X-Git-Url: https://git.hcoop.net/bpt/guile.git/blobdiff_plain/c014a02eec7b99c54d8a156ce491ae8d1e341f97..9fdf9fd3ea7130fd85eaf0a333a965ac4d2b07c3:/libguile/gsubr.h diff --git a/libguile/gsubr.h b/libguile/gsubr.h dissimilarity index 89% index 131854c4f..74a08a242 100644 --- a/libguile/gsubr.h +++ b/libguile/gsubr.h @@ -1,97 +1,90 @@ -/* classes: h_files */ - -#ifndef GSUBRH -#define GSUBRH -/* Copyright (C) 1995,1996,1998, 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. */ - - -#include "libguile/__scm.h" - - - -#define SCM_GSUBR_MAKTYPE(req, opt, rst) ((req)|((opt)<<4)|((rst)<<8)) -#define SCM_GSUBR_REQ(x) ((long)(x)&0xf) -#define SCM_GSUBR_OPT(x) (((long)(x)&0xf0)>>4) -#define SCM_GSUBR_REST(x) ((long)(x)>>8) - -#define SCM_GSUBR_MAX 10 -#define SCM_GSUBR_TYPE(cclo) (SCM_CCLO_REF ((cclo), 1)) -#define SCM_SET_GSUBR_TYPE(cclo, type) (SCM_CCLO_SET ((cclo), 1, (type))) -#define SCM_GSUBR_PROC(cclo) (SCM_CCLO_REF ((cclo), 2)) -#define SCM_SET_GSUBR_PROC(cclo, proc) (SCM_CCLO_SET ((cclo), 2, (proc))) - -extern SCM scm_f_gsubr_apply; - -extern SCM scm_c_make_gsubr (const char *name, - int req, int opt, int rst, SCM (*fcn) ()); -extern SCM scm_c_make_gsubr_with_generic (const char *name, - int req, int opt, int rst, - SCM (*fcn) (), SCM *gf); -extern SCM scm_c_define_gsubr (const char *name, - int req, int opt, int rst, SCM (*fcn) ()); -extern SCM scm_c_define_gsubr_with_generic (const char *name, - int req, int opt, int rst, - SCM (*fcn) (), SCM *gf); - -extern SCM scm_gsubr_apply (SCM args); -extern void scm_init_gsubr (void); - -#if SCM_DEBUG_DEPRECATED == 0 - -extern SCM scm_make_gsubr (const char *name, int req, int opt, int rst, - SCM (*fcn)()); -extern SCM scm_make_gsubr_with_generic (const char *name, - int req, - int opt, - int rst, - SCM (*fcn)(), - SCM *gf); - -#endif - -#endif /* GSUBRH */ - -/* - Local Variables: - c-file-style: "gnu" - End: -*/ +/* classes: h_files */ + +#ifndef SCM_GSUBR_H +#define SCM_GSUBR_H + +/* Copyright (C) 1995,1996,1998,2000,2001, 2006, 2008, 2009 Free Software Foundation, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 3 of + * the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + + +#include "libguile/__scm.h" + + + + +/* Subrs + */ + +#define SCM_PRIMITIVE_P(x) (SCM_NIMP (x) && SCM_TYP7 (x) == scm_tc7_gsubr) +#define SCM_PRIMITIVE_GENERIC_P(x) (SCM_PRIMITIVE_P (x) && SCM_SUBR_GENERIC (x)) + +#define SCM_SUBR_META_INFO(x) ((SCM *) SCM_CELL_WORD_3 (x)) +#define SCM_SUBR_NAME(x) (SCM_SUBR_META_INFO (x) [0]) +#define SCM_SUBRF(x) ((SCM (*)()) SCM_CELL_WORD_1 (x)) +#define SCM_SUBR_PROPS(x) (SCM_SUBR_META_INFO (x) [1]) +#define SCM_SUBR_GENERIC(x) ((SCM *) SCM_CELL_WORD_2 (x)) +#define SCM_SET_SUBR_GENERIC(x, g) (*((SCM *) SCM_CELL_WORD_2 (x)) = (g)) +#define SCM_SET_SUBR_GENERIC_LOC(x, g) (SCM_SET_CELL_WORD_2 (x, (scm_t_bits) g)) + +/* Return the most suitable subr type for a subr with REQ required arguments, + OPT optional arguments, and REST (0 or 1) arguments. This has to be in + sync with `create_gsubr ()'. */ +#define SCM_SUBR_ARITY_TO_TYPE(req, opt, rest) \ + (scm_tc7_gsubr | (SCM_GSUBR_MAKTYPE (req, opt, rest) << 8U)) + + + + + + +/* Return an integer describing the arity of GSUBR, a subr of type + `scm_tc7_gsubr'. The result can be interpreted with `SCM_GSUBR_REQ ()' + and similar. */ +#define SCM_GSUBR_TYPE(gsubr) (SCM_CELL_TYPE (gsubr) >> 8) + +#define SCM_GSUBR_MAKTYPE(req, opt, rst) ((req)|((opt)<<4)|((rst)<<8)) +#define SCM_GSUBR_MAX 33 +#define SCM_GSUBR_REQ(x) ((long)(x)&0xf) +#define SCM_GSUBR_OPT(x) (((long)(x)&0xf0)>>4) +#define SCM_GSUBR_REST(x) ((long)(x)>>8) + +SCM_API SCM scm_c_make_gsubr (const char *name, + int req, int opt, int rst, SCM (*fcn) ()); +SCM_API SCM scm_c_make_gsubr_with_generic (const char *name, + int req, int opt, int rst, + SCM (*fcn) (), SCM *gf); +SCM_API SCM scm_c_define_gsubr (const char *name, + int req, int opt, int rst, SCM (*fcn) ()); +SCM_API SCM scm_c_define_gsubr_with_generic (const char *name, + int req, int opt, int rst, + SCM (*fcn) (), SCM *gf); + +SCM_INTERNAL SCM scm_i_gsubr_apply (SCM proc, SCM arg, ...); +SCM_INTERNAL SCM scm_i_gsubr_apply_list (SCM proc, SCM args); +SCM_INTERNAL SCM scm_i_gsubr_apply_array (SCM proc, SCM *args, int nargs, + int headroom); +SCM_INTERNAL void scm_init_gsubr (void); + +#endif /* SCM_GSUBR_H */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/