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Diffstat (limited to 'gcc-4.8.3/gcc/ada/g-trasym.adb')
| -rw-r--r-- | gcc-4.8.3/gcc/ada/g-trasym.adb | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/ada/g-trasym.adb b/gcc-4.8.3/gcc/ada/g-trasym.adb new file mode 100644 index 000000000..a825f80b7 --- /dev/null +++ b/gcc-4.8.3/gcc/ada/g-trasym.adb @@ -0,0 +1,77 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- G N A T . T R A C E B A C K . S Y M B O L I C -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1999-2012, 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 LF separated strings of +-- the form "0x..." corresponding to the addresses. + +with Ada.Exceptions.Traceback; use Ada.Exceptions.Traceback; +with System.Address_Image; + +package body GNAT.Traceback.Symbolic is + + ------------------------ + -- Symbolic_Traceback -- + ------------------------ + + function Symbolic_Traceback (Traceback : 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) := ASCII.LF; + end loop; + + return Result (1 .. Last); + end; + end if; + end Symbolic_Traceback; + + function Symbolic_Traceback (E : Exception_Occurrence) return String is + begin + return Symbolic_Traceback (Tracebacks (E)); + end Symbolic_Traceback; + +end GNAT.Traceback.Symbolic; |