| 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: |
| * |
| * <p>(<em>Point</em>) <em>x</em> |
| */ |
| 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, 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(@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<Node> getOperands() { |
| return Collections.singletonList(getOperand()); |
| } |
| } |