[Feedback] Main difficulties encountered with D

[Xavier Bigand]

Le 20/12/2013 00:47, ed a écrit :
> On Thursday, 19 December 2013 at 22:07:52 UTC, Dmitry Olshansky wrote:
>> 20-Dec-2013 01:35, Xavier Bigand пишет:
>>> Hi,
>>>
>>>
>>> It's been a few months since I work on "DQuick" at a rate of a few
>>> minutes or hours from time to time. After working professionally with
>>> Java during a year I was really surprise to see D capable to compete a
>>> such language on productivity and providing much more features than C++.
>>>
>>> But because D and his compiler aren't as mature as c++ compilers, it can
>>> be really hard to debug our code, mainly when searching memory issues,
>>> because generated code by DMD isn't compatible with existing tools
>>> (Valgrind, DrMemory).
>>
>> At least valgrind works just fine for me. If compiled with debug
>> symbols callgrind works quite well, and so do the other tools e.g.
>> massif.
>
> If I compile with -gc I have very little problem debugging my D code.
>
> I regularly use valgrind and except for the occasional issue with
> valgrind's crappy floating point support it works fine.
>
> For general debugging I find GDB handles D more than well enough. There
> are some minor issues, but nothing yet that is a show stopper. Because
> GDB on the terminal is ugly I find Nemiver or QtCreator work fine as
> front-ends, the latter requiring some initial config.
>
> Very rarely GDB will get it so wrong that it won't be able to show the
> value of a variable automatically. When that happens I still have the
> address, type and size of the variable. From that it is then trivial to
> set up a watch expression.
>
> Occasionally when stepping source code GDB will appear step backwards. I
> get this with C++ as well and it has never been an issue for me.

GDB issues aren't blockers like you say, but with valgrind I always have 
floating point issue I don't know how to work around.

Maybe having a lot of initialization step in "static this()" of modules 
can put some tools in difficulties?
DQuick load some dynamic libraries in that way.