/usr/share/ada/adainclude/asis/a4g-stand.adb is in libasis2010-dev 2010-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- ASIS-for-GNAT IMPLEMENTATION COMPONENTS --
-- --
-- A 4 G . S T A N D --
-- --
-- B o d y --
-- --
-- Copyright (c) 1999-2003, Free Software Foundation, Inc. --
-- --
-- ASIS-for-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 --
-- Software Foundation; either version 2, or (at your option) any later --
-- version. ASIS-for-GNAT is distributed in the hope that it will be use- --
-- ful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- --
-- CHANTABILITY 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 ASIS-for-GNAT; see file --
-- COPYING. If not, write to the Free Software Foundation, 59 Temple Place --
-- - Suite 330, Boston, MA 02111-1307, USA. --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- ASIS-for-GNAT was originally developed by the ASIS-for-GNAT team at the --
-- Software Engineering Laboratory of the Swiss Federal Institute of --
-- Technology (LGL-EPFL) in Lausanne, Switzerland, in cooperation with the --
-- Scientific Research Computer Center of Moscow State University (SRCC --
-- MSU), Russia, with funding partially provided by grants from the Swiss --
-- National Science Foundation and the Swiss Academy of Engineering --
-- Sciences. ASIS-for-GNAT is now maintained by Ada Core Technologies Inc --
-- (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
with Asis.Set_Get; use Asis.Set_Get;
with A4G.A_Types; use A4G.A_Types;
with A4G.Contt; use A4G.Contt;
with Stand; use Stand;
with Atree; use Atree;
with Sinfo; use Sinfo;
package body A4G.Stand is
--------------------------------
-- Get_Numeric_Error_Renaming --
--------------------------------
function Get_Numeric_Error_Renaming return Asis.Element is
Result : Asis.Element := Numeric_Error_Template;
begin
Set_Encl_Tree (Result, Get_Current_Tree);
Set_Enclosing_Context (Result, Get_Current_Cont);
Set_Obtained (Result, A_OS_Time);
return Result;
end Get_Numeric_Error_Renaming;
---------------------------
-- Is_Standard_Char_Type --
---------------------------
function Is_Standard_Char_Type (N : Node_Id) return Boolean is
Result : Boolean := False;
Type_Ent : Entity_Id;
begin
if Sloc (N) = Standard_Location and then
Nkind (N) = N_Enumeration_Type_Definition
then
Type_Ent := Defining_Identifier (Parent (N));
if Type_Ent in Standard_Character .. Standard_Wide_Character then
Result := True;
end if;
end if;
return Result;
end Is_Standard_Char_Type;
-------------------------
-- Standard_Char_Decls --
-------------------------
function Standard_Char_Decls
(Type_Definition : Asis.Type_Definition;
Implicit : Boolean := False)
return Asis.Element_List
is
Arg_Node : constant Node_Id := Node (Type_Definition);
Rel_Len : Asis.ASIS_Positive;
Type_Ent : Entity_Id;
Tmp_Template : Element := Char_Literal_Spec_Template;
begin
-- Adjusting the template for the artificial character literal
-- specification:
Set_Encl_Unit_Id (Tmp_Template, Encl_Unit_Id (Type_Definition));
Set_Encl_Tree (Tmp_Template, Encl_Tree (Type_Definition));
Set_Node (Tmp_Template, Arg_Node);
Set_R_Node (Tmp_Template, Arg_Node);
Set_Enclosing_Context (Tmp_Template, Encl_Cont_Id (Type_Definition));
Set_Obtained (Tmp_Template, A_OS_Time);
Set_From_Instance (Tmp_Template, Is_From_Instance (Type_Definition));
Set_From_Implicit (Tmp_Template, Implicit);
Set_From_Inherited (Tmp_Template, Implicit);
if Implicit then
Set_Special_Case (Tmp_Template, Not_A_Special_Case);
Set_Node_Field_1 (Tmp_Template, Parent (Arg_Node));
end if;
Type_Ent := Defining_Identifier (Parent (Arg_Node));
while Type_Ent /= Etype (Type_Ent) loop
Type_Ent := Etype (Type_Ent);
end loop;
if Type_Ent = Standard_Character then
Rel_Len := 256;
else
Rel_Len := 65536;
end if;
declare
Result : Asis.Element_List (1 .. Rel_Len) := (others => Tmp_Template);
begin
for J in 1 .. Rel_Len loop
Set_Character_Code (Result (J), Char_Code (J - 1));
end loop;
return Result;
end;
end Standard_Char_Decls;
----------------------
-- Stand_Char_Image --
----------------------
function Stand_Char_Image (Code : Char_Code) return Wide_String is
function Hex_Digits (J : Natural) return Wide_String;
-- converts J into Hex digits string
function Hex_Digits (J : Natural) return Wide_String is
Hexd : constant Wide_String := "0123456789abcdef";
begin
if J > 16#FF# then
return Hex_Digits (J / 256) & Hex_Digits (J mod 256);
else
return Hexd (J / 16 + 1) & Hexd (J mod 16 + 1);
end if;
end Hex_Digits;
begin
if Code in 16#20# .. 16#7E# then
return ''' & Wide_Character'Val (Code) & ''';
else
return "'[""" & Hex_Digits (Natural (Code)) & """]'";
end if;
end Stand_Char_Image;
end A4G.Stand;
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