Awesome Pest. The Elegant Parser

A curated collection of resources and projects focused on Pest. The Elegant Parser.

Contents

• Resources
• Projects
• Tooling

Resources

• Book - The recommended way to start parsing with pest is to read this official book.
• API reference on docs.rs
• fiddle editor on pest.rs - Play with grammars and share them on the official website (and format them!).
• Gitter
• Discord
• GitHub Discussions

Projects

Here are some example projects using pest:

• pest_meta - The pest itself is bootstrapped using pest.
• AshPaper - Rust Inpterpreter for Esopo language AshPaper conceived by William Hicks.
• cicada - An old-school bash-like Unix shell written in Rust.
• elastic-rs - Convert bool expressions to Elasticsearch DSL in Rust.
• handlebars-rust - Rust templating with Handlebars.
• hexdino - A hex editor with vim like keybindings written in Rust.
• insta - A snapshot testing library for rust.
• jql - A JSON Query Language CLI tool.
• json5-rs - A Rust JSON5 serializer and deserializer which speaks Serde.
• mt940 - A MT940 parser in Rust.
• py_literal - Rust crate for parsing/formatting Python literals.
• rouler - An easy to use dice rolling library for Rust.
• RuSh - RuSh aims to be a bash compatible shell with candies, written in Rust.
• rs_pbrt - Rust crate to implement a counterpart to the PBRT book’s (3rd edition) C++ code.
• stache - A Mustache template compiler.
• tera - A template engine for Rust based on Jinja2/Django.
• ZoKrates - A toolbox for zkSNARKs on Ethereum.
• Vector - A high-performance observability data pipeline.
• AutoCorrect - A linter and formatter to help you to improve copywriting, correct spaces, words, and punctuations between CJK (Chinese, Japanese, Korean).
• yaml-peg - PEG parser for YAML written in Rust.
• qubit - A handy calculator, based on Rust and WebAssembly.
• caith - A dice roller crate.
• Melody - Melody is a language that compiles to regular expressions and aims to be more easily readable and maintainable.
• PTA-Parser - A Plain Text Accounting parser built in Rust for Beancount, Ledger, and other PTA formats.
• Keadex Mina - Open Source, serverless IDE to code with C4-PlantUML and organize at a scale C4 model diagrams.
• Liquid Grammar - Generate Pairs and/or Rules for Shopify Liquid (hash-tags not-sponsored or affiliated) for use in consuming crates
• ws2markdown - Converts WordStar documents into Markdown files.
• TypeQL Rust - TypeDB’s query language, written in Pest
• Woxi - Interpreter and computer algebra system for a subset of the Wolfram Language.
• Amble - Parser (text adventure) game development platform (uses Pest both for parsing player input and for the DSL used in world creation).

Tooling

IDE Support

• pest IDE tools - A main repository with LSP server and VSCode extension.
• VSCode Extension
• IntelliJ IDEA Plugin
• pest.vim
• pest-fmt - It can help to format pest grammars.
• pest web debugger - Try it online.

Boilerplate reduction and testing

• pest-ast - It can help to reduce boilerplate when converting pest parse trees to abstract syntax trees.
• pest_consume - This crate can help with the parse tree traversing boilerplate.
• pest-test - It is a testing framework for pest grammars.
• pest_ascii_tree - Output Pairs in a tree on the console

CLI Debugger

• pest_debugger - It is a crate for debugging pest grammars. It can be used as a CLI tool or as a library. See instructions for using the CLI debugger.