1 //===-- LLDBServerUtilities.cpp ---------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "LLDBServerUtilities.h" 11 12 #include "lldb/Core/Log.h" 13 #include "lldb/Core/StreamFile.h" 14 #include "lldb/Core/StreamString.h" 15 #include "lldb/Interpreter/Args.h" 16 17 #include "llvm/ADT/SmallVector.h" 18 #include "llvm/ADT/StringRef.h" 19 20 using namespace lldb; 21 using namespace lldb_private::lldb_server; 22 using namespace llvm; 23 24 bool LLDBServerUtilities::SetupLogging(const std::string &log_file, 25 const StringRef &log_channels, 26 uint32_t log_options) { 27 lldb::StreamSP log_stream_sp; 28 if (log_file.empty()) { 29 log_stream_sp.reset(new StreamFile(stdout, false)); 30 } else { 31 uint32_t options = File::eOpenOptionWrite | File::eOpenOptionCanCreate | 32 File::eOpenOptionCloseOnExec | File::eOpenOptionAppend; 33 if (!(log_options & LLDB_LOG_OPTION_APPEND)) 34 options |= File::eOpenOptionTruncate; 35 36 log_stream_sp.reset(new StreamFile(log_file.c_str(), options)); 37 } 38 39 SmallVector<StringRef, 32> channel_array; 40 log_channels.split(channel_array, ":", /*MaxSplit*/ -1, /*KeepEmpty*/ false); 41 for (auto channel_with_categories : channel_array) { 42 StreamString error_stream; 43 Args channel_then_categories(channel_with_categories); 44 std::string channel(channel_then_categories.GetArgumentAtIndex(0)); 45 channel_then_categories.Shift(); // Shift off the channel 46 47 bool success = Log::EnableLogChannel( 48 log_stream_sp, log_options, channel.c_str(), 49 channel_then_categories.GetConstArgumentVector(), error_stream); 50 if (!success) { 51 fprintf(stderr, "Unable to open log file '%s' for channel \"%s\"\n", 52 log_file.c_str(), channel_with_categories.str().c_str()); 53 return false; 54 } 55 } 56 return true; 57 } 58