* hooks.c, hooks.h (scm_make_hook_with_name): Removed deprecated

function.
* hooks.c, hooks.h: New files.

1 files changed, 127 insertions, 0 deletions

diff --git a/libguile/hooks.h b/libguile/hooks.h
new file mode 100644
index 000000000..8b89eaa5e
--- /dev/null
+++ b/libguile/hooks.h
@@ -0,0 +1,127 @@
+/* classes: h_files */
+
+#ifndef HOOKSH
+#define HOOKSH
+/*	Copyright (C) 1995, 1996, 1999, 2000 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.  */
+
+/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
+   gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
+
+
+#include "libguile/__scm.h"
+
+/*
+ * C level hooks
+ */
+
+/*
+ * The interface is designed for and- and or-type hooks which
+ * both may want to indicate success/failure and return a result.
+ */
+
+typedef enum scm_c_hook_type_t {
+  SCM_C_HOOK_NORMAL,
+  SCM_C_HOOK_OR,
+  SCM_C_HOOK_AND
+} scm_c_hook_type_t;
+
+typedef void  *(*scm_c_hook_function_t) (void *hook_data,
+					 void *func_data,
+					 void *data);
+
+typedef struct scm_c_hook_entry_t {
+  struct scm_c_hook_entry_t *next;
+  scm_c_hook_function_t func;
+  void *data;
+} scm_c_hook_entry_t;
+
+typedef struct scm_c_hook_t {
+  scm_c_hook_entry_t *first;
+  scm_c_hook_type_t type;
+  void *data;
+} scm_c_hook_t;
+
+extern void scm_c_hook_init (scm_c_hook_t *hook,
+			     void *hook_data,
+			     scm_c_hook_type_t type);
+extern void scm_c_hook_add (scm_c_hook_t *hook,
+			    scm_c_hook_function_t func,
+			    void *func_data, 
+			    int appendp);
+extern void scm_c_hook_remove (scm_c_hook_t *hook,
+			       scm_c_hook_function_t func,
+			       void *func_data);
+extern void *scm_c_hook_run (scm_c_hook_t *hook, void *data);
+
+/*
+ * Scheme level hooks
+ */
+
+#define SCM_HOOKP(x) (SCM_NIMP(x) && (SCM_TYP16 (x) == scm_tc16_hook))
+#define SCM_HOOK_ARITY(hook) (SCM_UNPACK_CAR (hook) >> 16)
+#define SCM_HOOK_NAME(hook) SCM_CADR (hook)
+#define SCM_HOOK_PROCEDURES(hook) SCM_CDDR (hook)
+#define SCM_SET_HOOK_PROCEDURES(hook, procs) SCM_SETCDR (SCM_CDR (hook), procs)
+
+extern long scm_tc16_hook;
+
+extern SCM scm_make_hook (SCM n_args);
+extern SCM scm_make_hook_with_name (SCM name, SCM n_args);
+extern SCM scm_create_hook (const char* name, int n_args);
+extern void scm_free_hook (SCM hook);
+extern SCM scm_hook_p (SCM x);
+extern SCM scm_hook_empty_p (SCM hook);
+extern SCM scm_add_hook_x (SCM hook, SCM thunk, SCM appendp);
+extern SCM scm_remove_hook_x (SCM hook, SCM thunk);
+extern SCM scm_reset_hook_x (SCM hook);
+extern SCM scm_run_hook (SCM hook, SCM args);
+extern void scm_c_run_hook (SCM hook, SCM args);
+extern SCM scm_hook_to_list (SCM hook);
+extern void scm_init_hooks (void);
+
+#endif  /* HOOKSH */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/