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diff --git a/source/blender/makesrna/RNA_access.h b/source/blender/makesrna/RNA_access.h
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+++ b/source/blender/makesrna/RNA_access.h
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+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * Contributor(s): Blender Foundation (2008).
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef RNA_ACCESS
+#define RNA_ACCESS
+
+struct bContext;
+struct BlenderRNA;
+struct StructRNA;
+struct PropertyRNA;
+struct PointerRNA;
+struct CollectionPropertyIterator;
+struct Main;
+
+/* Pointer
+ *
+ * Currently only an RNA pointer to Main can be obtained, this
+ * should  be extended to allow making other pointers as well. */
+
+void RNA_pointer_main_get(struct Main *main, struct PointerRNA *r_ptr);
+
+/* Property
+ *
+ * Access to struct properties. All this works with RNA pointers rather than
+ * direct pointers to the data. */
+
+int RNA_property_editable(struct PropertyRNA *prop, struct PointerRNA *ptr);
+int RNA_property_evaluated(struct PropertyRNA *prop, struct PointerRNA *ptr);
+
+void RNA_property_notify(struct PropertyRNA *prop, struct bContext *C, struct PointerRNA *ptr);
+
+int RNA_property_boolean_get(struct PropertyRNA *prop, struct PointerRNA *ptr);
+void RNA_property_boolean_set(struct PropertyRNA *prop, struct PointerRNA *ptr, int value);
+int RNA_property_boolean_get_array(struct PropertyRNA *prop, struct PointerRNA *ptr, int index);
+void RNA_property_boolean_set_array(struct PropertyRNA *prop, struct PointerRNA *ptr, int index, int value);
+
+int RNA_property_int_get(struct PropertyRNA *prop, struct PointerRNA *ptr);
+void RNA_property_int_set(struct PropertyRNA *prop, struct PointerRNA *ptr, int value);
+int RNA_property_int_get_array(struct PropertyRNA *prop, struct PointerRNA *ptr, int index);
+void RNA_property_int_set_array(struct PropertyRNA *prop, struct PointerRNA *ptr, int index, int value);
+
+float RNA_property_float_get(struct PropertyRNA *prop, struct PointerRNA *ptr);
+void RNA_property_float_set(struct PropertyRNA *prop, struct PointerRNA *ptr, float value);
+float RNA_property_float_get_array(struct PropertyRNA *prop, struct PointerRNA *ptr, int index);
+void RNA_property_float_set_array(struct PropertyRNA *prop, struct PointerRNA *ptr, int index, float value);
+
+void RNA_property_string_get(struct PropertyRNA *prop, struct PointerRNA *ptr, char *value);
+char *RNA_property_string_get_alloc(struct PropertyRNA *prop, struct PointerRNA *ptr, char *fixedbuf, int fixedlen);
+int RNA_property_string_length(struct PropertyRNA *prop, struct PointerRNA *ptr);
+void RNA_property_string_set(struct PropertyRNA *prop, struct PointerRNA *ptr, const char *value);
+
+int RNA_property_enum_get(struct PropertyRNA *prop, struct PointerRNA *ptr);
+void RNA_property_enum_set(struct PropertyRNA *prop, struct PointerRNA *ptr, int value);
+
+void RNA_property_pointer_get(struct PropertyRNA *prop, struct PointerRNA *ptr, struct PointerRNA *r_ptr);
+void RNA_property_pointer_set(struct PropertyRNA *prop, struct PointerRNA *ptr, struct PointerRNA *ptr_value);
+struct StructRNA *RNA_property_pointer_type(struct PropertyRNA *prop, struct PointerRNA *ptr);
+
+void RNA_property_collection_begin(struct PropertyRNA *prop, struct CollectionPropertyIterator *iter, struct PointerRNA *ptr);
+void RNA_property_collection_next(struct PropertyRNA *prop, struct CollectionPropertyIterator *iter);
+void RNA_property_collection_end(struct PropertyRNA *prop, struct CollectionPropertyIterator *iter);
+void RNA_property_collection_get(struct PropertyRNA *prop, struct CollectionPropertyIterator *iter, struct PointerRNA *r_ptr);
+struct StructRNA *RNA_property_collection_type(struct PropertyRNA *prop, struct CollectionPropertyIterator *iter);
+int RNA_property_collection_length(struct PropertyRNA *prop, struct PointerRNA *ptr);
+int RNA_property_collection_lookup_int(struct PropertyRNA *prop, struct PointerRNA *ptr, int key, struct PointerRNA *r_ptr);
+int RNA_property_collection_lookup_string(struct PropertyRNA *prop, struct PointerRNA *ptr, const char *key, struct PointerRNA *r_ptr);
+
+/* Path
+ *
+ * Experimental method to refer to structs and properties with a string,
+ * using a syntax like: scenes[0].objects["Cube"].data.verts[7].co
+ *
+ * This provides a way to refer to RNA data while being detached from any
+ * particular pointers, which is useful in a number of applications, like
+ * UI code or Actions, though efficiency is a concern. */
+
+char *RNA_path_append(const char *path, struct PropertyRNA *prop, int intkey, const char *strkey);
+char *RNA_path_back(const char *path);
+
+int RNA_path_resolve(struct PointerRNA *ptr, const char *path,
+	struct PointerRNA *r_ptr, struct PropertyRNA **r_prop);
+
+/* Dependency
+ *
+ * Experimental code that will generate callbacks for each dependency
+ * between ID types. This may end up being useful for UI
+ * and evaluation code that needs to know such dependencies for correct
+ * redraws and re-evaluations. */
+
+typedef void (*PropDependencyCallback)(void *udata, struct PointerRNA *from, struct PointerRNA *to);
+void RNA_test_dependencies_cb(void *udata, struct PointerRNA *from, struct PointerRNA *to);
+
+void RNA_generate_dependencies(struct PointerRNA *mainptr, void *udata, PropDependencyCallback cb);
+
+#endif /* RNA_ACCESS */
+