public ProcessingResult ProcessExpression(Expression expression, List <NodeReference> references, DataContext context)
{
var memberInitExpression = expression as MemberInitExpression;
if (memberInitExpression == null)
{
return(ProcessingResult.Unsuccessful);
}
var instanceResult = ExpressionProcessingHelper.ProcessExpression(memberInitExpression.NewExpression, references, context);
if (!instanceResult.IsSuccess)
{
return(ProcessingResult.Unsuccessful);
}
var evaluatedBindings = MemberBindingEvaluator.EvaluateBindings(memberInitExpression.Bindings.ToList(), references, context);
if (evaluatedBindings.Any(b => !b.IsSuccess))
{
return(ProcessingResult.Unsuccessful);
}
if (instanceResult.IsSingleItem && evaluatedBindings.Any(b => !b.IsSingle))
{
instanceResult = ExpressionProcessingHelper.CopyInstances(instanceResult, references.Count,
() => ExpressionProcessingHelper.ProcessExpression(memberInitExpression.NewExpression, references, context).Result);
}
return(MemberBindingProcessingHelper.ProcessBindings(evaluatedBindings, instanceResult));
}
public ProcessingResult ProcessExpression(Expression expression, List <NodeReference> references, DataContext context)
{
var listInitExpression = expression as ListInitExpression;
if (listInitExpression == null)
{
return(ProcessingResult.Unsuccessful);
}
var instanceResult = ExpressionProcessingHelper.ProcessExpression(listInitExpression.NewExpression, references, context);
if (instanceResult == null)
{
return(ProcessingResult.Unsuccessful);
}
var evaluatedInitializers = EvaluateInitializers(listInitExpression.Initializers, references, context);
var isSuccess = evaluatedInitializers.All(i => i.Arguments.All(a => a.IsSuccess));
if (!isSuccess)
{
return(ProcessingResult.Unsuccessful);
}
var isSingleInitializers = evaluatedInitializers.All(i => i.Arguments.All(a => a.IsSingleItem));
if (instanceResult.IsSingleItem && !isSingleInitializers)
{
instanceResult = ExpressionProcessingHelper.CopyInstances(instanceResult, references.Count,
() => ExpressionProcessingHelper.ProcessExpression(listInitExpression.NewExpression, references, context).Result);
}
instanceResult = evaluatedInitializers.Aggregate(instanceResult,
(current, initializer) => MemberBindingProcessingHelper.ProcessListInitializer(initializer, current));
return(instanceResult);
}
