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LibJS+Everywhere: Make PrimitiveString and Utf16String fallible

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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.
This commit is contained in:
Timothy Flynn 2023-01-07 12:24:05 -05:00 • committed by Linus Groh
parent d793262beb
commit 115baa7e32
57 changed files with 306 additions and 295 deletions
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2
Userland/Libraries/LibWeb/Fetch/Body.cpp
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@ -163,7 +163,7 @@ JS::NonnullGCPtr<JS::Promise> consume_body(JS::Realm& realm, BodyMixin const& ob
// 4. Let steps be to return the result of package data with the first argument given, type, and object’s MIME type.
auto steps = [&vm, &realm, &object, type](JS::Value value) -> WebIDL::ExceptionOr<JS::Value> {
VERIFY(value.is_string());
auto bytes = TRY_OR_THROW_OOM(vm, ByteBuffer::copy(value.as_string().deprecated_string().bytes()));
auto bytes = TRY_OR_THROW_OOM(vm, ByteBuffer::copy(TRY(value.as_string().deprecated_string()).bytes()));
return package_data(realm, move(bytes), type, object.mime_type_impl());
};