Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultFrameTypeConversion.java @ 9278:8cf939b349dd
Frame API: automatically change frame slot type for uninitialized slots
author | Andreas Woess <andreas.woess@jku.at> |
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date | Wed, 24 Apr 2013 14:14:22 +0200 |
parents | 07f8d136a05e |
children | 494b818b527c |
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/* * Copyright (c) 2013, 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. */ package com.oracle.truffle.api.impl; import com.oracle.truffle.api.frame.*; /** * Interface for defining type conversions for frame slot values. */ public class DefaultFrameTypeConversion implements FrameTypeConversion { private static final DefaultFrameTypeConversion INSTANCE = new DefaultFrameTypeConversion(); @Override public Object getDefaultValue() { return null; } @Override public void updateFrameSlot(Frame frame, FrameSlot slot, Object value) { FrameUtil.setObjectSafe(frame, slot, value); } public static DefaultFrameTypeConversion getInstance() { return INSTANCE; } }