bool EmitDedicatedMethod(Compiler.CompilerContext ctx, Compiler.Local valueFrom, bool read)
        {
            System.Reflection.Emit.MethodBuilder method = ctx.GetDedicatedMethod(key, read);
            if (method == null) return false;
            using (Compiler.Local token = new ProtoBuf.Compiler.Local(ctx, typeof(SubItemToken)))
            {
                Type rwType = read ? typeof(ProtoReader) : typeof(ProtoWriter);
                ctx.LoadValue(valueFrom);
                if (!read) // write requires the object for StartSubItem; read doesn't
                {
                    if (type.IsValueType) { ctx.LoadNullRef(); }
                    else { ctx.CopyValue(); }
                }
                ctx.LoadReaderWriter();
                ctx.EmitCall(rwType.GetMethod("StartSubItem"));
                ctx.StoreValue(token);

                // note: value already on the stack
                ctx.LoadReaderWriter();                
                ctx.EmitCall(method);
                // handle inheritance (we will be calling the *base* version of things,
                // but we expect Read to return the "type" type)
                if (read && type != method.ReturnType) ctx.Cast(this.type);
                ctx.LoadValue(token);
                
                ctx.LoadReaderWriter();
                ctx.EmitCall(rwType.GetMethod("EndSubItem"));
            }            
            return true;
        }
예제 #2
0
        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 (Helpers.IsValueType(expectedType))
                    {
                        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 (Helpers.IsValueType(expectedType))
                {
                    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
            }
        }
예제 #3
0
 protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     ctx.LoadValue((int)fieldNumber);
     ctx.LoadValue((int)wireType);
     ctx.LoadReaderWriter();
     ctx.EmitCall(typeof(ProtoWriter).GetMethod("WriteFieldHeader"));
     Tail.EmitWrite(ctx, valueFrom);    
 }
예제 #4
0
 public void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     ctx.LoadValue(valueFrom);
     ctx.CastToObject(type);
     ctx.LoadReaderWriter();
     ctx.LoadValue(ctx.MapMetaKeyToCompiledKey(key));
     ctx.LoadValue((int)options);
     ctx.EmitCall(ctx.MapType(typeof(BclHelpers)).GetMethod("WriteNetObject"));
 }
예제 #5
0
 public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     ctx.LoadValue(valueFrom);
     ctx.CastToObject(type);
     ctx.LoadReaderWriter();
     ctx.LoadValue(ctx.MapMetaKeyToCompiledKey(key));
     if (type ==  ctx.MapType(typeof(object))) ctx.LoadNullRef();
     else ctx.LoadValue(type);
     ctx.LoadValue((int)options);
     ctx.EmitCall(ctx.MapType(typeof(BclHelpers)).GetMethod("ReadNetObject"));
     ctx.CastFromObject(type);
 }
예제 #6
0
 void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     if (overwriteList)
     {
         ctx.LoadNullRef();
     }
     else
     {
         ctx.LoadValue(valueFrom);
     }
     ctx.LoadReaderWriter();
     ctx.EmitCall(typeof(ProtoReader).GetMethod("AppendBytes"));
 }
        public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
        {
            ctx.LoadValue(valueFrom);
            ctx.CastToObject(type);
            ctx.LoadReaderWriter();
            ctx.LoadValue(key);
            
			if (type == typeof(object))
            {
            	ctx.LoadNullRef();
            }
            else
            {
            	ctx.LoadValue(type);
            }

            ctx.LoadValue((int)options);
            ctx.EmitCall(typeof(BclHelpers).GetMethod("ReadNetObject"));
            ctx.CastFromObject(type);
        }
예제 #8
0
        bool EmitDedicatedMethod(Compiler.CompilerContext ctx, Compiler.Local valueFrom, bool read)
        {
#if SILVERLIGHT
            return false;
#else
            MethodBuilder method = ctx.GetDedicatedMethod(key, read);
            if (method == null) return false;

            using (Compiler.Local token = new ProtoBuf.Compiler.Local(ctx, ctx.MapType(typeof(SubItemToken))))
            {
                Type rwType = ctx.MapType(read ? typeof(ProtoReader) : typeof(ProtoWriter));
                ctx.LoadValue(valueFrom);
                if (!read) // write requires the object for StartSubItem; read doesn't
                {  // (if recursion-check is disabled [subtypes] then null is fine too)
                    if (type.IsValueType || !recursionCheck) { ctx.LoadNullRef(); }
                    else { ctx.CopyValue(); }
                }
                ctx.LoadReaderWriter();
                ctx.EmitCall(rwType.GetMethod("StartSubItem"));
                ctx.StoreValue(token);

                // note: value already on the stack
                ctx.LoadReaderWriter();                
                ctx.EmitCall(method);
                // handle inheritance (we will be calling the *base* version of things,
                // but we expect Read to return the "type" type)
                if (read && type != method.ReturnType) ctx.Cast(this.type);
                ctx.LoadValue(token);
                
                ctx.LoadReaderWriter();
                ctx.EmitCall(rwType.GetMethod("EndSubItem"));
            }            
            return true;
#endif
        }
예제 #9
0
        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
                    }
                }
            }

        }
        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
					}
				}
			}
        }
예제 #11
0
        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 (Helpers.IsValueType(expectedType))
                {
                    ctx.LoadAddress(valOrNull, expectedType);
                    ctx.LoadValue(expectedType.GetProperty("HasValue"));
                }
                else
                {
                    ctx.LoadValue(valOrNull);
                }
                Compiler.CodeLabel @end = ctx.DefineLabel();
                ctx.BranchIfFalse(@end, false);
                if (Helpers.IsValueType(expectedType))
                {
                    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"));
            }
        }
예제 #12
0
 void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     if (!EmitDedicatedMethod(ctx, valueFrom, false))
     {
         ctx.LoadValue(valueFrom);
         if (type.IsValueType) ctx.CastToObject(type);
         ctx.LoadValue(key);
         ctx.LoadReaderWriter();
         ctx.EmitCall(typeof(ProtoWriter).GetMethod(recursionCheck ?  "WriteObject" : "WriteRecursionSafeObject"));
     }
 }
        public void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
        {
        	Compiler.CodeLabel @end = ctx.DefineLabel();

        	using (Compiler.Local value = ctx.GetLocalWithValue(ctor.DeclaringType, valueFrom))
            {
				if (!baseTupleAsReference && asReference)
				{
					using (Compiler.Local existing = new Compiler.Local(ctx, typeof(bool)))
					using (Compiler.Local tupleKey = new Compiler.Local(ctx, typeof(int)))
					{
						//int tupleKey = dest.NetCache.AddObjectKey(value, out existing);
						ctx.LoadReaderWriter();
						ctx.LoadValue(typeof(ProtoWriter).GetProperty("NetCache"));
						ctx.LoadValue(value);
						ctx.CastToObject(ctor.DeclaringType); // HACK : doesn't seem to get boxed from ctx.GetLocalWithValue
						ctx.LoadAddress(existing, typeof(bool));
						ctx.EmitCall(typeof(NetObjectCache).GetMethod("AddObjectKey", new Type[] { typeof(object), typeof(bool).MakeByRefType() }));
						ctx.StoreValue(tupleKey);

						//ProtoWriter.WriteUInt32(existing ? (uint) tupleKey : 0, dest);
						Compiler.CodeLabel @continueBranch = ctx.DefineLabel();
						ctx.LoadValue(0);
						ctx.LoadValue(existing);
						ctx.BranchIfFalse(@continueBranch, true);
						ctx.DiscardValue();
						ctx.LoadValue(tupleKey);
						//ctx.CastToObject(typeof(uint));
						ctx.MarkLabel(@continueBranch);
						ctx.LoadReaderWriter();
						ctx.EmitCall(typeof(ProtoWriter).GetMethod("WriteUInt32"));

						//if (existing) { return; }
						ctx.LoadValue(existing);
						ctx.BranchIfTrue(@end, false);
					}
				}

                for (int i = 0; i < tails.Length; i++)
                {
                    Type type = GetMemberType(i);
                    ctx.LoadAddress(value, ExpectedType);
                    switch(members[i].MemberType)
                    {
                        case MemberTypes.Field:
                            ctx.LoadValue((FieldInfo)members[i]);
                            break;
                        case MemberTypes.Property:
                            ctx.LoadValue((PropertyInfo)members[i]);
                            break;
                    }
                    ctx.WriteNullCheckedTail(type, tails[i], null);
                }
            }

			if (forceIssueFakeHeader)
			{
				ctx.LoadReaderWriter();
				ctx.EmitCall(typeof(ProtoWriter).GetMethod("WriteEndGroupFieldHeaderHack"));
			}

			ctx.MarkLabel(@end);
        }
예제 #14
0
 void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     TypeCode typeCode = GetTypeCode();
     if (map == null)
     {
         ctx.LoadValue(valueFrom);
         ctx.ConvertToInt32(typeCode);
         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].Value);
                 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(typeof(ProtoWriter).GetMethod("ThrowEnumException"));
             ctx.MarkLabel(@continue);
         }
     }
     
 }
예제 #15
0
 void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     if (!EmitDedicatedMethod(ctx, valueFrom, true))
     {
         ctx.LoadValue(valueFrom);
         if (type.IsValueType) ctx.CastToObject(type);
         ctx.LoadValue(ctx.MapMetaKeyToCompiledKey(key)); // re-map for formality, but would expect identical, else dedicated method
         ctx.LoadReaderWriter();
         ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("ReadObject"));
         ctx.CastFromObject(type);
     }
 }
예제 #16
0
        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];
                        if (ser.ExpectedType != forType)
                        {
                            Compiler.CodeLabel ifMatch = ctx.DefineLabel(), nextTest = ctx.DefineLabel();
                            ctx.LoadValue(loc);
                            ctx.TryCast(ser.ExpectedType);
                            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, typeof(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(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(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(typeof(object).GetMethod("GetType"));
                    ctx.EmitCall(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(typeof(ProtoWriter).GetMethod("AppendExtensionData"));
                }
                // post-callbacks
                EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.AfterSerialize);
            }
        }
예제 #17
0
        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);
            }
        }
예제 #18
0
        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
                bool callNoteObject = true;
                if (!useConstructor)
                {   // DataContractSerializer style
                    ctx.LoadValue(constructType);
                    ctx.EmitCall(typeof(BclHelpers).GetMethod("GetUninitializedObject"));
                    ctx.Cast(forType);
                }
                else if (constructType.IsClass && hasConstructor)
                {   // XmlSerializer style
                    ctx.EmitCtor(constructType);
                }
                else
                {
                    ctx.LoadValue(type);
                    ctx.EmitCall(typeof(TypeModel).GetMethod("ThrowCannotCreateInstance",
                        BindingFlags.Static | BindingFlags.Public));
                    ctx.LoadNullRef();
                    callNoteObject = false;
                }
                if (callNoteObject)
                {
                // track root object creation
                ctx.CopyValue();
                ctx.LoadReaderWriter();
                ctx.EmitCall(typeof(ProtoReader).GetMethod("NoteObject",
                        BindingFlags.Static | BindingFlags.Public));
                }
                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);
            }
        }
예제 #19
0
 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 EmitReadArray(Compiler.CompilerContext ctx, Compiler.Local list, Compiler.Local oldArr,
    	                           Compiler.Local newArr, IProtoSerializer tail, MethodInfo add, Type listType)
		{
			Compiler.CodeLabel readPacked = packedWireType == WireType.None ? new Compiler.CodeLabel() : ctx.DefineLabel();
    		Compiler.CodeLabel @end = ctx.DefineLabel();
			
			if (packedWireType != WireType.None)
			{
				ctx.LoadReaderWriter();
				ctx.LoadValue(typeof(ProtoReader).GetProperty("WireType"));
				ctx.LoadValue((int)WireType.String);
				ctx.BranchIfEqual(readPacked, false);
			}

			using (Compiler.Local fieldNumber = new Compiler.Local(ctx, typeof(int)))
			{
				// int fieldNumber = source.FieldNumber;
				ctx.LoadReaderWriter();
				ctx.LoadValue(typeof (ProtoReader).GetProperty("FieldNumber"));
				ctx.StoreValue(fieldNumber);

				using (Compiler.Local readObject = new Compiler.Local(ctx, typeof (bool)))
				using (Compiler.Local arrayKey = new Compiler.Local(ctx, typeof (int)))
				{
					// bool readObject = true;
					ctx.LoadValue(true);
					ctx.StoreValue(readObject);

					// value = value ?? Array.CreateInstance(itemType, 0);
                    Compiler.CodeLabel @endCreateInstance = ctx.DefineLabel();

                    ctx.LoadValue(oldArr);
                    ctx.LoadNullRef();
                    ctx.TestEqual();
                    ctx.BranchIfFalse(@endCreateInstance, true);

                    ctx.LoadValue(itemType);
                    ctx.LoadValue(0);
                    ctx.EmitCall(typeof(Array).GetMethod("CreateInstance", new Type[] { typeof(Type), typeof(int) }));
                    ctx.StoreValue(oldArr);

                    ctx.MarkLabel(@endCreateInstance);                    

					if (AsReference)
					{
                        using (Compiler.Local objectKey = new Compiler.Local(ctx, typeof(int)))
                        {
                            //int objectKey = source.ReadInt32();
                            ctx.LoadReaderWriter();
                            ctx.EmitCall(typeof(ProtoReader).GetMethod("ReadInt32"));
                            ctx.StoreValue(objectKey);

                            Compiler.CodeLabel @ifNotThere = ctx.DefineLabel();
                            Compiler.CodeLabel @endIf = ctx.DefineLabel();

                            //if (objectKey > 0)
                            ctx.LoadValue(objectKey);
                            ctx.LoadValue(0);
                            ctx.BranchIfLessOrEqual(@ifNotThere, true);

                            // value = source.NetCache.GetKeyedObject(objectKey);
                            ctx.LoadReaderWriter();
                            ctx.LoadValue(typeof(ProtoReader).GetProperty("NetCache"));
                            ctx.LoadValue(objectKey);
                            ctx.EmitCall(typeof(NetObjectCache).GetMethod("GetKeyedObject"));
                            ctx.StoreValue(oldArr);

                            //readObject = false;
                            ctx.LoadValue(false);
                            ctx.StoreValue(readObject);

                            //}
                            ctx.Branch(@endIf, true);

                            //else
                            ctx.MarkLabel(@ifNotThere);

                            //bool dummy;
                            //arrayKey = source.NetCache.AddObjectKey(value, out dummy);
                            using (Compiler.Local dummy = new Compiler.Local(ctx, typeof(bool)))
                            {
                                ctx.LoadReaderWriter();
                                ctx.LoadValue(typeof(ProtoReader).GetProperty("NetCache"));
                                ctx.LoadValue(oldArr);
                                ctx.LoadAddress(dummy, typeof(bool));
                                ctx.EmitCall(typeof(NetObjectCache).GetMethod("AddObjectKey", new Type[] { typeof(object), typeof(bool).MakeByRefType() }));
                                ctx.StoreValue(arrayKey);
                            }

                            ctx.MarkLabel(@endIf);
                        }
					}
					else
					{
                        using (Compiler.Local readValue = new Compiler.Local(ctx, typeof(int)))
                        {
                            ctx.LoadReaderWriter();
                            ctx.EmitCall(typeof(ProtoReader).GetMethod("ReadInt32"));
                            ctx.StoreValue(readValue);

                            Compiler.CodeLabel @codeContinues = ctx.DefineLabel();

                            ctx.LoadValue(readValue);
                            ctx.LoadValue(0);
                            ctx.BranchIfEqual(@codeContinues, true);

                            ctx.LoadValue(oldArr);
                            ctx.Branch(@end, false);

                            ctx.MarkLabel(@codeContinues);
                        }
					}

					/*
						if (readObject)
						{
							while (source.TryReadFieldHeader(field)) 
							{
								list.Add(Tail.Read(null, source));
							}
					*/
					Compiler.CodeLabel @finishRead = ctx.DefineLabel();

					ctx.LoadValue(readObject);
					ctx.BranchIfFalse(@finishRead, false);

					Compiler.CodeLabel @beginWhileLoop = ctx.DefineLabel();
					Compiler.CodeLabel @endWhileLoop = ctx.DefineLabel();
					ctx.MarkLabel(@beginWhileLoop);

					ctx.LoadReaderWriter();
					ctx.LoadValue(fieldNumber);
					ctx.EmitCall(typeof (ProtoReader).GetMethod("TryReadFieldHeader"));
					ctx.BranchIfFalse(@endWhileLoop, false);

					ListDecorator.EmitReadAndAddItem(ctx, list, tail, add, null);

					ctx.Branch(@beginWhileLoop, false);
					ctx.MarkLabel(@endWhileLoop);

					// Array newArray = Array.CreateInstance(itemType, list.Count);
					ctx.LoadValue(itemType);
					ctx.LoadValue(list);
					ctx.LoadValue(listType.GetProperty("Count"));
					ctx.EmitCall(typeof(Array).GetMethod("CreateInstance", new Type[] { typeof(Type), typeof(int) }));
					ctx.StoreValue(newArr);

					// list.CopyTo(newArray, 0);
					ctx.LoadValue(list);
					ctx.LoadValue(newArr);
					ctx.LoadValue(0);
                    ctx.EmitCall(listType.GetMethod("CopyTo", new Type[] { ExpectedType, typeof(int) }));

					if (AsReference)
					{
                        //source.NetCache.UpdateKeyedObject(arrayKey, value, newArray);
                        ctx.LoadReaderWriter();
                        ctx.LoadValue(typeof(ProtoReader).GetProperty("NetCache"));
                        ctx.LoadValue(arrayKey);
                        ctx.LoadValue(oldArr);
                        ctx.LoadValue(newArr);
                        ctx.EmitCall(typeof(NetObjectCache).GetMethod("UpdateKeyedObject"));
					}

					//value = newArray;
					ctx.LoadValue(newArr);
					ctx.StoreValue(oldArr);

					ctx.MarkLabel(@finishRead);
					
					ctx.LoadValue(oldArr);

					ctx.MarkLabel(@end);
				}
			}

			if (packedWireType != WireType.None)
			{
				Compiler.CodeLabel allDone = ctx.DefineLabel();
				ctx.Branch(allDone, false);
				ctx.MarkLabel(readPacked);

				ctx.LoadReaderWriter();
				ctx.EmitCall(typeof (ProtoReader).GetMethod("StartSubItem"));

				Compiler.CodeLabel testForData = ctx.DefineLabel(), noMoreData = ctx.DefineLabel();
				ctx.MarkLabel(testForData);
				ctx.LoadValue((int) packedWireType);
				ctx.LoadReaderWriter();
				ctx.EmitCall(typeof (ProtoReader).GetMethod("HasSubValue"));
				ctx.BranchIfFalse(noMoreData, false);

				ListDecorator.EmitReadAndAddItem(ctx, list, tail, add, null);
				ctx.Branch(testForData, false);

				ctx.MarkLabel(noMoreData);
				ctx.LoadReaderWriter();
				ctx.EmitCall(typeof (ProtoReader).GetMethod("EndSubItem"));

				EmitReadEndPacked(ctx, list, oldArr, newArr, listType);

				ctx.MarkLabel(allDone);
			}
		}
 void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     if (!EmitDedicatedMethod(ctx, valueFrom, true))
     {
         ctx.LoadValue(valueFrom);
         if (type.IsValueType) ctx.CastToObject(type);
         ctx.LoadValue(key);
         ctx.LoadReaderWriter();
         ctx.EmitCall(typeof(ProtoReader).GetMethod("ReadObject"));
         ctx.CastFromObject(type);
     }
 }
예제 #22
0
 void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     if (!EmitDedicatedMethod(ctx, valueFrom, false))
     {
         ctx.LoadValue(valueFrom);
         if (Helpers.IsValueType(type)) ctx.CastToObject(type);
         ctx.LoadValue(ctx.MapMetaKeyToCompiledKey(key)); // re-map for formality, but would expect identical, else dedicated method
         ctx.LoadReaderWriter();
         ctx.EmitCall(Helpers.GetStaticMethod(ctx.MapType(typeof(ProtoWriter)), recursionCheck ?  "WriteObject" : "WriteRecursionSafeObject", new Type[] { ctx.MapType(typeof(object)), ctx.MapType(typeof(int)), ctx.MapType(typeof(ProtoWriter)) }));
     }
 }