------------------------------------------------------------------------------
|
------------------------------------------------------------------------------
|
-- --
|
-- --
|
-- GNAT RUN-TIME COMPONENTS --
|
-- GNAT RUN-TIME COMPONENTS --
|
-- --
|
-- --
|
-- A D A . W I D E _ T E X T _ I O . G E N E R I C _ A U X --
|
-- A D A . W I D E _ T E X T _ I O . G E N E R I C _ A U X --
|
-- --
|
-- --
|
-- B o d y --
|
-- B o d y --
|
-- --
|
-- --
|
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
|
-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
|
-- --
|
-- --
|
-- GNAT is free software; you can redistribute it and/or modify it under --
|
-- 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- --
|
-- 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- --
|
-- 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- --
|
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
-- --
|
-- --
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
-- version 3.1, as published by the Free Software Foundation. --
|
-- version 3.1, as published by the Free Software Foundation. --
|
-- --
|
-- --
|
-- You should have received a copy of the GNU General Public License and --
|
-- 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; --
|
-- a copy of the GCC Runtime Library Exception along with this program; --
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
-- <http://www.gnu.org/licenses/>. --
|
-- <http://www.gnu.org/licenses/>. --
|
-- --
|
-- --
|
-- GNAT was originally developed by the GNAT team at New York University. --
|
-- GNAT was originally developed by the GNAT team at New York University. --
|
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
-- --
|
-- --
|
------------------------------------------------------------------------------
|
------------------------------------------------------------------------------
|
|
|
with Interfaces.C_Streams; use Interfaces.C_Streams;
|
with Interfaces.C_Streams; use Interfaces.C_Streams;
|
with System.File_IO;
|
with System.File_IO;
|
with System.File_Control_Block;
|
with System.File_Control_Block;
|
|
|
package body Ada.Wide_Text_IO.Generic_Aux is
|
package body Ada.Wide_Text_IO.Generic_Aux is
|
|
|
package FIO renames System.File_IO;
|
package FIO renames System.File_IO;
|
package FCB renames System.File_Control_Block;
|
package FCB renames System.File_Control_Block;
|
subtype AP is FCB.AFCB_Ptr;
|
subtype AP is FCB.AFCB_Ptr;
|
|
|
------------------------
|
------------------------
|
-- Check_End_Of_Field --
|
-- Check_End_Of_Field --
|
------------------------
|
------------------------
|
|
|
procedure Check_End_Of_Field
|
procedure Check_End_Of_Field
|
(Buf : String;
|
(Buf : String;
|
Stop : Integer;
|
Stop : Integer;
|
Ptr : Integer;
|
Ptr : Integer;
|
Width : Field)
|
Width : Field)
|
is
|
is
|
begin
|
begin
|
if Ptr > Stop then
|
if Ptr > Stop then
|
return;
|
return;
|
|
|
elsif Width = 0 then
|
elsif Width = 0 then
|
raise Data_Error;
|
raise Data_Error;
|
|
|
else
|
else
|
for J in Ptr .. Stop loop
|
for J in Ptr .. Stop loop
|
if not Is_Blank (Buf (J)) then
|
if not Is_Blank (Buf (J)) then
|
raise Data_Error;
|
raise Data_Error;
|
end if;
|
end if;
|
end loop;
|
end loop;
|
end if;
|
end if;
|
end Check_End_Of_Field;
|
end Check_End_Of_Field;
|
|
|
-----------------------
|
-----------------------
|
-- Check_On_One_Line --
|
-- Check_On_One_Line --
|
-----------------------
|
-----------------------
|
|
|
procedure Check_On_One_Line
|
procedure Check_On_One_Line
|
(File : File_Type;
|
(File : File_Type;
|
Length : Integer)
|
Length : Integer)
|
is
|
is
|
begin
|
begin
|
FIO.Check_Write_Status (AP (File));
|
FIO.Check_Write_Status (AP (File));
|
|
|
if File.Line_Length /= 0 then
|
if File.Line_Length /= 0 then
|
if Count (Length) > File.Line_Length then
|
if Count (Length) > File.Line_Length then
|
raise Layout_Error;
|
raise Layout_Error;
|
elsif File.Col + Count (Length) > File.Line_Length + 1 then
|
elsif File.Col + Count (Length) > File.Line_Length + 1 then
|
New_Line (File);
|
New_Line (File);
|
end if;
|
end if;
|
end if;
|
end if;
|
end Check_On_One_Line;
|
end Check_On_One_Line;
|
|
|
--------------
|
--------------
|
-- Is_Blank --
|
-- Is_Blank --
|
--------------
|
--------------
|
|
|
function Is_Blank (C : Character) return Boolean is
|
function Is_Blank (C : Character) return Boolean is
|
begin
|
begin
|
return C = ' ' or else C = ASCII.HT;
|
return C = ' ' or else C = ASCII.HT;
|
end Is_Blank;
|
end Is_Blank;
|
|
|
----------
|
----------
|
-- Load --
|
-- Load --
|
----------
|
----------
|
|
|
procedure Load
|
procedure Load
|
(File : File_Type;
|
(File : File_Type;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer;
|
Ptr : in out Integer;
|
Char : Character;
|
Char : Character;
|
Loaded : out Boolean)
|
Loaded : out Boolean)
|
is
|
is
|
ch : int;
|
ch : int;
|
|
|
begin
|
begin
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
Loaded := False;
|
Loaded := False;
|
return;
|
return;
|
|
|
else
|
else
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch = Character'Pos (Char) then
|
if ch = Character'Pos (Char) then
|
Store_Char (File, ch, Buf, Ptr);
|
Store_Char (File, ch, Buf, Ptr);
|
Loaded := True;
|
Loaded := True;
|
else
|
else
|
Ungetc (ch, File);
|
Ungetc (ch, File);
|
Loaded := False;
|
Loaded := False;
|
end if;
|
end if;
|
end if;
|
end if;
|
end Load;
|
end Load;
|
|
|
procedure Load
|
procedure Load
|
(File : File_Type;
|
(File : File_Type;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer;
|
Ptr : in out Integer;
|
Char : Character)
|
Char : Character)
|
is
|
is
|
ch : int;
|
ch : int;
|
|
|
begin
|
begin
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
null;
|
null;
|
|
|
else
|
else
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch = Character'Pos (Char) then
|
if ch = Character'Pos (Char) then
|
Store_Char (File, ch, Buf, Ptr);
|
Store_Char (File, ch, Buf, Ptr);
|
else
|
else
|
Ungetc (ch, File);
|
Ungetc (ch, File);
|
end if;
|
end if;
|
end if;
|
end if;
|
end Load;
|
end Load;
|
|
|
procedure Load
|
procedure Load
|
(File : File_Type;
|
(File : File_Type;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer;
|
Ptr : in out Integer;
|
Char1 : Character;
|
Char1 : Character;
|
Char2 : Character;
|
Char2 : Character;
|
Loaded : out Boolean)
|
Loaded : out Boolean)
|
is
|
is
|
ch : int;
|
ch : int;
|
|
|
begin
|
begin
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
Loaded := False;
|
Loaded := False;
|
return;
|
return;
|
|
|
else
|
else
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch = Character'Pos (Char1)
|
if ch = Character'Pos (Char1)
|
or else ch = Character'Pos (Char2)
|
or else ch = Character'Pos (Char2)
|
then
|
then
|
Store_Char (File, ch, Buf, Ptr);
|
Store_Char (File, ch, Buf, Ptr);
|
Loaded := True;
|
Loaded := True;
|
else
|
else
|
Ungetc (ch, File);
|
Ungetc (ch, File);
|
Loaded := False;
|
Loaded := False;
|
end if;
|
end if;
|
end if;
|
end if;
|
end Load;
|
end Load;
|
|
|
procedure Load
|
procedure Load
|
(File : File_Type;
|
(File : File_Type;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer;
|
Ptr : in out Integer;
|
Char1 : Character;
|
Char1 : Character;
|
Char2 : Character)
|
Char2 : Character)
|
is
|
is
|
ch : int;
|
ch : int;
|
|
|
begin
|
begin
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
null;
|
null;
|
|
|
else
|
else
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch = Character'Pos (Char1)
|
if ch = Character'Pos (Char1)
|
or else ch = Character'Pos (Char2)
|
or else ch = Character'Pos (Char2)
|
then
|
then
|
Store_Char (File, ch, Buf, Ptr);
|
Store_Char (File, ch, Buf, Ptr);
|
else
|
else
|
Ungetc (ch, File);
|
Ungetc (ch, File);
|
end if;
|
end if;
|
end if;
|
end if;
|
end Load;
|
end Load;
|
|
|
-----------------
|
-----------------
|
-- Load_Digits --
|
-- Load_Digits --
|
-----------------
|
-----------------
|
|
|
procedure Load_Digits
|
procedure Load_Digits
|
(File : File_Type;
|
(File : File_Type;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer;
|
Ptr : in out Integer;
|
Loaded : out Boolean)
|
Loaded : out Boolean)
|
is
|
is
|
ch : int;
|
ch : int;
|
After_Digit : Boolean;
|
After_Digit : Boolean;
|
|
|
begin
|
begin
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
Loaded := False;
|
Loaded := False;
|
return;
|
return;
|
|
|
else
|
else
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch not in Character'Pos ('0') .. Character'Pos ('9') then
|
if ch not in Character'Pos ('0') .. Character'Pos ('9') then
|
Loaded := False;
|
Loaded := False;
|
|
|
else
|
else
|
Loaded := True;
|
Loaded := True;
|
After_Digit := True;
|
After_Digit := True;
|
|
|
loop
|
loop
|
Store_Char (File, ch, Buf, Ptr);
|
Store_Char (File, ch, Buf, Ptr);
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch in Character'Pos ('0') .. Character'Pos ('9') then
|
if ch in Character'Pos ('0') .. Character'Pos ('9') then
|
After_Digit := True;
|
After_Digit := True;
|
|
|
elsif ch = Character'Pos ('_') and then After_Digit then
|
elsif ch = Character'Pos ('_') and then After_Digit then
|
After_Digit := False;
|
After_Digit := False;
|
|
|
else
|
else
|
exit;
|
exit;
|
end if;
|
end if;
|
end loop;
|
end loop;
|
end if;
|
end if;
|
|
|
Ungetc (ch, File);
|
Ungetc (ch, File);
|
end if;
|
end if;
|
end Load_Digits;
|
end Load_Digits;
|
|
|
procedure Load_Digits
|
procedure Load_Digits
|
(File : File_Type;
|
(File : File_Type;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer)
|
Ptr : in out Integer)
|
is
|
is
|
ch : int;
|
ch : int;
|
After_Digit : Boolean;
|
After_Digit : Boolean;
|
|
|
begin
|
begin
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
return;
|
return;
|
|
|
else
|
else
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch in Character'Pos ('0') .. Character'Pos ('9') then
|
if ch in Character'Pos ('0') .. Character'Pos ('9') then
|
After_Digit := True;
|
After_Digit := True;
|
|
|
loop
|
loop
|
Store_Char (File, ch, Buf, Ptr);
|
Store_Char (File, ch, Buf, Ptr);
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch in Character'Pos ('0') .. Character'Pos ('9') then
|
if ch in Character'Pos ('0') .. Character'Pos ('9') then
|
After_Digit := True;
|
After_Digit := True;
|
|
|
elsif ch = Character'Pos ('_') and then After_Digit then
|
elsif ch = Character'Pos ('_') and then After_Digit then
|
After_Digit := False;
|
After_Digit := False;
|
|
|
else
|
else
|
exit;
|
exit;
|
end if;
|
end if;
|
end loop;
|
end loop;
|
end if;
|
end if;
|
|
|
Ungetc (ch, File);
|
Ungetc (ch, File);
|
end if;
|
end if;
|
end Load_Digits;
|
end Load_Digits;
|
|
|
--------------------------
|
--------------------------
|
-- Load_Extended_Digits --
|
-- Load_Extended_Digits --
|
--------------------------
|
--------------------------
|
|
|
procedure Load_Extended_Digits
|
procedure Load_Extended_Digits
|
(File : File_Type;
|
(File : File_Type;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer;
|
Ptr : in out Integer;
|
Loaded : out Boolean)
|
Loaded : out Boolean)
|
is
|
is
|
ch : int;
|
ch : int;
|
After_Digit : Boolean := False;
|
After_Digit : Boolean := False;
|
|
|
begin
|
begin
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
Loaded := False;
|
Loaded := False;
|
return;
|
return;
|
|
|
else
|
else
|
Loaded := False;
|
Loaded := False;
|
|
|
loop
|
loop
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch in Character'Pos ('0') .. Character'Pos ('9')
|
if ch in Character'Pos ('0') .. Character'Pos ('9')
|
or else
|
or else
|
ch in Character'Pos ('a') .. Character'Pos ('f')
|
ch in Character'Pos ('a') .. Character'Pos ('f')
|
or else
|
or else
|
ch in Character'Pos ('A') .. Character'Pos ('F')
|
ch in Character'Pos ('A') .. Character'Pos ('F')
|
then
|
then
|
After_Digit := True;
|
After_Digit := True;
|
|
|
elsif ch = Character'Pos ('_') and then After_Digit then
|
elsif ch = Character'Pos ('_') and then After_Digit then
|
After_Digit := False;
|
After_Digit := False;
|
|
|
else
|
else
|
exit;
|
exit;
|
end if;
|
end if;
|
|
|
Store_Char (File, ch, Buf, Ptr);
|
Store_Char (File, ch, Buf, Ptr);
|
Loaded := True;
|
Loaded := True;
|
end loop;
|
end loop;
|
|
|
Ungetc (ch, File);
|
Ungetc (ch, File);
|
end if;
|
end if;
|
end Load_Extended_Digits;
|
end Load_Extended_Digits;
|
|
|
procedure Load_Extended_Digits
|
procedure Load_Extended_Digits
|
(File : File_Type;
|
(File : File_Type;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer)
|
Ptr : in out Integer)
|
is
|
is
|
Junk : Boolean;
|
Junk : Boolean;
|
pragma Unreferenced (Junk);
|
pragma Unreferenced (Junk);
|
begin
|
begin
|
Load_Extended_Digits (File, Buf, Ptr, Junk);
|
Load_Extended_Digits (File, Buf, Ptr, Junk);
|
end Load_Extended_Digits;
|
end Load_Extended_Digits;
|
|
|
---------------
|
---------------
|
-- Load_Skip --
|
-- Load_Skip --
|
---------------
|
---------------
|
|
|
procedure Load_Skip (File : File_Type) is
|
procedure Load_Skip (File : File_Type) is
|
C : Character;
|
C : Character;
|
|
|
begin
|
begin
|
FIO.Check_Read_Status (AP (File));
|
FIO.Check_Read_Status (AP (File));
|
|
|
-- We need to explicitly test for the case of being before a wide
|
-- We need to explicitly test for the case of being before a wide
|
-- character (greater than 16#7F#). Since no such character can
|
-- character (greater than 16#7F#). Since no such character can
|
-- ever legitimately be a valid numeric character, we can
|
-- ever legitimately be a valid numeric character, we can
|
-- immediately signal Data_Error.
|
-- immediately signal Data_Error.
|
|
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
raise Data_Error;
|
raise Data_Error;
|
end if;
|
end if;
|
|
|
-- Otherwise loop till we find a non-blank character (note that as
|
-- Otherwise loop till we find a non-blank character (note that as
|
-- usual in Wide_Text_IO, blank includes horizontal tab). Note that
|
-- usual in Wide_Text_IO, blank includes horizontal tab). Note that
|
-- Get_Character deals with Before_LM/Before_LM_PM flags appropriately.
|
-- Get_Character deals with Before_LM/Before_LM_PM flags appropriately.
|
|
|
loop
|
loop
|
Get_Character (File, C);
|
Get_Character (File, C);
|
exit when not Is_Blank (C);
|
exit when not Is_Blank (C);
|
end loop;
|
end loop;
|
|
|
Ungetc (Character'Pos (C), File);
|
Ungetc (Character'Pos (C), File);
|
File.Col := File.Col - 1;
|
File.Col := File.Col - 1;
|
end Load_Skip;
|
end Load_Skip;
|
|
|
----------------
|
----------------
|
-- Load_Width --
|
-- Load_Width --
|
----------------
|
----------------
|
|
|
procedure Load_Width
|
procedure Load_Width
|
(File : File_Type;
|
(File : File_Type;
|
Width : Field;
|
Width : Field;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer)
|
Ptr : in out Integer)
|
is
|
is
|
ch : int;
|
ch : int;
|
WC : Wide_Character;
|
WC : Wide_Character;
|
|
|
Bad_Wide_C : Boolean := False;
|
Bad_Wide_C : Boolean := False;
|
-- Set True if one of the characters read is not in range of type
|
-- Set True if one of the characters read is not in range of type
|
-- Character. This is always a Data_Error, but we do not signal it
|
-- Character. This is always a Data_Error, but we do not signal it
|
-- right away, since we have to read the full number of characters.
|
-- right away, since we have to read the full number of characters.
|
|
|
begin
|
begin
|
FIO.Check_Read_Status (AP (File));
|
FIO.Check_Read_Status (AP (File));
|
|
|
-- If we are immediately before a line mark, then we have no characters.
|
-- 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.
|
-- This is always a data error, so we may as well raise it right away.
|
|
|
if File.Before_LM then
|
if File.Before_LM then
|
raise Data_Error;
|
raise Data_Error;
|
|
|
else
|
else
|
for J in 1 .. Width loop
|
for J in 1 .. Width loop
|
if File.Before_Wide_Character then
|
if File.Before_Wide_Character then
|
Bad_Wide_C := True;
|
Bad_Wide_C := True;
|
Store_Char (File, 0, Buf, Ptr);
|
Store_Char (File, 0, Buf, Ptr);
|
File.Before_Wide_Character := False;
|
File.Before_Wide_Character := False;
|
|
|
else
|
else
|
ch := Getc (File);
|
ch := Getc (File);
|
|
|
if ch = EOF then
|
if ch = EOF then
|
exit;
|
exit;
|
|
|
elsif ch = LM then
|
elsif ch = LM then
|
Ungetc (ch, File);
|
Ungetc (ch, File);
|
exit;
|
exit;
|
|
|
else
|
else
|
WC := Get_Wide_Char (Character'Val (ch), File);
|
WC := Get_Wide_Char (Character'Val (ch), File);
|
ch := Wide_Character'Pos (WC);
|
ch := Wide_Character'Pos (WC);
|
|
|
if ch > 255 then
|
if ch > 255 then
|
Bad_Wide_C := True;
|
Bad_Wide_C := True;
|
ch := 0;
|
ch := 0;
|
end if;
|
end if;
|
|
|
Store_Char (File, ch, Buf, Ptr);
|
Store_Char (File, ch, Buf, Ptr);
|
end if;
|
end if;
|
end if;
|
end if;
|
end loop;
|
end loop;
|
|
|
if Bad_Wide_C then
|
if Bad_Wide_C then
|
raise Data_Error;
|
raise Data_Error;
|
end if;
|
end if;
|
end if;
|
end if;
|
end Load_Width;
|
end Load_Width;
|
|
|
--------------
|
--------------
|
-- Put_Item --
|
-- Put_Item --
|
--------------
|
--------------
|
|
|
procedure Put_Item (File : File_Type; Str : String) is
|
procedure Put_Item (File : File_Type; Str : String) is
|
begin
|
begin
|
Check_On_One_Line (File, Str'Length);
|
Check_On_One_Line (File, Str'Length);
|
|
|
for J in Str'Range loop
|
for J in Str'Range loop
|
Put (File, Wide_Character'Val (Character'Pos (Str (J))));
|
Put (File, Wide_Character'Val (Character'Pos (Str (J))));
|
end loop;
|
end loop;
|
end Put_Item;
|
end Put_Item;
|
|
|
----------------
|
----------------
|
-- Store_Char --
|
-- Store_Char --
|
----------------
|
----------------
|
|
|
procedure Store_Char
|
procedure Store_Char
|
(File : File_Type;
|
(File : File_Type;
|
ch : Integer;
|
ch : Integer;
|
Buf : out String;
|
Buf : out String;
|
Ptr : in out Integer)
|
Ptr : in out Integer)
|
is
|
is
|
begin
|
begin
|
File.Col := File.Col + 1;
|
File.Col := File.Col + 1;
|
|
|
if Ptr = Buf'Last then
|
if Ptr = Buf'Last then
|
raise Data_Error;
|
raise Data_Error;
|
else
|
else
|
Ptr := Ptr + 1;
|
Ptr := Ptr + 1;
|
Buf (Ptr) := Character'Val (ch);
|
Buf (Ptr) := Character'Val (ch);
|
end if;
|
end if;
|
end Store_Char;
|
end Store_Char;
|
|
|
-----------------
|
-----------------
|
-- String_Skip --
|
-- String_Skip --
|
-----------------
|
-----------------
|
|
|
procedure String_Skip (Str : String; Ptr : out Integer) is
|
procedure String_Skip (Str : String; Ptr : out Integer) is
|
begin
|
begin
|
Ptr := Str'First;
|
Ptr := Str'First;
|
|
|
loop
|
loop
|
if Ptr > Str'Last then
|
if Ptr > Str'Last then
|
raise End_Error;
|
raise End_Error;
|
|
|
elsif not Is_Blank (Str (Ptr)) then
|
elsif not Is_Blank (Str (Ptr)) then
|
return;
|
return;
|
|
|
else
|
else
|
Ptr := Ptr + 1;
|
Ptr := Ptr + 1;
|
end if;
|
end if;
|
end loop;
|
end loop;
|
end String_Skip;
|
end String_Skip;
|
|
|
------------
|
------------
|
-- Ungetc --
|
-- Ungetc --
|
------------
|
------------
|
|
|
procedure Ungetc (ch : int; File : File_Type) is
|
procedure Ungetc (ch : int; File : File_Type) is
|
begin
|
begin
|
if ch /= EOF then
|
if ch /= EOF then
|
if ungetc (ch, File.Stream) = EOF then
|
if ungetc (ch, File.Stream) = EOF then
|
raise Device_Error;
|
raise Device_Error;
|
end if;
|
end if;
|
end if;
|
end if;
|
end Ungetc;
|
end Ungetc;
|
|
|
end Ada.Wide_Text_IO.Generic_Aux;
|
end Ada.Wide_Text_IO.Generic_Aux;
|
|
|
