Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AccessFieldNode.java @ 19526:8fc336a04d77
Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 20 Feb 2015 22:22:55 +0100 |
parents | 880717e44675 |
children | 48c1ebd24120 |
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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.graal.nodes.java; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; /** * The base class of all instructions that access fields. */ @NodeInfo public abstract class AccessFieldNode extends FixedWithNextNode implements Lowerable { public static final NodeClass<AccessFieldNode> TYPE = NodeClass.create(AccessFieldNode.class); @OptionalInput ValueNode object; protected final ResolvedJavaField field; public ValueNode object() { return object; } /** * Constructs a new access field object. * * @param object the instruction producing the receiver object * @param field the compiler interface representation of the field */ public AccessFieldNode(NodeClass<? extends AccessFieldNode> c, Stamp stamp, ValueNode object, ResolvedJavaField field) { super(c, stamp); this.object = object; this.field = field; assert field.getDeclaringClass().isInitialized(); } /** * Gets the compiler interface field for this field access. * * @return the compiler interface field for this field access */ public ResolvedJavaField 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 field.isStatic(); } /** * Checks whether this field is declared volatile. * * @return {@code true} if the field is resolved and declared volatile */ public boolean isVolatile() { return field.isVolatile(); } @Override public void lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } @Override public String toString(Verbosity verbosity) { if (verbosity == Verbosity.Name) { return super.toString(verbosity) + "#" + field.getName(); } else { return super.toString(verbosity); } } @Override public boolean verify() { assertTrue((object == null) == isStatic(), "static field must not have object, instance field must have object"); return super.verify(); } }