Merge remote-tracking branch 'upstream/master' into classish_allowed

Author: ksss

.github/workflows/bundle-update.yml

@@ -11,12 +11,12 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4'
+          ruby-version: '4.0'
 
       - name: Set up git
         run: |

.github/workflows/c-check.yml

@@ -9,10 +9,10 @@ jobs:
   format-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.4"
+          ruby-version: "4.0"
           bundler-cache: none
       - name: Set working directory as safe
         run: git config --global --add safe.directory $(pwd)
@@ -28,15 +28,17 @@ jobs:
           sudo apt-get install -y clang-format-20
           sudo ln -sf /usr/bin/clang-format-20 /usr/local/bin/clang-format
           clang-format --version
+      - name: Count processors
+        run: nproc
       - name: Install Re2c
         run: |
           cd /tmp
-          curl -L https://github.com/skvadrik/re2c/archive/refs/tags/3.1.tar.gz > re2c-3.1.tar.gz
-          tar xf re2c-3.1.tar.gz
-          cd re2c-3.1
+          curl -L https://github.com/skvadrik/re2c/archive/refs/tags/4.3.tar.gz > re2c-4.3.tar.gz
+          tar xf re2c-4.3.tar.gz
+          cd re2c-4.3
           autoreconf -i -W all
           ./configure
-          make
+          make -j"$(nproc)" -l"$(nproc)"
           sudo make install
       - name: Update rubygems & bundler
         run: |

.github/workflows/comments.yml

@@ -11,12 +11,12 @@ jobs:
   comments:
     runs-on: "ubuntu-latest"
     # env:
-    #   RUBY_COMMIT: 1b0c46daed9186b82ab4fef1a4ab225afe582ee6
+    #   RUBY_COMMIT: v4.0.0-preview2
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.4.5"
+          ruby-version: "4.0.0"
           bundler: none
       - name: Install dependencies
         run: |

.github/workflows/dependabot.yml

@@ -14,10 +14,10 @@ jobs:
     if: ${{ github.event.pull_request.user.login == 'dependabot[bot]' }}
     steps:
       - name: Dependabot metadata
-        uses: dependabot/fetch-metadata@08eff52bf64351f401fb50d4972fa95b9f2c2d1b # v2.4.0
+        uses: dependabot/fetch-metadata@21025c705c08248db411dc16f3619e6b5f9ea21a # v2.5.0
         id: metadata
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Abort if blocker files are changed

.github/workflows/ruby.yml

@@ -13,29 +13,29 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.2', '3.3', '3.4', head]
+        ruby: ['3.2', '3.3', '3.4', '4.0', head]
         rubyopt: [""]
         job:
           - test
         include:
           - ruby: head
             job: stdlib_test rubocop
-          - ruby: "3.4"
+          - ruby: "4.0"
             job: stdlib_test
-          - ruby: "3.4"
+          - ruby: "4.0"
             job: test
             rubyopt: "--enable-frozen-string-literal"
-          - ruby: "3.4"
+          - ruby: "4.0"
             job: stdlib_test
             rubyopt: "--enable-frozen-string-literal"
-          - ruby: "3.4"
+          - ruby: "4.0"
             job: rubocop validate test_doc build test_generate_stdlib raap
-          - ruby: "3.4"
+          - ruby: "4.0"
             job: typecheck_test
     env:
       RANDOMIZE_STDLIB_TEST_ORDER: "true"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
@@ -74,9 +74,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.4', head]
+        ruby: ['4.0', head]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install dependencies
         run: |
           brew install ruby-build
@@ -100,4 +100,3 @@ jobs:
         run: |
           bin/setup
       - run: bundle exec rake clean compile_c99
-

.github/workflows/typecheck.yml

@@ -13,10 +13,10 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: "3.3"
+          ruby-version: "3.4"
           bundler: none
       - name: Set working directory as safe
         run: git config --global --add safe.directory $(pwd)

.github/workflows/valgrind.yml

@@ -19,7 +19,7 @@ jobs:
   valgrind:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: "3.4"

.github/workflows/windows.yml

@@ -13,9 +13,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.2', '3.3', ucrt, mswin]
+        ruby: ['3.4', ucrt, mswin]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: load ruby
         uses: ruby/setup-ruby@v1
         with:

Gemfile

@@ -21,6 +21,7 @@ gem "fileutils"
 gem "raap"
 gem "activesupport", "~> 7.0"
 gem "extconf_compile_commands_json"
+gem "irb"
 
 group :libs do
   # Libraries required for stdlib test
@@ -30,7 +31,6 @@ group :libs do
   gem "dbm"
   gem "mutex_m"
   gem "nkf"
-  gem "pathname"
 end
 
 group :profilers do
@@ -52,6 +52,7 @@ gem 'pstore'
 
 group :minitest do
   gem "minitest"
+  gem "minitest-mock"
 end
 
 group :typecheck_test do