private static void DoEmit(DynamicTypeWrapper.FinishContext context, TypeWrapper wrapper, CodeEmitter ilgen, FieldWrapper field)
{
ConstructorBuilder cb;
bool exists;
lock (map)
{
exists = map.TryGetValue(field, out cb);
}
if (!exists)
{
// note that we don't need to lock here, because we're running as part of FinishCore, which is already protected by a lock
TypeWrapper arfuTypeWrapper = ClassLoaderWrapper.LoadClassCritical("ikvm.internal.IntrinsicAtomicReferenceFieldUpdater");
TypeBuilder tb = wrapper.TypeAsBuilder.DefineNestedType("__<ARFU>_" + field.Name + field.Signature.Replace('.', '/'), TypeAttributes.NestedPrivate | TypeAttributes.Sealed, arfuTypeWrapper.TypeAsBaseType);
EmitCompareAndSet("compareAndSet", tb, field.GetField());
EmitGet(tb, field.GetField());
EmitSet("set", tb, field.GetField());
cb = tb.DefineConstructor(MethodAttributes.Assembly, CallingConventions.Standard, Type.EmptyTypes);
lock (map)
{
map.Add(field, cb);
}
CodeEmitter ctorilgen = CodeEmitter.Create(cb);
ctorilgen.Emit(OpCodes.Ldarg_0);
MethodWrapper basector = arfuTypeWrapper.GetMethodWrapper("<init>", "()V", false);
basector.Link();
basector.EmitCall(ctorilgen);
ctorilgen.Emit(OpCodes.Ret);
context.RegisterPostFinishProc(delegate
{
arfuTypeWrapper.Finish();
tb.CreateType();
});
}
ilgen.LazyEmitPop();
ilgen.LazyEmitPop();
ilgen.LazyEmitPop();
ilgen.Emit(OpCodes.Newobj, cb);
}
internal override object[] GetFieldAnnotations(FieldWrapper fw)
{
FieldInfo fi = fw.GetField();
if (fi == null)
{
return null;
}
return fi.GetCustomAttributes(false);
}
