Method dwarfGetScopesDie

src/pystack/_pystack/unwinder.cpp:167–179

// AbstractUnwinder

std::pair<int, AbstractUnwinder::Scopes>
AbstractUnwinder::dwarfGetScopesDie(Dwarf_Die* die) const
{
    const auto elem = d_dwarf_getscopes_die_cache.find(die->addr);
    if (elem == d_dwarf_getscopes_die_cache.cend()) {
        Dwarf_Die* the_scopes;
        int nscopes = dwarf_getscopes_die(die, &the_scopes);
        auto pair = std::make_pair(nscopes, Scopes(the_scopes, std::free));
        d_dwarf_getscopes_die_cache.emplace(die->addr, pair);
        return pair;
    }
    return elem->second;
}

std::pair<int, AbstractUnwinder::Scopes>
AbstractUnwinder::dwarfGetScopes(Dwarf_Die* cudie, Dwarf_Addr pc) const