| Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame^] | 1 | //===-- StringExtractorGDBRemote.cpp ----------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "StringExtractorGDBRemote.h" |
| 11 | |
| 12 | // C Includes |
| 13 | // C++ Includes |
| 14 | // Other libraries and framework includes |
| 15 | // Project includes |
| 16 | |
| 17 | |
| 18 | |
| 19 | StringExtractorGDBRemote::Type |
| 20 | StringExtractorGDBRemote::GetType () const |
| 21 | { |
| 22 | if (m_packet.empty()) |
| 23 | return eUnsupported; |
| 24 | |
| 25 | switch (m_packet[0]) |
| 26 | { |
| 27 | case 'E': |
| 28 | if (m_packet.size() == 3 && |
| 29 | isxdigit(m_packet[1]) && |
| 30 | isxdigit(m_packet[2])) |
| 31 | return eError; |
| 32 | break; |
| 33 | |
| 34 | case 'O': |
| 35 | if (m_packet.size() == 2 && m_packet[1] == 'K') |
| 36 | return eOK; |
| 37 | break; |
| 38 | |
| 39 | case '+': |
| 40 | if (m_packet.size() == 1) |
| 41 | return eAck; |
| 42 | break; |
| 43 | |
| 44 | case '-': |
| 45 | if (m_packet.size() == 1) |
| 46 | return eNack; |
| 47 | break; |
| 48 | } |
| 49 | return eResponse; |
| 50 | } |
| 51 | |
| 52 | bool |
| 53 | StringExtractorGDBRemote::IsOKPacket() const |
| 54 | { |
| 55 | return GetType () == eOK; |
| 56 | } |
| 57 | |
| 58 | |
| 59 | bool |
| 60 | StringExtractorGDBRemote::IsUnsupportedPacket() const |
| 61 | { |
| 62 | return GetType () == eUnsupported; |
| 63 | } |
| 64 | |
| 65 | bool |
| 66 | StringExtractorGDBRemote::IsNormalPacket() const |
| 67 | { |
| 68 | return GetType () == eResponse; |
| 69 | } |
| 70 | |
| 71 | bool |
| 72 | StringExtractorGDBRemote::IsErrorPacket() const |
| 73 | { |
| 74 | return GetType () == eError && |
| 75 | m_packet.size() == 3 && |
| 76 | isxdigit(m_packet[1]) && |
| 77 | isxdigit(m_packet[2]); |
| 78 | } |
| 79 | |
| 80 | uint8_t |
| 81 | StringExtractorGDBRemote::GetError () |
| 82 | { |
| 83 | if (GetType() == eError) |
| 84 | { |
| 85 | SetFilePos(1); |
| 86 | return GetHexU8(255); |
| 87 | } |
| 88 | return 0; |
| 89 | } |