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dataflow-shaded is a dataflow framework based on the javac compiler. It differs from the org.checkerframework:dataflow artifact in two ways. First, the packages in this artifact have been renamed to org.checkerframework.shaded.*. Second, unlike the dataflow artifact, this artifact contains the dependencies it requires.

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package org.checkerframework.dataflow.cfg.node;

import com.sun.source.tree.UnaryTree;

import org.checkerframework.dataflow.qual.SideEffectFree;
import org.checkerframework.javacutil.TreeUtils;

import java.util.Collection;
import java.util.Collections;

/**
 * A node for a postfix or an unary expression.
 *
 * For example:
 *
 * 
 *   operator expressionNode
 *
 *   expressionNode operator
 * 
 */
public abstract class UnaryOperationNode extends Node {

    protected final UnaryTree tree;
    protected final Node operand;

    protected UnaryOperationNode(UnaryTree tree, Node operand) {
        super(TreeUtils.typeOf(tree));
        this.tree = tree;
        this.operand = operand;
    }

    public Node getOperand() {
        return this.operand;
    }

    @Override
    public UnaryTree getTree() {
        return tree;
    }

    @Override
    @SideEffectFree
    public Collection getOperands() {
        return Collections.singletonList(getOperand());
    }
}