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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "C99/target.h"
/* graph */
/* private */
/* variables */
static FILE * _fp;
static char * _filename;
static char * _function = NULL;
/* protected */
/* prototypes */
static int _graph_init(char const * outfile, int optlevel);
static int _graph_exit(void);
static int _graph_function_begin(char const * name);
static int _graph_function_call(char const * name);
static int _graph_function_end(void);
/* public */
/* variables */
C99TargetPlugin target_plugin =
{
NULL, /* helper */
NULL, /* options */
_graph_init,
_graph_exit,
NULL,
NULL, /* section */
_graph_function_begin,
_graph_function_call,
_graph_function_end,
NULL /* label_set */
};
/* protected */
/* functions */
/* graph_init */
static int _graph_init(char const * outfile, int optlevel)
{
#ifdef DEBUG
fprintf(stderr, "%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));
}
fprintf(_fp, "%s", "digraph G {\n");
return 0;
}
/* graph_exit */
static int _graph_exit(void)
{
int ret = 0;
#ifdef DEBUG
fprintf(stderr, "%s()\n", __func__);
#endif
fprintf(_fp, "%s", "}\n");
if(fclose(_fp) != 0)
ret |= error_set_code(1, "%s: %s", _filename, strerror(errno));
free(_filename);
free(_function);
return ret;
}
/* graph_function_begin */
static int _graph_function_begin(char const * name)
{
int ret = 0;
#ifdef DEBUG
fprintf(stderr, "%s(\"%s\")\n", __func__, name);
#endif
free(_function);
if((_function = strdup(name)) == NULL)
ret |= error_set_code(1, "%s", strerror(errno));
return ret;
}
/* graph_function_call */
static int _graph_function_call(char const * name)
{
#ifdef DEBUG
fprintf(stderr, "%s(\"%s\")\n", __func__, name);
#endif
fprintf(_fp, "\t%s%s%s%s", _function, " -> ", name, ";\n");
return 0;
}
/* graph_function_end */
static int _graph_function_end(void)
{
#ifdef DEBUG
fprintf(stderr, "%s()\n", __func__);
#endif
free(_function);
_function = NULL;
return 0;
}