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comparison src/share/vm/services/diagnosticArgument.hpp @ 4133:3b688d6ff3d0

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7104647: Adding a diagnostic command framework Reviewed-by: phh, dcubed
author fparain
date Wed, 14 Dec 2011 04:30:57 -0800
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children f1cb6f9cfe21
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4131:e9b91fd07263 4133:3b688d6ff3d0
1 /*
2 * Copyright (c) 2011, 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 #ifndef SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP
26 #define SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP
27
28 #include "classfile/vmSymbols.hpp"
29 #include "memory/allocation.hpp"
30 #include "runtime/os.hpp"
31 #include "runtime/thread.hpp"
32 #include "utilities/exceptions.hpp"
33
34 class GenDCmdArgument : public ResourceObj {
35 protected:
36 GenDCmdArgument* _next;
37 const char* _name;
38 const char* _description;
39 const char* _type;
40 const char* _default_string;
41 bool _is_set;
42 bool _is_mandatory;
43 GenDCmdArgument(const char* name, const char* description, const char* type,
44 const char* default_string, bool mandatory) {
45 _name = name;
46 _description = description;
47 _type = type;
48 _default_string = default_string;
49 _is_mandatory = mandatory;
50 _is_set = false;
51 };
52 public:
53 const char* name() { return _name; }
54 const char* description() { return _description; }
55 const char* type() { return _type; }
56 const char* default_string() { return _default_string; }
57 bool is_set() { return _is_set; }
58 void set_is_set(bool b) { _is_set = b; }
59 bool is_mandatory() { return _is_mandatory; }
60 bool has_value() { return _is_set || _default_string != NULL; }
61 bool has_default() { return _default_string != NULL; }
62 void read_value(const char* str, size_t len, TRAPS);
63 virtual void parse_value(const char* str, size_t len, TRAPS) = 0;
64 virtual void init_value(TRAPS) = 0;
65 virtual void reset(TRAPS) = 0;
66 virtual void cleanup() = 0;
67 void set_next(GenDCmdArgument* arg) {
68 _next = arg;
69 }
70 GenDCmdArgument* next() {
71 return _next;
72 }
73 };
74
75 template <class ArgType> class DCmdArgument: public GenDCmdArgument {
76 private:
77 ArgType _value;
78 public:
79 DCmdArgument(const char* name, const char* description, const char* type,
80 bool mandatory) :
81 GenDCmdArgument(name, description, type, NULL, mandatory) { }
82 DCmdArgument(const char* name, const char* description, const char* type,
83 bool mandatory, const char* defaultvalue) :
84 GenDCmdArgument(name, description, type, defaultvalue, mandatory)
85 { }
86 ~DCmdArgument() { destroy_value(); }
87 ArgType value() { return _value;}
88 void set_value(ArgType v) { _value = v; }
89 void reset(TRAPS) {
90 destroy_value();
91 init_value(CHECK);
92 _is_set = false;
93 }
94 void cleanup() {
95 destroy_value();
96 }
97 void parse_value(const char* str, size_t len, TRAPS);
98 void init_value(TRAPS);
99 void destroy_value();
100 };
101
102 #endif /* SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP */