gcc/ada/a-convec.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT LIBRARY COMPONENTS                          --
   4 --                                                                          --
   5 --                          ADA.CONTAINERS.VECTORS                          --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --             Copyright (C) 2004 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,  59 Temple Place - Suite 330,  Boston, --
  24 -- MA 02111-1307, 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 (Vectors);
  46
  47    subtype Extended_Index is Index_Type'Base
  48      range Index_Type'First - 1 ..
  49            Index_Type'Last +
  50               Boolean'Pos (Index_Type'Base'Last > Index_Type'Last);
  51
  52    No_Index : constant Extended_Index := Extended_Index'First;
  53
  54    subtype Index_Subtype is Index_Type;
  55
  56    type Vector is tagged private;
  57
  58    type Cursor is private;
  59
  60    Empty_Vector : constant Vector;
  61
  62    No_Element : constant Cursor;
  63
  64    function To_Vector (Length : Count_Type) return Vector;
  65
  66    function To_Vector
  67      (New_Item : Element_Type;
  68       Length   : Count_Type) return Vector;
  69
  70    function "&" (Left, Right : Vector) return Vector;
  71
  72    function "&" (Left : Vector; Right : Element_Type) return Vector;
  73
  74    function "&" (Left : Element_Type; Right : Vector) return Vector;
  75
  76    function "&" (Left, Right : Element_Type) return Vector;
  77
  78    function "=" (Left, Right : Vector) return Boolean;
  79
  80    function Capacity (Container : Vector) return Count_Type;
  81
  82    procedure Reserve_Capacity
  83      (Container : in out Vector;
  84       Capacity  : Count_Type);
  85
  86    function Length (Container : Vector) return Count_Type;
  87
  88    function Is_Empty (Container : Vector) return Boolean;
  89
  90    procedure Clear (Container : in out Vector);
  91
  92    function To_Cursor
  93      (Container : Vector;
  94       Index     : Extended_Index) return Cursor;
  95
  96    function To_Index (Position : Cursor) return Extended_Index;
  97
  98    function Element
  99      (Container : Vector;
 100       Index     : Index_Type) return Element_Type;
 101
 102    function Element (Position : Cursor) return Element_Type;
 103
 104    procedure Query_Element
 105      (Container : Vector;
 106       Index     : Index_Type;
 107       Process   : not null access procedure (Element : Element_Type));
 108
 109    procedure Query_Element
 110      (Position : Cursor;
 111       Process  : not null access procedure (Element : Element_Type));
 112
 113    procedure Update_Element
 114      (Container : Vector;
 115       Index     : Index_Type;
 116       Process   : not null access procedure (Element : in out Element_Type));
 117
 118    procedure Update_Element
 119      (Position : Cursor;
 120       Process  : not null access procedure (Element : in out Element_Type));
 121
 122    procedure Replace_Element
 123      (Container : Vector;
 124       Index     : Index_Type;
 125       By        : Element_Type);
 126
 127    procedure Replace_Element (Position : Cursor; By : Element_Type);
 128
 129    procedure Assign (Target : in out Vector; Source : Vector);
 130
 131    procedure Move (Target : in out Vector; Source : in out Vector);
 132
 133    procedure Insert
 134      (Container : in out Vector;
 135       Before    : Extended_Index;
 136       New_Item  : Vector);
 137
 138    procedure Insert
 139      (Container : in out Vector;
 140       Before    : Cursor;
 141       New_Item  : Vector);
 142
 143    procedure Insert
 144      (Container : in out Vector;
 145       Before    : Cursor;
 146       New_Item  : Vector;
 147       Position  : out Cursor);
 148
 149    procedure Insert
 150      (Container : in out Vector;
 151       Before    : Extended_Index;
 152       New_Item  : Element_Type;
 153       Count     : Count_Type := 1);
 154
 155    procedure Insert
 156      (Container : in out Vector;
 157       Before    : Cursor;
 158       New_Item  : Element_Type;
 159       Count     : Count_Type := 1);
 160
 161    procedure Insert
 162      (Container : in out Vector;
 163       Before    : Cursor;
 164       New_Item  : Element_Type;
 165       Position  : out Cursor;
 166       Count     : Count_Type := 1);
 167
 168    procedure Prepend
 169      (Container : in out Vector;
 170       New_Item  : Vector);
 171
 172    procedure Prepend
 173      (Container : in out Vector;
 174       New_Item  : Element_Type;
 175       Count     : Count_Type := 1);
 176
 177    procedure Append
 178      (Container : in out Vector;
 179       New_Item  : Vector);
 180
 181    procedure Append
 182      (Container : in out Vector;
 183       New_Item  : Element_Type;
 184       Count     : Count_Type := 1);
 185
 186    procedure Insert_Space
 187      (Container : in out Vector;
 188       Before    : Extended_Index;
 189       Count     : Count_Type := 1);
 190
 191    procedure Insert_Space
 192      (Container : in out Vector;
 193       Before    : Cursor;
 194       Position  : out Cursor;
 195       Count     : Count_Type := 1);
 196
 197    procedure Set_Length
 198      (Container : in out Vector;
 199       Length    : Count_Type);
 200
 201    procedure Delete
 202      (Container : in out Vector;
 203       Index     : Extended_Index;  --  TODO: verify
 204       Count     : Count_Type := 1);
 205
 206    procedure Delete
 207      (Container : in out Vector;
 208       Position  : in out Cursor;
 209       Count     : Count_Type := 1);
 210
 211    procedure Delete_First
 212      (Container : in out Vector;
 213       Count     : Count_Type := 1);
 214
 215    procedure Delete_Last
 216      (Container : in out Vector;
 217       Count     : Count_Type := 1);
 218
 219    function First_Index (Container : Vector) return Index_Type;
 220
 221    function First (Container : Vector) return Cursor;
 222
 223    function First_Element (Container : Vector) return Element_Type;
 224
 225    function Last_Index (Container : Vector) return Extended_Index;
 226
 227    function Last (Container : Vector) return Cursor;
 228
 229    function Last_Element (Container : Vector) return Element_Type;
 230
 231    procedure Swap (Container : Vector; I, J : Index_Type);
 232
 233    procedure Swap (I, J : Cursor);
 234
 235    generic
 236       with function "<" (Left, Right : Element_Type) return Boolean is <>;
 237    procedure Generic_Sort (Container : Vector);
 238
 239    function Find_Index
 240      (Container : Vector;
 241       Item      : Element_Type;
 242       Index     : Index_Type := Index_Type'First) return Extended_Index;
 243
 244    function Find
 245      (Container : Vector;
 246       Item      : Element_Type;
 247       Position  : Cursor := No_Element) return Cursor;
 248
 249    function Reverse_Find_Index
 250      (Container : Vector;
 251       Item      : Element_Type;
 252       Index     : Index_Type := Index_Type'Last) return Extended_Index;
 253
 254    function Reverse_Find
 255      (Container : Vector;
 256       Item      : Element_Type;
 257       Position  : Cursor := No_Element) return Cursor;
 258
 259    function Contains
 260      (Container : Vector;
 261       Item      : Element_Type) return Boolean;
 262
 263    function Next (Position : Cursor) return Cursor;
 264
 265    function Previous (Position : Cursor) return Cursor;
 266
 267    procedure Next (Position : in out Cursor);
 268
 269    procedure Previous (Position : in out Cursor);
 270
 271    function Has_Element (Position : Cursor) return Boolean;
 272
 273    procedure Iterate
 274      (Container : Vector;
 275       Process   : not null access procedure (Position : Cursor));
 276
 277    procedure Reverse_Iterate
 278      (Container : Vector;
 279       Process   : not null access procedure (Position : Cursor));
 280
 281 private
 282
 283    pragma Inline (First_Index);
 284    pragma Inline (Last_Index);
 285    pragma Inline (Element);
 286    pragma Inline (First_Element);
 287    pragma Inline (Last_Element);
 288    pragma Inline (Query_Element);
 289    pragma Inline (Update_Element);
 290    pragma Inline (Replace_Element);
 291    pragma Inline (Contains);
 292
 293    type Elements_Type is array (Index_Type range <>) of Element_Type;
 294
 295    function "=" (L, R : Elements_Type) return Boolean is abstract;
 296
 297    type Elements_Access is access Elements_Type;
 298
 299    use Ada.Finalization;
 300
 301    type Vector is new Controlled with record
 302       Elements : Elements_Access;
 303       Last     : Extended_Index := No_Index;
 304    end record;
 305
 306    procedure Adjust (Container : in out Vector);
 307
 308    procedure Finalize (Container : in out Vector);
 309
 310    use Ada.Streams;
 311
 312    procedure Write
 313      (Stream    : access Root_Stream_Type'Class;
 314       Container : Vector);
 315
 316    for Vector'Write use Write;
 317
 318    procedure Read
 319      (Stream    : access Root_Stream_Type'Class;
 320       Container : out Vector);
 321
 322    for Vector'Read use Read;
 323
 324    Empty_Vector : constant Vector := (Controlled with null, No_Index);
 325
 326    type Vector_Access is access constant Vector;
 327    for Vector_Access'Storage_Size use 0;
 328
 329    type Cursor is record
 330       Container : Vector_Access;
 331       Index     : Index_Type := Index_Type'First;
 332    end record;
 333
 334    No_Element : constant Cursor := Cursor'(null, Index_Type'First);
 335
 336 end Ada.Containers.Vectors;