public ExpressionResolutionResult GetExpressionResolutionResult(
ExpressionResolutionResult expressionResolutionResult, PropertyMap propertyMap, IValueResolver valueResolver)
{
var currentChild = expressionResolutionResult.ResolutionExpression;
var currentChildType = expressionResolutionResult.Type;
var nullSubstitute = propertyMap.NullSubstitute;
var newParameter = expressionResolutionResult.ResolutionExpression;
var converter = new NullSubstitutionConversionVisitor(newParameter, nullSubstitute);
currentChild = converter.Visit(currentChild);
currentChildType = currentChildType.GetTypeOfNullable();
return new ExpressionResolutionResult(currentChild, currentChildType);
}
public bool CanGetExpressionResolutionResult(ExpressionResolutionResult expressionResolutionResult,
IValueResolver valueResolver)
{
return valueResolver is NullReplacementMethod && expressionResolutionResult.Type.IsNullableType();
}