8166367: Missing ExceptionTable attribute in anonymous class constructors
Reviewed-by: vromero
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java Tue Oct 25 08:39:12 2016 -0700
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java Wed Oct 26 11:22:50 2016 +0530
@@ -853,9 +853,9 @@
List<Type> caughtPrev = caught;
ListBuffer<FlowPendingExit> pendingExitsPrev = pendingExits;
Lint lintPrev = lint;
-
+ boolean anonymousClass = tree.name == names.empty;
pendingExits = new ListBuffer<>();
- if (tree.name != names.empty) {
+ if (!anonymousClass) {
caught = List.nil();
}
classDef = tree;
@@ -874,7 +874,7 @@
// add intersection of all thrown clauses of initial constructors
// to set of caught exceptions, unless class is anonymous.
- if (tree.name != names.empty) {
+ if (!anonymousClass) {
boolean firstConstructor = true;
for (List<JCTree> l = tree.defs; l.nonEmpty(); l = l.tail) {
if (TreeInfo.isInitialConstructor(l.head)) {
@@ -905,10 +905,11 @@
// Changing the throws clause on the fly is okay here because
// the anonymous constructor can't be invoked anywhere else,
// and its type hasn't been cached.
- if (tree.name == names.empty) {
+ if (anonymousClass) {
for (List<JCTree> l = tree.defs; l.nonEmpty(); l = l.tail) {
- if (TreeInfo.isInitialConstructor(l.head)) {
+ if (TreeInfo.isConstructor(l.head)) {
JCMethodDecl mdef = (JCMethodDecl)l.head;
+ scan(mdef);
mdef.thrown = make.Types(thrown);
mdef.sym.type = types.createMethodTypeWithThrown(mdef.sym.type, thrown);
}
@@ -918,6 +919,8 @@
// process all the methods
for (List<JCTree> l = tree.defs; l.nonEmpty(); l = l.tail) {
+ if (anonymousClass && TreeInfo.isConstructor(l.head))
+ continue; // there can never be an uncaught exception.
if (l.head.hasTag(METHODDEF)) {
scan(l.head);
errorUncaught();
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/AnonymousClass/AnonymousCtorExceptionTest.java Wed Oct 26 11:22:50 2016 +0530
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016, 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 8166367
+ * @summary Missing ExceptionTable attribute in anonymous class constructors
+ * @library /tools/lib
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ * jdk.compiler/com.sun.tools.javac.main
+ * jdk.jdeps/com.sun.tools.javap
+ * @build toolbox.ToolBox toolbox.JavapTask
+ * @run compile -g AnonymousCtorExceptionTest.java
+ * @run main AnonymousCtorExceptionTest
+ */
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import toolbox.JavapTask;
+import toolbox.Task;
+import toolbox.ToolBox;
+
+public class AnonymousCtorExceptionTest {
+
+ AnonymousCtorExceptionTest() throws IOException {
+ }
+
+ public static void main(String args[]) throws Exception {
+
+ new AnonymousCtorExceptionTest() {
+ };
+
+ ToolBox tb = new ToolBox();
+ Path classPath = Paths.get(ToolBox.testClasses, "AnonymousCtorExceptionTest$1.class");
+ String javapOut = new JavapTask(tb)
+ .options("-v", "-p")
+ .classes(classPath.toString())
+ .run()
+ .getOutput(Task.OutputKind.DIRECT);
+ if (!javapOut.contains("AnonymousCtorExceptionTest$1() throws java.io.IOException;"))
+ throw new AssertionError("Unexpected output " + javapOut);
+ if (!javapOut.contains("Exceptions:"))
+ throw new AssertionError("Unexpected output " + javapOut);
+ }
+}
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