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This is a continuation of the previous three commits.
Now that create() receives the allocating realm, we can simply forward
that to allocate(), which accounts for the majority of these changes.
Additionally, we can get rid of the realm_from_global_object() in one
place, with one more remaining in VM::throw_completion().
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This is a continuation of the previous two commits.
As allocating a JS cell already primarily involves a realm instead of a
global object, and we'll need to pass one to the allocate() function
itself eventually (it's bridged via the global object right now), the
create() functions need to receive a realm as well.
The plan is for this to be the highest-level function that actually
receives a realm and passes it around, AOs on an even higher level will
use the "current realm" concept via VM::current_realm() as that's what
the spec assumes; passing around realms (or global objects, for that
matter) on higher AO levels is pointless and unlike for allocating
individual objects, which may happen outside of regular JS execution, we
don't need control over the specific realm that is being used there.
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This is a continuation of the previous commit.
Calling initialize() is the first thing that's done after allocating a
cell on the JS heap - and in the common case of allocating an object,
that's where properties are assigned and intrinsics occasionally
accessed.
Since those are supposed to live on the realm eventually, this is
another step into that direction.
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No functional changes - we can still very easily get to the global
object via `Realm::global_object()`. This is in preparation of moving
the intrinsics to the realm and no longer having to pass a global
object when allocating any object.
In a few (now, and many more in subsequent commits) places we get a
realm using `GlobalObject::associated_realm()`, this is intended to be
temporary. For example, create() functions will later receive the same
treatment and are passed a realm instead of a global object.
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Like any other regular, non-inheriting web platform prototype, the
prototype's prototype should be Object.prototype, not the global object.
Another reason to get rid of "global object (an object) + prototype
object (also an object)"-style APIs for allocation :^)
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Previously if `background-size` was 0px in any dimension we would
go into in infinite loop whilst painting.
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The on_segment_change handler introduced in
a00fa793b37550a8b44122192346eeeb1d692bf9 was only getting called by
programmatically setting the segment, not by clicking a button or using
tab navigation.
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This patch makes the handler's behavior closer to what can be expected
from it's name by not handling set_selected_segment if the segment is
already selected.
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This deadlock would incorrectly change the queue from almost empty to
full on dequeue because someone else could empty the queue after we had
checked its non-emptyness. The test would deadlock on this, which
doesn't happen anymore.
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These just resolve to an extra color stop.
Something like "red 10% 40%" is just shorthand for "red 10%, red 40%".
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This is an easy check to add and seems like it makes things a
tiny bit smoother.
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The only accepted syntax for these seems to be
<color> <length percentage> <length percentage>, no other order.
But that's just gathered from looking at other browsers as though
these are supported by all major browsers, they don't appear in
the W3C spec.
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Monte-Carlo methods are known to intensively create nodes and in our
case each leaf of the tree stores a board. However, for this use case,
we don't need a full board object that also contains game information.
This patch adds a `clone_cleared()` method that return a clone without
game information and uses it when constructing the tree.
It allows the ChessEngine much more possibility before getting out of
memory.
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This was giving wonky results with images that do not fill the entire
card - and it's also unnecessary, since the Buggie image we have been
using, and the two I will be adding, are all small enough to not need
scaling anyway. :^)
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`CardPainter::set_background_image_path()` immediately repaints the card
back and inverted card back bitmaps if they exist, so users just need
to `update()` that part of the screen. This is handled automatically by
`CardGame`, but other users will have to do this manually.
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Instead of each card being responsible for painting its own bitmaps, we
now have a CardPainter which is responsible for this. It paints a given
card the first time it is requested, and then re-uses that bitmap when
requested in the future. This saves memory for duplicate cards (such as
in Spider where several sets of the same suit are used) or unused ones
(for example, the inverted cards which are only used by Hearts). It
also means we don't throw away bitmaps and then re-create identical
ones when starting a new game.
We get some nice memory savings from this:
| | Before | After | Before (Virtual) | After (Virtual) |
|:----------|---------:|---------:|-----------------:|----------------:|
| Hearts | 12.2 MiB | 9.3 MiB | 25.1 MiB | 22.2 MiB |
| Spider | 12.1 MiB | 10.1 MiB | 29.2 MiB | 22.9 MiB |
| Solitaire | 16.4 MiB | 9.0 MiB | 25.0 MiB | 21.9 MiB |
All these measurements taken from x86_64 build, from a fresh launch of
each game after the animation has finished, but without making any
moves. The Hearts value will go up once inverted cards start being
requested.
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Because `card->value() == 11` is a lot less clear than `card->rank() ==
Cards::Rank::Queen`, and also safer.
Put this, along with the `Suit` enum, in the `Cards` namespace directly
instead of inside `Cards::Card`. Slightly less typing that way.
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For now, the only feature of this is that it sets the background colour
from the `Games::Cards::BackgroundColor` config value. Later, other
card game configuration and shared behaviour can go here, to save
duplicating it in each game.
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If the segment corresponding to the selected index is removed the index
is no longer valid.
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This allows programs to respond to any selection changes of the
Breadcrumbbar, not just ones made by clicking one of the buttons.
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Required by Discord, which polyfills it by taking the existing native
object, polyfilling missing functions and setting window.performance to
it.
This is a hard requirement as this is done in strict mode with no
try/catch and thus causes their JavaScript to stop progressing.
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We already did this but it called the @@iterator method of
%Array.prototype% visible to the user for example by overriding that
method. This should not be visible so we use a special version of
SuperCall now.
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Although this already works in most cases in non-kvm serenity cases the
cosh and other math function tend to return incorrect values for
Infinity. This makes sure that whatever the underlying cosh function
returns Math.cosh conforms to the spec.
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This allows us to treat unqualified, minimally-qualified, and
fully-qualified emojis the same as long as emoji filenames are in their
least qualified form (with respect to emoji presentation).
For example, the transgender flag emoji has 4 possible forms:
1F3F3 FE0F 200D 26A7 FE0F ; fully-qualified # 🏳️⚧️
1F3F3 200D 26A7 FE0F ; unqualified # 🏳⚧️
1F3F3 FE0F 200D 26A7 ; unqualified # 🏳️⚧
1F3F3 200D 26A7 ; unqualified # 🏳⚧
In order to treat them all as the same, we now drop all forms down
to 1F3F3 200D 26A7 (skipping any FE0F codepoints) and then do the
lookup for that form.
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This patch adds the NGROUPS_MAX constant and enforces it in
sys$setgroups() to ensure that no process has more than 32 supplementary
group IDs.
The number doesn't mean anything in particular, just had to pick a
number. Perhaps one day we'll have a reason to change it.
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We had a selected_segment() accessor, but the member it returned was
never actually updated.
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Noticed that mouse-overing the ruler area in the TextEditor
does not change the cursor to the default cursor, instead, the
beam cursor is used, which does not look nice.
This PR extends the mousemove event and introduces a new
set_editing_cursor() function that takes care of setting the
cursor for the editor area.
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Including `-webkit-repeating-linear-gradient()`
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The order of PNG compression is raw pixel data -> filter -> compress.
For decompression, the order is reversed, so that means uncompress ->
unfilter -> raw pixel data. Previously, the PNG decoder was converting
to raw pixel data before unfiltering, which was a problem when using
indexed color palettes, since each pixel's palette index could change
during unfiltering (e.g. it was unfiltering after already choosing
the color from the palette index). This was leading to 'Palette index
out of range' errors on files that both:
- Had scanlines with some sort of filtering
- Didn't use the full range of possible palette indices for their bit
depth.
Also, because filtering now happens before converting to pixel data,
filtering acts on bytes instead of pixels, meaning that the
implementation of each filter type now maps much more directly to
the specification:
http://www.libpng.org/pub/png/spec/1.2/PNG-Filters.html
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This path was changed to the uid templated version without actually
using the template resolver function in Account.
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We cache on the AST node side as this is easier to track a position, we
just have to take care to wrap the values in a handle to make sure they
are not garbage collected.
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Since tagged template literals can inspect the raw string it is not a
syntax error to have invalid escapes. However the cooked value should be
`undefined`.
We accomplish this by tracking whether parse_string_literal
fails and then using a NullLiteral (since UndefinedLiteral is not a
thing) and finally converting null in tagged template execution to
undefined.
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We use strtod to convert a string to number after checking whether the
string is [+-]Infinity, however strtod also checks for either 'inf' or
'infinity' in a case-insensitive.
There are still valid cases for strtod to return infinity like 10e100000
so we just check if the "number" contains 'i' or 'I' in which case
the strtod infinity is not valid.
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Assuming we had at least one argument meant that the ...arg count would
underflow causing the bound function to have length 0 instead of the
given length when binding with no arguments.
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This hook allows us to reject private elements on certain exotic
objects like the window object in browser.
Note that per the spec we should only call this hook if the host is a
web browser, however because LibJS has no way of knowing whether it is
in a web browser environment we just always call the host hook.
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Widget::handle_leave_event() hides the tooltip if one is shown. That's
usually fine and hides the widget's tooltip, but it can happen that
another widget managed to show a tooltip after the Leave event was
triggered and before it's processed.
Thus change handle_leave_event() to only hide the tooltip if it was show
by the widget.
Fixes the case where this could happen in the flame graph in Profiler
when moving the mouse over the tooltip window itself #14852.
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Tooltips can now be toggled on and off system-wide.
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This is a basic attempt at trying to handle parent container case
justify-content: flex-end.
Test-scenario:
Head to https://ryanwatkins.me and note that now the header nav is on
the right as opposed to the left in-line with how Chrome/Firefox would
respectively handle it also, i.e. 'flex-end'
Implementation:
Move cursor to the end and render in reverse backwards shifting the
cursor leftwards.
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Until the tracking stops, we want to keep displaying the same cursor.
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