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