Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/a-crbltr.ads @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 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 -- -- | |
| 7 -- S p e c -- | |
| 8 -- -- | |
| 9 -- Copyright (C) 2004-2017, Free Software Foundation, Inc. -- | |
| 10 -- -- | |
| 11 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 12 -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 13 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
| 14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
| 15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 16 -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
| 17 -- -- | |
| 18 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 19 -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 20 -- version 3.1, as published by the Free Software Foundation. -- | |
| 21 -- -- | |
| 22 -- You should have received a copy of the GNU General Public License and -- | |
| 23 -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 25 -- <http://www.gnu.org/licenses/>. -- | |
| 26 -- -- | |
| 27 -- This unit was originally developed by Matthew J Heaney. -- | |
| 28 ------------------------------------------------------------------------------ | |
| 29 | |
| 30 -- This package declares the tree type used to implement ordered containers | |
| 31 | |
| 32 with Ada.Containers.Helpers; | |
| 33 | |
| 34 package Ada.Containers.Red_Black_Trees is | |
| 35 pragma Pure; | |
| 36 | |
| 37 type Color_Type is (Red, Black); | |
| 38 | |
| 39 generic | |
| 40 type Node_Type (<>) is limited private; | |
| 41 type Node_Access is access Node_Type; | |
| 42 package Generic_Tree_Types is | |
| 43 | |
| 44 type Tree_Type is tagged record | |
| 45 First : Node_Access := null; | |
| 46 Last : Node_Access := null; | |
| 47 Root : Node_Access := null; | |
| 48 Length : Count_Type := 0; | |
| 49 TC : aliased Helpers.Tamper_Counts; | |
| 50 end record; | |
| 51 | |
| 52 package Implementation is new Helpers.Generic_Implementation; | |
| 53 end Generic_Tree_Types; | |
| 54 | |
| 55 generic | |
| 56 type Node_Type is private; | |
| 57 package Generic_Bounded_Tree_Types is | |
| 58 type Nodes_Type is array (Count_Type range <>) of Node_Type; | |
| 59 | |
| 60 -- Note that objects of type Tree_Type are logically initialized (in the | |
| 61 -- sense that representation invariants of type are satisfied by dint of | |
| 62 -- default initialization), even without the Nodes component also having | |
| 63 -- its own initialization expression. We only initializae the Nodes | |
| 64 -- component here in order to prevent spurious compiler warnings about | |
| 65 -- the container object not being fully initialized. | |
| 66 | |
| 67 type Tree_Type (Capacity : Count_Type) is tagged record | |
| 68 First : Count_Type := 0; | |
| 69 Last : Count_Type := 0; | |
| 70 Root : Count_Type := 0; | |
| 71 Length : Count_Type := 0; | |
| 72 TC : aliased Helpers.Tamper_Counts; | |
| 73 Free : Count_Type'Base := -1; | |
| 74 Nodes : Nodes_Type (1 .. Capacity) := (others => <>); | |
| 75 end record; | |
| 76 | |
| 77 package Implementation is new Helpers.Generic_Implementation; | |
| 78 end Generic_Bounded_Tree_Types; | |
| 79 | |
| 80 end Ada.Containers.Red_Black_Trees; |