1/*
2 * Copyright (c) 1994, 2003, 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
26package sun.tools.tree;
27
28import sun.tools.java.*;
29import sun.tools.asm.Assembler;
30
31/**
32 * WARNING: The contents of this source file are not part of any
33 * supported API.  Code that depends on them does so at its own risk:
34 * they are subject to change or removal without notice.
35 */
36public
37class PositiveExpression extends UnaryExpression {
38    /**
39     * Constructor
40     */
41    public PositiveExpression(long where, Expression right) {
42        super(POS, where, right.type, right);
43    }
44
45    /**
46     * Select the type of the expression
47     */
48    void selectType(Environment env, Context ctx, int tm) {
49        if ((tm & TM_DOUBLE) != 0) {
50            type = Type.tDouble;
51        } else if ((tm & TM_FLOAT) != 0) {
52            type = Type.tFloat;
53        } else if ((tm & TM_LONG) != 0) {
54            type = Type.tLong;
55        } else {
56            type = Type.tInt;
57        }
58        right = convert(env, ctx, type, right);
59    }
60
61    /**
62     * Simplify
63     */
64    Expression simplify() {
65        return right;
66    }
67}
68