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8209005: Lookup.unreflectSpecial fails for default methods when Lookup.findSpecial works

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8209078: Unable to call default method from interface in another module from named module

Reviewed-by: dfuchs, plevart
This commit is contained in:
Mandy Chung 2019-08-13 15:49:11 -07:00
parent 2207d884d5
commit 182c19e8c4
4 changed files with 213 additions and 5 deletions
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10
src/java.base/share/classes/java/lang/invoke/MethodHandles.java
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@ -334,7 +334,7 @@ public class MethodHandles {
* </tr>
* <tr>
* <th scope="row">{@link java.lang.invoke.MethodHandles.Lookup#findStaticGetter lookup.findStaticGetter(C.class,"f",FT.class)}</th>
* <td>{@code static}<br>{@code FT f;}</td><td>{@code (T) C.f;}</td>
* <td>{@code static}<br>{@code FT f;}</td><td>{@code (FT) C.f;}</td>
* </tr>
* <tr>
* <th scope="row">{@link java.lang.invoke.MethodHandles.Lookup#findSetter lookup.findSetter(C.class,"f",FT.class)}</th>
@ -377,8 +377,8 @@ public class MethodHandles {
* <td>{@code C(A*);}</td><td>{@code (C) aConstructor.newInstance(arg*);}</td>
* </tr>
* <tr>
* <th scope="row">{@link java.lang.invoke.MethodHandles.Lookup#unreflect lookup.unreflect(aMethod)}</th>
* <td>({@code static})?<br>{@code T m(A*);}</td><td>{@code (T) aMethod.invoke(thisOrNull, arg*);}</td>
* <th scope="row">{@link java.lang.invoke.MethodHandles.Lookup#unreflectSpecial lookup.unreflectSpecial(aMethod,this.class)}</th>
* <td>{@code T m(A*);}</td><td>{@code (T) super.m(arg*);}</td>
* </tr>
* <tr>
* <th scope="row">{@link java.lang.invoke.MethodHandles.Lookup#findClass lookup.findClass("C")}</th>
@ -403,7 +403,7 @@ public class MethodHandles {
* stands for a null reference if the accessed method or field is static,
* and {@code this} otherwise.
* The names {@code aMethod}, {@code aField}, and {@code aConstructor} stand
* for reflective objects corresponding to the given members.
* for reflective objects corresponding to the given members declared in type {@code C}.
* <p>
* The bytecode behavior for a {@code findClass} operation is a load of a constant class,
* as if by {@code ldc CONSTANT_Class}.
@ -2504,7 +2504,7 @@ return mh1;
* @throws NullPointerException if any argument is null
*/
public MethodHandle unreflectSpecial(Method m, Class<?> specialCaller) throws IllegalAccessException {
checkSpecialCaller(specialCaller, null);
checkSpecialCaller(specialCaller, m.getDeclaringClass());
Lookup specialLookup = this.in(specialCaller);
MemberName method = new MemberName(m, true);
assert(method.isMethod());