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-rw-r--r--libguile/modules.c116
-rw-r--r--libguile/modules.h58
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 */