Method add_variable

plugins/binaryninja/dwarf-export/src/VarEngine.cpp:31–66

using namespace binaryninja;

dw::Variable* VarEngine::add_variable(const bn::DataVariable& var) {
  if (auto it = vars_.find(var.address); it != vars_.end()) {
    return it->second.get();
  }

  std::string name = fmt::format("data_{:04x}", var.address);
  bool is_external = false;
  if (bn::Ref<bn::Symbol> sym = bv_.GetSymbolByAddress(var.address)) {
    BNSymbolType type = sym->GetType();
    if (type == ExternalSymbol ||
        type == ImportedFunctionSymbol ||
        type == FunctionSymbol ||
        type == LibraryFunctionSymbol ||
        type == SymbolicFunctionSymbol
      )
    {
      return nullptr;
    }
    name = sym->GetFullName();
    BNSymbolBinding binding = sym->GetBinding();
    is_external = binding == GlobalBinding || binding == WeakBinding;
  }

  std::unique_ptr<dw::Variable> dw_var = unit_.create_variable(name);

  dw_var->set_addr(var.address);
  dw_var->set_type(types_.add_type(var.type->GetTypeName(), api_compat::get_type(var.type)));

  if (is_external) {
    dw_var->set_external();
  }

  return vars_.insert(
    {var.address, std::move(dw_var)}
  ).first->second.get();
}
}