Re: [luabind] attempt to concatenate field 'value' (a function value)
Brought to you by:
arvidn,
daniel_wallin
From: <ma...@sq...> - 2014-11-01 18:42:25
|
oops, I had missed that out of the simplified test case, however it still isn't working for me after adding that in :(. I guess lua or luabind is broken on my system (Linux Mint 17) > Hello, > > Your Lua code should not be working at all, since no libraries are > loaded and print isn't even defined. > After adding luaL_openlibs(L); after creating the Lua state, it works > fine for me: > > $ ./lua > value : 4 > > Regards, > Andreas > > > Am 01.11.2014 um 18:45 schrieb ma...@sq...: >> Can anybody explain this for me? It used to work on an older system with >> lua5.1. >> >> i'm now using lua5.2, luabind version us 0.9.1 (on both systems) >> >> g++ -o lua lua.cpp -lluabind -llua5.2 -ldl -I /usr/include/lua5.2 >> ./lua >> lua runtime error >> [string "function test(t)..."]:2: attempt to concatenate field 'value' >> (a >> function value) >> >> extern "C" { >> #include "lua.h" >> #include "lualib.h" >> #include "lauxlib.h" >> } >> >> #include <luabind/luabind.hpp> >> #include <iostream> >> >> struct Test >> { >> Test(int v) : value(v) {}; >> ~Test() {}; >> int value; >> }; >> >> >> int DebuggerFunc(lua_State* L) >> { >> luabind::object error_msg(luabind::from_stack(L, -1)); >> std::cerr << error_msg << std::endl; >> return 0; >> } >> >> int main() { >> lua_State *L = luaL_newstate(); >> luabind::open(L); >> >> luabind::module(L) >> [ >> luabind::class_<Test>("Test") >> .def(luabind::constructor<int>()) >> .def_readonly("value",&Test::value) >> ]; >> >> luaL_dostring( >> L, >> "function test(t)\n" >> " print(\"value : \" .. t.value)\n" >> "end\n" >> ); >> >> Test t(4); >> >> try { >> luabind::call_function<int>(L, "test", &t); >> } >> catch (const luabind::error &er) >> { >> std::cerr << er.what() << std::endl; >> lua_State* Ler=er.state(); >> DebuggerFunc(Ler); >> } >> catch (...) >> { >> std::cerr << "Unknown error!" << std::endl; >> } >> lua_close(L); >> } >> >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> luabind-user mailing list >> lua...@li... >> https://lists.sourceforge.net/lists/listinfo/luabind-user > > > ------------------------------------------------------------------------------ > _______________________________________________ > luabind-user mailing list > lua...@li... > https://lists.sourceforge.net/lists/listinfo/luabind-user > |