path: root/tools/lldb-mi/MICmdCmdSupportInfo.cpp

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

// Overview:    CMICmdCmdSupportInfoMiCmdQuery          implementation.

// In-house headers:
#include "MICmdCmdSupportInfo.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "MICmnMIValueTuple.h"
#include "MICmdArgValString.h"
#include "MICmdFactory.h"

//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdSupportInfoMiCmdQuery constructor.
// Type:    Method.
// Args:    None.
// Return:  None.
// Throws:  None.
//--
CMICmdCmdSupportInfoMiCmdQuery::CMICmdCmdSupportInfoMiCmdQuery()
    : m_bCmdFound(false)
    , m_constStrArgCmdName("cmd_name")
{
    // Command factory matches this name with that received from the stdin stream
    m_strMiCmd = "info-gdb-mi-command";

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

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

//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdSupportInfoMiCmdQuery::ParseArgs()
{
    m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgCmdName, true, true));
    return 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
CMICmdCmdSupportInfoMiCmdQuery::Execute()
{
    CMICMDBASE_GETOPTION(pArgNamedCmdName, String, m_constStrArgCmdName);
    const CMIUtilString &rCmdToQuery(pArgNamedCmdName->GetValue());
    const MIuint nLen = rCmdToQuery.length();
    const CMICmdFactory &rCmdFactory = CMICmdFactory::Instance();
    if ((nLen > 1) && (rCmdToQuery[0] == '-'))
        m_bCmdFound = rCmdFactory.CmdExist(rCmdToQuery.substr(1, nLen - 1).c_str());
    else
        m_bCmdFound = rCmdFactory.CmdExist(rCmdToQuery);

    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
CMICmdCmdSupportInfoMiCmdQuery::Acknowledge()
{
    const CMICmnMIValueConst miValueConst(m_bCmdFound ? "true" : "false");
    const CMICmnMIValueResult miValueResult("exists", miValueConst);
    const CMICmnMIValueTuple miValueTuple(miValueResult);
    const CMICmnMIValueResult miValueResult2("command", miValueTuple);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResult2);
    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 *
CMICmdCmdSupportInfoMiCmdQuery::CreateSelf()
{
    return new CMICmdCmdSupportInfoMiCmdQuery();
}