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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2006 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_EXECUTE_H
#define ZEND_EXECUTE_H
#include "zend_compile.h"
#include "zend_hash.h"
#include "zend_operators.h"
#include "zend_variables.h"
typedef union _temp_variable {
zval tmp_var;
struct {
zval **ptr_ptr;
zval *ptr;
zend_bool fcall_returned_reference;
} var;
struct {
zval **ptr_ptr;
zval *ptr;
zend_bool fcall_returned_reference;
zval *str;
zend_uint offset;
} str_offset;
zend_class_entry *class_entry;
} temp_variable;
BEGIN_EXTERN_C()
ZEND_API extern void (*zend_execute)(zend_op_array *op_array TSRMLS_DC);
ZEND_API extern void (*zend_execute_internal)(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC);
void init_executor(TSRMLS_D);
void shutdown_executor(TSRMLS_D);
void shutdown_destructors(TSRMLS_D);
ZEND_API void execute(zend_op_array *op_array TSRMLS_DC);
ZEND_API void execute_internal(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC);
ZEND_API int zend_is_true(zval *op);
#define safe_free_zval_ptr(p) safe_free_zval_ptr_rel(p ZEND_FILE_LINE_CC ZEND_FILE_LINE_EMPTY_CC)
static inline void safe_free_zval_ptr_rel(zval *p ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
{
TSRMLS_FETCH();
if (p!=EG(uninitialized_zval_ptr)) {
FREE_ZVAL_REL(p);
}
}
ZEND_API int zend_lookup_class(char *name, int name_length, zend_class_entry ***ce TSRMLS_DC);
ZEND_API int zend_lookup_class_ex(char *name, int name_length, int use_autoload, zend_class_entry ***ce TSRMLS_DC);
ZEND_API int zend_eval_string(char *str, zval *retval_ptr, char *string_name TSRMLS_DC);
ZEND_API int zend_eval_string_ex(char *str, zval *retval_ptr, char *string_name, int handle_exceptions TSRMLS_DC);
static inline int i_zend_is_true(zval *op)
{
int result;
switch (Z_TYPE_P(op)) {
case IS_NULL:
result = 0;
break;
case IS_LONG:
case IS_BOOL:
case IS_RESOURCE:
result = (Z_LVAL_P(op)?1:0);
break;
case IS_DOUBLE:
result = (Z_DVAL_P(op) ? 1 : 0);
break;
case IS_STRING:
if (Z_STRLEN_P(op) == 0
|| (Z_STRLEN_P(op)==1 && Z_STRVAL_P(op)[0]=='0')) {
result = 0;
} else {
result = 1;
}
break;
case IS_ARRAY:
result = (zend_hash_num_elements(Z_ARRVAL_P(op))?1:0);
break;
case IS_OBJECT:
if(IS_ZEND_STD_OBJECT(*op)) {
TSRMLS_FETCH();
if (Z_OBJ_HT_P(op)->cast_object) {
zval tmp;
if (Z_OBJ_HT_P(op)->cast_object(op, &tmp, IS_BOOL TSRMLS_CC) == SUCCESS) {
result = Z_LVAL(tmp);
break;
}
} else if (Z_OBJ_HT_P(op)->get) {
zval *tmp = Z_OBJ_HT_P(op)->get(op TSRMLS_CC);
if(Z_TYPE_P(tmp) != IS_OBJECT) {
/* for safety - avoid loop */
convert_to_boolean(tmp);
result = Z_LVAL_P(tmp);
zval_ptr_dtor(&tmp);
break;
}
}
if(EG(ze1_compatibility_mode)) {
result = (zend_hash_num_elements(Z_OBJPROP_P(op))?1:0);
} else {
result = 1;
}
} else {
result = 1;
}
break;
default:
result = 0;
break;
}
return result;
}
ZEND_API int zval_update_constant(zval **pp, void *arg TSRMLS_DC);
ZEND_API int zval_update_constant_ex(zval **pp, void *arg, zend_class_entry *scope TSRMLS_DC);
/* dedicated Zend executor functions - do not use! */
static inline void zend_ptr_stack_clear_multiple(TSRMLS_D)
{
void **p = EG(argument_stack).top_element-2;
int delete_count = (ulong) *p;
EG(argument_stack).top -= (delete_count+2);
while (--delete_count>=0) {
zval *q = *(zval **)(--p);
*p = NULL;
zval_ptr_dtor(&q);
}
EG(argument_stack).top_element = p;
}
static inline int zend_ptr_stack_get_arg(int requested_arg, void **data TSRMLS_DC)
{
void **p = EG(argument_stack).top_element-2;
int arg_count = (ulong) *p;
if (requested_arg>arg_count) {
return FAILURE;
}
*data = (p-arg_count+requested_arg-1);
return SUCCESS;
}
void execute_new_code(TSRMLS_D);
/* services */
ZEND_API char *get_active_class_name(char **space TSRMLS_DC);
ZEND_API char *get_active_function_name(TSRMLS_D);
ZEND_API char *zend_get_executed_filename(TSRMLS_D);
ZEND_API uint zend_get_executed_lineno(TSRMLS_D);
ZEND_API zend_bool zend_is_executing(TSRMLS_D);
ZEND_API void zend_set_timeout(long seconds);
ZEND_API void zend_unset_timeout(TSRMLS_D);
ZEND_API void zend_timeout(int dummy);
ZEND_API zend_class_entry *zend_fetch_class(char *class_name, uint class_name_len, int fetch_type TSRMLS_DC);
void zend_verify_abstract_class(zend_class_entry *ce TSRMLS_DC);
#ifdef ZEND_WIN32
void zend_init_timeout_thread();
void zend_shutdown_timeout_thread();
#define WM_REGISTER_ZEND_TIMEOUT (WM_USER+1)
#define WM_UNREGISTER_ZEND_TIMEOUT (WM_USER+2)
#endif
#define zendi_zval_copy_ctor(p) zval_copy_ctor(&(p))
#define zendi_zval_dtor(p) zval_dtor(&(p))
#define active_opline (*EG(opline_ptr))
/* The following tries to resolve the classname of a zval of type object.
* Since it is slow it should be only used in error messages.
*/
#define Z_OBJ_CLASS_NAME_P(zval) ((zval) && Z_TYPE_P(zval) == IS_OBJECT && Z_OBJ_HT_P(zval)->get_class_entry != NULL && Z_OBJ_HT_P(zval)->get_class_entry(zval TSRMLS_CC) ? Z_OBJ_HT_P(zval)->get_class_entry(zval TSRMLS_CC)->name : "")
ZEND_API zval** zend_get_compiled_variable_value(zend_execute_data *execute_data_ptr, zend_uint var);
#define ZEND_USER_OPCODE_CONTINUE 0 /* execute next opcode */
#define ZEND_USER_OPCODE_RETURN 1 /* exit from executor (return from function) */
#define ZEND_USER_OPCODE_DISPATCH 2 /* call original opcode handler */
#define ZEND_USER_OPCODE_DISPATCH_TO 0x100 /* call original handler of returned opcode */
ZEND_API int zend_set_user_opcode_handler(zend_uchar opcode, opcode_handler_t handler);
ZEND_API opcode_handler_t zend_get_user_opcode_handler(zend_uchar opcode);
/* former zend_execute_locks.h */
typedef struct _zend_free_op {
zval* var;
/* int is_var; */
} zend_free_op;
ZEND_API zval *zend_get_zval_ptr(znode *node, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC);
ZEND_API zval **zend_get_zval_ptr_ptr(znode *node, temp_variable *Ts, zend_free_op *should_free, int type TSRMLS_DC);
ZEND_API int zend_do_fcall(ZEND_OPCODE_HANDLER_ARGS);
END_EXTERN_C()
#endif /* ZEND_EXECUTE_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
|
