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c209c88e54
name for a Scheme object (now a void*), and SCM as 32 bit word for storing tags and immediates (now a long int). Introduced SCM_ASWORD and SCM_ASSCM for conversion. Fixed various dubious code in the process: arbiter.c (use macros), unif.c (scm_array_p),
78 lines
3.4 KiB
C
78 lines
3.4 KiB
C
/* classes: h_files */
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#ifndef FEATUREH
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#define FEATUREH
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/* Copyright (C) 1995, 1996, 1999 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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/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
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gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
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#include "libguile/__scm.h"
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#define SCM_HOOKP(x) (SCM_NIMP(x) && (SCM_TYP16 (x) == scm_tc16_hook))
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#define SCM_HOOK_ARITY(hook) (SCM_CARW (hook) >> 16)
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#define SCM_HOOK_NAME(hook) SCM_CADR (hook)
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#define SCM_HOOK_PROCEDURES(hook) SCM_CDDR (hook)
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#define SCM_SET_HOOK_PROCEDURES(hook, procs) SCM_SETCDR (SCM_CDR (hook), procs)
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extern long scm_tc16_hook;
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extern void scm_add_feature (const char* str);
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extern SCM scm_program_arguments (void);
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extern void scm_set_program_arguments (int argc, char **argv, char *first);
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extern SCM scm_make_hook (SCM n_args);
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extern SCM scm_make_hook_with_name (SCM name, SCM n_args);
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extern SCM scm_create_hook (const char* name, int n_args);
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extern void scm_free_hook (SCM hook);
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extern SCM scm_make_named_hook (const char* name, int n_args);
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extern SCM scm_hook_p (SCM x);
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extern SCM scm_hook_empty_p (SCM hook);
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extern SCM scm_add_hook_x (SCM hook, SCM thunk, SCM appendp);
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extern SCM scm_remove_hook_x (SCM hook, SCM thunk);
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extern SCM scm_reset_hook_x (SCM hook);
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extern SCM scm_run_hook (SCM hook, SCM args);
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extern void scm_c_run_hook (SCM hook, SCM args);
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extern SCM scm_hook_to_list (SCM hook);
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extern void scm_init_feature (void);
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#endif /* FEATUREH */
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