/// <summary>
/// Modifies the <paramref name="target"/> to support intercepting calls to the 'new' operator.
/// </summary>
/// <param name="target">The item to be modified.</param>
/// <param name="newInstanceFilter">The filter that will determine which constructor calls should be intercepted.</param>
/// <param name="methodFilter">The filter that will determine which host methods should be modified to support new instance interception.</param>
public static void InterceptNewInstances(this IReflectionStructureVisitable target,
INewInstanceFilter newInstanceFilter, IMethodFilter methodFilter)
{
var redirector = new RedirectNewInstancesToActivator(newInstanceFilter);
target.InterceptNewInstancesWith(redirector, methodFilter.ShouldWeave);
}
/// <summary>
/// Adds field interception support intercepting all static fields on the target type.
/// </summary>
/// <param name="targetType">The type that will be modified.</param>
public static void InterceptAllStaticFields(this IReflectionStructureVisitable targetType)
{
var methodFilter = GetMethodFilter();
var fieldFilter = GetFieldFilter();
targetType.InterceptFields(methodFilter, fieldFilter);
}
/// <summary>
/// Modifies the methods in the given <paramref name="target"/> using the custom <see cref="INewObjectWeaver"/> instance.
/// </summary>
/// <param name="target">The host that contains the methods that will be modified.</param>
/// <param name="weaver">The custom <see cref="INewObjectWeaver"/> that will replace all calls to the new operator with the custom code emitted by the given weaver.</param>
/// <param name="filter">The method filter that will determine which methods should be modified.</param>
public static void InterceptNewInstancesWith(this IReflectionStructureVisitable target, INewObjectWeaver weaver,
Func <MethodReference, bool> filter)
{
var interceptNewCalls = new InterceptNewCalls(weaver);
target.WeaveWith(interceptNewCalls, filter);
}
/// <summary>
/// Modifies the current <paramref name="target"/> to support third-party method call interception.
/// </summary>
/// <param name="target">The target object.</param>
/// <param name="typeFilter">The filter that will determine the target types that will be modified.</param>
/// <param name="hostMethodFilter">The filter that will determine the methods that will be modified on the target type.</param>
/// <param name="methodCallFilter">The filter that will determine which third-party methods will be intercepted on the target type.</param>
public static void InterceptMethodCalls(this IReflectionStructureVisitable target, Func <TypeReference, bool> typeFilter, Func <MethodReference, bool> hostMethodFilter, Func <MethodReference, bool> methodCallFilter)
{
var rewriter = new InterceptMethodCalls(hostMethodFilter, methodCallFilter);
target.Accept(new ImplementModifiableType(typeFilter));
target.WeaveWith(rewriter, hostMethodFilter);
}
/// <summary>
/// Adds field interception support intercepting all static fields on the target type.
/// </summary>
/// <param name="targetType">The type that will be modified.</param>
public static void InterceptAllStaticFields(this IReflectionStructureVisitable targetType)
{
Func <MethodReference, bool> methodFilter = GetMethodFilter();
Func <FieldReference, bool> fieldFilter = GetFieldFilter(f => f.IsStatic);
targetType.InterceptFields(methodFilter, fieldFilter);
}
/// <summary>
/// Transforms the methods in the <paramref name="target"/> using the given method rewriter.
/// </summary>
/// <param name="target">The transformation target.</param>
/// <param name="rewriter">The method rewriter.</param>
/// <param name="filter">The method filter that determines which methods will be rewritten.</param>
public static void WeaveWith(this IReflectionStructureVisitable target, IMethodRewriter rewriter,
Func <MethodReference, bool> filter)
{
var weaver = new MethodWeaver(rewriter, filter);
target.Accept(weaver);
}
/// <summary>
/// Modifies the current <paramref name="target"/> to support third-party method call interception for all method calls made inside the target.
/// </summary>
/// <param name="target">The target object.</param>
/// <param name="typeFilter">The type filter that determines which types will be modified for interception.</param>
public static void InterceptMethodCalls(this IReflectionStructureVisitable target,
Func <TypeReference, bool> typeFilter)
{
var hostMethodFilter = GetHostMethodFilter();
Func <MethodReference, bool> methodCallFilter = m => true;
InterceptMethodCalls(target, typeFilter, hostMethodFilter, methodCallFilter);
}
/// <summary>
/// Adds field interception support to the target type.
/// </summary>
/// <param name="targetType">The type that will be modified.</param>
/// <param name="methodFilter">The filter that determines which methods on the target type will be modified to support field interception.</param>
/// <param name="fieldFilter">The filter that determines which fields should be intercepted.</param>
public static void InterceptFields(this IReflectionStructureVisitable targetType, Func <MethodReference, bool> methodFilter, Func <FieldReference, bool> fieldFilter)
{
var typeWeaver = new ImplementFieldInterceptionHostWeaver(t => true);
var fieldWeaver = new InterceptFieldAccess(fieldFilter);
targetType.WeaveWith(fieldWeaver, methodFilter);
targetType.Accept(typeWeaver);
}
/// <summary>
/// Adds field interception support to the target type.
/// </summary>
/// <param name="targetType">The type that will be modified.</param>
/// <param name="hostTypeFilter">The filter that determines the host types to be modified.</param>
/// <param name="fieldFilter">The field filter that determines the fields that will be intercepted.</param>
public static void InterceptFields(this IReflectionStructureVisitable targetType, ITypeFilter hostTypeFilter,
IFieldFilter fieldFilter)
{
var typeWeaver = new ImplementFieldInterceptionHostWeaver(hostTypeFilter.ShouldWeave);
var fieldWeaver = new InterceptFieldAccess(fieldFilter);
targetType.WeaveWith(fieldWeaver, m => true);
targetType.Accept(typeWeaver);
}
public static void InterceptMethodBody(this IReflectionStructureVisitable target,
Func <MethodReference, bool> methodFilter, Func <TypeReference, bool> typeFilter)
{
target.Accept(new ImplementModifiableType(typeFilter));
var interceptMethodBody = new InterceptMethodBody(methodFilter);
target.WeaveWith(interceptMethodBody, methodFilter);
}
/// <summary>
/// Modifies the current <paramref name="target"/> to support third-party method call interception for all method calls made inside the target.
/// </summary>
/// <param name="target">The target object.</param>
/// <param name="methodCallFilter">The <see cref="IMethodCallFilter"/> instance that determines the method calls that will be intercepted.</param>
/// <param name="hostMethodFilter">The <see cref="IMethodFilter"/> instance that determines the host method calls that will be modified</param>
public static void InterceptMethodCalls(this IReflectionStructureVisitable target,
IMethodCallFilter methodCallFilter,
IMethodFilter hostMethodFilter)
{
var rewriter = new InterceptMethodCalls(methodCallFilter);
target.Accept(new ImplementModifiableType(GetDefaultTypeFilter()));
target.WeaveWith(rewriter, hostMethodFilter.ShouldWeave);
}
/// <summary>
/// Modifies a <paramref name="target"/> assembly to support intercepting calls to the 'new' operator.
/// </summary>
/// <param name="target">The assembly to be modified.</param>
/// <param name="constructorFilter">The functor that determines which type instantiations should be intercepted.</param>
/// <param name="methodFilter">The filter that determines which host methods will be modified</param>
/// <remarks>
/// The type filter determines which concrete types and constructors should be intercepted at runtime.
/// For example, the following functor code intercepts types named "Foo":
/// <code>
/// Func<MethodReference, TypeReference, bool> filter =
/// (constructor, concreteType, hostMethod) => concreteType.Name == "Foo";
/// </code>
/// </remarks>
public static void InterceptNewInstances(this IReflectionStructureVisitable target, Func <MethodReference, TypeReference, bool> constructorFilter,
Func <MethodReference, bool> methodFilter)
{
Func <MethodReference, TypeReference, MethodReference, bool> filter =
(ctor, declaringType, declaringMethod) => constructorFilter(ctor, declaringType) && methodFilter(declaringMethod);
var redirector = new RedirectNewInstancesToActivator(filter);
target.InterceptNewInstancesWith(redirector, methodFilter);
}
public static void InterceptExceptions(this IReflectionStructureVisitable visitable, Func <MethodReference, bool> methodFilter)
{
if (visitable == null)
{
throw new ArgumentNullException("visitable");
}
var catchAllThrownExceptions = new CatchAllThrownExceptions();
visitable.WeaveWith(catchAllThrownExceptions, methodFilter);
}
private static void InterceptMethodBodies(IReflectionStructureVisitable assembly, string targetDirectory)
{
var methodFilter = LoadFirstInstanceOf <IMethodFilter>(targetDirectory);
if (methodFilter != null)
{
assembly.InterceptMethodBody(methodFilter);
return;
}
assembly.InterceptAllMethodBodies();
}
private static void InterceptFields(IReflectionStructureVisitable assembly, string targetDirectory)
{
var fieldFilter = LoadFirstInstanceOf <IFieldFilter>(targetDirectory);
var hostTypeFilter = LoadFirstInstanceOf <ITypeFilter>(targetDirectory);
if (fieldFilter != null && hostTypeFilter != null)
{
assembly.InterceptFields(hostTypeFilter, fieldFilter);
return;
}
assembly.InterceptAllFields();
}
private static void InterceptMethodCalls(IReflectionStructureVisitable assembly, string sourceDirectory)
{
var methodCallFilter = LoadFirstInstanceOf <IMethodCallFilter>(sourceDirectory);
var hostMethodFilter = LoadFirstInstanceOf <IMethodFilter>(sourceDirectory);
if (methodCallFilter != null && hostMethodFilter != null)
{
assembly.InterceptMethodCalls(methodCallFilter, hostMethodFilter);
return;
}
assembly.InterceptAllMethodCalls();
}
/// <summary>
/// Modifies the current <paramref name="target"/> to support third-party method call interception for all method calls made inside the target.
/// </summary>
/// <param name="target">The target object.</param>
public static void InterceptAllMethodCalls(this IReflectionStructureVisitable target)
{
Func <TypeReference, bool> typeFilter = type =>
{
var actualType = type.Resolve();
return(!actualType.IsValueType && !actualType.IsInterface);
};
var hostMethodFilter = GetHostMethodFilter();
Func <MethodReference, bool> methodCallFilter = m => true;
InterceptMethodCalls(target, typeFilter, hostMethodFilter, methodCallFilter);
}
private static void InterceptNewInstances(IReflectionStructureVisitable assembly, string targetDirectory)
{
var newInstanceFilter = LoadFirstInstanceOf <INewInstanceFilter>(targetDirectory);
var methodFilter = LoadFirstInstanceOf <IMethodFilter>(targetDirectory);
if (newInstanceFilter != null && methodFilter != null)
{
assembly.InterceptNewInstances(newInstanceFilter, methodFilter);
return;
}
assembly.InterceptAllNewInstances();
}
/// <summary>
/// Enables exception interception on the given type.
/// </summary>
/// <param name="visitable">The target type.</param>
public static void InterceptAllExceptions(this IReflectionStructureVisitable visitable)
{
Func <MethodReference, bool> filter = GetMethodFilter();
InterceptExceptions(visitable, filter);
}
public static void InterceptMethodBody(this IReflectionStructureVisitable target, IMethodFilter methodFilter)
{
target.InterceptMethodBody(methodFilter.ShouldWeave);
}
/// <summary>
/// Enables exception interception on the given type.
/// </summary>
/// <param name="visitable">The target type.</param>
/// <param name="methodFilter">The <see cref="IMethodFilter"/> instance that will determine which methods should support exception interception.</param>
public static void InterceptExceptions(this IReflectionStructureVisitable visitable, IMethodFilter methodFilter)
{
visitable.InterceptExceptions(methodFilter.ShouldWeave);
}
public static void InterceptAllMethodBodies(this IReflectionStructureVisitable target)
{
target.InterceptMethodBody(m => true);
}
/// <summary>
/// Modifies a <paramref name="target"/> to support intercepting all calls to the 'new' operator.
/// </summary>
/// <param name="target">The assembly to be modified.</param>
public static void InterceptAllNewInstances(this IReflectionStructureVisitable target)
{
Func <TypeReference, bool> typeFilter = GetTypeFilter();
target.InterceptNewInstances(typeFilter);
}
/// <summary>
/// Modifies a <paramref name="target"/> assembly to support intercepting calls to the 'new' operator.
/// </summary>
/// <param name="target">The assembly to be modified.</param>
/// <param name="typeFilter">The functor that determines which type instantiations should be intercepted.</param>
/// <remarks>
/// The type filter determines the concrete types that should be intercepted at runtime.
/// For example, the following functor code intercepts types named "Foo":
/// <code>
/// Func<TypeReference, bool> filter =
/// concreteType => concreteType.Name == "Foo";
/// </code>
/// </remarks>
public static void InterceptNewInstances(this IReflectionStructureVisitable target,
Func <TypeReference, bool> typeFilter)
{
target.InterceptNewInstances(typeFilter, m => true);
}
/// <summary>
/// Allows a <see cref="IMethodWeaver"/> instance to traverse any <see cref="IReflectionVisitable"/>
/// instance.
/// </summary>
/// <param name="visitable">The visitable object.</param>
/// <param name="methodWeaver">The method weaver.</param>
public static void Accept(this IReflectionStructureVisitable visitable, IMethodWeaver methodWeaver)
{
var visitor = new MethodWeaverVisitor(methodWeaver);
visitable.Accept(visitor);
}
/// <summary>
/// Allows a <see cref="ITypeWeaver"/> instance to traverse any <see cref="IReflectionStructureVisitable"/>
/// instance.
/// </summary>
/// <param name="visitable">The visitable object.</param>
/// <param name="typeWeaver">The type weaver.</param>
public static void Accept(this IReflectionStructureVisitable visitable, ITypeWeaver typeWeaver)
{
var visitor = new TypeWeaverVisitor(typeWeaver);
visitable.Accept(visitor);
}
/// <summary>
/// Modifies a <paramref name="target"/> to support intercepting all calls to the 'new' operator.
/// </summary>
/// <param name="target">The assembly to be modified.</param>
public static void InterceptAllNewInstances(this IReflectionStructureVisitable target)
{
var typeFilter = GetTypeFilter();
target.InterceptNewInstances(typeFilter);
}
/// <summary>
/// Enables exception interception on the given type.
/// </summary>
/// <param name="visitable">The target type.</param>
public static void InterceptAllExceptions(this IReflectionStructureVisitable visitable)
{
var filter = GetMethodFilter();
InterceptExceptions(visitable, filter);
}
/// <summary>
/// Modifies the current <paramref name="target"/> to support third-party method call interception for all method calls made inside the target.
/// </summary>
/// <param name="target">The target object.</param>
public static void InterceptAllMethodCalls(this IReflectionStructureVisitable target)
{
target.InterceptMethodCalls(GetDefaultTypeFilter());
}
/// <summary>
/// Adds field interception support to the target type.
/// </summary>
/// <param name="targetType">The type that will be modified.</param>
public static void InterceptAllFields(this IReflectionStructureVisitable targetType)
{
Func <MethodReference, bool> methodFilter = GetMethodFilter();
targetType.InterceptFields(methodFilter, f => true);
}
