Method CalcVariantExpression

library/cpp/expression/expression.cpp:716–862

}

TExpressionVariable TExpressionImpl::CalcVariantExpression(const IExpressionAdaptor& data) const {
    TVector<TExpressionVariable> values(Operations.size());
    TExpressionVariable v;
    for (size_t i = Operations.size(); i > 0; --i) {
        switch (Operations[i - 1].Oper) {
            case O_CONST:
                values[i - 1] = Consts[Operations[i - 1].Input.front()];
                break;
            case O_TOKEN:
                if (data.FindValue(Tokens[Operations[i - 1].Input.front()], v))
                    values[i - 1] = v;
                else
                    values[i - 1] = Tokens[Operations[i - 1].Input.front()];
                break;
            case O_IS_TOKEN:
                values[i - 1] = data.FindValue(Tokens[Operations[i - 1].Input.front()], v) ? 1.0 : 0.0;
                break;
            case O_NOT:
                values[i - 1] = values[Operations[i - 1].Input.front()].Not();
                break;
            case O_MINUS:
                values[i - 1] = values[Operations[i - 1].Input.front()].Minus();
                break;
            case O_MIN:
                values[i - 1] = values[Operations[i - 1].Input.front()].Min(values[Operations[i - 1].Input.back()]);
                break;
            case O_MAX:
                values[i - 1] = values[Operations[i - 1].Input.front()].Max(values[Operations[i - 1].Input.back()]);
                break;
            case O_HISTOGRAM_PERCENTILE:
                values[i - 1] = values[Operations[i - 1].Input.front()].HistogramPercentile(values[Operations[i - 1].Input.back()]);
                break;
            case O_OR:
                values[i - 1] = values[Operations[i - 1].Input.front()].Or(values[Operations[i - 1].Input.back()]);
                break;
            case O_AND:
                values[i - 1] = values[Operations[i - 1].Input.front()].And(values[Operations[i - 1].Input.back()]);
                break;
            case O_COND:
                values[i - 1] = values[Operations[i - 1].Input[0]].Cond(
                    values[Operations[i - 1].Input[1]],
                    values[Operations[i - 1].Input[2]]
                );
                break;
            case O_STR_COND:
                values[i - 1] = values[Operations[i - 1].Input[0]].StrCond(
                    values[Operations[i - 1].Input[1]],
                    values[Operations[i - 1].Input[2]]
                );
                break;
            case O_LE:
                values[i - 1] = values[Operations[i - 1].Input.front()].Le(values[Operations[i - 1].Input.back()]);
                break;
            case O_L:
                values[i - 1] = values[Operations[i - 1].Input.front()].L(values[Operations[i - 1].Input.back()]);
                break;
            case O_GE:
                values[i - 1] = values[Operations[i - 1].Input.front()].Ge(values[Operations[i - 1].Input.back()]);