po_memory.rb

#
# On my machine, JRuby 9k builds OOM with a 512MB heap but JRuby
# 1.7.20 can run it without OOM in only 16MB of heap.
#

po_input = 5000.times.map do |i|
  %Q{msgid"Translation #{i}"}
end.join("\n")

# Copied and simplified from fast_gettext/vendor/poparser.rb to make
# this as self-contained as possible
def parse(str)
  str.strip!
  @q = []
  until str.empty? do
    if str =~ /\A\s+/
      str = str[($&.length)..-1]
    elsif str =~ /\Amsgid/
      @q.push [:MSGID, $&]
      str = str[($&.length)..-1]
    elsif str =~ /\A\".*\"/
      @q.push [:STRING, $&[1..-2]]
      str = str[($&.length)..-1]
    end
  end
end

parse(po_input)