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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___FORMAT_FORMATTER_POINTER_H
#define _LIBCPP___FORMAT_FORMATTER_POINTER_H
#include <__availability>
#include <__config>
#include <__format/concepts.h>
#include <__format/format_parse_context.h>
#include <__format/formatter.h>
#include <__format/formatter_integral.h>
#include <__format/formatter_output.h>
#include <__format/parser_std_format_spec.h>
#include <cstddef>
#include <cstdint>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 20
template <__fmt_char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS __formatter_pointer {
public:
template <class _ParseContext>
_LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) {
typename _ParseContext::iterator __result = __parser_.__parse(__ctx, __format_spec::__fields_pointer);
__format_spec::__process_display_type_pointer(__parser_.__type_, "a pointer");
return __result;
}
template <class _FormatContext>
_LIBCPP_HIDE_FROM_ABI typename _FormatContext::iterator format(const void* __ptr, _FormatContext& __ctx) const {
__format_spec::__parsed_specifications<_CharT> __specs = __parser_.__get_parsed_std_specifications(__ctx);
__specs.__std_.__alternate_form_ = true;
__specs.__std_.__type_ =
__specs.__std_.__type_ == __format_spec::__type::__pointer_upper_case
? __format_spec::__type::__hexadecimal_upper_case
: __format_spec::__type::__hexadecimal_lower_case;
return __formatter::__format_integer(reinterpret_cast<uintptr_t>(__ptr), __ctx, __specs);
}
__format_spec::__parser<_CharT> __parser_;
};
// [format.formatter.spec]/2.4
// For each charT, the pointer type specializations template<>
// - struct formatter<nullptr_t, charT>;
// - template<> struct formatter<void*, charT>;
// - template<> struct formatter<const void*, charT>;
template <__fmt_char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS formatter<nullptr_t, _CharT> : public __formatter_pointer<_CharT> {};
template <__fmt_char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS formatter<void*, _CharT> : public __formatter_pointer<_CharT> {};
template <__fmt_char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS formatter<const void*, _CharT> : public __formatter_pointer<_CharT> {};
#endif //_LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___FORMAT_FORMATTER_POINTER_H
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