1 files changed, 122 insertions, 0 deletions
diff --git a/Zend/zend_objects.c b/Zend/zend_objects.c
new file mode 100644
index 0000000000..2380f778fc
--- /dev/null
+++ b/Zend/zend_objects.c
@@ -0,0 +1,122 @@
+#include "zend.h"
+#include "zend_globals.h"
+
+#define ZEND_DEBUG_OBJECTS 0
+
+static zend_object_handlers zoh = {
+	zend_objects_get_address,
+	NULL,
+	zend_objects_add_ref,
+	zend_objects_del_ref,
+	zend_objects_delete_obj
+};
+
+void zend_objects_init(zend_objects *objects, zend_uint init_size)
+{
+	objects->object_buckets = (zend_object_bucket *) emalloc(init_size * sizeof(zend_object_bucket));
+	objects->top = 1; /* Skip 0 so that handles are true */
+	objects->size = init_size;
+	objects->free_list_head = -1;
+}
+
+void zend_objects_destroy(zend_objects *objects)
+{
+	efree(objects->object_buckets);
+}
+
+zend_object_value zend_objects_new(zend_object **object)
+{
+	TSRMLS_FETCH();
+
+	zend_object_handle handle;
+	zend_object_value retval;
+
+	if (EG(objects).free_list_head != -1) {
+		handle = EG(objects).free_list_head;
+		EG(objects).free_list_head = EG(objects).object_buckets[handle].bucket.free_list.next;
+	} else {
+		if (EG(objects).top == EG(objects).size) {
+			EG(objects).size <<= 1;
+			EG(objects).object_buckets = (zend_object_bucket *) erealloc(EG(objects).object_buckets, EG(objects).size * sizeof(zend_object_bucket));
+		}
+		handle = EG(objects).top++;
+	}
+	EG(objects).object_buckets[handle].valid = 1;
+	EG(objects).object_buckets[handle].bucket.obj.refcount = 1;
+	*object = &EG(objects).object_buckets[handle].bucket.obj.object;
+	retval.handle = handle;
+	retval.handlers = zoh;
+#if ZEND_DEBUG_OBJECTS
+	fprintf(stderr, "Allocated object id #%d\n", handle);
+#endif
+	return retval;
+}
+
+zend_object *zend_objects_get_address(zend_object_handle handle)
+{
+	TSRMLS_FETCH();
+
+	if (!EG(objects).object_buckets[handle].valid) {
+		zend_error(E_ERROR, "Trying to access invalid object");
+	}
+	return &EG(objects).object_buckets[handle].bucket.obj.object;
+}
+
+void zend_objects_add_ref(zend_object_handle handle)
+{
+	TSRMLS_FETCH();
+
+	if (!EG(objects).object_buckets[handle].valid) {
+		zend_error(E_ERROR, "Trying to add reference to invalid object");
+	}
+
+	EG(objects).object_buckets[handle].bucket.obj.refcount++;
+#if ZEND_DEBUG_OBJECTS
+	fprintf(stderr, "Increased refcount of object id #%d\n", handle);
+#endif
+}
+
+void zend_objects_delete_obj(zend_object_handle handle)
+{
+	zend_object *object;
+	TSRMLS_FETCH();
+
+	if (!EG(objects).object_buckets[handle].valid) {
+		zend_error(E_ERROR, "Trying to delete invalid object");
+	}
+
+	object = &EG(objects).object_buckets[handle].bucket.obj.object;
+	zend_hash_destroy(object->properties);
+	efree(object->properties);
+	EG(objects).object_buckets[handle].valid = 0;
+#if ZEND_DEBUG_OBJECTS
+	fprintf(stderr, "Deleted object id #%d\n", handle);
+#endif
+
+}
+
+void zend_objects_del_ref(zend_object_handle handle)
+{
+	TSRMLS_FETCH();
+
+	if (--EG(objects).object_buckets[handle].bucket.obj.refcount == 0) {
+		zend_object *object;
+
+		if (EG(objects).object_buckets[handle].valid) {
+			object = &EG(objects).object_buckets[handle].bucket.obj.object;
+			zend_hash_destroy(object->properties);
+			efree(object->properties);
+		}
+		EG(objects).object_buckets[handle].bucket.free_list.next = EG(objects).free_list_head;
+		EG(objects).free_list_head = handle;
+		EG(objects).object_buckets[handle].valid = 0;
+#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
+}