8d57635c59
Adjusting logs in a few ways:
* The `DAP_LOG` and `DAP_LOG_ERROR` macros now include the file/line of
the log statement.
* Added support for creating a log with a prefix. This simplifies how we
create logs for the `lldb_dap::DAP` instance and `lldb_dap::Transport`
instance, allowing us to not have to pass the client name around as
much.
* Updated logging usage to take the `lldb_dap::Log` as a reference but
it now defaults to `llvm::raw_null_stream` if not configured. This
ensures more uniform access to the logger, even if its not written
anywhere.
The logs now look like:
```
1764896564.038788080 (stdio) --> {"command":"initialize","arguments":{...},"type":"request","seq":1}
1764896564.039064884 DAP.cpp:1007 (stdio) queued (command=initialize seq=1)
1764896564.039768934 (stdio) <-- {"body":{...},"command":"initialize","request_seq":1,"seq":1,"success":true,"type":"response"}
```
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
//===-- DAPLog.cpp --------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "DAPLog.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Chrono.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/raw_ostream.h"
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#include <chrono>
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#include <mutex>
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using namespace llvm;
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namespace lldb_dap {
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void Log::Emit(StringRef message) { Emit(message, "", 0); }
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void Log::Emit(StringRef message, StringRef file, size_t line) {
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std::lock_guard<Log::Mutex> lock(m_mutex);
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const llvm::sys::TimePoint<> time = std::chrono::system_clock::now();
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m_stream << formatv("[{0:%H:%M:%S.%L}]", time) << " ";
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if (!file.empty())
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m_stream << sys::path::filename(file) << ":" << line << " ";
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if (!m_prefix.empty())
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m_stream << m_prefix;
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m_stream << message << "\n";
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m_stream.flush();
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}
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} // namespace lldb_dap
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