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) 2004-2005 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 with Ada.Finalization;
  37 with Ada.Streams;
  38
  39 generic
  40    type Index_Type is range <>;
  41
  42    type Element_Type (<>) is private;
  43
  44    with function "=" (Left, Right : Element_Type) return Boolean is <>;
  45
  46 package Ada.Containers.Indefinite_Vectors is
  47    pragma Preelaborate;
  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    subtype Index_Subtype is Index_Type;
  56
  57    type Vector is tagged private;
  58
  59    type Cursor is private;
  60
  61    Empty_Vector : constant Vector;
  62
  63    No_Element : constant Cursor;
  64
  65    function To_Vector (Length : Count_Type) return Vector;
  66
  67    function To_Vector
  68      (New_Item : Element_Type;
  69       Length   : Count_Type) return Vector;
  70
  71    function "&" (Left, Right : Vector) return Vector;
  72
  73    function "&" (Left : Vector; Right : Element_Type) return Vector;
  74
  75    function "&" (Left : Element_Type; Right : Vector) return Vector;
  76
  77    function "&" (Left, Right : Element_Type) return Vector;
  78
  79    function "=" (Left, Right : Vector) return Boolean;
  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    function Is_Empty (Container : Vector) return Boolean;
  90
  91    procedure Clear (Container : in out Vector);
  92
  93    function To_Cursor
  94      (Container : Vector;
  95       Index     : Extended_Index) return Cursor;
  96
  97    function To_Index (Position : Cursor) return Extended_Index;
  98
  99    function Element
 100      (Container : Vector;
 101       Index     : Index_Type) return Element_Type;
 102
 103    function Element (Position : Cursor) return Element_Type;
 104
 105    procedure Query_Element
 106      (Container : Vector;
 107       Index     : Index_Type;
 108       Process   : not null access procedure (Element : Element_Type));
 109
 110    procedure Query_Element
 111      (Position : Cursor;
 112       Process  : not null access procedure (Element : Element_Type));
 113
 114    procedure Update_Element
 115      (Container : Vector;
 116       Index     : Index_Type;
 117       Process   : not null access procedure (Element : in out Element_Type));
 118
 119    procedure Update_Element
 120      (Position : Cursor;
 121       Process  : not null access procedure (Element : in out Element_Type));
 122
 123    procedure Replace_Element
 124      (Container : Vector;
 125       Index     : Index_Type;
 126       By        : Element_Type);
 127
 128    procedure Replace_Element
 129      (Position : Cursor;
 130       By       : Element_Type);
 131
 132    procedure Assign (Target : in out Vector; Source : Vector);
 133
 134    procedure Move (Target : in out Vector; Source : in out Vector);
 135
 136    procedure Insert
 137      (Container : in out Vector;
 138       Before    : Extended_Index;
 139       New_Item  : Vector);
 140
 141    procedure Insert
 142      (Container : in out Vector;
 143       Before    : Cursor;
 144       New_Item  : Vector);
 145
 146    procedure Insert
 147      (Container : in out Vector;
 148       Before    : Cursor;
 149       New_Item  : Vector;
 150       Position  : out Cursor);
 151
 152    procedure Insert
 153      (Container : in out Vector;
 154       Before    : Extended_Index;
 155       New_Item  : Element_Type;
 156       Count     : Count_Type := 1);
 157
 158    procedure Insert
 159      (Container : in out Vector;
 160       Before    : Cursor;
 161       New_Item  : Element_Type;
 162       Count     : Count_Type := 1);
 163
 164    procedure Insert
 165      (Container : in out Vector;
 166       Before    : Cursor;
 167       New_Item  : Element_Type;
 168       Position  : out Cursor;
 169       Count     : Count_Type := 1);
 170
 171    procedure Prepend
 172      (Container : in out Vector;
 173       New_Item  : Vector);
 174
 175    procedure Prepend
 176      (Container : in out Vector;
 177       New_Item  : Element_Type;
 178       Count     : Count_Type := 1);
 179
 180    procedure Append
 181      (Container : in out Vector;
 182       New_Item  : Vector);
 183
 184    procedure Append
 185      (Container : in out Vector;
 186       New_Item  : Element_Type;
 187       Count     : Count_Type := 1);
 188
 189    procedure Insert_Space
 190      (Container : in out Vector;
 191       Before    : Extended_Index;
 192       Count     : Count_Type := 1);
 193
 194    procedure Insert_Space
 195      (Container : in out Vector;
 196       Before    : Cursor;
 197       Position  : out Cursor;
 198       Count     : Count_Type := 1);
 199
 200    procedure Set_Length
 201      (Container : in out Vector;
 202       Length    : Count_Type);
 203
 204    procedure Delete
 205      (Container : in out Vector;
 206       Index     : Extended_Index;
 207       Count     : Count_Type := 1);
 208
 209    procedure Delete
 210      (Container : in out Vector;
 211       Position  : in out Cursor;
 212       Count     : Count_Type := 1);
 213
 214    procedure Delete_First
 215      (Container : in out Vector;
 216       Count     : Count_Type := 1);
 217
 218    procedure Delete_Last
 219      (Container : in out Vector;
 220       Count     : Count_Type := 1);
 221
 222    function First_Index (Container : Vector) return Index_Type;
 223
 224    function First (Container : Vector) return Cursor;
 225
 226    function First_Element (Container : Vector) return Element_Type;
 227
 228    function Last_Index (Container : Vector) return Extended_Index;
 229
 230    function Last (Container : Vector) return Cursor;
 231
 232    function Last_Element (Container : Vector) return Element_Type;
 233
 234    procedure Swap (Container : Vector; I, J : Index_Type);
 235
 236    procedure Swap (I, J : Cursor);
 237
 238    generic
 239       with function "<" (Left, Right : Element_Type) return Boolean is <>;
 240    package Generic_Sorting is
 241
 242       function Is_Sorted (Container : Vector) return Boolean;
 243
 244       procedure Sort (Container : in out Vector);
 245
 246       procedure Merge (Target, Source : in out Vector);
 247
 248    end Generic_Sorting;
 249
 250    function Find_Index
 251      (Container : Vector;
 252       Item      : Element_Type;
 253       Index     : Index_Type := Index_Type'First) return Extended_Index;
 254
 255    function Find
 256      (Container : Vector;
 257       Item      : Element_Type;
 258        Position  : Cursor := No_Element) return Cursor;
 259
 260    function Reverse_Find_Index
 261      (Container : Vector;
 262       Item      : Element_Type;
 263       Index     : Index_Type := Index_Type'Last) return Extended_Index;
 264
 265    function Reverse_Find (Container : Vector;
 266                           Item      : Element_Type;
 267                           Position  : Cursor := No_Element)
 268       return Cursor;
 269
 270    function Contains
 271      (Container : Vector;
 272       Item      : Element_Type) return Boolean;
 273
 274    function Next (Position : Cursor) return Cursor;
 275
 276    function Previous (Position : Cursor) return Cursor;
 277
 278    procedure Next (Position : in out Cursor);
 279
 280    procedure Previous (Position : in out Cursor);
 281
 282    function Has_Element (Position : Cursor) return Boolean;
 283
 284    procedure Iterate
 285      (Container : Vector;
 286       Process   : not null access procedure (Position : Cursor));
 287
 288    procedure Reverse_Iterate
 289      (Container : Vector;
 290       Process   : not null access procedure (Position : Cursor));
 291
 292 private
 293
 294    pragma Inline (First_Index);
 295    pragma Inline (Last_Index);
 296    pragma Inline (Element);
 297    pragma Inline (First_Element);
 298    pragma Inline (Last_Element);
 299    pragma Inline (Query_Element);
 300    pragma Inline (Update_Element);
 301    pragma Inline (Replace_Element);
 302    pragma Inline (Contains);
 303
 304    type Element_Access is access Element_Type;
 305
 306    type Elements_Type is array (Index_Type range <>) of Element_Access;
 307
 308    function "=" (L, R : Elements_Type) return Boolean is abstract;
 309
 310    type Elements_Access is access Elements_Type;
 311
 312    use Ada.Finalization;
 313
 314    type Vector is new Controlled with record
 315       Elements : Elements_Access;
 316       Last     : Extended_Index := No_Index;
 317       Busy     : Natural := 0;
 318       Lock     : Natural := 0;
 319    end record;
 320
 321    procedure Adjust (Container : in out Vector);
 322
 323    procedure Finalize (Container : in out Vector);
 324
 325    use Ada.Streams;
 326
 327    procedure Write
 328      (Stream    : access Root_Stream_Type'Class;
 329       Container : Vector);
 330
 331    for Vector'Write use Write;
 332
 333    procedure Read
 334      (Stream    : access Root_Stream_Type'Class;
 335       Container : out Vector);
 336
 337    for Vector'Read use Read;
 338
 339    Empty_Vector : constant Vector := (Controlled with null, No_Index, 0, 0);
 340
 341    type Vector_Access is access constant Vector;
 342    for Vector_Access'Storage_Size use 0;
 343
 344    type Cursor is record
 345       Container : Vector_Access;
 346       Index     : Index_Type := Index_Type'First;
 347    end record;
 348
 349    No_Element : constant Cursor := Cursor'(null, Index_Type'First);
 350
 351 end Ada.Containers.Indefinite_Vectors;