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Re: [cdt-dev] pin and clone feature in platform

I think it may be better to move the detailed discussion to the bug.  So I posted a reply to this thread at

The only thing new over my last email, is that I think we could fairly easily add an API to support the legacy CDT pin mechanism side-by side with the breadcrumb (and possibly others).


On 01/16/2013 01:30 PM, Chuong, Patrick wrote:



There is still error in the memory browser plugin.xml, but I excluded it from the patch.


I have spent some times testing the new Pin&Clone feature. Below are my comments.


Variables view

-          If the view is small, 1/3 of my screen width, I can’t quickly visualize the process or thread in the view, only the stack is visible. I have to hover the mouse over the breadcrumb view to see the tooltip, this makes it difficult to find out the process or thread.

-          The breadcrumb drop down doesn’t follows the breadcrumb view when the view toolbar shift.

-          When the view is pinned, selecting the stackframe doesn’t update the view. I guess this is due to the view is pinned to stackframe, it is different than the current CDT implementation. I can no longer pin to a thread (Core) and have the Variables view show different variables for different stackframe for the same thread.

-          Restarting the workbench and relaunch the debug sessions, the pinned views are blank. At first, I didn’t realize that I need to reselect the debug context in the breadcrumb view to repopulate the view.

-          When cloning a view, it uses the current view’s pinned debug context by default. I have to unpin it and re-pin to attach it to the current debug context, or search the debug context in the breadcrumb view.

-          When switch the debug context, I find it much faster to use the current debug context in the Debug view. So, unpin the view and re-pin. Most of the time, you are working with the debug view, and you want to pin it the current debug context. I find myself not using the breadcrumb view to switch between debug context.

-          When the view is at the bottom of the workbench window, you can’t select the debug context that is below the screen. There is no scroll bar for the breadcrumb view.


Registers view

-          For our debugger, registers are global and it doesn’t required stackframe. Some other debugger might have register per stackframe. It doesn’t make sense for our debugger to show the stackframe in the breadcrumb view.


Disassembly view and Memory Browser

-          There isn’t anything that I can test at the moment, but how does the pin feature work on these two views? It don’t make sense to be able to pin to a stackframe, does it?



How does the Graphical debug view work with the new Pin&Clone feature? I don’t have it setup to test it with the new Pin&Clone feature.


Can we make the platform Pin&Clone feature optional, where you can hide it through plugin customizing ini file? By default CDT will use the new Pin&Clone feature, but keep the existing implementation and remove the action contributions from the plugin.xml file. Vendor can enable existing CDT Pin&Clone feature through their own plugin.xml?


I’ll do more testing when we have the Disassembly view and the Memory Browser working.







From: cdt-dev-bounces@xxxxxxxxxxx [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Pawel Piech
Sent: Tuesday, January 15, 2013 6:20 PM
To: CDT General developers list.
Subject: Re: [cdt-dev] pin and clone feature in platform


Thanks Patrick, I posted an updated patch to

On 01/15/2013 01:05 PM, Chuong, Patrick wrote:

Hi Pawel,


I tried applying the CDT patch and has conflicts. I am using the latest CDT and the platform debug side branch. Is there a specific version of CDT that I should be using?




From: cdt-dev-bounces@xxxxxxxxxxx [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Pawel Piech
Sent: Tuesday, January 15, 2013 12:55 PM
To: CDT General developers list.
Subject: [cdt-dev] pin and clone feature in platform


Hi All,
As mentioned on the multi-core call this morning.  I'm asking for help from CDT to validate the pin and clone feature that I'm working on for platform (bug 145635).  This version of pin and clone feature (and there have been a few) adds a breadcrumb to the pinned view and hopefully makes the whole workflow more usable. 

I need your help to validate this feature so that I can push it in for Kepler M5 at the end of this month.

To try it out, clone the platform debug repo and check out the ppiech/Bug145635 branch.  Import the org.eclipse.debug.ui plugin into your workspace and finally apply a CDT patch from bug 398012.


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