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-- Semantic analysis.
-- 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 Vhdl.Nodes; use Vhdl.Nodes;
with Vhdl.Tokens;
package Vhdl.Sem_Specs is
-- Return the attribute_value for named entity ENT and attribute identifier
-- ID. Return Null_Iir if ENT was not decorated with attribute ID.
function Find_Attribute_Value (Ent : Iir; Id : Name_Id) return Iir;
-- Return the node containing the attribute_value_chain field for DECL.
-- This is the parent of the attribute specification, so in general this
-- is also the parent of the declaration, but there are exceptions...
function Get_Attribute_Value_Chain_Parent (Decl : Iir) return Iir;
function Get_Entity_Class_Kind (Decl : Iir) return Vhdl.Tokens.Token_Type;
procedure Sem_Attribute_Specification
(Spec : Iir_Attribute_Specification; Scope : Iir);
-- Check declarations following an ALL/OTHERS attribute specification.
-- ATTR_SPEC_CHAIN is the linked list of all attribute specifications whith
-- the entity name list ALL or OTHERS until the current declaration DECL.
-- So no specification in the chain must match the declaration.
procedure Check_Post_Attribute_Specification
(Attr_Spec_Chain : Iir; Decl : Iir);
procedure Sem_Disconnection_Specification
(Dis : Iir_Disconnection_Specification);
procedure Sem_Configuration_Specification
(Parent_Stmts : Iir; Conf : Iir_Configuration_Specification);
-- Analyze binding indication BIND of configuration specification or
-- component configuration PARENT.
-- PRIMARY_ENTITY_ASPECT is not Null_Iir for an incremental binding.
procedure Sem_Binding_Indication (Bind : Iir_Binding_Indication;
Parent : Iir;
Primary_Entity_Aspect : Iir);
-- Analyze entity aspect ASPECT and return the entity declaration.
-- Return NULL_IIR if not found.
function Sem_Entity_Aspect (Aspect : Iir) return Iir;
-- Analyze component_configuration or configuration_specification SPEC.
-- STMTS is the concurrent statement list related to SPEC.
procedure Sem_Component_Specification
(Parent_Stmts : Iir; Spec : Iir; Primary_Entity_Aspect : out Iir);
-- Create a default binding indication for component COMP which will be
-- bound with entity ENTITY_UNIT.
-- If ENTITY_UNIT is NULL_IIR, the component is not bound.
-- If FORCE is True, a binding indication will be created even if the
-- component is not bound (this is an open binding indication).
-- If CREATE_MAP_ASPECT is true, port and generic map aspect are created.
-- PARENT is used to report error.
function Sem_Create_Default_Binding_Indication
(Comp : Iir_Component_Declaration;
Entity_Unit : Iir_Design_Unit;
Parent : Iir;
Force : Boolean;
Create_Map_Aspect : Boolean)
return Iir_Binding_Indication;
-- Create a default generic or port map aspect that associates all elements
-- of ENTITY (if any) to elements of COMP with the same name or to
-- an open association.
-- If KIND is GENERIC_MAP, apply this on generics, if KIND is PORT_MAP,
-- apply this on ports.
-- PARENT is used to report errors.
type Map_Kind_Type is (Map_Generic, Map_Port);
function Create_Default_Map_Aspect
(Comp : Iir; Entity : Iir; Kind : Map_Kind_Type; Parent : Iir)
return Iir;
-- Explain why there is no default binding for COMP.
procedure Explain_No_Visible_Entity (Comp: Iir_Component_Declaration);
function Get_Visible_Entity_Declaration (Comp: Iir_Component_Declaration)
return Iir_Design_Unit;
procedure Sem_Specification_Chain (Decls_Parent : Iir; Parent_Stmts: Iir);
end Vhdl.Sem_Specs;
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