diff options
Diffstat (limited to 'Zend/zend_API.c')
| -rw-r--r-- | Zend/zend_API.c | 159 |
1 files changed, 143 insertions, 16 deletions
diff --git a/Zend/zend_API.c b/Zend/zend_API.c index 5f558c4930..abfbb411a5 100644 --- a/Zend/zend_API.c +++ b/Zend/zend_API.c @@ -1213,39 +1213,147 @@ ZEND_API void zend_merge_properties(zval *obj, HashTable *properties) /* {{{ */ } /* }}} */ +static zend_class_mutable_data *zend_allocate_mutable_data(zend_class_entry *class_type) /* {{{ */ +{ + zend_class_mutable_data *mutable_data; + + ZEND_ASSERT(class_type->ce_flags & ZEND_ACC_IMMUTABLE); + ZEND_ASSERT(ZEND_MAP_PTR(class_type->mutable_data) != NULL); + ZEND_ASSERT(ZEND_MAP_PTR_GET_IMM(class_type->mutable_data) == NULL); + + mutable_data = zend_arena_alloc(&CG(arena), sizeof(zend_class_mutable_data)); + memset(mutable_data, 0, sizeof(zend_class_mutable_data)); + mutable_data->ce_flags = class_type->ce_flags; + ZEND_MAP_PTR_SET_IMM(class_type->mutable_data, mutable_data); + + return mutable_data; +} +/* }}} */ + +ZEND_API HashTable *zend_separate_class_constants_table(zend_class_entry *class_type) /* {{{ */ +{ + zend_class_mutable_data *mutable_data; + HashTable *constants_table; + zend_string *key; + zend_class_constant *new_c, *c; + + constants_table = zend_arena_alloc(&CG(arena), sizeof(HashTable)); + zend_hash_init(constants_table, zend_hash_num_elements(&class_type->constants_table), NULL, NULL, 0); + zend_hash_extend(constants_table, zend_hash_num_elements(&class_type->constants_table), 0); + + ZEND_HASH_FOREACH_STR_KEY_PTR(&class_type->constants_table, key, c) { + if (Z_TYPE(c->value) == IS_CONSTANT_AST) { + new_c = zend_arena_alloc(&CG(arena), sizeof(zend_class_constant)); + memcpy(new_c, c, sizeof(zend_class_constant)); + c = new_c; + } + _zend_hash_append_ptr(constants_table, key, c); + } ZEND_HASH_FOREACH_END(); + + ZEND_ASSERT(class_type->ce_flags & ZEND_ACC_IMMUTABLE); + ZEND_ASSERT(ZEND_MAP_PTR(class_type->mutable_data) != NULL); + + mutable_data = ZEND_MAP_PTR_GET_IMM(class_type->mutable_data); + if (!mutable_data) { + mutable_data = zend_allocate_mutable_data(class_type); + } + + mutable_data->constants_table = constants_table; + + return constants_table; +} + ZEND_API zend_result zend_update_class_constants(zend_class_entry *class_type) /* {{{ */ { - if (!(class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED)) { - zend_class_constant *c; - zval *val; - zend_property_info *prop_info; + zend_class_mutable_data *mutable_data = NULL; + zval *default_properties_table = NULL; + zval *static_members_table = NULL; + zend_class_constant *c; + zval *val; + zend_property_info *prop_info; + uint32_t ce_flags; - if (class_type->parent) { - if (UNEXPECTED(zend_update_class_constants(class_type->parent) != SUCCESS)) { - return FAILURE; + ce_flags = class_type->ce_flags; + + if (ce_flags & ZEND_ACC_CONSTANTS_UPDATED) { + return SUCCESS; + } + + if (ce_flags & ZEND_ACC_IMMUTABLE) { + mutable_data = ZEND_MAP_PTR_GET_IMM(class_type->mutable_data); + if (mutable_data) { + ce_flags = mutable_data->ce_flags; + if (ce_flags & ZEND_ACC_CONSTANTS_UPDATED) { + return SUCCESS; } + } else { + mutable_data = zend_allocate_mutable_data(class_type); } + } - ZEND_HASH_FOREACH_PTR(&class_type->constants_table, c) { - val = &c->value; - if (Z_TYPE_P(val) == IS_CONSTANT_AST) { + if (class_type->parent) { + if (UNEXPECTED(zend_update_class_constants(class_type->parent) != SUCCESS)) { + return FAILURE; + } + } + + if (ce_flags & ZEND_ACC_HAS_AST_CONSTANTS) { + HashTable *constants_table; + + if (ce_flags & ZEND_ACC_IMMUTABLE) { + constants_table = mutable_data->constants_table; + if (!constants_table) { + constants_table = zend_separate_class_constants_table(class_type); + } + } else { + constants_table = &class_type->constants_table; + } + ZEND_HASH_FOREACH_PTR(constants_table, c) { + if (Z_TYPE(c->value) == IS_CONSTANT_AST) { + val = &c->value; if (UNEXPECTED(zval_update_constant_ex(val, c->ce) != SUCCESS)) { return FAILURE; } } } ZEND_HASH_FOREACH_END(); + } - if (class_type->default_static_members_count && !CE_STATIC_MEMBERS(class_type)) { - if (class_type->type == ZEND_INTERNAL_CLASS || (class_type->ce_flags & (ZEND_ACC_IMMUTABLE|ZEND_ACC_PRELOADED))) { + if (class_type->default_static_members_count) { + static_members_table = CE_STATIC_MEMBERS(class_type); + if (!static_members_table) { + if (class_type->type == ZEND_INTERNAL_CLASS || (ce_flags & (ZEND_ACC_IMMUTABLE|ZEND_ACC_PRELOADED))) { zend_class_init_statics(class_type); + static_members_table = CE_STATIC_MEMBERS(class_type); } } + } + + default_properties_table = class_type->default_properties_table; + if ((ce_flags & ZEND_ACC_IMMUTABLE) + && (ce_flags & ZEND_ACC_HAS_AST_PROPERTIES)) { + zval *src, *dst, *end; + + default_properties_table = mutable_data->default_properties_table; + if (!default_properties_table) { + default_properties_table = zend_arena_alloc(&CG(arena), sizeof(zval) * class_type->default_properties_count); + src = class_type->default_properties_table; + dst = default_properties_table; + end = dst + class_type->default_properties_count; + do { + ZVAL_COPY_VALUE_PROP(dst, src); + src++; + dst++; + } while (dst != end); + mutable_data->default_properties_table = default_properties_table; + } + } + if (ce_flags & (ZEND_ACC_HAS_AST_PROPERTIES|ZEND_ACC_HAS_AST_STATICS)) { ZEND_HASH_FOREACH_PTR(&class_type->properties_info, prop_info) { if (prop_info->flags & ZEND_ACC_STATIC) { - val = CE_STATIC_MEMBERS(class_type) + prop_info->offset; + val = static_members_table + prop_info->offset; } else { - val = (zval*)((char*)class_type->default_properties_table + prop_info->offset - OBJ_PROP_TO_OFFSET(0)); + val = (zval*)((char*)default_properties_table + prop_info->offset - OBJ_PROP_TO_OFFSET(0)); } if (Z_TYPE_P(val) == IS_CONSTANT_AST) { if (ZEND_TYPE_IS_SET(prop_info->type)) { @@ -1268,8 +1376,21 @@ ZEND_API zend_result zend_update_class_constants(zend_class_entry *class_type) / } } } ZEND_HASH_FOREACH_END(); + } - class_type->ce_flags |= ZEND_ACC_CONSTANTS_UPDATED; + ce_flags |= ZEND_ACC_CONSTANTS_UPDATED; + ce_flags &= ~ZEND_ACC_HAS_AST_CONSTANTS; + ce_flags &= ~ZEND_ACC_HAS_AST_PROPERTIES; + if (class_type->ce_flags & ZEND_ACC_IMMUTABLE) { + ce_flags &= ~ZEND_ACC_HAS_AST_STATICS; + if (mutable_data) { + mutable_data->ce_flags = ce_flags; + } + } else { + if (!(ce_flags & ZEND_ACC_PRELOADED)) { + ce_flags &= ~ZEND_ACC_HAS_AST_STATICS; + } + class_type->ce_flags = ce_flags; } return SUCCESS; @@ -1279,7 +1400,7 @@ ZEND_API zend_result zend_update_class_constants(zend_class_entry *class_type) / static zend_always_inline void _object_properties_init(zend_object *object, zend_class_entry *class_type) /* {{{ */ { if (class_type->default_properties_count) { - zval *src = class_type->default_properties_table; + zval *src = CE_DEFAULT_PROPERTIES_TABLE(class_type); zval *dst = object->properties_table; zval *end = src + class_type->default_properties_count; @@ -3809,6 +3930,11 @@ ZEND_API zend_property_info *zend_declare_typed_property(zend_class_entry *ce, z property_info = zend_arena_alloc(&CG(arena), sizeof(zend_property_info)); if (Z_TYPE_P(property) == IS_CONSTANT_AST) { ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; + if (access_type & ZEND_ACC_STATIC) { + ce->ce_flags |= ZEND_ACC_HAS_AST_STATICS; + } else { + ce->ce_flags |= ZEND_ACC_HAS_AST_PROPERTIES; + } } } @@ -4124,6 +4250,7 @@ ZEND_API zend_class_constant *zend_declare_class_constant_ex(zend_class_entry *c c->ce = ce; if (Z_TYPE_P(value) == IS_CONSTANT_AST) { ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED; + ce->ce_flags |= ZEND_ACC_HAS_AST_CONSTANTS; } if (!zend_hash_add_ptr(&ce->constants_table, name, c)) { |