What is the state of the art for creating domain-specific languages (DSLs) with Rust?

• pest

  42 4,365 7.4 Rust

  The Elegant Parser (by pest-parser)

  

I second pest.rs. Using it is fairly intuitive and there's also a live playground on their website which is great for quickly developing and testing your AST (abstract syntax tree) parser for whatever language you're implementing.

• egg

  25 1,233 6.8 Rust

  egg is a flexible, high-performance e-graph library (by egraphs-good)

  

For semantic analyzers, check out egg and egglog. They're custom data structures for representing compiler rewrite rules in a non-destructive way.

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• egglog

  4 335 9.5 Rust

  egraphs + datalog!

  

For semantic analyzers, check out egg and egglog. They're custom data structures for representing compiler rewrite rules in a non-destructive way.

• nom

  85 9,007 6.5 Rust

  Rust parser combinator framework

  

As much as I love nom as well as other parser combinator libraries, regex-based parsers, BNF/EBNF-based parsers, etc. I always end up going back to plain old text-based char-by-char scanners.

• lalrpop

  25 2,873 8.0 Rust

  LR(1) parser generator for Rust

  

lalrpop

• hyperscript

  24 2,589 0.0 HTML

  Create HyperText with JavaScript.

  

In fairness, there's a lot of overlap between embedded DSLs and libraries — a library like Hyperscript for generating HTML in JavaScript is in many ways a DSL, but it's also just a bunch of functions that are easy to put together in a particular way. But this is often good enough!

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