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-- Configuration generation.
-- Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
--
-- This program 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 of the License, or
-- (at your option) any later version.
--
-- This program 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 this program. If not, see <gnu.org/licenses>.
with Types; use Types;
with Vhdl.Nodes; use Vhdl.Nodes;
with Tables;
package Vhdl.Configuration is
package Design_Units is new Tables
(Table_Component_Type => Iir_Design_Unit,
Table_Index_Type => Natural,
Table_Low_Bound => 1,
Table_Initial => 16);
-- Get the top configuration to build a design hierarchy whose top is
-- PRIMARY + SECONDARY.
-- PRIMARY must designate a configuration declaration or an entity
-- declaration. In the last case, SECONDARY must be null_identifier or
-- designates an architecture declaration.
--
-- creates a list of design unit.
-- and return the top configuration.
-- Note: this set the Elab_Flag on units.
function Configure (Primary_Id : Name_Id; Secondary_Id : Name_Id)
return Iir;
-- Add design unit UNIT (with its dependences) in the design_units table.
procedure Add_Design_Unit (Unit : Iir_Design_Unit; From : Location_Type);
-- Add all vunits that are bound to any configured entity architecture.
procedure Add_Verification_Units;
-- If set, all design units (even package bodies) are loaded.
Flag_Load_All_Design_Units : Boolean := True;
-- If set, compute the File_Dependence_List of design files.
Flag_Build_File_Dependence : Boolean := False;
-- Check if ENTITY can be at the top of a hierarchy, ie:
-- ENTITY has no generics or all generics have a default expression
-- ENTITY has no ports or all ports type are constrained.
-- If not, emit a elab error message.
procedure Check_Entity_Declaration_Top
(Entity : Iir_Entity_Declaration; Enable_Override : Boolean);
-- Use heuritics to find the top entity in FROM (either a library or
-- a design file): mark all instantiated units and return the unmarked
-- one if there is only one.
-- LOC is used to report errors.
function Find_Top_Entity (From : Iir; Loc : Location_Type) return Iir;
-- Add an override for generic ID.
procedure Add_Generic_Override (Id : Name_Id; Value : String);
-- Apply generic overrides to entity ENT.
procedure Apply_Generic_Override (Ent : Iir);
end Vhdl.Configuration;
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