Re: I want to search my project source code

On Oct 28, 2000, at 9:41 AM, Martin Gainty wrote:

> Perry-
>
> Does cscope support PHP?

I don't think so.  Exuberant tags suppose a lot of languages but it
does not do references (I think) -- just definitions.


>
> Thanks for the link
> M--
> ----- Original Message -----
> From: "Perry Smith" <pedz@easesoftware.com>
> To: "Guy Rouillier" <guyr-ml1@burntmail.com>
> Cc: <pgsql-general@postgresql.org>
> Sent: Sunday, October 28, 2007 10:25 AM
> Subject: Re: [GENERAL] I want to search my project source code
>
>
>> On Oct 28, 2007, at 12:59 AM, Guy Rouillier wrote:
>>
>>> Matthew Wilson wrote:
>>>> I have a lot of code -- millions of lines at this point, written
>>>> over the last 5 years.  Everything is in a bunch of nested folders.
>>>> At least once a week, I want to find some code that uses a few
>>>> modules,
>>>> so I have to launch a find + grep at the top of the tree and then
>>>> wait
>>>> for it to finish.
>>>> I wonder if I could store our source code in a postgresql table and
>>>> then use full text searching to index.  Then I hope I could run a
>>>> query
>>>> where I ask for all files that use modules X, Y, and Z.
>>>
>>> DBMSs are great tools for the right job, but IMO this is not the
>>> right job.  I can't see how a database engine, with all it's
>>> transactional overhead and many other layers, will ever beat a
>>> simple grep performance-wise.  I've used Eclipse for refactoring,
>>> but having done it once, I'm sticking with grep.
>>
>> This is exactly what cscope is good for.
>>
>> http://cscope.sourceforge.net/
>>
>> I've used it since the early 90's.  I do level 3 support for really
>> big companies.  If you are an emacs fan, its hooked in to it as well.
>>
>> You want to use the -q option.  If it is a million lines of code, its
>> going to take a while.  It pseudo-parses the code (some tricky
>> constructs will confuse it) and builds a very simple database file.
>> I think it uses Berkeley's DB file.  After that, finding all the
>> occurrences of foo is a few seconds.
>>
>> If you want to find just definitions (like where is foo defined),
>> then use ctags or etags.  There is exuberant ctags here:
>>
>> http://ctags.sourceforge.net/
>>
>> Perry Smith ( pedz@easesoftware.com )
>> Ease Software, Inc. ( http://www.easesoftware.com )
>>
>> Low cost SATA Disk Systems for IBMs p5, pSeries, and RS/6000 AIX
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>>
>>
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