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|
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2004 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 |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "zend.h"
#include "zend_globals.h"
#include "zend_variables.h"
#include "zend_API.h"
#include "zend_interfaces.h"
static inline void zend_nuke_object(zend_object *object TSRMLS_DC)
{
zend_hash_destroy(object->properties);
FREE_HASHTABLE(object->properties);
efree(object);
}
ZEND_API void zend_objects_destroy_object(zend_object *object, zend_object_handle handle TSRMLS_DC)
{
zend_function *destructor = object->ce->destructor;
if (destructor) {
zval zobj, *obj = &zobj;
if (destructor->op_array.fn_flags & (ZEND_ACC_PRIVATE|ZEND_ACC_PROTECTED)) {
if (destructor->op_array.fn_flags & ZEND_ACC_PRIVATE) {
/* Ensure that if we're calling a private function, we're allowed to do so.
*/
if (object->ce != EG(scope)) {
zend_class_entry *ce = object->ce;
zend_nuke_object(object TSRMLS_CC); /* unfortunately we *must* destroy it now anyway */
zend_error(EG(in_execution) ? E_ERROR : E_WARNING,
"Call to private %s::__destruct() from context '%s'%s",
ce->name,
EG(scope) ? EG(scope)->name : "",
EG(in_execution) ? "" : " during shutdown ignored");
return;
}
} else {
/* Ensure that if we're calling a protected function, we're allowed to do so.
*/
if (!zend_check_protected(destructor->common.scope, EG(scope))) {
zend_class_entry *ce = object->ce;
zend_nuke_object(object TSRMLS_CC); /* unfortunately we *must* destroy it now anyway */
zend_error(EG(in_execution) ? E_ERROR : E_WARNING,
"Call to protected %s::__destruct() from context '%s'%s",
ce->name,
EG(scope) ? EG(scope)->name : "",
EG(in_execution) ? "" : " during shutdown ignored");
return;
}
}
}
zobj.type = IS_OBJECT;
zobj.value.obj.handle = handle;
zobj.value.obj.handlers = &std_object_handlers;
INIT_PZVAL(obj);
zend_call_method_with_0_params(&obj, object->ce, NULL, "__destruct", NULL);
}
zend_nuke_object(object TSRMLS_CC);
}
ZEND_API zend_object_value zend_objects_new(zend_object **object, zend_class_entry *class_type TSRMLS_DC)
{
zend_object_value retval;
*object = emalloc(sizeof(zend_object));
(*object)->ce = class_type;
retval.handle = zend_objects_store_put(*object, (zend_objects_store_dtor_t) zend_objects_destroy_object, NULL TSRMLS_CC);
retval.handlers = &std_object_handlers;
(*object)->in_get = 0;
(*object)->in_set = 0;
return retval;
}
ZEND_API zend_object *zend_objects_get_address(zval *zobject TSRMLS_DC)
{
return (zend_object *)zend_object_store_get_object(zobject TSRMLS_CC);
}
ZEND_API void zend_objects_clone_members(zend_object *new_object, zend_object_value new_obj_val, zend_object *old_object, zend_object_handle handle TSRMLS_DC)
{
if (old_object->ce->clone) {
zval *old_obj;
zval *new_obj;
zval *clone_func_name;
zval *retval_ptr;
HashTable symbol_table;
zend_class_entry *ce = old_object->ce;
zend_hash_copy(new_object->properties, &ce->default_properties, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
MAKE_STD_ZVAL(new_obj);
new_obj->type = IS_OBJECT;
new_obj->value.obj = new_obj_val;
zval_copy_ctor(new_obj);
MAKE_STD_ZVAL(old_obj);
old_obj->type = IS_OBJECT;
old_obj->value.obj.handle = handle;
old_obj->value.obj.handlers = &std_object_handlers; /* If we reached here than the handlers are standrd */
zval_copy_ctor(old_obj);
/* FIXME: Optimize this so that we use the old_object->ce->clone function pointer instead of the name */
MAKE_STD_ZVAL(clone_func_name);
clone_func_name->type = IS_STRING;
clone_func_name->value.str.val = estrndup("__clone", sizeof("__clone")-1);
clone_func_name->value.str.len = sizeof("__clone")-1;
ZEND_INIT_SYMTABLE(&symbol_table);
ZEND_SET_SYMBOL(&symbol_table, "that", old_obj);
call_user_function_ex(NULL, &new_obj, clone_func_name, &retval_ptr, 0, NULL, 0, &symbol_table TSRMLS_CC);
zend_hash_destroy(&symbol_table);
zval_ptr_dtor(&new_obj);
zval_ptr_dtor(&clone_func_name);
if(retval_ptr) {
zval_ptr_dtor(&retval_ptr);
}
} else {
zend_hash_copy(new_object->properties, old_object->properties, (copy_ctor_func_t) zval_add_ref, (void *) NULL /* Not used anymore */, sizeof(zval *));
}
}
ZEND_API zend_object_value zend_objects_clone_obj(zval *zobject TSRMLS_DC)
{
zend_object_value new_obj_val;
zend_object *old_object;
zend_object *new_object;
zend_object_handle handle = Z_OBJ_HANDLE_P(zobject);
/* assume that create isn't overwritten, so when clone depends on the
* overwritten one then it must itself be overwritten */
old_object = zend_objects_get_address(zobject TSRMLS_CC);
new_obj_val = zend_objects_new(&new_object, old_object->ce TSRMLS_CC);
ALLOC_HASHTABLE(new_object->properties);
zend_hash_init(new_object->properties, 0, NULL, ZVAL_PTR_DTOR, 0);
zend_objects_clone_members(new_object, new_obj_val, old_object, handle TSRMLS_CC);
return new_obj_val;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
|
