File: sem_vfpt.adb

package info (click to toggle)
gnat 3.10p-3
  • links: PTS
  • area: main
  • in suites: hamm, slink
  • size: 49,492 kB
  • ctags: 33,976
  • sloc: ansic: 347,844; ada: 227,415; sh: 8,759; yacc: 7,861; asm: 5,252; makefile: 3,632; objc: 475; cpp: 400; sed: 261; pascal: 95
file content (150 lines) | stat: -rw-r--r-- 5,768 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                             S E M _ V F P T                              --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--                            $Revision: 1.5 $                              --
--                                                                          --
--             Copyright (C) 1997 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 2,  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 COPYING.  If not, write --
-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
-- MA 02111-1307, USA.                                                      --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
--                                                                          --
------------------------------------------------------------------------------

with Atree;  use Atree;
with CStand; use CStand;
with Einfo;  use Einfo;
with Opt;    use Opt;
with Sinfo;  use Sinfo;
with Stand;  use Stand;
with Ttypef; use Ttypef;
with Uintp;  use Uintp;

pragma Elaborate_All (Uintp);

package body Sem_VFpt is

   F_Digits : constant Uint := UI_From_Int (VAXFF_Digits);
   D_Digits : constant Uint := UI_From_Int (VAXDF_Digits);
   G_Digits : constant Uint := UI_From_Int (VAXGF_Digits);
   --  Digits for Vax formats

   S_Digits : constant Uint := UI_From_Int (IEEES_Digits);
   T_Digits : constant Uint := UI_From_Int (IEEEL_Digits);
   --  Digits for IEEE formats

   -----------------
   -- Set_D_Float --
   -----------------

   procedure Set_D_Float (E : Entity_Id) is
   begin
      Set_Esize        (Base_Type (E), Uint_64);
      Set_Digits_Value (Base_Type (E), D_Digits);
      Set_Vax_Float    (Base_Type (E), True);
      Set_Float_Bounds (Base_Type (E));
      Set_Esize        (E, Uint_64);
      Set_Digits_Value (E, D_Digits);
      Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
   end Set_D_Float;

   -----------------
   -- Set_F_Float --
   -----------------

   procedure Set_F_Float (E : Entity_Id) is
   begin
      Set_Esize        (Base_Type (E), Uint_32);
      Set_Digits_Value (Base_Type (E), F_Digits);
      Set_Vax_Float    (Base_Type (E), True);
      Set_Float_Bounds (Base_Type (E));
      Set_Esize        (E, Uint_32);
      Set_Digits_Value (E, F_Digits);
      Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
   end Set_F_Float;

   -----------------
   -- Set_G_Float --
   -----------------

   procedure Set_G_Float (E : Entity_Id) is
   begin
      Set_Esize        (Base_Type (E), Uint_64);
      Set_Digits_Value (Base_Type (E), G_Digits);
      Set_Vax_Float    (Base_Type (E), True);
      Set_Float_Bounds (Base_Type (E));
      Set_Esize        (E, Uint_64);
      Set_Digits_Value (E, G_Digits);
      Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
   end Set_G_Float;

   -------------------
   -- Set_IEEE_Long --
   -------------------

   procedure Set_IEEE_Long (E : Entity_Id) is
   begin
      Set_Esize        (Base_Type (E), Uint_64);
      Set_Digits_Value (Base_Type (E), T_Digits);
      Set_Vax_Float    (Base_Type (E), False);
      Set_Float_Bounds (Base_Type (E));
      Set_Esize        (E, Uint_64);
      Set_Digits_Value (E, T_Digits);
      Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
   end Set_IEEE_Long;

   --------------------
   -- Set_IEEE_Short --
   --------------------

   procedure Set_IEEE_Short (E : Entity_Id) is
   begin
      Set_Esize        (Base_Type (E), Uint_32);
      Set_Digits_Value (Base_Type (E), S_Digits);
      Set_Vax_Float    (Base_Type (E), False);
      Set_Float_Bounds (Base_Type (E));
      Set_Esize        (E, Uint_32);
      Set_Digits_Value (E, S_Digits);
      Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
   end Set_IEEE_Short;

   ------------------------------
   -- Set_Standard_Fpt_Formats --
   ------------------------------

   procedure Set_Standard_Fpt_Formats is
   begin
      if Opt.Float_Format = 'I' then
         Set_IEEE_Short (Standard_Float);
         Set_IEEE_Long  (Standard_Long_Float);
         Set_IEEE_Long  (Standard_Long_Long_Float);

      else
         if Opt.Float_Format_Long = 'D' then
            Set_D_Float (Standard_Long_Float);
            Set_G_Float (Standard_Long_Long_Float);
         else
            Set_G_Float (Standard_Long_Float);
            Set_G_Float (Standard_Long_Long_Float);
         end if;

         Set_F_Float (Standard_Float);
      end if;
   end Set_Standard_Fpt_Formats;

end Sem_VFpt;