/*
* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
#ifndef SHARE_VM_CI_CIEXCEPTIONHANDLER_HPP
#define SHARE_VM_CI_CIEXCEPTIONHANDLER_HPP
#include "ci/ciClassList.hpp"
#include "ci/ciInstanceKlass.hpp"
// ciExceptionHandler
//
// This class represents an exception handler for a method.
class ciExceptionHandler : public ResourceObj {
private:
friend class ciMethod;
// The loader to be used for resolving the exception
// klass.
ciInstanceKlass* _loading_klass;
// Handler data.
int _start;
int _limit;
int _handler_bci;
int _catch_klass_index;
// The exception klass that this handler catches.
ciInstanceKlass* _catch_klass;
public:
ciExceptionHandler(ciInstanceKlass* loading_klass,
int start, int limit,
int handler_bci, int klass_index) {
_loading_klass = loading_klass;
_start = start;
_limit = limit;
_handler_bci = handler_bci;
_catch_klass_index = klass_index;
_catch_klass = NULL;
}
int start() { return _start; }
int limit() { return _limit; }
int handler_bci() { return _handler_bci; }
int catch_klass_index() { return _catch_klass_index; }
// Get the exception klass that this handler catches.
ciInstanceKlass* catch_klass();
bool is_catch_all() { return catch_klass_index() == 0; }
bool is_in_range(int bci) {
return start() <= bci && bci < limit();
}
bool catches(ciInstanceKlass *exc) {
return is_catch_all() || exc->is_subtype_of(catch_klass());
}
bool is_rethrow() { return handler_bci() == -1; }
void print();
};
#endif // SHARE_VM_CI_CIEXCEPTIONHANDLER_HPP