traxys/tree-sitter
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feat!: introduce tree-sitter-language crate for grammar crates to depend on

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Co-authored-by: Conrad <conrad@zed.dev>
Co-authored-by: Marshall <marshall@zed.dev>
Co-authored-by: Amaan Qureshi <amaanq12@gmail.com>
This commit is contained in:
Max Brunsfeld 2024-02-23 14:12:58 -08:00 • committed by Amaan Qureshi
parent 04b9eb5700
commit 38137c71b2
9 changed files with 110 additions and 18 deletions
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5
cli/src/generate/templates/cargo.toml
View file

@ -17,7 +17,10 @@ include = ["bindings/rust/*", "grammar.js", "queries/*", "src/*"]
path = "bindings/rust/lib.rs"
[dependencies]
tree-sitter = ">=RUST_BINDING_VERSION"
tree-sitter-language = "0.1"
[dev-dependencies]
tree-sitter = { version = "0.22" }
[build-dependencies]
cc = "1.0.87"

21
cli/src/generate/templates/lib.rs
View file

@ -7,7 +7,10 @@
//! let code = r#"
//! "#;
//! let mut parser = tree_sitter::Parser::new();
//! parser.set_language(&tree_sitter_PARSER_NAME::language()).expect("Error loading CAMEL_PARSER_NAME grammar");
//! let language = tree_sitter_PARSER_NAME::LANGUAGE;
//! parser
//! .set_language(&language.into())
//! .expect("Error loading CAMEL_PARSER_NAME parser");
//! let tree = parser.parse(code, None).unwrap();
//! assert!(!tree.root_node().has_error());
//! ```
@ -17,18 +20,14 @@
//! [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_PARSER_NAME() -> Language;
fn tree_sitter_PARSER_NAME() -> *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_PARSER_NAME() }
}
/// The tree-sitter [`LanguageFn`] for this grammar.
pub const LANGUAGE: LanguageFn = unsafe { LanguageFn::from_raw(tree_sitter_PARSER_NAME) };
/// The content of the [`node-types.json`][] file for this grammar.
///
@ -48,7 +47,7 @@ mod tests {
fn test_can_load_grammar() {
let mut parser = tree_sitter::Parser::new();
parser
.set_language(&super::language())
.expect("Error loading CAMEL_PARSER_NAME grammar");
.set_language(&super::LANGUAGE.into())
.expect("Error loading CAMEL_PARSER_NAME parser");
}
}