Exemplo n.º 1
0
    void do_resolve (std::vector <std::string> const& names,
        HandlerType const& handler, CompletionCounter)
    {
        check_precondition (! names.empty());

        if (m_called_stop.load () == 0)
        {
            // TODO NIKB use emplace_back once we move to C++11
            m_work.push_back(Work(names, handler));

            m_journal.debug <<
                "Queued new job with " << names.size() <<
                " tasks. " << m_work.size() << " jobs outstanding.";

            if (m_work.size() == 1)
            {
                check_precondition (m_idle);

                m_journal.trace << "Waking up";
                m_idle = false;

                m_io_service.post (m_strand.wrap (boost::bind (
                    &NameResolverImpl::do_work, this,
                    CompletionCounter(this))));
            }
        }
    }
Exemplo n.º 2
0
    void resolve (
        std::vector <std::string> const& names,
        HandlerType const& handler)
    {
        check_precondition (m_called_stop.load () == 0);
        check_precondition (!names.empty());

        // TODO NIKB use rvalue references to construct and move
        //           reducing cost.
        m_io_service.dispatch (m_strand.wrap (boost::bind (
            &NameResolverImpl::do_resolve, this,
            names, handler, CompletionCounter(this))));
    }
Exemplo n.º 3
0
void summarizer_fwt::inline_summaries(const function_namet &function_name, 
				   local_SSAt &SSA, const exprt &precondition,
				   bool context_sensitive)
{
  for(local_SSAt::nodest::const_iterator n_it = SSA.nodes.begin();
      n_it != SSA.nodes.end(); n_it++)
  {
    for(local_SSAt::nodet::function_callst::const_iterator f_it = 
	  n_it->function_calls.begin();
        f_it != n_it->function_calls.end(); f_it++)
    {
      assert(f_it->function().id()==ID_symbol); //no function pointers
      if(!check_call_reachable(function_name,SSA,n_it,f_it,precondition,true)) 
      {
	continue;
      }

      if(!check_precondition(function_name,SSA,n_it,f_it,
			     precondition,context_sensitive))
      {
	exprt precondition_call = true_exprt();
	if(context_sensitive) 
	  precondition_call = compute_calling_context(
	    function_name,SSA,n_it,f_it,precondition,true);

	irep_idt fname = to_symbol_expr(f_it->function()).get_identifier();
	status() << "Recursively summarizing function " << fname << eom;
	compute_summary_rec(fname,precondition_call,context_sensitive);
	summaries_used++;
      }
    }
  }
}
Exemplo n.º 4
0
void summarizer_fw_termt::inline_summaries(
  const function_namet &function_name,
  local_SSAt &SSA, exprt precondition,
  bool context_sensitive,
  threevalt &calls_terminate,
  bool &has_function_calls)
{
  for(local_SSAt::nodest::iterator n_it=SSA.nodes.begin();
      n_it!=SSA.nodes.end(); n_it++)
  {
    for(local_SSAt::nodet::function_callst::iterator f_it=
          n_it->function_calls.begin();
        f_it!=n_it->function_calls.end(); f_it++)
    {
      assert(f_it->function().id()==ID_symbol); // no function pointers

      exprt::operandst c;
      c.push_back(precondition);
      get_assertions(SSA, c); // assertions as assumptions
      precondition=conjunction(c);

      if(!options.get_bool_option("competition-mode") &&
         !check_call_reachable(
           function_name, SSA, n_it, f_it, precondition, true))
        continue;

      has_function_calls=true;
      irep_idt fname=to_symbol_expr(f_it->function()).get_identifier();

      if(!check_precondition(
           function_name, SSA, n_it, f_it, precondition, context_sensitive))
      {
        exprt precondition_call=true_exprt();
        if(context_sensitive)
          precondition_call=compute_calling_context(
            function_name, SSA, n_it, f_it, precondition, true);

        status() << "Recursively summarizing function " << fname << eom;
        compute_summary_rec(fname, precondition_call, context_sensitive);
        summaries_used++;
      }

      // get information about callee termination
      if(summary_db.exists(fname) && summary_db.get(fname).terminates!=YES)
      {
        // cannot propagate NO
        // because call reachability might be over-approximating
        calls_terminate=UNKNOWN;
        break;
      }
    }
  }
}
Exemplo n.º 5
0
Error statement_imp::execute()
{
    Error error;

    check_precondition (m_stmt != nullptr);

    // ???
    m_bGotData = false;
    m_session.set_got_data(m_bGotData);

    // binds

    int iCol = 0;

    for (intos_t::iterator iter = m_intos.begin(); iter != m_intos.end(); ++iter)
        (*iter)->bind(*this, iCol);

    int iParam = 1;

    for (uses_t::iterator iter = m_uses.begin(); iter != m_uses.end(); ++iter)
        (*iter)->bind(*this, iParam);

    // reset
    error = detail::sqliteError(__FILE__, __LINE__, sqlite3_reset(m_stmt));

    if (!error)
    {
        // set input variables
        do_uses();

        m_bReady = true;
        m_bFirstTime = true;
    }

    return error;
}
Exemplo n.º 6
0
 ~NameResolverImpl ()
 {
     check_precondition (m_work.empty());
     check_precondition (m_stopped);
 }
Exemplo n.º 7
0
void standard_into_type::do_into()
{
    int colType = sqlite3_column_type(m_st->m_stmt, m_iCol);

    if (colType == SQLITE_NULL)
    {
        // null encountered with no indicator
        check_precondition (m_ind != nullptr);

        *m_ind = i_null;
    }
    else
    {
        if (m_ind)
            *m_ind = i_ok;

        switch (colType)
        {
        case SQLITE_INTEGER:
        {
            sqlite3_int64 v = sqlite3_column_int64(m_st->m_stmt, m_iCol);

            switch (m_type)
            {
            case x_bool:
                as<bool>(m_data) = v != 0;
                break;

            case x_char:
                integer_into<char>(m_data, v);
                break;

            case x_short:
                integer_into<short>(m_data, v);
                break;

            case x_int:
                integer_into<int>(m_data, v);
                break;

            case x_long:
                integer_into<long>(m_data, v);
                break;

            case x_int64:
                integer_into<int64>(m_data, v);
                break;

            case x_uchar:
                integer_into<unsigned char>(m_data, v);
                break;

            case x_ushort:
                integer_into<unsigned short>(m_data, v);
                break;

            case x_uint:
                integer_into<unsigned int>(m_data, v);
                break;

            case x_ulong:
                integer_into<unsigned long>(m_data, v);
                break;

            case x_uint64:
                integer_into<uint64>(m_data, v);
                break;

            case x_beastString:
                as <String> (m_data) = String(v);
                break;

            default:
                fatal_error ("unknown case");
            }
        }
        break;

        case SQLITE_FLOAT:
        {
            double v = sqlite3_column_double(m_st->m_stmt, m_iCol);

            switch (m_type)
            {
            case x_float:
                as<float>(m_data) = static_cast<float>(v);
                break;

            case x_double:
                as<double>(m_data) = v;
                break;

            case x_beastString:
                as <String> (m_data) = String(v);
                break;

            default:
                fatal_error ("unknown case");
            };
        }
        break;

        case SQLITE_TEXT:
        {
            switch (m_type)
            {
            case x_stdstring:
            {
                // excludes terminator
                int bytes = sqlite3_column_bytes(m_st->m_stmt, m_iCol);
                unsigned char const* v = sqlite3_column_text(m_st->m_stmt, m_iCol);
                std::string& result = as<std::string>(m_data);
                result.assign(reinterpret_cast<char const*>(v), bytes);
            }
            break;

            case x_stdwstring:
                fatal_error ("invalid case");
                break;

            case x_beastString:
            {
                // excludes terminator
                int bytes = sqlite3_column_bytes(m_st->m_stmt, m_iCol);

                const CharPointer_UTF8::CharType* c = reinterpret_cast
                                                      <const CharPointer_UTF8::CharType*>
                                                      (sqlite3_column_text(m_st->m_stmt, m_iCol));

                String& s = as <String> (m_data);
                s = String(CharPointer_UTF8(c), CharPointer_UTF8(c + bytes));
            }
            break;

            default:
            {
                sqlite3_int64 v = sqlite3_column_int64(m_st->m_stmt, m_iCol);

                switch (m_type)
                {
                case x_bool:
                    as<bool>(m_data) = v != 0;
                    break;

                case x_char:
                    integer_into<char>(m_data, v);
                    break;

                case x_short:
                    integer_into<short>(m_data, v);
                    break;

                case x_int:
                    integer_into<int>(m_data, v);
                    break;

                case x_long:
                    integer_into<long>(m_data, v);
                    break;

                case x_int64:
                    integer_into<int64>(m_data, v);
                    break;

                case x_uchar:
                    integer_into<unsigned char>(m_data, v);
                    break;

                case x_ushort:
                    integer_into<unsigned short>(m_data, v);
                    break;

                case x_uint:
                    integer_into<unsigned int>(m_data, v);
                    break;

                case x_ulong:
                    integer_into<unsigned long>(m_data, v);
                    break;

                case x_uint64:
                    integer_into<uint64>(m_data, v);
                    break;

                default:
                    fatal_error ("unknown case");
                }

            }
            break;
            };
        }
        break;

        case SQLITE_BLOB:
            fatal_error ("invalid case");

        default:
            fatal_error ("unknown case");
        };
    }

    convert_from_base();
}