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/*
* Copyright (C) 2010 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++"},
/* Preprocessed: */
{".i", "cpp-output"},
{".ii", "c++-cpp-output"},
{".mi", "objc-cpp-output"},
{".mii", "objc++-cpp-output"},
/* 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"},
{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", "objc-cpp-output"},
{"objective-c-header", "objc-cpp-output"},
{"objc-cpp-output", "objc-cpp-output"},
{"objective-c++", "objc++-cpp-output"},
{"objc++-cpp-output", "objc++-cpp-output"},
{"objective-c++-header", "objc++-cpp-output"},
{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)
{
int i;
const char *p;
p = get_extension(fname);
for (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)
{
int i;
if (!language) {
return NULL;
}
for (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)
{
int i;
if (!language) {
return NULL;
}
for (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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