Check in LLVM r95781.
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
new file mode 100644
index 0000000..35cfee8
--- /dev/null
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -0,0 +1,1327 @@
+//===--- CompilerInvocation.cpp -------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Frontend/CompilerInvocation.h"
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/Version.h"
+#include "clang/Driver/Arg.h"
+#include "clang/Driver/ArgList.h"
+#include "clang/Driver/CC1Options.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/OptTable.h"
+#include "clang/Driver/Option.h"
+#include "clang/Frontend/CompilerInvocation.h"
+#include "clang/Frontend/LangStandard.h"
+#include "clang/Frontend/PCHReader.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/System/Host.h"
+#include "llvm/System/Path.h"
+using namespace clang;
+
+static const char *getAnalysisName(Analyses Kind) {
+ switch (Kind) {
+ default:
+ llvm_unreachable("Unknown analysis kind!");
+#define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\
+ case NAME: return "-" CMDFLAG;
+#include "clang/Frontend/Analyses.def"
+ }
+}
+
+static const char *getAnalysisStoreName(AnalysisStores Kind) {
+ switch (Kind) {
+ default:
+ llvm_unreachable("Unknown analysis store!");
+#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
+ case NAME##Model: return CMDFLAG;
+#include "clang/Frontend/Analyses.def"
+ }
+}
+
+static const char *getAnalysisConstraintName(AnalysisConstraints Kind) {
+ switch (Kind) {
+ default:
+ llvm_unreachable("Unknown analysis constraints!");
+#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
+ case NAME##Model: return CMDFLAG;
+#include "clang/Frontend/Analyses.def"
+ }
+}
+
+static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) {
+ switch (Kind) {
+ default:
+ llvm_unreachable("Unknown analysis client!");
+#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \
+ case PD_##NAME: return CMDFLAG;
+#include "clang/Frontend/Analyses.def"
+ }
+}
+
+//===----------------------------------------------------------------------===//
+// Serialization (to args)
+//===----------------------------------------------------------------------===//
+
+static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts,
+ std::vector<std::string> &Res) {
+ for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i)
+ Res.push_back(getAnalysisName(Opts.AnalysisList[i]));
+ if (Opts.AnalysisStoreOpt != BasicStoreModel) {
+ Res.push_back("-analyzer-store");
+ Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt));
+ }
+ if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) {
+ Res.push_back("-analyzer-constraints");
+ Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt));
+ }
+ if (Opts.AnalysisDiagOpt != PD_HTML) {
+ Res.push_back("-analyzer-output");
+ Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt));
+ }
+ if (!Opts.AnalyzeSpecificFunction.empty()) {
+ Res.push_back("-analyze-function");
+ Res.push_back(Opts.AnalyzeSpecificFunction);
+ }
+ if (Opts.AnalyzeAll)
+ Res.push_back("-analyzer-opt-analyze-headers");
+ if (Opts.AnalyzerDisplayProgress)
+ Res.push_back("-analyzer-display-progress");
+ if (Opts.AnalyzeNestedBlocks)
+ Res.push_back("-analyzer-opt-analyze-nested-blocks");
+ if (Opts.EagerlyAssume)
+ Res.push_back("-analyzer-eagerly-assume");
+ if (!Opts.PurgeDead)
+ Res.push_back("-analyzer-no-purge-dead");
+ if (Opts.TrimGraph)
+ Res.push_back("-trim-egraph");
+ if (Opts.VisualizeEGDot)
+ Res.push_back("-analyzer-viz-egraph-graphviz");
+ if (Opts.VisualizeEGDot)
+ Res.push_back("-analyzer-viz-egraph-ubigraph");
+ if (Opts.EnableExperimentalChecks)
+ Res.push_back("-analyzer-experimental-checks");
+ if (Opts.EnableExperimentalInternalChecks)
+ Res.push_back("-analyzer-experimental-internal-checks");
+}
+
+static void CodeGenOptsToArgs(const CodeGenOptions &Opts,
+ std::vector<std::string> &Res) {
+ if (Opts.DebugInfo)
+ Res.push_back("-g");
+ if (Opts.DisableLLVMOpts)
+ Res.push_back("-disable-llvm-optzns");
+ if (Opts.DisableRedZone)
+ Res.push_back("-disable-red-zone");
+ if (!Opts.DwarfDebugFlags.empty()) {
+ Res.push_back("-dwarf-debug-flags");
+ Res.push_back(Opts.DwarfDebugFlags);
+ }
+ if (!Opts.MergeAllConstants)
+ Res.push_back("-fno-merge-all-constants");
+ if (Opts.NoCommon)
+ Res.push_back("-fno-common");
+ if (Opts.NoImplicitFloat)
+ Res.push_back("-no-implicit-float");
+ if (Opts.OptimizeSize) {
+ assert(Opts.OptimizationLevel == 2 && "Invalid options!");
+ Res.push_back("-Os");
+ } else if (Opts.OptimizationLevel != 0)
+ Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel));
+ if (!Opts.MainFileName.empty()) {
+ Res.push_back("-main-file-name");
+ Res.push_back(Opts.MainFileName);
+ }
+ // SimplifyLibCalls is only derived.
+ // TimePasses is only derived.
+ // UnitAtATime is unused.
+ // UnrollLoops is only derived.
+ // VerifyModule is only derived.
+ // Inlining is only derived.
+
+ if (Opts.AsmVerbose)
+ Res.push_back("-masm-verbose");
+ if (!Opts.CodeModel.empty()) {
+ Res.push_back("-mcode-model");
+ Res.push_back(Opts.CodeModel);
+ }
+ if (!Opts.DebugPass.empty()) {
+ Res.push_back("-mdebug-pass");
+ Res.push_back(Opts.DebugPass);
+ }
+ if (Opts.DisableFPElim)
+ Res.push_back("-mdisable-fp-elim");
+ if (!Opts.FloatABI.empty()) {
+ Res.push_back("-mfloat-abi");
+ Res.push_back(Opts.FloatABI);
+ }
+ if (!Opts.LimitFloatPrecision.empty()) {
+ Res.push_back("-mlimit-float-precision");
+ Res.push_back(Opts.LimitFloatPrecision);
+ }
+ if (Opts.NoZeroInitializedInBSS)
+ Res.push_back("-mno-zero-initialized-bss");
+ if (Opts.ObjCLegacyDispatch)
+ Res.push_back("-fobjc-legacy-dispatch");
+ if (Opts.SoftFloat)
+ Res.push_back("-msoft-float");
+ if (Opts.UnwindTables)
+ Res.push_back("-munwind-tables");
+ if (Opts.RelocationModel != "pic") {
+ Res.push_back("-mrelocation-model");
+ Res.push_back(Opts.RelocationModel);
+ }
+}
+
+static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts,
+ std::vector<std::string> &Res) {
+ if (Opts.IncludeSystemHeaders)
+ Res.push_back("-sys-header-deps");
+ if (Opts.UsePhonyTargets)
+ Res.push_back("-MP");
+ if (!Opts.OutputFile.empty()) {
+ Res.push_back("-dependency-file");
+ Res.push_back(Opts.OutputFile);
+ }
+ for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) {
+ Res.push_back("-MT");
+ Res.push_back(Opts.Targets[i]);
+ }
+}
+
+static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts,
+ std::vector<std::string> &Res) {
+ if (Opts.IgnoreWarnings)
+ Res.push_back("-w");
+ if (Opts.NoRewriteMacros)
+ Res.push_back("-Wno-rewrite-macros");
+ if (Opts.Pedantic)
+ Res.push_back("-pedantic");
+ if (Opts.PedanticErrors)
+ Res.push_back("-pedantic-errors");
+ if (!Opts.ShowColumn)
+ Res.push_back("-fno-show-column");
+ if (!Opts.ShowLocation)
+ Res.push_back("-fno-show-source-location");
+ if (!Opts.ShowCarets)
+ Res.push_back("-fno-caret-diagnostics");
+ if (!Opts.ShowFixits)
+ Res.push_back("-fno-diagnostics-fixit-info");
+ if (Opts.ShowSourceRanges)
+ Res.push_back("-fdiagnostics-print-source-range-info");
+ if (Opts.ShowColors)
+ Res.push_back("-fcolor-diagnostics");
+ if (Opts.VerifyDiagnostics)
+ Res.push_back("-verify");
+ if (Opts.BinaryOutput)
+ Res.push_back("-fdiagnostics-binary");
+ if (Opts.ShowOptionNames)
+ Res.push_back("-fdiagnostics-show-option");
+ if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) {
+ Res.push_back("-ftabstop");
+ Res.push_back(llvm::utostr(Opts.TabStop));
+ }
+ if (Opts.MessageLength) {
+ Res.push_back("-fmessage-length");
+ Res.push_back(llvm::utostr(Opts.MessageLength));
+ }
+ if (!Opts.DumpBuildInformation.empty()) {
+ Res.push_back("-dump-build-information");
+ Res.push_back(Opts.DumpBuildInformation);
+ }
+ for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i)
+ Res.push_back("-W" + Opts.Warnings[i]);
+}
+
+static const char *getInputKindName(FrontendOptions::InputKind Kind) {
+ switch (Kind) {
+ case FrontendOptions::IK_None: break;
+ case FrontendOptions::IK_AST: return "ast";
+ case FrontendOptions::IK_Asm: return "assembler-with-cpp";
+ case FrontendOptions::IK_C: return "c";
+ case FrontendOptions::IK_CXX: return "c++";
+ case FrontendOptions::IK_ObjC: return "objective-c";
+ case FrontendOptions::IK_ObjCXX: return "objective-c++";
+ case FrontendOptions::IK_OpenCL: return "cl";
+ case FrontendOptions::IK_PreprocessedC: return "cpp-output";
+ case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output";
+ case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output";
+ case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output";
+ }
+
+ llvm_unreachable("Unexpected language kind!");
+ return 0;
+}
+
+static const char *getActionName(frontend::ActionKind Kind) {
+ switch (Kind) {
+ case frontend::PluginAction:
+ case frontend::InheritanceView:
+ llvm_unreachable("Invalid kind!");
+
+ case frontend::ASTDump: return "-ast-dump";
+ case frontend::ASTPrint: return "-ast-print";
+ case frontend::ASTPrintXML: return "-ast-print-xml";
+ case frontend::ASTView: return "-ast-view";
+ case frontend::DumpRawTokens: return "-dump-raw-tokens";
+ case frontend::DumpRecordLayouts: return "-dump-record-layouts";
+ case frontend::DumpTokens: return "-dump-tokens";
+ case frontend::EmitAssembly: return "-S";
+ case frontend::EmitBC: return "-emit-llvm-bc";
+ case frontend::EmitHTML: return "-emit-html";
+ case frontend::EmitLLVM: return "-emit-llvm";
+ case frontend::EmitLLVMOnly: return "-emit-llvm-only";
+ case frontend::EmitObj: return "-emit-obj";
+ case frontend::FixIt: return "-fixit";
+ case frontend::GeneratePCH: return "-emit-pch";
+ case frontend::GeneratePTH: return "-emit-pth";
+ case frontend::ParseNoop: return "-parse-noop";
+ case frontend::ParsePrintCallbacks: return "-parse-print-callbacks";
+ case frontend::ParseSyntaxOnly: return "-fsyntax-only";
+ case frontend::PrintDeclContext: return "-print-decl-contexts";
+ case frontend::PrintPreprocessedInput: return "-E";
+ case frontend::RewriteMacros: return "-rewrite-macros";
+ case frontend::RewriteObjC: return "-rewrite-objc";
+ case frontend::RewriteTest: return "-rewrite-test";
+ case frontend::RunAnalysis: return "-analyze";
+ case frontend::RunPreprocessorOnly: return "-Eonly";
+ }
+
+ llvm_unreachable("Unexpected language kind!");
+ return 0;
+}
+
+static void FrontendOptsToArgs(const FrontendOptions &Opts,
+ std::vector<std::string> &Res) {
+ if (!Opts.DebugCodeCompletionPrinter)
+ Res.push_back("-no-code-completion-debug-printer");
+ if (Opts.DisableFree)
+ Res.push_back("-disable-free");
+ if (Opts.EmptyInputOnly)
+ Res.push_back("-empty-input-only");
+ if (Opts.RelocatablePCH)
+ Res.push_back("-relocatable-pch");
+ if (Opts.ShowHelp)
+ Res.push_back("-help");
+ if (Opts.ShowMacrosInCodeCompletion)
+ Res.push_back("-code-completion-macros");
+ if (Opts.ShowStats)
+ Res.push_back("-print-stats");
+ if (Opts.ShowTimers)
+ Res.push_back("-ftime-report");
+ if (Opts.ShowVersion)
+ Res.push_back("-version");
+
+ bool NeedLang = false;
+ for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i)
+ if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) !=
+ Opts.Inputs[i].first)
+ NeedLang = true;
+ if (NeedLang) {
+ Res.push_back("-x");
+ Res.push_back(getInputKindName(Opts.Inputs[0].first));
+ }
+ for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) {
+ assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) &&
+ "Unable to represent this input vector!");
+ Res.push_back(Opts.Inputs[i].second);
+ }
+
+ if (!Opts.OutputFile.empty()) {
+ Res.push_back("-o");
+ Res.push_back(Opts.OutputFile);
+ }
+ if (!Opts.ViewClassInheritance.empty()) {
+ Res.push_back("-cxx-inheritance-view");
+ Res.push_back(Opts.ViewClassInheritance);
+ }
+ for (unsigned i = 0, e = Opts.FixItLocations.size(); i != e; ++i) {
+ Res.push_back("-fixit-at");
+ Res.push_back(Opts.FixItLocations[i].FileName + ":" +
+ llvm::utostr(Opts.FixItLocations[i].Line) + ":" +
+ llvm::utostr(Opts.FixItLocations[i].Column));
+ }
+ if (!Opts.CodeCompletionAt.FileName.empty()) {
+ Res.push_back("-code-completion-at");
+ Res.push_back(Opts.CodeCompletionAt.FileName + ":" +
+ llvm::utostr(Opts.CodeCompletionAt.Line) + ":" +
+ llvm::utostr(Opts.CodeCompletionAt.Column));
+ }
+ if (Opts.ProgramAction != frontend::InheritanceView &&
+ Opts.ProgramAction != frontend::PluginAction)
+ Res.push_back(getActionName(Opts.ProgramAction));
+ if (!Opts.ActionName.empty()) {
+ Res.push_back("-plugin");
+ Res.push_back(Opts.ActionName);
+ }
+ for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) {
+ Res.push_back("-load");
+ Res.push_back(Opts.Plugins[i]);
+ }
+ for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) {
+ Res.push_back("-ast-merge");
+ Res.push_back(Opts.ASTMergeFiles[i]);
+ }
+}
+
+static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts,
+ std::vector<std::string> &Res) {
+ if (Opts.Sysroot != "/") {
+ Res.push_back("-isysroot");
+ Res.push_back(Opts.Sysroot);
+ }
+
+ /// User specified include entries.
+ for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) {
+ const HeaderSearchOptions::Entry &E = Opts.UserEntries[i];
+ if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied))
+ llvm::llvm_report_error("Invalid option set!");
+ if (E.IsUserSupplied) {
+ if (E.Group == frontend::After) {
+ Res.push_back("-idirafter");
+ } else if (E.Group == frontend::Quoted) {
+ Res.push_back("-iquote");
+ } else if (E.Group == frontend::System) {
+ Res.push_back("-isystem");
+ } else {
+ assert(E.Group == frontend::Angled && "Invalid group!");
+ Res.push_back(E.IsFramework ? "-F" : "-I");
+ }
+ } else {
+ if (E.Group != frontend::Angled && E.Group != frontend::System)
+ llvm::llvm_report_error("Invalid option set!");
+ Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" :
+ "-iwithprefix");
+ }
+ Res.push_back(E.Path);
+ }
+
+ if (!Opts.EnvIncPath.empty()) {
+ // FIXME: Provide an option for this, and move env detection to driver.
+ llvm::llvm_report_error("Not yet implemented!");
+ }
+ if (!Opts.CEnvIncPath.empty()) {
+ // FIXME: Provide an option for this, and move env detection to driver.
+ llvm::llvm_report_error("Not yet implemented!");
+ }
+ if (!Opts.ObjCEnvIncPath.empty()) {
+ // FIXME: Provide an option for this, and move env detection to driver.
+ llvm::llvm_report_error("Not yet implemented!");
+ }
+ if (!Opts.CXXEnvIncPath.empty()) {
+ // FIXME: Provide an option for this, and move env detection to driver.
+ llvm::llvm_report_error("Not yet implemented!");
+ }
+ if (!Opts.ObjCXXEnvIncPath.empty()) {
+ // FIXME: Provide an option for this, and move env detection to driver.
+ llvm::llvm_report_error("Not yet implemented!");
+ }
+ if (!Opts.ResourceDir.empty()) {
+ Res.push_back("-resource-dir");
+ Res.push_back(Opts.ResourceDir);
+ }
+ if (!Opts.UseStandardIncludes)
+ Res.push_back("-nostdinc");
+ if (Opts.Verbose)
+ Res.push_back("-v");
+}
+
+static void LangOptsToArgs(const LangOptions &Opts,
+ std::vector<std::string> &Res) {
+ LangOptions DefaultLangOpts;
+
+ // FIXME: Need to set -std to get all the implicit options.
+
+ // FIXME: We want to only pass options relative to the defaults, which
+ // requires constructing a target. :(
+ //
+ // It would be better to push the all target specific choices into the driver,
+ // so that everything below that was more uniform.
+
+ if (Opts.Trigraphs)
+ Res.push_back("-trigraphs");
+ // Implicit based on the input kind:
+ // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL
+ // Implicit based on the input language standard:
+ // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode
+ if (Opts.DollarIdents)
+ Res.push_back("-fdollars-in-identifiers");
+ if (Opts.Microsoft)
+ Res.push_back("-fms-extensions");
+ if (Opts.ObjCNonFragileABI)
+ Res.push_back("-fobjc-nonfragile-abi");
+ if (Opts.ObjCNonFragileABI2)
+ Res.push_back("-fobjc-nonfragile-abi2");
+ // NoInline is implicit.
+ if (!Opts.CXXOperatorNames)
+ Res.push_back("-fno-operator-names");
+ if (Opts.PascalStrings)
+ Res.push_back("-fpascal-strings");
+ if (Opts.CatchUndefined)
+ Res.push_back("-fcatch-undefined-behavior");
+ if (Opts.WritableStrings)
+ Res.push_back("-fwritable-strings");
+ if (!Opts.LaxVectorConversions)
+ Res.push_back("-fno-lax-vector-conversions");
+ if (Opts.AltiVec)
+ Res.push_back("-faltivec");
+ if (Opts.Exceptions)
+ Res.push_back("-fexceptions");
+ if (!Opts.RTTI)
+ Res.push_back("-fno-rtti");
+ if (!Opts.NeXTRuntime)
+ Res.push_back("-fgnu-runtime");
+ if (Opts.Freestanding)
+ Res.push_back("-ffreestanding");
+ if (Opts.NoBuiltin)
+ Res.push_back("-fno-builtin");
+ if (!Opts.AssumeSaneOperatorNew)
+ Res.push_back("-fno-assume-sane-operator-new");
+ if (!Opts.ThreadsafeStatics)
+ Res.push_back("-fno-threadsafe-statics");
+ if (Opts.POSIXThreads)
+ Res.push_back("-pthread");
+ if (Opts.Blocks)
+ Res.push_back("-fblocks");
+ if (Opts.EmitAllDecls)
+ Res.push_back("-femit-all-decls");
+ if (Opts.MathErrno)
+ Res.push_back("-fmath-errno");
+ if (Opts.OverflowChecking)
+ Res.push_back("-ftrapv");
+ if (Opts.HeinousExtensions)
+ Res.push_back("-fheinous-gnu-extensions");
+ // Optimize is implicit.
+ // OptimizeSize is implicit.
+ if (Opts.Static)
+ Res.push_back("-static-define");
+ if (Opts.PICLevel) {
+ Res.push_back("-pic-level");
+ Res.push_back(llvm::utostr(Opts.PICLevel));
+ }
+ if (Opts.ObjCGCBitmapPrint)
+ Res.push_back("-print-ivar-layout");
+ // FIXME: Don't forget to update when the default changes!
+ if (Opts.AccessControl)
+ Res.push_back("-faccess-control");
+ if (!Opts.CharIsSigned)
+ Res.push_back("-fno-signed-char");
+ if (Opts.ShortWChar)
+ Res.push_back("-fshort-wchar");
+ if (!Opts.ElideConstructors)
+ Res.push_back("-fno-elide-constructors");
+ if (Opts.getGCMode() != LangOptions::NonGC) {
+ if (Opts.getGCMode() == LangOptions::HybridGC) {
+ Res.push_back("-fobjc-gc");
+ } else {
+ assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!");
+ Res.push_back("-fobjc-gc-only");
+ }
+ }
+ if (Opts.getVisibilityMode() != LangOptions::Default) {
+ Res.push_back("-fvisibility");
+ if (Opts.getVisibilityMode() == LangOptions::Hidden) {
+ Res.push_back("hidden");
+ } else {
+ assert(Opts.getVisibilityMode() == LangOptions::Protected &&
+ "Invalid visibility!");
+ Res.push_back("protected");
+ }
+ }
+ if (Opts.getStackProtectorMode() != 0) {
+ Res.push_back("-stack-protector");
+ Res.push_back(llvm::utostr(Opts.getStackProtectorMode()));
+ }
+ if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) {
+ Res.push_back("-ftemplate-depth");
+ Res.push_back(llvm::utostr(Opts.InstantiationDepth));
+ }
+ if (!Opts.ObjCConstantStringClass.empty()) {
+ Res.push_back("-fconstant-string-class");
+ Res.push_back(Opts.ObjCConstantStringClass);
+ }
+}
+
+static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts,
+ std::vector<std::string> &Res) {
+ for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i)
+ Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") +
+ Opts.Macros[i].first);
+ for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) {
+ // FIXME: We need to avoid reincluding the implicit PCH and PTH includes.
+ Res.push_back("-include");
+ Res.push_back(Opts.Includes[i]);
+ }
+ for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) {
+ Res.push_back("-imacros");
+ Res.push_back(Opts.MacroIncludes[i]);
+ }
+ if (!Opts.UsePredefines)
+ Res.push_back("-undef");
+ if (!Opts.ImplicitPCHInclude.empty()) {
+ Res.push_back("-include-pch");
+ Res.push_back(Opts.ImplicitPCHInclude);
+ }
+ if (!Opts.ImplicitPTHInclude.empty()) {
+ Res.push_back("-include-pth");
+ Res.push_back(Opts.ImplicitPTHInclude);
+ }
+ if (!Opts.TokenCache.empty()) {
+ if (Opts.ImplicitPTHInclude.empty()) {
+ Res.push_back("-token-cache");
+ Res.push_back(Opts.TokenCache);
+ } else
+ assert(Opts.ImplicitPTHInclude == Opts.TokenCache &&
+ "Unsupported option combination!");
+ }
+ for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) {
+ Res.push_back("-remap-file");
+ Res.push_back(Opts.RemappedFiles[i].first + ";" +
+ Opts.RemappedFiles[i].second);
+ }
+}
+
+static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts,
+ std::vector<std::string> &Res) {
+ if (!Opts.ShowCPP && !Opts.ShowMacros)
+ llvm::llvm_report_error("Invalid option combination!");
+
+ if (Opts.ShowCPP && Opts.ShowMacros)
+ Res.push_back("-dD");
+ else if (!Opts.ShowCPP && Opts.ShowMacros)
+ Res.push_back("-dM");
+
+ if (!Opts.ShowLineMarkers)
+ Res.push_back("-P");
+ if (Opts.ShowComments)
+ Res.push_back("-C");
+ if (Opts.ShowMacroComments)
+ Res.push_back("-CC");
+}
+
+static void TargetOptsToArgs(const TargetOptions &Opts,
+ std::vector<std::string> &Res) {
+ Res.push_back("-triple");
+ Res.push_back(Opts.Triple);
+ if (!Opts.CPU.empty()) {
+ Res.push_back("-target-cpu");
+ Res.push_back(Opts.CPU);
+ }
+ if (!Opts.ABI.empty()) {
+ Res.push_back("-target-abi");
+ Res.push_back(Opts.ABI);
+ }
+ for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) {
+ Res.push_back("-target-feature");
+ Res.push_back(Opts.Features[i]);
+ }
+}
+
+void CompilerInvocation::toArgs(std::vector<std::string> &Res) {
+ AnalyzerOptsToArgs(getAnalyzerOpts(), Res);
+ CodeGenOptsToArgs(getCodeGenOpts(), Res);
+ DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res);
+ DiagnosticOptsToArgs(getDiagnosticOpts(), Res);
+ FrontendOptsToArgs(getFrontendOpts(), Res);
+ HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res);
+ LangOptsToArgs(getLangOpts(), Res);
+ PreprocessorOptsToArgs(getPreprocessorOpts(), Res);
+ PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res);
+ TargetOptsToArgs(getTargetOpts(), Res);
+}
+
+//===----------------------------------------------------------------------===//
+// Deserialization (to args)
+//===----------------------------------------------------------------------===//
+
+using namespace clang::driver;
+using namespace clang::driver::cc1options;
+
+static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID,
+ llvm::StringRef Default = "") {
+ if (Arg *A = Args.getLastArg(ID))
+ return A->getValue(Args);
+ return Default;
+}
+
+static int getLastArgIntValue(ArgList &Args, cc1options::ID ID,
+ int Default, Diagnostic &Diags) {
+ Arg *A = Args.getLastArg(ID);
+ if (!A)
+ return Default;
+
+ int Res = Default;
+ if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res))
+ Diags.Report(diag::err_drv_invalid_int_value)
+ << A->getAsString(Args) << A->getValue(Args);
+
+ return Res;
+}
+
+static std::vector<std::string>
+getAllArgValues(ArgList &Args, cc1options::ID ID) {
+ llvm::SmallVector<const char *, 16> Values;
+ Args.AddAllArgValues(Values, ID);
+ return std::vector<std::string>(Values.begin(), Values.end());
+}
+
+//
+
+static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
+ Diagnostic &Diags) {
+ using namespace cc1options;
+
+ Opts.AnalysisList.clear();
+#define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \
+ if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME);
+#include "clang/Frontend/Analyses.def"
+
+ if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
+ llvm::StringRef Name = A->getValue(Args);
+ AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
+#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
+ .Case(CMDFLAG, NAME##Model)
+#include "clang/Frontend/Analyses.def"
+ .Default(NumStores);
+ // FIXME: Error handling.
+ if (Value == NumStores)
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
+ else
+ Opts.AnalysisStoreOpt = Value;
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
+ llvm::StringRef Name = A->getValue(Args);
+ AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
+#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
+ .Case(CMDFLAG, NAME##Model)
+#include "clang/Frontend/Analyses.def"
+ .Default(NumConstraints);
+ // FIXME: Error handling.
+ if (Value == NumConstraints)
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
+ else
+ Opts.AnalysisConstraintsOpt = Value;
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
+ llvm::StringRef Name = A->getValue(Args);
+ AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
+#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \
+ .Case(CMDFLAG, PD_##NAME)
+#include "clang/Frontend/Analyses.def"
+ .Default(NUM_ANALYSIS_DIAG_CLIENTS);
+ // FIXME: Error handling.
+ if (Value == NUM_ANALYSIS_DIAG_CLIENTS)
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_O)->getAsString(Args) << Name;
+ else
+ Opts.AnalysisDiagOpt = Value;
+ }
+
+ Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz);
+ Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph);
+ Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers);
+ Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress);
+ Opts.AnalyzeNestedBlocks =
+ Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks);
+ Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead);
+ Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume);
+ Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function);
+ Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks);
+ Opts.EnableExperimentalInternalChecks =
+ Args.hasArg(OPT_analyzer_experimental_internal_checks);
+ Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
+}
+
+static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args,
+ Diagnostic &Diags) {
+ using namespace cc1options;
+ // -Os implies -O2
+ if (Args.hasArg(OPT_Os))
+ Opts.OptimizationLevel = 2;
+ else {
+ Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags);
+ if (Opts.OptimizationLevel > 3) {
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel;
+ Opts.OptimizationLevel = 3;
+ }
+ }
+
+ // We must always run at least the always inlining pass.
+ Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
+ : CodeGenOptions::OnlyAlwaysInlining;
+
+ Opts.DebugInfo = Args.hasArg(OPT_g);
+ Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
+ Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
+ Opts.DwarfDebugFlags = getLastArgValue(Args, OPT_dwarf_debug_flags);
+ Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants);
+ Opts.NoCommon = Args.hasArg(OPT_fno_common);
+ Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
+ Opts.OptimizeSize = Args.hasArg(OPT_Os);
+ Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize);
+
+ Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
+ Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model);
+ Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass);
+ Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
+ Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi);
+ Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision);
+ Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
+ Opts.ObjCLegacyDispatch = Args.hasArg(OPT_fobjc_legacy_dispatch);
+ Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
+ Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
+ Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic");
+
+ Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name);
+
+ // FIXME: Put elsewhere?
+#ifdef NDEBUG
+ Opts.VerifyModule = 0;
+#else
+ Opts.VerifyModule = 1;
+#endif
+}
+
+static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
+ ArgList &Args) {
+ using namespace cc1options;
+ Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file);
+ Opts.Targets = getAllArgValues(Args, OPT_MT);
+ Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
+ Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
+}
+
+static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
+ Diagnostic &Diags) {
+ using namespace cc1options;
+ Opts.IgnoreWarnings = Args.hasArg(OPT_w);
+ Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros);
+ Opts.Pedantic = Args.hasArg(OPT_pedantic);
+ Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors);
+ Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics);
+ Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics);
+ Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column);
+ Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info);
+ Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location);
+ Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
+ Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
+ Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
+ Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary);
+ Opts.TabStop = getLastArgIntValue(Args, OPT_ftabstop,
+ DiagnosticOptions::DefaultTabStop, Diags);
+ if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) {
+ Diags.Report(diag::warn_ignoring_ftabstop_value)
+ << Opts.TabStop << DiagnosticOptions::DefaultTabStop;
+ Opts.TabStop = DiagnosticOptions::DefaultTabStop;
+ }
+ Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags);
+ Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information);
+ Opts.Warnings = getAllArgValues(Args, OPT_W);
+}
+
+static FrontendOptions::InputKind
+ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) {
+ using namespace cc1options;
+ Opts.ProgramAction = frontend::ParseSyntaxOnly;
+ if (const Arg *A = Args.getLastArg(OPT_Action_Group)) {
+ switch (A->getOption().getID()) {
+ default:
+ assert(0 && "Invalid option in group!");
+ case OPT_ast_dump:
+ Opts.ProgramAction = frontend::ASTDump; break;
+ case OPT_ast_print:
+ Opts.ProgramAction = frontend::ASTPrint; break;
+ case OPT_ast_print_xml:
+ Opts.ProgramAction = frontend::ASTPrintXML; break;
+ case OPT_ast_view:
+ Opts.ProgramAction = frontend::ASTView; break;
+ case OPT_dump_raw_tokens:
+ Opts.ProgramAction = frontend::DumpRawTokens; break;
+ case OPT_dump_record_layouts:
+ Opts.ProgramAction = frontend::DumpRecordLayouts; break;
+ case OPT_dump_tokens:
+ Opts.ProgramAction = frontend::DumpTokens; break;
+ case OPT_S:
+ Opts.ProgramAction = frontend::EmitAssembly; break;
+ case OPT_emit_llvm_bc:
+ Opts.ProgramAction = frontend::EmitBC; break;
+ case OPT_emit_html:
+ Opts.ProgramAction = frontend::EmitHTML; break;
+ case OPT_emit_llvm:
+ Opts.ProgramAction = frontend::EmitLLVM; break;
+ case OPT_emit_llvm_only:
+ Opts.ProgramAction = frontend::EmitLLVMOnly; break;
+ case OPT_emit_obj:
+ Opts.ProgramAction = frontend::EmitObj; break;
+ case OPT_fixit:
+ Opts.ProgramAction = frontend::FixIt; break;
+ case OPT_emit_pch:
+ Opts.ProgramAction = frontend::GeneratePCH; break;
+ case OPT_emit_pth:
+ Opts.ProgramAction = frontend::GeneratePTH; break;
+ case OPT_parse_noop:
+ Opts.ProgramAction = frontend::ParseNoop; break;
+ case OPT_parse_print_callbacks:
+ Opts.ProgramAction = frontend::ParsePrintCallbacks; break;
+ case OPT_fsyntax_only:
+ Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
+ case OPT_print_decl_contexts:
+ Opts.ProgramAction = frontend::PrintDeclContext; break;
+ case OPT_E:
+ Opts.ProgramAction = frontend::PrintPreprocessedInput; break;
+ case OPT_rewrite_macros:
+ Opts.ProgramAction = frontend::RewriteMacros; break;
+ case OPT_rewrite_objc:
+ Opts.ProgramAction = frontend::RewriteObjC; break;
+ case OPT_rewrite_test:
+ Opts.ProgramAction = frontend::RewriteTest; break;
+ case OPT_analyze:
+ Opts.ProgramAction = frontend::RunAnalysis; break;
+ case OPT_Eonly:
+ Opts.ProgramAction = frontend::RunPreprocessorOnly; break;
+ }
+ }
+ if (const Arg *A = Args.getLastArg(OPT_plugin)) {
+ Opts.ProgramAction = frontend::PluginAction;
+ Opts.ActionName = A->getValue(Args);
+ }
+
+ if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
+ Opts.CodeCompletionAt =
+ ParsedSourceLocation::FromString(A->getValue(Args));
+ if (Opts.CodeCompletionAt.FileName.empty())
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << A->getValue(Args);
+ }
+ Opts.DebugCodeCompletionPrinter =
+ !Args.hasArg(OPT_no_code_completion_debug_printer);
+ Opts.DisableFree = Args.hasArg(OPT_disable_free);
+ Opts.EmptyInputOnly = Args.hasArg(OPT_empty_input_only);
+
+ Opts.FixItLocations.clear();
+ for (arg_iterator it = Args.filtered_begin(OPT_fixit_at),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const char *Loc = it->getValue(Args);
+ ParsedSourceLocation PSL = ParsedSourceLocation::FromString(Loc);
+
+ if (PSL.FileName.empty()) {
+ Diags.Report(diag::err_drv_invalid_value) << it->getAsString(Args) << Loc;
+ continue;
+ }
+
+ Opts.FixItLocations.push_back(PSL);
+ }
+
+ Opts.OutputFile = getLastArgValue(Args, OPT_o);
+ Opts.Plugins = getAllArgValues(Args, OPT_load);
+ Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch);
+ Opts.ShowHelp = Args.hasArg(OPT_help);
+ Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros);
+ Opts.ShowStats = Args.hasArg(OPT_print_stats);
+ Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
+ Opts.ShowVersion = Args.hasArg(OPT_version);
+ Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view);
+ Opts.ASTMergeFiles = getAllArgValues(Args, OPT_ast_merge);
+
+ FrontendOptions::InputKind DashX = FrontendOptions::IK_None;
+ if (const Arg *A = Args.getLastArg(OPT_x)) {
+ DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args))
+ .Case("c", FrontendOptions::IK_C)
+ .Case("cl", FrontendOptions::IK_OpenCL)
+ .Case("c", FrontendOptions::IK_C)
+ .Case("cl", FrontendOptions::IK_OpenCL)
+ .Case("c++", FrontendOptions::IK_CXX)
+ .Case("objective-c", FrontendOptions::IK_ObjC)
+ .Case("objective-c++", FrontendOptions::IK_ObjCXX)
+ .Case("cpp-output", FrontendOptions::IK_PreprocessedC)
+ .Case("assembler-with-cpp", FrontendOptions::IK_Asm)
+ .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX)
+ .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC)
+ .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX)
+ .Case("c-header", FrontendOptions::IK_C)
+ .Case("objective-c-header", FrontendOptions::IK_ObjC)
+ .Case("c++-header", FrontendOptions::IK_CXX)
+ .Case("objective-c++-header", FrontendOptions::IK_ObjCXX)
+ .Case("ast", FrontendOptions::IK_AST)
+ .Default(FrontendOptions::IK_None);
+ if (DashX == FrontendOptions::IK_None)
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << A->getValue(Args);
+ }
+
+ // '-' is the default input if none is given.
+ std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT);
+ Opts.Inputs.clear();
+ if (Inputs.empty())
+ Inputs.push_back("-");
+ for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
+ FrontendOptions::InputKind IK = DashX;
+ if (IK == FrontendOptions::IK_None) {
+ IK = FrontendOptions::getInputKindForExtension(
+ llvm::StringRef(Inputs[i]).rsplit('.').second);
+ // FIXME: Remove this hack.
+ if (i == 0)
+ DashX = IK;
+ }
+ Opts.Inputs.push_back(std::make_pair(IK, Inputs[i]));
+ }
+
+ return DashX;
+}
+
+std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
+ void *MainAddr) {
+ llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr);
+
+ if (!P.isEmpty()) {
+ P.eraseComponent(); // Remove /clang from foo/bin/clang
+ P.eraseComponent(); // Remove /bin from foo/bin
+
+ // Get foo/lib/clang/<version>/include
+ P.appendComponent("lib");
+ P.appendComponent("clang");
+ P.appendComponent(CLANG_VERSION_STRING);
+ }
+
+ return P.str();
+}
+
+static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
+ using namespace cc1options;
+ Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/");
+ Opts.Verbose = Args.hasArg(OPT_v);
+ Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
+ Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc);
+ Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir);
+
+ // Add -I... and -F... options in order.
+ for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath(it->getValue(Args), frontend::Angled, true,
+ /*IsFramework=*/ it->getOption().matches(OPT_F));
+
+ // Add -iprefix/-iwith-prefix/-iwithprefixbefore options.
+ llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
+ for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix,
+ OPT_iwithprefixbefore),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ if (it->getOption().matches(OPT_iprefix))
+ Prefix = it->getValue(Args);
+ else if (it->getOption().matches(OPT_iwithprefix))
+ Opts.AddPath(Prefix.str() + it->getValue(Args),
+ frontend::System, false, false);
+ else
+ Opts.AddPath(Prefix.str() + it->getValue(Args),
+ frontend::Angled, false, false);
+ }
+
+ for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath(it->getValue(Args), frontend::After, true, false);
+ for (arg_iterator it = Args.filtered_begin(OPT_iquote),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false);
+ for (arg_iterator it = Args.filtered_begin(OPT_isystem),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath(it->getValue(Args), frontend::System, true, false);
+
+ // FIXME: Need options for the various environment variables!
+}
+
+static void ParseLangArgs(LangOptions &Opts, ArgList &Args,
+ FrontendOptions::InputKind IK,
+ Diagnostic &Diags) {
+ // FIXME: Cleanup per-file based stuff.
+
+ // Set some properties which depend soley on the input kind; it would be nice
+ // to move these to the language standard, and have the driver resolve the
+ // input kind + language standard.
+ if (IK == FrontendOptions::IK_Asm) {
+ Opts.AsmPreprocessor = 1;
+ } else if (IK == FrontendOptions::IK_ObjC ||
+ IK == FrontendOptions::IK_ObjCXX ||
+ IK == FrontendOptions::IK_PreprocessedObjC ||
+ IK == FrontendOptions::IK_PreprocessedObjCXX) {
+ Opts.ObjC1 = Opts.ObjC2 = 1;
+ }
+
+ LangStandard::Kind LangStd = LangStandard::lang_unspecified;
+ if (const Arg *A = Args.getLastArg(OPT_std_EQ)) {
+ LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args))
+#define LANGSTANDARD(id, name, desc, features) \
+ .Case(name, LangStandard::lang_##id)
+#include "clang/Frontend/LangStandards.def"
+ .Default(LangStandard::lang_unspecified);
+ if (LangStd == LangStandard::lang_unspecified)
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << A->getValue(Args);
+ }
+
+ if (LangStd == LangStandard::lang_unspecified) {
+ // Based on the base language, pick one.
+ switch (IK) {
+ case FrontendOptions::IK_None:
+ case FrontendOptions::IK_AST:
+ assert(0 && "Invalid input kind!");
+ case FrontendOptions::IK_OpenCL:
+ LangStd = LangStandard::lang_opencl;
+ break;
+ case FrontendOptions::IK_Asm:
+ case FrontendOptions::IK_C:
+ case FrontendOptions::IK_PreprocessedC:
+ case FrontendOptions::IK_ObjC:
+ case FrontendOptions::IK_PreprocessedObjC:
+ LangStd = LangStandard::lang_gnu99;
+ break;
+ case FrontendOptions::IK_CXX:
+ case FrontendOptions::IK_PreprocessedCXX:
+ case FrontendOptions::IK_ObjCXX:
+ case FrontendOptions::IK_PreprocessedObjCXX:
+ LangStd = LangStandard::lang_gnucxx98;
+ break;
+ }
+ }
+
+ const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
+ Opts.BCPLComment = Std.hasBCPLComments();
+ Opts.C99 = Std.isC99();
+ Opts.CPlusPlus = Std.isCPlusPlus();
+ Opts.CPlusPlus0x = Std.isCPlusPlus0x();
+ Opts.Digraphs = Std.hasDigraphs();
+ Opts.GNUMode = Std.isGNUMode();
+ Opts.GNUInline = !Std.isC99();
+ Opts.HexFloats = Std.hasHexFloats();
+ Opts.ImplicitInt = Std.hasImplicitInt();
+
+ // OpenCL has some additional defaults.
+ if (LangStd == LangStandard::lang_opencl) {
+ Opts.OpenCL = 1;
+ Opts.AltiVec = 1;
+ Opts.CXXOperatorNames = 1;
+ Opts.LaxVectorConversions = 1;
+ }
+
+ // OpenCL and C++ both have bool, true, false keywords.
+ Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
+
+ if (Opts.CPlusPlus)
+ Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names);
+
+ if (Args.hasArg(OPT_fobjc_gc_only))
+ Opts.setGCMode(LangOptions::GCOnly);
+ else if (Args.hasArg(OPT_fobjc_gc))
+ Opts.setGCMode(LangOptions::HybridGC);
+
+ if (Args.hasArg(OPT_print_ivar_layout))
+ Opts.ObjCGCBitmapPrint = 1;
+
+ if (Args.hasArg(OPT_faltivec))
+ Opts.AltiVec = 1;
+
+ if (Args.hasArg(OPT_pthread))
+ Opts.POSIXThreads = 1;
+
+ llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility,
+ "default");
+ if (Vis == "default")
+ Opts.setVisibilityMode(LangOptions::Default);
+ else if (Vis == "hidden")
+ Opts.setVisibilityMode(LangOptions::Hidden);
+ else if (Vis == "protected")
+ Opts.setVisibilityMode(LangOptions::Protected);
+ else
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis;
+
+ Opts.OverflowChecking = Args.hasArg(OPT_ftrapv);
+
+ // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs
+ // is specified, or -std is set to a conforming mode.
+ Opts.Trigraphs = !Opts.GNUMode;
+ if (Args.hasArg(OPT_trigraphs))
+ Opts.Trigraphs = 1;
+
+ Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers,
+ OPT_fno_dollars_in_identifiers,
+ !Opts.AsmPreprocessor);
+ Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
+ Opts.Microsoft = Args.hasArg(OPT_fms_extensions);
+ Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);
+ if (Args.hasArg(OPT_fno_lax_vector_conversions))
+ Opts.LaxVectorConversions = 0;
+ if (Args.hasArg(OPT_fno_threadsafe_statics))
+ Opts.ThreadsafeStatics = 0;
+ Opts.Exceptions = Args.hasArg(OPT_fexceptions);
+ Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
+ Opts.Blocks = Args.hasArg(OPT_fblocks);
+ Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char);
+ Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
+ Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
+ Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
+ Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
+ Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
+ Opts.AccessControl = Args.hasArg(OPT_faccess_control);
+ Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);
+ Opts.MathErrno = Args.hasArg(OPT_fmath_errno);
+ Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99,
+ Diags);
+ Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime);
+ Opts.ObjCConstantStringClass = getLastArgValue(Args,
+ OPT_fconstant_string_class);
+ Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi);
+ Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2);
+ if (Opts.ObjCNonFragileABI2)
+ Opts.ObjCNonFragileABI = true;
+ Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior);
+ Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
+ Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags);
+ Opts.Static = Args.hasArg(OPT_static_define);
+ Opts.OptimizeSize = 0;
+
+ // FIXME: Eliminate this dependency.
+ unsigned Opt =
+ Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags);
+ Opts.Optimize = Opt != 0;
+
+ // This is the __NO_INLINE__ define, which just depends on things like the
+ // optimization level and -fno-inline, not actually whether the backend has
+ // inlining enabled.
+ //
+ // FIXME: This is affected by other options (-fno-inline).
+ Opts.NoInline = !Opt;
+
+ unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags);
+ switch (SSP) {
+ default:
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP;
+ break;
+ case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break;
+ case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break;
+ case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break;
+ }
+}
+
+static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
+ Diagnostic &Diags) {
+ using namespace cc1options;
+ Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch);
+ Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth);
+ if (const Arg *A = Args.getLastArg(OPT_token_cache))
+ Opts.TokenCache = A->getValue(Args);
+ else
+ Opts.TokenCache = Opts.ImplicitPTHInclude;
+ Opts.UsePredefines = !Args.hasArg(OPT_undef);
+
+ // Add macros from the command line.
+ for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ if (it->getOption().matches(OPT_D))
+ Opts.addMacroDef(it->getValue(Args));
+ else
+ Opts.addMacroUndef(it->getValue(Args));
+ }
+
+ Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros);
+
+ // Add the ordered list of -includes.
+ for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch,
+ OPT_include_pth),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ // PCH is handled specially, we need to extra the original include path.
+ if (it->getOption().matches(OPT_include_pch)) {
+ std::string OriginalFile =
+ PCHReader::getOriginalSourceFile(it->getValue(Args), Diags);
+ if (OriginalFile.empty())
+ continue;
+
+ Opts.Includes.push_back(OriginalFile);
+ } else
+ Opts.Includes.push_back(it->getValue(Args));
+ }
+
+ for (arg_iterator it = Args.filtered_begin(OPT_remap_file),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ std::pair<llvm::StringRef,llvm::StringRef> Split =
+ llvm::StringRef(it->getValue(Args)).split(';');
+
+ if (Split.second.empty()) {
+ Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args);
+ continue;
+ }
+
+ Opts.addRemappedFile(Split.first, Split.second);
+ }
+}
+
+static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
+ ArgList &Args) {
+ using namespace cc1options;
+ Opts.ShowCPP = !Args.hasArg(OPT_dM);
+ Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
+ Opts.ShowLineMarkers = !Args.hasArg(OPT_P);
+ Opts.ShowComments = Args.hasArg(OPT_C);
+ Opts.ShowMacroComments = Args.hasArg(OPT_CC);
+}
+
+static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) {
+ using namespace cc1options;
+ Opts.ABI = getLastArgValue(Args, OPT_target_abi);
+ Opts.CPU = getLastArgValue(Args, OPT_target_cpu);
+ Opts.Triple = getLastArgValue(Args, OPT_triple);
+ Opts.Features = getAllArgValues(Args, OPT_target_feature);
+
+ // Use the host triple if unspecified.
+ if (Opts.Triple.empty())
+ Opts.Triple = llvm::sys::getHostTriple();
+}
+
+//
+
+void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
+ const char **ArgBegin,
+ const char **ArgEnd,
+ Diagnostic &Diags) {
+ // Parse the arguments.
+ llvm::OwningPtr<OptTable> Opts(createCC1OptTable());
+ unsigned MissingArgIndex, MissingArgCount;
+ llvm::OwningPtr<InputArgList> Args(
+ Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount));
+
+ // Check for missing argument error.
+ if (MissingArgCount)
+ Diags.Report(diag::err_drv_missing_argument)
+ << Args->getArgString(MissingArgIndex) << MissingArgCount;
+
+ // Issue errors on unknown arguments.
+ for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN),
+ ie = Args->filtered_end(); it != ie; ++it)
+ Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args);
+
+ ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags);
+ ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags);
+ ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
+ ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags);
+ FrontendOptions::InputKind DashX =
+ ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
+ ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
+ if (DashX != FrontendOptions::IK_AST)
+ ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags);
+ ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags);
+ ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args);
+ ParseTargetArgs(Res.getTargetOpts(), *Args);
+}