gram_grep
parsertl14
| gram_grep | parsertl14 | |
|---|---|---|
| 4 | 2 | |
| 11 | 33 | |
| - | - | |
| 7.1 | 6.9 | |
| 12 days ago | about 1 month ago | |
| C++ | C++ | |
| Boost Software License 1.0 | - |
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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).
parsertl14
What are some alternatives?
frozen - a header-only, constexpr alternative to gperf for C++14 users
lexertl14 - C++14 version of lexertl
tracy - Frame profiler
gramatika - A minimal toolkit for writing parsers with Rust
lalrpop - LR(1) parser generator for Rust
chumsky - Write expressive, high-performance parsers with ease.
PEGTL - Parsing Expression Grammar Template Library
semgrep - Lightweight static analysis for many languages. Find bug variants with patterns that look like source code.
lexy - C++ parsing DSL
STL - MSVC's implementation of the C++ Standard Library.
regex - An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.