8006547: Repeating annotations: No Target on container annotation with all targets on base annotation gives compiler error

Wed, 13 Mar 2013 22:03:09 +0100

author
jfranck
date
Wed, 13 Mar 2013 22:03:09 +0100
changeset 1634
eb0198033c5c
parent 1629
f427043f8c65
child 1635
e0ef84e33167

8006547: Repeating annotations: No Target on container annotation with all targets on base annotation gives compiler error
Reviewed-by: jjg

src/share/classes/com/sun/tools/javac/comp/Check.java file | annotate | diff | comparison | revisions
test/tools/javac/annotations/repeatingAnnotations/DefaultTarget.java file | annotate | diff | comparison | revisions
test/tools/javac/annotations/repeatingAnnotations/DefaultTargetTypeParameter.java file | annotate | diff | comparison | revisions
test/tools/javac/annotations/repeatingAnnotations/DefaultTargetTypeParameter.out file | annotate | diff | comparison | revisions
test/tools/javac/annotations/repeatingAnnotations/DefaultTargetTypeUse.java file | annotate | diff | comparison | revisions
test/tools/javac/annotations/repeatingAnnotations/DefaultTargetTypeUse.out file | annotate | diff | comparison | revisions
test/tools/javac/annotations/repeatingAnnotations/NoTargetOnContainer.java file | annotate | diff | comparison | revisions
test/tools/javac/annotations/repeatingAnnotations/NoTargetOnContainer2.java file | annotate | diff | comparison | revisions
     1.1 --- a/src/share/classes/com/sun/tools/javac/comp/Check.java	Tue Mar 12 17:39:34 2013 +0100
     1.2 +++ b/src/share/classes/com/sun/tools/javac/comp/Check.java	Wed Mar 13 22:03:09 2013 +0100
     1.3 @@ -2779,25 +2779,17 @@
     1.4      }
     1.5  
     1.6      private void validateTarget(Symbol container, Symbol contained, DiagnosticPosition pos) {
     1.7 -        Attribute.Array containedTarget = getAttributeTargetAttribute(contained);
     1.8 -
     1.9 -        // If contained has no Target, we are done
    1.10 -        if (containedTarget == null) {
    1.11 -            return;
    1.12 -        }
    1.13 -
    1.14 -        // If contained has Target m1, container must have a Target
    1.15 -        // annotation, m2, and m2 must be a subset of m1. (This is
    1.16 -        // trivially true if contained has no target as per above).
    1.17 -
    1.18 -        // contained has target, but container has not, error
    1.19 +        // The set of targets the container is applicable to must be a subset
    1.20 +        // (with respect to annotation target semantics) of the set of targets
    1.21 +        // the contained is applicable to. The target sets may be implicit or
    1.22 +        // explicit.
    1.23 +
    1.24 +        Set<Name> containerTargets;
    1.25          Attribute.Array containerTarget = getAttributeTargetAttribute(container);
    1.26          if (containerTarget == null) {
    1.27 -            log.error(pos, "invalid.repeatable.annotation.incompatible.target", container, contained);
    1.28 -            return;
    1.29 -        }
    1.30 -
    1.31 -        Set<Name> containerTargets = new HashSet<Name>();
    1.32 +            containerTargets = getDefaultTargetSet();
    1.33 +        } else {
    1.34 +            containerTargets = new HashSet<Name>();
    1.35          for (Attribute app : containerTarget.values) {
    1.36              if (!(app instanceof Attribute.Enum)) {
    1.37                  continue; // recovery
    1.38 @@ -2805,8 +2797,14 @@
    1.39              Attribute.Enum e = (Attribute.Enum)app;
    1.40              containerTargets.add(e.value.name);
    1.41          }
    1.42 -
    1.43 -        Set<Name> containedTargets = new HashSet<Name>();
    1.44 +        }
    1.45 +
    1.46 +        Set<Name> containedTargets;
    1.47 +        Attribute.Array containedTarget = getAttributeTargetAttribute(contained);
    1.48 +        if (containedTarget == null) {
    1.49 +            containedTargets = getDefaultTargetSet();
    1.50 +        } else {
    1.51 +            containedTargets = new HashSet<Name>();
    1.52          for (Attribute app : containedTarget.values) {
    1.53              if (!(app instanceof Attribute.Enum)) {
    1.54                  continue; // recovery
    1.55 @@ -2814,20 +2812,42 @@
    1.56              Attribute.Enum e = (Attribute.Enum)app;
    1.57              containedTargets.add(e.value.name);
    1.58          }
    1.59 -
    1.60 -        if (!isTargetSubset(containedTargets, containerTargets)) {
    1.61 +        }
    1.62 +
    1.63 +        if (!isTargetSubsetOf(containerTargets, containedTargets)) {
    1.64              log.error(pos, "invalid.repeatable.annotation.incompatible.target", container, contained);
    1.65          }
    1.66      }
    1.67  
    1.68 -    /** Checks that t is a subset of s, with respect to ElementType
    1.69 +    /* get a set of names for the default target */
    1.70 +    private Set<Name> getDefaultTargetSet() {
    1.71 +        if (defaultTargets == null) {
    1.72 +            Set<Name> targets = new HashSet<Name>();
    1.73 +            targets.add(names.ANNOTATION_TYPE);
    1.74 +            targets.add(names.CONSTRUCTOR);
    1.75 +            targets.add(names.FIELD);
    1.76 +            targets.add(names.LOCAL_VARIABLE);
    1.77 +            targets.add(names.METHOD);
    1.78 +            targets.add(names.PACKAGE);
    1.79 +            targets.add(names.PARAMETER);
    1.80 +            targets.add(names.TYPE);
    1.81 +
    1.82 +            defaultTargets = java.util.Collections.unmodifiableSet(targets);
    1.83 +        }
    1.84 +
    1.85 +        return defaultTargets;
    1.86 +    }
    1.87 +    private Set<Name> defaultTargets;
    1.88 +
    1.89 +
    1.90 +    /** Checks that s is a subset of t, with respect to ElementType
    1.91       * semantics, specifically {ANNOTATION_TYPE} is a subset of {TYPE}
    1.92       */
    1.93 -    private boolean isTargetSubset(Set<Name> s, Set<Name> t) {
    1.94 -        // Check that all elements in t are present in s
    1.95 -        for (Name n2 : t) {
    1.96 +    private boolean isTargetSubsetOf(Set<Name> s, Set<Name> t) {
    1.97 +        // Check that all elements in s are present in t
    1.98 +        for (Name n2 : s) {
    1.99              boolean currentElementOk = false;
   1.100 -            for (Name n1 : s) {
   1.101 +            for (Name n1 : t) {
   1.102                  if (n1 == n2) {
   1.103                      currentElementOk = true;
   1.104                      break;
     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/test/tools/javac/annotations/repeatingAnnotations/DefaultTarget.java	Wed Mar 13 22:03:09 2013 +0100
     2.3 @@ -0,0 +1,47 @@
     2.4 +/*
     2.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     2.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     2.7 + *
     2.8 + * This code is free software; you can redistribute it and/or modify it
     2.9 + * under the terms of the GNU General Public License version 2 only, as
    2.10 + * published by the Free Software Foundation.
    2.11 + *
    2.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    2.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    2.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    2.15 + * version 2 for more details (a copy is included in the LICENSE file that
    2.16 + * accompanied this code).
    2.17 + *
    2.18 + * You should have received a copy of the GNU General Public License version
    2.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    2.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    2.21 + *
    2.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    2.23 + * or visit www.oracle.com if you need additional information or have any
    2.24 + * questions.
    2.25 + */
    2.26 +
    2.27 +import java.lang.annotation.*;
    2.28 +
    2.29 +/**
    2.30 + * @test
    2.31 + * @bug 8006547
    2.32 + * @compile DefaultTarget.java
    2.33 + */
    2.34 +
    2.35 +@Target({
    2.36 +    ElementType.CONSTRUCTOR,
    2.37 +    ElementType.PARAMETER,
    2.38 +    ElementType.TYPE,
    2.39 +    ElementType.METHOD,
    2.40 +    ElementType.LOCAL_VARIABLE,
    2.41 +    ElementType.PACKAGE,
    2.42 +    ElementType.ANNOTATION_TYPE,
    2.43 +    ElementType.FIELD,
    2.44 +})
    2.45 +@interface Container {
    2.46 +  DefaultTarget[] value();
    2.47 +}
    2.48 +
    2.49 +@Repeatable(Container.class)
    2.50 +public @interface DefaultTarget {}
     3.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     3.2 +++ b/test/tools/javac/annotations/repeatingAnnotations/DefaultTargetTypeParameter.java	Wed Mar 13 22:03:09 2013 +0100
     3.3 @@ -0,0 +1,40 @@
     3.4 +/*
     3.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     3.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     3.7 + *
     3.8 + * This code is free software; you can redistribute it and/or modify it
     3.9 + * under the terms of the GNU General Public License version 2 only, as
    3.10 + * published by the Free Software Foundation.
    3.11 + *
    3.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    3.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    3.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    3.15 + * version 2 for more details (a copy is included in the LICENSE file that
    3.16 + * accompanied this code).
    3.17 + *
    3.18 + * You should have received a copy of the GNU General Public License version
    3.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    3.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    3.21 + *
    3.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    3.23 + * or visit www.oracle.com if you need additional information or have any
    3.24 + * questions.
    3.25 + */
    3.26 +
    3.27 +import java.lang.annotation.*;
    3.28 +
    3.29 +/**
    3.30 + * @test
    3.31 + * @bug 8006547
    3.32 + * @compile/fail/ref=DefaultTargetTypeParameter.out -XDrawDiagnostics DefaultTargetTypeParameter.java
    3.33 + */
    3.34 +
    3.35 +@Target({
    3.36 +    ElementType.TYPE_PARAMETER,
    3.37 +})
    3.38 +@interface Container {
    3.39 +  DefaultTargetTypeParameter[] value();
    3.40 +}
    3.41 +
    3.42 +@Repeatable(Container.class)
    3.43 +public @interface DefaultTargetTypeParameter {}
     4.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     4.2 +++ b/test/tools/javac/annotations/repeatingAnnotations/DefaultTargetTypeParameter.out	Wed Mar 13 22:03:09 2013 +0100
     4.3 @@ -0,0 +1,2 @@
     4.4 +DefaultTargetTypeParameter.java:39:1: compiler.err.invalid.repeatable.annotation.incompatible.target: Container, DefaultTargetTypeParameter
     4.5 +1 error
     5.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     5.2 +++ b/test/tools/javac/annotations/repeatingAnnotations/DefaultTargetTypeUse.java	Wed Mar 13 22:03:09 2013 +0100
     5.3 @@ -0,0 +1,40 @@
     5.4 +/*
     5.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     5.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     5.7 + *
     5.8 + * This code is free software; you can redistribute it and/or modify it
     5.9 + * under the terms of the GNU General Public License version 2 only, as
    5.10 + * published by the Free Software Foundation.
    5.11 + *
    5.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    5.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    5.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    5.15 + * version 2 for more details (a copy is included in the LICENSE file that
    5.16 + * accompanied this code).
    5.17 + *
    5.18 + * You should have received a copy of the GNU General Public License version
    5.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    5.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    5.21 + *
    5.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    5.23 + * or visit www.oracle.com if you need additional information or have any
    5.24 + * questions.
    5.25 + */
    5.26 +
    5.27 +import java.lang.annotation.*;
    5.28 +
    5.29 +/**
    5.30 + * @test
    5.31 + * @bug 8006547
    5.32 + * @compile/fail/ref=DefaultTargetTypeUse.out -XDrawDiagnostics DefaultTargetTypeUse.java
    5.33 + */
    5.34 +
    5.35 +@Target({
    5.36 +    ElementType.TYPE_USE,
    5.37 +})
    5.38 +@interface Container {
    5.39 +  DefaultTargetTypeUse[] value();
    5.40 +}
    5.41 +
    5.42 +@Repeatable(Container.class)
    5.43 +public @interface DefaultTargetTypeUse {}
     6.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     6.2 +++ b/test/tools/javac/annotations/repeatingAnnotations/DefaultTargetTypeUse.out	Wed Mar 13 22:03:09 2013 +0100
     6.3 @@ -0,0 +1,2 @@
     6.4 +DefaultTargetTypeUse.java:39:1: compiler.err.invalid.repeatable.annotation.incompatible.target: Container, DefaultTargetTypeUse
     6.5 +1 error
     7.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     7.2 +++ b/test/tools/javac/annotations/repeatingAnnotations/NoTargetOnContainer.java	Wed Mar 13 22:03:09 2013 +0100
     7.3 @@ -0,0 +1,49 @@
     7.4 +/*
     7.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     7.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     7.7 + *
     7.8 + * This code is free software; you can redistribute it and/or modify it
     7.9 + * under the terms of the GNU General Public License version 2 only, as
    7.10 + * published by the Free Software Foundation.
    7.11 + *
    7.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    7.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    7.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    7.15 + * version 2 for more details (a copy is included in the LICENSE file that
    7.16 + * accompanied this code).
    7.17 + *
    7.18 + * You should have received a copy of the GNU General Public License version
    7.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    7.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    7.21 + *
    7.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    7.23 + * or visit www.oracle.com if you need additional information or have any
    7.24 + * questions.
    7.25 + */
    7.26 +
    7.27 +import java.lang.annotation.*;
    7.28 +
    7.29 +/**
    7.30 + * @test
    7.31 + * @bug 8006547
    7.32 + * @compile NoTargetOnContainer.java
    7.33 + */
    7.34 +
    7.35 +@interface FooContainer {
    7.36 +  Foo[] value();
    7.37 +}
    7.38 +
    7.39 +@Target({
    7.40 +    ElementType.CONSTRUCTOR,
    7.41 +    ElementType.PARAMETER,
    7.42 +    ElementType.TYPE,
    7.43 +    ElementType.METHOD,
    7.44 +    ElementType.LOCAL_VARIABLE,
    7.45 +    ElementType.PACKAGE,
    7.46 +    ElementType.ANNOTATION_TYPE,
    7.47 +    ElementType.FIELD,
    7.48 +})
    7.49 +@Repeatable(FooContainer.class)
    7.50 +@interface Foo {}
    7.51 +
    7.52 +class NoTargetOnContainer {}
     8.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     8.2 +++ b/test/tools/javac/annotations/repeatingAnnotations/NoTargetOnContainer2.java	Wed Mar 13 22:03:09 2013 +0100
     8.3 @@ -0,0 +1,50 @@
     8.4 +/*
     8.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     8.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     8.7 + *
     8.8 + * This code is free software; you can redistribute it and/or modify it
     8.9 + * under the terms of the GNU General Public License version 2 only, as
    8.10 + * published by the Free Software Foundation.
    8.11 + *
    8.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    8.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    8.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    8.15 + * version 2 for more details (a copy is included in the LICENSE file that
    8.16 + * accompanied this code).
    8.17 + *
    8.18 + * You should have received a copy of the GNU General Public License version
    8.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    8.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    8.21 + *
    8.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    8.23 + * or visit www.oracle.com if you need additional information or have any
    8.24 + * questions.
    8.25 + */
    8.26 +
    8.27 +import java.lang.annotation.*;
    8.28 +
    8.29 +/**
    8.30 + * @test
    8.31 + * @bug 8006547
    8.32 + * @compile NoTargetOnContainer2.java
    8.33 + */
    8.34 +
    8.35 +@interface FooContainer {
    8.36 +  Foo[] value();
    8.37 +}
    8.38 +
    8.39 +@Target({
    8.40 +    ElementType.CONSTRUCTOR,
    8.41 +    ElementType.PARAMETER,
    8.42 +    ElementType.TYPE,
    8.43 +    ElementType.METHOD,
    8.44 +    ElementType.LOCAL_VARIABLE,
    8.45 +    ElementType.PACKAGE,
    8.46 +    ElementType.ANNOTATION_TYPE,
    8.47 +    ElementType.FIELD,
    8.48 +    ElementType.TYPE_USE,
    8.49 +    ElementType.TYPE_PARAMETER})
    8.50 +@Repeatable(FooContainer.class)
    8.51 +@interface Foo {}
    8.52 +
    8.53 +class NoTargetOnContainer2 {}

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