Method setDiscriminatorTemp

erpcgen/src/CGenerator.cpp:3367–3434

}

bool CGenerator::setDiscriminatorTemp(UnionType *unionType, StructType *structType, StructMember *structMember,
                                      bool isFunctionParam, data_map &templateData)
{
    bool needTempVariableI32 = false;
    if (structType)
    {
        string discriminatorName;
        Symbol *disSymbol;

        if (unionType->isNonEncapsulatedUnion())
        {
            discriminatorName = getAnnStringValue(structMember, DISCRIMINATOR_ANNOTATION);
            disSymbol = m_globals->getSymbol(discriminatorName, false);
            if (isFunctionParam || disSymbol)
            {
                templateData["dataLiteral"] = "";
            }
            else
            {
                templateData["dataLiteral"] = "data->";
            }
        }
        else
        {
            disSymbol = nullptr;
            templateData["dataLiteral"] = "data->";
            discriminatorName = unionType->getDiscriminatorName();
        }

        DataType *disType;
        if (disSymbol)
        {
            templateData["isConstant"] = true;
            ConstType *constType = dynamic_cast<ConstType *>(disSymbol);
            assert(constType);
            disType = constType->getDataType();
        }
        else
        {
            templateData["isConstant"] = false;
            disSymbol = structType->getScope().getSymbol(discriminatorName);
            assert(disSymbol);
            StructMember *disMember = dynamic_cast<StructMember *>(disSymbol);
            assert(disMember);
            disType = disMember->getDataType();
        }

        BuiltinType *disBuiltin = dynamic_cast<BuiltinType *>(disType->getTrueDataType());
        if (disBuiltin && disBuiltin->getBuiltinType() == BuiltinType::builtin_type_t::kInt32Type)
        {
            templateData["castDiscriminator"] = false;
        }
        else
        {
            needTempVariableI32 = true;
            templateData["castDiscriminator"] = true;
            templateData["discriminatorType"] = disType->getName();
        }