File : exp_prag.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- E X P _ P R A G --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 1992-2015, 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 pragmas
27
28 with Types; use Types;
29
30 package Exp_Prag is
31
32 procedure Expand_N_Pragma (N : Node_Id);
33
34 procedure Expand_Pragma_Contract_Cases
35 (CCs : Node_Id;
36 Subp_Id : Entity_Id;
37 Decls : List_Id;
38 Stmts : in out List_Id);
39 -- Given pragma Contract_Cases CCs, create the circuitry needed to evaluate
40 -- case guards and trigger consequence expressions. Subp_Id is the related
41 -- subprogram for which the pragma applies. Decls are the declarations of
42 -- Subp_Id's body. All generated code is added to list Stmts. If Stmts is
43 -- No_List on entry, a new list is created.
44
45 procedure Expand_Pragma_Initial_Condition (Spec_Or_Body : Node_Id);
46 -- Generate a runtime check needed to verify the assumption of introduced
47 -- by pragma Initial_Condition. Spec_Or_Body denotes the spec or body of
48 -- the package where the pragma appears. The check is inserted according
49 -- to the following precedence rules:
50 -- 1) If the package has a body with a statement sequence, the check is
51 -- inserted at the end of the statments.
52 -- 2) If the package has a body, the check is inserted at the end of the
53 -- body declarations.
54 -- 3) The check is inserted at the end of the visible declarations.
55
56 end Exp_Prag;