示例#1
0
int
main (int argc,
      char **argv)
{
  if (argc > JERRY_MAX_COMMAND_LINE_ARGS)
  {
    jerry_port_log (JERRY_LOG_LEVEL_ERROR,
                    "Error: too many command line arguments: %d (JERRY_MAX_COMMAND_LINE_ARGS=%d)\n",
                    argc,
                    JERRY_MAX_COMMAND_LINE_ARGS);

    return JERRY_STANDALONE_EXIT_CODE_FAIL;
  }

  const char *file_names[JERRY_MAX_COMMAND_LINE_ARGS];
  int i;
  int files_counter = 0;

  size_t max_data_bss_size, max_stack_size;
  jerry_get_memory_limits (&max_data_bss_size, &max_stack_size);

  // FIXME:
  //  jrt_set_mem_limits (max_data_bss_size, max_stack_size);

  jerry_init_flag_t flags = JERRY_INIT_EMPTY;

  const char *exec_snapshot_file_names[JERRY_MAX_COMMAND_LINE_ARGS];
  int exec_snapshots_count = 0;

  bool is_parse_only = false;
  bool is_save_snapshot_mode = false;
  bool is_save_snapshot_mode_for_global_or_eval = false;
  const char *save_snapshot_file_name_p = NULL;

  bool is_repl_mode = false;

  for (i = 1; i < argc; i++)
  {
    if (!strcmp ("-h", argv[i]) || !strcmp ("--help", argv[i]))
    {
      print_help (argv[0]);
      return JERRY_STANDALONE_EXIT_CODE_OK;
    }
    else if (!strcmp ("-v", argv[i]) || !strcmp ("--version", argv[i]))
    {
      jerry_port_console ("Version: \t%d.%d\n\n", JERRY_API_MAJOR_VERSION, JERRY_API_MINOR_VERSION);
      return JERRY_STANDALONE_EXIT_CODE_OK;
    }
    else if (!strcmp ("--mem-stats", argv[i]))
    {
      flags |= JERRY_INIT_MEM_STATS;
      jerry_port_default_set_log_level (JERRY_LOG_LEVEL_DEBUG);
    }
    else if (!strcmp ("--mem-stats-separate", argv[i]))
    {
      flags |= JERRY_INIT_MEM_STATS_SEPARATE;
      jerry_port_default_set_log_level (JERRY_LOG_LEVEL_DEBUG);
    }
    else if (!strcmp ("--parse-only", argv[i]))
    {
      is_parse_only = true;
    }
    else if (!strcmp ("--show-opcodes", argv[i]))
    {
      flags |= JERRY_INIT_SHOW_OPCODES;
      jerry_port_default_set_log_level (JERRY_LOG_LEVEL_DEBUG);
    }
    else if (!strcmp ("--show-regexp-opcodes", argv[i]))
    {
      flags |= JERRY_INIT_SHOW_REGEXP_OPCODES;
      jerry_port_default_set_log_level (JERRY_LOG_LEVEL_DEBUG);
    }
    else if (!strcmp ("--save-snapshot-for-global", argv[i])
             || !strcmp ("--save-snapshot-for-eval", argv[i]))
    {
      is_save_snapshot_mode = true;
      is_save_snapshot_mode_for_global_or_eval = !strcmp ("--save-snapshot-for-global", argv[i]);

      if (save_snapshot_file_name_p != NULL)
      {
        jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: snapshot file name already specified\n");
        print_usage (argv[0]);
        return JERRY_STANDALONE_EXIT_CODE_FAIL;
      }

      if (++i >= argc)
      {
        jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: no file specified for %s\n", argv[i - 1]);
        print_usage (argv[0]);
        return JERRY_STANDALONE_EXIT_CODE_FAIL;
      }

      save_snapshot_file_name_p = argv[i];
    }
    else if (!strcmp ("--exec-snapshot", argv[i]))
    {
      if (++i >= argc)
      {
        jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: no file specified for %s\n", argv[i - 1]);
        print_usage (argv[0]);
        return JERRY_STANDALONE_EXIT_CODE_FAIL;
      }

      assert (exec_snapshots_count < JERRY_MAX_COMMAND_LINE_ARGS);
      exec_snapshot_file_names[exec_snapshots_count++] = argv[i];
    }
    else if (!strcmp ("--log-level", argv[i]))
    {
      if (++i >= argc)
      {
        jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: no level specified for %s\n", argv[i - 1]);
        print_usage (argv[0]);
        return JERRY_STANDALONE_EXIT_CODE_FAIL;
      }

      if (strlen (argv[i]) != 1 || argv[i][0] < '0' || argv[i][0] > '3')
      {
        jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: wrong format for %s\n", argv[i - 1]);
        print_usage (argv[0]);
        return JERRY_STANDALONE_EXIT_CODE_FAIL;
      }

      jerry_port_default_set_log_level (argv[i][0] - '0');
    }
    else if (!strcmp ("--abort-on-fail", argv[i]))
    {
      jerry_port_default_set_abort_on_fail (true);
    }
    else if (!strncmp ("-", argv[i], 1))
    {
      jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: unrecognized option: %s\n", argv[i]);
      print_usage (argv[0]);
      return JERRY_STANDALONE_EXIT_CODE_FAIL;
    }
    else
    {
      file_names[files_counter++] = argv[i];
    }
  }

  if (is_save_snapshot_mode)
  {
    if (files_counter != 1)
    {
      jerry_port_log (JERRY_LOG_LEVEL_ERROR,
                      "Error: --save-snapshot argument works with exactly one script\n");
      return JERRY_STANDALONE_EXIT_CODE_FAIL;
    }

    if (exec_snapshots_count != 0)
    {
      jerry_port_log (JERRY_LOG_LEVEL_ERROR,
                      "Error: --save-snapshot and --exec-snapshot options can't be passed simultaneously\n");
      return JERRY_STANDALONE_EXIT_CODE_FAIL;
    }
  }

  if (files_counter == 0
      && exec_snapshots_count == 0)
  {
    is_repl_mode = true;
  }

  jerry_init (flags);

  jerry_value_t global_obj_val = jerry_get_global_object ();
  jerry_value_t assert_value = jerry_create_external_function (assert_handler);

  jerry_value_t assert_func_name_val = jerry_create_string ((jerry_char_t *) "assert");
  bool is_assert_added = jerry_set_property (global_obj_val, assert_func_name_val, assert_value);

  jerry_release_value (assert_func_name_val);
  jerry_release_value (assert_value);
  jerry_release_value (global_obj_val);

  if (!is_assert_added)
  {
    jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Warning: failed to register 'assert' method.");
  }

  jerry_value_t ret_value = jerry_create_undefined ();

  for (int i = 0; i < exec_snapshots_count; i++)
  {
    size_t snapshot_size;
    const uint8_t *snapshot_p = read_file (exec_snapshot_file_names[i], &snapshot_size);

    if (snapshot_p == NULL)
    {
      ret_value = jerry_create_error (JERRY_ERROR_COMMON, (jerry_char_t *) "");
    }
    else
    {
      ret_value = jerry_exec_snapshot ((void *) snapshot_p,
                                       snapshot_size,
                                       true);
    }

    if (jerry_value_has_error_flag (ret_value))
    {
      break;
    }
  }

  if (!jerry_value_has_error_flag (ret_value))
  {
    for (int i = 0; i < files_counter; i++)
    {
      size_t source_size;
      const jerry_char_t *source_p = read_file (file_names[i], &source_size);

      if (source_p == NULL)
      {
        ret_value = jerry_create_error (JERRY_ERROR_COMMON, (jerry_char_t *) "");
      }

      if (is_save_snapshot_mode)
      {
        static uint8_t snapshot_save_buffer[ JERRY_BUFFER_SIZE ];

        size_t snapshot_size = jerry_parse_and_save_snapshot ((jerry_char_t *) source_p,
                                                              source_size,
                                                              is_save_snapshot_mode_for_global_or_eval,
                                                              false,
                                                              snapshot_save_buffer,
                                                              JERRY_BUFFER_SIZE);
        if (snapshot_size == 0)
        {
          ret_value = jerry_create_error (JERRY_ERROR_COMMON, (jerry_char_t *) "");
        }
        else
        {
          FILE *snapshot_file_p = fopen (save_snapshot_file_name_p, "w");
          fwrite (snapshot_save_buffer, sizeof (uint8_t), snapshot_size, snapshot_file_p);
          fclose (snapshot_file_p);
        }
      }
      else
      {
        ret_value = jerry_parse (source_p, source_size, false);

        if (!jerry_value_has_error_flag (ret_value) && !is_parse_only)
        {
          jerry_value_t func_val = ret_value;
          ret_value = jerry_run (func_val);
          jerry_release_value (func_val);
        }
      }

      if (jerry_value_has_error_flag (ret_value))
      {
        break;
      }
    }
  }

  if (is_repl_mode)
  {
    const char *prompt = "jerry> ";
    bool is_done = false;

    jerry_value_t global_obj_val = jerry_get_global_object ();
    jerry_value_t print_func_name_val = jerry_create_string ((jerry_char_t *) "print");
    jerry_value_t print_function = jerry_get_property (global_obj_val, print_func_name_val);

    jerry_release_value (print_func_name_val);

    if (jerry_value_has_error_flag (print_function))
    {
      return JERRY_STANDALONE_EXIT_CODE_FAIL;
    }

    if (!jerry_value_is_function (print_function))
    {
      return JERRY_STANDALONE_EXIT_CODE_FAIL;
    }

    while (!is_done)
    {
      uint8_t *source_buffer_tail = buffer;
      size_t len = 0;

      jerry_port_console ("%s", prompt);

      /* Read a line */
      while (true)
      {
        if (fread (source_buffer_tail, 1, 1, stdin) != 1 && len == 0)
        {
          is_done = true;
          break;
        }
        if (*source_buffer_tail == '\n')
        {
          break;
        }
        source_buffer_tail ++;
        len ++;
      }
      *source_buffer_tail = 0;

      if (len > 0)
      {
        /* Evaluate the line */
        jerry_value_t ret_val_eval = jerry_eval (buffer, len, false);

        /* Print return value */
        const jerry_value_t args[] = { ret_val_eval };
        jerry_value_t ret_val_print = jerry_call_function (print_function,
                                                           jerry_create_undefined (),
                                                           args,
                                                           1);

        jerry_release_value (ret_val_print);
        jerry_release_value (ret_val_eval);
      }
    }

    jerry_release_value (global_obj_val);
    jerry_release_value (print_function);
  }

  int ret_code = JERRY_STANDALONE_EXIT_CODE_OK;

  if (jerry_value_has_error_flag (ret_value))
  {
    jerry_value_clear_error_flag (&ret_value);
    jerry_value_t err_str_val = jerry_value_to_string (ret_value);

    jerry_char_t err_str_buf[256];
    jerry_size_t err_str_size = jerry_get_string_size (err_str_val);

    assert (err_str_size < 256);
    jerry_size_t sz = jerry_string_to_char_buffer (err_str_val, err_str_buf, err_str_size);
    assert (sz == err_str_size);
    err_str_buf[err_str_size] = 0;

    jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Script Error: unhandled exception: %s\n", err_str_buf);

    jerry_release_value (err_str_val);

    ret_code = JERRY_STANDALONE_EXIT_CODE_FAIL;
  }

  jerry_release_value (ret_value);
  jerry_cleanup ();

  return ret_code;

} /* main */
示例#2
0
int jerryscript_entry (int argc, char *argv[])
{
  if (argc >= JERRY_MAX_COMMAND_LINE_ARGS)
  {
    jerry_port_log (JERRY_LOG_LEVEL_ERROR,
                    "Too many command line arguments. Current maximum is %d\n",
                    JERRY_MAX_COMMAND_LINE_ARGS);

    return JERRY_STANDALONE_EXIT_CODE_FAIL;
  }

  const char *file_names[JERRY_MAX_COMMAND_LINE_ARGS];
  int i;
  int files_counter = 0;

  for (i = 1; i < argc; i++)
  {
    printf ("PARAM %d : [%s]\n", i, argv[i]);
  }

  jerry_flag_t flags = JERRY_FLAG_EMPTY;

  for (i = 1; i < argc; i++)
  {
    if (!strcmp ("-v", argv[i]))
    {
      printf ("Build date: \t%s\n", jerry_build_date);
      printf ("Commit hash:\t%s\n", jerry_commit_hash);
      printf ("Branch name:\t%s\n", jerry_branch_name);
    }
    else if (!strcmp ("--mem-stats", argv[i]))
    {
      flags |= JERRY_FLAG_MEM_STATS;
    }
    else if (!strcmp ("--mem-stats-separate", argv[i]))
    {
      flags |= JERRY_FLAG_MEM_STATS_SEPARATE;
    }
    else if (!strcmp ("--parse-only", argv[i]))
    {
      flags |= JERRY_FLAG_PARSE_ONLY;
    }
    else if (!strcmp ("--show-opcodes", argv[i]))
    {
      flags |= JERRY_FLAG_SHOW_OPCODES;
    }
    else if (!strcmp ("--abort-on-fail", argv[i]))
    {
      jerry_port_default_set_abort_on_fail (true);
    }
    else if (!strcmp ("--log-level", argv[i]))
    {
      flags |= JERRY_FLAG_ENABLE_LOG;
      if (++i < argc && strlen (argv[i]) == 1 && argv[i][0] >='0' && argv[i][0] <= '3')
      {
#ifdef JERRY_ENABLE_LOG
        jerry_debug_level = argv[i][0] - '0';
#endif /* JERRY_ENABLE_LOG */
      }
      else
      {
        jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: wrong format or invalid argument\n");
        return JERRY_STANDALONE_EXIT_CODE_FAIL;
      }
    }
    else
    {
      file_names[files_counter++] = argv[i];
    }
  }

  if (files_counter == 0)
  {
    printf ("Jerry: file count 0\n");
    return JERRY_STANDALONE_EXIT_CODE_OK;
  }

  size_t source_size;
  char *source_p = read_sources (file_names, files_counter, &source_size);

  if (source_p == NULL)
  {
    jerry_port_log (JERRY_LOG_LEVEL_ERROR, "JERRY_STANDALONE_EXIT_CODE_FAIL\n");
    return JERRY_STANDALONE_EXIT_CODE_FAIL;
  }

  jerry_completion_code_t ret_code;

  ret_code = jerry_run_simple ((jerry_api_char_t *) source_p, source_size, flags);

  free(source_p);

  if (ret_code != JERRY_COMPLETION_CODE_OK)
  {
    return JERRY_STANDALONE_EXIT_CODE_FAIL;
  }
  return JERRY_STANDALONE_EXIT_CODE_OK;
}