lib/treetop/compiler/node_classes/character_class.rb in treetop-1.2.0 vs lib/treetop/compiler/node_classes/character_class.rb in treetop-1.2.1

@@ -2,18 +2,22 @@
   module Compiler    
     class CharacterClass < AtomicExpression
       def compile(address, builder, parent_expression = nil)
         super
         
-        builder.if__ "input.index(/#{text_value}/, index) == index" do
+        builder.if__ "input.index(/#{escaped_text_value}/, index) == index" do
           assign_result "(#{node_class_name}).new(input, index...(index + 1))"
           extend_result_with_inline_module
           builder << "@index += 1"
         end
         builder.else_ do
           "terminal_parse_failure(#{single_quote(characters)})"
           assign_result 'nil'
         end
+      end
+
+      def escaped_text_value
+        text_value.gsub(/\/|#(@|\$)/) {|match| "\\#{match}"}
       end
     end
   end
 end
\ No newline at end of file