private void WriteFieldHandler( Compiler.CompilerContext ctx, Type expected, Compiler.Local loc, Compiler.CodeLabel handler, Compiler.CodeLabel @continue, IProtoSerializer serializer) { ctx.MarkLabel(handler); if (serializer.ExpectedType == forType) { EmitCreateIfNull(ctx, loc); serializer.EmitRead(ctx, loc); } else { RuntimeTypeModel rtm = (RuntimeTypeModel)ctx.Model; if (((IProtoTypeSerializer)serializer).CanCreateInstance()) { Compiler.CodeLabel allDone = ctx.DefineLabel(); ctx.LoadValue(loc); ctx.BranchIfFalse(allDone, false); // null is always ok ctx.LoadValue(loc); ctx.TryCast(serializer.ExpectedType); ctx.BranchIfTrue(allDone, false); // not null, but of the correct type // otherwise, need to convert it ctx.LoadReaderWriter(); ctx.LoadValue(loc); ((IProtoTypeSerializer)serializer).EmitCreateInstance(ctx); ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("Merge")); ctx.Cast(expected); ctx.StoreValue(loc); // Merge always returns a value // nothing needs doing ctx.MarkLabel(allDone); } ctx.LoadValue(loc); ctx.Cast(serializer.ExpectedType); serializer.EmitRead(ctx, null); } if (serializer.ReturnsValue) { // update the variable ctx.StoreValue(loc); } ctx.Branch(@continue, false); // "continue" }
protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { if (getSpecified == null) { Tail.EmitWrite(ctx, valueFrom); return; } using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom)) { ctx.LoadAddress(loc, ExpectedType); ctx.EmitCall(getSpecified); Compiler.CodeLabel done = ctx.DefineLabel(); ctx.BranchIfFalse(done, false); Tail.EmitWrite(ctx, loc); ctx.MarkLabel(done); } }
private void EmitCreateIfNull(Compiler.CompilerContext ctx, Type type, Compiler.Local storage) { Helpers.DebugAssert(storage != null); if (!type.IsValueType) { Compiler.CodeLabel afterNullCheck = ctx.DefineLabel(); ctx.LoadValue(storage); ctx.BranchIfTrue(afterNullCheck, true); // different ways of creating a new instance if (!useConstructor) { // DataContractSerializer style ctx.LoadValue(forType); ctx.EmitCall(typeof(BclHelpers).GetMethod("GetUninitializedObject")); ctx.Cast(forType); } else if (type.IsClass && !type.IsAbstract && ( (type.GetConstructor( BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public, null, Helpers.EmptyTypes, null)) != null)) { // XmlSerializer style ctx.EmitCtor(type); } else { ctx.LoadValue(type); ctx.EmitCall(typeof(TypeModel).GetMethod("ThrowCannotCreateInstance", BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic)); ctx.LoadNullRef(); } if (baseCtorCallbacks != null) { for (int i = 0; i < baseCtorCallbacks.Length; i++) { EmitInvokeCallback(ctx, baseCtorCallbacks[i]); } } if (callbacks != null) { EmitInvokeCallback(ctx, callbacks.BeforeDeserialize); } ctx.StoreValue(storage); ctx.MarkLabel(afterNullCheck); } }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { using (ctx.StartDebugBlockAuto(this)) { Tail.EmitRead(ctx, valueFrom); ctx.CopyValue(); Compiler.CodeLabel @nonEmpty = ctx.DefineLabel(), @end = ctx.DefineLabel(); ctx.LoadValue(typeof(string).GetProperty("Length")); ctx.BranchIfTrue(@nonEmpty, true); ctx.DiscardValue(); ctx.LoadNullRef(); ctx.Branch(@end, true); ctx.MarkLabel(@nonEmpty); ctx.EmitCtor(expectedType, ctx.MapType(typeof(string))); ctx.MarkLabel(@end); } #endif }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom)) { if (Tail.RequiresOldValue) { ctx.LoadAddress(loc, ExpectedType); ctx.LoadValue(field); } // value is either now on the stack or not needed ctx.ReadNullCheckedTail(field.FieldType, Tail, null, overrideType); if (Tail.ReturnsValue) { var newType = overrideType != null ? overrideType : field.FieldType; using (Compiler.Local newVal = new Compiler.Local(ctx, newType)) { ctx.StoreValue(newVal); if (Helpers.IsValueType(field.FieldType)) { ctx.LoadAddress(loc, ExpectedType); ctx.LoadValue(newVal); ctx.StoreValue(field); } else { Compiler.CodeLabel allDone = ctx.DefineLabel(); ctx.LoadValue(newVal); ctx.BranchIfFalse(allDone, true); // interpret null as "don't assign" ctx.LoadAddress(loc, ExpectedType); ctx.LoadValue(newVal); if (overrideType != null) { ctx.Cast(field.FieldType); } ctx.StoreValue(field); ctx.MarkLabel(allDone); } } } } }
protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { using (ctx.StartDebugBlockAuto(this)) { Compiler.CodeLabel done = ctx.DefineLabel(); Compiler.CodeLabel onCancel = ctx.DefineLabel(); if (valueFrom.IsNullRef()) { ctx.CopyValue(); // on the stack Compiler.CodeLabel needToPop = ctx.DefineLabel(); EmitBranchIfDefaultValue(ctx, needToPop); // if != defaultValue { Tail.EmitWrite(ctx, null); ctx.Branch(done, true); } // else { ctx.MarkLabel(needToPop); ctx.DiscardValue(); // onCancel } } else { ctx.LoadValue(valueFrom); // variable/parameter EmitBranchIfDefaultValue(ctx, onCancel); // if != defaultValue { Tail.EmitWrite(ctx, valueFrom); ctx.Branch(done, true); } // else // onCancel } ctx.MarkLabel(onCancel); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod(nameof(ProtoWriter.WriteFieldHeaderCancelBegin))); ctx.MarkLabel(done); } }
private void EmitCreateIfNull(Compiler.CompilerContext ctx, Compiler.Local storage) { Helpers.DebugAssert(storage != null); if (!ExpectedType.IsValueType) { Compiler.CodeLabel afterNullCheck = ctx.DefineLabel(); ctx.LoadValue(storage); ctx.BranchIfTrue(afterNullCheck, false); ((IProtoTypeSerializer)this).EmitCreateInstance(ctx); if (callbacks != null) { EmitInvokeCallback(ctx, callbacks.BeforeDeserialize, true, null, forType); } ctx.StoreValue(storage); ctx.MarkLabel(afterNullCheck); } }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom)) { ctx.LoadAddress(loc, ExpectedType); if (Tail.RequiresOldValue) { ctx.CopyValue(); ctx.LoadValue(field); } // value is either now on the stack or not needed ctx.ReadNullCheckedTail(field.FieldType, Tail, null); if (Tail.ReturnsValue) { if (field.FieldType.IsValueType) { // stack is now the return value ctx.StoreValue(field); } else { Compiler.CodeLabel hasValue = ctx.DefineLabel(), allDone = ctx.DefineLabel(); ctx.CopyValue(); ctx.BranchIfTrue(hasValue, true); // interpret null as "don't assign" // no value, discard ctx.DiscardValue(); ctx.DiscardValue(); ctx.Branch(allDone, true); ctx.MarkLabel(hasValue); ctx.StoreValue(field); ctx.MarkLabel(allDone); } } else { ctx.DiscardValue(); } } }
protected override void EmitWrite(ProtoBuf.Compiler.CompilerContext ctx, ProtoBuf.Compiler.Local valueFrom) { // int i and T[] arr using (Compiler.Local arr = ctx.GetLocalWithValue(arrayType, valueFrom)) using (Compiler.Local i = new ProtoBuf.Compiler.Local(ctx, typeof(int))) { if (packedFieldNumber > 0) { Compiler.CodeLabel allDone = ctx.DefineLabel(); ctx.LoadLength(arr, false); ctx.BranchIfFalse(allDone, false); ctx.LoadValue(packedFieldNumber); ctx.LoadValue((int)WireType.String); ctx.LoadReaderWriter(); ctx.EmitCall(typeof(ProtoWriter).GetMethod("WriteFieldHeader")); ctx.LoadValue(arr); ctx.LoadReaderWriter(); ctx.EmitCall(typeof(ProtoWriter).GetMethod("StartSubItem")); using (Compiler.Local token = new Compiler.Local(ctx, typeof(SubItemToken))) { ctx.StoreValue(token); ctx.LoadValue(packedFieldNumber); ctx.LoadReaderWriter(); ctx.EmitCall(typeof(ProtoWriter).GetMethod("SetPackedField")); EmitWriteArrayLoop(ctx, i, arr); ctx.LoadValue(token); ctx.LoadReaderWriter(); ctx.EmitCall(typeof(ProtoWriter).GetMethod("EndSubItem")); } ctx.MarkLabel(allDone); } else { EmitWriteArrayLoop(ctx, i, arr); } } }
protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { Compiler.CodeLabel done = ctx.DefineLabel(); if (valueFrom == null) { ctx.CopyValue(); // on the stack Compiler.CodeLabel needToPop = ctx.DefineLabel(); EmitBranchIfDefaultValue(ctx, needToPop); Tail.EmitWrite(ctx, null); ctx.Branch(done, true); ctx.MarkLabel(needToPop); ctx.DiscardValue(); } else { ctx.LoadValue(valueFrom); // variable/parameter EmitBranchIfDefaultValue(ctx, done); Tail.EmitWrite(ctx, valueFrom); } ctx.MarkLabel(done); }
protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { using (Compiler.Local valOrNull = ctx.GetLocalWithValue(expectedType, valueFrom)) using (Compiler.Local token = new Compiler.Local(ctx, ctx.MapType(typeof(SubItemToken)))) { ctx.LoadNullRef(); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("StartSubItem")); ctx.StoreValue(token); if (expectedType.IsValueType) { ctx.LoadAddress(valOrNull, expectedType); ctx.LoadValue(expectedType.GetProperty("HasValue")); } else { ctx.LoadValue(valOrNull); } Compiler.CodeLabel @end = ctx.DefineLabel(); ctx.BranchIfFalse(@end, false); if (expectedType.IsValueType) { ctx.LoadAddress(valOrNull, expectedType); ctx.EmitCall(expectedType.GetMethod("GetValueOrDefault", Helpers.EmptyTypes)); } else { ctx.LoadValue(valOrNull); } Tail.EmitWrite(ctx, null); ctx.MarkLabel(@end); ctx.LoadValue(token); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("EndSubItem")); } }
private void EmitBeq(Compiler.CompilerContext ctx, Compiler.CodeLabel label, Type type) { switch (Helpers.GetTypeCode(type)) { case ProtoTypeCode.Boolean: case ProtoTypeCode.Byte: case ProtoTypeCode.Char: case ProtoTypeCode.Double: case ProtoTypeCode.Int16: case ProtoTypeCode.Int32: case ProtoTypeCode.Int64: case ProtoTypeCode.SByte: case ProtoTypeCode.Single: case ProtoTypeCode.UInt16: case ProtoTypeCode.UInt32: case ProtoTypeCode.UInt64: ctx.BranchIfEqual(label, false); break; default: #if COREFX MethodInfo method = type.GetMethod("op_Equality", new Type[] { type, type }); if (method == null || !method.IsPublic || !method.IsStatic) { method = null; } #else MethodInfo method = type.GetMethod("op_Equality", BindingFlags.Public | BindingFlags.Static, null, new Type[] { type, type }, null); #endif if (method == null || method.ReturnType != ctx.MapType(typeof(bool))) { throw new InvalidOperationException("No suitable equality operator found for default-values of type: " + type.FullName); } ctx.EmitCall(method); ctx.BranchIfTrue(label, false); break; } }
void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { using (ctx.StartDebugBlockAuto(this)) { ProtoTypeCode typeCode = GetTypeCode(); if (_map == null) { ctx.LoadValue(valueFrom); ctx.ConvertToInt32(typeCode, false); ctx.EmitBasicWrite("WriteInt32", null); } else { using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom)) { Compiler.CodeLabel @continue = ctx.DefineLabel(); for (int i = 0; i < _map.Length; i++) { Compiler.CodeLabel tryNextValue = ctx.DefineLabel(), processThisValue = ctx.DefineLabel(); ctx.LoadValue(loc); WriteEnumValue(ctx, typeCode, _map[i].RawValue); ctx.BranchIfEqual(processThisValue, true); ctx.Branch(tryNextValue, true); ctx.MarkLabel(processThisValue); ctx.LoadValue(_map[i].WireValue); ctx.EmitBasicWrite("WriteInt32", null); ctx.Branch(@continue, false); ctx.MarkLabel(tryNextValue); } ctx.LoadReaderWriter(); ctx.LoadValue(loc); ctx.CastToObject(ExpectedType); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("ThrowEnumException")); ctx.MarkLabel(@continue); } } } }
private void WriteFieldHandler( Compiler.CompilerContext ctx, Type expected, Compiler.Local loc, Compiler.CodeLabel handler, Compiler.CodeLabel @continue, IProtoSerializer serializer) { ctx.MarkLabel(handler); if (serializer.ExpectedType == forType) { EmitCreateIfNull(ctx, expected, loc); serializer.EmitRead(ctx, loc); } else { ctx.LoadValue(loc); ctx.Cast(serializer.ExpectedType); serializer.EmitRead(ctx, null); } if (serializer.ReturnsValue) { // update the variable ctx.StoreValue(loc); } ctx.Branch(@continue, false); // "continue" }
protected override void EmitRead(ProtoBuf.Compiler.CompilerContext ctx, ProtoBuf.Compiler.Local valueFrom) { Type listType; #if NO_GENERICS listType = typeof(BasicList); #else listType = ctx.MapType(typeof(System.Collections.Generic.List <>)).MakeGenericType(itemType); #endif using (Compiler.Local oldArr = AppendToCollection ? ctx.GetLocalWithValue(ExpectedType, valueFrom) : null) using (Compiler.Local newArr = new Compiler.Local(ctx, ExpectedType)) using (Compiler.Local list = new Compiler.Local(ctx, listType)) { ctx.EmitCtor(listType); ctx.StoreValue(list); ListDecorator.EmitReadList(ctx, list, Tail, listType.GetMethod("Add"), packedWireType, false); // leave this "using" here, as it can share the "FieldNumber" local with EmitReadList using (Compiler.Local oldLen = AppendToCollection ? new ProtoBuf.Compiler.Local(ctx, ctx.MapType(typeof(int))) : null) { Type[] copyToArrayInt32Args = new Type[] { ctx.MapType(typeof(Array)), ctx.MapType(typeof(int)) }; if (AppendToCollection) { ctx.LoadLength(oldArr, true); ctx.CopyValue(); ctx.StoreValue(oldLen); ctx.LoadAddress(list, listType); ctx.LoadValue(listType.GetProperty("Count")); ctx.Add(); ctx.CreateArray(itemType, null); // length is on the stack ctx.StoreValue(newArr); ctx.LoadValue(oldLen); Compiler.CodeLabel nothingToCopy = ctx.DefineLabel(); ctx.BranchIfFalse(nothingToCopy, true); ctx.LoadValue(oldArr); ctx.LoadValue(newArr); ctx.LoadValue(0); // index in target ctx.EmitCall(ExpectedType.GetMethod("CopyTo", copyToArrayInt32Args)); ctx.MarkLabel(nothingToCopy); ctx.LoadValue(list); ctx.LoadValue(newArr); ctx.LoadValue(oldLen); } else { ctx.LoadAddress(list, listType); ctx.LoadValue(listType.GetProperty("Count")); ctx.CreateArray(itemType, null); ctx.StoreValue(newArr); ctx.LoadAddress(list, listType); ctx.LoadValue(newArr); ctx.LoadValue(0); } copyToArrayInt32Args[0] = ExpectedType; // // prefer: CopyTo(T[], int) MethodInfo copyTo = listType.GetMethod("CopyTo", copyToArrayInt32Args); if (copyTo == null) { // fallback: CopyTo(Array, int) copyToArrayInt32Args[1] = ctx.MapType(typeof(Array)); copyTo = listType.GetMethod("CopyTo", copyToArrayInt32Args); } ctx.EmitCall(copyTo); } ctx.LoadValue(newArr); } }
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { TypeCode typeCode = GetTypeCode(); if (map == null) { ctx.EmitBasicRead("ReadInt32", typeof(int)); ctx.ConvertFromInt32(typeCode); } else { int[] wireValues = new int[map.Length]; object[] values = new object[map.Length]; for (int i = 0; i < map.Length; i++) { wireValues[i] = map[i].WireValue; values[i] = map[i].Value; } using (Compiler.Local result = new Compiler.Local(ctx, ExpectedType)) using (Compiler.Local wireValue = new Compiler.Local(ctx, typeof(int))) { ctx.EmitBasicRead("ReadInt32", typeof(int)); ctx.StoreValue(wireValue); Compiler.CodeLabel @continue = ctx.DefineLabel(); foreach (BasicList.Group group in BasicList.GetContiguousGroups(wireValues, values)) { Compiler.CodeLabel tryNextGroup = ctx.DefineLabel(); int groupItemCount = group.Items.Count; if (groupItemCount == 1) { // discreet group; use an equality test ctx.LoadValue(wireValue); ctx.LoadValue(group.First); Compiler.CodeLabel processThisValue = ctx.DefineLabel(); ctx.BranchIfEqual(processThisValue, true); ctx.Branch(tryNextGroup, false); WriteEnumValue(ctx, typeCode, processThisValue, @continue, group.Items[0], @result); } else { // implement as a jump-table-based switch ctx.LoadValue(wireValue); ctx.LoadValue(group.First); ctx.Subtract(); // jump-tables are zero-based Compiler.CodeLabel[] jmp = new Compiler.CodeLabel[groupItemCount]; for (int i = 0; i < groupItemCount; i++) { jmp[i] = ctx.DefineLabel(); } ctx.Switch(jmp); // write the default... ctx.Branch(tryNextGroup, false); for (int i = 0; i < groupItemCount; i++) { WriteEnumValue(ctx, typeCode, jmp[i], @continue, group.Items[i], @result); } } ctx.MarkLabel(tryNextGroup); } // throw source.CreateEnumException(ExpectedType, wireValue); ctx.LoadReaderWriter(); ctx.LoadValue(ExpectedType); ctx.LoadValue(wireValue); ctx.EmitCall(typeof(ProtoReader).GetMethod("ThrowEnumException")); ctx.MarkLabel(@continue); ctx.LoadValue(result); } } }
private void WriteFieldHandler( Compiler.CompilerContext ctx, Type expected, Compiler.Local loc, Compiler.CodeLabel handler, Compiler.CodeLabel @continue, IProtoSerializer serializer) { ctx.MarkLabel(handler); Type serType = serializer.ExpectedType; if (serType == ExpectedType) { EmitCreateIfNull(ctx, loc); serializer.EmitRead(ctx, loc); } else { //RuntimeTypeModel rtm = (RuntimeTypeModel)ctx.Model; if (((IProtoTypeSerializer)serializer).CanCreateInstance()) { Compiler.CodeLabel allDone = ctx.DefineLabel(); ctx.LoadValue(loc); ctx.BranchIfFalse(allDone, false); // null is always ok ctx.LoadValue(loc); ctx.TryCast(serType); ctx.BranchIfTrue(allDone, false); // not null, but of the correct type // otherwise, need to convert it ctx.LoadReader(false); ctx.LoadValue(loc); ((IProtoTypeSerializer)serializer).EmitCreateInstance(ctx); ctx.EmitCall(typeof(ProtoReader).GetMethod("Merge", new[] { typeof(ProtoReader), typeof(object), typeof(object) })); ctx.Cast(expected); ctx.StoreValue(loc); // Merge always returns a value // nothing needs doing ctx.MarkLabel(allDone); } if (Helpers.IsValueType(serType)) { Compiler.CodeLabel initValue = ctx.DefineLabel(); Compiler.CodeLabel hasValue = ctx.DefineLabel(); using (Compiler.Local emptyValue = new Compiler.Local(ctx, serType)) { ctx.LoadValue(loc); ctx.BranchIfFalse(initValue, false); ctx.LoadValue(loc); ctx.CastFromObject(serType); ctx.Branch(hasValue, false); ctx.MarkLabel(initValue); ctx.InitLocal(serType, emptyValue); ctx.LoadValue(emptyValue); ctx.MarkLabel(hasValue); } } else { ctx.LoadValue(loc); ctx.Cast(serType); } serializer.EmitRead(ctx, null); } if (serializer.ReturnsValue) { // update the variable if (Helpers.IsValueType(serType)) { // but box it first in case of value type ctx.CastToObject(serType); } ctx.StoreValue(loc); } ctx.Branch(@continue, false); // "continue" }
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { Type expected = ExpectedType; Helpers.DebugAssert(valueFrom != null); using (Compiler.Local loc = ctx.GetLocalWithValue(expected, valueFrom)) using (Compiler.Local fieldNumber = new Compiler.Local(ctx, ctx.MapType(typeof(int)))) { // pre-callbacks if (HasCallbacks(TypeModel.CallbackType.BeforeDeserialize)) { if (ExpectedType.IsValueType) { EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.BeforeDeserialize); } else { // could be null Compiler.CodeLabel callbacksDone = ctx.DefineLabel(); ctx.LoadValue(loc); ctx.BranchIfFalse(callbacksDone, false); EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.BeforeDeserialize); ctx.MarkLabel(callbacksDone); } } Compiler.CodeLabel @continue = ctx.DefineLabel(), processField = ctx.DefineLabel(); ctx.Branch(@continue, false); ctx.MarkLabel(processField); foreach (BasicList.Group group in BasicList.GetContiguousGroups(fieldNumbers, serializers)) { Compiler.CodeLabel tryNextField = ctx.DefineLabel(); int groupItemCount = group.Items.Count; if (groupItemCount == 1) { // discreet group; use an equality test ctx.LoadValue(fieldNumber); ctx.LoadValue(group.First); Compiler.CodeLabel processThisField = ctx.DefineLabel(); ctx.BranchIfEqual(processThisField, true); ctx.Branch(tryNextField, false); WriteFieldHandler(ctx, expected, loc, processThisField, @continue, (IProtoSerializer)group.Items[0]); } else { // implement as a jump-table-based switch ctx.LoadValue(fieldNumber); ctx.LoadValue(group.First); ctx.Subtract(); // jump-tables are zero-based Compiler.CodeLabel[] jmp = new Compiler.CodeLabel[groupItemCount]; for (int i = 0; i < groupItemCount; i++) { jmp[i] = ctx.DefineLabel(); } ctx.Switch(jmp); // write the default... ctx.Branch(tryNextField, false); for (int i = 0; i < groupItemCount; i++) { WriteFieldHandler(ctx, expected, loc, jmp[i], @continue, (IProtoSerializer)group.Items[i]); } } ctx.MarkLabel(tryNextField); } EmitCreateIfNull(ctx, loc); ctx.LoadReaderWriter(); if (isExtensible) { ctx.LoadValue(loc); ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("AppendExtensionData")); } else { ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("SkipField")); } ctx.MarkLabel(@continue); ctx.EmitBasicRead("ReadFieldHeader", ctx.MapType(typeof(int))); ctx.CopyValue(); ctx.StoreValue(fieldNumber); ctx.LoadValue(0); ctx.BranchIfGreater(processField, false); EmitCreateIfNull(ctx, loc); // post-callbacks EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.AfterDeserialize); if (valueFrom != null && !loc.IsSame(valueFrom)) { ctx.LoadValue(loc); ctx.Cast(valueFrom.Type); ctx.StoreValue(valueFrom); } } }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { bool writeValue; SanityCheck(ctx.Model, property, Tail, out writeValue, ctx.NonPublic, ctx.AllowInternal(property)); if (ExpectedType.IsValueType && valueFrom == null) { throw new InvalidOperationException("Attempt to mutate struct on the head of the stack; changes would be lost"); } ctx.LoadAddress(valueFrom, ExpectedType); // stack is: old-addr if (writeValue && Tail.RequiresOldValue) { // need to read and write ctx.CopyValue(); } // stack is: [old-addr]|old-addr if (Tail.RequiresOldValue) { ctx.LoadValue(property); // stack is: [old-addr]|old-value } Type propertyType = property.PropertyType; ctx.ReadNullCheckedTail(propertyType, Tail, null); // stack is [old-addr]|[new-value] if (writeValue) { // stack is old-addr|new-value Compiler.CodeLabel @skip = new Compiler.CodeLabel(), allDone = new Compiler.CodeLabel(); // <=== default structs if (!propertyType.IsValueType) { // if the tail returns a null, intepret that as *no assign* ctx.CopyValue(); // old-addr|new-value|new-value @skip = ctx.DefineLabel(); allDone = ctx.DefineLabel(); ctx.BranchIfFalse(@skip, true); // old-addr|new-value } if (shadowSetter == null) { ctx.StoreValue(property); } else { ctx.EmitCall(shadowSetter); } if (!propertyType.IsValueType) { ctx.Branch(allDone, true); ctx.MarkLabel(@skip); // old-addr|new-value ctx.DiscardValue(); ctx.DiscardValue(); ctx.MarkLabel(allDone); } } else { // don't want return value; drop it if anything there // stack is [new-value] if (Tail.ReturnsValue) { ctx.DiscardValue(); } } }
protected override void EmitRead(ProtoBuf.Compiler.CompilerContext ctx, ProtoBuf.Compiler.Local valueFrom) { /* This looks more complex than it is. Look at the non-compiled Read to * see what it is trying to do, but note that it needs to cope with a * few more scenarios. Note that it picks the **most specific** Add, * unlike the runtime version that uses IList when possible. The core * is just a "do {list.Add(readValue())} while {thereIsMore}" * * The complexity is due to: * - value types vs reference types (boxing etc) * - initialization if we need to pass in a value to the tail * - handling whether or not the tail *returns* the value vs updates the input */ bool returnList = ReturnList; using (Compiler.Local list = AppendToCollection ? ctx.GetLocalWithValue(ExpectedType, valueFrom) : new Compiler.Local(ctx, declaredType)) using (Compiler.Local origlist = (returnList && AppendToCollection) ? new Compiler.Local(ctx, ExpectedType) : null) { if (!AppendToCollection) { // always new ctx.LoadNullRef(); ctx.StoreValue(list); } else if (returnList) { // need a copy ctx.LoadValue(list); ctx.StoreValue(origlist); } if (concreteType != null) { ctx.LoadValue(list); Compiler.CodeLabel notNull = ctx.DefineLabel(); ctx.BranchIfTrue(notNull, true); ctx.EmitCtor(concreteType); ctx.StoreValue(list); ctx.MarkLabel(notNull); } bool castListForAdd = !add.DeclaringType.IsAssignableFrom(declaredType); EmitReadList(ctx, list, Tail, add, packedWireType, castListForAdd); if (returnList) { if (AppendToCollection) { // remember ^^^^ we had a spare copy of the list on the stack; now we'll compare ctx.LoadValue(origlist); ctx.LoadValue(list); // [orig] [new-value] Compiler.CodeLabel sameList = ctx.DefineLabel(), allDone = ctx.DefineLabel(); ctx.BranchIfEqual(sameList, true); ctx.LoadValue(list); ctx.Branch(allDone, true); ctx.MarkLabel(sameList); ctx.LoadNullRef(); ctx.MarkLabel(allDone); } else { ctx.LoadValue(list); } } } }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { bool writeValue; SanityCheck(ctx.Model, property, Tail, out writeValue, ctx.NonPublic, ctx.AllowInternal(property)); if (ExpectedType.IsValueType && valueFrom == null) { throw new InvalidOperationException("Attempt to mutate struct on the head of the stack; changes would be lost"); } ctx.LoadAddress(valueFrom, ExpectedType); // stack is: old-addr if (writeValue && Tail.RequiresOldValue) { // need to read and write ctx.CopyValue(); } // stack is: [old-addr]|old-addr if (Tail.RequiresOldValue) { ctx.LoadValue(property); // stack is: [old-addr]|old-value } Type propertyType = property.PropertyType; ctx.ReadNullCheckedTail(propertyType, Tail, null); // stack is [old-addr]|[new-value] if (writeValue) { // stack is old-addr|new-value Compiler.CodeLabel @skip = new Compiler.CodeLabel(), allDone = new Compiler.CodeLabel(); // <=== default structs if (!propertyType.IsValueType) { // if the tail returns a null, intepret that as *no assign* ctx.CopyValue(); // old-addr|new-value|new-value @skip = ctx.DefineLabel(); allDone = ctx.DefineLabel(); ctx.BranchIfFalse(@skip, true); // old-addr|new-value } if (shadowSetter == null) { ctx.StoreValue(property); } else { ctx.EmitCall(shadowSetter); } if (!propertyType.IsValueType) { ctx.Branch(allDone, true); ctx.MarkLabel(@skip); // old-addr|new-value ctx.DiscardValue(); ctx.DiscardValue(); ctx.MarkLabel(allDone); } } else { // don't want return value; drop it if anything there // stack is [new-value] if (Tail.ReturnsValue) { ctx.DiscardValue(); } } }
private Compiler.CompilerContext WriteSerializeDeserialize(string assemblyName, TypeBuilder type, SerializerPair[] methodPairs, Compiler.CompilerContext.ILVersion ilVersion, ref ILGenerator il) { il = Override(type, "Serialize"); Compiler.CompilerContext ctx = new Compiler.CompilerContext(il, false, true, methodPairs, this, ilVersion, assemblyName, MapType(typeof(object))); // arg0 = this, arg1 = key, arg2=obj, arg3=dest Compiler.CodeLabel[] jumpTable = new Compiler.CodeLabel[types.Count]; for (int i = 0; i < jumpTable.Length; i++) { jumpTable[i] = ctx.DefineLabel(); } il.Emit(OpCodes.Ldarg_1); ctx.Switch(jumpTable); ctx.Return(); for (int i = 0; i < jumpTable.Length; i++) { SerializerPair pair = methodPairs[i]; ctx.MarkLabel(jumpTable[i]); il.Emit(OpCodes.Ldarg_2); ctx.CastFromObject(pair.Type.Type); il.Emit(OpCodes.Ldarg_3); il.EmitCall(OpCodes.Call, pair.Serialize, null); ctx.Return(); } il = Override(type, "Deserialize"); ctx = new Compiler.CompilerContext(il, false, false, methodPairs, this, ilVersion, assemblyName, MapType(typeof(object))); // arg0 = this, arg1 = key, arg2=obj, arg3=source for (int i = 0; i < jumpTable.Length; i++) { jumpTable[i] = ctx.DefineLabel(); } il.Emit(OpCodes.Ldarg_1); ctx.Switch(jumpTable); ctx.LoadNullRef(); ctx.Return(); for (int i = 0; i < jumpTable.Length; i++) { SerializerPair pair = methodPairs[i]; ctx.MarkLabel(jumpTable[i]); Type keyType = pair.Type.Type; if (keyType.IsValueType) { il.Emit(OpCodes.Ldarg_2); il.Emit(OpCodes.Ldarg_3); il.EmitCall(OpCodes.Call, EmitBoxedSerializer(type, i, keyType, methodPairs, this, ilVersion, assemblyName), null); ctx.Return(); } else { il.Emit(OpCodes.Ldarg_2); ctx.CastFromObject(keyType); il.Emit(OpCodes.Ldarg_3); il.EmitCall(OpCodes.Call, pair.Deserialize, null); ctx.Return(); } } return ctx; }
public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local incoming) { bool issueReferenceDirectives = !baseTupleAsReference && asReference; Compiler.CodeLabel @end = ctx.DefineLabel(); using (Compiler.Local tupleKey = new Compiler.Local(ctx, typeof(int))) using (Compiler.Local oldTuple = new Compiler.Local(ctx, typeof(object))) using (Compiler.Local objValue = ctx.GetLocalWithValue(ExpectedType, incoming)) { Compiler.Local[] locals = new Compiler.Local[members.Length]; try { if (issueReferenceDirectives) { //int tupleKey = 0; ctx.LoadValue(0); ctx.StoreValue(tupleKey); //object oldTuple = null; ctx.LoadNullRef(); ctx.StoreValue(oldTuple); //tupleKey = (int)source.ReadUInt32(); ctx.LoadReaderWriter(); ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadUInt32")); //ctx.CastToObject(typeof (int)); ctx.StoreValue(tupleKey); Compiler.CodeLabel @objectNotFound = ctx.DefineLabel(); ctx.LoadValue(tupleKey); ctx.LoadValue(0); ctx.BranchIfEqual(@objectNotFound, true); //// return source.NetCache.GetKeyedObject(tupleKey); ctx.LoadReaderWriter(); ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache")); ctx.LoadValue(tupleKey); ctx.EmitCall(typeof (NetObjectCache).GetMethod("GetKeyedObject")); ctx.CastFromObject(ExpectedType); ctx.StoreValue(objValue); ctx.Branch(@end, false); ctx.MarkLabel(@objectNotFound); ctx.EmitCtor(typeof (object)); ctx.StoreValue(oldTuple); // tupleKey = source.NetCache.AddObjectKey(oldTuple, out dummy); using (Compiler.Local dummy = new Compiler.Local(ctx, typeof (bool))) { ctx.LoadReaderWriter(); ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache")); ctx.LoadValue(oldTuple); ctx.LoadAddress(dummy, typeof (bool)); ctx.EmitCall(typeof (NetObjectCache).GetMethod("AddObjectKey", new Type[] { typeof(object), typeof(bool).MakeByRefType() })); ctx.StoreValue(tupleKey); } } for (int i = 0; i < locals.Length; i++) { Type type = GetMemberType(i); bool store = true; locals[i] = new Compiler.Local(ctx, type); if (!ExpectedType.IsValueType) { // value-types always read the old value if (type.IsValueType) { switch (Helpers.GetTypeCode(type)) { case ProtoTypeCode.Boolean: case ProtoTypeCode.Byte: case ProtoTypeCode.Int16: case ProtoTypeCode.Int32: case ProtoTypeCode.SByte: case ProtoTypeCode.UInt16: case ProtoTypeCode.UInt32: ctx.LoadValue(0); break; case ProtoTypeCode.Int64: case ProtoTypeCode.UInt64: ctx.LoadValue(0L); break; case ProtoTypeCode.Single: ctx.LoadValue(0.0F); break; case ProtoTypeCode.Double: ctx.LoadValue(0.0D); break; case ProtoTypeCode.Decimal: ctx.LoadValue(0M); break; case ProtoTypeCode.Guid: ctx.LoadValue(Guid.Empty); break; default: ctx.LoadAddress(locals[i], type); ctx.EmitCtor(type); store = false; break; } } else { ctx.LoadNullRef(); } if (store) { ctx.StoreValue(locals[i]); } } } Compiler.CodeLabel skipOld = ExpectedType.IsValueType ? new Compiler.CodeLabel() : ctx.DefineLabel(); if (!ExpectedType.IsValueType) { ctx.LoadAddress(objValue, ExpectedType); ctx.BranchIfFalse(skipOld, false); } for (int i = 0; i < members.Length; i++) { ctx.LoadAddress(objValue, ExpectedType); switch (members[i].MemberType) { case MemberTypes.Field: ctx.LoadValue((FieldInfo) members[i]); break; case MemberTypes.Property: ctx.LoadValue((PropertyInfo) members[i]); break; } ctx.StoreValue(locals[i]); } if (!ExpectedType.IsValueType) ctx.MarkLabel(skipOld); using (Compiler.Local fieldNumber = new Compiler.Local(ctx, typeof (int))) using (Compiler.Local j = new Compiler.Local(ctx, typeof (int))) { // j = 0 ctx.LoadValue(0); ctx.StoreValue(j); Compiler.CodeLabel @continue = ctx.DefineLabel(), processField = ctx.DefineLabel(), notRecognised = ctx.DefineLabel(), @endWhileLoop = ctx.DefineLabel(); ctx.Branch(@continue, false); Compiler.CodeLabel[] handlers = new Compiler.CodeLabel[members.Length]; for (int i = 0; i < members.Length; i++) { handlers[i] = ctx.DefineLabel(); } ctx.MarkLabel(processField); ctx.LoadValue(fieldNumber); ctx.LoadValue(1); ctx.Subtract(); // jump-table is zero-based ctx.Switch(handlers); // and the default: ctx.Branch(notRecognised, false); for (int i = 0; i < handlers.Length; i++) { ctx.MarkLabel(handlers[i]); IProtoSerializer tail = tails[i]; Compiler.Local oldValIfNeeded = tail.RequiresOldValue ? locals[i] : null; ctx.ReadNullCheckedTail(locals[i].Type, tail, oldValIfNeeded); if (tail.ReturnsValue) { if (locals[i].Type.IsValueType) { ctx.StoreValue(locals[i]); } else { Compiler.CodeLabel hasValue = ctx.DefineLabel(), allDone = ctx.DefineLabel(); ctx.CopyValue(); ctx.BranchIfTrue(hasValue, true); // interpret null as "don't assign" ctx.DiscardValue(); ctx.Branch(allDone, true); ctx.MarkLabel(hasValue); ctx.StoreValue(locals[i]); ctx.MarkLabel(allDone); } } ctx.Branch(@continue, false); } ctx.MarkLabel(notRecognised); ctx.LoadReaderWriter(); ctx.EmitCall(typeof (ProtoReader).GetMethod("SkipField")); ctx.MarkLabel(@continue); // j < values.Length ctx.LoadValue(j); ctx.LoadValue(members.Length); ctx.BranchIfGreaterOrEqual(@endWhileLoop, false); //j++ ctx.LoadValue(j); ctx.LoadValue(1); ctx.Add(); ctx.StoreValue(j); // source.ReadNextFieldHack() > 0 ctx.LoadReaderWriter(); ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadNextFieldHack")); ctx.LoadValue(0); ctx.BranchIfLessOrEqual(@endWhileLoop, true); // field = source.ReadFieldHeader(); ctx.LoadReaderWriter(); ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadFieldHeader")); ctx.StoreValue(fieldNumber); ctx.Branch(processField, false); ctx.MarkLabel(@endWhileLoop); } for (int i = 0; i < locals.Length; i++) { ctx.LoadValue(locals[i]); } ctx.EmitCtor(ctor); ctx.StoreValue(objValue); if (issueReferenceDirectives) { //source.NetCache.UpdateKeyedObject(tupleKey, oldTuple, result); ctx.LoadReaderWriter(); ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache")); ctx.LoadValue(tupleKey); ctx.LoadValue(oldTuple); ctx.LoadValue(objValue); ctx.CastToObject(ExpectedType); ctx.EmitCall(typeof (NetObjectCache).GetMethod("UpdateKeyedObject")); } if (forceIssueFakeHeader) { //source.ReadEndGroupFieldHeaderHack(); ctx.LoadReaderWriter(); ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadEndGroupFieldHeaderHack")); } ctx.MarkLabel(@end); ctx.LoadValue(objValue); } finally { for (int i = 0; i < locals.Length; i++) { if (locals[i] != null) locals[i].Dispose(); // release for re-use } } } }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { using (Compiler.Local oldValue = ctx.GetLocalWithValue(expectedType, valueFrom)) using (Compiler.Local token = new Compiler.Local(ctx, ctx.MapType(typeof(SubItemToken)))) using (Compiler.Local field = new Compiler.Local(ctx, ctx.MapType(typeof(int)))) { ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("StartSubItem")); ctx.StoreValue(token); Compiler.CodeLabel next = ctx.DefineLabel(), processField = ctx.DefineLabel(), end = ctx.DefineLabel(); ctx.MarkLabel(next); ctx.EmitBasicRead("ReadFieldHeader", ctx.MapType(typeof(int))); ctx.CopyValue(); ctx.StoreValue(field); ctx.LoadValue(Tag); // = 1 - process ctx.BranchIfEqual(processField, true); ctx.LoadValue(field); ctx.LoadValue(1); // < 1 - exit ctx.BranchIfLess(end, false); // default: skip ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("SkipField")); ctx.Branch(next, true); // process ctx.MarkLabel(processField); if (Tail.RequiresOldValue) { if (expectedType.IsValueType) { ctx.LoadAddress(oldValue, expectedType); ctx.EmitCall(expectedType.GetMethod("GetValueOrDefault", Helpers.EmptyTypes)); } else { ctx.LoadValue(oldValue); } } Tail.EmitRead(ctx, null); // note we demanded always returns a value if (expectedType.IsValueType) { ctx.EmitCtor(expectedType, Tail.ExpectedType); // re-nullable<T> it } ctx.StoreValue(oldValue); ctx.Branch(next, false); // outro ctx.MarkLabel(end); ctx.LoadValue(token); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("EndSubItem")); ctx.LoadValue(oldValue); // load the old value } }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { SanityCheck(property, Tail, out bool writeValue, ctx.NonPublic, ctx.AllowInternal(property)); if (ExpectedType.IsValueType && valueFrom is null) { throw new InvalidOperationException("Attempt to mutate struct on the head of the stack; changes would be lost"); } using Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom); if (Tail.RequiresOldValue) { ctx.LoadAddress(loc, ExpectedType); // stack is: old-addr ctx.LoadValue(property); // stack is: old-value } Type propertyType = property.PropertyType; ctx.ReadNullCheckedTail(propertyType, Tail, null); // stack is [new-value] if (writeValue) { var localType = ChooseReadLocalType(property.PropertyType, Tail.ExpectedType); using Compiler.Local newVal = new Compiler.Local(ctx, localType); ctx.StoreValue(newVal); // stack is empty Compiler.CodeLabel allDone = new Compiler.CodeLabel(); // <=== default structs if (!localType.IsValueType) { // if the tail returns a null, intepret that as *no assign* allDone = ctx.DefineLabel(); ctx.LoadValue(newVal); // stack is: new-value ctx.BranchIfFalse(@allDone, true); // stack is empty } // assign the value ctx.LoadAddress(loc, ExpectedType); // parent-addr ctx.LoadValue(newVal); // parent-obj|new-value // cast if needed (this is mostly for ReadMap/ReadRepeated) if (!property.PropertyType.IsValueType && !localType.IsValueType && !property.PropertyType.IsAssignableFrom(localType)) { ctx.Cast(property.PropertyType); } if (shadowSetter is null) { ctx.StoreValue(property); // empty } else { ctx.EmitCall(shadowSetter); // empty } if (!propertyType.IsValueType) { ctx.MarkLabel(allDone); } } else { // don't want return value; drop it if anything there // stack is [new-value] if (Tail.ReturnsValue) { ctx.DiscardValue(); } } }
protected override void EmitWrite(CompilerContext ctx, Local valueFrom) { Type itemType = typeof(KeyValuePair <TKey, TValue>); MethodInfo moveNext, current, getEnumerator = ListDecorator.GetEnumeratorInfo( ExpectedType, itemType, out moveNext, out current); Type enumeratorType = getEnumerator.ReturnType; MethodInfo key = itemType.GetProperty(nameof(KeyValuePair <TKey, TValue> .Key)).GetGetMethod(), @value = itemType.GetProperty(nameof(KeyValuePair <TKey, TValue> .Value)).GetGetMethod(); using (Compiler.Local list = ctx.GetLocalWithValue(ExpectedType, valueFrom)) using (Compiler.Local iter = new Compiler.Local(ctx, enumeratorType)) using (Compiler.Local token = new Compiler.Local(ctx, typeof(SubItemToken))) using (Compiler.Local kvp = new Compiler.Local(ctx, itemType)) { ctx.LoadAddress(list, ExpectedType); ctx.EmitCall(getEnumerator, ExpectedType); ctx.StoreValue(iter); using (ctx.Using(iter)) { Compiler.CodeLabel body = ctx.DefineLabel(), next = ctx.DefineLabel(); ctx.Branch(next, false); ctx.MarkLabel(body); ctx.LoadAddress(iter, enumeratorType); ctx.EmitCall(current, enumeratorType); if (itemType != typeof(object) && current.ReturnType == typeof(object)) { ctx.CastFromObject(itemType); } ctx.StoreValue(kvp); ctx.LoadValue(fieldNumber); ctx.LoadValue((int)wireType); ctx.LoadWriter(true); ctx.EmitCall(ProtoWriter.GetStaticMethod("WriteFieldHeader")); ctx.LoadNullRef(); ctx.LoadWriter(true); ctx.EmitCall(ProtoWriter.GetStaticMethod("StartSubItem")); ctx.StoreValue(token); ctx.LoadAddress(kvp, itemType); ctx.EmitCall(key, itemType); ctx.WriteNullCheckedTail(typeof(TKey), keyTail, null); ctx.LoadAddress(kvp, itemType); ctx.EmitCall(value, itemType); ctx.WriteNullCheckedTail(typeof(TValue), Tail, null); ctx.LoadValue(token); ctx.LoadWriter(true); ctx.EmitCall(ProtoWriter.GetStaticMethod("EndSubItem")); ctx.MarkLabel(@next); ctx.LoadAddress(iter, enumeratorType); ctx.EmitCall(moveNext, enumeratorType); ctx.BranchIfTrue(body, false); } } }
private void EmitBranchIfDefaultValue(Compiler.CompilerContext ctx, Compiler.CodeLabel label) { Type expected = ExpectedType; switch (Helpers.GetTypeCode(expected)) { case ProtoTypeCode.Boolean: if ((bool)defaultValue) { ctx.BranchIfTrue(label, false); } else { ctx.BranchIfFalse(label, false); } break; case ProtoTypeCode.Byte: if ((byte)defaultValue == (byte)0) { ctx.BranchIfFalse(label, false); } else { ctx.LoadValue((int)(byte)defaultValue); EmitBeq(ctx, label, expected); } break; case ProtoTypeCode.SByte: if ((sbyte)defaultValue == (sbyte)0) { ctx.BranchIfFalse(label, false); } else { ctx.LoadValue((int)(sbyte)defaultValue); EmitBeq(ctx, label, expected); } break; case ProtoTypeCode.Int16: if ((short)defaultValue == (short)0) { ctx.BranchIfFalse(label, false); } else { ctx.LoadValue((int)(short)defaultValue); EmitBeq(ctx, label, expected); } break; case ProtoTypeCode.UInt16: if ((ushort)defaultValue == (ushort)0) { ctx.BranchIfFalse(label, false); } else { ctx.LoadValue((int)(ushort)defaultValue); EmitBeq(ctx, label, expected); } break; case ProtoTypeCode.Int32: if ((int)defaultValue == (int)0) { ctx.BranchIfFalse(label, false); } else { ctx.LoadValue((int)defaultValue); EmitBeq(ctx, label, expected); } break; case ProtoTypeCode.UInt32: if ((uint)defaultValue == (uint)0) { ctx.BranchIfFalse(label, false); } else { ctx.LoadValue((int)(uint)defaultValue); EmitBeq(ctx, label, expected); } break; case ProtoTypeCode.Char: if ((char)defaultValue == (char)0) { ctx.BranchIfFalse(label, false); } else { ctx.LoadValue((int)(char)defaultValue); EmitBeq(ctx, label, expected); } break; case ProtoTypeCode.Int64: ctx.LoadValue((long)defaultValue); EmitBeq(ctx, label, expected); break; case ProtoTypeCode.UInt64: ctx.LoadValue((long)(ulong)defaultValue); EmitBeq(ctx, label, expected); break; case ProtoTypeCode.Double: ctx.LoadValue((double)defaultValue); EmitBeq(ctx, label, expected); break; case ProtoTypeCode.Single: ctx.LoadValue((float)defaultValue); EmitBeq(ctx, label, expected); break; case ProtoTypeCode.String: ctx.LoadValue((string)defaultValue); EmitBeq(ctx, label, expected); break; case ProtoTypeCode.Decimal: { decimal d = (decimal)defaultValue; ctx.LoadValue(d); EmitBeq(ctx, label, expected); } break; case ProtoTypeCode.TimeSpan: { TimeSpan ts = (TimeSpan)defaultValue; if (ts == TimeSpan.Zero) { ctx.LoadValue(typeof(TimeSpan).GetField("Zero")); } else { ctx.LoadValue(ts.Ticks); ctx.EmitCall(ctx.MapType(typeof(TimeSpan)).GetMethod("FromTicks")); } EmitBeq(ctx, label, expected); break; } case ProtoTypeCode.Guid: { ctx.LoadValue((Guid)defaultValue); EmitBeq(ctx, label, expected); break; } case ProtoTypeCode.DateTime: { #if FX11 ctx.LoadValue(((DateTime)defaultValue).ToFileTime()); ctx.EmitCall(typeof(DateTime).GetMethod("FromFileTime")); #else ctx.LoadValue(((DateTime)defaultValue).ToBinary()); ctx.EmitCall(ctx.MapType(typeof(DateTime)).GetMethod("FromBinary")); #endif EmitBeq(ctx, label, expected); break; } default: throw new NotSupportedException("Type cannot be represented as a default value: " + expected.FullName); } }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { using (Compiler.Local oldList = AppendToCollection ? ctx.GetLocalWithValue(ExpectedType, valueFrom) : null) using (Compiler.Local builder = new Compiler.Local(ctx, builderFactory.ReturnType)) { ctx.EmitCall(builderFactory); ctx.StoreValue(builder); if (AppendToCollection) { Compiler.CodeLabel done = ctx.DefineLabel(); if (!Helpers.IsValueType(ExpectedType)) { ctx.LoadValue(oldList); ctx.BranchIfFalse(done, false); // old value null; nothing to add } ctx.LoadAddress(oldList, oldList.Type); if (isEmpty != null) { ctx.EmitCall(Helpers.GetGetMethod(isEmpty, false, false)); ctx.BranchIfTrue(done, false); // old list is empty; nothing to add } else { ctx.EmitCall(Helpers.GetGetMethod(length, false, false)); ctx.BranchIfFalse(done, false); // old list is empty; nothing to add } Type voidType = typeof(void); if (addRange != null) { ctx.LoadValue(builder); ctx.LoadValue(oldList); ctx.EmitCall(addRange); if (addRange.ReturnType != null && add.ReturnType != voidType) { ctx.DiscardValue(); } } else { // loop and call Add repeatedly MethodInfo moveNext, current, getEnumerator = GetEnumeratorInfo(out moveNext, out current); Helpers.DebugAssert(moveNext != null); Helpers.DebugAssert(current != null); Helpers.DebugAssert(getEnumerator != null); Type enumeratorType = getEnumerator.ReturnType; using (Compiler.Local iter = new Compiler.Local(ctx, enumeratorType)) { ctx.LoadAddress(oldList, ExpectedType); ctx.EmitCall(getEnumerator); ctx.StoreValue(iter); using (ctx.Using(iter)) { Compiler.CodeLabel body = ctx.DefineLabel(), next = ctx.DefineLabel(); ctx.Branch(next, false); ctx.MarkLabel(body); ctx.LoadAddress(builder, builder.Type); ctx.LoadAddress(iter, enumeratorType); ctx.EmitCall(current); ctx.EmitCall(add); if (add.ReturnType != null && add.ReturnType != voidType) { ctx.DiscardValue(); } ctx.MarkLabel(@next); ctx.LoadAddress(iter, enumeratorType); ctx.EmitCall(moveNext); ctx.BranchIfTrue(body, false); } } } ctx.MarkLabel(done); } EmitReadList(ctx, builder, Tail, add, packedWireType, false); ctx.LoadAddress(builder, builder.Type); ctx.EmitCall(finish); if (ExpectedType != finish.ReturnType) { ctx.Cast(ExpectedType); } } }
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { ProtoTypeCode typeCode = GetTypeCode(); if (map == null) { ctx.EmitBasicRead("ReadInt32", ctx.MapType(typeof(int))); ctx.ConvertFromInt32(typeCode, false); } else { int[] wireValues = new int[map.Length]; object[] values = new object[map.Length]; for (int i = 0; i < map.Length; i++) { wireValues[i] = map[i].WireValue; values[i] = map[i].RawValue; } using (Compiler.Local result = new Compiler.Local(ctx, ExpectedType)) using (Compiler.Local wireValue = new Compiler.Local(ctx, ctx.MapType(typeof(int)))) { ctx.EmitBasicRead("ReadInt32", ctx.MapType(typeof(int))); ctx.StoreValue(wireValue); Compiler.CodeLabel @continue = ctx.DefineLabel(); foreach (BasicList.Group group in BasicList.GetContiguousGroups(wireValues, values)) { Compiler.CodeLabel tryNextGroup = ctx.DefineLabel(); int groupItemCount = group.Items.Count; if (groupItemCount == 1) { // discreet group; use an equality test ctx.LoadValue(wireValue); ctx.LoadValue(group.First); Compiler.CodeLabel processThisValue = ctx.DefineLabel(); ctx.BranchIfEqual(processThisValue, true); ctx.Branch(tryNextGroup, false); WriteEnumValue(ctx, typeCode, processThisValue, @continue, group.Items[0], @result); } else { // implement as a jump-table-based switch ctx.LoadValue(wireValue); ctx.LoadValue(group.First); ctx.Subtract(); // jump-tables are zero-based Compiler.CodeLabel[] jmp = new Compiler.CodeLabel[groupItemCount]; for (int i = 0; i < groupItemCount; i++) { jmp[i] = ctx.DefineLabel(); } ctx.Switch(jmp); // write the default... ctx.Branch(tryNextGroup, false); for (int i = 0; i < groupItemCount; i++) { WriteEnumValue(ctx, typeCode, jmp[i], @continue, group.Items[i], @result); } } ctx.MarkLabel(tryNextGroup); } // throw source.CreateEnumException(ExpectedType, wireValue); ctx.LoadReaderWriter(); ctx.LoadValue(ExpectedType); ctx.LoadValue(wireValue); ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("ThrowEnumException")); ctx.MarkLabel(@continue); ctx.LoadValue(result); } } }
public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local incoming) { using (Compiler.Local objValue = ctx.GetLocalWithValue(ExpectedType, incoming)) { Compiler.Local[] locals = new Compiler.Local[members.Length]; try { for (int i = 0; i < locals.Length; i++) { Type type = GetMemberType(i); bool store = true; locals[i] = new Compiler.Local(ctx, type); if (!Helpers.IsValueType(ExpectedType)) { // value-types always read the old value if (Helpers.IsValueType(type)) { switch (Helpers.GetTypeCode(type)) { case ProtoTypeCode.Boolean: case ProtoTypeCode.Byte: case ProtoTypeCode.Int16: case ProtoTypeCode.Int32: case ProtoTypeCode.SByte: case ProtoTypeCode.UInt16: case ProtoTypeCode.UInt32: ctx.LoadValue(0); break; case ProtoTypeCode.Int64: case ProtoTypeCode.UInt64: ctx.LoadValue(0L); break; case ProtoTypeCode.Single: ctx.LoadValue(0.0F); break; case ProtoTypeCode.Double: ctx.LoadValue(0.0D); break; case ProtoTypeCode.Decimal: ctx.LoadValue(0M); break; case ProtoTypeCode.Guid: ctx.LoadValue(Guid.Empty); break; default: ctx.LoadAddress(locals[i], type); ctx.EmitCtor(type); store = false; break; } } else { ctx.LoadNullRef(); } if (store) { ctx.StoreValue(locals[i]); } } } Compiler.CodeLabel skipOld = Helpers.IsValueType(ExpectedType) ? new Compiler.CodeLabel() : ctx.DefineLabel(); if (!Helpers.IsValueType(ExpectedType)) { ctx.LoadAddress(objValue, ExpectedType); ctx.BranchIfFalse(skipOld, false); } for (int i = 0; i < members.Length; i++) { ctx.LoadAddress(objValue, ExpectedType); if (members[i] is FieldInfo) { ctx.LoadValue((FieldInfo)members[i]); } else if (members[i] is PropertyInfo) { ctx.LoadValue((PropertyInfo)members[i]); } ctx.StoreValue(locals[i]); } if (!Helpers.IsValueType(ExpectedType)) ctx.MarkLabel(skipOld); using (Compiler.Local fieldNumber = new Compiler.Local(ctx, ctx.MapType(typeof(int)))) { Compiler.CodeLabel @continue = ctx.DefineLabel(), processField = ctx.DefineLabel(), notRecognised = ctx.DefineLabel(); ctx.Branch(@continue, false); Compiler.CodeLabel[] handlers = new Compiler.CodeLabel[members.Length]; for (int i = 0; i < members.Length; i++) { handlers[i] = ctx.DefineLabel(); } ctx.MarkLabel(processField); ctx.LoadValue(fieldNumber); ctx.LoadValue(1); ctx.Subtract(); // jump-table is zero-based ctx.Switch(handlers); // and the default: ctx.Branch(notRecognised, false); for (int i = 0; i < handlers.Length; i++) { ctx.MarkLabel(handlers[i]); IProtoSerializer tail = tails[i]; Compiler.Local oldValIfNeeded = tail.RequiresOldValue ? locals[i] : null; ctx.ReadNullCheckedTail(locals[i].Type, tail, oldValIfNeeded); if (tail.ReturnsValue) { if (Helpers.IsValueType(locals[i].Type)) { ctx.StoreValue(locals[i]); } else { Compiler.CodeLabel hasValue = ctx.DefineLabel(), allDone = ctx.DefineLabel(); ctx.CopyValue(); ctx.BranchIfTrue(hasValue, true); // interpret null as "don't assign" ctx.DiscardValue(); ctx.Branch(allDone, true); ctx.MarkLabel(hasValue); ctx.StoreValue(locals[i]); ctx.MarkLabel(allDone); } } ctx.Branch(@continue, false); } ctx.MarkLabel(notRecognised); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("SkipField")); ctx.MarkLabel(@continue); ctx.EmitBasicRead("ReadFieldHeader", ctx.MapType(typeof(int))); ctx.CopyValue(); ctx.StoreValue(fieldNumber); ctx.LoadValue(0); ctx.BranchIfGreater(processField, false); } for (int i = 0; i < locals.Length; i++) { ctx.LoadValue(locals[i]); } ctx.EmitCtor(ctor); ctx.StoreValue(objValue); } finally { for (int i = 0; i < locals.Length; i++) { if (locals[i] != null) locals[i].Dispose(); // release for re-use } } } }
private static void WriteEnumValue(Compiler.CompilerContext ctx, ProtoTypeCode typeCode, Compiler.CodeLabel handler, Compiler.CodeLabel @continue, object value, Compiler.Local local) { ctx.MarkLabel(handler); WriteEnumValue(ctx, typeCode, value); ctx.StoreValue(local); ctx.Branch(@continue, false); // "continue" }
public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local incoming) { using (Compiler.Local objValue = ctx.GetLocalWithValue(ExpectedType, incoming)) { Compiler.Local[] locals = new Compiler.Local[members.Length]; try { for (int i = 0; i < locals.Length; i++) { Type type = GetMemberType(i); bool store = true; locals[i] = new Compiler.Local(ctx, type); if (!ExpectedType.IsValueType) { // value-types always read the old value if (type.IsValueType) { switch (Helpers.GetTypeCode(type)) { case ProtoTypeCode.Boolean: case ProtoTypeCode.Byte: case ProtoTypeCode.Int16: case ProtoTypeCode.Int32: case ProtoTypeCode.SByte: case ProtoTypeCode.UInt16: case ProtoTypeCode.UInt32: ctx.LoadValue(0); break; case ProtoTypeCode.Int64: case ProtoTypeCode.UInt64: ctx.LoadValue(0L); break; case ProtoTypeCode.Single: ctx.LoadValue(0.0F); break; case ProtoTypeCode.Double: ctx.LoadValue(0.0D); break; case ProtoTypeCode.Decimal: ctx.LoadValue(0M); break; case ProtoTypeCode.Guid: ctx.LoadValue(Guid.Empty); break; default: ctx.LoadAddress(locals[i], type); ctx.EmitCtor(type); store = false; break; } } else { ctx.LoadNullRef(); } if (store) { ctx.StoreValue(locals[i]); } } } Compiler.CodeLabel skipOld = ExpectedType.IsValueType ? new Compiler.CodeLabel() : ctx.DefineLabel(); if (!ExpectedType.IsValueType) { ctx.LoadAddress(objValue, ExpectedType); ctx.BranchIfFalse(skipOld, false); } for (int i = 0; i < members.Length; i++) { ctx.LoadAddress(objValue, ExpectedType); switch (members[i].MemberType) { case MemberTypes.Field: ctx.LoadValue((FieldInfo)members[i]); break; case MemberTypes.Property: ctx.LoadValue((PropertyInfo)members[i]); break; } ctx.StoreValue(locals[i]); } if (!ExpectedType.IsValueType) { ctx.MarkLabel(skipOld); } using (Compiler.Local fieldNumber = new Compiler.Local(ctx, ctx.MapType(typeof(int)))) { Compiler.CodeLabel @continue = ctx.DefineLabel(), processField = ctx.DefineLabel(), notRecognised = ctx.DefineLabel(); ctx.Branch(@continue, false); Compiler.CodeLabel[] handlers = new Compiler.CodeLabel[members.Length]; for (int i = 0; i < members.Length; i++) { handlers[i] = ctx.DefineLabel(); } ctx.MarkLabel(processField); ctx.LoadValue(fieldNumber); ctx.LoadValue(1); ctx.Subtract(); // jump-table is zero-based ctx.Switch(handlers); // and the default: ctx.Branch(notRecognised, false); for (int i = 0; i < handlers.Length; i++) { ctx.MarkLabel(handlers[i]); IProtoSerializer tail = tails[i]; Compiler.Local oldValIfNeeded = tail.RequiresOldValue ? locals[i] : null; ctx.ReadNullCheckedTail(locals[i].Type, tail, oldValIfNeeded); if (tail.ReturnsValue) { if (locals[i].Type.IsValueType) { ctx.StoreValue(locals[i]); } else { Compiler.CodeLabel hasValue = ctx.DefineLabel(), allDone = ctx.DefineLabel(); ctx.CopyValue(); ctx.BranchIfTrue(hasValue, true); // interpret null as "don't assign" ctx.DiscardValue(); ctx.Branch(allDone, true); ctx.MarkLabel(hasValue); ctx.StoreValue(locals[i]); ctx.MarkLabel(allDone); } } ctx.Branch(@continue, false); } ctx.MarkLabel(notRecognised); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("SkipField")); ctx.MarkLabel(@continue); ctx.EmitBasicRead("ReadFieldHeader", ctx.MapType(typeof(int))); ctx.CopyValue(); ctx.StoreValue(fieldNumber); ctx.LoadValue(0); ctx.BranchIfGreater(processField, false); } for (int i = 0; i < locals.Length; i++) { ctx.LoadValue(locals[i]); } ctx.EmitCtor(ctor); ctx.StoreValue(objValue); } finally { for (int i = 0; i < locals.Length; i++) { if (locals[i] != null) { locals[i].Dispose(); // release for re-use } } } } }
protected override void EmitWrite(ProtoBuf.Compiler.CompilerContext ctx, ProtoBuf.Compiler.Local valueFrom) { using (Compiler.Local list = ctx.GetLocalWithValue(ExpectedType, valueFrom)) { MethodInfo moveNext, current, getEnumerator = GetEnumeratorInfo(ctx.Model, out moveNext, out current); Helpers.DebugAssert(moveNext != null); Helpers.DebugAssert(current != null); Helpers.DebugAssert(getEnumerator != null); Type enumeratorType = getEnumerator.ReturnType; bool writePacked = WritePacked; using (Compiler.Local iter = new Compiler.Local(ctx, enumeratorType)) using (Compiler.Local token = writePacked ? new Compiler.Local(ctx, ctx.MapType(typeof(SubItemToken))) : null) { if (writePacked) { ctx.LoadValue(fieldNumber); ctx.LoadValue((int)WireType.String); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("WriteFieldHeader")); ctx.LoadValue(list); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("StartSubItem")); ctx.StoreValue(token); ctx.LoadValue(fieldNumber); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("SetPackedField")); } ctx.LoadAddress(list, ExpectedType); ctx.EmitCall(getEnumerator); ctx.StoreValue(iter); using (ctx.Using(iter)) { Compiler.CodeLabel body = ctx.DefineLabel(), next = ctx.DefineLabel(); ctx.Branch(next, false); ctx.MarkLabel(body); ctx.LoadAddress(iter, enumeratorType); ctx.EmitCall(current); Type itemType = Tail.ExpectedType; if (itemType != ctx.MapType(typeof(object)) && current.ReturnType == ctx.MapType(typeof(object))) { ctx.CastFromObject(itemType); } Tail.EmitWrite(ctx, null); ctx.MarkLabel(@next); ctx.LoadAddress(iter, enumeratorType); ctx.EmitCall(moveNext); ctx.BranchIfTrue(body, false); } if (writePacked) { ctx.LoadValue(token); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("EndSubItem")); } } } }
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { Type expected = ExpectedType; Helpers.DebugAssert(valueFrom != null); using (Compiler.Local loc = ctx.GetLocalWithValue(expected, valueFrom)) using (Compiler.Local fieldNumber = new Compiler.Local(ctx, typeof(int))) { // pre-callbacks if (HasCallbacks(TypeModel.CallbackType.BeforeDeserialize)) { Compiler.CodeLabel callbacksDone = ctx.DefineLabel(); ctx.LoadValue(loc); ctx.BranchIfFalse(callbacksDone, false); EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.BeforeDeserialize); ctx.MarkLabel(callbacksDone); } Compiler.CodeLabel @continue = ctx.DefineLabel(), processField = ctx.DefineLabel(); ctx.Branch(@continue, false); ctx.MarkLabel(processField); foreach (BasicList.Group group in BasicList.GetContiguousGroups(fieldNumbers, serializers)) { Compiler.CodeLabel tryNextField = ctx.DefineLabel(); int groupItemCount = group.Items.Count; if (groupItemCount == 1) { // discreet group; use an equality test ctx.LoadValue(fieldNumber); ctx.LoadValue(group.First); Compiler.CodeLabel processThisField = ctx.DefineLabel(); ctx.BranchIfEqual(processThisField, true); ctx.Branch(tryNextField, false); WriteFieldHandler(ctx, expected, loc, processThisField, @continue, (IProtoSerializer)group.Items[0]); } else { // implement as a jump-table-based switch ctx.LoadValue(fieldNumber); ctx.LoadValue(group.First); ctx.Subtract(); // jump-tables are zero-based Compiler.CodeLabel[] jmp = new Compiler.CodeLabel[groupItemCount]; for (int i = 0; i < groupItemCount; i++) { jmp[i] = ctx.DefineLabel(); } ctx.Switch(jmp); // write the default... ctx.Branch(tryNextField, false); for (int i = 0; i < groupItemCount; i++) { WriteFieldHandler(ctx, expected, loc, jmp[i], @continue, (IProtoSerializer)group.Items[i]); } } ctx.MarkLabel(tryNextField); } EmitCreateIfNull(ctx, expected, loc); ctx.LoadReaderWriter(); if (isExtensible) { ctx.LoadValue(loc); ctx.EmitCall(typeof(ProtoReader).GetMethod("AppendExtensionData")); } else { ctx.EmitCall(typeof(ProtoReader).GetMethod("SkipField")); } ctx.MarkLabel(@continue); ctx.EmitBasicRead("ReadFieldHeader", typeof(int)); ctx.CopyValue(); ctx.StoreValue(fieldNumber); ctx.LoadValue(0); ctx.BranchIfGreater(processField, false); EmitCreateIfNull(ctx, expected, loc); // post-callbacks EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.AfterDeserialize); } }
} // updates field directly #if FEAT_COMPILER void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { Type expected = ExpectedType; using (Compiler.Local loc = ctx.GetLocalWithValue(expected, valueFrom)) { // pre-callbacks EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.BeforeSerialize); Compiler.CodeLabel startFields = ctx.DefineLabel(); // inheritance if (CanHaveInheritance) { for (int i = 0; i < serializers.Length; i++) { IProtoSerializer ser = serializers[i]; Type serType = ser.ExpectedType; if (serType != forType) { Compiler.CodeLabel ifMatch = ctx.DefineLabel(), nextTest = ctx.DefineLabel(); ctx.LoadValue(loc); ctx.TryCast(serType); ctx.CopyValue(); ctx.BranchIfTrue(ifMatch, true); ctx.DiscardValue(); ctx.Branch(nextTest, true); ctx.MarkLabel(ifMatch); ser.EmitWrite(ctx, null); ctx.Branch(startFields, false); ctx.MarkLabel(nextTest); } } if (constructType != null && constructType != forType) { using (Compiler.Local actualType = new Compiler.Local(ctx, ctx.MapType(typeof(System.Type)))) { // would have jumped to "fields" if an expected sub-type, so two options: // a: *exactly* that type, b: an *unexpected* type ctx.LoadValue(loc); ctx.EmitCall(ctx.MapType(typeof(object)).GetMethod("GetType")); ctx.CopyValue(); ctx.StoreValue(actualType); ctx.LoadValue(forType); ctx.BranchIfEqual(startFields, true); ctx.LoadValue(actualType); ctx.LoadValue(constructType); ctx.BranchIfEqual(startFields, true); } } else { // would have jumped to "fields" if an expected sub-type, so two options: // a: *exactly* that type, b: an *unexpected* type ctx.LoadValue(loc); ctx.EmitCall(ctx.MapType(typeof(object)).GetMethod("GetType")); ctx.LoadValue(forType); ctx.BranchIfEqual(startFields, true); } // unexpected, then... note that this *might* be a proxy, which // is handled by ThrowUnexpectedSubtype ctx.LoadValue(forType); ctx.LoadValue(loc); ctx.EmitCall(ctx.MapType(typeof(object)).GetMethod("GetType")); ctx.EmitCall(ctx.MapType(typeof(TypeModel)).GetMethod("ThrowUnexpectedSubtype", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static)); } // fields ctx.MarkLabel(startFields); for (int i = 0; i < serializers.Length; i++) { IProtoSerializer ser = serializers[i]; if (ser.ExpectedType == forType) { ser.EmitWrite(ctx, loc); } } // extension data if (isExtensible) { ctx.LoadValue(loc); ctx.LoadReaderWriter(); ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("AppendExtensionData")); } // post-callbacks EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.AfterSerialize); } }
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom) { bool writeValue; SanityCheck(ctx.Model, property, Tail, out writeValue, ctx.NonPublic, ctx.AllowInternal(property)); if (ExpectedType.IsValueType && valueFrom == null) { throw new InvalidOperationException("Attempt to mutate struct on the head of the stack; changes would be lost"); } using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom)) { if (Tail.RequiresOldValue) { ctx.LoadAddress(loc, ExpectedType); // stack is: old-addr ctx.LoadValue(property); // stack is: old-value } Type propertyType = property.PropertyType; ctx.ReadNullCheckedTail(propertyType, Tail, null); // stack is [new-value] if (writeValue) { using (Compiler.Local newVal = new Compiler.Local(ctx, property.PropertyType)) { ctx.StoreValue(newVal); // stack is empty Compiler.CodeLabel allDone = new Compiler.CodeLabel(); // <=== default structs if (!propertyType.IsValueType) { // if the tail returns a null, intepret that as *no assign* allDone = ctx.DefineLabel(); ctx.LoadValue(newVal); // stack is: new-value ctx.BranchIfFalse(@allDone, true); // stack is empty } // assign the value ctx.LoadAddress(loc, ExpectedType); // parent-addr ctx.LoadValue(newVal); // parent-obj|new-value if (shadowSetter == null) { ctx.StoreValue(property); // empty } else { ctx.EmitCall(shadowSetter); // empty } if (!propertyType.IsValueType) { ctx.MarkLabel(allDone); } } } else { // don't want return value; drop it if anything there // stack is [new-value] if (Tail.ReturnsValue) { ctx.DiscardValue(); } } } }
private void WriteGetKeyImpl(TypeBuilder type, bool hasInheritance, SerializerPair[] methodPairs, Compiler.CompilerContext.ILVersion ilVersion, string assemblyName, out ILGenerator il, out int knownTypesCategory, out FieldBuilder knownTypes, out Type knownTypesLookupType) { il = Override(type, "GetKeyImpl"); Compiler.CompilerContext ctx = new Compiler.CompilerContext(il, false, false, methodPairs, this, ilVersion, assemblyName, MapType(typeof(System.Type), true)); if (types.Count <= KnownTypes_ArrayCutoff) { knownTypesCategory = KnownTypes_Array; knownTypesLookupType = MapType(typeof(System.Type[]), true); } else { #if NO_GENERICS knownTypesLookupType = null; #else knownTypesLookupType = MapType(typeof(System.Collections.Generic.Dictionary<System.Type, int>), false); #endif if (knownTypesLookupType == null) { knownTypesLookupType = MapType(typeof(Hashtable), true); knownTypesCategory = KnownTypes_Hashtable; } else { knownTypesCategory = KnownTypes_Dictionary; } } knownTypes = type.DefineField("knownTypes", knownTypesLookupType, FieldAttributes.Private | FieldAttributes.InitOnly | FieldAttributes.Static); switch (knownTypesCategory) { case KnownTypes_Array: { il.Emit(OpCodes.Ldsfld, knownTypes); il.Emit(OpCodes.Ldarg_1); // note that Array.IndexOf is not supported under CF il.EmitCall(OpCodes.Callvirt, MapType(typeof(IList)).GetMethod( "IndexOf", new Type[] { MapType(typeof(object)) }), null); if (hasInheritance) { il.DeclareLocal(MapType(typeof(int))); // loc-0 il.Emit(OpCodes.Dup); il.Emit(OpCodes.Stloc_0); BasicList getKeyLabels = new BasicList(); int lastKey = -1; for (int i = 0; i < methodPairs.Length; i++) { if (methodPairs[i].MetaKey == methodPairs[i].BaseKey) break; if (lastKey == methodPairs[i].BaseKey) { // add the last label again getKeyLabels.Add(getKeyLabels[getKeyLabels.Count - 1]); } else { // add a new unique label getKeyLabels.Add(ctx.DefineLabel()); lastKey = methodPairs[i].BaseKey; } } Compiler.CodeLabel[] subtypeLabels = new Compiler.CodeLabel[getKeyLabels.Count]; getKeyLabels.CopyTo(subtypeLabels, 0); ctx.Switch(subtypeLabels); il.Emit(OpCodes.Ldloc_0); // not a sub-type; use the original value il.Emit(OpCodes.Ret); lastKey = -1; // now output the different branches per sub-type (not derived type) for (int i = subtypeLabels.Length - 1; i >= 0; i--) { if (lastKey != methodPairs[i].BaseKey) { lastKey = methodPairs[i].BaseKey; // find the actual base-index for this base-key (i.e. the index of // the base-type) int keyIndex = -1; for (int j = subtypeLabels.Length; j < methodPairs.Length; j++) { if (methodPairs[j].BaseKey == lastKey && methodPairs[j].MetaKey == lastKey) { keyIndex = j; break; } } ctx.MarkLabel(subtypeLabels[i]); Compiler.CompilerContext.LoadValue(il, keyIndex); il.Emit(OpCodes.Ret); } } } else { il.Emit(OpCodes.Ret); } } break; case KnownTypes_Dictionary: { LocalBuilder result = il.DeclareLocal(MapType(typeof(int))); Label otherwise = il.DefineLabel(); il.Emit(OpCodes.Ldsfld, knownTypes); il.Emit(OpCodes.Ldarg_1); il.Emit(OpCodes.Ldloca_S, result); il.EmitCall(OpCodes.Callvirt, knownTypesLookupType.GetMethod("TryGetValue", BindingFlags.Instance | BindingFlags.Public), null); il.Emit(OpCodes.Brfalse_S, otherwise); il.Emit(OpCodes.Ldloc_S, result); il.Emit(OpCodes.Ret); il.MarkLabel(otherwise); il.Emit(OpCodes.Ldc_I4_M1); il.Emit(OpCodes.Ret); } break; case KnownTypes_Hashtable: { Label otherwise = il.DefineLabel(); il.Emit(OpCodes.Ldsfld, knownTypes); il.Emit(OpCodes.Ldarg_1); il.EmitCall(OpCodes.Callvirt, knownTypesLookupType.GetProperty("Item").GetGetMethod(), null); il.Emit(OpCodes.Dup); il.Emit(OpCodes.Brfalse_S, otherwise); #if FX11 il.Emit(OpCodes.Unbox, MapType(typeof(int))); il.Emit(OpCodes.Ldobj, MapType(typeof(int))); #else if (ilVersion == Compiler.CompilerContext.ILVersion.Net1) { il.Emit(OpCodes.Unbox, MapType(typeof(int))); il.Emit(OpCodes.Ldobj, MapType(typeof(int))); } else { il.Emit(OpCodes.Unbox_Any, MapType(typeof(int))); } #endif il.Emit(OpCodes.Ret); il.MarkLabel(otherwise); il.Emit(OpCodes.Pop); il.Emit(OpCodes.Ldc_I4_M1); il.Emit(OpCodes.Ret); } break; default: throw new InvalidOperationException(); } }
protected override void EmitRead(CompilerContext ctx, Local valueFrom) { using (Compiler.Local list = AppendToCollection ? ctx.GetLocalWithValue(ExpectedType, valueFrom) : new Compiler.Local(ctx, typeof(TDictionary))) using (Compiler.Local token = new Compiler.Local(ctx, typeof(SubItemToken))) using (Compiler.Local key = new Compiler.Local(ctx, typeof(TKey))) using (Compiler.Local @value = new Compiler.Local(ctx, typeof(TValue))) using (Compiler.Local fieldNumber = new Compiler.Local(ctx, typeof(int))) { if (!AppendToCollection) { // always new ctx.LoadNullRef(); ctx.StoreValue(list); } if (concreteType != null) { ctx.LoadValue(list); Compiler.CodeLabel notNull = ctx.DefineLabel(); ctx.BranchIfTrue(notNull, true); ctx.EmitCtor(concreteType); ctx.StoreValue(list); ctx.MarkLabel(notNull); } var redoFromStart = ctx.DefineLabel(); ctx.MarkLabel(redoFromStart); // key = default(TKey); value = default(TValue); if (typeof(TKey) == typeof(string)) { ctx.LoadValue(""); ctx.StoreValue(key); } else { ctx.InitLocal(typeof(TKey), key); } if (typeof(TValue) == typeof(string)) { ctx.LoadValue(""); ctx.StoreValue(value); } else { ctx.InitLocal(typeof(TValue), @value); } // token = ProtoReader.StartSubItem(reader); ctx.LoadReader(true); ctx.EmitCall(typeof(ProtoReader).GetMethod("StartSubItem", ProtoReader.State.ReaderStateTypeArray)); ctx.StoreValue(token); Compiler.CodeLabel @continue = ctx.DefineLabel(), processField = ctx.DefineLabel(); // while ... ctx.Branch(@continue, false); // switch(fieldNumber) ctx.MarkLabel(processField); ctx.LoadValue(fieldNumber); CodeLabel @default = ctx.DefineLabel(), one = ctx.DefineLabel(), two = ctx.DefineLabel(); ctx.Switch(new[] { @default, one, two }); // zero based, hence explicit 0 // case 0: default: reader.SkipField(); ctx.MarkLabel(@default); ctx.LoadReader(true); ctx.EmitCall(typeof(ProtoReader).GetMethod("SkipField", ProtoReader.State.StateTypeArray)); ctx.Branch(@continue, false); // case 1: key = ... ctx.MarkLabel(one); keyTail.EmitRead(ctx, null); ctx.StoreValue(key); ctx.Branch(@continue, false); // case 2: value = ... ctx.MarkLabel(two); Tail.EmitRead(ctx, Tail.RequiresOldValue ? @value : null); ctx.StoreValue(value); // (fieldNumber = reader.ReadFieldHeader()) > 0 ctx.MarkLabel(@continue); ctx.EmitBasicRead("ReadFieldHeader", typeof(int)); ctx.CopyValue(); ctx.StoreValue(fieldNumber); ctx.LoadValue(0); ctx.BranchIfGreater(processField, false); // ProtoReader.EndSubItem(token, reader); ctx.LoadValue(token); ctx.LoadReader(true); ctx.EmitCall(typeof(ProtoReader).GetMethod("EndSubItem", new[] { typeof(SubItemToken), typeof(ProtoReader), ProtoReader.State.ByRefStateType })); // list[key] = value; ctx.LoadAddress(list, ExpectedType); ctx.LoadValue(key); ctx.LoadValue(@value); ctx.EmitCall(indexerSet); // while reader.TryReadFieldReader(fieldNumber) ctx.LoadReader(true); ctx.LoadValue(this.fieldNumber); ctx.EmitCall(typeof(ProtoReader).GetMethod("TryReadFieldHeader", new[] { ProtoReader.State.ByRefStateType, typeof(int) })); ctx.BranchIfTrue(redoFromStart, false); if (ReturnsValue) { ctx.LoadValue(list); } } }