wrx_prnt.h

/*
 * Copyright (c) 2007 Werner Stoop
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

/*
 *	Header file for printing the NFA stuctures. These functions are
 *	defined in wrx_prnt.c and are used to debug the NFAs generated by
 *	wrx_comp.c
 */

#ifndef _WRX_PRNT_H
#define _WRX_PRNT_H

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

/*
 *	Prints the states in the NFA to stdout.
 *	For my own development and debugging purposes.
 */
void wrx_print_nfa(wregex_t *nfa);

/*
 *	Prints an NFA's states in a format that can be used by the
 *	DOT tool to generate a graph.
 *	Use the following on the command line to draw the graph:
 *	>dot -Tjpg -o nfa.jpg filename
 */
void wrx_print_dot(wregex_t *nfa, const char *filename);

#if defined(__cplusplus) || defined(c_plusplus)
} /* extern "C" */
#endif

#endif /*_WRX_PRNT_H*/