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#ifndef SCM_VECTORS_H
#define SCM_VECTORS_H
/* Copyright 1995-1996,1998,2000-2002,2004-2006,2008-2009,2011,2014,2018
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/array-handle.h"
#include <libguile/error.h>
#include "libguile/gc.h"
SCM_API SCM scm_vector_p (SCM x);
SCM_API SCM scm_vector_length (SCM v);
SCM_API SCM scm_vector (SCM l);
SCM_API SCM scm_vector_ref (SCM v, SCM k);
SCM_API SCM scm_vector_set_x (SCM v, SCM k, SCM obj);
SCM_API SCM scm_make_vector (SCM k, SCM fill);
SCM_API SCM scm_vector_to_list (SCM v);
SCM_API SCM scm_vector_fill_x (SCM v, SCM fill_x);
SCM_API SCM scm_vector_move_left_x (SCM vec1, SCM start1, SCM end1,
SCM vec2, SCM start2);
SCM_API SCM scm_vector_move_right_x (SCM vec1, SCM start1, SCM end1,
SCM vec2, SCM start2);
SCM_API SCM scm_vector_copy (SCM vec);
SCM_API SCM scm_vector_copy_partial (SCM vec, SCM start, SCM end);
SCM_API SCM scm_vector_copy_x (SCM dst, SCM at, SCM src, SCM start, SCM end);
SCM_API int scm_is_vector (SCM obj);
SCM_API SCM scm_c_make_vector (size_t len, SCM fill);
SCM_API size_t scm_c_vector_length (SCM vec);
SCM_API SCM scm_c_vector_ref (SCM vec, size_t k);
SCM_API void scm_c_vector_set_x (SCM vec, size_t k, SCM obj);
SCM_API const SCM *scm_vector_elements (SCM array,
scm_t_array_handle *h,
size_t *lenp, ssize_t *incp);
SCM_API SCM *scm_vector_writable_elements (SCM array,
scm_t_array_handle *h,
size_t *lenp, ssize_t *incp);
#define SCM_VALIDATE_VECTOR(pos, v) \
do { \
SCM_ASSERT (scm_is_vector (v), v, pos, FUNC_NAME); \
} while (0)
#define SCM_VALIDATE_VECTOR_LEN(pos, v, len) \
do { \
SCM_ASSERT (scm_is_vector (v) && len == scm_c_vector_length (v), v, pos, FUNC_NAME); \
} while (0)
/* Fast, non-checking accessors
*/
#define SCM_SIMPLE_VECTOR_LENGTH(x) SCM_I_VECTOR_LENGTH(x)
#define SCM_SIMPLE_VECTOR_REF(x,idx) ((SCM_I_VECTOR_ELTS(x))[idx])
#define SCM_SIMPLE_VECTOR_SET(x,idx,val) ((SCM_I_VECTOR_WELTS(x))[idx]=(val))
/* Internals */
/* Vectors residualized into compiled objects have scm_tc7_vector in the
low 7 bits, but also an additional bit set to indicate
immutability. */
#define SCM_F_VECTOR_IMMUTABLE 0x80UL
#define SCM_I_IS_MUTABLE_VECTOR(x) \
(SCM_NIMP (x) && \
((SCM_CELL_TYPE (x) & (0x7f | SCM_F_VECTOR_IMMUTABLE)) \
== scm_tc7_vector))
#define SCM_I_IS_VECTOR(x) (SCM_HAS_TYP7 (x, scm_tc7_vector))
#define SCM_I_VECTOR_ELTS(x) ((const SCM *) SCM_I_VECTOR_WELTS (x))
#define SCM_I_VECTOR_WELTS(x) (SCM_CELL_OBJECT_LOC (x, 1))
#define SCM_I_VECTOR_LENGTH(x) (((size_t) SCM_CELL_WORD_0 (x)) >> 8)
SCM_INTERNAL SCM scm_i_vector_equal_p (SCM x, SCM y);
SCM_INTERNAL void scm_init_vectors (void);
#endif /* SCM_VECTORS_H */
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