#ifndef SCM_BYTEVECTORS_H #define SCM_BYTEVECTORS_H /* Copyright (C) 2009, 2011 Free Software Foundation, Inc. * * This library 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. * * This library 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 this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA */ #include "libguile/__scm.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 scm_t_uint8 scm_c_bytevector_ref (SCM, size_t); SCM_API void scm_c_bytevector_set_x (SCM, size_t, scm_t_uint8); SCM_API SCM scm_make_bytevector (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" 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 */