From: Daniel Jacobowitz <drow@false.org>
To: jian shen <vicshen@gmail.com>
Cc: gdb@sourceware.org
Subject: Re: gdb cannot understand some type with STL
Date: Sat, 22 Dec 2007 17:35:00 -0000 [thread overview]
Message-ID: <20071222173507.GA21728@caradoc.them.org> (raw)
In-Reply-To: <8b685e3f0712212124n64194bc7je86bede3a21c3826@mail.gmail.com>
On Sat, Dec 22, 2007 at 01:24:16PM +0800, jian shen wrote:
> testcase 2:
>
> ----- stl.cpp -----
> #include <list>
> #include <map>
> #include <string>
>
> int main()
> {
> std::list<int> l;
> l.push_back(1);
> l.push_back(2);
>
> std::map<std::string, int> m;
> m["a1"] = 1;
> m["a2"] = 2;
> }
> ----- stl.cpp -----
>
> (gdb) whatis std::list<int>
> No symbol "list<int>" in namespace "std".
What does "whatis l" print? I believe this problem is because GDB
does not know about default template parameters.
template<typename _Tp, typename _Alloc = std::allocator<_Tp> >
class list : protected _List_base<_Tp, _Alloc>
It's going to be a std::list<int, std::allocator<int> > or something
like that.
This is fixable, but it would require changes to both GCC and GDB that
no one has worked on yet.
> (gdb) whatis std::list<int>*
> A syntax error in expression, near `'.
This looks like a bug in GDB, in the c-exp.y parser.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2007-12-22 17:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-22 5:24 jian shen
2007-12-22 10:18 ` Eli Zaretskii
2007-12-22 10:35 ` jian shen
2007-12-22 17:35 ` Daniel Jacobowitz [this message]
2007-12-22 17:40 ` Eli Zaretskii
2007-12-22 17:45 ` Daniel Jacobowitz
2007-12-23 2:27 ` jian shen
2008-01-02 17:29 ` Gordon Prieur
2008-01-02 18:04 ` Daniel Jacobowitz
2007-12-23 2:26 ` jian shen
2008-01-03 22:23 Nick Roberts
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