From cde4f74ed9dffa1415d9021c343eb599e8866b4d Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Sat, 14 Sep 2024 18:10:53 +0200
Subject: Update the grammar a bit

---
 bindings/rust/lib.rs | 39 ++++++++++++++++++++-------------------
 1 file changed, 20 insertions(+), 19 deletions(-)

(limited to 'bindings/rust')

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");
     }
 }
-- 
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