Top 4 Scala parser-combinator Projects

Scala Parser Combinators

0 631 3.6 Scala

simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
parsley

1 140 8.9 Scala

A fast and modern parser combinator library for Scala

Project mention: How do I remove the forward reference error in my parser? (20 lines) | /r/scala | 2023-04-09

Or alternatively my own https://github.com/j-mie6/parsley for a more Haskell-style library - it has a wiki that discusses a lot of the main ideas, including how to deal with Def/Val/lazy val
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feel-scala

1 102 10.0 Scala

FEEL parser and interpreter written in Scala

Project mention: Your views and opinions on Python's rule-engine package | /r/programming | 2023-04-13

- Drools - Available in JVM environments (Java, Scala and similar) - uses FEEL for expression language
scallion

1 51 10.0 Scala

LL(1) parser combinators in Scala (by epfl-lara)

Project mention: Functional abstractions for hand-rolled LR parsers | /r/ProgrammingLanguages | 2023-06-04

The scallion project has an LL(1) parser combinator library that it describes here. It exposes an applicative interface with the addition of a fixpoint combinator. You may be able to do the same for LR.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-06-04.