public object visit_super(SuperExpr super_expr)
{
// Get the superclass and the 'this' object
WavyClass superclass = (WavyClass)local_scope.get("super");
WavyObject obj = (WavyObject)local_scope.get("this");
// Get the method from the superclass
WavyFunction method = superclass.find_method(obj, (string)super_expr.identifier.value);
if (method == null)
{
throw new RuntimeException("Undefined method of superclass '" + super_expr.identifier.value + "'");
}
return(method);
}
public WavyFunction find_method(WavyObject obj, string identifier)
{
// Find method in this class
if (this.methods.ContainsKey(identifier))
{
return(methods[identifier].bind(obj));
}
// Find method in superclass
if (superclass != null)
{
return(superclass.find_method(obj, identifier));
}
return(null);
}
public object get(string identifier)
{
// Check class methods
WavyFunction method = the_class.find_method(this, identifier);
if (method != null)
{
return(method);
}
// Check object members
object member = find_member(identifier);
if (member != null)
{
return(member);
}
throw new RuntimeException("Class member/method cannot be found '" + identifier + "'");
}
