4b43209013ab4f5d4a5e5ecdce902b3c5b003287
1 /* Copyright (C) 1995, 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2, or (at your option)
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this software; see the file COPYING. If not, write to
15 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 * Boston, MA 02111-1307 USA
18 * As a special exception, the Free Software Foundation gives permission
19 * for additional uses of the text contained in its release of GUILE.
21 * The exception is that, if you link the GUILE library with other files
22 * to produce an executable, this does not by itself cause the
23 * resulting executable to be covered by the GNU General Public License.
24 * Your use of that executable is in no way restricted on account of
25 * linking the GUILE library code into it.
27 * This exception does not however invalidate any other reasons why
28 * the executable file might be covered by the GNU General Public License.
30 * This exception applies only to the code released by the
31 * Free Software Foundation under the name GUILE. If you copy
32 * code from other Free Software Foundation releases into a copy of
33 * GUILE, as the General Public License permits, the exception does
34 * not apply to the code that you add in this way. To avoid misleading
35 * anyone as to the status of such modified files, you must delete
36 * this exception notice from them.
38 * If you write modifications of your own for GUILE, it is your choice
39 * whether to permit this exception to apply to your modifications.
40 * If you do not wish that, delete this exception notice. */
42 /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
43 gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
52 #include "libguile/_scm.h"
53 #include "libguile/root.h"
54 #include "libguile/strings.h"
55 #include "libguile/validate.h"
57 #include "libguile/feature.h"
65 scm_add_feature (const char *str
)
67 SCM old
= SCM_CDR (features
);
68 SCM
new = scm_cons (scm_str2symbol (str
), old
);
69 SCM_SETCDR (features
, new);
74 SCM_DEFINE (scm_program_arguments
, "program-arguments", 0, 0, 0,
76 "@deffnx procedure command-line\n"
77 "Return the list of command line arguments passed to Guile, as a list of\n"
78 "strings. The list includes the invoked program name, which is usually\n"
79 "@code{\"guile\"}, but excludes switches and parameters for command line\n"
80 "options like @code{-e} and @code{-l}.")
81 #define FUNC_NAME s_scm_program_arguments
87 /* Set the value returned by program-arguments, given ARGC and ARGV.
89 If FIRST is non-zero, make it the first element; we do this in
90 situations where other code (like getopt) has parsed out a few
91 arguments, but we still want the script name to be the first
94 scm_set_program_arguments (int argc
, char **argv
, char *first
)
96 scm_progargs
= scm_makfromstrs (argc
, argv
);
98 scm_progargs
= scm_cons (scm_makfrom0str (first
), scm_progargs
);
107 features
= scm_sysintern ("*features*", SCM_EOL
);
109 scm_add_feature("reckless");
112 scm_add_feature("system");
115 scm_add_feature(s_ed
);
118 scm_add_feature("sicp");
121 scm_add_feature("char-ready?");
123 #ifndef CHEAP_CONTINUATIONS
124 scm_add_feature ("full-continuation");
127 scm_add_feature ("threads");
130 scm_sysintern ("char-code-limit", SCM_MAKINUM (SCM_CHAR_CODE_LIMIT
));
132 #ifndef SCM_MAGIC_SNARFER
133 #include "libguile/feature.x"