mirror of
https://github.com/wpilibsuite/allwpilib
synced 2026-06-20 00:51:42 +00:00
85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2015. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#ifndef WPIUTIL_SUPPORT_LOGGER_H_
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#define WPIUTIL_SUPPORT_LOGGER_H_
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#include <functional>
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#include "llvm/raw_ostream.h"
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#include "llvm/SmallString.h"
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namespace wpi {
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enum LogLevel {
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WPI_LOG_CRITICAL = 50,
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WPI_LOG_ERROR = 40,
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WPI_LOG_WARNING = 30,
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WPI_LOG_INFO = 20,
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WPI_LOG_DEBUG = 10,
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WPI_LOG_DEBUG1 = 9,
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WPI_LOG_DEBUG2 = 8,
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WPI_LOG_DEBUG3 = 7,
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WPI_LOG_DEBUG4 = 6
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};
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class Logger {
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public:
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typedef std::function<void(unsigned int level, const char* file,
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unsigned int line, const char* msg)> LogFunc;
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void SetLogger(LogFunc func) { m_func = func; }
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void set_min_level(unsigned int level) { m_min_level = level; }
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unsigned int min_level() const { return m_min_level; }
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void Log(unsigned int level, const char* file, unsigned int line,
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const char* msg) {
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if (!m_func || level < m_min_level) return;
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m_func(level, file, line, msg);
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}
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bool HasLogger() const { return m_func != nullptr; }
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private:
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LogFunc m_func;
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unsigned int m_min_level = 20;
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};
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#define WPI_LOG(logger_inst, level, x) \
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do { \
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::wpi::Logger& WPI_logger_ = logger_inst; \
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if (WPI_logger_.min_level() <= level && WPI_logger_.HasLogger()) { \
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llvm::SmallString<128> log_buf_; \
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llvm::raw_svector_ostream log_os_{log_buf_}; \
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log_os_ << x; \
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WPI_logger_.Log(level, __FILE__, __LINE__, log_buf_.c_str()); \
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} \
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} while (0)
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#define WPI_ERROR(inst, x) WPI_LOG(inst, ::wpi::WPI_LOG_ERROR, x)
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#define WPI_WARNING(inst, x) WPI_LOG(inst, ::wpi::WPI_LOG_WARNING, x)
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#define WPI_INFO(inst, x) WPI_LOG(inst, ::wpi::WPI_LOG_INFO, x)
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#ifdef NDEBUG
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#define WPI_DEBUG(inst, x) do {} while (0)
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#define WPI_DEBUG1(inst, x) do {} while (0)
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#define WPI_DEBUG2(inst, x) do {} while (0)
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#define WPI_DEBUG3(inst, x) do {} while (0)
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#define WPI_DEBUG4(inst, x) do {} while (0)
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#else
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#define WPI_DEBUG(inst, x) WPI_LOG(inst, ::wpi::WPI_LOG_DEBUG, x)
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#define WPI_DEBUG1(inst, x) WPI_LOG(inst, ::wpi::WPI_LOG_DEBUG1, x)
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#define WPI_DEBUG2(inst, x) WPI_LOG(inst, ::wpi::WPI_LOG_DEBUG2, x)
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#define WPI_DEBUG3(inst, x) WPI_LOG(inst, ::wpi::WPI_LOG_DEBUG3, x)
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#define WPI_DEBUG4(inst, x) WPI_LOG(inst, ::wpi::WPI_LOG_DEBUG4, x)
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#endif
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} // namespace wpi
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#endif // WPIUTIL_SUPPORT_LOGGER_H_
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