/// <summary>
/// Exit a parse tree produced by the <c>parens</c>
/// labeled alternative in <see cref="CalculatorParser.expr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitParens([NotNull] CalculatorParser.ParensContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>parens</c>
/// labeled alternative in <see cref="CalculatorParser.expr"/>.
/// <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 VisitParens([NotNull] CalculatorParser.ParensContext context)
{
return(VisitChildren(context));
}
public override int VisitParens(CalculatorParser.ParensContext context)
{
return(Visit(context.expr()));
}