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comparison graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/CodeElementFactory.java @ 7291:a748e4d44694

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Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
author Christian Humer <christian.humer@gmail.com>
date Fri, 21 Dec 2012 10:44:31 -0800
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children 6343a09b2ec1
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7290:a81db08fe930 7291:a748e4d44694
1 /*
2 * Copyright (c) 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.codegen.processor.template;
24
25 import javax.lang.model.element.*;
26
27 import com.oracle.truffle.codegen.processor.*;
28 import com.oracle.truffle.codegen.processor.ast.*;
29
30 public abstract class CodeElementFactory<M> {
31
32 protected final ProcessorContext context;
33 private M model;
34
35 private CodeElement<? super Element> element;
36
37 public CodeElementFactory(ProcessorContext context) {
38 this.context = context;
39 }
40
41 protected abstract CodeElement<?> create(M m);
42
43 @SuppressWarnings("unused")
44 protected void createChildren(M m) { }
45
46 @SuppressWarnings("unchecked")
47 public final CodeElement<?> process(M m) {
48 model = m;
49 element = (CodeElement<? super Element>) create(model);
50 if (element != null) {
51 createChildren(model);
52 }
53 return element;
54 }
55
56 public CodeElement getElement() {
57 return element;
58 }
59
60 protected <MO, K extends Element> void add(CodeElementFactory<MO> factory, MO m) {
61 this.element.add(factory.process(m));
62 }
63
64 public ProcessorContext getContext() {
65 return context;
66 }
67
68 public M getModel() {
69 return model;
70 }
71
72 }