Welcome to Spirit

Spirit is a set of C++ libraries for parsing and output generation implemented as Domain Specific Embedded Languages (DSEL) using Expression templates and Template Meta-Programming. The Spirit libraries enable a target grammar to be written exclusively in C++. Inline grammar specifications can mix freely with other C++ code and, thanks to the generative power of C++ templates, are immediately executable.

Spirit is part of Boost Libraries, a peer-reviewed, open collaborative development effort.

Jan 12

Karma ‘dramatically faster than boost::format’

By Hartmut Kaiser General, User Experience 5 Comments »

Stephan Menzel wrote today on the Boost developer mailing list (see here):

Lacking boost.log we created or own logging class which is basically an as-simple-as-possible Syslog client. (I like to process and accumulate there). It used to be boost.format to assemble the messages which proved slower than log4cxx. With Spirit 2.1 in 1.41 however we changed to use a Karma message generator for this purpose which improved speed dramatically.

Thanks Stephan! We are happy to hear that!

If you have other success stories while using Spirit, we would love to hear about your experience. Just leave a comment below, we happily will write about it.

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