internal FastReflectionClassMap(Type type)
{
CreateInstance = type.DelegateForCtor();
var props = type.GetProperties(BindingFlags.Instance | BindingFlags.Public)
.OrderBy(x => x.MetadataToken);
foreach (var prop in props)
{
var pInfo = new FastReflectionPropertyInfo()
{
Getter = prop.DelegateForGet(),
Setter = prop.DelegateForSet(),
PropertyType = prop.PropertyType
};
PropertyInfos[prop.Name] = pInfo;
}
}
public static CtorInvoker <T> DelegateForCtor <T>(this Type type, params Type[] paramTypes)
{
int key = kCtorInvokerName.GetHashCode() ^ type.GetHashCode();
for (int i = 0; i < paramTypes.Length; i++)
{
key ^= paramTypes[i].GetHashCode();
}
Delegate result;
if (cache.TryGetValue(key, out result))
{
return((CtorInvoker <T>)result);
}
#if HAS_EMIT
var dynMethod = new DynamicMethod(kCtorInvokerName,
typeof(T), new Type[] { typeof(object[]) });
emit.il = dynMethod.GetILGenerator();
GenCtor <T>(type, paramTypes);
result = dynMethod.CreateDelegate(typeof(CtorInvoker <T>));
cache[key] = result;
return((CtorInvoker <T>)result);
#else
ConstructorInfo constructorInfo = type.GetDeclaredConstructor(paramTypes);
CtorInvoker <T> methodDelegate = (object[] parameters) =>
{
var value = constructorInfo.Invoke(parameters);
return(value is T ? (T)value : default(T));
};
cache[key] = methodDelegate;
return(methodDelegate);
#endif
}
/// <summary>Try generates or gets a strongly-typed open-instance delegate to the specified type constructor that takes the specified type params.</summary>
public static bool TryMakeDelegateForCtor <T>(this Type instanceType, Type[] paramTypes, out CtorInvoker <T> result)
{
if (null == instanceType)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.instanceType);
}
ConstructorInfo ctor = null;
if (!(instanceType == TypeConstants.StringType ||
instanceType.IsArray || instanceType.IsInterface || instanceType.IsGenericTypeDefinition))
{
try
{
ctor = instanceType.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly,
null, paramTypes ?? Type.EmptyTypes, null);
}
catch { }
}
if (ctor == null)
{
if (paramTypes == null || paramTypes.Length == 0)
{
var emptyInvoker = instanceType.GetConstructorMethod();
result = (object[] ps) => (T)emptyInvoker.Invoke();
return(true);
}
result = null; return(false);
}
result = MakeDelegateForCtor <T>(instanceType, paramTypes, ctor);
return(true);
}
/// <summary>Try generates or gets a weakly-typed open-instance delegate to the specified type constructor that takes the specified type params.</summary> public static bool TryMakeDelegateForCtor(this Type instanceType, Type[] paramTypes, out CtorInvoker <object> result) => TryMakeDelegateForCtor <object>(instanceType, paramTypes, out result);
public BenchmarkFactory()
{
var ctor = BenchmarkType.DelegateForCtor <TBenchmark>(BenchmarkType.Module, typeof(IBenchmarkConfiguration));
ConstructorInvoker = ctor;
}
