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LibJS+LibWeb: Implement resizable ArrayBuffer support for TypedArray

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This is (part of) a normative change in the ECMA-262 spec. See:
a9ae96e
This commit is contained in:
Timothy Flynn 2023-12-24 14:55:10 -05:00 • committed by Andreas Kling
parent c7fec9424c
commit 9258d7b98a
47 changed files with 2059 additions and 884 deletions
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7
Userland/Libraries/LibWeb/WebAssembly/WebAssembly.cpp
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@ -309,7 +309,12 @@ JS::ThrowCompletionOr<size_t> parse_module(JS::VM& vm, JS::Object* buffer_object
data = buffer.buffer();
} else if (is<JS::TypedArrayBase>(buffer_object)) {
auto& buffer = static_cast<JS::TypedArrayBase&>(*buffer_object);
data = buffer.viewed_array_buffer()->buffer().span().slice(buffer.byte_offset(), buffer.byte_length());
auto typed_array_record = JS::make_typed_array_with_buffer_witness_record(buffer, JS::ArrayBuffer::Order::SeqCst);
if (JS::is_typed_array_out_of_bounds(typed_array_record))
return vm.throw_completion<JS::TypeError>(JS::ErrorType::BufferOutOfBounds, "TypedArray"sv);
data = buffer.viewed_array_buffer()->buffer().span().slice(buffer.byte_offset(), JS::typed_array_byte_length(typed_array_record));
} else if (is<JS::DataView>(buffer_object)) {
auto& buffer = static_cast<JS::DataView&>(*buffer_object);