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LibJS: Implement parsing of TemporalYearMonthString

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This commit is contained in:
Linus Groh 2021-11-19 19:19:29 +00:00
parent 3ddab2f4fe
commit 3b1de431cc
5 changed files with 56 additions and 6 deletions
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30
Userland/Libraries/LibJS/Runtime/Temporal/ISO8601.cpp
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@ -210,6 +210,21 @@ bool ISO8601Parser::parse_date_day()
return true;
}
// https://tc39.es/proposal-temporal/#prod-DateSpecYearMonth
bool ISO8601Parser::parse_date_spec_year_month()
{
// DateSpecYearMonth :
// DateYear -[opt] DateMonth
StateTransaction transaction { *this };
if (!parse_date_year())
return false;
m_state.lexer.consume_specific('-');
if (!parse_date_month())
return false;
transaction.commit();
return true;
}
// https://tc39.es/proposal-temporal/#prod-DateSpecMonthDay
bool ISO8601Parser::parse_date_spec_month_day()
{
@ -528,13 +543,26 @@ bool ISO8601Parser::parse_temporal_time_string()
|| parse_time();
}
// https://tc39.es/proposal-temporal/#prod-TemporalYearMonthString
bool ISO8601Parser::parse_temporal_year_month_string()
{
// TemporalYearMonthString :
// DateSpecYearMonth
// DateTime
// NOTE: Reverse order here because `DateSpecYearMonth` can be a subset of `DateTime`,
// so we'd not attempt to parse that but may not exhaust the input string.
return parse_date_time()
|| parse_date_spec_year_month();
}
}
#define JS_ENUMERATE_ISO8601_PRODUCTION_PARSERS \
__JS_ENUMERATE(TemporalDateString, parse_temporal_date_string) \
__JS_ENUMERATE(TemporalDateTimeString, parse_temporal_date_time_string) \
__JS_ENUMERATE(TemporalMonthDayString, parse_temporal_month_day_string) \
__JS_ENUMERATE(TemporalTimeString, parse_temporal_time_string)
__JS_ENUMERATE(TemporalTimeString, parse_temporal_time_string) \
__JS_ENUMERATE(TemporalYearMonthString, parse_temporal_year_month_string)
Optional<ParseResult> parse_iso8601(Production production, StringView input)
{