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c3c/lib/std/core/cinterop.c3
Christoffer Lerno 2439405e70 - $foreach "()" replaced by trailing ":" $foreach ($x, $y : $foo) -> $foreach $x, $y : $foo:
- `$for` "()" replaced by trailing ":" `$for (var $x = 0; $x < FOO; $x++)` -> `$for var $x = 0; $x < FOO; $x++:`
- `$switch` "()" replaced by trailing ":" `$switch ($Type)` -> `$switch $Type:`
- Empty `$switch` requires trailing ":" `$switch` -> `$switch:`
2025-03-04 16:13:47 +01:00

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// Copyright (c) 2021-2024 Christoffer Lerno. All rights reserved.
// 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::cinterop;
const C_INT_SIZE = $$C_INT_SIZE;
const C_LONG_SIZE = $$C_LONG_SIZE;
const C_SHORT_SIZE = $$C_SHORT_SIZE;
const C_LONG_LONG_SIZE = $$C_LONG_LONG_SIZE;
$assert C_SHORT_SIZE < 32;
$assert C_INT_SIZE < 128;
$assert C_LONG_SIZE < 128;
$assert C_LONG_LONG_SIZE <= 128;
$assert C_SHORT_SIZE <= C_INT_SIZE;
$assert C_INT_SIZE <= C_LONG_SIZE;
$assert C_LONG_SIZE <= C_LONG_LONG_SIZE;
def CShort = $typefrom(signed_int_from_bitsize($$C_SHORT_SIZE));
def CUShort = $typefrom(unsigned_int_from_bitsize($$C_SHORT_SIZE));
def CInt = $typefrom(signed_int_from_bitsize($$C_INT_SIZE));
def CUInt = $typefrom(unsigned_int_from_bitsize($$C_INT_SIZE));
def CLong = $typefrom(signed_int_from_bitsize($$C_LONG_SIZE));
def CULong = $typefrom(unsigned_int_from_bitsize($$C_LONG_SIZE));
def CLongLong = $typefrom(signed_int_from_bitsize($$C_LONG_LONG_SIZE));
def CULongLong = $typefrom(unsigned_int_from_bitsize($$C_LONG_LONG_SIZE));
def CSChar = ichar;
def CUChar = char;
def CChar = $typefrom($$C_CHAR_IS_SIGNED ? ichar.typeid : char.typeid);
enum CBool : char
{
FALSE,
TRUE
}
// Helper macros
macro typeid signed_int_from_bitsize(usz $bitsize) @private
{
$switch $bitsize:
$case 128: return int128.typeid;
$case 64: return long.typeid;
$case 32: return int.typeid;
$case 16: return short.typeid;
$case 8: return ichar.typeid;
$default: $error("Invalid bitsize");
$endswitch
}
macro typeid unsigned_int_from_bitsize(usz $bitsize) @private
{
$switch $bitsize:
$case 128: return uint128.typeid;
$case 64: return ulong.typeid;
$case 32: return uint.typeid;
$case 16: return ushort.typeid;
$case 8: return char.typeid;
$default: $error("Invalid bitsize");
$endswitch
}