/// <summary>
/// Performs some basic screening and invokes the <see cref = "IProxyGenerationHook" />
/// to select methods.
/// </summary>
/// <param name = "method"></param>
/// <param name = "onlyVirtuals"></param>
/// <param name = "hook"></param>
/// <returns></returns>
protected bool AcceptMethod(MethodInfo method, bool onlyVirtuals, IProxyGenerationHook hook)
{
if (IsInternalAndNotVisibleToDynamicProxy(method))
{
return(false);
}
var isOverridable = method.IsVirtual && !method.IsFinal;
if (onlyVirtuals && !isOverridable)
{
if (
#if !SILVERLIGHT
method.DeclaringType != typeof(MarshalByRefObject) &&
#endif
method.IsGetType() == false &&
method.IsMemberwiseClone() == false)
{
Logger.DebugFormat("Excluded non-overridable method {0} on {1} because it cannot be intercepted.", method.Name,
method.DeclaringType.FullName);
hook.NonProxyableMemberNotification(type, method);
}
return(false);
}
// we can never intercept a sealed (final) method
if (method.IsFinal)
{
Logger.DebugFormat("Excluded sealed method {0} on {1} because it cannot be intercepted.", method.Name,
method.DeclaringType.FullName);
return(false);
}
//can only proxy methods that are public or protected (or internals that have already been checked above)
if ((method.IsPublic || method.IsFamily || method.IsAssembly || method.IsFamilyOrAssembly) == false)
{
return(false);
}
#if !SILVERLIGHT
if (method.DeclaringType == typeof(MarshalByRefObject))
{
return(false);
}
#endif
if (method.IsFinalizer())
{
return(false);
}
return(hook.ShouldInterceptMethod(type, method));
}
private void CollectFields(IProxyGenerationHook hook)
{
var fields = Type.GetAllFields();
foreach (var field in fields)
{
if (IsOKToBeOnProxy(field))
{
continue;
}
hook.NonProxyableMemberNotification(Type, field);
}
}
private void CollectFields(IProxyGenerationHook hook)
{
var fields = type.GetAllFields();
foreach (var field in fields)
{
if (IsOKToBeOnProxy(field))
{
continue;
}
hook.NonProxyableMemberNotification(type, field);
}
}
public void NonProxyableMemberNotification(Type type, MemberInfo memberInfo)
{
if (hook != null)
{
//give the inner hook a chance to throw its own exception
hook.NonProxyableMemberNotification(type, memberInfo);
}
// actually we should never get this, since we're doing an interface proxy
// so if we do, this may mean it's a bug.
throw new NotSupportedException(
string.Format("Member {0}.{1} is non virtual hence can not be proxied. If you think it's a bug, please report it.",
type.FullName, memberInfo.Name));
}
/// <summary>
/// Performs some basic screening and invokes the <see cref = "IProxyGenerationHook" />
/// to select methods.
/// </summary>
/// <param name = "method"></param>
/// <param name = "onlyVirtuals"></param>
/// <param name = "hook"></param>
/// <returns></returns>
protected bool AcceptMethod(MethodInfo method, bool onlyVirtuals, IProxyGenerationHook hook)
{
// we can never intercept a sealed (final) method
if (method.IsFinal)
{
Logger.DebugFormat("Excluded sealed method {0} on {1} because it cannot be intercepted.", method.Name,
method.DeclaringType.FullName);
return false;
}
if (IsInternalAndNotVisibleToDynamicProxy(method))
{
return false;
}
if (onlyVirtuals && !method.IsVirtual)
{
if (
#if !SILVERLIGHT
method.DeclaringType != typeof(MarshalByRefObject) &&
#endif
method.IsGetType() == false &&
method.IsMemberwiseClone() == false)
{
Logger.DebugFormat("Excluded non-virtual method {0} on {1} because it cannot be intercepted.", method.Name,
method.DeclaringType.FullName);
hook.NonProxyableMemberNotification(type, method);
}
return false;
}
//can only proxy methods that are public or protected (or internals that have already been checked above)
if ((method.IsPublic || method.IsFamily || method.IsAssembly || method.IsFamilyOrAssembly) == false)
{
return false;
}
#if !SILVERLIGHT
if (method.DeclaringType == typeof(MarshalByRefObject))
{
return false;
}
#endif
if (method.IsFinalizer())
{
return false;
}
return hook.ShouldInterceptMethod(type, method);
}
//internal static void Emit(this ILGenerator gen, OpCode opcode, IConstructorInfo con)
//{
// gen.Emit(opcode, con.AsConstructorInfo());
//}
//internal static void Emit(this ILGenerator gen, OpCode opcode, IFieldInfo field)
//{
// gen.Emit(opcode, field.AsFieldInfo());
//}
//internal static void Emit(this ILGenerator gen, OpCode opcode, IMethodInfo method)
//{
// gen.Emit(opcode, method.AsMethodInfo());
//}
internal static void NonProxyableMemberNotification(this IProxyGenerationHook hook, Type type,
MemberInfo memberInfo)
{
hook.NonProxyableMemberNotification(type, memberInfo.AsIMemberInfo());
}
