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LibJS+LibWeb: Allow instantiating DataBlock with an external buffer

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This requires the minimal API exposed by ByteBuffer, allowing external
users to implement them as needed instead of being forced to use a
ByteBuffer.
This commit is contained in:
Ali Mohammad Pur
2026-04-04 19:25:48 +02:00
committed by Ali Mohammad Pur
parent 0a7bef349d
commit 0bb987e809
Notes: github-actions[bot] 2026-05-10 14:43:40 +00:00 
Author: https://github.com/alimpfard
Commit: https://github.com/LadybirdBrowser/ladybird/commit/0bb987e809f
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/8866
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/Hendiadyoin1
Reviewed-by: https://github.com/R-Goc
Reviewed-by: https://github.com/gmta
Reviewed-by: https://github.com/trflynn89
22 changed files with 163 additions and 68 deletions
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4
Libraries/LibJS/Bytecode/Interpreter.cpp
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@@ -893,7 +893,7 @@ inline Value fast_typed_array_get_element(TypedArrayBase& typed_array, u32 index
}
auto const& array_buffer = *typed_array.viewed_array_buffer();
auto const* slot = reinterpret_cast<T const*>(array_buffer.buffer().offset_pointer(offset_into_array_buffer.value()));
auto const* slot = reinterpret_cast<T const*>(array_buffer.span().offset_pointer(offset_into_array_buffer.value()));
return Value { *slot };
}
@@ -911,7 +911,7 @@ inline void fast_typed_array_set_element(TypedArrayBase& typed_array, u32 index,
}
auto& array_buffer = *typed_array.viewed_array_buffer();
auto* slot = reinterpret_cast<T*>(array_buffer.buffer().offset_pointer(offset_into_array_buffer.value()));
auto* slot = reinterpret_cast<T*>(array_buffer.span().offset_pointer(offset_into_array_buffer.value()));
*slot = value;
}