diff options
Diffstat (limited to 'libstdc++-v3/include/bits/unicode.h')
| -rw-r--r-- | libstdc++-v3/include/bits/unicode.h | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/libstdc++-v3/include/bits/unicode.h b/libstdc++-v3/include/bits/unicode.h index 29813b7..4623814 100644 --- a/libstdc++-v3/include/bits/unicode.h +++ b/libstdc++-v3/include/bits/unicode.h @@ -261,9 +261,13 @@ namespace __unicode { _Guard<_Iter> __g{this, _M_curr()}; char32_t __c{}; - uint8_t __u = *_M_curr()++; const uint8_t __lo_bound = 0x80, __hi_bound = 0xBF; + uint8_t __u = *_M_curr()++; uint8_t __to_incr = 1; + auto __incr = [&, this] { + ++__to_incr; + return ++_M_curr(); + }; if (__u <= 0x7F) [[likely]] // 0x00 to 0x7F __c = __u; @@ -281,8 +285,7 @@ namespace __unicode else { __c = (__c << 6) | (__u & 0x3F); - ++_M_curr(); - ++__to_incr; + __incr(); } } else if (__u <= 0xEF) // 0xE0 to 0xEF @@ -295,11 +298,10 @@ namespace __unicode if (__u < __lo_bound_2 || __u > __hi_bound_2) [[unlikely]] __c = _S_error(); - else if (++_M_curr() == _M_last) [[unlikely]] + else if (__incr() == _M_last) [[unlikely]] __c = _S_error(); else { - ++__to_incr; __c = (__c << 6) | (__u & 0x3F); __u = *_M_curr(); @@ -308,8 +310,7 @@ namespace __unicode else { __c = (__c << 6) | (__u & 0x3F); - ++_M_curr(); - ++__to_incr; + __incr(); } } } @@ -323,21 +324,19 @@ namespace __unicode if (__u < __lo_bound_2 || __u > __hi_bound_2) [[unlikely]] __c = _S_error(); - else if (++_M_curr() == _M_last) [[unlikely]] + else if (__incr() == _M_last) [[unlikely]] __c = _S_error(); else { - ++__to_incr; __c = (__c << 6) | (__u & 0x3F); __u = *_M_curr(); if (__u < __lo_bound || __u > __hi_bound) [[unlikely]] __c = _S_error(); - else if (++_M_curr() == _M_last) [[unlikely]] + else if (__incr() == _M_last) [[unlikely]] __c = _S_error(); else { - ++__to_incr; __c = (__c << 6) | (__u & 0x3F); __u = *_M_curr(); @@ -346,8 +345,7 @@ namespace __unicode else { __c = (__c << 6) | (__u & 0x3F); - ++_M_curr(); - ++__to_incr; + __incr(); } } } |