| /* |
| * Copyright (c) 2017, 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. |
| */ |
| |
| /** |
| * Test that Unary minus and plus uses UNARY_MINUS and UNARY_PLUS node Kind |
| * |
| * @test |
| * @bug 8185252 |
| * @option -scripting |
| * @run |
| */ |
| |
| var parser = Java.type('jdk.nashorn.api.tree.Parser'); |
| var tree = Java.type('jdk.nashorn.api.tree.Tree'); |
| var list = Java.type('java.util.List'); |
| var visitor = Java.type('jdk.nashorn.api.tree.SimpleTreeVisitorES5_1'); |
| var cls = Java.type('java.lang.Class') |
| |
| function convert (value) { |
| if (!value || typeof(value) != 'object') { |
| return value; |
| } |
| var obj = Object.bindProperties({}, value) |
| var result = {} |
| for (var i in obj) { |
| if (i == "lineMap") { |
| continue; |
| } |
| |
| var val = obj[i] |
| // skip these ES6 specific properties to reduce noise |
| // in the output - unless there were set to true |
| if (typeof(val) == 'boolean' && val == false) { |
| switch (i) { |
| case "computed": |
| case "static": |
| case "restParameter": |
| case "this": |
| case "super": |
| case "star": |
| case "default": |
| case "starDefaultStar": |
| case "arrow": |
| case "generator": |
| case "let": |
| case "const": |
| continue; |
| } |
| } |
| |
| if (typeof(val) == 'object') { |
| if (val instanceof cls) { |
| continue; |
| } |
| if (val instanceof tree) { |
| result[i] = convert(val) |
| } |
| else if (val instanceof list) { |
| var lst = [] |
| for (var j in val) { |
| lst.push(convert(val[j])) |
| } |
| result[i] = lst |
| } |
| else { |
| result[i] = String(val) |
| } |
| } else if (typeof(val) != 'function') { |
| result[i] = String(val) |
| } |
| } |
| return result |
| } |
| |
| function parse(name, code, args, visitor, listener) { |
| var tree = parser.create(args).parse(name, code, listener || null) |
| var results = [] |
| tree.accept(visitor, results) |
| print(JSON.stringify(results, null, 2)) |
| } |
| |
| |
| var code = <<EOF |
| |
| +1; |
| -1; |
| |
| EOF |
| |
| parse("JDK-8185252.js", code, "-nse", new (Java.extend(visitor, { |
| visitUnary: function (node, obj) { |
| obj.push(convert(node)) |
| } |
| }))) |