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Diffstat (limited to 'gcc-4.2.1/gcc/ada/a-chacon.adb')
| -rwxr-xr-x | gcc-4.2.1/gcc/ada/a-chacon.adb | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/a-chacon.adb b/gcc-4.2.1/gcc/ada/a-chacon.adb new file mode 100755 index 000000000..9884337fe --- /dev/null +++ b/gcc-4.2.1/gcc/ada/a-chacon.adb @@ -0,0 +1,267 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . C H A R A C T E R S . H A N D L I N G -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2005, 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 2, 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package body Ada.Characters.Conversions is + + ------------------ + -- Is_Character -- + ------------------ + + function Is_Character (Item : Wide_Character) return Boolean is + begin + return Wide_Character'Pos (Item) < 256; + end Is_Character; + + function Is_Character (Item : Wide_Wide_Character) return Boolean is + begin + return Wide_Wide_Character'Pos (Item) < 256; + end Is_Character; + + --------------- + -- Is_String -- + --------------- + + function Is_String (Item : Wide_String) return Boolean is + begin + for J in Item'Range loop + if Wide_Character'Pos (Item (J)) >= 256 then + return False; + end if; + end loop; + + return True; + end Is_String; + + function Is_String (Item : Wide_Wide_String) return Boolean is + begin + for J in Item'Range loop + if Wide_Wide_Character'Pos (Item (J)) >= 256 then + return False; + end if; + end loop; + + return True; + end Is_String; + + ----------------------- + -- Is_Wide_Character -- + ----------------------- + + function Is_Wide_Character (Item : Wide_Wide_Character) return Boolean is + begin + return Wide_Wide_Character'Pos (Item) < 2**16; + end Is_Wide_Character; + + -------------------- + -- Is_Wide_String -- + -------------------- + + function Is_Wide_String (Item : Wide_Wide_String) return Boolean is + begin + for J in Item'Range loop + if Wide_Wide_Character'Pos (Item (J)) >= 2**16 then + return False; + end if; + end loop; + + return True; + end Is_Wide_String; + + ------------------ + -- To_Character -- + ------------------ + + function To_Character + (Item : Wide_Character; + Substitute : Character := ' ') return Character + is + begin + if Is_Character (Item) then + return Character'Val (Wide_Character'Pos (Item)); + else + return Substitute; + end if; + end To_Character; + + function To_Character + (Item : Wide_Wide_Character; + Substitute : Character := ' ') return Character + is + begin + if Is_Character (Item) then + return Character'Val (Wide_Wide_Character'Pos (Item)); + else + return Substitute; + end if; + end To_Character; + + --------------- + -- To_String -- + --------------- + + function To_String + (Item : Wide_String; + Substitute : Character := ' ') return String + is + Result : String (1 .. Item'Length); + + begin + for J in Item'Range loop + Result (J - (Item'First - 1)) := To_Character (Item (J), Substitute); + end loop; + + return Result; + end To_String; + + function To_String + (Item : Wide_Wide_String; + Substitute : Character := ' ') return String + is + Result : String (1 .. Item'Length); + + begin + for J in Item'Range loop + Result (J - (Item'First - 1)) := To_Character (Item (J), Substitute); + end loop; + + return Result; + end To_String; + + ----------------------- + -- To_Wide_Character -- + ----------------------- + + function To_Wide_Character + (Item : Character) return Wide_Character + is + begin + return Wide_Character'Val (Character'Pos (Item)); + end To_Wide_Character; + + function To_Wide_Character + (Item : Wide_Wide_Character; + Substitute : Wide_Character := ' ') return Wide_Character + is + begin + if Wide_Wide_Character'Pos (Item) < 2**16 then + return Wide_Character'Val (Wide_Wide_Character'Pos (Item)); + else + return Substitute; + end if; + end To_Wide_Character; + + -------------------- + -- To_Wide_String -- + -------------------- + + function To_Wide_String + (Item : String) return Wide_String + is + Result : Wide_String (1 .. Item'Length); + + begin + for J in Item'Range loop + Result (J - (Item'First - 1)) := To_Wide_Character (Item (J)); + end loop; + + return Result; + end To_Wide_String; + + function To_Wide_String + (Item : Wide_Wide_String; + Substitute : Wide_Character := ' ') return Wide_String + is + Result : Wide_String (1 .. Item'Length); + + begin + for J in Item'Range loop + Result (J - (Item'First - 1)) := + To_Wide_Character (Item (J), Substitute); + end loop; + + return Result; + end To_Wide_String; + + ---------------------------- + -- To_Wide_Wide_Character -- + ---------------------------- + + function To_Wide_Wide_Character + (Item : Character) return Wide_Wide_Character + is + begin + return Wide_Wide_Character'Val (Character'Pos (Item)); + end To_Wide_Wide_Character; + + function To_Wide_Wide_Character + (Item : Wide_Character) return Wide_Wide_Character + is + begin + return Wide_Wide_Character'Val (Wide_Character'Pos (Item)); + end To_Wide_Wide_Character; + + ------------------------- + -- To_Wide_Wide_String -- + ------------------------- + + function To_Wide_Wide_String + (Item : String) return Wide_Wide_String + is + Result : Wide_Wide_String (1 .. Item'Length); + + begin + for J in Item'Range loop + Result (J - (Item'First - 1)) := To_Wide_Wide_Character (Item (J)); + end loop; + + return Result; + end To_Wide_Wide_String; + + function To_Wide_Wide_String + (Item : Wide_String) return Wide_Wide_String + is + Result : Wide_Wide_String (1 .. Item'Length); + + begin + for J in Item'Range loop + Result (J - (Item'First - 1)) := To_Wide_Wide_Character (Item (J)); + end loop; + + return Result; + end To_Wide_Wide_String; + +end Ada.Characters.Conversions; |