1------------------------------------------------------------------------------ 2-- -- 3-- GNU ADA 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-- B o d y -- 8-- -- 9-- Copyright (C) 2001 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 2, or (at your option) any later ver- -- 14-- sion. GNARL 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. See the GNU General Public License -- 17-- for more details. You should have received a copy of the GNU General -- 18-- Public License distributed with GNARL; see file COPYING. If not, write -- 19-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- 20-- MA 02111-1307, USA. -- 21-- -- 22-- As a special exception, if other files instantiate generics from this -- 23-- unit, or you link this unit with other files to produce an executable, -- 24-- this unit does not by itself cause the resulting executable to be -- 25-- covered by the GNU General Public License. This exception does not -- 26-- however invalidate any other reasons why the executable file might be -- 27-- covered by the GNU Public License. -- 28-- -- 29-- GNAT was originally developed by the GNAT team at New York University. -- 30-- Extensive contributions were provided by Ada Core Technologies Inc. -- 31-- -- 32------------------------------------------------------------------------------ 33 34with System.Parameters; 35 36package body System.Traces.Format is 37 38 procedure Send_Trace (Id : Trace_T; Info : String) is separate; 39 40 ------------------ 41 -- Format_Trace -- 42 ------------------ 43 44 function Format_Trace (Source : in String) return String_Trace is 45 Length : Integer := Source'Length; 46 Result : String_Trace := (others => ' '); 47 48 begin 49 -- If run-time tracing active, then fill the string 50 51 if Parameters.Runtime_Traces then 52 if Max_Size - Length > 0 then 53 Result (1 .. Length) := Source (1 .. Length); 54 Result (Length + 1 .. Max_Size) := (others => ' '); 55 Result (Length + 1) := ASCII.NUL; 56 else 57 Result (1 .. Max_Size - 1) := Source (1 .. Max_Size - 1); 58 Result (Max_Size) := ASCII.NUL; 59 end if; 60 end if; 61 62 return Result; 63 end Format_Trace; 64 65 ------------ 66 -- Append -- 67 ------------ 68 69 function Append 70 (Source : String_Trace; 71 Annex : String) 72 return String_Trace 73 is 74 Result : String_Trace := (others => ' '); 75 Source_Length : Integer := 1; 76 Annex_Length : Integer := Annex'Length; 77 78 begin 79 if Parameters.Runtime_Traces then 80 81 -- First we determine the size used, without the spaces at the 82 -- end, if a String_Trace is present. Look at 83 -- System.Traces.Tasking for examples. 84 85 while Source (Source_Length) /= ASCII.NUL loop 86 Source_Length := Source_Length + 1; 87 end loop; 88 89 -- Then we fill the string. 90 91 if Source_Length - 1 + Annex_Length <= Max_Size then 92 Result (1 .. Source_Length - 1) := 93 Source (1 .. Source_Length - 1); 94 95 Result (Source_Length .. Source_Length - 1 + Annex_Length) := 96 Annex (1 .. Annex_Length); 97 98 Result (Source_Length + Annex_Length) := ASCII.NUL; 99 100 Result (Source_Length + Annex_Length + 1 .. Max_Size) := 101 (others => ' '); 102 else 103 Result (1 .. Source_Length - 1) := Source (1 .. Source_Length - 1); 104 Result (Source_Length .. Max_Size - 1) := 105 Annex (1 .. Max_Size - Source_Length); 106 Result (Max_Size) := ASCII.NUL; 107 end if; 108 end if; 109 110 return Result; 111 end Append; 112 113end System.Traces.Format; 114