gcc : c++11 : full support : eta?

[Alec Teal]

On 22/01/13 18:00, Andrew Haley wrote:
> On 01/22/2013 05:51 PM, Alec Teal wrote:
>
>> I really just wanted a serious discussion, it failed. I should clarify:
>> I define bitching to be "pointlessly diffusing statements so nothing
>> gets done". Like the error thing "well actually that's a myth from some
>> deep dark place where they used a really old GCC and a new Clang",
>> silly, if GCC is better why is it not said "Clang has useless error
>> reports!"
> OK, OK, let's all take a deep breath and make this a serious discussion,
> then.  It's not too late.
>
>> So how could we (you, I know I'm not ready) remedy this? Start telling
>> people GCC doesn't do this legendary "folding" thing and keeps track of
>> tokens (I read somewhere, I think it was an old paper by Mozilla about
>> Treehydra and Dehydra (now dead) that GCC cannot map things back to
>> lines of source code, then somewhere else that Clang can track stuff
>> though macro-expansions, GCC turns "x-x" to "0" which causes a problem
>> for static analysis - this is a good optimization but it's being done
>> too early).
> Folding is done very early in GCC, in the front ends.  It would be
> possible to nullify fold() so that it didn't do anything, but a few
> places in the compiler require it.
>
>> Have an option where GCC outputs stuff that's verbose and easier for an
>> Ide to parse, I understand a lot of stuff relies on the current way, why
>> not that?
>> Macros are good (if not over-used, there are some VILE ones out
>> there) but debugging macro-ed code is the bane of any programmers'
>> day.
> We know.  The move to C++ will help that.
I meant "out there" not with GCC, I do think macros have a use, a report 
of the form "expanded from: " would be helpful, and some sort of 
callstack-like output?
>> If you are going to bitch in reply at least include some links to things
>> worth reading that are ideally quite long and dirty, if you'd respond
>> seriously, it'd be much welcome.
>>
>> I was honestly hoping for a good "chat" about the pros and cons, what
>> could be done about things, you know interesting stuff, not "
>>
>> Stop swearing and criticising people for responses you don't like.
> Let he who is without sin cast the first stone.
>
> Andrew.
>
>