76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright 1999-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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// ciExceptionHandler
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//
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// This class represents an exception handler for a method.
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class ciExceptionHandler : public ResourceObj {
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private:
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friend class ciMethod;
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// The loader to be used for resolving the exception
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// klass.
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ciInstanceKlass* _loading_klass;
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// Handler data.
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int _start;
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int _limit;
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int _handler_bci;
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int _catch_klass_index;
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// The exception klass that this handler catches.
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ciInstanceKlass* _catch_klass;
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public:
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ciExceptionHandler(ciInstanceKlass* loading_klass,
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int start, int limit,
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int handler_bci, int klass_index) {
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_loading_klass = loading_klass;
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_start = start;
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_limit = limit;
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_handler_bci = handler_bci;
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_catch_klass_index = klass_index;
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_catch_klass = NULL;
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}
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int start() { return _start; }
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int limit() { return _limit; }
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int handler_bci() { return _handler_bci; }
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int catch_klass_index() { return _catch_klass_index; }
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// Get the exception klass that this handler catches.
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ciInstanceKlass* catch_klass();
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bool is_catch_all() { return catch_klass_index() == 0; }
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bool is_in_range(int bci) {
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return start() <= bci && bci < limit();
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}
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bool catches(ciInstanceKlass *exc) {
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return is_catch_all() || exc->is_subtype_of(catch_klass());
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}
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bool is_rethrow() { return handler_bci() == -1; }
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void print();
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};
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