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|
-- Annotations for interpreted simulation
-- Copyright (C) 2014 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;
with Ada.Text_IO;
with Vhdl.Std_Package;
with Vhdl.Errors; use Vhdl.Errors;
with Vhdl.Utils; use Vhdl.Utils;
with Types; use Types;
package body Simul.Annotations is
procedure Annotate_Declaration_List
(Block_Info: Sim_Info_Acc; Decl_Chain: Iir);
procedure Annotate_Sequential_Statement_Chain
(Block_Info: Sim_Info_Acc; Stmt_Chain: Iir);
procedure Annotate_Concurrent_Statements_List
(Block_Info: Sim_Info_Acc; Stmt_Chain: Iir);
procedure Annotate_Block_Configuration
(Block : Iir_Block_Configuration);
procedure Annotate_Subprogram_Interfaces_Type
(Block_Info : Sim_Info_Acc; Subprg: Iir);
procedure Annotate_Subprogram_Specification
(Block_Info : Sim_Info_Acc; Subprg: Iir);
procedure Annotate_Interface_List
(Block_Info: Sim_Info_Acc; Decl_Chain: Iir; With_Types : Boolean);
procedure Annotate_Type_Definition (Block_Info: Sim_Info_Acc; Def: Iir);
-- Annotate type definition DEF only if it is anonymous.
procedure Annotate_Anonymous_Type_Definition
(Block_Info: Sim_Info_Acc; Def: Iir);
-- Add an annotation to object OBJ.
procedure Create_Object_Info (Block_Info : Sim_Info_Acc;
Obj : Iir;
Obj_Kind : Sim_Info_Kind := Kind_Object)
is
Info : Sim_Info_Acc;
begin
Block_Info.Nbr_Objects := Block_Info.Nbr_Objects + 1;
case Obj_Kind is
when Kind_Object =>
Info := new Sim_Info_Type'(Kind => Kind_Object,
Ref => Obj,
Obj_Scope => Block_Info,
Slot => Block_Info.Nbr_Objects);
when Kind_File =>
Info := new Sim_Info_Type'(Kind => Kind_File,
Ref => Obj,
Obj_Scope => Block_Info,
Slot => Block_Info.Nbr_Objects);
when Kind_Signal =>
Info := new Sim_Info_Type'(Kind => Kind_Signal,
Ref => Obj,
Obj_Scope => Block_Info,
Slot => Block_Info.Nbr_Objects);
-- Reserve one more slot for value, and initial driver value.
Block_Info.Nbr_Objects := Block_Info.Nbr_Objects + 2;
when Kind_Terminal =>
Info := new Sim_Info_Type'(Kind => Kind_Terminal,
Ref => Obj,
Obj_Scope => Block_Info,
Slot => Block_Info.Nbr_Objects);
when Kind_Quantity =>
Info := new Sim_Info_Type'(Kind => Kind_Quantity,
Ref => Obj,
Obj_Scope => Block_Info,
Slot => Block_Info.Nbr_Objects);
when Kind_PSL =>
Info := new Sim_Info_Type'(Kind => Kind_PSL,
Ref => Obj,
Obj_Scope => Block_Info,
Slot => Block_Info.Nbr_Objects);
when Kind_Block
| Kind_Process
| Kind_Frame
| Kind_Protected
| Kind_Package
| Kind_Scalar_Type
| Kind_File_Type
| Kind_Extra =>
raise Internal_Error;
end case;
Set_Info (Obj, Info);
end Create_Object_Info;
-- Add an annotation to SIGNAL.
procedure Create_Signal_Info (Block_Info: Sim_Info_Acc; Signal: Iir) is
begin
Create_Object_Info (Block_Info, Signal, Kind_Signal);
end Create_Signal_Info;
procedure Add_Terminal_Info (Block_Info: Sim_Info_Acc; Terminal : Iir) is
begin
Create_Object_Info (Block_Info, Terminal, Kind_Terminal);
end Add_Terminal_Info;
procedure Add_Quantity_Info (Block_Info: Sim_Info_Acc; Quantity : Iir) is
begin
Create_Object_Info (Block_Info, Quantity, Kind_Quantity);
end Add_Quantity_Info;
-- If EXPR has not a literal value, create one.
-- This is necessary for subtype bounds.
procedure Annotate_Range_Expression
(Block_Info: Sim_Info_Acc; Expr: Iir_Range_Expression)
is
begin
if Get_Info (Expr) /= null then
return;
end if;
-- if Expr = null or else Get_Info (Expr) /= null then
-- return;
-- end if;
Create_Object_Info (Block_Info, Expr);
end Annotate_Range_Expression;
-- Annotate type definition DEF only if it is anonymous.
procedure Annotate_Anonymous_Type_Definition
(Block_Info: Sim_Info_Acc; Def: Iir)
is
begin
if Is_Anonymous_Type_Definition (Def) then
Annotate_Type_Definition (Block_Info, Def);
end if;
end Annotate_Anonymous_Type_Definition;
function Get_File_Signature_Length (Def : Iir) return Natural is
begin
case Get_Kind (Def) is
when Iir_Kinds_Scalar_Type_And_Subtype_Definition =>
return 1;
when Iir_Kind_Array_Type_Definition
| Iir_Kind_Array_Subtype_Definition =>
return 2
+ Get_File_Signature_Length (Get_Element_Subtype (Def));
when Iir_Kind_Record_Type_Definition
| Iir_Kind_Record_Subtype_Definition =>
declare
List : constant Iir_Flist :=
Get_Elements_Declaration_List (Get_Base_Type (Def));
El : Iir;
Res : Natural;
begin
Res := 2;
for I in Flist_First .. Flist_Last (List) loop
El := Get_Nth_Element (List, I);
Res := Res + Get_File_Signature_Length (Get_Type (El));
end loop;
return Res;
end;
when others =>
Error_Kind ("get_file_signature_length", Def);
end case;
end Get_File_Signature_Length;
procedure Get_File_Signature (Def : Iir;
Res : in out String;
Off : in out Natural)
is
Scalar_Map : constant array (Iir_Value_Scalars) of Character := "beEIF";
begin
case Get_Kind (Def) is
when Iir_Kinds_Scalar_Type_And_Subtype_Definition =>
Res (Off) :=
Scalar_Map (Get_Info (Get_Base_Type (Def)).Scalar_Mode);
Off := Off + 1;
when Iir_Kind_Array_Type_Definition
| Iir_Kind_Array_Subtype_Definition =>
Res (Off) := '[';
Off := Off + 1;
Get_File_Signature (Get_Element_Subtype (Def), Res, Off);
Res (Off) := ']';
Off := Off + 1;
when Iir_Kind_Record_Type_Definition
| Iir_Kind_Record_Subtype_Definition =>
declare
List : constant Iir_Flist :=
Get_Elements_Declaration_List (Get_Base_Type (Def));
El : Iir;
begin
Res (Off) := '<';
Off := Off + 1;
for I in Flist_First .. Flist_Last (List) loop
El := Get_Nth_Element (List, I);
Get_File_Signature (Get_Type (El), Res, Off);
end loop;
Res (Off) := '>';
Off := Off + 1;
end;
when others =>
Error_Kind ("get_file_signature", Def);
end case;
end Get_File_Signature;
procedure Annotate_Protected_Type_Declaration (Block_Info : Sim_Info_Acc;
Prot: Iir)
is
Decl : Iir;
Prot_Info: Sim_Info_Acc;
begin
-- First the interfaces type (they are elaborated in their context).
Decl := Get_Declaration_Chain (Prot);
while Decl /= Null_Iir loop
case Get_Kind (Decl) is
when Iir_Kind_Function_Declaration
| Iir_Kind_Procedure_Declaration =>
Annotate_Subprogram_Interfaces_Type (Block_Info, Decl);
when Iir_Kind_Use_Clause =>
null;
when others =>
-- FIXME: attribute
Error_Kind ("annotate_protected_type_declaration", Decl);
end case;
Decl := Get_Chain (Decl);
end loop;
-- Note: if this protected type declaration appears in a generic
-- package declaration that is shared, the instances will always get
-- Nbr_Objects as 0...
Prot_Info := new Sim_Info_Type'(Kind => Kind_Protected,
Ref => Prot,
Nbr_Objects => 0);
Set_Info (Prot, Prot_Info);
Decl := Get_Declaration_Chain (Prot);
while Decl /= Null_Iir loop
case Get_Kind (Decl) is
when Iir_Kind_Function_Declaration
| Iir_Kind_Procedure_Declaration =>
Annotate_Subprogram_Specification (Block_Info, Decl);
when Iir_Kind_Use_Clause =>
null;
when others =>
Error_Kind ("annotate_protected_type_declaration", Decl);
end case;
Decl := Get_Chain (Decl);
end loop;
end Annotate_Protected_Type_Declaration;
procedure Annotate_Protected_Type_Body (Block_Info : Sim_Info_Acc;
Prot: Iir)
is
pragma Unreferenced (Block_Info);
Prot_Info : constant Sim_Info_Acc :=
Get_Info (Get_Protected_Type_Declaration (Prot));
begin
Set_Info (Prot, Prot_Info);
Annotate_Declaration_List (Prot_Info, Get_Declaration_Chain (Prot));
end Annotate_Protected_Type_Body;
procedure Annotate_Type_Definition (Block_Info: Sim_Info_Acc; Def: Iir)
is
El: Iir;
begin
-- Happen only with universal types.
if Def = Null_Iir then
return;
end if;
case Get_Kind (Def) is
when Iir_Kind_Enumeration_Type_Definition =>
declare
Mode : Iir_Value_Kind;
begin
if Def = Vhdl.Std_Package.Boolean_Type_Definition
or else Def = Vhdl.Std_Package.Bit_Type_Definition
then
Mode := Iir_Value_B1;
elsif (Get_Nbr_Elements (Get_Enumeration_Literal_List (Def))
<= 256)
then
Mode := Iir_Value_E8;
else
Mode := Iir_Value_E32;
end if;
Set_Info (Def, new Sim_Info_Type'(Kind => Kind_Scalar_Type,
Ref => Def,
Scalar_Mode => Mode));
Annotate_Range_Expression
(Block_Info, Get_Range_Constraint (Def));
end;
when Iir_Kind_Integer_Subtype_Definition
| Iir_Kind_Floating_Subtype_Definition
| Iir_Kind_Enumeration_Subtype_Definition
| Iir_Kind_Physical_Subtype_Definition =>
El := Get_Range_Constraint (Def);
if El /= Null_Iir then
case Get_Kind (El) is
when Iir_Kind_Range_Expression =>
Annotate_Range_Expression (Block_Info, El);
-- A physical subtype may be defined by an integer range.
if Get_Kind (Def) = Iir_Kind_Physical_Subtype_Definition
then
null;
-- FIXME
-- Convert_Int_To_Phys (Get_Info (El).Value);
end if;
when Iir_Kind_Range_Array_Attribute
| Iir_Kind_Reverse_Range_Array_Attribute =>
null;
when others =>
Error_Kind ("annotate_type_definition (rc)", El);
end case;
end if;
Annotate_Anonymous_Type_Definition
(Block_Info, Get_Base_Type (Def));
when Iir_Kind_Integer_Type_Definition =>
Set_Info (Def,
new Sim_Info_Type'(Kind => Kind_Scalar_Type,
Ref => Def,
Scalar_Mode => Iir_Value_I64));
when Iir_Kind_Floating_Type_Definition =>
Set_Info (Def,
new Sim_Info_Type'(Kind => Kind_Scalar_Type,
Ref => Def,
Scalar_Mode => Iir_Value_F64));
when Iir_Kind_Physical_Type_Definition =>
Set_Info (Def,
new Sim_Info_Type'(Kind => Kind_Scalar_Type,
Ref => Def,
Scalar_Mode => Iir_Value_I64));
when Iir_Kind_Array_Type_Definition =>
El := Get_Element_Subtype (Def);
Annotate_Anonymous_Type_Definition (Block_Info, El);
when Iir_Kind_Array_Subtype_Definition =>
declare
List : constant Iir_Flist := Get_Index_Subtype_List (Def);
begin
for I in Flist_First .. Flist_Last (List) loop
El := Get_Index_Type (List, I);
Annotate_Anonymous_Type_Definition (Block_Info, El);
end loop;
end;
when Iir_Kind_Record_Type_Definition =>
declare
List : constant Iir_Flist :=
Get_Elements_Declaration_List (Def);
begin
for I in Flist_First .. Flist_Last (List) loop
El := Get_Nth_Element (List, I);
Annotate_Anonymous_Type_Definition
(Block_Info, Get_Type (El));
end loop;
end;
when Iir_Kind_Record_Subtype_Definition =>
null;
when Iir_Kind_Access_Type_Definition =>
Annotate_Anonymous_Type_Definition
(Block_Info, Get_Designated_Type (Def));
when Iir_Kind_Access_Subtype_Definition =>
null;
when Iir_Kind_File_Type_Definition =>
declare
Type_Name : constant Iir := Get_Type (Get_File_Type_Mark (Def));
Res : String_Acc;
begin
if Get_Text_File_Flag (Def)
or else
(Get_Kind (Type_Name)
in Iir_Kinds_Scalar_Type_And_Subtype_Definition)
then
Res := null;
else
declare
Sig : String
(1 .. Get_File_Signature_Length (Type_Name) + 2);
Off : Natural := Sig'First;
begin
Get_File_Signature (Type_Name, Sig, Off);
Sig (Off + 0) := '.';
Sig (Off + 1) := ASCII.NUL;
Res := new String'(Sig);
end;
end if;
Set_Info (Def,
new Sim_Info_Type'(Kind => Kind_File_Type,
Ref => Def,
File_Signature => Res));
end;
when Iir_Kind_Protected_Type_Declaration =>
Annotate_Protected_Type_Declaration (Block_Info, Def);
when Iir_Kind_Incomplete_Type_Definition =>
null;
when others =>
Error_Kind ("annotate_type_definition", Def);
end case;
end Annotate_Type_Definition;
procedure Annotate_Interface_List_Subtype
(Block_Info: Sim_Info_Acc; Decl_Chain: Iir)
is
El: Iir;
begin
El := Decl_Chain;
while El /= Null_Iir loop
case Get_Kind (El) is
when Iir_Kind_Interface_Signal_Declaration
| Iir_Kind_Interface_Variable_Declaration
| Iir_Kind_Interface_Constant_Declaration
| Iir_Kind_Interface_File_Declaration =>
Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (El));
when others =>
Error_Kind ("annotate_interface_list_subtype", El);
end case;
El := Get_Chain (El);
end loop;
end Annotate_Interface_List_Subtype;
procedure Annotate_Interface_Package_Declaration
(Block_Info: Sim_Info_Acc; Inter : Iir)
is
Package_Info : Sim_Info_Acc;
begin
Block_Info.Nbr_Objects := Block_Info.Nbr_Objects + 1;
Package_Info := new Sim_Info_Type'
(Kind => Kind_Package,
Ref => Inter,
Nbr_Objects => 0,
Pkg_Slot => Block_Info.Nbr_Objects,
Pkg_Parent => Block_Info);
Set_Info (Inter, Package_Info);
Annotate_Interface_List
(Package_Info, Get_Generic_Chain (Inter), True);
Annotate_Declaration_List (Package_Info, Get_Declaration_Chain (Inter));
end Annotate_Interface_Package_Declaration;
procedure Annotate_Interface_List
(Block_Info: Sim_Info_Acc; Decl_Chain: Iir; With_Types : Boolean)
is
Decl : Iir;
begin
Decl := Decl_Chain;
while Decl /= Null_Iir loop
if With_Types
and then Get_Kind (Decl) in Iir_Kinds_Interface_Object_Declaration
then
Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl));
end if;
case Get_Kind (Decl) is
when Iir_Kind_Interface_Signal_Declaration =>
Create_Signal_Info (Block_Info, Decl);
when Iir_Kind_Interface_Variable_Declaration
| Iir_Kind_Interface_Constant_Declaration
| Iir_Kind_Interface_File_Declaration =>
Create_Object_Info (Block_Info, Decl);
when Iir_Kind_Interface_Package_Declaration =>
Annotate_Interface_Package_Declaration (Block_Info, Decl);
when Iir_Kinds_Interface_Subprogram_Declaration
| Iir_Kind_Interface_Type_Declaration =>
-- Macro-expanded
null;
when others =>
Error_Kind ("annotate_interface_list", Decl);
end case;
Decl := Get_Chain (Decl);
end loop;
end Annotate_Interface_List;
procedure Annotate_Subprogram_Interfaces_Type
(Block_Info : Sim_Info_Acc; Subprg: Iir)
is
Interfaces : constant Iir := Get_Interface_Declaration_Chain (Subprg);
begin
-- See LRM93 12.3.1.1 (Subprogram declarations and bodies). The type
-- of the interfaces are elaborated in the outer context.
Annotate_Interface_List_Subtype (Block_Info, Interfaces);
if Get_Kind (Subprg) = Iir_Kind_Function_Declaration then
-- FIXME: can this create a new annotation ?
Annotate_Anonymous_Type_Definition
(Block_Info, Get_Return_Type (Subprg));
end if;
end Annotate_Subprogram_Interfaces_Type;
procedure Annotate_Subprogram_Specification
(Block_Info : Sim_Info_Acc; Subprg: Iir)
is
pragma Unreferenced (Block_Info);
Subprg_Info: Sim_Info_Acc;
Interfaces : constant Iir := Get_Interface_Declaration_Chain (Subprg);
begin
Subprg_Info := new Sim_Info_Type'(Kind => Kind_Frame,
Ref => Subprg,
Nbr_Objects => 0);
Set_Info (Subprg, Subprg_Info);
Annotate_Interface_List (Subprg_Info, Interfaces, False);
end Annotate_Subprogram_Specification;
procedure Annotate_Subprogram_Body
(Block_Info : Sim_Info_Acc; Subprg: Iir)
is
pragma Unreferenced (Block_Info);
Spec : constant Iir := Get_Subprogram_Specification (Subprg);
Subprg_Info : constant Sim_Info_Acc := Get_Info (Spec);
begin
Set_Info (Subprg, Subprg_Info);
-- Do not annotate body of foreign subprograms.
if Get_Foreign_Flag (Spec) then
return;
end if;
Annotate_Declaration_List
(Subprg_Info, Get_Declaration_Chain (Subprg));
Annotate_Sequential_Statement_Chain
(Subprg_Info, Get_Sequential_Statement_Chain (Subprg));
end Annotate_Subprogram_Body;
procedure Annotate_Component_Declaration (Comp: Iir_Component_Declaration)
is
Info : Sim_Info_Acc;
begin
Info := new Sim_Info_Type'(Kind => Kind_Block,
Ref => Comp,
Inst_Slot => Invalid_Instance_Slot,
Nbr_Objects => 0,
Nbr_Instances => 1); -- For the instance.
Set_Info (Comp, Info);
Annotate_Interface_List (Info, Get_Generic_Chain (Comp), True);
Annotate_Interface_List (Info, Get_Port_Chain (Comp), True);
end Annotate_Component_Declaration;
-- For package declaration or package instantiation declaration.
procedure Annotate_Package_Declaration
(Block_Info : Sim_Info_Acc; Decl: Iir)
is
Package_Info : Sim_Info_Acc;
Header : Iir;
begin
Package_Info := new Sim_Info_Type'
(Kind => Kind_Package,
Ref => Decl,
Nbr_Objects => 0,
Pkg_Slot => Invalid_Object_Slot,
Pkg_Parent => null);
if Get_Kind (Decl) = Iir_Kind_Package_Instantiation_Declaration
or else not Is_Uninstantiated_Package (Decl)
then
Block_Info.Nbr_Objects := Block_Info.Nbr_Objects + 1;
Package_Info.Pkg_Slot := Block_Info.Nbr_Objects;
Package_Info.Pkg_Parent := Block_Info;
end if;
Set_Info (Decl, Package_Info);
if Get_Kind (Decl) = Iir_Kind_Package_Instantiation_Declaration then
Annotate_Interface_List
(Package_Info, Get_Generic_Chain (Decl), True);
else
Header := Get_Package_Header (Decl);
if Header /= Null_Iir then
Annotate_Interface_List
(Package_Info, Get_Generic_Chain (Header), True);
end if;
end if;
-- declarations
Annotate_Declaration_List (Package_Info, Get_Declaration_Chain (Decl));
if Get_Kind (Decl) = Iir_Kind_Package_Instantiation_Declaration then
declare
Bod : constant Iir := Get_Package_Body (Decl);
begin
if Bod /= Null_Iir then
Set_Info (Bod, Package_Info);
Annotate_Declaration_List
(Package_Info, Get_Declaration_Chain (Bod));
else
declare
Uninst : constant Iir :=
Get_Uninstantiated_Package_Decl (Decl);
Uninst_Info : constant Sim_Info_Acc := Get_Info (Uninst);
begin
-- There is not corresponding body for an instantiation, so
-- also add objects for the shared body.
Package_Info.Nbr_Objects := Uninst_Info.Nbr_Objects;
end;
end if;
end;
end if;
end Annotate_Package_Declaration;
procedure Annotate_Package_Body (Decl: Iir)
is
Package_Info : constant Sim_Info_Acc := Get_Info (Get_Package (Decl));
begin
-- Set info field of package body declaration.
Set_Info (Decl, Package_Info);
-- declarations
Annotate_Declaration_List (Package_Info, Get_Declaration_Chain (Decl));
end Annotate_Package_Body;
procedure Annotate_Declaration (Block_Info: Sim_Info_Acc; Decl: Iir) is
begin
case Get_Kind (Decl) is
when Iir_Kind_Package_Declaration
| Iir_Kind_Package_Instantiation_Declaration =>
Annotate_Package_Declaration (Block_Info, Decl);
when Iir_Kind_Package_Body =>
Annotate_Package_Body (Decl);
when Iir_Kind_Signal_Attribute_Declaration =>
declare
Attr : Iir;
begin
Attr := Get_Signal_Attribute_Chain (Decl);
while Is_Valid (Attr) loop
Annotate_Anonymous_Type_Definition
(Block_Info, Get_Type (Attr));
Create_Signal_Info (Block_Info, Attr);
Attr := Get_Attr_Chain (Attr);
end loop;
end;
when Iir_Kind_Signal_Declaration =>
Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl));
Create_Signal_Info (Block_Info, Decl);
when Iir_Kind_Variable_Declaration
| Iir_Kind_Iterator_Declaration =>
Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl));
Create_Object_Info (Block_Info, Decl);
when Iir_Kind_Constant_Declaration =>
if Get_Deferred_Declaration (Decl) = Null_Iir
or else Get_Deferred_Declaration_Flag (Decl)
then
-- Create the slot only if the constant is not a full constant
-- declaration.
Annotate_Anonymous_Type_Definition
(Block_Info, Get_Type (Decl));
Create_Object_Info (Block_Info, Decl);
end if;
when Iir_Kind_File_Declaration =>
Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl));
Create_Object_Info (Block_Info, Decl, Kind_File);
when Iir_Kind_Terminal_Declaration =>
Add_Terminal_Info (Block_Info, Decl);
when Iir_Kinds_Branch_Quantity_Declaration =>
Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl));
Add_Quantity_Info (Block_Info, Decl);
when Iir_Kind_Type_Declaration
| Iir_Kind_Anonymous_Type_Declaration =>
Annotate_Type_Definition (Block_Info, Get_Type_Definition (Decl));
when Iir_Kind_Subtype_Declaration =>
Annotate_Type_Definition (Block_Info, Get_Type (Decl));
when Iir_Kind_Protected_Type_Body =>
Annotate_Protected_Type_Body (Block_Info, Decl);
when Iir_Kind_Component_Declaration =>
Annotate_Component_Declaration (Decl);
when Iir_Kind_Function_Declaration
| Iir_Kind_Procedure_Declaration =>
if Get_Implicit_Definition (Decl) in Iir_Predefined_Explicit
and then not Is_Second_Subprogram_Specification (Decl)
then
Annotate_Subprogram_Interfaces_Type (Block_Info, Decl);
Annotate_Subprogram_Specification (Block_Info, Decl);
end if;
when Iir_Kind_Function_Body
| Iir_Kind_Procedure_Body =>
Annotate_Subprogram_Body (Block_Info, Decl);
when Iir_Kind_Object_Alias_Declaration =>
Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl));
Create_Object_Info (Block_Info, Decl);
when Iir_Kind_Non_Object_Alias_Declaration =>
null;
when Iir_Kind_Attribute_Declaration =>
null;
when Iir_Kind_Attribute_Specification =>
declare
Value : Iir_Attribute_Value;
begin
Value := Get_Attribute_Value_Spec_Chain (Decl);
while Value /= Null_Iir loop
Annotate_Anonymous_Type_Definition
(Block_Info, Get_Type (Value));
Create_Object_Info (Block_Info, Value);
Value := Get_Spec_Chain (Value);
end loop;
end;
when Iir_Kind_Disconnection_Specification =>
null;
when Iir_Kind_Group_Template_Declaration =>
null;
when Iir_Kind_Group_Declaration =>
null;
when Iir_Kind_Use_Clause =>
null;
when Iir_Kind_Configuration_Specification =>
null;
-- when Iir_Kind_Implicit_Signal_Declaration =>
-- declare
-- Nsig : Iir;
-- begin
-- Nsig := Decl;
-- loop
-- Nsig := Get_Implicit_Signal_Chain (Nsig);
-- exit when Nsig = Null_Iir;
-- Add_Signal_Info (Block_Info, Nsig);
-- end loop;
-- end;
when Iir_Kind_Nature_Declaration =>
null;
when Iir_Kind_Psl_Default_Clock =>
null;
when others =>
Error_Kind ("annotate_declaration", Decl);
end case;
end Annotate_Declaration;
procedure Annotate_Declaration_List
(Block_Info: Sim_Info_Acc; Decl_Chain: Iir)
is
El: Iir;
begin
El := Decl_Chain;
while El /= Null_Iir loop
Annotate_Declaration (Block_Info, El);
El := Get_Chain (El);
end loop;
end Annotate_Declaration_List;
procedure Annotate_Sequential_Statement_Chain
(Block_Info: Sim_Info_Acc; Stmt_Chain: Iir)
is
El: Iir;
Max_Nbr_Objects : Object_Slot_Type;
Current_Nbr_Objects : Object_Slot_Type;
procedure Save_Nbr_Objects is
begin
-- Objects used by loop statements can be reused later by
-- other (ie following) loop statements.
-- Furthermore, this allow to correctly check elaboration
-- order.
Max_Nbr_Objects := Object_Slot_Type'Max
(Block_Info.Nbr_Objects, Max_Nbr_Objects);
Block_Info.Nbr_Objects := Current_Nbr_Objects;
end Save_Nbr_Objects;
begin
Current_Nbr_Objects := Block_Info.Nbr_Objects;
Max_Nbr_Objects := Current_Nbr_Objects;
El := Stmt_Chain;
while El /= Null_Iir loop
case Get_Kind (El) is
when Iir_Kind_Null_Statement =>
null;
when Iir_Kind_Assertion_Statement
| Iir_Kind_Report_Statement =>
null;
when Iir_Kind_Return_Statement =>
null;
when Iir_Kind_Simple_Signal_Assignment_Statement
| Iir_Kind_Selected_Waveform_Assignment_Statement
| Iir_Kind_Variable_Assignment_Statement =>
null;
when Iir_Kind_Procedure_Call_Statement =>
null;
when Iir_Kind_Exit_Statement
| Iir_Kind_Next_Statement =>
null;
when Iir_Kind_Wait_Statement =>
null;
when Iir_Kind_If_Statement =>
declare
Clause: Iir := El;
begin
loop
Annotate_Sequential_Statement_Chain
(Block_Info, Get_Sequential_Statement_Chain (Clause));
Clause := Get_Else_Clause (Clause);
exit when Clause = Null_Iir;
Save_Nbr_Objects;
end loop;
end;
when Iir_Kind_Case_Statement =>
declare
Assoc: Iir;
begin
Assoc := Get_Case_Statement_Alternative_Chain (El);
loop
Annotate_Sequential_Statement_Chain
(Block_Info, Get_Associated_Chain (Assoc));
Assoc := Get_Chain (Assoc);
exit when Assoc = Null_Iir;
Save_Nbr_Objects;
end loop;
end;
when Iir_Kind_For_Loop_Statement =>
Annotate_Declaration
(Block_Info, Get_Parameter_Specification (El));
Annotate_Sequential_Statement_Chain
(Block_Info, Get_Sequential_Statement_Chain (El));
when Iir_Kind_While_Loop_Statement =>
Annotate_Sequential_Statement_Chain
(Block_Info, Get_Sequential_Statement_Chain (El));
when others =>
Error_Kind ("annotate_sequential_statement_chain", El);
end case;
Save_Nbr_Objects;
El := Get_Chain (El);
end loop;
Block_Info.Nbr_Objects := Max_Nbr_Objects;
end Annotate_Sequential_Statement_Chain;
procedure Annotate_Block_Statement
(Block_Info : Sim_Info_Acc; Block : Iir_Block_Statement)
is
Info : Sim_Info_Acc;
Header : Iir_Block_Header;
Guard : Iir;
begin
Info := new Sim_Info_Type'(Kind => Kind_Block,
Ref => Block,
Inst_Slot => Block_Info.Nbr_Instances,
Nbr_Objects => 0,
Nbr_Instances => 0);
Set_Info (Block, Info);
Block_Info.Nbr_Instances := Block_Info.Nbr_Instances + 1;
Guard := Get_Guard_Decl (Block);
if Guard /= Null_Iir then
Create_Signal_Info (Info, Guard);
end if;
Header := Get_Block_Header (Block);
if Header /= Null_Iir then
Annotate_Interface_List (Info, Get_Generic_Chain (Header), True);
Annotate_Interface_List (Info, Get_Port_Chain (Header), True);
end if;
Annotate_Declaration_List (Info, Get_Declaration_Chain (Block));
Annotate_Concurrent_Statements_List
(Info, Get_Concurrent_Statement_Chain (Block));
end Annotate_Block_Statement;
procedure Annotate_Generate_Statement_Body
(Block_Info : Sim_Info_Acc; Bod : Iir; It : Iir)
is
Info : Sim_Info_Acc;
begin
Info := new Sim_Info_Type'(Kind => Kind_Block,
Ref => Bod,
Inst_Slot => Block_Info.Nbr_Instances,
Nbr_Objects => 0,
Nbr_Instances => 0);
Set_Info (Bod, Info);
Block_Info.Nbr_Instances := Block_Info.Nbr_Instances + 1;
if It /= Null_Iir then
Annotate_Declaration (Info, It);
end if;
Annotate_Declaration_List (Info, Get_Declaration_Chain (Bod));
Annotate_Concurrent_Statements_List
(Info, Get_Concurrent_Statement_Chain (Bod));
end Annotate_Generate_Statement_Body;
procedure Annotate_If_Generate_Statement
(Block_Info : Sim_Info_Acc; Stmt : Iir)
is
Clause : Iir;
begin
Clause := Stmt;
while Clause /= Null_Iir loop
Annotate_Generate_Statement_Body
(Block_Info, Get_Generate_Statement_Body (Clause), Null_Iir);
Clause := Get_Generate_Else_Clause (Clause);
end loop;
end Annotate_If_Generate_Statement;
procedure Annotate_For_Generate_Statement
(Block_Info : Sim_Info_Acc; Stmt : Iir) is
begin
Annotate_Generate_Statement_Body
(Block_Info,
Get_Generate_Statement_Body (Stmt),
Get_Parameter_Specification (Stmt));
end Annotate_For_Generate_Statement;
procedure Annotate_Case_Generate_Statement
(Block_Info : Sim_Info_Acc; Stmt : Iir)
is
Assoc : Iir;
begin
Assoc := Get_Case_Statement_Alternative_Chain (Stmt);
while Assoc /= Null_Iir loop
if not Get_Same_Alternative_Flag (Assoc) then
Annotate_Generate_Statement_Body
(Block_Info, Get_Associated_Block (Assoc), Null_Iir);
end if;
Assoc := Get_Chain (Assoc);
end loop;
end Annotate_Case_Generate_Statement;
procedure Annotate_Component_Instantiation_Statement
(Block_Info : Sim_Info_Acc; Stmt : Iir)
is
Info: Sim_Info_Acc;
begin
-- Add a slot just to put the instance.
Info := new Sim_Info_Type'(Kind => Kind_Block,
Ref => Stmt,
Inst_Slot => Block_Info.Nbr_Instances,
Nbr_Objects => 0,
Nbr_Instances => 1);
Set_Info (Stmt, Info);
Block_Info.Nbr_Instances := Block_Info.Nbr_Instances + 1;
end Annotate_Component_Instantiation_Statement;
procedure Annotate_Process_Statement (Block_Info : Sim_Info_Acc; Stmt : Iir)
is
pragma Unreferenced (Block_Info);
Info : Sim_Info_Acc;
begin
Info := new Sim_Info_Type'(Kind => Kind_Process,
Ref => Stmt,
Nbr_Objects => 0);
Set_Info (Stmt, Info);
Annotate_Declaration_List
(Info, Get_Declaration_Chain (Stmt));
Annotate_Sequential_Statement_Chain
(Info, Get_Sequential_Statement_Chain (Stmt));
end Annotate_Process_Statement;
procedure Annotate_Concurrent_Statements_List
(Block_Info: Sim_Info_Acc; Stmt_Chain : Iir)
is
El : Iir;
begin
El := Stmt_Chain;
while El /= Null_Iir loop
case Get_Kind (El) is
when Iir_Kind_Sensitized_Process_Statement
| Iir_Kind_Process_Statement =>
Annotate_Process_Statement (Block_Info, El);
when Iir_Kind_Component_Instantiation_Statement =>
Annotate_Component_Instantiation_Statement (Block_Info, El);
when Iir_Kind_Block_Statement =>
Annotate_Block_Statement (Block_Info, El);
when Iir_Kind_If_Generate_Statement =>
Annotate_If_Generate_Statement (Block_Info, El);
when Iir_Kind_For_Generate_Statement =>
Annotate_For_Generate_Statement (Block_Info, El);
when Iir_Kind_Case_Generate_Statement =>
Annotate_Case_Generate_Statement (Block_Info, El);
when Iir_Kind_Psl_Default_Clock
| Iir_Kind_Psl_Declaration =>
null;
when Iir_Kind_Psl_Cover_Statement
| Iir_Kind_Psl_Assert_Statement =>
null;
when Iir_Kind_Psl_Endpoint_Declaration =>
Create_Object_Info (Block_Info, El, Kind_PSL);
when Iir_Kind_Simple_Simultaneous_Statement =>
null;
when Iir_Kind_Concurrent_Simple_Signal_Assignment =>
-- In case concurrent signal assignemnts were not
-- canonicalized.
null;
when others =>
Error_Kind ("annotate_concurrent_statements_list", El);
end case;
El := Get_Chain (El);
end loop;
end Annotate_Concurrent_Statements_List;
procedure Annotate_Entity (Decl: Iir_Entity_Declaration)
is
Entity_Info: Sim_Info_Acc;
begin
Entity_Info :=
new Sim_Info_Type'(Kind => Kind_Block,
Ref => Decl,
Inst_Slot => Invalid_Instance_Slot,
Nbr_Objects => 0,
Nbr_Instances => 0);
Set_Info (Decl, Entity_Info);
-- generic list.
Annotate_Interface_List (Entity_Info, Get_Generic_Chain (Decl), True);
-- Port list.
Annotate_Interface_List (Entity_Info, Get_Port_Chain (Decl), True);
-- declarations
Annotate_Declaration_List (Entity_Info, Get_Declaration_Chain (Decl));
-- processes.
Annotate_Concurrent_Statements_List
(Entity_Info, Get_Concurrent_Statement_Chain (Decl));
end Annotate_Entity;
procedure Annotate_Architecture (Decl: Iir_Architecture_Body)
is
Entity_Info : constant Sim_Info_Acc := Get_Info (Get_Entity (Decl));
Saved_Info : constant Sim_Info_Type (Kind_Block) := Entity_Info.all;
Arch_Info: Sim_Info_Acc;
begin
-- No blocks no instantiation in entities.
pragma Assert (Entity_Info.Nbr_Instances = 0);
-- Annotate architecture using the entity as the architecture extend
-- the scope of the entity, and the entity is the reference.
Annotate_Declaration_List (Entity_Info, Get_Declaration_Chain (Decl));
Annotate_Concurrent_Statements_List
(Entity_Info, Get_Concurrent_Statement_Chain (Decl));
Arch_Info := new Sim_Info_Type'(Entity_Info.all);
Entity_Info.all := Saved_Info;
Set_Info (Decl, Arch_Info);
end Annotate_Architecture;
procedure Annotate_Component_Configuration
(Conf : Iir_Component_Configuration)
is
Block : constant Iir := Get_Block_Configuration (Conf);
begin
Annotate_Block_Configuration (Block);
end Annotate_Component_Configuration;
procedure Annotate_Block_Configuration (Block : Iir_Block_Configuration)
is
El : Iir;
begin
if Block = Null_Iir then
return;
end if;
-- Declaration are use_clause only.
El := Get_Configuration_Item_Chain (Block);
while El /= Null_Iir loop
case Get_Kind (El) is
when Iir_Kind_Block_Configuration =>
Annotate_Block_Configuration (El);
when Iir_Kind_Component_Configuration =>
Annotate_Component_Configuration (El);
when others =>
Error_Kind ("annotate_block_configuration", El);
end case;
El := Get_Chain (El);
end loop;
end Annotate_Block_Configuration;
procedure Annotate_Configuration_Declaration
(Block_Info : Sim_Info_Acc; Decl : Iir_Configuration_Declaration)
is
Config_Info: Sim_Info_Acc;
begin
Block_Info.Nbr_Objects := Block_Info.Nbr_Objects + 1;
Config_Info := new Sim_Info_Type'
(Kind => Kind_Package,
Ref => Decl,
Nbr_Objects => 0,
Pkg_Slot => Block_Info.Nbr_Objects,
Pkg_Parent => Block_Info);
Set_Info (Decl, Config_Info);
Annotate_Declaration_List (Config_Info, Get_Declaration_Chain (Decl));
Annotate_Block_Configuration (Get_Block_Configuration (Decl));
end Annotate_Configuration_Declaration;
package Info_Node is new Tables
(Table_Component_Type => Sim_Info_Acc,
Table_Index_Type => Iir,
Table_Low_Bound => 2,
Table_Initial => 1024);
procedure Annotate_Expand_Table
is
El: Iir;
begin
Info_Node.Increment_Last;
El := Info_Node.Last;
Info_Node.Set_Last (Get_Last_Node);
for I in El .. Info_Node.Last loop
Info_Node.Table (I) := null;
end loop;
end Annotate_Expand_Table;
-- Decorate the tree in order to be usable with the internal simulator.
procedure Annotate (Unit : Iir_Design_Unit)
is
El : constant Iir := Get_Library_Unit (Unit);
begin
-- Expand info table.
Annotate_Expand_Table;
case Get_Kind (El) is
when Iir_Kind_Entity_Declaration =>
Annotate_Entity (El);
when Iir_Kind_Architecture_Body =>
Annotate_Architecture (El);
when Iir_Kind_Package_Declaration =>
declare
use Vhdl.Std_Package;
begin
if El = Standard_Package then
pragma Assert (Global_Info = null);
Global_Info :=
new Sim_Info_Type'(Kind => Kind_Block,
Ref => El,
Nbr_Objects => 0,
Inst_Slot => Invalid_Instance_Slot,
Nbr_Instances => 0);
Annotate_Package_Declaration (Global_Info, El);
-- These types are not in std.standard!
Annotate_Type_Definition
(Get_Info (El), Convertible_Integer_Type_Definition);
Annotate_Type_Definition
(Get_Info (El), Convertible_Real_Type_Definition);
else
pragma Assert (Global_Info /= null);
Annotate_Package_Declaration (Global_Info, El);
end if;
end;
when Iir_Kind_Package_Body =>
Annotate_Package_Body (El);
when Iir_Kind_Configuration_Declaration =>
Annotate_Configuration_Declaration (Global_Info, El);
when Iir_Kind_Package_Instantiation_Declaration =>
Annotate_Package_Declaration (Global_Info, El);
when Iir_Kind_Context_Declaration =>
null;
when others =>
Error_Kind ("annotate2", El);
end case;
end Annotate;
-- Disp annotations for an iir node.
procedure Disp_Vhdl_Info (Node: Iir)
is
use Ada.Text_IO;
Info : constant Sim_Info_Acc := Get_Info (Node);
begin
if Info = null then
return;
end if;
case Info.Kind is
when Kind_Block =>
Put_Line
("-- nbr objects:" & Object_Slot_Type'Image (Info.Nbr_Objects));
when Kind_Frame
| Kind_Protected
| Kind_Process
| Kind_Package =>
Put_Line
("-- nbr objects:" & Object_Slot_Type'Image (Info.Nbr_Objects));
when Kind_Object | Kind_Signal | Kind_File
| Kind_Terminal
| Kind_Quantity
| Kind_PSL =>
Put_Line ("-- slot:" & Object_Slot_Type'Image (Info.Slot));
when Kind_Scalar_Type
| Kind_File_Type
| Kind_Extra =>
null;
end case;
end Disp_Vhdl_Info;
procedure Disp_Info (Info : Sim_Info_Acc)
is
use Ada.Text_IO;
Indent: Count;
begin
Indent := Col + 2;
Set_Col (Indent);
if Info = null then
Put_Line ("*null*");
return;
end if;
case Info.Kind is
when Kind_Block
| Kind_Frame
| Kind_Protected
| Kind_Process
| Kind_Package =>
Put_Line ("nbr objects:"
& Object_Slot_Type'Image (Info.Nbr_Objects));
case Info.Kind is
when Kind_Block =>
Set_Col (Indent);
Put_Line ("inst_slot:"
& Instance_Slot_Type'Image (Info.Inst_Slot));
Set_Col (Indent);
Put_Line ("nbr instance:"
& Instance_Slot_Type'Image (Info.Nbr_Instances));
when others =>
null;
end case;
when Kind_Object | Kind_Signal | Kind_File
| Kind_Terminal | Kind_Quantity
| Kind_PSL =>
Put_Line ("slot:" & Object_Slot_Type'Image (Info.Slot));
when Kind_Extra =>
Put_Line ("extra:" & Extra_Slot_Type'Image (Info.Extra_Slot));
when Kind_Scalar_Type =>
Put_Line ("scalar type: "
& Iir_Value_Kind'Image (Info.Scalar_Mode));
when Kind_File_Type =>
Put ("file type: ");
if Info.File_Signature = null then
Put ("(no sig)");
else
Put (Info.File_Signature.all);
end if;
New_Line;
end case;
end Disp_Info;
procedure Disp_Tree_Info (Node: Iir) is
begin
Disp_Info (Get_Info (Node));
end Disp_Tree_Info;
procedure Set_Info (Target: Iir; Info: Sim_Info_Acc) is
begin
pragma Assert (Info_Node.Table (Target) = null);
Info_Node.Table (Target) := Info;
end Set_Info;
function Get_Info (Target: Iir) return Sim_Info_Acc is
begin
return Info_Node.Table (Target);
end Get_Info;
end Simul.Annotations;
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