01: /*
02: * Javassist, a Java-bytecode translator toolkit.
03: * Copyright (C) 1999-2006 Shigeru Chiba. All Rights Reserved.
04: *
05: * The contents of this file are subject to the Mozilla Public License Version
06: * 1.1 (the "License"); you may not use this file except in compliance with
07: * the License. Alternatively, the contents of this file may be used under
08: * the terms of the GNU Lesser General Public License Version 2.1 or later.
09: *
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 {
41: v.atBinExpr(this);
42: }
43: }
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