Catrobat.IDE.Core.Formulas.FormulaInterpreter.CompleteBracket C# (CSharp) Method

        private IFormulaToken CompleteBracket(IList<IFormulaToken> tokens, int index)
        {
            var parenthesisToken = (FormulaTokenParenthesis) tokens[index];
            return (parenthesisToken.IsOpening
                ? CompleteBrackets(tokens.Skip(index))
                : CompleteBrackets(tokens.Take(index + 1).Reverse(), false)).First();
        }