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