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// Copyright (C) 2010-2016 Joel Rosdahl
//
// 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 "ccache.h"
// Supported file extensions and corresponding languages (as in parameter to
// the -x option).
static const struct {
const char *extension;
const char *language;
} extensions[] = {
{".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", "cuda"},
{".ic", "cuda-output"},
// Fixed form Fortran without preprocessing:
{".f", "f77"},
{".for", "f77"},
{".ftn", "f77"},
// Fixed form Fortran with traditional preprocessing:
{".F", "f77-cpp-input"},
{".FOR", "f77-cpp-input"},
{".fpp", "f77-cpp-input"},
{".FPP", "f77-cpp-input"},
{".FTN", "f77-cpp-input"},
// Free form Fortran without preprocessing:
#if 0 // Could generate modules, ignore for now!
{".f90", "f95"},
{".f95", "f95"},
{".f03", "f95"},
{".f08", "f95"},
#endif
// Free form Fortran with traditional preprocessing:
#if 0 // Could generate modules, ignore for now!
{".F90", "f95-cpp-input"},
{".F95", "f95-cpp-input"},
{".F03", "f95-cpp-input"},
{".F08", "f95-cpp-input"},
#endif
{NULL, NULL}
};
// Supported languages and corresponding preprocessed languages.
static const struct {
const char *language;
const char *p_language;
} languages[] = {
{"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"},
{"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"},
{"cuda", "cuda-output"},
{"assembler-with-cpp", "assembler"},
{"assembler", "assembler"},
{"f77-cpp-input", "f77"},
{"f77", "f77"},
#if 0 // Could generate module files, ignore for now!
{"f95-cpp-input", "f95"},
{"f95", "f95"},
#endif
{NULL, NULL}
};
// Guess the language of a file based on its extension. Returns NULL if the
// extension is unknown.
const char *
language_for_file(const char *fname)
{
const char *p = get_extension(fname);
for (int i = 0; extensions[i].extension; i++) {
if (str_eq(p, extensions[i].extension)) {
return extensions[i].language;
}
}
return NULL;
}
// Return the preprocessed language for a given language, or NULL if unknown.
const char *
p_language_for_language(const char *language)
{
if (!language) {
return NULL;
}
for (int i = 0; languages[i].language; ++i) {
if (str_eq(language, languages[i].language)) {
return languages[i].p_language;
}
}
return NULL;
}
// Return the default file extension (including dot) for a language, or NULL if
// unknown.
const char *
extension_for_language(const char *language)
{
if (!language) {
return NULL;
}
for (int i = 0; extensions[i].extension; i++) {
if (str_eq(language, extensions[i].language)) {
return extensions[i].extension;
}
}
return NULL;
}
bool
language_is_supported(const char *language)
{
return p_language_for_language(language) != NULL;
}
bool
language_is_preprocessed(const char *language)
{
return str_eq(language, p_language_for_language(language));
}
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