X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-propro;a=blobdiff_plain;f=src%2Fphp_propro_api.c;h=631f707c3a9a77d9944c77240851a0df6ff4489e;hp=c92d6d4a3f7754da92505947919ca129ee9d3073;hb=HEAD;hpb=fdab445e81832006aa78396eee5832383e48db4d

diff --git a/src/php_propro_api.c b/src/php_propro_api.c
index c92d6d4..631f707 100644
--- a/src/php_propro_api.c
+++ b/src/php_propro_api.c
@@ -22,77 +22,102 @@
 
 #define DEBUG_PROPRO 0
 
-static inline zval *get_referenced_zval(zval *ref)
-{
-	while (Z_ISREF_P(ref)) {
-		ref = Z_REFVAL_P(ref);
-	}
-	return ref;
-}
-
-php_property_proxy_t *php_property_proxy_init(zval *container, zend_string *member)
-{
-	php_property_proxy_t *proxy = ecalloc(1, sizeof(*proxy));
+static inline php_property_proxy_object_t *get_propro(zval *object);
+static inline zval *get_proxied_value(zval *object, zval *return_value);
+static inline void set_proxied_value(zval *object, zval *value);
 
-	ZVAL_COPY(&proxy->container, get_referenced_zval(container));
-	proxy->member = zend_string_copy(member);
+static zval *read_dimension(zval *object, zval *offset, int type, zval *return_value);
+static ZEND_RESULT_CODE cast_obj(zval *object, zval *return_value, int type);
+static void write_dimension(zval *object, zval *offset, zval *input_value);
 
-	return proxy;
-}
+#if DEBUG_PROPRO
+/* we do not really care about TS when debugging */
+static int level = 1;
+static const char *inoutstr[] = {"< return","=       "," > enter "};
+static const char *types[] = {
+		"UNDEF",
+		"NULL",
+		"FALSE",
+		"TRUE",
+		"int",
+		"float",
+		"string",
+		"Array",
+		"Object",
+		"resource",
+		"reference",
+		"constant",
+		"const AST",
+		"_BOOL",
+		"callable",
+		"indirect",
+		"---",
+		"pointer"
+};
 
-void php_property_proxy_free(php_property_proxy_t **proxy)
+static const char *_type(zval *zv)
 {
-	if (*proxy) {
-		zval_ptr_dtor(&(*proxy)->container);
-		zend_string_release((*proxy)->member);
-		efree(*proxy);
-		*proxy = NULL;
+	switch (Z_TYPE_P(zv)) {
+	case IS_OBJECT:
+		if (zv->value.obj->ce == php_property_proxy_get_class_entry()) {
+			return "PROPRO";
+		}
+		/* no break */
+	default:
+		return types[Z_TYPE_P(zv)];
 	}
 }
 
-static zend_class_entry *php_property_proxy_class_entry;
-static zend_object_handlers php_property_proxy_object_handlers;
-
-zend_class_entry *php_property_proxy_get_class_entry(void)
+static int _walk(php_property_proxy_object_t *obj)
 {
-	return php_property_proxy_class_entry;
-}
+	int p = 0;
 
-static inline php_property_proxy_object_t *get_propro(zval *object);
-static zval *get_parent_proxied_value(zval *object, zval *return_value);
-static zval *get_proxied_value(zval *object, zval *return_value);
-static zval *read_dimension(zval *object, zval *offset, int type, zval *return_value);
-static ZEND_RESULT_CODE cast_proxied_value(zval *object, zval *return_value, int type);
-static void write_dimension(zval *object, zval *offset, zval *value);
-static void set_proxied_value(zval *object, zval *value);
-
-#if DEBUG_PROPRO
-/* we do not really care about TS when debugging */
-static int level = 1;
-static const char space[] = "                               ";
-static const char *inoutstr[] = {"< return","="," > enter"};
-
-static void _walk(php_property_proxy_object_t *obj)
-{
 	if (obj) {
 		if (!Z_ISUNDEF(obj->parent)) {
-			_walk(get_propro(&obj->parent));
+			p += _walk(get_propro(&obj->parent));
 		}
 		if (obj->proxy) {
-			fprintf(stderr, ".%s", obj->proxy->member->val);
+			p += fprintf(stderr, ".%s", obj->proxy->member->val);
 		}
 	}
+
+	return p;
 }
 
+static inline zval *get_container(zval *object, zval *tmp);
+static inline zval *get_container_value(zval *container, zend_string *member, zval *return_value);
+
 static void debug_propro(int inout, const char *f,
-		php_property_proxy_object_t *obj, zval *offset, zval *value TSRMLS_DC)
+		php_property_proxy_object_t *obj,
+		php_property_proxy_t *proxy,
+		zval *offset, zval *value)
 {
-	fprintf(stderr, "#PP %p %s %s %s ", obj, &space[sizeof(space)-level],
-			inoutstr[inout+1], f);
+	int width;
+	zval tmp, *container = &tmp;
+
+	if (!proxy && obj) {
+		proxy = obj->proxy;
+	}
+
+	fprintf(stderr, "#PP %14p %*c %s %s\t", proxy, level, ' ', inoutstr[inout + 1], f);
 
 	level += inout;
 
-	_walk(obj);
+	if (proxy) {
+		ZVAL_UNDEF(&tmp);
+		if (!obj) {
+			container = &proxy->container;
+		} else if (Z_ISUNDEF(obj->parent)) {
+			container = &obj->proxy->container;
+		}
+		fprintf(stderr, " container= %-14p < %-10s rc=%-2d%s> ",
+				Z_REFCOUNTED_P(container) ? Z_COUNTED_P(container) : NULL,
+				_type(container),
+				Z_REFCOUNTED_P(container) ? Z_REFCOUNT_P(container) : 0,
+				Z_ISREF_P(container) ? "(ref)  ":"(noref)");
+	}
+
+	width = _walk(obj);
 
 	if (*f++=='d'
 	&&	*f++=='i'
@@ -106,45 +131,90 @@ static void debug_propro(int inout, const char *f,
 			offset_str = Z_STRVAL_P(o);
 		}
 
-		fprintf(stderr, ".%s", offset_str);
+		width += fprintf(stderr, ".%s", offset_str);
 
 		if (o && o != offset) {
 			zval_ptr_dtor(o);
 		}
 	}
-	if (value && !Z_ISUNDEF_P(value)) {
-		const char *t[] = {
-				"UNDEF",
-				"NULL",
-				"FALSE",
-				"TRUE",
-				"int",
-				"float",
-				"string",
-				"Array",
-				"Object",
-				"resource",
-				"reference",
-				"constant",
-				"constant AST",
-				"_BOOL",
-				"callable",
-				"indirect",
-				"---",
-				"pointer"
-		};
-		fprintf(stderr, " = (%s) ", t[Z_TYPE_P(value)&0xf]);
-		if (!Z_ISUNDEF_P(value) && Z_TYPE_P(value) != IS_INDIRECT) {
-			zend_print_flat_zval_r(value TSRMLS_CC);
+	if (value) {
+		fprintf(stderr, "%.*s", 32-width, "                                ");
+		if (Z_ISUNDEF_P(value)) {
+			fprintf(stderr, " = UNDEF");
+		} else {
+			fprintf(stderr, " = %-14p < %-10s rc=%-2d%s> ",
+					Z_REFCOUNTED_P(value) ? Z_COUNTED_P(value) : NULL,
+					_type(value),
+					Z_REFCOUNTED_P(value) ? Z_REFCOUNT_P(value) : 0,
+					Z_ISREF_P(value) ? "(ref)  " : "(noref)");
+			if (!Z_ISUNDEF_P(value) && Z_TYPE_P(value) != IS_INDIRECT) {
+				zend_print_flat_zval_r(value TSRMLS_CC);
+			}
 		}
 	}
 
 	fprintf(stderr, "\n");
 }
 #else
-#define debug_propro(l, f, obj, off, val)
+#define debug_propro(l, f, obj, proxy, off, val)
 #endif
 
+php_property_proxy_t *php_property_proxy_init(zval *container, zend_string *member)
+{
+	php_property_proxy_t *proxy = ecalloc(1, sizeof(*proxy));
+#if DEBUG_PROPRO
+	zval offset;
+
+	ZVAL_STR_COPY(&offset, member);
+#endif
+
+	if (container) {
+		ZVAL_COPY(&proxy->container, container);
+	}
+	proxy->member = zend_string_copy(member);
+
+	debug_propro(0, "init", NULL, proxy, &offset, NULL);
+
+#if DEBUG_PROPRO
+	zval_dtor(&offset);
+#endif
+
+	return proxy;
+}
+
+void php_property_proxy_free(php_property_proxy_t **proxy)
+{
+#if DEBUG_PROPRO
+	zval offset;
+
+	ZVAL_STR_COPY(&offset, (*proxy)->member);
+	debug_propro(0, "free", NULL, *proxy, &offset, NULL);
+#endif
+
+	if (*proxy) {
+		if (!Z_ISUNDEF((*proxy)->container)) {
+			zval_ptr_dtor(&(*proxy)->container);
+			ZVAL_UNDEF(&(*proxy)->container);
+		}
+		zend_string_release((*proxy)->member);
+		(*proxy)->member = NULL;
+		efree(*proxy);
+		*proxy = NULL;
+	}
+
+#if DEBUG_PROPRO
+	zval_dtor(&offset);
+#endif
+}
+
+static zend_class_entry *php_property_proxy_class_entry;
+static zend_object_handlers php_property_proxy_object_handlers;
+
+zend_class_entry *php_property_proxy_get_class_entry(void)
+{
+	return php_property_proxy_class_entry;
+}
+
 php_property_proxy_object_t *php_property_proxy_object_new_ex(
 		zend_class_entry *ce, php_property_proxy_t *proxy)
 {
@@ -161,8 +231,6 @@ php_property_proxy_object_t *php_property_proxy_object_new_ex(
 	o->proxy = proxy;
 	o->zo.handlers = &php_property_proxy_object_handlers;
 
-	debug_propro(0, "init", o, NULL, NULL);
-
 	return o;
 }
 
@@ -175,8 +243,6 @@ static void destroy_obj(zend_object *object)
 {
 	php_property_proxy_object_t *o = PHP_PROPRO_PTR(object);
 
-	debug_propro(0, "dtor", o, NULL, NULL);
-
 	if (o->proxy) {
 		php_property_proxy_free(&o->proxy);
 	}
@@ -189,231 +255,311 @@ static void destroy_obj(zend_object *object)
 
 static inline php_property_proxy_object_t *get_propro(zval *object)
 {
-	object = get_referenced_zval(object);
-	switch (Z_TYPE_P(object)) {
-	case IS_OBJECT:
-		break;
+	ZEND_ASSERT(Z_TYPE_P(object) == IS_OBJECT);
+	return PHP_PROPRO_PTR(Z_OBJ_P(object));
+}
 
-	EMPTY_SWITCH_DEFAULT_CASE();
+static HashTable *get_gc(zval *object, zval **table, int *n)
+{
+	php_property_proxy_object_t *o = get_propro(object);
+
+	if (Z_ISUNDEF(o->parent)) {
+		*table = &o->proxy->container;
+	} else {
+		*table = &o->parent;
 	}
-	return PHP_PROPRO_PTR(Z_OBJ_P(object));
+	*n = 1;
+	return NULL;
 }
 
-static inline zend_bool got_value(zval *container, zval *value)
+static HashTable *get_debug_info(zval *object, int *is_temp)
 {
-	zval identical;
+	HashTable *ht;
+	zval *zmember;
+	php_property_proxy_object_t *obj = get_propro(object);
 
-	if (!Z_ISUNDEF_P(value)) {
-		if (SUCCESS == is_identical_function(&identical, value, container)) {
-			if (Z_TYPE(identical) != IS_TRUE) {
-				return 1;
-			}
-		}
+	ALLOC_HASHTABLE(ht);
+	zend_hash_init(ht, 3, NULL, NULL, 0);
+
+	if (Z_ISUNDEF(obj->parent)) {
+		zend_hash_str_add_empty_element(ht, "parent", sizeof("parent")-1);
+		zend_hash_str_add(ht, "container", sizeof("container")-1, &obj->proxy->container);
+	} else {
+		zend_hash_str_add(ht, "parent", sizeof("parent")-1, &obj->parent);
+		zend_hash_str_add_empty_element(ht, "container", sizeof("container")-1);
 	}
 
-	return 0;
+	zmember = zend_hash_str_add_empty_element(ht, "member", sizeof("member")-1);
+	ZVAL_STR(zmember, obj->proxy->member);
+
+	*is_temp = 1;
+	return ht;
 }
 
-static zval *get_parent_proxied_value(zval *object, zval *return_value)
+static ZEND_RESULT_CODE cast_obj(zval *object, zval *return_value, int type)
 {
-	php_property_proxy_object_t *obj;
+	zval tmp;
 
-	obj = get_propro(object);
-	debug_propro(1, "parent_get", obj, NULL, NULL);
+	ZVAL_UNDEF(&tmp);
+	RETVAL_ZVAL(get_proxied_value(object, &tmp), 1, 0);
 
-	if (obj->proxy) {
-		if (!Z_ISUNDEF(obj->parent)) {
-			get_proxied_value(&obj->parent, return_value);
-		}
+	debug_propro(0, "cast", get_propro(object), NULL, NULL, return_value);
+
+	if (!Z_ISUNDEF_P(return_value)) {
+		ZVAL_DEREF(return_value);
+		convert_to_explicit_type_ex(return_value, type);
+		return SUCCESS;
 	}
 
-	debug_propro(-1, "parent_get", obj, NULL, return_value);
+	return FAILURE;
+}
+
+static zval *get_obj(zval *object, zval *return_value)
+{
+	zval tmp;
 
+	ZVAL_UNDEF(&tmp);
+	RETVAL_ZVAL(get_proxied_value(object, &tmp), 1, 0);
 	return return_value;
 }
 
-static zval *get_proxied_value(zval *object, zval *return_value)
+static void set_obj(zval *object, zval *value) {
+	set_proxied_value(object, value);
+}
+
+static inline zval *get_container(zval *object, zval *tmp)
 {
-	zval *hash_value, *ref, prop_tmp;
-	php_property_proxy_object_t *obj;
+	php_property_proxy_object_t *obj = get_propro(object);
+	zval *container;
 
-	obj = get_propro(object);
-	debug_propro(1, "get", obj, NULL, NULL);
+	if (Z_ISUNDEF(obj->parent)) {
+		container = &obj->proxy->container;
+	} else {
+		container = get_proxied_value(&obj->parent, tmp);
+	}
+	return container;
+}
 
-	if (obj->proxy) {
-		if (!Z_ISUNDEF(obj->parent)) {
-			zval parent_value;
+static inline void set_container(zval *object, zval *container)
+{
+	php_property_proxy_object_t *obj = get_propro(object);
 
-			ZVAL_UNDEF(&parent_value);
-			get_parent_proxied_value(object, &parent_value);
+	if (Z_ISUNDEF(obj->parent)) {
+		if (container != &obj->proxy->container) {
+			zval tmp;
 
-			if (got_value(&obj->proxy->container, &parent_value)) {
-				zval_ptr_dtor(&obj->proxy->container);
-				ZVAL_COPY(&obj->proxy->container, &parent_value);
-			}
+			ZVAL_COPY_VALUE(&tmp, &obj->proxy->container);
+			ZVAL_COPY(&obj->proxy->container, container);
+			zval_ptr_dtor(&tmp);
 		}
+	} else {
+		set_proxied_value(&obj->parent, container);
+	}
+}
 
-		ref = get_referenced_zval(&obj->proxy->container);
-
-		switch (Z_TYPE_P(ref)) {
-		case IS_OBJECT:
-			RETVAL_ZVAL(zend_read_property(Z_OBJCE_P(ref), ref,
-					obj->proxy->member->val, obj->proxy->member->len, 0, &prop_tmp),
-					0, 0);
-			break;
+static inline zval *get_container_value(zval *container, zend_string *member, zval *return_value)
+{
+	zval *found_value = NULL, prop_tmp;
 
-		case IS_ARRAY:
-			hash_value = zend_symtable_find(Z_ARRVAL_P(ref), obj->proxy->member);
+	ZVAL_DEREF(container);
+	switch (Z_TYPE_P(container)) {
+	case IS_OBJECT:
+		ZVAL_UNDEF(&prop_tmp);
+		found_value = zend_read_property(Z_OBJCE_P(container), container,
+				member->val, member->len, 0, &prop_tmp);
+		break;
 
-			if (hash_value) {
-				RETVAL_ZVAL(hash_value, 0, 0);
-			}
-			break;
-		}
+	case IS_ARRAY:
+		found_value = zend_symtable_find(Z_ARRVAL_P(container), member);
+		break;
 	}
 
-	debug_propro(-1, "get", obj, NULL, return_value);
+	if (found_value) {
+		RETVAL_ZVAL(found_value, 0, 0);
+	}
 
 	return return_value;
 }
 
-static ZEND_RESULT_CODE cast_proxied_value(zval *object, zval *return_value,
-		int type)
+static inline void cleanup_container(zval *object, zval *container, zend_bool separated)
 {
-	get_proxied_value(object, return_value);
+	if (separated) {
+		zval_ptr_dtor(container);
+	}
+}
 
-	debug_propro(0, "cast", get_propro(object), NULL, return_value);
+static inline zend_bool separate_container(zval *object, zval *container)
+{
+	switch (Z_TYPE_P(container)) {
+	case IS_OBJECT:
+		return 0;
 
-	if (!Z_ISUNDEF_P(return_value)) {
-		convert_to_explicit_type_ex(return_value, type);
-		return SUCCESS;
+	case IS_ARRAY:
+		/* always duplicate for PHP-7.0 and 7.1 on travis */
+		ZVAL_ARR(container, zend_array_dup(Z_ARRVAL_P(container)));
+		break;
+
+	case IS_UNDEF:
+		array_init(container);
+		break;
+
+	default:
+		SEPARATE_ZVAL(container);
+		Z_TRY_ADDREF_P(container);
+		convert_to_array(container);
+		break;
 	}
 
-	return FAILURE;
+	return 1;
 }
 
-static void set_proxied_value(zval *object, zval *value)
+static inline zval *set_container_value(zval *container, zend_string *member, zval *value)
 {
-	php_property_proxy_object_t *obj;
-	zval *ref;
+	ZVAL_DEREF(container);
+	switch (Z_TYPE_P(container)) {
+	case IS_OBJECT:
+		zend_update_property(Z_OBJCE_P(container), container,
+				member->val, member->len, value);
+		break;
 
-	obj = get_propro(object);
-	debug_propro(1, "set", obj, NULL, value TSRMLS_CC);
+	case IS_ARRAY:
+		Z_TRY_ADDREF_P(value);
+		if (member) {
+			value = zend_symtable_update(Z_ARRVAL_P(container), member, value);
+		} else {
+			value = zend_hash_next_index_insert(Z_ARRVAL_P(container), value);
+		}
+		break;
+
+	default:
+		ZEND_ASSERT(0);
+		break;
+	}
+
+	return value;
+}
+
+
+static zval *get_proxied_value(zval *object, zval *return_value)
+{
+	php_property_proxy_object_t *obj = get_propro(object);
+
+	debug_propro(1, "get", obj, NULL, NULL, NULL);
 
 	if (obj->proxy) {
-		if (!Z_ISUNDEF(obj->parent)) {
-			zval parent_value;
+		zval tmp, *container;
 
-			ZVAL_UNDEF(&parent_value);
-			get_parent_proxied_value(object, &parent_value);
+		ZVAL_UNDEF(&tmp);
+		container = get_container(object, &tmp);
 
-			if (got_value(&obj->proxy->container, &parent_value)) {
-				zval_ptr_dtor(&obj->proxy->container);
-				ZVAL_COPY(&obj->proxy->container, &parent_value);
-			}
-		}
+		return_value = get_container_value(container, obj->proxy->member, return_value);
+	}
+
+	debug_propro(-1, "get", obj, NULL, NULL, return_value);
 
-		ref = get_referenced_zval(&obj->proxy->container);
+	return return_value;
+}
 
-		switch (Z_TYPE_P(ref)) {
-		case IS_OBJECT:
-			zend_update_property(Z_OBJCE_P(ref), ref, obj->proxy->member->val,
-					obj->proxy->member->len, value);
-			break;
+static void set_proxied_value(zval *object, zval *value)
+{
+	php_property_proxy_object_t *obj = get_propro(object);
 
-		default:
-			convert_to_array(ref);
-			/* no break */
+	debug_propro(1, "set", obj, NULL, NULL, value);
 
-		case IS_ARRAY:
-			Z_TRY_ADDREF_P(value);
-			zend_symtable_update(Z_ARRVAL_P(ref), obj->proxy->member, value);
-			break;
-		}
+	if (obj->proxy) {
+		zval tmp, *container;
+		zend_bool separated;
 
-		if (!Z_ISUNDEF(obj->parent)) {
-			set_proxied_value(&obj->parent, &obj->proxy->container);
-		}
+		Z_TRY_ADDREF_P(value);
+
+		ZVAL_UNDEF(&tmp);
+		container = get_container(object, &tmp);
+		separated = separate_container(object, container);
+		set_container_value(container, obj->proxy->member, value);
+		set_container(object, container);
+		cleanup_container(object, container, separated);
+
+		Z_TRY_DELREF_P(value);
+
+		debug_propro(0, "set", obj, NULL, NULL, value);
 	}
 
-	debug_propro(-1, "set", obj, NULL, NULL);
+	debug_propro(-1, "set", obj, NULL, NULL, value);
 }
 
 static zval *read_dimension(zval *object, zval *offset, int type, zval *return_value)
 {
-	zval proxied_value;
+	zval *value, tmp;
 	zend_string *member = offset ? zval_get_string(offset) : NULL;
 
-	debug_propro(1, type == BP_VAR_R ? "dim_read" : "dim_read_ref",
-			get_propro(object), offset, NULL);
+	debug_propro(1, type == BP_VAR_R ? "dim_r" : "dim_R",
+			get_propro(object), NULL, offset, NULL);
 
-	ZVAL_UNDEF(&proxied_value);
-	get_proxied_value(object, &proxied_value);
+	ZVAL_UNDEF(&tmp);
+	value = get_proxied_value(object, &tmp);
 
-	if (BP_VAR_R == type && member && !Z_ISUNDEF(proxied_value)) {
-		if (Z_TYPE(proxied_value) == IS_ARRAY) {
-			zval *hash_value = zend_symtable_find(Z_ARRVAL(proxied_value),
-					member);
+	if (type == BP_VAR_R || type == BP_VAR_IS) {
+		ZEND_ASSERT(member);
 
-			if (hash_value) {
-				RETVAL_ZVAL(hash_value, 1, 0);
-			}
+		if (!Z_ISUNDEF_P(value)) {
+			zval tmp;
+
+			ZVAL_UNDEF(&tmp);
+			RETVAL_ZVAL(get_container_value(value, member, &tmp), 1, 0);
 		}
 	} else {
 		php_property_proxy_t *proxy;
 		php_property_proxy_object_t *proxy_obj;
 
-		if (!Z_ISUNDEF(proxied_value)) {
-			convert_to_array(&proxied_value);
-			Z_ADDREF(proxied_value);
-		} else {
-			array_init(&proxied_value);
-			set_proxied_value(object, &proxied_value);
+		if (Z_ISUNDEF_P(value)) {
+			ZVAL_NULL(value);
 		}
 
 		if (!member) {
-			member = zend_long_to_str(zend_hash_next_free_element(
-					Z_ARRVAL(proxied_value)));
+			if (Z_TYPE_P(value) == IS_ARRAY) {
+				member = zend_long_to_str(zend_hash_next_free_element(
+					Z_ARRVAL_P(value)));
+			} else if (Z_TYPE_P(value) != IS_OBJECT){
+				member = zend_long_to_str(0);
+			}
 		}
 
-		proxy = php_property_proxy_init(&proxied_value, member);
-		zval_ptr_dtor(&proxied_value);
-
+		proxy = php_property_proxy_init(NULL, member);
 		proxy_obj = php_property_proxy_object_new_ex(NULL, proxy);
 		ZVAL_COPY(&proxy_obj->parent, object);
 		RETVAL_OBJ(&proxy_obj->zo);
+
+		debug_propro(0, "dim_R pp", get_propro(object), NULL, offset, return_value);
 	}
 
 	if (member) {
 		zend_string_release(member);
 	}
 
-	debug_propro(-1, type == BP_VAR_R ? "dim_read" : "dim_read_ref",
-			get_propro(object), offset, return_value);
+	debug_propro(-1, type == BP_VAR_R ? "dim_r" : "dim_R",
+			get_propro(object), NULL, offset, return_value);
 
 	return return_value;
 }
 
 static int has_dimension(zval *object, zval *offset, int check_empty)
 {
-	zval proxied_value;
+	zval *value, tmp;
 	int exists = 0;
 
-	debug_propro(1, "dim_exists", get_propro(object), offset, NULL);
+	debug_propro(1, "dim_e", get_propro(object), NULL, offset, NULL);
 
-	ZVAL_UNDEF(&proxied_value);
-	get_proxied_value(object, &proxied_value);
-	if (Z_ISUNDEF(proxied_value)) {
-		exists = 0;
-	} else {
+	ZVAL_UNDEF(&tmp);
+	value = get_proxied_value(object, &tmp);
+
+	if (!Z_ISUNDEF_P(value)) {
 		zend_string *zs = zval_get_string(offset);
 
-		if (Z_TYPE(proxied_value) == IS_ARRAY) {
-			zval *zentry = zend_symtable_find(Z_ARRVAL(proxied_value), zs);
+		ZVAL_DEREF(value);
+		if (Z_TYPE_P(value) == IS_ARRAY) {
+			zval *zentry = zend_symtable_find(Z_ARRVAL_P(value), zs);
 
-			if (!zentry) {
-				exists = 0;
-			} else {
+			if (zentry) {
 				if (check_empty) {
 					exists = !Z_ISNULL_P(zentry);
 				} else {
@@ -425,103 +571,88 @@ static int has_dimension(zval *object, zval *offset, int check_empty)
 		zend_string_release(zs);
 	}
 
-	debug_propro(-1, "dim_exists", get_propro(object), offset, NULL);
+	debug_propro(-1, "dim_e", get_propro(object), NULL, offset, NULL);
 
 	return exists;
 }
 
-static void write_dimension(zval *object, zval *offset, zval *value)
+static void write_dimension(zval *object, zval *offset, zval *input_value)
 {
-	zval proxied_value;
+	zval *array, tmp;
+	zend_string *zs = NULL;
+	zend_bool separated;
 
-	debug_propro(1, "dim_write", get_propro(object), offset, value);
+	debug_propro(1, "dim_w", get_propro(object), NULL, offset, input_value);
 
-	ZVAL_UNDEF(&proxied_value);
-	get_proxied_value(object, &proxied_value);
-
-	if (!Z_ISUNDEF(proxied_value)) {
-		if (Z_TYPE(proxied_value) == IS_ARRAY) {
-			Z_ADDREF(proxied_value);
-		} else {
-			convert_to_array(&proxied_value);
-		}
-	} else {
-		array_init(&proxied_value);
+	if (offset) {
+		zs = zval_get_string(offset);
 	}
 
-	SEPARATE_ZVAL(value);
-	Z_TRY_ADDREF_P(value);
+	ZVAL_UNDEF(&tmp);
+	array = get_proxied_value(object, &tmp);
+	separated = separate_container(object, array);
+	set_container_value(array, zs, input_value);
+	set_proxied_value(object, array);
+	cleanup_container(object, array, separated);
 
-	if (offset) {
-		zend_string *zs = zval_get_string(offset);
-		zend_symtable_update(Z_ARRVAL(proxied_value), zs, value);
+	if (zs) {
 		zend_string_release(zs);
-	} else {
-		zend_hash_next_index_insert(Z_ARRVAL(proxied_value), value);
 	}
 
-	set_proxied_value(object, &proxied_value);
-
-	debug_propro(-1, "dim_write", get_propro(object), offset, &proxied_value);
-
-	zval_ptr_dtor(&proxied_value);
+	debug_propro(-1, "dim_w", get_propro(object), NULL, offset, input_value);
 }
 
 static void unset_dimension(zval *object, zval *offset)
 {
-	zval proxied_value;
+	zval *array, *value, tmp;
 
-	debug_propro(1, "dim_unset", get_propro(object), offset, NULL);
+	debug_propro(1, "dim_u", get_propro(object), NULL, offset, NULL);
 
-	ZVAL_UNDEF(&proxied_value);
-	get_proxied_value(object, &proxied_value);
+	ZVAL_UNDEF(&tmp);
+	value = get_proxied_value(object, &tmp);
+	array = value;
+	ZVAL_DEREF(array);
 
-	if (Z_TYPE(proxied_value) == IS_ARRAY) {
-		zval *o = offset;
-		ZEND_RESULT_CODE rv;
+	if (Z_TYPE_P(array) == IS_ARRAY) {
+		zend_string *o = zval_get_string(offset);
 
-		convert_to_string_ex(o);
-		rv = zend_symtable_del(Z_ARRVAL(proxied_value), Z_STR_P(o));
-		if (SUCCESS == rv) {
-			set_proxied_value(object, &proxied_value);
-		}
+		SEPARATE_ARRAY(array);
+		zend_symtable_del(Z_ARRVAL_P(array), o);
 
-		if (o != offset) {
-			zval_ptr_dtor(o);
-		}
+		set_proxied_value(object, value);
+
+		zend_string_release(o);
 	}
 
-	debug_propro(-1, "dim_unset", get_propro(object), offset, &proxied_value);
+	debug_propro(-1, "dim_u", get_propro(object), NULL, offset, NULL);
 }
 
 ZEND_BEGIN_ARG_INFO_EX(ai_propro_construct, 0, 0, 2)
-	ZEND_ARG_INFO(1, object)
+	ZEND_ARG_INFO(0, object)
 	ZEND_ARG_INFO(0, member)
 	ZEND_ARG_OBJ_INFO(0, parent, php\\PropertyProxy, 1)
 ZEND_END_ARG_INFO();
 static PHP_METHOD(propro, __construct) {
 	zend_error_handling zeh;
-	zval *container, *parent = NULL;
+	zval *reference, *parent = NULL;
 	zend_string *member;
 
 	zend_replace_error_handling(EH_THROW, NULL, &zeh);
-	if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(), "zS|O!",
-			&container, &member, &parent,
+	if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(), "o!S|O!",
+			&reference, &member, &parent,
 			php_property_proxy_class_entry)) {
 		php_property_proxy_object_t *obj;
-		zval *ref = get_referenced_zval(container);
-
-		switch (Z_TYPE_P(ref)) {
-		case IS_OBJECT:
-		case IS_ARRAY:
-			break;
-		default:
-			convert_to_array(ref);
-		}
+
 		obj = get_propro(getThis());
-		obj->proxy = php_property_proxy_init(container, member);
+
 		if (parent) {
 			ZVAL_COPY(&obj->parent, parent);
+			obj->proxy = php_property_proxy_init(NULL, member);
+		} else if (reference) {
+			zval *container = reference;
+			obj->proxy = php_property_proxy_init(container, member);
+		} else {
+			php_error(E_WARNING, "Either object or parent must be set");
 		}
 	}
 	zend_restore_error_handling(&zeh);
@@ -546,9 +677,11 @@ static PHP_MINIT_FUNCTION(propro)
 			sizeof(zend_object_handlers));
 	php_property_proxy_object_handlers.offset = XtOffsetOf(php_property_proxy_object_t, zo);
 	php_property_proxy_object_handlers.free_obj = destroy_obj;
-	php_property_proxy_object_handlers.set = set_proxied_value;
-	php_property_proxy_object_handlers.get = get_proxied_value;
-	php_property_proxy_object_handlers.cast_object = cast_proxied_value;
+	php_property_proxy_object_handlers.get_gc = get_gc;
+	php_property_proxy_object_handlers.get_debug_info = get_debug_info;
+	php_property_proxy_object_handlers.set = set_obj;
+	php_property_proxy_object_handlers.get = get_obj;
+	php_property_proxy_object_handlers.cast_object = cast_obj;
 	php_property_proxy_object_handlers.read_dimension = read_dimension;
 	php_property_proxy_object_handlers.write_dimension = write_dimension;
 	php_property_proxy_object_handlers.has_dimension = has_dimension;