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7073508: Regression: NullPointerException at com.sun.tools.javac.code.Lint$AugmentVisitor.augment

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Reviewed-by: darcy
This commit is contained in:
Jonathan Gibbons 2011-09-09 17:19:26 -07:00
parent a456f20739
commit a0084596d4
3 changed files with 91 additions and 1 deletions
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10
langtools/src/share/classes/com/sun/tools/javac/comp/Attr.java
View file

@ -594,7 +594,15 @@ public class Attr extends JCTree.Visitor {
lintEnv = lintEnv.next; lintEnv = lintEnv.next;
// Having found the enclosing lint value, we can initialize the lint value for this class // Having found the enclosing lint value, we can initialize the lint value for this class
env.info.lint = lintEnv.info.lint.augment(env.info.enclVar.attributes_field, env.info.enclVar.flags()); // ... but ...
// There's a problem with evaluating annotations in the right order, such that
// env.info.enclVar.attributes_field might not yet have been evaluated, and so might be
// null. In that case, calling augment will throw an NPE. To avoid this, for now we
// revert to the jdk 6 behavior and ignore the (unevaluated) attributes.
if (env.info.enclVar.attributes_field == null)
env.info.lint = lintEnv.info.lint;
else
env.info.lint = lintEnv.info.lint.augment(env.info.enclVar.attributes_field, env.info.enclVar.flags());
Lint prevLint = chk.setLint(env.info.lint); Lint prevLint = chk.setLint(env.info.lint);
JavaFileObject prevSource = log.useSource(env.toplevel.sourcefile); JavaFileObject prevSource = log.useSource(env.toplevel.sourcefile);

43
langtools/test/tools/javac/annotations/T7043371.java Normal file
View file

@ -0,0 +1,43 @@
/*
* Copyright (c) 2011, 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 7043371
* @summary javac7 fails with NPE during compilation
* @compile T7043371.java
*/
@interface Anno {
String value();
}
class B {
@Anno(value=A.a)
public static final int b = 0;
}
class A {
@Deprecated
public static final String a = "a";
}

39
langtools/test/tools/javac/annotations/T7073477.java Normal file
View file

@ -0,0 +1,39 @@
/*
* Copyright (c) 2011, 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 7073477
* @summary NPE in com.sun.tools.javac.code.Symbol$VarSymbol.getConstValue
* @compile T7073477.java
*/
@SuppressWarnings(T7073477A.S)
class T7073477 {
}
class T7073477A {
@SuppressWarnings("")
static final String S = "";
}