1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                             E X P _ C H 1 2                              --
6--                                                                          --
7--                                 B o d y                                  --
8--                                                                          --
9--          Copyright (C) 1997-2011, Free Software Foundation, Inc.         --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
17-- for  more details.  You should have  received  a copy of the GNU General --
18-- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
19-- http://www.gnu.org/licenses for a complete copy of the license.          --
20--                                                                          --
21-- GNAT was originally developed  by the GNAT team at  New York University. --
22-- Extensive contributions were provided by Ada Core Technologies Inc.      --
23--                                                                          --
24------------------------------------------------------------------------------
25
26with Atree;    use Atree;
27with Checks;   use Checks;
28with Einfo;    use Einfo;
29with Exp_Util; use Exp_Util;
30with Nmake;    use Nmake;
31with Sinfo;    use Sinfo;
32with Snames;   use Snames;
33with Stand;    use Stand;
34with Tbuild;   use Tbuild;
35
36package body Exp_Ch12 is
37
38   ------------------------------------
39   -- Expand_N_Generic_Instantiation --
40   ------------------------------------
41
42   --  If elaboration entity is defined and this is not an outer level entity,
43   --  we need to generate a check for it here.
44
45   procedure Expand_N_Generic_Instantiation (N : Node_Id) is
46      Loc : constant Source_Ptr := Sloc (N);
47      Ent : constant Entity_Id  := Entity (Name (N));
48
49   begin
50      if Etype (Name (N)) = Any_Type then
51         return;
52      end if;
53
54      if Present (Elaboration_Entity (Ent))
55        and then not Is_Compilation_Unit (Ent)
56        and then not Elaboration_Checks_Suppressed (Ent)
57      then
58         Insert_Action (Instance_Spec (N),
59           Make_Raise_Program_Error (Loc,
60             Condition =>
61               Make_Op_Not (Loc,
62                 Right_Opnd =>
63                   Make_Attribute_Reference (Loc,
64                     Attribute_Name => Name_Elaborated,
65                     Prefix         => New_Occurrence_Of (Ent, Loc))),
66             Reason => PE_Access_Before_Elaboration));
67      end if;
68   end Expand_N_Generic_Instantiation;
69
70end Exp_Ch12;
71