You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
1.5 KiB
92 lines
1.5 KiB
/*
|
|
* Copyright (c) 2018-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
package codetoanalyze.java.checkers;
|
|
|
|
import com.facebook.infer.annotation.ThreadSafe;
|
|
|
|
class Interprocedural {
|
|
|
|
static class A {
|
|
B f = new B();
|
|
int h = 0;
|
|
}
|
|
|
|
static class B {
|
|
int g = 0;
|
|
}
|
|
|
|
@ThreadSafe
|
|
static class Field {
|
|
private A a = new A();
|
|
|
|
private void destabilize() {
|
|
B b = a.f;
|
|
}
|
|
|
|
public void unstable_ok() {
|
|
int x = 42;
|
|
destabilize();
|
|
synchronized (this) {
|
|
a.f.g = 101;
|
|
}
|
|
x = a.f.g;
|
|
}
|
|
|
|
public void stable_bad() {
|
|
int x = 42;
|
|
synchronized (this) {
|
|
a.f.g = 101;
|
|
}
|
|
x = a.f.g;
|
|
}
|
|
}
|
|
|
|
@ThreadSafe
|
|
static class Param {
|
|
|
|
private void destabilize(A z) {
|
|
B b1 = z.f;
|
|
System.out.println(b1);
|
|
}
|
|
|
|
public void unstable_ok(A a) {
|
|
int x = 42;
|
|
destabilize(a);
|
|
synchronized (this) {
|
|
a.f.g = 101;
|
|
}
|
|
x = a.f.g;
|
|
}
|
|
|
|
public void stable_bad(A a) {
|
|
int x = 42;
|
|
synchronized (this) {
|
|
a.f.g = 101;
|
|
}
|
|
x = a.f.g;
|
|
}
|
|
}
|
|
|
|
@ThreadSafe
|
|
static class Param2 {
|
|
|
|
private void destabilize(A z) {
|
|
// Do nothing
|
|
}
|
|
|
|
public void stable_bad(A a) {
|
|
int x = 42;
|
|
destabilize(a); // a leaks, but shouldn't be de-stabilized because callee does nothing
|
|
synchronized (this) {
|
|
a.f.g = 101;
|
|
}
|
|
x = a.f.g;
|
|
}
|
|
}
|
|
}
|