Exemplos de printTerse em C++ (Cpp)

Exemplo n.º 1

Arquivo: Symbolizer.cpp Projeto: genorm/folly

void SymbolizePrinter::print(uintptr_t address, const SymbolizedFrame& frame) {
  if (options_ & TERSE) {
    printTerse(address, frame);
    return;
  }

  SCOPE_EXIT { color(Color::DEFAULT); };

  if (!(options_ & NO_FRAME_ADDRESS)) {
    color(kAddressColor);

    AddressFormatter formatter;
    doPrint(formatter.format(address));
  }

  const char padBuf[] = "                       ";
  folly::StringPiece pad(padBuf,
                         sizeof(padBuf) - 1 - (16 - 2 * sizeof(uintptr_t)));

  color(kFunctionColor);
  if (!frame.found) {
    doPrint(" (not found)");
    return;
  }

  if (!frame.name || frame.name[0] == '\0') {
    doPrint(" (unknown)");
  } else {
    char demangledBuf[2048];
    demangle(frame.name, demangledBuf, sizeof(demangledBuf));
    doPrint(" ");
    doPrint(demangledBuf[0] == '\0' ? frame.name : demangledBuf);
  }

  if (!(options_ & NO_FILE_AND_LINE)) {
    color(kFileColor);
    char fileBuf[PATH_MAX];
    fileBuf[0] = '\0';
    if (frame.location.hasFileAndLine) {
      frame.location.file.toBuffer(fileBuf, sizeof(fileBuf));
      doPrint("\n");
      doPrint(pad);
      doPrint(fileBuf);

      char buf[22];
      uint32_t n = uint64ToBufferUnsafe(frame.location.line, buf);
      doPrint(":");
      doPrint(StringPiece(buf, n));
    }

    if (frame.location.hasMainFile) {
      char mainFileBuf[PATH_MAX];
      mainFileBuf[0] = '\0';
      frame.location.mainFile.toBuffer(mainFileBuf, sizeof(mainFileBuf));
      if (!frame.location.hasFileAndLine || strcmp(fileBuf, mainFileBuf)) {
        doPrint("\n");
        doPrint(pad);
        doPrint("-> ");
        doPrint(mainFileBuf);
      }
    }
  }
}

Exemplo n.º 2

Arquivo: Symbolizer.cpp Projeto: JasonGitHub/folly

void SymbolizePrinter::print(uintptr_t address, const SymbolizedFrame& frame) {
  if (options_ & TERSE) {
    printTerse(address, frame);
    return;
  }

  // Can't use sprintf, not async-signal-safe
  static_assert(sizeof(uintptr_t) <= 8, "huge uintptr_t?");
  char buf[] = "    @ 0000000000000000";
  char* end = buf + sizeof(buf) - 1 - (16 - 2 * sizeof(uintptr_t));
  const char padBuf[] = "                       ";
  folly::StringPiece pad(padBuf,
                         sizeof(padBuf) - 1 - (16 - 2 * sizeof(uintptr_t)));
  char* p = end;
  *p-- = '\0';
  while (address != 0) {
    *p-- = kHexChars[address & 0xf];
    address >>= 4;
  }
  doPrint(folly::StringPiece(buf, end));

  char mangledBuf[1024];
  if (!frame.found) {
    doPrint(" (not found)");
    return;
  }

  if (frame.name.empty()) {
    doPrint(" (unknown)");
  } else if (frame.name.size() >= sizeof(mangledBuf)) {
    doPrint(" ");
    doPrint(frame.name);
  } else {
    memcpy(mangledBuf, frame.name.data(), frame.name.size());
    mangledBuf[frame.name.size()] = '\0';

    char demangledBuf[1024];
    demangle(mangledBuf, demangledBuf, sizeof(demangledBuf));
    doPrint(" ");
    doPrint(demangledBuf);
  }

  if (!(options_ & NO_FILE_AND_LINE)) {
    char fileBuf[PATH_MAX];
    fileBuf[0] = '\0';
    if (frame.location.hasFileAndLine) {
      frame.location.file.toBuffer(fileBuf, sizeof(fileBuf));
      doPrint("\n");
      doPrint(pad);
      doPrint(fileBuf);

      char buf[22];
      uint32_t n = uint64ToBufferUnsafe(frame.location.line, buf);
      doPrint(":");
      doPrint(StringPiece(buf, n));
    }

    if (frame.location.hasMainFile) {
      char mainFileBuf[PATH_MAX];
      mainFileBuf[0] = '\0';
      frame.location.mainFile.toBuffer(mainFileBuf, sizeof(mainFileBuf));
      if (!frame.location.hasFileAndLine || strcmp(fileBuf, mainFileBuf)) {
        doPrint("\n");
        doPrint(pad);
        doPrint("-> ");
        doPrint(mainFileBuf);
      }
    }
  }
}