1/*
2 * Copyright (c) 2009, 2015, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24package com.sun.hotspot.tools.compiler;
25
26import java.io.PrintStream;
27
28/**
29 * An instance of this class represents an uncommon trap associated with a
30 * given bytecode instruction. An uncommon trap is described in terms of its
31 * reason and action to be taken. An instance of this class is always relative
32 * to a specific method and only contains the relevant bytecode instruction
33 * index.
34 */
35class UncommonTrap {
36
37    private int bci;
38    private String reason;
39    private String action;
40    private String bytecode;
41
42    public UncommonTrap(int b, String r, String a, String bc) {
43        bci = b;
44        reason = r;
45        action = a;
46        bytecode = bc;
47    }
48
49    public int getBCI() {
50        return bci;
51    }
52
53    public String getReason() {
54        return reason;
55    }
56
57    public String getAction() {
58        return action;
59    }
60
61    public String getBytecode() {
62        return bytecode;
63    }
64
65    void emit(PrintStream stream, int indent) {
66        for (int i = 0; i < indent; i++) {
67            stream.print(' ');
68        }
69    }
70
71    public void print(PrintStream stream, int indent) {
72        emit(stream, indent);
73        stream.println(this);
74    }
75
76    public String toString() {
77        return "@ " + bci  + " " + getBytecode() + " uncommon trap " + getReason() + " " + getAction();
78    }
79}
80