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.DisableTailCalls) 150 Res.push_back("-mdisable-tail-calls"); 151 if (!Opts.DebugCompilationDir.empty()) { 152 Res.push_back("-fdebug-compilation-dir"); 153 Res.push_back(Opts.DebugCompilationDir); 154 } 155 if (!Opts.DwarfDebugFlags.empty()) { 156 Res.push_back("-dwarf-debug-flags"); 157 Res.push_back(Opts.DwarfDebugFlags); 158 } 159 if (Opts.ObjCRuntimeHasARC) 160 Res.push_back("-fobjc-runtime-has-arc"); 161 if (Opts.ObjCRuntimeHasTerminate) 162 Res.push_back("-fobjc-runtime-has-terminate"); 163 if (Opts.EmitGcovArcs) 164 Res.push_back("-femit-coverage-data"); 165 if (Opts.EmitGcovNotes) 166 Res.push_back("-femit-coverage-notes"); 167 if (!Opts.MergeAllConstants) 168 Res.push_back("-fno-merge-all-constants"); 169 if (Opts.NoCommon) 170 Res.push_back("-fno-common"); 171 if (Opts.ForbidGuardVariables) 172 Res.push_back("-fforbid-guard-variables"); 173 if (Opts.UseRegisterSizedBitfieldAccess) 174 Res.push_back("-fuse-register-sized-bitfield-access"); 175 if (Opts.NoImplicitFloat) 176 Res.push_back("-no-implicit-float"); 177 if (Opts.OmitLeafFramePointer) 178 Res.push_back("-momit-leaf-frame-pointer"); 179 if (Opts.OptimizeSize) { 180 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 181 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 182 } else if (Opts.OptimizationLevel != 0) 183 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 184 if (!Opts.MainFileName.empty()) { 185 Res.push_back("-main-file-name"); 186 Res.push_back(Opts.MainFileName); 187 } 188 if (Opts.NoInfsFPMath) 189 Res.push_back("-menable-no-infinities"); 190 if (Opts.NoNaNsFPMath) 191 Res.push_back("-menable-no-nans"); 192 // SimplifyLibCalls is only derived. 193 // TimePasses is only derived. 194 // UnitAtATime is unused. 195 // Inlining is only derived. 196 197 // UnrollLoops is derived, but also accepts an option, no 198 // harm in pushing it back here. 199 if (Opts.UnrollLoops) 200 Res.push_back("-funroll-loops"); 201 if (Opts.DataSections) 202 Res.push_back("-fdata-sections"); 203 if (Opts.FunctionSections) 204 Res.push_back("-ffunction-sections"); 205 if (Opts.AsmVerbose) 206 Res.push_back("-masm-verbose"); 207 if (!Opts.CodeModel.empty()) { 208 Res.push_back("-mcode-model"); 209 Res.push_back(Opts.CodeModel); 210 } 211 if (Opts.CUDAIsDevice) 212 Res.push_back("-fcuda-is-device"); 213 if (!Opts.CXAAtExit) 214 Res.push_back("-fno-use-cxa-atexit"); 215 if (Opts.CXXCtorDtorAliases) 216 Res.push_back("-mconstructor-aliases"); 217 if (Opts.ObjCAutoRefCountExceptions) 218 Res.push_back("-fobjc-arc-eh"); 219 if (!Opts.DebugPass.empty()) { 220 Res.push_back("-mdebug-pass"); 221 Res.push_back(Opts.DebugPass); 222 } 223 if (Opts.DisableFPElim) 224 Res.push_back("-mdisable-fp-elim"); 225 if (!Opts.FloatABI.empty()) { 226 Res.push_back("-mfloat-abi"); 227 Res.push_back(Opts.FloatABI); 228 } 229 if (!Opts.LimitFloatPrecision.empty()) { 230 Res.push_back("-mlimit-float-precision"); 231 Res.push_back(Opts.LimitFloatPrecision); 232 } 233 if (Opts.NoZeroInitializedInBSS) 234 Res.push_back("-mno-zero-initialized-bss"); 235 switch (Opts.getObjCDispatchMethod()) { 236 case CodeGenOptions::Legacy: 237 break; 238 case CodeGenOptions::Mixed: 239 Res.push_back("-fobjc-dispatch-method=mixed"); 240 break; 241 case CodeGenOptions::NonLegacy: 242 Res.push_back("-fobjc-dispatch-method=non-legacy"); 243 break; 244 } 245 if (Opts.NumRegisterParameters) { 246 Res.push_back("-mregparm"); 247 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 248 } 249 if (Opts.NoGlobalMerge) 250 Res.push_back("-mno-global-merge"); 251 if (Opts.NoExecStack) 252 Res.push_back("-mnoexecstack"); 253 if (Opts.RelaxAll) 254 Res.push_back("-mrelax-all"); 255 if (Opts.SaveTempLabels) 256 Res.push_back("-msave-temp-labels"); 257 if (Opts.NoDwarf2CFIAsm) 258 Res.push_back("-fno-dwarf2-cfi-asm"); 259 if (Opts.NoDwarfDirectoryAsm) 260 Res.push_back("-fno-dwarf-directory-asm"); 261 if (Opts.SoftFloat) 262 Res.push_back("-msoft-float"); 263 if (Opts.UnwindTables) 264 Res.push_back("-munwind-tables"); 265 if (Opts.RelocationModel != "pic") { 266 Res.push_back("-mrelocation-model"); 267 Res.push_back(Opts.RelocationModel); 268 } 269 if (!Opts.VerifyModule) 270 Res.push_back("-disable-llvm-verifier"); 271 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 272 Res.push_back("-backend-option"); 273 Res.push_back(Opts.BackendOptions[i]); 274 } 275 } 276 277 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 278 std::vector<std::string> &Res) { 279 if (Opts.IncludeSystemHeaders) 280 Res.push_back("-sys-header-deps"); 281 if (Opts.ShowHeaderIncludes) 282 Res.push_back("-H"); 283 if (!Opts.HeaderIncludeOutputFile.empty()) { 284 Res.push_back("-header-include-file"); 285 Res.push_back(Opts.HeaderIncludeOutputFile); 286 } 287 if (Opts.UsePhonyTargets) 288 Res.push_back("-MP"); 289 if (!Opts.OutputFile.empty()) { 290 Res.push_back("-dependency-file"); 291 Res.push_back(Opts.OutputFile); 292 } 293 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 294 Res.push_back("-MT"); 295 Res.push_back(Opts.Targets[i]); 296 } 297 } 298 299 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 300 std::vector<std::string> &Res) { 301 if (Opts.IgnoreWarnings) 302 Res.push_back("-w"); 303 if (Opts.NoRewriteMacros) 304 Res.push_back("-Wno-rewrite-macros"); 305 if (Opts.Pedantic) 306 Res.push_back("-pedantic"); 307 if (Opts.PedanticErrors) 308 Res.push_back("-pedantic-errors"); 309 if (!Opts.ShowColumn) 310 Res.push_back("-fno-show-column"); 311 if (!Opts.ShowLocation) 312 Res.push_back("-fno-show-source-location"); 313 if (!Opts.ShowCarets) 314 Res.push_back("-fno-caret-diagnostics"); 315 if (!Opts.ShowFixits) 316 Res.push_back("-fno-diagnostics-fixit-info"); 317 if (Opts.ShowSourceRanges) 318 Res.push_back("-fdiagnostics-print-source-range-info"); 319 if (Opts.ShowParseableFixits) 320 Res.push_back("-fdiagnostics-parseable-fixits"); 321 if (Opts.ShowColors) 322 Res.push_back("-fcolor-diagnostics"); 323 if (Opts.VerifyDiagnostics) 324 Res.push_back("-verify"); 325 if (Opts.ShowNames) 326 Res.push_back("-fdiagnostics-show-name"); 327 if (Opts.ShowOptionNames) 328 Res.push_back("-fdiagnostics-show-option"); 329 if (Opts.ShowCategories == 1) 330 Res.push_back("-fdiagnostics-show-category=id"); 331 else if (Opts.ShowCategories == 2) 332 Res.push_back("-fdiagnostics-show-category=name"); 333 switch (Opts.Format) { 334 case DiagnosticOptions::Clang: 335 Res.push_back("-fdiagnostics-format=clang"); break; 336 case DiagnosticOptions::Msvc: 337 Res.push_back("-fdiagnostics-format=msvc"); break; 338 case DiagnosticOptions::Vi: 339 Res.push_back("-fdiagnostics-format=vi"); break; 340 } 341 if (Opts.ErrorLimit) { 342 Res.push_back("-ferror-limit"); 343 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 344 } 345 if (!Opts.DiagnosticLogFile.empty()) { 346 Res.push_back("-diagnostic-log-file"); 347 Res.push_back(Opts.DiagnosticLogFile); 348 } 349 if (Opts.MacroBacktraceLimit 350 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 351 Res.push_back("-fmacro-backtrace-limit"); 352 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 353 } 354 if (Opts.TemplateBacktraceLimit 355 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 356 Res.push_back("-ftemplate-backtrace-limit"); 357 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 358 } 359 if (Opts.ConstexprBacktraceLimit 360 != DiagnosticOptions::DefaultConstexprBacktraceLimit) { 361 Res.push_back("-fconstexpr-backtrace-limit"); 362 Res.push_back(llvm::utostr(Opts.ConstexprBacktraceLimit)); 363 } 364 365 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 366 Res.push_back("-ftabstop"); 367 Res.push_back(llvm::utostr(Opts.TabStop)); 368 } 369 if (Opts.MessageLength) { 370 Res.push_back("-fmessage-length"); 371 Res.push_back(llvm::utostr(Opts.MessageLength)); 372 } 373 if (!Opts.DumpBuildInformation.empty()) { 374 Res.push_back("-dump-build-information"); 375 Res.push_back(Opts.DumpBuildInformation); 376 } 377 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 378 Res.push_back("-W" + Opts.Warnings[i]); 379 } 380 381 static const char *getInputKindName(InputKind Kind) { 382 switch (Kind) { 383 case IK_None: break; 384 case IK_AST: return "ast"; 385 case IK_Asm: return "assembler-with-cpp"; 386 case IK_C: return "c"; 387 case IK_CXX: return "c++"; 388 case IK_LLVM_IR: return "ir"; 389 case IK_ObjC: return "objective-c"; 390 case IK_ObjCXX: return "objective-c++"; 391 case IK_OpenCL: return "cl"; 392 case IK_CUDA: return "cuda"; 393 case IK_PreprocessedC: return "cpp-output"; 394 case IK_PreprocessedCXX: return "c++-cpp-output"; 395 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 396 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 397 } 398 399 llvm_unreachable("Unexpected language kind!"); 400 } 401 402 static const char *getActionName(frontend::ActionKind Kind) { 403 switch (Kind) { 404 case frontend::PluginAction: 405 llvm_unreachable("Invalid kind!"); 406 407 case frontend::ASTDump: return "-ast-dump"; 408 case frontend::ASTDumpXML: return "-ast-dump-xml"; 409 case frontend::ASTPrint: return "-ast-print"; 410 case frontend::ASTView: return "-ast-view"; 411 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 412 case frontend::DumpTokens: return "-dump-tokens"; 413 case frontend::EmitAssembly: return "-S"; 414 case frontend::EmitBC: return "-emit-llvm-bc"; 415 case frontend::EmitHTML: return "-emit-html"; 416 case frontend::EmitLLVM: return "-emit-llvm"; 417 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 418 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 419 case frontend::EmitObj: return "-emit-obj"; 420 case frontend::FixIt: return "-fixit"; 421 case frontend::GenerateModule: return "-emit-module"; 422 case frontend::GeneratePCH: return "-emit-pch"; 423 case frontend::GeneratePTH: return "-emit-pth"; 424 case frontend::InitOnly: return "-init-only"; 425 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 426 case frontend::PrintDeclContext: return "-print-decl-contexts"; 427 case frontend::PrintPreamble: return "-print-preamble"; 428 case frontend::PrintPreprocessedInput: return "-E"; 429 case frontend::RewriteMacros: return "-rewrite-macros"; 430 case frontend::RewriteObjC: return "-rewrite-objc"; 431 case frontend::RewriteTest: return "-rewrite-test"; 432 case frontend::RunAnalysis: return "-analyze"; 433 case frontend::RunPreprocessorOnly: return "-Eonly"; 434 } 435 436 llvm_unreachable("Unexpected language kind!"); 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].File) != 496 Opts.Inputs[i].Kind) 497 NeedLang = true; 498 if (NeedLang) { 499 Res.push_back("-x"); 500 Res.push_back(getInputKindName(Opts.Inputs[0].Kind)); 501 } 502 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 503 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 504 "Unable to represent this input vector!"); 505 Res.push_back(Opts.Inputs[i].File); 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 ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1057 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1058 return true; 1059 } 1060 1061 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1062 DiagnosticsEngine &Diags) { 1063 using namespace cc1options; 1064 bool Success = true; 1065 1066 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1067 if (Opts.OptimizationLevel > 3) { 1068 Diags.Report(diag::err_drv_invalid_value) 1069 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1070 Opts.OptimizationLevel = 3; 1071 Success = false; 1072 } 1073 1074 // We must always run at least the always inlining pass. 1075 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1076 : CodeGenOptions::OnlyAlwaysInlining; 1077 1078 Opts.DebugInfo = Args.hasArg(OPT_g); 1079 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1080 || Args.hasArg(OPT_flimit_debug_info); 1081 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1082 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1083 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1084 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1085 OPT_fuse_register_sized_bitfield_access); 1086 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1087 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1088 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1089 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1090 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1091 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1092 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1093 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1094 Args.hasArg(OPT_ffreestanding)); 1095 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1096 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1097 1098 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1099 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1100 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1101 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1102 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1103 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1104 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1105 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1106 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1107 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1108 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1109 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1110 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1111 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1112 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1113 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1114 Args.hasArg(OPT_cl_finite_math_only)|| 1115 Args.hasArg(OPT_cl_fast_relaxed_math)); 1116 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1117 Args.hasArg(OPT_cl_finite_math_only)|| 1118 Args.hasArg(OPT_cl_fast_relaxed_math)); 1119 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1120 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1121 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1122 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1123 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1124 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1125 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1126 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1127 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1128 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1129 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1130 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1131 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1132 Args.hasArg(OPT_cl_fast_relaxed_math); 1133 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1134 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1135 1136 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1137 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1138 1139 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1140 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1141 1142 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1143 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1144 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1145 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1146 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1147 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1148 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1149 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1150 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1151 StringRef Val = A->getValue(Args); 1152 Val.getAsInteger(10, Opts.StackAlignment); 1153 } 1154 1155 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1156 StringRef Name = A->getValue(Args); 1157 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1158 .Case("legacy", CodeGenOptions::Legacy) 1159 .Case("non-legacy", CodeGenOptions::NonLegacy) 1160 .Case("mixed", CodeGenOptions::Mixed) 1161 .Default(~0U); 1162 if (Method == ~0U) { 1163 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1164 Success = false; 1165 } else { 1166 Opts.ObjCDispatchMethod = Method; 1167 } 1168 } 1169 1170 return Success; 1171 } 1172 1173 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1174 ArgList &Args) { 1175 using namespace cc1options; 1176 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1177 Opts.Targets = Args.getAllArgValues(OPT_MT); 1178 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1179 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1180 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1181 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1182 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1183 } 1184 1185 static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1186 DiagnosticsEngine &Diags) { 1187 using namespace cc1options; 1188 bool Success = true; 1189 1190 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1191 Opts.DiagnosticSerializationFile = 1192 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1193 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1194 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1195 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1196 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1197 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1198 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1199 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1200 OPT_fno_show_column, 1201 /*Default=*/true); 1202 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1203 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1204 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1205 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1206 1207 // Default behavior is to not to show note include stacks. 1208 Opts.ShowNoteIncludeStack = false; 1209 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1210 OPT_fno_diagnostics_show_note_include_stack)) 1211 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1212 Opts.ShowNoteIncludeStack = true; 1213 1214 StringRef ShowOverloads = 1215 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1216 if (ShowOverloads == "best") 1217 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1218 else if (ShowOverloads == "all") 1219 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1220 else { 1221 Diags.Report(diag::err_drv_invalid_value) 1222 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1223 << ShowOverloads; 1224 Success = false; 1225 } 1226 1227 StringRef ShowCategory = 1228 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1229 if (ShowCategory == "none") 1230 Opts.ShowCategories = 0; 1231 else if (ShowCategory == "id") 1232 Opts.ShowCategories = 1; 1233 else if (ShowCategory == "name") 1234 Opts.ShowCategories = 2; 1235 else { 1236 Diags.Report(diag::err_drv_invalid_value) 1237 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1238 << ShowCategory; 1239 Success = false; 1240 } 1241 1242 StringRef Format = 1243 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1244 if (Format == "clang") 1245 Opts.Format = DiagnosticOptions::Clang; 1246 else if (Format == "msvc") 1247 Opts.Format = DiagnosticOptions::Msvc; 1248 else if (Format == "vi") 1249 Opts.Format = DiagnosticOptions::Vi; 1250 else { 1251 Diags.Report(diag::err_drv_invalid_value) 1252 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1253 << Format; 1254 Success = false; 1255 } 1256 1257 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1258 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1259 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1260 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1261 Opts.MacroBacktraceLimit 1262 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1263 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1264 Opts.TemplateBacktraceLimit 1265 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1266 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1267 Diags); 1268 Opts.ConstexprBacktraceLimit 1269 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1270 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1271 Diags); 1272 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1273 DiagnosticOptions::DefaultTabStop, Diags); 1274 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1275 Diags.Report(diag::warn_ignoring_ftabstop_value) 1276 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1277 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1278 } 1279 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1280 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1281 Opts.Warnings = Args.getAllArgValues(OPT_W); 1282 1283 return Success; 1284 } 1285 1286 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1287 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1288 } 1289 1290 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1291 DiagnosticsEngine &Diags) { 1292 using namespace cc1options; 1293 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1294 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1295 switch (A->getOption().getID()) { 1296 default: 1297 llvm_unreachable("Invalid option in group!"); 1298 case OPT_ast_dump: 1299 Opts.ProgramAction = frontend::ASTDump; break; 1300 case OPT_ast_dump_xml: 1301 Opts.ProgramAction = frontend::ASTDumpXML; break; 1302 case OPT_ast_print: 1303 Opts.ProgramAction = frontend::ASTPrint; break; 1304 case OPT_ast_view: 1305 Opts.ProgramAction = frontend::ASTView; break; 1306 case OPT_dump_raw_tokens: 1307 Opts.ProgramAction = frontend::DumpRawTokens; break; 1308 case OPT_dump_tokens: 1309 Opts.ProgramAction = frontend::DumpTokens; break; 1310 case OPT_S: 1311 Opts.ProgramAction = frontend::EmitAssembly; break; 1312 case OPT_emit_llvm_bc: 1313 Opts.ProgramAction = frontend::EmitBC; break; 1314 case OPT_emit_html: 1315 Opts.ProgramAction = frontend::EmitHTML; break; 1316 case OPT_emit_llvm: 1317 Opts.ProgramAction = frontend::EmitLLVM; break; 1318 case OPT_emit_llvm_only: 1319 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1320 case OPT_emit_codegen_only: 1321 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1322 case OPT_emit_obj: 1323 Opts.ProgramAction = frontend::EmitObj; break; 1324 case OPT_fixit_EQ: 1325 Opts.FixItSuffix = A->getValue(Args); 1326 // fall-through! 1327 case OPT_fixit: 1328 Opts.ProgramAction = frontend::FixIt; break; 1329 case OPT_emit_module: 1330 Opts.ProgramAction = frontend::GenerateModule; break; 1331 case OPT_emit_pch: 1332 Opts.ProgramAction = frontend::GeneratePCH; break; 1333 case OPT_emit_pth: 1334 Opts.ProgramAction = frontend::GeneratePTH; break; 1335 case OPT_init_only: 1336 Opts.ProgramAction = frontend::InitOnly; break; 1337 case OPT_fsyntax_only: 1338 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1339 case OPT_print_decl_contexts: 1340 Opts.ProgramAction = frontend::PrintDeclContext; break; 1341 case OPT_print_preamble: 1342 Opts.ProgramAction = frontend::PrintPreamble; break; 1343 case OPT_E: 1344 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1345 case OPT_rewrite_macros: 1346 Opts.ProgramAction = frontend::RewriteMacros; break; 1347 case OPT_rewrite_objc: 1348 Opts.ProgramAction = frontend::RewriteObjC; break; 1349 case OPT_rewrite_test: 1350 Opts.ProgramAction = frontend::RewriteTest; break; 1351 case OPT_analyze: 1352 Opts.ProgramAction = frontend::RunAnalysis; break; 1353 case OPT_Eonly: 1354 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1355 } 1356 } 1357 1358 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1359 Opts.Plugins.push_back(A->getValue(Args,0)); 1360 Opts.ProgramAction = frontend::PluginAction; 1361 Opts.ActionName = A->getValue(Args); 1362 1363 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1364 end = Args.filtered_end(); it != end; ++it) { 1365 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1366 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1367 } 1368 } 1369 1370 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1371 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1372 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1373 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1374 end = Args.filtered_end(); it != end; ++it) { 1375 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1376 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1377 } 1378 } 1379 1380 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1381 Opts.CodeCompletionAt = 1382 ParsedSourceLocation::FromString(A->getValue(Args)); 1383 if (Opts.CodeCompletionAt.FileName.empty()) 1384 Diags.Report(diag::err_drv_invalid_value) 1385 << A->getAsString(Args) << A->getValue(Args); 1386 } 1387 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1388 1389 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1390 Opts.Plugins = Args.getAllArgValues(OPT_load); 1391 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1392 Opts.ShowHelp = Args.hasArg(OPT_help); 1393 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1394 Opts.ShowCodePatternsInCodeCompletion 1395 = Args.hasArg(OPT_code_completion_patterns); 1396 Opts.ShowGlobalSymbolsInCodeCompletion 1397 = !Args.hasArg(OPT_no_code_completion_globals); 1398 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1399 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1400 Opts.ShowVersion = Args.hasArg(OPT_version); 1401 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1402 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1403 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1404 1405 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1406 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1407 OPT_arcmt_modify, 1408 OPT_arcmt_migrate)) { 1409 switch (A->getOption().getID()) { 1410 default: 1411 llvm_unreachable("missed a case"); 1412 case OPT_arcmt_check: 1413 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1414 break; 1415 case OPT_arcmt_modify: 1416 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1417 break; 1418 case OPT_arcmt_migrate: 1419 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1420 break; 1421 } 1422 } 1423 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1424 Opts.ARCMTMigrateReportOut 1425 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1426 Opts.ARCMTMigrateEmitARCErrors 1427 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1428 1429 InputKind DashX = IK_None; 1430 if (const Arg *A = Args.getLastArg(OPT_x)) { 1431 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1432 .Case("c", IK_C) 1433 .Case("cl", IK_OpenCL) 1434 .Case("cuda", IK_CUDA) 1435 .Case("c++", IK_CXX) 1436 .Case("objective-c", IK_ObjC) 1437 .Case("objective-c++", IK_ObjCXX) 1438 .Case("cpp-output", IK_PreprocessedC) 1439 .Case("assembler-with-cpp", IK_Asm) 1440 .Case("c++-cpp-output", IK_PreprocessedCXX) 1441 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1442 .Case("objc-cpp-output", IK_PreprocessedObjC) 1443 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1444 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1445 .Case("c-header", IK_C) 1446 .Case("cl-header", IK_OpenCL) 1447 .Case("objective-c-header", IK_ObjC) 1448 .Case("c++-header", IK_CXX) 1449 .Case("objective-c++-header", IK_ObjCXX) 1450 .Case("ast", IK_AST) 1451 .Case("ir", IK_LLVM_IR) 1452 .Default(IK_None); 1453 if (DashX == IK_None) 1454 Diags.Report(diag::err_drv_invalid_value) 1455 << A->getAsString(Args) << A->getValue(Args); 1456 } 1457 1458 // '-' is the default input if none is given. 1459 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1460 Opts.Inputs.clear(); 1461 if (Inputs.empty()) 1462 Inputs.push_back("-"); 1463 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1464 InputKind IK = DashX; 1465 if (IK == IK_None) { 1466 IK = FrontendOptions::getInputKindForExtension( 1467 StringRef(Inputs[i]).rsplit('.').second); 1468 // FIXME: Remove this hack. 1469 if (i == 0) 1470 DashX = IK; 1471 } 1472 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1473 } 1474 1475 return DashX; 1476 } 1477 1478 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1479 void *MainAddr) { 1480 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1481 1482 if (!P.isEmpty()) { 1483 P.eraseComponent(); // Remove /clang from foo/bin/clang 1484 P.eraseComponent(); // Remove /bin from foo/bin 1485 1486 // Get foo/lib/clang/<version>/include 1487 P.appendComponent("lib"); 1488 P.appendComponent("clang"); 1489 P.appendComponent(CLANG_VERSION_STRING); 1490 } 1491 1492 return P.str(); 1493 } 1494 1495 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1496 using namespace cc1options; 1497 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1498 Opts.Verbose = Args.hasArg(OPT_v); 1499 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1500 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1501 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1502 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1503 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1504 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1505 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1506 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1507 1508 // Add -I..., -F..., and -index-header-map options in order. 1509 bool IsIndexHeaderMap = false; 1510 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1511 OPT_index_header_map), 1512 ie = Args.filtered_end(); it != ie; ++it) { 1513 if ((*it)->getOption().matches(OPT_index_header_map)) { 1514 // -index-header-map applies to the next -I or -F. 1515 IsIndexHeaderMap = true; 1516 continue; 1517 } 1518 1519 frontend::IncludeDirGroup Group 1520 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1521 1522 Opts.AddPath((*it)->getValue(Args), Group, true, 1523 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1524 IsIndexHeaderMap = false; 1525 } 1526 1527 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1528 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1529 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1530 OPT_iwithprefixbefore), 1531 ie = Args.filtered_end(); it != ie; ++it) { 1532 const Arg *A = *it; 1533 if (A->getOption().matches(OPT_iprefix)) 1534 Prefix = A->getValue(Args); 1535 else if (A->getOption().matches(OPT_iwithprefix)) 1536 Opts.AddPath(Prefix.str() + A->getValue(Args), 1537 frontend::System, false, false, false); 1538 else 1539 Opts.AddPath(Prefix.str() + A->getValue(Args), 1540 frontend::Angled, false, false, false); 1541 } 1542 1543 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1544 ie = Args.filtered_end(); it != ie; ++it) 1545 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1546 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1547 ie = Args.filtered_end(); it != ie; ++it) 1548 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1549 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1550 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1551 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1552 !(*it)->getOption().matches(OPT_iwithsysroot)); 1553 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1554 ie = Args.filtered_end(); it != ie; ++it) 1555 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1556 true); 1557 1558 // Add the paths for the various language specific isystem flags. 1559 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1560 ie = Args.filtered_end(); it != ie; ++it) 1561 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1562 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1563 ie = Args.filtered_end(); it != ie; ++it) 1564 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1565 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1566 ie = Args.filtered_end(); it != ie; ++it) 1567 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1568 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1569 ie = Args.filtered_end(); it != ie; ++it) 1570 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1571 true); 1572 1573 // Add the internal paths from a driver that detects standard include paths. 1574 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1575 OPT_internal_externc_isystem), 1576 E = Args.filtered_end(); 1577 I != E; ++I) 1578 Opts.AddPath((*I)->getValue(Args), frontend::System, 1579 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1580 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1581 } 1582 1583 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1584 LangStandard::Kind LangStd) { 1585 // Set some properties which depend solely on the input kind; it would be nice 1586 // to move these to the language standard, and have the driver resolve the 1587 // input kind + language standard. 1588 if (IK == IK_Asm) { 1589 Opts.AsmPreprocessor = 1; 1590 } else if (IK == IK_ObjC || 1591 IK == IK_ObjCXX || 1592 IK == IK_PreprocessedObjC || 1593 IK == IK_PreprocessedObjCXX) { 1594 Opts.ObjC1 = Opts.ObjC2 = 1; 1595 } 1596 1597 if (LangStd == LangStandard::lang_unspecified) { 1598 // Based on the base language, pick one. 1599 switch (IK) { 1600 case IK_None: 1601 case IK_AST: 1602 case IK_LLVM_IR: 1603 llvm_unreachable("Invalid input kind!"); 1604 case IK_OpenCL: 1605 LangStd = LangStandard::lang_opencl; 1606 break; 1607 case IK_CUDA: 1608 LangStd = LangStandard::lang_cuda; 1609 break; 1610 case IK_Asm: 1611 case IK_C: 1612 case IK_PreprocessedC: 1613 case IK_ObjC: 1614 case IK_PreprocessedObjC: 1615 LangStd = LangStandard::lang_gnu99; 1616 break; 1617 case IK_CXX: 1618 case IK_PreprocessedCXX: 1619 case IK_ObjCXX: 1620 case IK_PreprocessedObjCXX: 1621 LangStd = LangStandard::lang_gnucxx98; 1622 break; 1623 } 1624 } 1625 1626 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1627 Opts.BCPLComment = Std.hasBCPLComments(); 1628 Opts.C99 = Std.isC99(); 1629 Opts.C11 = Std.isC11(); 1630 Opts.CPlusPlus = Std.isCPlusPlus(); 1631 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1632 Opts.Digraphs = Std.hasDigraphs(); 1633 Opts.GNUMode = Std.isGNUMode(); 1634 Opts.GNUInline = !Std.isC99(); 1635 Opts.HexFloats = Std.hasHexFloats(); 1636 Opts.ImplicitInt = Std.hasImplicitInt(); 1637 1638 // OpenCL has some additional defaults. 1639 if (LangStd == LangStandard::lang_opencl) { 1640 Opts.OpenCL = 1; 1641 Opts.AltiVec = 0; 1642 Opts.CXXOperatorNames = 1; 1643 Opts.LaxVectorConversions = 0; 1644 Opts.DefaultFPContract = 1; 1645 } 1646 1647 if (LangStd == LangStandard::lang_cuda) 1648 Opts.CUDA = 1; 1649 1650 // OpenCL and C++ both have bool, true, false keywords. 1651 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1652 1653 Opts.GNUKeywords = Opts.GNUMode; 1654 Opts.CXXOperatorNames = Opts.CPlusPlus; 1655 1656 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1657 // is specified, or -std is set to a conforming mode. 1658 Opts.Trigraphs = !Opts.GNUMode; 1659 1660 Opts.DollarIdents = !Opts.AsmPreprocessor; 1661 } 1662 1663 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1664 DiagnosticsEngine &Diags) { 1665 // FIXME: Cleanup per-file based stuff. 1666 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1667 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1668 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1669 #define LANGSTANDARD(id, name, desc, features) \ 1670 .Case(name, LangStandard::lang_##id) 1671 #include "clang/Frontend/LangStandards.def" 1672 .Default(LangStandard::lang_unspecified); 1673 if (LangStd == LangStandard::lang_unspecified) 1674 Diags.Report(diag::err_drv_invalid_value) 1675 << A->getAsString(Args) << A->getValue(Args); 1676 else { 1677 // Valid standard, check to make sure language and standard are compatable. 1678 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1679 switch (IK) { 1680 case IK_C: 1681 case IK_ObjC: 1682 case IK_PreprocessedC: 1683 case IK_PreprocessedObjC: 1684 if (!(Std.isC89() || Std.isC99())) 1685 Diags.Report(diag::err_drv_argument_not_allowed_with) 1686 << A->getAsString(Args) << "C/ObjC"; 1687 break; 1688 case IK_CXX: 1689 case IK_ObjCXX: 1690 case IK_PreprocessedCXX: 1691 case IK_PreprocessedObjCXX: 1692 if (!Std.isCPlusPlus()) 1693 Diags.Report(diag::err_drv_argument_not_allowed_with) 1694 << A->getAsString(Args) << "C++/ObjC++"; 1695 break; 1696 case IK_OpenCL: 1697 if (!Std.isC99()) 1698 Diags.Report(diag::err_drv_argument_not_allowed_with) 1699 << A->getAsString(Args) << "OpenCL"; 1700 break; 1701 case IK_CUDA: 1702 if (!Std.isCPlusPlus()) 1703 Diags.Report(diag::err_drv_argument_not_allowed_with) 1704 << A->getAsString(Args) << "CUDA"; 1705 break; 1706 default: 1707 break; 1708 } 1709 } 1710 } 1711 1712 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1713 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1714 Diags.Report(diag::err_drv_invalid_value) 1715 << A->getAsString(Args) << A->getValue(Args); 1716 } 1717 } 1718 1719 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1720 1721 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1722 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1723 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1724 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1725 // name, as it doesn't seem a useful distinction. 1726 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1727 Opts.GNUKeywords); 1728 1729 if (Args.hasArg(OPT_fno_operator_names)) 1730 Opts.CXXOperatorNames = 0; 1731 1732 if (Opts.ObjC1) { 1733 if (Args.hasArg(OPT_fobjc_gc_only)) 1734 Opts.setGC(LangOptions::GCOnly); 1735 else if (Args.hasArg(OPT_fobjc_gc)) 1736 Opts.setGC(LangOptions::HybridGC); 1737 else if (Args.hasArg(OPT_fobjc_arc)) { 1738 Opts.ObjCAutoRefCount = 1; 1739 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1740 Diags.Report(diag::err_arc_nonfragile_abi); 1741 } 1742 1743 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1744 Opts.ObjCRuntimeHasWeak = 1; 1745 1746 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1747 Opts.ObjCInferRelatedResultType = 0; 1748 } 1749 1750 if (Args.hasArg(OPT_fgnu89_inline)) 1751 Opts.GNUInline = 1; 1752 1753 if (Args.hasArg(OPT_fapple_kext)) { 1754 if (!Opts.CPlusPlus) 1755 Diags.Report(diag::warn_c_kext); 1756 else 1757 Opts.AppleKext = 1; 1758 } 1759 1760 if (Args.hasArg(OPT_print_ivar_layout)) 1761 Opts.ObjCGCBitmapPrint = 1; 1762 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1763 Opts.NoConstantCFStrings = 1; 1764 1765 if (Args.hasArg(OPT_faltivec)) 1766 Opts.AltiVec = 1; 1767 1768 if (Args.hasArg(OPT_pthread)) 1769 Opts.POSIXThreads = 1; 1770 1771 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1772 Opts.DelayedTemplateParsing = 1; 1773 1774 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1775 if (Vis == "default") 1776 Opts.setVisibilityMode(DefaultVisibility); 1777 else if (Vis == "hidden") 1778 Opts.setVisibilityMode(HiddenVisibility); 1779 else if (Vis == "protected") 1780 Opts.setVisibilityMode(ProtectedVisibility); 1781 else 1782 Diags.Report(diag::err_drv_invalid_value) 1783 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1784 1785 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1786 Opts.InlineVisibilityHidden = 1; 1787 1788 if (Args.hasArg(OPT_ftrapv)) { 1789 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1790 // Set the handler, if one is specified. 1791 Opts.OverflowHandler = 1792 Args.getLastArgValue(OPT_ftrapv_handler); 1793 } 1794 else if (Args.hasArg(OPT_fwrapv)) 1795 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1796 1797 if (Args.hasArg(OPT_trigraphs)) 1798 Opts.Trigraphs = 1; 1799 1800 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1801 OPT_fno_dollars_in_identifiers, 1802 Opts.DollarIdents); 1803 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1804 Opts.MicrosoftExt 1805 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1806 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1807 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1808 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1809 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1810 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1811 Opts.ConstStrings); 1812 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1813 Opts.LaxVectorConversions = 0; 1814 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1815 Opts.ThreadsafeStatics = 0; 1816 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1817 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1818 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1819 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1820 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1821 1822 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1823 Opts.Blocks = Args.hasArg(OPT_fblocks); 1824 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1825 Opts.Modules = Args.hasArg(OPT_fmodules); 1826 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1827 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1828 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1829 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1830 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1831 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1832 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1833 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1834 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1835 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1836 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1837 Diags); 1838 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1839 Diags); 1840 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1841 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1842 0, Diags); 1843 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1844 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1845 Opts.ObjCConstantStringClass = 1846 Args.getLastArgValue(OPT_fconstant_string_class); 1847 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1848 if (Opts.ObjCNonFragileABI) 1849 Opts.ObjCNonFragileABI2 = true; 1850 Opts.ObjCDefaultSynthProperties = 1851 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1852 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1853 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1854 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1855 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1856 Opts.Static = Args.hasArg(OPT_static_define); 1857 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1858 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1859 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1860 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1861 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1862 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1863 Opts.MRTD = Args.hasArg(OPT_mrtd); 1864 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1865 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1866 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1867 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1868 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1869 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1870 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1871 1872 // Record whether the __DEPRECATED define was requested. 1873 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1874 OPT_fno_deprecated_macro, 1875 Opts.Deprecated); 1876 1877 // FIXME: Eliminate this dependency. 1878 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1879 Opts.Optimize = Opt != 0; 1880 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1881 1882 // This is the __NO_INLINE__ define, which just depends on things like the 1883 // optimization level and -fno-inline, not actually whether the backend has 1884 // inlining enabled. 1885 // 1886 // FIXME: This is affected by other options (-fno-inline). 1887 Opts.NoInline = !Opt; 1888 1889 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1890 1891 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1892 switch (SSP) { 1893 default: 1894 Diags.Report(diag::err_drv_invalid_value) 1895 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1896 break; 1897 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1898 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1899 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1900 } 1901 } 1902 1903 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1904 FileManager &FileMgr, 1905 DiagnosticsEngine &Diags) { 1906 using namespace cc1options; 1907 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1908 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1909 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1910 Opts.TokenCache = A->getValue(Args); 1911 else 1912 Opts.TokenCache = Opts.ImplicitPTHInclude; 1913 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1914 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1915 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1916 1917 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1918 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1919 ie = Args.filtered_end(); it != ie; ++it) { 1920 const Arg *A = *it; 1921 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1922 } 1923 1924 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1925 StringRef Value(A->getValue(Args)); 1926 size_t Comma = Value.find(','); 1927 unsigned Bytes = 0; 1928 unsigned EndOfLine = 0; 1929 1930 if (Comma == StringRef::npos || 1931 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1932 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1933 Diags.Report(diag::err_drv_preamble_format); 1934 else { 1935 Opts.PrecompiledPreambleBytes.first = Bytes; 1936 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1937 } 1938 } 1939 1940 // Add macros from the command line. 1941 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1942 ie = Args.filtered_end(); it != ie; ++it) { 1943 if ((*it)->getOption().matches(OPT_D)) 1944 Opts.addMacroDef((*it)->getValue(Args)); 1945 else 1946 Opts.addMacroUndef((*it)->getValue(Args)); 1947 } 1948 1949 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1950 1951 // Add the ordered list of -includes. 1952 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1953 OPT_include_pth), 1954 ie = Args.filtered_end(); it != ie; ++it) { 1955 const Arg *A = *it; 1956 // PCH is handled specially, we need to extra the original include path. 1957 if (A->getOption().matches(OPT_include_pch)) { 1958 std::string OriginalFile = 1959 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1960 if (OriginalFile.empty()) 1961 continue; 1962 1963 Opts.Includes.push_back(OriginalFile); 1964 } else 1965 Opts.Includes.push_back(A->getValue(Args)); 1966 } 1967 1968 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1969 ie = Args.filtered_end(); it != ie; ++it) { 1970 const Arg *A = *it; 1971 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1972 } 1973 1974 // Include 'altivec.h' if -faltivec option present 1975 if (Args.hasArg(OPT_faltivec)) 1976 Opts.Includes.push_back("altivec.h"); 1977 1978 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1979 ie = Args.filtered_end(); it != ie; ++it) { 1980 const Arg *A = *it; 1981 std::pair<StringRef,StringRef> Split = 1982 StringRef(A->getValue(Args)).split(';'); 1983 1984 if (Split.second.empty()) { 1985 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1986 continue; 1987 } 1988 1989 Opts.addRemappedFile(Split.first, Split.second); 1990 } 1991 1992 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1993 StringRef Name = A->getValue(Args); 1994 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1995 .Case("libc++", ARCXX_libcxx) 1996 .Case("libstdc++", ARCXX_libstdcxx) 1997 .Case("none", ARCXX_nolib) 1998 .Default(~0U); 1999 if (Library == ~0U) 2000 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2001 else 2002 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2003 } 2004 } 2005 2006 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2007 ArgList &Args) { 2008 using namespace cc1options; 2009 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2010 Opts.ShowComments = Args.hasArg(OPT_C); 2011 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2012 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2013 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2014 } 2015 2016 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2017 using namespace cc1options; 2018 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2019 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2020 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2021 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2022 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2023 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2024 2025 // Use the default target triple if unspecified. 2026 if (Opts.Triple.empty()) 2027 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2028 } 2029 2030 // 2031 2032 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2033 const char *const *ArgBegin, 2034 const char *const *ArgEnd, 2035 DiagnosticsEngine &Diags) { 2036 bool Success = true; 2037 2038 // Parse the arguments. 2039 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 2040 unsigned MissingArgIndex, MissingArgCount; 2041 llvm::OwningPtr<InputArgList> Args( 2042 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2043 2044 // Check for missing argument error. 2045 if (MissingArgCount) { 2046 Diags.Report(diag::err_drv_missing_argument) 2047 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2048 Success = false; 2049 } 2050 2051 // Issue errors on unknown arguments. 2052 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2053 ie = Args->filtered_end(); it != ie; ++it) { 2054 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2055 Success = false; 2056 } 2057 2058 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2059 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2060 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2061 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags) 2062 && Success; 2063 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2064 // FIXME: We shouldn't have to pass the DashX option around here 2065 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2066 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2067 && Success; 2068 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2069 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2070 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2071 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2072 Res.getLangOpts()->ObjCExceptions = 1; 2073 } 2074 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2075 // PCH file and find the original header name. Remove the need to do that in 2076 // ParsePreprocessorArgs and remove the FileManager 2077 // parameters from the function and the "FileManager.h" #include. 2078 FileManager FileMgr(Res.getFileSystemOpts()); 2079 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2080 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2081 ParseTargetArgs(Res.getTargetOpts(), *Args); 2082 2083 return Success; 2084 } 2085 2086 namespace { 2087 2088 class ModuleSignature { 2089 llvm::SmallVector<uint64_t, 16> Data; 2090 unsigned CurBit; 2091 uint64_t CurValue; 2092 2093 public: 2094 ModuleSignature() : CurBit(0), CurValue(0) { } 2095 2096 void add(uint64_t Value, unsigned Bits); 2097 void add(StringRef Value); 2098 void flush(); 2099 2100 llvm::APInt getAsInteger() const; 2101 }; 2102 } 2103 2104 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2105 CurValue |= Value << CurBit; 2106 if (CurBit + NumBits < 64) { 2107 CurBit += NumBits; 2108 return; 2109 } 2110 2111 // Add the current word. 2112 Data.push_back(CurValue); 2113 2114 if (CurBit) 2115 CurValue = Value >> (64-CurBit); 2116 else 2117 CurValue = 0; 2118 CurBit = (CurBit+NumBits) & 63; 2119 } 2120 2121 void ModuleSignature::flush() { 2122 if (CurBit == 0) 2123 return; 2124 2125 Data.push_back(CurValue); 2126 CurBit = 0; 2127 CurValue = 0; 2128 } 2129 2130 void ModuleSignature::add(StringRef Value) { 2131 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2132 add(*I, 8); 2133 } 2134 2135 llvm::APInt ModuleSignature::getAsInteger() const { 2136 return llvm::APInt(Data.size() * 64, Data); 2137 } 2138 2139 std::string CompilerInvocation::getModuleHash() const { 2140 ModuleSignature Signature; 2141 2142 // Start the signature with the compiler version. 2143 Signature.add(getClangFullRepositoryVersion()); 2144 2145 // Extend the signature with the language options 2146 #define LANGOPT(Name, Bits, Default, Description) \ 2147 Signature.add(LangOpts->Name, Bits); 2148 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2149 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2150 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2151 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2152 #include "clang/Basic/LangOptions.def" 2153 2154 // Extend the signature with the target triple 2155 llvm::Triple T(TargetOpts.Triple); 2156 Signature.add((unsigned)T.getArch(), 5); 2157 Signature.add((unsigned)T.getVendor(), 4); 2158 Signature.add((unsigned)T.getOS(), 5); 2159 Signature.add((unsigned)T.getEnvironment(), 4); 2160 2161 // Extend the signature with preprocessor options. 2162 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2163 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2164 2165 // Hash the preprocessor defines. 2166 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2167 std::vector<StringRef> MacroDefs; 2168 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2169 I = getPreprocessorOpts().Macros.begin(), 2170 IEnd = getPreprocessorOpts().Macros.end(); 2171 I != IEnd; ++I) { 2172 if (!I->second) 2173 MacroDefs.push_back(I->first); 2174 } 2175 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2176 2177 unsigned PPHashResult = 0; 2178 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2179 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2180 Signature.add(PPHashResult, 32); 2181 2182 // We've generated the signature. Treat it as one large APInt that we'll 2183 // encode in base-36 and return. 2184 Signature.flush(); 2185 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2186 } 2187