private Expression PrepareDefaultExpression(ServiceRegistration serviceRegistration, ResolutionContext resolutionContext)
{
if (serviceRegistration.RegistrationContext.DefinedScopeName == null)
{
return(this.expressionFactory.ConstructExpression(serviceRegistration, resolutionContext));
}
var variable = Constants.ResolutionScopeType.AsVariable();
var newScope = resolutionContext.CurrentScopeParameter
.CallMethod(Constants.BeginScopeMethod,
serviceRegistration.RegistrationContext.DefinedScopeName.AsConstant(),
true.AsConstant());
var newScopeContext = resolutionContext.BeginNewScopeContext(new KeyValue <object, ParameterExpression>(serviceRegistration.RegistrationContext.DefinedScopeName, variable));
resolutionContext.AddDefinedVariable(variable);
resolutionContext.AddInstruction(variable.AssignTo(newScope.ConvertTo(Constants.ResolutionScopeType)));
var expression = this.expressionFactory.ConstructExpression(serviceRegistration, newScopeContext);
foreach (var definedVariable in newScopeContext.DefinedVariables.Walk())
{
resolutionContext.AddDefinedVariable(definedVariable);
}
foreach (var instruction in newScopeContext.SingleInstructions)
{
resolutionContext.AddInstruction(instruction);
}
return(expression);
}