Method scanStructForAnnotations

erpcgen/src/CGenerator.cpp:3618–3690

}

void CGenerator::scanStructForAnnotations(StructType *currentStructType, bool isFunction)
{
    // go trough all structure members
    for (StructMember *structMember : currentStructType->getMembers())
    {
        DataType *memberType = structMember->getDataType()->getTrueDataType();
        /* Check non-encapsulated discriminated unions. */
        // looking for references
        Annotation *lengthAnn = findAnnotation(structMember, LENGTH_ANNOTATION);
        Annotation *maxLengthAnn = findAnnotation(structMember, MAX_LENGTH_ANNOTATION);
        if (lengthAnn)
        {
            checkIfAnnValueIsIntNumberOrIntType(lengthAnn, currentStructType);

            if (lengthAnn->getValueObject()->getType() != kIntegerValue)
            {
                StructMember *structMemberRef = NULL;

                // search in structure scope for member referenced with annotation
                Symbol *symbol =
                    currentStructType->getScope().getSymbol(lengthAnn->getValueObject()->toString(), false);
                if (symbol)
                {
                    structMemberRef = dynamic_cast<StructMember *>(symbol);
                    assert(structMemberRef);
                }

                // Verify both the data and length members are the same direction.
                if (!isFunction && structMemberRef && structMember->getDirection() != structMemberRef->getDirection())
                {
                    throw semantic_error(
                        format_string("orig line %d, ref line %d: The parameter named by a length annotation must be "
                                      "the same direction as the data parameter.",
                                      lengthAnn->getLocation().m_firstLine, structMember->getLocation().m_firstLine));
                }
                // Verify using max_length annotation when referenced variable is out.
                else if (isFunction && structMemberRef &&
                         structMemberRef->getDirection() == param_direction_t::kOutDirection &&
                         !findAnnotation(structMember, MAX_LENGTH_ANNOTATION))
                {
                    throw semantic_error(
                        format_string("orig line %d, ref line %d: The out parameter with set length annotation "
                                      "must have also set max_length annotation",
                                      lengthAnn->getLocation().m_firstLine, structMember->getLocation().m_firstLine));
                }
                // Verify using max_length annotation when referenced variable is inout.
                else if (isFunction && structMemberRef &&
                         structMember->getDirection() == param_direction_t::kInoutDirection &&
                         structMemberRef->getDirection() == param_direction_t::kInoutDirection &&
                         !findAnnotation(structMember, MAX_LENGTH_ANNOTATION))
                {
                    throw semantic_error(
                        format_string("orig line %d, ref line %d: The inout parameter named by a length annotation "
                                      "must have set max_length annotation",
                                      lengthAnn->getLocation().m_firstLine, structMember->getLocation().m_firstLine));
                }
            }