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 // VerifyModule is only derived. 149 // Inlining is only derived. 150 151 if (Opts.AsmVerbose) 152 Res.push_back("-masm-verbose"); 153 if (!Opts.CodeModel.empty()) { 154 Res.push_back("-mcode-model"); 155 Res.push_back(Opts.CodeModel); 156 } 157 if (!Opts.DebugPass.empty()) { 158 Res.push_back("-mdebug-pass"); 159 Res.push_back(Opts.DebugPass); 160 } 161 if (Opts.DisableFPElim) 162 Res.push_back("-mdisable-fp-elim"); 163 if (!Opts.FloatABI.empty()) { 164 Res.push_back("-mfloat-abi"); 165 Res.push_back(Opts.FloatABI); 166 } 167 if (!Opts.LimitFloatPrecision.empty()) { 168 Res.push_back("-mlimit-float-precision"); 169 Res.push_back(Opts.LimitFloatPrecision); 170 } 171 if (Opts.NoZeroInitializedInBSS) 172 Res.push_back("-mno-zero-initialized-bss"); 173 if (Opts.SoftFloat) 174 Res.push_back("-msoft-float"); 175 if (Opts.UnwindTables) 176 Res.push_back("-munwind-tables"); 177 if (Opts.RelocationModel != "pic") { 178 Res.push_back("-mrelocation-model"); 179 Res.push_back(Opts.RelocationModel); 180 } 181 } 182 183 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 184 std::vector<std::string> &Res) { 185 if (Opts.IncludeSystemHeaders) 186 Res.push_back("-sys-header-deps"); 187 if (Opts.UsePhonyTargets) 188 Res.push_back("-MP"); 189 if (!Opts.OutputFile.empty()) { 190 Res.push_back("-dependency-file"); 191 Res.push_back(Opts.OutputFile); 192 } 193 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 194 Res.push_back("-MT"); 195 Res.push_back(Opts.Targets[i]); 196 } 197 } 198 199 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 200 std::vector<std::string> &Res) { 201 if (Opts.IgnoreWarnings) 202 Res.push_back("-w"); 203 if (Opts.NoRewriteMacros) 204 Res.push_back("-Wno-rewrite-macros"); 205 if (Opts.Pedantic) 206 Res.push_back("-pedantic"); 207 if (Opts.PedanticErrors) 208 Res.push_back("-pedantic-errors"); 209 if (!Opts.ShowColumn) 210 Res.push_back("-fno-show-column"); 211 if (!Opts.ShowLocation) 212 Res.push_back("-fno-show-source-location"); 213 if (!Opts.ShowCarets) 214 Res.push_back("-fno-caret-diagnostics"); 215 if (!Opts.ShowFixits) 216 Res.push_back("-fno-diagnostics-fixit-info"); 217 if (Opts.ShowSourceRanges) 218 Res.push_back("-fdiagnostics-print-source-range-info"); 219 if (Opts.ShowColors) 220 Res.push_back("-fcolor-diagnostics"); 221 if (Opts.VerifyDiagnostics) 222 Res.push_back("-verify"); 223 if (Opts.ShowOptionNames) 224 Res.push_back("-fdiagnostics-show-option"); 225 if (Opts.MessageLength) { 226 Res.push_back("-fmessage-length"); 227 Res.push_back(llvm::utostr(Opts.MessageLength)); 228 } 229 if (!Opts.DumpBuildInformation.empty()) { 230 Res.push_back("-dump-build-information"); 231 Res.push_back(Opts.DumpBuildInformation); 232 } 233 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 234 Res.push_back("-W" + Opts.Warnings[i]); 235 } 236 237 static const char *getInputKindName(FrontendOptions::InputKind Kind) { 238 switch (Kind) { 239 case FrontendOptions::IK_None: break; 240 case FrontendOptions::IK_AST: return "ast"; 241 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 242 case FrontendOptions::IK_C: return "c"; 243 case FrontendOptions::IK_CXX: return "c++"; 244 case FrontendOptions::IK_ObjC: return "objective-c"; 245 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 246 case FrontendOptions::IK_OpenCL: return "cl"; 247 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 248 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 249 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 250 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 251 } 252 253 llvm_unreachable("Unexpected language kind!"); 254 return 0; 255 } 256 257 static const char *getActionName(frontend::ActionKind Kind) { 258 switch (Kind) { 259 case frontend::PluginAction: 260 case frontend::InheritanceView: 261 llvm_unreachable("Invalid kind!"); 262 263 case frontend::ASTDump: return "-ast-dump"; 264 case frontend::ASTPrint: return "-ast-print"; 265 case frontend::ASTPrintXML: return "-ast-print-xml"; 266 case frontend::ASTView: return "-ast-view"; 267 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 268 case frontend::DumpRecordLayouts: return "-dump-record-layouts"; 269 case frontend::DumpTokens: return "-dump-tokens"; 270 case frontend::EmitAssembly: return "-S"; 271 case frontend::EmitBC: return "-emit-llvm-bc"; 272 case frontend::EmitHTML: return "-emit-html"; 273 case frontend::EmitLLVM: return "-emit-llvm"; 274 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 275 case frontend::FixIt: return "-fixit"; 276 case frontend::GeneratePCH: return "-emit-pch"; 277 case frontend::GeneratePTH: return "-emit-pth"; 278 case frontend::ParseNoop: return "-parse-noop"; 279 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 280 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 281 case frontend::PrintDeclContext: return "-print-decl-contexts"; 282 case frontend::PrintPreprocessedInput: return "-E"; 283 case frontend::RewriteBlocks: return "-rewrite-blocks"; 284 case frontend::RewriteMacros: return "-rewrite-macros"; 285 case frontend::RewriteObjC: return "-rewrite-objc"; 286 case frontend::RewriteTest: return "-rewrite-test"; 287 case frontend::RunAnalysis: return "-analyze"; 288 case frontend::RunPreprocessorOnly: return "-Eonly"; 289 } 290 291 llvm_unreachable("Unexpected language kind!"); 292 return 0; 293 } 294 295 static void FrontendOptsToArgs(const FrontendOptions &Opts, 296 std::vector<std::string> &Res) { 297 if (!Opts.DebugCodeCompletionPrinter) 298 Res.push_back("-no-code-completion-debug-printer"); 299 if (Opts.DisableFree) 300 Res.push_back("-disable-free"); 301 if (Opts.EmptyInputOnly) 302 Res.push_back("-empty-input-only"); 303 if (Opts.RelocatablePCH) 304 Res.push_back("-relocatable-pch"); 305 if (Opts.ShowHelp) 306 Res.push_back("-help"); 307 if (Opts.ShowMacrosInCodeCompletion) 308 Res.push_back("-code-completion-macros"); 309 if (Opts.ShowStats) 310 Res.push_back("-print-stats"); 311 if (Opts.ShowTimers) 312 Res.push_back("-ftime-report"); 313 if (Opts.ShowVersion) 314 Res.push_back("-version"); 315 316 bool NeedLang = false; 317 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 318 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 319 Opts.Inputs[i].first) 320 NeedLang = true; 321 if (NeedLang) { 322 Res.push_back("-x"); 323 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 324 } 325 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 326 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 327 "Unable to represent this input vector!"); 328 Res.push_back(Opts.Inputs[i].second); 329 } 330 331 if (!Opts.OutputFile.empty()) { 332 Res.push_back("-o"); 333 Res.push_back(Opts.OutputFile); 334 } 335 if (!Opts.ViewClassInheritance.empty()) { 336 Res.push_back("-cxx-inheritance-view"); 337 Res.push_back(Opts.ViewClassInheritance); 338 } 339 for (unsigned i = 0, e = Opts.FixItLocations.size(); i != e; ++i) { 340 Res.push_back("-fixit-at"); 341 Res.push_back(Opts.FixItLocations[i].FileName + ":" + 342 llvm::utostr(Opts.FixItLocations[i].Line) + ":" + 343 llvm::utostr(Opts.FixItLocations[i].Column)); 344 } 345 if (!Opts.CodeCompletionAt.FileName.empty()) { 346 Res.push_back("-code-completion-at"); 347 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 348 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 349 llvm::utostr(Opts.CodeCompletionAt.Column)); 350 } 351 if (Opts.ProgramAction != frontend::InheritanceView && 352 Opts.ProgramAction != frontend::PluginAction) 353 Res.push_back(getActionName(Opts.ProgramAction)); 354 if (!Opts.ActionName.empty()) { 355 Res.push_back("-plugin"); 356 Res.push_back(Opts.ActionName); 357 } 358 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 359 Res.push_back("-load"); 360 Res.push_back(Opts.Plugins[i]); 361 } 362 } 363 364 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 365 std::vector<std::string> &Res) { 366 if (Opts.Sysroot != "/") { 367 Res.push_back("-isysroot"); 368 Res.push_back(Opts.Sysroot); 369 } 370 371 /// User specified include entries. 372 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 373 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 374 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 375 llvm::llvm_report_error("Invalid option set!"); 376 if (E.IsUserSupplied) { 377 if (E.Group == frontend::After) { 378 Res.push_back("-idirafter"); 379 } else if (E.Group == frontend::Quoted) { 380 Res.push_back("-iquote"); 381 } else if (E.Group == frontend::System) { 382 Res.push_back("-isystem"); 383 } else { 384 assert(E.Group == frontend::Angled && "Invalid group!"); 385 Res.push_back(E.IsFramework ? "-F" : "-I"); 386 } 387 } else { 388 if (E.Group != frontend::Angled && E.Group != frontend::System) 389 llvm::llvm_report_error("Invalid option set!"); 390 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 391 "-iwithprefix"); 392 } 393 Res.push_back(E.Path); 394 } 395 396 if (!Opts.EnvIncPath.empty()) { 397 // FIXME: Provide an option for this, and move env detection to driver. 398 llvm::llvm_report_error("Not yet implemented!"); 399 } 400 if (!Opts.CEnvIncPath.empty()) { 401 // FIXME: Provide an option for this, and move env detection to driver. 402 llvm::llvm_report_error("Not yet implemented!"); 403 } 404 if (!Opts.ObjCEnvIncPath.empty()) { 405 // FIXME: Provide an option for this, and move env detection to driver. 406 llvm::llvm_report_error("Not yet implemented!"); 407 } 408 if (!Opts.CXXEnvIncPath.empty()) { 409 // FIXME: Provide an option for this, and move env detection to driver. 410 llvm::llvm_report_error("Not yet implemented!"); 411 } 412 if (!Opts.ObjCXXEnvIncPath.empty()) { 413 // FIXME: Provide an option for this, and move env detection to driver. 414 llvm::llvm_report_error("Not yet implemented!"); 415 } 416 if (!Opts.ResourceDir.empty()) { 417 Res.push_back("-resource-dir"); 418 Res.push_back(Opts.ResourceDir); 419 } 420 if (!Opts.UseStandardIncludes) 421 Res.push_back("-nostdinc"); 422 if (Opts.Verbose) 423 Res.push_back("-v"); 424 } 425 426 static void LangOptsToArgs(const LangOptions &Opts, 427 std::vector<std::string> &Res) { 428 LangOptions DefaultLangOpts; 429 430 // FIXME: Need to set -std to get all the implicit options. 431 432 // FIXME: We want to only pass options relative to the defaults, which 433 // requires constructing a target. :( 434 // 435 // It would be better to push the all target specific choices into the driver, 436 // so that everything below that was more uniform. 437 438 if (Opts.Trigraphs) 439 Res.push_back("-trigraphs"); 440 // Implicit based on the input kind: 441 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 442 // Implicit based on the input language standard: 443 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 444 if (Opts.DollarIdents) 445 Res.push_back("-fdollars-in-identifiers"); 446 if (Opts.Microsoft) 447 Res.push_back("-fms-extensions"); 448 if (Opts.ObjCNonFragileABI) 449 Res.push_back("-fobjc-nonfragile-abi"); 450 // NoInline is implicit. 451 if (!Opts.CXXOperatorNames) 452 Res.push_back("-fno-operator-names"); 453 if (Opts.PascalStrings) 454 Res.push_back("-fpascal-strings"); 455 if (Opts.CatchUndefined) 456 Res.push_back("-fcatch-undefined-behavior"); 457 if (Opts.WritableStrings) 458 Res.push_back("-fwritable-strings"); 459 if (!Opts.LaxVectorConversions) 460 Res.push_back("-fno-lax-vector-conversions"); 461 if (Opts.AltiVec) 462 Res.push_back("-faltivec"); 463 if (Opts.Exceptions) 464 Res.push_back("-fexceptions"); 465 if (!Opts.RTTI) 466 Res.push_back("-fno-rtti"); 467 if (!Opts.NeXTRuntime) 468 Res.push_back("-fgnu-runtime"); 469 if (Opts.Freestanding) 470 Res.push_back("-ffreestanding"); 471 if (Opts.NoBuiltin) 472 Res.push_back("-fno-builtin"); 473 if (!Opts.AssumeSaneOperatorNew) 474 Res.push_back("-fno-assume-sane-operator-new"); 475 if (Opts.ThreadsafeStatics) 476 llvm::llvm_report_error("FIXME: Not yet implemented!"); 477 if (Opts.POSIXThreads) 478 Res.push_back("-pthread"); 479 if (Opts.Blocks) 480 Res.push_back("-fblocks"); 481 if (Opts.EmitAllDecls) 482 Res.push_back("-femit-all-decls"); 483 if (!Opts.MathErrno) 484 Res.push_back("-fno-math-errno"); 485 if (Opts.OverflowChecking) 486 Res.push_back("-ftrapv"); 487 if (Opts.HeinousExtensions) 488 Res.push_back("-fheinous-gnu-extensions"); 489 // Optimize is implicit. 490 // OptimizeSize is implicit. 491 if (Opts.Static) 492 Res.push_back("-static-define"); 493 if (Opts.PICLevel) { 494 Res.push_back("-pic-level"); 495 Res.push_back(llvm::utostr(Opts.PICLevel)); 496 } 497 if (Opts.ObjCGCBitmapPrint) 498 Res.push_back("-print-ivar-layout"); 499 // FIXME: Don't forget to update when the default changes! 500 if (Opts.AccessControl) 501 Res.push_back("-faccess-control"); 502 if (!Opts.CharIsSigned) 503 Res.push_back("-fno-signed-char"); 504 if (Opts.ShortWChar) 505 Res.push_back("-fshort-wchar"); 506 if (!Opts.ElideConstructors) 507 Res.push_back("-fno-elide-constructors"); 508 if (Opts.getGCMode() != LangOptions::NonGC) { 509 if (Opts.getGCMode() == LangOptions::HybridGC) { 510 Res.push_back("-fobjc-gc"); 511 } else { 512 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 513 Res.push_back("-fobjc-gc-only"); 514 } 515 } 516 if (Opts.getVisibilityMode() != LangOptions::Default) { 517 Res.push_back("-fvisibility"); 518 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 519 Res.push_back("hidden"); 520 } else { 521 assert(Opts.getVisibilityMode() == LangOptions::Protected && 522 "Invalid visibility!"); 523 Res.push_back("protected"); 524 } 525 } 526 if (Opts.getStackProtectorMode() != 0) { 527 Res.push_back("-stack-protector"); 528 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 529 } 530 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 531 Res.push_back("-ftemplate-depth"); 532 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 533 } 534 if (!Opts.ObjCConstantStringClass.empty()) { 535 Res.push_back("-fconstant-string-class"); 536 Res.push_back(Opts.ObjCConstantStringClass); 537 } 538 } 539 540 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 541 std::vector<std::string> &Res) { 542 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 543 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 544 Opts.Macros[i].first); 545 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 546 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 547 Res.push_back("-include"); 548 Res.push_back(Opts.Includes[i]); 549 } 550 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 551 Res.push_back("-imacros"); 552 Res.push_back(Opts.MacroIncludes[i]); 553 } 554 if (!Opts.UsePredefines) 555 Res.push_back("-undef"); 556 if (!Opts.ImplicitPCHInclude.empty()) { 557 Res.push_back("-include-pch"); 558 Res.push_back(Opts.ImplicitPCHInclude); 559 } 560 if (!Opts.ImplicitPTHInclude.empty()) { 561 Res.push_back("-include-pth"); 562 Res.push_back(Opts.ImplicitPTHInclude); 563 } 564 if (!Opts.TokenCache.empty()) { 565 if (Opts.ImplicitPTHInclude.empty()) { 566 Res.push_back("-token-cache"); 567 Res.push_back(Opts.TokenCache); 568 } else 569 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 570 "Unsupported option combination!"); 571 } 572 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 573 Res.push_back("-remap-file"); 574 Res.push_back(Opts.RemappedFiles[i].first + ";" + 575 Opts.RemappedFiles[i].second); 576 } 577 } 578 579 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 580 std::vector<std::string> &Res) { 581 if (!Opts.ShowCPP && !Opts.ShowMacros) 582 llvm::llvm_report_error("Invalid option combination!"); 583 584 if (Opts.ShowCPP && Opts.ShowMacros) 585 Res.push_back("-dD"); 586 else if (!Opts.ShowCPP && Opts.ShowMacros) 587 Res.push_back("-dM"); 588 589 if (!Opts.ShowLineMarkers) 590 Res.push_back("-P"); 591 if (Opts.ShowComments) 592 Res.push_back("-C"); 593 if (Opts.ShowMacroComments) 594 Res.push_back("-CC"); 595 } 596 597 static void TargetOptsToArgs(const TargetOptions &Opts, 598 std::vector<std::string> &Res) { 599 Res.push_back("-triple"); 600 Res.push_back(Opts.Triple); 601 if (!Opts.CPU.empty()) { 602 Res.push_back("-target-cpu"); 603 Res.push_back(Opts.CPU); 604 } 605 if (!Opts.ABI.empty()) { 606 Res.push_back("-target-abi"); 607 Res.push_back(Opts.ABI); 608 } 609 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 610 Res.push_back("-target-feature"); 611 Res.push_back(Opts.Features[i]); 612 } 613 } 614 615 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 616 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 617 CodeGenOptsToArgs(getCodeGenOpts(), Res); 618 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 619 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 620 FrontendOptsToArgs(getFrontendOpts(), Res); 621 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 622 LangOptsToArgs(getLangOpts(), Res); 623 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 624 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 625 TargetOptsToArgs(getTargetOpts(), Res); 626 } 627 628 //===----------------------------------------------------------------------===// 629 // Deserialization (to args) 630 //===----------------------------------------------------------------------===// 631 632 using namespace clang::driver; 633 using namespace clang::driver::cc1options; 634 635 static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID, 636 llvm::StringRef Default = "") { 637 if (Arg *A = Args.getLastArg(ID)) 638 return A->getValue(Args); 639 return Default; 640 } 641 642 static int getLastArgIntValue(ArgList &Args, cc1options::ID ID, 643 int Default, Diagnostic &Diags) { 644 Arg *A = Args.getLastArg(ID); 645 if (!A) 646 return Default; 647 648 int Res = Default; 649 if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res)) 650 Diags.Report(diag::err_drv_invalid_int_value) 651 << A->getAsString(Args) << A->getValue(Args); 652 653 return Res; 654 } 655 656 static std::vector<std::string> 657 getAllArgValues(ArgList &Args, cc1options::ID ID) { 658 llvm::SmallVector<const char *, 16> Values; 659 Args.AddAllArgValues(Values, ID); 660 return std::vector<std::string>(Values.begin(), Values.end()); 661 } 662 663 // 664 665 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 666 Diagnostic &Diags) { 667 using namespace cc1options; 668 669 Opts.AnalysisList.clear(); 670 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 671 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 672 #include "clang/Frontend/Analyses.def" 673 674 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 675 llvm::StringRef Name = A->getValue(Args); 676 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 677 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 678 .Case(CMDFLAG, NAME##Model) 679 #include "clang/Frontend/Analyses.def" 680 .Default(NumStores); 681 // FIXME: Error handling. 682 if (Value == NumStores) 683 Diags.Report(diag::err_drv_invalid_value) 684 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 685 else 686 Opts.AnalysisStoreOpt = Value; 687 } 688 689 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 690 llvm::StringRef Name = A->getValue(Args); 691 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 692 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 693 .Case(CMDFLAG, NAME##Model) 694 #include "clang/Frontend/Analyses.def" 695 .Default(NumConstraints); 696 // FIXME: Error handling. 697 if (Value == NumConstraints) 698 Diags.Report(diag::err_drv_invalid_value) 699 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 700 else 701 Opts.AnalysisConstraintsOpt = Value; 702 } 703 704 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 705 llvm::StringRef Name = A->getValue(Args); 706 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 707 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 708 .Case(CMDFLAG, PD_##NAME) 709 #include "clang/Frontend/Analyses.def" 710 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 711 // FIXME: Error handling. 712 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 713 Diags.Report(diag::err_drv_invalid_value) 714 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 715 else 716 Opts.AnalysisDiagOpt = Value; 717 } 718 719 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 720 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 721 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 722 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 723 Opts.AnalyzeNestedBlocks = 724 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 725 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 726 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 727 Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function); 728 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 729 Opts.EnableExperimentalInternalChecks = 730 Args.hasArg(OPT_analyzer_experimental_internal_checks); 731 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 732 } 733 734 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 735 Diagnostic &Diags) { 736 using namespace cc1options; 737 // -Os implies -O2 738 if (Args.hasArg(OPT_Os)) 739 Opts.OptimizationLevel = 2; 740 else { 741 Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags); 742 if (Opts.OptimizationLevel > 3) { 743 Diags.Report(diag::err_drv_invalid_value) 744 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 745 Opts.OptimizationLevel = 3; 746 } 747 } 748 749 // We must always run at least the always inlining pass. 750 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 751 : CodeGenOptions::OnlyAlwaysInlining; 752 753 Opts.DebugInfo = Args.hasArg(OPT_g); 754 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 755 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 756 Opts.DwarfDebugFlags = getLastArgValue(Args, OPT_dwarf_debug_flags); 757 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 758 Opts.NoCommon = Args.hasArg(OPT_fno_common); 759 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 760 Opts.OptimizeSize = Args.hasArg(OPT_Os); 761 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 762 763 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 764 Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model); 765 Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass); 766 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 767 Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi); 768 Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision); 769 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 770 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 771 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 772 Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic"); 773 774 Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name); 775 776 // FIXME: Put elsewhere? 777 #ifdef NDEBUG 778 Opts.VerifyModule = 0; 779 #else 780 Opts.VerifyModule = 1; 781 #endif 782 } 783 784 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 785 ArgList &Args) { 786 using namespace cc1options; 787 Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file); 788 Opts.Targets = getAllArgValues(Args, OPT_MT); 789 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 790 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 791 } 792 793 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 794 Diagnostic &Diags) { 795 using namespace cc1options; 796 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 797 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 798 Opts.Pedantic = Args.hasArg(OPT_pedantic); 799 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 800 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 801 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 802 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 803 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 804 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 805 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 806 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 807 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 808 Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags); 809 Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information); 810 Opts.Warnings = getAllArgValues(Args, OPT_W); 811 } 812 813 static FrontendOptions::InputKind 814 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 815 using namespace cc1options; 816 Opts.ProgramAction = frontend::ParseSyntaxOnly; 817 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 818 switch (A->getOption().getID()) { 819 default: 820 assert(0 && "Invalid option in group!"); 821 case OPT_ast_dump: 822 Opts.ProgramAction = frontend::ASTDump; break; 823 case OPT_ast_print: 824 Opts.ProgramAction = frontend::ASTPrint; break; 825 case OPT_ast_print_xml: 826 Opts.ProgramAction = frontend::ASTPrintXML; break; 827 case OPT_ast_view: 828 Opts.ProgramAction = frontend::ASTView; break; 829 case OPT_dump_raw_tokens: 830 Opts.ProgramAction = frontend::DumpRawTokens; break; 831 case OPT_dump_record_layouts: 832 Opts.ProgramAction = frontend::DumpRecordLayouts; break; 833 case OPT_dump_tokens: 834 Opts.ProgramAction = frontend::DumpTokens; break; 835 case OPT_S: 836 Opts.ProgramAction = frontend::EmitAssembly; break; 837 case OPT_emit_llvm_bc: 838 Opts.ProgramAction = frontend::EmitBC; break; 839 case OPT_emit_html: 840 Opts.ProgramAction = frontend::EmitHTML; break; 841 case OPT_emit_llvm: 842 Opts.ProgramAction = frontend::EmitLLVM; break; 843 case OPT_emit_llvm_only: 844 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 845 case OPT_fixit: 846 Opts.ProgramAction = frontend::FixIt; break; 847 case OPT_emit_pch: 848 Opts.ProgramAction = frontend::GeneratePCH; break; 849 case OPT_emit_pth: 850 Opts.ProgramAction = frontend::GeneratePTH; break; 851 case OPT_parse_noop: 852 Opts.ProgramAction = frontend::ParseNoop; break; 853 case OPT_parse_print_callbacks: 854 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 855 case OPT_fsyntax_only: 856 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 857 case OPT_print_decl_contexts: 858 Opts.ProgramAction = frontend::PrintDeclContext; break; 859 case OPT_E: 860 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 861 case OPT_rewrite_blocks: 862 Opts.ProgramAction = frontend::RewriteBlocks; break; 863 case OPT_rewrite_macros: 864 Opts.ProgramAction = frontend::RewriteMacros; break; 865 case OPT_rewrite_objc: 866 Opts.ProgramAction = frontend::RewriteObjC; break; 867 case OPT_rewrite_test: 868 Opts.ProgramAction = frontend::RewriteTest; break; 869 case OPT_analyze: 870 Opts.ProgramAction = frontend::RunAnalysis; break; 871 case OPT_Eonly: 872 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 873 } 874 } 875 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 876 Opts.ProgramAction = frontend::PluginAction; 877 Opts.ActionName = A->getValue(Args); 878 } 879 880 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 881 Opts.CodeCompletionAt = 882 ParsedSourceLocation::FromString(A->getValue(Args)); 883 if (Opts.CodeCompletionAt.FileName.empty()) 884 Diags.Report(diag::err_drv_invalid_value) 885 << A->getAsString(Args) << A->getValue(Args); 886 } 887 Opts.DebugCodeCompletionPrinter = 888 !Args.hasArg(OPT_no_code_completion_debug_printer); 889 Opts.DisableFree = Args.hasArg(OPT_disable_free); 890 Opts.EmptyInputOnly = Args.hasArg(OPT_empty_input_only); 891 892 Opts.FixItLocations.clear(); 893 for (arg_iterator it = Args.filtered_begin(OPT_fixit_at), 894 ie = Args.filtered_end(); it != ie; ++it) { 895 const char *Loc = it->getValue(Args); 896 ParsedSourceLocation PSL = ParsedSourceLocation::FromString(Loc); 897 898 if (PSL.FileName.empty()) { 899 Diags.Report(diag::err_drv_invalid_value) << it->getAsString(Args) << Loc; 900 continue; 901 } 902 903 Opts.FixItLocations.push_back(PSL); 904 } 905 906 Opts.OutputFile = getLastArgValue(Args, OPT_o); 907 Opts.Plugins = getAllArgValues(Args, OPT_load); 908 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 909 Opts.ShowHelp = Args.hasArg(OPT_help); 910 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 911 Opts.ShowStats = Args.hasArg(OPT_print_stats); 912 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 913 Opts.ShowVersion = Args.hasArg(OPT_version); 914 Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view); 915 916 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 917 if (const Arg *A = Args.getLastArg(OPT_x)) { 918 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 919 .Case("c", FrontendOptions::IK_C) 920 .Case("cl", FrontendOptions::IK_OpenCL) 921 .Case("c", FrontendOptions::IK_C) 922 .Case("cl", FrontendOptions::IK_OpenCL) 923 .Case("c++", FrontendOptions::IK_CXX) 924 .Case("objective-c", FrontendOptions::IK_ObjC) 925 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 926 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 927 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 928 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 929 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 930 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 931 .Case("c-header", FrontendOptions::IK_C) 932 .Case("objective-c-header", FrontendOptions::IK_ObjC) 933 .Case("c++-header", FrontendOptions::IK_CXX) 934 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 935 .Case("ast", FrontendOptions::IK_AST) 936 .Default(FrontendOptions::IK_None); 937 if (DashX == FrontendOptions::IK_None) 938 Diags.Report(diag::err_drv_invalid_value) 939 << A->getAsString(Args) << A->getValue(Args); 940 } 941 942 // '-' is the default input if none is given. 943 std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT); 944 Opts.Inputs.clear(); 945 if (Inputs.empty()) 946 Inputs.push_back("-"); 947 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 948 FrontendOptions::InputKind IK = DashX; 949 if (IK == FrontendOptions::IK_None) { 950 IK = FrontendOptions::getInputKindForExtension( 951 llvm::StringRef(Inputs[i]).rsplit('.').second); 952 // FIXME: Remove this hack. 953 if (i == 0) 954 DashX = IK; 955 } 956 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 957 } 958 959 return DashX; 960 } 961 962 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 963 void *MainAddr) { 964 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 965 966 if (!P.isEmpty()) { 967 P.eraseComponent(); // Remove /clang from foo/bin/clang 968 P.eraseComponent(); // Remove /bin from foo/bin 969 970 // Get foo/lib/clang/<version>/include 971 P.appendComponent("lib"); 972 P.appendComponent("clang"); 973 P.appendComponent(CLANG_VERSION_STRING); 974 } 975 976 return P.str(); 977 } 978 979 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 980 using namespace cc1options; 981 Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/"); 982 Opts.Verbose = Args.hasArg(OPT_v); 983 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 984 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 985 Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir); 986 987 // Add -I... and -F... options in order. 988 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 989 ie = Args.filtered_end(); it != ie; ++it) 990 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 991 /*IsFramework=*/ it->getOption().matches(OPT_F)); 992 993 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 994 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 995 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 996 OPT_iwithprefixbefore), 997 ie = Args.filtered_end(); it != ie; ++it) { 998 if (it->getOption().matches(OPT_iprefix)) 999 Prefix = it->getValue(Args); 1000 else if (it->getOption().matches(OPT_iwithprefix)) 1001 Opts.AddPath(Prefix.str() + it->getValue(Args), 1002 frontend::System, false, false); 1003 else 1004 Opts.AddPath(Prefix.str() + it->getValue(Args), 1005 frontend::Angled, false, false); 1006 } 1007 1008 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1009 ie = Args.filtered_end(); it != ie; ++it) 1010 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 1011 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1012 ie = Args.filtered_end(); it != ie; ++it) 1013 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 1014 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1015 ie = Args.filtered_end(); it != ie; ++it) 1016 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1017 1018 // FIXME: Need options for the various environment variables! 1019 } 1020 1021 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1022 FrontendOptions::InputKind IK, 1023 Diagnostic &Diags) { 1024 // FIXME: Cleanup per-file based stuff. 1025 1026 // Set some properties which depend soley on the input kind; it would be nice 1027 // to move these to the language standard, and have the driver resolve the 1028 // input kind + language standard. 1029 if (IK == FrontendOptions::IK_Asm) { 1030 Opts.AsmPreprocessor = 1; 1031 } else if (IK == FrontendOptions::IK_ObjC || 1032 IK == FrontendOptions::IK_ObjCXX || 1033 IK == FrontendOptions::IK_PreprocessedObjC || 1034 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1035 Opts.ObjC1 = Opts.ObjC2 = 1; 1036 } 1037 1038 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1039 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1040 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1041 #define LANGSTANDARD(id, name, desc, features) \ 1042 .Case(name, LangStandard::lang_##id) 1043 #include "clang/Frontend/LangStandards.def" 1044 .Default(LangStandard::lang_unspecified); 1045 if (LangStd == LangStandard::lang_unspecified) 1046 Diags.Report(diag::err_drv_invalid_value) 1047 << A->getAsString(Args) << A->getValue(Args); 1048 } 1049 1050 if (LangStd == LangStandard::lang_unspecified) { 1051 // Based on the base language, pick one. 1052 switch (IK) { 1053 case FrontendOptions::IK_None: 1054 case FrontendOptions::IK_AST: 1055 assert(0 && "Invalid input kind!"); 1056 case FrontendOptions::IK_OpenCL: 1057 LangStd = LangStandard::lang_opencl; 1058 break; 1059 case FrontendOptions::IK_Asm: 1060 case FrontendOptions::IK_C: 1061 case FrontendOptions::IK_PreprocessedC: 1062 case FrontendOptions::IK_ObjC: 1063 case FrontendOptions::IK_PreprocessedObjC: 1064 LangStd = LangStandard::lang_gnu99; 1065 break; 1066 case FrontendOptions::IK_CXX: 1067 case FrontendOptions::IK_PreprocessedCXX: 1068 case FrontendOptions::IK_ObjCXX: 1069 case FrontendOptions::IK_PreprocessedObjCXX: 1070 LangStd = LangStandard::lang_gnucxx98; 1071 break; 1072 } 1073 } 1074 1075 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1076 Opts.BCPLComment = Std.hasBCPLComments(); 1077 Opts.C99 = Std.isC99(); 1078 Opts.CPlusPlus = Std.isCPlusPlus(); 1079 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1080 Opts.Digraphs = Std.hasDigraphs(); 1081 Opts.GNUMode = Std.isGNUMode(); 1082 Opts.GNUInline = !Std.isC99(); 1083 Opts.HexFloats = Std.hasHexFloats(); 1084 Opts.ImplicitInt = Std.hasImplicitInt(); 1085 1086 // OpenCL has some additional defaults. 1087 if (LangStd == LangStandard::lang_opencl) { 1088 Opts.OpenCL = 1; 1089 Opts.AltiVec = 1; 1090 Opts.CXXOperatorNames = 1; 1091 Opts.LaxVectorConversions = 1; 1092 } 1093 1094 // OpenCL and C++ both have bool, true, false keywords. 1095 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1096 1097 if (Opts.CPlusPlus) 1098 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1099 1100 if (Args.hasArg(OPT_fobjc_gc_only)) 1101 Opts.setGCMode(LangOptions::GCOnly); 1102 else if (Args.hasArg(OPT_fobjc_gc)) 1103 Opts.setGCMode(LangOptions::HybridGC); 1104 1105 if (Args.hasArg(OPT_print_ivar_layout)) 1106 Opts.ObjCGCBitmapPrint = 1; 1107 1108 if (Args.hasArg(OPT_faltivec)) 1109 Opts.AltiVec = 1; 1110 1111 if (Args.hasArg(OPT_pthread)) 1112 Opts.POSIXThreads = 1; 1113 1114 llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility, 1115 "default"); 1116 if (Vis == "default") 1117 Opts.setVisibilityMode(LangOptions::Default); 1118 else if (Vis == "hidden") 1119 Opts.setVisibilityMode(LangOptions::Hidden); 1120 else if (Vis == "protected") 1121 Opts.setVisibilityMode(LangOptions::Protected); 1122 else 1123 Diags.Report(diag::err_drv_invalid_value) 1124 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1125 1126 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1127 1128 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1129 // is specified, or -std is set to a conforming mode. 1130 Opts.Trigraphs = !Opts.GNUMode; 1131 if (Args.hasArg(OPT_trigraphs)) 1132 Opts.Trigraphs = 1; 1133 1134 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1135 OPT_fno_dollars_in_identifiers, 1136 !Opts.AsmPreprocessor); 1137 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1138 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1139 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1140 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1141 Opts.LaxVectorConversions = 0; 1142 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1143 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1144 Opts.Blocks = Args.hasArg(OPT_fblocks); 1145 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1146 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1147 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1148 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1149 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1150 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1151 Opts.AccessControl = Args.hasArg(OPT_faccess_control); 1152 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1153 Opts.MathErrno = !Args.hasArg(OPT_fno_math_errno); 1154 Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99, 1155 Diags); 1156 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1157 Opts.ObjCConstantStringClass = getLastArgValue(Args, 1158 OPT_fconstant_string_class); 1159 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1160 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1161 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1162 Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); 1163 Opts.Static = Args.hasArg(OPT_static_define); 1164 Opts.OptimizeSize = 0; 1165 1166 // FIXME: Eliminate this dependency. 1167 unsigned Opt = 1168 Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); 1169 Opts.Optimize = Opt != 0; 1170 1171 // This is the __NO_INLINE__ define, which just depends on things like the 1172 // optimization level and -fno-inline, not actually whether the backend has 1173 // inlining enabled. 1174 // 1175 // FIXME: This is affected by other options (-fno-inline). 1176 Opts.NoInline = !Opt; 1177 1178 unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); 1179 switch (SSP) { 1180 default: 1181 Diags.Report(diag::err_drv_invalid_value) 1182 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1183 break; 1184 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1185 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1186 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1187 } 1188 } 1189 1190 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1191 Diagnostic &Diags) { 1192 using namespace cc1options; 1193 Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch); 1194 Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth); 1195 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1196 Opts.TokenCache = A->getValue(Args); 1197 else 1198 Opts.TokenCache = Opts.ImplicitPTHInclude; 1199 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1200 1201 // Add macros from the command line. 1202 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1203 ie = Args.filtered_end(); it != ie; ++it) { 1204 if (it->getOption().matches(OPT_D)) 1205 Opts.addMacroDef(it->getValue(Args)); 1206 else 1207 Opts.addMacroUndef(it->getValue(Args)); 1208 } 1209 1210 Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros); 1211 1212 // Add the ordered list of -includes. 1213 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1214 OPT_include_pth), 1215 ie = Args.filtered_end(); it != ie; ++it) { 1216 // PCH is handled specially, we need to extra the original include path. 1217 if (it->getOption().matches(OPT_include_pch)) { 1218 std::string OriginalFile = 1219 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags); 1220 if (OriginalFile.empty()) 1221 continue; 1222 1223 Opts.Includes.push_back(OriginalFile); 1224 } else 1225 Opts.Includes.push_back(it->getValue(Args)); 1226 } 1227 1228 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1229 ie = Args.filtered_end(); it != ie; ++it) { 1230 std::pair<llvm::StringRef,llvm::StringRef> Split = 1231 llvm::StringRef(it->getValue(Args)).split(';'); 1232 1233 if (Split.second.empty()) { 1234 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1235 continue; 1236 } 1237 1238 Opts.addRemappedFile(Split.first, Split.second); 1239 } 1240 } 1241 1242 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1243 ArgList &Args) { 1244 using namespace cc1options; 1245 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1246 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1247 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1248 Opts.ShowComments = Args.hasArg(OPT_C); 1249 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1250 } 1251 1252 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1253 using namespace cc1options; 1254 Opts.ABI = getLastArgValue(Args, OPT_target_abi); 1255 Opts.CPU = getLastArgValue(Args, OPT_target_cpu); 1256 Opts.Triple = getLastArgValue(Args, OPT_triple); 1257 Opts.Features = getAllArgValues(Args, OPT_target_feature); 1258 1259 // Use the host triple if unspecified. 1260 if (Opts.Triple.empty()) 1261 Opts.Triple = llvm::sys::getHostTriple(); 1262 } 1263 1264 // 1265 1266 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1267 const char **ArgBegin, 1268 const char **ArgEnd, 1269 Diagnostic &Diags) { 1270 // Parse the arguments. 1271 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1272 unsigned MissingArgIndex, MissingArgCount; 1273 llvm::OwningPtr<InputArgList> Args( 1274 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1275 1276 // Check for missing argument error. 1277 if (MissingArgCount) 1278 Diags.Report(diag::err_drv_missing_argument) 1279 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1280 1281 // Issue errors on unknown arguments. 1282 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1283 ie = Args->filtered_end(); it != ie; ++it) 1284 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1285 1286 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1287 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1288 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1289 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1290 FrontendOptions::InputKind DashX = 1291 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1292 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1293 if (DashX != FrontendOptions::IK_AST) 1294 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1295 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1296 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1297 ParseTargetArgs(Res.getTargetOpts(), *Args); 1298 } 1299