[lldb-dev] C++11 in LLDB source code.

[Todd Fiala]

MSVC has a 2013 compiler.  I believe there are some C++ language
improvements in it as well.


On Thu, Feb 13, 2014 at 10:12 AM, Greg Clayton <gclayton at apple.com> wrote:

>
> On Feb 13, 2014, at 8:56 AM, Jean-Daniel Dupas <devlists at shadowlab.org>
> wrote:
>
> > Hello LLDB community,
> >
> > I'm actually working on a thankless task which is to try to review most
> warnings produced by clang and other static code analyzer when almost all
> warnings are enabled in LLDB code base.
> >
> > And I did found a lot of place where latent bug could be fixed by using
> C++11 features, the most notable bugs are the one about member
> initialization which can be solve either by explicitly using compiler
> generated copy constructor and operators (Constructor() = default;) or
> simply by using member initialization in declaration construct.
> >
> > class Foo {
> >
> > private:
> >    int m_flag = 0;
> > };
> >
> > An other big source of latent bugs in LLDB source code are unexpected
> fall though in switch statements.
> > This kind of issue can be spotted and solved by enabling the proper
> warning in clang and annotating expected fall through using the C++11
> attribute [[clang::fallthrough]]
> >
> > So I have a simple question.
> > I see that LLDB already relies on many C++11 constructs (shared_ptr, for
> loop, …), so what are the acceptables C++11 features that can be used in
> LLDB, or to say it another way, what compiler LLDB is expected to support ?
>
> The only limits we need to stick to are making sure we don't break any
> existing buildbots, or the windows MSVC build with the latest MSVC release.
> Some platforms have more complete C++11 support, but we should at least
> shoot for:
>
> - current clang compiler
> - gcc 4.8.2 and later
> - MSVC 2012 and later (I believe this is the latest?)
>
> Greg
>
>
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>



-- 
Todd Fiala | Software Engineer | tfiala at google.com | 650-943-3180
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