Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.graphbuilderconf/src/com/oracle/graal/graphbuilderconf/LoadFieldPlugin.java @ 19821:87736c089259
refactored graph builder plugins to be top level interfaces
author | Doug Simon <doug.simon@oracle.com> |
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date | Sun, 15 Mar 2015 11:48:14 +0100 |
parents | |
children | 2d51a92a301a |
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/* * Copyright (c) 2015, 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.graphbuilderconf; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.*; public interface LoadFieldPlugin extends GraphBuilderPlugin { @SuppressWarnings("unused") default boolean apply(GraphBuilderContext b, ValueNode receiver, ResolvedJavaField field) { return false; } @SuppressWarnings("unused") default boolean apply(GraphBuilderContext graphBuilderContext, ResolvedJavaField staticField) { return false; } default boolean tryConstantFold(GraphBuilderContext b, MetaAccessProvider metaAccess, ConstantReflectionProvider constantReflection, ResolvedJavaField field, JavaConstant receiver) { JavaConstant result = constantReflection.readConstantFieldValue(field, receiver); if (result != null) { ConstantNode constantNode = b.append(ConstantNode.forConstant(result, metaAccess)); b.push(constantNode.getKind().getStackKind(), constantNode); return true; } return false; } }