public override Node VisitBranch([NotNull] coolgrammarParser.BranchContext context)
        {
            Formal formal = (Formal)Visit(context.formal());
            Expr   exp    = (Expr)Visit(context.expr());

            return(new Branch(formal, exp));
        }
 /// <summary>
 /// Visit a parse tree produced by <see cref="coolgrammarParser.branch"/>.
 /// <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 VisitBranch([NotNull] coolgrammarParser.BranchContext context)
 {
     return(VisitChildren(context));
 }