blob: 329d2a4bb0dac5e652d21c2b8e4e536b332a0a83 (
plain)
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
|
/*
* Copyright (C) 2016 The Qt Company Ltd.
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#ifdef __cplusplus
#include <type_traits>
#endif
#ifdef __cplusplus
#define YG_EXTERN_C_BEGIN extern "C" {
#define YG_EXTERN_C_END }
#else
#define YG_EXTERN_C_BEGIN
#define YG_EXTERN_C_END
#endif
#if defined(__cplusplus)
#define YG_DEPRECATED(message) [[deprecated(message)]]
#elif defined(_MSC_VER)
#define YG_DEPRECATED(message) __declspec(deprecated(message))
#else
#define YG_DEPRECATED(message) __attribute__((deprecated(message)))
#endif
#ifdef _WINDLL
#define WIN_EXPORT // __declspec(dllexport)
#else
#define WIN_EXPORT
#endif
#ifndef YOGA_EXPORT
#ifdef _MSC_VER
#define YOGA_EXPORT
#else
#define YOGA_EXPORT // __attribute__((visibility("default")))
#endif
#endif
#ifdef NS_ENUM
// Cannot use NSInteger as NSInteger has a different size than int (which is the
// default type of a enum). Therefor when linking the Yoga C library into obj-c
// the header is a mismatch for the Yoga ABI.
#define YG_ENUM_BEGIN(name) NS_ENUM(int, name)
#define YG_ENUM_END(name)
#else
#define YG_ENUM_BEGIN(name) enum name
#define YG_ENUM_END(name) name
#endif
#ifdef __cplusplus
#define YG_DEFINE_ENUM_FLAG_OPERATORS(name) \
extern "C++" { \
constexpr inline name operator~(name a) { \
return static_cast<name>( \
~static_cast<std::underlying_type<name>::type>(a)); \
} \
constexpr inline name operator|(name a, name b) { \
return static_cast<name>( \
static_cast<std::underlying_type<name>::type>(a) | \
static_cast<std::underlying_type<name>::type>(b)); \
} \
constexpr inline name operator&(name a, name b) { \
return static_cast<name>( \
static_cast<std::underlying_type<name>::type>(a) & \
static_cast<std::underlying_type<name>::type>(b)); \
} \
constexpr inline name operator^(name a, name b) { \
return static_cast<name>( \
static_cast<std::underlying_type<name>::type>(a) ^ \
static_cast<std::underlying_type<name>::type>(b)); \
} \
inline name& operator|=(name& a, name b) { \
return reinterpret_cast<name&>( \
reinterpret_cast<std::underlying_type<name>::type&>(a) |= \
static_cast<std::underlying_type<name>::type>(b)); \
} \
inline name& operator&=(name& a, name b) { \
return reinterpret_cast<name&>( \
reinterpret_cast<std::underlying_type<name>::type&>(a) &= \
static_cast<std::underlying_type<name>::type>(b)); \
} \
inline name& operator^=(name& a, name b) { \
return reinterpret_cast<name&>( \
reinterpret_cast<std::underlying_type<name>::type&>(a) ^= \
static_cast<std::underlying_type<name>::type>(b)); \
} \
}
#else
#define YG_DEFINE_ENUM_FLAG_OPERATORS(name)
#endif
#ifdef __cplusplus
namespace facebook {
namespace yoga {
namespace enums {
template <typename T>
constexpr int count(); // can't use `= delete` due to a defect in clang < 3.9
namespace detail {
template <int... xs>
constexpr int n() {
return sizeof...(xs);
}
} // namespace detail
} // namespace enums
} // namespace yoga
} // namespace facebook
#endif
#define YG_ENUM_DECL(NAME, ...) \
typedef YG_ENUM_BEGIN(NAME){__VA_ARGS__} YG_ENUM_END(NAME); \
WIN_EXPORT const char* NAME##ToString(NAME);
#ifdef __cplusplus
#define YG_ENUM_SEQ_DECL(NAME, ...) \
YG_ENUM_DECL(NAME, __VA_ARGS__) \
YG_EXTERN_C_END \
namespace facebook { \
namespace yoga { \
namespace enums { \
template <> \
constexpr int count<NAME>() { \
return detail::n<__VA_ARGS__>(); \
} \
} \
} \
} \
YG_EXTERN_C_BEGIN
#else
#define YG_ENUM_SEQ_DECL YG_ENUM_DECL
#endif
|
