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unsafeptr: specialised exceptions

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minjaesong
2023-01-03 03:23:54 +09:00
parent 8bbf511b0a
commit 53dee515fe
1 changed files with 5 additions and 3 deletions
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8
src/net/torvald/unsafe/UnsafePtr.kt
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@@ -7,13 +7,15 @@ import java.io.IOException
import java.io.InputStream import java.io.InputStream
import java.io.OutputStream import java.io.OutputStream
class DanglingPointerException(msg: String) : NullPointerException(msg)
class AddressOverflowException(msg: String) : IndexOutOfBoundsException(msg)
/** /**
* Further read: * Further read:
* - http://www.docjar.com/docs/api/sun/misc/Unsafe.html * - http://www.docjar.com/docs/api/sun/misc/Unsafe.html
* *
* Created by minjaesong on 2019-06-21. * Created by minjaesong on 2019-06-21.
*/ */
internal object UnsafeHelper { internal object UnsafeHelper {
var unsafeAllocatedSize = 0L var unsafeAllocatedSize = 0L
internal set internal set
@@ -110,8 +112,8 @@ internal class UnsafePtr(pointer: Long, allocSize: Long) {
// You may break the glass and use this tool when some fucking incomprehensible bugs ("vittujen vitun bugit") // You may break the glass and use this tool when some fucking incomprehensible bugs ("vittujen vitun bugit")
// appear (e.g. getting garbage values when it fucking shouldn't) // appear (e.g. getting garbage values when it fucking shouldn't)
assert(!destroyed) { throw NullPointerException("The pointer is already destroyed ($this)") } assert(!destroyed) { throw DanglingPointerException("The pointer is already destroyed ($this)") }
assert(index in 0 until size) { throw IndexOutOfBoundsException("Index: $index; alloc size: $size") } assert(index in 0 until size) { throw AddressOverflowException("Index: $index; alloc size: $size") }
} }
operator fun get(index: Long): Byte { operator fun get(index: Long): Byte {