mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 03:40:34 +02:00
ff1feca9bd
* libguile/tags.h (scm_tc7_bitvector): Allocate a tc7 to bitvectors. * libguile/print.c (iprin1): * libguile/goops.c: * libguile/evalext.c (scm_self_evaluating_p): * libguile/eq.c (scm_equal_p): Add cases for bitvectors. * libguile/bitvectors.h: Declare internal print and equal? helpers. * libguile/bitvectors.c: Use a tc7 instead of a smob type.
114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008, 2009, 2010, 2011 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/eval.h"
|
||
#include "libguile/fluids.h"
|
||
#include "libguile/modules.h"
|
||
|
||
#include "libguile/validate.h"
|
||
#include "libguile/evalext.h"
|
||
|
||
SCM_DEFINE (scm_defined_p, "defined?", 1, 1, 0,
|
||
(SCM sym, SCM module),
|
||
"Return @code{#t} if @var{sym} is defined in the module "
|
||
"@var{module} or the current module when @var{module} is not"
|
||
"specified.")
|
||
#define FUNC_NAME s_scm_defined_p
|
||
{
|
||
SCM var;
|
||
|
||
SCM_VALIDATE_SYMBOL (1, sym);
|
||
|
||
if (SCM_UNBNDP (module))
|
||
module = scm_current_module ();
|
||
else
|
||
SCM_VALIDATE_MODULE (2, module);
|
||
|
||
var = scm_module_variable (module, sym);
|
||
|
||
return (scm_is_false (var) || SCM_UNBNDP (SCM_VARIABLE_REF (var))
|
||
? SCM_BOOL_F
|
||
: SCM_BOOL_T);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
|
||
SCM_DEFINE (scm_self_evaluating_p, "self-evaluating?", 1, 0, 0,
|
||
(SCM obj),
|
||
"Return #t for objects which Guile considers self-evaluating")
|
||
#define FUNC_NAME s_scm_self_evaluating_p
|
||
{
|
||
switch (SCM_ITAG3 (obj))
|
||
{
|
||
case scm_tc3_int_1:
|
||
case scm_tc3_int_2:
|
||
/* inum */
|
||
return SCM_BOOL_T;
|
||
case scm_tc3_imm24:
|
||
/* characters, booleans, other immediates */
|
||
return scm_from_bool (!scm_is_null_and_not_nil (obj));
|
||
case scm_tc3_cons:
|
||
switch (SCM_TYP7 (obj))
|
||
{
|
||
case scm_tc7_vector:
|
||
case scm_tc7_wvect:
|
||
case scm_tc7_pointer:
|
||
case scm_tc7_hashtable:
|
||
case scm_tc7_fluid:
|
||
case scm_tc7_dynamic_state:
|
||
case scm_tc7_frame:
|
||
case scm_tc7_objcode:
|
||
case scm_tc7_vm:
|
||
case scm_tc7_vm_cont:
|
||
case scm_tc7_number:
|
||
case scm_tc7_string:
|
||
case scm_tc7_smob:
|
||
case scm_tc7_program:
|
||
case scm_tc7_bytevector:
|
||
case scm_tc7_array:
|
||
case scm_tc7_bitvector:
|
||
case scm_tcs_struct:
|
||
return SCM_BOOL_T;
|
||
default:
|
||
return SCM_BOOL_F;
|
||
}
|
||
}
|
||
SCM_MISC_ERROR ("Internal error: Object ~S has unknown type",
|
||
scm_list_1 (obj));
|
||
return SCM_UNSPECIFIED; /* never reached */
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
void
|
||
scm_init_evalext ()
|
||
{
|
||
#include "libguile/evalext.x"
|
||
}
|
||
|
||
/*
|
||
Local Variables:
|
||
c-file-style: "gnu"
|
||
End:
|
||
*/
|