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-- Back-end for translation.
-- Copyright (C) 2002, 2003, 2004, 2005 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 GCC; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
with Iirs; use Iirs;
with Disp_Tree;
with Disp_Vhdl;
with Sem;
with Canon;
with Translation;
with Errorout; use Errorout;
with Post_Sems;
with Flags;
with Ada.Text_IO;
with Back_End;
package body Trans_Be is
procedure Finish_Compilation
(Unit : Iir_Design_Unit; Main : Boolean := False)
is
use Ada.Text_IO;
Lib : Iir;
begin
-- No need to semantize during elaboration.
--if Flags.Will_Elaborate then
-- return;
--end if;
Lib := Get_Library_Unit (Unit);
if (Main or Flags.Dump_All) and then Flags.Dump_Parse then
Disp_Tree.Disp_Tree (Unit);
end if;
-- Semantic analysis.
if Flags.Verbose then
Put_Line ("semantize " & Disp_Node (Lib));
end if;
Sem.Semantic (Unit);
if (Main or Flags.Dump_All) and then Flags.Dump_Sem then
Disp_Tree.Disp_Tree (Unit);
end if;
if Errorout.Nbr_Errors > 0 then
raise Compilation_Error;
end if;
if (Main or Flags.List_All) and then Flags.List_Sem then
Disp_Vhdl.Disp_Vhdl (Unit);
end if;
-- Post checks
----------------
Post_Sems.Post_Sem_Checks (Unit);
if Errorout.Nbr_Errors > 0 then
raise Compilation_Error;
end if;
-- Canonalisation.
------------------
if Flags.Verbose then
Put_Line ("canonicalize " & Disp_Node (Lib));
end if;
Canon.Canonicalize (Unit);
if (Main or Flags.Dump_All) and then Flags.Dump_Canon then
Disp_Tree.Disp_Tree (Unit);
end if;
if Errorout.Nbr_Errors > 0 then
raise Compilation_Error;
end if;
if (Main or Flags.List_All) and then Flags.List_Canon then
Disp_Vhdl.Disp_Vhdl (Unit);
end if;
if Flags.Flag_Elaborate then
if Get_Kind (Lib) = Iir_Kind_Architecture_Declaration then
declare
Config : Iir_Design_Unit;
begin
Config := Canon.Create_Default_Configuration_Declaration (Lib);
Set_Default_Configuration_Declaration (Lib, Config);
if (Main or Flags.Dump_All) and then Flags.Dump_Canon then
Disp_Tree.Disp_Tree (Config);
end if;
if (Main or Flags.List_All) and then Flags.List_Canon then
Disp_Vhdl.Disp_Vhdl (Config);
end if;
end;
end if;
-- Do not translate during elaboration.
-- This is done directly in Translation.Chap12.
return;
end if;
-- Translation
---------------
if not Main then
-- Main units (those from the analyzed design file) are translated
-- directly by ortho_front.
if Flags.Verbose then
Put_Line ("translate " & Disp_Node (Lib));
end if;
Translation.Translate (Unit, Main);
if Errorout.Nbr_Errors > 0 then
raise Compilation_Error;
end if;
end if;
end Finish_Compilation;
procedure Sem_Foreign (Decl : Iir)
is
use Translation;
Fi : Foreign_Info_Type;
pragma Unreferenced (Fi);
begin
case Get_Kind (Decl) is
when Iir_Kind_Design_Unit =>
Error_Msg_Sem ("FOREIGN architectures are not yet handled", Decl);
when Iir_Kind_Procedure_Declaration
| Iir_Kind_Function_Declaration =>
null;
when others =>
Error_Kind ("sem_foreign", Decl);
end case;
-- Let is generate error messages.
Fi := Translate_Foreign_Id (Decl);
end Sem_Foreign;
function Parse_Option (Opt : String) return Boolean is
begin
if Opt = "--dump-drivers" then
Translation.Flag_Dump_Drivers := True;
elsif Opt = "--no-direct-drivers" then
Translation.Flag_Direct_Drivers := False;
elsif Opt = "--no-range-checks" then
Translation.Flag_Range_Checks := False;
elsif Opt = "--no-index-checks" then
Translation.Flag_Index_Checks := False;
elsif Opt = "--no-identifiers" then
Translation.Flag_Discard_Identifiers := True;
else
return False;
end if;
return True;
end Parse_Option;
procedure Disp_Option
is
procedure P (Str : String) renames Ada.Text_IO.Put_Line;
begin
P (" --dump-drivers dump processes drivers");
end Disp_Option;
procedure Register_Translation_Back_End is
begin
Back_End.Finish_Compilation := Finish_Compilation'Access;
Back_End.Sem_Foreign := Sem_Foreign'Access;
Back_End.Parse_Option := Parse_Option'Access;
Back_End.Disp_Option := Disp_Option'Access;
end Register_Translation_Back_End;
end Trans_Be;
|
