public object visitSuperExpr(Expr.Super super)
{
int distance = -1;
locals.TryGetValue(super, out distance);
List <LoxClass> superClasses = (List <LoxClass>)environment.getAt(distance, "super");
LoxInstance _object = (LoxInstance)environment.getAt(distance - 1, "this");
LoxFunction method = null;
LoxClass foundInClass = null;
foreach (LoxClass superClass in superClasses)
{
LoxFunction methodFind = superClass.findMethod(super.method.lexeme);
if (methodFind != null)
{
if (method != null)
{
throw new Exceptions.RuntimeError(super.method, "Error: Found '" + super.method.lexeme + "' in " + foundInClass.name + " and " + superClass.name + ".");
}
method = methodFind;
foundInClass = superClass;
}
}
if (method == null)
{
throw new Exceptions.RuntimeError(super.method, "Undefined property '" + super.method.lexeme + "'.");
}
return(method.bind(_object));
}
public object call(Interpreter interpreter, List <object> arguments)
{
LoxInstance instance = new LoxInstance(this);
LoxFunction initializer = findMethod("init");
if (initializer != null)
{
initializer.bind(instance).call(interpreter, arguments);
}
return(instance);
}
public object call(Interpreter interpreter, List <object> arguments)
{
LoxInstance instance = new LoxInstance(this);
LoxFunction initializer = methods.ContainsKey("init") ? methods["init"] : null;
if (initializer != null)
{
initializer.bind(instance).call(interpreter, arguments);
}
return(instance);
}
public object get(Token name)
{
if (fields.ContainsKey(name.lexeme))
{
return(fields[name.lexeme]);
}
LoxFunction method = _class.findMethod(name.lexeme);
if (method != null)
{
return(method.bind(this));
}
throw new Exceptions.RuntimeError(name, "Undefined property '" + name.lexeme + "'.");
}