C99
/* $Id$ */
/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Devel c99 */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "C99/target.h"
#include "../common.h"
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
/* indent */
/* private */
/* variables */
static FILE * _fp;
static char * _filename;
static int _scope = 0;
static int _newline = 0;
/* protected */
/* prototypes */
static int _indent_init(char const * outfile, int optlevel);
static int _indent_exit(void);
static int _indent_token(Token * token);
static int _indent_function_begin(char const * name);
static int _indent_function_call(char const * name);
static int _indent_function_end(void);
/* public */
/* variables */
C99TargetPlugin target_plugin =
{
NULL, /* helper */
NULL, /* options */
_indent_init,
_indent_exit,
_indent_token, /* parsing */
NULL, /* section */
_indent_function_begin,
_indent_function_call,
_indent_function_end,
NULL /* label_set */
};
/* protected */
/* functions */
/* indent_init */
static int _indent_init(char const * outfile, int optlevel)
{
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\", %d)\n", __func__, outfile, optlevel);
#endif
if((_filename = strdup(outfile)) == NULL)
return error_set_code(1, "%s", strerror(errno));
if((_fp = fopen(outfile, "w")) == NULL)
{
free(_filename);
return error_set_code(1, "%s: %s", outfile, strerror(errno));
}
return 0;
}
/* indent_exit */
static int _indent_exit(void)
{
int ret = 0;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(fclose(_fp) != 0)
ret |= error_set_code(1, "%s: %s", _filename, strerror(errno));
free(_filename);
return 0;
}
/* indent_token */
static int _indent_token(Token * token)
{
char const * str;
C99Code code;
int i;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(token == NULL)
return 0;
str = token_get_string(token);
if((code = token_get_code(token)) == C99_CODE_WHITESPACE)
{
if(strchr(str, '\n') != NULL)
_newline = 1;
}
else
{
if(code == C99_CODE_OPERATOR_RBRACE
|| code == C99_CODE_OPERATOR_RBRACKET)
_scope--;
if(code < C99_CODE_META_FIRST || code > C99_CODE_META_LAST)
{
if(_newline != 0)
{
for(i = 0; i < _scope; i++)
fputc('\t', _fp);
_newline = 0;
}
}
if(code == C99_CODE_OPERATOR_LBRACE
|| code == C99_CODE_OPERATOR_LBRACKET)
_scope++;
}
fputs(str, _fp);
return 0;
}
/* indent_function_begin */
static int _indent_function_begin(char const * name)
{
int ret = 0;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, name);
#endif
_scope = 1;
return ret;
}
/* indent_function_call */
static int _indent_function_call(char const * name)
{
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, name);
#endif
return 0;
}
/* indent_function_end */
static int _indent_function_end(void)
{
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
_scope = 0;
return 0;
}