/usr/share/ada/adainclude/opentoken/opentoken-token-enumerated-nonterminal.adb is in libopentoken3-dev 4.0b-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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--
-- Copyright (C) 2009 Stephe 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.
--
-------------------------------------------------------------------------------
package body OpenToken.Token.Enumerated.Nonterminal is
function Get
(ID : in Token_ID := Token_ID'First;
Name : in String := "";
Build : in Action := null)
return Instance'Class
is begin
if Name = "" then
return Instance'Class (Instance'(null, ID, Build));
else
return Instance'Class (Instance'(new String'(Name), ID, Build));
end if;
end Get;
procedure Synthesize_By_Copying
(New_Token : out Instance;
Source : in OpenToken.Token.Enumerated.Instance'Class;
To_ID : in OpenToken.Token.Enumerated.Token_ID)
is begin
New_Token := Instance (Source);
New_Token.ID := To_ID;
exception
when Constraint_Error =>
raise Invalid_Synth_Argument with
"Token " & OpenToken.Token.Enumerated.Token_ID'Image (To_ID) & " cannot be synthesized " &
"solely from a " &
OpenToken.Token.Enumerated.Token_ID'Image (OpenToken.Token.Enumerated.ID (Source)) &
"; need Synthesize_Self or other action?";
end Synthesize_By_Copying;
procedure Default_Synthesize
(New_Token : out Instance;
Source : in Token_List.Instance'Class;
To_ID : in OpenToken.Token.Enumerated.Token_ID)
is begin
Synthesize_By_Copying
(New_Token => Class (New_Token),
Source => Token_List.Token_Handle (Token_List.Initial_Iterator (Source)).all,
To_ID => To_ID);
end Default_Synthesize;
procedure Self_Synthesize
(New_Token : out Class;
Source : in Token_List.Instance'Class;
To_ID : in OpenToken.Token.Enumerated.Token_ID)
is
pragma Unreferenced (Source);
begin
New_Token.ID := To_ID;
end Self_Synthesize;
procedure Synthesize_From_First
(New_Token : out Class;
Source : in Token_List.Instance'Class;
To_ID : in OpenToken.Token.Enumerated.Token_ID)
is
Checked_Source : Handle;
begin
begin
Checked_Source := Handle (Token_List.Token_Handle (Token_List.Initial_Iterator (Source)));
exception
when Constraint_Error =>
raise Invalid_Synth_Argument with
"Token " & OpenToken.Token.Enumerated.Token_ID'Image (To_ID) & " cannot be synthesized " &
"solely from a " &
OpenToken.Token.Enumerated.Token_ID'Image
(OpenToken.Token.Enumerated.ID
(Token_List.Token_Handle (Token_List.Initial_Iterator (Source)).all)) & ".";
end;
Synthesize_By_Copying
(New_Token => New_Token,
Source => Checked_Source.all,
To_ID => To_ID);
end Synthesize_From_First;
procedure Default_Synthesize_Class
(New_Token : out Class;
Source : in Token_List.Instance'Class;
To_ID : in OpenToken.Token.Enumerated.Token_ID)
is begin
Default_Synthesize (New_Token, Source, To_ID);
end Default_Synthesize_Class;
end OpenToken.Token.Enumerated.Nonterminal;
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