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llvm-project/clang/lib/Frontend/CompilerInvocation.cpp

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//===--- 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/Basic/FileManager.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/Serialization/ASTReader.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/Path.h"
using namespace clang;
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) {
if (Opts.ShowCheckerHelp)
Res.push_back("-analyzer-checker-help");
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.VisualizeEGUbi)
Res.push_back("-analyzer-viz-egraph-ubigraph");
for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) {
const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i];
if (opt.second)
Res.push_back("-analyzer-disable-checker");
else
Res.push_back("-analyzer-checker");
Res.push_back(opt.first);
}
}
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.ForbidGuardVariables)
Res.push_back("-fforbid-guard-variables");
if (Opts.NoImplicitFloat)
Res.push_back("-no-implicit-float");
if (Opts.OmitLeafFramePointer)
Res.push_back("-momit-leaf-frame-pointer");
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.
// Inlining is only derived.
// UnrollLoops is derived, but also accepts an option, no
// harm in pushing it back here.
if (Opts.UnrollLoops)
Res.push_back("-funroll-loops");
if (Opts.DataSections)
Res.push_back("-fdata-sections");
if (Opts.FunctionSections)
Res.push_back("-ffunction-sections");
if (Opts.AsmVerbose)
Res.push_back("-masm-verbose");
if (!Opts.CodeModel.empty()) {
Res.push_back("-mcode-model");
Res.push_back(Opts.CodeModel);
}
if (!Opts.CXAAtExit)
Res.push_back("-fno-use-cxa-atexit");
if (Opts.CXXCtorDtorAliases)
Res.push_back("-mconstructor-aliases");
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");
switch (Opts.getObjCDispatchMethod()) {
case CodeGenOptions::Legacy:
break;
case CodeGenOptions::Mixed:
Res.push_back("-fobjc-dispatch-method=mixed");
break;
case CodeGenOptions::NonLegacy:
Res.push_back("-fobjc-dispatch-method=non-legacy");
break;
}
if (Opts.NumRegisterParameters) {
Res.push_back("-mregparm");
Res.push_back(llvm::utostr(Opts.NumRegisterParameters));
}
if (Opts.RelaxAll)
Res.push_back("-mrelax-all");
if (Opts.SaveTempLabels)
Res.push_back("-msave-temp-labels");
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);
}
if (!Opts.VerifyModule)
Res.push_back("-disable-llvm-verifier");
for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) {
Res.push_back("-backend-option");
Res.push_back(Opts.BackendOptions[i]);
}
}
static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts,
std::vector<std::string> &Res) {
if (Opts.IncludeSystemHeaders)
Res.push_back("-sys-header-deps");
if (Opts.ShowHeaderIncludes)
Res.push_back("-H");
if (!Opts.HeaderIncludeOutputFile.empty()) {
Res.push_back("-header-include-file");
Res.push_back(Opts.HeaderIncludeOutputFile);
}
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.ShowParseableFixits)
Res.push_back("-fdiagnostics-parseable-fixits");
if (Opts.ShowColors)
Res.push_back("-fcolor-diagnostics");
if (Opts.VerifyDiagnostics)
Res.push_back("-verify");
if (Opts.ShowNames)
Res.push_back("-fdiagnostics-show-name");
if (Opts.ShowOptionNames)
Res.push_back("-fdiagnostics-show-option");
if (Opts.ShowCategories == 1)
Res.push_back("-fdiagnostics-show-category=id");
else if (Opts.ShowCategories == 2)
Res.push_back("-fdiagnostics-show-category=name");
if (Opts.ErrorLimit) {
Res.push_back("-ferror-limit");
Res.push_back(llvm::utostr(Opts.ErrorLimit));
}
if (!Opts.DiagnosticLogFile.empty()) {
Res.push_back("-diagnostic-log-file");
Res.push_back(Opts.DiagnosticLogFile);
}
if (Opts.MacroBacktraceLimit
!= DiagnosticOptions::DefaultMacroBacktraceLimit) {
Res.push_back("-fmacro-backtrace-limit");
Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit));
}
if (Opts.TemplateBacktraceLimit
!= DiagnosticOptions::DefaultTemplateBacktraceLimit) {
Res.push_back("-ftemplate-backtrace-limit");
Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit));
}
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(InputKind Kind) {
switch (Kind) {
case IK_None: break;
case IK_AST: return "ast";
case IK_Asm: return "assembler-with-cpp";
case IK_C: return "c";
case IK_CXX: return "c++";
case IK_LLVM_IR: return "ir";
case IK_ObjC: return "objective-c";
case IK_ObjCXX: return "objective-c++";
case IK_OpenCL: return "cl";
case IK_CUDA: return "cuda";
case IK_PreprocessedC: return "cpp-output";
case IK_PreprocessedCXX: return "c++-cpp-output";
case IK_PreprocessedObjC: return "objective-c-cpp-output";
case 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:
llvm_unreachable("Invalid kind!");
case frontend::ASTDump: return "-ast-dump";
case frontend::ASTDumpXML: return "-ast-dump-xml";
case frontend::ASTPrint: return "-ast-print";
case frontend::ASTView: return "-ast-view";
case frontend::BoostCon: return "-boostcon";
case frontend::CreateModule: return "-create-module";
case frontend::DumpRawTokens: return "-dump-raw-tokens";
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::EmitCodeGenOnly: return "-emit-codegen-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::InitOnly: return "-init-only";
case frontend::ParseSyntaxOnly: return "-fsyntax-only";
case frontend::PrintDeclContext: return "-print-decl-contexts";
case frontend::PrintPreamble: return "-print-preamble";
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 FileSystemOptsToArgs(const FileSystemOptions &Opts,
std::vector<std::string> &Res) {
if (!Opts.WorkingDir.empty()) {
Res.push_back("-working-directory");
Res.push_back(Opts.WorkingDir);
}
}
static void FrontendOptsToArgs(const FrontendOptions &Opts,
std::vector<std::string> &Res) {
if (Opts.DisableFree)
Res.push_back("-disable-free");
if (Opts.RelocatablePCH)
Res.push_back("-relocatable-pch");
if (Opts.ChainedPCH)
Res.push_back("-chained-pch");
if (Opts.ShowHelp)
Res.push_back("-help");
if (Opts.ShowMacrosInCodeCompletion)
Res.push_back("-code-completion-macros");
if (Opts.ShowCodePatternsInCodeCompletion)
Res.push_back("-code-completion-patterns");
if (!Opts.ShowGlobalSymbolsInCodeCompletion)
Res.push_back("-no-code-completion-globals");
if (Opts.ShowStats)
Res.push_back("-print-stats");
if (Opts.ShowTimers)
Res.push_back("-ftime-report");
if (Opts.ShowVersion)
Res.push_back("-version");
if (Opts.FixWhatYouCan)
Res.push_back("-fix-what-you-can");
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.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::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.PluginArgs.size(); i != e; ++i) {
Res.push_back("-plugin-arg-" + Opts.ActionName);
Res.push_back(Opts.PluginArgs[i]);
}
}
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.AddPluginActions.size(); i != e; ++i) {
Res.push_back("-add-plugin");
Res.push_back(Opts.AddPluginActions[i]);
for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) {
Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]);
Res.push_back(Opts.AddPluginArgs[i][ai]);
}
}
for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) {
Res.push_back("-ast-merge");
Res.push_back(Opts.ASTMergeFiles[i]);
}
for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) {
Res.push_back("-import-module");
Res.push_back(Opts.Modules[i]);
}
for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) {
Res.push_back("-mllvm");
Res.push_back(Opts.LLVMArgs[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::report_fatal_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 if (E.Group == frontend::CXXSystem) {
Res.push_back("-cxx-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::report_fatal_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::report_fatal_error("Not yet implemented!");
}
if (!Opts.CEnvIncPath.empty()) {
// FIXME: Provide an option for this, and move env detection to driver.
llvm::report_fatal_error("Not yet implemented!");
}
if (!Opts.ObjCEnvIncPath.empty()) {
// FIXME: Provide an option for this, and move env detection to driver.
llvm::report_fatal_error("Not yet implemented!");
}
if (!Opts.CXXEnvIncPath.empty()) {
// FIXME: Provide an option for this, and move env detection to driver.
llvm::report_fatal_error("Not yet implemented!");
}
if (!Opts.ObjCXXEnvIncPath.empty()) {
// FIXME: Provide an option for this, and move env detection to driver.
llvm::report_fatal_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.UseStandardCXXIncludes)
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.GNUMode && !Opts.GNUKeywords)
Res.push_back("-fno-gnu-keywords");
if (!Opts.GNUMode && Opts.GNUKeywords)
Res.push_back("-fgnu-keywords");
if (Opts.Microsoft)
Res.push_back("-fms-extensions");
if (Opts.MSCVersion != 0)
Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion));
if (Opts.Borland)
Res.push_back("-fborland-extensions");
if (Opts.ObjCNonFragileABI)
Res.push_back("-fobjc-nonfragile-abi");
if (Opts.ObjCNonFragileABI2)
Res.push_back("-fobjc-nonfragile-abi");
if (Opts.ObjCDefaultSynthProperties)
Res.push_back("-fobjc-default-synthesize-properties");
// 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.ConstStrings)
Res.push_back("-Wwrite-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.ObjCExceptions)
Res.push_back("-fobjc-exceptions");
if (Opts.CXXExceptions)
Res.push_back("-fcxx-exceptions");
if (Opts.SjLjExceptions)
Res.push_back("-fsjlj-exceptions");
if (Opts.TraditionalCPP)
Res.push_back("-traditional-cpp");
if (!Opts.RTTI)
Res.push_back("-fno-rtti");
if (Opts.MSBitfields)
Res.push_back("-mms-bitfields");
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");
switch (Opts.getSignedOverflowBehavior()) {
case LangOptions::SOB_Undefined: break;
case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break;
case LangOptions::SOB_Trapping:
Res.push_back("-ftrapv"); break;
if (!Opts.OverflowHandler.empty()) {
Res.push_back("-ftrapv-handler");
Res.push_back(Opts.OverflowHandler);
}
}
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.DumpRecordLayouts)
Res.push_back("-fdump-record-layouts");
if (Opts.DumpVTableLayouts)
Res.push_back("-fdump-vtable-layouts");
if (Opts.NoBitFieldTypeAlign)
Res.push_back("-fno-bitfield-type-alignment");
if (Opts.PICLevel) {
Res.push_back("-pic-level");
Res.push_back(llvm::utostr(Opts.PICLevel));
}
if (Opts.ObjCGCBitmapPrint)
Res.push_back("-print-ivar-layout");
if (Opts.NoConstantCFStrings)
Res.push_back("-fno-constant-cfstrings");
if (!Opts.AccessControl)
Res.push_back("-fno-access-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.AppleKext)
Res.push_back("-fapple-kext");
if (Opts.getVisibilityMode() != DefaultVisibility) {
Res.push_back("-fvisibility");
if (Opts.getVisibilityMode() == HiddenVisibility) {
Res.push_back("hidden");
} else {
assert(Opts.getVisibilityMode() == ProtectedVisibility &&
"Invalid visibility!");
Res.push_back("protected");
}
}
if (Opts.InlineVisibilityHidden)
Res.push_back("-fvisibility-inlines-hidden");
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);
}
if (Opts.FakeAddressSpaceMap)
Res.push_back("-ffake-address-space-map");
if (Opts.ParseUnknownAnytype)
Res.push_back("-funknown-anytype");
}
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.DetailedRecord)
Res.push_back("-detailed-preprocessing-record");
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.ChainedIncludes.size(); i != e; ++i) {
Res.push_back("-chain-include");
Res.push_back(Opts.ChainedIncludes[i]);
}
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::report_fatal_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);
}
if (!Opts.LinkerVersion.empty()) {
Res.push_back("-target-linker-version");
Res.push_back(Opts.LinkerVersion);
}
if (!Opts.CXXABI.empty()) {
Res.push_back("-cxx-abi");
Res.push_back(Opts.CXXABI);
}
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);
FileSystemOptsToArgs(getFileSystemOpts(), 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 unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
Diagnostic &Diags) {
unsigned DefaultOpt = 0;
if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable))
DefaultOpt = 2;
// -Os implies -O2
return Args.hasArg(OPT_Os) ? 2 :
Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags);
}
static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
Diagnostic &Diags) {
using namespace cc1options;
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)
<< A->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)
<< A->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)
<< A->getAsString(Args) << Name;
else
Opts.AnalysisDiagOpt = Value;
}
Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help);
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 = Args.getLastArgValue(OPT_analyze_function);
Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG);
Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors);
Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers);
Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags);
Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags);
Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph);
Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call);
Opts.CheckersControlList.clear();
for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker,
OPT_analyzer_disable_checker),
ie = Args.filtered_end(); it != ie; ++it) {
const Arg *A = *it;
A->claim();
bool enable = (A->getOption().getID() == OPT_analyzer_checker);
// We can have a list of comma separated checker names, e.g:
// '-analyzer-checker=cocoa,unix'
llvm::StringRef checkerList = A->getValue(Args);
llvm::SmallVector<llvm::StringRef, 4> checkers;
checkerList.split(checkers, ",");
for (unsigned i = 0, e = checkers.size(); i != e; ++i)
Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable));
}
}
static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Diagnostic &Diags) {
using namespace cc1options;
Opts.OptimizationLevel = getOptimizationLevel(Args, IK, 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.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info);
Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables);
Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing);
Opts.DwarfDebugFlags = Args.getLastArgValue(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.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) ||
Args.hasArg(OPT_ffreestanding));
Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) ||
(Opts.OptimizationLevel > 1 && !Opts.OptimizeSize);
Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit);
Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases);
Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass);
Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables);
Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);
Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)||
Args.hasArg(OPT_cl_fast_relaxed_math);
Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option);
Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags);
Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels);
Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
Args.hasArg(OPT_cl_fast_relaxed_math);
Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections);
Opts.DataSections = Args.hasArg(OPT_fdata_sections);
Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) {
llvm::StringRef Name = A->getValue(Args);
unsigned Method = llvm::StringSwitch<unsigned>(Name)
.Case("legacy", CodeGenOptions::Legacy)
.Case("non-legacy", CodeGenOptions::NonLegacy)
.Case("mixed", CodeGenOptions::Mixed)
.Default(~0U);
if (Method == ~0U)
Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
else
Opts.ObjCDispatchMethod = Method;
}
}
static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
ArgList &Args) {
using namespace cc1options;
Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file);
Opts.Targets = Args.getAllArgValues(OPT_MT);
Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
Opts.ShowHeaderIncludes = Args.hasArg(OPT_H);
Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file);
}
static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
Diagnostic &Diags) {
using namespace cc1options;
Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file);
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.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name);
Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
// Default behavior is to not to show note include stacks.
Opts.ShowNoteIncludeStack = false;
if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack,
OPT_fno_diagnostics_show_note_include_stack))
if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack))
Opts.ShowNoteIncludeStack = true;
llvm::StringRef ShowOverloads =
Args.getLastArgValue(OPT_fshow_overloads_EQ, "all");
if (ShowOverloads == "best")
Opts.ShowOverloads = Diagnostic::Ovl_Best;
else if (ShowOverloads == "all")
Opts.ShowOverloads = Diagnostic::Ovl_All;
else
Diags.Report(diag::err_drv_invalid_value)
<< Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args)
<< ShowOverloads;
llvm::StringRef ShowCategory =
Args.getLastArgValue(OPT_fdiagnostics_show_category, "none");
if (ShowCategory == "none")
Opts.ShowCategories = 0;
else if (ShowCategory == "id")
Opts.ShowCategories = 1;
else if (ShowCategory == "name")
Opts.ShowCategories = 2;
else
Diags.Report(diag::err_drv_invalid_value)
<< Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args)
<< ShowCategory;
Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits);
Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags);
Opts.MacroBacktraceLimit
= Args.getLastArgIntValue(OPT_fmacro_backtrace_limit,
DiagnosticOptions::DefaultMacroBacktraceLimit, Diags);
Opts.TemplateBacktraceLimit
= Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit,
DiagnosticOptions::DefaultTemplateBacktraceLimit,
Diags);
Opts.TabStop = Args.getLastArgIntValue(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 = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags);
Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information);
Opts.Warnings = Args.getAllArgValues(OPT_W);
}
static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) {
Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory);
}
static 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_dump_xml:
Opts.ProgramAction = frontend::ASTDumpXML; break;
case OPT_ast_print:
Opts.ProgramAction = frontend::ASTPrint; break;
case OPT_ast_view:
Opts.ProgramAction = frontend::ASTView; break;
case OPT_boostcon:
Opts.ProgramAction = frontend::BoostCon; break;
case OPT_dump_raw_tokens:
Opts.ProgramAction = frontend::DumpRawTokens; 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_codegen_only:
Opts.ProgramAction = frontend::EmitCodeGenOnly; break;
case OPT_emit_obj:
Opts.ProgramAction = frontend::EmitObj; break;
case OPT_fixit_EQ:
Opts.FixItSuffix = A->getValue(Args);
// fall-through!
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_init_only:
Opts.ProgramAction = frontend::InitOnly; break;
case OPT_fsyntax_only:
Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
case OPT_print_decl_contexts:
Opts.ProgramAction = frontend::PrintDeclContext; break;
case OPT_print_preamble:
Opts.ProgramAction = frontend::PrintPreamble; 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;
case OPT_create_module:
Opts.ProgramAction = frontend::CreateModule; break;
}
}
if (const Arg* A = Args.getLastArg(OPT_plugin)) {
Opts.Plugins.push_back(A->getValue(Args,0));
Opts.ProgramAction = frontend::PluginAction;
Opts.ActionName = A->getValue(Args);
for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
end = Args.filtered_end(); it != end; ++it) {
if ((*it)->getValue(Args, 0) == Opts.ActionName)
Opts.PluginArgs.push_back((*it)->getValue(Args, 1));
}
}
Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin);
Opts.AddPluginArgs.resize(Opts.AddPluginActions.size());
for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
end = Args.filtered_end(); it != end; ++it) {
if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i])
Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1));
}
}
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.DisableFree = Args.hasArg(OPT_disable_free);
Opts.OutputFile = Args.getLastArgValue(OPT_o);
Opts.Plugins = Args.getAllArgValues(OPT_load);
Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch);
Opts.ChainedPCH = Args.hasArg(OPT_chained_pch);
Opts.ShowHelp = Args.hasArg(OPT_help);
Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros);
Opts.ShowCodePatternsInCodeCompletion
= Args.hasArg(OPT_code_completion_patterns);
Opts.ShowGlobalSymbolsInCodeCompletion
= !Args.hasArg(OPT_no_code_completion_globals);
Opts.ShowStats = Args.hasArg(OPT_print_stats);
Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
Opts.ShowVersion = Args.hasArg(OPT_version);
Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge);
Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can);
Opts.Modules = Args.getAllArgValues(OPT_import_module);
InputKind DashX = IK_None;
if (const Arg *A = Args.getLastArg(OPT_x)) {
DashX = llvm::StringSwitch<InputKind>(A->getValue(Args))
.Case("c", IK_C)
.Case("cl", IK_OpenCL)
.Case("c", IK_C)
.Case("cl", IK_OpenCL)
.Case("cuda", IK_CUDA)
.Case("c++", IK_CXX)
.Case("objective-c", IK_ObjC)
.Case("objective-c++", IK_ObjCXX)
.Case("cpp-output", IK_PreprocessedC)
.Case("assembler-with-cpp", IK_Asm)
.Case("c++-cpp-output", IK_PreprocessedCXX)
.Case("objective-c-cpp-output", IK_PreprocessedObjC)
.Case("objc-cpp-output", IK_PreprocessedObjC)
.Case("objective-c++-cpp-output", IK_PreprocessedObjCXX)
.Case("c-header", IK_C)
.Case("objective-c-header", IK_ObjC)
.Case("c++-header", IK_CXX)
.Case("objective-c++-header", IK_ObjCXX)
.Case("ast", IK_AST)
.Case("ir", IK_LLVM_IR)
.Default(IK_None);
if (DashX == 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 = Args.getAllArgValues(OPT_INPUT);
Opts.Inputs.clear();
if (Inputs.empty())
Inputs.push_back("-");
for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
InputKind IK = DashX;
if (IK == 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 = Args.getLastArgValue(OPT_isysroot, "/");
Opts.Verbose = Args.hasArg(OPT_v);
Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc);
Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx);
Opts.ResourceDir = Args.getLastArgValue(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), true);
// 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) {
const Arg *A = *it;
if (A->getOption().matches(OPT_iprefix))
Prefix = A->getValue(Args);
else if (A->getOption().matches(OPT_iwithprefix))
Opts.AddPath(Prefix.str() + A->getValue(Args),
frontend::System, false, false, true);
else
Opts.AddPath(Prefix.str() + A->getValue(Args),
frontend::Angled, false, false, true);
}
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, true);
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, true);
for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem,
OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it)
Opts.AddPath((*it)->getValue(Args),
((*it)->getOption().matches(OPT_cxx_isystem) ?
frontend::CXXSystem : frontend::System),
true, false, (*it)->getOption().matches(OPT_iwithsysroot));
// FIXME: Need options for the various environment variables!
}
void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
LangStandard::Kind LangStd) {
// Set some properties which depend solely 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 == IK_Asm) {
Opts.AsmPreprocessor = 1;
} else if (IK == IK_ObjC ||
IK == IK_ObjCXX ||
IK == IK_PreprocessedObjC ||
IK == IK_PreprocessedObjCXX) {
Opts.ObjC1 = Opts.ObjC2 = 1;
}
if (LangStd == LangStandard::lang_unspecified) {
// Based on the base language, pick one.
switch (IK) {
case IK_None:
case IK_AST:
case IK_LLVM_IR:
assert(0 && "Invalid input kind!");
case IK_OpenCL:
LangStd = LangStandard::lang_opencl;
break;
case IK_CUDA:
LangStd = LangStandard::lang_cuda;
break;
case IK_Asm:
case IK_C:
case IK_PreprocessedC:
case IK_ObjC:
case IK_PreprocessedObjC:
LangStd = LangStandard::lang_gnu99;
break;
case IK_CXX:
case IK_PreprocessedCXX:
case IK_ObjCXX:
case IK_PreprocessedObjCXX:
LangStd = LangStandard::lang_gnucxx98;
break;
}
}
const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
Opts.BCPLComment = Std.hasBCPLComments();
Opts.C99 = Std.isC99();
Opts.C1X = Std.isC1X();
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;
Opts.DefaultFPContract = 1;
}
if (LangStd == LangStandard::lang_cuda)
Opts.CUDA = 1;
// OpenCL and C++ both have bool, true, false keywords.
Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
Opts.GNUKeywords = Opts.GNUMode;
Opts.CXXOperatorNames = Opts.CPlusPlus;
// Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs
// is specified, or -std is set to a conforming mode.
Opts.Trigraphs = !Opts.GNUMode;
Opts.DollarIdents = !Opts.AsmPreprocessor;
}
static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
Diagnostic &Diags) {
// FIXME: Cleanup per-file based stuff.
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 (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) {
if (strcmp(A->getValue(Args), "CL1.1") != 0) {
Diags.Report(diag::err_drv_invalid_value)
<< A->getAsString(Args) << A->getValue(Args);
}
}
CompilerInvocation::setLangDefaults(Opts, IK, LangStd);
// We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension
// keywords. This behavior is provided by GCC's poorly named '-fasm' flag,
// while a subset (the non-C++ GNU keywords) is provided by GCC's
// '-fgnu-keywords'. Clang conflates the two for simplicity under the single
// name, as it doesn't seem a useful distinction.
Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords,
Opts.GNUKeywords);
if (Args.hasArg(OPT_fno_operator_names))
Opts.CXXOperatorNames = 0;
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_fapple_kext)) {
if (!Opts.CPlusPlus)
Diags.Report(diag::warn_c_kext);
else
Opts.AppleKext = 1;
}
if (Args.hasArg(OPT_print_ivar_layout))
Opts.ObjCGCBitmapPrint = 1;
if (Args.hasArg(OPT_fno_constant_cfstrings))
Opts.NoConstantCFStrings = 1;
if (Args.hasArg(OPT_faltivec))
Opts.AltiVec = 1;
if (Args.hasArg(OPT_pthread))
Opts.POSIXThreads = 1;
llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default");
if (Vis == "default")
Opts.setVisibilityMode(DefaultVisibility);
else if (Vis == "hidden")
Opts.setVisibilityMode(HiddenVisibility);
else if (Vis == "protected")
Opts.setVisibilityMode(ProtectedVisibility);
else
Diags.Report(diag::err_drv_invalid_value)
<< Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis;
if (Args.hasArg(OPT_fvisibility_inlines_hidden))
Opts.InlineVisibilityHidden = 1;
if (Args.hasArg(OPT_ftrapv)) {
Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping);
// Set the handler, if one is specified.
Opts.OverflowHandler =
Args.getLastArgValue(OPT_ftrapv_handler);
}
else if (Args.hasArg(OPT_fwrapv))
Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined);
if (Args.hasArg(OPT_trigraphs))
Opts.Trigraphs = 1;
Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers,
OPT_fno_dollars_in_identifiers,
Opts.DollarIdents);
Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
Opts.Microsoft = Args.hasArg(OPT_fms_extensions);
Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags);
Opts.Borland = Args.hasArg(OPT_fborland_extensions);
Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);
Opts.ConstStrings = Args.hasArg(OPT_Wwrite_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.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions);
Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions);
Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp);
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.ShortEnums = Args.hasArg(OPT_fshort_enums);
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_fno_access_control);
Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);
Opts.MathErrno = Args.hasArg(OPT_fmath_errno);
Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024,
Diags);
Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy,
0, Diags);
Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields);
Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime);
Opts.ObjCConstantStringClass =
Args.getLastArgValue(OPT_fconstant_string_class);
Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi);
if (Opts.ObjCNonFragileABI)
Opts.ObjCNonFragileABI2 = true;
Opts.ObjCDefaultSynthProperties =
Args.hasArg(OPT_fobjc_default_synthesize_properties);
Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior);
Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags);
Opts.Static = Args.hasArg(OPT_static_define);
Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts);
Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts);
Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking);
Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align);
Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant);
Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math);
Opts.OptimizeSize = 0;
Opts.MRTD = Args.hasArg(OPT_mrtd);
Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map);
Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype);
// FIXME: Eliminate this dependency.
unsigned Opt = getOptimizationLevel(Args, IK, 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 = Args.getLastArgIntValue(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,
FileManager &FileMgr,
Diagnostic &Diags) {
using namespace cc1options;
Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch);
Opts.ImplicitPTHInclude = Args.getLastArgValue(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);
Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch);
Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls);
for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl),
ie = Args.filtered_end(); it != ie; ++it) {
const Arg *A = *it;
Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args));
}
if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) {
llvm::StringRef Value(A->getValue(Args));
size_t Comma = Value.find(',');
unsigned Bytes = 0;
unsigned EndOfLine = 0;
if (Comma == llvm::StringRef::npos ||
Value.substr(0, Comma).getAsInteger(10, Bytes) ||
Value.substr(Comma + 1).getAsInteger(10, EndOfLine))
Diags.Report(diag::err_drv_preamble_format);
else {
Opts.PrecompiledPreambleBytes.first = Bytes;
Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0);
}
}
// 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 = Args.getAllArgValues(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) {
const Arg *A = *it;
// PCH is handled specially, we need to extra the original include path.
if (A->getOption().matches(OPT_include_pch)) {
std::string OriginalFile =
ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags);
if (OriginalFile.empty())
continue;
Opts.Includes.push_back(OriginalFile);
} else
Opts.Includes.push_back(A->getValue(Args));
}
for (arg_iterator it = Args.filtered_begin(OPT_chain_include),
ie = Args.filtered_end(); it != ie; ++it) {
const Arg *A = *it;
Opts.ChainedIncludes.push_back(A->getValue(Args));
}
// Include 'altivec.h' if -faltivec option present
if (Args.hasArg(OPT_faltivec))
Opts.Includes.push_back("altivec.h");
for (arg_iterator it = Args.filtered_begin(OPT_remap_file),
ie = Args.filtered_end(); it != ie; ++it) {
const Arg *A = *it;
std::pair<llvm::StringRef,llvm::StringRef> Split =
llvm::StringRef(A->getValue(Args)).split(';');
if (Split.second.empty()) {
Diags.Report(diag::err_drv_invalid_remap_file) << A->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.ShowComments = Args.hasArg(OPT_C);
Opts.ShowLineMarkers = !Args.hasArg(OPT_P);
Opts.ShowMacroComments = Args.hasArg(OPT_CC);
Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
}
static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) {
using namespace cc1options;
Opts.ABI = Args.getLastArgValue(OPT_target_abi);
Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi);
Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
Opts.Features = Args.getAllArgValues(OPT_target_feature);
Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version);
Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
// Use the host triple if unspecified.
if (Opts.Triple.empty())
Opts.Triple = llvm::sys::getHostTriple();
}
//
void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
const char *const *ArgBegin,
const char *const *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);
ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags);
ParseFileSystemArgs(Res.getFileSystemOpts(), *Args);
// FIXME: We shouldn't have to pass the DashX option around here
InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags);
ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
if (DashX != IK_AST && DashX != IK_LLVM_IR) {
ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags);
if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC)
Res.getLangOpts().ObjCExceptions = 1;
}
// FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of
// PCH file and find the original header name. Remove the need to do that in
// ParsePreprocessorArgs and remove the FileManager
// parameters from the function and the "FileManager.h" #include.
FileManager FileMgr(Res.getFileSystemOpts());
ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags);
ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args);
ParseTargetArgs(Res.getTargetOpts(), *Args);
}
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