File : exp_ch2.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- E X P _ C H 2 --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 1992-2007, 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 -- Expand routines for chapter 2 constructs
27
28 with Types; use Types;
29 package Exp_Ch2 is
30
31 procedure Expand_N_Expanded_Name (N : Node_Id);
32 procedure Expand_N_Identifier (N : Node_Id);
33 procedure Expand_N_Real_Literal (N : Node_Id);
34
35 function Param_Entity (N : Node_Id) return Entity_Id;
36 -- Given an expression N, determines if the expression is a reference
37 -- to a formal (of a subprogram or entry), and if so returns the Id
38 -- of the corresponding formal entity, otherwise returns Empty. The
39 -- reason that this is in Exp_Ch2 is that it has to deal with the case
40 -- where the reference is to an entry formal, and has been expanded
41 -- already. Since Exp_Ch2 is in charge of the expansion, it is best
42 -- suited to knowing how to detect this case. Also handles the case
43 -- of references to renamings of formals.
44
45 end Exp_Ch2;