# WinFlexBison - Flex and Bison for Microsoft Windows WinFlexBison is a Windows port of [Flex (the fast lexical analyser)](https://github.com/westes/flex/) and [GNU Bison (parser generator)](https://www.gnu.org/software/bison/). Both win_flex and win_bison are based on upstream sources but depend on system libraries only. **NOTE**: * 2.4.x versions include GNU Bison version 2.7 * 2.5.x versions include GNU Bison version 3.x.x ## Build status Bison 3.x (master) [](https://ci.appveyor.com/project/lexxmark/winflexbison/branch/master) and, for compatibility reasons, Bison 2.7 (bison2.7) [](https://ci.appveyor.com/project/lexxmark/winflexbison/branch/bison2.7) ## Downloads https://github.com/lexxmark/winflexbison/releases provides stable versions. To test non-released development versions see the artifacts provided by CI under "Build status". ## Changelog The release page includes the full Changelog but you may also see the [changelog.md](changelog.md) file. ## Build requirements * Visual Studio 2017 or newer * optional: CMake (when building with CMake) ## HowTo You may use win_flex and win_bison directly on the command line or [use them via CustomBuildRules in VisualStudio](custom_build_rules/README.md). ## Example flex/bison files See https://github.com/meyerd/flex-bison-example
Win flex-bison Files
Win flex-bison is a port Flex & Bison tools to the Windows platform
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