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package org.checkerframework.dataflow.cfg.node;
import com.sun.source.tree.LiteralTree;
import com.sun.source.tree.Tree;
import java.util.Collection;
import java.util.Collections;
/**
* A node for a boolean literal:
*
* <pre>
* <em>true</em>
* <em>false</em>
* </pre>
*
* @author Stefan Heule
*/
public class BooleanLiteralNode extends ValueLiteralNode {
public BooleanLiteralNode(LiteralTree t) {
super(t);
assert t.getKind().equals(Tree.Kind.BOOLEAN_LITERAL);
}
@Override
public Boolean getValue() {
return (Boolean) tree.getValue();
}
@Override
public <R, P> R accept(NodeVisitor<R, P> visitor, P p) {
return visitor.visitBooleanLiteral(this, p);
}
@Override
public boolean equals(Object obj) {
// test that obj is a BooleanLiteralNode
if (!(obj instanceof BooleanLiteralNode)) {
return false;
}
// super method compares values
return super.equals(obj);
}
@Override
public Collection<Node> getOperands() {
return Collections.emptyList();
}
}
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