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58ade102 | 1 | /* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001 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 | |
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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 | 41 | |
1bbd0b84 | 42 | |
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43 | \f |
44 | ||
1a450153 DH |
45 | #ifdef HAVE_STRING_H |
46 | #include <string.h> | |
47 | #endif | |
0f2d19dd | 48 | |
1a450153 | 49 | #include "libguile/_scm.h" |
a0599745 | 50 | #include "libguile/root.h" |
a0599745 | 51 | #include "libguile/strings.h" |
a0599745 | 52 | #include "libguile/validate.h" |
1a450153 | 53 | |
a0599745 | 54 | #include "libguile/feature.h" |
20e6290e | 55 | |
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56 | \f |
57 | ||
86d31dfe | 58 | static SCM features_var; |
1a450153 | 59 | |
0f2d19dd | 60 | |
0f2d19dd | 61 | void |
6e8d25a6 | 62 | scm_add_feature (const char *str) |
0f2d19dd | 63 | { |
86d31dfe | 64 | SCM old = SCM_VARIABLE_REF (features_var); |
38ae064c | 65 | SCM new = scm_cons (scm_str2symbol (str), old); |
86d31dfe | 66 | SCM_VARIABLE_SET (features_var, new); |
0f2d19dd JB |
67 | } |
68 | ||
0f2d19dd | 69 | \f |
0b886892 | 70 | |
3b3b36dd | 71 | SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0, |
d46e4713 NJ |
72 | (), |
73 | "@deffnx procedure command-line\n" | |
74 | "Return the list of command line arguments passed to Guile, as a list of\n" | |
75 | "strings. The list includes the invoked program name, which is usually\n" | |
76 | "@code{\"guile\"}, but excludes switches and parameters for command line\n" | |
77 | "options like @code{-e} and @code{-l}.") | |
1bbd0b84 | 78 | #define FUNC_NAME s_scm_program_arguments |
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79 | { |
80 | return scm_progargs; | |
81 | } | |
1bbd0b84 | 82 | #undef FUNC_NAME |
0f2d19dd | 83 | |
f29de790 JB |
84 | /* Set the value returned by program-arguments, given ARGC and ARGV. |
85 | ||
86 | If FIRST is non-zero, make it the first element; we do this in | |
87 | situations where other code (like getopt) has parsed out a few | |
88 | arguments, but we still want the script name to be the first | |
89 | element. */ | |
0b886892 | 90 | void |
1bbd0b84 | 91 | scm_set_program_arguments (int argc, char **argv, char *first) |
0b886892 JB |
92 | { |
93 | scm_progargs = scm_makfromstrs (argc, argv); | |
f29de790 JB |
94 | if (first) |
95 | scm_progargs = scm_cons (scm_makfrom0str (first), scm_progargs); | |
0b886892 JB |
96 | } |
97 | ||
0f2d19dd | 98 | |
0f2d19dd JB |
99 | \f |
100 | ||
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101 | void |
102 | scm_init_feature() | |
0f2d19dd | 103 | { |
86d31dfe | 104 | features_var = scm_c_define ("*features*", SCM_EOL); |
cf7c17e9 | 105 | #ifdef SCM_RECKLESS |
0f2d19dd JB |
106 | scm_add_feature("reckless"); |
107 | #endif | |
108 | #ifndef _Windows | |
109 | scm_add_feature("system"); | |
110 | #endif | |
111 | #ifdef vms | |
112 | scm_add_feature(s_ed); | |
113 | #endif | |
114 | #ifdef SICP | |
115 | scm_add_feature("sicp"); | |
116 | #endif | |
117 | #ifndef GO32 | |
118 | scm_add_feature("char-ready?"); | |
119 | #endif | |
120 | #ifndef CHEAP_CONTINUATIONS | |
121 | scm_add_feature ("full-continuation"); | |
122 | #endif | |
a6cba733 MD |
123 | #ifdef USE_THREADS |
124 | scm_add_feature ("threads"); | |
125 | #endif | |
126 | ||
86d31dfe | 127 | scm_c_define ("char-code-limit", SCM_MAKINUM (SCM_CHAR_CODE_LIMIT)); |
26425129 | 128 | |
8dc9439f | 129 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 130 | #include "libguile/feature.x" |
8dc9439f | 131 | #endif |
0f2d19dd | 132 | } |
89e00824 ML |
133 | |
134 | /* | |
135 | Local Variables: | |
136 | c-file-style: "gnu" | |
137 | End: | |
138 | */ |