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/Driver/Arg.h" 14 #include "clang/Driver/ArgList.h" 15 #include "clang/Driver/CC1Options.h" 16 #include "clang/Driver/DriverDiagnostic.h" 17 #include "clang/Driver/OptTable.h" 18 #include "clang/Driver/Option.h" 19 #include "clang/Frontend/CompilerInvocation.h" 20 #include "clang/Frontend/LangStandard.h" 21 #include "clang/Frontend/PCHReader.h" 22 #include "llvm/ADT/OwningPtr.h" 23 #include "llvm/ADT/SmallVector.h" 24 #include "llvm/ADT/StringExtras.h" 25 #include "llvm/ADT/StringSwitch.h" 26 #include "llvm/Support/ErrorHandling.h" 27 #include "llvm/System/Host.h" 28 #include "llvm/System/Path.h" 29 using namespace clang; 30 31 static const char *getAnalysisName(Analyses Kind) { 32 switch (Kind) { 33 default: 34 llvm_unreachable("Unknown analysis kind!"); 35 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 36 case NAME: return "-" CMDFLAG; 37 #include "clang/Frontend/Analyses.def" 38 } 39 } 40 41 static const char *getAnalysisStoreName(AnalysisStores Kind) { 42 switch (Kind) { 43 default: 44 llvm_unreachable("Unknown analysis store!"); 45 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 46 case NAME##Model: return CMDFLAG; 47 #include "clang/Frontend/Analyses.def" 48 } 49 } 50 51 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 52 switch (Kind) { 53 default: 54 llvm_unreachable("Unknown analysis constraints!"); 55 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 56 case NAME##Model: return CMDFLAG; 57 #include "clang/Frontend/Analyses.def" 58 } 59 } 60 61 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 62 switch (Kind) { 63 default: 64 llvm_unreachable("Unknown analysis client!"); 65 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 66 case PD_##NAME: return CMDFLAG; 67 #include "clang/Frontend/Analyses.def" 68 } 69 } 70 71 //===----------------------------------------------------------------------===// 72 // Serialization (to args) 73 //===----------------------------------------------------------------------===// 74 75 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 76 std::vector<std::string> &Res) { 77 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 78 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 79 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 80 Res.push_back("-analyzer-store"); 81 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 82 } 83 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 84 Res.push_back("-analyzer-constraints"); 85 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 86 } 87 if (Opts.AnalysisDiagOpt != PD_HTML) { 88 Res.push_back("-analyzer-output"); 89 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 90 } 91 if (!Opts.AnalyzeSpecificFunction.empty()) { 92 Res.push_back("-analyze-function"); 93 Res.push_back(Opts.AnalyzeSpecificFunction); 94 } 95 if (Opts.AnalyzeAll) 96 Res.push_back("-analyzer-opt-analyze-headers"); 97 if (Opts.AnalyzerDisplayProgress) 98 Res.push_back("-analyzer-display-progress"); 99 if (Opts.AnalyzeNestedBlocks) 100 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 101 if (Opts.EagerlyAssume) 102 Res.push_back("-analyzer-eagerly-assume"); 103 if (!Opts.PurgeDead) 104 Res.push_back("-analyzer-no-purge-dead"); 105 if (Opts.TrimGraph) 106 Res.push_back("-trim-egraph"); 107 if (Opts.VisualizeEGDot) 108 Res.push_back("-analyzer-viz-egraph-graphviz"); 109 if (Opts.VisualizeEGDot) 110 Res.push_back("-analyzer-viz-egraph-ubigraph"); 111 if (Opts.EnableExperimentalChecks) 112 Res.push_back("-analyzer-experimental-checks"); 113 if (Opts.EnableExperimentalInternalChecks) 114 Res.push_back("-analyzer-experimental-internal-checks"); 115 } 116 117 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 118 std::vector<std::string> &Res) { 119 if (Opts.DebugInfo) 120 Res.push_back("-g"); 121 if (Opts.DisableLLVMOpts) 122 Res.push_back("-disable-llvm-optzns"); 123 if (Opts.DisableRedZone) 124 Res.push_back("-disable-red-zone"); 125 if (!Opts.DwarfDebugFlags.empty()) { 126 Res.push_back("-dwarf-debug-flags"); 127 Res.push_back(Opts.DwarfDebugFlags); 128 } 129 if (!Opts.MergeAllConstants) 130 Res.push_back("-fno-merge-all-constants"); 131 if (Opts.NoCommon) 132 Res.push_back("-fno-common"); 133 if (Opts.NoImplicitFloat) 134 Res.push_back("-no-implicit-float"); 135 if (Opts.OptimizeSize) { 136 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 137 Res.push_back("-Os"); 138 } else if (Opts.OptimizationLevel != 0) 139 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 140 if (!Opts.MainFileName.empty()) { 141 Res.push_back("-main-file-name"); 142 Res.push_back(Opts.MainFileName); 143 } 144 // SimplifyLibCalls is only derived. 145 // TimePasses is only derived. 146 // UnitAtATime is unused. 147 // UnrollLoops is only derived. 148 // Inlining is only derived. 149 150 if (Opts.DataSections) 151 Res.push_back("-fdata-sections"); 152 if (Opts.FunctionSections) 153 Res.push_back("-ffunction-sections"); 154 if (Opts.AsmVerbose) 155 Res.push_back("-masm-verbose"); 156 if (!Opts.CodeModel.empty()) { 157 Res.push_back("-mcode-model"); 158 Res.push_back(Opts.CodeModel); 159 } 160 if (!Opts.CXAAtExit) 161 Res.push_back("-fno-use-cxa-atexit"); 162 if (Opts.CXXCtorDtorAliases) 163 Res.push_back("-mconstructor-aliases"); 164 if (!Opts.DebugPass.empty()) { 165 Res.push_back("-mdebug-pass"); 166 Res.push_back(Opts.DebugPass); 167 } 168 if (Opts.DisableFPElim) 169 Res.push_back("-mdisable-fp-elim"); 170 if (!Opts.FloatABI.empty()) { 171 Res.push_back("-mfloat-abi"); 172 Res.push_back(Opts.FloatABI); 173 } 174 if (!Opts.LimitFloatPrecision.empty()) { 175 Res.push_back("-mlimit-float-precision"); 176 Res.push_back(Opts.LimitFloatPrecision); 177 } 178 if (Opts.NoZeroInitializedInBSS) 179 Res.push_back("-mno-zero-initialized-bss"); 180 switch (Opts.getObjCDispatchMethod()) { 181 case CodeGenOptions::Legacy: 182 break; 183 case CodeGenOptions::Mixed: 184 Res.push_back("-fobjc-dispatch-method=mixed"); 185 break; 186 case CodeGenOptions::NonLegacy: 187 Res.push_back("-fobjc-dispatch-method=non-legacy"); 188 break; 189 } 190 if (Opts.RelaxAll) 191 Res.push_back("-mrelax-all"); 192 if (Opts.SoftFloat) 193 Res.push_back("-msoft-float"); 194 if (Opts.UnwindTables) 195 Res.push_back("-munwind-tables"); 196 if (Opts.RelocationModel != "pic") { 197 Res.push_back("-mrelocation-model"); 198 Res.push_back(Opts.RelocationModel); 199 } 200 if (!Opts.VerifyModule) 201 Res.push_back("-disable-llvm-verifier"); 202 } 203 204 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 205 std::vector<std::string> &Res) { 206 if (Opts.IncludeSystemHeaders) 207 Res.push_back("-sys-header-deps"); 208 if (Opts.UsePhonyTargets) 209 Res.push_back("-MP"); 210 if (!Opts.OutputFile.empty()) { 211 Res.push_back("-dependency-file"); 212 Res.push_back(Opts.OutputFile); 213 } 214 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 215 Res.push_back("-MT"); 216 Res.push_back(Opts.Targets[i]); 217 } 218 } 219 220 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 221 std::vector<std::string> &Res) { 222 if (Opts.IgnoreWarnings) 223 Res.push_back("-w"); 224 if (Opts.NoRewriteMacros) 225 Res.push_back("-Wno-rewrite-macros"); 226 if (Opts.Pedantic) 227 Res.push_back("-pedantic"); 228 if (Opts.PedanticErrors) 229 Res.push_back("-pedantic-errors"); 230 if (!Opts.ShowColumn) 231 Res.push_back("-fno-show-column"); 232 if (!Opts.ShowLocation) 233 Res.push_back("-fno-show-source-location"); 234 if (!Opts.ShowCarets) 235 Res.push_back("-fno-caret-diagnostics"); 236 if (!Opts.ShowFixits) 237 Res.push_back("-fno-diagnostics-fixit-info"); 238 if (Opts.ShowSourceRanges) 239 Res.push_back("-fdiagnostics-print-source-range-info"); 240 if (Opts.ShowColors) 241 Res.push_back("-fcolor-diagnostics"); 242 if (Opts.VerifyDiagnostics) 243 Res.push_back("-verify"); 244 if (Opts.BinaryOutput) 245 Res.push_back("-fdiagnostics-binary"); 246 if (Opts.ShowOptionNames) 247 Res.push_back("-fdiagnostics-show-option"); 248 if (Opts.ShowCategories == 1) 249 Res.push_back("-fdiagnostics-show-category=id"); 250 else if (Opts.ShowCategories == 2) 251 Res.push_back("-fdiagnostics-show-category=name"); 252 if (Opts.ErrorLimit) { 253 Res.push_back("-ferror-limit"); 254 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 255 } 256 if (Opts.MacroBacktraceLimit 257 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 258 Res.push_back("-fmacro-backtrace-limit"); 259 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 260 } 261 if (Opts.TemplateBacktraceLimit 262 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 263 Res.push_back("-ftemplate-backtrace-limit"); 264 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 265 } 266 267 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 268 Res.push_back("-ftabstop"); 269 Res.push_back(llvm::utostr(Opts.TabStop)); 270 } 271 if (Opts.MessageLength) { 272 Res.push_back("-fmessage-length"); 273 Res.push_back(llvm::utostr(Opts.MessageLength)); 274 } 275 if (!Opts.DumpBuildInformation.empty()) { 276 Res.push_back("-dump-build-information"); 277 Res.push_back(Opts.DumpBuildInformation); 278 } 279 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 280 Res.push_back("-W" + Opts.Warnings[i]); 281 } 282 283 static const char *getInputKindName(InputKind Kind) { 284 switch (Kind) { 285 case IK_None: break; 286 case IK_AST: return "ast"; 287 case IK_Asm: return "assembler-with-cpp"; 288 case IK_C: return "c"; 289 case IK_CXX: return "c++"; 290 case IK_LLVM_IR: return "ir"; 291 case IK_ObjC: return "objective-c"; 292 case IK_ObjCXX: return "objective-c++"; 293 case IK_OpenCL: return "cl"; 294 case IK_PreprocessedC: return "cpp-output"; 295 case IK_PreprocessedCXX: return "c++-cpp-output"; 296 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 297 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 298 } 299 300 llvm_unreachable("Unexpected language kind!"); 301 return 0; 302 } 303 304 static const char *getActionName(frontend::ActionKind Kind) { 305 switch (Kind) { 306 case frontend::PluginAction: 307 case frontend::InheritanceView: 308 llvm_unreachable("Invalid kind!"); 309 310 case frontend::ASTDump: return "-ast-dump"; 311 case frontend::ASTPrint: return "-ast-print"; 312 case frontend::ASTPrintXML: return "-ast-print-xml"; 313 case frontend::ASTView: return "-ast-view"; 314 case frontend::BoostCon: return "-boostcon"; 315 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 316 case frontend::DumpTokens: return "-dump-tokens"; 317 case frontend::EmitAssembly: return "-S"; 318 case frontend::EmitBC: return "-emit-llvm-bc"; 319 case frontend::EmitHTML: return "-emit-html"; 320 case frontend::EmitLLVM: return "-emit-llvm"; 321 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 322 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 323 case frontend::EmitObj: return "-emit-obj"; 324 case frontend::FixIt: return "-fixit"; 325 case frontend::GeneratePCH: return "-emit-pch"; 326 case frontend::GeneratePTH: return "-emit-pth"; 327 case frontend::InitOnly: return "-init-only"; 328 case frontend::ParseNoop: return "-parse-noop"; 329 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 330 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 331 case frontend::PrintDeclContext: return "-print-decl-contexts"; 332 case frontend::PrintPreprocessedInput: return "-E"; 333 case frontend::RewriteMacros: return "-rewrite-macros"; 334 case frontend::RewriteObjC: return "-rewrite-objc"; 335 case frontend::RewriteTest: return "-rewrite-test"; 336 case frontend::RunAnalysis: return "-analyze"; 337 case frontend::RunPreprocessorOnly: return "-Eonly"; 338 } 339 340 llvm_unreachable("Unexpected language kind!"); 341 return 0; 342 } 343 344 static void FrontendOptsToArgs(const FrontendOptions &Opts, 345 std::vector<std::string> &Res) { 346 if (!Opts.DebugCodeCompletionPrinter) 347 Res.push_back("-no-code-completion-debug-printer"); 348 if (Opts.DisableFree) 349 Res.push_back("-disable-free"); 350 if (Opts.RelocatablePCH) 351 Res.push_back("-relocatable-pch"); 352 if (Opts.ShowHelp) 353 Res.push_back("-help"); 354 if (Opts.ShowMacrosInCodeCompletion) 355 Res.push_back("-code-completion-macros"); 356 if (Opts.ShowCodePatternsInCodeCompletion) 357 Res.push_back("-code-completion-patterns"); 358 if (Opts.ShowStats) 359 Res.push_back("-print-stats"); 360 if (Opts.ShowTimers) 361 Res.push_back("-ftime-report"); 362 if (Opts.ShowVersion) 363 Res.push_back("-version"); 364 365 bool NeedLang = false; 366 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 367 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 368 Opts.Inputs[i].first) 369 NeedLang = true; 370 if (NeedLang) { 371 Res.push_back("-x"); 372 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 373 } 374 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 375 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 376 "Unable to represent this input vector!"); 377 Res.push_back(Opts.Inputs[i].second); 378 } 379 380 if (!Opts.OutputFile.empty()) { 381 Res.push_back("-o"); 382 Res.push_back(Opts.OutputFile); 383 } 384 if (!Opts.ViewClassInheritance.empty()) { 385 Res.push_back("-cxx-inheritance-view"); 386 Res.push_back(Opts.ViewClassInheritance); 387 } 388 if (!Opts.CodeCompletionAt.FileName.empty()) { 389 Res.push_back("-code-completion-at"); 390 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 391 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 392 llvm::utostr(Opts.CodeCompletionAt.Column)); 393 } 394 if (Opts.ProgramAction != frontend::InheritanceView && 395 Opts.ProgramAction != frontend::PluginAction) 396 Res.push_back(getActionName(Opts.ProgramAction)); 397 if (!Opts.ActionName.empty()) { 398 Res.push_back("-plugin"); 399 Res.push_back(Opts.ActionName); 400 } 401 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 402 Res.push_back("-load"); 403 Res.push_back(Opts.Plugins[i]); 404 } 405 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 406 Res.push_back("-ast-merge"); 407 Res.push_back(Opts.ASTMergeFiles[i]); 408 } 409 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 410 Res.push_back("-mllvm"); 411 Res.push_back(Opts.LLVMArgs[i]); 412 } 413 } 414 415 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 416 std::vector<std::string> &Res) { 417 if (Opts.Sysroot != "/") { 418 Res.push_back("-isysroot"); 419 Res.push_back(Opts.Sysroot); 420 } 421 422 /// User specified include entries. 423 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 424 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 425 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 426 llvm::report_fatal_error("Invalid option set!"); 427 if (E.IsUserSupplied) { 428 if (E.Group == frontend::After) { 429 Res.push_back("-idirafter"); 430 } else if (E.Group == frontend::Quoted) { 431 Res.push_back("-iquote"); 432 } else if (E.Group == frontend::System) { 433 Res.push_back("-isystem"); 434 } else { 435 assert(E.Group == frontend::Angled && "Invalid group!"); 436 Res.push_back(E.IsFramework ? "-F" : "-I"); 437 } 438 } else { 439 if (E.Group != frontend::Angled && E.Group != frontend::System) 440 llvm::report_fatal_error("Invalid option set!"); 441 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 442 "-iwithprefix"); 443 } 444 Res.push_back(E.Path); 445 } 446 447 if (!Opts.EnvIncPath.empty()) { 448 // FIXME: Provide an option for this, and move env detection to driver. 449 llvm::report_fatal_error("Not yet implemented!"); 450 } 451 if (!Opts.CEnvIncPath.empty()) { 452 // FIXME: Provide an option for this, and move env detection to driver. 453 llvm::report_fatal_error("Not yet implemented!"); 454 } 455 if (!Opts.ObjCEnvIncPath.empty()) { 456 // FIXME: Provide an option for this, and move env detection to driver. 457 llvm::report_fatal_error("Not yet implemented!"); 458 } 459 if (!Opts.CXXEnvIncPath.empty()) { 460 // FIXME: Provide an option for this, and move env detection to driver. 461 llvm::report_fatal_error("Not yet implemented!"); 462 } 463 if (!Opts.ObjCXXEnvIncPath.empty()) { 464 // FIXME: Provide an option for this, and move env detection to driver. 465 llvm::report_fatal_error("Not yet implemented!"); 466 } 467 if (!Opts.ResourceDir.empty()) { 468 Res.push_back("-resource-dir"); 469 Res.push_back(Opts.ResourceDir); 470 } 471 if (!Opts.UseStandardIncludes) 472 Res.push_back("-nostdinc"); 473 if (!Opts.UseStandardCXXIncludes) 474 Res.push_back("-nostdinc++"); 475 if (Opts.Verbose) 476 Res.push_back("-v"); 477 } 478 479 static void LangOptsToArgs(const LangOptions &Opts, 480 std::vector<std::string> &Res) { 481 LangOptions DefaultLangOpts; 482 483 // FIXME: Need to set -std to get all the implicit options. 484 485 // FIXME: We want to only pass options relative to the defaults, which 486 // requires constructing a target. :( 487 // 488 // It would be better to push the all target specific choices into the driver, 489 // so that everything below that was more uniform. 490 491 if (Opts.Trigraphs) 492 Res.push_back("-trigraphs"); 493 // Implicit based on the input kind: 494 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 495 // Implicit based on the input language standard: 496 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 497 if (Opts.DollarIdents) 498 Res.push_back("-fdollars-in-identifiers"); 499 if (Opts.GNUMode && !Opts.GNUKeywords) 500 Res.push_back("-fno-gnu-keywords"); 501 if (!Opts.GNUMode && Opts.GNUKeywords) 502 Res.push_back("-fgnu-keywords"); 503 if (Opts.Microsoft) 504 Res.push_back("-fms-extensions"); 505 if (Opts.ObjCNonFragileABI) 506 Res.push_back("-fobjc-nonfragile-abi"); 507 if (Opts.ObjCNonFragileABI2) 508 Res.push_back("-fobjc-nonfragile-abi2"); 509 // NoInline is implicit. 510 if (!Opts.CXXOperatorNames) 511 Res.push_back("-fno-operator-names"); 512 if (Opts.PascalStrings) 513 Res.push_back("-fpascal-strings"); 514 if (Opts.CatchUndefined) 515 Res.push_back("-fcatch-undefined-behavior"); 516 if (Opts.WritableStrings) 517 Res.push_back("-fwritable-strings"); 518 if (Opts.ConstStrings) 519 Res.push_back("-Wwrite-strings"); 520 if (!Opts.LaxVectorConversions) 521 Res.push_back("-fno-lax-vector-conversions"); 522 if (Opts.AltiVec) 523 Res.push_back("-faltivec"); 524 if (Opts.Exceptions) 525 Res.push_back("-fexceptions"); 526 if (Opts.SjLjExceptions) 527 Res.push_back("-fsjlj-exceptions"); 528 if (!Opts.RTTI) 529 Res.push_back("-fno-rtti"); 530 if (!Opts.NeXTRuntime) 531 Res.push_back("-fgnu-runtime"); 532 if (Opts.Freestanding) 533 Res.push_back("-ffreestanding"); 534 if (Opts.NoBuiltin) 535 Res.push_back("-fno-builtin"); 536 if (!Opts.AssumeSaneOperatorNew) 537 Res.push_back("-fno-assume-sane-operator-new"); 538 if (!Opts.ThreadsafeStatics) 539 Res.push_back("-fno-threadsafe-statics"); 540 if (Opts.POSIXThreads) 541 Res.push_back("-pthread"); 542 if (Opts.Blocks) 543 Res.push_back("-fblocks"); 544 if (Opts.EmitAllDecls) 545 Res.push_back("-femit-all-decls"); 546 if (Opts.MathErrno) 547 Res.push_back("-fmath-errno"); 548 if (Opts.OverflowChecking) 549 Res.push_back("-ftrapv"); 550 if (Opts.HeinousExtensions) 551 Res.push_back("-fheinous-gnu-extensions"); 552 // Optimize is implicit. 553 // OptimizeSize is implicit. 554 if (Opts.Static) 555 Res.push_back("-static-define"); 556 if (Opts.DumpRecordLayouts) 557 Res.push_back("-fdump-record-layouts"); 558 if (Opts.DumpVTableLayouts) 559 Res.push_back("-fdump-vtable-layouts"); 560 if (Opts.NoBitFieldTypeAlign) 561 Res.push_back("-fno-bitfield-type-alignment"); 562 if (Opts.SjLjExceptions) 563 Res.push_back("-fsjlj-exceptions"); 564 if (Opts.PICLevel) { 565 Res.push_back("-pic-level"); 566 Res.push_back(llvm::utostr(Opts.PICLevel)); 567 } 568 if (Opts.ObjCGCBitmapPrint) 569 Res.push_back("-print-ivar-layout"); 570 if (Opts.NoConstantCFStrings) 571 Res.push_back("-fno-constant-cfstrings"); 572 if (!Opts.AccessControl) 573 Res.push_back("-fno-access-control"); 574 if (!Opts.CharIsSigned) 575 Res.push_back("-fno-signed-char"); 576 if (Opts.ShortWChar) 577 Res.push_back("-fshort-wchar"); 578 if (!Opts.ElideConstructors) 579 Res.push_back("-fno-elide-constructors"); 580 if (Opts.getGCMode() != LangOptions::NonGC) { 581 if (Opts.getGCMode() == LangOptions::HybridGC) { 582 Res.push_back("-fobjc-gc"); 583 } else { 584 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 585 Res.push_back("-fobjc-gc-only"); 586 } 587 } 588 if (Opts.getVisibilityMode() != LangOptions::Default) { 589 Res.push_back("-fvisibility"); 590 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 591 Res.push_back("hidden"); 592 } else { 593 assert(Opts.getVisibilityMode() == LangOptions::Protected && 594 "Invalid visibility!"); 595 Res.push_back("protected"); 596 } 597 } 598 if (Opts.InlineVisibilityHidden) 599 Res.push_back("-fvisibility-inlines-hidden"); 600 601 if (Opts.getStackProtectorMode() != 0) { 602 Res.push_back("-stack-protector"); 603 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 604 } 605 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 606 Res.push_back("-ftemplate-depth"); 607 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 608 } 609 if (!Opts.ObjCConstantStringClass.empty()) { 610 Res.push_back("-fconstant-string-class"); 611 Res.push_back(Opts.ObjCConstantStringClass); 612 } 613 } 614 615 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 616 std::vector<std::string> &Res) { 617 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 618 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 619 Opts.Macros[i].first); 620 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 621 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 622 Res.push_back("-include"); 623 Res.push_back(Opts.Includes[i]); 624 } 625 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 626 Res.push_back("-imacros"); 627 Res.push_back(Opts.MacroIncludes[i]); 628 } 629 if (!Opts.UsePredefines) 630 Res.push_back("-undef"); 631 if (Opts.DetailedRecord) 632 Res.push_back("-detailed-preprocessing-record"); 633 if (!Opts.ImplicitPCHInclude.empty()) { 634 Res.push_back("-include-pch"); 635 Res.push_back(Opts.ImplicitPCHInclude); 636 } 637 if (!Opts.ImplicitPTHInclude.empty()) { 638 Res.push_back("-include-pth"); 639 Res.push_back(Opts.ImplicitPTHInclude); 640 } 641 if (!Opts.TokenCache.empty()) { 642 if (Opts.ImplicitPTHInclude.empty()) { 643 Res.push_back("-token-cache"); 644 Res.push_back(Opts.TokenCache); 645 } else 646 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 647 "Unsupported option combination!"); 648 } 649 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 650 Res.push_back("-remap-file"); 651 Res.push_back(Opts.RemappedFiles[i].first + ";" + 652 Opts.RemappedFiles[i].second); 653 } 654 } 655 656 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 657 std::vector<std::string> &Res) { 658 if (!Opts.ShowCPP && !Opts.ShowMacros) 659 llvm::report_fatal_error("Invalid option combination!"); 660 661 if (Opts.ShowCPP && Opts.ShowMacros) 662 Res.push_back("-dD"); 663 else if (!Opts.ShowCPP && Opts.ShowMacros) 664 Res.push_back("-dM"); 665 666 if (!Opts.ShowLineMarkers) 667 Res.push_back("-P"); 668 if (Opts.ShowComments) 669 Res.push_back("-C"); 670 if (Opts.ShowMacroComments) 671 Res.push_back("-CC"); 672 } 673 674 static void TargetOptsToArgs(const TargetOptions &Opts, 675 std::vector<std::string> &Res) { 676 Res.push_back("-triple"); 677 Res.push_back(Opts.Triple); 678 if (!Opts.CPU.empty()) { 679 Res.push_back("-target-cpu"); 680 Res.push_back(Opts.CPU); 681 } 682 if (!Opts.ABI.empty()) { 683 Res.push_back("-target-abi"); 684 Res.push_back(Opts.ABI); 685 } 686 Res.push_back("-cxx-abi"); 687 Res.push_back(Opts.CXXABI); 688 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 689 Res.push_back("-target-feature"); 690 Res.push_back(Opts.Features[i]); 691 } 692 } 693 694 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 695 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 696 CodeGenOptsToArgs(getCodeGenOpts(), Res); 697 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 698 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 699 FrontendOptsToArgs(getFrontendOpts(), Res); 700 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 701 LangOptsToArgs(getLangOpts(), Res); 702 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 703 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 704 TargetOptsToArgs(getTargetOpts(), Res); 705 } 706 707 //===----------------------------------------------------------------------===// 708 // Deserialization (to args) 709 //===----------------------------------------------------------------------===// 710 711 using namespace clang::driver; 712 using namespace clang::driver::cc1options; 713 714 // 715 716 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 717 Diagnostic &Diags) { 718 using namespace cc1options; 719 720 Opts.AnalysisList.clear(); 721 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 722 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 723 #include "clang/Frontend/Analyses.def" 724 725 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 726 llvm::StringRef Name = A->getValue(Args); 727 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 728 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 729 .Case(CMDFLAG, NAME##Model) 730 #include "clang/Frontend/Analyses.def" 731 .Default(NumStores); 732 // FIXME: Error handling. 733 if (Value == NumStores) 734 Diags.Report(diag::err_drv_invalid_value) 735 << A->getAsString(Args) << Name; 736 else 737 Opts.AnalysisStoreOpt = Value; 738 } 739 740 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 741 llvm::StringRef Name = A->getValue(Args); 742 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 743 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 744 .Case(CMDFLAG, NAME##Model) 745 #include "clang/Frontend/Analyses.def" 746 .Default(NumConstraints); 747 // FIXME: Error handling. 748 if (Value == NumConstraints) 749 Diags.Report(diag::err_drv_invalid_value) 750 << A->getAsString(Args) << Name; 751 else 752 Opts.AnalysisConstraintsOpt = Value; 753 } 754 755 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 756 llvm::StringRef Name = A->getValue(Args); 757 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 758 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 759 .Case(CMDFLAG, PD_##NAME) 760 #include "clang/Frontend/Analyses.def" 761 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 762 // FIXME: Error handling. 763 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 764 Diags.Report(diag::err_drv_invalid_value) 765 << A->getAsString(Args) << Name; 766 else 767 Opts.AnalysisDiagOpt = Value; 768 } 769 770 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 771 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 772 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 773 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 774 Opts.AnalyzeNestedBlocks = 775 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 776 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 777 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 778 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 779 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 780 Opts.EnableExperimentalInternalChecks = 781 Args.hasArg(OPT_analyzer_experimental_internal_checks); 782 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 783 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 784 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 785 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 786 } 787 788 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 789 Diagnostic &Diags) { 790 using namespace cc1options; 791 // -Os implies -O2 792 if (Args.hasArg(OPT_Os)) 793 Opts.OptimizationLevel = 2; 794 else { 795 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 796 if (Opts.OptimizationLevel > 3) { 797 Diags.Report(diag::err_drv_invalid_value) 798 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 799 Opts.OptimizationLevel = 3; 800 } 801 } 802 803 // We must always run at least the always inlining pass. 804 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 805 : CodeGenOptions::OnlyAlwaysInlining; 806 807 Opts.DebugInfo = Args.hasArg(OPT_g); 808 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 809 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 810 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 811 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 812 Opts.NoCommon = Args.hasArg(OPT_fno_common); 813 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 814 Opts.OptimizeSize = Args.hasArg(OPT_Os); 815 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 816 Args.hasArg(OPT_ffreestanding)); 817 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 818 819 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 820 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 821 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 822 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 823 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 824 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 825 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 826 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 827 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 828 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 829 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 830 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 831 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 832 833 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 834 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 835 836 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 837 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 838 839 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 840 llvm::StringRef Name = A->getValue(Args); 841 unsigned Method = llvm::StringSwitch<unsigned>(Name) 842 .Case("legacy", CodeGenOptions::Legacy) 843 .Case("non-legacy", CodeGenOptions::NonLegacy) 844 .Case("mixed", CodeGenOptions::Mixed) 845 .Default(~0U); 846 if (Method == ~0U) 847 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 848 else 849 Opts.ObjCDispatchMethod = Method; 850 } 851 } 852 853 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 854 ArgList &Args) { 855 using namespace cc1options; 856 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 857 Opts.Targets = Args.getAllArgValues(OPT_MT); 858 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 859 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 860 } 861 862 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 863 Diagnostic &Diags) { 864 using namespace cc1options; 865 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 866 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 867 Opts.Pedantic = Args.hasArg(OPT_pedantic); 868 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 869 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 870 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 871 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 872 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 873 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 874 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 875 876 llvm::StringRef ShowOverloads = 877 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 878 if (ShowOverloads == "best") 879 Opts.ShowOverloads = Diagnostic::Ovl_Best; 880 else if (ShowOverloads == "all") 881 Opts.ShowOverloads = Diagnostic::Ovl_All; 882 else 883 Diags.Report(diag::err_drv_invalid_value) 884 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 885 << ShowOverloads; 886 887 llvm::StringRef ShowCategory = 888 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 889 if (ShowCategory == "none") 890 Opts.ShowCategories = 0; 891 else if (ShowCategory == "id") 892 Opts.ShowCategories = 1; 893 else if (ShowCategory == "name") 894 Opts.ShowCategories = 2; 895 else 896 Diags.Report(diag::err_drv_invalid_value) 897 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 898 << ShowCategory; 899 900 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 901 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 902 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 903 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 904 Opts.MacroBacktraceLimit 905 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 906 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 907 Opts.TemplateBacktraceLimit 908 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 909 DiagnosticOptions::DefaultTemplateBacktraceLimit, 910 Diags); 911 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 912 DiagnosticOptions::DefaultTabStop, Diags); 913 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 914 Diags.Report(diag::warn_ignoring_ftabstop_value) 915 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 916 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 917 } 918 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 919 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 920 Opts.Warnings = Args.getAllArgValues(OPT_W); 921 } 922 923 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 924 Diagnostic &Diags) { 925 using namespace cc1options; 926 Opts.ProgramAction = frontend::ParseSyntaxOnly; 927 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 928 switch (A->getOption().getID()) { 929 default: 930 assert(0 && "Invalid option in group!"); 931 case OPT_ast_dump: 932 Opts.ProgramAction = frontend::ASTDump; break; 933 case OPT_ast_print: 934 Opts.ProgramAction = frontend::ASTPrint; break; 935 case OPT_ast_print_xml: 936 Opts.ProgramAction = frontend::ASTPrintXML; break; 937 case OPT_ast_view: 938 Opts.ProgramAction = frontend::ASTView; break; 939 case OPT_boostcon: 940 Opts.ProgramAction = frontend::BoostCon; break; 941 case OPT_dump_raw_tokens: 942 Opts.ProgramAction = frontend::DumpRawTokens; break; 943 case OPT_dump_tokens: 944 Opts.ProgramAction = frontend::DumpTokens; break; 945 case OPT_S: 946 Opts.ProgramAction = frontend::EmitAssembly; break; 947 case OPT_emit_llvm_bc: 948 Opts.ProgramAction = frontend::EmitBC; break; 949 case OPT_emit_html: 950 Opts.ProgramAction = frontend::EmitHTML; break; 951 case OPT_emit_llvm: 952 Opts.ProgramAction = frontend::EmitLLVM; break; 953 case OPT_emit_llvm_only: 954 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 955 case OPT_emit_codegen_only: 956 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 957 case OPT_emit_obj: 958 Opts.ProgramAction = frontend::EmitObj; break; 959 case OPT_fixit_EQ: 960 Opts.FixItSuffix = A->getValue(Args); 961 // fall-through! 962 case OPT_fixit: 963 Opts.ProgramAction = frontend::FixIt; break; 964 case OPT_emit_pch: 965 Opts.ProgramAction = frontend::GeneratePCH; break; 966 case OPT_emit_pth: 967 Opts.ProgramAction = frontend::GeneratePTH; break; 968 case OPT_init_only: 969 Opts.ProgramAction = frontend::InitOnly; break; 970 case OPT_parse_noop: 971 Opts.ProgramAction = frontend::ParseNoop; break; 972 case OPT_parse_print_callbacks: 973 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 974 case OPT_fsyntax_only: 975 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 976 case OPT_print_decl_contexts: 977 Opts.ProgramAction = frontend::PrintDeclContext; break; 978 case OPT_E: 979 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 980 case OPT_rewrite_macros: 981 Opts.ProgramAction = frontend::RewriteMacros; break; 982 case OPT_rewrite_objc: 983 Opts.ProgramAction = frontend::RewriteObjC; break; 984 case OPT_rewrite_test: 985 Opts.ProgramAction = frontend::RewriteTest; break; 986 case OPT_analyze: 987 Opts.ProgramAction = frontend::RunAnalysis; break; 988 case OPT_Eonly: 989 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 990 } 991 } 992 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 993 Opts.ProgramAction = frontend::PluginAction; 994 Opts.ActionName = A->getValue(Args); 995 } 996 997 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 998 Opts.CodeCompletionAt = 999 ParsedSourceLocation::FromString(A->getValue(Args)); 1000 if (Opts.CodeCompletionAt.FileName.empty()) 1001 Diags.Report(diag::err_drv_invalid_value) 1002 << A->getAsString(Args) << A->getValue(Args); 1003 } 1004 Opts.DebugCodeCompletionPrinter = 1005 !Args.hasArg(OPT_no_code_completion_debug_printer); 1006 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1007 1008 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1009 Opts.Plugins = Args.getAllArgValues(OPT_load); 1010 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1011 Opts.ShowHelp = Args.hasArg(OPT_help); 1012 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1013 Opts.ShowCodePatternsInCodeCompletion 1014 = Args.hasArg(OPT_code_completion_patterns); 1015 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1016 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1017 Opts.ShowVersion = Args.hasArg(OPT_version); 1018 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1019 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1020 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1021 1022 InputKind DashX = IK_None; 1023 if (const Arg *A = Args.getLastArg(OPT_x)) { 1024 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1025 .Case("c", IK_C) 1026 .Case("cl", IK_OpenCL) 1027 .Case("c", IK_C) 1028 .Case("cl", IK_OpenCL) 1029 .Case("c++", IK_CXX) 1030 .Case("objective-c", IK_ObjC) 1031 .Case("objective-c++", IK_ObjCXX) 1032 .Case("cpp-output", IK_PreprocessedC) 1033 .Case("assembler-with-cpp", IK_Asm) 1034 .Case("c++-cpp-output", IK_PreprocessedCXX) 1035 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1036 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1037 .Case("c-header", IK_C) 1038 .Case("objective-c-header", IK_ObjC) 1039 .Case("c++-header", IK_CXX) 1040 .Case("objective-c++-header", IK_ObjCXX) 1041 .Case("ast", IK_AST) 1042 .Case("ir", IK_LLVM_IR) 1043 .Default(IK_None); 1044 if (DashX == IK_None) 1045 Diags.Report(diag::err_drv_invalid_value) 1046 << A->getAsString(Args) << A->getValue(Args); 1047 } 1048 1049 // '-' is the default input if none is given. 1050 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1051 Opts.Inputs.clear(); 1052 if (Inputs.empty()) 1053 Inputs.push_back("-"); 1054 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1055 InputKind IK = DashX; 1056 if (IK == IK_None) { 1057 IK = FrontendOptions::getInputKindForExtension( 1058 llvm::StringRef(Inputs[i]).rsplit('.').second); 1059 // FIXME: Remove this hack. 1060 if (i == 0) 1061 DashX = IK; 1062 } 1063 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1064 } 1065 1066 return DashX; 1067 } 1068 1069 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1070 void *MainAddr) { 1071 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1072 1073 if (!P.isEmpty()) { 1074 P.eraseComponent(); // Remove /clang from foo/bin/clang 1075 P.eraseComponent(); // Remove /bin from foo/bin 1076 1077 // Get foo/lib/clang/<version>/include 1078 P.appendComponent("lib"); 1079 P.appendComponent("clang"); 1080 P.appendComponent(CLANG_VERSION_STRING); 1081 } 1082 1083 return P.str(); 1084 } 1085 1086 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1087 using namespace cc1options; 1088 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1089 Opts.Verbose = Args.hasArg(OPT_v); 1090 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1091 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1092 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1093 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1094 1095 // Add -I... and -F... options in order. 1096 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1097 ie = Args.filtered_end(); it != ie; ++it) 1098 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1099 /*IsFramework=*/ (*it)->getOption().matches(OPT_F)); 1100 1101 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1102 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1103 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1104 OPT_iwithprefixbefore), 1105 ie = Args.filtered_end(); it != ie; ++it) { 1106 const Arg *A = *it; 1107 if (A->getOption().matches(OPT_iprefix)) 1108 Prefix = A->getValue(Args); 1109 else if (A->getOption().matches(OPT_iwithprefix)) 1110 Opts.AddPath(Prefix.str() + A->getValue(Args), 1111 frontend::System, false, false); 1112 else 1113 Opts.AddPath(Prefix.str() + A->getValue(Args), 1114 frontend::Angled, false, false); 1115 } 1116 1117 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1118 ie = Args.filtered_end(); it != ie; ++it) 1119 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false); 1120 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1121 ie = Args.filtered_end(); it != ie; ++it) 1122 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false); 1123 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1124 ie = Args.filtered_end(); it != ie; ++it) 1125 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false); 1126 1127 // FIXME: Need options for the various environment variables! 1128 } 1129 1130 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1131 Diagnostic &Diags) { 1132 // FIXME: Cleanup per-file based stuff. 1133 1134 // Set some properties which depend soley on the input kind; it would be nice 1135 // to move these to the language standard, and have the driver resolve the 1136 // input kind + language standard. 1137 if (IK == IK_Asm) { 1138 Opts.AsmPreprocessor = 1; 1139 } else if (IK == IK_ObjC || 1140 IK == IK_ObjCXX || 1141 IK == IK_PreprocessedObjC || 1142 IK == IK_PreprocessedObjCXX) { 1143 Opts.ObjC1 = Opts.ObjC2 = 1; 1144 } 1145 1146 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1147 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1148 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1149 #define LANGSTANDARD(id, name, desc, features) \ 1150 .Case(name, LangStandard::lang_##id) 1151 #include "clang/Frontend/LangStandards.def" 1152 .Default(LangStandard::lang_unspecified); 1153 if (LangStd == LangStandard::lang_unspecified) 1154 Diags.Report(diag::err_drv_invalid_value) 1155 << A->getAsString(Args) << A->getValue(Args); 1156 } 1157 1158 if (LangStd == LangStandard::lang_unspecified) { 1159 // Based on the base language, pick one. 1160 switch (IK) { 1161 case IK_None: 1162 case IK_AST: 1163 case IK_LLVM_IR: 1164 assert(0 && "Invalid input kind!"); 1165 case IK_OpenCL: 1166 LangStd = LangStandard::lang_opencl; 1167 break; 1168 case IK_Asm: 1169 case IK_C: 1170 case IK_PreprocessedC: 1171 case IK_ObjC: 1172 case IK_PreprocessedObjC: 1173 LangStd = LangStandard::lang_gnu99; 1174 break; 1175 case IK_CXX: 1176 case IK_PreprocessedCXX: 1177 case IK_ObjCXX: 1178 case IK_PreprocessedObjCXX: 1179 LangStd = LangStandard::lang_gnucxx98; 1180 break; 1181 } 1182 } 1183 1184 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1185 Opts.BCPLComment = Std.hasBCPLComments(); 1186 Opts.C99 = Std.isC99(); 1187 Opts.CPlusPlus = Std.isCPlusPlus(); 1188 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1189 Opts.Digraphs = Std.hasDigraphs(); 1190 Opts.GNUMode = Std.isGNUMode(); 1191 Opts.GNUInline = !Std.isC99(); 1192 Opts.HexFloats = Std.hasHexFloats(); 1193 Opts.ImplicitInt = Std.hasImplicitInt(); 1194 1195 // OpenCL has some additional defaults. 1196 if (LangStd == LangStandard::lang_opencl) { 1197 Opts.OpenCL = 1; 1198 Opts.AltiVec = 1; 1199 Opts.CXXOperatorNames = 1; 1200 Opts.LaxVectorConversions = 1; 1201 } 1202 1203 // OpenCL and C++ both have bool, true, false keywords. 1204 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1205 1206 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1207 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1208 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1209 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1210 // name, as it doesn't seem a useful distinction. 1211 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1212 Opts.GNUMode); 1213 1214 if (Opts.CPlusPlus) 1215 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1216 1217 if (Args.hasArg(OPT_fobjc_gc_only)) 1218 Opts.setGCMode(LangOptions::GCOnly); 1219 else if (Args.hasArg(OPT_fobjc_gc)) 1220 Opts.setGCMode(LangOptions::HybridGC); 1221 1222 if (Args.hasArg(OPT_print_ivar_layout)) 1223 Opts.ObjCGCBitmapPrint = 1; 1224 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1225 Opts.NoConstantCFStrings = 1; 1226 1227 if (Args.hasArg(OPT_faltivec)) 1228 Opts.AltiVec = 1; 1229 1230 if (Args.hasArg(OPT_pthread)) 1231 Opts.POSIXThreads = 1; 1232 1233 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1234 if (Vis == "default") 1235 Opts.setVisibilityMode(LangOptions::Default); 1236 else if (Vis == "hidden") 1237 Opts.setVisibilityMode(LangOptions::Hidden); 1238 else if (Vis == "protected") 1239 Opts.setVisibilityMode(LangOptions::Protected); 1240 else 1241 Diags.Report(diag::err_drv_invalid_value) 1242 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1243 1244 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1245 Opts.InlineVisibilityHidden = 1; 1246 1247 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1248 1249 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1250 // is specified, or -std is set to a conforming mode. 1251 Opts.Trigraphs = !Opts.GNUMode; 1252 if (Args.hasArg(OPT_trigraphs)) 1253 Opts.Trigraphs = 1; 1254 1255 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1256 OPT_fno_dollars_in_identifiers, 1257 !Opts.AsmPreprocessor); 1258 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1259 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1260 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1261 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1262 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1263 Opts.LaxVectorConversions = 0; 1264 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1265 Opts.ThreadsafeStatics = 0; 1266 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1267 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1268 Opts.Blocks = Args.hasArg(OPT_fblocks); 1269 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1270 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1271 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1272 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1273 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1274 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1275 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1276 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1277 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1278 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1279 Diags); 1280 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1281 Opts.ObjCConstantStringClass = 1282 Args.getLastArgValue(OPT_fconstant_string_class); 1283 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1284 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1285 if (Opts.ObjCNonFragileABI2) 1286 Opts.ObjCNonFragileABI = true; 1287 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1288 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1289 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1290 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1291 Opts.Static = Args.hasArg(OPT_static_define); 1292 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1293 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1294 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1295 Opts.OptimizeSize = 0; 1296 1297 // FIXME: Eliminate this dependency. 1298 unsigned Opt = 1299 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1300 Opts.Optimize = Opt != 0; 1301 1302 // This is the __NO_INLINE__ define, which just depends on things like the 1303 // optimization level and -fno-inline, not actually whether the backend has 1304 // inlining enabled. 1305 // 1306 // FIXME: This is affected by other options (-fno-inline). 1307 Opts.NoInline = !Opt; 1308 1309 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1310 switch (SSP) { 1311 default: 1312 Diags.Report(diag::err_drv_invalid_value) 1313 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1314 break; 1315 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1316 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1317 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1318 } 1319 } 1320 1321 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1322 Diagnostic &Diags) { 1323 using namespace cc1options; 1324 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1325 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1326 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1327 Opts.TokenCache = A->getValue(Args); 1328 else 1329 Opts.TokenCache = Opts.ImplicitPTHInclude; 1330 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1331 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1332 // Add macros from the command line. 1333 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1334 ie = Args.filtered_end(); it != ie; ++it) { 1335 if ((*it)->getOption().matches(OPT_D)) 1336 Opts.addMacroDef((*it)->getValue(Args)); 1337 else 1338 Opts.addMacroUndef((*it)->getValue(Args)); 1339 } 1340 1341 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1342 1343 // Add the ordered list of -includes. 1344 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1345 OPT_include_pth), 1346 ie = Args.filtered_end(); it != ie; ++it) { 1347 const Arg *A = *it; 1348 // PCH is handled specially, we need to extra the original include path. 1349 if (A->getOption().matches(OPT_include_pch)) { 1350 std::string OriginalFile = 1351 PCHReader::getOriginalSourceFile(A->getValue(Args), Diags); 1352 if (OriginalFile.empty()) 1353 continue; 1354 1355 Opts.Includes.push_back(OriginalFile); 1356 } else 1357 Opts.Includes.push_back(A->getValue(Args)); 1358 } 1359 1360 // Include 'altivec.h' if -faltivec option present 1361 if (Args.hasArg(OPT_faltivec)) 1362 Opts.Includes.push_back("altivec.h"); 1363 1364 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1365 ie = Args.filtered_end(); it != ie; ++it) { 1366 const Arg *A = *it; 1367 std::pair<llvm::StringRef,llvm::StringRef> Split = 1368 llvm::StringRef(A->getValue(Args)).split(';'); 1369 1370 if (Split.second.empty()) { 1371 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1372 continue; 1373 } 1374 1375 Opts.addRemappedFile(Split.first, Split.second); 1376 } 1377 } 1378 1379 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1380 ArgList &Args) { 1381 using namespace cc1options; 1382 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1383 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1384 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1385 Opts.ShowComments = Args.hasArg(OPT_C); 1386 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1387 } 1388 1389 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1390 using namespace cc1options; 1391 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1392 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1393 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1394 Opts.Triple = Args.getLastArgValue(OPT_triple); 1395 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1396 1397 // Use the host triple if unspecified. 1398 if (Opts.Triple.empty()) 1399 Opts.Triple = llvm::sys::getHostTriple(); 1400 1401 // Use the Itanium C++ ABI if unspecified. 1402 if (Opts.CXXABI.empty()) 1403 Opts.CXXABI = "itanium"; 1404 } 1405 1406 // 1407 1408 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1409 const char **ArgBegin, 1410 const char **ArgEnd, 1411 Diagnostic &Diags) { 1412 // Parse the arguments. 1413 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1414 unsigned MissingArgIndex, MissingArgCount; 1415 llvm::OwningPtr<InputArgList> Args( 1416 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1417 1418 // Check for missing argument error. 1419 if (MissingArgCount) 1420 Diags.Report(diag::err_drv_missing_argument) 1421 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1422 1423 // Issue errors on unknown arguments. 1424 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1425 ie = Args->filtered_end(); it != ie; ++it) 1426 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1427 1428 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1429 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1430 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1431 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1432 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1433 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1434 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1435 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1436 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1437 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1438 ParseTargetArgs(Res.getTargetOpts(), *Args); 1439 } 1440