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annotate src/share/vm/services/diagnosticArgument.cpp @ 4994:e37be4557f0b

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Small fix for windows.
author Andreas Woess <andreas.woess@jku.at>
date Tue, 28 Feb 2012 18:57:46 +0100
parents f1cb6f9cfe21
children 51612f0c0a79
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1 /*
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2 * Copyright (c) 2011, 2012 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 #include "precompiled.hpp"
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26 #include "memory/allocation.inline.hpp"
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27 #include "runtime/thread.hpp"
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28 #include "services/diagnosticArgument.hpp"
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29
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30 void GenDCmdArgument::read_value(const char* str, size_t len, TRAPS) {
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31 /* NOTE:Some argument types doesn't require a value,
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32 * for instance boolean arguments: "enableFeatureX". is
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33 * equivalent to "enableFeatureX=true". In these cases,
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34 * str will be null. This is perfectly valid.
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35 * All argument types must perform null checks on str.
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36 */
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37
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38 if (is_set() && !allow_multiple()) {
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39 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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40 "Duplicates in diagnostic command arguments\n");
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41 }
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42 parse_value(str, len, CHECK);
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43 set_is_set(true);
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44 }
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45
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46 template <> void DCmdArgument<jlong>::parse_value(const char* str,
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47 size_t len, TRAPS) {
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48 if (str == NULL || sscanf(str, INT64_FORMAT, &_value) != 1) {
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49 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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50 "Integer parsing error in diagnostic command arguments\n");
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51 }
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52 }
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53
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54 template <> void DCmdArgument<jlong>::init_value(TRAPS) {
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55 if (has_default()) {
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56 this->parse_value(_default_string, strlen(_default_string), THREAD);
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57 if (HAS_PENDING_EXCEPTION) {
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58 fatal("Default string must be parsable");
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59 }
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60 } else {
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61 set_value(0);
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62 }
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63 }
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64
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65 template <> void DCmdArgument<jlong>::destroy_value() { }
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66
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67 template <> void DCmdArgument<bool>::parse_value(const char* str,
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68 size_t len, TRAPS) {
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69 // len is the length of the current token starting at str
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70 if (len == 0) {
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71 set_value(true);
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72 } else {
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73 if (len == strlen("true") && strncasecmp(str, "true", len) == 0) {
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74 set_value(true);
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75 } else if (len == strlen("false") && strncasecmp(str, "false", len) == 0) {
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76 set_value(false);
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77 } else {
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78 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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79 "Boolean parsing error in diagnostic command arguments");
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80 }
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81 }
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82 }
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83
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84 template <> void DCmdArgument<bool>::init_value(TRAPS) {
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85 if (has_default()) {
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86 this->parse_value(_default_string, strlen(_default_string), THREAD);
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87 if (HAS_PENDING_EXCEPTION) {
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88 fatal("Default string must be parsable");
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89 }
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90 } else {
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91 set_value(false);
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92 }
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93 }
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94
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95 template <> void DCmdArgument<bool>::destroy_value() { }
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96
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97 template <> void DCmdArgument<char*>::parse_value(const char* str,
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98 size_t len, TRAPS) {
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99 if (str == NULL) {
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100 _value = NULL;
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101 } else {
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102 _value = NEW_C_HEAP_ARRAY(char, len+1);
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103 strncpy(_value, str, len);
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104 _value[len] = 0;
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105 }
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106 }
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107
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108 template <> void DCmdArgument<char*>::init_value(TRAPS) {
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109 if (has_default() && _default_string != NULL) {
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110 this->parse_value(_default_string, strlen(_default_string), THREAD);
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111 if (HAS_PENDING_EXCEPTION) {
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112 fatal("Default string must be parsable");
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113 }
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114 } else {
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115 set_value(NULL);
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116 }
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117 }
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118
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119 template <> void DCmdArgument<char*>::destroy_value() {
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120 if (_value != NULL) {
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121 FREE_C_HEAP_ARRAY(char, _value);
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122 set_value(NULL);
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123 }
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124 }
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125
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126 template <> void DCmdArgument<NanoTimeArgument>::parse_value(const char* str,
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127 size_t len, TRAPS) {
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128 if (str == NULL) {
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129 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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130 "Integer parsing error nanotime value: syntax error");
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131 }
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132
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133 int argc = sscanf(str, INT64_FORMAT , &_value._time);
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134 if (argc != 1) {
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135 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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136 "Integer parsing error nanotime value: syntax error");
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137 }
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138 size_t idx = 0;
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139 while(idx < len && isdigit(str[idx])) {
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140 idx++;
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141 }
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142 if (idx == len) {
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143 // only accept missing unit if the value is 0
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144 if (_value._time != 0) {
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145 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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146 "Integer parsing error nanotime value: unit required");
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147 } else {
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148 _value._nanotime = 0;
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149 strcpy(_value._unit, "ns");
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150 return;
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151 }
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152 } else if(len - idx > 2) {
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153 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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154 "Integer parsing error nanotime value: illegal unit");
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155 } else {
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156 strncpy(_value._unit, &str[idx], len - idx);
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157 /*Write an extra null termination. This is safe because _value._unit
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158 * is declared as char[3], and length is checked to be not larger than
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159 * two above. Also, this is necessary, since length might be 1, and the
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160 * default value already in the string is ns, which is two chars.
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161 */
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162 _value._unit[len-idx] = '\0';
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163 }
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164
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165 if (strcmp(_value._unit, "ns") == 0) {
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166 _value._nanotime = _value._time;
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167 } else if (strcmp(_value._unit, "us") == 0) {
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168 _value._nanotime = _value._time * 1000;
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169 } else if (strcmp(_value._unit, "ms") == 0) {
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170 _value._nanotime = _value._time * 1000 * 1000;
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171 } else if (strcmp(_value._unit, "s") == 0) {
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172 _value._nanotime = _value._time * 1000 * 1000 * 1000;
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173 } else if (strcmp(_value._unit, "m") == 0) {
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174 _value._nanotime = _value._time * 60 * 1000 * 1000 * 1000;
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175 } else if (strcmp(_value._unit, "h") == 0) {
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176 _value._nanotime = _value._time * 60 * 60 * 1000 * 1000 * 1000;
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177 } else if (strcmp(_value._unit, "d") == 0) {
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178 _value._nanotime = _value._time * 24 * 60 * 60 * 1000 * 1000 * 1000;
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179 } else {
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180 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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181 "Integer parsing error nanotime value: illegal unit");
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182 }
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183 }
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184
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185 template <> void DCmdArgument<NanoTimeArgument>::init_value(TRAPS) {
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186 if (has_default()) {
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187 this->parse_value(_default_string, strlen(_default_string), THREAD);
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188 if (HAS_PENDING_EXCEPTION) {
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189 fatal("Default string must be parsable");
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190 }
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191 } else {
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192 _value._time = 0;
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193 _value._nanotime = 0;
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194 strcmp(_value._unit, "ns");
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195 }
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196 }
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197
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198 template <> void DCmdArgument<NanoTimeArgument>::destroy_value() { }
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199
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200 // WARNING StringArrayArgument can only be used as an option, it cannot be
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201 // used as an argument with the DCmdParser
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202
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203 template <> void DCmdArgument<StringArrayArgument*>::parse_value(const char* str,
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204 size_t len, TRAPS) {
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205 _value->add(str,len);
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206 }
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207
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208 template <> void DCmdArgument<StringArrayArgument*>::init_value(TRAPS) {
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209 _value = new StringArrayArgument();
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210 _allow_multiple = true;
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211 if (has_default()) {
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212 fatal("StringArrayArgument cannot have default value");
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213 }
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214 }
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215
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216 template <> void DCmdArgument<StringArrayArgument*>::destroy_value() {
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217 if (_value != NULL) {
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218 delete _value;
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219 set_value(NULL);
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220 }
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221 }
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222
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223 template <> void DCmdArgument<MemorySizeArgument>::parse_value(const char* str,
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224 size_t len, TRAPS) {
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225 if (str == NULL) {
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226 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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227 "Integer parsing error nanotime value: syntax error");
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228 }
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229
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230 if (*str == '-') {
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231 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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232 "Parsing error memory size value: negative values not allowed");
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233 }
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234 int res = sscanf(str, UINT64_FORMAT "%c", &_value._val, &_value._multiplier);
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235 if (res == 2) {
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236 switch (_value._multiplier) {
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237 case 'k': case 'K':
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238 _value._size = _value._val * 1024;
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239 break;
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240 case 'm': case 'M':
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241 _value._size = _value._val * 1024 * 1024;
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242 break;
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243 case 'g': case 'G':
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244 _value._size = _value._val * 1024 * 1024 * 1024;
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245 break;
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246 default:
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247 _value._size = _value._val;
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248 _value._multiplier = ' ';
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249 //default case should be to break with no error, since user
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250 //can write size in bytes, or might have a delimiter and next arg
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251 break;
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252 }
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253 } else if (res == 1) {
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254 _value._size = _value._val;
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255 } else {
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256 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
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257 "Parsing error memory size value: invalid value");
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258 }
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259 }
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260
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261 template <> void DCmdArgument<MemorySizeArgument>::init_value(TRAPS) {
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262 if (has_default()) {
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263 this->parse_value(_default_string, strlen(_default_string), THREAD);
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264 if (HAS_PENDING_EXCEPTION) {
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265 fatal("Default string must be parsable");
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266 }
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267 } else {
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268 _value._size = 0;
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269 _value._val = 0;
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270 _value._multiplier = ' ';
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271 }
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272 }
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273
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274 template <> void DCmdArgument<MemorySizeArgument>::destroy_value() { }