protected internal override Expression VisitArrayAccess(ArrayAccessCSharpExpression node)
        {
            var args = new List <object>
            {
                new XElement(nameof(node.Array), Visit(node.Array)),
                Visit(nameof(node.Indexes), node.Indexes)
            };

            return(Push(node, args));
        }
        /// <summary>
        /// Reduces the expression node to a simpler expression.
        /// </summary>
        /// <returns>The reduced expression.</returns>
        public override Expression Reduce()
        {
            var left = MakeWriteable(Left);

            if (CSharpNodeType == CSharpExpressionType.NullCoalescingAssign)
            {
                // NB: NullCoalescingAssign is handled by the Reduce implementation on the derived type.

                throw ContractUtils.Unreachable;
            }

            if (CSharpNodeType == CSharpExpressionType.Assign)
            {
                // NB: We still use `ReduceAssignment` here to deal with IndexCSharpExpression which is not
                //     a valid LHS to Expression.Assign.

                return(left switch
                {
                    IndexCSharpExpression indexCSharp => indexCSharp.ReduceAssign(lhs => Expression.Assign(lhs, Right)),
                    ArrayAccessCSharpExpression arrayAccessCSharp => arrayAccessCSharp.ReduceAssign(lhs => Expression.Assign(lhs, Right)),
                    IndexerAccessCSharpExpression indexerAccessCSharp => indexerAccessCSharp.ReduceAssign(lhs => Expression.Assign(lhs, Right)),
                    _ => Expression.Assign(left, Right)
                });
示例#3
0
 protected internal virtual Expression VisitArrayAccess(ArrayAccessCSharpExpression node) =>
 node.Update(
     Visit(node.Array),
     Visit(node.Indexes)
     );