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------------------------------------------------------------------------------ -- -- -- GNAT LIBRARY COMPONENTS -- -- -- -- ADA.CONTAINERS.INDEFINITE_ORDERED_SETS -- -- -- -- S p e c -- -- -- -- Copyright (C) 2004-2009, Free Software Foundation, Inc. -- -- -- -- This specification is derived from the Ada Reference Manual for use with -- -- GNAT. The copyright notice above, and the license provisions that follow -- -- apply solely to the contents of the part following the private keyword. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- This unit was originally developed by Matthew J Heaney. -- ------------------------------------------------------------------------------ private with Ada.Containers.Red_Black_Trees; private with Ada.Finalization; private with Ada.Streams; generic type Element_Type (<>) is private; with function "<" (Left, Right : Element_Type) return Boolean is <>; with function "=" (Left, Right : Element_Type) return Boolean is <>; package Ada.Containers.Indefinite_Ordered_Sets is pragma Preelaborate; pragma Remote_Types; function Equivalent_Elements (Left, Right : Element_Type) return Boolean; type Set is tagged private; pragma Preelaborable_Initialization (Set); type Cursor is private; pragma Preelaborable_Initialization (Cursor); Empty_Set : constant Set; No_Element : constant Cursor; function "=" (Left, Right : Set) return Boolean; function Equivalent_Sets (Left, Right : Set) return Boolean; function To_Set (New_Item : Element_Type) return Set; function Length (Container : Set) return Count_Type; function Is_Empty (Container : Set) return Boolean; procedure Clear (Container : in out Set); function Element (Position : Cursor) return Element_Type; procedure Replace_Element (Container : in out Set; Position : Cursor; New_Item : Element_Type); procedure Query_Element (Position : Cursor; Process : not null access procedure (Element : Element_Type)); procedure Move (Target : in out Set; Source : in out Set); procedure Insert (Container : in out Set; New_Item : Element_Type; Position : out Cursor; Inserted : out Boolean); procedure Insert (Container : in out Set; New_Item : Element_Type); procedure Include (Container : in out Set; New_Item : Element_Type); procedure Replace (Container : in out Set; New_Item : Element_Type); procedure Exclude (Container : in out Set; Item : Element_Type); procedure Delete (Container : in out Set; Item : Element_Type); procedure Delete (Container : in out Set; Position : in out Cursor); procedure Delete_First (Container : in out Set); procedure Delete_Last (Container : in out Set); procedure Union (Target : in out Set; Source : Set); function Union (Left, Right : Set) return Set; function "or" (Left, Right : Set) return Set renames Union; procedure Intersection (Target : in out Set; Source : Set); function Intersection (Left, Right : Set) return Set; function "and" (Left, Right : Set) return Set renames Intersection; procedure Difference (Target : in out Set; Source : Set); function Difference (Left, Right : Set) return Set; function "-" (Left, Right : Set) return Set renames Difference; procedure Symmetric_Difference (Target : in out Set; Source : Set); function Symmetric_Difference (Left, Right : Set) return Set; function "xor" (Left, Right : Set) return Set renames Symmetric_Difference; function Overlap (Left, Right : Set) return Boolean; function Is_Subset (Subset : Set; Of_Set : Set) return Boolean; function First (Container : Set) return Cursor; function First_Element (Container : Set) return Element_Type; function Last (Container : Set) return Cursor; function Last_Element (Container : Set) return Element_Type; function Next (Position : Cursor) return Cursor; procedure Next (Position : in out Cursor); function Previous (Position : Cursor) return Cursor; procedure Previous (Position : in out Cursor); function Find (Container : Set; Item : Element_Type) return Cursor; function Floor (Container : Set; Item : Element_Type) return Cursor; function Ceiling (Container : Set; Item : Element_Type) return Cursor; function Contains (Container : Set; Item : Element_Type) return Boolean; function Has_Element (Position : Cursor) return Boolean; function "<" (Left, Right : Cursor) return Boolean; function ">" (Left, Right : Cursor) return Boolean; function "<" (Left : Cursor; Right : Element_Type) return Boolean; function ">" (Left : Cursor; Right : Element_Type) return Boolean; function "<" (Left : Element_Type; Right : Cursor) return Boolean; function ">" (Left : Element_Type; Right : Cursor) return Boolean; procedure Iterate (Container : Set; Process : not null access procedure (Position : Cursor)); procedure Reverse_Iterate (Container : Set; Process : not null access procedure (Position : Cursor)); generic type Key_Type (<>) is private; with function Key (Element : Element_Type) return Key_Type; with function "<" (Left, Right : Key_Type) return Boolean is <>; package Generic_Keys is function Equivalent_Keys (Left, Right : Key_Type) return Boolean; function Key (Position : Cursor) return Key_Type; function Element (Container : Set; Key : Key_Type) return Element_Type; procedure Replace (Container : in out Set; Key : Key_Type; New_Item : Element_Type); procedure Exclude (Container : in out Set; Key : Key_Type); procedure Delete (Container : in out Set; Key : Key_Type); function Find (Container : Set; Key : Key_Type) return Cursor; function Floor (Container : Set; Key : Key_Type) return Cursor; function Ceiling (Container : Set; Key : Key_Type) return Cursor; function Contains (Container : Set; Key : Key_Type) return Boolean; procedure Update_Element_Preserving_Key (Container : in out Set; Position : Cursor; Process : not null access procedure (Element : in out Element_Type)); end Generic_Keys; private pragma Inline (Next); pragma Inline (Previous); type Node_Type; type Node_Access is access Node_Type; type Element_Access is access Element_Type; type Node_Type is limited record Parent : Node_Access; Left : Node_Access; Right : Node_Access; Color : Red_Black_Trees.Color_Type := Red_Black_Trees.Red; Element : Element_Access; end record; package Tree_Types is new Red_Black_Trees.Generic_Tree_Types (Node_Type, Node_Access); type Set is new Ada.Finalization.Controlled with record Tree : Tree_Types.Tree_Type; end record; overriding procedure Adjust (Container : in out Set); overriding procedure Finalize (Container : in out Set) renames Clear; use Red_Black_Trees; use Tree_Types; use Ada.Finalization; use Ada.Streams; type Set_Access is access all Set; for Set_Access'Storage_Size use 0; type Cursor is record Container : Set_Access; Node : Node_Access; end record; procedure Write (Stream : not null access Root_Stream_Type'Class; Item : Cursor); for Cursor'Write use Write; procedure Read (Stream : not null access Root_Stream_Type'Class; Item : out Cursor); for Cursor'Read use Read; No_Element : constant Cursor := Cursor'(null, null); procedure Write (Stream : not null access Root_Stream_Type'Class; Container : Set); for Set'Write use Write; procedure Read (Stream : not null access Root_Stream_Type'Class; Container : out Set); for Set'Read use Read; Empty_Set : constant Set := (Controlled with Tree => (First => null, Last => null, Root => null, Length => 0, Busy => 0, Lock => 0)); end Ada.Containers.Indefinite_Ordered_Sets;
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