1 /*****************************************************************************
2 * Copyright 2013 - 2015 Yichao Yu <yyc1992@gmail.com> *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU Lesser General Public License as *
6 * published by the Free Software Foundation; either version 2.1 of the *
7 * License, or (at your option) version 3, or any later version accepted *
8 * by the membership of KDE e.V. (or its successor approved by the *
9 * membership of KDE e.V.), which shall act as a proxy defined in *
10 * Section 6 of version 3 of the license. *
11 * *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
15 * Lesser General Public License for more details. *
16 * *
17 * You should have received a copy of the GNU Lesser General Public *
18 * License along with this library. If not, *
19 * see <http://www.gnu.org/licenses/>. *
20 *****************************************************************************/
21
22 #ifndef _QTC_UTILS_LOG_H_
23 #define _QTC_UTILS_LOG_H_
24
25 #include "utils.h"
26 #include <stdarg.h>
27
28 namespace QtCurve {
29
30 void backtrace();
31 enum class LogLevel {
32 Debug,
33 Info,
34 Warn,
35 Error,
36 Force
37 };
38
39 namespace Log {
40
41 LogLevel level();
42
43 __attribute__((format(printf, 5, 0)))
44 void logv(LogLevel level, const char *fname, int line,
45 const char *func, const char *fmt, va_list ap);
46
47 __attribute__((format(printf, 5, 6)))
48 void log(LogLevel level, const char *fname, int line, const char *func,
49 const char *fmt, ...);
50
51 static inline bool
checkLevel(LogLevel _level)52 checkLevel(LogLevel _level)
53 {
54 return qtcUnlikely(_level <= LogLevel::Force && _level >= level());
55 }
56
57 }
58 }
59
60 #define qtcLog(__level, fmt, args...) \
61 do { \
62 using namespace QtCurve; \
63 LogLevel level = (__level); \
64 if (!Log::checkLevel(level)) { \
65 break; \
66 } \
67 Log::log(level, __FILE__, __LINE__, __FUNCTION__, fmt, ##args); \
68 } while (0)
69
70 #define qtcDebug(fmt, args...) qtcLog(LogLevel::Debug, fmt, ##args)
71 #define qtcInfo(fmt, args...) qtcLog(LogLevel::Info, fmt, ##args)
72 #define qtcWarn(fmt, args...) qtcLog(LogLevel::Warn, fmt, ##args)
73 #define qtcError(fmt, args...) qtcLog(LogLevel::Error, fmt, ##args)
74 #define qtcForceLog(fmt, args...) qtcLog(LogLevel::Force, fmt, ##args)
75
76 #endif
77