| package org.checkerframework.checker.signature.qual; |
| |
| import java.lang.annotation.Documented; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import org.checkerframework.framework.qual.DefaultFor; |
| import org.checkerframework.framework.qual.SubtypeOf; |
| import org.checkerframework.framework.qual.TargetLocations; |
| import org.checkerframework.framework.qual.TypeUseLocation; |
| |
| /** |
| * The bottom type in the Signature String type system. Programmers should rarely write this type. |
| * |
| * @checker_framework.manual #signature-checker Signature Checker |
| * @checker_framework.manual #bottom-type the bottom type |
| */ |
| @Documented |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) |
| @TargetLocations({TypeUseLocation.EXPLICIT_LOWER_BOUND, TypeUseLocation.EXPLICIT_UPPER_BOUND}) |
| @SubtypeOf({ |
| FieldDescriptorForPrimitive.class, |
| PrimitiveType.class, |
| CanonicalNameAndBinaryName.class, |
| MethodDescriptor.class |
| }) |
| @DefaultFor({TypeUseLocation.LOWER_BOUND}) |
| public @interface SignatureBottom {} |