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dragonwell8_jdk
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61577344
编写于
7月 11, 2017
作者:
P
psandoz
浏览文件
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电子邮件补丁
差异文件
8184185: Rearrange MethodHandle arrangements
Reviewed-by: jrose, redestad, vlivanov, ahgross
上级
e38477f7
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
93 addition
and
2 deletion
+93
-2
src/share/classes/java/lang/invoke/LambdaFormEditor.java
src/share/classes/java/lang/invoke/LambdaFormEditor.java
+2
-2
test/java/lang/invoke/PermuteArgsReturnVoidTest.java
test/java/lang/invoke/PermuteArgsReturnVoidTest.java
+91
-0
未找到文件。
src/share/classes/java/lang/invoke/LambdaFormEditor.java
浏览文件 @
61577344
...
@@ -808,9 +808,9 @@ class LambdaFormEditor {
...
@@ -808,9 +808,9 @@ class LambdaFormEditor {
System
.
arraycopy
(
lambdaForm
.
names
,
skip
+
outArgs
,
names2
,
skip
+
inTypes
,
bodyLength
);
System
.
arraycopy
(
lambdaForm
.
names
,
skip
+
outArgs
,
names2
,
skip
+
inTypes
,
bodyLength
);
int
arity2
=
names2
.
length
-
bodyLength
;
int
arity2
=
names2
.
length
-
bodyLength
;
int
result2
=
lambdaForm
.
result
;
int
result2
=
lambdaForm
.
result
;
if
(
result2
>=
0
)
{
if
(
result2
>=
skip
)
{
if
(
result2
<
skip
+
outArgs
)
{
if
(
result2
<
skip
+
outArgs
)
{
result2
=
reorder
[
result2
-
skip
];
result2
=
reorder
[
result2
-
skip
]
+
skip
;
}
else
{
}
else
{
result2
=
result2
-
outArgs
+
inTypes
;
result2
=
result2
-
outArgs
+
inTypes
;
}
}
...
...
test/java/lang/invoke/PermuteArgsReturnVoidTest.java
0 → 100644
浏览文件 @
61577344
/*
* Copyright (c) 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
* 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 8184119
* @summary test permutation when return value is directly derived from an argument
* @run testng/othervm test.java.lang.invoke.PermuteArgsReturnVoidTest
*/
package
test.java.lang.invoke
;
import
org.testng.Assert
;
import
org.testng.annotations.Test
;
import
java.lang.invoke.MethodHandle
;
import
java.lang.invoke.MethodHandles
;
import
java.lang.invoke.MethodType
;
import
static
java
.
lang
.
invoke
.
MethodHandles
.
dropArguments
;
import
static
java
.
lang
.
invoke
.
MethodHandles
.
identity
;
public
class
PermuteArgsReturnVoidTest
{
static
String
consumeIdentity
(
String
s
,
int
i1
,
int
i2
)
{
return
s
;
}
static
void
consumeVoid
(
String
s
,
int
i1
,
int
i2
)
{
}
@Test
public
void
testReturnOnStack
()
throws
Throwable
{
MethodHandles
.
Lookup
l
=
MethodHandles
.
lookup
();
MethodHandle
consumeIdentity
=
l
.
findStatic
(
PermuteArgsReturnVoidTest
.
class
,
"consumeIdentity"
,
MethodType
.
methodType
(
String
.
class
,
String
.
class
,
int
.
class
,
int
.
class
));
MethodHandle
consumeVoid
=
l
.
findStatic
(
PermuteArgsReturnVoidTest
.
class
,
"consumeVoid"
,
MethodType
.
methodType
(
void
.
class
,
String
.
class
,
int
.
class
,
int
.
class
));
MethodHandle
f
=
MethodHandles
.
foldArguments
(
consumeIdentity
,
consumeVoid
);
MethodHandle
p
=
MethodHandles
.
permuteArguments
(
f
,
MethodType
.
methodType
(
String
.
class
,
String
.
class
,
int
.
class
,
int
.
class
),
0
,
2
,
1
);
String
s
=
(
String
)
p
.
invoke
(
"IN"
,
0
,
0
);
Assert
.
assertEquals
(
s
.
getClass
(),
String
.
class
);
Assert
.
assertEquals
(
s
,
"IN"
);
}
@Test
public
void
testReturnFromArg
()
throws
Throwable
{
MethodHandles
.
Lookup
l
=
MethodHandles
.
lookup
();
MethodHandle
consumeIdentity
=
dropArguments
(
identity
(
String
.
class
),
1
,
int
.
class
,
int
.
class
);
MethodHandle
consumeVoid
=
l
.
findStatic
(
PermuteArgsReturnVoidTest
.
class
,
"consumeVoid"
,
MethodType
.
methodType
(
void
.
class
,
String
.
class
,
int
.
class
,
int
.
class
));
MethodHandle
f
=
MethodHandles
.
foldArguments
(
consumeIdentity
,
consumeVoid
);
MethodHandle
p
=
MethodHandles
.
permuteArguments
(
f
,
MethodType
.
methodType
(
String
.
class
,
String
.
class
,
int
.
class
,
int
.
class
),
0
,
2
,
1
);
String
s
=
(
String
)
p
.
invoke
(
"IN"
,
0
,
0
);
Assert
.
assertEquals
(
s
.
getClass
(),
String
.
class
);
Assert
.
assertEquals
(
s
,
"IN"
);
}
}
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