104 lines
4.1 KiB
C
104 lines
4.1 KiB
C
/*
|
|
Copyright (c) 2006-2020 Chung, Hyung-Hwan. All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
|
|
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
tre-parse.c - Regexp parser definitions
|
|
|
|
This is the license, copyright notice, and disclaimer for TRE, a regex
|
|
matching package (library and tools) with support for approximate
|
|
matching.
|
|
|
|
Copyright (c) 2001-2009 Ville Laurikari <vl@iki.fi>
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
|
|
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _HAWK_LIB_TRE_PARSE_H_
|
|
#define _HAWK_LIB_TRE_PARSE_H_
|
|
|
|
/* Parse context. */
|
|
typedef struct
|
|
{
|
|
/* Memory allocator. The AST is allocated using this. */
|
|
tre_mem_t mem;
|
|
/* Stack used for keeping track of regexp syntax. */
|
|
tre_stack_t *stack;
|
|
/* The parse result. */
|
|
tre_ast_node_t *result;
|
|
/* The regexp to parse and its length. */
|
|
const tre_char_t *re;
|
|
/* The first character of the entire regexp. */
|
|
const tre_char_t *re_start;
|
|
/* The first character after the end of the regexp. */
|
|
const tre_char_t *re_end;
|
|
/* HAWK: changed int to hawk_oow_t */
|
|
/*int len;*/
|
|
hawk_oow_t len;
|
|
/* END HAWK */
|
|
/* Current submatch ID. */
|
|
int submatch_id;
|
|
/* Current position (number of literal). */
|
|
int position;
|
|
/* The highest back reference or -1 if none seen so far. */
|
|
int max_backref;
|
|
/* This flag is set if the regexp uses approximate matching. */
|
|
int have_approx;
|
|
/* Compilation flags. */
|
|
int cflags;
|
|
/* If this flag is set the top-level submatch is not captured. */
|
|
int nofirstsub;
|
|
/* The currently set approximate matching parameters. */
|
|
int params[TRE_PARAM_LAST];
|
|
} tre_parse_ctx_t;
|
|
|
|
/* Parses a wide character regexp pattern into a syntax tree. This parser
|
|
handles both syntaxes (BRE and ERE), including the TRE extensions. */
|
|
reg_errcode_t tre_parse(tre_parse_ctx_t *ctx);
|
|
|
|
#endif /* TRE_PARSE_H */
|
|
|
|
/* EOF */
|