public Authority(MethodInfo method)
{
this.method = method;
if (method is DynamicMethod)
{
var resolver = typeof(DynamicMethod).GetField("m_resolver", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(method);
if (resolver == null)
{
throw new ArgumentException("The dynamic method's IL has not been finalized.");
}
tokenResolver = Delegate.CreateDelegate(typeof(Resolve), resolver, resolver.GetType().GetMethod("ResolveToken", BindingFlags.Instance | BindingFlags.NonPublic)) as Resolve;
stringResolver = Delegate.CreateDelegate(typeof(Func <int, string>), resolver, resolver.GetType().GetMethod("GetStringLiteral", BindingFlags.Instance | BindingFlags.NonPublic)) as Func <int, string>;
signatureResolver = Delegate.CreateDelegate(typeof(Func <int, int, byte[]>), resolver, resolver.GetType().GetMethod("ResolveSignature", BindingFlags.Instance | BindingFlags.NonPublic)) as Func <int, int, byte[]>;
getTypeFromHandleUnsafe = Delegate.CreateDelegate(typeof(GetTypeFromHandleUnsafe), typeof(Type).GetMethod("GetTypeFromHandleUnsafe", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { typeof(IntPtr) }, null)) as GetTypeFromHandleUnsafe;
var runtimeType = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeType");
var runtimeMethodHandleInternal = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeMethodHandleInternal");
getMethodBase = runtimeType.GetMethod("GetMethodBase", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { runtimeType, runtimeMethodHandleInternal }, null);
runtimeMethodHandleInternalCtor = runtimeMethodHandleInternal.GetConstructor(BindingFlags.Instance | BindingFlags.NonPublic, null, new[] { typeof(IntPtr) }, null);
var runtimeFieldInfoStub = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeFieldInfoStub");
runtimeFieldHandleStubCtor = runtimeFieldInfoStub.GetConstructor(BindingFlags.Instance | BindingFlags.Public, null, new[] { typeof(IntPtr), typeof(object) }, null);
getFieldInfo = runtimeType.GetMethod("GetFieldInfo", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { runtimeType, typeof(RuntimeTypeHandle).Assembly.GetType("System.IRuntimeFieldInfo") }, null);
}
else
{
}
}
public DynamicMethodTokenResolver(DynamicMethod dynamicMethod)
{
var resolverField = typeof(DynamicMethod).GetField(
"m_resolver", BindingFlags.Instance | BindingFlags.NonPublic);
var resolver = resolverField?.GetValue(dynamicMethod);
if (resolver == null)
{
throw new ArgumentException("The dynamic method's IL has not been finalized.");
}
tokenResolver = (TokenResolver)resolver.GetType()
.GetMethod("ResolveToken", BindingFlags.Instance | BindingFlags.NonPublic)
.CreateDelegate(typeof(TokenResolver), resolver);
stringResolver = (StringResolver)resolver.GetType().GetMethod("GetStringLiteral", BindingFlags.Instance | BindingFlags.NonPublic).CreateDelegate(typeof(StringResolver), resolver);
signatureResolver = (SignatureResolver)resolver.GetType().GetMethod("ResolveSignature", BindingFlags.Instance | BindingFlags.NonPublic).CreateDelegate(typeof(SignatureResolver), resolver);
getTypeFromHandleUnsafe = (GetTypeFromHandleUnsafe)typeof(Type).GetMethod("GetTypeFromHandleUnsafe", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { typeof(IntPtr) }, null).CreateDelegate(typeof(GetTypeFromHandleUnsafe), null);
var runtimeType = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeType");
var runtimeMethodHandleInternal = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeMethodHandleInternal");
getMethodBase = runtimeType.GetMethod("GetMethodBase", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { runtimeType, runtimeMethodHandleInternal }, null);
runtimeMethodHandleInternalCtor = runtimeMethodHandleInternal.GetConstructor(BindingFlags.Instance | BindingFlags.NonPublic, null, new[] { typeof(IntPtr) }, null);
var runtimeFieldInfoStub = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeFieldInfoStub");
runtimeFieldHandleStubCtor = runtimeFieldInfoStub.GetConstructor(BindingFlags.Instance | BindingFlags.Public, null, new[] { typeof(IntPtr), typeof(object) }, null);
getFieldInfo = runtimeType.GetMethod("GetFieldInfo", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { runtimeType, typeof(RuntimeTypeHandle).Assembly.GetType("System.IRuntimeFieldInfo") }, null);
}
public DynamicMethodTokenResolver(DynamicMethod dynamicMethod)
{
object resolver = typeof(DynamicMethod).GetField("m_resolver", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(dynamicMethod);
_tokenResolver = (TokenResolver)resolver.GetType().GetMethod("_resolveToken", BindingFlags.Instance | BindingFlags.NonPublic).CreateDelegate(typeof(TokenResolver), resolver);
_stringResolver = (StringResolver)resolver.GetType().GetMethod("GetStringLiteral", BindingFlags.Instance | BindingFlags.NonPublic).CreateDelegate(typeof(StringResolver), resolver);
_signatureResolver = (SignatureResolver)resolver.GetType().GetMethod("ResolveSignature", BindingFlags.Instance | BindingFlags.NonPublic).CreateDelegate(typeof(SignatureResolver), resolver);
_getTypeFromHandleUnsafe = (GetTypeFromHandleUnsafe)typeof(Type).GetMethod("GetTypeFromHandleUnsafe", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { typeof(IntPtr) }, null).CreateDelegate(typeof(GetTypeFromHandleUnsafe), null);
Type runtimeType = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeType");
Type runtimeMethodHandleInternal = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeMethodHandleInternal");
_getMethodBase = runtimeType.GetMethod("GetMethodBase", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { runtimeType, runtimeMethodHandleInternal }, null);
_runtimeMethodHandleInternalCtor = runtimeMethodHandleInternal.GetConstructor(BindingFlags.Instance | BindingFlags.NonPublic, null, new[] { typeof(IntPtr) }, null);
Type runtimeFieldInfoStub = typeof(RuntimeTypeHandle).Assembly.GetType("System.RuntimeFieldInfoStub");
_runtimeFieldHandleStubCtor = runtimeFieldInfoStub.GetConstructor(BindingFlags.Instance | BindingFlags.Public, null, new[] { typeof(IntPtr), typeof(object) }, null);
_getFieldInfo = runtimeType.GetMethod("GetFieldInfo", BindingFlags.Static | BindingFlags.NonPublic, null, new[] { runtimeType, typeof(RuntimeTypeHandle).Assembly.GetType("System.IRuntimeFieldInfo") }, null);
}
