public static T GetDelegateForInvoke <T>(global::java.lang.invoke.MethodHandle h, ref InvokeCache <T> cache)
where T : class
{
#if FIRST_PASS
return(null);
#else
T del;
if (cache.Type == h.type() && (del = (h.isVarargsCollector() ? cache.varArg : cache.fixedArg)) != null)
{
return(del);
}
del = h.form.vmentry.vmtarget as T;
if (del == null)
{
global::java.lang.invoke.MethodHandle adapter = global::java.lang.invoke.MethodHandles.exactInvoker(h.type());
if (h.isVarargsCollector())
{
adapter = adapter.asVarargsCollector(h.type().parameterType(h.type().parameterCount() - 1));
}
adapter = adapter.asType(MethodHandleUtil.GetDelegateMethodType(typeof(T)));
del = GetDelegateForInvokeExact <T>(adapter);
if (cache.TrySetType(h.type()))
{
if (h.isVarargsCollector())
{
cache.varArg = del;
}
else
{
cache.fixedArg = del;
}
}
}
return(del);
#endif
}
public static T GetDelegateForInvoke <T>(global::java.lang.invoke.MethodHandle h, java.lang.invoke.MethodType realType, ref InvokeCache <T> cache)
where T : class
{
#if FIRST_PASS
return(null);
#else
T del;
if (cache.Type == h.type() && (del = (h.isVarargsCollector() ? cache.varArg : cache.fixedArg)) != null)
{
return(del);
}
del = h.form.vmentry.vmtarget as T;
if (del == null)
{
global::java.lang.invoke.MethodHandle adapter = global::java.lang.invoke.MethodHandles.exactInvoker(h.type());
if (h.isVarargsCollector())
{
adapter = adapter.asVarargsCollector(h.type().parameterType(h.type().parameterCount() - 1));
}
// if realType is set, the delegate contains erased unloadable types
if (realType != null)
{
adapter = adapter.asType(realType.insertParameterTypes(0, [email protected] <java.lang.invoke.MethodHandle> .Value)).asFixedArity();
}
adapter = adapter.asType(MethodHandleUtil.GetDelegateMethodType(typeof(T)));
del = GetDelegateForInvokeExact <T>(adapter);
if (cache.TrySetType(h.type()))
{
if (h.isVarargsCollector())
{
cache.varArg = del;
}
else
{
cache.fixedArg = del;
}
}
}
return(del);
#endif
}
public static T GetDelegateForInvoke <T>(global::java.lang.invoke.MethodHandle h, ref InvokeCache <T> cache)
where T : class
{
#if FIRST_PASS
return(null);
#else
if (cache.type == h.type() && cache.del != null)
{
return(cache.del);
}
T del = h.vmtarget as T;
if (del == null)
{
global::java.lang.invoke.MethodHandle adapter = global::java.lang.invoke.MethodHandles.exactInvoker(h.type());
if (h.isVarargsCollector())
{
adapter = adapter.asVarargsCollector(h.type().parameterType(h.type().parameterCount() - 1));
}
del = (T)adapter.asType(MethodHandleUtil.GetDelegateMethodType(typeof(T))).vmtarget;
if (Interlocked.CompareExchange(ref cache.type, h.type(), null) == null)
{
cache.del = del;
}
}
return(del);
#endif
}