public override double VisitParenthesizedExpr(ExcelParser.ParenthesizedExprContext context)
{
if (context.GetText()[0] == '-')
{
return(-Visit(context.expression()));
}
else
{
return(Visit(context.expression()));
}
}
/// <summary>
/// Visit a parse tree produced by the <c>ParenthesizedExpr</c>
/// labeled alternative in <see cref="ExcelParser.expression"/>.
/// <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 VisitParenthesizedExpr([NotNull] ExcelParser.ParenthesizedExprContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>ParenthesizedExpr</c>
/// labeled alternative in <see cref="ExcelParser.expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitParenthesizedExpr([NotNull] ExcelParser.ParenthesizedExprContext context)
{
}