public virtual bool UserEvaluate(string name, int nameHash, object instance, List <object> indexes, out AleTermResult result, TermEvaluate userEvaluate)
{
result = new AleTermResult();
AleTermEvaluateArgs e = new AleTermEvaluateArgs(name, nameHash, instance, indexes);
if (_Parser != null)
{
_Parser.EvaluateStandardProperties(this, e);
if (e.ErrorCode != AleTermResult.ERROR_OK && result.SetError(e.ErrorCode, e.ErrorPos))
{
return(false);
}
if (e.HasBeenEvaluated)
{
result.Value = e.Result;
return(true);
}
}
if (userEvaluate == null && result.SetError(AleTermResult.ERROR_UNKNOWNELEMENT, _Token.StartInOrigin))
{
return(false);
}
userEvaluate(this, e);
if (e.ErrorCode != AleTermResult.ERROR_OK && result.SetError(e.ErrorCode, e.ErrorPos))
{
return(false);
}
result.Value = e.Result;
return(true);
}
// evaluation
private void OnEvaluate(AleTerm term, AleTermEvaluateArgs e)
{
bool ignoreCase = chkIgnoreCase.Checked;
object res;
if (e.Instance == null)
{
if (Variables.TryGetValue(e.Name, out res)) e.Result = res;
else
{
res = (int)0;
Variables.Add(e.Name, res);
e.Result = res;
}
return;
}
}
public virtual bool UserEvaluate(string name, int nameHash, object instance, List<object> indexes, out AleTermResult result, TermEvaluate userEvaluate)
{
result = new AleTermResult();
AleTermEvaluateArgs e = new AleTermEvaluateArgs(name, nameHash, instance, indexes);
if (_Parser != null)
{
_Parser.EvaluateStandardProperties(this, e);
if (e.ErrorCode != AleTermResult.ERROR_OK && result.SetError(e.ErrorCode, e.ErrorPos)) return false;
if (e.HasBeenEvaluated)
{
result.Value = e.Result;
return true;
}
}
if (userEvaluate == null && result.SetError(AleTermResult.ERROR_UNKNOWNELEMENT, _Token.StartInOrigin)) return false;
userEvaluate(this, e);
if (e.ErrorCode != AleTermResult.ERROR_OK && result.SetError(e.ErrorCode, e.ErrorPos)) return false;
result.Value = e.Result;
return true;
}
