feat: add rust crate

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: cargo
+    directory: /rust
+    schedule:
+      interval: monthly
+
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly

.github/workflows/ci.yml

@@ -130,3 +130,44 @@ jobs:
       - name: Test (Windows)
         if: matrix.os == 'windows-latest'
         run: ctest -C ${{ matrix.cmake_config }} --output-on-failure --test-dir build
+
+  rust:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-22.04
+            toolchain: stable
+          - os: ubuntu-22.04
+            toolchain: nightly
+          - os: ubuntu-22.04-arm
+            toolchain: stable
+          - os: macos-14
+            toolchain: stable
+          - os: macos-15
+            toolchain: stable
+          - os: windows-latest
+            toolchain: stable
+
+    name: Rust ${{ matrix.toolchain }} / ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.toolchain }}
+          components: clippy
+
+      - name: Clippy
+        working-directory: rust
+        run: cargo clippy -- -D warnings
+
+      - name: Test
+        working-directory: rust
+        run: cargo test
+
+      - name: Test (no default features)
+        working-directory: rust
+        run: cargo test --no-default-features

.github/workflows/release.yml

@@ -54,3 +54,41 @@ jobs:
         env:
           GH_TOKEN: ${{ github.token }}
           RELEASE_TAG: ${{ needs.release-please.outputs.release_tag }}
+
+  publish-rust:
+    needs: [release-please, create-release]
+    if: ${{ needs.release-please.outputs.release_created }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+
+      - name: Build and test (populates rust/deps from source)
+        working-directory: rust
+        run: cargo test
+
+      - name: Commit rust/deps if changed
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add rust/deps/
+          if git diff --cached --quiet; then
+            echo "rust/deps is up to date"
+          else
+            git commit -m "chore: update rust/deps vendored sources"
+            git push
+          fi
+
+      - name: Publish to crates.io
+        working-directory: rust
+        run: cargo publish
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

release-please-config.json

@@ -4,7 +4,8 @@
       "release-type": "simple",
       "extra-files": [
         "CMakeLists.txt",
-        "include/merve/version.h"
+        "include/merve/version.h",
+        "rust/Cargo.toml"
       ]
     }
   }

rust/.gitignore

@@ -0,0 +1 @@
+/target

rust/Cargo.toml

@@ -0,0 +1,36 @@
+[package]
+name = "merve"
+version = "1.0.1" # x-release-please-version
+edition = "2024"
+rust-version = "1.85"
+authors = ["Yagiz Nizipli <yagiz@nizipli.com>"]
+license = "Apache-2.0 OR MIT"
+description = "A fast C++ lexer for extracting named exports from CommonJS modules"
+repository = "https://github.com/nodejs/merve"
+categories = ["parsing", "development-tools"]
+keywords = ["commonjs", "cjs", "exports", "lexer", "javascript"]
+include = [
+  "src/**/*.rs",
+  "deps/**/*.cpp",
+  "deps/**/*.h",
+  "wasi_to_unknown.cpp",
+  "build.rs",
+  "Cargo.toml",
+  "LICENSE-*",
+  "README.md",
+]
+
+[features]
+default = ["std"]
+# pass `cpp_set_stdlib("c++")` to `cc`
+libcpp = []
+# enable allocations
+std = []
+
+[package.metadata.docs.rs]
+rustdoc-args = ["--cfg", "docsrs"]
+
+[build-dependencies]
+cc = { version = "1.1", features = ["parallel"] }
+link_args = "0.6"
+regex = { version = "1.11", features = [] }