public static TypedArray SpeciesCreate(TypedArray source, params EcmaValue[] args)
{
RuntimeObject constructor = RuntimeObject.GetSpeciesConstructor(source, TypedArrayInfo.GetDefaultConstructor(source.ArrayKind));
return(constructor.Construct(args).GetUnderlyingObject <TypedArray>());
}
public TypedArray(TypedArrayKind kind)
: base(TypedArrayInfo.GetDefaultPrototype(kind))
{
this.ArrayKind = kind;
this.ElementSize = TypedArrayInfo.GetElementSize(kind);
}
internal virtual void Init(ArrayBuffer buffer, long byteOffset, long byteLength)
{
Guard.ArgumentNotNull(buffer, "buffer");
long bytesPerElement = this.ElementSize;
long count = byteLength / bytesPerElement;
if ((byteOffset % bytesPerElement) != 0)
{
throw new EcmaRangeErrorException(InternalString.Error.TypedArrayInvalidOffset, TypedArrayInfo.GetTypedArrayName(this.ArrayKind), bytesPerElement);
}
if ((byteLength % bytesPerElement) != 0)
{
throw new EcmaRangeErrorException(InternalString.Error.TypedArrayInvalidByteLength, TypedArrayInfo.GetTypedArrayName(this.ArrayKind), bytesPerElement);
}
if (byteOffset < 0 || byteOffset > buffer.ByteLength)
{
throw new EcmaRangeErrorException(InternalString.Error.BufferOffsetOutOfBound, byteOffset);
}
if (byteLength + byteOffset > buffer.ByteLength || count > Int32.MaxValue)
{
throw new EcmaRangeErrorException(InternalString.Error.TypedArrayInvalidLength, count);
}
this.Buffer = buffer;
this.ByteOffset = byteOffset;
this.ByteLength = byteLength;
this.Length = (int)count;
}
