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
151
152
153
154
155
156
|
discard """
output: '''
B
B
ABCDC
foo
first0second32third64
my value A1my value Bconc2valueCabc4abc
my value A0my value Bconc1valueCabc3valueC
'''
"""
import macros
block tenum1:
type E = enum a, b, c, x, y, z
var en: E
en = a
# Bug #4066
macro genEnum(): untyped = newNimNode(nnkEnumTy).add(newEmptyNode(), newIdentNode("geItem1"))
type GeneratedEnum = genEnum()
doAssert(type(geItem1) is GeneratedEnum)
block tenum2:
type
TEnumHole = enum
eA = 0,
eB = 4,
eC = 5
var
e: TEnumHole = eB
case e
of eA: echo "A"
of eB: echo "B"
of eC: echo "C"
block tenum3:
type
TEnumHole {.size: sizeof(int).} = enum
eA = 0,
eB = 4,
eC = 5
var
e: TEnumHole = eB
case e
of eA: echo "A"
of eB: echo "B"
of eC: echo "C"
block tbasic:
type
MyEnum = enum
A,B,C,D
# trick the optimizer with an seq:
var x = @[A,B,C,D]
echo x[0],x[1],x[2],x[3],MyEnum(2)
block talias:
# bug #5148
type
A = enum foo, bar
B = A
echo B.foo
block thole:
type Holed = enum
hFirst = (0,"first")
hSecond = (32,"second")
hThird = (64,"third")
var x = @[0,32,64] # This is just to avoid the compiler inlining the value of the enum
echo Holed(x[0]),ord Holed(x[0]),Holed(x[1]),ord Holed(x[1]),Holed(x[2]),ord Holed(x[2])
block toffset:
const
strValB = "my value B"
type
TMyEnum = enum
valueA = (1, "my value A"),
valueB = strValB & "conc",
valueC,
valueD = (4, "abc")
proc getValue(i:int): TMyEnum = TMyEnum(i)
# trick the optimizer with a variable:
var x = getValue(4)
echo getValue(1), ord(valueA), getValue(2), ord(valueB), getValue(3), getValue(4), ord(valueD), x
block tnamedfields:
const strValB = "my value B"
type
TMyEnum = enum
valueA = (0, "my value A"),
valueB = strValB & "conc",
valueC,
valueD = (3, "abc"),
valueE = 4
# trick the optimizer with a variable:
var x = valueD
echo valueA, ord(valueA), valueB, ord(valueB), valueC, valueD, ord(valueD), x
block toptions:
type
# please make sure we have under 32 options (improves code efficiency!)
TOption = enum
optNone, optForceFullMake, optBoehmGC, optRefcGC, optRangeCheck,
optBoundsCheck, optOverflowCheck, optNilCheck, optAssert, optLineDir,
optWarns, optHints, optListCmd, optCompileOnly,
optSafeCode, # only allow safe code
optStyleCheck, optOptimizeSpeed, optOptimizeSize, optGenDynLib,
optGenGuiApp, optStackTrace
TOptionset = set[TOption]
var
gOptions: TOptionset = {optRefcGC, optRangeCheck, optBoundsCheck,
optOverflowCheck, optAssert, optWarns, optHints, optLineDir, optStackTrace}
compilerArgs: int
gExitcode: int8
block nonzero: # bug #6959
type SomeEnum = enum
A = 10
B
C
let slice = SomeEnum.low..SomeEnum.high
|