Merge pull request #76 from jparker/rails-source-annotations

added rails source annotation support

Author: indirect

lib/haml-rails.rb

@@ -44,6 +44,16 @@ class Railtie < ::Rails::Railtie
           end
         end
       end
+
+      # Configure source annoatation on haml files (support for HAML was
+      # provided directly by railties 3.2..4.1 but was dropped in 4.2.
+      if ::Rails.version.to_s >= '4.2'
+        initializer 'haml_rails.configure_source_annotation' do
+          SourceAnnotationExtractor::Annotation.register_extensions('haml') do |tag|
+            /\s*-#\s*(#{tag}):?\s*(.*)/
+          end
+        end
+      end
     end
   end
 end