static string GetOutputFieldExpression(OutputFieldStruct s, string type, StringBuilder helperFunctions)
{
bool retTypeIsStringSlice = type == "StringSlice";
switch (s.Type)
{
case OutputFieldStruct.CodeType.Expression:
var fmt = retTypeIsStringSlice ? "new StringSlice({0}{2}{1})" : "{0}{2}{1}";
return(string.Format(fmt, UserCode.GetProlog(s.Name), UserCode.GetEpilog(s.Name), s.Code));
case OutputFieldStruct.CodeType.Function:
var helperCallFmt = retTypeIsStringSlice ? "new StringSlice({0}())" : "{0}()";
var helperRetType = retTypeIsStringSlice ? "string" : type;
string helperFuncName = "__Get_" + EscapeFieldName(s.Name);
helperFunctions.AppendFormat(@"
{0} {1}()
{{
{4}{2}{5}
}}{3}" ,
helperRetType, helperFuncName, s.Code, Environment.NewLine,
UserCode.GetProlog(s.Name), UserCode.GetEpilog(s.Name));
return(string.Format(helperCallFmt, helperFuncName));
default:
Debug.Assert(false);
return("");
}
}