private static ControllerCompilation Compile <T>(ServiceDef servicedef)
{
if (!compiledtypes.TryGetValue(typeof(T), out ControllerCompilation wrapper))
{
Type t = typeof(T);
var assemblyname = new AssemblyName(Guid.NewGuid().ToString());
var assemblyBuilder = AssemblyBuilder.DefineDynamicAssembly(assemblyname, AssemblyBuilderAccess.Run);
ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule("MainModule");
TypeBuilder typeBuilder = moduleBuilder.DefineType($"{t.FullName}Controller"
, TypeAttributes.Public |
TypeAttributes.Class |
TypeAttributes.AutoClass |
TypeAttributes.AnsiClass |
TypeAttributes.BeforeFieldInit |
TypeAttributes.AutoLayout
, typeof(ControllerBase));
foreach (var a in t.GetCustomAttributes(true))
{
if (a is RouteAttribute)
{
var ca = new CustomAttributeBuilder(a.GetType().GetConstructor(new Type[] { typeof(string) }), new object[] { (a as RouteAttribute).Template });
typeBuilder.SetCustomAttribute(ca);
}
}
var _services = typeBuilder.DefineField("_services", typeof(ISimpleServicesFactory), FieldAttributes.Private);
{
ConstructorBuilder cb = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, new Type[] { typeof(ISimpleServicesFactory) });
var il = cb.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Call, typeof(ControllerBase).GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, Type.EmptyTypes, null));
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Stfld, _services);
il.Emit(OpCodes.Ret);
}
var mm = servicedef.Methods;
for (int nit = 0; nit < mm.Length; nit++)
{
var m = mm[nit].MethodInfo;
// var pp = m.GetParameters();
var mb = typeBuilder.DefineMethod(m.Name, MethodAttributes.Public /*| MethodAttributes.Virtual*/, typeof(IActionResult), new Type[0] /* pp.Select(_p => _p.ParameterType).ToArray() */);
var il = mb.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, _services);
il.Emit(OpCodes.Ldarg_0);
var mi = typeof(ISimpleServicesFactory).GetMethods().Single(_m => _m.Name == "CheckRequest" && _m.GetGenericArguments().Length == 1);
var mi2 = mi.MakeGenericMethod(typeof(T));
il.Emit(OpCodes.Callvirt, mi2);
// il.Emit(OpCodes.Ldstr, "info");
// il.Emit(OpCodes.Newobj, typeof(OkObjectResult).GetConstructor(new Type[] { typeof(object) }));
// il.Emit(OpCodes.Stloc_0);
// il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Ret);
}
var info = typeBuilder.CreateTypeInfo();
var type = info.AsType();
wrapper = new ControllerCompilation()
{
Type = type,
Methods = mm
};
compiledtypes[typeof(T)] = wrapper;
}
return(wrapper);
}
private static ControllerCompilation Compile2(ServiceDef servicedef, Type t) // PROTO4
{
if (!compiledtypes.TryGetValue(t, out ControllerCompilation wrapper))
{
var assemblyname = new AssemblyName(Guid.NewGuid().ToString());
var assemblyBuilder = AssemblyBuilder.DefineDynamicAssembly(assemblyname, AssemblyBuilderAccess.Run);
ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule("MainModule");
TypeBuilder typeBuilder = moduleBuilder.DefineType($"{t.FullName}Controller"
, TypeAttributes.Public |
TypeAttributes.Class |
TypeAttributes.AutoClass |
TypeAttributes.AnsiClass |
TypeAttributes.BeforeFieldInit |
TypeAttributes.AutoLayout
, typeof(Internals.ServiceControllerBase));
foreach (var a in t.GetCustomAttributes(true))
{
if (a is RouteAttribute)
{
var ca = new CustomAttributeBuilder(a.GetType().GetConstructor(new Type[] { typeof(string) }), new object[] { (a as RouteAttribute).Template });
typeBuilder.SetCustomAttribute(ca);
}
if (a is AuthorizeAttribute)
{
var aa = a as AuthorizeAttribute;
var ca = new CustomAttributeBuilder(a.GetType().GetConstructor(new Type[0]), new object[0],
new PropertyInfo[] { a.GetType().GetProperty("Policy"), a.GetType().GetProperty("Roles"), a.GetType().GetProperty("AuthenticationSchemes") },
new object[] { aa.Policy, aa.Roles, aa.AuthenticationSchemes });
typeBuilder.SetCustomAttribute(ca);
}
if (a is AllowAnonymousAttribute)
{
var aa = a as AllowAnonymousAttribute;
var ca = new CustomAttributeBuilder(a.GetType().GetConstructor(new Type[0]), new object[0]);
typeBuilder.SetCustomAttribute(ca);
}
}
var oc = t.GetConstructors().SingleOrDefault();
var pp = oc.GetParameters();
// var _services = typeBuilder.DefineField("_services", typeof(ISimpleServicesFactory), FieldAttributes.Private);
var _controller = typeBuilder.DefineField("_controller", t, FieldAttributes.Private);
{
var _methods = typeof(Internals.ServiceControllerBase).GetField("_methods", BindingFlags.NonPublic | BindingFlags.Instance);
ConstructorBuilder cb = typeBuilder.DefineConstructor(MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.SpecialName, CallingConventions.Standard, pp.Select(_p => _p.ParameterType).ToArray());
var il = cb.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Call, typeof(Internals.ServiceControllerBase).GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, Type.EmptyTypes, null));
il.Emit(OpCodes.Ldarg_0);
for (int nit = 0; nit < pp.Length; nit++)
{
LdArg(il, nit + 1);
}
il.Emit(OpCodes.Newobj, t.GetConstructors().Single());
il.Emit(OpCodes.Stfld, _controller);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldtoken, t);
il.Emit(OpCodes.Call, typeof(Type).GetMethod("GetTypeFromHandle", BindingFlags.Public | BindingFlags.Static));
il.Emit(OpCodes.Call, typeof(SimpleServicesFactory).GetMethod("GetMethods", new Type[] { typeof(Type) }));
il.Emit(OpCodes.Stfld, _methods);
il.Emit(OpCodes.Ret);
}
// ConstructorBuilder cb2 = typeBuilder.DefineConstructor(MethodAttributes.Public | MethodAttributes.Static | MethodAttributes.HideBySig | MethodAttributes.SpecialName, CallingConventions.Standard, new Type[0]);
// var ils = cb2.GetILGenerator();
var mm = SimpleServicesFactory.GetMethods(t);
var done = Enumerable.Repeat(false, mm.Length).ToArray();
for (int nit = 0; nit < mm.Length; nit++)
{
if (!done[nit])
{
var themethods = mm.Skip(nit).Where(_m => mm[nit].Contract.Name == _m.Contract.Name).OrderBy(_m => _m.Order).ToArray();
var getm = themethods.Where(_m => _m.Get).ToArray();
var postm = themethods.Where(_m => _m.Post).ToArray();
if (getm.Length > 1 || postm.Length > 1)
{
throw new AmbiguousMatchException();
}
if (getm.FirstOrDefault() == postm.FirstOrDefault())
{
var ind = Array.IndexOf(mm, getm.First());
MakeMethod(typeBuilder, null, mm, ind, _controller);
}
else
{
if (getm.Any())
{
var ind = Array.IndexOf(mm, getm.First());
MakeMethod(typeBuilder, "GET", mm, ind, _controller);
}
if (postm.Any())
{
var ind = Array.IndexOf(mm, postm.First());
MakeMethod(typeBuilder, "POST", mm, ind, _controller);
}
}
string url;// = m.MethodInfo.GetCustomAttributes<HttpMethodAttribute>().FirstOrDefault()?.Template;
// if ((url?.Length ?? 0) == 0)
{
url = mm[nit].Contract.Name;
}
/* var n = "_static" + mm[nit].Contract.Name;
* var _static = typeBuilder.DefineField(n, typeof(int[]), FieldAttributes.Static|FieldAttributes.Private);
*
* Ldc_i4_x(ils, themethods.Length);
* ils.Emit(OpCodes.Newarr, typeof(int));
* ils.Emit(OpCodes.Stsfld, _static);
*
* for (int g = 0; g < themethods.Count(); g++)
* {
* var ind = Array.IndexOf(mm, themethods.Skip(g).First());
*
* ils.Emit(OpCodes.Ldsfld, _static);
* Ldc_i4_x(ils, g);
* Ldc_i4_x(ils, ind);
* ils.Emit(OpCodes.Stelem_I4);
* done[ind] = true;
* }*/
}
}
// ils.Emit(OpCodes.Ret);
var info = typeBuilder.CreateTypeInfo();
var type = info.AsType();
wrapper = new ControllerCompilation()
{
Type = type,
Methods = servicedef.Methods
};
compiledtypes[t] = wrapper;
}
return(wrapper);
}
