Commit 14e2d66a authored by yoogx's avatar yoogx

* Factor out visit of subcomponents

        For openaadl/ocarina#111
parent b359958f
......@@ -389,6 +389,7 @@ package body Ocarina.Backends.PO_HI_Ada.Activity is
procedure Visit_Process_Instance (E : Node_Id);
procedure Visit_Thread_Instance (E : Node_Id);
procedure Visit_Device_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
procedure Cyclic_Task_Instantiation_Formals
(E : Node_Id;
......@@ -1188,22 +1189,12 @@ package body Ocarina.Backends.PO_HI_Ada.Activity is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AINU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......@@ -1532,6 +1523,7 @@ package body Ocarina.Backends.PO_HI_Ada.Activity is
procedure Visit_Process_Instance (E : Node_Id);
procedure Visit_Thread_Instance (E : Node_Id);
procedure Visit_Device_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Task_Job_Body (E : Node_Id) return Node_Id;
-- Creates the parameterless subprogram body that does the
......@@ -4306,16 +4298,15 @@ package body Ocarina.Backends.PO_HI_Ada.Activity is
procedure Visit_Device_Instance (E : Node_Id) is
Implementation : constant Node_Id := Get_Implementation (E);
S : Node_Id;
begin
if Implementation /= No_Node then
if not AAU.Is_Empty (AAN.Subcomponents (Implementation)) then
S := First_Node (Subcomponents (Implementation));
while Present (S) loop
Visit_Component_Instance (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
-- A device may be "implemented" using an abstract
-- component, representing its driver. We iterate on its
-- subcomponents to attach specific threads associated.
Visit_Subcomponents_Of (Implementation);
end if;
end Visit_Device_Instance;
......@@ -4478,22 +4469,12 @@ package body Ocarina.Backends.PO_HI_Ada.Activity is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AINU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......
......@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2015 ESA & ISAE. --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2017 ESA & ISAE. --
-- --
-- Ocarina is free software; you can redistribute it and/or modify under --
-- terms of the GNU General Public License as published by the Free Soft- --
......@@ -68,6 +68,7 @@ package body Ocarina.Backends.PO_HI_Ada.Deployment is
------------------
package body Package_Spec is
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
procedure Visit_Architecture_Instance (E : Node_Id);
procedure Visit_Component_Instance (E : Node_Id);
......@@ -1410,22 +1411,11 @@ package body Ocarina.Backends.PO_HI_Ada.Deployment is
procedure Visit_System_Instance (E : Node_Id) is
A : constant Node_Id := Map_Distributed_Application (E);
S : Node_Id;
begin
Push_Entity (A);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- A
end Visit_System_Instance;
......
......@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2015 ESA & ISAE. --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2017 ESA & ISAE. --
-- --
-- Ocarina is free software; you can redistribute it and/or modify under --
-- terms of the GNU General Public License as published by the Free Soft- --
......@@ -72,6 +72,8 @@ package body Ocarina.Backends.PO_HI_Ada.Main is
procedure Visit_Thread_Instance (E : Node_Id);
procedure Visit_Device_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
Has_Hybrid_Threads : Boolean := False;
-----------
......@@ -203,7 +205,6 @@ package body Ocarina.Backends.PO_HI_Ada.Main is
(ADN.Deployment_Node (Backend_Node (Identifier (E))));
P : constant Node_Id := ADN.Entity (U);
N : Node_Id;
S : Node_Id;
Transport_API : constant Supported_Transport_APIs :=
Fetch_Transport_API (E);
The_System : constant Node_Id :=
......@@ -232,16 +233,7 @@ package body Ocarina.Backends.PO_HI_Ada.Main is
-- Visit all the subcomponents of the process
if not AINU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
if Has_Hybrid_Threads then
-- Unblock the hybrid task driver
......@@ -321,22 +313,10 @@ package body Ocarina.Backends.PO_HI_Ada.Main is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AINU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......
......@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2015 ESA & ISAE. --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2017 ESA & ISAE. --
-- --
-- Ocarina is free software; you can redistribute it and/or modify under --
-- terms of the GNU General Public License as published by the Free Soft- --
......@@ -107,6 +107,7 @@ package body Ocarina.Backends.PO_HI_Ada.Marshallers is
procedure Visit_Thread_Instance (E : Node_Id);
procedure Visit_Subprogram_Instance (E : Node_Id);
procedure Visit_Data_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Marshall_Spec (E : Node_Id) return Node_Id;
-- Creates a spec for a Marshall procedure for a data type
......@@ -324,7 +325,6 @@ package body Ocarina.Backends.PO_HI_Ada.Marshallers is
ADN.Distributed_Application_Unit
(ADN.Deployment_Node (Backend_Node (Identifier (E))));
P : constant Node_Id := ADN.Entity (U);
S : Node_Id;
begin
Push_Entity (P);
Push_Entity (U);
......@@ -337,16 +337,7 @@ package body Ocarina.Backends.PO_HI_Ada.Marshallers is
-- Visit all the subcomponents of the process
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
-- Unmark all the marked types
......@@ -390,22 +381,12 @@ package body Ocarina.Backends.PO_HI_Ada.Marshallers is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......@@ -502,6 +483,7 @@ package body Ocarina.Backends.PO_HI_Ada.Marshallers is
procedure Visit_Thread_Instance (E : Node_Id);
procedure Visit_Subprogram_Instance (E : Node_Id);
procedure Visit_Data_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Marshall_Implementation (E : Node_Id) return Node_Id;
-- Creates an implementation for a Marshall procedure
......@@ -1005,7 +987,6 @@ package body Ocarina.Backends.PO_HI_Ada.Marshallers is
ADN.Distributed_Application_Unit
(ADN.Deployment_Node (Backend_Node (Identifier (E))));
P : constant Node_Id := ADN.Entity (U);
S : Node_Id;
begin
Push_Entity (P);
Push_Entity (U);
......@@ -1018,16 +999,7 @@ package body Ocarina.Backends.PO_HI_Ada.Marshallers is
-- Visit all the subcomponents of the process
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
-- Unmark all the marked types
......@@ -1071,23 +1043,12 @@ package body Ocarina.Backends.PO_HI_Ada.Marshallers is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......
......@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2015 ESA & ISAE. --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2017 ESA & ISAE. --
-- --
-- Ocarina is free software; you can redistribute it and/or modify under --
-- terms of the GNU General Public License as published by the Free Soft- --
......@@ -77,6 +77,7 @@ package body Ocarina.Backends.PO_HI_Ada.Naming is
procedure Visit_Component_Instance (E : Node_Id);
procedure Visit_System_Instance (E : Node_Id);
procedure Visit_Process_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Added_Internal_Name
(P : Node_Id;
......@@ -573,7 +574,6 @@ package body Ocarina.Backends.PO_HI_Ada.Naming is
procedure Visit_System_Instance (E : Node_Id) is
C : Node_Id;
S : Node_Id;
begin
Push_Entity (Ada_Root);
......@@ -591,16 +591,7 @@ package body Ocarina.Backends.PO_HI_Ada.Naming is
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......
......@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2015 ESA & ISAE. --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2017 ESA & ISAE. --
-- --
-- Ocarina is free software; you can redistribute it and/or modify under --
-- terms of the GNU General Public License as published by the Free Soft- --
......@@ -72,6 +72,7 @@ package body Ocarina.Backends.PO_HI_Ada.Subprograms is
procedure Visit_Subprogram_Instance (E : Node_Id);
procedure Visit_Data_Instance (E : Node_Id);
procedure Visit_Device_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Put_Value_Spec (E : Node_Id) return Node_Id;
function Get_Value_Spec (E : Node_Id) return Node_Id;
......@@ -336,16 +337,7 @@ package body Ocarina.Backends.PO_HI_Ada.Subprograms is
-- Visit all the subcomponents of the process
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
-- Visit all devices attached to the parent system that
-- share the same processor as process E.
......@@ -517,22 +509,12 @@ package body Ocarina.Backends.PO_HI_Ada.Subprograms is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......@@ -585,6 +567,7 @@ package body Ocarina.Backends.PO_HI_Ada.Subprograms is
procedure Visit_Subprogram_Instance (E : Node_Id);
procedure Visit_Data_Instance (E : Node_Id);
procedure Visit_Device_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Put_Value_Body (E : Node_Id) return Node_Id;
function Get_Value_Body (E : Node_Id) return Node_Id;
......@@ -951,16 +934,7 @@ package body Ocarina.Backends.PO_HI_Ada.Subprograms is
-- Visit all the subcomponents of the process
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
-- Visit all devices attached to the parent system that
-- share the same processor as process E.
......@@ -1053,22 +1027,12 @@ package body Ocarina.Backends.PO_HI_Ada.Subprograms is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......
......@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2008-2009 Telecom ParisTech, 2010-2015 ESA & ISAE. --
-- Copyright (C) 2008-2009 Telecom ParisTech, 2010-2017 ESA & ISAE. --
-- --
-- Ocarina is free software; you can redistribute it and/or modify under --
-- terms of the GNU General Public License as published by the Free Soft- --
......@@ -68,6 +68,7 @@ package body Ocarina.Backends.PO_HI_Ada.Transport is
procedure Visit_Component_Instance (E : Node_Id);
procedure Visit_System_Instance (E : Node_Id);
procedure Visit_Process_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Deliver_Spec (E : Node_Id) return Node_Id;
-- Create a subprogram specification corresponding to the
......@@ -243,22 +244,12 @@ package body Ocarina.Backends.PO_HI_Ada.Transport is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......@@ -276,6 +267,7 @@ package body Ocarina.Backends.PO_HI_Ada.Transport is
procedure Visit_System_Instance (E : Node_Id);
procedure Visit_Process_Instance (E : Node_Id);
procedure Visit_Thread_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Internal_Deliver_Spec (E : Node_Id) return Node_Id;
function Internal_Deliver_Body (E : Node_Id) return Node_Id;
......@@ -1266,7 +1258,6 @@ package body Ocarina.Backends.PO_HI_Ada.Transport is
ADN.Distributed_Application_Unit
(ADN.Deployment_Node (Backend_Node (Identifier (E))));
P : constant Node_Id := ADN.Entity (U);
S : Node_Id;
N : Node_Id;
begin
Push_Entity (P);
......@@ -1285,16 +1276,7 @@ package body Ocarina.Backends.PO_HI_Ada.Transport is
-- Visit all the subcomponents of the process
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- U
Pop_Entity; -- P
......@@ -1305,23 +1287,12 @@ package body Ocarina.Backends.PO_HI_Ada.Transport is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......
......@@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2016 ESA & ISAE. --
-- Copyright (C) 2006-2009 Telecom ParisTech, 2010-2017 ESA & ISAE. --
-- --
-- Ocarina is free software; you can redistribute it and/or modify under --
-- terms of the GNU General Public License as published by the Free Soft- --
......@@ -103,6 +103,7 @@ package body Ocarina.Backends.PO_HI_Ada.Types is
procedure Visit_Thread_Instance (E : Node_Id);
procedure Visit_Subprogram_Instance (E : Node_Id);
procedure Visit_Data_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Feature_Spg_Spec (E : Node_Id) return Node_Id;
-- Builds a spec for a protected object procedure from an AADL
......@@ -949,7 +950,6 @@ package body Ocarina.Backends.PO_HI_Ada.Types is
ADN.Distributed_Application_Unit
(ADN.Deployment_Node (Backend_Node (Identifier (E))));
P : constant Node_Id := ADN.Entity (U);
S : Node_Id;
begin
Push_Entity (P);
Push_Entity (U);
......@@ -962,16 +962,7 @@ package body Ocarina.Backends.PO_HI_Ada.Types is
-- Visit all the subcomponents of the process
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
-- Unmark all the marked types
......@@ -1033,22 +1024,12 @@ package body Ocarina.Backends.PO_HI_Ada.Types is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......@@ -1117,6 +1098,7 @@ package body Ocarina.Backends.PO_HI_Ada.Types is
procedure Visit_Thread_Instance (E : Node_Id);
procedure Visit_Subprogram_Instance (E : Node_Id);
procedure Visit_Data_Instance (E : Node_Id);
procedure Visit_Subcomponents_Of is new Visit_Subcomponents_Of_G (Visit);
function Feature_Spg_Body (E : Node_Id; Data : Node_Id) return Node_Id;
-- Builds a body for a protected object procedure from an AADL
......@@ -1422,7 +1404,6 @@ package body Ocarina.Backends.PO_HI_Ada.Types is
ADN.Distributed_Application_Unit
(ADN.Deployment_Node (Backend_Node (Identifier (E))));
P : constant Node_Id := ADN.Entity (U);
S : Node_Id;
begin
Push_Entity (P);
Push_Entity (U);
......@@ -1435,16 +1416,7 @@ package body Ocarina.Backends.PO_HI_Ada.Types is
-- Visit all the subcomponents of the process
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
-- Unmark all the marked types
......@@ -1506,22 +1478,12 @@ package body Ocarina.Backends.PO_HI_Ada.Types is
---------------------------
procedure Visit_System_Instance (E : Node_Id) is
S : Node_Id;
begin
Push_Entity (Ada_Root);
-- Visit all the subcomponents of the system
if not AAU.Is_Empty (Subcomponents (E)) then
S := First_Node (Subcomponents (E));
while Present (S) loop
-- Visit the component instance corresponding to the
-- subcomponent S.
Visit (Corresponding_Instance (S));
S := Next_Node (S);
end loop;
end if;
Visit_Subcomponents_Of (E);
Pop_Entity; -- Ada_Root
end Visit_System_Instance;
......
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