【Hacker News搬运】为什么我喜欢Rust的标记和解析

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Title: Why I love Rust for tokenising and parsing

为什么我喜欢Rust的标记和解析

Text:

Url: https://xnacly.me/posts/2024/rust-pldev/

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Post by: thunderbong

Comments:

tptacek: So, just to kick this off: I wrote an eBPF disassembler and (half-hearted) emulator in Rust and I also found it a pleasant language to do parsing-type stuff in. But: I think the author cuts against their argument when they manage to necessitate a macro less than 1/6th of the way into their case study. A macro isn't quite code-gen, but it also doesn't quite feel like working idiomatically within the language, either.Again: not throwing shade. I think this is a place where Rust is genuinely quite strong.

tptacek: 所以，首先，我用Rust编写了一个eBPF反汇编器和（半心半意的）模拟器，我也发现它是一种令人愉快的语言来解析类型的东西；第六步进入他们的案例研究。宏不是；不完全是代码生成，但它也没有；我也不太想在语言中习惯性地工作 再次强调：不要投阴影。我认为这是Rust真正强大的地方。

sksxihve: I've found that the logos crate is really nice for writing lexers in rust<a href="https://docs.rs/logos/0.14.2/logos/" rel="nofollow">https://docs.rs/logos/0.14.2/logos/</a>

sksxihve: 我；我发现logos crate非常适合在rust中编写词法分析器<a href=“https:”docs.rs“logos”0.14.2“logo”rel=“nofollow”>https:”&#x2F；docs.rs；徽标；0.14.2℉；徽标</一

jamra: Does anyone have a good EBNF notation for Sqlite? I tried to make a tree-sitter grammar, which produces C code and great Rust bindings for it. But they use some lemon parser. Not sure how to read the grammar from that.

jamra: 有人对Sqlite有一个好的EBNF表示法吗？我试图制作一个树形语法，它可以生成C代码和很棒的Rust绑定。但他们使用了一些柠檬解析器。不知道该怎么读语法。

hu3: Related, I love Rob Pike's talk about lexical Scanning in Go (2011).Educational and elegant approach.<a href="https://www.youtube.com/watch?v=HxaD_trXwRE" rel="nofollow">https://www.youtube.com/watch?v=HxaD_trXwRE</a>

hu3: 相关，我喜欢Rob Pike；我们来谈谈Go中的词汇扫描（2011） 教育和优雅的方法 <a href=“https:”www.youtube.com“观看？v=HxaD_trXwRE”rel=“nofollow”>https:”&#x2F；www.youtube.com；看？v=HxaD_trXwRE</a>