function* iterateBetweenTokens(sourceCode, pre, cur) {
  yield sourceCode.getLastToken(pre)
  yield* sourceCode.getTokensBetween(pre, cur, {
    includeComments: true
  })
  yield sourceCode.getFirstToken(cur)
}
Check whether the between given nodes has empty line.
@param {SourceCode} sourceCode
@param {ASTNode} pre
@param {ASTNode} cur