def _nt_mailbox_list
start_index = index
if node_cache[:mailbox_list].has_key?(index)
cached = node_cache[:mailbox_list][index]
if cached
cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
@index = cached.interval.end
end
return cached
end
i0 = index
i1, s1 = index, []
r2 = _nt_mailbox
s1 << r2
if r2
s3, i3 = [], index
loop do
i4, s4 = index, []
i5 = index
if has_terminal?(",", false, index)
r6 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
terminal_parse_failure(",")
r6 = nil
end
if r6
r5 = r6
else
if has_terminal?(";", false, index)
r7 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
terminal_parse_failure(";")
r7 = nil
end
if r7
r5 = r7
else
@index = i5
r5 = nil
end
end
s4 << r5
if r5
r8 = _nt_mailbox
s4 << r8
end
if s4.last
r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
r4.extend(MailboxList0)
else
@index = i4
r4 = nil
end
if r4
s3 << r4
else
break
end
end
r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
s1 << r3
end
if s1.last
r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
r1.extend(MailboxList1)
else
@index = i1
r1 = nil
end
if r1
r0 = r1
else
r9 = _nt_obs_mbox_list
if r9
r0 = r9
else
@index = i0
r0 = nil
end
end
node_cache[:mailbox_list][start_index] = r0
r0
end