Function luaH_get

third-party/lua-5.2.4/src/ltable.c:481–503

** main search function */

** main search function
*/
const TValue *luaH_get (Table *t, const TValue *key) {
  switch (ttype(key)) {
    case LUA_TSHRSTR: return luaH_getstr(t, rawtsvalue(key));
    case LUA_TNIL: return luaO_nilobject;
    case LUA_TNUMBER: {
      int k;
      lua_Number n = nvalue(key);
      lua_number2int(k, n);
      if (luai_numeq(cast_num(k), n)) /* index is int? */
        return luaH_getint(t, k);  /* use specialized version */
      /* else go through */
    }
    default: {
      Node *n = mainposition(t, key);
      do {  /* check whether `key' is somewhere in the chain */
        if (luaV_rawequalobj(gkey(n), key))
          return gval(n);  /* that's it */
        else n = gnext(n);
      } while (n);
      return luaO_nilobject;
    }
  }
}


/*