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87694b93 | 1 | /* Copyright (C) 1995, 1996, 1998, 1999, 2000 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
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) | |
6 | * any later version. | |
7 | * | |
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. | |
12 | * | |
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 | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
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. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
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. | |
37 | * | |
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. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
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45 | \f |
46 | ||
1a450153 DH |
47 | #ifdef HAVE_STRING_H |
48 | #include <string.h> | |
49 | #endif | |
0f2d19dd | 50 | |
1a450153 | 51 | #include "libguile/_scm.h" |
a0599745 | 52 | #include "libguile/root.h" |
a0599745 | 53 | #include "libguile/strings.h" |
a0599745 | 54 | #include "libguile/validate.h" |
1a450153 | 55 | |
a0599745 | 56 | #include "libguile/feature.h" |
20e6290e | 57 | |
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58 | \f |
59 | ||
86d31dfe | 60 | static SCM features_var; |
1a450153 | 61 | |
0f2d19dd | 62 | |
0f2d19dd | 63 | void |
6e8d25a6 | 64 | scm_add_feature (const char *str) |
0f2d19dd | 65 | { |
86d31dfe | 66 | SCM old = SCM_VARIABLE_REF (features_var); |
38ae064c | 67 | SCM new = scm_cons (scm_str2symbol (str), old); |
86d31dfe | 68 | SCM_VARIABLE_SET (features_var, new); |
0f2d19dd JB |
69 | } |
70 | ||
0f2d19dd | 71 | \f |
0b886892 | 72 | |
3b3b36dd | 73 | SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0, |
d46e4713 NJ |
74 | (), |
75 | "@deffnx procedure command-line\n" | |
76 | "Return the list of command line arguments passed to Guile, as a list of\n" | |
77 | "strings. The list includes the invoked program name, which is usually\n" | |
78 | "@code{\"guile\"}, but excludes switches and parameters for command line\n" | |
79 | "options like @code{-e} and @code{-l}.") | |
1bbd0b84 | 80 | #define FUNC_NAME s_scm_program_arguments |
0f2d19dd JB |
81 | { |
82 | return scm_progargs; | |
83 | } | |
1bbd0b84 | 84 | #undef FUNC_NAME |
0f2d19dd | 85 | |
f29de790 JB |
86 | /* Set the value returned by program-arguments, given ARGC and ARGV. |
87 | ||
88 | If FIRST is non-zero, make it the first element; we do this in | |
89 | situations where other code (like getopt) has parsed out a few | |
90 | arguments, but we still want the script name to be the first | |
91 | element. */ | |
0b886892 | 92 | void |
1bbd0b84 | 93 | scm_set_program_arguments (int argc, char **argv, char *first) |
0b886892 JB |
94 | { |
95 | scm_progargs = scm_makfromstrs (argc, argv); | |
f29de790 JB |
96 | if (first) |
97 | scm_progargs = scm_cons (scm_makfrom0str (first), scm_progargs); | |
0b886892 JB |
98 | } |
99 | ||
0f2d19dd | 100 | |
0f2d19dd JB |
101 | \f |
102 | ||
0f2d19dd JB |
103 | void |
104 | scm_init_feature() | |
0f2d19dd | 105 | { |
86d31dfe | 106 | features_var = scm_c_define ("*features*", SCM_EOL); |
cf7c17e9 | 107 | #ifdef SCM_RECKLESS |
0f2d19dd JB |
108 | scm_add_feature("reckless"); |
109 | #endif | |
110 | #ifndef _Windows | |
111 | scm_add_feature("system"); | |
112 | #endif | |
113 | #ifdef vms | |
114 | scm_add_feature(s_ed); | |
115 | #endif | |
116 | #ifdef SICP | |
117 | scm_add_feature("sicp"); | |
118 | #endif | |
119 | #ifndef GO32 | |
120 | scm_add_feature("char-ready?"); | |
121 | #endif | |
122 | #ifndef CHEAP_CONTINUATIONS | |
123 | scm_add_feature ("full-continuation"); | |
124 | #endif | |
a6cba733 MD |
125 | #ifdef USE_THREADS |
126 | scm_add_feature ("threads"); | |
127 | #endif | |
128 | ||
86d31dfe | 129 | scm_c_define ("char-code-limit", SCM_MAKINUM (SCM_CHAR_CODE_LIMIT)); |
26425129 | 130 | |
8dc9439f | 131 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 132 | #include "libguile/feature.x" |
8dc9439f | 133 | #endif |
0f2d19dd | 134 | } |
89e00824 ML |
135 | |
136 | /* | |
137 | Local Variables: | |
138 | c-file-style: "gnu" | |
139 | End: | |
140 | */ |