20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nashorn.api.tree;
  27 
  28 /**
  29  *  A tree node for <a href="http://www.ecma-international.org/ecma-262/6.0/#sec-generator-function-definitions">yield expressions</a> used in generator functions.
  30  *
  31  * For example:
  32  * <pre>
  33  * <em>function*</em> id(){
  34  *     var index = 0;
  35  *     while(index &lt; 10)
  36  *         <em>yield index++;</em>
  37  * }
  38  * </pre>
  39  *



  40  * @since 9
  41  */

  42 public interface YieldTree extends ExpressionTree {
  43     /**
  44      * Returns the expression that is yielded.
  45      *
  46      * @return The expression that is yielded.
  47      */
  48     ExpressionTree getExpression();
  49 
  50     /**
  51      * Is this a yield * expression in a generator function?
  52      *
  53      * For example:
  54      * <pre>
  55      * function* id(){
  56      *     yield 1;
  57      *     <em>yield * anotherGeneratorFunc();</em>
  58      *     yield 10;
  59      * }
  60      * </pre>
  61      *

  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nashorn.api.tree;
  27 
  28 /**
  29  *  A tree node for <a href="http://www.ecma-international.org/ecma-262/6.0/#sec-generator-function-definitions">yield expressions</a> used in generator functions.
  30  *
  31  * For example:
  32  * <pre>
  33  * <em>function*</em> id(){
  34  *     var index = 0;
  35  *     while(index &lt; 10)
  36  *         <em>yield index++;</em>
  37  * }
  38  * </pre>
  39  *
  40  * @deprecated Nashorn JavaScript script engine and APIs, and the jjs tool
  41  * are deprecated with the intent to remove them in a future release.
  42  *
  43  * @since 9
  44  */
  45 @Deprecated(since="11", forRemoval=true)
  46 public interface YieldTree extends ExpressionTree {
  47     /**
  48      * Returns the expression that is yielded.
  49      *
  50      * @return The expression that is yielded.
  51      */
  52     ExpressionTree getExpression();
  53 
  54     /**
  55      * Is this a yield * expression in a generator function?
  56      *
  57      * For example:
  58      * <pre>
  59      * function* id(){
  60      *     yield 1;
  61      *     <em>yield * anotherGeneratorFunc();</em>
  62      *     yield 10;
  63      * }
  64      * </pre>
  65      *