57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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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_MEMORY_CLASSLISTPARSER_HPP
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#define SHARE_VM_MEMORY_CLASSLISTPARSER_HPP
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#include "utilities/exceptions.hpp"
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#include "utilities/globalDefinitions.hpp"
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class ClassListParser : public StackObj {
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enum {
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// Max number of bytes allowed per line in the classlist.
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// Theoretically Java class names could be 65535 bytes in length. In reality,
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// 4K bytes is more than enough.
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_max_allowed_line_len = 4096,
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_line_buf_extra = 10, // for detecting input too long
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_line_buf_size = _max_allowed_line_len + _line_buf_extra
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};
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const char* _classlist_file;
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FILE* _file;
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char _line[_line_buf_size]; // The buffer that holds the current line.
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public:
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ClassListParser(const char* file);
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~ClassListParser();
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bool parse_one_line();
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const char* current_class_name() {
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return _line;
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}
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};
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#endif // SHARE_VM_MEMORY_CLASSLISTPARSER_HPP
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