1 files changed, 76 insertions, 0 deletions
diff --git a/include/lldb/Interpreter/CommandHistory.h b/include/lldb/Interpreter/CommandHistory.h
new file mode 100644
index 0000000000000..dbe6e99bb5b12
--- /dev/null
+++ b/include/lldb/Interpreter/CommandHistory.h
@@ -0,0 +1,76 @@
+//===-- CommandHistory.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_CommandHistory_h_
+#define liblldb_CommandHistory_h_
+
+// C Includes
+// C++ Includes
+#include <string>
+#include <vector>
+
+// Other libraries and framework includes
+// Project includes
+
+#include "lldb/lldb-private.h"
+#include "lldb/Core/Stream.h"
+#include "lldb/Host/Mutex.h"
+
+namespace lldb_private {
+    
+class CommandHistory
+{
+public:
+    CommandHistory ();
+    
+    ~CommandHistory ();
+    
+    size_t
+    GetSize () const;
+    
+    bool
+    IsEmpty () const;
+    
+    const char*
+    FindString (const char* input_str) const;
+    
+    const char*
+    GetStringAtIndex (size_t idx) const;
+    
+    const char*
+    operator [] (size_t idx) const;
+    
+    const char*
+    GetRecentmostString () const;
+    
+    void
+    AppendString (const std::string& str,
+                  bool reject_if_dupe = true);
+    
+    void
+    Clear ();
+
+    void
+    Dump (Stream& stream,
+          size_t start_idx = 0,
+          size_t stop_idx = SIZE_MAX) const;
+    
+    static const char g_repeat_char = '!';
+    
+private:
+    DISALLOW_COPY_AND_ASSIGN(CommandHistory);
+    
+    typedef std::vector<std::string> History;
+    mutable Mutex m_mutex;
+    History m_history;
+};
+
+} // namespace lldb_private
+
+#endif  // liblldb_CommandHistory_h_