зеркало из https://github.com/github/ruby.git
30 строки
696 B
Ruby
30 строки
696 B
Ruby
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#! /usr/bin/ruby -p
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BEGIN {
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require 'optparse'
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vpath = ["."]
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header = nil
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opt = OptionParser.new do |o|
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o.on('-v', '--vpath=DIR') {|dirs| vpath.concat dirs.split(File::PATH_SEPARATOR)}
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header = o.order!(ARGV).shift
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end or abort opt.opt_s
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TOKENS = {}
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vpath.find do |dir|
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begin
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h = File.read(File.join(dir, header))
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rescue Errno::ENOENT
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nil
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else
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h.scan(/^#define\s+RUBY_TOKEN_(\w+)\s+(\d+)/) do |token, id|
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TOKENS[token] = id
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end
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true
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end
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end or abort "#{header} not found in #{vpath.inspect}"
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TOKENS_RE = /\bRUBY_TOKEN\((#{TOKENS.keys.join('|')})\)\s*(?=\s)/
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}
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$_.gsub!(TOKENS_RE) {TOKENS[$1]} if /^%token/ =~ $_
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