class Parser::Runner::RubyParse

def initialize
  super
  @locate = false
  @emit_ruby = false
  @emit_json = false
end

def process(buffer)
  ast = @parser.parse(buffer)
  if @locate
    LocationProcessor.new.process(ast)
  elsif !@benchmark
    if @emit_ruby
      puts ast.inspect
    elsif @emit_json
      puts(ast ? JSON.generate(ast.to_sexp_array) : nil)
    else
      puts ast.to_s
    end
  end
end

def process_all_input
  if input_size > 1
    puts "Using #{@parser_class} to parse #{input_size} files."
  end
  super
end

def runner_name
  'ruby-parse'
end

def setup_option_parsing(opts)
  super(opts)
  opts.on '-L', '--locate', 'Explain how source maps for AST nodes are laid out' do |v|
    @locate = v
  end
  opts.on '-E', '--explain', 'Explain how the source is tokenized' do
    ENV['RACC_DEBUG'] = '1'
    Lexer.send :include, Lexer::Explanation
  end
  opts.on '--emit-ruby', 'Emit S-expressions as valid Ruby code' do
    @emit_ruby = true
  end
  opts.on '--emit-json', 'Emit S-expressions as valid JSON' do
    @emit_json = true
  end
end