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LibJS: Remove unused nonterminals from the ISO8601 parser

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This is an editorial change in the Temporal spec.

See: fe9ef00
This commit is contained in:
Linus Groh 2022-08-25 21:41:23 +01:00
parent 42452a81a2
commit 2cf5f5c278
3 changed files with 21 additions and 292 deletions
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234
Userland/Libraries/LibJS/Runtime/Temporal/ISO8601.cpp
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@ -499,169 +499,6 @@ bool ISO8601Parser::parse_time_second()
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeHourNotValidMonth
bool ISO8601Parser::parse_time_hour_not_valid_month()
{
// TimeHourNotValidMonth : one of
// 00 13 14 15 16 17 18 19 20 21 23
StateTransaction transaction { *this };
auto success = m_state.lexer.consume_specific("00"sv)
|| m_state.lexer.consume_specific("13"sv)
|| m_state.lexer.consume_specific("14"sv)
|| m_state.lexer.consume_specific("15"sv)
|| m_state.lexer.consume_specific("16"sv)
|| m_state.lexer.consume_specific("17"sv)
|| m_state.lexer.consume_specific("18"sv)
|| m_state.lexer.consume_specific("19"sv)
|| m_state.lexer.consume_specific("20"sv)
|| m_state.lexer.consume_specific("21"sv)
|| m_state.lexer.consume_specific("22"sv)
|| m_state.lexer.consume_specific("23"sv);
if (!success)
return false;
m_state.parse_result.time_hour_not_valid_month = transaction.parsed_string_view();
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeHourNotThirtyOneDayMonth
bool ISO8601Parser::parse_time_hour_not_thirty_one_day_month()
{
// TimeHourNotThirtyOneDayMonth : one of
// 02 04 06 09 11
StateTransaction transaction { *this };
auto success = m_state.lexer.consume_specific("02"sv)
|| m_state.lexer.consume_specific("04"sv)
|| m_state.lexer.consume_specific("06"sv)
|| m_state.lexer.consume_specific("09"sv)
|| m_state.lexer.consume_specific("11"sv);
if (!success)
return false;
m_state.parse_result.time_hour_not_thirty_one_day_month = transaction.parsed_string_view();
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeHourTwoOnly
bool ISO8601Parser::parse_time_hour_two_only()
{
// TimeHourTwoOnly :
// 02
StateTransaction transaction { *this };
if (!m_state.lexer.consume_specific("02"sv))
return false;
m_state.parse_result.time_hour_two_only = transaction.parsed_string_view();
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeMinuteNotValidDay
bool ISO8601Parser::parse_time_minute_not_valid_day()
{
// TimeMinuteNotValidDay :
// 00
// 32
// 33
// 34
// 35
// 36
// 37
// 38
// 39
// 4 DecimalDigit
// 5 DecimalDigit
// 60
StateTransaction transaction { *this };
if (m_state.lexer.consume_specific('4') || m_state.lexer.consume_specific('5')) {
if (!parse_decimal_digit())
return false;
} else {
auto success = m_state.lexer.consume_specific("00"sv)
|| m_state.lexer.consume_specific("32"sv)
|| m_state.lexer.consume_specific("33"sv)
|| m_state.lexer.consume_specific("34"sv)
|| m_state.lexer.consume_specific("35"sv)
|| m_state.lexer.consume_specific("36"sv)
|| m_state.lexer.consume_specific("37"sv)
|| m_state.lexer.consume_specific("38"sv)
|| m_state.lexer.consume_specific("39"sv)
|| m_state.lexer.consume_specific("60"sv);
if (!success)
return false;
}
m_state.parse_result.time_minute_not_valid_day = transaction.parsed_string_view();
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeMinuteThirtyOnly
bool ISO8601Parser::parse_time_minute_thirty_only()
{
// TimeMinuteThirtyOnly :
// 30
StateTransaction transaction { *this };
if (!m_state.lexer.consume_specific("30"sv))
return false;
m_state.parse_result.time_minute_thirty_only = transaction.parsed_string_view();
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeMinuteThirtyOneOnly
bool ISO8601Parser::parse_time_minute_thirty_one_only()
{
// TimeMinuteThirtyOneOnly :
// 31
StateTransaction transaction { *this };
if (!m_state.lexer.consume_specific("31"sv))
return false;
m_state.parse_result.time_minute_thirty_one_only = transaction.parsed_string_view();
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeSecondNotValidMonth
bool ISO8601Parser::parse_time_second_not_valid_month()
{
// TimeSecondNotValidMonth :
// 00
// 13
// 14
// 15
// 16
// 17
// 18
// 19
// 2 DecimalDigit
// 3 DecimalDigit
// 4 DecimalDigit
// 5 DecimalDigit
// 60
StateTransaction transaction { *this };
if (m_state.lexer.consume_specific('2')
|| m_state.lexer.consume_specific('3')
|| m_state.lexer.consume_specific('4')
|| m_state.lexer.consume_specific('5')) {
if (!parse_decimal_digit())
return false;
} else {
auto success = m_state.lexer.consume_specific("00"sv)
|| m_state.lexer.consume_specific("13"sv)
|| m_state.lexer.consume_specific("14"sv)
|| m_state.lexer.consume_specific("15"sv)
|| m_state.lexer.consume_specific("16"sv)
|| m_state.lexer.consume_specific("17"sv)
|| m_state.lexer.consume_specific("18"sv)
|| m_state.lexer.consume_specific("19"sv)
|| m_state.lexer.consume_specific("60"sv);
if (!success)
return false;
}
m_state.parse_result.time_second_not_valid_month = transaction.parsed_string_view();
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-FractionalPart
bool ISO8601Parser::parse_fractional_part()
{
@ -819,38 +656,6 @@ bool ISO8601Parser::parse_time_zone_utc_offset()
|| parse_utc_designator();
}
// https://tc39.es/proposal-temporal/#prod-TimeZoneNumericUTCOffsetNotAmbiguousWithDayOfMonth
bool ISO8601Parser::parse_time_zone_numeric_utc_offset_not_ambiguous_with_day_of_month()
{
// TimeZoneNumericUTCOffsetNotAmbiguousWithDayOfMonth :
// TimeZoneNumericUTCOffset but not - TimeZoneUTCOffsetHour
StateTransaction transaction { *this };
if (!parse_time_zone_numeric_utc_offset())
return false;
auto parsed = *m_state.parse_result.time_zone_numeric_utc_offset;
if (parsed.length() == 3 && parsed[0] == '-')
return false;
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeZoneNumericUTCOffsetNotAmbiguousWithMonth
bool ISO8601Parser::parse_time_zone_numeric_utc_offset_not_ambiguous_with_month()
{
// TimeZoneNumericUTCOffsetNotAmbiguousWithMonth :
// TimeZoneNumericUTCOffsetNotAmbiguousWithDayOfMonth
// - TimeHourNotValidMonth
StateTransaction transaction { *this };
if (!parse_time_zone_numeric_utc_offset_not_ambiguous_with_day_of_month()) {
if (!m_state.lexer.consume_specific('-'))
return false;
if (!parse_time_hour_not_valid_month())
return false;
}
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeZoneUTCOffsetName
bool ISO8601Parser::parse_time_zone_utc_offset_name()
{
@ -1145,45 +950,6 @@ bool ISO8601Parser::parse_time_spec()
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeHourMinuteBasicFormatNotAmbiguousWithMonthDay
bool ISO8601Parser::parse_time_hour_minute_basic_format_not_ambiguous_with_month_day()
{
// TimeHourMinuteBasicFormatNotAmbiguousWithMonthDay :
// TimeHourNotValidMonth TimeMinute
// TimeHour TimeMinuteNotValidDay
// TimeHourNotThirtyOneDayMonth TimeMinuteThirtyOneOnly
// TimeHourTwoOnly TimeMinuteThirtyOnly
{
StateTransaction transaction { *this };
if (parse_time_hour_not_valid_month() && parse_time_minute()) {
transaction.commit();
return true;
}
}
{
StateTransaction transaction { *this };
if (parse_time_hour() && parse_time_minute_not_valid_day()) {
transaction.commit();
return true;
}
}
{
StateTransaction transaction { *this };
if (parse_time_hour_not_thirty_one_day_month() && parse_time_minute_thirty_one_only()) {
transaction.commit();
return true;
}
}
{
StateTransaction transaction { *this };
if (parse_time_hour_two_only() && parse_time_minute_thirty_only()) {
transaction.commit();
return true;
}
}
return false;
}
// https://tc39.es/proposal-temporal/#prod-TimeSpecWithOptionalTimeZoneNotAmbiguous
bool ISO8601Parser::parse_time_spec_with_optional_time_zone_not_ambiguous()
{