6 /* Copyright (C) 1995,1996,1998,2000,2001,2002,2004,2005, 2006, 2008, 2009 Free Software Foundation, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public License
10 * as published by the Free Software Foundation; either version 3 of
11 * the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26 #include "libguile/__scm.h"
30 SCM_API SCM
scm_vector_p (SCM x
);
31 SCM_API SCM
scm_vector_length (SCM v
);
32 SCM_API SCM
scm_vector (SCM l
);
33 SCM_API SCM
scm_vector_ref (SCM v
, SCM k
);
34 SCM_API SCM
scm_vector_set_x (SCM v
, SCM k
, SCM obj
);
35 SCM_API SCM
scm_make_vector (SCM k
, SCM fill
);
36 SCM_API SCM
scm_vector_to_list (SCM v
);
37 SCM_API SCM
scm_vector_fill_x (SCM v
, SCM fill_x
);
38 SCM_API SCM
scm_vector_move_left_x (SCM vec1
, SCM start1
, SCM end1
,
39 SCM vec2
, SCM start2
);
40 SCM_API SCM
scm_vector_move_right_x (SCM vec1
, SCM start1
, SCM end1
,
41 SCM vec2
, SCM start2
);
42 SCM_API SCM
scm_vector_copy (SCM vec
);
44 SCM_API
int scm_is_vector (SCM obj
);
45 SCM_API
int scm_is_simple_vector (SCM obj
);
46 SCM_API SCM
scm_c_make_vector (size_t len
, SCM fill
);
47 SCM_API
size_t scm_c_vector_length (SCM vec
);
48 SCM_API SCM
scm_c_vector_ref (SCM vec
, size_t k
);
49 SCM_API
void scm_c_vector_set_x (SCM vec
, size_t k
, SCM obj
);
50 SCM_API
const SCM
*scm_vector_elements (SCM vec
,
51 scm_t_array_handle
*h
,
52 size_t *lenp
, ssize_t
*incp
);
53 SCM_API SCM
*scm_vector_writable_elements (SCM vec
,
54 scm_t_array_handle
*h
,
55 size_t *lenp
, ssize_t
*incp
);
57 /* Fast, non-checking accessors for simple vectors.
59 #define SCM_SIMPLE_VECTOR_LENGTH(x) SCM_I_VECTOR_LENGTH(x)
60 #define SCM_SIMPLE_VECTOR_REF(x,idx) ((SCM_I_VECTOR_ELTS(x))[idx])
61 #define SCM_SIMPLE_VECTOR_SET(x,idx,val) ((SCM_I_VECTOR_WELTS(x))[idx]=(val))
66 /* Vectors have a 2-word header: 1 for the type tag, and 1 for the weak
67 vector extra data (see below.) */
68 #define SCM_I_VECTOR_HEADER_SIZE 2U
70 #define SCM_I_IS_VECTOR(x) (!SCM_IMP(x) && (SCM_TYP7S(x)==scm_tc7_vector))
71 #define SCM_I_IS_NONWEAK_VECTOR(x) (!SCM_IMP(x) && (SCM_TYP7(x)==scm_tc7_vector))
72 #define SCM_I_VECTOR_ELTS(x) ((const SCM *) SCM_I_VECTOR_WELTS (x))
73 #define SCM_I_VECTOR_WELTS(x) (SCM_CELL_OBJECT_LOC (x, SCM_I_VECTOR_HEADER_SIZE))
74 #define SCM_I_VECTOR_LENGTH(x) (((size_t) SCM_CELL_WORD_0 (x)) >> 8)
76 SCM_INTERNAL SCM
scm_i_vector_equal_p (SCM x
, SCM y
);
78 /* Weak vectors share implementation details with ordinary vectors,
79 but no one else should. */
81 #define SCM_I_WVECTP(x) (!SCM_IMP (x) && \
82 SCM_TYP7 (x) == scm_tc7_wvect)
83 #define SCM_I_WVECT_LENGTH SCM_I_VECTOR_LENGTH
84 #define SCM_I_WVECT_VELTS SCM_I_VECTOR_ELTS
85 #define SCM_I_WVECT_GC_WVELTS SCM_I_VECTOR_WELTS
86 #define SCM_I_WVECT_EXTRA(x) (SCM_CELL_WORD_1 (x))
87 #define SCM_I_SET_WVECT_EXTRA(x, t) (SCM_SET_CELL_WORD_1 ((x),(t)))
89 SCM_INTERNAL SCM
scm_i_make_weak_vector (scm_t_bits type
, SCM size
, SCM fill
);
90 SCM_INTERNAL SCM
scm_i_make_weak_vector_from_list (scm_t_bits type
, SCM lst
);
92 SCM_INTERNAL
void scm_init_vectors (void);
94 #endif /* SCM_VECTORS_H */