/// <summary>
/// Creates a CallSite with the given delegate type and binder.
/// </summary>
/// <param name="delegateType">The CallSite delegate type.</param>
/// <param name="binder">The CallSite binder.</param>
/// <returns>The new CallSite.</returns>
public static CallSite Create(Type delegateType, CallSiteBinder binder)
{
ContractUtils.RequiresNotNull(delegateType, nameof(delegateType));
ContractUtils.RequiresNotNull(binder, nameof(binder));
if (!delegateType.IsSubclassOf(typeof(MulticastDelegate)))
{
throw new ArgumentException("Type must be derived from System.Delegate");
}
var constructors = _siteConstructors;
if (constructors == null)
{
// It's okay to just set this, worst case we're just throwing away some data
_siteConstructors = constructors = new CacheDict <Type, Func <CallSiteBinder, CallSite> >(100);
}
if (constructors.TryGetValue(delegateType, out var ctor))
{
return(ctor(binder));
}
var method = typeof(CallSite <>).MakeGenericType(delegateType).GetMethod(nameof(Create));
ctor = (Func <CallSiteBinder, CallSite>)method.CreateDelegate(typeof(Func <CallSiteBinder, CallSite>));
constructors.Add(delegateType, ctor);
return(ctor(binder));
}
public static CallSite Create(Type delegateType, CallSiteBinder binder)
{
Func <CallSiteBinder, CallSite> func;
ContractUtils.RequiresNotNull(delegateType, "delegateType");
ContractUtils.RequiresNotNull(binder, "binder");
if (!delegateType.IsSubclassOf(typeof(Delegate)))
{
throw Error.TypeMustBeDerivedFromSystemDelegate();
}
if (_SiteCtors == null)
{
_SiteCtors = new CacheDict <Type, Func <CallSiteBinder, CallSite> >(100);
}
MethodInfo method = null;
CacheDict <Type, Func <CallSiteBinder, CallSite> > dict = _SiteCtors;
lock (dict)
{
if (!dict.TryGetValue(delegateType, out func))
{
method = typeof(CallSite <>).MakeGenericType(new Type[] { delegateType }).GetMethod("Create");
if (delegateType.CanCache())
{
func = (Func <CallSiteBinder, CallSite>)Delegate.CreateDelegate(typeof(Func <CallSiteBinder, CallSite>), method);
dict.Add(delegateType, func);
}
}
}
if (func != null)
{
return(func(binder));
}
return((CallSite)method.Invoke(null, new object[] { binder }));
}
/// <summary>
/// Creates a CallSite with the given delegate type and binder.
/// </summary>
/// <param name="delegateType">The CallSite delegate type.</param>
/// <param name="binder">The CallSite binder.</param>
/// <returns>The new CallSite.</returns>
public static CallSite Create(Type delegateType, CallSiteBinder binder)
{
ContractUtils.RequiresNotNull(delegateType, nameof(delegateType));
ContractUtils.RequiresNotNull(binder, nameof(binder));
if (!delegateType.IsSubclassOf(typeof(MulticastDelegate)))
{
throw System.Linq.Expressions.Error.TypeMustBeDerivedFromSystemDelegate();
}
CacheDict <Type, Func <CallSiteBinder, CallSite> >?ctors = s_siteCtors;
if (ctors == null)
{
// It's okay to just set this, worst case we're just throwing away some data
s_siteCtors = ctors = new CacheDict <Type, Func <CallSiteBinder, CallSite> >(100);
}
if (!ctors.TryGetValue(delegateType, out Func <CallSiteBinder, CallSite>?ctor))
{
MethodInfo method = typeof(CallSite <>).MakeGenericType(delegateType).GetMethod(nameof(Create)) !;
if (delegateType.IsCollectible)
{
// slow path
return((CallSite)method.Invoke(null, new object[] { binder }) !);
}
ctor = (Func <CallSiteBinder, CallSite>)method.CreateDelegate(typeof(Func <CallSiteBinder, CallSite>));
ctors.Add(delegateType, ctor);
}
return(ctor(binder));
}
public static CallSite Create(Type delegateType, CallSiteBinder binder)
{
Func<CallSiteBinder, CallSite> func;
ContractUtils.RequiresNotNull(delegateType, "delegateType");
ContractUtils.RequiresNotNull(binder, "binder");
if (!delegateType.IsSubclassOf(typeof(Delegate)))
{
throw Error.TypeMustBeDerivedFromSystemDelegate();
}
if (_SiteCtors == null)
{
_SiteCtors = new CacheDict<Type, Func<CallSiteBinder, CallSite>>(100);
}
MethodInfo method = null;
CacheDict<Type, Func<CallSiteBinder, CallSite>> dict = _SiteCtors;
lock (dict)
{
if (!dict.TryGetValue(delegateType, out func))
{
method = typeof(CallSite<>).MakeGenericType(new Type[] { delegateType }).GetMethod("Create");
if (delegateType.CanCache())
{
func = (Func<CallSiteBinder, CallSite>) Delegate.CreateDelegate(typeof(Func<CallSiteBinder, CallSite>), method);
dict.Add(delegateType, func);
}
}
}
if (func != null)
{
return func(binder);
}
return (CallSite) method.Invoke(null, new object[] { binder });
}
internal static ParameterInfo[] GetParametersCached(this MethodBase method)
{
CacheDict <MethodBase, ParameterInfo[]> paramInfoCache = TypeExtensions._ParamInfoCache;
ParameterInfo[] parameters;
if (!paramInfoCache.TryGetValue(method, out parameters))
{
parameters = method.GetParameters();
Type declaringType = method.DeclaringType;
if (declaringType != (Type)null && declaringType.CanCache())
{
paramInfoCache[method] = parameters;
}
}
return(parameters);
}
/// <summary>
/// Creates a CallSite with the given delegate type and binder.
/// </summary>
/// <param name="delegateType">The CallSite delegate type.</param>
/// <param name="binder">The CallSite binder.</param>
/// <returns>The new CallSite.</returns>
public static CallSite Create(Type delegateType, CallSiteBinder binder)
{
ContractUtils.RequiresNotNull(delegateType, "delegateType");
ContractUtils.RequiresNotNull(binder, "binder");
if (!delegateType.IsSubclassOf(typeof(MulticastDelegate)))
{
throw Error.TypeMustBeDerivedFromSystemDelegate();
}
if (s_siteCtors == null)
{
// It's okay to just set this, worst case we're just throwing away some data
s_siteCtors = new CacheDict <Type, Func <CallSiteBinder, CallSite> >(100);
}
Func <CallSiteBinder, CallSite> ctor;
MethodInfo method = null;
var ctors = s_siteCtors;
lock (ctors)
{
if (!ctors.TryGetValue(delegateType, out ctor))
{
method = typeof(CallSite <>).MakeGenericType(delegateType).GetMethod("Create");
if (TypeUtils.CanCache(delegateType))
{
ctor = (Func <CallSiteBinder, CallSite>)method.CreateDelegate(typeof(Func <CallSiteBinder, CallSite>));
ctors.Add(delegateType, ctor);
}
}
}
if (ctor != null)
{
return(ctor(binder));
}
// slow path
return((CallSite)method.Invoke(null, new object[] { binder }));
}
/// <summary>
/// Creates a CallSite with the given delegate type and binder.
/// </summary>
/// <param name="delegateType">The CallSite delegate type.</param>
/// <param name="binder">The CallSite binder.</param>
/// <returns>The new CallSite.</returns>
public static CallSite Create(Type delegateType, CallSiteBinder binder)
{
ContractUtils.RequiresNotNull(delegateType, "delegateType");
ContractUtils.RequiresNotNull(binder, "binder");
ContractUtils.Requires(delegateType.IsSubclassOf(typeof(Delegate)), "delegateType", Strings.TypeMustBeDerivedFromSystemDelegate);
if (_SiteCtors == null)
{
// It's okay to just set this, worst case we're just throwing away some data
_SiteCtors = new CacheDict <Type, Func <CallSiteBinder, CallSite> >(100);
}
Func <CallSiteBinder, CallSite> ctor;
lock (_SiteCtors) {
if (!_SiteCtors.TryGetValue(delegateType, out ctor))
{
MethodInfo method = typeof(CallSite <>).MakeGenericType(delegateType).GetMethod("Create");
ctor = (Func <CallSiteBinder, CallSite>)Delegate.CreateDelegate(typeof(Func <CallSiteBinder, CallSite>), method);
_SiteCtors.Add(delegateType, ctor);
}
}
return(ctor(binder));
}
/// <summary>
/// Adds a new element to the cache, replacing and moving it to the front if the
/// element is already present.
/// </summary>
internal void Add(TKey key, TValue value)
{
KeyInfo keyInfo;
if (_dict.TryGetValue(key, out keyInfo))
{
// remove original entry from the linked list
_list.Remove(keyInfo.List);
}
else if (_list.Count == _maxSize)
{
// we've reached capacity, remove the last used element...
LinkedListNode <TKey> node = _list.Last;
_list.RemoveLast();
bool res = _dict.Remove(node.Value);
Debug.Assert(res);
}
// add the new entry to the head of the list and into the dictionary
LinkedListNode <TKey> listNode = new LinkedListNode <TKey>(key);
_list.AddFirst(listNode);
_dict[key] = new CacheDict <TKey, TValue> .KeyInfo(value, listNode);
}
/// <summary>
/// Creates a CallSite with the given delegate type and binder.
/// </summary>
/// <param name="delegateType">The CallSite delegate type.</param>
/// <param name="binder">The CallSite binder.</param>
/// <returns>The new CallSite.</returns>
public static CallSite Create(Type delegateType, CallSiteBinder binder) {
ContractUtils.RequiresNotNull(delegateType, "delegateType");
ContractUtils.RequiresNotNull(binder, "binder");
ContractUtils.Requires(delegateType.IsSubclassOf(typeof(Delegate)), "delegateType", Strings.TypeMustBeDerivedFromSystemDelegate);
if (_SiteCtors == null) {
// It's okay to just set this, worst case we're just throwing away some data
_SiteCtors = new CacheDict<Type, Func<CallSiteBinder, CallSite>>(100);
}
Func<CallSiteBinder, CallSite> ctor;
var ctors = _SiteCtors;
lock (ctors) {
if (!ctors.TryGetValue(delegateType, out ctor)) {
MethodInfo method = typeof(CallSite<>).MakeGenericType(delegateType).GetMethod("Create");
ctor = (Func<CallSiteBinder, CallSite>)Delegate.CreateDelegate(typeof(Func<CallSiteBinder, CallSite>), method);
ctors.Add(delegateType, ctor);
}
}
return ctor(binder);
}
/// <summary>
/// Creates a CallSite with the given delegate type and binder.
/// </summary>
/// <param name="delegateType">The CallSite delegate type.</param>
/// <param name="binder">The CallSite binder.</param>
/// <returns>The new CallSite.</returns>
public static CallSite Create(Type delegateType, CallSiteBinder binder)
{
ContractUtils.RequiresNotNull(delegateType, "delegateType");
ContractUtils.RequiresNotNull(binder, "binder");
if (!delegateType.IsSubclassOf(typeof(MulticastDelegate))) throw Error.TypeMustBeDerivedFromSystemDelegate();
var ctors = s_siteCtors;
if (ctors == null) {
// It's okay to just set this, worst case we're just throwing away some data
s_siteCtors = ctors = new CacheDict<Type, Func<CallSiteBinder, CallSite>>(100);
}
Func<CallSiteBinder, CallSite> ctor;
MethodInfo method = null;
if (!ctors.TryGetValue(delegateType, out ctor))
{
method = typeof(CallSite<>).MakeGenericType(delegateType).GetMethod("Create");
if (TypeUtils.CanCache(delegateType))
{
ctor = (Func<CallSiteBinder, CallSite>)method.CreateDelegate(typeof(Func<CallSiteBinder, CallSite>));
ctors.Add(delegateType, ctor);
}
}
if (ctor != null)
{
return ctor(binder);
}
// slow path
return (CallSite)method.Invoke(null, new object[] { binder });
}
public static void _clearcache() {
_cache = new CacheDict<string, Struct>(MAX_CACHE_SIZE);
}
static HackExtensions()
{
Mscorlib = typeof(object).Assembly;
SystemCore = typeof(Expression).Assembly;
ParamInfoCache = new CacheDict <MethodBase, ParameterInfo[]>(0x4b);
}
