Function luaK_checkstack

third-party/lua-5.5.0/src/lcode.c:476–482

** Check register-stack level, keeping track of its maximum size ** in field 'maxstacksize' */

** in field 'maxstacksize'
*/
void luaK_checkstack (FuncState *fs, int n) {
  int newstack = fs->freereg + n;
  if (newstack > fs->f->maxstacksize) {
    luaY_checklimit(fs, newstack, MAX_FSTACK, "registers");
    fs->f->maxstacksize = cast_byte(newstack);
  }
}


/*