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%% Copyright (C) 2020 by Marcel Krueger
%%
%% This file may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. The latest version of this license is in:
%%
%% http://www.latex-project.org/lppl.txt
%%
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage
{docstrip-luacode}
[2020/03/07 v0.1.0 Directly execute Lua code from DocStrip files]
\expanded{%
\def\noexpand\docstrip@luacode@argscanner#1\directlua{
tex.sprint(\the\catcodetable@string, "\string\\end{docstrip-luacode}")
local scanner = token.create'docstrip@luacode@argscanner'
local file = lpeg.Ct((lpeg.P'\csstring\%' * (1-lpeg.P'\string\r')^0 + lpeg.C((1-lpeg.P'\string\r')^0) * '\string\r')^0)/function(s)return table.concat(s,'\string\n')end
local func = luatexbase.new_luafunction'docstrip-luacode'
token.set_lua('docstrip-luacode', func, 'protected')
lua.get_functions_table()[func] = function()
local name = token.scan_string()
tex.catcodetable = \the\catcodetable@string
tex.setcatcode(32, 12)
token.put_next(scanner)
token.scan_token()
package.preload[name], msg = loadstring(file:match(token.scan_string()))
end
}{\relax{#1}\noexpand\end{docstrip-luacode}}}
\endinput
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