1 /* Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2, or (at your option)
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this software; see the file COPYING. If not, write to
15 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 * Boston, MA 02111-1307 USA
18 * As a special exception, the Free Software Foundation gives permission
19 * for additional uses of the text contained in its release of GUILE.
21 * The exception is that, if you link the GUILE library with other files
22 * to produce an executable, this does not by itself cause the
23 * resulting executable to be covered by the GNU General Public License.
24 * Your use of that executable is in no way restricted on account of
25 * linking the GUILE library code into it.
27 * This exception does not however invalidate any other reasons why
28 * the executable file might be covered by the GNU General Public License.
30 * This exception applies only to the code released by the
31 * Free Software Foundation under the name GUILE. If you copy
32 * code from other Free Software Foundation releases into a copy of
33 * GUILE, as the General Public License permits, the exception does
34 * not apply to the code that you add in this way. To avoid misleading
35 * anyone as to the status of such modified files, you must delete
36 * this exception notice from them.
38 * If you write modifications of your own for GUILE, it is your choice
39 * whether to permit this exception to apply to your modifications.
40 * If you do not wish that, delete this exception notice. */
55 scm_make_subr_opt (name
, type
, fcn
, set
)
64 symcell
= scm_sysintern (name
, SCM_UNDEFINED
);
65 tmp
= ((((SCM_CELLPTR
) (SCM_CAR (symcell
))) - scm_heap_org
) << 8);
66 if ((tmp
>> 8) != ((SCM_CELLPTR
) (SCM_CAR (symcell
)) - scm_heap_org
))
70 SCM_SETCAR (z
, tmp
+ type
);
72 SCM_SETCDR (symcell
, z
);
79 scm_make_subr (name
, type
, fcn
)
84 return scm_make_subr_opt (name
, type
, fcn
, 1);
90 scm_makcclo (proc
, len
)
97 SCM_SETCHARS (s
, scm_must_malloc (len
* sizeof (SCM
), "compiled-closure"));
98 SCM_SETLENGTH (s
, len
, scm_tc7_cclo
);
100 SCM_VELTS (s
)[len
] = SCM_UNSPECIFIED
;
101 SCM_CCLO_SUBR (s
) = proc
;
106 /* Undocumented debugging procedure */
108 SCM_PROC (s_make_cclo
, "make-cclo", 2, 0, 0, scm_make_cclo
);
111 scm_make_cclo (proc
, len
)
115 return scm_makcclo (proc
, SCM_INUM (len
));
122 SCM_PROC(s_procedure_p
, "procedure?", 1, 0, 0, scm_procedure_p
);
125 scm_procedure_p (obj
)
129 switch (SCM_TYP7 (obj
))
131 case scm_tcs_closures
:
144 SCM_PROC(s_closure_p
, "closure?", 1, 0, 0, scm_closure_p
);
150 return SCM_NIMP (obj
) && SCM_CLOSUREP (obj
) ? SCM_BOOL_T
: SCM_BOOL_F
;
153 SCM_PROC(s_thunk_p
, "thunk?", 1, 0, 0, scm_thunk_p
);
157 scm_thunk_p (SCM obj
)
165 switch (SCM_TYP7 (obj
))
167 case scm_tcs_closures
:
168 if (SCM_NULLP (SCM_CAR (SCM_CODE (obj
))))
171 case scm_tc7_subr_1o
:
188 scm_init_iprocs(subra
, type
)
192 for(;subra
->scm_string
; subra
++)
193 scm_make_subr(subra
->scm_string
,