Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/RootNode.java @ 11956:8a6d0cd7971b
Label: allocate ArrayList lazily
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Thu, 10 Oct 2013 13:03:26 +0200 |
parents | 8f0fb0ade839 |
children | ac5b0f31f7a2 |
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/* * Copyright (c) 2012, 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.nodes; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; /** * A root node is a node with a method to execute it given only a frame as a parameter. Therefore, a * root node can be used to create a call target using * {@link TruffleRuntime#createCallTarget(RootNode, FrameDescriptor)}. */ public abstract class RootNode extends Node { protected RootNode() { } protected RootNode(SourceSection sourceSection) { super(sourceSection); } /** * Executes this function using the specified frame and returns the result value. * * @param frame the frame of the currently executing guest language method * @return the value of the execution */ public abstract Object execute(VirtualFrame frame); private CallTarget callTarget; public CallTarget getCallTarget() { return callTarget; } public void setCallTarget(CallTarget callTarget) { this.callTarget = callTarget; } }