diff options
Diffstat (limited to 'Zend/zend_objects_API.c')
| -rw-r--r-- | Zend/zend_objects_API.c | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/Zend/zend_objects_API.c b/Zend/zend_objects_API.c deleted file mode 100644 index 7bc297b391..0000000000 --- a/Zend/zend_objects_API.c +++ /dev/null @@ -1,297 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998-2003 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 at through the world-wide-web at | - | 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_objects_API.h" - -#define ZEND_DEBUG_OBJECTS 0 - -ZEND_API void zend_objects_store_init(zend_objects_store *objects, zend_uint init_size) -{ - objects->object_buckets = (zend_object_store_bucket *) emalloc(init_size * sizeof(zend_object_store_bucket)); - objects->top = 1; /* Skip 0 so that handles are true */ - objects->size = init_size; - objects->free_list_head = -1; -} - -ZEND_API void zend_objects_store_destroy(zend_objects_store *objects) -{ - efree(objects->object_buckets); -} - -ZEND_API void zend_objects_store_call_destructors(zend_objects_store *objects TSRMLS_DC) -{ - zend_uint i = 1; - - for (i = 1; i < objects->top ; i++) { - if (objects->object_buckets[i].valid) { - struct _store_object *obj = &objects->object_buckets[i].bucket.obj; - if (obj->dtor && !objects->object_buckets[i].destructor_called) { - objects->object_buckets[i].destructor_called = 1; - obj->dtor(obj->object, i TSRMLS_CC); - } - objects->object_buckets[i].valid = 0; - } - } -} - -/* Store objects API */ - -ZEND_API zend_object_handle zend_objects_store_put(void *object, zend_objects_store_dtor_t dtor, zend_objects_store_clone_t clone TSRMLS_DC) -{ - zend_object_handle handle; - struct _store_object *obj; - - if (EG(objects_store).free_list_head != -1) { - handle = EG(objects_store).free_list_head; - EG(objects_store).free_list_head = EG(objects_store).object_buckets[handle].bucket.free_list.next; - } else { - if (EG(objects_store).top == EG(objects_store).size) { - EG(objects_store).size <<= 1; - EG(objects_store).object_buckets = (zend_object_store_bucket *) erealloc(EG(objects_store).object_buckets, EG(objects_store).size * sizeof(zend_object_store_bucket)); - } - handle = EG(objects_store).top++; - } - obj = &EG(objects_store).object_buckets[handle].bucket.obj; - EG(objects_store).object_buckets[handle].valid = 1; - EG(objects_store).object_buckets[handle].destructor_called = 0; - - obj->refcount = 1; - obj->object = object; - obj->dtor = dtor; - obj->clone = clone; - -#if ZEND_DEBUG_OBJECTS - fprintf(stderr, "Allocated object id #%d\n", handle); -#endif - return handle; -} - -ZEND_API void zend_objects_store_add_ref(zval *object TSRMLS_DC) -{ - zend_object_handle handle = Z_OBJ_HANDLE_P(object); - - if (!EG(objects_store).object_buckets[handle].valid) { - zend_error(E_ERROR, "Trying to add reference to invalid object"); - } - - EG(objects_store).object_buckets[handle].bucket.obj.refcount++; -#if ZEND_DEBUG_OBJECTS - fprintf(stderr, "Increased refcount of object id #%d\n", handle); -#endif -} - -ZEND_API void zend_objects_store_delete_obj(zval *zobject TSRMLS_DC) -{ - zend_object_handle handle = Z_OBJ_HANDLE_P(zobject); - struct _store_object *obj = &EG(objects_store).object_buckets[handle].bucket.obj; - - if (!EG(objects_store).object_buckets[handle].valid) { - zend_error(E_ERROR, "Trying to delete invalid object"); - } - - - if (obj->dtor && !EG(objects_store).object_buckets[handle].destructor_called) { - EG(objects_store).object_buckets[handle].destructor_called = 1; - obj->dtor(obj->object, handle TSRMLS_CC); - } - EG(objects_store).object_buckets[handle].valid = 0; - -#if ZEND_DEBUG_OBJECTS - fprintf(stderr, "Deleted object id #%d\n", handle); -#endif - -} - -#define ZEND_OBJECTS_STORE_ADD_TO_FREE_LIST() \ - EG(objects_store).object_buckets[handle].bucket.free_list.next = EG(objects_store).free_list_head; \ - EG(objects_store).free_list_head = handle; \ - EG(objects_store).object_buckets[handle].valid = 0; - -ZEND_API void zend_objects_store_del_ref(zval *zobject TSRMLS_DC) -{ - zend_object_handle handle = Z_OBJ_HANDLE_P(zobject); - struct _store_object *obj = &EG(objects_store).object_buckets[handle].bucket.obj; - - if (--obj->refcount == 0) { - if (EG(objects_store).object_buckets[handle].valid) { - if (!EG(objects_store).object_buckets[handle].destructor_called) { - EG(objects_store).object_buckets[handle].destructor_called = 1; - if (obj->dtor) { - obj->dtor(obj->object, handle TSRMLS_CC); - } - EG(objects_store).object_buckets[handle].valid = 0; - if (obj->refcount == 0) { - ZEND_OBJECTS_STORE_ADD_TO_FREE_LIST(); - } - } - } -#if ZEND_DEBUG_OBJECTS - fprintf(stderr, "Deallocated object id #%d\n", handle); -#endif - } -#if ZEND_DEBUG_OBJECTS - else { - fprintf(stderr, "Decreased refcount of object id #%d\n", handle); - } -#endif -} - -ZEND_API zend_object_value zend_objects_store_clone_obj(zval *zobject TSRMLS_DC) -{ - zend_object_value retval; - void *new_object; - struct _store_object *obj; - zend_object_handle handle = Z_OBJ_HANDLE_P(zobject); - - if (!EG(objects_store).object_buckets[handle].valid) { - zend_error(E_ERROR, "Trying to clone invalid object"); - } - obj = &EG(objects_store).object_buckets[handle].bucket.obj; - - if (obj->clone == NULL) { - zend_error(E_ERROR, "Trying to clone uncloneable object"); - } - - obj->clone(obj->object, &new_object TSRMLS_CC); - - retval.handle = zend_objects_store_put(new_object, obj->dtor, obj->clone TSRMLS_CC); - retval.handlers = Z_OBJ_HT_P(zobject); - - return retval; -} - -ZEND_API void *zend_object_store_get_object(zval *zobject TSRMLS_DC) -{ - zend_object_handle handle = Z_OBJ_HANDLE_P(zobject); - - if (!EG(objects_store).object_buckets[handle].valid) { - zend_error(E_ERROR, "Trying to access invalid object"); - return NULL; - } - - return EG(objects_store).object_buckets[handle].bucket.obj.object; -} - - -/* Proxy objects workings */ -typedef struct _zend_proxy_object { - zval *object; - zval *property; -} zend_proxy_object; - -static zend_object_handlers zend_object_proxy_handlers; - -ZEND_API void zend_objects_proxy_dtor(zend_proxy_object *object, zend_object_handle handle TSRMLS_DC) -{ - zval_ptr_dtor(&object->object); - zval_ptr_dtor(&object->property); - efree(object); -} - -ZEND_API void zend_objects_proxy_clone(zend_proxy_object *object, zend_proxy_object **object_clone TSRMLS_DC) -{ - *object_clone = emalloc(sizeof(zend_proxy_object)); - (*object_clone)->object = object->object; - (*object_clone)->property = object->property; - zval_add_ref(&(*object_clone)->property); - zval_add_ref(&(*object_clone)->object); -} - -ZEND_API zval **zend_object_create_proxy(zval *object, zval *member TSRMLS_DC) -{ - zend_proxy_object *pobj = emalloc(sizeof(zend_proxy_object)); - zval *retval, **pretval; - - pobj->object = object; - pobj->property = member; - zval_add_ref(&pobj->property); - zval_add_ref(&pobj->object); - - MAKE_STD_ZVAL(retval); - retval->type = IS_OBJECT; - Z_OBJ_HANDLE_P(retval) = zend_objects_store_put(pobj, (zend_objects_store_dtor_t)zend_objects_proxy_dtor, (zend_objects_store_clone_t)zend_objects_proxy_clone TSRMLS_CC); - Z_OBJ_HT_P(retval) = &zend_object_proxy_handlers; - pretval = emalloc(sizeof(zval *)); - *pretval = retval; - - return pretval; -} - -ZEND_API void zend_object_proxy_set(zval **property, zval *value TSRMLS_DC) -{ - zend_proxy_object *probj = zend_object_store_get_object(*property TSRMLS_CC); - - if (Z_OBJ_HT_P(probj->object) && Z_OBJ_HT_P(probj->object)->write_property) { - Z_OBJ_HT_P(probj->object)->write_property(probj->object, probj->property, value TSRMLS_CC); - } else { - zend_error(E_WARNING, "Cannot write property of object - no write handler defined"); - } -} - -ZEND_API zval* zend_object_proxy_get(zval *property TSRMLS_DC) -{ - zend_proxy_object *probj = zend_object_store_get_object(property TSRMLS_CC); - - if (Z_OBJ_HT_P(probj->object) && Z_OBJ_HT_P(probj->object)->read_property) { - return Z_OBJ_HT_P(probj->object)->read_property(probj->object, probj->property TSRMLS_CC); - } else { - zend_error(E_WARNING, "Cannot read property of object - no read handler defined"); - } - - return NULL; -} - -ZEND_API zend_object_handlers *zend_get_std_object_handlers() -{ - return &std_object_handlers; -} - -static zend_object_handlers zend_object_proxy_handlers = { - ZEND_OBJECTS_STORE_HANDLERS, - - NULL, /* read_property */ - NULL, /* write_property */ - NULL, /* get_property_ptr */ - NULL, /* get_property_zval_ptr */ - zend_object_proxy_get, /* get */ - zend_object_proxy_set, /* set */ - NULL, /* has_property */ - NULL, /* unset_property */ - NULL, /* get_properties */ - NULL, /* get_method */ - NULL, /* call_method */ - NULL, /* get_constructor */ - NULL, /* get_class_entry */ - NULL, /* get_class_name */ - NULL /* compare_objects */ -}; - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - */ |