From mboxrd@z Thu Jan  1 00:00:00 1970
From: francois.berenger@inria.fr (Francois Berenger)
Date: Thu, 04 Dec 2014 13:49:14 +0100
Subject: [Cocci] What is the spatch file for this change and the
 corresponding spatch command line invocation
In-Reply-To: <20141203173449.GX25677@wotan.suse.de>
References: <547F4892.6080405@inria.fr> <20141203173449.GX25677@wotan.suse.de>
Message-ID: <5480584A.30107@inria.fr>
To: cocci@systeme.lip6.fr
List-Id: cocci@systeme.lip6.fr

On 12/03/2014 06:34 PM, Luis R. Rodriguez wrote:
> On Wed, Dec 03, 2014 at 06:29:54PM +0100, Francois Berenger wrote:
>> Hello,
>>
>> I give up trying to write the spatch myself:
>>
>> Before file:
>> ---
>> int i;
>>
>> for ( ; ; ++i ) {
>>    if (1) {
>>      continue;
>>    }
>> }
>> ---
>>
>> After file:
>> ---
>> int i;
>>
>> for ( ; ; ) {
>>    if (1) {
>>      ++i;
>>      continue;
>>    }
>>    ++i;
>> }
>> ---
>>
>> All my trials don't work, not any change in the file appears
>> if I try --in-place and -o fails because
>> "-o can not be applied because there are no modified files"
>
> Can you take the hands on tutorial before expecting folks to
> write rules for you?
>
> https://www.youtube.com/watch?v=buZrNd6XkEw

If I really need to invest two hours before being able to use coccinelle 
productively, that would be a serious entry barrier.

And probably not just for me: for any potential new user of
coccinelle.