/// <summary>
/// Visit a parse tree produced by <see cref="ANTLRv4Parser.alternative"/>.
/// <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 VisitAlternative([NotNull] ANTLRv4Parser.AlternativeContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="ANTLRv4Parser.alternative"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitAlternative([NotNull] ANTLRv4Parser.AlternativeContext context)
{
}
private DiagramItem Transform(ANTLRv4Parser.AlternativeContext context)
=> context.element().Length == 1
? Transform(context.element()[0])
: new Choice(0, context.element().Select(Transform).Select(FSharpChoice <DiagramItem, string> .NewChoice1Of2));