Support Prism as a Ruby parser

Follow up rubocop/rubocop-ast#277

.github/workflows/main.yml

@@ -96,3 +96,17 @@ jobs:
           ruby-version: "3.3"
           bundler-cache: true
       - run: NO_COVERAGE=true bundle exec rake spec
+
+  prism:
+    runs-on: ubuntu-latest
+    name: Prism
+    steps:
+      - uses: actions/checkout@v4
+      - name: set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          # Specify the minimum Ruby version 2.7 required for Prism to run.
+          ruby-version: 2.7
+          bundler-cache: true
+      - name: spec
+        run: NO_COVERAGE=true bundle exec rake prism_spec

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Edge (Unreleased)
 
 - Fix a false negative for `Capybara/NegationMatcher` when using `to_not`. ([@ydah])
+- Support Prism as a Ruby parser (experimental). ([@ydah])
 
 ## 2.20.0 (2024-01-03)
 

Gemfile

@@ -6,6 +6,7 @@ gemspec
 
 gem 'bump'
 gem 'danger'
+gem 'prism'
 gem 'rack'
 gem 'rake'
 gem 'rspec', '~> 3.11'

Rakefile

@@ -75,6 +75,11 @@ task confirm_documentation: :generate_cops_documentation do
   end
 end
 
+desc 'Run RSpec with Prism'
+task :prism_spec do
+  sh('PARSER_ENGINE=parser_prism bundle exec rake spec')
+end
+
 task default: %i[build_config spec
                  internal_investigation
                  confirm_config

rubocop-capybara.gemspec

@@ -33,4 +33,5 @@ Gem::Specification.new do |spec|
   }
 
   spec.add_runtime_dependency 'rubocop', '~> 1.41'
+  spec.add_runtime_dependency 'rubocop-ast', '>= 1.31.1', '< 2.0'
 end