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Diffstat (limited to 'gcc/ada/a-wwboio.adb')
| -rw-r--r-- | gcc/ada/a-wwboio.adb | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/gcc/ada/a-wwboio.adb b/gcc/ada/a-wwboio.adb new file mode 100644 index 000000000..37a101def --- /dev/null +++ b/gcc/ada/a-wwboio.adb @@ -0,0 +1,179 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . W I D E _ T E X T _ I O . W I D E _ B O U N D E D _ I O -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1997-2009, 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 Ada.Wide_Text_IO; use Ada.Wide_Text_IO; +with Ada.Unchecked_Deallocation; + +package body Ada.Wide_Text_IO.Wide_Bounded_IO is + + type Wide_String_Access is access all Wide_String; + + procedure Free (WSA : in out Wide_String_Access); + -- Perform an unchecked deallocation of a non-null string + + ---------- + -- Free -- + ---------- + + procedure Free (WSA : in out Wide_String_Access) is + Null_Wide_String : constant Wide_String := ""; + + procedure Deallocate is + new Ada.Unchecked_Deallocation (Wide_String, Wide_String_Access); + + begin + -- Do not try to free statically allocated null string + + if WSA.all /= Null_Wide_String then + Deallocate (WSA); + end if; + end Free; + + -------------- + -- Get_Line -- + -------------- + + function Get_Line return Wide_Bounded.Bounded_Wide_String is + begin + return Wide_Bounded.To_Bounded_Wide_String (Get_Line); + end Get_Line; + + -------------- + -- Get_Line -- + -------------- + + function Get_Line + (File : File_Type) return Wide_Bounded.Bounded_Wide_String + is + begin + return Wide_Bounded.To_Bounded_Wide_String (Get_Line (File)); + end Get_Line; + + -------------- + -- Get_Line -- + -------------- + + procedure Get_Line + (Item : out Wide_Bounded.Bounded_Wide_String) + is + Buffer : Wide_String (1 .. 1000); + Last : Natural; + Str1 : Wide_String_Access; + Str2 : Wide_String_Access; + + begin + Get_Line (Buffer, Last); + Str1 := new Wide_String'(Buffer (1 .. Last)); + + while Last = Buffer'Last loop + Get_Line (Buffer, Last); + Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last)); + Free (Str1); + Str1 := Str2; + end loop; + + Item := Wide_Bounded.To_Bounded_Wide_String (Str1.all); + end Get_Line; + + -------------- + -- Get_Line -- + -------------- + + procedure Get_Line + (File : File_Type; + Item : out Wide_Bounded.Bounded_Wide_String) + is + Buffer : Wide_String (1 .. 1000); + Last : Natural; + Str1 : Wide_String_Access; + Str2 : Wide_String_Access; + + begin + Get_Line (File, Buffer, Last); + Str1 := new Wide_String'(Buffer (1 .. Last)); + + while Last = Buffer'Last loop + Get_Line (File, Buffer, Last); + Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last)); + Free (Str1); + Str1 := Str2; + end loop; + + Item := Wide_Bounded.To_Bounded_Wide_String (Str1.all); + end Get_Line; + + --------- + -- Put -- + --------- + + procedure Put + (Item : Wide_Bounded.Bounded_Wide_String) + is + begin + Put (Wide_Bounded.To_Wide_String (Item)); + end Put; + + --------- + -- Put -- + --------- + + procedure Put + (File : File_Type; + Item : Wide_Bounded.Bounded_Wide_String) + is + begin + Put (File, Wide_Bounded.To_Wide_String (Item)); + end Put; + + -------------- + -- Put_Line -- + -------------- + + procedure Put_Line + (Item : Wide_Bounded.Bounded_Wide_String) + is + begin + Put_Line (Wide_Bounded.To_Wide_String (Item)); + end Put_Line; + + -------------- + -- Put_Line -- + -------------- + + procedure Put_Line + (File : File_Type; + Item : Wide_Bounded.Bounded_Wide_String) + is + begin + Put_Line (File, Wide_Bounded.To_Wide_String (Item)); + end Put_Line; + +end Ada.Wide_Text_IO.Wide_Bounded_IO; |