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89 lines
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89 lines
3.5 KiB
Markdown
# This repository is no longer actively maintained. [Spirit.X4](https://github.com/boostorg/spirit_x4) is the successor and is currently under development.
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All pre-X4 components are feature-frozen. We accept only patches that add no features and preserve existing semantics.
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Such patches will be handled by the current maintainers. We are not accepting volunteers as *full* maintainers of legacy versions to avoid community fragmentation. Thank you for your understanding.
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For background information, see:
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- <https://lists.boost.org/archives/list/boost@lists.boost.org/thread/K3EQLEQJHEUBROB6ODUKTZHFP2FDUS2E/?sort=date>
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- <https://github.com/boostorg/spirit/issues/795>
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- <https://github.com/boostorg/spirit/pull/807>
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Spirit
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======
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Spirit is a set of C++ libraries for parsing and output generation implemented as
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Domain Specific Embedded Languages (DSEL) using Expression templates and Template
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Meta-Programming. The Spirit libraries enable a target grammar to be written
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exclusively in C++. Inline grammar specifications can mix freely with other
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C++ code and, thanks to the generative power of C++ templates, are immediately
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executable.
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### Spirit.X3 (3rd generation)
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[Documentation](http://www.boost.org/doc/libs/develop/libs/spirit/doc/x3/html/index.html)
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The newest Spirit shines faster compile times. Currently only a parser framework.
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*WARNING*: C++14 compilers support will be dropped soon.
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Spirit X3 in Boost 1.81 (scheduled to November 2022) will use C++17 features.
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Supported compilers will be:
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* Clang 4 (currently 3.6)
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* GCC 7 (currently 5)
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* VS 2017 v15.8 (currently 2015 U3)
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### Spirit V2 (2nd generation)
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[Documentation](http://www.boost.org/doc/libs/develop/libs/spirit/doc/html/index.html)
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The latest Long Term Support version of Spirit. A Swiss Army knife for data
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manipulation on any kind of input.
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Consists of:
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- [Qi]: Parser framework.
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- [Karma]: Generator framework.
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- [Lex]: Lexical analyzer framework.
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Runs on most C++03 compilers (GCC 4.1, Clang 3.0, VS 2005).
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[Spirit V2]: http://www.boost.org/doc/libs/develop/libs/spirit/doc/html/index.html
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[Qi]: http://www.boost.org/doc/libs/develop/libs/spirit/doc/html/spirit/qi.html
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[Karma]: http://www.boost.org/doc/libs/develop/libs/spirit/doc/html/spirit/karma.html
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[Lex]: http://www.boost.org/doc/libs/develop/libs/spirit/doc/html/spirit/lex.html
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### Spirit.Classic (1st generation)
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[Documentation](http://www.boost.org/doc/libs/develop/libs/spirit/classic/index.html)
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An elderling member of Spirit. It receives only limited maintanance, but
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it is still used even inside Boost by [Boost.Serialization] and [Boost.Wave]
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libraries. It also contains Phoenix V1.
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Spririt.Classic should support even ancient compilers.
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[Boost.Serialization]: http://boost.org/libs/serialization
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[Boost.Wave]: http://boost.org/libs/wave
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## Brief History
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Date | Boost | Commit | Event
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---------- | ----- | -------- | -----------------------------------------------
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2014-03-18 | 1.56 | 8a353328 | Spirit.X3 is added
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2013-12-14 | 1.56 | c0537c82 | Phoenix V2 is retired
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2011-03-28 | 1.47 | 400a764d | [Phoenix V3] support added to Spirit V2
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2009-04-30 | 1.41 | 5963a395 | [Spirit.Repository] is appeared
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2008-04-13 | 1.36 | ffd0cc10 | Spirit V2 (Qi, Karma, Lex, Phoenix V2) is added
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2006-08-23 | 1.35 | 2dc892b4 | Fusion V1 is retired
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2003-01-31 | 1.30 | 81907916 | Spirit is the part of the Boost
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[Phoenix V3]: http://boost.org/libs/phoenix
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[Spirit.Repository]: http://www.boost.org/doc/libs/develop/libs/spirit/doc/html/spirit/repository.html
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