port_JavaScript

first download the necessary node modules and set the type field in the package.json then copy the two grammar files and example.py to this directory:

    npm install antlr4
    npm install iconv-lite
    npm install webpack
    npm pkg set type=module

Linux:

    cp ../*.g4
    cp ../example.py

Windows:

    copy ..\*.g4
    copy ..\example.py

antlr4 -Dlanguage=JavaScript PythonLexer.g4
antlr4 -Dlanguage=JavaScript PythonParser.g4
node grun4py.js example.py

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