1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * Test that Unary minus and plus uses UNARY_MINUS and UNARY_PLUS node Kind 26 * 27 * @test 28 * @bug 8185252 29 * @option -scripting 30 * @run 31 */ 32 33 var parser = Java.type('jdk.nashorn.api.tree.Parser'); 34 var tree = Java.type('jdk.nashorn.api.tree.Tree'); 35 var list = Java.type('java.util.List'); 36 var visitor = Java.type('jdk.nashorn.api.tree.SimpleTreeVisitorES5_1'); 37 var cls = Java.type('java.lang.Class') 38 39 function convert (value) { 40 if (!value || typeof(value) != 'object') { 41 return value; 42 } 43 var obj = Object.bindProperties({}, value) 44 var result = {} 45 for (var i in obj) { 46 if (i == "lineMap") { 47 continue; 48 } 49 50 var val = obj[i] 51 // skip these ES6 specific properties to reduce noise 52 // in the output - unless there were set to true 53 if (typeof(val) == 'boolean' && val == false) { 54 switch (i) { 55 case "computed": 56 case "static": 57 case "restParameter": 58 case "this": 59 case "super": 60 case "star": 61 case "default": 62 case "starDefaultStar": 63 case "arrow": 64 case "generator": 65 case "let": 66 case "const": 67 continue; 68 } 69 } 70 71 if (typeof(val) == 'object') { 72 if (val instanceof cls) { 73 continue; 74 } 75 if (val instanceof tree) { 76 result[i] = convert(val) 77 } 78 else if (val instanceof list) { 79 var lst = [] 80 for (var j in val) { 81 lst.push(convert(val[j])) 82 } 83 result[i] = lst 84 } 85 else { 86 result[i] = String(val) 87 } 88 } else if (typeof(val) != 'function') { 89 result[i] = String(val) 90 } 91 } 92 return result 93 } 94 95 function parse(name, code, args, visitor, listener) { 96 var tree = parser.create(args).parse(name, code, listener || null) 97 var results = [] 98 tree.accept(visitor, results) 99 print(JSON.stringify(results, null, 2)) 100 } 101 102 103 var code = <<EOF 104 105 +1; 106 -1; 107 108 EOF 109 110 parse("JDK-8185252.js", code, "-nse", new (Java.extend(visitor, { 111 visitUnary: function (node, obj) { 112 obj.push(convert(node)) 113 } 114 })))