Mercurial > hg > truffle
annotate src/share/tools/ProjectCreator/ArgsParser.java @ 14206:e7b58922266b
8028412: AsyncGetCallTrace() is broken on x86 in JDK 7u40
Reviewed-by: kvn, sspitsyn
author | mgronlun |
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date | Thu, 05 Dec 2013 12:35:38 +0100 |
parents | f95d63e2154a |
children |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 class ArgIterator { | |
26 String[] args; | |
27 int i; | |
28 ArgIterator(String[] args) { | |
29 this.args = args; | |
30 this.i = 0; | |
31 } | |
32 String get() { return args[i]; } | |
33 boolean hasMore() { return args != null && i < args.length; } | |
34 boolean next() { return ++i < args.length; } | |
35 } | |
36 | |
37 abstract class ArgHandler { | |
38 public abstract void handle(ArgIterator it); | |
39 | |
40 } | |
41 | |
42 class ArgRule { | |
43 String arg; | |
44 ArgHandler handler; | |
45 ArgRule(String arg, ArgHandler handler) { | |
46 this.arg = arg; | |
47 this.handler = handler; | |
48 } | |
49 | |
50 boolean process(ArgIterator it) { | |
51 if (match(it.get(), arg)) { | |
52 handler.handle(it); | |
53 return true; | |
54 } | |
55 return false; | |
56 } | |
57 boolean match(String rule_pattern, String arg) { | |
58 return arg.equals(rule_pattern); | |
59 } | |
60 } | |
61 | |
62 class ArgsParser { | |
63 ArgsParser(String[] args, | |
64 ArgRule[] rules, | |
65 ArgHandler defaulter) { | |
66 ArgIterator ai = new ArgIterator(args); | |
67 while (ai.hasMore()) { | |
68 boolean processed = false; | |
69 for (int i=0; i<rules.length; i++) { | |
70 processed |= rules[i].process(ai); | |
71 if (processed) { | |
72 break; | |
73 } | |
74 } | |
75 if (!processed) { | |
76 if (defaulter != null) { | |
77 defaulter.handle(ai); | |
78 } else { | |
79 System.err.println("ERROR: unparsed \""+ai.get()+"\""); | |
80 ai.next(); | |
81 } | |
82 } | |
83 } | |
84 } | |
85 } |