Make @controller an internal ivar in the view

4 files changed, 17 insertions, 19 deletions

diff --git a/actionpack/lib/action_view/base.rb b/actionpack/lib/action_view/base.rb
index 4970c768e8..c4b0455c2a 100644
--- a/actionpack/lib/action_view/base.rb
+++ b/actionpack/lib/action_view/base.rb
@@ -181,7 +181,6 @@ module ActionView #:nodoc:
     extend ActiveSupport::Memoizable
 
     attr_accessor :base_path, :assigns, :template_extension, :formats
-    attr_accessor :controller
     attr_internal :captures
 
     def reset_formats(formats)
@@ -277,13 +276,13 @@ module ActionView #:nodoc:
       @config = nil
       @formats = formats
       @assigns = assigns_for_first_render.each { |key, value| instance_variable_set("@#{key}", value) }
-      @controller = controller
+      @_controller = controller
       @helpers = self.class.helpers || Module.new
       @_content_for = Hash.new {|h,k| h[k] = ActionView::SafeBuffer.new }
       self.view_paths = view_paths
     end
 
-    attr_internal :template
+    attr_internal :controller, :template
     attr_reader :view_paths
 
     def view_paths=(paths)
@@ -298,12 +297,11 @@ module ActionView #:nodoc:
 
     # Evaluates the local assigns and controller ivars, pushes them to the view.
     def _evaluate_assigns_and_ivars #:nodoc:
-      if @controller
-        variables = @controller.instance_variable_names
-        variables -= @controller.protected_instance_variables if @controller.respond_to?(:protected_instance_variables)
-        variables.each { |name| instance_variable_set(name, @controller.instance_variable_get(name)) }
+      if controller
+        variables = controller.instance_variable_names
+        variables -= controller.protected_instance_variables if controller.respond_to?(:protected_instance_variables)
+        variables.each { |name| instance_variable_set(name, controller.instance_variable_get(name)) }
       end
     end
-
   end
 end
diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
index 15b70ecff5..83357dd76f 100644
--- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
@@ -634,8 +634,8 @@ module ActionView
         # Prefix with <tt>/dir/</tt> if lacking a leading +/+. Account for relative URL
         # roots. Rewrite the asset path for cache-busting asset ids. Include
         # asset host, if configured, with the correct request protocol.
-        def compute_public_path(source, dir, ext = nil, include_host = true)          
-          has_request = @controller.respond_to?(:request)
+        def compute_public_path(source, dir, ext = nil, include_host = true)
+          has_request = controller.respond_to?(:request)
 
           source_ext = File.extname(source)[1..-1]
           if ext && !is_uri?(source) && (source_ext.blank? || (ext != source_ext && File.exist?(File.join(config.assets_dir, dir, "#{source}.#{ext}"))))
@@ -658,7 +658,7 @@ module ActionView
             host = compute_asset_host(source)
 
             if has_request && !host.blank? && !is_uri?(host)
-              host = "#{@controller.request.protocol}#{host}"
+              host = "#{controller.request.protocol}#{host}"
             end
 
             "#{host}#{source}"
@@ -681,7 +681,7 @@ module ActionView
             if host.is_a?(Proc) || host.respond_to?(:call)
               case host.is_a?(Proc) ? host.arity : host.method(:call).arity
               when 2
-                request = @controller.respond_to?(:request) && @controller.request
+                request = controller.respond_to?(:request) && controller.request
                 host.call(source, request)
               else
                 host.call(source)
diff --git a/actionpack/lib/action_view/helpers/cache_helper.rb b/actionpack/lib/action_view/helpers/cache_helper.rb
index 64d1ad2715..d5cc14b29a 100644
--- a/actionpack/lib/action_view/helpers/cache_helper.rb
+++ b/actionpack/lib/action_view/helpers/cache_helper.rb
@@ -32,7 +32,7 @@ module ActionView
       #      <i>Topics listed alphabetically</i>
       #    <% end %>
       def cache(name = {}, options = nil, &block)
-        @controller.fragment_for(output_buffer, name, options, &block)
+        controller.fragment_for(output_buffer, name, options, &block)
       end
     end
   end
diff --git a/actionpack/lib/action_view/helpers/url_helper.rb b/actionpack/lib/action_view/helpers/url_helper.rb
index 14628c5404..511386fede 100644
--- a/actionpack/lib/action_view/helpers/url_helper.rb
+++ b/actionpack/lib/action_view/helpers/url_helper.rb
@@ -13,7 +13,7 @@ module ActionView
 
       # Need to map default url options to controller one.
       def default_url_options(*args) #:nodoc:
-        @controller.send(:default_url_options, *args)
+        controller.send(:default_url_options, *args)
       end
 
       # Returns the URL for the set of +options+ provided. This takes the
@@ -89,10 +89,10 @@ module ActionView
         when Hash
           options = { :only_path => options[:host].nil? }.update(options.symbolize_keys)
           escape  = options.key?(:escape) ? options.delete(:escape) : false
-          @controller.send(:url_for, options)
+          controller.send(:url_for, options)
         when :back
           escape = false
-          @controller.request.env["HTTP_REFERER"] || 'javascript:history.back()'
+          controller.request.env["HTTP_REFERER"] || 'javascript:history.back()'
         else
           escape = false
           polymorphic_path(options)
@@ -546,10 +546,10 @@ module ActionView
       #   # => false
       def current_page?(options)
         url_string = CGI.unescapeHTML(url_for(options))
-        request = @controller.request
-        # We ignore any extra parameters in the request_uri if the 
+        request = controller.request
+        # We ignore any extra parameters in the request_uri if the
         # submitted url doesn't have any either.  This lets the function
-        # work with things like ?order=asc 
+        # work with things like ?order=asc
         if url_string.index("?")
           request_uri = request.request_uri
         else