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merge(3p/absl): subtree merge of Abseil up to e19260f

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... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).

Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
This commit is contained in:
Vincent Ambo 2020-11-21 14:43:54 +01:00
parent cc27324d02
commit 082c006c04
854 changed files with 11260 additions and 5296 deletions
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12
third_party/abseil_cpp/absl/strings/internal/charconv_parse.cc vendored
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@ -246,8 +246,8 @@ constexpr int DigitMagnitude<16>() {
// ConsumeDigits does not protect against overflow on *out; max_digits must
// be chosen with respect to type T to avoid the possibility of overflow.
template <int base, typename T>
std::size_t ConsumeDigits(const char* begin, const char* end, int max_digits,
T* out, bool* dropped_nonzero_digit) {
int ConsumeDigits(const char* begin, const char* end, int max_digits, T* out,
bool* dropped_nonzero_digit) {
if (base == 10) {
assert(max_digits <= std::numeric_limits<T>::digits10);
} else if (base == 16) {
@ -282,7 +282,7 @@ std::size_t ConsumeDigits(const char* begin, const char* end, int max_digits,
*dropped_nonzero_digit = true;
}
*out = accumulator;
return begin - original_begin;
return static_cast<int>(begin - original_begin);
}
// Returns true if `v` is one of the chars allowed inside parentheses following
@ -372,7 +372,7 @@ strings_internal::ParsedFloat ParseFloat(const char* begin, const char* end,
int exponent_adjustment = 0;
bool mantissa_is_inexact = false;
std::size_t pre_decimal_digits = ConsumeDigits<base>(
int pre_decimal_digits = ConsumeDigits<base>(
begin, end, MantissaDigitsMax<base>(), &mantissa, &mantissa_is_inexact);
begin += pre_decimal_digits;
int digits_left;
@ -398,14 +398,14 @@ strings_internal::ParsedFloat ParseFloat(const char* begin, const char* end,
while (begin < end && *begin == '0') {
++begin;
}
std::size_t zeros_skipped = begin - begin_zeros;
int zeros_skipped = static_cast<int>(begin - begin_zeros);
if (zeros_skipped >= DigitLimit<base>()) {
// refuse to parse pathological inputs
return result;
}
exponent_adjustment -= static_cast<int>(zeros_skipped);
}
std::size_t post_decimal_digits = ConsumeDigits<base>(
int post_decimal_digits = ConsumeDigits<base>(
begin, end, digits_left, &mantissa, &mantissa_is_inexact);
begin += post_decimal_digits;