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guile/libguile/values.h
2019-06-06 03:19:14 -04:00

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#ifndef SCM_VALUES_H
#define SCM_VALUES_H
/* Copyright 2000-2001,2006,2008,2012,2018
Free Software Foundation, Inc.
This file is part of Guile.
Guile 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.
Guile 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 Guile. If not, see
<https://www.gnu.org/licenses/>. */
#include "libguile/gc.h"
static inline int
scm_is_values (SCM x)
{
return SCM_HAS_TYP11 (x, scm_tc11_values);
}
#ifdef BUILDING_LIBGUILE
static inline size_t
scm_i_nvalues (SCM x)
{
return SCM_CELL_WORD_0 (x) >> 12;
}
static inline SCM
scm_i_value_ref (SCM x, size_t n)
{
return SCM_CELL_OBJECT (x, n+1);
}
#endif
#define SCM_VALUESP(x) (scm_is_values (x))
SCM_INTERNAL void scm_i_extract_values_2 (SCM obj, SCM *p1, SCM *p2);
SCM_API SCM scm_values (SCM args);
SCM_API SCM scm_c_values (SCM *base, size_t n);
SCM_API SCM scm_values_2 (SCM a, SCM b);
SCM_API SCM scm_values_3 (SCM a, SCM b, SCM c);
SCM_API size_t scm_c_nvalues (SCM obj);
SCM_API SCM scm_c_value_ref (SCM obj, size_t idx);
SCM_INTERNAL void scm_init_values (void);
#endif /* SCM_VALUES_H */