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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.
--
--=============================================================================
separate (ErrorHandler)
procedure EchoErrorEntry (Echo_File : in SPARK_IO.File_Type;
Error : in Error_Types.StringError) is
subtype Big_String_I is Positive range 1 .. 1024;
subtype Big_String is String (Big_String_I);
Source_File_Name : Big_String;
Source_File_Stop : Natural;
Source_Filename : E_Strings.T;
Err_Struct : Error_Struct;
New_Start : Natural;
Was_Active : Boolean;
Line_Length : Natural;
New_Line_Count : Natural;
Local_Error : Error_Types.StringError;
Explanation : E_Strings.T;
procedure Echo_Source_Line (Echo_File : in SPARK_IO.File_Type;
Err_Line_No : in LexTokenManager.Line_Numbers)
--# global in CommandLineData.Content;
--# in out Error_Context_Rec;
--# in out SPARK_IO.File_Sys;
--# derives Error_Context_Rec from *,
--# Err_Line_No,
--# SPARK_IO.File_Sys &
--# SPARK_IO.File_Sys from *,
--# CommandLineData.Content,
--# Echo_File,
--# Error_Context_Rec,
--# Err_Line_No;
is
Source_File : SPARK_IO.File_Type;
Success : SPARK_IO.File_Status;
begin
if Error_Context_Rec.Line_No > Err_Line_No then
Error_Context_Rec.Line_No := 0;
Error_Context_Rec.Current_Line := E_Strings.Empty_String;
Source_File := Error_Context_Rec.Source;
--# accept Flow, 10, Success, "Expected ineffective assignment to Success";
SPARK_IO.Reset (Source_File, SPARK_IO.In_File, Success);
--# end accept;
Error_Context_Rec.Source := Source_File;
end if;
if Err_Line_No > 0 and then Error_Context_Rec.Line_No < Err_Line_No - 1 then
SPARK_IO.Skip_Line (Error_Context_Rec.Source, Integer ((Err_Line_No - Error_Context_Rec.Line_No) - 1));
end if;
GetFileLine;
Error_Context_Rec.Line_No := Err_Line_No;
New_Line (Echo_File, 1);
Print_Source_Line (To_File => Echo_File);
--# accept Flow, 33, Success, "Expected Success to be neither referenced nor exported";
end Echo_Source_Line;
procedure Put_Error_Pointer (Echo_File : in SPARK_IO.File_Type;
Err_Pos : in Natural)
--# global in Error_Context_Rec;
--# in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys from *,
--# Echo_File,
--# Error_Context_Rec,
--# Err_Pos;
is
begin
Move_To_Indent
(Source_File => Echo_File,
Line => Error_Context_Rec.Current_Line,
Indent => Source_Line_Indent,
Position => Err_Pos - 1);
Put_Char (Echo_File, '^');
New_Line (SPARK_IO.Standard_Output, 1);
end Put_Error_Pointer;
function Need_Source_Line (Error : Error_Types.StringError) return Boolean
--# global in Error_Context_Rec;
is
begin
return Error.Position.Start_Line_No /= Error_Context_Rec.Line_No and Error.ErrorType /= Error_Types.NoErr;
end Need_Source_Line;
begin
if Error_Context_Rec.Echo then
if CommandLineData.Content.Brief then
Line_Length := 0;
New_Line_Count := 1;
else
Line_Length := Error_Line_Length;
New_Line_Count := 1;
end if;
Err_Struct := Error_Struct'(Err_Num => 0,
Error => Error);
Was_Active := ErrorAccumulator.Is_Active (This => Echo_Accumulator);
if ErrorAccumulator.Is_Active (This => Echo_Accumulator) then
ErrorAccumulator.Add (Echo_Accumulator, Err_Struct, Line_Length, 11, Echo_File);
end if;
--# assert True;
if not ErrorAccumulator.Is_Active (This => Echo_Accumulator) then
if Was_Active then
New_Line (Echo_File, New_Line_Count);
end if;
if CommandLineData.Content.Brief then
SPARK_IO.Name (Error_Context_Rec.Source, Source_File_Name, Source_File_Stop);
Source_Filename := E_Strings.Section (E_Strings.Copy_String (Str => Source_File_Name), 1, Source_File_Stop);
case CommandLineData.Content.Brief_Option is
when CommandLineData.No_Path =>
E_Strings.Put_String (File => Echo_File,
E_Str => FileSystem.Base_Name (Path => Source_Filename,
Suffix => ""));
when CommandLineData.Full_Path =>
E_Strings.Put_String (File => Echo_File,
E_Str => Source_Filename);
end case;
Put_Char (Echo_File, ':');
Put_Integer (Echo_File, Integer (Error.Position.Start_Line_No), 0, 10);
Put_Char (Echo_File, ':');
Put_Integer (Echo_File, Error.Position.Start_Pos, 0, 10);
Put_Char (Echo_File, ':');
Put_Char (Echo_File, ' ');
Output_Brief_Error_Marker (File => Echo_File,
Err_Type => Error.ErrorType,
Message_Id => Error.MessageId);
else
if Need_Source_Line (Error => Error) then
Echo_Source_Line (Echo_File => Echo_File,
Err_Line_No => Error.Position.Start_Line_No);
end if;
if Error_Has_Position_Inline (Err_Type => Error.ErrorType) then
Put_Error_Pointer (Echo_File => Echo_File,
Err_Pos => Error.Position.Start_Pos);
else
New_Line (Echo_File, 1);
end if;
Output_Error_Marker (File => Echo_File,
Err_Type => Error.ErrorType,
Message_Id => Error.MessageId,
Err_Count => 0);
end if;
if ErrorAccumulator.Is_Error_Start (The_Error => Error) then
-- extract explanation from message here and pass it into ErrorAccumulator for later Flush --PNA
Local_Error := Error;
Split_String_At_Explanation (E_Str => Local_Error.Message,
Explanation => Explanation);
PrintLine (Echo_File, 31, Line_Length, 11, Local_Error.Message, False, New_Start);
ErrorAccumulator.Start_Msg
(This => Echo_Accumulator,
Start_Error => Err_Struct,
Start_Indent => New_Start,
Explanation => Explanation,
Line_Length => Line_Length,
Indent => 11); -- in rather than recalculate them in error accumulator
else
-- leave message text unchanged and display it
--# accept Flow, 10, New_Start, "Expected ineffective assignment to New_Start";
PrintLine (Echo_File, 31, Line_Length, 11, -- Expect ineff assignment to New_Start
Error.Message, False, New_Start);
--# end accept;
New_Line (Echo_File, New_Line_Count);
end if;
end if;
end if;
end EchoErrorEntry;
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