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* modules.c, modules.h: New files: C interface to modules. (This

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is necessary in order to interface the object system to Guile
properly.  The guts of these modules will be replaced by the new
module system in the future.)
This commit is contained in:
Mikael Djurfeldt 1998-11-22 12:05:14 +00:00
parent 345acb3967
commit 1ffa265b7c
2 changed files with 174 additions and 0 deletions
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116
libguile/modules.c Normal file
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/* Copyright (C) 1998 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
#include "_scm.h"
#include "eval.h"
#include "modules.h"
static SCM the_module;
SCM
scm_selected_module ()
{
return SCM_CDR (the_module);
}
static SCM set_current_module;
SCM
scm_select_module (SCM module)
{
SCM old = scm_selected_module ();
scm_apply (SCM_CDR (set_current_module), SCM_LIST1 (module), SCM_EOL);
return old;
}
SCM_SYMBOL (scm_sym_app, "app");
SCM_SYMBOL (scm_sym_modules, "modules");
static SCM module_prefix;
static SCM
scm_module_full_name (SCM name)
{
if (SCM_CAR (name) == scm_sym_app)
return name;
else
return scm_append (SCM_LIST2 (module_prefix, name));
}
static SCM make_modules_in;
SCM
scm_make_module (SCM name)
{
return scm_apply (SCM_CDR (make_modules_in),
SCM_LIST2 (scm_selected_module (),
scm_module_full_name (name)),
SCM_EOL);
}
static SCM module_eval_closure;
SCM
scm_module_lookup_closure (SCM module)
{
return scm_apply (SCM_CDR (module_eval_closure),
SCM_LIST1 (module),
SCM_EOL);
}
void
scm_init_modules ()
{
#include "modules.x"
}
void
scm_post_boot_init_modules ()
{
the_module = scm_intern0 ("the-module");
set_current_module = scm_intern0 ("set-current-module");
module_prefix = scm_permanent_object (SCM_LIST2 (scm_sym_app,
scm_sym_modules));
make_modules_in = scm_intern0 ("make-modules-in");
module_eval_closure = scm_intern0 ("module-eval-closure");
}

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libguile/modules.h Normal file
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/* classes: h_files */
#ifndef MODULESH
#define MODULESH
/* Copyright (C) 1998 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
#include "libguile/__scm.h"
extern SCM scm_selected_module (void);
extern SCM scm_select_module (SCM module);
extern SCM scm_make_module (SCM name);
extern SCM scm_module_lookup_closure (SCM module);
extern void scm_init_modules (void);
extern void scm_post_boot_init_modules (void);
#endif /* MODULESH */