# HG changeset patch # User vromero # Date 1378158246 -3600 # Node ID 2bf4c132bf9068a67ad19aa04c04ff92ad9941b8 # Parent 4a6acc42c3a1ec8beabc732aaf1e3bdc7df06792 8022162: Incorrect signature determination for certain inner class generics Reviewed-by: jjg diff -r 4a6acc42c3a1 -r 2bf4c132bf90 src/share/classes/com/sun/tools/javac/jvm/ClassReader.java --- a/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java Mon Sep 02 22:38:36 2013 +0100 +++ b/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java Mon Sep 02 22:44:06 2013 +0100 @@ -727,12 +727,14 @@ ClassSymbol t = enterClass(names.fromUtf(signatureBuffer, startSbp, sbp - startSbp)); - if (outer == Type.noType) - outer = t.erasure(types); - else - outer = new ClassType(outer, List.nil(), t); - sbp = startSbp; - return outer; + + try { + return (outer == Type.noType) ? + t.erasure(types) : + new ClassType(outer, List.nil(), t); + } finally { + sbp = startSbp; + } } case '<': // generic arguments @@ -797,6 +799,13 @@ continue; case '.': + //we have seen an enclosing non-generic class + if (outer != Type.noType) { + t = enterClass(names.fromUtf(signatureBuffer, + startSbp, + sbp - startSbp)); + outer = new ClassType(outer, List.nil(), t); + } signatureBuffer[sbp++] = (byte)'$'; continue; case '/': diff -r 4a6acc42c3a1 -r 2bf4c132bf90 test/tools/javac/T8022162/IncorrectSignatureDeterminationForInnerClassesTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/T8022162/IncorrectSignatureDeterminationForInnerClassesTest.java Mon Sep 02 22:44:06 2013 +0100 @@ -0,0 +1,89 @@ +/* + * 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 8022162 + * @summary Incorrect signature determination for certain inner class generics + * @library /tools/javac/lib + * @build ToolBox + * @run main IncorrectSignatureDeterminationForInnerClassesTest + */ + +import java.nio.file.Files; +import java.nio.file.Paths; + +public class IncorrectSignatureDeterminationForInnerClassesTest { + + private static final String DSrc = + "package p1;\n" + + + "public class D {\n" + + "}\n" + + + "abstract class Q {\n" + + " protected void m(M.E e) {}\n" + + + " public class M extends D {\n" + + " public class E {}\n" + + " }\n" + + "}"; + + private static final String HSrc = + "package p1;\n" + + + "public class H {\n" + + " static class EQ extends Q {\n" + + " private void m2(M.E item) {\n" + + " m(item);\n" + + " }\n" + + " }\n" + + "}"; + + public static void main(String args[]) throws Exception { + new IncorrectSignatureDeterminationForInnerClassesTest().run(); + } + + void run() throws Exception { + compile(); + } + + void compile() throws Exception { + Files.createDirectory(Paths.get("classes")); + + ToolBox.JavaToolArgs javacParams = + new ToolBox.JavaToolArgs() + .appendArgs("-d", "classes") + .setSources(DSrc); + + ToolBox.javac(javacParams); + + // compile class H against the class files for classes D and Q + javacParams = + new ToolBox.JavaToolArgs() + .appendArgs("-d", "classes", "-cp", "classes") + .setSources(HSrc); + ToolBox.javac(javacParams); + } + +}