[cfe-dev] Question about Clang Rewriter and white space

[Jonas Toth via cfe-dev]

Hi Andrew,


that at least one possible way :)


clang-tidy has a '-format-style' option that will format code after
fixing it. You might have a look into that for your tool as well.


All the Best, Jonas


Am 13.12.2017 um 11:21 schrieb Andrew Gozillon:
>
> Hi Jonas,
>
>
> Thank you very much, I was wondering if that was the right way to go
> about it. 
>
>
> Best Regards,
>
> Andrew
>
>
> ------------------------------------------------------------------------
> *From:* Jonas Toth <jonas.toth at gmail.com>
> *Sent:* 13 December 2017 08:03:43
> *To:* Andrew Gozillon
> *Cc:* via cfe-dev
> *Subject:* Re: [cfe-dev] Question about Clang Rewriter and white space
>  
> Hi Andrew,
>
> white space is a job for clang-format. You can do your rewriting and
> apply it afterwards to get nice looking code.
>
> Am 13.12.2017 6:32 vorm. schrieb "Andrew Gozillon via cfe-dev"
> <cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>>:
>
>     Hi,
>
>
>     I am currently playing around with a Clang Libtool and I was
>     wondering if there was a way to make the Clang Rewriter remove
>     white space or if there is another utility class that can do this?
>     For example I have an arbitrary set of template parameters:
>
>
>     template <typename X, typename Y>
>
>
>     And I wish to remove the first template parameter using the
>     Rewriter in this case to modify the source code. To do this I
>     remove the typename X and the comma. However, the result ends up like:
>
>
>     template < typename Y>
>
>
>     Which contains some unsightly white space! This persists even if I
>     increase the SourceRange to just before the t of typename Y. So it
>     seems to be ignoring the space.
>
>
>     So in essence is there a way to make the Rewriter consider white
>     space for removal or is there an alternative tool or method (like
>     using a function of Clangs AST) to avoid this? At the moment I
>     work around this by injecting an arbitrary character in the empty
>     space and then I delete it. Which works, but doesn't seem like
>     the ideal solution. 
>
>
>     Sorry if this is a silly question and thank you very much for
>     everyone's time. 
>
>
>     Best Regards,
>
>     Andrew  
>
>
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