From 8fdeff25e8cd9e751fac8836c9c3b5fd48944641 Mon Sep 17 00:00:00 2001
From: Jim Ingham <jingham@apple.com>
Date: Tue, 21 Feb 2012 18:22:37 +0000
Subject: [PATCH] Forgot to add two files from the last checkin.

llvm-svn: 151069
---
 lldb/include/lldb/Core/StreamCallback.h | 47 ++++++++++++++++++
 lldb/source/Core/StreamCallback.cpp     | 65 +++++++++++++++++++++++++
 2 files changed, 112 insertions(+)
 create mode 100644 lldb/include/lldb/Core/StreamCallback.h
 create mode 100644 lldb/source/Core/StreamCallback.cpp

diff --git a/lldb/include/lldb/Core/StreamCallback.h b/lldb/include/lldb/Core/StreamCallback.h
new file mode 100644
index 000000000000..bb25e4e4073c
--- /dev/null
+++ b/lldb/include/lldb/Core/StreamCallback.h
@@ -0,0 +1,47 @@
+//===-- StreamCallback.h -----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_StreamCallback_h_
+#define liblldb_StreamCallback_h_
+
+#include <string>
+
+#include "lldb/Core/Stream.h"
+#include "lldb/Core/StreamString.h"
+#include "lldb/Host/Mutex.h"
+
+namespace lldb_private {
+
+class StreamCallback : 
+    public Stream
+{
+public:
+    StreamCallback (lldb::LogOutputCallback callback, void *baton);
+    
+    virtual ~StreamCallback ();
+    
+    virtual void
+    Flush ();
+    
+    virtual int
+    Write (const void *src, size_t src_len);
+    
+    
+private:
+    typedef std::map<lldb::tid_t, StreamString> collection;
+    lldb::LogOutputCallback m_callback;
+    void *m_baton;
+    collection m_accumulated_data;
+    Mutex m_collection_mutex;
+    
+    StreamString &FindStreamForThread(lldb::tid_t cur_tid);
+};
+
+} // namespace lldb_private
+#endif // #ifndef liblldb_StreamCallback_h
diff --git a/lldb/source/Core/StreamCallback.cpp b/lldb/source/Core/StreamCallback.cpp
new file mode 100644
index 000000000000..b6545d5932e6
--- /dev/null
+++ b/lldb/source/Core/StreamCallback.cpp
@@ -0,0 +1,65 @@
+//===-- StreamCallback.cpp -------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdio.h>
+
+#include "lldb/lldb-private.h"
+#include "lldb/Core/Broadcaster.h"
+#include "lldb/Core/Event.h"
+#include "lldb/Core/StreamCallback.h"
+#include "lldb/Host/Host.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+
+StreamCallback::StreamCallback (lldb::LogOutputCallback callback, void *baton) :
+    Stream (0, 4, eByteOrderBig),
+    m_callback (callback),
+    m_baton (baton),
+    m_accumulated_data (),
+    m_collection_mutex ()
+{
+}
+
+StreamCallback::~StreamCallback ()
+{
+}
+
+StreamString &
+StreamCallback::FindStreamForThread(lldb::tid_t cur_tid)
+{
+    Mutex::Locker (m_collection_mutex);
+    collection::iterator iter, end_iter = m_accumulated_data.end();
+    iter = m_accumulated_data.find (cur_tid);
+    if (iter == m_accumulated_data.end())
+    {
+        std::pair<collection::iterator, bool> ret;
+        ret = m_accumulated_data.insert(std::pair<lldb::tid_t,StreamString>(cur_tid, StreamString()));
+        iter = ret.first;
+    }
+    return (*iter).second;
+}
+
+void
+StreamCallback::Flush ()
+{
+    lldb::tid_t cur_tid = Host::GetCurrentThreadID();
+    StreamString &out_stream = FindStreamForThread(cur_tid);
+    m_callback (out_stream.GetData(), m_baton);
+    out_stream.Clear();
+}
+
+int
+StreamCallback::Write (const void *s, size_t length)
+{
+    lldb::tid_t cur_tid = Host::GetCurrentThreadID();
+    FindStreamForThread(cur_tid).Write (s, length);
+    return length;
+}