aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.8.3/gcc/ada/a-rbtgbo.ads
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.8.3/gcc/ada/a-rbtgbo.ads')
-rw-r--r--gcc-4.8.3/gcc/ada/a-rbtgbo.ads155
1 files changed, 155 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/ada/a-rbtgbo.ads b/gcc-4.8.3/gcc/ada/a-rbtgbo.ads
new file mode 100644
index 000000000..b6aae737f
--- /dev/null
+++ b/gcc-4.8.3/gcc/ada/a-rbtgbo.ads
@@ -0,0 +1,155 @@
+------------------------------------------------------------------------------
+-- --
+-- GNAT LIBRARY COMPONENTS --
+-- --
+-- ADA.CONTAINERS.RED_BLACK_TREES.GENERIC_BOUNDED_OPERATIONS --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 2004-2010, Free Software Foundation, Inc. --
+-- --
+-- 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. --
+------------------------------------------------------------------------------
+
+-- Tree_Type is used to implement the ordered containers. This package
+-- declares the tree operations that do not depend on keys.
+
+with Ada.Streams; use Ada.Streams;
+
+generic
+ with package Tree_Types is new Generic_Bounded_Tree_Types (<>);
+ use Tree_Types;
+
+ with function Parent (Node : Node_Type) return Count_Type is <>;
+
+ with procedure Set_Parent
+ (Node : in out Node_Type;
+ Parent : Count_Type) is <>;
+
+ with function Left (Node : Node_Type) return Count_Type is <>;
+
+ with procedure Set_Left
+ (Node : in out Node_Type;
+ Left : Count_Type) is <>;
+
+ with function Right (Node : Node_Type) return Count_Type is <>;
+
+ with procedure Set_Right
+ (Node : in out Node_Type;
+ Right : Count_Type) is <>;
+
+ with function Color (Node : Node_Type) return Color_Type is <>;
+
+ with procedure Set_Color
+ (Node : in out Node_Type;
+ Color : Color_Type) is <>;
+
+package Ada.Containers.Red_Black_Trees.Generic_Bounded_Operations is
+ pragma Pure;
+
+ function Min (Tree : Tree_Type'Class; Node : Count_Type) return Count_Type;
+ -- Returns the smallest-valued node of the subtree rooted at Node
+
+ function Max (Tree : Tree_Type'Class; Node : Count_Type) return Count_Type;
+ -- Returns the largest-valued node of the subtree rooted at Node
+
+ function Vet (Tree : Tree_Type'Class; Index : Count_Type) return Boolean;
+ -- Inspects Node to determine (to the extent possible) whether
+ -- the node is valid; used to detect if the node is dangling.
+
+ function Next
+ (Tree : Tree_Type'Class;
+ Node : Count_Type) return Count_Type;
+ -- Returns the smallest node greater than Node
+
+ function Previous
+ (Tree : Tree_Type'Class;
+ Node : Count_Type) return Count_Type;
+ -- Returns the largest node less than Node
+
+ generic
+ with function Is_Equal (L, R : Node_Type) return Boolean;
+ function Generic_Equal (Left, Right : Tree_Type'Class) return Boolean;
+ -- Uses Is_Equal to perform a node-by-node comparison of the
+ -- Left and Right trees; processing stops as soon as the first
+ -- non-equal node is found.
+
+ procedure Delete_Node_Sans_Free
+ (Tree : in out Tree_Type'Class; Node : Count_Type);
+ -- Removes Node from Tree without deallocating the node. If Tree
+ -- is busy then Program_Error is raised.
+
+ procedure Clear_Tree (Tree : in out Tree_Type'Class);
+ -- Clears Tree by deallocating all of its nodes. If Tree is busy then
+ -- Program_Error is raised.
+
+ generic
+ with procedure Process (Node : Count_Type) is <>;
+ procedure Generic_Iteration (Tree : Tree_Type'Class);
+ -- Calls Process for each node in Tree, in order from smallest-valued
+ -- node to largest-valued node.
+
+ generic
+ with procedure Process (Node : Count_Type) is <>;
+ procedure Generic_Reverse_Iteration (Tree : Tree_Type'Class);
+ -- Calls Process for each node in Tree, in order from largest-valued
+ -- node to smallest-valued node.
+
+ generic
+ with procedure Write_Node
+ (Stream : not null access Root_Stream_Type'Class;
+ Node : Node_Type);
+ procedure Generic_Write
+ (Stream : not null access Root_Stream_Type'Class;
+ Tree : Tree_Type'Class);
+ -- Used to implement stream attribute T'Write. Generic_Write
+ -- first writes the number of nodes into Stream, then calls
+ -- Write_Node for each node in Tree.
+
+ generic
+ with procedure Allocate
+ (Tree : in out Tree_Type'Class;
+ Node : out Count_Type);
+ procedure Generic_Read
+ (Stream : not null access Root_Stream_Type'Class;
+ Tree : in out Tree_Type'Class);
+ -- Used to implement stream attribute T'Read. Generic_Read
+ -- first clears Tree. It then reads the number of nodes out of
+ -- Stream, and calls Read_Node for each node in Stream.
+
+ procedure Rebalance_For_Insert
+ (Tree : in out Tree_Type'Class;
+ Node : Count_Type);
+ -- This rebalances Tree to complete the insertion of Node (which
+ -- must already be linked in at its proper insertion position).
+
+ generic
+ with procedure Set_Element (Node : in out Node_Type);
+ procedure Generic_Allocate
+ (Tree : in out Tree_Type'Class;
+ Node : out Count_Type);
+ -- Claim a node from the free store. Generic_Allocate first
+ -- calls Set_Element on the potential node, and then returns
+ -- the node's index as the value of the Node parameter.
+
+ procedure Free (Tree : in out Tree_Type'Class; X : Count_Type);
+ -- Return a node back to the free store, from where it had
+ -- been previously claimed via Generic_Allocate.
+
+end Ada.Containers.Red_Black_Trees.Generic_Bounded_Operations;