Function backref_l

other_src/lua/src/lpeg.cpp:1753–1758

static int backref_l (lua_State *L) {
  Instruction *p = newpatt(L, 1);
  int n = getlabel(L, 1);
  setinstcap(p, IEmptyCaptureIdx, n, Cbackref, 0);
  return 1;
}


static int argcap_l (lua_State *L) {