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Java > Open Source Codes > javassist > compiler > ast > BinExpr


1 /*
2  * Javassist, a Java-bytecode translator toolkit.
3  * Copyright (C) 1999-2005 Shigeru Chiba. All Rights Reserved.
4  *
5  * The contents of this file are subject to the Mozilla Public License Version
6  * 1.1 (the "License"); you may not use this file except in compliance with
7  * the License. Alternatively, the contents of this file may be used under
8  * the terms of the GNU Lesser General Public License Version 2.1 or later.
9  *
10  * Software distributed under the License is distributed on an "AS IS" basis,
11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12  * for the specific language governing rights and limitations under the
13  * License.
14  */
15
16 package javassist.compiler.ast;
17
18 import javassist.compiler.CompileError;
19
20 /**
21  * Binary expression.
22  *
23  * <p>If the operator is +, the right node might be null.
24  * See TypeChecker.atBinExpr().
25  */
26 public class BinExpr extends Expr {
27     /* operator must be either of:
28      * ||, &&, |, ^, &, ==, !=, <=, >=, <, >,
29      * <<, >>, >>>, +, -, *, /, %
30      */
31
32     private BinExpr(int op, ASTree _head, ASTList _tail) {
33         super(op, _head, _tail);
34     }
35
36     public static BinExpr makeBin(int op, ASTree oprand1, ASTree oprand2) {
37         return new BinExpr(op, oprand1, new ASTList(oprand2));
38     }
39
40     public void accept(Visitor v) throws CompileError { v.atBinExpr(this); }
41 }
42
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