Merge pull request #90 from HannaMk/master

Update of AADL-LNT generation

configure.ac

@@ -421,6 +421,7 @@ AC_OUTPUT([
 	resources/runtime/aadl_xml/Makefile
 	resources/runtime/alloy/Makefile
 	resources/runtime/cheddar/Makefile
+	resources/runtime/lnt/Makefile
 	resources/runtime/python/Makefile
 	projects/ocarina.gpr
 	src/main/Makefile

resources/runtime/Makefile.am

-SUBDIRS = cheddar aadl_xml python alloy
+SUBDIRS = cheddar aadl_xml python alloy lnt
 
 @DEBUG_FALSE@DEBUG_FLAG = --disable-debug
 @DEBUG_TRUE@DEBUG_FLAG = --enable-debug

resources/runtime/lnt/LNT_Generic_Process_For_Port_Connections.lnt

+module LNT_Generic_Process_For_Port_Connections (Types) is 
+-- No Behavior Annex
+--  data port --
+   process Data_Port [
+   Input: LNT_Channel_Port, 
+   Output: LNT_Channel_Port] 
+   is 
+      var Data : LNT_Type_Data in
+         Data := EMPTY;
+         loop 
+            select 
+               Input (?Data)
+               [] 
+               Output (Data)
+            end select 
+         end loop
+      end var
+   end process
+   
+--  event port --
+--  for no periodic threads --
+   process Event_Port [
+   Input: LNT_Channel_Port, 
+   Output: LNT_Channel_Port, 
+   Notify: LNT_Channel_Event](
+   Queue_Size: Nat) 
+   is 
+      var 
+         Data : LNT_Type_Data,
+         FIFO : LNT_Type_Data_FIFO,
+         Is_New : bool
+      in 
+         FIFO := {};
+         Data := EMPTY;
+         Is_New := false; 
+         loop 
+            select 
+               Input (?Data); 
+               Is_New := true;
+               if length (FIFO) >= Queue_Size then
+                  FIFO := tail (FIFO)
+               end if;
+               FIFO := append (Data, FIFO)
+               []
+               if (FIFO != {}) then 
+                  Output (Head (FIFO));
+                  FIFO := tail (FIFO)
+               else
+                  Output (EMPTY)
+               end if
+               []
+               if (Is_New) then 
+                  Notify (Incoming_Event); 
+                  Is_New := false
+               else 
+                  Notify (No_Event)
+               end if
+            end select 
+         end loop
+      end var
+   end process
+
+-- for periodic threads
+   process Event_Port_For_Periodic [
+   Input: LNT_Channel_Port, 
+   Output: LNT_Channel_Port](
+   Queue_Size: Nat) 
+   is 
+      var 
+         Data : LNT_Type_Data,
+         FIFO : LNT_Type_Data_FIFO,
+         Is_New : bool
+      in 
+         FIFO := {};
+         Data := EMPTY;
+         Is_New := false; 
+         loop 
+            select 
+               Input (?Data); 
+               Is_New := true;
+               if length (FIFO) >= Queue_Size then
+                  FIFO := tail (FIFO)
+               end if;
+               FIFO := append (Data, FIFO)
+               []
+               if (FIFO != {}) then 
+                  Output (Head (FIFO));
+                  FIFO := tail (FIFO)
+               else
+                  Output (EMPTY)
+               end if
+            end select 
+         end loop
+      end var
+   end process
+end module

resources/runtime/lnt/LNT_Generic_Process_For_Port_Connections_BA.lnt

+module LNT_Generic_Process_For_Port_Connections_BA (BA_Types) is -- With Behavior Annex
+--  data port --
+   process Data_Port [
+   Input: LNT_Channel_Data_Port, 
+   Output: LNT_Channel_Data_Port] 
+   is 
+      var Data : LNT_Type_Data in
+         Data := DATA_INIT;
+         loop 
+            select 
+               Input (?Data)
+               [] 
+               Output (Data)
+            end select 
+         end loop
+      end var
+   end process
+
+--  event port --
+--  for no periodic threads --
+   process Event_Port [
+   Input: LNT_Channel_Event_Port, 
+   Output: LNT_Channel_Event_Port,
+   Notify: LNT_Channel_Event](
+   Queue_Size: Nat) 
+   is 
+      var 
+         Nb_Events : Nat,
+         Is_New : bool         
+      in 
+         Nb_Events := 0; 
+         Is_New := false; 
+         loop 
+            select 
+               Input (true); 
+               Is_New := true;               
+               if (Nb_Events < Queue_Size) then
+                  Nb_Events := Nb_Events + 1
+               end if
+               []
+               if (Nb_Events > 0) then 
+                  Output (true);
+                  Nb_Events := Nb_Events - 1
+               else
+                  Output (false)
+               end if   
+               []
+               if (Is_New) then 
+                  Notify (Incoming_Event); 
+                  Is_New := false
+               else 
+                  Notify (No_Event)
+               end if
+            end select 
+         end loop
+      end var
+   end process
+   
+-- for periodic threads --
+   process Event_Port_For_Periodic [
+   Input: LNT_Channel_Event_Port, 
+   Output: LNT_Channel_Event_Port](
+   Queue_Size: Nat) 
+   is 
+      var 
+         Nb_Events : Nat
+      in 
+         Nb_Events := 0; 
+         loop 
+            select 
+               Input (true); 
+               if (Nb_Events < Queue_Size) then
+                  Nb_Events := Nb_Events + 1
+               end if
+               []
+               if (Nb_Events > 0) then 
+                  Output (true);
+                  Nb_Events := Nb_Events - 1
+               else
+                  Output (false)
+               end if   
+            end select 
+         end loop
+      end var
+   end process
+
+-- event data port
+-- for no periodic threads --
+   process Event_Data_Port_Sporadic [
+   Input: LNT_Channel_Event_Data_Port, 
+   Output: LNT_Channel_Event_Data_Port,
+   Notify: LNT_Channel_Event](
+   Queue_Size: Nat) 
+   is 
+      var 
+         FIFO : LNT_Type_Data_FIFO,
+         Is_New : bool,
+         D : LNT_Type_Data
+      in 
+      
+         FIFO := {};
+         D := DATA_INIT; 
+         Is_New := false;
+         loop 
+            select 
+               Input (?D, true); 
+               Is_New := true;
+               if length (FIFO) >= Queue_Size then
+                  FIFO := tail (FIFO)
+               end if;
+               FIFO := append (D, FIFO)
+               []
+               if (Is_New) then 
+                  Notify (Incoming_Event); 
+                  Is_New := false
+               else 
+                  Notify (No_Event)
+               end if
+               []
+               if (FIFO != {}) then 
+                  Output (Head (FIFO), true);
+                  FIFO := tail (FIFO)
+               else
+                  Output (D,false)
+               end if
+            end select 
+         end loop
+      end var
+   end process
+
+-- for periodic threads --
+   process Event_Data_Port_For_Periodic [
+   Input: LNT_Channel_Event_Data_Port, 
+   Output: LNT_Channel_Event_Data_Port](
+   Queue_Size: Nat) 
+   is 
+      var 
+         FIFO : LNT_Type_Data_FIFO,
+         D : LNT_Type_Data
+      in 
+         FIFO := {};
+         D := DATA_INIT; 
+         loop 
+            select 
+               Input (?D, true); 
+               if length (FIFO) >= Queue_Size then
+                  FIFO := tail (FIFO)
+               end if;
+               FIFO := append (D, FIFO)
+               []
+               if (FIFO != {}) then 
+                  Output (Head (FIFO), true);
+                  FIFO := tail (FIFO)
+               else
+                  Output (D,false)
+               end if
+            end select 
+         end loop
+      end var
+   end process
+end module

resources/runtime/lnt/Makefile.am

+AUTOMAKE_OPTIONS = no-dependencies
+
+LNT_FILES = $(srcdir)/LNT_Generic_Process_For_Port_Connections.lnt	\
+	$(srcdir)/LNT_Generic_Process_For_Port_Connections_BA.lnt
+
+EXTRA_DIST = $(LNT_FILES)
+
+lnt_generic = ${shell $(CYGPATH_U) '$(includedir)/ocarina/runtime/lnt'}
+
+install-data-local:
+	$(INSTALL) -d $(DESTDIR)$(lnt_generic)
+	for f in $(LNT_FILES); do $(INSTALL) -m 444 $$f $(DESTDIR)$(lnt_generic) ; done

src/backends/lnt/ocarina-backends-lnt-components.adb

@@ -756,7 +756,7 @@ package body Ocarina.Backends.Lnt.Components is
      (Defining_Identifier : Node_Id;
       Actual_Gates : List_Id := No_List;
       Actual_Parameters : List_Id := No_List;
-      Is_Sporadic : boolean := false)
+      Is_Not_Periodic : Boolean := false)
      return Node_Id
    is
       pragma Assert (Defining_Identifier /= No_Node);
@@ -766,7 +766,7 @@ package body Ocarina.Backends.Lnt.Components is
       Set_Identifier (N, Defining_Identifier);
       Set_Actual_Gates (N, Actual_Gates);
       Set_Actual_Parameters (N, Actual_Parameters);
-      Set_Is_Sporadic (N, Is_Sporadic);
+      Set_Is_Not_Periodic (N, Is_Not_Periodic);
       return N;
    end Make_Process_Instantiation_Statement;
 
@@ -899,17 +899,21 @@ package body Ocarina.Backends.Lnt.Components is
    ---------------------------
    function Make_Var_Loop_Select (Var_Dec : List_Id;
                                  Out_Loop : List_Id;
-                                In_Select : List_Id)
+                                 In_Select : List_Id;
+                                 With_Select : Boolean := true)
      return Node_Id is
       N : Node_Id;
       N_Loop : Node_Id;
       L_Var : List_Id;
    begin
       L_Var := Out_Loop;
-      N_Loop := Make_Loop_Statement
-        (New_List (Make_Select_Statement (In_Select)));
+      if With_Select then
+         N_Loop := Make_Loop_Statement
+           (New_List (Make_Select_Statement (In_Select)));
+      else
+         N_Loop := Make_Loop_Statement (In_Select);
+      end if;
       Append_Node_To_List (N_Loop, L_Var);
-
       N := Make_Var_Statement (Var_Dec, L_Var);
       return N;
    end Make_Var_Loop_Select;

src/backends/lnt/ocarina-backends-lnt-components.ads

@@ -244,7 +244,7 @@ package Ocarina.Backends.Lnt.Components is
      (Defining_Identifier : Node_Id;
       Actual_Gates : List_Id := No_List;
       Actual_Parameters : List_Id := No_List;
-      Is_Sporadic : boolean := false)
+      Is_Not_Periodic : Boolean := false)
      return Node_Id;
 
    function Make_Communication_Statement
@@ -290,6 +290,7 @@ package Ocarina.Backends.Lnt.Components is
 
    function Make_Var_Loop_Select (Var_Dec : List_Id;
                                  Out_Loop : List_Id;
-                                In_Select : List_Id)
+                                In_Select : List_Id;
+                                With_Select : Boolean := true)
      return Node_Id;
 end Ocarina.Backends.Lnt.Components;

src/backends/lnt/ocarina-backends-lnt-printer.adb

@@ -573,6 +573,16 @@ package body Ocarina.Backends.LNT.Printer is
             L_Write ("and");
          when K_Or =>
             L_Write ("or");
+         when K_Head =>
+            L_Write ("head");
+         when K_Tail =>
+            L_Write ("tail");
+         when K_Append =>
+            L_Write ("append");
+         when K_Length =>
+            L_Write ("length");
+         when K_Reverse =>
+            L_Write ("reverse");
          when others =>
             null;
       end case;

src/backends/lnt/ocarina-backends-lnt-tree_generator.adb

@@ -50,7 +50,7 @@ package body Ocarina.Backends.LNT.Tree_Generator is
 
    procedure Get_N_Thread (Sys : Node_Id;
              Thread_Number : in out Natural;
-             Sporadic_Thread_Number : in out Natural) is
+             Not_Periodic_Thread_Number : in out Natural) is
       Sys_N : Node_Id;
       Proc : Node_Id;
       Proc_N : Node_Id;
@@ -64,7 +64,7 @@ package body Ocarina.Backends.LNT.Tree_Generator is
                if Get_Category_Of_Component (Proc) = CC_System then
                   Get_N_Thread (Proc,
                                 Thread_Number,
-                                Sporadic_Thread_Number);
+                                Not_Periodic_Thread_Number);
                end if;
                if Get_Category_Of_Component (Proc) = CC_Process then
                   if not AINU.Is_Empty (Subcomponents (Proc)) then
@@ -73,11 +73,11 @@ package body Ocarina.Backends.LNT.Tree_Generator is
                         Thr := Corresponding_Instance (Proc_N);
                         if Get_Category_Of_Component (Thr) = CC_Thread then
                            Thread_Number := Thread_Number + 1;
-                           if (Get_Thread_Dispatch_Protocol (Thr) =
-                               Thread_Sporadic)
+                           if (Get_Thread_Dispatch_Protocol (Thr)
+                              /= Thread_Periodic)
                            then
-                              Sporadic_Thread_Number :=
-                                Sporadic_Thread_Number + 1;
+                              Not_Periodic_Thread_Number :=
+                                Not_Periodic_Thread_Number + 1;
                            end if;
                         end if;
                         Proc_N := AIN.Next_Node (Proc_N);

src/backends/lnt/ocarina-backends-lnt-tree_generator.ads

@@ -33,6 +33,6 @@ package Ocarina.Backends.LNT.Tree_Generator is
 
    procedure Get_N_Thread (Sys : Node_Id;
              Thread_Number : in out Natural;
-             Sporadic_Thread_Number : in out Natural);
+             Not_Periodic_Thread_Number : in out Natural);
 
 end Ocarina.Backends.LNT.Tree_Generator;

src/backends/lnt/ocarina-backends-lnt-tree_generator_main.adb

@@ -74,36 +74,13 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
    procedure Visit_Thread_Instance (E : Node_Id);
    procedure Visit_Device_Instance (E : Node_Id);
 
-   function Build_Name_From_Path (Path : List_Id) return Name_Id;
-
    procedure Find_Instance_By_Name (Key : Name_Id; Target : List_Id;
                        Instance : out Node_Id; Index : out Natural;
-                       Is_Sporadic : out boolean);
-   function Is_Sporadic (Index : Natural; Target : List_Id)
-     return boolean;
+                       Is_Not_Periodic : out boolean);
 
    procedure Make_Process_Main;
    function Make_Gate_Identifier (S : Node_Id) return Name_Id;
 
-   function Build_Name_From_Path (Path : List_Id) return Name_Id
-   is
-      N     : Node_Id := AIN.First_Node (Path);
-      First : Boolean := True;
-   begin
-      Set_Str_To_Name_Buffer ("");
-      while Present (N) loop
-         if First then
-            First := False;
-         else
-            Add_Str_To_Name_Buffer ("_");
-         end if;
-         Get_Name_String_And_Append (AIN.Name (AIN.Identifier (AIN.Item (N))));
-         N := AIN.Next_Node (N);
-      end loop;
-
-      return Name_Find;
-   end Build_Name_From_Path;
-
    function Make_Gate_Identifier (S : Node_Id) return Name_Id is
       N_Connection : Node_Id;
       L : List_Id;
@@ -113,47 +90,40 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
          --  port_in thread
          L := Sources (S);
          --  port_out thread, first connection 1-1
-         N_Connection := AIN.Item (AIN.First_Node (L));
-
-         while (AIN.Is_In (N_Connection)) loop
-            L := Sources (N_Connection);
+         if Present (AIN.First_Node (L)) then
             N_Connection := AIN.Item (AIN.First_Node (L));
-         end loop;
-         N_Connection := AIN.Extra_Item (AIN.First_Node (L));
-
-         --  connection Path system
-         Connection := Add_Prefix_To_Name ("RECEIVE_",
-             Build_Name_From_Path (Path (Source (N_Connection))));
-
-         Connection := Add_Suffix_To_Name ("__", Connection);
-
-         Connection := Add_Suffix_To_Name (Get_Name_String (
-             Build_Name_From_Path (Path (Destination (N_Connection)))),
-                       Connection);
-
+            while (AIN.Is_In (N_Connection)) loop
+               L := Sources (N_Connection);
+               if Present (AIN.First_Node (L)) then
+                  N_Connection := AIN.Item (AIN.First_Node (L));
+               end if;
+            end loop;
+            N_Connection := AIN.Extra_Item (AIN.First_Node (L));
+            --  connection identifier at system level
+            Connection := Add_Prefix_To_Name
+             ("RECEIVE_", AIN.Display_Name (
+             AIN.Identifier (N_Connection)));
+         end if;
       elsif (AIN.Is_Out (S)) then
          --  port_in thread
          L := Destinations (S);
          --  port_out thread, first connection 1-1
-         N_Connection := AIN.Item (AIN.First_Node (L));
-
-         while (AIN.Is_Out (N_Connection)) loop
-         --  port_out process
-            L := Destinations (N_Connection);
+         if Present (AIN.First_Node (L)) then
             N_Connection := AIN.Item (AIN.First_Node (L));
-         end loop;
-         --  connection instance system/process
-         N_Connection := AIN.Extra_Item (AIN.First_Node (L));
-
-         Connection := Add_Prefix_To_Name ("SEND_",
-           Build_Name_From_Path (Path (Source (N_Connection))));
-
-         Connection := Add_Suffix_To_Name ("__", Connection);
-
-         Connection := Add_Suffix_To_Name (Get_Name_String (
-               Build_Name_From_Path (Path (Destination (N_Connection)))),
-               Connection);
 
+            while (AIN.Is_Out (N_Connection)) loop
+            --  port_out process
+               L := Destinations (N_Connection);
+               if Present (AIN.First_Node (L)) then
+                  N_Connection := AIN.Item (AIN.First_Node (L));
+               end if;
+            end loop;
+            --  connection instance system/process
+            N_Connection := AIN.Extra_Item (AIN.First_Node (L));
+            Connection := Add_Prefix_To_Name
+             ("SEND_", AIN.Display_Name (
+              AIN.Identifier (N_Connection)));
+         end if;
       end if;
       return Connection;
    end Make_Gate_Identifier;
@@ -167,6 +137,8 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
    --  Main_Hide_Declaration_List : List_Id := No_List;
    Main_Gate_Declaration_List : List_Id := No_List;
    Processor_Gates_List : List_Id := No_List;
+   Processor_Event_Gates_List : List_Id := No_List;
+   Processor_Event_Gate_Declaration_List : List_Id := No_List;
    Main_Interface_Synchronisation_List : List_Id := No_List;
 
    function Generate_LNT_Main (AADL_Tree : Node_Id)
@@ -176,6 +148,9 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
       Processor_Gates_List := New_List;
       Main_Gate_Declaration_List := New_List;
       Main_Interface_Synchronisation_List := New_List;
+      Processor_Event_Gate_Declaration_List := New_List;
+      Processor_Event_Gates_List := New_List;
+      LNT_Processor_Gate_Declaration_List := New_List;
       Visit (AADL_Tree);
       return Module_Node;
    end Generate_LNT_Main;
@@ -214,18 +189,24 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
       end if;
       Definitions_List := New_List;
       Modules_List := New_List (
-                        New_Identifier (
-                          Get_String_Name ("_Types"),
-                          Get_Name_String (System_Name)),
+                        Make_Identifier ("Types"),
                         New_Identifier (
                           Get_String_Name ("_Processor"),
                           Get_Name_String (System_Name)),
                         New_Identifier (
                           Get_String_Name ("_Threads"),
-                          Get_Name_String (System_Name)),
-                        New_Identifier (
-                          Get_String_Name ("_Ports"),
                           Get_Name_String (System_Name)));
+      if BLNu.Is_Empty (LNT_States_List) then
+         BLNu.Append_Node_To_List (
+          Make_Identifier (
+            "LNT_Generic_Process_For_Port_Connections"),
+          Modules_List);
+      else
+         BLNu.Append_Node_To_List (
+          Make_Identifier (
+           "LNT_Generic_Process_For_Port_Connections_BA"),
+          Modules_List);
+      end if;
 
       Predefined_Functions_List := New_List;
       Visit (N);
@@ -272,7 +253,6 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
             S := AIN.Next_Node (S);
          end loop;
       end if;
-
    end Visit_System_Instance;
 
    ----------------------------
@@ -340,7 +320,7 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
                Aux_N_Port_3 := BLNu.Make_Node_Container (N_Port);
 
                BLNu.Append_Node_To_List (Make_Gate_Declaration
-                (Make_Identifier ("LNT_Channel_Data"),
+                (Make_Identifier ("LNT_Channel_Port"),
                  N_Port), L_Gates_Declaration);
 
                BLNu.Append_Node_To_List (Aux_N_Port_1, Device_Gates_List);
@@ -353,8 +333,8 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
 
                   --  port
                   Port_Gates_List := New_List (
-                          Aux_N_Port_2,  --  RECEIVE_
-                          Make_Identifier (N_SEND)); -- SEND_
+                          Make_Identifier (N_SEND),  -- SEND_
+                          Aux_N_Port_2);  --  RECEIVE_
 
                   N_Port := Make_Process_Instantiation_Statement
                            (Make_Identifier ("Data_Port"),
@@ -440,16 +420,20 @@ package body Ocarina.Backends.LNT.Tree_Generator_Main is
       S : Node_Id;
       Ni : Node_Id;
       P : Node_Id;
-
+      Event_Number : Natural := 0;