| 145 | |
| 146 | |
| 147 | LUA_API lua_State *lua_newstate (lua_Alloc f, void *ud) { |
| 148 | int i; |
| 149 | lua_State *L; |
| 150 | global_State *g; |
| 151 | void *l = (*f)(ud, NULL, 0, state_size(LG)); |
| 152 | if (l == NULL) return NULL; |
| 153 | memset(l, 0, LUAI_EXTRASPACE); |
| 154 | L = tostate(l); |
| 155 | g = &((LG *)L)->g; |
| 156 | L->next = NULL; |
| 157 | L->tt = LUA_TTHREAD; |
| 158 | g->currentwhite = bit2mask(WHITE0BIT, FIXEDBIT); |
| 159 | L->marked = luaC_white(g); |
| 160 | set2bits(L->marked, FIXEDBIT, SFIXEDBIT); |
| 161 | preinit_state(L, g); |
| 162 | g->frealloc = f; |
| 163 | g->ud = ud; |
| 164 | g->mainthread = L; |
| 165 | g->uvhead.u.l.prev = &g->uvhead; |
| 166 | g->uvhead.u.l.next = &g->uvhead; |
| 167 | g->GCthreshold = 0; /* mark it as unfinished state */ |
| 168 | g->strt.size = 0; |
| 169 | g->strt.nuse = 0; |
| 170 | g->strt.hash = NULL; |
| 171 | setnilvalue(registry(L)); |
| 172 | setnilvalue(callins(L)); |
| 173 | luaZ_initbuffer(L, &g->buff); |
| 174 | g->panic = NULL; |
| 175 | g->gcstate = GCSpause; |
| 176 | g->rootgc = obj2gco(L); |
| 177 | g->sweepstrgc = 0; |
| 178 | g->sweepgc = &g->rootgc; |
| 179 | g->gray = NULL; |
| 180 | g->grayagain = NULL; |
| 181 | g->weak = NULL; |
| 182 | g->tmudata = NULL; |
| 183 | g->totalbytes = sizeof(LG); |
| 184 | g->gcpause = LUAI_GCPAUSE; |
| 185 | g->gcstepmul = LUAI_GCMUL; |
| 186 | g->gcdept = 0; |
| 187 | for (i=0; i<NUM_TAGS; i++) g->mt[i] = NULL; |
| 188 | if (luaD_rawrunprotected(L, f_luaopen, NULL) != 0) { |
| 189 | /* memory allocation error: free partial state */ |
| 190 | close_state(L); |
| 191 | L = NULL; |
| 192 | } |
| 193 | else |
| 194 | luai_userstateopen(L); |
| 195 | return L; |
| 196 | } |
| 197 | |
| 198 | |
| 199 | static void callallgcTM (lua_State *L, void *ud) { |
no test coverage detected