author | mlarsson |
Wed, 27 Jan 2016 09:07:10 +0100 | |
changeset 35852 | 15ca44d4ae0c |
parent 34316 | 4d876653d940 |
child 37463 | a4581cbe32cd |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_LOGGING_LOGTAGLEVELEXPRESSION_HPP |
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#define SHARE_VM_LOGGING_LOGTAGLEVELEXPRESSION_HPP |
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#include "logging/logConfiguration.hpp" |
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#include "logging/logLevel.hpp" |
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#include "logging/logTag.hpp" |
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#include "memory/allocation.hpp" |
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#include "utilities/debug.hpp" |
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#include "utilities/globalDefinitions.hpp" |
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class LogTagSet; |
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// Class used to temporary encode a 'what'-expression during log configuration. |
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// Consists of a combination of tags and levels, e.g. "tag1+tag2=level1,tag3*=level2". |
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class LogTagLevelExpression : public StackObj { |
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friend void LogConfiguration::configure_stdout(LogLevelType, bool, ...); |
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private: |
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static const size_t MaxCombinations = 32; |
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static const char* DefaultExpressionString; |
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size_t _ntags, _ncombinations; |
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LogTagType _tags[MaxCombinations][LogTag::MaxTags]; |
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LogLevelType _level[MaxCombinations]; |
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bool _allow_other_tags[MaxCombinations]; |
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void new_combination() { |
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// Make sure either all tags are set or the last tag is __NO_TAG |
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if (_ntags < LogTag::MaxTags) { |
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_tags[_ncombinations][_ntags] = LogTag::__NO_TAG; |
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} |
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_ncombinations++; |
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_ntags = 0; |
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} |
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void add_tag(LogTagType tag) { |
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assert(_ntags < LogTag::MaxTags, "Can't have more tags than MaxTags!"); |
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_tags[_ncombinations][_ntags++] = tag; |
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} |
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void set_level(LogLevelType level) { |
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_level[_ncombinations] = level; |
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} |
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void set_allow_other_tags() { |
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_allow_other_tags[_ncombinations] = true; |
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} |
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public: |
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LogTagLevelExpression() : _ntags(0), _ncombinations(0) { |
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for (size_t combination = 0; combination < MaxCombinations; combination++) { |
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_level[combination] = LogLevel::Invalid; |
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_allow_other_tags[combination] = false; |
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_tags[combination][0] = LogTag::__NO_TAG; |
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} |
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} |
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bool parse(const char* str, outputStream* errstream = NULL); |
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LogLevelType level_for(const LogTagSet& ts) const; |
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}; |
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#endif // SHARE_VM_LOGGING_LOGTAGLEVELEXPRESSION_HPP |