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Re: [Boost-users] boost::serialize on Codewarrior 8.3 (Mac)
by Ryan Wilcox 22 Dec '04

22 Dec '04

On 12/21/04, at 10:09 PM, Ryan Wilcox said: >-----BEGIN PGP SIGNED MESSAGE----- >Hash: SHA1 > > >>--- At Mon, 20 Dec 2004 17:21:11 -0500, Ryan Wilcox wrote: > >>>I would like to use boost::serialize for one of my projects, using >>>Codewarrior 8.3 (going to CW 9 may or may not be in the picture), on >>>Mac OS X (10.3.x) > >I reproduced this error with the following Simplest Sample That Will >(for me) Fail To Compile. [snip] >Part of the error message (the beginning and the end) are still inline >(although just a copy from the OP, it is 999.95% the same as what I get >when I try to compile this sample. Oh wait, no it's not. Same result, differnt path, the header and the footer of the error message are the same, but the body is slighly different. It Might Be Useful to folk, so I've included it again. (somewhat sorry if I violated list policy here) See below: Error : illegal use of abstract class ('boost::archive::detail::basic_iserializer::load_object_data(boost::archive::detail::basic_iarchive &, void *, const unsigned int) const') (point of instantiation: 'main()') (instantiating: 'boost::archive::detail::interface_iarchive<boost::archive::text_iarchive>::operator>><boost::serialization::nvp<std::vector<int, std::allocator<int>>>>(const boost::serialization::nvp<std::vector<int, std::allocator<int>>> &)') (instantiating: 'boost::archive::text_iarchive_impl<boost::archive::text_iarchive>::load_override<boost::serialization::nvp<std::vector<int, std::allocator<int>>>>(boost::serialization::nvp<std::vector<int, std::allocator<int>>> &, int)') (instantiating: 'boost::archive::basic_text_iarchive<boost::archive::text_iarchive>::load_override<boost::serialization::nvp<std::vector<int, std::allocator<int>>>>(boost::serialization::nvp<std::vector<int, std::allocator<int>>> &, int)') (instantiating: 'boost::archive::load<boost::archive::text_iarchive, boost::serialization::nvp<std::vector<int, std::allocator<int>>>>(boost::archive::text_iarchive &, boost::serialization::nvp<std::vector<int, std::allocator<int>>> &)') (instantiating: 'boost::archive::detail::load_non_pointer_type<boost::archive::text_iarchive, boost::serialization::nvp<std::vector<int, std::allocator<int>>>>::invoke(boost::archive::text_iarchive &, boost::serialization::nvp<std::vector<int, std::allocator<int>>> &)') (instantiating: 'boost::archive::detail::load_non_pointer_type<boost::archive::text_iarchive, boost::serialization::nvp<std::vector<int, std::allocator<int>>>>::load_only::invoke(boost::archive::text_iarchive &, boost::serialization::nvp<std::vector<int, std::allocator<int>>> &)') (instantiating: 'boost::serialization::serialize_adl<boost::archive::text_iarchive, boost::serialization::nvp<std::vector<int, std::allocator<int>>>>(boost::archive::text_iarchive &, boost::serialization::nvp<std::vector<int, std::allocator<int>>> &, const unsigned int)') (instantiating: 'boost::serialization::serialize<boost::archive::text_iarchive, boost::serialization::nvp<std::vector<int, std::allocator<int>>>>(boost::archive::text_iarchive &, boost::serialization::nvp<std::vector<int, std::allocator<int>>> &, const unsigned int)') (instantiating: 'boost::serialization::access::serialize<boost::archive::text_iarchive, boost::serialization::nvp<std::vector<int, std::allocator<int>>>>(boost::archive::text_iarchive &, boost::serialization::nvp<std::vector<int, std::allocator<int>>> &, const unsigned int)') (instantiating: 'boost::serialization::nvp<std::vector<int, std::allocator<int>>>::serialize<boost::archive::text_iarchive>(boost::archive::text_iarchive &, const unsigned int) const') (instantiating: 'boost::archive::detail::interface_iarchive<boost::archive::text_iarchive>::operator&<std::vector<int, std::allocator<int>>>(std::vector<int, std::allocator<int>> &)') (instantiating: 'boost::archive::text_iarchive_impl<boost::archive::text_iarchive>::load_override<std::vector<int, std::allocator<int>>>(std::vector<int, std::allocator<int>> &, int)') (instantiating: 'boost::archive::basic_text_iarchive<boost::archive::text_iarchive>::load_override<std::vector<int, std::allocator<int>>>(std::vector<int, std::allocator<int>> &, int)') (instantiating: 'boost::archive::load<boost::archive::text_iarchive, std::vector<int, std::allocator<int>>>(boost::archive::text_iarchive &, std::vector<int, std::allocator<int>> &)') (instantiating: 'boost::archive::detail::load_non_pointer_type<boost::archive::text_iarchive, std::vector<int, std::allocator<int>>>::invoke(boost::archive::text_iarchive &, std::vector<int, std::allocator<int>> &)') (instantiating: 'boost::archive::detail::load_non_pointer_type<boost::archive::text_iarchive, std::vector<int, std::allocator<int>>>::load::invoke(boost::archive::text_iarchive &, std::vector<int, std::allocator<int>> &)') (instantiating: 'boost::archive::detail::iserializer<boost::archive::text_iarchive, std::vector<int, std::allocator<int>>>::instantiate()') iserializer.hpp line 142 static iserializer instance(); Thanks, _Ryan Wilcox

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boost::posix_time::ptime - Parsing time - clarification
by Rakesh Kumar 22 Dec '04

22 Dec '04

Hi, I was going through the API to parse a date-time field. I came across the boost library regarding the same. #include "boost/date_time/posix_time/posix_time.hpp" using namespace boost::posix_time; #include <iostream> #include <cstdlib> using std::cout; int main() { std::string ts("2002-01-20 23:59:59.000"); ptime t(time_from_string(ts)); cout << to_simple_string(t); return EXIT_SUCCESS; } This example compiled fine and gave me the right results. But suppose if I have another date representation as follows. 06 Dec 2004 10:40:58.000 If I enter the same string and try to parse from it, the method time_from_string aborts. I was wondering if there is any way I can tell time_from_string the format and try to parse from it. __________________________________ Do you Yahoo!? Yahoo! Mail - Find what you need with new enhanced search. http://info.mail.yahoo.com/mail_250

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[program_options] option mnemonics
by Joe Higham 21 Dec '04

21 Dec '04

In addition to the ability to define a long and short (one character) name for an option, is there a way to provide an "in-between" name? This way an alias, acronym, or mnemonic version could be provided. For example: desc.add_options() ( "very-long-option-name,vlon,v", value< string >, "a long option name" ) ; and cout << desc would print something like: -v | -vlon | --very-long-option-name arg : a long option name I would also not mind giving up the single-character version in favor of a mnemonic: desc.add_options() ( "very-long-option-name,vlon", value< string >, "a long option name" ) ; cout << desc would print: -vlon [--very-long-option-name] arg : a long option name -- Joe Higham / Blue Sky Studios

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Lambda return type deduction off of the generated lambda fctor (is it possible?)
by Brian Braatz 21 Dec '04

21 Dec '04

I wrote up the simple example that shows what I am trying to figure out Basically, I am trying to pull the deduced return type (or explicitly passed as a template param in lambda bind()) in my template: Any help or direction is greatly appreciated template <typename CURRIEDTYPE> // Id class for currying type without creating the object class Id { public: typedef CURRIEDTYPE TYPE; }; // Explictly pass IN a return type template < typename TFUNCTOR, typename TRET> TRET CallFctorPassInRet ( TFUNCTOR & functor, Id<TRET> & ) { Id<TRET>::TYPE TRet; TRet = functor(); return TRet; } std::string ReturnAString() { return "this is a string"; } // try to get return type from the lambda fctor // Below does not compile- but it is along the lines of what I // WANT to do- note that I am trying to get from the Lambda functor the deduced return type template < typename TFUNCTOR> TFUNCTOR::result_type CallFctorDeduceRet( TFUNCTOR & functor) { return functor(); } void Test_LambdaRetDeduction() { std::cout << "CallFctorPassInRet returns [" << CallFctorPassInRet( bind(&ReturnAString), Id<std::string>()) << "]" << std::endl; // below is what I want to make work std::cout << "CallFctorDeduceRet returns [" << CallFctorDeduceRet( bind<std::string>(&ReturnAString)) << "]" << std::endl; }

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Class template spec with enable_if
by Agoston Bejo 21 Dec '04

21 Dec '04

Hello again! See the example below. (Platform: VC++7.1) This error is strange for me because it only occurs in the case of class template specialization. The compiler deduces the type of is_arithmetic<T>::value falsely, not as bool, althought it is known at compile time, isn't it? The error messages (both referring to the erroneous line marked with "ERROR"): error C2296: '&&' : illegal, left operand has type 'is_arithmetic<T>::value' error C2297: '&&' : illegal, right operand has type 'is_arithmetic<T2>::value' Thx, Agoston Example: //------------------------------------------------------- #include <iostream> #include <boost/utility/enable_if.hpp> #include <boost/type_traits.hpp> #include <boost/mpl/and.hpp> using namespace std; using namespace boost; using namespace mpl; // ----------------- template<typename T1, typename T2, typename TEnabler = void> struct Enabler { static const bool value = false; }; template<typename T1, typename T2> struct Enabler<T1, T2, typename enable_if_c< is_arithmetic<T1>::value && is_arithmetic<T2>::value >::type // ERROR!!! > { static const bool value = true; }; */ /* //WOULD WORK: typename enable_if< and_< is_arithmetic<T1>, is_arithmetic<T2> > >::type */ // ----------------- template<typename T1, typename T2> typename enable_if_c< is_arithmetic<T1>::value && is_arithmetic<T2>::value >::type f(T1 t1, T2 t2) { cout << t1 << " " << t2 << endl; } // ----------------- int _tmain(int argc, _TCHAR* argv[]) { f(5.0, 6); return 0; }

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Do you think the Serialization Lib too disordered ?
by zhengyi 21 Dec '04

21 Dec '04

Serialization Lib doesn't have any single header file that can include for all. you must include every class header file separately. And what's the archive ? What is it's role ? Does it is an other liberary?(There is not any info in the downloaded Doc ). My Test code can't link successfully. The linker said there are some unresolved external symbol. It seems that some class was implemented in files in the archive. But this dir is not a "project",and the bjam do not compile it .it is simple copy file to the destination. It seems that those classes were not exposed by the serialization project 　　　　　　　　　　　　　　zhengyi 　　　　　　　　　　　　　　goodmen(a)x263.net 　　　　　　　　　　　　　　　　　2004-12-08

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question - modify depth_first_search
by Matthias Linkenheil 21 Dec '04

21 Dec '04

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AW: [Boost-users] boost::variant with boost::signals leads toInternalCompiler Error with MSDEV 7.1
by "Meißner, Joachim" 21 Dec '04

21 Dec '04

Removing successivly the compiler switches I finally coud build my code snippet by Removing the /Gm option. Jom > Von: Meißner, Joachim > Gesendet: Dienstag, 21. Dezember 2004 09:01 > > I'm using this compiler call (generated by QT's qmake): > > cl.exe /Od /I "\boost-1.32.0" /I "\Qt\include" /I "." /I > "\Qt\mkspecs\win32-msvc.net" /D "_WINDOWS" /D "UNICODE" /D > "WIN32" /D "BOOST_SIGNALS_NAMESPACE=signalslib" /D > "QT_THREAD_SUPPORT" /Gm /EHsc /MTd /GR /Fo".\\" /Fd".\\" /W3 > /nologo /c /Zi /TP -Zm200 -GX -GX -w34100 -w34189 test_wrap.cpp > > Resulting in this error: > > ..\boost-1.32.0\boost\mpl\aux_\preprocessed\plain\apply_wrap.h > pp(48) : fatal error C1001: INTERNAL C OMPILER ERROR > > Compiler is: > Microsoft Development Environment Version 7.1.3088 > > Jom

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boost::variant with boost::signals leads to Internal Compiler Error with MSDEV 7.1
by "Meißner, Joachim" 21 Dec '04

21 Dec '04

Hi Environment: MS 7.1 compile with MS implementation of STL Boost 1.32.0 Summary: I get an internal compiler error using boost::variant as a parameter of a boost::signal compiling with MSDEV 7.1, but not with gcc3.3/3.4 or MinGW (3.5). Does anyone knows a workaround other than not using boost::signals? Details Using a signal with a variant of 2 simple classes (see code snippet) leads to an internal compiler error C1001. Using pragma command to turn optimisation off as Suggested by the compiler does not change a thing Does anyone knows a workaround? Regards, jom Here's the bad code snippet: #include <boost/bind.hpp> #include <boost/signals.hpp> #include <boost/variant.hpp> #include <vector> class MessageException : public std::exception { public: MessageException() : std::exception( "Message error" ) {} }; class Message { public: typedef std::vector<unsigned char> Content; Message(unsigned int p, unsigned char def = ' ') : m_vector( p, def ) {} const Content& message() {return m_vector;} private: Content m_vector; }; typedef boost::variant<MessageException, Message> MessageVariant; class TestWrap { public: TestWrap(){} typedef boost::signal1<void, MessageVariant> MessageSignal; //typedef boost::signal<void (MessageVariant)> MessageSignal; void send_signal (MessageVariant& variant) { m_message_signal( variant ); } private: MessageSignal m_message_signal; };

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AW: [Boost-users] boost::variant with boost::signals leads toInternal Compiler Error with MSDEV 7.1
by "Meißner, Joachim" 21 Dec '04

21 Dec '04

I'm using this compiler call (generated by QT's qmake): cl.exe /Od /I "\boost-1.32.0" /I "\Qt\include" /I "." /I "\Qt\mkspecs\win32-msvc.net" /D "_WINDOWS" /D "UNICODE" /D "WIN32" /D "BOOST_SIGNALS_NAMESPACE=signalslib" /D "QT_THREAD_SUPPORT" /Gm /EHsc /MTd /GR /Fo".\\" /Fd".\\" /W3 /nologo /c /Zi /TP -Zm200 -GX -GX -w34100 -w34189 test_wrap.cpp Resulting in this error: ..\boost-1.32.0\boost\mpl\aux_\preprocessed\plain\apply_wrap.hpp(48) : fatal error C1001: INTERNAL C OMPILER ERROR Compiler is: Microsoft Development Environment Version 7.1.3088 Jom > -----Ursprüngliche Nachricht----- > Von: Victor A. Wagner Jr. [mailto:vawjr@rudbek.com] > Gesendet: Montag, 20. Dezember 2004 19:33 > > your snippit compiles fine using my vs7.1 and the latest from > CVS. is there some code needed to instantiate any of this > needed to cause the ICE? >

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