/// <inheritdoc cref="IDependencyEmitter" />
public FieldBuilder CreateInterceptorDependency(TypeBuilder type)
{
Ensures.NotNull(type, nameof(type));
var field = type.DefineField(
"_interceptor",
typeof(IInterceptor),
FieldAttributes.Private | FieldAttributes.InitOnly);
return(field);
}
/// <inheritdoc cref="IMockBehavior{TMock}" />
public ICallBehavior <TMock> That(Expression <Action <TMock> > mockedCall)
{
Ensures.NotNull(mockedCall, nameof(mockedCall));
if (mockedCall.Body is MethodCallExpression methodCall)
{
return(new CallBehavior <TMock>(Arrangements, methodCall.Method, this));
}
throw new NotImplementedException();
}
/// <inheritdoc cref="IAssemblyEmitter" />
public ITypeDecoratorEmitter EmitDecoratorType(string typeFullName)
{
Ensures.NotNull(typeFullName, nameof(typeFullName));
var builder = Module.Value.DefineType(
typeFullName,
TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.Class);
var emitter = CreateTypeDecoratorEmitter(builder);
return(emitter);
}
/// <inheritdoc cref="IArrangement" />
public bool CanApplyTo(IInvocation invocation)
{
Ensures.NotNull(invocation, nameof(invocation));
if (invocation.HasFeature <IReturnValue <T> >())
{
return(invocation.Signature == Signature);
}
return(false);
}
/// <inheritdoc cref="IArrangement" />
public bool TryApplyTo(IInvocation invocation)
{
Ensures.NotNull(invocation, nameof(invocation));
if (invocation.Signature == Signature)
{
throw ExceptionFactory();
}
return(false);
}
/// <summary>
/// Emits a call to the <see cref="IInterceptor.Intercept(IInvocation)"/> method.
/// </summary>
/// <param name="body"> The body of the dynamic method or property. </param>
/// <param name="interceptorField"> The <see cref="IInterceptor"/> backing field. </param>
/// <param name="invocationVariable"> The local <see cref="IInvocation"/> variable. </param>
/// <remarks>
/// Emits the following source code:
///
/// <![CDATA[
/// _interceptor.Intercept(invocation);
/// ]]>
/// </remarks>
public static void EmitInterceptCall(
this ILGenerator body, FieldBuilder interceptorField, LocalBuilder invocationVariable)
{
Ensures.NotNull(interceptorField, nameof(interceptorField));
Ensures.NotNull(invocationVariable, nameof(invocationVariable));
body.Emit(OpCodes.Ldarg_0);
body.Emit(OpCodes.Ldfld, interceptorField);
body.Emit(OpCodes.Ldloc, invocationVariable.LocalIndex);
body.Emit(OpCodes.Callvirt, Intercept.Value);
body.Emit(OpCodes.Pop);
}
/// <inheritdoc cref="IArrangementCollection" />
public bool TryApplyTo(IInvocation invocation)
{
Ensures.NotNull(invocation, nameof(invocation));
var wasOneArrangementApplied = false;
foreach (var arrangement in Arrangements)
{
wasOneArrangementApplied |= arrangement.TryApplyTo(invocation);
}
return(wasOneArrangementApplied);
}
/// <inheritdoc cref="IDependencyEmitter" />
public FieldBuilder CreateDecorateeDependency(TypeBuilder type, Type decorateeType)
{
Ensures.NotNull(type, nameof(type));
Ensures.NotNull(decorateeType, nameof(decorateeType));
var field = type.DefineField(
"_decoratee",
decorateeType,
FieldAttributes.Private | FieldAttributes.InitOnly);
return(field);
}
/// <summary>
/// Emits code to return the <see cref="IReturnValue{T}.ReturnValue"/>.
/// </summary>
/// <param name="body"> The body of the dynamic method. </param>
/// <param name="returnValueFeatureVariable"> The emitted local <see cref="IReturnValue{T}"/> variable. </param>
/// <typeparam name="T"> The concrete type of the return value. </typeparam>
/// <remarks>
/// Emits the following source code:
/// <![CDATA[
/// return returnValueFeature.ReturnValue;
/// ]]>
/// </remarks>
public static void EmitReturnStatement <T>(
this ILGenerator body,
LocalBuilder returnValueFeatureVariable)
{
Ensures.NotNull(returnValueFeatureVariable, nameof(returnValueFeatureVariable));
body.Emit(OpCodes.Ldloc, returnValueFeatureVariable.LocalIndex);
var returnValueSignature = ReturnValueFeaturePropertyCache.GetOrAdd(typeof(T), GetReturnValue <T>());
body.Emit(OpCodes.Callvirt, returnValueSignature);
body.Emit(OpCodes.Ret);
}
/// <summary>
/// Emits code to return the <see cref="IAsyncInvocation{T}.AsyncReturnValue"/>.
/// </summary>
/// <param name="body"> The body of the dynamic method. </param>
/// <param name="asyncFeatureVariable"> The emitted local <see cref="IAsyncInvocation{T}"/> variable. </param>
/// <typeparam name="T"> The concrete type of the <see cref="IAsyncInvocation"/> feature. </typeparam>
/// <remarks>
/// Emits the following source code:
/// <![CDATA[
/// return asyncFeature.AsyncReturnValue;
/// ]]>
/// </remarks>
public static void EmitAsyncReturnStatement <T>(
this ILGenerator body,
LocalBuilder asyncFeatureVariable)
where T : IAsyncInvocation
{
Ensures.NotNull(asyncFeatureVariable, nameof(asyncFeatureVariable));
body.Emit(OpCodes.Ldloc, asyncFeatureVariable.LocalIndex);
var asyncReturnValueSignature = AsyncFeatureReturnValueCache.GetOrAdd(typeof(T), GetAsyncFeatureReturnValue <T>());
body.Emit(OpCodes.Callvirt, asyncReturnValueSignature);
body.Emit(OpCodes.Ret);
}
/// <inheritdoc cref="IDynamicProxyFactory" />
public T CreateDecorator <T>(T decoratee, IInterceptor interceptor) where T : notnull
{
Ensures.NotNull(interceptor, nameof(interceptor));
var signature = typeof(T);
var decorator = CreateDecorator(signature, decoratee, interceptor);
if (decorator is T typedDecorator)
{
return(typedDecorator);
}
throw new Exception($"Unable to create a decorator for interface {signature.Name}");
}
/// <summary>
/// Emits code to create a new <see cref="PropertyInvocation"/> instance for the given feature.
/// </summary>
/// <param name="body"> The body of the dynamic method. </param>
/// <param name="propertySignatureVariable"> The emitted local <see cref="PropertyInfo"/> variable. </param>
/// <param name="propertyFeatureVariable"> The emitted local <see cref="PropertyInvocation"/> variable. </param>
/// <remarks>
/// Emits the following source code:
/// <![CDATA[
/// propertyFeature = new PropertyInvocation(propertySignature);
/// ]]>
/// </remarks>
public static void EmitNewPropertyFeature(
this ILGenerator body,
LocalBuilder propertySignatureVariable,
LocalBuilder propertyFeatureVariable)
{
Ensures.NotNull(propertySignatureVariable, nameof(propertySignatureVariable));
Ensures.NotNull(propertyFeatureVariable, nameof(propertyFeatureVariable));
// propertySignature
body.Emit(OpCodes.Ldloc, propertySignatureVariable.LocalIndex);
// propertyFeature = new PropertyInvocation(...)
body.Emit(OpCodes.Newobj, CreatePropertyInvocation.Value);
body.Emit(OpCodes.Stloc, propertyFeatureVariable.LocalIndex);
}
/// <inheritdoc cref="IArrangement" />
public bool CanApplyTo(IInvocation invocation)
{
Ensures.NotNull(invocation, nameof(invocation));
if (invocation.TryGetFeature <IParameterOut>(out var outParameterFeature))
{
if (invocation.Signature == Signature)
{
return(outParameterFeature
.OutParameterCollection
.Any(p => p.Name == OutParameterName && p.Type == typeof(T)));
}
}
return(false);
}
/// <summary>
/// Emits a call to the <see cref="IInterceptor.Intercept(IInvocation)"/> method along with an if statement.
/// </summary>
/// <param name="body"> The body of the dynamic method or property. </param>
/// <param name="interceptorField"> The <see cref="IInterceptor"/> backing field. </param>
/// <param name="invocationVariable"> The local <see cref="IInvocation"/> variable. </param>
/// <param name="elseLabel"> The label that defines the start of the "else" block. </param>
/// <remarks>
/// Emits the following source code:
///
/// <![CDATA[
/// if(_interceptor.Intercept(invocation))
/// ]]>
/// </remarks>
public static void EmitIfInterceptCall(
this ILGenerator body,
FieldBuilder interceptorField,
LocalBuilder invocationVariable,
out Label elseLabel)
{
Ensures.NotNull(interceptorField, nameof(interceptorField));
Ensures.NotNull(invocationVariable, nameof(invocationVariable));
body.Emit(OpCodes.Ldarg_0);
body.Emit(OpCodes.Ldfld, interceptorField);
body.Emit(OpCodes.Ldloc, invocationVariable.LocalIndex);
body.Emit(OpCodes.Callvirt, Intercept.Value);
elseLabel = body.DefineLabel();
body.Emit(OpCodes.Brtrue_S, elseLabel);
}
/// <summary>
/// Emits code to create a new parameter feature instance for the given feature.
/// </summary>
/// <typeparam name="T">
/// <see cref="ParameterIn"/>, <see cref="ParameterRef"/> or <see cref="ParameterOut"/>.
/// </typeparam>
/// <param name="body"> The body of the dynamic method. </param>
/// <param name="methodSignatureVariable"> The emitted local <see cref="MethodInfo"/> variable. </param>
/// <param name="parameterSignatures"> The dynamic method's parameter signatures. </param>
/// <param name="parameterFeatureVariable"> The emitted local parameter variable. </param>
/// <remarks>
/// Emits the following source code:
///
/// <![CDATA[
/// parameterFeature = new ParameterIn/Ref(methodSignature, new[] { parameter1, ... parameterN });
/// ]]>
///
/// or
///
/// <![CDATA[
/// parameterFeature = new ParameterOut(methodSignature);
/// ]]>
/// </remarks>
public static void EmitNewParameterFeature <T>(
this ILGenerator body,
LocalBuilder methodSignatureVariable,
ParameterInfo[] parameterSignatures,
LocalBuilder parameterFeatureVariable)
{
Ensures.NotNull(methodSignatureVariable, nameof(methodSignatureVariable));
Ensures.NotNull(parameterSignatures, nameof(parameterSignatures));
Ensures.NotNull(parameterFeatureVariable, nameof(parameterFeatureVariable));
// methodSignature
body.Emit(OpCodes.Ldloc, methodSignatureVariable.LocalIndex);
if (typeof(T) != typeof(ParameterOut))
{
// new[] { parameter1, ... parameterN }
body.Emit(OpCodes.Ldc_I4, parameterSignatures.Length);
body.Emit(OpCodes.Newarr, typeof(object));
for (var i = 0; i < parameterSignatures.Length; ++i)
{
body.Emit(OpCodes.Dup);
body.Emit(OpCodes.Ldc_I4, i);
body.Emit(OpCodes.Ldarg, parameterSignatures[i].Position + 1);
var type = parameterSignatures[i].ParameterType;
if (type.IsByRef)
{
type = type.GetElementType()
?? throw new MethodInfoException(typeof(Type), nameof(Type.GetElementType));
body.Emit(OpCodes.Ldobj, type);
}
if (type.IsValueType)
{
body.Emit(OpCodes.Box, type);
}
body.Emit(OpCodes.Stelem_Ref);
}
}
// parameterFeature = new ParameterIn/Ref/Out(...)
var featureCtor = ParameterFeatureCache.GetOrAdd(typeof(T), _ => InitializeParameterFeature <T>());
body.Emit(OpCodes.Newobj, featureCtor);
body.Emit(OpCodes.Stloc, parameterFeatureVariable.LocalIndex);
}
/// <inheritdoc cref="IArrangement" />
public bool TryApplyTo(IInvocation invocation)
{
Ensures.NotNull(invocation, nameof(invocation));
if (invocation.Signature == Signature)
{
if (invocation.HasFeature <IAsyncInvocation>())
{
if (invocation.TryGetFeature <IAsyncInvocation <T> >(out var asyncFeature))
{
asyncFeature.AsyncReturnValue = GetNextReturnValue();
return(true);
}
else if (invocation.TryGetFeature <IAsyncInvocation <Task <T> > >(out var asyncTaskFeature))
{
var returnValue = GetNextReturnValue();
asyncTaskFeature.AsyncReturnValue = Task.FromResult(returnValue);
return(true);
}
else if (invocation.TryGetFeature <IAsyncInvocation <ValueTask <T> > >(out var asyncValueTaskFeature))
{
var returnValue = GetNextReturnValue();
asyncValueTaskFeature.AsyncReturnValue = new ValueTask <T>(returnValue);
return(true);
}
else if (invocation.TryGetFeature <IAsyncInvocation <IAsyncEnumerable <T> > >(out var asyncEnumerableFeature))
{
var returnValue = GetNextReturnValue();
asyncEnumerableFeature.AsyncReturnValue = AsyncEnumerable.Create(_ =>
AsyncEnumerator.Create(
() => new ValueTask <bool>(true),
() => returnValue,
() => default));
return(true);
}
}
else if (invocation.TryGetFeature <IReturnValue <T> >(out var returnValueFeature))
{
returnValueFeature.ReturnValue = GetNextReturnValue();
return(true);
}
}
return(false);
}
/// <inheritdoc cref="IMockedDependencyFactory" />
public IMockedDependency CreateMockedDependency(Type dependency, MockBehavior behavior)
{
Ensures.NotNull(dependency, nameof(dependency));
Ensures.IsInterface(dependency);
var arrangements = new ArrangementCollection();
var interceptor = InterceptorFactory.CreateInterceptorFor(behavior, arrangements);
var proxy = DynamicProxyFactory.CreateForInterface(dependency, interceptor);
var mockedDependencyType = typeof(MockedDependency <>).MakeGenericType(dependency);
var instance = Activator.CreateInstance(mockedDependencyType, new[] { arrangements, interceptor, proxy });
if (instance is IMockedDependency mockedDependency)
{
return(mockedDependency);
}
throw new InvalidOperationException("Invalid mocked dependency instance");
}
/// <inheritdoc cref="IInterceptor" />
public bool Intercept(IInvocation invocation)
{
Ensures.NotNull(invocation, nameof(invocation));
if (invocation.TryGetFeature <IPropertySetterValue>(out var setter))
{
if (DiscoveredSetter == null)
{
DiscoveredSetter = setter.Signature.GetSetMethod();
return(true);
}
else
{
throw new Exception("Discovered more than one property setter call");
}
}
return(false);
}
/// <inheritdoc cref="IMockBehavior{TMock}" />
public ICallBehavior <TMock, TResult> That <TResult>(Expression <Func <TMock, TResult> > mockedCall)
{
Ensures.NotNull(mockedCall, nameof(mockedCall));
if (mockedCall.Body is MethodCallExpression methodCall)
{
return(new CallBehavior <TMock, TResult>(Arrangements, methodCall.Method, this));
}
else if (mockedCall.Body is MemberExpression expression)
{
if (expression.Member is PropertyInfo signature && signature.CanRead)
{
var getter = signature.GetGetMethod() ?? throw new Exception($"Property {signature.Name} has no getter");
return(new CallBehavior <TMock, TResult>(Arrangements, getter, this));
}
}
throw new NotImplementedException();
}
/// <inheritdoc cref="IMockBehavior{TMock}" />
public ICallBehavior <TMock> ThatAssigning(Action <TMock> mockedSetterCall)
{
Ensures.NotNull(mockedSetterCall, nameof(mockedSetterCall));
var interceptor = new PropertySetterInterceptor();
try
{
var proxy = ProxyFactory.Value.CreateForInterface <TMock>(interceptor);
mockedSetterCall(proxy);
}
catch (Exception e)
{
throw new Exception("Action is no valid property setter", e);
}
var setter = interceptor.DiscoveredSetter ?? throw new Exception($"Property has no setter");
return(new CallBehavior <TMock>(Arrangements, setter, this));
}
/// <inheritdoc cref="IInterceptorFactory" />
public IInterceptor CreateInterceptorFor(MockBehavior behavior, IArrangementCollection arrangements)
{
Ensures.NotNull(arrangements);
if (behavior == MockBehavior.Loose)
{
return(new LooseMockInterceptor(arrangements));
}
if (behavior == MockBehavior.Strict)
{
return(new StrictMockInterceptor(arrangements));
}
if (behavior == MockBehavior.Partial)
{
return(new PartialMockInterceptor(arrangements));
}
throw new NotSupportedException();
}
/// <summary>
/// Emit a call to <see cref="IParameterRefOrOut.GetValue{T}(string)"/> and store the result in the
/// associated ref or out parameter of the intercepted method.
/// </summary>
/// <typeparam name="T">
/// <see cref="ParameterRef"/> or <see cref="ParameterOut"/>.
/// </typeparam>
/// <param name="body"> The body of the dynamic method. </param>
/// <param name="parameterSignatures"> The signatures of the ref/out parameter to be synced. </param>
/// <param name="parameterRefFeatureVariable"> The emitted local parameter ref/out feature variable. </param>
/// <remarks>
/// Emits the following source code:
/// <![CDATA[
/// ref/outParameter1 = parameterRef/OutFeature.GetValue<ParameterType1>("ParameterName1");
/// ...
/// ref/outParameterN = parameterRef/OutFeature.GetValue<ParameterTypeN>("ParameterNameN");
/// ]]>
/// </remarks>
public static void EmitSyncParameter <T>(
this ILGenerator body,
ParameterInfo[] parameterSignatures,
LocalBuilder parameterRefFeatureVariable)
{
Ensures.NotNull(parameterSignatures, nameof(parameterSignatures));
Ensures.NotNull(parameterRefFeatureVariable, nameof(parameterRefFeatureVariable));
foreach (var parameterSignature in parameterSignatures)
{
body.Emit(OpCodes.Ldarg, parameterSignature.Position + 1);
body.Emit(OpCodes.Ldloc, parameterRefFeatureVariable.LocalIndex);
body.Emit(OpCodes.Ldstr, parameterSignature.Name ?? "unknown");
var type = parameterSignature.ParameterType.GetElementType()
?? throw new MethodInfoException(typeof(Type), nameof(Type.GetElementType));
var getValue = ParameterGetValueCache.GetOrAdd(type, _ => InitializeParameterGetValue(type));
body.Emit(OpCodes.Callvirt, getValue);
body.Emit(OpCodes.Stobj, type);
}
}
/// <inheritdoc cref="IArrangement" />
public bool TryApplyTo(IInvocation invocation)
{
Ensures.NotNull(invocation, nameof(invocation));
if (invocation.Signature == Signature)
{
if (invocation.TryGetFeature <IParameterOut>(out var outParameterFeature))
{
var parameter = outParameterFeature
.OutParameterCollection
.SingleOrDefault(p => p.Name == OutParameterName && p.Type == typeof(T));
if (parameter != null)
{
parameter.Value = OutParameterValue;
return(true);
}
}
}
return(false);
}
/// <inheritdoc cref="IDynamicProxyFactory" />
public object CreateForInterface(Type signature, IInterceptor interceptor)
{
Ensures.NotNull(signature, nameof(signature));
Ensures.NotNull(interceptor, nameof(interceptor));
try
{
var proxyType = ProxyTypeCache.GetOrAdd(signature, EmitProxyTypeFor);
var proxy = Activator.CreateInstance(proxyType, new[] { interceptor });
if (proxy != null)
{
return(proxy);
}
}
catch (Exception e)
{
throw new Exception($"Unable to create a proxy for interface {signature.Name}", e);
}
throw new Exception($"Unable to create a proxy for interface {signature.Name}");
}
/// <inheritdoc cref="IDynamicProxyFactory" />
public object CreateDecorator(Type signature, object decoratee, IInterceptor interceptor)
{
Ensures.NotNull(signature, nameof(signature));
Ensures.NotNull(decoratee, nameof(decoratee));
Ensures.NotNull(interceptor, nameof(interceptor));
try
{
var decoratorType = PartialProxyTypeCache.GetOrAdd(signature, EmitPartialProxyTypeFor);
var decorator = Activator.CreateInstance(decoratorType, new[] { decoratee, interceptor });
if (decorator != null)
{
return(decorator);
}
}
catch (Exception e)
{
throw new Exception($"Unable to create a decorator for interface {signature.Name}", e);
}
throw new Exception($"Unable to create a decorator for interface {signature.Name}");
}
/// <inheritdoc cref="ITypeEmitter" />
public void ImplementInterface(Type signature)
{
Ensures.NotNull(signature);
Ensures.IsInterface(signature);
var interceptorField = Dependencies.CreateInterceptorDependency(Type);
Dependencies.CreateConstructor(Type, interceptorField);
Type.AddInterfaceImplementation(signature);
foreach (var property in signature.GetProperties())
{
var emitter = PropertyEmitterFactory.CreatePropertyEmitterFor(property, Type, interceptorField);
emitter.EmitPropertyImplementation();
}
foreach (var method in signature.GetMethods().Where(m => !m.IsSpecialName))
{
var emitter = MethodEmitterFactory.CreateMethodEmitterFor(method, Type, interceptorField);
emitter.EmitMethodImplementation();
}
}
/// <summary>
/// Creates a new instance of the <see cref="ParameterIn"/> type.
/// </summary>
/// <param name="signature"> The intercepted method's signature. </param>
/// <param name="values"> The intercepted method's in(put) parameters. </param>
public ParameterIn(MethodInfo signature, object?[] values)
{
Ensures.NotNull(signature, nameof(signature));
Ensures.NotNull(values, nameof(values));
var inputParameter = new List <Parameter>();
var methodParameter = signature.GetParameters();
for (var i = 0; i < values.Length; ++i)
{
var parameter = methodParameter[i];
if (!parameter.IsOut && !parameter.ParameterType.IsByRef)
{
var value = values[i];
inputParameter.Add(new Parameter(
parameter.Name ?? "unknown",
parameter.ParameterType,
value));
}
}
InputParameterCollection = inputParameter;
}
/// <summary>
/// Emits code to create a new <see cref="Invocation"/> instance for the given method signature and features.
/// </summary>
/// <param name="body"> The body of the dynamic method. </param>
/// <param name="invocationVariable"> The local <see cref="Invocation"/> variable. </param>
/// <param name="methodSignatureVariable"> The emitted local <see cref="MethodInfo"/> variable. </param>
/// <param name="invocationFeatureVariables"> A colleciton of local <see cref="IInvocationFeature"/> variables. </param>
/// <remarks>
/// Emits the following source code:
/// <![CDATA[
/// invocation = new Invocation(methodSignature, feature1, feature2, ... featureN);
/// ]]>
/// </remarks>
public static void EmitNewInvocation(
this ILGenerator body,
LocalBuilder invocationVariable,
LocalBuilder methodSignatureVariable,
IReadOnlyList <LocalBuilder> invocationFeatureVariables)
{
Ensures.NotNull(invocationVariable, nameof(invocationVariable));
Ensures.NotNull(methodSignatureVariable, nameof(methodSignatureVariable));
Ensures.NotNull(invocationFeatureVariables, nameof(invocationFeatureVariables));
// methodSignature
body.Emit(OpCodes.Ldloc, methodSignatureVariable.LocalIndex);
if (invocationFeatureVariables == null || invocationFeatureVariables.Count == 0)
{
// Array.Empty<IInvocationFeature>()
body.Emit(OpCodes.Call, ArrayEmptyInvocationFeature.Value);
}
else
{
// feature1, feature2, ... featurenN
body.Emit(OpCodes.Ldc_I4, invocationFeatureVariables.Count);
body.Emit(OpCodes.Newarr, typeof(IInvocationFeature));
for (var i = 0; i < invocationFeatureVariables.Count; ++i)
{
var feature = invocationFeatureVariables[i];
body.Emit(OpCodes.Dup);
body.Emit(OpCodes.Ldc_I4, i);
body.Emit(OpCodes.Ldloc, feature.LocalIndex);
body.Emit(OpCodes.Stelem_Ref);
}
}
// invocation = new Invocation(...)
body.Emit(OpCodes.Newobj, CreateInvocation.Value);
body.Emit(OpCodes.Stloc, invocationVariable.LocalIndex);
}
/// <inheritdoc cref="ICompositionRoot" />
public void Compose(IServiceRegistry serviceRegistry)
{
Ensures.NotNull(serviceRegistry, nameof(serviceRegistry));
serviceRegistry.Register <IDynamicProxyFactory, DynamicProxyFactory>();
serviceRegistry.Register <IAssemblyEmitter, AssemblyEmitter>();
serviceRegistry.Register <IDependencyEmitter, DependencyEmitter>();
serviceRegistry.Register <IMethodEmitterFactory, MethodEmitterFactory>();
serviceRegistry.Register <IMethodDecoratorEmitterFactory, MethodDecoratorEmitterFactory>();
serviceRegistry.Register <IPropertyEmitterFactory, PropertyEmitterFactory>();
serviceRegistry.Register <IPropertyDecoratorEmitterFactory, PropertyDecoratorEmitterFactory>();
serviceRegistry.Register <TypeBuilder, ITypeEmitter>((factory, typeBuilder) =>
{
var dependencyEmitter = factory.GetInstance <IDependencyEmitter>();
var methodEmitterFactory = factory.GetInstance <IMethodEmitterFactory>();
var propertyEmitterFactory = factory.GetInstance <IPropertyEmitterFactory>();
return(new TypeEmitter(
typeBuilder,
dependencyEmitter,
methodEmitterFactory,
propertyEmitterFactory));
});
serviceRegistry.Register <TypeBuilder, ITypeDecoratorEmitter>((factory, typeBuilder) =>
{
var dependencyEmitter = factory.GetInstance <IDependencyEmitter>();
var methodEmitterFactory = factory.GetInstance <IMethodDecoratorEmitterFactory>();
var propertyEmitterFactory = factory.GetInstance <IPropertyDecoratorEmitterFactory>();
return(new TypeDecoratorEmitter(
typeBuilder,
dependencyEmitter,
methodEmitterFactory,
propertyEmitterFactory));
});
serviceRegistry.Register <IInterceptorFactory, InterceptorFactory>();
serviceRegistry.Register <IMockedDependencyFactory, MockedDependencyFactory>();
}
/// <summary>
/// Creates a new instance of the <see cref="ParameterRef"/> type.
/// </summary>
/// <param name="signature"> The intercepted method's signature. </param>
/// <param name="values"> The intercepted method's ref parameters. </param>
public ParameterRef(MethodInfo signature, object?[] values)
{
Ensures.NotNull(signature, nameof(signature));
Ensures.NotNull(values, nameof(values));
var refParameter = new List <Parameter>();
var methodParameter = signature.GetParameters();
for (var i = 0; i < methodParameter.Length; ++i)
{
var parameter = methodParameter[i];
if (parameter.ParameterType.IsByRef)
{
var value = values[i];
var type = parameter.ParameterType.GetElementType()
?? throw new MethodInfoException(typeof(Type), nameof(Type.GetElementType));
refParameter.Add(new Parameter(
parameter.Name ?? "unknown",
type,
value));
}
}
RefParameterCollection = refParameter;
}
