1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
#pragma once
#include "Interface.h"
#include <sstream>
// log levels:
// NB: log levels must be preprocessor defines!
#define LOG_LEVEL_SILENT 0
#define LOG_LEVEL_ERROR 1
#define LOG_LEVEL_WARNING 2
#define LOG_LEVEL_INFO 3
#define LOG_LEVEL_DEBUG 4
#define LOG_LEVEL_VERBOSE 5
#ifndef LOG_LEVEL
#define LOG_LEVEL LOG_LEVEL_SILENT
#endif
namespace vst {
void logMessage(int level, const char* msg);
void logMessage(int level, std::string_view msg);
class Log {
public:
Log(int level = LOG_LEVEL_INFO) : level_(level) {}
~Log() {
stream_ << "\n";
logMessage(level_, stream_.str());
}
template<typename T>
Log& operator<<(T&& t) {
stream_ << std::forward<T>(t);
return *this;
}
private:
std::ostringstream stream_;
int level_;
};
// for interprocess logging
struct LogMessage {
struct Header {
int32_t level;
int32_t size;
};
Header header;
char data[1];
};
} // vst
#define DO_LOG(level, x) do { vst::Log(level) << x; } while(false)
#if LOG_LEVEL >= LOG_LEVEL_ERROR
#define LOG_ERROR(x) DO_LOG(LOG_LEVEL_ERROR, x)
#else
#define LOG_ERROR(x)
#endif
#if LOG_LEVEL >= LOG_LEVEL_WARNING
#define LOG_WARNING(x) DO_LOG(LOG_LEVEL_WARNING, x)
#else
#define LOG_WARNING(x)
#endif
#if LOG_LEVEL >= LOG_LEVEL_INFO
#define LOG_INFO(x) DO_LOG(LOG_LEVEL_INFO, x)
#else
#define LOG_INFO(x)
#endif
#if LOG_LEVEL >= LOG_LEVEL_DEBUG
#define LOG_DEBUG(x) DO_LOG(LOG_LEVEL_DEBUG, x)
#else
#define LOG_DEBUG(x)
#endif
#if LOG_LEVEL >= LOG_LEVEL_VERBOSE
#define LEVEL_VERBOSE(x) DO_LOG(LOG_LEVEL_VERBOSE, x)
#else
#define LEVEL_VERBOSE(x)
#endif
|
