private DiagramItem Transform(ANTLRv4Parser.LabeledAltContext context)
{
var identifier = context.identifier()?.GetText() ?? string.Empty;
var alternative = context.alternative();
if (string.IsNullOrEmpty(alternative.GetText()))
{
return(new Terminal($"{(string.IsNullOrEmpty(identifier) ? string.Empty : identifier + " = ")} emptyString", noneString, noneString));
}
return(new Sequence(alternative.element().Select(Transform).Select(FSharpChoice <DiagramItem, string> .NewChoice1Of2)));
}
/// <summary>
/// Exit a parse tree produced by <see cref="ANTLRv4Parser.labeledAlt"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitLabeledAlt([NotNull] ANTLRv4Parser.LabeledAltContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="ANTLRv4Parser.labeledAlt"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitLabeledAlt([NotNull] ANTLRv4Parser.LabeledAltContext context)
{
return(VisitChildren(context));
}
