命令行不能用 - 代表 stdin

[wtdcode]

$ ./miniplc0 -l -
Unknown argument

Usage: miniplc0 [options] input

Positional arguments:
input       	speicify the file to be compiled.

Optional arguments:
-h --help   	show this help message and exit
-t          	perform tokenization for the input file.
-l          	perform syntactic analysis for the input file.
-o --output 	specify the output file.[Required]

看来是 argparse 还有些bug，待修。

[wtdcode]

上游修复感觉要一年....

[wtdcode]

See this.