summaryrefslogtreecommitdiff
path: root/Zend/zend_language_scanner.h
blob: 3b75ff8cc45a0a9301dcc132b554f76f7696f8d1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2015 Zend Technologies Ltd. (http://www.zend.com) |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@zend.com>                                |
   |          Zeev Suraski <zeev@zend.com>                                |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifndef ZEND_SCANNER_H
#define ZEND_SCANNER_H

typedef struct _zend_lex_state {
	unsigned int yy_leng;
	unsigned char *yy_start;
	unsigned char *yy_text;
	unsigned char *yy_cursor;
	unsigned char *yy_marker;
	unsigned char *yy_limit;
	int yy_state;
	zend_stack state_stack;
	zend_ptr_stack heredoc_label_stack;

	zend_file_handle *in;
	uint lineno;
	zend_string *filename;

	/* original (unfiltered) script */
	unsigned char *script_org;
	size_t script_org_size;

	/* filtered script */
	unsigned char *script_filtered;
	size_t script_filtered_size;

	/* input/output filters */
	zend_encoding_filter input_filter;
	zend_encoding_filter output_filter;
	const zend_encoding *script_encoding;

	/* hooks */
	void (* on_event)(zend_php_scanner_event event, int token, int line);

	zend_ast *ast;
	zend_arena *ast_arena;
} zend_lex_state;

typedef struct _zend_heredoc_label {
	char *label;
	int length;
} zend_heredoc_label;

BEGIN_EXTERN_C()
int zend_compare_file_handles(zend_file_handle *fh1, zend_file_handle *fh2);
ZEND_API void zend_save_lexical_state(zend_lex_state *lex_state);
ZEND_API void zend_restore_lexical_state(zend_lex_state *lex_state);
ZEND_API int zend_prepare_string_for_scanning(zval *str, char *filename);
ZEND_API void zend_multibyte_yyinput_again(zend_encoding_filter old_input_filter, const zend_encoding *old_encoding);
ZEND_API int zend_multibyte_set_filter(const zend_encoding *onetime_encoding);
ZEND_API void zend_lex_tstring(zval *zv);

END_EXTERN_C()

#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 */