--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/accessor.h	Mon Nov 30 15:36:12 2009 +0100
@@ -0,0 +1,65 @@
+#ifndef __ACCESSOR_H
+#define __ACCESSOR_H
+
+// variable declaration macros
+#define __DECLARE_VAR(type, name)\
+	type name;
+#define __DECLARE_GLOBAL(type, resource, name)\
+	type resource##__##name;\
+	static type *GLOBAL__##name = &resource##__##name;\
+	type __GET_GLOBAL_##name(void) {return *GLOBAL__##name;}\
+	void __SET_GLOBAL_##name(type value) {*GLOBAL__##name = value;}
+#define __DECLARE_GLOBAL_LOCATION(type, location)\
+	extern type *location;
+#define __DECLARE_GLOBAL_LOCATED(type, resource, name)\
+	type *resource##__##name;\
+	static type *GLOBAL__##name;\
+	type __GET_GLOBAL_##name(void) {return *GLOBAL__##name;}\
+	void __SET_GLOBAL_##name(type value) {*GLOBAL__##name = value;}
+#define __DECLARE_EXTERNAL(type, name)\
+	type *name;
+#define __DECLARE_LOCATED(type, name)\
+	type *name;
+
+
+// variable initialization macros
+#define __INIT_VAR(name, initial)\
+	name = initial;
+#define __INIT_GLOBAL(name, initial)\
+	*GLOBAL__##name = initial;
+#define __INIT_GLOBAL_LOCATED(resource, name, location)\
+	resource##__##name = location;\
+    GLOBAL__##name = location;
+#define __INIT_EXTERNAL(type, global, name)\
+	{extern type *GLOBAL__##global;\
+	 name = GLOBAL__##global;}
+#define __INIT_LOCATED(type, location, name)\
+	{extern type *location;\
+	 name = location;}
+#define __INIT_LOCATED_VALUE(name, initial)\
+	*name = initial;
+
+
+// variable getting macros
+#define __GET_VAR(name)\
+	name
+#define __GET_EXTERNAL(name)\
+	__GET_GLOBAL_##name()
+#define __GET_LOCATED(name)\
+	*(name)
+#define __GET_VAR_BY_REF(name)\
+	&(name)
+#define __GET_EXTERNAL_BY_REF(name)\
+	GLOBAL__##name
+#define __GET_LOCATED_BY_REF(name)\
+	name
+
+// variable setting macros
+#define __SET_VAR(name, new_value)\
+	name = new_value
+#define __SET_EXTERNAL(name, new_value)\
+	__SET_GLOBAL_##name(value)
+#define __SET_LOCATED(name, new_value)\
+	*(name) = value
+
+#endif //__ACCESSOR_H