1/*
2 * Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "CallVariant.h"
29
30namespace JSC {
31
32class CallEdge {
33public:
34 CallEdge();
35 CallEdge(CallVariant, uint32_t);
36
37 bool operator!() const { return !m_callee; }
38
39 CallVariant callee() const { return m_callee; }
40 uint32_t count() const { return m_count; }
41
42 CallEdge despecifiedClosure() const
43 {
44 return CallEdge(m_callee.despecifiedClosure(), m_count);
45 }
46
47 void dump(PrintStream&) const;
48
49private:
50 CallVariant m_callee;
51 uint32_t m_count;
52};
53
54inline CallEdge::CallEdge(CallVariant callee, uint32_t count)
55 : m_callee(callee)
56 , m_count(count)
57{
58}
59
60inline CallEdge::CallEdge()
61 : CallEdge(CallVariant(), 0)
62{
63}
64
65typedef Vector<CallEdge, 1> CallEdgeList;
66
67} // namespace JSC
68