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entering.hh
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
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25 
26 #ifndef MLN_TRACE_ENTERING_HH
27 # define MLN_TRACE_ENTERING_HH
28 
32 
33 # include <string>
34 # include <iostream>
35 # include <stack>
36 # include <ctime>
37 
38 # include <mln/trace/quiet.hh>
39 
40 
41 namespace mln
42 {
43 
44  namespace trace
45  {
46 
47  void entering(const std::string& scope);
48 
49  extern std::stack<std::clock_t> start_times;
50  extern std::stack<std::string> scopes; // For testing purpose
51  // (entering/exiting scope matching).
52 
53 
54 # ifndef MLN_INCLUDE_ONLY
55 
56 # ifndef MLN_WO_GLOBAL_VARS
57 
58  std::stack<std::clock_t> start_times;
59  std::stack<std::string> scopes;
60 
61 # endif // !MLN_WO_GLOBAL_VARS
62 
63  inline
64  void entering(const std::string& scope)
65  {
66  if (quiet)
67  return;
68 
69  start_times.push(std::clock());
70  scopes.push(scope);
71 
72  if ((tab != 0) && (internal::max_tab == tab))
73  std::cout << std::endl;
74 
75  for (unsigned i = 0; i < tab; ++i)
76  std::cout << " ";
77  std::cout << scope << " {";
78 
79  internal::max_tab = ++tab;
80  }
81 
82 # endif // ! MLN_INCLUDE_ONLY
83 
84  } // end of namespace mln::trace
85 
86 } // end of namespace mln
87 
88 
89 #endif // ! MLN_TRACE_ENTERING_HH