gramatika
gram_grep
gramatika | gram_grep | |
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3 | 4 | |
4 | 11 | |
- | - | |
0.0 | 7.1 | |
over 2 years ago | 12 days ago | |
Rust | C++ | |
GNU General Public License v3.0 or later | Boost Software License 1.0 |
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gramatika
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Question about lexer and parser generators in Rust
I wrote a lexer generator. It's pretty limited and poorly architected tbh, but feel free to have a look: https://github.com/dannymcgee/gramatika
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Official /r/rust "Who's Hiring" thread for job-seekers and job-offerers [Rust 1.57]
I'm a huge nerd for programming languages and rendering, and to that end I've been putting together a general-purpose parsing library inspired by syn and using that to power a language server for WGSL.
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Question for experienced Rustaceans
I'm probably in the minority on this one, but I really hate writing verbose, repetitive code, so I freaking love macros. I will frequently use a one-off macro just to make something like a dispatcher function easier to read by cutting down on all the pomp and circumstance. I'm also working on a small crate that makes heavy use of proc macros, which I've already gotten a ton of mileage out of since it allows me to spin up a serviceable lexer with just a few lines of code. A lot of people really dislike macros because the source is hard to read and they're onerous to debug. They're not wrong on either of those points.
gram_grep
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AST-grep(sg) is a CLI tool for code structural search, lint, and rewriting
There is also gram_grep[0]"Search text using a grammar, lexer, or straight regex. Chain searches for greater refinement."
See also parsertl-playground[1] for online edit/test grammars.
[0]https://github.com/BenHanson/gram_grep
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Show HN: Yacc/Lex editor/tester online
I'm building an online yacc/lex (LALR(1)) grammar editor/tester to help develop/debug/document grammars, the main repository is here https://github.com/mingodad/parsertl-playground and the online playground with several non trivial examples is here https://mingodad.github.io/parsertl-playground/playground/ .
Select a grammar/example from "Examples" select box and then click "Parse" to see a parser tree for the source in "Input source" editor.
It's based on https://github.com/BenHanson/gram_grep and https://github.com/BenHanson/lexertl14 .
Any feedback is welcome !
The grammars available so far (with varying state of correctness):
- Ada parser
- Question about lexer and parser generators in Rust
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MSVC Backend Updates in Visual Studio 2019 version 16.10 Preview 2 | C++ Team Blog
Thanks for the tip, but I fear storing the result on the stack will be too much to ask for for big lexers (see https://github.com/BenHanson/gram_grep/blob/c64f8829661f11b38a55b42b37f5051c5eabfaa6/main.cpp#L2301 for example).
What are some alternatives?
openvscode-server - Run upstream VS Code on a remote machine with access through a modern web browser from any device, anywhere.
frozen - a header-only, constexpr alternative to gperf for C++14 users
ClippyCloud - Easy way to upload and share files quickly.
tracy - Frame profiler
qdrant - Qdrant - High-performance, massive-scale Vector Database for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
parsertl14 - C++14 version of parsertl
chumsky - Write expressive, high-performance parsers with ease.
lexertl14 - C++14 version of lexertl
semgrep - Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.
regex - An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.
STL - MSVC's implementation of the C++ Standard Library.