90 LUA_API int lua_getstack (lua_State *L, int level, lua_Debug *ar) {  in lua_getstack()  argument
99     ar->i_ci = ci;  in lua_getstack()
151 LUA_API const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n) {  in lua_getlocal()  argument
155   if (ar == NULL) {  /* information about non-active function? */  in lua_getlocal()
163     name = findlocal(L, ar->i_ci, n, &pos);  in lua_getlocal()
175 LUA_API const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n) {  in lua_setlocal()  argument
180   name = findlocal(L, ar->i_ci, n, &pos);  in lua_setlocal()
190 static void funcinfo (lua_Debug *ar, Closure *cl) {  in funcinfo()  argument
192     ar->source = "=[C]";  in funcinfo()
193     ar->linedefined = -1;  in funcinfo()
194     ar->lastlinedefined = -1;  in funcinfo()
195     ar->what = "C";  in funcinfo()
199     ar->source = p->source ? getstr(p->source) : "=?";  in funcinfo()
200     ar->linedefined = p->linedefined;  in funcinfo()
201     ar->lastlinedefined = p->lastlinedefined;  in funcinfo()
202     ar->what = (ar->linedefined == 0) ? "main" : "Lua";  in funcinfo()
204   luaO_chunkid(ar->short_src, ar->source, LUA_IDSIZE);  in funcinfo()
227 static int auxgetinfo (lua_State *L, const char *what, lua_Debug *ar,  in auxgetinfo()  argument
233         funcinfo(ar, f);  in auxgetinfo()
237         ar->currentline = (ci && isLua(ci)) ? currentline(ci) : -1;  in auxgetinfo()
241         ar->nups = (f == NULL) ? 0 : f->c.nupvalues;  in auxgetinfo()
243           ar->isvararg = 1;  in auxgetinfo()
244           ar->nparams = 0;  in auxgetinfo()
247           ar->isvararg = f->l.p->is_vararg;  in auxgetinfo()
248           ar->nparams = f->l.p->numparams;  in auxgetinfo()
253         ar->istailcall = (ci) ? ci->callstatus & CIST_TAIL : 0;  in auxgetinfo()
259           ar->namewhat = getfuncname(L, ci->previous, &ar->name);  in auxgetinfo()
261           ar->namewhat = NULL;  in auxgetinfo()
262         if (ar->namewhat == NULL) {  in auxgetinfo()
263           ar->namewhat = "";  /* not found */  in auxgetinfo()
264           ar->name = NULL;  in auxgetinfo()
278 LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar) {  in lua_getinfo()  argument
293     ci = ar->i_ci;  in lua_getinfo()
298   status = auxgetinfo(L, what, ar, cl, ci);  in lua_getinfo()