| /* |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #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 |