/// <summary>
/// Creates a new ReflectedCaller which can be used to quickly invoke the provided MethodInfo.
/// </summary>
public static ReflectedCaller Create(MethodInfo info) {
if ((!info.IsStatic && info.DeclaringType.IsValueType) ||
info is System.Reflection.Emit.DynamicMethod) {
return new SlowReflectedCaller(info);
}
ParameterInfo[] pis = info.GetParameters();
int argCnt = pis.Length;
if (!info.IsStatic) argCnt++;
if (argCnt >= MaxHelpers) {
// no delegate for this size, fallback to reflection invoke
return new SlowReflectedCaller(info);
}
foreach (ParameterInfo pi in pis) {
if (pi.ParameterType.IsByRef) {
// we don't support ref args via generics.
return new SlowReflectedCaller(info);
}
}
// see if we've created one w/ a delegate
ReflectedCaller res;
if (ShouldCache(info)) {
lock (_cache) {
if (_cache.TryGetValue(info, out res)) {
return res;
}
}
}
// create it
try {
if (argCnt < MaxArgs) {
res = FastCreate(info, pis);
} else {
res = SlowCreate(info, pis);
}
} catch (TargetInvocationException tie) {
if (!(tie.InnerException is NotSupportedException)) {
throw;
}
res = new SlowReflectedCaller(info);
} catch (NotSupportedException) {
// if Delegate.CreateDelegate can't handle the method fallback to
// the slow reflection version. For example this can happen w/
// a generic method defined on an interface and implemented on a class.
res = new SlowReflectedCaller(info);
}
// cache it for future users if it's a reasonable method to cache
if (ShouldCache(info)) {
lock (_cache) {
_cache[info] = res;
}
}
return res;
}
/// <summary>
/// Creates a new ReflectedCaller which can be used to quickly invoke the provided MethodInfo.
/// </summary>
public static ReflectedCaller Create(MethodInfo info)
{
if ((!info.IsStatic && info.DeclaringType.IsValueType) ||
info is System.Reflection.Emit.DynamicMethod)
{
return(new SlowReflectedCaller(info));
}
ParameterInfo[] pis = info.GetParameters();
int argCnt = pis.Length;
if (!info.IsStatic)
{
argCnt++;
}
if (argCnt >= MaxHelpers)
{
// no delegate for this size, fallback to reflection invoke
return(new SlowReflectedCaller(info));
}
foreach (ParameterInfo pi in pis)
{
if (pi.ParameterType.IsByRef)
{
// we don't support ref args via generics.
return(new SlowReflectedCaller(info));
}
}
// see if we've created one w/ a delegate
ReflectedCaller res;
if (ShouldCache(info))
{
lock (_cache) {
if (_cache.TryGetValue(info, out res))
{
return(res);
}
}
}
// create it
try {
if (argCnt < MaxArgs)
{
res = FastCreate(info, pis);
}
else
{
res = SlowCreate(info, pis);
}
} catch (TargetInvocationException tie) {
if (!(tie.InnerException is NotSupportedException))
{
throw;
}
res = new SlowReflectedCaller(info);
} catch (NotSupportedException) {
// if Delegate.CreateDelegate can't handle the method fallback to
// the slow reflection version. For example this can happen w/
// a generic method defined on an interface and implemented on a class.
res = new SlowReflectedCaller(info);
}
// cache it for future users if it's a reasonable method to cache
if (ShouldCache(info))
{
lock (_cache) {
_cache[info] = res;
}
}
return(res);
}
