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ed4c3739 LC |
1 | /* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
2 | * 2006, 2007, 2009, 2011 Free Software Foundation, Inc. | |
3 | * | |
73be1d9e | 4 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
5 | * modify it under the terms of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation; either version 3 of | |
7 | * the License, or (at your option) any later version. | |
0f2d19dd | 8 | * |
53befeb7 NJ |
9 | * This library is distributed in the hope that it will be useful, but |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. | |
0f2d19dd | 13 | * |
73be1d9e MV |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | * 02110-1301 USA | |
73be1d9e | 18 | */ |
1bbd0b84 | 19 | |
1bbd0b84 | 20 | |
0f2d19dd | 21 | \f |
dbb605f5 | 22 | #ifdef HAVE_CONFIG_H |
b652768e RB |
23 | # include <config.h> |
24 | #endif | |
0f2d19dd | 25 | |
1a450153 DH |
26 | #ifdef HAVE_STRING_H |
27 | #include <string.h> | |
28 | #endif | |
0f2d19dd | 29 | |
1a450153 | 30 | #include "libguile/_scm.h" |
a0599745 | 31 | #include "libguile/root.h" |
a0599745 | 32 | #include "libguile/strings.h" |
a0599745 | 33 | #include "libguile/validate.h" |
73129443 | 34 | #include "libguile/fluids.h" |
1a450153 | 35 | |
a0599745 | 36 | #include "libguile/feature.h" |
20e6290e | 37 | |
0f2d19dd JB |
38 | \f |
39 | ||
ed4c3739 LC |
40 | SCM scm_program_arguments_fluid; |
41 | ||
86d31dfe | 42 | static SCM features_var; |
1a450153 | 43 | |
0f2d19dd | 44 | void |
6e8d25a6 | 45 | scm_add_feature (const char *str) |
0f2d19dd | 46 | { |
86d31dfe | 47 | SCM old = SCM_VARIABLE_REF (features_var); |
cc95e00a | 48 | SCM new = scm_cons (scm_from_locale_symbol (str), old); |
86d31dfe | 49 | SCM_VARIABLE_SET (features_var, new); |
0f2d19dd JB |
50 | } |
51 | ||
0f2d19dd | 52 | \f |
0b886892 | 53 | |
3b3b36dd | 54 | SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0, |
d46e4713 | 55 | (), |
8f85c0c6 | 56 | "@deffnx {Scheme Procedure} command-line\n" |
d46e4713 NJ |
57 | "Return the list of command line arguments passed to Guile, as a list of\n" |
58 | "strings. The list includes the invoked program name, which is usually\n" | |
59 | "@code{\"guile\"}, but excludes switches and parameters for command line\n" | |
60 | "options like @code{-e} and @code{-l}.") | |
1bbd0b84 | 61 | #define FUNC_NAME s_scm_program_arguments |
0f2d19dd | 62 | { |
ed4c3739 | 63 | return scm_fluid_ref (scm_program_arguments_fluid); |
0f2d19dd | 64 | } |
1bbd0b84 | 65 | #undef FUNC_NAME |
0f2d19dd | 66 | |
f29de790 JB |
67 | /* Set the value returned by program-arguments, given ARGC and ARGV. |
68 | ||
69 | If FIRST is non-zero, make it the first element; we do this in | |
70 | situations where other code (like getopt) has parsed out a few | |
71 | arguments, but we still want the script name to be the first | |
72 | element. */ | |
0b886892 | 73 | void |
1bbd0b84 | 74 | scm_set_program_arguments (int argc, char **argv, char *first) |
0b886892 | 75 | { |
73129443 | 76 | SCM args = scm_makfromstrs (argc, argv); |
f29de790 | 77 | if (first) |
73129443 | 78 | args = scm_cons (scm_from_locale_string (first), args); |
ed4c3739 | 79 | scm_fluid_set_x (scm_program_arguments_fluid, args); |
0b886892 JB |
80 | } |
81 | ||
23d72566 KR |
82 | SCM_DEFINE (scm_set_program_arguments_scm, "set-program-arguments", 1, 0, 0, |
83 | (SCM lst), | |
84 | "Set the command line arguments to be returned by\n" | |
85 | "@code{program-arguments} (and @code{command-line}). @var{lst}\n" | |
86 | "should be a list of strings, the first of which is the program\n" | |
87 | "name (either a script name, or just @code{\"guile\"}).\n" | |
88 | "\n" | |
89 | "Program arguments are held in a fluid and therefore have a\n" | |
90 | "separate value in each Guile thread. Neither the list nor the\n" | |
91 | "strings within it are copied, so should not be modified later.") | |
92 | #define FUNC_NAME s_scm_set_program_arguments_scm | |
93 | { | |
ed4c3739 | 94 | return scm_fluid_set_x (scm_program_arguments_fluid, lst); |
23d72566 KR |
95 | } |
96 | #undef FUNC_NAME | |
97 | ||
0f2d19dd | 98 | |
0f2d19dd JB |
99 | \f |
100 | ||
0f2d19dd JB |
101 | void |
102 | scm_init_feature() | |
0f2d19dd | 103 | { |
ed4c3739 | 104 | scm_program_arguments_fluid = scm_make_fluid (); |
73129443 | 105 | |
86d31dfe | 106 | features_var = scm_c_define ("*features*", SCM_EOL); |
0f2d19dd JB |
107 | #ifndef _Windows |
108 | scm_add_feature("system"); | |
109 | #endif | |
110 | #ifdef vms | |
111 | scm_add_feature(s_ed); | |
112 | #endif | |
113 | #ifdef SICP | |
114 | scm_add_feature("sicp"); | |
115 | #endif | |
116 | #ifndef GO32 | |
117 | scm_add_feature("char-ready?"); | |
118 | #endif | |
119 | #ifndef CHEAP_CONTINUATIONS | |
120 | scm_add_feature ("full-continuation"); | |
121 | #endif | |
73129443 | 122 | #if SCM_USE_PTHREAD_THREADS |
a6cba733 | 123 | scm_add_feature ("threads"); |
73129443 MV |
124 | #endif |
125 | ||
e11e83f3 | 126 | scm_c_define ("char-code-limit", scm_from_int (SCM_CHAR_CODE_LIMIT)); |
26425129 | 127 | |
a0599745 | 128 | #include "libguile/feature.x" |
0f2d19dd | 129 | } |
89e00824 ML |
130 | |
131 | /* | |
132 | Local Variables: | |
133 | c-file-style: "gnu" | |
134 | End: | |
135 | */ |