diff options
Diffstat (limited to 'bindings/rust')
-rw-r--r-- | bindings/rust/lib.rs | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/bindings/rust/lib.rs b/bindings/rust/lib.rs index d058c81..d932d50 100644 --- a/bindings/rust/lib.rs +++ b/bindings/rust/lib.rs @@ -1,13 +1,18 @@ -//! This crate provides gsp language support for the [tree-sitter][] parsing library. +//! This crate provides Gsp language support for the [tree-sitter][] parsing library. //! //! Typically, you will use the [language][language func] function to add this language to a //! tree-sitter [Parser][], and then use the parser to parse some code: //! //! ``` -//! let code = ""; +//! let code = r#" +//! "#; //! let mut parser = tree_sitter::Parser::new(); -//! parser.set_language(tree_sitter_gsp::language()).expect("Error loading gsp grammar"); +//! let language = tree_sitter_gsp::LANGUAGE; +//! parser +//! .set_language(&language.into()) +//! .expect("Error loading Gsp parser"); //! let tree = parser.parse(code, None).unwrap(); +//! assert!(!tree.root_node().has_error()); //! ``` //! //! [Language]: https://docs.rs/tree-sitter/*/tree_sitter/struct.Language.html @@ -15,30 +20,26 @@ //! [Parser]: https://docs.rs/tree-sitter/*/tree_sitter/struct.Parser.html //! [tree-sitter]: https://tree-sitter.github.io/ -use tree_sitter::Language; +use tree_sitter_language::LanguageFn; extern "C" { - fn tree_sitter_gsp() -> Language; + fn tree_sitter_gsp() -> *const (); } -/// Get the tree-sitter [Language][] for this grammar. -/// -/// [Language]: https://docs.rs/tree-sitter/*/tree_sitter/struct.Language.html -pub fn language() -> Language { - unsafe { tree_sitter_gsp() } -} +/// The tree-sitter [`LanguageFn`] for this grammar. +pub const LANGUAGE: LanguageFn = unsafe { LanguageFn::from_raw(tree_sitter_gsp) }; /// The content of the [`node-types.json`][] file for this grammar. /// /// [`node-types.json`]: https://tree-sitter.github.io/tree-sitter/using-parsers#static-node-types -pub const NODE_TYPES: &'static str = include_str!("../../src/node-types.json"); +pub const NODE_TYPES: &str = include_str!("../../src/node-types.json"); -// Uncomment these to include any queries that this grammar contains +// NOTE: uncomment these to include any queries that this grammar contains: -// pub const HIGHLIGHTS_QUERY: &'static str = include_str!("../../queries/highlights.scm"); -// pub const INJECTIONS_QUERY: &'static str = include_str!("../../queries/injections.scm"); -// pub const LOCALS_QUERY: &'static str = include_str!("../../queries/locals.scm"); -// pub const TAGS_QUERY: &'static str = include_str!("../../queries/tags.scm"); +// pub const HIGHLIGHTS_QUERY: &str = include_str!("../../queries/highlights.scm"); +// pub const INJECTIONS_QUERY: &str = include_str!("../../queries/injections.scm"); +// pub const LOCALS_QUERY: &str = include_str!("../../queries/locals.scm"); +// pub const TAGS_QUERY: &str = include_str!("../../queries/tags.scm"); #[cfg(test)] mod tests { @@ -46,7 +47,7 @@ mod tests { fn test_can_load_grammar() { let mut parser = tree_sitter::Parser::new(); parser - .set_language(super::language()) - .expect("Error loading gsp language"); + .set_language(&super::LANGUAGE.into()) + .expect("Error loading Gsp parser"); } } |