------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Cheddar is a GNU GPL real-time scheduling analysis tool.
-- This program provides services to automatically check schedulability and
-- other performance criteria of real-time architecture models.
--
-- Copyright (C) 2002-2020, Frank Singhoff, Alain Plantec, Jerome Legrand, 
--                          Hai Nam Tran, Stephane Rubini
--
-- The Cheddar project was started in 2002 by 
-- Frank Singhoff, Lab-STICC UMR CNRS 6285, Universite de Bretagne Occidentale
-- 
-- Cheddar has been published in the "Agence de Protection des Programmes/France" in 2008. 
-- Since 2008, Ellidiss technologies also contributes to the development of 
-- Cheddar and provides industrial support.
--
-- The full list of contributors and sponsors can be found in AUTHORS.txt and SPONSORS.txt
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--
--
-- Contact : cheddar@listes.univ-brest.fr
--           
------------------------------------------------------------------------------
-- Last update : 
--    $Rev$
--    $Date$
--    $Author: singhoff $
------------------------------------------------------------------------------
------------------------------------------------------------------------------


with Ada.Text_IO;                       use Ada.Text_IO;
with Ada.Strings.Unbounded;             use Ada.Strings.Unbounded;
with Systems;                           use Systems;
with Initialize_Framework;              use Initialize_Framework;
with Call_Cache_Framework;              use Call_Cache_Framework;
with Cache_Access_Profile_Set;          use Cache_Access_Profile_Set;
with Cache_Access_Profile_Util;         use Cache_Access_Profile_Util;
with Unbounded_Strings;                 use Unbounded_strings;
with Unbounded_Strings;                 use Unbounded_Strings.Strings_Table_Package;
with Unbounded_Strings;                 use Unbounded_Strings.Unbounded_String_List_Package;
with Tasks;                             use Tasks;
with Task_Set;                          use Task_Set;
with Caches;                            use Caches;
with Caches;                            use Caches.Cache_Blocks_Table_Package;
with Cache_Block_Set;                   use Cache_Block_Set;
with Call_Framework;                    use Call_Framework;
with Call_Framework_Interface;          use Call_Framework_Interface;
with Call_Scheduling_Framework;         use Call_Scheduling_Framework;
with Basic_Block_Analysis;                       
with Sets;
with CFG_Nodes;				use CFG_Nodes;
with Basic_Blocks; 			use Basic_Blocks;
with CFG_Nodes;				use CFG_Nodes.CFG_Nodes_Table_Package;
with CFG_Nodes.Extended;		use CFG_Nodes.Extended;
with CFG_Node_Set;			use CFG_Node_Set;
with CFG_Node_Set.Basic_Block_Set;	use CFG_Node_Set.Basic_Block_Set;
with CFG_Edge_Set; 			use CFG_Edge_Set;
with CFG_Edges;				use CFG_Edges.CFG_Edges_Table_Package;
with CFGs;                              use CFGs;
with CFG_Set;                           use CFG_Set;

procedure osate_driver
is
    Sys                          : System;
    Sys_CFG                      : System;
    Project_File_List            : unbounded_string_list;
    Project_File_Dir_List        : unbounded_string_list;
    result                       : Unbounded_String;
    A_Cache_Access_Profile       : Cache_Access_Profile_Ptr;
    A_Task                       : Generic_Task_Ptr;
    My_Iterator                  : Tasks_Iterator;
    
    a_cfg 			 : CFG_Ptr;
begin
    -- Initialize the Cheddar framework
    --
    Call_Framework.initialize (False);

    -- Read the XML project file
    --

    initialize (Project_File_List);
    
    
    -- Read the base system, assume that this part is provided by AADL/Osate
    --
    Systems.Read_From_Xml_File (Sys,
                                Project_File_Dir_List,
                                "input.xml");
    
    -- Option 1 : All cfgs are stored in one file
    --        
    --      Systems.Read_From_Xml_File (Sys_CFG,
    --                                  Project_File_Dir_List,
    --                                  "cfgs.xml");                
    --      Sys.CFGs := Sys_CFG.CFGs;
    
    -- Option 2: CFGs are stored in separate files
    --
    reset_iterator (Sys.Tasks, My_Iterator);
    loop
        current_element (Sys.Tasks, A_Task, My_Iterator);
    
        if (A_Task.cfg_name /= empty_string) then
            Systems.Read_From_Xml_File (Sys_CFG, Project_File_Dir_List, A_Task.cfg_name);
            
            a_cfg := Search_CFG(Sys_CFG.CFGs, a_task.cfg_name);
            Add(Sys.CFGs,a_cfg); 
            
            for i in 0..a_cfg.nodes.Nb_Entries-1 loop
                Add(Sys.CFG_Nodes,a_cfg.nodes.Entries(i));
            end loop;
            for i in 0..a_cfg.edges.Nb_Entries-1 loop
                Add(Sys.CFG_Edges,a_cfg.edges.Entries(i));
            end loop;
        end if;
    
        exit when is_last_element (Sys.Tasks, My_Iterator);
        next_element (Sys.Tasks, My_Iterator);
    end loop;
    
    -- Compute Cache Access Profile
    --
    reset_iterator (Sys.Tasks, My_Iterator);
    loop
        A_Cache_Access_Profile := new Cache_Access_Profile;
        current_element (Sys.Tasks, A_Task, My_Iterator);
        
        if (A_Task.cfg_name /= empty_string) then
            Basic_Block_Analysis.Compute_Cache_Access_Profile(Sys                    => Sys,
                                                              Task_Name              => A_Task.name,
                                                              A_Cache_Access_Profile => A_Cache_Access_Profile);          
        end if;
        
        exit when is_last_element (Sys.Tasks, My_Iterator);
        next_element (Sys.Tasks, My_Iterator);
    end loop;

    Systems.Write_To_Xml_File(A_System  => Sys,
                              File_Name => "output.xml");
    Put_line("=============================================");
    Put_line("Finish write the system model with computed cache access profiles (UCBs/ECBs) to output.xml");
    Put_line("");

end osate_driver;