# HG changeset patch # User rfield # Date 1382549290 25200 # Node ID 32ea6ccb7607740bc77e88aeb4b6c0959cc793aa # Parent b05db8c815e8034c9395ba4709120939229b1cde 8022720: Method refeerences - private method should be accessible (nested classes) Reviewed-by: jjg, ksrini diff -r b05db8c815e8 -r 32ea6ccb7607 src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java --- a/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java Wed Oct 23 07:50:04 2013 +0200 +++ b/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java Wed Oct 23 10:28:10 2013 -0700 @@ -2087,13 +2087,6 @@ return tree.sym.owner == syms.arrayClass; } - boolean isPrivateConstructor() { - //hack needed to workaround 292 bug (8005122) - //when 292 issue is fixed we should simply remove this - return tree.sym.name == names.init && - (tree.sym.flags() & PRIVATE) != 0; - } - boolean receiverAccessible() { //hack needed to workaround 292 bug (7087658) //when 292 issue is fixed we should remove this and change the backend @@ -2102,12 +2095,24 @@ } /** + * The VM does not support access across nested classes (8010319). + * Were that ever to change, this should be removed. + */ + boolean isPrivateInOtherClass() { + return (tree.sym.flags() & PRIVATE) != 0 && + !types.isSameType( + types.erasure(tree.sym.enclClass().asType()), + types.erasure(owner.enclClass().asType())); + } + + /** * Does this reference needs a bridge (i.e. var args need to be * expanded or "super" is used) */ final boolean needsBridge() { return isSuper || needsVarArgsConversion() || isArrayOp() || - isPrivateConstructor() || !receiverAccessible(); + isPrivateInOtherClass() || + !receiverAccessible(); } Type generatedRefSig() { diff -r b05db8c815e8 -r 32ea6ccb7607 test/tools/javac/lambda/privateMethodReferences/MethodInvoker.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/lambda/privateMethodReferences/MethodInvoker.java Wed Oct 23 10:28:10 2013 -0700 @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2013, 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 + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8022720 + * @summary private method should be accessible (nested classes) + * @run main MethodInvoker + */ + +interface MyFunctionalInterface1 { + int invokeMethodReference(); +} + +public class MethodInvoker { + public static void main(String[] args) throws Exception { + MethodInvoker.invoke(); + System.out.println("Passed!"); + } + public static void invoke() throws Exception { + MethodSupplier ms = new MethodSupplier(); + MyFunctionalInterface1 fi = ms::m; + if (fi.invokeMethodReference() != 123) { + throw new Exception(); + } + } + static class MethodSupplier { + private int m() { + return 123; + } + } +} diff -r b05db8c815e8 -r 32ea6ccb7607 test/tools/javac/lambda/privateMethodReferences/MethodSupplier.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/lambda/privateMethodReferences/MethodSupplier.java Wed Oct 23 10:28:10 2013 -0700 @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2013, 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 + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8022720 + * @summary private method should be accessible (nested classes) + * @run main MethodSupplier + */ + +interface MyFunctionalInterface2 { + int invokeMethodReference(); +} + +public class MethodSupplier { + public static void main(String[] args) throws Exception { + MethodInvoker.invoke(); + System.out.println("Passed!"); + } + private int m() { + return 4321; + } + static class MethodInvoker { + public static void invoke() throws Exception { + MethodSupplier ms = new MethodSupplier(); + MyFunctionalInterface2 fi = ms::m; + if (fi.invokeMethodReference() != 4321) { + throw new Exception(); + } + } + } +} diff -r b05db8c815e8 -r 32ea6ccb7607 test/tools/javac/lambda/privateMethodReferences/ThirdClass.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/lambda/privateMethodReferences/ThirdClass.java Wed Oct 23 10:28:10 2013 -0700 @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2013, 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 + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 8022720 + * @summary private method should be accessible (nested classes) + * @run main ThirdClass + */ + +interface MyFunctionalInterface3 { + int invokeMethodReference(); +} + +public class ThirdClass { + public static void main(String[] args) throws Exception { + MethodInvoker.invoke(); + System.out.println("Passed!"); + } + static class MethodSupplier { + private int m() { + return 999; + } + } + + static class MethodInvoker { + public static void invoke() throws Exception { + MethodSupplier ms = new MethodSupplier(); + MyFunctionalInterface3 fi = ms::m; + if (fi.invokeMethodReference() != 999) { + throw new Exception(); + } + } + } +}