Function luaK_exp2anyreg

app/redis-6.2.6/deps/lua/src/lcode.c:422–433

int luaK_exp2anyreg (FuncState *fs, expdesc *e) {
  luaK_dischargevars(fs, e);
  if (e->k == VNONRELOC) {
    if (!hasjumps(e)) return e->u.s.info;  /* exp is already in a register */
    if (e->u.s.info >= fs->nactvar) {  /* reg. is not a local? */
      exp2reg(fs, e, e->u.s.info);  /* put value on it */
      return e->u.s.info;
    }
  }
  luaK_exp2nextreg(fs, e);  /* default */
  return e->u.s.info;
}


void luaK_exp2val (FuncState *fs, expdesc *e) {