blob: 47bda35d75c730c41c9f4aaffa33b49e497459cf (
plain)
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
|
##### LM #####
lex
ignore /space+/
literal `# `{ `}
token id2 /[a-zA-Z_]+/
end
def item2
[id2]
| [`{ item2* `}]
def start2
[item2*]
context ctx
lex
ignore /space+/
literal `* `( `) `!
token SEMI_NL /';\n'/
token id /[a-zA-Z_0-9]+/
token ddd /'...'/ {
print('translating\n')
input.pull( match_length )
input.push( make_token( typeid<id> "dot" ) )
input.push( make_token( typeid<id> "dot" ) )
input.push( make_token( typeid<id> "dot" ) )
}
end
def item
[id]
| [`( item* `)]
def A [] {
print( 'A\n' )
}
def B [] {
print( 'B\n' )
}
def start
[A item* `!]
| [B item* SEMI_NL]
end # ctx
CTX: ctx = cons ctx []
parse Input: ctx::start( CTX ) [ stdin ]
print( Input )
##### IN #####
a b c ( d1 ... d2 ) e f g ;
##### EXP #####
A
translating
B
translating
a b c ( d1 dotdotdot d2 ) e f g ;
|
