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diff --git a/gcc/ada/a-cbmutr.ads b/gcc/ada/a-cbmutr.ads new file mode 100644 index 00000000000..bc6de38b0ae --- /dev/null +++ b/gcc/ada/a-cbmutr.ads @@ -0,0 +1,321 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT LIBRARY COMPONENTS -- +-- -- +-- ADA.CONTAINERS.BOUNDED_MULTIWAY_TREES -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2004-2011, 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.Streams; + +generic + type Element_Type is private; + + with function "=" (Left, Right : Element_Type) return Boolean is <>; + +package Ada.Containers.Bounded_Multiway_Trees is + pragma Pure; + pragma Remote_Types; + + type Tree (Capacity : Count_Type) is tagged private; + pragma Preelaborable_Initialization (Tree); + + type Cursor is private; + pragma Preelaborable_Initialization (Cursor); + + Empty_Tree : constant Tree; + + No_Element : constant Cursor; + + function Equal_Subtree + (Left_Position : Cursor; + Right_Position : Cursor) return Boolean; + + function "=" (Left, Right : Tree) return Boolean; + + function Is_Empty (Container : Tree) return Boolean; + + function Node_Count (Container : Tree) return Count_Type; + + function Subtree_Node_Count (Position : Cursor) return Count_Type; + + function Depth (Position : Cursor) return Count_Type; + + function Is_Root (Position : Cursor) return Boolean; + + function Is_Leaf (Position : Cursor) return Boolean; + + function Root (Container : Tree) return Cursor; + + procedure Clear (Container : in out Tree); + + function Element (Position : Cursor) return Element_Type; + + procedure Replace_Element + (Container : in out Tree; + Position : Cursor; + New_Item : Element_Type); + + procedure Query_Element + (Position : Cursor; + Process : not null access procedure (Element : Element_Type)); + + procedure Update_Element + (Container : in out Tree; + Position : Cursor; + Process : not null access procedure (Element : in out Element_Type)); + + procedure Assign (Target : in out Tree; Source : Tree); + + function Copy (Source : Tree; Capacity : Count_Type := 0) return Tree; + + procedure Move (Target : in out Tree; Source : in out Tree); + + procedure Delete_Leaf + (Container : in out Tree; + Position : in out Cursor); + + procedure Delete_Subtree + (Container : in out Tree; + Position : in out Cursor); + + procedure Swap + (Container : in out Tree; + I, J : Cursor); + + function Find + (Container : Tree; + Item : Element_Type) return Cursor; + + -- This version of the AI: + -- 10-06-02 AI05-0136-1/07 + -- declares Find_In_Subtree with a Container parameter, + -- but this seems incorrect. We need a ruling from the + -- ARG about whether this really was intended. ??? + + function Find_In_Subtree + (Container : Tree; + Item : Element_Type; + Position : Cursor) return Cursor; + + function Ancestor_Find + (Container : Tree; + Item : Element_Type; + Position : Cursor) return Cursor; + + function Contains + (Container : Tree; + Item : Element_Type) return Boolean; + + function Has_Element (Position : Cursor) return Boolean; + + procedure Iterate + (Container : Tree; + Process : not null access procedure (Position : Cursor)); + + procedure Iterate_Subtree + (Position : Cursor; + Process : not null access procedure (Position : Cursor)); + + function Child_Count (Parent : Cursor) return Count_Type; + + function Child_Depth (Parent, Child : Cursor) return Count_Type; + + procedure Insert_Child + (Container : in out Tree; + Parent : Cursor; + Before : Cursor; + New_Item : Element_Type; + Count : Count_Type := 1); + + procedure Insert_Child + (Container : in out Tree; + Parent : Cursor; + Before : Cursor; + New_Item : Element_Type; + Position : out Cursor; + Count : Count_Type := 1); + + procedure Insert_Child + (Container : in out Tree; + Parent : Cursor; + Before : Cursor; + Position : out Cursor; + Count : Count_Type := 1); + + procedure Prepend_Child + (Container : in out Tree; + Parent : Cursor; + New_Item : Element_Type; + Count : Count_Type := 1); + + procedure Append_Child + (Container : in out Tree; + Parent : Cursor; + New_Item : Element_Type; + Count : Count_Type := 1); + + procedure Delete_Children + (Container : in out Tree; + Parent : Cursor); + + procedure Copy_Subtree + (Target : in out Tree; + Parent : Cursor; + Before : Cursor; + Source : Cursor); + + procedure Splice_Subtree + (Target : in out Tree; + Parent : Cursor; + Before : Cursor; + Source : in out Tree; + Position : in out Cursor); + + procedure Splice_Subtree + (Container : in out Tree; + Parent : Cursor; + Before : Cursor; + Position : Cursor); + + procedure Splice_Children + (Target : in out Tree; + Target_Parent : Cursor; + Before : Cursor; + Source : in out Tree; + Source_Parent : Cursor); + + procedure Splice_Children + (Container : in out Tree; + Target_Parent : Cursor; + Before : Cursor; + Source_Parent : Cursor); + + function Parent (Position : Cursor) return Cursor; + + function First_Child (Parent : Cursor) return Cursor; + + function First_Child_Element (Parent : Cursor) return Element_Type; + + function Last_Child (Parent : Cursor) return Cursor; + + function Last_Child_Element (Parent : Cursor) return Element_Type; + + function Next_Sibling (Position : Cursor) return Cursor; + + function Previous_Sibling (Position : Cursor) return Cursor; + + procedure Next_Sibling (Position : in out Cursor); + + procedure Previous_Sibling (Position : in out Cursor); + + -- This version of the AI: + -- 10-06-02 AI05-0136-1/07 + -- declares Iterate_Children this way: + -- + -- procedure Iterate_Children + -- (Container : Tree; + -- Parent : Cursor; + -- Process : not null access procedure (Position : Cursor)); + -- + -- It seems that the Container parameter is there by mistake, but + -- we need an official ruling from the ARG. ??? + + procedure Iterate_Children + (Parent : Cursor; + Process : not null access procedure (Position : Cursor)); + + procedure Reverse_Iterate_Children + (Parent : Cursor; + Process : not null access procedure (Position : Cursor)); + +private + + type Children_Type is record + First : Count_Type'Base; + Last : Count_Type'Base; + end record; + + type Tree_Node_Type is record + Parent : Count_Type'Base; + Prev : Count_Type'Base; + Next : Count_Type'Base; + Children : Children_Type; + end record; + + type Tree_Node_Array is array (Count_Type range <>) of Tree_Node_Type; + type Element_Array is array (Count_Type range <>) of Element_Type; + + type Tree (Capacity : Count_Type) is tagged record + Nodes : Tree_Node_Array (0 .. Capacity) := (others => <>); + Elements : Element_Array (1 .. Capacity) := (others => <>); + Free : Count_Type'Base := -1; + Busy : Integer := 0; + Lock : Integer := 0; + Count : Count_Type := 0; + end record; + + use Ada.Streams; + + procedure Write + (Stream : not null access Root_Stream_Type'Class; + Container : Tree); + + for Tree'Write use Write; + + procedure Read + (Stream : not null access Root_Stream_Type'Class; + Container : out Tree); + + for Tree'Read use Read; + + type Tree_Access is access all Tree; + for Tree_Access'Storage_Size use 0; + + type Cursor is record + Container : Tree_Access; + Node : Count_Type'Base := -1; + end record; + + procedure Write + (Stream : not null access Root_Stream_Type'Class; + Position : Cursor); + + for Cursor'Write use Write; + + procedure Read + (Stream : not null access Root_Stream_Type'Class; + Position : out Cursor); + + for Cursor'Read use Read; + + Empty_Tree : constant Tree := Tree'(Capacity => 0, others => <>); + + No_Element : constant Cursor := Cursor'(others => <>); + +end Ada.Containers.Bounded_Multiway_Trees; |