public static bool CanCache(this Type t)
{
// Note: we don't have to scan base or declaring types here.
// There's no way for a type in mscorlib to derive from or be
// contained in a type from another assembly. The only thing we
// need to look at is the generic arguments, which are the thing
// that allows mscorlib types to be specialized by types in other
// assemblies.
Assembly asm = t.GetTypeInfo().Assembly;
if (asm != _mscorlib)
{
// Not in mscorlib or our assembly
return false;
}
if (t.GetTypeInfo().IsGenericType)
{
foreach (Type g in t.GetGenericArguments())
{
if (!g.CanCache())
{
return false;
}
}
}
return true;
}
} internal static ParameterInfo[] GetParametersCached(this MethodBase method)
{
ParameterInfo[] pis;
lock (_ParamInfoCache) {
if (!_ParamInfoCache.TryGetValue(method, out pis))
{
pis = method.GetParameters();
Type t = method.DeclaringType;
if (t != null && TypeUtils.CanCache(t))
{
_ParamInfoCache[method] = pis;
}
}
}
return(pis);
}
