Re: [cdt-dev] Mozilla now has built-in support for CDT project generatio

["Schorn, Markus" <Markus.Schorn@xxxxxxxxxxxxx>]

Note, that there is an official API to postpone the indexer for a project:
IIndexManager.addIndexerSetupParticipant(...)
Markus.

-----Original Message-----
From: cdt-dev-bounces@xxxxxxxxxxx [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Benoit Girard
Sent: Fri, 24. 10. 2014 19:24
To: elaskavaia.cdt@xxxxxxxxx; CDT General developers list.
Subject: Re: [cdt-dev] Mozilla now has built-in support for CDT project generation

Here's how it's done:
http://mxr.mozilla.org/mozilla-central/source/python/mozbuild/mozbuild/backend/cpp_eclipse.py#125

I disable the indexer by writing to
'.settings/org.eclipse.cdt.core.prefs', I import the project using 'org.eclipse.cdt.managedbuilder.core.headlessbuild' and restore the indexer.

If we see breakage from time to time I'll contribute a patch. I'm hoping to get the indexer closer to 100% first.

On Fri, Oct 24, 2014 at 12:06 PM, Alena Laskavaia <elaskavaia.cdt@xxxxxxxxx> wrote:
> Are you calling cdt command line application to import the project? 
> There is a way to hold off indexer before project build is complete, 
> but it is java programmatic API. But if you want to contribute to CDT 
> it may be easier to do what you want from CDT and just add extra 
> arguments to existing application (command line entry to CDT)
>
> On Fri, Oct 24, 2014 at 11:54 AM, Benoit Girard <bgirard@xxxxxxxxxxx> wrote:
>>
>> Sorry if this doesn't pertain directly to cdt-dev. I was told this 
>> list might be interested in knowing this since I heard the CDT is 
>> tested against mozilla-central from time to time.
>>
>> This week the last piece of the CDT project generation was merged in 
>> the mozilla repo. This means that you can generate a project for 
>> gecko and launch eclipse using only the following commands:
>> hg pull https://hg.mozilla.org/mozilla-central
>> ./mach ide eclipse
>>
>> This gives an 90-95% working indexer. Most of the problems are 
>> because our project generation is incomplete and a few issues is the 
>> indexer doesn't handle the fancy (i.e. hacky) #include tricks we use.
>>
>> Writing the project generator took me about 10-15 hours but it feels 
>> very hacky and fragile. My process was modifying options through the 
>> CDT and watching diffs to the setting/XML files. I wish there was a 
>> better way generate and import build settings. The most challenging 
>> part was automating the import a project to the workspace without 
>> indexing it. The generator is here:
>>
>> http://mxr.mozilla.org/mozilla-central/source/python/mozbuild/mozbuil
>> d/backend/cpp_eclipse.py
>>
>> If anyone has any suggestions from the CDT side for improving this or 
>> making this more robust, we would be interested to hear.
>>
>> - Benoit
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>
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