1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-04-30 11:50:28 +02:00
guile/libguile/procs.c
Andy Wingo a7bcd66f6f Devolve symbols.h from _scm.h
* libguile/_scm.h: Remove symbols.h.
* libguile/array-handle.c:
* libguile/array-map.c:
* libguile/backtrace.c:
* libguile/bytevectors.c:
* libguile/chars.c:
* libguile/continuations.c:
* libguile/error.c:
* libguile/eval.c:
* libguile/evalext.c:
* libguile/expand.c:
* libguile/feature.c:
* libguile/filesys.c:
* libguile/foreign.c:
* libguile/fports.c:
* libguile/frames.c:
* libguile/gc.c:
* libguile/goops.c:
* libguile/gsubr.c:
* libguile/i18n.c:
* libguile/instructions.c:
* libguile/intrinsics.c:
* libguile/keywords.c:
* libguile/load.c:
* libguile/macros.c:
* libguile/memoize.c:
* libguile/modules.c:
* libguile/net_db.c:
* libguile/options.c:
* libguile/ports.c:
* libguile/posix.c:
* libguile/print.c:
* libguile/procprop.c:
* libguile/procs.c:
* libguile/r6rs-ports.c:
* libguile/random.c:
* libguile/read.c:
* libguile/socket.c:
* libguile/srcprop.c:
* libguile/srfi-13.c:
* libguile/srfi-14.c:
* libguile/stacks.c:
* libguile/strings.c:
* libguile/strports.c:
* libguile/struct.c:
* libguile/threads.c:
* libguile/throw.c:
* libguile/vm.c: Add symbols.h.
2018-06-20 12:19:12 +02:00

144 lines
4 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* Copyright (C) 1995-1997, 1999-2001, 2006, 2008-2013, 2017-2018
* Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "libguile/_scm.h"
#include "libguile/gsubr.h"
#include "libguile/goops.h"
#include "libguile/strings.h"
#include "libguile/vectors.h"
#include "libguile/smob.h"
#include "libguile/struct.h"
#include "libguile/deprecation.h"
#include "libguile/procprop.h"
#include "libguile/symbols.h"
#include "libguile/loader.h"
#include "libguile/programs.h"
#include "libguile/procs.h"
/* {Procedures}
*/
SCM_DEFINE (scm_procedure_p, "procedure?", 1, 0, 0,
(SCM obj),
"Return @code{#t} if @var{obj} is a procedure.")
#define FUNC_NAME s_scm_procedure_p
{
return scm_from_bool (SCM_PROGRAM_P (obj)
|| (SCM_STRUCTP (obj) && SCM_STRUCT_APPLICABLE_P (obj))
|| (SCM_HAS_TYP7 (obj, scm_tc7_smob)
&& SCM_SMOB_APPLICABLE_P (obj)));
}
#undef FUNC_NAME
SCM_DEFINE (scm_thunk_p, "thunk?", 1, 0, 0,
(SCM obj),
"Return @code{#t} if @var{obj} is a thunk.")
#define FUNC_NAME s_scm_thunk_p
{
int req, opt, rest;
return scm_from_bool (scm_i_procedure_arity (obj, &req, &opt, &rest)
&& req == 0);
}
#undef FUNC_NAME
/* Procedure-with-setter
*/
static SCM pws_vtable;
SCM_DEFINE (scm_procedure_with_setter_p, "procedure-with-setter?", 1, 0, 0,
(SCM obj),
"Return @code{#t} if @var{obj} is a procedure with an\n"
"associated setter procedure.")
#define FUNC_NAME s_scm_procedure_with_setter_p
{
return scm_from_bool (SCM_STRUCTP (obj) && SCM_STRUCT_SETTER_P (obj));
}
#undef FUNC_NAME
SCM_DEFINE (scm_make_procedure_with_setter, "make-procedure-with-setter", 2, 0, 0,
(SCM procedure, SCM setter),
"Create a new procedure which behaves like @var{procedure}, but\n"
"with the associated setter @var{setter}.")
#define FUNC_NAME s_scm_make_procedure_with_setter
{
SCM_VALIDATE_PROC (1, procedure);
SCM_VALIDATE_PROC (2, setter);
return scm_make_struct_no_tail (pws_vtable, scm_list_2 (procedure, setter));
}
#undef FUNC_NAME
SCM_DEFINE (scm_procedure, "procedure", 1, 0, 0,
(SCM proc),
"Return the procedure of @var{proc}, which must be an\n"
"applicable struct.")
#define FUNC_NAME s_scm_procedure
{
SCM_ASSERT (SCM_STRUCTP (proc) && SCM_STRUCT_APPLICABLE_P (proc),
proc, SCM_ARG1, FUNC_NAME);
return SCM_STRUCT_PROCEDURE (proc);
}
#undef FUNC_NAME
SCM_PRIMITIVE_GENERIC (scm_setter, "setter", 1, 0, 0,
(SCM proc),
"Return the setter of @var{proc}, which must be an\n"
"applicable struct with a setter.")
#define FUNC_NAME s_scm_setter
{
if (SCM_UNLIKELY (!SCM_STRUCTP (proc)))
return scm_wta_dispatch_1 (g_scm_setter, proc, SCM_ARG1, FUNC_NAME);
if (SCM_STRUCT_SETTER_P (proc))
return SCM_STRUCT_SETTER (proc);
return scm_wta_dispatch_1 (g_scm_setter, proc, SCM_ARG1, FUNC_NAME);
}
#undef FUNC_NAME
void
scm_init_procs ()
{
pws_vtable =
scm_c_make_struct (scm_applicable_struct_with_setter_vtable_vtable,
0,
1,
SCM_UNPACK (scm_from_latin1_symbol ("pwpw")));
#include "libguile/procs.x"
}
/*
Local Variables:
c-file-style: "gnu"
End:
*/