From: "François Dumont" <frs.dumont@gmail.com>
To: "libstdc++@gcc.gnu.org" <libstdc++@gcc.gnu.org>,
gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: Demangle symbols in debug assertion messages
Date: Tue, 19 May 2015 20:54:00 -0000 [thread overview]
Message-ID: <555BA15E.6090409@gmail.com> (raw)
In-Reply-To: <5547D73C.6070602@gmail.com>
Hello
Is it ok ?
François
On 04/05/2015 22:31, François Dumont wrote:
> Hi
>
> Here is the patch to demangle symbols in debug messages. I have
> also simplify code in formatter.h.
>
> Here is an example of assertion message:
>
> /home/fdt/dev/gcc/build/x86_64-unknown-linux-gnu/libstdc++-v3/include/debug/functions.h:213:
>
> error: function requires a valid iterator range [__first, __last).
>
> Objects involved in the operation:
> iterator "__first" @ 0x0x7fff165d68b0 {
> type =
> __gnu_debug::_Safe_iterator<__gnu_cxx::__normal_iterator<int*,
> std::__cxx1998::vector<int, std::allocator<int> > >,
> std::__debug::vector<int, std::allocator<int> > > (mutable iterator);
> state = dereferenceable;
> references sequence with type `std::__debug::vector<int,
> std::allocator<int> >' @ 0x0x7fff165d69d0
> }
> iterator "__last" @ 0x0x7fff165d68e0 {
> type =
> __gnu_debug::_Safe_iterator<__gnu_cxx::__normal_iterator<int*,
> std::__cxx1998::vector<int, std::allocator<int> > >,
> std::__debug::vector<int, std::allocator<int> > > (mutable iterator);
> state = dereferenceable;
> references sequence with type `std::__debug::vector<int,
> std::allocator<int> >' @ 0x0x7fff165d69d0
> }
>
>
> * include/debug/formatter.h (_GLIBCXX_TYPEID): New macro to simplify
> usage of typeid.
> (_Error_formatter::_M_print_type): New.
> * src/c++11/debug.cc
> (_Error_formatter::_Parameter::_M_print_field): Use latter.
> (_Error_formatter::_M_print_type): Implement latter using
> __cxaabiv1::__cxa_demangle to print demangled type name.
>
> I just hope that __cxa_demangle is portable.
>
> Ok to commit ?
>
> François
>
next prev parent reply other threads:[~2015-05-19 20:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-04 20:32 François Dumont
2015-05-19 20:54 ` François Dumont [this message]
2015-05-20 10:20 ` Jonathan Wakely
2015-05-20 10:38 ` Jonathan Wakely
2015-05-20 19:50 ` François Dumont
2015-05-21 10:37 ` Jonathan Wakely
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