/usr/lib/ruby/vendor_ruby/treetop/compiler/node_classes.rb is in ruby-treetop 1.4.10-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | require 'treetop/compiler/node_classes/parsing_expression'
require 'treetop/compiler/node_classes/atomic_expression'
require 'treetop/compiler/node_classes/inline_module'
require 'treetop/compiler/node_classes/predicate_block'
require 'treetop/compiler/node_classes/treetop_file'
require 'treetop/compiler/node_classes/grammar'
require 'treetop/compiler/node_classes/declaration_sequence'
require 'treetop/compiler/node_classes/parsing_rule'
require 'treetop/compiler/node_classes/parenthesized_expression'
require 'treetop/compiler/node_classes/nonterminal'
require 'treetop/compiler/node_classes/terminal'
require 'treetop/compiler/node_classes/anything_symbol'
require 'treetop/compiler/node_classes/character_class'
require 'treetop/compiler/node_classes/sequence'
require 'treetop/compiler/node_classes/choice'
require 'treetop/compiler/node_classes/repetition'
require 'treetop/compiler/node_classes/optional'
require 'treetop/compiler/node_classes/predicate'
require 'treetop/compiler/node_classes/transient_prefix'
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