run

#!/usr/bin/env ruby

require 'benchmark'
require 'strscan'

MY_DIR = File.dirname(__FILE__)
$LOAD_PATH.unshift MY_DIR

require 'bench'

times  = (ARGV.join(' ')[/--times (\d+)/, 1] || 1).to_i
repeat = (ARGV.join(' ')[/--repeat (\d+)/, 1] || 1).to_i

if defined? RUBY_DESCRIPTION
  puts RUBY_DESCRIPTION
else
  puts "#{RUBY_ENGINE rescue 'ruby'} #{RUBY_VERSION} #{RUBY_RELEASE_DATE}"
end

Benchmark.bm 30 do |bm|
  Dir.chdir MY_DIR do
    for benchmark in Dir["strscan/**/bm_#{ARGV.grep(/^[a-z]/).first || '*'}.rb"].sort
      load benchmark
      bench = Bench.last_instance
      name = File.basename(benchmark)[/\Abm_(.*?)\.rb/, 1]
      
      repeat.times do |i|
        bench.before
        bm.report name + ":#{i + 1 if repeat > 1}" do
          times.times do
            bench.run
          end
        end
        bench.after
      end
      puts
    end
  end
end