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+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- I T Y P E S --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 1992-2008, Free Software Foundation, Inc. --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT 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 distributed with GNAT; see file COPYING3. If not, go to --
+-- http://www.gnu.org/licenses for a complete copy of the license. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with Atree; use Atree;
+with Opt; use Opt;
+with Sem; use Sem;
+with Sinfo; use Sinfo;
+with Stand; use Stand;
+with Targparm; use Targparm;
+with Uintp; use Uintp;
+
+package body Itypes is
+
+ ------------------
+ -- Create_Itype --
+ ------------------
+
+ function Create_Itype
+ (Ekind : Entity_Kind;
+ Related_Nod : Node_Id;
+ Related_Id : Entity_Id := Empty;
+ Suffix : Character := ' ';
+ Suffix_Index : Nat := 0;
+ Scope_Id : Entity_Id := Current_Scope) return Entity_Id
+ is
+ Typ : Entity_Id;
+
+ begin
+ -- Should comment setting of Public_Status here ???
+
+ if Related_Id = Empty then
+ Typ := New_Internal_Entity (Ekind, Scope_Id, Sloc (Related_Nod), 'T');
+ Set_Public_Status (Typ);
+
+ else
+ Typ :=
+ New_External_Entity
+ (Ekind, Scope_Id, Sloc (Related_Nod), Related_Id, Suffix,
+ Suffix_Index, 'T');
+ end if;
+
+ -- Make sure Esize (Typ) was properly initialized, it should be since
+ -- New_Internal_Entity/New_External_Entity call Init_Size_Align.
+
+ pragma Assert (Esize (Typ) = Uint_0);
+
+ Set_Etype (Typ, Any_Type);
+ Set_Is_Itype (Typ);
+ Set_Associated_Node_For_Itype (Typ, Related_Nod);
+
+ if In_Deleted_Code
+ and then not ASIS_Mode
+ then
+ Set_Is_Frozen (Typ);
+ end if;
+
+ if Ekind in Access_Subprogram_Kind then
+ Set_Can_Use_Internal_Rep (Typ, not Always_Compatible_Rep_On_Target);
+ end if;
+
+ return Typ;
+ end Create_Itype;
+
+ ---------------------------------
+ -- Create_Null_Excluding_Itype --
+ ---------------------------------
+
+ function Create_Null_Excluding_Itype
+ (T : Entity_Id;
+ Related_Nod : Node_Id;
+ Scope_Id : Entity_Id := Current_Scope) return Entity_Id
+ is
+ I_Typ : Entity_Id;
+
+ begin
+ pragma Assert (Is_Access_Type (T));
+
+ I_Typ := Create_Itype (Ekind => E_Access_Subtype,
+ Related_Nod => Related_Nod,
+ Scope_Id => Scope_Id);
+
+ Set_Directly_Designated_Type (I_Typ, Directly_Designated_Type (T));
+ Set_Etype (I_Typ, Base_Type (T));
+ Set_Depends_On_Private (I_Typ, Depends_On_Private (T));
+ Set_Is_Public (I_Typ, Is_Public (T));
+ Set_From_With_Type (I_Typ, From_With_Type (T));
+ Set_Is_Access_Constant (I_Typ, Is_Access_Constant (T));
+ Set_Is_Generic_Type (I_Typ, Is_Generic_Type (T));
+ Set_Is_Volatile (I_Typ, Is_Volatile (T));
+ Set_Treat_As_Volatile (I_Typ, Treat_As_Volatile (T));
+ Set_Is_Atomic (I_Typ, Is_Atomic (T));
+ Set_Is_Ada_2005_Only (I_Typ, Is_Ada_2005_Only (T));
+ Set_Is_Ada_2012_Only (I_Typ, Is_Ada_2012_Only (T));
+ Set_Can_Never_Be_Null (I_Typ);
+
+ return I_Typ;
+ end Create_Null_Excluding_Itype;
+
+end Itypes;