diff options
-rw-r--r-- | libguile/modules.c | 116 | ||||
-rw-r--r-- | libguile/modules.h | 58 |
2 files changed, 174 insertions, 0 deletions
diff --git a/libguile/modules.c b/libguile/modules.c new file mode 100644 index 000000000..d9ec10c43 --- /dev/null +++ b/libguile/modules.c @@ -0,0 +1,116 @@ +/* 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"); +} diff --git a/libguile/modules.h b/libguile/modules.h new file mode 100644 index 000000000..b6bc6213a --- /dev/null +++ b/libguile/modules.h @@ -0,0 +1,58 @@ +/* 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 */ |