Replace the non-standard UnboundMethod#origin with a new primitive.

Co-authored-by: Ufuk Kayserilioglu <[email protected]>

Author: 2 people

src/main/java/org/truffleruby/core/method/UnboundMethodNodes.java

@@ -137,9 +137,8 @@ protected RubySymbol name(RubyUnboundMethod unboundMethod) {
 
     }
 
-    // TODO: We should have an additional method for this but we need to access it for #inspect.
-    @CoreMethod(names = "origin", visibility = Visibility.PRIVATE)
-    public abstract static class OriginNode extends CoreMethodArrayArgumentsNode {
+    @Primitive(name = "unbound_method_origin")
+    public abstract static class OriginNode extends PrimitiveArrayArgumentsNode {
 
         @Specialization
         protected RubyModule origin(RubyUnboundMethod unboundMethod) {

src/main/ruby/truffleruby/core/unbound_method.rb

@@ -10,7 +10,7 @@
 
 class UnboundMethod
   def inspect
-    Truffle::MethodOperations.inspect_method(self, origin, owner)
+    Truffle::MethodOperations.inspect_method(self, Primitive.unbound_method_origin(self), owner)
   end
   alias_method :to_s, :inspect