logos
hush
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logos | hush | |
---|---|---|
15 | 7 | |
2,627 | 627 | |
- | 0.5% | |
8.3 | 2.9 | |
21 days ago | 8 months ago | |
Rust | Rust | |
Apache License 2.0 | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
logos
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Beating the fastest lexer generator in Rust
This is mighty impressive! I've been trying to get some motivation for the mythical rewrite of the proc macro in Logos, and this might just do it for me :D. I'll have a proper look later today and see if any of your findings have something that can be generalized. Also really surprised to see aarch64 doing better than x86_64 since the latter is what I've been optimizing for!
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Letlang — Roadblocks and how to overcome them - My programming language targeting Rust
Rust is a very nice langage for implementing compilers, and has a nice ecosystem for it (logos, rust-peg, lalrpop, astmaker -- this one is mine --, etc...).
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loxcraft: a compiler, language server, and online playground for the Lox programming language
rust-langdev has a lot of libraries for building compilers in Rust. Perhaps you could use these to make your implementation easier, and revisit it later if you want to build things from scratch. I'd suggest logos for lexing, LALRPOP / chumsky for parsing, and rust-gc for garbage collection.
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Logos 0.13 released
Thanks! For compile times you might find the CLI version that Andrew Hickman contributed useful, it's undocumented still mostly I fear but shouldn't be hard to use, see original PR: https://github.com/maciejhirsz/logos/pull/248
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Should I revisit my choice to use nom?
For my lexer generation purposes, I tend to use https://github.com/maciejhirsz/logos, as it not only generates an easy to use lazy lexer, but the result is also exceptionally fast!
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Position in rowan
Hi, I'm using rowan to create a parser and want to print more useful error messages with position in the text/file. I'm using logos (https://crates.io/crates/logos) to generate the lexer. Is there a way to get the starting and ending positions of a SyntaxToken? If not I thought of adding my own wrapper struct around the SyntaxTokens.
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Hey Rustaceans! Got a question? Ask here (6/2023)!
Is there a way for a lexer created with the logos crate (https://crates.io/crates/logos) to get the starting and ending positions for the tokens?
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Best resources for a rust interpreter?
I wouldn't recommend Logos at this point. This recent bug is quite nasty and seems easy to hit, and the maintainer is unresponsive. Last commit was half a year ago. At this point I consider Logos abandonware, though it would be great if its development continued, or if it were forked.
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Alternatives for "blazingly fast"
logos uses "ridiculously fast".
- Compiler in Rust
hush
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Why should I care wether my shell is POSIX compliant?
If we're detaching from POSIX, why not get more wild? Why not xonsh or something? Also I found this lua inspired shell which could be cool: https://github.com/hush-shell/hush
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Working with JSON in traditional and next-gen shells like Elvish, NGS, Nushell, Oil, PowerShell and even old-school Bash and Windows Command Prompt
Maybe hush (https://github.com/hush-shell/hush) should be included in this list.
- Hush – Unix shell based on the Lua programming language
- Hush - unix shell based on the Lua programming language
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Guide: Hush Shell-Scripting Language
While being extremely small is a worthy goal, I suppose the aim of Hush is to make writing larger shell scripts easier and less error-prone. It's more for the niche of Perl of old than of minimal shells like ash.
For a very limited device, a very limited shell like that in Busybox is sufficient, because it likely does not need large shell scripts, or a lot of interactive work.
Looking at [1], current Hush is under 700k, which is still way smaller than Python or Perl, with much of its expressiveness.
[1]: https://github.com/hush-shell/hush/releases
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Announcing Hush, a modern shell scripting language
Official guide: https://hush-shell.github.io/ Repository: https://github.com/hush-shell/hush
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If you're not using a lexer generator for your compiler, why?
Yes, you can check the code here: https://github.com/gahag/hush
What are some alternatives?
foundation.rust-lang.org - website for Rust Foundation
busybox - BusyBox mirror
schema-registry - Confluent Schema Registry for Kafka
busybox - Docker Official Image packaging for Busybox
book - The Rust Programming Language
hush - hush (a Bourne-style shell) for the GNO multitasking environment on the Apple IIgs
lexgen - A fully-featured lexer generator, implemented as a proc macro
u-boot - "Das U-Boot" Source Tree
sonyflake-rs - 🃏 A distributed unique ID generator inspired by Twitter's Snowflake.
parsegen - An LR parser generator, implemented as a proc macro
phpass - PHPass, the WordPress password hasher, re-implemented in rust
ngs - Next Generation Shell (NGS)