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Fix JSON parsing error.

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Remove FASTFLOAT_CONSTEXPR17 from json_fmt because it's a template parameter.
This commit is contained in:
HedgehogInTheCPP 2026-09-19 21:11:26 +03:00
parent 5f6c3c8df9
commit d633ecb297
1 changed files with 6 additions and 7 deletions
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13
include/fast_float/ascii_number.h
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@ -533,7 +533,7 @@ parse_number_string(UC const *p, UC const *pend,
*p == UC('+'))) {
++p;
if FASTFLOAT_CONSTEXPR17 (json_fmt) {
if (json_fmt) {
if (p == pend &&
!is_integer(*p)) { // A sign must be followed by an integer
return report_parse_error<UC>(answer, p,
@ -575,25 +575,24 @@ parse_number_string(UC const *p, UC const *pend,
answer.integer = span<UC const>(start_digits, digit_count);
}
#ifndef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN
if FASTFLOAT_CONSTEXPR17 (json_fmt) {
#ifndef FASTFLOAT_ISNOT_CHECKED_BOUNDS
if (json_fmt) {
// At least 1 digit in integer part
if (digit_count == 0) {
return report_parse_error<UC>(answer, p,
parse_error::no_digits_in_integer_part);
}
#endif
}
if (json_fmt || chars_format_t(options.format & detail::javascript_fmt)) {
// ECMAScript DecimalIntegerLiteral is "0" or a non-zero digit followed by
// digits: no leading zeros. Unlike JSON, the integer part may be empty
// (".5"); the no_digits_in_mantissa check below still rejects ".".
if (start_digits[0] == UC('0') && digit_count > 1) {
if (!chars_format_t(options.format & detail::javascript_sloppy_fmt)) {
if (json_fmt ||
!chars_format_t(options.format & detail::javascript_sloppy_fmt)) {
return report_parse_error<UC>(
answer, start_digits, parse_error::leading_zeros_in_integer_part);
}
if FASTFLOAT_CONSTEXPR17 (!json_fmt) {
if (!json_fmt) {
// Sloppy mode (Annex B): a NonOctalDecimalIntegerLiteral has a leading
// zero and at least one digit that is 8 or 9 ("08.5" is 8.5). With
// octal digits only, it is a LegacyOctalIntegerLiteral ("0775"), which
@ -629,7 +628,7 @@ parse_number_string(UC const *p, UC const *pend,
digit_count -= static_cast<am_digits>(answer.exponent);
}
#ifndef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN
if FASTFLOAT_CONSTEXPR17 (json_fmt) {
if (json_fmt) {
// At least 1 digit in fractional part
if (has_decimal_point && answer.exponent == 0) {
return report_parse_error<UC>(answer, p,