X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Fphp_propro_api.c;h=631f707c3a9a77d9944c77240851a0df6ff4489e;hb=c5b306a3e265073a7d05a039e0470b8281c45f58;hp=108cdbb6e255414c1de0e69d5a991b2194ce08b5;hpb=107ea2284072f3f2bf9ea568ad82c047f8206963;p=m6w6%2Fext-propro

diff --git a/src/php_propro_api.c b/src/php_propro_api.c
index 108cdbb..631f707 100644
--- a/src/php_propro_api.c
+++ b/src/php_propro_api.c
@@ -20,21 +20,20 @@
 
 #include "php_propro_api.h"
 
-#define DEBUG_PROPRO 1
+#define DEBUG_PROPRO 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 void set_proxied_value(zval *object, zval *value);
+static inline zval *get_proxied_value(zval *object, zval *return_value);
+static inline void set_proxied_value(zval *object, zval *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 ZEND_RESULT_CODE cast_obj(zval *object, zval *return_value, int type);
+static void write_dimension(zval *object, zval *offset, zval *input_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 const char *inoutstr[] = {"< return","=       "," > enter "};
 static const char *types[] = {
 		"UNDEF",
 		"NULL",
@@ -48,7 +47,7 @@ static const char *types[] = {
 		"resource",
 		"reference",
 		"constant",
-		"constant AST",
+		"const AST",
 		"_BOOL",
 		"callable",
 		"indirect",
@@ -56,36 +55,69 @@ static const char *types[] = {
 		"pointer"
 };
 
-static void _walk(php_property_proxy_object_t *obj)
+static const char *_type(zval *zv)
+{
+	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 int _walk(php_property_proxy_object_t *obj)
 {
+	int p = 0;
+
 	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,
 		php_property_proxy_t *proxy,
 		zval *offset, zval *value)
 {
+	int width;
+	zval tmp, *container = &tmp;
+
 	if (!proxy && obj) {
 		proxy = obj->proxy;
 	}
 
-	fprintf(stderr, "#PP %p (%p) %s %s %s ",
-			proxy,
-			proxy->container.value.counted,
-			&space[sizeof(space)-level],
-			inoutstr[inout+1], f);
+	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'
@@ -99,21 +131,22 @@ 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) {
+		fprintf(stderr, "%.*s", 32-width, "                                ");
 		if (Z_ISUNDEF_P(value)) {
 			fprintf(stderr, " = UNDEF");
 		} else {
-			fprintf(stderr, " = (%s", types[Z_TYPE_P(value)&0xf]);
-			if (Z_REFCOUNTED_P(value)) {
-				fprintf(stderr, " rc=%u is_ref=%d", Z_REFCOUNT_P(value), Z_ISREF_P(value));
-			}
-			fprintf(stderr, ") ");
+			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);
 			}
@@ -135,15 +168,12 @@ php_property_proxy_t *php_property_proxy_init(zval *container, zend_string *memb
 	ZVAL_STR_COPY(&offset, member);
 #endif
 
-	debug_propro(1, "init", NULL, proxy, &offset, container);
-
-	ZVAL_COPY(&proxy->container, container);
-	if (Z_TYPE_P(container) == IS_ARRAY) {
-		HT_ALLOW_COW_VIOLATION(Z_ARRVAL_P(container));
+	if (container) {
+		ZVAL_COPY(&proxy->container, container);
 	}
 	proxy->member = zend_string_copy(member);
 
-	debug_propro(-1, "init", NULL, proxy, &offset, container);
+	debug_propro(0, "init", NULL, proxy, &offset, NULL);
 
 #if DEBUG_PROPRO
 	zval_dtor(&offset);
@@ -155,25 +185,23 @@ php_property_proxy_t *php_property_proxy_init(zval *container, zend_string *memb
 void php_property_proxy_free(php_property_proxy_t **proxy)
 {
 #if DEBUG_PROPRO
-	php_property_proxy_t *proxy_ptr = *proxy;
 	zval offset;
 
-	ZVAL_STR_COPY(&offset, proxy_ptr->member);
+	ZVAL_STR_COPY(&offset, (*proxy)->member);
+	debug_propro(0, "free", NULL, *proxy, &offset, NULL);
 #endif
 
-	debug_propro(1, "dtor", NULL, *proxy, &offset, NULL);
-
 	if (*proxy) {
-		debug_propro(0, "dtor", NULL, *proxy, &offset, &(*proxy)->container);
-
-		zval_ptr_dtor(&(*proxy)->container);
+		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;
 	}
 
-	debug_propro(-1, "dtor", NULL, proxy_ptr, &offset, NULL);
-
 #if DEBUG_PROPRO
 	zval_dtor(&offset);
 #endif
@@ -227,164 +255,233 @@ static void destroy_obj(zend_object *object)
 
 static inline php_property_proxy_object_t *get_propro(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, 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, 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)
 {
-	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, NULL);
+	if (Z_ISUNDEF(obj->parent)) {
+		container = &obj->proxy->container;
+	} else {
+		container = get_proxied_value(&obj->parent, tmp);
+	}
+	return container;
+}
 
-	if (obj->proxy) {
-		zval parent_value, *ref, *found_value = NULL, prop_tmp;
+static inline void set_container(zval *object, zval *container)
+{
+	php_property_proxy_object_t *obj = get_propro(object);
 
-		ZVAL_UNDEF(&parent_value);
-		if (!Z_ISUNDEF(obj->parent)) {
-			get_parent_proxied_value(object, &parent_value);
-			ref = &parent_value;
-		}
+	if (Z_ISUNDEF(obj->parent)) {
+		if (container != &obj->proxy->container) {
+			zval tmp;
 
-		if (Z_ISUNDEF(parent_value)) {
-			ref = &obj->proxy->container;
-		} else {
-			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);
+	}
+}
 
-		ZVAL_DEREF(ref);
+static inline zval *get_container_value(zval *container, zend_string *member, zval *return_value)
+{
+	zval *found_value = NULL, prop_tmp;
 
-		switch (Z_TYPE_P(ref)) {
-		case IS_OBJECT:
-			found_value = zend_read_property(Z_OBJCE_P(ref), ref,
-					obj->proxy->member->val, obj->proxy->member->len, 0,
-					&prop_tmp);
+	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;
 
-			break;
+	case IS_ARRAY:
+		found_value = zend_symtable_find(Z_ARRVAL_P(container), member);
+		break;
+	}
 
-		case IS_ARRAY:
-			found_value = zend_symtable_find(Z_ARRVAL_P(ref), obj->proxy->member);
-			break;
-		}
+	if (found_value) {
+		RETVAL_ZVAL(found_value, 0, 0);
+	}
 
-		if (found_value) {
-			RETVAL_ZVAL(found_value, 1, 0);
-		}
+	return return_value;
+}
 
-		if (!Z_ISUNDEF(obj->parent)) {
-			zval_ptr_dtor(&parent_value);
-		}
+static inline void cleanup_container(zval *object, zval *container, zend_bool separated)
+{
+	if (separated) {
+		zval_ptr_dtor(container);
 	}
+}
 
-	debug_propro(-1, "get", obj, NULL, NULL, return_value);
+static inline zend_bool separate_container(zval *object, zval *container)
+{
+	switch (Z_TYPE_P(container)) {
+	case IS_OBJECT:
+		return 0;
 
-	return return_value;
+	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 1;
 }
 
-static ZEND_RESULT_CODE cast_proxied_value(zval *object, zval *return_value,
-		int type)
+static inline zval *set_container_value(zval *container, zend_string *member, zval *value)
 {
-	get_proxied_value(object, return_value);
+	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;
 
-	debug_propro(0, "cast", get_propro(object), NULL, NULL, return_value);
+	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;
 
-	if (!Z_ISUNDEF_P(return_value)) {
-		convert_to_explicit_type_ex(return_value, type);
-		return SUCCESS;
+	default:
+		ZEND_ASSERT(0);
+		break;
 	}
 
-	return FAILURE;
+	return value;
 }
 
-static void set_proxied_value(zval *object, zval *value)
+
+static zval *get_proxied_value(zval *object, zval *return_value)
 {
-	zval parent_value, *ref = NULL;
-	php_property_proxy_object_t *obj;
+	php_property_proxy_object_t *obj = get_propro(object);
 
-	obj = get_propro(object);
-	debug_propro(1, "set", obj, NULL, NULL, value);
+	debug_propro(1, "get", obj, NULL, NULL, NULL);
 
 	if (obj->proxy) {
-		ZVAL_UNDEF(&parent_value);
-		if (!Z_ISUNDEF(obj->parent)) {
-			get_parent_proxied_value(object, &parent_value);
-			ref = &parent_value;
-		}
-		if (Z_ISUNDEF(parent_value)) {
-			ref = &obj->proxy->container;
-		} else {
-			zval_ptr_dtor(&obj->proxy->container);
-			ZVAL_COPY(&obj->proxy->container, &parent_value);
-		}
+		zval tmp, *container;
 
-		ZVAL_DEREF(ref);
+		ZVAL_UNDEF(&tmp);
+		container = get_container(object, &tmp);
 
-		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;
+		return_value = get_container_value(container, obj->proxy->member, return_value);
+	}
 
-		case IS_ARRAY:
-			Z_TRY_ADDREF_P(value);
-			zend_symtable_update(Z_ARRVAL_P(ref), obj->proxy->member, value);
-			break;
+	debug_propro(-1, "get", obj, NULL, NULL, return_value);
 
-		default:
-#if DEBUG_PROPRO
-			fprintf(stderr, "set_proxied_value: %d: %s\n",
-					Z_TYPE_P(ref),
-					types[Z_TYPE_P(ref)]);
-#endif
-			ZEND_ASSERT(0);
-		}
+	return return_value;
+}
 
-		debug_propro(0, "set", obj, NULL, NULL, ref);
+static void set_proxied_value(zval *object, zval *value)
+{
+	php_property_proxy_object_t *obj = get_propro(object);
 
-		if (!Z_ISUNDEF(obj->parent)) {
-			set_proxied_value(&obj->parent, ref);
-			zval_ptr_dtor(&parent_value);
-		}
+	debug_propro(1, "set", obj, NULL, NULL, value);
+
+	if (obj->proxy) {
+		zval tmp, *container;
+		zend_bool separated;
+
+		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, value);
@@ -392,57 +489,54 @@ static void set_proxied_value(zval *object, zval *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",
+	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;
+	if (type == BP_VAR_R || type == BP_VAR_IS) {
+		ZEND_ASSERT(member);
 
-			hash_value = zend_symtable_find(Z_ARRVAL(proxied_value), member);
+		if (!Z_ISUNDEF_P(value)) {
+			zval tmp;
 
-			if (hash_value) {
-				RETVAL_ZVAL(hash_value, 1, 0);
-			}
+			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)) {
-			SEPARATE_ZVAL(&proxied_value);
-			convert_to_array(&proxied_value);
-		} else {
-			array_init(&proxied_value);
+		if (Z_ISUNDEF_P(value)) {
+			ZVAL_NULL(value);
 		}
 
-		set_proxied_value(object, &proxied_value);
-
 		if (!member) {
-			member = zend_long_to_str(zend_hash_next_free_element(
-					Z_ARRVAL_P(Z_REFVAL(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);
-
+		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);
 	}
 
-	zval_ptr_dtor(&proxied_value);
-
-	debug_propro(-1, type == BP_VAR_R ? "dim_read" : "dim_read_ref",
+	debug_propro(-1, type == BP_VAR_R ? "dim_r" : "dim_R",
 			get_propro(object), NULL, offset, return_value);
 
 	return return_value;
@@ -450,25 +544,22 @@ static zval *read_dimension(zval *object, zval *offset, int type, zval *return_v
 
 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), NULL, offset, NULL);
+	debug_propro(1, "dim_e", 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 (Z_ISUNDEF(proxied_value)) {
-		exists = 0;
-	} else {
+	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 {
@@ -480,104 +571,88 @@ static int has_dimension(zval *object, zval *offset, int check_empty)
 		zend_string_release(zs);
 	}
 
-	zval_ptr_dtor(&proxied_value);
-
-	debug_propro(-1, "dim_exists", get_propro(object), NULL, 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;
-
-	debug_propro(1, "dim_write", get_propro(object), NULL, offset, value);
+	zval *array, tmp;
+	zend_string *zs = NULL;
+	zend_bool separated;
 
-	ZVAL_UNDEF(&proxied_value);
-	get_proxied_value(object, &proxied_value);
+	debug_propro(1, "dim_w", get_propro(object), NULL, offset, input_value);
 
-	if (!Z_ISUNDEF(proxied_value)) {
-		if (Z_TYPE(proxied_value) == IS_ARRAY) {
-			SEPARATE_ZVAL(&proxied_value);
-		} else {
-			convert_to_array(&proxied_value);
-		}
-	} else {
-		array_init(&proxied_value);
+	if (offset) {
+		zs = zval_get_string(offset);
 	}
 
-	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);
 
-	HT_ALLOW_COW_VIOLATION(Z_ARRVAL(proxied_value));
-	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);
-
-	zval_ptr_dtor(&proxied_value);
-
-	debug_propro(-1, "dim_write", get_propro(object), NULL, offset, &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), NULL, 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) {
+	if (Z_TYPE_P(array) == IS_ARRAY) {
 		zend_string *o = zval_get_string(offset);
 
-		SEPARATE_ZVAL(&proxied_value);
+		SEPARATE_ARRAY(array);
+		zend_symtable_del(Z_ARRVAL_P(array), o);
 
-		zend_symtable_del(Z_ARRVAL(proxied_value), o);
-		set_proxied_value(object, &proxied_value);
+		set_proxied_value(object, value);
 
 		zend_string_release(o);
 	}
 
-	zval_ptr_dtor(&proxied_value);
-
-	debug_propro(-1, "dim_unset", get_propro(object), NULL, 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(), "z/S|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;
 
-		switch (Z_TYPE_P(container)) {
-		case IS_OBJECT:
-		case IS_ARRAY:
-			break;
-		default:
-			convert_to_array(container);
-		}
-
 		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);
@@ -602,9 +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;