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)); }
public void BlockWithLock() { EasyType typebuilder = new EasyType( module, "mytype" ); FieldReference cachefield = typebuilder.CreateField( "cache", typeof(ArrayList) ); EasyConstructor constructor = typebuilder.CreateConstructor( ); constructor.CodeBuilder.InvokeBaseConstructor(); LockBlockExpression block = new LockBlockExpression( SelfReference.Self ); block.AddStatement( new AssignStatement(cachefield, new NewInstanceExpression( typeof(ArrayList), new Type[0] ) ) ); constructor.CodeBuilder.AddStatement( new ExpressionStatement(block) ); constructor.CodeBuilder.AddStatement( new ReturnStatement() ); ReturnReferenceExpression ret = new ReturnReferenceExpression(typeof(ArrayList)); EasyMethod getCache = typebuilder.CreateMethod( "GetCache", ret ); getCache.CodeBuilder.AddStatement( new ReturnStatement( cachefield ) ); Type newType = typebuilder.BuildType(); Assert.IsNotNull( newType ); object instance = Activator.CreateInstance( newType, new object[0] ); Assert.IsNotNull( instance ); MethodInfo method = instance.GetType().GetMethod("GetCache"); Assert.IsNotNull( method.Invoke( instance, new object[0] ) ); RunPEVerify(); }