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143 lines
4 KiB
C
143 lines
4 KiB
C
/* Copyright (C) 1998 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice. */
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#include "_scm.h"
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#include "eval.h"
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#include "modules.h"
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static SCM the_root_module;
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SCM
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scm_the_root_module ()
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{
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return SCM_CDR (the_root_module);
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}
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static SCM the_module;
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SCM
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scm_selected_module ()
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{
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return SCM_CDR (the_module);
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}
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static SCM set_current_module;
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SCM
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scm_select_module (SCM module)
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{
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SCM old = scm_selected_module ();
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scm_apply (SCM_CDR (set_current_module), SCM_LIST1 (module), SCM_EOL);
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return old;
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}
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SCM_SYMBOL (scm_sym_app, "app");
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SCM_SYMBOL (scm_sym_modules, "modules");
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static SCM module_prefix;
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static SCM
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scm_module_full_name (SCM name)
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{
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if (SCM_CAR (name) == scm_sym_app)
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return name;
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else
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return scm_append (SCM_LIST2 (module_prefix, name));
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}
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static SCM make_modules_in;
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static SCM beautify_user_module_x;
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SCM
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scm_make_module (SCM name)
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{
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return scm_apply (SCM_CDR (make_modules_in),
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SCM_LIST2 (scm_the_root_module (),
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scm_module_full_name (name)),
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SCM_EOL);
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}
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SCM
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scm_ensure_user_module (SCM module)
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{
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scm_apply (SCM_CDR (beautify_user_module_x), SCM_LIST1 (module), SCM_EOL);
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return SCM_UNSPECIFIED;
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}
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static SCM module_eval_closure;
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SCM
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scm_module_lookup_closure (SCM module)
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{
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return scm_apply (SCM_CDR (module_eval_closure),
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SCM_LIST1 (module),
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SCM_EOL);
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}
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static SCM try_module_autoload;
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SCM
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scm_load_scheme_module (SCM name)
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{
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return scm_apply (SCM_CDR (try_module_autoload), SCM_LIST1 (name), SCM_EOL);
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}
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void
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scm_init_modules ()
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{
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#include "modules.x"
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}
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void
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scm_post_boot_init_modules ()
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{
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the_root_module = scm_intern0 ("the-root-module");
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the_module = scm_intern0 ("the-module");
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set_current_module = scm_intern0 ("set-current-module");
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module_prefix = scm_permanent_object (SCM_LIST2 (scm_sym_app,
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scm_sym_modules));
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make_modules_in = scm_intern0 ("make-modules-in");
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beautify_user_module_x = scm_intern0 ("beautify-user-module!");
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module_eval_closure = scm_intern0 ("module-eval-closure");
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try_module_autoload = scm_intern0 ("try-module-autoload");
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}
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