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From: jean-baptiste g. <jea...@la...> - 2015-12-12 00:23:17
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Hi, Well it's weird but I don't remember the exact fork I'm using, I think I use this one https://github.com/mrsharpoblunto/LHP/tree/master/luabind-0.7/include/luabind I do not use the official release because I had some problems related to size_t & x64 builds, and this fork solved it. Here is the c++ code, please note that at this point I'm 100% sure the object on the stack is the "self" of my class instance //get the luabind object from the stack luabind::object o(luabind::from_stack(L, lastIndex)); for (luabind::iterator i(o), end; i != end; ++i) { try { std::string strKey = luabind::object_cast<std::string>(i.key()); printf("%s\n",strKey.c_str()); } catch(luabind::cast_failed & e) { printf("error\n"); } } ---------- As a result, it simply prints "error" indefinitely. Thanks. On 11/12/2015 17:57, Pavel Kovalenko wrote: > Hi, > > I don't have such problem (using luabind-deboostified fork). Could you > show the code which causes an infinite loop? Which fork do you use? > > On 12/11/2015 3:00 PM, lua...@li... wrote: >> Send luabind-user mailing list submissions to >> lua...@li... >> >> To subscribe or unsubscribe via the World Wide Web, visit >> https://lists.sourceforge.net/lists/listinfo/luabind-user >> or, via email, send a message with subject or body 'help' to >> lua...@li... >> >> You can reach the person managing the list at >> lua...@li... >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of luabind-user digest..." >> >> >> Today's Topics: >> >> 1. Re: How to get the attributes of a lua class without their >> names, using luabind (Crashy) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Thu, 10 Dec 2015 05:07:38 -0700 (MST) >> From: Crashy <jea...@la...> >> Subject: Re: [luabind] How to get the attributes of a lua class >> without their names, using luabind >> To: lua...@li... >> Message-ID: <144...@n2...> >> Content-Type: text/plain; charset=us-ascii >> >> Hi ! >> >> I hate to 'bump' very old topics, but I'm facing the same problem while >> writing a lua debugger. >> I can access values by name, but using the iterator results in an infinite >> loop. >> Iterators are doing well when the object is a simple table though, it only >> fails when the object is a luabind class. >> >> Does anybody has a solution to iterate over member variables of a luabind >> class ? >> >> Thanks ! >> >> >> Thibault Ehrhart wrote >>> Hello everyone, >>> >>> I have a Lua class (defined using luabind's 'class' keyword) and I'd like >>> to get the value of the attributes defined in Lua, with C++. >>> >>> In the code below, I've defined a class, created an instance "foo" and set >>> a custom attribute "bar" to that instance. Finally, I am calling a C++ >>> function which has to print the attributes of the instance passed as a >>> parameter. >>> >>> Here's the Lua code : >>> >>> class 'MyLuaClass' >>> function MyLuaClass:__init() end >>> >>> foo = MyLuaClass() >>> foo.bar = "baz"; >>> PrintAttributes(foo); >>> >>> And now the C++ code of the PrintAttributes function, obj is a class >>> instance: >>> >>> void PrintAttributes(luabind::object &obj) >>> { >>> // Direct access works >>> std::cout << obj["bar"] << std::endl; // Will print "baz" :-) >>> >>> // But what if I don't know the name of the variable(s)? >>> for (luabind::iterator it(obj); it != luabind::iterator(); ++it) >>> { >>> // Doesn't work since obj is an userdata >>> } >>> } >>> >>> I've also tried to use class_info but it only works with properties >>> defined >>> in a C++ class. Is there a way to access those defined with Lua? >>> >>> Regards, >> >> >> >> >> -- >> View this message in context: http://lua.2524044.n2.nabble.com/How-to-get-the-attributes-of-a-lua-class-without-their-names-using-luabind-tp7654070p7670726.html >> Sent from the Lua C++ Bind mailing list archive at Nabble.com. >> >> >> >> ------------------------------ >> >> ------------------------------------------------------------------------------ >> >> >> ------------------------------ >> >> _______________________________________________ >> luabind-user mailing list >> lua...@li... >> https://lists.sourceforge.net/lists/listinfo/luabind-user >> >> >> End of luabind-user Digest, Vol 94, Issue 1 >> ******************************************* >> >> |
