1 /*
 2  * Copyright (c) 2024, 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.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 package hat.tools.textmodel.tokens;
26 
27 import java.util.function.Predicate;
28 import java.util.regex.Pattern;
29 
30 public class IntConst extends LeafReplacementToken {
31     public final int i;
32     public static final Pattern regex = Pattern.compile("[0-9][0-9]*");
33 
34     public IntConst(Token t) {
35         super(t);
36         var s = t.asString();
37         this.i = Integer.parseInt(s);
38     }
39 
40     public static boolean isA(Token t, Predicate<IntConst> predicate) {
41         return t instanceof IntConst intConst && predicate.test(intConst);
42     }
43     public static boolean isA(Token t) {
44         return isA(t, _->true);
45     }
46 }