llvm-capstone/clang/lib/Basic/LangOptions.cpp

//===- 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"

using namespace clang;

LangOptions::LangOptions() {
#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 = Default;
#include "clang/Basic/LangOptions.def"

  // These options do not affect AST generation.
  SanitizerBlacklistFiles.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;
  return VersionTuple(Ver / 100, (Ver % 100) / 10);
}

FPOptions FPOptions::defaultWithoutTrailingStorage(const LangOptions &LO) {
  FPOptions result(LO);
  return result;
}

bool FPOptions::requiresTrailingStorage(const LangOptions &LO) {
  return getAsOpaqueInt() != defaultWithoutTrailingStorage(LO).getAsOpaqueInt();
}