#tree-sitter #parser

tree-sitter-erlang

erlang grammar for the tree-sitter parsing library

9 breaking releases

0.9.0 Oct 21, 2024
0.7.0 Jul 15, 2024
0.5.0 Mar 18, 2024
0.4.0 Dec 15, 2023
0.0.1 Oct 20, 2022

#495 in Parser implementations

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1,781 downloads per month
Used in utils-tree-sitter

MIT license

1.5MB
57K SLoC

C 55K SLoC // 0.0% comments JavaScript 1K SLoC // 0.0% comments Scheme 138 SLoC // 0.3% comments Rust 30 SLoC // 0.2% comments

Tree Sitter Erlang

This represents tree-sitter grammar used for the Erlang language in the ELP project.

It started as a direct clone of https://github.com/AbstractMachinesLab/tree-sitter-erlang at 7b436e1ca50f0002f6765a9a2a00f6156b2cc881, but was later heavily modified for completeness.

Usage

Install the required toolchain with

make deps

Edit the grammar.js file and re-generate the code with:

make gen

Useful test command, parses foo.erl and opens a browser window to show the process, with pretty pictures of the generated AST.

npm run parse -- --debug-graph testdata/foo.erl

License

tree-sitter-erlang is Apache licensed.


lib.rs:

This crate provides Erlang language support for the tree-sitter parsing library.

Typically, you will use the [LANGUAGE][] constant to add this language to a tree-sitter Parser, and then use the parser to parse some code:

let code = r#"
"#;
let mut parser = tree_sitter::Parser::new();
let language = tree_sitter_erlang::LANGUAGE;
parser
    .set_language(&language.into())
    .expect("Error loading Erlang parser");
let tree = parser.parse(code, None).unwrap();
assert!(!tree.root_node().has_error());

Dependencies

~225KB