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cc2bf11951
zend: introducing ZEND_ELEMENT_COUNT for struct's dynamic and flexible arrays. It is mostly for ubsan and helping array bound checking.
125 lines
5.5 KiB
C
125 lines
5.5 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Benjamin Eberlei <kontakt@beberlei.de> |
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| Martin Schröder <m.schroeder2007@gmail.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_ATTRIBUTES_H
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#define ZEND_ATTRIBUTES_H
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#define ZEND_ATTRIBUTE_TARGET_CLASS (1<<0)
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#define ZEND_ATTRIBUTE_TARGET_FUNCTION (1<<1)
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#define ZEND_ATTRIBUTE_TARGET_METHOD (1<<2)
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#define ZEND_ATTRIBUTE_TARGET_PROPERTY (1<<3)
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#define ZEND_ATTRIBUTE_TARGET_CLASS_CONST (1<<4)
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#define ZEND_ATTRIBUTE_TARGET_PARAMETER (1<<5)
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#define ZEND_ATTRIBUTE_TARGET_ALL ((1<<6) - 1)
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#define ZEND_ATTRIBUTE_IS_REPEATABLE (1<<6)
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#define ZEND_ATTRIBUTE_FLAGS ((1<<7) - 1)
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/* Flags for zend_attribute.flags */
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#define ZEND_ATTRIBUTE_PERSISTENT (1<<0)
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#define ZEND_ATTRIBUTE_STRICT_TYPES (1<<1)
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#define ZEND_ATTRIBUTE_SIZE(argc) \
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(sizeof(zend_attribute) + sizeof(zend_attribute_arg) * (argc) - sizeof(zend_attribute_arg))
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BEGIN_EXTERN_C()
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extern ZEND_API zend_class_entry *zend_ce_attribute;
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extern ZEND_API zend_class_entry *zend_ce_allow_dynamic_properties;
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extern ZEND_API zend_class_entry *zend_ce_sensitive_parameter;
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extern ZEND_API zend_class_entry *zend_ce_sensitive_parameter_value;
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extern ZEND_API zend_class_entry *zend_ce_override;
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typedef struct {
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zend_string *name;
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zval value;
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} zend_attribute_arg;
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typedef struct _zend_attribute {
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zend_string *name;
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zend_string *lcname;
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uint32_t flags;
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uint32_t lineno;
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/* Parameter offsets start at 1, everything else uses 0. */
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uint32_t offset;
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uint32_t argc;
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zend_attribute_arg args[1] ZEND_ELEMENT_COUNT(argc);
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} zend_attribute;
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typedef struct _zend_internal_attribute {
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zend_class_entry *ce;
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uint32_t flags;
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void (*validator)(zend_attribute *attr, uint32_t target, zend_class_entry *scope);
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} zend_internal_attribute;
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ZEND_API zend_attribute *zend_get_attribute(HashTable *attributes, zend_string *lcname);
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ZEND_API zend_attribute *zend_get_attribute_str(HashTable *attributes, const char *str, size_t len);
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ZEND_API zend_attribute *zend_get_parameter_attribute(HashTable *attributes, zend_string *lcname, uint32_t offset);
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ZEND_API zend_attribute *zend_get_parameter_attribute_str(HashTable *attributes, const char *str, size_t len, uint32_t offset);
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ZEND_API zend_result zend_get_attribute_value(zval *ret, zend_attribute *attr, uint32_t i, zend_class_entry *scope);
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ZEND_API zend_string *zend_get_attribute_target_names(uint32_t targets);
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ZEND_API bool zend_is_attribute_repeated(HashTable *attributes, zend_attribute *attr);
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ZEND_API zend_internal_attribute *zend_mark_internal_attribute(zend_class_entry *ce);
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ZEND_API zend_internal_attribute *zend_internal_attribute_register(zend_class_entry *ce, uint32_t flags);
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ZEND_API zend_internal_attribute *zend_internal_attribute_get(zend_string *lcname);
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ZEND_API zend_attribute *zend_add_attribute(
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HashTable **attributes, zend_string *name, uint32_t argc,
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uint32_t flags, uint32_t offset, uint32_t lineno);
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END_EXTERN_C()
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static zend_always_inline zend_attribute *zend_add_class_attribute(zend_class_entry *ce, zend_string *name, uint32_t argc)
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{
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uint32_t flags = ce->type != ZEND_USER_CLASS ? ZEND_ATTRIBUTE_PERSISTENT : 0;
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return zend_add_attribute(&ce->attributes, name, argc, flags, 0, 0);
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}
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static zend_always_inline zend_attribute *zend_add_function_attribute(zend_function *func, zend_string *name, uint32_t argc)
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{
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uint32_t flags = func->common.type != ZEND_USER_FUNCTION ? ZEND_ATTRIBUTE_PERSISTENT : 0;
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return zend_add_attribute(&func->common.attributes, name, argc, flags, 0, 0);
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}
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static zend_always_inline zend_attribute *zend_add_parameter_attribute(zend_function *func, uint32_t offset, zend_string *name, uint32_t argc)
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{
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uint32_t flags = func->common.type != ZEND_USER_FUNCTION ? ZEND_ATTRIBUTE_PERSISTENT : 0;
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return zend_add_attribute(&func->common.attributes, name, argc, flags, offset + 1, 0);
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}
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static zend_always_inline zend_attribute *zend_add_property_attribute(zend_class_entry *ce, zend_property_info *info, zend_string *name, uint32_t argc)
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{
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uint32_t flags = ce->type != ZEND_USER_CLASS ? ZEND_ATTRIBUTE_PERSISTENT : 0;
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return zend_add_attribute(&info->attributes, name, argc, flags, 0, 0);
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}
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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)
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{
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uint32_t flags = ce->type != ZEND_USER_CLASS ? ZEND_ATTRIBUTE_PERSISTENT : 0;
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return zend_add_attribute(&c->attributes, name, argc, flags, 0, 0);
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}
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void zend_register_attribute_ce(void);
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void zend_attributes_shutdown(void);
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#endif
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