aoqi@0: /*
aoqi@0:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
attila@962:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
attila@962:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * JDK-8044798: API for debugging Nashorn
aoqi@0:  *
aoqi@0:  * @test
sundar@1053:  * @option -Dnashorn.mirror.always=false
sundar@1053:  * @fork
aoqi@0:  * @run
aoqi@0:  */
aoqi@0: 
aoqi@0: // basic API exercise checks
aoqi@0: 
aoqi@0: var Arrays = Java.type("java.util.Arrays");
aoqi@0: var CharArray = Java.type("char[]");
aoqi@0: var DebuggerSupport = Java.type("jdk.nashorn.internal.runtime.DebuggerSupport");
aoqi@0: var DebuggerValueDesc = Java.type("jdk.nashorn.internal.runtime.DebuggerSupport.DebuggerValueDesc");
aoqi@0: 
aoqi@0: var valueDescFields = DebuggerValueDesc.class.declaredFields;
aoqi@0: Arrays.sort(valueDescFields, function(f1, f2) f1.name.compareTo(f2.name));
aoqi@0: for each (var f in valueDescFields) {
aoqi@0:     f.accessible = true;
aoqi@0: }
aoqi@0: 
aoqi@0: var debuggerSupportMethods = DebuggerSupport.class.declaredMethods;
aoqi@0: 
aoqi@0: // methods of DebuggerSupport that we use
aoqi@0: var evalMethod, valueInfoMethod, valueInfosMethod;
aoqi@0: var getSourceInfoMethod, valueAsStringMethod;
aoqi@0: 
aoqi@0: for each (var m in debuggerSupportMethods) {
aoqi@0:     m.accessible = true;
aoqi@0:     switch (m.name) {
aoqi@0:         case "eval":
aoqi@0:             evalMethod = m;
aoqi@0:             break;
aoqi@0:         case "valueInfo":
aoqi@0:             if (m.parameterCount == 3) {
aoqi@0:                 valueInfoMethod = m;
aoqi@0:             }
aoqi@0:             break;
aoqi@0:         case "valueInfos":
aoqi@0:             valueInfosMethod = m;
aoqi@0:             break;
aoqi@0:         case "valueAsString":
aoqi@0:             valueAsStringMethod = m;
aoqi@0:             break;
aoqi@0:         case "getSourceInfo":
aoqi@0:             getSourceInfoMethod = m;
aoqi@0:             break;
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // eval
aoqi@0: var value = evalMethod.invoke(null, null, null, "33 + 55", false);
aoqi@0: print(value);
aoqi@0: 
aoqi@0: // valueInfo
aoqi@0: var info = valueInfoMethod.invoke(null, "apply", Function, true);
aoqi@0: for each (var f in valueDescFields) {
aoqi@0:     print(f.name, "=", f.get(info));
aoqi@0: }
aoqi@0: 
aoqi@0: // valueInfo - user defined object
aoqi@0: var info = valueInfoMethod.invoke(null, "foo", { foo: 343 }, true);
aoqi@0: for each (var f in valueDescFields) {
aoqi@0:     print(f.name, "=", f.get(info));
aoqi@0: }
aoqi@0: 
aoqi@0: // valueInfos
aoqi@0: var infos = valueInfosMethod.invoke(null, Object, true);
aoqi@0: for each (var info in infos) {
aoqi@0:     for each (var f in valueDescFields) {
aoqi@0:         print(f.name, "=", f.get(info));
attila@962:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // valueInfos - user defined object
aoqi@0: var infos = valueInfosMethod.invoke(null, { foo: 34, bar: "hello" }, true);
aoqi@0: for each (var info in infos) {
aoqi@0:     for each (var f in valueDescFields) {
aoqi@0:         print(f.name, "=", f.get(info));
attila@962:     }
aoqi@0: }
aoqi@0: 
aoqi@0: // valueAsString
aoqi@0: function printValue(value) {
aoqi@0:     print(valueAsStringMethod.invoke(null, value));
aoqi@0: }
aoqi@0: 
aoqi@0: printValue(undefined);
aoqi@0: printValue(null);
aoqi@0: printValue("hello");
aoqi@0: printValue(Math.PI);
aoqi@0: printValue(this);
aoqi@0: 
aoqi@0: // The below are not part of DebuggerSupport. But we need these to
aoqi@0: // test DebuggerSupport.getSourceInfo etc. which need compiled script class
aoqi@0: 
aoqi@0: var Source = Java.type("jdk.nashorn.internal.runtime.Source");
aoqi@0: var Context = Java.type("jdk.nashorn.internal.runtime.Context");
aoqi@0: var sourceCls = Source.class;
aoqi@0: var errorMgrCls = Java.type("jdk.nashorn.internal.runtime.ErrorManager").class;
aoqi@0: var booleanCls = Java.type("java.lang.Boolean").TYPE;
aoqi@0: 
aoqi@0: // private compile method of Context class
aoqi@0: var compileMethod = Context.class.getDeclaredMethod("compile",
aoqi@0:                 sourceCls, errorMgrCls, booleanCls);
aoqi@0: compileMethod.accessible = true;
aoqi@0: 
aoqi@0: var scriptCls = compileMethod.invoke(Context.context,
aoqi@0:     Source.sourceFor("test", "print('hello')"),
aoqi@0:     new Context.ThrowErrorManager(), false);
aoqi@0: 
aoqi@0: var SCRIPT_CLASS_NAME_PREFIX = "jdk.nashorn.internal.scripts.Script$";
aoqi@0: print("script class name pattern satisfied? " +
aoqi@0:     scriptCls.name.startsWith(SCRIPT_CLASS_NAME_PREFIX));
aoqi@0: 
aoqi@0: var srcInfo = getSourceInfoMethod.invoke(null, scriptCls);
aoqi@0: var srcInfoFields = srcInfo.class.declaredFields;
aoqi@0: Arrays.sort(srcInfoFields, function(f1, f2) f1.name.compareTo(f2.name));
aoqi@0: 
aoqi@0: print("Source info");
aoqi@0: for each (var f in srcInfoFields) {
aoqi@0:     f.accessible = true;
aoqi@0:     var fieldValue = f.get(srcInfo);
aoqi@0:     if (fieldValue instanceof CharArray) {
aoqi@0:         fieldValue = new java.lang.String(fieldValue);
aoqi@0:     }
aoqi@0: 
aoqi@0:     print(f.name, "=", fieldValue);
aoqi@0: }