def _nt_require_statement
start_index = index
if node_cache[:require_statement].has_key?(index)
cached = node_cache[:require_statement][index]
@index = cached.interval.end if cached
return cached
end
i0, s0 = index, []
r2 = _nt_space
if r2
r1 = r2
else
r1 = instantiate_node(SyntaxNode,input, index...index)
end
s0 << r1
if r1
if input.index("require", index) == index
r3 = instantiate_node(SyntaxNode,input, index...(index + 7))
@index += 7
else
terminal_parse_failure("require")
r3 = nil
end
s0 << r3
if r3
s4, i4 = [], index
loop do
if input.index(Regexp.new('[ \\t]'), index) == index
r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
r5 = nil
end
if r5
s4 << r5
else
break
end
end
if s4.empty?
self.index = i4
r4 = nil
else
r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
end
s0 << r4
if r4
s6, i6 = [], index
loop do
if input.index(Regexp.new('[^\\n\\r]'), index) == index
r7 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
r7 = nil
end
if r7
s6 << r7
else
break
end
end
if s6.empty?
self.index = i6
r6 = nil
else
r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
end
s0 << r6
if r6
if input.index(Regexp.new('[\\n\\r]'), index) == index
r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
@index += 1
else
r8 = nil
end
s0 << r8
end
end
end
end
if s0.last
r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
r0.extend(RequireStatement0)
else
self.index = i0
r0 = nil
end
node_cache[:require_statement][start_index] = r0
return r0
end