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author | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2012-10-01 10:30:31 -0700 |
commit | 82bcbebce43f0227f506d75a5b764b6847041bae (patch) | |
tree | fe9f8597b48a430c4daeb5123e3e8eb28e6f9da9 /gcc-4.7/gcc/ada/s-conca4.ads | |
parent | 3c052de3bb16ac53b6b6ed659ec7557eb84c7590 (diff) | |
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Initial check-in of gcc 4.7.2.
Change-Id: I4a2f5a921c21741a0e18bda986d77e5f1bef0365
Diffstat (limited to 'gcc-4.7/gcc/ada/s-conca4.ads')
-rw-r--r-- | gcc-4.7/gcc/ada/s-conca4.ads | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc-4.7/gcc/ada/s-conca4.ads b/gcc-4.7/gcc/ada/s-conca4.ads new file mode 100644 index 000000000..43ce1bc3b --- /dev/null +++ b/gcc-4.7/gcc/ada/s-conca4.ads @@ -0,0 +1,52 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- +-- -- +-- S Y S T E M . C O N C A T _ 4 -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2008-2009, 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 a procedure for runtime concatenation of four string +-- operands. It is used when we want to save space in the generated code. + +pragma Compiler_Unit; + +package System.Concat_4 is + + procedure Str_Concat_4 (R : out String; S1, S2, S3, S4 : String); + -- Performs the operation R := S1 & S2 & S3 & S4. The bounds + -- of R are known to be correct (usually set by a call to the + -- Str_Concat_Bounds_5 procedure below), so no bounds checks are required, + -- and it is known that none of the input operands overlaps R. No + -- assumptions can be made about the lower bounds of any of the operands. + + procedure Str_Concat_Bounds_4 + (Lo, Hi : out Natural; + S1, S2, S3, S4 : String); + -- Assigns to Lo..Hi the bounds of the result of concatenating the four + -- given strings, following the rules in the RM regarding null operands. + +end System.Concat_4; |