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/*
TE4 - T-Engine 4
Copyright (C) 2009, 2010, 2011 Nicolas Casalini
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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, see <http://www.gnu.org/licenses/>.
Nicolas Casalini "DarkGod"
darkgod@te4.org
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
#include "physfs.h"
#include "core.h"
#if defined(SELFEXE_LINUX)
#define _te4_export
#elif defined(SELFEXE_WINDOWS)
#define _te4_export __declspec(dllexport)
#elif defined(SELFEXE_MACOSX)
#define _te4_export
#else
#define _te4_export
#endif
// Load the shared lib containing the core and calls te4main inside it, passing control to that core
_te4_export char* find_te4_core(core_boot_type *core_def, const char *selfexe)
{
/******************************************************************
** Find a core file
******************************************************************/
PHYSFS_init(selfexe);
if (selfexe && PHYSFS_mount(selfexe, "/", 1)) {} else
{
printf("NO SELFEXE: bootstrapping from CWD\n");
PHYSFS_mount("bootstrap", "/bootstrap", 1);
}
lua_State *L = lua_open();
luaL_openlibs(L);
luaopen_physfs(L);
// Tell the boostrapping code the selfexe path
if (selfexe) lua_pushstring(L, selfexe);
else lua_pushnil(L);
lua_setglobal(L, "__SELFEXE");
// Will be useful
#ifdef __APPLE__
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lua_setglobal(L, "__APPLE__");
#endif
// Run bootstrapping
if (!luaL_loadfile(L, "/bootstrap/boot.lua")) { lua_call(L, 0, 0); }
// Could not load bootstrap! Try to mount the engine from working directory as last resort
else
{
printf("Could not find bootstrapping code! Aborting!\n");
exit(1);
}
// Get the core
lua_getglobal(L, "get_core");
if (core_def->coretype) lua_pushstring(L, core_def->coretype); else lua_pushnil(L);
lua_pushnumber(L, core_def->corenum);
lua_call(L, 2, 1);
char *core = strdup((char*)lua_tostring(L, -1));
printf("Runner booting core: %s\n", core);
lua_close(L);
PHYSFS_deinit();
if (!core) {
printf("No core found!");
exit(1);
}
return core;
}