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Diffstat (limited to 'src/simulate/annotations.adb')
| -rw-r--r-- | src/simulate/annotations.adb | 1236 |
1 files changed, 1236 insertions, 0 deletions
diff --git a/src/simulate/annotations.adb b/src/simulate/annotations.adb new file mode 100644 index 000000000..d07a99818 --- /dev/null +++ b/src/simulate/annotations.adb @@ -0,0 +1,1236 @@ +-- 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 GNAT.Table; +with Ada.Text_IO; +with Std_Package; +with Errorout; use Errorout; +with Iirs_Utils; use Iirs_Utils; + +package body Annotations is + -- Current scope level. + Current_Scope_Level: Scope_Level_Type := Scope_Level_Global; + + 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_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); + + -- Be sure the node contains no informations. + procedure Assert_No_Info (Node: in Iir) is + begin + if Get_Info (Node) /= null then + raise Internal_Error; + end if; + end Assert_No_Info; + + procedure Increment_Current_Scope_Level is + begin + if Current_Scope_Level < Scope_Level_Global then + -- For a subprogram in a package + Current_Scope_Level := Scope_Level_Global + 1; + else + Current_Scope_Level := Current_Scope_Level + 1; + end if; + end Increment_Current_Scope_Level; + + -- 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, + Scope_Level => Current_Scope_Level, + Slot => Block_Info.Nbr_Objects); + when Kind_File => + Info := new Sim_Info_Type'(Kind => Kind_File, + Scope_Level => Current_Scope_Level, + Slot => Block_Info.Nbr_Objects); + when Kind_Signal => + Info := new Sim_Info_Type'(Kind => Kind_Signal, + Scope_Level => Current_Scope_Level, + Slot => Block_Info.Nbr_Objects); + -- Reserve one more slot for default value. + Block_Info.Nbr_Objects := Block_Info.Nbr_Objects + 1; + when Kind_Terminal => + Info := new Sim_Info_Type'(Kind => Kind_Terminal, + Scope_Level => Current_Scope_Level, + Slot => Block_Info.Nbr_Objects); + when Kind_Quantity => + Info := new Sim_Info_Type'(Kind => Kind_Quantity, + Scope_Level => Current_Scope_Level, + Slot => Block_Info.Nbr_Objects); + when others => + raise Internal_Error; + end case; + Set_Info (Obj, Info); + end Create_Object_Info; + + -- Add an annotation to SIGNAL. + procedure Add_Signal_Info (Block_Info: Sim_Info_Acc; Signal: Iir) is + begin + Create_Object_Info (Block_Info, Signal, Kind_Signal); + end Add_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; + Assert_No_Info (Expr); +-- 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_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 + El : Iir; + Res : Natural; + List : Iir_List; + begin + Res := 2; + List := Get_Elements_Declaration_List (Get_Base_Type (Def)); + for I in Natural loop + El := Get_Nth_Element (List, I); + exit when El = Null_Iir; + 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 := "bEIF"; + begin + case Get_Kind (Def) is + when Iir_Kinds_Scalar_Type_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 + El : Iir; + List : Iir_List; + begin + Res (Off) := '<'; + Off := Off + 1; + List := Get_Elements_Declaration_List (Get_Base_Type (Def)); + for I in Natural loop + El := Get_Nth_Element (List, I); + exit when El = Null_Iir; + 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 + Prev_Scope_Level : constant Scope_Level_Type := Current_Scope_Level; + Decl : Iir; + 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; + + -- Then the interfaces object. Increment the scope to reserve a scope + -- for the protected object. + Increment_Current_Scope_Level; + + 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; + + Current_Scope_Level := Prev_Scope_Level; + end Annotate_Protected_Type_Declaration; + + procedure Annotate_Protected_Type_Body (Block_Info : Sim_Info_Acc; + Prot: Iir) + is + pragma Unreferenced (Block_Info); + Prot_Info: Sim_Info_Acc; + Prev_Scope_Level : constant Scope_Level_Type := Current_Scope_Level; + begin + Increment_Current_Scope_Level; + + Assert_No_Info (Prot); + + Prot_Info := + new Sim_Info_Type'(Kind => Kind_Frame, + Inst_Slot => 0, + Frame_Scope_Level => Current_Scope_Level, + Nbr_Objects => 0, + Nbr_Instances => 0); + Set_Info (Prot, Prot_Info); + + Annotate_Declaration_List + (Prot_Info, Get_Declaration_Chain (Prot)); + + Current_Scope_Level := Prev_Scope_Level; + 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 => + if Def = Std_Package.Boolean_Type_Definition + or else Def = Std_Package.Bit_Type_Definition + then + Set_Info (Def, + new Sim_Info_Type'(Kind => Kind_Scalar_Type, + Scalar_Mode => Iir_Value_B1)); + else + Set_Info (Def, + new Sim_Info_Type'(Kind => Kind_Scalar_Type, + Scalar_Mode => Iir_Value_E32)); + end if; + Annotate_Range_Expression (Block_Info, Get_Range_Constraint (Def)); + + 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, + Scalar_Mode => Iir_Value_I64)); + + when Iir_Kind_Floating_Type_Definition => + Set_Info (Def, + new Sim_Info_Type'(Kind => Kind_Scalar_Type, + Scalar_Mode => Iir_Value_F64)); + + when Iir_Kind_Physical_Type_Definition => + Set_Info (Def, + new Sim_Info_Type'(Kind => Kind_Scalar_Type, + 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_List := Get_Index_Subtype_List (Def); + begin + for I in Natural loop + El := Get_Index_Type (List, I); + exit when El = Null_Iir; + Annotate_Anonymous_Type_Definition (Block_Info, El); + end loop; + end; + + when Iir_Kind_Record_Type_Definition => + declare + List : constant Iir_List := Get_Elements_Declaration_List (Def); + begin + for I in Natural loop + El := Get_Nth_Element (List, I); + exit when El = Null_Iir; + 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_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, + 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_Signal_Interface_Declaration => + Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (El)); + when Iir_Kind_Variable_Interface_Declaration + | Iir_Kind_Constant_Interface_Declaration + | Iir_Kind_File_Interface_Declaration => + Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (El)); + when others => + Error_Kind ("annotate_interface_list", El); + end case; + El := Get_Chain (El); + end loop; + end Annotate_Interface_List_Subtype; + + procedure Annotate_Create_Interface_List + (Block_Info: Sim_Info_Acc; Decl_Chain: Iir; With_Types : Boolean) + is + Decl : Iir; + N : Object_Slot_Type; + begin + Decl := Decl_Chain; + while Decl /= Null_Iir loop + if With_Types then + Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl)); + end if; + Assert_No_Info (Decl); + case Get_Kind (Decl) is + when Iir_Kind_Signal_Interface_Declaration => + Add_Signal_Info (Block_Info, Decl); + when Iir_Kind_Variable_Interface_Declaration + | Iir_Kind_Constant_Interface_Declaration + | Iir_Kind_File_Interface_Declaration => + Create_Object_Info (Block_Info, Decl); + when others => + Error_Kind ("annotate_create_interface_list", Decl); + end case; + N := Block_Info.Nbr_Objects; + -- Annotation of the default value must not create objects. + -- FIXME: Is it true ??? + if Block_Info.Nbr_Objects /= N then + raise Internal_Error; + end if; + Decl := Get_Chain (Decl); + end loop; + end Annotate_Create_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) in Iir_Kinds_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); + Prev_Scope_Level : constant Scope_Level_Type := Current_Scope_Level; + begin + Increment_Current_Scope_Level; + + Assert_No_Info (Subprg); + + Subprg_Info := + new Sim_Info_Type'(Kind => Kind_Frame, + Inst_Slot => 0, + Frame_Scope_Level => Current_Scope_Level, + Nbr_Objects => 0, + Nbr_Instances => 0); + Set_Info (Subprg, Subprg_Info); + + Annotate_Create_Interface_List (Subprg_Info, Interfaces, False); + + Current_Scope_Level := Prev_Scope_Level; + 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); + Prev_Scope_Level : constant Scope_Level_Type := Current_Scope_Level; + begin + -- Do not annotate body of foreign subprograms. + if Get_Foreign_Flag (Spec) then + return; + end if; + + Current_Scope_Level := Subprg_Info.Frame_Scope_Level; + + Annotate_Declaration_List + (Subprg_Info, Get_Declaration_Chain (Subprg)); + + Annotate_Sequential_Statement_Chain + (Subprg_Info, Get_Sequential_Statement_Chain (Subprg)); + + Current_Scope_Level := Prev_Scope_Level; + end Annotate_Subprogram_Body; + + procedure Annotate_Component_Declaration + (Comp: Iir_Component_Declaration) + is + Info: Sim_Info_Acc; + Prev_Scope_Level : Scope_Level_Type; + begin + Prev_Scope_Level := Current_Scope_Level; + Current_Scope_Level := Scope_Level_Component; + + Assert_No_Info (Comp); + + Info := new Sim_Info_Type'(Kind => Kind_Frame, + Inst_Slot => Invalid_Instance_Slot, + Frame_Scope_Level => Current_Scope_Level, + Nbr_Objects => 0, + Nbr_Instances => 1); -- For the instance. + Set_Info (Comp, Info); + + Annotate_Create_Interface_List (Info, Get_Generic_Chain (Comp), True); + Annotate_Create_Interface_List (Info, Get_Port_Chain (Comp), True); + + Current_Scope_Level := Prev_Scope_Level; + end Annotate_Component_Declaration; + + procedure Annotate_Declaration (Block_Info: Sim_Info_Acc; Decl: Iir) is + begin + case Get_Kind (Decl) is + when Iir_Kind_Delayed_Attribute + | Iir_Kind_Stable_Attribute + | Iir_Kind_Quiet_Attribute + | Iir_Kind_Transaction_Attribute + | Iir_Kind_Signal_Declaration => + Assert_No_Info (Decl); + Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl)); + Add_Signal_Info (Block_Info, Decl); + + when Iir_Kind_Variable_Declaration + | Iir_Kind_Iterator_Declaration => + Assert_No_Info (Decl); + 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. + Assert_No_Info (Decl); + Annotate_Anonymous_Type_Definition + (Block_Info, Get_Type (Decl)); + Create_Object_Info (Block_Info, Decl); + else + Set_Info (Decl, Get_Info (Get_Deferred_Declaration (Decl))); + end if; + + when Iir_Kind_File_Declaration => + Assert_No_Info (Decl); + Annotate_Anonymous_Type_Definition (Block_Info, Get_Type (Decl)); + Create_Object_Info (Block_Info, Decl, Kind_File); + + when Iir_Kind_Terminal_Declaration => + Assert_No_Info (Decl); + Add_Terminal_Info (Block_Info, Decl); + when Iir_Kinds_Branch_Quantity_Declaration => + Assert_No_Info (Decl); + 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 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 + Create_Object_Info (Block_Info, Value); + Value := Get_Spec_Chain (Value); + end loop; + end; + when Iir_Kind_Disconnection_Specification => + null; + + when Iir_Kind_Implicit_Procedure_Declaration => + 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_Implicit_Function_Declaration => + null; + + when Iir_Kind_Nature_Declaration => + 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_Signal_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 + Assert_No_Info (Block); + + Increment_Current_Scope_Level; + + Info := new Sim_Info_Type'(Kind => Kind_Block, + Inst_Slot => Block_Info.Nbr_Instances, + Frame_Scope_Level => Current_Scope_Level, + 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 + Add_Signal_Info (Info, Guard); + end if; + Header := Get_Block_Header (Block); + if Header /= Null_Iir then + Annotate_Create_Interface_List + (Info, Get_Generic_Chain (Header), True); + Annotate_Create_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)); + + Current_Scope_Level := Current_Scope_Level - 1; + end Annotate_Block_Statement; + + procedure Annotate_Generate_Statement + (Block_Info : Sim_Info_Acc; Stmt : Iir) + is + Info : Sim_Info_Acc; + Scheme : constant Iir := Get_Generation_Scheme (Stmt); + Is_Iterative : constant Boolean := + Get_Kind (Scheme) = Iir_Kind_Iterator_Declaration; + begin + Assert_No_Info (Stmt); + + Increment_Current_Scope_Level; + + Info := new Sim_Info_Type'(Kind => Kind_Block, + Inst_Slot => Block_Info.Nbr_Instances, + Frame_Scope_Level => Current_Scope_Level, + Nbr_Objects => 0, + Nbr_Instances => 0); + Set_Info (Stmt, Info); + + Block_Info.Nbr_Instances := Block_Info.Nbr_Instances + 1; + + if Is_Iterative then + Annotate_Declaration (Info, Scheme); + end if; + Annotate_Declaration_List (Info, Get_Declaration_Chain (Stmt)); + Annotate_Concurrent_Statements_List + (Info, Get_Concurrent_Statement_Chain (Stmt)); + + Current_Scope_Level := Current_Scope_Level - 1; + end Annotate_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. + Assert_No_Info (Stmt); + Info := new Sim_Info_Type'(Kind => Kind_Block, + Inst_Slot => Block_Info.Nbr_Instances, + Frame_Scope_Level => Current_Scope_Level + 1, + 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 + Increment_Current_Scope_Level; + + -- Add a slot just to put the instance. + Assert_No_Info (Stmt); + + Info := new Sim_Info_Type'(Kind => Kind_Process, + Inst_Slot => Invalid_Instance_Slot, + Frame_Scope_Level => Current_Scope_Level, + Nbr_Objects => 0, + Nbr_Instances => 0); + Set_Info (Stmt, Info); + + Annotate_Declaration_List + (Info, Get_Declaration_Chain (Stmt)); + Annotate_Sequential_Statement_Chain + (Info, Get_Sequential_Statement_Chain (Stmt)); + + Current_Scope_Level := Current_Scope_Level - 1; + 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_Generate_Statement => + Annotate_Generate_Statement (Block_Info, El); + + when Iir_Kind_Simple_Simultaneous_Statement => + 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 + Assert_No_Info (Decl); + + Current_Scope_Level := Scope_Level_Entity; + + Entity_Info := + new Sim_Info_Type'(Kind => Kind_Block, + Inst_Slot => Invalid_Instance_Slot, + Frame_Scope_Level => Current_Scope_Level, + Nbr_Objects => 0, + Nbr_Instances => 0); + Set_Info (Decl, Entity_Info); + + -- generic list. + Annotate_Create_Interface_List + (Entity_Info, Get_Generic_Chain (Decl), True); + + -- Port list. + Annotate_Create_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: Sim_Info_Acc; + Arch_Info: Sim_Info_Acc; + begin + Assert_No_Info (Decl); + + Current_Scope_Level := Scope_Level_Entity; + + Entity_Info := Get_Info (Get_Entity (Decl)); + + Arch_Info := new Sim_Info_Type' + (Kind => Kind_Block, + Inst_Slot => 0, -- Slot for a component + Frame_Scope_Level => Current_Scope_Level, + Nbr_Objects => Entity_Info.Nbr_Objects, + Nbr_Instances => Entity_Info.Nbr_Instances); -- Should be 0. + Set_Info (Decl, Arch_Info); + + -- FIXME: annotate the default configuration for the arch ? + + -- declarations + Annotate_Declaration_List (Arch_Info, Get_Declaration_Chain (Decl)); + + -- processes. + Annotate_Concurrent_Statements_List + (Arch_Info, Get_Concurrent_Statement_Chain (Decl)); + end Annotate_Architecture; + + procedure Annotate_Package (Decl: Iir_Package_Declaration) is + Package_Info: Sim_Info_Acc; + begin + Assert_No_Info (Decl); + + Nbr_Packages := Nbr_Packages + 1; + Current_Scope_Level := Scope_Level_Type (-Nbr_Packages); + + Package_Info := new Sim_Info_Type' + (Kind => Kind_Block, + Inst_Slot => Instance_Slot_Type (Nbr_Packages), + Frame_Scope_Level => Current_Scope_Level, + Nbr_Objects => 0, + Nbr_Instances => 0); + + Set_Info (Decl, Package_Info); + + -- declarations + Annotate_Declaration_List (Package_Info, Get_Declaration_Chain (Decl)); + + Current_Scope_Level := Scope_Level_Global; + end Annotate_Package; + + procedure Annotate_Package_Body (Decl: Iir) + is + Package_Info: Sim_Info_Acc; + begin + Assert_No_Info (Decl); + + -- Set info field of package body declaration. + Package_Info := Get_Info (Get_Package (Decl)); + Set_Info (Decl, Package_Info); + + Current_Scope_Level := Package_Info.Frame_Scope_Level; + + -- declarations + Annotate_Declaration_List (Package_Info, Get_Declaration_Chain (Decl)); + end Annotate_Package_Body; + + 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; + Assert_No_Info (Block); + + -- 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 + (Decl : Iir_Configuration_Declaration) + is + Config_Info: Sim_Info_Acc; + begin + Assert_No_Info (Decl); + + Config_Info := new Sim_Info_Type' + (Kind => Kind_Block, + Inst_Slot => Invalid_Instance_Slot, + Frame_Scope_Level => Scope_Level_Global, + Nbr_Objects => 0, + Nbr_Instances => 0); + + Current_Scope_Level := Scope_Level_Global; + + 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 GNAT.Table + (Table_Component_Type => Sim_Info_Acc, + Table_Index_Type => Iir, + Table_Low_Bound => 2, + Table_Initial => 1024, + Table_Increment => 100); + + 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 (Tree: Iir_Design_Unit) + is + El: Iir; + begin + -- Expand info table. + Annotate_Expand_Table; + + El := Get_Library_Unit (Tree); + if Trace_Annotation then + Ada.Text_IO.Put_Line ("annotating " & Disp_Node (El)); + end if; + 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 => + Annotate_Package (El); + declare + use Std_Package; + begin + if El = Standard_Package then + -- 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); + end if; + end; + when Iir_Kind_Package_Body => + Annotate_Package_Body (El); + when Iir_Kind_Configuration_Declaration => + Annotate_Configuration_Declaration (El); + 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; + Indent: Count; + Info: Sim_Info_Acc; + begin + Info := Get_Info (Node); + Indent := Col; + case Info.Kind is + when Kind_Block => + Put_Line + ("-- nbr objects:" & Object_Slot_Type'Image (Info.Nbr_Objects)); + + when Kind_Frame | Kind_Process => + Put_Line ("-- scope level:" & + Scope_Level_Type'Image (Info.Frame_Scope_Level)); + Set_Col (Indent); + Put_Line + ("-- nbr objects:" & Object_Slot_Type'Image (Info.Nbr_Objects)); + + when Kind_Object | Kind_Signal | Kind_File + | Kind_Terminal | Kind_Quantity => + Put_Line ("-- slot:" & Object_Slot_Type'Image (Info.Slot) + & ", scope:" + & Scope_Level_Type'Image (Info.Scope_Level)); + when Kind_Scalar_Type + | Kind_File_Type => + null; + when Kind_Range => + Put ("${"); + Put (Object_Slot_Type'Image (Info.Slot)); + Put ("}"); + 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_Process => + Put_Line ("scope level:" & + Scope_Level_Type'Image (Info.Frame_Scope_Level)); + Set_Col (Indent); + Put_Line ("inst_slot:" + & Instance_Slot_Type'Image (Info.Inst_Slot)); + Set_Col (Indent); + Put_Line ("nbr objects:" + & Object_Slot_Type'Image (Info.Nbr_Objects)); + Set_Col (Indent); + Put_Line ("nbr instance:" + & Instance_Slot_Type'Image (Info.Nbr_Instances)); + when Kind_Object | Kind_Signal | Kind_File + | Kind_Terminal | Kind_Quantity => + Put_Line ("slot:" & Object_Slot_Type'Image (Info.Slot) + & ", scope:" + & Scope_Level_Type'Image (Info.Scope_Level)); + when Kind_Range => + Put_Line ("range slot:" & Object_Slot_Type'Image (Info.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 + 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 Annotations; |