1 /* 2 * Copyright (c) 2011, 2012 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 #include "precompiled.hpp" 26 #include "memory/allocation.inline.hpp" 27 #include "runtime/thread.hpp" 28 #include "services/diagnosticArgument.hpp" 29 30 void GenDCmdArgument::read_value(const char* str, size_t len, TRAPS) { 31 if (is_set()) { 32 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), 33 "Duplicates in diagnostic command arguments"); 34 } 35 parse_value(str, len, CHECK); 36 set_is_set(true); 37 } 38 39 template <> void DCmdArgument<jlong>::parse_value(const char* str, 40 size_t len, TRAPS) { 41 if (sscanf(str, INT64_FORMAT, &_value) != 1) { 42 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), 43 "Integer parsing error in diagnostic command arguments"); 44 } 45 } 46 47 template <> void DCmdArgument<jlong>::init_value(TRAPS) { 48 if (has_default()) { 49 this->parse_value(_default_string, strlen(_default_string), THREAD); 50 if (HAS_PENDING_EXCEPTION) { 51 fatal("Default string must be parsable"); 52 } 53 } else { 54 set_value(0); 55 } 56 } 57 58 template <> void DCmdArgument<jlong>::destroy_value() { } 59 60 template <> void DCmdArgument<bool>::parse_value(const char* str, 61 size_t len, TRAPS) { 62 // len is the length of the current token starting at str 63 if (len == 0) { 64 set_value(true); 65 } else { 66 if (len == strlen("true") && strncasecmp(str, "true", len) == 0) { 67 set_value(true); 68 } else if (len == strlen("false") && strncasecmp(str, "false", len) == 0) { 69 set_value(false); 70 } else { 71 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), 72 "Boolean parsing error in diagnostic command arguments"); 73 } 74 } 75 } 76 77 template <> void DCmdArgument<bool>::init_value(TRAPS) { 78 if (has_default()) { 79 this->parse_value(_default_string, strlen(_default_string), THREAD); 80 if (HAS_PENDING_EXCEPTION) { 81 fatal("Default string must be parsable"); 82 } 83 } else { 84 set_value(false); 85 } 86 } 87 88 template <> void DCmdArgument<bool>::destroy_value() { } 89 90 template <> void DCmdArgument<char*>::parse_value(const char* str, 91 size_t len, TRAPS) { 92 _value = NEW_C_HEAP_ARRAY(char, len+1); 93 strncpy(_value, str, len); 94 _value[len] = 0; 95 } 96 97 template <> void DCmdArgument<char*>::init_value(TRAPS) { 98 if (has_default()) { 99 this->parse_value(_default_string, strlen(_default_string), THREAD); 100 if (HAS_PENDING_EXCEPTION) { 101 fatal("Default string must be parsable"); 102 } 103 } else { 104 set_value(NULL); 105 } 106 } 107 108 template <> void DCmdArgument<char*>::destroy_value() { 109 if (_value != NULL) { 110 FREE_C_HEAP_ARRAY(char, _value); 111 set_value(NULL); 112 } 113 }