Re: Enforcing coding standards using vim

On Sunday, October 21, 2012 9:54:06 AM UTC-5, Arindam Mukherjee wrote:
> On Sun, Oct 21, 2012 at 5:59 PM, John Evans <john@evanswebdesign.co.uk> wrote:
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> > On Saturday, October 20, 2012 7:05:41 PM UTC+1, Arindam Mukherjee wrote:
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> >> Hi,
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> >>
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> >>
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> >>
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> >> Is there a way to enforce certain coding standards for C or C++ code,
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> >>
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> >> beyond indentation (for which I found google.vim). Stuff like:
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> >>
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> >>
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> >>
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> >> 1. Always put a single space after an if, while, for, etc and the
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> >>
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> >> following left-parenthesis.
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> >>
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> >> 2. Always put spaces around operators.
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> >>
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> >>
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> >>
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> >> There could be more.
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> >>
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> >>
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> >>
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> >> I tried writing a set of search replace strings and mapping them to a
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> >>
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> >> single key-sequence. However, I'm having difficulty distinguishing
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> >>
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> >> between content that's inside a double-quoted string and outside it.
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> >>
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> >>
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> >>
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> >> Thanks,
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> >>
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> >> Arindam
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> >
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> >
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> > Wierdly I am just in the process of starting a script that does this sort of thing.
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> >
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> > https://github.com/evanswebdesign/vim_tidy_code
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> >
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> > It is in the very very early stages and at the minute I'm just concentrating on PHP. I'm basically going through all my code in all my projects to find things that are wrong that I can use the script to correct.
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> >
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> > I've only been using vim for a year of so and git even less than that so I'm still learning various things.
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> >
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> > I've not posted it in to the scripts site as yet because it's in such an infant stage.
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> > John
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> >
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>
>
> Thanks John. It should be good to follow your work. Perhaps looking at
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> your code would give me some clue as to what I could do for C/C++.
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> Yesterday I also found a free package called Artistic Style
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> (astyle.sourceforge.net) which does a decent job as a code-formatter.
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> However the utility of something like vim_tidy_code would still
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> remain.
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>

I was going to say that Artistic Style looked like something that would be good to use in your 'equalprg' or 'formatprg' option, but then I found that Artistic Style does not yet support getting text from stdin or writing to stdout:

http://sourceforge.net/tracker/index.php?func=detail&aid=3017627&group_id=2319&atid=102319

So you'd probably need to wrap it in a function called from formatexpr, to write text out to a temp file and read it back in when done. Then you can use gq to format stuff (gggqG to format the entire buffer). I think you can also get automatic formatting with the 'formatoptions' option this way.

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