xref: /php-src/Zend/zend_variables.h (revision 5c3a6eae)
1 /*
2    +----------------------------------------------------------------------+
3    | Zend Engine                                                          |
4    +----------------------------------------------------------------------+
5    | Copyright (c) Zend Technologies Ltd. (http://www.zend.com)           |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt.                                |
11    | If you did not receive a copy of the Zend license and are unable to  |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@zend.com so we can mail you a copy immediately.              |
14    +----------------------------------------------------------------------+
15    | Authors: Andi Gutmans <andi@php.net>                                 |
16    |          Zeev Suraski <zeev@php.net>                                 |
17    |          Dmitry Stogov <dmitry@php.net>                              |
18    +----------------------------------------------------------------------+
19 */
20 
21 #ifndef ZEND_VARIABLES_H
22 #define ZEND_VARIABLES_H
23 
24 #include "zend_types.h"
25 #include "zend_gc.h"
26 #include "zend_hash.h"
27 
28 BEGIN_EXTERN_C()
29 
30 ZEND_API void ZEND_FASTCALL rc_dtor_func(zend_refcounted *p);
31 ZEND_API void ZEND_FASTCALL zval_copy_ctor_func(zval *zvalue);
32 
zval_ptr_dtor_nogc(zval * zval_ptr)33 static zend_always_inline void zval_ptr_dtor_nogc(zval *zval_ptr)
34 {
35 	if (Z_REFCOUNTED_P(zval_ptr) && !Z_DELREF_P(zval_ptr)) {
36 		rc_dtor_func(Z_COUNTED_P(zval_ptr));
37 	}
38 }
39 
i_zval_ptr_dtor(zval * zval_ptr)40 static zend_always_inline void i_zval_ptr_dtor(zval *zval_ptr)
41 {
42 	if (Z_REFCOUNTED_P(zval_ptr)) {
43 		zend_refcounted *ref = Z_COUNTED_P(zval_ptr);
44 		if (!GC_DELREF(ref)) {
45 			rc_dtor_func(ref);
46 		} else {
47 			gc_check_possible_root(ref);
48 		}
49 	}
50 }
51 
zval_copy_ctor(zval * zvalue)52 static zend_always_inline void zval_copy_ctor(zval *zvalue)
53 {
54 	if (Z_TYPE_P(zvalue) == IS_ARRAY) {
55 		ZVAL_ARR(zvalue, zend_array_dup(Z_ARR_P(zvalue)));
56 	} else if (Z_REFCOUNTED_P(zvalue)) {
57 		Z_ADDREF_P(zvalue);
58 	}
59 }
60 
zval_opt_copy_ctor(zval * zvalue)61 static zend_always_inline void zval_opt_copy_ctor(zval *zvalue)
62 {
63 	if (Z_OPT_TYPE_P(zvalue) == IS_ARRAY) {
64 		ZVAL_ARR(zvalue, zend_array_dup(Z_ARR_P(zvalue)));
65 	} else if (Z_OPT_REFCOUNTED_P(zvalue)) {
66 		Z_ADDREF_P(zvalue);
67 	}
68 }
69 
zval_ptr_dtor_str(zval * zval_ptr)70 static zend_always_inline void zval_ptr_dtor_str(zval *zval_ptr)
71 {
72 	if (Z_REFCOUNTED_P(zval_ptr) && !Z_DELREF_P(zval_ptr)) {
73 		ZEND_ASSERT(Z_TYPE_P(zval_ptr) == IS_STRING);
74 		ZEND_ASSERT(!ZSTR_IS_INTERNED(Z_STR_P(zval_ptr)));
75 		ZEND_ASSERT(!(GC_FLAGS(Z_STR_P(zval_ptr)) & IS_STR_PERSISTENT));
76 		efree(Z_STR_P(zval_ptr));
77 	}
78 }
79 
80 ZEND_API void zval_ptr_dtor(zval *zval_ptr);
81 ZEND_API void zval_internal_ptr_dtor(zval *zvalue);
82 
83 /* Kept for compatibility */
84 #define zval_dtor(zvalue) zval_ptr_dtor_nogc(zvalue)
85 
86 ZEND_API void zval_add_ref(zval *p);
87 
88 END_EXTERN_C()
89 
90 #define ZVAL_PTR_DTOR zval_ptr_dtor
91 #define ZVAL_INTERNAL_PTR_DTOR zval_internal_ptr_dtor
92 
93 #endif
94