xref: /freebsd/contrib/llvm-project/lldb/source/Core/StreamAsynchronousIO.cpp (revision 700637cbb5e582861067a11aaca4d053546871d2)
1 //===-- StreamAsynchronousIO.cpp ------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "lldb/Core/StreamAsynchronousIO.h"
10 
11 #include "lldb/Core/Debugger.h"
12 #include "lldb/lldb-enumerations.h"
13 
14 using namespace lldb;
15 using namespace lldb_private;
16 
StreamAsynchronousIO(Debugger & debugger,StreamAsynchronousIO::ForSTDOUT for_stdout)17 StreamAsynchronousIO::StreamAsynchronousIO(
18     Debugger &debugger, StreamAsynchronousIO::ForSTDOUT for_stdout)
19     : Stream(0, 4, eByteOrderBig, debugger.GetUseColor()), m_debugger(debugger),
20       m_data(), m_for_stdout(for_stdout) {}
21 
~StreamAsynchronousIO()22 StreamAsynchronousIO::~StreamAsynchronousIO() {
23   // Flush when we destroy to make sure we display the data.
24   Flush();
25 }
26 
Flush()27 void StreamAsynchronousIO::Flush() {
28   if (!m_data.empty()) {
29     m_debugger.PrintAsync(m_data.data(), m_data.size(), m_for_stdout);
30     m_data.clear();
31   }
32 }
33 
WriteImpl(const void * s,size_t length)34 size_t StreamAsynchronousIO::WriteImpl(const void *s, size_t length) {
35   m_data.append((const char *)s, length);
36   return length;
37 }
38