Rakefile

require "rake/testtask"

GEMSPEC = Gem::Specification.load("rsql_ruby.gemspec")

Rake::TestTask.new(:test) do |t|
  t.libs << "lib"
  t.test_files = FileList["test/**/*_test.rb", "test/**/test_*.rb"]
  t.verbose = false
end

LEX_INPUT  = "lib/rsql_parser/lexer.rex"
LEX_OUTPUT = "lib/rsql_parser/lexer.rex.rb"

file LEX_OUTPUT => LEX_INPUT do
  ruby <<~RUBY
    -roedipus_lex -e "
      lex = OedipusLex.new
      lex.parse_file('#{LEX_INPUT}')
      File.write('#{LEX_OUTPUT}', lex.generate)
    "
  RUBY
  puts "Generated #{LEX_OUTPUT}"
end

desc "Regenerate #{LEX_OUTPUT} from #{LEX_INPUT}"
task :lexer => LEX_OUTPUT

PARSER_INPUT  = "lib/rsql_parser/parser.y"
PARSER_OUTPUT = "lib/rsql_parser/parser.rb"

file PARSER_OUTPUT => PARSER_INPUT do
  sh "racc #{PARSER_INPUT} -o #{PARSER_OUTPUT}"
  puts "Generated #{PARSER_OUTPUT}"
end

desc "Regenerate #{PARSER_OUTPUT} from #{PARSER_INPUT}"
task :parser => PARSER_OUTPUT

desc "Regenerate lexer and parser from their source files"
task :generate => [:lexer, :parser]

GEM_FILE = "pkg/#{GEMSPEC.name}-#{GEMSPEC.version}.gem"

directory "pkg"

desc "Build #{GEMSPEC.name}-#{GEMSPEC.version}.gem into pkg/"
task :build => "pkg" do
  sh "gem build rsql_ruby.gemspec --output #{GEM_FILE}"
end

desc "Build and push #{GEMSPEC.name}-#{GEMSPEC.version}.gem to RubyGems"
task :release => [:test, :build] do
  sh "gem push #{GEM_FILE}"
end

task default: :test