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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT COMPILER COMPONENTS --
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4 -- --
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5 -- I T Y P E S --
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6 -- --
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7 -- B o d y --
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8 -- --
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145
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9 -- Copyright (C) 1992-2019, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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17 -- for more details. You should have received a copy of the GNU General --
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18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
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19 -- http://www.gnu.org/licenses for a complete copy of the license. --
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20 -- --
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21 -- GNAT was originally developed by the GNAT team at New York University. --
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22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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23 -- --
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24 ------------------------------------------------------------------------------
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25
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26 with Atree; use Atree;
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27 with Opt; use Opt;
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28 with Sem; use Sem;
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29 with Sinfo; use Sinfo;
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30 with Stand; use Stand;
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31 with Targparm; use Targparm;
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32 with Uintp; use Uintp;
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33
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34 package body Itypes is
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35
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36 ------------------
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37 -- Create_Itype --
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38 ------------------
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39
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40 function Create_Itype
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41 (Ekind : Entity_Kind;
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42 Related_Nod : Node_Id;
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43 Related_Id : Entity_Id := Empty;
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44 Suffix : Character := ' ';
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45 Suffix_Index : Int := 0;
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46 Scope_Id : Entity_Id := Current_Scope) return Entity_Id
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47 is
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48 Typ : Entity_Id;
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49
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50 begin
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51 -- Should comment setting of Public_Status here ???
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52
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53 if Related_Id = Empty then
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54 Typ := New_Internal_Entity (Ekind, Scope_Id, Sloc (Related_Nod), 'T');
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55 Set_Public_Status (Typ);
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56
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57 else
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58 Typ :=
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59 New_External_Entity
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60 (Ekind, Scope_Id, Sloc (Related_Nod), Related_Id, Suffix,
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61 Suffix_Index, 'T');
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62 end if;
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63
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64 -- Make sure Esize (Typ) was properly initialized, it should be since
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65 -- New_Internal_Entity/New_External_Entity call Init_Size_Align.
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66
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67 pragma Assert (Esize (Typ) = Uint_0);
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68
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69 Set_Etype (Typ, Any_Type);
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70 Set_Is_Itype (Typ);
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71 Set_Associated_Node_For_Itype (Typ, Related_Nod);
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72
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73 if In_Deleted_Code
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74 and then not ASIS_Mode
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75 then
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76 Set_Is_Frozen (Typ);
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77 end if;
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78
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79 if Ekind in Access_Subprogram_Kind then
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80 Set_Can_Use_Internal_Rep (Typ, not Always_Compatible_Rep_On_Target);
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81 end if;
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82
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83 return Typ;
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84 end Create_Itype;
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85
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86 ---------------------------------
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87 -- Create_Null_Excluding_Itype --
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88 ---------------------------------
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89
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90 function Create_Null_Excluding_Itype
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91 (T : Entity_Id;
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92 Related_Nod : Node_Id;
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93 Scope_Id : Entity_Id := Current_Scope) return Entity_Id
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94 is
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95 I_Typ : Entity_Id;
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96
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97 begin
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98 pragma Assert (Is_Access_Type (T));
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99
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100 I_Typ := Create_Itype (Ekind => E_Access_Subtype,
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101 Related_Nod => Related_Nod,
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102 Scope_Id => Scope_Id);
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103
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104 Set_Directly_Designated_Type (I_Typ, Directly_Designated_Type (T));
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105 Set_Etype (I_Typ, Base_Type (T));
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106 Set_Depends_On_Private (I_Typ, Depends_On_Private (T));
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107 Set_Is_Public (I_Typ, Is_Public (T));
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108 Set_From_Limited_With (I_Typ, From_Limited_With (T));
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109 Set_Is_Access_Constant (I_Typ, Is_Access_Constant (T));
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110 Set_Is_Generic_Type (I_Typ, Is_Generic_Type (T));
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111 Set_Is_Volatile (I_Typ, Is_Volatile (T));
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112 Set_Treat_As_Volatile (I_Typ, Treat_As_Volatile (T));
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113 Set_Is_Atomic (I_Typ, Is_Atomic (T));
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114 Set_Is_Ada_2005_Only (I_Typ, Is_Ada_2005_Only (T));
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115 Set_Is_Ada_2012_Only (I_Typ, Is_Ada_2012_Only (T));
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116 Set_Can_Never_Be_Null (I_Typ);
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117
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118 return I_Typ;
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119 end Create_Null_Excluding_Itype;
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120
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121 end Itypes;
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