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20 lines
485 B
Ruby
Executable file
20 lines
485 B
Ruby
Executable file
#!/usr/bin/ruby -pi
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BEGIN {
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require_relative 'lib/colorize'
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colorize = Colorize.new
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file = ARGV.shift
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begin
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version = IO.popen(ARGV+%w[--version], &:read)
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rescue Errno::ENOENT
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abort "Failed to run `#{colorize.fail ARGV.join(' ')}'; You may have to install it."
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end
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unless /\Abison .* (\d+)\.\d+/ =~ version
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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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