lldb/tools/lldb-mi/MICmdCmdData.cpp

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

//++
// File:        MICmdCmdData.cpp
//
// Overview:    CMICmdCmdDataEvaluateExpression     implementation.
//              CMICmdCmdDataDisassemble            implementation.
//              CMICmdCmdDataReadMemoryBytes        implementation.
//              CMICmdCmdDataReadMemory             implementation.
//              CMICmdCmdDataListRegisterNames      implementation.
//              CMICmdCmdDataListRegisterValues     implementation.
//              CMICmdCmdDataListRegisterChanged    implementation.
//              CMICmdCmdDataWriteMemoryBytes       implementation.
//              CMICmdCmdDataWriteMemory            implementation.
//
// Environment: Compilers:  Visual C++ 12.
//                          gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
//              Libraries:  See MIReadmetxt.
//
// Copyright:   None.
//--

// Third Party Headers:
#include "lldb/API/SBThread.h"
#include "lldb/API/SBInstruction.h"
#include "lldb/API/SBInstructionList.h"
#include "lldb/API/SBStream.h"

// In-house headers:
#include "MICmdCmdData.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "MICmnLLDBDebugger.h"
#include "MICmnLLDBDebugSessionInfo.h"
#include "MICmnLLDBProxySBValue.h"
#include "MICmdArgValNumber.h"
#include "MICmdArgValString.h"
#include "MICmdArgValThreadGrp.h"
#include "MICmdArgValOptionLong.h"
#include "MICmdArgValOptionShort.h"
#include "MICmdArgValListOfN.h"
#include "MICmdArgValConsume.h"
#include "MICmnLLDBDebugSessionInfoVarObj.h"
#include "MICmnLLDBUtilSBValue.h"

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataEvaluateExpression constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataEvaluateExpression::CMICmdCmdDataEvaluateExpression(void)
    : m_bExpressionValid(true)
    , m_bEvaluatedExpression(true)
    , m_strValue("??")
    , m_bCompositeVarType(false)
    , m_bFoundInvalidChar(false)
    , m_cExpressionInvalidChar(0x00)
    , m_constStrArgThread("thread")
    , m_constStrArgFrame("frame")
    , m_constStrArgExpr("expr")
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-evaluate-expression";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataEvaluateExpression::CreateSelf;
}

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

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The parses the command line options
//          arguments to extract values for each of those arguments.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataEvaluateExpression::ParseArgs(void)
{
    bool bOk =
        m_setCmdArgs.Add(*(new CMICmdArgValOptionLong(m_constStrArgThread, false, false, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk = bOk &&
          m_setCmdArgs.Add(*(new CMICmdArgValOptionLong(m_constStrArgFrame, false, false, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgExpr, true, true, true, true)));
    return (bOk && ParseValidateCmdOptions());
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataEvaluateExpression::Execute(void)
{
    CMICMDBASE_GETOPTION(pArgExpr, String, m_constStrArgExpr);

    const CMIUtilString &rExpression(pArgExpr->GetValue());
    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
    lldb::SBThread thread = sbProcess.GetSelectedThread();
    m_bExpressionValid = (thread.GetNumFrames() > 0);
    if (!m_bExpressionValid)
        return MIstatus::success;

    lldb::SBFrame frame = thread.GetSelectedFrame();
    lldb::SBValue value = frame.EvaluateExpression(rExpression.c_str());
    if (!value.IsValid())
        value = frame.FindVariable(rExpression.c_str());
    if (!value.IsValid())
    {
        m_bEvaluatedExpression = false;
        return MIstatus::success;
    }
    const CMICmnLLDBUtilSBValue utilValue(value);
    if (!utilValue.HasName())
    {
        if (HaveInvalidCharacterInExpression(rExpression, m_cExpressionInvalidChar))
        {
            m_bFoundInvalidChar = true;
            return MIstatus::success;
        }

        m_strValue = rExpression;
        return MIstatus::success;
    }
    if (rExpression.IsQuoted())
    {
        m_strValue = rExpression.Trim('\"');
        return MIstatus::success;
    }

    MIuint64 nNumber = 0;
    if (CMICmnLLDBProxySBValue::GetValueAsUnsigned(value, nNumber) == MIstatus::success)
    {
        const lldb::ValueType eValueType = value.GetValueType();
        MIunused(eValueType);
        m_strValue = utilValue.GetValue();
        CMIUtilString strCString;
        if (CMICmnLLDBProxySBValue::GetCString(value, strCString))
        {
            m_strValue += CMIUtilString::Format(" '%s'", strCString.c_str());
        }
        return MIstatus::success;
    }

    // Composite type i.e. struct
    m_bCompositeVarType = true;
    const MIuint nChild = value.GetNumChildren();
    for (MIuint i = 0; i < nChild; i++)
    {
        lldb::SBValue member = value.GetChildAtIndex(i);
        const bool bValid = member.IsValid();
        CMIUtilString strType(MIRSRC(IDS_WORD_UNKNOWNTYPE_BRKTS));
        if (bValid)
        {
            const CMIUtilString strValue(
                CMICmnLLDBDebugSessionInfoVarObj::GetValueStringFormatted(member, CMICmnLLDBDebugSessionInfoVarObj::eVarFormat_Natural));
            const char *pTypeName = member.GetName();
            if (pTypeName != nullptr)
                strType = pTypeName;

            // MI print "{variable = 1, variable2 = 3, variable3 = 5}"
            const bool bNoQuotes = true;
            const CMICmnMIValueConst miValueConst(strValue, bNoQuotes);
            const bool bUseSpaces = true;
            const CMICmnMIValueResult miValueResult(strType, miValueConst, bUseSpaces);
            m_miValueTuple.Add(miValueResult, bUseSpaces);
        }
    }

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataEvaluateExpression::Acknowledge(void)
{
    if (m_bExpressionValid)
    {
        if (m_bEvaluatedExpression)
        {
            if (m_bCompositeVarType)
            {
                const CMICmnMIValueConst miValueConst(m_miValueTuple.GetString());
                const CMICmnMIValueResult miValueResult("value", miValueConst);
                const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
                m_miResultRecord = miRecordResult;
                return MIstatus::success;
            }

            if (m_bFoundInvalidChar)
            {
                const CMICmnMIValueConst miValueConst(
                    CMIUtilString::Format("Invalid character '%c' in expression", m_cExpressionInvalidChar));
                const CMICmnMIValueResult miValueResult("msg", miValueConst);
                const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
                m_miResultRecord = miRecordResult;
                return MIstatus::success;
            }

            const CMICmnMIValueConst miValueConst(m_strValue);
            const CMICmnMIValueResult miValueResult("value", miValueConst);
            const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
            m_miResultRecord = miRecordResult;
            return MIstatus::success;
        }

        const CMICmnMIValueConst miValueConst("Could not evaluate expression");
        const CMICmnMIValueResult miValueResult("msg", miValueConst);
        const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
        m_miResultRecord = miRecordResult;
        return MIstatus::success;
    }

    const CMICmnMIValueConst miValueConst("Invalid expression");
    const CMICmnMIValueResult miValueResult("msg", miValueConst);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataEvaluateExpression::CreateSelf(void)
{
    return new CMICmdCmdDataEvaluateExpression();
}

//++ ------------------------------------------------------------------------------------
// Details: Examine the expression string to see if it contains invalid characters.
// Type:    Method.
// Args:    vrExpr          - (R) Expression string given to *this command.
//          vrwInvalidChar  - (W) True = Invalid character found, false = nothing found.
// Return:  bool - True = Invalid character found, false = nothing found.
// Throws:  None.
//--
bool
CMICmdCmdDataEvaluateExpression::HaveInvalidCharacterInExpression(const CMIUtilString &vrExpr, MIchar &vrwInvalidChar)
{
    bool bFoundInvalidCharInExpression = false;
    vrwInvalidChar = 0x00;

    if (vrExpr.at(0) == '\\')
    {
        // Example: Mouse hover over "%5d" expression has \"%5d\" in it
        bFoundInvalidCharInExpression = true;
        vrwInvalidChar = '\\';
    }

    return bFoundInvalidCharInExpression;
}

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataDisassemble constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataDisassemble::CMICmdCmdDataDisassemble(void)
    : m_constStrArgThread("thread")
    , m_constStrArgAddrStart("s")
    , m_constStrArgAddrEnd("e")
    , m_constStrArgConsume("--")
    , m_constStrArgMode("mode")
    , m_miValueList(true)
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-disassemble";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataDisassemble::CreateSelf;
}

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

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The parses the command line options
//          arguments to extract values for each of those arguments.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataDisassemble::ParseArgs(void)
{
    bool bOk =
        m_setCmdArgs.Add(*(new CMICmdArgValOptionLong(m_constStrArgThread, false, true, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk = bOk &&
          m_setCmdArgs.Add(
              *(new CMICmdArgValOptionShort(m_constStrArgAddrStart, true, true, CMICmdArgValListBase::eArgValType_StringQuotedNumber, 1)));
    bOk = bOk &&
          m_setCmdArgs.Add(
              *(new CMICmdArgValOptionShort(m_constStrArgAddrEnd, true, true, CMICmdArgValListBase::eArgValType_StringQuotedNumber, 1)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValConsume(m_constStrArgConsume, true)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValNumber(m_constStrArgMode, true, true)));
    return (bOk && ParseValidateCmdOptions());
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataDisassemble::Execute(void)
{
    CMICMDBASE_GETOPTION(pArgThread, OptionLong, m_constStrArgThread);
    CMICMDBASE_GETOPTION(pArgAddrStart, OptionShort, m_constStrArgAddrStart);
    CMICMDBASE_GETOPTION(pArgAddrEnd, OptionShort, m_constStrArgAddrEnd);
    CMICMDBASE_GETOPTION(pArgMode, Number, m_constStrArgMode);

    // Retrieve the --thread option's thread ID (only 1)
    MIuint64 nThreadId = UINT64_MAX;
    if (pArgThread->GetFound() && !pArgThread->GetExpectedOption<CMICmdArgValNumber, MIuint64>(nThreadId))
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_THREAD_INVALID), m_cmdData.strMiCmd.c_str(), m_constStrArgThread.c_str()));
        return MIstatus::failure;
    }
    CMIUtilString strAddrStart;
    if (!pArgAddrStart->GetExpectedOption<CMICmdArgValString, CMIUtilString>(strAddrStart))
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_DISASM_ADDR_START_INVALID), m_cmdData.strMiCmd.c_str(),
                                       m_constStrArgAddrStart.c_str()));
        return MIstatus::failure;
    }
    MIint64 nAddrStart = 0;
    if (!strAddrStart.ExtractNumber(nAddrStart))
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_DISASM_ADDR_START_INVALID), m_cmdData.strMiCmd.c_str(),
                                       m_constStrArgAddrStart.c_str()));
        return MIstatus::failure;
    }

    CMIUtilString strAddrEnd;
    if (!pArgAddrEnd->GetExpectedOption<CMICmdArgValString, CMIUtilString>(strAddrEnd))
    {
        SetError(
            CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_DISASM_ADDR_END_INVALID), m_cmdData.strMiCmd.c_str(), m_constStrArgAddrEnd.c_str()));
        return MIstatus::failure;
    }
    MIint64 nAddrEnd = 0;
    if (!strAddrEnd.ExtractNumber(nAddrEnd))
    {
        SetError(
            CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_DISASM_ADDR_END_INVALID), m_cmdData.strMiCmd.c_str(), m_constStrArgAddrEnd.c_str()));
        return MIstatus::failure;
    }
    const MIuint nDisasmMode = pArgMode->GetValue();

    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBTarget sbTarget = rSessionInfo.GetTarget();
    lldb::addr_t lldbStartAddr = static_cast<lldb::addr_t>(nAddrStart);
    lldb::SBInstructionList instructions = sbTarget.ReadInstructions(lldb::SBAddress(lldbStartAddr, sbTarget), nAddrEnd - nAddrStart);
    const MIuint nInstructions = instructions.GetSize();
    for (size_t i = 0; i < nInstructions; i++)
    {
        const MIchar *pUnknown = "??";
        lldb::SBInstruction instrt = instructions.GetInstructionAtIndex(i);
        const MIchar *pStrMnemonic = instrt.GetMnemonic(sbTarget);
        pStrMnemonic = (pStrMnemonic != nullptr) ? pStrMnemonic : pUnknown;
        lldb::SBAddress address = instrt.GetAddress();
        lldb::addr_t addr = address.GetLoadAddress(sbTarget);
        const MIchar *pFnName = address.GetFunction().GetName();
        pFnName = (pFnName != nullptr) ? pFnName : pUnknown;
        lldb::addr_t addrOffSet = address.GetOffset();
        const MIchar *pStrOperands = instrt.GetOperands(sbTarget);
        pStrOperands = (pStrOperands != nullptr) ? pStrOperands : pUnknown;

        // MI "{address=\"0x%08llx\",func-name=\"%s\",offset=\"%lld\",inst=\"%s %s\"}"
        const CMICmnMIValueConst miValueConst(CMIUtilString::Format("0x%08llx", addr));
        const CMICmnMIValueResult miValueResult("address", miValueConst);
        CMICmnMIValueTuple miValueTuple(miValueResult);
        const CMICmnMIValueConst miValueConst2(pFnName);
        const CMICmnMIValueResult miValueResult2("func-name", miValueConst2);
        miValueTuple.Add(miValueResult2);
        const CMICmnMIValueConst miValueConst3(CMIUtilString::Format("0x%lld", addrOffSet));
        const CMICmnMIValueResult miValueResult3("offset", miValueConst3);
        miValueTuple.Add(miValueResult3);
        const CMICmnMIValueConst miValueConst4(CMIUtilString::Format("%s %s", pStrMnemonic, pStrOperands));
        const CMICmnMIValueResult miValueResult4("inst", miValueConst4);
        miValueTuple.Add(miValueResult4);

        if (nDisasmMode == 1)
        {
            lldb::SBLineEntry lineEntry = address.GetLineEntry();
            const MIuint nLine = lineEntry.GetLine();
            const MIchar *pFileName = lineEntry.GetFileSpec().GetFilename();
            pFileName = (pFileName != nullptr) ? pFileName : pUnknown;

            // MI "src_and_asm_line={line=\"%u\",file=\"%s\",line_asm_insn=[ ]}"
            const CMICmnMIValueConst miValueConst(CMIUtilString::Format("0x%u", nLine));
            const CMICmnMIValueResult miValueResult("line", miValueConst);
            CMICmnMIValueTuple miValueTuple2(miValueResult);
            const CMICmnMIValueConst miValueConst2(pFileName);
            const CMICmnMIValueResult miValueResult2("file", miValueConst2);
            miValueTuple2.Add(miValueResult2);
            const CMICmnMIValueList miValueList(miValueTuple);
            const CMICmnMIValueResult miValueResult3("line_asm_insn", miValueList);
            miValueTuple2.Add(miValueResult3);
            const CMICmnMIValueResult miValueResult4("src_and_asm_line", miValueTuple2);
            m_miValueList.Add(miValueResult4);
        }
        else
        {
            m_miValueList.Add(miValueTuple);
        }
    }

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataDisassemble::Acknowledge(void)
{
    const CMICmnMIValueResult miValueResult("asm_insns", m_miValueList);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataDisassemble::CreateSelf(void)
{
    return new CMICmdCmdDataDisassemble();
}

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataReadMemoryBytes constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataReadMemoryBytes::CMICmdCmdDataReadMemoryBytes(void)
    : m_constStrArgThread("thread")
    , m_constStrArgByteOffset("o")
    , m_constStrArgAddrStart("address")
    , m_constStrArgNumBytes("count")
    , m_pBufferMemory(nullptr)
    , m_nAddrStart(0)
    , m_nAddrNumBytesToRead(0)
    , m_nAddrOffset(0)
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-read-memory-bytes";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataReadMemoryBytes::CreateSelf;
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataReadMemoryBytes destructor.
// Type:    Overrideable.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataReadMemoryBytes::~CMICmdCmdDataReadMemoryBytes(void)
{
    if (m_pBufferMemory != nullptr)
    {
        delete[] m_pBufferMemory;
        m_pBufferMemory = nullptr;
    }
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The parses the command line options
//          arguments to extract values for each of those arguments.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataReadMemoryBytes::ParseArgs(void)
{
    bool bOk =
        m_setCmdArgs.Add(*(new CMICmdArgValOptionLong(m_constStrArgThread, false, false, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk =
        bOk &&
        m_setCmdArgs.Add(*(new CMICmdArgValOptionShort(m_constStrArgByteOffset, false, true, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValNumber(m_constStrArgAddrStart, true, true)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValNumber(m_constStrArgNumBytes, true, true)));
    return (bOk && ParseValidateCmdOptions());
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataReadMemoryBytes::Execute(void)
{
    CMICMDBASE_GETOPTION(pArgAddrStart, Number, m_constStrArgAddrStart);
    CMICMDBASE_GETOPTION(pArgAddrOffset, Number, m_constStrArgByteOffset);
    CMICMDBASE_GETOPTION(pArgNumBytes, Number, m_constStrArgNumBytes);

    const MIuint64 nAddrStart = pArgAddrStart->GetValue();
    const MIuint64 nAddrNumBytes = pArgNumBytes->GetValue();
    if (pArgAddrOffset->GetFound())
        m_nAddrOffset = pArgAddrOffset->GetValue();

    m_pBufferMemory = new MIuchar[nAddrNumBytes];
    if (m_pBufferMemory == nullptr)
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_MEMORY_ALLOC_FAILURE), m_cmdData.strMiCmd.c_str(), nAddrNumBytes));
        return MIstatus::failure;
    }

    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
    lldb::SBError error;
    const MIuint64 nReadBytes = sbProcess.ReadMemory(static_cast<lldb::addr_t>(nAddrStart), (void *)m_pBufferMemory, nAddrNumBytes, error);
    if (nReadBytes != nAddrNumBytes)
    {
        SetError(
            CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_LLDB_ERR_NOT_READ_WHOLE_BLK), m_cmdData.strMiCmd.c_str(), nAddrNumBytes, nAddrStart));
        return MIstatus::failure;
    }
    if (error.Fail())
    {
        lldb::SBStream err;
        const bool bOk = error.GetDescription(err);
        MIunused(bOk);
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_LLDB_ERR_READ_MEM_BYTES), m_cmdData.strMiCmd.c_str(), nAddrNumBytes, nAddrStart,
                                       err.GetData()));
        return MIstatus::failure;
    }

    m_nAddrStart = nAddrStart;
    m_nAddrNumBytesToRead = nAddrNumBytes;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataReadMemoryBytes::Acknowledge(void)
{
    // MI: memory=[{begin=\"0x%08x\",offset=\"0x%08x\",end=\"0x%08x\",contents=\" \" }]"
    const CMICmnMIValueConst miValueConst(CMIUtilString::Format("0x%08x", m_nAddrStart));
    const CMICmnMIValueResult miValueResult("begin", miValueConst);
    CMICmnMIValueTuple miValueTuple(miValueResult);
    const CMICmnMIValueConst miValueConst2(CMIUtilString::Format("0x%08x", m_nAddrOffset));
    const CMICmnMIValueResult miValueResult2("offset", miValueConst2);
    miValueTuple.Add(miValueResult2);
    const CMICmnMIValueConst miValueConst3(CMIUtilString::Format("0x%08x", m_nAddrStart + m_nAddrNumBytesToRead));
    const CMICmnMIValueResult miValueResult3("end", miValueConst3);
    miValueTuple.Add(miValueResult3);

    // MI: contents=\" \"
    CMIUtilString strContent;
    strContent.reserve((m_nAddrNumBytesToRead << 1) + 1);
    for (MIuint64 i = 0; i < m_nAddrNumBytesToRead; i++)
    {
        strContent += CMIUtilString::Format("%02x", m_pBufferMemory[i]);
    }
    const CMICmnMIValueConst miValueConst4(strContent);
    const CMICmnMIValueResult miValueResult4("contents", miValueConst4);
    miValueTuple.Add(miValueResult4);
    const CMICmnMIValueList miValueList(miValueTuple);
    const CMICmnMIValueResult miValueResult5("memory", miValueList);

    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult5);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataReadMemoryBytes::CreateSelf(void)
{
    return new CMICmdCmdDataReadMemoryBytes();
}

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataReadMemory constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataReadMemory::CMICmdCmdDataReadMemory(void)
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-read-memory";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataReadMemory::CreateSelf;
}

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

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataReadMemory::Execute(void)
{
    // Do nothing - command deprecated use "data-read-memory-bytes" command
    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataReadMemory::Acknowledge(void)
{
    // Command CMICmdCmdSupportListFeatures sends "data-read-memory-bytes" which causes this command not to be called
    const CMICmnMIValueConst miValueConst(MIRSRC(IDS_CMD_ERR_NOT_IMPLEMENTED_DEPRECATED));
    const CMICmnMIValueResult miValueResult("msg", miValueConst);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataReadMemory::CreateSelf(void)
{
    return new CMICmdCmdDataReadMemory();
}

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataListRegisterNames constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataListRegisterNames::CMICmdCmdDataListRegisterNames(void)
    : m_constStrArgThreadGroup("thread-group")
    , m_constStrArgRegNo("regno")
    , m_miValueList(true)
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-list-register-names";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataListRegisterNames::CreateSelf;
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataReadMemoryBytes destructor.
// Type:    Overrideable.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataListRegisterNames::~CMICmdCmdDataListRegisterNames(void)
{
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The parses the command line options
//          arguments to extract values for each of those arguments.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataListRegisterNames::ParseArgs(void)
{
    bool bOk = m_setCmdArgs.Add(
        *(new CMICmdArgValOptionLong(m_constStrArgThreadGroup, false, false, CMICmdArgValListBase::eArgValType_ThreadGrp, 1)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValListOfN(m_constStrArgRegNo, false, false, CMICmdArgValListBase::eArgValType_Number)));
    return (bOk && ParseValidateCmdOptions());
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataListRegisterNames::Execute(void)
{
    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
    if (!sbProcess.IsValid())
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_PROCESS), m_cmdData.strMiCmd.c_str()));
        return MIstatus::failure;
    }

    lldb::SBThread thread = sbProcess.GetSelectedThread();
    lldb::SBFrame frame = thread.GetSelectedFrame();
    lldb::SBValueList registers = frame.GetRegisters();
    const MIuint nRegisters = registers.GetSize();
    for (MIuint i = 0; i < nRegisters; i++)
    {
        lldb::SBValue value = registers.GetValueAtIndex(i);
        const MIuint nRegChildren = value.GetNumChildren();
        for (MIuint j = 0; j < nRegChildren; j++)
        {
            lldb::SBValue value2 = value.GetChildAtIndex(j);
            if (value2.IsValid())
            {
                const CMICmnMIValueConst miValueConst(CMICmnLLDBUtilSBValue(value2).GetName());
                m_miValueList.Add(miValueConst);
            }
        }
    }

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataListRegisterNames::Acknowledge(void)
{
    const CMICmnMIValueResult miValueResult("register-names", m_miValueList);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataListRegisterNames::CreateSelf(void)
{
    return new CMICmdCmdDataListRegisterNames();
}

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataListRegisterValues constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataListRegisterValues::CMICmdCmdDataListRegisterValues(void)
    : m_constStrArgThread("thread")
    , m_constStrArgSkip("skip-unavailable")
    , m_constStrArgFormat("fmt")
    , m_constStrArgRegNo("regno")
    , m_miValueList(true)
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-list-register-values";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataListRegisterValues::CreateSelf;
}

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

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The parses the command line options
//          arguments to extract values for each of those arguments.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataListRegisterValues::ParseArgs(void)
{
    bool bOk =
        m_setCmdArgs.Add(*(new CMICmdArgValOptionLong(m_constStrArgThread, false, false, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValOptionLong(m_constStrArgSkip, false, false)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgFormat, true, true)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValListOfN(m_constStrArgRegNo, false, true, CMICmdArgValListBase::eArgValType_Number)));
    return (bOk && ParseValidateCmdOptions());
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataListRegisterValues::Execute(void)
{
    CMICMDBASE_GETOPTION(pArgFormat, String, m_constStrArgFormat);
    CMICMDBASE_GETOPTION(pArgRegNo, ListOfN, m_constStrArgRegNo);

    const CMIUtilString &rStrFormat(pArgFormat->GetValue());
    if (rStrFormat.length() != 1)
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_FORMAT_TYPE), m_cmdData.strMiCmd.c_str(), rStrFormat.c_str()));
        return MIstatus::failure;
    }
    const CMICmnLLDBDebugSessionInfoVarObj::varFormat_e eFormat = CMICmnLLDBDebugSessionInfoVarObj::GetVarFormatForChar(rStrFormat[0]);
    if (eFormat == CMICmnLLDBDebugSessionInfoVarObj::eVarFormat_Invalid)
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_FORMAT_TYPE), m_cmdData.strMiCmd.c_str(), rStrFormat.c_str()));
        return MIstatus::failure;
    }

    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
    if (!sbProcess.IsValid())
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_PROCESS), m_cmdData.strMiCmd.c_str()));
        return MIstatus::failure;
    }

    const CMICmdArgValListBase::VecArgObjPtr_t &rVecRegNo(pArgRegNo->GetExpectedOptions());
    CMICmdArgValListBase::VecArgObjPtr_t::const_iterator it = rVecRegNo.begin();
    while (it != rVecRegNo.end())
    {
        const CMICmdArgValNumber *pRegNo = static_cast<CMICmdArgValNumber *>(*it);
        const MIuint nReg = pRegNo->GetValue();
        lldb::SBValue regValue = GetRegister(nReg);
        const CMIUtilString strRegValue(CMICmnLLDBDebugSessionInfoVarObj::GetValueStringFormatted(regValue, eFormat));

        const CMICmnMIValueConst miValueConst(CMIUtilString::Format("%u", nReg));
        const CMICmnMIValueResult miValueResult("number", miValueConst);
        CMICmnMIValueTuple miValueTuple(miValueResult);
        const CMICmnMIValueConst miValueConst2(strRegValue);
        const CMICmnMIValueResult miValueResult2("value", miValueConst2);
        miValueTuple.Add(miValueResult2);
        m_miValueList.Add(miValueTuple);

        // Next
        ++it;
    }

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataListRegisterValues::Acknowledge(void)
{
    const CMICmnMIValueResult miValueResult("register-values", m_miValueList);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataListRegisterValues::CreateSelf(void)
{
    return new CMICmdCmdDataListRegisterValues();
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Method.
// Args:    None.
// Return:  lldb::SBValue - LLDB SBValue object.
// Throws:  None.
//--
lldb::SBValue
CMICmdCmdDataListRegisterValues::GetRegister(const MIuint vRegisterIndex) const
{
    lldb::SBThread thread = CMICmnLLDBDebugSessionInfo::Instance().GetProcess().GetSelectedThread();
    lldb::SBFrame frame = thread.GetSelectedFrame();
    lldb::SBValueList registers = frame.GetRegisters();
    const MIuint nRegisters = registers.GetSize();
    for (MIuint i = 0; i < nRegisters; i++)
    {
        lldb::SBValue value = registers.GetValueAtIndex(i);
        const MIuint nRegChildren = value.GetNumChildren();
        if (nRegChildren > 0)
        {
            lldb::SBValue value2 = value.GetChildAtIndex(vRegisterIndex);
            if (value2.IsValid())
            {
                return value2;
            }
        }
    }

    return lldb::SBValue();
}

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataListRegisterChanged constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataListRegisterChanged::CMICmdCmdDataListRegisterChanged(void)
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-list-changed-registers";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataListRegisterChanged::CreateSelf;
}

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

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataListRegisterChanged::Execute(void)
{
    // Do nothing

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataListRegisterChanged::Acknowledge(void)
{
    const CMICmnMIValueConst miValueConst(MIRSRC(IDS_WORD_NOT_IMPLEMENTED));
    const CMICmnMIValueResult miValueResult("msg", miValueConst);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataListRegisterChanged::CreateSelf(void)
{
    return new CMICmdCmdDataListRegisterChanged();
}

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataWriteMemoryBytes constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataWriteMemoryBytes::CMICmdCmdDataWriteMemoryBytes(void)
    : m_constStrArgThread("thread")
    , m_constStrArgAddr("address")
    , m_constStrArgContents("contents")
    , m_constStrArgCount("count")
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-write-memory-bytes";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataWriteMemoryBytes::CreateSelf;
}

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

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The parses the command line options
//          arguments to extract values for each of those arguments.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataWriteMemoryBytes::ParseArgs(void)
{
    bool bOk =
        m_setCmdArgs.Add(*(new CMICmdArgValOptionLong(m_constStrArgThread, false, false, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgAddr, true, true, false, true)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgContents, true, true, true, true)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgCount, false, true, false, true)));
    return (bOk && ParseValidateCmdOptions());
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataWriteMemoryBytes::Execute(void)
{
    // Do nothing - not reproduceable (yet) in Eclipse
    // CMICMDBASE_GETOPTION( pArgOffset, OptionShort, m_constStrArgOffset );
    // CMICMDBASE_GETOPTION( pArgAddr, String, m_constStrArgAddr );
    // CMICMDBASE_GETOPTION( pArgNumber, String, m_constStrArgNumber );
    // CMICMDBASE_GETOPTION( pArgContents, String, m_constStrArgContents );
    //
    // Numbers extracts as string types as they could be hex numbers
    // '&' is not recognised and so has to be removed

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataWriteMemoryBytes::Acknowledge(void)
{
    const CMICmnMIValueConst miValueConst(MIRSRC(IDS_WORD_NOT_IMPLEMENTED));
    const CMICmnMIValueResult miValueResult("msg", miValueConst);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataWriteMemoryBytes::CreateSelf(void)
{
    return new CMICmdCmdDataWriteMemoryBytes();
}

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

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataWriteMemory constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataWriteMemory::CMICmdCmdDataWriteMemory(void)
    : m_constStrArgThread("thread")
    , m_constStrArgOffset("o")
    , m_constStrArgAddr("address")
    , m_constStrArgD("d")
    , m_constStrArgNumber("a number")
    , m_constStrArgContents("contents")
    , m_nAddr(0)
    , m_nCount(0)
    , m_pBufferMemory(nullptr)
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "data-write-memory";

    // Required by the CMICmdFactory when registering *this command
    m_pSelfCreatorFn = &CMICmdCmdDataWriteMemory::CreateSelf;
}

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdDataWriteMemory destructor.
// Type:    Overrideable.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdDataWriteMemory::~CMICmdCmdDataWriteMemory(void)
{
    if (m_pBufferMemory != nullptr)
    {
        delete[] m_pBufferMemory;
        m_pBufferMemory = nullptr;
    }
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The parses the command line options
//          arguments to extract values for each of those arguments.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataWriteMemory::ParseArgs(void)
{
    bool bOk =
        m_setCmdArgs.Add(*(new CMICmdArgValOptionLong(m_constStrArgThread, false, false, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk = bOk &&
          m_setCmdArgs.Add(*(new CMICmdArgValOptionShort(m_constStrArgOffset, false, true, CMICmdArgValListBase::eArgValType_Number, 1)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValNumber(m_constStrArgAddr, true, true)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgD, true, true)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValNumber(m_constStrArgNumber, true, true)));
    bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValNumber(m_constStrArgContents, true, true)));
    return (bOk && ParseValidateCmdOptions());
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataWriteMemory::Execute(void)
{
    CMICMDBASE_GETOPTION(pArgOffset, OptionShort, m_constStrArgOffset);
    CMICMDBASE_GETOPTION(pArgAddr, Number, m_constStrArgAddr);
    CMICMDBASE_GETOPTION(pArgNumber, Number, m_constStrArgNumber);
    CMICMDBASE_GETOPTION(pArgContents, Number, m_constStrArgContents);

    MIuint nAddrOffset = 0;
    if (pArgOffset->GetFound() && !pArgOffset->GetExpectedOption<CMICmdArgValNumber, MIuint>(nAddrOffset))
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ARGS_ERR_VALIDATION_INVALID), m_cmdData.strMiCmd.c_str(), m_constStrArgAddr.c_str()));
        return MIstatus::failure;
    }
    m_nAddr = pArgAddr->GetValue();
    m_nCount = pArgNumber->GetValue();
    const MIuint64 nValue = pArgContents->GetValue();

    m_pBufferMemory = new MIuchar[m_nCount];
    if (m_pBufferMemory == nullptr)
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_MEMORY_ALLOC_FAILURE), m_cmdData.strMiCmd.c_str(), m_nCount));
        return MIstatus::failure;
    }
    *m_pBufferMemory = static_cast<MIchar>(nValue);

    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
    lldb::SBError error;
    lldb::addr_t addr = static_cast<lldb::addr_t>(m_nAddr + nAddrOffset);
    const size_t nBytesWritten = sbProcess.WriteMemory(addr, (const void *)m_pBufferMemory, (size_t)m_nCount, error);
    if (nBytesWritten != static_cast<size_t>(m_nCount))
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_LLDB_ERR_NOT_WRITE_WHOLEBLK), m_cmdData.strMiCmd.c_str(), m_nCount, addr));
        return MIstatus::failure;
    }
    if (error.Fail())
    {
        lldb::SBStream err;
        const bool bOk = error.GetDescription(err);
        MIunused(bOk);
        SetError(
            CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_LLDB_ERR_WRITE_MEM_BYTES), m_cmdData.strMiCmd.c_str(), m_nCount, addr, err.GetData()));
        return MIstatus::failure;
    }

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdDataWriteMemory::Acknowledge(void)
{
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
//          calls this function to create an instance of *this command.
// Type:    Static method.
// Args:    None.
// Return:  CMICmdBase * - Pointer to a new command.
// Throws:  None.
//--
CMICmdBase *
CMICmdCmdDataWriteMemory::CreateSelf(void)
{
    return new CMICmdCmdDataWriteMemory();
}