Function stacklevel

extlibs/lua/src/lparser.c:227–236

** Convert 'nvar' (number of active variables at some point) to ** number of variables in the stack at that point. */

** number of variables in the stack at that point.
*/
static int stacklevel (FuncState *fs, int nvar) {
  while (nvar > 0) {
    Vardesc *vd = getlocalvardesc(fs, nvar - 1);
    if (vd->vd.kind != RDKCTC)  /* is in the stack? */
      return vd->vd.sidx + 1;
    else
      nvar--;  /* try previous variable */
  }
  return 0;  /* no variables */
}


/*