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/* --------------------------------------------------------------------------
* a simple lua 2 c function converter - a simple luac + bin2c
* Copyright (c) 2007 Nathan Angelacos (nangel@users.sourceforge.net)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ------------------------------------------------------------------------- */
/* This program loads the source file, and then uses lua_dump to output it
* to a c const char array. Because lua_dump is used instead of the internal
* luaU_dump function, debugging info is in the output array. If you want
* to compile the array without debugging information, first use luac on the
* .lua source, and then run lua2c on that output:
* luac -s -o foo haserl_lualib.lua
* lua2c haserl_lualib foo >haserl_lualib.inc
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
lua_State *lua_vm = NULL;
static void
loadit (char *filename)
{
lua_vm = luaL_newstate();
luaL_openlibs (lua_vm);
if (luaL_loadfile(lua_vm, filename)) {
puts (lua_tostring(lua_vm, -1));
exit (-1);
}
}
static int writer (lua_State* L, const void* p, size_t size, void* u)
{
static int count = 0;
int i;
for (i=0; i < size; i++ ) {
if ((count) && (count % 16) == 0 ) printf ("\n ");
printf ("%3d,", *((unsigned char *) (p+i)));
count++;
}
return (0);
}
static void
dumpit()
{
lua_dump (lua_vm, writer, NULL);
}
int
main (int argc, char *argv[]) {
if (argc != 3) {
printf("usage: %s varname luasource >output\n", argv[0]);
return (-1);
}
loadit (argv[2]);
printf ("/* This file was automatically generated from %s. DO NOT EDIT */\n\n", argv[2]);
printf ("static const unsigned char %s[] = { \n ", argv[1]);
dumpit();
printf ("\n};\n");
return (0);
}
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