Use closure stuff for making built in *_rule functions, simplifying the code.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@990 0fc631ac-6414-0410-93d0-97cfa31319b6

src/script/context.hpp

@@ -70,6 +70,9 @@ class Context {
 	 */
 	int getVariableScope(Variable var);
 	
+	/// Make a closure of the function with the direct parameters of the current call
+	ScriptValueP makeClosure(const ScriptValueP& fun);
+	
   private:
 	
 	/// Open a new scope