net.sourceforge.pmd.lang.java.ast.ASTGuard Maven / Gradle / Ivy
/*
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.lang.java.ast;
/**
* A guard for refining a switch case in {@link ASTSwitchLabel}s.
* This is a Java 21 language feature.
*
*
*
* SwitchLabel := "case" {@linkplain ASTPattern Pattern} Guard?
* Guard ::= "when" {@linkplain ASTExpression Expression}
*
*
*
* @see JEP 441: Pattern Matching for switch
*/
public final class ASTGuard extends AbstractJavaNode {
ASTGuard(int id) {
super(id);
}
@Override
protected R acceptVisitor(JavaVisitor visitor, P data) {
return visitor.visit(this, data);
}
public ASTExpression getGuard() {
return (ASTExpression) getChild(0);
}
}