C++ (Cpp) GCOVBuffer::readObjectTag Examples

Example #1

File: GCOV.cpp Project: A2-Collaboration/root

/// readGCDA - Read GCDA buffer. It is required that readGCDA() can only be
/// called after readGCNO().
bool GCOVFile::readGCDA(GCOVBuffer &Buffer) {
  assert(GCNOInitialized && "readGCDA() can only be called after readGCNO()");
  if (!Buffer.readGCDAFormat())
    return false;
  GCOV::GCOVVersion GCDAVersion;
  if (!Buffer.readGCOVVersion(GCDAVersion))
    return false;
  if (Version != GCDAVersion) {
    errs() << "GCOV versions do not match.\n";
    return false;
  }

  uint32_t GCDAChecksum;
  if (!Buffer.readInt(GCDAChecksum))
    return false;
  if (Checksum != GCDAChecksum) {
    errs() << "File checksums do not match: " << Checksum
           << " != " << GCDAChecksum << ".\n";
    return false;
  }
  for (size_t i = 0, e = Functions.size(); i < e; ++i) {
    if (!Buffer.readFunctionTag()) {
      errs() << "Unexpected number of functions.\n";
      return false;
    }
    if (!Functions[i]->readGCDA(Buffer, Version))
      return false;
  }
  if (Buffer.readObjectTag()) {
    uint32_t Length;
    uint32_t Dummy;
    if (!Buffer.readInt(Length))
      return false;
    if (!Buffer.readInt(Dummy))
      return false; // checksum
    if (!Buffer.readInt(Dummy))
      return false; // num
    if (!Buffer.readInt(RunCount))
      return false;
    Buffer.advanceCursor(Length - 3);
  }
  while (Buffer.readProgramTag()) {
    uint32_t Length;
    if (!Buffer.readInt(Length))
      return false;
    Buffer.advanceCursor(Length);
    ++ProgramCount;
  }

  return true;
}