mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 07:30:19 +00:00
104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/IterationDecision.h>
|
|
#include <AK/Platform.h>
|
|
#include <AK/StdLibExtras.h>
|
|
|
|
using u64 = __UINT64_TYPE__;
|
|
using u32 = __UINT32_TYPE__;
|
|
using u16 = __UINT16_TYPE__;
|
|
using u8 = __UINT8_TYPE__;
|
|
using i64 = __INT64_TYPE__;
|
|
using i32 = __INT32_TYPE__;
|
|
using i16 = __INT16_TYPE__;
|
|
using i8 = __INT8_TYPE__;
|
|
|
|
#ifdef __serenity__
|
|
|
|
using size_t = __SIZE_TYPE__;
|
|
using ssize_t = MakeSigned<size_t>;
|
|
|
|
using ptrdiff_t = __PTRDIFF_TYPE__;
|
|
|
|
using intptr_t = __INTPTR_TYPE__;
|
|
using uintptr_t = __UINTPTR_TYPE__;
|
|
|
|
using uint8_t = u8;
|
|
using uint16_t = u16;
|
|
using uint32_t = u32;
|
|
using uint64_t = u64;
|
|
|
|
using int8_t = i8;
|
|
using int16_t = i16;
|
|
using int32_t = i32;
|
|
using int64_t = i64;
|
|
|
|
using pid_t = int;
|
|
|
|
#else
|
|
# include <stddef.h>
|
|
# include <stdint.h>
|
|
# include <sys/types.h>
|
|
|
|
# ifdef __ptrdiff_t
|
|
using __ptrdiff_t = __PTRDIFF_TYPE__;
|
|
# endif
|
|
|
|
#endif
|
|
|
|
using FlatPtr = Conditional<sizeof(void*) == 8, u64, u32>;
|
|
|
|
constexpr u64 KiB = 1024;
|
|
constexpr u64 MiB = KiB * KiB;
|
|
constexpr u64 GiB = KiB * KiB * KiB;
|
|
constexpr u64 TiB = KiB * KiB * KiB * KiB;
|
|
constexpr u64 PiB = KiB * KiB * KiB * KiB * KiB;
|
|
constexpr u64 EiB = KiB * KiB * KiB * KiB * KiB * KiB;
|
|
|
|
namespace std { // NOLINT(cert-dcl58-cpp) nullptr_t must be in ::std:: for some analysis tools
|
|
using nullptr_t = decltype(nullptr);
|
|
}
|
|
|
|
static constexpr FlatPtr explode_byte(u8 b)
|
|
{
|
|
FlatPtr value = b;
|
|
if constexpr (sizeof(FlatPtr) == 4)
|
|
return value << 24 | value << 16 | value << 8 | value;
|
|
else if (sizeof(FlatPtr) == 8)
|
|
return value << 56 | value << 48 | value << 40 | value << 32 | value << 24 | value << 16 | value << 8 | value;
|
|
}
|
|
|
|
static_assert(explode_byte(0xff) == (FlatPtr)0xffffffffffffffffull);
|
|
static_assert(explode_byte(0x80) == (FlatPtr)0x8080808080808080ull);
|
|
static_assert(explode_byte(0x7f) == (FlatPtr)0x7f7f7f7f7f7f7f7full);
|
|
static_assert(explode_byte(0) == 0);
|
|
|
|
constexpr size_t align_up_to(const size_t value, const size_t alignment)
|
|
{
|
|
return (value + (alignment - 1)) & ~(alignment - 1);
|
|
}
|
|
|
|
enum class [[nodiscard]] TriState : u8 {
|
|
False,
|
|
True,
|
|
Unknown
|
|
};
|
|
|
|
namespace AK {
|
|
|
|
enum MemoryOrder {
|
|
memory_order_relaxed = __ATOMIC_RELAXED,
|
|
memory_order_consume = __ATOMIC_CONSUME,
|
|
memory_order_acquire = __ATOMIC_ACQUIRE,
|
|
memory_order_release = __ATOMIC_RELEASE,
|
|
memory_order_acq_rel = __ATOMIC_ACQ_REL,
|
|
memory_order_seq_cst = __ATOMIC_SEQ_CST
|
|
};
|
|
|
|
}
|