1 files changed, 157 insertions, 0 deletions
diff --git a/include/lldb/Target/StackFrameList.h b/include/lldb/Target/StackFrameList.h
new file mode 100644
index 000000000000..b2689d0391e9
--- /dev/null
+++ b/include/lldb/Target/StackFrameList.h
@@ -0,0 +1,157 @@
+//===-- StackFrameList.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_StackFrameList_h_
+#define liblldb_StackFrameList_h_
+
+// C Includes
+// C++ Includes
+#include <vector>
+
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Host/Mutex.h"
+#include "lldb/Target/StackFrame.h"
+
+namespace lldb_private {
+
+class StackFrameList
+{
+public:
+    //------------------------------------------------------------------
+    // Constructors and Destructors
+    //------------------------------------------------------------------
+    StackFrameList (Thread &thread, 
+                    const lldb::StackFrameListSP &prev_frames_sp,
+                    bool show_inline_frames);
+
+    ~StackFrameList();
+
+    uint32_t
+    GetNumFrames (bool can_create = true);
+    
+    lldb::StackFrameSP
+    GetFrameAtIndex (uint32_t idx);
+
+    lldb::StackFrameSP
+    GetFrameWithConcreteFrameIndex (uint32_t unwind_idx);
+    
+    lldb::StackFrameSP
+    GetFrameWithStackID (const StackID &stack_id);
+
+    // Mark a stack frame as the current frame
+    uint32_t
+    SetSelectedFrame (lldb_private::StackFrame *frame);
+    
+    uint32_t
+    GetSelectedFrameIndex () const;
+
+    // Mark a stack frame as the current frame using the frame index
+    bool
+    SetSelectedFrameByIndex (uint32_t idx);
+    
+    uint32_t
+    GetVisibleStackFrameIndex(uint32_t idx)
+    {
+        if (m_current_inlined_depth < UINT32_MAX)
+            return idx - m_current_inlined_depth;
+        else
+            return idx;
+    }
+    
+    void
+    CalculateCurrentInlinedDepth ();
+    
+    void
+    SetDefaultFileAndLineToSelectedFrame();
+
+    void
+    Clear ();
+
+    void
+    InvalidateFrames (uint32_t start_idx);
+    
+    void
+    Dump (Stream *s);
+    
+    lldb::StackFrameSP
+    GetStackFrameSPForStackFramePtr (StackFrame *stack_frame_ptr);
+
+    size_t
+    GetStatus (Stream &strm,
+               uint32_t first_frame,
+               uint32_t num_frames,
+               bool show_frame_info,
+               uint32_t num_frames_with_source);
+    
+protected:
+
+    friend class Thread;
+
+    bool
+    SetFrameAtIndex (uint32_t idx, lldb::StackFrameSP &frame_sp);
+
+    static void
+    Merge (std::unique_ptr<StackFrameList>& curr_ap,
+           lldb::StackFrameListSP& prev_sp);
+
+    void
+    GetFramesUpTo (uint32_t end_idx);
+    
+    bool
+    GetAllFramesFetched()
+    {
+        return m_concrete_frames_fetched == UINT32_MAX;
+    }
+    
+    void
+    SetAllFramesFetched ()
+    {
+        m_concrete_frames_fetched = UINT32_MAX;
+    }
+    
+    bool
+    DecrementCurrentInlinedDepth ();
+    
+    void
+    ResetCurrentInlinedDepth();
+
+    uint32_t
+    GetCurrentInlinedDepth ();
+    
+    void
+    SetCurrentInlinedDepth (uint32_t new_depth);
+    
+    //------------------------------------------------------------------
+    // Classes that inherit from StackFrameList can see and modify these
+    //------------------------------------------------------------------
+    typedef std::vector<lldb::StackFrameSP> collection;
+    typedef collection::iterator iterator;
+    typedef collection::const_iterator const_iterator;
+
+    Thread &m_thread;
+    lldb::StackFrameListSP m_prev_frames_sp;
+    mutable Mutex m_mutex;
+    collection m_frames;
+    uint32_t m_selected_frame_idx;
+    uint32_t m_concrete_frames_fetched;
+    uint32_t m_current_inlined_depth;
+    lldb::addr_t m_current_inlined_pc;
+    bool m_show_inlined_frames;
+
+private:
+    //------------------------------------------------------------------
+    // For StackFrameList only
+    //------------------------------------------------------------------
+    DISALLOW_COPY_AND_ASSIGN (StackFrameList);
+};
+
+} // namespace lldb_private
+
+#endif  // liblldb_StackFrameList_h_