114 lines
4.7 KiB
Ada
114 lines
4.7 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . T R A C E S . F O R M A T --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2001-2009, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with System.Parameters;
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package body System.Traces.Format is
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procedure Send_Trace (Id : Trace_T; Info : String) is separate;
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------------------
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-- Format_Trace --
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------------------
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function Format_Trace (Source : String) return String_Trace is
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Length : constant Integer := Source'Length;
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Result : String_Trace := (others => ' ');
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begin
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-- If run-time tracing active, then fill the string
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if Parameters.Runtime_Traces then
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if Max_Size - Length > 0 then
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Result (1 .. Length) := Source (1 .. Length);
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Result (Length + 1 .. Max_Size) := (others => ' ');
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Result (Length + 1) := ASCII.NUL;
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else
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Result (1 .. Max_Size - 1) :=
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Source (Source'First .. Source'First - 1 + Max_Size - 1);
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Result (Max_Size) := ASCII.NUL;
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end if;
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end if;
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return Result;
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end Format_Trace;
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------------
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-- Append --
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------------
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function Append
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(Source : String_Trace;
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Annex : String) return String_Trace
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is
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Result : String_Trace := (others => ' ');
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Annex_Length : constant Integer := Annex'Length;
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Source_Length : Integer;
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begin
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if Parameters.Runtime_Traces then
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-- First we determine the size used, without the spaces at the end,
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-- if a String_Trace is present. Look at System.Traces.Tasking for
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-- examples.
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Source_Length := 1;
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while Source (Source_Length) /= ASCII.NUL loop
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Source_Length := Source_Length + 1;
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end loop;
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-- Then we fill the string
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if Source_Length - 1 + Annex_Length <= Max_Size then
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Result (1 .. Source_Length - 1) :=
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Source (1 .. Source_Length - 1);
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Result (Source_Length .. Source_Length - 1 + Annex_Length) :=
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Annex (1 .. Annex_Length);
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Result (Source_Length + Annex_Length) := ASCII.NUL;
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Result (Source_Length + Annex_Length + 1 .. Max_Size) :=
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(others => ' ');
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else
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Result (1 .. Source_Length - 1) := Source (1 .. Source_Length - 1);
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Result (Source_Length .. Max_Size - 1) :=
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Annex (1 .. Max_Size - Source_Length);
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Result (Max_Size) := ASCII.NUL;
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end if;
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end if;
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return Result;
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end Append;
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end System.Traces.Format;
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