gcc/ada/sem_aux.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                              S E M _ A U X                               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2008, 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 -- As a special exception,  if other files  instantiate  generics from this --
  22 -- unit, or you link  this unit with other files  to produce an executable, --
  23 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  24 -- covered  by the  GNU  General  Public  License.  This exception does not --
  25 -- however invalidate  any other reasons why  the executable file  might be --
  26 -- covered by the  GNU Public License.                                      --
  27 --                                                                          --
  28 -- GNAT was originally developed  by the GNAT team at  New York University. --
  29 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  30 --                                                                          --
  31 ------------------------------------------------------------------------------
  32
  33 --  Package containing utility procedures used throughout the compiler,
  34 --  and also by ASIS so dependencies are limited to ASIS included packages.
  35
  36 --  Note: contents are minimal for now, the intent is to move stuff from
  37 --  Sem_Util that meets the ASIS dependency requirements, and also stuff
  38 --  from Einfo, where Einfo had excessive semantic knowledge of the tree.
  39
  40 with Alloc;   use Alloc;
  41 with Table;
  42 with Types;   use Types;
  43
  44 package Sem_Aux is
  45
  46    --------------------------------
  47    -- Obsolescent Warnings Table --
  48    --------------------------------
  49
  50    --  This table records entities for which a pragma Obsolescent with a
  51    --  message argument has been processed.
  52
  53    type OWT_Record is record
  54       Ent : Entity_Id;
  55       --  The entity to which the pragma applies
  56
  57       Msg : String_Id;
  58       --  The string containing the message
  59    end record;
  60
  61    package Obsolescent_Warnings is new Table.Table (
  62      Table_Component_Type => OWT_Record,
  63      Table_Index_Type     => Int,
  64      Table_Low_Bound      => 0,
  65      Table_Initial        => Alloc.Obsolescent_Warnings_Initial,
  66      Table_Increment      => Alloc.Obsolescent_Warnings_Increment,
  67      Table_Name           => "Obsolescent_Warnings");
  68
  69    -----------------
  70    -- Subprograms --
  71    -----------------
  72
  73    procedure Initialize;
  74    --  Called at the start of compilation of each new main source file to
  75    --  initialize the allocation of the Obsolescent_Warnings table. Note that
  76    --  Initialize must not be called if Tree_Read is used.
  77
  78    procedure Tree_Read;
  79    --  Initializes internal tables from current tree file using the relevant
  80    --  Table.Tree_Read routines.
  81
  82    procedure Tree_Write;
  83    --  Writes out internal tables to current tree file using the relevant
  84    --  Table.Tree_Write routines.
  85
  86 end Sem_Aux;