aoc-runner-derive
rust-peg
aoc-runner-derive | rust-peg | |
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1 | 10 | |
0 | 1,396 | |
- | - | |
0.0 | 3.6 | |
6 months ago | 20 days ago | |
Rust | Rust | |
- | MIT License |
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aoc-runner-derive
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Hey Rustaceans! Got an easy question? Ask here (5/2021)!
I don't think that a way do this is actually guaranteed to work, see Crate local state for procedural macros? Issue #44034. That said there are crates that do this anyway since currently rustc expands macros from top to bottom in source files and doesn't cache the result so the proc macros are always re-run each time the code is compiled. Two crates that rely on this by using global variables in their procedural macro code are: enum_dispatch and aoc-runner (see here).
rust-peg
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nom > regex
And some related parser tools: - https://github.com/kevinmehall/rust-peg - https://github.com/pest-parser/pest - https://github.com/lalrpop/lalrpop
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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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Is there a parsing library (lexer?) which can handle generic tokens?
My peg crate is a parser generator that supports arbitrary token types as input. See https://github.com/kevinmehall/rust-peg/blob/master/tests/run-pass/tokens.rs for an example.
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Hey Rustaceans! Got a question? Ask here! (51/2022)!
The one rust parser-generator I used is PEG
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Hey Rustaceans! Got a question? Ask here! (29/2022)!
The two parser generators that I am aware of are lalrpop and PEG. There both great, and have seen some use by languages that have been written in Rust.
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Domain Specific Language embedded in Rust
rust-peg
- One Letter Programming Languages
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Using Nom - a parser combinator library
I wanted to create a parser for Apertium Stream. In 2014, I used Whittle in Ruby. If this year were 2001, I would use Lex/Yacc. Anyway, this year is 2021. I wanted to create this parser in Rust. I tried to find what is similar to Lex/Yacc. I found Rust-Peg. I found a link to Nom from Rust-Peg's document. My first impression was Nom example is easy to read. At least, its document claimed Nom is fast.
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Hey Rustaceans! Got an easy question? Ask here (5/2021)!
The peg crate has a resolved issue about this.
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Rust is the second most used language for Advent of Code, after Python
I don't really know that much about parsing and grammars, other than what I've learned about regular languages and expressions and context-free languages in a standard Theory of Comp course from my university. I basically just learned peg by reading the Wikipedia article on PEGs, reading the crate documentation to understand the syntax, and then looking at some of the peg examples on their GitHub to understand how it works in practice.
What are some alternatives?
tail - My implementation of the tail tool to (continuously) read the tail end of a file. See https://en.wikipedia.org/wiki/Tail_(Unix)
pest - The Elegant Parser
actix-web - Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.
nom - Rust parser combinator framework
rust-sdl2 - SDL2 bindings for Rust
lalrpop - LR(1) parser generator for Rust
wedge_of_existence - an ascii game set in a modern world
chomp - A fast monadic-style parser combinator designed to work on stable Rust.
dirs-rs - a low-level library that provides config/cache/data paths, following the respective conventions on Linux, macOS and Windows
rust-bison-skeleton - Bison frontend for Rust
rfcs - RFCs for changes to Rust
pom - PEG parser combinators using operator overloading without macros.