gcc/ada/prj-attr.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                              P R J . A T T R                             --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                            $Revision$
  10 --                                                                          --
  11 --             Copyright (C) 2001 Free Software Foundation, Inc.            --
  12 --                                                                          --
  13 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  14 -- terms of the  GNU General Public License as published  by the Free Soft- --
  15 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  16 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  17 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  18 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  19 -- for  more details.  You should have  received  a copy of the GNU General --
  20 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  21 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  22 -- MA 02111-1307, USA.                                                      --
  23 --                                                                          --
  24 -- GNAT was originally developed  by the GNAT team at  New York University. --
  25 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  26 --                                                                          --
  27 ------------------------------------------------------------------------------
  28
  29 --  This package defines allowed packages and attributes in GNAT project files
  30
  31 with Types; use Types;
  32 with Table;
  33
  34 package Prj.Attr is
  35
  36    --  Define the allowed attributes
  37
  38    --  All these declarations are uncommented, they all need comments ???
  39
  40    Attributes_Initial   : constant := 50;
  41    Attributes_Increment : constant := 50;
  42
  43    Attribute_Node_Low_Bound  : constant := 0;
  44    Attribute_Node_High_Bound : constant := 099_999_999;
  45
  46    type Attribute_Node_Id is
  47      range Attribute_Node_Low_Bound .. Attribute_Node_High_Bound;
  48
  49    First_Attribute_Node_Id : constant Attribute_Node_Id :=
  50                                Attribute_Node_Low_Bound;
  51
  52    Empty_Attribute : constant Attribute_Node_Id :=
  53                        Attribute_Node_Low_Bound;
  54
  55    type Attribute_Kind is
  56      (Single,
  57       Associative_Array,
  58       Case_Insensitive_Associative_Array);
  59
  60    type Attribute_Record is record
  61       Name     : Name_Id;
  62       Kind_1   : Variable_Kind;
  63       Kind_2   : Attribute_Kind;
  64       Next     : Attribute_Node_Id;
  65    end record;
  66
  67    package Attributes is
  68       new Table.Table (Table_Component_Type => Attribute_Record,
  69                        Table_Index_Type     => Attribute_Node_Id,
  70                        Table_Low_Bound      => First_Attribute_Node_Id,
  71                        Table_Initial        => Attributes_Initial,
  72                        Table_Increment      => Attributes_Increment,
  73                        Table_Name           => "Prj.Attr.Attributes");
  74
  75    Attribute_First : constant Attribute_Node_Id := First_Attribute_Node_Id + 1;
  76
  77    --  Define the allowed packages
  78
  79    Packages_Initial   : constant := 10;
  80    Packages_Increment : constant := 10;
  81
  82    Package_Node_Low_Bound  : constant := 0;
  83    Package_Node_High_Bound : constant := 099_999_999;
  84
  85    type Package_Node_Id is
  86      range Package_Node_Low_Bound .. Package_Node_High_Bound;
  87
  88    First_Package_Node_Id : constant Package_Node_Id :=
  89                              Package_Node_Low_Bound;
  90
  91    Empty_Package : constant Package_Node_Id := Package_Node_Low_Bound;
  92
  93    type Package_Record is record
  94       Name            : Name_Id;
  95       First_Attribute : Attribute_Node_Id;
  96    end record;
  97
  98    package Package_Attributes is
  99       new Table.Table (Table_Component_Type => Package_Record,
 100                        Table_Index_Type     => Package_Node_Id,
 101                        Table_Low_Bound      => First_Package_Node_Id,
 102                        Table_Initial        => Packages_Initial,
 103                        Table_Increment      => Packages_Increment,
 104                        Table_Name           => "Prj.Attr.Packages");
 105
 106    Package_First : constant Package_Node_Id := Package_Node_Low_Bound + 1;
 107
 108    procedure Initialize;
 109    --  Initialize the two tables above (Attributes and Package_Attributes).
 110    --  This procedure should be called by Prj.Initialize.
 111
 112 end Prj.Attr;