diff options
Diffstat (limited to 'gcc/ada/libgnat/s-conca3.adb')
| -rw-r--r-- | gcc/ada/libgnat/s-conca3.adb | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc/ada/libgnat/s-conca3.adb b/gcc/ada/libgnat/s-conca3.adb new file mode 100644 index 00000000000..06f8ec24231 --- /dev/null +++ b/gcc/ada/libgnat/s-conca3.adb @@ -0,0 +1,78 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- +-- -- +-- S Y S T E M . C O N C A T _ 3 -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2008-2017, 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. -- +-- -- +------------------------------------------------------------------------------ + +pragma Compiler_Unit_Warning; + +with System.Concat_2; + +package body System.Concat_3 is + + pragma Suppress (All_Checks); + + ------------------ + -- Str_Concat_3 -- + ------------------ + + procedure Str_Concat_3 (R : out String; S1, S2, S3 : String) is + F, L : Natural; + + begin + F := R'First; + L := F + S1'Length - 1; + R (F .. L) := S1; + + F := L + 1; + L := F + S2'Length - 1; + R (F .. L) := S2; + + F := L + 1; + L := R'Last; + R (F .. L) := S3; + end Str_Concat_3; + + ------------------------- + -- Str_Concat_Bounds_3 -- + ------------------------- + + procedure Str_Concat_Bounds_3 + (Lo, Hi : out Natural; + S1, S2, S3 : String) + is + begin + System.Concat_2.Str_Concat_Bounds_2 (Lo, Hi, S2, S3); + + if S1 /= "" then + Hi := S1'Last + Hi - Lo + 1; + Lo := S1'First; + end if; + end Str_Concat_Bounds_3; + +end System.Concat_3; |