openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/previewfeature/warnings/ImplementsPreviewFeature.java at 243 - openide - Gitea

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Nikita Eshkeev 735d4f05c1 [preview] IDEA-259969 Reflective preview APIs are incorrectly reported as errors

This patch adds the PreviewFeatureInspection inspection that is enabled only when the language level of the project is a preview one. It allows to register warnings and suppress all the preview warnings as it's done in javac. When the language level of the project is not a preview one, HighlightVisitorImpl runs the same visitor that can report errors instead of warnings. It cannot be suppressed.

A PSI element is considered a preview feature when either:
- it is annotated with PreviewFeature directly
- one of its enclosing classes is annotated with PreviewFeature
- its module is annotated with PreviewFeature
It's worth mentioning that when a package in package-info.java is annotated with PreviewFeature this flag doesn't get to be propagated to the classes that are inside the package.

Signed-off-by: Nikita Eshkeev <nikita.eshkeev@jetbrains.com>

GitOrigin-RevId: 5bd22ea2e18ba83303156a2b9665bc54622f6344

2021-02-11 00:50:54 +00:00

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 class A implements <warning descr="com.mycom.FirstPreviewFeature is a preview API and may be removed in a future release">com.mycom.FirstPreviewFeature</warning> {
   public void f() {}
 }