Preprocess for older bison is no longer needed

1 files changed, 0 insertions, 24 deletions

diff --git a/tool/pure_parser.rb b/tool/pure_parser.rb
deleted file mode 100755
index 21c87cc5d6..0000000000
--- a/tool/pure_parser.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/usr/bin/ruby -pi.bak
-BEGIN {
-  # pathological setting
-  ENV['LANG'] = ENV['LC_MESSAGES'] = ENV['LC_ALL'] = 'C'
-
-  require_relative 'lib/colorize'
-
-  colorize = Colorize.new
-  file = ARGV.shift
-  begin
-    version = IO.popen(ARGV+%w[--version], "rb", &:read)
-  rescue Errno::ENOENT
-    abort "Failed to run `#{colorize.fail ARGV.join(' ')}'; You may have to install it."
-  end
-  unless /\Abison .* (\d+)\.\d+/ =~ version
-    puts colorize.fail("not bison")
-    exit
-  end
-  exit if $1.to_i >= 3
-  ARGV.clear
-  ARGV.push(file)
-}
-$_.sub!(/^%define\s+api\.pure/, '%pure-parser')
-$_.sub!(/^%define\s+.*/, '')