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116 lines
3 KiB
C
116 lines
3 KiB
C
/* Copyright (C) 1995,1996,1998,1999,2000,2001,2002, 2003, 2004 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include "libguile/_scm.h"
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#include "libguile/root.h"
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#include "libguile/strings.h"
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#include "libguile/validate.h"
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#include "libguile/fluids.h"
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#include "libguile/feature.h"
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static SCM progargs_fluid;
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static SCM features_var;
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void
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scm_add_feature (const char *str)
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{
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SCM old = SCM_VARIABLE_REF (features_var);
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SCM new = scm_cons (scm_from_locale_symbol (str), old);
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SCM_VARIABLE_SET (features_var, new);
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}
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SCM_DEFINE (scm_program_arguments, "program-arguments", 0, 0, 0,
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(),
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"@deffnx {Scheme Procedure} command-line\n"
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"Return the list of command line arguments passed to Guile, as a list of\n"
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"strings. The list includes the invoked program name, which is usually\n"
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"@code{\"guile\"}, but excludes switches and parameters for command line\n"
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"options like @code{-e} and @code{-l}.")
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#define FUNC_NAME s_scm_program_arguments
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{
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return scm_fluid_ref (progargs_fluid);
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}
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#undef FUNC_NAME
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/* Set the value returned by program-arguments, given ARGC and ARGV.
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If FIRST is non-zero, make it the first element; we do this in
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situations where other code (like getopt) has parsed out a few
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arguments, but we still want the script name to be the first
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element. */
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void
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scm_set_program_arguments (int argc, char **argv, char *first)
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{
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SCM args = scm_makfromstrs (argc, argv);
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if (first)
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args = scm_cons (scm_from_locale_string (first), args);
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scm_fluid_set_x (progargs_fluid, args);
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}
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void
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scm_init_feature()
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{
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progargs_fluid = scm_permanent_object (scm_make_fluid ());
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features_var = scm_c_define ("*features*", SCM_EOL);
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#ifndef _Windows
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scm_add_feature("system");
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#endif
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#ifdef vms
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scm_add_feature(s_ed);
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#endif
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#ifdef SICP
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scm_add_feature("sicp");
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#endif
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#ifndef GO32
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scm_add_feature("char-ready?");
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#endif
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#ifndef CHEAP_CONTINUATIONS
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scm_add_feature ("full-continuation");
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#endif
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#if SCM_USE_PTHREAD_THREADS
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scm_add_feature ("threads");
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#endif
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scm_c_define ("char-code-limit", scm_from_int (SCM_CHAR_CODE_LIMIT));
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#include "libguile/feature.x"
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}
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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