protected override Expression VisitUnary(UnaryExpression expression)
{
SPModelQueryExpressionScope currentScope = stack.Peek();
SPModelQueryExpressionScope childScope = new SPModelQueryExpressionScope(this);
stack.Push(childScope);
Visit(expression.Operand);
switch (expression.NodeType)
{
case ExpressionType.Not:
currentScope.Expression = ~childScope.Expression;
break;
case ExpressionType.Convert:
case ExpressionType.ConvertChecked:
case ExpressionType.Quote:
childScope.CopyTo(currentScope);
break;
default:
throw new NotSupportedException(String.Format("The unary operator '{0}' is not supported", expression.NodeType));
}
stack.Pop();
return(expression);
}
protected override Expression VisitUnary(UnaryExpression expression)
{
if (invariantExpression || builder.SelectExpression != null)
{
return(base.VisitUnary(expression));
}
SPModelQueryExpressionScope currentScope = this.currentScope;
SPModelQueryExpressionScope childScope = new SPModelQueryExpressionScope(this);
this.currentScope = childScope;
Visit(expression.Operand);
switch (expression.NodeType)
{
case ExpressionType.Not:
currentScope.Expression = ~childScope.Expression;
break;
case ExpressionType.Convert:
case ExpressionType.ConvertChecked:
case ExpressionType.Quote:
childScope.CopyTo(currentScope);
break;
default:
throw new NotSupportedException(String.Format("Unary operator '{0}' is not supported", expression.NodeType));
}
this.currentScope = currentScope;
return(expression);
}