//===- FrontendOptions.cpp ------------------------------------------------===//

//

// 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

//

//===----------------------------------------------------------------------===//

#include "clang/Frontend/FrontendOptions.h"

#include "clang/Basic/LangStandard.h"

#include "llvm/ADT/StringSwitch.h"

using namespace clang;

InputKind FrontendOptions::getInputKindForExtension(StringRef Extension) {

  return llvm::StringSwitch<InputKind>(Extension)

      .Cases("ast", "pcm", InputKind(Language::Unknown, InputKind::Precompiled))

      .Case("c", Language::C)

      .Cases("S", "s", Language::Asm)

      .Case("i", InputKind(Language::C).getPreprocessed())

      .Case("ii", InputKind(Language::CXX).getPreprocessed())

      .Case("cui", InputKind(Language::CUDA).getPreprocessed())

      .Case("m", Language::ObjC)

      .Case("mi", InputKind(Language::ObjC).getPreprocessed())

      .Cases("mm", "M", Language::ObjCXX)

      .Case("mii", InputKind(Language::ObjCXX).getPreprocessed())

      .Cases("C", "cc", "cp", Language::CXX)

      .Cases("cpp", "CPP", "c++", "cxx", "hpp", "hxx", Language::CXX)

      .Case("cppm", Language::CXX)

      .Cases("iim", "iih", InputKind(Language::CXX).getPreprocessed())

      .Case("cl", Language::OpenCL)

      .Case("clcpp", Language::OpenCLCXX)

      .Cases("cu", "cuh", Language::CUDA)

      .Case("hip", Language::HIP)

      .Cases("ll", "bc", Language::LLVM_IR)

      .Case("hlsl", Language::HLSL)

      .Default(Language::Unknown);

}