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Diffstat (limited to 'src/vhdl/vhdl-std_package.adb')
| -rw-r--r-- | src/vhdl/vhdl-std_package.adb | 1363 |
1 files changed, 1363 insertions, 0 deletions
diff --git a/src/vhdl/vhdl-std_package.adb b/src/vhdl/vhdl-std_package.adb new file mode 100644 index 000000000..78a614afd --- /dev/null +++ b/src/vhdl/vhdl-std_package.adb @@ -0,0 +1,1363 @@ +-- std.standard package declarations. +-- Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold +-- +-- GHDL is free software; you can redistribute it and/or modify it under +-- the terms of the GNU General Public License as published by the Free +-- Software Foundation; either version 2, or (at your option) any later +-- version. +-- +-- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY +-- WARRANTY; without even the implied warranty of MERCHANTABILITY or +-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +-- for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with GHDL; see the file COPYING. If not, write to the Free +-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA +-- 02111-1307, USA. + +with Files_Map; +with Name_Table; +with Str_Table; +with Std_Names; use Std_Names; +with Flags; use Flags; +with Iirs_Utils; +with Vhdl.Sem_Utils; +with Iir_Chains; + +package body Vhdl.Std_Package is + type Bound_Array is array (Boolean) of Iir_Int64; + Low_Bound : constant Bound_Array := (False => -(2 ** 31), + True => -(2 ** 63)); + High_Bound : constant Bound_Array := (False => (2 ** 31) - 1, + True => (2 ** 63) - 1); + + Std_Filename : Name_Id := Null_Identifier; + + -- Could be public. + Time_Fs_Unit: Iir_Unit_Declaration; + Time_Ps_Unit: Iir_Unit_Declaration; + Time_Ns_Unit: Iir_Unit_Declaration; + Time_Us_Unit: Iir_Unit_Declaration; + Time_Ms_Unit: Iir_Unit_Declaration; + Time_Sec_Unit: Iir_Unit_Declaration; + Time_Min_Unit: Iir_Unit_Declaration; + Time_Hr_Unit: Iir_Unit_Declaration; + + function Create_Std_Iir (Kind : Iir_Kind) return Iir + is + Res : Iir; + begin + Res := Create_Iir (Kind); + Set_Location (Res, Std_Location); + return Res; + end Create_Std_Iir; + + function Create_Std_Decl (Kind : Iir_Kind) return Iir + is + Res : Iir; + begin + Res := Create_Std_Iir (Kind); + Set_Parent (Res, Standard_Package); + return Res; + end Create_Std_Decl; + + function Create_Std_Type_Mark (Ref : Iir) return Iir + is + Res : Iir; + begin + Res := Iirs_Utils.Build_Simple_Name (Ref, Std_Location); + Set_Type (Res, Get_Type (Ref)); + return Res; + end Create_Std_Type_Mark; + + procedure Create_First_Nodes + is + procedure Create_Known_Iir (Kind : Iir_Kind; Val : Iir) is + begin + if Create_Std_Iir (Kind) /= Val then + raise Internal_Error; + end if; + end Create_Known_Iir; + begin + Std_Filename := Name_Table.Get_Identifier ("*std_standard*"); + Std_Source_File := Files_Map.Create_Virtual_Source_File (Std_Filename); + Std_Location := Files_Map.File_To_Location (Std_Source_File); + + if Create_Iir_Error /= Error_Mark then + raise Internal_Error; + end if; + Set_Location (Error_Mark, Std_Location); + + Create_Known_Iir (Iir_Kind_Integer_Type_Definition, + Universal_Integer_Type_Definition); + Create_Known_Iir (Iir_Kind_Floating_Type_Definition, + Universal_Real_Type_Definition); + + Create_Known_Iir (Iir_Kind_Integer_Type_Definition, + Convertible_Integer_Type_Definition); + Create_Known_Iir (Iir_Kind_Floating_Type_Definition, + Convertible_Real_Type_Definition); + + Create_Known_Iir (Iir_Kind_Wildcard_Type_Definition, + Wildcard_Any_Type); + Create_Known_Iir (Iir_Kind_Wildcard_Type_Definition, + Wildcard_Any_Aggregate_Type); + Create_Known_Iir (Iir_Kind_Wildcard_Type_Definition, + Wildcard_Any_String_Type); + Create_Known_Iir (Iir_Kind_Wildcard_Type_Definition, + Wildcard_Any_Access_Type); + end Create_First_Nodes; + + procedure Create_Std_Standard_Package (Parent : Iir_Library_Declaration) + is + function Get_Std_Character (Char: Character) return Name_Id + renames Name_Table.Get_Identifier; + + procedure Set_Std_Identifier (Decl : Iir; Name : Name_Id) is + begin + Set_Identifier (Decl, Name); + Set_Visible_Flag (Decl, True); + end Set_Std_Identifier; + + function Create_Std_Integer (Val : Iir_Int64; Lit_Type : Iir) + return Iir_Integer_Literal + is + Res : Iir_Integer_Literal; + begin + Res := Create_Std_Iir (Iir_Kind_Integer_Literal); + Set_Value (Res, Val); + Set_Type (Res, Lit_Type); + Set_Expr_Staticness (Res, Locally); + return Res; + end Create_Std_Integer; + + function Create_Std_Fp (Val : Iir_Fp64; Lit_Type : Iir) + return Iir_Floating_Point_Literal + is + Res : Iir_Floating_Point_Literal; + begin + Res := Create_Std_Iir (Iir_Kind_Floating_Point_Literal); + Set_Fp_Value (Res, Val); + Set_Type (Res, Lit_Type); + Set_Expr_Staticness (Res, Locally); + return Res; + end Create_Std_Fp; + + function Create_Std_Range_Expr (Left, Right : Iir; Rtype : Iir) + return Iir + is + Res : Iir; + begin + Res := Create_Std_Iir (Iir_Kind_Range_Expression); + Set_Left_Limit (Res, Left); + Set_Left_Limit_Expr (Res, Left); + Set_Direction (Res, Iir_To); + Set_Right_Limit (Res, Right); + Set_Right_Limit_Expr (Res, Right); + Set_Expr_Staticness (Res, Locally); + Set_Type (Res, Rtype); + return Res; + end Create_Std_Range_Expr; + + function Create_Std_Literal (Name : Name_Id; + Pos : Natural; + Sub_Type : Iir_Enumeration_Type_Definition) + return Iir_Enumeration_Literal + is + List : constant Iir_Flist := Get_Enumeration_Literal_List (Sub_Type); + Res : Iir_Enumeration_Literal; + begin + Res := Create_Std_Decl (Iir_Kind_Enumeration_Literal); + Set_Std_Identifier (Res, Name); + Set_Type (Res, Sub_Type); + Set_Expr_Staticness (Res, Locally); + Set_Name_Staticness (Res, Locally); + Set_Enum_Pos (Res, Iir_Int32 (Pos)); + Vhdl.Sem_Utils.Compute_Subprogram_Hash (Res); + Set_Nth_Element (List, Pos, Res); + return Res; + end Create_Std_Literal; + + -- Append a declaration DECL to Standard_Package. + Last_Decl : Iir := Null_Iir; + procedure Add_Decl (Decl : Iir) is + begin + if Last_Decl = Null_Iir then + Set_Declaration_Chain (Standard_Package, Decl); + else + Set_Chain (Last_Decl, Decl); + end if; + Last_Decl := Decl; + end Add_Decl; + + procedure Add_Implicit_Operations (Decl : Iir) + is + Nxt : Iir; + begin + Vhdl.Sem_Utils.Create_Implicit_Operations (Decl, True); + + -- Update Last_Decl + loop + Nxt := Get_Chain (Last_Decl); + exit when Nxt = Null_Iir; + Last_Decl := Nxt; + end loop; + end Add_Implicit_Operations; + + -- Find implicit declaration of "**" for type declaration TYPE_DECL + -- and append it at the current end of std_package. + procedure Relocate_Exp_At_End (Type_Decl : Iir) + is + Prev_El, El : Iir; + begin + pragma Assert + (Get_Kind (Type_Decl) = Iir_Kind_Anonymous_Type_Declaration); + El := Type_Decl; + loop + Prev_El := El; + El := Get_Chain (El); + pragma Assert (Get_Kind (El) = Iir_Kind_Function_Declaration); + exit when + Get_Implicit_Definition (El) = Iir_Predefined_Integer_Exp; + exit when + Get_Implicit_Definition (El) = Iir_Predefined_Floating_Exp; + end loop; + + -- EL must not be the last element, otherwise Add_Decl will break + -- the chain. + pragma Assert (Is_Valid (Get_Chain (El))); + + -- Remove from the chain. + Set_Chain (Prev_El, Get_Chain (El)); + Set_Chain (El, Null_Iir); + + -- Append. + Add_Decl (El); + end Relocate_Exp_At_End; + + procedure Create_Std_Type (Decl : out Iir; Def : Iir; Name : Name_Id) is + begin + Decl := Create_Std_Decl (Iir_Kind_Type_Declaration); + Set_Std_Identifier (Decl, Name); + Set_Type_Definition (Decl, Def); + Add_Decl (Decl); + Set_Type_Declarator (Def, Decl); + end Create_Std_Type; + + procedure Create_Integer_Type (Type_Definition : Iir; + Type_Decl : out Iir; + Type_Name : Name_Id) + is + begin + --Integer_Type_Definition := + -- Create_Std_Iir (Iir_Kind_Integer_Type_Definition); + Set_Base_Type (Type_Definition, Type_Definition); + Set_Type_Staticness (Type_Definition, Locally); + Set_Signal_Type_Flag (Type_Definition, True); + Set_Has_Signal_Flag (Type_Definition, not Flags.Flag_Whole_Analyze); + + Type_Decl := Create_Std_Decl (Iir_Kind_Anonymous_Type_Declaration); + Set_Identifier (Type_Decl, Type_Name); + Set_Type_Definition (Type_Decl, Type_Definition); + Set_Type_Declarator (Type_Definition, Type_Decl); + end Create_Integer_Type; + + procedure Create_Integer_Subtype (Type_Definition : Iir; + Type_Decl : Iir; + Subtype_Definition : out Iir; + Subtype_Decl : out Iir; + Is_64 : Boolean) + is + Constraint : Iir; + begin + Subtype_Definition := + Create_Std_Iir (Iir_Kind_Integer_Subtype_Definition); + Set_Base_Type (Subtype_Definition, Type_Definition); + Constraint := Create_Std_Range_Expr + (Create_Std_Integer (Low_Bound (Is_64), + Universal_Integer_Type_Definition), + Create_Std_Integer (High_Bound (Is_64), + Universal_Integer_Type_Definition), + Universal_Integer_Type_Definition); + Set_Range_Constraint (Subtype_Definition, Constraint); + Set_Type_Staticness (Subtype_Definition, Locally); + Set_Signal_Type_Flag (Subtype_Definition, True); + Set_Has_Signal_Flag (Subtype_Definition, + not Flags.Flag_Whole_Analyze); + + -- subtype is + Subtype_Decl := Create_Std_Decl (Iir_Kind_Subtype_Declaration); + Set_Std_Identifier (Subtype_Decl, Get_Identifier (Type_Decl)); + Set_Type (Subtype_Decl, Subtype_Definition); + Set_Subtype_Indication (Subtype_Decl, Subtype_Definition); + Set_Type_Declarator (Subtype_Definition, Subtype_Decl); + Set_Subtype_Definition (Type_Decl, Subtype_Definition); + end Create_Integer_Subtype; + + -- Create an array of EL_TYPE, indexed by Natural. + procedure Create_Array_Type + (Def : out Iir; Decl : out Iir; El_Decl : Iir; Name : Name_Id) + is + Index_List : Iir_Flist; + Index : Iir; + Element : Iir; + begin + Element := Create_Std_Type_Mark (El_Decl); + Index := Create_Std_Type_Mark (Natural_Subtype_Declaration); + + Def := Create_Std_Iir (Iir_Kind_Array_Type_Definition); + Set_Base_Type (Def, Def); + + Index_List := Create_Iir_Flist (1); + Set_Index_Subtype_Definition_List (Def, Index_List); + Set_Index_Subtype_List (Def, Index_List); + Set_Nth_Element (Index_List, 0, Index); + + Set_Element_Subtype_Indication (Def, Element); + Set_Element_Subtype (Def, Get_Type (El_Decl)); + Set_Type_Staticness (Def, None); + Set_Signal_Type_Flag (Def, True); + Set_Has_Signal_Flag (Def, not Flags.Flag_Whole_Analyze); + + Create_Std_Type (Decl, Def, Name); + + Add_Implicit_Operations (Decl); + end Create_Array_Type; + + -- Create: + -- function TO_STRING (VALUE: inter_type) return STRING; + procedure Create_To_String (Inter_Type : Iir; + Imp : Iir_Predefined_Functions; + Name : Name_Id := Std_Names.Name_To_String; + Inter2_Id : Name_Id := Null_Identifier; + Inter2_Type : Iir := Null_Iir) + is + Decl : Iir_Function_Declaration; + Inter : Iir_Interface_Constant_Declaration; + Inter2 : Iir_Interface_Constant_Declaration; + begin + Decl := Create_Std_Decl (Iir_Kind_Function_Declaration); + Set_Std_Identifier (Decl, Name); + Set_Return_Type (Decl, String_Type_Definition); + Set_Pure_Flag (Decl, True); + Set_Implicit_Definition (Decl, Imp); + + Inter := Create_Iir (Iir_Kind_Interface_Constant_Declaration); + Set_Identifier (Inter, Std_Names.Name_Value); + Set_Type (Inter, Inter_Type); + Set_Mode (Inter, Iir_In_Mode); + Set_Visible_Flag (Inter, True); + Set_Interface_Declaration_Chain (Decl, Inter); + + if Inter2_Id /= Null_Identifier then + Inter2 := Create_Iir (Iir_Kind_Interface_Constant_Declaration); + Set_Identifier (Inter2, Inter2_Id); + Set_Type (Inter2, Inter2_Type); + Set_Mode (Inter2, Iir_In_Mode); + Set_Visible_Flag (Inter2, True); + Set_Chain (Inter, Inter2); + end if; + + Vhdl.Sem_Utils.Compute_Subprogram_Hash (Decl); + Add_Decl (Decl); + end Create_To_String; + + -- Create: + -- function NAME (signal S : I inter_type) return BOOLEAN; + procedure Create_Edge_Function + (Name : Name_Id; Func : Iir_Predefined_Functions; Inter_Type : Iir) + is + Decl : Iir_Function_Declaration; + Inter : Iir_Interface_Constant_Declaration; + begin + Decl := Create_Std_Decl (Iir_Kind_Function_Declaration); + Set_Std_Identifier (Decl, Name); + Set_Return_Type (Decl, Boolean_Type_Definition); + Set_Pure_Flag (Decl, True); + Set_Implicit_Definition (Decl, Func); + + Inter := Create_Iir (Iir_Kind_Interface_Signal_Declaration); + Set_Identifier (Inter, Std_Names.Name_S); + Set_Type (Inter, Inter_Type); + Set_Mode (Inter, Iir_In_Mode); + Set_Visible_Flag (Inter, True); + Set_Interface_Declaration_Chain (Decl, Inter); + + Vhdl.Sem_Utils.Compute_Subprogram_Hash (Decl); + Add_Decl (Decl); + end Create_Edge_Function; + + procedure Create_Wildcard_Type (Def : Iir; Name : String) + is + Decl : Iir; + begin + Decl := Create_Std_Decl (Iir_Kind_Type_Declaration); + Set_Identifier (Decl, Name_Table.Get_Identifier (Name)); + Set_Base_Type (Def, Def); + Set_Type_Staticness (Def, None); + Set_Type_Definition (Decl, Def); + Set_Type_Declarator (Def, Decl); + + Set_Chain (Decl, Wildcard_Type_Declaration_Chain); + Wildcard_Type_Declaration_Chain := Decl; + end Create_Wildcard_Type; + + begin + -- Create design file. + Std_Standard_File := Create_Std_Iir (Iir_Kind_Design_File); + Set_Parent (Std_Standard_File, Parent); + Set_Design_File_Filename (Std_Standard_File, Std_Filename); + + declare + Std_Time_Stamp : constant Time_Stamp_String := + "20020601000000.000"; + Id : Time_Stamp_Id; + begin + Id := Time_Stamp_Id (Str_Table.Create_String8); + for I in Time_Stamp_String'Range loop + Str_Table.Append_String8_Char (Std_Time_Stamp (I)); + end loop; + Set_Analysis_Time_Stamp (Std_Standard_File, Id); + end; + + -- Create design unit. + Std_Standard_Unit := Create_Std_Iir (Iir_Kind_Design_Unit); + Set_Identifier (Std_Standard_Unit, Name_Standard); + Set_First_Design_Unit (Std_Standard_File, Std_Standard_Unit); + Set_Last_Design_Unit (Std_Standard_File, Std_Standard_Unit); + Set_Design_File (Std_Standard_Unit, Std_Standard_File); + Set_Date_State (Std_Standard_Unit, Date_Analyze); + Set_Dependence_List (Std_Standard_Unit, Create_Iir_List); + + Set_Date (Std_Standard_Unit, Date_Valid'First); + + -- Adding "package STANDARD is" + Standard_Package := Create_Std_Iir (Iir_Kind_Package_Declaration); + Set_Std_Identifier (Standard_Package, Name_Standard); + Set_Need_Body (Standard_Package, False); + + Set_Library_Unit (Std_Standard_Unit, Standard_Package); + Set_Design_Unit (Standard_Package, Std_Standard_Unit); + + -- boolean + begin + -- (false, true) + Boolean_Type_Definition := + Create_Std_Iir (Iir_Kind_Enumeration_Type_Definition); + Set_Base_Type (Boolean_Type_Definition, Boolean_Type_Definition); + Set_Enumeration_Literal_List + (Boolean_Type_Definition, Create_Iir_Flist (2)); + Boolean_False := Create_Std_Literal + (Name_False, 0, Boolean_Type_Definition); + Boolean_True := Create_Std_Literal + (Name_True, 1, Boolean_Type_Definition); + Set_Type_Staticness (Boolean_Type_Definition, Locally); + Set_Signal_Type_Flag (Boolean_Type_Definition, True); + Set_Has_Signal_Flag (Boolean_Type_Definition, + not Flags.Flag_Whole_Analyze); + + -- type boolean is + Create_Std_Type (Boolean_Type_Declaration, Boolean_Type_Definition, + Name_Boolean); + + Iirs_Utils.Create_Range_Constraint_For_Enumeration_Type + (Boolean_Type_Definition); + Add_Implicit_Operations (Boolean_Type_Declaration); + end; + + if Vhdl_Std >= Vhdl_08 then + -- Rising_Edge and Falling_Edge + Create_Edge_Function + (Std_Names.Name_Rising_Edge, Iir_Predefined_Boolean_Rising_Edge, + Boolean_Type_Definition); + Create_Edge_Function + (Std_Names.Name_Falling_Edge, Iir_Predefined_Boolean_Falling_Edge, + Boolean_Type_Definition); + end if; + + -- bit. + begin + -- ('0', '1') + Bit_Type_Definition := + Create_Std_Iir (Iir_Kind_Enumeration_Type_Definition); + Set_Enumeration_Literal_List + (Bit_Type_Definition, Create_Iir_Flist (2)); + Set_Base_Type (Bit_Type_Definition, Bit_Type_Definition); + Set_Is_Character_Type (Bit_Type_Definition, True); + Bit_0 := Create_Std_Literal + (Get_Std_Character ('0'), 0, Bit_Type_Definition); + Bit_1 := Create_Std_Literal + (Get_Std_Character ('1'), 1, Bit_Type_Definition); + Set_Type_Staticness (Bit_Type_Definition, Locally); + Set_Signal_Type_Flag (Bit_Type_Definition, True); + Set_Has_Signal_Flag (Bit_Type_Definition, + not Flags.Flag_Whole_Analyze); + Set_Only_Characters_Flag (Bit_Type_Definition, True); + + -- type bit is + Create_Std_Type (Bit_Type_Declaration, Bit_Type_Definition, Name_Bit); + + Iirs_Utils.Create_Range_Constraint_For_Enumeration_Type + (Bit_Type_Definition); + Add_Implicit_Operations (Bit_Type_Declaration); + end; + + if Vhdl_Std >= Vhdl_08 then + -- Rising_Edge and Falling_Edge + Create_Edge_Function + (Std_Names.Name_Rising_Edge, Iir_Predefined_Bit_Rising_Edge, + Bit_Type_Definition); + Create_Edge_Function + (Std_Names.Name_Falling_Edge, Iir_Predefined_Bit_Falling_Edge, + Bit_Type_Definition); + end if; + + -- characters. + declare + El: Iir; + pragma Unreferenced (El); + Len : Natural; + begin + Character_Type_Definition := + Create_Std_Iir (Iir_Kind_Enumeration_Type_Definition); + Set_Base_Type (Character_Type_Definition, Character_Type_Definition); + Set_Is_Character_Type (Character_Type_Definition, True); + if Vhdl_Std = Vhdl_87 then + Len := 128; + else + Len := 256; + end if; + Set_Enumeration_Literal_List + (Character_Type_Definition, Create_Iir_Flist (Len)); + + for I in Name_Nul .. Name_Usp loop + El := Create_Std_Literal + (I, Natural (I - Name_Nul), Character_Type_Definition); + end loop; + for I in Character'(' ') .. Character'('~') loop + El := Create_Std_Literal + (Get_Std_Character (I), Character'Pos (I), + Character_Type_Definition); + end loop; + El := Create_Std_Literal (Name_Del, 127, Character_Type_Definition); + if Vhdl_Std /= Vhdl_87 then + for I in Name_C128 .. Name_C159 loop + El := Create_Std_Literal + (I, 128 + Natural (I - Name_C128), Character_Type_Definition); + end loop; + for I in Character'Val (160) .. Character'Val (255) loop + El := Create_Std_Literal + (Get_Std_Character (I), Character'Pos (I), + Character_Type_Definition); + end loop; + end if; + Set_Type_Staticness (Character_Type_Definition, Locally); + Set_Signal_Type_Flag (Character_Type_Definition, True); + Set_Has_Signal_Flag (Character_Type_Definition, + not Flags.Flag_Whole_Analyze); + + -- type character is + Create_Std_Type + (Character_Type_Declaration, Character_Type_Definition, + Name_Character); + + Iirs_Utils.Create_Range_Constraint_For_Enumeration_Type + (Character_Type_Definition); + Add_Implicit_Operations (Character_Type_Declaration); + end; + + -- severity level. + begin + -- (note, warning, error, failure) + Severity_Level_Type_Definition := + Create_Std_Iir (Iir_Kind_Enumeration_Type_Definition); + Set_Base_Type (Severity_Level_Type_Definition, + Severity_Level_Type_Definition); + Set_Enumeration_Literal_List + (Severity_Level_Type_Definition, Create_Iir_Flist (4)); + + Severity_Level_Note := Create_Std_Literal + (Name_Note, 0, Severity_Level_Type_Definition); + Severity_Level_Warning := Create_Std_Literal + (Name_Warning, 1, Severity_Level_Type_Definition); + Severity_Level_Error := Create_Std_Literal + (Name_Error, 2, Severity_Level_Type_Definition); + Severity_Level_Failure := Create_Std_Literal + (Name_Failure, 3, Severity_Level_Type_Definition); + Set_Type_Staticness (Severity_Level_Type_Definition, Locally); + Set_Signal_Type_Flag (Severity_Level_Type_Definition, True); + Set_Has_Signal_Flag (Severity_Level_Type_Definition, + not Flags.Flag_Whole_Analyze); + + -- type severity_level is + Create_Std_Type + (Severity_Level_Type_Declaration, Severity_Level_Type_Definition, + Name_Severity_Level); + + Iirs_Utils.Create_Range_Constraint_For_Enumeration_Type + (Severity_Level_Type_Definition); + Add_Implicit_Operations (Severity_Level_Type_Declaration); + end; + + -- universal integer + begin + Create_Integer_Type (Universal_Integer_Type_Definition, + Universal_Integer_Type_Declaration, + Name_Universal_Integer); + Add_Decl (Universal_Integer_Type_Declaration); + + Create_Integer_Subtype (Universal_Integer_Type_Definition, + Universal_Integer_Type_Declaration, + Universal_Integer_Subtype_Definition, + Universal_Integer_Subtype_Declaration, + Flags.Flag_Time_64 or Flags.Flag_Integer_64); + + Add_Decl (Universal_Integer_Subtype_Declaration); + Set_Subtype_Definition (Universal_Integer_Type_Declaration, + Universal_Integer_Subtype_Definition); + + -- Do not create implicit operations yet, since "**" needs integer + -- type. + end; + + -- Universal integer constant 1. + Universal_Integer_One := + Create_Std_Integer (1, Universal_Integer_Type_Definition); + + -- Universal real. + declare + Constraint : Iir_Range_Expression; + begin + Set_Base_Type (Universal_Real_Type_Definition, + Universal_Real_Type_Definition); + Set_Type_Staticness (Universal_Real_Type_Definition, Locally); + Set_Signal_Type_Flag (Universal_Real_Type_Definition, True); + Set_Has_Signal_Flag (Universal_Real_Type_Definition, False); + + -- type universal_real is ... + Universal_Real_Type_Declaration := + Create_Std_Decl (Iir_Kind_Anonymous_Type_Declaration); + Set_Identifier (Universal_Real_Type_Declaration, Name_Universal_Real); + Set_Type_Definition (Universal_Real_Type_Declaration, + Universal_Real_Type_Definition); + Set_Type_Declarator (Universal_Real_Type_Definition, + Universal_Real_Type_Declaration); + Add_Decl (Universal_Real_Type_Declaration); + + Universal_Real_Subtype_Definition := + Create_Std_Iir (Iir_Kind_Floating_Subtype_Definition); + Set_Base_Type (Universal_Real_Subtype_Definition, + Universal_Real_Type_Definition); + Constraint := Create_Std_Range_Expr + (Create_Std_Fp (Iir_Fp64'First, Universal_Real_Type_Definition), + Create_Std_Fp (Iir_Fp64'Last, Universal_Real_Type_Definition), + Universal_Real_Type_Definition); + Set_Range_Constraint (Universal_Real_Subtype_Definition, Constraint); + Set_Type_Staticness (Universal_Real_Subtype_Definition, Locally); + Set_Signal_Type_Flag (Universal_Real_Subtype_Definition, True); + Set_Has_Signal_Flag (Universal_Real_Subtype_Definition, False); + + -- subtype universal_real is ... + Universal_Real_Subtype_Declaration := + Create_Std_Decl (Iir_Kind_Subtype_Declaration); + Set_Identifier (Universal_Real_Subtype_Declaration, + Name_Universal_Real); + Set_Type (Universal_Real_Subtype_Declaration, + Universal_Real_Subtype_Definition); + Set_Subtype_Indication (Universal_Real_Subtype_Declaration, + Universal_Real_Subtype_Definition); + Set_Type_Declarator (Universal_Real_Subtype_Definition, + Universal_Real_Subtype_Declaration); + Set_Subtype_Definition (Universal_Real_Type_Declaration, + Universal_Real_Subtype_Definition); + + Add_Decl (Universal_Real_Subtype_Declaration); + + -- Do not create implicit operations yet, since "**" needs integer + -- type. + end; + + -- Convertible type. + begin + Create_Integer_Type (Convertible_Integer_Type_Definition, + Convertible_Integer_Type_Declaration, + Name_Convertible_Integer); + Create_Integer_Subtype (Convertible_Integer_Type_Definition, + Convertible_Integer_Type_Declaration, + Convertible_Integer_Subtype_Definition, + Convertible_Integer_Subtype_Declaration, + Flags.Flag_Time_64 or Flags.Flag_Integer_64); + + -- Not added in std.standard. + end; + + begin + Set_Base_Type (Convertible_Real_Type_Definition, + Convertible_Real_Type_Definition); + Set_Type_Staticness (Convertible_Real_Type_Definition, Locally); + Set_Signal_Type_Flag (Convertible_Real_Type_Definition, True); + Set_Has_Signal_Flag (Convertible_Real_Type_Definition, False); + + Convertible_Real_Type_Declaration := + Create_Std_Decl (Iir_Kind_Anonymous_Type_Declaration); + Set_Identifier (Convertible_Real_Type_Declaration, + Name_Convertible_Real); + Set_Type_Definition (Convertible_Real_Type_Declaration, + Convertible_Real_Type_Definition); + Set_Type_Declarator (Convertible_Real_Type_Definition, + Convertible_Real_Type_Declaration); + end; + + -- integer type. + begin + Integer_Type_Definition := + Create_Std_Iir (Iir_Kind_Integer_Type_Definition); + Create_Integer_Type (Integer_Type_Definition, + Integer_Type_Declaration, + Name_Integer); + Add_Decl (Integer_Type_Declaration); + + -- Now that Integer is declared, create operations for universal + -- types. They will be inserted just after the type declaration, + -- but cannot be done before as "**" relies on Integer. + Add_Implicit_Operations (Universal_Integer_Type_Declaration); + Add_Implicit_Operations (Universal_Real_Type_Declaration); + + -- Don't define "**" for universal types before the declaration of + -- Integer, so move them. + Relocate_Exp_At_End (Universal_Integer_Type_Declaration); + Relocate_Exp_At_End (Universal_Real_Type_Declaration); + + Add_Implicit_Operations (Integer_Type_Declaration); + + Create_Integer_Subtype (Integer_Type_Definition, + Integer_Type_Declaration, + Integer_Subtype_Definition, + Integer_Subtype_Declaration, + Flags.Flag_Integer_64); + Add_Decl (Integer_Subtype_Declaration); + end; + + -- Real type. + declare + Constraint : Iir_Range_Expression; + begin + Real_Type_Definition := + Create_Std_Iir (Iir_Kind_Floating_Type_Definition); + Set_Base_Type (Real_Type_Definition, Real_Type_Definition); + Set_Type_Staticness (Real_Type_Definition, Locally); + Set_Signal_Type_Flag (Real_Type_Definition, True); + Set_Has_Signal_Flag (Real_Type_Definition, + not Flags.Flag_Whole_Analyze); + + Real_Type_Declaration := + Create_Std_Decl (Iir_Kind_Anonymous_Type_Declaration); + Set_Identifier (Real_Type_Declaration, Name_Real); + Set_Type_Definition (Real_Type_Declaration, Real_Type_Definition); + Set_Type_Declarator (Real_Type_Definition, Real_Type_Declaration); + Add_Decl (Real_Type_Declaration); + + Add_Implicit_Operations (Real_Type_Declaration); + + Real_Subtype_Definition := + Create_Std_Iir (Iir_Kind_Floating_Subtype_Definition); + Set_Base_Type (Real_Subtype_Definition, Real_Type_Definition); + Constraint := Create_Std_Range_Expr + (Create_Std_Fp (Iir_Fp64'First, Universal_Real_Type_Definition), + Create_Std_Fp (Iir_Fp64'Last, Universal_Real_Type_Definition), + Universal_Real_Type_Definition); + Set_Range_Constraint (Real_Subtype_Definition, Constraint); + Set_Type_Staticness (Real_Subtype_Definition, Locally); + Set_Signal_Type_Flag (Real_Subtype_Definition, True); + Set_Has_Signal_Flag (Real_Subtype_Definition, + not Flags.Flag_Whole_Analyze); + + Real_Subtype_Declaration := + Create_Std_Decl (Iir_Kind_Subtype_Declaration); + Set_Std_Identifier (Real_Subtype_Declaration, Name_Real); + Set_Type (Real_Subtype_Declaration, Real_Subtype_Definition); + Set_Subtype_Indication (Real_Subtype_Declaration, + Real_Subtype_Definition); + Set_Type_Declarator + (Real_Subtype_Definition, Real_Subtype_Declaration); + Add_Decl (Real_Subtype_Declaration); + + Set_Subtype_Definition + (Real_Type_Declaration, Real_Subtype_Definition); + end; + + -- time definition + declare + Time_Staticness : Iir_Staticness; + Last_Unit : Iir_Unit_Declaration; + use Iir_Chains.Unit_Chain_Handling; + + function Create_Std_Phys_Lit_Wo_Unit (Value : Iir_Int64; Unit : Iir) + return Iir_Physical_Int_Literal + is + Lit: Iir_Physical_Int_Literal; + begin + Lit := Create_Std_Iir (Iir_Kind_Physical_Int_Literal); + Set_Value (Lit, Value); + pragma Assert (Get_Kind (Unit) = Iir_Kind_Unit_Declaration); + Set_Physical_Unit (Lit, Unit); + Set_Type (Lit, Time_Type_Definition); + Set_Expr_Staticness (Lit, Time_Staticness); + return Lit; + end Create_Std_Phys_Lit_Wo_Unit; + + function Create_Std_Phys_Lit (Value : Iir_Int64; Unit : Iir) + return Iir_Physical_Int_Literal + is + Lit: Iir_Physical_Int_Literal; + Unit_Name : Iir; + begin + Lit := Create_Std_Phys_Lit_Wo_Unit (Value, Unit); + Unit_Name := Create_Std_Iir (Iir_Kind_Simple_Name); + Set_Identifier (Unit_Name, Get_Identifier (Unit)); + Set_Unit_Name (Lit, Unit_Name); + return Lit; + end Create_Std_Phys_Lit; + + procedure Create_Unit (Unit : out Iir_Unit_Declaration; + Multiplier_Value : Iir_Int64; + Multiplier : in Iir_Unit_Declaration; + Name : Name_Id) + is + Lit, Lit1 : Iir_Physical_Int_Literal; + begin + Unit := Create_Std_Decl (Iir_Kind_Unit_Declaration); + Set_Std_Identifier (Unit, Name); + Set_Type (Unit, Time_Type_Definition); + + Lit1 := Create_Std_Phys_Lit (Multiplier_Value, Multiplier); + Lit := Create_Std_Phys_Lit + (Multiplier_Value + * Get_Value (Get_Physical_Literal (Multiplier)), + Get_Physical_Unit (Get_Physical_Literal (Multiplier))); + Set_Literal_Origin (Lit, Lit1); + Set_Physical_Literal (Unit, Lit); + + Set_Expr_Staticness (Unit, Time_Staticness); + Set_Name_Staticness (Unit, Locally); + Append (Last_Unit, Time_Type_Definition, Unit); + end Create_Unit; + + Constraint : Iir_Range_Expression; + begin + if Vhdl_Std >= Vhdl_93c then + Time_Staticness := Globally; + else + Time_Staticness := Locally; + end if; + + Time_Type_Definition := + Create_Std_Iir (Iir_Kind_Physical_Type_Definition); + Set_Base_Type (Time_Type_Definition, Time_Type_Definition); + Set_Type_Staticness (Time_Type_Definition, Locally);--Time_Staticness + Set_Signal_Type_Flag (Time_Type_Definition, True); + Set_Has_Signal_Flag (Time_Type_Definition, + not Flags.Flag_Whole_Analyze); + Set_End_Has_Reserved_Id (Time_Type_Definition, True); + + Build_Init (Last_Unit); + + Time_Fs_Unit := Create_Std_Decl (Iir_Kind_Unit_Declaration); + Set_Std_Identifier (Time_Fs_Unit, Name_Fs); + Set_Type (Time_Fs_Unit, Time_Type_Definition); + Set_Expr_Staticness (Time_Fs_Unit, Time_Staticness); + Set_Name_Staticness (Time_Fs_Unit, Locally); + Set_Physical_Literal + (Time_Fs_Unit, Create_Std_Phys_Lit (1, Time_Fs_Unit)); + Append (Last_Unit, Time_Type_Definition, Time_Fs_Unit); + + Create_Unit (Time_Ps_Unit, 1000, Time_Fs_Unit, Name_Ps); + Create_Unit (Time_Ns_Unit, 1000, Time_Ps_Unit, Name_Ns); + Create_Unit (Time_Us_Unit, 1000, Time_Ns_Unit, Name_Us); + Create_Unit (Time_Ms_Unit, 1000, Time_Us_Unit, Name_Ms); + Create_Unit (Time_Sec_Unit, 1000, Time_Ms_Unit, Name_Sec); + Create_Unit (Time_Min_Unit, 60, Time_Sec_Unit, Name_Min); + Create_Unit (Time_Hr_Unit, 60, Time_Min_Unit, Name_Hr); + + -- type is + Time_Type_Declaration := + Create_Std_Decl (Iir_Kind_Anonymous_Type_Declaration); + Set_Identifier (Time_Type_Declaration, Name_Time); + Set_Type_Definition (Time_Type_Declaration, Time_Type_Definition); + Set_Type_Declarator (Time_Type_Definition, Time_Type_Declaration); + Add_Decl (Time_Type_Declaration); + + Add_Implicit_Operations (Time_Type_Declaration); + + Time_Subtype_Definition := + Create_Std_Iir (Iir_Kind_Physical_Subtype_Definition); + Constraint := Create_Std_Range_Expr + (Create_Std_Phys_Lit_Wo_Unit (Low_Bound (Flags.Flag_Time_64), + Time_Fs_Unit), + Create_Std_Phys_Lit_Wo_Unit (High_Bound (Flags.Flag_Time_64), + Time_Fs_Unit), + Time_Type_Definition); + Set_Range_Constraint (Time_Subtype_Definition, Constraint); + Set_Base_Type (Time_Subtype_Definition, Time_Type_Definition); + --Set_Subtype_Type_Mark (Time_Subtype_Definition, + -- Time_Type_Definition); + Set_Type_Staticness (Time_Subtype_Definition, Time_Staticness); + Set_Signal_Type_Flag (Time_Subtype_Definition, True); + Set_Has_Signal_Flag (Time_Subtype_Definition, + not Flags.Flag_Whole_Analyze); + + -- subtype time is + Time_Subtype_Declaration := + Create_Std_Decl (Iir_Kind_Subtype_Declaration); + Set_Std_Identifier (Time_Subtype_Declaration, Name_Time); + Set_Type (Time_Subtype_Declaration, Time_Subtype_Definition); + Set_Subtype_Indication (Time_Subtype_Declaration, + Time_Subtype_Definition); + Set_Type_Declarator (Time_Subtype_Definition, + Time_Subtype_Declaration); + Add_Decl (Time_Subtype_Declaration); + Set_Subtype_Definition + (Time_Type_Declaration, Time_Subtype_Definition); + + -- VHDL93 + -- subtype DELAY_LENGTH is TIME range 0 to TIME'HIGH + if Vhdl_Std >= Vhdl_93c then + Delay_Length_Subtype_Definition := + Create_Std_Iir (Iir_Kind_Physical_Subtype_Definition); + Set_Subtype_Type_Mark + (Delay_Length_Subtype_Definition, + Create_Std_Type_Mark (Time_Subtype_Declaration)); + Constraint := Create_Std_Range_Expr + (Create_Std_Phys_Lit (0, Time_Fs_Unit), + Create_Std_Phys_Lit (High_Bound (Flags.Flag_Time_64), + Time_Fs_Unit), + Time_Type_Definition); + Set_Range_Constraint (Delay_Length_Subtype_Definition, Constraint); + Set_Base_Type + (Delay_Length_Subtype_Definition, Time_Type_Definition); + Set_Type_Staticness + (Delay_Length_Subtype_Definition, Time_Staticness); + Set_Signal_Type_Flag (Delay_Length_Subtype_Definition, True); + Set_Has_Signal_Flag (Delay_Length_Subtype_Definition, + not Flags.Flag_Whole_Analyze); + + -- subtype delay_length is ... + Delay_Length_Subtype_Declaration := + Create_Std_Decl (Iir_Kind_Subtype_Declaration); + Set_Std_Identifier (Delay_Length_Subtype_Declaration, + Name_Delay_Length); + Set_Type (Delay_Length_Subtype_Declaration, + Delay_Length_Subtype_Definition); + Set_Type_Declarator (Delay_Length_Subtype_Definition, + Delay_Length_Subtype_Declaration); + Set_Subtype_Indication (Delay_Length_Subtype_Declaration, + Delay_Length_Subtype_Definition); + Add_Decl (Delay_Length_Subtype_Declaration); + else + Delay_Length_Subtype_Definition := Null_Iir; + Delay_Length_Subtype_Declaration := Null_Iir; + end if; + end; + + -- VHDL87: + -- function NOW return TIME + -- + -- impure function NOW return DELAY_LENGTH. + declare + Function_Now : Iir_Function_Declaration; + begin + Function_Now := Create_Std_Decl (Iir_Kind_Function_Declaration); + Set_Std_Identifier (Function_Now, Std_Names.Name_Now); + if Vhdl_Std = Vhdl_87 then + Set_Return_Type (Function_Now, Time_Subtype_Definition); + else + Set_Return_Type (Function_Now, Delay_Length_Subtype_Definition); + end if; + if Vhdl_Std = Vhdl_02 then + Set_Pure_Flag (Function_Now, True); + else + Set_Pure_Flag (Function_Now, False); + end if; + Set_Implicit_Definition (Function_Now, Iir_Predefined_Now_Function); + Vhdl.Sem_Utils.Compute_Subprogram_Hash (Function_Now); + Add_Decl (Function_Now); + end; + + -- natural subtype + declare + Constraint : Iir_Range_Expression; + begin + Natural_Subtype_Definition := + Create_Std_Iir (Iir_Kind_Integer_Subtype_Definition); + Set_Base_Type (Natural_Subtype_Definition, Integer_Type_Definition); + Set_Subtype_Type_Mark + (Natural_Subtype_Definition, + Create_Std_Type_Mark (Integer_Subtype_Declaration)); + Constraint := Create_Std_Range_Expr + (Create_Std_Integer (0, Integer_Type_Definition), + Create_Std_Integer (High_Bound (Flags.Flag_Integer_64), + Integer_Type_Definition), + Integer_Type_Definition); + Set_Range_Constraint (Natural_Subtype_Definition, Constraint); + Set_Type_Staticness (Natural_Subtype_Definition, Locally); + Set_Signal_Type_Flag (Natural_Subtype_Definition, True); + Set_Has_Signal_Flag (Natural_Subtype_Definition, + not Flags.Flag_Whole_Analyze); + + Natural_Subtype_Declaration := + Create_Std_Decl (Iir_Kind_Subtype_Declaration); + Set_Std_Identifier (Natural_Subtype_Declaration, Name_Natural); + Set_Type (Natural_Subtype_Declaration, Natural_Subtype_Definition); + Set_Subtype_Indication (Natural_Subtype_Declaration, + Natural_Subtype_Definition); + Add_Decl (Natural_Subtype_Declaration); + Set_Type_Declarator (Natural_Subtype_Definition, + Natural_Subtype_Declaration); + end; + + -- positive subtype + declare + Constraint : Iir_Range_Expression; + begin + Positive_Subtype_Definition := + Create_Std_Iir (Iir_Kind_Integer_Subtype_Definition); + Set_Base_Type (Positive_Subtype_Definition, + Integer_Type_Definition); + Set_Subtype_Type_Mark + (Positive_Subtype_Definition, + Create_Std_Type_Mark (Integer_Subtype_Declaration)); + Constraint := Create_Std_Range_Expr + (Create_Std_Integer (1, Integer_Type_Definition), + Create_Std_Integer (High_Bound (Flags.Flag_Integer_64), + Integer_Type_Definition), + Integer_Type_Definition); + Set_Range_Constraint (Positive_Subtype_Definition, Constraint); + Set_Type_Staticness (Positive_Subtype_Definition, Locally); + Set_Signal_Type_Flag (Positive_Subtype_Definition, True); + Set_Has_Signal_Flag (Positive_Subtype_Definition, + not Flags.Flag_Whole_Analyze); + + Positive_Subtype_Declaration := + Create_Std_Decl (Iir_Kind_Subtype_Declaration); + Set_Std_Identifier (Positive_Subtype_Declaration, Name_Positive); + Set_Type (Positive_Subtype_Declaration, Positive_Subtype_Definition); + Set_Subtype_Indication (Positive_Subtype_Declaration, + Positive_Subtype_Definition); + Add_Decl (Positive_Subtype_Declaration); + Set_Type_Declarator (Positive_Subtype_Definition, + Positive_Subtype_Declaration); + end; + + -- string type. + -- type string is array (positive range <>) of character; + declare + Element : Iir; + Index_List : Iir_Flist; + begin + Element := Create_Std_Type_Mark (Character_Type_Declaration); + + String_Type_Definition := + Create_Std_Iir (Iir_Kind_Array_Type_Definition); + Set_Base_Type (String_Type_Definition, String_Type_Definition); + Index_List := Create_Iir_Flist (1); + Set_Nth_Element (Index_List, 0, + Create_Std_Type_Mark (Positive_Subtype_Declaration)); + Set_Index_Subtype_Definition_List (String_Type_Definition, + Index_List); + Set_Index_Subtype_List (String_Type_Definition, Index_List); + Set_Element_Subtype_Indication (String_Type_Definition, Element); + Set_Element_Subtype (String_Type_Definition, + Character_Type_Definition); + Set_Type_Staticness (String_Type_Definition, None); + Set_Signal_Type_Flag (String_Type_Definition, True); + Set_Has_Signal_Flag (String_Type_Definition, + not Flags.Flag_Whole_Analyze); + + Create_Std_Type + (String_Type_Declaration, String_Type_Definition, Name_String); + + Add_Implicit_Operations (String_Type_Declaration); + end; + + if Vhdl_Std >= Vhdl_08 then + -- type Boolean_Vector is array (Natural range <>) of Boolean; + Create_Array_Type + (Boolean_Vector_Type_Definition, Boolean_Vector_Type_Declaration, + Boolean_Type_Declaration, Name_Boolean_Vector); + end if; + + -- bit_vector type. + -- type bit_vector is array (natural range <>) of bit; + Create_Array_Type + (Bit_Vector_Type_Definition, Bit_Vector_Type_Declaration, + Bit_Type_Declaration, Name_Bit_Vector); + + -- LRM08 5.3.2.4 Predefined operations on array types + -- The following operations are implicitly declared in package + -- STD.STANDARD immediately following the declaration of type + -- BIT_VECTOR: + if Vhdl_Std >= Vhdl_08 then + Create_To_String (Bit_Vector_Type_Definition, + Iir_Predefined_Bit_Vector_To_Ostring, + Name_To_Ostring); + Create_To_String (Bit_Vector_Type_Definition, + Iir_Predefined_Bit_Vector_To_Hstring, + Name_To_Hstring); + end if; + + -- VHDL 2008 + -- Vector types + if Vhdl_Std >= Vhdl_08 then + -- type integer_vector is array (natural range <>) of Integer; + Create_Array_Type + (Integer_Vector_Type_Definition, Integer_Vector_Type_Declaration, + Integer_Subtype_Declaration, Name_Integer_Vector); + + -- type Real_vector is array (natural range <>) of Real; + Create_Array_Type + (Real_Vector_Type_Definition, Real_Vector_Type_Declaration, + Real_Subtype_Declaration, Name_Real_Vector); + + -- type Time_vector is array (natural range <>) of Time; + Create_Array_Type + (Time_Vector_Type_Definition, Time_Vector_Type_Declaration, + Time_Subtype_Declaration, Name_Time_Vector); + end if; + + -- VHDL93: + -- type file_open_kind is (read_mode, write_mode, append_mode); + if Vhdl_Std >= Vhdl_93c then + File_Open_Kind_Type_Definition := + Create_Std_Iir (Iir_Kind_Enumeration_Type_Definition); + Set_Base_Type (File_Open_Kind_Type_Definition, + File_Open_Kind_Type_Definition); + Set_Enumeration_Literal_List + (File_Open_Kind_Type_Definition, Create_Iir_Flist (3)); + + File_Open_Kind_Read_Mode := Create_Std_Literal + (Name_Read_Mode, 0, File_Open_Kind_Type_Definition); + File_Open_Kind_Write_Mode := Create_Std_Literal + (Name_Write_Mode, 1, File_Open_Kind_Type_Definition); + File_Open_Kind_Append_Mode := Create_Std_Literal + (Name_Append_Mode, 2, File_Open_Kind_Type_Definition); + Set_Type_Staticness (File_Open_Kind_Type_Definition, Locally); + Set_Signal_Type_Flag (File_Open_Kind_Type_Definition, True); + Set_Has_Signal_Flag (File_Open_Kind_Type_Definition, + not Flags.Flag_Whole_Analyze); + + -- type file_open_kind is + Create_Std_Type + (File_Open_Kind_Type_Declaration, File_Open_Kind_Type_Definition, + Name_File_Open_Kind); + + Iirs_Utils.Create_Range_Constraint_For_Enumeration_Type + (File_Open_Kind_Type_Definition); + Add_Implicit_Operations (File_Open_Kind_Type_Declaration); + else + File_Open_Kind_Type_Declaration := Null_Iir; + File_Open_Kind_Type_Definition := Null_Iir; + File_Open_Kind_Read_Mode := Null_Iir; + File_Open_Kind_Write_Mode := Null_Iir; + File_Open_Kind_Append_Mode := Null_Iir; + end if; + + -- VHDL93: + -- type file_open_status is + -- (open_ok, status_error, name_error, mode_error); + if Vhdl_Std >= Vhdl_93c then + File_Open_Status_Type_Definition := + Create_Std_Iir (Iir_Kind_Enumeration_Type_Definition); + Set_Base_Type (File_Open_Status_Type_Definition, + File_Open_Status_Type_Definition); + Set_Enumeration_Literal_List + (File_Open_Status_Type_Definition, Create_Iir_Flist (4)); + + File_Open_Status_Open_Ok := Create_Std_Literal + (Name_Open_Ok, 0, File_Open_Status_Type_Definition); + File_Open_Status_Status_Error := Create_Std_Literal + (Name_Status_Error, 1, File_Open_Status_Type_Definition); + File_Open_Status_Name_Error := Create_Std_Literal + (Name_Name_Error, 2, File_Open_Status_Type_Definition); + File_Open_Status_Mode_Error := Create_Std_Literal + (Name_Mode_Error, 3, File_Open_Status_Type_Definition); + Set_Type_Staticness (File_Open_Status_Type_Definition, Locally); + Set_Signal_Type_Flag (File_Open_Status_Type_Definition, True); + Set_Has_Signal_Flag (File_Open_Status_Type_Definition, + not Flags.Flag_Whole_Analyze); + + -- type file_open_kind is + Create_Std_Type (File_Open_Status_Type_Declaration, + File_Open_Status_Type_Definition, + Name_File_Open_Status); + Iirs_Utils.Create_Range_Constraint_For_Enumeration_Type + (File_Open_Status_Type_Definition); + Add_Implicit_Operations (File_Open_Status_Type_Declaration); + else + File_Open_Status_Type_Declaration := Null_Iir; + File_Open_Status_Type_Definition := Null_Iir; + File_Open_Status_Open_Ok := Null_Iir; + File_Open_Status_Status_Error := Null_Iir; + File_Open_Status_Name_Error := Null_Iir; + File_Open_Status_Mode_Error := Null_Iir; + end if; + + -- VHDL93: + -- attribute FOREIGN: string; + if Vhdl_Std >= Vhdl_93c then + Foreign_Attribute := Create_Std_Decl (Iir_Kind_Attribute_Declaration); + Set_Std_Identifier (Foreign_Attribute, Name_Foreign); + Set_Type_Mark (Foreign_Attribute, + Create_Std_Type_Mark (String_Type_Declaration)); + Set_Type (Foreign_Attribute, String_Type_Definition); + Add_Decl (Foreign_Attribute); + else + Foreign_Attribute := Null_Iir; + end if; + + if Vhdl_Std >= Vhdl_08 then + Create_To_String (Boolean_Type_Definition, + Iir_Predefined_Enum_To_String); + Create_To_String (Bit_Type_Definition, + Iir_Predefined_Enum_To_String); + Create_To_String (Character_Type_Definition, + Iir_Predefined_Enum_To_String); + Create_To_String (Severity_Level_Type_Definition, + Iir_Predefined_Enum_To_String); + Create_To_String (Universal_Integer_Type_Definition, + Iir_Predefined_Integer_To_String); + Create_To_String (Universal_Real_Type_Definition, + Iir_Predefined_Floating_To_String); + Create_To_String (Integer_Type_Definition, + Iir_Predefined_Integer_To_String); + Create_To_String (Real_Type_Definition, + Iir_Predefined_Floating_To_String); + Create_To_String (Time_Type_Definition, + Iir_Predefined_Physical_To_String); + Create_To_String (File_Open_Kind_Type_Definition, + Iir_Predefined_Enum_To_String); + Create_To_String (File_Open_Status_Type_Definition, + Iir_Predefined_Enum_To_String); + + -- Predefined overload TO_STRING operations + Create_To_String (Real_Type_Definition, + Iir_Predefined_Real_To_String_Digits, + Name_To_String, + Name_Digits, + Natural_Subtype_Definition); + Create_To_String (Real_Type_Definition, + Iir_Predefined_Real_To_String_Format, + Name_To_String, + Name_Format, + String_Type_Definition); + Create_To_String (Time_Type_Definition, + Iir_Predefined_Time_To_String_Unit, + Name_To_String, + Name_Unit, + Time_Subtype_Definition); + end if; + + -- Wilcard types. + -- Create the declaration and give them meaningful (and invalid) names + -- so that error messages are clear for the user. + Wildcard_Type_Declaration_Chain := Null_Iir; + Create_Wildcard_Type (Wildcard_Any_Type, "any type"); + Create_Wildcard_Type (Wildcard_Any_Aggregate_Type, "any aggregate type"); + Create_Wildcard_Type (Wildcard_Any_String_Type, "any string type"); + Create_Wildcard_Type (Wildcard_Any_Access_Type, "any access type"); + + Error_Type := Iirs_Utils.Create_Error_Type (Wildcard_Any_Type); + Set_Error_Origin (Error_Type, Null_Iir); + Create_Wildcard_Type (Error_Type, "unknown type"); + end Create_Std_Standard_Package; + + procedure Set_Time_Resolution (Resolution : Character) + is + Unit : Iir; + Prim : Iir; + Rng : Iir; + begin + case Resolution is + when 'f' => + Prim := Time_Fs_Unit; + when 'p' => + Prim := Time_Ps_Unit; + when 'n' => + Prim := Time_Ns_Unit; + when 'u' => + Prim := Time_Us_Unit; + when 'm' => + Prim := Time_Ms_Unit; + when 's' => + Prim := Time_Sec_Unit; + when 'M' => + Prim := Time_Min_Unit; + when 'h' => + Prim := Time_Hr_Unit; + when others => + raise Internal_Error; + end case; + + -- Adjust range of TIME subtype. + Rng := Get_Range_Constraint (Time_Subtype_Definition); + Set_Physical_Unit (Get_Left_Limit (Rng), Prim); + Set_Physical_Unit (Get_Right_Limit (Rng), Prim); + + -- Adjust range of DELAY_LENGTH. + if Vhdl_Std >= Vhdl_93c then + Rng := Get_Range_Constraint (Delay_Length_Subtype_Definition); + Set_Physical_Unit (Get_Left_Limit (Rng), Prim); + Set_Physical_Unit (Get_Right_Limit (Rng), Prim); + end if; + + Unit := Get_Unit_Chain (Time_Type_Definition); + while Unit /= Null_Iir loop + declare + Lit : constant Iir := Get_Physical_Literal (Unit); + Orig : constant Iir := Get_Literal_Origin (Lit); + Lit_Unit : Iir; + begin + if Prim = Null_Iir then + -- Primary already set, just recompute values. + Lit_Unit := Get_Physical_Literal (Get_Physical_Unit (Orig)); + Set_Value (Lit, Get_Value (Orig) * Get_Value (Lit_Unit)); + elsif Unit = Prim then + Set_Value (Lit, 1); + Prim := Null_Iir; + else + Set_Value (Lit, 0); + end if; + end; + Unit := Get_Chain (Unit); + end loop; + end Set_Time_Resolution; + + function Get_Minimal_Time_Resolution return Character is + begin + if Get_Use_Flag (Time_Fs_Unit) then + return 'f'; + end if; + if Get_Use_Flag (Time_Ps_Unit) then + return 'p'; + end if; + if Get_Use_Flag (Time_Ns_Unit) then + return 'n'; + end if; + if Get_Use_Flag (Time_Us_Unit) then + return 'u'; + end if; + if Get_Use_Flag (Time_Ms_Unit) then + return 'm'; + end if; + if Get_Use_Flag (Time_Sec_Unit) then + return 's'; + end if; + if Get_Use_Flag (Time_Min_Unit) then + return 'M'; + end if; + if Get_Use_Flag (Time_Hr_Unit) then + return 'h'; + end if; + return '?'; + end Get_Minimal_Time_Resolution; +end Vhdl.Std_Package; |