protected override void ReadNotEmpty(ReaderMethodBuilderContext context)
{
var il = context.Il;
var readers = GetReaders(context);
var readersField = context.Context.InitConstField(Type, 0, readers.Select(pair => pair.Value).ToArray());
context.Context.InitConstField(Type, 1, readers.Select(pair => pair.Key).ToArray());
context.LoadData(); // stack: [data]
context.LoadIndexByRef(); // stack: [data, ref index]
context.LoadResultByRef(); // stack: [data, ref index, ref result]
context.LoadContext(); // stack: [data, ref index, ref result, context]
context.LoadField(readersField); // stack: [data, ref index, ref result, context, readers]
il.Ldloc(context.TypeCode); // stack: [data, ref index, ref result, context, readers, typeCode]
il.Ldelem(typeof(IntPtr)); // stack: [data, ref index, ref result, context, readers[typeCode]]
il.Dup(); // stack: [data, ref index, ref result, context, readers[typeCode], readers[typeCode]]
var skipValueLabel = il.DefineLabel("skipValue");
il.Brfalse(skipValueLabel); // if(readers[typeCode] == 0) goto skipValue;
var parameterTypes = new[] { typeof(byte *), typeof(int).MakeByRefType(), typeof(object).MakeByRefType(), typeof(ReaderContext) };
il.Calli(CallingConventions.Standard, typeof(void), parameterTypes); // readers[typeCode](data, ref index, ref result, context); stack: []
il.Ret();
il.MarkLabel(skipValueLabel);
il.Pop();
il.Pop();
il.Pop();
il.Pop();
il.Pop();
context.IncreaseIndexBy1();
context.SkipValue();
}
protected override void ReadNotEmpty(ReaderMethodBuilderContext context)
{
context.IncreaseIndexBy1();
var readersField = context.Context.InitConstField(Type, 0, primitiveReaders.Select(pair => pair.Value).ToArray());
context.Context.InitConstField(Type, 1, primitiveReaders.Select(pair => pair.Key).ToArray());
var il = context.Il;
context.GoToCurrentLocation(); // stack: [&data[index]]
context.LoadResultByRef(); // stack: [&data[index], ref result]
context.SkipValue();
context.LoadField(readersField); // stack: [&data[index], ref result, readers]
il.Ldloc(context.TypeCode); // stack: [&data[index], ref result, readers, typeCode]
il.Ldelem(typeof(IntPtr)); // stack: [&data[index], ref result, readers[typeCode]]
il.Calli(CallingConventions.Standard, typeof(void), new[] { typeof(byte *), Type.MakeByRefType() }); // readers[typeCode](&data[index], ref result); stack: []
}
protected override void ReadNotEmpty(ReaderMethodBuilderContext context)
{
var customSerializerField = context.Context.InitConstField(Type, 0, customSerializer);
var il = context.Il;
context.IncreaseIndexBy1(); // index = index + 1
context.AssertTypeCode(GroBufTypeCode.CustomData);
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [(uint)data[index]]
context.IncreaseIndexBy4(); // index = index + 4; stack: [(uint)data[index]]
context.AssertLength(); // stack: []
var local = il.DeclareLocal(typeof(object));
context.LoadField(customSerializerField); // stack: [customSerializer]
context.LoadData(); // stack: [customSerializer, data]
context.LoadIndexByRef(); // stack: [customSerializer, data, ref index]
il.Ldloca(local); // stack: [customSerializer, data, ref index, ref local]
context.LoadContext(); // stack: [customSerializer, data, ref index, ref local, context]
int dummy = 0;
object dummyObj = null;
var readMethod = HackHelpers.GetMethodDefinition <IGroBufCustomSerializer>(serializer => serializer.Read(IntPtr.Zero, ref dummy, ref dummyObj, null));
il.Call(readMethod); // customSerializer.Read(data, ref index, length, ref local); stack: []
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(local); // stack: [ref result, ref local]
if (!Type.IsValueType)
{
il.Castclass(Type);
il.Stind(Type);
}
else
{
il.Unbox_Any(Type); // stack: [ref result, (Type)local]
il.Stobj(Type); // result = (Type)local
}
context.StoreObject(Type);
}
protected override void ReadNotEmpty(ReaderMethodBuilderContext context)
{
MemberInfo[] dataMembers;
ulong[] hashCodes;
BuildMembersTable(context.Context, out hashCodes, out dataMembers);
var il = context.Il;
var end = context.Length;
var typeCode = context.TypeCode;
var setters = dataMembers.Select(member => member == null ? default(KeyValuePair <Delegate, IntPtr>) : GetMemberSetter(context.Context, member)).ToArray();
var settersField = context.Context.InitConstField(Type, 0, setters.Select(pair => pair.Value).ToArray());
context.Context.InitConstField(Type, 1, setters.Select(pair => pair.Key).ToArray());
var hashCodesField = context.Context.InitConstField(Type, 2, hashCodes);
context.IncreaseIndexBy1(); // index = index + 1
context.AssertTypeCode(GroBufTypeCode.Object);
il.Ldc_I4(4);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(uint)); // stack: [(uint)data[index] = data length]
context.IncreaseIndexBy4(); // index = index + 4; stack: [data length]
il.Dup(); // stack: [data length, data length]
il.Stloc(end); // end = data length; stack: [data length]
if (!Type.IsValueType)
{
context.LoadResultByRef(); // stack: [data length, ref result]
il.Ldind(Type); // stack: [data length, result]
var notNullLabel = il.DefineLabel("notNull");
il.Brtrue(notNullLabel); // if(result != null) goto notNull; stack: [data length]
context.LoadResultByRef(); // stack: [data length, ref result]
ObjectConstructionHelper.EmitConstructionOfType(Type, il);
il.Stind(Type); // result = new type(); stack: [data length]
il.MarkLabel(notNullLabel);
}
context.StoreObject(Type);
var doneLabel = il.DefineLabel("done");
il.Brfalse(doneLabel); // if(data length == 0) goto done; stack: []
il.Ldloc(end); // stack: [data length]
context.AssertLength(); // stack: []
il.Ldloc(end); // stack: [data length]
context.LoadIndex(); // stack: [data length, index]
il.Add(); // stack: [data length + index]
il.Stloc(end); // end = data length + index
var cycleStartLabel = il.DefineLabel("cycleStart");
il.MarkLabel(cycleStartLabel);
il.Ldc_I4(9);
context.AssertLength();
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(long)); // stack: [*(int64*)&data[index] = hashCode]
context.IncreaseIndexBy8(); // index = index + 8; stack: [*(int64*)&data[index] = hashCode]
il.Dup(); // stack: [hashCode, hashCode]
il.Ldc_I8(dataMembers.Length); // stack: [hashCode, hashCode, (int64)hashCodes.Length]
il.Rem(true); // stack: [hashCode, hashCode % hashCodes.Length]
il.Conv <int>(); // stack: [hashCode, (int)(hashCode % hashCodes.Length)]
var idx = il.DeclareLocal(typeof(int));
il.Stloc(idx); // idx = (int)(hashCode % hashCodes.Length); stack: [hashCode]
context.LoadField(hashCodesField); // stack: [hashCode, hashCodes]
il.Ldloc(idx); // stack: [hashCode, hashCodes, idx]
il.Ldelem(typeof(long)); // stack: [hashCode, hashCodes[idx]]
var skipDataLabel = il.DefineLabel("skipData");
il.Bne_Un(skipDataLabel); // if(hashCode != hashCodes[idx]) goto skipData; stack: []
// Read data
context.LoadData(); // stack: [pinnedData]
context.LoadIndexByRef(); // stack: [pinnedData, ref index]
context.LoadResultByRef(); // stack: [pinnedData, ref index, ref result]
context.LoadContext(); // stack: [pinnedData, ref index, ref result, context]
context.LoadField(settersField); // stack: [pinnedData, ref index, ref result, context, setters]
il.Ldloc(idx); // stack: [pinnedData, ref index, ref result, context, setters, idx]
il.Ldelem(typeof(IntPtr)); // stack: [pinnedData, ref index, ref result, context, setters[idx]]
var parameterTypes = new[] { typeof(byte *), typeof(int).MakeByRefType(), Type.MakeByRefType(), typeof(ReaderContext) };
il.Calli(CallingConventions.Standard, typeof(void), parameterTypes); // setters[idx](pinnedData, ref index, ref result, context); stack: []
var checkIndexLabel = il.DefineLabel("checkIndex");
il.Br(checkIndexLabel); // goto checkIndex
il.MarkLabel(skipDataLabel);
// Skip data
context.GoToCurrentLocation(); // stack: [&data[index]]
il.Ldind(typeof(byte)); // stack: [data[index]]
il.Stloc(typeCode); // typeCode = data[index]; stack: []
context.IncreaseIndexBy1(); // index = index + 1
context.CheckTypeCode();
context.SkipValue();
il.MarkLabel(checkIndexLabel);
context.LoadIndex(); // stack: [index]
il.Ldloc(end); // stack: [index, end]
il.Blt(cycleStartLabel, true); // if(index < end) goto cycleStart; stack: []
var onDeserializedMethod = Type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)
.SingleOrDefault(method => method.GetCustomAttribute <OnDeserializedAttribute>() != null);
if (onDeserializedMethod != null)
{
var parameters = onDeserializedMethod.GetParameters();
if (parameters.Length != 1 || parameters[0].ParameterType != typeof(StreamingContext))
{
throw new InvalidOperationException(string.Format("The method '{0}' marked with 'OnDeserialized' attribute must accept exactly one parameter of type '{1}'", onDeserializedMethod, typeof(StreamingContext).FullName));
}
context.LoadResult(Type);
il.Ldc_I4((int)StreamingContextStates.Other);
il.Newobj(typeof(StreamingContext).GetConstructor(new[] { typeof(StreamingContextStates) }));
il.Call(onDeserializedMethod);
}
il.MarkLabel(doneLabel);
}
protected override void ReadNotEmpty(ReaderMethodBuilderContext context)
{
int[] values;
ulong[] hashCodes;
EnumHelpers.BuildValuesTable(Type, out values, out hashCodes);
var valuesField = context.Context.InitConstField(Type, 0, values);
var hashCodesField = context.Context.InitConstField(Type, 1, hashCodes);
var il = context.Il;
il.Ldloc(context.TypeCode); // stack: [typeCode]
il.Ldc_I4((int)GroBufTypeCode.Enum);
var tryParseLabel = il.DefineLabel("tryParse");
il.Bne_Un(tryParseLabel); // if(typeCode != GroBufTypeCode.Enum) goto tryParse;
context.IncreaseIndexBy1();
il.Ldc_I4(8); // stack: [8]
context.AssertLength();
context.LoadResultByRef(); // stack: [ref result]
context.GoToCurrentLocation(); // stack: [ref result, &result[index]]
il.Ldind(typeof(long)); // stack: [ref result, *(int64*)result[index] = hashCode]
context.IncreaseIndexBy8(); // index = index + 8; stack: [ref result, hashCode]
var parseByHashCodeLabel = il.DefineLabel("parseByHashCode");
il.MarkLabel(parseByHashCodeLabel);
il.Dup(); // stack: [ref result, hashCode, hashCode]
il.Ldc_I8(hashCodes.Length); // stack: [ref result, hashCode, hashCode, (int64)hashCodes.Length]
il.Rem(true); // stack: [ref result, hashCode, hashCode % hashCodes.Length = idx]
il.Conv <int>(); // stack: [ref result, hashCode, (int)(hashCode % hashCodes.Length)]
var idx = context.Length;
il.Stloc(idx); // idx = (int)(hashCode % hashCodes.Length); stack: [ref result, hashCode]
context.LoadField(hashCodesField); // stack: [ref result, hashCode, hashCodes]
il.Ldloc(idx); // stack: [ref result, hashCode, hashCodes, idx]
il.Ldelem(typeof(long)); // stack: [ref result, hashCode, hashCodes[idx]]
var returnDefaultLabel = il.DefineLabel("returnDefault");
il.Bne_Un(returnDefaultLabel); // if(hashCode != hashCodes[idx]) goto returnDefault; stack: [ref result]
context.LoadField(valuesField); // stack: [ref result, values]
il.Ldloc(idx); // stack: [ref result, values, idx]
il.Ldelem(typeof(int)); // stack: [ref result, values[idx]]
il.Stind(typeof(int)); // result = values[idx]; stack: []
il.Ret();
il.MarkLabel(returnDefaultLabel);
il.Ldc_I4(0); // stack: [0]
il.Stind(typeof(int)); // result = 0
il.Ret();
il.MarkLabel(tryParseLabel);
il.Ldloc(context.TypeCode); // stack: [typeCode]
il.Ldc_I4((int)GroBufTypeCode.String); // stack: [typeCode, GroBufTypeCode.String]
var readAsIntLabel = il.DefineLabel("readAsInt");
il.Bne_Un(readAsIntLabel); // if(typeCode != GroBufTypeCode.String) goto readAsInt;
var str = il.DeclareLocal(typeof(string));
context.LoadData(); // stack: [pinnedData]
context.LoadIndexByRef(); // stack: [pinnedData, ref index]
il.Ldloca(str); // stack: [pinnedData, ref index, ref str]
context.LoadContext(); // stack: [pinnedData, ref index, ref str, context]
context.CallReader(typeof(string)); // reader<string>(pinnedData, ref index, ref str, context); stack: []
context.LoadResultByRef(); // stack: [ref result]
il.Ldloc(str); // stack: [ref result, str]
il.Call(typeof(GroBufHelpers).GetMethod("CalcHash", BindingFlags.Public | BindingFlags.Static)); // stack: [ref result, GroBufHelpers.CalcHash(str)]
il.Br(parseByHashCodeLabel);
il.MarkLabel(readAsIntLabel);
context.LoadData(); // stack: [pinnedData]
context.LoadIndexByRef(); // stack: [pinnedData, ref index]
context.LoadResultByRef(); // stack: [pinnedData, ref index, ref result]
context.LoadContext(); // stack: [pinnedData, ref index, ref result, context]
context.CallReader(typeof(int)); // reader<int>(pinnedData, ref index, ref result, context)
}
