CompilerInvocation.cpp revision 224145
1//===--- CompilerInvocation.cpp -------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "clang/Frontend/CompilerInvocation.h" 11#include "clang/Basic/Diagnostic.h" 12#include "clang/Basic/Version.h" 13#include "clang/Basic/FileManager.h" 14#include "clang/Driver/Arg.h" 15#include "clang/Driver/ArgList.h" 16#include "clang/Driver/CC1Options.h" 17#include "clang/Driver/DriverDiagnostic.h" 18#include "clang/Driver/OptTable.h" 19#include "clang/Driver/Option.h" 20#include "clang/Frontend/CompilerInvocation.h" 21#include "clang/Frontend/LangStandard.h" 22#include "clang/Serialization/ASTReader.h" 23#include "llvm/ADT/OwningPtr.h" 24#include "llvm/ADT/SmallVector.h" 25#include "llvm/ADT/StringExtras.h" 26#include "llvm/ADT/StringSwitch.h" 27#include "llvm/ADT/Triple.h" 28#include "llvm/Support/ErrorHandling.h" 29#include "llvm/Support/Host.h" 30#include "llvm/Support/Path.h" 31using namespace clang; 32 33static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39#include "clang/Frontend/Analyses.def" 40 } 41} 42 43static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49#include "clang/Frontend/Analyses.def" 50 } 51} 52 53static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59#include "clang/Frontend/Analyses.def" 60 } 61} 62 63//===----------------------------------------------------------------------===// 64// Serialization (to args) 65//===----------------------------------------------------------------------===// 66 67static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 68 std::vector<std::string> &Res) { 69 if (Opts.ShowCheckerHelp) 70 Res.push_back("-analyzer-checker-help"); 71 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 72 Res.push_back("-analyzer-store"); 73 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 74 } 75 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 76 Res.push_back("-analyzer-constraints"); 77 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 78 } 79 if (Opts.AnalysisDiagOpt != PD_HTML) { 80 Res.push_back("-analyzer-output"); 81 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 82 } 83 if (!Opts.AnalyzeSpecificFunction.empty()) { 84 Res.push_back("-analyze-function"); 85 Res.push_back(Opts.AnalyzeSpecificFunction); 86 } 87 if (Opts.AnalyzeAll) 88 Res.push_back("-analyzer-opt-analyze-headers"); 89 if (Opts.AnalyzerDisplayProgress) 90 Res.push_back("-analyzer-display-progress"); 91 if (Opts.AnalyzeNestedBlocks) 92 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 93 if (Opts.EagerlyAssume) 94 Res.push_back("-analyzer-eagerly-assume"); 95 if (!Opts.PurgeDead) 96 Res.push_back("-analyzer-no-purge-dead"); 97 if (Opts.TrimGraph) 98 Res.push_back("-trim-egraph"); 99 if (Opts.VisualizeEGDot) 100 Res.push_back("-analyzer-viz-egraph-graphviz"); 101 if (Opts.VisualizeEGUbi) 102 Res.push_back("-analyzer-viz-egraph-ubigraph"); 103 104 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 105 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 106 if (opt.second) 107 Res.push_back("-analyzer-disable-checker"); 108 else 109 Res.push_back("-analyzer-checker"); 110 Res.push_back(opt.first); 111 } 112} 113 114static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 115 std::vector<std::string> &Res) { 116 if (Opts.DebugInfo) 117 Res.push_back("-g"); 118 if (Opts.DisableLLVMOpts) 119 Res.push_back("-disable-llvm-optzns"); 120 if (Opts.DisableRedZone) 121 Res.push_back("-disable-red-zone"); 122 if (!Opts.DwarfDebugFlags.empty()) { 123 Res.push_back("-dwarf-debug-flags"); 124 Res.push_back(Opts.DwarfDebugFlags); 125 } 126 if (Opts.ObjCRuntimeHasARC) 127 Res.push_back("-fobjc-runtime-has-arc"); 128 if (Opts.ObjCRuntimeHasTerminate) 129 Res.push_back("-fobjc-runtime-has-terminate"); 130 if (Opts.EmitGcovArcs) 131 Res.push_back("-femit-coverage-data"); 132 if (Opts.EmitGcovNotes) 133 Res.push_back("-femit-coverage-notes"); 134 if (!Opts.MergeAllConstants) 135 Res.push_back("-fno-merge-all-constants"); 136 if (Opts.NoCommon) 137 Res.push_back("-fno-common"); 138 if (Opts.ForbidGuardVariables) 139 Res.push_back("-fforbid-guard-variables"); 140 if (Opts.UseRegisterSizedBitfieldAccess) 141 Res.push_back("-fuse-register-sized-bitfield-access"); 142 if (Opts.NoImplicitFloat) 143 Res.push_back("-no-implicit-float"); 144 if (Opts.OmitLeafFramePointer) 145 Res.push_back("-momit-leaf-frame-pointer"); 146 if (Opts.OptimizeSize) { 147 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 148 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 149 } else if (Opts.OptimizationLevel != 0) 150 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 151 if (!Opts.MainFileName.empty()) { 152 Res.push_back("-main-file-name"); 153 Res.push_back(Opts.MainFileName); 154 } 155 // SimplifyLibCalls is only derived. 156 // TimePasses is only derived. 157 // UnitAtATime is unused. 158 // Inlining is only derived. 159 160 // UnrollLoops is derived, but also accepts an option, no 161 // harm in pushing it back here. 162 if (Opts.UnrollLoops) 163 Res.push_back("-funroll-loops"); 164 if (Opts.DataSections) 165 Res.push_back("-fdata-sections"); 166 if (Opts.FunctionSections) 167 Res.push_back("-ffunction-sections"); 168 if (Opts.AsmVerbose) 169 Res.push_back("-masm-verbose"); 170 if (!Opts.CodeModel.empty()) { 171 Res.push_back("-mcode-model"); 172 Res.push_back(Opts.CodeModel); 173 } 174 if (!Opts.CXAAtExit) 175 Res.push_back("-fno-use-cxa-atexit"); 176 if (Opts.CXXCtorDtorAliases) 177 Res.push_back("-mconstructor-aliases"); 178 if (Opts.ObjCAutoRefCountExceptions) 179 Res.push_back("-fobjc-arc-eh"); 180 if (!Opts.DebugPass.empty()) { 181 Res.push_back("-mdebug-pass"); 182 Res.push_back(Opts.DebugPass); 183 } 184 if (Opts.DisableFPElim) 185 Res.push_back("-mdisable-fp-elim"); 186 if (!Opts.FloatABI.empty()) { 187 Res.push_back("-mfloat-abi"); 188 Res.push_back(Opts.FloatABI); 189 } 190 if (!Opts.LimitFloatPrecision.empty()) { 191 Res.push_back("-mlimit-float-precision"); 192 Res.push_back(Opts.LimitFloatPrecision); 193 } 194 if (Opts.NoZeroInitializedInBSS) 195 Res.push_back("-mno-zero-initialized-bss"); 196 switch (Opts.getObjCDispatchMethod()) { 197 case CodeGenOptions::Legacy: 198 break; 199 case CodeGenOptions::Mixed: 200 Res.push_back("-fobjc-dispatch-method=mixed"); 201 break; 202 case CodeGenOptions::NonLegacy: 203 Res.push_back("-fobjc-dispatch-method=non-legacy"); 204 break; 205 } 206 if (Opts.NumRegisterParameters) { 207 Res.push_back("-mregparm"); 208 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 209 } 210 if (Opts.NoExecStack) 211 Res.push_back("-mnoexecstack"); 212 if (Opts.RelaxAll) 213 Res.push_back("-mrelax-all"); 214 if (Opts.SaveTempLabels) 215 Res.push_back("-msave-temp-labels"); 216 if (Opts.NoDwarf2CFIAsm) 217 Res.push_back("-fno-dwarf2-cfi-asm"); 218 if (Opts.SoftFloat) 219 Res.push_back("-msoft-float"); 220 if (Opts.UnwindTables) 221 Res.push_back("-munwind-tables"); 222 if (Opts.RelocationModel != "pic") { 223 Res.push_back("-mrelocation-model"); 224 Res.push_back(Opts.RelocationModel); 225 } 226 if (!Opts.VerifyModule) 227 Res.push_back("-disable-llvm-verifier"); 228 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 229 Res.push_back("-backend-option"); 230 Res.push_back(Opts.BackendOptions[i]); 231 } 232} 233 234static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 235 std::vector<std::string> &Res) { 236 if (Opts.IncludeSystemHeaders) 237 Res.push_back("-sys-header-deps"); 238 if (Opts.ShowHeaderIncludes) 239 Res.push_back("-H"); 240 if (!Opts.HeaderIncludeOutputFile.empty()) { 241 Res.push_back("-header-include-file"); 242 Res.push_back(Opts.HeaderIncludeOutputFile); 243 } 244 if (Opts.UsePhonyTargets) 245 Res.push_back("-MP"); 246 if (!Opts.OutputFile.empty()) { 247 Res.push_back("-dependency-file"); 248 Res.push_back(Opts.OutputFile); 249 } 250 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 251 Res.push_back("-MT"); 252 Res.push_back(Opts.Targets[i]); 253 } 254} 255 256static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 257 std::vector<std::string> &Res) { 258 if (Opts.IgnoreWarnings) 259 Res.push_back("-w"); 260 if (Opts.NoRewriteMacros) 261 Res.push_back("-Wno-rewrite-macros"); 262 if (Opts.Pedantic) 263 Res.push_back("-pedantic"); 264 if (Opts.PedanticErrors) 265 Res.push_back("-pedantic-errors"); 266 if (!Opts.ShowColumn) 267 Res.push_back("-fno-show-column"); 268 if (!Opts.ShowLocation) 269 Res.push_back("-fno-show-source-location"); 270 if (!Opts.ShowCarets) 271 Res.push_back("-fno-caret-diagnostics"); 272 if (!Opts.ShowFixits) 273 Res.push_back("-fno-diagnostics-fixit-info"); 274 if (Opts.ShowSourceRanges) 275 Res.push_back("-fdiagnostics-print-source-range-info"); 276 if (Opts.ShowParseableFixits) 277 Res.push_back("-fdiagnostics-parseable-fixits"); 278 if (Opts.ShowColors) 279 Res.push_back("-fcolor-diagnostics"); 280 if (Opts.VerifyDiagnostics) 281 Res.push_back("-verify"); 282 if (Opts.ShowNames) 283 Res.push_back("-fdiagnostics-show-name"); 284 if (Opts.ShowOptionNames) 285 Res.push_back("-fdiagnostics-show-option"); 286 if (Opts.ShowCategories == 1) 287 Res.push_back("-fdiagnostics-show-category=id"); 288 else if (Opts.ShowCategories == 2) 289 Res.push_back("-fdiagnostics-show-category=name"); 290 switch (Opts.Format) { 291 case DiagnosticOptions::Clang: 292 Res.push_back("-fdiagnostics-format=clang"); break; 293 case DiagnosticOptions::Msvc: 294 Res.push_back("-fdiagnostics-format=msvc"); break; 295 case DiagnosticOptions::Vi: 296 Res.push_back("-fdiagnostics-format=vi"); break; 297 } 298 if (Opts.ErrorLimit) { 299 Res.push_back("-ferror-limit"); 300 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 301 } 302 if (!Opts.DiagnosticLogFile.empty()) { 303 Res.push_back("-diagnostic-log-file"); 304 Res.push_back(Opts.DiagnosticLogFile); 305 } 306 if (Opts.MacroBacktraceLimit 307 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 308 Res.push_back("-fmacro-backtrace-limit"); 309 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 310 } 311 if (Opts.TemplateBacktraceLimit 312 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 313 Res.push_back("-ftemplate-backtrace-limit"); 314 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 315 } 316 317 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 318 Res.push_back("-ftabstop"); 319 Res.push_back(llvm::utostr(Opts.TabStop)); 320 } 321 if (Opts.MessageLength) { 322 Res.push_back("-fmessage-length"); 323 Res.push_back(llvm::utostr(Opts.MessageLength)); 324 } 325 if (!Opts.DumpBuildInformation.empty()) { 326 Res.push_back("-dump-build-information"); 327 Res.push_back(Opts.DumpBuildInformation); 328 } 329 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 330 Res.push_back("-W" + Opts.Warnings[i]); 331} 332 333static const char *getInputKindName(InputKind Kind) { 334 switch (Kind) { 335 case IK_None: break; 336 case IK_AST: return "ast"; 337 case IK_Asm: return "assembler-with-cpp"; 338 case IK_C: return "c"; 339 case IK_CXX: return "c++"; 340 case IK_LLVM_IR: return "ir"; 341 case IK_ObjC: return "objective-c"; 342 case IK_ObjCXX: return "objective-c++"; 343 case IK_OpenCL: return "cl"; 344 case IK_CUDA: return "cuda"; 345 case IK_PreprocessedC: return "cpp-output"; 346 case IK_PreprocessedCXX: return "c++-cpp-output"; 347 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 348 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 349 } 350 351 llvm_unreachable("Unexpected language kind!"); 352 return 0; 353} 354 355static const char *getActionName(frontend::ActionKind Kind) { 356 switch (Kind) { 357 case frontend::PluginAction: 358 llvm_unreachable("Invalid kind!"); 359 360 case frontend::ASTDump: return "-ast-dump"; 361 case frontend::ASTDumpXML: return "-ast-dump-xml"; 362 case frontend::ASTPrint: return "-ast-print"; 363 case frontend::ASTView: return "-ast-view"; 364 case frontend::CreateModule: return "-create-module"; 365 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 366 case frontend::DumpTokens: return "-dump-tokens"; 367 case frontend::EmitAssembly: return "-S"; 368 case frontend::EmitBC: return "-emit-llvm-bc"; 369 case frontend::EmitHTML: return "-emit-html"; 370 case frontend::EmitLLVM: return "-emit-llvm"; 371 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 372 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 373 case frontend::EmitObj: return "-emit-obj"; 374 case frontend::FixIt: return "-fixit"; 375 case frontend::GeneratePCH: return "-emit-pch"; 376 case frontend::GeneratePTH: return "-emit-pth"; 377 case frontend::InitOnly: return "-init-only"; 378 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 379 case frontend::PrintDeclContext: return "-print-decl-contexts"; 380 case frontend::PrintPreamble: return "-print-preamble"; 381 case frontend::PrintPreprocessedInput: return "-E"; 382 case frontend::RewriteMacros: return "-rewrite-macros"; 383 case frontend::RewriteObjC: return "-rewrite-objc"; 384 case frontend::RewriteTest: return "-rewrite-test"; 385 case frontend::RunAnalysis: return "-analyze"; 386 case frontend::RunPreprocessorOnly: return "-Eonly"; 387 } 388 389 llvm_unreachable("Unexpected language kind!"); 390 return 0; 391} 392 393static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 394 std::vector<std::string> &Res) { 395 if (!Opts.WorkingDir.empty()) { 396 Res.push_back("-working-directory"); 397 Res.push_back(Opts.WorkingDir); 398 } 399} 400 401static void FrontendOptsToArgs(const FrontendOptions &Opts, 402 std::vector<std::string> &Res) { 403 if (Opts.DisableFree) 404 Res.push_back("-disable-free"); 405 if (Opts.RelocatablePCH) 406 Res.push_back("-relocatable-pch"); 407 if (Opts.ChainedPCH) 408 Res.push_back("-chained-pch"); 409 if (Opts.ShowHelp) 410 Res.push_back("-help"); 411 if (Opts.ShowMacrosInCodeCompletion) 412 Res.push_back("-code-completion-macros"); 413 if (Opts.ShowCodePatternsInCodeCompletion) 414 Res.push_back("-code-completion-patterns"); 415 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 416 Res.push_back("-no-code-completion-globals"); 417 if (Opts.ShowStats) 418 Res.push_back("-print-stats"); 419 if (Opts.ShowTimers) 420 Res.push_back("-ftime-report"); 421 if (Opts.ShowVersion) 422 Res.push_back("-version"); 423 if (Opts.FixWhatYouCan) 424 Res.push_back("-fix-what-you-can"); 425 switch (Opts.ARCMTAction) { 426 case FrontendOptions::ARCMT_None: 427 break; 428 case FrontendOptions::ARCMT_Check: 429 Res.push_back("-arcmt-check"); 430 break; 431 case FrontendOptions::ARCMT_Modify: 432 Res.push_back("-arcmt-modify"); 433 break; 434 case FrontendOptions::ARCMT_Migrate: 435 Res.push_back("-arcmt-migrate"); 436 break; 437 } 438 if (!Opts.ARCMTMigrateDir.empty()) { 439 Res.push_back("-arcmt-migrate-directory"); 440 Res.push_back(Opts.ARCMTMigrateDir); 441 } 442 443 bool NeedLang = false; 444 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 445 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 446 Opts.Inputs[i].first) 447 NeedLang = true; 448 if (NeedLang) { 449 Res.push_back("-x"); 450 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 451 } 452 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 453 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 454 "Unable to represent this input vector!"); 455 Res.push_back(Opts.Inputs[i].second); 456 } 457 458 if (!Opts.OutputFile.empty()) { 459 Res.push_back("-o"); 460 Res.push_back(Opts.OutputFile); 461 } 462 if (!Opts.CodeCompletionAt.FileName.empty()) { 463 Res.push_back("-code-completion-at"); 464 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 465 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 466 llvm::utostr(Opts.CodeCompletionAt.Column)); 467 } 468 if (Opts.ProgramAction != frontend::PluginAction) 469 Res.push_back(getActionName(Opts.ProgramAction)); 470 if (!Opts.ActionName.empty()) { 471 Res.push_back("-plugin"); 472 Res.push_back(Opts.ActionName); 473 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 474 Res.push_back("-plugin-arg-" + Opts.ActionName); 475 Res.push_back(Opts.PluginArgs[i]); 476 } 477 } 478 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 479 Res.push_back("-load"); 480 Res.push_back(Opts.Plugins[i]); 481 } 482 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 483 Res.push_back("-add-plugin"); 484 Res.push_back(Opts.AddPluginActions[i]); 485 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 486 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 487 Res.push_back(Opts.AddPluginArgs[i][ai]); 488 } 489 } 490 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 491 Res.push_back("-ast-merge"); 492 Res.push_back(Opts.ASTMergeFiles[i]); 493 } 494 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 495 Res.push_back("-import-module"); 496 Res.push_back(Opts.Modules[i]); 497 } 498 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 499 Res.push_back("-mllvm"); 500 Res.push_back(Opts.LLVMArgs[i]); 501 } 502} 503 504static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 505 std::vector<std::string> &Res) { 506 if (Opts.Sysroot != "/") { 507 Res.push_back("-isysroot"); 508 Res.push_back(Opts.Sysroot); 509 } 510 511 /// User specified include entries. 512 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 513 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 514 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 515 llvm::report_fatal_error("Invalid option set!"); 516 if (E.IsUserSupplied) { 517 if (E.Group == frontend::After) { 518 Res.push_back("-idirafter"); 519 } else if (E.Group == frontend::Quoted) { 520 Res.push_back("-iquote"); 521 } else if (E.Group == frontend::System) { 522 Res.push_back("-isystem"); 523 } else if (E.Group == frontend::CXXSystem) { 524 Res.push_back("-cxx-isystem"); 525 } else { 526 assert(E.Group == frontend::Angled && "Invalid group!"); 527 Res.push_back(E.IsFramework ? "-F" : "-I"); 528 } 529 } else { 530 if (E.Group != frontend::Angled && E.Group != frontend::System) 531 llvm::report_fatal_error("Invalid option set!"); 532 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 533 "-iwithprefix"); 534 } 535 Res.push_back(E.Path); 536 } 537 538 if (!Opts.EnvIncPath.empty()) { 539 // FIXME: Provide an option for this, and move env detection to driver. 540 llvm::report_fatal_error("Not yet implemented!"); 541 } 542 if (!Opts.CEnvIncPath.empty()) { 543 // FIXME: Provide an option for this, and move env detection to driver. 544 llvm::report_fatal_error("Not yet implemented!"); 545 } 546 if (!Opts.ObjCEnvIncPath.empty()) { 547 // FIXME: Provide an option for this, and move env detection to driver. 548 llvm::report_fatal_error("Not yet implemented!"); 549 } 550 if (!Opts.CXXEnvIncPath.empty()) { 551 // FIXME: Provide an option for this, and move env detection to driver. 552 llvm::report_fatal_error("Not yet implemented!"); 553 } 554 if (!Opts.ObjCXXEnvIncPath.empty()) { 555 // FIXME: Provide an option for this, and move env detection to driver. 556 llvm::report_fatal_error("Not yet implemented!"); 557 } 558 if (!Opts.ResourceDir.empty()) { 559 Res.push_back("-resource-dir"); 560 Res.push_back(Opts.ResourceDir); 561 } 562 if (!Opts.UseStandardIncludes) 563 Res.push_back("-nostdinc"); 564 if (!Opts.UseStandardCXXIncludes) 565 Res.push_back("-nostdinc++"); 566 if (Opts.UseLibcxx) 567 Res.push_back("-stdlib=libc++"); 568 if (Opts.Verbose) 569 Res.push_back("-v"); 570} 571 572static void LangOptsToArgs(const LangOptions &Opts, 573 std::vector<std::string> &Res) { 574 LangOptions DefaultLangOpts; 575 576 // FIXME: Need to set -std to get all the implicit options. 577 578 // FIXME: We want to only pass options relative to the defaults, which 579 // requires constructing a target. :( 580 // 581 // It would be better to push the all target specific choices into the driver, 582 // so that everything below that was more uniform. 583 584 if (Opts.Trigraphs) 585 Res.push_back("-trigraphs"); 586 // Implicit based on the input kind: 587 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 588 // Implicit based on the input language standard: 589 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 590 if (Opts.DollarIdents) 591 Res.push_back("-fdollars-in-identifiers"); 592 if (Opts.GNUMode && !Opts.GNUKeywords) 593 Res.push_back("-fno-gnu-keywords"); 594 if (!Opts.GNUMode && Opts.GNUKeywords) 595 Res.push_back("-fgnu-keywords"); 596 if (Opts.Microsoft) 597 Res.push_back("-fms-extensions"); 598 if (Opts.MSCVersion != 0) 599 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 600 if (Opts.Borland) 601 Res.push_back("-fborland-extensions"); 602 if (Opts.ObjCNonFragileABI) 603 Res.push_back("-fobjc-nonfragile-abi"); 604 if (Opts.ObjCNonFragileABI2) 605 Res.push_back("-fobjc-nonfragile-abi"); 606 if (Opts.ObjCDefaultSynthProperties) 607 Res.push_back("-fobjc-default-synthesize-properties"); 608 // NoInline is implicit. 609 if (!Opts.CXXOperatorNames) 610 Res.push_back("-fno-operator-names"); 611 if (Opts.PascalStrings) 612 Res.push_back("-fpascal-strings"); 613 if (Opts.CatchUndefined) 614 Res.push_back("-fcatch-undefined-behavior"); 615 if (Opts.WritableStrings) 616 Res.push_back("-fwritable-strings"); 617 if (Opts.ConstStrings) 618 Res.push_back("-fconst-strings"); 619 if (!Opts.LaxVectorConversions) 620 Res.push_back("-fno-lax-vector-conversions"); 621 if (Opts.AltiVec) 622 Res.push_back("-faltivec"); 623 if (Opts.Exceptions) 624 Res.push_back("-fexceptions"); 625 if (Opts.ObjCExceptions) 626 Res.push_back("-fobjc-exceptions"); 627 if (Opts.CXXExceptions) 628 Res.push_back("-fcxx-exceptions"); 629 if (Opts.SjLjExceptions) 630 Res.push_back("-fsjlj-exceptions"); 631 if (Opts.TraditionalCPP) 632 Res.push_back("-traditional-cpp"); 633 if (!Opts.RTTI) 634 Res.push_back("-fno-rtti"); 635 if (Opts.MSBitfields) 636 Res.push_back("-mms-bitfields"); 637 if (!Opts.NeXTRuntime) 638 Res.push_back("-fgnu-runtime"); 639 if (Opts.Freestanding) 640 Res.push_back("-ffreestanding"); 641 if (Opts.FormatExtensions) 642 Res.push_back("-fformat-extensions"); 643 if (Opts.NoBuiltin) 644 Res.push_back("-fno-builtin"); 645 if (!Opts.AssumeSaneOperatorNew) 646 Res.push_back("-fno-assume-sane-operator-new"); 647 if (!Opts.ThreadsafeStatics) 648 Res.push_back("-fno-threadsafe-statics"); 649 if (Opts.POSIXThreads) 650 Res.push_back("-pthread"); 651 if (Opts.Blocks) 652 Res.push_back("-fblocks"); 653 if (Opts.EmitAllDecls) 654 Res.push_back("-femit-all-decls"); 655 if (Opts.MathErrno) 656 Res.push_back("-fmath-errno"); 657 switch (Opts.getSignedOverflowBehavior()) { 658 case LangOptions::SOB_Undefined: break; 659 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 660 case LangOptions::SOB_Trapping: 661 Res.push_back("-ftrapv"); break; 662 if (!Opts.OverflowHandler.empty()) { 663 Res.push_back("-ftrapv-handler"); 664 Res.push_back(Opts.OverflowHandler); 665 } 666 } 667 if (Opts.HeinousExtensions) 668 Res.push_back("-fheinous-gnu-extensions"); 669 // Optimize is implicit. 670 // OptimizeSize is implicit. 671 if (Opts.Static) 672 Res.push_back("-static-define"); 673 if (Opts.DumpRecordLayouts) 674 Res.push_back("-fdump-record-layouts"); 675 if (Opts.DumpVTableLayouts) 676 Res.push_back("-fdump-vtable-layouts"); 677 if (Opts.NoBitFieldTypeAlign) 678 Res.push_back("-fno-bitfield-type-alignment"); 679 if (Opts.PICLevel) { 680 Res.push_back("-pic-level"); 681 Res.push_back(llvm::utostr(Opts.PICLevel)); 682 } 683 if (Opts.ObjCGCBitmapPrint) 684 Res.push_back("-print-ivar-layout"); 685 if (Opts.NoConstantCFStrings) 686 Res.push_back("-fno-constant-cfstrings"); 687 if (!Opts.AccessControl) 688 Res.push_back("-fno-access-control"); 689 if (!Opts.CharIsSigned) 690 Res.push_back("-fno-signed-char"); 691 if (Opts.ShortWChar) 692 Res.push_back("-fshort-wchar"); 693 if (!Opts.ElideConstructors) 694 Res.push_back("-fno-elide-constructors"); 695 if (Opts.getGCMode() != LangOptions::NonGC) { 696 if (Opts.getGCMode() == LangOptions::HybridGC) { 697 Res.push_back("-fobjc-gc"); 698 } else { 699 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 700 Res.push_back("-fobjc-gc-only"); 701 } 702 } 703 if (Opts.ObjCAutoRefCount) 704 Res.push_back("-fobjc-arc"); 705 if (Opts.ObjCRuntimeHasWeak) 706 Res.push_back("-fobjc-runtime-has-weak"); 707 if (!Opts.ObjCInferRelatedResultType) 708 Res.push_back("-fno-objc-infer-related-result-type"); 709 710 if (Opts.AppleKext) 711 Res.push_back("-fapple-kext"); 712 713 if (Opts.getVisibilityMode() != DefaultVisibility) { 714 Res.push_back("-fvisibility"); 715 if (Opts.getVisibilityMode() == HiddenVisibility) { 716 Res.push_back("hidden"); 717 } else { 718 assert(Opts.getVisibilityMode() == ProtectedVisibility && 719 "Invalid visibility!"); 720 Res.push_back("protected"); 721 } 722 } 723 if (Opts.InlineVisibilityHidden) 724 Res.push_back("-fvisibility-inlines-hidden"); 725 726 if (Opts.getStackProtectorMode() != 0) { 727 Res.push_back("-stack-protector"); 728 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 729 } 730 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 731 Res.push_back("-ftemplate-depth"); 732 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 733 } 734 if (!Opts.ObjCConstantStringClass.empty()) { 735 Res.push_back("-fconstant-string-class"); 736 Res.push_back(Opts.ObjCConstantStringClass); 737 } 738 if (Opts.FakeAddressSpaceMap) 739 Res.push_back("-ffake-address-space-map"); 740 if (Opts.ParseUnknownAnytype) 741 Res.push_back("-funknown-anytype"); 742 if (Opts.DebuggerSupport) 743 Res.push_back("-fdebugger-support"); 744 if (Opts.DelayedTemplateParsing) 745 Res.push_back("-fdelayed-template-parsing"); 746 if (Opts.Deprecated) 747 Res.push_back("-fdeprecated-macro"); 748} 749 750static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 751 std::vector<std::string> &Res) { 752 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 753 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 754 Opts.Macros[i].first); 755 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 756 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 757 Res.push_back("-include"); 758 Res.push_back(Opts.Includes[i]); 759 } 760 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 761 Res.push_back("-imacros"); 762 Res.push_back(Opts.MacroIncludes[i]); 763 } 764 if (!Opts.UsePredefines) 765 Res.push_back("-undef"); 766 if (Opts.DetailedRecord) 767 Res.push_back("-detailed-preprocessing-record"); 768 if (!Opts.ImplicitPCHInclude.empty()) { 769 Res.push_back("-include-pch"); 770 Res.push_back(Opts.ImplicitPCHInclude); 771 } 772 if (!Opts.ImplicitPTHInclude.empty()) { 773 Res.push_back("-include-pth"); 774 Res.push_back(Opts.ImplicitPTHInclude); 775 } 776 if (!Opts.TokenCache.empty()) { 777 if (Opts.ImplicitPTHInclude.empty()) { 778 Res.push_back("-token-cache"); 779 Res.push_back(Opts.TokenCache); 780 } else 781 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 782 "Unsupported option combination!"); 783 } 784 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 785 Res.push_back("-chain-include"); 786 Res.push_back(Opts.ChainedIncludes[i]); 787 } 788 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 789 Res.push_back("-remap-file"); 790 Res.push_back(Opts.RemappedFiles[i].first + ";" + 791 Opts.RemappedFiles[i].second); 792 } 793} 794 795static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 796 std::vector<std::string> &Res) { 797 if (!Opts.ShowCPP && !Opts.ShowMacros) 798 llvm::report_fatal_error("Invalid option combination!"); 799 800 if (Opts.ShowCPP && Opts.ShowMacros) 801 Res.push_back("-dD"); 802 else if (!Opts.ShowCPP && Opts.ShowMacros) 803 Res.push_back("-dM"); 804 805 if (!Opts.ShowLineMarkers) 806 Res.push_back("-P"); 807 if (Opts.ShowComments) 808 Res.push_back("-C"); 809 if (Opts.ShowMacroComments) 810 Res.push_back("-CC"); 811} 812 813static void TargetOptsToArgs(const TargetOptions &Opts, 814 std::vector<std::string> &Res) { 815 Res.push_back("-triple"); 816 Res.push_back(Opts.Triple); 817 if (!Opts.CPU.empty()) { 818 Res.push_back("-target-cpu"); 819 Res.push_back(Opts.CPU); 820 } 821 if (!Opts.ABI.empty()) { 822 Res.push_back("-target-abi"); 823 Res.push_back(Opts.ABI); 824 } 825 if (!Opts.LinkerVersion.empty()) { 826 Res.push_back("-target-linker-version"); 827 Res.push_back(Opts.LinkerVersion); 828 } 829 if (!Opts.CXXABI.empty()) { 830 Res.push_back("-cxx-abi"); 831 Res.push_back(Opts.CXXABI); 832 } 833 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 834 Res.push_back("-target-feature"); 835 Res.push_back(Opts.Features[i]); 836 } 837} 838 839void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 840 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 841 CodeGenOptsToArgs(getCodeGenOpts(), Res); 842 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 843 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 844 FileSystemOptsToArgs(getFileSystemOpts(), Res); 845 FrontendOptsToArgs(getFrontendOpts(), Res); 846 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 847 LangOptsToArgs(getLangOpts(), Res); 848 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 849 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 850 TargetOptsToArgs(getTargetOpts(), Res); 851} 852 853//===----------------------------------------------------------------------===// 854// Deserialization (to args) 855//===----------------------------------------------------------------------===// 856 857using namespace clang::driver; 858using namespace clang::driver::cc1options; 859 860// 861 862static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 863 Diagnostic &Diags) { 864 unsigned DefaultOpt = 0; 865 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 866 DefaultOpt = 2; 867 // -Os/-Oz implies -O2 868 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 869 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 870} 871 872static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 873 Diagnostic &Diags) { 874 using namespace cc1options; 875 876 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 877 llvm::StringRef Name = A->getValue(Args); 878 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 879#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 880 .Case(CMDFLAG, NAME##Model) 881#include "clang/Frontend/Analyses.def" 882 .Default(NumStores); 883 // FIXME: Error handling. 884 if (Value == NumStores) 885 Diags.Report(diag::err_drv_invalid_value) 886 << A->getAsString(Args) << Name; 887 else 888 Opts.AnalysisStoreOpt = Value; 889 } 890 891 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 892 llvm::StringRef Name = A->getValue(Args); 893 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 894#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 895 .Case(CMDFLAG, NAME##Model) 896#include "clang/Frontend/Analyses.def" 897 .Default(NumConstraints); 898 // FIXME: Error handling. 899 if (Value == NumConstraints) 900 Diags.Report(diag::err_drv_invalid_value) 901 << A->getAsString(Args) << Name; 902 else 903 Opts.AnalysisConstraintsOpt = Value; 904 } 905 906 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 907 llvm::StringRef Name = A->getValue(Args); 908 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 909#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 910 .Case(CMDFLAG, PD_##NAME) 911#include "clang/Frontend/Analyses.def" 912 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 913 // FIXME: Error handling. 914 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 915 Diags.Report(diag::err_drv_invalid_value) 916 << A->getAsString(Args) << Name; 917 else 918 Opts.AnalysisDiagOpt = Value; 919 } 920 921 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 922 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 923 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 924 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 925 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 926 Opts.AnalyzeNestedBlocks = 927 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 928 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 929 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 930 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 931 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 932 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 933 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 934 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 935 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 936 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 937 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 938 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 939 940 Opts.CheckersControlList.clear(); 941 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 942 OPT_analyzer_disable_checker), 943 ie = Args.filtered_end(); it != ie; ++it) { 944 const Arg *A = *it; 945 A->claim(); 946 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 947 // We can have a list of comma separated checker names, e.g: 948 // '-analyzer-checker=cocoa,unix' 949 llvm::StringRef checkerList = A->getValue(Args); 950 llvm::SmallVector<llvm::StringRef, 4> checkers; 951 checkerList.split(checkers, ","); 952 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 953 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 954 } 955} 956 957static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 958 Diagnostic &Diags) { 959 using namespace cc1options; 960 961 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 962 if (Opts.OptimizationLevel > 3) { 963 Diags.Report(diag::err_drv_invalid_value) 964 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 965 Opts.OptimizationLevel = 3; 966 } 967 968 // We must always run at least the always inlining pass. 969 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 970 : CodeGenOptions::OnlyAlwaysInlining; 971 972 Opts.DebugInfo = Args.hasArg(OPT_g); 973 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 974 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 975 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 976 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 977 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 978 OPT_fuse_register_sized_bitfield_access); 979 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 980 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 981 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 982 Opts.NoCommon = Args.hasArg(OPT_fno_common); 983 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 984 Opts.OptimizeSize = Args.hasArg(OPT_Os); 985 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 986 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 987 Args.hasArg(OPT_ffreestanding)); 988 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 989 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 990 991 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 992 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 993 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 994 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 995 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 996 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 997 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 998 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 999 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1000 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1001 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1002 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1003 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1004 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1005 Args.hasArg(OPT_cl_fast_relaxed_math); 1006 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1007 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1008 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1009 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1010 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1011 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1012 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1013 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1014 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1015 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1016 Args.hasArg(OPT_cl_fast_relaxed_math); 1017 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1018 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1019 1020 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1021 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1022 1023 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1024 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1025 1026 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1027 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1028 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1029 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1030 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1031 1032 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1033 llvm::StringRef Name = A->getValue(Args); 1034 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1035 .Case("legacy", CodeGenOptions::Legacy) 1036 .Case("non-legacy", CodeGenOptions::NonLegacy) 1037 .Case("mixed", CodeGenOptions::Mixed) 1038 .Default(~0U); 1039 if (Method == ~0U) 1040 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1041 else 1042 Opts.ObjCDispatchMethod = Method; 1043 } 1044} 1045 1046static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1047 ArgList &Args) { 1048 using namespace cc1options; 1049 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1050 Opts.Targets = Args.getAllArgValues(OPT_MT); 1051 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1052 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1053 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1054 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1055 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1056} 1057 1058static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1059 Diagnostic &Diags) { 1060 using namespace cc1options; 1061 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1062 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1063 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1064 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1065 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1066 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1067 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1068 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1069 OPT_fno_show_column, 1070 /*Default=*/true); 1071 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1072 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1073 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1074 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1075 1076 // Default behavior is to not to show note include stacks. 1077 Opts.ShowNoteIncludeStack = false; 1078 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1079 OPT_fno_diagnostics_show_note_include_stack)) 1080 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1081 Opts.ShowNoteIncludeStack = true; 1082 1083 llvm::StringRef ShowOverloads = 1084 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1085 if (ShowOverloads == "best") 1086 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1087 else if (ShowOverloads == "all") 1088 Opts.ShowOverloads = Diagnostic::Ovl_All; 1089 else 1090 Diags.Report(diag::err_drv_invalid_value) 1091 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1092 << ShowOverloads; 1093 1094 llvm::StringRef ShowCategory = 1095 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1096 if (ShowCategory == "none") 1097 Opts.ShowCategories = 0; 1098 else if (ShowCategory == "id") 1099 Opts.ShowCategories = 1; 1100 else if (ShowCategory == "name") 1101 Opts.ShowCategories = 2; 1102 else 1103 Diags.Report(diag::err_drv_invalid_value) 1104 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1105 << ShowCategory; 1106 1107 llvm::StringRef Format = 1108 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1109 if (Format == "clang") 1110 Opts.Format = DiagnosticOptions::Clang; 1111 else if (Format == "msvc") 1112 Opts.Format = DiagnosticOptions::Msvc; 1113 else if (Format == "vi") 1114 Opts.Format = DiagnosticOptions::Vi; 1115 else 1116 Diags.Report(diag::err_drv_invalid_value) 1117 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1118 << Format; 1119 1120 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1121 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1122 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1123 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1124 Opts.MacroBacktraceLimit 1125 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1126 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1127 Opts.TemplateBacktraceLimit 1128 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1129 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1130 Diags); 1131 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1132 DiagnosticOptions::DefaultTabStop, Diags); 1133 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1134 Diags.Report(diag::warn_ignoring_ftabstop_value) 1135 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1136 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1137 } 1138 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1139 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1140 Opts.Warnings = Args.getAllArgValues(OPT_W); 1141} 1142 1143static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1144 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1145} 1146 1147static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1148 Diagnostic &Diags) { 1149 using namespace cc1options; 1150 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1151 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1152 switch (A->getOption().getID()) { 1153 default: 1154 assert(0 && "Invalid option in group!"); 1155 case OPT_ast_dump: 1156 Opts.ProgramAction = frontend::ASTDump; break; 1157 case OPT_ast_dump_xml: 1158 Opts.ProgramAction = frontend::ASTDumpXML; break; 1159 case OPT_ast_print: 1160 Opts.ProgramAction = frontend::ASTPrint; break; 1161 case OPT_ast_view: 1162 Opts.ProgramAction = frontend::ASTView; break; 1163 case OPT_dump_raw_tokens: 1164 Opts.ProgramAction = frontend::DumpRawTokens; break; 1165 case OPT_dump_tokens: 1166 Opts.ProgramAction = frontend::DumpTokens; break; 1167 case OPT_S: 1168 Opts.ProgramAction = frontend::EmitAssembly; break; 1169 case OPT_emit_llvm_bc: 1170 Opts.ProgramAction = frontend::EmitBC; break; 1171 case OPT_emit_html: 1172 Opts.ProgramAction = frontend::EmitHTML; break; 1173 case OPT_emit_llvm: 1174 Opts.ProgramAction = frontend::EmitLLVM; break; 1175 case OPT_emit_llvm_only: 1176 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1177 case OPT_emit_codegen_only: 1178 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1179 case OPT_emit_obj: 1180 Opts.ProgramAction = frontend::EmitObj; break; 1181 case OPT_fixit_EQ: 1182 Opts.FixItSuffix = A->getValue(Args); 1183 // fall-through! 1184 case OPT_fixit: 1185 Opts.ProgramAction = frontend::FixIt; break; 1186 case OPT_emit_pch: 1187 Opts.ProgramAction = frontend::GeneratePCH; break; 1188 case OPT_emit_pth: 1189 Opts.ProgramAction = frontend::GeneratePTH; break; 1190 case OPT_init_only: 1191 Opts.ProgramAction = frontend::InitOnly; break; 1192 case OPT_fsyntax_only: 1193 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1194 case OPT_print_decl_contexts: 1195 Opts.ProgramAction = frontend::PrintDeclContext; break; 1196 case OPT_print_preamble: 1197 Opts.ProgramAction = frontend::PrintPreamble; break; 1198 case OPT_E: 1199 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1200 case OPT_rewrite_macros: 1201 Opts.ProgramAction = frontend::RewriteMacros; break; 1202 case OPT_rewrite_objc: 1203 Opts.ProgramAction = frontend::RewriteObjC; break; 1204 case OPT_rewrite_test: 1205 Opts.ProgramAction = frontend::RewriteTest; break; 1206 case OPT_analyze: 1207 Opts.ProgramAction = frontend::RunAnalysis; break; 1208 case OPT_Eonly: 1209 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1210 case OPT_create_module: 1211 Opts.ProgramAction = frontend::CreateModule; break; 1212 } 1213 } 1214 1215 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1216 Opts.Plugins.push_back(A->getValue(Args,0)); 1217 Opts.ProgramAction = frontend::PluginAction; 1218 Opts.ActionName = A->getValue(Args); 1219 1220 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1221 end = Args.filtered_end(); it != end; ++it) { 1222 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1223 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1224 } 1225 } 1226 1227 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1228 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1229 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1230 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1231 end = Args.filtered_end(); it != end; ++it) { 1232 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1233 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1234 } 1235 } 1236 1237 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1238 Opts.CodeCompletionAt = 1239 ParsedSourceLocation::FromString(A->getValue(Args)); 1240 if (Opts.CodeCompletionAt.FileName.empty()) 1241 Diags.Report(diag::err_drv_invalid_value) 1242 << A->getAsString(Args) << A->getValue(Args); 1243 } 1244 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1245 1246 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1247 Opts.Plugins = Args.getAllArgValues(OPT_load); 1248 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1249 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1250 Opts.ShowHelp = Args.hasArg(OPT_help); 1251 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1252 Opts.ShowCodePatternsInCodeCompletion 1253 = Args.hasArg(OPT_code_completion_patterns); 1254 Opts.ShowGlobalSymbolsInCodeCompletion 1255 = !Args.hasArg(OPT_no_code_completion_globals); 1256 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1257 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1258 Opts.ShowVersion = Args.hasArg(OPT_version); 1259 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1260 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1261 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1262 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1263 1264 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1265 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1266 OPT_arcmt_modify, 1267 OPT_arcmt_migrate)) { 1268 switch (A->getOption().getID()) { 1269 default: 1270 llvm_unreachable("missed a case"); 1271 case OPT_arcmt_check: 1272 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1273 break; 1274 case OPT_arcmt_modify: 1275 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1276 break; 1277 case OPT_arcmt_migrate: 1278 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1279 break; 1280 } 1281 } 1282 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1283 1284 InputKind DashX = IK_None; 1285 if (const Arg *A = Args.getLastArg(OPT_x)) { 1286 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1287 .Case("c", IK_C) 1288 .Case("cl", IK_OpenCL) 1289 .Case("cuda", IK_CUDA) 1290 .Case("c++", IK_CXX) 1291 .Case("objective-c", IK_ObjC) 1292 .Case("objective-c++", IK_ObjCXX) 1293 .Case("cpp-output", IK_PreprocessedC) 1294 .Case("assembler-with-cpp", IK_Asm) 1295 .Case("c++-cpp-output", IK_PreprocessedCXX) 1296 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1297 .Case("objc-cpp-output", IK_PreprocessedObjC) 1298 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1299 .Case("c-header", IK_C) 1300 .Case("objective-c-header", IK_ObjC) 1301 .Case("c++-header", IK_CXX) 1302 .Case("objective-c++-header", IK_ObjCXX) 1303 .Case("ast", IK_AST) 1304 .Case("ir", IK_LLVM_IR) 1305 .Default(IK_None); 1306 if (DashX == IK_None) 1307 Diags.Report(diag::err_drv_invalid_value) 1308 << A->getAsString(Args) << A->getValue(Args); 1309 } 1310 1311 // '-' is the default input if none is given. 1312 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1313 Opts.Inputs.clear(); 1314 if (Inputs.empty()) 1315 Inputs.push_back("-"); 1316 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1317 InputKind IK = DashX; 1318 if (IK == IK_None) { 1319 IK = FrontendOptions::getInputKindForExtension( 1320 llvm::StringRef(Inputs[i]).rsplit('.').second); 1321 // FIXME: Remove this hack. 1322 if (i == 0) 1323 DashX = IK; 1324 } 1325 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1326 } 1327 1328 return DashX; 1329} 1330 1331std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1332 void *MainAddr) { 1333 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1334 1335 if (!P.isEmpty()) { 1336 P.eraseComponent(); // Remove /clang from foo/bin/clang 1337 P.eraseComponent(); // Remove /bin from foo/bin 1338 1339 // Get foo/lib/clang/<version>/include 1340 P.appendComponent("lib"); 1341 P.appendComponent("clang"); 1342 P.appendComponent(CLANG_VERSION_STRING); 1343 } 1344 1345 return P.str(); 1346} 1347 1348static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1349 using namespace cc1options; 1350 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1351 Opts.Verbose = Args.hasArg(OPT_v); 1352 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1353 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1354 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1355 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1356 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1357 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1358 1359 // Add -I... and -F... options in order. 1360 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1361 ie = Args.filtered_end(); it != ie; ++it) 1362 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1363 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1364 1365 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1366 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1367 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1368 OPT_iwithprefixbefore), 1369 ie = Args.filtered_end(); it != ie; ++it) { 1370 const Arg *A = *it; 1371 if (A->getOption().matches(OPT_iprefix)) 1372 Prefix = A->getValue(Args); 1373 else if (A->getOption().matches(OPT_iwithprefix)) 1374 Opts.AddPath(Prefix.str() + A->getValue(Args), 1375 frontend::System, false, false, false); 1376 else 1377 Opts.AddPath(Prefix.str() + A->getValue(Args), 1378 frontend::Angled, false, false, false); 1379 } 1380 1381 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1382 ie = Args.filtered_end(); it != ie; ++it) 1383 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1384 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1385 ie = Args.filtered_end(); it != ie; ++it) 1386 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1387 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1388 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1389 Opts.AddPath((*it)->getValue(Args), 1390 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1391 frontend::CXXSystem : frontend::System), 1392 true, false, !(*it)->getOption().matches(OPT_iwithsysroot)); 1393 1394 // FIXME: Need options for the various environment variables! 1395} 1396 1397void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1398 LangStandard::Kind LangStd) { 1399 // Set some properties which depend solely on the input kind; it would be nice 1400 // to move these to the language standard, and have the driver resolve the 1401 // input kind + language standard. 1402 if (IK == IK_Asm) { 1403 Opts.AsmPreprocessor = 1; 1404 } else if (IK == IK_ObjC || 1405 IK == IK_ObjCXX || 1406 IK == IK_PreprocessedObjC || 1407 IK == IK_PreprocessedObjCXX) { 1408 Opts.ObjC1 = Opts.ObjC2 = 1; 1409 } 1410 1411 if (LangStd == LangStandard::lang_unspecified) { 1412 // Based on the base language, pick one. 1413 switch (IK) { 1414 case IK_None: 1415 case IK_AST: 1416 case IK_LLVM_IR: 1417 assert(0 && "Invalid input kind!"); 1418 case IK_OpenCL: 1419 LangStd = LangStandard::lang_opencl; 1420 break; 1421 case IK_CUDA: 1422 LangStd = LangStandard::lang_cuda; 1423 break; 1424 case IK_Asm: 1425 case IK_C: 1426 case IK_PreprocessedC: 1427 case IK_ObjC: 1428 case IK_PreprocessedObjC: 1429 LangStd = LangStandard::lang_gnu99; 1430 break; 1431 case IK_CXX: 1432 case IK_PreprocessedCXX: 1433 case IK_ObjCXX: 1434 case IK_PreprocessedObjCXX: 1435 LangStd = LangStandard::lang_gnucxx98; 1436 break; 1437 } 1438 } 1439 1440 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1441 Opts.BCPLComment = Std.hasBCPLComments(); 1442 Opts.C99 = Std.isC99(); 1443 Opts.C1X = Std.isC1X(); 1444 Opts.CPlusPlus = Std.isCPlusPlus(); 1445 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1446 Opts.Digraphs = Std.hasDigraphs(); 1447 Opts.GNUMode = Std.isGNUMode(); 1448 Opts.GNUInline = !Std.isC99(); 1449 Opts.HexFloats = Std.hasHexFloats(); 1450 Opts.ImplicitInt = Std.hasImplicitInt(); 1451 1452 // OpenCL has some additional defaults. 1453 if (LangStd == LangStandard::lang_opencl) { 1454 Opts.OpenCL = 1; 1455 Opts.AltiVec = 1; 1456 Opts.CXXOperatorNames = 1; 1457 Opts.LaxVectorConversions = 1; 1458 Opts.DefaultFPContract = 1; 1459 } 1460 1461 if (LangStd == LangStandard::lang_cuda) 1462 Opts.CUDA = 1; 1463 1464 // OpenCL and C++ both have bool, true, false keywords. 1465 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1466 1467 Opts.GNUKeywords = Opts.GNUMode; 1468 Opts.CXXOperatorNames = Opts.CPlusPlus; 1469 1470 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1471 // is specified, or -std is set to a conforming mode. 1472 Opts.Trigraphs = !Opts.GNUMode; 1473 1474 Opts.DollarIdents = !Opts.AsmPreprocessor; 1475} 1476 1477static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1478 Diagnostic &Diags) { 1479 // FIXME: Cleanup per-file based stuff. 1480 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1481 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1482 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1483#define LANGSTANDARD(id, name, desc, features) \ 1484 .Case(name, LangStandard::lang_##id) 1485#include "clang/Frontend/LangStandards.def" 1486 .Default(LangStandard::lang_unspecified); 1487 if (LangStd == LangStandard::lang_unspecified) 1488 Diags.Report(diag::err_drv_invalid_value) 1489 << A->getAsString(Args) << A->getValue(Args); 1490 else { 1491 // Valid standard, check to make sure language and standard are compatable. 1492 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1493 switch (IK) { 1494 case IK_C: 1495 case IK_ObjC: 1496 case IK_PreprocessedC: 1497 case IK_PreprocessedObjC: 1498 if (!(Std.isC89() || Std.isC99())) 1499 Diags.Report(diag::err_drv_argument_not_allowed_with) 1500 << A->getAsString(Args) << "C/ObjC"; 1501 break; 1502 case IK_CXX: 1503 case IK_ObjCXX: 1504 case IK_PreprocessedCXX: 1505 case IK_PreprocessedObjCXX: 1506 if (!Std.isCPlusPlus()) 1507 Diags.Report(diag::err_drv_argument_not_allowed_with) 1508 << A->getAsString(Args) << "C++/ObjC++"; 1509 break; 1510 case IK_OpenCL: 1511 if (!Std.isC99()) 1512 Diags.Report(diag::err_drv_argument_not_allowed_with) 1513 << A->getAsString(Args) << "OpenCL"; 1514 break; 1515 case IK_CUDA: 1516 if (!Std.isCPlusPlus()) 1517 Diags.Report(diag::err_drv_argument_not_allowed_with) 1518 << A->getAsString(Args) << "CUDA"; 1519 break; 1520 default: 1521 break; 1522 } 1523 } 1524 } 1525 1526 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1527 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1528 Diags.Report(diag::err_drv_invalid_value) 1529 << A->getAsString(Args) << A->getValue(Args); 1530 } 1531 } 1532 1533 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1534 1535 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1536 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1537 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1538 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1539 // name, as it doesn't seem a useful distinction. 1540 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1541 Opts.GNUKeywords); 1542 1543 if (Args.hasArg(OPT_fno_operator_names)) 1544 Opts.CXXOperatorNames = 0; 1545 1546 if (Opts.ObjC1) { 1547 if (Args.hasArg(OPT_fobjc_gc_only)) 1548 Opts.setGCMode(LangOptions::GCOnly); 1549 else if (Args.hasArg(OPT_fobjc_gc)) 1550 Opts.setGCMode(LangOptions::HybridGC); 1551 else if (Args.hasArg(OPT_fobjc_arc)) { 1552 Opts.ObjCAutoRefCount = 1; 1553 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1554 Diags.Report(diag::err_arc_nonfragile_abi); 1555 } 1556 1557 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1558 Opts.ObjCRuntimeHasWeak = 1; 1559 1560 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1561 Opts.ObjCInferRelatedResultType = 0; 1562 } 1563 1564 if (Args.hasArg(OPT_fgnu89_inline)) 1565 Opts.GNUInline = 1; 1566 1567 if (Args.hasArg(OPT_fapple_kext)) { 1568 if (!Opts.CPlusPlus) 1569 Diags.Report(diag::warn_c_kext); 1570 else 1571 Opts.AppleKext = 1; 1572 } 1573 1574 if (Args.hasArg(OPT_print_ivar_layout)) 1575 Opts.ObjCGCBitmapPrint = 1; 1576 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1577 Opts.NoConstantCFStrings = 1; 1578 1579 if (Args.hasArg(OPT_faltivec)) 1580 Opts.AltiVec = 1; 1581 1582 if (Args.hasArg(OPT_pthread)) 1583 Opts.POSIXThreads = 1; 1584 1585 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1586 Opts.DelayedTemplateParsing = 1; 1587 1588 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1589 if (Vis == "default") 1590 Opts.setVisibilityMode(DefaultVisibility); 1591 else if (Vis == "hidden") 1592 Opts.setVisibilityMode(HiddenVisibility); 1593 else if (Vis == "protected") 1594 Opts.setVisibilityMode(ProtectedVisibility); 1595 else 1596 Diags.Report(diag::err_drv_invalid_value) 1597 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1598 1599 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1600 Opts.InlineVisibilityHidden = 1; 1601 1602 if (Args.hasArg(OPT_ftrapv)) { 1603 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1604 // Set the handler, if one is specified. 1605 Opts.OverflowHandler = 1606 Args.getLastArgValue(OPT_ftrapv_handler); 1607 } 1608 else if (Args.hasArg(OPT_fwrapv)) 1609 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1610 1611 if (Args.hasArg(OPT_trigraphs)) 1612 Opts.Trigraphs = 1; 1613 1614 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1615 OPT_fno_dollars_in_identifiers, 1616 Opts.DollarIdents); 1617 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1618 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1619 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1620 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1621 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1622 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1623 Opts.ConstStrings); 1624 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1625 Opts.LaxVectorConversions = 0; 1626 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1627 Opts.ThreadsafeStatics = 0; 1628 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1629 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1630 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1631 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1632 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1633 1634 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1635 Opts.Blocks = Args.hasArg(OPT_fblocks); 1636 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1637 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1638 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1639 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1640 Opts.FormatExtensions = Args.hasArg(OPT_fformat_extensions); 1641 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1642 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1643 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1644 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1645 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1646 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1647 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1648 Diags); 1649 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1650 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1651 0, Diags); 1652 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1653 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1654 Opts.ObjCConstantStringClass = 1655 Args.getLastArgValue(OPT_fconstant_string_class); 1656 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1657 if (Opts.ObjCNonFragileABI) 1658 Opts.ObjCNonFragileABI2 = true; 1659 Opts.ObjCDefaultSynthProperties = 1660 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1661 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1662 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1663 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1664 Opts.Static = Args.hasArg(OPT_static_define); 1665 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1666 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1667 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1668 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1669 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1670 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1671 Opts.OptimizeSize = 0; 1672 Opts.MRTD = Args.hasArg(OPT_mrtd); 1673 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1674 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1675 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1676 1677 // Record whether the __DEPRECATED define was requested. 1678 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1679 OPT_fno_deprecated_macro, 1680 Opts.Deprecated); 1681 1682 // FIXME: Eliminate this dependency. 1683 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1684 Opts.Optimize = Opt != 0; 1685 1686 // This is the __NO_INLINE__ define, which just depends on things like the 1687 // optimization level and -fno-inline, not actually whether the backend has 1688 // inlining enabled. 1689 // 1690 // FIXME: This is affected by other options (-fno-inline). 1691 Opts.NoInline = !Opt; 1692 1693 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1694 switch (SSP) { 1695 default: 1696 Diags.Report(diag::err_drv_invalid_value) 1697 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1698 break; 1699 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1700 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1701 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1702 } 1703} 1704 1705static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1706 FileManager &FileMgr, 1707 Diagnostic &Diags) { 1708 using namespace cc1options; 1709 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1710 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1711 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1712 Opts.TokenCache = A->getValue(Args); 1713 else 1714 Opts.TokenCache = Opts.ImplicitPTHInclude; 1715 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1716 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1717 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1718 1719 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1720 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1721 ie = Args.filtered_end(); it != ie; ++it) { 1722 const Arg *A = *it; 1723 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1724 } 1725 1726 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1727 llvm::StringRef Value(A->getValue(Args)); 1728 size_t Comma = Value.find(','); 1729 unsigned Bytes = 0; 1730 unsigned EndOfLine = 0; 1731 1732 if (Comma == llvm::StringRef::npos || 1733 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1734 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1735 Diags.Report(diag::err_drv_preamble_format); 1736 else { 1737 Opts.PrecompiledPreambleBytes.first = Bytes; 1738 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1739 } 1740 } 1741 1742 // Add macros from the command line. 1743 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1744 ie = Args.filtered_end(); it != ie; ++it) { 1745 if ((*it)->getOption().matches(OPT_D)) 1746 Opts.addMacroDef((*it)->getValue(Args)); 1747 else 1748 Opts.addMacroUndef((*it)->getValue(Args)); 1749 } 1750 1751 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1752 1753 // Add the ordered list of -includes. 1754 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1755 OPT_include_pth), 1756 ie = Args.filtered_end(); it != ie; ++it) { 1757 const Arg *A = *it; 1758 // PCH is handled specially, we need to extra the original include path. 1759 if (A->getOption().matches(OPT_include_pch)) { 1760 std::string OriginalFile = 1761 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1762 if (OriginalFile.empty()) 1763 continue; 1764 1765 Opts.Includes.push_back(OriginalFile); 1766 } else 1767 Opts.Includes.push_back(A->getValue(Args)); 1768 } 1769 1770 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1771 ie = Args.filtered_end(); it != ie; ++it) { 1772 const Arg *A = *it; 1773 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1774 } 1775 1776 // Include 'altivec.h' if -faltivec option present 1777 if (Args.hasArg(OPT_faltivec)) 1778 Opts.Includes.push_back("altivec.h"); 1779 1780 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1781 ie = Args.filtered_end(); it != ie; ++it) { 1782 const Arg *A = *it; 1783 std::pair<llvm::StringRef,llvm::StringRef> Split = 1784 llvm::StringRef(A->getValue(Args)).split(';'); 1785 1786 if (Split.second.empty()) { 1787 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1788 continue; 1789 } 1790 1791 Opts.addRemappedFile(Split.first, Split.second); 1792 } 1793 1794 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1795 llvm::StringRef Name = A->getValue(Args); 1796 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1797 .Case("libc++", ARCXX_libcxx) 1798 .Case("libstdc++", ARCXX_libstdcxx) 1799 .Case("none", ARCXX_nolib) 1800 .Default(~0U); 1801 if (Library == ~0U) 1802 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1803 else 1804 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1805 } 1806} 1807 1808static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1809 ArgList &Args) { 1810 using namespace cc1options; 1811 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1812 Opts.ShowComments = Args.hasArg(OPT_C); 1813 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1814 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1815 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1816} 1817 1818static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1819 using namespace cc1options; 1820 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1821 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1822 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1823 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1824 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1825 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1826 1827 // Use the host triple if unspecified. 1828 if (Opts.Triple.empty()) 1829 Opts.Triple = llvm::sys::getHostTriple(); 1830} 1831 1832// 1833 1834void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1835 const char *const *ArgBegin, 1836 const char *const *ArgEnd, 1837 Diagnostic &Diags) { 1838 // Parse the arguments. 1839 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1840 unsigned MissingArgIndex, MissingArgCount; 1841 llvm::OwningPtr<InputArgList> Args( 1842 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1843 1844 // Check for missing argument error. 1845 if (MissingArgCount) 1846 Diags.Report(diag::err_drv_missing_argument) 1847 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1848 1849 // Issue errors on unknown arguments. 1850 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1851 ie = Args->filtered_end(); it != ie; ++it) 1852 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1853 1854 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1855 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1856 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1857 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1858 // FIXME: We shouldn't have to pass the DashX option around here 1859 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1860 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1861 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1862 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1863 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1864 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1865 Res.getLangOpts().ObjCExceptions = 1; 1866 } 1867 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1868 // PCH file and find the original header name. Remove the need to do that in 1869 // ParsePreprocessorArgs and remove the FileManager 1870 // parameters from the function and the "FileManager.h" #include. 1871 FileManager FileMgr(Res.getFileSystemOpts()); 1872 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1873 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1874 ParseTargetArgs(Res.getTargetOpts(), *Args); 1875} 1876