1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                             S E M _ S C I L                              --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 2009-2010, 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--  This package contains routines involved in the frontend addition and
27--  verification of SCIL nodes.
28
29with Atree; use Atree;
30with Types; use Types;
31
32package Sem_SCIL is
33
34   --  Here would be a good place to document what SCIL is all about ???
35
36   function Check_SCIL_Node (N : Node_Id) return Traverse_Result;
37   --  Process a single node during the tree traversal. Done to verify that
38   --  SCIL nodes decoration fulfill the requirements of the SCIL backend.
39
40   procedure Check_SCIL_Nodes is new Traverse_Proc (Check_SCIL_Node);
41   --  The traversal procedure itself
42
43   function First_Non_SCIL_Node (L : List_Id) return Node_Id;
44   --  Returns the first non-SCIL node of list L
45
46   function Next_Non_SCIL_Node (N : Node_Id) return Node_Id;
47   --  N must be a member of a list. Returns the next non SCIL node in the list
48   --  containing N, or Empty if this is the last non SCIL node in the list.
49
50end Sem_SCIL;
51