1 //===-- InputReaderStack.h --------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef liblldb_InputReaderStack_h_
11 #define liblldb_InputReaderStack_h_
12 
13 #include <stack>
14 
15 #include "lldb/lldb-private.h"
16 #include "lldb/Host/Mutex.h"
17 
18 namespace lldb_private {
19 
20 class InputReaderStack
21 {
22 public:
23 
24     InputReaderStack ();
25 
26     ~InputReaderStack ();
27 
28     size_t
29     GetSize () const;
30 
31     void
32     Push (const lldb::InputReaderSP& reader_sp);
33 
34     bool
35     IsEmpty () const;
36 
37     lldb::InputReaderSP
38     Top ();
39 
40     void
41     Pop ();
42 
43     Mutex &
44     GetStackMutex ();
45 
46 protected:
47 
48     std::stack<lldb::InputReaderSP> m_input_readers;
49     mutable Mutex m_input_readers_mutex;
50 
51 private:
52 
53     DISALLOW_COPY_AND_ASSIGN (InputReaderStack);
54 };
55 
56 } // namespace lldb_private
57 
58 #endif // liblldb_InputReaderStack_h_
59