Merge pull request #364 from collectiveidea/instrument-rendering-with-hooks

Profiling the rendering of a liquid template

lib/liquid/variable.rb

@@ -14,6 +14,7 @@ module Liquid
     FilterParser = /(?:\s+|#{QuotedFragment}|#{ArgumentSeparator})+/o
     EasyParse = /\A *(\w+(?:\.\w+)*) *\z/
     attr_accessor :filters, :name, :warnings
+    attr_accessor :line_number
 
     def initialize(markup, options = {})
       @markup  = markup
@@ -34,6 +35,10 @@ module Liquid
       end
     end
 
+    def raw
+      @markup
+    end
+
     def lax_parse(markup)
       @filters = []
       if markup =~ /\s*(#{QuotedFragment})(.*)/om