當前位置: 首頁>>代碼示例>>C++>>正文

C++ ARGUMENTS函數代碼示例

本文整理匯總了C++中ARGUMENTS函數的典型用法代碼示例。如果您正苦於以下問題：C++ ARGUMENTS函數的具體用法？C++ ARGUMENTS怎麽用？C++ ARGUMENTS使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了ARGUMENTS函數的13個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C++代碼示例。

示例1: PROBE_STACK

    Var SIMDInt32x4Lib::EntryFromFloat32x4(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);
        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count >= 2 && JavascriptSIMDFloat32x4::Is(args[1]))
        {
            JavascriptSIMDFloat32x4 *instance = JavascriptSIMDFloat32x4::FromVar(args[1]);
            Assert(instance);
            bool throws = false;
            SIMDValue result = SIMDInt32x4Operation::OpFromFloat32x4(instance->GetValue(), throws);

            // out of range
            if (throws)
            {
                JavascriptError::ThrowRangeError(scriptContext, JSERR_ArgumentOutOfRange, _u("SIMD.Int32x4.FromFloat32x4"));
            }
            return JavascriptSIMDInt32x4::New(&result, scriptContext);
        }
        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdInt32x4TypeMismatch, _u("fromFloat32x4"));
    }
開發者ID:280185386，項目名稱:ChakraCore，代碼行數:25，代碼來源:SIMDInt32x4Lib.cpp

示例2: PROBE_STACK

    Var JavascriptSIMDFloat64x2::EntryToString(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count == 0 || JavascriptOperators::GetTypeId(args[0]) != TypeIds_SIMDFloat64x2)
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_This_NeedSimd, L"SIMDFloat64x2.toString");
        }

        JavascriptSIMDFloat64x2 *instance = JavascriptSIMDFloat64x2::FromVar(args[0]);
        Assert(instance);

        wchar_t stringBuffer[SIMD_STRING_BUFFER_MAX];
        SIMDValue value = instance->GetValue();

        JavascriptSIMDFloat64x2::ToStringBuffer(value, stringBuffer, SIMD_STRING_BUFFER_MAX);

        JavascriptString* string = JavascriptString::NewCopySzFromArena(stringBuffer, scriptContext, scriptContext->GeneralAllocator());

        return string;
    }
開發者ID:Rootkitsmm，項目名稱:ChakraCore，代碼行數:27，代碼來源:JavascriptSimdFloat64x2.cpp

示例3: PROBE_STACK

    Var DataView::EntrySetFloat64(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();
        BOOL isLittleEndian = FALSE;

        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count == 0 || !DataView::Is(args[0]))
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_This_NeedDataView);
        }
        if (args.Info.Count < 3)
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_DataView_NeedArgument,  L"offset or value");
        }
        DataView* dataView = DataView::FromVar(args[0]);
        uint32 offset = JavascriptConversion::ToUInt32(args[1], scriptContext);
        double value = JavascriptConversion::ToNumber(args[2], scriptContext);
        if (args.Info.Count > 3)
        {
            isLittleEndian = JavascriptConversion::ToBoolean(args[3], scriptContext);
        }
        dataView->SetValue<double>(offset, value, L"DataView.prototype.SetFloat64", isLittleEndian);
        return scriptContext->GetLibrary()->GetUndefined();
    }
開發者ID:EdwardBetts，項目名稱:spidernode，代碼行數:28，代碼來源:dataview.cpp

示例4: AsmJsChangeHeapBuffer

    Var AsmJsChangeHeapBuffer(RecyclableObject * function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        Assert(!(callInfo.Flags & CallFlags_New));

        if (args.Info.Count < 1 || !ArrayBuffer::Is(args[1]))
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_NeedArrayBufferObject);
        }


        ArrayBuffer* newArrayBuffer = ArrayBuffer::FromVar(args[1]);
        if (newArrayBuffer->IsDetached() || newArrayBuffer->GetByteLength() & 0xffffff || newArrayBuffer->GetByteLength() <= 0xffffff || newArrayBuffer->GetByteLength() > 0x80000000)
        {
            return JavascriptBoolean::ToVar(FALSE, scriptContext);
        }
        FrameDisplay* frame = ((ScriptFunction*)function)->GetEnvironment();
        Var* moduleArrayBuffer = (Var*)frame->GetItem(0) + AsmJsModuleMemory::MemoryTableBeginOffset;
        *moduleArrayBuffer = newArrayBuffer;
        return JavascriptBoolean::ToVar(TRUE, scriptContext);
    }
開發者ID:boingoing，項目名稱:ChakraCore，代碼行數:25，代碼來源:AsmJSUtils.cpp

示例5: PROBE_STACK

    Var JavascriptWeakSet::EntryHas(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        if (!JavascriptWeakSet::Is(args[0]))
        {
            JavascriptError::ThrowTypeErrorVar(scriptContext, JSERR_NeedObjectOfType, _u("WeakSet.prototype.has"), _u("WeakSet"));
        }

        JavascriptWeakSet* weakSet = JavascriptWeakSet::FromVar(args[0]);

        Var key = (args.Info.Count > 1) ? args[1] : scriptContext->GetLibrary()->GetUndefined();
        bool hasValue = false;

        if (JavascriptOperators::IsObject(key) && JavascriptOperators::GetTypeId(key) != TypeIds_HostDispatch)
        {
            DynamicObject* keyObj = DynamicObject::FromVar(key);

            hasValue = weakSet->Has(keyObj);
        }

        return scriptContext->GetLibrary()->CreateBoolean(hasValue);
    }
開發者ID:RexSong，項目名稱:ChakraCore，代碼行數:26，代碼來源:JavascriptWeakSet.cpp

示例6: PROBE_STACK

    Var SIMDUint16x8Lib::EntrySubSaturate(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));

        // If any of the args are missing, then it is Undefined type which causes TypeError exception.
        // strict type on both operands
        if (args.Info.Count >= 3 && JavascriptSIMDUint16x8::Is(args[1]) && JavascriptSIMDUint16x8::Is(args[2]))
        {
            JavascriptSIMDUint16x8 *a = JavascriptSIMDUint16x8::FromVar(args[1]);
            JavascriptSIMDUint16x8 *b = JavascriptSIMDUint16x8::FromVar(args[2]);
            Assert(a && b);

            SIMDValue result, aValue, bValue;

            aValue = a->GetValue();
            bValue = b->GetValue();

            result = SIMDUint16x8Operation::OpSubSaturate(aValue, bValue);

            return JavascriptSIMDUint16x8::New(&result, scriptContext);
        }

        JavascriptError::ThrowTypeError(scriptContext, JSERR_SimdUint16x8TypeMismatch, _u("subSaturate"));
    }
開發者ID:AlexElting，項目名稱:ChakraCore，代碼行數:30，代碼來源:SimdUint16x8Lib.cpp

示例7: PROBE_STACK

    // Boolean.prototype.toString as described in ES6 spec (draft 24) 19.3.3.2
    Var JavascriptBoolean::EntryToString(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        AssertMsg(args.Info.Count, "Should always have implicit 'this'.");
        ScriptContext* scriptContext = function->GetScriptContext();

        Assert(!(callInfo.Flags & CallFlags_New));

        BOOL bval;
        Var aValue = args[0];
        if(JavascriptBoolean::Is(aValue))
        {
            bval = JavascriptBoolean::FromVar(aValue)->GetValue();
        }
        else if (JavascriptBooleanObject::Is(aValue))
        {
            JavascriptBooleanObject* booleanObject = JavascriptBooleanObject::FromVar(aValue);
            bval = booleanObject->GetValue();
        }
        else
        {
            return TryInvokeRemotelyOrThrow(EntryToString, scriptContext, args, JSERR_This_NeedBoolean, _u("Boolean.prototype.toString"));
        }

        return bval ? scriptContext->GetLibrary()->GetTrueDisplayString() : scriptContext->GetLibrary()->GetFalseDisplayString();
    }
開發者ID:AlexElting，項目名稱:ChakraCore，代碼行數:29，代碼來源:JavascriptBoolean.cpp

示例8: PROBE_STACK

    Var JavascriptReflect::EntryPreventExtensions(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();
        AUTO_TAG_NATIVE_LIBRARY_ENTRY(function, callInfo, _u("Reflect.preventExtensions"));

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        if (args.Info.Flags & CallFlags_New)
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_ErrorOnNew, _u("Reflect.preventExtensions"));
        }

        if (args.Info.Count < 2 || !JavascriptOperators::IsObject(args[1]))
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_FunctionArgument_NeedObject, _u("Reflect.preventExtensions"));
        }
        Var target = args[1];

        RecyclableObject* targetObj = RecyclableObject::FromVar(target);
        GlobalObject* globalObject = targetObj->GetLibrary()->GetGlobalObject();
        if (globalObject != targetObj && globalObject && (globalObject->ToThis() == targetObj))
        {
            globalObject->PreventExtensions();
        }

        return  scriptContext->GetLibrary()->GetTrueOrFalse(targetObj->PreventExtensions());
    }
開發者ID:280185386，項目名稱:ChakraCore，代碼行數:29，代碼來源:JavascriptReflect.cpp

示例9: PROBE_STACK

    Var JavascriptSet::EntryForEach(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();
        AUTO_TAG_NATIVE_LIBRARY_ENTRY(function, callInfo, _u("Set.prototype.forEach"));

        if (!JavascriptSet::Is(args[0]))
        {
            JavascriptError::ThrowTypeErrorVar(scriptContext, JSERR_NeedObjectOfType, _u("Set.prototype.forEach"), _u("Set"));
        }

        JavascriptSet* set = JavascriptSet::FromVar(args[0]);


        if (args.Info.Count < 2 || !JavascriptConversion::IsCallable(args[1]))
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_FunctionArgument_NeedFunction, _u("Set.prototype.forEach"));
        }
        RecyclableObject* callBackFn = RecyclableObject::FromVar(args[1]);

        Var thisArg = (args.Info.Count > 2) ? args[2] : scriptContext->GetLibrary()->GetUndefined();

        auto iterator = set->GetIterator();

        while (iterator.Next())
        {
            Var value = iterator.Current();

            CALL_FUNCTION(callBackFn, CallInfo(CallFlags_Value, 4), thisArg, value, value, args[0]);
        }

        return scriptContext->GetLibrary()->GetUndefined();
    }
開發者ID:thiagolimaa，項目名稱:ChakraCore，代碼行數:35，代碼來源:JavascriptSet.cpp

示例10: PROBE_STACK

    Var SharedArrayBuffer::NewInstance(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");

        Var newTarget = callInfo.Flags & CallFlags_NewTarget ? args.Values[args.Info.Count] : args[0];
        bool isCtorSuperCall = (callInfo.Flags & CallFlags_New) && newTarget != nullptr && !JavascriptOperators::IsUndefined(newTarget);
        Assert(isCtorSuperCall || !(callInfo.Flags & CallFlags_New) || args[0] == nullptr);

        if (!(callInfo.Flags & CallFlags_New) || (newTarget && JavascriptOperators::IsUndefinedObject(newTarget)))
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_ClassConstructorCannotBeCalledWithoutNew, _u("SharedArrayBuffer"));
        }

        uint32 byteLength = 0;
        if (args.Info.Count > 1)
        {
            byteLength = GetByteLengthFromVar(scriptContext, args[1]);
        }

        RecyclableObject* newArr = scriptContext->GetLibrary()->CreateSharedArrayBuffer(byteLength);

        return isCtorSuperCall ?
            JavascriptOperators::OrdinaryCreateFromConstructor(RecyclableObject::FromVar(newTarget), newArr, nullptr, scriptContext) :
            newArr;
    }
開發者ID:sankha93，項目名稱:ChakraCore，代碼行數:30，代碼來源:SharedArrayBuffer.cpp

示例11: PROBE_STACK

    Var JavascriptWeakMap::EntryGet(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        if (!JavascriptWeakMap::Is(args[0]))
        {
            JavascriptError::ThrowTypeErrorVar(scriptContext, JSERR_NeedObjectOfType, _u("WeakMap.prototype.get"), _u("WeakMap"));
        }

        JavascriptWeakMap* weakMap = JavascriptWeakMap::FromVar(args[0]);

        Var key = (args.Info.Count > 1) ? args[1] : scriptContext->GetLibrary()->GetUndefined();

        if (JavascriptOperators::IsObject(key) && JavascriptOperators::GetTypeId(key) != TypeIds_HostDispatch)
        {
            DynamicObject* keyObj = DynamicObject::FromVar(key);
            Var value = nullptr;

            if (weakMap->Get(keyObj, &value))
            {
                return value;
            }
        }

        return scriptContext->GetLibrary()->GetUndefined();
    }
開發者ID:AlexElting，項目名稱:ChakraCore，代碼行數:29，代碼來源:JavascriptWeakMap.cpp

示例12: PROBE_STACK

    Var JavascriptSIMDUint16x8::EntryToString(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        ScriptContext* scriptContext = function->GetScriptContext();

        AssertMsg(args.Info.Count > 0, "Should always have implicit 'this'");
        Assert(!(callInfo.Flags & CallFlags_New));
        if (args.Info.Count == 0 || JavascriptOperators::GetTypeId(args[0]) != TypeIds_SIMDUint16x8)
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_This_NeedSimd, L"SIMDUint16x8.toString");
        }

        JavascriptSIMDUint16x8* instance = JavascriptSIMDUint16x8::FromVar(args[0]);
        Assert(instance);

        wchar_t stringBuffer[1024];
        SIMDValue value = instance->GetValue();

        swprintf_s(stringBuffer, 1024, L"SIMD.Uint16x8(%u, %u, %u, %u, %u, %u, %u, %u)",
            value.u16[0], value.u16[1], value.u16[2], value.u16[3], value.u16[4], value.u16[5], value.u16[6], value.u16[7]);

        JavascriptString* string = JavascriptString::NewCopySzFromArena(stringBuffer, scriptContext, scriptContext->GeneralAllocator());

        return string;
    }
開發者ID:Cellule，項目名稱:ChakraCore，代碼行數:27，代碼來源:JavascriptSimdUint16x8.cpp

示例13: PROBE_STACK

    Var ObjectPrototypeObject::Entry__proto__getter(RecyclableObject* function, CallInfo callInfo, ...)
    {
        PROBE_STACK(function->GetScriptContext(), Js::Constants::MinStackDefault);

        ARGUMENTS(args, callInfo);
        Assert(!(callInfo.Flags & CallFlags_New));
        ScriptContext* scriptContext = function->GetScriptContext();

#if !FLOATVAR
        // Mark temp number will stack allocate number that is used as the object ptr.
        // So we should box it before call ToObject on it.
        Var arg0 = JavascriptNumber::BoxStackNumber(args[0], scriptContext);
#else
        Var arg0 = args[0];
#endif
        // B.2.2.1.1
        // get Object.prototype.__proto__
        // The value of the [[Get]] attribute is a built-in function that requires no arguments. It performs the following steps:

        // 1. Let O be ToObject(this value).
        // 2. ReturnIfAbrupt(O).
        RecyclableObject* object;
        if (args.Info.Count < 1 || !JavascriptConversion::ToObject(arg0, scriptContext, &object))
        {
            JavascriptError::ThrowTypeError(scriptContext, JSERR_This_NeedObject, _u("Object.prototype.__proto__"));
        }

        // 3. Return O.[[GetPrototypeOf]]().
        return JavascriptObject::GetPrototypeOf(object, scriptContext);
    }
開發者ID:Rastaban，項目名稱:ChakraCore，代碼行數:30，代碼來源:ObjectPrototypeObject.cpp


注：本文中的ARGUMENTS函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。