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Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-strops.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/s-strops.adb | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-strops.adb b/gcc-4.2.1/gcc/ada/s-strops.adb new file mode 100644 index 000000000..c5552ebc0 --- /dev/null +++ b/gcc-4.2.1/gcc/ada/s-strops.adb @@ -0,0 +1,105 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- +-- -- +-- S Y S T E M . S T R I N G _ O P S -- +-- -- +-- B o d y -- +-- -- +-- 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. -- +-- -- +------------------------------------------------------------------------------ + +package body System.String_Ops is + + ---------------- + -- Str_Concat -- + ---------------- + + function Str_Concat (X, Y : String) return String is + begin + if X'Length <= 0 then + return Y; + + else + declare + L : constant Natural := X'Length + Y'Length; + R : String (X'First .. X'First + L - 1); + + begin + R (X'Range) := X; + R (X'First + X'Length .. R'Last) := Y; + return R; + end; + end if; + end Str_Concat; + + ------------------- + -- Str_Concat_CC -- + ------------------- + + function Str_Concat_CC (X, Y : Character) return String is + R : String (1 .. 2); + + begin + R (1) := X; + R (2) := Y; + return R; + end Str_Concat_CC; + + ------------------- + -- Str_Concat_CS -- + ------------------- + + function Str_Concat_CS (X : Character; Y : String) return String is + R : String (1 .. Y'Length + 1); + + begin + R (1) := X; + R (2 .. R'Last) := Y; + return R; + end Str_Concat_CS; + + ------------------- + -- Str_Concat_SC -- + ------------------- + + function Str_Concat_SC (X : String; Y : Character) return String is + begin + if X'Length <= 0 then + return (1 => Y); + + else + declare + R : String (X'First .. X'Last + 1); + + begin + R (X'Range) := X; + R (R'Last) := Y; + return R; + end; + end if; + end Str_Concat_SC; + +end System.String_Ops; |