From 7ce1e9473ed905b0abcbe66b2fef2c81c8e3cffa Mon Sep 17 00:00:00 2001 From: charlet Date: Wed, 9 Feb 2005 11:14:42 +0000 Subject: * a-rbtgso.adb, a-crbtgo.ads, a-crbtgo.adb, a-crbtgk.ads, a-crbtgk.adb, a-crbltr.ads, a-coprnu.ads, a-coprnu.adb, a-coorse.ads, a-coorse.adb, a-convec.ads, a-convec.adb, a-contai.ads, a-coinve.ads, a-coinve.adb, a-cohata.ads, a-cohama.ads, a-cohama.adb, a-ciorse.ads, a-ciorse.adb, a-cihama.ads, a-cihama.adb, a-cidlli.ads, a-cidlli.adb, a-chtgop.ads, a-chtgop.adb, a-cgcaso.ads, a-cgcaso.adb, a-cgarso.ads, a-cgarso.adb, a-cdlili.ads, a-cdlili.adb, a-cgaaso.adb, a-coormu.adb, a-ciormu.adb, a-cihase.adb, a-cihase.ads, a-cohase.adb, a-cohase.ads, a-ciorma.ads, a-coorma.ads, a-swunha.ads, a-stunha.ads, a-ciormu.ads, a-coormu.ads, a-rbtgso.ads, a-swunha.adb, a-stunha.adb, a-cgaaso.ads, a-ciorma.adb, a-coorma.adb, a-secain.adb, a-secain.ads, a-slcain.ads, a-slcain.adb, a-shcain.ads, a-shcain.adb, a-chtgke.ads, a-chtgke.adb, a-stwiha.ads, a-stwiha.adb, a-strhas.ads, a-strhas.adb, a-chzla1.ads, a-chzla9.ads, a-lfztio.ads, a-liztio.ads, a-llfzti.ads, a-llizti.ads, a-sfztio.ads, a-siztio.ads, a-ssizti.ads, a-stzbou.adb, a-stzbou.ads, a-stzfix.adb, a-stzfix.ads, a-stzhas.adb, a-stzhas.ads, a-stzmap.adb, a-stzmap.ads, a-stzsea.adb, a-stzsea.ads, a-stzsup.adb, a-stzsup.ads, a-stzunb.adb, a-stzunb.ads, a-swunau.adb, a-swunau.ads, a-szmzco.ads, a-szunau.adb, a-szunau.ads, a-szunha.adb, a-szunha.ads, a-szuzti.adb, a-szuzti.ads, a-tiunio.ads, a-wwunio.ads, a-ztcoau.adb, a-ztcoau.ads, a-ztcoio.adb, a-ztcoio.ads, a-ztcstr.adb, a-ztcstr.ads, a-ztdeau.adb, a-ztdeau.ads, a-ztdeio.adb, a-ztdeio.ads, a-ztedit.adb, a-ztedit.ads, a-ztenau.adb, a-ztenau.ads, a-ztenio.adb, a-ztenio.ads, a-ztexio.adb, a-ztexio.ads, a-ztfiio.adb, a-ztfiio.ads, a-ztflau.adb, a-ztflau.ads, a-ztflio.adb, a-ztflio.ads, a-ztgeau.adb, a-ztgeau.ads, a-ztinau.adb, a-ztinau.ads, a-ztinio.adb, a-ztinio.ads, a-ztmoau.adb, a-ztmoau.ads, a-ztmoio.adb, a-ztmoio.ads, a-zttest.adb, a-zttest.ads, a-zzunio.ads: New files. Part of new Ada 2005 library. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94764 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ada/a-stunha.adb | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 gcc/ada/a-stunha.adb (limited to 'gcc/ada/a-stunha.adb') diff --git a/gcc/ada/a-stunha.adb b/gcc/ada/a-stunha.adb new file mode 100644 index 00000000000..a6b6920514e --- /dev/null +++ b/gcc/ada/a-stunha.adb @@ -0,0 +1,57 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT LIBRARY COMPONENTS -- +-- -- +-- ADA.STRINGS.UNBOUNDED.HASH -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2004 Free Software Foundation, Inc. -- +-- -- +-- This specification is derived from the Ada Reference Manual for use with -- +-- GNAT. The copyright notice above, and the license provisions that follow -- +-- apply solely to the contents of the part following the private keyword. -- +-- -- +-- 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, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, 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. -- +-- -- +-- This unit was originally developed by Matthew J Heaney. -- +------------------------------------------------------------------------------ + +-- Note: source of this algorithm: GNAT.HTable.Hash (g-htable.adb) + +function Ada.Strings.Unbounded.Hash + (Key : Unbounded_String) return Containers.Hash_Type +is + use Ada.Containers; + + function Rotate_Left + (Value : Hash_Type; + Amount : Natural) return Hash_Type; + pragma Import (Intrinsic, Rotate_Left); + + Tmp : Hash_Type; + +begin + Tmp := 0; + for J in 1 .. Key.Last loop + Tmp := Rotate_Left (Tmp, 1) + Character'Pos (Key.Reference (J)); + end loop; + + return Tmp; +end Ada.Strings.Unbounded.Hash; -- cgit v1.2.1