No longer report context leak on private methods

Summary: public
The context leaks were reported multiple times. If a leaks was found on method `f()` and `g()` calls `f()`, then the same leak was report both in `f()` and in `g()`.

Reviewed By: sblackshear

Differential Revision: D2598110

fb-gh-sync-id: ca90b57

infer/src/backend/cfg.ml

@@ -460,6 +460,10 @@ module Node = struct
   let proc_desc_get_captured proc_desc =
     proc_desc.pd_attributes.ProcAttributes.captured
 
+  (** Return the visibility attribute *)
+  let proc_desc_get_access proc_desc =
+    proc_desc.pd_attributes.ProcAttributes.access
+
   let proc_desc_get_nodes proc_desc =
     proc_desc.pd_nodes
 
@@ -645,6 +649,7 @@ module Procdesc = struct
   let get_loc = Node.proc_desc_get_loc
   let get_locals = Node.proc_desc_get_locals
   let get_captured = Node.proc_desc_get_captured
+  let get_access = Node.proc_desc_get_access
   let get_nodes = Node.proc_desc_get_nodes
   let get_slope = Node.proc_desc_get_slope
   let get_sliced_slope = Node.proc_desc_get_sliced_slope

infer/src/backend/cfg.mli

@@ -71,6 +71,9 @@ module Procdesc : sig
   (** Return name and type of block's captured variables *)
   val get_captured : t -> (Mangled.t * Sil.typ) list
 
+  (** Return the visibility attribute *)
+  val get_access : t -> Sil.access
+
   val get_nodes : t -> node list
 
   (** Get the procedure's nodes up until the first branching *)

infer/src/backend/interproc.ml

@@ -702,7 +702,7 @@ let extract_specs tenv pdesc pathset : Prop.normal Specs.spec list =
       (* let () = L.out "@.AFTER abs:@.$%a@." (Prop.pp_prop Utils.pe_text) prop'' in *)
       let pre, post = Prop.extract_spec prop'' in
       let pre' = Prop.normalize (Prop.prop_sub sub pre) in
-      if !Config.curr_language = Config.Java then
+      if !Config.curr_language = Config.Java && Cfg.Procdesc.get_access pdesc <> Sil.Private then
         report_context_leaks pname (Prop.get_sigma post) tenv;
       let post' =
         if Prover.check_inconsistency_base prop then None

infer/tests/ant_report.json

@@ -28,7 +28,7 @@
   },
   {
     "type": "CONTEXT_LEAK",
-    "procedure": "void ContextLeaks.handlerLeak()",
+    "procedure": "void ContextLeaks.indirectHandlerLeak()",
     "file": "codetoanalyze/java/infer/ContextLeaks.java"
   },
   {

infer/tests/buck_report.json

@@ -26,7 +26,7 @@
   },
   {
     "type": "CONTEXT_LEAK",
-    "procedure": "void ContextLeaks.handlerLeak()",
+    "procedure": "void ContextLeaks.indirectHandlerLeak()",
     "file": "infer/tests/codetoanalyze/java/infer/ContextLeaks.java"
   },
   {

infer/tests/codetoanalyze/java/infer/ContextLeaks.java

@@ -18,7 +18,7 @@ public class ContextLeaks extends Activity {
 
   static Object sFld;
 
-    public void directLeak() {
+  void directLeak() {
     sFld = this;
   }
 
@@ -48,7 +48,8 @@ public class ContextLeaks extends Activity {
     o.f = null;
   }
 
-    class NonStaticInner {}
+  class NonStaticInner {
+  }
 
   public void nonStaticInnerClassLeak() {
     sFld = new NonStaticInner();
@@ -76,24 +77,28 @@ public class ContextLeaks extends Activity {
     }
 
     public static Singleton getInstance(Context context) {
-            if(instance == null) {
+      if (instance == null) {
         instance = new Singleton(context);
       }
       return instance;
     }
   }
 
-    Singleton singletonLeak() {
+  public Singleton singletonLeak() {
     return Singleton.getInstance(this);
   }
 
-    Singleton singletonNoLeak() {
+  public Singleton singletonNoLeak() {
     return Singleton.getInstance(this.getApplicationContext());
   }
 
   private Handler handler = new Handler();
 
-    public void handlerLeak() {
+  public void indirectHandlerLeak() {
+    handlerLeak();
+  }
+
+  private void handlerLeak() {
     Runnable r =
         new Runnable() {
           public void run() {

infer/tests/endtoend/java/infer/ContextLeaksTest.java

@@ -45,7 +45,7 @@ public class ContextLeaksTest {
         "nonStaticInnerClassLeak",
         "leakAfterInstanceFieldWrite",
         "singletonLeak",
-        "handlerLeak"
+        "indirectHandlerLeak"
     };
     assertThat(
         "Results should contain " + CONTEXT_LEAK,