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* script.c (scm_compile_shell_switches): New command line option

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`--use-srfi' for loading a list of SRFIs on startup.
	(scm_shell_usage): Added `--use-srfi' to help message.
This commit is contained in:
Martin Grabmüller 2001-05-15 20:12:10 +00:00
parent 7dfc3d0f56
commit 39cde5c57c
2 changed files with 46 additions and 0 deletions
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6
libguile/ChangeLog
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@ -1,3 +1,9 @@
2001-05-15 Martin Grabmueller <mgrabmue@cs.tu-berlin.de>
* script.c (scm_compile_shell_switches): New command line option
`--use-srfi' for loading a list of SRFIs on startup.
(scm_shell_usage): Added `--use-srfi' to help message.
2001-05-10 Marius Vollmer <mvo@zagadka.ping.de>
Merge from mvo-vcell-clenaup-1-branch.

40
libguile/script.c
View file

@ -384,6 +384,8 @@ scm_shell_usage (int fatal, char *message)
" --debug start with debugging evaluator and backtraces\n"
" -q inhibit loading of user init file\n"
" --emacs enable Emacs protocol (experimental)\n"
" --use-srfi=LS load SRFI modules for the SRFIs in LS,\n"
" which is a list of numbers like \"2,13,14\"\n"
" -h, --help display this help and exit\n"
" -v, --version display version information and exit\n"
" \\ read arguments from following script lines\n",
@ -402,6 +404,7 @@ SCM_SYMBOL (sym_begin, "begin");
SCM_SYMBOL (sym_load_user_init, "load-user-init");
SCM_SYMBOL (sym_top_repl, "top-repl");
SCM_SYMBOL (sym_quit, "quit");
SCM_SYMBOL (sym_use_srfis, "use-srfis");
/* Given an array of command-line switches, return a Scheme expression
@ -533,6 +536,43 @@ scm_compile_shell_switches (int argc, char **argv)
else if (! strcmp (argv[i], "-q")) /* don't load user init */
inhibit_user_init = 1;
else if (! strncmp (argv[i], "--use-srfi=", 11)) /* load SRFIs */
{
SCM srfis = SCM_EOL; /* List of requested SRFIs. */
char * p = argv[i] + 11;
while (*p)
{
long num;
char * end;
num = strtol (p, &end, 10);
if (end - p > 0)
{
srfis = scm_cons (scm_long2num (num), srfis);
if (*end)
{
if (*end == ',')
p = end + 1;
else
scm_shell_usage (1, "invalid SRFI specification");
}
else
break;
}
else
scm_shell_usage (1, "invalid SRFI specification");
}
if (scm_ilength (srfis) <= 0)
scm_shell_usage (1, "invalid SRFI specification");
srfis = scm_reverse_x (srfis, SCM_UNDEFINED);
tail = scm_cons (scm_listify
(sym_use_srfis,
scm_listify (scm_sym_quote,
srfis, SCM_UNDEFINED),
SCM_UNDEFINED),
tail);
}
else if (! strcmp (argv[i], "-h")
|| ! strcmp (argv[i], "--help"))
{