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Note that as of this commit, there aren't any such throwers, and the
call site in Heap::allocate will drop exceptions on the floor. This
commit only serves to change the declaration of the overrides, make sure
they return an empty value, and to propagate OOM errors frm their base
initialize invocations.
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This needs to happen before prototype/constructor intitialization can be
made lazy. Otherwise, GC could run during the C++ constructor and try to
collect the object currently being created.
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We have a new, improved string type coming up in AK (OOM aware, no null
state), and while it's going to use UTF-8, the name UTF8String is a
mouthful - so let's free up the String name by renaming the existing
class.
Making the old one have an annoying name will hopefully also help with
quick adoption :^)
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These classes only needed Window to get at its realm. Pass a realm
directly to construct HTML classes.
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Unlike ensure_web_prototype<T>(), the cached version doesn't require the
prototype type to be fully formed, so we can use it without including
the FooPrototype.h header. It's also a bit less verbose. :^)
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This is a monster patch that turns all EventTargets into GC-allocated
PlatformObjects. Their C++ wrapper classes are removed, and the LibJS
garbage collector is now responsible for their lifetimes.
There's a fair amount of hacks and band-aids in this patch, and we'll
have a lot of cleanup to do after this.
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The goal here is to move the parser-internal classes into this namespace
so they can have more convenient names without causing collisions. The
Parser itself won't collide, and would be more convenient to just
remain `CSS::Parser`, but having a namespace and a class with the same
name makes C++ unhappy.
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https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules
"The compiler is more likely to get the default semantics right and
you cannot implement these functions better than the compiler."
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This is only ever null at the moment, as we only set it on <style>
elements to begin with.
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1% progression on ACID3. :^)
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https://www.w3.org/TR/cssom/ is the more permanent home of the CSSOM
specification's latest version, and is up to date with the draft spec.
Also, https://drafts.csswg.org/ has been down multiple times recently
which made looking things up a pain.
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We now follow the "update a style block" algorithm from the HTML spec
instead of using the ad-hoc CSSLoader mechanism.
This necessitated improving our StyleSheet and CSSStyleSheet classes as
well, so that's baked into this commit.
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This makes it much clearer what this cast actually does: it will
VERIFY that the thing we're casting is a T (using is<T>()).
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SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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This particularly affects the insertion steps and the removed steps.
The insertion steps no longer take into the parent that the node
was inserted to, as per the spec. Due to this, I have renamed the
function from "inserted_into" to simply "inserted". None of the
users of the insertion steps was using it anyway.
The removed steps now take a pointer to the old parent instead of
a reference. This is because it is optional according to the spec
and old parent is null when running the removal steps for the
descendants of a node that just got removed.
This commit does not affect HTMLScriptElement as there is a bit
more to that, which is better suited for a separate commit.
Also adds in the adopted steps as they will be used later.
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This allows CSSLoader to set up the style sheet owner node internally,
and avoids an awkward weak link between CSSLoader and Document.
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