1/*
2 * Copyright (C) 2012 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 <stdarg.h>
29#include <stdio.h>
30#include <wtf/PrintStream.h>
31#include <wtf/StdLibExtras.h>
32
33namespace WTF {
34
35WTF_EXPORT_PRIVATE PrintStream& dataFile();
36WTF_EXPORT_PRIVATE void setDataFile(const char* path);
37
38WTF_EXPORT_PRIVATE void dataLogFV(const char* format, va_list) WTF_ATTRIBUTE_PRINTF(1, 0);
39WTF_EXPORT_PRIVATE void dataLogF(const char* format, ...) WTF_ATTRIBUTE_PRINTF(1, 2);
40WTF_EXPORT_PRIVATE void dataLogFString(const char*);
41
42template<typename... Types>
43void dataLog(const Types&... values)
44{
45 dataFile().print(values...);
46}
47
48template<typename... Types>
49void dataLogLn(const Types&... values)
50{
51 dataLog(values..., "\n");
52}
53
54template<typename... Types>
55void dataLogIf(bool shouldLog, const Types&... values)
56{
57 if (shouldLog)
58 dataLog(values...);
59}
60
61template<typename... Types>
62void dataLogLnIf(bool shouldLog, const Types&... values)
63{
64 if (shouldLog)
65 dataLogLn(values...);
66}
67
68} // namespace WTF
69
70using WTF::dataLog;
71using WTF::dataLogLn;
72using WTF::dataLogIf;
73using WTF::dataLogLnIf;
74using WTF::dataLogF;
75using WTF::dataLogFString;
76