Merge pull request #2 from segiddins/segiddins/support-running-on-tru…

…ffleruby-jruby

Support running on truffleruby & jruby

.github/workflows/main.yml

@@ -19,6 +19,10 @@ jobs:
           - "3.2.3"
           - "3.1.4"
           - "3.0.5"
+          # - "truffleruby-23.1.2"
+          - "jruby-9.4.6.0"
+        allow_failures:
+          - ruby: "truffleruby-23.1.2"
 
     steps:
       - uses: actions/checkout@v4

.rubocop.yml

@@ -17,6 +17,9 @@ Style/StringLiteralsInInterpolation:
   Enabled: true
   EnforcedStyle: double_quotes
 
+Style/EndlessMethod:
+  EnforcedStyle: disallow # truffleruby does not support endless method syntax on 23.x
+
 Layout/LineLength:
   Max: 120
 

Gemfile.lock

@@ -57,6 +57,7 @@ GEM
     docile (1.4.0)
     forwardable (1.3.3)
     json (2.7.1)
+    json (2.7.1-java)
     language_server-protocol (3.17.0.3)
     minitest (5.22.3)
     parallel (1.24.0)
@@ -65,6 +66,7 @@ GEM
       racc
     prettier_print (1.2.1)
     racc (1.7.3)
+    racc (1.7.3-java)
     rainbow (3.1.1)
     rake (13.1.0)
     regexp_parser (2.9.0)
@@ -118,8 +120,15 @@ GEM
     unicode-display_width (2.5.0)
 
 PLATFORMS
+  arm64-darwin-22
   arm64-darwin-23
-  ruby
+  arm64-linux
+  java
+  universal-java-19
+  x64-mingw-ucrt
+  x64-mingw32
+  x86_64-darwin-22
+  x86_64-linux
 
 DEPENDENCIES
   minitest (~> 5.22)

lib/protobug/binary_encoding.rb

@@ -22,7 +22,18 @@ def encode_varint(value, outbuf)
           break
         end
       end
-      out.pack("c*", buffer: outbuf)
+      pack(out, "c*", buffer: outbuf)
+    end
+
+    if RUBY_ENGINE == "truffleruby"
+      # see https://github.com/oracle/truffleruby/issues/3559
+      def pack(ary, format, buffer:)
+        buffer.concat ary.pack(format)
+      end
+    else
+      def pack(ary, format, buffer:)
+        ary.pack(format, buffer: buffer)
+      end
     end
 
     def encode_zigzag(size, value, outbuf)