statix
pom
statix | pom | |
---|---|---|
3 | 5 | |
502 | 484 | |
- | - | |
4.1 | 5.3 | |
3 months ago | about 2 months ago | |
Rust | Rust | |
MIT License | MIT License |
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statix
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Editor support for the nix language?
As others have mentioned, there are a couple of LSP implementations. There's also statix for basic static analysis, as well as a few formatters, including nixpkgs-fmt and alejandra.
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Chumsky, a parser combinator crate that makes writing error-tolerant parsers with recovery easy and fun!
I use the author's pretty error rendering crate: ariadne, in statix, and it is a delight. Comfy API, loads of customization opts, and very pretty.
- Statix — Lints and Suggestions for the Nix programming language
pom
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Domain Specific Language embedded in Rust
pom
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Analogues of nom crate.
Maybe a parser combinator library is not what you want? One alternative might be writing an expression parser without a library at all: https://matklad.github.io/2020/04/13/simple-but-powerful-pratt-parsing.html (Depending on the grammar you are parsing a Pratt parser might actually be a good fit!) A PEG might also be more suitable for your use case, like pom.
- Explanations and Examples for pom
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Chumsky, a parser combinator crate that makes writing error-tolerant parsers with recovery easy and fun!
I saw the performance comparison against pom, pom is unfortunately quite slow compared to an handwritten parser as it boxes most (all?) parsers so you may want to compare against a handwritten parser, or at least something in the same ballpark (for reference, combine's json benchmark on the same data is about 6x faster with "good errors", when optimized to work on &str-like input it is about 12x faster, nom or a hand written parser may be another 10-20% faster than that, if I remember correctly.) From a brief skim of the code, I don't see anything that would hinder it from at least closing that gap however.
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Whats the best parser generator for rust?
Everyone on this sub seems to be using nom. In my experience I find pom to be intuitive and have to write less code. Maybe it's just me I'm having a hard time understanding nom which has a lot of function calls rather than less.If you compare both the json examples on both projects, the pom example is a lot clearer to read and a lot shorter.
What are some alternatives?
git-hooks.nix - Seamless integration of https://pre-commit.com git hooks with Nix.
nom - Rust parser combinator framework
tao - A statically-typed functional language with generics, typeclasses, sum types, pattern-matching, first-class functions, currying, algebraic effects, associated types, good diagnostics, etc.
pest - The Elegant Parser
rnix-lsp - WIP Language Server for Nix! [maintainer=@aaronjanse]
combine - A parser combinator library for Rust
ariadne - A fancy diagnostics & error reporting crate
rust-peg - Parsing Expression Grammar (PEG) parser generator for Rust
chumsky - Write expressive, high-performance parsers with ease.
lalrpop - LR(1) parser generator for Rust
git-journal - The Git Commit Message and Changelog Generation Framework :book: