gcc/ada/a-convec.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT LIBRARY COMPONENTS                          --
   4 --                                                                          --
   5 --                A D A . C O N T A I N E R S . V E C T O R S               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2004-2007, 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 2,  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.  See the GNU General Public License --
  21 -- for  more details.  You should have  received  a copy of the GNU General --
  22 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  23 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  24 -- Boston, MA 02110-1301, USA.                                              --
  25 --                                                                          --
  26 -- As a special exception,  if other files  instantiate  generics from this --
  27 -- unit, or you link  this unit with other files  to produce an executable, --
  28 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  29 -- covered  by the  GNU  General  Public  License.  This exception does not --
  30 -- however invalidate  any other reasons why  the executable file  might be --
  31 -- covered by the  GNU Public License.                                      --
  32 --                                                                          --
  33 -- This unit was originally developed by Matthew J Heaney.                  --
  34 ------------------------------------------------------------------------------
  35
  36 private with Ada.Finalization;
  37 private with Ada.Streams;
  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.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    pragma Preelaborable_Initialization (Vector);
  57
  58    type Cursor is private;
  59    pragma Preelaborable_Initialization (Cursor);
  60
  61    Empty_Vector : constant Vector;
  62
  63    No_Element : constant Cursor;
  64
  65    function "=" (Left, Right : Vector) return Boolean;
  66
  67    function To_Vector (Length : Count_Type) return Vector;
  68
  69    function To_Vector
  70      (New_Item : Element_Type;
  71       Length   : Count_Type) return Vector;
  72
  73    function "&" (Left, Right : Vector) return Vector;
  74
  75    function "&" (Left : Vector; Right : Element_Type) return Vector;
  76
  77    function "&" (Left : Element_Type; Right : Vector) return Vector;
  78
  79    function "&" (Left, Right : Element_Type) return Vector;
  80
  81    function Capacity (Container : Vector) return Count_Type;
  82
  83    procedure Reserve_Capacity
  84      (Container : in out Vector;
  85       Capacity  : Count_Type);
  86
  87    function Length (Container : Vector) return Count_Type;
  88
  89    procedure Set_Length
  90      (Container : in out Vector;
  91       Length    : Count_Type);
  92
  93    function Is_Empty (Container : Vector) return Boolean;
  94
  95    procedure Clear (Container : in out Vector);
  96
  97    function To_Cursor
  98      (Container : Vector;
  99       Index     : Extended_Index) return Cursor;
 100
 101    function To_Index (Position : Cursor) return Extended_Index;
 102
 103    function Element
 104      (Container : Vector;
 105       Index     : Index_Type) return Element_Type;
 106
 107    function Element (Position : Cursor) return Element_Type;
 108
 109    procedure Replace_Element
 110      (Container : in out Vector;
 111       Index     : Index_Type;
 112       New_Item  : Element_Type);
 113
 114    procedure Replace_Element
 115      (Container : in out Vector;
 116       Position  : Cursor;
 117       New_Item  : Element_Type);
 118
 119    procedure Query_Element
 120      (Container : Vector;
 121       Index     : Index_Type;
 122       Process   : not null access procedure (Element : Element_Type));
 123
 124    procedure Query_Element
 125      (Position : Cursor;
 126       Process  : not null access procedure (Element : Element_Type));
 127
 128    procedure Update_Element
 129      (Container : in out Vector;
 130       Index     : Index_Type;
 131       Process   : not null access procedure (Element : in out Element_Type));
 132
 133    procedure Update_Element
 134      (Container : in out Vector;
 135       Position  : Cursor;
 136       Process   : not null access procedure (Element : in out Element_Type));
 137
 138    procedure Move (Target : in out Vector; Source : in out Vector);
 139
 140    procedure Insert
 141      (Container : in out Vector;
 142       Before    : Extended_Index;
 143       New_Item  : Vector);
 144
 145    procedure Insert
 146      (Container : in out Vector;
 147       Before    : Cursor;
 148       New_Item  : Vector);
 149
 150    procedure Insert
 151      (Container : in out Vector;
 152       Before    : Cursor;
 153       New_Item  : Vector;
 154       Position  : out Cursor);
 155
 156    procedure Insert
 157      (Container : in out Vector;
 158       Before    : Extended_Index;
 159       New_Item  : Element_Type;
 160       Count     : Count_Type := 1);
 161
 162    procedure Insert
 163      (Container : in out Vector;
 164       Before    : Cursor;
 165       New_Item  : Element_Type;
 166       Count     : Count_Type := 1);
 167
 168    procedure Insert
 169      (Container : in out Vector;
 170       Before    : Cursor;
 171       New_Item  : Element_Type;
 172       Position  : out Cursor;
 173       Count     : Count_Type := 1);
 174
 175    procedure Insert
 176      (Container : in out Vector;
 177       Before    : Extended_Index;
 178       Count     : Count_Type := 1);
 179
 180    procedure Insert
 181      (Container : in out Vector;
 182       Before    : Cursor;
 183       Position  : out Cursor;
 184       Count     : Count_Type := 1);
 185
 186    procedure Prepend
 187      (Container : in out Vector;
 188       New_Item  : Vector);
 189
 190    procedure Prepend
 191      (Container : in out Vector;
 192       New_Item  : Element_Type;
 193       Count     : Count_Type := 1);
 194
 195    procedure Append
 196      (Container : in out Vector;
 197       New_Item  : Vector);
 198
 199    procedure Append
 200      (Container : in out Vector;
 201       New_Item  : Element_Type;
 202       Count     : Count_Type := 1);
 203
 204    procedure Insert_Space
 205      (Container : in out Vector;
 206       Before    : Extended_Index;
 207       Count     : Count_Type := 1);
 208
 209    procedure Insert_Space
 210      (Container : in out Vector;
 211       Before    : Cursor;
 212       Position  : out Cursor;
 213       Count     : Count_Type := 1);
 214
 215    procedure Delete
 216      (Container : in out Vector;
 217       Index     : Extended_Index;
 218       Count     : Count_Type := 1);
 219
 220    procedure Delete
 221      (Container : in out Vector;
 222       Position  : in out Cursor;
 223       Count     : Count_Type := 1);
 224
 225    procedure Delete_First
 226      (Container : in out Vector;
 227       Count     : Count_Type := 1);
 228
 229    procedure Delete_Last
 230      (Container : in out Vector;
 231       Count     : Count_Type := 1);
 232
 233    procedure Reverse_Elements (Container : in out Vector);
 234
 235    procedure Swap (Container : in out Vector; I, J : Index_Type);
 236
 237    procedure Swap (Container : in out Vector; I, J : Cursor);
 238
 239    function First_Index (Container : Vector) return Index_Type;
 240
 241    function First (Container : Vector) return Cursor;
 242
 243    function First_Element (Container : Vector) return Element_Type;
 244
 245    function Last_Index (Container : Vector) return Extended_Index;
 246
 247    function Last (Container : Vector) return Cursor;
 248
 249    function Last_Element (Container : Vector) return Element_Type;
 250
 251    function Next (Position : Cursor) return Cursor;
 252
 253    procedure Next (Position : in out Cursor);
 254
 255    function Previous (Position : Cursor) return Cursor;
 256
 257    procedure Previous (Position : in out Cursor);
 258
 259    function Find_Index
 260      (Container : Vector;
 261       Item      : Element_Type;
 262       Index     : Index_Type := Index_Type'First) return Extended_Index;
 263
 264    function Find
 265      (Container : Vector;
 266       Item      : Element_Type;
 267       Position  : Cursor := No_Element) return Cursor;
 268
 269    function Reverse_Find_Index
 270      (Container : Vector;
 271       Item      : Element_Type;
 272       Index     : Index_Type := Index_Type'Last) return Extended_Index;
 273
 274    function Reverse_Find
 275      (Container : Vector;
 276       Item      : Element_Type;
 277       Position  : Cursor := No_Element) return Cursor;
 278
 279    function Contains
 280      (Container : Vector;
 281       Item      : Element_Type) return Boolean;
 282
 283    function Has_Element (Position : Cursor) return Boolean;
 284
 285    procedure Iterate
 286      (Container : Vector;
 287       Process   : not null access procedure (Position : Cursor));
 288
 289    procedure Reverse_Iterate
 290      (Container : Vector;
 291       Process   : not null access procedure (Position : Cursor));
 292
 293    generic
 294       with function "<" (Left, Right : Element_Type) return Boolean is <>;
 295    package Generic_Sorting is
 296
 297       function Is_Sorted (Container : Vector) return Boolean;
 298
 299       procedure Sort (Container : in out Vector);
 300
 301       procedure Merge (Target : in out Vector; Source : in out Vector);
 302
 303    end Generic_Sorting;
 304
 305 private
 306
 307    pragma Inline (First_Index);
 308    pragma Inline (Last_Index);
 309    pragma Inline (Element);
 310    pragma Inline (First_Element);
 311    pragma Inline (Last_Element);
 312    pragma Inline (Query_Element);
 313    pragma Inline (Update_Element);
 314    pragma Inline (Replace_Element);
 315    pragma Inline (Contains);
 316    pragma Inline (Next);
 317    pragma Inline (Previous);
 318
 319    type Elements_Array is array (Index_Type range <>) of Element_Type;
 320    function "=" (L, R : Elements_Array) return Boolean is abstract;
 321
 322    type Elements_Type (Last : Index_Type) is limited record
 323       EA : Elements_Array (Index_Type'First .. Last);
 324    end record;
 325
 326    type Elements_Access is access Elements_Type;
 327
 328    use Ada.Finalization;
 329
 330    type Vector is new Controlled with record
 331       Elements : Elements_Access;
 332       Last     : Extended_Index := No_Index;
 333       Busy     : Natural := 0;
 334       Lock     : Natural := 0;
 335    end record;
 336
 337    overriding
 338    procedure Adjust (Container : in out Vector);
 339
 340    overriding
 341    procedure Finalize (Container : in out Vector);
 342
 343    use Ada.Streams;
 344
 345    procedure Write
 346      (Stream    : not null access Root_Stream_Type'Class;
 347       Container : Vector);
 348
 349    for Vector'Write use Write;
 350
 351    procedure Read
 352      (Stream    : not null access Root_Stream_Type'Class;
 353       Container : out Vector);
 354
 355    for Vector'Read use Read;
 356
 357    type Vector_Access is access constant Vector;
 358    for Vector_Access'Storage_Size use 0;
 359
 360    type Cursor is record
 361       Container : Vector_Access;
 362       Index     : Index_Type := Index_Type'First;
 363    end record;
 364
 365    procedure Write
 366      (Stream   : not null access Root_Stream_Type'Class;
 367       Position : Cursor);
 368
 369    for Cursor'Write use Write;
 370
 371    procedure Read
 372      (Stream   : not null access Root_Stream_Type'Class;
 373       Position : out Cursor);
 374
 375    for Cursor'Read use Read;
 376
 377    Empty_Vector : constant Vector := (Controlled with null, No_Index, 0, 0);
 378
 379    No_Element : constant Cursor := Cursor'(null, Index_Type'First);
 380
 381 end Ada.Containers.Vectors;