public override object VisitEnd(MFSHParser.EndContext context)
{
const String fcn = "VisitEnd";
this.TraceMsg(context, fcn);
ParseBlock s = this.PopState();
switch (s)
{
case UseBlock useBlock:
this.Usings.Remove(useBlock.Use);
this.Current.Items.AddRange(useBlock.Items);
break;
case MacroBlock macroBlock:
if (this.mfsh.MacroMgr.TryAddItem(macroBlock.Item.Name, macroBlock.Item) == false)
{
this.Error(fcn,
context.Start.Line.ToString(),
$"Error adding macro '{macroBlock.Item.Name}'. Does macro already exist?");
}
break;
case ConditionalBlock conditionalBlock:
this.Current.Items.Add(conditionalBlock.Conditional);
break;
default:
this.Error(fcn,
context.Start.Line.ToString(),
$"Unexpected '#end'");
throw new Exception($"Unexpected '#end'");
}
return(null);
}
void PushState(ParseBlock s) => this.state.Push(s);
