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8247444: Trust final fields in records

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Co-authored-by: Christoph Dreis <christoph.dreis@freenet.de>
Reviewed-by: jrose, dholmes, forax, coleenp, vlivanov
This commit is contained in:
Mandy Chung 2020-06-19 08:27:59 -07:00
parent 983e012c9f
commit f2b191a6e9
26 changed files with 227 additions and 49 deletions
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15
src/java.base/share/classes/java/lang/reflect/Field.java
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@ -72,6 +72,7 @@ class Field extends AccessibleObject implements Member {
private String name;
private Class<?> type;
private int modifiers;
private boolean trustedFinal;
// Generics and annotations support
private transient String signature;
// generic info repository; lazily initialized
@ -119,6 +120,7 @@ class Field extends AccessibleObject implements Member {
String name,
Class<?> type,
int modifiers,
boolean trustedFinal,
int slot,
String signature,
byte[] annotations)
@ -127,6 +129,7 @@ class Field extends AccessibleObject implements Member {
this.name = name;
this.type = type;
this.modifiers = modifiers;
this.trustedFinal = trustedFinal;
this.slot = slot;
this.signature = signature;
this.annotations = annotations;
@ -148,7 +151,7 @@ class Field extends AccessibleObject implements Member {
if (this.root != null)
throw new IllegalArgumentException("Can not copy a non-root Field");
Field res = new Field(clazz, name, type, modifiers, slot, signature, annotations);
Field res = new Field(clazz, name, type, modifiers, trustedFinal, slot, signature, annotations);
res.root = this;
// Might as well eagerly propagate this if already present
res.fieldAccessor = fieldAccessor;
@ -728,7 +731,9 @@ class Field extends AccessibleObject implements Member {
* this {@code Field} object;</li>
* <li>the field is non-static; and</li>
* <li>the field's declaring class is not a {@linkplain Class#isHidden()
* hidden class}.</li>
* hidden class}; and</li>
* <li>the field's declaring class is not a {@linkplain Class#isRecord()
* record class}.</li>
* </ul>
* If any of the above checks is not met, this method throws an
* {@code IllegalAccessException}.
@ -1145,10 +1150,14 @@ class Field extends AccessibleObject implements Member {
}
@Override
Field getRoot() {
/* package-private */ Field getRoot() {
return root;
}
/* package-private */ boolean isTrustedFinal() {
return trustedFinal;
}
/**
* {@inheritDoc}
*