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/Driver/Arg.h"
14 #include "clang/Driver/ArgList.h"
15 #include "clang/Driver/CC1Options.h"
16 #include "clang/Driver/DriverDiagnostic.h"
17 #include "clang/Driver/OptTable.h"
18 #include "clang/Driver/Option.h"
19 #include "clang/Frontend/CompilerInvocation.h"
20 #include "clang/Frontend/LangStandard.h"
21 #include "clang/Frontend/PCHReader.h"
22 #include "llvm/ADT/OwningPtr.h"
23 #include "llvm/ADT/SmallVector.h"
24 #include "llvm/ADT/StringExtras.h"
25 #include "llvm/ADT/StringSwitch.h"
26 #include "llvm/Support/ErrorHandling.h"
27 #include "llvm/System/Host.h"
28 #include "llvm/System/Path.h"
29 using namespace clang;
31 static const char *getAnalysisName(Analyses Kind) {
34 llvm_unreachable("Unknown analysis kind!");
35 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\
36 case NAME: return "-" CMDFLAG;
37 #include "clang/Frontend/Analyses.def"
41 static const char *getAnalysisStoreName(AnalysisStores Kind) {
44 llvm_unreachable("Unknown analysis store!");
45 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
46 case NAME##Model: return CMDFLAG;
47 #include "clang/Frontend/Analyses.def"
51 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) {
54 llvm_unreachable("Unknown analysis constraints!");
55 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
56 case NAME##Model: return CMDFLAG;
57 #include "clang/Frontend/Analyses.def"
61 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) {
64 llvm_unreachable("Unknown analysis client!");
65 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \
66 case PD_##NAME: return CMDFLAG;
67 #include "clang/Frontend/Analyses.def"
71 //===----------------------------------------------------------------------===//
72 // Serialization (to args)
73 //===----------------------------------------------------------------------===//
75 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts,
76 std::vector<std::string> &Res) {
77 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i)
78 Res.push_back(getAnalysisName(Opts.AnalysisList[i]));
79 if (Opts.AnalysisStoreOpt != BasicStoreModel) {
80 Res.push_back("-analyzer-store");
81 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt));
83 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) {
84 Res.push_back("-analyzer-constraints");
85 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt));
87 if (Opts.AnalysisDiagOpt != PD_HTML) {
88 Res.push_back("-analyzer-output");
89 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt));
91 if (!Opts.AnalyzeSpecificFunction.empty()) {
92 Res.push_back("-analyze-function");
93 Res.push_back(Opts.AnalyzeSpecificFunction);
96 Res.push_back("-analyzer-opt-analyze-headers");
97 if (Opts.AnalyzerDisplayProgress)
98 Res.push_back("-analyzer-display-progress");
99 if (Opts.AnalyzeNestedBlocks)
100 Res.push_back("-analyzer-opt-analyze-nested-blocks");
101 if (Opts.EagerlyAssume)
102 Res.push_back("-analyzer-eagerly-assume");
104 Res.push_back("-analyzer-no-purge-dead");
106 Res.push_back("-trim-egraph");
107 if (Opts.VisualizeEGDot)
108 Res.push_back("-analyzer-viz-egraph-graphviz");
109 if (Opts.VisualizeEGDot)
110 Res.push_back("-analyzer-viz-egraph-ubigraph");
111 if (Opts.EnableExperimentalChecks)
112 Res.push_back("-analyzer-experimental-checks");
113 if (Opts.EnableExperimentalInternalChecks)
114 Res.push_back("-analyzer-experimental-internal-checks");
117 static void CodeGenOptsToArgs(const CodeGenOptions &Opts,
118 std::vector<std::string> &Res) {
121 if (Opts.DisableLLVMOpts)
122 Res.push_back("-disable-llvm-optzns");
123 if (Opts.DisableRedZone)
124 Res.push_back("-disable-red-zone");
125 if (!Opts.DwarfDebugFlags.empty()) {
126 Res.push_back("-dwarf-debug-flags");
127 Res.push_back(Opts.DwarfDebugFlags);
129 if (!Opts.MergeAllConstants)
130 Res.push_back("-fno-merge-all-constants");
132 Res.push_back("-fno-common");
133 if (Opts.NoImplicitFloat)
134 Res.push_back("-no-implicit-float");
135 if (Opts.OptimizeSize) {
136 assert(Opts.OptimizationLevel == 2 && "Invalid options!");
137 Res.push_back("-Os");
138 } else if (Opts.OptimizationLevel != 0)
139 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel));
140 if (!Opts.MainFileName.empty()) {
141 Res.push_back("-main-file-name");
142 Res.push_back(Opts.MainFileName);
144 // SimplifyLibCalls is only derived.
145 // TimePasses is only derived.
146 // UnitAtATime is unused.
147 // UnrollLoops is only derived.
148 // VerifyModule is only derived.
149 // Inlining is only derived.
152 Res.push_back("-masm-verbose");
153 if (!Opts.CodeModel.empty()) {
154 Res.push_back("-mcode-model");
155 Res.push_back(Opts.CodeModel);
157 if (!Opts.DebugPass.empty()) {
158 Res.push_back("-mdebug-pass");
159 Res.push_back(Opts.DebugPass);
161 if (Opts.DisableFPElim)
162 Res.push_back("-mdisable-fp-elim");
163 if (!Opts.FloatABI.empty()) {
164 Res.push_back("-mfloat-abi");
165 Res.push_back(Opts.FloatABI);
167 if (!Opts.LimitFloatPrecision.empty()) {
168 Res.push_back("-mlimit-float-precision");
169 Res.push_back(Opts.LimitFloatPrecision);
171 if (Opts.NoZeroInitializedInBSS)
172 Res.push_back("-mno-zero-initialized-bss");
173 if (Opts.ObjCLegacyDispatch)
174 Res.push_back("-fobjc-legacy-dispatch");
176 Res.push_back("-msoft-float");
177 if (Opts.UnwindTables)
178 Res.push_back("-munwind-tables");
179 if (Opts.RelocationModel != "pic") {
180 Res.push_back("-mrelocation-model");
181 Res.push_back(Opts.RelocationModel);
183 if (!Opts.VerifyModule)
184 Res.push_back("-disable-llvm-verifier");
187 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts,
188 std::vector<std::string> &Res) {
189 if (Opts.IncludeSystemHeaders)
190 Res.push_back("-sys-header-deps");
191 if (Opts.UsePhonyTargets)
192 Res.push_back("-MP");
193 if (!Opts.OutputFile.empty()) {
194 Res.push_back("-dependency-file");
195 Res.push_back(Opts.OutputFile);
197 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) {
198 Res.push_back("-MT");
199 Res.push_back(Opts.Targets[i]);
203 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts,
204 std::vector<std::string> &Res) {
205 if (Opts.IgnoreWarnings)
207 if (Opts.NoRewriteMacros)
208 Res.push_back("-Wno-rewrite-macros");
210 Res.push_back("-pedantic");
211 if (Opts.PedanticErrors)
212 Res.push_back("-pedantic-errors");
213 if (!Opts.ShowColumn)
214 Res.push_back("-fno-show-column");
215 if (!Opts.ShowLocation)
216 Res.push_back("-fno-show-source-location");
217 if (!Opts.ShowCarets)
218 Res.push_back("-fno-caret-diagnostics");
219 if (!Opts.ShowFixits)
220 Res.push_back("-fno-diagnostics-fixit-info");
221 if (Opts.ShowSourceRanges)
222 Res.push_back("-fdiagnostics-print-source-range-info");
224 Res.push_back("-fcolor-diagnostics");
225 if (Opts.VerifyDiagnostics)
226 Res.push_back("-verify");
227 if (Opts.BinaryOutput)
228 Res.push_back("-fdiagnostics-binary");
229 if (Opts.ShowOptionNames)
230 Res.push_back("-fdiagnostics-show-option");
231 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) {
232 Res.push_back("-ftabstop");
233 Res.push_back(llvm::utostr(Opts.TabStop));
235 if (Opts.MessageLength) {
236 Res.push_back("-fmessage-length");
237 Res.push_back(llvm::utostr(Opts.MessageLength));
239 if (!Opts.DumpBuildInformation.empty()) {
240 Res.push_back("-dump-build-information");
241 Res.push_back(Opts.DumpBuildInformation);
243 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i)
244 Res.push_back("-W" + Opts.Warnings[i]);
247 static const char *getInputKindName(FrontendOptions::InputKind Kind) {
249 case FrontendOptions::IK_None: break;
250 case FrontendOptions::IK_AST: return "ast";
251 case FrontendOptions::IK_Asm: return "assembler-with-cpp";
252 case FrontendOptions::IK_C: return "c";
253 case FrontendOptions::IK_CXX: return "c++";
254 case FrontendOptions::IK_ObjC: return "objective-c";
255 case FrontendOptions::IK_ObjCXX: return "objective-c++";
256 case FrontendOptions::IK_OpenCL: return "cl";
257 case FrontendOptions::IK_PreprocessedC: return "cpp-output";
258 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output";
259 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output";
260 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output";
263 llvm_unreachable("Unexpected language kind!");
267 static const char *getActionName(frontend::ActionKind Kind) {
269 case frontend::PluginAction:
270 case frontend::InheritanceView:
271 llvm_unreachable("Invalid kind!");
273 case frontend::ASTDump: return "-ast-dump";
274 case frontend::ASTPrint: return "-ast-print";
275 case frontend::ASTPrintXML: return "-ast-print-xml";
276 case frontend::ASTView: return "-ast-view";
277 case frontend::DumpRawTokens: return "-dump-raw-tokens";
278 case frontend::DumpRecordLayouts: return "-dump-record-layouts";
279 case frontend::DumpTokens: return "-dump-tokens";
280 case frontend::EmitAssembly: return "-S";
281 case frontend::EmitBC: return "-emit-llvm-bc";
282 case frontend::EmitHTML: return "-emit-html";
283 case frontend::EmitLLVM: return "-emit-llvm";
284 case frontend::EmitLLVMOnly: return "-emit-llvm-only";
285 case frontend::EmitObj: return "-emit-obj";
286 case frontend::FixIt: return "-fixit";
287 case frontend::GeneratePCH: return "-emit-pch";
288 case frontend::GeneratePTH: return "-emit-pth";
289 case frontend::ParseNoop: return "-parse-noop";
290 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks";
291 case frontend::ParseSyntaxOnly: return "-fsyntax-only";
292 case frontend::PrintDeclContext: return "-print-decl-contexts";
293 case frontend::PrintPreprocessedInput: return "-E";
294 case frontend::RewriteMacros: return "-rewrite-macros";
295 case frontend::RewriteObjC: return "-rewrite-objc";
296 case frontend::RewriteTest: return "-rewrite-test";
297 case frontend::RunAnalysis: return "-analyze";
298 case frontend::RunPreprocessorOnly: return "-Eonly";
301 llvm_unreachable("Unexpected language kind!");
305 static void FrontendOptsToArgs(const FrontendOptions &Opts,
306 std::vector<std::string> &Res) {
307 if (!Opts.DebugCodeCompletionPrinter)
308 Res.push_back("-no-code-completion-debug-printer");
309 if (Opts.DisableFree)
310 Res.push_back("-disable-free");
311 if (Opts.EmptyInputOnly)
312 Res.push_back("-empty-input-only");
313 if (Opts.RelocatablePCH)
314 Res.push_back("-relocatable-pch");
316 Res.push_back("-help");
317 if (Opts.ShowMacrosInCodeCompletion)
318 Res.push_back("-code-completion-macros");
320 Res.push_back("-print-stats");
322 Res.push_back("-ftime-report");
323 if (Opts.ShowVersion)
324 Res.push_back("-version");
326 bool NeedLang = false;
327 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i)
328 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) !=
329 Opts.Inputs[i].first)
333 Res.push_back(getInputKindName(Opts.Inputs[0].first));
335 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) {
336 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) &&
337 "Unable to represent this input vector!");
338 Res.push_back(Opts.Inputs[i].second);
341 if (!Opts.OutputFile.empty()) {
343 Res.push_back(Opts.OutputFile);
345 if (!Opts.ViewClassInheritance.empty()) {
346 Res.push_back("-cxx-inheritance-view");
347 Res.push_back(Opts.ViewClassInheritance);
349 for (unsigned i = 0, e = Opts.FixItLocations.size(); i != e; ++i) {
350 Res.push_back("-fixit-at");
351 Res.push_back(Opts.FixItLocations[i].FileName + ":" +
352 llvm::utostr(Opts.FixItLocations[i].Line) + ":" +
353 llvm::utostr(Opts.FixItLocations[i].Column));
355 if (!Opts.CodeCompletionAt.FileName.empty()) {
356 Res.push_back("-code-completion-at");
357 Res.push_back(Opts.CodeCompletionAt.FileName + ":" +
358 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" +
359 llvm::utostr(Opts.CodeCompletionAt.Column));
361 if (Opts.ProgramAction != frontend::InheritanceView &&
362 Opts.ProgramAction != frontend::PluginAction)
363 Res.push_back(getActionName(Opts.ProgramAction));
364 if (!Opts.ActionName.empty()) {
365 Res.push_back("-plugin");
366 Res.push_back(Opts.ActionName);
368 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) {
369 Res.push_back("-load");
370 Res.push_back(Opts.Plugins[i]);
372 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) {
373 Res.push_back("-ast-merge");
374 Res.push_back(Opts.ASTMergeFiles[i]);
378 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts,
379 std::vector<std::string> &Res) {
380 if (Opts.Sysroot != "/") {
381 Res.push_back("-isysroot");
382 Res.push_back(Opts.Sysroot);
385 /// User specified include entries.
386 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) {
387 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i];
388 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied))
389 llvm::llvm_report_error("Invalid option set!");
390 if (E.IsUserSupplied) {
391 if (E.Group == frontend::After) {
392 Res.push_back("-idirafter");
393 } else if (E.Group == frontend::Quoted) {
394 Res.push_back("-iquote");
395 } else if (E.Group == frontend::System) {
396 Res.push_back("-isystem");
398 assert(E.Group == frontend::Angled && "Invalid group!");
399 Res.push_back(E.IsFramework ? "-F" : "-I");
402 if (E.Group != frontend::Angled && E.Group != frontend::System)
403 llvm::llvm_report_error("Invalid option set!");
404 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" :
407 Res.push_back(E.Path);
410 if (!Opts.EnvIncPath.empty()) {
411 // FIXME: Provide an option for this, and move env detection to driver.
412 llvm::llvm_report_error("Not yet implemented!");
414 if (!Opts.CEnvIncPath.empty()) {
415 // FIXME: Provide an option for this, and move env detection to driver.
416 llvm::llvm_report_error("Not yet implemented!");
418 if (!Opts.ObjCEnvIncPath.empty()) {
419 // FIXME: Provide an option for this, and move env detection to driver.
420 llvm::llvm_report_error("Not yet implemented!");
422 if (!Opts.CXXEnvIncPath.empty()) {
423 // FIXME: Provide an option for this, and move env detection to driver.
424 llvm::llvm_report_error("Not yet implemented!");
426 if (!Opts.ObjCXXEnvIncPath.empty()) {
427 // FIXME: Provide an option for this, and move env detection to driver.
428 llvm::llvm_report_error("Not yet implemented!");
430 if (!Opts.ResourceDir.empty()) {
431 Res.push_back("-resource-dir");
432 Res.push_back(Opts.ResourceDir);
434 if (!Opts.UseStandardIncludes)
435 Res.push_back("-nostdinc");
440 static void LangOptsToArgs(const LangOptions &Opts,
441 std::vector<std::string> &Res) {
442 LangOptions DefaultLangOpts;
444 // FIXME: Need to set -std to get all the implicit options.
446 // FIXME: We want to only pass options relative to the defaults, which
447 // requires constructing a target. :(
449 // It would be better to push the all target specific choices into the driver,
450 // so that everything below that was more uniform.
453 Res.push_back("-trigraphs");
454 // Implicit based on the input kind:
455 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL
456 // Implicit based on the input language standard:
457 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode
458 if (Opts.DollarIdents)
459 Res.push_back("-fdollars-in-identifiers");
461 Res.push_back("-fms-extensions");
462 if (Opts.ObjCNonFragileABI)
463 Res.push_back("-fobjc-nonfragile-abi");
464 if (Opts.ObjCNonFragileABI2)
465 Res.push_back("-fobjc-nonfragile-abi2");
466 // NoInline is implicit.
467 if (!Opts.CXXOperatorNames)
468 Res.push_back("-fno-operator-names");
469 if (Opts.PascalStrings)
470 Res.push_back("-fpascal-strings");
471 if (Opts.CatchUndefined)
472 Res.push_back("-fcatch-undefined-behavior");
473 if (Opts.WritableStrings)
474 Res.push_back("-fwritable-strings");
475 if (!Opts.LaxVectorConversions)
476 Res.push_back("-fno-lax-vector-conversions");
478 Res.push_back("-faltivec");
480 Res.push_back("-fexceptions");
481 if (Opts.SjLjExceptions)
482 Res.push_back("-fsjlj-exceptions");
484 Res.push_back("-fno-rtti");
485 if (!Opts.NeXTRuntime)
486 Res.push_back("-fgnu-runtime");
487 if (Opts.Freestanding)
488 Res.push_back("-ffreestanding");
490 Res.push_back("-fno-builtin");
491 if (!Opts.AssumeSaneOperatorNew)
492 Res.push_back("-fno-assume-sane-operator-new");
493 if (!Opts.ThreadsafeStatics)
494 Res.push_back("-fno-threadsafe-statics");
495 if (Opts.POSIXThreads)
496 Res.push_back("-pthread");
498 Res.push_back("-fblocks");
499 if (Opts.EmitAllDecls)
500 Res.push_back("-femit-all-decls");
502 Res.push_back("-fmath-errno");
503 if (Opts.OverflowChecking)
504 Res.push_back("-ftrapv");
505 if (Opts.HeinousExtensions)
506 Res.push_back("-fheinous-gnu-extensions");
507 // Optimize is implicit.
508 // OptimizeSize is implicit.
510 Res.push_back("-static-define");
512 Res.push_back("-pic-level");
513 Res.push_back(llvm::utostr(Opts.PICLevel));
515 if (Opts.ObjCGCBitmapPrint)
516 Res.push_back("-print-ivar-layout");
517 // FIXME: Don't forget to update when the default changes!
518 if (Opts.AccessControl)
519 Res.push_back("-faccess-control");
520 if (!Opts.CharIsSigned)
521 Res.push_back("-fno-signed-char");
523 Res.push_back("-fshort-wchar");
524 if (!Opts.ElideConstructors)
525 Res.push_back("-fno-elide-constructors");
526 if (Opts.getGCMode() != LangOptions::NonGC) {
527 if (Opts.getGCMode() == LangOptions::HybridGC) {
528 Res.push_back("-fobjc-gc");
530 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!");
531 Res.push_back("-fobjc-gc-only");
534 if (Opts.getVisibilityMode() != LangOptions::Default) {
535 Res.push_back("-fvisibility");
536 if (Opts.getVisibilityMode() == LangOptions::Hidden) {
537 Res.push_back("hidden");
539 assert(Opts.getVisibilityMode() == LangOptions::Protected &&
540 "Invalid visibility!");
541 Res.push_back("protected");
544 if (Opts.getStackProtectorMode() != 0) {
545 Res.push_back("-stack-protector");
546 Res.push_back(llvm::utostr(Opts.getStackProtectorMode()));
548 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) {
549 Res.push_back("-ftemplate-depth");
550 Res.push_back(llvm::utostr(Opts.InstantiationDepth));
552 if (!Opts.ObjCConstantStringClass.empty()) {
553 Res.push_back("-fconstant-string-class");
554 Res.push_back(Opts.ObjCConstantStringClass);
558 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts,
559 std::vector<std::string> &Res) {
560 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i)
561 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") +
562 Opts.Macros[i].first);
563 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) {
564 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes.
565 Res.push_back("-include");
566 Res.push_back(Opts.Includes[i]);
568 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) {
569 Res.push_back("-imacros");
570 Res.push_back(Opts.MacroIncludes[i]);
572 if (!Opts.UsePredefines)
573 Res.push_back("-undef");
574 if (!Opts.ImplicitPCHInclude.empty()) {
575 Res.push_back("-include-pch");
576 Res.push_back(Opts.ImplicitPCHInclude);
578 if (!Opts.ImplicitPTHInclude.empty()) {
579 Res.push_back("-include-pth");
580 Res.push_back(Opts.ImplicitPTHInclude);
582 if (!Opts.TokenCache.empty()) {
583 if (Opts.ImplicitPTHInclude.empty()) {
584 Res.push_back("-token-cache");
585 Res.push_back(Opts.TokenCache);
587 assert(Opts.ImplicitPTHInclude == Opts.TokenCache &&
588 "Unsupported option combination!");
590 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) {
591 Res.push_back("-remap-file");
592 Res.push_back(Opts.RemappedFiles[i].first + ";" +
593 Opts.RemappedFiles[i].second);
597 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts,
598 std::vector<std::string> &Res) {
599 if (!Opts.ShowCPP && !Opts.ShowMacros)
600 llvm::llvm_report_error("Invalid option combination!");
602 if (Opts.ShowCPP && Opts.ShowMacros)
603 Res.push_back("-dD");
604 else if (!Opts.ShowCPP && Opts.ShowMacros)
605 Res.push_back("-dM");
607 if (!Opts.ShowLineMarkers)
609 if (Opts.ShowComments)
611 if (Opts.ShowMacroComments)
612 Res.push_back("-CC");
615 static void TargetOptsToArgs(const TargetOptions &Opts,
616 std::vector<std::string> &Res) {
617 Res.push_back("-triple");
618 Res.push_back(Opts.Triple);
619 if (!Opts.CPU.empty()) {
620 Res.push_back("-target-cpu");
621 Res.push_back(Opts.CPU);
623 if (!Opts.ABI.empty()) {
624 Res.push_back("-target-abi");
625 Res.push_back(Opts.ABI);
627 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) {
628 Res.push_back("-target-feature");
629 Res.push_back(Opts.Features[i]);
633 void CompilerInvocation::toArgs(std::vector<std::string> &Res) {
634 AnalyzerOptsToArgs(getAnalyzerOpts(), Res);
635 CodeGenOptsToArgs(getCodeGenOpts(), Res);
636 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res);
637 DiagnosticOptsToArgs(getDiagnosticOpts(), Res);
638 FrontendOptsToArgs(getFrontendOpts(), Res);
639 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res);
640 LangOptsToArgs(getLangOpts(), Res);
641 PreprocessorOptsToArgs(getPreprocessorOpts(), Res);
642 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res);
643 TargetOptsToArgs(getTargetOpts(), Res);
646 //===----------------------------------------------------------------------===//
647 // Deserialization (to args)
648 //===----------------------------------------------------------------------===//
650 using namespace clang::driver;
651 using namespace clang::driver::cc1options;
653 static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID,
654 llvm::StringRef Default = "") {
655 if (Arg *A = Args.getLastArg(ID))
656 return A->getValue(Args);
660 static int getLastArgIntValue(ArgList &Args, cc1options::ID ID,
661 int Default, Diagnostic &Diags) {
662 Arg *A = Args.getLastArg(ID);
667 if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res))
668 Diags.Report(diag::err_drv_invalid_int_value)
669 << A->getAsString(Args) << A->getValue(Args);
674 static std::vector<std::string>
675 getAllArgValues(ArgList &Args, cc1options::ID ID) {
676 llvm::SmallVector<const char *, 16> Values;
677 Args.AddAllArgValues(Values, ID);
678 return std::vector<std::string>(Values.begin(), Values.end());
683 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
685 using namespace cc1options;
687 Opts.AnalysisList.clear();
688 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \
689 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME);
690 #include "clang/Frontend/Analyses.def"
692 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
693 llvm::StringRef Name = A->getValue(Args);
694 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
695 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
696 .Case(CMDFLAG, NAME##Model)
697 #include "clang/Frontend/Analyses.def"
699 // FIXME: Error handling.
700 if (Value == NumStores)
701 Diags.Report(diag::err_drv_invalid_value)
702 << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
704 Opts.AnalysisStoreOpt = Value;
707 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
708 llvm::StringRef Name = A->getValue(Args);
709 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
710 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
711 .Case(CMDFLAG, NAME##Model)
712 #include "clang/Frontend/Analyses.def"
713 .Default(NumConstraints);
714 // FIXME: Error handling.
715 if (Value == NumConstraints)
716 Diags.Report(diag::err_drv_invalid_value)
717 << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
719 Opts.AnalysisConstraintsOpt = Value;
722 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
723 llvm::StringRef Name = A->getValue(Args);
724 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
725 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \
726 .Case(CMDFLAG, PD_##NAME)
727 #include "clang/Frontend/Analyses.def"
728 .Default(NUM_ANALYSIS_DIAG_CLIENTS);
729 // FIXME: Error handling.
730 if (Value == NUM_ANALYSIS_DIAG_CLIENTS)
731 Diags.Report(diag::err_drv_invalid_value)
732 << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
734 Opts.AnalysisDiagOpt = Value;
737 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz);
738 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph);
739 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers);
740 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress);
741 Opts.AnalyzeNestedBlocks =
742 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks);
743 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead);
744 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume);
745 Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function);
746 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks);
747 Opts.EnableExperimentalInternalChecks =
748 Args.hasArg(OPT_analyzer_experimental_internal_checks);
749 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
752 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args,
754 using namespace cc1options;
756 if (Args.hasArg(OPT_Os))
757 Opts.OptimizationLevel = 2;
759 Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags);
760 if (Opts.OptimizationLevel > 3) {
761 Diags.Report(diag::err_drv_invalid_value)
762 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel;
763 Opts.OptimizationLevel = 3;
767 // We must always run at least the always inlining pass.
768 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
769 : CodeGenOptions::OnlyAlwaysInlining;
771 Opts.DebugInfo = Args.hasArg(OPT_g);
772 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
773 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
774 Opts.DwarfDebugFlags = getLastArgValue(Args, OPT_dwarf_debug_flags);
775 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants);
776 Opts.NoCommon = Args.hasArg(OPT_fno_common);
777 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
778 Opts.OptimizeSize = Args.hasArg(OPT_Os);
779 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize);
781 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
782 Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model);
783 Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass);
784 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
785 Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi);
786 Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision);
787 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
788 Opts.ObjCLegacyDispatch = Args.hasArg(OPT_fobjc_legacy_dispatch);
789 Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
790 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
791 Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic");
793 Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name);
794 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
797 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
799 using namespace cc1options;
800 Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file);
801 Opts.Targets = getAllArgValues(Args, OPT_MT);
802 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
803 Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
806 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
808 using namespace cc1options;
809 Opts.IgnoreWarnings = Args.hasArg(OPT_w);
810 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros);
811 Opts.Pedantic = Args.hasArg(OPT_pedantic);
812 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors);
813 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics);
814 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics);
815 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column);
816 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info);
817 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location);
818 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
819 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
820 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
821 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary);
822 Opts.TabStop = getLastArgIntValue(Args, OPT_ftabstop,
823 DiagnosticOptions::DefaultTabStop, Diags);
824 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) {
825 Diags.Report(diag::warn_ignoring_ftabstop_value)
826 << Opts.TabStop << DiagnosticOptions::DefaultTabStop;
827 Opts.TabStop = DiagnosticOptions::DefaultTabStop;
829 Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags);
830 Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information);
831 Opts.Warnings = getAllArgValues(Args, OPT_W);
834 static FrontendOptions::InputKind
835 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) {
836 using namespace cc1options;
837 Opts.ProgramAction = frontend::ParseSyntaxOnly;
838 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) {
839 switch (A->getOption().getID()) {
841 assert(0 && "Invalid option in group!");
843 Opts.ProgramAction = frontend::ASTDump; break;
845 Opts.ProgramAction = frontend::ASTPrint; break;
846 case OPT_ast_print_xml:
847 Opts.ProgramAction = frontend::ASTPrintXML; break;
849 Opts.ProgramAction = frontend::ASTView; break;
850 case OPT_dump_raw_tokens:
851 Opts.ProgramAction = frontend::DumpRawTokens; break;
852 case OPT_dump_record_layouts:
853 Opts.ProgramAction = frontend::DumpRecordLayouts; break;
854 case OPT_dump_tokens:
855 Opts.ProgramAction = frontend::DumpTokens; break;
857 Opts.ProgramAction = frontend::EmitAssembly; break;
858 case OPT_emit_llvm_bc:
859 Opts.ProgramAction = frontend::EmitBC; break;
861 Opts.ProgramAction = frontend::EmitHTML; break;
863 Opts.ProgramAction = frontend::EmitLLVM; break;
864 case OPT_emit_llvm_only:
865 Opts.ProgramAction = frontend::EmitLLVMOnly; break;
867 Opts.ProgramAction = frontend::EmitObj; break;
869 Opts.ProgramAction = frontend::FixIt; break;
871 Opts.ProgramAction = frontend::GeneratePCH; break;
873 Opts.ProgramAction = frontend::GeneratePTH; break;
875 Opts.ProgramAction = frontend::ParseNoop; break;
876 case OPT_parse_print_callbacks:
877 Opts.ProgramAction = frontend::ParsePrintCallbacks; break;
878 case OPT_fsyntax_only:
879 Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
880 case OPT_print_decl_contexts:
881 Opts.ProgramAction = frontend::PrintDeclContext; break;
883 Opts.ProgramAction = frontend::PrintPreprocessedInput; break;
884 case OPT_rewrite_macros:
885 Opts.ProgramAction = frontend::RewriteMacros; break;
886 case OPT_rewrite_objc:
887 Opts.ProgramAction = frontend::RewriteObjC; break;
888 case OPT_rewrite_test:
889 Opts.ProgramAction = frontend::RewriteTest; break;
891 Opts.ProgramAction = frontend::RunAnalysis; break;
893 Opts.ProgramAction = frontend::RunPreprocessorOnly; break;
896 if (const Arg *A = Args.getLastArg(OPT_plugin)) {
897 Opts.ProgramAction = frontend::PluginAction;
898 Opts.ActionName = A->getValue(Args);
901 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
902 Opts.CodeCompletionAt =
903 ParsedSourceLocation::FromString(A->getValue(Args));
904 if (Opts.CodeCompletionAt.FileName.empty())
905 Diags.Report(diag::err_drv_invalid_value)
906 << A->getAsString(Args) << A->getValue(Args);
908 Opts.DebugCodeCompletionPrinter =
909 !Args.hasArg(OPT_no_code_completion_debug_printer);
910 Opts.DisableFree = Args.hasArg(OPT_disable_free);
911 Opts.EmptyInputOnly = Args.hasArg(OPT_empty_input_only);
913 Opts.FixItLocations.clear();
914 for (arg_iterator it = Args.filtered_begin(OPT_fixit_at),
915 ie = Args.filtered_end(); it != ie; ++it) {
916 const char *Loc = it->getValue(Args);
917 ParsedSourceLocation PSL = ParsedSourceLocation::FromString(Loc);
919 if (PSL.FileName.empty()) {
920 Diags.Report(diag::err_drv_invalid_value) << it->getAsString(Args) << Loc;
924 Opts.FixItLocations.push_back(PSL);
927 Opts.OutputFile = getLastArgValue(Args, OPT_o);
928 Opts.Plugins = getAllArgValues(Args, OPT_load);
929 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch);
930 Opts.ShowHelp = Args.hasArg(OPT_help);
931 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros);
932 Opts.ShowStats = Args.hasArg(OPT_print_stats);
933 Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
934 Opts.ShowVersion = Args.hasArg(OPT_version);
935 Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view);
936 Opts.ASTMergeFiles = getAllArgValues(Args, OPT_ast_merge);
938 FrontendOptions::InputKind DashX = FrontendOptions::IK_None;
939 if (const Arg *A = Args.getLastArg(OPT_x)) {
940 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args))
941 .Case("c", FrontendOptions::IK_C)
942 .Case("cl", FrontendOptions::IK_OpenCL)
943 .Case("c", FrontendOptions::IK_C)
944 .Case("cl", FrontendOptions::IK_OpenCL)
945 .Case("c++", FrontendOptions::IK_CXX)
946 .Case("objective-c", FrontendOptions::IK_ObjC)
947 .Case("objective-c++", FrontendOptions::IK_ObjCXX)
948 .Case("cpp-output", FrontendOptions::IK_PreprocessedC)
949 .Case("assembler-with-cpp", FrontendOptions::IK_Asm)
950 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX)
951 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC)
952 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX)
953 .Case("c-header", FrontendOptions::IK_C)
954 .Case("objective-c-header", FrontendOptions::IK_ObjC)
955 .Case("c++-header", FrontendOptions::IK_CXX)
956 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX)
957 .Case("ast", FrontendOptions::IK_AST)
958 .Default(FrontendOptions::IK_None);
959 if (DashX == FrontendOptions::IK_None)
960 Diags.Report(diag::err_drv_invalid_value)
961 << A->getAsString(Args) << A->getValue(Args);
964 // '-' is the default input if none is given.
965 std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT);
968 Inputs.push_back("-");
969 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
970 FrontendOptions::InputKind IK = DashX;
971 if (IK == FrontendOptions::IK_None) {
972 IK = FrontendOptions::getInputKindForExtension(
973 llvm::StringRef(Inputs[i]).rsplit('.').second);
974 // FIXME: Remove this hack.
978 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i]));
984 std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
986 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr);
989 P.eraseComponent(); // Remove /clang from foo/bin/clang
990 P.eraseComponent(); // Remove /bin from foo/bin
992 // Get foo/lib/clang/<version>/include
993 P.appendComponent("lib");
994 P.appendComponent("clang");
995 P.appendComponent(CLANG_VERSION_STRING);
1001 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
1002 using namespace cc1options;
1003 Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/");
1004 Opts.Verbose = Args.hasArg(OPT_v);
1005 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
1006 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc);
1007 Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir);
1009 // Add -I... and -F... options in order.
1010 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F),
1011 ie = Args.filtered_end(); it != ie; ++it)
1012 Opts.AddPath(it->getValue(Args), frontend::Angled, true,
1013 /*IsFramework=*/ it->getOption().matches(OPT_F));
1015 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options.
1016 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
1017 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix,
1018 OPT_iwithprefixbefore),
1019 ie = Args.filtered_end(); it != ie; ++it) {
1020 if (it->getOption().matches(OPT_iprefix))
1021 Prefix = it->getValue(Args);
1022 else if (it->getOption().matches(OPT_iwithprefix))
1023 Opts.AddPath(Prefix.str() + it->getValue(Args),
1024 frontend::System, false, false);
1026 Opts.AddPath(Prefix.str() + it->getValue(Args),
1027 frontend::Angled, false, false);
1030 for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
1031 ie = Args.filtered_end(); it != ie; ++it)
1032 Opts.AddPath(it->getValue(Args), frontend::After, true, false);
1033 for (arg_iterator it = Args.filtered_begin(OPT_iquote),
1034 ie = Args.filtered_end(); it != ie; ++it)
1035 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false);
1036 for (arg_iterator it = Args.filtered_begin(OPT_isystem),
1037 ie = Args.filtered_end(); it != ie; ++it)
1038 Opts.AddPath(it->getValue(Args), frontend::System, true, false);
1040 // FIXME: Need options for the various environment variables!
1043 static void ParseLangArgs(LangOptions &Opts, ArgList &Args,
1044 FrontendOptions::InputKind IK,
1045 Diagnostic &Diags) {
1046 // FIXME: Cleanup per-file based stuff.
1048 // Set some properties which depend soley on the input kind; it would be nice
1049 // to move these to the language standard, and have the driver resolve the
1050 // input kind + language standard.
1051 if (IK == FrontendOptions::IK_Asm) {
1052 Opts.AsmPreprocessor = 1;
1053 } else if (IK == FrontendOptions::IK_ObjC ||
1054 IK == FrontendOptions::IK_ObjCXX ||
1055 IK == FrontendOptions::IK_PreprocessedObjC ||
1056 IK == FrontendOptions::IK_PreprocessedObjCXX) {
1057 Opts.ObjC1 = Opts.ObjC2 = 1;
1060 LangStandard::Kind LangStd = LangStandard::lang_unspecified;
1061 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) {
1062 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args))
1063 #define LANGSTANDARD(id, name, desc, features) \
1064 .Case(name, LangStandard::lang_##id)
1065 #include "clang/Frontend/LangStandards.def"
1066 .Default(LangStandard::lang_unspecified);
1067 if (LangStd == LangStandard::lang_unspecified)
1068 Diags.Report(diag::err_drv_invalid_value)
1069 << A->getAsString(Args) << A->getValue(Args);
1072 if (LangStd == LangStandard::lang_unspecified) {
1073 // Based on the base language, pick one.
1075 case FrontendOptions::IK_None:
1076 case FrontendOptions::IK_AST:
1077 assert(0 && "Invalid input kind!");
1078 case FrontendOptions::IK_OpenCL:
1079 LangStd = LangStandard::lang_opencl;
1081 case FrontendOptions::IK_Asm:
1082 case FrontendOptions::IK_C:
1083 case FrontendOptions::IK_PreprocessedC:
1084 case FrontendOptions::IK_ObjC:
1085 case FrontendOptions::IK_PreprocessedObjC:
1086 LangStd = LangStandard::lang_gnu99;
1088 case FrontendOptions::IK_CXX:
1089 case FrontendOptions::IK_PreprocessedCXX:
1090 case FrontendOptions::IK_ObjCXX:
1091 case FrontendOptions::IK_PreprocessedObjCXX:
1092 LangStd = LangStandard::lang_gnucxx98;
1097 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
1098 Opts.BCPLComment = Std.hasBCPLComments();
1099 Opts.C99 = Std.isC99();
1100 Opts.CPlusPlus = Std.isCPlusPlus();
1101 Opts.CPlusPlus0x = Std.isCPlusPlus0x();
1102 Opts.Digraphs = Std.hasDigraphs();
1103 Opts.GNUMode = Std.isGNUMode();
1104 Opts.GNUInline = !Std.isC99();
1105 Opts.HexFloats = Std.hasHexFloats();
1106 Opts.ImplicitInt = Std.hasImplicitInt();
1108 // OpenCL has some additional defaults.
1109 if (LangStd == LangStandard::lang_opencl) {
1112 Opts.CXXOperatorNames = 1;
1113 Opts.LaxVectorConversions = 1;
1116 // OpenCL and C++ both have bool, true, false keywords.
1117 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
1120 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names);
1122 if (Args.hasArg(OPT_fobjc_gc_only))
1123 Opts.setGCMode(LangOptions::GCOnly);
1124 else if (Args.hasArg(OPT_fobjc_gc))
1125 Opts.setGCMode(LangOptions::HybridGC);
1127 if (Args.hasArg(OPT_print_ivar_layout))
1128 Opts.ObjCGCBitmapPrint = 1;
1130 if (Args.hasArg(OPT_faltivec))
1133 if (Args.hasArg(OPT_pthread))
1134 Opts.POSIXThreads = 1;
1136 llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility,
1138 if (Vis == "default")
1139 Opts.setVisibilityMode(LangOptions::Default);
1140 else if (Vis == "hidden")
1141 Opts.setVisibilityMode(LangOptions::Hidden);
1142 else if (Vis == "protected")
1143 Opts.setVisibilityMode(LangOptions::Protected);
1145 Diags.Report(diag::err_drv_invalid_value)
1146 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis;
1148 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv);
1150 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs
1151 // is specified, or -std is set to a conforming mode.
1152 Opts.Trigraphs = !Opts.GNUMode;
1153 if (Args.hasArg(OPT_trigraphs))
1156 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers,
1157 OPT_fno_dollars_in_identifiers,
1158 !Opts.AsmPreprocessor);
1159 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
1160 Opts.Microsoft = Args.hasArg(OPT_fms_extensions);
1161 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);
1162 if (Args.hasArg(OPT_fno_lax_vector_conversions))
1163 Opts.LaxVectorConversions = 0;
1164 if (Args.hasArg(OPT_fno_threadsafe_statics))
1165 Opts.ThreadsafeStatics = 0;
1166 Opts.Exceptions = Args.hasArg(OPT_fexceptions);
1167 Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
1168 Opts.Blocks = Args.hasArg(OPT_fblocks);
1169 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char);
1170 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
1171 Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
1172 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
1173 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
1174 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
1175 Opts.AccessControl = Args.hasArg(OPT_faccess_control);
1176 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);
1177 Opts.MathErrno = Args.hasArg(OPT_fmath_errno);
1178 Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99,
1180 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime);
1181 Opts.ObjCConstantStringClass = getLastArgValue(Args,
1182 OPT_fconstant_string_class);
1183 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi);
1184 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2);
1185 if (Opts.ObjCNonFragileABI2)
1186 Opts.ObjCNonFragileABI = true;
1187 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior);
1188 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
1189 Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags);
1190 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
1191 Opts.Static = Args.hasArg(OPT_static_define);
1192 Opts.DumpVtableLayouts = Args.hasArg(OPT_fdump_vtable_layouts);
1193 Opts.OptimizeSize = 0;
1195 // FIXME: Eliminate this dependency.
1197 Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags);
1198 Opts.Optimize = Opt != 0;
1200 // This is the __NO_INLINE__ define, which just depends on things like the
1201 // optimization level and -fno-inline, not actually whether the backend has
1202 // inlining enabled.
1204 // FIXME: This is affected by other options (-fno-inline).
1205 Opts.NoInline = !Opt;
1207 unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags);
1210 Diags.Report(diag::err_drv_invalid_value)
1211 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP;
1213 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break;
1214 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break;
1215 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break;
1219 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
1220 Diagnostic &Diags) {
1221 using namespace cc1options;
1222 Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch);
1223 Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth);
1224 if (const Arg *A = Args.getLastArg(OPT_token_cache))
1225 Opts.TokenCache = A->getValue(Args);
1227 Opts.TokenCache = Opts.ImplicitPTHInclude;
1228 Opts.UsePredefines = !Args.hasArg(OPT_undef);
1230 // Add macros from the command line.
1231 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U),
1232 ie = Args.filtered_end(); it != ie; ++it) {
1233 if (it->getOption().matches(OPT_D))
1234 Opts.addMacroDef(it->getValue(Args));
1236 Opts.addMacroUndef(it->getValue(Args));
1239 Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros);
1241 // Add the ordered list of -includes.
1242 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch,
1244 ie = Args.filtered_end(); it != ie; ++it) {
1245 // PCH is handled specially, we need to extra the original include path.
1246 if (it->getOption().matches(OPT_include_pch)) {
1247 std::string OriginalFile =
1248 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags);
1249 if (OriginalFile.empty())
1252 Opts.Includes.push_back(OriginalFile);
1254 Opts.Includes.push_back(it->getValue(Args));
1257 for (arg_iterator it = Args.filtered_begin(OPT_remap_file),
1258 ie = Args.filtered_end(); it != ie; ++it) {
1259 std::pair<llvm::StringRef,llvm::StringRef> Split =
1260 llvm::StringRef(it->getValue(Args)).split(';');
1262 if (Split.second.empty()) {
1263 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args);
1267 Opts.addRemappedFile(Split.first, Split.second);
1271 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
1273 using namespace cc1options;
1274 Opts.ShowCPP = !Args.hasArg(OPT_dM);
1275 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
1276 Opts.ShowLineMarkers = !Args.hasArg(OPT_P);
1277 Opts.ShowComments = Args.hasArg(OPT_C);
1278 Opts.ShowMacroComments = Args.hasArg(OPT_CC);
1281 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) {
1282 using namespace cc1options;
1283 Opts.ABI = getLastArgValue(Args, OPT_target_abi);
1284 Opts.CPU = getLastArgValue(Args, OPT_target_cpu);
1285 Opts.Triple = getLastArgValue(Args, OPT_triple);
1286 Opts.Features = getAllArgValues(Args, OPT_target_feature);
1288 // Use the host triple if unspecified.
1289 if (Opts.Triple.empty())
1290 Opts.Triple = llvm::sys::getHostTriple();
1295 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
1296 const char **ArgBegin,
1297 const char **ArgEnd,
1298 Diagnostic &Diags) {
1299 // Parse the arguments.
1300 llvm::OwningPtr<OptTable> Opts(createCC1OptTable());
1301 unsigned MissingArgIndex, MissingArgCount;
1302 llvm::OwningPtr<InputArgList> Args(
1303 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount));
1305 // Check for missing argument error.
1306 if (MissingArgCount)
1307 Diags.Report(diag::err_drv_missing_argument)
1308 << Args->getArgString(MissingArgIndex) << MissingArgCount;
1310 // Issue errors on unknown arguments.
1311 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN),
1312 ie = Args->filtered_end(); it != ie; ++it)
1313 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args);
1315 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags);
1316 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags);
1317 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
1318 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags);
1319 FrontendOptions::InputKind DashX =
1320 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
1321 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
1322 if (DashX != FrontendOptions::IK_AST)
1323 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags);
1324 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags);
1325 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args);
1326 ParseTargetArgs(Res.getTargetOpts(), *Args);