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
- Fix C++ lexer input replacement
- Use a merge cache when SLL conflict detection drops predicates
- keep LT(-1) token alive in C++ UnbufferedTokenStream
- restrict class resolution when loading grammar dependency status
- flush dangling high surrogate only at end of input in CodePointBuffer
- fix use-after-free in reduceToSingleOperationPerIndex
- [Cpp] Fix unbounded allocation when serializing a DFA
- [Cpp] ATNConfigSet: hash a config once
- [Cpp] Ask a token whether it is writable
- [Cpp] Performance in PredictionContextMergeCache
- Docs
- Java not yet supported