[LLVMdev] Regular Expression lib support

[Kenneth Uildriks]

On Sun, Aug 23, 2009 at 4:56 PM, Daniel Dunbar<daniel at zuster.org> wrote:
> We would like to have access to some kind of regular expression
> library inside LLVM. For example, we need this to extend the FileCheck
> test case checking tool to support regular expressions.
>
> There are three obvious options:
>  1. Roll our own library. Multiple unnamed individuals may even
> already have implementations lying around! :)
>  2. Use POSIX regcomp facilities. This implies importing some
> implementation of this interface, e.g., Windows. On Linux, BSD, etc.
> we would try to use the platform version if available (and non-buggy).
>
>  3. Import a more heavy weight library such as PCRE, and use it universally.


Personally, I'm a big fan of the Boost libraries.  They've got a regex
library, and a full-blown parser library (which I am using in my
front-end).  It's definitely heavier than POSIX, but it's portable,
well-tested, and loaded with features.


>  - Daniel
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