summaryrefslogtreecommitdiffstats
path: root/gcc/ada/a-cdlili.ads
blob: 30e37085427b0cf414ddad96c11d93c252bd4856 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
------------------------------------------------------------------------------
--                                                                          --
--                         GNAT LIBRARY COMPONENTS                          --
--                                                                          --
--   A D A . C O N T A I N E R S . D O U B L Y _ L I N K E D _ L I S T S    --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--          Copyright (C) 2004-2010, Free Software Foundation, Inc.         --
--                                                                          --
-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
-- apply solely to the  contents of the part following the private keyword. --
--                                                                          --
-- GNAT is free software;  you can  redistribute it  and/or modify it under --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
--                                                                          --
-- This unit was originally developed by Matthew J Heaney.                  --
------------------------------------------------------------------------------

private with Ada.Finalization;
private with Ada.Streams;

generic
   type Element_Type is private;

   with function "=" (Left, Right : Element_Type)
      return Boolean is <>;

package Ada.Containers.Doubly_Linked_Lists is
   pragma Preelaborate;
   pragma Remote_Types;

   type List is tagged private;
   pragma Preelaborable_Initialization (List);

   type Cursor is private;
   pragma Preelaborable_Initialization (Cursor);

   Empty_List : constant List;

   No_Element : constant Cursor;

   function "=" (Left, Right : List) return Boolean;

   function Length (Container : List) return Count_Type;

   function Is_Empty (Container : List) return Boolean;

   procedure Clear (Container : in out List);

   function Element (Position : Cursor) return Element_Type;

   procedure Replace_Element
     (Container : in out List;
      Position  : Cursor;
      New_Item  : Element_Type);

   procedure Query_Element
     (Position : Cursor;
      Process  : not null access procedure (Element : Element_Type));

   procedure Update_Element
     (Container : in out List;
      Position  : Cursor;
      Process   : not null access procedure (Element : in out Element_Type));

   procedure Move
     (Target : in out List;
      Source : in out List);

   procedure Insert
     (Container : in out List;
      Before    : Cursor;
      New_Item  : Element_Type;
      Count     : Count_Type := 1);

   procedure Insert
     (Container : in out List;
      Before    : Cursor;
      New_Item  : Element_Type;
      Position  : out Cursor;
      Count     : Count_Type := 1);

   procedure Insert
     (Container : in out List;
      Before    : Cursor;
      Position  : out Cursor;
      Count     : Count_Type := 1);

   procedure Prepend
     (Container : in out List;
      New_Item  : Element_Type;
      Count     : Count_Type := 1);

   procedure Append
     (Container : in out List;
      New_Item  : Element_Type;
      Count     : Count_Type := 1);

   procedure Delete
     (Container : in out List;
      Position  : in out Cursor;
      Count     : Count_Type := 1);

   procedure Delete_First
     (Container : in out List;
      Count     : Count_Type := 1);

   procedure Delete_Last
     (Container : in out List;
      Count     : Count_Type := 1);

   procedure Reverse_Elements (Container : in out List);

   procedure Swap
     (Container : in out List;
      I, J      : Cursor);

   procedure Swap_Links
     (Container : in out List;
      I, J      : Cursor);

   procedure Splice
     (Target : in out List;
      Before : Cursor;
      Source : in out List);

   procedure Splice
     (Target   : in out List;
      Before   : Cursor;
      Source   : in out List;
      Position : in out Cursor);

   procedure Splice
     (Container : in out List;
      Before    : Cursor;
      Position  : Cursor);

   function First (Container : List) return Cursor;

   function First_Element (Container : List) return Element_Type;

   function Last (Container : List) return Cursor;

   function Last_Element (Container : List) return Element_Type;

   function Next (Position : Cursor) return Cursor;

   procedure Next (Position : in out Cursor);

   function Previous (Position : Cursor) return Cursor;

   procedure Previous (Position : in out Cursor);

   function Find
     (Container : List;
      Item      : Element_Type;
      Position  : Cursor := No_Element) return Cursor;

   function Reverse_Find
     (Container : List;
      Item      : Element_Type;
      Position  : Cursor := No_Element) return Cursor;

   function Contains
     (Container : List;
      Item      : Element_Type) return Boolean;

   function Has_Element (Position : Cursor) return Boolean;

   procedure Iterate
     (Container : List;
      Process   : not null access procedure (Position : Cursor));

   procedure Reverse_Iterate
     (Container : List;
      Process   : not null access procedure (Position : Cursor));

   generic
      with function "<" (Left, Right : Element_Type) return Boolean is <>;
   package Generic_Sorting is

      function Is_Sorted (Container : List) return Boolean;

      procedure Sort (Container : in out List);

      procedure Merge (Target, Source : in out List);

   end Generic_Sorting;

private

   pragma Inline (Next);
   pragma Inline (Previous);

   type Node_Type;
   type Node_Access is access Node_Type;

   type Node_Type is
      limited record
         Element : Element_Type;
         Next    : Node_Access;
         Prev    : Node_Access;
      end record;

   use Ada.Finalization;

   type List is
     new Controlled with record
        First  : Node_Access;
        Last   : Node_Access;
        Length : Count_Type := 0;
        Busy   : Natural := 0;
        Lock   : Natural := 0;
     end record;

   overriding procedure Adjust (Container : in out List);

   overriding procedure Finalize (Container : in out List) renames Clear;

   use Ada.Streams;

   procedure Read
     (Stream : not null access Root_Stream_Type'Class;
      Item   : out List);

   for List'Read use Read;

   procedure Write
     (Stream : not null access Root_Stream_Type'Class;
      Item   : List);

   for List'Write use Write;

   type List_Access is access constant List;
   for List_Access'Storage_Size use 0;

   type Cursor is
      record
         Container : List_Access;
         Node      : Node_Access;
      end record;

   procedure Read
     (Stream : not null access Root_Stream_Type'Class;
      Item   : out Cursor);

   for Cursor'Read use Read;

   procedure Write
     (Stream : not null access Root_Stream_Type'Class;
      Item   : Cursor);

   for Cursor'Write use Write;

   Empty_List : constant List := (Controlled with null, null, 0, 0, 0);

   No_Element : constant Cursor := Cursor'(null, null);

end Ada.Containers.Doubly_Linked_Lists;
OpenPOWER on IntegriCloud