1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 static const char *getAnalysisName(Analyses Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis kind!"); 37 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 38 case NAME: return "-" CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisStoreName(AnalysisStores Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis store!"); 47 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis constraints!"); 57 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 58 case NAME##Model: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 64 switch (Kind) { 65 default: 66 llvm_unreachable("Unknown analysis client!"); 67 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 68 case PD_##NAME: return CMDFLAG; 69 #include "clang/Frontend/Analyses.def" 70 } 71 } 72 73 //===----------------------------------------------------------------------===// 74 // Serialization (to args) 75 //===----------------------------------------------------------------------===// 76 77 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 78 std::vector<std::string> &Res) { 79 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 80 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 81 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 82 Res.push_back("-analyzer-store"); 83 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 84 } 85 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 86 Res.push_back("-analyzer-constraints"); 87 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 88 } 89 if (Opts.AnalysisDiagOpt != PD_HTML) { 90 Res.push_back("-analyzer-output"); 91 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 92 } 93 if (!Opts.AnalyzeSpecificFunction.empty()) { 94 Res.push_back("-analyze-function"); 95 Res.push_back(Opts.AnalyzeSpecificFunction); 96 } 97 if (Opts.AnalyzeAll) 98 Res.push_back("-analyzer-opt-analyze-headers"); 99 if (Opts.AnalyzerDisplayProgress) 100 Res.push_back("-analyzer-display-progress"); 101 if (Opts.AnalyzeNestedBlocks) 102 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 103 if (Opts.AnalyzerStats) 104 Res.push_back("-analyzer-stats"); 105 if (Opts.EagerlyAssume) 106 Res.push_back("-analyzer-eagerly-assume"); 107 if (!Opts.PurgeDead) 108 Res.push_back("-analyzer-no-purge-dead"); 109 if (Opts.TrimGraph) 110 Res.push_back("-trim-egraph"); 111 if (Opts.VisualizeEGDot) 112 Res.push_back("-analyzer-viz-egraph-graphviz"); 113 if (Opts.VisualizeEGDot) 114 Res.push_back("-analyzer-viz-egraph-ubigraph"); 115 if (Opts.EnableExperimentalChecks) 116 Res.push_back("-analyzer-experimental-checks"); 117 if (Opts.EnableExperimentalInternalChecks) 118 Res.push_back("-analyzer-experimental-internal-checks"); 119 if (Opts.IdempotentOps) 120 Res.push_back("-analyzer-check-idempotent-operations"); 121 if (Opts.BufferOverflows) 122 Res.push_back("-analyzer-check-buffer-overflows"); 123 } 124 125 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 126 std::vector<std::string> &Res) { 127 if (Opts.DebugInfo) 128 Res.push_back("-g"); 129 if (Opts.DisableLLVMOpts) 130 Res.push_back("-disable-llvm-optzns"); 131 if (Opts.DisableRedZone) 132 Res.push_back("-disable-red-zone"); 133 if (!Opts.DwarfDebugFlags.empty()) { 134 Res.push_back("-dwarf-debug-flags"); 135 Res.push_back(Opts.DwarfDebugFlags); 136 } 137 if (!Opts.MergeAllConstants) 138 Res.push_back("-fno-merge-all-constants"); 139 if (Opts.NoCommon) 140 Res.push_back("-fno-common"); 141 if (Opts.NoImplicitFloat) 142 Res.push_back("-no-implicit-float"); 143 if (Opts.OmitLeafFramePointer) 144 Res.push_back("-momit-leaf-frame-pointer"); 145 if (Opts.OptimizeSize) { 146 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 147 Res.push_back("-Os"); 148 } else if (Opts.OptimizationLevel != 0) 149 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 150 if (!Opts.MainFileName.empty()) { 151 Res.push_back("-main-file-name"); 152 Res.push_back(Opts.MainFileName); 153 } 154 // SimplifyLibCalls is only derived. 155 // TimePasses is only derived. 156 // UnitAtATime is unused. 157 // Inlining is only derived. 158 159 // UnrollLoops is derived, but also accepts an option, no 160 // harm in pushing it back here. 161 if (Opts.UnrollLoops) 162 Res.push_back("-funroll-loops"); 163 if (Opts.DataSections) 164 Res.push_back("-fdata-sections"); 165 if (Opts.FunctionSections) 166 Res.push_back("-ffunction-sections"); 167 if (Opts.AsmVerbose) 168 Res.push_back("-masm-verbose"); 169 if (!Opts.CodeModel.empty()) { 170 Res.push_back("-mcode-model"); 171 Res.push_back(Opts.CodeModel); 172 } 173 if (!Opts.CXAAtExit) 174 Res.push_back("-fno-use-cxa-atexit"); 175 if (Opts.CXXCtorDtorAliases) 176 Res.push_back("-mconstructor-aliases"); 177 if (!Opts.DebugPass.empty()) { 178 Res.push_back("-mdebug-pass"); 179 Res.push_back(Opts.DebugPass); 180 } 181 if (Opts.DisableFPElim) 182 Res.push_back("-mdisable-fp-elim"); 183 if (!Opts.FloatABI.empty()) { 184 Res.push_back("-mfloat-abi"); 185 Res.push_back(Opts.FloatABI); 186 } 187 if (!Opts.LimitFloatPrecision.empty()) { 188 Res.push_back("-mlimit-float-precision"); 189 Res.push_back(Opts.LimitFloatPrecision); 190 } 191 if (Opts.NoZeroInitializedInBSS) 192 Res.push_back("-mno-zero-initialized-bss"); 193 switch (Opts.getObjCDispatchMethod()) { 194 case CodeGenOptions::Legacy: 195 break; 196 case CodeGenOptions::Mixed: 197 Res.push_back("-fobjc-dispatch-method=mixed"); 198 break; 199 case CodeGenOptions::NonLegacy: 200 Res.push_back("-fobjc-dispatch-method=non-legacy"); 201 break; 202 } 203 if (Opts.RelaxAll) 204 Res.push_back("-mrelax-all"); 205 if (Opts.SoftFloat) 206 Res.push_back("-msoft-float"); 207 if (Opts.UnwindTables) 208 Res.push_back("-munwind-tables"); 209 if (Opts.RelocationModel != "pic") { 210 Res.push_back("-mrelocation-model"); 211 Res.push_back(Opts.RelocationModel); 212 } 213 if (!Opts.VerifyModule) 214 Res.push_back("-disable-llvm-verifier"); 215 } 216 217 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 218 std::vector<std::string> &Res) { 219 if (Opts.IncludeSystemHeaders) 220 Res.push_back("-sys-header-deps"); 221 if (Opts.UsePhonyTargets) 222 Res.push_back("-MP"); 223 if (!Opts.OutputFile.empty()) { 224 Res.push_back("-dependency-file"); 225 Res.push_back(Opts.OutputFile); 226 } 227 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 228 Res.push_back("-MT"); 229 Res.push_back(Opts.Targets[i]); 230 } 231 } 232 233 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 234 std::vector<std::string> &Res) { 235 if (Opts.IgnoreWarnings) 236 Res.push_back("-w"); 237 if (Opts.NoRewriteMacros) 238 Res.push_back("-Wno-rewrite-macros"); 239 if (Opts.Pedantic) 240 Res.push_back("-pedantic"); 241 if (Opts.PedanticErrors) 242 Res.push_back("-pedantic-errors"); 243 if (!Opts.ShowColumn) 244 Res.push_back("-fno-show-column"); 245 if (!Opts.ShowLocation) 246 Res.push_back("-fno-show-source-location"); 247 if (!Opts.ShowCarets) 248 Res.push_back("-fno-caret-diagnostics"); 249 if (!Opts.ShowFixits) 250 Res.push_back("-fno-diagnostics-fixit-info"); 251 if (Opts.ShowSourceRanges) 252 Res.push_back("-fdiagnostics-print-source-range-info"); 253 if (Opts.ShowParseableFixits) 254 Res.push_back("-fdiagnostics-parseable-fixits"); 255 if (Opts.ShowColors) 256 Res.push_back("-fcolor-diagnostics"); 257 if (Opts.VerifyDiagnostics) 258 Res.push_back("-verify"); 259 if (Opts.ShowOptionNames) 260 Res.push_back("-fdiagnostics-show-option"); 261 if (Opts.ShowCategories == 1) 262 Res.push_back("-fdiagnostics-show-category=id"); 263 else if (Opts.ShowCategories == 2) 264 Res.push_back("-fdiagnostics-show-category=name"); 265 if (Opts.ErrorLimit) { 266 Res.push_back("-ferror-limit"); 267 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 268 } 269 if (Opts.MacroBacktraceLimit 270 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 271 Res.push_back("-fmacro-backtrace-limit"); 272 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 273 } 274 if (Opts.TemplateBacktraceLimit 275 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 276 Res.push_back("-ftemplate-backtrace-limit"); 277 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 278 } 279 280 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 281 Res.push_back("-ftabstop"); 282 Res.push_back(llvm::utostr(Opts.TabStop)); 283 } 284 if (Opts.MessageLength) { 285 Res.push_back("-fmessage-length"); 286 Res.push_back(llvm::utostr(Opts.MessageLength)); 287 } 288 if (!Opts.DumpBuildInformation.empty()) { 289 Res.push_back("-dump-build-information"); 290 Res.push_back(Opts.DumpBuildInformation); 291 } 292 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 293 Res.push_back("-W" + Opts.Warnings[i]); 294 } 295 296 static const char *getInputKindName(InputKind Kind) { 297 switch (Kind) { 298 case IK_None: break; 299 case IK_AST: return "ast"; 300 case IK_Asm: return "assembler-with-cpp"; 301 case IK_C: return "c"; 302 case IK_CXX: return "c++"; 303 case IK_LLVM_IR: return "ir"; 304 case IK_ObjC: return "objective-c"; 305 case IK_ObjCXX: return "objective-c++"; 306 case IK_OpenCL: return "cl"; 307 case IK_CUDA: return "cuda"; 308 case IK_PreprocessedC: return "cpp-output"; 309 case IK_PreprocessedCXX: return "c++-cpp-output"; 310 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 311 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 312 } 313 314 llvm_unreachable("Unexpected language kind!"); 315 return 0; 316 } 317 318 static const char *getActionName(frontend::ActionKind Kind) { 319 switch (Kind) { 320 case frontend::PluginAction: 321 case frontend::InheritanceView: 322 llvm_unreachable("Invalid kind!"); 323 324 case frontend::ASTDump: return "-ast-dump"; 325 case frontend::ASTDumpXML: return "-ast-dump-xml"; 326 case frontend::ASTPrint: return "-ast-print"; 327 case frontend::ASTPrintXML: return "-ast-print-xml"; 328 case frontend::ASTView: return "-ast-view"; 329 case frontend::BoostCon: return "-boostcon"; 330 case frontend::CreateModule: return "-create-module"; 331 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 332 case frontend::DumpTokens: return "-dump-tokens"; 333 case frontend::EmitAssembly: return "-S"; 334 case frontend::EmitBC: return "-emit-llvm-bc"; 335 case frontend::EmitHTML: return "-emit-html"; 336 case frontend::EmitLLVM: return "-emit-llvm"; 337 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 338 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 339 case frontend::EmitObj: return "-emit-obj"; 340 case frontend::FixIt: return "-fixit"; 341 case frontend::GeneratePCH: return "-emit-pch"; 342 case frontend::GeneratePTH: return "-emit-pth"; 343 case frontend::InitOnly: return "-init-only"; 344 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 345 case frontend::PrintDeclContext: return "-print-decl-contexts"; 346 case frontend::PrintPreamble: return "-print-preamble"; 347 case frontend::PrintPreprocessedInput: return "-E"; 348 case frontend::RewriteMacros: return "-rewrite-macros"; 349 case frontend::RewriteObjC: return "-rewrite-objc"; 350 case frontend::RewriteTest: return "-rewrite-test"; 351 case frontend::RunAnalysis: return "-analyze"; 352 case frontend::RunPreprocessorOnly: return "-Eonly"; 353 } 354 355 llvm_unreachable("Unexpected language kind!"); 356 return 0; 357 } 358 359 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 360 std::vector<std::string> &Res) { 361 if (!Opts.WorkingDir.empty()) { 362 Res.push_back("-working-directory"); 363 Res.push_back(Opts.WorkingDir); 364 } 365 } 366 367 static void FrontendOptsToArgs(const FrontendOptions &Opts, 368 std::vector<std::string> &Res) { 369 if (Opts.DisableFree) 370 Res.push_back("-disable-free"); 371 if (Opts.RelocatablePCH) 372 Res.push_back("-relocatable-pch"); 373 if (Opts.ChainedPCH) 374 Res.push_back("-chained-pch"); 375 if (Opts.ShowHelp) 376 Res.push_back("-help"); 377 if (Opts.ShowMacrosInCodeCompletion) 378 Res.push_back("-code-completion-macros"); 379 if (Opts.ShowCodePatternsInCodeCompletion) 380 Res.push_back("-code-completion-patterns"); 381 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 382 Res.push_back("-no-code-completion-globals"); 383 if (Opts.ShowStats) 384 Res.push_back("-print-stats"); 385 if (Opts.ShowTimers) 386 Res.push_back("-ftime-report"); 387 if (Opts.ShowVersion) 388 Res.push_back("-version"); 389 if (Opts.FixWhatYouCan) 390 Res.push_back("-fix-what-you-can"); 391 392 bool NeedLang = false; 393 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 394 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 395 Opts.Inputs[i].first) 396 NeedLang = true; 397 if (NeedLang) { 398 Res.push_back("-x"); 399 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 400 } 401 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 402 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 403 "Unable to represent this input vector!"); 404 Res.push_back(Opts.Inputs[i].second); 405 } 406 407 if (!Opts.OutputFile.empty()) { 408 Res.push_back("-o"); 409 Res.push_back(Opts.OutputFile); 410 } 411 if (!Opts.ViewClassInheritance.empty()) { 412 Res.push_back("-cxx-inheritance-view"); 413 Res.push_back(Opts.ViewClassInheritance); 414 } 415 if (!Opts.CodeCompletionAt.FileName.empty()) { 416 Res.push_back("-code-completion-at"); 417 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 418 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 419 llvm::utostr(Opts.CodeCompletionAt.Column)); 420 } 421 if (Opts.ProgramAction != frontend::InheritanceView && 422 Opts.ProgramAction != frontend::PluginAction) 423 Res.push_back(getActionName(Opts.ProgramAction)); 424 if (!Opts.ActionName.empty()) { 425 Res.push_back("-plugin"); 426 Res.push_back(Opts.ActionName); 427 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 428 Res.push_back("-plugin-arg-" + Opts.ActionName); 429 Res.push_back(Opts.PluginArgs[i]); 430 } 431 } 432 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 433 Res.push_back("-load"); 434 Res.push_back(Opts.Plugins[i]); 435 } 436 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 437 Res.push_back("-ast-merge"); 438 Res.push_back(Opts.ASTMergeFiles[i]); 439 } 440 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 441 Res.push_back("-import-module"); 442 Res.push_back(Opts.Modules[i]); 443 } 444 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 445 Res.push_back("-mllvm"); 446 Res.push_back(Opts.LLVMArgs[i]); 447 } 448 } 449 450 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 451 std::vector<std::string> &Res) { 452 if (Opts.Sysroot != "/") { 453 Res.push_back("-isysroot"); 454 Res.push_back(Opts.Sysroot); 455 } 456 457 for (unsigned i = 0, e = Opts.CXXSystemIncludes.size(); i != e; ++i) { 458 Res.push_back("-cxx-system-include"); 459 Res.push_back(Opts.CXXSystemIncludes[i]); 460 } 461 462 /// User specified include entries. 463 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 464 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 465 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 466 llvm::report_fatal_error("Invalid option set!"); 467 if (E.IsUserSupplied) { 468 if (E.Group == frontend::After) { 469 Res.push_back("-idirafter"); 470 } else if (E.Group == frontend::Quoted) { 471 Res.push_back("-iquote"); 472 } else if (E.Group == frontend::System) { 473 Res.push_back("-isystem"); 474 } else { 475 assert(E.Group == frontend::Angled && "Invalid group!"); 476 Res.push_back(E.IsFramework ? "-F" : "-I"); 477 } 478 } else { 479 if (E.Group != frontend::Angled && E.Group != frontend::System) 480 llvm::report_fatal_error("Invalid option set!"); 481 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 482 "-iwithprefix"); 483 } 484 Res.push_back(E.Path); 485 } 486 487 if (!Opts.EnvIncPath.empty()) { 488 // FIXME: Provide an option for this, and move env detection to driver. 489 llvm::report_fatal_error("Not yet implemented!"); 490 } 491 if (!Opts.CEnvIncPath.empty()) { 492 // FIXME: Provide an option for this, and move env detection to driver. 493 llvm::report_fatal_error("Not yet implemented!"); 494 } 495 if (!Opts.ObjCEnvIncPath.empty()) { 496 // FIXME: Provide an option for this, and move env detection to driver. 497 llvm::report_fatal_error("Not yet implemented!"); 498 } 499 if (!Opts.CXXEnvIncPath.empty()) { 500 // FIXME: Provide an option for this, and move env detection to driver. 501 llvm::report_fatal_error("Not yet implemented!"); 502 } 503 if (!Opts.ObjCXXEnvIncPath.empty()) { 504 // FIXME: Provide an option for this, and move env detection to driver. 505 llvm::report_fatal_error("Not yet implemented!"); 506 } 507 if (!Opts.ResourceDir.empty()) { 508 Res.push_back("-resource-dir"); 509 Res.push_back(Opts.ResourceDir); 510 } 511 if (!Opts.UseStandardIncludes) 512 Res.push_back("-nostdinc"); 513 if (!Opts.UseStandardCXXIncludes) 514 Res.push_back("-nostdinc++"); 515 if (Opts.Verbose) 516 Res.push_back("-v"); 517 } 518 519 static void LangOptsToArgs(const LangOptions &Opts, 520 std::vector<std::string> &Res) { 521 LangOptions DefaultLangOpts; 522 523 // FIXME: Need to set -std to get all the implicit options. 524 525 // FIXME: We want to only pass options relative to the defaults, which 526 // requires constructing a target. :( 527 // 528 // It would be better to push the all target specific choices into the driver, 529 // so that everything below that was more uniform. 530 531 if (Opts.Trigraphs) 532 Res.push_back("-trigraphs"); 533 // Implicit based on the input kind: 534 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 535 // Implicit based on the input language standard: 536 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 537 if (Opts.DollarIdents) 538 Res.push_back("-fdollars-in-identifiers"); 539 if (Opts.GNUMode && !Opts.GNUKeywords) 540 Res.push_back("-fno-gnu-keywords"); 541 if (!Opts.GNUMode && Opts.GNUKeywords) 542 Res.push_back("-fgnu-keywords"); 543 if (Opts.Microsoft) 544 Res.push_back("-fms-extensions"); 545 if (Opts.MSCVersion != 0) 546 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 547 if (Opts.Borland) 548 Res.push_back("-fborland-extensions"); 549 if (Opts.ObjCNonFragileABI) 550 Res.push_back("-fobjc-nonfragile-abi"); 551 if (Opts.ObjCNonFragileABI2) 552 Res.push_back("-fobjc-nonfragile-abi"); 553 if (Opts.ObjCDefaultSynthProperties) 554 Res.push_back("-fobjc-default-synthesize-properties"); 555 // NoInline is implicit. 556 if (!Opts.CXXOperatorNames) 557 Res.push_back("-fno-operator-names"); 558 if (Opts.PascalStrings) 559 Res.push_back("-fpascal-strings"); 560 if (Opts.CatchUndefined) 561 Res.push_back("-fcatch-undefined-behavior"); 562 if (Opts.WritableStrings) 563 Res.push_back("-fwritable-strings"); 564 if (Opts.ConstStrings) 565 Res.push_back("-Wwrite-strings"); 566 if (!Opts.LaxVectorConversions) 567 Res.push_back("-fno-lax-vector-conversions"); 568 if (Opts.AltiVec) 569 Res.push_back("-faltivec"); 570 if (Opts.Exceptions) 571 Res.push_back("-fexceptions"); 572 if (Opts.SjLjExceptions) 573 Res.push_back("-fsjlj-exceptions"); 574 if (!Opts.RTTI) 575 Res.push_back("-fno-rtti"); 576 if (!Opts.NeXTRuntime) 577 Res.push_back("-fgnu-runtime"); 578 if (Opts.Freestanding) 579 Res.push_back("-ffreestanding"); 580 if (Opts.NoBuiltin) 581 Res.push_back("-fno-builtin"); 582 if (!Opts.AssumeSaneOperatorNew) 583 Res.push_back("-fno-assume-sane-operator-new"); 584 if (!Opts.ThreadsafeStatics) 585 Res.push_back("-fno-threadsafe-statics"); 586 if (Opts.POSIXThreads) 587 Res.push_back("-pthread"); 588 if (Opts.Blocks) 589 Res.push_back("-fblocks"); 590 if (Opts.EmitAllDecls) 591 Res.push_back("-femit-all-decls"); 592 if (Opts.MathErrno) 593 Res.push_back("-fmath-errno"); 594 switch (Opts.getSignedOverflowBehavior()) { 595 case LangOptions::SOB_Undefined: break; 596 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 597 case LangOptions::SOB_Trapping: 598 Res.push_back("-ftrapv"); break; 599 if (!Opts.OverflowHandler.empty()) { 600 Res.push_back("-ftrapv-handler"); 601 Res.push_back(Opts.OverflowHandler); 602 } 603 } 604 if (Opts.HeinousExtensions) 605 Res.push_back("-fheinous-gnu-extensions"); 606 // Optimize is implicit. 607 // OptimizeSize is implicit. 608 if (Opts.Static) 609 Res.push_back("-static-define"); 610 if (Opts.DumpRecordLayouts) 611 Res.push_back("-fdump-record-layouts"); 612 if (Opts.DumpVTableLayouts) 613 Res.push_back("-fdump-vtable-layouts"); 614 if (Opts.NoBitFieldTypeAlign) 615 Res.push_back("-fno-bitfield-type-alignment"); 616 if (Opts.SjLjExceptions) 617 Res.push_back("-fsjlj-exceptions"); 618 if (Opts.PICLevel) { 619 Res.push_back("-pic-level"); 620 Res.push_back(llvm::utostr(Opts.PICLevel)); 621 } 622 if (Opts.ObjCGCBitmapPrint) 623 Res.push_back("-print-ivar-layout"); 624 if (Opts.NoConstantCFStrings) 625 Res.push_back("-fno-constant-cfstrings"); 626 if (!Opts.AccessControl) 627 Res.push_back("-fno-access-control"); 628 if (!Opts.CharIsSigned) 629 Res.push_back("-fno-signed-char"); 630 if (Opts.ShortWChar) 631 Res.push_back("-fshort-wchar"); 632 if (!Opts.ElideConstructors) 633 Res.push_back("-fno-elide-constructors"); 634 if (Opts.getGCMode() != LangOptions::NonGC) { 635 if (Opts.getGCMode() == LangOptions::HybridGC) { 636 Res.push_back("-fobjc-gc"); 637 } else { 638 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 639 Res.push_back("-fobjc-gc-only"); 640 } 641 } 642 if (Opts.AppleKext) 643 Res.push_back("-fapple-kext"); 644 645 if (Opts.getVisibilityMode() != DefaultVisibility) { 646 Res.push_back("-fvisibility"); 647 if (Opts.getVisibilityMode() == HiddenVisibility) { 648 Res.push_back("hidden"); 649 } else { 650 assert(Opts.getVisibilityMode() == ProtectedVisibility && 651 "Invalid visibility!"); 652 Res.push_back("protected"); 653 } 654 } 655 if (Opts.InlineVisibilityHidden) 656 Res.push_back("-fvisibility-inlines-hidden"); 657 658 if (Opts.getStackProtectorMode() != 0) { 659 Res.push_back("-stack-protector"); 660 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 661 } 662 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 663 Res.push_back("-ftemplate-depth"); 664 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 665 } 666 if (!Opts.ObjCConstantStringClass.empty()) { 667 Res.push_back("-fconstant-string-class"); 668 Res.push_back(Opts.ObjCConstantStringClass); 669 } 670 } 671 672 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 673 std::vector<std::string> &Res) { 674 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 675 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 676 Opts.Macros[i].first); 677 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 678 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 679 Res.push_back("-include"); 680 Res.push_back(Opts.Includes[i]); 681 } 682 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 683 Res.push_back("-imacros"); 684 Res.push_back(Opts.MacroIncludes[i]); 685 } 686 if (!Opts.UsePredefines) 687 Res.push_back("-undef"); 688 if (Opts.DetailedRecord) 689 Res.push_back("-detailed-preprocessing-record"); 690 if (!Opts.ImplicitPCHInclude.empty()) { 691 Res.push_back("-include-pch"); 692 Res.push_back(Opts.ImplicitPCHInclude); 693 } 694 if (!Opts.ImplicitPTHInclude.empty()) { 695 Res.push_back("-include-pth"); 696 Res.push_back(Opts.ImplicitPTHInclude); 697 } 698 if (!Opts.TokenCache.empty()) { 699 if (Opts.ImplicitPTHInclude.empty()) { 700 Res.push_back("-token-cache"); 701 Res.push_back(Opts.TokenCache); 702 } else 703 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 704 "Unsupported option combination!"); 705 } 706 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 707 Res.push_back("-remap-file"); 708 Res.push_back(Opts.RemappedFiles[i].first + ";" + 709 Opts.RemappedFiles[i].second); 710 } 711 } 712 713 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 714 std::vector<std::string> &Res) { 715 if (!Opts.ShowCPP && !Opts.ShowMacros) 716 llvm::report_fatal_error("Invalid option combination!"); 717 718 if (Opts.ShowCPP && Opts.ShowMacros) 719 Res.push_back("-dD"); 720 else if (!Opts.ShowCPP && Opts.ShowMacros) 721 Res.push_back("-dM"); 722 723 if (Opts.ShowHeaderIncludes) 724 Res.push_back("-H"); 725 if (!Opts.ShowLineMarkers) 726 Res.push_back("-P"); 727 if (Opts.ShowComments) 728 Res.push_back("-C"); 729 if (Opts.ShowMacroComments) 730 Res.push_back("-CC"); 731 } 732 733 static void TargetOptsToArgs(const TargetOptions &Opts, 734 std::vector<std::string> &Res) { 735 Res.push_back("-triple"); 736 Res.push_back(Opts.Triple); 737 if (!Opts.CPU.empty()) { 738 Res.push_back("-target-cpu"); 739 Res.push_back(Opts.CPU); 740 } 741 if (!Opts.ABI.empty()) { 742 Res.push_back("-target-abi"); 743 Res.push_back(Opts.ABI); 744 } 745 if (!Opts.LinkerVersion.empty()) { 746 Res.push_back("-target-linker-version"); 747 Res.push_back(Opts.LinkerVersion); 748 } 749 if (!Opts.CXXABI.empty()) { 750 Res.push_back("-cxx-abi"); 751 Res.push_back(Opts.CXXABI); 752 } 753 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 754 Res.push_back("-target-feature"); 755 Res.push_back(Opts.Features[i]); 756 } 757 } 758 759 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 760 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 761 CodeGenOptsToArgs(getCodeGenOpts(), Res); 762 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 763 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 764 FileSystemOptsToArgs(getFileSystemOpts(), Res); 765 FrontendOptsToArgs(getFrontendOpts(), Res); 766 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 767 LangOptsToArgs(getLangOpts(), Res); 768 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 769 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 770 TargetOptsToArgs(getTargetOpts(), Res); 771 } 772 773 //===----------------------------------------------------------------------===// 774 // Deserialization (to args) 775 //===----------------------------------------------------------------------===// 776 777 using namespace clang::driver; 778 using namespace clang::driver::cc1options; 779 780 // 781 782 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 783 Diagnostic &Diags) { 784 unsigned DefaultOpt = 0; 785 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 786 DefaultOpt = 2; 787 // -Os implies -O2 788 return Args.hasArg(OPT_Os) ? 2 : 789 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 790 } 791 792 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 793 Diagnostic &Diags) { 794 using namespace cc1options; 795 796 Opts.AnalysisList.clear(); 797 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 798 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 799 #include "clang/Frontend/Analyses.def" 800 801 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 802 llvm::StringRef Name = A->getValue(Args); 803 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 804 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 805 .Case(CMDFLAG, NAME##Model) 806 #include "clang/Frontend/Analyses.def" 807 .Default(NumStores); 808 // FIXME: Error handling. 809 if (Value == NumStores) 810 Diags.Report(diag::err_drv_invalid_value) 811 << A->getAsString(Args) << Name; 812 else 813 Opts.AnalysisStoreOpt = Value; 814 } 815 816 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 817 llvm::StringRef Name = A->getValue(Args); 818 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 819 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 820 .Case(CMDFLAG, NAME##Model) 821 #include "clang/Frontend/Analyses.def" 822 .Default(NumConstraints); 823 // FIXME: Error handling. 824 if (Value == NumConstraints) 825 Diags.Report(diag::err_drv_invalid_value) 826 << A->getAsString(Args) << Name; 827 else 828 Opts.AnalysisConstraintsOpt = Value; 829 } 830 831 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 832 llvm::StringRef Name = A->getValue(Args); 833 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 834 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 835 .Case(CMDFLAG, PD_##NAME) 836 #include "clang/Frontend/Analyses.def" 837 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 838 // FIXME: Error handling. 839 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 840 Diags.Report(diag::err_drv_invalid_value) 841 << A->getAsString(Args) << Name; 842 else 843 Opts.AnalysisDiagOpt = Value; 844 } 845 846 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 847 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 848 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 849 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 850 Opts.AnalyzeNestedBlocks = 851 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 852 Opts.AnalyzerStats = Args.hasArg(OPT_analysis_AnalyzerStats); 853 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 854 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 855 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 856 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 857 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 858 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 859 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 860 Opts.EnableExperimentalInternalChecks = 861 Args.hasArg(OPT_analyzer_experimental_internal_checks); 862 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 863 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 864 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 865 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 866 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 867 Opts.BufferOverflows = Args.hasArg(OPT_analysis_WarnBufferOverflows); 868 } 869 870 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 871 Diagnostic &Diags) { 872 using namespace cc1options; 873 874 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 875 if (Opts.OptimizationLevel > 3) { 876 Diags.Report(diag::err_drv_invalid_value) 877 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 878 Opts.OptimizationLevel = 3; 879 } 880 881 // We must always run at least the always inlining pass. 882 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 883 : CodeGenOptions::OnlyAlwaysInlining; 884 885 Opts.DebugInfo = Args.hasArg(OPT_g); 886 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 887 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 888 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 889 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 890 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 891 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 892 Opts.NoCommon = Args.hasArg(OPT_fno_common); 893 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 894 Opts.OptimizeSize = Args.hasArg(OPT_Os); 895 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 896 Args.hasArg(OPT_ffreestanding)); 897 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 898 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 899 900 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 901 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 902 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 903 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 904 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 905 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 906 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 907 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 908 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 909 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 910 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 911 Args.hasArg(OPT_cl_fast_relaxed_math); 912 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 913 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 914 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 915 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 916 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 917 Args.hasArg(OPT_cl_fast_relaxed_math); 918 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 919 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 920 921 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 922 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 923 924 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 925 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 926 927 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 928 929 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 930 llvm::StringRef Name = A->getValue(Args); 931 unsigned Method = llvm::StringSwitch<unsigned>(Name) 932 .Case("legacy", CodeGenOptions::Legacy) 933 .Case("non-legacy", CodeGenOptions::NonLegacy) 934 .Case("mixed", CodeGenOptions::Mixed) 935 .Default(~0U); 936 if (Method == ~0U) 937 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 938 else 939 Opts.ObjCDispatchMethod = Method; 940 } 941 } 942 943 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 944 ArgList &Args) { 945 using namespace cc1options; 946 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 947 Opts.Targets = Args.getAllArgValues(OPT_MT); 948 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 949 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 950 } 951 952 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 953 Diagnostic &Diags) { 954 using namespace cc1options; 955 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 956 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 957 Opts.Pedantic = Args.hasArg(OPT_pedantic); 958 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 959 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 960 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 961 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 962 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 963 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 964 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 965 966 llvm::StringRef ShowOverloads = 967 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 968 if (ShowOverloads == "best") 969 Opts.ShowOverloads = Diagnostic::Ovl_Best; 970 else if (ShowOverloads == "all") 971 Opts.ShowOverloads = Diagnostic::Ovl_All; 972 else 973 Diags.Report(diag::err_drv_invalid_value) 974 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 975 << ShowOverloads; 976 977 llvm::StringRef ShowCategory = 978 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 979 if (ShowCategory == "none") 980 Opts.ShowCategories = 0; 981 else if (ShowCategory == "id") 982 Opts.ShowCategories = 1; 983 else if (ShowCategory == "name") 984 Opts.ShowCategories = 2; 985 else 986 Diags.Report(diag::err_drv_invalid_value) 987 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 988 << ShowCategory; 989 990 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 991 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 992 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 993 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 994 Opts.MacroBacktraceLimit 995 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 996 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 997 Opts.TemplateBacktraceLimit 998 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 999 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1000 Diags); 1001 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1002 DiagnosticOptions::DefaultTabStop, Diags); 1003 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1004 Diags.Report(diag::warn_ignoring_ftabstop_value) 1005 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1006 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1007 } 1008 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1009 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1010 Opts.Warnings = Args.getAllArgValues(OPT_W); 1011 } 1012 1013 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1014 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1015 } 1016 1017 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1018 Diagnostic &Diags) { 1019 using namespace cc1options; 1020 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1021 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1022 switch (A->getOption().getID()) { 1023 default: 1024 assert(0 && "Invalid option in group!"); 1025 case OPT_ast_dump: 1026 Opts.ProgramAction = frontend::ASTDump; break; 1027 case OPT_ast_dump_xml: 1028 Opts.ProgramAction = frontend::ASTDumpXML; break; 1029 case OPT_ast_print: 1030 Opts.ProgramAction = frontend::ASTPrint; break; 1031 case OPT_ast_print_xml: 1032 Opts.ProgramAction = frontend::ASTPrintXML; break; 1033 case OPT_ast_view: 1034 Opts.ProgramAction = frontend::ASTView; break; 1035 case OPT_boostcon: 1036 Opts.ProgramAction = frontend::BoostCon; break; 1037 case OPT_dump_raw_tokens: 1038 Opts.ProgramAction = frontend::DumpRawTokens; break; 1039 case OPT_dump_tokens: 1040 Opts.ProgramAction = frontend::DumpTokens; break; 1041 case OPT_S: 1042 Opts.ProgramAction = frontend::EmitAssembly; break; 1043 case OPT_emit_llvm_bc: 1044 Opts.ProgramAction = frontend::EmitBC; break; 1045 case OPT_emit_html: 1046 Opts.ProgramAction = frontend::EmitHTML; break; 1047 case OPT_emit_llvm: 1048 Opts.ProgramAction = frontend::EmitLLVM; break; 1049 case OPT_emit_llvm_only: 1050 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1051 case OPT_emit_codegen_only: 1052 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1053 case OPT_emit_obj: 1054 Opts.ProgramAction = frontend::EmitObj; break; 1055 case OPT_fixit_EQ: 1056 Opts.FixItSuffix = A->getValue(Args); 1057 // fall-through! 1058 case OPT_fixit: 1059 Opts.ProgramAction = frontend::FixIt; break; 1060 case OPT_emit_pch: 1061 Opts.ProgramAction = frontend::GeneratePCH; break; 1062 case OPT_emit_pth: 1063 Opts.ProgramAction = frontend::GeneratePTH; break; 1064 case OPT_init_only: 1065 Opts.ProgramAction = frontend::InitOnly; break; 1066 case OPT_fsyntax_only: 1067 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1068 case OPT_print_decl_contexts: 1069 Opts.ProgramAction = frontend::PrintDeclContext; break; 1070 case OPT_print_preamble: 1071 Opts.ProgramAction = frontend::PrintPreamble; break; 1072 case OPT_E: 1073 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1074 case OPT_rewrite_macros: 1075 Opts.ProgramAction = frontend::RewriteMacros; break; 1076 case OPT_rewrite_objc: 1077 Opts.ProgramAction = frontend::RewriteObjC; break; 1078 case OPT_rewrite_test: 1079 Opts.ProgramAction = frontend::RewriteTest; break; 1080 case OPT_analyze: 1081 Opts.ProgramAction = frontend::RunAnalysis; break; 1082 case OPT_Eonly: 1083 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1084 case OPT_create_module: 1085 Opts.ProgramAction = frontend::CreateModule; break; 1086 } 1087 } 1088 1089 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1090 Opts.Plugins.push_back(A->getValue(Args,0)); 1091 Opts.ProgramAction = frontend::PluginAction; 1092 Opts.ActionName = A->getValue(Args); 1093 1094 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1095 end = Args.filtered_end(); it != end; ++it) { 1096 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1097 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1098 } 1099 } 1100 1101 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1102 Opts.CodeCompletionAt = 1103 ParsedSourceLocation::FromString(A->getValue(Args)); 1104 if (Opts.CodeCompletionAt.FileName.empty()) 1105 Diags.Report(diag::err_drv_invalid_value) 1106 << A->getAsString(Args) << A->getValue(Args); 1107 } 1108 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1109 1110 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1111 Opts.Plugins = Args.getAllArgValues(OPT_load); 1112 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1113 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1114 Opts.ShowHelp = Args.hasArg(OPT_help); 1115 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1116 Opts.ShowCodePatternsInCodeCompletion 1117 = Args.hasArg(OPT_code_completion_patterns); 1118 Opts.ShowGlobalSymbolsInCodeCompletion 1119 = !Args.hasArg(OPT_no_code_completion_globals); 1120 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1121 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1122 Opts.ShowVersion = Args.hasArg(OPT_version); 1123 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1124 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1125 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1126 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1127 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1128 1129 InputKind DashX = IK_None; 1130 if (const Arg *A = Args.getLastArg(OPT_x)) { 1131 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1132 .Case("c", IK_C) 1133 .Case("cl", IK_OpenCL) 1134 .Case("c", IK_C) 1135 .Case("cl", IK_OpenCL) 1136 .Case("cuda", IK_CUDA) 1137 .Case("c++", IK_CXX) 1138 .Case("objective-c", IK_ObjC) 1139 .Case("objective-c++", IK_ObjCXX) 1140 .Case("cpp-output", IK_PreprocessedC) 1141 .Case("assembler-with-cpp", IK_Asm) 1142 .Case("c++-cpp-output", IK_PreprocessedCXX) 1143 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1144 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1145 .Case("c-header", IK_C) 1146 .Case("objective-c-header", IK_ObjC) 1147 .Case("c++-header", IK_CXX) 1148 .Case("objective-c++-header", IK_ObjCXX) 1149 .Case("ast", IK_AST) 1150 .Case("ir", IK_LLVM_IR) 1151 .Default(IK_None); 1152 if (DashX == IK_None) 1153 Diags.Report(diag::err_drv_invalid_value) 1154 << A->getAsString(Args) << A->getValue(Args); 1155 } 1156 1157 // '-' is the default input if none is given. 1158 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1159 Opts.Inputs.clear(); 1160 if (Inputs.empty()) 1161 Inputs.push_back("-"); 1162 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1163 InputKind IK = DashX; 1164 if (IK == IK_None) { 1165 IK = FrontendOptions::getInputKindForExtension( 1166 llvm::StringRef(Inputs[i]).rsplit('.').second); 1167 // FIXME: Remove this hack. 1168 if (i == 0) 1169 DashX = IK; 1170 } 1171 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1172 } 1173 1174 return DashX; 1175 } 1176 1177 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1178 void *MainAddr) { 1179 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1180 1181 if (!P.isEmpty()) { 1182 P.eraseComponent(); // Remove /clang from foo/bin/clang 1183 P.eraseComponent(); // Remove /bin from foo/bin 1184 1185 // Get foo/lib/clang/<version>/include 1186 P.appendComponent("lib"); 1187 P.appendComponent("clang"); 1188 P.appendComponent(CLANG_VERSION_STRING); 1189 } 1190 1191 return P.str(); 1192 } 1193 1194 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1195 using namespace cc1options; 1196 Opts.CXXSystemIncludes = Args.getAllArgValues(OPT_cxx_system_include); 1197 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1198 Opts.Verbose = Args.hasArg(OPT_v); 1199 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1200 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1201 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1202 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1203 1204 // Add -I... and -F... options in order. 1205 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1206 ie = Args.filtered_end(); it != ie; ++it) 1207 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1208 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1209 1210 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1211 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1212 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1213 OPT_iwithprefixbefore), 1214 ie = Args.filtered_end(); it != ie; ++it) { 1215 const Arg *A = *it; 1216 if (A->getOption().matches(OPT_iprefix)) 1217 Prefix = A->getValue(Args); 1218 else if (A->getOption().matches(OPT_iwithprefix)) 1219 Opts.AddPath(Prefix.str() + A->getValue(Args), 1220 frontend::System, false, false, true); 1221 else 1222 Opts.AddPath(Prefix.str() + A->getValue(Args), 1223 frontend::Angled, false, false, true); 1224 } 1225 1226 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1227 ie = Args.filtered_end(); it != ie; ++it) 1228 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1229 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1230 ie = Args.filtered_end(); it != ie; ++it) 1231 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1232 for (arg_iterator it = Args.filtered_begin(OPT_isystem, OPT_iwithsysroot), 1233 ie = Args.filtered_end(); it != ie; ++it) 1234 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1235 (*it)->getOption().matches(OPT_iwithsysroot)); 1236 1237 // FIXME: Need options for the various environment variables! 1238 } 1239 1240 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1241 LangStandard::Kind LangStd) { 1242 // Set some properties which depend soley on the input kind; it would be nice 1243 // to move these to the language standard, and have the driver resolve the 1244 // input kind + language standard. 1245 if (IK == IK_Asm) { 1246 Opts.AsmPreprocessor = 1; 1247 } else if (IK == IK_ObjC || 1248 IK == IK_ObjCXX || 1249 IK == IK_PreprocessedObjC || 1250 IK == IK_PreprocessedObjCXX) { 1251 Opts.ObjC1 = Opts.ObjC2 = 1; 1252 } 1253 1254 if (LangStd == LangStandard::lang_unspecified) { 1255 // Based on the base language, pick one. 1256 switch (IK) { 1257 case IK_None: 1258 case IK_AST: 1259 case IK_LLVM_IR: 1260 assert(0 && "Invalid input kind!"); 1261 case IK_OpenCL: 1262 LangStd = LangStandard::lang_opencl; 1263 break; 1264 case IK_CUDA: 1265 LangStd = LangStandard::lang_cuda; 1266 break; 1267 case IK_Asm: 1268 case IK_C: 1269 case IK_PreprocessedC: 1270 case IK_ObjC: 1271 case IK_PreprocessedObjC: 1272 LangStd = LangStandard::lang_gnu99; 1273 break; 1274 case IK_CXX: 1275 case IK_PreprocessedCXX: 1276 case IK_ObjCXX: 1277 case IK_PreprocessedObjCXX: 1278 LangStd = LangStandard::lang_gnucxx98; 1279 break; 1280 } 1281 } 1282 1283 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1284 Opts.BCPLComment = Std.hasBCPLComments(); 1285 Opts.C99 = Std.isC99(); 1286 Opts.CPlusPlus = Std.isCPlusPlus(); 1287 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1288 Opts.Digraphs = Std.hasDigraphs(); 1289 Opts.GNUMode = Std.isGNUMode(); 1290 Opts.GNUInline = !Std.isC99(); 1291 Opts.HexFloats = Std.hasHexFloats(); 1292 Opts.ImplicitInt = Std.hasImplicitInt(); 1293 1294 // OpenCL has some additional defaults. 1295 if (LangStd == LangStandard::lang_opencl) { 1296 Opts.OpenCL = 1; 1297 Opts.AltiVec = 1; 1298 Opts.CXXOperatorNames = 1; 1299 Opts.LaxVectorConversions = 1; 1300 } 1301 1302 if (LangStd == LangStandard::lang_cuda) 1303 Opts.CUDA = 1; 1304 1305 // OpenCL and C++ both have bool, true, false keywords. 1306 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1307 1308 Opts.GNUKeywords = Opts.GNUMode; 1309 Opts.CXXOperatorNames = Opts.CPlusPlus; 1310 1311 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1312 // is specified, or -std is set to a conforming mode. 1313 Opts.Trigraphs = !Opts.GNUMode; 1314 1315 Opts.DollarIdents = !Opts.AsmPreprocessor; 1316 } 1317 1318 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1319 Diagnostic &Diags) { 1320 // FIXME: Cleanup per-file based stuff. 1321 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1322 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1323 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1324 #define LANGSTANDARD(id, name, desc, features) \ 1325 .Case(name, LangStandard::lang_##id) 1326 #include "clang/Frontend/LangStandards.def" 1327 .Default(LangStandard::lang_unspecified); 1328 if (LangStd == LangStandard::lang_unspecified) 1329 Diags.Report(diag::err_drv_invalid_value) 1330 << A->getAsString(Args) << A->getValue(Args); 1331 } 1332 1333 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1334 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1335 Diags.Report(diag::err_drv_invalid_value) 1336 << A->getAsString(Args) << A->getValue(Args); 1337 } 1338 } 1339 1340 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1341 1342 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1343 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1344 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1345 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1346 // name, as it doesn't seem a useful distinction. 1347 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1348 Opts.GNUKeywords); 1349 1350 if (Args.hasArg(OPT_fno_operator_names)) 1351 Opts.CXXOperatorNames = 0; 1352 1353 if (Args.hasArg(OPT_fobjc_gc_only)) 1354 Opts.setGCMode(LangOptions::GCOnly); 1355 else if (Args.hasArg(OPT_fobjc_gc)) 1356 Opts.setGCMode(LangOptions::HybridGC); 1357 1358 if (Args.hasArg(OPT_fapple_kext)) 1359 Opts.AppleKext = 1; 1360 if (Args.hasArg(OPT_print_ivar_layout)) 1361 Opts.ObjCGCBitmapPrint = 1; 1362 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1363 Opts.NoConstantCFStrings = 1; 1364 1365 if (Args.hasArg(OPT_faltivec)) 1366 Opts.AltiVec = 1; 1367 1368 if (Args.hasArg(OPT_pthread)) 1369 Opts.POSIXThreads = 1; 1370 1371 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1372 if (Vis == "default") 1373 Opts.setVisibilityMode(DefaultVisibility); 1374 else if (Vis == "hidden") 1375 Opts.setVisibilityMode(HiddenVisibility); 1376 else if (Vis == "protected") 1377 Opts.setVisibilityMode(ProtectedVisibility); 1378 else 1379 Diags.Report(diag::err_drv_invalid_value) 1380 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1381 1382 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1383 Opts.InlineVisibilityHidden = 1; 1384 1385 if (Args.hasArg(OPT_ftrapv)) { 1386 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1387 // Set the handler, if one is specified. 1388 Opts.OverflowHandler = 1389 Args.getLastArgValue(OPT_ftrapv_handler); 1390 } 1391 else if (Args.hasArg(OPT_fwrapv)) 1392 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1393 1394 if (Args.hasArg(OPT_trigraphs)) 1395 Opts.Trigraphs = 1; 1396 1397 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1398 OPT_fno_dollars_in_identifiers, 1399 Opts.DollarIdents); 1400 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1401 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1402 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1403 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1404 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1405 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1406 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1407 Opts.LaxVectorConversions = 0; 1408 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1409 Opts.ThreadsafeStatics = 0; 1410 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1411 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1412 Opts.Blocks = Args.hasArg(OPT_fblocks); 1413 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1414 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1415 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1416 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1417 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1418 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1419 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1420 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1421 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1422 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1423 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1424 Diags); 1425 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1426 0, Diags); 1427 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1428 Opts.ObjCConstantStringClass = 1429 Args.getLastArgValue(OPT_fconstant_string_class); 1430 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1431 if (Opts.ObjCNonFragileABI) 1432 Opts.ObjCNonFragileABI2 = true; 1433 Opts.ObjCDefaultSynthProperties = 1434 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1435 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1436 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1437 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1438 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1439 Opts.Static = Args.hasArg(OPT_static_define); 1440 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1441 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1442 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1443 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1444 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1445 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1446 Opts.OptimizeSize = 0; 1447 1448 // FIXME: Eliminate this dependency. 1449 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1450 Opts.Optimize = Opt != 0; 1451 1452 // This is the __NO_INLINE__ define, which just depends on things like the 1453 // optimization level and -fno-inline, not actually whether the backend has 1454 // inlining enabled. 1455 // 1456 // FIXME: This is affected by other options (-fno-inline). 1457 Opts.NoInline = !Opt; 1458 1459 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1460 switch (SSP) { 1461 default: 1462 Diags.Report(diag::err_drv_invalid_value) 1463 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1464 break; 1465 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1466 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1467 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1468 } 1469 } 1470 1471 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1472 FileManager &FileMgr, 1473 Diagnostic &Diags) { 1474 using namespace cc1options; 1475 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1476 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1477 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1478 Opts.TokenCache = A->getValue(Args); 1479 else 1480 Opts.TokenCache = Opts.ImplicitPTHInclude; 1481 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1482 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1483 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1484 1485 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1486 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1487 ie = Args.filtered_end(); it != ie; ++it) { 1488 const Arg *A = *it; 1489 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1490 } 1491 1492 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1493 llvm::StringRef Value(A->getValue(Args)); 1494 size_t Comma = Value.find(','); 1495 unsigned Bytes = 0; 1496 unsigned EndOfLine = 0; 1497 1498 if (Comma == llvm::StringRef::npos || 1499 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1500 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1501 Diags.Report(diag::err_drv_preamble_format); 1502 else { 1503 Opts.PrecompiledPreambleBytes.first = Bytes; 1504 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1505 } 1506 } 1507 1508 // Add macros from the command line. 1509 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1510 ie = Args.filtered_end(); it != ie; ++it) { 1511 if ((*it)->getOption().matches(OPT_D)) 1512 Opts.addMacroDef((*it)->getValue(Args)); 1513 else 1514 Opts.addMacroUndef((*it)->getValue(Args)); 1515 } 1516 1517 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1518 1519 // Add the ordered list of -includes. 1520 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1521 OPT_include_pth), 1522 ie = Args.filtered_end(); it != ie; ++it) { 1523 const Arg *A = *it; 1524 // PCH is handled specially, we need to extra the original include path. 1525 if (A->getOption().matches(OPT_include_pch)) { 1526 std::string OriginalFile = 1527 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1528 if (OriginalFile.empty()) 1529 continue; 1530 1531 Opts.Includes.push_back(OriginalFile); 1532 } else 1533 Opts.Includes.push_back(A->getValue(Args)); 1534 } 1535 1536 // Include 'altivec.h' if -faltivec option present 1537 if (Args.hasArg(OPT_faltivec)) 1538 Opts.Includes.push_back("altivec.h"); 1539 1540 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1541 ie = Args.filtered_end(); it != ie; ++it) { 1542 const Arg *A = *it; 1543 std::pair<llvm::StringRef,llvm::StringRef> Split = 1544 llvm::StringRef(A->getValue(Args)).split(';'); 1545 1546 if (Split.second.empty()) { 1547 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1548 continue; 1549 } 1550 1551 Opts.addRemappedFile(Split.first, Split.second); 1552 } 1553 } 1554 1555 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1556 ArgList &Args) { 1557 using namespace cc1options; 1558 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1559 Opts.ShowComments = Args.hasArg(OPT_C); 1560 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1561 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1562 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1563 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1564 } 1565 1566 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1567 using namespace cc1options; 1568 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1569 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1570 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1571 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1572 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1573 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1574 1575 // Use the host triple if unspecified. 1576 if (Opts.Triple.empty()) 1577 Opts.Triple = llvm::sys::getHostTriple(); 1578 } 1579 1580 // 1581 1582 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1583 const char *const *ArgBegin, 1584 const char *const *ArgEnd, 1585 Diagnostic &Diags) { 1586 // Parse the arguments. 1587 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1588 unsigned MissingArgIndex, MissingArgCount; 1589 llvm::OwningPtr<InputArgList> Args( 1590 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1591 1592 // Check for missing argument error. 1593 if (MissingArgCount) 1594 Diags.Report(diag::err_drv_missing_argument) 1595 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1596 1597 // Issue errors on unknown arguments. 1598 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1599 ie = Args->filtered_end(); it != ie; ++it) 1600 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1601 1602 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1603 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1604 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1605 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1606 // FIXME: We shouldn't have to pass the DashX option around here 1607 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1608 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1609 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1610 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1611 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1612 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1613 // PCH file and find the original header name. Remove the need to do that in 1614 // ParsePreprocessorArgs and remove the FileManager 1615 // parameters from the function and the "FileManager.h" #include. 1616 FileManager FileMgr(Res.getFileSystemOpts()); 1617 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1618 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1619 ParseTargetArgs(Res.getTargetOpts(), *Args); 1620 } 1621