1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- 4-- -- 5-- S Y S T E M . T R A C E S . F O R M A T -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 2001-2009, Free Software Foundation, Inc. -- 10-- -- 11-- GNARL 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 package implements functions to format run-time traces 33 34package System.Traces.Format is 35 pragma Preelaborate; 36 37 Max_Size : constant Integer := 128; 38 -- Maximum size if event messages 39 40 subtype String_Trace is String (1 .. Max_Size); 41 -- Specific type in which trace information is stored. An ASCII.NUL 42 -- character ends the string so that it is compatible with C strings 43 -- which is useful on some targets (e.g. VxWorks) 44 45 -- These private functions handles String_Trace formatting 46 47 function Format_Trace (Source : String) return String_Trace; 48 -- Put a String in a String_Trace, truncates the string if necessary. 49 -- Similar to Head( .. ) found in Ada.Strings.Bounded 50 51 function Append 52 (Source : String_Trace; 53 Annex : String) 54 return String_Trace; 55 pragma Inline (Append); 56 -- Concatenates two string, similar to & operator from Ada.String.Unbounded 57 58 procedure Send_Trace (Id : Trace_T; Info : String); 59 -- This function (which is a subunit) send messages to external programs 60 61end System.Traces.Format; 62