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package org.checkerframework.checker.calledmethods.qual;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Repeatable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.checkerframework.framework.qual.ConditionalPostconditionAnnotation;
import org.checkerframework.framework.qual.InheritedAnnotation;
import org.checkerframework.framework.qual.QualifierArgument;
/**
* Indicates that the method, if it terminates with the given result, invokes the given methods on
* the given expressions.
*
* @see EnsuresCalledMethods
* @see CalledMethods
* @checker_framework.manual #called-methods-checker Called Methods Checker
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})
@ConditionalPostconditionAnnotation(qualifier = CalledMethods.class)
@InheritedAnnotation
@Repeatable(EnsuresCalledMethodsIf.List.class)
public @interface EnsuresCalledMethodsIf {
/**
* Returns the return value of the method under which the postcondition holds.
*
* @return the return value of the method under which the postcondition holds
*/
boolean result();
/**
* Returns Java expressions that have had the given methods called on them after the method
* returns {@link #result}.
*
* @return an array of Java expressions
* @checker_framework.manual #java-expressions-as-arguments Syntax of Java expressions
*/
String[] expression();
/**
* The methods guaranteed to be invoked on the expressions if the result of the method is {@link
* #result}.
*
* @return the methods guaranteed to be invoked on the expressions if the result of the method is
* {@link #result}
*/
@QualifierArgument("value")
String[] methods();
/**
* A wrapper annotation that makes the {@link EnsuresCalledMethodsIf} annotation repeatable.
*
* Programmers generally do not need to write this. It is created by Java when a programmer
* writes more than one {@link EnsuresCalledMethodsIf} annotation at the same location.
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.CONSTRUCTOR})
@ConditionalPostconditionAnnotation(qualifier = CalledMethods.class)
@InheritedAnnotation
public static @interface List {
/**
* Return the repeatable annotations.
*
* @return the repeatable annotations
*/
EnsuresCalledMethodsIf[] value();
}
}