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8346609: Improve MemorySegment.toString

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Reviewed-by: mcimadamore
This commit is contained in:
Per Minborg 2025-01-07 15:18:02 +00:00
parent 4d8fb80732
commit c8a9dd3a02
3 changed files with 18 additions and 6 deletions
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17
src/java.base/share/classes/jdk/internal/foreign/AbstractMemorySegmentImpl.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -486,9 +486,18 @@ public abstract sealed class AbstractMemorySegmentImpl
@Override
public String toString() {
return "MemorySegment{ " +
heapBase().map(hb -> "heapBase: " + hb + ", ").orElse("") +
"address: " + Utils.toHexString(address()) +
final String kind;
if (this instanceof HeapMemorySegmentImpl) {
kind = "heap";
} else if (this instanceof MappedMemorySegmentImpl) {
kind = "mapped";
} else {
kind = "native";
}
return "MemorySegment{ kind: " +
kind +
heapBase().map(hb -> ", heapBase: " + hb).orElse("") +
", address: " + Utils.toHexString(address()) +
", byteSize: " + length +
" }";
}