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Fixed CopyTo methods with Span destinations

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This commit is contained in:
Brian Fiete 2024-08-25 13:42:56 -04:00
parent 74a71ef17c
commit 9f7793a870
1 changed files with 28 additions and 3 deletions
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31
BeefLibs/corlib/src/Array.bf
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@ -364,16 +364,41 @@ namespace System
Internal.MemMove(destination.Ptr, &GetRef(0), strideof(T) * mLength, alignof(T));
}
/// Copies the array starting from srcOffset to destination, which must be at least large enough to hold all the remaining array items
public void CopyTo(Span<T> destination, int srcOffset)
{
Debug.Assert((uint)srcOffset + (uint)destination.[Friend]mLength <= (uint)mLength);
Internal.MemMove(destination.Ptr, &GetRef(srcOffset), strideof(T) * (destination.[Friend]mLength - srcOffset), alignof(T));
int length = mLength - srcOffset;
Debug.Assert((uint)srcOffset <= (uint)mLength);
Debug.Assert((uint)length <= (uint)destination.Length);
Internal.MemCpy(destination.Ptr, &GetRef(srcOffset), strideof(T) * length, alignof(T));
}
public void CopyTo(Span<T> destination, int srcOffset, int length)
{
Debug.Assert(length >= 0);
Debug.Assert((uint)srcOffset + (uint)length <= (uint)mLength);
Debug.Assert((uint)length <= (uint)destination.Length);
Internal.MemCpy(destination.Ptr, &GetRef(srcOffset), strideof(T) * length, alignof(T));
}
/// Copies the array starting from srcOffset to destination, which must be at least large enough to hold all the remaining array items
public void CopyTo<T2>(Span<T2> destination, int srcOffset) where T2 : operator explicit T
{
//TODO: Handle src/dest overlap (MemMove)
Debug.Assert((uint)srcOffset + (uint)destination.[Friend]mLength <= (uint)mLength);
int length = mLength - srcOffset;
Debug.Assert((uint)srcOffset <= (uint)mLength);
Debug.Assert((uint)length <= (uint)destination.Length);
var ptr = destination.[Friend]mPtr;
for (int i = 0; i < destination.[Friend]mLength; i++)
ptr[i] = (T2)GetRef(i + srcOffset);
}
public void CopyTo<T2>(Span<T2> destination, int srcOffset, int length) where T2 : operator explicit T
{
//TODO: Handle src/dest overlap (MemMove)
Debug.Assert(length >= 0);
Debug.Assert((uint)srcOffset + (uint)length <= (uint)mLength);
Debug.Assert((uint)length <= (uint)destination.Length);
var ptr = destination.[Friend]mPtr;
for (int i = 0; i < destination.[Friend]mLength; i++)
ptr[i] = (T2)GetRef(i + srcOffset);