mirror of
https://github.com/MaskRay/ccls.git
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80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/* Copyright 2017-2018 ccls Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "log.hh"
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#include <llvm/ADT/SmallString.h>
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#include <llvm/Support/Threading.h>
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#include <iomanip>
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#include <mutex>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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namespace ccls::log {
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static std::mutex mtx;
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FILE *file;
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Verbosity verbosity;
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Message::Message(Verbosity verbosity, const char *file, int line)
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: verbosity_(verbosity) {
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using namespace llvm;
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time_t tim = time(NULL);
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struct tm t;
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{
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std::lock_guard<std::mutex> lock(mtx);
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t = *localtime(&tim);
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}
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char buf[16];
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snprintf(buf, sizeof buf, "%02d:%02d:%02d ", t.tm_hour, t.tm_min, t.tm_sec);
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stream_ << buf;
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{
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SmallString<32> Name;
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get_thread_name(Name);
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stream_ << std::left << std::setw(13) << Name.c_str();
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}
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{
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const char *p = strrchr(file, '/');
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if (p)
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file = p + 1;
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stream_ << std::right << std::setw(15) << file << ':' << std::left
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<< std::setw(3) << line;
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}
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stream_ << ' ';
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// clang-format off
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switch (verbosity_) {
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case Verbosity_FATAL: stream_ << 'F'; break;
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case Verbosity_ERROR: stream_ << 'E'; break;
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case Verbosity_WARNING: stream_ << 'W'; break;
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case Verbosity_INFO: stream_ << 'I'; break;
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default: stream_ << "V(" << int(verbosity_) << ')';
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}
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// clang-format on
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stream_ << ' ';
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}
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Message::~Message() {
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if (!file)
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return;
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std::lock_guard<std::mutex> lock(mtx);
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stream_ << '\n';
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fputs(stream_.str().c_str(), file);
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fflush(file);
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if (verbosity_ == Verbosity_FATAL)
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abort();
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}
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} // namespace ccls::log
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