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#pragma once
#include <iostream>
#include "spdlog/spdlog.h"
// set to 1 to use for debugging if no loggers can be created
#define LOG_TO_STDERR 0
namespace marian {
void logCallStack(size_t skipLevels);
std::string getCallStack(size_t skipLevels);
// Marian gives a basic exception guarantee. If you catch a
// MarianRuntimeError you must assume that the object can be
// safely destructed, but cannot be used otherwise.
// Internal multi-threading in exception-throwing mode is not
// allowed; and constructing a thread-pool will cause an exception.
class MarianRuntimeException : public std::runtime_error {
private:
std::string callStack_;
public:
MarianRuntimeException(const std::string& message, const std::string& callStack)
: std::runtime_error(message),
callStack_(callStack) {}
const char* getCallStack() const throw() {
return callStack_.c_str();
}
};
// Get the state of throwExceptionOnAbort (see logging.cpp), by default false
bool getThrowExceptionOnAbort();
// Set the state of throwExceptionOnAbort (see logging.cpp)
void setThrowExceptionOnAbort(bool);
}
/**
* Prints logging message into stderr and a file specified with `--log` option.
*
* Example usage: `LOG(info, "[data] Vocab size: {}", vocabSize)`
*
* A good practice is to put `[namespace]` at the beginning of the message.
*
* @param level Logging level: trace, debug, info, warn, error, critical
* @param ... Message text and variables
*/
#define LOG(level, ...) checkedLog("general", #level, __VA_ARGS__)
// variant that prints the log message only upon the first time the call site is executed
#define LOG_ONCE(level, ...) do { \
static bool logged = false; \
if (!logged) \
{ \
logged = true; \
LOG(level, __VA_ARGS__); \
} \
} while(0)
/**
* Prints logging message regarding validation into stderr and a file specified
* with `--valid-log` option.
*
* The message is automatically preceded by "[valid] ".
*
* @see \def LOG(level, ...)
*/
#define LOG_VALID(level, ...) checkedLog("valid", #level, __VA_ARGS__)
// variant that prints the log message only upon the first time the call site is executed
#define LOG_VALID_ONCE(level, ...) do { \
static bool logged = false; \
if (!logged) \
{ \
logged = true; \
LOG_VALID(level, __VA_ARGS__); \
} \
} while(0)
#ifdef __GNUC__
#define FUNCTION_NAME __PRETTY_FUNCTION__
#else
#ifdef _WIN32
#define FUNCTION_NAME __FUNCTION__
#else
#define FUNCTION_NAME "???"
#endif
#endif
/**
* Prints critical error message and causes abnormal program termination by
* calling std::abort().
*
* @param ... Message text and variables
*/
#define ABORT(...) \
do { \
auto logger = spdlog::get("general"); \
if(logger == nullptr) \
logger = createStderrLogger("general", "[%Y-%m-%d %T] Error: %v"); \
else \
logger->set_pattern("[%Y-%m-%d %T] Error: %v"); \
checkedLog("general", "critical", __VA_ARGS__); \
checkedLog("general", "critical", "Aborted from {} in {}:{}", \
FUNCTION_NAME, __FILE__, __LINE__); \
logger->set_pattern("%v"); \
auto callStack = marian::getCallStack(/*skipLevels=*/0); \
checkedLog("general", "critical", callStack); \
if(marian::getThrowExceptionOnAbort()) \
throw marian::MarianRuntimeException(fmt::format(__VA_ARGS__), callStack); \
else \
std::abort(); \
} while(0)
/**
* Prints critical error message and causes abnormal program termination if
* conditions is true.
*
* @param condition Condition expression
* @param ... Message text and variables
*
* @see \def ABORT(...)
*/
#define ABORT_IF(condition, ...) \
do { \
if(condition) { \
ABORT(__VA_ARGS__); \
} \
} while(0)
#define ABORT_UNLESS(condition, ...) \
do { \
if(!(bool)(condition)) { \
ABORT(__VA_ARGS__); \
} \
} while(0)
typedef std::shared_ptr<spdlog::logger> Logger;
Logger createStderrLogger(const std::string&,
const std::string&,
const std::vector<std::string>& = {},
bool quiet = false);
namespace marian {
class Config;
}
template <class... Args>
void checkedLog(std::string logger, std::string level, Args... args) {
#if LOG_TO_STDERR
std::cerr << "[" << level << "] " << fmt::format(args...) << std::endl;
#else
Logger log = spdlog::get(logger);
if(!log) {
return;
}
if(level == "trace")
log->trace(args...);
else if(level == "debug")
log->debug(args...);
else if(level == "info")
log->info(args...);
else if(level == "warn")
log->warn(args...);
else if(level == "error")
log->error(args...);
else if(level == "critical")
log->critical(args...);
else {
log->warn("Unknown log level '{}' for logger '{}'", level, logger);
}
#endif
}
void createLoggers(const marian::Config* options = nullptr);
void switchtoMultinodeLogging(std::string nodeIdStr);
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