BooleanLiteralNode.java

  1. /*
  2.  * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved. This
  3.  * code is released under a tri EPL/GPL/LGPL license. You can use it,
  4.  * redistribute it and/or modify it under the terms of the:
  5.  *
  6.  * Eclipse Public License version 1.0
  7.  * GNU General Public License version 2
  8.  * GNU Lesser General Public License version 2.1
  9.  */
  10. package org.jruby.truffle.nodes.literal;

  11. import com.oracle.truffle.api.frame.VirtualFrame;
  12. import com.oracle.truffle.api.nodes.NodeCost;
  13. import com.oracle.truffle.api.nodes.NodeInfo;
  14. import com.oracle.truffle.api.source.SourceSection;
  15. import org.jruby.truffle.nodes.RubyNode;
  16. import org.jruby.truffle.runtime.RubyContext;

  17. @NodeInfo(cost = NodeCost.NONE)
  18. public class BooleanLiteralNode extends RubyNode {

  19.     private final boolean value;

  20.     public BooleanLiteralNode(RubyContext context, SourceSection sourceSection, boolean value) {
  21.         super(context, sourceSection);
  22.         this.value = value;
  23.     }

  24.     @Override
  25.     public Object execute(VirtualFrame frame) {
  26.         return executeBoolean(frame);
  27.     }

  28.     @Override
  29.     public boolean executeBoolean(VirtualFrame frame) {
  30.         return value;
  31.     }

  32.     @Override
  33.     public Object isDefined(VirtualFrame frame) {
  34.         return getContext().makeString(value ? "true" : "false");
  35.     }

  36. }