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/*
* 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));
for each (var f in valueDescFields) {
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);
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 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);
}
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