Exemple #1
0
  public static Term plug(Map<String, Term> args, Context context) throws TransformerException {
    Configuration cfg = K.kompiled_cfg;
    ASTNode cfgCleanedNode = null;
    try {
      cfgCleanedNode = new ConfigurationCleaner(context).transform(cfg);
    } catch (TransformerException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    Term cfgCleaned;
    if (cfgCleanedNode == null) {
      cfgCleaned = Bag.EMPTY;
    } else {
      if (!(cfgCleanedNode instanceof Configuration)) {
        GlobalSettings.kem.register(
            new KException(
                ExceptionType.ERROR,
                KExceptionGroup.INTERNAL,
                "Configuration Cleaner failed.",
                cfg.getFilename(),
                cfg.getLocation()));
      }
      cfgCleaned = ((Configuration) cfgCleanedNode).getBody();
    }

    if (GlobalSettings.verbose) sw.printIntermediate("Plug configuration variables");

    Term configuration = (Term) cfgCleaned.accept(new SubstitutionFilter(args, context));
    configuration = (Term) configuration.accept(new Cell2Map(context));
    return configuration;
  }
Exemple #2
0
  /** @param cmds represents the arguments/options given to krun command.. */
  public static void execute_Krun(String cmds[]) {
    Context context = new Context();
    K.init(context);

    CommandlineOptions cmd_options = new CommandlineOptions();
    CommandLine cmd = cmd_options.parse(cmds);
    if (cmd == null) {
      printKRunUsageS(cmd_options);
      /* printKRunUsageE(cmd_options); */
      /* TODO: Switch to this when the user has tried to use an experimental option. */
      System.exit(1);
    }

    if (!cmd.hasOption("debug-info")) {
      Runtime.getRuntime()
          .addShutdownHook(
              new Thread() {
                public void run() {
                  try {
                    deleteDirectory(new File(K.krunTempDir));
                  } catch (IOException e) {
                    e.printStackTrace();
                  }
                }
              });
    }

    // set verbose
    if (cmd.hasOption("verbose")) {
      GlobalSettings.verbose = true;
    }

    // set fast-kast
    if (cmd.hasOption("fast-kast")) {
      GlobalSettings.fastKast = !GlobalSettings.fastKast;
    }

    if (GlobalSettings.verbose) sw.printIntermediate("Deleting temporary krun directory");

    try {

      // Parse the program arguments

      if (cmd.hasOption("search")
          || cmd.hasOption("search-final")
          || cmd.hasOption("search-all")
          || cmd.hasOption("search-one-step")
          || cmd.hasOption("search-one-or-more-steps")) {
        K.maude_cmd = "search";
        K.io = false;
        K.do_search = true;
        if (cmd.hasOption("search") && cmd.hasOption("depth")) {
          K.searchType = SearchType.STAR;
        }
      }
      if (cmd.hasOption("search-final")) {
        K.searchType = SearchType.FINAL;
      }
      if (cmd.hasOption("search-all")) {
        K.searchType = SearchType.STAR;
      }
      if (cmd.hasOption("search-one-step")) {
        K.searchType = SearchType.ONE;
      }
      if (cmd.hasOption("search-one-or-more-steps")) {
        K.searchType = SearchType.PLUS;
      }
      if (cmd.hasOption("help")) {
        K.help = true;
      }
      if (cmd.hasOption("help-experimental")) {
        K.helpExperimental = true;
      }
      if (cmd.hasOption("version")) {
        K.version = true;
      }
      // CLEANUP_OPTIONS: The option --directory was added, replacing --k-definition and
      // --compiled-def.
      if (cmd.hasOption("directory")) {
        K.directory = new File(cmd.getOptionValue("directory")).getCanonicalPath();
        org.kframework.utils.Error.checkIfInputDirectory(K.directory);
      }
      if (cmd.hasOption("main-module")) {
        K.main_module = cmd.getOptionValue("main-module");
      }
      if (cmd.hasOption("syntax-module")) {
        K.syntax_module = cmd.getOptionValue("syntax-module");
      }
      if (cmd.hasOption("parser")) {
        K.customParser = cmd.getOptionValue("parser");
      }
      if (cmd.hasOption("term")) {
        K.term = cmd.getOptionValue("term");
      }
      if (cmd.hasOption("io")) {
        String v = cmd.getOptionValue("io");
        if (v.equals("on")) K.io = true;
        else if (v.equals("off")) K.io = false;
        else Error.report("Unrecognized option: --io " + v + "\nUsage: krun --io [on|off]");
      }
      if (cmd.hasOption("statistics")) {
        String v = cmd.getOptionValue("statistics");
        if (v.equals("on")) K.statistics = true;
        else if (v.equals("off")) K.statistics = false;
        else
          Error.report(
              "Unrecognized option: --statistics " + v + "\nUsage: krun --statistics [on|off]");
      }
      if (cmd.hasOption("color")) {
        String v = cmd.getOptionValue("color");
        if (v.equals("on")) K.color = ColorSetting.ON;
        else if (v.equals("off")) K.color = ColorSetting.OFF;
        else if (v.equals("extended")) K.color = ColorSetting.EXTENDED;
        else
          Error.report(
              "Unrecognized option: --color " + v + "\nUsage: krun --color [on|off|extended]");
      }
      if (cmd.hasOption("terminal-color")) {
        String v = cmd.getOptionValue("terminal-color");
        Color terminalColor = ColorUtil.getColorByName(v);
        if (terminalColor != null) {
          K.terminalColor = terminalColor;
        } else {
          Error.report("Invalid terminal color: " + v);
        }
      }

      if (cmd.hasOption("parens")) {
        String v = cmd.getOptionValue("parens");
        if (v.equals("greedy")) {
          K.parens = true;
        } else if (v.equals("smart")) {
          K.parens = false;
        } else {
          Error.report(
              "Unrecognized option: --parens " + v + "\nUsage: krun --parens [greedy|smart]");
        }
      }

      // testcase generation
      if (cmd.hasOption("generate-tests")) {
        K.do_testgen = true;
        K.io = false;
        K.do_search = true;
      }
      if (cmd.hasOption("maude-cmd")) {
        K.maude_cmd = cmd.getOptionValue("maude-cmd");
      }
      /*
       * if (cmd.hasOption("xsearch-pattern")) { K.maude_cmd = "search";
       * K.do_search = true; K.xsearch_pattern =
       * cmd.getOptionValue("xsearch-pattern"); //
       * System.out.println("xsearch-pattern:" + K.xsearch_pattern); }
       */
      if (cmd.hasOption("pattern")) {
        K.pattern = cmd.getOptionValue("pattern");
      }
      if (cmd.hasOption("bound")) {
        K.bound = cmd.getOptionValue("bound");
      }
      if (cmd.hasOption("depth")) {
        K.depth = cmd.getOptionValue("depth");
      }
      if (cmd.hasOption("graph")) {
        K.showSearchGraph = true;
      }
      if (cmd.hasOption("output-mode")) {
        K.output_mode = cmd.getOptionValue("output-mode");
      }
      if (cmd.hasOption("log-io")) {
        String v = cmd.getOptionValue("log-io");
        if (v.equals("on")) K.log_io = true;
        else if (v.equals("off")) K.log_io = false;
        else Error.report("Unrecognized option: --log-io " + v + "\nUsage: krun --log-io [on|off]");
      }
      if (cmd.hasOption("debug")) {
        K.debug = true;
      }
      if (cmd.hasOption("debug-gui")) {
        K.guidebug = true;
      }
      if (cmd.hasOption("trace")) {
        K.trace = true;
      }
      if (cmd.hasOption("profile")) {
        K.profile = true;
      }
      if (cmd.hasOption("ltlmc")) {
        K.model_checking = cmd.getOptionValue("ltlmc");
      }
      if (cmd.hasOption("prove")) {
        K.prove = cmd.getOptionValue("prove");
      }
      if (cmd.hasOption("smt")) {
        K.smt = cmd.getOptionValue("smt");
      }
      if (cmd.hasOption("output")) {
        if (!cmd.hasOption("color")) {
          K.color = ColorSetting.OFF;
        }
        K.output = new File(cmd.getOptionValue("output")).getCanonicalPath();
      }
      if (cmd.hasOption("c")) {

        if (K.term != null) {
          Error.report("You cannot specify both the term and the configuration\nvariables.");
        }

        K.configuration_variables = cmd.getOptionProperties("c");
        String parser = null;
        for (Option opt : cmd.getOptions()) {
          if (opt.equals(cmd_options.getOptions().getOption("c")) && parser != null) {
            K.cfg_parsers.setProperty(opt.getValue(0), parser);
          }
          if (opt.equals(cmd_options.getOptions().getOption("cfg-parser"))) {
            parser = opt.getValue();
          }
        }
      }
      if (cmd.hasOption("backend")) {
        K.backend = cmd.getOptionValue("backend");
      }
      // printing the output according to the given options
      if (K.help) {
        printKRunUsageS(cmd_options);
        System.exit(0);
      }
      if (K.helpExperimental) {
        printKRunUsageE(cmd_options);
        System.exit(0);
      }
      if (K.version) {
        String msg = FileUtil.getFileContent(KPaths.getKBase(false) + KPaths.VERSION_FILE);
        System.out.println(msg);
        System.exit(0);
      }

      String[] remainingArguments = null;
      if (cmd_options.getCommandLine().getOptions().length > 0) {
        remainingArguments = cmd.getArgs();
      } else {
        remainingArguments = cmds;
      }
      String programArg = new String();
      if (remainingArguments.length > 0) {
        programArg = remainingArguments[0];
        K.pgm = programArg;
      }
      String lang = null;
      if (K.pgm != null) {
        File pgmFile = new File(K.pgm);
        if (pgmFile.exists()) {
          lang = FileUtil.getExtension(K.pgm, ".", K.fileSeparator);
        }
      }

      if (GlobalSettings.verbose) sw.printIntermediate("Parsing command line options");

      /* CLEANUP_OPTIONS */
      if (!cmd.hasOption("directory")) {
        K.directory = new File(K.userdir).getCanonicalPath();
      }
      {
        // search for the definition
        File[] dirs =
            new File(K.directory)
                .listFiles(
                    new FilenameFilter() {
                      @Override
                      public boolean accept(File current, String name) {
                        return new File(current, name).isDirectory();
                      }
                    });

        K.compiled_def = null;
        for (int i = 0; i < dirs.length; i++) {
          if (dirs[i].getAbsolutePath().endsWith("-kompiled")) {
            if (K.compiled_def != null) {
              String msg = "Multiple compiled definitions found.";
              GlobalSettings.kem.register(
                  new KException(
                      ExceptionType.ERROR,
                      KExceptionGroup.CRITICAL,
                      msg,
                      "command line",
                      new File(".").getAbsolutePath()));
            } else {
              K.compiled_def = dirs[i].getAbsolutePath();
            }
          }
        }

        if (K.compiled_def == null) {
          String msg = "Could not find a compiled definition.";
          GlobalSettings.kem.register(
              new KException(
                  ExceptionType.ERROR,
                  KExceptionGroup.CRITICAL,
                  msg,
                  "command line",
                  new File(".").getAbsolutePath()));
        }
      }

      if (K.compiled_def == null) {
        Error.report(
            "Could not find a compiled K definition. Please ensure that\neither a compiled K definition exists in the current directory with its default\nname, or that --directory has been specified.");
      }
      File compiledFile = new File(K.compiled_def);
      if (!compiledFile.exists()) {
        Error.report(
            "\nCould not find compiled definition: "
                + K.compiled_def
                + "\nPlease compile the definition by using `kompile'.");
      }

      context.dotk = new File(new File(K.compiled_def).getParent() + File.separator + ".k");
      if (!context.dotk.exists()) {
        context.dotk.mkdirs();
      }
      context.kompiled = new File(K.compiled_def);
      K.kdir = context.dotk.getCanonicalPath();
      K.setKDir();
      /*
       * System.out.println("K.k_definition=" + K.k_definition);
       * System.out.println("K.syntax_module=" + K.syntax_module);
       * System.out.println("K.main_module=" + K.main_module);
       * System.out.println("K.compiled_def=" + K.compiled_def);
       */

      if (GlobalSettings.verbose) sw.printIntermediate("Checking compiled definition");

      // in KAST variable we obtain the output from running kast process
      // on a program defined in K
      Term KAST = null;
      RunProcess rp = new RunProcess();

      if (!context.initialized) {
        String path = K.compiled_def + "/defx-" + K.backend + ".bin";
        Definition javaDef;
        if (new File(path).exists()) {
          javaDef = (Definition) BinaryLoader.load(K.compiled_def + "/defx-" + K.backend + ".bin");
        } else {
          GlobalSettings.kem.register(
              new KException(
                  ExceptionType.ERROR,
                  KExceptionGroup.CRITICAL,
                  "Could not find compiled definition for backend '"
                      + K.backend
                      + "'.\n"
                      + "Please ensure this backend has been kompiled."));
          throw new AssertionError("unreachable");
        }

        if (GlobalSettings.verbose) sw.printIntermediate("Reading definition from binary");

        // This is essential for generating maude
        javaDef = new FlattenModules(context).compile(javaDef, null);

        if (GlobalSettings.verbose) sw.printIntermediate("Flattening modules");

        try {
          javaDef = (Definition) javaDef.accept(new AddTopCellConfig(context));
        } catch (TransformerException e) {
          e.report();
        }

        if (GlobalSettings.verbose) sw.printIntermediate("Adding top cell to configuration");

        javaDef.preprocess(context);

        if (GlobalSettings.verbose) sw.printIntermediate("Preprocessing definition");

        K.definition = javaDef;

        if (GlobalSettings.verbose) sw.printIntermediate("Importing tables");

        K.kompiled_cfg =
            (org.kframework.kil.Configuration)
                BinaryLoader.load(K.compiled_def + "/configuration.bin");

        CommandLine compileOptions =
            (CommandLine) BinaryLoader.load(K.compiled_def + "/compile-options.bin");
        if (compileOptions.hasOption("sortCells")) GlobalSettings.sortedCells = true;

        if (GlobalSettings.verbose) sw.printIntermediate("Reading configuration from binary");
      }

      if (!cmd.hasOption("main-module")) {
        K.main_module = K.definition.getMainModule();
      }
      if (!cmd.hasOption("syntax-module")) {
        K.syntax_module = K.definition.getMainSyntaxModule();
      }

      if (GlobalSettings.verbose) sw.printIntermediate("Resolving main and syntax modules");

      if (K.pgm != null) {
        KAST = rp.runParserOrDie(K.getProgramParser(), K.pgm, false, null, context);
      } else {
        KAST = null;
      }

      if (GlobalSettings.verbose) sw.printIntermediate("Kast process");

      if (K.term != null) {
        if (K.parser.equals("kast") && !cmd.hasOption("parser")) {
          if (K.backend.equals("java")) {
            K.parser = "kast -ruleParser";
          } else {
            K.parser = "kast -groundParser";
          }
        }
      }

      GlobalSettings.kem.print();

      if (!K.debug && !K.guidebug) {
        normalExecution(KAST, lang, rp, cmd_options, context);
      } else {
        if (K.do_search) {
          Error.report(
              "Cannot specify --search with --debug. In order to search\nnside the debugger, use the step-all command.");
        }
        if (K.guidebug) guiDebugExecution(KAST, lang, null, context);
        else debugExecution(KAST, lang, null, context);
      }
    } catch (IOException e) {
      e.printStackTrace();
      System.exit(1);
    }
  }
Exemple #3
0
  // execute krun in normal mode (i.e. not in debug mode)
  public static void normalExecution(
      Term KAST, String lang, RunProcess rp, CommandlineOptions cmd_options, Context context) {
    try {
      CommandLine cmd = cmd_options.getCommandLine();

      KRun krun = obtainKRun(context);
      KRunResult<?> result = null;
      // Set<String> varNames = null;
      Rule patternRule = null;
      RuleCompilerSteps steps;
      steps = new RuleCompilerSteps(K.definition, context);
      try {
        if (cmd.hasOption("pattern") || "search".equals(K.maude_cmd)) {
          org.kframework.parser.concrete.KParser.ImportTbl(K.compiled_def + "/def/Concrete.tbl");
          ASTNode pattern =
              DefinitionLoader.parsePattern(K.pattern, "Command line pattern", context);
          CollectVariablesVisitor vars = new CollectVariablesVisitor(context);
          pattern.accept(vars);
          // varNames = vars.getVars().keySet();

          try {
            pattern = steps.compile(new Rule((Sentence) pattern), null);
          } catch (CompilerStepDone e) {
            pattern = (ASTNode) e.getResult();
          }
          patternRule = new Rule((Sentence) pattern);
          if (GlobalSettings.verbose) sw.printIntermediate("Parsing search pattern");
        }

        if (K.do_search) {
          if ("search".equals(K.maude_cmd)) {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            String buffer = "";
            // detect if the input comes from console or redirected
            // from a pipeline
            Console c = System.console();
            if (c == null && br.ready()) {
              try {
                buffer = br.readLine();
              } catch (IOException ioe) {
                ioe.printStackTrace();
              } finally {
                if (br != null) {
                  try {
                    br.close();
                  } catch (IOException e) {
                    e.printStackTrace();
                  }
                }
              }
            }
            Integer depth = null;
            Integer bound = null;
            if (cmd.hasOption("bound") && cmd.hasOption("depth")) {
              bound = Integer.parseInt(K.bound);
              depth = Integer.parseInt(K.depth);
            } else if (cmd.hasOption("bound")) {
              bound = Integer.parseInt(K.bound);
            } else if (cmd.hasOption("depth")) {
              depth = Integer.parseInt(K.depth);
            }
            if (K.do_testgen) {
              result =
                  krun.generate(
                      bound,
                      depth,
                      K.searchType,
                      patternRule,
                      makeConfiguration(KAST, buffer, rp, (K.term != null), context),
                      steps);
            } else {
              result =
                  krun.search(
                      bound,
                      depth,
                      K.searchType,
                      patternRule,
                      makeConfiguration(KAST, buffer, rp, (K.term != null), context),
                      steps);
            }

            if (GlobalSettings.verbose) sw.printTotal("Search total");
          } else {
            Error.report("For the search option you must specify that --maude-cmd=search");
          }
        } else if (K.model_checking.length() > 0) {
          // run kast for the formula to be verified
          File formulaFile = new File(K.model_checking);
          Term KAST1 = null;
          if (!formulaFile.exists()) {
            // Error.silentReport("\nThe specified argument does not exist as a file on the disc; it
            // may represent a direct formula: "
            // + K.model_checking);
            // assume that the specified argument is not a file and
            // maybe represents a formula
            KAST1 = rp.runParserOrDie("kast -e", K.model_checking, false, "LtlFormula", context);
          } else {
            // the specified argument represents a file
            KAST1 = rp.runParserOrDie("kast", K.model_checking, false, "LtlFormula", context);
          }

          result =
              krun.modelCheck(KAST1, makeConfiguration(KAST, null, rp, (K.term != null), context));

          if (GlobalSettings.verbose) sw.printTotal("Model checking total");
        } else if (K.prove.length() > 0) {
          File proofFile = new File(K.prove);
          if (!proofFile.exists()) {
            Error.report("Cannot find the file containing rules to prove");
          }
          String content = FileUtil.getFileContent(proofFile.getAbsoluteFile().toString());
          Definition parsed =
              DefinitionLoader.parseString(content, proofFile.getAbsolutePath(), context);
          Module mod = parsed.getSingletonModule();
          try {
            mod = new SpecificationCompilerSteps(context).compile(mod, null);
          } catch (CompilerStepDone e) {
            assert false : "dead code";
          }
          result = krun.prove(mod);
        } else if (cmd.hasOption("depth")) {
          int depth = Integer.parseInt(K.depth);
          result = krun.step(makeConfiguration(KAST, null, rp, (K.term != null), context), depth);

          if (GlobalSettings.verbose) sw.printTotal("Bounded execution total");
        } else {
          result = krun.run(makeConfiguration(KAST, null, rp, (K.term != null), context));

          if (GlobalSettings.verbose) sw.printTotal("Normal execution total");
        }

        if (cmd.hasOption("pattern") && !K.do_search) {
          Object krs = result.getResult();
          if (krs instanceof KRunState) {
            Term res = ((KRunState) krs).getRawResult();
            krun.setBackendOption("io", false);
            result = krun.search(null, null, K.searchType, patternRule, res, steps);
          } else {
            Error.report(
                "Pattern matching after execution is not supported by search\nand model checking");
          }
        }

      } catch (KRunExecutionException e) {
        rp.printError(e.getMessage(), lang, context);
        System.exit(1);
      } catch (TransformerException e) {
        e.report();
      } catch (UnsupportedBackendOptionException e) {
        Error.report("Backend \"" + K.backend + "\" does not support option " + e.getMessage());
      }

      if ("pretty".equals(K.output_mode)) {
        String output = result.toString();
        if (!cmd.hasOption("output")) {
          AnsiConsole.out.println(output);
        } else {
          writeStringToFile(new File(K.output), output);
        }
        // print search graph
        if ("search".equals(K.maude_cmd) && K.do_search && K.showSearchGraph) {
          System.out.println(K.lineSeparator + "The search graph is:" + K.lineSeparator);
          @SuppressWarnings("unchecked")
          KRunResult<SearchResults> searchResult = (KRunResult<SearchResults>) result;
          AnsiConsole.out.println(searchResult.getResult().getGraph());
          // offer the user the possibility to turn execution into
          // debug mode
          while (true) {
            System.out.print(K.lineSeparator + "Do you want to enter in debug mode? (y/n):");
            BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
            String input = stdin.readLine();
            if (input == null) {
              K.debug = false;
              K.guidebug = false;
              System.out.println();
              break;
            }
            if (input.equals("y")) {
              K.debug = true;
              debugExecution(KAST, lang, searchResult, context);
            } else if (input.equals("n")) {
              K.debug = false;
              K.guidebug = false;
              break;
            } else {
              System.out.println("You should specify one of the possible answers:y or n");
            }
          }
        }
      } else if ("raw".equals(K.output_mode)) {
        String output = result.getRawOutput();
        ;
        if (!cmd.hasOption("output")) {
          System.out.println(output);
        } else {
          writeStringToFile(new File(K.output), output);
        }
      } else if ("none".equals(K.output_mode)) {
        System.out.print("");
      } else if ("binary".equals(K.output_mode)) {
        Object krs = result.getResult();
        if (krs instanceof KRunState) {
          Term res = ((KRunState) krs).getRawResult();

          if (!cmd.hasOption("output")) {
            Error.silentReport(
                "Did not specify an output file. Cannot print output-mode binary to\nstandard out. Saving to .k/krun/krun_output");
            BinaryLoader.save(K.krun_output, res);
          } else {
            BinaryLoader.save(K.output, res);
          }
        } else {
          Error.report("binary output mode is not supported by search and model\nchecking");
        }

      } else {
        Error.report(K.output_mode + " is not a valid value for output-mode option");
      }

      System.exit(0);
    } catch (IOException e) {
      e.printStackTrace();
      System.exit(1);
    }
  }
Exemple #4
0
  public static Term makeConfiguration(
      Term kast, String stdin, RunProcess rp, boolean hasTerm, Context context)
      throws TransformerException, IOException {

    if (hasTerm) {
      if (kast == null) {
        return rp.runParserOrDie(K.getProgramParser(), K.term, false, null, context);
      } else {
        Error.report("You cannot specify both the term and the configuration\nvariables.");
      }
    }

    HashMap<String, Term> output = new HashMap<String, Term>();
    boolean hasPGM = false;
    Enumeration<Object> en = K.configuration_variables.keys();
    while (en.hasMoreElements()) {
      String name = (String) en.nextElement();
      String value = K.configuration_variables.getProperty(name);
      String parser = K.cfg_parsers.getProperty(name);
      // TODO: get sort from configuration term in definition and pass it
      // here
      Term parsed = null;
      if (parser == null) {
        parser = "kast -groundParser -e";
      }
      parsed = rp.runParserOrDie(parser, value, false, null, context);
      output.put("$" + name, parsed);
      hasPGM = hasPGM || name.equals("$PGM");
    }
    if (!hasPGM && kast != null) {
      output.put("$PGM", kast);
    }
    if (!K.io && stdin == null) {
      stdin = "";
    }
    if (stdin != null) {
      KApp noIO = KApp.of(KLabelConstant.of("'#noIO", context));
      if (K.backend.equals("java")) {
        DataStructureSort myList =
            context.dataStructureListSortOf(DataStructureSort.DEFAULT_LIST_SORT);
        if (myList != null) {
          output.put("$noIO", DataStructureBuiltin.element(myList, noIO));
        }
      } else {
        output.put("$noIO", new ListItem(noIO));
      }
      output.put("$stdin", StringBuiltin.kAppOf(stdin + "\n"));
    } else {
      if (K.backend.equals("java")) {
        DataStructureSort myList =
            context.dataStructureListSortOf(DataStructureSort.DEFAULT_LIST_SORT);
        if (myList != null) {
          output.put("$noIO", DataStructureBuiltin.empty(myList));
        }
      } else {
        output.put("$noIO", org.kframework.kil.List.EMPTY);
      }
      output.put("$stdin", StringBuiltin.EMPTY);
    }

    if (GlobalSettings.verbose) sw.printIntermediate("Make configuration");

    return plug(output, context);
  }