Function createlabel

third-party/lua-5.5.0/src/lparser.c:678–686

** Create a new label with the given 'name' at the given 'line'. ** 'last' tells whether label is the last non-op statement in its ** block. Solves all pending gotos to this new label and adds ** a close instruction if necessary. ** Returns true iff it added a close instruction. */

** Returns true iff it added a close instruction.
*/
static void createlabel (LexState *ls, TString *name, int line, int last) {
  FuncState *fs = ls->fs;
  Labellist *ll = &ls->dyd->label;
  int l = newlabelentry(ls, ll, name, line, luaK_getlabel(fs));
  if (last) {  /* label is last no-op statement in the block? */
    /* assume that locals are already out of scope */
    ll->arr[l].nactvar = fs->bl->nactvar;
  }
}


/*