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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
dcb410ec DH |
3 | #ifndef SCM_VECTORS_H |
4 | #define SCM_VECTORS_H | |
dee01b01 | 5 | |
ed7e0765 | 6 | /* Copyright (C) 1995,1996,1998,2000,2001,2002,2004,2005, 2006, 2008, 2009 Free Software Foundation, Inc. |
dee01b01 | 7 | * |
73be1d9e | 8 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
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. | |
dee01b01 | 12 | * |
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13 | * This library is distributed in the hope that it will be useful, but |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. | |
dee01b01 | 17 | * |
73be1d9e MV |
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 | |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
21 | * 02110-1301 USA | |
73be1d9e | 22 | */ |
d3a6bc94 | 23 | |
0f2d19dd JB |
24 | \f |
25 | ||
b4309c3c | 26 | #include "libguile/__scm.h" |
2fa901a5 | 27 | #include "libguile/arrays.h" |
0f2d19dd JB |
28 | |
29 | \f | |
30 | ||
33b001fd MV |
31 | SCM_API SCM scm_vector_p (SCM x); |
32 | SCM_API SCM scm_vector_length (SCM v); | |
33 | SCM_API SCM scm_vector (SCM l); | |
34 | SCM_API SCM scm_vector_ref (SCM v, SCM k); | |
35 | SCM_API SCM scm_vector_set_x (SCM v, SCM k, SCM obj); | |
36 | SCM_API SCM scm_make_vector (SCM k, SCM fill); | |
37 | SCM_API SCM scm_vector_to_list (SCM v); | |
38 | SCM_API SCM scm_vector_fill_x (SCM v, SCM fill_x); | |
33b001fd MV |
39 | SCM_API SCM scm_vector_move_left_x (SCM vec1, SCM start1, SCM end1, |
40 | SCM vec2, SCM start2); | |
41 | SCM_API SCM scm_vector_move_right_x (SCM vec1, SCM start1, SCM end1, | |
42 | SCM vec2, SCM start2); | |
6e708ef2 | 43 | SCM_API SCM scm_vector_copy (SCM vec); |
88797580 MV |
44 | |
45 | SCM_API int scm_is_vector (SCM obj); | |
6e708ef2 | 46 | SCM_API int scm_is_simple_vector (SCM obj); |
88797580 MV |
47 | SCM_API SCM scm_c_make_vector (size_t len, SCM fill); |
48 | SCM_API size_t scm_c_vector_length (SCM vec); | |
49 | SCM_API SCM scm_c_vector_ref (SCM vec, size_t k); | |
de5c0f58 | 50 | SCM_API void scm_c_vector_set_x (SCM vec, size_t k, SCM obj); |
354116f7 MV |
51 | SCM_API const SCM *scm_vector_elements (SCM vec, |
52 | scm_t_array_handle *h, | |
53 | size_t *lenp, ssize_t *incp); | |
54 | SCM_API SCM *scm_vector_writable_elements (SCM vec, | |
55 | scm_t_array_handle *h, | |
56 | size_t *lenp, ssize_t *incp); | |
6e708ef2 MV |
57 | |
58 | /* Fast, non-checking accessors for simple vectors. | |
59 | */ | |
60 | #define SCM_SIMPLE_VECTOR_LENGTH(x) SCM_I_VECTOR_LENGTH(x) | |
61 | #define SCM_SIMPLE_VECTOR_REF(x,idx) ((SCM_I_VECTOR_ELTS(x))[idx]) | |
62 | #define SCM_SIMPLE_VECTOR_SET(x,idx,val) ((SCM_I_VECTOR_WELTS(x))[idx]=(val)) | |
88797580 | 63 | |
ed7e0765 | 64 | \f |
6e708ef2 MV |
65 | /* Internals */ |
66 | ||
ed7e0765 LC |
67 | /* Vectors have a 2-word header: 1 for the type tag, and 1 for the weak |
68 | vector extra data (see below.) */ | |
69 | #define SCM_I_VECTOR_HEADER_SIZE 2U | |
70 | ||
6e708ef2 | 71 | #define SCM_I_IS_VECTOR(x) (!SCM_IMP(x) && (SCM_TYP7S(x)==scm_tc7_vector)) |
ed7e0765 LC |
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)) | |
6e708ef2 MV |
74 | #define SCM_I_VECTOR_LENGTH(x) (((size_t) SCM_CELL_WORD_0 (x)) >> 8) |
75 | ||
102dbb6f | 76 | SCM_INTERNAL SCM scm_i_vector_equal_p (SCM x, SCM y); |
6e708ef2 MV |
77 | |
78 | /* Weak vectors share implementation details with ordinary vectors, | |
ed7e0765 | 79 | but no one else should. */ |
6e708ef2 MV |
80 | |
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 | |
ed7e0765 LC |
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))) | |
6e708ef2 | 88 | |
6f03035f LC |
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); | |
6e708ef2 | 91 | |
102dbb6f | 92 | SCM_INTERNAL void scm_init_vectors (void); |
0f2d19dd | 93 | |
dcb410ec | 94 | #endif /* SCM_VECTORS_H */ |
89e00824 ML |
95 | |
96 | /* | |
97 | Local Variables: | |
98 | c-file-style: "gnu" | |
99 | End: | |
100 | */ |