public LoxFunction Bind(LoxInstance instance)
{
Environment environment = new Environment(Closure);
environment.Define("this", instance);
return(new LoxFunction(Declaration, environment, IsInitializer));
}
public LoxFunctionCallable Bind(LoxInstance instance)
{
var binding = new LoxEnvironment(_closure);
binding.Bind(instance);
return(new LoxFunctionCallable(_functionStmt, binding, _isInitializer));
}
public LoxFunction Bind(LoxInstance instance)
{
CSLoxEnvironment environment = new CSLoxEnvironment(this.Closure);
environment.Define("this", instance);
// redelcared this function with the correct constext AT RUNTIME.
return(new LoxFunction(functionDelcaration, environment, IsInitialiser));
}
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 VisitSuperExpr(Expr.Super expr)
{
int distance = Locals[expr];
LoxClass superclass = (LoxClass)Environment.GetAt(distance, "super");
LoxInstance instance = (LoxInstance)Environment.GetAt(
distance - 1, "this");
LoxFunction method = superclass.FindMethod(expr.Method.Lexeme);
if (method == null)
{
throw new RuntimeException(expr.Method,
$"Undefined property '{expr.Method.Lexeme}'.");
}
return(method.Bind(instance));
}
public void Bind(LoxInstance instance)
{
_state["this"] = instance;
}
