBit+NumBits) & 63; 2046 } 2047 2048 void ModuleSignature::flush() { 2049 if (CurBit == 0) 2050 return; 2051 2052 Data.push_back(CurValue); 2053 CurBit = 0; 2054 CurValue = 0; 2055 } 2056 2057 void ModuleSignature::add(StringRef Value) { 2058 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2059 add(*I, 8); 2060 } 2061 2062 llvm::APInt ModuleSignature::getAsInteger() const { 2063 return llvm::APInt(Data.size() * 64, Data); 2064 } 2065 2066 std::string CompilerInvocation::getModuleHash() const { 2067 ModuleSignature Signature; 2068 2069 // Start the signature with the compiler version. 2070 Signature.add(getClangFullRepositoryVersion()); 2071 2072 // Extend the signature with the language options 2073 #define LANGOPT(Name, Bits, Default, Description) \ 2074 Signature.add(LangOpts->Name, Bits); 2075 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2076 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2077 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2078 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2079 #include "clang/Basic/LangOptions.def" 2080 2081 // Extend the signature with the target triple 2082 llvm::Triple T(TargetOpts.Triple); 2083 Signature.add((unsigned)T.getArch(), 5); 2084 Signature.add((unsigned)T.getVendor(), 4); 2085 Signature.add((unsigned)T.getOS(), 5); 2086 Signature.add((unsigned)T.getEnvironment(), 4); 2087 2088 // Extend the signature with preprocessor options. 2089 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2090 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2091 2092 // Hash the preprocessor defines. 2093 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2094 std::vector<StringRef> MacroDefs; 2095 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2096 I = getPreprocessorOpts().Macros.begin(), 2097 IEnd = getPreprocessorOpts().Macros.end(); 2098 I != IEnd; ++I) { 2099 if (!I->second) 2100 MacroDefs.push_back(I->first); 2101 } 2102 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2103 2104 unsigned PPHashResult = 0; 2105 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2106 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2107 Signature.add(PPHashResult, 32); 2108 2109 // We've generated the signature. Treat it as one large APInt that we'll 2110 // encode in base-36 and return. 2111 Signature.flush(); 2112 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2113 } 2114