Add JRuby 10 support via FFI bindings

.github/workflows/main.yml

@@ -18,6 +18,7 @@ jobs:
           - '3.3'
           - '3.4'
           - '4.0'
+          - 'jruby-10.0'
 
     steps:
       - name: Checkout
@@ -35,17 +36,25 @@ jobs:
           go-version-file: go/go.mod
           cache-dependency-path: go/go.sum
 
-      - name: Build Go Library
+      - name: Build Go Library (C archive)
+        if: ${{ !startsWith(matrix.ruby, 'jruby') }}
         run: bundle exec rake go:build
 
+      - name: Build Go Library (shared)
+        if: ${{ startsWith(matrix.ruby, 'jruby') }}
+        run: bundle exec rake go:build_shared
+
       - name: Compile Native Extension
+        if: ${{ !startsWith(matrix.ruby, 'jruby') }}
         run: bundle exec rake compile
 
       - name: Run tests
         run: bundle exec rake test
 
       - name: Run steep check
+        if: ${{ !startsWith(matrix.ruby, 'jruby') }}
         run: bundle exec steep check
 
       - name: Run rubocop
+        if: ${{ !startsWith(matrix.ruby, 'jruby') }}
         run: bundle exec rubocop

Gemfile

@@ -4,6 +4,7 @@ source "https://rubygems.org"
 
 gemspec
 
+gem "ffi", platform: :jruby
 gem "irb"
 gem "maxitest", "~> 7.0"
 gem "rake", "~> 13.0"

Gemfile.lock

@@ -132,6 +132,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  ffi
   irb
   lipgloss!
   maxitest (~> 7.0)

Rakefile

@@ -82,6 +82,16 @@ begin
       end
     end
 
+    desc "Build Go shared library for current platform"
+    task :build_shared do
+      platform = detect_go_platform
+      output_dir = "go/build/#{platform}"
+      FileUtils.mkdir_p(output_dir)
+
+      ext = RbConfig::CONFIG["host_os"] =~ /darwin/ ? "dylib" : "so"
+      sh "cd go && CGO_ENABLED=1 go build -buildmode=c-shared -o build/#{platform}/liblipgloss.#{ext} ."
+    end
+
     desc "Clean Go build artifacts"
     task :clean do
       FileUtils.rm_rf("go/build")

lib/lipgloss.rb

@@ -3,11 +3,15 @@
 
 require_relative "lipgloss/version"
 
-begin
-  major, minor, _patch = RUBY_VERSION.split(".") #: [String, String, String]
-  require_relative "lipgloss/#{major}.#{minor}/lipgloss"
-rescue LoadError
-  require_relative "lipgloss/lipgloss"
+if RUBY_ENGINE == "jruby"
+  require_relative "lipgloss/ffi_bindings"
+else
+  begin
+    major, minor, _patch = RUBY_VERSION.split(".") #: [String, String, String]
+    require_relative "lipgloss/#{major}.#{minor}/lipgloss"
+  rescue LoadError
+    require_relative "lipgloss/lipgloss"
+  end
 end
 
 require_relative "lipgloss/position"