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-------------------------------------------------------------------------------
-- (C) Altran Praxis Limited
-------------------------------------------------------------------------------
--
-- The SPARK toolset is free software; you can redistribute it and/or modify it
-- under terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 3, or (at your option) any later
-- version. The SPARK toolset is distributed in the hope that it will be
-- useful, but WITHOUT 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 the SPARK toolset; see file
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy of
-- the license.
--
--=============================================================================
--------------------------------------------------------------------------------
--Synopsis: --
-- --
--Output 'fatal' error messages --
--Note that the Process procedure does not return to point of call. Instead --
--it raises an exception which is trapped by the main program, which causes --
--the program to stop politely. --
-- --
-- --
--------------------------------------------------------------------------------
with CommandLine;
with POGS_Exceptions;
with SPARK_IO;
package body FatalErrors is
--# hide FatalErrors;
-- hidden to mask the use of exceptions and the non-initialization of
-- FatalErrors.State
procedure Process (Error : in Error_Type;
Message : in E_Strings.T) is
T : E_Strings.T;
begin
case Error is
when Could_Not_Open_Input_File =>
T := E_Strings.Copy_String (Str => "Could not open expected input file " & "- unexpected file system error");
when Could_Not_Create_Report_File =>
E_Strings.Put_String
(File => SPARK_IO.Standard_Output,
E_Str => E_Strings.Copy_String (Str => "Could not create report file "));
E_Strings.Put_Line (File => SPARK_IO.Standard_Output,
E_Str => Message);
T := E_Strings.Copy_String (Str => "Check you have write permission for directory");
when Data_Structure_Inconsistency =>
T := E_Strings.Copy_String (Str => "Internal file table inconsistent.");
when VC_Data_Structure_Inconsistency =>
T := E_Strings.Copy_String (Str => "Internal VC table inconsistent.");
when Expected_Directory_Missing =>
E_Strings.Put_String (File => SPARK_IO.Standard_Output,
E_Str => E_Strings.Copy_String (Str => "Directory "));
E_Strings.Put_String (File => SPARK_IO.Standard_Output,
E_Str => Message);
T := E_Strings.Copy_String (Str => " not found or not readable.");
when File_Heap_Full =>
T := E_Strings.Copy_String (Str => "Internal file table too small.");
when VC_Heap_Full =>
T := E_Strings.Copy_String (Str => "Internal VC table too small.");
when Invalid_Command_Line =>
T := E_Strings.Copy_String (Str => "Usage: ");
E_Strings.Append_Examiner_String (E_Str1 => T,
E_Str2 => CommandLine.Usage_String);
when Problem_Reading_File =>
T := E_Strings.Copy_String (Str => "Could not read from input file " & "- unexpected file system error");
when Problem_Creating_Temp_File =>
T := E_Strings.Copy_String (Str => "Could not create temporary file.");
when Subprogram_Totals_Inconsistent =>
T := E_Strings.Copy_String (Str => "Overall subprogram summary counts inconsistent.");
end case;
E_Strings.Put_Line (File => SPARK_IO.Standard_Output,
E_Str => T);
raise POGS_Exceptions.Usage_Error;
end Process;
end FatalErrors;
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