1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- S Y S T E M . I M G _ E N U M _ N E W --
9 -- Copyright (C) 2000-2007, Free Software Foundation, Inc. --
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 2, 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 COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 pragma Warnings
(Off
);
38 with Ada
.Unchecked_Conversion
;
40 package body System
.Img_Enum_New
is
42 -------------------------
43 -- Image_Enumeration_8 --
44 -------------------------
46 procedure Image_Enumeration_8
51 Indexes
: System
.Address
)
53 pragma Assert
(S
'First = 1);
55 type Natural_8
is range 0 .. 2 ** 7 - 1;
56 type Index_Table
is array (Natural) of Natural_8
;
57 type Index_Table_Ptr
is access Index_Table
;
59 function To_Index_Table_Ptr
is
60 new Ada
.Unchecked_Conversion
(System
.Address
, Index_Table_Ptr
);
62 IndexesT
: constant Index_Table_Ptr
:= To_Index_Table_Ptr
(Indexes
);
64 Start
: constant Natural := Natural (IndexesT
(Pos
));
65 Next
: constant Natural := Natural (IndexesT
(Pos
+ 1));
68 S
(1 .. Next
- Start
) := Names
(Start
.. Next
- 1);
70 end Image_Enumeration_8
;
72 --------------------------
73 -- Image_Enumeration_16 --
74 --------------------------
76 procedure Image_Enumeration_16
81 Indexes
: System
.Address
)
83 pragma Assert
(S
'First = 1);
85 type Natural_16
is range 0 .. 2 ** 15 - 1;
86 type Index_Table
is array (Natural) of Natural_16
;
87 type Index_Table_Ptr
is access Index_Table
;
89 function To_Index_Table_Ptr
is
90 new Ada
.Unchecked_Conversion
(System
.Address
, Index_Table_Ptr
);
92 IndexesT
: constant Index_Table_Ptr
:= To_Index_Table_Ptr
(Indexes
);
94 Start
: constant Natural := Natural (IndexesT
(Pos
));
95 Next
: constant Natural := Natural (IndexesT
(Pos
+ 1));
98 S
(1 .. Next
- Start
) := Names
(Start
.. Next
- 1);
100 end Image_Enumeration_16
;
102 --------------------------
103 -- Image_Enumeration_32 --
104 --------------------------
106 procedure Image_Enumeration_32
111 Indexes
: System
.Address
)
113 pragma Assert
(S
'First = 1);
115 type Natural_32
is range 0 .. 2 ** 31 - 1;
116 type Index_Table
is array (Natural) of Natural_32
;
117 type Index_Table_Ptr
is access Index_Table
;
119 function To_Index_Table_Ptr
is
120 new Ada
.Unchecked_Conversion
(System
.Address
, Index_Table_Ptr
);
122 IndexesT
: constant Index_Table_Ptr
:= To_Index_Table_Ptr
(Indexes
);
124 Start
: constant Natural := Natural (IndexesT
(Pos
));
125 Next
: constant Natural := Natural (IndexesT
(Pos
+ 1));
128 S
(1 .. Next
- Start
) := Names
(Start
.. Next
- 1);
130 end Image_Enumeration_32
;
132 end System
.Img_Enum_New
;