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-- Global checks after semantization pass.
-- 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 GHDL; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
with Types; use Types;
with Std_Names; use Std_Names;
with Sem_Specs;
with Ieee.Std_Logic_1164;
with Ieee.Vital_Timing;
with Flags; use Flags;
package body Post_Sems is
procedure Post_Sem_Checks (Unit : Iir_Design_Unit)
is
Lib_Unit : constant Iir := Get_Library_Unit (Unit);
Lib : Iir_Library_Declaration;
Id : Name_Id;
Value : Iir_Attribute_Value;
Spec : Iir_Attribute_Specification;
Attr_Decl : Iir_Attribute_Declaration;
begin
-- No checks on package bodies or context declaration
case Get_Kind (Lib_Unit) is
when Iir_Kind_Package_Body
| Iir_Kind_Context_Declaration =>
return;
when others =>
null;
end case;
Id := Get_Identifier (Lib_Unit);
Lib := Get_Library (Get_Design_File (Unit));
if Get_Identifier (Lib) = Name_Ieee then
-- This is a unit of IEEE.
if Get_Kind (Lib_Unit) = Iir_Kind_Package_Declaration then
if Id = Name_Std_Logic_1164 then
Ieee.Std_Logic_1164.Extract_Declarations (Lib_Unit);
elsif Id = Name_VITAL_Timing then
Ieee.Vital_Timing.Extract_Declarations (Lib_Unit);
end if;
end if;
end if;
-- Look for VITAL attributes.
if Flag_Vital_Checks then
Value := Get_Attribute_Value_Chain
(Sem_Specs.Get_Attribute_Value_Chain_Parent (Lib_Unit));
while Value /= Null_Iir loop
Spec := Get_Attribute_Specification (Value);
Attr_Decl := Get_Named_Entity (Get_Attribute_Designator (Spec));
if Attr_Decl = Ieee.Vital_Timing.Vital_Level0_Attribute then
Ieee.Vital_Timing.Check_Vital_Level0 (Unit);
elsif Attr_Decl = Ieee.Vital_Timing.Vital_Level1_Attribute then
Ieee.Vital_Timing.Check_Vital_Level1 (Unit);
end if;
Value := Get_Chain (Value);
end loop;
end if;
end Post_Sem_Checks;
end Post_Sems;
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