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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.
package org.checkerframework.dataflow.cfg.node;
import com.sun.source.tree.BinaryTree;
import com.sun.source.tree.Tree;
import org.checkerframework.checker.nullness.qual.Nullable;
import java.util.Objects;
/**
* A node for the less than or equal comparison:
*
*
* expression <= expression
*
*/
public class LessThanOrEqualNode extends BinaryOperationNode {
/**
* Constructs a {@link LessThanOrEqualNode}.
*
* @param tree the binary tree
* @param left the left operand
* @param right the right operand
*/
public LessThanOrEqualNode(BinaryTree tree, Node left, Node right) {
super(tree, left, right);
assert tree.getKind() == Tree.Kind.LESS_THAN_EQUAL;
}
@Override
public R accept(NodeVisitor visitor, P p) {
return visitor.visitLessThanOrEqual(this, p);
}
@Override
public String toString() {
return "(" + getLeftOperand() + " <= " + getRightOperand() + ")";
}
@Override
public boolean equals(@Nullable Object obj) {
if (!(obj instanceof LessThanOrEqualNode)) {
return false;
}
LessThanOrEqualNode other = (LessThanOrEqualNode) obj;
return getLeftOperand().equals(other.getLeftOperand())
&& getRightOperand().equals(other.getRightOperand());
}
@Override
public int hashCode() {
return Objects.hash(getLeftOperand(), getRightOperand());
}
}
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