Function GetOffsetAttribute

CoreLib/SymbolMapper.cpp:239–271

}

std::optional<int> GetOffsetAttribute(tinyxml2::XMLElement* ele, Pattern const& pattern, char const* name)
{
    char const* value{ nullptr };
    auto e = ele->QueryStringAttribute(name, &value);
    if (e != tinyxml2::XML_SUCCESS) {
        return {};
    }

    if (*value == '@') {
        auto offset = pattern.GetAnchor(value + 1);
        if (!offset) {
            ERR("Invalid anchor reference in XML attribute '%s': '%s'", name, value);
            return {};
        } else {
            return (int)*offset;
        }
    }

    std::size_t readSize{ 0 };
    int parsed;
    try {
        parsed = std::stoi(value, &readSize, 0);
    } catch (std::exception const& e) {
        ERR("Invalid offset value in XML attribute '%s': '%s' (%s)", name, value, e.what());
        return {};
    }

    if (readSize != strlen(value)) {
        ERR("Invalid offset value in XML attribute '%s': '%s' (garbage found at end of string)", name, value);
    }

    return parsed;
}

void SymbolMappingLoader::AddKnownModule(std::string const& name)
{