| Name | Modified | Size | Downloads / Week |
|---|---|---|---|
| old_versions | 2021-01-06 | ||
| README.txt | 2021-01-06 | 1.5 kB | |
| win_flex_bison3-latest.zip | 2021-01-06 | 1.0 MB | |
| win_flex_bison-2.5.24.zip | 2021-01-06 | 1.0 MB | |
| flex_bison_doc.zip | 2020-10-23 | 1.5 MB | |
| win_flex_bison-2.5.18.zip | 2020-03-04 | 977.6 kB | |
| win_flex_bison-latest.zip | 2018-01-15 | 708.0 kB | |
| win_flex_bison-2.4.12.zip | 2018-01-15 | 708.0 kB | |
| win_flex_custom_build_rules.zip | 2016-09-12 | 4.7 kB | |
| win_bison_custom_build_rules.zip | 2016-09-12 | 4.1 kB | |
| win_flex_bison_custom_build_rules.zip | 2014-12-06 | 6.2 kB | |
| Totals: 11 Items | 6.0 MB | 2,894 |
# 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