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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
namespace WTF {
// For printing integral values in hex.
// See also the printInternal function for RaswHex in PrintStream.cpp.
class RawHex {
public:
RawHex() = default;
explicit RawHex(int8_t value)
: RawHex(static_cast<uint8_t>(value))
{ }
explicit RawHex(uint8_t value)
: RawHex(static_cast<uintptr_t>(value))
{ }
explicit RawHex(int16_t value)
: RawHex(static_cast<uint16_t>(value))
{ }
explicit RawHex(uint16_t value)
: RawHex(static_cast<uintptr_t>(value))
{ }
#if CPU(ADDRESS64) || OS(DARWIN) || OS(HAIKU)
// These causes build errors for CPU(ADDRESS32) on some ports because int32_t
// is already handled by intptr_t, and uint32_t is handled by uintptr_t.
explicit RawHex(int32_t value)
: RawHex(static_cast<uint32_t>(value))
{ }
explicit RawHex(uint32_t value)
: RawHex(static_cast<uintptr_t>(value))
{ }
#endif
#if CPU(ADDRESS32) || OS(DARWIN)
// These causes build errors for CPU(ADDRESS64) on some ports because int64_t
// is already handled by intptr_t, and uint64_t is handled by uintptr_t.
explicit RawHex(int64_t value)
: RawHex(static_cast<uint64_t>(value))
{ }
#if CPU(ADDRESS64) // on OS(DARWIN)
explicit RawHex(uint64_t value)
: RawHex(static_cast<uintptr_t>(value))
{ }
#else
explicit RawHex(uint64_t value)
: m_is64Bit(true)
, m_u64(value)
{ }
#endif
#endif // CPU(ADDRESS64)
explicit RawHex(intptr_t value)
: RawHex(static_cast<uintptr_t>(value))
{ }
explicit RawHex(uintptr_t value)
: m_ptr(reinterpret_cast<void*>(value))
{ }
const void* ptr() const { return m_ptr; }
#if !CPU(ADDRESS64)
bool is64Bit() const { return m_is64Bit; }
uint64_t u64() const { return m_u64; }
#endif
private:
#if !CPU(ADDRESS64)
bool m_is64Bit { false };
#endif
union {
const void* m_ptr { nullptr };
#if !CPU(ADDRESS64)
uint64_t m_u64;
#endif
};
};
} // namespace WTF
using WTF::RawHex;
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