Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultFrameTypeConversion.java @ 12643:856a9864ed93
Frame: add is<Type> methods.
author | Andreas Woess <andreas.woess@jku.at> |
---|---|
date | Wed, 30 Oct 2013 20:01:50 +0100 |
parents | 139b84d713bc |
children |
line wrap: on
line source
/* * 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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) { if (slot.getKind() != FrameSlotKind.Object) { slot.setKind(FrameSlotKind.Object); } frame.setObject(slot, value); } public static DefaultFrameTypeConversion getInstance() { return INSTANCE; } }