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LibJS+Everywhere: Make PrimitiveString and Utf16String fallible
This makes construction of Utf16String fallible in OOM conditions. The immediate impact is that PrimitiveString must then be fallible as well, as it may either transcode UTF-8 to UTF-16, or create a UTF-16 string from ropes. There are a couple of places where it is very non-trivial to propagate the error further. A FIXME has been added to those locations.
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57 changed files with 306 additions and 295 deletions
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@ -146,8 +146,8 @@ ThrowCompletionOr<Value> get_option(VM& vm, Object const& options, PropertyKey c
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if (!values.is_empty()) {
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// NOTE: Every location in the spec that invokes GetOption with type=boolean also has values=undefined.
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VERIFY(value.is_string());
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if (!values.contains_slow(value.as_string().deprecated_string()))
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return vm.throw_completion<RangeError>(ErrorType::OptionIsNotValidValue, value.as_string().deprecated_string(), property.as_string());
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if (auto const& value_string = TRY(value.as_string().deprecated_string()); !values.contains_slow(value_string))
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return vm.throw_completion<RangeError>(ErrorType::OptionIsNotValidValue, value_string, property.as_string());
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}
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// 9. Return value.
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@ -165,7 +165,7 @@ ThrowCompletionOr<DeprecatedString> to_temporal_overflow(VM& vm, Object const* o
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auto option = TRY(get_option(vm, *options, vm.names.overflow, OptionType::String, { "constrain"sv, "reject"sv }, "constrain"sv));
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VERIFY(option.is_string());
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return option.as_string().deprecated_string();
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return TRY(option.as_string().deprecated_string());
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}
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// 13.5 ToTemporalDisambiguation ( options ), https://tc39.es/proposal-temporal/#sec-temporal-totemporaldisambiguation
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@ -179,7 +179,7 @@ ThrowCompletionOr<DeprecatedString> to_temporal_disambiguation(VM& vm, Object co
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auto option = TRY(get_option(vm, *options, vm.names.disambiguation, OptionType::String, { "compatible"sv, "earlier"sv, "later"sv, "reject"sv }, "compatible"sv));
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VERIFY(option.is_string());
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return option.as_string().deprecated_string();
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return TRY(option.as_string().deprecated_string());
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}
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// 13.6 ToTemporalRoundingMode ( normalizedOptions, fallback ), https://tc39.es/proposal-temporal/#sec-temporal-totemporalroundingmode
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@ -202,7 +202,7 @@ ThrowCompletionOr<DeprecatedString> to_temporal_rounding_mode(VM& vm, Object con
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fallback.view()));
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VERIFY(option.is_string());
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return option.as_string().deprecated_string();
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return TRY(option.as_string().deprecated_string());
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}
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// 13.7 NegateTemporalRoundingMode ( roundingMode ), https://tc39.es/proposal-temporal/#sec-temporal-negatetemporalroundingmode
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@ -239,7 +239,7 @@ ThrowCompletionOr<DeprecatedString> to_temporal_offset(VM& vm, Object const* opt
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auto option = TRY(get_option(vm, *options, vm.names.offset, OptionType::String, { "prefer"sv, "use"sv, "ignore"sv, "reject"sv }, fallback.view()));
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VERIFY(option.is_string());
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return option.as_string().deprecated_string();
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return TRY(option.as_string().deprecated_string());
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}
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// 13.9 ToCalendarNameOption ( normalizedOptions ), https://tc39.es/proposal-temporal/#sec-temporal-tocalendarnameoption
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@ -249,7 +249,7 @@ ThrowCompletionOr<DeprecatedString> to_calendar_name_option(VM& vm, Object const
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auto option = TRY(get_option(vm, normalized_options, vm.names.calendarName, OptionType::String, { "auto"sv, "always"sv, "never"sv, "critical"sv }, "auto"sv));
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VERIFY(option.is_string());
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return option.as_string().deprecated_string();
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return TRY(option.as_string().deprecated_string());
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}
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// 13.10 ToTimeZoneNameOption ( normalizedOptions ), https://tc39.es/proposal-temporal/#sec-temporal-totimezonenameoption
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@ -259,7 +259,7 @@ ThrowCompletionOr<DeprecatedString> to_time_zone_name_option(VM& vm, Object cons
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auto option = TRY(get_option(vm, normalized_options, vm.names.timeZoneName, OptionType::String, { "auto"sv, "never"sv, "critical"sv }, "auto"sv));
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VERIFY(option.is_string());
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return option.as_string().deprecated_string();
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return TRY(option.as_string().deprecated_string());
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}
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// 13.11 ToShowOffsetOption ( normalizedOptions ), https://tc39.es/proposal-temporal/#sec-temporal-toshowoffsetoption
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@ -269,7 +269,7 @@ ThrowCompletionOr<DeprecatedString> to_show_offset_option(VM& vm, Object const&
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auto option = TRY(get_option(vm, normalized_options, vm.names.offset, OptionType::String, { "auto"sv, "never"sv }, "auto"sv));
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VERIFY(option.is_string());
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return option.as_string().deprecated_string();
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return TRY(option.as_string().deprecated_string());
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}
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// 13.12 ToTemporalRoundingIncrement ( normalizedOptions, dividend, inclusive ), https://tc39.es/proposal-temporal/#sec-temporal-totemporalroundingincrement
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@ -530,7 +530,7 @@ ThrowCompletionOr<Optional<DeprecatedString>> get_temporal_unit(VM& vm, Object c
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Optional<DeprecatedString> value = option_value.is_undefined()
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? Optional<DeprecatedString> {}
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: option_value.as_string().deprecated_string();
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: TRY(option_value.as_string().deprecated_string());
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// 11. If value is listed in the Plural column of Table 13, then
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for (auto const& row : temporal_units) {
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