src/jdk.compiler/share/classes/com/sun/tools/javac/code/Preview.java

rev 56806 : 8232684: Make switch expressions final
Reviewed-by: TBD

*** 163,176 ****
       * Is given feature a preview feature?
       * @param feature the feature to be tested.
       * @return true, if given feature is a preview feature.
       */
      public boolean isPreview(Feature feature) {
!         if (feature == Feature.SWITCH_EXPRESSION ||
!             feature == Feature.SWITCH_MULTIPLE_CASE_LABELS ||
!             feature == Feature.SWITCH_RULE ||
!             feature == Feature.TEXT_BLOCKS)
              return true;
          //Note: this is a backdoor which allows to optionally treat all features as 'preview' (for testing).
          //When real preview features will be added, this method can be implemented to return 'true'
          //for those selected features, and 'false' for all the others.
          return forcePreview;
--- 163,173 ----
       * Is given feature a preview feature?
       * @param feature the feature to be tested.
       * @return true, if given feature is a preview feature.
       */
      public boolean isPreview(Feature feature) {
!         if (feature == Feature.TEXT_BLOCKS)
              return true;
          //Note: this is a backdoor which allows to optionally treat all features as 'preview' (for testing).
          //When real preview features will be added, this method can be implemented to return 'true'
          //for those selected features, and 'false' for all the others.
          return forcePreview;