提交 f0eefc66 编写于 作者: S sadayapalam

8191969: javac produces incorrect RuntimeInvisibleTypeAnnotations length attribute

Reviewed-by: jlahoda, vromero
上级 8932f9b3
/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2017, 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
......@@ -2009,7 +2009,7 @@ public class LambdaToMethod extends TreeTranslator {
Assert.error(skind.name());
throw new AssertionError();
}
if (ret != sym) {
if (ret != sym && skind.propagateAnnotations()) {
ret.setDeclarationAttributes(sym.getRawAttributes());
ret.setTypeAttributes(sym.getRawTypeAttributes());
}
......@@ -2045,7 +2045,6 @@ public class LambdaToMethod extends TreeTranslator {
if (m.containsKey(lambdaIdent.sym)) {
Symbol tSym = m.get(lambdaIdent.sym);
JCTree t = make.Ident(tSym).setType(lambdaIdent.type);
tSym.setTypeAttributes(lambdaIdent.sym.getRawTypeAttributes());
return t;
}
break;
......@@ -2054,7 +2053,6 @@ public class LambdaToMethod extends TreeTranslator {
// Transform outer instance variable references anchoring them to the captured synthetic.
Symbol tSym = m.get(lambdaIdent.sym.owner);
JCExpression t = make.Ident(tSym).setType(lambdaIdent.sym.owner.type);
tSym.setTypeAttributes(lambdaIdent.sym.owner.getRawTypeAttributes());
t = make.Select(t, lambdaIdent.name);
t.setType(lambdaIdent.type);
TreeInfo.setSymbol(t, lambdaIdent.sym);
......@@ -2075,7 +2073,6 @@ public class LambdaToMethod extends TreeTranslator {
if (m.containsKey(fieldAccess.sym.owner)) {
Symbol tSym = m.get(fieldAccess.sym.owner);
JCExpression t = make.Ident(tSym).setType(fieldAccess.sym.owner.type);
tSym.setTypeAttributes(fieldAccess.sym.owner.getRawTypeAttributes());
return t;
}
return null;
......@@ -2272,6 +2269,17 @@ public class LambdaToMethod extends TreeTranslator {
CAPTURED_THIS, // class symbols to translated synthetic parameters (for captured member access)
CAPTURED_OUTER_THIS, // used when `this' capture is illegal, but outer this capture is legit (JDK-8129740)
TYPE_VAR; // original to translated lambda type variables
boolean propagateAnnotations() {
switch (this) {
case CAPTURED_VAR:
case CAPTURED_THIS:
case CAPTURED_OUTER_THIS:
return false;
default:
return true;
}
}
}
/**
......
/*
* Copyright (c) 2017, Google Inc. 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 8144185 8191969
* @summary javac produces incorrect RuntimeInvisibleTypeAnnotations length attribute
*/
import static java.lang.annotation.ElementType.TYPE_USE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import com.sun.tools.classfile.Attribute;
import com.sun.tools.classfile.ClassFile;
import com.sun.tools.classfile.Code_attribute;
import com.sun.tools.classfile.Method;
import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute;
import com.sun.tools.classfile.TypeAnnotation;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import java.util.Arrays;
import java.util.Objects;
public class TypeAnnotationPropagationTest extends ClassfileTestHelper {
public static void main(String[] args) throws Exception {
new TypeAnnotationPropagationTest().run();
}
public void run() throws Exception {
ClassFile cf = getClassFile("TypeAnnotationPropagationTest$Test.class");
Method f = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).contains("f")) {
f = m;
break;
}
}
int idx = f.attributes.getIndex(cf.constant_pool, Attribute.Code);
Code_attribute cattr = (Code_attribute) f.attributes.get(idx);
idx = cattr.attributes.getIndex(cf.constant_pool, Attribute.RuntimeVisibleTypeAnnotations);
RuntimeVisibleTypeAnnotations_attribute attr =
(RuntimeVisibleTypeAnnotations_attribute) cattr.attributes.get(idx);
TypeAnnotation anno = attr.annotations[0];
assertEquals(anno.position.lvarOffset, new int[] {3}, "start_pc");
assertEquals(anno.position.lvarLength, new int[] {8}, "length");
assertEquals(anno.position.lvarIndex, new int[] {1}, "index");
}
void assertEquals(int[] actual, int[] expected, String message) {
if (!Arrays.equals(actual, expected)) {
throw new AssertionError(
String.format(
"actual: %s, expected: %s, %s",
Arrays.toString(actual), Arrays.toString(expected), message));
}
}
/** ********************* Test class ************************ */
static class Test {
void f() {
@A String s = "";
Runnable r =
() -> {
Objects.requireNonNull(s);
Objects.requireNonNull(s);
Objects.requireNonNull(s);
Objects.requireNonNull(s);
Objects.requireNonNull(s);
Objects.requireNonNull(s);
};
}
@Retention(RUNTIME)
@Target(TYPE_USE)
@interface A {}
}
}
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