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(scm_compile_shell_switches): added '-L' switch to add to the

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%load-path.
This commit is contained in:
Marius Vollmer 2004-08-22 19:25:51 +00:00
parent ae0b6bf5df
commit caa29067e7
1 changed files with 25 additions and 1 deletions
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26
libguile/script.c
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@ -361,6 +361,7 @@ scm_shell_usage (int fatal, char *message)
"remaining arguments as the value of (command-line).\n"
"If FILE begins with `-' the -s switch is mandatory.\n"
"\n"
" -L DIRECTORY add DIRECTORY to the front of the module load path\n"
" -l FILE load Scheme source code from FILE\n"
" -e FUNCTION after reading script, apply FUNCTION to\n"
" command line arguments\n"
@ -395,7 +396,9 @@ 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");
SCM_SYMBOL (sym_load_path, "%load-path");
SCM_SYMBOL (sym_set_x, "set!");
SCM_SYMBOL (sym_cons, "cons");
/* Given an array of command-line switches, return a Scheme expression
to carry out the actions specified by the switches.
@ -418,6 +421,7 @@ scm_compile_shell_switches (int argc, char **argv)
the "load" command, in case we get
the "-ds" switch. */
SCM entry_point = SCM_EOL; /* for -e switch */
SCM user_load_path = SCM_EOL; /* for -L switch */
int interactive = 1; /* Should we go interactive when done? */
int inhibit_user_init = 0; /* Don't load user init file */
int use_emacs_interface = 0;
@ -496,6 +500,19 @@ scm_compile_shell_switches (int argc, char **argv)
scm_shell_usage (1, "missing argument to `-l' switch");
}
else if (! strcmp (argv[i], "-L")) /* add to %load-path */
{
if (++i < argc)
user_load_path = scm_cons (scm_list_3 (sym_set_x,
sym_load_path,
scm_list_3(sym_cons,
scm_makfrom0str (argv[i]),
sym_load_path)),
user_load_path);
else
scm_shell_usage (1, "missing argument to `-L' switch");
}
else if (! strcmp (argv[i], "-e")) /* entry point */
{
if (++i < argc)
@ -629,6 +646,13 @@ scm_compile_shell_switches (int argc, char **argv)
/* After the following line, actions will be added to the front. */
tail = scm_reverse_x (tail, SCM_UNDEFINED);
/* add the user-specified load path here, so it won't be in effect
during the loading of the user's customization file. */
if(!SCM_NULLP(user_load_path))
{
tail = scm_append_x( scm_cons2(user_load_path, tail, SCM_EOL) );
}
/* If we didn't end with a -c or a -s and didn't supply a -q, load
the user's customization file. */