ast-grep
Installation
SKILL.md
ast-grep
Fast and user-friendly tool for large-scale code searching, linting, and rewriting using AST patterns.
Overview
ast-grep (sg) is a CLI tool that searches code based on Abstract Syntax Tree patterns, similar to syntax-aware grep/sed. It supports multiple languages and can perform automated code refactoring.
- Fast - Written in Rust, processes code quickly
- Polyglot - Supports JavaScript, TypeScript, Python, Go, Rust, Java, C, C++, and more
- Structural - Matches code by AST patterns, not regex
- Rewrite - Automated code refactoring with metavariables