Function tonumeral

third-party/lua-5.5.0/src/lcode.c:57–69

** If expression is a numeric constant, fills 'v' with its value ** and returns 1. Otherwise, returns 0. */

** and returns 1. Otherwise, returns 0.
*/
static int tonumeral (const expdesc *e, TValue *v) {
  if (hasjumps(e))
    return 0;  /* not a numeral */
  switch (e->k) {
    case VKINT:
      if (v) setivalue(v, e->u.ival);
      return 1;
    case VKFLT:
      if (v) setfltvalue(v, e->u.nval);
      return 1;
    default: return 0;
  }
}


/*