-- --
-- GNAT LIBRARY COMPONENTS --
-- --
--- A D A . C O N T A I N E R S . --
--- H A S H _ T A B L E S . G E N E R I C _ K E Y S --
+-- ADA.CONTAINERS.HASH_TABLES.GENERIC_KEYS --
-- --
-- B o d y --
-- --
--- Copyright (C) 2004-2006, Free Software Foundation, Inc. --
+-- Copyright (C) 2004-2010, 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- --
+-- 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. 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. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- 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. --
+-- 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/>. --
-- --
-- This unit was originally developed by Matthew J Heaney. --
------------------------------------------------------------------------------
if Equivalent_Keys (Key, X) then
if HT.Busy > 0 then
raise Program_Error with
- "attempt to tamper with elements (container is busy)";
+ "attempt to tamper with cursors (container is busy)";
end if;
HT.Buckets (Indx) := Next (X);
HT.Length := HT.Length - 1;
if Equivalent_Keys (Key, X) then
if HT.Busy > 0 then
raise Program_Error with
- "attempt to tamper with elements (container is busy)";
+ "attempt to tamper with cursors (container is busy)";
end if;
Set_Next (Node => Prev, Next => Next (X));
HT.Length := HT.Length - 1;
if B = null then
if HT.Busy > 0 then
raise Program_Error with
- "attempt to tamper with elements (container is busy)";
+ "attempt to tamper with cursors (container is busy)";
end if;
if HT.Length = Count_Type'Last then
if HT.Busy > 0 then
raise Program_Error with
- "attempt to tamper with elements (container is busy)";
+ "attempt to tamper with cursors (container is busy)";
end if;
if HT.Length = Count_Type'Last then
if HT.Lock > 0 then
raise Program_Error with
- "attempt to tamper with cursors (container is locked)";
+ "attempt to tamper with elements (container is locked)";
end if;
-- We can change a node's key to Key (that's what Assign is for), but
end loop;
-- We have determined that Key is not already in the hash table, so
- -- the change is tenatively allowed. We now perform the standard
+ -- the change is tentatively allowed. We now perform the standard
-- checks to determine whether the hash table is locked (because you
-- cannot change an element while it's in use by Query_Element or
-- Update_Element), or if the container is busy (because moving a
if HT.Lock > 0 then
raise Program_Error with
- "attempt to tamper with cursors (container is locked)";
+ "attempt to tamper with elements (container is locked)";
end if;
Assign (Node, Key);
return;
end if;
- -- The node is a bucket different from the bucket implied by Key.
+ -- The node is a bucket different from the bucket implied by Key
if HT.Busy > 0 then
raise Program_Error with
- "attempt to tamper with elements (container is busy)";
+ "attempt to tamper with cursors (container is busy)";
end if;
-- Do the assignment first, before moving the node, so that if Assign
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