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64 lines
2.3 KiB
64 lines
2.3 KiB
4 months ago
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//===-- LLDBServerUtilities.cpp ---------------------------------*- C++ -*-===//
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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 "LLDBServerUtilities.h"
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#include "lldb/Utility/Args.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/StreamString.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/FileSystem.h"
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using namespace lldb;
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using namespace lldb_private::lldb_server;
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using namespace llvm;
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static std::shared_ptr<raw_ostream> GetLogStream(StringRef log_file) {
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if (!log_file.empty()) {
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std::error_code EC;
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std::shared_ptr<raw_ostream> stream_sp = std::make_shared<raw_fd_ostream>(
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log_file, EC, sys::fs::OF_Text | sys::fs::OF_Append);
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if (!EC)
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return stream_sp;
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errs() << llvm::formatv(
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"Failed to open log file `{0}`: {1}\nWill log to stderr instead.\n",
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log_file, EC.message());
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}
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// No need to delete the stderr stream.
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return std::shared_ptr<raw_ostream>(&errs(), [](raw_ostream *) {});
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}
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bool LLDBServerUtilities::SetupLogging(const std::string &log_file,
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const StringRef &log_channels,
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uint32_t log_options) {
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auto log_stream_sp = GetLogStream(log_file);
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SmallVector<StringRef, 32> channel_array;
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log_channels.split(channel_array, ":", /*MaxSplit*/ -1, /*KeepEmpty*/ false);
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for (auto channel_with_categories : channel_array) {
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std::string error;
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llvm::raw_string_ostream error_stream(error);
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Args channel_then_categories(channel_with_categories);
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std::string channel(channel_then_categories.GetArgumentAtIndex(0));
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channel_then_categories.Shift(); // Shift off the channel
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bool success = Log::EnableLogChannel(
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log_stream_sp, log_options, channel,
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channel_then_categories.GetArgumentArrayRef(), error_stream);
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if (!success) {
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errs() << formatv("Unable to setup logging for channel \"{0}\": {1}",
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channel, error_stream.str());
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return false;
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}
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}
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return true;
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}
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