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Diffstat (limited to 'gcc/ada/s-trafor-default.adb')
| -rw-r--r-- | gcc/ada/s-trafor-default.adb | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/gcc/ada/s-trafor-default.adb b/gcc/ada/s-trafor-default.adb new file mode 100644 index 00000000000..8aa564463ad --- /dev/null +++ b/gcc/ada/s-trafor-default.adb @@ -0,0 +1,113 @@ +------------------------------------------------------------------------------ +-- -- +-- GNU ADA 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 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 2, or (at your option) any later ver- -- +-- sion. GNARL 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNARL; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- 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 : in String) return String_Trace is + Length : 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 (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 => ' '); + Source_Length : Integer := 1; + Annex_Length : Integer := Annex'Length; + + 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. + + 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; |