Terence Parr

icon indicating a website link http://explained.ai icon indicating an email [email protected]

icon location San Francisco icon location Tech lead at Google, ex-Professor of computer/data science, active contributor to open-source projects supporting developers. Creator of ANTLR parser generator.

Results 554 comments of Terence Parr

ATN optimization: removing of redundant epsilon transitions and related basic states

@KvanTTT sounds great. Thanks for your understanding. (BTW, "bulky graphs in VSCode" actually does sound like a good motivation.)

Json trees

> Are there any tree walkers or visitors that can utilize the JSON parse trees? Any Target language that knows how to read json, should be able to pull these...

Json trees

@HSorensen yep, what I meant was somebody will have to deserialize the json into a proper parse tree and then the usual visitor in listener patterns will work great. This...

Json trees

@KvanTTT looking better, right?

Json trees

Added sample output and python parsing of json here: https://github.com/antlr/antlr4/discussions/3772

[Python 3] use build and twine to publish source and wheel

So we need to change all of our setup.py files? ping @ericvergnaud

[Python 3] use build and twine to publish source and wheel

Looks ok to me. thanks for info. @ericvergnaud ?

[Python 3] use build and twine to publish source and wheel

Looks like I can test with pypitest. didn't know that existed!

[Python 3] use build and twine to publish source and wheel

Confirmed. It just worked. https://pypi.org/project/antlr4-python3-runtime/

[C++] Fix building shared library in mingw toolchain

Have we reached a consensus on the way they should be?