1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
// -*- 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_INTEGER_H
#define _LIBCPP___FORMAT_FORMATTER_INTEGER_H
#include <__availability>
#include <__config>
#include <__format/format_error.h>
#include <__format/format_fwd.h>
#include <__format/formatter.h>
#include <__format/formatter_integral.h>
#include <__format/parser_std_format_spec.h>
#include <limits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER > 17
// TODO FMT Remove this once we require compilers with proper C++20 support.
// If the compiler has no concepts support, the format header will be disabled.
// Without concepts support enable_if needs to be used and that too much effort
// to support compilers with partial C++20 support.
#if !defined(_LIBCPP_HAS_NO_CONCEPTS)
namespace __format_spec {
template <class _CharT>
class _LIBCPP_TEMPLATE_VIS __parser_integer : public __parser_integral<_CharT> {
public:
_LIBCPP_HIDE_FROM_ABI constexpr auto parse(auto& __parse_ctx)
-> decltype(__parse_ctx.begin()) {
auto __it = __parser_integral<_CharT>::__parse(__parse_ctx);
switch (this->__type) {
case _Flags::_Type::__default:
this->__type = _Flags::_Type::__decimal;
[[fallthrough]];
case _Flags::_Type::__binary_lower_case:
case _Flags::_Type::__binary_upper_case:
case _Flags::_Type::__octal:
case _Flags::_Type::__decimal:
case _Flags::_Type::__hexadecimal_lower_case:
case _Flags::_Type::__hexadecimal_upper_case:
this->__handle_integer();
break;
case _Flags::_Type::__char:
this->__handle_char();
break;
default:
__throw_format_error("The format-spec type has a type not supported for "
"an integer argument");
}
return __it;
}
};
template <class _CharT>
using __formatter_integer = __formatter_integral<__parser_integer<_CharT>>;
} // namespace __format_spec
// [format.formatter.spec]/2.3
// For each charT, for each cv-unqualified arithmetic type ArithmeticT other
// than char, wchar_t, char8_t, char16_t, or char32_t, a specialization
// Signed integral types.
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<signed char, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<short, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<int, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<long, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<long long, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
#ifndef _LIBCPP_HAS_NO_INT128
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<__int128_t, _CharT>
: public __format_spec::__formatter_integer<_CharT> {
using _Base = __format_spec::__formatter_integer<_CharT>;
_LIBCPP_HIDE_FROM_ABI auto format(__int128_t __value, auto& __ctx)
-> decltype(__ctx.out()) {
// TODO FMT Implement full 128 bit support.
using _To = long long;
if (__value < numeric_limits<_To>::min() ||
__value > numeric_limits<_To>::max())
__throw_format_error("128-bit value is outside of implemented range");
return _Base::format(static_cast<_To>(__value), __ctx);
}
};
#endif
// Unsigned integral types.
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<unsigned char, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<unsigned short, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<unsigned, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<unsigned long, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<unsigned long long, _CharT>
: public __format_spec::__formatter_integer<_CharT> {};
#ifndef _LIBCPP_HAS_NO_INT128
template <__formatter::__char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT
formatter<__uint128_t, _CharT>
: public __format_spec::__formatter_integer<_CharT> {
using _Base = __format_spec::__formatter_integer<_CharT>;
_LIBCPP_HIDE_FROM_ABI auto format(__uint128_t __value, auto& __ctx)
-> decltype(__ctx.out()) {
// TODO FMT Implement full 128 bit support.
using _To = unsigned long long;
if (__value < numeric_limits<_To>::min() ||
__value > numeric_limits<_To>::max())
__throw_format_error("128-bit value is outside of implemented range");
return _Base::format(static_cast<_To>(__value), __ctx);
}
};
#endif
#endif // !defined(_LIBCPP_HAS_NO_CONCEPTS)
#endif //_LIBCPP_STD_VER > 17
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif // _LIBCPP___FORMAT_FORMATTER_INTEGER_H
|
