gcc/ada/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;