-- 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 . with Name_Table; use Name_Table; with Simple_IO; use Simple_IO; with Utils_IO; use Utils_IO; with Files_Map; with Libraries; with Std_Names; with Errorout; with Elab.Debugger; use Elab.Debugger; with Elab.Memtype; use Elab.Memtype; with Elab.Vhdl_Annotations; 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.Std_Package; with Vhdl.Prints; package body Elab.Vhdl_Debug is procedure Put_Stmt_Trace (Stmt : Iir) is Name : Name_Id; Line : Natural; Col : Natural; begin Files_Map.Location_To_Position (Get_Location (Stmt), Name, Line, Col); Simple_IO.Put_Line ("Execute statement at " & Name_Table.Image (Name) & Natural'Image (Line)); end Put_Stmt_Trace; 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_Fp64 (Read_Fp64 (M)); 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_Terminal => Put ("terminal"); 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 | Iir_Kind_Simple_Simultaneous_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); if Get_Kind (Parent_Scope) = Iir_Kind_Package_Declaration then Scope := Parent_Scope; else Scope := Get_Entity (Parent_Scope); end if; Put (Image (Get_Identifier (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 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; Elab.Vhdl_Annotations.Annotate_Expand_Table; Vhdl.Canon.Canon_Expression (Expr); Mark_Expr_Pool (Marker); 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_Expr_Pool (Marker); 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;