/// <summary>
/// Set up a new binding scope where parameter expressions map to their paired CQT expressions.
/// </summary>
/// <param name="binding">DbExpression/LinqExpression binding</param>
internal void PushBindingScope(Binding binding)
{
_scopes.Push(binding);
}
// Utility translator method for lambda expressions. Given a lambda expression and its translated
// inputs, translates the lambda expression
private DbExpression TranslateLambda(LambdaExpression lambda, DbExpression input)
{
Binding scopeBinding = new Binding(lambda.Parameters[0], input);
// push the binding scope
_bindingContext.PushBindingScope(scopeBinding);
// translate expression within this binding scope
#if DEBUG
int preValue = _ignoreInclude;
#endif
_ignoreInclude++;
DbExpression result = TranslateExpression(lambda.Body);
_ignoreInclude--;
#if DEBUG
Debug.Assert(preValue == _ignoreInclude);
#endif
// pop binding scope
_bindingContext.PopBindingScope();
return result;
}