move route_inspector to actionpack

this is so we can show route output in the development when we get a routing error. Railties can use features of ActionDispatch, but ActionDispatch should not depend on Railties.

3 files changed, 6 insertions, 5 deletions

diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index d5ec2cbfd9..3afbf0a03e 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -267,6 +267,7 @@ module Rails
 
     def default_middleware_stack #:nodoc:
       ActionDispatch::MiddlewareStack.new.tap do |middleware|
+        app = self
         if rack_cache = config.action_controller.perform_caching && config.action_dispatch.rack_cache
           require "action_dispatch/http/rack_cache"
           middleware.use ::Rack::Cache, rack_cache
@@ -290,11 +291,10 @@ module Rails
         middleware.use ::ActionDispatch::RequestId
         middleware.use ::Rails::Rack::Logger, config.log_tags # must come after Rack::MethodOverride to properly log overridden methods
         middleware.use ::ActionDispatch::ShowExceptions, config.exceptions_app || ActionDispatch::PublicExceptions.new(Rails.public_path)
-        middleware.use ::ActionDispatch::DebugExceptions
+        middleware.use ::ActionDispatch::DebugExceptions, app
         middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies
 
         unless config.cache_classes
-          app = self
           middleware.use ::ActionDispatch::Reloader, lambda { app.reload_dependencies? }
         end
 
diff --git a/railties/lib/rails/info_controller.rb b/railties/lib/rails/info_controller.rb
index bacdcbf3aa..83ab8c7e9d 100644
--- a/railties/lib/rails/info_controller.rb
+++ b/railties/lib/rails/info_controller.rb
@@ -1,4 +1,4 @@
-require 'rails/application/routes_inspector'
+require 'action_dispatch/routing/inspector'
 
 class Rails::InfoController < ActionController::Base
   self.view_paths = File.join(File.dirname(__FILE__), 'templates')
@@ -16,6 +16,7 @@ class Rails::InfoController < ActionController::Base
 
   def routes
     inspector = Rails::Application::RoutesInspector.new
+    inspector = ActionDispatch::Routing::RouteInspector.new
     @info     = inspector.format(_routes.routes).join("\n")
   end
 
diff --git a/railties/lib/rails/tasks/routes.rake b/railties/lib/rails/tasks/routes.rake
index 4ade825616..afc4e147e1 100644
--- a/railties/lib/rails/tasks/routes.rake
+++ b/railties/lib/rails/tasks/routes.rake
@@ -1,7 +1,7 @@
 desc 'Print out all defined routes in match order, with names. Target specific controller with CONTROLLER=x.'
 task :routes => :environment do
   all_routes = Rails.application.routes.routes
-  require 'rails/application/routes_inspector'
-  inspector = Rails::Application::RoutesInspector.new
+  require 'action_dispatch/routing/inspector'
+  inspector = ActionDispatch::Routing::RouteInspector.new
   puts inspector.format(all_routes, ENV['CONTROLLER']).join "\n"
 end