CompilerInvocation.cpp revision 208600
1//===--- CompilerInvocation.cpp -------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "clang/Frontend/CompilerInvocation.h" 11#include "clang/Basic/Diagnostic.h" 12#include "clang/Basic/Version.h" 13#include "clang/Driver/Arg.h" 14#include "clang/Driver/ArgList.h" 15#include "clang/Driver/CC1Options.h" 16#include "clang/Driver/DriverDiagnostic.h" 17#include "clang/Driver/OptTable.h" 18#include "clang/Driver/Option.h" 19#include "clang/Frontend/CompilerInvocation.h" 20#include "clang/Frontend/LangStandard.h" 21#include "clang/Frontend/PCHReader.h" 22#include "llvm/ADT/OwningPtr.h" 23#include "llvm/ADT/SmallVector.h" 24#include "llvm/ADT/StringExtras.h" 25#include "llvm/ADT/StringSwitch.h" 26#include "llvm/Support/ErrorHandling.h" 27#include "llvm/System/Host.h" 28#include "llvm/System/Path.h" 29using namespace clang; 30 31static const char *getAnalysisName(Analyses Kind) { 32 switch (Kind) { 33 default: 34 llvm_unreachable("Unknown analysis kind!"); 35#define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 36 case NAME: return "-" CMDFLAG; 37#include "clang/Frontend/Analyses.def" 38 } 39} 40 41static const char *getAnalysisStoreName(AnalysisStores Kind) { 42 switch (Kind) { 43 default: 44 llvm_unreachable("Unknown analysis store!"); 45#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 46 case NAME##Model: return CMDFLAG; 47#include "clang/Frontend/Analyses.def" 48 } 49} 50 51static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 52 switch (Kind) { 53 default: 54 llvm_unreachable("Unknown analysis constraints!"); 55#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 56 case NAME##Model: return CMDFLAG; 57#include "clang/Frontend/Analyses.def" 58 } 59} 60 61static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 62 switch (Kind) { 63 default: 64 llvm_unreachable("Unknown analysis client!"); 65#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 66 case PD_##NAME: return CMDFLAG; 67#include "clang/Frontend/Analyses.def" 68 } 69} 70 71//===----------------------------------------------------------------------===// 72// Serialization (to args) 73//===----------------------------------------------------------------------===// 74 75static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 76 std::vector<std::string> &Res) { 77 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 78 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 79 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 80 Res.push_back("-analyzer-store"); 81 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 82 } 83 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 84 Res.push_back("-analyzer-constraints"); 85 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 86 } 87 if (Opts.AnalysisDiagOpt != PD_HTML) { 88 Res.push_back("-analyzer-output"); 89 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 90 } 91 if (!Opts.AnalyzeSpecificFunction.empty()) { 92 Res.push_back("-analyze-function"); 93 Res.push_back(Opts.AnalyzeSpecificFunction); 94 } 95 if (Opts.AnalyzeAll) 96 Res.push_back("-analyzer-opt-analyze-headers"); 97 if (Opts.AnalyzerDisplayProgress) 98 Res.push_back("-analyzer-display-progress"); 99 if (Opts.AnalyzeNestedBlocks) 100 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 101 if (Opts.EagerlyAssume) 102 Res.push_back("-analyzer-eagerly-assume"); 103 if (!Opts.PurgeDead) 104 Res.push_back("-analyzer-no-purge-dead"); 105 if (Opts.TrimGraph) 106 Res.push_back("-trim-egraph"); 107 if (Opts.VisualizeEGDot) 108 Res.push_back("-analyzer-viz-egraph-graphviz"); 109 if (Opts.VisualizeEGDot) 110 Res.push_back("-analyzer-viz-egraph-ubigraph"); 111 if (Opts.EnableExperimentalChecks) 112 Res.push_back("-analyzer-experimental-checks"); 113 if (Opts.EnableExperimentalInternalChecks) 114 Res.push_back("-analyzer-experimental-internal-checks"); 115} 116 117static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 118 std::vector<std::string> &Res) { 119 if (Opts.DebugInfo) 120 Res.push_back("-g"); 121 if (Opts.DisableLLVMOpts) 122 Res.push_back("-disable-llvm-optzns"); 123 if (Opts.DisableRedZone) 124 Res.push_back("-disable-red-zone"); 125 if (!Opts.DwarfDebugFlags.empty()) { 126 Res.push_back("-dwarf-debug-flags"); 127 Res.push_back(Opts.DwarfDebugFlags); 128 } 129 if (!Opts.MergeAllConstants) 130 Res.push_back("-fno-merge-all-constants"); 131 if (Opts.NoCommon) 132 Res.push_back("-fno-common"); 133 if (Opts.NoImplicitFloat) 134 Res.push_back("-no-implicit-float"); 135 if (Opts.OptimizeSize) { 136 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 137 Res.push_back("-Os"); 138 } else if (Opts.OptimizationLevel != 0) 139 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 140 if (!Opts.MainFileName.empty()) { 141 Res.push_back("-main-file-name"); 142 Res.push_back(Opts.MainFileName); 143 } 144 // SimplifyLibCalls is only derived. 145 // TimePasses is only derived. 146 // UnitAtATime is unused. 147 // UnrollLoops is only derived. 148 // Inlining is only derived. 149 150 if (Opts.DataSections) 151 Res.push_back("-fdata-sections"); 152 if (Opts.FunctionSections) 153 Res.push_back("-ffunction-sections"); 154 if (Opts.AsmVerbose) 155 Res.push_back("-masm-verbose"); 156 if (!Opts.CodeModel.empty()) { 157 Res.push_back("-mcode-model"); 158 Res.push_back(Opts.CodeModel); 159 } 160 if (!Opts.CXAAtExit) 161 Res.push_back("-fno-use-cxa-atexit"); 162 if (Opts.CXXCtorDtorAliases) 163 Res.push_back("-mconstructor-aliases"); 164 if (!Opts.DebugPass.empty()) { 165 Res.push_back("-mdebug-pass"); 166 Res.push_back(Opts.DebugPass); 167 } 168 if (Opts.DisableFPElim) 169 Res.push_back("-mdisable-fp-elim"); 170 if (!Opts.FloatABI.empty()) { 171 Res.push_back("-mfloat-abi"); 172 Res.push_back(Opts.FloatABI); 173 } 174 if (!Opts.LimitFloatPrecision.empty()) { 175 Res.push_back("-mlimit-float-precision"); 176 Res.push_back(Opts.LimitFloatPrecision); 177 } 178 if (Opts.NoZeroInitializedInBSS) 179 Res.push_back("-mno-zero-initialized-bss"); 180 switch (Opts.getObjCDispatchMethod()) { 181 case CodeGenOptions::Legacy: 182 break; 183 case CodeGenOptions::Mixed: 184 Res.push_back("-fobjc-dispatch-method=mixed"); 185 break; 186 case CodeGenOptions::NonLegacy: 187 Res.push_back("-fobjc-dispatch-method=non-legacy"); 188 break; 189 } 190 if (Opts.RelaxAll) 191 Res.push_back("-mrelax-all"); 192 if (Opts.SoftFloat) 193 Res.push_back("-msoft-float"); 194 if (Opts.UnwindTables) 195 Res.push_back("-munwind-tables"); 196 if (Opts.RelocationModel != "pic") { 197 Res.push_back("-mrelocation-model"); 198 Res.push_back(Opts.RelocationModel); 199 } 200 if (!Opts.VerifyModule) 201 Res.push_back("-disable-llvm-verifier"); 202} 203 204static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 205 std::vector<std::string> &Res) { 206 if (Opts.IncludeSystemHeaders) 207 Res.push_back("-sys-header-deps"); 208 if (Opts.UsePhonyTargets) 209 Res.push_back("-MP"); 210 if (!Opts.OutputFile.empty()) { 211 Res.push_back("-dependency-file"); 212 Res.push_back(Opts.OutputFile); 213 } 214 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 215 Res.push_back("-MT"); 216 Res.push_back(Opts.Targets[i]); 217 } 218} 219 220static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 221 std::vector<std::string> &Res) { 222 if (Opts.IgnoreWarnings) 223 Res.push_back("-w"); 224 if (Opts.NoRewriteMacros) 225 Res.push_back("-Wno-rewrite-macros"); 226 if (Opts.Pedantic) 227 Res.push_back("-pedantic"); 228 if (Opts.PedanticErrors) 229 Res.push_back("-pedantic-errors"); 230 if (!Opts.ShowColumn) 231 Res.push_back("-fno-show-column"); 232 if (!Opts.ShowLocation) 233 Res.push_back("-fno-show-source-location"); 234 if (!Opts.ShowCarets) 235 Res.push_back("-fno-caret-diagnostics"); 236 if (!Opts.ShowFixits) 237 Res.push_back("-fno-diagnostics-fixit-info"); 238 if (Opts.ShowSourceRanges) 239 Res.push_back("-fdiagnostics-print-source-range-info"); 240 if (Opts.ShowColors) 241 Res.push_back("-fcolor-diagnostics"); 242 if (Opts.VerifyDiagnostics) 243 Res.push_back("-verify"); 244 if (Opts.BinaryOutput) 245 Res.push_back("-fdiagnostics-binary"); 246 if (Opts.ShowOptionNames) 247 Res.push_back("-fdiagnostics-show-option"); 248 if (Opts.ShowCategories == 1) 249 Res.push_back("-fdiagnostics-show-category=id"); 250 else if (Opts.ShowCategories == 2) 251 Res.push_back("-fdiagnostics-show-category=name"); 252 if (Opts.ErrorLimit) { 253 Res.push_back("-ferror-limit"); 254 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 255 } 256 if (Opts.MacroBacktraceLimit 257 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 258 Res.push_back("-fmacro-backtrace-limit"); 259 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 260 } 261 if (Opts.TemplateBacktraceLimit 262 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 263 Res.push_back("-ftemplate-backtrace-limit"); 264 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 265 } 266 267 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 268 Res.push_back("-ftabstop"); 269 Res.push_back(llvm::utostr(Opts.TabStop)); 270 } 271 if (Opts.MessageLength) { 272 Res.push_back("-fmessage-length"); 273 Res.push_back(llvm::utostr(Opts.MessageLength)); 274 } 275 if (!Opts.DumpBuildInformation.empty()) { 276 Res.push_back("-dump-build-information"); 277 Res.push_back(Opts.DumpBuildInformation); 278 } 279 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 280 Res.push_back("-W" + Opts.Warnings[i]); 281} 282 283static const char *getInputKindName(FrontendOptions::InputKind Kind) { 284 switch (Kind) { 285 case FrontendOptions::IK_None: break; 286 case FrontendOptions::IK_AST: return "ast"; 287 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 288 case FrontendOptions::IK_C: return "c"; 289 case FrontendOptions::IK_CXX: return "c++"; 290 case FrontendOptions::IK_ObjC: return "objective-c"; 291 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 292 case FrontendOptions::IK_OpenCL: return "cl"; 293 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 294 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 295 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 296 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 297 } 298 299 llvm_unreachable("Unexpected language kind!"); 300 return 0; 301} 302 303static const char *getActionName(frontend::ActionKind Kind) { 304 switch (Kind) { 305 case frontend::PluginAction: 306 case frontend::InheritanceView: 307 llvm_unreachable("Invalid kind!"); 308 309 case frontend::ASTDump: return "-ast-dump"; 310 case frontend::ASTPrint: return "-ast-print"; 311 case frontend::ASTPrintXML: return "-ast-print-xml"; 312 case frontend::ASTView: return "-ast-view"; 313 case frontend::BoostCon: return "-boostcon"; 314 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 315 case frontend::DumpTokens: return "-dump-tokens"; 316 case frontend::EmitAssembly: return "-S"; 317 case frontend::EmitBC: return "-emit-llvm-bc"; 318 case frontend::EmitHTML: return "-emit-html"; 319 case frontend::EmitLLVM: return "-emit-llvm"; 320 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 321 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 322 case frontend::EmitObj: return "-emit-obj"; 323 case frontend::FixIt: return "-fixit"; 324 case frontend::GeneratePCH: return "-emit-pch"; 325 case frontend::GeneratePTH: return "-emit-pth"; 326 case frontend::InitOnly: return "-init-only"; 327 case frontend::ParseNoop: return "-parse-noop"; 328 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 329 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 330 case frontend::PrintDeclContext: return "-print-decl-contexts"; 331 case frontend::PrintPreprocessedInput: return "-E"; 332 case frontend::RewriteMacros: return "-rewrite-macros"; 333 case frontend::RewriteObjC: return "-rewrite-objc"; 334 case frontend::RewriteTest: return "-rewrite-test"; 335 case frontend::RunAnalysis: return "-analyze"; 336 case frontend::RunPreprocessorOnly: return "-Eonly"; 337 } 338 339 llvm_unreachable("Unexpected language kind!"); 340 return 0; 341} 342 343static void FrontendOptsToArgs(const FrontendOptions &Opts, 344 std::vector<std::string> &Res) { 345 if (!Opts.DebugCodeCompletionPrinter) 346 Res.push_back("-no-code-completion-debug-printer"); 347 if (Opts.DisableFree) 348 Res.push_back("-disable-free"); 349 if (Opts.RelocatablePCH) 350 Res.push_back("-relocatable-pch"); 351 if (Opts.ShowHelp) 352 Res.push_back("-help"); 353 if (Opts.ShowMacrosInCodeCompletion) 354 Res.push_back("-code-completion-macros"); 355 if (Opts.ShowCodePatternsInCodeCompletion) 356 Res.push_back("-code-completion-patterns"); 357 if (Opts.ShowStats) 358 Res.push_back("-print-stats"); 359 if (Opts.ShowTimers) 360 Res.push_back("-ftime-report"); 361 if (Opts.ShowVersion) 362 Res.push_back("-version"); 363 364 bool NeedLang = false; 365 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 366 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 367 Opts.Inputs[i].first) 368 NeedLang = true; 369 if (NeedLang) { 370 Res.push_back("-x"); 371 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 372 } 373 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 374 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 375 "Unable to represent this input vector!"); 376 Res.push_back(Opts.Inputs[i].second); 377 } 378 379 if (!Opts.OutputFile.empty()) { 380 Res.push_back("-o"); 381 Res.push_back(Opts.OutputFile); 382 } 383 if (!Opts.ViewClassInheritance.empty()) { 384 Res.push_back("-cxx-inheritance-view"); 385 Res.push_back(Opts.ViewClassInheritance); 386 } 387 if (!Opts.CodeCompletionAt.FileName.empty()) { 388 Res.push_back("-code-completion-at"); 389 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 390 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 391 llvm::utostr(Opts.CodeCompletionAt.Column)); 392 } 393 if (Opts.ProgramAction != frontend::InheritanceView && 394 Opts.ProgramAction != frontend::PluginAction) 395 Res.push_back(getActionName(Opts.ProgramAction)); 396 if (!Opts.ActionName.empty()) { 397 Res.push_back("-plugin"); 398 Res.push_back(Opts.ActionName); 399 } 400 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 401 Res.push_back("-load"); 402 Res.push_back(Opts.Plugins[i]); 403 } 404 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 405 Res.push_back("-ast-merge"); 406 Res.push_back(Opts.ASTMergeFiles[i]); 407 } 408 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 409 Res.push_back("-mllvm"); 410 Res.push_back(Opts.LLVMArgs[i]); 411 } 412} 413 414static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 415 std::vector<std::string> &Res) { 416 if (Opts.Sysroot != "/") { 417 Res.push_back("-isysroot"); 418 Res.push_back(Opts.Sysroot); 419 } 420 421 /// User specified include entries. 422 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 423 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 424 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 425 llvm::report_fatal_error("Invalid option set!"); 426 if (E.IsUserSupplied) { 427 if (E.Group == frontend::After) { 428 Res.push_back("-idirafter"); 429 } else if (E.Group == frontend::Quoted) { 430 Res.push_back("-iquote"); 431 } else if (E.Group == frontend::System) { 432 Res.push_back("-isystem"); 433 } else { 434 assert(E.Group == frontend::Angled && "Invalid group!"); 435 Res.push_back(E.IsFramework ? "-F" : "-I"); 436 } 437 } else { 438 if (E.Group != frontend::Angled && E.Group != frontend::System) 439 llvm::report_fatal_error("Invalid option set!"); 440 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 441 "-iwithprefix"); 442 } 443 Res.push_back(E.Path); 444 } 445 446 if (!Opts.EnvIncPath.empty()) { 447 // FIXME: Provide an option for this, and move env detection to driver. 448 llvm::report_fatal_error("Not yet implemented!"); 449 } 450 if (!Opts.CEnvIncPath.empty()) { 451 // FIXME: Provide an option for this, and move env detection to driver. 452 llvm::report_fatal_error("Not yet implemented!"); 453 } 454 if (!Opts.ObjCEnvIncPath.empty()) { 455 // FIXME: Provide an option for this, and move env detection to driver. 456 llvm::report_fatal_error("Not yet implemented!"); 457 } 458 if (!Opts.CXXEnvIncPath.empty()) { 459 // FIXME: Provide an option for this, and move env detection to driver. 460 llvm::report_fatal_error("Not yet implemented!"); 461 } 462 if (!Opts.ObjCXXEnvIncPath.empty()) { 463 // FIXME: Provide an option for this, and move env detection to driver. 464 llvm::report_fatal_error("Not yet implemented!"); 465 } 466 if (!Opts.ResourceDir.empty()) { 467 Res.push_back("-resource-dir"); 468 Res.push_back(Opts.ResourceDir); 469 } 470 if (!Opts.UseStandardIncludes) 471 Res.push_back("-nostdinc"); 472 if (!Opts.UseStandardCXXIncludes) 473 Res.push_back("-nostdinc++"); 474 if (Opts.Verbose) 475 Res.push_back("-v"); 476} 477 478static void LangOptsToArgs(const LangOptions &Opts, 479 std::vector<std::string> &Res) { 480 LangOptions DefaultLangOpts; 481 482 // FIXME: Need to set -std to get all the implicit options. 483 484 // FIXME: We want to only pass options relative to the defaults, which 485 // requires constructing a target. :( 486 // 487 // It would be better to push the all target specific choices into the driver, 488 // so that everything below that was more uniform. 489 490 if (Opts.Trigraphs) 491 Res.push_back("-trigraphs"); 492 // Implicit based on the input kind: 493 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 494 // Implicit based on the input language standard: 495 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 496 if (Opts.DollarIdents) 497 Res.push_back("-fdollars-in-identifiers"); 498 if (Opts.GNUMode && !Opts.GNUKeywords) 499 Res.push_back("-fno-gnu-keywords"); 500 if (!Opts.GNUMode && Opts.GNUKeywords) 501 Res.push_back("-fgnu-keywords"); 502 if (Opts.Microsoft) 503 Res.push_back("-fms-extensions"); 504 if (Opts.ObjCNonFragileABI) 505 Res.push_back("-fobjc-nonfragile-abi"); 506 if (Opts.ObjCNonFragileABI2) 507 Res.push_back("-fobjc-nonfragile-abi2"); 508 // NoInline is implicit. 509 if (!Opts.CXXOperatorNames) 510 Res.push_back("-fno-operator-names"); 511 if (Opts.PascalStrings) 512 Res.push_back("-fpascal-strings"); 513 if (Opts.CatchUndefined) 514 Res.push_back("-fcatch-undefined-behavior"); 515 if (Opts.WritableStrings) 516 Res.push_back("-fwritable-strings"); 517 if (Opts.ConstStrings) 518 Res.push_back("-Wwrite-strings"); 519 if (!Opts.LaxVectorConversions) 520 Res.push_back("-fno-lax-vector-conversions"); 521 if (Opts.AltiVec) 522 Res.push_back("-faltivec"); 523 if (Opts.Exceptions) 524 Res.push_back("-fexceptions"); 525 if (Opts.SjLjExceptions) 526 Res.push_back("-fsjlj-exceptions"); 527 if (!Opts.RTTI) 528 Res.push_back("-fno-rtti"); 529 if (!Opts.NeXTRuntime) 530 Res.push_back("-fgnu-runtime"); 531 if (Opts.Freestanding) 532 Res.push_back("-ffreestanding"); 533 if (Opts.NoBuiltin) 534 Res.push_back("-fno-builtin"); 535 if (!Opts.AssumeSaneOperatorNew) 536 Res.push_back("-fno-assume-sane-operator-new"); 537 if (!Opts.ThreadsafeStatics) 538 Res.push_back("-fno-threadsafe-statics"); 539 if (Opts.POSIXThreads) 540 Res.push_back("-pthread"); 541 if (Opts.Blocks) 542 Res.push_back("-fblocks"); 543 if (Opts.EmitAllDecls) 544 Res.push_back("-femit-all-decls"); 545 if (Opts.MathErrno) 546 Res.push_back("-fmath-errno"); 547 if (Opts.OverflowChecking) 548 Res.push_back("-ftrapv"); 549 if (Opts.HeinousExtensions) 550 Res.push_back("-fheinous-gnu-extensions"); 551 // Optimize is implicit. 552 // OptimizeSize is implicit. 553 if (Opts.Static) 554 Res.push_back("-static-define"); 555 if (Opts.DumpRecordLayouts) 556 Res.push_back("-fdump-record-layouts"); 557 if (Opts.DumpVTableLayouts) 558 Res.push_back("-fdump-vtable-layouts"); 559 if (Opts.NoBitFieldTypeAlign) 560 Res.push_back("-fno-bitfield-type-alignment"); 561 if (Opts.SjLjExceptions) 562 Res.push_back("-fsjlj-exceptions"); 563 if (Opts.PICLevel) { 564 Res.push_back("-pic-level"); 565 Res.push_back(llvm::utostr(Opts.PICLevel)); 566 } 567 if (Opts.ObjCGCBitmapPrint) 568 Res.push_back("-print-ivar-layout"); 569 if (Opts.NoConstantCFStrings) 570 Res.push_back("-fno-constant-cfstrings"); 571 if (!Opts.AccessControl) 572 Res.push_back("-fno-access-control"); 573 if (!Opts.CharIsSigned) 574 Res.push_back("-fno-signed-char"); 575 if (Opts.ShortWChar) 576 Res.push_back("-fshort-wchar"); 577 if (!Opts.ElideConstructors) 578 Res.push_back("-fno-elide-constructors"); 579 if (Opts.getGCMode() != LangOptions::NonGC) { 580 if (Opts.getGCMode() == LangOptions::HybridGC) { 581 Res.push_back("-fobjc-gc"); 582 } else { 583 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 584 Res.push_back("-fobjc-gc-only"); 585 } 586 } 587 if (Opts.getVisibilityMode() != LangOptions::Default) { 588 Res.push_back("-fvisibility"); 589 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 590 Res.push_back("hidden"); 591 } else { 592 assert(Opts.getVisibilityMode() == LangOptions::Protected && 593 "Invalid visibility!"); 594 Res.push_back("protected"); 595 } 596 } 597 if (Opts.getStackProtectorMode() != 0) { 598 Res.push_back("-stack-protector"); 599 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 600 } 601 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 602 Res.push_back("-ftemplate-depth"); 603 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 604 } 605 if (!Opts.ObjCConstantStringClass.empty()) { 606 Res.push_back("-fconstant-string-class"); 607 Res.push_back(Opts.ObjCConstantStringClass); 608 } 609} 610 611static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 612 std::vector<std::string> &Res) { 613 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 614 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 615 Opts.Macros[i].first); 616 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 617 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 618 Res.push_back("-include"); 619 Res.push_back(Opts.Includes[i]); 620 } 621 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 622 Res.push_back("-imacros"); 623 Res.push_back(Opts.MacroIncludes[i]); 624 } 625 if (!Opts.UsePredefines) 626 Res.push_back("-undef"); 627 if (Opts.DetailedRecord) 628 Res.push_back("-detailed-preprocessing-record"); 629 if (!Opts.ImplicitPCHInclude.empty()) { 630 Res.push_back("-include-pch"); 631 Res.push_back(Opts.ImplicitPCHInclude); 632 } 633 if (!Opts.ImplicitPTHInclude.empty()) { 634 Res.push_back("-include-pth"); 635 Res.push_back(Opts.ImplicitPTHInclude); 636 } 637 if (!Opts.TokenCache.empty()) { 638 if (Opts.ImplicitPTHInclude.empty()) { 639 Res.push_back("-token-cache"); 640 Res.push_back(Opts.TokenCache); 641 } else 642 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 643 "Unsupported option combination!"); 644 } 645 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 646 Res.push_back("-remap-file"); 647 Res.push_back(Opts.RemappedFiles[i].first + ";" + 648 Opts.RemappedFiles[i].second); 649 } 650} 651 652static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 653 std::vector<std::string> &Res) { 654 if (!Opts.ShowCPP && !Opts.ShowMacros) 655 llvm::report_fatal_error("Invalid option combination!"); 656 657 if (Opts.ShowCPP && Opts.ShowMacros) 658 Res.push_back("-dD"); 659 else if (!Opts.ShowCPP && Opts.ShowMacros) 660 Res.push_back("-dM"); 661 662 if (!Opts.ShowLineMarkers) 663 Res.push_back("-P"); 664 if (Opts.ShowComments) 665 Res.push_back("-C"); 666 if (Opts.ShowMacroComments) 667 Res.push_back("-CC"); 668} 669 670static void TargetOptsToArgs(const TargetOptions &Opts, 671 std::vector<std::string> &Res) { 672 Res.push_back("-triple"); 673 Res.push_back(Opts.Triple); 674 if (!Opts.CPU.empty()) { 675 Res.push_back("-target-cpu"); 676 Res.push_back(Opts.CPU); 677 } 678 if (!Opts.ABI.empty()) { 679 Res.push_back("-target-abi"); 680 Res.push_back(Opts.ABI); 681 } 682 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 683 Res.push_back("-target-feature"); 684 Res.push_back(Opts.Features[i]); 685 } 686} 687 688void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 689 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 690 CodeGenOptsToArgs(getCodeGenOpts(), Res); 691 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 692 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 693 FrontendOptsToArgs(getFrontendOpts(), Res); 694 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 695 LangOptsToArgs(getLangOpts(), Res); 696 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 697 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 698 TargetOptsToArgs(getTargetOpts(), Res); 699} 700 701//===----------------------------------------------------------------------===// 702// Deserialization (to args) 703//===----------------------------------------------------------------------===// 704 705using namespace clang::driver; 706using namespace clang::driver::cc1options; 707 708// 709 710static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 711 Diagnostic &Diags) { 712 using namespace cc1options; 713 714 Opts.AnalysisList.clear(); 715#define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 716 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 717#include "clang/Frontend/Analyses.def" 718 719 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 720 llvm::StringRef Name = A->getValue(Args); 721 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 722#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 723 .Case(CMDFLAG, NAME##Model) 724#include "clang/Frontend/Analyses.def" 725 .Default(NumStores); 726 // FIXME: Error handling. 727 if (Value == NumStores) 728 Diags.Report(diag::err_drv_invalid_value) 729 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 730 else 731 Opts.AnalysisStoreOpt = Value; 732 } 733 734 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 735 llvm::StringRef Name = A->getValue(Args); 736 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 737#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 738 .Case(CMDFLAG, NAME##Model) 739#include "clang/Frontend/Analyses.def" 740 .Default(NumConstraints); 741 // FIXME: Error handling. 742 if (Value == NumConstraints) 743 Diags.Report(diag::err_drv_invalid_value) 744 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 745 else 746 Opts.AnalysisConstraintsOpt = Value; 747 } 748 749 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 750 llvm::StringRef Name = A->getValue(Args); 751 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 752#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 753 .Case(CMDFLAG, PD_##NAME) 754#include "clang/Frontend/Analyses.def" 755 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 756 // FIXME: Error handling. 757 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 758 Diags.Report(diag::err_drv_invalid_value) 759 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 760 else 761 Opts.AnalysisDiagOpt = Value; 762 } 763 764 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 765 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 766 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 767 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 768 Opts.AnalyzeNestedBlocks = 769 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 770 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 771 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 772 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 773 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 774 Opts.EnableExperimentalInternalChecks = 775 Args.hasArg(OPT_analyzer_experimental_internal_checks); 776 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 777 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 778 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 779 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 780} 781 782static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 783 Diagnostic &Diags) { 784 using namespace cc1options; 785 // -Os implies -O2 786 if (Args.hasArg(OPT_Os)) 787 Opts.OptimizationLevel = 2; 788 else { 789 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 790 if (Opts.OptimizationLevel > 3) { 791 Diags.Report(diag::err_drv_invalid_value) 792 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 793 Opts.OptimizationLevel = 3; 794 } 795 } 796 797 // We must always run at least the always inlining pass. 798 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 799 : CodeGenOptions::OnlyAlwaysInlining; 800 801 Opts.DebugInfo = Args.hasArg(OPT_g); 802 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 803 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 804 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 805 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 806 Opts.NoCommon = Args.hasArg(OPT_fno_common); 807 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 808 Opts.OptimizeSize = Args.hasArg(OPT_Os); 809 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 810 811 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 812 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 813 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 814 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 815 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 816 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 817 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 818 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 819 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 820 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 821 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 822 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 823 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 824 825 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 826 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 827 828 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 829 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 830 831 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 832 llvm::StringRef Name = A->getValue(Args); 833 unsigned Method = llvm::StringSwitch<unsigned>(Name) 834 .Case("legacy", CodeGenOptions::Legacy) 835 .Case("non-legacy", CodeGenOptions::NonLegacy) 836 .Case("mixed", CodeGenOptions::Mixed) 837 .Default(~0U); 838 if (Method == ~0U) 839 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 840 else 841 Opts.ObjCDispatchMethod = Method; 842 } 843} 844 845static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 846 ArgList &Args) { 847 using namespace cc1options; 848 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 849 Opts.Targets = Args.getAllArgValues(OPT_MT); 850 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 851 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 852} 853 854static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 855 Diagnostic &Diags) { 856 using namespace cc1options; 857 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 858 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 859 Opts.Pedantic = Args.hasArg(OPT_pedantic); 860 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 861 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 862 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 863 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 864 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 865 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 866 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 867 868 llvm::StringRef ShowCategory = 869 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 870 if (ShowCategory == "none") 871 Opts.ShowCategories = 0; 872 else if (ShowCategory == "id") 873 Opts.ShowCategories = 1; 874 else if (ShowCategory == "name") 875 Opts.ShowCategories = 2; 876 else 877 Diags.Report(diag::err_drv_invalid_value) 878 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 879 << ShowCategory; 880 881 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 882 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 883 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 884 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 885 Opts.MacroBacktraceLimit 886 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 887 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 888 Opts.TemplateBacktraceLimit 889 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 890 DiagnosticOptions::DefaultTemplateBacktraceLimit, 891 Diags); 892 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 893 DiagnosticOptions::DefaultTabStop, Diags); 894 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 895 Diags.Report(diag::warn_ignoring_ftabstop_value) 896 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 897 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 898 } 899 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 900 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 901 Opts.Warnings = Args.getAllArgValues(OPT_W); 902} 903 904static FrontendOptions::InputKind 905ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 906 using namespace cc1options; 907 Opts.ProgramAction = frontend::ParseSyntaxOnly; 908 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 909 switch (A->getOption().getID()) { 910 default: 911 assert(0 && "Invalid option in group!"); 912 case OPT_ast_dump: 913 Opts.ProgramAction = frontend::ASTDump; break; 914 case OPT_ast_print: 915 Opts.ProgramAction = frontend::ASTPrint; break; 916 case OPT_ast_print_xml: 917 Opts.ProgramAction = frontend::ASTPrintXML; break; 918 case OPT_ast_view: 919 Opts.ProgramAction = frontend::ASTView; break; 920 case OPT_boostcon: 921 Opts.ProgramAction = frontend::BoostCon; break; 922 case OPT_dump_raw_tokens: 923 Opts.ProgramAction = frontend::DumpRawTokens; break; 924 case OPT_dump_tokens: 925 Opts.ProgramAction = frontend::DumpTokens; break; 926 case OPT_S: 927 Opts.ProgramAction = frontend::EmitAssembly; break; 928 case OPT_emit_llvm_bc: 929 Opts.ProgramAction = frontend::EmitBC; break; 930 case OPT_emit_html: 931 Opts.ProgramAction = frontend::EmitHTML; break; 932 case OPT_emit_llvm: 933 Opts.ProgramAction = frontend::EmitLLVM; break; 934 case OPT_emit_llvm_only: 935 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 936 case OPT_emit_codegen_only: 937 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 938 case OPT_emit_obj: 939 Opts.ProgramAction = frontend::EmitObj; break; 940 case OPT_fixit_EQ: 941 Opts.FixItSuffix = A->getValue(Args); 942 // fall-through! 943 case OPT_fixit: 944 Opts.ProgramAction = frontend::FixIt; break; 945 case OPT_emit_pch: 946 Opts.ProgramAction = frontend::GeneratePCH; break; 947 case OPT_emit_pth: 948 Opts.ProgramAction = frontend::GeneratePTH; break; 949 case OPT_init_only: 950 Opts.ProgramAction = frontend::InitOnly; break; 951 case OPT_parse_noop: 952 Opts.ProgramAction = frontend::ParseNoop; break; 953 case OPT_parse_print_callbacks: 954 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 955 case OPT_fsyntax_only: 956 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 957 case OPT_print_decl_contexts: 958 Opts.ProgramAction = frontend::PrintDeclContext; break; 959 case OPT_E: 960 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 961 case OPT_rewrite_macros: 962 Opts.ProgramAction = frontend::RewriteMacros; break; 963 case OPT_rewrite_objc: 964 Opts.ProgramAction = frontend::RewriteObjC; break; 965 case OPT_rewrite_test: 966 Opts.ProgramAction = frontend::RewriteTest; break; 967 case OPT_analyze: 968 Opts.ProgramAction = frontend::RunAnalysis; break; 969 case OPT_Eonly: 970 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 971 } 972 } 973 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 974 Opts.ProgramAction = frontend::PluginAction; 975 Opts.ActionName = A->getValue(Args); 976 } 977 978 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 979 Opts.CodeCompletionAt = 980 ParsedSourceLocation::FromString(A->getValue(Args)); 981 if (Opts.CodeCompletionAt.FileName.empty()) 982 Diags.Report(diag::err_drv_invalid_value) 983 << A->getAsString(Args) << A->getValue(Args); 984 } 985 Opts.DebugCodeCompletionPrinter = 986 !Args.hasArg(OPT_no_code_completion_debug_printer); 987 Opts.DisableFree = Args.hasArg(OPT_disable_free); 988 989 Opts.OutputFile = Args.getLastArgValue(OPT_o); 990 Opts.Plugins = Args.getAllArgValues(OPT_load); 991 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 992 Opts.ShowHelp = Args.hasArg(OPT_help); 993 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 994 Opts.ShowCodePatternsInCodeCompletion 995 = Args.hasArg(OPT_code_completion_patterns); 996 Opts.ShowStats = Args.hasArg(OPT_print_stats); 997 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 998 Opts.ShowVersion = Args.hasArg(OPT_version); 999 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1000 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1001 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1002 1003 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 1004 if (const Arg *A = Args.getLastArg(OPT_x)) { 1005 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 1006 .Case("c", FrontendOptions::IK_C) 1007 .Case("cl", FrontendOptions::IK_OpenCL) 1008 .Case("c", FrontendOptions::IK_C) 1009 .Case("cl", FrontendOptions::IK_OpenCL) 1010 .Case("c++", FrontendOptions::IK_CXX) 1011 .Case("objective-c", FrontendOptions::IK_ObjC) 1012 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 1013 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 1014 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 1015 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 1016 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 1017 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 1018 .Case("c-header", FrontendOptions::IK_C) 1019 .Case("objective-c-header", FrontendOptions::IK_ObjC) 1020 .Case("c++-header", FrontendOptions::IK_CXX) 1021 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 1022 .Case("ast", FrontendOptions::IK_AST) 1023 .Default(FrontendOptions::IK_None); 1024 if (DashX == FrontendOptions::IK_None) 1025 Diags.Report(diag::err_drv_invalid_value) 1026 << A->getAsString(Args) << A->getValue(Args); 1027 } 1028 1029 // '-' is the default input if none is given. 1030 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1031 Opts.Inputs.clear(); 1032 if (Inputs.empty()) 1033 Inputs.push_back("-"); 1034 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1035 FrontendOptions::InputKind IK = DashX; 1036 if (IK == FrontendOptions::IK_None) { 1037 IK = FrontendOptions::getInputKindForExtension( 1038 llvm::StringRef(Inputs[i]).rsplit('.').second); 1039 // FIXME: Remove this hack. 1040 if (i == 0) 1041 DashX = IK; 1042 } 1043 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1044 } 1045 1046 return DashX; 1047} 1048 1049std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1050 void *MainAddr) { 1051 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1052 1053 if (!P.isEmpty()) { 1054 P.eraseComponent(); // Remove /clang from foo/bin/clang 1055 P.eraseComponent(); // Remove /bin from foo/bin 1056 1057 // Get foo/lib/clang/<version>/include 1058 P.appendComponent("lib"); 1059 P.appendComponent("clang"); 1060 P.appendComponent(CLANG_VERSION_STRING); 1061 } 1062 1063 return P.str(); 1064} 1065 1066static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1067 using namespace cc1options; 1068 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1069 Opts.Verbose = Args.hasArg(OPT_v); 1070 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1071 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1072 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1073 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1074 1075 // Add -I... and -F... options in order. 1076 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1077 ie = Args.filtered_end(); it != ie; ++it) 1078 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 1079 /*IsFramework=*/ it->getOption().matches(OPT_F)); 1080 1081 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1082 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1083 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1084 OPT_iwithprefixbefore), 1085 ie = Args.filtered_end(); it != ie; ++it) { 1086 if (it->getOption().matches(OPT_iprefix)) 1087 Prefix = it->getValue(Args); 1088 else if (it->getOption().matches(OPT_iwithprefix)) 1089 Opts.AddPath(Prefix.str() + it->getValue(Args), 1090 frontend::System, false, false); 1091 else 1092 Opts.AddPath(Prefix.str() + it->getValue(Args), 1093 frontend::Angled, false, false); 1094 } 1095 1096 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1097 ie = Args.filtered_end(); it != ie; ++it) 1098 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 1099 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1100 ie = Args.filtered_end(); it != ie; ++it) 1101 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 1102 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1103 ie = Args.filtered_end(); it != ie; ++it) 1104 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1105 1106 // FIXME: Need options for the various environment variables! 1107} 1108 1109static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1110 FrontendOptions::InputKind IK, 1111 Diagnostic &Diags) { 1112 // FIXME: Cleanup per-file based stuff. 1113 1114 // Set some properties which depend soley on the input kind; it would be nice 1115 // to move these to the language standard, and have the driver resolve the 1116 // input kind + language standard. 1117 if (IK == FrontendOptions::IK_Asm) { 1118 Opts.AsmPreprocessor = 1; 1119 } else if (IK == FrontendOptions::IK_ObjC || 1120 IK == FrontendOptions::IK_ObjCXX || 1121 IK == FrontendOptions::IK_PreprocessedObjC || 1122 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1123 Opts.ObjC1 = Opts.ObjC2 = 1; 1124 } 1125 1126 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1127 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1128 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1129#define LANGSTANDARD(id, name, desc, features) \ 1130 .Case(name, LangStandard::lang_##id) 1131#include "clang/Frontend/LangStandards.def" 1132 .Default(LangStandard::lang_unspecified); 1133 if (LangStd == LangStandard::lang_unspecified) 1134 Diags.Report(diag::err_drv_invalid_value) 1135 << A->getAsString(Args) << A->getValue(Args); 1136 } 1137 1138 if (LangStd == LangStandard::lang_unspecified) { 1139 // Based on the base language, pick one. 1140 switch (IK) { 1141 case FrontendOptions::IK_None: 1142 case FrontendOptions::IK_AST: 1143 assert(0 && "Invalid input kind!"); 1144 case FrontendOptions::IK_OpenCL: 1145 LangStd = LangStandard::lang_opencl; 1146 break; 1147 case FrontendOptions::IK_Asm: 1148 case FrontendOptions::IK_C: 1149 case FrontendOptions::IK_PreprocessedC: 1150 case FrontendOptions::IK_ObjC: 1151 case FrontendOptions::IK_PreprocessedObjC: 1152 LangStd = LangStandard::lang_gnu99; 1153 break; 1154 case FrontendOptions::IK_CXX: 1155 case FrontendOptions::IK_PreprocessedCXX: 1156 case FrontendOptions::IK_ObjCXX: 1157 case FrontendOptions::IK_PreprocessedObjCXX: 1158 LangStd = LangStandard::lang_gnucxx98; 1159 break; 1160 } 1161 } 1162 1163 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1164 Opts.BCPLComment = Std.hasBCPLComments(); 1165 Opts.C99 = Std.isC99(); 1166 Opts.CPlusPlus = Std.isCPlusPlus(); 1167 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1168 Opts.Digraphs = Std.hasDigraphs(); 1169 Opts.GNUMode = Std.isGNUMode(); 1170 Opts.GNUInline = !Std.isC99(); 1171 Opts.HexFloats = Std.hasHexFloats(); 1172 Opts.ImplicitInt = Std.hasImplicitInt(); 1173 1174 // OpenCL has some additional defaults. 1175 if (LangStd == LangStandard::lang_opencl) { 1176 Opts.OpenCL = 1; 1177 Opts.AltiVec = 1; 1178 Opts.CXXOperatorNames = 1; 1179 Opts.LaxVectorConversions = 1; 1180 } 1181 1182 // OpenCL and C++ both have bool, true, false keywords. 1183 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1184 1185 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1186 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1187 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1188 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1189 // name, as it doesn't seem a useful distinction. 1190 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1191 Opts.GNUMode); 1192 1193 if (Opts.CPlusPlus) 1194 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1195 1196 if (Args.hasArg(OPT_fobjc_gc_only)) 1197 Opts.setGCMode(LangOptions::GCOnly); 1198 else if (Args.hasArg(OPT_fobjc_gc)) 1199 Opts.setGCMode(LangOptions::HybridGC); 1200 1201 if (Args.hasArg(OPT_print_ivar_layout)) 1202 Opts.ObjCGCBitmapPrint = 1; 1203 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1204 Opts.NoConstantCFStrings = 1; 1205 1206 if (Args.hasArg(OPT_faltivec)) 1207 Opts.AltiVec = 1; 1208 1209 if (Args.hasArg(OPT_pthread)) 1210 Opts.POSIXThreads = 1; 1211 1212 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1213 if (Vis == "default") 1214 Opts.setVisibilityMode(LangOptions::Default); 1215 else if (Vis == "hidden") 1216 Opts.setVisibilityMode(LangOptions::Hidden); 1217 else if (Vis == "protected") 1218 Opts.setVisibilityMode(LangOptions::Protected); 1219 else 1220 Diags.Report(diag::err_drv_invalid_value) 1221 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1222 1223 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1224 1225 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1226 // is specified, or -std is set to a conforming mode. 1227 Opts.Trigraphs = !Opts.GNUMode; 1228 if (Args.hasArg(OPT_trigraphs)) 1229 Opts.Trigraphs = 1; 1230 1231 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1232 OPT_fno_dollars_in_identifiers, 1233 !Opts.AsmPreprocessor); 1234 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1235 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1236 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1237 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1238 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1239 Opts.LaxVectorConversions = 0; 1240 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1241 Opts.ThreadsafeStatics = 0; 1242 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1243 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1244 Opts.Blocks = Args.hasArg(OPT_fblocks); 1245 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1246 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1247 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1248 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1249 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1250 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1251 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1252 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1253 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1254 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1255 Diags); 1256 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1257 Opts.ObjCConstantStringClass = 1258 Args.getLastArgValue(OPT_fconstant_string_class); 1259 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1260 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1261 if (Opts.ObjCNonFragileABI2) 1262 Opts.ObjCNonFragileABI = true; 1263 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1264 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1265 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1266 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1267 Opts.Static = Args.hasArg(OPT_static_define); 1268 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1269 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1270 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1271 Opts.OptimizeSize = 0; 1272 1273 // FIXME: Eliminate this dependency. 1274 unsigned Opt = 1275 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1276 Opts.Optimize = Opt != 0; 1277 1278 // This is the __NO_INLINE__ define, which just depends on things like the 1279 // optimization level and -fno-inline, not actually whether the backend has 1280 // inlining enabled. 1281 // 1282 // FIXME: This is affected by other options (-fno-inline). 1283 Opts.NoInline = !Opt; 1284 1285 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1286 switch (SSP) { 1287 default: 1288 Diags.Report(diag::err_drv_invalid_value) 1289 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1290 break; 1291 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1292 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1293 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1294 } 1295} 1296 1297static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1298 Diagnostic &Diags) { 1299 using namespace cc1options; 1300 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1301 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1302 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1303 Opts.TokenCache = A->getValue(Args); 1304 else 1305 Opts.TokenCache = Opts.ImplicitPTHInclude; 1306 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1307 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1308 // Add macros from the command line. 1309 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1310 ie = Args.filtered_end(); it != ie; ++it) { 1311 if (it->getOption().matches(OPT_D)) 1312 Opts.addMacroDef(it->getValue(Args)); 1313 else 1314 Opts.addMacroUndef(it->getValue(Args)); 1315 } 1316 1317 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1318 1319 // Add the ordered list of -includes. 1320 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1321 OPT_include_pth), 1322 ie = Args.filtered_end(); it != ie; ++it) { 1323 // PCH is handled specially, we need to extra the original include path. 1324 if (it->getOption().matches(OPT_include_pch)) { 1325 std::string OriginalFile = 1326 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags); 1327 if (OriginalFile.empty()) 1328 continue; 1329 1330 Opts.Includes.push_back(OriginalFile); 1331 } else 1332 Opts.Includes.push_back(it->getValue(Args)); 1333 } 1334 1335 // Include 'altivec.h' if -faltivec option present 1336 if (Args.hasArg(OPT_faltivec)) 1337 Opts.Includes.push_back("altivec.h"); 1338 1339 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1340 ie = Args.filtered_end(); it != ie; ++it) { 1341 std::pair<llvm::StringRef,llvm::StringRef> Split = 1342 llvm::StringRef(it->getValue(Args)).split(';'); 1343 1344 if (Split.second.empty()) { 1345 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1346 continue; 1347 } 1348 1349 Opts.addRemappedFile(Split.first, Split.second); 1350 } 1351} 1352 1353static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1354 ArgList &Args) { 1355 using namespace cc1options; 1356 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1357 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1358 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1359 Opts.ShowComments = Args.hasArg(OPT_C); 1360 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1361} 1362 1363static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1364 using namespace cc1options; 1365 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1366 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1367 Opts.Triple = Args.getLastArgValue(OPT_triple); 1368 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1369 1370 // Use the host triple if unspecified. 1371 if (Opts.Triple.empty()) 1372 Opts.Triple = llvm::sys::getHostTriple(); 1373} 1374 1375// 1376 1377void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1378 const char **ArgBegin, 1379 const char **ArgEnd, 1380 Diagnostic &Diags) { 1381 // Parse the arguments. 1382 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1383 unsigned MissingArgIndex, MissingArgCount; 1384 llvm::OwningPtr<InputArgList> Args( 1385 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1386 1387 // Check for missing argument error. 1388 if (MissingArgCount) 1389 Diags.Report(diag::err_drv_missing_argument) 1390 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1391 1392 // Issue errors on unknown arguments. 1393 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1394 ie = Args->filtered_end(); it != ie; ++it) 1395 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1396 1397 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1398 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1399 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1400 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1401 FrontendOptions::InputKind DashX = 1402 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1403 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1404 if (DashX != FrontendOptions::IK_AST) 1405 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1406 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1407 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1408 ParseTargetArgs(Res.getTargetOpts(), *Args); 1409} 1410