Display content of unicode std::wstring objects

Display content of unicode std::wstring objects

[Fredrik Orderud]

Is there any in-build support for displaying the content of C++ STL unicode 
text-strings in gdb?

In my C++ program I have a lot of std::wstring objects, and I want a 
convenient way to display the content of these unicode strings from gdb 
whenever I break my program. Currently, I just dump the content of the 
memory area manually with "x/20c str_obj._M_dataplus._M_p" (for a 
"std::wstring str_obj" object), but this is inconvenient due to the 
"_M_dataplus._M_p" subfields and results in a very verbose listing. You also 
need to know the string length in advance with this approach.

On my machine I run Fedora linux 9, with gcc/g++ 4.3.0 and gdb 6.8.

Thanks in advance
Fredrik Orderud 

Re: Display content of unicode std::wstring objects

[Paul Pluzhnikov]

On Fri, Aug 15, 2008 at 6:12 AM, Fredrik Orderud
<fredrik.orderud@idi.ntnu.no> wrote:

> Is there any in-build support for displaying the content of C++ STL unicode
> text-strings in gdb?

No, but Python scripting work (happening right now) is supposed to address this.

In the mean time, you may want to try this patch:
http://sourceware.org/ml/gdb-patches/2008-08/msg00167.html

It claims to allow this:

(gdb) p z
(std::wstring) L"This is a wide string."


Cheers,
-- 
Paul Pluzhnikov