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// Copyright (C) 2010-2021 Joel Rosdahl and other contributors
//
// See doc/AUTHORS.adoc for a complete list of contributors.
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the Free Software Foundation, Inc., 51
// Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#include "language.hpp"
#include "Util.hpp"
namespace {
// Supported file extensions and corresponding languages (as in parameter to
// the -x option).
const struct
{
const char* extension;
const char* language;
} k_ext_lang_table[] = {
{".c", "c"},
{".C", "c++"},
{".cc", "c++"},
{".CC", "c++"},
{".cp", "c++"},
{".CP", "c++"},
{".cpp", "c++"},
{".CPP", "c++"},
{".cxx", "c++"},
{".CXX", "c++"},
{".c++", "c++"},
{".C++", "c++"},
{".m", "objective-c"},
{".M", "objective-c++"},
{".mm", "objective-c++"},
{".sx", "assembler-with-cpp"},
{".S", "assembler-with-cpp"},
// Preprocessed:
{".i", "cpp-output"},
{".ii", "c++-cpp-output"},
{".mi", "objective-c-cpp-output"},
{".mii", "objective-c++-cpp-output"},
{".s", "assembler"},
// Header file (for precompilation):
{".h", "c-header"},
{".H", "c++-header"},
{".h++", "c++-header"},
{".H++", "c++-header"},
{".hh", "c++-header"},
{".HH", "c++-header"},
{".hp", "c++-header"},
{".HP", "c++-header"},
{".hpp", "c++-header"},
{".HPP", "c++-header"},
{".hxx", "c++-header"},
{".HXX", "c++-header"},
{".tcc", "c++-header"},
{".TCC", "c++-header"},
{".cu", "cu"}, // Special case in language_for_file: "cuda" for Clang
{".hip", "hip"},
{nullptr, nullptr},
};
// Supported languages and corresponding preprocessed languages.
const struct
{
const char* language;
const char* p_language;
} k_lang_p_lang_table[] = {
{"c", "cpp-output"},
{"cpp-output", "cpp-output"},
{"c-header", "cpp-output"},
{"c++", "c++-cpp-output"},
{"c++-cpp-output", "c++-cpp-output"},
{"c++-header", "c++-cpp-output"},
{"cu", "cpp-output"}, // NVCC
{"cuda", "cpp-output"}, // Clang
{"hip", "cpp-output"},
{"objective-c", "objective-c-cpp-output"},
{"objective-c-header", "objective-c-cpp-output"},
{"objc-cpp-output", "objective-c-cpp-output"},
{"objective-c-cpp-output", "objective-c-cpp-output"},
{"objective-c++", "objective-c++-cpp-output"},
{"objc++-cpp-output", "objective-c++-cpp-output"},
{"objective-c++-header", "objective-c++-cpp-output"},
{"objective-c++-cpp-output", "objective-c++-cpp-output"},
{"assembler-with-cpp", "assembler"},
{"assembler", "assembler"},
{nullptr, nullptr},
};
} // namespace
bool
supported_source_extension(const std::string& fname)
{
const auto ext = Util::get_extension(fname);
for (size_t i = 0; k_ext_lang_table[i].extension; ++i) {
if (k_ext_lang_table[i].extension == ext) {
return true;
}
}
return false;
}
std::string
language_for_file(const std::string& fname, CompilerType compiler_type)
{
auto ext = Util::get_extension(fname);
if (ext == ".cu" && compiler_type == CompilerType::clang) {
// Special case: Clang maps .cu to cuda.
return "cuda";
}
for (size_t i = 0; k_ext_lang_table[i].extension; ++i) {
if (k_ext_lang_table[i].extension == ext) {
return k_ext_lang_table[i].language;
}
}
return {};
}
std::string
p_language_for_language(const std::string& language)
{
for (size_t i = 0; k_lang_p_lang_table[i].language; ++i) {
if (language == k_lang_p_lang_table[i].language) {
return k_lang_p_lang_table[i].p_language;
}
}
return {};
}
std::string
extension_for_language(const std::string& language)
{
for (size_t i = 0; k_ext_lang_table[i].extension; i++) {
if (language == k_ext_lang_table[i].language) {
return k_ext_lang_table[i].extension;
}
}
return {};
}
bool
language_is_supported(const std::string& language)
{
return !p_language_for_language(language).empty();
}
bool
language_is_preprocessed(const std::string& language)
{
return language == p_language_for_language(language);
}
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