File : 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 -- 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
26 with Atree; use Atree;
27 with Checks; use Checks;
28 with Einfo; use Einfo;
29 with Exp_Util; use Exp_Util;
30 with Nmake; use Nmake;
31 with Sinfo; use Sinfo;
32 with Snames; use Snames;
33 with Stand; use Stand;
34 with Tbuild; use Tbuild;
35
36 package 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
70 end Exp_Ch12;