1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- I T Y P E S -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2008, Free Software Foundation, Inc. -- 10-- -- 11-- GNAT is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 3, or (at your option) any later ver- -- 14-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- 17-- for more details. You should have received a copy of the GNU General -- 18-- Public License distributed with GNAT; see file COPYING3. If not, go to -- 19-- http://www.gnu.org/licenses for a complete copy of the license. -- 20-- -- 21-- GNAT was originally developed by the GNAT team at New York University. -- 22-- Extensive contributions were provided by Ada Core Technologies Inc. -- 23-- -- 24------------------------------------------------------------------------------ 25 26with Atree; use Atree; 27with Opt; use Opt; 28with Sem; use Sem; 29with Sinfo; use Sinfo; 30with Stand; use Stand; 31with Targparm; use Targparm; 32with Uintp; use Uintp; 33 34package body Itypes is 35 36 ------------------ 37 -- Create_Itype -- 38 ------------------ 39 40 function Create_Itype 41 (Ekind : Entity_Kind; 42 Related_Nod : Node_Id; 43 Related_Id : Entity_Id := Empty; 44 Suffix : Character := ' '; 45 Suffix_Index : Nat := 0; 46 Scope_Id : Entity_Id := Current_Scope) return Entity_Id 47 is 48 Typ : Entity_Id; 49 50 begin 51 -- Should comment setting of Public_Status here ??? 52 53 if Related_Id = Empty then 54 Typ := New_Internal_Entity (Ekind, Scope_Id, Sloc (Related_Nod), 'T'); 55 Set_Public_Status (Typ); 56 57 else 58 Typ := 59 New_External_Entity 60 (Ekind, Scope_Id, Sloc (Related_Nod), Related_Id, Suffix, 61 Suffix_Index, 'T'); 62 end if; 63 64 -- Make sure Esize (Typ) was properly initialized, it should be since 65 -- New_Internal_Entity/New_External_Entity call Init_Size_Align. 66 67 pragma Assert (Esize (Typ) = Uint_0); 68 69 Set_Etype (Typ, Any_Type); 70 Set_Is_Itype (Typ); 71 Set_Associated_Node_For_Itype (Typ, Related_Nod); 72 73 if In_Deleted_Code 74 and then not ASIS_Mode 75 then 76 Set_Is_Frozen (Typ); 77 end if; 78 79 if Ekind in Access_Subprogram_Kind then 80 Set_Can_Use_Internal_Rep (Typ, not Always_Compatible_Rep_On_Target); 81 end if; 82 83 return Typ; 84 end Create_Itype; 85 86 --------------------------------- 87 -- Create_Null_Excluding_Itype -- 88 --------------------------------- 89 90 function Create_Null_Excluding_Itype 91 (T : Entity_Id; 92 Related_Nod : Node_Id; 93 Scope_Id : Entity_Id := Current_Scope) return Entity_Id 94 is 95 I_Typ : Entity_Id; 96 97 begin 98 pragma Assert (Is_Access_Type (T)); 99 100 I_Typ := Create_Itype (Ekind => E_Access_Subtype, 101 Related_Nod => Related_Nod, 102 Scope_Id => Scope_Id); 103 104 Set_Directly_Designated_Type (I_Typ, Directly_Designated_Type (T)); 105 Set_Etype (I_Typ, Base_Type (T)); 106 Set_Depends_On_Private (I_Typ, Depends_On_Private (T)); 107 Set_Is_Public (I_Typ, Is_Public (T)); 108 Set_From_With_Type (I_Typ, From_With_Type (T)); 109 Set_Is_Access_Constant (I_Typ, Is_Access_Constant (T)); 110 Set_Is_Generic_Type (I_Typ, Is_Generic_Type (T)); 111 Set_Is_Volatile (I_Typ, Is_Volatile (T)); 112 Set_Treat_As_Volatile (I_Typ, Treat_As_Volatile (T)); 113 Set_Is_Atomic (I_Typ, Is_Atomic (T)); 114 Set_Is_Ada_2005_Only (I_Typ, Is_Ada_2005_Only (T)); 115 Set_Is_Ada_2012_Only (I_Typ, Is_Ada_2012_Only (T)); 116 Set_Can_Never_Be_Null (I_Typ); 117 118 return I_Typ; 119 end Create_Null_Excluding_Itype; 120 121end Itypes; 122