xref: /freebsd/contrib/llvm-project/clang/lib/Frontend/FrontendOptions.cpp (revision 39ae24e3bf1c8e7d053d0249a6bc88f65eff6de1)
1  //===- FrontendOptions.cpp ------------------------------------------------===//
2  //
3  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4  // See https://llvm.org/LICENSE.txt for license information.
5  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6  //
7  //===----------------------------------------------------------------------===//
8  
9  #include "clang/Frontend/FrontendOptions.h"
10  #include "clang/Basic/LangStandard.h"
11  #include "llvm/ADT/StringSwitch.h"
12  
13  using namespace clang;
14  
15  InputKind FrontendOptions::getInputKindForExtension(StringRef Extension) {
16    return llvm::StringSwitch<InputKind>(Extension)
17        .Cases("ast", "pcm", InputKind(Language::Unknown, InputKind::Precompiled))
18        .Case("c", Language::C)
19        .Cases("S", "s", Language::Asm)
20        .Case("i", InputKind(Language::C).getPreprocessed())
21        .Case("ii", InputKind(Language::CXX).getPreprocessed())
22        .Case("cui", InputKind(Language::CUDA).getPreprocessed())
23        .Case("m", Language::ObjC)
24        .Case("mi", InputKind(Language::ObjC).getPreprocessed())
25        .Cases("mm", "M", Language::ObjCXX)
26        .Case("mii", InputKind(Language::ObjCXX).getPreprocessed())
27        .Cases("C", "cc", "cp", Language::CXX)
28        .Cases("cpp", "CPP", "c++", "cxx", "hpp", "hxx", Language::CXX)
29        .Case("cppm", Language::CXX)
30        .Cases("iim", "iih", InputKind(Language::CXX).getPreprocessed())
31        .Case("cl", Language::OpenCL)
32        .Case("clcpp", Language::OpenCLCXX)
33        .Cases("cu", "cuh", Language::CUDA)
34        .Case("hip", Language::HIP)
35        .Cases("ll", "bc", Language::LLVM_IR)
36        .Case("hlsl", Language::HLSL)
37        .Default(Language::Unknown);
38  }
39