1/*
2 * Copyright (C) 2014 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#include "config.h"
27#include "ToThisStatus.h"
28
29namespace JSC {
30
31ToThisStatus merge(ToThisStatus a, ToThisStatus b)
32{
33 switch (a) {
34 case ToThisOK:
35 return b;
36 case ToThisConflicted:
37 return ToThisConflicted;
38 case ToThisClearedByGC:
39 if (b == ToThisConflicted)
40 return ToThisConflicted;
41 return ToThisClearedByGC;
42 }
43
44 RELEASE_ASSERT_NOT_REACHED();
45 return ToThisConflicted;
46}
47
48} // namespace JSC
49
50namespace WTF {
51
52using namespace JSC;
53
54void printInternal(PrintStream& out, ToThisStatus status)
55{
56 switch (status) {
57 case ToThisOK:
58 out.print("OK");
59 return;
60 case ToThisConflicted:
61 out.print("Conflicted");
62 return;
63 case ToThisClearedByGC:
64 out.print("ClearedByGC");
65 return;
66 }
67
68 RELEASE_ASSERT_NOT_REACHED();
69}
70
71} // namespace WTF
72
73