xref: /php-src/Zend/zend_inheritance.h (revision 780a8280)
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    +----------------------------------------------------------------------+
18 */
19 
20 #ifndef ZEND_INHERITANCE_H
21 #define ZEND_INHERITANCE_H
22 
23 #include "zend.h"
24 #include "zend_compile.h"
25 
26 BEGIN_EXTERN_C()
27 
28 ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface);
29 ZEND_API void zend_do_inheritance_ex(zend_class_entry *ce, zend_class_entry *parent_ce, bool checked);
30 
zend_do_inheritance(zend_class_entry * ce,zend_class_entry * parent_ce)31 static zend_always_inline void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce) {
32 	zend_do_inheritance_ex(ce, parent_ce, 0);
33 }
34 
35 ZEND_API zend_class_entry *zend_do_link_class(zend_class_entry *ce, zend_string *lc_parent_name, zend_string *key);
36 
37 void zend_verify_abstract_class(zend_class_entry *ce);
38 void zend_build_properties_info_table(zend_class_entry *ce);
39 ZEND_API zend_class_entry *zend_try_early_bind(zend_class_entry *ce, zend_class_entry *parent_ce, zend_string *lcname, zval *delayed_early_binding);
40 
41 void zend_inheritance_check_override(zend_class_entry *ce);
42 
43 ZEND_API extern zend_class_entry* (*zend_inheritance_cache_get)(zend_class_entry *ce, zend_class_entry *parent, zend_class_entry **traits_and_interfaces);
44 ZEND_API extern zend_class_entry* (*zend_inheritance_cache_add)(zend_class_entry *ce, zend_class_entry *proto, zend_class_entry *parent, zend_class_entry **traits_and_interfaces, HashTable *dependencies);
45 
46 typedef enum {
47 	INHERITANCE_UNRESOLVED = -1,
48 	INHERITANCE_ERROR = 0,
49 	INHERITANCE_WARNING = 1,
50 	INHERITANCE_SUCCESS = 2,
51 } zend_inheritance_status;
52 
53 ZEND_API zend_inheritance_status zend_verify_property_hook_variance(const zend_property_info *prop_info, const zend_function *func);
54 ZEND_API ZEND_COLD ZEND_NORETURN void zend_hooked_property_variance_error(const zend_property_info *prop_info);
55 ZEND_API ZEND_COLD ZEND_NORETURN void zend_hooked_property_variance_error_ex(zend_string *value_param_name, zend_string *class_name, zend_string *prop_name);
56 ZEND_API void zend_verify_hooked_property(zend_class_entry *ce, zend_property_info *prop_info, zend_string *prop_name);
57 
58 END_EXTERN_C()
59 
60 #endif
61