Function luaL_tolstring

third-party/lua-5.2.4/src/lauxlib.c:737–757

LUALIB_API const char *luaL_tolstring (lua_State *L, int idx, size_t *len) {
  if (!luaL_callmeta(L, idx, "__tostring")) {  /* no metafield? */
    switch (lua_type(L, idx)) {
      case LUA_TNUMBER:
      case LUA_TSTRING:
        lua_pushvalue(L, idx);
        break;
      case LUA_TBOOLEAN:
        lua_pushstring(L, (lua_toboolean(L, idx) ? "true" : "false"));
        break;
      case LUA_TNIL:
        lua_pushliteral(L, "nil");
        break;
      default:
        lua_pushfstring(L, "%s: %p", luaL_typename(L, idx),
                                            lua_topointer(L, idx));
        break;
    }
  }
  return lua_tolstring(L, -1, len);
}


/*