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961 commits

Author SHA1 Message Date
Linus Groh
d9ed0f1f47 LibJS: Implement Temporal.PlainYearMonth.prototype.inLeapYear 2021-08-08 17:45:06 +01:00
Linus Groh
3592a748b6 LibJS: Implement Temporal.PlainYearMonth.prototype.monthsInYear 2021-08-08 17:45:06 +01:00
Linus Groh
703eb1f7b4 LibJS: Implement Temporal.PlainYearMonth.prototype.daysInMonth 2021-08-08 17:45:06 +01:00
Linus Groh
1f1d7144bf LibJS: Implement Temporal.PlainYearMonth.prototype.daysInYear 2021-08-08 17:45:06 +01:00
Linus Groh
5ec70792fd LibJS: Implement Temporal.PlainYearMonth.prototype.monthCode 2021-08-08 17:45:06 +01:00
Linus Groh
0edec6578b LibJS: Implement Temporal.PlainYearMonth.prototype.month 2021-08-08 17:45:06 +01:00
Linus Groh
c947ba9ed9 LibJS: Implement Temporal.PlainYearMonth.prototype.year 2021-08-08 17:45:06 +01:00
Linus Groh
71eca69d7c LibJS: Implement Temporal.PlainYearMonth.prototype.calendar 2021-08-08 17:45:06 +01:00
Linus Groh
d8e835d22f LibJS: Implement Temporal.PlainYearMonth.prototype[@@toStringTag] 2021-08-08 17:45:06 +01:00
Linus Groh
4d3af45efb LibJS: Handle PlainYearMonth in the Calendar.prototype getters 2021-08-08 17:45:06 +01:00
Linus Groh
e2f016dc81 LibJS: Handle PlainYearMonth in ISO{Year,Month,MonthCode,Day} 2021-08-08 17:45:06 +01:00
Linus Groh
4ba5df7145 LibJS: Handle PlainYearMonth in GetTemporalCalendarWithISODefault 2021-08-08 17:45:06 +01:00
Linus Groh
2aec6653c4 LibJS: Handle PlainYearMonth in ToTemporalCalendar 2021-08-08 17:45:06 +01:00
Linus Groh
0a8edd5ce7 LibJS: Start implementing Temporal.PlainYearMonth 
This commit adds the PlainYearMonth object itself, its constructor and
prototype (currently empty), and the CreateTemporalYearMonth and
ISOYearMonthWithinLimits abstract operations.
 2021-08-08 17:45:06 +01:00
Linus Groh
5b12542d39 LibJS: Fix Vector<Value> => MarkedValueList in calendar_fields() 
We need to ensure the temporary PrimitiveString cells don't get GC'd.
 2021-08-08 17:45:06 +01:00
Linus Groh
53c44bea00 LibJS: Mark getters of more Temporal objects [[nodiscard]] 
PlainDate, PlainTime, and PlainDateTime already do this. All the others
should as well.
 2021-08-08 17:45:06 +01:00
Linus Groh
16c38788c3 LibJS: Add missing spec links 2021-08-08 11:04:30 +01:00
Daniel Bertalan
0e21bf0f23 LibJS: Don't overflow size_t in Value::to_length() 
Although this is not spec-compliant, we don't have a way to represent
objects larger than `NumericLimits<size_t>::max()`. Since this abstract
operation is only used when dealing with object size, we don't lose any
functionality by taking that limit into account too.

This fixes a UBSAN error when compiling with Clang.
 2021-08-08 10:55:36 +02:00
Daniel Bertalan
12dc2c2079 LibJS: Fix wraparound UB in Value::to_u{8,16} 
If we call these two functions on a negative value, undefined behavior
occurs due to casting a negative double to an unsigned integer. These
functions are defined to perform modular arithmetic, so negative values
can be fixed up by adding 2^8/2^16.

The reason why this step is not mentioned in ECMA-262 is that it defines
modular arithmetic so that `x mod m` had the same sign as `m`, while
LibM's `fmod(x, m)` copies `x`'s sign.

This issue was found by UBSAN with the Clang toolchain.
 2021-08-08 10:55:36 +02:00
Daniel Bertalan
0a05f04d1b LibJS: Fix UB in Number.IsSafeInteger 
Casting a floating point number to an integer and comparing that against
the original value is not a good way to test if it is a whole number. It
may cause unnecessary narrowing conversion issues and UB. This was the
case, which was caught be Clang's `-fsanitize=float-cast-overflow`.

This commit changes the code to use `is_integral_number`, as suggested
in ECMA-262.
 2021-08-08 10:55:36 +02:00
Daniel Bertalan
fd76e71934 LibJS: Fix UB in Math.clz32 
If the argument to this function is greater then or equal to 2^32, the
`double` => `u32` cast produces undefined behavior, which Clang catches.
To fix this, we now use `ToUint32` for getting the integer argument, as
specified by ECMA-262.
 2021-08-08 10:55:36 +02:00
Linus Groh
6852ba4d34 LibJS: Implement Temporal.Instant.prototype.subtract() 2021-08-07 13:10:35 +01:00
Linus Groh
b38f1fb071 LibJS: Implement Temporal.Instant.prototype.add() 2021-08-07 13:10:35 +01:00
Linus Groh
8ffad70504 LibJS: Add missing spec link to Temporal.Instant.prototype.round() 2021-08-07 13:10:35 +01:00
sin-ack
ab39a94fdf LibJS: Cast length to signed integer before subtraction 
length is size_t as returned, and so subtracting from it may cause
underflow. We handle this case by just casting it to a signed value, and
the for loop predicate takes care of the rest.
 2021-08-07 11:32:16 +02:00
Linus Groh
f12152f77e LibJS: Reflect an editorial change in the Temporal spec 
See: fb9b550
 2021-08-07 01:21:39 +01:00
Linus Groh
5d536c7fbc LibJS: Reflect infallibility editorial changes in the Temporal spec 
See: de918c9
 2021-08-07 01:15:45 +01:00
davidot
871a29884d LibJS: Implement proposed TypedArray.prototype.findLast{,Index} 
Proposal: https://tc39.es/proposal-array-find-from-last/
 2021-08-06 16:17:25 +01:00
davidot
b6523906b3 LibJS: Implement proposed Array.prototype.findLast{,Index} 
Proposal: https://tc39.es/proposal-array-find-from-last/
 2021-08-06 16:17:25 +01:00
Linus Groh
b7b23d05d5 LibJS: Implement Temporal.ZonedDateTime.prototype.getISOFields() 2021-08-05 23:15:27 +01:00
Linus Groh
82ab5da4db LibJS: Implement Temporal.ZonedDateTime.prototype.toPlainDateTime() 2021-08-05 23:15:27 +01:00
Linus Groh
6ce631b023 LibJS: Implement Temporal.ZonedDateTime.prototype.toPlainTime() 2021-08-05 23:15:27 +01:00
Linus Groh
b4ea4e86a7 LibJS: Implement Temporal.ZonedDateTime.prototype.toPlainDate() 2021-08-05 23:15:27 +01:00
Linus Groh
96a0c201d5 LibJS: Implement Temporal.ZonedDateTime.prototype.toInstant() 2021-08-05 23:15:27 +01:00
Linus Groh
20300bd7c4 LibJS: Implement Temporal.ZonedDateTime.prototype.valueOf() 2021-08-05 23:15:27 +01:00
Linus Groh
6c345c8107 LibJS: Implement Temporal.ZonedDateTime.prototype.offset 2021-08-05 19:19:40 +02:00
Linus Groh
f937e9b966 LibJS: Implement Temporal.ZonedDateTime.prototype.offsetNanoseconds 2021-08-05 19:19:40 +02:00
Linus Groh
dd36593c72 LibJS: Implement Temporal.ZonedDateTime.prototype.inLeapYear 2021-08-05 19:19:40 +02:00
Linus Groh
5a7db1b5f4 LibJS: Implement Temporal.ZonedDateTime.prototype.monthsInYear 2021-08-05 19:19:40 +02:00
Linus Groh
204ba01416 LibJS: Implement Temporal.ZonedDateTime.prototype.daysInYear 2021-08-05 19:19:40 +02:00
Linus Groh
6007fc4804 LibJS: Implement Temporal.ZonedDateTime.prototype.daysInMonth 2021-08-05 19:19:40 +02:00
Linus Groh
d89d55a7a3 LibJS: Implement Temporal.ZonedDateTime.prototype.daysInWeek 2021-08-05 19:19:40 +02:00
Linus Groh
540fdbcf5b LibJS: Implement Temporal.ZonedDateTime.prototype.weekOfYear 2021-08-05 19:19:40 +02:00
Linus Groh
d20a4fe43e LibJS: Implement Temporal.ZonedDateTime.prototype.dayOfYear 2021-08-05 19:19:40 +02:00
Linus Groh
39e67a5823 LibJS: Implement Temporal.ZonedDateTime.prototype.dayOfWeek 2021-08-05 19:19:40 +02:00
Linus Groh
f86bbb7a71 LibJS: Implement Temporal.ZonedDateTime.prototype.epochNanoseconds 2021-08-05 19:19:40 +02:00
Linus Groh
62294d62c5 LibJS: Implement Temporal.ZonedDateTime.prototype.epochMicroseconds 2021-08-05 19:19:40 +02:00
Linus Groh
a9162b7e98 LibJS: Implement Temporal.ZonedDateTime.prototype.epochMilliseconds 2021-08-05 19:19:40 +02:00
Linus Groh
47135af987 LibJS: Implement Temporal.ZonedDateTime.prototype.epochSeconds 2021-08-05 19:19:40 +02:00
Linus Groh
a1082412ef LibJS: Implement Temporal.ZonedDateTime.prototype.nanosecond 2021-08-05 19:19:40 +02:00