mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 07:06:11 -04:00
Alexey Polyudov
2155b3ddeb
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I9850950db8bd84f0904ea1a413151887f52098cf
66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
#ifndef PLATFORM_BASE_LOGGING_H_
|
|
#define PLATFORM_BASE_LOGGING_H_
|
|
|
|
#include "platform/api/log_message.h"
|
|
#include "platform/api/platform.h"
|
|
|
|
namespace location {
|
|
namespace nearby {
|
|
|
|
// This class is used to explicitly ignore values in the conditional
|
|
// logging macros. This avoids compiler warnings like "value computed
|
|
// is not used" and "statement has no effect".
|
|
class LogMessageVoidify {
|
|
public:
|
|
LogMessageVoidify() = default;
|
|
// This has to be an operator with a precedence lower than << but
|
|
// higher than ?:
|
|
void operator&(std::ostream&) {}
|
|
};
|
|
|
|
} // namespace nearby
|
|
} // namespace location
|
|
|
|
// Severity enum conversion
|
|
#define NEARBY_SEVERITY_INFO location::nearby::api::LogMessage::Severity::kInfo
|
|
#define NEARBY_SEVERITY_WARNING \
|
|
location::nearby::api::LogMessage::Severity::kWarning
|
|
#define NEARBY_SEVERITY_ERROR \
|
|
location::nearby::api::LogMessage::Severity::kError
|
|
#define NEARBY_SEVERITY_FATAL \
|
|
location::nearby::api::LogMessage::Severity::kFatal
|
|
#if defined(_WIN32)
|
|
// wingdi.h defines ERROR to be 0. When we call LOG(ERROR), it gets substituted
|
|
// with 0, and it expands to NEARBY_SEVERITY_0. To allow us to keep using this
|
|
// syntax, we define this macro to do the same thing as NEARBY_SEVERITY_ERROR.
|
|
#define NEARBY_SEVERITY_0 location::nearby::api::LogMessage::Severity::kError
|
|
#endif // defined(_WIN32)
|
|
#define NEARBY_SEVERITY(severity) NEARBY_SEVERITY_##severity
|
|
|
|
// Log enabling
|
|
#define NEARBY_LOG_IS_ON(severity) \
|
|
location::nearby::api::LogMessage::ShouldCreateLogMessage( \
|
|
NEARBY_SEVERITY(severity))
|
|
|
|
#define NEARBY_LOG_SET_SEVERITY(severity) \
|
|
location::nearby::api::LogMessage::SetMinLogSeverity( \
|
|
NEARBY_SEVERITY(severity))
|
|
|
|
// Log message creation
|
|
#define NEARBY_LOG_MESSAGE(severity) \
|
|
location::nearby::api::ImplementationPlatform::CreateLogMessage( \
|
|
__FILE__, __LINE__, NEARBY_SEVERITY(severity))
|
|
|
|
// Public APIs
|
|
// The stream statement must come last or otherwise it won't compile.
|
|
#define NEARBY_LOGS(severity) \
|
|
!(NEARBY_LOG_IS_ON(severity)) ? (void)0 \
|
|
: location::nearby::LogMessageVoidify() & \
|
|
NEARBY_LOG_MESSAGE(severity)->Stream()
|
|
|
|
#define NEARBY_LOG(severity, ...) \
|
|
NEARBY_LOG_IS_ON(severity) \
|
|
? NEARBY_LOG_MESSAGE(severity)->Print(__VA_ARGS__) : (void)0
|
|
|
|
#endif // PLATFORM_BASE_LOGGING_H_
|