Mercurial > hg > truffle
diff truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/IndirectCallNode.java @ 21951:9c8c0937da41
Moving all sources into truffle subdirectory
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
---|---|
date | Wed, 17 Jun 2015 10:58:08 +0200 |
parents | graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/IndirectCallNode.java@57f3498a51a4 |
children | dc83cc1f94f2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/IndirectCallNode.java Wed Jun 17 10:58:08 2015 +0200 @@ -0,0 +1,55 @@ +/* + * 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.*; + +/** + * Represents an indirect call to a {@link CallTarget}. Indirect calls are calls for which the + * {@link CallTarget} may change dynamically for each consecutive call. This part of the Truffle API + * enables the runtime system to perform additional optimizations on indirect calls. + * + * Please note: This class is not intended to be sub classed by guest language implementations. + * + * @see DirectCallNode for faster calls with a constantly known {@link CallTarget}. + */ +public abstract class IndirectCallNode extends Node { + + /** + * Performs an indirect call to the given {@link CallTarget} target with the provided arguments. + * + * @param frame the caller frame + * @param target the {@link CallTarget} to call + * @param arguments the arguments to provide + * @return the return value of the call + */ + public abstract Object call(VirtualFrame frame, CallTarget target, Object[] arguments); + + public static IndirectCallNode create() { + return Truffle.getRuntime().createIndirectCallNode(); + } + +}