C++ checkSane函数代码示例

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本文整理汇总了C++中checkSane函数的典型用法代码示例。如果您正苦于以下问题：C++ checkSane函数的具体用法？C++ checkSane怎么用？C++ checkSane使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了checkSane函数的16个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: assert

StringData* StringData::reserve(size_t cap) {
  assert(!isImmutable() && !hasMultipleRefs());
  assert(isFlat());

  if (cap <= capacity()) return this;

  cap = std::min(cap + cap / 4, size_t(MaxSize) + 1);

  auto const allocRet = allocFlatForLen(cap);
  auto const sd       = allocRet.first;
  auto const cc       = allocRet.second;
  auto const data     = reinterpret_cast<char*>(sd + 1);

  sd->m_data          = data;
  sd->m_hdr.init(cc, HeaderKind::String, 1);
  // request-allocated StringData are always aligned at 16 bytes, thus it is
  // safe to copy in 16-byte groups. This copies m_lenAndHash (8 bytes), the
  // characters (m_len bytes), add the trailing zero (1 byte).
  memcpy16_inline(&sd->m_lenAndHash, &m_lenAndHash,
                  (m_len + 8 + 1 + 15) & ~0xF);
  assertx(reinterpret_cast<uintptr_t>(&m_lenAndHash) + 8 ==
          reinterpret_cast<uintptr_t>(m_data));
  assertx(reinterpret_cast<uintptr_t>(&m_lenAndHash) % 16 == 0);

  assert(sd->hasExactlyOneRef());
  assert(sd->isFlat());
  assert(sd->checkSane());
  return sd;
}

开发者ID:stevedien，项目名称:hhvm，代码行数:29，代码来源:string-data.cpp

示例2: MM

NEVER_INLINE
StringData* StringData::MakeSVSlowPath(APCString* shared, uint32_t len) {
  auto const data = shared->getStringData();
  auto const hash = data->m_hash & STRHASH_MASK;
  auto const capAndHash = static_cast<uint64_t>(hash) << 32;

  auto const sd = static_cast<StringData*>(
      MM().smartMallocSize(sizeof(StringData) + sizeof(SharedPayload))
  );

  sd->m_data = const_cast<char*>(data->m_data);
  sd->m_lenAndCount = len;
  sd->m_capAndHash = capAndHash;

  sd->sharedPayload()->shared = shared;
  sd->enlist();
  shared->getHandle()->reference();

  assert(sd->m_len == len);
  assert(sd->m_count == 0);
  assert(sd->m_cap == 0); // cap == 0 means shared
  assert(sd->m_hash == hash);
  assert(sd->checkSane());
  return sd;
}

开发者ID:2bj，项目名称:hhvm，代码行数:25，代码来源:apc-string.cpp

示例3: assert

StringData* StringData::reserve(size_t cap) {
    assert(!isImmutable() && !hasMultipleRefs());
    assert(isFlat());

    if (cap <= capacity()) return this;

    cap = std::min(cap + cap / 4, size_t(MaxSize));
    auto const sd = allocFlatForLenSmall(cap);

    // Request-allocated StringData are always aligned at 16 bytes, thus it is
    // safe to copy in 16-byte groups.
#ifdef NO_M_DATA
    // layout: [m_lenAndHash][header][...data]
    sd->m_lenAndHash = m_lenAndHash;
    // This copies the characters (m_len bytes), and the trailing zero (1 byte)
    memcpy16_inline(sd+1, this+1, (m_len + 1 + 15) & ~0xF);
    assertx(reinterpret_cast<uintptr_t>(this+1) % 16 == 0);
#else
    // layout: [m_data][header][m_lenAndHash][...data]
    // This copies m_lenAndHash (8 bytes), the characters (m_len bytes),
    // and the trailing zero (1 byte).
    memcpy16_inline(&sd->m_lenAndHash, &m_lenAndHash,
                    (m_len + 8 + 1 + 15) & ~0xF);
    assertx(reinterpret_cast<uintptr_t>(&m_lenAndHash) + 8 ==
            reinterpret_cast<uintptr_t>(m_data));
    assertx(reinterpret_cast<uintptr_t>(&m_lenAndHash) % 16 == 0);
#endif

    assert(sd->hasExactlyOneRef());
    assert(sd->isFlat());
    assert(sd->checkSane());
    return sd;
}

开发者ID:gdbentley，项目名称:hhvm，代码行数:33，代码来源:string-data.cpp

示例4: throw_string_too_large

// Create either a static or an uncounted string.
// Diffrence between static and uncounted is in the lifetime
// of the string. Static are alive for the lifetime of the process.
// Uncounted are not ref counted but will be deleted at some point.
ALWAYS_INLINE
StringData* StringData::MakeShared(StringSlice sl, bool trueStatic) {
  if (UNLIKELY(sl.len > StringData::MaxSize)) {
    throw_string_too_large(sl.len);
  }

  auto const cc = CapCode::ceil(sl.len);
  auto const need = cc.decode() + kCapOverhead;
  auto const sd = static_cast<StringData*>(
    trueStatic ? low_malloc(need) : malloc(need)
  );
  auto const data = reinterpret_cast<char*>(sd + 1);

  sd->m_data = data;
  auto const count = trueStatic ? StaticValue : UncountedValue;
  sd->m_hdr.init(cc, HeaderKind::String, count);
  sd->m_len = sl.len; // m_hash is computed soon.

  data[sl.len] = 0;
  auto const mcret = memcpy(data, sl.ptr, sl.len);
  auto const ret = reinterpret_cast<StringData*>(mcret) - 1;
  // Recalculating ret from mcret avoids a spill.
  ret->preCompute();                    // get m_hash right

  assert(ret == sd);
  assert(ret->isFlat());
  assert(trueStatic ? ret->isStatic() : ret->isUncounted());
  assert(ret->checkSane());
  return ret;
}

开发者ID:huamichaelchen，项目名称:hhvm，代码行数:34，代码来源:string-data.cpp

示例5: assert

StringData* StringData::append(StringSlice range) {
  assert(!hasMultipleRefs());

  auto s = range.ptr;
  auto const len = range.len;
  if (len == 0) return this;
  auto const newLen = size_t(m_len) + size_t(len);

  if (UNLIKELY(newLen > MaxSize)) {
    throw_string_too_large(newLen);
  }

  /*
   * We may have an aliasing append.  We don't allow appending with an
   * interior pointer, although we may be asked to append less than
   * the whole string in an aliasing situation.
   */
  ALIASING_APPEND_ASSERT(s, len);

  auto const requestLen = static_cast<uint32_t>(newLen);
  auto const target = UNLIKELY(isShared()) ? escalate(requestLen)
                                           : reserve(requestLen);
  memcpy(target->mutableData() + m_len, s, len);
  target->setSize(newLen);
  assert(target->checkSane());

  return target;
}

开发者ID:huamichaelchen，项目名称:hhvm，代码行数:28，代码来源:string-data.cpp

示例6: always_assert

NEVER_INLINE
StringData* StringData::MakeProxySlowPath(const APCString* apcstr) {
#ifdef NO_M_DATA
    always_assert(false);
    not_reached();
#else
    auto const sd = static_cast<StringData*>(
                        MM().mallocSmallSize(sizeof(StringData) + sizeof(Proxy))
                    );
    auto const data = apcstr->getStringData();
    sd->m_data = const_cast<char*>(data->m_data);
    sd->m_hdr.init(data->m_hdr, 1);
    sd->m_lenAndHash = data->m_lenAndHash;
    sd->proxy()->apcstr = apcstr;
    sd->enlist();
    apcstr->reference();

    assert(sd->m_len == data->size());
    assert(sd->m_hdr.aux == data->m_hdr.aux);
    assert(sd->m_hdr.kind == HeaderKind::String);
    assert(sd->hasExactlyOneRef());
    assert(sd->m_hash == data->m_hash);
    assert(sd->isProxy());
    assert(sd->checkSane());
    return sd;
#endif
}

开发者ID:gdbentley，项目名称:hhvm，代码行数:27，代码来源:string-data.cpp

示例7: format

HOT_FUNC
void StringData::releaseData() {
  Format f = format();
  if (f == IsSmall) return;
  if (f == IsMalloc) {
    ASSERT(checkSane());
    free(m_data);
    m_data = NULL;
    return;
  }
  if (f == IsShared) {
    ASSERT(checkSane());
    m_big.shared->decRef();
    return;
  }
  // Nothing to do for literals, which are rarely destructed anyway.
}

开发者ID:RepmujNetsik，项目名称:hiphop-php，代码行数:17，代码来源:string_data.cpp

示例8: assert

NEVER_INLINE
void StringData::releaseDataSlowPath() {
  assert(isProxy());
  assert(checkSane());
  proxy()->apcstr->getHandle()->unreference();
  delist();
  MM().freeSmallSize(this, sizeof(StringData) + sizeof(Proxy));
}

开发者ID:AeroEng43，项目名称:hhvm，代码行数:8，代码来源:string-data.cpp

示例9: allocFlatForLenSmall

StringData* StringData::Make(size_t reserveLen) {
  auto const sd = allocFlatForLenSmall(reserveLen);
  sd->setSize(0);

  assert(sd->hasExactlyOneRef());
  assert(sd->isFlat());
  assert(sd->checkSane());
  return sd;
}

开发者ID:huamichaelchen，项目名称:hhvm，代码行数:9，代码来源:string-data.cpp

示例10: ASSERT

void StringData::escalate() {
  ASSERT(isImmutable() && !isStatic() && size() > 0);
  StringSlice s = slice();
  char *buf = (char*)malloc(s.len + 1);
  memcpy(buf, s.ptr, s.len);
  buf[s.len] = 0;
  m_len = s.len;
  m_data = buf;
  m_big.cap = s.len | IsMalloc;
  // clear precomputed hashcode
  m_hash = 0;
  ASSERT(checkSane());
}

开发者ID:RepmujNetsik，项目名称:hiphop-php，代码行数:13，代码来源:string_data.cpp

示例11: assert

HOT_FUNC
void StringData::releaseDataSlowPath() {
  assert(!isSmall());
  assert(checkSane());

  auto const loadedMode = mode();

  if (LIKELY(loadedMode == Mode::Smart)) {
    smart_free(m_data);
    return;
  }

  if (loadedMode == Mode::Shared) {
    assert(checkSane());
    m_big.shared->decRef();
    delist();
    return;
  }

  assert(loadedMode == Mode::Malloc);
  assert(checkSane());
  free(m_data);
}

开发者ID:bnovoa，项目名称:hiphop-php，代码行数:23，代码来源:string-data.cpp

示例12: InvalidArgumentException

void StringData::initAttachDeprecated(const char* data, int len) {
  if (uint32_t(len) > MaxSize) {
    throw InvalidArgumentException("len>=2^30", len);
  }
  // Don't copy small strings here either because the caller sometimes
  // assumes he can mess with data while this string is still alive,
  // and we want to free it eagerly. Sketchy!
  m_hash = 0;
  _count = 0;
  m_len = len;
  m_cdata = data;
  m_big.cap = len | IsMalloc;
  ASSERT(checkSane());
  TAINT_OBSERVER_REGISTER_MUTATED(m_taint_data, rawdata());
}

开发者ID:RepmujNetsik，项目名称:hiphop-php，代码行数:15，代码来源:string_data.cpp

示例13: allocFlatForLenSmall

StringData* StringData::Make(folly::StringPiece r1, folly::StringPiece r2) {
  auto const len = r1.size() + r2.size();
  auto const sd = allocFlatForLenSmall(len);
  sd->m_lenAndHash = len; // hash=0

  auto const data = reinterpret_cast<char*>(sd + 1);
  memcpy(data,             r1.data(), r1.size());
  memcpy(data + r1.size(), r2.data(), r2.size());
  data[len] = 0;

  assert(sd->hasExactlyOneRef());
  assert(sd->isFlat());
  assert(sd->checkSane());
  return sd;
}

开发者ID:AeroEng43，项目名称:hhvm，代码行数:15，代码来源:string-data.cpp

示例14: allocFlatForLen

StringData* StringData::Make(size_t reserveLen) {
  auto const allocRet = allocFlatForLen(reserveLen);
  auto const sd       = allocRet.first;
  auto const capCode  = allocRet.second;
  auto const data     = reinterpret_cast<char*>(sd + 1);

  data[0] = 0;
  sd->m_data        = data;
  sd->m_capAndCount = HeaderKind::String << 24 | capCode; // count=0
  sd->m_lenAndHash  = 0; // len=hash=0

  assert(sd->isFlat());
  assert(sd->checkSane());
  return sd;
}

开发者ID:Dream-Seeker，项目名称:hhvm，代码行数:15，代码来源:string-data.cpp

示例15: allocFlatForLen

StringData* StringData::Make(size_t reserveLen) {
  auto const allocRet = allocFlatForLen(reserveLen);
  auto const sd       = allocRet.first;
  auto const cc       = allocRet.second;
  auto const data     = reinterpret_cast<char*>(sd + 1);

  data[0] = 0;
  sd->m_data        = data;
  sd->m_hdr.init(cc, HeaderKind::String, 1);
  sd->m_lenAndHash  = 0; // len=hash=0

  assert(sd->hasExactlyOneRef());
  assert(sd->isFlat());
  assert(sd->checkSane());
  return sd;
}

开发者ID:stevedien，项目名称:hhvm，代码行数:16，代码来源:string-data.cpp

示例16: assert

// State transition from Mode::Shared to Mode::Flat.
StringData* StringData::escalate(size_t cap) {
  assert(isShared() && !isStatic() && cap >= m_len);

  auto const sd = Make(cap);
  auto const src = slice();
  auto const dst = sd->mutableData();
  sd->setSize(src.len);

  auto const mcret = memcpy(dst, src.ptr, src.len);
  auto const ret = static_cast<StringData*>(mcret) - 1;
  // Recalculating ret from mcret avoids a spill.

  assert(ret == sd);
  assert(ret->checkSane());
  return ret;
}

开发者ID:Dream-Seeker，项目名称:hhvm，代码行数:17，代码来源:string-data.cpp

注：本文中的checkSane函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。