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Add bitorder functions store_le, load_le, store_be, store_le.

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Christoffer Lerno
2026-02-19 23:59:55 +01:00
parent 585c66100d
commit 392c78860d
3 changed files with 98 additions and 1 deletions
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52
lib/std/core/bitorder.c3
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@@ -2,7 +2,7 @@
// Use of this source code is governed by the MIT license
// a copy of which can be found in the LICENSE_STDLIB file.
module std::core::bitorder;
import std::bits;
// This module contains types of different endianness.
// *BE types represent big-endian types
// *LE types represent little-endian types.
@@ -87,6 +87,56 @@ bitstruct UInt128LE : uint128 @littleendian
uint128 val : 0..127;
}
<*
@require $defined(*bytes) : "Pointer must be possible to dereference"
@require types::is_intlike($typeof(*bytes)) : "Type must be an integer or int vector"
*>
macro load_be(bytes)
{
$if env::BIG_ENDIAN:
return mem::load(bytes, $align: 1);
$else
return bswap(mem::load(bytes, $align: 1));
$endif
}
<*
@require $defined(*bytes) : "Pointer must be possible to dereference"
@require types::is_intlike($typeof(*bytes)) : "Type must be an integer or int vector"
*>
macro load_le(bytes)
{
$if env::BIG_ENDIAN:
return bswap(mem::load(bytes, $align: 1));
$else
return mem::load(bytes, $align: 1);
$endif
}
<*
@require types::is_intlike($typeof(value)) : "Type must be an integer or int vector"
*>
macro void store_be(void* dst, value)
{
$if env::BIG_ENDIAN:
mem::store(($typeof(value)*)dst, value, $align: 1);
$else
mem::store(($typeof(value)*)dst, bswap(value), $align: 1);
$endif
}
<*
@require types::is_intlike($typeof(value)) : "Type must be an integer or int vector"
*>
macro void store_le(void* dst, value)
{
$if env::BIG_ENDIAN:
mem::store(($typeof(value)*)dst, bswap(value), $align: 1);
$else
mem::store(($typeof(value)*)dst, value, $align: 1);
$endif
}
<*
@require @is_array_or_slice_of_char(bytes) : "argument must be an array, a pointer to an array or a slice of char"
@require is_bitorder($Type) : "type must be a bitorder integer"