protected override void WriteNotEmpty(WriterMethodBuilderContext context) { int[] values; ulong[] hashCodes; EnumHelpers.BuildHashCodesTable(Type, out values, out hashCodes); var hashCodesField = context.Context.InitConstField(Type, 0, hashCodes); var valuesField = context.Context.InitConstField(Type, 1, values); var il = context.Il; context.LoadField(valuesField); // stack: [values] context.LoadObj(); // stack: [values, obj] il.Ldc_I4(values.Length); // stack: [values, obj, values.Length] il.Rem(true); // stack: [values, obj % values.Length] il.Ldelem(typeof(int)); // stack: [values[obj % values.Length]] context.LoadObj(); // stack: [values[obj % values.Length], obj] il.Ceq(); // stack: [values[obj % values.Length] == obj] var writeIntLabel = il.DefineLabel("writeInt"); il.Brfalse(writeIntLabel); // if(values[obj % values.Length] != obj) goto writeInt context.LoadField(hashCodesField); // stack: [hashCodes] context.LoadObj(); // stack: [hashCodes, obj] il.Ldc_I4(hashCodes.Length); // stack: [hashCodes, obj, hashCodes.Length] il.Rem(true); // stack: [hashCodes, obj % hashCodes.Length] il.Ldelem(typeof(long)); // stack: [hashCodes[obj % hashCodes.Length] = hashCode] var hashCode = il.DeclareLocal(typeof(ulong)); il.Dup(); // stack: [hashCode, hashCode] il.Stloc(hashCode); // hashCode = hashCodes[obj % hashCodes.Length]; stack: [hashCode] il.Brfalse(writeIntLabel); context.WriteTypeCode(GroBufTypeCode.Enum); il.Ldc_I4(8); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&result[index]] il.Ldloc(hashCode); // stack: [&result[index], hashCode] il.Stind(typeof(long)); // *(int64*)&result[index] = hashCode context.IncreaseIndexBy8(); // index = index + 8; il.Ret(); il.MarkLabel(writeIntLabel); context.WriteTypeCode(GroBufTypeCode.Int32); il.Ldc_I4(4); context.AssertLength(); context.GoToCurrentLocation(); // stack: [&result[index]] context.LoadObj(); // stack: [&result[index], obj] il.Stind(typeof(int)); // result[index] = obj context.IncreaseIndexBy4(); // index = index + 4 }
protected override void WriteNotEmpty(WriterMethodBuilderContext context) { var customSerializerField = context.Context.InitConstField(Type, 0, customSerializer); var il = context.Il; var length = context.LocalInt; var start = il.DeclareLocal(typeof(int)); context.LoadIndexByRef(); // stack: [ref index] context.LoadIndex(); // stack: [ref index, index] il.Dup(); // stack: [ref index, index, index] il.Stloc(start); // start = index; stack: [ref index, index] il.Ldc_I4(5); // stack: [ref index, index, 5] il.Add(); // stack: [ref index, index + 5] il.Stind(typeof(int)); // index = index + 5; stack: [] context.LoadField(customSerializerField); // stack: [customSerializer] context.LoadObj(); // stack: [customSerializer, obj] if (Type.IsValueType) { il.Box(Type); // stack: [customSerializer, (object)obj] } context.LoadWriteEmpty(); // stack: [customSerializer, (object)obj, writeEmpty] context.LoadResult(); // stack: [customSerializer, (object)obj, writeEmpty, result] context.LoadIndexByRef(); // stack: [customSerializer, (object)obj, writeEmpty, result, ref index] context.LoadContext(); // stack: [customSerializer, (object)obj, writeEmpty, result, ref index, context] int dummy = 0; var writeMethod = HackHelpers.GetMethodDefinition <IGroBufCustomSerializer>(serializer => serializer.Write(null, false, IntPtr.Zero, ref dummy, null)); il.Call(writeMethod); // customSerializer.Write((object)obj, writeEmpty, result, ref index, context); stack: [] context.LoadIndex(); // stack: [index] il.Ldloc(start); // stack: [index, start] il.Sub(); // stack: [index - start] il.Ldc_I4(5); // stack: [index - start, 5] il.Sub(); // stack: [index - start - 5] var writeLengthLabel = il.DefineLabel("writeLength"); var doneLabel = il.DefineLabel("done"); il.Dup(); // stack: [index - start - 5, index - start - 5] il.Stloc(length); // length = index - start - 5; stack: [length] il.Brtrue(writeLengthLabel); // if(length != 0) goto writeLength; context.LoadIndexByRef(); // stack: [ref index] il.Ldloc(start); // stack: [ref index, start] il.Stind(typeof(int)); // index = start context.WriteNull(); il.MarkLabel(writeLengthLabel); context.LoadResult(); // stack: [result] il.Ldloc(start); // stack: [result, start] il.Add(); // stack: [result + start] il.Dup(); // stack: [result + start, result + start] il.Ldc_I4((int)GroBufTypeCode.CustomData); // stack: [result + start, result + start, TypeCode.Object] il.Stind(typeof(byte)); // *(result + start) = TypeCode.Object; stack: [result + start] il.Ldc_I4(1); // stack: [result + start, 1] il.Add(); // stack: [result + start + 1] il.Ldloc(length); // stack: [result + start + 1, length] il.Stind(typeof(int)); // *(int*)(result + start + 1) = length il.MarkLabel(doneLabel); }
protected override void WriteNotEmpty(WriterMethodBuilderContext context) { var il = context.Il; var writers = GroBufHelpers.LeafTypes.Select(type1 => type1 == null ? new KeyValuePair <Delegate, IntPtr>(null, IntPtr.Zero) : GetWriter(context, type1)).ToArray(); var writersField = context.Context.InitConstField(Type, 0, writers.Select(pair => pair.Value).ToArray()); context.Context.InitConstField(Type, 1, writers.Select(pair => pair.Key).ToArray()); il.Ldfld(typeof(GroBufHelpers).GetField("LeafTypeHandles", BindingFlags.Public | BindingFlags.Static)); // stack: [LeafTypeHandles] context.LoadObj(); // stack: [LeafTypeHandles, obj] il.Call(getTypeMethod); // stack: [LeafTypeHandles, obj.GetType()] var type = il.DeclareLocal(typeof(Type)); il.Dup(); // stack: [LeafTypeHandles, obj.GetType(), obj.GetType()] il.Stloc(type); // type = obj.GetType(); stack: [LeafTypeHandles, obj.GetType()] il.Call(typeTypeHandleProperty.GetGetMethod()); // stack: [LeafTypeHandles, obj.GetType().TypeHandle] var typeHandle = il.DeclareLocal(typeof(RuntimeTypeHandle)); il.Stloc(typeHandle); // typeHandle = obj.GetType().TypeHandle; stack: [LeafTypeHandles] il.Ldloca(typeHandle); // stack: [LeafTypeHandles, ref typeHandle] il.Call(runtimeTypeHandleValueProperty.GetGetMethod(), typeof(RuntimeTypeHandle)); // stack: [LeafTypeHandles, obj.GetType().TypeHandle.Value] var handle = il.DeclareLocal(typeof(IntPtr)); il.Dup(); // stack: [LeafTypeHandles, obj.GetType().TypeHandle.Value, obj.GetType().TypeHandle.Value] il.Stloc(handle); // handle = obj.GetType().TypeHandle.Value; stack: [LeafTypeHandles, handle] il.Ldc_I4(writers.Length); // stack: [LeafTypeHandles, handle, LeafTypeHandles.Length] il.Rem(true); // stack: [LeafTypeHandles, handle % LeafTypeHandles.Length] var index = il.DeclareLocal(typeof(int)); il.Conv <int>(); // stack: [LeafTypeHandles, (int)(handle % LeafTypeHandles.Length)] il.Dup(); // stack: [LeafTypeHandles, (int)(handle % LeafTypeHandles.Length), (int)(handle % LeafTypeHandles.Length)] il.Stloc(index); // index = (int)(handle % LeafTypeHandles.Length); stack: [LeafTypeHandles, index] il.Ldelem(typeof(IntPtr)); // stack: [LeafTypeHandles[index]] il.Ldloc(handle); // stack: [LeafTypeHandles[index], handle] var tryAsArrayLabel = il.DefineLabel("tryAsArray"); il.Bne_Un(tryAsArrayLabel); // if(LeafTypeHandles[index] != handle) goto tryAsArray; stack: [] context.LoadObj(); // stack: [obj] context.LoadWriteEmpty(); // stack: [obj, writeEmpty] context.LoadResult(); // stack: [obj, writeEmpty, result] context.LoadIndexByRef(); // stack: [obj, writeEmpty, result, ref index] context.LoadContext(); // stack: [obj, writeEmpty, result, ref index, context] context.LoadField(writersField); // stack: [obj, writeEmpty, result, ref index, context, writers] il.Ldloc(index); // stack: [obj, writeEmpty, result, ref index, context, writers, index] il.Ldelem(typeof(IntPtr)); // stack: [obj, writeEmpty, result, ref index, context, writers[index]] var parameterTypes = new[] { typeof(object), typeof(bool), typeof(byte *), typeof(int).MakeByRefType(), typeof(WriterContext) }; il.Calli(CallingConventions.Standard, typeof(void), parameterTypes); // stack: [writers[index](obj, writeEmpty, result, ref index, context)] il.Ret(); il.MarkLabel(tryAsArrayLabel); il.Ldloc(type); // stack: [obj.GetType()] il.Call(typeIsArrayProperty.GetGetMethod()); // stack: [obj.GetType().IsArray] var writeNullLabel = il.DefineLabel("writeNull"); il.Brfalse(writeNullLabel); context.LoadObj(); // stack: [obj] context.LoadWriteEmpty(); // stack: [obj, writeEmpty] context.LoadResult(); // stack: [obj, writeEmpty, result] context.LoadIndexByRef(); // stack: [obj, writeEmpty, result, ref index] context.LoadContext(); // stack: [obj, writeEmpty, result, ref index, context] context.LoadField(writersField); // stack: [obj, writeEmpty, result, ref index, context, writers] il.Ldc_I4(Array.IndexOf(GroBufHelpers.LeafTypes, typeof(object[]))); // stack: [obj, writeEmpty, result, ref index, context, writers, index of typeof(object[])] il.Ldelem(typeof(IntPtr)); // stack: [obj, writeEmpty, result, ref index, context, writers[index of typeof(object[])]] parameterTypes = new[] { typeof(object), typeof(bool), typeof(byte *), typeof(int).MakeByRefType(), typeof(WriterContext) }; il.Calli(CallingConventions.Standard, typeof(void), parameterTypes); // stack: [writers[index of typeof(object[])](obj, writeEmpty, result, ref index, context)] il.Ret(); il.MarkLabel(writeNullLabel); context.WriteNull(); }