internal void AddFlag <T>(Flag <T> flag)
{
foreach (var name in flag.Name.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries))
{
Formal.Add(name.Trim(), flag);
}
}
public Formal AddFormal(InputElement id, MessageWriter msg)
{
Formal f = new Formal(id, locals);
f.Add(id, msg);
signature.Add(f);
return(f);
}
/// <summary>
/// Pass a user-implemented IFlag directly to the FlagSet
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="flag"></param>
/// <returns></returns>
public T Var <T>(T flag) where T : IFlag
{
if (Formal != null && Formal.ContainsKey(flag.Name))
{
var msg = Name == "" ? $"flag redefined: {flag.Name}" : $"{Name} flag redefined: {flag.Name}";
Output().WriteLine(msg);
throw new InvalidOperationException(msg);
}
if (Formal == null)
{
Formal = new Dictionary <string, IFlag>();
}
Formal.Add(flag.Name, flag);
return(flag);
}