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package org.checkerframework.framework.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;
/**
* A meta-annotation that indicates what qualifier should be given to literals.
* {@code @QualifierForLiterals} (without any annotation elements) is equivalent to
* {@code @QualifierForLiterals(LiteralKind.ALL)}
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.ANNOTATION_TYPE)
public @interface QualifierForLiterals {
/**
* The kinds of literals whose types have this qualifier. For example, if {@code @MyAnno} is
* meta-annotated with {@code @QualifierForLiterals(LiteralKind.STRING)}, then a literal {@code
* String} constant such as {@code "hello world"} has type {@code @MyAnno String}, but occurrences
* of {@code String} in the source code are not affected.
*
* For String literals, also see the {@link #stringPatterns} annotation element/field.
*/
LiteralKind[] value() default {};
/**
* A string literal that matches any of these patterns has this qualifier.
*
*
If patterns for multiple qualifiers match, then the string literal is given the greatest
* lower bound of all the matches.
*/
String[] stringPatterns() default {};
}