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Diffstat (limited to 'gcc-4.4.0/gcc/ada/s-wchstw.ads')
| -rw-r--r-- | gcc-4.4.0/gcc/ada/s-wchstw.ads | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/gcc-4.4.0/gcc/ada/s-wchstw.ads b/gcc-4.4.0/gcc/ada/s-wchstw.ads new file mode 100644 index 000000000..7445c59e9 --- /dev/null +++ b/gcc-4.4.0/gcc/ada/s-wchstw.ads @@ -0,0 +1,69 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . W C H _ S T W -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2009, 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. -- +-- -- +------------------------------------------------------------------------------ + +-- 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 accommodate + -- 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; |