Mercurial > jdk8-mips64-public > nashorn / changeset
changeset
Merge
Wed, 14 May 2014 11:02:04 -0700
- author
- lana
- date
- Wed, 14 May 2014 11:02:04 -0700
- changeset 852
- bb2d11667547
- parent 843
- fc45fab1b91c
- parent 851
- 41be00d23622
- child 853
- c89a4945404c
- child 855
- ffdb43036807
- child 886
- 90c4833e0f87
Merge
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/samples/BufferArray.java Wed May 14 11:02:04 2014 -0700 1.3 @@ -0,0 +1,110 @@ 1.4 +/* 1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 1.6 + * 1.7 + * Redistribution and use in source and binary forms, with or without 1.8 + * modification, are permitted provided that the following conditions 1.9 + * are met: 1.10 + * 1.11 + * - Redistributions of source code must retain the above copyright 1.12 + * notice, this list of conditions and the following disclaimer. 1.13 + * 1.14 + * - Redistributions in binary form must reproduce the above copyright 1.15 + * notice, this list of conditions and the following disclaimer in the 1.16 + * documentation and/or other materials provided with the distribution. 1.17 + * 1.18 + * - Neither the name of Oracle nor the names of its 1.19 + * contributors may be used to endorse or promote products derived 1.20 + * from this software without specific prior written permission. 1.21 + * 1.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 1.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 1.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 1.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 1.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 1.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 1.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 1.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 1.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 1.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.33 + */ 1.34 + 1.35 +import jdk.nashorn.api.scripting.AbstractJSObject; 1.36 +import java.nio.DoubleBuffer; 1.37 + 1.38 +/** 1.39 + * Simple class demonstrating pluggable script object 1.40 + * implementation. By implementing jdk.nashorn.api.scripting.JSObject 1.41 + * (or extending AbstractJSObject which implements it), you 1.42 + * can supply a friendly script object. Nashorn will call 1.43 + * 'magic' methods on such a class on 'obj.foo, obj.foo = 33, 1.44 + * obj.bar()' etc. from script. 1.45 + * 1.46 + * In this example, Java nio DoubleBuffer object is wrapped 1.47 + * as a friendly script object that provides indexed acces 1.48 + * to buffer content and also support array-like "length" 1.49 + * readonly property to retrieve buffer's capacity. This class 1.50 + * also demonstrates a function valued property called "buf". 1.51 + * On 'buf' method, we return the underlying nio buffer object 1.52 + * that is being wrapped. 1.53 + */ 1.54 +public class BufferArray extends AbstractJSObject { 1.55 + // underlying nio buffer 1.56 + private final DoubleBuffer buf; 1.57 + 1.58 + public BufferArray(int size) { 1.59 + buf = DoubleBuffer.allocate(size); 1.60 + } 1.61 + 1.62 + public BufferArray(DoubleBuffer buf) { 1.63 + this.buf = buf; 1.64 + } 1.65 + 1.66 + // called to check if indexed property exists 1.67 + @Override 1.68 + public boolean hasSlot(int index) { 1.69 + return index > 0 && index < buf.capacity(); 1.70 + } 1.71 + 1.72 + // get the value from that index 1.73 + @Override 1.74 + public Object getSlot(int index) { 1.75 + return buf.get(index); 1.76 + } 1.77 + 1.78 + // set the value at that index 1.79 + @Override 1.80 + public void setSlot(int index, Object value) { 1.81 + buf.put(index, ((Number)value).doubleValue()); 1.82 + } 1.83 + 1.84 + // do you have a property of that given name? 1.85 + @Override 1.86 + public boolean hasMember(String name) { 1.87 + return "length".equals(name) || "buf".equals(name); 1.88 + } 1.89 + 1.90 + // get the value of that named property 1.91 + @Override 1.92 + public Object getMember(String name) { 1.93 + switch (name) { 1.94 + case "length": 1.95 + return buf.capacity(); 1.96 + case "buf": 1.97 + // return a 'function' value for this property 1.98 + return new AbstractJSObject() { 1.99 + @Override 1.100 + public Object call(Object thiz, Object... args) { 1.101 + return BufferArray.this.buf; 1.102 + } 1.103 + 1.104 + // yes, I'm a function ! 1.105 + @Override 1.106 + public boolean isFunction() { 1.107 + return true; 1.108 + } 1.109 + }; 1.110 + } 1.111 + return null; 1.112 + } 1.113 +}
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/samples/CastExample.java Wed May 14 11:02:04 2014 -0700 2.3 @@ -0,0 +1,38 @@ 2.4 +/* 2.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 2.6 + * 2.7 + * Redistribution and use in source and binary forms, with or without 2.8 + * modification, are permitted provided that the following conditions 2.9 + * are met: 2.10 + * 2.11 + * - Redistributions of source code must retain the above copyright 2.12 + * notice, this list of conditions and the following disclaimer. 2.13 + * 2.14 + * - Redistributions in binary form must reproduce the above copyright 2.15 + * notice, this list of conditions and the following disclaimer in the 2.16 + * documentation and/or other materials provided with the distribution. 2.17 + * 2.18 + * - Neither the name of Oracle nor the names of its 2.19 + * contributors may be used to endorse or promote products derived 2.20 + * from this software without specific prior written permission. 2.21 + * 2.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 2.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 2.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 2.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2.33 + */ 2.34 + 2.35 +// Simple java example with type casts. 2.36 +// see javacastcounter.js. 2.37 + 2.38 +class CastExample { 2.39 + public final static int I = (int)23.33; 2.40 + public final String str = (String)"hello"; 2.41 +}
3.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 3.2 +++ b/samples/README Wed May 14 11:02:04 2014 -0700 3.3 @@ -0,0 +1,1 @@ 3.4 +Simple Nashorn examples that can be run with "jjs" tool.
4.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 4.2 +++ b/samples/array_mapreduce.js Wed May 14 11:02:04 2014 -0700 4.3 @@ -0,0 +1,78 @@ 4.4 +/* 4.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 4.6 + * 4.7 + * Redistribution and use in source and binary forms, with or without 4.8 + * modification, are permitted provided that the following conditions 4.9 + * are met: 4.10 + * 4.11 + * - Redistributions of source code must retain the above copyright 4.12 + * notice, this list of conditions and the following disclaimer. 4.13 + * 4.14 + * - Redistributions in binary form must reproduce the above copyright 4.15 + * notice, this list of conditions and the following disclaimer in the 4.16 + * documentation and/or other materials provided with the distribution. 4.17 + * 4.18 + * - Neither the name of Oracle nor the names of its 4.19 + * contributors may be used to endorse or promote products derived 4.20 + * from this software without specific prior written permission. 4.21 + * 4.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 4.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 4.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 4.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 4.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 4.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 4.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 4.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 4.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 4.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 4.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 4.33 + */ 4.34 + 4.35 +// Usage: jjs array_mapreduce.js 4.36 + 4.37 +// Many Array.prototype functions such as map, 4.38 +// filter, reduce, reduceRight, every, some are generic. 4.39 +// These functions accept ECMAScript array as well as 4.40 +// many array-like objects including java arrays. 4.41 +// So, you can do map/filter/reduce with Java streams or 4.42 +// you can also use Array.prototype functions as below. 4.43 +// See also http://en.wikipedia.org/wiki/MapReduce 4.44 + 4.45 +var DoubleArray = Java.type("double[]"); 4.46 +var StringArray = Java.type("java.lang.String[]"); 4.47 + 4.48 +var map = Array.prototype.map; 4.49 +var filter = Array.prototype.filter; 4.50 +var reduce = Array.prototype.reduce; 4.51 + 4.52 +var jarr = new StringArray(5); 4.53 +jarr[0] = "nashorn"; 4.54 +jarr[1] = "ecmascript"; 4.55 +jarr[2] = "javascript"; 4.56 +jarr[3] = "js"; 4.57 +jarr[4] = "scheme"; 4.58 + 4.59 +// sum of word lengths 4.60 +print("Sum word length:", 4.61 + reduce.call( 4.62 + map.call(jarr, function(x) x.length), 4.63 + function(x, y) x + y) 4.64 +); 4.65 + 4.66 +// another array example involving numbers 4.67 +jarr = new DoubleArray(10); 4.68 +// make random array of numbers 4.69 +for (var i = 0; i < jarr.length; i++) 4.70 + jarr[i] = Math.random(); 4.71 + 4.72 +var forEach = Array.prototype.forEach; 4.73 +// print numbers in the array 4.74 +forEach.call(jarr, function(x) print(x)); 4.75 + 4.76 +// print sum of squares of the random numbers 4.77 +print("Square sum:", 4.78 + reduce.call( 4.79 + map.call(jarr, function(x) x*x), 4.80 + function(x, y) x + y) 4.81 +);
5.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 5.2 +++ b/samples/astviewer.js Wed May 14 11:02:04 2014 -0700 5.3 @@ -0,0 +1,98 @@ 5.4 +#// Usage: jjs -scripting -fx astviewer.js -- <scriptfile> 5.5 + 5.6 +/* 5.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 5.8 + * 5.9 + * Redistribution and use in source and binary forms, with or without 5.10 + * modification, are permitted provided that the following conditions 5.11 + * are met: 5.12 + * 5.13 + * - Redistributions of source code must retain the above copyright 5.14 + * notice, this list of conditions and the following disclaimer. 5.15 + * 5.16 + * - Redistributions in binary form must reproduce the above copyright 5.17 + * notice, this list of conditions and the following disclaimer in the 5.18 + * documentation and/or other materials provided with the distribution. 5.19 + * 5.20 + * - Neither the name of Oracle nor the names of its 5.21 + * contributors may be used to endorse or promote products derived 5.22 + * from this software without specific prior written permission. 5.23 + * 5.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 5.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 5.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 5.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 5.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 5.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 5.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 5.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 5.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 5.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 5.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 5.35 + */ 5.36 + 5.37 +if (!$OPTIONS._fx) { 5.38 + print("Usage: jjs -scripting -fx astviewer.js -- <.js file>"); 5.39 + exit(1); 5.40 +} 5.41 + 5.42 +// Using JavaFX from Nashorn. See also: 5.43 +// http://docs.oracle.com/javase/8/docs/technotes/guides/scripting/nashorn/javafx.html 5.44 + 5.45 +// This example shows AST of a script file as a JavaFX 5.46 +// tree view in a window. If no file is specified, AST of 5.47 +// this script file is shown. This script demonstrates 5.48 +// 'load' function, JavaFX support by -fx, readFully function 5.49 +// in scripting mode. 5.50 + 5.51 +// JavaFX classes used 5.52 +var StackPane = Java.type("javafx.scene.layout.StackPane"); 5.53 +var Scene = Java.type("javafx.scene.Scene"); 5.54 +var TreeItem = Java.type("javafx.scene.control.TreeItem"); 5.55 +var TreeView = Java.type("javafx.scene.control.TreeView"); 5.56 + 5.57 +// Create a javafx TreeItem to view a AST node 5.58 +function treeItemForASTNode(ast, name) { 5.59 + var item = new TreeItem(name); 5.60 + for (var prop in ast) { 5.61 + var node = ast[prop]; 5.62 + if (typeof node == 'object') { 5.63 + if (node == null) { 5.64 + // skip nulls 5.65 + continue; 5.66 + } 5.67 + 5.68 + if (Array.isArray(node) && node.length == 0) { 5.69 + // skip empty arrays 5.70 + continue; 5.71 + } 5.72 + 5.73 + var subitem = treeItemForASTNode(node, prop); 5.74 + } else { 5.75 + var subitem = new TreeItem(prop + ": " + node); 5.76 + } 5.77 + item.children.add(subitem); 5.78 + } 5.79 + return item; 5.80 +} 5.81 + 5.82 +// do we have a script file passed? if not, use current script 5.83 +var sourceName = arguments.length == 0? __FILE__ : arguments[0]; 5.84 + 5.85 +// load parser.js from nashorn resources 5.86 +load("nashorn:parser.js"); 5.87 + 5.88 +// read the full content of the file and parse it 5.89 +// to get AST of the script specified 5.90 +var ast = parse(readFully(sourceName)); 5.91 + 5.92 +// JavaFX start method 5.93 +function start(stage) { 5.94 + stage.title = "AST Viewer"; 5.95 + var rootItem = treeItemForASTNode(ast, sourceName); 5.96 + var tree = new TreeView(rootItem); 5.97 + var root = new StackPane(); 5.98 + root.children.add(tree); 5.99 + stage.scene = new Scene(root, 300, 450); 5.100 + stage.show(); 5.101 +}
6.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 6.2 +++ b/samples/barchart_weather.js Wed May 14 11:02:04 2014 -0700 6.3 @@ -0,0 +1,116 @@ 6.4 +#// Usage: jjs -fx barchart_weather.js 6.5 + 6.6 +/* 6.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 6.8 + * 6.9 + * Redistribution and use in source and binary forms, with or without 6.10 + * modification, are permitted provided that the following conditions 6.11 + * are met: 6.12 + * 6.13 + * - Redistributions of source code must retain the above copyright 6.14 + * notice, this list of conditions and the following disclaimer. 6.15 + * 6.16 + * - Redistributions in binary form must reproduce the above copyright 6.17 + * notice, this list of conditions and the following disclaimer in the 6.18 + * documentation and/or other materials provided with the distribution. 6.19 + * 6.20 + * - Neither the name of Oracle nor the names of its 6.21 + * contributors may be used to endorse or promote products derived 6.22 + * from this software without specific prior written permission. 6.23 + * 6.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 6.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 6.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 6.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 6.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 6.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 6.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 6.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 6.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 6.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 6.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 6.35 + */ 6.36 + 6.37 +// Example that retrieves weather data from a URL in JSON 6.38 +// format and draws bar chart using JavaFX 6.39 + 6.40 +// -fx check 6.41 +if (! $OPTIONS._fx) { 6.42 + print("Usage: jjs -fx barchart_weather.js"); 6.43 + exit(1); 6.44 +} 6.45 + 6.46 +// Java classes used 6.47 +var URL = Java.type("java.net.URL"); 6.48 +var BufferedReader = Java.type("java.io.BufferedReader"); 6.49 +var InputStreamReader = Java.type("java.io.InputStreamReader"); 6.50 + 6.51 +// function to retrieve text content of the given URL 6.52 +function readTextFromURL(url) { 6.53 + var str = ''; 6.54 + var u = new URL(url); 6.55 + var reader = new BufferedReader( 6.56 + new InputStreamReader(u.openStream())); 6.57 + try { 6.58 + reader.lines().forEach(function(x) str += x); 6.59 + return str; 6.60 + } finally { 6.61 + reader.close(); 6.62 + } 6.63 +} 6.64 + 6.65 +// change URL for your city here! 6.66 +var url = "http://api.openweathermap.org/data/2.5/forecast?q=chennai,india&units=metric&mode=json"; 6.67 + 6.68 +// download JSON document and parse 6.69 +var json = readTextFromURL(url); 6.70 +var weather = JSON.parse(json); 6.71 + 6.72 +// View JSON of this using site such as http://www.jsoneditoronline.org/ to know 6.73 +// about the JSON data format used by this site 6.74 + 6.75 +// Extracted data from the json object 6.76 +var temp = weather.list.map(function(x) x.main.temp); 6.77 +var temp_min = weather.list.map(function(x) x.main.temp_min); 6.78 +var temp_max = weather.list.map(function(x) x.main.temp_max); 6.79 +var date = weather.list.map(function(x) x.dt_txt); 6.80 + 6.81 +// JavaFX classes used 6.82 +var Scene = Java.type("javafx.scene.Scene"); 6.83 +var BarChart = Java.type("javafx.scene.chart.BarChart"); 6.84 +var CategoryAxis = Java.type("javafx.scene.chart.CategoryAxis"); 6.85 +var NumberAxis = Java.type("javafx.scene.chart.NumberAxis"); 6.86 +var XYChart = Java.type("javafx.scene.chart.XYChart"); 6.87 + 6.88 +function start(stage) { 6.89 + stage.title="Chennai Weather Bar Chart"; 6.90 + var xAxis = new CategoryAxis(); 6.91 + xAxis.label = "date/time"; 6.92 + var yAxis = new NumberAxis(); 6.93 + yAxis.label = "temp in C"; 6.94 + var bc = new BarChart(xAxis, yAxis); 6.95 + 6.96 + // 3 bars per datetime item - temp, min temp and max temp 6.97 + var s1 = new XYChart.Series(); 6.98 + s1.name = "temp"; 6.99 + for (d in date) { 6.100 + s1.data.add(new XYChart.Data(date[d], temp[d])); 6.101 + } 6.102 + 6.103 + var s2 = new XYChart.Series(); 6.104 + s2.name = "min temp"; 6.105 + for (d in date) { 6.106 + s2.data.add(new XYChart.Data(date[d], temp_min[d])); 6.107 + } 6.108 + 6.109 + var s3 = new XYChart.Series(); 6.110 + s3.name = "max temp"; 6.111 + for (d in date) { 6.112 + s3.data.add(new XYChart.Data(date[d], temp_max[d])); 6.113 + } 6.114 + 6.115 + bc.data.addAll(s1, s2, s3); 6.116 + 6.117 + stage.scene = new Scene(bc, 800, 600); 6.118 + stage.show(); 6.119 +}
7.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 7.2 +++ b/samples/call_lambda.js Wed May 14 11:02:04 2014 -0700 7.3 @@ -0,0 +1,45 @@ 7.4 +/* 7.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 7.6 + * 7.7 + * Redistribution and use in source and binary forms, with or without 7.8 + * modification, are permitted provided that the following conditions 7.9 + * are met: 7.10 + * 7.11 + * - Redistributions of source code must retain the above copyright 7.12 + * notice, this list of conditions and the following disclaimer. 7.13 + * 7.14 + * - Redistributions in binary form must reproduce the above copyright 7.15 + * notice, this list of conditions and the following disclaimer in the 7.16 + * documentation and/or other materials provided with the distribution. 7.17 + * 7.18 + * - Neither the name of Oracle nor the names of its 7.19 + * contributors may be used to endorse or promote products derived 7.20 + * from this software without specific prior written permission. 7.21 + * 7.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 7.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 7.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 7.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 7.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 7.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 7.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 7.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 7.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 7.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 7.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 7.33 + */ 7.34 + 7.35 +// nashorn allows you treat every Java8 lambda as a function 7.36 + 7.37 +var JFunction = Java.type("java.util.function.Function"); 7.38 +var obj = new JFunction() { 7.39 + apply: function(x) { 7.40 + print(x + ", lambda"); 7.41 + } 7.42 +}; 7.43 + 7.44 +// prints 'function' 7.45 +print(typeof obj); 7.46 + 7.47 +// call it! 7.48 +obj("hello");
8.1 --- a/samples/counters.js Tue May 13 23:18:50 2014 -0700 8.2 +++ b/samples/counters.js Wed May 14 11:02:04 2014 -0700 8.3 @@ -1,5 +1,5 @@ 8.4 /* 8.5 - * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 8.6 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 8.7 * 8.8 * Redistribution and use in source and binary forms, with or without 8.9 * modification, are permitted provided that the following conditions 8.10 @@ -33,7 +33,11 @@ 8.11 * This file can be run along with any script you want to run 8.12 * to print aggregate stat counters from nashorn. 8.13 * 8.14 - * Usage: jjs <your-file.js> counters.js 8.15 + * Usage: jjs -J-Dnashorn.debug <your-file.js> counters.js 8.16 */ 8.17 8.18 -Debug.dumpCounters(); 8.19 +if (java.lang.System.getProperty("nashorn.debug") == null) { 8.20 + print("Usage: jjs -J-Dnashorn.debug <your-file.js> counters.js"); 8.21 +} else { 8.22 + Debug.dumpCounters(); 8.23 +}
9.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 9.2 +++ b/samples/dirname.js Wed May 14 11:02:04 2014 -0700 9.3 @@ -0,0 +1,36 @@ 9.4 +/* 9.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 9.6 + * 9.7 + * Redistribution and use in source and binary forms, with or without 9.8 + * modification, are permitted provided that the following conditions 9.9 + * are met: 9.10 + * 9.11 + * - Redistributions of source code must retain the above copyright 9.12 + * notice, this list of conditions and the following disclaimer. 9.13 + * 9.14 + * - Redistributions in binary form must reproduce the above copyright 9.15 + * notice, this list of conditions and the following disclaimer in the 9.16 + * documentation and/or other materials provided with the distribution. 9.17 + * 9.18 + * - Neither the name of Oracle nor the names of its 9.19 + * contributors may be used to endorse or promote products derived 9.20 + * from this software without specific prior written permission. 9.21 + * 9.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 9.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 9.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 9.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 9.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 9.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 9.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 9.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 9.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 9.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 9.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 9.33 + */ 9.34 + 9.35 +// __DIR__ variable is equivalent of `dirname $0` in 9.36 +// shell scripts - expands to the directory where 9.37 +// the current script is located. 9.38 + 9.39 +print("This script is in the directory: " + __DIR__);
10.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 10.2 +++ b/samples/disassemble.js Wed May 14 11:02:04 2014 -0700 10.3 @@ -0,0 +1,75 @@ 10.4 +/* 10.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 10.6 + * 10.7 + * Redistribution and use in source and binary forms, with or without 10.8 + * modification, are permitted provided that the following conditions 10.9 + * are met: 10.10 + * 10.11 + * - Redistributions of source code must retain the above copyright 10.12 + * notice, this list of conditions and the following disclaimer. 10.13 + * 10.14 + * - Redistributions in binary form must reproduce the above copyright 10.15 + * notice, this list of conditions and the following disclaimer in the 10.16 + * documentation and/or other materials provided with the distribution. 10.17 + * 10.18 + * - Neither the name of Oracle nor the names of its 10.19 + * contributors may be used to endorse or promote products derived 10.20 + * from this software without specific prior written permission. 10.21 + * 10.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 10.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 10.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 10.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 10.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 10.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 10.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 10.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 10.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 10.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 10.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 10.33 + */ 10.34 + 10.35 +// Usage: jjs disassemble.js -- <.class-file-path> 10.36 + 10.37 +// Simple .class disassembler that uses bundled ObjectWeb ASM 10.38 +// classes in jdk8. WARNING: Bundled ObjectWeb ASM classes are 10.39 +// not part of official jdk8 API. It can be changed/removed 10.40 +// without notice. So, this script is brittle by design! 10.41 + 10.42 +// This example demonstrates passing arguments to script 10.43 +// from jjs command line, nio and ASM usage. 10.44 + 10.45 +// classes used 10.46 +var FileSystems = Java.type("java.nio.file.FileSystems"); 10.47 +var Files = Java.type("java.nio.file.Files"); 10.48 +var System = Java.type("java.lang.System"); 10.49 +var PrintWriter = Java.type("java.io.PrintWriter"); 10.50 + 10.51 +// WARNING: uses non-API classes of jdk8! 10.52 +var ClassReader = Java.type("jdk.internal.org.objectweb.asm.ClassReader"); 10.53 +var TraceClassVisitor = Java.type("jdk.internal.org.objectweb.asm.util.TraceClassVisitor"); 10.54 + 10.55 +// convert file name to Path instance 10.56 +function path(file) { 10.57 + return FileSystems.default.getPath(file); 10.58 +} 10.59 + 10.60 +// read all file content as a byte[] 10.61 +function readAllBytes(file) { 10.62 + return Files.readAllBytes(path(file)); 10.63 +} 10.64 + 10.65 +// disassemble .class byte[] and prints output to stdout 10.66 +function disassemble(bytecode) { 10.67 + var pw = new PrintWriter(System.out); 10.68 + new ClassReader(bytecode).accept(new TraceClassVisitor(pw), 0); 10.69 +} 10.70 + 10.71 +// check for command line arg (for .class file name) 10.72 +if (arguments.length == 0 || !arguments[0].endsWith('.class')) { 10.73 + print("Usage: jjs disassemble -- <.class file>"); 10.74 + exit(1); 10.75 +} 10.76 + 10.77 +// disassemble the given .class file 10.78 +disassemble(readAllBytes(arguments[0]));
11.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 11.2 +++ b/samples/engine/README Wed May 14 11:02:04 2014 -0700 11.3 @@ -0,0 +1,1 @@ 11.4 +Using javax.script engine API of nashorn from script!
12.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 12.2 +++ b/samples/engine/accessvar.js Wed May 14 11:02:04 2014 -0700 12.3 @@ -0,0 +1,44 @@ 12.4 +/* 12.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 12.6 + * 12.7 + * Redistribution and use in source and binary forms, with or without 12.8 + * modification, are permitted provided that the following conditions 12.9 + * are met: 12.10 + * 12.11 + * - Redistributions of source code must retain the above copyright 12.12 + * notice, this list of conditions and the following disclaimer. 12.13 + * 12.14 + * - Redistributions in binary form must reproduce the above copyright 12.15 + * notice, this list of conditions and the following disclaimer in the 12.16 + * documentation and/or other materials provided with the distribution. 12.17 + * 12.18 + * - Neither the name of Oracle nor the names of its 12.19 + * contributors may be used to endorse or promote products derived 12.20 + * from this software without specific prior written permission. 12.21 + * 12.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 12.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 12.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 12.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 12.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 12.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 12.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 12.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 12.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 12.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 12.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 12.33 + */ 12.34 + 12.35 +// Simple example showing global variable access from caller 12.36 + 12.37 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 12.38 +// create manager 12.39 +var manager = new ScriptEngineManager(); 12.40 +// create engine 12.41 +var engine = manager.getEngineByName("js"); 12.42 + 12.43 +// eval code! 12.44 +engine.eval("x = 'hello'"); 12.45 + 12.46 +// access global var from engine 12.47 +print(engine.get('x'));
13.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 13.2 +++ b/samples/engine/callfunc.js Wed May 14 11:02:04 2014 -0700 13.3 @@ -0,0 +1,48 @@ 13.4 +/* 13.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 13.6 + * 13.7 + * Redistribution and use in source and binary forms, with or without 13.8 + * modification, are permitted provided that the following conditions 13.9 + * are met: 13.10 + * 13.11 + * - Redistributions of source code must retain the above copyright 13.12 + * notice, this list of conditions and the following disclaimer. 13.13 + * 13.14 + * - Redistributions in binary form must reproduce the above copyright 13.15 + * notice, this list of conditions and the following disclaimer in the 13.16 + * documentation and/or other materials provided with the distribution. 13.17 + * 13.18 + * - Neither the name of Oracle nor the names of its 13.19 + * contributors may be used to endorse or promote products derived 13.20 + * from this software without specific prior written permission. 13.21 + * 13.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 13.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 13.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 13.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 13.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 13.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 13.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 13.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 13.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 13.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 13.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 13.33 + */ 13.34 + 13.35 +// simple example showing how to call a global script 13.36 +// function from caller 13.37 + 13.38 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 13.39 +// create manager 13.40 +var manager = new ScriptEngineManager(); 13.41 +// create engine 13.42 +var engine = manager.getEngineByName("js"); 13.43 + 13.44 +// eval code! 13.45 +engine.eval("function func(name) { print('I am func, hello ' + name) }"); 13.46 + 13.47 +// invoke functions, methods of code evaluated by engine 13.48 +// from javax.script.Invocable interface. But, hey, 13.49 +// calling code is JavaScript and don't worry about types :) 13.50 + 13.51 +engine.invokeFunction("func", "Nashorn");
14.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 14.2 +++ b/samples/engine/callmethod.js Wed May 14 11:02:04 2014 -0700 14.3 @@ -0,0 +1,64 @@ 14.4 +#// Usage: jjs -scripting callmethod.js 14.5 + 14.6 +/* 14.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 14.8 + * 14.9 + * Redistribution and use in source and binary forms, with or without 14.10 + * modification, are permitted provided that the following conditions 14.11 + * are met: 14.12 + * 14.13 + * - Redistributions of source code must retain the above copyright 14.14 + * notice, this list of conditions and the following disclaimer. 14.15 + * 14.16 + * - Redistributions in binary form must reproduce the above copyright 14.17 + * notice, this list of conditions and the following disclaimer in the 14.18 + * documentation and/or other materials provided with the distribution. 14.19 + * 14.20 + * - Neither the name of Oracle nor the names of its 14.21 + * contributors may be used to endorse or promote products derived 14.22 + * from this software without specific prior written permission. 14.23 + * 14.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 14.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 14.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 14.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 14.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 14.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 14.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 14.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 14.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 14.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 14.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 14.35 + */ 14.36 + 14.37 +// simple example demonstrating calling a script object 14.38 +// method from script engine user code 14.39 + 14.40 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 14.41 +// create manager 14.42 +var manager = new ScriptEngineManager(); 14.43 +// create engine 14.44 +var engine = manager.getEngineByName("js"); 14.45 + 14.46 +// eval code - too many script escapes? 14.47 +// use heredoc ! 14.48 +engine.eval(<<CODE 14.49 + var obj = { 14.50 + func: function() { 14.51 + print("I am func of " + this); 14.52 + }, 14.53 + 14.54 + toString: function() { 14.55 + return "Object 'obj'"; 14.56 + } 14.57 + }; 14.58 +CODE); 14.59 + 14.60 +// invoke methods of an object in script world 14.61 +// from javax.script.Invocable interface. But, hey, 14.62 +// calling code is JavaScript and don't worry about types :) 14.63 + 14.64 +// get that script object on which to call a method 14.65 +var scriptObj = engine.get("obj"); 14.66 +// call 'func' method on object 'obj' 14.67 +engine.invokeMethod(scriptObj, "func");
15.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 15.2 +++ b/samples/engine/exposevar.js Wed May 14 11:02:04 2014 -0700 15.3 @@ -0,0 +1,44 @@ 15.4 +/* 15.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 15.6 + * 15.7 + * Redistribution and use in source and binary forms, with or without 15.8 + * modification, are permitted provided that the following conditions 15.9 + * are met: 15.10 + * 15.11 + * - Redistributions of source code must retain the above copyright 15.12 + * notice, this list of conditions and the following disclaimer. 15.13 + * 15.14 + * - Redistributions in binary form must reproduce the above copyright 15.15 + * notice, this list of conditions and the following disclaimer in the 15.16 + * documentation and/or other materials provided with the distribution. 15.17 + * 15.18 + * - Neither the name of Oracle nor the names of its 15.19 + * contributors may be used to endorse or promote products derived 15.20 + * from this software without specific prior written permission. 15.21 + * 15.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 15.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 15.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 15.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 15.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 15.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 15.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 15.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 15.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 15.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 15.33 + */ 15.34 + 15.35 +// Example showing how to expose a script global var from caller 15.36 + 15.37 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 15.38 +// create manager 15.39 +var manager = new ScriptEngineManager(); 15.40 +// create engine 15.41 +var engine = manager.getEngineByName("js"); 15.42 + 15.43 +// expose variable to engine 15.44 +engine.put("name", "Nashorn"); 15.45 + 15.46 +// access it from script 15.47 +engine.eval("print('Hello, ' + name)");
16.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 16.2 +++ b/samples/engine/foreignobject.js Wed May 14 11:02:04 2014 -0700 16.3 @@ -0,0 +1,71 @@ 16.4 +#// Usage: jjs -scripting foreignobject.js 16.5 + 16.6 +/* 16.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 16.8 + * 16.9 + * Redistribution and use in source and binary forms, with or without 16.10 + * modification, are permitted provided that the following conditions 16.11 + * are met: 16.12 + * 16.13 + * - Redistributions of source code must retain the above copyright 16.14 + * notice, this list of conditions and the following disclaimer. 16.15 + * 16.16 + * - Redistributions in binary form must reproduce the above copyright 16.17 + * notice, this list of conditions and the following disclaimer in the 16.18 + * documentation and/or other materials provided with the distribution. 16.19 + * 16.20 + * - Neither the name of Oracle nor the names of its 16.21 + * contributors may be used to endorse or promote products derived 16.22 + * from this software without specific prior written permission. 16.23 + * 16.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 16.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 16.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 16.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 16.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 16.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 16.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 16.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 16.35 + */ 16.36 + 16.37 +// cross nashorn engine scripting 16.38 +// access script objects from other engines in natural syntax 16.39 + 16.40 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 16.41 +// create manager 16.42 +var manager = new ScriptEngineManager(); 16.43 +// create engine 16.44 +var engine = manager.getEngineByName("js"); 16.45 + 16.46 +// eval code! 16.47 +engine.eval(<<CODE 16.48 + var obj = { 16.49 + foo: 42, 16.50 + func: function() { 16.51 + print("func: " + this.foo); 16.52 + } 16.53 + }; 16.54 +CODE); 16.55 + 16.56 +// Nashorn engine returns script objects as instance of 16.57 +// the class jdk.nashorn.api.scripting.ScriptObjectMirror 16.58 +// But nashorn's dynalink linker can treat these objects 16.59 +// specially to support natural script syntax to access.. 16.60 +// In Java code, you need to use ScriptObjectMirror's 16.61 +// methods though. Once again, script world is simpler :-) 16.62 + 16.63 +var foreignObj = engine.get("obj"); 16.64 +// access properties, functions of it 16.65 +// with natural syntax 16.66 +print(foreignObj.foo); 16.67 +foreignObj.func(); 16.68 +print(typeof foreignObj.func); 16.69 + 16.70 +// access engine's global 16.71 +var foreignGlobal = engine.eval("this"); 16.72 +// create objects in engine's world from here! 16.73 +print(new foreignGlobal.Object()); 16.74 +print(new foreignGlobal.Date());
17.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 17.2 +++ b/samples/engine/hello.js Wed May 14 11:02:04 2014 -0700 17.3 @@ -0,0 +1,41 @@ 17.4 +/* 17.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 17.6 + * 17.7 + * Redistribution and use in source and binary forms, with or without 17.8 + * modification, are permitted provided that the following conditions 17.9 + * are met: 17.10 + * 17.11 + * - Redistributions of source code must retain the above copyright 17.12 + * notice, this list of conditions and the following disclaimer. 17.13 + * 17.14 + * - Redistributions in binary form must reproduce the above copyright 17.15 + * notice, this list of conditions and the following disclaimer in the 17.16 + * documentation and/or other materials provided with the distribution. 17.17 + * 17.18 + * - Neither the name of Oracle nor the names of its 17.19 + * contributors may be used to endorse or promote products derived 17.20 + * from this software without specific prior written permission. 17.21 + * 17.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 17.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 17.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 17.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 17.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 17.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 17.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 17.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 17.33 + */ 17.34 + 17.35 +// Simple hello world example showing create engine 17.36 +// and eval simple script 17.37 + 17.38 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 17.39 +// create manager 17.40 +var manager = new ScriptEngineManager(); 17.41 +// create engine 17.42 +var engine = manager.getEngineByName("js"); 17.43 +// eval code! 17.44 +engine.eval("print('hello world')");
18.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 18.2 +++ b/samples/engine/interface.js Wed May 14 11:02:04 2014 -0700 18.3 @@ -0,0 +1,60 @@ 18.4 +#// Usage: jjs -scripting interface.js 18.5 + 18.6 +/* 18.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 18.8 + * 18.9 + * Redistribution and use in source and binary forms, with or without 18.10 + * modification, are permitted provided that the following conditions 18.11 + * are met: 18.12 + * 18.13 + * - Redistributions of source code must retain the above copyright 18.14 + * notice, this list of conditions and the following disclaimer. 18.15 + * 18.16 + * - Redistributions in binary form must reproduce the above copyright 18.17 + * notice, this list of conditions and the following disclaimer in the 18.18 + * documentation and/or other materials provided with the distribution. 18.19 + * 18.20 + * - Neither the name of Oracle nor the names of its 18.21 + * contributors may be used to endorse or promote products derived 18.22 + * from this software without specific prior written permission. 18.23 + * 18.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 18.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 18.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 18.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 18.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 18.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 18.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 18.35 + */ 18.36 + 18.37 +// Example demonstrating how to implement a Java interface 18.38 +// whose methods are backed by global script functions 18.39 + 18.40 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 18.41 +// create manager 18.42 +var manager = new ScriptEngineManager(); 18.43 +// create engine 18.44 +var engine = manager.getEngineByName("js"); 18.45 + 18.46 +// eval code - too many script escapes? 18.47 +// use heredoc ! 18.48 +engine.eval(<<CODE 18.49 +function run() { 18.50 + print("run global function called"); 18.51 +} 18.52 +CODE); 18.53 + 18.54 +// create Java interface object whose methods are 18.55 +// implemented by script functions. This is from 18.56 +// javax.script.Invocable. But we are in JS world, 18.57 +// don't worry about types :) 18.58 + 18.59 +var Runnable = Java.type("java.lang.Runnable"); 18.60 +var r = engine.getInterface(Runnable.class); 18.61 +print(r.class); 18.62 + 18.63 +r.run();
19.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 19.2 +++ b/samples/engine/interface2.js Wed May 14 11:02:04 2014 -0700 19.3 @@ -0,0 +1,63 @@ 19.4 +#// Usage: jjs -scripting interface2.js 19.5 + 19.6 +/* 19.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 19.8 + * 19.9 + * Redistribution and use in source and binary forms, with or without 19.10 + * modification, are permitted provided that the following conditions 19.11 + * are met: 19.12 + * 19.13 + * - Redistributions of source code must retain the above copyright 19.14 + * notice, this list of conditions and the following disclaimer. 19.15 + * 19.16 + * - Redistributions in binary form must reproduce the above copyright 19.17 + * notice, this list of conditions and the following disclaimer in the 19.18 + * documentation and/or other materials provided with the distribution. 19.19 + * 19.20 + * - Neither the name of Oracle nor the names of its 19.21 + * contributors may be used to endorse or promote products derived 19.22 + * from this software without specific prior written permission. 19.23 + * 19.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 19.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 19.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 19.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 19.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 19.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 19.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 19.35 + */ 19.36 + 19.37 +// Simple example demonstrating how to implement java interface 19.38 +// whose methods are backed by script methods of a script object 19.39 + 19.40 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 19.41 +// create manager 19.42 +var manager = new ScriptEngineManager(); 19.43 +// create engine 19.44 +var engine = manager.getEngineByName("js"); 19.45 + 19.46 +// eval code - too many script escapes? 19.47 +// use heredoc ! 19.48 +engine.eval(<<CODE 19.49 + var obj = { 19.50 + run: function() { 19.51 + print("I am run method of 'obj'"); 19.52 + } 19.53 + }; 19.54 +CODE); 19.55 + 19.56 +// create Java interface object whose methods are 19.57 +// implemented by script methods of a script object 19.58 +// This is from javax.script.Invocable. But we are 19.59 +// in JS world, don't worry about types :) 19.60 + 19.61 +var Runnable = Java.type("java.lang.Runnable"); 19.62 + 19.63 +var scriptObj = engine.get("obj"); 19.64 +var r = engine.getInterface(scriptObj, Runnable.class); 19.65 +print(r.class); 19.66 +r.run();
20.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 20.2 +++ b/samples/engine/lambda_as_func.js Wed May 14 11:02:04 2014 -0700 20.3 @@ -0,0 +1,49 @@ 20.4 +/* 20.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 20.6 + * 20.7 + * Redistribution and use in source and binary forms, with or without 20.8 + * modification, are permitted provided that the following conditions 20.9 + * are met: 20.10 + * 20.11 + * - Redistributions of source code must retain the above copyright 20.12 + * notice, this list of conditions and the following disclaimer. 20.13 + * 20.14 + * - Redistributions in binary form must reproduce the above copyright 20.15 + * notice, this list of conditions and the following disclaimer in the 20.16 + * documentation and/or other materials provided with the distribution. 20.17 + * 20.18 + * - Neither the name of Oracle nor the names of its 20.19 + * contributors may be used to endorse or promote products derived 20.20 + * from this software without specific prior written permission. 20.21 + * 20.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 20.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 20.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 20.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 20.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 20.33 + */ 20.34 + 20.35 +// Simple example demonstrating how to expose 'function's 20.36 +// from embedding code. Any lambda object exposed to engine 20.37 +// can be called as 'function' in script. 20.38 + 20.39 +var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager"); 20.40 +// create manager 20.41 +var manager = new ScriptEngineManager(); 20.42 +// create engine 20.43 +var engine = manager.getEngineByName("js"); 20.44 + 20.45 +// Any lambda (@FunctionalInterface annotated type) object can be 20.46 +// be exposed from script embedding code. Script can call 20.47 +// it as a function 20.48 +engine.put("upper", new java.util.function.Function() { 20.49 + apply: function(x) x.toUpperCase() 20.50 +}); 20.51 + 20.52 +print(engine.eval("upper('hello')"));
21.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 21.2 +++ b/samples/env.js Wed May 14 11:02:04 2014 -0700 21.3 @@ -0,0 +1,43 @@ 21.4 +#// Usage: jjs -scripting env.js 21.5 + 21.6 +/* 21.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 21.8 + * 21.9 + * Redistribution and use in source and binary forms, with or without 21.10 + * modification, are permitted provided that the following conditions 21.11 + * are met: 21.12 + * 21.13 + * - Redistributions of source code must retain the above copyright 21.14 + * notice, this list of conditions and the following disclaimer. 21.15 + * 21.16 + * - Redistributions in binary form must reproduce the above copyright 21.17 + * notice, this list of conditions and the following disclaimer in the 21.18 + * documentation and/or other materials provided with the distribution. 21.19 + * 21.20 + * - Neither the name of Oracle nor the names of its 21.21 + * contributors may be used to endorse or promote products derived 21.22 + * from this software without specific prior written permission. 21.23 + * 21.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 21.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 21.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 21.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 21.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 21.35 + */ 21.36 + 21.37 +// In nashorn -scripting mode, 21.38 +// "$ENV" object exposes process 21.39 +// environment variables 21.40 + 21.41 +print($ENV.PATH); 21.42 +print($ENV.JAVA_HOME); 21.43 + 21.44 +for (i in $ENV) { 21.45 + print(i, "->", $ENV[i]); 21.46 +}
22.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 22.2 +++ b/samples/expression_closure.js Wed May 14 11:02:04 2014 -0700 22.3 @@ -0,0 +1,41 @@ 22.4 +/* 22.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 22.6 + * 22.7 + * Redistribution and use in source and binary forms, with or without 22.8 + * modification, are permitted provided that the following conditions 22.9 + * are met: 22.10 + * 22.11 + * - Redistributions of source code must retain the above copyright 22.12 + * notice, this list of conditions and the following disclaimer. 22.13 + * 22.14 + * - Redistributions in binary form must reproduce the above copyright 22.15 + * notice, this list of conditions and the following disclaimer in the 22.16 + * documentation and/or other materials provided with the distribution. 22.17 + * 22.18 + * - Neither the name of Oracle nor the names of its 22.19 + * contributors may be used to endorse or promote products derived 22.20 + * from this software without specific prior written permission. 22.21 + * 22.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 22.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 22.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 22.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 22.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22.33 + */ 22.34 + 22.35 +// nashorn supports expression closures extension of 22.36 +// Mozilla JavaScript 1.8. See also 22.37 +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/1.8 22.38 + 22.39 +// leave {, } and 'return' keyword 22.40 + 22.41 +function sqr(x) x*x; 22.42 + 22.43 +// prints 289 (= 17*17) 22.44 +print(sqr(17));
23.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 23.2 +++ b/samples/fileline.js Wed May 14 11:02:04 2014 -0700 23.3 @@ -0,0 +1,37 @@ 23.4 +/* 23.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 23.6 + * 23.7 + * Redistribution and use in source and binary forms, with or without 23.8 + * modification, are permitted provided that the following conditions 23.9 + * are met: 23.10 + * 23.11 + * - Redistributions of source code must retain the above copyright 23.12 + * notice, this list of conditions and the following disclaimer. 23.13 + * 23.14 + * - Redistributions in binary form must reproduce the above copyright 23.15 + * notice, this list of conditions and the following disclaimer in the 23.16 + * documentation and/or other materials provided with the distribution. 23.17 + * 23.18 + * - Neither the name of Oracle nor the names of its 23.19 + * contributors may be used to endorse or promote products derived 23.20 + * from this software without specific prior written permission. 23.21 + * 23.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 23.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 23.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 23.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 23.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23.33 + */ 23.34 + 23.35 +// nashorn supports pseudo global variables __FILE__ 23.36 +// and __LINE__ that expands to currently executed 23.37 +// script file name and current script line number 23.38 + 23.39 +// prints current file and line number 23.40 +print("executing " + __FILE__ + " @ " + __LINE__);
24.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 24.2 +++ b/samples/fizzbuzz.js Wed May 14 11:02:04 2014 -0700 24.3 @@ -0,0 +1,48 @@ 24.4 +/* 24.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 24.6 + * 24.7 + * Redistribution and use in source and binary forms, with or without 24.8 + * modification, are permitted provided that the following conditions 24.9 + * are met: 24.10 + * 24.11 + * - Redistributions of source code must retain the above copyright 24.12 + * notice, this list of conditions and the following disclaimer. 24.13 + * 24.14 + * - Redistributions in binary form must reproduce the above copyright 24.15 + * notice, this list of conditions and the following disclaimer in the 24.16 + * documentation and/or other materials provided with the distribution. 24.17 + * 24.18 + * - Neither the name of Oracle nor the names of its 24.19 + * contributors may be used to endorse or promote products derived 24.20 + * from this software without specific prior written permission. 24.21 + * 24.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 24.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 24.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 24.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 24.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 24.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24.33 + */ 24.34 + 24.35 +// What is FizzBuzz? http://c2.com/cgi/wiki?FizzBuzzTest 24.36 + 24.37 +// Yet another FizzBuzz impl. using Java 8 lambda and stream 24.38 +// but using Nashorn. This is ECMAScript port of @stuartmarks' 24.39 +// Java implementation 24.40 + 24.41 +var IntStream = Java.type("java.util.stream.IntStream"); 24.42 + 24.43 +function ifmod(m, r, f) { 24.44 + return function(i) { return i % m == 0? r : f(i); } 24.45 +} 24.46 + 24.47 +// pass script function for lambda 24.48 +IntStream.rangeClosed(1, 100). 24.49 + mapToObj( 24.50 + ifmod(15, "FizzBuzz", ifmod(5, "Buzz", ifmod(3, "Fizz", String)))) 24.51 + .forEach(print);
25.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 25.2 +++ b/samples/for_each.js Wed May 14 11:02:04 2014 -0700 25.3 @@ -0,0 +1,66 @@ 25.4 +/* 25.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 25.6 + * 25.7 + * Redistribution and use in source and binary forms, with or without 25.8 + * modification, are permitted provided that the following conditions 25.9 + * are met: 25.10 + * 25.11 + * - Redistributions of source code must retain the above copyright 25.12 + * notice, this list of conditions and the following disclaimer. 25.13 + * 25.14 + * - Redistributions in binary form must reproduce the above copyright 25.15 + * notice, this list of conditions and the following disclaimer in the 25.16 + * documentation and/or other materials provided with the distribution. 25.17 + * 25.18 + * - Neither the name of Oracle nor the names of its 25.19 + * contributors may be used to endorse or promote products derived 25.20 + * from this software without specific prior written permission. 25.21 + * 25.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 25.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 25.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 25.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 25.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 25.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 25.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.33 + */ 25.34 + 25.35 +// nashorn supports for..each extension supported 25.36 +// by Mozilla. See also 25.37 +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for_each...in 25.38 + 25.39 +var strs = [ "hello", "world" ]; 25.40 +for each (str in strs) 25.41 + print(str); 25.42 + 25.43 +// create a java int[] object 25.44 +var JArray = Java.type("int[]"); 25.45 +var arr = new JArray(10); 25.46 + 25.47 +// store squares as values 25.48 +for (i in arr) 25.49 + arr[i] = i*i; 25.50 + 25.51 +// for .. each on java arrays 25.52 +print("squares"); 25.53 +for each (i in arr) 25.54 + print(i); 25.55 + 25.56 +var System = Java.type("java.lang.System"); 25.57 + 25.58 +// for..each on java Iterables 25.59 +// print System properties as name = value pairs 25.60 +print("System properties"); 25.61 +for each (p in System.properties.entrySet()) { 25.62 + print(p.key, "=", p.value); 25.63 +} 25.64 + 25.65 +// print process environment vars as name = value pairs 25.66 +print("Process environment"); 25.67 +for each (e in System.env.entrySet()) { 25.68 + print(e.key, "=", e.value); 25.69 +}
26.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 26.2 +++ b/samples/gaussian_random.js Wed May 14 11:02:04 2014 -0700 26.3 @@ -0,0 +1,46 @@ 26.4 +/* 26.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 26.6 + * 26.7 + * Redistribution and use in source and binary forms, with or without 26.8 + * modification, are permitted provided that the following conditions 26.9 + * are met: 26.10 + * 26.11 + * - Redistributions of source code must retain the above copyright 26.12 + * notice, this list of conditions and the following disclaimer. 26.13 + * 26.14 + * - Redistributions in binary form must reproduce the above copyright 26.15 + * notice, this list of conditions and the following disclaimer in the 26.16 + * documentation and/or other materials provided with the distribution. 26.17 + * 26.18 + * - Neither the name of Oracle nor the names of its 26.19 + * contributors may be used to endorse or promote products derived 26.20 + * from this software without specific prior written permission. 26.21 + * 26.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 26.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 26.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 26.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 26.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 26.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 26.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26.33 + */ 26.34 + 26.35 +// print 100 Guassian distributed numbers 26.36 + 26.37 +var Random = Java.type("java.util.Random"); 26.38 +var DoubleStream = Java.type("java.util.stream.DoubleStream"); 26.39 + 26.40 +var r = new Random(); 26.41 + 26.42 +// expression closure (see expression_closure.js as well) 26.43 +// passed as lambda double generator. "print" passed as 26.44 +// double consumer lambda to 'forEach' method. 26.45 + 26.46 +DoubleStream 26.47 + .generate(function() r.nextGaussian()) 26.48 + .limit(100) 26.49 + .forEach(print);
27.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 27.2 +++ b/samples/gaussian_random_bind.js Wed May 14 11:02:04 2014 -0700 27.3 @@ -0,0 +1,48 @@ 27.4 +/* 27.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 27.6 + * 27.7 + * Redistribution and use in source and binary forms, with or without 27.8 + * modification, are permitted provided that the following conditions 27.9 + * are met: 27.10 + * 27.11 + * - Redistributions of source code must retain the above copyright 27.12 + * notice, this list of conditions and the following disclaimer. 27.13 + * 27.14 + * - Redistributions in binary form must reproduce the above copyright 27.15 + * notice, this list of conditions and the following disclaimer in the 27.16 + * documentation and/or other materials provided with the distribution. 27.17 + * 27.18 + * - Neither the name of Oracle nor the names of its 27.19 + * contributors may be used to endorse or promote products derived 27.20 + * from this software without specific prior written permission. 27.21 + * 27.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 27.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 27.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 27.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 27.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 27.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 27.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.33 + */ 27.34 + 27.35 +// print 100 Guassian distributed numbers 27.36 + 27.37 +var Random = Java.type("java.util.Random"); 27.38 +var DoubleStream = Java.type("java.util.stream.DoubleStream"); 27.39 + 27.40 +// function as lambda double generator. "print" passed as 27.41 +// double consumer lambda to 'forEach' method. 27.42 +// Function.prototype.bind used to attach 'state' for the 27.43 +// generator function. 27.44 + 27.45 +DoubleStream 27.46 + .generate( 27.47 + function(r) { 27.48 + return r.nextGaussian() 27.49 + }.bind(this, new Random())) 27.50 + .limit(100) 27.51 + .forEach(print);
28.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 28.2 +++ b/samples/gutenberg.js Wed May 14 11:02:04 2014 -0700 28.3 @@ -0,0 +1,142 @@ 28.4 +#// Usage: jjs -scripting gutenberg.js 28.5 + 28.6 +/* 28.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 28.8 + * 28.9 + * Redistribution and use in source and binary forms, with or without 28.10 + * modification, are permitted provided that the following conditions 28.11 + * are met: 28.12 + * 28.13 + * - Redistributions of source code must retain the above copyright 28.14 + * notice, this list of conditions and the following disclaimer. 28.15 + * 28.16 + * - Redistributions in binary form must reproduce the above copyright 28.17 + * notice, this list of conditions and the following disclaimer in the 28.18 + * documentation and/or other materials provided with the distribution. 28.19 + * 28.20 + * - Neither the name of Oracle nor the names of its 28.21 + * contributors may be used to endorse or promote products derived 28.22 + * from this software without specific prior written permission. 28.23 + * 28.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 28.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 28.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 28.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 28.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 28.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.35 + */ 28.36 + 28.37 +// Simple example that demonstrates reading XML Rss feed 28.38 +// to generate a HTML file from script and show it by browser 28.39 + 28.40 +// Java classes used 28.41 +var Characters = Java.type("javax.xml.stream.events.Characters"); 28.42 +var Factory = Java.type("javax.xml.stream.XMLInputFactory"); 28.43 +var File = Java.type("java.io.File"); 28.44 +var FileWriter = Java.type("java.io.FileWriter"); 28.45 +var PrintWriter = Java.type("java.io.PrintWriter"); 28.46 +var URL = Java.type("java.net.URL"); 28.47 + 28.48 +// read Rss feed from a URL. Returns an array 28.49 +// of objects having only title and link properties 28.50 +function readRssFeed(url) { 28.51 + var fac = Factory.newInstance(); 28.52 + var reader = fac.createXMLEventReader(url.openStream()); 28.53 + 28.54 + // get text content from next event 28.55 + function getChars() { 28.56 + var result = ""; 28.57 + var e = reader.nextEvent(); 28.58 + if (e instanceof Characters) { 28.59 + result = e.getData(); 28.60 + } 28.61 + return result; 28.62 + } 28.63 + 28.64 + var items = []; 28.65 + var title, link; 28.66 + var inItem = false; 28.67 + while (reader.hasNext()) { 28.68 + var evt = reader.nextEvent(); 28.69 + if (evt.isStartElement()) { 28.70 + var local = evt.name.localPart; 28.71 + if (local == "item") { 28.72 + // capture title, description now 28.73 + inItem = true; 28.74 + } 28.75 + 28.76 + if (inItem) { 28.77 + switch (local) { 28.78 + case 'title': 28.79 + title = getChars(); 28.80 + break; 28.81 + case 'link': 28.82 + link = getChars(); 28.83 + break; 28.84 + } 28.85 + } 28.86 + } else if (evt.isEndElement()) { 28.87 + var local = evt.name.localPart; 28.88 + if (local == "item") { 28.89 + // one item done, save it in result array 28.90 + items.push({ title: title, link: link }); 28.91 + inItem = false; 28.92 + } 28.93 + } 28.94 + } 28.95 + 28.96 + return items; 28.97 +} 28.98 + 28.99 +// generate simple HTML for an RSS feed 28.100 +function getBooksHtml() { 28.101 + var url = new URL("http://www.gutenberg.org/cache/epub/feeds/today.rss"); 28.102 + var items = readRssFeed(url); 28.103 + 28.104 + var str = "<ul>"; 28.105 + 28.106 + // Nashorn's string interpolation and heredoc 28.107 + // support is very handy in generating text content 28.108 + // that is filled with elements from runtime objects. 28.109 + // We insert title and link in <li> elements here. 28.110 + for each (i in items) { 28.111 + str += <<EOF 28.112 +<li> 28.113 + <a href="${i.link}">${i.title}</a> 28.114 +</li> 28.115 +EOF 28.116 + } 28.117 + str += "</ul>"; 28.118 + return str; 28.119 +} 28.120 + 28.121 +// write the string to the given file 28.122 +function writeTo(file, str) { 28.123 + var w = new PrintWriter(new FileWriter(file)); 28.124 + try { 28.125 + w.print(str); 28.126 + } finally { 28.127 + w.close(); 28.128 + } 28.129 +} 28.130 + 28.131 +// generate books HTML 28.132 +var str = getBooksHtml(); 28.133 + 28.134 +// write to file. __DIR__ is directory where 28.135 +// this script is stored. 28.136 +var file = new File(__DIR__ + "books.html"); 28.137 +writeTo(file, str); 28.138 + 28.139 +// show it by desktop browser 28.140 +try { 28.141 + var Desktop = Java.type("java.awt.Desktop"); 28.142 + Desktop.desktop.browse(file.toURI()); 28.143 +} catch (e) { 28.144 + print(e); 28.145 +}
29.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 29.2 +++ b/samples/heredoc.js Wed May 14 11:02:04 2014 -0700 29.3 @@ -0,0 +1,51 @@ 29.4 +#// Usage: jjs -scripting heredoc.js 29.5 + 29.6 +/* 29.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 29.8 + * 29.9 + * Redistribution and use in source and binary forms, with or without 29.10 + * modification, are permitted provided that the following conditions 29.11 + * are met: 29.12 + * 29.13 + * - Redistributions of source code must retain the above copyright 29.14 + * notice, this list of conditions and the following disclaimer. 29.15 + * 29.16 + * - Redistributions in binary form must reproduce the above copyright 29.17 + * notice, this list of conditions and the following disclaimer in the 29.18 + * documentation and/or other materials provided with the distribution. 29.19 + * 29.20 + * - Neither the name of Oracle nor the names of its 29.21 + * contributors may be used to endorse or promote products derived 29.22 + * from this software without specific prior written permission. 29.23 + * 29.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 29.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 29.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 29.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 29.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 29.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 29.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 29.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29.35 + */ 29.36 + 29.37 +// Nashorn supports Shell script like here-documents 29.38 +// in -scripting mode. Here-docs are multi-line strings 29.39 +// that are possibly interpolated with ${} expressions 29.40 +// See also http://en.wikipedia.org/wiki/Here_document 29.41 + 29.42 +var sender = "Buffy the Vampire Slayer"; 29.43 +var recipient = "Spike"; 29.44 + 29.45 +print(<<END 29.46 + 29.47 +Dear ${recipient}, 29.48 + 29.49 +I wish you to leave Sunnydale and never return. 29.50 + 29.51 +Not Quite Love, 29.52 +${sender} 29.53 + 29.54 +END);
30.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 30.2 +++ b/samples/interface_impl.js Wed May 14 11:02:04 2014 -0700 30.3 @@ -0,0 +1,48 @@ 30.4 +/* 30.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 30.6 + * 30.7 + * Redistribution and use in source and binary forms, with or without 30.8 + * modification, are permitted provided that the following conditions 30.9 + * are met: 30.10 + * 30.11 + * - Redistributions of source code must retain the above copyright 30.12 + * notice, this list of conditions and the following disclaimer. 30.13 + * 30.14 + * - Redistributions in binary form must reproduce the above copyright 30.15 + * notice, this list of conditions and the following disclaimer in the 30.16 + * documentation and/or other materials provided with the distribution. 30.17 + * 30.18 + * - Neither the name of Oracle nor the names of its 30.19 + * contributors may be used to endorse or promote products derived 30.20 + * from this software without specific prior written permission. 30.21 + * 30.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 30.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 30.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 30.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 30.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 30.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 30.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30.33 + */ 30.34 + 30.35 +// nashorn supports Java interface implementation 30.36 +// by script using anonymous class-like syntax 30.37 + 30.38 +var Runnable = Java.type("java.lang.Runnable"); 30.39 +var Thread = Java.type("java.lang.Thread"); 30.40 +// use anonymous class-like new syntax 30.41 +var r = new Runnable() { 30.42 + run: function() { 30.43 + print("I am a runnable " + Thread.currentThread()); 30.44 + } 30.45 +} 30.46 + 30.47 +r.run(); 30.48 + 30.49 +var t = new Thread(r); 30.50 +t.start(); 30.51 +t.join();
31.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 31.2 +++ b/samples/javaastviewer.js Wed May 14 11:02:04 2014 -0700 31.3 @@ -0,0 +1,202 @@ 31.4 +#// Usage: jjs -fx javaastviewer.js -- <.java files> 31.5 + 31.6 +/* 31.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 31.8 + * 31.9 + * Redistribution and use in source and binary forms, with or without 31.10 + * modification, are permitted provided that the following conditions 31.11 + * are met: 31.12 + * 31.13 + * - Redistributions of source code must retain the above copyright 31.14 + * notice, this list of conditions and the following disclaimer. 31.15 + * 31.16 + * - Redistributions in binary form must reproduce the above copyright 31.17 + * notice, this list of conditions and the following disclaimer in the 31.18 + * documentation and/or other materials provided with the distribution. 31.19 + * 31.20 + * - Neither the name of Oracle nor the names of its 31.21 + * contributors may be used to endorse or promote products derived 31.22 + * from this software without specific prior written permission. 31.23 + * 31.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 31.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 31.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 31.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 31.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 31.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 31.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 31.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 31.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31.35 + */ 31.36 + 31.37 +// This example demonstrates Java subclassing by Java.extend 31.38 +// and javac Compiler and Tree API. This example also uses 31.39 +// -fx and javafx TreeView to visualize Java AST as TreeView 31.40 + 31.41 +if (!$OPTIONS._fx || arguments.length == 0) { 31.42 + print("Usage: jjs -fx javaastviewer.js -- <.java files>"); 31.43 + exit(1); 31.44 +} 31.45 + 31.46 +// Java types used 31.47 +var Enum = Java.type("java.lang.Enum"); 31.48 +var HashSet = Java.type("java.util.HashSet"); 31.49 +var Name = Java.type("javax.lang.model.element.Name"); 31.50 +var List = Java.type("java.util.List"); 31.51 +var Set = Java.type("java.util.Set"); 31.52 +var SimpleTreeVisitor = Java.type("com.sun.source.util.SimpleTreeVisitor"); 31.53 +var StringArray = Java.type("java.lang.String[]"); 31.54 +var ToolProvider = Java.type("javax.tools.ToolProvider"); 31.55 +var Tree = Java.type("com.sun.source.tree.Tree"); 31.56 + 31.57 +function javaASTToScriptObject(args) { 31.58 + // properties ignored (javac implementation class properties) in AST view. 31.59 + // may not be exhaustive - any getAbc would become "abc" property or 31.60 + // public field becomes a property of same name. 31.61 + var ignoredProps = new HashSet(); 31.62 + for each (var word in 31.63 + ['extending', 'implementing', 'init', 'mods', 'clazz', 'defs', 31.64 + 'expr', 'tag', 'preferredPosition', 'qualid', 'recvparam', 31.65 + 'restype', 'params', 'startPosition', 'thrown', 31.66 + 'tree', 'typarams', 'typetag', 'vartype']) { 31.67 + ignoredProps.add(word); 31.68 + } 31.69 + 31.70 + // get the system compiler tool 31.71 + var compiler = ToolProvider.systemJavaCompiler; 31.72 + 31.73 + // get standard file manager 31.74 + var fileMgr = compiler.getStandardFileManager(null, null, null); 31.75 + 31.76 + // make a list of compilation unit from command line argument file names 31.77 + // Using Java.to convert script array (arguments) to a Java String[] 31.78 + var compUnits = fileMgr.getJavaFileObjects(Java.to(args, StringArray)); 31.79 + 31.80 + // create a new compilation task 31.81 + var task = compiler.getTask(null, fileMgr, null, null, null, compUnits); 31.82 + 31.83 + // subclass SimpleTreeVisitor - converts Java AST node to 31.84 + // a simple script object by walking through it 31.85 + var ConverterVisitor = Java.extend(SimpleTreeVisitor); 31.86 + 31.87 + var visitor = new ConverterVisitor() { 31.88 + // convert java AST node to a friendly script object 31.89 + // which can be viewed. Every node ends up in defaultAction 31.90 + // method of SimpleTreeVisitor method. 31.91 + 31.92 + defaultAction: function (node, p) { 31.93 + var resultObj = {}; 31.94 + // Nashorn does not iterate properties and methods of Java objects 31.95 + // But, we can bind properties of any object (including java objects) 31.96 + // to a script object and iterate it! 31.97 + var obj = {}; 31.98 + Object.bindProperties(obj, node); 31.99 + 31.100 + // we don't want every property, method of java object 31.101 + for (var prop in obj) { 31.102 + var val = obj[prop]; 31.103 + var type = typeof val; 31.104 + // ignore 'method' members 31.105 + if (type == 'function' || type == 'undefined') { 31.106 + continue; 31.107 + } 31.108 + 31.109 + // ignore properties from Javac implementation 31.110 + // classes - hack by name!! 31.111 + if (ignoredProps.contains(prop)) { 31.112 + continue; 31.113 + } 31.114 + 31.115 + // subtree - recurse it 31.116 + if (val instanceof Tree) { 31.117 + resultObj[prop] = visitor.visit(val, p); 31.118 + } else if (val instanceof List) { 31.119 + // List of trees - recurse each and make an array 31.120 + var len = val.size(); 31.121 + if (len != 0) { 31.122 + var arr = []; 31.123 + for (var j = 0; j < len; j++) { 31.124 + var e = val[j]; 31.125 + if (e instanceof Tree) { 31.126 + arr.push(visitor.visit(e, p)); 31.127 + } 31.128 + } 31.129 + resultObj[prop] = arr; 31.130 + } 31.131 + } else if (val instanceof Set) { 31.132 + // Set - used for modifier flags 31.133 + // make array 31.134 + var len = val.size(); 31.135 + if (len != 0) { 31.136 + var arr = []; 31.137 + for each (var e in val) { 31.138 + if (e instanceof Enum || typeof e == 'string') { 31.139 + arr.push(e.toString()); 31.140 + } 31.141 + } 31.142 + resultObj[prop] = arr; 31.143 + } 31.144 + } else if (val instanceof Enum || val instanceof Name) { 31.145 + // make string for any Enum or Name 31.146 + resultObj[prop] = val.toString(); 31.147 + } else if (type != 'object') { 31.148 + // primitives 'as is' 31.149 + resultObj[prop] = val; 31.150 + } 31.151 + } 31.152 + return resultObj; 31.153 + } 31.154 + } 31.155 + 31.156 + // top level object with one property for each compilation unit 31.157 + var scriptObj = {}; 31.158 + for each (var cu in task.parse()) { 31.159 + scriptObj[cu.sourceFile.name] = cu.accept(visitor, null); 31.160 + } 31.161 + 31.162 + return scriptObj; 31.163 +} 31.164 + 31.165 +// JavaFX classes used 31.166 +var StackPane = Java.type("javafx.scene.layout.StackPane"); 31.167 +var Scene = Java.type("javafx.scene.Scene"); 31.168 +var TreeItem = Java.type("javafx.scene.control.TreeItem"); 31.169 +var TreeView = Java.type("javafx.scene.control.TreeView"); 31.170 + 31.171 +// Create a javafx TreeItem to view a script object 31.172 +function treeItemForObject(obj, name) { 31.173 + var item = new TreeItem(name); 31.174 + for (var prop in obj) { 31.175 + var node = obj[prop]; 31.176 + if (typeof node == 'object') { 31.177 + if (node == null) { 31.178 + // skip nulls 31.179 + continue; 31.180 + } 31.181 + var subitem = treeItemForObject(node, prop); 31.182 + } else { 31.183 + var subitem = new TreeItem(prop + ": " + node); 31.184 + } 31.185 + item.children.add(subitem); 31.186 + } 31.187 + 31.188 + item.expanded = true; 31.189 + return item; 31.190 +} 31.191 + 31.192 +var commandArgs = arguments; 31.193 + 31.194 +// JavaFX start method 31.195 +function start(stage) { 31.196 + var obj = javaASTToScriptObject(commandArgs); 31.197 + stage.title = "Java AST Viewer" 31.198 + var rootItem = treeItemForObject(obj, "AST"); 31.199 + rootItem.expanded = true; 31.200 + var tree = new TreeView(rootItem); 31.201 + var root = new StackPane(); 31.202 + root.children.add(tree); 31.203 + stage.scene = new Scene(root, 300, 450); 31.204 + stage.show(); 31.205 +}
32.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 32.2 +++ b/samples/javacastcounter.js Wed May 14 11:02:04 2014 -0700 32.3 @@ -0,0 +1,107 @@ 32.4 +/* 32.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 32.6 + * 32.7 + * Redistribution and use in source and binary forms, with or without 32.8 + * modification, are permitted provided that the following conditions 32.9 + * are met: 32.10 + * 32.11 + * - Redistributions of source code must retain the above copyright 32.12 + * notice, this list of conditions and the following disclaimer. 32.13 + * 32.14 + * - Redistributions in binary form must reproduce the above copyright 32.15 + * notice, this list of conditions and the following disclaimer in the 32.16 + * documentation and/or other materials provided with the distribution. 32.17 + * 32.18 + * - Neither the name of Oracle nor the names of its 32.19 + * contributors may be used to endorse or promote products derived 32.20 + * from this software without specific prior written permission. 32.21 + * 32.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 32.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 32.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 32.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 32.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 32.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 32.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 32.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 32.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32.33 + */ 32.34 + 32.35 +// Usage: jjs javacastcounter.js -- <.java files> 32.36 + 32.37 +// This example demonstrates Nashorn Java.extend API 32.38 +// to subclass a Java class from script. 32.39 + 32.40 +// This example uses Javac Compiler and Tree API 32.41 +// to list type casts used in java source files. 32.42 + 32.43 +if (arguments.length == 0) { 32.44 + print("Usage: jjs javacastcounter.js -- <.java files>"); 32.45 + exit(1); 32.46 +} 32.47 + 32.48 +// Java types used 32.49 +var ToolProvider = Java.type("javax.tools.ToolProvider"); 32.50 +var TreeScanner = Java.type("com.sun.source.util.TreeScanner"); 32.51 +var Trees = Java.type("com.sun.source.util.Trees"); 32.52 +var StringArray = Java.type("java.lang.String[]"); 32.53 + 32.54 +// get the system compiler tool 32.55 +var compiler = ToolProvider.systemJavaCompiler; 32.56 + 32.57 +// get standard file manager 32.58 +var fileMgr = compiler.getStandardFileManager(null, null, null); 32.59 + 32.60 +// make a list of compilation unit from command line argument file names 32.61 +// Using Java.to convert script array (arguments) to a Java String[] 32.62 +var compUnits = fileMgr.getJavaFileObjects(Java.to(arguments, StringArray)); 32.63 + 32.64 +// create a new compilation task 32.65 +var task = compiler.getTask(null, fileMgr, null, null, null, compUnits); 32.66 + 32.67 +// SourcePositions object to get positions of AST nodes 32.68 +var sourcePositions = Trees.instance(task).sourcePositions; 32.69 + 32.70 +// Subclass TreeScanner class 32.71 +var CastCounter = Java.extend(TreeScanner); 32.72 + 32.73 +var counter = new CastCounter() { 32.74 + // current CompilationUnitTree 32.75 + compUnit: null, 32.76 + // current LineMap (pos -> line, column) 32.77 + lineMap: null, 32.78 + // current compilation unit's file name 32.79 + fileName: null, 32.80 + 32.81 + // overrides of TreeScanner methods 32.82 + 32.83 + visitCompilationUnit: function(node, p) { 32.84 + // capture info about current Compilation unit 32.85 + this.compUnit = node; 32.86 + this.lineMap = node.lineMap; 32.87 + this.fileName = node.sourceFile.name; 32.88 + 32.89 + // Using Java.super API to call super class method here 32.90 + return Java.super(counter).visitCompilationUnit(node, p); 32.91 + }, 32.92 + 32.93 + visitTypeCast: function(node, p) { 32.94 + // print information on this type cast node 32.95 + var pos = sourcePositions.getStartPosition(this.compUnit, node); 32.96 + var line = this.lineMap.getLineNumber(pos); 32.97 + var col = this.lineMap.getColumnNumber(pos); 32.98 + print(node + " @ " + this.fileName + ":" + line + ":" + col); 32.99 + 32.100 + // count one more type cast 32.101 + return 1; 32.102 + }, 32.103 + 32.104 + reduce: function(r1, r2) { 32.105 + return (r1 == null ? 0 : r1) + (r2 == null ? 0 : r2); 32.106 + } 32.107 +}; 32.108 + 32.109 +// print total number of type cast nodes seen 32.110 +print("Total casts:", counter.scan(task.parse(), null));
33.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 33.2 +++ b/samples/javaimporter.js Wed May 14 11:02:04 2014 -0700 33.3 @@ -0,0 +1,63 @@ 33.4 +/* 33.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 33.6 + * 33.7 + * Redistribution and use in source and binary forms, with or without 33.8 + * modification, are permitted provided that the following conditions 33.9 + * are met: 33.10 + * 33.11 + * - Redistributions of source code must retain the above copyright 33.12 + * notice, this list of conditions and the following disclaimer. 33.13 + * 33.14 + * - Redistributions in binary form must reproduce the above copyright 33.15 + * notice, this list of conditions and the following disclaimer in the 33.16 + * documentation and/or other materials provided with the distribution. 33.17 + * 33.18 + * - Neither the name of Oracle nor the names of its 33.19 + * contributors may be used to endorse or promote products derived 33.20 + * from this software without specific prior written permission. 33.21 + * 33.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 33.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 33.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 33.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 33.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 33.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 33.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 33.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 33.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 33.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33.33 + */ 33.34 + 33.35 +// JavaImporter along with 'with' statement helps in 33.36 +// localized Java class references 33.37 + 33.38 +function readTextFromURL(url) { 33.39 + 33.40 + // equivalent to 33.41 + // 33.42 + // import java.io.*; 33.43 + // import java.net.*; 33.44 + // import java.lang.StringBuffer; 33.45 + // 33.46 + // only inside the 'with' statement 33.47 + with (new JavaImporter(java.io, 33.48 + java.net, 33.49 + java.lang.StringBuilder)) { 33.50 + var buf = new StringBuilder(); 33.51 + var u = new URL(url); 33.52 + var reader = new BufferedReader( 33.53 + new InputStreamReader(u.openStream())); 33.54 + var line = null; 33.55 + try { 33.56 + while ((line = reader.readLine()) != null) 33.57 + buf.append(line).append('\n'); 33.58 + } finally { 33.59 + reader.close(); 33.60 + } 33.61 + 33.62 + return buf.toString(); 33.63 + } 33.64 +} 33.65 + 33.66 +print(readTextFromURL("https://twitter.com/"));
34.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 34.2 +++ b/samples/javalist.js Wed May 14 11:02:04 2014 -0700 34.3 @@ -0,0 +1,63 @@ 34.4 +/* 34.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 34.6 + * 34.7 + * Redistribution and use in source and binary forms, with or without 34.8 + * modification, are permitted provided that the following conditions 34.9 + * are met: 34.10 + * 34.11 + * - Redistributions of source code must retain the above copyright 34.12 + * notice, this list of conditions and the following disclaimer. 34.13 + * 34.14 + * - Redistributions in binary form must reproduce the above copyright 34.15 + * notice, this list of conditions and the following disclaimer in the 34.16 + * documentation and/or other materials provided with the distribution. 34.17 + * 34.18 + * - Neither the name of Oracle nor the names of its 34.19 + * contributors may be used to endorse or promote products derived 34.20 + * from this software without specific prior written permission. 34.21 + * 34.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 34.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 34.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 34.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 34.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 34.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 34.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 34.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 34.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 34.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 34.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34.33 + */ 34.34 + 34.35 +// Java List elements accessed/modified via 34.36 +// array element access/update syntax 34.37 + 34.38 +var ArrayList = Java.type("java.util.ArrayList"); 34.39 +var list = new ArrayList(); 34.40 + 34.41 +// add elements to list by List's add method calls 34.42 +list.add("js"); 34.43 +list.add("ecmascript"); 34.44 +list.add("nashorn"); 34.45 + 34.46 +// get by List's get(int) method 34.47 +print(list[0]); 34.48 +print(list[1]); 34.49 +print(list[2]); 34.50 + 34.51 +// access list elements by indexed access as well 34.52 +print(list[0]); 34.53 +print(list[1]); 34.54 +print(list[2]); 34.55 + 34.56 +// assign to list elements by index as well 34.57 +list[0] = list[0].toUpperCase(); 34.58 +list[1] = list[1].toUpperCase(); 34.59 +list[2] = list[2].toUpperCase(); 34.60 + 34.61 +print(list.get(0)); 34.62 +print(list.get(1)); 34.63 +print(list.get(2)); 34.64 +print(list[0]); 34.65 +print(list[1]); 34.66 +print(list[2]);
35.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 35.2 +++ b/samples/javamap.js Wed May 14 11:02:04 2014 -0700 35.3 @@ -0,0 +1,58 @@ 35.4 +/* 35.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 35.6 + * 35.7 + * Redistribution and use in source and binary forms, with or without 35.8 + * modification, are permitted provided that the following conditions 35.9 + * are met: 35.10 + * 35.11 + * - Redistributions of source code must retain the above copyright 35.12 + * notice, this list of conditions and the following disclaimer. 35.13 + * 35.14 + * - Redistributions in binary form must reproduce the above copyright 35.15 + * notice, this list of conditions and the following disclaimer in the 35.16 + * documentation and/or other materials provided with the distribution. 35.17 + * 35.18 + * - Neither the name of Oracle nor the names of its 35.19 + * contributors may be used to endorse or promote products derived 35.20 + * from this software without specific prior written permission. 35.21 + * 35.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 35.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 35.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 35.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 35.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 35.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 35.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 35.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 35.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 35.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 35.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35.33 + */ 35.34 + 35.35 +// Java Map keys as properties 35.36 + 35.37 +// Demonstrating Java Map key/value can be accessed 35.38 +// as property/value from script. 35.39 + 35.40 +var HashMap = Java.type("java.util.HashMap"); 35.41 +var map = new HashMap(); 35.42 + 35.43 +// map key-value access by java get/put method calls 35.44 +map.put('js', 'nashorn'); 35.45 +print(map.get('js')); 35.46 + 35.47 +// access keys of map as properties 35.48 +print(map['js']); 35.49 +print(map.js); 35.50 + 35.51 +// also assign new key-value pair 35.52 +// as 'property-value' 35.53 +map['language'] = 'java'; 35.54 +print(map.get("language")); 35.55 +print(map.language); 35.56 +print(map['language']); 35.57 + 35.58 +map.answer = 42; 35.59 +print(map.get("answer")); 35.60 +print(map.answer); 35.61 +print(map['answer']);
36.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 36.2 +++ b/samples/javashell.js Wed May 14 11:02:04 2014 -0700 36.3 @@ -0,0 +1,146 @@ 36.4 +#// Usage: jjs -scripting javashell.js 36.5 + 36.6 +/* 36.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 36.8 + * 36.9 + * Redistribution and use in source and binary forms, with or without 36.10 + * modification, are permitted provided that the following conditions 36.11 + * are met: 36.12 + * 36.13 + * - Redistributions of source code must retain the above copyright 36.14 + * notice, this list of conditions and the following disclaimer. 36.15 + * 36.16 + * - Redistributions in binary form must reproduce the above copyright 36.17 + * notice, this list of conditions and the following disclaimer in the 36.18 + * documentation and/or other materials provided with the distribution. 36.19 + * 36.20 + * - Neither the name of Oracle nor the names of its 36.21 + * contributors may be used to endorse or promote products derived 36.22 + * from this software without specific prior written permission. 36.23 + * 36.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 36.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 36.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 36.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 36.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 36.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 36.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 36.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 36.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 36.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 36.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36.35 + */ 36.36 + 36.37 +// Simple Java "shell" with which you can try out 36.38 +// your few liner Java code leaving imports, main etc. 36.39 +// And you can leave even compilation as this script 36.40 +// takes care boilerplate+compile step for you. 36.41 + 36.42 +// Java types used 36.43 +var Arrays = Java.type("java.util.Arrays"); 36.44 +var BufferedReader = Java.type("java.io.BufferedReader"); 36.45 +var FileWriter = Java.type("java.io.FileWriter"); 36.46 +var LocalDateTime = Java.type("java.time.LocalDateTime"); 36.47 +var InputStreamReader = Java.type("java.io.InputStreamReader"); 36.48 +var PrintWriter = Java.type("java.io.PrintWriter"); 36.49 +var ProcessBuilder = Java.type("java.lang.ProcessBuilder"); 36.50 +var System = Java.type("java.lang.System"); 36.51 + 36.52 +// read multiple lines of input from stdin till user 36.53 +// enters an empty line 36.54 +function input(endMarker, prompt) { 36.55 + if (!endMarker) { 36.56 + endMarker = ""; 36.57 + } 36.58 + 36.59 + if (!prompt) { 36.60 + prompt = " >> "; 36.61 + } 36.62 + 36.63 + var str = ""; 36.64 + var reader = new BufferedReader(new InputStreamReader(System.in)); 36.65 + var line; 36.66 + while (true) { 36.67 + System.out.print(prompt); 36.68 + line = reader.readLine(); 36.69 + if (line == null || line == endMarker) { 36.70 + break; 36.71 + } 36.72 + str += line + "\n"; 36.73 + } 36.74 + return str; 36.75 +} 36.76 + 36.77 +// write the string to the given file 36.78 +function writeTo(file, str) { 36.79 + var w = new PrintWriter(new FileWriter(file)); 36.80 + try { 36.81 + w.print(str); 36.82 + } finally { 36.83 + w.close(); 36.84 + } 36.85 +} 36.86 + 36.87 +// generate Java code with user's input 36.88 +// put inside generated main method 36.89 +function generate(className) { 36.90 + var usercode = input(); 36.91 + if (usercode == "") { 36.92 + return false; 36.93 + } 36.94 + 36.95 + var fullcode = <<EOF 36.96 +// userful imports, add more here if you want 36.97 +// more imports. 36.98 +import static java.lang.System.*; 36.99 +import java.io.*; 36.100 +import java.net.*; 36.101 +import java.math.*; 36.102 +import java.nio.file.*; 36.103 +import java.time.*; 36.104 +import java.time.chrono.*; 36.105 +import java.time.format.*; 36.106 +import java.time.temporal.*; 36.107 +import java.time.zone.*; 36.108 +import java.util.*; 36.109 +import java.util.concurrent.*; 36.110 +import java.util.function.*; 36.111 +import java.util.stream.*; 36.112 + 36.113 +public class ${className} { 36.114 + public static void main(String[] args) throws Exception { 36.115 + ${usercode} 36.116 + } 36.117 +} 36.118 +EOF 36.119 + 36.120 + writeTo("${className}.java", fullcode); 36.121 + return true; 36.122 +} 36.123 + 36.124 +// execute code command 36.125 +function exec(args) { 36.126 + // build child process and start it! 36.127 + new ProcessBuilder(Arrays.asList(args.split(' '))) 36.128 + .inheritIO() 36.129 + .start() 36.130 + .waitFor(); 36.131 +} 36.132 + 36.133 +// generate unique name 36.134 +function uniqueName() { 36.135 + var now = LocalDateTime.now().toString(); 36.136 + // replace unsafe chars with '_' 36.137 + return "JavaShell" + now.replace(/-|:|\./g, '_'); 36.138 +} 36.139 + 36.140 +// read-compile-run loop 36.141 +while(true) { 36.142 + var className = uniqueName(); 36.143 + if (generate(className)) { 36.144 + exec("javac ${className}.java"); 36.145 + exec("java ${className}"); 36.146 + } else { 36.147 + break; 36.148 + } 36.149 +}
37.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 37.2 +++ b/samples/jsadapter_dom.js Wed May 14 11:02:04 2014 -0700 37.3 @@ -0,0 +1,189 @@ 37.4 +#// Usage: jjs -scripting jsadapter_dom.js 37.5 + 37.6 +/* 37.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 37.8 + * 37.9 + * Redistribution and use in source and binary forms, with or without 37.10 + * modification, are permitted provided that the following conditions 37.11 + * are met: 37.12 + * 37.13 + * - Redistributions of source code must retain the above copyright 37.14 + * notice, this list of conditions and the following disclaimer. 37.15 + * 37.16 + * - Redistributions in binary form must reproduce the above copyright 37.17 + * notice, this list of conditions and the following disclaimer in the 37.18 + * documentation and/or other materials provided with the distribution. 37.19 + * 37.20 + * - Neither the name of Oracle nor the names of its 37.21 + * contributors may be used to endorse or promote products derived 37.22 + * from this software without specific prior written permission. 37.23 + * 37.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 37.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 37.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 37.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 37.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 37.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 37.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 37.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 37.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 37.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 37.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 37.35 + */ 37.36 + 37.37 +// Simple example that demonstrates reading XML Rss feed 37.38 +// to generate a HTML file from script and show it by browser 37.39 +// Uses XML DOM parser and DOM element wrapped by script 37.40 +// "proxy" (JSAdapter constructor) 37.41 + 37.42 +// Java classes used 37.43 +var DocBuilderFac = Java.type("javax.xml.parsers.DocumentBuilderFactory"); 37.44 +var Node = Java.type("org.w3c.dom.Node"); 37.45 +var File = Java.type("java.io.File"); 37.46 +var FileWriter = Java.type("java.io.FileWriter"); 37.47 +var PrintWriter = Java.type("java.io.PrintWriter"); 37.48 + 37.49 +// constants from Node class 37.50 +var ELEMENT_NODE = Node.ELEMENT_NODE; 37.51 +var TEXT_NODE = Node.TEXT_NODE; 37.52 + 37.53 +// parse XML from uri and return Document 37.54 +function parseXML(uri) { 37.55 + var docBuilder = DocBuilderFac.newInstance().newDocumentBuilder(); 37.56 + return docBuilder["parse(java.lang.String)"](uri); 37.57 +} 37.58 + 37.59 +// get child Elements of given name of the parent element given 37.60 +function getChildElements(elem, name) { 37.61 + var nodeList = elem.childNodes; 37.62 + var childElems = []; 37.63 + var len = nodeList.length; 37.64 + for (var i = 0; i < len; i++) { 37.65 + var node = nodeList.item(i); 37.66 + if (node.nodeType == ELEMENT_NODE && 37.67 + node.tagName == name) { 37.68 + childElems.push(wrapElement(node)); 37.69 + } 37.70 + } 37.71 + 37.72 + return childElems; 37.73 +} 37.74 + 37.75 +// get concatenated child text content of an Element 37.76 +function getElemText(elem) { 37.77 + var nodeList = elem.childNodes; 37.78 + var len = nodeList.length; 37.79 + var text = ''; 37.80 + for (var i = 0; i < len; i++) { 37.81 + var node = nodeList.item(i); 37.82 + if (node.nodeType == TEXT_NODE) { 37.83 + text += node.nodeValue; 37.84 + } 37.85 + } 37.86 + 37.87 + return text; 37.88 +} 37.89 + 37.90 +// Wrap DOM Element object as a convenient script object 37.91 +// using JSAdapter. JSAdapter is like java.lang.reflect.Proxy 37.92 +// in that it allows property access, method calls be trapped 37.93 +// by 'magic' methods like __get__, __call__. 37.94 +function wrapElement(elem) { 37.95 + if (! elem) { 37.96 + return elem; 37.97 + } 37.98 + return new JSAdapter() { 37.99 + // getter to expose child elements and attributes by name 37.100 + __get__: function(name) { 37.101 + if (typeof name == 'string') { 37.102 + if (name.startsWith('@')) { 37.103 + var attr = elem.getAttributeNode(name.substring(1)); 37.104 + return !attr? undefined : attr.value; 37.105 + } 37.106 + 37.107 + var arr = getChildElements(elem, name); 37.108 + if (arr.length == 1) { 37.109 + // single child element, expose as single element 37.110 + return arr[0]; 37.111 + } else { 37.112 + // multiple children of given name, expose as array 37.113 + return arr; 37.114 + } 37.115 + } 37.116 + return undefined; 37.117 + }, 37.118 + 37.119 + __call__: function(name) { 37.120 + // toString override to get text content of this Element 37.121 + if (name == 'toString' || name == 'valueOf') { 37.122 + return getElemText(elem); 37.123 + } 37.124 + return undefined; 37.125 + } 37.126 + } 37.127 +} 37.128 + 37.129 +// generate HTML using here-doc and string interpolation 37.130 +function getBooksHtml() { 37.131 + var doc = parseXML("http://www.gutenberg.org/cache/epub/feeds/today.rss"); 37.132 + // wrap document root Element as script convenient object 37.133 + var rss = wrapElement(doc.documentElement); 37.134 + print("rss file version " + rss['@version']); 37.135 + 37.136 + var str = <<HEAD 37.137 + 37.138 +<html> 37.139 +<title>${rss.channel.title}</title> 37.140 +<body> 37.141 +<h1>${rss.channel.description}</h1> 37.142 +<p> 37.143 +Published on ${rss.channel.pubDate} 37.144 +</p> 37.145 + 37.146 +HEAD 37.147 + 37.148 + var items = rss.channel.item; 37.149 + for each (var i in items) { 37.150 + str += <<LIST 37.151 + 37.152 +<dl> 37.153 +<dt><a href="${i.link}">${i.title}</a></dt> 37.154 +<dd>${i.description}</dd> 37.155 +</dl> 37.156 + 37.157 +LIST 37.158 + } 37.159 + str += <<END 37.160 + 37.161 +</body> 37.162 +</html> 37.163 + 37.164 +END 37.165 + return str; 37.166 +} 37.167 + 37.168 +// write the string to the given file 37.169 +function writeTo(file, str) { 37.170 + var w = new PrintWriter(new FileWriter(file)); 37.171 + try { 37.172 + w.print(str); 37.173 + } finally { 37.174 + w.close(); 37.175 + } 37.176 +} 37.177 + 37.178 +// generate books HTML 37.179 +var str = getBooksHtml(); 37.180 + 37.181 +// write to file. __DIR__ is directory where 37.182 +// this script is stored. 37.183 +var file = new File(__DIR__ + "books.html"); 37.184 +writeTo(file, str); 37.185 + 37.186 +// show it by desktop browser 37.187 +try { 37.188 + var Desktop = Java.type("java.awt.Desktop"); 37.189 + Desktop.desktop.browse(file.toURI()); 37.190 +} catch (e) { 37.191 + print(e); 37.192 +}
38.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 38.2 +++ b/samples/jsobject.js Wed May 14 11:02:04 2014 -0700 38.3 @@ -0,0 +1,75 @@ 38.4 +#// Usage: jjs -scripting -cp . jsobject.js 38.5 + 38.6 +/* 38.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 38.8 + * 38.9 + * Redistribution and use in source and binary forms, with or without 38.10 + * modification, are permitted provided that the following conditions 38.11 + * are met: 38.12 + * 38.13 + * - Redistributions of source code must retain the above copyright 38.14 + * notice, this list of conditions and the following disclaimer. 38.15 + * 38.16 + * - Redistributions in binary form must reproduce the above copyright 38.17 + * notice, this list of conditions and the following disclaimer in the 38.18 + * documentation and/or other materials provided with the distribution. 38.19 + * 38.20 + * - Neither the name of Oracle nor the names of its 38.21 + * contributors may be used to endorse or promote products derived 38.22 + * from this software without specific prior written permission. 38.23 + * 38.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 38.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 38.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 38.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 38.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 38.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 38.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 38.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 38.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 38.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 38.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 38.35 + */ 38.36 + 38.37 +// This sample demonstrats how to expose a 38.38 +// script friendly object from your java code 38.39 +// by implementing jdk.nashorn.api.scripting.JSObject 38.40 + 38.41 +// compile the java program 38.42 +`javac BufferArray.java`; 38.43 + 38.44 +// print error, if any and exit 38.45 +if ($ERR != '') { 38.46 + print($ERR); 38.47 + exit($EXIT); 38.48 +} 38.49 + 38.50 +// create BufferArray 38.51 +var BufferArray = Java.type("BufferArray"); 38.52 +var bb = new BufferArray(10); 38.53 + 38.54 +// 'magic' methods called to retrieve set/get 38.55 +// properties on BufferArray instance 38.56 +var len = bb.length; 38.57 +print("bb.length = " + len) 38.58 +for (var i = 0; i < len; i++) { 38.59 + bb[i] = i*i; 38.60 +} 38.61 + 38.62 +for (var i = 0; i < len; i++) { 38.63 + print(bb[i]); 38.64 +} 38.65 + 38.66 +// get underlying buffer by calling a method 38.67 +// on BufferArray magic object 38.68 + 38.69 +// 'buf' is a function member 38.70 +print(typeof bb.buf); 38.71 +var buf = bb.buf(); 38.72 + 38.73 +// use retrieved underlying nio buffer 38.74 +var cap = buf.capacity(); 38.75 +print("buf.capacity() = " + cap); 38.76 +for (var i = 0; i < cap; i++) { 38.77 + print(buf.get(i)); 38.78 +}
39.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 39.2 +++ b/samples/jsobject_mapreduce.js Wed May 14 11:02:04 2014 -0700 39.3 @@ -0,0 +1,62 @@ 39.4 +#// Usage: jjs -scripting -cp . jsobject_mapreduce.js 39.5 + 39.6 +/* 39.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 39.8 + * 39.9 + * Redistribution and use in source and binary forms, with or without 39.10 + * modification, are permitted provided that the following conditions 39.11 + * are met: 39.12 + * 39.13 + * - Redistributions of source code must retain the above copyright 39.14 + * notice, this list of conditions and the following disclaimer. 39.15 + * 39.16 + * - Redistributions in binary form must reproduce the above copyright 39.17 + * notice, this list of conditions and the following disclaimer in the 39.18 + * documentation and/or other materials provided with the distribution. 39.19 + * 39.20 + * - Neither the name of Oracle nor the names of its 39.21 + * contributors may be used to endorse or promote products derived 39.22 + * from this software without specific prior written permission. 39.23 + * 39.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 39.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 39.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 39.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 39.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 39.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 39.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 39.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 39.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 39.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 39.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39.35 + */ 39.36 + 39.37 +// Many Array.prototype functions such as map, 39.38 +// filter, reduce, reduceRight, every, some are generic. 39.39 +// These functions accept ECMAScript array as well as 39.40 +// many array-like objects including JSObjects. 39.41 +// See also http://en.wikipedia.org/wiki/MapReduce 39.42 + 39.43 +`javac BufferArray.java`; 39.44 + 39.45 +var BufferArray = Java.type("BufferArray"); 39.46 +var buf = new BufferArray(10); 39.47 + 39.48 +var map = Array.prototype.map; 39.49 +var filter = Array.prototype.filter; 39.50 +var reduce = Array.prototype.reduce; 39.51 + 39.52 +// make random list of numbers 39.53 +for (var i = 0; i < 10; i++) 39.54 + buf[i] = Math.random(); 39.55 + 39.56 +var forEach = Array.prototype.forEach; 39.57 +// print numbers in the list 39.58 +forEach.call(buf, function(x) print(x)); 39.59 + 39.60 +// print sum of squares of the random numbers 39.61 +print("Square sum:", 39.62 + reduce.call( 39.63 + map.call(buf, function(x) x*x), 39.64 + function(x, y) x + y) 39.65 +);
40.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 40.2 +++ b/samples/jsonviewer.js Wed May 14 11:02:04 2014 -0700 40.3 @@ -0,0 +1,120 @@ 40.4 +#// Usage: jjs -fx jsonviewer.js 40.5 +// or 40.6 +// jjs -fx jsonviewer.js -- <url-of-json-doc> 40.7 + 40.8 +/* 40.9 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 40.10 + * 40.11 + * Redistribution and use in source and binary forms, with or without 40.12 + * modification, are permitted provided that the following conditions 40.13 + * are met: 40.14 + * 40.15 + * - Redistributions of source code must retain the above copyright 40.16 + * notice, this list of conditions and the following disclaimer. 40.17 + * 40.18 + * - Redistributions in binary form must reproduce the above copyright 40.19 + * notice, this list of conditions and the following disclaimer in the 40.20 + * documentation and/or other materials provided with the distribution. 40.21 + * 40.22 + * - Neither the name of Oracle nor the names of its 40.23 + * contributors may be used to endorse or promote products derived 40.24 + * from this software without specific prior written permission. 40.25 + * 40.26 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 40.27 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 40.28 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 40.29 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 40.30 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 40.31 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 40.32 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40.33 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 40.34 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 40.35 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 40.36 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40.37 + */ 40.38 + 40.39 +if (! $OPTIONS._fx) { 40.40 + print("Usage: jjs -fx jsonviewer.js -- <url-of-json-doc>"); 40.41 + exit(1); 40.42 +} 40.43 + 40.44 +// This example downloads a JSON file from a URL and 40.45 +// shows the same as a JavaFX tree view. 40.46 + 40.47 +// Using JavaFX from Nashorn. See also: 40.48 +// http://docs.oracle.com/javase/8/docs/technotes/guides/scripting/nashorn/javafx.html 40.49 + 40.50 +// JavaFX classes used 40.51 +var StackPane = Java.type("javafx.scene.layout.StackPane"); 40.52 +var Scene = Java.type("javafx.scene.Scene"); 40.53 +var TreeItem = Java.type("javafx.scene.control.TreeItem"); 40.54 +var TreeView = Java.type("javafx.scene.control.TreeView"); 40.55 + 40.56 +// read text content of a URL 40.57 +function readTextFromURL(url) { 40.58 + // equivalent to 40.59 + // 40.60 + // import java.io.*; 40.61 + // import java.net.*; 40.62 + // import java.lang.StringBuffer; 40.63 + // 40.64 + // only inside the 'with' statement 40.65 + with (new JavaImporter(java.io, 40.66 + java.net, 40.67 + java.lang.StringBuilder)) { 40.68 + var buf = new StringBuilder(); 40.69 + var u = new URL(url); 40.70 + var reader = new BufferedReader( 40.71 + new InputStreamReader(u.openStream())); 40.72 + var line = null; 40.73 + try { 40.74 + while ((line = reader.readLine()) != null) 40.75 + buf.append(line).append('\n'); 40.76 + } finally { 40.77 + reader.close(); 40.78 + } 40.79 + 40.80 + return buf.toString(); 40.81 + } 40.82 +} 40.83 + 40.84 +// Create a javafx TreeItem to view a script object 40.85 +function treeItemForObject(obj, name) { 40.86 + var item = new TreeItem(name); 40.87 + for (var prop in obj) { 40.88 + var node = obj[prop]; 40.89 + if (typeof node == 'object') { 40.90 + if (node == null) { 40.91 + // skip nulls 40.92 + continue; 40.93 + } 40.94 + 40.95 + if (Array.isArray(node) && node.length == 0) { 40.96 + // skip empty arrays 40.97 + continue; 40.98 + } 40.99 + 40.100 + var subitem = treeItemForObject(node, prop); 40.101 + } else { 40.102 + var subitem = new TreeItem(prop + ": " + node); 40.103 + } 40.104 + item.children.add(subitem); 40.105 + } 40.106 + return item; 40.107 +} 40.108 + 40.109 +var DEFAULT_URL = "http://api.openweathermap.org/data/2.5/forecast/daily?q=Chennai&mode=json&units=metric&cnt=7`"; 40.110 + 40.111 +var url = arguments.length == 0? DEFAULT_URL : arguments[0]; 40.112 +var obj = JSON.parse(readTextFromURL(url)); 40.113 + 40.114 +// JavaFX start method 40.115 +function start(stage) { 40.116 + stage.title = "JSON Viewer"; 40.117 + var rootItem = treeItemForObject(obj, url); 40.118 + var tree = new TreeView(rootItem); 40.119 + var root = new StackPane(); 40.120 + root.children.add(tree); 40.121 + stage.scene = new Scene(root, 300, 450); 40.122 + stage.show(); 40.123 +}
41.1 --- a/samples/letter.js Tue May 13 23:18:50 2014 -0700 41.2 +++ b/samples/letter.js Wed May 14 11:02:04 2014 -0700 41.3 @@ -1,3 +1,5 @@ 41.4 +#// Usage: jjs -scripting letter.js -- <sender> <recipient> 41.5 + 41.6 /* 41.7 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 41.8 *
42.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 42.2 +++ b/samples/list_mapreduce.js Wed May 14 11:02:04 2014 -0700 42.3 @@ -0,0 +1,86 @@ 42.4 +/* 42.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 42.6 + * 42.7 + * Redistribution and use in source and binary forms, with or without 42.8 + * modification, are permitted provided that the following conditions 42.9 + * are met: 42.10 + * 42.11 + * - Redistributions of source code must retain the above copyright 42.12 + * notice, this list of conditions and the following disclaimer. 42.13 + * 42.14 + * - Redistributions in binary form must reproduce the above copyright 42.15 + * notice, this list of conditions and the following disclaimer in the 42.16 + * documentation and/or other materials provided with the distribution. 42.17 + * 42.18 + * - Neither the name of Oracle nor the names of its 42.19 + * contributors may be used to endorse or promote products derived 42.20 + * from this software without specific prior written permission. 42.21 + * 42.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 42.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 42.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 42.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 42.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 42.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 42.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 42.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 42.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 42.33 + */ 42.34 + 42.35 +// Usage: jjs list_mapreduce.js 42.36 + 42.37 +// Many Array.prototype functions such as map, 42.38 +// filter, reduce, reduceRight, every, some are generic. 42.39 +// These functions accept ECMAScript array as well as 42.40 +// many array-like objects including java.util.ArrayLists. 42.41 +// So, you can do map/filter/reduce with Java streams or 42.42 +// you can also use Array.prototype functions as below. 42.43 +// See also http://en.wikipedia.org/wiki/MapReduce 42.44 + 42.45 +var ArrayList = Java.type("java.util.ArrayList"); 42.46 +var list = new ArrayList(); 42.47 +list.add("nashorn"); 42.48 +list.add("ecmascript"); 42.49 +list.add("javascript"); 42.50 +list.add("js"); 42.51 +list.add("scheme"); 42.52 + 42.53 +var map = Array.prototype.map; 42.54 +var filter = Array.prototype.filter; 42.55 +var reduce = Array.prototype.reduce; 42.56 + 42.57 +// sum of word lengths 42.58 +print("Sum word length:", 42.59 + reduce.call( 42.60 + map.call(list, function(x) x.length), 42.61 + function(x, y) x + y) 42.62 +); 42.63 + 42.64 +// filter use to filter out "j*" and concatenate rest with ":" 42.65 +// after uppercasing all strings 42.66 +print( 42.67 + reduce.call( 42.68 + map.call( 42.69 + filter.call(list, function(x) !x.startsWith("j")), 42.70 + function(x) x.toUpperCase()), 42.71 + function(x, y) x + ":" + y) 42.72 +); 42.73 + 42.74 +// another list example involving numbers 42.75 +list.clear(); 42.76 +// make random list of numbers 42.77 +for (var i = 0; i < 10; i++) 42.78 + list.add(Math.random()); 42.79 + 42.80 +var forEach = Array.prototype.forEach; 42.81 +// print numbers in the list 42.82 +forEach.call(list, function(x) print(x)); 42.83 + 42.84 +// print sum of squares of the random numbers 42.85 +print("Square sum:", 42.86 + reduce.call( 42.87 + map.call(list, function(x) x*x), 42.88 + function(x, y) x + y) 42.89 +);
43.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 43.2 +++ b/samples/locales.js Wed May 14 11:02:04 2014 -0700 43.3 @@ -0,0 +1,58 @@ 43.4 +/* 43.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 43.6 + * 43.7 + * Redistribution and use in source and binary forms, with or without 43.8 + * modification, are permitted provided that the following conditions 43.9 + * are met: 43.10 + * 43.11 + * - Redistributions of source code must retain the above copyright 43.12 + * notice, this list of conditions and the following disclaimer. 43.13 + * 43.14 + * - Redistributions in binary form must reproduce the above copyright 43.15 + * notice, this list of conditions and the following disclaimer in the 43.16 + * documentation and/or other materials provided with the distribution. 43.17 + * 43.18 + * - Neither the name of Oracle nor the names of its 43.19 + * contributors may be used to endorse or promote products derived 43.20 + * from this software without specific prior written permission. 43.21 + * 43.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 43.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 43.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 43.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 43.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 43.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 43.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 43.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 43.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 43.33 + */ 43.34 + 43.35 +// Simple program that lists available locals. This is ECMAScript 43.36 +// port of Java example by @brunoborges 43.37 + 43.38 +// Java classes used 43.39 +var Arrays = Java.type("java.util.Arrays"); 43.40 +var Collectors = Java.type("java.util.stream.Collectors"); 43.41 +var JString = Java.type("java.lang.String"); 43.42 +var Locale = Java.type("java.util.Locale"); 43.43 + 43.44 +var formatStr = "Country : %s \t\t\t\t:\t Country Code : %s"; 43.45 + 43.46 +// Nashorn allows script functions to be passed 43.47 +// whereever Java8 lambdas are expected. 43.48 + 43.49 +// Nashorn also supports "expression closures" supported by 43.50 +// Mozilla JavaScript 1.8 version. See also 43.51 +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/1.8 43.52 + 43.53 +// The following prints locales in (country) display name order 43.54 +var list = Arrays.asList(Locale.getISOCountries()) 43.55 + .stream() 43.56 + .map(function(x) new Locale("", x)) 43.57 + .sorted(function(c0, c1) c0.displayCountry.compareTo(c1.displayCountry)) 43.58 + .map(function(l) JString.format(formatStr, l.displayCountry, l.country)) 43.59 + .collect(Collectors.toList()); 43.60 + 43.61 +list.forEach(print);
44.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 44.2 +++ b/samples/logisticmap.js Wed May 14 11:02:04 2014 -0700 44.3 @@ -0,0 +1,82 @@ 44.4 +#// Usage: jjs -fx -scripting logisticmap.js -- <initial_x> <R> 44.5 + 44.6 +/* 44.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 44.8 + * 44.9 + * Redistribution and use in source and binary forms, with or without 44.10 + * modification, are permitted provided that the following conditions 44.11 + * are met: 44.12 + * 44.13 + * - Redistributions of source code must retain the above copyright 44.14 + * notice, this list of conditions and the following disclaimer. 44.15 + * 44.16 + * - Redistributions in binary form must reproduce the above copyright 44.17 + * notice, this list of conditions and the following disclaimer in the 44.18 + * documentation and/or other materials provided with the distribution. 44.19 + * 44.20 + * - Neither the name of Oracle nor the names of its 44.21 + * contributors may be used to endorse or promote products derived 44.22 + * from this software without specific prior written permission. 44.23 + * 44.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 44.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 44.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 44.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 44.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 44.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 44.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 44.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 44.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 44.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 44.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44.35 + */ 44.36 + 44.37 +// Logistic map viewer using Java8 Streams and JavaFX 44.38 +// See also http://en.wikipedia.org/wiki/Logistic_map 44.39 + 44.40 +if (!$OPTIONS._fx || arguments.length < 2) { 44.41 + print("Usage: jjs -fx -scripting logisticmap.js -- <initial_x> <R>"); 44.42 + exit(1); 44.43 +} 44.44 + 44.45 +// parameters for the logistic map 44.46 +var x = parseFloat(arguments[0]); 44.47 +var R = parseFloat(arguments[1]); 44.48 +var NUM_POINTS = arguments.length > 2? parseFloat(arguments[2]) : 20; 44.49 + 44.50 +// Java classes used 44.51 +var DoubleStream = Java.type('java.util.stream.DoubleStream'); 44.52 +var LineChart = Java.type("javafx.scene.chart.LineChart"); 44.53 +var NumberAxis = Java.type("javafx.scene.chart.NumberAxis"); 44.54 +var Scene = Java.type("javafx.scene.Scene"); 44.55 +var Stage = Java.type("javafx.stage.Stage"); 44.56 +var XYChart = Java.type("javafx.scene.chart.XYChart"); 44.57 + 44.58 +function start(stage) { 44.59 + stage.title = "Logistic Map: initial x = ${x}, R = ${R}"; 44.60 + // make chart 44.61 + var xAxis = new NumberAxis(); 44.62 + var yAxis = new NumberAxis(); 44.63 + var lineChart = new LineChart(xAxis, yAxis); 44.64 + xAxis.setLabel("iteration"); 44.65 + yAxis.setLabel("x"); 44.66 + // make chart data series 44.67 + var series = new XYChart.Series(); 44.68 + var data = series.data; 44.69 + // populate data using logistic iteration 44.70 + var i = 0; 44.71 + DoubleStream 44.72 + .generate(function() x = R*x*(1-x)) 44.73 + .limit(NUM_POINTS) 44.74 + .forEach( 44.75 + function(value) { 44.76 + data.add(new XYChart.Data(i, value)); 44.77 + i++; 44.78 + } 44.79 + ); 44.80 + // add to stage 44.81 + var scene = new Scene(lineChart, 800, 600); 44.82 + lineChart.data.add(series); 44.83 + stage.scene = scene; 44.84 + stage.show(); 44.85 +}
45.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 45.2 +++ b/samples/options.js Wed May 14 11:02:04 2014 -0700 45.3 @@ -0,0 +1,37 @@ 45.4 +#// Usage: jjs -scripting options.js 45.5 + 45.6 +/* 45.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 45.8 + * 45.9 + * Redistribution and use in source and binary forms, with or without 45.10 + * modification, are permitted provided that the following conditions 45.11 + * are met: 45.12 + * 45.13 + * - Redistributions of source code must retain the above copyright 45.14 + * notice, this list of conditions and the following disclaimer. 45.15 + * 45.16 + * - Redistributions in binary form must reproduce the above copyright 45.17 + * notice, this list of conditions and the following disclaimer in the 45.18 + * documentation and/or other materials provided with the distribution. 45.19 + * 45.20 + * - Neither the name of Oracle nor the names of its 45.21 + * contributors may be used to endorse or promote products derived 45.22 + * from this software without specific prior written permission. 45.23 + * 45.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 45.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 45.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 45.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 45.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 45.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 45.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 45.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 45.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 45.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 45.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 45.35 + */ 45.36 + 45.37 +// print all option names and values 45.38 +for (i in $OPTIONS) { 45.39 + print(i, '=', $OPTIONS[i]); 45.40 +}
46.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 46.2 +++ b/samples/readLine.js Wed May 14 11:02:04 2014 -0700 46.3 @@ -0,0 +1,38 @@ 46.4 +#// Usage: jjs -scripting greeting.js 46.5 + 46.6 +/* 46.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 46.8 + * 46.9 + * Redistribution and use in source and binary forms, with or without 46.10 + * modification, are permitted provided that the following conditions 46.11 + * are met: 46.12 + * 46.13 + * - Redistributions of source code must retain the above copyright 46.14 + * notice, this list of conditions and the following disclaimer. 46.15 + * 46.16 + * - Redistributions in binary form must reproduce the above copyright 46.17 + * notice, this list of conditions and the following disclaimer in the 46.18 + * documentation and/or other materials provided with the distribution. 46.19 + * 46.20 + * - Neither the name of Oracle nor the names of its 46.21 + * contributors may be used to endorse or promote products derived 46.22 + * from this software without specific prior written permission. 46.23 + * 46.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 46.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 46.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 46.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 46.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 46.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 46.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 46.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 46.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 46.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 46.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 46.35 + */ 46.36 + 46.37 +// readLine prints prompt and reads user response 46.38 +var name = readLine("Your name please: "); 46.39 + 46.40 +// user name is interpolated within string 46.41 +print("Hello ${name}");
47.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 47.2 +++ b/samples/sam_function.js Wed May 14 11:02:04 2014 -0700 47.3 @@ -0,0 +1,51 @@ 47.4 +/* 47.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 47.6 + * 47.7 + * Redistribution and use in source and binary forms, with or without 47.8 + * modification, are permitted provided that the following conditions 47.9 + * are met: 47.10 + * 47.11 + * - Redistributions of source code must retain the above copyright 47.12 + * notice, this list of conditions and the following disclaimer. 47.13 + * 47.14 + * - Redistributions in binary form must reproduce the above copyright 47.15 + * notice, this list of conditions and the following disclaimer in the 47.16 + * documentation and/or other materials provided with the distribution. 47.17 + * 47.18 + * - Neither the name of Oracle nor the names of its 47.19 + * contributors may be used to endorse or promote products derived 47.20 + * from this software without specific prior written permission. 47.21 + * 47.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 47.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 47.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 47.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 47.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 47.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 47.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 47.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 47.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 47.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 47.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 47.33 + */ 47.34 + 47.35 +// nashorn supports passing script functions whenever 47.36 +// a SAM (single abstract method) type object is expected 47.37 + 47.38 +var System = Java.type("java.lang.System"); 47.39 +var Timer = Java.type("java.util.Timer"); 47.40 +var timer = new Timer(); 47.41 + 47.42 +// schedule method accepts java.util.TimerTask 47.43 +// which is a single-abstract-method type. you 47.44 +// can pass a script function and nashorn will 47.45 +// wrap it as SAM implementor. 47.46 + 47.47 +timer.schedule(function() { 47.48 + print("Hello World!"); 47.49 +}, 1000); 47.50 + 47.51 +// wait for timer thread to print by 47.52 +// reading from stdin. 47.53 +print("press any key to exit after message from timer..."); 47.54 +System.in.read();
48.1 --- a/samples/shell.js Tue May 13 23:18:50 2014 -0700 48.2 +++ b/samples/shell.js Wed May 14 11:02:04 2014 -0700 48.3 @@ -1,5 +1,5 @@ 48.4 /* 48.5 - * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 48.6 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 48.7 * 48.8 * Redistribution and use in source and binary forms, with or without 48.9 * modification, are permitted provided that the following conditions 48.10 @@ -29,50 +29,53 @@ 48.11 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 48.12 */ 48.13 48.14 -/** 48.15 - * This is a simple shell tool in JavaScript. 48.16 +// Usage: jjs shell.js 48.17 + 48.18 +/* This is a simple shell tool in JavaScript. 48.19 * 48.20 * Runs any operating system command using Java "exec". When "eval" command is 48.21 * used, evaluates argument(s) as JavaScript code. 48.22 */ 48.23 48.24 -var imports = new JavaImporter(java.io, java.lang, java.util); 48.25 +(function() { 48.26 + // Java classes used 48.27 + var Arrays = Java.type("java.util.Arrays"); 48.28 + var BufferedReader = Java.type("java.io.BufferedReader"); 48.29 + var InputStreamReader = Java.type("java.io.InputStreamReader"); 48.30 + var ProcessBuilder = Java.type("java.lang.ProcessBuilder"); 48.31 + var System = Java.type("java.lang.System"); 48.32 48.33 -function prompt() { 48.34 - java.lang.System.out.print(">"); 48.35 -} 48.36 + // print prompt 48.37 + function prompt() { 48.38 + System.out.print("> "); 48.39 + } 48.40 48.41 -with (imports) { 48.42 - var reader = new BufferedReader(new InputStreamReader(System["in"])); 48.43 - var line = null; 48.44 + var reader = new BufferedReader(new InputStreamReader(System.in)); 48.45 prompt(); 48.46 - while ((line = reader.readLine()) != null) { 48.47 - if (line != "") { 48.48 - var args = line.split(" "); 48.49 + // read and evaluate each line from stdin 48.50 + reader.lines().forEach(function(line) { 48.51 + if (! line.isEmpty()) { 48.52 + var args = line.split(' '); 48.53 try { 48.54 - if (args[0] == "eval") { 48.55 - var code = line.substring("eval".length); 48.56 + // special 'eval' command to evaluate JS code 48.57 + if (args[0] == 'eval') { 48.58 + var code = line.substring('eval'.length); 48.59 var res = eval(code); 48.60 if (res != undefined) { 48.61 print(res); 48.62 } 48.63 } else { 48.64 - var argList = new ArrayList(); 48.65 - for (i in args) { argList.add(args[i]); } 48.66 - var procBuilder = new ProcessBuilder(argList); 48.67 - procBuilder.redirectErrorStream(); 48.68 - var proc = procBuilder.start(); 48.69 - var out = new BufferedReader(new InputStreamReader(proc.getInputStream())); 48.70 - var line = null; 48.71 - while ((line = out.readLine()) != null) { 48.72 - System.out.println(line); 48.73 - } 48.74 - proc.waitFor(); 48.75 + // build child process and start it! 48.76 + new ProcessBuilder(Arrays.asList(args)) 48.77 + .inheritIO() 48.78 + .start() 48.79 + .waitFor(); 48.80 } 48.81 } catch (e) { 48.82 + // print exception, if any 48.83 print(e); 48.84 } 48.85 } 48.86 prompt(); 48.87 - } 48.88 -} 48.89 + }) 48.90 +})()
49.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 49.2 +++ b/samples/stack.js Wed May 14 11:02:04 2014 -0700 49.3 @@ -0,0 +1,55 @@ 49.4 +/* 49.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 49.6 + * 49.7 + * Redistribution and use in source and binary forms, with or without 49.8 + * modification, are permitted provided that the following conditions 49.9 + * are met: 49.10 + * 49.11 + * - Redistributions of source code must retain the above copyright 49.12 + * notice, this list of conditions and the following disclaimer. 49.13 + * 49.14 + * - Redistributions in binary form must reproduce the above copyright 49.15 + * notice, this list of conditions and the following disclaimer in the 49.16 + * documentation and/or other materials provided with the distribution. 49.17 + * 49.18 + * - Neither the name of Oracle nor the names of its 49.19 + * contributors may be used to endorse or promote products derived 49.20 + * from this software without specific prior written permission. 49.21 + * 49.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 49.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 49.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 49.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 49.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 49.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 49.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 49.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 49.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 49.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 49.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 49.33 + */ 49.34 + 49.35 +// nashorn supports 'stack' property on ECMAScript 49.36 +// error objects. This property's value is a string 49.37 +// that shows script stack trace. 49.38 + 49.39 +function g() { 49.40 + throw new Error("wrong"); 49.41 +} 49.42 + 49.43 +function f() { 49.44 + g(); 49.45 +} 49.46 + 49.47 +// Output looks something like: 49.48 +// 49.49 +// Error: wrong 49.50 +// at g (stack.js:37) 49.51 +// at f (stack.js:41) 49.52 +// at <program> (stack.js:52) 49.53 + 49.54 +try { 49.55 + f(); 49.56 +} catch (e) { 49.57 + print(e.stack); 49.58 +}
50.1 --- a/samples/test.js Tue May 13 23:18:50 2014 -0700 50.2 +++ b/samples/test.js Wed May 14 11:02:04 2014 -0700 50.3 @@ -30,4 +30,3 @@ 50.4 */ 50.5 50.6 print("Hello World"); 50.7 -
51.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 51.2 +++ b/samples/uniform_random.js Wed May 14 11:02:04 2014 -0700 51.3 @@ -0,0 +1,49 @@ 51.4 +/* 51.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 51.6 + * 51.7 + * Redistribution and use in source and binary forms, with or without 51.8 + * modification, are permitted provided that the following conditions 51.9 + * are met: 51.10 + * 51.11 + * - Redistributions of source code must retain the above copyright 51.12 + * notice, this list of conditions and the following disclaimer. 51.13 + * 51.14 + * - Redistributions in binary form must reproduce the above copyright 51.15 + * notice, this list of conditions and the following disclaimer in the 51.16 + * documentation and/or other materials provided with the distribution. 51.17 + * 51.18 + * - Neither the name of Oracle nor the names of its 51.19 + * contributors may be used to endorse or promote products derived 51.20 + * from this software without specific prior written permission. 51.21 + * 51.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 51.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 51.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 51.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 51.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 51.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 51.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 51.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 51.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 51.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 51.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51.33 + */ 51.34 + 51.35 +// generate/print 100 uniformly distributed random values 51.36 +// and print summary statistics on it 51.37 + 51.38 +var DoubleStream = Java.type("java.util.stream.DoubleStream"); 51.39 + 51.40 +// pass script function when a lambda is required 51.41 +// Math.random passed here for double generator lambda 51.42 +// print passed to forEach method 51.43 + 51.44 +DoubleStream 51.45 + .generate(Math.random) 51.46 + .limit(100) 51.47 + .forEach(print); 51.48 + 51.49 +print(DoubleStream 51.50 + .generate(Math.random) 51.51 + .limit(100) 51.52 + .summaryStatistics());
52.1 --- a/samples/uniq.js Tue May 13 23:18:50 2014 -0700 52.2 +++ b/samples/uniq.js Wed May 14 11:02:04 2014 -0700 52.3 @@ -1,5 +1,5 @@ 52.4 /* 52.5 - * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 52.6 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 52.7 * 52.8 * Redistribution and use in source and binary forms, with or without 52.9 * modification, are permitted provided that the following conditions 52.10 @@ -29,27 +29,28 @@ 52.11 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 52.12 */ 52.13 52.14 -/** 52.15 - * Prints unique lines from a given file. 52.16 - */ 52.17 +// Usage: jjs uniq.js 52.18 +// or: jjs uniq.js -- <file> 52.19 52.20 -if (arguments.length != 1) { 52.21 - print("Usage: jjs uniq.js -- <file>"); 52.22 - java.lang.System.exit(1); 52.23 +// omit repeated lines and print unique lines 52.24 + 52.25 +var BufferedReader = Java.type("java.io.BufferedReader"); 52.26 +var FileReader = Java.type("java.io.FileReader"); 52.27 +var InputStreamReader = Java.type("java.io.InputStreamReader"); 52.28 +var System = Java.type("java.lang.System"); 52.29 + 52.30 +// use object as set - but insertion order preserved 52.31 +var uniqueLines = {}; 52.32 +var reader = arguments.length > 0 ? 52.33 + new FileReader(arguments[0]) : 52.34 + new InputStreamReader(System.in); 52.35 +reader = new BufferedReader(reader); 52.36 + 52.37 +// add unique lines 52.38 +reader.lines().forEach(function(line) { 52.39 + uniqueLines[line] = true; 52.40 +}) 52.41 + 52.42 +for (line in uniqueLines) { 52.43 + print(line); 52.44 } 52.45 - 52.46 -var imports = new JavaImporter(java.io); 52.47 - 52.48 -var uniqueLines = {}; 52.49 -with (imports) { 52.50 - var reader = new BufferedReader(new FileReader(arguments[0])); 52.51 - while ((line = reader.readLine()) != null) { 52.52 - // using a JS object as a map... 52.53 - uniqueLines[line] = true; 52.54 - } 52.55 -} 52.56 - 52.57 -// now print the collected lines 52.58 -for (i in uniqueLines) { 52.59 - print(i); 52.60 -}
53.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 53.2 +++ b/samples/uniqs.js Wed May 14 11:02:04 2014 -0700 53.3 @@ -0,0 +1,48 @@ 53.4 +/* 53.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 53.6 + * 53.7 + * Redistribution and use in source and binary forms, with or without 53.8 + * modification, are permitted provided that the following conditions 53.9 + * are met: 53.10 + * 53.11 + * - Redistributions of source code must retain the above copyright 53.12 + * notice, this list of conditions and the following disclaimer. 53.13 + * 53.14 + * - Redistributions in binary form must reproduce the above copyright 53.15 + * notice, this list of conditions and the following disclaimer in the 53.16 + * documentation and/or other materials provided with the distribution. 53.17 + * 53.18 + * - Neither the name of Oracle nor the names of its 53.19 + * contributors may be used to endorse or promote products derived 53.20 + * from this software without specific prior written permission. 53.21 + * 53.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 53.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 53.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 53.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 53.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 53.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 53.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 53.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 53.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 53.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 53.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53.33 + */ 53.34 + 53.35 +// Usage: jjs uniqs.js -- <file> 53.36 +// omit repeated lines and print unique lines 53.37 +// But this version uses Stream API 53.38 + 53.39 +if (arguments.length < 1) { 53.40 + print("Usage: jjs uniqs.js -- <file>"); 53.41 + exit(1); 53.42 +} 53.43 + 53.44 +var Files = Java.type("java.nio.file.Files"); 53.45 +var FileSystems = Java.type("java.nio.file.FileSystems"); 53.46 +print('Unique lines:', 53.47 + Files 53.48 + .lines(FileSystems.default.getPath(arguments[0])) 53.49 + .distinct() 53.50 + .peek(print) 53.51 + .count());
54.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 54.2 +++ b/samples/weather.js Wed May 14 11:02:04 2014 -0700 54.3 @@ -0,0 +1,63 @@ 54.4 +#// usage: jjs -scripting weather.js 54.5 + 54.6 +/* 54.7 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 54.8 + * 54.9 + * Redistribution and use in source and binary forms, with or without 54.10 + * modification, are permitted provided that the following conditions 54.11 + * are met: 54.12 + * 54.13 + * - Redistributions of source code must retain the above copyright 54.14 + * notice, this list of conditions and the following disclaimer. 54.15 + * 54.16 + * - Redistributions in binary form must reproduce the above copyright 54.17 + * notice, this list of conditions and the following disclaimer in the 54.18 + * documentation and/or other materials provided with the distribution. 54.19 + * 54.20 + * - Neither the name of Oracle nor the names of its 54.21 + * contributors may be used to endorse or promote products derived 54.22 + * from this software without specific prior written permission. 54.23 + * 54.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 54.25 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 54.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 54.27 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 54.28 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 54.29 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 54.30 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 54.31 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 54.32 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 54.33 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 54.34 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54.35 + */ 54.36 + 54.37 +// Simple nashorn example showing back-quote exec process, 54.38 +// JSON and Java8 streams 54.39 + 54.40 +var Arrays = Java.type("java.util.Arrays"); 54.41 + 54.42 +// use curl to download JSON weather data from the net 54.43 +// use backquote -scripting mode syntax to exec a process 54.44 + 54.45 +`curl http://api.openweathermap.org/data/2.5/forecast/daily?q=Chennai&mode=json&units=metric&cnt=7`; 54.46 + 54.47 +// parse JSON 54.48 +var weather = JSON.parse($OUT); 54.49 + 54.50 +// pull out humidity as array 54.51 +var humidity = weather.list.map(function(curVal) { 54.52 + return curVal.humidity; 54.53 +}) 54.54 + 54.55 +// Stream API to print stat 54.56 +print("Humidity"); 54.57 +print(Arrays["stream(int[])"](humidity).summaryStatistics()); 54.58 + 54.59 +// pull maximum day time temperature 54.60 +var temp = weather.list.map(function(curVal) { 54.61 + return curVal.temp.max; 54.62 +}); 54.63 + 54.64 +// Stream API to print stat 54.65 +print("Max Temperature"); 54.66 +print(Arrays["stream(double[])"](temp).summaryStatistics());
55.1 --- a/src/jdk/nashorn/api/scripting/NashornScriptEngine.java Tue May 13 23:18:50 2014 -0700 55.2 +++ b/src/jdk/nashorn/api/scripting/NashornScriptEngine.java Wed May 14 11:02:04 2014 -0700 55.3 @@ -27,16 +27,14 @@ 55.4 55.5 import static jdk.nashorn.internal.runtime.ECMAErrors.referenceError; 55.6 import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED; 55.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 55.8 55.9 import java.io.IOException; 55.10 -import java.io.InputStream; 55.11 -import java.io.InputStreamReader; 55.12 import java.io.Reader; 55.13 import java.lang.invoke.MethodHandles; 55.14 import java.lang.reflect.Method; 55.15 import java.lang.reflect.Modifier; 55.16 import java.net.URL; 55.17 -import java.nio.charset.Charset; 55.18 import java.security.AccessControlContext; 55.19 import java.security.AccessController; 55.20 import java.security.Permissions; 55.21 @@ -124,21 +122,21 @@ 55.22 } 55.23 } 55.24 55.25 - // load engine.js and return content as a char[] 55.26 + // load engine.js 55.27 @SuppressWarnings("resource") 55.28 - private static char[] loadEngineJSSource() { 55.29 + private static Source loadEngineJSSource() { 55.30 final String script = "resources/engine.js"; 55.31 try { 55.32 - final InputStream is = AccessController.doPrivileged( 55.33 - new PrivilegedExceptionAction<InputStream>() { 55.34 + return AccessController.doPrivileged( 55.35 + new PrivilegedExceptionAction<Source>() { 55.36 @Override 55.37 - public InputStream run() throws Exception { 55.38 + public Source run() throws IOException { 55.39 final URL url = NashornScriptEngine.class.getResource(script); 55.40 - return url.openStream(); 55.41 + return sourceFor(NashornException.ENGINE_SCRIPT_SOURCE_NAME, url); 55.42 } 55.43 - }); 55.44 - return Source.readFully(new InputStreamReader(is)); 55.45 - } catch (final PrivilegedActionException | IOException e) { 55.46 + } 55.47 + ); 55.48 + } catch (final PrivilegedActionException e) { 55.49 if (Context.DEBUG) { 55.50 e.printStackTrace(); 55.51 } 55.52 @@ -147,7 +145,7 @@ 55.53 } 55.54 55.55 // Source object for engine.js 55.56 - private static final Source ENGINE_SCRIPT_SRC = new Source(NashornException.ENGINE_SCRIPT_SOURCE_NAME, loadEngineJSSource()); 55.57 + private static final Source ENGINE_SCRIPT_SRC = loadEngineJSSource(); 55.58 55.59 NashornScriptEngine(final NashornScriptEngineFactory factory, final ClassLoader appLoader) { 55.60 this(factory, DEFAULT_OPTIONS, appLoader); 55.61 @@ -282,19 +280,14 @@ 55.62 55.63 private static Source makeSource(final Reader reader, final ScriptContext ctxt) throws ScriptException { 55.64 try { 55.65 - if (reader instanceof URLReader) { 55.66 - final URL url = ((URLReader)reader).getURL(); 55.67 - final Charset cs = ((URLReader)reader).getCharset(); 55.68 - return new Source(url.toString(), url, cs); 55.69 - } 55.70 - return new Source(getScriptName(ctxt), Source.readFully(reader)); 55.71 - } catch (final IOException e) { 55.72 + return sourceFor(getScriptName(ctxt), reader); 55.73 + } catch (IOException e) { 55.74 throw new ScriptException(e); 55.75 } 55.76 } 55.77 55.78 private static Source makeSource(final String src, final ScriptContext ctxt) { 55.79 - return new Source(getScriptName(ctxt), src); 55.80 + return sourceFor(getScriptName(ctxt), src); 55.81 } 55.82 55.83 private static String getScriptName(final ScriptContext ctxt) { 55.84 @@ -532,6 +525,31 @@ 55.85 return evalImpl(script, ctxt, getNashornGlobalFrom(ctxt)); 55.86 } 55.87 55.88 + private Object evalImpl(final Context.MultiGlobalCompiledScript mgcs, final ScriptContext ctxt, final Global ctxtGlobal) throws ScriptException { 55.89 + final Global oldGlobal = Context.getGlobal(); 55.90 + final boolean globalChanged = (oldGlobal != ctxtGlobal); 55.91 + try { 55.92 + if (globalChanged) { 55.93 + Context.setGlobal(ctxtGlobal); 55.94 + } 55.95 + 55.96 + final ScriptFunction script = mgcs.getFunction(ctxtGlobal); 55.97 + 55.98 + // set ScriptContext variables if ctxt is non-null 55.99 + if (ctxt != null) { 55.100 + setContextVariables(ctxtGlobal, ctxt); 55.101 + } 55.102 + return ScriptObjectMirror.translateUndefined(ScriptObjectMirror.wrap(ScriptRuntime.apply(script, ctxtGlobal), ctxtGlobal)); 55.103 + } catch (final Exception e) { 55.104 + throwAsScriptException(e, ctxtGlobal); 55.105 + throw new AssertionError("should not reach here"); 55.106 + } finally { 55.107 + if (globalChanged) { 55.108 + Context.setGlobal(oldGlobal); 55.109 + } 55.110 + } 55.111 + } 55.112 + 55.113 private Object evalImpl(final ScriptFunction script, final ScriptContext ctxt, final Global ctxtGlobal) throws ScriptException { 55.114 if (script == null) { 55.115 return null; 55.116 @@ -578,18 +596,38 @@ 55.117 } 55.118 55.119 private CompiledScript asCompiledScript(final Source source) throws ScriptException { 55.120 - final ScriptFunction func = compileImpl(source, context); 55.121 + final Context.MultiGlobalCompiledScript mgcs; 55.122 + final ScriptFunction func; 55.123 + final Global oldGlobal = Context.getGlobal(); 55.124 + final Global newGlobal = getNashornGlobalFrom(context); 55.125 + final boolean globalChanged = (oldGlobal != newGlobal); 55.126 + try { 55.127 + if (globalChanged) { 55.128 + Context.setGlobal(newGlobal); 55.129 + } 55.130 + 55.131 + mgcs = nashornContext.compileScript(source); 55.132 + func = mgcs.getFunction(newGlobal); 55.133 + } catch (final Exception e) { 55.134 + throwAsScriptException(e, newGlobal); 55.135 + throw new AssertionError("should not reach here"); 55.136 + } finally { 55.137 + if (globalChanged) { 55.138 + Context.setGlobal(oldGlobal); 55.139 + } 55.140 + } 55.141 + 55.142 return new CompiledScript() { 55.143 @Override 55.144 public Object eval(final ScriptContext ctxt) throws ScriptException { 55.145 final Global globalObject = getNashornGlobalFrom(ctxt); 55.146 - // Are we running the script in the correct global? 55.147 + // Are we running the script in the same global in which it was compiled? 55.148 if (func.getScope() == globalObject) { 55.149 return evalImpl(func, ctxt, globalObject); 55.150 } 55.151 - // ScriptContext with a different global. Compile again! 55.152 - // Note that we may still hit per-global compilation cache. 55.153 - return evalImpl(compileImpl(source, ctxt), ctxt, globalObject); 55.154 + 55.155 + // different global 55.156 + return evalImpl(mgcs, ctxt, globalObject); 55.157 } 55.158 @Override 55.159 public ScriptEngine getEngine() {
56.1 --- a/src/jdk/nashorn/internal/codegen/CodeGenerator.java Tue May 13 23:18:50 2014 -0700 56.2 +++ b/src/jdk/nashorn/internal/codegen/CodeGenerator.java Wed May 14 11:02:04 2014 -0700 56.3 @@ -1451,7 +1451,10 @@ 56.4 56.5 if (value == null) { 56.6 hasGettersSetters = true; 56.7 - } else if (key.equals(ScriptObject.PROTO_PROPERTY_NAME)) { 56.8 + } else if (propertyNode.getKey() instanceof IdentNode && 56.9 + key.equals(ScriptObject.PROTO_PROPERTY_NAME)) { 56.10 + // ES6 draft compliant __proto__ inside object literal 56.11 + // Identifier key and name is __proto__ 56.12 protoNode = value; 56.13 continue; 56.14 }
57.1 --- a/src/jdk/nashorn/internal/ir/debug/JSONWriter.java Tue May 13 23:18:50 2014 -0700 57.2 +++ b/src/jdk/nashorn/internal/ir/debug/JSONWriter.java Wed May 14 11:02:04 2014 -0700 57.3 @@ -25,6 +25,8 @@ 57.4 57.5 package jdk.nashorn.internal.ir.debug; 57.6 57.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 57.8 + 57.9 import java.util.Arrays; 57.10 import java.util.List; 57.11 import java.util.ArrayList; 57.12 @@ -88,7 +90,7 @@ 57.13 * @return JSON string representation of AST of the supplied code 57.14 */ 57.15 public static String parse(final ScriptEnvironment env, final String code, final String name, final boolean includeLoc) { 57.16 - final Parser parser = new Parser(env, new Source(name, code), new Context.ThrowErrorManager(), env._strict); 57.17 + final Parser parser = new Parser(env, sourceFor(name, code), new Context.ThrowErrorManager(), env._strict); 57.18 final JSONWriter jsonWriter = new JSONWriter(includeLoc); 57.19 try { 57.20 final FunctionNode functionNode = parser.parse(CompilerConstants.RUN_SCRIPT.symbolName());
58.1 --- a/src/jdk/nashorn/internal/objects/Global.java Tue May 13 23:18:50 2014 -0700 58.2 +++ b/src/jdk/nashorn/internal/objects/Global.java Wed May 14 11:02:04 2014 -0700 58.3 @@ -1906,6 +1906,13 @@ 58.4 // Object.getPrototypeOf(Function.prototype) === Object.prototype 58.5 anon.setInitialProto(ObjectPrototype); 58.6 58.7 + // ES6 draft compliant __proto__ property of Object.prototype 58.8 + // accessors on Object.prototype for "__proto__" 58.9 + final ScriptFunction getProto = ScriptFunctionImpl.makeFunction("getProto", ScriptObject.GETPROTO); 58.10 + final ScriptFunction setProto = ScriptFunctionImpl.makeFunction("setProto", ScriptObject.SETPROTOCHECK); 58.11 + ObjectPrototype.addOwnProperty("__proto__", Attribute.NOT_ENUMERABLE, getProto, setProto); 58.12 + 58.13 + 58.14 // Function valued properties of Function.prototype were not properly 58.15 // initialized. Because, these were created before global.function and 58.16 // global.object were not initialized.
59.1 --- a/src/jdk/nashorn/internal/objects/NativeFunction.java Tue May 13 23:18:50 2014 -0700 59.2 +++ b/src/jdk/nashorn/internal/objects/NativeFunction.java Wed May 14 11:02:04 2014 -0700 59.3 @@ -27,6 +27,7 @@ 59.4 59.5 import static jdk.nashorn.internal.runtime.ECMAErrors.typeError; 59.6 import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED; 59.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 59.8 59.9 import java.util.List; 59.10 59.11 @@ -257,7 +258,7 @@ 59.12 } 59.13 59.14 private static void checkFunctionParameters(final String params) { 59.15 - final Source src = new Source("<function>", params); 59.16 + final Source src = sourceFor("<function>", params); 59.17 final Parser parser = new Parser(Global.getEnv(), src, new Context.ThrowErrorManager()); 59.18 try { 59.19 parser.parseFormalParameterList(); 59.20 @@ -267,7 +268,7 @@ 59.21 } 59.22 59.23 private static void checkFunctionBody(final String funcBody) { 59.24 - final Source src = new Source("<function>", funcBody); 59.25 + final Source src = sourceFor("<function>", funcBody); 59.26 final Parser parser = new Parser(Global.getEnv(), src, new Context.ThrowErrorManager()); 59.27 try { 59.28 parser.parseFunctionBody();
60.1 --- a/src/jdk/nashorn/internal/parser/Parser.java Tue May 13 23:18:50 2014 -0700 60.2 +++ b/src/jdk/nashorn/internal/parser/Parser.java Wed May 14 11:02:04 2014 -0700 60.3 @@ -33,6 +33,7 @@ 60.4 import static jdk.nashorn.internal.parser.TokenType.CATCH; 60.5 import static jdk.nashorn.internal.parser.TokenType.COLON; 60.6 import static jdk.nashorn.internal.parser.TokenType.COMMARIGHT; 60.7 +import static jdk.nashorn.internal.parser.TokenType.CONST; 60.8 import static jdk.nashorn.internal.parser.TokenType.DECPOSTFIX; 60.9 import static jdk.nashorn.internal.parser.TokenType.DECPREFIX; 60.10 import static jdk.nashorn.internal.parser.TokenType.ELSE; 60.11 @@ -849,6 +850,11 @@ 60.12 expect(SEMICOLON); 60.13 break; 60.14 default: 60.15 + if (env._const_as_var && type == CONST) { 60.16 + variableStatement(true); 60.17 + break; 60.18 + } 60.19 + 60.20 if (type == IDENT || isNonStrictModeIdent()) { 60.21 if (T(k + 1) == COLON) { 60.22 labelStatement(); 60.23 @@ -1110,6 +1116,12 @@ 60.24 case SEMICOLON: 60.25 break; 60.26 default: 60.27 + if (env._const_as_var && type == CONST) { 60.28 + // Var statements captured in for outer block. 60.29 + vars = variableStatement(false); 60.30 + break; 60.31 + } 60.32 + 60.33 final Expression expression = expression(unaryExpression(), COMMARIGHT.getPrecedence(), true); 60.34 forNode = forNode.setInit(lc, expression); 60.35 break;
61.1 --- a/src/jdk/nashorn/internal/parser/TokenType.java Tue May 13 23:18:50 2014 -0700 61.2 +++ b/src/jdk/nashorn/internal/parser/TokenType.java Wed May 14 11:02:04 2014 -0700 61.3 @@ -111,7 +111,7 @@ 61.4 CATCH (KEYWORD, "catch"), 61.5 // CHAR (FUTURE, "char"), 61.6 CLASS (FUTURE, "class"), 61.7 - CONST (FUTURE, "const"), 61.8 + CONST (KEYWORD, "const"), 61.9 CONTINUE (KEYWORD, "continue"), 61.10 DEBUGGER (KEYWORD, "debugger"), 61.11 DEFAULT (KEYWORD, "default"),
62.1 --- a/src/jdk/nashorn/internal/runtime/Context.java Tue May 13 23:18:50 2014 -0700 62.2 +++ b/src/jdk/nashorn/internal/runtime/Context.java Wed May 14 11:02:04 2014 -0700 62.3 @@ -32,6 +32,7 @@ 62.4 import static jdk.nashorn.internal.lookup.Lookup.MH; 62.5 import static jdk.nashorn.internal.runtime.ECMAErrors.typeError; 62.6 import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED; 62.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 62.8 62.9 import java.io.File; 62.10 import java.io.IOException; 62.11 @@ -490,6 +491,39 @@ 62.12 } 62.13 62.14 /** 62.15 + * Interface to represent compiled code that can be re-used across many 62.16 + * global scope instances 62.17 + */ 62.18 + public static interface MultiGlobalCompiledScript { 62.19 + /** 62.20 + * Obtain script function object for a specific global scope object. 62.21 + * 62.22 + * @param newGlobal global scope for which function object is obtained 62.23 + * @return script function for script level expressions 62.24 + */ 62.25 + public ScriptFunction getFunction(final Global newGlobal); 62.26 + } 62.27 + 62.28 + /** 62.29 + * Compile a top level script. 62.30 + * 62.31 + * @param source the script source 62.32 + * @return reusable compiled script across many global scopes. 62.33 + */ 62.34 + public MultiGlobalCompiledScript compileScript(final Source source) { 62.35 + final Class<?> clazz = compile(source, this.errors, this._strict); 62.36 + final MethodHandle runMethodHandle = getRunScriptHandle(clazz); 62.37 + final boolean strict = isStrict(clazz); 62.38 + 62.39 + return new MultiGlobalCompiledScript() { 62.40 + @Override 62.41 + public ScriptFunction getFunction(final Global newGlobal) { 62.42 + return Context.getGlobal().newScriptFunction(RUN_SCRIPT.symbolName(), runMethodHandle, newGlobal, strict); 62.43 + } 62.44 + }; 62.45 + } 62.46 + 62.47 + /** 62.48 * Entry point for {@code eval} 62.49 * 62.50 * @param initialScope The scope of this eval call 62.51 @@ -502,7 +536,7 @@ 62.52 */ 62.53 public Object eval(final ScriptObject initialScope, final String string, final Object callThis, final Object location, final boolean strict) { 62.54 final String file = (location == UNDEFINED || location == null) ? "<eval>" : location.toString(); 62.55 - final Source source = new Source(file, string); 62.56 + final Source source = sourceFor(file, string); 62.57 final boolean directEval = location != UNDEFINED; // is this direct 'eval' call or indirectly invoked eval? 62.58 final Global global = Context.getGlobal(); 62.59 62.60 @@ -569,7 +603,7 @@ 62.61 public Source run() { 62.62 try { 62.63 final URL resURL = Context.class.getResource(resource); 62.64 - return (resURL != null)? new Source(srcStr, resURL) : null; 62.65 + return (resURL != null)? sourceFor(srcStr, resURL) : null; 62.66 } catch (final IOException exp) { 62.67 return null; 62.68 } 62.69 @@ -601,7 +635,7 @@ 62.70 final String srcStr = (String)src; 62.71 if (srcStr.startsWith(LOAD_CLASSPATH)) { 62.72 URL url = getResourceURL(srcStr.substring(LOAD_CLASSPATH.length())); 62.73 - source = (url != null)? new Source(url.toString(), url) : null; 62.74 + source = (url != null)? sourceFor(url.toString(), url) : null; 62.75 } else { 62.76 final File file = new File(srcStr); 62.77 if (srcStr.indexOf(':') != -1) { 62.78 @@ -614,31 +648,31 @@ 62.79 } catch (final MalformedURLException e) { 62.80 url = file.toURI().toURL(); 62.81 } 62.82 - source = new Source(url.toString(), url); 62.83 + source = sourceFor(url.toString(), url); 62.84 } 62.85 } else if (file.isFile()) { 62.86 - source = new Source(srcStr, file); 62.87 + source = sourceFor(srcStr, file); 62.88 } 62.89 } 62.90 } else if (src instanceof File && ((File)src).isFile()) { 62.91 final File file = (File)src; 62.92 - source = new Source(file.getName(), file); 62.93 + source = sourceFor(file.getName(), file); 62.94 } else if (src instanceof URL) { 62.95 final URL url = (URL)src; 62.96 - source = new Source(url.toString(), url); 62.97 + source = sourceFor(url.toString(), url); 62.98 } else if (src instanceof ScriptObject) { 62.99 final ScriptObject sobj = (ScriptObject)src; 62.100 if (sobj.has("script") && sobj.has("name")) { 62.101 final String script = JSType.toString(sobj.get("script")); 62.102 final String name = JSType.toString(sobj.get("name")); 62.103 - source = new Source(name, script); 62.104 + source = sourceFor(name, script); 62.105 } 62.106 } else if (src instanceof Map) { 62.107 final Map<?,?> map = (Map<?,?>)src; 62.108 if (map.containsKey("script") && map.containsKey("name")) { 62.109 final String script = JSType.toString(map.get("script")); 62.110 final String name = JSType.toString(map.get("name")); 62.111 - source = new Source(name, script); 62.112 + source = sourceFor(name, script); 62.113 } 62.114 } 62.115 62.116 @@ -949,14 +983,8 @@ 62.117 return ScriptRuntime.apply(script, thiz); 62.118 } 62.119 62.120 - private static ScriptFunction getRunScriptFunction(final Class<?> script, final ScriptObject scope) { 62.121 - if (script == null) { 62.122 - return null; 62.123 - } 62.124 - 62.125 - // Get run method - the entry point to the script 62.126 - final MethodHandle runMethodHandle = 62.127 - MH.findStatic( 62.128 + private static MethodHandle getRunScriptHandle(final Class<?> script) { 62.129 + return MH.findStatic( 62.130 MethodHandles.lookup(), 62.131 script, 62.132 RUN_SCRIPT.symbolName(), 62.133 @@ -964,15 +992,25 @@ 62.134 Object.class, 62.135 ScriptFunction.class, 62.136 Object.class)); 62.137 + } 62.138 62.139 - boolean strict; 62.140 + private static boolean isStrict(final Class<?> script) { 62.141 + try { 62.142 + return script.getField(STRICT_MODE.symbolName()).getBoolean(null); 62.143 + } catch (final NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) { 62.144 + return false; 62.145 + } 62.146 + } 62.147 62.148 - try { 62.149 - strict = script.getField(STRICT_MODE.symbolName()).getBoolean(null); 62.150 - } catch (final NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) { 62.151 - strict = false; 62.152 + private static ScriptFunction getRunScriptFunction(final Class<?> script, final ScriptObject scope) { 62.153 + if (script == null) { 62.154 + return null; 62.155 } 62.156 62.157 + // Get run method - the entry point to the script 62.158 + final MethodHandle runMethodHandle = getRunScriptHandle(script); 62.159 + boolean strict = isStrict(script); 62.160 + 62.161 // Package as a JavaScript function and pass function back to shell. 62.162 return Context.getGlobal().newScriptFunction(RUN_SCRIPT.symbolName(), runMethodHandle, scope, strict); 62.163 }
63.1 --- a/src/jdk/nashorn/internal/runtime/JSONFunctions.java Tue May 13 23:18:50 2014 -0700 63.2 +++ b/src/jdk/nashorn/internal/runtime/JSONFunctions.java Wed May 14 11:02:04 2014 -0700 63.3 @@ -39,6 +39,8 @@ 63.4 import jdk.nashorn.internal.runtime.arrays.ArrayIndex; 63.5 import jdk.nashorn.internal.runtime.linker.Bootstrap; 63.6 63.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 63.8 + 63.9 /** 63.10 * Utilities used by "JSON" object implementation. 63.11 */ 63.12 @@ -77,9 +79,7 @@ 63.13 */ 63.14 public static Object parse(final Object text, final Object reviver) { 63.15 final String str = JSType.toString(text); 63.16 - final JSONParser parser = new JSONParser( 63.17 - new Source("<json>", str), 63.18 - new Context.ThrowErrorManager()); 63.19 + final JSONParser parser = new JSONParser(sourceFor("<json>", str), new Context.ThrowErrorManager()); 63.20 63.21 Node node; 63.22
64.1 --- a/src/jdk/nashorn/internal/runtime/ScriptEnvironment.java Tue May 13 23:18:50 2014 -0700 64.2 +++ b/src/jdk/nashorn/internal/runtime/ScriptEnvironment.java Wed May 14 11:02:04 2014 -0700 64.3 @@ -62,6 +62,9 @@ 64.4 /** Only compile script, do not run it or generate other ScriptObjects */ 64.5 public final boolean _compile_only; 64.6 64.7 + /** Accept "const" keyword and treat it as variable. Interim feature */ 64.8 + public final boolean _const_as_var; 64.9 + 64.10 /** Accumulated callsite flags that will be used when bootstrapping script callsites */ 64.11 public final int _callsite_flags; 64.12 64.13 @@ -200,6 +203,7 @@ 64.14 64.15 _class_cache_size = options.getInteger("class.cache.size"); 64.16 _compile_only = options.getBoolean("compile.only"); 64.17 + _const_as_var = options.getBoolean("const.as.var"); 64.18 _debug_lines = options.getBoolean("debug.lines"); 64.19 _dest_dir = options.getString("d"); 64.20 _dump_on_error = options.getBoolean("doe");
65.1 --- a/src/jdk/nashorn/internal/runtime/ScriptObject.java Tue May 13 23:18:50 2014 -0700 65.2 +++ b/src/jdk/nashorn/internal/runtime/ScriptObject.java Wed May 14 11:02:04 2014 -0700 65.3 @@ -91,7 +91,7 @@ 65.4 */ 65.5 65.6 public abstract class ScriptObject implements PropertyAccess { 65.7 - /** __proto__ special property name */ 65.8 + /** __proto__ special property name inside object literals. ES6 draft. */ 65.9 public static final String PROTO_PROPERTY_NAME = "__proto__"; 65.10 65.11 /** Search fall back routine name for "no such method" */ 65.12 @@ -130,8 +130,10 @@ 65.13 /** Indexed array data. */ 65.14 private ArrayData arrayData; 65.15 65.16 - static final MethodHandle GETPROTO = findOwnMH("getProto", ScriptObject.class); 65.17 - static final MethodHandle SETPROTOCHECK = findOwnMH("setProtoCheck", void.class, Object.class); 65.18 + /** Method handle to retrive prototype of this object */ 65.19 + public static final MethodHandle GETPROTO = findOwnMH("getProto", ScriptObject.class); 65.20 + /** Method handle to set prototype of this object */ 65.21 + public static final MethodHandle SETPROTOCHECK = findOwnMH("setProtoCheck", void.class, Object.class); 65.22 static final MethodHandle MEGAMORPHIC_GET = findOwnMH("megamorphicGet", Object.class, String.class, boolean.class, boolean.class); 65.23 static final MethodHandle GLOBALFILTER = findOwnMH("globalFilter", Object.class, Object.class); 65.24 65.25 @@ -1732,10 +1734,6 @@ 65.26 MethodHandle methodHandle; 65.27 65.28 if (find == null) { 65.29 - if (PROTO_PROPERTY_NAME.equals(name)) { 65.30 - return new GuardedInvocation(GETPROTO, NashornGuards.getScriptObjectGuard()); 65.31 - } 65.32 - 65.33 if ("getProp".equals(operator)) { 65.34 return noSuchProperty(desc, request); 65.35 } else if ("getMethod".equals(operator)) { 65.36 @@ -1890,9 +1888,7 @@ 65.37 return createEmptySetMethod(desc, "property.not.writable", true); 65.38 } 65.39 } else { 65.40 - if (PROTO_PROPERTY_NAME.equals(name)) { 65.41 - return new GuardedInvocation(SETPROTOCHECK, NashornGuards.getScriptObjectGuard()); 65.42 - } else if (! isExtensible()) { 65.43 + if (! isExtensible()) { 65.44 return createEmptySetMethod(desc, "object.non.extensible", false); 65.45 } 65.46 }
66.1 --- a/src/jdk/nashorn/internal/runtime/Source.java Tue May 13 23:18:50 2014 -0700 66.2 +++ b/src/jdk/nashorn/internal/runtime/Source.java Wed May 14 11:02:04 2014 -0700 66.3 @@ -27,13 +27,16 @@ 66.4 66.5 import java.io.ByteArrayOutputStream; 66.6 import java.io.File; 66.7 +import java.io.FileNotFoundException; 66.8 import java.io.IOError; 66.9 import java.io.IOException; 66.10 import java.io.InputStream; 66.11 import java.io.Reader; 66.12 +import java.lang.ref.WeakReference; 66.13 import java.net.MalformedURLException; 66.14 import java.net.URISyntaxException; 66.15 import java.net.URL; 66.16 +import java.net.URLConnection; 66.17 import java.nio.charset.Charset; 66.18 import java.nio.charset.StandardCharsets; 66.19 import java.nio.file.Files; 66.20 @@ -43,13 +46,19 @@ 66.21 import java.security.NoSuchAlgorithmException; 66.22 import java.util.Arrays; 66.23 import java.util.Objects; 66.24 +import java.util.WeakHashMap; 66.25 +import jdk.nashorn.api.scripting.URLReader; 66.26 import jdk.nashorn.internal.parser.Token; 66.27 66.28 /** 66.29 * Source objects track the origin of JavaScript entities. 66.30 - * 66.31 */ 66.32 public final class Source { 66.33 + 66.34 + private static final DebugLogger DEBUG = new DebugLogger("source"); 66.35 + private static final int BUF_SIZE = 8 * 1024; 66.36 + private static final Cache CACHE = new Cache(); 66.37 + 66.38 /** 66.39 * Descriptive name of the source as supplied by the user. Used for error 66.40 * reporting to the user. For example, SyntaxError will use this to print message. 66.41 @@ -64,11 +73,8 @@ 66.42 */ 66.43 private final String base; 66.44 66.45 - /** Cached source content. */ 66.46 - private final char[] content; 66.47 - 66.48 - /** Length of source content. */ 66.49 - private final int length; 66.50 + /** Source content */ 66.51 + private final Data data; 66.52 66.53 /** Cached hash code */ 66.54 private int hash; 66.55 @@ -76,40 +82,297 @@ 66.56 /** Message digest */ 66.57 private byte[] digest; 66.58 66.59 - /** Source URL if available */ 66.60 - private final URL url; 66.61 + // Do *not* make this public, ever! Trusts the URL and content. 66.62 + private Source(final String name, final String base, final Data data) { 66.63 + this.name = name; 66.64 + this.base = base; 66.65 + this.data = data; 66.66 + } 66.67 66.68 - private static final int BUFSIZE = 8 * 1024; 66.69 + private static synchronized Source sourceFor(final String name, final String base, final URLData data) throws IOException { 66.70 + try { 66.71 + final Source newSource = new Source(name, base, data); 66.72 + final Source existingSource = CACHE.get(newSource); 66.73 + if (existingSource != null) { 66.74 + // Force any access errors 66.75 + data.checkPermissionAndClose(); 66.76 + return existingSource; 66.77 + } else { 66.78 + // All sources in cache must be fully loaded 66.79 + data.load(); 66.80 + CACHE.put(newSource, newSource); 66.81 + return newSource; 66.82 + } 66.83 + } catch (RuntimeException e) { 66.84 + final Throwable cause = e.getCause(); 66.85 + if (cause instanceof IOException) { 66.86 + throw (IOException) cause; 66.87 + } 66.88 + throw e; 66.89 + } 66.90 + } 66.91 66.92 - // Do *not* make this public ever! Trusts the URL and content. So has to be called 66.93 - // from other public constructors. Note that this can not be some init method as 66.94 - // we initialize final fields from here. 66.95 - private Source(final String name, final String base, final char[] content, final URL url) { 66.96 - this.name = name; 66.97 - this.base = base; 66.98 - this.content = content; 66.99 - this.length = content.length; 66.100 - this.url = url; 66.101 + private static class Cache extends WeakHashMap<Source, WeakReference<Source>> { 66.102 + public Source get(final Source key) { 66.103 + final WeakReference<Source> ref = super.get(key); 66.104 + return ref == null ? null : ref.get(); 66.105 + } 66.106 + 66.107 + public void put(final Source key, final Source value) { 66.108 + assert !(value.data instanceof RawData); 66.109 + put(key, new WeakReference<>(value)); 66.110 + } 66.111 + } 66.112 + 66.113 + // Wrapper to manage lazy loading 66.114 + private static interface Data { 66.115 + 66.116 + URL url(); 66.117 + 66.118 + int length(); 66.119 + 66.120 + long lastModified(); 66.121 + 66.122 + char[] array(); 66.123 + } 66.124 + 66.125 + private static class RawData implements Data { 66.126 + private final char[] array; 66.127 + private int hash; 66.128 + 66.129 + private RawData(final char[] array) { 66.130 + this.array = Objects.requireNonNull(array); 66.131 + } 66.132 + 66.133 + private RawData(final String source) { 66.134 + this.array = Objects.requireNonNull(source).toCharArray(); 66.135 + } 66.136 + 66.137 + private RawData(final Reader reader) throws IOException { 66.138 + this(readFully(reader)); 66.139 + } 66.140 + 66.141 + @Override 66.142 + public int hashCode() { 66.143 + int h = hash; 66.144 + if (h == 0) { 66.145 + h = hash = Arrays.hashCode(array); 66.146 + } 66.147 + return h; 66.148 + } 66.149 + 66.150 + @Override 66.151 + public boolean equals(Object obj) { 66.152 + if (this == obj) { 66.153 + return true; 66.154 + } 66.155 + if (obj instanceof RawData) { 66.156 + return Arrays.equals(array, ((RawData)obj).array); 66.157 + } 66.158 + return false; 66.159 + } 66.160 + 66.161 + @Override 66.162 + public String toString() { 66.163 + return new String(array()); 66.164 + } 66.165 + 66.166 + @Override 66.167 + public URL url() { 66.168 + return null; 66.169 + } 66.170 + 66.171 + @Override 66.172 + public int length() { 66.173 + return array.length; 66.174 + } 66.175 + 66.176 + @Override 66.177 + public long lastModified() { 66.178 + return 0; 66.179 + } 66.180 + 66.181 + @Override 66.182 + public char[] array() { 66.183 + return array; 66.184 + } 66.185 + 66.186 + 66.187 + } 66.188 + 66.189 + private static class URLData implements Data { 66.190 + private final URL url; 66.191 + protected final Charset cs; 66.192 + private int hash; 66.193 + protected char[] array; 66.194 + protected int length; 66.195 + protected long lastModified; 66.196 + 66.197 + private URLData(final URL url, final Charset cs) { 66.198 + this.url = Objects.requireNonNull(url); 66.199 + this.cs = cs; 66.200 + } 66.201 + 66.202 + @Override 66.203 + public int hashCode() { 66.204 + int h = hash; 66.205 + if (h == 0) { 66.206 + h = hash = url.hashCode(); 66.207 + } 66.208 + return h; 66.209 + } 66.210 + 66.211 + @Override 66.212 + public boolean equals(Object other) { 66.213 + if (this == other) { 66.214 + return true; 66.215 + } 66.216 + if (!(other instanceof URLData)) { 66.217 + return false; 66.218 + } 66.219 + 66.220 + URLData otherData = (URLData) other; 66.221 + 66.222 + if (url.equals(otherData.url)) { 66.223 + // Make sure both have meta data loaded 66.224 + try { 66.225 + if (isDeferred()) { 66.226 + // Data in cache is always loaded, and we only compare to cached data. 66.227 + assert !otherData.isDeferred(); 66.228 + loadMeta(); 66.229 + } else if (otherData.isDeferred()) { 66.230 + otherData.loadMeta(); 66.231 + } 66.232 + } catch (IOException e) { 66.233 + throw new RuntimeException(e); 66.234 + } 66.235 + 66.236 + // Compare meta data 66.237 + return this.length == otherData.length && this.lastModified == otherData.lastModified; 66.238 + } 66.239 + return false; 66.240 + } 66.241 + 66.242 + @Override 66.243 + public String toString() { 66.244 + return new String(array()); 66.245 + } 66.246 + 66.247 + @Override 66.248 + public URL url() { 66.249 + return url; 66.250 + } 66.251 + 66.252 + @Override 66.253 + public int length() { 66.254 + return length; 66.255 + } 66.256 + 66.257 + @Override 66.258 + public long lastModified() { 66.259 + return lastModified; 66.260 + } 66.261 + 66.262 + @Override 66.263 + public char[] array() { 66.264 + assert !isDeferred(); 66.265 + return array; 66.266 + } 66.267 + 66.268 + boolean isDeferred() { 66.269 + return array == null; 66.270 + } 66.271 + 66.272 + protected void checkPermissionAndClose() throws IOException { 66.273 + try (InputStream in = url.openStream()) {} 66.274 + debug("permission checked for ", url); 66.275 + } 66.276 + 66.277 + protected void load() throws IOException { 66.278 + if (array == null) { 66.279 + final URLConnection c = url.openConnection(); 66.280 + try (InputStream in = c.getInputStream()) { 66.281 + array = cs == null ? readFully(in) : readFully(in, cs); 66.282 + length = array.length; 66.283 + lastModified = c.getLastModified(); 66.284 + debug("loaded content for ", url); 66.285 + } 66.286 + } 66.287 + } 66.288 + 66.289 + protected void loadMeta() throws IOException { 66.290 + if (length == 0 && lastModified == 0) { 66.291 + final URLConnection c = url.openConnection(); 66.292 + length = c.getContentLength(); 66.293 + lastModified = c.getLastModified(); 66.294 + debug("loaded metadata for ", url); 66.295 + } 66.296 + } 66.297 + } 66.298 + 66.299 + private static class FileData extends URLData { 66.300 + private final File file; 66.301 + 66.302 + private FileData(final File file, final Charset cs) { 66.303 + super(getURLFromFile(file), cs); 66.304 + this.file = file; 66.305 + 66.306 + } 66.307 + 66.308 + @Override 66.309 + protected void checkPermissionAndClose() throws IOException { 66.310 + if (!file.canRead()) { 66.311 + throw new FileNotFoundException(file + " (Permission Denied)"); 66.312 + } 66.313 + debug("permission checked for ", file); 66.314 + } 66.315 + 66.316 + @Override 66.317 + protected void loadMeta() { 66.318 + if (length == 0 && lastModified == 0) { 66.319 + length = (int) file.length(); 66.320 + lastModified = file.lastModified(); 66.321 + debug("loaded metadata for ", file); 66.322 + } 66.323 + } 66.324 + 66.325 + @Override 66.326 + protected void load() throws IOException { 66.327 + if (array == null) { 66.328 + array = cs == null ? readFully(file) : readFully(file, cs); 66.329 + length = array.length; 66.330 + lastModified = file.lastModified(); 66.331 + debug("loaded content for ", file); 66.332 + } 66.333 + } 66.334 + } 66.335 + 66.336 + private static void debug(final Object... msg) { 66.337 + DEBUG.info(msg); 66.338 + } 66.339 + 66.340 + private char[] data() { 66.341 + return data.array(); 66.342 } 66.343 66.344 /** 66.345 - * Constructor 66.346 + * Returns an instance 66.347 * 66.348 * @param name source name 66.349 * @param content contents as char array 66.350 */ 66.351 - public Source(final String name, final char[] content) { 66.352 - this(name, baseName(name, null), content, null); 66.353 + public static Source sourceFor(final String name, final char[] content) { 66.354 + return new Source(name, baseName(name), new RawData(content)); 66.355 } 66.356 66.357 /** 66.358 - * Constructor 66.359 + * Returns an instance 66.360 * 66.361 * @param name source name 66.362 * @param content contents as string 66.363 */ 66.364 - public Source(final String name, final String content) { 66.365 - this(name, content.toCharArray()); 66.366 + public static Source sourceFor(final String name, final String content) { 66.367 + return new Source(name, baseName(name), new RawData(content)); 66.368 } 66.369 66.370 /** 66.371 @@ -120,8 +383,8 @@ 66.372 * 66.373 * @throws IOException if source cannot be loaded 66.374 */ 66.375 - public Source(final String name, final URL url) throws IOException { 66.376 - this(name, baseURL(url, null), readFully(url), url); 66.377 + public static Source sourceFor(final String name, final URL url) throws IOException { 66.378 + return sourceFor(name, url, null); 66.379 } 66.380 66.381 /** 66.382 @@ -133,8 +396,8 @@ 66.383 * 66.384 * @throws IOException if source cannot be loaded 66.385 */ 66.386 - public Source(final String name, final URL url, final Charset cs) throws IOException { 66.387 - this(name, baseURL(url, null), readFully(url, cs), url); 66.388 + public static Source sourceFor(final String name, final URL url, final Charset cs) throws IOException { 66.389 + return sourceFor(name, baseURL(url), new URLData(url, cs)); 66.390 } 66.391 66.392 /** 66.393 @@ -145,8 +408,8 @@ 66.394 * 66.395 * @throws IOException if source cannot be loaded 66.396 */ 66.397 - public Source(final String name, final File file) throws IOException { 66.398 - this(name, dirName(file, null), readFully(file), getURLFromFile(file)); 66.399 + public static Source sourceFor(final String name, final File file) throws IOException { 66.400 + return sourceFor(name, file, null); 66.401 } 66.402 66.403 /** 66.404 @@ -158,8 +421,25 @@ 66.405 * 66.406 * @throws IOException if source cannot be loaded 66.407 */ 66.408 - public Source(final String name, final File file, final Charset cs) throws IOException { 66.409 - this(name, dirName(file, null), readFully(file, cs), getURLFromFile(file)); 66.410 + public static Source sourceFor(final String name, final File file, final Charset cs) throws IOException { 66.411 + final File absFile = file.getAbsoluteFile(); 66.412 + return sourceFor(name, dirName(absFile, null), new FileData(file, cs)); 66.413 + } 66.414 + 66.415 + /** 66.416 + * Returns an instance 66.417 + * 66.418 + * @param name source name 66.419 + * @param reader reader from which source can be loaded 66.420 + * @throws IOException if source cannot be loaded 66.421 + */ 66.422 + public static Source sourceFor(final String name, final Reader reader) throws IOException { 66.423 + // Extract URL from URLReader to defer loading and reuse cached data if available. 66.424 + if (reader instanceof URLReader) { 66.425 + final URLReader urlReader = (URLReader) reader; 66.426 + return sourceFor(name, urlReader.getURL(), urlReader.getCharset()); 66.427 + } 66.428 + return new Source(name, baseName(name), new RawData(reader)); 66.429 } 66.430 66.431 @Override 66.432 @@ -167,21 +447,18 @@ 66.433 if (this == obj) { 66.434 return true; 66.435 } 66.436 - 66.437 if (!(obj instanceof Source)) { 66.438 return false; 66.439 } 66.440 - 66.441 - final Source src = (Source)obj; 66.442 - // Only compare content as a last resort measure 66.443 - return length == src.length && Objects.equals(url, src.url) && Objects.equals(name, src.name) && Arrays.equals(content, src.content); 66.444 + final Source other = (Source) obj; 66.445 + return Objects.equals(name, other.name) && data.equals(other.data); 66.446 } 66.447 66.448 @Override 66.449 public int hashCode() { 66.450 int h = hash; 66.451 if (h == 0) { 66.452 - h = hash = Arrays.hashCode(content) ^ Objects.hashCode(name); 66.453 + h = hash = data.hashCode() ^ Objects.hashCode(name); 66.454 } 66.455 return h; 66.456 } 66.457 @@ -191,7 +468,7 @@ 66.458 * @return Source content. 66.459 */ 66.460 public String getString() { 66.461 - return new String(content, 0, length); 66.462 + return data.toString(); 66.463 } 66.464 66.465 /** 66.466 @@ -203,6 +480,14 @@ 66.467 } 66.468 66.469 /** 66.470 + * Get the last modified time of this script. 66.471 + * @return Last modified time. 66.472 + */ 66.473 + public long getLastModified() { 66.474 + return data.lastModified(); 66.475 + } 66.476 + 66.477 + /** 66.478 * Get the "directory" part of the file or "base" of the URL. 66.479 * @return base of file or URL. 66.480 */ 66.481 @@ -217,7 +502,7 @@ 66.482 * @return Source content portion. 66.483 */ 66.484 public String getString(final int start, final int len) { 66.485 - return new String(content, start, len); 66.486 + return new String(data(), start, len); 66.487 } 66.488 66.489 /** 66.490 @@ -228,7 +513,7 @@ 66.491 public String getString(final long token) { 66.492 final int start = Token.descPosition(token); 66.493 final int len = Token.descLength(token); 66.494 - return new String(content, start, len); 66.495 + return new String(data(), start, len); 66.496 } 66.497 66.498 /** 66.499 @@ -238,7 +523,7 @@ 66.500 * @return URL source or null 66.501 */ 66.502 public URL getURL() { 66.503 - return url; 66.504 + return data.url(); 66.505 } 66.506 66.507 /** 66.508 @@ -247,8 +532,9 @@ 66.509 * @return Index of first character of line. 66.510 */ 66.511 private int findBOLN(final int position) { 66.512 + final char[] data = data(); 66.513 for (int i = position - 1; i > 0; i--) { 66.514 - final char ch = content[i]; 66.515 + final char ch = data[i]; 66.516 66.517 if (ch == '\n' || ch == '\r') { 66.518 return i + 1; 66.519 @@ -264,8 +550,10 @@ 66.520 * @return Index of last character of line. 66.521 */ 66.522 private int findEOLN(final int position) { 66.523 - for (int i = position; i < length; i++) { 66.524 - final char ch = content[i]; 66.525 + final char[] data = data(); 66.526 + final int length = data.length; 66.527 + for (int i = position; i < length; i++) { 66.528 + final char ch = data[i]; 66.529 66.530 if (ch == '\n' || ch == '\r') { 66.531 return i - 1; 66.532 @@ -285,11 +573,12 @@ 66.533 * @return Line number. 66.534 */ 66.535 public int getLine(final int position) { 66.536 + final char[] data = data(); 66.537 // Line count starts at 1. 66.538 int line = 1; 66.539 66.540 for (int i = 0; i < position; i++) { 66.541 - final char ch = content[i]; 66.542 + final char ch = data[i]; 66.543 // Works for both \n and \r\n. 66.544 if (ch == '\n') { 66.545 line++; 66.546 @@ -320,7 +609,7 @@ 66.547 // Find end of this line. 66.548 final int last = findEOLN(position); 66.549 66.550 - return new String(content, first, last - first + 1); 66.551 + return new String(data(), first, last - first + 1); 66.552 } 66.553 66.554 /** 66.555 @@ -328,7 +617,7 @@ 66.556 * @return content 66.557 */ 66.558 public char[] getContent() { 66.559 - return content.clone(); 66.560 + return data().clone(); 66.561 } 66.562 66.563 /** 66.564 @@ -336,19 +625,18 @@ 66.565 * @return length 66.566 */ 66.567 public int getLength() { 66.568 - return length; 66.569 + return data.length(); 66.570 } 66.571 66.572 /** 66.573 * Read all of the source until end of file. Return it as char array 66.574 * 66.575 - * @param reader reader opened to source stream 66.576 + * @param reader reader opened to source stream 66.577 * @return source as content 66.578 - * 66.579 * @throws IOException if source could not be read 66.580 */ 66.581 public static char[] readFully(final Reader reader) throws IOException { 66.582 - final char[] arr = new char[BUFSIZE]; 66.583 + final char[] arr = new char[BUF_SIZE]; 66.584 final StringBuilder sb = new StringBuilder(); 66.585 66.586 try { 66.587 @@ -366,9 +654,8 @@ 66.588 /** 66.589 * Read all of the source until end of file. Return it as char array 66.590 * 66.591 - * @param file source file 66.592 + * @param file source file 66.593 * @return source as content 66.594 - * 66.595 * @throws IOException if source could not be read 66.596 */ 66.597 public static char[] readFully(final File file) throws IOException { 66.598 @@ -381,10 +668,9 @@ 66.599 /** 66.600 * Read all of the source until end of file. Return it as char array 66.601 * 66.602 - * @param file source file 66.603 + * @param file source file 66.604 * @param cs Charset used to convert bytes to chars 66.605 * @return source as content 66.606 - * 66.607 * @throws IOException if source could not be read 66.608 */ 66.609 public static char[] readFully(final File file, final Charset cs) throws IOException { 66.610 @@ -393,7 +679,7 @@ 66.611 } 66.612 66.613 final byte[] buf = Files.readAllBytes(file.toPath()); 66.614 - return (cs != null)? new String(buf, cs).toCharArray() : byteToCharArray(buf); 66.615 + return (cs != null) ? new String(buf, cs).toCharArray() : byteToCharArray(buf); 66.616 } 66.617 66.618 /** 66.619 @@ -401,7 +687,6 @@ 66.620 * 66.621 * @param url URL to read content from 66.622 * @return source as content 66.623 - * 66.624 * @throws IOException if source could not be read 66.625 */ 66.626 public static char[] readFully(final URL url) throws IOException { 66.627 @@ -414,7 +699,6 @@ 66.628 * @param url URL to read content from 66.629 * @param cs Charset used to convert bytes to chars 66.630 * @return source as content 66.631 - * 66.632 * @throws IOException if source could not be read 66.633 */ 66.634 public static char[] readFully(final URL url, final Charset cs) throws IOException { 66.635 @@ -428,7 +712,7 @@ 66.636 */ 66.637 public synchronized byte[] getDigest() { 66.638 if (digest == null) { 66.639 - 66.640 + final char[] content = data(); 66.641 final byte[] bytes = new byte[content.length * 2]; 66.642 66.643 for (int i = 0; i < content.length; i++) { 66.644 @@ -444,8 +728,8 @@ 66.645 if (base != null) { 66.646 md.update(base.getBytes(StandardCharsets.UTF_8)); 66.647 } 66.648 - if (url != null) { 66.649 - md.update(url.toString().getBytes(StandardCharsets.UTF_8)); 66.650 + if (getURL() != null) { 66.651 + md.update(getURL().toString().getBytes(StandardCharsets.UTF_8)); 66.652 } 66.653 digest = md.digest(bytes); 66.654 } catch (NoSuchAlgorithmException e) { 66.655 @@ -461,50 +745,46 @@ 66.656 * @return base URL for url 66.657 */ 66.658 public static String baseURL(final URL url) { 66.659 - return baseURL(url, null); 66.660 - } 66.661 - 66.662 - private static String baseURL(final URL url, final String defaultValue) { 66.663 if (url.getProtocol().equals("file")) { 66.664 try { 66.665 final Path path = Paths.get(url.toURI()); 66.666 final Path parent = path.getParent(); 66.667 - return (parent != null) ? (parent + File.separator) : defaultValue; 66.668 + return (parent != null) ? (parent + File.separator) : null; 66.669 } catch (final SecurityException | URISyntaxException | IOError e) { 66.670 - return defaultValue; 66.671 + return null; 66.672 } 66.673 } 66.674 66.675 // FIXME: is there a better way to find 'base' URL of a given URL? 66.676 String path = url.getPath(); 66.677 if (path.isEmpty()) { 66.678 - return defaultValue; 66.679 + return null; 66.680 } 66.681 path = path.substring(0, path.lastIndexOf('/') + 1); 66.682 final int port = url.getPort(); 66.683 try { 66.684 return new URL(url.getProtocol(), url.getHost(), port, path).toString(); 66.685 } catch (final MalformedURLException e) { 66.686 - return defaultValue; 66.687 + return null; 66.688 } 66.689 } 66.690 66.691 - private static String dirName(final File file, final String defaultValue) { 66.692 + private static String dirName(final File file, final String DEFAULT_BASE_NAME) { 66.693 final String res = file.getParent(); 66.694 - return (res != null)? (res + File.separator) : defaultValue; 66.695 + return (res != null) ? (res + File.separator) : DEFAULT_BASE_NAME; 66.696 } 66.697 66.698 // fake directory like name 66.699 - private static String baseName(final String name, final String defaultValue) { 66.700 + private static String baseName(final String name) { 66.701 int idx = name.lastIndexOf('/'); 66.702 if (idx == -1) { 66.703 idx = name.lastIndexOf('\\'); 66.704 } 66.705 - return (idx != -1)? name.substring(0, idx + 1) : defaultValue; 66.706 + return (idx != -1) ? name.substring(0, idx + 1) : null; 66.707 } 66.708 66.709 private static char[] readFully(final InputStream is, final Charset cs) throws IOException { 66.710 - return (cs != null)? new String(readBytes(is), cs).toCharArray() : readFully(is); 66.711 + return (cs != null) ? new String(readBytes(is), cs).toCharArray() : readFully(is); 66.712 } 66.713 66.714 private static char[] readFully(final InputStream is) throws IOException { 66.715 @@ -515,19 +795,19 @@ 66.716 Charset cs = StandardCharsets.UTF_8; 66.717 int start = 0; 66.718 // BOM detection. 66.719 - if (bytes.length > 1 && bytes[0] == (byte)0xFE && bytes[1] == (byte)0xFF) { 66.720 + if (bytes.length > 1 && bytes[0] == (byte) 0xFE && bytes[1] == (byte) 0xFF) { 66.721 start = 2; 66.722 cs = StandardCharsets.UTF_16BE; 66.723 - } else if (bytes.length > 1 && bytes[0] == (byte)0xFF && bytes[1] == (byte)0xFE) { 66.724 + } else if (bytes.length > 1 && bytes[0] == (byte) 0xFF && bytes[1] == (byte) 0xFE) { 66.725 start = 2; 66.726 cs = StandardCharsets.UTF_16LE; 66.727 - } else if (bytes.length > 2 && bytes[0] == (byte)0xEF && bytes[1] == (byte)0xBB && bytes[2] == (byte)0xBF) { 66.728 + } else if (bytes.length > 2 && bytes[0] == (byte) 0xEF && bytes[1] == (byte) 0xBB && bytes[2] == (byte) 0xBF) { 66.729 start = 3; 66.730 cs = StandardCharsets.UTF_8; 66.731 - } else if (bytes.length > 3 && bytes[0] == (byte)0xFF && bytes[1] == (byte)0xFE && bytes[2] == 0 && bytes[3] == 0) { 66.732 + } else if (bytes.length > 3 && bytes[0] == (byte) 0xFF && bytes[1] == (byte) 0xFE && bytes[2] == 0 && bytes[3] == 0) { 66.733 start = 4; 66.734 cs = Charset.forName("UTF-32LE"); 66.735 - } else if (bytes.length > 3 && bytes[0] == 0 && bytes[1] == 0 && bytes[2] == (byte)0xFE && bytes[3] == (byte)0xFF) { 66.736 + } else if (bytes.length > 3 && bytes[0] == 0 && bytes[1] == 0 && bytes[2] == (byte) 0xFE && bytes[3] == (byte) 0xFF) { 66.737 start = 4; 66.738 cs = Charset.forName("UTF-32BE"); 66.739 } 66.740 @@ -536,7 +816,7 @@ 66.741 } 66.742 66.743 static byte[] readBytes(final InputStream is) throws IOException { 66.744 - final byte[] arr = new byte[BUFSIZE]; 66.745 + final byte[] arr = new byte[BUF_SIZE]; 66.746 try { 66.747 try (ByteArrayOutputStream buf = new ByteArrayOutputStream()) { 66.748 int numBytes;
67.1 --- a/src/jdk/nashorn/internal/runtime/regexp/JdkRegExp.java Tue May 13 23:18:50 2014 -0700 67.2 +++ b/src/jdk/nashorn/internal/runtime/regexp/JdkRegExp.java Wed May 14 11:02:04 2014 -0700 67.3 @@ -46,9 +46,6 @@ 67.4 /** Java regexp pattern to use for match. We compile to one of these */ 67.5 private Pattern pattern; 67.6 67.7 - /** The matcher */ 67.8 - private RegExpMatcher matcher; 67.9 - 67.10 /** 67.11 * Construct a Regular expression from the given {@code source} and {@code flags} strings. 67.12 * 67.13 @@ -95,14 +92,7 @@ 67.14 return null; // never matches or similar, e.g. a[] 67.15 } 67.16 67.17 - RegExpMatcher currentMatcher = this.matcher; 67.18 - 67.19 - if (currentMatcher == null || matcher.getInput() != str) { 67.20 - currentMatcher = new DefaultMatcher(str); 67.21 - this.matcher = currentMatcher; 67.22 - } 67.23 - 67.24 - return currentMatcher; 67.25 + return new DefaultMatcher(str); 67.26 } 67.27 67.28 class DefaultMatcher implements RegExpMatcher {
68.1 --- a/src/jdk/nashorn/internal/runtime/regexp/JoniRegExp.java Tue May 13 23:18:50 2014 -0700 68.2 +++ b/src/jdk/nashorn/internal/runtime/regexp/JoniRegExp.java Wed May 14 11:02:04 2014 -0700 68.3 @@ -44,9 +44,6 @@ 68.4 /** Compiled Joni Regex */ 68.5 private Regex regex; 68.6 68.7 - /** Matcher */ 68.8 - private RegExpMatcher matcher; 68.9 - 68.10 /** 68.11 * Construct a Regular expression from the given {@code pattern} and {@code flags} strings. 68.12 * 68.13 @@ -95,14 +92,7 @@ 68.14 return null; 68.15 } 68.16 68.17 - RegExpMatcher currentMatcher = this.matcher; 68.18 - 68.19 - if (currentMatcher == null || input != currentMatcher.getInput()) { 68.20 - currentMatcher = new JoniMatcher(input); 68.21 - this.matcher = currentMatcher; 68.22 - } 68.23 - 68.24 - return currentMatcher; 68.25 + return new JoniMatcher(input); 68.26 } 68.27 68.28 /**
69.1 --- a/src/jdk/nashorn/internal/runtime/regexp/joni/Regex.java Tue May 13 23:18:50 2014 -0700 69.2 +++ b/src/jdk/nashorn/internal/runtime/regexp/joni/Regex.java Wed May 14 11:02:04 2014 -0700 69.3 @@ -131,12 +131,13 @@ 69.4 this.warnings = null; 69.5 } 69.6 69.7 - public void compile() { 69.8 + public synchronized MatcherFactory compile() { 69.9 if (factory == null && analyser != null) { 69.10 - Compiler compiler = new ArrayCompiler(analyser); 69.11 + new ArrayCompiler(analyser).compile(); 69.12 analyser = null; // only do this once 69.13 - compiler.compile(); 69.14 } 69.15 + assert factory != null; 69.16 + return factory; 69.17 } 69.18 69.19 public Matcher matcher(char[] chars) { 69.20 @@ -144,8 +145,11 @@ 69.21 } 69.22 69.23 public Matcher matcher(char[] chars, int p, int end) { 69.24 - compile(); 69.25 - return factory.create(this, chars, p, end); 69.26 + MatcherFactory matcherFactory = factory; 69.27 + if (matcherFactory == null) { 69.28 + matcherFactory = compile(); 69.29 + } 69.30 + return matcherFactory.create(this, chars, p, end); 69.31 } 69.32 69.33 public WarnCallback getWarnings() {
70.1 --- a/src/jdk/nashorn/internal/runtime/resources/Options.properties Tue May 13 23:18:50 2014 -0700 70.2 +++ b/src/jdk/nashorn/internal/runtime/resources/Options.properties Wed May 14 11:02:04 2014 -0700 70.3 @@ -102,6 +102,13 @@ 70.4 type=Boolean \ 70.5 } 70.6 70.7 +nashorn.option.const.as.var = { \ 70.8 + name="--const-as-var", \ 70.9 + is_undocumented=true, \ 70.10 + desc="Replace 'const' with 'var'.", \ 70.11 + type=Boolean \ 70.12 +} 70.13 + 70.14 nashorn.option.d = { \ 70.15 name="--dump-debug-dir", \ 70.16 short_name="-d", \
71.1 --- a/src/jdk/nashorn/tools/Shell.java Tue May 13 23:18:50 2014 -0700 71.2 +++ b/src/jdk/nashorn/tools/Shell.java Wed May 14 11:02:04 2014 -0700 71.3 @@ -25,6 +25,8 @@ 71.4 71.5 package jdk.nashorn.tools; 71.6 71.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 71.8 + 71.9 import java.io.BufferedReader; 71.10 import java.io.File; 71.11 import java.io.FileReader; 71.12 @@ -50,7 +52,6 @@ 71.13 import jdk.nashorn.internal.runtime.Property; 71.14 import jdk.nashorn.internal.runtime.ScriptEnvironment; 71.15 import jdk.nashorn.internal.runtime.ScriptFunction; 71.16 -import jdk.nashorn.internal.runtime.ScriptObject; 71.17 import jdk.nashorn.internal.runtime.ScriptRuntime; 71.18 import jdk.nashorn.internal.runtime.Source; 71.19 import jdk.nashorn.internal.runtime.options.Options; 71.20 @@ -244,7 +245,7 @@ 71.21 71.22 // For each file on the command line. 71.23 for (final String fileName : files) { 71.24 - final FunctionNode functionNode = new Parser(env, new Source(fileName, new File(fileName)), errors).parse(); 71.25 + final FunctionNode functionNode = new Parser(env, sourceFor(fileName, new File(fileName)), errors).parse(); 71.26 71.27 if (errors.getNumberOfErrors() != 0) { 71.28 return COMPILATION_ERROR; 71.29 @@ -302,7 +303,7 @@ 71.30 } 71.31 71.32 final File file = new File(fileName); 71.33 - final ScriptFunction script = context.compileScript(new Source(fileName, file.toURI().toURL()), global); 71.34 + final ScriptFunction script = context.compileScript(sourceFor(fileName, file), global); 71.35 if (script == null || errors.getNumberOfErrors() != 0) { 71.36 return COMPILATION_ERROR; 71.37 } 71.38 @@ -405,7 +406,7 @@ 71.39 71.40 // initialize with "shell.js" script 71.41 try { 71.42 - final Source source = new Source("<shell.js>", Shell.class.getResource("resources/shell.js")); 71.43 + final Source source = sourceFor("<shell.js>", Shell.class.getResource("resources/shell.js")); 71.44 context.eval(global, source.getString(), global, "<shell.js>", false); 71.45 } catch (final Exception e) { 71.46 err.println(e); 71.47 @@ -452,7 +453,7 @@ 71.48 } 71.49 } finally { 71.50 if (globalChanged) { 71.51 - Context.setGlobal(global); 71.52 + Context.setGlobal(oldGlobal); 71.53 } 71.54 } 71.55
72.1 --- a/test/script/basic/JDK-8008448.js Tue May 13 23:18:50 2014 -0700 72.2 +++ b/test/script/basic/JDK-8008448.js Wed May 14 11:02:04 2014 -0700 72.3 @@ -26,6 +26,7 @@ 72.4 * Ensure that all parseable files can be parsed using parser API. 72.5 * 72.6 * @test 72.7 + * @option --const-as-var 72.8 * @option -scripting 72.9 * @run 72.10 */
73.1 --- a/test/script/basic/JDK-8024120.js Tue May 13 23:18:50 2014 -0700 73.2 +++ b/test/script/basic/JDK-8024120.js Wed May 14 11:02:04 2014 -0700 73.3 @@ -32,10 +32,6 @@ 73.4 73.5 obj.__proto__ = null; 73.6 73.7 -if (obj.__proto__ !== null || typeof(obj.__proto__) != 'object') { 73.8 - fail("obj.__proto__ is expected to be null"); 73.9 -} 73.10 - 73.11 var p = Object.getPrototypeOf(obj); 73.12 if (p !== null || typeof(p) != 'object') { 73.13 fail("Object.getPrototypeOf(obj) is expected to be null");
74.1 --- a/test/script/basic/JDK-8024174.js Tue May 13 23:18:50 2014 -0700 74.2 +++ b/test/script/basic/JDK-8024174.js Wed May 14 11:02:04 2014 -0700 74.3 @@ -46,6 +46,6 @@ 74.4 __proto__: null 74.5 }; 74.6 74.7 -if (obj2.__proto__ !== null || Object.getPrototypeOf(obj2) !== null) { 74.8 +if (Object.getPrototypeOf(obj2) !== null) { 74.9 fail("obj2.__proto__ was not set to null inside literal"); 74.10 }
75.1 --- a/test/script/basic/JDK-8026161.js Tue May 13 23:18:50 2014 -0700 75.2 +++ b/test/script/basic/JDK-8026161.js Wed May 14 11:02:04 2014 -0700 75.3 @@ -1,5 +1,5 @@ 75.4 /* 75.5 - * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 75.6 + * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. 75.7 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 75.8 * 75.9 * This code is free software; you can redistribute it and/or modify it 75.10 @@ -28,5 +28,5 @@ 75.11 * @run 75.12 */ 75.13 75.14 -print(new java.awt.Color(1, 1, 1)) // creates Color[r=1,g=1,b=1] 75.15 -print(new java.awt.Color(1.0, 1.0, 1.0)) // Color[r=255,g=255,b=255] 75.16 +print(Java.type("jdk.nashorn.test.models.IntFloatOverloadSelection").overloadedMethod(1)) 75.17 +print(Java.type("jdk.nashorn.test.models.IntFloatOverloadSelection").overloadedMethod(1.0))
76.1 --- a/test/script/basic/JDK-8026161.js.EXPECTED Tue May 13 23:18:50 2014 -0700 76.2 +++ b/test/script/basic/JDK-8026161.js.EXPECTED Wed May 14 11:02:04 2014 -0700 76.3 @@ -1,2 +1,2 @@ 76.4 -java.awt.Color[r=1,g=1,b=1] 76.5 -java.awt.Color[r=255,g=255,b=255] 76.6 +int 76.7 +float
77.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 77.2 +++ b/test/script/basic/JDK-8027933.js Wed May 14 11:02:04 2014 -0700 77.3 @@ -0,0 +1,38 @@ 77.4 +/* 77.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 77.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 77.7 + * 77.8 + * This code is free software; you can redistribute it and/or modify it 77.9 + * under the terms of the GNU General Public License version 2 only, as 77.10 + * published by the Free Software Foundation. 77.11 + * 77.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 77.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 77.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 77.15 + * version 2 for more details (a copy is included in the LICENSE file that 77.16 + * accompanied this code). 77.17 + * 77.18 + * You should have received a copy of the GNU General Public License version 77.19 + * 2 along with this work; if not, write to the Free Software Foundation, 77.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 77.21 + * 77.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 77.23 + * or visit www.oracle.com if you need additional information or have any 77.24 + * questions. 77.25 + */ 77.26 + 77.27 +/** 77.28 + * JDK-8027933: Add const.as.var option 77.29 + * 77.30 + * @test 77.31 + * @option --const-as-var 77.32 + * @run 77.33 + */ 77.34 + 77.35 +const THE_ANSWER = 42; 77.36 +print("Answer to all questions: " + THE_ANSWER); 77.37 + 77.38 +print((function () { 77.39 + const FORTY_TWO = 42; 77.40 + return FORTY_TWO 77.41 +})())
78.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 78.2 +++ b/test/script/basic/JDK-8027933.js.EXPECTED Wed May 14 11:02:04 2014 -0700 78.3 @@ -0,0 +1,2 @@ 78.4 +Answer to all questions: 42 78.5 +42
79.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 79.2 +++ b/test/script/basic/JDK-8041998.js Wed May 14 11:02:04 2014 -0700 79.3 @@ -0,0 +1,52 @@ 79.4 +/* 79.5 + * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. 79.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 79.7 + * 79.8 + * This code is free software; you can redistribute it and/or modify it 79.9 + * under the terms of the GNU General Public License version 2 only, as 79.10 + * published by the Free Software Foundation. 79.11 + * 79.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 79.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 79.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 79.15 + * version 2 for more details (a copy is included in the LICENSE file that 79.16 + * accompanied this code). 79.17 + * 79.18 + * You should have received a copy of the GNU General Public License version 79.19 + * 2 along with this work; if not, write to the Free Software Foundation, 79.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 79.21 + * 79.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 79.23 + * or visit www.oracle.com if you need additional information or have any 79.24 + * questions. 79.25 + */ 79.26 + 79.27 +/** 79.28 + * JDK-8041998: RegExp implementation is not thread-safe 79.29 + * 79.30 + * @test 79.31 + * @run 79.32 + */ 79.33 + 79.34 +var Thread = java.lang.Thread; 79.35 + 79.36 +function run() { 79.37 + var line = 'content-type: text/html'; 79.38 + for (var i = 0; i < 300; i++) { 79.39 + Thread.sleep(1); 79.40 + line.split(/: /); 79.41 + } 79.42 + print("done"); 79.43 +} 79.44 + 79.45 +var threads = []; 79.46 + 79.47 +for (var i = 0; i < 4; i++) { 79.48 + var thread = new Thread(run); 79.49 + thread.start(); 79.50 + threads.push(thread); 79.51 +} 79.52 + 79.53 +for (var i = 0; i < 4; i++) { 79.54 + threads[i].join(); 79.55 +}
80.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 80.2 +++ b/test/script/basic/JDK-8041998.js.EXPECTED Wed May 14 11:02:04 2014 -0700 80.3 @@ -0,0 +1,4 @@ 80.4 +done 80.5 +done 80.6 +done 80.7 +done
81.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 81.2 +++ b/test/script/basic/JDK-8042364.js Wed May 14 11:02:04 2014 -0700 81.3 @@ -0,0 +1,65 @@ 81.4 +/* 81.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 81.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 81.7 + * 81.8 + * This code is free software; you can redistribute it and/or modify it 81.9 + * under the terms of the GNU General Public License version 2 only, as 81.10 + * published by the Free Software Foundation. 81.11 + * 81.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 81.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 81.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 81.15 + * version 2 for more details (a copy is included in the LICENSE file that 81.16 + * accompanied this code). 81.17 + * 81.18 + * You should have received a copy of the GNU General Public License version 81.19 + * 2 along with this work; if not, write to the Free Software Foundation, 81.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 81.21 + * 81.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 81.23 + * or visit www.oracle.com if you need additional information or have any 81.24 + * questions. 81.25 + */ 81.26 + 81.27 +/** 81.28 + * JDK-8042364: Make __proto__ ES6 draft compliant 81.29 + * 81.30 + * @test 81.31 + * @run 81.32 + */ 81.33 + 81.34 +// check for Object.prototype.__proto__ accessor property 81.35 +print("Object.prototype has __proto__?", 81.36 + Object.prototype.hasOwnProperty("__proto__")) 81.37 + 81.38 +var desc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__") 81.39 +print("descriptor"); 81.40 +print(JSON.stringify(desc)) 81.41 +print("getter", desc.get) 81.42 +print("setter", desc.set) 81.43 + 81.44 +// no computed "__proto__" name, only identifier! 81.45 +var p = {} 81.46 +var obj = { 81.47 + "__proto__" : p 81.48 +} 81.49 + 81.50 +if (Object.getPrototypeOf(obj) === p) { 81.51 + fail("obj has wrong __proto__, allows computed __proto__!") 81.52 +} 81.53 + 81.54 +if (obj.__proto__ !== p) { 81.55 + fail("__proto__ not created as normal property!") 81.56 +} 81.57 + 81.58 +if (Object.getPrototypeOf(obj) !== Object.prototype) { 81.59 + fail("obj has wrong __proto__") 81.60 +} 81.61 + 81.62 +var obj2 = { 81.63 + __proto__: p 81.64 +} 81.65 + 81.66 +if (Object.getPrototypeOf(obj2) !== p) { 81.67 + fail("can't set __proto__ in object literal") 81.68 +}
82.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 82.2 +++ b/test/script/basic/JDK-8042364.js.EXPECTED Wed May 14 11:02:04 2014 -0700 82.3 @@ -0,0 +1,5 @@ 82.4 +Object.prototype has __proto__? true 82.5 +descriptor 82.6 +{"configurable":true,"enumerable":false} 82.7 +getter function getProto() { [native code] } 82.8 +setter function setProto() { [native code] }
83.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 83.2 +++ b/test/script/error/JDK-8027933.js Wed May 14 11:02:04 2014 -0700 83.3 @@ -0,0 +1,31 @@ 83.4 +/* 83.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 83.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 83.7 + * 83.8 + * This code is free software; you can redistribute it and/or modify it 83.9 + * under the terms of the GNU General Public License version 2 only, as 83.10 + * published by the Free Software Foundation. 83.11 + * 83.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 83.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 83.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 83.15 + * version 2 for more details (a copy is included in the LICENSE file that 83.16 + * accompanied this code). 83.17 + * 83.18 + * You should have received a copy of the GNU General Public License version 83.19 + * 2 along with this work; if not, write to the Free Software Foundation, 83.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 83.21 + * 83.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 83.23 + * or visit www.oracle.com if you need additional information or have any 83.24 + * questions. 83.25 + */ 83.26 + 83.27 +/** 83.28 + * JDK-8027933: Add const.as.var option 83.29 + * 83.30 + * @test/compile-error 83.31 + */ 83.32 + 83.33 +// without --const-as-var the following should fail to compile 83.34 +const THE_ANSWER = 42;
84.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 84.2 +++ b/test/script/error/JDK-8027933.js.EXPECTED Wed May 14 11:02:04 2014 -0700 84.3 @@ -0,0 +1,3 @@ 84.4 +test/script/error/JDK-8027933.js:31:0 Expected an operand but found const 84.5 +const THE_ANSWER = 42; 84.6 +^
85.1 --- a/test/script/trusted/JDK-8006529.js Tue May 13 23:18:50 2014 -0700 85.2 +++ b/test/script/trusted/JDK-8006529.js Wed May 14 11:02:04 2014 -0700 85.3 @@ -113,7 +113,7 @@ 85.4 var getContextMethod = Context.class.getMethod("getContext") 85.5 var getEnvMethod = Context.class.getMethod("getEnv") 85.6 85.7 -var SourceConstructor = Source.class.getConstructor(java.lang.String.class, java.lang.String.class) 85.8 +var sourceForMethod = Source.class.getMethod("sourceFor", java.lang.String.class, java.lang.String.class) 85.9 var ParserConstructor = Parser.class.getConstructor(ScriptEnvironment.class, Source.class, ErrorManager.class) 85.10 var CompilerConstructor = Compiler.class.getConstructor(ScriptEnvironment.class) 85.11 85.12 @@ -121,7 +121,7 @@ 85.13 // source code, returns a jdk.nashorn.internal.ir.FunctionNode object 85.14 // representing it. 85.15 function compile(source) { 85.16 - var source = SourceConstructor.newInstance("<no name>", source); 85.17 + var source = sourceForMethod.invoke(null, "<no name>", source); 85.18 85.19 var env = getEnvMethod.invoke(getContextMethod.invoke(null)) 85.20
86.1 --- a/test/src/jdk/nashorn/internal/codegen/CompilerTest.java Tue May 13 23:18:50 2014 -0700 86.2 +++ b/test/src/jdk/nashorn/internal/codegen/CompilerTest.java Wed May 14 11:02:04 2014 -0700 86.3 @@ -25,6 +25,9 @@ 86.4 86.5 package jdk.nashorn.internal.codegen; 86.6 86.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 86.8 +import static jdk.nashorn.internal.runtime.Source.readFully; 86.9 + 86.10 import java.io.File; 86.11 import java.io.PrintWriter; 86.12 import java.io.StringWriter; 86.13 @@ -32,7 +35,6 @@ 86.14 import jdk.nashorn.internal.runtime.Context; 86.15 import jdk.nashorn.internal.runtime.ErrorManager; 86.16 import jdk.nashorn.internal.runtime.ScriptFunction; 86.17 -import jdk.nashorn.internal.runtime.ScriptObject; 86.18 import jdk.nashorn.internal.runtime.Source; 86.19 import jdk.nashorn.internal.runtime.options.Options; 86.20 import org.testng.Assert; 86.21 @@ -69,6 +71,7 @@ 86.22 options.set("print.ast", true); 86.23 options.set("print.parse", true); 86.24 options.set("scripting", true); 86.25 + options.set("const.as.var", true); 86.26 86.27 final ErrorManager errors = new ErrorManager() { 86.28 @Override 86.29 @@ -151,7 +154,7 @@ 86.30 final boolean globalChanged = (oldGlobal != global); 86.31 86.32 try { 86.33 - final char[] buffer = Source.readFully(file); 86.34 + final char[] buffer = readFully(file); 86.35 boolean excluded = false; 86.36 86.37 if (filter != null) { 86.38 @@ -170,7 +173,7 @@ 86.39 if (globalChanged) { 86.40 Context.setGlobal(global); 86.41 } 86.42 - final Source source = new Source(file.getAbsolutePath(), buffer); 86.43 + final Source source = sourceFor(file.getAbsolutePath(), buffer); 86.44 final ScriptFunction script = context.compileScript(source, global); 86.45 if (script == null || context.getErrorManager().getNumberOfErrors() > 0) { 86.46 log("Compile failed: " + file.getAbsolutePath());
87.1 --- a/test/src/jdk/nashorn/internal/parser/ParserTest.java Tue May 13 23:18:50 2014 -0700 87.2 +++ b/test/src/jdk/nashorn/internal/parser/ParserTest.java Wed May 14 11:02:04 2014 -0700 87.3 @@ -25,6 +25,9 @@ 87.4 87.5 package jdk.nashorn.internal.parser; 87.6 87.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 87.8 +import static jdk.nashorn.internal.runtime.Source.readFully; 87.9 + 87.10 import java.io.File; 87.11 import jdk.nashorn.internal.runtime.Context; 87.12 import jdk.nashorn.internal.runtime.ErrorManager; 87.13 @@ -62,6 +65,7 @@ 87.14 options.set("anon.functions", true); 87.15 options.set("parse.only", true); 87.16 options.set("scripting", true); 87.17 + options.set("const.as.var", true); 87.18 87.19 ErrorManager errors = new ErrorManager(); 87.20 this.context = new Context(options, errors, Thread.currentThread().getContextClassLoader()); 87.21 @@ -131,7 +135,7 @@ 87.22 } 87.23 87.24 try { 87.25 - final char[] buffer = Source.readFully(file); 87.26 + final char[] buffer = readFully(file); 87.27 boolean excluded = false; 87.28 if (filter != null) { 87.29 final String content = new String(buffer); 87.30 @@ -153,7 +157,7 @@ 87.31 } 87.32 }; 87.33 errors.setLimit(0); 87.34 - final Source source = new Source(file.getAbsolutePath(), buffer); 87.35 + final Source source = sourceFor(file.getAbsolutePath(), buffer); 87.36 new Parser(context.getEnv(), source, errors).parse(); 87.37 if (errors.getNumberOfErrors() > 0) { 87.38 log("Parse failed: " + file.getAbsolutePath());
88.1 --- a/test/src/jdk/nashorn/internal/runtime/ContextTest.java Tue May 13 23:18:50 2014 -0700 88.2 +++ b/test/src/jdk/nashorn/internal/runtime/ContextTest.java Wed May 14 11:02:04 2014 -0700 88.3 @@ -25,6 +25,7 @@ 88.4 88.5 package jdk.nashorn.internal.runtime; 88.6 88.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 88.8 import static org.testng.Assert.assertEquals; 88.9 import static org.testng.Assert.assertTrue; 88.10 88.11 @@ -107,7 +108,7 @@ 88.12 } 88.13 88.14 private Object eval(final Context cx, final String name, final String code) { 88.15 - final Source source = new Source(name, code); 88.16 + final Source source = sourceFor(name, code); 88.17 final ScriptObject global = Context.getGlobal(); 88.18 final ScriptFunction func = cx.compileScript(source, global); 88.19 return func != null ? ScriptRuntime.apply(func, global) : null;
89.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 89.2 +++ b/test/src/jdk/nashorn/internal/runtime/SourceTest.java Wed May 14 11:02:04 2014 -0700 89.3 @@ -0,0 +1,128 @@ 89.4 +/* 89.5 + * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. 89.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 89.7 + * 89.8 + * This code is free software; you can redistribute it and/or modify it 89.9 + * under the terms of the GNU General Public License version 2 only, as 89.10 + * published by the Free Software Foundation. Oracle designates this 89.11 + * particular file as subject to the "Classpath" exception as provided 89.12 + * by Oracle in the LICENSE file that accompanied this code. 89.13 + * 89.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 89.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 89.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 89.17 + * version 2 for more details (a copy is included in the LICENSE file that 89.18 + * accompanied this code). 89.19 + * 89.20 + * You should have received a copy of the GNU General Public License version 89.21 + * 2 along with this work; if not, write to the Free Software Foundation, 89.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 89.23 + * 89.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 89.25 + * or visit www.oracle.com if you need additional information or have any 89.26 + * questions. 89.27 + */ 89.28 + 89.29 +package jdk.nashorn.internal.runtime; 89.30 + 89.31 +import jdk.nashorn.api.scripting.URLReader; 89.32 +import org.testng.annotations.Test; 89.33 + 89.34 +import java.io.File; 89.35 +import java.io.IOException; 89.36 +import java.io.InputStreamReader; 89.37 +import java.io.Reader; 89.38 +import java.net.URL; 89.39 +import java.util.Arrays; 89.40 + 89.41 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 89.42 +import static org.testng.Assert.assertEquals; 89.43 +import static org.testng.Assert.assertTrue; 89.44 +import static org.testng.Assert.fail; 89.45 + 89.46 +/** 89.47 + * Tests different Source representations. 89.48 + */ 89.49 +public class SourceTest { 89.50 + 89.51 + final private static String SOURCE_NAME = "source.js"; 89.52 + final private static String SOURCE_STRING = "var x = 1;"; 89.53 + final private static char[] SOURCE_CHARS = SOURCE_STRING.toCharArray(); 89.54 + final private static String RESOURCE_PATH = "resources/load_test.js"; 89.55 + final private static File SOURCE_FILE = new File("build/test/classes/jdk/nashorn/internal/runtime/" + RESOURCE_PATH); 89.56 + final private static URL SOURCE_URL = SourceTest.class.getResource(RESOURCE_PATH); 89.57 + 89.58 + 89.59 + @Test 89.60 + public void testStringSource() { 89.61 + testSources(sourceFor(SOURCE_NAME, SOURCE_STRING), sourceFor(SOURCE_NAME, SOURCE_STRING)); 89.62 + testSources(sourceFor(SOURCE_NAME, SOURCE_STRING), sourceFor(SOURCE_NAME, SOURCE_CHARS)); 89.63 + } 89.64 + 89.65 + @Test 89.66 + public void testCharArraySource() { 89.67 + testSources(sourceFor(SOURCE_NAME, SOURCE_CHARS), sourceFor(SOURCE_NAME, SOURCE_CHARS)); 89.68 + testSources(sourceFor(SOURCE_NAME, SOURCE_CHARS), sourceFor(SOURCE_NAME, SOURCE_STRING)); 89.69 + } 89.70 + 89.71 + @Test 89.72 + public void testURLSource() { 89.73 + try { 89.74 + testSources(sourceFor(SOURCE_NAME, SOURCE_URL), sourceFor(SOURCE_NAME, SOURCE_URL)); 89.75 + testSources(sourceFor(SOURCE_NAME, SOURCE_URL), sourceFor(SOURCE_NAME, new URLReader(SOURCE_URL))); 89.76 + 89.77 + } catch (final IOException e) { 89.78 + fail(e.toString()); 89.79 + } 89.80 + } 89.81 + 89.82 + @Test 89.83 + public void testURLReaderSource() { 89.84 + try { 89.85 + System.err.println(SourceTest.class.getResource("")); 89.86 + testSources(sourceFor(SOURCE_NAME, new URLReader(SOURCE_URL)), sourceFor(SOURCE_NAME, new URLReader(SOURCE_URL))); 89.87 + testSources(sourceFor(SOURCE_NAME, new URLReader(SOURCE_URL)), sourceFor(SOURCE_NAME, SOURCE_URL)); 89.88 + } catch (final IOException e) { 89.89 + fail(e.toString()); 89.90 + } 89.91 + } 89.92 + 89.93 + @Test 89.94 + public void testReaderSource() { 89.95 + try { 89.96 + testSources(sourceFor(SOURCE_NAME, getReader(RESOURCE_PATH)), sourceFor(SOURCE_NAME, getReader(RESOURCE_PATH))); 89.97 + } catch (final IOException e) { 89.98 + fail(e.toString()); 89.99 + } 89.100 + } 89.101 + 89.102 + @Test 89.103 + public void testFileSource() { 89.104 + try { 89.105 + testSources(sourceFor(SOURCE_NAME, SOURCE_FILE), sourceFor(SOURCE_NAME, SOURCE_FILE)); 89.106 + } catch (final IOException e) { 89.107 + fail(e.toString()); 89.108 + } 89.109 + } 89.110 + 89.111 + private Reader getReader(final String path) { 89.112 + return new InputStreamReader(SourceTest.class.getResourceAsStream(path)); 89.113 + } 89.114 + 89.115 + private void testSources(final Source source1, final Source source2) { 89.116 + final char[] chars1 = source1.getContent(); 89.117 + final char[] chars2 = source2.getContent(); 89.118 + final String str1 = source1.getString(); 89.119 + final String str2 = source2.getString(); 89.120 + assertTrue(Arrays.equals(chars1, chars2)); 89.121 + assertEquals(str1, str2); 89.122 + assertEquals(source1.hashCode(), source2.hashCode()); 89.123 + assertTrue(source1.equals(source2)); 89.124 + // Test for immutability 89.125 + Arrays.fill(source1.getContent(), (char)0); 89.126 + Arrays.fill(source2.getContent(), (char)1); 89.127 + assertTrue(Arrays.equals(source1.getContent(), str1.toCharArray())); 89.128 + assertTrue(Arrays.equals(source1.getContent(), chars1)); 89.129 + assertTrue(Arrays.equals(source1.getContent(), source2.getContent())); 89.130 + } 89.131 +}
90.1 --- a/test/src/jdk/nashorn/internal/runtime/TrustedScriptEngineTest.java Tue May 13 23:18:50 2014 -0700 90.2 +++ b/test/src/jdk/nashorn/internal/runtime/TrustedScriptEngineTest.java Wed May 14 11:02:04 2014 -0700 90.3 @@ -220,4 +220,19 @@ 90.4 // bar should be visible in default context 90.5 assertTrue(e.eval("typeof bar").equals("function")); 90.6 } 90.7 + 90.8 + 90.9 + @Test public void nashornSwallowsConstKeyword() throws Exception { 90.10 + final NashornScriptEngineFactory f = new NashornScriptEngineFactory(); 90.11 + final String[] args = new String[] { "--const-as-var" }; 90.12 + final ScriptEngine engine = f.getScriptEngine(args); 90.13 + 90.14 + final Object ret = engine.eval("" 90.15 + + "(function() {\n" 90.16 + + " const x = 10;\n" 90.17 + + " return x;\n" 90.18 + + "})();" 90.19 + ); 90.20 + assertEquals(ret, 10, "Parsed and executed OK"); 90.21 + } 90.22 }
91.1 --- a/test/src/jdk/nashorn/internal/test/framework/SharedContextEvaluator.java Tue May 13 23:18:50 2014 -0700 91.2 +++ b/test/src/jdk/nashorn/internal/test/framework/SharedContextEvaluator.java Wed May 14 11:02:04 2014 -0700 91.3 @@ -25,6 +25,7 @@ 91.4 91.5 package jdk.nashorn.internal.test.framework; 91.6 91.7 +import static jdk.nashorn.internal.runtime.Source.sourceFor; 91.8 import static jdk.nashorn.tools.Shell.COMPILATION_ERROR; 91.9 import static jdk.nashorn.tools.Shell.RUNTIME_ERROR; 91.10 import static jdk.nashorn.tools.Shell.SUCCESS; 91.11 @@ -39,7 +40,6 @@ 91.12 import jdk.nashorn.internal.runtime.ErrorManager; 91.13 import jdk.nashorn.internal.runtime.ScriptFunction; 91.14 import jdk.nashorn.internal.runtime.ScriptRuntime; 91.15 -import jdk.nashorn.internal.runtime.Source; 91.16 import jdk.nashorn.internal.runtime.options.Options; 91.17 91.18 /** 91.19 @@ -125,7 +125,7 @@ 91.20 continue; 91.21 } 91.22 final File file = new File(fileName); 91.23 - ScriptFunction script = context.compileScript(new Source(fileName, file.toURI().toURL()), global); 91.24 + ScriptFunction script = context.compileScript(sourceFor(fileName, file.toURI().toURL()), global); 91.25 91.26 if (script == null || errors.getNumberOfErrors() != 0) { 91.27 return COMPILATION_ERROR;
92.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 92.2 +++ b/test/src/jdk/nashorn/test/models/IntFloatOverloadSelection.java Wed May 14 11:02:04 2014 -0700 92.3 @@ -0,0 +1,36 @@ 92.4 +/* 92.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 92.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 92.7 + * 92.8 + * This code is free software; you can redistribute it and/or modify it 92.9 + * under the terms of the GNU General Public License version 2 only, as 92.10 + * published by the Free Software Foundation. Oracle designates this 92.11 + * particular file as subject to the "Classpath" exception as provided 92.12 + * by Oracle in the LICENSE file that accompanied this code. 92.13 + * 92.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 92.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 92.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 92.17 + * version 2 for more details (a copy is included in the LICENSE file that 92.18 + * accompanied this code). 92.19 + * 92.20 + * You should have received a copy of the GNU General Public License version 92.21 + * 2 along with this work; if not, write to the Free Software Foundation, 92.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 92.23 + * 92.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 92.25 + * or visit www.oracle.com if you need additional information or have any 92.26 + * questions. 92.27 + */ 92.28 +package jdk.nashorn.test.models; 92.29 + 92.30 +public class IntFloatOverloadSelection { 92.31 + 92.32 + public static String overloadedMethod(int i) { 92.33 + return "int"; 92.34 + } 92.35 + 92.36 + public static String overloadedMethod(float f) { 92.37 + return "float"; 92.38 + } 92.39 +}
93.1 --- a/test/src/jdk/nashorn/test/models/SourceHelper.java Tue May 13 23:18:50 2014 -0700 93.2 +++ b/test/src/jdk/nashorn/test/models/SourceHelper.java Wed May 14 11:02:04 2014 -0700 93.3 @@ -46,7 +46,7 @@ 93.4 } 93.5 93.6 public static String readFully(final URL url) throws IOException { 93.7 - return new Source(url.toString(), url).getString(); 93.8 + return Source.sourceFor(url.toString(), url).getString(); 93.9 } 93.10 93.11 public static String readFully(final Reader reader) throws IOException {
