| package org.checkerframework.checker.signedness.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.TypeKind; |
| import org.checkerframework.framework.qual.UpperBoundFor; |
| |
| /** |
| * The value is to be interpreted as signed. That is, if the most significant bit in the bitwise |
| * representation is set, then the bits should be interpreted as a negative number. |
| * |
| * @checker_framework.manual #signedness-checker Signedness Checker |
| */ |
| @Documented |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) |
| @SubtypeOf({UnknownSignedness.class}) |
| @DefaultFor( |
| typeKinds = { |
| TypeKind.BYTE, |
| TypeKind.INT, |
| TypeKind.LONG, |
| TypeKind.SHORT, |
| TypeKind.FLOAT, |
| TypeKind.DOUBLE |
| }, |
| types = { |
| java.lang.Byte.class, |
| java.lang.Integer.class, |
| java.lang.Long.class, |
| java.lang.Short.class, |
| java.lang.Float.class, |
| java.lang.Double.class |
| }) |
| @UpperBoundFor( |
| typeKinds = {TypeKind.FLOAT, TypeKind.DOUBLE}, |
| types = {java.lang.Float.class, java.lang.Double.class}) |
| public @interface Signed {} |