/*
* jmt.h: Earley parser for lenses based on Jim/Mandelbaum transducers
*
* Copyright (C) 2009-2016 David Lutterkort
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: David Lutterkort <lutter@redhat.com>
*/
#ifndef EARLEY_H_
#define EARLEY_H_
#include <stdlib.h>
#include <stdint.h>
#include "lens.h"
struct jmt;
struct jmt_parse;
typedef uint32_t ind_t;
struct lens;
typedef void (*jmt_traverser)(struct lens *l, size_t start, size_t end,
void *data);
typedef void (*jmt_error)(struct lens *lens, void *data, size_t pos,
const char *format, ...);
struct jmt_visitor {
struct jmt_parse *parse;
jmt_traverser terminal;
jmt_traverser enter;
jmt_traverser exit;
jmt_error error;
void *data;
};
struct jmt *jmt_build(struct lens *l);
struct jmt_parse *jmt_parse(struct jmt *jmt, const char *text, size_t text_len);
void jmt_free_parse(struct jmt_parse *);
/* Returns -1 on internal error, 0 on syntax error, 1 on a successful
* parse.
*/
int jmt_visit(struct jmt_visitor *visitor, size_t *len);
void jmt_free(struct jmt *jmt);
void jmt_dot(struct jmt *jmt, const char *fname);
#endif
/*
* Local variables:
* indent-tabs-mode: nil
* c-indent-level: 4
* c-basic-offset: 4
* tab-width: 4
* End:
*/