ArrayBoundsElementCountMismatch() static private method

ArgumentException with message like "The number of elements does not match the length of the array"
static private ArrayBoundsElementCountMismatch ( ) : Exception
return System.Exception
Error Class Documentation
Exemplo n.º 1
0
        public static NewMultidimensionalArrayInitCSharpExpression NewMultidimensionalArrayInit(Type type, IEnumerable <int> bounds, IEnumerable <Expression> initializers)
        {
            ContractUtils.RequiresNotNull(type, nameof(type));
            ContractUtils.RequiresNotNull(bounds, nameof(bounds));
            ContractUtils.RequiresNotNull(initializers, nameof(initializers));

            if (type.Equals(typeof(void)))
            {
                throw LinqError.ArgumentCannotBeOfTypeVoid();
            }

            var boundsList = bounds.ToReadOnly();

            int dimensions = boundsList.Count;

            if (dimensions <= 0)
            {
                throw LinqError.BoundsCannotBeLessThanOne();
            }

            var length = 1;

            foreach (var bound in boundsList)
            {
                if (bound < 0)
                {
                    throw Error.BoundCannotBeLessThanZero();
                }

                checked
                {
                    length *= bound;
                }
            }

            var initializerList = initializers.ToReadOnly();

            if (initializerList.Count != length)
            {
                throw Error.ArrayBoundsElementCountMismatch();
            }

            var newList = default(Expression[]);

            for (int i = 0, n = initializerList.Count; i < n; i++)
            {
                var expr = initializerList[i];
                RequiresCanRead(expr, nameof(initializers));

                if (!TypeUtils.AreReferenceAssignable(type, expr.Type))
                {
                    if (!TryQuote(type, ref expr))
                    {
                        throw LinqError.ExpressionTypeCannotInitializeArrayType(expr.Type, type);
                    }

                    if (newList == null)
                    {
                        newList = new Expression[initializerList.Count];
                        for (int j = 0; j < i; j++)
                        {
                            newList[j] = initializerList[j];
                        }
                    }
                }

                if (newList != null)
                {
                    newList[i] = expr;
                }
            }

            if (newList != null)
            {
                initializerList = new TrueReadOnlyCollection <Expression>(newList);
            }

            return(new NewMultidimensionalArrayInitCSharpExpression(type.MakeArrayType(boundsList.Count), boundsList, initializerList));
        }