CompilerInvocation.cpp revision 5f9e272e632e951b1efe824cd16acb4d96077930
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 if (!Opts.ARCMTMigrateReportOut.empty()) { 443 Res.push_back("-arcmt-migrate-report-output"); 444 Res.push_back(Opts.ARCMTMigrateReportOut); 445 } 446 if (Opts.ARCMTMigrateEmitARCErrors) 447 Res.push_back("-arcmt-migrate-emit-errors"); 448 449 bool NeedLang = false; 450 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 451 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 452 Opts.Inputs[i].first) 453 NeedLang = true; 454 if (NeedLang) { 455 Res.push_back("-x"); 456 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 457 } 458 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 459 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 460 "Unable to represent this input vector!"); 461 Res.push_back(Opts.Inputs[i].second); 462 } 463 464 if (!Opts.OutputFile.empty()) { 465 Res.push_back("-o"); 466 Res.push_back(Opts.OutputFile); 467 } 468 if (!Opts.CodeCompletionAt.FileName.empty()) { 469 Res.push_back("-code-completion-at"); 470 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 471 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 472 llvm::utostr(Opts.CodeCompletionAt.Column)); 473 } 474 if (Opts.ProgramAction != frontend::PluginAction) 475 Res.push_back(getActionName(Opts.ProgramAction)); 476 if (!Opts.ActionName.empty()) { 477 Res.push_back("-plugin"); 478 Res.push_back(Opts.ActionName); 479 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 480 Res.push_back("-plugin-arg-" + Opts.ActionName); 481 Res.push_back(Opts.PluginArgs[i]); 482 } 483 } 484 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 485 Res.push_back("-load"); 486 Res.push_back(Opts.Plugins[i]); 487 } 488 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 489 Res.push_back("-add-plugin"); 490 Res.push_back(Opts.AddPluginActions[i]); 491 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 492 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 493 Res.push_back(Opts.AddPluginArgs[i][ai]); 494 } 495 } 496 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 497 Res.push_back("-ast-merge"); 498 Res.push_back(Opts.ASTMergeFiles[i]); 499 } 500 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 501 Res.push_back("-import-module"); 502 Res.push_back(Opts.Modules[i]); 503 } 504 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 505 Res.push_back("-mllvm"); 506 Res.push_back(Opts.LLVMArgs[i]); 507 } 508} 509 510static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 511 std::vector<std::string> &Res) { 512 if (Opts.Sysroot != "/") { 513 Res.push_back("-isysroot"); 514 Res.push_back(Opts.Sysroot); 515 } 516 517 /// User specified include entries. 518 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 519 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 520 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 521 llvm::report_fatal_error("Invalid option set!"); 522 if (E.IsUserSupplied) { 523 if (E.Group == frontend::After) { 524 Res.push_back("-idirafter"); 525 } else if (E.Group == frontend::Quoted) { 526 Res.push_back("-iquote"); 527 } else if (E.Group == frontend::System) { 528 Res.push_back("-isystem"); 529 } else if (E.Group == frontend::CXXSystem) { 530 Res.push_back("-cxx-isystem"); 531 } else { 532 assert(E.Group == frontend::Angled && "Invalid group!"); 533 Res.push_back(E.IsFramework ? "-F" : "-I"); 534 } 535 } else { 536 if (E.Group != frontend::Angled && E.Group != frontend::System) 537 llvm::report_fatal_error("Invalid option set!"); 538 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 539 "-iwithprefix"); 540 } 541 Res.push_back(E.Path); 542 } 543 544 if (!Opts.EnvIncPath.empty()) { 545 // FIXME: Provide an option for this, and move env detection to driver. 546 llvm::report_fatal_error("Not yet implemented!"); 547 } 548 if (!Opts.CEnvIncPath.empty()) { 549 // FIXME: Provide an option for this, and move env detection to driver. 550 llvm::report_fatal_error("Not yet implemented!"); 551 } 552 if (!Opts.ObjCEnvIncPath.empty()) { 553 // FIXME: Provide an option for this, and move env detection to driver. 554 llvm::report_fatal_error("Not yet implemented!"); 555 } 556 if (!Opts.CXXEnvIncPath.empty()) { 557 // FIXME: Provide an option for this, and move env detection to driver. 558 llvm::report_fatal_error("Not yet implemented!"); 559 } 560 if (!Opts.ObjCXXEnvIncPath.empty()) { 561 // FIXME: Provide an option for this, and move env detection to driver. 562 llvm::report_fatal_error("Not yet implemented!"); 563 } 564 if (!Opts.ResourceDir.empty()) { 565 Res.push_back("-resource-dir"); 566 Res.push_back(Opts.ResourceDir); 567 } 568 if (!Opts.UseStandardIncludes) 569 Res.push_back("-nostdinc"); 570 if (!Opts.UseStandardCXXIncludes) 571 Res.push_back("-nostdinc++"); 572 if (Opts.UseLibcxx) 573 Res.push_back("-stdlib=libc++"); 574 if (Opts.Verbose) 575 Res.push_back("-v"); 576} 577 578static void LangOptsToArgs(const LangOptions &Opts, 579 std::vector<std::string> &Res) { 580 LangOptions DefaultLangOpts; 581 582 // FIXME: Need to set -std to get all the implicit options. 583 584 // FIXME: We want to only pass options relative to the defaults, which 585 // requires constructing a target. :( 586 // 587 // It would be better to push the all target specific choices into the driver, 588 // so that everything below that was more uniform. 589 590 if (Opts.Trigraphs) 591 Res.push_back("-trigraphs"); 592 // Implicit based on the input kind: 593 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 594 // Implicit based on the input language standard: 595 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 596 if (Opts.DollarIdents) 597 Res.push_back("-fdollars-in-identifiers"); 598 if (Opts.GNUMode && !Opts.GNUKeywords) 599 Res.push_back("-fno-gnu-keywords"); 600 if (!Opts.GNUMode && Opts.GNUKeywords) 601 Res.push_back("-fgnu-keywords"); 602 if (Opts.Microsoft) 603 Res.push_back("-fms-extensions"); 604 if (Opts.MSCVersion != 0) 605 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 606 if (Opts.Borland) 607 Res.push_back("-fborland-extensions"); 608 if (Opts.ObjCNonFragileABI) 609 Res.push_back("-fobjc-nonfragile-abi"); 610 if (Opts.ObjCNonFragileABI2) 611 Res.push_back("-fobjc-nonfragile-abi"); 612 if (Opts.ObjCDefaultSynthProperties) 613 Res.push_back("-fobjc-default-synthesize-properties"); 614 // NoInline is implicit. 615 if (!Opts.CXXOperatorNames) 616 Res.push_back("-fno-operator-names"); 617 if (Opts.PascalStrings) 618 Res.push_back("-fpascal-strings"); 619 if (Opts.CatchUndefined) 620 Res.push_back("-fcatch-undefined-behavior"); 621 if (Opts.WritableStrings) 622 Res.push_back("-fwritable-strings"); 623 if (Opts.ConstStrings) 624 Res.push_back("-fconst-strings"); 625 if (!Opts.LaxVectorConversions) 626 Res.push_back("-fno-lax-vector-conversions"); 627 if (Opts.AltiVec) 628 Res.push_back("-faltivec"); 629 if (Opts.Exceptions) 630 Res.push_back("-fexceptions"); 631 if (Opts.ObjCExceptions) 632 Res.push_back("-fobjc-exceptions"); 633 if (Opts.CXXExceptions) 634 Res.push_back("-fcxx-exceptions"); 635 if (Opts.SjLjExceptions) 636 Res.push_back("-fsjlj-exceptions"); 637 if (Opts.TraditionalCPP) 638 Res.push_back("-traditional-cpp"); 639 if (!Opts.RTTI) 640 Res.push_back("-fno-rtti"); 641 if (Opts.MSBitfields) 642 Res.push_back("-mms-bitfields"); 643 if (!Opts.NeXTRuntime) 644 Res.push_back("-fgnu-runtime"); 645 if (Opts.Freestanding) 646 Res.push_back("-ffreestanding"); 647 if (Opts.NoBuiltin) 648 Res.push_back("-fno-builtin"); 649 if (!Opts.AssumeSaneOperatorNew) 650 Res.push_back("-fno-assume-sane-operator-new"); 651 if (!Opts.ThreadsafeStatics) 652 Res.push_back("-fno-threadsafe-statics"); 653 if (Opts.POSIXThreads) 654 Res.push_back("-pthread"); 655 if (Opts.Blocks) 656 Res.push_back("-fblocks"); 657 if (Opts.EmitAllDecls) 658 Res.push_back("-femit-all-decls"); 659 if (Opts.MathErrno) 660 Res.push_back("-fmath-errno"); 661 switch (Opts.getSignedOverflowBehavior()) { 662 case LangOptions::SOB_Undefined: break; 663 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 664 case LangOptions::SOB_Trapping: 665 Res.push_back("-ftrapv"); break; 666 if (!Opts.OverflowHandler.empty()) { 667 Res.push_back("-ftrapv-handler"); 668 Res.push_back(Opts.OverflowHandler); 669 } 670 } 671 if (Opts.HeinousExtensions) 672 Res.push_back("-fheinous-gnu-extensions"); 673 // Optimize is implicit. 674 // OptimizeSize is implicit. 675 if (Opts.Static) 676 Res.push_back("-static-define"); 677 if (Opts.DumpRecordLayouts) 678 Res.push_back("-fdump-record-layouts"); 679 if (Opts.DumpVTableLayouts) 680 Res.push_back("-fdump-vtable-layouts"); 681 if (Opts.NoBitFieldTypeAlign) 682 Res.push_back("-fno-bitfield-type-alignment"); 683 if (Opts.PICLevel) { 684 Res.push_back("-pic-level"); 685 Res.push_back(llvm::utostr(Opts.PICLevel)); 686 } 687 if (Opts.ObjCGCBitmapPrint) 688 Res.push_back("-print-ivar-layout"); 689 if (Opts.NoConstantCFStrings) 690 Res.push_back("-fno-constant-cfstrings"); 691 if (!Opts.AccessControl) 692 Res.push_back("-fno-access-control"); 693 if (!Opts.CharIsSigned) 694 Res.push_back("-fno-signed-char"); 695 if (Opts.ShortWChar) 696 Res.push_back("-fshort-wchar"); 697 if (!Opts.ElideConstructors) 698 Res.push_back("-fno-elide-constructors"); 699 if (Opts.getGCMode() != LangOptions::NonGC) { 700 if (Opts.getGCMode() == LangOptions::HybridGC) { 701 Res.push_back("-fobjc-gc"); 702 } else { 703 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 704 Res.push_back("-fobjc-gc-only"); 705 } 706 } 707 if (Opts.ObjCAutoRefCount) 708 Res.push_back("-fobjc-arc"); 709 if (Opts.ObjCRuntimeHasWeak) 710 Res.push_back("-fobjc-runtime-has-weak"); 711 if (!Opts.ObjCInferRelatedResultType) 712 Res.push_back("-fno-objc-infer-related-result-type"); 713 714 if (Opts.AppleKext) 715 Res.push_back("-fapple-kext"); 716 717 if (Opts.getVisibilityMode() != DefaultVisibility) { 718 Res.push_back("-fvisibility"); 719 if (Opts.getVisibilityMode() == HiddenVisibility) { 720 Res.push_back("hidden"); 721 } else { 722 assert(Opts.getVisibilityMode() == ProtectedVisibility && 723 "Invalid visibility!"); 724 Res.push_back("protected"); 725 } 726 } 727 if (Opts.InlineVisibilityHidden) 728 Res.push_back("-fvisibility-inlines-hidden"); 729 730 if (Opts.getStackProtectorMode() != 0) { 731 Res.push_back("-stack-protector"); 732 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 733 } 734 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 735 Res.push_back("-ftemplate-depth"); 736 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 737 } 738 if (!Opts.ObjCConstantStringClass.empty()) { 739 Res.push_back("-fconstant-string-class"); 740 Res.push_back(Opts.ObjCConstantStringClass); 741 } 742 if (Opts.FakeAddressSpaceMap) 743 Res.push_back("-ffake-address-space-map"); 744 if (Opts.ParseUnknownAnytype) 745 Res.push_back("-funknown-anytype"); 746 if (Opts.DebuggerSupport) 747 Res.push_back("-fdebugger-support"); 748 if (Opts.DelayedTemplateParsing) 749 Res.push_back("-fdelayed-template-parsing"); 750 if (Opts.Deprecated) 751 Res.push_back("-fdeprecated-macro"); 752} 753 754static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 755 std::vector<std::string> &Res) { 756 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 757 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 758 Opts.Macros[i].first); 759 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 760 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 761 Res.push_back("-include"); 762 Res.push_back(Opts.Includes[i]); 763 } 764 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 765 Res.push_back("-imacros"); 766 Res.push_back(Opts.MacroIncludes[i]); 767 } 768 if (!Opts.UsePredefines) 769 Res.push_back("-undef"); 770 if (Opts.DetailedRecord) 771 Res.push_back("-detailed-preprocessing-record"); 772 if (!Opts.ImplicitPCHInclude.empty()) { 773 Res.push_back("-include-pch"); 774 Res.push_back(Opts.ImplicitPCHInclude); 775 } 776 if (!Opts.ImplicitPTHInclude.empty()) { 777 Res.push_back("-include-pth"); 778 Res.push_back(Opts.ImplicitPTHInclude); 779 } 780 if (!Opts.TokenCache.empty()) { 781 if (Opts.ImplicitPTHInclude.empty()) { 782 Res.push_back("-token-cache"); 783 Res.push_back(Opts.TokenCache); 784 } else 785 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 786 "Unsupported option combination!"); 787 } 788 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 789 Res.push_back("-chain-include"); 790 Res.push_back(Opts.ChainedIncludes[i]); 791 } 792 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 793 Res.push_back("-remap-file"); 794 Res.push_back(Opts.RemappedFiles[i].first + ";" + 795 Opts.RemappedFiles[i].second); 796 } 797} 798 799static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 800 std::vector<std::string> &Res) { 801 if (!Opts.ShowCPP && !Opts.ShowMacros) 802 llvm::report_fatal_error("Invalid option combination!"); 803 804 if (Opts.ShowCPP && Opts.ShowMacros) 805 Res.push_back("-dD"); 806 else if (!Opts.ShowCPP && Opts.ShowMacros) 807 Res.push_back("-dM"); 808 809 if (!Opts.ShowLineMarkers) 810 Res.push_back("-P"); 811 if (Opts.ShowComments) 812 Res.push_back("-C"); 813 if (Opts.ShowMacroComments) 814 Res.push_back("-CC"); 815} 816 817static void TargetOptsToArgs(const TargetOptions &Opts, 818 std::vector<std::string> &Res) { 819 Res.push_back("-triple"); 820 Res.push_back(Opts.Triple); 821 if (!Opts.CPU.empty()) { 822 Res.push_back("-target-cpu"); 823 Res.push_back(Opts.CPU); 824 } 825 if (!Opts.ABI.empty()) { 826 Res.push_back("-target-abi"); 827 Res.push_back(Opts.ABI); 828 } 829 if (!Opts.LinkerVersion.empty()) { 830 Res.push_back("-target-linker-version"); 831 Res.push_back(Opts.LinkerVersion); 832 } 833 if (!Opts.CXXABI.empty()) { 834 Res.push_back("-cxx-abi"); 835 Res.push_back(Opts.CXXABI); 836 } 837 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 838 Res.push_back("-target-feature"); 839 Res.push_back(Opts.Features[i]); 840 } 841} 842 843void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 844 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 845 CodeGenOptsToArgs(getCodeGenOpts(), Res); 846 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 847 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 848 FileSystemOptsToArgs(getFileSystemOpts(), Res); 849 FrontendOptsToArgs(getFrontendOpts(), Res); 850 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 851 LangOptsToArgs(getLangOpts(), Res); 852 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 853 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 854 TargetOptsToArgs(getTargetOpts(), Res); 855} 856 857//===----------------------------------------------------------------------===// 858// Deserialization (to args) 859//===----------------------------------------------------------------------===// 860 861using namespace clang::driver; 862using namespace clang::driver::cc1options; 863 864// 865 866static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 867 Diagnostic &Diags) { 868 unsigned DefaultOpt = 0; 869 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 870 DefaultOpt = 2; 871 // -Os/-Oz implies -O2 872 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 873 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 874} 875 876static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 877 Diagnostic &Diags) { 878 using namespace cc1options; 879 880 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 881 StringRef Name = A->getValue(Args); 882 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 883#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 884 .Case(CMDFLAG, NAME##Model) 885#include "clang/Frontend/Analyses.def" 886 .Default(NumStores); 887 // FIXME: Error handling. 888 if (Value == NumStores) 889 Diags.Report(diag::err_drv_invalid_value) 890 << A->getAsString(Args) << Name; 891 else 892 Opts.AnalysisStoreOpt = Value; 893 } 894 895 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 896 StringRef Name = A->getValue(Args); 897 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 898#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 899 .Case(CMDFLAG, NAME##Model) 900#include "clang/Frontend/Analyses.def" 901 .Default(NumConstraints); 902 // FIXME: Error handling. 903 if (Value == NumConstraints) 904 Diags.Report(diag::err_drv_invalid_value) 905 << A->getAsString(Args) << Name; 906 else 907 Opts.AnalysisConstraintsOpt = Value; 908 } 909 910 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 911 StringRef Name = A->getValue(Args); 912 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 913#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 914 .Case(CMDFLAG, PD_##NAME) 915#include "clang/Frontend/Analyses.def" 916 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 917 // FIXME: Error handling. 918 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 919 Diags.Report(diag::err_drv_invalid_value) 920 << A->getAsString(Args) << Name; 921 else 922 Opts.AnalysisDiagOpt = Value; 923 } 924 925 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 926 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 927 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 928 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 929 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 930 Opts.AnalyzeNestedBlocks = 931 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 932 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 933 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 934 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 935 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 936 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 937 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 938 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 939 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 940 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 941 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 942 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 943 944 Opts.CheckersControlList.clear(); 945 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 946 OPT_analyzer_disable_checker), 947 ie = Args.filtered_end(); it != ie; ++it) { 948 const Arg *A = *it; 949 A->claim(); 950 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 951 // We can have a list of comma separated checker names, e.g: 952 // '-analyzer-checker=cocoa,unix' 953 StringRef checkerList = A->getValue(Args); 954 SmallVector<StringRef, 4> checkers; 955 checkerList.split(checkers, ","); 956 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 957 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 958 } 959} 960 961static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 962 Diagnostic &Diags) { 963 using namespace cc1options; 964 965 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 966 if (Opts.OptimizationLevel > 3) { 967 Diags.Report(diag::err_drv_invalid_value) 968 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 969 Opts.OptimizationLevel = 3; 970 } 971 972 // We must always run at least the always inlining pass. 973 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 974 : CodeGenOptions::OnlyAlwaysInlining; 975 976 Opts.DebugInfo = Args.hasArg(OPT_g); 977 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 978 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 979 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 980 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 981 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 982 OPT_fuse_register_sized_bitfield_access); 983 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 984 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 985 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 986 Opts.NoCommon = Args.hasArg(OPT_fno_common); 987 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 988 Opts.OptimizeSize = Args.hasArg(OPT_Os); 989 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 990 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 991 Args.hasArg(OPT_ffreestanding)); 992 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 993 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 994 995 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 996 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 997 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 998 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 999 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1000 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1001 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1002 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1003 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1004 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1005 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1006 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1007 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1008 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1009 Args.hasArg(OPT_cl_fast_relaxed_math); 1010 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1011 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1012 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1013 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1014 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1015 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1016 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1017 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1018 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1019 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1020 Args.hasArg(OPT_cl_fast_relaxed_math); 1021 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1022 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1023 1024 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1025 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1026 1027 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1028 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1029 1030 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1031 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1032 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1033 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1034 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1035 1036 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1037 StringRef Name = A->getValue(Args); 1038 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1039 .Case("legacy", CodeGenOptions::Legacy) 1040 .Case("non-legacy", CodeGenOptions::NonLegacy) 1041 .Case("mixed", CodeGenOptions::Mixed) 1042 .Default(~0U); 1043 if (Method == ~0U) 1044 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1045 else 1046 Opts.ObjCDispatchMethod = Method; 1047 } 1048} 1049 1050static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1051 ArgList &Args) { 1052 using namespace cc1options; 1053 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1054 Opts.Targets = Args.getAllArgValues(OPT_MT); 1055 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1056 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1057 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1058 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1059 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1060} 1061 1062static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1063 Diagnostic &Diags) { 1064 using namespace cc1options; 1065 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1066 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1067 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1068 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1069 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1070 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1071 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1072 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1073 OPT_fno_show_column, 1074 /*Default=*/true); 1075 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1076 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1077 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1078 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1079 1080 // Default behavior is to not to show note include stacks. 1081 Opts.ShowNoteIncludeStack = false; 1082 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1083 OPT_fno_diagnostics_show_note_include_stack)) 1084 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1085 Opts.ShowNoteIncludeStack = true; 1086 1087 StringRef ShowOverloads = 1088 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1089 if (ShowOverloads == "best") 1090 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1091 else if (ShowOverloads == "all") 1092 Opts.ShowOverloads = Diagnostic::Ovl_All; 1093 else 1094 Diags.Report(diag::err_drv_invalid_value) 1095 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1096 << ShowOverloads; 1097 1098 StringRef ShowCategory = 1099 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1100 if (ShowCategory == "none") 1101 Opts.ShowCategories = 0; 1102 else if (ShowCategory == "id") 1103 Opts.ShowCategories = 1; 1104 else if (ShowCategory == "name") 1105 Opts.ShowCategories = 2; 1106 else 1107 Diags.Report(diag::err_drv_invalid_value) 1108 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1109 << ShowCategory; 1110 1111 StringRef Format = 1112 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1113 if (Format == "clang") 1114 Opts.Format = DiagnosticOptions::Clang; 1115 else if (Format == "msvc") 1116 Opts.Format = DiagnosticOptions::Msvc; 1117 else if (Format == "vi") 1118 Opts.Format = DiagnosticOptions::Vi; 1119 else 1120 Diags.Report(diag::err_drv_invalid_value) 1121 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1122 << Format; 1123 1124 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1125 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1126 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1127 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1128 Opts.MacroBacktraceLimit 1129 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1130 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1131 Opts.TemplateBacktraceLimit 1132 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1133 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1134 Diags); 1135 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1136 DiagnosticOptions::DefaultTabStop, Diags); 1137 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1138 Diags.Report(diag::warn_ignoring_ftabstop_value) 1139 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1140 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1141 } 1142 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1143 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1144 Opts.Warnings = Args.getAllArgValues(OPT_W); 1145} 1146 1147static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1148 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1149} 1150 1151static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1152 Diagnostic &Diags) { 1153 using namespace cc1options; 1154 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1155 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1156 switch (A->getOption().getID()) { 1157 default: 1158 assert(0 && "Invalid option in group!"); 1159 case OPT_ast_dump: 1160 Opts.ProgramAction = frontend::ASTDump; break; 1161 case OPT_ast_dump_xml: 1162 Opts.ProgramAction = frontend::ASTDumpXML; break; 1163 case OPT_ast_print: 1164 Opts.ProgramAction = frontend::ASTPrint; break; 1165 case OPT_ast_view: 1166 Opts.ProgramAction = frontend::ASTView; break; 1167 case OPT_dump_raw_tokens: 1168 Opts.ProgramAction = frontend::DumpRawTokens; break; 1169 case OPT_dump_tokens: 1170 Opts.ProgramAction = frontend::DumpTokens; break; 1171 case OPT_S: 1172 Opts.ProgramAction = frontend::EmitAssembly; break; 1173 case OPT_emit_llvm_bc: 1174 Opts.ProgramAction = frontend::EmitBC; break; 1175 case OPT_emit_html: 1176 Opts.ProgramAction = frontend::EmitHTML; break; 1177 case OPT_emit_llvm: 1178 Opts.ProgramAction = frontend::EmitLLVM; break; 1179 case OPT_emit_llvm_only: 1180 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1181 case OPT_emit_codegen_only: 1182 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1183 case OPT_emit_obj: 1184 Opts.ProgramAction = frontend::EmitObj; break; 1185 case OPT_fixit_EQ: 1186 Opts.FixItSuffix = A->getValue(Args); 1187 // fall-through! 1188 case OPT_fixit: 1189 Opts.ProgramAction = frontend::FixIt; break; 1190 case OPT_emit_pch: 1191 Opts.ProgramAction = frontend::GeneratePCH; break; 1192 case OPT_emit_pth: 1193 Opts.ProgramAction = frontend::GeneratePTH; break; 1194 case OPT_init_only: 1195 Opts.ProgramAction = frontend::InitOnly; break; 1196 case OPT_fsyntax_only: 1197 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1198 case OPT_print_decl_contexts: 1199 Opts.ProgramAction = frontend::PrintDeclContext; break; 1200 case OPT_print_preamble: 1201 Opts.ProgramAction = frontend::PrintPreamble; break; 1202 case OPT_E: 1203 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1204 case OPT_rewrite_macros: 1205 Opts.ProgramAction = frontend::RewriteMacros; break; 1206 case OPT_rewrite_objc: 1207 Opts.ProgramAction = frontend::RewriteObjC; break; 1208 case OPT_rewrite_test: 1209 Opts.ProgramAction = frontend::RewriteTest; break; 1210 case OPT_analyze: 1211 Opts.ProgramAction = frontend::RunAnalysis; break; 1212 case OPT_Eonly: 1213 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1214 case OPT_create_module: 1215 Opts.ProgramAction = frontend::CreateModule; break; 1216 } 1217 } 1218 1219 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1220 Opts.Plugins.push_back(A->getValue(Args,0)); 1221 Opts.ProgramAction = frontend::PluginAction; 1222 Opts.ActionName = A->getValue(Args); 1223 1224 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1225 end = Args.filtered_end(); it != end; ++it) { 1226 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1227 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1228 } 1229 } 1230 1231 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1232 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1233 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1234 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1235 end = Args.filtered_end(); it != end; ++it) { 1236 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1237 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1238 } 1239 } 1240 1241 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1242 Opts.CodeCompletionAt = 1243 ParsedSourceLocation::FromString(A->getValue(Args)); 1244 if (Opts.CodeCompletionAt.FileName.empty()) 1245 Diags.Report(diag::err_drv_invalid_value) 1246 << A->getAsString(Args) << A->getValue(Args); 1247 } 1248 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1249 1250 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1251 Opts.Plugins = Args.getAllArgValues(OPT_load); 1252 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1253 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1254 Opts.ShowHelp = Args.hasArg(OPT_help); 1255 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1256 Opts.ShowCodePatternsInCodeCompletion 1257 = Args.hasArg(OPT_code_completion_patterns); 1258 Opts.ShowGlobalSymbolsInCodeCompletion 1259 = !Args.hasArg(OPT_no_code_completion_globals); 1260 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1261 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1262 Opts.ShowVersion = Args.hasArg(OPT_version); 1263 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1264 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1265 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1266 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1267 1268 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1269 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1270 OPT_arcmt_modify, 1271 OPT_arcmt_migrate)) { 1272 switch (A->getOption().getID()) { 1273 default: 1274 llvm_unreachable("missed a case"); 1275 case OPT_arcmt_check: 1276 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1277 break; 1278 case OPT_arcmt_modify: 1279 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1280 break; 1281 case OPT_arcmt_migrate: 1282 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1283 break; 1284 } 1285 } 1286 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1287 Opts.ARCMTMigrateReportOut 1288 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1289 Opts.ARCMTMigrateEmitARCErrors 1290 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1291 1292 InputKind DashX = IK_None; 1293 if (const Arg *A = Args.getLastArg(OPT_x)) { 1294 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1295 .Case("c", IK_C) 1296 .Case("cl", IK_OpenCL) 1297 .Case("cuda", IK_CUDA) 1298 .Case("c++", IK_CXX) 1299 .Case("objective-c", IK_ObjC) 1300 .Case("objective-c++", IK_ObjCXX) 1301 .Case("cpp-output", IK_PreprocessedC) 1302 .Case("assembler-with-cpp", IK_Asm) 1303 .Case("c++-cpp-output", IK_PreprocessedCXX) 1304 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1305 .Case("objc-cpp-output", IK_PreprocessedObjC) 1306 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1307 .Case("c-header", IK_C) 1308 .Case("objective-c-header", IK_ObjC) 1309 .Case("c++-header", IK_CXX) 1310 .Case("objective-c++-header", IK_ObjCXX) 1311 .Case("ast", IK_AST) 1312 .Case("ir", IK_LLVM_IR) 1313 .Default(IK_None); 1314 if (DashX == IK_None) 1315 Diags.Report(diag::err_drv_invalid_value) 1316 << A->getAsString(Args) << A->getValue(Args); 1317 } 1318 1319 // '-' is the default input if none is given. 1320 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1321 Opts.Inputs.clear(); 1322 if (Inputs.empty()) 1323 Inputs.push_back("-"); 1324 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1325 InputKind IK = DashX; 1326 if (IK == IK_None) { 1327 IK = FrontendOptions::getInputKindForExtension( 1328 StringRef(Inputs[i]).rsplit('.').second); 1329 // FIXME: Remove this hack. 1330 if (i == 0) 1331 DashX = IK; 1332 } 1333 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1334 } 1335 1336 return DashX; 1337} 1338 1339std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1340 void *MainAddr) { 1341 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1342 1343 if (!P.isEmpty()) { 1344 P.eraseComponent(); // Remove /clang from foo/bin/clang 1345 P.eraseComponent(); // Remove /bin from foo/bin 1346 1347 // Get foo/lib/clang/<version>/include 1348 P.appendComponent("lib"); 1349 P.appendComponent("clang"); 1350 P.appendComponent(CLANG_VERSION_STRING); 1351 } 1352 1353 return P.str(); 1354} 1355 1356static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1357 using namespace cc1options; 1358 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1359 Opts.Verbose = Args.hasArg(OPT_v); 1360 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1361 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1362 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1363 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1364 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1365 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1366 1367 // Add -I... and -F... options in order. 1368 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1369 ie = Args.filtered_end(); it != ie; ++it) 1370 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1371 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1372 1373 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1374 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1375 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1376 OPT_iwithprefixbefore), 1377 ie = Args.filtered_end(); it != ie; ++it) { 1378 const Arg *A = *it; 1379 if (A->getOption().matches(OPT_iprefix)) 1380 Prefix = A->getValue(Args); 1381 else if (A->getOption().matches(OPT_iwithprefix)) 1382 Opts.AddPath(Prefix.str() + A->getValue(Args), 1383 frontend::System, false, false, false); 1384 else 1385 Opts.AddPath(Prefix.str() + A->getValue(Args), 1386 frontend::Angled, false, false, false); 1387 } 1388 1389 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1390 ie = Args.filtered_end(); it != ie; ++it) 1391 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1392 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1393 ie = Args.filtered_end(); it != ie; ++it) 1394 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1395 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1396 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1397 Opts.AddPath((*it)->getValue(Args), 1398 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1399 frontend::CXXSystem : frontend::System), 1400 true, false, !(*it)->getOption().matches(OPT_iwithsysroot)); 1401 1402 // FIXME: Need options for the various environment variables! 1403} 1404 1405void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1406 LangStandard::Kind LangStd) { 1407 // Set some properties which depend solely on the input kind; it would be nice 1408 // to move these to the language standard, and have the driver resolve the 1409 // input kind + language standard. 1410 if (IK == IK_Asm) { 1411 Opts.AsmPreprocessor = 1; 1412 } else if (IK == IK_ObjC || 1413 IK == IK_ObjCXX || 1414 IK == IK_PreprocessedObjC || 1415 IK == IK_PreprocessedObjCXX) { 1416 Opts.ObjC1 = Opts.ObjC2 = 1; 1417 } 1418 1419 if (LangStd == LangStandard::lang_unspecified) { 1420 // Based on the base language, pick one. 1421 switch (IK) { 1422 case IK_None: 1423 case IK_AST: 1424 case IK_LLVM_IR: 1425 assert(0 && "Invalid input kind!"); 1426 case IK_OpenCL: 1427 LangStd = LangStandard::lang_opencl; 1428 break; 1429 case IK_CUDA: 1430 LangStd = LangStandard::lang_cuda; 1431 break; 1432 case IK_Asm: 1433 case IK_C: 1434 case IK_PreprocessedC: 1435 case IK_ObjC: 1436 case IK_PreprocessedObjC: 1437 LangStd = LangStandard::lang_gnu99; 1438 break; 1439 case IK_CXX: 1440 case IK_PreprocessedCXX: 1441 case IK_ObjCXX: 1442 case IK_PreprocessedObjCXX: 1443 LangStd = LangStandard::lang_gnucxx98; 1444 break; 1445 } 1446 } 1447 1448 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1449 Opts.BCPLComment = Std.hasBCPLComments(); 1450 Opts.C99 = Std.isC99(); 1451 Opts.C1X = Std.isC1X(); 1452 Opts.CPlusPlus = Std.isCPlusPlus(); 1453 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1454 Opts.Digraphs = Std.hasDigraphs(); 1455 Opts.GNUMode = Std.isGNUMode(); 1456 Opts.GNUInline = !Std.isC99(); 1457 Opts.HexFloats = Std.hasHexFloats(); 1458 Opts.ImplicitInt = Std.hasImplicitInt(); 1459 1460 // OpenCL has some additional defaults. 1461 if (LangStd == LangStandard::lang_opencl) { 1462 Opts.OpenCL = 1; 1463 Opts.AltiVec = 1; 1464 Opts.CXXOperatorNames = 1; 1465 Opts.LaxVectorConversions = 1; 1466 Opts.DefaultFPContract = 1; 1467 } 1468 1469 if (LangStd == LangStandard::lang_cuda) 1470 Opts.CUDA = 1; 1471 1472 // OpenCL and C++ both have bool, true, false keywords. 1473 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1474 1475 Opts.GNUKeywords = Opts.GNUMode; 1476 Opts.CXXOperatorNames = Opts.CPlusPlus; 1477 1478 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1479 // is specified, or -std is set to a conforming mode. 1480 Opts.Trigraphs = !Opts.GNUMode; 1481 1482 Opts.DollarIdents = !Opts.AsmPreprocessor; 1483} 1484 1485static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1486 Diagnostic &Diags) { 1487 // FIXME: Cleanup per-file based stuff. 1488 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1489 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1490 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1491#define LANGSTANDARD(id, name, desc, features) \ 1492 .Case(name, LangStandard::lang_##id) 1493#include "clang/Frontend/LangStandards.def" 1494 .Default(LangStandard::lang_unspecified); 1495 if (LangStd == LangStandard::lang_unspecified) 1496 Diags.Report(diag::err_drv_invalid_value) 1497 << A->getAsString(Args) << A->getValue(Args); 1498 else { 1499 // Valid standard, check to make sure language and standard are compatable. 1500 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1501 switch (IK) { 1502 case IK_C: 1503 case IK_ObjC: 1504 case IK_PreprocessedC: 1505 case IK_PreprocessedObjC: 1506 if (!(Std.isC89() || Std.isC99())) 1507 Diags.Report(diag::err_drv_argument_not_allowed_with) 1508 << A->getAsString(Args) << "C/ObjC"; 1509 break; 1510 case IK_CXX: 1511 case IK_ObjCXX: 1512 case IK_PreprocessedCXX: 1513 case IK_PreprocessedObjCXX: 1514 if (!Std.isCPlusPlus()) 1515 Diags.Report(diag::err_drv_argument_not_allowed_with) 1516 << A->getAsString(Args) << "C++/ObjC++"; 1517 break; 1518 case IK_OpenCL: 1519 if (!Std.isC99()) 1520 Diags.Report(diag::err_drv_argument_not_allowed_with) 1521 << A->getAsString(Args) << "OpenCL"; 1522 break; 1523 case IK_CUDA: 1524 if (!Std.isCPlusPlus()) 1525 Diags.Report(diag::err_drv_argument_not_allowed_with) 1526 << A->getAsString(Args) << "CUDA"; 1527 break; 1528 default: 1529 break; 1530 } 1531 } 1532 } 1533 1534 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1535 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1536 Diags.Report(diag::err_drv_invalid_value) 1537 << A->getAsString(Args) << A->getValue(Args); 1538 } 1539 } 1540 1541 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1542 1543 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1544 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1545 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1546 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1547 // name, as it doesn't seem a useful distinction. 1548 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1549 Opts.GNUKeywords); 1550 1551 if (Args.hasArg(OPT_fno_operator_names)) 1552 Opts.CXXOperatorNames = 0; 1553 1554 if (Opts.ObjC1) { 1555 if (Args.hasArg(OPT_fobjc_gc_only)) 1556 Opts.setGCMode(LangOptions::GCOnly); 1557 else if (Args.hasArg(OPT_fobjc_gc)) 1558 Opts.setGCMode(LangOptions::HybridGC); 1559 else if (Args.hasArg(OPT_fobjc_arc)) { 1560 Opts.ObjCAutoRefCount = 1; 1561 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1562 Diags.Report(diag::err_arc_nonfragile_abi); 1563 } 1564 1565 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1566 Opts.ObjCRuntimeHasWeak = 1; 1567 1568 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1569 Opts.ObjCInferRelatedResultType = 0; 1570 } 1571 1572 if (Args.hasArg(OPT_fgnu89_inline)) 1573 Opts.GNUInline = 1; 1574 1575 if (Args.hasArg(OPT_fapple_kext)) { 1576 if (!Opts.CPlusPlus) 1577 Diags.Report(diag::warn_c_kext); 1578 else 1579 Opts.AppleKext = 1; 1580 } 1581 1582 if (Args.hasArg(OPT_print_ivar_layout)) 1583 Opts.ObjCGCBitmapPrint = 1; 1584 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1585 Opts.NoConstantCFStrings = 1; 1586 1587 if (Args.hasArg(OPT_faltivec)) 1588 Opts.AltiVec = 1; 1589 1590 if (Args.hasArg(OPT_pthread)) 1591 Opts.POSIXThreads = 1; 1592 1593 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1594 Opts.DelayedTemplateParsing = 1; 1595 1596 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1597 if (Vis == "default") 1598 Opts.setVisibilityMode(DefaultVisibility); 1599 else if (Vis == "hidden") 1600 Opts.setVisibilityMode(HiddenVisibility); 1601 else if (Vis == "protected") 1602 Opts.setVisibilityMode(ProtectedVisibility); 1603 else 1604 Diags.Report(diag::err_drv_invalid_value) 1605 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1606 1607 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1608 Opts.InlineVisibilityHidden = 1; 1609 1610 if (Args.hasArg(OPT_ftrapv)) { 1611 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1612 // Set the handler, if one is specified. 1613 Opts.OverflowHandler = 1614 Args.getLastArgValue(OPT_ftrapv_handler); 1615 } 1616 else if (Args.hasArg(OPT_fwrapv)) 1617 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1618 1619 if (Args.hasArg(OPT_trigraphs)) 1620 Opts.Trigraphs = 1; 1621 1622 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1623 OPT_fno_dollars_in_identifiers, 1624 Opts.DollarIdents); 1625 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1626 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1627 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1628 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1629 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1630 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1631 Opts.ConstStrings); 1632 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1633 Opts.LaxVectorConversions = 0; 1634 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1635 Opts.ThreadsafeStatics = 0; 1636 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1637 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1638 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1639 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1640 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1641 1642 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1643 Opts.Blocks = Args.hasArg(OPT_fblocks); 1644 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1645 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1646 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1647 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1648 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1649 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1650 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1651 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1652 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1653 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1654 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1655 Diags); 1656 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1657 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1658 0, Diags); 1659 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1660 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1661 Opts.ObjCConstantStringClass = 1662 Args.getLastArgValue(OPT_fconstant_string_class); 1663 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1664 if (Opts.ObjCNonFragileABI) 1665 Opts.ObjCNonFragileABI2 = true; 1666 Opts.ObjCDefaultSynthProperties = 1667 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1668 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1669 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1670 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1671 Opts.Static = Args.hasArg(OPT_static_define); 1672 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1673 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1674 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1675 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1676 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1677 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1678 Opts.OptimizeSize = 0; 1679 Opts.MRTD = Args.hasArg(OPT_mrtd); 1680 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1681 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1682 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1683 1684 // Record whether the __DEPRECATED define was requested. 1685 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1686 OPT_fno_deprecated_macro, 1687 Opts.Deprecated); 1688 1689 // FIXME: Eliminate this dependency. 1690 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1691 Opts.Optimize = Opt != 0; 1692 1693 // This is the __NO_INLINE__ define, which just depends on things like the 1694 // optimization level and -fno-inline, not actually whether the backend has 1695 // inlining enabled. 1696 // 1697 // FIXME: This is affected by other options (-fno-inline). 1698 Opts.NoInline = !Opt; 1699 1700 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1701 switch (SSP) { 1702 default: 1703 Diags.Report(diag::err_drv_invalid_value) 1704 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1705 break; 1706 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1707 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1708 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1709 } 1710} 1711 1712static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1713 FileManager &FileMgr, 1714 Diagnostic &Diags) { 1715 using namespace cc1options; 1716 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1717 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1718 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1719 Opts.TokenCache = A->getValue(Args); 1720 else 1721 Opts.TokenCache = Opts.ImplicitPTHInclude; 1722 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1723 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1724 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1725 1726 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1727 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1728 ie = Args.filtered_end(); it != ie; ++it) { 1729 const Arg *A = *it; 1730 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1731 } 1732 1733 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1734 StringRef Value(A->getValue(Args)); 1735 size_t Comma = Value.find(','); 1736 unsigned Bytes = 0; 1737 unsigned EndOfLine = 0; 1738 1739 if (Comma == StringRef::npos || 1740 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1741 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1742 Diags.Report(diag::err_drv_preamble_format); 1743 else { 1744 Opts.PrecompiledPreambleBytes.first = Bytes; 1745 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1746 } 1747 } 1748 1749 // Add macros from the command line. 1750 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1751 ie = Args.filtered_end(); it != ie; ++it) { 1752 if ((*it)->getOption().matches(OPT_D)) 1753 Opts.addMacroDef((*it)->getValue(Args)); 1754 else 1755 Opts.addMacroUndef((*it)->getValue(Args)); 1756 } 1757 1758 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1759 1760 // Add the ordered list of -includes. 1761 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1762 OPT_include_pth), 1763 ie = Args.filtered_end(); it != ie; ++it) { 1764 const Arg *A = *it; 1765 // PCH is handled specially, we need to extra the original include path. 1766 if (A->getOption().matches(OPT_include_pch)) { 1767 std::string OriginalFile = 1768 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1769 if (OriginalFile.empty()) 1770 continue; 1771 1772 Opts.Includes.push_back(OriginalFile); 1773 } else 1774 Opts.Includes.push_back(A->getValue(Args)); 1775 } 1776 1777 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1778 ie = Args.filtered_end(); it != ie; ++it) { 1779 const Arg *A = *it; 1780 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1781 } 1782 1783 // Include 'altivec.h' if -faltivec option present 1784 if (Args.hasArg(OPT_faltivec)) 1785 Opts.Includes.push_back("altivec.h"); 1786 1787 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1788 ie = Args.filtered_end(); it != ie; ++it) { 1789 const Arg *A = *it; 1790 std::pair<StringRef,StringRef> Split = 1791 StringRef(A->getValue(Args)).split(';'); 1792 1793 if (Split.second.empty()) { 1794 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1795 continue; 1796 } 1797 1798 Opts.addRemappedFile(Split.first, Split.second); 1799 } 1800 1801 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1802 StringRef Name = A->getValue(Args); 1803 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1804 .Case("libc++", ARCXX_libcxx) 1805 .Case("libstdc++", ARCXX_libstdcxx) 1806 .Case("none", ARCXX_nolib) 1807 .Default(~0U); 1808 if (Library == ~0U) 1809 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1810 else 1811 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1812 } 1813} 1814 1815static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1816 ArgList &Args) { 1817 using namespace cc1options; 1818 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1819 Opts.ShowComments = Args.hasArg(OPT_C); 1820 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1821 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1822 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1823} 1824 1825static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1826 using namespace cc1options; 1827 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1828 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1829 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1830 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1831 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1832 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1833 1834 // Use the host triple if unspecified. 1835 if (Opts.Triple.empty()) 1836 Opts.Triple = llvm::sys::getHostTriple(); 1837} 1838 1839// 1840 1841void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1842 const char *const *ArgBegin, 1843 const char *const *ArgEnd, 1844 Diagnostic &Diags) { 1845 // Parse the arguments. 1846 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1847 unsigned MissingArgIndex, MissingArgCount; 1848 llvm::OwningPtr<InputArgList> Args( 1849 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1850 1851 // Check for missing argument error. 1852 if (MissingArgCount) 1853 Diags.Report(diag::err_drv_missing_argument) 1854 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1855 1856 // Issue errors on unknown arguments. 1857 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1858 ie = Args->filtered_end(); it != ie; ++it) 1859 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1860 1861 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1862 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1863 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1864 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1865 // FIXME: We shouldn't have to pass the DashX option around here 1866 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1867 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1868 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1869 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1870 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1871 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1872 Res.getLangOpts().ObjCExceptions = 1; 1873 } 1874 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1875 // PCH file and find the original header name. Remove the need to do that in 1876 // ParsePreprocessorArgs and remove the FileManager 1877 // parameters from the function and the "FileManager.h" #include. 1878 FileManager FileMgr(Res.getFileSystemOpts()); 1879 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1880 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1881 ParseTargetArgs(Res.getTargetOpts(), *Args); 1882} 1883