[Ironpython-users] Options for debugger for DLR languages on Mono
s.j.dower at gmail.com
Thu Sep 22 12:27:00 CEST 2011
Dino will know better than I do, but most if not all the C++ code in
PTVS is for debugging, but only for attaching to running CPython
processes. Otherwise, the debugger is largely based around a
'settrace' script and a C# debug engine communicating through sockets
- nothing to do with the DLR.
The DLR debugger is still in there though, but I have no idea how easy
it is to separate the two. You may want to look at the old IronPython
since they won't have any of the CPython support, though there are
bugs that were fixed in PTVS since IPyTools were last updated.
On Wed, Sep 21, 2011 at 13:30, Dave Wald <davew252 at tx.rr.com> wrote:
> First off, congrats on the Calico project. Seriously cool. I wish I was one
> of your students just starting out.
> These kids today... jeez.
> Anyway, if I was gonna tackle that project, first thing I would do is
> download the source code for PyTools for Visual Studio (it does CLR/DLR and
> and study it til I puked.
> Secondly, I would do the same with MonoDevelop, and do the old
> compare-and-contrast drill.
> Write myself a white-paper, as it were. Profusely annotated and
> Visio-diagrammed unto death.
> And then outline what I could re-use as is and where I needed to do major
> (Or get the students to do it... ;-) )
> PyTools is written in C# mostly, looks like, with a sprinkling of C++/unsafe
> native code, but not in the debuggers. They look like straight cs.
> I have no idea what MonoDevelop looks like under the hood.
> But between the two, I would expect to be able to get a pretty good idea
> what could be done without re-inventing the world.
> That's my two cents...
> On 9/19/2011 8:09 AM, Doug Blank wrote:
>> IronPython users,
>> We have a fairly robust editor/shell written in IronPython, using
>> Gtk#, running under cross-platform Mono with abilities to switch
>> between many languages (including Python, Ruby, Scheme, Lua, FSharp,
>> CSharp, Boo, and a new visual Scratch-based language called Jigsaw.
>> Although not all are DLR-based.) .
>> What would be the best option for creating an interactive debugger for
>> the DLR languages on Mono? We would want to be able to set
>> break-points, single step, and inspect local variables. Ideally, this
>> would be a generic, language-neutral API, but if we have to do one for
>> each language, that might work too. Things we've looked at:
>> a) Seo's FePy Mono Profiler, but that seems too low-level, and
>> requires C code for each platform.
>> b) Microsoft.Scripting.Debugging , but will that work under Mono?
>> c) sys.settrace(), but that would be Python-specific, and can't
>> single-step (?)
>> Are there other issues/options to consider? Please feel free to point
>> me towards useful resources.
>>  - http://calicoproject.org/
>>  - http://fepy.blogspot.com/2007/06/pyprof-progresses.html
>>  - http://devhawk.net/2009/07/08/microsoft-scripting-debugging/
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