static lua_State* luastate_New(int (*terminationCallback)(void* stateptr)) {
lua_State* l = luaL_newstate();
lua_gc(l, LUA_GCSTOP, 0);
//lua_gc(l, LUA_GCSETPAUSE, 110);
//lua_gc(l, LUA_GCSETSTEPMUL, 300);
if (terminationCallback) {
// allow possible script kill when script runs too long:
lua_sethook(l, &luastate_InstructionCallback, LUA_MASKCOUNT, 5000);
// push the pointer to the lua registry:
lua_pushstring(l, "terminationCallback");
lua_pushlightuserdata(l, (void*)terminationCallback);
lua_settable(l, LUA_REGISTRYINDEX);
}
// standard libs
luaL_openlibs(l);
luastate_RememberTracebackFunc(l);
luastate_VoidDebug(l);
luastate_AddBlitwizFuncs(l);
// clean up global namespace apart from whitelist:
luastate_ApplyWhitelist(l);
// own dofile/loadfile/print
lua_pushcfunction(l, &luafuncs_loadfile);
lua_setglobal(l, "loadfile");
lua_pushcfunction(l, &luafuncs_dofile);
lua_setglobal(l, "dofile");
lua_pushcfunction(l, &luafuncs_print);
lua_setglobal(l, "print");
lua_pushcfunction(l, &luafuncs_dostring);
lua_setglobal(l, "dostring");
lua_pushcfunction(l, &luafuncs_dostring_returnvalues);
lua_setglobal(l, "dostring_returnvalues");
// obtain the blitwiz lib
lua_getglobal(l, "blitwizard");
// blitwizard.runDelayed:
lua_pushstring(l, "runDelayed");
lua_pushcfunction(l, &luafuncs_runDelayed);
lua_settable(l, -3);
// blitwizard.object:
lua_pushstring(l, "object");
luastate_CreateObjectTable(l);
lua_settable(l, -3);
// blitwizard.getAllObjects():
lua_pushstring(l, "getAllObjects");
lua_pushcfunction(l, &luafuncs_getAllObjects);
lua_settable(l, -3);
// blitwizard.scanFor2dObjects():
lua_pushstring(l, "scanFor2dObjects");
lua_pushcfunction(l, &luafuncs_scanFor2dObjects);
lua_settable(l, -3);
// blitwizard.setStep:
lua_pushstring(l, "setStep");
lua_pushcfunction(l, &luafuncs_setstep);
lua_settable(l, -3);
// blitwizard.loadResourceArchive
lua_pushstring(l, "loadResourceArchive");
lua_pushcfunction(l, &luafuncs_loadResourceArchive);
lua_settable(l, -3);
// blitwizard.getTemplateDirectory:
lua_pushstring(l, "getTemplateDirectory");
lua_pushcfunction(l, &luafuncs_getTemplateDirectory);
lua_settable(l, -3);
// blitwizard namespaces
lua_pushstring(l, "graphics");
luastate_CreateGraphicsTable(l);
lua_settable(l, -3);
lua_pushstring(l, "net");
luastate_CreateNetTable(l);
lua_settable(l, -3);
lua_pushstring(l, "audio");
luastate_CreateAudioTable(l);
lua_settable(l, -3);
lua_pushstring(l, "debug");
luastate_CreateDebugTable(l);
lua_settable(l, -3);
lua_pushstring(l, "callback");
lua_newtable(l);
lua_pushstring(l, "event");
lua_newtable(l);
lua_settable(l, -3);
lua_settable(l, -3);
lua_pushstring(l, "time");
luastate_CreateTimeTable(l);
lua_settable(l, -3);
lua_pushstring(l, "physics");
luastate_CreatePhysicsTable(l);
lua_settable(l, -3);
// we still have the module "blitwiz" on the stack here
lua_pop(l, 1);
// vector namespace:
luastate_CreateVectorTable(l);
lua_setglobal(l, "vector");
// obtain math table
lua_getglobal(l, "math");
// math namespace extensions
lua_pushstring(l, "trandom");
lua_pushcfunction(l, &luafuncs_trandom);
lua_settable(l, -3);
// remove math table from stack
lua_pop(l, 1);
// obtain os table
lua_getglobal(l, "os");
// os namespace extensions
lua_pushstring(l, "exit");
lua_pushcfunction(l, &luafuncs_exit);
lua_settable(l, -3);
lua_pushstring(l, "chdir");
lua_pushcfunction(l, &luafuncs_chdir);
lua_settable(l, -3);
lua_pushstring(l, "templatedir");
lua_pushcfunction(l, &luafuncs_templatedir);
lua_settable(l, -3);
lua_pushstring(l, "sleep");
lua_pushcfunction(l, &luafuncs_sleep);
lua_settable(l, -3);
lua_pushstring(l, "gameluapath");
lua_pushcfunction(l, &luafuncs_gameluapath);
lua_settable(l, -3);
lua_pushstring(l, "forcetemplatedir");
lua_pushcfunction(l, &luafuncs_forcetemplatedir);
lua_settable(l, -3);
lua_pushstring(l, "openConsole");
lua_pushcfunction(l, &luafuncs_openConsole);
lua_settable(l, -3);
lua_pushstring(l, "ls");
lua_pushcfunction(l, &luafuncs_ls);
lua_settable(l, -3);
lua_pushstring(l, "isdir");
lua_pushcfunction(l, &luafuncs_isdir);
lua_settable(l, -3);
lua_pushstring(l, "getcwd");
lua_pushcfunction(l, &luafuncs_getcwd);
lua_settable(l, -3);
lua_pushstring(l, "exists");
lua_pushcfunction(l, &luafuncs_exists);
lua_settable(l, -3);
lua_pushstring(l, "sysname");
lua_pushcfunction(l, &luafuncs_sysname);
lua_settable(l, -3);
lua_pushstring(l, "sysversion");
lua_pushcfunction(l, &luafuncs_sysversion);
lua_settable(l, -3);
// throw table "os" off the stack
lua_pop(l, 1);
// get "string" table for custom string functions
lua_getglobal(l, "string");
// set custom string functions
lua_pushstring(l, "startswith");
lua_pushcfunction(l, &luafuncs_startswith);
lua_settable(l, -3);
lua_pushstring(l, "endswith");
lua_pushcfunction(l, &luafuncs_endswith);
lua_settable(l, -3);
lua_pushstring(l, "split");
lua_pushcfunction(l, &luafuncs_split);
lua_settable(l, -3);
// throw table "string" off the stack
lua_pop(l, 1);
// set _VERSION string:
char vstr[512];
char is64bit[] = " (64-bit binary)";
#ifndef _64BIT
strcpy(is64bit, "");
#endif
snprintf(vstr, sizeof(vstr), "Blitwizard %s based on Lua 5.2%s", VERSION, is64bit);
lua_pushstring(l, vstr);
lua_setglobal(l, "_VERSION");
// now set a default blitwizard.onLog handler:
lua_getglobal(l, "dostring");
lua_pushstring(l, "function blitwizard.onLog(type, msg)\n"
" print(\"[LOG:\" .. type .. \"] \" .. msg)\n"
"end\n");
// coverity[unchecked_value] - we don't want to cause error message
// logs from logging itself since that could cause an infinite loop.
// therefore, we don't handle possible lua errors here.
lua_pcall(l, 1, 0, 0);
return l;
}
static lua_State* luastate_New(void) {
lua_State* l = luaL_newstate();
lua_gc(l, LUA_GCSETPAUSE, 110);
lua_gc(l, LUA_GCSETSTEPMUL, 300);
// standard libs
luaL_openlibs(l);
luastate_RememberTracebackFunc(l);
luastate_VoidDebug(l);
luastate_AddBlitwizFuncs(l);
// own dofile/loadfile/print
lua_pushcfunction(l, &luafuncs_loadfile);
lua_setglobal(l, "loadfile");
lua_pushcfunction(l, &luafuncs_dofile);
lua_setglobal(l, "dofile");
lua_pushcfunction(l, &luafuncs_print);
lua_setglobal(l, "print");
// obtain the blitwiz lib
lua_getglobal(l, "blitwiz");
// blitwiz.setStep:
lua_pushstring(l, "setStep");
lua_pushcfunction(l, &luafuncs_setstep);
lua_settable(l, -3);
// blitwiz namespaces
lua_pushstring(l, "graphics");
luastate_CreateGraphicsTable(l);
lua_settable(l, -3);
lua_pushstring(l, "net");
luastate_CreateNetTable(l);
lua_settable(l, -3);
/*lua_pushstring(l, "sound");
luastate_CreateSoundTable(l);
lua_settable(l, -3);*/
lua_pushstring(l, "callback");
lua_newtable(l);
lua_pushstring(l, "event");
lua_newtable(l);
lua_settable(l, -3);
lua_settable(l, -3);
lua_pushstring(l, "time");
luastate_CreateTimeTable(l);
lua_settable(l, -3);
lua_pushstring(l, "physics");
luastate_CreatePhysicsTable(l);
lua_settable(l, -3);
// we still have the module "blitwiz" on the stack here
lua_pop(l, 1);
// obtain math table
lua_getglobal(l, "math");
// math namespace extensions
lua_pushstring(l, "trandom");
lua_pushcfunction(l, &luafuncs_trandom);
lua_settable(l, -3);
// remove math table from stack
lua_pop(l, 1);
// obtain os table
lua_getglobal(l, "os");
// os namespace extensions
lua_pushstring(l, "exit");
lua_pushcfunction(l, &luafuncs_exit);
lua_settable(l, -3);
lua_pushstring(l, "chdir");
lua_pushcfunction(l, &luafuncs_chdir);
lua_settable(l, -3);
lua_pushstring(l, "openConsole");
lua_pushcfunction(l, &luafuncs_openConsole);
lua_settable(l, -3);
lua_pushstring(l, "ls");
lua_pushcfunction(l, &luafuncs_ls);
lua_settable(l, -3);
lua_pushstring(l, "isdir");
lua_pushcfunction(l, &luafuncs_isdir);
lua_settable(l, -3);
lua_pushstring(l, "getcwd");
lua_pushcfunction(l, &luafuncs_getcwd);
lua_settable(l, -3);
lua_pushstring(l, "exists");
lua_pushcfunction(l, &luafuncs_exists);
lua_settable(l, -3);
lua_pushstring(l, "sysname");
lua_pushcfunction(l, &luafuncs_sysname);
lua_settable(l, -3);
lua_pushstring(l, "sysversion");
lua_pushcfunction(l, &luafuncs_sysversion);
lua_settable(l, -3);
// throw table "os" off the stack
lua_pop(l, 1);
// get "string" table for custom string functions
lua_getglobal(l, "string");
// set custom string functions
lua_pushstring(l, "starts");
lua_pushcfunction(l, &luafuncs_startswith);
lua_settable(l, -3);
lua_pushstring(l, "ends");
lua_pushcfunction(l, &luafuncs_endswith);
lua_settable(l, -3);
lua_pushstring(l, "split");
lua_pushcfunction(l, &luafuncs_split);
lua_settable(l, -3);
// throw table "string" off the stack
lua_pop(l, 1);
char vstr[512];
char is64bit[] = " (64-bit binary)";
#ifndef _64BIT
strcpy(is64bit, "");
#endif
snprintf(vstr, sizeof(vstr), "Blitwizard %s based on Lua 5.2%s", VERSION, is64bit);
lua_pushstring(l, vstr);
lua_setglobal(l, "_VERSION");
return l;
}
