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procedure throughout. * procs.c, procs.h (SCM_PROCEDURE_WITH_SETTER_P, SCM_GETTER, SCM_SETTER): New macros. (scm_procedure_with_setter_p, scm_make_procedure_with_setter, scm_getter, scm_setter): New procedures.
121 lines
4.2 KiB
C
121 lines
4.2 KiB
C
/* classes: h_files */
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#ifndef PROCSH
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#define PROCSH
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/* Copyright (C) 1995,1996,1998 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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#include "libguile/__scm.h"
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/* Subrs
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*/
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typedef struct scm_subr
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{
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long sname;
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SCM (*cproc) ();
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} scm_subr;
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typedef struct scm_iproc
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{
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char *scm_string;
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SCM (*cproc) ();
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} scm_iproc;
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typedef struct scm_dsubr
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{
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long sname;
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double (*dproc) ();
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} scm_dsubr;
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#define SCM_SNAME(x) ((SCM_CAR(x)>>8)?(SCM)(scm_heap_org+(SCM_CAR(x)>>8)):scm_nullstr)
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#define SCM_SUBRF(x) (((scm_subr *)(SCM2PTR(x)))->cproc)
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#define SCM_DSUBRF(x) (((scm_dsubr *)(SCM2PTR(x)))->dproc)
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#define SCM_CCLO_SUBR(x) (SCM_VELTS(x)[0])
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/* Closures
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*/
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#define SCM_CLOSUREP(x) (SCM_TYP3(x)==scm_tc3_closure)
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#define SCM_CLOSCAR(x) (SCM_CAR(x)-scm_tc3_closure)
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#define SCM_CODE(x) SCM_CAR(SCM_CLOSCAR (x))
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#define SCM_PROCPROPS(x) SCM_CDR(SCM_CLOSCAR (x))
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#define SCM_SETPROCPROPS(x, p) SCM_SETCDR(SCM_CLOSCAR (x), p)
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#define SCM_SETCODE(x, e) (SCM_SETCAR (x, scm_cons ((e), SCM_EOL) + scm_tc3_closure))
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#define SCM_ENV(x) SCM_CDR(x)
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#define SCM_SETENV(x, e) SCM_SETCDR (x, e)
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#define SCM_TOP_LEVEL(SCM_ENV) (SCM_NULLP(SCM_ENV) || (SCM_BOOL_T == scm_procedure_p (SCM_CAR (SCM_ENV))))
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/* Prcoedure-with-setter
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*/
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#define SCM_PROCEDURE_WITH_SETTER_P(obj) (SCM_TYP7 (obj) == scm_tc7_pws)
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#define SCM_PROCEDURE(obj) SCM_CADR (obj)
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#define SCM_SETTER(obj) SCM_CDDR (obj)
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extern SCM scm_make_subr SCM_P ((const char *name, int type, SCM (*fcn) ()));
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extern SCM scm_make_subr_opt SCM_P ((const char *name,
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int type,
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SCM (*fcn) (),
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int set));
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extern SCM scm_makcclo SCM_P ((SCM proc, long len));
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extern SCM scm_procedure_p SCM_P ((SCM obj));
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extern SCM scm_closure_p SCM_P ((SCM obj));
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extern SCM scm_thunk_p SCM_P ((SCM obj));
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extern SCM scm_procedure_documentation SCM_P ((SCM proc));
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extern SCM scm_procedure_with_setter_p SCM_P ((SCM obj));
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extern SCM scm_make_procedure_with_setter SCM_P ((SCM procedure, SCM setter));
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extern SCM scm_procedure SCM_P ((SCM proc));
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extern SCM scm_setter SCM_P ((SCM proc));
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extern void scm_init_iprocs SCM_P ((const scm_iproc *subra, int type));
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extern void scm_init_procs SCM_P ((void));
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#ifdef GUILE_DEBUG
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extern SCM scm_make_cclo SCM_P ((SCM proc, SCM len));
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#endif /*GUILE_DEBUG*/
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#endif /* PROCSH */
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