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//===--- Logging.cpp ------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "SourceKit/Support/Logging.h"
#include "SourceKit/Support/UIdent.h"
#include "llvm/Config/config.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Support/Timer.h"
#if HAVE_PTHREAD_H
#include <pthread.h>
#endif
#if __APPLE__
#include <asl.h>
#endif
using namespace SourceKit;
static llvm::sys::Mutex LoggingMutex;
std::string Logger::LoggerName;
Logger::Level Logger::LoggingLevel = Logger::Level::None;
Logger &Logger::operator<<(UIdent UID) {
*this << UID.getName();
return *this;
}
Logger &Logger::operator<<(const llvm::format_object_base &Fmt) {
LogOS << Fmt;
return *this;
}
Logger::~Logger() {
llvm::sys::ScopedLock L(LoggingMutex);
static llvm::TimeRecord sBeginTR = llvm::TimeRecord::getCurrentTime();
SmallString<64> LogMsg;
llvm::raw_svector_ostream LogMsgOS(LogMsg);
raw_ostream &OS = LogMsgOS;
OS << '[' << int(CurrLevel) << ':' << Name << ':';
// FIXME: Portability.
#if HAVE_PTHREAD_H && __APPLE__
mach_port_t tid = pthread_mach_thread_np(pthread_self());
OS << tid << ':';
#endif
llvm::TimeRecord TR = llvm::TimeRecord::getCurrentTime();
OS << llvm::format("%7.4f] ", TR.getWallTime() - sBeginTR.getWallTime());
OS << Msg.str();
fprintf(stderr, "%s: %s\n", LoggerName.c_str(), LogMsg.c_str());
#if __APPLE__
// rdar://121076739
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
// Use the Apple System Log facility.
aslclient asl = asl_open(LoggerName.c_str(), "com.apple.console",
ASL_OPT_NO_DELAY);
aslmsg msg = asl_new(ASL_TYPE_MSG);
static const char *levstr[] = {"0", "1", "2", "3", "4", "5", "6", "7"};
asl_set(msg, ASL_KEY_LEVEL, levstr[int(CurrLevel)]);
asl_set(msg, ASL_KEY_MSG, LogMsg.c_str());
asl_send(asl, msg);
asl_free(msg);
asl_close(asl);
#pragma clang diagnostic pop
#endif
}
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