Update Rust parser to RBS 4.1.2

.dockerignore

@@ -0,0 +1,37 @@
+# Keep the build context small. .git is intentionally NOT ignored: rbs.gemspec
+# builds its file list with `git ls-files`.
+#
+# Safe to ignore here: untracked/generated paths, and tracked paths the gemspec
+# already rejects (so `gem build` does not expect them on disk). Do NOT ignore a
+# tracked path the gemspec ships — `gem build` would fail with "... are not
+# files". .vscode/ and benchmark/ are tracked but rejected by the gemspec.
+.vscode/
+benchmark/
+
+# Editor / tooling / worktree copies (untracked; each is a full repo clone)
+.claude/
+trees/
+.devcontainer/
+.idea/
+.ruby-lsp/
+.yardoc/
+doc/
+datasets/
+tmp/
+
+# Build artifact — rebuilt inside the image by `rake wasm:jruby_setup`
+lib/rbs/wasm/*.wasm
+*.gem
+ext/**/*.o
+ext/**/*.so
+ext/**/*.bundle
+*.log
+
+# Local scratch / experiment files
+flamegraph.html
+gc.html
+foo.rbs
+sorted.json
+string.json
+Gemfile-*
+gemfiles/

.github/dependabot.yml

@@ -21,4 +21,4 @@ updates:
     schedule:
       interval: 'weekly'
     labels:
-      - 'no-milestone'
+      - 'skip-changelog'

.github/workflows/bundle-update.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
@@ -58,6 +58,6 @@ jobs:
             --body "Automated weekly bundle update" \
             --head "$(git rev-parse --abbrev-ref HEAD)" \
             --base "${{ github.event.repository.default_branch }}" \
-            --label "no-milestone"
+            --label "skip-changelog"
 
           gh pr merge --auto --merge "$(git rev-parse --abbrev-ref HEAD)"

.github/workflows/c-check.yml

@@ -7,11 +7,14 @@ on:
   pull_request: {}
   merge_group: {}
 
+permissions:
+  contents: read
+
 jobs:
   format-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "4.0"
@@ -24,8 +27,13 @@ jobs:
           sudo apt-get install -y libdb-dev curl autoconf automake m4 libtool
       - name: Install clang-format from LLVM
         run: |
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          sudo apt-add-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-20 main"
+          # The codename must match the `runs-on` image: `ubuntu-latest` is 24.04 (noble).
+          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key \
+            | sudo gpg --dearmor -o /usr/share/keyrings/llvm-archive-keyring.gpg
+          # Written directly rather than through `apt-add-repository`, which cannot
+          # parse `[signed-by=...]` inside a one-line `deb` shortcut.
+          echo "deb [signed-by=/usr/share/keyrings/llvm-archive-keyring.gpg] http://apt.llvm.org/noble/ llvm-toolchain-noble-20 main" \
+            | sudo tee /etc/apt/sources.list.d/llvm.list
           sudo apt-get update
           sudo apt-get install -y clang-format-20
           sudo ln -sf /usr/bin/clang-format-20 /usr/local/bin/clang-format
@@ -35,9 +43,9 @@ jobs:
       - name: Install Re2c
         run: |
           cd /tmp
-          curl -L https://github.com/skvadrik/re2c/archive/refs/tags/4.3.tar.gz > re2c-4.3.tar.gz
-          tar xf re2c-4.3.tar.gz
-          cd re2c-4.3
+          curl -L https://github.com/skvadrik/re2c/archive/refs/tags/4.5.1.tar.gz > re2c-4.5.1.tar.gz
+          tar xf re2c-4.5.1.tar.gz
+          cd re2c-4.5.1
           cmake --preset=linux-gcc-release-ootree-skeleton-fast
           cmake --build --preset=linux-gcc-release-ootree-skeleton-fast --parallel="$(nproc)"
           sudo ln -sf "$(pwd)"/.build/linux-gcc-release-ootree-skeleton-fast/re2c /usr/local/bin/re2c

.github/workflows/comments.yml

@@ -13,10 +13,10 @@ jobs:
     # env:
     #   RUBY_COMMIT: v4.0.0-preview2
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "4.0.1"
+          ruby-version: "4.0.6"
           bundler: none
       - name: Install dependencies
         run: |

.github/workflows/dependabot.yml

@@ -17,7 +17,7 @@ jobs:
         uses: dependabot/fetch-metadata@25dd0e34f4fe68f24cc83900b1fe3fe149efef98 # v3.1.0
         id: metadata
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Abort if blocker files are changed

.github/workflows/jruby.yml

@@ -0,0 +1,74 @@
+name: JRuby
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    paths:
+      - ".github/workflows/jruby.yml"
+      - "include/**"
+      - "src/**"
+      - "wasm/**"
+      - "lib/**"
+      - "sig/**"
+      - "core/**"
+      - "stdlib/**"
+      - "test/**"
+      - "Rakefile"
+      - "rbs.gemspec"
+  # `merge_group` has no `paths` filter, so this runs on every queue entry.
+  merge_group: {}
+
+permissions:
+  contents: read
+
+env:
+  # Keep in sync with .github/workflows/wasm.yml.
+  WASI_SDK_VERSION: "33"
+  WASI_SDK_RELEASE: "33.0"
+
+jobs:
+  test:
+    name: jruby
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v7
+      - run: git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+
+      # Build the .wasm and fetch the Chicory jars with CRuby + the WASI SDK,
+      # then run RBS itself on JRuby against those artifacts.
+      - name: Set up Ruby (to assemble the WebAssembly runtime)
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ruby
+          bundler: none
+      - name: Update rubygems & bundler
+        run: gem update --system
+      - name: Install gems
+        run: |
+          bundle config set --local without libs:profilers
+          bundle install --jobs 4 --retry 3
+      - name: Install the WASI SDK
+        run: |
+          url="https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_SDK_VERSION}/wasi-sdk-${WASI_SDK_RELEASE}-x86_64-linux.tar.gz"
+          mkdir -p "$HOME/wasi-sdk"
+          curl -sSL "$url" | tar xz --strip-components=1 -C "$HOME/wasi-sdk"
+          echo "WASI_SDK_PATH=$HOME/wasi-sdk" >> "$GITHUB_ENV"
+      - name: Build rbs_parser.wasm
+        run: bundle exec rake wasm:jruby_setup
+
+      - name: Set up JRuby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: jruby
+          bundler: none
+      - name: Install runtime and test gems
+        run: gem install prism rake rake-compiler test-unit rdoc rspec minitest json-schema pry --no-document
+      # jar-dependencies resolves through the JVM, so download the Chicory/ASM
+      # jars into ~/.m2 here on JRuby (jar-dependencies is not available in the
+      # CRuby step above).
+      - name: Download the Chicory and ASM jars
+        run: jruby -S rake wasm:install_jars
+      - name: Run the test suite on JRuby
+        run: jruby -S rake test