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
|
-- tolua: enumerate class
-- Written by Waldemar Celes
-- TeCGraf/PUC-Rio
-- Jul 1998
-- $Id: enumerate.lua,v 1.2 2001/11/26 23:00:23 darkgod Exp $
-- This code is free software; you can redistribute it and/or modify it.
-- The software provided hereunder is on an "as is" basis, and
-- the author has no obligation to provide maintenance, support, updates,
-- enhancements, or modifications.
-- Enumerate class
-- Represents enumeration
-- The following fields are stored:
-- {i} = list of constant names
classEnumerate = {
_base = classFeature,
}
settag(classEnumerate,tolua_tag)
-- register enumeration
function classEnumerate:register ()
local p = self:inclass() or self:inmodule()
local i=1
while self[i] do
if p then
if self:inclass() then
output(' tolua_constant(tolua_S,"'..p..'","'..self.lnames[i]..'",'..p..'::'..self[i]..');')
else
output(' tolua_constant(tolua_S,"'..p..'","'..self.lnames[i]..'",'..self[i]..');')
end
else
output(' tolua_constant(tolua_S,NULL,"'..self.lnames[i]..'",'..self[i]..');')
end
i = i+1
end
end
-- register enumeration
function classEnumerate:unregister ()
if self:inclass()==nil and self:inmodule()==nil then
local i=1
while self[i] do
output(' lua_pushnil(tolua_S); lua_setglobal(tolua_S,"'..self.lnames[i]..'");')
i = i+1
end
end
end
-- Print method
function classEnumerate:print (ident,close)
print(ident.."Enumerate{")
local i=1
while self[i] do
print(ident.." '"..self[i].."'("..self.lnames[i].."),")
i = i+1
end
print(ident.."}"..close)
end
-- Internal constructor
function _Enumerate (t)
t._base = classEnumerate
settag(t,tolua_tag)
append(t)
return t
end
-- Constructor
-- Expects a string representing the enumerate body
function Enumerate (b)
local t = split(strsub(b,2,-2),',') -- eliminate braces
local i = 1
local e = {n=0}
while t[i] do
local tt = split(t[i],'=') -- discard initial value
e.n = e.n + 1
e[e.n] = tt[1]
i = i+1
end
-- set lua names
i = 1
e.lnames = {}
while e[i] do
local t = split(e[i],'@')
e[i] = t[1]
e.lnames[i] = t[2] or t[1]
i = i+1
end
return _Enumerate(e)
end
|
