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This commit is contained in:
HedgehogInTheCPP 2026-09-19 00:37:11 +03:00
parent 8c8d69ecc1
commit b8392a5ada
1 changed files with 7 additions and 10 deletions
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17
include/fast_float/ascii_number.h
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@ -536,8 +536,7 @@ parse_number_string(UC const *p, UC const *pend,
}
if FASTFLOAT_CONSTEXPR17 (json_fmt) {
if (!is_integer(*p)) {
// A sign must be followed by an integer
if (!is_integer(*p)) { // A sign must be followed by an integer
return report_parse_error<UC>(answer, p,
parse_error::missing_integer_after_sign);
}
@ -585,6 +584,7 @@ parse_number_string(UC const *p, UC const *pend,
}
#endif
if (start_digits[0] == UC('0') && digit_count > 1) {
// But leading zero
return report_parse_error<UC>(answer, start_digits,
parse_error::leading_zeros_in_integer_part);
}
@ -631,20 +631,17 @@ parse_number_string(UC const *p, UC const *pend,
}
#ifndef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN
if FASTFLOAT_CONSTEXPR17 (json_fmt) {
// at least 1 digit in fractional part
// At least 1 digit in fractional part
if (answer.exponent == 0) {
return report_parse_error<UC>(answer, p,
parse_error::no_digits_in_fractional_part);
}
}
#endif
#ifndef FASTFLOAT_ISNOT_CHECKED_BOUNDS
// External parser already check that this is num and it's exist
else if (digit_count == 0) { // We must have encountered at least one integer!
return report_parse_error<UC>(answer, p,
parse_error::no_digits_in_mantissa);
}
#endif
// We have now parsed the integer and the fraction part of the mantissa.
// Now we can parse the explicit exponential part.
@ -678,9 +675,9 @@ parse_number_string(UC const *p, UC const *pend,
// We have now parsed the sign of the exponent.
if (p == pend || !is_integer(*p)) {
if (!chars_format_t(options.format & chars_format::fixed)) {
// The exponential part is invalid for scientific notation, so it
// must be a trailing token for fixed notation. However, fixed
// notation is disabled, so report a scientific notation error.
// The exponential part is invalid for scientific notation, so it must
// be a trailing token for fixed notation. However, fixed notation is
// disabled, so report a scientific notation error.
return report_parse_error<UC>(answer, p,
parse_error::missing_exponential_part);
}
@ -792,7 +789,7 @@ parse_int_string(UC const *p, UC const *pend, T &value,
return answer;
}
if (negative ||
((chars_format_t(options.format & chars_format::allow_leading_plus)) &&
(chars_format_t(options.format & chars_format::allow_leading_plus) &&
(*p == UC('+')))) {
++p;
}