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- /* classes: h_files */
-
- #ifndef PROCSH
- #define PROCSH
- /* Copyright (C) 1995,1996,1998 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"
-
-
-
-
- /* Subrs
- */
-
- typedef struct scm_subr
- {
- long sname;
- SCM (*cproc) ();
- } scm_subr;
-
- typedef struct scm_iproc
- {
- char *scm_string;
- SCM (*cproc) ();
- } scm_iproc;
-
- typedef struct scm_dsubr
- {
- long sname;
- double (*dproc) ();
- } scm_dsubr;
-
- #define SCM_SNAME(x) ((SCM_CAR(x)>>8)?(SCM)(scm_heap_org+(SCM_CAR(x)>>8)):scm_nullstr)
- #define SCM_SUBRF(x) (((scm_subr *)(SCM2PTR(x)))->cproc)
- #define SCM_DSUBRF(x) (((scm_dsubr *)(SCM2PTR(x)))->dproc)
- #define SCM_CCLO_SUBR(x) (SCM_VELTS(x)[0])
-
- /* Closures
- */
-
- #define SCM_CLOSUREP(x) (SCM_TYP3(x)==scm_tc3_closure)
- #define SCM_CLOSCAR(x) (SCM_CAR(x)-scm_tc3_closure)
- #define SCM_CODE(x) SCM_CAR(SCM_CLOSCAR (x))
- #define SCM_PROCPROPS(x) SCM_CDR(SCM_CLOSCAR (x))
- #define SCM_SETPROCPROPS(x, p) SCM_SETCDR(SCM_CLOSCAR (x), p)
- #define SCM_SETCODE(x, e) (SCM_SETCAR (x, scm_cons ((e), SCM_EOL) + scm_tc3_closure))
- #define SCM_ENV(x) SCM_CDR(x)
- #define SCM_SETENV(x, e) SCM_SETCDR (x, e)
- #define SCM_TOP_LEVEL(SCM_ENV) (SCM_NULLP(SCM_ENV) || (SCM_BOOL_T == scm_procedure_p (SCM_CAR (SCM_ENV))))
-
-
-
- extern SCM scm_make_subr SCM_P ((char *name, int type, SCM (*fcn) ()));
- extern SCM scm_make_subr_opt SCM_P ((char *name, int type, SCM (*fcn) (),
- int set));
- extern SCM scm_makcclo SCM_P ((SCM proc, long len));
- extern SCM scm_procedure_p SCM_P ((SCM obj));
- extern SCM scm_closure_p SCM_P ((SCM obj));
- extern SCM scm_thunk_p SCM_P ((SCM obj));
- extern void scm_init_iprocs SCM_P ((scm_iproc *subra, int type));
- extern void scm_init_procs SCM_P ((void));
-
- #ifdef GUILE_DEBUG
- extern SCM scm_make_cclo SCM_P ((SCM proc, SCM len));
- #endif /*GUILE_DEBUG*/
-
-
- #endif /* PROCSH */
-