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 : llvm::RefCountedBase<CompilerInvocation>(), 42 LangOpts(new LangOptions(*X.getLangOpts())) {} 43 44 //===----------------------------------------------------------------------===// 45 // Utility functions. 46 //===----------------------------------------------------------------------===// 47 48 static const char *getAnalysisStoreName(AnalysisStores Kind) { 49 switch (Kind) { 50 default: 51 llvm_unreachable("Unknown analysis store!"); 52 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 53 case NAME##Model: return CMDFLAG; 54 #include "clang/Frontend/Analyses.def" 55 } 56 } 57 58 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 59 switch (Kind) { 60 default: 61 llvm_unreachable("Unknown analysis constraints!"); 62 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 63 case NAME##Model: return CMDFLAG; 64 #include "clang/Frontend/Analyses.def" 65 } 66 } 67 68 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 69 switch (Kind) { 70 default: 71 llvm_unreachable("Unknown analysis client!"); 72 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 73 case PD_##NAME: return CMDFLAG; 74 #include "clang/Frontend/Analyses.def" 75 } 76 } 77 78 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 79 switch (Kind) { 80 default: 81 llvm_unreachable("Unknown analysis client!"); 82 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 83 case NAME: return CMDFLAG; 84 #include "clang/Frontend/Analyses.def" 85 } 86 } 87 88 //===----------------------------------------------------------------------===// 89 // Serialization (to args) 90 //===----------------------------------------------------------------------===// 91 92 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 93 std::vector<std::string> &Res) { 94 if (Opts.ShowCheckerHelp) 95 Res.push_back("-analyzer-checker-help"); 96 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 97 Res.push_back("-analyzer-store"); 98 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 99 } 100 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 101 Res.push_back("-analyzer-constraints"); 102 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 103 } 104 if (Opts.AnalysisDiagOpt != PD_HTML) { 105 Res.push_back("-analyzer-output"); 106 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 107 } 108 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 109 Res.push_back("-analyzer-purge"); 110 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 111 } 112 if (!Opts.AnalyzeSpecificFunction.empty()) { 113 Res.push_back("-analyze-function"); 114 Res.push_back(Opts.AnalyzeSpecificFunction); 115 } 116 if (Opts.AnalyzeAll) 117 Res.push_back("-analyzer-opt-analyze-headers"); 118 if (Opts.AnalyzerDisplayProgress) 119 Res.push_back("-analyzer-display-progress"); 120 if (Opts.AnalyzeNestedBlocks) 121 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 122 if (Opts.EagerlyAssume) 123 Res.push_back("-analyzer-eagerly-assume"); 124 if (Opts.TrimGraph) 125 Res.push_back("-trim-egraph"); 126 if (Opts.VisualizeEGDot) 127 Res.push_back("-analyzer-viz-egraph-graphviz"); 128 if (Opts.VisualizeEGUbi) 129 Res.push_back("-analyzer-viz-egraph-ubigraph"); 130 131 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 132 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 133 if (opt.second) 134 Res.push_back("-analyzer-disable-checker"); 135 else 136 Res.push_back("-analyzer-checker"); 137 Res.push_back(opt.first); 138 } 139 } 140 141 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 142 std::vector<std::string> &Res) { 143 if (Opts.DebugInfo) 144 Res.push_back("-g"); 145 if (Opts.DisableLLVMOpts) 146 Res.push_back("-disable-llvm-optzns"); 147 if (Opts.DisableRedZone) 148 Res.push_back("-disable-red-zone"); 149 if (!Opts.DebugCompilationDir.empty()) { 150 Res.push_back("-fdebug-compilation-dir"); 151 Res.push_back(Opts.DebugCompilationDir); 152 } 153 if (!Opts.DwarfDebugFlags.empty()) { 154 Res.push_back("-dwarf-debug-flags"); 155 Res.push_back(Opts.DwarfDebugFlags); 156 } 157 if (Opts.ObjCRuntimeHasARC) 158 Res.push_back("-fobjc-runtime-has-arc"); 159 if (Opts.ObjCRuntimeHasTerminate) 160 Res.push_back("-fobjc-runtime-has-terminate"); 161 if (Opts.EmitGcovArcs) 162 Res.push_back("-femit-coverage-data"); 163 if (Opts.EmitGcovNotes) 164 Res.push_back("-femit-coverage-notes"); 165 if (!Opts.MergeAllConstants) 166 Res.push_back("-fno-merge-all-constants"); 167 if (Opts.NoCommon) 168 Res.push_back("-fno-common"); 169 if (Opts.ForbidGuardVariables) 170 Res.push_back("-fforbid-guard-variables"); 171 if (Opts.UseRegisterSizedBitfieldAccess) 172 Res.push_back("-fuse-register-sized-bitfield-access"); 173 if (Opts.NoImplicitFloat) 174 Res.push_back("-no-implicit-float"); 175 if (Opts.OmitLeafFramePointer) 176 Res.push_back("-momit-leaf-frame-pointer"); 177 if (Opts.OptimizeSize) { 178 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 179 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 180 } else if (Opts.OptimizationLevel != 0) 181 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 182 if (!Opts.MainFileName.empty()) { 183 Res.push_back("-main-file-name"); 184 Res.push_back(Opts.MainFileName); 185 } 186 if (Opts.NoInfsFPMath) 187 Res.push_back("-menable-no-infinities"); 188 if (Opts.NoNaNsFPMath) 189 Res.push_back("-menable-no-nans"); 190 // SimplifyLibCalls is only derived. 191 // TimePasses is only derived. 192 // UnitAtATime is unused. 193 // Inlining is only derived. 194 195 // UnrollLoops is derived, but also accepts an option, no 196 // harm in pushing it back here. 197 if (Opts.UnrollLoops) 198 Res.push_back("-funroll-loops"); 199 if (Opts.DataSections) 200 Res.push_back("-fdata-sections"); 201 if (Opts.FunctionSections) 202 Res.push_back("-ffunction-sections"); 203 if (Opts.AsmVerbose) 204 Res.push_back("-masm-verbose"); 205 if (!Opts.CodeModel.empty()) { 206 Res.push_back("-mcode-model"); 207 Res.push_back(Opts.CodeModel); 208 } 209 if (Opts.CUDAIsDevice) 210 Res.push_back("-fcuda-is-device"); 211 if (!Opts.CXAAtExit) 212 Res.push_back("-fno-use-cxa-atexit"); 213 if (Opts.CXXCtorDtorAliases) 214 Res.push_back("-mconstructor-aliases"); 215 if (Opts.ObjCAutoRefCountExceptions) 216 Res.push_back("-fobjc-arc-eh"); 217 if (!Opts.DebugPass.empty()) { 218 Res.push_back("-mdebug-pass"); 219 Res.push_back(Opts.DebugPass); 220 } 221 if (Opts.DisableFPElim) 222 Res.push_back("-mdisable-fp-elim"); 223 if (!Opts.FloatABI.empty()) { 224 Res.push_back("-mfloat-abi"); 225 Res.push_back(Opts.FloatABI); 226 } 227 if (!Opts.LimitFloatPrecision.empty()) { 228 Res.push_back("-mlimit-float-precision"); 229 Res.push_back(Opts.LimitFloatPrecision); 230 } 231 if (Opts.NoZeroInitializedInBSS) 232 Res.push_back("-mno-zero-initialized-bss"); 233 switch (Opts.getObjCDispatchMethod()) { 234 case CodeGenOptions::Legacy: 235 break; 236 case CodeGenOptions::Mixed: 237 Res.push_back("-fobjc-dispatch-method=mixed"); 238 break; 239 case CodeGenOptions::NonLegacy: 240 Res.push_back("-fobjc-dispatch-method=non-legacy"); 241 break; 242 } 243 if (Opts.NumRegisterParameters) { 244 Res.push_back("-mregparm"); 245 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 246 } 247 if (Opts.NoGlobalMerge) 248 Res.push_back("-mno-global-merge"); 249 if (Opts.NoExecStack) 250 Res.push_back("-mnoexecstack"); 251 if (Opts.RelaxAll) 252 Res.push_back("-mrelax-all"); 253 if (Opts.SaveTempLabels) 254 Res.push_back("-msave-temp-labels"); 255 if (Opts.NoDwarf2CFIAsm) 256 Res.push_back("-fno-dwarf2-cfi-asm"); 257 if (Opts.NoDwarfDirectoryAsm) 258 Res.push_back("-fno-dwarf-directory-asm"); 259 if (Opts.SoftFloat) 260 Res.push_back("-msoft-float"); 261 if (Opts.UnwindTables) 262 Res.push_back("-munwind-tables"); 263 if (Opts.RelocationModel != "pic") { 264 Res.push_back("-mrelocation-model"); 265 Res.push_back(Opts.RelocationModel); 266 } 267 if (!Opts.VerifyModule) 268 Res.push_back("-disable-llvm-verifier"); 269 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 270 Res.push_back("-backend-option"); 271 Res.push_back(Opts.BackendOptions[i]); 272 } 273 } 274 275 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 276 std::vector<std::string> &Res) { 277 if (Opts.IncludeSystemHeaders) 278 Res.push_back("-sys-header-deps"); 279 if (Opts.ShowHeaderIncludes) 280 Res.push_back("-H"); 281 if (!Opts.HeaderIncludeOutputFile.empty()) { 282 Res.push_back("-header-include-file"); 283 Res.push_back(Opts.HeaderIncludeOutputFile); 284 } 285 if (Opts.UsePhonyTargets) 286 Res.push_back("-MP"); 287 if (!Opts.OutputFile.empty()) { 288 Res.push_back("-dependency-file"); 289 Res.push_back(Opts.OutputFile); 290 } 291 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 292 Res.push_back("-MT"); 293 Res.push_back(Opts.Targets[i]); 294 } 295 } 296 297 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 298 std::vector<std::string> &Res) { 299 if (Opts.IgnoreWarnings) 300 Res.push_back("-w"); 301 if (Opts.NoRewriteMacros) 302 Res.push_back("-Wno-rewrite-macros"); 303 if (Opts.Pedantic) 304 Res.push_back("-pedantic"); 305 if (Opts.PedanticErrors) 306 Res.push_back("-pedantic-errors"); 307 if (!Opts.ShowColumn) 308 Res.push_back("-fno-show-column"); 309 if (!Opts.ShowLocation) 310 Res.push_back("-fno-show-source-location"); 311 if (!Opts.ShowCarets) 312 Res.push_back("-fno-caret-diagnostics"); 313 if (!Opts.ShowFixits) 314 Res.push_back("-fno-diagnostics-fixit-info"); 315 if (Opts.ShowSourceRanges) 316 Res.push_back("-fdiagnostics-print-source-range-info"); 317 if (Opts.ShowParseableFixits) 318 Res.push_back("-fdiagnostics-parseable-fixits"); 319 if (Opts.ShowColors) 320 Res.push_back("-fcolor-diagnostics"); 321 if (Opts.VerifyDiagnostics) 322 Res.push_back("-verify"); 323 if (Opts.ShowNames) 324 Res.push_back("-fdiagnostics-show-name"); 325 if (Opts.ShowOptionNames) 326 Res.push_back("-fdiagnostics-show-option"); 327 if (Opts.ShowCategories == 1) 328 Res.push_back("-fdiagnostics-show-category=id"); 329 else if (Opts.ShowCategories == 2) 330 Res.push_back("-fdiagnostics-show-category=name"); 331 switch (Opts.Format) { 332 case DiagnosticOptions::Clang: 333 Res.push_back("-fdiagnostics-format=clang"); break; 334 case DiagnosticOptions::Msvc: 335 Res.push_back("-fdiagnostics-format=msvc"); break; 336 case DiagnosticOptions::Vi: 337 Res.push_back("-fdiagnostics-format=vi"); break; 338 } 339 if (Opts.ErrorLimit) { 340 Res.push_back("-ferror-limit"); 341 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 342 } 343 if (!Opts.DiagnosticLogFile.empty()) { 344 Res.push_back("-diagnostic-log-file"); 345 Res.push_back(Opts.DiagnosticLogFile); 346 } 347 if (Opts.MacroBacktraceLimit 348 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 349 Res.push_back("-fmacro-backtrace-limit"); 350 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 351 } 352 if (Opts.TemplateBacktraceLimit 353 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 354 Res.push_back("-ftemplate-backtrace-limit"); 355 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 356 } 357 if (Opts.ConstexprBacktraceLimit 358 != DiagnosticOptions::DefaultConstexprBacktraceLimit) { 359 Res.push_back("-fconstexpr-backtrace-limit"); 360 Res.push_back(llvm::utostr(Opts.ConstexprBacktraceLimit)); 361 } 362 363 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 364 Res.push_back("-ftabstop"); 365 Res.push_back(llvm::utostr(Opts.TabStop)); 366 } 367 if (Opts.MessageLength) { 368 Res.push_back("-fmessage-length"); 369 Res.push_back(llvm::utostr(Opts.MessageLength)); 370 } 371 if (!Opts.DumpBuildInformation.empty()) { 372 Res.push_back("-dump-build-information"); 373 Res.push_back(Opts.DumpBuildInformation); 374 } 375 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 376 Res.push_back("-W" + Opts.Warnings[i]); 377 } 378 379 static const char *getInputKindName(InputKind Kind) { 380 switch (Kind) { 381 case IK_None: break; 382 case IK_AST: return "ast"; 383 case IK_Asm: return "assembler-with-cpp"; 384 case IK_C: return "c"; 385 case IK_CXX: return "c++"; 386 case IK_LLVM_IR: return "ir"; 387 case IK_ObjC: return "objective-c"; 388 case IK_ObjCXX: return "objective-c++"; 389 case IK_OpenCL: return "cl"; 390 case IK_CUDA: return "cuda"; 391 case IK_PreprocessedC: return "cpp-output"; 392 case IK_PreprocessedCXX: return "c++-cpp-output"; 393 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 394 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 395 } 396 397 llvm_unreachable("Unexpected language kind!"); 398 return 0; 399 } 400 401 static const char *getActionName(frontend::ActionKind Kind) { 402 switch (Kind) { 403 case frontend::PluginAction: 404 llvm_unreachable("Invalid kind!"); 405 406 case frontend::ASTDump: return "-ast-dump"; 407 case frontend::ASTDumpXML: return "-ast-dump-xml"; 408 case frontend::ASTPrint: return "-ast-print"; 409 case frontend::ASTView: return "-ast-view"; 410 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 411 case frontend::DumpTokens: return "-dump-tokens"; 412 case frontend::EmitAssembly: return "-S"; 413 case frontend::EmitBC: return "-emit-llvm-bc"; 414 case frontend::EmitHTML: return "-emit-html"; 415 case frontend::EmitLLVM: return "-emit-llvm"; 416 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 417 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 418 case frontend::EmitObj: return "-emit-obj"; 419 case frontend::FixIt: return "-fixit"; 420 case frontend::GenerateModule: return "-emit-module"; 421 case frontend::GeneratePCH: return "-emit-pch"; 422 case frontend::GeneratePTH: return "-emit-pth"; 423 case frontend::InitOnly: return "-init-only"; 424 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 425 case frontend::PrintDeclContext: return "-print-decl-contexts"; 426 case frontend::PrintPreamble: return "-print-preamble"; 427 case frontend::PrintPreprocessedInput: return "-E"; 428 case frontend::RewriteMacros: return "-rewrite-macros"; 429 case frontend::RewriteObjC: return "-rewrite-objc"; 430 case frontend::RewriteTest: return "-rewrite-test"; 431 case frontend::RunAnalysis: return "-analyze"; 432 case frontend::RunPreprocessorOnly: return "-Eonly"; 433 } 434 435 llvm_unreachable("Unexpected language kind!"); 436 return 0; 437 } 438 439 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 440 std::vector<std::string> &Res) { 441 if (!Opts.WorkingDir.empty()) { 442 Res.push_back("-working-directory"); 443 Res.push_back(Opts.WorkingDir); 444 } 445 } 446 447 static void FrontendOptsToArgs(const FrontendOptions &Opts, 448 std::vector<std::string> &Res) { 449 if (Opts.DisableFree) 450 Res.push_back("-disable-free"); 451 if (Opts.RelocatablePCH) 452 Res.push_back("-relocatable-pch"); 453 if (Opts.ShowHelp) 454 Res.push_back("-help"); 455 if (Opts.ShowMacrosInCodeCompletion) 456 Res.push_back("-code-completion-macros"); 457 if (Opts.ShowCodePatternsInCodeCompletion) 458 Res.push_back("-code-completion-patterns"); 459 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 460 Res.push_back("-no-code-completion-globals"); 461 if (Opts.ShowStats) 462 Res.push_back("-print-stats"); 463 if (Opts.ShowTimers) 464 Res.push_back("-ftime-report"); 465 if (Opts.ShowVersion) 466 Res.push_back("-version"); 467 if (Opts.FixWhatYouCan) 468 Res.push_back("-fix-what-you-can"); 469 switch (Opts.ARCMTAction) { 470 case FrontendOptions::ARCMT_None: 471 break; 472 case FrontendOptions::ARCMT_Check: 473 Res.push_back("-arcmt-check"); 474 break; 475 case FrontendOptions::ARCMT_Modify: 476 Res.push_back("-arcmt-modify"); 477 break; 478 case FrontendOptions::ARCMT_Migrate: 479 Res.push_back("-arcmt-migrate"); 480 break; 481 } 482 if (!Opts.ARCMTMigrateDir.empty()) { 483 Res.push_back("-arcmt-migrate-directory"); 484 Res.push_back(Opts.ARCMTMigrateDir); 485 } 486 if (!Opts.ARCMTMigrateReportOut.empty()) { 487 Res.push_back("-arcmt-migrate-report-output"); 488 Res.push_back(Opts.ARCMTMigrateReportOut); 489 } 490 if (Opts.ARCMTMigrateEmitARCErrors) 491 Res.push_back("-arcmt-migrate-emit-errors"); 492 493 bool NeedLang = false; 494 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 495 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 496 Opts.Inputs[i].first) 497 NeedLang = true; 498 if (NeedLang) { 499 Res.push_back("-x"); 500 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 501 } 502 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 503 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 504 "Unable to represent this input vector!"); 505 Res.push_back(Opts.Inputs[i].second); 506 } 507 508 if (!Opts.OutputFile.empty()) { 509 Res.push_back("-o"); 510 Res.push_back(Opts.OutputFile); 511 } 512 if (!Opts.CodeCompletionAt.FileName.empty()) { 513 Res.push_back("-code-completion-at"); 514 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 515 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 516 llvm::utostr(Opts.CodeCompletionAt.Column)); 517 } 518 if (Opts.ProgramAction != frontend::PluginAction) 519 Res.push_back(getActionName(Opts.ProgramAction)); 520 if (!Opts.ActionName.empty()) { 521 Res.push_back("-plugin"); 522 Res.push_back(Opts.ActionName); 523 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 524 Res.push_back("-plugin-arg-" + Opts.ActionName); 525 Res.push_back(Opts.PluginArgs[i]); 526 } 527 } 528 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 529 Res.push_back("-load"); 530 Res.push_back(Opts.Plugins[i]); 531 } 532 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 533 Res.push_back("-add-plugin"); 534 Res.push_back(Opts.AddPluginActions[i]); 535 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 536 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 537 Res.push_back(Opts.AddPluginArgs[i][ai]); 538 } 539 } 540 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 541 Res.push_back("-ast-merge"); 542 Res.push_back(Opts.ASTMergeFiles[i]); 543 } 544 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 545 Res.push_back("-mllvm"); 546 Res.push_back(Opts.LLVMArgs[i]); 547 } 548 } 549 550 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 551 std::vector<std::string> &Res) { 552 if (Opts.Sysroot != "/") { 553 Res.push_back("-isysroot"); 554 Res.push_back(Opts.Sysroot); 555 } 556 557 /// User specified include entries. 558 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 559 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 560 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 561 llvm::report_fatal_error("Invalid option set!"); 562 if (E.IsUserSupplied) { 563 switch (E.Group) { 564 case frontend::After: 565 Res.push_back("-idirafter"); 566 break; 567 568 case frontend::Quoted: 569 Res.push_back("-iquote"); 570 break; 571 572 case frontend::System: 573 Res.push_back("-isystem"); 574 break; 575 576 case frontend::IndexHeaderMap: 577 Res.push_back("-index-header-map"); 578 Res.push_back(E.IsFramework? "-F" : "-I"); 579 break; 580 581 case frontend::CSystem: 582 Res.push_back("-c-isystem"); 583 break; 584 585 case frontend::CXXSystem: 586 Res.push_back("-cxx-isystem"); 587 break; 588 589 case frontend::ObjCSystem: 590 Res.push_back("-objc-isystem"); 591 break; 592 593 case frontend::ObjCXXSystem: 594 Res.push_back("-objcxx-isystem"); 595 break; 596 597 case frontend::Angled: 598 Res.push_back(E.IsFramework ? "-F" : "-I"); 599 break; 600 } 601 } else { 602 if (E.IsInternal) { 603 assert(E.Group == frontend::System && "Unexpected header search group"); 604 if (E.ImplicitExternC) 605 Res.push_back("-internal-externc-isystem"); 606 else 607 Res.push_back("-internal-isystem"); 608 } else { 609 if (E.Group != frontend::Angled && E.Group != frontend::System) 610 llvm::report_fatal_error("Invalid option set!"); 611 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 612 "-iwithprefix"); 613 } 614 } 615 Res.push_back(E.Path); 616 } 617 618 if (!Opts.ResourceDir.empty()) { 619 Res.push_back("-resource-dir"); 620 Res.push_back(Opts.ResourceDir); 621 } 622 if (!Opts.ModuleCachePath.empty()) { 623 Res.push_back("-fmodule-cache-path"); 624 Res.push_back(Opts.ModuleCachePath); 625 } 626 if (!Opts.UseStandardSystemIncludes) 627 Res.push_back("-nostdsysteminc"); 628 if (!Opts.UseStandardCXXIncludes) 629 Res.push_back("-nostdinc++"); 630 if (Opts.UseLibcxx) 631 Res.push_back("-stdlib=libc++"); 632 if (Opts.Verbose) 633 Res.push_back("-v"); 634 } 635 636 static void LangOptsToArgs(const LangOptions &Opts, 637 std::vector<std::string> &Res) { 638 LangOptions DefaultLangOpts; 639 640 // FIXME: Need to set -std to get all the implicit options. 641 642 // FIXME: We want to only pass options relative to the defaults, which 643 // requires constructing a target. :( 644 // 645 // It would be better to push the all target specific choices into the driver, 646 // so that everything below that was more uniform. 647 648 if (Opts.Trigraphs) 649 Res.push_back("-trigraphs"); 650 // Implicit based on the input kind: 651 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 652 // Implicit based on the input language standard: 653 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 654 if (Opts.DollarIdents) 655 Res.push_back("-fdollars-in-identifiers"); 656 if (Opts.GNUMode && !Opts.GNUKeywords) 657 Res.push_back("-fno-gnu-keywords"); 658 if (!Opts.GNUMode && Opts.GNUKeywords) 659 Res.push_back("-fgnu-keywords"); 660 if (Opts.MicrosoftExt) 661 Res.push_back("-fms-extensions"); 662 if (Opts.MicrosoftMode) 663 Res.push_back("-fms-compatibility"); 664 if (Opts.MSCVersion != 0) 665 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 666 if (Opts.Borland) 667 Res.push_back("-fborland-extensions"); 668 if (!Opts.ObjCNonFragileABI) 669 Res.push_back("-fobjc-fragile-abi"); 670 if (Opts.ObjCDefaultSynthProperties) 671 Res.push_back("-fobjc-default-synthesize-properties"); 672 // NoInline is implicit. 673 if (!Opts.CXXOperatorNames) 674 Res.push_back("-fno-operator-names"); 675 if (Opts.PascalStrings) 676 Res.push_back("-fpascal-strings"); 677 if (Opts.CatchUndefined) 678 Res.push_back("-fcatch-undefined-behavior"); 679 if (Opts.AddressSanitizer) 680 Res.push_back("-faddress-sanitizer"); 681 if (Opts.WritableStrings) 682 Res.push_back("-fwritable-strings"); 683 if (Opts.ConstStrings) 684 Res.push_back("-fconst-strings"); 685 if (!Opts.LaxVectorConversions) 686 Res.push_back("-fno-lax-vector-conversions"); 687 if (Opts.AltiVec) 688 Res.push_back("-faltivec"); 689 if (Opts.Exceptions) 690 Res.push_back("-fexceptions"); 691 if (Opts.ObjCExceptions) 692 Res.push_back("-fobjc-exceptions"); 693 if (Opts.CXXExceptions) 694 Res.push_back("-fcxx-exceptions"); 695 if (Opts.SjLjExceptions) 696 Res.push_back("-fsjlj-exceptions"); 697 if (Opts.TraditionalCPP) 698 Res.push_back("-traditional-cpp"); 699 if (!Opts.RTTI) 700 Res.push_back("-fno-rtti"); 701 if (Opts.MSBitfields) 702 Res.push_back("-mms-bitfields"); 703 if (!Opts.NeXTRuntime) 704 Res.push_back("-fgnu-runtime"); 705 if (Opts.Freestanding) 706 Res.push_back("-ffreestanding"); 707 if (Opts.NoBuiltin) 708 Res.push_back("-fno-builtin"); 709 if (!Opts.AssumeSaneOperatorNew) 710 Res.push_back("-fno-assume-sane-operator-new"); 711 if (!Opts.ThreadsafeStatics) 712 Res.push_back("-fno-threadsafe-statics"); 713 if (Opts.POSIXThreads) 714 Res.push_back("-pthread"); 715 if (Opts.Blocks) 716 Res.push_back("-fblocks"); 717 if (Opts.BlocksRuntimeOptional) 718 Res.push_back("-fblocks-runtime-optional"); 719 if (Opts.Modules) 720 Res.push_back("-fmodules"); 721 if (Opts.EmitAllDecls) 722 Res.push_back("-femit-all-decls"); 723 if (Opts.MathErrno) 724 Res.push_back("-fmath-errno"); 725 switch (Opts.getSignedOverflowBehavior()) { 726 case LangOptions::SOB_Undefined: break; 727 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 728 case LangOptions::SOB_Trapping: 729 Res.push_back("-ftrapv"); 730 if (!Opts.OverflowHandler.empty()) { 731 Res.push_back("-ftrapv-handler"); 732 Res.push_back(Opts.OverflowHandler); 733 } 734 break; 735 } 736 if (Opts.HeinousExtensions) 737 Res.push_back("-fheinous-gnu-extensions"); 738 // Optimize is implicit. 739 // OptimizeSize is implicit. 740 if (Opts.FastMath) 741 Res.push_back("-ffast-math"); 742 if (Opts.Static) 743 Res.push_back("-static-define"); 744 if (Opts.DumpRecordLayouts) 745 Res.push_back("-fdump-record-layouts"); 746 if (Opts.DumpVTableLayouts) 747 Res.push_back("-fdump-vtable-layouts"); 748 if (Opts.NoBitFieldTypeAlign) 749 Res.push_back("-fno-bitfield-type-alignment"); 750 if (Opts.PICLevel) { 751 Res.push_back("-pic-level"); 752 Res.push_back(llvm::utostr(Opts.PICLevel)); 753 } 754 if (Opts.ObjCGCBitmapPrint) 755 Res.push_back("-print-ivar-layout"); 756 if (Opts.NoConstantCFStrings) 757 Res.push_back("-fno-constant-cfstrings"); 758 if (!Opts.AccessControl) 759 Res.push_back("-fno-access-control"); 760 if (!Opts.CharIsSigned) 761 Res.push_back("-fno-signed-char"); 762 if (Opts.ShortWChar) 763 Res.push_back("-fshort-wchar"); 764 if (!Opts.ElideConstructors) 765 Res.push_back("-fno-elide-constructors"); 766 if (Opts.getGC() != LangOptions::NonGC) { 767 if (Opts.getGC() == LangOptions::HybridGC) { 768 Res.push_back("-fobjc-gc"); 769 } else { 770 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 771 Res.push_back("-fobjc-gc-only"); 772 } 773 } 774 if (Opts.ObjCAutoRefCount) 775 Res.push_back("-fobjc-arc"); 776 if (Opts.ObjCRuntimeHasWeak) 777 Res.push_back("-fobjc-runtime-has-weak"); 778 if (!Opts.ObjCInferRelatedResultType) 779 Res.push_back("-fno-objc-infer-related-result-type"); 780 781 if (Opts.AppleKext) 782 Res.push_back("-fapple-kext"); 783 784 if (Opts.getVisibilityMode() != DefaultVisibility) { 785 Res.push_back("-fvisibility"); 786 if (Opts.getVisibilityMode() == HiddenVisibility) { 787 Res.push_back("hidden"); 788 } else { 789 assert(Opts.getVisibilityMode() == ProtectedVisibility && 790 "Invalid visibility!"); 791 Res.push_back("protected"); 792 } 793 } 794 if (Opts.InlineVisibilityHidden) 795 Res.push_back("-fvisibility-inlines-hidden"); 796 797 if (Opts.getStackProtector() != 0) { 798 Res.push_back("-stack-protector"); 799 Res.push_back(llvm::utostr(Opts.getStackProtector())); 800 } 801 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 802 Res.push_back("-ftemplate-depth"); 803 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 804 } 805 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) { 806 Res.push_back("-fconstexpr-depth"); 807 Res.push_back(llvm::utostr(Opts.ConstexprCallDepth)); 808 } 809 if (!Opts.ObjCConstantStringClass.empty()) { 810 Res.push_back("-fconstant-string-class"); 811 Res.push_back(Opts.ObjCConstantStringClass); 812 } 813 if (Opts.FakeAddressSpaceMap) 814 Res.push_back("-ffake-address-space-map"); 815 if (Opts.ParseUnknownAnytype) 816 Res.push_back("-funknown-anytype"); 817 if (Opts.DebuggerSupport) 818 Res.push_back("-fdebugger-support"); 819 if (Opts.DelayedTemplateParsing) 820 Res.push_back("-fdelayed-template-parsing"); 821 if (Opts.Deprecated) 822 Res.push_back("-fdeprecated-macro"); 823 if (Opts.ApplePragmaPack) 824 Res.push_back("-fapple-pragma-pack"); 825 if (!Opts.CurrentModule.empty()) 826 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 827 } 828 829 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 830 std::vector<std::string> &Res) { 831 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 832 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 833 Opts.Macros[i].first); 834 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 835 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 836 Res.push_back("-include"); 837 Res.push_back(Opts.Includes[i]); 838 } 839 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 840 Res.push_back("-imacros"); 841 Res.push_back(Opts.MacroIncludes[i]); 842 } 843 if (!Opts.UsePredefines) 844 Res.push_back("-undef"); 845 if (Opts.DetailedRecord) 846 Res.push_back("-detailed-preprocessing-record"); 847 if (!Opts.ImplicitPCHInclude.empty()) { 848 Res.push_back("-include-pch"); 849 Res.push_back(Opts.ImplicitPCHInclude); 850 } 851 if (!Opts.ImplicitPTHInclude.empty()) { 852 Res.push_back("-include-pth"); 853 Res.push_back(Opts.ImplicitPTHInclude); 854 } 855 if (!Opts.TokenCache.empty()) { 856 if (Opts.ImplicitPTHInclude.empty()) { 857 Res.push_back("-token-cache"); 858 Res.push_back(Opts.TokenCache); 859 } else 860 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 861 "Unsupported option combination!"); 862 } 863 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 864 Res.push_back("-chain-include"); 865 Res.push_back(Opts.ChainedIncludes[i]); 866 } 867 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 868 Res.push_back("-remap-file"); 869 Res.push_back(Opts.RemappedFiles[i].first + ";" + 870 Opts.RemappedFiles[i].second); 871 } 872 } 873 874 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 875 std::vector<std::string> &Res) { 876 if (!Opts.ShowCPP && !Opts.ShowMacros) 877 llvm::report_fatal_error("Invalid option combination!"); 878 879 if (Opts.ShowCPP && Opts.ShowMacros) 880 Res.push_back("-dD"); 881 else if (!Opts.ShowCPP && Opts.ShowMacros) 882 Res.push_back("-dM"); 883 884 if (!Opts.ShowLineMarkers) 885 Res.push_back("-P"); 886 if (Opts.ShowComments) 887 Res.push_back("-C"); 888 if (Opts.ShowMacroComments) 889 Res.push_back("-CC"); 890 } 891 892 static void TargetOptsToArgs(const TargetOptions &Opts, 893 std::vector<std::string> &Res) { 894 Res.push_back("-triple"); 895 Res.push_back(Opts.Triple); 896 if (!Opts.CPU.empty()) { 897 Res.push_back("-target-cpu"); 898 Res.push_back(Opts.CPU); 899 } 900 if (!Opts.ABI.empty()) { 901 Res.push_back("-target-abi"); 902 Res.push_back(Opts.ABI); 903 } 904 if (!Opts.LinkerVersion.empty()) { 905 Res.push_back("-target-linker-version"); 906 Res.push_back(Opts.LinkerVersion); 907 } 908 if (!Opts.CXXABI.empty()) { 909 Res.push_back("-cxx-abi"); 910 Res.push_back(Opts.CXXABI); 911 } 912 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 913 Res.push_back("-target-feature"); 914 Res.push_back(Opts.Features[i]); 915 } 916 } 917 918 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 919 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 920 CodeGenOptsToArgs(getCodeGenOpts(), Res); 921 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 922 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 923 FileSystemOptsToArgs(getFileSystemOpts(), Res); 924 FrontendOptsToArgs(getFrontendOpts(), Res); 925 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 926 LangOptsToArgs(*getLangOpts(), Res); 927 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 928 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 929 TargetOptsToArgs(getTargetOpts(), Res); 930 } 931 932 //===----------------------------------------------------------------------===// 933 // Deserialization (to args) 934 //===----------------------------------------------------------------------===// 935 936 using namespace clang::driver; 937 using namespace clang::driver::cc1options; 938 939 // 940 941 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 942 DiagnosticsEngine &Diags) { 943 unsigned DefaultOpt = 0; 944 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 945 DefaultOpt = 2; 946 // -Os/-Oz implies -O2 947 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 948 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 949 } 950 951 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 952 DiagnosticsEngine &Diags) { 953 using namespace cc1options; 954 bool Success = true; 955 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 956 StringRef Name = A->getValue(Args); 957 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 958 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 959 .Case(CMDFLAG, NAME##Model) 960 #include "clang/Frontend/Analyses.def" 961 .Default(NumStores); 962 if (Value == NumStores) { 963 Diags.Report(diag::err_drv_invalid_value) 964 << A->getAsString(Args) << Name; 965 Success = false; 966 } else { 967 Opts.AnalysisStoreOpt = Value; 968 } 969 } 970 971 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 972 StringRef Name = A->getValue(Args); 973 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 974 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 975 .Case(CMDFLAG, NAME##Model) 976 #include "clang/Frontend/Analyses.def" 977 .Default(NumConstraints); 978 if (Value == NumConstraints) { 979 Diags.Report(diag::err_drv_invalid_value) 980 << A->getAsString(Args) << Name; 981 Success = false; 982 } else { 983 Opts.AnalysisConstraintsOpt = Value; 984 } 985 } 986 987 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 988 StringRef Name = A->getValue(Args); 989 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 990 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 991 .Case(CMDFLAG, PD_##NAME) 992 #include "clang/Frontend/Analyses.def" 993 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 994 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 995 Diags.Report(diag::err_drv_invalid_value) 996 << A->getAsString(Args) << Name; 997 Success = false; 998 } else { 999 Opts.AnalysisDiagOpt = Value; 1000 } 1001 } 1002 1003 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1004 StringRef Name = A->getValue(Args); 1005 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1006 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1007 .Case(CMDFLAG, NAME) 1008 #include "clang/Frontend/Analyses.def" 1009 .Default(NumPurgeModes); 1010 if (Value == NumPurgeModes) { 1011 Diags.Report(diag::err_drv_invalid_value) 1012 << A->getAsString(Args) << Name; 1013 Success = false; 1014 } else { 1015 Opts.AnalysisPurgeOpt = Value; 1016 } 1017 } 1018 1019 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1020 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1021 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1022 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1023 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1024 Opts.AnalyzeNestedBlocks = 1025 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1026 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1027 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1028 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1029 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1030 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1031 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1032 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1033 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1034 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1035 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 1036 1037 Opts.CheckersControlList.clear(); 1038 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1039 OPT_analyzer_disable_checker), 1040 ie = Args.filtered_end(); it != ie; ++it) { 1041 const Arg *A = *it; 1042 A->claim(); 1043 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1044 // We can have a list of comma separated checker names, e.g: 1045 // '-analyzer-checker=cocoa,unix' 1046 StringRef checkerList = A->getValue(Args); 1047 SmallVector<StringRef, 4> checkers; 1048 checkerList.split(checkers, ","); 1049 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1050 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1051 } 1052 1053 return Success; 1054 } 1055 1056 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1057 DiagnosticsEngine &Diags) { 1058 using namespace cc1options; 1059 bool Success = true; 1060 1061 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1062 if (Opts.OptimizationLevel > 3) { 1063 Diags.Report(diag::err_drv_invalid_value) 1064 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1065 Opts.OptimizationLevel = 3; 1066 Success = false; 1067 } 1068 1069 // We must always run at least the always inlining pass. 1070 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1071 : CodeGenOptions::OnlyAlwaysInlining; 1072 1073 Opts.DebugInfo = Args.hasArg(OPT_g); 1074 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1075 || Args.hasArg(OPT_flimit_debug_info); 1076 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1077 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1078 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1079 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1080 OPT_fuse_register_sized_bitfield_access); 1081 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1082 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1083 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1084 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1085 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1086 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1087 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1088 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1089 Args.hasArg(OPT_ffreestanding)); 1090 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1091 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1092 1093 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1094 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1095 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1096 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1097 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1098 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1099 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1100 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1101 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1102 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1103 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1104 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1105 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1106 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1107 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1108 Args.hasArg(OPT_cl_finite_math_only)|| 1109 Args.hasArg(OPT_cl_fast_relaxed_math)); 1110 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1111 Args.hasArg(OPT_cl_finite_math_only)|| 1112 Args.hasArg(OPT_cl_fast_relaxed_math)); 1113 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1114 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1115 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1116 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1117 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1118 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1119 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1120 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1121 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1122 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1123 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1124 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1125 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1126 Args.hasArg(OPT_cl_fast_relaxed_math); 1127 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1128 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1129 1130 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1131 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1132 1133 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1134 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1135 1136 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1137 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1138 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1139 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1140 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1141 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1142 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1143 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1144 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1145 StringRef Val = A->getValue(Args); 1146 Val.getAsInteger(10, Opts.StackAlignment); 1147 } 1148 1149 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1150 StringRef Name = A->getValue(Args); 1151 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1152 .Case("legacy", CodeGenOptions::Legacy) 1153 .Case("non-legacy", CodeGenOptions::NonLegacy) 1154 .Case("mixed", CodeGenOptions::Mixed) 1155 .Default(~0U); 1156 if (Method == ~0U) { 1157 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1158 Success = false; 1159 } else { 1160 Opts.ObjCDispatchMethod = Method; 1161 } 1162 } 1163 1164 return Success; 1165 } 1166 1167 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1168 ArgList &Args) { 1169 using namespace cc1options; 1170 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1171 Opts.Targets = Args.getAllArgValues(OPT_MT); 1172 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1173 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1174 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1175 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1176 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1177 } 1178 1179 static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1180 DiagnosticsEngine &Diags) { 1181 using namespace cc1options; 1182 bool Success = true; 1183 1184 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1185 Opts.DiagnosticSerializationFile = 1186 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1187 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1188 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1189 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1190 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1191 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1192 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1193 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1194 OPT_fno_show_column, 1195 /*Default=*/true); 1196 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1197 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1198 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1199 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1200 1201 // Default behavior is to not to show note include stacks. 1202 Opts.ShowNoteIncludeStack = false; 1203 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1204 OPT_fno_diagnostics_show_note_include_stack)) 1205 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1206 Opts.ShowNoteIncludeStack = true; 1207 1208 StringRef ShowOverloads = 1209 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1210 if (ShowOverloads == "best") 1211 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1212 else if (ShowOverloads == "all") 1213 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1214 else { 1215 Diags.Report(diag::err_drv_invalid_value) 1216 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1217 << ShowOverloads; 1218 Success = false; 1219 } 1220 1221 StringRef ShowCategory = 1222 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1223 if (ShowCategory == "none") 1224 Opts.ShowCategories = 0; 1225 else if (ShowCategory == "id") 1226 Opts.ShowCategories = 1; 1227 else if (ShowCategory == "name") 1228 Opts.ShowCategories = 2; 1229 else { 1230 Diags.Report(diag::err_drv_invalid_value) 1231 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1232 << ShowCategory; 1233 Success = false; 1234 } 1235 1236 StringRef Format = 1237 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1238 if (Format == "clang") 1239 Opts.Format = DiagnosticOptions::Clang; 1240 else if (Format == "msvc") 1241 Opts.Format = DiagnosticOptions::Msvc; 1242 else if (Format == "vi") 1243 Opts.Format = DiagnosticOptions::Vi; 1244 else { 1245 Diags.Report(diag::err_drv_invalid_value) 1246 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1247 << Format; 1248 Success = false; 1249 } 1250 1251 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1252 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1253 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1254 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1255 Opts.MacroBacktraceLimit 1256 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1257 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1258 Opts.TemplateBacktraceLimit 1259 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1260 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1261 Diags); 1262 Opts.ConstexprBacktraceLimit 1263 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1264 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1265 Diags); 1266 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1267 DiagnosticOptions::DefaultTabStop, Diags); 1268 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1269 Diags.Report(diag::warn_ignoring_ftabstop_value) 1270 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1271 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1272 } 1273 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1274 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1275 Opts.Warnings = Args.getAllArgValues(OPT_W); 1276 1277 return Success; 1278 } 1279 1280 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1281 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1282 } 1283 1284 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1285 DiagnosticsEngine &Diags) { 1286 using namespace cc1options; 1287 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1288 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1289 switch (A->getOption().getID()) { 1290 default: 1291 llvm_unreachable("Invalid option in group!"); 1292 case OPT_ast_dump: 1293 Opts.ProgramAction = frontend::ASTDump; break; 1294 case OPT_ast_dump_xml: 1295 Opts.ProgramAction = frontend::ASTDumpXML; break; 1296 case OPT_ast_print: 1297 Opts.ProgramAction = frontend::ASTPrint; break; 1298 case OPT_ast_view: 1299 Opts.ProgramAction = frontend::ASTView; break; 1300 case OPT_dump_raw_tokens: 1301 Opts.ProgramAction = frontend::DumpRawTokens; break; 1302 case OPT_dump_tokens: 1303 Opts.ProgramAction = frontend::DumpTokens; break; 1304 case OPT_S: 1305 Opts.ProgramAction = frontend::EmitAssembly; break; 1306 case OPT_emit_llvm_bc: 1307 Opts.ProgramAction = frontend::EmitBC; break; 1308 case OPT_emit_html: 1309 Opts.ProgramAction = frontend::EmitHTML; break; 1310 case OPT_emit_llvm: 1311 Opts.ProgramAction = frontend::EmitLLVM; break; 1312 case OPT_emit_llvm_only: 1313 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1314 case OPT_emit_codegen_only: 1315 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1316 case OPT_emit_obj: 1317 Opts.ProgramAction = frontend::EmitObj; break; 1318 case OPT_fixit_EQ: 1319 Opts.FixItSuffix = A->getValue(Args); 1320 // fall-through! 1321 case OPT_fixit: 1322 Opts.ProgramAction = frontend::FixIt; break; 1323 case OPT_emit_module: 1324 Opts.ProgramAction = frontend::GenerateModule; break; 1325 case OPT_emit_pch: 1326 Opts.ProgramAction = frontend::GeneratePCH; break; 1327 case OPT_emit_pth: 1328 Opts.ProgramAction = frontend::GeneratePTH; break; 1329 case OPT_init_only: 1330 Opts.ProgramAction = frontend::InitOnly; break; 1331 case OPT_fsyntax_only: 1332 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1333 case OPT_print_decl_contexts: 1334 Opts.ProgramAction = frontend::PrintDeclContext; break; 1335 case OPT_print_preamble: 1336 Opts.ProgramAction = frontend::PrintPreamble; break; 1337 case OPT_E: 1338 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1339 case OPT_rewrite_macros: 1340 Opts.ProgramAction = frontend::RewriteMacros; break; 1341 case OPT_rewrite_objc: 1342 Opts.ProgramAction = frontend::RewriteObjC; break; 1343 case OPT_rewrite_test: 1344 Opts.ProgramAction = frontend::RewriteTest; break; 1345 case OPT_analyze: 1346 Opts.ProgramAction = frontend::RunAnalysis; break; 1347 case OPT_Eonly: 1348 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1349 } 1350 } 1351 1352 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1353 Opts.Plugins.push_back(A->getValue(Args,0)); 1354 Opts.ProgramAction = frontend::PluginAction; 1355 Opts.ActionName = A->getValue(Args); 1356 1357 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1358 end = Args.filtered_end(); it != end; ++it) { 1359 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1360 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1361 } 1362 } 1363 1364 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1365 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1366 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1367 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1368 end = Args.filtered_end(); it != end; ++it) { 1369 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1370 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1371 } 1372 } 1373 1374 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1375 Opts.CodeCompletionAt = 1376 ParsedSourceLocation::FromString(A->getValue(Args)); 1377 if (Opts.CodeCompletionAt.FileName.empty()) 1378 Diags.Report(diag::err_drv_invalid_value) 1379 << A->getAsString(Args) << A->getValue(Args); 1380 } 1381 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1382 1383 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1384 Opts.Plugins = Args.getAllArgValues(OPT_load); 1385 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1386 Opts.ShowHelp = Args.hasArg(OPT_help); 1387 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1388 Opts.ShowCodePatternsInCodeCompletion 1389 = Args.hasArg(OPT_code_completion_patterns); 1390 Opts.ShowGlobalSymbolsInCodeCompletion 1391 = !Args.hasArg(OPT_no_code_completion_globals); 1392 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1393 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1394 Opts.ShowVersion = Args.hasArg(OPT_version); 1395 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1396 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1397 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1398 1399 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1400 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1401 OPT_arcmt_modify, 1402 OPT_arcmt_migrate)) { 1403 switch (A->getOption().getID()) { 1404 default: 1405 llvm_unreachable("missed a case"); 1406 case OPT_arcmt_check: 1407 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1408 break; 1409 case OPT_arcmt_modify: 1410 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1411 break; 1412 case OPT_arcmt_migrate: 1413 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1414 break; 1415 } 1416 } 1417 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1418 Opts.ARCMTMigrateReportOut 1419 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1420 Opts.ARCMTMigrateEmitARCErrors 1421 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1422 1423 InputKind DashX = IK_None; 1424 if (const Arg *A = Args.getLastArg(OPT_x)) { 1425 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1426 .Case("c", IK_C) 1427 .Case("cl", IK_OpenCL) 1428 .Case("cuda", IK_CUDA) 1429 .Case("c++", IK_CXX) 1430 .Case("objective-c", IK_ObjC) 1431 .Case("objective-c++", IK_ObjCXX) 1432 .Case("cpp-output", IK_PreprocessedC) 1433 .Case("assembler-with-cpp", IK_Asm) 1434 .Case("c++-cpp-output", IK_PreprocessedCXX) 1435 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1436 .Case("objc-cpp-output", IK_PreprocessedObjC) 1437 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1438 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1439 .Case("c-header", IK_C) 1440 .Case("cl-header", IK_OpenCL) 1441 .Case("objective-c-header", IK_ObjC) 1442 .Case("c++-header", IK_CXX) 1443 .Case("objective-c++-header", IK_ObjCXX) 1444 .Case("ast", IK_AST) 1445 .Case("ir", IK_LLVM_IR) 1446 .Default(IK_None); 1447 if (DashX == IK_None) 1448 Diags.Report(diag::err_drv_invalid_value) 1449 << A->getAsString(Args) << A->getValue(Args); 1450 } 1451 1452 // '-' is the default input if none is given. 1453 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1454 Opts.Inputs.clear(); 1455 if (Inputs.empty()) 1456 Inputs.push_back("-"); 1457 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1458 InputKind IK = DashX; 1459 if (IK == IK_None) { 1460 IK = FrontendOptions::getInputKindForExtension( 1461 StringRef(Inputs[i]).rsplit('.').second); 1462 // FIXME: Remove this hack. 1463 if (i == 0) 1464 DashX = IK; 1465 } 1466 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1467 } 1468 1469 return DashX; 1470 } 1471 1472 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1473 void *MainAddr) { 1474 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1475 1476 if (!P.isEmpty()) { 1477 P.eraseComponent(); // Remove /clang from foo/bin/clang 1478 P.eraseComponent(); // Remove /bin from foo/bin 1479 1480 // Get foo/lib/clang/<version>/include 1481 P.appendComponent("lib"); 1482 P.appendComponent("clang"); 1483 P.appendComponent(CLANG_VERSION_STRING); 1484 } 1485 1486 return P.str(); 1487 } 1488 1489 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1490 using namespace cc1options; 1491 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1492 Opts.Verbose = Args.hasArg(OPT_v); 1493 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1494 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1495 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1496 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1497 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1498 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1499 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1500 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1501 1502 // Add -I..., -F..., and -index-header-map options in order. 1503 bool IsIndexHeaderMap = false; 1504 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1505 OPT_index_header_map), 1506 ie = Args.filtered_end(); it != ie; ++it) { 1507 if ((*it)->getOption().matches(OPT_index_header_map)) { 1508 // -index-header-map applies to the next -I or -F. 1509 IsIndexHeaderMap = true; 1510 continue; 1511 } 1512 1513 frontend::IncludeDirGroup Group 1514 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1515 1516 Opts.AddPath((*it)->getValue(Args), Group, true, 1517 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1518 IsIndexHeaderMap = false; 1519 } 1520 1521 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1522 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1523 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1524 OPT_iwithprefixbefore), 1525 ie = Args.filtered_end(); it != ie; ++it) { 1526 const Arg *A = *it; 1527 if (A->getOption().matches(OPT_iprefix)) 1528 Prefix = A->getValue(Args); 1529 else if (A->getOption().matches(OPT_iwithprefix)) 1530 Opts.AddPath(Prefix.str() + A->getValue(Args), 1531 frontend::System, false, false, false); 1532 else 1533 Opts.AddPath(Prefix.str() + A->getValue(Args), 1534 frontend::Angled, false, false, false); 1535 } 1536 1537 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1538 ie = Args.filtered_end(); it != ie; ++it) 1539 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1540 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1541 ie = Args.filtered_end(); it != ie; ++it) 1542 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1543 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1544 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1545 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1546 !(*it)->getOption().matches(OPT_iwithsysroot)); 1547 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1548 ie = Args.filtered_end(); it != ie; ++it) 1549 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1550 true); 1551 1552 // Add the paths for the various language specific isystem flags. 1553 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1554 ie = Args.filtered_end(); it != ie; ++it) 1555 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1556 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1557 ie = Args.filtered_end(); it != ie; ++it) 1558 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1559 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1560 ie = Args.filtered_end(); it != ie; ++it) 1561 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1562 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1563 ie = Args.filtered_end(); it != ie; ++it) 1564 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1565 true); 1566 1567 // Add the internal paths from a driver that detects standard include paths. 1568 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1569 OPT_internal_externc_isystem), 1570 E = Args.filtered_end(); 1571 I != E; ++I) 1572 Opts.AddPath((*I)->getValue(Args), frontend::System, 1573 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1574 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1575 } 1576 1577 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1578 LangStandard::Kind LangStd) { 1579 // Set some properties which depend solely on the input kind; it would be nice 1580 // to move these to the language standard, and have the driver resolve the 1581 // input kind + language standard. 1582 if (IK == IK_Asm) { 1583 Opts.AsmPreprocessor = 1; 1584 } else if (IK == IK_ObjC || 1585 IK == IK_ObjCXX || 1586 IK == IK_PreprocessedObjC || 1587 IK == IK_PreprocessedObjCXX) { 1588 Opts.ObjC1 = Opts.ObjC2 = 1; 1589 } 1590 1591 if (LangStd == LangStandard::lang_unspecified) { 1592 // Based on the base language, pick one. 1593 switch (IK) { 1594 case IK_None: 1595 case IK_AST: 1596 case IK_LLVM_IR: 1597 llvm_unreachable("Invalid input kind!"); 1598 case IK_OpenCL: 1599 LangStd = LangStandard::lang_opencl; 1600 break; 1601 case IK_CUDA: 1602 LangStd = LangStandard::lang_cuda; 1603 break; 1604 case IK_Asm: 1605 case IK_C: 1606 case IK_PreprocessedC: 1607 case IK_ObjC: 1608 case IK_PreprocessedObjC: 1609 LangStd = LangStandard::lang_gnu99; 1610 break; 1611 case IK_CXX: 1612 case IK_PreprocessedCXX: 1613 case IK_ObjCXX: 1614 case IK_PreprocessedObjCXX: 1615 LangStd = LangStandard::lang_gnucxx98; 1616 break; 1617 } 1618 } 1619 1620 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1621 Opts.BCPLComment = Std.hasBCPLComments(); 1622 Opts.C99 = Std.isC99(); 1623 Opts.C11 = Std.isC11(); 1624 Opts.CPlusPlus = Std.isCPlusPlus(); 1625 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1626 Opts.Digraphs = Std.hasDigraphs(); 1627 Opts.GNUMode = Std.isGNUMode(); 1628 Opts.GNUInline = !Std.isC99(); 1629 Opts.HexFloats = Std.hasHexFloats(); 1630 Opts.ImplicitInt = Std.hasImplicitInt(); 1631 1632 // OpenCL has some additional defaults. 1633 if (LangStd == LangStandard::lang_opencl) { 1634 Opts.OpenCL = 1; 1635 Opts.AltiVec = 0; 1636 Opts.CXXOperatorNames = 1; 1637 Opts.LaxVectorConversions = 0; 1638 Opts.DefaultFPContract = 1; 1639 } 1640 1641 if (LangStd == LangStandard::lang_cuda) 1642 Opts.CUDA = 1; 1643 1644 // OpenCL and C++ both have bool, true, false keywords. 1645 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1646 1647 Opts.GNUKeywords = Opts.GNUMode; 1648 Opts.CXXOperatorNames = Opts.CPlusPlus; 1649 1650 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1651 // is specified, or -std is set to a conforming mode. 1652 Opts.Trigraphs = !Opts.GNUMode; 1653 1654 Opts.DollarIdents = !Opts.AsmPreprocessor; 1655 } 1656 1657 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1658 DiagnosticsEngine &Diags) { 1659 // FIXME: Cleanup per-file based stuff. 1660 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1661 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1662 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1663 #define LANGSTANDARD(id, name, desc, features) \ 1664 .Case(name, LangStandard::lang_##id) 1665 #include "clang/Frontend/LangStandards.def" 1666 .Default(LangStandard::lang_unspecified); 1667 if (LangStd == LangStandard::lang_unspecified) 1668 Diags.Report(diag::err_drv_invalid_value) 1669 << A->getAsString(Args) << A->getValue(Args); 1670 else { 1671 // Valid standard, check to make sure language and standard are compatable. 1672 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1673 switch (IK) { 1674 case IK_C: 1675 case IK_ObjC: 1676 case IK_PreprocessedC: 1677 case IK_PreprocessedObjC: 1678 if (!(Std.isC89() || Std.isC99())) 1679 Diags.Report(diag::err_drv_argument_not_allowed_with) 1680 << A->getAsString(Args) << "C/ObjC"; 1681 break; 1682 case IK_CXX: 1683 case IK_ObjCXX: 1684 case IK_PreprocessedCXX: 1685 case IK_PreprocessedObjCXX: 1686 if (!Std.isCPlusPlus()) 1687 Diags.Report(diag::err_drv_argument_not_allowed_with) 1688 << A->getAsString(Args) << "C++/ObjC++"; 1689 break; 1690 case IK_OpenCL: 1691 if (!Std.isC99()) 1692 Diags.Report(diag::err_drv_argument_not_allowed_with) 1693 << A->getAsString(Args) << "OpenCL"; 1694 break; 1695 case IK_CUDA: 1696 if (!Std.isCPlusPlus()) 1697 Diags.Report(diag::err_drv_argument_not_allowed_with) 1698 << A->getAsString(Args) << "CUDA"; 1699 break; 1700 default: 1701 break; 1702 } 1703 } 1704 } 1705 1706 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1707 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1708 Diags.Report(diag::err_drv_invalid_value) 1709 << A->getAsString(Args) << A->getValue(Args); 1710 } 1711 } 1712 1713 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1714 1715 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1716 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1717 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1718 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1719 // name, as it doesn't seem a useful distinction. 1720 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1721 Opts.GNUKeywords); 1722 1723 if (Args.hasArg(OPT_fno_operator_names)) 1724 Opts.CXXOperatorNames = 0; 1725 1726 if (Opts.ObjC1) { 1727 if (Args.hasArg(OPT_fobjc_gc_only)) 1728 Opts.setGC(LangOptions::GCOnly); 1729 else if (Args.hasArg(OPT_fobjc_gc)) 1730 Opts.setGC(LangOptions::HybridGC); 1731 else if (Args.hasArg(OPT_fobjc_arc)) { 1732 Opts.ObjCAutoRefCount = 1; 1733 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1734 Diags.Report(diag::err_arc_nonfragile_abi); 1735 } 1736 1737 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1738 Opts.ObjCRuntimeHasWeak = 1; 1739 1740 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1741 Opts.ObjCInferRelatedResultType = 0; 1742 } 1743 1744 if (Args.hasArg(OPT_fgnu89_inline)) 1745 Opts.GNUInline = 1; 1746 1747 if (Args.hasArg(OPT_fapple_kext)) { 1748 if (!Opts.CPlusPlus) 1749 Diags.Report(diag::warn_c_kext); 1750 else 1751 Opts.AppleKext = 1; 1752 } 1753 1754 if (Args.hasArg(OPT_print_ivar_layout)) 1755 Opts.ObjCGCBitmapPrint = 1; 1756 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1757 Opts.NoConstantCFStrings = 1; 1758 1759 if (Args.hasArg(OPT_faltivec)) 1760 Opts.AltiVec = 1; 1761 1762 if (Args.hasArg(OPT_pthread)) 1763 Opts.POSIXThreads = 1; 1764 1765 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1766 Opts.DelayedTemplateParsing = 1; 1767 1768 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1769 if (Vis == "default") 1770 Opts.setVisibilityMode(DefaultVisibility); 1771 else if (Vis == "hidden") 1772 Opts.setVisibilityMode(HiddenVisibility); 1773 else if (Vis == "protected") 1774 Opts.setVisibilityMode(ProtectedVisibility); 1775 else 1776 Diags.Report(diag::err_drv_invalid_value) 1777 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1778 1779 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1780 Opts.InlineVisibilityHidden = 1; 1781 1782 if (Args.hasArg(OPT_ftrapv)) { 1783 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1784 // Set the handler, if one is specified. 1785 Opts.OverflowHandler = 1786 Args.getLastArgValue(OPT_ftrapv_handler); 1787 } 1788 else if (Args.hasArg(OPT_fwrapv)) 1789 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1790 1791 if (Args.hasArg(OPT_trigraphs)) 1792 Opts.Trigraphs = 1; 1793 1794 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1795 OPT_fno_dollars_in_identifiers, 1796 Opts.DollarIdents); 1797 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1798 Opts.MicrosoftExt 1799 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1800 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1801 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1802 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1803 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1804 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1805 Opts.ConstStrings); 1806 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1807 Opts.LaxVectorConversions = 0; 1808 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1809 Opts.ThreadsafeStatics = 0; 1810 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1811 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1812 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1813 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1814 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1815 1816 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1817 Opts.Blocks = Args.hasArg(OPT_fblocks); 1818 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1819 Opts.Modules = Args.hasArg(OPT_fmodules); 1820 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1821 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1822 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1823 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1824 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1825 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1826 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1827 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1828 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1829 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1830 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1831 Diags); 1832 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1833 Diags); 1834 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1835 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1836 0, Diags); 1837 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1838 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1839 Opts.ObjCConstantStringClass = 1840 Args.getLastArgValue(OPT_fconstant_string_class); 1841 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1842 if (Opts.ObjCNonFragileABI) 1843 Opts.ObjCNonFragileABI2 = true; 1844 Opts.ObjCDefaultSynthProperties = 1845 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1846 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1847 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1848 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1849 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1850 Opts.Static = Args.hasArg(OPT_static_define); 1851 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1852 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1853 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1854 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1855 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1856 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1857 Opts.MRTD = Args.hasArg(OPT_mrtd); 1858 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1859 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1860 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1861 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1862 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1863 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1864 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1865 1866 // Record whether the __DEPRECATED define was requested. 1867 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1868 OPT_fno_deprecated_macro, 1869 Opts.Deprecated); 1870 1871 // FIXME: Eliminate this dependency. 1872 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1873 Opts.Optimize = Opt != 0; 1874 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1875 1876 // This is the __NO_INLINE__ define, which just depends on things like the 1877 // optimization level and -fno-inline, not actually whether the backend has 1878 // inlining enabled. 1879 // 1880 // FIXME: This is affected by other options (-fno-inline). 1881 Opts.NoInline = !Opt; 1882 1883 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1884 1885 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1886 switch (SSP) { 1887 default: 1888 Diags.Report(diag::err_drv_invalid_value) 1889 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1890 break; 1891 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1892 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1893 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1894 } 1895 } 1896 1897 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1898 FileManager &FileMgr, 1899 DiagnosticsEngine &Diags) { 1900 using namespace cc1options; 1901 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1902 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1903 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1904 Opts.TokenCache = A->getValue(Args); 1905 else 1906 Opts.TokenCache = Opts.ImplicitPTHInclude; 1907 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1908 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1909 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1910 1911 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1912 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1913 ie = Args.filtered_end(); it != ie; ++it) { 1914 const Arg *A = *it; 1915 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1916 } 1917 1918 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1919 StringRef Value(A->getValue(Args)); 1920 size_t Comma = Value.find(','); 1921 unsigned Bytes = 0; 1922 unsigned EndOfLine = 0; 1923 1924 if (Comma == StringRef::npos || 1925 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1926 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1927 Diags.Report(diag::err_drv_preamble_format); 1928 else { 1929 Opts.PrecompiledPreambleBytes.first = Bytes; 1930 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1931 } 1932 } 1933 1934 // Add macros from the command line. 1935 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1936 ie = Args.filtered_end(); it != ie; ++it) { 1937 if ((*it)->getOption().matches(OPT_D)) 1938 Opts.addMacroDef((*it)->getValue(Args)); 1939 else 1940 Opts.addMacroUndef((*it)->getValue(Args)); 1941 } 1942 1943 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1944 1945 // Add the ordered list of -includes. 1946 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1947 OPT_include_pth), 1948 ie = Args.filtered_end(); it != ie; ++it) { 1949 const Arg *A = *it; 1950 // PCH is handled specially, we need to extra the original include path. 1951 if (A->getOption().matches(OPT_include_pch)) { 1952 std::string OriginalFile = 1953 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1954 if (OriginalFile.empty()) 1955 continue; 1956 1957 Opts.Includes.push_back(OriginalFile); 1958 } else 1959 Opts.Includes.push_back(A->getValue(Args)); 1960 } 1961 1962 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1963 ie = Args.filtered_end(); it != ie; ++it) { 1964 const Arg *A = *it; 1965 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1966 } 1967 1968 // Include 'altivec.h' if -faltivec option present 1969 if (Args.hasArg(OPT_faltivec)) 1970 Opts.Includes.push_back("altivec.h"); 1971 1972 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1973 ie = Args.filtered_end(); it != ie; ++it) { 1974 const Arg *A = *it; 1975 std::pair<StringRef,StringRef> Split = 1976 StringRef(A->getValue(Args)).split(';'); 1977 1978 if (Split.second.empty()) { 1979 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1980 continue; 1981 } 1982 1983 Opts.addRemappedFile(Split.first, Split.second); 1984 } 1985 1986 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1987 StringRef Name = A->getValue(Args); 1988 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1989 .Case("libc++", ARCXX_libcxx) 1990 .Case("libstdc++", ARCXX_libstdcxx) 1991 .Case("none", ARCXX_nolib) 1992 .Default(~0U); 1993 if (Library == ~0U) 1994 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1995 else 1996 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1997 } 1998 } 1999 2000 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2001 ArgList &Args) { 2002 using namespace cc1options; 2003 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2004 Opts.ShowComments = Args.hasArg(OPT_C); 2005 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2006 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2007 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2008 } 2009 2010 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2011 using namespace cc1options; 2012 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2013 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2014 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2015 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2016 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2017 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2018 2019 // Use the default target triple if unspecified. 2020 if (Opts.Triple.empty()) 2021 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2022 } 2023 2024 // 2025 2026 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2027 const char *const *ArgBegin, 2028 const char *const *ArgEnd, 2029 DiagnosticsEngine &Diags) { 2030 bool Success = true; 2031 2032 // Parse the arguments. 2033 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 2034 unsigned MissingArgIndex, MissingArgCount; 2035 llvm::OwningPtr<InputArgList> Args( 2036 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2037 2038 // Check for missing argument error. 2039 if (MissingArgCount) { 2040 Diags.Report(diag::err_drv_missing_argument) 2041 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2042 Success = false; 2043 } 2044 2045 // Issue errors on unknown arguments. 2046 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2047 ie = Args->filtered_end(); it != ie; ++it) { 2048 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2049 Success = false; 2050 } 2051 2052 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2053 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2054 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags) 2055 && Success; 2056 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2057 // FIXME: We shouldn't have to pass the DashX option around here 2058 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2059 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2060 && Success; 2061 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2062 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2063 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2064 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2065 Res.getLangOpts()->ObjCExceptions = 1; 2066 } 2067 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2068 // PCH file and find the original header name. Remove the need to do that in 2069 // ParsePreprocessorArgs and remove the FileManager 2070 // parameters from the function and the "FileManager.h" #include. 2071 FileManager FileMgr(Res.getFileSystemOpts()); 2072 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2073 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2074 ParseTargetArgs(Res.getTargetOpts(), *Args); 2075 2076 return Success; 2077 } 2078 2079 namespace { 2080 2081 class ModuleSignature { 2082 llvm::SmallVector<uint64_t, 16> Data; 2083 unsigned CurBit; 2084 uint64_t CurValue; 2085 2086 public: 2087 ModuleSignature() : CurBit(0), CurValue(0) { } 2088 2089 void add(uint64_t Value, unsigned Bits); 2090 void add(StringRef Value); 2091 void flush(); 2092 2093 llvm::APInt getAsInteger() const; 2094 }; 2095 } 2096 2097 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2098 CurValue |= Value << CurBit; 2099 if (CurBit + NumBits < 64) { 2100 CurBit += NumBits; 2101 return; 2102 } 2103 2104 // Add the current word. 2105 Data.push_back(CurValue); 2106 2107 if (CurBit) 2108 CurValue = Value >> (64-CurBit); 2109 else 2110 CurValue = 0; 2111 CurBit = (CurBit+NumBits) & 63; 2112 } 2113 2114 void ModuleSignature::flush() { 2115 if (CurBit == 0) 2116 return; 2117 2118 Data.push_back(CurValue); 2119 CurBit = 0; 2120 CurValue = 0; 2121 } 2122 2123 void ModuleSignature::add(StringRef Value) { 2124 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2125 add(*I, 8); 2126 } 2127 2128 llvm::APInt ModuleSignature::getAsInteger() const { 2129 return llvm::APInt(Data.size() * 64, Data); 2130 } 2131 2132 std::string CompilerInvocation::getModuleHash() const { 2133 ModuleSignature Signature; 2134 2135 // Start the signature with the compiler version. 2136 Signature.add(getClangFullRepositoryVersion()); 2137 2138 // Extend the signature with the language options 2139 #define LANGOPT(Name, Bits, Default, Description) \ 2140 Signature.add(LangOpts->Name, Bits); 2141 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2142 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2143 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2144 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2145 #include "clang/Basic/LangOptions.def" 2146 2147 // Extend the signature with the target triple 2148 llvm::Triple T(TargetOpts.Triple); 2149 Signature.add((unsigned)T.getArch(), 5); 2150 Signature.add((unsigned)T.getVendor(), 4); 2151 Signature.add((unsigned)T.getOS(), 5); 2152 Signature.add((unsigned)T.getEnvironment(), 4); 2153 2154 // Extend the signature with preprocessor options. 2155 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2156 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2157 2158 // Hash the preprocessor defines. 2159 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2160 std::vector<StringRef> MacroDefs; 2161 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2162 I = getPreprocessorOpts().Macros.begin(), 2163 IEnd = getPreprocessorOpts().Macros.end(); 2164 I != IEnd; ++I) { 2165 if (!I->second) 2166 MacroDefs.push_back(I->first); 2167 } 2168 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2169 2170 unsigned PPHashResult = 0; 2171 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2172 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2173 Signature.add(PPHashResult, 32); 2174 2175 // We've generated the signature. Treat it as one large APInt that we'll 2176 // encode in base-36 and return. 2177 Signature.flush(); 2178 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2179 } 2180