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LibJS: Convert ArrayBuffer construction to ThrowCompletionOr

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This also allows us to create TypedArrays with an existing buffer thus
clearing up an additional FIXME in TextEncoder.
This commit is contained in:
davidot
2022-02-07 13:34:32 +01:00
committed by Linus Groh
parent 4136cbdb09
commit de90d54be0
Notes: sideshowbarker 2024-07-17 19:38:21 +09:00 
Author: https://github.com/davidot
Commit: https://github.com/SerenityOS/serenity/commit/de90d54be08
Pull-request: https://github.com/SerenityOS/serenity/pull/12343
Reviewed-by: https://github.com/linusg
7 changed files with 30 additions and 26 deletions
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9
Userland/Libraries/LibJS/Runtime/ArrayBuffer.cpp
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@@ -10,13 +10,12 @@
namespace JS {
ArrayBuffer* ArrayBuffer::create(GlobalObject& global_object, size_t byte_length)
ThrowCompletionOr<ArrayBuffer*> ArrayBuffer::create(GlobalObject& global_object, size_t byte_length)
{
auto buffer = ByteBuffer::create_zeroed(byte_length);
if (buffer.is_error()) {
global_object.vm().throw_exception<RangeError>(global_object, ErrorType::NotEnoughMemoryToAllocate, byte_length);
return nullptr;
}
if (buffer.is_error())
return global_object.vm().throw_completion<RangeError>(global_object, ErrorType::NotEnoughMemoryToAllocate, byte_length);
return global_object.heap().allocate<ArrayBuffer>(global_object, buffer.release_value(), *global_object.array_buffer_prototype());
}