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