/usr/share/ada/adainclude/gnatvsn/scans.adb is in libgnatvsn6-dev 6.4.0-17ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S C A N S --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2013, 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 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. --
-- --
-- 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 Snames; use Snames;
package body Scans is
-----------------------------
-- Initialize_Ada_Keywords --
-----------------------------
procedure Initialize_Ada_Keywords is
procedure Set_Reserved (N : Name_Id; T : Token_Type);
pragma Inline (Set_Reserved);
-- Set given name as a reserved word (T is the corresponding token)
------------------
-- Set_Reserved --
------------------
procedure Set_Reserved (N : Name_Id; T : Token_Type) is
begin
-- Set up Token_Type values in Names table entries for reserved
-- words. We use the Pos value of the Token_Type value. Note that
-- Is_Keyword_Name relies on the fact that Token_Type'Val (0) is not
-- a reserved word.
Set_Name_Table_Byte (N, Token_Type'Pos (T));
end Set_Reserved;
-- Start of processing for Initialize_Ada_Keywords
begin
-- Establish reserved words
Set_Reserved (Name_Abort, Tok_Abort);
Set_Reserved (Name_Abs, Tok_Abs);
Set_Reserved (Name_Abstract, Tok_Abstract);
Set_Reserved (Name_Accept, Tok_Accept);
Set_Reserved (Name_Access, Tok_Access);
Set_Reserved (Name_And, Tok_And);
Set_Reserved (Name_Aliased, Tok_Aliased);
Set_Reserved (Name_All, Tok_All);
Set_Reserved (Name_Array, Tok_Array);
Set_Reserved (Name_At, Tok_At);
Set_Reserved (Name_Begin, Tok_Begin);
Set_Reserved (Name_Body, Tok_Body);
Set_Reserved (Name_Case, Tok_Case);
Set_Reserved (Name_Constant, Tok_Constant);
Set_Reserved (Name_Declare, Tok_Declare);
Set_Reserved (Name_Delay, Tok_Delay);
Set_Reserved (Name_Delta, Tok_Delta);
Set_Reserved (Name_Digits, Tok_Digits);
Set_Reserved (Name_Do, Tok_Do);
Set_Reserved (Name_Else, Tok_Else);
Set_Reserved (Name_Elsif, Tok_Elsif);
Set_Reserved (Name_End, Tok_End);
Set_Reserved (Name_Entry, Tok_Entry);
Set_Reserved (Name_Exception, Tok_Exception);
Set_Reserved (Name_Exit, Tok_Exit);
Set_Reserved (Name_For, Tok_For);
Set_Reserved (Name_Function, Tok_Function);
Set_Reserved (Name_Generic, Tok_Generic);
Set_Reserved (Name_Goto, Tok_Goto);
Set_Reserved (Name_If, Tok_If);
Set_Reserved (Name_In, Tok_In);
Set_Reserved (Name_Is, Tok_Is);
Set_Reserved (Name_Limited, Tok_Limited);
Set_Reserved (Name_Loop, Tok_Loop);
Set_Reserved (Name_Mod, Tok_Mod);
Set_Reserved (Name_New, Tok_New);
Set_Reserved (Name_Not, Tok_Not);
Set_Reserved (Name_Null, Tok_Null);
Set_Reserved (Name_Of, Tok_Of);
Set_Reserved (Name_Or, Tok_Or);
Set_Reserved (Name_Others, Tok_Others);
Set_Reserved (Name_Out, Tok_Out);
Set_Reserved (Name_Package, Tok_Package);
Set_Reserved (Name_Pragma, Tok_Pragma);
Set_Reserved (Name_Private, Tok_Private);
Set_Reserved (Name_Procedure, Tok_Procedure);
Set_Reserved (Name_Protected, Tok_Protected);
Set_Reserved (Name_Raise, Tok_Raise);
Set_Reserved (Name_Range, Tok_Range);
Set_Reserved (Name_Record, Tok_Record);
Set_Reserved (Name_Rem, Tok_Rem);
Set_Reserved (Name_Renames, Tok_Renames);
Set_Reserved (Name_Requeue, Tok_Requeue);
Set_Reserved (Name_Return, Tok_Return);
Set_Reserved (Name_Reverse, Tok_Reverse);
Set_Reserved (Name_Select, Tok_Select);
Set_Reserved (Name_Separate, Tok_Separate);
Set_Reserved (Name_Subtype, Tok_Subtype);
Set_Reserved (Name_Tagged, Tok_Tagged);
Set_Reserved (Name_Task, Tok_Task);
Set_Reserved (Name_Terminate, Tok_Terminate);
Set_Reserved (Name_Then, Tok_Then);
Set_Reserved (Name_Type, Tok_Type);
Set_Reserved (Name_Until, Tok_Until);
Set_Reserved (Name_Use, Tok_Use);
Set_Reserved (Name_When, Tok_When);
Set_Reserved (Name_While, Tok_While);
Set_Reserved (Name_With, Tok_With);
Set_Reserved (Name_Xor, Tok_Xor);
-- Ada 2005 reserved words
Set_Reserved (Name_Interface, Tok_Interface);
Set_Reserved (Name_Overriding, Tok_Overriding);
Set_Reserved (Name_Synchronized, Tok_Synchronized);
-- Ada 2012 reserved words
Set_Reserved (Name_Some, Tok_Some);
end Initialize_Ada_Keywords;
------------------------
-- Restore_Scan_State --
------------------------
procedure Restore_Scan_State (Saved_State : Saved_Scan_State) is
begin
Scan_Ptr := Saved_State.Save_Scan_Ptr;
Token := Saved_State.Save_Token;
Token_Ptr := Saved_State.Save_Token_Ptr;
Current_Line_Start := Saved_State.Save_Current_Line_Start;
Start_Column := Saved_State.Save_Start_Column;
Checksum := Saved_State.Save_Checksum;
First_Non_Blank_Location := Saved_State.Save_First_Non_Blank_Location;
Token_Node := Saved_State.Save_Token_Node;
Token_Name := Saved_State.Save_Token_Name;
Prev_Token := Saved_State.Save_Prev_Token;
Prev_Token_Ptr := Saved_State.Save_Prev_Token_Ptr;
end Restore_Scan_State;
---------------------
-- Save_Scan_State --
---------------------
procedure Save_Scan_State (Saved_State : out Saved_Scan_State) is
begin
Saved_State.Save_Scan_Ptr := Scan_Ptr;
Saved_State.Save_Token := Token;
Saved_State.Save_Token_Ptr := Token_Ptr;
Saved_State.Save_Current_Line_Start := Current_Line_Start;
Saved_State.Save_Start_Column := Start_Column;
Saved_State.Save_Checksum := Checksum;
Saved_State.Save_First_Non_Blank_Location := First_Non_Blank_Location;
Saved_State.Save_Token_Node := Token_Node;
Saved_State.Save_Token_Name := Token_Name;
Saved_State.Save_Prev_Token := Prev_Token;
Saved_State.Save_Prev_Token_Ptr := Prev_Token_Ptr;
end Save_Scan_State;
end Scans;
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