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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/LibJS/Contrib/Test262/IsHTMLDDA.cpp
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@ -20,7 +20,7 @@ ThrowCompletionOr<Value> IsHTMLDDA::call()
auto& vm = this->vm();
if (vm.argument_count() == 0)
return js_null();
if (vm.argument(0).is_string() && vm.argument(0).as_string().deprecated_string().is_empty())
if (vm.argument(0).is_string() && TRY(vm.argument(0).as_string().deprecated_string()).is_empty())
return js_null();
// Not sure if this really matters, INTERPRETING.md simply says:
// * IsHTMLDDA - (present only in implementations that can provide it) an object that: