Test if connections exist

src/taste-interface_view.adb

@@ -515,7 +515,7 @@ package body TASTE.Interface_View is
            (if Context /= From then From else "_env");
          Result      : Remote_Entity :=
            (US ("Not found!"), US ("Not found!"), US ("Not found!"));
-         Connections : Channels.Vector;
+         Connections : Channels.Vector := Channels.Empty_Vector;
          Set_Going_Out : Boolean := False;
       begin
          --  Note: There is a limitation in the interface view when there are
@@ -526,7 +526,10 @@ package body TASTE.Interface_View is
          --  * This is NOT RIGHT and should be fixed by Ellidiss *
 
          --  Retrieve the list of connections of the source function context
-         Connections := Routes_Map.Element (Key => Context);
+         if Routes_Map.Contains (Key => Context) then
+            Connections := Routes_Map.Element (Key => Context);
+         end if;
+
          for Each of Connections loop
             if Each.Caller = Source and Each.RI_Name = US (RI) then
                --  Found the connection in the current context

test/e2es_complete/InterfaceView.aadl

@@ -763,6 +763,49 @@ END Observation_Timeline.others;
 
 END interfaceview::IV::Observation_Timeline;
 
+PACKAGE interfaceview::IV::Function1
+PUBLIC
+
+WITH Taste;
+WITH DataView;
+WITH TASTE_IV_Properties;
+SUBPROGRAM PI_abc
+END PI_abc;
+
+SUBPROGRAM IMPLEMENTATION PI_abc.others
+PROPERTIES
+  Compute_Execution_Time => 0 ms .. 0 ms;
+END PI_abc.others;
+
+SUBPROGRAM RI_RI1
+END RI_RI1;
+
+SUBPROGRAM IMPLEMENTATION RI_RI1.others
+END RI_RI1.others;
+
+SYSTEM Function1
+FEATURES
+  PI_abc : PROVIDES SUBPROGRAM ACCESS interfaceview::IV::Function1::PI_abc.others {
+    Taste::coordinates => "97236 115109";
+    Taste::RCMoperationKind => unprotected;
+    Taste::InterfaceName => "abc";
+  };
+  RI_RI1 : REQUIRES SUBPROGRAM ACCESS interfaceview::IV::Function1::RI_RI1.others {
+    Taste::coordinates => "118404 111581";
+    Taste::RCMoperationKind => any;
+    Taste::InterfaceName => "RI1";
+    Taste::labelInheritance => "true";
+  };
+PROPERTIES
+  Source_Language => (C);
+  Taste::Active_Interfaces => any;
+END Function1;
+
+SYSTEM IMPLEMENTATION Function1.others
+END Function1.others;
+
+END interfaceview::IV::Function1;
+
 PACKAGE interfaceview::IV
 PUBLIC
 
@@ -771,6 +814,7 @@ WITH interfaceview::IV::Geometry_Module;
 WITH interfaceview::IV::Scene_Creation_Module;
 WITH interfaceview::IV::Console;
 WITH interfaceview::IV::Observation_Timeline;
+WITH interfaceview::IV::Function1;
 WITH Taste;
 WITH DataView;
 WITH TASTE_IV_Properties;
@@ -797,6 +841,9 @@ SUBCOMPONENTS
   Observation_Timeline : SYSTEM interfaceview::IV::Observation_Timeline::Observation_Timeline.others {
     Taste::coordinates => "97119 47148 154968 87948";
   };
+  Function1 : SYSTEM interfaceview::IV::Function1::Function1.others {
+    Taste::coordinates => "97236 111581 121340 125102";
+  };
 CONNECTIONS
   Simulation_Manager_PI_Module1_In_Scene_Creation_Module_RI_Module_Out : SUBPROGRAM ACCESS Simulation_Manager.PI_Module1_In -> Scene_Creation_Module.RI_Module_Out {
     Taste::coordinates => "153791 107465 75954 107465 75954 74544";