예제 #1
0
        private static Type BuildActionCallerType(string typeName, MethodInfo mi)
        {
            var  par = mi.GetParameters();
            Type actionCallerType = null;

            if (par.Length == 0)
            {
                actionCallerType = typeof(MethodInvokerAction_0);
            }
            if (par.Length == 1)
            {
                actionCallerType = typeof(MethodInvokerAction_1);
            }
            if (par.Length == 2)
            {
                actionCallerType = typeof(MethodInvokerAction_2);
            }
            if (par.Length == 3)
            {
                actionCallerType = typeof(MethodInvokerAction_3);
            }
            else
            {
                new EmitMapperException("too many method parameters");
            }

            var tb = DynamicAssemblyManager.DefineType(typeName, actionCallerType);

            MethodBuilder methodBuilder = tb.DefineMethod(
                "CallAction",
                MethodAttributes.Public | MethodAttributes.Virtual,
                null,
                Enumerable.Range(0, par.Length).Select(i => typeof(object)).ToArray()
                );

            new AstComplexNode
            {
                nodes = new List <IAstNode>
                {
                    CreateCallMethod(mi, par),
                    new AstReturnVoid()
                }
            }.Compile(new CompilationContext(methodBuilder.GetILGenerator()));

            return(tb.CreateTypeInfo());
        }
예제 #2
0
        /// <summary>
        /// Creates an instance of Mapper for collections.
        /// </summary>
        /// <param name="MapperName">Mapper name. It is used for registration in Mappers repositories.</param>
        /// <param name="mapperMannager">Mappers manager</param>
        /// <param name="TypeFrom">Source type</param>
        /// <param name="TypeTo">Destination type</param>
        /// <param name="SubMapper"></param>
        /// <returns></returns>
        public static MapperForCollectionImpl CreateInstance(
            string MapperName,
            ObjectMapperManager mapperMannager,
            Type TypeFrom,
            Type TypeTo,
            ObjectsMapperDescr SubMapper,
            IMappingConfigurator mappingConfigurator
            )
        {
            TypeBuilder tb = DynamicAssemblyManager.DefineType(
                "GenericListInv_" + MapperName,
                typeof(MapperForCollectionImpl)
                );

            if (TypeTo.IsGenericType() && TypeTo.GetGenericTypeDefinition() == typeof(List <>))
            {
                MethodBuilder methodBuilder = tb.DefineMethod(
                    "CopyToListInvoke",
                    MethodAttributes.Family | MethodAttributes.Virtual,
                    typeof(object),
                    new Type[] { typeof(IEnumerable) }
                    );

                InvokeCopyImpl(TypeTo, "CopyToList").Compile(new CompilationContext(methodBuilder.GetILGenerator()));

                methodBuilder = tb.DefineMethod(
                    "CopyToListScalarInvoke",
                    MethodAttributes.Family | MethodAttributes.Virtual,
                    typeof(object),
                    new Type[] { typeof(object) }
                    );

                InvokeCopyImpl(TypeTo, "CopyToListScalar").Compile(
                    new CompilationContext(methodBuilder.GetILGenerator())
                    );
            }

            MapperForCollectionImpl result = (MapperForCollectionImpl)Activator.CreateInstance(tb.CreateTypeInfo().AsType());

            result.Initialize(mapperMannager, TypeFrom, TypeTo, mappingConfigurator, null);
            result.subMapper = SubMapper;

            return(result);
        }
예제 #3
0
        private static Type BuildFuncCallerType(string typeName, MethodInfo mi)
        {
            var  par            = mi.GetParameters();
            Type funcCallerType = null;

            if (par.Length == 0)
            {
                funcCallerType = typeof(MethodInvokerFunc_0);
            }
            if (par.Length == 1)
            {
                funcCallerType = typeof(MethodInvokerFunc_1);
            }
            if (par.Length == 2)
            {
                funcCallerType = typeof(MethodInvokerFunc_2);
            }
            if (par.Length == 3)
            {
                funcCallerType = typeof(MethodInvokerFunc_3);
            }
            else
            {
                new EmitMapperException("too many method parameters");
            }

            var tb = DynamicAssemblyManager.DefineType(typeName, funcCallerType);

            MethodBuilder methodBuilder = tb.DefineMethod(
                "CallFunc",
                MethodAttributes.Public | MethodAttributes.Virtual,
                typeof(object),
                Enumerable.Range(0, par.Length).Select(i => typeof(object)).ToArray()
                );

            new AstReturn
            {
                returnType  = typeof(object),
                returnValue = CreateCallMethod(mi, par)
            }.Compile(new CompilationContext(methodBuilder.GetILGenerator()));

            return(tb.CreateTypeInfo());
        }