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LibJS: Make CreateDataByteBlock AO publicly available

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At the same time, make CopyDataBlockBytes const-correct.
This commit is contained in:
Andrew Kaster 2023-09-11 18:03:42 -06:00 • committed by Andreas Kling
parent 267074cd81
commit 56d0a0ac0f
Notes: sideshowbarker 2024-07-16 23:13:25 +09:00
2 changed files with 4 additions and 3 deletions
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4
Userland/Libraries/LibJS/Runtime/ArrayBuffer.cpp
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@ -51,7 +51,7 @@ void ArrayBuffer::visit_edges(Cell::Visitor& visitor)
}
// 6.2.9.1 CreateByteDataBlock ( size ), https://tc39.es/ecma262/#sec-createbytedatablock
static ThrowCompletionOr<ByteBuffer> create_byte_data_block(VM& vm, size_t size)
ThrowCompletionOr<ByteBuffer> create_byte_data_block(VM& vm, size_t size)
{
// 1. If size > 2^53 - 1, throw a RangeError exception.
if (size > MAX_ARRAY_LIKE_INDEX)
@ -68,7 +68,7 @@ static ThrowCompletionOr<ByteBuffer> create_byte_data_block(VM& vm, size_t size)
}
// 6.2.9.3 CopyDataBlockBytes ( toBlock, toIndex, fromBlock, fromIndex, count ), https://tc39.es/ecma262/#sec-copydatablockbytes
void copy_data_block_bytes(ByteBuffer& to_block, u64 to_index, ByteBuffer& from_block, u64 from_index, u64 count)
void copy_data_block_bytes(ByteBuffer& to_block, u64 to_index, ByteBuffer const& from_block, u64 from_index, u64 count)
{
// 1. Assert: fromBlock and toBlock are distinct values.
VERIFY(&to_block != &from_block);

3
Userland/Libraries/LibJS/Runtime/ArrayBuffer.h
View file

@ -99,7 +99,8 @@ private:
Value m_detach_key;
};
void copy_data_block_bytes(ByteBuffer& to_block, u64 to_index, ByteBuffer& from_block, u64 from_index, u64 count);
ThrowCompletionOr<ByteBuffer> create_byte_data_block(VM& vm, size_t size);
void copy_data_block_bytes(ByteBuffer& to_block, u64 to_index, ByteBuffer const& from_block, u64 from_index, u64 count);
ThrowCompletionOr<ArrayBuffer*> allocate_array_buffer(VM&, FunctionObject& constructor, size_t byte_length);
ThrowCompletionOr<void> detach_array_buffer(VM&, ArrayBuffer& array_buffer, Optional<Value> key = {});
ThrowCompletionOr<ArrayBuffer*> clone_array_buffer(VM&, ArrayBuffer& source_buffer, size_t source_byte_offset, size_t source_length);