1/*
2 * Copyright 2011 Tresys Technology, LLC. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 *    1. Redistributions of source code must retain the above copyright notice,
8 *       this list of conditions and the following disclaimer.
9 *
10 *    2. Redistributions in binary form must reproduce the above copyright notice,
11 *       this list of conditions and the following disclaimer in the documentation
12 *       and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY TRESYS TECHNOLOGY, LLC ``AS IS'' AND ANY EXPRESS
15 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
17 * EVENT SHALL TRESYS TECHNOLOGY, LLC OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
21 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
22 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * The views and conclusions contained in the software and documentation are those
26 * of the authors and should not be interpreted as representing official policies,
27 * either expressed or implied, of Tresys Technology, LLC.
28 */
29
30#ifndef CIL_LEXER_H_
31#define CIL_LEXER_H_
32
33#include <stdint.h>
34
35#define OPAREN 1
36#define CPAREN 2
37#define SYMBOL 3
38#define QSTRING 4
39#define COMMENT 5
40#define HLL_LINEMARK 6
41#define NEWLINE 7
42#define END_OF_FILE 8
43#define UNKNOWN 9
44
45struct token {
46	uint32_t type;
47	char * value;
48	uint32_t line;
49};
50
51int cil_lexer_setup(char *buffer, uint32_t size);
52void cil_lexer_destroy(void);
53int cil_lexer_next(struct token *tok);
54
55#endif /* CIL_LEXER_H_ */
56