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zend_attributes.h
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Benjamin Eberlei <[email protected]> |
| Martin Schröder <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_ATTRIBUTES_H
#define ZEND_ATTRIBUTES_H
#define ZEND_ATTRIBUTE_TARGET_CLASS (1<<0)
#define ZEND_ATTRIBUTE_TARGET_FUNCTION (1<<1)
#define ZEND_ATTRIBUTE_TARGET_METHOD (1<<2)
#define ZEND_ATTRIBUTE_TARGET_PROPERTY (1<<3)
#define ZEND_ATTRIBUTE_TARGET_CLASS_CONST (1<<4)
#define ZEND_ATTRIBUTE_TARGET_PARAMETER (1<<5)
#define ZEND_ATTRIBUTE_TARGET_ALL ((1<<6) - 1)
#define ZEND_ATTRIBUTE_IS_REPEATABLE (1<<6)
#define ZEND_ATTRIBUTE_FLAGS ((1<<7) - 1)
/* Flags for zend_attribute.flags */
#define ZEND_ATTRIBUTE_PERSISTENT (1<<0)
#define ZEND_ATTRIBUTE_STRICT_TYPES (1<<1)
#define ZEND_ATTRIBUTE_SIZE(argc) \
(sizeof(zend_attribute) + sizeof(zend_attribute_arg) * (argc) - sizeof(zend_attribute_arg))
BEGIN_EXTERN_C()
extern ZEND_API zend_class_entry *zend_ce_attribute;
extern ZEND_API zend_class_entry *zend_ce_allow_dynamic_properties;
extern ZEND_API zend_class_entry *zend_ce_sensitive_parameter;
extern ZEND_API zend_class_entry *zend_ce_sensitive_parameter_value;
typedef struct {
zend_string *name;
zval value;
} zend_attribute_arg;
typedef struct _zend_attribute {
zend_string *name;
zend_string *lcname;
uint32_t flags;
uint32_t lineno;
/* Parameter offsets start at 1, everything else uses 0. */
uint32_t offset;
uint32_t argc;
zend_attribute_arg args[1];
} zend_attribute;
typedef struct _zend_internal_attribute {
zend_class_entry *ce;
uint32_t flags;
void (*validator)(zend_attribute *attr, uint32_t target, zend_class_entry *scope);
} zend_internal_attribute;
ZEND_API zend_attribute *zend_get_attribute(HashTable *attributes, zend_string *lcname);
ZEND_API zend_attribute *zend_get_attribute_str(HashTable *attributes, const char *str, size_t len);
ZEND_API zend_attribute *zend_get_parameter_attribute(HashTable *attributes, zend_string *lcname, uint32_t offset);
ZEND_API zend_attribute *zend_get_parameter_attribute_str(HashTable *attributes, const char *str, size_t len, uint32_t offset);
ZEND_API zend_result zend_get_attribute_value(zval *ret, zend_attribute *attr, uint32_t i, zend_class_entry *scope);
ZEND_API zend_string *zend_get_attribute_target_names(uint32_t targets);
ZEND_API bool zend_is_attribute_repeated(HashTable *attributes, zend_attribute *attr);
ZEND_API zend_internal_attribute *zend_internal_attribute_register(zend_class_entry *ce, uint32_t flags);
ZEND_API zend_internal_attribute *zend_internal_attribute_get(zend_string *lcname);
ZEND_API zend_attribute *zend_add_attribute(
HashTable **attributes, zend_string *name, uint32_t argc,
uint32_t flags, uint32_t offset, uint32_t lineno);
END_EXTERN_C()
static zend_always_inline zend_attribute *zend_add_class_attribute(zend_class_entry *ce, zend_string *name, uint32_t argc)
{
uint32_t flags = ce->type != ZEND_USER_CLASS ? ZEND_ATTRIBUTE_PERSISTENT : 0;
return zend_add_attribute(&ce->attributes, name, argc, flags, 0, 0);
}
static zend_always_inline zend_attribute *zend_add_function_attribute(zend_function *func, zend_string *name, uint32_t argc)
{
uint32_t flags = func->common.type != ZEND_USER_FUNCTION ? ZEND_ATTRIBUTE_PERSISTENT : 0;
return zend_add_attribute(&func->common.attributes, name, argc, flags, 0, 0);
}
static zend_always_inline zend_attribute *zend_add_parameter_attribute(zend_function *func, uint32_t offset, zend_string *name, uint32_t argc)
{
uint32_t flags = func->common.type != ZEND_USER_FUNCTION ? ZEND_ATTRIBUTE_PERSISTENT : 0;
return zend_add_attribute(&func->common.attributes, name, argc, flags, offset + 1, 0);
}
static zend_always_inline zend_attribute *zend_add_property_attribute(zend_class_entry *ce, zend_property_info *info, zend_string *name, uint32_t argc)
{
uint32_t flags = ce->type != ZEND_USER_CLASS ? ZEND_ATTRIBUTE_PERSISTENT : 0;
return zend_add_attribute(&info->attributes, name, argc, flags, 0, 0);
}
static zend_always_inline zend_attribute *zend_add_class_constant_attribute(zend_class_entry *ce, zend_class_constant *c, zend_string *name, uint32_t argc)
{
uint32_t flags = ce->type != ZEND_USER_CLASS ? ZEND_ATTRIBUTE_PERSISTENT : 0;
return zend_add_attribute(&c->attributes, name, argc, flags, 0, 0);
}
static zend_always_inline zend_attribute *zend_mark_function_parameter_as_sensitive(const HashTable *table, const char *func_name, uint32_t parameter)
{
zend_function *func = zend_hash_str_find_ptr(table, func_name, strlen(func_name));
ZEND_ASSERT(func != NULL);
return zend_add_parameter_attribute(
func,
parameter,
zend_ce_sensitive_parameter->name,
0
);
}
void zend_register_attribute_ce(void);
void zend_attributes_shutdown(void);
#endif