Flex and Bison for Microsoft Windows WinFlexBison

Use this command to install Flex and Bison for Microsoft Windows:

winget install --id=WinFlexBison.win_flex_bison -e

WinFlexBison is a Windows port of Flex (the fast lexical analyser) and GNU Bison (parser generator). Both win_flex and win_bison are based on upstream sources but depend on system libraries only.

WinFlexBison is a Windows port of Flex (the fast lexical analyser) and GNU Bison (parser generator), designed to enable developers on Windows systems to utilize these essential tools seamlessly. The software provides win_flex and win_bison, both based on upstream sources but optimized to depend solely on system libraries, ensuring compatibility without additional dependencies.

Key Features:

System Library Dependency: WinFlexBison relies only on standard system libraries, simplifying installation and reducing potential conflicts.
Stable Releases: Available through GitHub releases, WinFlexBison offers reliable updates and consistent performance, making it a trustworthy choice for developers.

Audience & Benefit: Ideal for developers working on Windows who need tools for building parsers or lexical analyzers. By integrating Flex and Bison into their projects, developers can streamline their workflow and focus on creating robust applications without compatibility concerns.

Installation is straightforward via winget, providing an efficient setup process for users familiar with this package manager.

WinFlexBison - Flex and Bison for Microsoft Windows

WinFlexBison is a Windows port of Flex (the fast lexical analyser) and GNU Bison (parser generator). 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

License

Flex uses a BSD license, GNU Bison is licensed under the GNU General Public License (GPLv3+).
All build scripts in WinFlexBison are distributed under GPLv3+. See COPYING for details.

All documentation, especially those under custom_build_rules/doc, is distributed under the GNU Free Documentation License (FDL 1.3+).

Build status

Bison 3.x (master) and, for compatibility reasons, Bison 2.7 (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 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.

Example flex/bison files

See https://github.com/meyerd/flex-bison-example