diff options
Diffstat (limited to 'gcc-4.3.1/gcc/ada/s-wchstw.ads')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/s-wchstw.ads | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/s-wchstw.ads b/gcc-4.3.1/gcc/ada/s-wchstw.ads new file mode 100644 index 000000000..7bd352958 --- /dev/null +++ b/gcc-4.3.1/gcc/ada/s-wchstw.ads @@ -0,0 +1,70 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . W C H _ S T W -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2007, 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 strings to wide (wide) +-- strings for use by wide (wide) image attribute. + +with System.WCh_Con; + +package System.WCh_StW is + pragma Pure; + + procedure String_To_Wide_String + (S : String; + R : out Wide_String; + L : out Natural; + EM : System.WCh_Con.WC_Encoding_Method); + -- This routine simply takes its argument and converts it to wide string + -- format, storing the result in R (1 .. L), with L being set appropriately + -- on return. The caller guarantees that R is long enough to accomodate the + -- result. This is used in the context of the Wide_Image attribute, where + -- the argument is the corresponding 'Image attribute. Any wide character + -- escape sequences in the string are converted to the corresponding wide + -- character value. No syntax checks are made, it is assumed that any such + -- sequences are validly formed (this must be assured by the caller), and + -- results from the fact that Wide_Image is only used on strings that have + -- been built by the compiler, such as images of enumeration literals. 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 argument string. EM indicates the wide character encoding method. + -- Note: in the WCEM_Brackets case, the brackets escape sequence is used + -- only for codes greater than 16#FF#. + + procedure String_To_Wide_Wide_String + (S : String; + R : out Wide_Wide_String; + L : out Natural; + EM : System.WCh_Con.WC_Encoding_Method); + -- Same function with Wide_Wide_String output + +end System.WCh_StW; |