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Rust

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Pre-compiled tree-sitter grammars for 306 programming languages, with on-demand download and caching. Polyglot core that powers every binding in the kreuzberg.dev ecosystem.

What This Package Provides

Parser access — load a tree-sitter language parser by name without wiring individual grammar crates or packages.
Code intelligence primitives — parse trees, functions, classes, imports, exports, symbols, docstrings, diagnostics, and syntax-aware chunks.
Shared cache model — parsers are fetched and cached once, then reused by every call in the process.
Same catalog as every binding — Rust, Python, Node.js, Go, Java, PHP, Ruby, .NET, Elixir, WASM, Dart, Kotlin Android, Swift, Zig, and C FFI use the same grammar set.
Rust crate — canonical API used by the other bindings and by Kreuzberg code intelligence.

Installation

cargo add tree-sitter-language-pack

Quick Start

use tree_sitter_language_pack::{get_language, get_parser};

let mut parser = get_parser("python").expect("language available");
let tree = parser.parse("def hello(): pass", None).unwrap();
println!("{}", tree.root_node().to_sexp());

Features

300+ languages — pre-compiled tree-sitter grammars covering every major programming language and many minor ones.
On-demand download + cache — parsers fetched at first use; subsequent runs hit the local cache.
Code intelligence — extract functions, classes, imports, exports, symbols, docstrings, and diagnostics with one API.
Syntax-aware chunking — semantic chunks for RAG/LLM pipelines.
Polyglot bindings — Rust core with native bindings for Python, TypeScript, Go, Java, C#, Ruby, PHP, Elixir, and WebAssembly via alef.

Documentation

Documentation -- Full docs and API reference
GitHub Repository -- Source, issues, and discussions

Part of Kreuzberg.dev

Kreuzberg — document intelligence: text, tables, metadata from 90+ formats with optional OCR.
Kreuzberg Cloud — managed extraction API with SDKs, dashboards, and observability.
kreuzcrawl — web crawling and scraping with HTML→Markdown and headless-Chrome fallback.
html-to-markdown — fast, lossless HTML→Markdown engine.
liter-llm — universal LLM API client with native bindings for 14 languages and 143 providers.
alef — the polyglot binding generator that produces this README and all per-language bindings.
Discord — community, roadmap, announcements.

Contributing

Contributions are welcome! See CONTRIBUTING.md for guidelines.

Join our Discord community for questions and discussion.

License

MIT -- see LICENSE for details.

tree-sitter-language-pack 1.9.0