Add RBS signature and testing

.github/workflows/benchmark.yml

@@ -42,6 +42,9 @@ jobs:
         - { os: windows-latest , ruby: "3.1" }
         - { os: windows-latest , ruby: "3.2" }
 
+    env:
+      BUNDLE_WITHOUT: sig
+
     steps:
     - uses: actions/checkout@v6.0.2
 

.github/workflows/ci.yml

@@ -45,6 +45,7 @@ jobs:
     env:
       BIGDECIMAL_USE_DECDIG_UINT16_T: ${{ matrix.decdig_bits == 16 }}
       BIGDECIMAL_USE_VP_TEST_METHODS: true
+      BUNDLE_WITHOUT: sig
 
     steps:
       - uses: actions/checkout@v6.0.2

.github/workflows/jruby_test.yml

@@ -14,6 +14,10 @@ jobs:
   host:
     name: ${{ matrix.ruby }}
     runs-on: ubuntu-latest
+
+    env:
+      BUNDLE_WITHOUT: sig
+
     strategy:
       fail-fast: false
       matrix:

.github/workflows/push_gem.yml

@@ -17,6 +17,9 @@ jobs:
       name: rubygems.org
       url: https://rubygems.org/gems/bigdecimal
 
+    env:
+      BUNDLE_WITHOUT: sig
+
     permissions:
       contents: write
       id-token: write

.github/workflows/sig.yml

@@ -0,0 +1,26 @@
+name: sig
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    types:
+    - opened
+    - synchronize
+    - reopened
+
+jobs:
+  sig:
+    runs-on: "ubuntu-latest"
+    env:
+      BUNDLE_WITH: sig
+    steps:
+      - uses: actions/checkout@v6.0.2
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+          ruby-version: ruby
+      - name: Run RBS test
+        run: bundle exec rake rbs:test

Gemfile

@@ -10,3 +10,8 @@ gem "minitest", "< 5.0.0"
 gem "irb"
 gem "test-unit"
 gem "test-unit-ruby-core"
+
+group :sig do
+  gem "rbs"
+  gem "rdoc"
+end

Rakefile

@@ -77,3 +77,22 @@ namespace :dev do
     end
   end
 end
+
+namespace :rbs do
+  Rake::TestTask.new(test: :compile) do |t|
+    t.libs << 'test_sig'
+    t.ruby_opts << '-rtest_helper'
+    t.test_files = FileList['test_sig/test_big_*.rb']
+    t.warning = true
+  end
+
+  desc 'Update RBS comments'
+  task :annotate do
+    require "tmpdir"
+
+    Dir.mktmpdir do |tmpdir|
+      sh("rdoc --ri --output #{tmpdir}/doc --root=. lib")
+      sh("rbs annotate --no-system --no-gems --no-site --no-home -d #{tmpdir}/doc sig")
+    end
+  end
+end

bigdecimal.gemspec

@@ -34,6 +34,8 @@ Gem::Specification.new do |s|
     sample/linear.rb
     sample/nlsolve.rb
     sample/pi.rb
+    sig/big_decimal.rbs
+    sig/big_math.rbs
   ]
   if Gem::Platform === s.platform and s.platform =~ 'java' or RUBY_ENGINE == 'jruby'
     s.platform      = 'java'