private Type GetInvocationType(MetaMethod method, ClassEmitter emitter, ProxyGenerationOptions options)
{
var scope = emitter.ModuleScope;
Type[] invocationInterfaces;
if (canChangeTarget)
{
invocationInterfaces = new[] { typeof(IInvocation), typeof(IChangeProxyTarget) };
}
else
{
invocationInterfaces = new[] { typeof(IInvocation) };
}
var key = new CacheKey(method.Method, CompositionInvocationTypeGenerator.BaseType, invocationInterfaces, null);
// no locking required as we're already within a lock
var invocation = scope.GetFromCache(key);
if (invocation != null)
{
return invocation;
}
invocation = new CompositionInvocationTypeGenerator(method.Method.DeclaringType,
method,
method.Method,
canChangeTarget,
null)
.Generate(emitter, options, namingScope)
.BuildType();
scope.RegisterInCache(key, invocation);
return invocation;
}
public Type GenerateCode(Type[] interfaces, ProxyGenerationOptions options)
{
// make sure ProxyGenerationOptions is initialized
options.Initialize();
interfaces = TypeUtil.GetAllInterfaces(interfaces);
CheckNotGenericTypeDefinitions(interfaces, "interfaces");
ProxyGenerationOptions = options;
var cacheKey = new CacheKey(targetType, interfaces, options);
return ObtainProxyType(cacheKey, (n, s) => GenerateType(n, interfaces, s));
}
private Type GetInvocationType(MetaMethod method, ClassEmitter emitter, ProxyGenerationOptions options)
{
ModuleScope scope = emitter.ModuleScope;
CacheKey key = new CacheKey(method.Method, WCFCompositionInvocationTypeGenerator.BaseType, null, null);
Type invocation = scope.GetFromCache(key);
if (invocation == null)
{
invocation = new WCFCompositionInvocationTypeGenerator(method.Method.DeclaringType, method, method.Method, false, null).Generate(emitter, options, base.namingScope).BuildType();
scope.RegisterInCache(key, invocation);
}
return invocation;
}
public void InstanceEquivalence()
{
CacheKey key1 = new CacheKey(typeof (NonPublicConstructorClass), null, ProxyGenerationOptions.Default);
CacheKey key2 = new CacheKey(typeof (NonPublicConstructorClass), null, ProxyGenerationOptions.Default);
Assert.AreEqual(key1, key2);
key1 = new CacheKey(typeof (NonPublicConstructorClass), null, ProxyGenerationOptions.Default);
key2 = new CacheKey(typeof (NonPublicConstructorClass), null, new ProxyGenerationOptions());
Assert.AreEqual(key1, key2);
}
public void InstanceEquivalence_WithInterfaces()
{
CacheKey key1 = new CacheKey(typeof (NonPublicConstructorClass), new Type[0], ProxyGenerationOptions.Default);
CacheKey key2 = new CacheKey(typeof (NonPublicConstructorClass), new Type[0], ProxyGenerationOptions.Default);
Assert.AreEqual(key1, key2);
key1 =
new CacheKey(typeof (NonPublicConstructorClass), new Type[] {typeof (IDisposable)}, ProxyGenerationOptions.Default);
key2 =
new CacheKey(typeof (NonPublicConstructorClass), new Type[] {typeof (IDisposable)}, ProxyGenerationOptions.Default);
Assert.AreEqual(key1, key2);
}
public Type GenerateCode(Type proxyTargetType, Type[] interfaces, ProxyGenerationOptions options)
{
// make sure ProxyGenerationOptions is initialized
options.Initialize();
CheckNotGenericTypeDefinition(proxyTargetType, "proxyTargetType");
CheckNotGenericTypeDefinitions(interfaces, "interfaces");
EnsureValidBaseType(options.BaseTypeForInterfaceProxy);
ProxyGenerationOptions = options;
interfaces = TypeUtil.GetAllInterfaces(interfaces).ToArray();
var cacheKey = new CacheKey(proxyTargetType, targetType, interfaces, options);
return ObtainProxyType(cacheKey, (n, s) => GenerateType(n, proxyTargetType, interfaces, s));
}
public Type GenerateCode(Type proxyTargetType, Type[] interfaces, ProxyGenerationOptions options)
{
// make sure ProxyGenerationOptions is initialized
options.Initialize();
CheckNotGenericTypeDefinition(proxyTargetType, "proxyTargetType");
CheckNotGenericTypeDefinitions(interfaces, "interfaces");
EnsureValidBaseType(options.BaseTypeForInterfaceProxy);
Type proxyType;
interfaces = TypeUtil.GetAllInterfaces(interfaces).ToArray();
CacheKey cacheKey = new CacheKey(proxyTargetType, targetType, interfaces, options);
using (var locker = Scope.Lock.ForReadingUpgradeable())
{
Type cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
Logger.Debug("Found cached proxy type {0} for target type {1}.", cacheType.FullName, targetType.FullName);
return cacheType;
}
// Upgrade the lock to a write lock, then read again. This is to avoid generating duplicate types
// under heavy multithreaded load.
locker.Upgrade();
cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
Logger.Debug("Found cached proxy type {0} for target type {1}.", cacheType.FullName, targetType.FullName);
return cacheType;
}
// Log details about the cache miss
Logger.Debug("No cached proxy type was found for target type {0}.", targetType.FullName);
EnsureOptionsOverrideEqualsAndGetHashCode(options);
ProxyGenerationOptions = options;
var name = Scope.NamingScope.GetUniqueName("Castle.Proxies." + targetType.Name + "Proxy");
proxyType = GenerateType(name, proxyTargetType, interfaces, Scope.NamingScope.SafeSubScope());
AddToCache(cacheKey, proxyType);
}
return proxyType;
}
public void DifferentOptions()
{
ProxyGenerationOptions options1 = new ProxyGenerationOptions();
ProxyGenerationOptions options2 = new ProxyGenerationOptions();
options1.BaseTypeForInterfaceProxy = typeof (IConvertible);
CacheKey key1 = new CacheKey(typeof (NonPublicConstructorClass), null, options1);
CacheKey key2 = new CacheKey(typeof (NonPublicConstructorClass), null, options2);
Assert.AreNotEqual(key1, key2);
options1 = new ProxyGenerationOptions();
options2 = new ProxyGenerationOptions();
options2.Selector = new AllInterceptorSelector();
key1 = new CacheKey(typeof (NonPublicConstructorClass), null, options1);
key2 = new CacheKey(typeof (NonPublicConstructorClass), null, options2);
Assert.AreNotEqual(key1, key2);
}
public void DifferentKeys()
{
CacheKey key1 = new CacheKey(typeof (NonPublicConstructorClass), null, ProxyGenerationOptions.Default);
CacheKey key2 = new CacheKey(typeof (NonPublicMethodsClass), null, ProxyGenerationOptions.Default);
Assert.AreNotEqual(key1, key2);
key1 =
new CacheKey(typeof (NonPublicConstructorClass), new Type[] {typeof (IDisposable)}, ProxyGenerationOptions.Default);
key2 =
new CacheKey(typeof (NonPublicConstructorClass), new Type[] {typeof (IConvertible)}, ProxyGenerationOptions.Default);
Assert.AreNotEqual(key1, key2);
key1 =
new CacheKey(typeof (NonPublicConstructorClass), new Type[] {typeof (IDisposable)}, ProxyGenerationOptions.Default);
key2 = new CacheKey(typeof (NonPublicMethodsClass), new Type[] {typeof (IDisposable)}, ProxyGenerationOptions.Default);
Assert.AreNotEqual(key1, key2);
}
private Type GetInvocationType(MetaMethod method, ClassEmitter @class, ProxyGenerationOptions options)
{
Type[] invocationInterfaces;
ModuleScope scope = @class.ModuleScope;
if (this.canChangeTarget)
{
invocationInterfaces = new Type[] { typeof(IInvocation), typeof(IChangeProxyTarget) };
}
else
{
invocationInterfaces = new Type[] { typeof(IInvocation) };
}
CacheKey key = new CacheKey(method.Method, WCFCompositionInvocationTypeGenerator.BaseType, invocationInterfaces, null);
Type invocation = scope.GetFromCache(key);
if (invocation == null)
{
invocation = new WCFCompositionInvocationTypeGenerator(method.Method.DeclaringType, method, method.Method, this.canChangeTarget, null).Generate(@class, options, base.namingScope).BuildType();
scope.RegisterInCache(key, invocation);
}
return invocation;
}
private Type GetInvocationType(MetaMethod method, ClassEmitter emitter, ProxyGenerationOptions options)
{
var scope = emitter.ModuleScope;
var key = new CacheKey(method.Method, InterfaceInvocationTypeGenerator.BaseType, null, null);
// no locking required as we're already within a lock
var invocation = scope.GetFromCache(key);
if (invocation != null)
{
return invocation;
}
invocation = new InterfaceInvocationTypeGenerator(method.Method.DeclaringType,
method,
method.Method,
false)
.Generate(emitter, options, namingScope).BuildType();
scope.RegisterInCache(key, invocation);
return invocation;
}
public Type GetGeneratedType()
{
Type proxyType;
var cacheKey = new CacheKey(targetType, additionalInterfacesToProxy, ProxyGenerationOptions);
using (var locker = Scope.Lock.ForReadingUpgradeable())
{
var cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
Logger.Debug("Found cached proxy type {0} for target type {1}.", cacheType.FullName, targetType.FullName);
return cacheType;
}
// Upgrade the lock to a write lock, then read again. This is to avoid generating duplicate types
// under heavy multithreaded load.
locker.Upgrade();
cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
Logger.Debug("Found cached proxy type {0} for target type {1}.", cacheType.FullName, targetType.FullName);
return cacheType;
}
// Log details about the cache miss
Logger.Debug("No cached proxy type was found for target type {0}.", targetType.FullName);
EnsureOptionsOverrideEqualsAndGetHashCode(ProxyGenerationOptions);
var name = Scope.NamingScope.GetUniqueName("Castle.Proxies." + targetType.Name + "Proxy");
proxyType = GenerateType(name, Scope.NamingScope.SafeSubScope());
AddToCache(cacheKey, proxyType);
}
return proxyType;
}
protected Type GetFromCache(CacheKey key)
{
return scope.GetFromCache(key);
}
/// <summary>
/// Returns a type from this scope's type cache, or null if the key cannot be found.
/// </summary>
/// <param name="key">The key to be looked up in the cache.</param>
/// <returns>The type from this scope's type cache matching the key, or null if the key cannot be found</returns>
public Type GetFromCache (CacheKey key)
{
// no lock needed, typeCache is synchronized
return (Type) typeCache[key];
}
/// <summary>
/// Registers a type in this scope's type cache.
/// </summary>
/// <param name="key">The key to be associated with the type.</param>
/// <param name="type">The type to be stored in the cache.</param>
public void RegisterInCache (CacheKey key, Type type)
{
// no lock needed, typeCache is synchronized
typeCache[key] = type;
}
protected Type ObtainProxyType(CacheKey cacheKey, Func<string, INamingScope, Type> factory)
{
using (var locker = Scope.Lock.ForReadingUpgradeable())
{
var cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
Logger.DebugFormat("Found cached proxy type {0} for target type {1}.", cacheType.FullName, targetType.FullName);
return cacheType;
}
// Upgrade the lock to a write lock, then read again. This is to avoid generating duplicate types
// under heavy multithreaded load.
locker.Upgrade();
cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
Logger.DebugFormat("Found cached proxy type {0} for target type {1}.", cacheType.FullName, targetType.FullName);
return cacheType;
}
// Log details about the cache miss
Logger.DebugFormat("No cached proxy type was found for target type {0}.", targetType.FullName);
EnsureOptionsOverrideEqualsAndGetHashCode(ProxyGenerationOptions);
var name = Scope.NamingScope.GetUniqueName("Castle.Proxies." + targetType.Name + "Proxy");
var proxyType = factory.Invoke(name, Scope.NamingScope.SafeSubScope());
AddToCache(cacheKey, proxyType);
return proxyType;
}
}
private Type GetInvocationType(MetaMethod method, ClassEmitter @class, ProxyGenerationOptions options)
{
var scope = @class.ModuleScope;
var invocationInterfaces = new[] { typeof(IInvocation) };
var key = new CacheKey(method.Method, CompositionInvocationTypeGenerator.BaseType, invocationInterfaces, null);
// no locking required as we're already within a lock
var invocation = scope.GetFromCache(key);
if (invocation != null)
{
return invocation;
}
invocation = BuildInvocationType(method, @class, options);
scope.RegisterInCache(key, invocation);
return invocation;
}
public Type GetProxyType()
{
var cacheKey = new CacheKey(targetType, null, null);
return ObtainProxyType(cacheKey, GenerateType);
}
public Type GenerateCode(Type proxyTargetType, Type[] interfaces, ProxyGenerationOptions options)
{
// make sure ProxyGenerationOptions is initialized
options.Initialize();
CheckNotGenericTypeDefinition(proxyTargetType, "proxyTargetType");
CheckNotGenericTypeDefinitions(interfaces, "interfaces");
Type generatedType;
ReaderWriterLock rwlock = Scope.RWLock;
rwlock.AcquireReaderLock(-1);
CacheKey cacheKey = new CacheKey(proxyTargetType, targetType, interfaces, options);
Type cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
rwlock.ReleaseReaderLock();
return cacheType;
}
rwlock.UpgradeToWriterLock(-1);
try
{
cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
return cacheType;
}
SetGenerationOptions (options);
String newName = targetType.Name + "Proxy" + Guid.NewGuid().ToString("N");
// Add Interfaces that the proxy implements
ArrayList interfaceList = new ArrayList();
interfaceList.Add(targetType);
if (interfaces != null)
{
interfaceList.AddRange(interfaces);
}
if (!interfaceList.Contains(typeof(ISerializable)))
interfaceList.Add(typeof(ISerializable));
AddMixinInterfaces(interfaceList);
AddDefaultInterfaces(interfaceList);
Type baseType = options.BaseTypeForInterfaceProxy;
ClassEmitter emitter = BuildClassEmitter(newName, baseType, interfaceList);
CreateOptionsField (emitter);
emitter.DefineCustomAttribute(new XmlIncludeAttribute(targetType));
emitter.DefineCustomAttribute(new SerializableAttribute());
// Custom attributes
ReplicateNonInheritableAttributes(targetType, emitter);
// Fields generations
FieldReference interceptorsField = emitter.CreateField("__interceptors", typeof(IInterceptor[]));
targetField = emitter.CreateField("__target", proxyTargetType);
emitter.DefineCustomAttributeFor(interceptorsField, new XmlIgnoreAttribute());
emitter.DefineCustomAttributeFor(targetField, new XmlIgnoreAttribute());
// Implement builtin Interfaces
ImplementProxyTargetAccessor(targetType, emitter,interceptorsField);
// Collect methods
PropertyToGenerate[] propsToGenerate;
EventToGenerate[] eventToGenerates;
MethodInfo[] methods = CollectMethodsAndProperties(emitter, targetType, out propsToGenerate, out eventToGenerates);
if (interfaces != null && interfaces.Length != 0)
{
ArrayList tmpInterfaces = new ArrayList(interfaces);
foreach(Type inter in interfaces)
{
if (inter.IsAssignableFrom(proxyTargetType))
{
PropertyToGenerate[] tempPropsToGenerate;
EventToGenerate[] tempEventToGenerates;
MethodInfo[] methodsTemp =
CollectMethodsAndProperties(emitter, inter, out tempPropsToGenerate, out tempEventToGenerates);
PropertyToGenerate[] newPropsToGenerate =
new PropertyToGenerate[tempPropsToGenerate.Length + propsToGenerate.Length];
MethodInfo[] newMethods = new MethodInfo[methodsTemp.Length + methods.Length];
EventToGenerate[] newEvents = new EventToGenerate[eventToGenerates.Length + tempEventToGenerates.Length];
Array.Copy(methods, newMethods, methods.Length);
Array.Copy(methodsTemp, 0, newMethods, methods.Length, methodsTemp.Length);
Array.Copy(propsToGenerate, newPropsToGenerate, propsToGenerate.Length);
Array.Copy(tempPropsToGenerate, 0, newPropsToGenerate, propsToGenerate.Length, tempPropsToGenerate.Length);
Array.Copy(eventToGenerates, newEvents, eventToGenerates.Length);
Array.Copy(tempEventToGenerates, 0, newEvents, eventToGenerates.Length, tempEventToGenerates.Length);
methods = newMethods;
propsToGenerate = newPropsToGenerate;
eventToGenerates = newEvents;
tmpInterfaces.Remove(inter);
}
}
interfaces = (Type[]) tmpInterfaces.ToArray(typeof(Type));
}
RegisterMixinMethodsAndProperties(emitter, ref methods, ref propsToGenerate, ref eventToGenerates);
options.Hook.MethodsInspected();
// Constructor
ConstructorEmitter typeInitializer = GenerateStaticConstructor(emitter);
if (!proxyTargetType.IsInterface)
{
CacheMethodTokens(emitter, MethodFinder.GetAllInstanceMethods(proxyTargetType,
BindingFlags.Public | BindingFlags.Instance),
typeInitializer);
}
CreateInitializeCacheMethodBody(proxyTargetType, methods, emitter, typeInitializer);
FieldReference[] mixinFields = AddMixinFields(emitter);
List<FieldReference> fields = new List<FieldReference>(mixinFields);
fields.Add(interceptorsField);
fields.Add(targetField);
GenerateConstructors(emitter, baseType, fields.ToArray());
// GenerateParameterlessConstructor(emitter, interceptorsField, baseType);
// Implement interfaces
if (interfaces != null && interfaces.Length != 0)
{
foreach(Type inter in interfaces)
{
ImplementBlankInterface(targetType, inter, emitter, interceptorsField, typeInitializer);
}
}
// Create invocation types
foreach(MethodInfo method in methods)
{
CreateInvocationForMethod(emitter, method, proxyTargetType);
}
// Create methods overrides
Dictionary<MethodInfo, MethodEmitter> method2Emitter = new Dictionary<MethodInfo, MethodEmitter>();
foreach(MethodInfo method in methods)
{
if (method.IsSpecialName &&
(method.Name.StartsWith("get_") || method.Name.StartsWith("set_") ||
method.Name.StartsWith("add_") || method.Name.StartsWith("remove_")) ||
methodsToSkip.Contains(method))
{
continue;
}
NestedClassEmitter nestedClass = (NestedClassEmitter) method2Invocation[method];
MethodEmitter newProxiedMethod = CreateProxiedMethod(
targetType, method, emitter, nestedClass, interceptorsField, GetTargetRef(method, mixinFields, targetField),
ConstructorVersion.WithTargetMethod, (MethodInfo) method2methodOnTarget[method]);
ReplicateNonInheritableAttributes(method, newProxiedMethod);
method2Emitter[method] = newProxiedMethod;
}
foreach(PropertyToGenerate propToGen in propsToGenerate)
{
if (propToGen.CanRead)
{
NestedClassEmitter nestedClass = (NestedClassEmitter) method2Invocation[propToGen.GetMethod];
MethodAttributes atts = ObtainMethodAttributes(propToGen.GetMethod);
MethodEmitter getEmitter = propToGen.Emitter.CreateGetMethod(atts);
ImplementProxiedMethod(targetType, getEmitter,
propToGen.GetMethod, emitter,
nestedClass, interceptorsField, GetTargetRef(propToGen.GetMethod, mixinFields, targetField),
ConstructorVersion.WithTargetMethod,
(MethodInfo) method2methodOnTarget[propToGen.GetMethod]);
ReplicateNonInheritableAttributes(propToGen.GetMethod, getEmitter);
// emitter.TypeBuilder.DefineMethodOverride(getEmitter.MethodBuilder, propToGen.GetMethod);
}
if (propToGen.CanWrite)
{
NestedClassEmitter nestedClass = (NestedClassEmitter) method2Invocation[propToGen.SetMethod];
MethodAttributes atts = ObtainMethodAttributes(propToGen.SetMethod);
MethodEmitter setEmitter = propToGen.Emitter.CreateSetMethod(atts);
ImplementProxiedMethod(targetType, setEmitter,
propToGen.SetMethod, emitter,
nestedClass, interceptorsField, GetTargetRef(propToGen.SetMethod, mixinFields, targetField),
ConstructorVersion.WithTargetMethod,
(MethodInfo) method2methodOnTarget[propToGen.SetMethod]);
ReplicateNonInheritableAttributes(propToGen.SetMethod, setEmitter);
// emitter.TypeBuilder.DefineMethodOverride(setEmitter.MethodBuilder, propToGen.SetMethod);
}
}
foreach(EventToGenerate eventToGenerate in eventToGenerates)
{
NestedClassEmitter add_nestedClass = (NestedClassEmitter) method2Invocation[eventToGenerate.AddMethod];
MethodAttributes add_atts = ObtainMethodAttributes(eventToGenerate.AddMethod);
MethodEmitter addEmitter = eventToGenerate.Emitter.CreateAddMethod(add_atts);
ImplementProxiedMethod(targetType, addEmitter,
eventToGenerate.AddMethod, emitter,
add_nestedClass, interceptorsField, GetTargetRef(eventToGenerate.AddMethod, mixinFields, targetField),
ConstructorVersion.WithTargetMethod,
(MethodInfo) method2methodOnTarget[eventToGenerate.AddMethod]);
ReplicateNonInheritableAttributes(eventToGenerate.AddMethod, addEmitter);
NestedClassEmitter remove_nestedClass = (NestedClassEmitter) method2Invocation[eventToGenerate.RemoveMethod];
MethodAttributes remove_atts = ObtainMethodAttributes(eventToGenerate.RemoveMethod);
MethodEmitter removeEmitter = eventToGenerate.Emitter.CreateRemoveMethod(remove_atts);
ImplementProxiedMethod(targetType, removeEmitter,
eventToGenerate.RemoveMethod, emitter,
remove_nestedClass, interceptorsField, GetTargetRef(eventToGenerate.RemoveMethod, mixinFields, targetField),
ConstructorVersion.WithTargetMethod,
(MethodInfo) method2methodOnTarget[eventToGenerate.RemoveMethod]);
ReplicateNonInheritableAttributes(eventToGenerate.RemoveMethod, removeEmitter);
}
ImplementGetObjectData(emitter, interceptorsField, mixinFields, interfaces);
// Complete Initialize
CompleteInitCacheMethod(typeInitializer.CodeBuilder);
// Crosses fingers and build type
generatedType = emitter.BuildType();
InitializeStaticFields (generatedType);
/*foreach (MethodInfo m in TypeFinder.GetMethods(generatedType, BindingFlags.Instance | BindingFlags.Public))
{
ParameterInfo[] parameters = m.GetParameters();
// Console.WriteLine(m.Name);
for (int i = 0; i < parameters.Length; i++)
{
ParameterInfo paramInfo = parameters[i];
// Console.WriteLine("{0} {1} {2} {3}", paramInfo.Name, paramInfo.ParameterType, paramInfo.Attributes, paramInfo.Position);
// Console.WriteLine("{0} {1} {2} {3}", paramInfo2.Name, paramInfo2.ParameterType, paramInfo2.Attributes, paramInfo2.Position);
}
}
*/
AddToCache(cacheKey, generatedType);
}
finally
{
rwlock.ReleaseWriterLock();
}
return generatedType;
}
public Type GenerateCode(Type[] interfaces, ProxyGenerationOptions options)
{
CheckNotGenericTypeDefinitions(interfaces, "interfaces");
Type type;
ReaderWriterLock rwlock = Scope.RWLock;
rwlock.AcquireReaderLock(-1);
CacheKey cacheKey = new CacheKey(targetType, interfaces, options);
Type cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
rwlock.ReleaseReaderLock();
return cacheType;
}
rwlock.UpgradeToWriterLock(-1);
try
{
cacheType = GetFromCache(cacheKey);
if (cacheType != null)
{
return cacheType;
}
String newName = targetType.Name + "Proxy" + Guid.NewGuid().ToString("N");
// Add Interfaces that the proxy implements
ArrayList interfaceList = new ArrayList();
if (interfaces != null)
{
interfaceList.AddRange(interfaces);
}
AddDefaultInterfaces(interfaceList);
if (targetType.IsSerializable)
{
delegateToBaseGetObjectData = VerifyIfBaseImplementsGetObjectData(targetType);
if (!interfaceList.Contains(typeof(ISerializable)))
{
interfaceList.Add(typeof(ISerializable));
}
}
ClassEmitter emitter = BuildClassEmitter(newName, targetType, interfaceList);
SetGenerationOptions (options, emitter);
emitter.DefineCustomAttribute(new XmlIncludeAttribute(targetType));
// Custom attributes
ReplicateNonInheritableAttributes(targetType, emitter);
// Fields generations
FieldReference interceptorsField =
emitter.CreateField("__interceptors", typeof(IInterceptor[]));
// Implement builtin Interfaces
ImplementProxyTargetAccessor(targetType, emitter,interceptorsField);
emitter.DefineCustomAttributeFor(interceptorsField, new XmlIgnoreAttribute());
// Collect methods
PropertyToGenerate[] propsToGenerate;
EventToGenerate[] eventToGenerates;
MethodInfo[] methods = CollectMethodsAndProperties(emitter, targetType, out propsToGenerate, out eventToGenerates);
options.Hook.MethodsInspected();
// Constructor
ConstructorEmitter typeInitializer = GenerateStaticConstructor(emitter);
CreateInitializeCacheMethodBody(targetType, methods, emitter, typeInitializer);
GenerateConstructors(emitter, targetType, interceptorsField);
GenerateParameterlessConstructor(emitter, targetType, interceptorsField);
if (delegateToBaseGetObjectData)
{
GenerateSerializationConstructor(emitter, interceptorsField, delegateToBaseGetObjectData);
}
// Implement interfaces
if (interfaces != null && interfaces.Length != 0)
{
foreach(Type inter in interfaces)
{
ImplementBlankInterface(targetType, inter, emitter, interceptorsField, typeInitializer);
}
}
// Create callback methods
Dictionary<MethodInfo, MethodBuilder> method2Callback = new Dictionary<MethodInfo, MethodBuilder>();
foreach(MethodInfo method in methods)
{
method2Callback[method] = CreateCallbackMethod(emitter, method, method);
}
// Create invocation types
Dictionary<MethodInfo, NestedClassEmitter> method2Invocation = new Dictionary<MethodInfo, NestedClassEmitter>();
foreach(MethodInfo method in methods)
{
MethodBuilder callbackMethod = method2Callback[method];
method2Invocation[method] = BuildInvocationNestedType(emitter, targetType,
emitter.TypeBuilder,
method, callbackMethod,
ConstructorVersion.WithoutTargetMethod);
}
// Create methods overrides
Dictionary<MethodInfo, MethodEmitter> method2Emitter = new Dictionary<MethodInfo, MethodEmitter>();
foreach(MethodInfo method in methods)
{
if (method.IsSpecialName &&
(method.Name.StartsWith("get_") || method.Name.StartsWith("set_") ||
method.Name.StartsWith("add_") || method.Name.StartsWith("remove_")) ||
methodsToSkip.Contains(method))
{
continue;
}
NestedClassEmitter nestedClass = method2Invocation[method];
MethodEmitter newProxiedMethod = CreateProxiedMethod(
targetType, method, emitter, nestedClass, interceptorsField, SelfReference.Self,
ConstructorVersion.WithoutTargetMethod, null);
ReplicateNonInheritableAttributes(method, newProxiedMethod);
method2Emitter[method] = newProxiedMethod;
}
foreach(PropertyToGenerate propToGen in propsToGenerate)
{
if (propToGen.CanRead)
{
NestedClassEmitter nestedClass = method2Invocation[propToGen.GetMethod];
MethodAttributes atts = ObtainMethodAttributes(propToGen.GetMethod);
MethodEmitter getEmitter = propToGen.Emitter.CreateGetMethod(atts);
ImplementProxiedMethod(targetType, getEmitter,
propToGen.GetMethod, emitter,
nestedClass, interceptorsField, SelfReference.Self,
ConstructorVersion.WithoutTargetMethod, null);
ReplicateNonInheritableAttributes(propToGen.GetMethod, getEmitter);
}
if (propToGen.CanWrite)
{
NestedClassEmitter nestedClass = method2Invocation[propToGen.SetMethod];
MethodAttributes atts = ObtainMethodAttributes(propToGen.SetMethod);
MethodEmitter setEmitter = propToGen.Emitter.CreateSetMethod(atts);
ImplementProxiedMethod(targetType, setEmitter,
propToGen.SetMethod, emitter,
nestedClass, interceptorsField, SelfReference.Self,
ConstructorVersion.WithoutTargetMethod, null);
ReplicateNonInheritableAttributes(propToGen.SetMethod, setEmitter);
}
}
foreach(EventToGenerate eventToGenerate in eventToGenerates)
{
NestedClassEmitter add_nestedClass = method2Invocation[eventToGenerate.AddMethod];
MethodAttributes add_atts = ObtainMethodAttributes(eventToGenerate.AddMethod);
MethodEmitter addEmitter = eventToGenerate.Emitter.CreateAddMethod(add_atts);
ImplementProxiedMethod(targetType, addEmitter,
eventToGenerate.AddMethod, emitter,
add_nestedClass, interceptorsField, SelfReference.Self,
ConstructorVersion.WithoutTargetMethod, null);
ReplicateNonInheritableAttributes(eventToGenerate.AddMethod, addEmitter);
NestedClassEmitter remove_nestedClass = method2Invocation[eventToGenerate.RemoveMethod];
MethodAttributes remove_atts = ObtainMethodAttributes(eventToGenerate.RemoveMethod);
MethodEmitter removeEmitter = eventToGenerate.Emitter.CreateRemoveMethod(remove_atts);
ImplementProxiedMethod(targetType, removeEmitter,
eventToGenerate.RemoveMethod, emitter,
remove_nestedClass, interceptorsField, SelfReference.Self,
ConstructorVersion.WithoutTargetMethod, null);
ReplicateNonInheritableAttributes(eventToGenerate.RemoveMethod, removeEmitter);
}
ImplementGetObjectData(emitter, interceptorsField, interfaces);
// Complete type initializer code body
CompleteInitCacheMethod(typeInitializer.CodeBuilder);
// Build type
type = emitter.BuildType();
InitializeStaticFields (type);
AddToCache(cacheKey, type);
}
finally
{
rwlock.ReleaseWriterLock();
}
Scope.SaveAssembly();
return type;
}
public Type GetGeneratedType()
{
var cacheKey = new CacheKey(targetType, targetType, additionalInterfacesToProxy, ProxyGenerationOptions);
return ObtainProxyType(cacheKey, GenerateType);
}
/// <summary>
/// Registers a type in this scope's type cache.
/// </summary>
/// <param name = "key">The key to be associated with the type.</param>
/// <param name = "type">The type to be stored in the cache.</param>
public void RegisterInCache(CacheKey key, Type type)
{
typeCache[key] = type;
}
private Type GetDelegateType(MetaMethod method, ClassEmitter @class, ProxyGenerationOptions options)
{
var scope = @class.ModuleScope;
var key = new CacheKey(
typeof(Delegate),
targetType,
new[] { method.MethodOnTarget.ReturnType }
.Concat(ArgumentsUtil.GetTypes(method.MethodOnTarget.GetParameters())).
ToArray(),
null);
var type = scope.GetFromCache(key);
if (type != null)
return type;
type = new DelegateTypeGenerator(method, targetType)
.Generate(@class, options, namingScope)
.BuildType();
scope.RegisterInCache(key, type);
return type;
}
protected void AddToCache(CacheKey key, Type type)
{
scope.RegisterInCache(key, type);
}
public void EqualWithProxyForType()
{
CacheKey key1 = new CacheKey(typeof (NonPublicConstructorClass).GetTypeInfo(), null, null, ProxyGenerationOptions.Default);
CacheKey key2 = new CacheKey(typeof (NonPublicConstructorClass).GetTypeInfo(), null, null, ProxyGenerationOptions.Default);
Assert.AreEqual(key1, key2);
CacheKey key3 = new CacheKey(null, null, null, ProxyGenerationOptions.Default);
Assert.AreNotEqual(key1, key3);
Assert.AreNotEqual(key3, key1);
CacheKey key4 = new CacheKey(null, null, null, ProxyGenerationOptions.Default);
Assert.AreEqual(key4, key3);
Assert.AreEqual(key3, key4);
}
public void EqualNullAndEmptyInterfaces()
{
CacheKey key1 = new CacheKey(typeof (NonPublicConstructorClass).GetTypeInfo(), null, null, ProxyGenerationOptions.Default);
CacheKey key2 = new CacheKey(typeof (NonPublicConstructorClass).GetTypeInfo(), null, Type.EmptyTypes,
ProxyGenerationOptions.Default);
Assert.AreEqual(key1, key2);
Assert.AreEqual(key2, key1);
}
public void CacheMappingsHoldTypes()
{
var scope = new ModuleScope(true);
var builder = new DefaultProxyBuilder(scope);
var cp = builder.CreateClassProxyType(typeof (object), Type.EmptyTypes, ProxyGenerationOptions.Default);
var savedPath = scope.SaveAssembly();
CrossAppDomainCaller.RunInOtherAppDomain(delegate(object[] args)
{
var assembly = Assembly.LoadFrom((string) args[0]);
var attribute =
(CacheMappingsAttribute)
assembly.GetCustomAttributes(typeof (CacheMappingsAttribute), false)[0];
var entries = attribute.GetDeserializedMappings();
Assert.AreEqual(1, entries.Count);
var key = new CacheKey(typeof (object), new Type[0],
ProxyGenerationOptions.Default);
Assert.IsTrue(entries.ContainsKey(key));
Assert.AreEqual(args[1], entries[key]);
},
savedPath, cp.FullName);
File.Delete(savedPath);
}
public void EquivalentOptions()
{
ProxyGenerationOptions options1 = new ProxyGenerationOptions();
ProxyGenerationOptions options2 = new ProxyGenerationOptions();
CacheKey key1 = new CacheKey(typeof (NonPublicConstructorClass), null, options1);
CacheKey key2 = new CacheKey(typeof (NonPublicConstructorClass), null, options2);
Assert.AreEqual(key1, key2);
}
/// <summary>
/// Returns a type from this scope's type cache, or null if the key cannot be found.
/// </summary>
/// <param name = "key">The key to be looked up in the cache.</param>
/// <returns>The type from this scope's type cache matching the key, or null if the key cannot be found</returns>
public Type GetFromCache(CacheKey key)
{
Type type;
typeCache.TryGetValue(key, out type);
return type;
}
/// <summary>
/// Returns a type from this scope's type cache, or null if the key cannot be found.
/// </summary>
/// <param name="key">The key to be looked up in the cache.</param>
/// <returns>The type from this scope's type cache matching the key, or null if the key cannot be found</returns>
public Type GetFromCache(CacheKey key)
{
Type type;
if (typeCache.TryGetValue(key, out type))
return type;
else
return null;
}
