public static IILGen Ld(this IILGen il, object?value)
{
switch (value)
{
case null:
il.Ldnull();
break;
case bool b when !b:
il.LdcI4(0);
break;
case bool b when b:
il.LdcI4(1);
break;
case Int16 i16:
il.LdcI4(i16); // there is no instruction for 16b int
break;
case Int32 i32:
il.LdcI4(i32);
break;
case Int64 i64:
il.LdcI8(i64);
break;
case Single f:
il.LdcR4(f);
break;
case Double d:
il.LdcR8(d);
break;
case String s:
il.Ldstr(s);
break;
default:
throw new ArgumentException($"{value} is not supported.", nameof(value));
}
return(il);
}
public static IILGen Localloc(this IILGen il, uint length)
{
il
.LdcI4((int)length)
.Emit(OpCodes.Conv_U);
il
.Emit(OpCodes.Localloc);
return(il);
}
void CreateMethodFindBy(IILGen ilGenerator, Type relationDBManipulatorType, string methodName,
ParameterInfo[] methodParameters, Type methodReturnType, IDictionary <string, MethodInfo> apartFields, Action <IILGen> pushWriter,
IILLocal writerLoc)
{
bool allowDefault = false;
var skName = methodName.Substring(6);
if (skName.EndsWith("OrDefault"))
{
skName = skName.Substring(0, skName.Length - 9);
allowDefault = true;
}
WriteShortPrefixIl(ilGenerator, pushWriter, ObjectDB.AllRelationsSKPrefix);
var skIndex = _relationInfo.ClientRelationVersionInfo.GetSecondaryKeyIndex(skName);
//ByteBuffered.WriteVUInt32(RelationInfo.Id);
WriteIdIl(ilGenerator, pushWriter, (int)_relationInfo.Id);
//ByteBuffered.WriteVUInt32(skIndex);
WriteIdIl(ilGenerator, pushWriter, (int)skIndex);
var secondaryKeyFields = _relationInfo.ClientRelationVersionInfo.GetSecondaryKeyFields(skIndex);
SaveMethodParameters(ilGenerator, methodName, methodParameters, methodParameters.Length,
apartFields, secondaryKeyFields, writerLoc);
//call public T FindBySecondaryKeyOrDefault(uint secondaryKeyIndex, uint prefixParametersCount, ByteBuffer secKeyBytes, bool throwWhenNotFound)
ilGenerator.Ldarg(0); //manipulator
ilGenerator.LdcI4((int)skIndex);
ilGenerator.LdcI4(methodParameters.Length + apartFields.Count);
//call byteBuffer.data
var dataGetter = typeof(ByteBufferWriter).GetProperty("Data").GetGetMethod(true);
ilGenerator.Ldloc(writerLoc).Callvirt(dataGetter);
if (ReturnsEnumerableOfClientType(methodReturnType, _relationInfo.ClientType))
{
ilGenerator.Callvirt(relationDBManipulatorType.GetMethod("FindBySecondaryKey"));
}
else
{
ilGenerator.LdcI4(allowDefault ? 0 : 1); //? should throw
ilGenerator.Callvirt(relationDBManipulatorType.GetMethod("FindBySecondaryKeyOrDefault"));
}
}
void CreateMethodFindById(IILGen ilGenerator, Type relationDBManipulatorType, string methodName,
ParameterInfo[] methodParameters, Type methodReturnType, IDictionary <string, MethodInfo> apartFields, Action <IILGen> pushWriter,
IILLocal writerLoc)
{
var isPrefixBased = ReturnsEnumerableOfClientType(methodReturnType, _relationInfo.ClientType);
if (isPrefixBased)
{
WriteShortPrefixIl(ilGenerator, pushWriter, _relationInfo.Prefix);
}
else
{
WriteShortPrefixIl(ilGenerator, pushWriter, ObjectDB.AllRelationsPKPrefix);
//ByteBufferWriter.WriteVUInt32(RelationInfo.Id);
WriteIdIl(ilGenerator, pushWriter, (int)_relationInfo.Id);
}
var primaryKeyFields = _relationInfo.ClientRelationVersionInfo.GetPrimaryKeyFields();
var count = SaveMethodParameters(ilGenerator, methodName, methodParameters, methodParameters.Length,
apartFields, primaryKeyFields, writerLoc);
if (!isPrefixBased && count != primaryKeyFields.Count)
{
throw new BTDBException(
$"Number of parameters in {methodName} does not match primary key count {primaryKeyFields.Count}.");
}
//call manipulator.FindBy_
ilGenerator
.Ldarg(0); //manipulator
//call byteBuffer.data
var dataGetter = typeof(ByteBufferWriter).GetProperty("Data").GetGetMethod(true);
ilGenerator.Ldloc(writerLoc).Call(dataGetter);
if (isPrefixBased)
{
ilGenerator.Callvirt(relationDBManipulatorType.GetMethod("FindByPrimaryKeyPrefix"));
}
else
{
ilGenerator.LdcI4(ShouldThrowWhenKeyNotFound(methodName, methodReturnType) ? 1 : 0);
ilGenerator.Callvirt(relationDBManipulatorType.GetMethod("FindByIdOrDefault"));
if (methodReturnType == typeof(void))
{
ilGenerator.Pop();
}
}
}
public void Save(IILGen ilGenerator, Action <IILGen> pushWriterOrCtx, Action <IILGen> pushValue)
{
var finish = ilGenerator.DefineLabel();
var next = ilGenerator.DefineLabel();
var localValue = ilGenerator.DeclareLocal(_type);
var localIndex = ilGenerator.DeclareLocal(typeof(int));
var localCount = ilGenerator.DeclareLocal(typeof(int));
ilGenerator
.LdcI4(0)
.Stloc(localIndex)
.Do(pushValue)
.Stloc(localValue)
.Do(pushWriterOrCtx)
.Ldloc(localValue)
.Castclass(typeof(object))
.Callvirt(() => default(IWriterCtx).WriteObject(null))
.Brfalse(finish)
.Ldloc(localValue)
.Callvirt(_type.GetInterface("ICollection`1").GetProperty("Count").GetGetMethod())
.Stloc(localCount)
.Do(Extensions.PushWriterFromCtx(pushWriterOrCtx))
.Ldloc(localCount)
.ConvU4()
.Callvirt(() => default(AbstractBufferedWriter).WriteVUInt32(0))
.Mark(next)
.Ldloc(localIndex)
.Ldloc(localCount)
.BgeUn(finish);
_itemsHandler.Save(ilGenerator, Extensions.PushWriterOrCtxAsNeeded(pushWriterOrCtx, _itemsHandler.NeedsCtx()), il => il
.Ldloc(localValue)
.Ldloc(localIndex)
.Callvirt(_type.GetMethod("get_Item"))
.Do(_typeConvertorGenerator.GenerateConversion(_type.GetGenericArguments()[0], _itemsHandler.HandledType())));
ilGenerator
.Ldloc(localIndex)
.LdcI4(1)
.Add()
.Stloc(localIndex)
.Br(next)
.Mark(finish);
}
void CreateMethodListById(IILGen ilGenerator, Type relationDBManipulatorType, string methodName,
ParameterInfo[] methodParameters, IDictionary <string, MethodInfo> apartFields, Action <IILGen> pushWriter, IILLocal writerLoc)
{
WriteShortPrefixIl(ilGenerator, pushWriter, _relationInfo.Prefix);
var primaryKeyFields = _relationInfo.ClientRelationVersionInfo.GetPrimaryKeyFields();
var paramsCount = SaveMethodParameters(ilGenerator, methodName, methodParameters, methodParameters.Length,
apartFields, primaryKeyFields, writerLoc);
//call manipulator.GetEnumerator(tr, byteBuffer)
ilGenerator
.Ldarg(0); //manipulator
//call byteBuffer.data
var dataGetter = typeof(ByteBufferWriter).GetProperty("Data").GetGetMethod(true);
ilGenerator.Ldloc(writerLoc).Callvirt(dataGetter);
ilGenerator.LdcI4(paramsCount + apartFields.Count);
ilGenerator.Callvirt(relationDBManipulatorType.GetMethod(methodName));
}
public void GenerateLoad(IILGen ilGenerator, Action <IILGen> pushReader, Action <IILGen> pushCtx, Action <IILGen> pushDescriptor, Type targetType)
{
if (targetType == typeof(object))
{
var resultLoc = ilGenerator.DeclareLocal(typeof(DynamicObject), "result");
var labelNoCtx = ilGenerator.DefineLabel();
ilGenerator
.Do(pushDescriptor)
.Castclass(typeof(ObjectTypeDescriptor))
.Newobj(typeof(DynamicObject).GetConstructor(new[] { typeof(ObjectTypeDescriptor) }))
.Stloc(resultLoc)
.Do(pushCtx)
.BrfalseS(labelNoCtx)
.Do(pushCtx)
.Ldloc(resultLoc)
.Callvirt(() => default(ITypeBinaryDeserializerContext).AddBackRef(null))
.Mark(labelNoCtx);
var idx = 0;
foreach (var pair in _fields)
{
var idxForCapture = idx;
ilGenerator.Ldloc(resultLoc);
ilGenerator.LdcI4(idx);
pair.Value.GenerateLoadEx(ilGenerator, pushReader, pushCtx,
il =>
il.Do(pushDescriptor)
.LdcI4(idxForCapture)
.Callvirt(() => default(ITypeDescriptor).NestedType(0)), typeof(object), _typeSerializers.ConvertorGenerator);
ilGenerator.Callvirt(() => default(DynamicObject).SetFieldByIdxFast(0, null));
idx++;
}
ilGenerator
.Ldloc(resultLoc)
.Castclass(typeof(object));
}
else
{
var resultLoc = ilGenerator.DeclareLocal(targetType, "result");
var labelNoCtx = ilGenerator.DefineLabel();
ilGenerator
.Newobj(targetType.GetConstructor(Type.EmptyTypes))
.Stloc(resultLoc)
.Do(pushCtx)
.BrfalseS(labelNoCtx)
.Do(pushCtx)
.Ldloc(resultLoc)
.Callvirt(() => default(ITypeBinaryDeserializerContext).AddBackRef(null))
.Mark(labelNoCtx);
var props = targetType.GetProperties();
for (var idx = 0; idx < _fields.Count; idx++)
{
var idxForCapture = idx;
var pair = _fields[idx];
var prop = props.FirstOrDefault(p => GetPersitentName(p) == pair.Key);
if (prop == null || !_typeSerializers.IsSafeToLoad(prop.PropertyType))
{
pair.Value.GenerateSkipEx(ilGenerator, pushReader, pushCtx);
continue;
}
ilGenerator.Ldloc(resultLoc);
pair.Value.GenerateLoadEx(ilGenerator, pushReader, pushCtx,
il => il.Do(pushDescriptor).LdcI4(idxForCapture).Callvirt(() => default(ITypeDescriptor).NestedType(0)),
prop.PropertyType, _typeSerializers.ConvertorGenerator);
ilGenerator.Callvirt(prop.GetSetMethod());
}
ilGenerator.Ldloc(resultLoc);
}
}
public void GenerateLoad(IILGen ilGenerator, Action <IILGen> pushReader, Action <IILGen> pushCtx, Action <IILGen> pushDescriptor, Type targetType)
{
if (targetType == typeof(object))
{
targetType = GetPreferedType();
}
var localCount = ilGenerator.DeclareLocal(typeof(int));
var targetIList = targetType.GetInterface("IList`1") ?? targetType;
var targetTypeArguments = targetIList.GetGenericArguments();
var itemType = _typeSerializers.LoadAsType(_itemDescriptor, targetTypeArguments[0]);
if (targetType.IsArray)
{
var localArray = ilGenerator.DeclareLocal(targetType);
var loadFinished = ilGenerator.DefineLabel();
var localIndex = ilGenerator.DeclareLocal(typeof(int));
var next = ilGenerator.DefineLabel();
ilGenerator
.LdcI4(0)
.Stloc(localIndex)
.Do(pushReader)
.Callvirt(() => default(AbstractBufferedReader).ReadVUInt32())
.ConvI4()
.Dup()
.Stloc(localCount)
.Brfalse(loadFinished)
.Ldloc(localCount)
.LdcI4(1)
.Sub()
.Dup()
.Stloc(localCount)
.Newarr(itemType)
.Stloc(localArray)
.Mark(next)
.Ldloc(localCount)
.Ldloc(localIndex)
.Sub()
.Brfalse(loadFinished)
.Ldloc(localArray)
.Ldloc(localIndex);
_itemDescriptor.GenerateLoadEx(ilGenerator, pushReader, pushCtx, il => il.Do(pushDescriptor).LdcI4(0).Callvirt(() => default(ITypeDescriptor).NestedType(0)), itemType, _convertorGenerator);
ilGenerator
.Stelem(itemType)
.Ldloc(localIndex)
.LdcI4(1)
.Add()
.Stloc(localIndex)
.Br(next)
.Mark(loadFinished)
.Ldloc(localArray)
.Castclass(targetType);
}
else
{
var listType = typeof(ListWithDescriptor <>).MakeGenericType(itemType);
if (!targetType.IsAssignableFrom(listType))
{
throw new NotSupportedException();
}
var localList = ilGenerator.DeclareLocal(listType);
var loadFinished = ilGenerator.DefineLabel();
var next = ilGenerator.DefineLabel();
ilGenerator
.Do(pushReader)
.Callvirt(() => default(AbstractBufferedReader).ReadVUInt32())
.ConvI4()
.Dup()
.Stloc(localCount)
.Brfalse(loadFinished)
.Ldloc(localCount)
.LdcI4(1)
.Sub()
.Dup()
.Stloc(localCount)
.Do(pushDescriptor)
.Newobj(listType.GetConstructor(new[] { typeof(int), typeof(ITypeDescriptor) }))
.Stloc(localList)
.Mark(next)
.Ldloc(localCount)
.Brfalse(loadFinished)
.Ldloc(localCount)
.LdcI4(1)
.Sub()
.Stloc(localCount)
.Ldloc(localList);
_itemDescriptor.GenerateLoadEx(ilGenerator, pushReader, pushCtx, il => il.Do(pushDescriptor).LdcI4(0).Callvirt(() => default(ITypeDescriptor).NestedType(0)), itemType, _convertorGenerator);
ilGenerator
.Callvirt(listType.GetInterface("ICollection`1").GetMethod("Add"))
.Br(next)
.Mark(loadFinished)
.Ldloc(localList)
.Castclass(targetType);
}
}
public void GenerateLoad(IILGen ilGenerator, Action<IILGen> pushReader, Action<IILGen> pushCtx, Action<IILGen> pushDescriptor, Type targetType)
{
if (targetType == typeof(object))
{
var resultLoc = ilGenerator.DeclareLocal(typeof(DynamicObject), "result");
var labelNoCtx = ilGenerator.DefineLabel();
ilGenerator
.Do(pushDescriptor)
.Castclass(typeof(ObjectTypeDescriptor))
.Newobj(typeof(DynamicObject).GetConstructor(new[] { typeof(ObjectTypeDescriptor) }))
.Stloc(resultLoc)
.Do(pushCtx)
.BrfalseS(labelNoCtx)
.Do(pushCtx)
.Ldloc(resultLoc)
.Callvirt(() => default(ITypeBinaryDeserializerContext).AddBackRef(null))
.Mark(labelNoCtx);
var idx = 0;
foreach (var pair in _fields)
{
var idxForCapture = idx;
ilGenerator.Ldloc(resultLoc);
ilGenerator.LdcI4(idx);
pair.Value.GenerateLoadEx(ilGenerator, pushReader, pushCtx,
il =>
il.Do(pushDescriptor)
.LdcI4(idxForCapture)
.Callvirt(() => default(ITypeDescriptor).NestedType(0)), typeof(object), _typeSerializers.ConvertorGenerator);
ilGenerator.Callvirt(() => default(DynamicObject).SetFieldByIdxFast(0, null));
idx++;
}
ilGenerator
.Ldloc(resultLoc)
.Castclass(typeof(object));
}
else
{
var resultLoc = ilGenerator.DeclareLocal(targetType, "result");
var labelNoCtx = ilGenerator.DefineLabel();
ilGenerator
.Newobj(targetType.GetConstructor(Type.EmptyTypes))
.Stloc(resultLoc)
.Do(pushCtx)
.BrfalseS(labelNoCtx)
.Do(pushCtx)
.Ldloc(resultLoc)
.Callvirt(() => default(ITypeBinaryDeserializerContext).AddBackRef(null))
.Mark(labelNoCtx);
var props = targetType.GetProperties();
for (var idx = 0; idx < _fields.Count; idx++)
{
var idxForCapture = idx;
var pair = _fields[idx];
var prop = props.FirstOrDefault(p => GetPersitentName(p) == pair.Key);
if (prop == null || !_typeSerializers.IsSafeToLoad(prop.PropertyType))
{
pair.Value.GenerateSkipEx(ilGenerator, pushReader, pushCtx);
continue;
}
ilGenerator.Ldloc(resultLoc);
pair.Value.GenerateLoadEx(ilGenerator, pushReader, pushCtx,
il => il.Do(pushDescriptor).LdcI4(idxForCapture).Callvirt(() => default(ITypeDescriptor).NestedType(0)),
prop.PropertyType, _typeSerializers.ConvertorGenerator);
ilGenerator.Callvirt(prop.GetSetMethod());
}
ilGenerator.Ldloc(resultLoc);
}
}
