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-- Store error messages
-- Copyright (C) 2018 Tristan Gingold
--
-- GHDL is free software; you can redistribute it and/or modify it under
-- the terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 2, or (at your option) any later
-- version.
--
-- GHDL 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
-- along with GHDL; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
with Tables;
package body Errorout.Memory is
type Char_Index is new Uns32;
package Messages is new Tables
(Table_Component_Type => Character,
Table_Index_Type => Char_Index,
Table_Low_Bound => 1,
Table_Initial => 128);
type Error_Element is record
Header : Error_Record;
Str : Char_Index;
end record;
package Errors is new Tables
(Table_Component_Type => Error_Element,
Table_Index_Type => Error_Index,
Table_Low_Bound => 1,
Table_Initial => 32);
function Get_Nbr_Messages return Error_Index is
begin
return Errors.Last;
end Get_Nbr_Messages;
function Get_Error_Record (Idx : Error_Index) return Error_Record is
begin
return Errors.Table (Idx).Header;
end Get_Error_Record;
function Get_Error_Message (Idx : Error_Index) return String
is
First : constant Char_Index := Errors.Table (Idx).Str;
Last : Char_Index;
begin
if Idx = Errors.Last then
Last := Messages.Last;
else
Last := Errors.Table (Idx + 1).Str - 1;
end if;
return String (Messages.Table (First .. Last - 1));
end Get_Error_Message;
function Get_Error_Message_Addr (Idx : Error_Index) return System.Address
is
First : constant Char_Index := Errors.Table (Idx).Str;
begin
return Messages.Table (First)'Address;
end Get_Error_Message_Addr;
procedure Clear_Errors is
begin
Errors.Init;
Messages.Init;
Nbr_Errors := 0;
end Clear_Errors;
procedure Memory_Error_Start (E : Error_Record) is
begin
Errors.Append ((E, Messages.Last + 1));
end Memory_Error_Start;
procedure Memory_Message (Str : String) is
begin
for I in Str'Range loop
Messages.Append (Str (I));
end loop;
end Memory_Message;
procedure Memory_Message_End is
begin
Messages.Append (ASCII.NUL);
end Memory_Message_End;
procedure Install_Handler is
begin
Set_Report_Handler ((Memory_Error_Start'Access,
Memory_Message'Access,
Memory_Message_End'Access));
end Install_Handler;
end Errorout.Memory;
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