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

Show more of this group Show more artifacts with this name
Show all versions of checker Show documentation

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.

There is a newer version: 3.44.0

Show newest version

package org.checkerframework.dataflow.cfg.node;

import com.sun.source.tree.Tree;
import java.util.Collection;
import java.util.Collections;
import java.util.Objects;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.Types;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A node for the cast operator:
 *
 * (Point) x
 */
public class TypeCastNode extends Node {

  protected final Tree tree;
  protected final Node operand;

  /** For Types.isSameType. */
  protected final Types types;

  public TypeCastNode(Tree tree, Node operand, TypeMirror type, Types types) {
    super(type);
    this.tree = tree;
    this.operand = operand;
    this.types = types;
  }

  public Node getOperand() {
    return operand;
  }

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

  @Override
  public  R accept(NodeVisitor visitor, P p) {
    return visitor.visitTypeCast(this, p);
  }

  @Override
  public String toString() {
    return "(" + getType() + ")" + getOperand();
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    if (!(obj instanceof TypeCastNode)) {
      return false;
    }
    TypeCastNode other = (TypeCastNode) obj;
    return getOperand().equals(other.getOperand()) && types.isSameType(getType(), other.getType());
  }

  @Override
  public int hashCode() {
    return Objects.hash(getType(), getOperand());
  }

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