Mercurial > hg > graal-compiler
view src/share/vm/ci/ciExceptionHandler.hpp @ 974:26b774d693aa
Merge
author | acorn |
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date | Wed, 16 Sep 2009 09:10:57 -0400 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 1999-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // 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(); };