CompilerInvocation.cpp revision 7800212ef29be314d55814e8dcc568ff8beed106
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 63static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 64 switch (Kind) { 65 default: 66 llvm_unreachable("Unknown analysis client!"); 67#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 68 case NAME: return CMDFLAG; 69#include "clang/Frontend/Analyses.def" 70 } 71} 72 73//===----------------------------------------------------------------------===// 74// Serialization (to args) 75//===----------------------------------------------------------------------===// 76 77static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 78 std::vector<std::string> &Res) { 79 if (Opts.ShowCheckerHelp) 80 Res.push_back("-analyzer-checker-help"); 81 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 82 Res.push_back("-analyzer-store"); 83 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 84 } 85 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 86 Res.push_back("-analyzer-constraints"); 87 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 88 } 89 if (Opts.AnalysisDiagOpt != PD_HTML) { 90 Res.push_back("-analyzer-output"); 91 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 92 } 93 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 94 Res.push_back("-analyzer-purge"); 95 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 96 } 97 if (!Opts.AnalyzeSpecificFunction.empty()) { 98 Res.push_back("-analyze-function"); 99 Res.push_back(Opts.AnalyzeSpecificFunction); 100 } 101 if (Opts.AnalyzeAll) 102 Res.push_back("-analyzer-opt-analyze-headers"); 103 if (Opts.AnalyzerDisplayProgress) 104 Res.push_back("-analyzer-display-progress"); 105 if (Opts.AnalyzeNestedBlocks) 106 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 107 if (Opts.EagerlyAssume) 108 Res.push_back("-analyzer-eagerly-assume"); 109 if (Opts.TrimGraph) 110 Res.push_back("-trim-egraph"); 111 if (Opts.VisualizeEGDot) 112 Res.push_back("-analyzer-viz-egraph-graphviz"); 113 if (Opts.VisualizeEGUbi) 114 Res.push_back("-analyzer-viz-egraph-ubigraph"); 115 116 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 117 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 118 if (opt.second) 119 Res.push_back("-analyzer-disable-checker"); 120 else 121 Res.push_back("-analyzer-checker"); 122 Res.push_back(opt.first); 123 } 124} 125 126static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 127 std::vector<std::string> &Res) { 128 if (Opts.DebugInfo) 129 Res.push_back("-g"); 130 if (Opts.DisableLLVMOpts) 131 Res.push_back("-disable-llvm-optzns"); 132 if (Opts.DisableRedZone) 133 Res.push_back("-disable-red-zone"); 134 if (!Opts.DebugCompilationDir.empty()) { 135 Res.push_back("-fdebug-compilation-dir"); 136 Res.push_back(Opts.DebugCompilationDir); 137 } 138 if (!Opts.DwarfDebugFlags.empty()) { 139 Res.push_back("-dwarf-debug-flags"); 140 Res.push_back(Opts.DwarfDebugFlags); 141 } 142 if (Opts.ObjCRuntimeHasARC) 143 Res.push_back("-fobjc-runtime-has-arc"); 144 if (Opts.ObjCRuntimeHasTerminate) 145 Res.push_back("-fobjc-runtime-has-terminate"); 146 if (Opts.EmitGcovArcs) 147 Res.push_back("-femit-coverage-data"); 148 if (Opts.EmitGcovNotes) 149 Res.push_back("-femit-coverage-notes"); 150 if (!Opts.MergeAllConstants) 151 Res.push_back("-fno-merge-all-constants"); 152 if (Opts.NoCommon) 153 Res.push_back("-fno-common"); 154 if (Opts.ForbidGuardVariables) 155 Res.push_back("-fforbid-guard-variables"); 156 if (Opts.UseRegisterSizedBitfieldAccess) 157 Res.push_back("-fuse-register-sized-bitfield-access"); 158 if (Opts.NoImplicitFloat) 159 Res.push_back("-no-implicit-float"); 160 if (Opts.OmitLeafFramePointer) 161 Res.push_back("-momit-leaf-frame-pointer"); 162 if (Opts.OptimizeSize) { 163 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 164 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 165 } else if (Opts.OptimizationLevel != 0) 166 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 167 if (!Opts.MainFileName.empty()) { 168 Res.push_back("-main-file-name"); 169 Res.push_back(Opts.MainFileName); 170 } 171 // SimplifyLibCalls is only derived. 172 // TimePasses is only derived. 173 // UnitAtATime is unused. 174 // Inlining is only derived. 175 176 // UnrollLoops is derived, but also accepts an option, no 177 // harm in pushing it back here. 178 if (Opts.UnrollLoops) 179 Res.push_back("-funroll-loops"); 180 if (Opts.DataSections) 181 Res.push_back("-fdata-sections"); 182 if (Opts.FunctionSections) 183 Res.push_back("-ffunction-sections"); 184 if (Opts.AsmVerbose) 185 Res.push_back("-masm-verbose"); 186 if (!Opts.CodeModel.empty()) { 187 Res.push_back("-mcode-model"); 188 Res.push_back(Opts.CodeModel); 189 } 190 if (Opts.CUDAIsDevice) 191 Res.push_back("-fcuda-is-device"); 192 if (!Opts.CXAAtExit) 193 Res.push_back("-fno-use-cxa-atexit"); 194 if (Opts.CXXCtorDtorAliases) 195 Res.push_back("-mconstructor-aliases"); 196 if (Opts.ObjCAutoRefCountExceptions) 197 Res.push_back("-fobjc-arc-eh"); 198 if (!Opts.DebugPass.empty()) { 199 Res.push_back("-mdebug-pass"); 200 Res.push_back(Opts.DebugPass); 201 } 202 if (Opts.DisableFPElim) 203 Res.push_back("-mdisable-fp-elim"); 204 if (!Opts.FloatABI.empty()) { 205 Res.push_back("-mfloat-abi"); 206 Res.push_back(Opts.FloatABI); 207 } 208 if (!Opts.LimitFloatPrecision.empty()) { 209 Res.push_back("-mlimit-float-precision"); 210 Res.push_back(Opts.LimitFloatPrecision); 211 } 212 if (Opts.NoZeroInitializedInBSS) 213 Res.push_back("-mno-zero-initialized-bss"); 214 switch (Opts.getObjCDispatchMethod()) { 215 case CodeGenOptions::Legacy: 216 break; 217 case CodeGenOptions::Mixed: 218 Res.push_back("-fobjc-dispatch-method=mixed"); 219 break; 220 case CodeGenOptions::NonLegacy: 221 Res.push_back("-fobjc-dispatch-method=non-legacy"); 222 break; 223 } 224 if (Opts.NumRegisterParameters) { 225 Res.push_back("-mregparm"); 226 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 227 } 228 if (Opts.NoGlobalMerge) 229 Res.push_back("-mno-global-merge"); 230 if (Opts.NoExecStack) 231 Res.push_back("-mnoexecstack"); 232 if (Opts.RelaxAll) 233 Res.push_back("-mrelax-all"); 234 if (Opts.SaveTempLabels) 235 Res.push_back("-msave-temp-labels"); 236 if (Opts.NoDwarf2CFIAsm) 237 Res.push_back("-fno-dwarf2-cfi-asm"); 238 if (Opts.NoDwarfDirectoryAsm) 239 Res.push_back("-fno-dwarf-directory-asm"); 240 if (Opts.SoftFloat) 241 Res.push_back("-msoft-float"); 242 if (Opts.UnwindTables) 243 Res.push_back("-munwind-tables"); 244 if (Opts.RelocationModel != "pic") { 245 Res.push_back("-mrelocation-model"); 246 Res.push_back(Opts.RelocationModel); 247 } 248 if (!Opts.VerifyModule) 249 Res.push_back("-disable-llvm-verifier"); 250 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 251 Res.push_back("-backend-option"); 252 Res.push_back(Opts.BackendOptions[i]); 253 } 254} 255 256static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 257 std::vector<std::string> &Res) { 258 if (Opts.IncludeSystemHeaders) 259 Res.push_back("-sys-header-deps"); 260 if (Opts.ShowHeaderIncludes) 261 Res.push_back("-H"); 262 if (!Opts.HeaderIncludeOutputFile.empty()) { 263 Res.push_back("-header-include-file"); 264 Res.push_back(Opts.HeaderIncludeOutputFile); 265 } 266 if (Opts.UsePhonyTargets) 267 Res.push_back("-MP"); 268 if (!Opts.OutputFile.empty()) { 269 Res.push_back("-dependency-file"); 270 Res.push_back(Opts.OutputFile); 271 } 272 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 273 Res.push_back("-MT"); 274 Res.push_back(Opts.Targets[i]); 275 } 276} 277 278static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 279 std::vector<std::string> &Res) { 280 if (Opts.IgnoreWarnings) 281 Res.push_back("-w"); 282 if (Opts.NoRewriteMacros) 283 Res.push_back("-Wno-rewrite-macros"); 284 if (Opts.Pedantic) 285 Res.push_back("-pedantic"); 286 if (Opts.PedanticErrors) 287 Res.push_back("-pedantic-errors"); 288 if (!Opts.ShowColumn) 289 Res.push_back("-fno-show-column"); 290 if (!Opts.ShowLocation) 291 Res.push_back("-fno-show-source-location"); 292 if (!Opts.ShowCarets) 293 Res.push_back("-fno-caret-diagnostics"); 294 if (!Opts.ShowFixits) 295 Res.push_back("-fno-diagnostics-fixit-info"); 296 if (Opts.ShowSourceRanges) 297 Res.push_back("-fdiagnostics-print-source-range-info"); 298 if (Opts.ShowParseableFixits) 299 Res.push_back("-fdiagnostics-parseable-fixits"); 300 if (Opts.ShowColors) 301 Res.push_back("-fcolor-diagnostics"); 302 if (Opts.VerifyDiagnostics) 303 Res.push_back("-verify"); 304 if (Opts.ShowNames) 305 Res.push_back("-fdiagnostics-show-name"); 306 if (Opts.ShowOptionNames) 307 Res.push_back("-fdiagnostics-show-option"); 308 if (Opts.ShowCategories == 1) 309 Res.push_back("-fdiagnostics-show-category=id"); 310 else if (Opts.ShowCategories == 2) 311 Res.push_back("-fdiagnostics-show-category=name"); 312 switch (Opts.Format) { 313 case DiagnosticOptions::Clang: 314 Res.push_back("-fdiagnostics-format=clang"); break; 315 case DiagnosticOptions::Msvc: 316 Res.push_back("-fdiagnostics-format=msvc"); break; 317 case DiagnosticOptions::Vi: 318 Res.push_back("-fdiagnostics-format=vi"); break; 319 } 320 if (Opts.ErrorLimit) { 321 Res.push_back("-ferror-limit"); 322 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 323 } 324 if (!Opts.DiagnosticLogFile.empty()) { 325 Res.push_back("-diagnostic-log-file"); 326 Res.push_back(Opts.DiagnosticLogFile); 327 } 328 if (Opts.MacroBacktraceLimit 329 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 330 Res.push_back("-fmacro-backtrace-limit"); 331 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 332 } 333 if (Opts.TemplateBacktraceLimit 334 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 335 Res.push_back("-ftemplate-backtrace-limit"); 336 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 337 } 338 339 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 340 Res.push_back("-ftabstop"); 341 Res.push_back(llvm::utostr(Opts.TabStop)); 342 } 343 if (Opts.MessageLength) { 344 Res.push_back("-fmessage-length"); 345 Res.push_back(llvm::utostr(Opts.MessageLength)); 346 } 347 if (!Opts.DumpBuildInformation.empty()) { 348 Res.push_back("-dump-build-information"); 349 Res.push_back(Opts.DumpBuildInformation); 350 } 351 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 352 Res.push_back("-W" + Opts.Warnings[i]); 353} 354 355static const char *getInputKindName(InputKind Kind) { 356 switch (Kind) { 357 case IK_None: break; 358 case IK_AST: return "ast"; 359 case IK_Asm: return "assembler-with-cpp"; 360 case IK_C: return "c"; 361 case IK_CXX: return "c++"; 362 case IK_LLVM_IR: return "ir"; 363 case IK_ObjC: return "objective-c"; 364 case IK_ObjCXX: return "objective-c++"; 365 case IK_OpenCL: return "cl"; 366 case IK_CUDA: return "cuda"; 367 case IK_PreprocessedC: return "cpp-output"; 368 case IK_PreprocessedCXX: return "c++-cpp-output"; 369 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 370 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 371 } 372 373 llvm_unreachable("Unexpected language kind!"); 374 return 0; 375} 376 377static const char *getActionName(frontend::ActionKind Kind) { 378 switch (Kind) { 379 case frontend::PluginAction: 380 llvm_unreachable("Invalid kind!"); 381 382 case frontend::ASTDump: return "-ast-dump"; 383 case frontend::ASTDumpXML: return "-ast-dump-xml"; 384 case frontend::ASTPrint: return "-ast-print"; 385 case frontend::ASTView: return "-ast-view"; 386 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 387 case frontend::DumpTokens: return "-dump-tokens"; 388 case frontend::EmitAssembly: return "-S"; 389 case frontend::EmitBC: return "-emit-llvm-bc"; 390 case frontend::EmitHTML: return "-emit-html"; 391 case frontend::EmitLLVM: return "-emit-llvm"; 392 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 393 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 394 case frontend::EmitObj: return "-emit-obj"; 395 case frontend::FixIt: return "-fixit"; 396 case frontend::GenerateModule: return "-emit-module"; 397 case frontend::GeneratePCH: return "-emit-pch"; 398 case frontend::GeneratePTH: return "-emit-pth"; 399 case frontend::InitOnly: return "-init-only"; 400 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 401 case frontend::PrintDeclContext: return "-print-decl-contexts"; 402 case frontend::PrintPreamble: return "-print-preamble"; 403 case frontend::PrintPreprocessedInput: return "-E"; 404 case frontend::RewriteMacros: return "-rewrite-macros"; 405 case frontend::RewriteObjC: return "-rewrite-objc"; 406 case frontend::RewriteTest: return "-rewrite-test"; 407 case frontend::RunAnalysis: return "-analyze"; 408 case frontend::RunPreprocessorOnly: return "-Eonly"; 409 } 410 411 llvm_unreachable("Unexpected language kind!"); 412 return 0; 413} 414 415static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 416 std::vector<std::string> &Res) { 417 if (!Opts.WorkingDir.empty()) { 418 Res.push_back("-working-directory"); 419 Res.push_back(Opts.WorkingDir); 420 } 421} 422 423static void FrontendOptsToArgs(const FrontendOptions &Opts, 424 std::vector<std::string> &Res) { 425 if (Opts.DisableFree) 426 Res.push_back("-disable-free"); 427 if (Opts.RelocatablePCH) 428 Res.push_back("-relocatable-pch"); 429 if (Opts.ShowHelp) 430 Res.push_back("-help"); 431 if (Opts.ShowMacrosInCodeCompletion) 432 Res.push_back("-code-completion-macros"); 433 if (Opts.ShowCodePatternsInCodeCompletion) 434 Res.push_back("-code-completion-patterns"); 435 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 436 Res.push_back("-no-code-completion-globals"); 437 if (Opts.ShowStats) 438 Res.push_back("-print-stats"); 439 if (Opts.ShowTimers) 440 Res.push_back("-ftime-report"); 441 if (Opts.ShowVersion) 442 Res.push_back("-version"); 443 if (Opts.FixWhatYouCan) 444 Res.push_back("-fix-what-you-can"); 445 switch (Opts.ARCMTAction) { 446 case FrontendOptions::ARCMT_None: 447 break; 448 case FrontendOptions::ARCMT_Check: 449 Res.push_back("-arcmt-check"); 450 break; 451 case FrontendOptions::ARCMT_Modify: 452 Res.push_back("-arcmt-modify"); 453 break; 454 case FrontendOptions::ARCMT_Migrate: 455 Res.push_back("-arcmt-migrate"); 456 break; 457 } 458 if (!Opts.ARCMTMigrateDir.empty()) { 459 Res.push_back("-arcmt-migrate-directory"); 460 Res.push_back(Opts.ARCMTMigrateDir); 461 } 462 if (!Opts.ARCMTMigrateReportOut.empty()) { 463 Res.push_back("-arcmt-migrate-report-output"); 464 Res.push_back(Opts.ARCMTMigrateReportOut); 465 } 466 if (Opts.ARCMTMigrateEmitARCErrors) 467 Res.push_back("-arcmt-migrate-emit-errors"); 468 469 bool NeedLang = false; 470 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 471 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 472 Opts.Inputs[i].first) 473 NeedLang = true; 474 if (NeedLang) { 475 Res.push_back("-x"); 476 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 477 } 478 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 479 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 480 "Unable to represent this input vector!"); 481 Res.push_back(Opts.Inputs[i].second); 482 } 483 484 if (!Opts.OutputFile.empty()) { 485 Res.push_back("-o"); 486 Res.push_back(Opts.OutputFile); 487 } 488 if (!Opts.CodeCompletionAt.FileName.empty()) { 489 Res.push_back("-code-completion-at"); 490 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 491 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 492 llvm::utostr(Opts.CodeCompletionAt.Column)); 493 } 494 if (Opts.ProgramAction != frontend::PluginAction) 495 Res.push_back(getActionName(Opts.ProgramAction)); 496 if (!Opts.ActionName.empty()) { 497 Res.push_back("-plugin"); 498 Res.push_back(Opts.ActionName); 499 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 500 Res.push_back("-plugin-arg-" + Opts.ActionName); 501 Res.push_back(Opts.PluginArgs[i]); 502 } 503 } 504 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 505 Res.push_back("-load"); 506 Res.push_back(Opts.Plugins[i]); 507 } 508 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 509 Res.push_back("-add-plugin"); 510 Res.push_back(Opts.AddPluginActions[i]); 511 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 512 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 513 Res.push_back(Opts.AddPluginArgs[i][ai]); 514 } 515 } 516 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 517 Res.push_back("-ast-merge"); 518 Res.push_back(Opts.ASTMergeFiles[i]); 519 } 520 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 521 Res.push_back("-mllvm"); 522 Res.push_back(Opts.LLVMArgs[i]); 523 } 524} 525 526static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 527 std::vector<std::string> &Res) { 528 if (Opts.Sysroot != "/") { 529 Res.push_back("-isysroot"); 530 Res.push_back(Opts.Sysroot); 531 } 532 533 /// User specified include entries. 534 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 535 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 536 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 537 llvm::report_fatal_error("Invalid option set!"); 538 if (E.IsUserSupplied) { 539 switch (E.Group) { 540 case frontend::After: 541 Res.push_back("-idirafter"); 542 break; 543 544 case frontend::Quoted: 545 Res.push_back("-iquote"); 546 break; 547 548 case frontend::System: 549 Res.push_back("-isystem"); 550 break; 551 552 case frontend::IndexHeaderMap: 553 Res.push_back("-index-header-map"); 554 Res.push_back(E.IsFramework? "-F" : "-I"); 555 break; 556 557 case frontend::CSystem: 558 Res.push_back("-c-isystem"); 559 break; 560 561 case frontend::CXXSystem: 562 Res.push_back("-cxx-isystem"); 563 break; 564 565 case frontend::ObjCSystem: 566 Res.push_back("-objc-isystem"); 567 break; 568 569 case frontend::ObjCXXSystem: 570 Res.push_back("-objcxx-isystem"); 571 break; 572 573 case frontend::Angled: 574 Res.push_back(E.IsFramework ? "-F" : "-I"); 575 break; 576 } 577 } else { 578 if (E.Group != frontend::Angled && E.Group != frontend::System) 579 llvm::report_fatal_error("Invalid option set!"); 580 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 581 "-iwithprefix"); 582 } 583 Res.push_back(E.Path); 584 } 585 586 if (!Opts.ResourceDir.empty()) { 587 Res.push_back("-resource-dir"); 588 Res.push_back(Opts.ResourceDir); 589 } 590 if (!Opts.ModuleCachePath.empty()) { 591 Res.push_back("-fmodule-cache-path"); 592 Res.push_back(Opts.ModuleCachePath); 593 } 594 if (!Opts.UseStandardSystemIncludes) 595 Res.push_back("-nostdsysteminc"); 596 if (!Opts.UseStandardCXXIncludes) 597 Res.push_back("-nostdinc++"); 598 if (Opts.UseLibcxx) 599 Res.push_back("-stdlib=libc++"); 600 if (Opts.Verbose) 601 Res.push_back("-v"); 602} 603 604static void LangOptsToArgs(const LangOptions &Opts, 605 std::vector<std::string> &Res) { 606 LangOptions DefaultLangOpts; 607 608 // FIXME: Need to set -std to get all the implicit options. 609 610 // FIXME: We want to only pass options relative to the defaults, which 611 // requires constructing a target. :( 612 // 613 // It would be better to push the all target specific choices into the driver, 614 // so that everything below that was more uniform. 615 616 if (Opts.Trigraphs) 617 Res.push_back("-trigraphs"); 618 // Implicit based on the input kind: 619 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 620 // Implicit based on the input language standard: 621 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 622 if (Opts.DollarIdents) 623 Res.push_back("-fdollars-in-identifiers"); 624 if (Opts.GNUMode && !Opts.GNUKeywords) 625 Res.push_back("-fno-gnu-keywords"); 626 if (!Opts.GNUMode && Opts.GNUKeywords) 627 Res.push_back("-fgnu-keywords"); 628 if (Opts.MicrosoftExt) 629 Res.push_back("-fms-extensions"); 630 if (Opts.MicrosoftMode) 631 Res.push_back("-fms-compatibility"); 632 if (Opts.MSCVersion != 0) 633 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 634 if (Opts.Borland) 635 Res.push_back("-fborland-extensions"); 636 if (!Opts.ObjCNonFragileABI) 637 Res.push_back("-fobjc-fragile-abi"); 638 if (Opts.ObjCDefaultSynthProperties) 639 Res.push_back("-fobjc-default-synthesize-properties"); 640 // NoInline is implicit. 641 if (!Opts.CXXOperatorNames) 642 Res.push_back("-fno-operator-names"); 643 if (Opts.PascalStrings) 644 Res.push_back("-fpascal-strings"); 645 if (Opts.CatchUndefined) 646 Res.push_back("-fcatch-undefined-behavior"); 647 if (Opts.WritableStrings) 648 Res.push_back("-fwritable-strings"); 649 if (Opts.ConstStrings) 650 Res.push_back("-fconst-strings"); 651 if (!Opts.LaxVectorConversions) 652 Res.push_back("-fno-lax-vector-conversions"); 653 if (Opts.AltiVec) 654 Res.push_back("-faltivec"); 655 if (Opts.Exceptions) 656 Res.push_back("-fexceptions"); 657 if (Opts.ObjCExceptions) 658 Res.push_back("-fobjc-exceptions"); 659 if (Opts.CXXExceptions) 660 Res.push_back("-fcxx-exceptions"); 661 if (Opts.SjLjExceptions) 662 Res.push_back("-fsjlj-exceptions"); 663 if (Opts.TraditionalCPP) 664 Res.push_back("-traditional-cpp"); 665 if (!Opts.RTTI) 666 Res.push_back("-fno-rtti"); 667 if (Opts.MSBitfields) 668 Res.push_back("-mms-bitfields"); 669 if (!Opts.NeXTRuntime) 670 Res.push_back("-fgnu-runtime"); 671 if (Opts.Freestanding) 672 Res.push_back("-ffreestanding"); 673 if (Opts.NoBuiltin) 674 Res.push_back("-fno-builtin"); 675 if (!Opts.AssumeSaneOperatorNew) 676 Res.push_back("-fno-assume-sane-operator-new"); 677 if (!Opts.ThreadsafeStatics) 678 Res.push_back("-fno-threadsafe-statics"); 679 if (Opts.POSIXThreads) 680 Res.push_back("-pthread"); 681 if (Opts.Blocks) 682 Res.push_back("-fblocks"); 683 if (Opts.BlocksRuntimeOptional) 684 Res.push_back("-fblocks-runtime-optional"); 685 if (Opts.EmitAllDecls) 686 Res.push_back("-femit-all-decls"); 687 if (Opts.MathErrno) 688 Res.push_back("-fmath-errno"); 689 switch (Opts.getSignedOverflowBehavior()) { 690 case LangOptions::SOB_Undefined: break; 691 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 692 case LangOptions::SOB_Trapping: 693 Res.push_back("-ftrapv"); break; 694 if (!Opts.OverflowHandler.empty()) { 695 Res.push_back("-ftrapv-handler"); 696 Res.push_back(Opts.OverflowHandler); 697 } 698 } 699 if (Opts.HeinousExtensions) 700 Res.push_back("-fheinous-gnu-extensions"); 701 // Optimize is implicit. 702 // OptimizeSize is implicit. 703 if (Opts.Static) 704 Res.push_back("-static-define"); 705 if (Opts.DumpRecordLayouts) 706 Res.push_back("-fdump-record-layouts"); 707 if (Opts.DumpVTableLayouts) 708 Res.push_back("-fdump-vtable-layouts"); 709 if (Opts.NoBitFieldTypeAlign) 710 Res.push_back("-fno-bitfield-type-alignment"); 711 if (Opts.PICLevel) { 712 Res.push_back("-pic-level"); 713 Res.push_back(llvm::utostr(Opts.PICLevel)); 714 } 715 if (Opts.ObjCGCBitmapPrint) 716 Res.push_back("-print-ivar-layout"); 717 if (Opts.NoConstantCFStrings) 718 Res.push_back("-fno-constant-cfstrings"); 719 if (!Opts.AccessControl) 720 Res.push_back("-fno-access-control"); 721 if (!Opts.CharIsSigned) 722 Res.push_back("-fno-signed-char"); 723 if (Opts.ShortWChar) 724 Res.push_back("-fshort-wchar"); 725 if (!Opts.ElideConstructors) 726 Res.push_back("-fno-elide-constructors"); 727 if (Opts.getGC() != LangOptions::NonGC) { 728 if (Opts.getGC() == LangOptions::HybridGC) { 729 Res.push_back("-fobjc-gc"); 730 } else { 731 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 732 Res.push_back("-fobjc-gc-only"); 733 } 734 } 735 if (Opts.ObjCAutoRefCount) 736 Res.push_back("-fobjc-arc"); 737 if (Opts.ObjCRuntimeHasWeak) 738 Res.push_back("-fobjc-runtime-has-weak"); 739 if (!Opts.ObjCInferRelatedResultType) 740 Res.push_back("-fno-objc-infer-related-result-type"); 741 742 if (Opts.AppleKext) 743 Res.push_back("-fapple-kext"); 744 745 if (Opts.getVisibilityMode() != DefaultVisibility) { 746 Res.push_back("-fvisibility"); 747 if (Opts.getVisibilityMode() == HiddenVisibility) { 748 Res.push_back("hidden"); 749 } else { 750 assert(Opts.getVisibilityMode() == ProtectedVisibility && 751 "Invalid visibility!"); 752 Res.push_back("protected"); 753 } 754 } 755 if (Opts.InlineVisibilityHidden) 756 Res.push_back("-fvisibility-inlines-hidden"); 757 758 if (Opts.getStackProtector() != 0) { 759 Res.push_back("-stack-protector"); 760 Res.push_back(llvm::utostr(Opts.getStackProtector())); 761 } 762 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 763 Res.push_back("-ftemplate-depth"); 764 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 765 } 766 if (!Opts.ObjCConstantStringClass.empty()) { 767 Res.push_back("-fconstant-string-class"); 768 Res.push_back(Opts.ObjCConstantStringClass); 769 } 770 if (Opts.FakeAddressSpaceMap) 771 Res.push_back("-ffake-address-space-map"); 772 if (Opts.ParseUnknownAnytype) 773 Res.push_back("-funknown-anytype"); 774 if (Opts.DebuggerSupport) 775 Res.push_back("-fdebugger-support"); 776 if (Opts.DelayedTemplateParsing) 777 Res.push_back("-fdelayed-template-parsing"); 778 if (Opts.Deprecated) 779 Res.push_back("-fdeprecated-macro"); 780} 781 782static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 783 std::vector<std::string> &Res) { 784 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 785 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 786 Opts.Macros[i].first); 787 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 788 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 789 Res.push_back("-include"); 790 Res.push_back(Opts.Includes[i]); 791 } 792 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 793 Res.push_back("-imacros"); 794 Res.push_back(Opts.MacroIncludes[i]); 795 } 796 if (!Opts.UsePredefines) 797 Res.push_back("-undef"); 798 if (Opts.DetailedRecord) 799 Res.push_back("-detailed-preprocessing-record"); 800 if (!Opts.ImplicitPCHInclude.empty()) { 801 Res.push_back("-include-pch"); 802 Res.push_back(Opts.ImplicitPCHInclude); 803 } 804 if (!Opts.ImplicitPTHInclude.empty()) { 805 Res.push_back("-include-pth"); 806 Res.push_back(Opts.ImplicitPTHInclude); 807 } 808 if (!Opts.TokenCache.empty()) { 809 if (Opts.ImplicitPTHInclude.empty()) { 810 Res.push_back("-token-cache"); 811 Res.push_back(Opts.TokenCache); 812 } else 813 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 814 "Unsupported option combination!"); 815 } 816 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 817 Res.push_back("-chain-include"); 818 Res.push_back(Opts.ChainedIncludes[i]); 819 } 820 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 821 Res.push_back("-remap-file"); 822 Res.push_back(Opts.RemappedFiles[i].first + ";" + 823 Opts.RemappedFiles[i].second); 824 } 825} 826 827static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 828 std::vector<std::string> &Res) { 829 if (!Opts.ShowCPP && !Opts.ShowMacros) 830 llvm::report_fatal_error("Invalid option combination!"); 831 832 if (Opts.ShowCPP && Opts.ShowMacros) 833 Res.push_back("-dD"); 834 else if (!Opts.ShowCPP && Opts.ShowMacros) 835 Res.push_back("-dM"); 836 837 if (!Opts.ShowLineMarkers) 838 Res.push_back("-P"); 839 if (Opts.ShowComments) 840 Res.push_back("-C"); 841 if (Opts.ShowMacroComments) 842 Res.push_back("-CC"); 843} 844 845static void TargetOptsToArgs(const TargetOptions &Opts, 846 std::vector<std::string> &Res) { 847 Res.push_back("-triple"); 848 Res.push_back(Opts.Triple); 849 if (!Opts.CPU.empty()) { 850 Res.push_back("-target-cpu"); 851 Res.push_back(Opts.CPU); 852 } 853 if (!Opts.ABI.empty()) { 854 Res.push_back("-target-abi"); 855 Res.push_back(Opts.ABI); 856 } 857 if (!Opts.LinkerVersion.empty()) { 858 Res.push_back("-target-linker-version"); 859 Res.push_back(Opts.LinkerVersion); 860 } 861 if (!Opts.CXXABI.empty()) { 862 Res.push_back("-cxx-abi"); 863 Res.push_back(Opts.CXXABI); 864 } 865 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 866 Res.push_back("-target-feature"); 867 Res.push_back(Opts.Features[i]); 868 } 869} 870 871void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 872 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 873 CodeGenOptsToArgs(getCodeGenOpts(), Res); 874 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 875 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 876 FileSystemOptsToArgs(getFileSystemOpts(), Res); 877 FrontendOptsToArgs(getFrontendOpts(), Res); 878 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 879 LangOptsToArgs(getLangOpts(), Res); 880 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 881 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 882 TargetOptsToArgs(getTargetOpts(), Res); 883} 884 885//===----------------------------------------------------------------------===// 886// Deserialization (to args) 887//===----------------------------------------------------------------------===// 888 889using namespace clang::driver; 890using namespace clang::driver::cc1options; 891 892// 893 894static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 895 DiagnosticsEngine &Diags) { 896 unsigned DefaultOpt = 0; 897 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 898 DefaultOpt = 2; 899 // -Os/-Oz implies -O2 900 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 901 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 902} 903 904static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 905 DiagnosticsEngine &Diags) { 906 using namespace cc1options; 907 908 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 909 StringRef Name = A->getValue(Args); 910 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 911#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 912 .Case(CMDFLAG, NAME##Model) 913#include "clang/Frontend/Analyses.def" 914 .Default(NumStores); 915 // FIXME: Error handling. 916 if (Value == NumStores) 917 Diags.Report(diag::err_drv_invalid_value) 918 << A->getAsString(Args) << Name; 919 else 920 Opts.AnalysisStoreOpt = Value; 921 } 922 923 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 924 StringRef Name = A->getValue(Args); 925 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 926#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 927 .Case(CMDFLAG, NAME##Model) 928#include "clang/Frontend/Analyses.def" 929 .Default(NumConstraints); 930 // FIXME: Error handling. 931 if (Value == NumConstraints) 932 Diags.Report(diag::err_drv_invalid_value) 933 << A->getAsString(Args) << Name; 934 else 935 Opts.AnalysisConstraintsOpt = Value; 936 } 937 938 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 939 StringRef Name = A->getValue(Args); 940 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 941#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 942 .Case(CMDFLAG, PD_##NAME) 943#include "clang/Frontend/Analyses.def" 944 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 945 // FIXME: Error handling. 946 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 947 Diags.Report(diag::err_drv_invalid_value) 948 << A->getAsString(Args) << Name; 949 else 950 Opts.AnalysisDiagOpt = Value; 951 } 952 953 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 954 StringRef Name = A->getValue(Args); 955 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 956#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 957 .Case(CMDFLAG, NAME) 958#include "clang/Frontend/Analyses.def" 959 .Default(NumPurgeModes); 960 // FIXME: Error handling. 961 if (Value == NumPurgeModes) 962 Diags.Report(diag::err_drv_invalid_value) 963 << A->getAsString(Args) << Name; 964 else 965 Opts.AnalysisPurgeOpt = Value; 966 } 967 968 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 969 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 970 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 971 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 972 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 973 Opts.AnalyzeNestedBlocks = 974 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 975 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 976 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 977 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 978 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 979 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 980 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 981 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 982 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 983 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 984 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 985 986 Opts.CheckersControlList.clear(); 987 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 988 OPT_analyzer_disable_checker), 989 ie = Args.filtered_end(); it != ie; ++it) { 990 const Arg *A = *it; 991 A->claim(); 992 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 993 // We can have a list of comma separated checker names, e.g: 994 // '-analyzer-checker=cocoa,unix' 995 StringRef checkerList = A->getValue(Args); 996 SmallVector<StringRef, 4> checkers; 997 checkerList.split(checkers, ","); 998 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 999 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1000 } 1001} 1002 1003static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1004 DiagnosticsEngine &Diags) { 1005 using namespace cc1options; 1006 1007 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1008 if (Opts.OptimizationLevel > 3) { 1009 Diags.Report(diag::err_drv_invalid_value) 1010 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1011 Opts.OptimizationLevel = 3; 1012 } 1013 1014 // We must always run at least the always inlining pass. 1015 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1016 : CodeGenOptions::OnlyAlwaysInlining; 1017 1018 Opts.DebugInfo = Args.hasArg(OPT_g); 1019 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 1020 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1021 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1022 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1023 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1024 OPT_fuse_register_sized_bitfield_access); 1025 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1026 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1027 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1028 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1029 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1030 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1031 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1032 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1033 Args.hasArg(OPT_ffreestanding)); 1034 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1035 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1036 1037 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1038 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1039 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1040 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1041 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1042 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1043 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1044 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1045 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1046 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1047 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1048 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1049 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1050 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1051 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1052 Args.hasArg(OPT_cl_fast_relaxed_math); 1053 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1054 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1055 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1056 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1057 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1058 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1059 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1060 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1061 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1062 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1063 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1064 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1065 Args.hasArg(OPT_cl_fast_relaxed_math); 1066 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1067 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1068 1069 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1070 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1071 1072 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1073 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1074 1075 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1076 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1077 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1078 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1079 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1080 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1081 1082 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1083 StringRef Name = A->getValue(Args); 1084 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1085 .Case("legacy", CodeGenOptions::Legacy) 1086 .Case("non-legacy", CodeGenOptions::NonLegacy) 1087 .Case("mixed", CodeGenOptions::Mixed) 1088 .Default(~0U); 1089 if (Method == ~0U) 1090 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1091 else 1092 Opts.ObjCDispatchMethod = Method; 1093 } 1094} 1095 1096static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1097 ArgList &Args) { 1098 using namespace cc1options; 1099 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1100 Opts.Targets = Args.getAllArgValues(OPT_MT); 1101 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1102 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1103 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1104 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1105 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1106} 1107 1108static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1109 DiagnosticsEngine &Diags) { 1110 using namespace cc1options; 1111 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1112 Opts.DiagnosticSerializationFile = 1113 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1114 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1115 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1116 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1117 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1118 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1119 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1120 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1121 OPT_fno_show_column, 1122 /*Default=*/true); 1123 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1124 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1125 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1126 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1127 1128 // Default behavior is to not to show note include stacks. 1129 Opts.ShowNoteIncludeStack = false; 1130 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1131 OPT_fno_diagnostics_show_note_include_stack)) 1132 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1133 Opts.ShowNoteIncludeStack = true; 1134 1135 StringRef ShowOverloads = 1136 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1137 if (ShowOverloads == "best") 1138 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1139 else if (ShowOverloads == "all") 1140 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1141 else 1142 Diags.Report(diag::err_drv_invalid_value) 1143 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1144 << ShowOverloads; 1145 1146 StringRef ShowCategory = 1147 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1148 if (ShowCategory == "none") 1149 Opts.ShowCategories = 0; 1150 else if (ShowCategory == "id") 1151 Opts.ShowCategories = 1; 1152 else if (ShowCategory == "name") 1153 Opts.ShowCategories = 2; 1154 else 1155 Diags.Report(diag::err_drv_invalid_value) 1156 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1157 << ShowCategory; 1158 1159 StringRef Format = 1160 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1161 if (Format == "clang") 1162 Opts.Format = DiagnosticOptions::Clang; 1163 else if (Format == "msvc") 1164 Opts.Format = DiagnosticOptions::Msvc; 1165 else if (Format == "vi") 1166 Opts.Format = DiagnosticOptions::Vi; 1167 else 1168 Diags.Report(diag::err_drv_invalid_value) 1169 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1170 << Format; 1171 1172 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1173 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1174 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1175 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1176 Opts.MacroBacktraceLimit 1177 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1178 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1179 Opts.TemplateBacktraceLimit 1180 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1181 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1182 Diags); 1183 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1184 DiagnosticOptions::DefaultTabStop, Diags); 1185 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1186 Diags.Report(diag::warn_ignoring_ftabstop_value) 1187 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1188 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1189 } 1190 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1191 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1192 Opts.Warnings = Args.getAllArgValues(OPT_W); 1193} 1194 1195static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1196 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1197} 1198 1199static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1200 DiagnosticsEngine &Diags) { 1201 using namespace cc1options; 1202 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1203 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1204 switch (A->getOption().getID()) { 1205 default: 1206 llvm_unreachable("Invalid option in group!"); 1207 case OPT_ast_dump: 1208 Opts.ProgramAction = frontend::ASTDump; break; 1209 case OPT_ast_dump_xml: 1210 Opts.ProgramAction = frontend::ASTDumpXML; break; 1211 case OPT_ast_print: 1212 Opts.ProgramAction = frontend::ASTPrint; break; 1213 case OPT_ast_view: 1214 Opts.ProgramAction = frontend::ASTView; break; 1215 case OPT_dump_raw_tokens: 1216 Opts.ProgramAction = frontend::DumpRawTokens; break; 1217 case OPT_dump_tokens: 1218 Opts.ProgramAction = frontend::DumpTokens; break; 1219 case OPT_S: 1220 Opts.ProgramAction = frontend::EmitAssembly; break; 1221 case OPT_emit_llvm_bc: 1222 Opts.ProgramAction = frontend::EmitBC; break; 1223 case OPT_emit_html: 1224 Opts.ProgramAction = frontend::EmitHTML; break; 1225 case OPT_emit_llvm: 1226 Opts.ProgramAction = frontend::EmitLLVM; break; 1227 case OPT_emit_llvm_only: 1228 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1229 case OPT_emit_codegen_only: 1230 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1231 case OPT_emit_obj: 1232 Opts.ProgramAction = frontend::EmitObj; break; 1233 case OPT_fixit_EQ: 1234 Opts.FixItSuffix = A->getValue(Args); 1235 // fall-through! 1236 case OPT_fixit: 1237 Opts.ProgramAction = frontend::FixIt; break; 1238 case OPT_emit_module: 1239 Opts.ProgramAction = frontend::GenerateModule; break; 1240 case OPT_emit_pch: 1241 Opts.ProgramAction = frontend::GeneratePCH; break; 1242 case OPT_emit_pth: 1243 Opts.ProgramAction = frontend::GeneratePTH; break; 1244 case OPT_init_only: 1245 Opts.ProgramAction = frontend::InitOnly; break; 1246 case OPT_fsyntax_only: 1247 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1248 case OPT_print_decl_contexts: 1249 Opts.ProgramAction = frontend::PrintDeclContext; break; 1250 case OPT_print_preamble: 1251 Opts.ProgramAction = frontend::PrintPreamble; break; 1252 case OPT_E: 1253 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1254 case OPT_rewrite_macros: 1255 Opts.ProgramAction = frontend::RewriteMacros; break; 1256 case OPT_rewrite_objc: 1257 Opts.ProgramAction = frontend::RewriteObjC; break; 1258 case OPT_rewrite_test: 1259 Opts.ProgramAction = frontend::RewriteTest; break; 1260 case OPT_analyze: 1261 Opts.ProgramAction = frontend::RunAnalysis; break; 1262 case OPT_Eonly: 1263 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1264 } 1265 } 1266 1267 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1268 Opts.Plugins.push_back(A->getValue(Args,0)); 1269 Opts.ProgramAction = frontend::PluginAction; 1270 Opts.ActionName = A->getValue(Args); 1271 1272 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1273 end = Args.filtered_end(); it != end; ++it) { 1274 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1275 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1276 } 1277 } 1278 1279 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1280 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1281 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1282 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1283 end = Args.filtered_end(); it != end; ++it) { 1284 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1285 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1286 } 1287 } 1288 1289 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1290 Opts.CodeCompletionAt = 1291 ParsedSourceLocation::FromString(A->getValue(Args)); 1292 if (Opts.CodeCompletionAt.FileName.empty()) 1293 Diags.Report(diag::err_drv_invalid_value) 1294 << A->getAsString(Args) << A->getValue(Args); 1295 } 1296 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1297 1298 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1299 Opts.Plugins = Args.getAllArgValues(OPT_load); 1300 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1301 Opts.ShowHelp = Args.hasArg(OPT_help); 1302 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1303 Opts.ShowCodePatternsInCodeCompletion 1304 = Args.hasArg(OPT_code_completion_patterns); 1305 Opts.ShowGlobalSymbolsInCodeCompletion 1306 = !Args.hasArg(OPT_no_code_completion_globals); 1307 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1308 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1309 Opts.ShowVersion = Args.hasArg(OPT_version); 1310 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1311 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1312 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1313 1314 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1315 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1316 OPT_arcmt_modify, 1317 OPT_arcmt_migrate)) { 1318 switch (A->getOption().getID()) { 1319 default: 1320 llvm_unreachable("missed a case"); 1321 case OPT_arcmt_check: 1322 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1323 break; 1324 case OPT_arcmt_modify: 1325 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1326 break; 1327 case OPT_arcmt_migrate: 1328 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1329 break; 1330 } 1331 } 1332 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1333 Opts.ARCMTMigrateReportOut 1334 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1335 Opts.ARCMTMigrateEmitARCErrors 1336 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1337 1338 InputKind DashX = IK_None; 1339 if (const Arg *A = Args.getLastArg(OPT_x)) { 1340 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1341 .Case("c", IK_C) 1342 .Case("cl", IK_OpenCL) 1343 .Case("cuda", IK_CUDA) 1344 .Case("c++", IK_CXX) 1345 .Case("objective-c", IK_ObjC) 1346 .Case("objective-c++", IK_ObjCXX) 1347 .Case("cpp-output", IK_PreprocessedC) 1348 .Case("assembler-with-cpp", IK_Asm) 1349 .Case("c++-cpp-output", IK_PreprocessedCXX) 1350 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1351 .Case("objc-cpp-output", IK_PreprocessedObjC) 1352 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1353 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1354 .Case("c-header", IK_C) 1355 .Case("cl-header", IK_OpenCL) 1356 .Case("objective-c-header", IK_ObjC) 1357 .Case("c++-header", IK_CXX) 1358 .Case("objective-c++-header", IK_ObjCXX) 1359 .Case("ast", IK_AST) 1360 .Case("ir", IK_LLVM_IR) 1361 .Default(IK_None); 1362 if (DashX == IK_None) 1363 Diags.Report(diag::err_drv_invalid_value) 1364 << A->getAsString(Args) << A->getValue(Args); 1365 } 1366 1367 // '-' is the default input if none is given. 1368 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1369 Opts.Inputs.clear(); 1370 if (Inputs.empty()) 1371 Inputs.push_back("-"); 1372 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1373 InputKind IK = DashX; 1374 if (IK == IK_None) { 1375 IK = FrontendOptions::getInputKindForExtension( 1376 StringRef(Inputs[i]).rsplit('.').second); 1377 // FIXME: Remove this hack. 1378 if (i == 0) 1379 DashX = IK; 1380 } 1381 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1382 } 1383 1384 return DashX; 1385} 1386 1387std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1388 void *MainAddr) { 1389 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1390 1391 if (!P.isEmpty()) { 1392 P.eraseComponent(); // Remove /clang from foo/bin/clang 1393 P.eraseComponent(); // Remove /bin from foo/bin 1394 1395 // Get foo/lib/clang/<version>/include 1396 P.appendComponent("lib"); 1397 P.appendComponent("clang"); 1398 P.appendComponent(CLANG_VERSION_STRING); 1399 } 1400 1401 return P.str(); 1402} 1403 1404static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1405 using namespace cc1options; 1406 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1407 Opts.Verbose = Args.hasArg(OPT_v); 1408 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1409 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1410 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1411 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1412 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1413 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1414 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1415 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1416 1417 // Add -I..., -F..., and -index-header-map options in order. 1418 bool IsIndexHeaderMap = false; 1419 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1420 OPT_index_header_map), 1421 ie = Args.filtered_end(); it != ie; ++it) { 1422 if ((*it)->getOption().matches(OPT_index_header_map)) { 1423 // -index-header-map applies to the next -I or -F. 1424 IsIndexHeaderMap = true; 1425 continue; 1426 } 1427 1428 frontend::IncludeDirGroup Group 1429 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1430 1431 Opts.AddPath((*it)->getValue(Args), Group, true, 1432 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1433 IsIndexHeaderMap = false; 1434 } 1435 1436 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1437 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1438 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1439 OPT_iwithprefixbefore), 1440 ie = Args.filtered_end(); it != ie; ++it) { 1441 const Arg *A = *it; 1442 if (A->getOption().matches(OPT_iprefix)) 1443 Prefix = A->getValue(Args); 1444 else if (A->getOption().matches(OPT_iwithprefix)) 1445 Opts.AddPath(Prefix.str() + A->getValue(Args), 1446 frontend::System, false, false, false); 1447 else 1448 Opts.AddPath(Prefix.str() + A->getValue(Args), 1449 frontend::Angled, false, false, false); 1450 } 1451 1452 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1453 ie = Args.filtered_end(); it != ie; ++it) 1454 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1455 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1456 ie = Args.filtered_end(); it != ie; ++it) 1457 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1458 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1459 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1460 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1461 !(*it)->getOption().matches(OPT_iwithsysroot)); 1462 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1463 ie = Args.filtered_end(); it != ie; ++it) 1464 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1465 true); 1466 1467 // Add the paths for the various language specific isystem flags. 1468 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1469 ie = Args.filtered_end(); it != ie; ++it) 1470 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1471 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1472 ie = Args.filtered_end(); it != ie; ++it) 1473 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1474 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1475 ie = Args.filtered_end(); it != ie; ++it) 1476 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1477 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1478 ie = Args.filtered_end(); it != ie; ++it) 1479 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1480 true); 1481} 1482 1483void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1484 LangStandard::Kind LangStd) { 1485 // Set some properties which depend solely on the input kind; it would be nice 1486 // to move these to the language standard, and have the driver resolve the 1487 // input kind + language standard. 1488 if (IK == IK_Asm) { 1489 Opts.AsmPreprocessor = 1; 1490 } else if (IK == IK_ObjC || 1491 IK == IK_ObjCXX || 1492 IK == IK_PreprocessedObjC || 1493 IK == IK_PreprocessedObjCXX) { 1494 Opts.ObjC1 = Opts.ObjC2 = 1; 1495 } 1496 1497 if (LangStd == LangStandard::lang_unspecified) { 1498 // Based on the base language, pick one. 1499 switch (IK) { 1500 case IK_None: 1501 case IK_AST: 1502 case IK_LLVM_IR: 1503 llvm_unreachable("Invalid input kind!"); 1504 case IK_OpenCL: 1505 LangStd = LangStandard::lang_opencl; 1506 break; 1507 case IK_CUDA: 1508 LangStd = LangStandard::lang_cuda; 1509 break; 1510 case IK_Asm: 1511 case IK_C: 1512 case IK_PreprocessedC: 1513 case IK_ObjC: 1514 case IK_PreprocessedObjC: 1515 LangStd = LangStandard::lang_gnu99; 1516 break; 1517 case IK_CXX: 1518 case IK_PreprocessedCXX: 1519 case IK_ObjCXX: 1520 case IK_PreprocessedObjCXX: 1521 LangStd = LangStandard::lang_gnucxx98; 1522 break; 1523 } 1524 } 1525 1526 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1527 Opts.BCPLComment = Std.hasBCPLComments(); 1528 Opts.C99 = Std.isC99(); 1529 Opts.C1X = Std.isC1X(); 1530 Opts.CPlusPlus = Std.isCPlusPlus(); 1531 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1532 Opts.Digraphs = Std.hasDigraphs(); 1533 Opts.GNUMode = Std.isGNUMode(); 1534 Opts.GNUInline = !Std.isC99(); 1535 Opts.HexFloats = Std.hasHexFloats(); 1536 Opts.ImplicitInt = Std.hasImplicitInt(); 1537 1538 // OpenCL has some additional defaults. 1539 if (LangStd == LangStandard::lang_opencl) { 1540 Opts.OpenCL = 1; 1541 Opts.AltiVec = 0; 1542 Opts.CXXOperatorNames = 1; 1543 Opts.LaxVectorConversions = 0; 1544 Opts.DefaultFPContract = 1; 1545 } 1546 1547 if (LangStd == LangStandard::lang_cuda) 1548 Opts.CUDA = 1; 1549 1550 // OpenCL and C++ both have bool, true, false keywords. 1551 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1552 1553 Opts.GNUKeywords = Opts.GNUMode; 1554 Opts.CXXOperatorNames = Opts.CPlusPlus; 1555 1556 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1557 // is specified, or -std is set to a conforming mode. 1558 Opts.Trigraphs = !Opts.GNUMode; 1559 1560 Opts.DollarIdents = !Opts.AsmPreprocessor; 1561} 1562 1563static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1564 DiagnosticsEngine &Diags) { 1565 // FIXME: Cleanup per-file based stuff. 1566 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1567 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1568 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1569#define LANGSTANDARD(id, name, desc, features) \ 1570 .Case(name, LangStandard::lang_##id) 1571#include "clang/Frontend/LangStandards.def" 1572 .Default(LangStandard::lang_unspecified); 1573 if (LangStd == LangStandard::lang_unspecified) 1574 Diags.Report(diag::err_drv_invalid_value) 1575 << A->getAsString(Args) << A->getValue(Args); 1576 else { 1577 // Valid standard, check to make sure language and standard are compatable. 1578 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1579 switch (IK) { 1580 case IK_C: 1581 case IK_ObjC: 1582 case IK_PreprocessedC: 1583 case IK_PreprocessedObjC: 1584 if (!(Std.isC89() || Std.isC99())) 1585 Diags.Report(diag::err_drv_argument_not_allowed_with) 1586 << A->getAsString(Args) << "C/ObjC"; 1587 break; 1588 case IK_CXX: 1589 case IK_ObjCXX: 1590 case IK_PreprocessedCXX: 1591 case IK_PreprocessedObjCXX: 1592 if (!Std.isCPlusPlus()) 1593 Diags.Report(diag::err_drv_argument_not_allowed_with) 1594 << A->getAsString(Args) << "C++/ObjC++"; 1595 break; 1596 case IK_OpenCL: 1597 if (!Std.isC99()) 1598 Diags.Report(diag::err_drv_argument_not_allowed_with) 1599 << A->getAsString(Args) << "OpenCL"; 1600 break; 1601 case IK_CUDA: 1602 if (!Std.isCPlusPlus()) 1603 Diags.Report(diag::err_drv_argument_not_allowed_with) 1604 << A->getAsString(Args) << "CUDA"; 1605 break; 1606 default: 1607 break; 1608 } 1609 } 1610 } 1611 1612 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1613 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1614 Diags.Report(diag::err_drv_invalid_value) 1615 << A->getAsString(Args) << A->getValue(Args); 1616 } 1617 } 1618 1619 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1620 1621 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1622 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1623 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1624 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1625 // name, as it doesn't seem a useful distinction. 1626 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1627 Opts.GNUKeywords); 1628 1629 if (Args.hasArg(OPT_fno_operator_names)) 1630 Opts.CXXOperatorNames = 0; 1631 1632 if (Opts.ObjC1) { 1633 if (Args.hasArg(OPT_fobjc_gc_only)) 1634 Opts.setGC(LangOptions::GCOnly); 1635 else if (Args.hasArg(OPT_fobjc_gc)) 1636 Opts.setGC(LangOptions::HybridGC); 1637 else if (Args.hasArg(OPT_fobjc_arc)) { 1638 Opts.ObjCAutoRefCount = 1; 1639 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1640 Diags.Report(diag::err_arc_nonfragile_abi); 1641 } 1642 1643 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1644 Opts.ObjCRuntimeHasWeak = 1; 1645 1646 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1647 Opts.ObjCInferRelatedResultType = 0; 1648 } 1649 1650 if (Args.hasArg(OPT_fgnu89_inline)) 1651 Opts.GNUInline = 1; 1652 1653 if (Args.hasArg(OPT_fapple_kext)) { 1654 if (!Opts.CPlusPlus) 1655 Diags.Report(diag::warn_c_kext); 1656 else 1657 Opts.AppleKext = 1; 1658 } 1659 1660 if (Args.hasArg(OPT_print_ivar_layout)) 1661 Opts.ObjCGCBitmapPrint = 1; 1662 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1663 Opts.NoConstantCFStrings = 1; 1664 1665 if (Args.hasArg(OPT_faltivec)) 1666 Opts.AltiVec = 1; 1667 1668 if (Args.hasArg(OPT_pthread)) 1669 Opts.POSIXThreads = 1; 1670 1671 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1672 Opts.DelayedTemplateParsing = 1; 1673 1674 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1675 if (Vis == "default") 1676 Opts.setVisibilityMode(DefaultVisibility); 1677 else if (Vis == "hidden") 1678 Opts.setVisibilityMode(HiddenVisibility); 1679 else if (Vis == "protected") 1680 Opts.setVisibilityMode(ProtectedVisibility); 1681 else 1682 Diags.Report(diag::err_drv_invalid_value) 1683 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1684 1685 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1686 Opts.InlineVisibilityHidden = 1; 1687 1688 if (Args.hasArg(OPT_ftrapv)) { 1689 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1690 // Set the handler, if one is specified. 1691 Opts.OverflowHandler = 1692 Args.getLastArgValue(OPT_ftrapv_handler); 1693 } 1694 else if (Args.hasArg(OPT_fwrapv)) 1695 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1696 1697 if (Args.hasArg(OPT_trigraphs)) 1698 Opts.Trigraphs = 1; 1699 1700 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1701 OPT_fno_dollars_in_identifiers, 1702 Opts.DollarIdents); 1703 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1704 Opts.MicrosoftExt 1705 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1706 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1707 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1708 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1709 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1710 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1711 Opts.ConstStrings); 1712 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1713 Opts.LaxVectorConversions = 0; 1714 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1715 Opts.ThreadsafeStatics = 0; 1716 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1717 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1718 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1719 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1720 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1721 1722 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1723 Opts.Blocks = Args.hasArg(OPT_fblocks); 1724 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1725 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1726 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1727 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1728 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1729 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1730 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1731 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1732 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1733 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1734 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1735 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1736 Diags); 1737 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1738 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1739 0, Diags); 1740 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1741 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1742 Opts.ObjCConstantStringClass = 1743 Args.getLastArgValue(OPT_fconstant_string_class); 1744 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1745 if (Opts.ObjCNonFragileABI) 1746 Opts.ObjCNonFragileABI2 = true; 1747 Opts.ObjCDefaultSynthProperties = 1748 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1749 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1750 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1751 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1752 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1753 Opts.Static = Args.hasArg(OPT_static_define); 1754 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1755 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1756 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1757 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1758 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1759 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1760 Opts.OptimizeSize = 0; 1761 Opts.MRTD = Args.hasArg(OPT_mrtd); 1762 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1763 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1764 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1765 1766 // Record whether the __DEPRECATED define was requested. 1767 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1768 OPT_fno_deprecated_macro, 1769 Opts.Deprecated); 1770 1771 // FIXME: Eliminate this dependency. 1772 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1773 Opts.Optimize = Opt != 0; 1774 1775 // This is the __NO_INLINE__ define, which just depends on things like the 1776 // optimization level and -fno-inline, not actually whether the backend has 1777 // inlining enabled. 1778 // 1779 // FIXME: This is affected by other options (-fno-inline). 1780 Opts.NoInline = !Opt; 1781 1782 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1783 switch (SSP) { 1784 default: 1785 Diags.Report(diag::err_drv_invalid_value) 1786 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1787 break; 1788 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1789 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1790 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1791 } 1792} 1793 1794static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1795 FileManager &FileMgr, 1796 DiagnosticsEngine &Diags) { 1797 using namespace cc1options; 1798 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1799 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1800 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1801 Opts.TokenCache = A->getValue(Args); 1802 else 1803 Opts.TokenCache = Opts.ImplicitPTHInclude; 1804 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1805 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1806 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1807 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1808 1809 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1810 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1811 ie = Args.filtered_end(); it != ie; ++it) { 1812 const Arg *A = *it; 1813 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1814 } 1815 1816 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1817 StringRef Value(A->getValue(Args)); 1818 size_t Comma = Value.find(','); 1819 unsigned Bytes = 0; 1820 unsigned EndOfLine = 0; 1821 1822 if (Comma == StringRef::npos || 1823 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1824 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1825 Diags.Report(diag::err_drv_preamble_format); 1826 else { 1827 Opts.PrecompiledPreambleBytes.first = Bytes; 1828 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1829 } 1830 } 1831 1832 // Add macros from the command line. 1833 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1834 ie = Args.filtered_end(); it != ie; ++it) { 1835 if ((*it)->getOption().matches(OPT_D)) 1836 Opts.addMacroDef((*it)->getValue(Args)); 1837 else 1838 Opts.addMacroUndef((*it)->getValue(Args)); 1839 } 1840 1841 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1842 1843 // Add the ordered list of -includes. 1844 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1845 OPT_include_pth), 1846 ie = Args.filtered_end(); it != ie; ++it) { 1847 const Arg *A = *it; 1848 // PCH is handled specially, we need to extra the original include path. 1849 if (A->getOption().matches(OPT_include_pch)) { 1850 std::string OriginalFile = 1851 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1852 if (OriginalFile.empty()) 1853 continue; 1854 1855 Opts.Includes.push_back(OriginalFile); 1856 } else 1857 Opts.Includes.push_back(A->getValue(Args)); 1858 } 1859 1860 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1861 ie = Args.filtered_end(); it != ie; ++it) { 1862 const Arg *A = *it; 1863 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1864 } 1865 1866 // Include 'altivec.h' if -faltivec option present 1867 if (Args.hasArg(OPT_faltivec)) 1868 Opts.Includes.push_back("altivec.h"); 1869 1870 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1871 ie = Args.filtered_end(); it != ie; ++it) { 1872 const Arg *A = *it; 1873 std::pair<StringRef,StringRef> Split = 1874 StringRef(A->getValue(Args)).split(';'); 1875 1876 if (Split.second.empty()) { 1877 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1878 continue; 1879 } 1880 1881 Opts.addRemappedFile(Split.first, Split.second); 1882 } 1883 1884 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1885 StringRef Name = A->getValue(Args); 1886 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1887 .Case("libc++", ARCXX_libcxx) 1888 .Case("libstdc++", ARCXX_libstdcxx) 1889 .Case("none", ARCXX_nolib) 1890 .Default(~0U); 1891 if (Library == ~0U) 1892 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1893 else 1894 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1895 } 1896} 1897 1898static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1899 ArgList &Args) { 1900 using namespace cc1options; 1901 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1902 Opts.ShowComments = Args.hasArg(OPT_C); 1903 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1904 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1905 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1906} 1907 1908static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1909 using namespace cc1options; 1910 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1911 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1912 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1913 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1914 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1915 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1916 1917 // Use the host triple if unspecified. 1918 if (Opts.Triple.empty()) 1919 Opts.Triple = llvm::sys::getHostTriple(); 1920} 1921 1922// 1923 1924void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1925 const char *const *ArgBegin, 1926 const char *const *ArgEnd, 1927 DiagnosticsEngine &Diags) { 1928 // Parse the arguments. 1929 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1930 unsigned MissingArgIndex, MissingArgCount; 1931 llvm::OwningPtr<InputArgList> Args( 1932 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1933 1934 // Check for missing argument error. 1935 if (MissingArgCount) 1936 Diags.Report(diag::err_drv_missing_argument) 1937 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1938 1939 // Issue errors on unknown arguments. 1940 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1941 ie = Args->filtered_end(); it != ie; ++it) 1942 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1943 1944 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1945 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1946 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1947 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1948 // FIXME: We shouldn't have to pass the DashX option around here 1949 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1950 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1951 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1952 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1953 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1954 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1955 Res.getLangOpts().ObjCExceptions = 1; 1956 } 1957 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1958 // PCH file and find the original header name. Remove the need to do that in 1959 // ParsePreprocessorArgs and remove the FileManager 1960 // parameters from the function and the "FileManager.h" #include. 1961 FileManager FileMgr(Res.getFileSystemOpts()); 1962 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1963 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1964 ParseTargetArgs(Res.getTargetOpts(), *Args); 1965} 1966 1967namespace { 1968 1969 class ModuleSignature { 1970 llvm::SmallVector<uint64_t, 16> Data; 1971 unsigned CurBit; 1972 uint64_t CurValue; 1973 1974 public: 1975 ModuleSignature() : CurBit(0), CurValue(0) { } 1976 1977 void add(uint64_t Value, unsigned Bits); 1978 void add(StringRef Value); 1979 void flush(); 1980 1981 llvm::APInt getAsInteger() const; 1982 }; 1983} 1984 1985void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 1986 CurValue |= Value << CurBit; 1987 if (CurBit + NumBits < 64) { 1988 CurBit += NumBits; 1989 return; 1990 } 1991 1992 // Add the current word. 1993 Data.push_back(CurValue); 1994 1995 if (CurBit) 1996 CurValue = Value >> (64-CurBit); 1997 else 1998 CurValue = 0; 1999 CurBit = (CurBit+NumBits) & 63; 2000} 2001 2002void ModuleSignature::flush() { 2003 if (CurBit == 0) 2004 return; 2005 2006 Data.push_back(CurValue); 2007 CurBit = 0; 2008 CurValue = 0; 2009} 2010 2011void ModuleSignature::add(StringRef Value) { 2012 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2013 add(*I, 8); 2014} 2015 2016llvm::APInt ModuleSignature::getAsInteger() const { 2017 return llvm::APInt(Data.size() * 64, Data); 2018} 2019 2020std::string CompilerInvocation::getModuleHash() const { 2021 ModuleSignature Signature; 2022 2023 // Start the signature with the compiler version. 2024 Signature.add(getClangFullRepositoryVersion()); 2025 2026 // Extend the signature with the language options 2027#define LANGOPT(Name, Bits, Default, Description) \ 2028 Signature.add(LangOpts.Name, Bits); 2029#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2030 Signature.add(static_cast<unsigned>(LangOpts.get##Name()), Bits); 2031#define BENIGN_LANGOPT(Name, Bits, Default, Description) 2032#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2033#include "clang/Basic/LangOptions.def" 2034 2035 // Extend the signature with the target triple 2036 llvm::Triple T(TargetOpts.Triple); 2037 Signature.add((unsigned)T.getArch(), 5); 2038 Signature.add((unsigned)T.getVendor(), 4); 2039 Signature.add((unsigned)T.getOS(), 5); 2040 Signature.add((unsigned)T.getEnvironment(), 4); 2041 2042 // Extend the signature with preprocessor options. 2043 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2044 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2045 2046 // Hash the preprocessor defines. 2047 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2048 std::vector<StringRef> MacroDefs; 2049 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2050 I = getPreprocessorOpts().Macros.begin(), 2051 IEnd = getPreprocessorOpts().Macros.end(); 2052 I != IEnd; ++I) { 2053 if (!I->second) 2054 MacroDefs.push_back(I->first); 2055 } 2056 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2057 2058 unsigned PPHashResult = 0; 2059 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2060 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2061 Signature.add(PPHashResult, 32); 2062 2063 // We've generated the signature. Treat it as one large APInt that we'll 2064 // encode in base-36 and return. 2065 Signature.flush(); 2066 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2067} 2068