internal static List <Expression> DeserializeDictionaryValues(Type type, List <ParameterExpression> variables, ParameterExpression inputStream, ParameterExpression objTracker, ParameterExpression newInstance) { var dictionaryType = DictionaryHelper.GetDictionaryType(type); var keyType = dictionaryType.GetGenericArguments()[0]; var valueType = dictionaryType.GetGenericArguments()[1]; var i = Expression.Parameter(typeof(int), "i"); var length = Expression.Parameter(typeof(int), "length"); var key = Expression.Parameter(keyType, "key"); var value = Expression.Parameter(dictionaryType.GetGenericArguments()[1], "value"); var typeName = Expression.Parameter(typeof(string), "typeName"); var typeExpr = Expression.Parameter(typeof(TypeWithHashCode), "type"); var deserializer = Expression.Parameter(typeof(Func <Stream, DeserializerObjectTracker, object>), "deserializer"); var typeHashCode = Expression.Parameter(typeof(int), "typeHashCode"); variables.Add(i); variables.Add(length); variables.Add(key); variables.Add(value); variables.Add(typeName); variables.Add(typeExpr); variables.Add(deserializer); variables.Add(typeHashCode); var loopExpressions = new List <Expression>(); GetReadExpression(inputStream, objTracker, keyType, loopExpressions, key, typeExpr, typeName, typeHashCode, deserializer); GetReadExpression(inputStream, objTracker, valueType, loopExpressions, value, typeExpr, typeName, typeHashCode, deserializer); loopExpressions.Add(Expression.Call(newInstance, DictionaryMih.Add(dictionaryType, keyType, dictionaryType.GetGenericArguments()[1]), key, value)); loopExpressions.Add(Expression.Assign(i, Expression.Add(i, Expression.Constant(1)))); var cond = Expression.LessThan(i, length); var loopBody = Expression.Block(loopExpressions); var breakLabel = Expression.Label("breakLabel"); var loop = Expression.Loop(Expression.IfThenElse(cond, loopBody, Expression.Break(breakLabel)), breakLabel); var notTrackedExpressions = new List <Expression>(); notTrackedExpressions.Add(Expression.Assign(length, PrimitiveHelpers.ReadInt32(inputStream, objTracker))); notTrackedExpressions.Add(Expression.Assign(i, Expression.Constant(0))); notTrackedExpressions.Add(loop); notTrackedExpressions.Add(newInstance); return(notTrackedExpressions); }
private static IEnumerable <Expression> ReadJaggedArray(Type type, Type elementType, ParameterExpression newInstance, List <ParameterExpression> variables, ParameterExpression inputStream, ParameterExpression objTracker) { var i = Expression.Parameter(typeof(int), "i"); var length = Expression.Parameter(typeof(int), "length"); var item = Expression.Parameter(type.GetElementType(), "item"); var typeName = Expression.Parameter(typeof(string), "typeName"); var typeExpr = Expression.Parameter(typeof(TypeWithHashCode), "type"); var typeHashCode = Expression.Parameter(typeof(int), "typeHashCode"); var tmpValue = Expression.Parameter(elementType, "tmpValue"); var deserializer = Expression.Parameter(typeof(Func <Stream, DeserializerObjectTracker, object>), "deserializer"); variables.Add(length); variables.Add(item); variables.Add(typeName); variables.Add(typeExpr); variables.Add(typeHashCode); variables.Add(i); variables.Add(tmpValue); variables.Add(deserializer); var expressions = new List <Expression>(); expressions.Add(Expression.Assign(length, PrimitiveHelpers.ReadInt32(inputStream, objTracker))); expressions.Add(Expression.Assign(i, Expression.Constant(0))); expressions.Add(Expression.Assign(newInstance, Expression.Convert(Expression.New(type.GetConstructor(new[] { typeof(int) }), length), type))); if (type.IsClass) { expressions.Add(Expression.Call(objTracker, DeserializerObjectTrackerMih.TrackedObject(), newInstance)); } var loopExpressions = new List <Expression>(); loopExpressions.Add(Deserializer.GetReadClassExpression(inputStream, objTracker, tmpValue, typeExpr, typeName, typeHashCode, deserializer, elementType)); loopExpressions.Add(Expression.Call(newInstance, ArrayMih.SetValue(), Expression.Convert(tmpValue, typeof(object)), i)); loopExpressions.Add(Expression.Assign(i, Expression.Add(i, Expression.Constant(1)))); var cond = Expression.LessThan(i, length); var loopBody = Expression.Block(loopExpressions); var breakLabel = Expression.Label("breakLabel"); var loop = Expression.Loop(Expression.IfThenElse(cond, loopBody, Expression.Break(breakLabel)), breakLabel); expressions.Add(loop); return(expressions); }
private static Expression DeserializeISerializable(Type type, List <ParameterExpression> variables, ParameterExpression inputStream, ParameterExpression objTracker, ParameterExpression newInstance) { var length = Expression.Parameter(typeof(int), "length"); var i = Expression.Parameter(typeof(int), "i"); var key = Expression.Parameter(typeof(string), "key"); var value = Expression.Parameter(typeof(object), "value"); var typeName = Expression.Parameter(typeof(string), "typeName"); var typeExpr = Expression.Parameter(typeof(TypeWithHashCode), "type"); var deserializer = Expression.Parameter(typeof(Func <Stream, DeserializerObjectTracker, object>), "deserializer"); var typeHashCode = Expression.Parameter(typeof(int), "typeHashCode"); var fc = Expression.Parameter(typeof(FormatterConverter), "fc"); var context = Expression.Parameter(typeof(StreamingContext), "context"); var si = Expression.Parameter(typeof(SerializationInfo), "si"); variables.Add(fc); variables.Add(context); variables.Add(si); variables.Add(key); variables.Add(value); variables.Add(length); variables.Add(i); variables.Add(deserializer); variables.Add(typeName); variables.Add(typeExpr); variables.Add(typeHashCode); var loopExpressions = new List <Expression>(); DictionaryDeserializer.GetReadExpression(inputStream, objTracker, typeof(string), loopExpressions, key, typeExpr, typeName, typeHashCode, deserializer); DictionaryDeserializer.GetReadExpression(inputStream, objTracker, typeof(object), loopExpressions, value, typeExpr, typeName, typeHashCode, deserializer); loopExpressions.Add(Expression.Call(si, SerializationInfoMih.AddValue(), key, value)); loopExpressions.Add(Expression.Assign(i, Expression.Add(i, Expression.Constant(1)))); var cond = Expression.LessThan(i, length); var loopBody = Expression.Block(loopExpressions); var breakLabel = Expression.Label("breakLabel"); var loop = Expression.Loop(Expression.IfThenElse(cond, loopBody, Expression.Break(breakLabel)), breakLabel); var notTrackedExpressions = new List <Expression>(); notTrackedExpressions.Add(Expression.Assign(fc, Expression.New(typeof(FormatterConverter)))); notTrackedExpressions.Add(Expression.Assign(context, Expression.New(StreamingContextMih.Constructor(), Expression.Constant(StreamingContextStates.All)))); notTrackedExpressions.Add(Expression.Assign(si, Expression.New(SerializationInfoMih.Constructor(), Expression.Constant(type), fc))); notTrackedExpressions.Add(Expression.Assign(length, PrimitiveHelpers.ReadInt32(inputStream, objTracker))); notTrackedExpressions.Add(Expression.Assign(i, Expression.Constant(0))); notTrackedExpressions.Add(loop); notTrackedExpressions.Add(Expression.Assign(newInstance, Expression.New(ISerializableSerializer.GetSerializationConstructor(type), si, context))); if (type.IsClass) { notTrackedExpressions.Add(Expression.Call(objTracker, DeserializerObjectTrackerMih.TrackedObject(), newInstance)); } notTrackedExpressions.AddRange(SerializationCallbacksHelper.GenerateOnDeserializedAttributeExpression(type, newInstance, context)); notTrackedExpressions.Add(SerializationCallbacksHelper.GenerateCallIDeserializationExpression(type, newInstance)); notTrackedExpressions.Add(newInstance); return(Expression.Block(notTrackedExpressions)); }
/// <summary> /// Generates an expression tree to deserialize an ExpandoObject /// </summary> /// <param name="variables">Global variables for the expression tree</param> /// <param name="inputStream">Stream to read from</param> /// <param name="objTracker">Reference tracker</param> /// <returns>An expression tree to deserialize an ExpandoObject</returns> internal static Expression GenerateExpandoObjectExpression(List <ParameterExpression> variables, ParameterExpression inputStream, ParameterExpression objTracker) { var dictType = typeof(IDictionary <string, object>); var length = Expression.Parameter(typeof(int), "length"); var i = Expression.Parameter(typeof(int), "i"); var key = Expression.Parameter(typeof(string), "key"); var value = Expression.Parameter(typeof(object), "value"); var typeName = Expression.Parameter(typeof(string), "typeName"); var typeExpr = Expression.Parameter(typeof(TypeWithHashCode), "type"); var deserializer = Expression.Parameter(typeof(Func <Stream, DeserializerObjectTracker, object>), "deserializer"); var newInstance = Expression.Parameter(typeof(ExpandoObject), "newInstance"); var destDict = Expression.Parameter(dictType, "destDict"); var typeHashCode = Expression.Parameter(typeof(int), "typeHashCode"); var trackType = Expression.Parameter(typeof(byte), "trackType"); variables.Add(key); variables.Add(value); variables.Add(length); variables.Add(i); variables.Add(deserializer); variables.Add(typeName); variables.Add(typeExpr); variables.Add(newInstance); variables.Add(destDict); variables.Add(typeHashCode); variables.Add(trackType); var loopExpressions = new List <Expression>(); loopExpressions.Add(Expression.Assign(key, Deserializer.GenerateStringExpression(inputStream, objTracker))); loopExpressions.Add(Deserializer.GetReadClassExpression(inputStream, objTracker, value, typeExpr, typeName, typeHashCode, deserializer, typeof(object))); loopExpressions.Add(Expression.Call(destDict, DictionaryMih.Add <string, object>(), key, value)); loopExpressions.Add(Expression.Assign(i, Expression.Add(i, Expression.Constant(1)))); var cond = Expression.LessThan(i, length); var loopBody = Expression.Block(loopExpressions); var breakLabel = Expression.Label("breakLabel"); var loop = Expression.Loop(Expression.IfThenElse(cond, loopBody, Expression.Break(breakLabel)), breakLabel); var notTrackedExpressions = new List <Expression>(); notTrackedExpressions.Add(Expression.Assign(length, PrimitiveHelpers.ReadInt32(inputStream, objTracker))); notTrackedExpressions.Add(Expression.Assign(i, Expression.Constant(0))); notTrackedExpressions.Add(Expression.Assign(newInstance, Expression.New(typeof(ExpandoObject)))); notTrackedExpressions.Add(Expression.Assign(destDict, Expression.Convert(newInstance, dictType))); notTrackedExpressions.Add(Expression.Call(objTracker, DeserializerObjectTrackerMih.TrackedObject(), newInstance)); notTrackedExpressions.Add(loop); return(Deserializer.GenerateNullTrackedOrUntrackedExpression(typeof(ExpandoObject), inputStream, objTracker, newInstance, notTrackedExpressions, trackType, variables)); }
private static IEnumerable <Expression> ReadDimensionalArrayLength(ParameterExpression inputStream, ParameterExpression objTracker, Expression lengths, Expression i, Expression numberOfDimensions) { var loopExpressions = new List <Expression>(); var expressions = new List <Expression>(); expressions.Add(Expression.Assign(i, Expression.Constant(0))); expressions.Add(Expression.Assign(numberOfDimensions, Expression.Convert(PrimitiveHelpers.ReadByte(inputStream, objTracker), typeof(int)))); expressions.Add(Expression.Assign(lengths, Expression.Call(CreateArrayMethodInfo.GetCreateArrayMethodInfo(typeof(int)), numberOfDimensions))); loopExpressions.Add(Expression.Assign(Expression.ArrayAccess(lengths, i), PrimitiveHelpers.ReadInt32(inputStream, objTracker))); loopExpressions.Add(Expression.Assign(i, Expression.Add(i, Expression.Constant(1)))); var loopBody = Expression.Block(loopExpressions); var breakLabel = Expression.Label("breakLabel"); var cond = Expression.LessThan(i, numberOfDimensions); var loop = Expression.Loop(Expression.IfThenElse(cond, loopBody, Expression.Break(breakLabel)), breakLabel); expressions.Add(loop); return(expressions); }
/// <summary> /// Generate an expression to handle the 'is the object null' case /// </summary> /// <param name="type">Type of the object</param> /// <param name="inputStream">Stream to read from</param> /// <param name="objTracker">Reference tracker</param> /// <param name="newInstance">New deserialized object</param> /// <param name="notTrackedExpressions">Expressions to execute if the object is not tracked</param> /// <param name="trackType">Type of the tracked object</param> /// <param name="variables">Global variables for the expression tree</param> /// <returns>An expression tree to handle the 'is the object null' case</returns> internal static Expression GenerateNullTrackedOrUntrackedExpression(Type type, ParameterExpression inputStream, ParameterExpression objTracker, ParameterExpression newInstance, List <Expression> notTrackedExpressions, ParameterExpression trackType, List <ParameterExpression> variables) { var alreadyTrackedExpr = Expression.Assign(newInstance, Expression.Convert(Expression.Call(objTracker, DeserializerObjectTrackerMih.GetTrackedObject(), PrimitiveHelpers.ReadInt32(inputStream, objTracker)), type)); var notAlreadyTrackedExpr = Expression.Block(notTrackedExpressions); var isNotNullExpr = Expression.Block(Expression.Assign(trackType, Expression.Convert(PrimitiveHelpers.ReadByte(inputStream, objTracker), typeof(byte))), Expression.IfThenElse(Expression.Equal(trackType, Expression.Constant(SerializerObjectTracker.Value0)), alreadyTrackedExpr, notAlreadyTrackedExpr)); var expr = Expression.IfThenElse(Expression.Equal(Expression.Convert(PrimitiveHelpers.ReadByte(inputStream, objTracker), typeof(byte)), Expression.Constant(SerializerObjectTracker.Value0)), Expression.Assign(newInstance, Expression.Convert(Expression.Constant(null), type)), isNotNullExpr); return(Expression.Block(variables, expr, newInstance)); }
/// <summary> /// Generate an expression tree to deserialize a class /// </summary> /// <param name="inputStream">Stream to read from</param> /// <param name="objTracker">Reference tracker</param> /// <param name="leftSide">Left side of the assignment</param> /// <param name="typeExpr">Type of the class as an expression</param> /// <param name="typeName">Type of the class as a string</param> /// <param name="typeHashCode">Hashcode of the class</param> /// <param name="deserializer">Temporary deserializer variable</param> /// <param name="itemType">Type of the class</param> /// <returns>An expression tree to deserialize a class</returns> internal static Expression GetReadClassExpression(ParameterExpression inputStream, ParameterExpression objTracker, Expression leftSide, ParameterExpression typeExpr, ParameterExpression typeName, ParameterExpression typeHashCode, ParameterExpression deserializer, Type itemType) { var readType = Expression.IfThenElse(Expression.Equal(Expression.Convert(PrimitiveHelpers.ReadByte(inputStream, objTracker), typeof(byte)), Expression.Constant(SerializerObjectTracker.Value0)), Expression.Assign(typeExpr, Expression.Call(SerializedTypeResolverMih.GetTypeFromFullName_Type(), Expression.Constant(itemType))), Expression.Block(Expression.Assign(typeName, Deserializer.GenerateStringExpression(inputStream, objTracker)), Expression.Assign(typeHashCode, PrimitiveHelpers.ReadInt32(inputStream, objTracker)), Expression.Assign(typeExpr, Expression.Call(SerializedTypeResolverMih.GetTypeFromFullName_String(), typeName)), Expression.IfThen(Expression.NotEqual(typeHashCode, Expression.Property(typeExpr, "HashCode")), Expression.Throw(Expression.New(TypeWasModifiedSinceSerializationException.GetConstructor(), typeExpr))))); var invokeDeserializer = Expression.Invoke(deserializer, inputStream, objTracker); Expression convertExpression = Expression.Convert(Expression.Call(SerializerMih.ConvertObjectToExpectedType(), invokeDeserializer, Expression.Constant(itemType)), itemType); return(Expression.IfThenElse(Expression.Equal(Expression.Convert(PrimitiveHelpers.ReadByte(inputStream, objTracker), typeof(byte)), Expression.Constant(SerializerObjectTracker.Value0)), Expression.Assign(leftSide, Expression.Constant(null, itemType)), Expression.Block( readType, Expression.Assign(deserializer, Expression.Call(DeserializerMih.GetTypeToObjectDeserializer(), Expression.Property(typeExpr, "Type"))), Expression.Assign(leftSide, convertExpression)))); }