Re: std::vector<boost::xpressive::sregex> fails to compile using gcc
On Jan 22, 5:41 am, Christophe Bourez <bou...@gmail.com> wrote:
On 22 jan, 14:38, Jeff Flinn <TriumphSprint2...@hotmail.com> wrote:
flewp...@gmail.com wrote:
Hi
I'm trying to use a vector of Boost Xpressive sregex objects. VS2005
compiles my code successfully, but gcc 3.4 and 4.1 fail with:
<path>/include/c++/3.4.5/bits/stl_construct.h: In function `void
std::__destroy_aux(_ForwardIterator, _ForwardIterator, __false_type)
[with _ForwardIterator = boost::xpressive::sregex*]':
<path>/include/c++/3.4.5/bits/stl_construct.h:152: instantiated f=
rom
`void std::_Destroy(_ForwardIterator, _ForwardIterator) [with
_ForwardIterator = boost::xpressive::sregex*]'
<path>/include/c++/3.4.5/bits/stl_vector.h:256: instantiated from
`std::vector<_Tp, _Alloc>::~vector() [with _Tp =
boost::xpressive::sregex, _Alloc =
std::allocator<boost::xpressive::sregex>]'
..\test.cpp:9: instantiated from here
<path>/include/c++/3.4.5/bits/stl_construct.h:120: error: no matching
function for call to `_Destroy(const
boost::proto::exprns_::expr<boost::proto::tag::address_of,
boost::proto::argsns_::list1<boost::xpressive::basic_regex<__gnu_cxx:=
:__normal_iterator<const
char*, std::basic_string<char, std::char_traits<char>,
std::allocator<char> > > >&>, 1l>)'
The code to generate this is:
#include <vector>
#include <boost/xpressive/xpressive_dynamic.hpp>
using namespace std;
using namespace boost::xpressive;
int main(int argc, char* argv[])
{
vector<sregex> vec;
return 0;
}
My guess is that sregex is an incomplete type in this context, and IIRC=
,
std::vector requires complete type for instantiation. Did you mean to
include xpressive_dynamic.hpp? sregex probably is only forward declared
with this include. Did you mean to include xpressive_static.hpp?
Jeff
Hi Jeff,
In my test, I did
#include <boost/xpressive/xpressive.hpp> which includes both dynamic
and static.
Christophe
Thanks for the responses. I'll look at my code to see whether a list<>
will offer the performance I need in this case. I did cross-post to
gnu.g++.bug but haven't got any response - I'll post on the Boost list
aswell.
Many Thanks
Paul
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