1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
//===--- Logger.cpp - Logger interface for clangd -------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "support/Logger.h"
#include "support/Trace.h"
#include "llvm/Support/Chrono.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/raw_ostream.h"
#include <mutex>
namespace clang {
namespace clangd {
namespace {
Logger *L = nullptr;
} // namespace
LoggingSession::LoggingSession(clangd::Logger &Instance) {
assert(!L);
L = &Instance;
}
LoggingSession::~LoggingSession() { L = nullptr; }
void detail::logImpl(Logger::Level Level, const char *Fmt,
const llvm::formatv_object_base &Message) {
if (L)
L->log(Level, Fmt, Message);
else {
static std::mutex Mu;
std::lock_guard<std::mutex> Guard(Mu);
llvm::errs() << Message << "\n";
}
}
const char *detail::debugType(const char *Filename) {
if (const char *Slash = strrchr(Filename, '/'))
return Slash + 1;
if (const char *Backslash = strrchr(Filename, '\\'))
return Backslash + 1;
return Filename;
}
void StreamLogger::log(Logger::Level Level, const char *Fmt,
const llvm::formatv_object_base &Message) {
if (Level < MinLevel)
return;
llvm::sys::TimePoint<> Timestamp = std::chrono::system_clock::now();
trace::log(Message);
std::lock_guard<std::mutex> Guard(StreamMutex);
Logs << llvm::formatv("{0}[{1:%H:%M:%S.%L}] {2}\n", indicator(Level),
Timestamp, Message);
Logs.flush();
}
namespace {
// Like llvm::StringError but with fewer options and no gratuitous copies.
class SimpleStringError : public llvm::ErrorInfo<SimpleStringError> {
std::error_code EC;
std::string Message;
public:
SimpleStringError(std::error_code EC, std::string &&Message)
: EC(EC), Message(std::move(Message)) {}
void log(llvm::raw_ostream &OS) const override { OS << Message; }
std::string message() const override { return Message; }
std::error_code convertToErrorCode() const override { return EC; }
static char ID;
};
char SimpleStringError::ID;
} // namespace
llvm::Error detail::error(std::error_code EC, std::string &&Msg) {
return llvm::make_error<SimpleStringError>(EC, std::move(Msg));
}
} // namespace clangd
} // namespace clang
|
