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.MergeAllConstants) 126 Res.push_back("-fno-merge-all-constants"); 127 if (Opts.NoCommon) 128 Res.push_back("-fno-common"); 129 if (Opts.NoImplicitFloat) 130 Res.push_back("-no-implicit-float"); 131 if (Opts.OptimizeSize) { 132 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 133 Res.push_back("-Os"); 134 } else if (Opts.OptimizationLevel != 0) 135 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 136 if (!Opts.MainFileName.empty()) { 137 Res.push_back("-main-file-name"); 138 Res.push_back(Opts.MainFileName); 139 } 140 // SimplifyLibCalls is only derived. 141 // TimePasses is only derived. 142 // UnitAtATime is unused. 143 // UnrollLoops is only derived. 144 // VerifyModule is only derived. 145 // Inlining is only derived. 146 147 if (Opts.AsmVerbose) 148 Res.push_back("-masm-verbose"); 149 if (!Opts.CodeModel.empty()) { 150 Res.push_back("-mcode-model"); 151 Res.push_back(Opts.CodeModel); 152 } 153 if (!Opts.DebugPass.empty()) { 154 Res.push_back("-mdebug-pass"); 155 Res.push_back(Opts.DebugPass); 156 } 157 if (Opts.DisableFPElim) 158 Res.push_back("-mdisable-fp-elim"); 159 if (!Opts.FloatABI.empty()) { 160 Res.push_back("-mfloat-abi"); 161 Res.push_back(Opts.FloatABI); 162 } 163 if (!Opts.LimitFloatPrecision.empty()) { 164 Res.push_back("-mlimit-float-precision"); 165 Res.push_back(Opts.LimitFloatPrecision); 166 } 167 if (Opts.NoZeroInitializedInBSS) 168 Res.push_back("-mno-zero-initialized-bss"); 169 if (Opts.SoftFloat) 170 Res.push_back("-msoft-float"); 171 if (Opts.UnwindTables) 172 Res.push_back("-munwind-tables"); 173 if (Opts.RelocationModel != "pic") { 174 Res.push_back("-mrelocation-model"); 175 Res.push_back(Opts.RelocationModel); 176 } 177 } 178 179 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 180 std::vector<std::string> &Res) { 181 if (Opts.IncludeSystemHeaders) 182 Res.push_back("-sys-header-deps"); 183 if (Opts.UsePhonyTargets) 184 Res.push_back("-MP"); 185 if (!Opts.OutputFile.empty()) { 186 Res.push_back("-dependency-file"); 187 Res.push_back(Opts.OutputFile); 188 } 189 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 190 Res.push_back("-MT"); 191 Res.push_back(Opts.Targets[i]); 192 } 193 } 194 195 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 196 std::vector<std::string> &Res) { 197 if (Opts.IgnoreWarnings) 198 Res.push_back("-w"); 199 if (Opts.NoRewriteMacros) 200 Res.push_back("-Wno-rewrite-macros"); 201 if (Opts.Pedantic) 202 Res.push_back("-pedantic"); 203 if (Opts.PedanticErrors) 204 Res.push_back("-pedantic-errors"); 205 if (!Opts.ShowColumn) 206 Res.push_back("-fno-show-column"); 207 if (!Opts.ShowLocation) 208 Res.push_back("-fno-show-source-location"); 209 if (!Opts.ShowCarets) 210 Res.push_back("-fno-caret-diagnostics"); 211 if (!Opts.ShowFixits) 212 Res.push_back("-fno-diagnostics-fixit-info"); 213 if (Opts.ShowSourceRanges) 214 Res.push_back("-fdiagnostics-print-source-range-info"); 215 if (Opts.ShowColors) 216 Res.push_back("-fcolor-diagnostics"); 217 if (Opts.VerifyDiagnostics) 218 Res.push_back("-verify"); 219 if (Opts.ShowOptionNames) 220 Res.push_back("-fdiagnostics-show-option"); 221 if (Opts.MessageLength) { 222 Res.push_back("-fmessage-length"); 223 Res.push_back(llvm::utostr(Opts.MessageLength)); 224 } 225 if (!Opts.DumpBuildInformation.empty()) { 226 Res.push_back("-dump-build-information"); 227 Res.push_back(Opts.DumpBuildInformation); 228 } 229 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 230 Res.push_back("-W" + Opts.Warnings[i]); 231 } 232 233 static const char *getInputKindName(FrontendOptions::InputKind Kind) { 234 switch (Kind) { 235 case FrontendOptions::IK_None: break; 236 case FrontendOptions::IK_AST: return "ast"; 237 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 238 case FrontendOptions::IK_C: return "c"; 239 case FrontendOptions::IK_CXX: return "c++"; 240 case FrontendOptions::IK_ObjC: return "objective-c"; 241 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 242 case FrontendOptions::IK_OpenCL: return "cl"; 243 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 244 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 245 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 246 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 247 } 248 249 llvm_unreachable("Unexpected language kind!"); 250 return 0; 251 } 252 253 static const char *getActionName(frontend::ActionKind Kind) { 254 switch (Kind) { 255 case frontend::PluginAction: 256 case frontend::InheritanceView: 257 llvm_unreachable("Invalid kind!"); 258 259 case frontend::ASTDump: return "-ast-dump"; 260 case frontend::ASTPrint: return "-ast-print"; 261 case frontend::ASTPrintXML: return "-ast-print-xml"; 262 case frontend::ASTView: return "-ast-view"; 263 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 264 case frontend::DumpRecordLayouts: return "-dump-record-layouts"; 265 case frontend::DumpTokens: return "-dump-tokens"; 266 case frontend::EmitAssembly: return "-S"; 267 case frontend::EmitBC: return "-emit-llvm-bc"; 268 case frontend::EmitHTML: return "-emit-html"; 269 case frontend::EmitLLVM: return "-emit-llvm"; 270 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 271 case frontend::FixIt: return "-fixit"; 272 case frontend::GeneratePCH: return "-emit-pch"; 273 case frontend::GeneratePTH: return "-emit-pth"; 274 case frontend::ParseNoop: return "-parse-noop"; 275 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 276 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 277 case frontend::PrintDeclContext: return "-print-decl-contexts"; 278 case frontend::PrintPreprocessedInput: return "-E"; 279 case frontend::RewriteBlocks: return "-rewrite-blocks"; 280 case frontend::RewriteMacros: return "-rewrite-macros"; 281 case frontend::RewriteObjC: return "-rewrite-objc"; 282 case frontend::RewriteTest: return "-rewrite-test"; 283 case frontend::RunAnalysis: return "-analyze"; 284 case frontend::RunPreprocessorOnly: return "-Eonly"; 285 } 286 287 llvm_unreachable("Unexpected language kind!"); 288 return 0; 289 } 290 291 static void FrontendOptsToArgs(const FrontendOptions &Opts, 292 std::vector<std::string> &Res) { 293 if (!Opts.DebugCodeCompletionPrinter) 294 Res.push_back("-no-code-completion-debug-printer"); 295 if (Opts.DisableFree) 296 Res.push_back("-disable-free"); 297 if (Opts.EmptyInputOnly) 298 Res.push_back("-empty-input-only"); 299 if (Opts.RelocatablePCH) 300 Res.push_back("-relocatable-pch"); 301 if (Opts.ShowHelp) 302 Res.push_back("-help"); 303 if (Opts.ShowMacrosInCodeCompletion) 304 Res.push_back("-code-completion-macros"); 305 if (Opts.ShowStats) 306 Res.push_back("-print-stats"); 307 if (Opts.ShowTimers) 308 Res.push_back("-ftime-report"); 309 if (Opts.ShowVersion) 310 Res.push_back("-version"); 311 312 bool NeedLang = false; 313 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 314 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 315 Opts.Inputs[i].first) 316 NeedLang = true; 317 if (NeedLang) { 318 Res.push_back("-x"); 319 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 320 } 321 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 322 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 323 "Unable to represent this input vector!"); 324 Res.push_back(Opts.Inputs[i].second); 325 } 326 327 if (!Opts.OutputFile.empty()) { 328 Res.push_back("-o"); 329 Res.push_back(Opts.OutputFile); 330 } 331 if (!Opts.ViewClassInheritance.empty()) { 332 Res.push_back("-cxx-inheritance-view"); 333 Res.push_back(Opts.ViewClassInheritance); 334 } 335 for (unsigned i = 0, e = Opts.FixItLocations.size(); i != e; ++i) { 336 Res.push_back("-fixit-at"); 337 Res.push_back(Opts.FixItLocations[i].FileName + ":" + 338 llvm::utostr(Opts.FixItLocations[i].Line) + ":" + 339 llvm::utostr(Opts.FixItLocations[i].Column)); 340 } 341 if (!Opts.CodeCompletionAt.FileName.empty()) { 342 Res.push_back("-code-completion-at"); 343 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 344 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 345 llvm::utostr(Opts.CodeCompletionAt.Column)); 346 } 347 if (Opts.ProgramAction != frontend::InheritanceView && 348 Opts.ProgramAction != frontend::PluginAction) 349 Res.push_back(getActionName(Opts.ProgramAction)); 350 if (!Opts.ActionName.empty()) { 351 Res.push_back("-plugin"); 352 Res.push_back(Opts.ActionName); 353 } 354 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 355 Res.push_back("-load"); 356 Res.push_back(Opts.Plugins[i]); 357 } 358 } 359 360 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 361 std::vector<std::string> &Res) { 362 if (Opts.Sysroot != "/") { 363 Res.push_back("-isysroot"); 364 Res.push_back(Opts.Sysroot); 365 } 366 367 /// User specified include entries. 368 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 369 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 370 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 371 llvm::llvm_report_error("Invalid option set!"); 372 if (E.IsUserSupplied) { 373 if (E.Group == frontend::After) { 374 Res.push_back("-idirafter"); 375 } else if (E.Group == frontend::Quoted) { 376 Res.push_back("-iquote"); 377 } else if (E.Group == frontend::System) { 378 Res.push_back("-isystem"); 379 } else { 380 assert(E.Group == frontend::Angled && "Invalid group!"); 381 Res.push_back(E.IsFramework ? "-F" : "-I"); 382 } 383 } else { 384 if (E.Group != frontend::Angled && E.Group != frontend::System) 385 llvm::llvm_report_error("Invalid option set!"); 386 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 387 "-iwithprefix"); 388 } 389 Res.push_back(E.Path); 390 } 391 392 if (!Opts.EnvIncPath.empty()) { 393 // FIXME: Provide an option for this, and move env detection to driver. 394 llvm::llvm_report_error("Not yet implemented!"); 395 } 396 if (!Opts.CEnvIncPath.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.ObjCEnvIncPath.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.CXXEnvIncPath.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.ObjCXXEnvIncPath.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.ResourceDir.empty()) { 413 Res.push_back("-resource-dir"); 414 Res.push_back(Opts.ResourceDir); 415 } 416 if (!Opts.UseStandardIncludes) 417 Res.push_back("-nostdinc"); 418 if (Opts.Verbose) 419 Res.push_back("-v"); 420 } 421 422 static void LangOptsToArgs(const LangOptions &Opts, 423 std::vector<std::string> &Res) { 424 LangOptions DefaultLangOpts; 425 426 // FIXME: Need to set -std to get all the implicit options. 427 428 // FIXME: We want to only pass options relative to the defaults, which 429 // requires constructing a target. :( 430 // 431 // It would be better to push the all target specific choices into the driver, 432 // so that everything below that was more uniform. 433 434 if (Opts.Trigraphs) 435 Res.push_back("-trigraphs"); 436 // Implicit based on the input kind: 437 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 438 // Implicit based on the input language standard: 439 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 440 if (Opts.DollarIdents) 441 Res.push_back("-fdollars-in-identifiers"); 442 if (Opts.Microsoft) 443 Res.push_back("-fms-extensions=1"); 444 if (Opts.ObjCNonFragileABI) 445 Res.push_back("-fobjc-nonfragile-abi"); 446 // NoInline is implicit. 447 if (!Opts.CXXOperatorNames) 448 Res.push_back("-fno-operator-names"); 449 if (Opts.PascalStrings) 450 Res.push_back("-fpascal-strings"); 451 if (Opts.CatchUndefined) 452 Res.push_back("-fcatch-undefined-behavior"); 453 if (Opts.WritableStrings) 454 Res.push_back("-fwritable-strings"); 455 if (!Opts.LaxVectorConversions) 456 Res.push_back("-fno-lax-vector-conversions"); 457 if (Opts.AltiVec) 458 Res.push_back("-faltivec"); 459 if (Opts.Exceptions) 460 Res.push_back("-fexceptions"); 461 if (!Opts.RTTI) 462 Res.push_back("-fno-rtti"); 463 if (!Opts.NeXTRuntime) 464 Res.push_back("-fgnu-runtime"); 465 if (Opts.Freestanding) 466 Res.push_back("-ffreestanding"); 467 if (Opts.NoBuiltin) 468 Res.push_back("-fno-builtin"); 469 if (!Opts.AssumeSaneOperatorNew) 470 Res.push_back("-fno-assume-sane-operator-new"); 471 if (Opts.ThreadsafeStatics) 472 llvm::llvm_report_error("FIXME: Not yet implemented!"); 473 if (Opts.POSIXThreads) 474 Res.push_back("-pthread"); 475 if (Opts.Blocks) 476 Res.push_back("-fblocks"); 477 if (Opts.EmitAllDecls) 478 Res.push_back("-femit-all-decls"); 479 if (!Opts.MathErrno) 480 Res.push_back("-fno-math-errno"); 481 if (Opts.OverflowChecking) 482 Res.push_back("-ftrapv"); 483 if (Opts.HeinousExtensions) 484 Res.push_back("-fheinous-gnu-extensions"); 485 // Optimize is implicit. 486 // OptimizeSize is implicit. 487 if (Opts.Static) 488 Res.push_back("-static-define"); 489 if (Opts.PICLevel) { 490 Res.push_back("-pic-level"); 491 Res.push_back(llvm::utostr(Opts.PICLevel)); 492 } 493 if (Opts.ObjCGCBitmapPrint) 494 Res.push_back("-print-ivar-layout"); 495 // FIXME: Don't forget to update when the default changes! 496 if (Opts.AccessControl) 497 Res.push_back("-faccess-control"); 498 if (!Opts.CharIsSigned) 499 Res.push_back("-fno-signed-char"); 500 if (Opts.ShortWChar) 501 Res.push_back("-fshort-wchar"); 502 if (!Opts.ElideConstructors) 503 Res.push_back("-fno-elide-constructors"); 504 if (Opts.getGCMode() != LangOptions::NonGC) { 505 if (Opts.getGCMode() == LangOptions::HybridGC) { 506 Res.push_back("-fobjc-gc"); 507 } else { 508 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 509 Res.push_back("-fobjc-gc-only"); 510 } 511 } 512 if (Opts.getVisibilityMode() != LangOptions::Default) { 513 Res.push_back("-fvisibility"); 514 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 515 Res.push_back("hidden"); 516 } else { 517 assert(Opts.getVisibilityMode() == LangOptions::Protected && 518 "Invalid visibility!"); 519 Res.push_back("protected"); 520 } 521 } 522 if (Opts.getStackProtectorMode() != 0) { 523 Res.push_back("-stack-protector"); 524 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 525 } 526 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 527 Res.push_back("-ftemplate-depth"); 528 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 529 } 530 if (!Opts.ObjCConstantStringClass.empty()) { 531 Res.push_back("-fconstant-string-class"); 532 Res.push_back(Opts.ObjCConstantStringClass); 533 } 534 } 535 536 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 537 std::vector<std::string> &Res) { 538 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 539 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 540 Opts.Macros[i].first); 541 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 542 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 543 Res.push_back("-include"); 544 Res.push_back(Opts.Includes[i]); 545 } 546 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 547 Res.push_back("-imacros"); 548 Res.push_back(Opts.MacroIncludes[i]); 549 } 550 if (!Opts.UsePredefines) 551 Res.push_back("-undef"); 552 if (!Opts.ImplicitPCHInclude.empty()) { 553 Res.push_back("-include-pch"); 554 Res.push_back(Opts.ImplicitPCHInclude); 555 } 556 if (!Opts.ImplicitPTHInclude.empty()) { 557 Res.push_back("-include-pth"); 558 Res.push_back(Opts.ImplicitPTHInclude); 559 } 560 if (!Opts.TokenCache.empty()) { 561 if (Opts.ImplicitPTHInclude.empty()) { 562 Res.push_back("-token-cache"); 563 Res.push_back(Opts.TokenCache); 564 } else 565 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 566 "Unsupported option combination!"); 567 } 568 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 569 Res.push_back("-remap-file"); 570 Res.push_back(Opts.RemappedFiles[i].first + ";" + 571 Opts.RemappedFiles[i].second); 572 } 573 } 574 575 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 576 std::vector<std::string> &Res) { 577 if (!Opts.ShowCPP && !Opts.ShowMacros) 578 llvm::llvm_report_error("Invalid option combination!"); 579 580 if (Opts.ShowCPP && Opts.ShowMacros) 581 Res.push_back("-dD"); 582 else if (!Opts.ShowCPP && Opts.ShowMacros) 583 Res.push_back("-dM"); 584 585 if (!Opts.ShowLineMarkers) 586 Res.push_back("-P"); 587 if (Opts.ShowComments) 588 Res.push_back("-C"); 589 if (Opts.ShowMacroComments) 590 Res.push_back("-CC"); 591 } 592 593 static void TargetOptsToArgs(const TargetOptions &Opts, 594 std::vector<std::string> &Res) { 595 Res.push_back("-triple"); 596 Res.push_back(Opts.Triple); 597 if (!Opts.CPU.empty()) { 598 Res.push_back("-mcpu"); 599 Res.push_back(Opts.CPU); 600 } 601 if (!Opts.ABI.empty()) { 602 Res.push_back("-target-abi"); 603 Res.push_back(Opts.ABI); 604 } 605 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 606 Res.push_back("-target-feature"); 607 Res.push_back(Opts.Features[i]); 608 } 609 } 610 611 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 612 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 613 CodeGenOptsToArgs(getCodeGenOpts(), Res); 614 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 615 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 616 FrontendOptsToArgs(getFrontendOpts(), Res); 617 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 618 LangOptsToArgs(getLangOpts(), Res); 619 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 620 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 621 TargetOptsToArgs(getTargetOpts(), Res); 622 } 623 624 //===----------------------------------------------------------------------===// 625 // Deserialization (to args) 626 //===----------------------------------------------------------------------===// 627 628 using namespace clang::driver; 629 using namespace clang::driver::cc1options; 630 631 static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID, 632 llvm::StringRef Default = "") { 633 if (Arg *A = Args.getLastArg(ID)) 634 return A->getValue(Args); 635 return Default; 636 } 637 638 static int getLastArgIntValue(ArgList &Args, cc1options::ID ID, 639 int Default, Diagnostic &Diags) { 640 Arg *A = Args.getLastArg(ID); 641 if (!A) 642 return Default; 643 644 int Res = Default; 645 if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res)) 646 Diags.Report(diag::err_drv_invalid_int_value) 647 << A->getAsString(Args) << A->getValue(Args); 648 649 return Res; 650 } 651 652 static std::vector<std::string> 653 getAllArgValues(ArgList &Args, cc1options::ID ID) { 654 llvm::SmallVector<const char *, 16> Values; 655 Args.AddAllArgValues(Values, ID); 656 return std::vector<std::string>(Values.begin(), Values.end()); 657 } 658 659 // 660 661 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 662 Diagnostic &Diags) { 663 using namespace cc1options; 664 665 Opts.AnalysisList.clear(); 666 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 667 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 668 #include "clang/Frontend/Analyses.def" 669 670 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 671 llvm::StringRef Name = A->getValue(Args); 672 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 673 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 674 .Case(CMDFLAG, NAME##Model) 675 #include "clang/Frontend/Analyses.def" 676 .Default(NumStores); 677 // FIXME: Error handling. 678 if (Value == NumStores) 679 Diags.Report(diag::err_drv_invalid_value) 680 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 681 else 682 Opts.AnalysisStoreOpt = Value; 683 } 684 685 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 686 llvm::StringRef Name = A->getValue(Args); 687 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 688 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 689 .Case(CMDFLAG, NAME##Model) 690 #include "clang/Frontend/Analyses.def" 691 .Default(NumConstraints); 692 // FIXME: Error handling. 693 if (Value == NumConstraints) 694 Diags.Report(diag::err_drv_invalid_value) 695 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 696 else 697 Opts.AnalysisConstraintsOpt = Value; 698 } 699 700 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 701 llvm::StringRef Name = A->getValue(Args); 702 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 703 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 704 .Case(CMDFLAG, PD_##NAME) 705 #include "clang/Frontend/Analyses.def" 706 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 707 // FIXME: Error handling. 708 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 709 Diags.Report(diag::err_drv_invalid_value) 710 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 711 else 712 Opts.AnalysisDiagOpt = Value; 713 } 714 715 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 716 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 717 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 718 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 719 Opts.AnalyzeNestedBlocks = 720 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 721 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 722 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 723 Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function); 724 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 725 Opts.EnableExperimentalInternalChecks = 726 Args.hasArg(OPT_analyzer_experimental_internal_checks); 727 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 728 } 729 730 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 731 Diagnostic &Diags) { 732 using namespace cc1options; 733 // -Os implies -O2 734 if (Args.hasArg(OPT_Os)) 735 Opts.OptimizationLevel = 2; 736 else { 737 Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags); 738 if (Opts.OptimizationLevel > 3) { 739 Diags.Report(diag::err_drv_invalid_value) 740 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 741 Opts.OptimizationLevel = 3; 742 } 743 } 744 745 // We must always run at least the always inlining pass. 746 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 747 : CodeGenOptions::OnlyAlwaysInlining; 748 749 Opts.DebugInfo = Args.hasArg(OPT_g); 750 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 751 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 752 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 753 Opts.NoCommon = Args.hasArg(OPT_fno_common); 754 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 755 Opts.OptimizeSize = Args.hasArg(OPT_Os); 756 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 757 758 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 759 Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model); 760 Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass); 761 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 762 Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi); 763 Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision); 764 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 765 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 766 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 767 Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic"); 768 769 Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name); 770 771 // FIXME: Put elsewhere? 772 #ifdef NDEBUG 773 Opts.VerifyModule = 0; 774 #else 775 Opts.VerifyModule = 1; 776 #endif 777 } 778 779 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 780 ArgList &Args) { 781 using namespace cc1options; 782 Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file); 783 Opts.Targets = getAllArgValues(Args, OPT_MT); 784 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 785 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 786 } 787 788 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 789 Diagnostic &Diags) { 790 using namespace cc1options; 791 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 792 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 793 Opts.Pedantic = Args.hasArg(OPT_pedantic); 794 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 795 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 796 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 797 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 798 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 799 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 800 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 801 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 802 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 803 Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags); 804 Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information); 805 Opts.Warnings = getAllArgValues(Args, OPT_W); 806 } 807 808 static FrontendOptions::InputKind 809 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 810 using namespace cc1options; 811 Opts.ProgramAction = frontend::ParseSyntaxOnly; 812 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 813 switch (A->getOption().getID()) { 814 default: 815 assert(0 && "Invalid option in group!"); 816 case OPT_ast_dump: 817 Opts.ProgramAction = frontend::ASTDump; break; 818 case OPT_ast_print: 819 Opts.ProgramAction = frontend::ASTPrint; break; 820 case OPT_ast_print_xml: 821 Opts.ProgramAction = frontend::ASTPrintXML; break; 822 case OPT_ast_view: 823 Opts.ProgramAction = frontend::ASTView; break; 824 case OPT_dump_raw_tokens: 825 Opts.ProgramAction = frontend::DumpRawTokens; break; 826 case OPT_dump_record_layouts: 827 Opts.ProgramAction = frontend::DumpRecordLayouts; break; 828 case OPT_dump_tokens: 829 Opts.ProgramAction = frontend::DumpTokens; break; 830 case OPT_S: 831 Opts.ProgramAction = frontend::EmitAssembly; break; 832 case OPT_emit_llvm_bc: 833 Opts.ProgramAction = frontend::EmitBC; break; 834 case OPT_emit_html: 835 Opts.ProgramAction = frontend::EmitHTML; break; 836 case OPT_emit_llvm: 837 Opts.ProgramAction = frontend::EmitLLVM; break; 838 case OPT_emit_llvm_only: 839 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 840 case OPT_fixit: 841 Opts.ProgramAction = frontend::FixIt; break; 842 case OPT_emit_pch: 843 Opts.ProgramAction = frontend::GeneratePCH; break; 844 case OPT_emit_pth: 845 Opts.ProgramAction = frontend::GeneratePTH; break; 846 case OPT_parse_noop: 847 Opts.ProgramAction = frontend::ParseNoop; break; 848 case OPT_parse_print_callbacks: 849 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 850 case OPT_fsyntax_only: 851 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 852 case OPT_print_decl_contexts: 853 Opts.ProgramAction = frontend::PrintDeclContext; break; 854 case OPT_E: 855 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 856 case OPT_rewrite_blocks: 857 Opts.ProgramAction = frontend::RewriteBlocks; break; 858 case OPT_rewrite_macros: 859 Opts.ProgramAction = frontend::RewriteMacros; break; 860 case OPT_rewrite_objc: 861 Opts.ProgramAction = frontend::RewriteObjC; break; 862 case OPT_rewrite_test: 863 Opts.ProgramAction = frontend::RewriteTest; break; 864 case OPT_analyze: 865 Opts.ProgramAction = frontend::RunAnalysis; break; 866 case OPT_Eonly: 867 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 868 } 869 } 870 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 871 Opts.ProgramAction = frontend::PluginAction; 872 Opts.ActionName = A->getValue(Args); 873 } 874 875 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 876 Opts.CodeCompletionAt = 877 ParsedSourceLocation::FromString(A->getValue(Args)); 878 if (Opts.CodeCompletionAt.FileName.empty()) 879 Diags.Report(diag::err_drv_invalid_value) 880 << A->getAsString(Args) << A->getValue(Args); 881 } 882 Opts.DebugCodeCompletionPrinter = 883 !Args.hasArg(OPT_no_code_completion_debug_printer); 884 Opts.DisableFree = Args.hasArg(OPT_disable_free); 885 Opts.EmptyInputOnly = Args.hasArg(OPT_empty_input_only); 886 887 Opts.FixItLocations.clear(); 888 for (arg_iterator it = Args.filtered_begin(OPT_fixit_at), 889 ie = Args.filtered_end(); it != ie; ++it) { 890 const char *Loc = it->getValue(Args); 891 ParsedSourceLocation PSL = ParsedSourceLocation::FromString(Loc); 892 893 if (PSL.FileName.empty()) { 894 Diags.Report(diag::err_drv_invalid_value) << it->getAsString(Args) << Loc; 895 continue; 896 } 897 898 Opts.FixItLocations.push_back(PSL); 899 } 900 901 Opts.OutputFile = getLastArgValue(Args, OPT_o); 902 Opts.Plugins = getAllArgValues(Args, OPT_load); 903 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 904 Opts.ShowHelp = Args.hasArg(OPT_help); 905 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 906 Opts.ShowStats = Args.hasArg(OPT_print_stats); 907 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 908 Opts.ShowVersion = Args.hasArg(OPT_version); 909 Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view); 910 911 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 912 if (const Arg *A = Args.getLastArg(OPT_x)) { 913 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 914 .Case("c", FrontendOptions::IK_C) 915 .Case("cl", FrontendOptions::IK_OpenCL) 916 .Case("c", FrontendOptions::IK_C) 917 .Case("cl", FrontendOptions::IK_OpenCL) 918 .Case("c++", FrontendOptions::IK_CXX) 919 .Case("objective-c", FrontendOptions::IK_ObjC) 920 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 921 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 922 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 923 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 924 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 925 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 926 .Case("c-header", FrontendOptions::IK_C) 927 .Case("objective-c-header", FrontendOptions::IK_ObjC) 928 .Case("c++-header", FrontendOptions::IK_CXX) 929 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 930 .Case("ast", FrontendOptions::IK_AST) 931 .Default(FrontendOptions::IK_None); 932 if (DashX == FrontendOptions::IK_None) 933 Diags.Report(diag::err_drv_invalid_value) 934 << A->getAsString(Args) << A->getValue(Args); 935 } 936 937 // '-' is the default input if none is given. 938 std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT); 939 Opts.Inputs.clear(); 940 if (Inputs.empty()) 941 Inputs.push_back("-"); 942 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 943 FrontendOptions::InputKind IK = DashX; 944 if (IK == FrontendOptions::IK_None) { 945 IK = FrontendOptions::getInputKindForExtension( 946 llvm::StringRef(Inputs[i]).rsplit('.').second); 947 // FIXME: Remove this hack. 948 if (i == 0) 949 DashX = IK; 950 } 951 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 952 } 953 954 return DashX; 955 } 956 957 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 958 void *MainAddr) { 959 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 960 961 if (!P.isEmpty()) { 962 P.eraseComponent(); // Remove /clang from foo/bin/clang 963 P.eraseComponent(); // Remove /bin from foo/bin 964 965 // Get foo/lib/clang/<version>/include 966 P.appendComponent("lib"); 967 P.appendComponent("clang"); 968 P.appendComponent(CLANG_VERSION_STRING); 969 } 970 971 return P.str(); 972 } 973 974 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 975 using namespace cc1options; 976 Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/"); 977 Opts.Verbose = Args.hasArg(OPT_v); 978 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 979 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 980 Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir); 981 982 // Add -I... and -F... options in order. 983 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 984 ie = Args.filtered_end(); it != ie; ++it) 985 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 986 /*IsFramework=*/ it->getOption().matches(OPT_F)); 987 988 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 989 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 990 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 991 OPT_iwithprefixbefore), 992 ie = Args.filtered_end(); it != ie; ++it) { 993 if (it->getOption().matches(OPT_iprefix)) 994 Prefix = it->getValue(Args); 995 else if (it->getOption().matches(OPT_iwithprefix)) 996 Opts.AddPath(Prefix.str() + it->getValue(Args), 997 frontend::System, false, false); 998 else 999 Opts.AddPath(Prefix.str() + it->getValue(Args), 1000 frontend::Angled, false, false); 1001 } 1002 1003 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1004 ie = Args.filtered_end(); it != ie; ++it) 1005 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 1006 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1007 ie = Args.filtered_end(); it != ie; ++it) 1008 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 1009 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1010 ie = Args.filtered_end(); it != ie; ++it) 1011 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1012 1013 // FIXME: Need options for the various environment variables! 1014 } 1015 1016 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1017 FrontendOptions::InputKind IK, 1018 Diagnostic &Diags) { 1019 // FIXME: Cleanup per-file based stuff. 1020 1021 // Set some properties which depend soley on the input kind; it would be nice 1022 // to move these to the language standard, and have the driver resolve the 1023 // input kind + language standard. 1024 if (IK == FrontendOptions::IK_Asm) { 1025 Opts.AsmPreprocessor = 1; 1026 } else if (IK == FrontendOptions::IK_ObjC || 1027 IK == FrontendOptions::IK_ObjCXX || 1028 IK == FrontendOptions::IK_PreprocessedObjC || 1029 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1030 Opts.ObjC1 = Opts.ObjC2 = 1; 1031 } 1032 1033 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1034 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1035 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1036 #define LANGSTANDARD(id, name, desc, features) \ 1037 .Case(name, LangStandard::lang_##id) 1038 #include "clang/Frontend/LangStandards.def" 1039 .Default(LangStandard::lang_unspecified); 1040 if (LangStd == LangStandard::lang_unspecified) 1041 Diags.Report(diag::err_drv_invalid_value) 1042 << A->getAsString(Args) << A->getValue(Args); 1043 } 1044 1045 if (LangStd == LangStandard::lang_unspecified) { 1046 // Based on the base language, pick one. 1047 switch (IK) { 1048 case FrontendOptions::IK_None: 1049 case FrontendOptions::IK_AST: 1050 assert(0 && "Invalid input kind!"); 1051 case FrontendOptions::IK_OpenCL: 1052 LangStd = LangStandard::lang_opencl; 1053 break; 1054 case FrontendOptions::IK_Asm: 1055 case FrontendOptions::IK_C: 1056 case FrontendOptions::IK_PreprocessedC: 1057 case FrontendOptions::IK_ObjC: 1058 case FrontendOptions::IK_PreprocessedObjC: 1059 LangStd = LangStandard::lang_gnu99; 1060 break; 1061 case FrontendOptions::IK_CXX: 1062 case FrontendOptions::IK_PreprocessedCXX: 1063 case FrontendOptions::IK_ObjCXX: 1064 case FrontendOptions::IK_PreprocessedObjCXX: 1065 LangStd = LangStandard::lang_gnucxx98; 1066 break; 1067 } 1068 } 1069 1070 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1071 Opts.BCPLComment = Std.hasBCPLComments(); 1072 Opts.C99 = Std.isC99(); 1073 Opts.CPlusPlus = Std.isCPlusPlus(); 1074 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1075 Opts.Digraphs = Std.hasDigraphs(); 1076 Opts.GNUMode = Std.isGNUMode(); 1077 Opts.GNUInline = !Std.isC99(); 1078 Opts.HexFloats = Std.hasHexFloats(); 1079 Opts.ImplicitInt = Std.hasImplicitInt(); 1080 1081 // OpenCL has some additional defaults. 1082 if (LangStd == LangStandard::lang_opencl) { 1083 Opts.OpenCL = 1; 1084 Opts.AltiVec = 1; 1085 Opts.CXXOperatorNames = 1; 1086 Opts.LaxVectorConversions = 1; 1087 } 1088 1089 // OpenCL and C++ both have bool, true, false keywords. 1090 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1091 1092 if (Opts.CPlusPlus) 1093 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1094 1095 if (Args.hasArg(OPT_fobjc_gc_only)) 1096 Opts.setGCMode(LangOptions::GCOnly); 1097 else if (Args.hasArg(OPT_fobjc_gc)) 1098 Opts.setGCMode(LangOptions::HybridGC); 1099 1100 if (Args.hasArg(OPT_print_ivar_layout)) 1101 Opts.ObjCGCBitmapPrint = 1; 1102 1103 if (Args.hasArg(OPT_faltivec)) 1104 Opts.AltiVec = 1; 1105 1106 if (Args.hasArg(OPT_pthread)) 1107 Opts.POSIXThreads = 1; 1108 1109 llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility, 1110 "default"); 1111 if (Vis == "default") 1112 Opts.setVisibilityMode(LangOptions::Default); 1113 else if (Vis == "hidden") 1114 Opts.setVisibilityMode(LangOptions::Hidden); 1115 else if (Vis == "protected") 1116 Opts.setVisibilityMode(LangOptions::Protected); 1117 else 1118 Diags.Report(diag::err_drv_invalid_value) 1119 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1120 1121 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1122 1123 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1124 // is specified, or -std is set to a conforming mode. 1125 Opts.Trigraphs = !Opts.GNUMode; 1126 if (Args.hasArg(OPT_trigraphs)) 1127 Opts.Trigraphs = 1; 1128 1129 Opts.DollarIdents = !Opts.AsmPreprocessor; 1130 if (Args.hasArg(OPT_fdollars_in_identifiers)) 1131 Opts.DollarIdents = 1; 1132 1133 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1134 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1135 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1136 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1137 Opts.LaxVectorConversions = 0; 1138 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1139 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1140 Opts.Blocks = Args.hasArg(OPT_fblocks); 1141 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1142 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1143 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1144 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1145 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1146 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1147 Opts.AccessControl = Args.hasArg(OPT_faccess_control); 1148 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1149 Opts.MathErrno = !Args.hasArg(OPT_fno_math_errno); 1150 Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99, 1151 Diags); 1152 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1153 Opts.ObjCConstantStringClass = getLastArgValue(Args, 1154 OPT_fconstant_string_class); 1155 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1156 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1157 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1158 Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); 1159 Opts.Static = Args.hasArg(OPT_static_define); 1160 Opts.OptimizeSize = 0; 1161 1162 // FIXME: Eliminate this dependency. 1163 unsigned Opt = 1164 Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); 1165 Opts.Optimize = Opt != 0; 1166 1167 // This is the __NO_INLINE__ define, which just depends on things like the 1168 // optimization level and -fno-inline, not actually whether the backend has 1169 // inlining enabled. 1170 // 1171 // FIXME: This is affected by other options (-fno-inline). 1172 Opts.NoInline = !Opt; 1173 1174 unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); 1175 switch (SSP) { 1176 default: 1177 Diags.Report(diag::err_drv_invalid_value) 1178 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1179 break; 1180 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1181 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1182 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1183 } 1184 } 1185 1186 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1187 Diagnostic &Diags) { 1188 using namespace cc1options; 1189 Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch); 1190 Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth); 1191 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1192 Opts.TokenCache = A->getValue(Args); 1193 else 1194 Opts.TokenCache = Opts.ImplicitPTHInclude; 1195 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1196 1197 // Add macros from the command line. 1198 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1199 ie = Args.filtered_end(); it != ie; ++it) { 1200 if (it->getOption().matches(OPT_D)) 1201 Opts.addMacroDef(it->getValue(Args)); 1202 else 1203 Opts.addMacroUndef(it->getValue(Args)); 1204 } 1205 1206 Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros); 1207 1208 // Add the ordered list of -includes. 1209 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1210 OPT_include_pth), 1211 ie = Args.filtered_end(); it != ie; ++it) { 1212 // PCH is handled specially, we need to extra the original include path. 1213 if (it->getOption().matches(OPT_include_pch)) { 1214 std::string OriginalFile = 1215 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags); 1216 if (OriginalFile.empty()) 1217 continue; 1218 1219 Opts.Includes.push_back(OriginalFile); 1220 } else 1221 Opts.Includes.push_back(it->getValue(Args)); 1222 } 1223 1224 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1225 ie = Args.filtered_end(); it != ie; ++it) { 1226 std::pair<llvm::StringRef,llvm::StringRef> Split = 1227 llvm::StringRef(it->getValue(Args)).split(';'); 1228 1229 if (Split.second.empty()) { 1230 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1231 continue; 1232 } 1233 1234 Opts.addRemappedFile(Split.first, Split.second); 1235 } 1236 } 1237 1238 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1239 ArgList &Args) { 1240 using namespace cc1options; 1241 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1242 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1243 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1244 Opts.ShowComments = Args.hasArg(OPT_C); 1245 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1246 } 1247 1248 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1249 using namespace cc1options; 1250 Opts.ABI = getLastArgValue(Args, OPT_target_abi); 1251 Opts.CPU = getLastArgValue(Args, OPT_mcpu); 1252 Opts.Triple = getLastArgValue(Args, OPT_triple); 1253 Opts.Features = getAllArgValues(Args, OPT_target_feature); 1254 1255 // Use the host triple if unspecified. 1256 if (Opts.Triple.empty()) 1257 Opts.Triple = llvm::sys::getHostTriple(); 1258 } 1259 1260 // 1261 1262 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1263 const char **ArgBegin, 1264 const char **ArgEnd, 1265 Diagnostic &Diags) { 1266 // Parse the arguments. 1267 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1268 unsigned MissingArgIndex, MissingArgCount; 1269 llvm::OwningPtr<InputArgList> Args( 1270 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1271 1272 // Check for missing argument error. 1273 if (MissingArgCount) 1274 Diags.Report(diag::err_drv_missing_argument) 1275 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1276 1277 // Issue errors on unknown arguments. 1278 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1279 ie = Args->filtered_end(); it != ie; ++it) 1280 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1281 1282 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1283 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1284 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1285 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1286 FrontendOptions::InputKind DashX = 1287 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1288 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1289 if (DashX != FrontendOptions::IK_AST) 1290 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1291 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1292 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1293 ParseTargetArgs(Res.getTargetOpts(), *Args); 1294 } 1295