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package org.checkerframework.dataflow.cfg.node;
import com.sun.source.tree.Tree;
import java.util.Collection;
import java.util.Collections;
import javax.lang.model.type.TypeMirror;
import org.checkerframework.dataflow.util.HashCodeUtils;
/**
* A node for the cast operator:
*
* <p>(<em>Point</em>) <em>x</em>
*
* @author Stefan Heule
* @author Charlie Garrett
*/
public class TypeCastNode extends Node {
protected Tree tree;
protected Node operand;
public TypeCastNode(Tree tree, Node operand, TypeMirror type) {
super(type);
this.tree = tree;
this.operand = operand;
}
public Node getOperand() {
return operand;
}
@Override
public TypeMirror getType() {
return type;
}
@Override
public Tree getTree() {
return tree;
}
@Override
public <R, P> R accept(NodeVisitor<R, P> visitor, P p) {
return visitor.visitTypeCast(this, p);
}
@Override
public String toString() {
return "(" + getType() + ")" + getOperand();
}
@Override
public boolean equals(Object obj) {
if (obj == null || !(obj instanceof TypeCastNode)) {
return false;
}
TypeCastNode other = (TypeCastNode) obj;
// TODO: TypeMirror.equals may be too restrictive.
// Check whether Types.isSameType is the better comparison.
return getOperand().equals(other.getOperand()) && getType().equals(other.getType());
}
@Override
public int hashCode() {
return HashCodeUtils.hash(getOperand());
}
@Override
public Collection<Node> getOperands() {
return Collections.singletonList(getOperand());
}
}
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