                             start: node.declarations[0].loc.start
                             end: node.declarations[node.declarations.length - 1].loc.end
                         else
-                            start: {line: 0, column: 0}
-                            end: {line: 0, column: 0}
+                            notFound
                 return
 
 module.exports = Instrumenter

        # TODO(Constellation)
        # calculate precise offset or attach in
        # CoffeeScriptRedux compiler
        structured = new StructuredCode(program.raw)
        estraverse.traverse program,
            leave: (node, parent) ->

                else
                    node.loc = switch node.type
                        when 'BlockStatement'
                            if node.body.length
                                start: node.body[0].loc.start
                                end: node.body[node.body.length - 1].loc.end
                            else
                                notFound
                        when 'VariableDeclarator'
                            if node?.init?.loc?
                                start: node.id.loc.start
