gcc/ada/a-crbtgo.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT LIBRARY COMPONENTS                          --
   4 --                                                                          --
   5 --        A D A . C O N T A I N E R S . R E D _ B L A C K _ T R E E S .     --
   6 --                    G E N E R I C _ O P E R A T I O N S                   --
   7 --                                                                          --
   8 --                                 S p e c                                  --
   9 --                                                                          --
  10 --          Copyright (C) 2004-2005, Free Software Foundation, Inc.         --
  11 --                                                                          --
  12 -- This specification is derived from the Ada Reference Manual for use with --
  13 -- GNAT. The copyright notice above, and the license provisions that follow --
  14 -- apply solely to the  contents of the part following the private keyword. --
  15 --                                                                          --
  16 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  17 -- terms of the  GNU General Public License as published  by the Free Soft- --
  18 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  19 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  20 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  21 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  22 -- for  more details.  You should have  received  a copy of the GNU General --
  23 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  24 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  25 -- Boston, MA 02110-1301, USA.                                              --
  26 --                                                                          --
  27 -- As a special exception,  if other files  instantiate  generics from this --
  28 -- unit, or you link  this unit with other files  to produce an executable, --
  29 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  30 -- covered  by the  GNU  General  Public  License.  This exception does not --
  31 -- however invalidate  any other reasons why  the executable file  might be --
  32 -- covered by the  GNU Public License.                                      --
  33 --                                                                          --
  34 -- This unit was originally developed by Matthew J Heaney.                  --
  35 ------------------------------------------------------------------------------
  36
  37 with Ada.Streams; use Ada.Streams;
  38
  39 generic
  40    with package Tree_Types is new Generic_Tree_Types (<>);
  41    use Tree_Types;
  42
  43    with function  Parent (Node : Node_Access) return Node_Access is <>;
  44    with procedure Set_Parent (Node : Node_Access; Parent : Node_Access) is <>;
  45    with function  Left (Node : Node_Access) return Node_Access is <>;
  46    with procedure Set_Left (Node : Node_Access; Left : Node_Access) is <>;
  47    with function  Right (Node : Node_Access) return Node_Access is <>;
  48    with procedure Set_Right (Node : Node_Access; Right : Node_Access) is <>;
  49    with function  Color (Node : Node_Access) return Color_Type is <>;
  50    with procedure Set_Color (Node : Node_Access; Color : Color_Type) is <>;
  51
  52 package Ada.Containers.Red_Black_Trees.Generic_Operations is
  53    pragma Pure;
  54
  55    function Min (Node : Node_Access) return Node_Access;
  56
  57    function Max (Node : Node_Access) return Node_Access;
  58
  59    --  NOTE: The Check_Invariant operation was used during early
  60    --  development of the red-black tree. Now that the tree type
  61    --  implementation has matured, we don't really need Check_Invariant
  62    --  anymore.
  63
  64    --  procedure Check_Invariant (Tree : Tree_Type);
  65
  66    function Vet (Tree : Tree_Type; Node : Node_Access) return Boolean;
  67
  68    function Next (Node : Node_Access) return Node_Access;
  69
  70    function Previous (Node : Node_Access) return Node_Access;
  71
  72    generic
  73       with function Is_Equal (L, R : Node_Access) return Boolean;
  74    function Generic_Equal (Left, Right : Tree_Type) return Boolean;
  75
  76    procedure Delete_Node_Sans_Free
  77      (Tree : in out Tree_Type;
  78       Node : Node_Access);
  79
  80    generic
  81       with procedure Free (X : in out Node_Access);
  82    procedure Generic_Delete_Tree (X : in out Node_Access);
  83
  84    generic
  85       with function Copy_Node (Source : Node_Access) return Node_Access;
  86       with procedure Delete_Tree (X : in out Node_Access);
  87    function Generic_Copy_Tree (Source_Root : Node_Access) return Node_Access;
  88
  89    generic
  90       with function Copy_Tree (Root : Node_Access) return Node_Access;
  91    procedure Generic_Adjust (Tree : in out Tree_Type);
  92
  93    generic
  94       with procedure Delete_Tree (X : in out Node_Access);
  95    procedure Generic_Clear (Tree : in out Tree_Type);
  96
  97    generic
  98       with procedure Clear (Tree : in out Tree_Type);
  99    procedure Generic_Move (Target, Source : in out Tree_Type);
 100
 101    generic
 102       with procedure Process (Node : Node_Access) is <>;
 103    procedure Generic_Iteration (Tree : Tree_Type);
 104
 105    generic
 106       with procedure Process (Node : Node_Access) is <>;
 107    procedure Generic_Reverse_Iteration (Tree : Tree_Type);
 108
 109    generic
 110       with procedure Write_Node
 111         (Stream : access Root_Stream_Type'Class;
 112          Node   : Node_Access);
 113    procedure Generic_Write
 114      (Stream : access Root_Stream_Type'Class;
 115       Tree   : Tree_Type);
 116
 117    generic
 118       with procedure Clear (Tree : in out Tree_Type);
 119       with function Read_Node
 120         (Stream : access Root_Stream_Type'Class) return Node_Access;
 121    procedure Generic_Read
 122      (Stream : access Root_Stream_Type'Class;
 123       Tree   : in out Tree_Type);
 124
 125    procedure Rebalance_For_Insert
 126      (Tree : in out Tree_Type;
 127       Node : Node_Access);
 128
 129 end Ada.Containers.Red_Black_Trees.Generic_Operations;