5 /* Copyright (C) 1995,1996 Free Software Foundation, Inc.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this software; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20 * Boston, MA 02111-1307 USA
22 * As a special exception, the Free Software Foundation gives permission
23 * for additional uses of the text contained in its release of GUILE.
25 * The exception is that, if you link the GUILE library with other files
26 * to produce an executable, this does not by itself cause the
27 * resulting executable to be covered by the GNU General Public License.
28 * Your use of that executable is in no way restricted on account of
29 * linking the GUILE library code into it.
31 * This exception does not however invalidate any other reasons why
32 * the executable file might be covered by the GNU General Public License.
34 * This exception applies only to the code released by the
35 * Free Software Foundation under the name GUILE. If you copy
36 * code from other Free Software Foundation releases into a copy of
37 * GUILE, as the General Public License permits, the exception does
38 * not apply to the code that you add in this way. To avoid misleading
39 * anyone as to the status of such modified files, you must delete
40 * this exception notice from them.
42 * If you write modifications of your own for GUILE, it is your choice
43 * whether to permit this exception to apply to your modifications.
44 * If you do not wish that, delete this exception notice. */
47 #include "libguile/__scm.h"
55 typedef struct scm_subr
61 typedef struct scm_iproc
67 typedef struct scm_dsubr
73 #define SCM_SNAME(x) ((SCM_CAR(x)>>8)?(SCM)(scm_heap_org+(SCM_CAR(x)>>8)):scm_nullstr)
74 #define SCM_SUBRF(x) (((scm_subr *)(SCM2PTR(x)))->cproc)
75 #define SCM_DSUBRF(x) (((scm_dsubr *)(SCM2PTR(x)))->dproc)
76 #define SCM_CCLO_SUBR(x) (SCM_VELTS(x)[0])
81 #define SCM_CLOSUREP(x) (SCM_TYP3(x)==scm_tc3_closure)
82 #define SCM_CLOSCAR(x) (SCM_CAR(x)-scm_tc3_closure)
83 #define SCM_CODE(x) SCM_CAR(SCM_CLOSCAR (x))
84 #define SCM_PROCPROPS(x) SCM_CDR(SCM_CLOSCAR (x))
85 #define SCM_SETPROCPROPS(x, p) SCM_SETCDR(SCM_CLOSCAR (x), p)
86 #define SCM_SETCODE(x, e) (SCM_SETCAR (x, scm_cons ((e), SCM_EOL) + scm_tc3_closure))
87 #define SCM_ENV(x) SCM_CDR(x)
88 #define SCM_SETENV(x, e) SCM_SETCDR (x, e)
89 #define SCM_TOP_LEVEL(SCM_ENV) (SCM_NULLP(SCM_ENV) || (SCM_BOOL_T == scm_procedure_p (SCM_CAR (SCM_ENV))))
93 extern SCM scm_make_subr
SCM_P ((char *name
, int type
, SCM (*fcn
) ()));
94 extern SCM scm_make_subr_opt
SCM_P ((char *name
, int type
, SCM (*fcn
) (),
96 extern SCM scm_makcclo
SCM_P ((SCM proc
, long len
));
97 extern SCM scm_procedure_p
SCM_P ((SCM obj
));
98 extern SCM scm_closure_p
SCM_P ((SCM obj
));
99 extern SCM scm_thunk_p
SCM_P ((SCM obj
));
100 extern void scm_init_iprocs
SCM_P ((scm_iproc
*subra
, int type
));
101 extern void scm_init_procs
SCM_P ((void));