-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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 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, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, 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/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
with Types; use Types;
package Table is
-pragma Elaborate_Body (Table);
+ pragma Elaborate_Body;
generic
type Table_Component_Type is private;
-- freely (expensive reallocation occurs only at major granularity
-- chunks controlled by the allocation parameters).
- -- Note: we do not make the table components aliased, since this would
- -- restict the use of table for discriminated types. If it is necessary
+ -- Note: We do not make the table components aliased, since this would
+ -- restrict the use of table for discriminated types. If it is necessary
-- to take the access of a table element, use Unrestricted_Access.
+ -- WARNING: On HPPA, the virtual addressing approach used in this unit
+ -- is incompatible with the indexing instructions on the HPPA. So when
+ -- using this unit, compile your application with -mdisable-indexing.
+
+ -- WARNING: If the table is reallocated, then the address of all its
+ -- components will change. So do not capture the address of an element
+ -- and then use the address later after the table may be reallocated.
+ -- One tricky case of this is passing an element of the table to a
+ -- subprogram by reference where the table gets reallocated during
+ -- the execution of the subprogram. The best rule to follow is never
+ -- to pass a table element as a parameter except for the case of IN
+ -- mode parameters with scalar values.
+
type Table_Type is
array (Table_Index_Type range <>) of Table_Component_Type;
-- safety is not compromised by this approach.
type Table_Ptr is access all Big_Table_Type;
+ for Table_Ptr'Storage_Size use 0;
-- The table is actually represented as a pointer to allow reallocation
Table : aliased Table_Ptr := null;
procedure Increment_Last;
pragma Inline (Increment_Last);
- -- Adds 1 to Last (same as Set_Last (Last + 1).
+ -- Adds 1 to Last (same as Set_Last (Last + 1)
procedure Decrement_Last;
pragma Inline (Decrement_Last);
- -- Subtracts 1 from Last (same as Set_Last (Last - 1).
+ -- Subtracts 1 from Last (same as Set_Last (Last - 1)
procedure Append (New_Val : Table_Component_Type);
pragma Inline (Append);
-- i.e. the table size is increased by one, and the given new item
-- stored in the newly created table element.
+ procedure Append_All (New_Vals : Table_Type);
+ -- Appends all components of New_Vals
+
procedure Set_Item
(Index : Table_Index_Type;
Item : Table_Component_Type);
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