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//===-- StringExtractorGDBRemote.cpp ----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
#include <string.h>
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "Utility/StringExtractorGDBRemote.h"
StringExtractorGDBRemote::ResponseType
StringExtractorGDBRemote::GetResponseType () const
{
if (m_packet.empty())
return eUnsupported;
switch (m_packet[0])
{
case 'E':
if (m_packet.size() == 3 &&
isxdigit(m_packet[1]) &&
isxdigit(m_packet[2]))
return eError;
break;
case 'O':
if (m_packet.size() == 2 && m_packet[1] == 'K')
return eOK;
break;
case '+':
if (m_packet.size() == 1)
return eAck;
break;
case '-':
if (m_packet.size() == 1)
return eNack;
break;
}
return eResponse;
}
StringExtractorGDBRemote::ServerPacketType
StringExtractorGDBRemote::GetServerPacketType () const
{
// Empty is not a supported packet...
if (m_packet.empty())
return eServerPacketType_invalid;
const char *packet_cstr = m_packet.c_str();
switch (m_packet[0])
{
case '\x03':
if (m_packet.size() == 1)
return eServerPacketType_interrupt;
break;
case '-':
if (m_packet.size() == 1)
return eServerPacketType_nack;
break;
case '+':
if (m_packet.size() == 1)
return eServerPacketType_ack;
break;
case 'Q':
if (strcmp (packet_cstr, "QStartNoAckMode") == 0)
return eServerPacketType_QStartNoAckMode;
break;
case 'q':
if (strcmp (packet_cstr, "qHostInfo") == 0)
return eServerPacketType_qHostInfo;
break;
}
return eServerPacketType_unimplemented;
}
bool
StringExtractorGDBRemote::IsOKResponse() const
{
return GetResponseType () == eOK;
}
bool
StringExtractorGDBRemote::IsUnsupportedResponse() const
{
return GetResponseType () == eUnsupported;
}
bool
StringExtractorGDBRemote::IsNormalResponse() const
{
return GetResponseType () == eResponse;
}
bool
StringExtractorGDBRemote::IsErrorResponse() const
{
return GetResponseType () == eError &&
m_packet.size() == 3 &&
isxdigit(m_packet[1]) &&
isxdigit(m_packet[2]);
}
uint8_t
StringExtractorGDBRemote::GetError ()
{
if (GetResponseType() == eError)
{
SetFilePos(1);
return GetHexU8(255);
}
return 0;
}
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