Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api.codegen/src/com/oracle/truffle/api/codegen/NodeFactory.java @ 8264:9d2e83b4ebbf
Merge.
author | Peter B. Kessler <Peter.B.Kessler@Oracle.COM> |
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date | Wed, 13 Mar 2013 14:55:08 -0700 |
parents | 4c0d72c98797 |
children | 47233c73ca58 |
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/* * Copyright (c) 2012, 2012, 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.truffle.api.codegen; import java.util.*; import com.oracle.truffle.api.nodes.*; /** * Enables the dynamic creation of generated nodes. It provides an convenient way to instantiate * generated node classes without using reflection. */ public interface NodeFactory<T> { /** * Instantiates the node using the arguments array. The arguments length and types must suffice * one of the returned signatures in {@link #getNodeSignatures()}. If the arguments array does * not suffice one of the node signatures an {@link IllegalArgumentException} is thrown. * * @param arguments the argument values * @return the instantiated node * @throws IllegalArgumentException */ T createNode(Object... arguments); /** * Instantiates a new specialized variant of the node. This is an optional method and throws an * {@link UnsupportedOperationException} if not supported. * * @param thisNode the current node * @param specializionClasses * @return the specialized node */ T createNodeSpecialized(T thisNode, Class<?>... specializionClasses); /** * Returns the node class that will get created by {@link #createNode(Object...)}. The node * class does not match exactly to the instantiated object but they are guaranteed to be * assignable. */ Class<T> getNodeClass(); /** * Returns a list of signatures that can be used to invoke {@link #createNode(Object...)}. */ List<List<Class<?>>> getNodeSignatures(); /** * Returns a list of children that will be executed by the created node. This is useful for base * nodes that can execute a variable amount of nodes. */ List<Class<? extends Node>> getExecutionSignature(); }