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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . T R A C E S . F O R M A T --
-- --
-- B o d y --
-- --
-- Copyright (C) 2001-2009, Free Software Foundation, Inc. --
-- --
-- GNARL 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 System.Parameters;
package body System.Traces.Format is
procedure Send_Trace (Id : Trace_T; Info : String) is separate;
------------------
-- Format_Trace --
------------------
function Format_Trace (Source : String) return String_Trace is
Length : constant Integer := Source'Length;
Result : String_Trace := (others => ' ');
begin
-- If run-time tracing active, then fill the string
if Parameters.Runtime_Traces then
if Max_Size - Length > 0 then
Result (1 .. Length) := Source (1 .. Length);
Result (Length + 1 .. Max_Size) := (others => ' ');
Result (Length + 1) := ASCII.NUL;
else
Result (1 .. Max_Size - 1) :=
Source (Source'First .. Source'First - 1 + Max_Size - 1);
Result (Max_Size) := ASCII.NUL;
end if;
end if;
return Result;
end Format_Trace;
------------
-- Append --
------------
function Append
(Source : String_Trace;
Annex : String) return String_Trace
is
Result : String_Trace := (others => ' ');
Annex_Length : constant Integer := Annex'Length;
Source_Length : Integer;
begin
if Parameters.Runtime_Traces then
-- First we determine the size used, without the spaces at the end,
-- if a String_Trace is present. Look at System.Traces.Tasking for
-- examples.
Source_Length := 1;
while Source (Source_Length) /= ASCII.NUL loop
Source_Length := Source_Length + 1;
end loop;
-- Then we fill the string
if Source_Length - 1 + Annex_Length <= Max_Size then
Result (1 .. Source_Length - 1) :=
Source (1 .. Source_Length - 1);
Result (Source_Length .. Source_Length - 1 + Annex_Length) :=
Annex (1 .. Annex_Length);
Result (Source_Length + Annex_Length) := ASCII.NUL;
Result (Source_Length + Annex_Length + 1 .. Max_Size) :=
(others => ' ');
else
Result (1 .. Source_Length - 1) := Source (1 .. Source_Length - 1);
Result (Source_Length .. Max_Size - 1) :=
Annex (1 .. Max_Size - Source_Length);
Result (Max_Size) := ASCII.NUL;
end if;
end if;
return Result;
end Append;
end System.Traces.Format;
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