feat: add rust binding (#28)

.gitignore

@@ -1,5 +1,3 @@
 /build
 /node_modules
-
-/bindings/rust
-/Cargo.toml
+/target

.travis.yml

@@ -7,6 +7,7 @@ script:
   - if [ ! -d "./tree-sitter/target/release" ]; then bash ./scripts/setup-tree-sitter.sh; fi
   - ./tree-sitter/target/release/tree-sitter --version
   - ./tree-sitter/target/release/tree-sitter test
+  - cargo test
 
 cache:
   cargo: true

.versionrc.js

@@ -0,0 +1,24 @@
+module.exports = {
+  bumpFiles: [
+    {
+      filename: "package.json",
+      type: "json",
+    },
+    {
+      filename: "Cargo.toml",
+      updater: createTomlUpdater(),
+    },
+  ],
+};
+
+function createTomlUpdater() {
+  const regex = /^version = "(.+)"$/m;
+  return {
+    readVersion(content) {
+      return content.match(regex)[1];
+    },
+    writeVersion(content, version) {
+      return content.replace(regex, `version = "${version}"`);
+    },
+  };
+}

Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "tree-sitter-markdown"
+description = "Markdown grammar for tree-sitter"
+version = "0.6.1"
+keywords = ["incremental", "parsing", "markdown"]
+categories = ["parsing", "text-editors"]
+repository = "https://github.com/ikatyang/tree-sitter-markdown"
+edition = "2018"
+license = "MIT"
+
+build = "bindings/rust/build.rs"
+include = [
+  "/bindings/rust/",
+  "/src/",
+  "/CHANGELOG.md",
+  "/grammar.js",
+  "/LICENSE",
+  "/README.md"
+]
+
+[lib]
+path = "bindings/rust/lib.rs"
+
+[dependencies]
+tree-sitter = "0.19"
+
+[build-dependencies]
+cc = "1.0"

README.md

@@ -1,6 +1,7 @@
 # tree-sitter-markdown
 
 [![npm](https://img.shields.io/npm/v/tree-sitter-markdown.svg)](https://www.npmjs.com/package/tree-sitter-markdown)
+[![crates](https://img.shields.io/crates/v/tree-sitter-markdown.svg)](https://crates.io/crates/tree-sitter-markdown)
 [![build](https://img.shields.io/travis/com/ikatyang/tree-sitter-markdown/master.svg)](https://travis-ci.com/ikatyang/tree-sitter-markdown/builds)
 
 Markdown ([CommonMark Spec v0.29-gfm](https://github.github.com/gfm/)) grammar for [tree-sitter](https://github.com/tree-sitter/tree-sitter)

bindings/rust/build.rs

@@ -0,0 +1,38 @@
+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());
+}

bindings/rust/lib.rs

@@ -0,0 +1,52 @@
+//! This crate provides markdown 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_markdown::language()).expect("Error loading markdown 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_markdown() -> 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_markdown() }
+}
+
+/// 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 markdown language");
+    }
+}

package.json

@@ -31,13 +31,16 @@
     "nan": "^2.14.0"
   },
   "devDependencies": {
-    "standard-version": "7.0.0",
+    "standard-version": "9.2.0",
     "unicode-regex": "3.0.0"
   },
   "files": [
-    "/src/",
     "/bindings/node/",
+    "/src/",
     "/binding.gyp",
-    "/grammar.js"
+    "/CHANGELOG.md",
+    "/grammar.js",
+    "/LICENSE",
+    "/README.md"
   ]
 }