public object visitSetExpr(Expr.Set expr)
{
object object_ = evaluate(expr.object_);
if (!(object_ is Instance))
{
throw new RuntimeError(expr.name, "Only instances have fields.");
}
object value = evaluate(expr.value);
((Instance)object_).set(expr.name, value);
return(value);
}
public string visitSetExpr(Expr.Set expr)
{
return("");
}
public object visitSetExpr(Expr.Set expr)
{
resolve(expr.value);
resolve(expr.object_);
return(null);
}