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/*
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* Copyright (c) 2013 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package codetoanalyze.java.checkers;
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import com.facebook.infer.annotation.NoAllocation;
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import com.facebook.infer.annotation.IgnoreAllocations;
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public class NoAllocationExample {
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@NoAllocation
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void directlyAllocatingMethod() {
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new Object();
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}
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void allocates() {
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new Object();
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}
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@NoAllocation
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void indirectlyAllocatingMethod() {
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allocates();
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}
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void doesNotAllocate() {
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// does noting
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}
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@NoAllocation
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void notAllocatingMethod() {
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doesNotAllocate();
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}
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void allocatingIsFine() {
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new Object();
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}
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@NoAllocation
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void throwsException() {
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throw new RuntimeException();
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}
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@NoAllocation
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void creatingExceptionIsFine() {
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throwsException();
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}
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@NoAllocation
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void thowingAThrowableIsFine() {
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throw new AssertionError();
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}
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@IgnoreAllocations
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void acceptableAllocation() {
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new Object();
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}
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@NoAllocation
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void onlyAllocatesInAcceptableWay() {
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acceptableAllocation();
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}
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native boolean rareCase();
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@NoAllocation
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void onlyAllocatesUsingUnlikely() {
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if (Branch.unlikely(rareCase())) {
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allocates();
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}
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}
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}
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