Mercurial > jdk8-mips64-public > jaxws / annotate
src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/gbind/Expression.java@0989ad8c0860 (annotated)
src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/gbind/Expression.java
Tue, 09 Apr 2013 14:51:13 +0100
- author
- alanb
- date
- Tue, 09 Apr 2013 14:51:13 +0100
- changeset 368
- 0989ad8c0860
- parent 0
- 373ffda63c9a
- permissions
- -rw-r--r--
8010393: Update JAX-WS RI to 2.2.9-b12941
Reviewed-by: alanb, erikj
Contributed-by: miroslav.kos@oracle.com, martin.grebac@oracle.com
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
| aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
| aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
| aoqi@0 | 10 | * |
| aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 15 | * accompanied this code). |
| aoqi@0 | 16 | * |
| aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 20 | * |
| aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 23 | * questions. |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | package com.sun.tools.internal.xjc.reader.gbind; |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | import java.util.Set; |
| aoqi@0 | 29 | |
| aoqi@0 | 30 | /** |
| aoqi@0 | 31 | * This builds content models. |
| aoqi@0 | 32 | * |
| aoqi@0 | 33 | * @author Kohsuke Kawaguchi |
| aoqi@0 | 34 | */ |
| aoqi@0 | 35 | public abstract class Expression { |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | /** |
| aoqi@0 | 38 | * Computes <tt>LAST(exp)</tt> |
| aoqi@0 | 39 | */ |
| aoqi@0 | 40 | abstract ElementSet lastSet(); |
| aoqi@0 | 41 | |
| aoqi@0 | 42 | /** |
| aoqi@0 | 43 | * True of <tt>\epsilon \in L(exp)</tt> |
| aoqi@0 | 44 | */ |
| aoqi@0 | 45 | abstract boolean isNullable(); |
| aoqi@0 | 46 | |
| aoqi@0 | 47 | /** |
| aoqi@0 | 48 | * Builds up a DAG among {@link Element}s in this expression. |
| aoqi@0 | 49 | */ |
| aoqi@0 | 50 | abstract void buildDAG(ElementSet incoming); |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | /** |
| aoqi@0 | 53 | * {@link Expression} that represents epsilon, the length-0 string. |
| aoqi@0 | 54 | */ |
| aoqi@0 | 55 | public static final Expression EPSILON = new Expression() { |
| aoqi@0 | 56 | ElementSet lastSet() { |
| aoqi@0 | 57 | return ElementSet.EMPTY_SET; |
| aoqi@0 | 58 | } |
| aoqi@0 | 59 | |
| aoqi@0 | 60 | boolean isNullable() { |
| aoqi@0 | 61 | return true; |
| aoqi@0 | 62 | } |
| aoqi@0 | 63 | |
| aoqi@0 | 64 | void buildDAG(ElementSet incoming) { |
| aoqi@0 | 65 | // noop |
| aoqi@0 | 66 | } |
| aoqi@0 | 67 | |
| aoqi@0 | 68 | public String toString() { |
| aoqi@0 | 69 | return "-"; |
| aoqi@0 | 70 | } |
| aoqi@0 | 71 | }; |
| aoqi@0 | 72 | } |
