C++ (Cpp) jsAddSlowCase示例

示例#1

EncodedJSValue JIT_OPERATION operationValueAddNotNumber(ExecState* exec, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2)
{
    VM* vm = &exec->vm();
    NativeCallFrameTracer tracer(vm, exec);
    
    JSValue op1 = JSValue::decode(encodedOp1);
    JSValue op2 = JSValue::decode(encodedOp2);
    
    ASSERT(!op1.isNumber() || !op2.isNumber());
    
    if (op1.isString() && !op2.isObject())
        return JSValue::encode(jsString(exec, asString(op1), op2.toString(exec)));

    return JSValue::encode(jsAddSlowCase(exec, op1, op2));
}

示例#2

文件： DFGOperations.cpp 项目： sysrqb/chromium-src

EncodedJSValue DFG_OPERATION operationValueAddNotNumber(ExecState* exec, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2)
{
    JSValue op1 = JSValue::decode(encodedOp1);
    JSValue op2 = JSValue::decode(encodedOp2);
    
    ASSERT(!op1.isNumber() || !op2.isNumber());
    
    if (op1.isString()) {
        if (op2.isString())
            return JSValue::encode(jsString(exec, asString(op1), asString(op2)));
        return JSValue::encode(jsString(exec, asString(op1), op2.toPrimitiveString(exec)));
    }

    return JSValue::encode(jsAddSlowCase(exec, op1, op2));
}

示例#3

文件： DFGOperations.cpp 项目： AngelkPetkov/tijscore

EncodedTiValue operationValueAdd(TiExcState* exec, EncodedTiValue encodedOp1, EncodedTiValue encodedOp2)
{
    TiValue op1 = TiValue::decode(encodedOp1);
    TiValue op2 = TiValue::decode(encodedOp2);

    if (op1.isInt32() && op2.isInt32()) {
        int64_t result64 = static_cast<int64_t>(op1.asInt32()) + static_cast<int64_t>(op2.asInt32());
        int32_t result32 = static_cast<int32_t>(result64);
        if (LIKELY(result32 == result64))
            return TiValue::encode(jsNumber(result32));
        return TiValue::encode(jsNumber((double)result64));
    }

    double number1;
    double number2;
    if (op1.getNumber(number1) && op2.getNumber(number2))
        return TiValue::encode(jsNumber(number1 + number2));

    return TiValue::encode(jsAddSlowCase(exec, op1, op2));
}