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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUN-TIME COMPONENTS                         --
--                                                                          --
--              A D A . T E X T _ I O . G E N E R I C _ A U X               --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
--                                                                          --
-- 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/>.                                          --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------
 
with Interfaces.C_Streams; use Interfaces.C_Streams;
with System.File_IO;
with System.File_Control_Block;
 
package body Ada.Text_IO.Generic_Aux is
 
   package FIO renames System.File_IO;
   package FCB renames System.File_Control_Block;
   subtype AP is FCB.AFCB_Ptr;
 
   ------------------------
   -- Check_End_Of_Field --
   ------------------------
 
   procedure Check_End_Of_Field
     (Buf   : String;
      Stop  : Integer;
      Ptr   : Integer;
      Width : Field)
   is
   begin
      if Ptr > Stop then
         return;
 
      elsif Width = 0 then
         raise Data_Error;
 
      else
         for J in Ptr .. Stop loop
            if not Is_Blank (Buf (J)) then
               raise Data_Error;
            end if;
         end loop;
      end if;
   end Check_End_Of_Field;
 
   -----------------------
   -- Check_On_One_Line --
   -----------------------
 
   procedure Check_On_One_Line
     (File   : File_Type;
      Length : Integer)
   is
   begin
      FIO.Check_Write_Status (AP (File));
 
      if File.Line_Length /= 0 then
         if Count (Length) > File.Line_Length then
            raise Layout_Error;
         elsif File.Col + Count (Length) > File.Line_Length + 1 then
            New_Line (File);
         end if;
      end if;
   end Check_On_One_Line;
 
   ----------
   -- Getc --
   ----------
 
   function Getc (File : File_Type) return int is
      ch : int;
 
   begin
      ch := fgetc (File.Stream);
 
      if ch = EOF and then ferror (File.Stream) /= 0 then
         raise Device_Error;
      else
         return ch;
      end if;
   end Getc;
 
   --------------
   -- Is_Blank --
   --------------
 
   function Is_Blank (C : Character) return Boolean is
   begin
      return C = ' ' or else C = ASCII.HT;
   end Is_Blank;
 
   ----------
   -- Load --
   ----------
 
   procedure Load
     (File   : File_Type;
      Buf    : out String;
      Ptr    : in out Integer;
      Char   : Character;
      Loaded : out Boolean)
   is
      ch : int;
 
   begin
      ch := Getc (File);
 
      if ch = Character'Pos (Char) then
         Store_Char (File, ch, Buf, Ptr);
         Loaded := True;
      else
         Ungetc (ch, File);
         Loaded := False;
      end if;
   end Load;
 
   procedure Load
     (File   : File_Type;
      Buf    : out String;
      Ptr    : in out Integer;
      Char   : Character)
   is
      ch : int;
 
   begin
      ch := Getc (File);
 
      if ch = Character'Pos (Char) then
         Store_Char (File, ch, Buf, Ptr);
      else
         Ungetc (ch, File);
      end if;
   end Load;
 
   procedure Load
     (File   : File_Type;
      Buf    : out String;
      Ptr    : in out Integer;
      Char1  : Character;
      Char2  : Character;
      Loaded : out Boolean)
   is
      ch : int;
 
   begin
      ch := Getc (File);
 
      if ch = Character'Pos (Char1) or else ch = Character'Pos (Char2) then
         Store_Char (File, ch, Buf, Ptr);
         Loaded := True;
      else
         Ungetc (ch, File);
         Loaded := False;
      end if;
   end Load;
 
   procedure Load
     (File   : File_Type;
      Buf    : out String;
      Ptr    : in out Integer;
      Char1  : Character;
      Char2  : Character)
   is
      ch : int;
 
   begin
      ch := Getc (File);
 
      if ch = Character'Pos (Char1) or else ch = Character'Pos (Char2) then
         Store_Char (File, ch, Buf, Ptr);
      else
         Ungetc (ch, File);
      end if;
   end Load;
 
   -----------------
   -- Load_Digits --
   -----------------
 
   procedure Load_Digits
     (File   : File_Type;
      Buf    : out String;
      Ptr    : in out Integer;
      Loaded : out Boolean)
   is
      ch          : int;
      After_Digit : Boolean;
 
   begin
      ch := Getc (File);
 
      if ch not in Character'Pos ('0') .. Character'Pos ('9') then
         Loaded := False;
 
      else
         Loaded := True;
         After_Digit := True;
 
         loop
            Store_Char (File, ch, Buf, Ptr);
            ch := Getc (File);
 
            if ch in Character'Pos ('0') .. Character'Pos ('9') then
               After_Digit := True;
 
            elsif ch = Character'Pos ('_') and then After_Digit then
               After_Digit := False;
 
            else
               exit;
            end if;
         end loop;
      end if;
 
      Ungetc (ch, File);
   end Load_Digits;
 
   procedure Load_Digits
     (File   : File_Type;
      Buf    : out String;
      Ptr    : in out Integer)
   is
      ch          : int;
      After_Digit : Boolean;
 
   begin
      ch := Getc (File);
 
      if ch in Character'Pos ('0') .. Character'Pos ('9') then
         After_Digit := True;
 
         loop
            Store_Char (File, ch, Buf, Ptr);
            ch := Getc (File);
 
            if ch in Character'Pos ('0') .. Character'Pos ('9') then
               After_Digit := True;
 
            elsif ch = Character'Pos ('_') and then After_Digit then
               After_Digit := False;
 
            else
               exit;
            end if;
         end loop;
      end if;
 
      Ungetc (ch, File);
   end Load_Digits;
 
   --------------------------
   -- Load_Extended_Digits --
   --------------------------
 
   procedure Load_Extended_Digits
     (File   : File_Type;
      Buf    : out String;
      Ptr    : in out Integer;
      Loaded : out Boolean)
   is
      ch          : int;
      After_Digit : Boolean := False;
 
   begin
      Loaded := False;
 
      loop
         ch := Getc (File);
 
         if ch in Character'Pos ('0') .. Character'Pos ('9')
              or else
            ch in Character'Pos ('a') .. Character'Pos ('f')
              or else
            ch in Character'Pos ('A') .. Character'Pos ('F')
         then
            After_Digit := True;
 
         elsif ch = Character'Pos ('_') and then After_Digit then
            After_Digit := False;
 
         else
            exit;
         end if;
 
         Store_Char (File, ch, Buf, Ptr);
         Loaded := True;
      end loop;
 
      Ungetc (ch, File);
   end Load_Extended_Digits;
 
   procedure Load_Extended_Digits
     (File   : File_Type;
      Buf    : out String;
      Ptr    : in out Integer)
   is
      Junk : Boolean;
      pragma Unreferenced (Junk);
   begin
      Load_Extended_Digits (File, Buf, Ptr, Junk);
   end Load_Extended_Digits;
 
   ---------------
   -- Load_Skip --
   ---------------
 
   procedure Load_Skip (File  : File_Type) is
      C : Character;
 
   begin
      FIO.Check_Read_Status (AP (File));
 
      --  Loop till we find a non-blank character (note that as usual in
      --  Text_IO, blank includes horizontal tab). Note that Get deals with
      --  the Before_LM and Before_LM_PM flags appropriately.
 
      loop
         Get (File, C);
         exit when not Is_Blank (C);
      end loop;
 
      Ungetc (Character'Pos (C), File);
      File.Col := File.Col - 1;
   end Load_Skip;
 
   ----------------
   -- Load_Width --
   ----------------
 
   procedure Load_Width
     (File  : File_Type;
      Width : Field;
      Buf   : out String;
      Ptr   : in out Integer)
   is
      ch : int;
 
   begin
      FIO.Check_Read_Status (AP (File));
 
      --  If we are immediately before a line mark, then we have no characters.
      --  This is always a data error, so we may as well raise it right away.
 
      if File.Before_LM then
         raise Data_Error;
 
      else
         for J in 1 .. Width loop
            ch := Getc (File);
 
            if ch = EOF then
               return;
 
            elsif ch = LM then
               Ungetc (ch, File);
               return;
 
            else
               Store_Char (File, ch, Buf, Ptr);
            end if;
         end loop;
      end if;
   end Load_Width;
 
   -----------
   -- Nextc --
   -----------
 
   function Nextc (File : File_Type) return int is
      ch : int;
 
   begin
      ch := fgetc (File.Stream);
 
      if ch = EOF then
         if ferror (File.Stream) /= 0 then
            raise Device_Error;
         else
            return EOF;
         end if;
 
      else
         Ungetc (ch, File);
         return ch;
      end if;
   end Nextc;
 
   --------------
   -- Put_Item --
   --------------
 
   procedure Put_Item (File : File_Type; Str : String) is
   begin
      Check_On_One_Line (File, Str'Length);
      Put (File, Str);
   end Put_Item;
 
   ----------------
   -- Store_Char --
   ----------------
 
   procedure Store_Char
     (File : File_Type;
      ch   : int;
      Buf  : in out String;
      Ptr  : in out Integer)
   is
   begin
      File.Col := File.Col + 1;
 
      if Ptr < Buf'Last then
         Ptr := Ptr + 1;
      end if;
 
      Buf (Ptr) := Character'Val (ch);
   end Store_Char;
 
   -----------------
   -- String_Skip --
   -----------------
 
   procedure String_Skip (Str : String; Ptr : out Integer) is
   begin
      Ptr := Str'First;
 
      loop
         if Ptr > Str'Last then
            raise End_Error;
 
         elsif not Is_Blank (Str (Ptr)) then
            return;
 
         else
            Ptr := Ptr + 1;
         end if;
      end loop;
   end String_Skip;
 
   ------------
   -- Ungetc --
   ------------
 
   procedure Ungetc (ch : int; File : File_Type) is
   begin
      if ch /= EOF then
         if ungetc (ch, File.Stream) = EOF then
            raise Device_Error;
         end if;
      end if;
   end Ungetc;
 
end Ada.Text_IO.Generic_Aux;

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [a-tigeau.adb] - Blame information for rev 707

Line No.	Rev	Author	Line
1	706	jeremybenn	`------------------------------------------------------------------------------`
2			`-- --`
3			`-- GNAT RUN-TIME COMPONENTS --`
4			`-- --`
5			`-- A D A . T E X T _ I O . G E N E R I C _ A U X --`
6			`-- --`
7			`-- B o d y --`
8			`-- --`
9			`-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --`
10			`-- --`
11			`-- GNAT is free software; you can redistribute it and/or modify it under --`
12			`-- terms of the GNU General Public License as published by the Free Soft- --`
13			`-- ware Foundation; either version 3, or (at your option) any later ver- --`
14			`-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --`
15			`-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --`
16			`-- or FITNESS FOR A PARTICULAR PURPOSE. --`
17			`-- --`
18			`-- As a special exception under Section 7 of GPL version 3, you are granted --`
19			`-- additional permissions described in the GCC Runtime Library Exception, --`
20			`-- version 3.1, as published by the Free Software Foundation. --`
21			`-- --`
22			`-- You should have received a copy of the GNU General Public License and --`
23			`-- a copy of the GCC Runtime Library Exception along with this program; --`
24			`-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --`
25			`-- <http://www.gnu.org/licenses/>. --`
26			`-- --`
27			`-- GNAT was originally developed by the GNAT team at New York University. --`
28			`-- Extensive contributions were provided by Ada Core Technologies Inc. --`
29			`-- --`
30			`------------------------------------------------------------------------------`
31
32			`with Interfaces.C_Streams; use Interfaces.C_Streams;`
33			`with System.File_IO;`
34			`with System.File_Control_Block;`
35
36			`package body Ada.Text_IO.Generic_Aux is`
37
38			`package FIO renames System.File_IO;`
39			`package FCB renames System.File_Control_Block;`
40			`subtype AP is FCB.AFCB_Ptr;`
41
42			`------------------------`
43			`-- Check_End_Of_Field --`
44			`------------------------`
45
46			`procedure Check_End_Of_Field`
47			`(Buf : String;`
48			`Stop : Integer;`
49			`Ptr : Integer;`
50			`Width : Field)`
51			`is`
52			`begin`
53			`if Ptr > Stop then`
54			`return;`
55
56			`elsif Width = 0 then`
57			`raise Data_Error;`
58
59			`else`
60			`for J in Ptr .. Stop loop`
61			`if not Is_Blank (Buf (J)) then`
62			`raise Data_Error;`
63			`end if;`
64			`end loop;`
65			`end if;`
66			`end Check_End_Of_Field;`
67
68			`-----------------------`
69			`-- Check_On_One_Line --`
70			`-----------------------`
71
72			`procedure Check_On_One_Line`
73			`(File : File_Type;`
74			`Length : Integer)`
75			`is`
76			`begin`
77			`FIO.Check_Write_Status (AP (File));`
78
79			`if File.Line_Length /= 0 then`
80			`if Count (Length) > File.Line_Length then`
81			`raise Layout_Error;`
82			`elsif File.Col + Count (Length) > File.Line_Length + 1 then`
83			`New_Line (File);`
84			`end if;`
85			`end if;`
86			`end Check_On_One_Line;`
87
88			`----------`
89			`-- Getc --`
90			`----------`
91
92			`function Getc (File : File_Type) return int is`
93			`ch : int;`
94
95			`begin`
96			`ch := fgetc (File.Stream);`
97
98			`if ch = EOF and then ferror (File.Stream) /= 0 then`
99			`raise Device_Error;`
100			`else`
101			`return ch;`
102			`end if;`
103			`end Getc;`
104
105			`--------------`
106			`-- Is_Blank --`
107			`--------------`
108
109			`function Is_Blank (C : Character) return Boolean is`
110			`begin`
111			`return C = ' ' or else C = ASCII.HT;`
112			`end Is_Blank;`
113
114			`----------`
115			`-- Load --`
116			`----------`
117
118			`procedure Load`
119			`(File : File_Type;`
120			`Buf : out String;`
121			`Ptr : in out Integer;`
122			`Char : Character;`
123			`Loaded : out Boolean)`
124			`is`
125			`ch : int;`
126
127			`begin`
128			`ch := Getc (File);`
129
130			`if ch = Character'Pos (Char) then`
131			`Store_Char (File, ch, Buf, Ptr);`
132			`Loaded := True;`
133			`else`
134			`Ungetc (ch, File);`
135			`Loaded := False;`
136			`end if;`
137			`end Load;`
138
139			`procedure Load`
140			`(File : File_Type;`
141			`Buf : out String;`
142			`Ptr : in out Integer;`
143			`Char : Character)`
144			`is`
145			`ch : int;`
146
147			`begin`
148			`ch := Getc (File);`
149
150			`if ch = Character'Pos (Char) then`
151			`Store_Char (File, ch, Buf, Ptr);`
152			`else`
153			`Ungetc (ch, File);`
154			`end if;`
155			`end Load;`
156
157			`procedure Load`
158			`(File : File_Type;`
159			`Buf : out String;`
160			`Ptr : in out Integer;`
161			`Char1 : Character;`
162			`Char2 : Character;`
163			`Loaded : out Boolean)`
164			`is`
165			`ch : int;`
166
167			`begin`
168			`ch := Getc (File);`
169
170			`if ch = Character'Pos (Char1) or else ch = Character'Pos (Char2) then`
171			`Store_Char (File, ch, Buf, Ptr);`
172			`Loaded := True;`
173			`else`
174			`Ungetc (ch, File);`
175			`Loaded := False;`
176			`end if;`
177			`end Load;`
178
179			`procedure Load`
180			`(File : File_Type;`
181			`Buf : out String;`
182			`Ptr : in out Integer;`
183			`Char1 : Character;`
184			`Char2 : Character)`
185			`is`
186			`ch : int;`
187
188			`begin`
189			`ch := Getc (File);`
190
191			`if ch = Character'Pos (Char1) or else ch = Character'Pos (Char2) then`
192			`Store_Char (File, ch, Buf, Ptr);`
193			`else`
194			`Ungetc (ch, File);`
195			`end if;`
196			`end Load;`
197
198			`-----------------`
199			`-- Load_Digits --`
200			`-----------------`
201
202			`procedure Load_Digits`
203			`(File : File_Type;`
204			`Buf : out String;`
205			`Ptr : in out Integer;`
206			`Loaded : out Boolean)`
207			`is`
208			`ch : int;`
209			`After_Digit : Boolean;`
210
211			`begin`
212			`ch := Getc (File);`
213
214			`if ch not in Character'Pos ('0') .. Character'Pos ('9') then`
215			`Loaded := False;`
216
217			`else`
218			`Loaded := True;`
219			`After_Digit := True;`
220
221			`loop`
222			`Store_Char (File, ch, Buf, Ptr);`
223			`ch := Getc (File);`
224
225			`if ch in Character'Pos ('0') .. Character'Pos ('9') then`
226			`After_Digit := True;`
227
228			`elsif ch = Character'Pos ('_') and then After_Digit then`
229			`After_Digit := False;`
230
231			`else`
232			`exit;`
233			`end if;`
234			`end loop;`
235			`end if;`
236
237			`Ungetc (ch, File);`
238			`end Load_Digits;`
239
240			`procedure Load_Digits`
241			`(File : File_Type;`
242			`Buf : out String;`
243			`Ptr : in out Integer)`
244			`is`
245			`ch : int;`
246			`After_Digit : Boolean;`
247
248			`begin`
249			`ch := Getc (File);`
250
251			`if ch in Character'Pos ('0') .. Character'Pos ('9') then`
252			`After_Digit := True;`
253
254			`loop`
255			`Store_Char (File, ch, Buf, Ptr);`
256			`ch := Getc (File);`
257
258			`if ch in Character'Pos ('0') .. Character'Pos ('9') then`
259			`After_Digit := True;`
260
261			`elsif ch = Character'Pos ('_') and then After_Digit then`
262			`After_Digit := False;`
263
264			`else`
265			`exit;`
266			`end if;`
267			`end loop;`
268			`end if;`
269
270			`Ungetc (ch, File);`
271			`end Load_Digits;`
272
273			`--------------------------`
274			`-- Load_Extended_Digits --`
275			`--------------------------`
276
277			`procedure Load_Extended_Digits`
278			`(File : File_Type;`
279			`Buf : out String;`
280			`Ptr : in out Integer;`
281			`Loaded : out Boolean)`
282			`is`
283			`ch : int;`
284			`After_Digit : Boolean := False;`
285
286			`begin`
287			`Loaded := False;`
288
289			`loop`
290			`ch := Getc (File);`
291
292			`if ch in Character'Pos ('0') .. Character'Pos ('9')`
293			`or else`
294			`ch in Character'Pos ('a') .. Character'Pos ('f')`
295			`or else`
296			`ch in Character'Pos ('A') .. Character'Pos ('F')`
297			`then`
298			`After_Digit := True;`
299
300			`elsif ch = Character'Pos ('_') and then After_Digit then`
301			`After_Digit := False;`
302
303			`else`
304			`exit;`
305			`end if;`
306
307			`Store_Char (File, ch, Buf, Ptr);`
308			`Loaded := True;`
309			`end loop;`
310
311			`Ungetc (ch, File);`
312			`end Load_Extended_Digits;`
313
314			`procedure Load_Extended_Digits`
315			`(File : File_Type;`
316			`Buf : out String;`
317			`Ptr : in out Integer)`
318			`is`
319			`Junk : Boolean;`
320			`pragma Unreferenced (Junk);`
321			`begin`
322			`Load_Extended_Digits (File, Buf, Ptr, Junk);`
323			`end Load_Extended_Digits;`
324
325			`---------------`
326			`-- Load_Skip --`
327			`---------------`
328
329			`procedure Load_Skip (File : File_Type) is`
330			`C : Character;`
331
332			`begin`
333			`FIO.Check_Read_Status (AP (File));`
334
335			`-- Loop till we find a non-blank character (note that as usual in`
336			`-- Text_IO, blank includes horizontal tab). Note that Get deals with`
337			`-- the Before_LM and Before_LM_PM flags appropriately.`
338
339			`loop`
340			`Get (File, C);`
341			`exit when not Is_Blank (C);`
342			`end loop;`
343
344			`Ungetc (Character'Pos (C), File);`
345			`File.Col := File.Col - 1;`
346			`end Load_Skip;`
347
348			`----------------`
349			`-- Load_Width --`
350			`----------------`
351
352			`procedure Load_Width`
353			`(File : File_Type;`
354			`Width : Field;`
355			`Buf : out String;`
356			`Ptr : in out Integer)`
357			`is`
358			`ch : int;`
359
360			`begin`
361			`FIO.Check_Read_Status (AP (File));`
362
363			`-- If we are immediately before a line mark, then we have no characters.`
364			`-- This is always a data error, so we may as well raise it right away.`
365
366			`if File.Before_LM then`
367			`raise Data_Error;`
368
369			`else`
370			`for J in 1 .. Width loop`
371			`ch := Getc (File);`
372
373			`if ch = EOF then`
374			`return;`
375
376			`elsif ch = LM then`
377			`Ungetc (ch, File);`
378			`return;`
379
380			`else`
381			`Store_Char (File, ch, Buf, Ptr);`
382			`end if;`
383			`end loop;`
384			`end if;`
385			`end Load_Width;`
386
387			`-----------`
388			`-- Nextc --`
389			`-----------`
390
391			`function Nextc (File : File_Type) return int is`
392			`ch : int;`
393
394			`begin`
395			`ch := fgetc (File.Stream);`
396
397			`if ch = EOF then`
398			`if ferror (File.Stream) /= 0 then`
399			`raise Device_Error;`
400			`else`
401			`return EOF;`
402			`end if;`
403
404			`else`
405			`Ungetc (ch, File);`
406			`return ch;`
407			`end if;`
408			`end Nextc;`
409
410			`--------------`
411			`-- Put_Item --`
412			`--------------`
413
414			`procedure Put_Item (File : File_Type; Str : String) is`
415			`begin`
416			`Check_On_One_Line (File, Str'Length);`
417			`Put (File, Str);`
418			`end Put_Item;`
419
420			`----------------`
421			`-- Store_Char --`
422			`----------------`
423
424			`procedure Store_Char`
425			`(File : File_Type;`
426			`ch : int;`
427			`Buf : in out String;`
428			`Ptr : in out Integer)`
429			`is`
430			`begin`
431			`File.Col := File.Col + 1;`
432
433			`if Ptr < Buf'Last then`
434			`Ptr := Ptr + 1;`
435			`end if;`
436
437			`Buf (Ptr) := Character'Val (ch);`
438			`end Store_Char;`
439
440			`-----------------`
441			`-- String_Skip --`
442			`-----------------`
443
444			`procedure String_Skip (Str : String; Ptr : out Integer) is`
445			`begin`
446			`Ptr := Str'First;`
447
448			`loop`
449			`if Ptr > Str'Last then`
450			`raise End_Error;`
451
452			`elsif not Is_Blank (Str (Ptr)) then`
453			`return;`
454
455			`else`
456			`Ptr := Ptr + 1;`
457			`end if;`
458			`end loop;`
459			`end String_Skip;`
460
461			`------------`
462			`-- Ungetc --`
463			`------------`
464
465			`procedure Ungetc (ch : int; File : File_Type) is`
466			`begin`
467			`if ch /= EOF then`
468			`if ungetc (ch, File.Stream) = EOF then`
469			`raise Device_Error;`
470			`end if;`
471			`end if;`
472			`end Ungetc;`
473
474			`end Ada.Text_IO.Generic_Aux;`