--
-- This is file `expl3.lua',
-- generated with the docstrip utility.
--
-- The original source files were:
--
-- l3luatex.dtx  (with options: `package,lua')
-- 
-- Copyright (C) 1990-2017 The LaTeX3 Project
-- 
-- It may be distributed and/or modified under the conditions of
-- the LaTeX Project Public License (LPPL), either version 1.3c of
-- this license or (at your option) any later version.  The latest
-- version of this license is in the file:
-- 
--    http://www.latex-project.org/lppl.txt
-- 
-- This file is part of the "l3kernel bundle" (The Work in LPPL)
-- and all files in that bundle must be distributed together.
-- 
-- File: l3luatex.dtx Copyright (C) 2010-2017 The LaTeX3 Project
l3kernel = l3kernel or { }
local tex_setcatcode    = tex.setcatcode
local tex_sprint        = tex.sprint
local tex_write         = tex.write
local unicode_utf8_char = unicode.utf8.char
local function strcmp (A, B)
  if A == B then
    tex_write("0")
  elseif A < B then
    tex_write("-1")
  else
    tex_write("1")
  end
end
l3kernel.strcmp = strcmp
local charcat_table = l3kernel.charcat_table or 1
local function charcat (charcode, catcode)
  tex_setcatcode(charcat_table, charcode, catcode)
  tex_sprint(charcat_table, unicode_utf8_char(charcode))
end
l3kernel.charcat = charcat