| /* |
| * 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 |
| * @option -Dnashorn.mirror.always=false |
| * @fork |
| */ |
| |
| // basic API exercise checks |
| |
| var Arrays = Java.type("java.util.Arrays"); |
| var CharArray = Java.type("char[]"); |
| var Reflector = Java.type("jdk.nashorn.test.models.Reflector"); |
| 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)); |
| for each (var f in valueDescFields) { |
| Reflector.setAccessible(f); |
| } |
| |
| var debuggerSupportMethods = DebuggerSupport.class.declaredMethods; |
| |
| // methods of DebuggerSupport that we use |
| var evalMethod, valueInfoMethod, valueInfosMethod; |
| var getSourceInfoMethod, valueAsStringMethod; |
| |
| for each (var m in debuggerSupportMethods) { |
| Reflector.setAccessible(m); |
| 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); |
| 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); |
| 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 ThrowErrorManager = Java.type("jdk.nashorn.internal.runtime.Context.ThrowErrorManager"); |
| var contextCls = java.lang.Class.forName("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; |
| var stringCls = Java.type("java.lang.String").class; |
| |
| // private compile method of Context class |
| var compileMethod = contextCls.getDeclaredMethod("compile", |
| sourceCls, errorMgrCls, booleanCls, booleanCls); |
| Reflector.setAccessible(compileMethod); |
| |
| var getContextMethod = contextCls.getMethod("getContext"); |
| Reflector.setAccessible(getContextMethod); |
| |
| var sourceForMethod = sourceCls.getMethod("sourceFor", stringCls, stringCls); |
| var scriptCls = compileMethod.invoke(getContextMethod.invoke(null), |
| sourceForMethod.invoke(null, "test", "print('hello')"), |
| ThrowErrorManager.class.newInstance(), false, 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) { |
| Reflector.setAccessible(f); |
| var fieldValue = f.get(srcInfo); |
| if (fieldValue instanceof CharArray) { |
| fieldValue = new java.lang.String(fieldValue); |
| } |
| |
| print(f.name, "=", fieldValue); |
| } |