private static KeyValuePair <Delegate, IntPtr> GetReader(ReaderMethodBuilderContext context, Type type) { var method = new DynamicMethod("Read_" + type.Name + "_AndCastToObject_" + Guid.NewGuid(), typeof(void), new[] { typeof(IntPtr), typeof(int).MakeByRefType(), typeof(object).MakeByRefType(), typeof(ReaderContext) }, context.Context.Module, true); using (var il = new GroboIL(method)) { il.Ldarg(2); // stack: [ref result] il.Ldarg(0); // stack: [ref result, data] il.Ldarg(1); // stack: [ref result, data, ref index] var value = il.DeclareLocal(type); il.Ldloca(value); // stack: [ref result, data, ref index, ref value] il.Ldarg(3); // stack: [ref result, data, ref index, ref value, context] ReaderMethodBuilderContext.CallReader(il, type, context.Context); il.Ldloc(value); // stack: [ref result, value] if (type.IsValueType) { il.Box(type); // stack: [ref result, (object)value] } else { il.Castclass(type); } il.Stind(typeof(object)); // result = (object)value il.Ret(); } var @delegate = method.CreateDelegate(typeof(ReaderDelegate)); return(new KeyValuePair <Delegate, IntPtr>(@delegate, GroBufHelpers.ExtractDynamicMethodPointer(method))); }
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(); context.AssertTypeCode(GroBufTypeCode.DateTimeOffset); // Assert typeCode == TypeCode.DateTimeOffset var il = context.Il; context.LoadResultByRef(); // stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Initobj(Type); // result = default(DateTimeOffset); stack: [ref result] context.LoadData(); // stack: [ref result, data] context.LoadIndexByRef(); // stack: [ref result, data, ref index] var dateTime = il.DeclareLocal(typeof(DateTime)); il.Ldloca(dateTime); // stack: [ref result, data, ref index, ref dateTime] context.LoadContext(); // stack: [ref result, data, ref index, ref dateTime, context] context.CallReader(typeof(DateTime)); // reader(pinnedData, ref index, ref dateTime, context); stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldloc(dateTime); // stack: [ref result, ref result, dateTime] il.Stfld(Type.GetField("m_dateTime", BindingFlags.Instance | BindingFlags.NonPublic)); // result.m_dateTime = dateTime; stack: [ref result] context.LoadData(); // stack: [ref result, data] context.LoadIndexByRef(); // stack: [ref result, data, ref index] var offset = il.DeclareLocal(typeof(short)); il.Ldloca(offset); // stack: [ref result, data, ref index, ref offset] context.LoadContext(); // stack: [ref result, data, ref index, ref offset, context] context.CallReader(typeof(short)); // reader(pinnedData, ref index, ref offset, context); stack: [ref result] il.Ldloc(offset); // stack: [ref result, ref result, offset] il.Stfld(Type.GetField("m_offsetMinutes", BindingFlags.Instance | BindingFlags.NonPublic)); // result.m_offsetMinutes = offset; stack: [ref result] }
private static KeyValuePair <Delegate, IntPtr>[] GetReaders(ReaderMethodBuilderContext context) { var result = new KeyValuePair <Delegate, IntPtr> [256]; foreach (var type in GroBufHelpers.LeafTypes.Where(type => type != null)) { result[(int)GroBufTypeCodeMap.GetTypeCode(type)] = GetReader(context, type); } result[(int)GroBufTypeCode.DateTimeOld] = result[(int)GroBufTypeCode.DateTimeNew]; return(result); }
/// <summary> /// Reads TypeCode at <c>data</c>[<c>index</c>] and checks it /// <para></para> /// Returns default(<typeparamref name="T" />) if TypeCode = Empty /// </summary> /// <param name="context">Current context</param> private static void ReadTypeCodeAndCheck(ReaderMethodBuilderContext context) { var il = context.Il; var notEmptyLabel = il.DefineLabel("notEmpty"); il.Ldc_I4(1); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(byte)); // stack: [data[index]] il.Dup(); // stack: [data[index], data[index]] il.Stloc(context.TypeCode); // typeCode = data[index]; stack: [typeCode] il.Brtrue(notEmptyLabel); // if(typeCode != 0) goto notNull; context.IncreaseIndexBy1(); // index = index + 1 il.Ret(); il.MarkLabel(notEmptyLabel); context.CheckTypeCode(); }
protected override void ReadNotEmpty(ReaderMethodBuilderContext context) { var il = context.Il; context.LoadResultByRef(); // stack: [ref result] context.LoadData(); // stack: [ref result, data] context.LoadIndexByRef(); // stack: [ref result, data, ref index] var argumentType = Type.GetGenericArguments()[0]; var value = il.DeclareLocal(argumentType); il.Ldloca(value); // stack: [ref result, data, ref index, ref value] context.LoadContext(); // stack: [ref result, data, ref index, ref value, context] context.CallReader(argumentType); // reader(pinnedData, ref index, ref value, context); stack: [ref result] il.Ldloc(value); // stack: [ref result, value] var constructor = Type.GetConstructor(new[] { argumentType }); if (constructor == null) { throw new MissingConstructorException(Type, argumentType); } il.Newobj(constructor); // stack: [ref result, new elementType?(value)] il.Stobj(Type); // result = new elementType?(value) }
protected abstract void ReadNotEmpty(ReaderMethodBuilderContext context);
protected override void ReadNotEmpty(ReaderMethodBuilderContext context) { context.IncreaseIndexBy1(); context.AssertTypeCode(GroBufTypeCode.Array); var il = context.Il; var length = context.Length; il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(uint)); // stack: [data length] context.IncreaseIndexBy4(); // index = index + 4; stack: [data length] context.AssertLength(); il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(uint)); // stack: [array length] context.IncreaseIndexBy4(); // index = index + 4; stack: [array length] il.Stloc(length); // length = array length; stack: [] context.LoadResultByRef(); // stack: [ref result] il.Newobj(Type.GetConstructor(Type.EmptyTypes)); // stack: [ref result, new HashSet() = hashSet] il.Dup(); // stack: [ref result, hashSet, hashSet] il.Ldloc(length); // stack: [ref result, hashSet, hashSet, length] var initializeMethod = Type.GetMethod("Initialize", BindingFlags.Instance | BindingFlags.NonPublic); il.Call(initializeMethod); // hashSet.Initialize(length); stack: [ref result, hashSet] or [ref result, hashSet, actualHashSetSize] if (initializeMethod.ReturnType != typeof(void)) { il.Pop(); // stack: [ref result, hashSet] } il.Stind(Type); // result = hashSet; stack: [] context.StoreObject(Type); il.Ldloc(length); // stack: [length] var doneLabel = il.DefineLabel("done"); il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: [] var i = il.DeclareLocal(typeof(uint)); il.Ldc_I4(0); // stack: [0] il.Stloc(i); // i = 0; stack: [] var cycleStartLabel = il.DefineLabel("cycleStart"); il.MarkLabel(cycleStartLabel); context.LoadData(); // stack: [pinnedData] context.LoadIndexByRef(); // stack: [pinnedData, ref index] var value = il.DeclareLocal(elementType); il.Ldloca(value); // stack: [pinnedData, ref index, ref value] context.LoadContext(); // stack: [pinnedData, ref index, ref value, context] context.CallReader(elementType); // reader(pinnedData, ref index, ref value, context); stack: [] context.LoadResult(Type); // stack: [result] il.Ldloc(value); // stack: [result, value] il.Call(Type.GetMethod("Add")); // stack: [result.Add(value)] il.Pop(); // stack: [] if (!elementType.IsValueType) { il.Ldnull(); il.Stloc(value); } il.Ldloc(i); // stack: [i] il.Ldc_I4(1); // stack: [i, 1] il.Add(); // stack: [i + 1] il.Dup(); // stack: [i + 1, i + 1] il.Stloc(i); // i = i + 1; stack: [i] il.Ldloc(length); // stack: [i, length] il.Blt(cycleStartLabel, true); // if(i < length) goto cycleStart il.MarkLabel(doneLabel); // stack: [] }
protected override void ReadNotEmpty(ReaderMethodBuilderContext context) { var constructor = Type.GetConstructor(new[] { typeof(long), typeof(DateTimeKind) }); if (constructor == null) { throw new MissingConstructorException(Type, typeof(long), typeof(DateTimeKind)); } var il = context.Il; il.Ldloc(context.TypeCode); // stack: [typeCode] il.Ldc_I4((int)GroBufTypeCode.DateTimeNew); // stack: [typeCode, GroBufTypeCode.DateTimeNew] var processOldFormatLabel = il.DefineLabel("processOldFormat"); il.Bne_Un(processOldFormatLabel); // if(typeCode != GroBufTypeCode.DateTimeNew) goto processOldFormat; stack: [] context.IncreaseIndexBy1(); il.Ldc_I4(8); // stack: [8] context.AssertLength(); context.LoadResultByRef(); // stack: [ref result] context.GoToCurrentLocation(); // stack: [ref result, &data[index]] il.Ldind(typeof(long)); // stack: [ref result, (long)data[index]] il.Call(dateTimeFromBinaryMethod); // stack: [ref result, DateTime.FromBinary((long)data[index])] il.Stobj(Type); // result = DateTime.FromBinary((long)data[index]) context.IncreaseIndexBy8(); // index = index + 8 il.Ret(); il.MarkLabel(processOldFormatLabel); var okLabel = il.DefineLabel("ok"); il.Ldloc(context.TypeCode); // stack: [typeCode] il.Ldc_I4((int)GroBufTypeCode.DateTimeOld); // stack: [typeCode, GroBufTypeCode.DateTimeOld] il.Beq(okLabel); // if(typeCode == GroBufTypeCode.DateTimeOld) goto label il.Ldloc(context.TypeCode); // stack: [typeCode] il.Ldc_I4((int)GroBufTypeCode.Int64); // stack: [typeCode, GroBufTypeCode.Int64] il.Beq(okLabel); // if(typeCode == GroBufTypeCode.Int64) goto label context.SkipValue(); il.Ret(); il.MarkLabel(okLabel); context.IncreaseIndexBy1(); il.Ldc_I4(8); // stack: [8] context.AssertLength(); context.LoadResultByRef(); // stack: [ref result] context.GoToCurrentLocation(); // stack: [ref result, &data[index]] il.Ldind(typeof(long)); // stack: [ref result, (long)&data[index] = ticks] il.Dup(); // stack: [ref result, ticks, ticks] il.Ldc_I8(long.MinValue); // stack: [ref result, ticks, ticks, 0x8000000000000000] il.And(); // stack: [ref result, ticks, ticks & 0x8000000000000000] var notUtcLabel = il.DefineLabel("notUtc"); il.Brtrue(notUtcLabel); // if(ticks & 0x8000000000000000 != 0) goto notUtc; stack: [ref result, ticks] il.Ldc_I4((int)DateTimeKind.Utc); // stack: [ref result, ticks, DateTimeKind.Utc] il.Newobj(constructor); // stack: [ref result, new DateTimeOld(ticks, DateTimeKind.Utc)] il.Stobj(Type); context.IncreaseIndexBy8(); il.Ret(); il.MarkLabel(notUtcLabel); context.IncreaseIndexBy8(); il.Ldc_I4(1); context.AssertLength(); il.Ldc_I8(long.MaxValue); // stack: [ref result, ticks, 0x7FFFFFFFFFFFFFFF] il.And(); // stack: [ref result, ticks & 0x7FFFFFFFFFFFFFFF] context.GoToCurrentLocation(); // stack: [ref result, ticks & 0x7FFFFFFFFFFFFFFF, &data[index]] il.Ldind(typeof(byte)); // stack: [ref result, ticks & 0x7FFFFFFFFFFFFFFF, (DateTimeKind)data[index] = kind] il.Newobj(constructor); // stack: [ref result, new DateTimeOld(ticks, kind)] il.Stobj(Type); context.IncreaseIndexBy1(); }
protected override unsafe void ReadNotEmpty(ReaderMethodBuilderContext context) { var il = context.Il; il.Ldloc(context.TypeCode); // stack: [type code] il.Ldc_I4((int)GroBufTypeCodeMap.GetTypeCode(Type)); // stack: [type code, GroBufTypeCode(Type)] var tryReadArrayElementLabel = il.DefineLabel("tryReadArrayElement"); il.Bne_Un(tryReadArrayElementLabel); // if(type code != GroBufTypeCode(Type)) goto tryReadArrayElement; stack: [] context.IncreaseIndexBy1(); var size = il.DeclareLocal(typeof(int)); il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(uint)); // stack: [data length] il.Dup(); // stack: [data length, data length] il.Stloc(size); // size = data length; stack: [data length] context.IncreaseIndexBy4(); // index = index + 4; stack: [data length] context.AssertLength(); var length = context.Length; il.Ldloc(size); // stack: [size] CountArrayLength(elementType, il); // stack: [array length] il.Stloc(length); // length = array length var array = il.DeclareLocal(elementType.MakeArrayType()); context.LoadResultByRef(); // stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldc_I4(0); // stack: [ref result, ref result, 0] il.Stfld(offsetField); // result._offset = 0; stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldloc(length); // stack: [ref result, ref result, length] il.Stfld(countField); // result._count = length; stack: [ref result] il.Ldloc(length); // stack: [ref result, length] il.Newarr(elementType); // stack: [ref result, new type[length]] il.Dup(); il.Stloc(array); // array = new type[length]; stack: [ref result] il.Stfld(arrayField); // result._array = array; stack: [] il.Ldloc(length); var doneLabel = il.DefineLabel("done"); il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: [] var arr = il.DeclareLocal(elementType.MakeByRefType(), true); il.Ldloc(array); // stack: [array] il.Ldc_I4(0); // stack: [array, 0] il.Ldelema(elementType); // stack: [&array[0]] il.Stloc(arr); // arr = &array[0]; stack: [] il.Ldloc(arr); // stack: [arr] context.GoToCurrentLocation(); // stack: [arr, &data[index]] il.Ldloc(length); // stack: [arr, &data[index], length] CountArraySize(elementType, il); // stack: [arr, &data[index], size] il.Cpblk(); // arr = &data[index] il.FreePinnedLocal(arr); // arr = null; stack: [] context.LoadIndexByRef(); // stack: [ref index] context.LoadIndex(); // stack: [ref index, index] il.Ldloc(size); // stack: [ref index, index, size] il.Add(); // stack: [ref index, index + size] il.Stind(typeof(int)); // index = index + size il.Br(doneLabel); il.MarkLabel(tryReadArrayElementLabel); context.LoadResultByRef(); // stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldc_I4(0); // stack: [ref result, ref result, 0] il.Stfld(offsetField); // result._offset = 0; stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldc_I4(1); // stack: [ref result, ref result, 1] il.Stfld(countField); // result._count = 1; stack: [ref result] il.Ldc_I4(1); // stack: [ref result, 1] il.Newarr(elementType); // stack: [ref result, new type[1]] il.Dup(); il.Stloc(array); // array = new type[1]; stack: [ref result] il.Stfld(arrayField); // result._array = array; stack: [] context.LoadData(); // stack: [pinnedData] context.LoadIndexByRef(); // stack: [pinnedData, ref index] il.Ldloc(array); // stack: [pinnedData, ref index, array] il.Ldc_I4(0); // stack: [pinnedData, ref index, array, 0] il.Ldelema(elementType); // stack: [pinnedData, ref index, ref array[0]] context.LoadContext(); // stack: [pinnedData, ref index, ref array[0], context] context.CallReader(elementType); // reader(pinnedData, ref index, ref array[0], context); stack: [] il.MarkLabel(doneLabel); // stack: [] }
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) }
protected override void ReadNotEmpty(ReaderMethodBuilderContext context) { var il = context.Il; il.Ldloc(context.TypeCode); // stack: [type code] il.Ldc_I4((int)GroBufTypeCode.Array); // stack: [type code, GroBufTypeCode.Array] var tryReadArrayElementLabel = il.DefineLabel("tryReadArrayElement"); il.Bne_Un(tryReadArrayElementLabel); // if(type code != GroBufTypeCode.Array) goto tryReadArrayElement; stack: [] context.IncreaseIndexBy1(); var length = context.Length; il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(uint)); // stack: [data length] context.IncreaseIndexBy4(); // index = index + 4; stack: [data length] context.AssertLength(); il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(uint)); // stack: [array length] context.IncreaseIndexBy4(); // index = index + 4; stack: [array length] il.Stloc(length); // length = array length; stack: [] var array = il.DeclareLocal(elementType.MakeArrayType()); context.LoadResultByRef(); // stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldc_I4(0); // stack: [ref result, ref result, 0] il.Stfld(offsetField); // result._offset = 0; stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldloc(length); // stack: [ref result, ref result, length] il.Stfld(countField); // result._count = length; stack: [ref result] il.Ldloc(length); // stack: [ref result, length] il.Newarr(elementType); // stack: [ref result, new type[length]] il.Dup(); il.Stloc(array); // array = new type[length]; stack: [ref result] il.Stfld(arrayField); // result._array = array; stack: [] il.Ldloc(length); // stack: [length] var doneLabel = il.DefineLabel("done"); il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: [] var i = il.DeclareLocal(typeof(uint)); il.Ldc_I4(0); // stack: [0] il.Stloc(i); // i = 0; stack: [] var cycleStartLabel = il.DefineLabel("cycleStart"); il.MarkLabel(cycleStartLabel); context.LoadData(); // stack: [pinnedData] context.LoadIndexByRef(); // stack: [pinnedData, ref index] il.Ldloc(array); // stack: [pinnedData, ref index, array] il.Ldloc(i); // stack: [pinnedData, ref index, array, i] il.Ldelema(elementType); // stack: [pinnedData, ref index, ref array[i]] context.LoadContext(); // stack: [pinnedData, ref index, ref array[i], context] context.CallReader(elementType); // reader(pinnedData, ref index, ref array[i], context); stack: [] il.Ldloc(i); // stack: [i] il.Ldc_I4(1); // stack: [i, 1] il.Add(); // stack: [i + 1] il.Dup(); // stack: [i + 1, i + 1] il.Stloc(i); // i = i + 1; stack: [i] il.Ldloc(length); // stack: [i, length] il.Blt(cycleStartLabel, true); // if(i < length) goto cycleStart il.Br(doneLabel); il.MarkLabel(tryReadArrayElementLabel); context.LoadResultByRef(); // stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldc_I4(0); // stack: [ref result, ref result, 0] il.Stfld(offsetField); // result._offset = 0; stack: [ref result] il.Dup(); // stack: [ref result, ref result] il.Ldc_I4(1); // stack: [ref result, ref result, 1] il.Stfld(countField); // result._count = 1; stack: [ref result] il.Ldc_I4(1); // stack: [ref result, 1] il.Newarr(elementType); // stack: [ref result, new type[1]] il.Dup(); il.Stloc(array); // array = new type[1]; stack: [ref result] il.Stfld(arrayField); // result._array = array; stack: [] context.LoadData(); // stack: [pinnedData] context.LoadIndexByRef(); // stack: [pinnedData, ref index] il.Ldloc(array); // stack: [pinnedData, ref index, array] il.Ldc_I4(0); // stack: [pinnedData, ref index, array, 0] il.Ldelema(elementType); // stack: [pinnedData, ref index, ref array[0]] context.LoadContext(); // stack: [pinnedData, ref index, ref array[0], context] context.CallReader(elementType); // reader(pinnedData, ref index, ref array[0], context); stack: [] il.MarkLabel(doneLabel); // stack: [] }
protected override void ReadNotEmpty(ReaderMethodBuilderContext context) { context.IncreaseIndexBy1(); context.AssertTypeCode(GroBufTypeCode.Dictionary); var il = context.Il; var length = context.Length; il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(uint)); // stack: [data length] context.IncreaseIndexBy4(); // index = index + 4; stack: [data length] context.AssertLength(); il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(uint)); // stack: [array length] context.IncreaseIndexBy4(); // index = index + 4; stack: [array length] il.Stloc(length); // length = array length; stack: [] context.LoadResultByRef(); // stack: [ref result] il.Ldloc(length); // stack: [ref result, length] il.Newobj(Type.GetConstructor(new[] { typeof(int) })); // stack: [ref result, new Dictionary(length)] il.Stind(Type); // result = new Dictionary(length); stack: [] context.StoreObject(Type); il.Ldloc(length); // stack: [length] var doneLabel = il.DefineLabel("done"); il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: [] var i = il.DeclareLocal(typeof(uint)); il.Ldc_I4(0); // stack: [0] il.Stloc(i); // i = 0; stack: [] var cycleStartLabel = il.DefineLabel("cycleStart"); il.MarkLabel(cycleStartLabel); context.LoadData(); // stack: [pinnedData] context.LoadIndexByRef(); // stack: [pinnedData, ref index] var key = il.DeclareLocal(Type.GetGenericArguments()[0]); var value = il.DeclareLocal(Type.GetGenericArguments()[1]); il.Ldloca(key); // stack: [pinnedData, ref index, ref key] context.LoadContext(); // stack: [pinnedData, ref index, ref key, context] context.CallReader(keyType); // reader(pinnedData, ref index, ref key, context); stack: [] context.LoadData(); // stack: [pinnedData] context.LoadIndexByRef(); // stack: [pinnedData, ref index] il.Ldloca(value); // stack: [pinnedData, ref index, ref value] context.LoadContext(); // stack: [pinnedData, ref index, ref value, context] context.CallReader(valueType); // reader(pinnedData, ref index, ref value, context); stack: [] context.LoadResult(Type); il.Ldloc(key); il.Ldloc(value); il.Call(Type.GetMethod("Add")); if (!keyType.IsValueType) { il.Ldnull(); il.Stloc(key); } if (!valueType.IsValueType) { il.Ldnull(); il.Stloc(value); } il.Ldloc(i); // stack: [i] il.Ldc_I4(1); // stack: [i, 1] il.Add(); // stack: [i + 1] il.Dup(); // stack: [i + 1, i + 1] il.Stloc(i); // i = i + 1; stack: [i] il.Ldloc(length); // stack: [i, length] il.Blt(cycleStartLabel, true); // if(i < length) goto cycleStart il.MarkLabel(doneLabel); // stack: [] }
protected override unsafe void ReadNotEmpty(ReaderMethodBuilderContext context) { var il = context.Il; il.Ldloc(context.TypeCode); // stack: [type code] il.Ldc_I4((int)GroBufTypeCodeMap.GetTypeCode(Type)); // stack: [type code, GroBufTypeCode(Type)] var tryReadArrayElementLabel = il.DefineLabel("tryReadArrayElement"); il.Bne_Un(tryReadArrayElementLabel); // if(type code != GroBufTypeCode(Type)) goto tryReadArrayElement; stack: [] context.IncreaseIndexBy1(); var size = il.DeclareLocal(typeof(int)); il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&data[index]] il.Ldind(typeof(uint)); // stack: [data length] il.Dup(); // stack: [data length, data length] il.Stloc(size); // size = data length; stack: [data length] context.IncreaseIndexBy4(); // index = index + 4; stack: [data length] context.AssertLength(); var length = context.Length; il.Ldloc(size); // stack: [size] CountArrayLength(elementType, il); // stack: [array length] il.Stloc(length); // length = array length if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead)) { var createArrayLabel = il.DefineLabel("createArray"); context.LoadResult(Type); // stack: [result] il.Brfalse(createArrayLabel); // if(result == null) goto createArray; context.LoadResult(Type); // stack: [result] il.Ldlen(); // stack: [result.Length] il.Ldloc(length); // stack: [result.Length, length] var arrayCreatedLabel = il.DefineLabel("arrayCreated"); il.Bge(arrayCreatedLabel, false); // if(result.Length >= length) goto arrayCreated; context.LoadResultByRef(); // stack: [ref result] il.Ldloc(length); // stack: [ref result, length] il.Call(resizeMethod.MakeGenericMethod(elementType)); // Array.Resize(ref result, length) il.Br(arrayCreatedLabel); // goto arrayCreated il.MarkLabel(createArrayLabel); context.LoadResultByRef(); // stack: [ref result] il.Ldloc(length); // stack: [ref result, length] il.Newarr(elementType); // stack: [ref result, new type[length]] il.Stind(Type); // result = new type[length]; stack: [] il.MarkLabel(arrayCreatedLabel); } else { context.LoadResultByRef(); // stack: [ref result] il.Ldloc(length); // stack: [ref result, length] il.Newarr(elementType); // stack: [ref result, new type[length]] il.Stind(Type); // result = new type[length]; stack: [] } il.Ldloc(length); var doneLabel = il.DefineLabel("done"); il.Brfalse(doneLabel); // if(length == 0) goto allDone; stack: [] var arr = il.DeclareLocal(elementType.MakeByRefType(), true); context.LoadResult(Type); // stack: [result] il.Ldc_I4(0); // stack: [result, 0] il.Ldelema(elementType); // stack: [&result[0]] il.Stloc(arr); // arr = &result[0]; stack: [] il.Ldloc(arr); // stack: [arr] context.GoToCurrentLocation(); // stack: [arr, &data[index]] il.Ldloc(length); // stack: [arr, &data[index], length] CountArraySize(elementType, il); // stack: [arr, &data[index], size] il.Cpblk(); // arr = &data[index] il.FreePinnedLocal(arr); // arr = null; stack: [] context.LoadIndexByRef(); // stack: [ref index] context.LoadIndex(); // stack: [ref index, index] il.Ldloc(size); // stack: [ref index, index, size] il.Add(); // stack: [ref index, index + size] il.Stind(typeof(int)); // index = index + size il.Br(doneLabel); il.MarkLabel(tryReadArrayElementLabel); if (context.Context.GroBufReader.Options.HasFlag(GroBufOptions.MergeOnRead)) { var createArrayLabel = il.DefineLabel("createArray"); context.LoadResult(Type); // stack: [result] il.Brfalse(createArrayLabel); // if(result == null) goto createArray; context.LoadResult(Type); // stack: [result] il.Ldlen(); // stack: [result.Length] il.Ldc_I4(1); // stack: [result.Length, 1] var arrayCreatedLabel = il.DefineLabel("arrayCreated"); il.Bge(arrayCreatedLabel, false); // if(result.Length >= 1) goto arrayCreated; context.LoadResultByRef(); // stack: [ref result] il.Ldc_I4(1); // stack: [ref result, 1] il.Call(resizeMethod.MakeGenericMethod(elementType)); // Array.Resize(ref result, 1) il.Br(arrayCreatedLabel); // goto arrayCreated il.MarkLabel(createArrayLabel); context.LoadResultByRef(); // stack: [ref result] il.Ldc_I4(1); // stack: [ref result, 1] il.Newarr(elementType); // stack: [ref result, new type[1]] il.Stind(Type); // result = new type[1]; stack: [] il.MarkLabel(arrayCreatedLabel); } else { context.LoadResultByRef(); // stack: [ref result] il.Ldc_I4(1); // stack: [ref result, 1] il.Newarr(elementType); // stack: [ref result, new type[1]] il.Stind(Type); // result = new type[1]; stack: [] } context.LoadData(); // stack: [pinnedData] context.LoadIndexByRef(); // stack: [pinnedData, ref index] context.LoadResult(Type); // stack: [pinnedData, ref index, result] il.Ldc_I4(0); // stack: [pinnedData, ref index, result, 0] il.Ldelema(elementType); // stack: [pinnedData, ref index, ref result[0]] context.LoadContext(); // stack: [pinnedData, ref index, ref result[0], context] context.CallReader(elementType); // reader(pinnedData, ref index, ref result[0], context); stack: [] il.MarkLabel(doneLabel); // stack: [] }