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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 "llvm/ADT/StringExtras.h"
#include "llvm/Support/ErrorHandling.h"
using namespace clang;
static const char *getAnalysisName(Analyses Kind) {
switch (Kind) {
default:
llvm::llvm_unreachable("Unknown analysis store!");
#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::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::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::llvm_unreachable("Unknown analysis client!");
#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \
case PD_##NAME: return CMDFLAG;
#include "clang/Frontend/Analyses.def"
}
}
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.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.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));
// SimplifyLibCalls is only derived.
// TimePasses is only derived.
// UnitAtATime is unused.
// UnrollLoops is only derived.
// VerifyModule is only derived.
// Inlining is only derived.
}
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.ShowOptionNames)
Res.push_back("-fdiagnostics-show-option");
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::llvm_unreachable("Unexpected language kind!");
return 0;
}
static const char *getActionName(frontend::ActionKind Kind) {
switch (Kind) {
case frontend::PluginAction:
case frontend::InheritanceView:
llvm::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::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::RewriteBlocks: return "-rewrite-blocks";
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::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.ShowMacrosInCodeCompletion)
Res.push_back("-code-completion-macros");
if (Opts.ShowStats)
Res.push_back("-stats");
if (Opts.ShowTimers)
Res.push_back("-ftime-report");
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);
}
}
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("-iquoted");
} 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.BuiltinIncludePath.empty()) {
// FIXME: Provide an option for this, and move to driver.
}
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=1");
if (Opts.ObjCNonFragileABI)
Res.push_back("-fobjc-nonfragile-abi");
// NoInline is implicit.
if (!Opts.CXXOperatorNames)
Res.push_back("-fno-operator-names");
if (Opts.PascalStrings)
Res.push_back("-fpascal-strings");
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.ThreadsafeStatics)
llvm::llvm_report_error("FIXME: Not yet implemented!");
if (Opts.POSIXThreads)
Res.push_back("-pthread");
if (Opts.Blocks)
Res.push_back("-fblocks=1");
if (Opts.EmitAllDecls)
Res.push_back("-femit-all-decls");
if (!Opts.MathErrno)
Res.push_back("-fno-math-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("-fsigned-char=0");
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.getMainFileName()) {
Res.push_back("-main-file-name");
Res.push_back(Opts.getMainFileName());
}
if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) {
Res.push_back("-ftemplate-depth");
Res.push_back(llvm::utostr(Opts.InstantiationDepth));
}
if (Opts.ObjCConstantStringClass) {
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((Opts.Macros[i].second ? "-U" : "-D") + Opts.Macros[i].first);
for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) {
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.Includes[i]);
}
if (!Opts.UsePredefines)
Res.push_back("-undef");
if (!Opts.ImplicitPCHInclude.empty()) {
Res.push_back("-implicit-pch-include");
Res.push_back(Opts.ImplicitPCHInclude);
}
if (!Opts.ImplicitPTHInclude.empty()) {
Res.push_back("-implicit-pth-include");
Res.push_back(Opts.ImplicitPTHInclude);
}
if (!Opts.TokenCache.empty()) {
Res.push_back("-token-cache");
Res.push_back(Opts.TokenCache);
}
}
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);
}
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