1 /*
2    +----------------------------------------------------------------------+
3    | Zend Engine, Func Info                                               |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1998-2018 The PHP Group                                |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Dmitry Stogov <dmitry@zend.com>                             |
16    +----------------------------------------------------------------------+
17 */
18 
19 #ifndef ZEND_FUNC_INFO_H
20 #define ZEND_FUNC_INFO_H
21 
22 #include "zend_ssa.h"
23 
24 /* func flags */
25 #define ZEND_FUNC_INDIRECT_VAR_ACCESS      (1<<0)
26 #define ZEND_FUNC_HAS_CALLS                (1<<1)
27 #define ZEND_FUNC_VARARG                   (1<<2)
28 #define ZEND_FUNC_NO_LOOPS                 (1<<3)
29 #define ZEND_FUNC_IRREDUCIBLE              (1<<4)
30 #define ZEND_FUNC_RECURSIVE                (1<<7)
31 #define ZEND_FUNC_RECURSIVE_DIRECTLY       (1<<8)
32 #define ZEND_FUNC_RECURSIVE_INDIRECTLY     (1<<9)
33 
34 /* The following flags are valid only for return values of internal functions
35  * returned by zend_get_func_info()
36  */
37 #define FUNC_MAY_WARN                      (1<<30)
38 
39 typedef struct _zend_func_info zend_func_info;
40 typedef struct _zend_call_info zend_call_info;
41 
42 #define ZEND_FUNC_INFO(op_array) \
43 	((zend_func_info*)((op_array)->reserved[zend_func_info_rid]))
44 
45 #define ZEND_SET_FUNC_INFO(op_array, info) do { \
46 		zend_func_info** pinfo = (zend_func_info**)&(op_array)->reserved[zend_func_info_rid]; \
47 		*pinfo = info; \
48 	} while (0)
49 
50 BEGIN_EXTERN_C()
51 
52 extern int zend_func_info_rid;
53 
54 uint32_t zend_get_func_info(const zend_call_info *call_info, const zend_ssa *ssa);
55 
56 int zend_func_info_startup(void);
57 int zend_func_info_shutdown(void);
58 
59 END_EXTERN_C()
60 
61 #endif /* ZEND_FUNC_INFO_H */
62 
63 /*
64  * Local variables:
65  * tab-width: 4
66  * c-basic-offset: 4
67  * indent-tabs-mode: t
68  * End:
69  */
70