private static int ValidateArrayAndIndex(TypedArray array, EcmaValue index)
{
switch (array.ArrayKind)
{
case TypedArrayKind.Int8Array:
case TypedArrayKind.Int16Array:
case TypedArrayKind.Int32Array:
case TypedArrayKind.Uint8Array:
case TypedArrayKind.Uint16Array:
case TypedArrayKind.Uint32Array:
break;
default:
throw new EcmaTypeErrorException(InternalString.Error.TypedArrayNotAtomic);
}
if (!array.Buffer.IsShared)
{
throw new EcmaTypeErrorException(InternalString.Error.TypedArrayNotAtomic);
}
long i = index.ToIndex();
if (i < 0 || i >= array.Length)
{
throw new EcmaRangeErrorException(InternalString.Error.BufferOffsetOutOfBound, i);
}
return((int)i);
}
private static int ValidateWaitableArrayAndIndex(TypedArray array, EcmaValue index)
{
if (array.ArrayKind != TypedArrayKind.Int32Array && array.ArrayKind != TypedArrayKind.BigInt64Array)
{
throw new EcmaTypeErrorException(InternalString.Error.TypedArrayNotWaitable);
}
if (!array.Buffer.IsShared)
{
throw new EcmaTypeErrorException(InternalString.Error.TypedArrayNotWaitable);
}
long i = index.ToIndex();
if (i < 0 || i >= array.Length)
{
throw new EcmaRangeErrorException(InternalString.Error.BufferOffsetOutOfBound, i);
}
return((int)i);
}