4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
36 // The status value for a correct code point is 0. This allows a valid value to
50     __ok = 0,
64 /// The Standard refers to UAX \#29 for Unicode 12.0.0
82   return __value >= 0xd800 && __value <= 0xdbff;  in __is_high_surrogate()
86   return __value >= 0xdc00 && __value <= 0xdfff;  in __is_low_surrogate()
91   return __value >= 0xd800 && __value <= 0xdfff;  in __is_surrogate()
96   return __value <= 0x10ffff;  in __is_code_point()
108     if ((*__char & 0b1100'0000) != 0b1000'0000)  in __is_continuation()
143 …// U+0800..U+0FFF     E0         A0..BF      80..BF                  U+0800..U+FFFF 3 code unit ra…
164     case 0:  in __consume()
171       char32_t __value = static_cast<unsigned char>(*__first_++) & 0x1f;  in __consume()
173       __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
176       if (__value < 0x0080) [[unlikely]]  in __consume()
186       char32_t __value = static_cast<unsigned char>(*__first_++) & 0x0f;  in __consume()
188       __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
190       __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
193       if (__value < 0x0800) [[unlikely]]  in __consume()
207       char32_t __value = static_cast<unsigned char>(*__first_++) & 0x07;  in __consume()
209       __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
211       __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
213       __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
216       if (__value < 0x10000) [[unlikely]]  in __consume()
240   return __value >= 0xd800 && __value <= 0xdbff;  in __is_surrogate_pair_high()
244   return __value >= 0xdc00 && __value <= 0xdfff;  in __is_surrogate_pair_low()
275         __value -= 0xd800;  in __consume()
277         __value += static_cast<char32_t>(*__first_++) - 0xdc00;  in __consume()
278         __value += 0x10000;  in __consume()