1 files changed, 9 insertions, 6 deletions
diff --git a/actionpack/lib/action_dispatch/journey/router/strexp.rb b/actionpack/lib/action_dispatch/journey/router/strexp.rb
index f97f1a223e..4b7738f335 100644
--- a/actionpack/lib/action_dispatch/journey/router/strexp.rb
+++ b/actionpack/lib/action_dispatch/journey/router/strexp.rb
@@ -6,18 +6,21 @@ module ActionDispatch
           alias :compile :new
         end
 
-        attr_reader :path, :requirements, :separators, :anchor
+        attr_reader :path, :requirements, :separators, :anchor, :ast
 
-        def initialize(path, requirements, separators, anchor = true)
+        def self.build(path, requirements, separators, anchor = true)
+          parser = Journey::Parser.new
+          ast = parser.parse path
+          new ast, path, requirements, separators, anchor
+        end
+
+        def initialize(ast, path, requirements, separators, anchor = true)
+          @ast          = ast
           @path         = path
           @requirements = requirements
           @separators   = separators
           @anchor       = anchor
         end
-
-        def names
-          @path.scan(/:\w+/).map { |s| s.tr(':', '') }
-        end
       end
     end
   end