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) 2004-2005, 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 with Ada.Finalization;
  36 with Ada.Streams;
  37
  38 generic
  39    type Index_Type is range <>;
  40    type Element_Type is private;
  41
  42    with function "=" (Left, Right : Element_Type) return Boolean is <>;
  43
  44 package Ada.Containers.Vectors is
  45    pragma Preelaborate;
  46
  47    subtype Extended_Index is Index_Type'Base
  48      range Index_Type'First - 1 ..
  49            Index_Type'Min (Index_Type'Base'Last - 1, Index_Type'Last) + 1;
  50
  51    No_Index : constant Extended_Index := Extended_Index'First;
  52
  53    type Vector is tagged private;
  54
  55    type Cursor is private;
  56
  57    Empty_Vector : constant Vector;
  58
  59    No_Element : constant Cursor;
  60
  61    function "=" (Left, Right : Vector) return Boolean;
  62
  63    function To_Vector (Length : Count_Type) return Vector;
  64
  65    function To_Vector
  66      (New_Item : Element_Type;
  67       Length   : Count_Type) return Vector;
  68
  69    function "&" (Left, Right : Vector) return Vector;
  70
  71    function "&" (Left : Vector; Right : Element_Type) return Vector;
  72
  73    function "&" (Left : Element_Type; Right : Vector) return Vector;
  74
  75    function "&" (Left, Right : Element_Type) return Vector;
  76
  77    function Capacity (Container : Vector) return Count_Type;
  78
  79    procedure Reserve_Capacity
  80      (Container : in out Vector;
  81       Capacity  : Count_Type);
  82
  83    function Length (Container : Vector) return Count_Type;
  84
  85    procedure Set_Length
  86      (Container : in out Vector;
  87       Length    : 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 Replace_Element
 106      (Container : in out Vector;
 107       Index     : Index_Type;
 108       New_Item  : Element_Type);
 109
 110    procedure Replace_Element
 111      (Container : in out Vector;
 112       Position  : Cursor;
 113       New_Item  : Element_Type);
 114
 115    procedure Query_Element
 116      (Container : Vector;
 117       Index     : Index_Type;
 118       Process   : not null access procedure (Element : Element_Type));
 119
 120    procedure Query_Element
 121      (Position : Cursor;
 122       Process  : not null access procedure (Element : Element_Type));
 123
 124    procedure Update_Element
 125      (Container : in out Vector;
 126       Index     : Index_Type;
 127       Process   : not null access procedure (Element : in out Element_Type));
 128
 129    procedure Update_Element
 130      (Container : in out Vector;
 131       Position  : Cursor;
 132       Process   : not null access procedure (Element : in out Element_Type));
 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 Insert
 172      (Container : in out Vector;
 173       Before    : Extended_Index;
 174       Count     : Count_Type := 1);
 175
 176    procedure Insert
 177      (Container : in out Vector;
 178       Before    : Cursor;
 179       Position  : out Cursor;
 180       Count     : Count_Type := 1);
 181
 182    procedure Prepend
 183      (Container : in out Vector;
 184       New_Item  : Vector);
 185
 186    procedure Prepend
 187      (Container : in out Vector;
 188       New_Item  : Element_Type;
 189       Count     : Count_Type := 1);
 190
 191    procedure Append
 192      (Container : in out Vector;
 193       New_Item  : Vector);
 194
 195    procedure Append
 196      (Container : in out Vector;
 197       New_Item  : Element_Type;
 198       Count     : Count_Type := 1);
 199
 200    procedure Insert_Space
 201      (Container : in out Vector;
 202       Before    : Extended_Index;
 203       Count     : Count_Type := 1);
 204
 205    procedure Insert_Space
 206      (Container : in out Vector;
 207       Before    : Cursor;
 208       Position  : out Cursor;
 209       Count     : Count_Type := 1);
 210
 211    procedure Delete
 212      (Container : in out Vector;
 213       Index     : Extended_Index;
 214       Count     : Count_Type := 1);
 215
 216    procedure Delete
 217      (Container : in out Vector;
 218       Position  : in out Cursor;
 219       Count     : Count_Type := 1);
 220
 221    procedure Delete_First
 222      (Container : in out Vector;
 223       Count     : Count_Type := 1);
 224
 225    procedure Delete_Last
 226      (Container : in out Vector;
 227       Count     : Count_Type := 1);
 228
 229    procedure Reverse_Elements (Container : in out Vector);
 230
 231    procedure Swap (Container : in out Vector; I, J : Index_Type);
 232
 233    procedure Swap (Container : in out Vector; I, J : Cursor);
 234
 235    function First_Index (Container : Vector) return Index_Type;
 236
 237    function First (Container : Vector) return Cursor;
 238
 239    function First_Element (Container : Vector) return Element_Type;
 240
 241    function Last_Index (Container : Vector) return Extended_Index;
 242
 243    function Last (Container : Vector) return Cursor;
 244
 245    function Last_Element (Container : Vector) return Element_Type;
 246
 247    function Next (Position : Cursor) return Cursor;
 248
 249    procedure Next (Position : in out Cursor);
 250
 251    function Previous (Position : Cursor) return Cursor;
 252
 253    procedure Previous (Position : in out Cursor);
 254
 255    function Find_Index
 256      (Container : Vector;
 257       Item      : Element_Type;
 258       Index     : Index_Type := Index_Type'First) return Extended_Index;
 259
 260    function Find
 261      (Container : Vector;
 262       Item      : Element_Type;
 263       Position  : Cursor := No_Element) return Cursor;
 264
 265    function Reverse_Find_Index
 266      (Container : Vector;
 267       Item      : Element_Type;
 268       Index     : Index_Type := Index_Type'Last) return Extended_Index;
 269
 270    function Reverse_Find
 271      (Container : Vector;
 272       Item      : Element_Type;
 273       Position  : Cursor := No_Element) return Cursor;
 274
 275    function Contains
 276      (Container : Vector;
 277       Item      : Element_Type) return Boolean;
 278
 279    function Has_Element (Position : Cursor) return Boolean;
 280
 281    procedure Iterate
 282      (Container : Vector;
 283       Process   : not null access procedure (Position : Cursor));
 284
 285    procedure Reverse_Iterate
 286      (Container : Vector;
 287       Process   : not null access procedure (Position : Cursor));
 288
 289    generic
 290       with function "<" (Left, Right : Element_Type) return Boolean is <>;
 291    package Generic_Sorting is
 292
 293       function Is_Sorted (Container : Vector) return Boolean;
 294
 295       procedure Sort (Container : in out Vector);
 296
 297       procedure Merge (Target : in out Vector; Source : in out Vector);
 298
 299    end Generic_Sorting;
 300
 301 private
 302
 303    pragma Inline (First_Index);
 304    pragma Inline (Last_Index);
 305    pragma Inline (Element);
 306    pragma Inline (First_Element);
 307    pragma Inline (Last_Element);
 308    pragma Inline (Query_Element);
 309    pragma Inline (Update_Element);
 310    pragma Inline (Replace_Element);
 311    pragma Inline (Contains);
 312
 313    type Elements_Type is array (Index_Type range <>) of Element_Type;
 314
 315    function "=" (L, R : Elements_Type) return Boolean is abstract;
 316
 317    type Elements_Access is access Elements_Type;
 318
 319    use Ada.Finalization;
 320
 321    type Vector is new Controlled with record
 322       Elements : Elements_Access;
 323       Last     : Extended_Index := No_Index;
 324       Busy     : Natural := 0;
 325       Lock     : Natural := 0;
 326    end record;
 327
 328    procedure Adjust (Container : in out Vector);
 329
 330    procedure Finalize (Container : in out Vector);
 331
 332    use Ada.Streams;
 333
 334    procedure Write
 335      (Stream    : access Root_Stream_Type'Class;
 336       Container : Vector);
 337
 338    for Vector'Write use Write;
 339
 340    procedure Read
 341      (Stream    : access Root_Stream_Type'Class;
 342       Container : out Vector);
 343
 344    for Vector'Read use Read;
 345
 346    Empty_Vector : constant Vector := (Controlled with null, No_Index, 0, 0);
 347
 348    type Vector_Access is access constant Vector;
 349    for Vector_Access'Storage_Size use 0;
 350
 351    type Cursor is record
 352       Container : Vector_Access;
 353       Index     : Index_Type := Index_Type'First;
 354    end record;
 355
 356    procedure Write
 357      (Stream   : access Root_Stream_Type'Class;
 358       Position : Cursor);
 359
 360    for Cursor'Write use Write;
 361
 362    procedure Read
 363      (Stream   : access Root_Stream_Type'Class;
 364       Position : out Cursor);
 365
 366    for Cursor'Read use Read;
 367
 368    No_Element : constant Cursor := Cursor'(null, Index_Type'First);
 369
 370 end Ada.Containers.Vectors;