Several years ago I did a take-home interview which asked me to write a TFTP server in Go. The job wasn't the right fit for me, but I enjoyed the assignment. Lately, in my spare time, I've been tinkering with a Rust implementation. Here's what I've done to parse the protocol. Caveat LectorIt's natural to write a technical blog post like this in a somewhat authoritative tone. However, I am not an a
nom 7.0 release: fast parser combinators, now without macros! And the new nom-bufreader! I'm happy to announce the release of nom 7.0! This is mostly a cleanup release: the BitSlice input type was moved to the nom-bitvec crate, and regex parsers to the nom-regex crate. This will fix build issues that have crept up this past months. Macro combinators, that were used since the beginning of nom, are
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Writing parsers like it is 2017 Pierre Chifflier Agence Nationale de la Sécurité des Systèmes d’Information Geoffroy Couprie Clever Cloud Abstract—Despite being known since a long time, memory violations are still a very important cause of security problems in low-level programming languages containing data parsers. We address this problem by proposing a pragmatic solution to fix not only bugs, b
はじめに 使い方を学ぶのに、プロジェクトトップページの説明 と "Introduction to nom: a parsing framework written in Rust" という英語記事が参考になりました。 ここでは上記英語記事に倣って Hello, world! から始めつつ、簡単な計算機の例を解説します。 執筆時点では Rust は 1.13 で、nom は 1.2.4 です。 nom では楽に記述できるようにするためにマクロが多用されており、ソースコードを読むことでマクロの勉強になります。Rust のマクロの記述方法については「Rustのマクロを覚える」という記事を書きましたので参考にしてください。 特徴 lex & yacc (flex & bison) などと違い、書式ファイルを別に用意することなく、Rust のソースコードの中にルールを記述してパーサ関数を生成します。
Nearly one year ago, on November 15th 2015, I released the 1.0 version of nom, the fast parser combinators library I wrote in Rust. A lot happened around that project, and I have been really happy to interact with nom users around the world. TL;DR: it’s new nom day! The 2.0 release is here! Read the changelog. Follow the upgrade documentation if it breaks stuff. Interesting usage I wouldn’t be abl
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