public void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
var g = ctx.G;
g.Writer.ExpectRoot();
if (_protoCompatibility)
{
_serializer.EmitWrite(ctx, valueFrom);
return;
}
using (var rootToken = ctx.Local(typeof(SubItemToken)))
using (var typeKey = ctx.Local(typeof(int)))
using (var obj = ctx.Local(typeof(object)))
using (var refKey = ctx.Local(typeof(int)))
{
g.Assign(rootToken, g.WriterFunc.StartSubItem(null, false));
g.Writer.WriteFieldHeaderBegin(CurrentFormatVersion);
_serializer.EmitWrite(ctx, valueFrom);
g.While(g.StaticFactory.Invoke(typeof(ProtoWriter), nameof(ProtoWriter.TryGetNextLateReference), typeKey, obj, refKey, g.ArgReaderWriter()));
{
g.Writer.WriteFieldHeaderBegin(refKey.AsOperand + 1);
g.Writer.WriteRecursionSafeObject(obj, typeKey);
}
g.End();
g.Writer.EndSubItem(rootToken);
}
}
}
public void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
var g = ctx.G;
using (Compiler.Local value = ctx.GetLocalWithValue(_ctor.DeclaringType, valueFrom))
using (Compiler.Local token = ctx.Local(typeof(SubItemToken)))
{
g.Assign(token, g.WriterFunc.StartSubItem(value, _prefixLength));
for (int i = 0; i < _tails.Length; i++)
{
Type type = GetMemberType(i);
ctx.LoadAddress(value, ExpectedType);
switch (_members[i].Member.MemberType)
{
case MemberTypes.Field:
ctx.LoadValue((FieldInfo)_members[i].Member);
break;
case MemberTypes.Property:
ctx.LoadValue((PropertyInfo)_members[i].Member);
break;
}
ctx.LoadValue(i + 1);
ctx.LoadReaderWriter();
ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod(nameof(ProtoWriter.WriteFieldHeaderBegin)));
ctx.WriteNullCheckedTail(type, _tails[i], null, true);
}
g.Writer.EndSubItem(token);
}
}
}
private void EmitBranchIfDefaultValue(Compiler.CompilerContext ctx, Compiler.CodeLabel label)
{
using (ctx.StartDebugBlockAuto(this))
{
var g = ctx.G;
Type nullableUnderlying = Helpers.GetNullableUnderlyingType(ExpectedType);
if (nullableUnderlying != null)
{
using (var loc = ctx.Local(ExpectedType))
{
// we another for null check
ctx.G.Assign(loc, g.GetStackValueOperand(ExpectedType));
g.If(loc.AsOperand.Property("HasValue"));
// unwrap value
g.LeaveNextReturnOnStack();
g.Eval(loc.AsOperand.Property("Value"));
}
}
EmitBranchIfDefaultValue_Switch(ctx, label);
if (nullableUnderlying != null)
{
g.End();
}
}
}
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
var g = ctx.G;
using (var value = ctx.GetLocalWithValueForEmitRead(this, valueFrom)) // overwriteList ? null : value
using (var result = ctx.Local(ExpectedType))
{
g.Assign(result, g.ReaderFunc.AppendBytes(value));
if (!value.IsNullRef())
{
g.If(value.AsOperand == null);
}
{
//if (overwriteList || value == null)
g.Reader.NoteObject(result);
}
if (!value.IsNullRef())
{
g.End();
}
ctx.LoadValue(result);
}
}
}
public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
var g = ctx.G;
g.Reader.ExpectRoot();
if (_protoCompatibility)
{
_serializer.EmitRead(ctx, _serializer.RequiresOldValue ? valueFrom : null);
return;
}
using (var rootToken = ctx.Local(typeof(SubItemToken)))
using (var typeKey = ctx.Local(typeof(int)))
using (var obj = ctx.Local(typeof(object)))
using (var formatVersion = ctx.Local(typeof(int)))
using (var expectedRefKey = ctx.Local(typeof(int)))
using (var actualRefKey = ctx.Local(typeof(int)))
using (var value = ctx.GetLocalWithValueForEmitRead(this, valueFrom))
{
g.Assign(rootToken, g.ReaderFunc.StartSubItem());
g.Assign(formatVersion, g.ReaderFunc.ReadFieldHeader_int());
g.If(formatVersion.AsOperand != CurrentFormatVersion);
{
g.ThrowProtoException("Wrong format version, required " + CurrentFormatVersion + " but actual " + formatVersion.AsOperand);
}
g.End();
_serializer.EmitRead(ctx, _serializer.RequiresOldValue ? value : null);
if (_serializer.EmitReadReturnsValue)
{
g.Assign(value, g.GetStackValueOperand(ExpectedType));
}
g.While(g.StaticFactory.Invoke(typeof(ProtoReader), nameof(ProtoReader.TryGetNextLateReference), typeKey, obj, expectedRefKey, g.ArgReaderWriter()));
{
g.DoWhile();
{
g.Assign(actualRefKey, g.ReaderFunc.ReadFieldHeader_int() - 1);
g.If(actualRefKey.AsOperand != expectedRefKey.AsOperand);
{
g.If(actualRefKey.AsOperand <= -1);
{
g.ThrowProtoException("Expected field for late reference");
}
g.End();
g.If(actualRefKey.AsOperand > expectedRefKey.AsOperand);
{
g.ThrowProtoException("Mismatched order of late reference objects");
}
g.End();
g.Reader.SkipField();
}
g.End();
}
g.EndDoWhile(actualRefKey.AsOperand < expectedRefKey.AsOperand);
g.If(!g.StaticFactory.InvokeReferenceEquals(g.ReaderFunc.ReadObject(obj, typeKey), obj));
{
g.ThrowProtoException("Late reference changed during deserializing");
}
g.End();
}
g.End();
g.Reader.EndSubItem(rootToken);
if (EmitReadReturnsValue)
{
ctx.LoadValue(value);
}
}
}
}
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
using (Compiler.Local oldValue = ctx.GetLocalWithValueForEmitRead(this, valueFrom))
{
Compiler.Local tempLocal = null;
Compiler.Local valueForTail;
Debug.Assert(Tail.RequiresOldValue || Tail.EmitReadReturnsValue);
if (Tail.RequiresOldValue)
{
if (_expectedType.IsValueType)
{
tempLocal = ctx.Local(Tail.ExpectedType);
ctx.LoadAddress(oldValue, _expectedType);
ctx.EmitCall(_expectedType.GetMethod("GetValueOrDefault", Helpers.EmptyTypes));
ctx.StoreValue(tempLocal);
valueForTail = tempLocal;
}
else
{
valueForTail = oldValue;
}
}
else
{
valueForTail = null;
}
// valueForTail contains:
// null: when not required old value
// oldValue local: when reference type
// tempLocal: when nullable value type
Tail.EmitRead(ctx, valueForTail);
if (_expectedType.IsValueType)
{
if (!Tail.EmitReadReturnsValue)
{
ctx.LoadValue(tempLocal);
}
// note we demanded always returns a value
ctx.EmitCtor(_expectedType, Tail.ExpectedType); // re-nullable<T> it
}
if (Tail.EmitReadReturnsValue || _expectedType.IsValueType)
{
ctx.StoreValue(oldValue);
}
if (EmitReadReturnsValue)
{
ctx.LoadValue(oldValue);
}
if (!tempLocal.IsNullRef())
{
tempLocal.Dispose();
}
}
}
}
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
var g = ctx.G;
Helpers.DebugAssert(!valueFrom.IsNullRef());
using (Compiler.Local loc = ctx.GetLocalWithValueForEmitRead(this, valueFrom))
using (Compiler.Local token = ctx.Local(typeof(SubItemToken)))
using (Compiler.Local fieldNumber = new Compiler.Local(ctx, ctx.MapType(typeof(int))))
{
g.Assign(token, g.ReaderFunc.StartSubItem());
// 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, 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, 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);
g.Reader.EndSubItem(token);
if (EmitReadReturnsValue)
{
ctx.LoadValue(loc);
}
}
}
}
} = false; // updates field directly
void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
var g = ctx.G;
Type expected = ExpectedType;
using (Compiler.Local loc = ctx.GetLocalWithValue(expected, valueFrom))
using (Compiler.Local token = ctx.Local(typeof(SubItemToken)))
{
g.Assign(token, g.WriterFunc.StartSubItem(loc, _prefixLength));
// 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 != ExpectedType)
{
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);
ctx.G.Writer.WriteFieldHeaderBegin(_fieldNumbers[i]);
ser.EmitWrite(ctx, null);
ctx.Branch(startFields, false);
ctx.MarkLabel(nextTest);
}
}
if (_constructType != null && _constructType != ExpectedType)
{
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(ExpectedType);
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(ExpectedType);
ctx.BranchIfEqual(startFields, true);
}
// unexpected, then... note that this *might* be a proxy, which
// is handled by ThrowUnexpectedSubtype
ctx.LoadValue(ExpectedType);
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 == ExpectedType)
{
ctx.G.Writer.WriteFieldHeaderBegin(_fieldNumbers[i]);
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);
g.Writer.EndSubItem(token);
}
}
}
