------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . I M G _ E N U M -- -- -- -- S p e c -- -- -- -- Copyright (C) 2000-2005 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- -- -- 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. -- -- -- -- 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. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- Enumeration_Type'Image for all enumeration types except those in package -- Standard (where we have no opportunity to build image tables), and in -- package System (where it is too early to start building image tables). -- Special routines exist for the enumeration routines in these packages. package System.Img_Enum is pragma Pure; function Image_Enumeration_8 (Pos : Natural; Names : String; Indexes : System.Address) return String; -- Used to compute Enum'Image (Str) where Enum is some enumeration type -- other than those defined in package Standard. Names is a string with a -- lower bound of 1 containing the characters of all the enumeration -- literals concatenated together in sequence. Indexes is the address of an -- array of type array (0 .. N) of Natural_8, where N is the number of -- enumeration literals in the type. The Indexes values are the starting -- subscript of each enumeration literal, indexed by Pos values, with an -- extra entry at the end containing Names'Length + 1. The reason that -- Indexes is passed by address is that the actual type is created on the -- fly by the expander. The value returned is the desired 'Image value. function Image_Enumeration_16 (Pos : Natural; Names : String; Indexes : System.Address) return String; -- Identical to Image_Enumeration_8 except that it handles types -- using array (0 .. Num) of Natural_16 for the Indexes table. function Image_Enumeration_32 (Pos : Natural; Names : String; Indexes : System.Address) return String; -- Identical to Image_Enumeration_8 except that it handles types -- using array (0 .. Num) of Natural_32 for the Indexes table. end System.Img_Enum;