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--  Iir to ortho translator.
--  Copyright (C) 2002 - 2014 Tristan Gingold
--
--  GHDL 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, or (at your option) any later
--  version.
--
--  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--  02111-1307, USA.

with Errorout; use Errorout;
with Trans.Chap3;
with Trans.Chap6;

procedure Trans.Foreach_Non_Composite (Targ      : Mnode;
                                       Targ_Type : Iir;
                                       Data      : Data_Type)
is
   use Trans.Helpers;

   Type_Info : constant Type_Info_Acc := Get_Info (Targ_Type);
begin
   case Type_Info.Type_Mode is
      when Type_Mode_Scalar =>
         Do_Non_Composite (Targ, Targ_Type, Data);
      when Type_Mode_Unbounded_Array
        | Type_Mode_Array =>
         declare
            Var_Array      : Mnode;
            Var_Base       : Mnode;
            Var_Length     : O_Dnode;
            Var_I          : O_Dnode;
            Label          : O_Snode;
            Sub_Data       : Data_Type;
            Composite_Data : Composite_Data_Type;
         begin
            Open_Temp;
            Var_Array := Stabilize (Targ);
            Var_Length := Create_Temp (Ghdl_Index_Type);
            Var_Base := Stabilize (Chap3.Get_Composite_Base (Var_Array));
            New_Assign_Stmt
              (New_Obj (Var_Length),
               Chap3.Get_Array_Length (Var_Array, Targ_Type));
            Composite_Data :=
              Prepare_Data_Array (Var_Array, Targ_Type, Data);
            if True then
               Var_I := Create_Temp (Ghdl_Index_Type);
            else
               New_Var_Decl
                 (Var_I, Wki_I, O_Storage_Local, Ghdl_Index_Type);
            end if;
            Init_Var (Var_I);
            Start_Loop_Stmt (Label);
            Gen_Exit_When
              (Label, New_Compare_Op (ON_Ge,
                                      New_Value (New_Obj (Var_I)),
                                      New_Value (New_Obj (Var_Length)),
                                      Ghdl_Bool_Type));
            Sub_Data := Update_Data_Array
              (Composite_Data, Targ_Type, Var_I);
            Foreach_Non_Composite
              (Chap3.Index_Base (Var_Base, Targ_Type,
                                 New_Value (New_Obj (Var_I))),
               Get_Element_Subtype (Targ_Type),
               Sub_Data);
            Inc_Var (Var_I);
            Finish_Loop_Stmt (Label);
            Finish_Data_Array (Composite_Data);
            Close_Temp;
         end;
      when Type_Mode_Record
        | Type_Mode_Unbounded_Record =>
         declare
            Var_Record     : Mnode;
            Sub_Data       : Data_Type;
            Composite_Data : Composite_Data_Type;
            List           : Iir_List;
            El             : Iir_Element_Declaration;
         begin
            Open_Temp;
            Var_Record := Stabilize (Targ);
            Composite_Data :=
              Prepare_Data_Record (Var_Record, Targ_Type, Data);
            List := Get_Elements_Declaration_List (Targ_Type);
            for I in Natural loop
               El := Get_Nth_Element (List, I);
               exit when El = Null_Iir;
               Sub_Data := Update_Data_Record (Composite_Data, Targ_Type, El);
               Foreach_Non_Composite
                 (Chap6.Translate_Selected_Element (Var_Record, El),
                  Get_Type (El),
                  Sub_Data);
            end loop;
            Finish_Data_Record (Composite_Data);
            Close_Temp;
         end;
      when others =>
         Error_Kind ("foreach_non_composite/"
                       & Type_Mode_Type'Image (Type_Info.Type_Mode),
                     Targ_Type);
   end case;
end Trans.Foreach_Non_Composite;