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author | Jim Blandy <jimb@red-bean.com> | 1996-07-25 22:56:11 +0000 |
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committer | Jim Blandy <jimb@red-bean.com> | 1996-07-25 22:56:11 +0000 |
commit | 0f2d19dd46f83f41177f61d585732b32a866d613 (patch) | |
tree | 86bf67b8c05d36d8181d393e7d706785a74ee777 /libguile/procs.h | |
download | guile-0f2d19dd46f83f41177f61d585732b32a866d613.tar.gz |
maintainer changed: was lord, now jimb; first import
Diffstat (limited to 'libguile/procs.h')
-rw-r--r-- | libguile/procs.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/libguile/procs.h b/libguile/procs.h new file mode 100644 index 000000000..332e06c1f --- /dev/null +++ b/libguile/procs.h @@ -0,0 +1,107 @@ +/* classes: h_files */ + +#ifndef PROCSH +#define PROCSH +/* Copyright (C) 1995,1996 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, 675 Mass Ave, Cambridge, MA 02139, 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 "__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_SETCODE(x, e) SCM_CAR(x) = (scm_cons ((e), SCM_EOL) + scm_tc3_closure) +#define SCM_ENV(x) SCM_CDR(x) +#define SCM_TOP_LEVEL(SCM_ENV) (SCM_NULLP(SCM_ENV) || (SCM_BOOL_T == scm_procedure_p (SCM_CAR (SCM_ENV)))) + + + + +#ifdef __STDC__ +extern SCM scm_make_subr (char *name, int type, SCM (*fcn) ()); +extern SCM scm_makcclo (SCM proc, long len); +extern SCM scm_procedure_p (SCM obj); +extern void scm_init_iprocs(scm_iproc *subra, int type); +extern void scm_init_procs (void); + +#else /* STDC */ +extern SCM scm_make_subr (); +extern SCM scm_makcclo (); +extern SCM scm_procedure_p (); +extern void scm_init_iprocs(); +extern void scm_init_procs (); + +#endif /* STDC */ +#endif /* PROCSH */ |