Mercurial > jdk8-mips64-public > nashorn / annotate
samples/shell.js@da1e581c933b (annotated)
samples/shell.js
Fri, 21 Dec 2012 16:36:24 -0400
- author
- jlaskey
- date
- Fri, 21 Dec 2012 16:36:24 -0400
- changeset 3
- da1e581c933b
- child 7
- 5a1b0714df0e
- permissions
- -rw-r--r--
8005403: Open-source Nashorn
Reviewed-by: attila, hannesw, lagergren, sundar
Contributed-by: james.laskey@oracle.com, akhil.arora@oracle.com, andreas.woess@jku.at, attila.szegedi@oracle.com, hannes.wallnoefer@oracle.com, henry.jen@oracle.com, marcus.lagergren@oracle.com, pavel.semenov@oracle.com, pavel.stepanov@oracle.com, petr.hejl@oracle.com, petr.pisl@oracle.com, sundararajan.athijegannathan@oracle.com
| jlaskey@3 | 1 | /* |
| jlaskey@3 | 2 | * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved. |
| jlaskey@3 | 3 | * |
| jlaskey@3 | 4 | * Redistribution and use in source and binary forms, with or without |
| jlaskey@3 | 5 | * modification, are permitted provided that the following conditions |
| jlaskey@3 | 6 | * are met: |
| jlaskey@3 | 7 | * |
| jlaskey@3 | 8 | * - Redistributions of source code must retain the above copyright |
| jlaskey@3 | 9 | * notice, this list of conditions and the following disclaimer. |
| jlaskey@3 | 10 | * |
| jlaskey@3 | 11 | * - Redistributions in binary form must reproduce the above copyright |
| jlaskey@3 | 12 | * notice, this list of conditions and the following disclaimer in the |
| jlaskey@3 | 13 | * documentation and/or other materials provided with the distribution. |
| jlaskey@3 | 14 | * |
| jlaskey@3 | 15 | * - Neither the name of Oracle nor the names of its |
| jlaskey@3 | 16 | * contributors may be used to endorse or promote products derived |
| jlaskey@3 | 17 | * from this software without specific prior written permission. |
| jlaskey@3 | 18 | * |
| jlaskey@3 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| jlaskey@3 | 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| jlaskey@3 | 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| jlaskey@3 | 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| jlaskey@3 | 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| jlaskey@3 | 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| jlaskey@3 | 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| jlaskey@3 | 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| jlaskey@3 | 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| jlaskey@3 | 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| jlaskey@3 | 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| jlaskey@3 | 30 | */ |
| jlaskey@3 | 31 | |
| jlaskey@3 | 32 | /** |
| jlaskey@3 | 33 | * This is a simple shell tool in JavaScript. |
| jlaskey@3 | 34 | * |
| jlaskey@3 | 35 | * Runs any operating system command using Java "exec". When "eval" command is |
| jlaskey@3 | 36 | * used, evaluates argument(s) as JavaScript code. |
| jlaskey@3 | 37 | */ |
| jlaskey@3 | 38 | |
| jlaskey@3 | 39 | var imports = new JavaImporter(java.io, java.lang, java.util); |
| jlaskey@3 | 40 | |
| jlaskey@3 | 41 | function prompt() { |
| jlaskey@3 | 42 | java.lang.System.out.print(">"); |
| jlaskey@3 | 43 | } |
| jlaskey@3 | 44 | |
| jlaskey@3 | 45 | with (imports) { |
| jlaskey@3 | 46 | var reader = new BufferedReader(new InputStreamReader(System["in"])); |
| jlaskey@3 | 47 | var line = null; |
| jlaskey@3 | 48 | prompt(); |
| jlaskey@3 | 49 | while ((line = reader.readLine()) != null) { |
| jlaskey@3 | 50 | if (line != "") { |
| jlaskey@3 | 51 | var args = line.split(" "); |
| jlaskey@3 | 52 | try { |
| jlaskey@3 | 53 | if (args[0] == "eval") { |
| jlaskey@3 | 54 | var code = line.substring("eval".length); |
| jlaskey@3 | 55 | var res = eval(code); |
| jlaskey@3 | 56 | if (res != undefined) { |
| jlaskey@3 | 57 | print(res); |
| jlaskey@3 | 58 | } |
| jlaskey@3 | 59 | } else { |
| jlaskey@3 | 60 | var argList = new ArrayList(); |
| jlaskey@3 | 61 | for (i in args) { argList.add(args[i]); } |
| jlaskey@3 | 62 | var procBuilder = new ProcessBuilder(argList); |
| jlaskey@3 | 63 | procBuilder.redirectErrorStream(); |
| jlaskey@3 | 64 | var proc = procBuilder.start(); |
| jlaskey@3 | 65 | var out = new BufferedReader(new InputStreamReader(proc.getInputStream())); |
| jlaskey@3 | 66 | var line = null; |
| jlaskey@3 | 67 | while ((line = out.readLine()) != null) { |
| jlaskey@3 | 68 | System.out.println(line); |
| jlaskey@3 | 69 | } |
| jlaskey@3 | 70 | proc.waitFor(); |
| jlaskey@3 | 71 | } |
| jlaskey@3 | 72 | } catch (e) { |
| jlaskey@3 | 73 | print(e); |
| jlaskey@3 | 74 | } |
| jlaskey@3 | 75 | } |
| jlaskey@3 | 76 | prompt(); |
| jlaskey@3 | 77 | } |
| jlaskey@3 | 78 | } |
