Rakefile

require 'bundler/gem_tasks'
require 'rake/clean'
require 'rake/testtask'

CLEAN.include %w[ lib/vimprint/ragel ]

desc "Generate a .dot visualization for each .rl file"
desc "Compile each .rl file to .dot graph (viewable with Graphviz)"
task :visualize do
  FileList.new('ext/ragel/*.rl').each do |file|
    system "ragel -Vp #{file} > #{file.ext('.dot')}"
  end
end

desc "Compile each .rl file to executable .rb"
task :ragel => :clean do
  out_dir = File.expand_path('../lib/vimprint/ragel', __FILE__)
  Dir.mkdir(out_dir) unless Dir.exist?(out_dir)
  Dir.chdir('ext/ragel') do
    Dir['*.rl'].each do |file|
      out = file.sub(/rl$/, 'rb')
      sh "ragel -R #{file} -o #{out_dir}/#{out}"
    end
  end
end

Rake::TestTask.new(:test => :ragel) do |t|
  t.libs << 'test'
  t.test_files = FileList['test/**/*_test.rb']
  t.verbose = true
end

desc "Run tests"
task :default => :test