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comparison graal/com.oracle.truffle.api.codegen/src/com/oracle/truffle/api/codegen/NodeFactory.java @ 7855:6e4fb0ccebb1

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Generated factories implement the new NodeFactory interface.
author Christian Humer <christian.humer@gmail.com>
date Mon, 25 Feb 2013 13:13:02 +0100
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1 /*
2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.truffle.api.codegen;
24
25 import java.util.*;
26
27 /**
28 * Enables the dynamic creation of generated nodes. It provides an convenient way to instantiate
29 * generated node classes without using reflection.
30 */
31 public interface NodeFactory<T> {
32
33 /**
34 * Instantiates the node using the arguments array. The arguments length and types must suffice
35 * one of the returned signatures in {@link #getNodeSignatures()}. If the arguments array does
36 * not suffice one of the node signatures an {@link IllegalArgumentException} is thrown.
37 *
38 * @param arguments the argument values
39 * @return the instantiated node
40 * @throws IllegalArgumentException
41 */
42 T createNode(Object... arguments);
43
44 /**
45 * Instantiates a new specialized variant of the node. This is an optional method and throws an
46 * {@link UnsupportedOperationException} if not supported.
47 *
48 * @param thisNode the current node
49 * @param specializionClasses
50 * @return the specialized node
51 */
52 T createNodeSpecialized(T thisNode, Class<?>... specializionClasses);
53
54 /**
55 * Returns the node class that will get created by {@link #createNode(Object...)}. The node
56 * class does not match exactly to the instantiated object but they are guaranteed to be
57 * assignable.
58 */
59 Class<T> getNodeClass();
60
61 /**
62 * Returns a list of signatures that can be used to invoke {@link #createNode(Object...)}.
63 */
64 List<List<Class<?>>> getNodeSignatures();
65
66 }