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

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//===-- MICmdArgValThreadGrp.cpp --------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MICmdArgValThreadGrp.cpp
//
// Overview: CMICmdArgValThreadGrp 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 "MICmdArgValThreadGrp.h"
#include "MICmdArgContext.h"
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValThreadGrp constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdArgValThreadGrp::CMICmdArgValThreadGrp( void )
: m_nThreadGrp( 0 )
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValThreadGrp constructor.
// Type: Method.
// Args: vrArgName - (R) Argument's name to search by.
// vbMandatory - (R) True = Yes must be present, false = optional argument.
// vbHandleByCmd - (R) True = Command processes *this option, false = not handled.
// Return: None.
// Throws: None.
//--
CMICmdArgValThreadGrp::CMICmdArgValThreadGrp( const CMIUtilString & vrArgName, const bool vbMandatory, const bool vbHandleByCmd )
: CMICmdArgValBaseTemplate( vrArgName, vbMandatory, vbHandleByCmd )
, m_nThreadGrp( 0 )
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValThreadGrp destructor.
// Type: Overidden.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdArgValThreadGrp::~CMICmdArgValThreadGrp( void )
{
}
//++ ------------------------------------------------------------------------------------
// Details: Parse the command's argument options string and try to extract the value *this
// argument is looking for.
// Type: Overridden.
// Args: vwArgContext - (RW) The command's argument options string.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdArgValThreadGrp::Validate( CMICmdArgContext & vwArgContext )
{
if( vwArgContext.IsEmpty() )
return MIstatus::success;
if( vwArgContext.GetNumberArgsPresent() == 1 )
{
const CMIUtilString & rArg( vwArgContext.GetArgsLeftToParse() );
if( IsArgThreadGrp( rArg ) && ExtractNumber( rArg ) )
{
m_bFound = true;
m_bValid = true;
m_argValue = GetNumber();
vwArgContext.RemoveArg( rArg );
return MIstatus::success;
}
else
return MIstatus::failure;
}
// More than one option...
const CMIUtilString::VecString_t vecOptions( vwArgContext.GetArgs() );
CMIUtilString::VecString_t::const_iterator it = vecOptions.begin();
while( it != vecOptions.end() )
{
const CMIUtilString & rArg( *it );
if( IsArgThreadGrp( rArg ) && ExtractNumber( rArg ) )
{
m_bFound = true;
if( vwArgContext.RemoveArg( rArg ) )
{
m_bValid = true;
m_argValue = GetNumber();
return MIstatus::success;
}
else
return MIstatus::failure;
}
// Next
++it;
}
return MIstatus::failure;
}
//++ ------------------------------------------------------------------------------------
// Details: Examine the string and determine if it is a valid string type argument.
// Type: Method.
// Args: vrTxt - (R) Some text.
// Return: bool - True = yes valid arg, false = no.
// Throws: None.
//--
bool CMICmdArgValThreadGrp::IsArgThreadGrp( const CMIUtilString & vrTxt ) const
{
// Look for i1 i2 i3....
const MIint nPos = vrTxt.find_first_of( "i" );
if( nPos != 0 )
return false;
const CMIUtilString strNum = vrTxt.substr( 1 ).c_str();
if( !strNum.IsNumber() )
return false;
return true;
}
//++ ------------------------------------------------------------------------------------
// Details: Extract the thread group number from the thread group argument.
// Type: Method.
// Args: vrTxt - (R) Some text.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdArgValThreadGrp::ExtractNumber( const CMIUtilString & vrTxt )
{
const CMIUtilString strNum = vrTxt.substr( 1 ).c_str();
MIint64 nNumber = 0;
bool bOk = strNum.ExtractNumber( nNumber );
if( bOk )
{
m_nThreadGrp = static_cast< MIuint >( nNumber );
}
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the thread group ID found in the argument.
// Type: Method.
// Args: None.
// Return: MIuint - Thread group ID.
// Throws: None.
//--
MIuint CMICmdArgValThreadGrp::GetNumber( void ) const
{
return m_nThreadGrp;
}