Fix block in while/unless condition

mbj · mbj · commit 83ec2fc6c6a7 · 2016-01-25T01:31:55.000Z
[fix mbj#66]
diff --git a/lib/unparser/emitter/repetition.rb b/lib/unparser/emitter/repetition.rb
@@ -87,7 +87,9 @@ def emit_keyword
       #
       def emit_normal
         emit_keyword
-        visit(condition)
+        conditional_parentheses(condition.type.equal?(:block)) do
+          visit(condition)
+        end
         emit_body
         k_end
       end
diff --git a/spec/unit/unparser_spec.rb b/spec/unit/unparser_spec.rb
@@ -1541,6 +1541,13 @@ def foo
           3
         end
       RUBY
+
+      assert_source <<-'RUBY'
+        while (foo do
+        end)
+          :body
+        end
+      RUBY
     end
 
     context 'until' do
@@ -1554,6 +1561,13 @@ def foo
           3
         end
       RUBY
+
+      assert_source <<-'RUBY'
+        until (foo do
+        end)
+          :body
+        end
+      RUBY
     end
 
     assert_source <<-'RUBY'
