private void LoadOwner(MethodGenerator g) { if (this.OwnerType.IsValueType) { g.LoadVariable(SerializationArgs.InstanceName, LoadOptions.ValueAsAddress); } else { g.LoadVariable(SerializationArgs.InstanceName); } }
private static PropertyValueMethod GenerateGetPropertyValueMethod <T>(Type objectType, string propertyName) { DynamicMethod method = new DynamicMethod(string.Format("GetPropertyValue_{0}", Guid.NewGuid().ToString("n")) , typeof(T) , new Type[] { typeof(object) } , true); MethodGenerator g = new MethodGenerator(method); var result = g.Declare <T>("result"); g.Assign(result, () => { g.LoadParameter(0); g.Cast(objectType); g.LoadMember(propertyName); }); g.LoadVariable("result"); g.Return(); var invoke = method.CreateDelegate(typeof(Func <object, T>)); return(new PropertyValueMethod(propertyName, invoke)); }
public static void ReadElement(MethodGenerator g, string dtoMemberName, Type elementType, IVariable index) { var method = typeof(IDTOReader).ResolveMethod("ReadElement", new Type[] { elementType }, MethodParameter.Create <string>(), MethodParameter.Create <int>()); var prmIndex = SerializationArgs.ReaderIndex; g.Call(method, () => { g.LoadParameter(prmIndex); g.Load(dtoMemberName); g.LoadVariable(index, LoadOptions.Default); }); }
private static CreateInstanceMethod GenerateCreateInstanceMethod(ConstructorInfo constructor) { var objectType = constructor.DeclaringType; DynamicMethod method = new DynamicMethod(string.Format("CreateInstanceByConstructor_{0}", Guid.NewGuid().ToString("n")) , typeof(object) , new Type[] { typeof(object[]) } , true); MethodGenerator g = new MethodGenerator(method); //以下代码把数组参数转成,new T(arg0,arg1)的形式 var result = g.Declare(objectType, "result"); var objs = g.Declare <object[]>(); g.Assign(objs, () => { g.LoadParameter(0); }); g.Assign(result, () => { g.NewObject(constructor, () => { var index = g.Declare <int>(); var prms = constructor.GetParameters(); for (var i = 0; i < prms.Length; i++) { g.Assign(index, () => { g.Load(i); }); g.LoadElement(objs, index); g.Cast(prms[i].ParameterType); } }); }); g.LoadVariable("result"); g.Cast(typeof(object)); g.Return(); var invoke = method.CreateDelegate(typeof(Func <object[], object>)); return(new CreateInstanceMethod(invoke)); }
private static CreateInstanceMethod GenerateCreateInstanceMethod(Type objectType) { DynamicMethod method = new DynamicMethod(string.Format("CreateInstance_{0}", Guid.NewGuid().ToString("n")) , typeof(object) , Array.Empty <Type>() , true); MethodGenerator g = new MethodGenerator(method); var result = g.Declare <object>("result"); g.Assign(result, () => { g.NewObject(objectType); g.Cast(typeof(object)); }); g.LoadVariable("result"); g.Return(); var invoke = method.CreateDelegate(typeof(Func <object>)); return(new CreateInstanceMethod(invoke)); }