Initial checkin of lldb code from internal Apple repo.


git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/API/SBSymbolContext.cpp b/source/API/SBSymbolContext.cpp
new file mode 100644
index 0000000..dec8529
--- /dev/null
+++ b/source/API/SBSymbolContext.cpp
@@ -0,0 +1,133 @@
+//===-- SBSymbolContext.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/API/SBSymbolContext.h"
+#include "lldb/Symbol/SymbolContext.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+
+
+SBSymbolContext::SBSymbolContext () :
+    m_lldb_object_ap ()
+{
+}
+
+SBSymbolContext::SBSymbolContext (const SymbolContext *sc_ptr) :
+    m_lldb_object_ap ()
+{
+    if (sc_ptr)
+        m_lldb_object_ap.reset (new SymbolContext (*sc_ptr));
+}
+
+SBSymbolContext::SBSymbolContext (const SBSymbolContext& rhs) :
+    m_lldb_object_ap ()
+{
+    if (rhs.IsValid())
+        *m_lldb_object_ap = *rhs.m_lldb_object_ap;
+}
+
+SBSymbolContext::~SBSymbolContext ()
+{
+}
+
+const SBSymbolContext &
+SBSymbolContext::operator = (const SBSymbolContext &rhs)
+{
+    if (this != &rhs)
+    {
+        if (rhs.IsValid())
+            m_lldb_object_ap.reset (new lldb_private::SymbolContext(*rhs.m_lldb_object_ap.get()));
+    }
+    return *this;
+}
+
+void
+SBSymbolContext::SetSymbolContext (const SymbolContext *sc_ptr)
+{
+    if (sc_ptr)
+    {
+        if (m_lldb_object_ap.get())
+            *m_lldb_object_ap = *sc_ptr;
+        else
+            m_lldb_object_ap.reset (new SymbolContext (*sc_ptr));
+    }
+    else
+    {
+        if (m_lldb_object_ap.get())
+            m_lldb_object_ap->Clear();
+    }
+}
+
+bool
+SBSymbolContext::IsValid () const
+{
+    return m_lldb_object_ap.get() != NULL;
+}
+
+
+
+SBModule
+SBSymbolContext::GetModule ()
+{
+    SBModule sb_module;
+    if (m_lldb_object_ap.get())
+        sb_module.SetModule(m_lldb_object_ap->module_sp);
+    return sb_module;
+}
+
+SBCompileUnit
+SBSymbolContext::GetCompileUnit ()
+{
+    return SBCompileUnit (m_lldb_object_ap.get() ? m_lldb_object_ap->comp_unit : NULL);
+}
+
+SBFunction
+SBSymbolContext::GetFunction ()
+{
+    return SBFunction (m_lldb_object_ap.get() ? m_lldb_object_ap->function : NULL);
+}
+
+SBBlock
+SBSymbolContext::GetBlock ()
+{
+    return SBBlock (m_lldb_object_ap.get() ? m_lldb_object_ap->block : NULL);
+}
+
+SBLineEntry
+SBSymbolContext::GetLineEntry ()
+{
+    SBLineEntry sb_line_entry;
+    if (m_lldb_object_ap.get())
+        sb_line_entry.SetLineEntry (m_lldb_object_ap->line_entry);
+
+    return sb_line_entry;
+}
+
+SBSymbol
+SBSymbolContext::GetSymbol ()
+{
+    return SBSymbol (m_lldb_object_ap.get() ? m_lldb_object_ap->symbol : NULL);
+}
+
+lldb_private::SymbolContext*
+SBSymbolContext::operator->() const
+{
+    return m_lldb_object_ap.get();
+}
+
+lldb_private::SymbolContext *
+SBSymbolContext::GetLLDBObjectPtr() const
+{
+    return m_lldb_object_ap.get();
+}
+
+
+