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diff --git a/gcc/ada/a-cohama.ads b/gcc/ada/a-cohama.ads new file mode 100644 index 00000000000..72dd1c2b107 --- /dev/null +++ b/gcc/ada/a-cohama.ads @@ -0,0 +1,193 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT LIBRARY COMPONENTS -- +-- -- +-- ADA.CONTAINERS.HASHED_MAPS -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2004 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 2, 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- This unit was originally developed by Matthew J Heaney. -- +------------------------------------------------------------------------------ + +with Ada.Containers.Hash_Tables; +with Ada.Streams; + +generic + type Key_Type is private; + + type Element_Type is private; + + with function Hash (Key : Key_Type) return Hash_Type; + + with function Equivalent_Keys (Left, Right : Key_Type) return Boolean; + + with function "=" (Left, Right : Element_Type) return Boolean is <>; + +package Ada.Containers.Hashed_Maps is +pragma Preelaborate (Hashed_Maps); + + type Map is tagged private; + + type Cursor is private; + + Empty_Map : constant Map; + + No_Element : constant Cursor; + + function "=" (Left, Right : Map) return Boolean; + + function Length (Container : Map) return Count_Type; + + function Is_Empty (Container : Map) return Boolean; + + procedure Clear (Container : in out Map); + + function Element (Position : Cursor) + return Element_Type; + + procedure Query_Element + (Position : Cursor; + Process : not null access + procedure (Key : Key_Type; Element : Element_Type)); + + procedure Update_Element + (Position : Cursor; + Process : not null access + procedure (Key : Key_Type; Element : in out Element_Type)); + + procedure Replace_Element (Position : Cursor; By : Element_Type); + + procedure Move (Target : in out Map; Source : in out Map); + + procedure Insert + (Container : in out Map; + Key : Key_Type; + New_Item : Element_Type; + Position : out Cursor; + Inserted : out Boolean); + + procedure Insert + (Container : in out Map; + Key : Key_Type; + New_Item : Element_Type); + + procedure Include + (Container : in out Map; + Key : Key_Type; + New_Item : Element_Type); + + procedure Replace + (Container : in out Map; + Key : Key_Type; + New_Item : Element_Type); + + procedure Insert + (Container : in out Map; + Key : Key_Type; + Position : out Cursor; + Inserted : out Boolean); + + procedure Delete (Container : in out Map; Key : Key_Type); + + procedure Exclude (Container : in out Map; Key : Key_Type); + + procedure Delete (Container : in out Map; Position : in out Cursor); + + function Contains (Container : Map; Key : Key_Type) return Boolean; + + function Find (Container : Map; Key : Key_Type) return Cursor; + + function Element (Container : Map; Key : Key_Type) return Element_Type; + + function Capacity (Container : Map) return Count_Type; + + procedure Reserve_Capacity (Container : in out Map; + Capacity : Count_Type); + + function First (Container : Map) return Cursor; + + function Next (Position : Cursor) return Cursor; + + procedure Next (Position : in out Cursor); + + function Has_Element (Position : Cursor) return Boolean; + + function Key (Position : Cursor) return Key_Type; + + function Equivalent_Keys (Left, Right : Cursor) return Boolean; + + function Equivalent_Keys (Left : Cursor; Right : Key_Type) return Boolean; + + function Equivalent_Keys (Left : Key_Type; Right : Cursor) return Boolean; + + procedure Iterate + (Container : Map; + Process : not null access procedure (Position : Cursor)); + +private + + type Node_Type; + type Node_Access is access Node_Type; + + package HT_Types is new Hash_Tables.Generic_Hash_Table_Types (Node_Access); + + use HT_Types; + + type Map is new Hash_Table_Type with null record; + + procedure Adjust (Container : in out Map); + + procedure Finalize (Container : in out Map); + + use Ada.Streams; + + procedure Write + (Stream : access Root_Stream_Type'Class; + Container : Map); + + for Map'Write use Write; + + procedure Read + (Stream : access Root_Stream_Type'Class; + Container : out Map); + + for Map'Read use Read; + + Empty_Map : constant Map := (Hash_Table_Type with null record); + + type Map_Access is access constant Map; + for Map_Access'Storage_Size use 0; + + type Cursor is + record + Container : Map_Access; + Node : Node_Access; + end record; + + No_Element : constant Cursor := (Container => null, Node => null); + +end Ada.Containers.Hashed_Maps; |