File size: 7,023 Bytes
3dcad1f |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 |
#ifndef SCM_BYTEVECTORS_H
#define SCM_BYTEVECTORS_H
/* Copyright 2009, 2011, 2018, 2023
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/error.h>
#include "libguile/gc.h"
#include "libguile/uniform.h"
/* R6RS bytevectors. */
/* The size in words of the bytevector header (type tag and flags, length,
and pointer to the underlying buffer). */
#define SCM_BYTEVECTOR_HEADER_SIZE 4U
#define SCM_BYTEVECTOR_LENGTH(_bv) \
((size_t) SCM_CELL_WORD_1 (_bv))
#define SCM_BYTEVECTOR_CONTENTS(_bv) \
((signed char *) SCM_CELL_WORD_2 (_bv))
#define SCM_BYTEVECTOR_PARENT(_bv) \
(SCM_CELL_OBJECT_3 (_bv))
SCM_API SCM scm_endianness_big;
SCM_API SCM scm_endianness_little;
SCM_API SCM scm_c_make_bytevector (size_t);
SCM_API int scm_is_bytevector (SCM);
SCM_API size_t scm_c_bytevector_length (SCM);
SCM_API uint8_t scm_c_bytevector_ref (SCM, size_t);
SCM_API void scm_c_bytevector_set_x (SCM, size_t, uint8_t);
SCM_API SCM scm_make_bytevector (SCM, SCM);
SCM_API SCM scm_bytevector_slice (SCM, SCM, SCM);
SCM_API SCM scm_native_endianness (void);
SCM_API SCM scm_bytevector_p (SCM);
SCM_API SCM scm_bytevector_length (SCM);
SCM_API SCM scm_bytevector_eq_p (SCM, SCM);
SCM_API SCM scm_bytevector_fill_x (SCM, SCM);
SCM_API SCM scm_bytevector_copy_x (SCM, SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_copy (SCM);
SCM_API SCM scm_uniform_array_to_bytevector (SCM);
SCM_API SCM scm_bytevector_to_u8_list (SCM);
SCM_API SCM scm_u8_list_to_bytevector (SCM);
SCM_API SCM scm_uint_list_to_bytevector (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_to_uint_list (SCM, SCM, SCM);
SCM_API SCM scm_sint_list_to_bytevector (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_to_sint_list (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u16_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_s16_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_u32_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_s32_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_u64_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_s64_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_u8_ref (SCM, SCM);
SCM_API SCM scm_bytevector_s8_ref (SCM, SCM);
SCM_API SCM scm_bytevector_uint_ref (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_sint_ref (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u16_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s16_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u32_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s32_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u64_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s64_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u16_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s16_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u32_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s32_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u64_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s64_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u8_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s8_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_uint_set_x (SCM, SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_sint_set_x (SCM, SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u16_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s16_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u32_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s32_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u64_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s64_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_single_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_single_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_ieee_single_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_single_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_double_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_double_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_ieee_double_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_double_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_string_to_utf8 (SCM);
SCM_API SCM scm_string_to_utf16 (SCM, SCM);
SCM_API SCM scm_string_to_utf32 (SCM, SCM);
SCM_API SCM scm_utf8_to_string (SCM);
SCM_API SCM scm_utf16_to_string (SCM, SCM);
SCM_API SCM scm_utf32_to_string (SCM, SCM);
/* Internal API. */
#define SCM_BYTEVECTOR_P(x) \
(SCM_HAS_TYP7 (x, scm_tc7_bytevector))
#define SCM_BYTEVECTOR_FLAGS(_bv) \
(SCM_CELL_TYPE (_bv) >> 7UL)
#define SCM_SET_BYTEVECTOR_FLAGS(_bv, _f) \
SCM_SET_CELL_TYPE ((_bv), \
scm_tc7_bytevector | ((scm_t_bits)(_f) << 7UL))
#define SCM_F_BYTEVECTOR_CONTIGUOUS 0x100UL
#define SCM_F_BYTEVECTOR_IMMUTABLE 0x200UL
#define SCM_MUTABLE_BYTEVECTOR_P(x) \
(SCM_NIMP (x) && \
((SCM_CELL_TYPE (x) & (0x7fUL | (SCM_F_BYTEVECTOR_IMMUTABLE << 7UL))) \
== scm_tc7_bytevector))
#define SCM_BYTEVECTOR_ELEMENT_TYPE(_bv) \
(SCM_BYTEVECTOR_FLAGS (_bv) & 0xffUL)
#define SCM_BYTEVECTOR_CONTIGUOUS_P(_bv) \
(SCM_BYTEVECTOR_FLAGS (_bv) & SCM_F_BYTEVECTOR_CONTIGUOUS)
#define SCM_BYTEVECTOR_TYPE_SIZE(var) \
(scm_i_array_element_type_sizes[SCM_BYTEVECTOR_ELEMENT_TYPE (var)]/8)
#define SCM_BYTEVECTOR_TYPED_LENGTH(var) \
(SCM_BYTEVECTOR_LENGTH (var) / SCM_BYTEVECTOR_TYPE_SIZE (var))
/* Hint that is passed to `scm_gc_malloc ()' and friends. */
#define SCM_GC_BYTEVECTOR "bytevector"
#define SCM_VALIDATE_BYTEVECTOR(_pos, _obj) \
SCM_ASSERT_TYPE (SCM_BYTEVECTOR_P (_obj), (_obj), (_pos), \
FUNC_NAME, "bytevector")
SCM_INTERNAL SCM scm_i_make_typed_bytevector (size_t, scm_t_array_element_type);
SCM_INTERNAL SCM scm_c_take_typed_bytevector (signed char *, size_t,
scm_t_array_element_type, SCM);
SCM_INTERNAL void scm_bootstrap_bytevectors (void);
SCM_INTERNAL void scm_init_bytevectors (void);
SCM_INTERNAL SCM scm_i_native_endianness;
SCM_INTERNAL SCM scm_c_take_gc_bytevector (signed char *, size_t, SCM);
SCM_INTERNAL int scm_i_print_bytevector (SCM, SCM, scm_print_state *);
SCM_INTERNAL SCM scm_c_shrink_bytevector (SCM, size_t);
SCM_INTERNAL void scm_i_bytevector_generalized_set_x (SCM, size_t, SCM);
SCM_INTERNAL SCM scm_null_bytevector;
#endif /* SCM_BYTEVECTORS_H */
|