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chevrotain

4.1.0
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  • License Apache-2.0

Chevrotain is a high performance fault tolerant javascript parsing DSL for building recursive decent parsers

Package Exports

  • chevrotain
  • chevrotain/lib/chevrotain

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (chevrotain) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

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Chevrotain

Introduction

Chevrotain is a blazing fast and feature rich Parser Building Toolkit for JavaScript. It can be used to build parsers/compilers/interpreters for various use cases ranging from simple configuration files, to full fledged programing languages.

A more in depth description of Chevrotain can be found in this great article on: Parsing in JavaScript: Tools and Libraries.

It is important to note that Chevrotain is NOT a parser generator. It solves the same kind of problems as a parser generator, just without any code generation. Chevrotain Grammars are pure code which can be created/debugged/edited as any other pure code without requiring any new tools or processes.

TLDR

Installation

  • npm: npm install chevrotain
  • Browser: The npm package contains Chevrotain as concatenated and minified files ready for use in a browser. These can also be accessed directly via UNPKG in a script tag.
    • Latest:
      • https://unpkg.com/chevrotain/lib/chevrotain.js
      • https://unpkg.com/chevrotain/lib/chevrotain.min.js
    • Explicit version number:
      • https://unpkg.com/chevrotain@4.1.0/lib/chevrotain.js
      • https://unpkg.com/chevrotain@4.1.0/lib/chevrotain.min.js

Documentation & Resources

Dependencies

There is a single dependency to regexp-to-ast library. This dependency is included in the bundled artifacts, for ease of consumption in browsers.

Compatibility

Chevrotain runs on any modern JavaScript ES5.1 runtime.

  • The CI build runs the tests under:

    • Node.js (6 / 8 / 10).
    • Latest stable: Chrome, FireFox, Safari, IE Edge and IE 11.

  • Uses UMD to work with common module loaders (browser global / amd / commonjs).

Contributions

Contributions are greatly appreciated. See CONTRIBUTING.md for details.

Where used

Some interesting samples: