| | 1 | /* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
| | 2 | * 2006, 2007, 2009, 2011, 2013 Free Software Foundation, Inc. |
| | 3 | * |
| | 4 | * This library is free software; you can redistribute it and/or |
| | 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. |
| | 8 | * |
| | 9 | * This library is distributed in the hope that it will be useful, but |
| | 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| | 12 | * Lesser General Public License for more details. |
| | 13 | * |
| | 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 |
| | 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| | 17 | * 02110-1301 USA |
| | 18 | */ |
| | 19 | |
| | 20 | |
| | 21 | \f |
| | 22 | #ifdef HAVE_CONFIG_H |
| | 23 | # include <config.h> |
| | 24 | #endif |
| | 25 | |
| | 26 | #ifdef HAVE_STRING_H |
| | 27 | #include <string.h> |
| | 28 | #endif |
| | 29 | |
| | 30 | #include "libguile/_scm.h" |
| | 31 | #include "libguile/root.h" |
| | 32 | #include "libguile/strings.h" |
| | 33 | #include "libguile/validate.h" |
| | 34 | #include "libguile/fluids.h" |
| | 35 | |
| | 36 | #include "libguile/feature.h" |
| | 37 | |
| | 38 | \f |
| | 39 | |
| | 40 | SCM scm_program_arguments_fluid; |
| | 41 | |
| | 42 | static SCM features_var; |
| | 43 | |
| | 44 | void |
| | 45 | scm_add_feature (const char *str) |
| | 46 | { |
| | 47 | SCM old = SCM_VARIABLE_REF (features_var); |
| | 48 | SCM new = scm_cons (scm_from_utf8_symbol (str), old); |
| | 49 | SCM_VARIABLE_SET (features_var, new); |
| | 50 | } |
| | 51 | |
| | 52 | \f |
| | 53 | |
| | 54 | SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0, |
| | 55 | (), |
| | 56 | "@deffnx {Scheme Procedure} command-line\n" |
| | 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}.") |
| | 61 | #define FUNC_NAME s_scm_program_arguments |
| | 62 | { |
| | 63 | return scm_fluid_ref (scm_program_arguments_fluid); |
| | 64 | } |
| | 65 | #undef FUNC_NAME |
| | 66 | |
| | 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. */ |
| | 73 | void |
| | 74 | scm_set_program_arguments (int argc, char **argv, char *first) |
| | 75 | { |
| | 76 | SCM args = scm_makfromstrs (argc, argv); |
| | 77 | if (first) |
| | 78 | args = scm_cons (scm_from_locale_string (first), args); |
| | 79 | scm_fluid_set_x (scm_program_arguments_fluid, args); |
| | 80 | } |
| | 81 | |
| | 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 | { |
| | 94 | return scm_fluid_set_x (scm_program_arguments_fluid, lst); |
| | 95 | } |
| | 96 | #undef FUNC_NAME |
| | 97 | |
| | 98 | |
| | 99 | \f |
| | 100 | |
| | 101 | void |
| | 102 | scm_init_feature() |
| | 103 | { |
| | 104 | scm_program_arguments_fluid = scm_make_fluid (); |
| | 105 | |
| | 106 | features_var = scm_c_define ("*features*", SCM_EOL); |
| | 107 | #ifndef _Windows |
| | 108 | scm_add_feature("system"); |
| | 109 | #endif |
| | 110 | #ifdef vms |
| | 111 | scm_add_feature(s_ed); |
| | 112 | #endif |
| | 113 | #ifndef GO32 |
| | 114 | scm_add_feature("char-ready?"); |
| | 115 | #endif |
| | 116 | #if SCM_USE_PTHREAD_THREADS |
| | 117 | scm_add_feature ("threads"); |
| | 118 | #endif |
| | 119 | |
| | 120 | #include "libguile/feature.x" |
| | 121 | } |
| | 122 | |
| | 123 | /* |
| | 124 | Local Variables: |
| | 125 | c-file-style: "gnu" |
| | 126 | End: |
| | 127 | */ |
HCoop / bpt / guile.git / blame_incremental