Proposing an add_autohook_support() function for WordPress.

wp-autohook.php

<?php
/**
 * Simplifies addition of WordPress hooks to a class. 
 *
 * @param string|object $target - Class name or instance of class
 * @param array $methods - List of methods and their overrides. Array key is method name, value is false (don't use as hook), alternate hook name, alternate priority, or alternate hook name and priority: array($hook_name,$priority).
 *
 * Author: Mike Schinkel
 * Author URI: http://about.me/mikeschinkel/
 */
function add_autohook_support( $target, $methods = array() ) {
  /**
   * @var ReflectionMethod $method
   */
  $class_reflector = new ReflectionClass( $target );
  foreach ( $class_reflector->getMethods( ReflectionMethod::IS_PUBLIC ) as $method ) {
    $hook_name = $method->name;
    $priority = 10;
    if ( isset( $methods[$method->name] ) ) {
      if ( false === ( $method_args = $methods[$method->name] ) )
        continue;

      if ( is_string( $method_args ) ) {
        $hook_name = $method_args;
      } else if ( is_numeric( $method_args ) ) {
        $priority = $method_args;
      } else if ( is_array( $method_args ) ) {
        list( $hook_name, $priority ) = $method_args;
      }
    }
    add_filter( $hook_name, array( $target, $method->name ), $priority, $method->getNumberOfParameters() );
  }
}