#!/usr/bin/env ruby

require 'benchmark'
require 'ruby_parser'

$LOAD_PATH.unshift(File.expand_path('../../lib', __FILE__))
require 'parser/all'

def measure(what)
  rp_failures = 0
  p_failures  = 0

  Benchmark.bm(10) do |x|
    x.report "ruby_parser" do
      what.each do |file, src|
        begin
          Ruby18Parser.new.parse(src)
        rescue => e
          puts file
          puts "RP: #{e.class}: #{e.message}"
          rp_failures += 1
        end
      end
    end

    x.report "parser" do
      what.each do |file, src|
        begin
          Parser::Ruby20.parse(src, file)
        rescue Parser::SyntaxError
          p_failures += 1
        rescue => e
          puts file
          puts "P:  #{e.class}: #{e.message}"
          puts e.backtrace
          p_failures += 1
        end
      end
    end
  end

  puts
  puts "Failures: RP: #{rp_failures} P: #{p_failures}"
end

files = Hash[ARGV.map { |f| [f, File.read(f)] }]
measure(files)