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|
-- Debug utilities on elaborated design
-- Copyright (C) 2019 Tristan Gingold
--
-- This file is part of GHDL.
--
-- 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 Name_Table; use Name_Table;
with Simple_IO; use Simple_IO;
with Utils_IO; use Utils_IO;
with Files_Map;
with Areapools;
with Libraries;
with Std_Names;
with Errorout;
with Elab.Debugger; use Elab.Debugger;
with Elab.Memtype; use Elab.Memtype;
with Elab.Vhdl_Values; use Elab.Vhdl_Values;
with Elab.Vhdl_Values.Debug; use Elab.Vhdl_Values.Debug;
with Synth.Vhdl_Expr;
with Vhdl.Utils; use Vhdl.Utils;
with Vhdl.Errors;
with Vhdl.Tokens;
with Vhdl.Scanner;
with Vhdl.Parse;
with Vhdl.Sem_Scopes;
with Vhdl.Sem_Expr;
with Vhdl.Canon;
with Vhdl.Annotations;
with Vhdl.Std_Package;
with Vhdl.Prints;
package body Elab.Vhdl_Debug is
procedure Disp_Discrete_Value (Val : Int64; Btype : Node) is
begin
case Get_Kind (Btype) is
when Iir_Kind_Integer_Type_Definition
| Iir_Kind_Integer_Subtype_Definition =>
Put_Int64 (Val);
when Iir_Kind_Enumeration_Type_Definition
| Iir_Kind_Enumeration_Subtype_Definition =>
declare
Pos : constant Natural := Natural (Val);
Enums : constant Node_Flist :=
Get_Enumeration_Literal_List (Btype);
Id : constant Name_Id :=
Get_Identifier (Get_Nth_Element (Enums, Pos));
begin
Put (Name_Table.Image (Id));
end;
when others =>
Vhdl.Errors.Error_Kind ("disp_discrete_value", Btype);
end case;
end Disp_Discrete_Value;
procedure Disp_Value_Vector (Mem : Memtyp; A_Type: Node; Bound : Bound_Type)
is
El_Type : constant Node := Get_Base_Type (Get_Element_Subtype (A_Type));
El_Typ : constant Type_Acc := Get_Array_Element (Mem.Typ);
type Last_Enum_Type is (None, Char, Identifier);
Last_Enum : Last_Enum_Type;
Enum_List : Node_Flist;
El_Id : Name_Id;
El_Pos : Natural;
begin
-- Pretty print vectors of enumerated types
if Get_Kind (El_Type) = Iir_Kind_Enumeration_Type_Definition then
Last_Enum := None;
Enum_List := Get_Enumeration_Literal_List (El_Type);
for I in 1 .. Bound.Len loop
El_Pos := Natural
(Read_Discrete
(Memtyp'(El_Typ, Mem.Mem + Size_Type (I - 1) * El_Typ.Sz)));
El_Id := Get_Identifier (Get_Nth_Element (Enum_List, El_Pos));
if Name_Table.Is_Character (El_Id) then
case Last_Enum is
when None =>
Put ("""");
when Identifier =>
Put (" & """);
when Char =>
null;
end case;
Put (Name_Table.Get_Character (El_Id));
Last_Enum := Char;
else
case Last_Enum is
when None =>
null;
when Identifier =>
Put (" & ");
when Char =>
Put (""" & ");
end case;
Put (Name_Table.Image (El_Id));
Last_Enum := Identifier;
end if;
end loop;
case Last_Enum is
when None =>
Put (""""""); -- Simply ""
when Identifier =>
null;
when Char =>
Put ("""");
end case;
else
Put ("(");
for I in 1 .. Bound.Len loop
if I /= 1 then
Put (", ");
end if;
Disp_Memtyp ((El_Typ, Mem.Mem + Size_Type (I - 1) * El_Typ.Sz),
El_Type);
end loop;
Put (")");
end if;
end Disp_Value_Vector;
procedure Disp_Value_Array (Mem : Memtyp; A_Type: Node)
is
Stride : Size_Type;
Len : Uns32;
begin
if Mem.Typ.Alast then
-- Last dimension
Disp_Value_Vector (Mem, A_Type, Mem.Typ.Abound);
else
Stride := Mem.Typ.Arr_El.Sz;
Len := Mem.Typ.Abound.Len;
Put ("(");
for I in 1 .. Len loop
if I /= 1 then
Put (", ");
end if;
Disp_Value_Array ((Mem.Typ,
Mem.Mem + Size_Type (Len - I) * Stride),
A_Type);
end loop;
Put (")");
end if;
end Disp_Value_Array;
procedure Disp_Value_Record (M : Memtyp; Vtype: Node)
is
El_List : Iir_Flist;
El : Node;
begin
Put ("(");
El_List := Get_Elements_Declaration_List (Vtype);
for I in M.Typ.Rec.E'Range loop
El := Get_Nth_Element (El_List, Natural (I - 1));
if I /= 1 then
Put (", ");
end if;
Put (Image (Get_Identifier (El)));
Put (": ");
Disp_Memtyp ((M.Typ.Rec.E (I).Typ,
M.Mem + M.Typ.Rec.E (I).Offs.Mem_Off),
Get_Type (El));
end loop;
Put (")");
end Disp_Value_Record;
procedure Disp_Memtyp (M : Memtyp; Vtype : Node) is
begin
if M.Mem = null then
Put ("*NULL*");
return;
end if;
case M.Typ.Kind is
when Type_Discrete
| Type_Bit
| Type_Logic =>
Disp_Discrete_Value (Read_Discrete (M), Get_Base_Type (Vtype));
when Type_Vector =>
Disp_Value_Vector (M, Vtype, M.Typ.Abound);
when Type_Array =>
Disp_Value_Array (M, Vtype);
when Type_Float =>
Put ("*float*");
when Type_Slice =>
Put ("*slice*");
when Type_File =>
Put ("*file*");
when Type_Record =>
Disp_Value_Record (M, Vtype);
when Type_Access =>
Put ("*access*");
when Type_Protected =>
Put ("*protected*");
when Type_Unbounded_Array
| Type_Unbounded_Record
| Type_Unbounded_Vector =>
Put ("*unbounded*");
end case;
end Disp_Memtyp;
procedure Disp_Value (Vt : Valtyp; Vtype : Node) is
begin
if Vt.Val = null then
Put ("*NULL*");
return;
end if;
case Vt.Val.Kind is
when Value_Net =>
Put ("net");
when Value_Wire =>
Put ("wire");
when Value_Signal =>
Put ("signal");
Put (' ');
Put_Uns32 (Uns32 (Vt.Val.S));
when Value_File =>
Put ("file");
when Value_Quantity =>
Put ("quantity");
when Value_Const =>
Put ("const: ");
Disp_Memtyp (Get_Memtyp (Vt), Vtype);
when Value_Alias =>
Put ("alias");
Disp_Memtyp (Get_Memtyp (Vt), Vtype);
when Value_Dyn_Alias =>
Put ("dyn alias");
when Value_Memory =>
Disp_Memtyp (Get_Memtyp (Vt), Vtype);
end case;
end Disp_Value;
procedure Disp_Bound_Type (Bound : Bound_Type) is
begin
Put_Int32 (Bound.Left);
Put (' ');
Put_Dir (Bound.Dir);
Put (' ');
Put_Int32 (Bound.Right);
end Disp_Bound_Type;
procedure Disp_Discrete_Range (Rng : Discrete_Range_Type; Vtype : Node) is
begin
Disp_Discrete_Value (Rng.Left, Vtype);
Put (' ');
Put_Dir (Rng.Dir);
Put (' ');
Disp_Discrete_Value (Rng.Right, Vtype);
end Disp_Discrete_Range;
procedure Disp_Type (Typ : Type_Acc; Vtype : Node)
is
pragma Unreferenced (Vtype);
begin
case Typ.Kind is
when Type_Bit =>
Put ("bit");
when Type_Logic =>
Put ("logic");
when Type_Discrete =>
Put ("discrete");
when Type_Float =>
Put ("float");
when Type_Vector =>
Put ("vector (");
Disp_Bound_Type (Typ.Abound);
Put (')');
when Type_Unbounded_Vector =>
Put ("unbounded_vector");
when Type_Array =>
Put ("array");
when Type_Unbounded_Array =>
Put ("unbounded_array");
when Type_Unbounded_Record =>
Put ("unbounded_record");
when Type_Record =>
Put ("record");
when Type_Slice =>
Put ("slice");
when Type_Access =>
Put ("access");
when Type_File =>
Put ("file");
when Type_Protected =>
Put ("protected");
end case;
end Disp_Type;
procedure Disp_Declaration_Object
(Instance : Synth_Instance_Acc; Decl : Iir; Indent : Natural) is
begin
case Get_Kind (Decl) is
when Iir_Kind_Constant_Declaration
| Iir_Kind_Variable_Declaration
| Iir_Kind_Interface_Variable_Declaration
| Iir_Kind_Interface_Constant_Declaration
| Iir_Kind_Interface_File_Declaration
| Iir_Kind_Object_Alias_Declaration
| Iir_Kind_Interface_Signal_Declaration
| Iir_Kind_Signal_Declaration
| Iir_Kind_File_Declaration =>
declare
Val : constant Valtyp := Get_Value (Instance, Decl);
Dtype : constant Node := Get_Type (Decl);
begin
Put_Indent (Indent);
Put (Vhdl.Errors.Disp_Node (Decl));
Put (": ");
Disp_Type (Val.Typ, Dtype);
Put (" = ");
Disp_Value (Val, Dtype);
New_Line;
end;
when Iir_Kinds_Signal_Attribute
| Iir_Kind_Attribute_Declaration
| Iir_Kind_Attribute_Specification =>
-- FIXME: todo ?
null;
when Iir_Kind_Type_Declaration
| Iir_Kind_Anonymous_Type_Declaration
| Iir_Kind_Subtype_Declaration =>
-- FIXME: disp ranges
null;
when Iir_Kind_Function_Declaration
| Iir_Kind_Function_Body
| Iir_Kind_Procedure_Declaration
| Iir_Kind_Procedure_Body
| Iir_Kind_Component_Declaration =>
null;
when Iir_Kind_Suspend_State_Declaration =>
declare
Val : constant Valtyp := Get_Value (Instance, Decl);
begin
Put_Indent (Indent);
Put ("STATE: ");
Put_Int32 (Int32 (Read_I32 (Val.Val.Mem)));
New_Line;
end;
when others =>
Vhdl.Errors.Error_Kind ("disp_declaration_object", Decl);
end case;
end Disp_Declaration_Object;
procedure Disp_Declaration_Objects
(Instance : Synth_Instance_Acc; Decl_Chain : Iir; Indent : Natural := 0)
is
El : Iir;
begin
El := Decl_Chain;
while El /= Null_Iir loop
Disp_Declaration_Object (Instance, El, Indent);
El := Get_Chain (El);
end loop;
end Disp_Declaration_Objects;
package Hierarchy_Pkg is
type Config_Type is record
With_Objs : Boolean;
Recurse : Boolean;
Indent : Natural;
end record;
procedure Disp_Hierarchy (Inst : Synth_Instance_Acc; Cfg : Config_Type);
procedure Disp_Hierarchy_Statements
(Inst : Synth_Instance_Acc; Stmts : Node; Cfg : Config_Type);
end Hierarchy_Pkg;
package body Hierarchy_Pkg is
function Inc_Indent (Cfg : Config_Type) return Config_Type
is
Res : Config_Type;
begin
Res := Cfg;
Res.Indent := Res.Indent + 1;
return Res;
end Inc_Indent;
procedure Disp_Hierarchy_Statement
(Inst : Synth_Instance_Acc; Stmt : Node; Cfg : Config_Type) is
begin
case Get_Kind (Stmt) is
when Iir_Kind_Component_Instantiation_Statement =>
declare
Sub : constant Synth_Instance_Acc :=
Get_Sub_Instance (Inst, Stmt);
Sub_Node : constant Node := Get_Source_Scope (Sub);
Comp_Inst : Synth_Instance_Acc;
begin
Put_Indent (Cfg.Indent);
Put (Image (Get_Label (Stmt)));
case Get_Kind (Sub_Node) is
when Iir_Kind_Component_Declaration =>
Put (": component ");
Put (Image (Get_Identifier (Sub_Node)));
Comp_Inst := Get_Component_Instance (Sub);
if Comp_Inst = null then
Put_Line (" [not bound]");
else
New_Line;
end if;
if Cfg.With_Objs then
Disp_Declaration_Objects
(Sub, Get_Generic_Chain (Sub_Node),
Cfg.Indent);
Disp_Declaration_Objects
(Sub, Get_Port_Chain (Sub_Node),
Cfg.Indent);
end if;
if Cfg.Recurse and then Comp_Inst /= null then
Disp_Hierarchy (Comp_Inst, Inc_Indent (Cfg));
end if;
when Iir_Kind_Architecture_Body =>
Put (": entity ");
Put (Image (Get_Identifier
(Get_Entity (Sub_Node))));
Put ('(');
Put (Image (Get_Identifier (Sub_Node)));
Put (')');
New_Line;
if Cfg.Recurse then
Disp_Hierarchy (Sub, Inc_Indent (Cfg));
end if;
when others =>
raise Internal_Error;
end case;
end;
when Iir_Kind_If_Generate_Statement =>
declare
Sub : constant Synth_Instance_Acc :=
Get_Sub_Instance (Inst, Stmt);
begin
if Sub = null then
return;
end if;
Put_Indent (Cfg.Indent);
Put (Image (Get_Label (Stmt)));
Put (": if-generate");
if Sub = null then
Put_Line (" [false]");
else
Put_Line (" [true]");
if Cfg.Recurse then
Disp_Hierarchy (Sub, Inc_Indent (Cfg));
end if;
end if;
end;
when Iir_Kind_For_Generate_Statement =>
declare
It : constant Node := Get_Parameter_Specification (Stmt);
It_Type : constant Node := Get_Type (It);
It_Rng : Type_Acc;
It_Len : Natural;
Gen_Inst : Synth_Instance_Acc;
begin
Put_Indent (Cfg.Indent);
Put (Image (Get_Label (Stmt)));
Put (": for-generate");
Put (" (");
It_Rng := Get_Subtype_Object (Inst, It_Type);
Disp_Discrete_Range (It_Rng.Drange, It_Type);
Put_Line (")");
if Cfg.Recurse then
It_Len := Natural (Get_Range_Length (It_Rng.Drange));
Gen_Inst := Get_Sub_Instance (Inst, Stmt);
for I in 1 .. It_Len loop
Disp_Hierarchy
(Get_Generate_Sub_Instance (Gen_Inst, I),
Inc_Indent (Cfg));
end loop;
end if;
end;
when Iir_Kind_Block_Statement =>
declare
Sub : constant Synth_Instance_Acc :=
Get_Sub_Instance (Inst, Stmt);
begin
Put_Indent (Cfg.Indent);
Put (Image (Get_Label (Stmt)));
Put_Line (": block");
if Cfg.Recurse then
Disp_Hierarchy_Statements
(Sub, Get_Concurrent_Statement_Chain (Stmt),
Inc_Indent (Cfg));
end if;
end;
when Iir_Kinds_Concurrent_Signal_Assignment
| Iir_Kind_Concurrent_Assertion_Statement
| Iir_Kind_Concurrent_Procedure_Call_Statement =>
null;
when Iir_Kinds_Process_Statement =>
-- Note: processes are not elaborated.
if Cfg.With_Objs then
Put_Indent (Cfg.Indent);
Put (Image (Get_Label (Stmt)));
Put_Line (": process");
end if;
when others =>
Vhdl.Errors.Error_Kind ("disp_hierarchy_statement", Stmt);
end case;
end Disp_Hierarchy_Statement;
procedure Disp_Hierarchy_Statements
(Inst : Synth_Instance_Acc; Stmts : Node; Cfg : Config_Type)
is
Stmt : Node;
begin
Stmt := Stmts;
while Stmt /= Null_Node loop
Disp_Hierarchy_Statement (Inst, Stmt, Cfg);
Stmt := Get_Chain (Stmt);
end loop;
end Disp_Hierarchy_Statements;
procedure Disp_Hierarchy
(Inst : Synth_Instance_Acc; Cfg : Config_Type)
is
N : constant Node := Get_Source_Scope (Inst);
begin
case Get_Kind (N) is
when Iir_Kind_Architecture_Body =>
declare
Ent : constant Node := Get_Entity (N);
begin
Put_Indent (Cfg.Indent);
Put ("architecture ");
Put (Image (Get_Identifier (N)));
Put (" of ");
Put (Image (Get_Identifier (Ent)));
New_Line;
if Cfg.With_Objs then
Put_Indent (Cfg.Indent);
Put_Line ("[entity]");
Disp_Declaration_Objects
(Inst, Get_Generic_Chain (Ent), Cfg.Indent);
Disp_Declaration_Objects
(Inst, Get_Port_Chain (Ent), Cfg.Indent);
Put_Indent (Cfg.Indent);
Put_Line ("[architecture]");
Disp_Declaration_Objects
(Inst, Get_Declaration_Chain (Ent), Cfg.Indent);
Disp_Declaration_Objects
(Inst, Get_Declaration_Chain (N), Cfg.Indent);
end if;
Disp_Hierarchy_Statements
(Inst, Get_Concurrent_Statement_Chain (N),
Inc_Indent (Cfg));
end;
when Iir_Kind_Component_Declaration =>
Put_Indent (Cfg.Indent);
Put ("component ");
Put (Image (Get_Identifier (N)));
New_Line;
Disp_Hierarchy
(Get_Component_Instance (Inst), Inc_Indent (Cfg));
when Iir_Kind_Generate_Statement_Body =>
Put_Indent (Cfg.Indent);
Put ("generate statement body");
-- TODO: disp label or index ?
New_Line;
Disp_Hierarchy_Statements
(Inst, Get_Concurrent_Statement_Chain (N), Cfg);
when Iir_Kind_Block_Statement =>
Put_Indent (Cfg.Indent);
Put ("block statement ");
Put (Image (Get_Identifier (N)));
New_Line;
Disp_Hierarchy_Statements
(Inst, Get_Concurrent_Statement_Chain (N), Cfg);
when others =>
Vhdl.Errors.Error_Kind ("disp_hierarchy", N);
end case;
end Disp_Hierarchy;
end Hierarchy_Pkg;
procedure Disp_Hierarchy (Inst : Synth_Instance_Acc;
Recurse : Boolean;
With_Objs : Boolean)
is
use Hierarchy_Pkg;
Cfg : Config_Type;
begin
Cfg := (With_Objs => With_Objs,
Recurse => Recurse,
Indent => 0);
Hierarchy_Pkg.Disp_Hierarchy (Inst, Cfg);
end Disp_Hierarchy;
function Walk_Files (Cb : Walk_Cb) return Walk_Status
is
Lib : Iir_Library_Declaration := Libraries.Get_Libraries_Chain;
File : Iir_Design_File;
begin
while Lib /= Null_Iir loop
File := Get_Design_File_Chain (Lib);
while File /= Null_Iir loop
case Cb.all (File) is
when Walk_Continue =>
null;
when Walk_Up =>
exit;
when Walk_Abort =>
return Walk_Abort;
end case;
File := Get_Chain (File);
end loop;
Lib := Get_Chain (Lib);
end loop;
return Walk_Continue;
end Walk_Files;
Walk_Units_Cb : Walk_Cb;
function Cb_Walk_Units (Design_File : Iir) return Walk_Status
is
Unit : Iir_Design_Unit;
begin
Unit := Get_First_Design_Unit (Design_File);
while Unit /= Null_Iir loop
case Walk_Units_Cb.all (Get_Library_Unit (Unit)) is
when Walk_Continue =>
null;
when Walk_Abort =>
return Walk_Abort;
when Walk_Up =>
exit;
end case;
Unit := Get_Chain (Unit);
end loop;
return Walk_Continue;
end Cb_Walk_Units;
function Walk_Units (Cb : Walk_Cb) return Walk_Status is
begin
Walk_Units_Cb := Cb;
return Walk_Files (Cb_Walk_Units'Access);
end Walk_Units;
Walk_Declarations_Cb : Walk_Cb;
function Cb_Walk_Declarations (Unit : Iir) return Walk_Status
is
function Walk_Decl_Chain (Chain : Iir) return Walk_Status
is
Decl : Iir;
begin
Decl := Chain;
while Decl /= Null_Iir loop
case Walk_Declarations_Cb.all (Decl) is
when Walk_Abort =>
return Walk_Abort;
when Walk_Up =>
return Walk_Continue;
when Walk_Continue =>
null;
end case;
Decl := Get_Chain (Decl);
end loop;
return Walk_Continue;
end Walk_Decl_Chain;
function Walk_Conc_Chain (Chain : Iir) return Walk_Status;
function Walk_Generate_Statement_Body (Bod : Iir) return Walk_Status is
begin
if Walk_Decl_Chain (Get_Declaration_Chain (Bod)) = Walk_Abort then
return Walk_Abort;
end if;
if Walk_Conc_Chain (Get_Concurrent_Statement_Chain (Bod)) = Walk_Abort
then
return Walk_Abort;
end if;
return Walk_Continue;
end Walk_Generate_Statement_Body;
function Walk_Conc_Chain (Chain : Iir) return Walk_Status
is
Stmt : Iir := Chain;
begin
while Stmt /= Null_Iir loop
case Get_Kind (Stmt) is
when Iir_Kinds_Process_Statement =>
if Walk_Decl_Chain (Get_Declaration_Chain (Stmt))
= Walk_Abort
then
return Walk_Abort;
end if;
when Iir_Kind_For_Generate_Statement =>
if Walk_Declarations_Cb.all
(Get_Parameter_Specification (Stmt)) = Walk_Abort
or else Walk_Generate_Statement_Body
(Get_Generate_Statement_Body (Stmt)) = Walk_Abort
then
return Walk_Abort;
end if;
when Iir_Kind_If_Generate_Statement =>
declare
Stmt1 : Iir;
begin
Stmt1 := Stmt;
while Stmt1 /= Null_Iir loop
if Walk_Generate_Statement_Body
(Get_Generate_Statement_Body (Stmt)) = Walk_Abort
then
return Walk_Abort;
end if;
Stmt1 := Get_Generate_Else_Clause (Stmt1);
end loop;
end;
when Iir_Kind_Component_Instantiation_Statement
| Iir_Kind_Concurrent_Simple_Signal_Assignment =>
null;
when Iir_Kind_Block_Statement =>
-- FIXME: header
if (Walk_Decl_Chain
(Get_Declaration_Chain (Stmt)) = Walk_Abort)
or else
(Walk_Conc_Chain
(Get_Concurrent_Statement_Chain (Stmt)) = Walk_Abort)
then
return Walk_Abort;
end if;
when others =>
Vhdl.Errors.Error_Kind ("walk_conc_chain", Stmt);
end case;
Stmt := Get_Chain (Stmt);
end loop;
return Walk_Continue;
end Walk_Conc_Chain;
begin
case Get_Kind (Unit) is
when Iir_Kind_Entity_Declaration =>
if Walk_Decl_Chain (Get_Generic_Chain (Unit)) = Walk_Abort
or else Walk_Decl_Chain (Get_Port_Chain (Unit)) = Walk_Abort
or else (Walk_Decl_Chain
(Get_Declaration_Chain (Unit)) = Walk_Abort)
or else (Walk_Conc_Chain
(Get_Concurrent_Statement_Chain (Unit)) = Walk_Abort)
then
return Walk_Abort;
end if;
when Iir_Kind_Architecture_Body =>
if (Walk_Decl_Chain
(Get_Declaration_Chain (Unit)) = Walk_Abort)
or else (Walk_Conc_Chain
(Get_Concurrent_Statement_Chain (Unit)) = Walk_Abort)
then
return Walk_Abort;
end if;
when Iir_Kind_Package_Declaration
| Iir_Kind_Package_Body =>
if Walk_Decl_Chain (Get_Declaration_Chain (Unit)) = Walk_Abort
then
return Walk_Abort;
end if;
when Iir_Kind_Configuration_Declaration =>
if Walk_Decl_Chain (Get_Declaration_Chain (Unit)) = Walk_Abort
then
return Walk_Abort;
end if;
-- FIXME: block configuration ?
when Iir_Kind_Context_Declaration =>
null;
when others =>
Vhdl.Errors.Error_Kind ("Cb_Walk_Declarations", Unit);
end case;
return Walk_Continue;
end Cb_Walk_Declarations;
function Walk_Declarations (Cb : Walk_Cb) return Walk_Status is
begin
Walk_Declarations_Cb := Cb;
return Walk_Units (Cb_Walk_Declarations'Access);
end Walk_Declarations;
function Find_Concurrent_Statement_By_Name (Stmts : Node; Id : Name_Id)
return Node
is
Stmt : Node;
begin
Stmt := Stmts;
while Stmt /= Null_Node loop
if Get_Label (Stmt) = Id then
return Stmt;
end if;
Stmt := Get_Chain (Stmt);
end loop;
return Null_Node;
end Find_Concurrent_Statement_By_Name;
function Get_Sub_Instance_By_Name (Inst : Synth_Instance_Acc; Name : String)
return Synth_Instance_Acc
is
Scope : constant Node := Get_Source_Scope (Inst);
Has_Index : Boolean;
End_Id : Natural;
Index32 : Uns32;
Index : Int64;
Valid : Boolean;
Stmt : Node;
Id : Name_Id;
begin
End_Id := Name'Last;
Has_Index := Name (End_Id) = ')';
Index := 0;
if Has_Index then
-- There is a loop-generate index.
-- Search for '('.
for I in Name'Range loop
if Name (I) = '(' then
End_Id := I - 1;
exit;
end if;
end loop;
if End_Id = Name'Last or End_Id = Name'First then
return null;
end if;
-- Decode index (assume int).
Elab.Debugger.To_Num
(Name (End_Id + 2 .. Name'Last - 1), Index32, Valid);
Index := Int64 (Index32);
if not Valid then
return null;
end if;
end if;
Id := Get_Identifier_No_Create (Name (Name'First .. End_Id));
if Id = Null_Identifier then
-- All the identifiers are known, so this name cannot exist.
return null;
end if;
case Get_Kind (Scope) is
when Iir_Kind_Architecture_Body
| Iir_Kind_Generate_Statement_Body
| Iir_Kind_Block_Statement =>
Stmt := Find_Concurrent_Statement_By_Name
(Get_Concurrent_Statement_Chain (Scope), Id);
when others =>
Vhdl.Errors.Error_Kind ("get_sub_instance(1)", Scope);
end case;
if Stmt = Null_Node then
return null;
end if;
case Get_Kind (Stmt) is
when Iir_Kind_Component_Instantiation_Statement =>
if Has_Index then
return null;
end if;
declare
Sub_Inst : constant Synth_Instance_Acc :=
Get_Sub_Instance (Inst, Stmt);
Sub_Node : constant Node := Get_Source_Scope (Sub_Inst);
begin
case Get_Kind (Sub_Node) is
when Iir_Kind_Component_Declaration =>
return Get_Component_Instance (Sub_Inst);
when Iir_Kind_Architecture_Body =>
return Sub_Inst;
when others =>
raise Internal_Error;
end case;
end;
when Iir_Kind_If_Generate_Statement
| Iir_Kind_Block_Statement =>
if Has_Index then
return null;
end if;
return Get_Sub_Instance (Inst, Stmt);
when Iir_Kind_For_Generate_Statement =>
if not Has_Index then
return null;
end if;
declare
Iterator : constant Node :=
Get_Parameter_Specification (Stmt);
It_Rng : constant Type_Acc :=
Get_Subtype_Object (Inst, Get_Type (Iterator));
Gen_Inst : constant Synth_Instance_Acc :=
Get_Sub_Instance (Inst, Stmt);
Off : Int64;
begin
case It_Rng.Drange.Dir is
when Dir_To =>
if Index < It_Rng.Drange.Left
or else Index > It_Rng.Drange.Right
then
return null;
end if;
Off := Index - It_Rng.Drange.Left + 1;
when Dir_Downto =>
if Index > It_Rng.Drange.Left
or else Index < It_Rng.Drange.Right
then
return null;
end if;
Off := Index - It_Rng.Drange.Right + 1;
end case;
return Get_Generate_Sub_Instance (Gen_Inst, Positive (Off));
end;
when Iir_Kinds_Concurrent_Signal_Assignment
| Iir_Kind_Concurrent_Assertion_Statement
| Iir_Kind_Concurrent_Procedure_Call_Statement =>
return null;
when others =>
Vhdl.Errors.Error_Kind ("get_sub_instance(2)", Stmt);
end case;
end Get_Sub_Instance_By_Name;
function Find_Concurrent_Statement_By_Instance
(Inst : Synth_Instance_Acc;
Stmts : Node;
Sub_Inst : Synth_Instance_Acc) return Node
is
Stmt : Node;
begin
Stmt := Stmts;
while Stmt /= Null_Node loop
case Get_Kind (Stmt) is
when Iir_Kind_Component_Instantiation_Statement
| Iir_Kind_If_Generate_Statement
| Iir_Kind_For_Generate_Statement
| Iir_Kind_Block_Statement =>
declare
Sub : constant Synth_Instance_Acc :=
Get_Sub_Instance (Inst, Stmt);
begin
if Sub = Sub_Inst then
return Stmt;
end if;
end;
when others =>
null;
end case;
Stmt := Get_Chain (Stmt);
end loop;
raise Internal_Error;
end Find_Concurrent_Statement_By_Instance;
function Skip_Instance_Parent (Inst : Synth_Instance_Acc;
Components : Boolean)
return Synth_Instance_Acc
is
Parent : constant Synth_Instance_Acc := Get_Instance_Parent (Inst);
Parent_Scope : constant Node := Get_Source_Scope (Parent);
begin
if Parent_Scope = Null_Node then
-- The root.
return null;
end if;
case Get_Kind (Parent_Scope) is
when Iir_Kind_Architecture_Body
| Iir_Kind_Block_Statement =>
return Inst;
when Iir_Kind_Component_Declaration =>
if Components then
return Inst;
else
return Parent;
end if;
when Iir_Kind_For_Generate_Statement =>
-- Skip the instance used as array.
return Parent;
when Iir_Kind_Generate_Statement_Body =>
-- For an if-generate, the parent is really the parent.
return Inst;
when others =>
Vhdl.Errors.Error_Kind ("skip_instance_parent", Parent_Scope);
end case;
end Skip_Instance_Parent;
function Get_Instance_Path_Parent (Inst : Synth_Instance_Acc)
return Synth_Instance_Acc
is
Pre_Parent : constant Synth_Instance_Acc :=
Skip_Instance_Parent (Inst, False);
begin
if Pre_Parent = null then
-- The root.
return null;
end if;
return Get_Instance_Parent (Pre_Parent);
end Get_Instance_Path_Parent;
procedure Disp_Instance_Path (Inst : Synth_Instance_Acc;
Components : Boolean := False)
is
Pre_Parent_Inst : constant Synth_Instance_Acc :=
Skip_Instance_Parent (Inst, Components);
Parent_Inst : Synth_Instance_Acc;
Parent_Scope : Node;
Scope : Node;
Stmt : Node;
begin
if Pre_Parent_Inst = null then
-- The top unit
Put ('/');
Parent_Scope := Get_Source_Scope (Inst);
Put (Image (Get_Identifier (Get_Entity (Parent_Scope))));
return;
end if;
Parent_Inst := Get_Instance_Parent (Pre_Parent_Inst);
Parent_Scope := Get_Source_Scope (Parent_Inst);
Disp_Instance_Path (Parent_Inst, Components);
Put ('/');
Scope := Get_Source_Scope (Inst);
if Get_Kind (Scope) in Iir_Kinds_Process_Statement then
-- The name to display is the name of the process.
Stmt := Scope;
elsif Get_Kind (Parent_Scope) = Iir_Kind_Component_Declaration then
-- Display the name of then entity.
Stmt := Get_Entity (Scope);
else
-- The scope is an architecture or a generate.
-- Find the corresponding statements in the parent to get the label.
Stmt := Find_Concurrent_Statement_By_Instance
(Parent_Inst, Get_Concurrent_Statement_Chain (Parent_Scope),
Pre_Parent_Inst);
end if;
Put (Image (Get_Identifier (Stmt)));
if Get_Kind (Stmt) = Iir_Kind_For_Generate_Statement then
declare
It : constant Node := Get_Parameter_Specification (Stmt);
It_Type : constant Node := Get_Type (It);
Val : constant Valtyp := Get_Value (Inst, It);
begin
Put ("(");
Disp_Discrete_Value (Read_Discrete (Val), It_Type);
Put (")");
end;
end if;
end Disp_Instance_Path;
type Handle_Scope_Type is access procedure (N : Iir);
procedure Foreach_Scopes (N : Iir; Handler : Handle_Scope_Type) is
begin
case Get_Kind (N) is
when Iir_Kind_Process_Statement
| Iir_Kind_Sensitized_Process_Statement =>
Foreach_Scopes (Get_Parent (N), Handler);
Handler.all (N);
when Iir_Kind_Architecture_Body =>
Foreach_Scopes (Get_Entity (N), Handler);
Handler.all (N);
when Iir_Kind_Entity_Declaration =>
-- Top of scopes.
Handler.all (N);
when Iir_Kind_Function_Body
| Iir_Kind_Procedure_Body =>
Foreach_Scopes (Get_Parent (N), Handler);
Handler.all (N);
when Iir_Kind_Package_Body =>
Handler.all (N);
when Iir_Kind_Variable_Assignment_Statement
| Iir_Kind_Simple_Signal_Assignment_Statement
| Iir_Kind_Null_Statement
| Iir_Kind_Assertion_Statement
| Iir_Kind_Report_Statement
| Iir_Kind_Wait_Statement
| Iir_Kind_Return_Statement
| Iir_Kind_Next_Statement
| Iir_Kind_Exit_Statement
| Iir_Kind_Procedure_Call_Statement
| Iir_Kind_If_Statement
| Iir_Kind_While_Loop_Statement
| Iir_Kind_Case_Statement =>
Foreach_Scopes (Get_Parent (N), Handler);
when Iir_Kind_For_Loop_Statement
| Iir_Kind_Block_Statement
| Iir_Kind_If_Generate_Statement
| Iir_Kind_For_Generate_Statement
| Iir_Kind_Generate_Statement_Body =>
Foreach_Scopes (Get_Parent (N), Handler);
Handler.all (N);
when others =>
Vhdl.Errors.Error_Kind ("foreach_scopes", N);
end case;
end Foreach_Scopes;
procedure Add_Decls_For (N : Iir)
is
use Vhdl.Sem_Scopes;
begin
case Get_Kind (N) is
when Iir_Kind_Entity_Declaration =>
declare
Unit : constant Iir := Get_Design_Unit (N);
begin
Add_Context_Clauses (Unit);
-- Add_Name (Unit, Get_Identifier (N), False);
Add_Entity_Declarations (N);
end;
when Iir_Kind_Architecture_Body =>
Open_Declarative_Region;
Add_Context_Clauses (Get_Design_Unit (N));
Add_Declarations (Get_Declaration_Chain (N), False);
Add_Declarations_Of_Concurrent_Statement (N);
when Iir_Kind_Package_Body =>
declare
Package_Decl : constant Iir := Get_Package (N);
Package_Unit : constant Iir := Get_Design_Unit (Package_Decl);
begin
Add_Name (Package_Unit);
Add_Context_Clauses (Package_Unit);
Open_Declarative_Region;
Add_Declarations (Get_Declaration_Chain (Package_Decl), False);
Add_Declarations (Get_Declaration_Chain (N), False);
end;
when Iir_Kind_Procedure_Body
| Iir_Kind_Function_Body =>
declare
Spec : constant Iir := Get_Subprogram_Specification (N);
begin
Open_Declarative_Region;
Add_Declarations
(Get_Interface_Declaration_Chain (Spec), False);
Add_Declarations
(Get_Declaration_Chain (N), False);
end;
when Iir_Kind_Process_Statement
| Iir_Kind_Sensitized_Process_Statement =>
Open_Declarative_Region;
Add_Declarations (Get_Declaration_Chain (N), False);
when Iir_Kind_For_Loop_Statement
| Iir_Kind_For_Generate_Statement =>
Open_Declarative_Region;
Add_Name (Get_Parameter_Specification (N));
when Iir_Kind_Block_Statement =>
declare
Header : constant Iir := Get_Block_Header (N);
begin
Open_Declarative_Region;
if Header /= Null_Iir then
Add_Declarations (Get_Generic_Chain (Header), False);
Add_Declarations (Get_Port_Chain (Header), False);
end if;
Add_Declarations (Get_Declaration_Chain (N), False);
Add_Declarations_Of_Concurrent_Statement (N);
end;
when Iir_Kind_Generate_Statement_Body =>
Open_Declarative_Region;
Add_Declarations (Get_Declaration_Chain (N), False);
Add_Declarations_Of_Concurrent_Statement (N);
when others =>
Vhdl.Errors.Error_Kind ("enter_scope(2)", N);
end case;
end Add_Decls_For;
procedure Enter_Scope (Node : Iir)
is
use Vhdl.Sem_Scopes;
begin
Push_Interpretations;
Open_Declarative_Region;
-- Add STD
Add_Name (Libraries.Std_Library, Std_Names.Name_Std, False);
Use_All_Names (Vhdl.Std_Package.Standard_Package);
Foreach_Scopes (Node, Add_Decls_For'Access);
end Enter_Scope;
procedure Del_Decls_For (N : Iir)
is
use Vhdl.Sem_Scopes;
begin
case Get_Kind (N) is
when Iir_Kind_Entity_Declaration =>
null;
when Iir_Kind_Architecture_Body =>
Close_Declarative_Region;
when Iir_Kind_Process_Statement
| Iir_Kind_Sensitized_Process_Statement
| Iir_Kind_Package_Body
| Iir_Kind_Procedure_Body
| Iir_Kind_Function_Body
| Iir_Kind_For_Loop_Statement
| Iir_Kind_Block_Statement
| Iir_Kind_If_Generate_Statement
| Iir_Kind_For_Generate_Statement
| Iir_Kind_Generate_Statement_Body =>
Close_Declarative_Region;
when others =>
Vhdl.Errors.Error_Kind ("Decl_Decls_For", N);
end case;
end Del_Decls_For;
procedure Leave_Scope (Node : Iir)
is
use Vhdl.Sem_Scopes;
begin
Foreach_Scopes (Node, Del_Decls_For'Access);
Close_Declarative_Region;
Pop_Interpretations;
end Leave_Scope;
Buffer_Index : Natural := 1;
procedure Print_Proc (Line : String)
is
use Vhdl.Tokens;
use Areapools;
use Errorout;
Cur_Inst : constant Synth_Instance_Acc := Debug_Current_Instance;
Prev_Nbr_Errors : constant Natural := Nbr_Errors;
Index_Str : String := Natural'Image (Buffer_Index);
File : Source_File_Entry;
Expr : Iir;
Res : Valtyp;
P : Natural;
Opt_Value : Boolean := False;
Opt_Name : Boolean := False;
Marker : Mark_Type;
Cur_Scope : Node;
begin
-- Decode options: /v
P := Line'First;
loop
P := Skip_Blanks (Line (P .. Line'Last));
if P + 2 < Line'Last and then Line (P .. P + 1) = "/v" then
Opt_Value := True;
P := P + 2;
elsif P + 2 < Line'Last and then Line (P .. P + 1) = "/n" then
Opt_Name := True;
P := P + 2;
else
exit;
end if;
end loop;
pragma Unreferenced (Opt_Value);
Buffer_Index := Buffer_Index + 1;
Index_Str (Index_Str'First) := '*';
File := Files_Map.Create_Source_File_From_String
(Name_Table.Get_Identifier ("*debug" & Index_Str & '*'),
Line (P .. Line'Last));
Vhdl.Scanner.Set_File (File);
Vhdl.Scanner.Scan;
Expr := Vhdl.Parse.Parse_Expression;
if Vhdl.Scanner.Current_Token /= Tok_Eof then
Put_Line ("garbage at end of expression ignored");
end if;
Vhdl.Scanner.Close_File;
if Nbr_Errors /= Prev_Nbr_Errors then
Put_Line ("error while parsing expression, evaluation aborted");
Nbr_Errors := Prev_Nbr_Errors;
return;
end if;
Cur_Scope := Elab.Vhdl_Context.Get_Source_Scope (Cur_Inst);
Enter_Scope (Cur_Scope);
Expr := Vhdl.Sem_Expr.Sem_Expression_Universal (Expr);
Leave_Scope (Cur_Scope);
if Expr = Null_Iir
or else Nbr_Errors /= Prev_Nbr_Errors
then
Put_Line ("error while analyzing expression, evaluation aborted");
Nbr_Errors := Prev_Nbr_Errors;
return;
end if;
Vhdl.Prints.Disp_Expression (Expr);
New_Line;
Vhdl.Annotations.Annotate_Expand_Table;
Vhdl.Canon.Canon_Expression (Expr);
Mark (Marker, Expr_Pool);
if Opt_Name then
case Get_Kind (Expr) is
when Iir_Kind_Simple_Name =>
null;
when others =>
Put_Line ("expression is not a name");
Opt_Name := False;
end case;
end if;
if Opt_Name then
-- Res := Execute_Name (Dbg_Cur_Frame, Expr, True);
raise Internal_Error;
else
Res := Synth.Vhdl_Expr.Synth_Expression (Cur_Inst, Expr);
end if;
if Res.Val.Kind = Value_Memory then
Disp_Memtyp (Get_Memtyp (Res), Get_Type (Expr));
else
Elab.Vhdl_Values.Debug.Debug_Valtyp (Res);
end if;
New_Line;
-- Free value
Release (Marker, Expr_Pool);
end Print_Proc;
procedure Append_Commands is
begin
Append_Menu_Command
(Name => new String'("p*rint"),
Help => new String'("execute expression"),
Proc => Print_Proc'Access);
end Append_Commands;
end Elab.Vhdl_Debug;
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