Implement copy for DataViewMemory #106
@ -11,18 +11,16 @@ class DataViewMemory(val view: DataView) : Memory {
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override fun view(offset: Int, length: Int): Memory {
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override fun view(offset: Int, length: Int): Memory {
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require(offset >= 0) { "offset shouldn't be negative: $offset" }
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require(offset >= 0) { "offset shouldn't be negative: $offset" }
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require(length >= 0) { "length shouldn't be negative: $length" }
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require(length >= 0) { "length shouldn't be negative: $length" }
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if (offset + length > size) {
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if (offset + length > size)
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throw IndexOutOfBoundsException("offset + length > size: $offset + $length > $size")
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throw IndexOutOfBoundsException("offset + length > size: $offset + $length > $size")
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}
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return DataViewMemory(DataView(view.buffer, view.byteOffset + offset, length))
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return DataViewMemory(DataView(view.buffer, view.byteOffset + offset, length))
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}
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}
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override fun copy(): Memory = DataViewMemory(DataView(view.buffer.slice(0)))
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override fun copy(): Memory {
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private val reader: MemoryReader = object : MemoryReader {
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TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
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}
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private val reader = object : MemoryReader {
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override val memory: Memory get() = this@DataViewMemory
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override val memory: Memory get() = this@DataViewMemory
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override fun readDouble(offset: Int): Double = view.getFloat64(offset, false)
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override fun readDouble(offset: Int): Double = view.getFloat64(offset, false)
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@ -45,7 +43,7 @@ class DataViewMemory(val view: DataView) : Memory {
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override fun reader(): MemoryReader = reader
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override fun reader(): MemoryReader = reader
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private val writer = object : MemoryWriter {
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private val writer: MemoryWriter = object : MemoryWriter {
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override val memory: Memory get() = this@DataViewMemory
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override val memory: Memory get() = this@DataViewMemory
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override fun writeDouble(offset: Int, value: Double) {
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override fun writeDouble(offset: Int, value: Double) {
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@ -76,7 +74,6 @@ class DataViewMemory(val view: DataView) : Memory {
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override fun release() {
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override fun release() {
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//does nothing on JS
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//does nothing on JS
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}
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}
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}
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}
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override fun writer(): MemoryWriter = writer
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override fun writer(): MemoryWriter = writer
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@ -94,4 +91,4 @@ actual fun Memory.Companion.allocate(length: Int): Memory {
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actual fun Memory.Companion.wrap(array: ByteArray): Memory {
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actual fun Memory.Companion.wrap(array: ByteArray): Memory {
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@Suppress("CAST_NEVER_SUCCEEDS") val int8Array = array as Int8Array
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@Suppress("CAST_NEVER_SUCCEEDS") val int8Array = array as Int8Array
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return DataViewMemory(DataView(int8Array.buffer, int8Array.byteOffset, int8Array.length))
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return DataViewMemory(DataView(int8Array.buffer, int8Array.byteOffset, int8Array.length))
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}
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}
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