# begin: ragel

begin

%%{

machine bel;

include 'common.rl';

action blank_line_yield {
  yield blank_line
}

blank = SP*;
bl_ast := blank NL? @blank_line_yield;

}%%

end

# end: ragel

require_relative '../ast/node' require_relative '../mixin/buffer' require_relative '../nonblocking_io_wrapper'

module BELParser

module Parsers
  module Common
    module BlankLine

      class << self

        MAX_LENGTH = 1024 * 128 # 128K

        def parse(content)
          return nil unless content

          Parser.new(content).each do |obj|
            yield obj
          end
        end
      end

      private

      class Parser
        include Enumerable
        include BELParser::Parsers::Buffer
        include BELParser::Parsers::AST::Sexp

        def initialize(content)
          @content = content
    # begin: ragel
          %% write data;
    # end: ragel
        end

        def each
          @buffers    = {}
          @incomplete = {}
          data        = @content.unpack('C*')
          p           = 0
          pe          = data.length

    # begin: ragel
          %% write init;
          %% write exec;
    # end: ragel
        end
      end
    end
  end
end

end

if __FILE__ == $0

$stdin.each_line do |line|
  BELParser::Parsers::Common::BlankLine.parse(line) { |obj|
    puts obj.inspect
  }
end

end

# vim: ft=ruby ts=2 sw=2: # encoding: utf-8