Add new Queue, QueueItem, Queuelist, SBQueue, SBQueueItem classes to represent

libdispatch aka Grand Central Dispatch (GCD) queues.  Still fleshing out the
documentation and testing of these but the overall API is settling down so it's
a good time to check it in.
<rdar://problem/15600370> 

llvm-svn: 197190

1 files changed, 119 insertions, 0 deletions

diff --git a/lldb/source/API/SBQueueItem.cpp b/lldb/source/API/SBQueueItem.cpp
new file mode 100644
index 00000000000..b68c40b3e02
--- /dev/null
+++ b/lldb/source/API/SBQueueItem.cpp
@@ -0,0 +1,119 @@
+//===-- SBQueueItem.cpp -----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/lldb-python.h"
+#include "lldb/lldb-forward.h"
+
+#include "lldb/API/SBAddress.h"
+#include "lldb/API/SBQueueItem.h"
+#include "lldb/API/SBThread.h"
+#include "lldb/Core/Address.h"
+#include "lldb/Target/QueueItem.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// Constructors
+//----------------------------------------------------------------------
+SBQueueItem::SBQueueItem () :
+    m_queue_item_sp()
+{
+}
+
+SBQueueItem::SBQueueItem (const QueueItemSP& queue_item_sp) :
+    m_queue_item_sp (queue_item_sp)
+{
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+SBQueueItem::~SBQueueItem()
+{
+    m_queue_item_sp.reset();
+}
+
+bool
+SBQueueItem::IsValid() const
+{
+    return m_queue_item_sp.get() != NULL;
+}
+
+
+void
+SBQueueItem::Clear ()
+{
+    m_queue_item_sp.reset();
+}
+
+
+void
+SBQueueItem::SetQueueItem (const QueueItemSP& queue_item_sp)
+{
+    m_queue_item_sp = queue_item_sp;
+}
+
+
+lldb::QueueItemKind
+SBQueueItem::GetKind () const
+{
+    QueueItemKind result = eQueueItemKindUnknown;
+    if (m_queue_item_sp)
+    {
+        result = m_queue_item_sp->GetKind ();
+    }
+    return result;
+}
+
+void
+SBQueueItem::SetKind (lldb::QueueItemKind kind)
+{
+    if (m_queue_item_sp)
+    {
+        m_queue_item_sp->SetKind (kind);
+    }
+}
+
+SBAddress
+SBQueueItem::GetAddress () const
+{
+    SBAddress result;
+    if (m_queue_item_sp)
+    {
+        result.SetAddress (&m_queue_item_sp->GetAddress());
+    }
+    return result;
+}
+
+void
+SBQueueItem::SetAddress (SBAddress addr)
+{
+    if (m_queue_item_sp)
+    {
+        m_queue_item_sp->SetAddress (addr.ref());
+    }
+}
+
+SBThread
+SBQueueItem::GetExtendedBacktraceThread (const char *type)
+{
+    SBThread result;
+    if (m_queue_item_sp)
+    {
+        ThreadSP thread_sp;
+        ConstString type_const (type);
+        thread_sp = m_queue_item_sp->GetExtendedBacktraceThread (type_const);
+        if (thread_sp)
+        {
+            result.SetThread (thread_sp);
+        }
+    }
+    return result;
+}