4.10.1 Python ATNDeserializer 坏了？答案

【问题标题】：4.10.1 Python ATNDeserializer broken?4.10.1 Python ATNDeserializer 坏了？
【发布时间】：2022-06-23 19:45:42
【问题描述】：

Java 实现继续正常工作，但 Python 实现在升级到 4.10.1 之前也一直正常工作，现在在调整 ATNDeserializer.py 时在第 89 行抛出 TypeError

这是一个已知的错误吗？

Traceback (most recent call last):
  File "/Users/vickery/Projects/dgw_processor/dgw_parser.py", line 15, in <module>
    from ReqBlockLexer import ReqBlockLexer
  File "/Users/vickery/Projects/dgw_processor/ReqBlockLexer.py", line 421, in <module>
    class ReqBlockLexer(Lexer):
  File "/Users/vickery/Projects/dgw_processor/ReqBlockLexer.py", line 423, in ReqBlockLexer
    atn = ATNDeserializer().deserialize(serializedATN())
  File "/opt/homebrew/lib/python3.10/site-packages/antlr4/atn/ATNDeserializer.py", line 61, in deserialize
    self.reset(data)
  File "/opt/homebrew/lib/python3.10/site-packages/antlr4/atn/ATNDeserializer.py", line 91, in reset
    temp = [ adjust(c) for c in data ]
  File "/opt/homebrew/lib/python3.10/site-packages/antlr4/atn/ATNDeserializer.py", line 91, in <listcomp>
    temp = [ adjust(c) for c in data ]
  File "/opt/homebrew/lib/python3.10/site-packages/antlr4/atn/ATNDeserializer.py", line 89, in adjust
    v = ord(c)
TypeError: ord() expected string of length 1, but int found

【问题讨论】：

标签： python antlr

【解决方案1】：

我未能更新 antlr4-python3-runtime。

【讨论】：

【解决方案2】：

您是否重新生成了词法分析器和解析器？当我使用 v4.9.2 生成我的代码时，我遇到了同样的错误。但是当我将 antlr4-python3-runtime 更新到 v4.10 时，错误得到了修复。

【讨论】：