public JingleFunc findMethod(string name)
{
if (methods.ContainsKey(name))
{
return(methods[name]);
}
if (superclass != null)
{
return(superclass.findMethod(name));
}
return(null);
}
public object get(Token name)
{
if (fields.ContainsKey(name.lexeme))
{
return(fields[name.lexeme]);
}
JingleFunc method = jnclass.findMethod(name.lexeme);
if (method != null)
{
return(method.bind(this));
}
throw new RuntimeError(name, "Undefined property '" + name.lexeme + "'.");
}
public object visitSuperExpr(Expr.Super expr)
{
int distance = locals[expr];
JingleClass superclass = (JingleClass)environment.getAt(distance, "super");
Instance object_ = (Instance)environment.getAt(distance - 1, "this");
JingleFunc method = superclass.findMethod(expr.method.lexeme);
if (method == null)
{
throw new RuntimeError(expr.method, "Undefined property '" + expr.method.lexeme + "'.");
}
return(method.bind(object_));
}