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Add help flag and usage to UNIX Jerry standalone.

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JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
This commit is contained in:
Dániel Bátyai 2016-02-24 17:57:39 +01:00
parent 764229b262
commit 1ae05eda64
1 changed files with 85 additions and 35 deletions
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120
main-unix.c
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@ -188,6 +188,36 @@ assert_handler (const jerry_api_object_t *function_obj_p __attr_unused___, /** <
}
} /* assert_handler */
static void
print_usage (char *name)
{
printf ("Usage: %s [OPTION]... [FILE]...\n"
"Try '%s --help' for more information.\n",
name, name);
} /* print_usage */
static void
print_help (char *name)
{
printf ("Usage: %s [OPTION]... [FILE]...\n"
"\n"
"Options:\n"
" -h, --help\n"
" -v, --version\n"
" --mem-stats\n"
" --mem-stats-separate\n"
" --parse-only\n"
" --show-opcodes\n"
" --save-snapshot-for-global FILE\n"
" --save-snapshot-for-eval FILE\n"
" --exec-snapshot FILE\n"
" --log-level [0-3]\n"
" --log-file FILE\n"
" --abort-on-fail\n"
"\n",
name);
} /* print_help */
int
main (int argc,
char **argv)
@ -226,12 +256,18 @@ main (int argc,
#endif /* JERRY_ENABLE_LOG */
for (i = 1; i < argc; i++)
{
if (!strcmp ("-v", argv[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]))
{
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);
printf ("\n");
return JERRY_STANDALONE_EXIT_CODE_OK;
}
else if (!strcmp ("--mem-stats", argv[i]))
{
@ -255,66 +291,80 @@ main (int argc,
is_save_snapshot_mode = true;
is_save_snapshot_mode_for_global_or_eval = !strcmp ("--save-snapshot-for-global", argv[i]);
flags |= JERRY_FLAG_PARSE_ONLY;
if (save_snapshot_file_name_p == NULL
&& ++i < argc)
if (save_snapshot_file_name_p != NULL)
{
save_snapshot_file_name_p = argv[i];
}
else
{
JERRY_ERROR_MSG ("Error: wrong format of the arguments\n");
JERRY_ERROR_MSG ("Error: snapshot file name already specified\n");
print_usage (argv[0]);
return JERRY_STANDALONE_EXIT_CODE_FAIL;
}
if (++i >= argc)
{
JERRY_ERROR_MSG ("Error: no file specified for %s\n", argv[i - 1]);
print_usage (argv[0]);
return JERRY_STANDALONE_EXIT_CODE_FAIL;
}
flags |= JERRY_FLAG_PARSE_ONLY;
save_snapshot_file_name_p = argv[i];
}
else if (!strcmp ("--exec-snapshot", argv[i]))
{
if (++i < argc)
if (++i >= argc)
{
JERRY_ASSERT (exec_snapshots_count < JERRY_MAX_COMMAND_LINE_ARGS);
exec_snapshot_file_names[exec_snapshots_count++] = argv[i];
}
else
{
JERRY_ERROR_MSG ("Error: wrong format of the arguments\n");
JERRY_ERROR_MSG ("Error: no file specified for %s\n", argv[i - 1]);
print_usage (argv[0]);
return JERRY_STANDALONE_EXIT_CODE_FAIL;
}
JERRY_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]))
{
flags |= JERRY_FLAG_ENABLE_LOG;
if (++i < argc && strlen (argv[i]) == 1 && argv[i][0] >='0' && argv[i][0] <= '3')
if (++i >= argc)
{
#ifdef JERRY_ENABLE_LOG
jerry_debug_level = argv[i][0] - '0';
#endif /* JERRY_ENABLE_LOG */
}
else
{
JERRY_ERROR_MSG ("Error: wrong format or invalid argument\n");
JERRY_ERROR_MSG ("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_ERROR_MSG ("Error: wrong format for %s\n", argv[i - 1]);
print_usage (argv[0]);
return JERRY_STANDALONE_EXIT_CODE_FAIL;
}
#ifdef JERRY_ENABLE_LOG
flags |= JERRY_FLAG_ENABLE_LOG;
jerry_debug_level = argv[i][0] - '0';
#endif /* JERRY_ENABLE_LOG */
}
else if (!strcmp ("--log-file", argv[i]))
{
flags |= JERRY_FLAG_ENABLE_LOG;
if (++i < argc)
if (++i >= argc)
{
#ifdef JERRY_ENABLE_LOG
log_file_name = argv[i];
#endif /* JERRY_ENABLE_LOG */
}
else
{
JERRY_ERROR_MSG ("Error: wrong format of the arguments\n");
JERRY_ERROR_MSG ("Error: no file specified for %s\n", argv[i - 1]);
print_usage (argv[0]);
return JERRY_STANDALONE_EXIT_CODE_FAIL;
}
#ifdef JERRY_ENABLE_LOG
flags |= JERRY_FLAG_ENABLE_LOG;
log_file_name = argv[i];
#endif /* JERRY_ENABLE_LOG */
}
else if (!strcmp ("--abort-on-fail", argv[i]))
{
flags |= JERRY_FLAG_ABORT_ON_FAIL;
}
else if (!strncmp ("-", argv[i], 1))
{
JERRY_ERROR_MSG ("Error: unrecognized option: %s\n", argv[i]);
print_usage (argv[0]);
return JERRY_STANDALONE_EXIT_CODE_FAIL;
}
else
{
file_names[files_counter++] = argv[i];