Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/VirtualInstanceNode.java @ 7049:ccade022ec83
virtualization of unsafeload and unsafestore
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Tue, 27 Nov 2012 17:32:40 +0100 |
parents | 24950e93b962 |
children | c37022832f1a |
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/* * Copyright (c) 2011, 2012, 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.graal.nodes.virtual; import java.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; @NodeInfo(nameTemplate = "VirtualInstance {p#type}") public class VirtualInstanceNode extends VirtualObjectNode { private final ResolvedJavaType type; private final ResolvedJavaField[] fields; private final HashMap<ResolvedJavaField, Integer> fieldMap = new HashMap<>(); public VirtualInstanceNode(long virtualId, ResolvedJavaType type, ResolvedJavaField[] fields) { super(virtualId); this.type = type; this.fields = fields; for (int i = 0; i < fields.length; i++) { fieldMap.put(fields[i], i); } } @Override public ResolvedJavaType type() { return type; } @Override public int entryCount() { return fields.length; } public ResolvedJavaField field(int index) { return fields[index]; } @Override public String toString(Verbosity verbosity) { if (verbosity == Verbosity.Name) { return super.toString(Verbosity.Name) + " " + MetaUtil.toJavaName(type, false); } else { return super.toString(verbosity); } } @Override public String fieldName(int index) { return fields[index].getName(); } public int fieldIndex(ResolvedJavaField field) { Integer index = fieldMap.get(field); return index == null ? -1 : index; } @Override public int fieldIndexForOffset(long constantOffset) { return fieldIndex(type.findFieldWithOffset(constantOffset)); } }