Bike.Interpreter.Interpreter.Walk C# (CSharp) Метод

        public override object Walk(LeftAssignmentExpression node)
        {
            // Identifier, resolve from scope
            if (node.Variable is Identifier)
            {
                var scope = Context.CurrentFrame;
                var var = ((Identifier)node.Variable);
                var suffix = new PropertyReferenceSuffix { Identifier = var };
                var lvThunk = (Func<object>)(() => var.Accept(this));
                var rvThunk = (Func<object>)(() => node.Operand.Accept(this));
                return AssignSwitch(node.Operator.Text, scope, suffix, lvThunk, rvThunk);
            }
            else
            {
                var suffixes = node.Variable is MemberExpression
                                           ? ((MemberExpression)node.Variable).Suffixes
                                           : ((CallExpression)node.Variable).Suffixes;
                var secondLastObject = node.Variable is MemberExpression
                                           ? Member((MemberExpression)node.Variable, suffixes.ExceptLast())
                                           : Call((CallExpression)node.Variable, suffixes.ExceptLast());
                var lvThunk = (Func<object>)(() =>
                    node.Variable is MemberExpression
                                           ? Member((MemberExpression)node.Variable, suffixes)
                                           : Call((CallExpression)node.Variable, suffixes));
                var rvThunk = (Func<object>) (() => node.Operand.Accept(this));
                var suffix = suffixes[suffixes.Count - 1];

                // Static .NET, Console.Out = ...)
                if (secondLastObject is Type)
                {
                    return AssignSwitch(node.Operator.Text, secondLastObject, suffix, lvThunk, rvThunk, true);
                }
                return AssignSwitch(node.Operator.Text, secondLastObject, suffix, lvThunk, rvThunk);
            }
        }