diff --git a/nashorn/src/jdk/nashorn/api/scripting/Formatter.java b/nashorn/src/jdk/nashorn/api/scripting/Formatter.java index 3b47d3479e4..5cb19ed47af 100644 --- a/nashorn/src/jdk/nashorn/api/scripting/Formatter.java +++ b/nashorn/src/jdk/nashorn/api/scripting/Formatter.java @@ -46,7 +46,7 @@ import java.util.regex.Pattern; *

Pattern and the logic for parameter position: java.util.Formatter * */ -public final class Formatter { +final class Formatter { private Formatter() { } @@ -59,8 +59,8 @@ public final class Formatter { * @param args arguments referenced by the format specifiers in format * @return a formatted string */ - public static String format(final String format, final Object[] args) { - Matcher m = FS_PATTERN.matcher(format); + static String format(final String format, final Object[] args) { + final Matcher m = FS_PATTERN.matcher(format); int positionalParameter = 1; while (m.find()) { @@ -143,7 +143,7 @@ public final class Formatter { /** * Method to parse the integer of the argument index. * - * @param s + * @param s string to parse * @return -1 if parsing failed, 0 if string is null, > 0 integer */ private static int index(final String s) { @@ -166,7 +166,7 @@ public final class Formatter { * Method to check if a string contains '<'. This is used to find out if * previous parameter is used. * - * @param s + * @param s string to check * @return true if '<' is in the string, else false */ private static boolean isPreviousArgument(final String s) { diff --git a/nashorn/src/jdk/nashorn/api/scripting/NashornScriptEngine.java b/nashorn/src/jdk/nashorn/api/scripting/NashornScriptEngine.java index ce16a7e82d0..4fa6033c11f 100644 --- a/nashorn/src/jdk/nashorn/api/scripting/NashornScriptEngine.java +++ b/nashorn/src/jdk/nashorn/api/scripting/NashornScriptEngine.java @@ -394,14 +394,6 @@ public final class NashornScriptEngine extends AbstractScriptEngine implements C setContextVariables(ctxt); final Object val = ctxt.getAttribute(ScriptEngine.FILENAME); final String fileName = (val != null) ? val.toString() : ""; - - // NOTE: FIXME: If this is jrunscript's init.js, we want to run the replacement. - // This should go away once we fix jrunscript's copy of init.js. - if ("".equals(fileName)) { - evalSupportScript("resources/init.js", "nashorn:engine/resources/init.js"); - return null; - } - Object res = ScriptRuntime.apply(script, ctxtGlobal); return ScriptObjectMirror.translateUndefined(ScriptObjectMirror.wrap(res, ctxtGlobal)); } catch (final Exception e) { diff --git a/nashorn/src/jdk/nashorn/api/scripting/ScriptUtils.java b/nashorn/src/jdk/nashorn/api/scripting/ScriptUtils.java index 63358bd7db9..ccd5879b3f9 100644 --- a/nashorn/src/jdk/nashorn/api/scripting/ScriptUtils.java +++ b/nashorn/src/jdk/nashorn/api/scripting/ScriptUtils.java @@ -45,4 +45,16 @@ public final class ScriptUtils { public static String parse(final String code, final String name, final boolean includeLoc) { return ScriptRuntime.parse(code, name, includeLoc); } + + /** + * Method which converts javascript types to java types for the + * String.format method (jrunscript function sprintf). + * + * @param format a format string + * @param args arguments referenced by the format specifiers in format + * @return a formatted string + */ + public static String format(final String format, final Object[] args) { + return Formatter.format(format, args); + } } diff --git a/nashorn/src/jdk/nashorn/api/scripting/resources/engine.js b/nashorn/src/jdk/nashorn/api/scripting/resources/engine.js index 65b82dfe797..e95607287d4 100644 --- a/nashorn/src/jdk/nashorn/api/scripting/resources/engine.js +++ b/nashorn/src/jdk/nashorn/api/scripting/resources/engine.js @@ -46,3 +46,49 @@ function print(str) { } writer.println(String(str)); } + +/** + * This is C-like printf + * + * @param format string to format the rest of the print items + * @param args variadic argument list + */ +Object.defineProperty(this, "printf", { + configurable: true, + enumerable: false, + writable: true, + value: function (format, args/*, more args*/) { + print(sprintf.apply(this, arguments)); + } +}); + +/** + * This is C-like sprintf + * + * @param format string to format the rest of the print items + * @param args variadic argument list + */ +Object.defineProperty(this, "sprintf", { + configurable: true, + enumerable: false, + writable: true, + value: function (format, args/*, more args*/) { + var len = arguments.length - 1; + var array = []; + + if (len < 0) { + return ""; + } + + for (var i = 0; i < len; i++) { + if (arguments[i+1] instanceof Date) { + array[i] = arguments[i+1].getTime(); + } else { + array[i] = arguments[i+1]; + } + } + + array = Java.toJavaArray(array); + return Packages.jdk.nashorn.api.scripting.ScriptUtils.format(format, array); + } +}); diff --git a/nashorn/src/jdk/nashorn/api/scripting/resources/init.js b/nashorn/src/jdk/nashorn/api/scripting/resources/init.js deleted file mode 100644 index 18cde929451..00000000000 --- a/nashorn/src/jdk/nashorn/api/scripting/resources/init.js +++ /dev/null @@ -1,939 +0,0 @@ -/* - * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -/** - * jrunscript JavaScript built-in functions and objects. - */ - -/** - * Creates an object that delegates all method calls on - * it to the 'invoke' method on the given delegate object.
- * - * Example: - * 

- * 
- *     var x  = { invoke: function(name, args) { //code...}
- *     var y = new JSInvoker(x);
- *     y.func(3, 3); // calls x.invoke('func', args); where args is array of arguments
- * 
- *
- * @param obj object to be wrapped by JSInvoker - * @constructor - */ -function JSInvoker(obj) { - return new JSAdapter({ - __get__ : function(name) { - return function() { - return obj.invoke(name, arguments); - } - } - }); -} - -/** - * This variable represents OS environment. Environment - * variables can be accessed as fields of this object. For - * example, env.PATH will return PATH value configured. - */ -var env = new JSAdapter({ - __get__ : function (name) { - return java.lang.System.getenv(name); - }, - __has__ : function (name) { - return java.lang.System.getenv().containsKey(name); - }, - __getIds__ : function() { - return java.lang.System.getenv().keySet().toArray(); - }, - __delete__ : function(name) { - println("can't delete env item"); - }, - __put__ : function (name, value) { - println("can't change env item"); - }, - toString: function() { - return java.lang.System.getenv().toString(); - } -}); - -/** - * Creates a convenient script object to deal with java.util.Map instances. - * The result script object's field names are keys of the Map. For example, - * scriptObj.keyName can be used to access value associated with given key.
- * Example: - * 
- * 
- *     var x = java.lang.SystemProperties();
- *     var y = jmap(x);
- *     println(y['java.class.path']); // prints java.class.path System property
- *     delete y['java.class.path']; // remove java.class.path System property
- * 
- *
- * - * @param map java.util.Map instance that will be wrapped - * @constructor - */ -function jmap(map) { - return new JSAdapter({ - __get__ : function(name) { - if (map.containsKey(name)) { - return map.get(name); - } else { - return undefined; - } - }, - __has__ : function(name) { - return map.containsKey(name); - }, - - __delete__ : function (name) { - return map.remove(name); - }, - __put__ : function(name, value) { - map.put(name, value); - }, - __getIds__ : function() { - return map.keySet().toArray(); - }, - toString: function() { - return map.toString(); - } - }); -} - -/** - * Creates a convenient script object to deal with java.util.List instances. - * The result script object behaves like an array. For example, - * scriptObj[index] syntax can be used to access values in the List instance. - * 'length' field gives size of the List.
- * - * Example: - * 
- * 
- *    var x = new java.util.ArrayList(4);
- *    x.add('Java');
- *    x.add('JavaScript');
- *    x.add('SQL');
- *    x.add('XML');
- *
- *    var y = jlist(x);
- *    println(y[2]); // prints third element of list
- *    println(y.length); // prints size of the list
- *
- * @param map java.util.List instance that will be wrapped
- * @constructor
- */
-function jlist(list) {
-    function isValid(index) {
-        return typeof(index) == 'number' &&
-            index > -1 && index < list.size();
-    }
-    return new JSAdapter({
-        __get__ :  function(name) {
-            if (isValid(name)) {
-                return list.get(name);
-            } else if (name == 'length') {
-                return list.size();
-            } else {
-                return undefined;
-            }
-        },
-        __has__ : function (name) {
-            return isValid(name) || name == 'length';
-        },
-        __delete__ : function(name) {
-            if (isValid(name)) {
-                list.remove(name);
-            }
-        },
-        __put__ : function(name, value) {
-            if (isValid(name)) {
-                list.set(name, value);
-            }
-        },
-        __getIds__: function() {
-            var res = new Array(list.size());
-            for (var i = 0; i < res.length; i++) {
-                res[i] = i;
-            }
-            return res;
-        },
-        toString: function() {
-            return list.toString();
-        }
-    });
-}
-
-/**
- * This is java.lang.System properties wrapped by JSAdapter.
- * For eg. to access java.class.path property, you can use
- * the syntax sysProps["java.class.path"]
- */
-var sysProps = new JSAdapter({
-    __get__ : function (name) {
-        return java.lang.System.getProperty(name);
-    },
-    __has__ : function (name) {
-        return java.lang.System.getProperty(name) != null;
-    },
-    __getIds__ : function() {
-        return java.lang.System.getProperties().keySet().toArray();
-    },
-    __delete__ : function(name) {
-        java.lang.System.clearProperty(name);
-        return true;
-    },
-    __put__ : function (name, value) {
-        java.lang.System.setProperty(name, value);
-    },
-    toString: function() {
-        return "";
-    }
-});
-
-// stdout, stderr & stdin
-var out = java.lang.System.out;
-var err = java.lang.System.err;
-// can't use 'in' because it is a JavaScript keyword :-(
-var inp = java.lang.System["in"];
-
-var BufferedInputStream = java.io.BufferedInputStream;
-var BufferedOutputStream = java.io.BufferedOutputStream;
-var BufferedReader = java.io.BufferedReader;
-var DataInputStream = java.io.DataInputStream;
-var File = java.io.File;
-var FileInputStream = java.io.FileInputStream;
-var FileOutputStream = java.io.FileOutputStream;
-var InputStream = java.io.InputStream;
-var InputStreamReader = java.io.InputStreamReader;
-var OutputStream = java.io.OutputStream;
-var Reader = java.io.Reader;
-var URL = java.net.URL;
-
-/**
- * Generic any object to input stream mapper
- * @param str input file name, URL or InputStream
- * @return InputStream object
- * @private
- */
-function inStream(str) {
-    if (typeof(str) == "string") {
-        // '-' means standard input
-        if (str == '-') {
-            return java.lang.System["in"];
-        }
-        // try file first
-        var file = null;
-        try {
-            file = pathToFile(str);
-        } catch (e) {
-        }
-        if (file && file.exists()) {
-            return new FileInputStream(file);
-        } else {
-            try {
-                // treat the string as URL
-                return new URL(str).openStream();
-            } catch (e) {
-                throw 'file or URL ' + str + ' not found';
-            }
-        }
-    } else {
-        if (str instanceof InputStream) {
-            return str;
-        } else if (str instanceof URL) {
-            return str.openStream();
-        } else if (str instanceof File) {
-            return new FileInputStream(str);
-        }
-    }
-    // everything failed, just give input stream
-    return java.lang.System["in"];
-}
-
-/**
- * Generic any object to output stream mapper
- *
- * @param out output file name or stream
- * @return OutputStream object
- * @private
- */
-function outStream(out) {
-    if (typeof(out) == "string") {
-        if (out == '>') {
-            return java.lang.System.out;
-        } else {
-            // treat it as file
-            return new FileOutputStream(pathToFile(out));
-        }
-    } else {
-        if (out instanceof OutputStream) {
-            return out;
-        } else if (out instanceof File) {
-            return new FileOutputStream(out);
-        }
-    }
-
-    // everything failed, just return System.out
-    return java.lang.System.out;
-}
-
-/**
- * stream close takes care not to close stdin, out & err.
- * @private
- */
-function streamClose(stream) {
-    if (stream) {
-        if (stream != java.lang.System["in"] &&
-            stream != java.lang.System.out &&
-            stream != java.lang.System.err) {
-            try {
-                stream.close();
-            } catch (e) {
-                println(e);
-            }
-        }
-    }
-}
-
-/**
- * Loads and evaluates JavaScript code from a stream or file or URL

- *
- * Examples:
- * 
- * 
- *    load('test.js'); // load script file 'test.js'
- *    load('http://java.sun.com/foo.js'); // load from a URL
- * 
- * 

- *
- * @param str input from which script is loaded and evaluated
- */
-if (typeof(load) == 'undefined') {
-    var load = function(str) {
-        var stream = inStream(str);
-        var bstream = new BufferedInputStream(stream);
-        var reader = new BufferedReader(new InputStreamReader(bstream));
-        var oldFilename = engine.get(engine.FILENAME);
-        engine.put(engine.FILENAME, str);
-        try {
-            engine.eval(reader);
-        } finally {
-            engine.put(engine.FILENAME, oldFilename);
-            streamClose(stream);
-        }
-    }
-}
-
-// file system utilities
-
-/**
- * Creates a Java byte[] of given length
- * @param len size of the array to create
- * @private
- */
-function javaByteArray(len) {
-    return java.lang.reflect.Array.newInstance(java.lang.Byte.TYPE, len);
-}
-
-var curDir = new File('.');
-
-/**
- * Print present working directory
- */
-function pwd() {
-    println(curDir.getAbsolutePath());
-}
-
-/**
- * Changes present working directory to given directory
- * @param target directory to change to. optional, defaults to user's HOME
- */
-function cd(target) {
-    if (target == undefined) {
-        target = sysProps["user.home"];
-    }
-    if (!(target instanceof File)) {
-        target = pathToFile(target);
-    }
-    if (target.exists() && target.isDirectory()) {
-        curDir = target;
-    } else {
-        println(target + " is not a directory");
-    }
-}
-
-/**
- * Converts path to java.io.File taking care of shell present working dir
- *
- * @param pathname file path to be converted
- * @private
- */
-function pathToFile(pathname) {
-    var tmp = pathname;
-    if (!(tmp instanceof File)) {
-        tmp = new File(tmp);
-    }
-    if (!tmp.isAbsolute()) {
-        return new File(curDir, pathname);
-    } else {
-        return tmp;
-    }
-}
-
-/**
- * Copies a file or URL or stream to another file or stream
- *
- * @param from input file or URL or stream
- * @param to output stream or file
- */
-function cp(from, to) {
-    if (from == to) {
-        println("file " + from + " cannot be copied onto itself!");
-        return;
-    }
-    var inp = inStream(from);
-    var out = outStream(to);
-    var binp = new BufferedInputStream(inp);
-    var bout = new BufferedOutputStream(out);
-    var buff = javaByteArray(1024);
-    var len;
-    while ((len = binp.read(buff)) > 0 )
-        bout.write(buff, 0, len);
-
-    bout.flush();
-    streamClose(inp);
-    streamClose(out);
-}
-
-/**
- * Shows the content of a file or URL or any InputStream

- * Examples:
- * 
- * 
- *    cat('test.txt'); // show test.txt file contents
- *    cat('http://java.net'); // show the contents from the URL http://java.net
- * 
- * 

- * @param obj input to show
- * @param pattern optional. show only the lines matching the pattern
- */
-function cat(obj, pattern) {
-    if (obj instanceof File && obj.isDirectory()) {
-        ls(obj);
-        return;
-    }
-
-    var inp = null;
-    if (!(obj instanceof Reader)) {
-        inp = inStream(obj);
-        obj = new BufferedReader(new InputStreamReader(inp));
-    }
-    var line;
-    if (pattern) {
-        var count = 1;
-        while ((line=obj.readLine()) != null) {
-            if (line.match(pattern)) {
-                println(count + "\t: " + line);
-            }
-            count++;
-        }
-    } else {
-        while ((line=obj.readLine()) != null) {
-            println(line);
-        }
-    }
-}
-
-/**
- * Returns directory part of a filename
- *
- * @param pathname input path name
- * @return directory part of the given file name
- */
-function dirname(pathname) {
-    var dirName = ".";
-    // Normalize '/' to local file separator before work.
-    var i = pathname.replace('/', File.separatorChar ).lastIndexOf(
-        File.separator );
-    if ( i != -1 )
-        dirName = pathname.substring(0, i);
-    return dirName;
-}
-
-/**
- * Creates a new dir of given name
- *
- * @param dir name of the new directory
- */
-function mkdir(dir) {
-    dir = pathToFile(dir);
-    println(dir.mkdir()? "created" : "can not create dir");
-}
-
-/**
- * Creates the directory named by given pathname, including
- * any necessary but nonexistent parent directories.
- *
- * @param dir input path name
- */
-function mkdirs(dir) {
-    dir = pathToFile(dir);
-    println(dir.mkdirs()? "created" : "can not create dirs");
-}
-
-/**
- * Removes a given file
- *
- * @param pathname name of the file
- */
-function rm(pathname) {
-    var file = pathToFile(pathname);
-    if (!file.exists()) {
-        println("file not found: " + pathname);
-        return false;
-    }
-    // note that delete is a keyword in JavaScript!
-    println(file["delete"]()? "deleted" : "can not delete");
-}
-
-/**
- * Removes a given directory
- *
- * @param pathname name of the directory
- */
-function rmdir(pathname) {
-    rm(pathname);
-}
-
-/**
- * Synonym for 'rm'
- */
-function del(pathname) {
-    rm(pathname);
-}
-
-/**
- * Moves a file to another
- *
- * @param from original name of the file
- * @param to new name for the file
- */
-function mv(from, to) {
-    println(pathToFile(from).renameTo(pathToFile(to))?
-        "moved" : "can not move");
-}
-
-/**
- * Synonym for 'mv'.
- */
-function ren(from, to) {
-    mv(from, to);
-}
-
-var months = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
-        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
-
-/**
- * Helper function called by ls
- * @private
- */
-function printFile(f) {
-    var sb = new java.lang.StringBuffer();
-    sb.append(f.isDirectory()? "d" : "-");
-    sb.append(f.canRead() ? "r": "-" );
-    sb.append(f.canWrite() ? "w": "-" );
-    sb.append(" ");
-
-    var d = new java.util.Date(f.lastModified());
-    var c = new java.util.GregorianCalendar();
-    c.setTime(d);
-    var day    = c.get(java.util.Calendar.DAY_OF_MONTH);
-    sb.append(months[c.get(java.util.Calendar.MONTH)]
-         + " " + day );
-    if (day < 10) {
-        sb.append(" ");
-    }
-
-    // to get fixed length 'length' field
-    var fieldlen = 8;
-    var len = new java.lang.StringBuffer();
-    for(var j=0; j
- *
- * Examples:
- * 
- * 
- *    find('.')
- *    find('.', '.*\.class', rm);  // remove all .class files
- *    find('.', '.*\.java');       // print fullpath of each .java file
- *    find('.', '.*\.java', cat);  // print all .java files
- * 
- * 

- *
- * @param dir directory to search files
- * @param pattern to search in the files
- * @param callback function to call for matching files
- */
-function find(dir, pattern, callback) {
-    dir = pathToFile(dir);
-    if (!callback) callback = print;
-    var files = dir.listFiles();
-    for (var f in files) {
-        var file = files[f];
-        if (file.isDirectory()) {
-            find(file, pattern, callback);
-        } else {
-            if (pattern) {
-                if (file.getName().match(pattern)) {
-                    callback(file);
-                }
-            } else {
-                callback(file);
-            }
-        }
-    }
-}
-
-// process utilities
-
-/**
- * Exec's a child process, waits for completion & returns exit code
- *
- * @param cmd command to execute in child process
- */
-function exec(cmd) {
-    var process = java.lang.Runtime.getRuntime().exec(cmd);
-    var inp = new DataInputStream(process.getInputStream());
-    var line = null;
-    while ((line = inp.readLine()) != null) {
-        println(line);
-    }
-    process.waitFor();
-    $exit = process.exitValue();
-}
-
-// XML utilities
-
-/**
- * Converts input to DOM Document object
- *
- * @param inp file or reader. optional, without this param,
- * this function returns a new DOM Document.
- * @return returns a DOM Document object
- */
-function XMLDocument(inp) {
-    var factory = javax.xml.parsers.DocumentBuilderFactory.newInstance();
-    var builder = factory.newDocumentBuilder();
-    if (inp) {
-        if (typeof(inp) == "string") {
-            return builder.parse(pathToFile(inp));
-        } else {
-            return builder.parse(inp);
-        }
-    } else {
-        return builder.newDocument();
-    }
-}
-
-/**
- * Converts arbitrary stream, file, URL to XMLSource
- *
- * @param inp input stream or file or URL
- * @return XMLSource object
- */
-function XMLSource(inp) {
-    if (inp instanceof javax.xml.transform.Source) {
-        return inp;
-    } else if (inp instanceof Packages.org.w3c.dom.Document) {
-        return new javax.xml.transform.dom.DOMSource(inp);
-    } else {
-        inp = new BufferedInputStream(inStream(inp));
-        return new javax.xml.transform.stream.StreamSource(inp);
-    }
-}
-
-/**
- * Converts arbitrary stream, file to XMLResult
- *
- * @param inp output stream or file
- * @return XMLResult object
- */
-function XMLResult(out) {
-    if (out instanceof javax.xml.transform.Result) {
-        return out;
-    } else if (out instanceof Packages.org.w3c.dom.Document) {
-        return new javax.xml.transform.dom.DOMResult(out);
-    } else {
-        out = new BufferedOutputStream(outStream(out));
-        return new javax.xml.transform.stream.StreamResult(out);
-    }
-}
-
-/**
- * Perform XSLT transform
- *
- * @param inp Input XML to transform (URL, File or InputStream)
- * @param style XSL Stylesheet to be used (URL, File or InputStream). optional.
- * @param out Output XML (File or OutputStream
- */
-function XSLTransform(inp, style, out) {
-    switch (arguments.length) {
-    case 2:
-        inp = arguments[0];
-        out = arguments[1];
-        break;
-    case 3:
-        inp = arguments[0];
-        style = arguments[1];
-        out = arguments[2];
-        break;
-    default:
-        println("XSL tranform requires 2 or 3 arguments");
-        return;
-    }
-
-    var factory = javax.xml.transform.TransformerFactory.newInstance();
-    var transformer;
-    if (style) {
-        transformer = factory.newTransformer(XMLSource(style));
-    } else {
-        transformer = factory.newTransformer();
-    }
-    var source = XMLSource(inp);
-    var result = XMLResult(out);
-    transformer.transform(source, result);
-    if (source.getInputStream) {
-        streamClose(source.getInputStream());
-    }
-    if (result.getOutputStream) {
-        streamClose(result.getOutputStream());
-    }
-}
-
-// miscellaneous utilities
-
-/**
- * Prints which command is selected from PATH
- *
- * @param cmd name of the command searched from PATH
- */
-function which(cmd) {
-    var st = new java.util.StringTokenizer(env.PATH, File.pathSeparator);
-    while (st.hasMoreTokens()) {
-        var file = new File(st.nextToken(), cmd);
-        if (file.exists()) {
-            println(file.getAbsolutePath());
-            return;
-        }
-    }
-}
-
-/**
- * Prints IP addresses of given domain name
- *
- * @param name domain name
- */
-function ip(name) {
-    var addrs = InetAddress.getAllByName(name);
-    for (var i in addrs) {
-        println(addrs[i]);
-    }
-}
-
-/**
- * Prints current date in current locale
- */
-function date() {
-    println(new Date().toLocaleString());
-}
-
-/**
- * Echoes the given string arguments
- */
-function echo(x) {
-    for (var i = 0; i < arguments.length; i++) {
-        println(arguments[i]);
-    }
-}
-
-/**
- * Reads one or more lines from stdin after printing prompt
- *
- * @param prompt optional, default is '>'
- * @param multiline to tell whether to read single line or multiple lines
- */
-function read(prompt, multiline) {
-    if (!prompt) {
-        prompt = '>';
-    }
-    var inp = java.lang.System["in"];
-    var reader = new BufferedReader(new InputStreamReader(inp));
-    if (multiline) {
-        var line = '';
-        while (true) {
-            java.lang.System.err.print(prompt);
-            java.lang.System.err.flush();
-            var tmp = reader.readLine();
-            if (tmp == '' || tmp == null) break;
-            line += tmp + '\n';
-        }
-        return line;
-    } else {
-        java.lang.System.err.print(prompt);
-        java.lang.System.err.flush();
-        return reader.readLine();
-    }
-}
-
-if (typeof(println) == 'undefined') {
-    var print = function(str, newline) {
-        if (typeof(str) == 'undefined') {
-            str = 'undefined';
-        } else if (str == null) {
-            str = 'null';
-        }
-
-        if (!(out instanceof java.io.PrintWriter)) {
-            out = new java.io.PrintWriter(out);
-        }
-
-        out.print(String(str));
-        if (newline) {
-            out.print('\n');
-        }
-        out.flush();
-    }
-
-    var println = function(str) {
-        print(str, true);
-    };
-}
-
-/**
- * This is C-like printf
- *
- * @param format string to format the rest of the print items
- * @param args variadic argument list
- */
-function printf(format, args/*, more args*/) {
-    print(sprintf.apply(this, arguments));
-}
-
-/**
- * This is C-like sprintf
- *
- * @param format string to format the rest of the print items
- * @param args variadic argument list
- */
-function sprintf(format, args/*, more args*/) {
-    var len = arguments.length - 1;
-    var array = [];
-
-    if (len < 0) {
-        return "";
-    }
-
-    for (var i = 0; i < len; i++) {
-        if (arguments[i+1] instanceof Date) {
-            array[i] = arguments[i+1].getTime();
-        } else {
-            array[i] = arguments[i+1];
-        }
-    }
-
-    array = Java.toJavaArray(array);
-    return Packages.jdk.nashorn.api.scripting.Formatter.format(format, array);
-}