Files
clang-p2996/lldb/tools/lldb-server/LLDBServerUtilities.cpp
Zachary Turner 6f9e690199 Move Log from Core -> Utility.
All references to Host and Core have been removed, so this
class can now safely be lowered into Utility.

Differential Revision: https://reviews.llvm.org/D30559

llvm-svn: 296909
2017-03-03 20:56:28 +00:00

65 lines
2.2 KiB
C++

//===-- LLDBServerUtilities.cpp ---------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "LLDBServerUtilities.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Interpreter/Args.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/StreamString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/FileSystem.h"
using namespace lldb;
using namespace lldb_private::lldb_server;
using namespace llvm;
static std::shared_ptr<raw_ostream> GetLogStream(StringRef log_file) {
if (!log_file.empty()) {
std::error_code EC;
std::shared_ptr<raw_ostream> stream_sp = std::make_shared<raw_fd_ostream>(
log_file, EC, sys::fs::F_Text | sys::fs::F_Append);
if (!EC)
return stream_sp;
errs() << llvm::formatv(
"Failed to open log file `{0}`: {1}\nWill log to stderr instead.\n",
log_file, EC.message());
}
// No need to delete the stderr stream.
return std::shared_ptr<raw_ostream>(&errs(), [](raw_ostream *) {});
}
bool LLDBServerUtilities::SetupLogging(const std::string &log_file,
const StringRef &log_channels,
uint32_t log_options) {
auto log_stream_sp = GetLogStream(log_file);
SmallVector<StringRef, 32> channel_array;
log_channels.split(channel_array, ":", /*MaxSplit*/ -1, /*KeepEmpty*/ false);
for (auto channel_with_categories : channel_array) {
StreamString error_stream;
Args channel_then_categories(channel_with_categories);
std::string channel(channel_then_categories.GetArgumentAtIndex(0));
channel_then_categories.Shift(); // Shift off the channel
bool success = Log::EnableLogChannel(
log_stream_sp, log_options, channel,
channel_then_categories.GetArgumentArrayRef(), error_stream);
if (!success) {
fprintf(stderr, "Unable to open log file '%s' for channel \"%s\"\n",
log_file.c_str(), channel_with_categories.str().c_str());
return false;
}
}
return true;
}