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) 2004-2006, 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    pragma Preelaborable_Initialization (Vector);
  55
  56    type Cursor is private;
  57    pragma Preelaborable_Initialization (Cursor);
  58
  59    Empty_Vector : constant Vector;
  60
  61    No_Element : constant Cursor;
  62
  63    function "=" (Left, Right : Vector) return Boolean;
  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 Capacity (Container : Vector) return Count_Type;
  80
  81    procedure Reserve_Capacity
  82      (Container : in out Vector;
  83       Capacity  : Count_Type);
  84
  85    function Length (Container : Vector) return Count_Type;
  86
  87    procedure Set_Length
  88      (Container : in out Vector;
  89       Length    : Count_Type);
  90
  91    function Is_Empty (Container : Vector) return Boolean;
  92
  93    procedure Clear (Container : in out Vector);
  94
  95    function To_Cursor
  96      (Container : Vector;
  97       Index     : Extended_Index) return Cursor;
  98
  99    function To_Index (Position : Cursor) return Extended_Index;
 100
 101    function Element
 102      (Container : Vector;
 103       Index     : Index_Type) return Element_Type;
 104
 105    function Element (Position : Cursor) return Element_Type;
 106
 107    procedure Replace_Element
 108      (Container : in out Vector;
 109       Index     : Index_Type;
 110       New_Item  : Element_Type);
 111
 112    procedure Replace_Element
 113      (Container : in out Vector;
 114       Position  : Cursor;
 115       New_Item  : Element_Type);
 116
 117    procedure Query_Element
 118      (Container : Vector;
 119       Index     : Index_Type;
 120       Process   : not null access procedure (Element : Element_Type));
 121
 122    procedure Query_Element
 123      (Position : Cursor;
 124       Process  : not null access procedure (Element : Element_Type));
 125
 126    procedure Update_Element
 127      (Container : in out Vector;
 128       Index     : Index_Type;
 129       Process   : not null access procedure (Element : in out Element_Type));
 130
 131    procedure Update_Element
 132      (Container : in out Vector;
 133       Position  : Cursor;
 134       Process   : not null access procedure (Element : in out Element_Type));
 135
 136    procedure Move (Target : in out Vector; Source : in out Vector);
 137
 138    procedure Insert
 139      (Container : in out Vector;
 140       Before    : Extended_Index;
 141       New_Item  : Vector);
 142
 143    procedure Insert
 144      (Container : in out Vector;
 145       Before    : Cursor;
 146       New_Item  : Vector);
 147
 148    procedure Insert
 149      (Container : in out Vector;
 150       Before    : Cursor;
 151       New_Item  : Vector;
 152       Position  : out Cursor);
 153
 154    procedure Insert
 155      (Container : in out Vector;
 156       Before    : Extended_Index;
 157       New_Item  : Element_Type;
 158       Count     : Count_Type := 1);
 159
 160    procedure Insert
 161      (Container : in out Vector;
 162       Before    : Cursor;
 163       New_Item  : Element_Type;
 164       Count     : Count_Type := 1);
 165
 166    procedure Insert
 167      (Container : in out Vector;
 168       Before    : Cursor;
 169       New_Item  : Element_Type;
 170       Position  : out Cursor;
 171       Count     : Count_Type := 1);
 172
 173    procedure Insert
 174      (Container : in out Vector;
 175       Before    : Extended_Index;
 176       Count     : Count_Type := 1);
 177
 178    procedure Insert
 179      (Container : in out Vector;
 180       Before    : Cursor;
 181       Position  : out Cursor;
 182       Count     : Count_Type := 1);
 183
 184    procedure Prepend
 185      (Container : in out Vector;
 186       New_Item  : Vector);
 187
 188    procedure Prepend
 189      (Container : in out Vector;
 190       New_Item  : Element_Type;
 191       Count     : Count_Type := 1);
 192
 193    procedure Append
 194      (Container : in out Vector;
 195       New_Item  : Vector);
 196
 197    procedure Append
 198      (Container : in out Vector;
 199       New_Item  : Element_Type;
 200       Count     : Count_Type := 1);
 201
 202    procedure Insert_Space
 203      (Container : in out Vector;
 204       Before    : Extended_Index;
 205       Count     : Count_Type := 1);
 206
 207    procedure Insert_Space
 208      (Container : in out Vector;
 209       Before    : Cursor;
 210       Position  : out Cursor;
 211       Count     : Count_Type := 1);
 212
 213    procedure Delete
 214      (Container : in out Vector;
 215       Index     : Extended_Index;
 216       Count     : Count_Type := 1);
 217
 218    procedure Delete
 219      (Container : in out Vector;
 220       Position  : in out Cursor;
 221       Count     : Count_Type := 1);
 222
 223    procedure Delete_First
 224      (Container : in out Vector;
 225       Count     : Count_Type := 1);
 226
 227    procedure Delete_Last
 228      (Container : in out Vector;
 229       Count     : Count_Type := 1);
 230
 231    procedure Reverse_Elements (Container : in out Vector);
 232
 233    procedure Swap (Container : in out Vector; I, J : Index_Type);
 234
 235    procedure Swap (Container : in out Vector; I, J : Cursor);
 236
 237    function First_Index (Container : Vector) return Index_Type;
 238
 239    function First (Container : Vector) return Cursor;
 240
 241    function First_Element (Container : Vector) return Element_Type;
 242
 243    function Last_Index (Container : Vector) return Extended_Index;
 244
 245    function Last (Container : Vector) return Cursor;
 246
 247    function Last_Element (Container : Vector) return Element_Type;
 248
 249    function Next (Position : Cursor) return Cursor;
 250
 251    procedure Next (Position : in out Cursor);
 252
 253    function Previous (Position : Cursor) return Cursor;
 254
 255    procedure Previous (Position : in out Cursor);
 256
 257    function Find_Index
 258      (Container : Vector;
 259       Item      : Element_Type;
 260       Index     : Index_Type := Index_Type'First) return Extended_Index;
 261
 262    function Find
 263      (Container : Vector;
 264       Item      : Element_Type;
 265       Position  : Cursor := No_Element) return Cursor;
 266
 267    function Reverse_Find_Index
 268      (Container : Vector;
 269       Item      : Element_Type;
 270       Index     : Index_Type := Index_Type'Last) return Extended_Index;
 271
 272    function Reverse_Find
 273      (Container : Vector;
 274       Item      : Element_Type;
 275       Position  : Cursor := No_Element) return Cursor;
 276
 277    function Contains
 278      (Container : Vector;
 279       Item      : Element_Type) return Boolean;
 280
 281    function Has_Element (Position : Cursor) return Boolean;
 282
 283    procedure Iterate
 284      (Container : Vector;
 285       Process   : not null access procedure (Position : Cursor));
 286
 287    procedure Reverse_Iterate
 288      (Container : Vector;
 289       Process   : not null access procedure (Position : Cursor));
 290
 291    generic
 292       with function "<" (Left, Right : Element_Type) return Boolean is <>;
 293    package Generic_Sorting is
 294
 295       function Is_Sorted (Container : Vector) return Boolean;
 296
 297       procedure Sort (Container : in out Vector);
 298
 299       procedure Merge (Target : in out Vector; Source : in out Vector);
 300
 301    end Generic_Sorting;
 302
 303 private
 304
 305    pragma Inline (First_Index);
 306    pragma Inline (Last_Index);
 307    pragma Inline (Element);
 308    pragma Inline (First_Element);
 309    pragma Inline (Last_Element);
 310    pragma Inline (Query_Element);
 311    pragma Inline (Update_Element);
 312    pragma Inline (Replace_Element);
 313    pragma Inline (Contains);
 314
 315    type Elements_Type is array (Index_Type range <>) of Element_Type;
 316
 317    function "=" (L, R : Elements_Type) return Boolean is abstract;
 318
 319    type Elements_Access is access Elements_Type;
 320
 321    use Ada.Finalization;
 322
 323    type Vector is new Controlled with record
 324       Elements : Elements_Access;
 325       Last     : Extended_Index := No_Index;
 326       Busy     : Natural := 0;
 327       Lock     : Natural := 0;
 328    end record;
 329
 330    procedure Adjust (Container : in out Vector);
 331
 332    procedure Finalize (Container : in out Vector);
 333
 334    use Ada.Streams;
 335
 336    procedure Write
 337      (Stream    : not null access Root_Stream_Type'Class;
 338       Container : Vector);
 339
 340    for Vector'Write use Write;
 341
 342    procedure Read
 343      (Stream    : not null access Root_Stream_Type'Class;
 344       Container : out Vector);
 345
 346    for Vector'Read use Read;
 347
 348    Empty_Vector : constant Vector := (Controlled with null, No_Index, 0, 0);
 349
 350    type Vector_Access is access constant Vector;
 351    for Vector_Access'Storage_Size use 0;
 352
 353    type Cursor is record
 354       Container : Vector_Access;
 355       Index     : Index_Type := Index_Type'First;
 356    end record;
 357
 358    procedure Write
 359      (Stream   : not null access Root_Stream_Type'Class;
 360       Position : Cursor);
 361
 362    for Cursor'Write use Write;
 363
 364    procedure Read
 365      (Stream   : not null access Root_Stream_Type'Class;
 366       Position : out Cursor);
 367
 368    for Cursor'Read use Read;
 369
 370    No_Element : constant Cursor := Cursor'(null, Index_Type'First);
 371
 372 end Ada.Containers.Vectors;