29 import javax.script.Invocable;
  30 import javax.script.ScriptContext;
  31 import javax.script.ScriptEngine;
  32 import javax.script.ScriptEngineManager;
  33 import javax.script.ScriptException;
  34 import sun.jvm.hotspot.debugger.*;
  35 import sun.jvm.hotspot.oops.*;
  36 import sun.jvm.hotspot.runtime.*;
  37 import sun.jvm.hotspot.utilities.*;
  38 import sun.jvm.hotspot.tools.*;
  39 import sun.jvm.hotspot.tools.jcore.*;
  40 import java.lang.reflect.Method;
  41 import java.lang.reflect.Modifier;
  42 
  43 /**
  44  * Simple wrapper around jsr-223 JavaScript script engine.
  45  * In addition to wrapping useful functionality of jsr-223 engine,
  46  * this class exposed certain "global" functions to the script.
  47  */
  48 public abstract class JSJavaScriptEngine extends MapScriptObject {











  49     /**
  50      * Start a read-eval-print loop with this engine.
  51      */
  52     public void startConsole() {
  53       start(true);
  54     }
  55 
  56     /**
  57      * Initialize the engine so that we can "eval" strings
  58      * and files later.
  59      */
  60     public void start() {
  61       start(false);
  62     }
  63 
  64     /**
  65      * Define a global function that invokes given Method.
  66      */
  67     public void defineFunction(Object target, Method method) {
  68       putFunction(target, method, false);

  29 import javax.script.Invocable;
  30 import javax.script.ScriptContext;
  31 import javax.script.ScriptEngine;
  32 import javax.script.ScriptEngineManager;
  33 import javax.script.ScriptException;
  34 import sun.jvm.hotspot.debugger.*;
  35 import sun.jvm.hotspot.oops.*;
  36 import sun.jvm.hotspot.runtime.*;
  37 import sun.jvm.hotspot.utilities.*;
  38 import sun.jvm.hotspot.tools.*;
  39 import sun.jvm.hotspot.tools.jcore.*;
  40 import java.lang.reflect.Method;
  41 import java.lang.reflect.Modifier;
  42 
  43 /**
  44  * Simple wrapper around jsr-223 JavaScript script engine.
  45  * In addition to wrapping useful functionality of jsr-223 engine,
  46  * this class exposed certain "global" functions to the script.
  47  */
  48 public abstract class JSJavaScriptEngine extends MapScriptObject {
  49 
  50     private static native Module getEveryoneModule();
  51 
  52     // Open all packages in jdk.hotspot.agent to all modules.
  53     static{
  54       var everyoneModule = getEveryoneModule();
  55       var saModule = JSJavaScriptEngine.class.getModule();
  56       saModule.getPackages()
  57               .forEach(p -> saModule.addOpens(p, everyoneModule));
  58     }
  59 
  60     /**
  61      * Start a read-eval-print loop with this engine.
  62      */
  63     public void startConsole() {
  64       start(true);
  65     }
  66 
  67     /**
  68      * Initialize the engine so that we can "eval" strings
  69      * and files later.
  70      */
  71     public void start() {
  72       start(false);
  73     }
  74 
  75     /**
  76      * Define a global function that invokes given Method.
  77      */
  78     public void defineFunction(Object target, Method method) {
  79       putFunction(target, method, false);