public override object VisitCodOp([NotNull] StdAssemblerParser.CodOpContext context)
        {
            string   codOp, etiqueta;
            StdToken token;
            Boolean  index = false;

            codOp    = context.CODOP().GetText();
            etiqueta = Visit(context.etiqueta()) as String;
            if (context.COMA() != null && context.HEX() != null)
            {
                index = true;
            }

            token = new StdToken()
            {
                Address       = count,
                IsDirective   = false,
                IsHex         = false,
                Mode          = index,
                OperationCode = codOp,
                Symbol        = etiqueta
            };
            return(token);
        }
 /// <summary>
 /// Exit a parse tree produced by the <c>CodOp</c>
 /// labeled alternative in <see cref="StdAssemblerParser.instruccion"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitCodOp([NotNull] StdAssemblerParser.CodOpContext context)
 {
 }
 /// <summary>
 /// Visit a parse tree produced by the <c>CodOp</c>
 /// labeled alternative in <see cref="StdAssemblerParser.instruccion"/>.
 /// <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 VisitCodOp([NotNull] StdAssemblerParser.CodOpContext context)
 {
     return(VisitChildren(context));
 }