C++ (Cpp) JSValue::toNumber Examples

Example #1

File: JSWebGLRenderingContextCustom.cpp Project: Treeeater/Chromium_on_windows

bool toVector(JSC::ExecState* exec, JSC::JSValue value, Vector<T, inlineCapacity>& vector)
{
    if (!value.isObject())
        return false;

    JSC::JSObject* object = asObject(value);
    int32_t length = object->get(exec, JSC::Identifier(exec, "length")).toInt32(exec);
    vector.resize(length);

    for (int32_t i = 0; i < length; ++i) {
        JSC::JSValue v = object->get(exec, i);
        if (exec->hadException())
            return false;
        vector[i] = static_cast<T>(v.toNumber(exec));
    }

    return true;
}

Example #2

File: JSWebGLRenderingContextBaseCustom.cpp Project: Comcast/WebKitForWayland

bool toVector(JSC::ExecState& state, JSC::JSValue value, Vector<T, inlineCapacity>& vector)
{
    if (!value.isObject())
        return false;
    
    JSC::JSObject* object = asObject(value);
    int32_t length = object->get(&state, state.vm().propertyNames->length).toInt32(&state);
    
    if (!vector.tryReserveCapacity(length))
        return false;
    vector.resize(length);
    
    for (int32_t i = 0; i < length; ++i) {
        JSC::JSValue v = object->get(&state, i);
        if (state.hadException())
            return false;
        vector[i] = static_cast<T>(v.toNumber(&state));
    }
    
    return true;
}

Example #3

File: JSCanvasRenderingContext3DCustom.cpp Project: Mr-Kumar-Abhishek/qt

void toArray(JSC::ExecState* exec, JSC::JSValue value, T*& array, int& size)
{
    array = 0;
    
    if (!value.isObject())
        return;
        
    JSC::JSObject* object = asObject(value);
    int length = object->get(exec, JSC::Identifier(exec, "length")).toInt32(exec);
    void* tempValues;
    if (!tryFastMalloc(length * sizeof(T)).getValue(tempValues))
        return;
    
    T* values = static_cast<T*>(tempValues);
    for (int i = 0; i < length; ++i) {
        JSC::JSValue v = object->get(exec, i);
        if (exec->hadException())
            return;
        values[i] = static_cast<T>(v.toNumber(exec));
    }

    array = values;
    size = length;
}

Example #4

File: JSFloat32ArrayCustom.cpp Project: dslab-epfl/warr

void JSFloat32Array::indexSetter(JSC::ExecState* exec, unsigned index, JSC::JSValue value)
{
    impl()->set(index, static_cast<float>(value.toNumber(exec)));
}

Example #5

File: JSFloat64Array.cpp Project: SchleunigerAG/WinEC7_Qt5.3.1_Fixes

void JSFloat64Array::indexSetter(JSC::ExecState* exec, unsigned index, JSC::JSValue value)
{
    impl()->set(index, value.toNumber(exec));
}