diff options
Diffstat (limited to 'bindings/rust')
| -rw-r--r-- | bindings/rust/build.rs | 40 | ||||
| -rw-r--r-- | bindings/rust/lib.rs | 52 | 
2 files changed, 92 insertions, 0 deletions
diff --git a/bindings/rust/build.rs b/bindings/rust/build.rs new file mode 100644 index 0000000..c6061f0 --- /dev/null +++ b/bindings/rust/build.rs @@ -0,0 +1,40 @@ +fn main() { +    let src_dir = std::path::Path::new("src"); + +    let mut c_config = cc::Build::new(); +    c_config.include(&src_dir); +    c_config +        .flag_if_supported("-Wno-unused-parameter") +        .flag_if_supported("-Wno-unused-but-set-variable") +        .flag_if_supported("-Wno-trigraphs"); +    let parser_path = src_dir.join("parser.c"); +    c_config.file(&parser_path); + +    // If your language uses an external scanner written in C, +    // then include this block of code: + +    /* +    let scanner_path = src_dir.join("scanner.c"); +    c_config.file(&scanner_path); +    println!("cargo:rerun-if-changed={}", scanner_path.to_str().unwrap()); +    */ + +    c_config.compile("parser"); +    println!("cargo:rerun-if-changed={}", parser_path.to_str().unwrap()); + +    // If your language uses an external scanner written in C++, +    // then include this block of code: + +    /* +    let mut cpp_config = cc::Build::new(); +    cpp_config.cpp(true); +    cpp_config.include(&src_dir); +    cpp_config +        .flag_if_supported("-Wno-unused-parameter") +        .flag_if_supported("-Wno-unused-but-set-variable"); +    let scanner_path = src_dir.join("scanner.cc"); +    cpp_config.file(&scanner_path); +    cpp_config.compile("scanner"); +    println!("cargo:rerun-if-changed={}", scanner_path.to_str().unwrap()); +    */ +} diff --git a/bindings/rust/lib.rs b/bindings/rust/lib.rs new file mode 100644 index 0000000..d058c81 --- /dev/null +++ b/bindings/rust/lib.rs @@ -0,0 +1,52 @@ +//! 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 mut parser = tree_sitter::Parser::new(); +//! parser.set_language(tree_sitter_gsp::language()).expect("Error loading gsp grammar"); +//! let tree = parser.parse(code, None).unwrap(); +//! ``` +//! +//! [Language]: https://docs.rs/tree-sitter/*/tree_sitter/struct.Language.html +//! [language func]: fn.language.html +//! [Parser]: https://docs.rs/tree-sitter/*/tree_sitter/struct.Parser.html +//! [tree-sitter]: https://tree-sitter.github.io/ + +use tree_sitter::Language; + +extern "C" { +    fn tree_sitter_gsp() -> Language; +} + +/// 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 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"); + +// 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"); + +#[cfg(test)] +mod tests { +    #[test] +    fn test_can_load_grammar() { +        let mut parser = tree_sitter::Parser::new(); +        parser +            .set_language(super::language()) +            .expect("Error loading gsp language"); +    } +}  |