archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 19:44:41 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8200301: deduplicate lambda methods

Browse source 
Reviewed-by: vromero, mcimadamore
This commit is contained in:
Liam Miller-Cushon 2018-03-27 13:48:16 -04:00
parent 86c4fd2db5
commit debaf13f38
10 changed files with 1322 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

113
test/langtools/tools/javac/lambda/deduplication/Deduplication.java Normal file
View file

@ -0,0 +1,113 @@
/*
* Copyright (c) 2018, Google LLC. 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.
*/
package com.sun.tools.javac.comp;
import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
public class Deduplication {
void group(Object... xs) {}
void test() {
group((Function<String, Integer>) x -> x.hashCode());
group((Function<Object, Integer>) x -> x.hashCode());
{
int x = 1;
group((Supplier<Integer>) () -> x + 1);
}
{
int x = 1;
group((Supplier<Integer>) () -> x + 1);
}
group(
(BiFunction<Integer, Integer, ?>) (x, y) -> x + ((y)),
(BiFunction<Integer, Integer, ?>) (x, y) -> x + (y),
(BiFunction<Integer, Integer, ?>) (x, y) -> x + y,
(BiFunction<Integer, Integer, ?>) (x, y) -> (x) + ((y)),
(BiFunction<Integer, Integer, ?>) (x, y) -> (x) + (y),
(BiFunction<Integer, Integer, ?>) (x, y) -> (x) + y,
(BiFunction<Integer, Integer, ?>) (x, y) -> ((x)) + ((y)),
(BiFunction<Integer, Integer, ?>) (x, y) -> ((x)) + (y),
(BiFunction<Integer, Integer, ?>) (x, y) -> ((x)) + y);
group(
(Function<Integer, Integer>) x -> x + (1 + 2 + 3),
(Function<Integer, Integer>) x -> x + 6);
group((Function<Integer, Integer>) x -> x + 1, (Function<Integer, Integer>) y -> y + 1);
group((Consumer<Integer>) x -> this.f(), (Consumer<Integer>) x -> this.f());
group((Consumer<Integer>) y -> this.g());
group((Consumer<Integer>) x -> f(), (Consumer<Integer>) x -> f());
group((Consumer<Integer>) y -> g());
group((Function<Integer, Integer>) x -> this.i, (Function<Integer, Integer>) x -> this.i);
group((Function<Integer, Integer>) y -> this.j);
group((Function<Integer, Integer>) x -> i, (Function<Integer, Integer>) x -> i);
group((Function<Integer, Integer>) y -> j);
group(
(Function<Integer, Integer>) y -> {
while (true) {
break;
}
return 42;
},
(Function<Integer, Integer>) y -> {
while (true) {
break;
}
return 42;
});
class Local {
int i;
void f() {}
{
group((Function<Integer, Integer>) x -> this.i);
group((Consumer<Integer>) x -> this.f());
group((Function<Integer, Integer>) x -> Deduplication.this.i);
group((Consumer<Integer>) x -> Deduplication.this.f());
}
}
}
void f() {}
void g() {}
int i;
int j;
}