org.checkerframework.dataflow.cfg.node.BinaryOperationNode Maven / Gradle / Ivy

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The Checker Framework enhances Java's type system to make it more powerful and useful. This lets software developers detect and prevent errors in their Java programs. The Checker Framework includes compiler plug-ins ("checkers") that find bugs or verify their absence. It also permits you to write your own compiler plug-ins.

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package org.checkerframework.dataflow.cfg.node;

import com.sun.source.tree.BinaryTree;
import java.util.ArrayList;
import java.util.Collection;
import org.checkerframework.javacutil.TreeUtils;

/**
 * A node for a binary expression.
 *
 * For example:
 *
 * 
 *   lefOperandNode operator rightOperandNode
 * 
 */
public abstract class BinaryOperationNode extends Node {

    protected final BinaryTree tree;
    protected final Node left;
    protected final Node right;

    public BinaryOperationNode(BinaryTree tree, Node left, Node right) {
        super(TreeUtils.typeOf(tree));
        this.tree = tree;
        this.left = left;
        this.right = right;
    }

    public Node getLeftOperand() {
        return left;
    }

    public Node getRightOperand() {
        return right;
    }

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

    @Override
    public Collection getOperands() {
        ArrayList list = new ArrayList<>(2);
        list.add(getLeftOperand());
        list.add(getRightOperand());
        return list;
    }
}