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1346 commits

Author SHA1 Message Date
davidot
47bc72bcf6 LibJS: Correctly handle Unicode characters in JS source text 
Also recognize additional white space characters.
 2021-08-16 23:20:04 +01:00
davidot
4d6502de42 LibJS: Disallow standalone super expression 2021-08-16 23:20:04 +01:00
davidot
a8b25d6c36 LibJS: Handle '++' and '--' more correctly within expression 2021-08-16 23:20:04 +01:00
davidot
5f344f7ca3 LibJS: Check that 'let' is followed by declaration before matching it 
Since 'let' is a valid variable name (in non-strict mode) let may not be
the start of a declaration but just an identifier.
 2021-08-16 23:20:04 +01:00
davidot
179c48e1a4 LibJS: Add optional extra strict checks in parse_binding_pattern 2021-08-16 23:20:04 +01:00
davidot
f1f338edcd LibJS: Tighten default values in formal parameter parsing 
Disallow default parameter for rest parameters.
Disallow yield expressions as default values.
 2021-08-16 23:20:04 +01:00
davidot
4989e79c45 LibJS: Allow yielding a class 2021-08-16 23:20:04 +01:00
davidot
19582ccad8 LibJS: Treat yield as an identifier in more non-generator contexts 
And disallow some cases where we are in a generator context.
 2021-08-16 23:20:04 +01:00
davidot
26177b1826 LibJS: Add more duplicated declarations detection 
This is a small step in the right direction although the amount of
different checks is becoming unsustainable. In the future we probably
want to have the current_scope handle all declarations.
 2021-08-16 23:20:04 +01:00
davidot
085c7df895 LibJS: Be more strict about the lhs of a for in/of loop 
This is not entirely correct as really Object- and ArrayExpressions are
not allowed but that requires a bigger refactoring of for statement
parsing.
 2021-08-16 23:20:04 +01:00
davidot
106f9e30d7 LibJS: Force the lexer to parse a regex when expecting a statement 2021-08-16 23:20:04 +01:00
davidot
05444103e3 LibJS: Treat arrow expression as function and stop parsing after 2021-08-16 23:20:04 +01:00
davidot
e31b715808 LibJS: Make functions reset break and continue context 2021-08-16 23:20:04 +01:00
davidot
be3b4a68d2 LibJS: Allow class methods named "get", "set" or "static" 2021-08-16 23:20:04 +01:00
davidot
b16c02d6b4 LibJS: Allow labelled functions in certain contexts 
Also disallow duplicated labels.
 2021-08-16 23:20:04 +01:00
davidot
4cc95ae39d LibJS: Fix that a windows-style new line was not escaped properly 2021-08-16 23:20:04 +01:00
Linus Groh
cbe7015c0c LibJS: Add missing spec link to YearMonthFromFields 2021-08-16 20:40:21 +01:00
Linus Groh
795e077eb8 LibJS: Implement Temporal.PlainDate.prototype.toPlainMonthDay() 2021-08-16 20:40:21 +01:00
Linus Groh
31f65b8c50 LibJS: Implement Temporal.Calendar.prototype.monthDayFromFields() 2021-08-16 20:40:21 +01:00
Linus Groh
c1ffc17134 LibJS: Implement Temporal.Calendar.prototype.fields() 2021-08-16 20:02:02 +01:00
Linus Groh
6709c915aa LibJS: Implement Temporal.PlainDate.prototype.toPlainYearMonth() 2021-08-16 14:10:41 +01:00
Linus Groh
ed9d37bd40 LibJS: Implement Temporal.Calendar.prototype.yearMonthFromFields() 2021-08-16 14:10:41 +01:00
davidot
020bfc9d93 LibJS: Parse and partially execute import and export statements 
We produce the import and export entries as per the spec. However we do
not yet verify that named things that are exported are declared
somewhere.
 2021-08-15 23:51:47 +01:00
davidot
7613c22b06 LibJS: Add a mode to parse JS as a module 
In a module strict mode should be enabled at the start of parsing and we
allow import and export statements.
 2021-08-15 23:51:47 +01:00
Linus Groh
fa8e9cb683 LibJS/Tests: Skip flaky FinalizationRegistry.prototype.cleanupSome test 2021-08-15 16:44:01 +01:00
Timothy Flynn
f1ce998d73 LibRegex+LibJS: Combine named and unnamed capture groups in MatchState 
Combining these into one list helps reduce the size of MatchState, and
as a result, reduces the amount of memory consumed during execution of
very large regex matches.

Doing this also allows us to remove a few regex byte code instructions:
ClearNamedCaptureGroup, SaveLeftNamedCaptureGroup, and NamedReference.
Named groups now behave the same as unnamed groups for these operations.
Note that SaveRightNamedCaptureGroup still exists to cache the matched
group name.

This also removes the recursion level from the MatchState, as it can
exist as a local variable in Matcher::execute instead.
 2021-08-15 11:43:45 +01:00
Robert Stefanic
e26cfd313e LibJS: Prevent stack overflow in flatten_into_array() 
The check for stack space in VM from push_execution_context has been
moved to a method on VM called did_reach_stack_space_limit. This
allows us to check the stack size in other places besides
push_execution_context.

We can now verify that we have enough space on the stack before calling
flatten_into_array to ensure that we don't cause a stack overflow error
when calling the function with a large depth.
 2021-08-15 11:24:30 +01:00
Linus Groh
4520863c0e LibJS/Tests: Add test for PlainMonthDay default reference year 2021-08-15 10:36:36 +01:00
Linus Groh
8f7a9e1e5c LibJS/Tests: Add test for PlainYearMonth default reference day 2021-08-15 10:36:36 +01:00
Linus Groh
1549845389 LibJS: Implement Temporal.PlainMonthDay.prototype.getISOFields() 2021-08-15 10:36:36 +01:00
Linus Groh
7fb05eb878 LibJS: Implement Temporal.PlainMonthDay.prototype.valueOf() 2021-08-15 10:36:36 +01:00
Linus Groh
c2ed3ad66b LibJS: Implement Temporal.PlainMonthDay.prototype.day 2021-08-15 10:36:36 +01:00
Linus Groh
9551aa17d3 LibJS: Implement Temporal.PlainMonthDay.prototype.monthCode 2021-08-15 10:36:36 +01:00
Linus Groh
1382be1707 LibJS: Implement Temporal.PlainMonthDay.prototype.calendar 2021-08-15 10:36:36 +01:00
Linus Groh
37b5a0715e LibJS: Implement Temporal.PlainMonthDay.prototype[@@toStringTag] 2021-08-15 10:36:36 +01:00
Linus Groh
0cf526d0c4 LibJS: Handle PlainMonthDay in the Calendar.prototype getters 2021-08-15 10:36:36 +01:00
Linus Groh
b76bae13fd LibJS: Handle PlainMonthDay in ISO{Year,Month,MonthCode,Day} 2021-08-15 10:36:36 +01:00
Linus Groh
ec00d4729a LibJS: Handle PlainMonthDay in GetTemporalCalendarWithISODefault 2021-08-15 10:36:36 +01:00
Linus Groh
1e54e37228 LibJS: Handle PlainMonthDay in ToTemporalCalendar 2021-08-15 10:36:36 +01:00
Linus Groh
be07e2e91b LibJS: Start implementing Temporal.PlainMonthDay 
This commit adds the PlainMonthDay object itself, its constructor and
prototype (currently empty), and the CreateTemporalMonthDay abstract
operations.
 2021-08-15 10:36:36 +01:00
Linus Groh
301d622b46 LibJS/Tests: Tweak PlainYearMonth Infinity test values 
Since we want to test that +/- Infinity fails as an argument, we should
provide valid arguments for everything else - 0 for month isn't :^)
 2021-08-15 10:36:36 +01:00
Idan Horowitz
04359995a7 LibJS: Exclude FinalizationRegistries with queued cleanup jobs from GC 
This is done by just adding them to the list of GC roots, which
prevents the VM from trying to run cleanup job of garbage collected
registries.
 2021-08-14 22:32:31 +01:00
Andreas Kling
286a7ecd92 LibJS: Call base class visit_edges() in various Temporal objects 
When overriding visit_edges() in a JS::Object subclass, we must make
sure to call the base class visit_edges(), or the object's Shape (and
any properties) will not get marked.
 2021-08-14 20:12:22 +02:00
Linus Groh
f51f5e135a LibJS/Tests: Remove outdated FIXME comment 2021-08-13 23:59:22 +01:00
Linus Groh
95059b9549 LibJS/Tests: Enable Proxy handler apply() thisArg test that now passes 2021-08-13 23:57:33 +01:00
Linus Groh
419c21c66f LibJS/Tests: Test iteration order of Map.prototype.entries() 2021-08-13 23:54:08 +01:00
Linus Groh
455b94af7f LibJS/Tests: Test iteration order of Map.prototype.values() 2021-08-13 23:54:02 +01:00
Linus Groh
ea44d9e194 LibJS/Tests: Test iteration order of Map.prototype.keys() 2021-08-13 23:53:40 +01:00
Andreas Kling
1e90a3a542 Kernel: Make sys$perf_register_string() generate the string ID's 
Making userspace provide a global string ID was silly, and made the API
extremely difficult to use correctly in a global profiling context.

Instead, simply make the kernel do the string ID allocation for us.
This also allows us to convert the string storage to a Vector in the
kernel (and an array in the JSON profile data.)
 2021-08-12 00:03:39 +02:00
Andreas Kling
56e84a63ca LibJS: Emit a profile signpost when starting a garbage collection 2021-08-12 00:03:39 +02:00