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

 /*

  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  * 

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  * 

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  * 

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  * 

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 /**

  * JDK-8044798: API for debugging Nashorn

  *

  * @test

  * @run

  */

 // basic API exercise checks

 var Arrays = Java.type("java.util.Arrays");

 var CharArray = Java.type("char[]");

 var DebuggerSupport = Java.type("jdk.nashorn.internal.runtime.DebuggerSupport");

 var DebuggerValueDesc = Java.type("jdk.nashorn.internal.runtime.DebuggerSupport.DebuggerValueDesc");

 var valueDescFields = DebuggerValueDesc.class.declaredFields;

 Arrays.sort(valueDescFields, function(f1, f2) f1.name.compareTo(f2.name));

 var keyField;

 for each (var f in valueDescFields) {

     if (f.name == "key") {

         keyField = f;

     }

     f.accessible = true;

 }

 var debuggerSupportMethods = DebuggerSupport.class.declaredMethods;

 // methods of DebuggerSupport that we use

 var evalMethod, valueInfoMethod, valueInfosMethod;

 var getSourceInfoMethod, valueAsStringMethod;

 for each (var m in debuggerSupportMethods) {

     m.accessible = true;

     switch (m.name) {

         case "eval":

             evalMethod = m;

             break;

         case "valueInfo":

             if (m.parameterCount == 3) {

                 valueInfoMethod = m;

             }

             break;

         case "valueInfos":

             valueInfosMethod = m;

             break;

         case "valueAsString":

             valueAsStringMethod = m;

             break;

         case "getSourceInfo":

             getSourceInfoMethod = m;

             break;

     }

 }

 // eval

 var value = evalMethod.invoke(null, null, null, "33 + 55", false);

 print(value);

 // valueInfo

 var info = valueInfoMethod.invoke(null, "apply", Function, true);

 for each (var f in valueDescFields) {

     print(f.name, "=", f.get(info));

 }

 // valueInfo - user defined object

 var info = valueInfoMethod.invoke(null, "foo", { foo: 343 }, true);

 for each (var f in valueDescFields) {

     print(f.name, "=", f.get(info));

 }

 // valueInfos

 var infos = valueInfosMethod.invoke(null, Object, true);

 Arrays.sort(infos, function (i1, i2) keyField.get(i1).compareTo(keyField.get(i2)));

 for each (var info in infos) {

     for each (var f in valueDescFields) {

         print(f.name, "=", f.get(info));

     }  

 }

 // valueInfos - user defined object

 var infos = valueInfosMethod.invoke(null, { foo: 34, bar: "hello" }, true);

 Arrays.sort(infos, function (i1, i2) keyField.get(i1).compareTo(keyField.get(i2)));

 for each (var info in infos) {

     for each (var f in valueDescFields) {

         print(f.name, "=", f.get(info));

     }  

 }

 // valueAsString

 function printValue(value) {

     print(valueAsStringMethod.invoke(null, value));

 }

 printValue(undefined);

 printValue(null);

 printValue("hello");

 printValue(Math.PI);

 printValue(this);

 // The below are not part of DebuggerSupport. But we need these to

 // test DebuggerSupport.getSourceInfo etc. which need compiled script class

 var Source = Java.type("jdk.nashorn.internal.runtime.Source");

 var Context = Java.type("jdk.nashorn.internal.runtime.Context");

 var sourceCls = Source.class;

 var errorMgrCls = Java.type("jdk.nashorn.internal.runtime.ErrorManager").class;

 var booleanCls = Java.type("java.lang.Boolean").TYPE;

 // private compile method of Context class

 var compileMethod = Context.class.getDeclaredMethod("compile",

                 sourceCls, errorMgrCls, booleanCls);

 compileMethod.accessible = true;

 var scriptCls = compileMethod.invoke(Context.context,

     Source.sourceFor("test", "print('hello')"),

     new Context.ThrowErrorManager(), false);

 var SCRIPT_CLASS_NAME_PREFIX = "jdk.nashorn.internal.scripts.Script$";

 print("script class name pattern satisfied? " +

     scriptCls.name.startsWith(SCRIPT_CLASS_NAME_PREFIX));

 var srcInfo = getSourceInfoMethod.invoke(null, scriptCls);

 var srcInfoFields = srcInfo.class.declaredFields;

 Arrays.sort(srcInfoFields, function(f1, f2) f1.name.compareTo(f2.name));

 print("Source info");

 for each (var f in srcInfoFields) {

     f.accessible = true;

     var fieldValue = f.get(srcInfo);

     if (fieldValue instanceof CharArray) {

         fieldValue = new java.lang.String(fieldValue);

     }

     print(f.name, "=", fieldValue);

 }