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|
-------------------------------------------------------------------------------
--
-- Copyright (C) 2003, 2009, 2014 Stephen Leake
-- Copyright (C) 1999 Ted Dennison
--
-- This file is part of the OpenToken package.
--
-- The OpenToken package is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License as published
-- by the Free Software Foundation; either version 3, or (at your option)
-- any later version. The OpenToken package is distributed in the hope that
-- it will be useful, but WITHOUT 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 the OpenToken
-- package; see file GPL.txt. 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 package declares a type for designating an integer. Useful as
-- a literal in LR parsers, or an integer value in recursive descent
-- parsers.
-----------------------------------------------------------------------------
generic
package OpenToken.Token.Enumerated.Integer is
type Instance is new OpenToken.Token.Enumerated.Instance with record
Value : Standard.Integer;
end record;
subtype Class is Instance'Class;
type Handle is access all Class;
----------------------------------------------------------------------------
-- Get an integer token
----------------------------------------------------------------------------
function Get
(ID : in Token_ID;
Value : in Standard.Integer := 0;
Name : in String := "";
Build : in Action := null)
return Instance'Class;
overriding procedure Create
(Lexeme : in String;
Bounds : in Buffer_Range;
Recognizer : in Recognizer_Handle;
New_Token : in out Instance);
overriding procedure Copy
(To : in out Instance;
From : in Token.Class);
--------------------------------------------------------------------
-- If Trace_Parse, include the current value in the name, to help
-- decipher parser trace output. We don't include it otherwise
-- since it is confusing as part of an "expected ..." error
-- message.
--------------------------------------------------------------------
overriding function Name (Token : in Instance) return String;
end OpenToken.Token.Enumerated.Integer;
|
