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23d72566 | 1 | /* Copyright (C) 1995,1996,1998,1999,2000,2001,2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library 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 GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
92205699 | 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 16 | */ |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
0f2d19dd | 19 | \f |
b652768e RB |
20 | #if HAVE_CONFIG_H |
21 | # include <config.h> | |
22 | #endif | |
0f2d19dd | 23 | |
1a450153 DH |
24 | #ifdef HAVE_STRING_H |
25 | #include <string.h> | |
26 | #endif | |
0f2d19dd | 27 | |
1a450153 | 28 | #include "libguile/_scm.h" |
a0599745 | 29 | #include "libguile/root.h" |
a0599745 | 30 | #include "libguile/strings.h" |
a0599745 | 31 | #include "libguile/validate.h" |
73129443 | 32 | #include "libguile/fluids.h" |
1a450153 | 33 | |
a0599745 | 34 | #include "libguile/feature.h" |
20e6290e | 35 | |
0f2d19dd JB |
36 | \f |
37 | ||
73129443 | 38 | static SCM progargs_fluid; |
86d31dfe | 39 | static SCM features_var; |
1a450153 | 40 | |
0f2d19dd | 41 | void |
6e8d25a6 | 42 | scm_add_feature (const char *str) |
0f2d19dd | 43 | { |
86d31dfe | 44 | SCM old = SCM_VARIABLE_REF (features_var); |
cc95e00a | 45 | SCM new = scm_cons (scm_from_locale_symbol (str), old); |
86d31dfe | 46 | SCM_VARIABLE_SET (features_var, new); |
0f2d19dd JB |
47 | } |
48 | ||
0f2d19dd | 49 | \f |
0b886892 | 50 | |
3b3b36dd | 51 | SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0, |
d46e4713 | 52 | (), |
8f85c0c6 | 53 | "@deffnx {Scheme Procedure} command-line\n" |
d46e4713 NJ |
54 | "Return the list of command line arguments passed to Guile, as a list of\n" |
55 | "strings. The list includes the invoked program name, which is usually\n" | |
56 | "@code{\"guile\"}, but excludes switches and parameters for command line\n" | |
57 | "options like @code{-e} and @code{-l}.") | |
1bbd0b84 | 58 | #define FUNC_NAME s_scm_program_arguments |
0f2d19dd | 59 | { |
73129443 | 60 | return scm_fluid_ref (progargs_fluid); |
0f2d19dd | 61 | } |
1bbd0b84 | 62 | #undef FUNC_NAME |
0f2d19dd | 63 | |
f29de790 JB |
64 | /* Set the value returned by program-arguments, given ARGC and ARGV. |
65 | ||
66 | If FIRST is non-zero, make it the first element; we do this in | |
67 | situations where other code (like getopt) has parsed out a few | |
68 | arguments, but we still want the script name to be the first | |
69 | element. */ | |
0b886892 | 70 | void |
1bbd0b84 | 71 | scm_set_program_arguments (int argc, char **argv, char *first) |
0b886892 | 72 | { |
73129443 | 73 | SCM args = scm_makfromstrs (argc, argv); |
f29de790 | 74 | if (first) |
73129443 MV |
75 | args = scm_cons (scm_from_locale_string (first), args); |
76 | scm_fluid_set_x (progargs_fluid, args); | |
0b886892 JB |
77 | } |
78 | ||
23d72566 KR |
79 | SCM_DEFINE (scm_set_program_arguments_scm, "set-program-arguments", 1, 0, 0, |
80 | (SCM lst), | |
81 | "Set the command line arguments to be returned by\n" | |
82 | "@code{program-arguments} (and @code{command-line}). @var{lst}\n" | |
83 | "should be a list of strings, the first of which is the program\n" | |
84 | "name (either a script name, or just @code{\"guile\"}).\n" | |
85 | "\n" | |
86 | "Program arguments are held in a fluid and therefore have a\n" | |
87 | "separate value in each Guile thread. Neither the list nor the\n" | |
88 | "strings within it are copied, so should not be modified later.") | |
89 | #define FUNC_NAME s_scm_set_program_arguments_scm | |
90 | { | |
91 | return scm_fluid_set_x (progargs_fluid, lst); | |
92 | } | |
93 | #undef FUNC_NAME | |
94 | ||
0f2d19dd | 95 | |
0f2d19dd JB |
96 | \f |
97 | ||
0f2d19dd JB |
98 | void |
99 | scm_init_feature() | |
0f2d19dd | 100 | { |
73129443 MV |
101 | progargs_fluid = scm_permanent_object (scm_make_fluid ()); |
102 | ||
86d31dfe | 103 | features_var = scm_c_define ("*features*", SCM_EOL); |
0f2d19dd JB |
104 | #ifndef _Windows |
105 | scm_add_feature("system"); | |
106 | #endif | |
107 | #ifdef vms | |
108 | scm_add_feature(s_ed); | |
109 | #endif | |
110 | #ifdef SICP | |
111 | scm_add_feature("sicp"); | |
112 | #endif | |
113 | #ifndef GO32 | |
114 | scm_add_feature("char-ready?"); | |
115 | #endif | |
116 | #ifndef CHEAP_CONTINUATIONS | |
117 | scm_add_feature ("full-continuation"); | |
118 | #endif | |
73129443 | 119 | #if SCM_USE_PTHREAD_THREADS |
a6cba733 | 120 | scm_add_feature ("threads"); |
73129443 MV |
121 | #endif |
122 | ||
e11e83f3 | 123 | scm_c_define ("char-code-limit", scm_from_int (SCM_CHAR_CODE_LIMIT)); |
26425129 | 124 | |
a0599745 | 125 | #include "libguile/feature.x" |
0f2d19dd | 126 | } |
89e00824 ML |
127 | |
128 | /* | |
129 | Local Variables: | |
130 | c-file-style: "gnu" | |
131 | End: | |
132 | */ |