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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . T R A C E B A C K . S Y M B O L I C --
-- --
-- B o d y --
-- --
-- Copyright (C) 1999-2018, AdaCore --
-- --
-- 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. --
-- --
------------------------------------------------------------------------------
-- This is the default implementation for platforms where the full capability
-- is not supported. It returns tracebacks as lists of hexadecimal addresses
-- of the form "0x...".
pragma Polling (Off);
-- We must turn polling off for this unit, because otherwise we can get
-- elaboration circularities when polling is turned on.
with Ada.Exceptions.Traceback; use Ada.Exceptions.Traceback;
with System.Address_Image;
package body System.Traceback.Symbolic is
-- Note that Suppress_Hex is ignored in this version of this package.
------------------------
-- Symbolic_Traceback --
------------------------
function Symbolic_Traceback
(Traceback : System.Traceback_Entries.Tracebacks_Array) return String
is
begin
if Traceback'Length = 0 then
return "";
else
declare
Img : String := System.Address_Image (Traceback (Traceback'First));
Result : String (1 .. (Img'Length + 3) * Traceback'Length);
Last : Natural := 0;
begin
for J in Traceback'Range loop
Img := System.Address_Image (Traceback (J));
Result (Last + 1 .. Last + 2) := "0x";
Last := Last + 2;
Result (Last + 1 .. Last + Img'Length) := Img;
Last := Last + Img'Length + 1;
Result (Last) := ' ';
end loop;
Result (Last) := ASCII.LF;
return Result (1 .. Last);
end;
end if;
end Symbolic_Traceback;
-- "No_Hex" is ignored in this version, because otherwise we have nothing
-- at all to print.
function Symbolic_Traceback_No_Hex
(Traceback : System.Traceback_Entries.Tracebacks_Array) return String is
begin
return Symbolic_Traceback (Traceback);
end Symbolic_Traceback_No_Hex;
function Symbolic_Traceback
(E : Ada.Exceptions.Exception_Occurrence) return String
is
begin
return Symbolic_Traceback (Ada.Exceptions.Traceback.Tracebacks (E));
end Symbolic_Traceback;
function Symbolic_Traceback_No_Hex
(E : Ada.Exceptions.Exception_Occurrence) return String is
begin
return Symbolic_Traceback (E);
end Symbolic_Traceback_No_Hex;
------------------
-- Enable_Cache --
------------------
procedure Enable_Cache (Include_Modules : Boolean := False) is
begin
null;
end Enable_Cache;
end System.Traceback.Symbolic;
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