/// <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 TypeDefinition targetType,
Func <MethodReference, bool> methodFilter,
Func <FieldReference, bool> fieldFilter)
{
var typeWeaver = new ImplementFieldInterceptionHostWeaver(t => true);
var fieldWeaver = new InterceptFieldAccess(fieldFilter);
typeWeaver.Weave(targetType);
var targetMethods = targetType.Methods.Where(m => methodFilter(m)).ToArray();
foreach (var method in targetMethods)
{
fieldWeaver.Rewrite(method, method.GetILGenerator(), method.Body.Instructions.ToArray());
}
}
/// <summary>
/// Adds field interception support to the target type.
/// </summary>
/// <param name="targetAssembly">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 AssemblyDefinition targetAssembly, ITypeFilter hostTypeFilter,
IFieldFilter fieldFilter)
{
var typeWeaver = new ImplementFieldInterceptionHostWeaver(hostTypeFilter.ShouldWeave);
var fieldWeaver = new InterceptFieldAccess(fieldFilter);
var module = targetAssembly.MainModule;
var targetTypes = module.Types.Where(hostTypeFilter.ShouldWeave).ToArray();
foreach (var type in targetTypes)
{
typeWeaver.Weave(type);
foreach (var method in type.Methods.Where(m => m.HasBody))
{
fieldWeaver.Rewrite(method, method.GetILGenerator(), method.Body.Instructions.ToArray());
}
}
}
/// <summary>
/// Adds field interception support to the target type.
/// </summary>
/// <param name="targetAssembly">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 AssemblyDefinition targetAssembly,
Func <MethodReference, bool> methodFilter,
Func <FieldReference, bool> fieldFilter)
{
var typeWeaver = new ImplementFieldInterceptionHostWeaver(t => t.IsByReference && !t.IsValueType);
var fieldWeaver = new InterceptFieldAccess(fieldFilter);
var module = targetAssembly.MainModule;
var targetTypes = module.Types.Where(t => t.Methods.Any(m => methodFilter(m))).ToArray();
foreach (var type in targetTypes)
{
typeWeaver.Weave(type);
foreach (var method in type.Methods.Where(m => m.HasBody))
{
fieldWeaver.Rewrite(method, method.GetILGenerator(), method.Body.Instructions.ToArray());
}
}
}