Mercurial > jdk8-mips64-public > nashorn / file diff

     1.1 --- a/src/jdk/nashorn/internal/ir/UnaryNode.java	Tue Mar 19 11:03:24 2013 -0300
     1.2 +++ b/src/jdk/nashorn/internal/ir/UnaryNode.java	Sat Mar 23 00:58:39 2013 +0100
     1.3 @@ -41,7 +41,7 @@
     1.4   */
     1.5  public class UnaryNode extends Node implements Assignment<Node> {
     1.6      /** Right hand side argument. */
     1.7 -    protected Node rhs;
     1.8 +    private Node rhs;
     1.9  
    1.10      /**
    1.11       * Constructor
    1.12 @@ -104,6 +104,11 @@
    1.13      }
    1.14  
    1.15      @Override
    1.16 +    public Node setAssignmentDest(Node n) {
    1.17 +        return setRHS(n);
    1.18 +    }
    1.19 +
    1.20 +    @Override
    1.21      public Node getAssignmentSource() {
    1.22          return getAssignmentDest();
    1.23      }
    1.24 @@ -132,9 +137,8 @@
    1.25       */
    1.26      @Override
    1.27      public Node accept(final NodeVisitor visitor) {
    1.28 -        if (visitor.enter(this) != null) {
    1.29 -            rhs = rhs.accept(visitor);
    1.30 -            return visitor.leave(this);
    1.31 +        if (visitor.enterUnaryNode(this) != null) {
    1.32 +            return visitor.leaveUnaryNode(setRHS(rhs.accept(visitor)));
    1.33          }
    1.34  
    1.35          return this;
    1.36 @@ -212,10 +216,12 @@
    1.37       * @see BinaryNode
    1.38       *
    1.39       * @param rhs right hand side or expression node
    1.40 +     * @return a node equivalent to this one except for the requested change.
    1.41       */
    1.42 -    public void setRHS(final Node rhs) {
    1.43 -        this.rhs = rhs;
    1.44 +    public UnaryNode setRHS(final Node rhs) {
    1.45 +        if(this.rhs == rhs) return this;
    1.46 +        final UnaryNode n = (UnaryNode)clone();
    1.47 +        n.rhs = rhs;
    1.48 +        return n;
    1.49      }
    1.50 -
    1.51 -
    1.52  }