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
|
class P
rule
a: A
{
# comment test
# comment test
# string
@sstring = 'squote string'
@dstring = 'dquote string'
# regexp
@regexp = /some regexp with spaces/
# gvar
/regexp/ === 'some regexp matches to this string'
@pre_match = $`
@matched = $&
@post_match = $'
@m = $~
# braces
@array = []
[1,2,3].each {|i|
@array.push i
}
3.times { @array.push 10 }
}
end
---- inner
def parse
@sstring = @dstring = nil
@regexp = nil
@pre_match = @matched = @post_match = @m = nil
@src = [[:A, 'A'], [false, '$']]
do_parse
assert_equal 'squote string', @sstring
assert_equal 'dquote string', @dstring
assert_equal(/some regexp with spaces/, @regexp)
assert_equal 'some ', @pre_match
assert_equal 'regexp', @matched
assert_equal ' matches to this string', @post_match
assert_instance_of MatchData, @m
end
def assert_equal(ok, data)
unless ok == data
raise "expected <#{ok.inspect}> but is <#{data.inspect}>"
end
end
def assert_instance_of(klass, obj)
unless obj.instance_of?(klass)
raise "expected #{klass} but is #{obj.class}"
end
end
def next_token
@src.shift
end
---- footer
P.new.parse
|
