internal LoxFunction bind(LoxInstance instance)
{
Envir envir = new Envir(Closure);
envir.define("this", instance);
return(new LoxFunction(Declaration, envir, IsInitializer));
}
public LoxFunction Bind(LoxInstance instance)
{
Env env = new Env(closure);
env.Define("this", instance);
return(new LoxFunction(declaration, env, isInitializer));
}
public object Call(Interpreter interpreter, List <object> args)
{
LoxInstance instance = new LoxInstance(this);
LoxFunction initializer = FindMethod("init");
if (initializer != null)
{
initializer.Bind(instance).Call(interpreter, args);
}
return(instance);
}
public object visitSuperExpr(Expr.Super expr)
{
int distance = locals[expr];
LoxClass superClass = (LoxClass)env.getAt(
distance, "super");
LoxInstance instance = (LoxInstance)env.getAt(
distance - 1, "this");
LoxFunction method = superClass.findMethod(expr.Method.Lexeme);
if (method == null)
{
throw new RuntimeError(expr.Method,
$"Undefined propert '{expr.Method.Lexeme}'");
}
return(method.bind(instance));
}