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16 lines
333 B
Ruby
16 lines
333 B
Ruby
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#!/usr/bin/ruby -pi
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BEGIN {
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require_relative 'colorize'
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colorize = Colorize.new
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file = ARGV.shift
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unless /\Abison .* (\d+)\.\d+/ =~ IO.popen(ARGV+%w[--version], &:read)
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puts colorize.fail("not bison")
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exit
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end
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exit if $1.to_i >= 3
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ARGV.clear
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ARGV.push(file)
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}
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$_.sub!(/^%define\s+api\.pure/, '%pure-parser')
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