Mercurial > jdk8-mips64-public > langtools / annotate
src/share/classes/com/sun/tools/javac/main/CommandLine.java@2eb010b6cb22 (annotated)
src/share/classes/com/sun/tools/javac/main/CommandLine.java
Thu, 31 Aug 2017 15:17:03 +0800
- author
- aoqi
- date
- Thu, 31 Aug 2017 15:17:03 +0800
- changeset 2525
- 2eb010b6cb22
- parent 798
- 4868a36f6fd8
- parent 0
- 959103a6100f
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
| aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
| aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
| aoqi@0 | 10 | * |
| aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 15 | * accompanied this code). |
| aoqi@0 | 16 | * |
| aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 20 | * |
| aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 23 | * questions. |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | package com.sun.tools.javac.main; |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | import java.io.IOException; |
| aoqi@0 | 29 | import java.io.Reader; |
| aoqi@0 | 30 | import java.io.FileReader; |
| aoqi@0 | 31 | import java.io.BufferedReader; |
| aoqi@0 | 32 | import java.io.StreamTokenizer; |
| aoqi@0 | 33 | import com.sun.tools.javac.util.ListBuffer; |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | /** |
| aoqi@0 | 36 | * Various utility methods for processing Java tool command line arguments. |
| aoqi@0 | 37 | * |
| aoqi@0 | 38 | * <p><b>This is NOT part of any supported API. |
| aoqi@0 | 39 | * If you write code that depends on this, you do so at your own risk. |
| aoqi@0 | 40 | * This code and its internal interfaces are subject to change or |
| aoqi@0 | 41 | * deletion without notice.</b> |
| aoqi@0 | 42 | */ |
| aoqi@0 | 43 | public class CommandLine { |
| aoqi@0 | 44 | /** |
| aoqi@0 | 45 | * Process Win32-style command files for the specified command line |
| aoqi@0 | 46 | * arguments and return the resulting arguments. A command file argument |
| aoqi@0 | 47 | * is of the form '@file' where 'file' is the name of the file whose |
| aoqi@0 | 48 | * contents are to be parsed for additional arguments. The contents of |
| aoqi@0 | 49 | * the command file are parsed using StreamTokenizer and the original |
| aoqi@0 | 50 | * '@file' argument replaced with the resulting tokens. Recursive command |
| aoqi@0 | 51 | * files are not supported. The '@' character itself can be quoted with |
| aoqi@0 | 52 | * the sequence '@@'. |
| aoqi@0 | 53 | */ |
| aoqi@0 | 54 | public static String[] parse(String[] args) |
| aoqi@0 | 55 | throws IOException |
| aoqi@0 | 56 | { |
| aoqi@0 | 57 | ListBuffer<String> newArgs = new ListBuffer<String>(); |
| aoqi@0 | 58 | for (int i = 0; i < args.length; i++) { |
| aoqi@0 | 59 | String arg = args[i]; |
| aoqi@0 | 60 | if (arg.length() > 1 && arg.charAt(0) == '@') { |
| aoqi@0 | 61 | arg = arg.substring(1); |
| aoqi@0 | 62 | if (arg.charAt(0) == '@') { |
| aoqi@0 | 63 | newArgs.append(arg); |
| aoqi@0 | 64 | } else { |
| aoqi@0 | 65 | loadCmdFile(arg, newArgs); |
| aoqi@0 | 66 | } |
| aoqi@0 | 67 | } else { |
| aoqi@0 | 68 | newArgs.append(arg); |
| aoqi@0 | 69 | } |
| aoqi@0 | 70 | } |
| aoqi@0 | 71 | return newArgs.toList().toArray(new String[newArgs.length()]); |
| aoqi@0 | 72 | } |
| aoqi@0 | 73 | |
| aoqi@0 | 74 | private static void loadCmdFile(String name, ListBuffer<String> args) |
| aoqi@0 | 75 | throws IOException |
| aoqi@0 | 76 | { |
| aoqi@0 | 77 | Reader r = new BufferedReader(new FileReader(name)); |
| aoqi@0 | 78 | StreamTokenizer st = new StreamTokenizer(r); |
| aoqi@0 | 79 | st.resetSyntax(); |
| aoqi@0 | 80 | st.wordChars(' ', 255); |
| aoqi@0 | 81 | st.whitespaceChars(0, ' '); |
| aoqi@0 | 82 | st.commentChar('#'); |
| aoqi@0 | 83 | st.quoteChar('"'); |
| aoqi@0 | 84 | st.quoteChar('\''); |
| aoqi@0 | 85 | while (st.nextToken() != StreamTokenizer.TT_EOF) { |
| aoqi@0 | 86 | args.append(st.sval); |
| aoqi@0 | 87 | } |
| aoqi@0 | 88 | r.close(); |
| aoqi@0 | 89 | } |
| aoqi@0 | 90 | } |
