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Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-wchwts.ads')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/s-wchwts.ads | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-wchwts.ads b/gcc-4.2.1/gcc/ada/s-wchwts.ads new file mode 100644 index 000000000..235970146 --- /dev/null +++ b/gcc-4.2.1/gcc/ada/s-wchwts.ads @@ -0,0 +1,64 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . W C H _ W T S -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2005, 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 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. -- +-- -- +------------------------------------------------------------------------------ + +-- This package contains the routine used to convert wide strings and wide +-- wide stringsto strings for use by wide and wide wide character attributes +-- (value, image etc.) and also by the numeric IO subpackages of +-- Ada.Text_IO.Wide_Text_IO and Ada.Text_IO.Wide_Wide_Text_IO. + +with System.WCh_Con; + +package System.WCh_WtS is + pragma Pure; + + function Wide_String_To_String + (S : Wide_String; + EM : System.WCh_Con.WC_Encoding_Method) return String; + -- This routine simply takes its argument and converts it to a string, + -- using the internal compiler escape sequence convention (defined in + -- package Widechar) to translate characters that are out of range + -- of type String. In the context of the Wide_Value attribute, the + -- argument is the original attribute argument, and the result is used + -- in a call to the corresponding Value attribute function. If the method + -- for encoding is a shift-in, shift-out convention, then it is assumed + -- that normal (non-wide character) mode holds at the start and end of + -- the result string. EM indicates the wide character encoding method. + -- Note: in the WCEM_Brackets case, we only use the brackets encoding + -- for characters greater than 16#FF#. + + function Wide_Wide_String_To_String + (S : Wide_Wide_String; + EM : System.WCh_Con.WC_Encoding_Method) return String; + -- Same processing, except for Wide_Wide_String + +end System.WCh_WtS; |