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 // Inlining is only derived.
150 if (Opts.DataSections)
151 Res.push_back("-fdata-sections");
152 if (Opts.FunctionSections)
153 Res.push_back("-ffunction-sections");
155 Res.push_back("-masm-verbose");
156 if (!Opts.CodeModel.empty()) {
157 Res.push_back("-mcode-model");
158 Res.push_back(Opts.CodeModel);
161 Res.push_back("-fno-use-cxa-atexit");
162 if (Opts.CXXCtorDtorAliases)
163 Res.push_back("-mconstructor-aliases");
164 if (!Opts.DebugPass.empty()) {
165 Res.push_back("-mdebug-pass");
166 Res.push_back(Opts.DebugPass);
168 if (Opts.DisableFPElim)
169 Res.push_back("-mdisable-fp-elim");
170 if (!Opts.FloatABI.empty()) {
171 Res.push_back("-mfloat-abi");
172 Res.push_back(Opts.FloatABI);
174 if (!Opts.LimitFloatPrecision.empty()) {
175 Res.push_back("-mlimit-float-precision");
176 Res.push_back(Opts.LimitFloatPrecision);
178 if (Opts.NoZeroInitializedInBSS)
179 Res.push_back("-mno-zero-initialized-bss");
180 switch (Opts.getObjCDispatchMethod()) {
181 case CodeGenOptions::Legacy:
183 case CodeGenOptions::Mixed:
184 Res.push_back("-fobjc-dispatch-method=mixed");
186 case CodeGenOptions::NonLegacy:
187 Res.push_back("-fobjc-dispatch-method=non-legacy");
191 Res.push_back("-mrelax-all");
193 Res.push_back("-msoft-float");
194 if (Opts.UnwindTables)
195 Res.push_back("-munwind-tables");
196 if (Opts.RelocationModel != "pic") {
197 Res.push_back("-mrelocation-model");
198 Res.push_back(Opts.RelocationModel);
200 if (!Opts.VerifyModule)
201 Res.push_back("-disable-llvm-verifier");
204 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts,
205 std::vector<std::string> &Res) {
206 if (Opts.IncludeSystemHeaders)
207 Res.push_back("-sys-header-deps");
208 if (Opts.UsePhonyTargets)
209 Res.push_back("-MP");
210 if (!Opts.OutputFile.empty()) {
211 Res.push_back("-dependency-file");
212 Res.push_back(Opts.OutputFile);
214 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) {
215 Res.push_back("-MT");
216 Res.push_back(Opts.Targets[i]);
220 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts,
221 std::vector<std::string> &Res) {
222 if (Opts.IgnoreWarnings)
224 if (Opts.NoRewriteMacros)
225 Res.push_back("-Wno-rewrite-macros");
227 Res.push_back("-pedantic");
228 if (Opts.PedanticErrors)
229 Res.push_back("-pedantic-errors");
230 if (!Opts.ShowColumn)
231 Res.push_back("-fno-show-column");
232 if (!Opts.ShowLocation)
233 Res.push_back("-fno-show-source-location");
234 if (!Opts.ShowCarets)
235 Res.push_back("-fno-caret-diagnostics");
236 if (!Opts.ShowFixits)
237 Res.push_back("-fno-diagnostics-fixit-info");
238 if (Opts.ShowSourceRanges)
239 Res.push_back("-fdiagnostics-print-source-range-info");
241 Res.push_back("-fcolor-diagnostics");
242 if (Opts.VerifyDiagnostics)
243 Res.push_back("-verify");
244 if (Opts.BinaryOutput)
245 Res.push_back("-fdiagnostics-binary");
246 if (Opts.ShowOptionNames)
247 Res.push_back("-fdiagnostics-show-option");
248 if (Opts.ShowCategories == 1)
249 Res.push_back("-fdiagnostics-show-category=id");
250 else if (Opts.ShowCategories == 2)
251 Res.push_back("-fdiagnostics-show-category=name");
252 if (Opts.ErrorLimit) {
253 Res.push_back("-ferror-limit");
254 Res.push_back(llvm::utostr(Opts.ErrorLimit));
256 if (Opts.MacroBacktraceLimit
257 != DiagnosticOptions::DefaultMacroBacktraceLimit) {
258 Res.push_back("-fmacro-backtrace-limit");
259 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit));
261 if (Opts.TemplateBacktraceLimit
262 != DiagnosticOptions::DefaultTemplateBacktraceLimit) {
263 Res.push_back("-ftemplate-backtrace-limit");
264 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit));
267 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) {
268 Res.push_back("-ftabstop");
269 Res.push_back(llvm::utostr(Opts.TabStop));
271 if (Opts.MessageLength) {
272 Res.push_back("-fmessage-length");
273 Res.push_back(llvm::utostr(Opts.MessageLength));
275 if (!Opts.DumpBuildInformation.empty()) {
276 Res.push_back("-dump-build-information");
277 Res.push_back(Opts.DumpBuildInformation);
279 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i)
280 Res.push_back("-W" + Opts.Warnings[i]);
283 static const char *getInputKindName(FrontendOptions::InputKind Kind) {
285 case FrontendOptions::IK_None: break;
286 case FrontendOptions::IK_AST: return "ast";
287 case FrontendOptions::IK_Asm: return "assembler-with-cpp";
288 case FrontendOptions::IK_C: return "c";
289 case FrontendOptions::IK_CXX: return "c++";
290 case FrontendOptions::IK_ObjC: return "objective-c";
291 case FrontendOptions::IK_ObjCXX: return "objective-c++";
292 case FrontendOptions::IK_OpenCL: return "cl";
293 case FrontendOptions::IK_PreprocessedC: return "cpp-output";
294 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output";
295 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output";
296 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output";
299 llvm_unreachable("Unexpected language kind!");
303 static const char *getActionName(frontend::ActionKind Kind) {
305 case frontend::PluginAction:
306 case frontend::InheritanceView:
307 llvm_unreachable("Invalid kind!");
309 case frontend::ASTDump: return "-ast-dump";
310 case frontend::ASTPrint: return "-ast-print";
311 case frontend::ASTPrintXML: return "-ast-print-xml";
312 case frontend::ASTView: return "-ast-view";
313 case frontend::BoostCon: return "-boostcon";
314 case frontend::DumpRawTokens: return "-dump-raw-tokens";
315 case frontend::DumpTokens: return "-dump-tokens";
316 case frontend::EmitAssembly: return "-S";
317 case frontend::EmitBC: return "-emit-llvm-bc";
318 case frontend::EmitHTML: return "-emit-html";
319 case frontend::EmitLLVM: return "-emit-llvm";
320 case frontend::EmitLLVMOnly: return "-emit-llvm-only";
321 case frontend::EmitCodeGenOnly: return "-emit-codegen-only";
322 case frontend::EmitObj: return "-emit-obj";
323 case frontend::FixIt: return "-fixit";
324 case frontend::GeneratePCH: return "-emit-pch";
325 case frontend::GeneratePTH: return "-emit-pth";
326 case frontend::InitOnly: return "-init-only";
327 case frontend::ParseNoop: return "-parse-noop";
328 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks";
329 case frontend::ParseSyntaxOnly: return "-fsyntax-only";
330 case frontend::PrintDeclContext: return "-print-decl-contexts";
331 case frontend::PrintPreprocessedInput: return "-E";
332 case frontend::RewriteMacros: return "-rewrite-macros";
333 case frontend::RewriteObjC: return "-rewrite-objc";
334 case frontend::RewriteTest: return "-rewrite-test";
335 case frontend::RunAnalysis: return "-analyze";
336 case frontend::RunPreprocessorOnly: return "-Eonly";
339 llvm_unreachable("Unexpected language kind!");
343 static void FrontendOptsToArgs(const FrontendOptions &Opts,
344 std::vector<std::string> &Res) {
345 if (!Opts.DebugCodeCompletionPrinter)
346 Res.push_back("-no-code-completion-debug-printer");
347 if (Opts.DisableFree)
348 Res.push_back("-disable-free");
349 if (Opts.RelocatablePCH)
350 Res.push_back("-relocatable-pch");
352 Res.push_back("-help");
353 if (Opts.ShowMacrosInCodeCompletion)
354 Res.push_back("-code-completion-macros");
355 if (Opts.ShowCodePatternsInCodeCompletion)
356 Res.push_back("-code-completion-patterns");
358 Res.push_back("-print-stats");
360 Res.push_back("-ftime-report");
361 if (Opts.ShowVersion)
362 Res.push_back("-version");
364 bool NeedLang = false;
365 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i)
366 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) !=
367 Opts.Inputs[i].first)
371 Res.push_back(getInputKindName(Opts.Inputs[0].first));
373 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) {
374 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) &&
375 "Unable to represent this input vector!");
376 Res.push_back(Opts.Inputs[i].second);
379 if (!Opts.OutputFile.empty()) {
381 Res.push_back(Opts.OutputFile);
383 if (!Opts.ViewClassInheritance.empty()) {
384 Res.push_back("-cxx-inheritance-view");
385 Res.push_back(Opts.ViewClassInheritance);
387 if (!Opts.CodeCompletionAt.FileName.empty()) {
388 Res.push_back("-code-completion-at");
389 Res.push_back(Opts.CodeCompletionAt.FileName + ":" +
390 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" +
391 llvm::utostr(Opts.CodeCompletionAt.Column));
393 if (Opts.ProgramAction != frontend::InheritanceView &&
394 Opts.ProgramAction != frontend::PluginAction)
395 Res.push_back(getActionName(Opts.ProgramAction));
396 if (!Opts.ActionName.empty()) {
397 Res.push_back("-plugin");
398 Res.push_back(Opts.ActionName);
400 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) {
401 Res.push_back("-load");
402 Res.push_back(Opts.Plugins[i]);
404 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) {
405 Res.push_back("-ast-merge");
406 Res.push_back(Opts.ASTMergeFiles[i]);
408 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) {
409 Res.push_back("-mllvm");
410 Res.push_back(Opts.LLVMArgs[i]);
414 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts,
415 std::vector<std::string> &Res) {
416 if (Opts.Sysroot != "/") {
417 Res.push_back("-isysroot");
418 Res.push_back(Opts.Sysroot);
421 /// User specified include entries.
422 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) {
423 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i];
424 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied))
425 llvm::report_fatal_error("Invalid option set!");
426 if (E.IsUserSupplied) {
427 if (E.Group == frontend::After) {
428 Res.push_back("-idirafter");
429 } else if (E.Group == frontend::Quoted) {
430 Res.push_back("-iquote");
431 } else if (E.Group == frontend::System) {
432 Res.push_back("-isystem");
434 assert(E.Group == frontend::Angled && "Invalid group!");
435 Res.push_back(E.IsFramework ? "-F" : "-I");
438 if (E.Group != frontend::Angled && E.Group != frontend::System)
439 llvm::report_fatal_error("Invalid option set!");
440 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" :
443 Res.push_back(E.Path);
446 if (!Opts.EnvIncPath.empty()) {
447 // FIXME: Provide an option for this, and move env detection to driver.
448 llvm::report_fatal_error("Not yet implemented!");
450 if (!Opts.CEnvIncPath.empty()) {
451 // FIXME: Provide an option for this, and move env detection to driver.
452 llvm::report_fatal_error("Not yet implemented!");
454 if (!Opts.ObjCEnvIncPath.empty()) {
455 // FIXME: Provide an option for this, and move env detection to driver.
456 llvm::report_fatal_error("Not yet implemented!");
458 if (!Opts.CXXEnvIncPath.empty()) {
459 // FIXME: Provide an option for this, and move env detection to driver.
460 llvm::report_fatal_error("Not yet implemented!");
462 if (!Opts.ObjCXXEnvIncPath.empty()) {
463 // FIXME: Provide an option for this, and move env detection to driver.
464 llvm::report_fatal_error("Not yet implemented!");
466 if (!Opts.ResourceDir.empty()) {
467 Res.push_back("-resource-dir");
468 Res.push_back(Opts.ResourceDir);
470 if (!Opts.UseStandardIncludes)
471 Res.push_back("-nostdinc");
472 if (!Opts.UseStandardCXXIncludes)
473 Res.push_back("-nostdinc++");
478 static void LangOptsToArgs(const LangOptions &Opts,
479 std::vector<std::string> &Res) {
480 LangOptions DefaultLangOpts;
482 // FIXME: Need to set -std to get all the implicit options.
484 // FIXME: We want to only pass options relative to the defaults, which
485 // requires constructing a target. :(
487 // It would be better to push the all target specific choices into the driver,
488 // so that everything below that was more uniform.
491 Res.push_back("-trigraphs");
492 // Implicit based on the input kind:
493 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL
494 // Implicit based on the input language standard:
495 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode
496 if (Opts.DollarIdents)
497 Res.push_back("-fdollars-in-identifiers");
498 if (Opts.GNUMode && !Opts.GNUKeywords)
499 Res.push_back("-fno-gnu-keywords");
500 if (!Opts.GNUMode && Opts.GNUKeywords)
501 Res.push_back("-fgnu-keywords");
503 Res.push_back("-fms-extensions");
504 if (Opts.ObjCNonFragileABI)
505 Res.push_back("-fobjc-nonfragile-abi");
506 if (Opts.ObjCNonFragileABI2)
507 Res.push_back("-fobjc-nonfragile-abi2");
508 // NoInline is implicit.
509 if (!Opts.CXXOperatorNames)
510 Res.push_back("-fno-operator-names");
511 if (Opts.PascalStrings)
512 Res.push_back("-fpascal-strings");
513 if (Opts.CatchUndefined)
514 Res.push_back("-fcatch-undefined-behavior");
515 if (Opts.WritableStrings)
516 Res.push_back("-fwritable-strings");
517 if (Opts.ConstStrings)
518 Res.push_back("-Wwrite-strings");
519 if (!Opts.LaxVectorConversions)
520 Res.push_back("-fno-lax-vector-conversions");
522 Res.push_back("-faltivec");
524 Res.push_back("-fexceptions");
525 if (Opts.SjLjExceptions)
526 Res.push_back("-fsjlj-exceptions");
528 Res.push_back("-fno-rtti");
529 if (!Opts.NeXTRuntime)
530 Res.push_back("-fgnu-runtime");
531 if (Opts.Freestanding)
532 Res.push_back("-ffreestanding");
534 Res.push_back("-fno-builtin");
535 if (!Opts.AssumeSaneOperatorNew)
536 Res.push_back("-fno-assume-sane-operator-new");
537 if (!Opts.ThreadsafeStatics)
538 Res.push_back("-fno-threadsafe-statics");
539 if (Opts.POSIXThreads)
540 Res.push_back("-pthread");
542 Res.push_back("-fblocks");
543 if (Opts.EmitAllDecls)
544 Res.push_back("-femit-all-decls");
546 Res.push_back("-fmath-errno");
547 if (Opts.OverflowChecking)
548 Res.push_back("-ftrapv");
549 if (Opts.HeinousExtensions)
550 Res.push_back("-fheinous-gnu-extensions");
551 // Optimize is implicit.
552 // OptimizeSize is implicit.
554 Res.push_back("-static-define");
555 if (Opts.DumpRecordLayouts)
556 Res.push_back("-fdump-record-layouts");
557 if (Opts.DumpVTableLayouts)
558 Res.push_back("-fdump-vtable-layouts");
559 if (Opts.NoBitFieldTypeAlign)
560 Res.push_back("-fno-bitfield-type-alignment");
561 if (Opts.SjLjExceptions)
562 Res.push_back("-fsjlj-exceptions");
564 Res.push_back("-pic-level");
565 Res.push_back(llvm::utostr(Opts.PICLevel));
567 if (Opts.ObjCGCBitmapPrint)
568 Res.push_back("-print-ivar-layout");
569 if (Opts.NoConstantCFStrings)
570 Res.push_back("-fno-constant-cfstrings");
571 if (!Opts.AccessControl)
572 Res.push_back("-fno-access-control");
573 if (!Opts.CharIsSigned)
574 Res.push_back("-fno-signed-char");
576 Res.push_back("-fshort-wchar");
577 if (!Opts.ElideConstructors)
578 Res.push_back("-fno-elide-constructors");
579 if (Opts.getGCMode() != LangOptions::NonGC) {
580 if (Opts.getGCMode() == LangOptions::HybridGC) {
581 Res.push_back("-fobjc-gc");
583 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!");
584 Res.push_back("-fobjc-gc-only");
587 if (Opts.getVisibilityMode() != LangOptions::Default) {
588 Res.push_back("-fvisibility");
589 if (Opts.getVisibilityMode() == LangOptions::Hidden) {
590 Res.push_back("hidden");
592 assert(Opts.getVisibilityMode() == LangOptions::Protected &&
593 "Invalid visibility!");
594 Res.push_back("protected");
597 if (Opts.getStackProtectorMode() != 0) {
598 Res.push_back("-stack-protector");
599 Res.push_back(llvm::utostr(Opts.getStackProtectorMode()));
601 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) {
602 Res.push_back("-ftemplate-depth");
603 Res.push_back(llvm::utostr(Opts.InstantiationDepth));
605 if (!Opts.ObjCConstantStringClass.empty()) {
606 Res.push_back("-fconstant-string-class");
607 Res.push_back(Opts.ObjCConstantStringClass);
611 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts,
612 std::vector<std::string> &Res) {
613 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i)
614 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") +
615 Opts.Macros[i].first);
616 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) {
617 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes.
618 Res.push_back("-include");
619 Res.push_back(Opts.Includes[i]);
621 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) {
622 Res.push_back("-imacros");
623 Res.push_back(Opts.MacroIncludes[i]);
625 if (!Opts.UsePredefines)
626 Res.push_back("-undef");
627 if (Opts.DetailedRecord)
628 Res.push_back("-detailed-preprocessing-record");
629 if (!Opts.ImplicitPCHInclude.empty()) {
630 Res.push_back("-include-pch");
631 Res.push_back(Opts.ImplicitPCHInclude);
633 if (!Opts.ImplicitPTHInclude.empty()) {
634 Res.push_back("-include-pth");
635 Res.push_back(Opts.ImplicitPTHInclude);
637 if (!Opts.TokenCache.empty()) {
638 if (Opts.ImplicitPTHInclude.empty()) {
639 Res.push_back("-token-cache");
640 Res.push_back(Opts.TokenCache);
642 assert(Opts.ImplicitPTHInclude == Opts.TokenCache &&
643 "Unsupported option combination!");
645 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) {
646 Res.push_back("-remap-file");
647 Res.push_back(Opts.RemappedFiles[i].first + ";" +
648 Opts.RemappedFiles[i].second);
652 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts,
653 std::vector<std::string> &Res) {
654 if (!Opts.ShowCPP && !Opts.ShowMacros)
655 llvm::report_fatal_error("Invalid option combination!");
657 if (Opts.ShowCPP && Opts.ShowMacros)
658 Res.push_back("-dD");
659 else if (!Opts.ShowCPP && Opts.ShowMacros)
660 Res.push_back("-dM");
662 if (!Opts.ShowLineMarkers)
664 if (Opts.ShowComments)
666 if (Opts.ShowMacroComments)
667 Res.push_back("-CC");
670 static void TargetOptsToArgs(const TargetOptions &Opts,
671 std::vector<std::string> &Res) {
672 Res.push_back("-triple");
673 Res.push_back(Opts.Triple);
674 if (!Opts.CPU.empty()) {
675 Res.push_back("-target-cpu");
676 Res.push_back(Opts.CPU);
678 if (!Opts.ABI.empty()) {
679 Res.push_back("-target-abi");
680 Res.push_back(Opts.ABI);
682 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) {
683 Res.push_back("-target-feature");
684 Res.push_back(Opts.Features[i]);
688 void CompilerInvocation::toArgs(std::vector<std::string> &Res) {
689 AnalyzerOptsToArgs(getAnalyzerOpts(), Res);
690 CodeGenOptsToArgs(getCodeGenOpts(), Res);
691 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res);
692 DiagnosticOptsToArgs(getDiagnosticOpts(), Res);
693 FrontendOptsToArgs(getFrontendOpts(), Res);
694 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res);
695 LangOptsToArgs(getLangOpts(), Res);
696 PreprocessorOptsToArgs(getPreprocessorOpts(), Res);
697 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res);
698 TargetOptsToArgs(getTargetOpts(), Res);
701 //===----------------------------------------------------------------------===//
702 // Deserialization (to args)
703 //===----------------------------------------------------------------------===//
705 using namespace clang::driver;
706 using namespace clang::driver::cc1options;
710 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
712 using namespace cc1options;
714 Opts.AnalysisList.clear();
715 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \
716 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME);
717 #include "clang/Frontend/Analyses.def"
719 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
720 llvm::StringRef Name = A->getValue(Args);
721 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
722 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
723 .Case(CMDFLAG, NAME##Model)
724 #include "clang/Frontend/Analyses.def"
726 // FIXME: Error handling.
727 if (Value == NumStores)
728 Diags.Report(diag::err_drv_invalid_value)
729 << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
731 Opts.AnalysisStoreOpt = Value;
734 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
735 llvm::StringRef Name = A->getValue(Args);
736 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
737 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
738 .Case(CMDFLAG, NAME##Model)
739 #include "clang/Frontend/Analyses.def"
740 .Default(NumConstraints);
741 // FIXME: Error handling.
742 if (Value == NumConstraints)
743 Diags.Report(diag::err_drv_invalid_value)
744 << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
746 Opts.AnalysisConstraintsOpt = Value;
749 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
750 llvm::StringRef Name = A->getValue(Args);
751 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
752 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \
753 .Case(CMDFLAG, PD_##NAME)
754 #include "clang/Frontend/Analyses.def"
755 .Default(NUM_ANALYSIS_DIAG_CLIENTS);
756 // FIXME: Error handling.
757 if (Value == NUM_ANALYSIS_DIAG_CLIENTS)
758 Diags.Report(diag::err_drv_invalid_value)
759 << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
761 Opts.AnalysisDiagOpt = Value;
764 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz);
765 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph);
766 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers);
767 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress);
768 Opts.AnalyzeNestedBlocks =
769 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks);
770 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead);
771 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume);
772 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function);
773 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks);
774 Opts.EnableExperimentalInternalChecks =
775 Args.hasArg(OPT_analyzer_experimental_internal_checks);
776 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
777 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags);
778 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags);
779 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call);
782 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args,
784 using namespace cc1options;
786 if (Args.hasArg(OPT_Os))
787 Opts.OptimizationLevel = 2;
789 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags);
790 if (Opts.OptimizationLevel > 3) {
791 Diags.Report(diag::err_drv_invalid_value)
792 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel;
793 Opts.OptimizationLevel = 3;
797 // We must always run at least the always inlining pass.
798 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
799 : CodeGenOptions::OnlyAlwaysInlining;
801 Opts.DebugInfo = Args.hasArg(OPT_g);
802 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
803 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
804 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
805 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants);
806 Opts.NoCommon = Args.hasArg(OPT_fno_common);
807 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
808 Opts.OptimizeSize = Args.hasArg(OPT_Os);
809 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize);
811 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
812 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit);
813 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases);
814 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
815 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass);
816 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
817 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
818 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
819 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
820 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
821 Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
822 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
823 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
825 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections);
826 Opts.DataSections = Args.hasArg(OPT_fdata_sections);
828 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
829 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
831 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) {
832 llvm::StringRef Name = A->getValue(Args);
833 unsigned Method = llvm::StringSwitch<unsigned>(Name)
834 .Case("legacy", CodeGenOptions::Legacy)
835 .Case("non-legacy", CodeGenOptions::NonLegacy)
836 .Case("mixed", CodeGenOptions::Mixed)
839 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
841 Opts.ObjCDispatchMethod = Method;
845 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
847 using namespace cc1options;
848 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file);
849 Opts.Targets = Args.getAllArgValues(OPT_MT);
850 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
851 Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
854 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
856 using namespace cc1options;
857 Opts.IgnoreWarnings = Args.hasArg(OPT_w);
858 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros);
859 Opts.Pedantic = Args.hasArg(OPT_pedantic);
860 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors);
861 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics);
862 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics);
863 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column);
864 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info);
865 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location);
866 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
868 llvm::StringRef ShowCategory =
869 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none");
870 if (ShowCategory == "none")
871 Opts.ShowCategories = 0;
872 else if (ShowCategory == "id")
873 Opts.ShowCategories = 1;
874 else if (ShowCategory == "name")
875 Opts.ShowCategories = 2;
877 Diags.Report(diag::err_drv_invalid_value)
878 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args)
881 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
882 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
883 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary);
884 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags);
885 Opts.MacroBacktraceLimit
886 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit,
887 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags);
888 Opts.TemplateBacktraceLimit
889 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit,
890 DiagnosticOptions::DefaultTemplateBacktraceLimit,
892 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop,
893 DiagnosticOptions::DefaultTabStop, Diags);
894 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) {
895 Diags.Report(diag::warn_ignoring_ftabstop_value)
896 << Opts.TabStop << DiagnosticOptions::DefaultTabStop;
897 Opts.TabStop = DiagnosticOptions::DefaultTabStop;
899 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags);
900 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information);
901 Opts.Warnings = Args.getAllArgValues(OPT_W);
904 static FrontendOptions::InputKind
905 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) {
906 using namespace cc1options;
907 Opts.ProgramAction = frontend::ParseSyntaxOnly;
908 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) {
909 switch (A->getOption().getID()) {
911 assert(0 && "Invalid option in group!");
913 Opts.ProgramAction = frontend::ASTDump; break;
915 Opts.ProgramAction = frontend::ASTPrint; break;
916 case OPT_ast_print_xml:
917 Opts.ProgramAction = frontend::ASTPrintXML; break;
919 Opts.ProgramAction = frontend::ASTView; break;
921 Opts.ProgramAction = frontend::BoostCon; break;
922 case OPT_dump_raw_tokens:
923 Opts.ProgramAction = frontend::DumpRawTokens; break;
924 case OPT_dump_tokens:
925 Opts.ProgramAction = frontend::DumpTokens; break;
927 Opts.ProgramAction = frontend::EmitAssembly; break;
928 case OPT_emit_llvm_bc:
929 Opts.ProgramAction = frontend::EmitBC; break;
931 Opts.ProgramAction = frontend::EmitHTML; break;
933 Opts.ProgramAction = frontend::EmitLLVM; break;
934 case OPT_emit_llvm_only:
935 Opts.ProgramAction = frontend::EmitLLVMOnly; break;
936 case OPT_emit_codegen_only:
937 Opts.ProgramAction = frontend::EmitCodeGenOnly; break;
939 Opts.ProgramAction = frontend::EmitObj; break;
941 Opts.FixItSuffix = A->getValue(Args);
944 Opts.ProgramAction = frontend::FixIt; break;
946 Opts.ProgramAction = frontend::GeneratePCH; break;
948 Opts.ProgramAction = frontend::GeneratePTH; break;
950 Opts.ProgramAction = frontend::InitOnly; break;
952 Opts.ProgramAction = frontend::ParseNoop; break;
953 case OPT_parse_print_callbacks:
954 Opts.ProgramAction = frontend::ParsePrintCallbacks; break;
955 case OPT_fsyntax_only:
956 Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
957 case OPT_print_decl_contexts:
958 Opts.ProgramAction = frontend::PrintDeclContext; break;
960 Opts.ProgramAction = frontend::PrintPreprocessedInput; break;
961 case OPT_rewrite_macros:
962 Opts.ProgramAction = frontend::RewriteMacros; break;
963 case OPT_rewrite_objc:
964 Opts.ProgramAction = frontend::RewriteObjC; break;
965 case OPT_rewrite_test:
966 Opts.ProgramAction = frontend::RewriteTest; break;
968 Opts.ProgramAction = frontend::RunAnalysis; break;
970 Opts.ProgramAction = frontend::RunPreprocessorOnly; break;
973 if (const Arg *A = Args.getLastArg(OPT_plugin)) {
974 Opts.ProgramAction = frontend::PluginAction;
975 Opts.ActionName = A->getValue(Args);
978 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
979 Opts.CodeCompletionAt =
980 ParsedSourceLocation::FromString(A->getValue(Args));
981 if (Opts.CodeCompletionAt.FileName.empty())
982 Diags.Report(diag::err_drv_invalid_value)
983 << A->getAsString(Args) << A->getValue(Args);
985 Opts.DebugCodeCompletionPrinter =
986 !Args.hasArg(OPT_no_code_completion_debug_printer);
987 Opts.DisableFree = Args.hasArg(OPT_disable_free);
989 Opts.OutputFile = Args.getLastArgValue(OPT_o);
990 Opts.Plugins = Args.getAllArgValues(OPT_load);
991 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch);
992 Opts.ShowHelp = Args.hasArg(OPT_help);
993 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros);
994 Opts.ShowCodePatternsInCodeCompletion
995 = Args.hasArg(OPT_code_completion_patterns);
996 Opts.ShowStats = Args.hasArg(OPT_print_stats);
997 Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
998 Opts.ShowVersion = Args.hasArg(OPT_version);
999 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view);
1000 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge);
1001 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
1003 FrontendOptions::InputKind DashX = FrontendOptions::IK_None;
1004 if (const Arg *A = Args.getLastArg(OPT_x)) {
1005 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args))
1006 .Case("c", FrontendOptions::IK_C)
1007 .Case("cl", FrontendOptions::IK_OpenCL)
1008 .Case("c", FrontendOptions::IK_C)
1009 .Case("cl", FrontendOptions::IK_OpenCL)
1010 .Case("c++", FrontendOptions::IK_CXX)
1011 .Case("objective-c", FrontendOptions::IK_ObjC)
1012 .Case("objective-c++", FrontendOptions::IK_ObjCXX)
1013 .Case("cpp-output", FrontendOptions::IK_PreprocessedC)
1014 .Case("assembler-with-cpp", FrontendOptions::IK_Asm)
1015 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX)
1016 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC)
1017 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX)
1018 .Case("c-header", FrontendOptions::IK_C)
1019 .Case("objective-c-header", FrontendOptions::IK_ObjC)
1020 .Case("c++-header", FrontendOptions::IK_CXX)
1021 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX)
1022 .Case("ast", FrontendOptions::IK_AST)
1023 .Default(FrontendOptions::IK_None);
1024 if (DashX == FrontendOptions::IK_None)
1025 Diags.Report(diag::err_drv_invalid_value)
1026 << A->getAsString(Args) << A->getValue(Args);
1029 // '-' is the default input if none is given.
1030 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT);
1031 Opts.Inputs.clear();
1033 Inputs.push_back("-");
1034 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
1035 FrontendOptions::InputKind IK = DashX;
1036 if (IK == FrontendOptions::IK_None) {
1037 IK = FrontendOptions::getInputKindForExtension(
1038 llvm::StringRef(Inputs[i]).rsplit('.').second);
1039 // FIXME: Remove this hack.
1043 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i]));
1049 std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
1051 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr);
1054 P.eraseComponent(); // Remove /clang from foo/bin/clang
1055 P.eraseComponent(); // Remove /bin from foo/bin
1057 // Get foo/lib/clang/<version>/include
1058 P.appendComponent("lib");
1059 P.appendComponent("clang");
1060 P.appendComponent(CLANG_VERSION_STRING);
1066 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
1067 using namespace cc1options;
1068 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/");
1069 Opts.Verbose = Args.hasArg(OPT_v);
1070 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
1071 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc);
1072 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx);
1073 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir);
1075 // Add -I... and -F... options in order.
1076 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F),
1077 ie = Args.filtered_end(); it != ie; ++it)
1078 Opts.AddPath(it->getValue(Args), frontend::Angled, true,
1079 /*IsFramework=*/ it->getOption().matches(OPT_F));
1081 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options.
1082 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
1083 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix,
1084 OPT_iwithprefixbefore),
1085 ie = Args.filtered_end(); it != ie; ++it) {
1086 if (it->getOption().matches(OPT_iprefix))
1087 Prefix = it->getValue(Args);
1088 else if (it->getOption().matches(OPT_iwithprefix))
1089 Opts.AddPath(Prefix.str() + it->getValue(Args),
1090 frontend::System, false, false);
1092 Opts.AddPath(Prefix.str() + it->getValue(Args),
1093 frontend::Angled, false, false);
1096 for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
1097 ie = Args.filtered_end(); it != ie; ++it)
1098 Opts.AddPath(it->getValue(Args), frontend::After, true, false);
1099 for (arg_iterator it = Args.filtered_begin(OPT_iquote),
1100 ie = Args.filtered_end(); it != ie; ++it)
1101 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false);
1102 for (arg_iterator it = Args.filtered_begin(OPT_isystem),
1103 ie = Args.filtered_end(); it != ie; ++it)
1104 Opts.AddPath(it->getValue(Args), frontend::System, true, false);
1106 // FIXME: Need options for the various environment variables!
1109 static void ParseLangArgs(LangOptions &Opts, ArgList &Args,
1110 FrontendOptions::InputKind IK,
1111 Diagnostic &Diags) {
1112 // FIXME: Cleanup per-file based stuff.
1114 // Set some properties which depend soley on the input kind; it would be nice
1115 // to move these to the language standard, and have the driver resolve the
1116 // input kind + language standard.
1117 if (IK == FrontendOptions::IK_Asm) {
1118 Opts.AsmPreprocessor = 1;
1119 } else if (IK == FrontendOptions::IK_ObjC ||
1120 IK == FrontendOptions::IK_ObjCXX ||
1121 IK == FrontendOptions::IK_PreprocessedObjC ||
1122 IK == FrontendOptions::IK_PreprocessedObjCXX) {
1123 Opts.ObjC1 = Opts.ObjC2 = 1;
1126 LangStandard::Kind LangStd = LangStandard::lang_unspecified;
1127 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) {
1128 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args))
1129 #define LANGSTANDARD(id, name, desc, features) \
1130 .Case(name, LangStandard::lang_##id)
1131 #include "clang/Frontend/LangStandards.def"
1132 .Default(LangStandard::lang_unspecified);
1133 if (LangStd == LangStandard::lang_unspecified)
1134 Diags.Report(diag::err_drv_invalid_value)
1135 << A->getAsString(Args) << A->getValue(Args);
1138 if (LangStd == LangStandard::lang_unspecified) {
1139 // Based on the base language, pick one.
1141 case FrontendOptions::IK_None:
1142 case FrontendOptions::IK_AST:
1143 assert(0 && "Invalid input kind!");
1144 case FrontendOptions::IK_OpenCL:
1145 LangStd = LangStandard::lang_opencl;
1147 case FrontendOptions::IK_Asm:
1148 case FrontendOptions::IK_C:
1149 case FrontendOptions::IK_PreprocessedC:
1150 case FrontendOptions::IK_ObjC:
1151 case FrontendOptions::IK_PreprocessedObjC:
1152 LangStd = LangStandard::lang_gnu99;
1154 case FrontendOptions::IK_CXX:
1155 case FrontendOptions::IK_PreprocessedCXX:
1156 case FrontendOptions::IK_ObjCXX:
1157 case FrontendOptions::IK_PreprocessedObjCXX:
1158 LangStd = LangStandard::lang_gnucxx98;
1163 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
1164 Opts.BCPLComment = Std.hasBCPLComments();
1165 Opts.C99 = Std.isC99();
1166 Opts.CPlusPlus = Std.isCPlusPlus();
1167 Opts.CPlusPlus0x = Std.isCPlusPlus0x();
1168 Opts.Digraphs = Std.hasDigraphs();
1169 Opts.GNUMode = Std.isGNUMode();
1170 Opts.GNUInline = !Std.isC99();
1171 Opts.HexFloats = Std.hasHexFloats();
1172 Opts.ImplicitInt = Std.hasImplicitInt();
1174 // OpenCL has some additional defaults.
1175 if (LangStd == LangStandard::lang_opencl) {
1178 Opts.CXXOperatorNames = 1;
1179 Opts.LaxVectorConversions = 1;
1182 // OpenCL and C++ both have bool, true, false keywords.
1183 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
1185 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension
1186 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag,
1187 // while a subset (the non-C++ GNU keywords) is provided by GCC's
1188 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single
1189 // name, as it doesn't seem a useful distinction.
1190 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords,
1194 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names);
1196 if (Args.hasArg(OPT_fobjc_gc_only))
1197 Opts.setGCMode(LangOptions::GCOnly);
1198 else if (Args.hasArg(OPT_fobjc_gc))
1199 Opts.setGCMode(LangOptions::HybridGC);
1201 if (Args.hasArg(OPT_print_ivar_layout))
1202 Opts.ObjCGCBitmapPrint = 1;
1203 if (Args.hasArg(OPT_fno_constant_cfstrings))
1204 Opts.NoConstantCFStrings = 1;
1206 if (Args.hasArg(OPT_faltivec))
1209 if (Args.hasArg(OPT_pthread))
1210 Opts.POSIXThreads = 1;
1212 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default");
1213 if (Vis == "default")
1214 Opts.setVisibilityMode(LangOptions::Default);
1215 else if (Vis == "hidden")
1216 Opts.setVisibilityMode(LangOptions::Hidden);
1217 else if (Vis == "protected")
1218 Opts.setVisibilityMode(LangOptions::Protected);
1220 Diags.Report(diag::err_drv_invalid_value)
1221 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis;
1223 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv);
1225 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs
1226 // is specified, or -std is set to a conforming mode.
1227 Opts.Trigraphs = !Opts.GNUMode;
1228 if (Args.hasArg(OPT_trigraphs))
1231 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers,
1232 OPT_fno_dollars_in_identifiers,
1233 !Opts.AsmPreprocessor);
1234 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
1235 Opts.Microsoft = Args.hasArg(OPT_fms_extensions);
1236 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);
1237 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings);
1238 if (Args.hasArg(OPT_fno_lax_vector_conversions))
1239 Opts.LaxVectorConversions = 0;
1240 if (Args.hasArg(OPT_fno_threadsafe_statics))
1241 Opts.ThreadsafeStatics = 0;
1242 Opts.Exceptions = Args.hasArg(OPT_fexceptions);
1243 Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
1244 Opts.Blocks = Args.hasArg(OPT_fblocks);
1245 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char);
1246 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
1247 Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
1248 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
1249 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
1250 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
1251 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control);
1252 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);
1253 Opts.MathErrno = Args.hasArg(OPT_fmath_errno);
1254 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024,
1256 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime);
1257 Opts.ObjCConstantStringClass =
1258 Args.getLastArgValue(OPT_fconstant_string_class);
1259 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi);
1260 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2);
1261 if (Opts.ObjCNonFragileABI2)
1262 Opts.ObjCNonFragileABI = true;
1263 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior);
1264 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
1265 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags);
1266 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
1267 Opts.Static = Args.hasArg(OPT_static_define);
1268 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts);
1269 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts);
1270 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align);
1271 Opts.OptimizeSize = 0;
1273 // FIXME: Eliminate this dependency.
1275 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags);
1276 Opts.Optimize = Opt != 0;
1278 // This is the __NO_INLINE__ define, which just depends on things like the
1279 // optimization level and -fno-inline, not actually whether the backend has
1280 // inlining enabled.
1282 // FIXME: This is affected by other options (-fno-inline).
1283 Opts.NoInline = !Opt;
1285 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags);
1288 Diags.Report(diag::err_drv_invalid_value)
1289 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP;
1291 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break;
1292 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break;
1293 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break;
1297 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
1298 Diagnostic &Diags) {
1299 using namespace cc1options;
1300 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch);
1301 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth);
1302 if (const Arg *A = Args.getLastArg(OPT_token_cache))
1303 Opts.TokenCache = A->getValue(Args);
1305 Opts.TokenCache = Opts.ImplicitPTHInclude;
1306 Opts.UsePredefines = !Args.hasArg(OPT_undef);
1307 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
1308 // Add macros from the command line.
1309 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U),
1310 ie = Args.filtered_end(); it != ie; ++it) {
1311 if (it->getOption().matches(OPT_D))
1312 Opts.addMacroDef(it->getValue(Args));
1314 Opts.addMacroUndef(it->getValue(Args));
1317 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros);
1319 // Add the ordered list of -includes.
1320 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch,
1322 ie = Args.filtered_end(); it != ie; ++it) {
1323 // PCH is handled specially, we need to extra the original include path.
1324 if (it->getOption().matches(OPT_include_pch)) {
1325 std::string OriginalFile =
1326 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags);
1327 if (OriginalFile.empty())
1330 Opts.Includes.push_back(OriginalFile);
1332 Opts.Includes.push_back(it->getValue(Args));
1335 // Include 'altivec.h' if -faltivec option present
1336 if (Args.hasArg(OPT_faltivec))
1337 Opts.Includes.push_back("altivec.h");
1339 for (arg_iterator it = Args.filtered_begin(OPT_remap_file),
1340 ie = Args.filtered_end(); it != ie; ++it) {
1341 std::pair<llvm::StringRef,llvm::StringRef> Split =
1342 llvm::StringRef(it->getValue(Args)).split(';');
1344 if (Split.second.empty()) {
1345 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args);
1349 Opts.addRemappedFile(Split.first, Split.second);
1353 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
1355 using namespace cc1options;
1356 Opts.ShowCPP = !Args.hasArg(OPT_dM);
1357 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
1358 Opts.ShowLineMarkers = !Args.hasArg(OPT_P);
1359 Opts.ShowComments = Args.hasArg(OPT_C);
1360 Opts.ShowMacroComments = Args.hasArg(OPT_CC);
1363 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) {
1364 using namespace cc1options;
1365 Opts.ABI = Args.getLastArgValue(OPT_target_abi);
1366 Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
1367 Opts.Triple = Args.getLastArgValue(OPT_triple);
1368 Opts.Features = Args.getAllArgValues(OPT_target_feature);
1370 // Use the host triple if unspecified.
1371 if (Opts.Triple.empty())
1372 Opts.Triple = llvm::sys::getHostTriple();
1377 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
1378 const char **ArgBegin,
1379 const char **ArgEnd,
1380 Diagnostic &Diags) {
1381 // Parse the arguments.
1382 llvm::OwningPtr<OptTable> Opts(createCC1OptTable());
1383 unsigned MissingArgIndex, MissingArgCount;
1384 llvm::OwningPtr<InputArgList> Args(
1385 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount));
1387 // Check for missing argument error.
1388 if (MissingArgCount)
1389 Diags.Report(diag::err_drv_missing_argument)
1390 << Args->getArgString(MissingArgIndex) << MissingArgCount;
1392 // Issue errors on unknown arguments.
1393 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN),
1394 ie = Args->filtered_end(); it != ie; ++it)
1395 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args);
1397 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags);
1398 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags);
1399 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
1400 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags);
1401 FrontendOptions::InputKind DashX =
1402 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
1403 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
1404 if (DashX != FrontendOptions::IK_AST)
1405 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags);
1406 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags);
1407 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args);
1408 ParseTargetArgs(Res.getTargetOpts(), *Args);