private SyntaxNode MapCollections(SyntaxNode sourceAccess, ITypeSymbol sourceListType,
ITypeSymbol targetListType, MappingPath mappingPath, MappingContext mappingContext)
{
var isReadonlyCollection = ObjectHelper.IsReadonlyCollection(targetListType);
var sourceListElementType = MappingHelper.GetElementType(sourceListType);
var targetListElementType = MappingHelper.GetElementType(targetListType);
if (ShouldCreateConversionBetweenTypes(targetListElementType, sourceListElementType))
{
var useConvert = CanUseConvert(sourceListType);
var selectAccess = useConvert ? syntaxGenerator.MemberAccessExpression(sourceAccess, "ConvertAll"): syntaxGenerator.MemberAccessExpression(sourceAccess, "Select");
var lambdaParameterName = NameHelper.CreateLambdaParameterName(sourceAccess);
var mappingLambda = CreateMappingLambda(lambdaParameterName, sourceListElementType, targetListElementType, mappingPath, mappingContext);
var selectInvocation = syntaxGenerator.InvocationExpression(selectAccess, mappingLambda);
var toList = useConvert? selectInvocation: AddMaterializeCollectionInvocation(syntaxGenerator, selectInvocation, targetListType);
return(MappingHelper.WrapInReadonlyCollectionIfNecessary(toList, isReadonlyCollection, syntaxGenerator));
}
var toListInvocation = AddMaterializeCollectionInvocation(syntaxGenerator, sourceAccess, targetListType);
return(MappingHelper.WrapInReadonlyCollectionIfNecessary(toListInvocation, isReadonlyCollection, syntaxGenerator));
}