Function luaO_arith

third-party/lua-5.5.0/src/lobject.c:188–194

void luaO_arith (lua_State *L, int op, const TValue *p1, const TValue *p2,
                 StkId res) {
  if (!luaO_rawarith(L, op, p1, p2, s2v(res))) {
    /* could not perform raw operation; try metamethod */
    luaT_trybinTM(L, p1, p2, res, cast(TMS, (op - LUA_OPADD) + TM_ADD));
  }
}


lu_byte luaO_hexavalue (int c) {