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
|
# File 'lib/brevity/parsing/note/note.rb', line 21
def _nt_note
start_index = index
if node_cache[:note].has_key?(index)
cached = node_cache[:note][index]
if cached
node_cache[:note][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
@index = cached.interval.end
end
return cached
end
i0 = index
r1 = _nt_polyphonic_note
if r1
r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
r0 = r1
else
r2 = _nt_monophonic_note
if r2
r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
r0 = r2
else
r3 = _nt_rest_note
if r3
r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
r0 = r3
else
@index = i0
r0 = nil
end
end
end
node_cache[:note][start_index] = r0
r0
end
|