nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/tools/resources/shell.js
changeset 29635 63d1435161c3
parent 29634 c75ff9ed0b4e
parent 29633 c480e4026568
child 29639 8890e7dd8f04
equal deleted inserted replaced
29634:c75ff9ed0b4e 29635:63d1435161c3
     1 /*
       
     2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.
       
     8  *
       
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    12  * version 2 for more details (a copy is included in the LICENSE file that
       
    13  * accompanied this code).
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License version
       
    16  * 2 along with this work; if not, write to the Free Software Foundation,
       
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    18  *
       
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    20  * or visit www.oracle.com if you need additional information or have any
       
    21  * questions.
       
    22  */
       
    23 
       
    24 /*
       
    25  * Initialization script for shell when running in interactive mode.
       
    26  */
       
    27 
       
    28 /**
       
    29  * Reads zero or more lines from standard input and returns concatenated string
       
    30  *
       
    31  * @param endMarker marker string that signals end of input
       
    32  * @param prompt prompt printed for each line
       
    33  */
       
    34 Object.defineProperty(this, "input", {
       
    35     value: function input(endMarker, prompt) {
       
    36         if (!endMarker) {
       
    37             endMarker = "";
       
    38         }
       
    39 
       
    40         if (!prompt) {
       
    41             prompt = " >> ";
       
    42         }
       
    43 
       
    44         var imports = new JavaImporter(java.io, java.lang);
       
    45         var str = "";
       
    46         with (imports) {
       
    47             var reader = new BufferedReader(new InputStreamReader(System['in']));
       
    48             var line;
       
    49             while (true) {
       
    50                 System.out.print(prompt);
       
    51                 line = reader.readLine();
       
    52                 if (line == null || line == endMarker) {
       
    53                     break;
       
    54                 }
       
    55                 str += line + "\n";
       
    56             }
       
    57         }
       
    58 
       
    59         return str;
       
    60     },
       
    61     enumerable: false,
       
    62     writable: true,
       
    63     configurable: true
       
    64 });
       
    65 
       
    66 
       
    67 /**
       
    68  * Reads zero or more lines from standard input and evaluates the concatenated
       
    69  * string as code
       
    70  *
       
    71  * @param endMarker marker string that signals end of input
       
    72  * @param prompt prompt printed for each line
       
    73  */
       
    74 Object.defineProperty(this, "evalinput", {
       
    75     value: function evalinput(endMarker, prompt) {
       
    76         var code = input(endMarker, prompt);
       
    77         // make sure everything is evaluated in global scope!
       
    78         return this.eval(code);
       
    79     },
       
    80     enumerable: false,
       
    81     writable: true,
       
    82     configurable: true
       
    83 });