gram_grep
ssr.nvim
gram_grep | ssr.nvim | |
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4 | 7 | |
11 | 857 | |
- | - | |
7.1 | 4.9 | |
13 days ago | 7 days ago | |
C++ | Lua | |
Boost Software License 1.0 | MIT License |
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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).
ssr.nvim
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AST-grep(sg) is a CLI tool for code structural search, lint, and rewriting
There is also a neovim plugin doing structural search/replace, also based on treesitter: https://github.com/cshuaimin/ssr.nvim
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telescope-sg: a new way to do structural search in neovim
This is not a totally new idea. JetBrains has a well-known article to introduce Structural Search and Replace and its usage in IDEs. Unsurprisingly, NeoVim community also has a plugin called ssr.nvim. But telescope-sg integrates the power of ast-grep's structural search with our beloved fuzzy finder telescope.nvim. That's the merit I think worth a Reddit post: everything will work like Luna-watching NeoVimmers are used to!
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Blog Post: Data Oriented Parallel Value Interner
Level 1, syntactic search and replace. The user specifies input pattern as Zig syntax with some placeholders and the desired output likewise. The compiler in parallel matches all source files and does the transformation where there is syntactic match. These days, I think this should be pretty universally available via tree sitter (https://github.com/cshuaimin/ssr.nvim) ? Still totally worth it to have first-class support.
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swap words according to pattern
Checkout ssr.nvim https://github.com/cshuaimin/ssr.nvim
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New Plugin Preview! Treesitter Node Action
PS: The video in the post (with Ruby's do vs {}) -- that I watched before I read what the plugin actually does -- reminded me of the structural search-and-replace plugin someone presented a while ago on this subreddit.
- Cshuaimin/ssr.nvim: Treesitter based structural search and replace plugin for N
- Structural search and replace
What are some alternatives?
frozen - a header-only, constexpr alternative to gperf for C++14 users
ast-grep - ⚡A CLI tool for code structural search, lint and rewriting. Written in Rust
tracy - Frame profiler
treesj - Neovim plugin for splitting/joining blocks of code
gramatika - A minimal toolkit for writing parsers with Rust
architext.nvim - :rocket: Structural editing powered by treesitter
parsertl14 - C++14 version of parsertl
nvim-trevJ.lua - Nvim-plugin for doing the opposite of join-line (J) of arguments, powered by treesitter
chumsky - Write expressive, high-performance parsers with ease.
syntax-searcher - Language-independent command-line utility for syntax-aware pattern matching.
semgrep - Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.
transpose-words - Swap two words as M-t (transpose-words) in Emacs or bash.