protected virtual void ImplementCacheInvocationCache() { MethodInfo get_ItemMethod = typeof(HybridDictionary).GetMethod("get_Item", new Type[] { typeof(object) }); MethodInfo set_ItemMethod = typeof(HybridDictionary).GetMethod("Add", new Type[] { typeof(object), typeof(object) }); Type[] args = new Type[] { typeof(ICallable), typeof(MethodInfo) }; Type[] invocation_const_args = new Type[] { typeof(ICallable), typeof(object), typeof(MethodInfo), typeof(object) }; ArgumentReference arg1 = new ArgumentReference(typeof(ICallable)); ArgumentReference arg2 = new ArgumentReference(typeof(MethodInfo)); ArgumentReference arg3 = new ArgumentReference(typeof(object)); _method2Invocation = MainTypeBuilder.CreateMethod("_Method2Invocation", new ReturnReferenceExpression(Context.Invocation), MethodAttributes.Family | MethodAttributes.HideBySig, arg1, arg2, arg3); LocalReference invocation_local = _method2Invocation.CodeBuilder.DeclareLocal(Context.Invocation); LockBlockExpression block = new LockBlockExpression(SelfReference.Self); block.AddStatement(new AssignStatement(invocation_local, new ConvertExpression(Context.Invocation, new VirtualMethodInvocationExpression(CacheField, get_ItemMethod, arg2.ToExpression())))); ConditionExpression cond1 = new ConditionExpression(OpCodes.Brfalse_S, invocation_local.ToExpression()); cond1.AddTrueStatement(new AssignStatement( invocation_local, new NewInstanceExpression(InvocationType.GetConstructor(invocation_const_args), arg1.ToExpression(), SelfReference.Self.ToExpression(), arg2.ToExpression(), arg3.ToExpression()))); cond1.AddTrueStatement(new ExpressionStatement( new VirtualMethodInvocationExpression(CacheField, set_ItemMethod, arg2.ToExpression(), invocation_local.ToExpression()))); block.AddStatement(new ExpressionStatement(cond1)); _method2Invocation.CodeBuilder.AddStatement(new ExpressionStatement(block)); _method2Invocation.CodeBuilder.AddStatement(new ReturnStatement(invocation_local)); }
protected virtual MethodInfo GenerateCallbackMethodIfNecessary(MethodInfo method, Reference invocationTarget) { if (Context.HasMixins && _interface2mixinIndex.Contains(method.DeclaringType)) { return(method); } String name = String.Format("callback__{0}", method.Name); ParameterInfo[] parameters = method.GetParameters(); ArgumentReference[] args = new ArgumentReference[parameters.Length]; for (int i = 0; i < args.Length; i++) { args[i] = new ArgumentReference(parameters[i].ParameterType); } EasyMethod easymethod = MainTypeBuilder.CreateMethod(name, new ReturnReferenceExpression(method.ReturnType), MethodAttributes.HideBySig | MethodAttributes.Public, args); Expression[] exps = new Expression[parameters.Length]; for (int i = 0; i < args.Length; i++) { exps[i] = args[i].ToExpression(); } if (invocationTarget == null) { easymethod.CodeBuilder.AddStatement( new ReturnStatement( new MethodInvocationExpression(method, exps))); } else { easymethod.CodeBuilder.AddStatement( new ReturnStatement( new MethodInvocationExpression(invocationTarget, method, exps))); } return(easymethod.MethodBuilder); }
protected virtual void ImplementGetObjectData(Type[] interfaces) { // To prevent re-implementation of this interface. _generated.Add(typeof(ISerializable)); Type[] get_type_args = new Type[] { typeof(String), typeof(bool), typeof(bool) }; Type[] key_and_object = new Type[] { typeof(String), typeof(Object) }; MethodInfo addValueMethod = typeof(SerializationInfo).GetMethod("AddValue", key_and_object); ArgumentReference arg1 = new ArgumentReference(typeof(SerializationInfo)); ArgumentReference arg2 = new ArgumentReference(typeof(StreamingContext)); EasyMethod getObjectData = MainTypeBuilder.CreateMethod("GetObjectData", new ReturnReferenceExpression(typeof(void)), arg1, arg2); LocalReference typeLocal = getObjectData.CodeBuilder.DeclareLocal(typeof(Type)); getObjectData.CodeBuilder.AddStatement(new AssignStatement( typeLocal, new MethodInvocationExpression(null, typeof(Type).GetMethod("GetType", get_type_args), new FixedReference( Context.ProxyObjectReference. AssemblyQualifiedName).ToExpression(), new FixedReference(1).ToExpression(), new FixedReference(0).ToExpression()))); getObjectData.CodeBuilder.AddStatement(new ExpressionStatement( new VirtualMethodInvocationExpression( arg1, typeof(SerializationInfo).GetMethod("SetType"), typeLocal.ToExpression()))); getObjectData.CodeBuilder.AddStatement(new ExpressionStatement( new VirtualMethodInvocationExpression(arg1, addValueMethod, new FixedReference("__interceptor"). ToExpression(), InterceptorField.ToExpression()))); getObjectData.CodeBuilder.AddStatement(new ExpressionStatement( new VirtualMethodInvocationExpression(arg1, addValueMethod, new FixedReference("__mixins"). ToExpression(), MixinField.ToExpression()))); LocalReference interfacesLocal = getObjectData.CodeBuilder.DeclareLocal(typeof(String[])); getObjectData.CodeBuilder.AddStatement( new AssignStatement(interfacesLocal, new NewArrayExpression(interfaces.Length, typeof(String)))); for (int i = 0; i < interfaces.Length; i++) { getObjectData.CodeBuilder.AddStatement(new AssignArrayStatement( interfacesLocal, i, new FixedReference(interfaces[i].AssemblyQualifiedName).ToExpression())); } getObjectData.CodeBuilder.AddStatement(new ExpressionStatement( new VirtualMethodInvocationExpression(arg1, addValueMethod, new FixedReference("__interfaces"). ToExpression(), interfacesLocal.ToExpression()))); getObjectData.CodeBuilder.AddStatement(new ExpressionStatement( new VirtualMethodInvocationExpression(arg1, addValueMethod, new FixedReference("__baseType"). ToExpression(), new TypeTokenExpression(_baseType)))); CustomizeGetObjectData(getObjectData.CodeBuilder, arg1, arg2); getObjectData.CodeBuilder.AddStatement(new ReturnStatement()); }