tree-sitter-r

An R grammar for tree-sitter.

Rust bindings

This grammar is available as a Rust crate on crates.io.

References

• The R Draft Spec
• gram.y

lib.rs:

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

Typically, you will use the language function 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_r::LANGUAGE;
parser
    .set_language(&language.into())
    .expect("Error loading R parser");
let tree = parser.parse(code, None).unwrap();
assert!(!tree.root_node().has_error());