tools/lldb-mi/MIUtilDebug.cpp

   1 //===-- MIUtilDebug.cpp -----------------------------------------*- 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 //++
  11 // File:                MIUtilDebug.h
  12 //
  13 // Overview:    Terminal setting termios functions.
  14 //
  15 // Environment: Compilers:      Visual C++ 12.
  16 //                                                      gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
  17 //                              Libraries:      See MIReadmetxt.
  18 //
  19 // Copyright:   None.
  20 //--
  21
  22 // Third party headers:
  23 #ifdef _WIN32
  24 #include <Windows.h>
  25 #endif
  26
  27 // In-house headers:
  28 #include "MIUtilDebug.h"
  29 #include "MIDriver.h"
  30 #include "MICmnLog.h"
  31
  32 //++ ------------------------------------------------------------------------------------
  33 // Details:     CMIUtilDebug constructor.
  34 // Type:        Method.
  35 // Args:        None.
  36 // Return:      None.
  37 // Throws:      None.
  38 //--
  39 CMIUtilDebug::CMIUtilDebug( void )
  40 {
  41 }
  42
  43 //++ ------------------------------------------------------------------------------------
  44 // Details:     CMIUtilDebug destructor.
  45 // Type:        Method.
  46 // Args:        None.
  47 // Return:      None.
  48 // Throws:      None.
  49 //--
  50 CMIUtilDebug::~CMIUtilDebug( void )
  51 {
  52 }
  53
  54 //++ ------------------------------------------------------------------------------------
  55 // Details:     Show a dialog to the process/application halts. It gives the opportunity to
  56 //                      attach a debugger.
  57 // Type:        Static method.
  58 // Args:        None.
  59 // Return:      None.
  60 // Throws:      None.
  61 //--
  62 void CMIUtilDebug::ShowDlgWaitForDbgAttach( void )
  63 {
  64         const CMIUtilString strCaption( CMIDriver::Instance().GetAppNameShort() );
  65 #ifdef _WIN32
  66         ::MessageBoxA( NULL, "Attach your debugger now", strCaption.c_str(), MB_OK );
  67 #else
  68         // ToDo: Implement other platform version of an Ok to continue dialog box
  69 #endif // _WIN32
  70 }
  71
  72 //++ ------------------------------------------------------------------------------------
  73 // Details:     Temporarily stall the process/application to give the programmer the
  74 //                      opportunity to attach a debugger. How to use: Put a break in the programmer
  75 //                      where you want to visit, run the application then attach your debugger to the
  76 //                      application. Hit the debugger's pause button and the debugger should should
  77 //                      show this loop. Change the i variable value to break out of the loop and
  78 //                      visit your break point.
  79 // Type:        Static method.
  80 // Args:        None.
  81 // Return:      None.
  82 // Throws:      None.
  83 //--
  84 void CMIUtilDebug::WaitForDbgAttachInfinteLoop( void )
  85 {
  86         MIuint i = 0;
  87         while( i == 0 )
  88         {
  89                 const std::chrono::milliseconds time( 100 );
  90                 std::this_thread::sleep_for( time );
  91         }
  92 }
  93
  94 //---------------------------------------------------------------------------------------
  95 //---------------------------------------------------------------------------------------
  96 //---------------------------------------------------------------------------------------
  97
  98 // Instantiations:
  99 CMICmnLog &     CMIUtilDebugFnTrace::ms_rLog = CMICmnLog::Instance();
 100 MIuint                  CMIUtilDebugFnTrace::ms_fnDepthCnt = 0;
 101
 102 //++ ------------------------------------------------------------------------------------
 103 // Details:     CMIUtilDebugFnTrace constructor.
 104 // Type:        Method.
 105 // Args:        vFnName - (R) The text to insert into the log.
 106 // Return:      None.
 107 // Throws:      None.
 108 //--
 109 CMIUtilDebugFnTrace::CMIUtilDebugFnTrace( const CMIUtilString & vFnName )
 110 :       m_strFnName( vFnName )
 111 {
 112         const CMIUtilString txt( CMIUtilString::Format( "%d>%s", ++ms_fnDepthCnt, m_strFnName.c_str() ) );
 113         ms_rLog.Write( txt, CMICmnLog::eLogVerbosity_FnTrace );
 114 }
 115
 116 //++ ------------------------------------------------------------------------------------
 117 // Details:     CMIUtilDebugFnTrace destructor.
 118 // Type:        Method.
 119 // Args:        None.
 120 // Return:      None.
 121 // Throws:      None.
 122 //--
 123 CMIUtilDebugFnTrace::~CMIUtilDebugFnTrace( void )
 124 {
 125         const CMIUtilString txt( CMIUtilString::Format( "%d<%s", ms_fnDepthCnt--, m_strFnName.c_str() ) );
 126         ms_rLog.Write( txt, CMICmnLog::eLogVerbosity_FnTrace );
 127 }
 128