Add ruby-4.0 to CI

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.2, ruby-3.3, ruby-3.4, ruby-4.0]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
@@ -35,7 +35,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.2, ruby-3.3, ruby-3.4, ruby-4.0]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
@@ -53,7 +53,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.2, ruby-3.3, ruby-3.4, ruby-4.0]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
@@ -69,7 +69,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.2, ruby-3.3, ruby-3.4, ruby-4.0]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
@@ -85,7 +85,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.2, ruby-3.3, ruby-3.4, ruby-4.0]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4

Gemfile

@@ -2,4 +2,7 @@
 
 source 'https://rubygems.org'
 
+gem 'mutant', git: 'https://github.com/mbj/mutant'
+gem 'mutant-rspec', git: 'https://github.com/mbj/mutant'
+
 gemspec

Gemfile.lock

@@ -1,3 +1,18 @@
+GIT
+  remote: https://github.com/mbj/mutant
+  revision: a132c7bacbc4f3bd02bbe02d8b64de08d465ac7f
+  specs:
+    mutant (0.14.0)
+      diff-lcs (~> 1.3)
+      irb (~> 1.15)
+      parser (~> 3.3.0)
+      regexp_parser (~> 2.10)
+      sorbet-runtime (~> 0.6.0)
+      unparser (~> 0.8.0)
+    mutant-rspec (0.14.0)
+      mutant (= 0.14.0)
+      rspec-core (>= 3.8.0, < 4.0.0)
+
 PATH
   remote: .
   specs:
@@ -10,92 +25,84 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.3)
-    date (3.4.1)
+    date (3.5.1)
     diff-lcs (1.6.2)
-    erb (5.0.1)
-    io-console (0.8.0)
-    irb (1.15.2)
+    erb (6.0.1)
+    io-console (0.8.2)
+    irb (1.16.0)
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.12.2)
+    json (2.18.0)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
-    mutant (0.13.2)
-      diff-lcs (~> 1.3)
-      irb (~> 1.15.2)
-      parser (~> 3.3.0)
-      regexp_parser (~> 2.10)
-      sorbet-runtime (~> 0.5.0)
-      unparser (~> 0.8.0)
-    mutant-rspec (0.13.2)
-      mutant (= 0.13.2)
-      rspec-core (>= 3.8.0, < 4.0.0)
     parallel (1.27.0)
-    parser (3.3.8.0)
+    parser (3.3.10.0)
       ast (~> 2.4.1)
       racc
-    pp (0.6.2)
+    pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
-    prism (1.5.1)
-    psych (5.2.6)
+    prism (1.7.0)
+    psych (5.3.1)
       date
       stringio
     racc (1.8.1)
     rainbow (3.1.1)
-    rdoc (6.14.1)
+    rdoc (7.0.3)
       erb
       psych (>= 4.0.0)
-    regexp_parser (2.10.0)
-    reline (0.6.1)
+      tsort
+    regexp_parser (2.11.3)
+    reline (0.6.3)
       io-console (~> 0.5)
-    rspec (3.13.1)
+    rspec (3.13.2)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
       rspec-mocks (~> 3.13.0)
-    rspec-core (3.13.4)
+    rspec-core (3.13.6)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-its (1.3.1)
       rspec-core (>= 3.0.0)
       rspec-expectations (>= 3.0.0)
-    rspec-mocks (3.13.5)
+    rspec-mocks (3.13.7)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-support (3.13.4)
-    rubocop (1.76.2)
+    rspec-support (3.13.6)
+    rubocop (1.82.1)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.45.1, < 2.0)
+      rubocop-ast (>= 1.48.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.45.1)
+    rubocop-ast (1.49.0)
       parser (>= 3.3.7.2)
-      prism (~> 1.4)
+      prism (~> 1.7)
     rubocop-packaging (0.6.0)
       lint_roller (~> 1.1.0)
       rubocop (>= 1.72.1, < 2.0)
     ruby-progressbar (1.13.0)
-    sorbet-runtime (0.5.12194)
-    stringio (3.1.7)
-    unicode-display_width (3.1.4)
-      unicode-emoji (~> 4.0, >= 4.0.4)
-    unicode-emoji (4.0.4)
+    sorbet-runtime (0.6.12873)
+    stringio (3.2.0)
+    tsort (0.2.0)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
 
 PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  mutant (~> 0.13.2)
-  mutant-rspec (~> 0.13.0)
+  mutant!
+  mutant-rspec!
   rspec (~> 3.13)
   rspec-core (~> 3.13)
   rspec-its (~> 1.3.0)
@@ -104,4 +111,4 @@ DEPENDENCIES
   unparser!
 
 BUNDLED WITH
-   2.7.0
+  4.0.3

lib/unparser/ast.rb

@@ -19,6 +19,7 @@ class AST
         kwoptarg
         kwrestarg
         lvasgn
+        match_var
         optarg
         restarg
       ].to_set.freeze

test/corpus/semantic/pattern.rb

@@ -26,3 +26,7 @@
 in %q[a b c $FILE]
 end
 a in b, and c
+begin
+  foo => e
+  e()
+end

unparser.gemspec

@@ -29,8 +29,8 @@ Gem::Specification.new do |gem|
   gem.add_dependency('parser',   '>= 3.3.0')
   gem.add_dependency('prism',    '>= 1.5.1')
 
-  gem.add_development_dependency('mutant',            '~> 0.13.2')
-  gem.add_development_dependency('mutant-rspec',      '~> 0.13.0')
+  gem.add_development_dependency('mutant',            '~> 0.14')
+  gem.add_development_dependency('mutant-rspec',      '~> 0.14')
   gem.add_development_dependency('rspec',             '~> 3.13')
   gem.add_development_dependency('rspec-core',        '~> 3.13')
   gem.add_development_dependency('rspec-its',         '~> 1.3.0')