Esempio n. 1
0
bool get_goto_modelt::operator()(const std::vector<std::string> &files)
{
  if(files.empty())
  {
    error() << "Please provide a program" << eom;
    return true;
  }

  try
  {
    std::vector<std::string> binaries, sources;
    binaries.reserve(files.size());
    sources.reserve(files.size());

    for(const auto &file : files)
    {
      if(is_goto_binary(file))
        binaries.push_back(file);
      else
        sources.push_back(file);
    }

    if(!sources.empty())
    {
      language_filest language_files;

      language_files.set_message_handler(get_message_handler());

      for(const auto &filename : sources)
      {
        #ifdef _MSC_VER
        std::ifstream infile(widen(filename));
        #else
        std::ifstream infile(filename);
        #endif

        if(!infile)
        {
          error() << "failed to open input file `" << filename
                  << '\'' << eom;
          return true;
        }

        std::pair<language_filest::file_mapt::iterator, bool>
          result=language_files.file_map.insert(
            std::pair<std::string, language_filet>(filename, language_filet()));

        language_filet &lf=result.first->second;

        lf.filename=filename;
        lf.language=get_language_from_filename(filename);

        if(lf.language==NULL)
        {
          error("failed to figure out type of file", filename);
          return true;
        }

        languaget &language=*lf.language;
        language.set_message_handler(get_message_handler());

        status() << "Parsing " << filename << eom;

        if(language.parse(infile, filename))
        {
          error() << "PARSING ERROR" << eom;
          return true;
        }

        lf.get_modules();
      }

      status() << "Converting" << eom;

      if(language_files.typecheck(symbol_table))
      {
        error() << "CONVERSION ERROR" << eom;
        return true;
      }

      if(binaries.empty())
      {
        if(language_files.final(symbol_table))
        {
          error() << "CONVERSION ERROR" << eom;
          return true;
        }
      }
    }

    for(const auto &file : binaries)
    {
      status() << "Reading GOTO program from file" << eom;

      if(read_object_and_link(file, *this, get_message_handler()))
        return true;
    }

    if(!binaries.empty())
      config.set_from_symbol_table(symbol_table);

    status() << "Generating GOTO Program" << eom;

    goto_convert(symbol_table,
                 goto_functions,
                 get_message_handler());
  }
Esempio n. 2
0
int cbmc_parse_optionst::get_goto_program(
  const optionst &options,
  bmct &bmc, // for get_modules
  goto_functionst &goto_functions)
{
  if(cmdline.args.empty())
  {
    error() << "Please provide a program to verify" << eom;
    return 6;
  }

  try
  {
    if(cmdline.isset("show-parse-tree"))
    {
      if(cmdline.args.size()!=1 ||
         is_goto_binary(cmdline.args[0]))
      {
        error() << "Please give exactly one source file" << eom;
        return 6;
      }
      
      std::string filename=cmdline.args[0];
      
      #ifdef _MSC_VER
      std::ifstream infile(widen(filename).c_str());
      #else
      std::ifstream infile(filename.c_str());
      #endif
                
      if(!infile)
      {
        error() << "failed to open input file `" << filename << "'" << eom;
        return 6;
      }
                              
      languaget *language=get_language_from_filename(filename);
      
      if(language==NULL)
      {
        error() << "failed to figure out type of file `" <<  filename << "'" << eom;
        return 6;
      }
      
      language->set_message_handler(get_message_handler());
                                                                
      status("Parsing", filename);
  
      if(language->parse(infile, filename))
      {
        error() << "PARSING ERROR" << eom;
        return 6;
      }
      
      language->show_parse(std::cout);
      return 0;
    }

    cmdlinet::argst binaries;
    binaries.reserve(cmdline.args.size());

    for(cmdlinet::argst::iterator
        it=cmdline.args.begin();
        it!=cmdline.args.end();
        ) // no ++it
    {
      if(is_goto_binary(*it))
      {
        binaries.push_back(*it);
        it=cmdline.args.erase(it);
        continue;
      }

      ++it;
    }

    if(!cmdline.args.empty())
    {
      if(parse()) return 6;
      if(typecheck()) return 6;
      int get_modules_ret=get_modules(bmc);
      if(get_modules_ret!=-1) return get_modules_ret;
      if(binaries.empty() && final()) return 6;

      // we no longer need any parse trees or language files
      clear_parse();
    }

    for(cmdlinet::argst::const_iterator
        it=binaries.begin();
        it!=binaries.end();
        ++it)
    {
      status() << "Reading GOTO program from file " << eom;

      if(read_object_and_link(*it, symbol_table, goto_functions, *this))
        return 6;
    }

    if(!binaries.empty())
      config.set_from_symbol_table(symbol_table);

    if(cmdline.isset("show-symbol-table"))
    {
      show_symbol_table();
      return 0;
    }

    if(entry_point(symbol_table, "main", get_message_handler()))
      return 6;

    status() << "Generating GOTO Program" << eom;

    goto_convert(symbol_table, goto_functions, ui_message_handler);

    if(process_goto_program(options, goto_functions))
      return 6;
  }

  catch(const char *e)
  {
    error() << e << eom;
    return 6;
  }

  catch(const std::string e)
  {
    error() << e << eom;
    return 6;
  }
  
  catch(int)
  {
    return 6;
  }
  
  catch(std::bad_alloc)
  {
    error() << "Out of memory" << eom;
    return 6;
  }
  
  return -1; // no error, continue
}