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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
24 lines
434 B
Java
24 lines
434 B
Java
package jdk.internal.javac;
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import java.lang.annotation.*;
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@Target({ElementType.METHOD,
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ElementType.CONSTRUCTOR,
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ElementType.FIELD,
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ElementType.PACKAGE,
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ElementType.MODULE,
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ElementType.TYPE})
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@Retention(RetentionPolicy.CLASS)
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public @interface PreviewFeature {
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public Feature feature();
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public boolean reflective() default false;
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public enum Feature {
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TEXT_BLOCKS,
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RECORDS,
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SEALED_CLASSES,
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;
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}
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}
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