lib/treetop/compiler/node_classes/character_class.rb in treetop-1.5.1 vs lib/treetop/compiler/node_classes/character_class.rb in treetop-1.5.3

@@ -9,20 +9,20 @@
             assign_result "instantiate_node(#{node_class_name},input, index...(index + 1))"
             extend_result_with_inline_module
           else
             assign_lazily_instantiated_node
           end
-          builder << "@index += 1"
+          builder << "@index += 1"  # Always one character
         end
         builder.else_ do
-          # "terminal_parse_failure(#{single_quote(characters)})"
+          builder << "terminal_parse_failure(#{single_quote('['+characters+']')})"
           assign_result 'nil'
         end
       end
 
       def grounded_regexp(string)
         # Double any backslashes, then backslash any single-quotes:
-        "'\\G#{string.gsub(/\\/) { '\\\\' }.gsub(/'/) { "\\'"}}'"
+        "'\\A#{string.gsub(/\\/) { '\\\\' }.gsub(/'/) { "\\'"}}'"
       end
     end
   end
 end