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
|
discard """
output: ""
"""
import macros, strutils
# https://github.com/nim-lang/Nim/issues/1512
proc macrobust0(input: string): string =
var output = ""
proc p1(a:string) =
output.add(a)
proc p2(a:string) = p1(a)
proc p3(a:string) = p2(a)
proc p4(a:string) = p3(a)
proc p5(a:string) = p4(a)
proc p6(a:string) = p5(a)
proc p7(a:string) = p6(a)
proc p8(a:string) = p7(a)
proc p9(a:string) = p8(a)
proc p10(a:string) = p9(a)
proc p11(a:string) = p10(a)
proc p12(a:string) = p11(a)
proc p13(a:string) = p12(a)
proc p14(a:string) = p13(a)
proc p15(a:string) = p14(a)
proc p16(a:string) = p15(a)
proc p17(a:string) = p16(a)
proc p18(a:string) = p17(a)
proc p19(a:string) = p18(a)
proc p20(a:string) = p19(a)
for a in input.split():
p20(a)
p19(a)
p18(a)
p17(a)
p16(a)
p15(a)
p14(a)
p13(a)
p12(a)
p11(a)
p10(a)
p9(a)
p8(a)
p7(a)
p6(a)
p5(a)
p4(a)
p3(a)
p2(a)
p1(a)
result = output
macro macrobust(input: static[string]): untyped =
var output = ""
proc p1(a:string) =
output.add(a)
proc p2(a:string) = p1(a)
proc p3(a:string) = p2(a)
proc p4(a:string) = p3(a)
proc p5(a:string) = p4(a)
proc p6(a:string) = p5(a)
proc p7(a:string) = p6(a)
proc p8(a:string) = p7(a)
proc p9(a:string) = p8(a)
proc p10(a:string) = p9(a)
proc p11(a:string) = p10(a)
proc p12(a:string) = p11(a)
proc p13(a:string) = p12(a)
proc p14(a:string) = p13(a)
proc p15(a:string) = p14(a)
proc p16(a:string) = p15(a)
proc p17(a:string) = p16(a)
proc p18(a:string) = p17(a)
proc p19(a:string) = p18(a)
proc p20(a:string) = p19(a)
for a in input.split():
p20(a)
p19(a)
p18(a)
p17(a)
p16(a)
p15(a)
p14(a)
p13(a)
p12(a)
p11(a)
p10(a)
p9(a)
p8(a)
p7(a)
p6(a)
p5(a)
p4(a)
p3(a)
p2(a)
p1(a)
result = newLit(output)
const input = """
fdsasadfsdfa sadfsdafsdaf
dsfsdafdsfadsfa fsdaasdfasdf
fsdafsadfsad asdfasdfasdf
fdsasdfasdfa sadfsadfsadf
sadfasdfsdaf sadfsdafsdaf dsfasdaf
sadfsdafsadf fdsasdafsadf fdsasadfsdaf
sdfasadfsdafdfsa sadfsadfsdaf
sdafsdaffsda sdfasadfsadf
fsdasdafsdfa sdfasdfafsda
sdfasdafsadf sdfasdafsdaf sdfasdafsdaf
"""
let str1 = macrobust(input)
let str2 = macrobust0(input)
doAssert str1 == str2
|
