public void Precache()
{
Type type = typeof(CallModel);
DynamicMethod method = new DynamicMethod("GetString", typeof(string), new Type[] { type });
ILGenerator il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, type.GetField("Age"));
il.Emit(OpCodes.Ret);
EmitGetString = (Func <CallModel, string>)(method.CreateDelegate(typeof(Func <CallModel, string>)));
method = new DynamicMethod("GetDateTime", typeof(DateTime), new Type[] { type });
il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, type.GetField("CreateTime"));
il.Emit(OpCodes.Ret);
EmitGetDateTime = (Func <CallModel, DateTime>)(method.CreateDelegate(typeof(Func <CallModel, DateTime>)));
method = new DynamicMethod("SetDateString", null, new Type[] { type, typeof(string) });
il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Stfld, type.GetField("Age"));
il.Emit(OpCodes.Ret);
EmitSetString = (Action <CallModel, string>)(method.CreateDelegate(typeof(Action <CallModel, string>)));
method = new DynamicMethod("SetDateTime", null, new Type[] { type, typeof(DateTime) });
il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Stfld, type.GetField("CreateTime"));
il.Emit(OpCodes.Ret);
EmitSetDateTime = (Action <CallModel, DateTime>)(method.CreateDelegate(typeof(Action <CallModel, DateTime>)));
NatashaGetString = NFunc <CallModel, string> .Delegate("return arg.Age;");
NatashaGetString(OriginModel);
OriginGetString = item => item.Age;
NatashaGetDateTime = NFunc <CallModel, DateTime> .Delegate("return arg.CreateTime;");
NatashaGetDateTime(OriginModel);
OriginGetDateTime = item => item.CreateTime;
NatashaSetString = NAction <CallModel, string> .Delegate("arg1.Age=arg2;");
NatashaSetString(OriginModel, OriginModel.Age);
OriginSetString = (item, value) => item.Age = value;
NatashaSetDateTime = NDelegateOperator <ValueDelegate> .Delegate("model.CreateTime=value;");
NatashaSetDateTime(OriginModel, OriginModel.CreateTime);
OriginSetDateTime = OriginDateTime;
}
public static Action UnsafeAsyncDelegate(string content, params NamespaceConverter[] usings)
{
return(content == default ? null : NDelegateOperator <Action> .UnsafeAsyncDelegate(content, usings));
}
public static T Create <T>(this T instance, string content, params NamespaceConverter[] usings) where T : Delegate
{
return(instance = NDelegateOperator <T> .Delegate(content, usings));
}
public static Func <T> Delegate(string content, params NamespaceConverter[] usings)
{
return(content == default? null : NDelegateOperator <Func <T> > .Delegate(content, usings));
}
static void Main(string[] args)
{
if (args == null)
{
throw new ArgumentNullException(nameof(args));
}
var action = FastMethodOperator.MainDomain
.MethodBody("return 1+1;")
.Return <int>()
.Complie <Func <int> >();
action();
FakeMethodOperator.MainDomain
.UseMethod <TestB>("TestMethod")
.StaticMethodContent($@"Console.WriteLine(""Hello World!"");")
.Complie <Action>();
FakeMethodOperator.MainDomain
.UseMethod <TestB>("TestMethod")
.MethodContent($@"Console.WriteLine(""Hello World!"");")
.Complie <Action>(new TestA());
/*
* 在此之前，你需要右键，选择工程文件，在你的.csproj里面
*
* 写上这样一句浪漫的话：
*
* <PreserveCompilationContext>true</PreserveCompilationContext>
*/
ProxyOperator <TestAbstract> abstractBuilder = new ProxyOperator <TestAbstract>();
abstractBuilder.OopName("UTestClass");
abstractBuilder["GetName"] = "return Name;";
abstractBuilder["GetAge"] = "return Age;";
abstractBuilder.Compile();
var test = abstractBuilder.Create("UTestClass");
var delegate2 = NDelegateOperator <GetterDelegate> .Delegate("return value.ToString();");
Console.WriteLine(delegate2(1));
var delegate3 = "return value.ToString();".Delegate <GetterDelegate>();
var delegateConvt = FastMethodOperator.MainDomain
.Param <string>("value")
.MethodBody($@"return value==""true"" || value==""mama"";")
.Return <bool>()
.Complie <Func <string, bool> >();
Console.WriteLine(delegateConvt("mama"));
DynamicMethod method = new DynamicMethod("GetString", null, new Type[] { typeof(TestB), typeof(string) });
ILGenerator il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Stfld, typeof(TestB).GetField("Name"));
il.Emit(OpCodes.Ret);
var emitAction = (Action <TestB, string>)(method.CreateDelegate(typeof(Action <TestB, string>)));
var roslynAction = FastMethodOperator.MainDomain
.Param <TestB>("instance")
.Param <string>("value")
.MethodBody("instance.Name = value;")
.Return()
.Complie <Action <TestB, string> >();
Stopwatch stopwatch = new Stopwatch();
stopwatch.Restart();
for (int i = 0; i < 50000; i++)
{
var tEntity = new TestB();
roslynAction(tEntity, "abc");
}
stopwatch.Stop();
Console.WriteLine("Roslyn:\t" + stopwatch.Elapsed);
stopwatch.Restart();
for (int i = 0; i < 50000; i++)
{
var tEntity = new TestB();
emitAction(tEntity, "abc");
}
stopwatch.Stop();
Console.WriteLine("Emit:\t" + stopwatch.Elapsed);
stopwatch.Restart();
for (int i = 0; i < 50000; i++)
{
var tEntity = new TestB();
roslynAction(tEntity, "abc");
}
stopwatch.Stop();
Console.WriteLine("Roslyn:\t" + stopwatch.Elapsed);
stopwatch.Restart();
for (int i = 0; i < 50000; i++)
{
var tEntity = new TestB();
emitAction(tEntity, "abc");
}
stopwatch.Stop();
Console.WriteLine("Emit:\t" + stopwatch.Elapsed);
Console.ReadKey();
}
public static T Delegate <T>(this string instance, params NamespaceConverter[] types) where T : Delegate
{
return(NDelegateOperator <T> .Delegate(instance, types));
}