C++ MutableHandleValue::setInt32方法代码示例

本文整理汇总了C++中MutableHandleValue::setInt32方法的典型用法代码示例。如果您正苦于以下问题：C++ MutableHandleValue::setInt32方法的具体用法？C++ MutableHandleValue::setInt32怎么用？C++ MutableHandleValue::setInt32使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MutableHandleValue的用法示例。

在下文中一共展示了MutableHandleValue::setInt32方法的10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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: atomics_fence_impl

bool
js::atomics_load(JSContext* cx, unsigned argc, Value* vp)
{
    CallArgs args = CallArgsFromVp(argc, vp);
    HandleValue objv = args.get(0);
    HandleValue idxv = args.get(1);
    MutableHandleValue r = args.rval();

    Rooted<SharedTypedArrayObject*> view(cx, nullptr);
    if (!GetSharedTypedArray(cx, objv, &view))
        return false;
    uint32_t offset;
    bool inRange;
    if (!GetSharedTypedArrayIndex(cx, idxv, view, &offset, &inRange))
        return false;

    if (!inRange)
        return atomics_fence_impl(cx, r);

    switch (view->type()) {
      case Scalar::Uint8:
      case Scalar::Uint8Clamped: {
          uint8_t v = jit::AtomicOperations::loadSeqCst((uint8_t*)view->viewData() + offset);
          r.setInt32(v);
          return true;
      }
      case Scalar::Int8: {
          int8_t v = jit::AtomicOperations::loadSeqCst((uint8_t*)view->viewData() + offset);
          r.setInt32(v);
          return true;
      }
      case Scalar::Int16: {
          int16_t v = jit::AtomicOperations::loadSeqCst((int16_t*)view->viewData() + offset);
          r.setInt32(v);
          return true;
      }
      case Scalar::Uint16: {
          uint16_t v = jit::AtomicOperations::loadSeqCst((uint16_t*)view->viewData() + offset);
          r.setInt32(v);
          return true;
      }
      case Scalar::Int32: {
          int32_t v = jit::AtomicOperations::loadSeqCst((int32_t*)view->viewData() + offset);
          r.setInt32(v);
          return true;
      }
      case Scalar::Uint32: {
          uint32_t v = jit::AtomicOperations::loadSeqCst((uint32_t*)view->viewData() + offset);
          r.setNumber(v);
          return true;
      }
      default:
          return ReportBadArrayType(cx);
    }
}

开发者ID:tefn3849，项目名称:gecko-dev，代码行数:55，代码来源:AtomicsObject.cpp

示例2: ReportBadArrayType

static bool
AtomicsBinop(JSContext* cx, HandleValue objv, HandleValue idxv, HandleValue valv,
             MutableHandleValue r)
{
    Rooted<TypedArrayObject*> view(cx, nullptr);
    if (!GetSharedTypedArray(cx, objv, &view))
        return false;
    uint32_t offset;
    if (!GetTypedArrayIndex(cx, idxv, view, &offset))
        return false;
    int32_t numberValue;
    if (!ToInt32(cx, valv, &numberValue))
        return false;

    SharedMem<void*> viewData = view->viewDataShared();
    switch (view->type()) {
      case Scalar::Int8: {
        int8_t v = (int8_t)numberValue;
        r.setInt32(T::operate(viewData.cast<int8_t*>() + offset, v));
        return true;
      }
      case Scalar::Uint8: {
        uint8_t v = (uint8_t)numberValue;
        r.setInt32(T::operate(viewData.cast<uint8_t*>() + offset, v));
        return true;
      }
      case Scalar::Int16: {
        int16_t v = (int16_t)numberValue;
        r.setInt32(T::operate(viewData.cast<int16_t*>() + offset, v));
        return true;
      }
      case Scalar::Uint16: {
        uint16_t v = (uint16_t)numberValue;
        r.setInt32(T::operate(viewData.cast<uint16_t*>() + offset, v));
        return true;
      }
      case Scalar::Int32: {
        int32_t v = numberValue;
        r.setInt32(T::operate(viewData.cast<int32_t*>() + offset, v));
        return true;
      }
      case Scalar::Uint32: {
        uint32_t v = (uint32_t)numberValue;
        r.setNumber((double)T::operate(viewData.cast<uint32_t*>() + offset, v));
        return true;
      }
      default:
        return ReportBadArrayType(cx);
    }
}

开发者ID:acmorrow，项目名称:mongo，代码行数:50，代码来源:AtomicsObject.cpp

示例3: unsigned

static JSBool
ArgGetter(JSContext *cx, HandleObject obj, HandleId id, MutableHandleValue vp)
{
    if (!obj->isNormalArguments())
        return true;

    NormalArgumentsObject &argsobj = obj->asNormalArguments();
    if (JSID_IS_INT(id)) {
        /*
         * arg can exceed the number of arguments if a script changed the
         * prototype to point to another Arguments object with a bigger argc.
         */
        unsigned arg = unsigned(JSID_TO_INT(id));
        if (arg < argsobj.initialLength() && !argsobj.isElementDeleted(arg))
            vp.set(argsobj.element(arg));
    } else if (JSID_IS_ATOM(id, cx->names().length)) {
        if (!argsobj.hasOverriddenLength())
            vp.setInt32(argsobj.initialLength());
    } else {
        JS_ASSERT(JSID_IS_ATOM(id, cx->names().callee));
        if (!argsobj.callee().isMagic(JS_OVERWRITTEN_CALLEE))
            vp.set(argsobj.callee());
    }
    return true;
}

开发者ID:mshal，项目名称:mozilla-central，代码行数:25，代码来源:ArgumentsObject.cpp

示例4: callee

static bool
MappedArgGetter(JSContext* cx, HandleObject obj, HandleId id, MutableHandleValue vp)
{
    MappedArgumentsObject& argsobj = obj->as<MappedArgumentsObject>();
    if (JSID_IS_INT(id)) {
        /*
         * arg can exceed the number of arguments if a script changed the
         * prototype to point to another Arguments object with a bigger argc.
         */
        unsigned arg = unsigned(JSID_TO_INT(id));
        if (arg < argsobj.initialLength() && !argsobj.isElementDeleted(arg))
            vp.set(argsobj.element(arg));
    } else if (JSID_IS_ATOM(id, cx->names().length)) {
        if (!argsobj.hasOverriddenLength())
            vp.setInt32(argsobj.initialLength());
    } else {
        MOZ_ASSERT(JSID_IS_ATOM(id, cx->names().callee));
        if (!argsobj.hasOverriddenCallee()) {
            RootedFunction callee(cx, &argsobj.callee());
            if (callee->isAsync())
                vp.setObject(*GetWrappedAsyncFunction(callee));
            else
                vp.setObject(*callee);
        }
    }
    return true;
}

开发者ID:mongodb，项目名称:mongo，代码行数:27，代码来源:ArgumentsObject.cpp

示例5: Compare

  bool
  Compare(JSContext* cx, HandleString src1, HandleString src2, MutableHandleValue rval)
  {
    nsresult rv;

    if (!mCollation) {
      nsCOMPtr<nsILocaleService> localeService =
        do_GetService(NS_LOCALESERVICE_CONTRACTID, &rv);

      if (NS_SUCCEEDED(rv)) {
        nsCOMPtr<nsILocale> locale;
        rv = localeService->GetApplicationLocale(getter_AddRefs(locale));

        if (NS_SUCCEEDED(rv)) {
          nsCOMPtr<nsICollationFactory> colFactory =
            do_CreateInstance(NS_COLLATIONFACTORY_CONTRACTID, &rv);

          if (NS_SUCCEEDED(rv)) {
            rv = colFactory->CreateCollation(locale, getter_AddRefs(mCollation));
          }
        }
      }

      if (NS_FAILED(rv)) {
        xpc::Throw(cx, rv);
        return false;
      }
    }

    nsAutoJSString autoStr1, autoStr2;
    if (!autoStr1.init(cx, src1) || !autoStr2.init(cx, src2)) {
      return false;
    }

    int32_t result;
    rv = mCollation->CompareString(nsICollation::kCollationStrengthDefault,
                                   autoStr1, autoStr2, &result);

    if (NS_FAILED(rv)) {
      xpc::Throw(cx, rv);
      return false;
    }

    rval.setInt32(result);
    return true;
  }

开发者ID:MichaelKohler，项目名称:gecko-dev，代码行数:46，代码来源:XPCLocale.cpp

示例6: unsigned

static bool
UnmappedArgGetter(JSContext* cx, HandleObject obj, HandleId id, MutableHandleValue vp)
{
    UnmappedArgumentsObject& argsobj = obj->as<UnmappedArgumentsObject>();

    if (JSID_IS_INT(id)) {
        /*
         * arg can exceed the number of arguments if a script changed the
         * prototype to point to another Arguments object with a bigger argc.
         */
        unsigned arg = unsigned(JSID_TO_INT(id));
        if (arg < argsobj.initialLength() && !argsobj.isElementDeleted(arg))
            vp.set(argsobj.element(arg));
    } else {
        MOZ_ASSERT(JSID_IS_ATOM(id, cx->names().length));
        if (!argsobj.hasOverriddenLength())
            vp.setInt32(argsobj.initialLength());
    }
    return true;
}

开发者ID:TechnoAyan，项目名称:gecko-dev，代码行数:20，代码来源:ArgumentsObject.cpp

示例7: ReportBadArrayType

static bool
ExchangeOrStore(JSContext* cx, unsigned argc, Value* vp)
{
    CallArgs args = CallArgsFromVp(argc, vp);
    HandleValue objv = args.get(0);
    HandleValue idxv = args.get(1);
    HandleValue valv = args.get(2);
    MutableHandleValue r = args.rval();

    Rooted<SharedTypedArrayObject*> view(cx, nullptr);
    if (!GetSharedTypedArray(cx, objv, &view))
        return false;
    uint32_t offset;
    bool inRange;
    if (!GetSharedTypedArrayIndex(cx, idxv, view, &offset, &inRange))
        return false;
    int32_t numberValue;
    if (!ToInt32(cx, valv, &numberValue))
        return false;

    if (!inRange) {
        atomics_fullMemoryBarrier();
        r.set(valv);
        return true;
    }

    bool badType = false;
    int32_t result = ExchangeOrStore<op>(view->type(), numberValue, view->viewData(), offset, &badType);

    if (badType)
        return ReportBadArrayType(cx);

    if (view->type() == Scalar::Uint32)
        r.setNumber((double)(uint32_t)result);
    else
        r.setInt32(result);
    return true;
}

开发者ID:paulmadore，项目名称:luckyde，代码行数:38，代码来源:AtomicsObject.cpp

示例8: ReportBadArrayType

bool
js::atomics_store(JSContext* cx, unsigned argc, Value* vp)
{
    CallArgs args = CallArgsFromVp(argc, vp);
    HandleValue objv = args.get(0);
    HandleValue idxv = args.get(1);
    HandleValue valv = args.get(2);
    MutableHandleValue r = args.rval();

    Rooted<SharedTypedArrayObject*> view(cx, nullptr);
    if (!GetSharedTypedArray(cx, objv, &view))
        return false;
    uint32_t offset;
    bool inRange;
    if (!GetSharedTypedArrayIndex(cx, idxv, view, &offset, &inRange))
        return false;
    int32_t numberValue;
    if (!ToInt32(cx, valv, &numberValue))
        return false;

    if (!inRange) {
        atomics_fullMemoryBarrier();
        r.set(valv);
        return true;
    }

    switch (view->type()) {
      case Scalar::Int8: {
          int8_t value = (int8_t)numberValue;
          jit::AtomicOperations::storeSeqCst((int8_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Uint8: {
          uint8_t value = (uint8_t)numberValue;
          jit::AtomicOperations::storeSeqCst((uint8_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Uint8Clamped: {
          uint8_t value = ClampIntForUint8Array(numberValue);
          jit::AtomicOperations::storeSeqCst((uint8_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Int16: {
          int16_t value = (int16_t)numberValue;
          jit::AtomicOperations::storeSeqCst((int16_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Uint16: {
          uint16_t value = (uint16_t)numberValue;
          jit::AtomicOperations::storeSeqCst((uint16_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Int32: {
          int32_t value = numberValue;
          jit::AtomicOperations::storeSeqCst((int32_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Uint32: {
          uint32_t value = (uint32_t)numberValue;
          jit::AtomicOperations::storeSeqCst((uint32_t*)view->viewData() + offset, value);
          r.setNumber((double)value);
          return true;
      }
      default:
        return ReportBadArrayType(cx);
    }
}

开发者ID:tefn3849，项目名称:gecko-dev，代码行数:73，代码来源:AtomicsObject.cpp

示例9: ReportBadArrayType

bool
js::atomics_store(JSContext *cx, unsigned argc, Value *vp)
{
    CallArgs args = CallArgsFromVp(argc, vp);
    HandleValue objv = args.get(0);
    HandleValue idxv = args.get(1);
    HandleValue valv = args.get(2);
    MutableHandleValue r = args.rval();

    Rooted<SharedTypedArrayObject *> view(cx, nullptr);
    if (!GetSharedTypedArray(cx, objv, &view))
        return false;
    uint32_t offset;
    bool inRange;
    if (!GetSharedTypedArrayIndex(cx, idxv, view, &offset, &inRange))
        return false;
    int32_t numberValue;
    if (!ToInt32(cx, valv, &numberValue))
        return false;

    if (!inRange) {
        atomics_fullMemoryBarrier();
        r.set(valv);
        return true;
    }

    // STORE stores value in *addr
    // addr must be a T*, and value should be of type T

#if defined(CXX11_ATOMICS)
# define STORE(T, addr, value)                                           \
    do {                                                                \
        std::atomic_store(reinterpret_cast<std::atomic<T>*>(addr), (T)value); \
} while(0)
#elif defined(GNU_ATOMICS)
# define STORE(T, addr, value)                   \
    do {                                        \
        __sync_synchronize();                   \
        *(addr) = value;                        \
        __sync_synchronize();                   \
    } while(0)
#else
# define STORE(a, b, c)  (void)0
#endif

    switch (view->type()) {
      case Scalar::Int8: {
          int8_t value = (int8_t)numberValue;
          STORE(int8_t, (int8_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Uint8: {
          uint8_t value = (uint8_t)numberValue;
          STORE(uint8_t, (uint8_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Uint8Clamped: {
          uint8_t value = ClampIntForUint8Array(numberValue);
          STORE(uint8_t, (uint8_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Int16: {
          int16_t value = (int16_t)numberValue;
          STORE(int16_t, (int16_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Uint16: {
          uint16_t value = (uint16_t)numberValue;
          STORE(uint16_t, (uint16_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Int32: {
          int32_t value = numberValue;
          STORE(int32_t, (int32_t*)view->viewData() + offset, value);
          r.setInt32(value);
          return true;
      }
      case Scalar::Uint32: {
          uint32_t value = (uint32_t)numberValue;
          STORE(uint32_t, (uint32_t*)view->viewData() + offset, value);
          r.setNumber((double)value);
          return true;
      }
      default:
        return ReportBadArrayType(cx);
    }

#undef STORE
}

开发者ID:ashishrana7，项目名称:firefox，代码行数:94，代码来源:AtomicsObject.cpp

示例10: atomics_fence_impl

bool
js::atomics_load(JSContext *cx, unsigned argc, Value *vp)
{
    CallArgs args = CallArgsFromVp(argc, vp);
    HandleValue objv = args.get(0);
    HandleValue idxv = args.get(1);
    MutableHandleValue r = args.rval();

    Rooted<SharedTypedArrayObject *> view(cx, nullptr);
    if (!GetSharedTypedArray(cx, objv, &view))
        return false;
    uint32_t offset;
    bool inRange;
    if (!GetSharedTypedArrayIndex(cx, idxv, view, &offset, &inRange))
        return false;

    if (!inRange)
        return atomics_fence_impl(cx, r);

    // LOAD sets v to the value of *addr
    // addr must be a T*, and v must be a variable of type T

#if defined(CXX11_ATOMICS)
# define LOAD(T, addr, v)                                                \
    do {                                                                \
        v = std::atomic_load(reinterpret_cast<std::atomic<T>*>(addr));  \
    } while(0)
#elif defined(GNU_ATOMICS)
# define LOAD(T, addr, v)                        \
    do {                                        \
        __sync_synchronize();                   \
        v = *(addr);                            \
        __sync_synchronize();                   \
    } while(0)
#else
# define LOAD(a, b, v)  v = 0
#endif

    switch (view->type()) {
      case Scalar::Uint8:
      case Scalar::Uint8Clamped: {
          uint8_t v;
          LOAD(uint8_t, (uint8_t*)view->viewData() + offset, v);
          r.setInt32(v);
          return true;
      }
      case Scalar::Int8: {
          int8_t v;
          LOAD(int8_t, (int8_t*)view->viewData() + offset, v);
          r.setInt32(v);
          return true;
      }
      case Scalar::Int16: {
          int16_t v;
          LOAD(int16_t, (int16_t*)view->viewData() + offset, v);
          r.setInt32(v);
          return true;
      }
      case Scalar::Uint16: {
          uint16_t v;
          LOAD(uint16_t, (uint16_t*)view->viewData() + offset, v);
          r.setInt32(v);
          return true;
      }
      case Scalar::Int32: {
          int32_t v;
          LOAD(int32_t, (int32_t*)view->viewData() + offset, v);
          r.setInt32(v);
          return true;
      }
      case Scalar::Uint32: {
          uint32_t v;
          LOAD(uint32_t, (uint32_t*)view->viewData() + offset, v);
          r.setNumber(v);
          return true;
      }
      default:
          return ReportBadArrayType(cx);
    }

#undef LOAD

}

开发者ID:ashishrana7，项目名称:firefox，代码行数:83，代码来源:AtomicsObject.cpp

注：本文中的MutableHandleValue::setInt32方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。