private static Expression GenerateArrayOfKnownDimension(List <ParameterExpression> variables,
ParameterExpression source,
ParameterExpression clone,
Type sourceType,
Type elementType,
ParameterExpression refTrackerParam)
{
var i = Expression.Parameter(typeof(int), "i");
var lengths = Expression.Parameter(typeof(int[]), "lengths");
var rank = sourceType.GetArrayRank();
variables.Add(i);
variables.Add(lengths);
List <Expression> notTrackedExpressions = new List <Expression>();
notTrackedExpressions.Add(Expression.IfThen(Expression.GreaterThanOrEqual(Expression.Constant(rank), Expression.Constant(255)),
Expression.Throw(Expression.New(NotSupportedExceptionMih.ConstructorString(), Expression.Constant("Array with more than 255 dimensions are not supported")))));
notTrackedExpressions.Add(Expression.Assign(lengths, Expression.Call(CreateArrayMethodInfo.GetCreateArrayMethodInfo(typeof(int)), Expression.Constant(rank))));
notTrackedExpressions.AddRange(PopulateDimensionalArrayLength(source, i, lengths, rank));
notTrackedExpressions.Add(Expression.Assign(clone, Expression.Convert(Expression.Call(ArrayMih.CreateInstance(), Expression.Constant(elementType), lengths), sourceType)));
notTrackedExpressions.Add(Expression.Call(refTrackerParam, ObjectClonerReferenceTrackerMih.Track(), source, clone));
notTrackedExpressions.AddRange(GenerateCopyDimensionalArray(source, clone, sourceType, variables, lengths, rank, refTrackerParam));
return(ObjectCloner.GenerateNullTrackedOrUntrackedExpression(source,
clone,
sourceType,
refTrackerParam,
Expression.Block(notTrackedExpressions)));
}
/// <summary>
/// Generate an expression tree to handle array serialization
/// </summary>
/// <param name="type">Type of the array</param>
/// <param name="elementType">Type of the elements contained inside the array</param>
/// <param name="outputStream">Stream that is written to</param>
/// <param name="objToSerialize">Object to serialize</param>
/// <param name="objTracking">Reference tracker</param>
/// <returns>An expression tree to handle array serialization</returns>
internal static Expression GenerateArrayOfKnownDimension(Type type,
Type elementType,
ParameterExpression outputStream,
ParameterExpression objToSerialize,
ParameterExpression objTracking)
{
List <Expression> notTrackedExpressions = new List <Expression>();
List <ParameterExpression> variables = new List <ParameterExpression>();
var i = Expression.Parameter(typeof(int), "i");
var lengths = Expression.Parameter(typeof(int[]), "lengths");
var trackedObjectPosition = Expression.Parameter(typeof(int?), "trackedObjectPosition");
var arr = Expression.Parameter(type, "arr");
var rank = type.GetArrayRank();
variables.Add(trackedObjectPosition);
variables.Add(i);
variables.Add(lengths);
variables.Add(arr);
notTrackedExpressions.Add(Expression.Call(objTracking, SerializerObjectTrackerMih.TrackObject(), objToSerialize));
notTrackedExpressions.Add(Expression.Assign(arr, Expression.Convert(objToSerialize, type)));
notTrackedExpressions.Add(Expression.Assign(lengths, Expression.Call(CreateArrayMethodInfo.GetCreateArrayMethodInfo(typeof(int)), Expression.Constant(rank))));
notTrackedExpressions.Add(Expression.Assign(i, Expression.Constant(0)));
notTrackedExpressions.Add(Expression.IfThen(Expression.GreaterThanOrEqual(Expression.Constant(rank), Expression.Constant(255)),
Expression.Throw(Expression.New(NotSupportedExceptionMih.ConstructorString(), Expression.Constant("Array with more than 255 dimensions are not supported")))));
notTrackedExpressions.AddRange(WriteDimensionalArrayLength(outputStream, objTracking, i, arr, lengths, rank));
notTrackedExpressions.AddRange(WriteDimensionalArray(elementType, variables, outputStream, arr, rank, lengths, objTracking));
return(Serializer.GenerateNullTrackedOrUntrackedExpression(type,
outputStream,
objToSerialize,
objTracking,
notTrackedExpressions,
variables));
}
