gcc/ada/a-coinve.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT LIBRARY COMPONENTS                          --
   4 --                                                                          --
   5 --    A D A . C O N T A I N E R S . I N D E F I N I T E _ V E C T O R S     --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2004-2011, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- This specification is derived from the Ada Reference Manual for use with --
  12 -- GNAT. The copyright notice above, and the license provisions that follow --
  13 -- apply solely to the  contents of the part following the private keyword. --
  14 --                                                                          --
  15 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  16 -- terms of the  GNU General Public License as published  by the Free Soft- --
  17 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  18 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  19 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  20 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  21 --                                                                          --
  22 -- As a special exception under Section 7 of GPL version 3, you are granted --
  23 -- additional permissions described in the GCC Runtime Library Exception,   --
  24 -- version 3.1, as published by the Free Software Foundation.               --
  25 --                                                                          --
  26 -- You should have received a copy of the GNU General Public License and    --
  27 -- a copy of the GCC Runtime Library Exception along with this program;     --
  28 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  29 -- <http://www.gnu.org/licenses/>.                                          --
  30 --                                                                          --
  31 -- This unit was originally developed by Matthew J Heaney.                  --
  32 ------------------------------------------------------------------------------
  33
  34 private with Ada.Finalization;
  35
  36 with Ada.Streams; use Ada.Streams;
  37 with Ada.Iterator_Interfaces;
  38
  39 generic
  40    type Index_Type is range <>;
  41    type Element_Type (<>) is private;
  42
  43    with function "=" (Left, Right : Element_Type) return Boolean is <>;
  44
  45 package Ada.Containers.Indefinite_Vectors is
  46    pragma Preelaborate;
  47    pragma Remote_Types;
  48
  49    subtype Extended_Index is Index_Type'Base
  50      range Index_Type'First - 1 ..
  51            Index_Type'Min (Index_Type'Base'Last - 1, Index_Type'Last) + 1;
  52
  53    No_Index : constant Extended_Index := Extended_Index'First;
  54
  55    type Vector is tagged private
  56    with
  57      Constant_Indexing => Constant_Reference,
  58      Variable_Indexing => Reference,
  59      Default_Iterator  => Iterate,
  60      Iterator_Element  => Element_Type;
  61
  62    pragma Preelaborable_Initialization (Vector);
  63
  64    type Cursor is private;
  65    pragma Preelaborable_Initialization (Cursor);
  66
  67    Empty_Vector : constant Vector;
  68
  69    No_Element : constant Cursor;
  70    function Has_Element (Position : Cursor) return Boolean;
  71
  72    procedure Read
  73      (Stream   : not null access Root_Stream_Type'Class;
  74       Position : out Cursor);
  75
  76    for Cursor'Read use Read;
  77
  78    procedure Write
  79      (Stream   : not null access Root_Stream_Type'Class;
  80       Position : Cursor);
  81
  82    for Cursor'Write use Write;
  83
  84    package Vector_Iterator_Interfaces is new
  85      Ada.Iterator_Interfaces (Cursor, Has_Element);
  86
  87    overriding function "=" (Left, Right : Vector) return Boolean;
  88
  89    function To_Vector (Length : Count_Type) return Vector;
  90
  91    function To_Vector
  92      (New_Item : Element_Type;
  93       Length   : Count_Type) return Vector;
  94
  95    function "&" (Left, Right : Vector) return Vector;
  96
  97    function "&" (Left : Vector; Right : Element_Type) return Vector;
  98
  99    function "&" (Left : Element_Type; Right : Vector) return Vector;
 100
 101    function "&" (Left, Right : Element_Type) return Vector;
 102
 103    function Capacity (Container : Vector) return Count_Type;
 104
 105    procedure Reserve_Capacity
 106      (Container : in out Vector;
 107       Capacity  : Count_Type);
 108
 109    function Length (Container : Vector) return Count_Type;
 110
 111    procedure Set_Length
 112      (Container : in out Vector;
 113       Length    : Count_Type);
 114
 115    function Is_Empty (Container : Vector) return Boolean;
 116
 117    procedure Clear (Container : in out Vector);
 118
 119    type Constant_Reference_Type
 120       (Element : not null access constant Element_Type) is private
 121    with
 122       Implicit_Dereference => Element;
 123
 124    procedure Write
 125      (Stream : not null access Root_Stream_Type'Class;
 126       Item   : Constant_Reference_Type);
 127
 128    for Constant_Reference_Type'Write use Write;
 129
 130    procedure Read
 131      (Stream : not null access Root_Stream_Type'Class;
 132       Item   : out Constant_Reference_Type);
 133
 134    for Constant_Reference_Type'Read use Read;
 135
 136    type Reference_Type (Element : not null access Element_Type) is private
 137    with
 138       Implicit_Dereference => Element;
 139
 140    procedure Write
 141      (Stream : not null access Root_Stream_Type'Class;
 142       Item   : Reference_Type);
 143
 144    for Reference_Type'Write use Write;
 145
 146    procedure Read
 147      (Stream : not null access Root_Stream_Type'Class;
 148       Item   : out Reference_Type);
 149
 150    for Reference_Type'Read use Read;
 151
 152    function Constant_Reference
 153      (Container : Vector; Position : Cursor)    --  SHOULD BE ALIASED
 154    return Constant_Reference_Type;
 155
 156    function Constant_Reference
 157      (Container : Vector; Position : Index_Type)
 158    return Constant_Reference_Type;
 159
 160    function Reference (Container : Vector; Position : Cursor)
 161    return Reference_Type;
 162
 163    function Reference (Container : Vector; Position : Index_Type)
 164    return Reference_Type;
 165
 166    function To_Cursor
 167      (Container : Vector;
 168       Index     : Extended_Index) return Cursor;
 169
 170    function To_Index (Position : Cursor) return Extended_Index;
 171
 172    function Element
 173      (Container : Vector;
 174       Index     : Index_Type) return Element_Type;
 175
 176    function Element (Position : Cursor) return Element_Type;
 177
 178    procedure Replace_Element
 179      (Container : in out Vector;
 180       Index     : Index_Type;
 181       New_Item  : Element_Type);
 182
 183    procedure Replace_Element
 184      (Container : in out Vector;
 185       Position  : Cursor;
 186       New_Item  : Element_Type);
 187
 188    procedure Query_Element
 189      (Container : Vector;
 190       Index     : Index_Type;
 191       Process   : not null access procedure (Element : Element_Type));
 192
 193    procedure Query_Element
 194      (Position : Cursor;
 195       Process  : not null access procedure (Element : Element_Type));
 196
 197    procedure Update_Element
 198      (Container : in out Vector;
 199       Index     : Index_Type;
 200       Process   : not null access procedure (Element : in out Element_Type));
 201
 202    procedure Update_Element
 203      (Container : in out Vector;
 204       Position  : Cursor;
 205       Process   : not null access procedure (Element : in out Element_Type));
 206
 207    procedure Assign (Target : in out Vector; Source : Vector);
 208
 209    function Copy (Source : Vector; Capacity : Count_Type := 0) return Vector;
 210
 211    procedure Move (Target : in out Vector; Source : in out Vector);
 212
 213    procedure Insert
 214      (Container : in out Vector;
 215       Before    : Extended_Index;
 216       New_Item  : Vector);
 217
 218    procedure Insert
 219      (Container : in out Vector;
 220       Before    : Cursor;
 221       New_Item  : Vector);
 222
 223    procedure Insert
 224      (Container : in out Vector;
 225       Before    : Cursor;
 226       New_Item  : Vector;
 227       Position  : out Cursor);
 228
 229    procedure Insert
 230      (Container : in out Vector;
 231       Before    : Extended_Index;
 232       New_Item  : Element_Type;
 233       Count     : Count_Type := 1);
 234
 235    procedure Insert
 236      (Container : in out Vector;
 237       Before    : Cursor;
 238       New_Item  : Element_Type;
 239       Count     : Count_Type := 1);
 240
 241    procedure Insert
 242      (Container : in out Vector;
 243       Before    : Cursor;
 244       New_Item  : Element_Type;
 245       Position  : out Cursor;
 246       Count     : Count_Type := 1);
 247
 248    procedure Prepend
 249      (Container : in out Vector;
 250       New_Item  : Vector);
 251
 252    procedure Prepend
 253      (Container : in out Vector;
 254       New_Item  : Element_Type;
 255       Count     : Count_Type := 1);
 256
 257    procedure Append
 258      (Container : in out Vector;
 259       New_Item  : Vector);
 260
 261    procedure Append
 262      (Container : in out Vector;
 263       New_Item  : Element_Type;
 264       Count     : Count_Type := 1);
 265
 266    procedure Insert_Space
 267      (Container : in out Vector;
 268       Before    : Extended_Index;
 269       Count     : Count_Type := 1);
 270
 271    procedure Insert_Space
 272      (Container : in out Vector;
 273       Before    : Cursor;
 274       Position  : out Cursor;
 275       Count     : Count_Type := 1);
 276
 277    procedure Delete
 278      (Container : in out Vector;
 279       Index     : Extended_Index;
 280       Count     : Count_Type := 1);
 281
 282    procedure Delete
 283      (Container : in out Vector;
 284       Position  : in out Cursor;
 285       Count     : Count_Type := 1);
 286
 287    procedure Delete_First
 288      (Container : in out Vector;
 289       Count     : Count_Type := 1);
 290
 291    procedure Delete_Last
 292      (Container : in out Vector;
 293       Count     : Count_Type := 1);
 294
 295    procedure Reverse_Elements (Container : in out Vector);
 296
 297    procedure Swap (Container : in out Vector; I, J : Index_Type);
 298
 299    procedure Swap (Container : in out Vector; I, J : Cursor);
 300
 301    function First_Index (Container : Vector) return Index_Type;
 302
 303    function First (Container : Vector) return Cursor;
 304
 305    function First_Element (Container : Vector) return Element_Type;
 306
 307    function Last_Index (Container : Vector) return Extended_Index;
 308
 309    function Last (Container : Vector) return Cursor;
 310
 311    function Last_Element (Container : Vector) return Element_Type;
 312
 313    function Next (Position : Cursor) return Cursor;
 314
 315    procedure Next (Position : in out Cursor);
 316
 317    function Previous (Position : Cursor) return Cursor;
 318
 319    procedure Previous (Position : in out Cursor);
 320
 321    function Find_Index
 322      (Container : Vector;
 323       Item      : Element_Type;
 324       Index     : Index_Type := Index_Type'First) return Extended_Index;
 325
 326    function Find
 327      (Container : Vector;
 328       Item      : Element_Type;
 329       Position  : Cursor := No_Element) return Cursor;
 330
 331    function Reverse_Find_Index
 332      (Container : Vector;
 333       Item      : Element_Type;
 334       Index     : Index_Type := Index_Type'Last) return Extended_Index;
 335
 336    function Reverse_Find
 337      (Container : Vector;
 338       Item      : Element_Type;
 339       Position  : Cursor := No_Element) return Cursor;
 340
 341    function Contains
 342      (Container : Vector;
 343       Item      : Element_Type) return Boolean;
 344
 345    procedure Iterate
 346      (Container : Vector;
 347       Process   : not null access procedure (Position : Cursor));
 348
 349    function Iterate (Container : Vector)
 350       return Vector_Iterator_Interfaces.Reversible_Iterator'class;
 351
 352    function Iterate
 353      (Container : Vector;
 354       Start     : Cursor)
 355       return Vector_Iterator_Interfaces.Reversible_Iterator'class;
 356
 357    procedure Reverse_Iterate
 358      (Container : Vector;
 359       Process   : not null access procedure (Position : Cursor));
 360
 361    generic
 362       with function "<" (Left, Right : Element_Type) return Boolean is <>;
 363    package Generic_Sorting is
 364
 365       function Is_Sorted (Container : Vector) return Boolean;
 366
 367       procedure Sort (Container : in out Vector);
 368
 369       procedure Merge (Target : in out Vector; Source : in out Vector);
 370
 371    end Generic_Sorting;
 372
 373 private
 374
 375    pragma Inline (First_Index);
 376    pragma Inline (Last_Index);
 377    pragma Inline (Element);
 378    pragma Inline (First_Element);
 379    pragma Inline (Last_Element);
 380    pragma Inline (Query_Element);
 381    pragma Inline (Update_Element);
 382    pragma Inline (Replace_Element);
 383    pragma Inline (Contains);
 384    pragma Inline (Next);
 385    pragma Inline (Previous);
 386
 387    type Element_Access is access Element_Type;
 388
 389    type Elements_Array is array (Index_Type range <>) of Element_Access;
 390    function "=" (L, R : Elements_Array) return Boolean is abstract;
 391
 392    type Elements_Type (Last : Index_Type) is limited record
 393       EA : Elements_Array (Index_Type'First .. Last);
 394    end record;
 395
 396    type Elements_Access is access Elements_Type;
 397
 398    use Ada.Finalization;
 399
 400    type Vector is new Controlled with record
 401       Elements : Elements_Access;
 402       Last     : Extended_Index := No_Index;
 403       Busy     : Natural := 0;
 404       Lock     : Natural := 0;
 405    end record;
 406
 407    type Constant_Reference_Type
 408      (Element : not null access constant Element_Type) is null record;
 409
 410    type Reference_Type
 411      (Element : not null access Element_Type) is null record;
 412
 413    overriding procedure Adjust (Container : in out Vector);
 414
 415    overriding procedure Finalize (Container : in out Vector);
 416
 417    procedure Write
 418      (Stream    : not null access Root_Stream_Type'Class;
 419       Container : Vector);
 420
 421    for Vector'Write use Write;
 422
 423    procedure Read
 424      (Stream    : not null access Root_Stream_Type'Class;
 425       Container : out Vector);
 426
 427    for Vector'Read use Read;
 428
 429    type Vector_Access is access constant Vector;
 430    for Vector_Access'Storage_Size use 0;
 431
 432    type Cursor is record
 433       Container : Vector_Access;
 434       Index     : Index_Type := Index_Type'First;
 435    end record;
 436
 437    Empty_Vector : constant Vector := (Controlled with null, No_Index, 0, 0);
 438
 439    No_Element : constant Cursor := Cursor'(null, Index_Type'First);
 440
 441 end Ada.Containers.Indefinite_Vectors;