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C# Compiler.CopyValue方法代码示例

本文整理汇总了C#中Compiler.CopyValue方法的典型用法代码示例。如果您正苦于以下问题:C# Compiler.CopyValue方法的具体用法?C# Compiler.CopyValue怎么用?C# Compiler.CopyValue使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Compiler的用法示例。


在下文中一共展示了Compiler.CopyValue方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: EmitRead

        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
            }
        }
开发者ID:gezidan,项目名称:ZYSOCKET,代码行数:60,代码来源:NullDecorator.cs

示例2: EmitDedicatedMethod

        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;
        }
开发者ID:martindevans,项目名称:DistributedServiceProvider,代码行数:30,代码来源:SubItemSerializer.cs

示例3: EmitRead

        protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
        {

            bool writeValue;
            SanityCheck(property, Tail, out writeValue, ctx.NonPublic);
            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
            }
            ctx.ReadNullCheckedTail(property.PropertyType, Tail, null); // stack is [old-addr]|[new-value]
            
            if (writeValue)
            {   // stack is old-addr|new-value
                ctx.StoreValue(property);
            }
            else
            { // don't want return value; drop it if anything there
                // stack is [new-value]
                if (Tail.ReturnsValue) { ctx.DiscardValue(); }
            }
        }
开发者ID:AugustoAngeletti,项目名称:blockspaces,代码行数:32,代码来源:PropertyDecorator.cs

示例4: EmitRead

        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();
                }
            }
        }
开发者ID:Rasarack,项目名称:SteamBot,代码行数:43,代码来源:FieldDecorator.cs

示例5: EmitRead

 protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
 {
     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(typeof(Uri), typeof(string));
     ctx.MarkLabel(@end);
     
 }
开发者ID:Rasarack,项目名称:SteamBot,代码行数:15,代码来源:UriDecorator.cs

示例6: EmitRead

 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);
         // stack is now the return value
         ctx.StoreValue(field);
     }
 }
开发者ID:AugustoAngeletti,项目名称:blockspaces,代码行数:16,代码来源:FieldDecorator.cs

示例7: EmitWrite

 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);
 }
开发者ID:Ribosome2,项目名称:protobuf-net-1,代码行数:21,代码来源:DefaultValueDecorator.cs

示例8: EmitRead


//.........这里部分代码省略.........
                    {
                        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
                    }
                }
            }

        }
开发者ID:GeorchW,项目名称:protobuf-net,代码行数:101,代码来源:TupleSerializer.cs

示例9: EmitRead

        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(); }
            }
        }
开发者ID:tsuixl,项目名称:Frame,代码行数:61,代码来源:PropertyDecorator.cs

示例10: EmitRead


//.........这里部分代码省略.........

						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"));
开发者ID:JayCap,项目名称:Protobuf-net-Patch-and-T4-TypeModel-Generator,代码行数:67,代码来源:TupleSerializer.cs

示例11: EmitDedicatedMethod

        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
        }
开发者ID:tsuixl,项目名称:Frame,代码行数:35,代码来源:SubItemSerializer.cs

示例12: EmitInvokeCallback

 void IProtoTypeSerializer.EmitCallback(Compiler.CompilerContext ctx, Compiler.Local valueFrom, TypeModel.CallbackType callbackType)
 {
     Helpers.DebugAssert(((IProtoTypeSerializer)this).HasCallbacks(callbackType), "Shouldn't be calling this if there is nothing to do");
     MethodInfo method = callbacks == null ? null : callbacks[callbackType];
     ctx.LoadValue(valueFrom);
     EmitInvokeCallback(ctx, method);
     Compiler.CodeLabel @break = ctx.DefineLabel();
     if (CanHaveInheritance)
     {
         for (int i = 0; i < serializers.Length; i++)
         {
             IProtoSerializer ser = serializers[i];
             IProtoTypeSerializer typeser;
             if (ser.ExpectedType != forType && (typeser = (IProtoTypeSerializer)ser).HasCallbacks(callbackType))
             {
                 Compiler.CodeLabel ifMatch = ctx.DefineLabel(), nextTest = ctx.DefineLabel();
                 ctx.CopyValue();
                 ctx.TryCast(ser.ExpectedType);
                 ctx.CopyValue();
                 ctx.BranchIfTrue(ifMatch, true);
                 ctx.DiscardValue();
                 ctx.Branch(nextTest, false);
                 ctx.MarkLabel(ifMatch);
                 typeser.EmitCallback(ctx, null, callbackType);
                 ctx.Branch(@break, false);
                 ctx.MarkLabel(nextTest);
             }
         }
     }
     ctx.MarkLabel(@break);
     ctx.DiscardValue();
 }
开发者ID:helios57,项目名称:anrl,代码行数:32,代码来源:TypeSerializer.cs

示例13: using

        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);
            }
        }
开发者ID:helios57,项目名称:anrl,代码行数:87,代码来源:TypeSerializer.cs

示例14: EmitCreateIfNull

        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);
            }
        }
开发者ID:helios57,项目名称:anrl,代码行数:47,代码来源:TypeSerializer.cs

示例15: EmitReadEndPacked

		private void EmitReadEndPacked(Compiler.CompilerContext ctx, Compiler.Local list, Compiler.Local oldArr,
										Compiler.Local newArr, Type listType)
		{
			// leave this "using" here, as it can share the "FieldNumber" local with EmitReadList
			using(Compiler.Local oldLen = AppendToCollection ? new ProtoBuf.Compiler.Local(ctx, typeof(int)) : null) {
				Type[] copyToArrayInt32Args = new Type[] { typeof(Array), 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] = typeof(Array);
					copyTo = listType.GetMethod("CopyTo", copyToArrayInt32Args);
				}
				ctx.EmitCall(copyTo);
			}

			ctx.LoadValue(newArr);
		}
开发者ID:JayCap,项目名称:Protobuf-net-Patch-and-T4-TypeModel-Generator,代码行数:58,代码来源:ArrayDecorator.cs


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