Function labelstat

depends/lua/src/lparser.c:1224–1239

static void labelstat (LexState *ls, TString *label, int line) {
  /* label -> '::' NAME '::' */
  FuncState *fs = ls->fs;
  Labellist *ll = &ls->dyd->label;
  int l;  /* index of new label being created */
  checkrepeated(fs, ll, label);  /* check for repeated labels */
  checknext(ls, TK_DBCOLON);  /* skip double colon */
  /* create new entry for this label */
  l = newlabelentry(ls, ll, label, line, luaK_getlabel(fs));
  skipnoopstat(ls);  /* skip other no-op statements */
  if (block_follow(ls, 0)) {  /* label is last no-op statement in the block? */
    /* assume that locals are already out of scope */
    ll->arr[l].nactvar = fs->bl->nactvar;
  }
  findgotos(ls, &ll->arr[l]);
}


static void whilestat (LexState *ls, int line) {