antlrCompile.py

wheel (GitLab) wheel (GHA via nightly.link)

We have moved to https://codeberg.org/UniGrammar/antlrCompile.py, grab new versions there.

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A python wrapper for ANTLR 4 - a well-known multilanguage LL(*) parser generator. The libs allows you to

• transpile an ANTLR grammar into the corresponding source code.
• visualize AST resulted from parsing source code with a grammar for debug purposes.

Currently it lacks docs, but be brave to read the source code, it is only a wrapper that is not that big.

Our fork is currently needed

You need our fork of ANTL in order for this to work. We have tried to upstream our changes, but the project's BDFL is against "big changes". Then I had refactored the changes into several smaller PRs that don't introduce the changes but make it easier for me to introduce them with subclassing. They are still not merged:

• Refactor CodeGenerator: move target initialization code into a separate method
• Extracted getting the interp file name into a separate method Tool::getInterpFileName
• Move a part of CodeGenerator.write into a separate reusable method writeToWriter to be able to reuse it later
• Convert some members of CodeGenerator from private into protected