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Nikos Gorogiannis aef34d8384 [starvation][whole-program] analyze constructors for initial attribute state ... Summary: A current blind spot is when object construction stores specific executors / runnables to object fields, which are then never mutated and accessed from normal methods. IOW the attributes established in the constructor are necessary to report properly inside a normal method (assuming these attributes are not invalidated by method code). To achieve this, first we retain a subset of the final state attributes in the summary (only those that affect instance variables, in constructor methods). Then, when we analyse a non-constructor method: - we analyse all constructors - remove all attributes from the attribute map whose key is not an expression of the form `this.x. ...` - re-localise all remaining keys so that they appear as rooted in the `this` local variable of the current procedure - join (intersect) all such attribute maps - use the result in place of initial state as far as the attribute map is concerned for the analysis of the current procedure, which can now start. This means we can catch idioms that use side-effectful initialisation for configuring certain object fields like executors or runnables. Reviewed By: jvillard Differential Revision: D18707890 fbshipit-source-id: 42ac6108f		5 years ago
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.inferconfig	[starvation] whole program analysis	5 years ago
AttributeFlows.java	[starvation][whole-program] analyze constructors for initial attribute state	5 years ago
ConstructedAttributes.java	[starvation][whole-program] analyze constructors for initial attribute state	5 years ago
Deadlock.java	[starvation] whole program analysis	5 years ago
DirectStarvation.java	[starvation] whole program analysis	5 years ago
Executors.java	[starvation][whole-program] add a bit of typestate/dataflow	5 years ago
ForNonUiThread.java	[starvation] whole program analysis	5 years ago
ForUiThread.java	[starvation] whole program analysis	5 years ago
ImplicitConstructor.java	[starvation][whole-program] analyze constructors for initial attribute state	5 years ago
IndirectStarvation.java	[starvation] whole program analysis	5 years ago
Makefile	[starvation] whole program analysis	5 years ago
ModeledExecutors.java	[starvation][whole-program] more models	5 years ago
ModeledHandler.java	[starvation][whole-program] Looper and Handler models and semantics	5 years ago
MyActivity.java	[starvation-whole-program] recognize Android callback methods as scheduled work	5 years ago
MyServiceConnection.java	[concurrency] add models for Android UI thread callbacks (ServiceConnection)	5 years ago
UnknownThread.java	[starvation][whole-program] allow scheduled work on unknown threads	5 years ago
issues.exp	[starvation][whole-program] analyze constructors for initial attribute state	5 years ago