File: MICmdCmdSupportInfo.cpp

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

//++
// File:		MICmdCmdSupportListInfo.cpp
//
// Overview:	CMICmdCmdSupportInfoMiCmdQuery			implementation.
//
// Environment:	Compilers:	Visual C++ 12.
//							gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
//				Libraries:	See MIReadmetxt. 
//
// Copyright:	None.
//--

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

//++ ------------------------------------------------------------------------------------
// Details:	CMICmdCmdSupportInfoMiCmdQuery constructor.
// Type:	Method.
// Args:	None.
// Return:	None.
// Throws:	None.
//--
CMICmdCmdSupportInfoMiCmdQuery::CMICmdCmdSupportInfoMiCmdQuery( void )
:	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( 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 CMICmdCmdSupportInfoMiCmdQuery::ParseArgs( void )
{
	bool bOk = m_setCmdArgs.Add( *(new CMICmdArgValString( m_constStrArgCmdName, true, true ) ) );
	CMICmdArgContext argCntxt( m_cmdData.strMiCmdOption );
	if( bOk && !m_setCmdArgs.Validate( m_cmdData.strMiCmd, argCntxt ) )
	{
		SetError( CMIUtilString::Format( MIRSRC( IDS_CMD_ERR_ARGS ), m_cmdData.strMiCmd.c_str(), m_setCmdArgs.GetErrorDescription().c_str() ) );
		return MIstatus::failure;
	}

	return bOk;
}

//++ ------------------------------------------------------------------------------------
// 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( void )
{
	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( void )
{
	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( void )
{
	return new CMICmdCmdSupportInfoMiCmdQuery();
}