%%
%% This is file `l3luatex.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% l3luatex.dtx  (with options: `package')
%% 
%% 
%% EXPERIMENTAL CODE
%% 
%% Do not distribute this file without also distributing the
%% source files specified above.
%% 
%% Do not distribute a modified version of this file.
%% 
%% 
%% File: l3fp.dtx Copyright (C) 2010 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 ``expl3 bundle'' (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%%
%% The released version of this bundle is available from CTAN.
%%
%% -----------------------------------------------------------------------
%%
%% The development version of the bundle can be found at
%%
%%    http://www.latex-project.org/svnroot/experimental/trunk/
%%
%% for those people who are interested.
%%
%%%%%%%%%%%
%% NOTE: %%
%%%%%%%%%%%
%%
%%   Snapshots taken from the repository represent work in progress and may
%%   not work or may contain conflicting material!  We therefore ask
%%   people _not_ to put them into distributions, archives, etc. without
%%   prior consultation with the LaTeX Project Team.
%%
%% -----------------------------------------------------------------------
\RequirePackage{l3names}
\GetIdInfo$Id: l3luatex.dtx 1985 2010-07-18 09:05:56Z joseph $
  {L3 Experimental LuaTeX functions}
\ProvidesExplPackage
  {\filename}{\filedate}{\fileversion}{\filedescription}
\package_check_loaded_expl:
\luatex_if_engine:TF
  {
    \cs_new_eq:NN \lua_now:x     \luatex_directlua:D
    \cs_new_eq:NN \lua_shipout:x \luatex_latelua:D
  }
  {
    \cs_new:Npn \lua_now:x #1     { \lua_wrong_engine: }
    \cs_new:Npn \lua_shipout:x #1 { \lua_wrong_engine: }
  }
\group_begin:
\char_make_letter:N\!
\char_make_letter:N\ %
\cs_gset:Npn\lua_wrong_engine:{%
\LuaTeX engine not in use!%
}%
\group_end:%
\int_new:N  \g_cctab_allocate_int
\int_set:Nn \g_cctab_allocate_int { -1 }
\int_new:N \g_cctab_stack_int
\seq_new:N \g_cctab_stack_seq
\cs_new_protected_nopar:Npn \cctab_new:N #1 {
  \cs_if_free:NTF #1
    {
      \int_gadd:Nn \g_cctab_allocate_int { 2 }
       \int_compare:nNnTF
         { \g_cctab_allocate_int } <  { \c_allocate_max_tl + 1 }
         {
           \tex_global:D \tex_mathchardef:D #1 \g_cctab_allocate_int
           \luatex_initcatcodetable:D #1
         }
         {
           \msg_kernel_error:nnx { code } { out-of-registers } { cctab }
         }
     }
     {
       \msg_kernel_error:nnx { code } { variable-already-defined }
         { \token_to_str:N #1 }
     }
}
\luatex_if_engine:F {
  \cs_set_protected_nopar:Npn \cctab_new:N #1 { \lua_wrong_engine: }
}
\luatex_if_engine:T {
  \cs_set_protected_nopar:Npn \cctab_new:N #1
    {
      \newcatcodetable #1
      \luatex_initcatcodetable:D #1
    }
}
\cs_new_protected_nopar:Npn \cctab_begin:N #1 {
  \seq_gpush:Nx \g_cctab_stack_seq { \tex_the:D \luatex_catcodetable:D }
  \luatex_catcodetable:D #1
  \int_gadd:Nn \g_cctab_stack_int { 2 }
  \int_compare:nNnT { \g_cctab_stack_int } > { 268435453 }
    { \msg_kernel_error:nn { code } { cctab-stack-full } }
  \luatex_savecatcodetable:D \g_cctab_stack_int
  \luatex_catcodetable:D \g_cctab_stack_int
}
\cs_new_protected_nopar:Npn \cctab_end: {
  \int_gsub:Nn \g_cctab_stack_int { 2 }
  \seq_gpop:NN \g_cctab_stack_seq \l_cctab_tmp_tl
  \quark_if_no_value:NT \l_cctab_tmp_tl
    { \tl_set:Nn \l_cctab_tmp_tl { 0 } }
  \luatex_catcodetable:D \l_cctab_tmp_tl \scan_stop:
}
\luatex_if_engine:F {
  \cs_set_protected_nopar:Npn \cctab_begin:N #1 { \lua_wrong_engine: }
  \cs_set_protected_nopar:Npn \cctab_end: { \lua_wrong_engine: }
}
\luatex_if_engine:T {
  \cs_set_protected_nopar:Npn \cctab_begin:N #1
    { \BeginCatcodeRegime #1 }
  \cs_set_protected_nopar:Npn \cctab_end:
    { \EndCatcodeRegime }
}
\tl_new:N \l_cctab_tmp_tl
\cs_new_protected:Npn \cctab_gset:Nn #1#2 {
  \group_begin:
    #2
    \luatex_savecatcodetable:D #1
  \group_end:
}
\luatex_if_engine:F {
  \cs_set_protected_nopar:Npn \cctab_gset:Nn #1#2 { \lua_wrong_engine: }
}
\luatex_if_engine:T {
  \cctab_new:N \c_code_cctab
  \cctab_gset:Nn \c_code_cctab { }
}
\luatex_if_engine:T {
  \cs_new_eq:NN \c_document_cctab \CatcodeTableLaTeX
  \cs_new_eq:NN \c_initex_cctab   \CatcodeTableIniTeX
  \cs_new_eq:NN \c_other_cctab    \CatcodeTableOther
  \cs_new_eq:NN \c_string_cctab   \CatcodeTableString
}
%% 
%%
%% End of file `l3luatex.sty'.
