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");
573 assert(E.Group == frontend::System && "Unexpected header search group");
574 if (E.ImplicitExternC)
575 Res.push_back("-internal-externc-isystem");
577 Res.push_back("-internal-isystem");
579 if (E.Group != frontend::Angled && E.Group != frontend::System)
580 llvm::report_fatal_error("Invalid option set!");
581 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" :
585 Res.push_back(E.Path);
588 if (!Opts.ResourceDir.empty()) {
589 Res.push_back("-resource-dir");
590 Res.push_back(Opts.ResourceDir);
592 if (!Opts.ModuleCachePath.empty()) {
593 Res.push_back("-fmodule-cache-path");
594 Res.push_back(Opts.ModuleCachePath);
596 if (!Opts.UseStandardSystemIncludes)
597 Res.push_back("-nostdsysteminc");
598 if (!Opts.UseStandardCXXIncludes)
599 Res.push_back("-nostdinc++");
601 Res.push_back("-stdlib=libc++");
606 static void LangOptsToArgs(const LangOptions &Opts,
607 std::vector<std::string> &Res) {
608 LangOptions DefaultLangOpts;
610 // FIXME: Need to set -std to get all the implicit options.
612 // FIXME: We want to only pass options relative to the defaults, which
613 // requires constructing a target. :(
615 // It would be better to push the all target specific choices into the driver,
616 // so that everything below that was more uniform.
619 Res.push_back("-trigraphs");
620 // Implicit based on the input kind:
621 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL
622 // Implicit based on the input language standard:
623 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode
624 if (Opts.DollarIdents)
625 Res.push_back("-fdollars-in-identifiers");
626 if (Opts.GNUMode && !Opts.GNUKeywords)
627 Res.push_back("-fno-gnu-keywords");
628 if (!Opts.GNUMode && Opts.GNUKeywords)
629 Res.push_back("-fgnu-keywords");
630 if (Opts.MicrosoftExt)
631 Res.push_back("-fms-extensions");
632 if (Opts.MSCVersion != 0)
633 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion));
635 Res.push_back("-fborland-extensions");
636 if (!Opts.ObjCNonFragileABI)
637 Res.push_back("-fobjc-fragile-abi");
638 if (Opts.ObjCDefaultSynthProperties)
639 Res.push_back("-fobjc-default-synthesize-properties");
640 // NoInline is implicit.
641 if (!Opts.CXXOperatorNames)
642 Res.push_back("-fno-operator-names");
643 if (Opts.PascalStrings)
644 Res.push_back("-fpascal-strings");
645 if (Opts.CatchUndefined)
646 Res.push_back("-fcatch-undefined-behavior");
647 if (Opts.WritableStrings)
648 Res.push_back("-fwritable-strings");
649 if (Opts.ConstStrings)
650 Res.push_back("-fconst-strings");
651 if (!Opts.LaxVectorConversions)
652 Res.push_back("-fno-lax-vector-conversions");
654 Res.push_back("-faltivec");
656 Res.push_back("-fexceptions");
657 if (Opts.ObjCExceptions)
658 Res.push_back("-fobjc-exceptions");
659 if (Opts.CXXExceptions)
660 Res.push_back("-fcxx-exceptions");
661 if (Opts.SjLjExceptions)
662 Res.push_back("-fsjlj-exceptions");
663 if (Opts.TraditionalCPP)
664 Res.push_back("-traditional-cpp");
666 Res.push_back("-fno-rtti");
667 if (Opts.MSBitfields)
668 Res.push_back("-mms-bitfields");
669 if (!Opts.NeXTRuntime)
670 Res.push_back("-fgnu-runtime");
671 if (Opts.Freestanding)
672 Res.push_back("-ffreestanding");
674 Res.push_back("-fno-builtin");
675 if (!Opts.AssumeSaneOperatorNew)
676 Res.push_back("-fno-assume-sane-operator-new");
677 if (!Opts.ThreadsafeStatics)
678 Res.push_back("-fno-threadsafe-statics");
679 if (Opts.POSIXThreads)
680 Res.push_back("-pthread");
682 Res.push_back("-fblocks");
683 if (Opts.BlocksRuntimeOptional)
684 Res.push_back("-fblocks-runtime-optional");
685 if (Opts.EmitAllDecls)
686 Res.push_back("-femit-all-decls");
688 Res.push_back("-fmath-errno");
689 switch (Opts.getSignedOverflowBehavior()) {
690 case LangOptions::SOB_Undefined: break;
691 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break;
692 case LangOptions::SOB_Trapping:
693 Res.push_back("-ftrapv"); break;
694 if (!Opts.OverflowHandler.empty()) {
695 Res.push_back("-ftrapv-handler");
696 Res.push_back(Opts.OverflowHandler);
699 if (Opts.HeinousExtensions)
700 Res.push_back("-fheinous-gnu-extensions");
701 // Optimize is implicit.
702 // OptimizeSize is implicit.
704 Res.push_back("-static-define");
705 if (Opts.DumpRecordLayouts)
706 Res.push_back("-fdump-record-layouts");
707 if (Opts.DumpVTableLayouts)
708 Res.push_back("-fdump-vtable-layouts");
709 if (Opts.NoBitFieldTypeAlign)
710 Res.push_back("-fno-bitfield-type-alignment");
712 Res.push_back("-pic-level");
713 Res.push_back(llvm::utostr(Opts.PICLevel));
715 if (Opts.ObjCGCBitmapPrint)
716 Res.push_back("-print-ivar-layout");
717 if (Opts.NoConstantCFStrings)
718 Res.push_back("-fno-constant-cfstrings");
719 if (!Opts.AccessControl)
720 Res.push_back("-fno-access-control");
721 if (!Opts.CharIsSigned)
722 Res.push_back("-fno-signed-char");
724 Res.push_back("-fshort-wchar");
725 if (!Opts.ElideConstructors)
726 Res.push_back("-fno-elide-constructors");
727 if (Opts.getGC() != LangOptions::NonGC) {
728 if (Opts.getGC() == LangOptions::HybridGC) {
729 Res.push_back("-fobjc-gc");
731 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!");
732 Res.push_back("-fobjc-gc-only");
735 if (Opts.ObjCAutoRefCount)
736 Res.push_back("-fobjc-arc");
737 if (Opts.ObjCRuntimeHasWeak)
738 Res.push_back("-fobjc-runtime-has-weak");
739 if (!Opts.ObjCInferRelatedResultType)
740 Res.push_back("-fno-objc-infer-related-result-type");
743 Res.push_back("-fapple-kext");
745 if (Opts.getVisibilityMode() != DefaultVisibility) {
746 Res.push_back("-fvisibility");
747 if (Opts.getVisibilityMode() == HiddenVisibility) {
748 Res.push_back("hidden");
750 assert(Opts.getVisibilityMode() == ProtectedVisibility &&
751 "Invalid visibility!");
752 Res.push_back("protected");
755 if (Opts.InlineVisibilityHidden)
756 Res.push_back("-fvisibility-inlines-hidden");
758 if (Opts.getStackProtector() != 0) {
759 Res.push_back("-stack-protector");
760 Res.push_back(llvm::utostr(Opts.getStackProtector()));
762 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) {
763 Res.push_back("-ftemplate-depth");
764 Res.push_back(llvm::utostr(Opts.InstantiationDepth));
766 if (!Opts.ObjCConstantStringClass.empty()) {
767 Res.push_back("-fconstant-string-class");
768 Res.push_back(Opts.ObjCConstantStringClass);
770 if (Opts.FakeAddressSpaceMap)
771 Res.push_back("-ffake-address-space-map");
772 if (Opts.ParseUnknownAnytype)
773 Res.push_back("-funknown-anytype");
774 if (Opts.DebuggerSupport)
775 Res.push_back("-fdebugger-support");
776 if (Opts.DelayedTemplateParsing)
777 Res.push_back("-fdelayed-template-parsing");
779 Res.push_back("-fdeprecated-macro");
782 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts,
783 std::vector<std::string> &Res) {
784 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i)
785 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") +
786 Opts.Macros[i].first);
787 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) {
788 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes.
789 Res.push_back("-include");
790 Res.push_back(Opts.Includes[i]);
792 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) {
793 Res.push_back("-imacros");
794 Res.push_back(Opts.MacroIncludes[i]);
796 if (!Opts.UsePredefines)
797 Res.push_back("-undef");
798 if (Opts.DetailedRecord)
799 Res.push_back("-detailed-preprocessing-record");
800 if (!Opts.ImplicitPCHInclude.empty()) {
801 Res.push_back("-include-pch");
802 Res.push_back(Opts.ImplicitPCHInclude);
804 if (!Opts.ImplicitPTHInclude.empty()) {
805 Res.push_back("-include-pth");
806 Res.push_back(Opts.ImplicitPTHInclude);
808 if (!Opts.TokenCache.empty()) {
809 if (Opts.ImplicitPTHInclude.empty()) {
810 Res.push_back("-token-cache");
811 Res.push_back(Opts.TokenCache);
813 assert(Opts.ImplicitPTHInclude == Opts.TokenCache &&
814 "Unsupported option combination!");
816 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) {
817 Res.push_back("-chain-include");
818 Res.push_back(Opts.ChainedIncludes[i]);
820 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) {
821 Res.push_back("-remap-file");
822 Res.push_back(Opts.RemappedFiles[i].first + ";" +
823 Opts.RemappedFiles[i].second);
827 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts,
828 std::vector<std::string> &Res) {
829 if (!Opts.ShowCPP && !Opts.ShowMacros)
830 llvm::report_fatal_error("Invalid option combination!");
832 if (Opts.ShowCPP && Opts.ShowMacros)
833 Res.push_back("-dD");
834 else if (!Opts.ShowCPP && Opts.ShowMacros)
835 Res.push_back("-dM");
837 if (!Opts.ShowLineMarkers)
839 if (Opts.ShowComments)
841 if (Opts.ShowMacroComments)
842 Res.push_back("-CC");
845 static void TargetOptsToArgs(const TargetOptions &Opts,
846 std::vector<std::string> &Res) {
847 Res.push_back("-triple");
848 Res.push_back(Opts.Triple);
849 if (!Opts.CPU.empty()) {
850 Res.push_back("-target-cpu");
851 Res.push_back(Opts.CPU);
853 if (!Opts.ABI.empty()) {
854 Res.push_back("-target-abi");
855 Res.push_back(Opts.ABI);
857 if (!Opts.LinkerVersion.empty()) {
858 Res.push_back("-target-linker-version");
859 Res.push_back(Opts.LinkerVersion);
861 if (!Opts.CXXABI.empty()) {
862 Res.push_back("-cxx-abi");
863 Res.push_back(Opts.CXXABI);
865 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) {
866 Res.push_back("-target-feature");
867 Res.push_back(Opts.Features[i]);
871 void CompilerInvocation::toArgs(std::vector<std::string> &Res) {
872 AnalyzerOptsToArgs(getAnalyzerOpts(), Res);
873 CodeGenOptsToArgs(getCodeGenOpts(), Res);
874 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res);
875 DiagnosticOptsToArgs(getDiagnosticOpts(), Res);
876 FileSystemOptsToArgs(getFileSystemOpts(), Res);
877 FrontendOptsToArgs(getFrontendOpts(), Res);
878 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res);
879 LangOptsToArgs(getLangOpts(), Res);
880 PreprocessorOptsToArgs(getPreprocessorOpts(), Res);
881 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res);
882 TargetOptsToArgs(getTargetOpts(), Res);
885 //===----------------------------------------------------------------------===//
886 // Deserialization (to args)
887 //===----------------------------------------------------------------------===//
889 using namespace clang::driver;
890 using namespace clang::driver::cc1options;
894 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
895 DiagnosticsEngine &Diags) {
896 unsigned DefaultOpt = 0;
897 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable))
899 // -Os/-Oz implies -O2
900 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 :
901 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags);
904 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
905 DiagnosticsEngine &Diags) {
906 using namespace cc1options;
908 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
909 StringRef Name = A->getValue(Args);
910 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
911 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
912 .Case(CMDFLAG, NAME##Model)
913 #include "clang/Frontend/Analyses.def"
915 // FIXME: Error handling.
916 if (Value == NumStores)
917 Diags.Report(diag::err_drv_invalid_value)
918 << A->getAsString(Args) << Name;
920 Opts.AnalysisStoreOpt = Value;
923 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
924 StringRef Name = A->getValue(Args);
925 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
926 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
927 .Case(CMDFLAG, NAME##Model)
928 #include "clang/Frontend/Analyses.def"
929 .Default(NumConstraints);
930 // FIXME: Error handling.
931 if (Value == NumConstraints)
932 Diags.Report(diag::err_drv_invalid_value)
933 << A->getAsString(Args) << Name;
935 Opts.AnalysisConstraintsOpt = Value;
938 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
939 StringRef Name = A->getValue(Args);
940 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
941 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \
942 .Case(CMDFLAG, PD_##NAME)
943 #include "clang/Frontend/Analyses.def"
944 .Default(NUM_ANALYSIS_DIAG_CLIENTS);
945 // FIXME: Error handling.
946 if (Value == NUM_ANALYSIS_DIAG_CLIENTS)
947 Diags.Report(diag::err_drv_invalid_value)
948 << A->getAsString(Args) << Name;
950 Opts.AnalysisDiagOpt = Value;
953 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) {
954 StringRef Name = A->getValue(Args);
955 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name)
956 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \
958 #include "clang/Frontend/Analyses.def"
959 .Default(NumPurgeModes);
960 // FIXME: Error handling.
961 if (Value == NumPurgeModes)
962 Diags.Report(diag::err_drv_invalid_value)
963 << A->getAsString(Args) << Name;
965 Opts.AnalysisPurgeOpt = Value;
968 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help);
969 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz);
970 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph);
971 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers);
972 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress);
973 Opts.AnalyzeNestedBlocks =
974 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks);
975 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume);
976 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function);
977 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG);
978 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors);
979 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers);
980 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
981 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags);
982 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags);
983 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph);
984 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call);
986 Opts.CheckersControlList.clear();
987 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker,
988 OPT_analyzer_disable_checker),
989 ie = Args.filtered_end(); it != ie; ++it) {
992 bool enable = (A->getOption().getID() == OPT_analyzer_checker);
993 // We can have a list of comma separated checker names, e.g:
994 // '-analyzer-checker=cocoa,unix'
995 StringRef checkerList = A->getValue(Args);
996 SmallVector<StringRef, 4> checkers;
997 checkerList.split(checkers, ",");
998 for (unsigned i = 0, e = checkers.size(); i != e; ++i)
999 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable));
1003 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
1004 DiagnosticsEngine &Diags) {
1005 using namespace cc1options;
1007 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags);
1008 if (Opts.OptimizationLevel > 3) {
1009 Diags.Report(diag::err_drv_invalid_value)
1010 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel;
1011 Opts.OptimizationLevel = 3;
1014 // We must always run at least the always inlining pass.
1015 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
1016 : CodeGenOptions::OnlyAlwaysInlining;
1018 Opts.DebugInfo = Args.hasArg(OPT_g);
1019 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info);
1020 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
1021 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
1022 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables);
1023 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg(
1024 OPT_fuse_register_sized_bitfield_access);
1025 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing);
1026 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
1027 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants);
1028 Opts.NoCommon = Args.hasArg(OPT_fno_common);
1029 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
1030 Opts.OptimizeSize = Args.hasArg(OPT_Os);
1031 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize;
1032 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) ||
1033 Args.hasArg(OPT_ffreestanding));
1034 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) ||
1035 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize);
1037 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
1038 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions);
1039 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc);
1040 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate);
1041 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device);
1042 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit);
1043 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases);
1044 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
1045 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass);
1046 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
1047 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
1048 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables);
1049 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);
1050 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
1051 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)||
1052 Args.hasArg(OPT_cl_fast_relaxed_math);
1053 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
1054 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option);
1055 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags);
1056 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge);
1057 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
1058 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
1059 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
1060 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels);
1061 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm);
1062 Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
1063 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
1064 Args.hasArg(OPT_cl_fast_relaxed_math);
1065 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
1066 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
1068 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections);
1069 Opts.DataSections = Args.hasArg(OPT_fdata_sections);
1071 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
1072 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
1074 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
1075 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
1076 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data);
1077 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes);
1078 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file);
1080 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) {
1081 StringRef Name = A->getValue(Args);
1082 unsigned Method = llvm::StringSwitch<unsigned>(Name)
1083 .Case("legacy", CodeGenOptions::Legacy)
1084 .Case("non-legacy", CodeGenOptions::NonLegacy)
1085 .Case("mixed", CodeGenOptions::Mixed)
1088 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
1090 Opts.ObjCDispatchMethod = Method;
1094 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
1096 using namespace cc1options;
1097 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file);
1098 Opts.Targets = Args.getAllArgValues(OPT_MT);
1099 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
1100 Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
1101 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H);
1102 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file);
1103 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG);
1106 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
1107 DiagnosticsEngine &Diags) {
1108 using namespace cc1options;
1109 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file);
1110 Opts.IgnoreWarnings = Args.hasArg(OPT_w);
1111 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros);
1112 Opts.Pedantic = Args.hasArg(OPT_pedantic);
1113 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors);
1114 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics);
1115 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics);
1116 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column,
1117 OPT_fno_show_column,
1119 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info);
1120 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location);
1121 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name);
1122 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
1124 // Default behavior is to not to show note include stacks.
1125 Opts.ShowNoteIncludeStack = false;
1126 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack,
1127 OPT_fno_diagnostics_show_note_include_stack))
1128 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack))
1129 Opts.ShowNoteIncludeStack = true;
1131 StringRef ShowOverloads =
1132 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all");
1133 if (ShowOverloads == "best")
1134 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best;
1135 else if (ShowOverloads == "all")
1136 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All;
1138 Diags.Report(diag::err_drv_invalid_value)
1139 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args)
1142 StringRef ShowCategory =
1143 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none");
1144 if (ShowCategory == "none")
1145 Opts.ShowCategories = 0;
1146 else if (ShowCategory == "id")
1147 Opts.ShowCategories = 1;
1148 else if (ShowCategory == "name")
1149 Opts.ShowCategories = 2;
1151 Diags.Report(diag::err_drv_invalid_value)
1152 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args)
1156 Args.getLastArgValue(OPT_fdiagnostics_format, "clang");
1157 if (Format == "clang")
1158 Opts.Format = DiagnosticOptions::Clang;
1159 else if (Format == "msvc")
1160 Opts.Format = DiagnosticOptions::Msvc;
1161 else if (Format == "vi")
1162 Opts.Format = DiagnosticOptions::Vi;
1164 Diags.Report(diag::err_drv_invalid_value)
1165 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args)
1168 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
1169 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits);
1170 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
1171 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags);
1172 Opts.MacroBacktraceLimit
1173 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit,
1174 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags);
1175 Opts.TemplateBacktraceLimit
1176 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit,
1177 DiagnosticOptions::DefaultTemplateBacktraceLimit,
1179 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop,
1180 DiagnosticOptions::DefaultTabStop, Diags);
1181 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) {
1182 Diags.Report(diag::warn_ignoring_ftabstop_value)
1183 << Opts.TabStop << DiagnosticOptions::DefaultTabStop;
1184 Opts.TabStop = DiagnosticOptions::DefaultTabStop;
1186 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags);
1187 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information);
1188 Opts.Warnings = Args.getAllArgValues(OPT_W);
1191 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) {
1192 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory);
1195 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
1196 DiagnosticsEngine &Diags) {
1197 using namespace cc1options;
1198 Opts.ProgramAction = frontend::ParseSyntaxOnly;
1199 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) {
1200 switch (A->getOption().getID()) {
1202 llvm_unreachable("Invalid option in group!");
1204 Opts.ProgramAction = frontend::ASTDump; break;
1205 case OPT_ast_dump_xml:
1206 Opts.ProgramAction = frontend::ASTDumpXML; break;
1208 Opts.ProgramAction = frontend::ASTPrint; break;
1210 Opts.ProgramAction = frontend::ASTView; break;
1211 case OPT_dump_raw_tokens:
1212 Opts.ProgramAction = frontend::DumpRawTokens; break;
1213 case OPT_dump_tokens:
1214 Opts.ProgramAction = frontend::DumpTokens; break;
1216 Opts.ProgramAction = frontend::EmitAssembly; break;
1217 case OPT_emit_llvm_bc:
1218 Opts.ProgramAction = frontend::EmitBC; break;
1220 Opts.ProgramAction = frontend::EmitHTML; break;
1222 Opts.ProgramAction = frontend::EmitLLVM; break;
1223 case OPT_emit_llvm_only:
1224 Opts.ProgramAction = frontend::EmitLLVMOnly; break;
1225 case OPT_emit_codegen_only:
1226 Opts.ProgramAction = frontend::EmitCodeGenOnly; break;
1228 Opts.ProgramAction = frontend::EmitObj; break;
1230 Opts.FixItSuffix = A->getValue(Args);
1233 Opts.ProgramAction = frontend::FixIt; break;
1234 case OPT_emit_module:
1235 Opts.ProgramAction = frontend::GenerateModule; break;
1237 Opts.ProgramAction = frontend::GeneratePCH; break;
1239 Opts.ProgramAction = frontend::GeneratePTH; break;
1241 Opts.ProgramAction = frontend::InitOnly; break;
1242 case OPT_fsyntax_only:
1243 Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
1244 case OPT_print_decl_contexts:
1245 Opts.ProgramAction = frontend::PrintDeclContext; break;
1246 case OPT_print_preamble:
1247 Opts.ProgramAction = frontend::PrintPreamble; break;
1249 Opts.ProgramAction = frontend::PrintPreprocessedInput; break;
1250 case OPT_rewrite_macros:
1251 Opts.ProgramAction = frontend::RewriteMacros; break;
1252 case OPT_rewrite_objc:
1253 Opts.ProgramAction = frontend::RewriteObjC; break;
1254 case OPT_rewrite_test:
1255 Opts.ProgramAction = frontend::RewriteTest; break;
1257 Opts.ProgramAction = frontend::RunAnalysis; break;
1259 Opts.ProgramAction = frontend::RunPreprocessorOnly; break;
1263 if (const Arg* A = Args.getLastArg(OPT_plugin)) {
1264 Opts.Plugins.push_back(A->getValue(Args,0));
1265 Opts.ProgramAction = frontend::PluginAction;
1266 Opts.ActionName = A->getValue(Args);
1268 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
1269 end = Args.filtered_end(); it != end; ++it) {
1270 if ((*it)->getValue(Args, 0) == Opts.ActionName)
1271 Opts.PluginArgs.push_back((*it)->getValue(Args, 1));
1275 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin);
1276 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size());
1277 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
1278 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
1279 end = Args.filtered_end(); it != end; ++it) {
1280 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i])
1281 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1));
1285 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
1286 Opts.CodeCompletionAt =
1287 ParsedSourceLocation::FromString(A->getValue(Args));
1288 if (Opts.CodeCompletionAt.FileName.empty())
1289 Diags.Report(diag::err_drv_invalid_value)
1290 << A->getAsString(Args) << A->getValue(Args);
1292 Opts.DisableFree = Args.hasArg(OPT_disable_free);
1294 Opts.OutputFile = Args.getLastArgValue(OPT_o);
1295 Opts.Plugins = Args.getAllArgValues(OPT_load);
1296 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch);
1297 Opts.ShowHelp = Args.hasArg(OPT_help);
1298 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros);
1299 Opts.ShowCodePatternsInCodeCompletion
1300 = Args.hasArg(OPT_code_completion_patterns);
1301 Opts.ShowGlobalSymbolsInCodeCompletion
1302 = !Args.hasArg(OPT_no_code_completion_globals);
1303 Opts.ShowStats = Args.hasArg(OPT_print_stats);
1304 Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
1305 Opts.ShowVersion = Args.hasArg(OPT_version);
1306 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge);
1307 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
1308 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can);
1310 Opts.ARCMTAction = FrontendOptions::ARCMT_None;
1311 if (const Arg *A = Args.getLastArg(OPT_arcmt_check,
1313 OPT_arcmt_migrate)) {
1314 switch (A->getOption().getID()) {
1316 llvm_unreachable("missed a case");
1317 case OPT_arcmt_check:
1318 Opts.ARCMTAction = FrontendOptions::ARCMT_Check;
1320 case OPT_arcmt_modify:
1321 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify;
1323 case OPT_arcmt_migrate:
1324 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate;
1328 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory);
1329 Opts.ARCMTMigrateReportOut
1330 = Args.getLastArgValue(OPT_arcmt_migrate_report_output);
1331 Opts.ARCMTMigrateEmitARCErrors
1332 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors);
1334 InputKind DashX = IK_None;
1335 if (const Arg *A = Args.getLastArg(OPT_x)) {
1336 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args))
1338 .Case("cl", IK_OpenCL)
1339 .Case("cuda", IK_CUDA)
1340 .Case("c++", IK_CXX)
1341 .Case("objective-c", IK_ObjC)
1342 .Case("objective-c++", IK_ObjCXX)
1343 .Case("cpp-output", IK_PreprocessedC)
1344 .Case("assembler-with-cpp", IK_Asm)
1345 .Case("c++-cpp-output", IK_PreprocessedCXX)
1346 .Case("objective-c-cpp-output", IK_PreprocessedObjC)
1347 .Case("objc-cpp-output", IK_PreprocessedObjC)
1348 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX)
1349 .Case("objc++-cpp-output", IK_PreprocessedObjCXX)
1350 .Case("c-header", IK_C)
1351 .Case("cl-header", IK_OpenCL)
1352 .Case("objective-c-header", IK_ObjC)
1353 .Case("c++-header", IK_CXX)
1354 .Case("objective-c++-header", IK_ObjCXX)
1355 .Case("ast", IK_AST)
1356 .Case("ir", IK_LLVM_IR)
1358 if (DashX == IK_None)
1359 Diags.Report(diag::err_drv_invalid_value)
1360 << A->getAsString(Args) << A->getValue(Args);
1363 // '-' is the default input if none is given.
1364 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT);
1365 Opts.Inputs.clear();
1367 Inputs.push_back("-");
1368 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
1369 InputKind IK = DashX;
1370 if (IK == IK_None) {
1371 IK = FrontendOptions::getInputKindForExtension(
1372 StringRef(Inputs[i]).rsplit('.').second);
1373 // FIXME: Remove this hack.
1377 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i]));
1383 std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
1385 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr);
1388 P.eraseComponent(); // Remove /clang from foo/bin/clang
1389 P.eraseComponent(); // Remove /bin from foo/bin
1391 // Get foo/lib/clang/<version>/include
1392 P.appendComponent("lib");
1393 P.appendComponent("clang");
1394 P.appendComponent(CLANG_VERSION_STRING);
1400 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
1401 using namespace cc1options;
1402 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/");
1403 Opts.Verbose = Args.hasArg(OPT_v);
1404 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
1405 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc);
1406 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx);
1407 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ))
1408 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0);
1409 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir);
1410 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path);
1411 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash);
1413 // Add -I..., -F..., and -index-header-map options in order.
1414 bool IsIndexHeaderMap = false;
1415 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F,
1416 OPT_index_header_map),
1417 ie = Args.filtered_end(); it != ie; ++it) {
1418 if ((*it)->getOption().matches(OPT_index_header_map)) {
1419 // -index-header-map applies to the next -I or -F.
1420 IsIndexHeaderMap = true;
1424 frontend::IncludeDirGroup Group
1425 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled;
1427 Opts.AddPath((*it)->getValue(Args), Group, true,
1428 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false);
1429 IsIndexHeaderMap = false;
1432 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options.
1433 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
1434 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix,
1435 OPT_iwithprefixbefore),
1436 ie = Args.filtered_end(); it != ie; ++it) {
1438 if (A->getOption().matches(OPT_iprefix))
1439 Prefix = A->getValue(Args);
1440 else if (A->getOption().matches(OPT_iwithprefix))
1441 Opts.AddPath(Prefix.str() + A->getValue(Args),
1442 frontend::System, false, false, false);
1444 Opts.AddPath(Prefix.str() + A->getValue(Args),
1445 frontend::Angled, false, false, false);
1448 for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
1449 ie = Args.filtered_end(); it != ie; ++it)
1450 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false);
1451 for (arg_iterator it = Args.filtered_begin(OPT_iquote),
1452 ie = Args.filtered_end(); it != ie; ++it)
1453 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false);
1454 for (arg_iterator it = Args.filtered_begin(OPT_isystem,
1455 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it)
1456 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false,
1457 !(*it)->getOption().matches(OPT_iwithsysroot));
1459 // Add the paths for the various language specific isystem flags.
1460 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem),
1461 ie = Args.filtered_end(); it != ie; ++it)
1462 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true);
1463 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem),
1464 ie = Args.filtered_end(); it != ie; ++it)
1465 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true);
1466 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem),
1467 ie = Args.filtered_end(); it != ie; ++it)
1468 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true);
1469 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem),
1470 ie = Args.filtered_end(); it != ie; ++it)
1471 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false,
1474 // Add the internal paths from a driver that detects standard include paths.
1475 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem,
1476 OPT_internal_externc_isystem),
1477 E = Args.filtered_end();
1479 Opts.AddPath((*I)->getValue(Args), frontend::System,
1480 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true,
1481 (*I)->getOption().matches(OPT_internal_externc_isystem));
1484 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
1485 LangStandard::Kind LangStd) {
1486 // Set some properties which depend solely on the input kind; it would be nice
1487 // to move these to the language standard, and have the driver resolve the
1488 // input kind + language standard.
1490 Opts.AsmPreprocessor = 1;
1491 } else if (IK == IK_ObjC ||
1493 IK == IK_PreprocessedObjC ||
1494 IK == IK_PreprocessedObjCXX) {
1495 Opts.ObjC1 = Opts.ObjC2 = 1;
1498 if (LangStd == LangStandard::lang_unspecified) {
1499 // Based on the base language, pick one.
1504 llvm_unreachable("Invalid input kind!");
1506 LangStd = LangStandard::lang_opencl;
1509 LangStd = LangStandard::lang_cuda;
1513 case IK_PreprocessedC:
1515 case IK_PreprocessedObjC:
1516 LangStd = LangStandard::lang_gnu99;
1519 case IK_PreprocessedCXX:
1521 case IK_PreprocessedObjCXX:
1522 LangStd = LangStandard::lang_gnucxx98;
1527 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
1528 Opts.BCPLComment = Std.hasBCPLComments();
1529 Opts.C99 = Std.isC99();
1530 Opts.C1X = Std.isC1X();
1531 Opts.CPlusPlus = Std.isCPlusPlus();
1532 Opts.CPlusPlus0x = Std.isCPlusPlus0x();
1533 Opts.Digraphs = Std.hasDigraphs();
1534 Opts.GNUMode = Std.isGNUMode();
1535 Opts.GNUInline = !Std.isC99();
1536 Opts.HexFloats = Std.hasHexFloats();
1537 Opts.ImplicitInt = Std.hasImplicitInt();
1539 // OpenCL has some additional defaults.
1540 if (LangStd == LangStandard::lang_opencl) {
1543 Opts.CXXOperatorNames = 1;
1544 Opts.LaxVectorConversions = 0;
1545 Opts.DefaultFPContract = 1;
1548 if (LangStd == LangStandard::lang_cuda)
1551 // OpenCL and C++ both have bool, true, false keywords.
1552 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
1554 Opts.GNUKeywords = Opts.GNUMode;
1555 Opts.CXXOperatorNames = Opts.CPlusPlus;
1557 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs
1558 // is specified, or -std is set to a conforming mode.
1559 Opts.Trigraphs = !Opts.GNUMode;
1561 Opts.DollarIdents = !Opts.AsmPreprocessor;
1564 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
1565 DiagnosticsEngine &Diags) {
1566 // FIXME: Cleanup per-file based stuff.
1567 LangStandard::Kind LangStd = LangStandard::lang_unspecified;
1568 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) {
1569 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args))
1570 #define LANGSTANDARD(id, name, desc, features) \
1571 .Case(name, LangStandard::lang_##id)
1572 #include "clang/Frontend/LangStandards.def"
1573 .Default(LangStandard::lang_unspecified);
1574 if (LangStd == LangStandard::lang_unspecified)
1575 Diags.Report(diag::err_drv_invalid_value)
1576 << A->getAsString(Args) << A->getValue(Args);
1578 // Valid standard, check to make sure language and standard are compatable.
1579 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
1583 case IK_PreprocessedC:
1584 case IK_PreprocessedObjC:
1585 if (!(Std.isC89() || Std.isC99()))
1586 Diags.Report(diag::err_drv_argument_not_allowed_with)
1587 << A->getAsString(Args) << "C/ObjC";
1591 case IK_PreprocessedCXX:
1592 case IK_PreprocessedObjCXX:
1593 if (!Std.isCPlusPlus())
1594 Diags.Report(diag::err_drv_argument_not_allowed_with)
1595 << A->getAsString(Args) << "C++/ObjC++";
1599 Diags.Report(diag::err_drv_argument_not_allowed_with)
1600 << A->getAsString(Args) << "OpenCL";
1603 if (!Std.isCPlusPlus())
1604 Diags.Report(diag::err_drv_argument_not_allowed_with)
1605 << A->getAsString(Args) << "CUDA";
1613 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) {
1614 if (strcmp(A->getValue(Args), "CL1.1") != 0) {
1615 Diags.Report(diag::err_drv_invalid_value)
1616 << A->getAsString(Args) << A->getValue(Args);
1620 CompilerInvocation::setLangDefaults(Opts, IK, LangStd);
1622 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension
1623 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag,
1624 // while a subset (the non-C++ GNU keywords) is provided by GCC's
1625 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single
1626 // name, as it doesn't seem a useful distinction.
1627 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords,
1630 if (Args.hasArg(OPT_fno_operator_names))
1631 Opts.CXXOperatorNames = 0;
1634 if (Args.hasArg(OPT_fobjc_gc_only))
1635 Opts.setGC(LangOptions::GCOnly);
1636 else if (Args.hasArg(OPT_fobjc_gc))
1637 Opts.setGC(LangOptions::HybridGC);
1638 else if (Args.hasArg(OPT_fobjc_arc)) {
1639 Opts.ObjCAutoRefCount = 1;
1640 if (Args.hasArg(OPT_fobjc_fragile_abi))
1641 Diags.Report(diag::err_arc_nonfragile_abi);
1644 if (Args.hasArg(OPT_fobjc_runtime_has_weak))
1645 Opts.ObjCRuntimeHasWeak = 1;
1647 if (Args.hasArg(OPT_fno_objc_infer_related_result_type))
1648 Opts.ObjCInferRelatedResultType = 0;
1651 if (Args.hasArg(OPT_fgnu89_inline))
1654 if (Args.hasArg(OPT_fapple_kext)) {
1655 if (!Opts.CPlusPlus)
1656 Diags.Report(diag::warn_c_kext);
1661 if (Args.hasArg(OPT_print_ivar_layout))
1662 Opts.ObjCGCBitmapPrint = 1;
1663 if (Args.hasArg(OPT_fno_constant_cfstrings))
1664 Opts.NoConstantCFStrings = 1;
1666 if (Args.hasArg(OPT_faltivec))
1669 if (Args.hasArg(OPT_pthread))
1670 Opts.POSIXThreads = 1;
1672 if (Args.hasArg(OPT_fdelayed_template_parsing))
1673 Opts.DelayedTemplateParsing = 1;
1675 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default");
1676 if (Vis == "default")
1677 Opts.setVisibilityMode(DefaultVisibility);
1678 else if (Vis == "hidden")
1679 Opts.setVisibilityMode(HiddenVisibility);
1680 else if (Vis == "protected")
1681 Opts.setVisibilityMode(ProtectedVisibility);
1683 Diags.Report(diag::err_drv_invalid_value)
1684 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis;
1686 if (Args.hasArg(OPT_fvisibility_inlines_hidden))
1687 Opts.InlineVisibilityHidden = 1;
1689 if (Args.hasArg(OPT_ftrapv)) {
1690 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping);
1691 // Set the handler, if one is specified.
1692 Opts.OverflowHandler =
1693 Args.getLastArgValue(OPT_ftrapv_handler);
1695 else if (Args.hasArg(OPT_fwrapv))
1696 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined);
1698 if (Args.hasArg(OPT_trigraphs))
1701 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers,
1702 OPT_fno_dollars_in_identifiers,
1704 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
1705 Opts.MicrosoftExt = Args.hasArg(OPT_fms_extensions);
1706 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility);
1707 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags);
1708 Opts.Borland = Args.hasArg(OPT_fborland_extensions);
1709 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);
1710 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings,
1712 if (Args.hasArg(OPT_fno_lax_vector_conversions))
1713 Opts.LaxVectorConversions = 0;
1714 if (Args.hasArg(OPT_fno_threadsafe_statics))
1715 Opts.ThreadsafeStatics = 0;
1716 Opts.Exceptions = Args.hasArg(OPT_fexceptions);
1717 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions);
1718 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions);
1719 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
1720 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp);
1722 Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
1723 Opts.Blocks = Args.hasArg(OPT_fblocks);
1724 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional);
1725 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char);
1726 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
1727 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums);
1728 Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
1729 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
1730 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
1731 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
1732 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control);
1733 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);
1734 Opts.MathErrno = Args.hasArg(OPT_fmath_errno);
1735 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024,
1737 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing);
1738 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy,
1740 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields);
1741 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime);
1742 Opts.ObjCConstantStringClass =
1743 Args.getLastArgValue(OPT_fconstant_string_class);
1744 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi);
1745 if (Opts.ObjCNonFragileABI)
1746 Opts.ObjCNonFragileABI2 = true;
1747 Opts.ObjCDefaultSynthProperties =
1748 Args.hasArg(OPT_fobjc_default_synthesize_properties);
1749 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior);
1750 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
1751 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags);
1752 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags);
1753 Opts.Static = Args.hasArg(OPT_static_define);
1754 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts);
1755 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts);
1756 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking);
1757 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align);
1758 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant);
1759 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math);
1760 Opts.OptimizeSize = 0;
1761 Opts.MRTD = Args.hasArg(OPT_mrtd);
1762 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map);
1763 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype);
1764 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support);
1766 // Record whether the __DEPRECATED define was requested.
1767 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro,
1768 OPT_fno_deprecated_macro,
1771 // FIXME: Eliminate this dependency.
1772 unsigned Opt = getOptimizationLevel(Args, IK, Diags);
1773 Opts.Optimize = Opt != 0;
1775 // This is the __NO_INLINE__ define, which just depends on things like the
1776 // optimization level and -fno-inline, not actually whether the backend has
1777 // inlining enabled.
1779 // FIXME: This is affected by other options (-fno-inline).
1780 Opts.NoInline = !Opt;
1782 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags);
1785 Diags.Report(diag::err_drv_invalid_value)
1786 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP;
1788 case 0: Opts.setStackProtector(LangOptions::SSPOff); break;
1789 case 1: Opts.setStackProtector(LangOptions::SSPOn); break;
1790 case 2: Opts.setStackProtector(LangOptions::SSPReq); break;
1794 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
1795 FileManager &FileMgr,
1796 DiagnosticsEngine &Diags) {
1797 using namespace cc1options;
1798 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch);
1799 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth);
1800 if (const Arg *A = Args.getLastArg(OPT_token_cache))
1801 Opts.TokenCache = A->getValue(Args);
1803 Opts.TokenCache = Opts.ImplicitPTHInclude;
1804 Opts.UsePredefines = !Args.hasArg(OPT_undef);
1805 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
1806 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import);
1807 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch);
1809 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls);
1810 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl),
1811 ie = Args.filtered_end(); it != ie; ++it) {
1813 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args));
1816 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) {
1817 StringRef Value(A->getValue(Args));
1818 size_t Comma = Value.find(',');
1820 unsigned EndOfLine = 0;
1822 if (Comma == StringRef::npos ||
1823 Value.substr(0, Comma).getAsInteger(10, Bytes) ||
1824 Value.substr(Comma + 1).getAsInteger(10, EndOfLine))
1825 Diags.Report(diag::err_drv_preamble_format);
1827 Opts.PrecompiledPreambleBytes.first = Bytes;
1828 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0);
1832 // Add macros from the command line.
1833 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U),
1834 ie = Args.filtered_end(); it != ie; ++it) {
1835 if ((*it)->getOption().matches(OPT_D))
1836 Opts.addMacroDef((*it)->getValue(Args));
1838 Opts.addMacroUndef((*it)->getValue(Args));
1841 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros);
1843 // Add the ordered list of -includes.
1844 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch,
1846 ie = Args.filtered_end(); it != ie; ++it) {
1848 // PCH is handled specially, we need to extra the original include path.
1849 if (A->getOption().matches(OPT_include_pch)) {
1850 std::string OriginalFile =
1851 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags);
1852 if (OriginalFile.empty())
1855 Opts.Includes.push_back(OriginalFile);
1857 Opts.Includes.push_back(A->getValue(Args));
1860 for (arg_iterator it = Args.filtered_begin(OPT_chain_include),
1861 ie = Args.filtered_end(); it != ie; ++it) {
1863 Opts.ChainedIncludes.push_back(A->getValue(Args));
1866 // Include 'altivec.h' if -faltivec option present
1867 if (Args.hasArg(OPT_faltivec))
1868 Opts.Includes.push_back("altivec.h");
1870 for (arg_iterator it = Args.filtered_begin(OPT_remap_file),
1871 ie = Args.filtered_end(); it != ie; ++it) {
1873 std::pair<StringRef,StringRef> Split =
1874 StringRef(A->getValue(Args)).split(';');
1876 if (Split.second.empty()) {
1877 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args);
1881 Opts.addRemappedFile(Split.first, Split.second);
1884 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) {
1885 StringRef Name = A->getValue(Args);
1886 unsigned Library = llvm::StringSwitch<unsigned>(Name)
1887 .Case("libc++", ARCXX_libcxx)
1888 .Case("libstdc++", ARCXX_libstdcxx)
1889 .Case("none", ARCXX_nolib)
1892 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
1894 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library;
1898 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
1900 using namespace cc1options;
1901 Opts.ShowCPP = !Args.hasArg(OPT_dM);
1902 Opts.ShowComments = Args.hasArg(OPT_C);
1903 Opts.ShowLineMarkers = !Args.hasArg(OPT_P);
1904 Opts.ShowMacroComments = Args.hasArg(OPT_CC);
1905 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
1908 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) {
1909 using namespace cc1options;
1910 Opts.ABI = Args.getLastArgValue(OPT_target_abi);
1911 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi);
1912 Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
1913 Opts.Features = Args.getAllArgValues(OPT_target_feature);
1914 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version);
1915 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
1917 // Use the host triple if unspecified.
1918 if (Opts.Triple.empty())
1919 Opts.Triple = llvm::sys::getHostTriple();
1924 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
1925 const char *const *ArgBegin,
1926 const char *const *ArgEnd,
1927 DiagnosticsEngine &Diags) {
1928 // Parse the arguments.
1929 llvm::OwningPtr<OptTable> Opts(createCC1OptTable());
1930 unsigned MissingArgIndex, MissingArgCount;
1931 llvm::OwningPtr<InputArgList> Args(
1932 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount));
1934 // Check for missing argument error.
1935 if (MissingArgCount)
1936 Diags.Report(diag::err_drv_missing_argument)
1937 << Args->getArgString(MissingArgIndex) << MissingArgCount;
1939 // Issue errors on unknown arguments.
1940 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN),
1941 ie = Args->filtered_end(); it != ie; ++it)
1942 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args);
1944 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags);
1945 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
1946 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags);
1947 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args);
1948 // FIXME: We shouldn't have to pass the DashX option around here
1949 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
1950 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags);
1951 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
1952 if (DashX != IK_AST && DashX != IK_LLVM_IR) {
1953 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags);
1954 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC)
1955 Res.getLangOpts().ObjCExceptions = 1;
1957 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of
1958 // PCH file and find the original header name. Remove the need to do that in
1959 // ParsePreprocessorArgs and remove the FileManager
1960 // parameters from the function and the "FileManager.h" #include.
1961 FileManager FileMgr(Res.getFileSystemOpts());
1962 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags);
1963 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args);
1964 ParseTargetArgs(Res.getTargetOpts(), *Args);
1969 class ModuleSignature {
1970 llvm::SmallVector<uint64_t, 16> Data;
1975 ModuleSignature() : CurBit(0), CurValue(0) { }
1977 void add(uint64_t Value, unsigned Bits);
1978 void add(StringRef Value);
1981 llvm::APInt getAsInteger() const;
1985 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) {
1986 CurValue |= Value << CurBit;
1987 if (CurBit + NumBits < 64) {
1992 // Add the current word.
1993 Data.push_back(CurValue);
1996 CurValue = Value >> (64-CurBit);
1999 CurBit = (CurBit+NumBits) & 63;
2002 void ModuleSignature::flush() {
2006 Data.push_back(CurValue);
2011 void ModuleSignature::add(StringRef Value) {
2012 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I)
2016 llvm::APInt ModuleSignature::getAsInteger() const {
2017 return llvm::APInt(Data.size() * 64, Data);
2020 std::string CompilerInvocation::getModuleHash() const {
2021 ModuleSignature Signature;
2023 // Start the signature with the compiler version.
2024 Signature.add(getClangFullRepositoryVersion());
2026 // Extend the signature with the language options
2027 #define LANGOPT(Name, Bits, Default, Description) \
2028 Signature.add(LangOpts.Name, Bits);
2029 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
2030 Signature.add(static_cast<unsigned>(LangOpts.get##Name()), Bits);
2031 #define BENIGN_LANGOPT(Name, Bits, Default, Description)
2032 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
2033 #include "clang/Basic/LangOptions.def"
2035 // Extend the signature with the target triple
2036 llvm::Triple T(TargetOpts.Triple);
2037 Signature.add((unsigned)T.getArch(), 5);
2038 Signature.add((unsigned)T.getVendor(), 4);
2039 Signature.add((unsigned)T.getOS(), 5);
2040 Signature.add((unsigned)T.getEnvironment(), 4);
2042 // Extend the signature with preprocessor options.
2043 Signature.add(getPreprocessorOpts().UsePredefines, 1);
2044 Signature.add(getPreprocessorOpts().DetailedRecord, 1);
2046 // Hash the preprocessor defines.
2047 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines.
2048 std::vector<StringRef> MacroDefs;
2049 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator
2050 I = getPreprocessorOpts().Macros.begin(),
2051 IEnd = getPreprocessorOpts().Macros.end();
2054 MacroDefs.push_back(I->first);
2056 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end());
2058 unsigned PPHashResult = 0;
2059 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I)
2060 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult);
2061 Signature.add(PPHashResult, 32);
2063 // We've generated the signature. Treat it as one large APInt that we'll
2064 // encode in base-36 and return.
2066 return Signature.getAsInteger().toString(36, /*Signed=*/false);