gcc/ada/exp_ch12.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             E X P _ C H 1 2                              --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --                                                                          --
  10 --          Copyright (C) 1997-2002 Free Software Foundation, Inc.          --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- GNAT was originally developed  by the GNAT team at  New York University. --
  24 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  25 --                                                                          --
  26 ------------------------------------------------------------------------------
  27
  28 with Atree;    use Atree;
  29 with Checks;   use Checks;
  30 with Einfo;    use Einfo;
  31 with Exp_Util; use Exp_Util;
  32 with Nmake;    use Nmake;
  33 with Sinfo;    use Sinfo;
  34 with Stand;    use Stand;
  35 with Tbuild;   use Tbuild;
  36
  37 package body Exp_Ch12 is
  38
  39    ------------------------------------
  40    -- Expand_N_Generic_Instantiation --
  41    ------------------------------------
  42
  43    --  If elaboration entity is defined and this is not an outer level entity,
  44    --  we need to generate a check for it here.
  45
  46    procedure Expand_N_Generic_Instantiation (N : Node_Id) is
  47       Loc : constant Source_Ptr := Sloc (N);
  48       Ent : constant Entity_Id  := Entity (Name (N));
  49
  50    begin
  51       if Etype (Name (N)) = Any_Type then
  52          return;
  53       end if;
  54
  55       if Present (Elaboration_Entity (Ent))
  56         and then not Is_Compilation_Unit (Ent)
  57         and then not Elaboration_Checks_Suppressed (Ent)
  58       then
  59          Insert_Action (Instance_Spec (N),
  60            Make_Raise_Program_Error (Loc,
  61              Condition =>
  62                Make_Op_Not (Loc,
  63                  Right_Opnd =>
  64                    New_Occurrence_Of (Elaboration_Entity (Ent), Loc)),
  65              Reason => PE_Access_Before_Elaboration));
  66       end if;
  67    end Expand_N_Generic_Instantiation;
  68
  69 end Exp_Ch12;