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8302260: VarHandle.describeConstable() fails to return a nominal descriptor for static public fields

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Reviewed-by: alanb, psandoz
This commit is contained in:
Mandy Chung 2023-02-14 21:15:14 +00:00
parent ca73f7e80f
commit 9c202a5a8f
7 changed files with 254 additions and 39 deletions
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36
src/java.base/share/classes/java/lang/invoke/X-VarHandle.java.template
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 2023, 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
@ -382,21 +382,21 @@ final class VarHandle$Type$s {
static sealed class FieldStaticReadOnly extends VarHandle {
final Class<?> receiverType;
final Class<?> declaringClass;
final Object base;
final long fieldOffset;
#if[Object]
final Class<?> fieldType;
#end[Object]
FieldStaticReadOnly(Class<?> receiverType, Object base, long fieldOffset{#if[Object]?, Class<?> fieldType}) {
this(receiverType, base, fieldOffset{#if[Object]?, fieldType}, FieldStaticReadOnly.FORM, false);
FieldStaticReadOnly(Class<?> declaringClass, Object base, long fieldOffset{#if[Object]?, Class<?> fieldType}) {
this(declaringClass, base, fieldOffset{#if[Object]?, fieldType}, FieldStaticReadOnly.FORM, false);
}
protected FieldStaticReadOnly(Class<?> receiverType, Object base, long fieldOffset{#if[Object]?, Class<?> fieldType},
protected FieldStaticReadOnly(Class<?> declaringClass, Object base, long fieldOffset{#if[Object]?, Class<?> fieldType},
VarForm form, boolean exact) {
super(form, exact);
this.receiverType = receiverType;
this.declaringClass = declaringClass;
this.base = base;
this.fieldOffset = fieldOffset;
#if[Object]
@ -408,14 +408,14 @@ final class VarHandle$Type$s {
public FieldStaticReadOnly withInvokeExactBehavior() {
return hasInvokeExactBehavior()
? this
: new FieldStaticReadOnly(receiverType, base, fieldOffset{#if[Object]?, fieldType}, vform, true);
: new FieldStaticReadOnly(declaringClass, base, fieldOffset{#if[Object]?, fieldType}, vform, true);
}
@Override
public FieldStaticReadOnly withInvokeBehavior() {
return !hasInvokeExactBehavior()
? this
: new FieldStaticReadOnly(receiverType, base, fieldOffset{#if[Object]?, fieldType}, vform, false);
: new FieldStaticReadOnly(declaringClass, base, fieldOffset{#if[Object]?, fieldType}, vform, false);
}
@Override
@ -426,11 +426,11 @@ final class VarHandle$Type$s {
// Reflect on this VarHandle to extract the field name
var staticField = VarHandles.getStaticFieldFromBaseAndOffset(
receiverType, fieldOffset, {#if[Object]?fieldType:$type$.class});
var receiverTypeRef = staticField.getDeclaringClass().describeConstable();
if (!receiverTypeRef.isPresent())
declaringClass, fieldOffset, {#if[Object]?fieldType:$type$.class});
var declaringTypeRef = declaringClass.describeConstable();
if (!declaringTypeRef.isPresent())
return Optional.empty();
return Optional.of(VarHandleDesc.ofStaticField(receiverTypeRef.get(), staticField.getName(), fieldTypeRef.get()));
return Optional.of(VarHandleDesc.ofStaticField(declaringTypeRef.get(), staticField.getName(), fieldTypeRef.get()));
}
@Override
@ -471,27 +471,27 @@ final class VarHandle$Type$s {
static final class FieldStaticReadWrite extends FieldStaticReadOnly {
FieldStaticReadWrite(Class<?> receiverType, Object base, long fieldOffset{#if[Object]?, Class<?> fieldType}) {
this(receiverType, base, fieldOffset{#if[Object]?, fieldType}, false);
FieldStaticReadWrite(Class<?> declaringClass, Object base, long fieldOffset{#if[Object]?, Class<?> fieldType}) {
this(declaringClass, base, fieldOffset{#if[Object]?, fieldType}, false);
}
private FieldStaticReadWrite(Class<?> receiverType, Object base, long fieldOffset{#if[Object]?, Class<?> fieldType},
private FieldStaticReadWrite(Class<?> declaringClass, Object base, long fieldOffset{#if[Object]?, Class<?> fieldType},
boolean exact) {
super(receiverType, base, fieldOffset{#if[Object]?, fieldType}, FieldStaticReadWrite.FORM, exact);
super(declaringClass, base, fieldOffset{#if[Object]?, fieldType}, FieldStaticReadWrite.FORM, exact);
}
@Override
public FieldStaticReadWrite withInvokeExactBehavior() {
return hasInvokeExactBehavior()
? this
: new FieldStaticReadWrite(receiverType, base, fieldOffset{#if[Object]?, fieldType}, true);
: new FieldStaticReadWrite(declaringClass, base, fieldOffset{#if[Object]?, fieldType}, true);
}
@Override
public FieldStaticReadWrite withInvokeBehavior() {
return !hasInvokeExactBehavior()
? this
: new FieldStaticReadWrite(receiverType, base, fieldOffset{#if[Object]?, fieldType}, false);
: new FieldStaticReadWrite(declaringClass, base, fieldOffset{#if[Object]?, fieldType}, false);
}
@ForceInline