public override LuaValue Evaluate(LuaTable enviroment)
{
LuaTable table = new LuaTable();
foreach (Field field in this.FieldList)
{
NameValue nameValue = field as NameValue;
if (nameValue != null)
{
table.SetNameValue(nameValue.Name, nameValue.Value.Evaluate(enviroment));
continue;
}
KeyValue keyValue = field as KeyValue;
if (keyValue != null)
{
table.SetKeyValue(
keyValue.Key.Evaluate(enviroment),
keyValue.Value.Evaluate(enviroment));
continue;
}
ItemValue itemValue = field as ItemValue;
if (itemValue != null)
{
table.AddValue(itemValue.Value.Evaluate(enviroment));
continue;
}
}
return(table);
}
private NameValue ParseNameValue(out bool success)
{
var reskey = new Tuple<int, string>(position, "NameValue");
if (ParsingResults.ContainsKey(reskey))
{
var parsingResult = ParsingResults[reskey];
success = parsingResult.Item2;
position = parsingResult.Item3;
return parsingResult.Item1 as NameValue;
}
int errorCount = Errors.Count;
NameValue nameValue = new NameValue();
int start_position = position;
nameValue.Name = ParseName(out success);
if (!success)
{
position = start_position;
ParsingResults[reskey] = new Tuple<object, bool, int>(nameValue, success, position);return nameValue;
}
ParseSpOpt(out success);
MatchTerminal('=', out success);
if (!success)
{
Error("Failed to parse '=' of NameValue.");
position = start_position;
ParsingResults[reskey] = new Tuple<object, bool, int>(nameValue, success, position);return nameValue;
}
ParseSpOpt(out success);
nameValue.Value = ParseExpr(out success);
if (!success)
{
Error("Failed to parse Value of NameValue.");
position = start_position;
}
if (success) { ClearError(errorCount); }
ParsingResults[reskey] = new Tuple<object, bool, int>(nameValue, success, position);
return nameValue;
}