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//===- LangOptions.cpp - C Language Family Language Options ---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the LangOptions class.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/LangOptions.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Path.h"
using namespace clang;
LangOptions::LangOptions() : LangStd(LangStandard::lang_unspecified) {
#define LANGOPT(Name, Bits, Default, Description) Name = Default;
#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) set##Name(Default);
#include "clang/Basic/LangOptions.def"
}
void LangOptions::resetNonModularOptions() {
#define LANGOPT(Name, Bits, Default, Description)
#define BENIGN_LANGOPT(Name, Bits, Default, Description) Name = Default;
#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
Name = static_cast<unsigned>(Default);
#include "clang/Basic/LangOptions.def"
// These options do not affect AST generation.
NoSanitizeFiles.clear();
XRayAlwaysInstrumentFiles.clear();
XRayNeverInstrumentFiles.clear();
CurrentModule.clear();
IsHeaderFile = false;
}
bool LangOptions::isNoBuiltinFunc(StringRef FuncName) const {
for (unsigned i = 0, e = NoBuiltinFuncs.size(); i != e; ++i)
if (FuncName.equals(NoBuiltinFuncs[i]))
return true;
return false;
}
VersionTuple LangOptions::getOpenCLVersionTuple() const {
const int Ver = OpenCLCPlusPlus ? OpenCLCPlusPlusVersion : OpenCLVersion;
if (OpenCLCPlusPlus && Ver != 100)
return VersionTuple(Ver / 100);
return VersionTuple(Ver / 100, (Ver % 100) / 10);
}
unsigned LangOptions::getOpenCLCompatibleVersion() const {
if (!OpenCLCPlusPlus)
return OpenCLVersion;
if (OpenCLCPlusPlusVersion == 100)
return 200;
if (OpenCLCPlusPlusVersion == 202100)
return 300;
llvm_unreachable("Unknown OpenCL version");
}
void LangOptions::remapPathPrefix(SmallString<256> &Path) const {
for (const auto &Entry : MacroPrefixMap)
if (llvm::sys::path::replace_path_prefix(Path, Entry.first, Entry.second))
break;
}
std::string LangOptions::getOpenCLVersionString() const {
std::string Result;
{
llvm::raw_string_ostream Out(Result);
Out << (OpenCLCPlusPlus ? "C++ for OpenCL" : "OpenCL C") << " version "
<< getOpenCLVersionTuple().getAsString();
}
return Result;
}
FPOptions FPOptions::defaultWithoutTrailingStorage(const LangOptions &LO) {
FPOptions result(LO);
return result;
}
LLVM_DUMP_METHOD void FPOptions::dump() {
#define OPTION(NAME, TYPE, WIDTH, PREVIOUS) \
llvm::errs() << "\n " #NAME " " << get##NAME();
#include "clang/Basic/FPOptions.def"
llvm::errs() << "\n";
}
LLVM_DUMP_METHOD void FPOptionsOverride::dump() {
#define OPTION(NAME, TYPE, WIDTH, PREVIOUS) \
if (has##NAME##Override()) \
llvm::errs() << "\n " #NAME " Override is " << get##NAME##Override();
#include "clang/Basic/FPOptions.def"
llvm::errs() << "\n";
}
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