Mercurial > hg > graal-jvmci-8
view graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/nodes/java/AccessFieldNode.java @ 3529:d683f8a40c05
Second round of refactoring.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 10 Aug 2011 00:34:29 +0200 |
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/* * Copyright (c) 2009, 2011, 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.max.graal.compiler.nodes.java; import java.lang.reflect.*; import java.util.*; import com.oracle.max.graal.compiler.nodes.base.*; import com.oracle.max.graal.graph.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * The base class of all instructions that access fields. */ public abstract class AccessFieldNode extends StateSplit { @Input private ValueNode object; public ValueNode object() { return object; } public void setObject(ValueNode x) { updateUsages(object, x); object = x; } protected final RiField field; /** * Constructs a new access field object. * @param kind the result kind of the access * @param object the instruction producing the receiver object * @param field the compiler interface representation of the field * @param graph */ public AccessFieldNode(CiKind kind, ValueNode object, RiField field, Graph graph) { super(kind, graph); this.field = field; setObject(object); assert field.isResolved(); assert field.holder().isInitialized(); } /** * Gets the compiler interface field for this field access. * @return the compiler interface field for this field access */ public RiField field() { return field; } /** * Checks whether this field access is an access to a static field. * @return {@code true} if this field access is to a static field */ public boolean isStatic() { return Modifier.isStatic(field.accessFlags()); } /** * Checks whether this field is declared volatile. * @return {@code true} if the field is resolved and declared volatile */ public boolean isVolatile() { return Modifier.isVolatile(field.accessFlags()); } @Override public Map<Object, Object> getDebugProperties() { Map<Object, Object> properties = super.getDebugProperties(); properties.put("field", field); return properties; } }