1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME COMPONENTS -- 4-- -- 5-- G N A T . T R A C E B A C K . S Y M B O L I C -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1999-2012, AdaCore -- 10-- -- 11-- GNAT is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 3, or (at your option) any later ver- -- 14-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. -- 17-- -- 18-- As a special exception under Section 7 of GPL version 3, you are granted -- 19-- additional permissions described in the GCC Runtime Library Exception, -- 20-- version 3.1, as published by the Free Software Foundation. -- 21-- -- 22-- You should have received a copy of the GNU General Public License and -- 23-- a copy of the GCC Runtime Library Exception along with this program; -- 24-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 25-- <http://www.gnu.org/licenses/>. -- 26-- -- 27-- GNAT was originally developed by the GNAT team at New York University. -- 28-- Extensive contributions were provided by Ada Core Technologies Inc. -- 29-- -- 30------------------------------------------------------------------------------ 31 32-- This is the default implementation for platforms where the full capability 33-- is not supported. It returns tracebacks as lists of LF separated strings of 34-- the form "0x..." corresponding to the addresses. 35 36with Ada.Exceptions.Traceback; use Ada.Exceptions.Traceback; 37with System.Address_Image; 38 39package body GNAT.Traceback.Symbolic is 40 41 ------------------------ 42 -- Symbolic_Traceback -- 43 ------------------------ 44 45 function Symbolic_Traceback (Traceback : Tracebacks_Array) return String is 46 begin 47 if Traceback'Length = 0 then 48 return ""; 49 50 else 51 declare 52 Img : String := System.Address_Image (Traceback (Traceback'First)); 53 54 Result : String (1 .. (Img'Length + 3) * Traceback'Length); 55 Last : Natural := 0; 56 57 begin 58 for J in Traceback'Range loop 59 Img := System.Address_Image (Traceback (J)); 60 Result (Last + 1 .. Last + 2) := "0x"; 61 Last := Last + 2; 62 Result (Last + 1 .. Last + Img'Length) := Img; 63 Last := Last + Img'Length + 1; 64 Result (Last) := ASCII.LF; 65 end loop; 66 67 return Result (1 .. Last); 68 end; 69 end if; 70 end Symbolic_Traceback; 71 72 function Symbolic_Traceback (E : Exception_Occurrence) return String is 73 begin 74 return Symbolic_Traceback (Tracebacks (E)); 75 end Symbolic_Traceback; 76 77end GNAT.Traceback.Symbolic; 78