llvm-project/lldb/tools/lldb-mi/MIUtilDebug.cpp

//===-- MIUtilDebug.cpp -----------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

//++
// File:        MIUtilDebug.h
//
// Overview:    Terminal setting termios functions.
//
// Environment: Compilers:  Visual C++ 12.
//                          gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
//              Libraries:  See MIReadmetxt.
//
// Copyright:   None.
//--

// Third party headers:
#ifdef _WIN32
#include <Windows.h>
#endif

// In-house headers:
#include "MIUtilDebug.h"
#include "MIDriver.h"
#include "MICmnLog.h"

//++ ------------------------------------------------------------------------------------
// Details: CMIUtilDebug constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMIUtilDebug::CMIUtilDebug(void)
{
}

//++ ------------------------------------------------------------------------------------
// Details: CMIUtilDebug destructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMIUtilDebug::~CMIUtilDebug(void)
{
}

//++ ------------------------------------------------------------------------------------
// Details: Show a dialog to the process/application halts. It gives the opportunity to
//          attach a debugger.
// Type:    Static method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
void
CMIUtilDebug::ShowDlgWaitForDbgAttach(void)
{
    const CMIUtilString strCaption(CMIDriver::Instance().GetAppNameShort());
#ifdef _WIN32
    ::MessageBoxA(NULL, "Attach your debugger now", strCaption.c_str(), MB_OK);
#else
// ToDo: Implement other platform version of an Ok to continue dialog box
#endif // _WIN32
}

//++ ------------------------------------------------------------------------------------
// Details: Temporarily stall the process/application to give the programmer the
//          opportunity to attach a debugger. How to use: Put a break in the programmer
//          where you want to visit, run the application then attach your debugger to the
//          application. Hit the debugger's pause button and the debugger should should
//          show this loop. Change the i variable value to break out of the loop and
//          visit your break point.
// Type:    Static method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
void
CMIUtilDebug::WaitForDbgAttachInfinteLoop(void)
{
    MIuint i = 0;
    while (i == 0)
    {
        const std::chrono::milliseconds time(100);
        std::this_thread::sleep_for(time);
    }
}

//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------

// Instantiations:
CMICmnLog &CMIUtilDebugFnTrace::ms_rLog = CMICmnLog::Instance();
MIuint CMIUtilDebugFnTrace::ms_fnDepthCnt = 0;

//++ ------------------------------------------------------------------------------------
// Details: CMIUtilDebugFnTrace constructor.
// Type:    Method.
// Args:    vFnName - (R) The text to insert into the log.
// Return:  None.
// Throws:  None.
//--
CMIUtilDebugFnTrace::CMIUtilDebugFnTrace(const CMIUtilString &vFnName)
    : m_strFnName(vFnName)
{
    const CMIUtilString txt(CMIUtilString::Format("%d>%s", ++ms_fnDepthCnt, m_strFnName.c_str()));
    ms_rLog.Write(txt, CMICmnLog::eLogVerbosity_FnTrace);
}

//++ ------------------------------------------------------------------------------------
// Details: CMIUtilDebugFnTrace destructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMIUtilDebugFnTrace::~CMIUtilDebugFnTrace(void)
{
    const CMIUtilString txt(CMIUtilString::Format("%d<%s", ms_fnDepthCnt--, m_strFnName.c_str()));
    ms_rLog.Write(txt, CMICmnLog::eLogVerbosity_FnTrace);
}