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#!/usr/bin/ruby -pi
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+.*/, '')
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