8061549: Disallow _ as a one-character identifier
Summary: Underscore is no longer a one-charater identifier with -source 9
Reviewed-by: mcimadamore, jjg
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Source.java Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Source.java Mon Dec 08 18:02:07 2014 +0100
@@ -209,6 +209,9 @@
public boolean allowPrivateSafeVarargs() {
return compareTo(JDK1_9) >= 0;
}
+ public boolean allowUnderscoreIdentifier() {
+ return compareTo(JDK1_8) <= 0;
+ }
public static SourceVersion toSourceVersion(Source source) {
switch(source) {
case JDK1_2:
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java Mon Dec 08 18:02:07 2014 +0100
@@ -157,6 +157,7 @@
this.allowIntersectionTypesInCast = source.allowIntersectionTypesInCast();
this.allowTypeAnnotations = source.allowTypeAnnotations();
this.allowAnnotationsAfterTypeParams = source.allowAnnotationsAfterTypeParams();
+ this.allowUnderscoreIdentifier = source.allowUnderscoreIdentifier();
this.keepDocComments = keepDocComments;
docComments = newDocCommentTable(keepDocComments, fac);
this.keepLineMap = keepLineMap;
@@ -230,6 +231,10 @@
*/
boolean allowAnnotationsAfterTypeParams;
+ /** Switch: should we allow '_' as an identifier?
+ */
+ boolean allowUnderscoreIdentifier;
+
/** Switch: is "this" allowed as an identifier?
* This is needed to parse receiver types.
*/
@@ -595,7 +600,11 @@
return names.error;
}
} else if (token.kind == UNDERSCORE) {
- warning(token.pos, "underscore.as.identifier");
+ if (allowUnderscoreIdentifier) {
+ warning(token.pos, "underscore.as.identifier");
+ } else {
+ error(token.pos, "underscore.as.identifier");
+ }
Name name = token.name();
nextToken();
return name;
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties Mon Dec 08 18:02:07 2014 +0100
@@ -2276,8 +2276,10 @@
(use -source 9 or higher to enable variables in try-with-resources)
compiler.warn.underscore.as.identifier=\
- ''_'' used as an identifier\n\
- (use of ''_'' as an identifier might not be supported in releases after Java SE 8)
+ as of release 9, ''_'' is a keyword, and may not be used as an identifier
+
+compiler.err.underscore.as.identifier=\
+ as of release 9, ''_'' is a keyword, and may not be used as an identifier
compiler.err.underscore.as.identifier.in.lambda=\
''_'' used as an identifier\n\
--- a/langtools/test/com/sun/javadoc/testAnchorNames/TestAnchorNames.java Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/test/com/sun/javadoc/testAnchorNames/TestAnchorNames.java Mon Dec 08 18:02:07 2014 +0100
@@ -46,6 +46,7 @@
void test() {
javadoc("-d", "out",
"-sourcepath", testSrc,
+ "-source", "8", //so that '_' can be used as an identifier
"-use",
"pkg1");
checkExit(Exit.OK);
--- a/langtools/test/tools/javac/diags/examples/UnderscoreAsIdentifier.java Mon Dec 08 16:30:43 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,28 +0,0 @@
-/*
- * 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.
- */
-
-// key: compiler.warn.underscore.as.identifier
-
-class UnderscoreAsIdentifier {
- String _ = null;
-}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/diags/examples/UnderscoreAsIdentifierError.java Mon Dec 08 18:02:07 2014 +0100
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2013, 2014, 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.
+ */
+
+// key: compiler.err.underscore.as.identifier
+
+class UnderscoreAsIdentifierError {
+ String _ = null;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/diags/examples/UnderscoreAsIdentifierWarning.java Mon Dec 08 18:02:07 2014 +0100
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2013, 2014, 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.
+ */
+
+// key: compiler.warn.underscore.as.identifier
+// options: -source 8 -Xlint:-options
+
+class UnderscoreAsIdentifierWarning {
+ String _ = null;
+}
--- a/langtools/test/tools/javac/lambda/IdentifierTest.java Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/test/tools/javac/lambda/IdentifierTest.java Mon Dec 08 18:02:07 2014 +0100
@@ -1,9 +1,10 @@
/*
* @test /nodynamiccopyright/
- * @bug 8007401 8007427
+ * @bug 8007401 8007427 8061549
* @author sogoel
* @summary Test generation of warnings when '_' is used an identifier
- * @compile/fail/ref=IdentifierTest.out -Werror -XDrawDiagnostics IdentifierTest.java
+ * @compile/fail/ref=IdentifierTest8.out -source 8 -Xlint:-options -Werror -XDrawDiagnostics IdentifierTest.java
+ * @compile/fail/ref=IdentifierTest9.out -XDrawDiagnostics IdentifierTest.java
*/
import java.util.List;
--- a/langtools/test/tools/javac/lambda/IdentifierTest.out Mon Dec 08 16:30:43 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,47 +0,0 @@
-IdentifierTest.java:40:11: compiler.warn.underscore.as.identifier
-IdentifierTest.java:43:16: compiler.warn.underscore.as.identifier
-IdentifierTest.java:44:20: compiler.warn.underscore.as.identifier
-IdentifierTest.java:45:22: compiler.warn.underscore.as.identifier
-IdentifierTest.java:50:13: compiler.warn.underscore.as.identifier
-IdentifierTest.java:50:15: compiler.warn.underscore.as.identifier
-IdentifierTest.java:50:23: compiler.warn.underscore.as.identifier
-IdentifierTest.java:52:13: compiler.warn.underscore.as.identifier
-IdentifierTest.java:54:13: compiler.warn.underscore.as.identifier
-IdentifierTest.java:60:21: compiler.warn.underscore.as.identifier
-IdentifierTest.java:61:42: compiler.warn.underscore.as.identifier
-IdentifierTest.java:62:67: compiler.warn.underscore.as.identifier
-IdentifierTest.java:69:13: compiler.warn.underscore.as.identifier
-IdentifierTest.java:70:14: compiler.warn.underscore.as.identifier
-IdentifierTest.java:71:18: compiler.warn.underscore.as.identifier
-IdentifierTest.java:76:22: compiler.warn.underscore.as.identifier
-IdentifierTest.java:78:13: compiler.warn.underscore.as.identifier
-IdentifierTest.java:78:15: compiler.warn.underscore.as.identifier
-IdentifierTest.java:80:13: compiler.warn.underscore.as.identifier
-IdentifierTest.java:80:15: compiler.warn.underscore.as.identifier
-IdentifierTest.java:87:10: compiler.warn.underscore.as.identifier
-IdentifierTest.java:87:38: compiler.warn.underscore.as.identifier
-IdentifierTest.java:93:14: compiler.warn.underscore.as.identifier
-IdentifierTest.java:100:17: compiler.warn.underscore.as.identifier
-IdentifierTest.java:100:26: compiler.warn.underscore.as.identifier
-IdentifierTest.java:117:20: compiler.warn.underscore.as.identifier
-IdentifierTest.java:122:10: compiler.warn.underscore.as.identifier
-IdentifierTest.java:127:17: compiler.warn.underscore.as.identifier
-IdentifierTest.java:130:17: compiler.warn.underscore.as.identifier
-IdentifierTest.java:137:17: compiler.warn.underscore.as.identifier
-IdentifierTest.java:137:24: compiler.warn.underscore.as.identifier
-IdentifierTest.java:137:33: compiler.warn.underscore.as.identifier
-IdentifierTest.java:138:39: compiler.warn.underscore.as.identifier
-IdentifierTest.java:142:13: compiler.warn.underscore.as.identifier
-IdentifierTest.java:143:15: compiler.warn.underscore.as.identifier
-IdentifierTest.java:144:13: compiler.warn.underscore.as.identifier
-IdentifierTest.java:149:15: compiler.warn.underscore.as.identifier
-IdentifierTest.java:150:17: compiler.warn.underscore.as.identifier
-IdentifierTest.java:156:16: compiler.warn.underscore.as.identifier
-IdentifierTest.java:158:25: compiler.warn.underscore.as.identifier
-IdentifierTest.java:167:5: compiler.warn.underscore.as.identifier
-IdentifierTest.java:171:26: compiler.warn.underscore.as.identifier
-IdentifierTest.java:173:19: compiler.warn.underscore.as.identifier
-IdentifierTest.java:179:11: compiler.warn.underscore.as.identifier
-- compiler.err.warnings.and.werror
-1 error
-44 warnings
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/IdentifierTest8.out Mon Dec 08 18:02:07 2014 +0100
@@ -0,0 +1,47 @@
+IdentifierTest.java:41:11: compiler.warn.underscore.as.identifier
+IdentifierTest.java:44:16: compiler.warn.underscore.as.identifier
+IdentifierTest.java:45:20: compiler.warn.underscore.as.identifier
+IdentifierTest.java:46:22: compiler.warn.underscore.as.identifier
+IdentifierTest.java:51:13: compiler.warn.underscore.as.identifier
+IdentifierTest.java:51:15: compiler.warn.underscore.as.identifier
+IdentifierTest.java:51:23: compiler.warn.underscore.as.identifier
+IdentifierTest.java:53:13: compiler.warn.underscore.as.identifier
+IdentifierTest.java:55:13: compiler.warn.underscore.as.identifier
+IdentifierTest.java:61:21: compiler.warn.underscore.as.identifier
+IdentifierTest.java:62:42: compiler.warn.underscore.as.identifier
+IdentifierTest.java:63:67: compiler.warn.underscore.as.identifier
+IdentifierTest.java:70:13: compiler.warn.underscore.as.identifier
+IdentifierTest.java:71:14: compiler.warn.underscore.as.identifier
+IdentifierTest.java:72:18: compiler.warn.underscore.as.identifier
+IdentifierTest.java:77:22: compiler.warn.underscore.as.identifier
+IdentifierTest.java:79:13: compiler.warn.underscore.as.identifier
+IdentifierTest.java:79:15: compiler.warn.underscore.as.identifier
+IdentifierTest.java:81:13: compiler.warn.underscore.as.identifier
+IdentifierTest.java:81:15: compiler.warn.underscore.as.identifier
+IdentifierTest.java:88:10: compiler.warn.underscore.as.identifier
+IdentifierTest.java:88:38: compiler.warn.underscore.as.identifier
+IdentifierTest.java:94:14: compiler.warn.underscore.as.identifier
+IdentifierTest.java:101:17: compiler.warn.underscore.as.identifier
+IdentifierTest.java:101:26: compiler.warn.underscore.as.identifier
+IdentifierTest.java:118:20: compiler.warn.underscore.as.identifier
+IdentifierTest.java:123:10: compiler.warn.underscore.as.identifier
+IdentifierTest.java:128:17: compiler.warn.underscore.as.identifier
+IdentifierTest.java:131:17: compiler.warn.underscore.as.identifier
+IdentifierTest.java:138:17: compiler.warn.underscore.as.identifier
+IdentifierTest.java:138:24: compiler.warn.underscore.as.identifier
+IdentifierTest.java:138:33: compiler.warn.underscore.as.identifier
+IdentifierTest.java:139:39: compiler.warn.underscore.as.identifier
+IdentifierTest.java:143:13: compiler.warn.underscore.as.identifier
+IdentifierTest.java:144:15: compiler.warn.underscore.as.identifier
+IdentifierTest.java:145:13: compiler.warn.underscore.as.identifier
+IdentifierTest.java:150:15: compiler.warn.underscore.as.identifier
+IdentifierTest.java:151:17: compiler.warn.underscore.as.identifier
+IdentifierTest.java:157:16: compiler.warn.underscore.as.identifier
+IdentifierTest.java:159:25: compiler.warn.underscore.as.identifier
+IdentifierTest.java:168:5: compiler.warn.underscore.as.identifier
+IdentifierTest.java:172:26: compiler.warn.underscore.as.identifier
+IdentifierTest.java:174:19: compiler.warn.underscore.as.identifier
+IdentifierTest.java:180:11: compiler.warn.underscore.as.identifier
+- compiler.err.warnings.and.werror
+1 error
+44 warnings
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/IdentifierTest9.out Mon Dec 08 18:02:07 2014 +0100
@@ -0,0 +1,45 @@
+IdentifierTest.java:41:11: compiler.err.underscore.as.identifier
+IdentifierTest.java:44:16: compiler.err.underscore.as.identifier
+IdentifierTest.java:45:20: compiler.err.underscore.as.identifier
+IdentifierTest.java:46:22: compiler.err.underscore.as.identifier
+IdentifierTest.java:51:13: compiler.err.underscore.as.identifier
+IdentifierTest.java:51:15: compiler.err.underscore.as.identifier
+IdentifierTest.java:51:23: compiler.err.underscore.as.identifier
+IdentifierTest.java:53:13: compiler.err.underscore.as.identifier
+IdentifierTest.java:55:13: compiler.err.underscore.as.identifier
+IdentifierTest.java:61:21: compiler.err.underscore.as.identifier
+IdentifierTest.java:62:42: compiler.err.underscore.as.identifier
+IdentifierTest.java:63:67: compiler.err.underscore.as.identifier
+IdentifierTest.java:70:13: compiler.err.underscore.as.identifier
+IdentifierTest.java:71:14: compiler.err.underscore.as.identifier
+IdentifierTest.java:72:18: compiler.err.underscore.as.identifier
+IdentifierTest.java:77:22: compiler.err.underscore.as.identifier
+IdentifierTest.java:79:13: compiler.err.underscore.as.identifier
+IdentifierTest.java:79:15: compiler.err.underscore.as.identifier
+IdentifierTest.java:81:13: compiler.err.underscore.as.identifier
+IdentifierTest.java:81:15: compiler.err.underscore.as.identifier
+IdentifierTest.java:88:10: compiler.err.underscore.as.identifier
+IdentifierTest.java:88:38: compiler.err.underscore.as.identifier
+IdentifierTest.java:94:14: compiler.err.underscore.as.identifier
+IdentifierTest.java:101:17: compiler.err.underscore.as.identifier
+IdentifierTest.java:101:26: compiler.err.underscore.as.identifier
+IdentifierTest.java:118:20: compiler.err.underscore.as.identifier
+IdentifierTest.java:123:10: compiler.err.underscore.as.identifier
+IdentifierTest.java:128:17: compiler.err.underscore.as.identifier
+IdentifierTest.java:131:17: compiler.err.underscore.as.identifier
+IdentifierTest.java:138:17: compiler.err.underscore.as.identifier
+IdentifierTest.java:138:24: compiler.err.underscore.as.identifier
+IdentifierTest.java:138:33: compiler.err.underscore.as.identifier
+IdentifierTest.java:139:39: compiler.err.underscore.as.identifier
+IdentifierTest.java:143:13: compiler.err.underscore.as.identifier
+IdentifierTest.java:144:15: compiler.err.underscore.as.identifier
+IdentifierTest.java:145:13: compiler.err.underscore.as.identifier
+IdentifierTest.java:150:15: compiler.err.underscore.as.identifier
+IdentifierTest.java:151:17: compiler.err.underscore.as.identifier
+IdentifierTest.java:157:16: compiler.err.underscore.as.identifier
+IdentifierTest.java:159:25: compiler.err.underscore.as.identifier
+IdentifierTest.java:168:5: compiler.err.underscore.as.identifier
+IdentifierTest.java:172:26: compiler.err.underscore.as.identifier
+IdentifierTest.java:174:19: compiler.err.underscore.as.identifier
+IdentifierTest.java:180:11: compiler.err.underscore.as.identifier
+44 errors
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/UnderscoreAsIdent.java Mon Dec 08 18:02:07 2014 +0100
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2013, 2014, 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
+ * @summary Check usages of underscore as identifier generate warnings
+ * @compile/fail/ref=UnderscoreAsIdent8.out -source 8 -Xlint:-options -XDrawDiagnostics -Werror UnderscoreAsIdent.java
+ * @compile/fail/ref=UnderscoreAsIdent9.out -XDrawDiagnostics -Werror UnderscoreAsIdent.java
+ */
+package _._;
+
+import _._;
+
+class _ {
+ String _ = null;
+ void _(String _) { }
+ void testLocal() {
+ String _ = null;
+ }
+ void testFor() {
+ for (int _ = 0; _ < 10; _++);
+ }
+ void testTry() {
+ try { } catch (Throwable _) { }
+ }
+ void testLabel() {
+ _:
+ for (;;) {
+ break _;
+ }
+ _:
+ for (;;) {
+ continue _;
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/UnderscoreAsIdent8.out Mon Dec 08 18:02:07 2014 +0100
@@ -0,0 +1,20 @@
+UnderscoreAsIdent.java:30:9: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:30:11: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:32:8: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:32:10: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:34:7: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:35:12: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:36:10: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:36:19: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:38:16: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:41:18: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:41:25: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:41:33: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:44:34: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:47:9: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:49:19: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:51:9: compiler.warn.underscore.as.identifier
+UnderscoreAsIdent.java:53:22: compiler.warn.underscore.as.identifier
+- compiler.err.warnings.and.werror
+1 error
+17 warnings
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/UnderscoreAsIdent9.out Mon Dec 08 18:02:07 2014 +0100
@@ -0,0 +1,18 @@
+UnderscoreAsIdent.java:30:9: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:30:11: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:32:8: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:32:10: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:34:7: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:35:12: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:36:10: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:36:19: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:38:16: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:41:18: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:41:25: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:41:33: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:44:34: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:47:9: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:49:19: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:51:9: compiler.err.underscore.as.identifier
+UnderscoreAsIdent.java:53:22: compiler.err.underscore.as.identifier
+17 errors
--- a/langtools/test/tools/javac/lambda/WarnUnderscoreAsIdent.java Mon Dec 08 16:30:43 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,55 +0,0 @@
-/*
- * 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
- * @summary Check usages of underscore as identifier generate warnings
- * @compile/fail/ref=WarnUnderscoreAsIdent.out -XDrawDiagnostics -Werror WarnUnderscoreAsIdent.java
- */
-package _._;
-
-import _._;
-
-class _ {
- String _ = null;
- void _(String _) { }
- void testLocal() {
- String _ = null;
- }
- void testFor() {
- for (int _ = 0; _ < 10; _++);
- }
- void testTry() {
- try { } catch (Throwable _) { }
- }
- void testLabel() {
- _:
- for (;;) {
- break _;
- }
- _:
- for (;;) {
- continue _;
- }
- }
-}
--- a/langtools/test/tools/javac/lambda/WarnUnderscoreAsIdent.out Mon Dec 08 16:30:43 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,20 +0,0 @@
-WarnUnderscoreAsIdent.java:29:9: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:29:11: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:31:8: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:31:10: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:33:7: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:34:12: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:35:10: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:35:19: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:37:16: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:40:18: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:40:25: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:40:33: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:43:34: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:46:9: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:48:19: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:50:9: compiler.warn.underscore.as.identifier
-WarnUnderscoreAsIdent.java:52:22: compiler.warn.underscore.as.identifier
-- compiler.err.warnings.and.werror
-1 error
-17 warnings
--- a/langtools/test/tools/javac/processing/model/util/elements/doccomments/TestDocComments.java Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/test/tools/javac/processing/model/util/elements/doccomments/TestDocComments.java Mon Dec 08 18:02:07 2014 +0100
@@ -265,19 +265,19 @@
class TestElementScanner extends ElementScanner<Void, Void> {
@Override
- public Void visitExecutable(ExecutableElement e, Void _) {
+ public Void visitExecutable(ExecutableElement e, Void p) {
check(e);
- return super.visitExecutable(e, _);
+ return super.visitExecutable(e, p);
}
@Override
- public Void visitType(TypeElement e, Void _) {
+ public Void visitType(TypeElement e, Void p) {
check(e);
- return super.visitType(e, _);
+ return super.visitType(e, p);
}
@Override
- public Void visitVariable(VariableElement e, Void _) {
+ public Void visitVariable(VariableElement e, Void p) {
check(e);
- return super.visitVariable(e, _);
+ return super.visitVariable(e, p);
}
}
--- a/langtools/test/tools/javac/tree/TreePosRoundsTest.java Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/test/tools/javac/tree/TreePosRoundsTest.java Mon Dec 08 18:02:07 2014 +0100
@@ -140,9 +140,9 @@
}
@Override
- public Void visitVariable(VariableTree tree, Void _) {
+ public Void visitVariable(VariableTree tree, Void p) {
check(getCurrentPath());
- return super.visitVariable(tree, _);
+ return super.visitVariable(tree, p);
}
void check(TreePath tp) {
--- a/langtools/test/tools/javadoc/6964914/JavacWarning.java Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/test/tools/javadoc/6964914/JavacWarning.java Mon Dec 08 18:02:07 2014 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2014, 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
@@ -22,5 +22,5 @@
*/
public class JavacWarning {
- String _ = null; // this will cause a warning. It may be deprecated in JDK8
+ String _ = null; // this will cause a warning with -source 8 (this is an error as of -source 9)
}
--- a/langtools/test/tools/javadoc/6964914/Test.java Mon Dec 08 16:30:43 2014 +0000
+++ b/langtools/test/tools/javadoc/6964914/Test.java Mon Dec 08 18:02:07 2014 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2014, 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
@@ -46,6 +46,7 @@
File testSrc = new File(System.getProperty("test.src"));
String[] args = {
"-Xdoclint:none",
+ "-source", "8",
"-bootclasspath", System.getProperty("sun.boot.class.path"),
"-classpath", ".",
"-package",