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4133
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP
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26 #define SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP
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27
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28 #include "classfile/vmSymbols.hpp"
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29 #include "memory/allocation.hpp"
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30 #include "runtime/os.hpp"
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31 #include "runtime/thread.hpp"
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32 #include "utilities/exceptions.hpp"
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33
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34 class GenDCmdArgument : public ResourceObj {
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35 protected:
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36 GenDCmdArgument* _next;
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37 const char* _name;
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38 const char* _description;
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39 const char* _type;
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40 const char* _default_string;
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41 bool _is_set;
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42 bool _is_mandatory;
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43 GenDCmdArgument(const char* name, const char* description, const char* type,
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44 const char* default_string, bool mandatory) {
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45 _name = name;
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46 _description = description;
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47 _type = type;
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48 _default_string = default_string;
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49 _is_mandatory = mandatory;
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50 _is_set = false;
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51 };
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52 public:
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53 const char* name() { return _name; }
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54 const char* description() { return _description; }
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55 const char* type() { return _type; }
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56 const char* default_string() { return _default_string; }
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57 bool is_set() { return _is_set; }
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58 void set_is_set(bool b) { _is_set = b; }
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59 bool is_mandatory() { return _is_mandatory; }
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60 bool has_value() { return _is_set || _default_string != NULL; }
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61 bool has_default() { return _default_string != NULL; }
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62 void read_value(const char* str, size_t len, TRAPS);
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63 virtual void parse_value(const char* str, size_t len, TRAPS) = 0;
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64 virtual void init_value(TRAPS) = 0;
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65 virtual void reset(TRAPS) = 0;
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66 virtual void cleanup() = 0;
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67 void set_next(GenDCmdArgument* arg) {
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68 _next = arg;
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69 }
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70 GenDCmdArgument* next() {
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71 return _next;
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72 }
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73 };
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74
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75 template <class ArgType> class DCmdArgument: public GenDCmdArgument {
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76 private:
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77 ArgType _value;
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78 public:
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79 DCmdArgument(const char* name, const char* description, const char* type,
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80 bool mandatory) :
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81 GenDCmdArgument(name, description, type, NULL, mandatory) { }
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82 DCmdArgument(const char* name, const char* description, const char* type,
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83 bool mandatory, const char* defaultvalue) :
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84 GenDCmdArgument(name, description, type, defaultvalue, mandatory)
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85 { }
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86 ~DCmdArgument() { destroy_value(); }
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87 ArgType value() { return _value;}
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88 void set_value(ArgType v) { _value = v; }
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89 void reset(TRAPS) {
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90 destroy_value();
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91 init_value(CHECK);
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92 _is_set = false;
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93 }
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94 void cleanup() {
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95 destroy_value();
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96 }
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97 void parse_value(const char* str, size_t len, TRAPS);
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98 void init_value(TRAPS);
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99 void destroy_value();
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100 };
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101
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102 #endif /* SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP */
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