1 /*
2 * SysDB - src/include/frontend/parser.h
3 * Copyright (C) 2013 Sebastian 'tokkee' Harl <sh@tokkee.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
28 #ifndef SDB_FRONTEND_PARSER_H
29 #define SDB_FRONTEND_PARSER_H 1
31 #include "core/store.h"
32 #include "utils/llist.h"
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
38 /* parser modes */
39 enum {
40 SDB_PARSE_DEFAULT = 0,
41 SDB_PARSE_EXPR,
42 };
44 /* YY_EXTRA data */
45 typedef struct {
46 /* list of sdb_conn_node_t objects */
47 sdb_llist_t *parsetree;
49 /* parser mode */
50 int mode;
51 } sdb_fe_yyextra_t;
53 /* see yyscan_t */
54 typedef void *sdb_fe_yyscan_t;
56 sdb_fe_yyscan_t
57 sdb_fe_scanner_init(const char *str, int len, sdb_fe_yyextra_t *yyext);
59 void
60 sdb_fe_scanner_destroy(sdb_fe_yyscan_t scanner);
62 int
63 sdb_fe_yyparse(sdb_fe_yyscan_t scanner);
65 sdb_store_matcher_t *
66 sdb_fe_parse_matcher(const char *expr, int len);
68 #ifdef __cplusplus
69 } /* extern "C" */
70 #endif
72 #endif /* ! SDB_FRONTEND_PARSER_H */
74 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */