diff options
Diffstat (limited to 'sim/main.cc')
-rw-r--r-- | sim/main.cc | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/sim/main.cc b/sim/main.cc index 94928e36a..ed8bf9e63 100644 --- a/sim/main.cc +++ b/sim/main.cc @@ -127,11 +127,12 @@ showBriefHelp(ostream &out) " -I add the directory <dir> to python's path\n" " -P execute <python> directly in the configuration\n" " --var=val set the python variable <var> to '<val>'\n" -" <configfile> config file name (.py or .mpy)\n", +" <configfile> config file name (ends in .py)\n\n", prog); - ccprintf(out, "%s -X\n -X extract embedded files\n", prog); - ccprintf(out, "%s -h\n -h print long help\n", prog); + ccprintf(out, "%s -X\n -X extract embedded files\n\n", prog); + ccprintf(out, "%s -h\n -h print short help\n\n", prog); + ccprintf(out, "%s -H\n -H print long help\n\n", prog); } /// Show verbose help message. Includes parameter listing from @@ -245,12 +246,17 @@ main(int argc, char **argv) signal(SIGINT, exitNowHandler); // dump final stats and exit signal(SIGABRT, abortHandler); - sayHello(cerr); - bool configfile_found = false; PythonConfig pyconfig; string outdir; + if (argc < 2) { + showBriefHelp(cerr); + exit(1); + } + + sayHello(cerr); + // Parse command-line options. // Since most of the complex options are handled through the // config database, we don't mess with getopts, and just parse @@ -283,6 +289,10 @@ main(int argc, char **argv) break; case 'h': + showBriefHelp(cerr); + exit(1); + + case 'H': showLongHelp(cerr); exit(1); @@ -328,9 +338,8 @@ main(int argc, char **argv) string file(arg_str); string base, ext; - if (!split_last(file, base, ext, '.') || - ext != "py" && ext != "mpy") - panic("Config file '%s' must end in '.py' or '.mpy'\n", file); + if (!split_last(file, base, ext, '.') || ext != "py") + panic("Config file '%s' must end in '.py'\n", file); pyconfig.load(file); configfile_found = true; |