antlr4
https://github.com/antlr/antlr4
Java
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
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- Issues
- Lex rule fragment used directly in parse causes parse fail. Should be disallowed.
- Dead link in C++ README
- Python runtime incorrectly handles epsilon productions at <EOF>
- Can I merge multiple ParseTrees?
- Request for empty productions to be allowed only explicitly
- JAVA format
- Parser tree visitor does not visit a parser tree node in 4.8
- Python reserved keyword
- Python 3: PEP 561 py.typed
- cpp runtime better not to define symbol in global namespace, like `Ref`
- Docs
- Java not yet supported