def _nt_single_quoted_string
start_index = index
if node_cache[:single_quoted_string].has_key?(index)
cached = node_cache[:single_quoted_string][index]
if cached
node_cache[:single_quoted_string][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
@index = cached.interval.end
end
return cached
end
i0, s0 = index, []
if (match_len = has_terminal?("'", false, index))
r1 = true
@index += match_len
else
terminal_parse_failure('"\'"')
r1 = nil
end
s0 << r1
if r1
s2, i2 = [], index
loop do
i3, s3 = index, []
i4 = index
if (match_len = has_terminal?("'", false, index))
r5 = true
@index += match_len
else
terminal_parse_failure('"\'"')
r5 = nil
end
if r5
@index = i4
r4 = nil
terminal_parse_failure('"\'"', true)
else
@terminal_failures.pop
@index = i4
r4 = instantiate_node(SyntaxNode,input, index...index)
end
s3 << r4
if r4
i6 = index
if (match_len = has_terminal?("\\\\", false, index))
r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
@index += match_len
else
terminal_parse_failure('"\\\\\\\\"')
r7 = nil
end
if r7
r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
r6 = r7
else
if (match_len = has_terminal?("\\'", false, index))
r8 = instantiate_node(SyntaxNode,input, index...(index + match_len))
@index += match_len
else
terminal_parse_failure('"\\\\\'"')
r8 = nil
end
if r8
r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
r6 = r8
else
if index < input_length
r9 = true
@index += 1
else
terminal_parse_failure("any character")
r9 = nil
end
if r9
r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
r6 = r9
else
@index = i6
r6 = nil
end
end
end
s3 << r6
end
if s3.last
r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
r3.extend(SingleQuotedString0)
else
@index = i3
r3 = nil
end
if r3
s2 << r3
else
break
end
end
r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
s0 << r2
if r2
if (match_len = has_terminal?("'", false, index))
r10 = true
@index += match_len
else
terminal_parse_failure('"\'"')
r10 = nil
end
s0 << r10
end
end
if s0.last
r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
r0.extend(SingleQuotedString1)
else
@index = i0
r0 = nil
end
node_cache[:single_quoted_string][start_index] = r0
r0
end