Function luaL_tolstring

Source/Misc/luabind/src/lua51compat.cpp:35–56

Taken (with slightly adapted formatting) from Lua 5.2.3: ** $Id: lauxlib.c,v 1.248.1.1 2013/04/12 18:48:47 roberto Exp $ ** Auxiliary functions for building Lua libraries * Copyright (C) 1994-2013 Lua.org, PUC-Rio. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software withou

* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
LUABIND_API char const* 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);
}

#endif // LUA_VERSION_NUM < 502