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
|
(* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT 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 along
with gm2; see the file COPYING. If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)
MODULE getconst ;
CONST
LongReal = 1 ;
Integer = 2 ;
Char = 3 ;
PROCEDURE GetSymName (s: CARDINAL) : CARDINAL ;
BEGIN
RETURN s
END GetSymName ;
PROCEDURE LengthKey (s: CARDINAL) : CARDINAL ;
BEGIN
RETURN s
END LengthKey ;
PROCEDURE GetKey (s: CARDINAL; a: ARRAY OF CHAR) ;
BEGIN
END GetKey ;
(*
GetConstLitType - returns the type of the constant, Sym.
All constants have type NulSym except CHAR constants
ie 00C 012C etc and floating point constants which have type LONGREAL.
*)
PROCEDURE GetConstLitType (Sym: CARDINAL) : CARDINAL ;
CONST
Max = 4096 ;
VAR
a : ARRAY [0..Max] OF CHAR ;
i,
High: CARDINAL ;
BEGIN
GetKey(GetSymName(Sym), a) ;
High := LengthKey(GetSymName(Sym)) ;
IF a[High-1]='C'
THEN
RETURN( Char )
ELSE
i := 0 ;
WHILE i<High DO
IF (a[i]='.') OR (a[i]='+')
THEN
RETURN( LongReal )
ELSE
INC(i)
END
END ;
RETURN( Integer )
END
END GetConstLitType ;
BEGIN
IF GetConstLitType(2)=2
THEN
END
END getconst.
|
